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authorMihai Moldovan <ionic@ionic.de>2017-08-25 12:44:49 +0200
committerMihai Moldovan <ionic@ionic.de>2017-08-25 12:44:49 +0200
commitae0a2bfdeb9ceacb80aa03375353039d425b14b9 (patch)
treedaec55145477bcec69273e03d5c9ff10c10a4137 /nx-X11/lib/include/xtrans
parentcbe2c0e44f412d07024207f374c0f56684adb088 (diff)
parent3b7e5a42f5abecb903a9d730d163d704520efb07 (diff)
downloadnx-libs-ae0a2bfdeb9ceacb80aa03375353039d425b14b9.tar.gz
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Merge branch 'sunweaver-pr/libnx-x11-autoreconf' into 3.6.x
Attributes GH PR #498: https://github.com/ArcticaProject/nx-libs/pull/498
Diffstat (limited to 'nx-X11/lib/include/xtrans')
-rw-r--r--nx-X11/lib/include/xtrans/Xtrans.c1367
-rw-r--r--nx-X11/lib/include/xtrans/Xtrans.h426
-rw-r--r--nx-X11/lib/include/xtrans/Xtransint.h433
-rw-r--r--nx-X11/lib/include/xtrans/Xtranslcl.c2486
-rw-r--r--nx-X11/lib/include/xtrans/Xtranssock.c3554
-rw-r--r--nx-X11/lib/include/xtrans/Xtransutil.c639
-rw-r--r--nx-X11/lib/include/xtrans/transport.c74
7 files changed, 8979 insertions, 0 deletions
diff --git a/nx-X11/lib/include/xtrans/Xtrans.c b/nx-X11/lib/include/xtrans/Xtrans.c
new file mode 100644
index 000000000..328a970b1
--- /dev/null
+++ b/nx-X11/lib/include/xtrans/Xtrans.c
@@ -0,0 +1,1367 @@
+/*
+
+Copyright 1993, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+ * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name NCR not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. NCR makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <ctype.h>
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_SYSTEMD_DAEMON
+#include <systemd/sd-daemon.h>
+#endif
+
+/*
+ * The transport table contains a definition for every transport (protocol)
+ * family. All operations that can be made on the transport go through this
+ * table.
+ *
+ * Each transport is assigned a unique transport id.
+ *
+ * New transports can be added by adding an entry in this table.
+ * For compatiblity, the transport ids should never be renumbered.
+ * Always add to the end of the list.
+ */
+
+#define TRANS_TLI_INET_INDEX 1
+#define TRANS_TLI_TCP_INDEX 2
+#define TRANS_TLI_TLI_INDEX 3
+#define TRANS_SOCKET_UNIX_INDEX 4
+#define TRANS_SOCKET_LOCAL_INDEX 5
+#define TRANS_SOCKET_INET_INDEX 6
+#define TRANS_SOCKET_TCP_INDEX 7
+#define TRANS_DNET_INDEX 8
+#define TRANS_LOCAL_LOCAL_INDEX 9
+#define TRANS_LOCAL_PTS_INDEX 10
+#define TRANS_LOCAL_NAMED_INDEX 11
+/* 12 used to be ISC, but that's gone. */
+#define TRANS_LOCAL_SCO_INDEX 13
+#define TRANS_SOCKET_INET6_INDEX 14
+#define TRANS_LOCAL_PIPE_INDEX 15
+
+
+static
+Xtransport_table Xtransports[] = {
+#if defined(TCPCONN)
+ { &TRANS(SocketTCPFuncs), TRANS_SOCKET_TCP_INDEX },
+#if defined(IPv6) && defined(AF_INET6)
+ { &TRANS(SocketINET6Funcs), TRANS_SOCKET_INET6_INDEX },
+#endif /* IPv6 */
+ { &TRANS(SocketINETFuncs), TRANS_SOCKET_INET_INDEX },
+#endif /* TCPCONN */
+#if defined(UNIXCONN)
+#if !defined(LOCALCONN)
+ { &TRANS(SocketLocalFuncs), TRANS_SOCKET_LOCAL_INDEX },
+#endif /* !LOCALCONN */
+ { &TRANS(SocketUNIXFuncs), TRANS_SOCKET_UNIX_INDEX },
+#endif /* UNIXCONN */
+#if defined(LOCALCONN)
+ { &TRANS(LocalFuncs), TRANS_LOCAL_LOCAL_INDEX },
+#ifndef __sun
+ { &TRANS(PTSFuncs), TRANS_LOCAL_PTS_INDEX },
+#endif /* __sun */
+#if defined(SVR4) || defined(__SVR4)
+ { &TRANS(NAMEDFuncs), TRANS_LOCAL_NAMED_INDEX },
+#endif
+#ifdef __sun
+ { &TRANS(PIPEFuncs), TRANS_LOCAL_PIPE_INDEX },
+#endif /* __sun */
+#if defined(__SCO__) || defined(__UNIXWARE__)
+ { &TRANS(SCOFuncs), TRANS_LOCAL_SCO_INDEX },
+#endif /* __SCO__ || __UNIXWARE__ */
+#endif /* LOCALCONN */
+};
+
+#define NUMTRANS (sizeof(Xtransports)/sizeof(Xtransport_table))
+
+
+#ifdef WIN32
+#define ioctl ioctlsocket
+#endif
+
+
+
+/*
+ * These are a few utility function used by the public interface functions.
+ */
+
+void
+TRANS(FreeConnInfo) (XtransConnInfo ciptr)
+
+{
+ prmsg (3,"FreeConnInfo(%p)\n", (void *) ciptr);
+
+ if (ciptr->addr)
+ free (ciptr->addr);
+
+ if (ciptr->peeraddr)
+ free (ciptr->peeraddr);
+
+ if (ciptr->port)
+ free (ciptr->port);
+
+ free (ciptr);
+}
+
+
+#define PROTOBUFSIZE 20
+
+static Xtransport *
+TRANS(SelectTransport) (const char *protocol)
+
+{
+ char protobuf[PROTOBUFSIZE];
+ int i;
+
+ prmsg (3,"SelectTransport(%s)\n", protocol);
+
+ /*
+ * Force Protocol to be lowercase as a way of doing
+ * a case insensitive match.
+ */
+
+ strncpy (protobuf, protocol, PROTOBUFSIZE - 1);
+ protobuf[PROTOBUFSIZE-1] = '\0';
+
+ for (i = 0; i < PROTOBUFSIZE && protobuf[i] != '\0'; i++)
+ if (isupper ((unsigned char)protobuf[i]))
+ protobuf[i] = tolower ((unsigned char)protobuf[i]);
+
+ /* Look at all of the configured protocols */
+
+ for (i = 0; i < NUMTRANS; i++)
+ {
+ if (!strcmp (protobuf, Xtransports[i].transport->TransName))
+ return Xtransports[i].transport;
+ }
+
+ return NULL;
+}
+
+#ifndef TEST_t
+static
+#endif /* TEST_t */
+int
+TRANS(ParseAddress) (const char *address,
+ char **protocol, char **host, char **port)
+
+{
+ /*
+ * For the font library, the address is a string formatted
+ * as "protocol/host:port[/catalogue]". Note that the catologue
+ * is optional. At this time, the catologue info is ignored, but
+ * we have to parse it anyways.
+ *
+ * Other than fontlib, the address is a string formatted
+ * as "protocol/host:port".
+ *
+ * If the protocol part is missing, then assume TCP.
+ * If the protocol part and host part are missing, then assume local.
+ * If a "::" is found then assume DNET.
+ */
+
+ char *mybuf, *tmpptr;
+ const char *_protocol;
+ char *_host, *_port;
+ char hostnamebuf[256];
+ int _host_len;
+
+ prmsg (3,"ParseAddress(%s)\n", address);
+
+ /* Copy the string so it can be changed */
+
+ tmpptr = mybuf = strdup (address);
+
+ /* Parse the string to get each component */
+
+ /* Get the protocol part */
+
+ _protocol = mybuf;
+
+
+ if ( ((mybuf = strchr (mybuf,'/')) == NULL) &&
+ ((mybuf = strrchr (tmpptr,':')) == NULL) )
+ {
+ /* address is in a bad format */
+ *protocol = NULL;
+ *host = NULL;
+ *port = NULL;
+ free (tmpptr);
+ return 0;
+ }
+
+ if (*mybuf == ':')
+ {
+ /*
+ * If there is a hostname, then assume tcp, otherwise
+ * it must be local.
+ */
+ if (mybuf == tmpptr)
+ {
+ /* There is neither a protocol or host specified */
+ _protocol = "local";
+ }
+ else
+ {
+ /* There is a hostname specified */
+ _protocol = "tcp";
+ mybuf = tmpptr; /* reset to the begining of the host ptr */
+ }
+ }
+ else
+ {
+ /* *mybuf == '/' */
+
+ *mybuf ++= '\0'; /* put a null at the end of the protocol */
+
+ if (strlen(_protocol) == 0)
+ {
+ /*
+ * If there is a hostname, then assume tcp, otherwise
+ * it must be local.
+ */
+ if (*mybuf != ':')
+ _protocol = "tcp";
+ else
+ _protocol = "local";
+ }
+ }
+
+ /* Get the host part */
+
+ _host = mybuf;
+
+ if ((mybuf = strrchr (mybuf,':')) == NULL)
+ {
+ *protocol = NULL;
+ *host = NULL;
+ *port = NULL;
+ free (tmpptr);
+ return 0;
+ }
+
+ *mybuf ++= '\0';
+
+ _host_len = strlen(_host);
+ if (_host_len == 0)
+ {
+ TRANS(GetHostname) (hostnamebuf, sizeof (hostnamebuf));
+ _host = hostnamebuf;
+ }
+#if defined(IPv6) && defined(AF_INET6)
+ /* hostname in IPv6 [numeric_addr]:0 form? */
+ else if ( (_host_len > 3) &&
+ ((strcmp(_protocol, "tcp") == 0) || (strcmp(_protocol, "inet6") == 0))
+ && (*_host == '[') && (*(_host + _host_len - 1) == ']') ) {
+ struct sockaddr_in6 sin6;
+
+ *(_host + _host_len - 1) = '\0';
+
+ /* Verify address is valid IPv6 numeric form */
+ if (inet_pton(AF_INET6, _host + 1, &sin6) == 1) {
+ /* It is. Use it as such. */
+ _host++;
+ _protocol = "inet6";
+ } else {
+ /* It's not, restore it just in case some other code can use it. */
+ *(_host + _host_len - 1) = ']';
+ }
+ }
+#endif
+
+
+ /* Get the port */
+
+ _port = mybuf;
+
+#if defined(FONT_t) || defined(FS_t)
+ /*
+ * Is there an optional catalogue list?
+ */
+
+ if ((mybuf = strchr (mybuf,'/')) != NULL)
+ *mybuf ++= '\0';
+
+ /*
+ * The rest, if any, is the (currently unused) catalogue list.
+ *
+ * _catalogue = mybuf;
+ */
+#endif
+
+#ifdef HAVE_LAUNCHD
+ /* launchd sockets will look like 'local//tmp/launch-XgkNns/:0' */
+ if(address != NULL && strlen(address)>8 && (!strncmp(address,"local//",7))) {
+ _protocol="local";
+ _host="";
+ _port=address+6;
+ }
+#endif
+
+ /*
+ * Now that we have all of the components, allocate new
+ * string space for them.
+ */
+
+ if ((*protocol = strdup (_protocol)) == NULL)
+ {
+ /* Malloc failed */
+ *port = NULL;
+ *host = NULL;
+ *protocol = NULL;
+ free (tmpptr);
+ return 0;
+ }
+
+ if ((*host = strdup (_host)) == NULL)
+ {
+ /* Malloc failed */
+ *port = NULL;
+ *host = NULL;
+ free (*protocol);
+ *protocol = NULL;
+ free (tmpptr);
+ return 0;
+ }
+
+ if ((*port = strdup (_port)) == NULL)
+ {
+ /* Malloc failed */
+ *port = NULL;
+ free (*host);
+ *host = NULL;
+ free (*protocol);
+ *protocol = NULL;
+ free (tmpptr);
+ return 0;
+ }
+
+ free (tmpptr);
+
+ return 1;
+}
+
+
+/*
+ * TRANS(Open) does all of the real work opening a connection. The only
+ * funny part about this is the type parameter which is used to decide which
+ * type of open to perform.
+ */
+
+static XtransConnInfo
+TRANS(Open) (int type, const char *address)
+
+{
+ char *protocol = NULL, *host = NULL, *port = NULL;
+ XtransConnInfo ciptr = NULL;
+ Xtransport *thistrans;
+
+ prmsg (2,"Open(%d,%s)\n", type, address);
+
+#if defined(WIN32) && defined(TCPCONN)
+ if (TRANS(WSAStartup)())
+ {
+ prmsg (1,"Open: WSAStartup failed\n");
+ return NULL;
+ }
+#endif
+
+ /* Parse the Address */
+
+ if (TRANS(ParseAddress) (address, &protocol, &host, &port) == 0)
+ {
+ prmsg (1,"Open: Unable to Parse address %s\n", address);
+ return NULL;
+ }
+
+ /* Determine the transport type */
+
+ if ((thistrans = TRANS(SelectTransport) (protocol)) == NULL)
+ {
+ prmsg (1,"Open: Unable to find transport for %s\n",
+ protocol);
+
+ free (protocol);
+ free (host);
+ free (port);
+ return NULL;
+ }
+
+ /* Open the transport */
+
+ switch (type)
+ {
+ case XTRANS_OPEN_COTS_CLIENT:
+#ifdef TRANS_CLIENT
+ ciptr = thistrans->OpenCOTSClient(thistrans, protocol, host, port);
+#endif /* TRANS_CLIENT */
+ break;
+ case XTRANS_OPEN_COTS_SERVER:
+#ifdef TRANS_SERVER
+ ciptr = thistrans->OpenCOTSServer(thistrans, protocol, host, port);
+#endif /* TRANS_SERVER */
+ break;
+ default:
+ prmsg (1,"Open: Unknown Open type %d\n", type);
+ }
+
+ if (ciptr == NULL)
+ {
+ if (!(thistrans->flags & TRANS_DISABLED))
+ {
+ prmsg (1,"Open: transport open failed for %s/%s:%s\n",
+ protocol, host, port);
+ }
+ free (protocol);
+ free (host);
+ free (port);
+ return NULL;
+ }
+
+ ciptr->transptr = thistrans;
+ ciptr->port = port; /* We need this for TRANS(Reopen) */
+
+ free (protocol);
+ free (host);
+
+ return ciptr;
+}
+
+
+#ifdef TRANS_REOPEN
+
+/*
+ * We might want to create an XtransConnInfo object based on a previously
+ * opened connection. For example, the font server may clone itself and
+ * pass file descriptors to the parent.
+ */
+
+static XtransConnInfo
+TRANS(Reopen) (int type, int trans_id, int fd, const char *port)
+
+{
+ XtransConnInfo ciptr = NULL;
+ Xtransport *thistrans = NULL;
+ char *save_port;
+ int i;
+
+ prmsg (2,"Reopen(%d,%d,%s)\n", trans_id, fd, port);
+
+ /* Determine the transport type */
+
+ for (i = 0; i < NUMTRANS; i++)
+ if (Xtransports[i].transport_id == trans_id)
+ {
+ thistrans = Xtransports[i].transport;
+ break;
+ }
+
+ if (thistrans == NULL)
+ {
+ prmsg (1,"Reopen: Unable to find transport id %d\n",
+ trans_id);
+
+ return NULL;
+ }
+
+ if ((save_port = strdup (port)) == NULL)
+ {
+ prmsg (1,"Reopen: Unable to malloc port string\n");
+
+ return NULL;
+ }
+
+ /* Get a new XtransConnInfo object */
+
+ switch (type)
+ {
+ case XTRANS_OPEN_COTS_SERVER:
+ ciptr = thistrans->ReopenCOTSServer(thistrans, fd, port);
+ break;
+ default:
+ prmsg (1,"Reopen: Bad Open type %d\n", type);
+ }
+
+ if (ciptr == NULL)
+ {
+ prmsg (1,"Reopen: transport open failed\n");
+ free (save_port);
+ return NULL;
+ }
+
+ ciptr->transptr = thistrans;
+ ciptr->port = save_port;
+
+ return ciptr;
+}
+
+#endif /* TRANS_REOPEN */
+
+
+
+/*
+ * These are the public interfaces to this Transport interface.
+ * These are the only functions that should have knowledge of the transport
+ * table.
+ */
+
+#ifdef TRANS_CLIENT
+
+XtransConnInfo
+TRANS(OpenCOTSClient) (const char *address)
+
+{
+ prmsg (2,"OpenCOTSClient(%s)\n", address);
+ return TRANS(Open) (XTRANS_OPEN_COTS_CLIENT, address);
+}
+
+#endif /* TRANS_CLIENT */
+
+
+#ifdef TRANS_SERVER
+
+XtransConnInfo
+TRANS(OpenCOTSServer) (const char *address)
+
+{
+ prmsg (2,"OpenCOTSServer(%s)\n", address);
+ return TRANS(Open) (XTRANS_OPEN_COTS_SERVER, address);
+}
+
+#endif /* TRANS_SERVER */
+
+
+#ifdef TRANS_REOPEN
+
+XtransConnInfo
+TRANS(ReopenCOTSServer) (int trans_id, int fd, const char *port)
+
+{
+ prmsg (2,"ReopenCOTSServer(%d, %d, %s)\n", trans_id, fd, port);
+ return TRANS(Reopen) (XTRANS_OPEN_COTS_SERVER, trans_id, fd, port);
+}
+
+int
+TRANS(GetReopenInfo) (XtransConnInfo ciptr,
+ int *trans_id, int *fd, char **port)
+
+{
+ int i;
+
+ for (i = 0; i < NUMTRANS; i++)
+ if (Xtransports[i].transport == ciptr->transptr)
+ {
+ *trans_id = Xtransports[i].transport_id;
+ *fd = ciptr->fd;
+
+ if ((*port = strdup (ciptr->port)) == NULL)
+ return 0;
+ else
+ return 1;
+ }
+
+ return 0;
+}
+
+#endif /* TRANS_REOPEN */
+
+
+int
+TRANS(SetOption) (XtransConnInfo ciptr, int option, int arg)
+
+{
+ int fd = ciptr->fd;
+ int ret = 0;
+
+ prmsg (2,"SetOption(%d,%d,%d)\n", fd, option, arg);
+
+ /*
+ * For now, all transport type use the same stuff for setting options.
+ * As long as this is true, we can put the common code here. Once a more
+ * complicated transport such as shared memory or an OSI implementation
+ * that uses the session and application libraries is implemented, this
+ * code may have to move to a transport dependent function.
+ *
+ * ret = ciptr->transptr->SetOption (ciptr, option, arg);
+ */
+
+ switch (option)
+ {
+ case TRANS_NONBLOCKING:
+ switch (arg)
+ {
+ case 0:
+ /* Set to blocking mode */
+ break;
+ case 1: /* Set to non-blocking mode */
+
+#if defined(O_NONBLOCK) && !defined(SCO325)
+ ret = fcntl (fd, F_GETFL, 0);
+ if (ret != -1)
+ ret = fcntl (fd, F_SETFL, ret | O_NONBLOCK);
+#else
+#ifdef FIOSNBIO
+ {
+ int arg;
+ arg = 1;
+ ret = ioctl (fd, FIOSNBIO, &arg);
+ }
+#else
+#if defined(WIN32)
+ {
+#ifdef WIN32
+ u_long arg;
+#else
+ int arg;
+#endif
+ arg = 1;
+/* IBM TCP/IP understands this option too well: it causes TRANS(Read) to fail
+ * eventually with EWOULDBLOCK */
+ ret = ioctl (fd, FIONBIO, &arg);
+ }
+#else
+ ret = fcntl (fd, F_GETFL, 0);
+#ifdef FNDELAY
+ ret = fcntl (fd, F_SETFL, ret | FNDELAY);
+#else
+ ret = fcntl (fd, F_SETFL, ret | O_NDELAY);
+#endif
+#endif /* WIN32 */
+#endif /* FIOSNBIO */
+#endif /* O_NONBLOCK */
+ break;
+ default:
+ /* Unknown option */
+ break;
+ }
+ break;
+ case TRANS_CLOSEONEXEC:
+#ifdef F_SETFD
+#ifdef FD_CLOEXEC
+ ret = fcntl (fd, F_SETFD, FD_CLOEXEC);
+#else
+ ret = fcntl (fd, F_SETFD, 1);
+#endif /* FD_CLOEXEC */
+#endif /* F_SETFD */
+ break;
+ }
+
+ return ret;
+}
+
+#ifdef TRANS_SERVER
+
+int
+TRANS(CreateListener) (XtransConnInfo ciptr, const char *port, unsigned int flags)
+
+{
+ return ciptr->transptr->CreateListener (ciptr, port, flags);
+}
+
+int
+TRANS(Received) (const char * protocol)
+
+{
+ Xtransport *trans;
+ int i = 0, ret = 0;
+
+ prmsg (5, "Received(%s)\n", protocol);
+
+ if ((trans = TRANS(SelectTransport)(protocol)) == NULL)
+ {
+ prmsg (1,"Received: unable to find transport: %s\n",
+ protocol);
+
+ return -1;
+ }
+ if (trans->flags & TRANS_ALIAS) {
+ if (trans->nolisten)
+ while (trans->nolisten[i]) {
+ ret |= TRANS(Received)(trans->nolisten[i]);
+ i++;
+ }
+ }
+
+ trans->flags |= TRANS_RECEIVED;
+ return ret;
+}
+
+int
+TRANS(NoListen) (const char * protocol)
+
+{
+ Xtransport *trans;
+ int i = 0, ret = 0;
+
+ if ((trans = TRANS(SelectTransport)(protocol)) == NULL)
+ {
+ prmsg (1,"TransNoListen: unable to find transport: %s\n",
+ protocol);
+
+ return -1;
+ }
+ if (trans->flags & TRANS_ALIAS) {
+ if (trans->nolisten)
+ while (trans->nolisten[i]) {
+ ret |= TRANS(NoListen)(trans->nolisten[i]);
+ i++;
+ }
+ }
+
+ trans->flags |= TRANS_NOLISTEN;
+ return ret;
+}
+
+int
+TRANS(Listen) (const char * protocol)
+{
+ Xtransport *trans;
+ int i = 0, ret = 0;
+
+ if ((trans = TRANS(SelectTransport)(protocol)) == NULL)
+ {
+ prmsg (1,"TransListen: unable to find transport: %s\n",
+ protocol);
+
+ return -1;
+ }
+ if (trans->flags & TRANS_ALIAS) {
+ if (trans->nolisten)
+ while (trans->nolisten[i]) {
+ ret |= TRANS(Listen)(trans->nolisten[i]);
+ i++;
+ }
+ }
+
+ trans->flags &= ~TRANS_NOLISTEN;
+ return ret;
+}
+
+int
+TRANS(IsListening) (const char * protocol)
+{
+ Xtransport *trans;
+
+ if ((trans = TRANS(SelectTransport)(protocol)) == NULL)
+ {
+ prmsg (1,"TransIsListening: unable to find transport: %s\n",
+ protocol);
+
+ return 0;
+ }
+
+ return !(trans->flags & TRANS_NOLISTEN);
+}
+
+int
+TRANS(ResetListener) (XtransConnInfo ciptr)
+
+{
+ if (ciptr->transptr->ResetListener)
+ return ciptr->transptr->ResetListener (ciptr);
+ else
+ return TRANS_RESET_NOOP;
+}
+
+
+XtransConnInfo
+TRANS(Accept) (XtransConnInfo ciptr, int *status)
+
+{
+ XtransConnInfo newciptr;
+
+ prmsg (2,"Accept(%d)\n", ciptr->fd);
+
+ newciptr = ciptr->transptr->Accept (ciptr, status);
+
+ if (newciptr)
+ newciptr->transptr = ciptr->transptr;
+
+ return newciptr;
+}
+
+#endif /* TRANS_SERVER */
+
+
+#ifdef TRANS_CLIENT
+
+int
+TRANS(Connect) (XtransConnInfo ciptr, const char *address)
+
+{
+ char *protocol;
+ char *host;
+ char *port;
+ int ret;
+
+ prmsg (2,"Connect(%d,%s)\n", ciptr->fd, address);
+
+ if (TRANS(ParseAddress) (address, &protocol, &host, &port) == 0)
+ {
+ prmsg (1,"Connect: Unable to Parse address %s\n",
+ address);
+ return -1;
+ }
+
+#ifdef HAVE_LAUNCHD
+ if (!host) host=strdup("");
+#endif
+
+ if (!port || !*port)
+ {
+ prmsg (1,"Connect: Missing port specification in %s\n",
+ address);
+ if (protocol) free (protocol);
+ if (host) free (host);
+ return -1;
+ }
+
+ ret = ciptr->transptr->Connect (ciptr, host, port);
+
+ if (protocol) free (protocol);
+ if (host) free (host);
+ if (port) free (port);
+
+ return ret;
+}
+
+#endif /* TRANS_CLIENT */
+
+
+int
+TRANS(BytesReadable) (XtransConnInfo ciptr, BytesReadable_t *pend)
+
+{
+ return ciptr->transptr->BytesReadable (ciptr, pend);
+}
+
+int
+TRANS(Read) (XtransConnInfo ciptr, char *buf, int size)
+
+{
+ return ciptr->transptr->Read (ciptr, buf, size);
+}
+
+int
+TRANS(Write) (XtransConnInfo ciptr, char *buf, int size)
+
+{
+ return ciptr->transptr->Write (ciptr, buf, size);
+}
+
+int
+TRANS(Readv) (XtransConnInfo ciptr, struct iovec *buf, int size)
+
+{
+ return ciptr->transptr->Readv (ciptr, buf, size);
+}
+
+int
+TRANS(Writev) (XtransConnInfo ciptr, struct iovec *buf, int size)
+
+{
+ return ciptr->transptr->Writev (ciptr, buf, size);
+}
+
+#if XTRANS_SEND_FDS
+int
+TRANS(SendFd) (XtransConnInfo ciptr, int fd, int do_close)
+{
+ return ciptr->transptr->SendFd(ciptr, fd, do_close);
+}
+
+int
+TRANS(RecvFd) (XtransConnInfo ciptr)
+{
+ return ciptr->transptr->RecvFd(ciptr);
+}
+#endif
+
+int
+TRANS(Disconnect) (XtransConnInfo ciptr)
+
+{
+ return ciptr->transptr->Disconnect (ciptr);
+}
+
+int
+TRANS(Close) (XtransConnInfo ciptr)
+
+{
+ int ret;
+
+ prmsg (2,"Close(%d)\n", ciptr->fd);
+
+ ret = ciptr->transptr->Close (ciptr);
+
+ TRANS(FreeConnInfo) (ciptr);
+
+ return ret;
+}
+
+int
+TRANS(CloseForCloning) (XtransConnInfo ciptr)
+
+{
+ int ret;
+
+ prmsg (2,"CloseForCloning(%d)\n", ciptr->fd);
+
+ ret = ciptr->transptr->CloseForCloning (ciptr);
+
+ TRANS(FreeConnInfo) (ciptr);
+
+ return ret;
+}
+
+int
+TRANS(IsLocal) (XtransConnInfo ciptr)
+
+{
+ return (ciptr->family == AF_UNIX);
+}
+
+#ifdef NX_TRANS_SOCKET
+/* this is needed for pre-xcb X11 as we have in NX */
+int
+TRANS(GetMyAddr) (XtransConnInfo ciptr, int *familyp, int *addrlenp,
+ Xtransaddr **addrp)
+
+{
+ prmsg (2,"GetMyAddr(%d)\n", ciptr->fd);
+
+ *familyp = ciptr->family;
+ *addrlenp = ciptr->addrlen;
+
+ if ((*addrp = (Xtransaddr *) malloc (ciptr->addrlen)) == NULL)
+ {
+ prmsg (1,"GetMyAddr: malloc failed\n");
+ return -1;
+ }
+ memcpy(*addrp, ciptr->addr, ciptr->addrlen);
+
+ return 0;
+}
+#endif
+
+int
+TRANS(GetPeerAddr) (XtransConnInfo ciptr, int *familyp, int *addrlenp,
+ Xtransaddr **addrp)
+
+{
+ prmsg (2,"GetPeerAddr(%d)\n", ciptr->fd);
+
+ *familyp = ciptr->family;
+ *addrlenp = ciptr->peeraddrlen;
+
+ if ((*addrp = malloc (ciptr->peeraddrlen)) == NULL)
+ {
+ prmsg (1,"GetPeerAddr: malloc failed\n");
+ return -1;
+ }
+ memcpy(*addrp, ciptr->peeraddr, ciptr->peeraddrlen);
+
+ return 0;
+}
+
+
+int
+TRANS(GetConnectionNumber) (XtransConnInfo ciptr)
+
+{
+ return ciptr->fd;
+}
+
+
+/*
+ * These functions are really utility functions, but they require knowledge
+ * of the internal data structures, so they have to be part of the Transport
+ * Independant API.
+ */
+
+#ifdef TRANS_SERVER
+
+static int
+complete_network_count (void)
+
+{
+ int count = 0;
+ int found_local = 0;
+ int i;
+
+ /*
+ * For a complete network, we only need one LOCALCONN transport to work
+ */
+
+ for (i = 0; i < NUMTRANS; i++)
+ {
+ if (Xtransports[i].transport->flags & TRANS_ALIAS
+ || Xtransports[i].transport->flags & TRANS_NOLISTEN)
+ continue;
+
+ if (Xtransports[i].transport->flags & TRANS_LOCAL)
+ found_local = 1;
+ else
+ count++;
+ }
+
+ return (count + found_local);
+}
+
+
+static int
+receive_listening_fds(const char* port, XtransConnInfo* temp_ciptrs,
+ int* count_ret)
+
+{
+#ifdef HAVE_SYSTEMD_DAEMON
+ XtransConnInfo ciptr;
+ int i, systemd_listen_fds;
+
+ systemd_listen_fds = sd_listen_fds(1);
+ if (systemd_listen_fds < 0)
+ {
+ prmsg (1, "receive_listening_fds: sd_listen_fds error: %s\n",
+ strerror(-systemd_listen_fds));
+ return -1;
+ }
+
+ for (i = 0; i < systemd_listen_fds && *count_ret < NUMTRANS; i++)
+ {
+ struct sockaddr_storage a;
+ int ti;
+ const char* tn;
+ socklen_t al;
+
+ al = sizeof(a);
+ if (getsockname(i + SD_LISTEN_FDS_START, (struct sockaddr*)&a, &al) < 0) {
+ prmsg (1, "receive_listening_fds: getsockname error: %s\n",
+ strerror(errno));
+ return -1;
+ }
+
+ switch (a.ss_family)
+ {
+ case AF_UNIX:
+ ti = TRANS_SOCKET_UNIX_INDEX;
+ if (*((struct sockaddr_un*)&a)->sun_path == '\0' &&
+ al > sizeof(sa_family_t))
+ tn = "local";
+ else
+ tn = "unix";
+ break;
+ case AF_INET:
+ ti = TRANS_SOCKET_INET_INDEX;
+ tn = "inet";
+ break;
+#if defined(IPv6) && defined(AF_INET6)
+ case AF_INET6:
+ ti = TRANS_SOCKET_INET6_INDEX;
+ tn = "inet6";
+ break;
+#endif /* IPv6 */
+ default:
+ prmsg (1, "receive_listening_fds:"
+ "Got unknown socket address family\n");
+ return -1;
+ }
+
+ ciptr = TRANS(ReopenCOTSServer)(ti, i + SD_LISTEN_FDS_START, port);
+ if (!ciptr)
+ {
+ prmsg (1, "receive_listening_fds:"
+ "Got NULL while trying to reopen socket received from systemd.\n");
+ return -1;
+ }
+
+ prmsg (5, "receive_listening_fds: received listener for %s, %d\n",
+ tn, ciptr->fd);
+ temp_ciptrs[(*count_ret)++] = ciptr;
+ TRANS(Received)(tn);
+ }
+#endif /* HAVE_SYSTEMD_DAEMON */
+ return 0;
+}
+
+#ifdef XQUARTZ_EXPORTS_LAUNCHD_FD
+extern int xquartz_launchd_fd;
+#endif
+
+int
+TRANS(MakeAllCOTSServerListeners) (const char *port, int *partial,
+ int *count_ret, XtransConnInfo **ciptrs_ret)
+
+{
+ char buffer[256]; /* ??? What size ?? */
+ XtransConnInfo ciptr, temp_ciptrs[NUMTRANS];
+ int status, i, j;
+
+#if defined(IPv6) && defined(AF_INET6)
+ int ipv6_succ = 0;
+#endif
+ prmsg (2,"MakeAllCOTSServerListeners(%s,%p)\n",
+ port ? port : "NULL", (void *) ciptrs_ret);
+
+ *count_ret = 0;
+
+#ifdef XQUARTZ_EXPORTS_LAUNCHD_FD
+ fprintf(stderr, "Launchd socket fd: %d\n", xquartz_launchd_fd);
+ if(xquartz_launchd_fd != -1) {
+ if((ciptr = TRANS(ReopenCOTSServer(TRANS_SOCKET_LOCAL_INDEX,
+ xquartz_launchd_fd, getenv("DISPLAY"))))==NULL)
+ fprintf(stderr,"Got NULL while trying to Reopen launchd port\n");
+ else
+ temp_ciptrs[(*count_ret)++] = ciptr;
+ }
+#endif
+
+ if (receive_listening_fds(port, temp_ciptrs, count_ret) < 0)
+ return -1;
+
+ for (i = 0; i < NUMTRANS; i++)
+ {
+ Xtransport *trans = Xtransports[i].transport;
+ unsigned int flags = 0;
+
+ if (trans->flags&TRANS_ALIAS || trans->flags&TRANS_NOLISTEN ||
+ trans->flags&TRANS_RECEIVED)
+ continue;
+
+ snprintf(buffer, sizeof(buffer), "%s/:%s",
+ trans->TransName, port ? port : "");
+
+ prmsg (5,"MakeAllCOTSServerListeners: opening %s\n",
+ buffer);
+
+ if ((ciptr = TRANS(OpenCOTSServer(buffer))) == NULL)
+ {
+ if (trans->flags & TRANS_DISABLED)
+ continue;
+
+ prmsg (1,
+ "MakeAllCOTSServerListeners: failed to open listener for %s\n",
+ trans->TransName);
+ continue;
+ }
+#if defined(IPv6) && defined(AF_INET6)
+ if ((Xtransports[i].transport_id == TRANS_SOCKET_INET_INDEX
+ && ipv6_succ))
+ flags |= ADDR_IN_USE_ALLOWED;
+#endif
+
+ if ((status = TRANS(CreateListener (ciptr, port, flags))) < 0)
+ {
+ if (status == TRANS_ADDR_IN_USE)
+ {
+ /*
+ * We failed to bind to the specified address because the
+ * address is in use. It must be that a server is already
+ * running at this address, and this function should fail.
+ */
+
+ prmsg (1,
+ "MakeAllCOTSServerListeners: server already running\n");
+
+ for (j = 0; j < *count_ret; j++)
+ TRANS(Close) (temp_ciptrs[j]);
+
+ *count_ret = 0;
+ *ciptrs_ret = NULL;
+ *partial = 0;
+ return -1;
+ }
+ else
+ {
+ prmsg (1,
+ "MakeAllCOTSServerListeners: failed to create listener for %s\n",
+ trans->TransName);
+
+ continue;
+ }
+ }
+
+#if defined(IPv6) && defined(AF_INET6)
+ if (Xtransports[i].transport_id == TRANS_SOCKET_INET6_INDEX)
+ ipv6_succ = 1;
+#endif
+
+ prmsg (5,
+ "MakeAllCOTSServerListeners: opened listener for %s, %d\n",
+ trans->TransName, ciptr->fd);
+
+ temp_ciptrs[*count_ret] = ciptr;
+ (*count_ret)++;
+ }
+
+ *partial = (*count_ret < complete_network_count());
+
+ prmsg (5,
+ "MakeAllCOTSServerListeners: partial=%d, actual=%d, complete=%d \n",
+ *partial, *count_ret, complete_network_count());
+
+ if (*count_ret > 0)
+ {
+ if ((*ciptrs_ret = malloc (
+ *count_ret * sizeof (XtransConnInfo))) == NULL)
+ {
+ return -1;
+ }
+
+ for (i = 0; i < *count_ret; i++)
+ {
+ (*ciptrs_ret)[i] = temp_ciptrs[i];
+ }
+ }
+ else
+ *ciptrs_ret = NULL;
+
+ return 0;
+}
+
+#endif /* TRANS_SERVER */
+
+
+
+/*
+ * These routines are not part of the X Transport Interface, but they
+ * may be used by it.
+ */
+
+
+#ifdef WIN32
+
+/*
+ * emulate readv
+ */
+
+static int TRANS(ReadV) (XtransConnInfo ciptr, struct iovec *iov, int iovcnt)
+
+{
+ int i, len, total;
+ char *base;
+
+ ESET(0);
+ for (i = 0, total = 0; i < iovcnt; i++, iov++) {
+ len = iov->iov_len;
+ base = iov->iov_base;
+ while (len > 0) {
+ register int nbytes;
+ nbytes = TRANS(Read) (ciptr, base, len);
+ if (nbytes < 0 && total == 0) return -1;
+ if (nbytes <= 0) return total;
+ ESET(0);
+ len -= nbytes;
+ total += nbytes;
+ base += nbytes;
+ }
+ }
+ return total;
+}
+
+
+/*
+ * emulate writev
+ */
+
+static int TRANS(WriteV) (XtransConnInfo ciptr, struct iovec *iov, int iovcnt)
+
+{
+ int i, len, total;
+ char *base;
+
+ ESET(0);
+ for (i = 0, total = 0; i < iovcnt; i++, iov++) {
+ len = iov->iov_len;
+ base = iov->iov_base;
+ while (len > 0) {
+ register int nbytes;
+ nbytes = TRANS(Write) (ciptr, base, len);
+ if (nbytes < 0 && total == 0) return -1;
+ if (nbytes <= 0) return total;
+ ESET(0);
+ len -= nbytes;
+ total += nbytes;
+ base += nbytes;
+ }
+ }
+ return total;
+}
+
+#endif /* WIN32 */
+
+
+#if defined(_POSIX_SOURCE) || defined(USG) || defined(SVR4) || defined(__SVR4) || defined(__SCO__)
+#ifndef NEED_UTSNAME
+#define NEED_UTSNAME
+#endif
+#include <sys/utsname.h>
+#endif
+
+/*
+ * TRANS(GetHostname) - similar to gethostname but allows special processing.
+ */
+
+int TRANS(GetHostname) (char *buf, int maxlen)
+
+{
+ int len;
+
+#ifdef NEED_UTSNAME
+ struct utsname name;
+
+ uname (&name);
+ len = strlen (name.nodename);
+ if (len >= maxlen) len = maxlen - 1;
+ strncpy (buf, name.nodename, len);
+ buf[len] = '\0';
+#else
+ buf[0] = '\0';
+ (void) gethostname (buf, maxlen);
+ buf [maxlen - 1] = '\0';
+ len = strlen(buf);
+#endif /* NEED_UTSNAME */
+ return len;
+}
diff --git a/nx-X11/lib/include/xtrans/Xtrans.h b/nx-X11/lib/include/xtrans/Xtrans.h
new file mode 100644
index 000000000..54b2a1425
--- /dev/null
+++ b/nx-X11/lib/include/xtrans/Xtrans.h
@@ -0,0 +1,426 @@
+/*
+
+Copyright 1993, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+ * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name NCR not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. NCR makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _XTRANS_H_
+#define _XTRANS_H_
+
+#include <nx-X11/Xfuncproto.h>
+#include <nx-X11/Xos.h>
+#include <nx-X11/Xmd.h>
+
+#ifndef WIN32
+#include <sys/socket.h>
+#endif
+
+#ifdef __clang__
+/* Not all clients make use of all provided statics */
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-function"
+#endif
+
+/*
+ * Set the functions names according to where this code is being compiled.
+ */
+
+#ifdef X11_t
+#define TRANS(func) _X11Trans##func
+#ifdef XTRANSDEBUG
+static const char *__xtransname = "_X11Trans";
+#endif
+#endif /* X11_t */
+
+#ifdef XSERV_t
+#define TRANS(func) _XSERVTrans##func
+#ifdef XTRANSDEBUG
+static const char *__xtransname = "_XSERVTrans";
+#endif
+#define X11_t
+#endif /* XSERV_t */
+
+#ifdef XIM_t
+#define TRANS(func) _XimXTrans##func
+#ifdef XTRANSDEBUG
+static const char *__xtransname = "_XimTrans";
+#endif
+#endif /* XIM_t */
+
+#ifdef FS_t
+#define TRANS(func) _FSTrans##func
+#ifdef XTRANSDEBUG
+static const char *__xtransname = "_FSTrans";
+#endif
+#endif /* FS_t */
+
+#ifdef FONT_t
+#define TRANS(func) _FontTrans##func
+#ifdef XTRANSDEBUG
+static const char *__xtransname = "_FontTrans";
+#endif
+#endif /* FONT_t */
+
+#ifdef ICE_t
+#define TRANS(func) _IceTrans##func
+#ifdef XTRANSDEBUG
+static const char *__xtransname = "_IceTrans";
+#endif
+#endif /* ICE_t */
+
+#if !defined(TRANS)
+#define TRANS(func) _XTrans##func
+#ifdef XTRANSDEBUG
+static const char *__xtransname = "_XTrans";
+#endif
+#endif /* !TRANS */
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+/*
+ * Create a single address structure that can be used wherever
+ * an address structure is needed. struct sockaddr is not big enough
+ * to hold a sockadd_un, so we create this definition to have a single
+ * structure that is big enough for all the structures we might need.
+ *
+ * This structure needs to be independent of the socket/TLI interface used.
+ */
+
+#if defined(IPv6) && defined(AF_INET6)
+typedef struct sockaddr_storage Xtransaddr;
+#else
+#define XTRANS_MAX_ADDR_LEN 128 /* large enough to hold sun_path */
+
+typedef struct {
+ unsigned char addr[XTRANS_MAX_ADDR_LEN];
+} Xtransaddr;
+#endif
+
+#ifdef LONG64
+typedef int BytesReadable_t;
+#else
+typedef long BytesReadable_t;
+#endif
+
+
+#if defined(WIN32) || defined(USG)
+
+/*
+ * TRANS(Readv) and TRANS(Writev) use struct iovec, normally found
+ * in Berkeley systems in <sys/uio.h>. See the readv(2) and writev(2)
+ * manual pages for details.
+ */
+
+struct iovec {
+ caddr_t iov_base;
+ int iov_len;
+};
+
+#else
+#include <sys/uio.h>
+#endif
+
+typedef struct _XtransConnInfo *XtransConnInfo;
+
+
+/*
+ * Transport Option definitions
+ */
+
+#define TRANS_NONBLOCKING 1
+#define TRANS_CLOSEONEXEC 2
+
+
+/*
+ * Return values of Connect (0 is success)
+ */
+
+#define TRANS_CONNECT_FAILED -1
+#define TRANS_TRY_CONNECT_AGAIN -2
+#define TRANS_IN_PROGRESS -3
+
+
+/*
+ * Return values of CreateListener (0 is success)
+ */
+
+#define TRANS_CREATE_LISTENER_FAILED -1
+#define TRANS_ADDR_IN_USE -2
+
+
+/*
+ * Return values of Accept (0 is success)
+ */
+
+#define TRANS_ACCEPT_BAD_MALLOC -1
+#define TRANS_ACCEPT_FAILED -2
+#define TRANS_ACCEPT_MISC_ERROR -3
+
+
+/*
+ * ResetListener return values
+ */
+
+#define TRANS_RESET_NOOP 1
+#define TRANS_RESET_NEW_FD 2
+#define TRANS_RESET_FAILURE 3
+
+
+/*
+ * Function prototypes for the exposed interface
+ */
+
+void TRANS(FreeConnInfo) (
+ XtransConnInfo /* ciptr */
+);
+
+#ifdef TRANS_CLIENT
+
+XtransConnInfo TRANS(OpenCOTSClient)(
+ const char * /* address */
+);
+
+#endif /* TRANS_CLIENT */
+
+#ifdef TRANS_SERVER
+
+XtransConnInfo TRANS(OpenCOTSServer)(
+ const char * /* address */
+);
+
+#endif /* TRANS_SERVER */
+
+#ifdef TRANS_REOPEN
+
+XtransConnInfo TRANS(ReopenCOTSServer)(
+ int, /* trans_id */
+ int, /* fd */
+ const char * /* port */
+);
+
+int TRANS(GetReopenInfo)(
+ XtransConnInfo, /* ciptr */
+ int *, /* trans_id */
+ int *, /* fd */
+ char ** /* port */
+);
+
+#endif /* TRANS_REOPEN */
+
+
+int TRANS(SetOption)(
+ XtransConnInfo, /* ciptr */
+ int, /* option */
+ int /* arg */
+);
+
+#ifdef TRANS_SERVER
+
+int TRANS(CreateListener)(
+ XtransConnInfo, /* ciptr */
+ const char *, /* port */
+ unsigned int /* flags */
+);
+
+int TRANS(Received) (
+ const char* /* protocol*/
+);
+
+int TRANS(NoListen) (
+ const char* /* protocol*/
+);
+
+int TRANS(Listen) (
+ const char* /* protocol*/
+);
+
+int TRANS(IsListening) (
+ const char* /* protocol*/
+);
+
+int TRANS(ResetListener)(
+ XtransConnInfo /* ciptr */
+);
+
+XtransConnInfo TRANS(Accept)(
+ XtransConnInfo, /* ciptr */
+ int * /* status */
+);
+
+#endif /* TRANS_SERVER */
+
+#ifdef TRANS_CLIENT
+
+int TRANS(Connect)(
+ XtransConnInfo, /* ciptr */
+ const char * /* address */
+);
+
+#endif /* TRANS_CLIENT */
+
+int TRANS(BytesReadable)(
+ XtransConnInfo, /* ciptr */
+ BytesReadable_t * /* pend */
+);
+
+int TRANS(Read)(
+ XtransConnInfo, /* ciptr */
+ char *, /* buf */
+ int /* size */
+);
+
+int TRANS(Write)(
+ XtransConnInfo, /* ciptr */
+ char *, /* buf */
+ int /* size */
+);
+
+int TRANS(Readv)(
+ XtransConnInfo, /* ciptr */
+ struct iovec *, /* buf */
+ int /* size */
+);
+
+int TRANS(Writev)(
+ XtransConnInfo, /* ciptr */
+ struct iovec *, /* buf */
+ int /* size */
+);
+
+int TRANS(SendFd) (XtransConnInfo ciptr, int fd, int do_close);
+
+int TRANS(RecvFd) (XtransConnInfo ciptr);
+
+int TRANS(Disconnect)(
+ XtransConnInfo /* ciptr */
+);
+
+int TRANS(Close)(
+ XtransConnInfo /* ciptr */
+);
+
+int TRANS(CloseForCloning)(
+ XtransConnInfo /* ciptr */
+);
+
+int TRANS(IsLocal)(
+ XtransConnInfo /* ciptr */
+);
+
+#ifdef NX_TRANS_SOCKET
+/* needed for pre-xcb libX11 as we have in NX */
+int TRANS(GetMyAddr)(
+ XtransConnInfo, /* ciptr */
+ int *, /* familyp */
+ int *, /* addrlenp */
+ Xtransaddr ** /* addrp */
+);
+#endif
+
+int TRANS(GetPeerAddr)(
+ XtransConnInfo, /* ciptr */
+ int *, /* familyp */
+ int *, /* addrlenp */
+ Xtransaddr ** /* addrp */
+);
+
+int TRANS(GetConnectionNumber)(
+ XtransConnInfo /* ciptr */
+);
+
+#ifdef TRANS_SERVER
+
+int TRANS(MakeAllCOTSServerListeners)(
+ const char *, /* port */
+ int *, /* partial */
+ int *, /* count_ret */
+ XtransConnInfo ** /* ciptrs_ret */
+);
+
+#endif /* TRANS_SERVER */
+
+
+/*
+ * Function Prototypes for Utility Functions.
+ */
+
+#ifdef X11_t
+
+int TRANS(ConvertAddress)(
+ int *, /* familyp */
+ int *, /* addrlenp */
+ Xtransaddr ** /* addrp */
+);
+
+#endif /* X11_t */
+
+#ifdef ICE_t
+
+char *
+TRANS(GetMyNetworkId)(
+ XtransConnInfo /* ciptr */
+);
+
+char *
+TRANS(GetPeerNetworkId)(
+ XtransConnInfo /* ciptr */
+);
+
+#endif /* ICE_t */
+
+int
+TRANS(GetHostname) (
+ char * /* buf */,
+ int /* maxlen */
+);
+
+#if defined(WIN32) && defined(TCPCONN)
+int TRANS(WSAStartup)();
+#endif
+
+#endif /* _XTRANS_H_ */
diff --git a/nx-X11/lib/include/xtrans/Xtransint.h b/nx-X11/lib/include/xtrans/Xtransint.h
new file mode 100644
index 000000000..f7e07687b
--- /dev/null
+++ b/nx-X11/lib/include/xtrans/Xtransint.h
@@ -0,0 +1,433 @@
+/*
+
+Copyright 1993, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+ * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name NCR not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. NCR makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _XTRANSINT_H_
+#define _XTRANSINT_H_
+
+/*
+ * XTRANSDEBUG will enable the PRMSG() macros used in the X Transport
+ * Interface code. Each use of the PRMSG macro has a level associated with
+ * it. XTRANSDEBUG is defined to be a level. If the invocation level is =<
+ * the value of XTRANSDEBUG, then the message will be printed out to stderr.
+ * Recommended levels are:
+ *
+ * XTRANSDEBUG=1 Error messages
+ * XTRANSDEBUG=2 API Function Tracing
+ * XTRANSDEBUG=3 All Function Tracing
+ * XTRANSDEBUG=4 printing of intermediate values
+ * XTRANSDEBUG=5 really detailed stuff
+#define XTRANSDEBUG 2
+ *
+ * Defining XTRANSDEBUGTIMESTAMP will cause printing timestamps with each
+ * message.
+ */
+
+#if !defined(XTRANSDEBUG) && defined(XTRANS_TRANSPORT_C)
+# define XTRANSDEBUG 1
+#endif
+
+#ifdef WIN32
+# define _WILLWINSOCK_
+#endif
+
+#include "Xtrans.h"
+
+#ifndef _X_UNUSED /* Defined in Xfuncproto.h in xproto >= 7.0.22 */
+# define _X_UNUSED /* */
+#endif
+
+#ifdef XTRANSDEBUG
+# include <stdio.h>
+#endif /* XTRANSDEBUG */
+
+#include <errno.h>
+
+#ifndef WIN32
+# include <sys/socket.h>
+# include <netinet/in.h>
+# include <arpa/inet.h>
+
+/*
+ * Moved the setting of NEED_UTSNAME to this header file from Xtrans.c,
+ * to avoid a race condition. JKJ (6/5/97)
+ */
+
+# if defined(_POSIX_SOURCE) || defined(USG) || defined(SVR4) || defined(__SVR4) || defined(__SCO__)
+# ifndef NEED_UTSNAME
+# define NEED_UTSNAME
+# endif
+# include <sys/utsname.h>
+# endif
+
+# define ESET(val) errno = val
+# define EGET() errno
+
+#else /* WIN32 */
+
+# include <limits.h> /* for USHRT_MAX */
+
+# define ESET(val) WSASetLastError(val)
+# define EGET() WSAGetLastError()
+
+#endif /* WIN32 */
+
+#include <stddef.h>
+
+#ifdef X11_t
+#define X_TCP_PORT 6000
+#endif
+
+#if XTRANS_SEND_FDS
+
+struct _XtransConnFd {
+ struct _XtransConnFd *next;
+ int fd;
+ int do_close;
+};
+
+#endif
+
+struct _XtransConnInfo {
+ struct _Xtransport *transptr;
+ int index;
+ char *priv;
+ int flags;
+ int fd;
+ char *port;
+ int family;
+ char *addr;
+ int addrlen;
+ char *peeraddr;
+ int peeraddrlen;
+ struct _XtransConnFd *recv_fds;
+ struct _XtransConnFd *send_fds;
+};
+
+#define XTRANS_OPEN_COTS_CLIENT 1
+#define XTRANS_OPEN_COTS_SERVER 2
+
+typedef struct _Xtransport {
+ const char *TransName;
+ int flags;
+
+#ifdef TRANS_CLIENT
+
+ XtransConnInfo (*OpenCOTSClient)(
+ struct _Xtransport *, /* transport */
+ const char *, /* protocol */
+ const char *, /* host */
+ const char * /* port */
+ );
+
+#endif /* TRANS_CLIENT */
+
+#ifdef TRANS_SERVER
+ const char ** nolisten;
+ XtransConnInfo (*OpenCOTSServer)(
+ struct _Xtransport *, /* transport */
+ const char *, /* protocol */
+ const char *, /* host */
+ const char * /* port */
+ );
+
+#endif /* TRANS_SERVER */
+
+#ifdef TRANS_REOPEN
+
+ XtransConnInfo (*ReopenCOTSServer)(
+ struct _Xtransport *, /* transport */
+ int, /* fd */
+ const char * /* port */
+ );
+
+#endif /* TRANS_REOPEN */
+
+
+ int (*SetOption)(
+ XtransConnInfo, /* connection */
+ int, /* option */
+ int /* arg */
+ );
+
+#ifdef TRANS_SERVER
+/* Flags */
+# define ADDR_IN_USE_ALLOWED 1
+
+ int (*CreateListener)(
+ XtransConnInfo, /* connection */
+ const char *, /* port */
+ unsigned int /* flags */
+ );
+
+ int (*ResetListener)(
+ XtransConnInfo /* connection */
+ );
+
+ XtransConnInfo (*Accept)(
+ XtransConnInfo, /* connection */
+ int * /* status */
+ );
+
+#endif /* TRANS_SERVER */
+
+#ifdef TRANS_CLIENT
+
+ int (*Connect)(
+ XtransConnInfo, /* connection */
+ const char *, /* host */
+ const char * /* port */
+ );
+
+#endif /* TRANS_CLIENT */
+
+ int (*BytesReadable)(
+ XtransConnInfo, /* connection */
+ BytesReadable_t * /* pend */
+ );
+
+ int (*Read)(
+ XtransConnInfo, /* connection */
+ char *, /* buf */
+ int /* size */
+ );
+
+ int (*Write)(
+ XtransConnInfo, /* connection */
+ char *, /* buf */
+ int /* size */
+ );
+
+ int (*Readv)(
+ XtransConnInfo, /* connection */
+ struct iovec *, /* buf */
+ int /* size */
+ );
+
+ int (*Writev)(
+ XtransConnInfo, /* connection */
+ struct iovec *, /* buf */
+ int /* size */
+ );
+
+#if XTRANS_SEND_FDS
+ int (*SendFd)(
+ XtransConnInfo, /* connection */
+ int, /* fd */
+ int /* do_close */
+ );
+
+ int (*RecvFd)(
+ XtransConnInfo /* connection */
+ );
+#endif
+
+ int (*Disconnect)(
+ XtransConnInfo /* connection */
+ );
+
+ int (*Close)(
+ XtransConnInfo /* connection */
+ );
+
+ int (*CloseForCloning)(
+ XtransConnInfo /* connection */
+ );
+
+} Xtransport;
+
+
+typedef struct _Xtransport_table {
+ Xtransport *transport;
+ int transport_id;
+} Xtransport_table;
+
+
+/*
+ * Flags for the flags member of Xtransport.
+ */
+
+#define TRANS_ALIAS (1<<0) /* record is an alias, don't create server */
+#define TRANS_LOCAL (1<<1) /* local transport */
+#define TRANS_DISABLED (1<<2) /* Don't open this one */
+#define TRANS_NOLISTEN (1<<3) /* Don't listen on this one */
+#define TRANS_NOUNLINK (1<<4) /* Don't unlink transport endpoints */
+#define TRANS_ABSTRACT (1<<5) /* Use abstract sockets if available */
+#define TRANS_NOXAUTH (1<<6) /* Don't verify authentication (because it's secure some other way at the OS layer) */
+#define TRANS_RECEIVED (1<<7) /* The fd for this has already been opened by someone else. */
+
+/* Flags to preserve when setting others */
+#define TRANS_KEEPFLAGS (TRANS_NOUNLINK|TRANS_ABSTRACT)
+
+#ifdef XTRANS_TRANSPORT_C /* only provide static function prototypes when
+ building the transport.c file that has them in */
+
+#ifdef __clang__
+/* Not all clients make use of all provided statics */
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunused-function"
+#endif
+
+/*
+ * readv() and writev() don't exist or don't work correctly on some
+ * systems, so they may be emulated.
+ */
+
+#ifdef WIN32
+
+#define READV(ciptr, iov, iovcnt) TRANS(ReadV)(ciptr, iov, iovcnt)
+
+static int TRANS(ReadV)(
+ XtransConnInfo, /* ciptr */
+ struct iovec *, /* iov */
+ int /* iovcnt */
+);
+
+#else
+
+#define READV(ciptr, iov, iovcnt) readv(ciptr->fd, iov, iovcnt)
+
+#endif /* WIN32 */
+
+
+#ifdef WIN32
+
+#define WRITEV(ciptr, iov, iovcnt) TRANS(WriteV)(ciptr, iov, iovcnt)
+
+static int TRANS(WriteV)(
+ XtransConnInfo, /* ciptr */
+ struct iovec *, /* iov */
+ int /* iovcnt */
+);
+
+#else
+
+#define WRITEV(ciptr, iov, iovcnt) writev(ciptr->fd, iov, iovcnt)
+
+#endif /* WIN32 */
+
+#if defined(X11_t)
+static int is_numeric (
+ const char * /* str */
+);
+#endif
+
+#ifdef TRANS_SERVER
+static int trans_mkdir (
+ const char *, /* path */
+ int /* mode */
+);
+#endif
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif
+
+/*
+ * Some XTRANSDEBUG stuff
+ */
+
+#ifdef XTRANSDEBUG
+#include <stdarg.h>
+
+/*
+ * The X server provides ErrorF() & VErrorF(), for other software that uses
+ * xtrans, we provide our own simple versions.
+ */
+# if defined(XSERV_t) && defined(TRANS_SERVER)
+# include "os.h"
+# else
+static inline void _X_ATTRIBUTE_PRINTF(1, 0)
+VErrorF(const char *f, va_list args)
+{
+ vfprintf(stderr, f, args);
+ fflush(stderr);
+}
+
+static inline void _X_ATTRIBUTE_PRINTF(1, 2)
+ErrorF(const char *f, ...)
+{
+ va_list args;
+
+ va_start(args, f);
+ VErrorF(f, args);
+ va_end(args);
+}
+# endif /* xserver */
+#endif /* XTRANSDEBUG */
+
+static inline void _X_ATTRIBUTE_PRINTF(2, 3)
+prmsg(int lvl, const char *f, ...)
+{
+#ifdef XTRANSDEBUG
+ va_list args;
+
+ va_start(args, f);
+ if (lvl <= XTRANSDEBUG) {
+ int saveerrno = errno;
+
+ ErrorF("%s", __xtransname);
+ VErrorF(f, args);
+
+# ifdef XTRANSDEBUGTIMESTAMP
+ {
+ struct timeval tp;
+ gettimeofday(&tp, 0);
+ ErrorF("timestamp (ms): %d\n",
+ tp.tv_sec * 1000 + tp.tv_usec / 1000);
+ }
+# endif
+ errno = saveerrno;
+ }
+ va_end(args);
+#endif /* XTRANSDEBUG */
+}
+
+#endif /* XTRANS_TRANSPORT_C */
+
+#endif /* _XTRANSINT_H_ */
diff --git a/nx-X11/lib/include/xtrans/Xtranslcl.c b/nx-X11/lib/include/xtrans/Xtranslcl.c
new file mode 100644
index 000000000..7231d2a83
--- /dev/null
+++ b/nx-X11/lib/include/xtrans/Xtranslcl.c
@@ -0,0 +1,2486 @@
+/*
+
+Copyright 1993, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+ * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name NCR not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. NCR makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ *
+ * The connection code/ideas in lib/X and server/os for SVR4/Intel
+ * environments was contributed by the following companies/groups:
+ *
+ * MetroLink Inc
+ * NCR
+ * Pittsburgh Powercomputing Corporation (PPc)/Quarterdeck Office Systems
+ * SGCS
+ * Unix System Laboratories (USL) / Novell
+ * XFree86
+ *
+ * The goal is to have common connection code among all SVR4/Intel vendors.
+ *
+ * ALL THE ABOVE COMPANIES DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS,
+ * IN NO EVENT SHALL THESE COMPANIES * BE LIABLE FOR ANY SPECIAL, INDIRECT
+ * OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE
+ * OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <errno.h>
+#include <ctype.h>
+#include <sys/signal.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#if defined(SVR4) || defined(__SVR4)
+#include <sys/filio.h>
+#endif
+#ifdef __sun
+# include <stropts.h>
+#else
+#include <sys/stropts.h>
+#endif
+#include <sys/wait.h>
+#include <sys/types.h>
+
+/*
+ * The local transports should be treated the same as a UNIX domain socket
+ * wrt authentication, etc. Because of this, we will use struct sockaddr_un
+ * for the address format. This will simplify the code in other places like
+ * The X Server.
+ */
+
+#include <sys/socket.h>
+#ifndef X_NO_SYS_UN
+#include <sys/un.h>
+#endif
+
+
+/* Types of local connections supported:
+ * - PTS
+ * - named pipes
+ * - SCO
+ */
+#if !defined(__sun)
+# define LOCAL_TRANS_PTS
+#endif
+#if defined(SVR4) || defined(__SVR4)
+# define LOCAL_TRANS_NAMED
+#endif
+#if defined(__SCO__) || defined(__UNIXWARE__)
+# define LOCAL_TRANS_SCO
+#endif
+
+static int TRANS(LocalClose)(XtransConnInfo ciptr);
+
+/*
+ * These functions actually implement the local connection mechanisms.
+ */
+
+/* Type Not Supported */
+
+static int
+TRANS(OpenFail)(XtransConnInfo ciptr _X_UNUSED, const char *port _X_UNUSED)
+
+{
+ return -1;
+}
+
+#ifdef TRANS_REOPEN
+
+static int
+TRANS(ReopenFail)(XtransConnInfo ciptr _X_UNUSED, int fd _X_UNUSED,
+ const char *port _X_UNUSED)
+
+{
+ return 0;
+}
+
+#endif /* TRANS_REOPEN */
+
+#if XTRANS_SEND_FDS
+static int
+TRANS(LocalRecvFdInvalid)(XtransConnInfo ciptr)
+{
+ errno = EINVAL;
+ return -1;
+}
+
+static int
+TRANS(LocalSendFdInvalid)(XtransConnInfo ciptr, int fd, int do_close)
+{
+ errno = EINVAL;
+ return -1;
+}
+#endif
+
+
+static int
+TRANS(FillAddrInfo)(XtransConnInfo ciptr,
+ const char *sun_path, const char *peer_sun_path)
+
+{
+ struct sockaddr_un *sunaddr;
+ struct sockaddr_un *p_sunaddr;
+
+ ciptr->family = AF_UNIX;
+ ciptr->addrlen = sizeof (struct sockaddr_un);
+
+ if ((sunaddr = malloc (ciptr->addrlen)) == NULL)
+ {
+ prmsg(1,"FillAddrInfo: failed to allocate memory for addr\n");
+ return 0;
+ }
+
+ sunaddr->sun_family = AF_UNIX;
+
+ if (strlen(sun_path) > sizeof(sunaddr->sun_path) - 1) {
+ prmsg(1, "FillAddrInfo: path too long\n");
+ free((char *) sunaddr);
+ return 0;
+ }
+ strcpy (sunaddr->sun_path, sun_path);
+#if defined(BSD44SOCKETS)
+ sunaddr->sun_len = strlen (sunaddr->sun_path);
+#endif
+
+ ciptr->addr = (char *) sunaddr;
+
+ ciptr->peeraddrlen = sizeof (struct sockaddr_un);
+
+ if ((p_sunaddr = malloc (ciptr->peeraddrlen)) == NULL)
+ {
+ prmsg(1,
+ "FillAddrInfo: failed to allocate memory for peer addr\n");
+ free (sunaddr);
+ ciptr->addr = NULL;
+
+ return 0;
+ }
+
+ p_sunaddr->sun_family = AF_UNIX;
+
+ if (strlen(peer_sun_path) > sizeof(p_sunaddr->sun_path) - 1) {
+ prmsg(1, "FillAddrInfo: peer path too long\n");
+ free((char *) p_sunaddr);
+ return 0;
+ }
+ strcpy (p_sunaddr->sun_path, peer_sun_path);
+#if defined(BSD44SOCKETS)
+ p_sunaddr->sun_len = strlen (p_sunaddr->sun_path);
+#endif
+
+ ciptr->peeraddr = (char *) p_sunaddr;
+
+ return 1;
+}
+
+
+
+#ifdef LOCAL_TRANS_PTS
+/* PTS */
+
+#if defined(SYSV) && !defined(__SCO__)
+#define SIGNAL_T int
+#else
+#define SIGNAL_T void
+#endif /* SYSV */
+
+typedef SIGNAL_T (*PFV)();
+
+extern PFV signal();
+
+extern char *ptsname(
+ int
+);
+
+static void _dummy(int sig _X_UNUSED)
+
+{
+}
+#endif /* LOCAL_TRANS_PTS */
+
+#ifndef __sun
+#define X_STREAMS_DIR "/dev/X"
+#define DEV_SPX "/dev/spx"
+#else
+#ifndef X11_t
+#define X_STREAMS_DIR "/dev/X"
+#else
+#define X_STREAMS_DIR "/tmp/.X11-pipe"
+#endif
+#endif
+
+#define DEV_PTMX "/dev/ptmx"
+
+#if defined(X11_t)
+
+#define PTSNODENAME "/dev/X/server."
+#ifdef __sun
+#define NAMEDNODENAME "/tmp/.X11-pipe/X"
+#else
+#define NAMEDNODENAME "/dev/X/Nserver."
+
+#define SCORNODENAME "/dev/X%1sR"
+#define SCOSNODENAME "/dev/X%1sS"
+#endif /* !__sun */
+#endif
+#if defined(XIM_t)
+#ifdef __sun
+#define NAMEDNODENAME "/tmp/.XIM-pipe/XIM"
+#else
+#define PTSNODENAME "/dev/X/XIM."
+#define NAMEDNODENAME "/dev/X/NXIM."
+#define SCORNODENAME "/dev/XIM.%sR"
+#define SCOSNODENAME "/dev/XIM.%sS"
+#endif
+#endif
+#if defined(FS_t) || defined (FONT_t)
+#ifdef __sun
+#define NAMEDNODENAME "/tmp/.font-pipe/fs"
+#else
+/*
+ * USL has already defined something here. We need to check with them
+ * and see if their choice is usable here.
+ */
+#define PTSNODENAME "/dev/X/fontserver."
+#define NAMEDNODENAME "/dev/X/Nfontserver."
+#define SCORNODENAME "/dev/fontserver.%sR"
+#define SCOSNODENAME "/dev/fontserver.%sS"
+#endif
+#endif
+#if defined(ICE_t)
+#ifdef __sun
+#define NAMEDNODENAME "/tmp/.ICE-pipe/"
+#else
+#define PTSNODENAME "/dev/X/ICE."
+#define NAMEDNODENAME "/dev/X/NICE."
+#define SCORNODENAME "/dev/ICE.%sR"
+#define SCOSNODENAME "/dev/ICE.%sS"
+#endif
+#endif
+#if defined(TEST_t)
+#ifdef __sun
+#define NAMEDNODENAME "/tmp/.Test-unix/test"
+#endif
+#define PTSNODENAME "/dev/X/transtest."
+#define NAMEDNODENAME "/dev/X/Ntranstest."
+#define SCORNODENAME "/dev/transtest.%sR"
+#define SCOSNODENAME "/dev/transtest.%sS"
+#endif
+
+
+
+#ifdef LOCAL_TRANS_PTS
+#ifdef TRANS_CLIENT
+
+static int
+TRANS(PTSOpenClient)(XtransConnInfo ciptr, const char *port)
+
+{
+#ifdef PTSNODENAME
+ int fd,server,exitval,alarm_time,ret;
+ char server_path[64];
+ char *slave, namelen;
+ char buf[20]; /* MAX_PATH_LEN?? */
+ PFV savef;
+ pid_t saved_pid;
+#endif
+
+ prmsg(2,"PTSOpenClient(%s)\n", port);
+
+#if !defined(PTSNODENAME)
+ prmsg(1,"PTSOpenClient: Protocol is not supported by a pts connection\n");
+ return -1;
+#else
+ if (port && *port ) {
+ if( *port == '/' ) { /* A full pathname */
+ snprintf(server_path, sizeof(server_path), "%s", port);
+ } else {
+ snprintf(server_path, sizeof(server_path), "%s%s",
+ PTSNODENAME, port);
+ }
+ } else {
+ snprintf(server_path, sizeof(server_path), "%s%d",
+ PTSNODENAME, getpid());
+ }
+
+
+ /*
+ * Open the node the on which the server is listening.
+ */
+
+ if ((server = open (server_path, O_RDWR)) < 0) {
+ prmsg(1,"PTSOpenClient: failed to open %s\n", server_path);
+ return -1;
+ }
+
+
+ /*
+ * Open the streams based pipe that will be this connection.
+ */
+
+ if ((fd = open(DEV_PTMX, O_RDWR)) < 0) {
+ prmsg(1,"PTSOpenClient: failed to open %s\n", DEV_PTMX);
+ close(server);
+ return(-1);
+ }
+
+ (void) grantpt(fd);
+ (void) unlockpt(fd);
+
+ slave = ptsname(fd); /* get name */
+
+ if( slave == NULL ) {
+ prmsg(1,"PTSOpenClient: failed to get ptsname()\n");
+ close(fd);
+ close(server);
+ return -1;
+ }
+
+ /*
+ * This is neccesary for the case where a program is setuid to non-root.
+ * grantpt() calls /usr/lib/pt_chmod which is set-uid root. This program will
+ * set the owner of the pt device incorrectly if the uid is not restored
+ * before it is called. The problem is that once it gets restored, it
+ * cannot be changed back to its original condition, hence the fork().
+ */
+
+ if(!(saved_pid=fork())) {
+ uid_t saved_euid;
+
+ saved_euid = geteuid();
+ /** sets the euid to the actual/real uid **/
+ if (setuid( getuid() ) == -1) {
+ exit(1);
+ }
+ if( chown( slave, saved_euid, -1 ) < 0 ) {
+ exit( 1 );
+ }
+
+ exit( 0 );
+ }
+
+ waitpid(saved_pid, &exitval, 0);
+ if (WIFEXITED(exitval) && WEXITSTATUS(exitval) != 0) {
+ close(fd);
+ close(server);
+ prmsg(1, "PTSOpenClient: cannot set the owner of %s\n",
+ slave);
+ return(-1);
+ }
+ if (chmod(slave, 0666) < 0) {
+ close(fd);
+ close(server);
+ prmsg(1,"PTSOpenClient: Cannot chmod %s\n", slave);
+ return(-1);
+ }
+
+ /*
+ * write slave name to server
+ */
+
+ namelen = strlen(slave);
+ buf[0] = namelen;
+ (void) sprintf(&buf[1], slave);
+ (void) write(server, buf, namelen+1);
+ (void) close(server);
+
+ /*
+ * wait for server to respond
+ */
+
+ savef = signal(SIGALRM, _dummy);
+ alarm_time = alarm (30); /* CONNECT_TIMEOUT */
+
+ ret = read(fd, buf, 1);
+
+ (void) alarm(alarm_time);
+ (void) signal(SIGALRM, savef);
+
+ if (ret != 1) {
+ prmsg(1,
+ "PTSOpenClient: failed to get acknoledgement from server\n");
+ (void) close(fd);
+ fd = -1;
+ }
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+ if (TRANS(FillAddrInfo) (ciptr, slave, server_path) == 0)
+ {
+ prmsg(1,"PTSOpenClient: failed to fill in addr info\n");
+ close(fd);
+ return -1;
+ }
+
+ return(fd);
+
+#endif /* !PTSNODENAME */
+}
+
+#endif /* TRANS_CLIENT */
+
+
+#ifdef TRANS_SERVER
+
+static int
+TRANS(PTSOpenServer)(XtransConnInfo ciptr, const char *port)
+
+{
+#ifdef PTSNODENAME
+ int fd, server;
+ char server_path[64], *slave;
+ int mode;
+#endif
+
+ prmsg(2,"PTSOpenServer(%s)\n", port);
+
+#if !defined(PTSNODENAME)
+ prmsg(1,"PTSOpenServer: Protocol is not supported by a pts connection\n");
+ return -1;
+#else
+ if (port && *port ) {
+ if( *port == '/' ) { /* A full pathname */
+ (void) sprintf(server_path, "%s", port);
+ } else {
+ (void) sprintf(server_path, "%s%s", PTSNODENAME, port);
+ }
+ } else {
+ (void) sprintf(server_path, "%s%d", PTSNODENAME, getpid());
+ }
+
+#ifdef HAS_STICKY_DIR_BIT
+ mode = 01777;
+#else
+ mode = 0777;
+#endif
+ if (trans_mkdir(X_STREAMS_DIR, mode) == -1) {
+ prmsg (1, "PTSOpenServer: mkdir(%s) failed, errno = %d\n",
+ X_STREAMS_DIR, errno);
+ return(-1);
+ }
+
+#if 0
+ if( (fd=open(server_path, O_RDWR)) >= 0 ) {
+ /*
+ * This doesn't prevent the server from starting up, and doesn't
+ * prevent clients from trying to connect to the in-use PTS (which
+ * is often in use by something other than another server).
+ */
+ prmsg(1, "PTSOpenServer: A server is already running on port %s\n", port);
+ prmsg(1, "PTSOpenServer: Remove %s if this is incorrect.\n", server_path);
+ close(fd);
+ return(-1);
+ }
+#else
+ /* Just remove the old path (which is what happens with UNIXCONN) */
+#endif
+
+ unlink(server_path);
+
+ if( (fd=open(DEV_PTMX, O_RDWR)) < 0) {
+ prmsg(1, "PTSOpenServer: Unable to open %s\n", DEV_PTMX);
+ return(-1);
+ }
+
+ grantpt(fd);
+ unlockpt(fd);
+
+ if( (slave=ptsname(fd)) == NULL) {
+ prmsg(1, "PTSOpenServer: Unable to get slave device name\n");
+ close(fd);
+ return(-1);
+ }
+
+ if( link(slave,server_path) < 0 ) {
+ prmsg(1, "PTSOpenServer: Unable to link %s to %s\n", slave, server_path);
+ close(fd);
+ return(-1);
+ }
+
+ if( chmod(server_path, 0666) < 0 ) {
+ prmsg(1, "PTSOpenServer: Unable to chmod %s to 0666\n", server_path);
+ close(fd);
+ return(-1);
+ }
+
+ if( (server=open(server_path, O_RDWR)) < 0 ) {
+ prmsg(1, "PTSOpenServer: Unable to open server device %s\n", server_path);
+ close(fd);
+ return(-1);
+ }
+
+ close(server);
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0)
+ {
+ prmsg(1,"PTSOpenServer: failed to fill in addr info\n");
+ close(fd);
+ return -1;
+ }
+
+ return fd;
+
+#endif /* !PTSNODENAME */
+}
+
+static int
+TRANS(PTSAccept)(XtransConnInfo ciptr, XtransConnInfo newciptr, int *status)
+
+{
+ int newfd;
+ int in;
+ unsigned char length;
+ char buf[256];
+ struct sockaddr_un *sunaddr;
+
+ prmsg(2,"PTSAccept(%x->%d)\n",ciptr,ciptr->fd);
+
+ if( (in=read(ciptr->fd,&length,1)) <= 0 ){
+ if( !in ) {
+ prmsg(2,
+ "PTSAccept: Incoming connection closed\n");
+ }
+ else {
+ prmsg(1,
+ "PTSAccept: Error reading incoming connection. errno=%d \n",
+ errno);
+ }
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return -1;
+ }
+
+ if( (in=read(ciptr->fd,buf,length)) <= 0 ){
+ if( !in ) {
+ prmsg(2,
+ "PTSAccept: Incoming connection closed\n");
+ }
+ else {
+ prmsg(1,
+"PTSAccept: Error reading device name for new connection. errno=%d \n",
+ errno);
+ }
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return -1;
+ }
+
+ buf[length] = '\0';
+
+ if( (newfd=open(buf,O_RDWR)) < 0 ) {
+ prmsg(1, "PTSAccept: Failed to open %s\n",buf);
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return -1;
+ }
+
+ write(newfd,"1",1);
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+ newciptr->addrlen=ciptr->addrlen;
+ if( (newciptr->addr = malloc(newciptr->addrlen)) == NULL ) {
+ prmsg(1,"PTSAccept: failed to allocate memory for peer addr\n");
+ close(newfd);
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return -1;
+ }
+
+ memcpy(newciptr->addr,ciptr->addr,newciptr->addrlen);
+
+ newciptr->peeraddrlen=sizeof(struct sockaddr_un);
+ if( (sunaddr = malloc(newciptr->peeraddrlen)) == NULL ) {
+ prmsg(1,"PTSAccept: failed to allocate memory for peer addr\n");
+ free(newciptr->addr);
+ close(newfd);
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return -1;
+ }
+
+ sunaddr->sun_family=AF_UNIX;
+ strcpy(sunaddr->sun_path,buf);
+#if defined(BSD44SOCKETS)
+ sunaddr->sun_len=strlen(sunaddr->sun_path);
+#endif
+
+ newciptr->peeraddr=(char *)sunaddr;
+
+ *status = 0;
+
+ return newfd;
+}
+
+#endif /* TRANS_SERVER */
+#endif /* LOCAL_TRANS_PTS */
+
+
+#ifdef LOCAL_TRANS_NAMED
+
+/* NAMED */
+
+#ifdef TRANS_CLIENT
+
+static int
+TRANS(NAMEDOpenClient)(XtransConnInfo ciptr, const char *port)
+
+{
+#ifdef NAMEDNODENAME
+ int fd;
+ char server_path[64];
+ struct stat filestat;
+# ifndef __sun
+ extern int isastream(int);
+# endif
+#endif
+
+ prmsg(2,"NAMEDOpenClient(%s)\n", port);
+
+#if !defined(NAMEDNODENAME)
+ prmsg(1,"NAMEDOpenClient: Protocol is not supported by a NAMED connection\n");
+ return -1;
+#else
+ if ( port && *port ) {
+ if( *port == '/' ) { /* A full pathname */
+ (void) snprintf(server_path, sizeof(server_path), "%s", port);
+ } else {
+ (void) snprintf(server_path, sizeof(server_path), "%s%s", NAMEDNODENAME, port);
+ }
+ } else {
+ (void) snprintf(server_path, sizeof(server_path), "%s%ld", NAMEDNODENAME, (long)getpid());
+ }
+
+ if ((fd = open(server_path, O_RDWR)) < 0) {
+ prmsg(1,"NAMEDOpenClient: Cannot open %s for NAMED connection\n", server_path);
+ return -1;
+ }
+
+ if (fstat(fd, &filestat) < 0 ) {
+ prmsg(1,"NAMEDOpenClient: Cannot stat %s for NAMED connection\n", server_path);
+ (void) close(fd);
+ return -1;
+ }
+
+ if ((filestat.st_mode & S_IFMT) != S_IFIFO) {
+ prmsg(1,"NAMEDOpenClient: Device %s is not a FIFO\n", server_path);
+ /* Is this really a failure? */
+ (void) close(fd);
+ return -1;
+ }
+
+
+ if (isastream(fd) <= 0) {
+ prmsg(1,"NAMEDOpenClient: %s is not a streams device\n", server_path);
+ (void) close(fd);
+ return -1;
+ }
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0)
+ {
+ prmsg(1,"NAMEDOpenClient: failed to fill in addr info\n");
+ close(fd);
+ return -1;
+ }
+
+ return(fd);
+
+#endif /* !NAMEDNODENAME */
+}
+
+#endif /* TRANS_CLIENT */
+
+
+#ifdef TRANS_SERVER
+
+
+#ifdef NAMEDNODENAME
+static int
+TRANS(NAMEDOpenPipe)(const char *server_path)
+{
+ int fd, pipefd[2];
+ struct stat sbuf;
+ int mode;
+
+ prmsg(2,"NAMEDOpenPipe(%s)\n", server_path);
+
+#ifdef HAS_STICKY_DIR_BIT
+ mode = 01777;
+#else
+ mode = 0777;
+#endif
+ if (trans_mkdir(X_STREAMS_DIR, mode) == -1) {
+ prmsg (1, "NAMEDOpenPipe: mkdir(%s) failed, errno = %d\n",
+ X_STREAMS_DIR, errno);
+ return(-1);
+ }
+
+ if(stat(server_path, &sbuf) != 0) {
+ if (errno == ENOENT) {
+ if ((fd = creat(server_path, (mode_t)0666)) == -1) {
+ prmsg(1, "NAMEDOpenPipe: Can't open %s\n", server_path);
+ return(-1);
+ }
+ close(fd);
+ if (chmod(server_path, (mode_t)0666) < 0) {
+ prmsg(1, "NAMEDOpenPipe: Can't open %s\n", server_path);
+ return(-1);
+ }
+ } else {
+ prmsg(1, "NAMEDOpenPipe: stat on %s failed\n", server_path);
+ return(-1);
+ }
+ }
+
+ if( pipe(pipefd) != 0) {
+ prmsg(1, "NAMEDOpenPipe: pipe() failed, errno=%d\n",errno);
+ return(-1);
+ }
+
+ if( ioctl(pipefd[0], I_PUSH, "connld") != 0) {
+ prmsg(1, "NAMEDOpenPipe: ioctl(I_PUSH,\"connld\") failed, errno=%d\n",errno);
+ close(pipefd[0]);
+ close(pipefd[1]);
+ return(-1);
+ }
+
+ if( fattach(pipefd[0], server_path) != 0) {
+ prmsg(1, "NAMEDOpenPipe: fattach(%s) failed, errno=%d\n", server_path,errno);
+ close(pipefd[0]);
+ close(pipefd[1]);
+ return(-1);
+ }
+
+ return(pipefd[1]);
+}
+#endif
+
+static int
+TRANS(NAMEDOpenServer)(XtransConnInfo ciptr, const char *port)
+{
+#ifdef NAMEDNODENAME
+ int fd;
+ char server_path[64];
+#endif
+
+ prmsg(2,"NAMEDOpenServer(%s)\n", port);
+
+#if !defined(NAMEDNODENAME)
+ prmsg(1,"NAMEDOpenServer: Protocol is not supported by a NAMED connection\n");
+ return -1;
+#else
+ if ( port && *port ) {
+ if( *port == '/' ) { /* A full pathname */
+ (void) snprintf(server_path, sizeof(server_path), "%s", port);
+ } else {
+ (void) snprintf(server_path, sizeof(server_path), "%s%s",
+ NAMEDNODENAME, port);
+ }
+ } else {
+ (void) snprintf(server_path, sizeof(server_path), "%s%ld",
+ NAMEDNODENAME, (long)getpid());
+ }
+
+ fd = TRANS(NAMEDOpenPipe)(server_path);
+ if (fd < 0) {
+ return -1;
+ }
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0)
+ {
+ prmsg(1,"NAMEDOpenServer: failed to fill in addr info\n");
+ TRANS(LocalClose)(ciptr);
+ return -1;
+ }
+
+ return fd;
+
+#endif /* !NAMEDNODENAME */
+}
+
+static int
+TRANS(NAMEDResetListener) (XtransConnInfo ciptr)
+
+{
+ struct sockaddr_un *sockname=(struct sockaddr_un *) ciptr->addr;
+ struct stat statb;
+
+ prmsg(2,"NAMEDResetListener(%p, %d)\n", ciptr, ciptr->fd);
+
+ if (ciptr->fd != -1) {
+ /*
+ * see if the pipe has disappeared
+ */
+
+ if (stat (sockname->sun_path, &statb) == -1 ||
+ (statb.st_mode & S_IFMT) != S_IFIFO) {
+ prmsg(3, "Pipe %s trashed, recreating\n", sockname->sun_path);
+ TRANS(LocalClose)(ciptr);
+ ciptr->fd = TRANS(NAMEDOpenPipe)(sockname->sun_path);
+ if (ciptr->fd >= 0)
+ return TRANS_RESET_NEW_FD;
+ else
+ return TRANS_CREATE_LISTENER_FAILED;
+ }
+ }
+ return TRANS_RESET_NOOP;
+}
+
+static int
+TRANS(NAMEDAccept)(XtransConnInfo ciptr, XtransConnInfo newciptr, int *status)
+
+{
+ struct strrecvfd str;
+
+ prmsg(2,"NAMEDAccept(%p->%d)\n", ciptr, ciptr->fd);
+
+ if( ioctl(ciptr->fd, I_RECVFD, &str ) < 0 ) {
+ prmsg(1, "NAMEDAccept: ioctl(I_RECVFD) failed, errno=%d\n", errno);
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return(-1);
+ }
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+ newciptr->family=ciptr->family;
+ newciptr->addrlen=ciptr->addrlen;
+ if( (newciptr->addr = malloc(newciptr->addrlen)) == NULL ) {
+ prmsg(1,
+ "NAMEDAccept: failed to allocate memory for pipe addr\n");
+ close(str.fd);
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return -1;
+ }
+
+ memcpy(newciptr->addr,ciptr->addr,newciptr->addrlen);
+
+ newciptr->peeraddrlen=newciptr->addrlen;
+ if( (newciptr->peeraddr = malloc(newciptr->peeraddrlen)) == NULL ) {
+ prmsg(1,
+ "NAMEDAccept: failed to allocate memory for peer addr\n");
+ free(newciptr->addr);
+ close(str.fd);
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return -1;
+ }
+
+ memcpy(newciptr->peeraddr,newciptr->addr,newciptr->peeraddrlen);
+
+ *status = 0;
+
+ return str.fd;
+}
+
+#endif /* TRANS_SERVER */
+
+#endif /* LOCAL_TRANS_NAMED */
+
+
+
+#if defined(LOCAL_TRANS_SCO)
+
+/*
+ * connect_spipe is used by the SCO connection type.
+ */
+static int
+connect_spipe(int fd1, int fd2)
+{
+ long temp;
+ struct strfdinsert sbuf;
+
+ sbuf.databuf.maxlen = -1;
+ sbuf.databuf.len = -1;
+ sbuf.databuf.buf = NULL;
+ sbuf.ctlbuf.maxlen = sizeof(long);
+ sbuf.ctlbuf.len = sizeof(long);
+ sbuf.ctlbuf.buf = (caddr_t)&temp;
+ sbuf.offset = 0;
+ sbuf.fildes = fd2;
+ sbuf.flags = 0;
+
+ if( ioctl(fd1, I_FDINSERT, &sbuf) < 0 )
+ return(-1);
+
+ return(0);
+}
+
+/*
+ * named_spipe is used by the SCO connection type.
+ */
+
+static int
+named_spipe(int fd, char *path)
+
+{
+ int oldUmask, ret;
+ struct stat sbuf;
+
+ oldUmask = umask(0);
+
+ (void) fstat(fd, &sbuf);
+ ret = mknod(path, 0020666, sbuf.st_rdev);
+
+ umask(oldUmask);
+
+ if (ret < 0) {
+ ret = -1;
+ } else {
+ ret = fd;
+ }
+
+ return(ret);
+}
+
+#endif /* defined(LOCAL_TRANS_SCO) */
+
+
+
+
+#ifdef LOCAL_TRANS_SCO
+/* SCO */
+
+/*
+ * 2002-11-09 (jkj@sco.com)
+ *
+ * This code has been modified to match what is in the actual SCO X server.
+ * This greatly helps inter-operability between X11R6 and X11R5 (the native
+ * SCO server). Mainly, it relies on streams nodes existing in /dev, not
+ * creating them or unlinking them, which breaks the native X server.
+ *
+ * However, this is only for the X protocol. For all other protocols, we
+ * do in fact create the nodes, as only X11R6 will use them, and this makes
+ * it possible to have both types of clients running, otherwise we get all
+ * kinds of nasty errors on startup for anything that doesnt use the X
+ * protocol (like SM, when KDE starts up).
+ */
+
+#ifdef TRANS_CLIENT
+
+static int
+TRANS(SCOOpenClient)(XtransConnInfo ciptr, const char *port)
+{
+#ifdef SCORNODENAME
+ int fd, server, fl, ret;
+ char server_path[64];
+ struct strbuf ctlbuf;
+ unsigned long alarm_time;
+ void (*savef)();
+ long temp;
+ extern int getmsg(), putmsg();
+#endif
+
+ prmsg(2,"SCOOpenClient(%s)\n", port);
+ if (!port || !port[0])
+ port = "0";
+
+#if !defined(SCORNODENAME)
+ prmsg(2,"SCOOpenClient: Protocol is not supported by a SCO connection\n");
+ return -1;
+#else
+ (void) sprintf(server_path, SCORNODENAME, port);
+
+ if ((server = open(server_path, O_RDWR)) < 0) {
+ prmsg(1,"SCOOpenClient: failed to open %s\n", server_path);
+ return -1;
+ }
+
+ if ((fd = open(DEV_SPX, O_RDWR)) < 0) {
+ prmsg(1,"SCOOpenClient: failed to open %s\n", DEV_SPX);
+ close(server);
+ return -1;
+ }
+
+ (void) write(server, &server, 1);
+ ctlbuf.len = 0;
+ ctlbuf.maxlen = sizeof(long);
+ ctlbuf.buf = (caddr_t)&temp;
+ fl = 0;
+
+ savef = signal(SIGALRM, _dummy);
+ alarm_time = alarm(10);
+
+ ret = getmsg(server, &ctlbuf, 0, &fl);
+
+ (void) alarm(alarm_time);
+ (void) signal(SIGALRM, savef);
+
+ if (ret < 0) {
+ prmsg(1,"SCOOpenClient: error from getmsg\n");
+ close(fd);
+ close(server);
+ return -1;
+ }
+
+ /* The msg we got via getmsg is the result of an
+ * I_FDINSERT, so if we do a putmsg with whatever
+ * we recieved, we're doing another I_FDINSERT ...
+ */
+ (void) putmsg(fd, &ctlbuf, 0, 0);
+ (void) fcntl(fd,F_SETFL,fcntl(fd,F_GETFL,0)|O_NDELAY);
+
+ (void) close(server);
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+#if defined(X11_t) && defined(__SCO__)
+ ciptr->flags |= TRANS_NOUNLINK;
+#endif
+ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0)
+ {
+ prmsg(1,"SCOOpenClient: failed to fill addr info\n");
+ close(fd);
+ return -1;
+ }
+
+ return(fd);
+
+#endif /* !SCORNODENAME */
+}
+
+#endif /* TRANS_CLIENT */
+
+
+#ifdef TRANS_SERVER
+
+static int
+TRANS(SCOOpenServer)(XtransConnInfo ciptr, const char *port)
+{
+#ifdef SCORNODENAME
+ char serverR_path[64];
+ char serverS_path[64];
+ struct flock mylock;
+ int fdr = -1;
+ int fds = -1;
+#endif
+
+ prmsg(2,"SCOOpenServer(%s)\n", port);
+ if (!port || !port[0])
+ port = "0";
+
+#if !defined(SCORNODENAME)
+ prmsg(1,"SCOOpenServer: Protocol is not supported by a SCO connection\n");
+ return -1;
+#else
+ (void) sprintf(serverR_path, SCORNODENAME, port);
+ (void) sprintf(serverS_path, SCOSNODENAME, port);
+
+#if !defined(X11_t) || !defined(__SCO__)
+ unlink(serverR_path);
+ unlink(serverS_path);
+
+ if ((fds = open(DEV_SPX, O_RDWR)) < 0 ||
+ (fdr = open(DEV_SPX, O_RDWR)) < 0 ) {
+ prmsg(1,"SCOOpenServer: failed to open %s\n", DEV_SPX);
+ if (fds >= 0)
+ close(fds);
+ if (fdr >= 0)
+ close(fdr);
+ return -1;
+ }
+
+ if (named_spipe (fds, serverS_path) == -1) {
+ prmsg(1,"SCOOpenServer: failed to create %s\n", serverS_path);
+ close (fdr);
+ close (fds);
+ return -1;
+ }
+
+ if (named_spipe (fdr, serverR_path) == -1) {
+ prmsg(1,"SCOOpenServer: failed to create %s\n", serverR_path);
+ close (fdr);
+ close (fds);
+ return -1;
+ }
+#else /* X11_t */
+
+ fds = open (serverS_path, O_RDWR | O_NDELAY);
+ if (fds < 0) {
+ prmsg(1,"SCOOpenServer: failed to open %s\n", serverS_path);
+ return -1;
+ }
+
+ /*
+ * Lock the connection device for the duration of the server.
+ * This resolves multiple server starts especially on SMP machines.
+ */
+ mylock.l_type = F_WRLCK;
+ mylock.l_whence = 0;
+ mylock.l_start = 0;
+ mylock.l_len = 0;
+ if (fcntl (fds, F_SETLK, &mylock) < 0) {
+ prmsg(1,"SCOOpenServer: failed to lock %s\n", serverS_path);
+ close (fds);
+ return -1;
+ }
+
+ fdr = open (serverR_path, O_RDWR | O_NDELAY);
+ if (fdr < 0) {
+ prmsg(1,"SCOOpenServer: failed to open %s\n", serverR_path);
+ close (fds);
+ return -1;
+ }
+#endif /* X11_t */
+
+ if (connect_spipe(fds, fdr)) {
+ prmsg(1,"SCOOpenServer: ioctl(I_FDINSERT) failed on %s\n",
+ serverS_path);
+ close (fdr);
+ close (fds);
+ return -1;
+ }
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+#if defined(X11_t) && defined(__SCO__)
+ ciptr->flags |= TRANS_NOUNLINK;
+#endif
+ if (TRANS(FillAddrInfo) (ciptr, serverS_path, serverR_path) == 0) {
+ prmsg(1,"SCOOpenServer: failed to fill in addr info\n");
+ close(fds);
+ close(fdr);
+ return -1;
+ }
+
+ return(fds);
+
+#endif /* !SCORNODENAME */
+}
+
+static int
+TRANS(SCOAccept)(XtransConnInfo ciptr, XtransConnInfo newciptr, int *status)
+{
+ char c;
+ int fd;
+
+ prmsg(2,"SCOAccept(%d)\n", ciptr->fd);
+
+ if (read(ciptr->fd, &c, 1) < 0) {
+ prmsg(1,"SCOAccept: can't read from client\n");
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return(-1);
+ }
+
+ if( (fd = open(DEV_SPX, O_RDWR)) < 0 ) {
+ prmsg(1,"SCOAccept: can't open \"%s\"\n",DEV_SPX);
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return(-1);
+ }
+
+ if (connect_spipe (ciptr->fd, fd) < 0) {
+ prmsg(1,"SCOAccept: ioctl(I_FDINSERT) failed\n");
+ close (fd);
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return -1;
+ }
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+ newciptr->addrlen=ciptr->addrlen;
+ if( (newciptr->addr = malloc(newciptr->addrlen)) == NULL ) {
+ prmsg(1,
+ "SCOAccept: failed to allocate memory for peer addr\n");
+ close(fd);
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return -1;
+ }
+
+ memcpy(newciptr->addr,ciptr->addr,newciptr->addrlen);
+#if defined(__SCO__)
+ newciptr->flags |= TRANS_NOUNLINK;
+#endif
+
+ newciptr->peeraddrlen=newciptr->addrlen;
+ if( (newciptr->peeraddr = malloc(newciptr->peeraddrlen)) == NULL ) {
+ prmsg(1,
+ "SCOAccept: failed to allocate memory for peer addr\n");
+ free(newciptr->addr);
+ close(fd);
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return -1;
+ }
+
+ memcpy(newciptr->peeraddr,newciptr->addr,newciptr->peeraddrlen);
+
+ *status = 0;
+
+ return(fd);
+}
+
+#endif /* TRANS_SERVER */
+#endif /* LOCAL_TRANS_SCO */
+
+
+
+#ifdef TRANS_REOPEN
+#ifdef LOCAL_TRANS_PTS
+
+static int
+TRANS(PTSReopenServer)(XtransConnInfo ciptr, int fd, const char *port)
+
+{
+#ifdef PTSNODENAME
+ char server_path[64];
+#endif
+
+ prmsg(2,"PTSReopenServer(%d,%s)\n", fd, port);
+
+#if !defined(PTSNODENAME)
+ prmsg(1,"PTSReopenServer: Protocol is not supported by a pts connection\n");
+ return 0;
+#else
+ if (port && *port ) {
+ if( *port == '/' ) { /* A full pathname */
+ snprintf(server_path, sizeof(server_path), "%s", port);
+ } else {
+ snprintf(server_path, sizeof(server_path), "%s%s",
+ PTSNODENAME, port);
+ }
+ } else {
+ snprintf(server_path, sizeof(server_path), "%s%ld",
+ PTSNODENAME, (long)getpid());
+ }
+
+ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0)
+ {
+ prmsg(1,"PTSReopenServer: failed to fill in addr info\n");
+ return 0;
+ }
+
+ return 1;
+
+#endif /* !PTSNODENAME */
+}
+
+#endif /* LOCAL_TRANS_PTS */
+
+#ifdef LOCAL_TRANS_NAMED
+
+static int
+TRANS(NAMEDReopenServer)(XtransConnInfo ciptr, int fd _X_UNUSED, const char *port)
+
+{
+#ifdef NAMEDNODENAME
+ char server_path[64];
+#endif
+
+ prmsg(2,"NAMEDReopenServer(%s)\n", port);
+
+#if !defined(NAMEDNODENAME)
+ prmsg(1,"NAMEDReopenServer: Protocol is not supported by a NAMED connection\n");
+ return 0;
+#else
+ if ( port && *port ) {
+ if( *port == '/' ) { /* A full pathname */
+ snprintf(server_path, sizeof(server_path),"%s", port);
+ } else {
+ snprintf(server_path, sizeof(server_path), "%s%s",
+ NAMEDNODENAME, port);
+ }
+ } else {
+ snprintf(server_path, sizeof(server_path), "%s%ld",
+ NAMEDNODENAME, (long)getpid());
+ }
+
+ if (TRANS(FillAddrInfo) (ciptr, server_path, server_path) == 0)
+ {
+ prmsg(1,"NAMEDReopenServer: failed to fill in addr info\n");
+ return 0;
+ }
+
+ return 1;
+
+#endif /* !NAMEDNODENAME */
+}
+
+#endif /* LOCAL_TRANS_NAMED */
+
+
+#ifdef LOCAL_TRANS_SCO
+static int
+TRANS(SCOReopenServer)(XtransConnInfo ciptr, int fd, const char *port)
+
+{
+#ifdef SCORNODENAME
+ char serverR_path[64], serverS_path[64];
+#endif
+
+ prmsg(2,"SCOReopenServer(%s)\n", port);
+ if (!port || !port[0])
+ port = "0";
+
+#if !defined(SCORNODENAME)
+ prmsg(2,"SCOReopenServer: Protocol is not supported by a SCO connection\n");
+ return 0;
+#else
+ (void) sprintf(serverR_path, SCORNODENAME, port);
+ (void) sprintf(serverS_path, SCOSNODENAME, port);
+
+#if defined(X11_t) && defined(__SCO__)
+ ciptr->flags |= TRANS_NOUNLINK;
+#endif
+ if (TRANS(FillAddrInfo) (ciptr, serverS_path, serverR_path) == 0)
+ {
+ prmsg(1, "SCOReopenServer: failed to fill in addr info\n");
+ return 0;
+ }
+
+ return 1;
+
+#endif /* SCORNODENAME */
+}
+
+#endif /* LOCAL_TRANS_SCO */
+
+#endif /* TRANS_REOPEN */
+
+
+
+/*
+ * This table contains all of the entry points for the different local
+ * connection mechanisms.
+ */
+
+typedef struct _LOCALtrans2dev {
+ const char *transname;
+
+#ifdef TRANS_CLIENT
+
+ int (*devcotsopenclient)(
+ XtransConnInfo, const char * /*port*/
+);
+
+#endif /* TRANS_CLIENT */
+
+#ifdef TRANS_SERVER
+
+ int (*devcotsopenserver)(
+ XtransConnInfo, const char * /*port*/
+);
+
+#endif /* TRANS_SERVER */
+
+#ifdef TRANS_CLIENT
+
+ int (*devcltsopenclient)(
+ XtransConnInfo, const char * /*port*/
+);
+
+#endif /* TRANS_CLIENT */
+
+#ifdef TRANS_SERVER
+
+ int (*devcltsopenserver)(
+ XtransConnInfo, const char * /*port*/
+);
+
+#endif /* TRANS_SERVER */
+
+#ifdef TRANS_REOPEN
+
+ int (*devcotsreopenserver)(
+ XtransConnInfo,
+ int, /* fd */
+ const char * /* port */
+);
+
+ int (*devcltsreopenserver)(
+ XtransConnInfo,
+ int, /* fd */
+ const char * /* port */
+);
+
+#endif /* TRANS_REOPEN */
+
+#ifdef TRANS_SERVER
+
+ int (*devreset)(
+ XtransConnInfo /* ciptr */
+);
+
+ int (*devaccept)(
+ XtransConnInfo, XtransConnInfo, int *
+);
+
+#endif /* TRANS_SERVER */
+
+} LOCALtrans2dev;
+
+static LOCALtrans2dev LOCALtrans2devtab[] = {
+#ifdef LOCAL_TRANS_PTS
+{"",
+#ifdef TRANS_CLIENT
+ TRANS(PTSOpenClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(PTSOpenServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(OpenFail),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(OpenFail),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(PTSReopenServer),
+ TRANS(ReopenFail),
+#endif
+#ifdef TRANS_SERVER
+ NULL, /* ResetListener */
+ TRANS(PTSAccept)
+#endif /* TRANS_SERVER */
+},
+
+{"local",
+#ifdef TRANS_CLIENT
+ TRANS(PTSOpenClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(PTSOpenServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(OpenFail),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(OpenFail),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(PTSReopenServer),
+ TRANS(ReopenFail),
+#endif
+#ifdef TRANS_SERVER
+ NULL, /* ResetListener */
+ TRANS(PTSAccept)
+#endif /* TRANS_SERVER */
+},
+
+{"pts",
+#ifdef TRANS_CLIENT
+ TRANS(PTSOpenClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(PTSOpenServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(OpenFail),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(OpenFail),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(PTSReopenServer),
+ TRANS(ReopenFail),
+#endif
+#ifdef TRANS_SERVER
+ NULL, /* ResetListener */
+ TRANS(PTSAccept)
+#endif /* TRANS_SERVER */
+},
+#else /* !LOCAL_TRANS_PTS */
+{"",
+#ifdef TRANS_CLIENT
+ TRANS(NAMEDOpenClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(NAMEDOpenServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(OpenFail),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(OpenFail),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(NAMEDReopenServer),
+ TRANS(ReopenFail),
+#endif
+#ifdef TRANS_SERVER
+ TRANS(NAMEDResetListener),
+ TRANS(NAMEDAccept)
+#endif /* TRANS_SERVER */
+},
+
+{"local",
+#ifdef TRANS_CLIENT
+ TRANS(NAMEDOpenClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(NAMEDOpenServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(OpenFail),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(OpenFail),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(NAMEDReopenServer),
+ TRANS(ReopenFail),
+#endif
+#ifdef TRANS_SERVER
+ TRANS(NAMEDResetListener),
+ TRANS(NAMEDAccept)
+#endif /* TRANS_SERVER */
+},
+#endif /* !LOCAL_TRANS_PTS */
+
+#ifdef LOCAL_TRANS_NAMED
+{"named",
+#ifdef TRANS_CLIENT
+ TRANS(NAMEDOpenClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(NAMEDOpenServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(OpenFail),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(OpenFail),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(NAMEDReopenServer),
+ TRANS(ReopenFail),
+#endif
+#ifdef TRANS_SERVER
+ TRANS(NAMEDResetListener),
+ TRANS(NAMEDAccept)
+#endif /* TRANS_SERVER */
+},
+
+#ifdef __sun /* Alias "pipe" to named, since that's what Solaris called it */
+{"pipe",
+#ifdef TRANS_CLIENT
+ TRANS(NAMEDOpenClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(NAMEDOpenServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(OpenFail),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(OpenFail),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(NAMEDReopenServer),
+ TRANS(ReopenFail),
+#endif
+#ifdef TRANS_SERVER
+ TRANS(NAMEDResetListener),
+ TRANS(NAMEDAccept)
+#endif /* TRANS_SERVER */
+},
+#endif /* __sun */
+#endif /* LOCAL_TRANS_NAMED */
+
+
+#ifdef LOCAL_TRANS_SCO
+{"sco",
+#ifdef TRANS_CLIENT
+ TRANS(SCOOpenClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(SCOOpenServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(OpenFail),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ TRANS(OpenFail),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(SCOReopenServer),
+ TRANS(ReopenFail),
+#endif
+#ifdef TRANS_SERVER
+ NULL, /* ResetListener */
+ TRANS(SCOAccept)
+#endif /* TRANS_SERVER */
+},
+#endif /* LOCAL_TRANS_SCO */
+};
+
+#define NUMTRANSPORTS (sizeof(LOCALtrans2devtab)/sizeof(LOCALtrans2dev))
+
+static const char *XLOCAL=NULL;
+static char *workingXLOCAL=NULL;
+static char *freeXLOCAL=NULL;
+
+#if defined(__SCO__)
+#define DEF_XLOCAL "SCO:UNIX:PTS"
+#elif defined(__UNIXWARE__)
+#define DEF_XLOCAL "UNIX:PTS:NAMED:SCO"
+#elif defined(__sun)
+#define DEF_XLOCAL "UNIX:NAMED"
+#else
+#define DEF_XLOCAL "UNIX:PTS:NAMED:SCO"
+#endif
+
+static void
+TRANS(LocalInitTransports)(const char *protocol)
+
+{
+ prmsg(3,"LocalInitTransports(%s)\n", protocol);
+
+ if( strcmp(protocol,"local") && strcmp(protocol,"LOCAL") )
+ {
+ workingXLOCAL = freeXLOCAL = strdup (protocol);
+ }
+ else {
+ XLOCAL=(char *)getenv("XLOCAL");
+ if(XLOCAL==NULL)
+ XLOCAL=DEF_XLOCAL;
+ workingXLOCAL = freeXLOCAL = strdup (XLOCAL);
+ }
+}
+
+static void
+TRANS(LocalEndTransports)(void)
+
+{
+ prmsg(3,"LocalEndTransports()\n");
+ free(freeXLOCAL);
+}
+
+#define TYPEBUFSIZE 32
+
+#ifdef TRANS_CLIENT
+
+static LOCALtrans2dev *
+TRANS(LocalGetNextTransport)(void)
+
+{
+ int i,j;
+ char *typetocheck;
+ char typebuf[TYPEBUFSIZE];
+ prmsg(3,"LocalGetNextTransport()\n");
+
+ while(1)
+ {
+ if( workingXLOCAL == NULL || *workingXLOCAL == '\0' )
+ return NULL;
+
+ typetocheck=workingXLOCAL;
+ workingXLOCAL=strchr(workingXLOCAL,':');
+ if(workingXLOCAL && *workingXLOCAL)
+ *workingXLOCAL++='\0';
+
+ for(i=0;i<NUMTRANSPORTS;i++)
+ {
+ /*
+ * This is equivalent to a case insensitive strcmp(),
+ * but should be more portable.
+ */
+ strncpy(typebuf,typetocheck,TYPEBUFSIZE);
+ for(j=0;j<TYPEBUFSIZE;j++)
+ if (isupper(typebuf[j]))
+ typebuf[j]=tolower(typebuf[j]);
+
+ /* Now, see if they match */
+ if(!strcmp(LOCALtrans2devtab[i].transname,typebuf))
+ return &LOCALtrans2devtab[i];
+ }
+ }
+#if 0
+ /*NOTREACHED*/
+ return NULL;
+#endif
+}
+
+#ifdef NEED_UTSNAME
+#include <sys/utsname.h>
+#endif
+
+/*
+ * Make sure 'host' is really local.
+ */
+
+static int
+HostReallyLocal (const char *host)
+
+{
+ /*
+ * The 'host' passed to this function may have been generated
+ * by either uname() or gethostname(). We try both if possible.
+ */
+
+#ifdef NEED_UTSNAME
+ struct utsname name;
+#endif
+ char buf[256];
+
+#ifdef NEED_UTSNAME
+ if (uname (&name) >= 0 && strcmp (host, name.nodename) == 0)
+ return (1);
+#endif
+
+ buf[0] = '\0';
+ (void) gethostname (buf, 256);
+ buf[255] = '\0';
+
+ if (strcmp (host, buf) == 0)
+ return (1);
+
+ return (0);
+}
+
+
+static XtransConnInfo
+TRANS(LocalOpenClient)(int type, const char *protocol,
+ const char *host, const char *port)
+
+{
+ LOCALtrans2dev *transptr;
+ XtransConnInfo ciptr;
+ int index;
+
+ prmsg(3,"LocalOpenClient()\n");
+
+ /*
+ * Make sure 'host' is really local. If not, we return failure.
+ * The reason we make this check is because a process may advertise
+ * a "local" address for which it can accept connections, but if a
+ * process on a remote machine tries to connect to this address,
+ * we know for sure it will fail.
+ */
+
+ if (strcmp (host, "unix") != 0 && !HostReallyLocal (host))
+ {
+ prmsg (1,
+ "LocalOpenClient: Cannot connect to non-local host %s\n",
+ host);
+ return NULL;
+ }
+
+
+#if defined(X11_t)
+ /*
+ * X has a well known port, that is transport dependant. It is easier
+ * to handle it here, than try and come up with a transport independent
+ * representation that can be passed in and resolved the usual way.
+ *
+ * The port that is passed here is really a string containing the idisplay
+ * from ConnectDisplay(). Since that is what we want for the local transports,
+ * we don't have to do anything special.
+ */
+#endif /* X11_t */
+
+ if( (ciptr = calloc(1,sizeof(struct _XtransConnInfo))) == NULL )
+ {
+ prmsg(1,"LocalOpenClient: calloc(1,%lu) failed\n",
+ sizeof(struct _XtransConnInfo));
+ return NULL;
+ }
+
+ ciptr->fd = -1;
+
+ TRANS(LocalInitTransports)(protocol);
+
+ index = 0;
+ for(transptr=TRANS(LocalGetNextTransport)();
+ transptr!=NULL;transptr=TRANS(LocalGetNextTransport)(), index++)
+ {
+ switch( type )
+ {
+ case XTRANS_OPEN_COTS_CLIENT:
+ ciptr->fd=transptr->devcotsopenclient(ciptr,port);
+ break;
+ case XTRANS_OPEN_COTS_SERVER:
+ prmsg(1,
+ "LocalOpenClient: Should not be opening a server with this function\n");
+ break;
+ default:
+ prmsg(1,
+ "LocalOpenClient: Unknown Open type %d\n",
+ type);
+ }
+ if( ciptr->fd >= 0 )
+ break;
+ }
+
+ TRANS(LocalEndTransports)();
+
+ if( ciptr->fd < 0 )
+ {
+ free(ciptr);
+ return NULL;
+ }
+
+ ciptr->priv=(char *)transptr;
+ ciptr->index = index;
+
+ return ciptr;
+}
+
+#endif /* TRANS_CLIENT */
+
+
+#ifdef TRANS_SERVER
+
+static XtransConnInfo
+TRANS(LocalOpenServer)(int type, const char *protocol,
+ const char *host _X_UNUSED, const char *port)
+
+{
+ int i;
+ XtransConnInfo ciptr;
+
+ prmsg(2,"LocalOpenServer(%d,%s,%s)\n", type, protocol, port);
+
+#if defined(X11_t)
+ /*
+ * For X11, the port will be in the format xserverN where N is the
+ * display number. All of the local connections just need to know
+ * the display number because they don't do any name resolution on
+ * the port. This just truncates port to the display portion.
+ */
+#endif /* X11_t */
+
+ if( (ciptr = calloc(1,sizeof(struct _XtransConnInfo))) == NULL )
+ {
+ prmsg(1,"LocalOpenServer: calloc(1,%lu) failed\n",
+ sizeof(struct _XtransConnInfo));
+ return NULL;
+ }
+
+ for(i=1;i<NUMTRANSPORTS;i++)
+ {
+ if( strcmp(protocol,LOCALtrans2devtab[i].transname) != 0 )
+ continue;
+ switch( type )
+ {
+ case XTRANS_OPEN_COTS_CLIENT:
+ prmsg(1,
+ "LocalOpenServer: Should not be opening a client with this function\n");
+ break;
+ case XTRANS_OPEN_COTS_SERVER:
+ ciptr->fd=LOCALtrans2devtab[i].devcotsopenserver(ciptr,port);
+ break;
+ default:
+ prmsg(1,"LocalOpenServer: Unknown Open type %d\n",
+ type );
+ }
+ if( ciptr->fd >= 0 ) {
+ ciptr->priv=(char *)&LOCALtrans2devtab[i];
+ ciptr->index=i;
+ ciptr->flags = 1 | (ciptr->flags & TRANS_KEEPFLAGS);
+ return ciptr;
+ }
+ }
+
+ free(ciptr);
+ return NULL;
+}
+
+#endif /* TRANS_SERVER */
+
+
+#ifdef TRANS_REOPEN
+
+static XtransConnInfo
+TRANS(LocalReopenServer)(int type, int index, int fd, const char *port)
+
+{
+ XtransConnInfo ciptr;
+ int stat = 0;
+
+ prmsg(2,"LocalReopenServer(%d,%d,%d)\n", type, index, fd);
+
+ if( (ciptr = calloc(1,sizeof(struct _XtransConnInfo))) == NULL )
+ {
+ prmsg(1,"LocalReopenServer: calloc(1,%lu) failed\n",
+ sizeof(struct _XtransConnInfo));
+ return NULL;
+ }
+
+ ciptr->fd = fd;
+
+ switch( type )
+ {
+ case XTRANS_OPEN_COTS_SERVER:
+ stat = LOCALtrans2devtab[index].devcotsreopenserver(ciptr,fd,port);
+ break;
+ default:
+ prmsg(1,"LocalReopenServer: Unknown Open type %d\n",
+ type );
+ }
+
+ if( stat > 0 ) {
+ ciptr->priv=(char *)&LOCALtrans2devtab[index];
+ ciptr->index=index;
+ ciptr->flags = 1 | (ciptr->flags & TRANS_KEEPFLAGS);
+ return ciptr;
+ }
+
+ free(ciptr);
+ return NULL;
+}
+
+#endif /* TRANS_REOPEN */
+
+
+
+/*
+ * This is the Local implementation of the X Transport service layer
+ */
+
+#ifdef TRANS_CLIENT
+
+static XtransConnInfo
+TRANS(LocalOpenCOTSClient)(Xtransport *thistrans _X_UNUSED, const char *protocol,
+ const char *host, const char *port)
+
+{
+ prmsg(2,"LocalOpenCOTSClient(%s,%s,%s)\n",protocol,host,port);
+
+ return TRANS(LocalOpenClient)(XTRANS_OPEN_COTS_CLIENT, protocol, host, port);
+}
+
+#endif /* TRANS_CLIENT */
+
+
+#ifdef TRANS_SERVER
+
+static XtransConnInfo
+TRANS(LocalOpenCOTSServer)(Xtransport *thistrans, const char *protocol,
+ const char *host, const char *port)
+
+{
+ char *typetocheck = NULL;
+ int found = 0;
+ char typebuf[TYPEBUFSIZE];
+
+ prmsg(2,"LocalOpenCOTSServer(%s,%s,%s)\n",protocol,host,port);
+
+ /* Check if this local type is in the XLOCAL list */
+ TRANS(LocalInitTransports)("local");
+ typetocheck = workingXLOCAL;
+ while (typetocheck && !found) {
+ int j;
+
+ workingXLOCAL = strchr(workingXLOCAL, ':');
+ if (workingXLOCAL && *workingXLOCAL)
+ *workingXLOCAL++ = '\0';
+ strncpy(typebuf, typetocheck, TYPEBUFSIZE);
+ for (j = 0; j < TYPEBUFSIZE; j++)
+ if (isupper(typebuf[j]))
+ typebuf[j] = tolower(typebuf[j]);
+ if (!strcmp(thistrans->TransName, typebuf))
+ found = 1;
+ typetocheck = workingXLOCAL;
+ }
+ TRANS(LocalEndTransports)();
+
+ if (!found) {
+ prmsg(3,"LocalOpenCOTSServer: disabling %s\n",thistrans->TransName);
+ thistrans->flags |= TRANS_DISABLED;
+ return NULL;
+ }
+
+ return TRANS(LocalOpenServer)(XTRANS_OPEN_COTS_SERVER, protocol, host, port);
+}
+
+#endif /* TRANS_SERVER */
+
+#ifdef TRANS_REOPEN
+
+static XtransConnInfo
+TRANS(LocalReopenCOTSServer)(Xtransport *thistrans, int fd, const char *port)
+
+{
+ int index;
+
+ prmsg(2,"LocalReopenCOTSServer(%d,%s)\n", fd, port);
+
+ for(index=1;index<NUMTRANSPORTS;index++)
+ {
+ if( strcmp(thistrans->TransName,
+ LOCALtrans2devtab[index].transname) == 0 )
+ break;
+ }
+
+ if (index >= NUMTRANSPORTS)
+ {
+ return (NULL);
+ }
+
+ return TRANS(LocalReopenServer)(XTRANS_OPEN_COTS_SERVER,
+ index, fd, port);
+}
+
+#endif /* TRANS_REOPEN */
+
+
+
+static int
+TRANS(LocalSetOption)(XtransConnInfo ciptr, int option, int arg)
+
+{
+ prmsg(2,"LocalSetOption(%d,%d,%d)\n",ciptr->fd,option,arg);
+
+ return -1;
+}
+
+
+#ifdef TRANS_SERVER
+
+static int
+TRANS(LocalCreateListener)(XtransConnInfo ciptr, const char *port,
+ unsigned int flags _X_UNUSED)
+
+{
+ prmsg(2,"LocalCreateListener(%p->%d,%s)\n",ciptr,ciptr->fd,port);
+
+ return 0;
+}
+
+static int
+TRANS(LocalResetListener)(XtransConnInfo ciptr)
+
+{
+ LOCALtrans2dev *transptr;
+
+ prmsg(2,"LocalResetListener(%p)\n",ciptr);
+
+ transptr=(LOCALtrans2dev *)ciptr->priv;
+ if (transptr->devreset != NULL) {
+ return transptr->devreset(ciptr);
+ }
+ return TRANS_RESET_NOOP;
+}
+
+
+static XtransConnInfo
+TRANS(LocalAccept)(XtransConnInfo ciptr, int *status)
+
+{
+ XtransConnInfo newciptr;
+ LOCALtrans2dev *transptr;
+
+ prmsg(2,"LocalAccept(%p->%d)\n", ciptr, ciptr->fd);
+
+ transptr=(LOCALtrans2dev *)ciptr->priv;
+
+ if( (newciptr = calloc(1,sizeof(struct _XtransConnInfo)))==NULL )
+ {
+ prmsg(1,"LocalAccept: calloc(1,%lu) failed\n",
+ sizeof(struct _XtransConnInfo));
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return NULL;
+ }
+
+ newciptr->fd=transptr->devaccept(ciptr,newciptr,status);
+
+ if( newciptr->fd < 0 )
+ {
+ free(newciptr);
+ return NULL;
+ }
+
+ newciptr->priv=(char *)transptr;
+ newciptr->index = ciptr->index;
+
+ *status = 0;
+
+ return newciptr;
+}
+
+#endif /* TRANS_SERVER */
+
+
+#ifdef TRANS_CLIENT
+
+static int
+TRANS(LocalConnect)(XtransConnInfo ciptr,
+ const char *host _X_UNUSED, const char *port)
+
+{
+ prmsg(2,"LocalConnect(%p->%d,%s)\n", ciptr, ciptr->fd, port);
+
+ return 0;
+}
+
+#endif /* TRANS_CLIENT */
+
+
+static int
+TRANS(LocalBytesReadable)(XtransConnInfo ciptr, BytesReadable_t *pend )
+
+{
+ prmsg(2,"LocalBytesReadable(%p->%d,%p)\n", ciptr, ciptr->fd, pend);
+
+#if defined(SCO325)
+ return ioctl(ciptr->fd, I_NREAD, (char *)pend);
+#else
+ return ioctl(ciptr->fd, FIONREAD, (char *)pend);
+#endif
+}
+
+static int
+TRANS(LocalRead)(XtransConnInfo ciptr, char *buf, int size)
+
+{
+ prmsg(2,"LocalRead(%d,%p,%d)\n", ciptr->fd, buf, size );
+
+ return read(ciptr->fd,buf,size);
+}
+
+static int
+TRANS(LocalWrite)(XtransConnInfo ciptr, char *buf, int size)
+
+{
+ prmsg(2,"LocalWrite(%d,%p,%d)\n", ciptr->fd, buf, size );
+
+ return write(ciptr->fd,buf,size);
+}
+
+static int
+TRANS(LocalReadv)(XtransConnInfo ciptr, struct iovec *buf, int size)
+
+{
+ prmsg(2,"LocalReadv(%d,%p,%d)\n", ciptr->fd, buf, size );
+
+ return READV(ciptr,buf,size);
+}
+
+static int
+TRANS(LocalWritev)(XtransConnInfo ciptr, struct iovec *buf, int size)
+
+{
+ prmsg(2,"LocalWritev(%d,%p,%d)\n", ciptr->fd, buf, size );
+
+ return WRITEV(ciptr,buf,size);
+}
+
+static int
+TRANS(LocalDisconnect)(XtransConnInfo ciptr)
+
+{
+ prmsg(2,"LocalDisconnect(%p->%d)\n", ciptr, ciptr->fd);
+
+ return 0;
+}
+
+static int
+TRANS(LocalClose)(XtransConnInfo ciptr)
+
+{
+ struct sockaddr_un *sockname=(struct sockaddr_un *) ciptr->addr;
+ int ret;
+
+ prmsg(2,"LocalClose(%p->%d)\n", ciptr, ciptr->fd );
+
+ ret=close(ciptr->fd);
+
+ if(ciptr->flags
+ && sockname
+ && sockname->sun_family == AF_UNIX
+ && sockname->sun_path[0] )
+ {
+ if (!(ciptr->flags & TRANS_NOUNLINK))
+ unlink(sockname->sun_path);
+ }
+
+ return ret;
+}
+
+static int
+TRANS(LocalCloseForCloning)(XtransConnInfo ciptr)
+
+{
+ int ret;
+
+ prmsg(2,"LocalCloseForCloning(%p->%d)\n", ciptr, ciptr->fd );
+
+ /* Don't unlink path */
+
+ ret=close(ciptr->fd);
+
+ return ret;
+}
+
+
+/*
+ * MakeAllCOTSServerListeners() will go through the entire Xtransports[]
+ * array defined in Xtrans.c and try to OpenCOTSServer() for each entry.
+ * We will add duplicate entries to that table so that the OpenCOTSServer()
+ * function will get called once for each type of local transport.
+ *
+ * The TransName is in lowercase, so it will never match during a normal
+ * call to SelectTransport() in Xtrans.c.
+ */
+
+#ifdef TRANS_SERVER
+static const char * local_aliases[] = {
+# ifdef LOCAL_TRANS_PTS
+ "pts",
+# endif
+ "named",
+# ifdef __sun
+ "pipe", /* compatibility with Solaris Xlib */
+# endif
+# ifdef LOCAL_TRANS_SCO
+ "sco",
+# endif
+ NULL };
+#endif
+
+Xtransport TRANS(LocalFuncs) = {
+ /* Local Interface */
+ "local",
+ TRANS_ALIAS | TRANS_LOCAL,
+#ifdef TRANS_CLIENT
+ TRANS(LocalOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ local_aliases,
+ TRANS(LocalOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(LocalReopenCOTSServer),
+#endif
+ TRANS(LocalSetOption),
+#ifdef TRANS_SERVER
+ TRANS(LocalCreateListener),
+ TRANS(LocalResetListener),
+ TRANS(LocalAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(LocalConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(LocalBytesReadable),
+ TRANS(LocalRead),
+ TRANS(LocalWrite),
+ TRANS(LocalReadv),
+ TRANS(LocalWritev),
+#if XTRANS_SEND_FDS
+ TRANS(LocalSendFdInvalid),
+ TRANS(LocalRecvFdInvalid),
+#endif
+ TRANS(LocalDisconnect),
+ TRANS(LocalClose),
+ TRANS(LocalCloseForCloning),
+};
+
+#ifdef LOCAL_TRANS_PTS
+
+Xtransport TRANS(PTSFuncs) = {
+ /* Local Interface */
+ "pts",
+ TRANS_LOCAL,
+#ifdef TRANS_CLIENT
+ TRANS(LocalOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ NULL,
+ TRANS(LocalOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(LocalReopenCOTSServer),
+#endif
+ TRANS(LocalSetOption),
+#ifdef TRANS_SERVER
+ TRANS(LocalCreateListener),
+ TRANS(LocalResetListener),
+ TRANS(LocalAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(LocalConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(LocalBytesReadable),
+ TRANS(LocalRead),
+ TRANS(LocalWrite),
+ TRANS(LocalReadv),
+ TRANS(LocalWritev),
+#if XTRANS_SEND_FDS
+ TRANS(LocalSendFdInvalid),
+ TRANS(LocalRecvFdInvalid),
+#endif
+ TRANS(LocalDisconnect),
+ TRANS(LocalClose),
+ TRANS(LocalCloseForCloning),
+};
+
+#endif /* LOCAL_TRANS_PTS */
+
+#ifdef LOCAL_TRANS_NAMED
+
+Xtransport TRANS(NAMEDFuncs) = {
+ /* Local Interface */
+ "named",
+ TRANS_LOCAL,
+#ifdef TRANS_CLIENT
+ TRANS(LocalOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ NULL,
+ TRANS(LocalOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(LocalReopenCOTSServer),
+#endif
+ TRANS(LocalSetOption),
+#ifdef TRANS_SERVER
+ TRANS(LocalCreateListener),
+ TRANS(LocalResetListener),
+ TRANS(LocalAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(LocalConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(LocalBytesReadable),
+ TRANS(LocalRead),
+ TRANS(LocalWrite),
+ TRANS(LocalReadv),
+ TRANS(LocalWritev),
+#if XTRANS_SEND_FDS
+ TRANS(LocalSendFdInvalid),
+ TRANS(LocalRecvFdInvalid),
+#endif
+ TRANS(LocalDisconnect),
+ TRANS(LocalClose),
+ TRANS(LocalCloseForCloning),
+};
+
+#ifdef __sun
+Xtransport TRANS(PIPEFuncs) = {
+ /* Local Interface */
+ "pipe",
+ TRANS_ALIAS | TRANS_LOCAL,
+#ifdef TRANS_CLIENT
+ TRANS(LocalOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ NULL,
+ TRANS(LocalOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(LocalReopenCOTSServer),
+#endif
+ TRANS(LocalSetOption),
+#ifdef TRANS_SERVER
+ TRANS(LocalCreateListener),
+ TRANS(LocalResetListener),
+ TRANS(LocalAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(LocalConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(LocalBytesReadable),
+ TRANS(LocalRead),
+ TRANS(LocalWrite),
+ TRANS(LocalReadv),
+ TRANS(LocalWritev),
+#if XTRANS_SEND_FDS
+ TRANS(LocalSendFdInvalid),
+ TRANS(LocalRecvFdInvalid),
+#endif
+ TRANS(LocalDisconnect),
+ TRANS(LocalClose),
+ TRANS(LocalCloseForCloning),
+};
+#endif /* __sun */
+#endif /* LOCAL_TRANS_NAMED */
+
+
+#ifdef LOCAL_TRANS_SCO
+Xtransport TRANS(SCOFuncs) = {
+ /* Local Interface */
+ "sco",
+ TRANS_LOCAL,
+#ifdef TRANS_CLIENT
+ TRANS(LocalOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ NULL,
+ TRANS(LocalOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(LocalReopenCOTSServer),
+#endif
+ TRANS(LocalSetOption),
+#ifdef TRANS_SERVER
+ TRANS(LocalCreateListener),
+ TRANS(LocalResetListener),
+ TRANS(LocalAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(LocalConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(LocalBytesReadable),
+ TRANS(LocalRead),
+ TRANS(LocalWrite),
+ TRANS(LocalReadv),
+ TRANS(LocalWritev),
+#if XTRANS_SEND_FDS
+ TRANS(LocalSendFdInvalid),
+ TRANS(LocalRecvFdInvalid),
+#endif
+ TRANS(LocalDisconnect),
+ TRANS(LocalClose),
+ TRANS(LocalCloseForCloning),
+};
+#endif /* LOCAL_TRANS_SCO */
diff --git a/nx-X11/lib/include/xtrans/Xtranssock.c b/nx-X11/lib/include/xtrans/Xtranssock.c
new file mode 100644
index 000000000..dff217e9d
--- /dev/null
+++ b/nx-X11/lib/include/xtrans/Xtranssock.c
@@ -0,0 +1,3554 @@
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
+/* */
+/* nx-X11, NX protocol compression and NX extensions to this software */
+/* are copyright of the aforementioned persons and companies. */
+/* */
+/* Redistribution and use of the present software is allowed according */
+/* to terms specified in the file LICENSE which comes in the source */
+/* distribution. */
+/* */
+/* All rights reserved. */
+/* */
+/* NOTE: This software has received contributions from various other */
+/* contributors, only the core maintainers and supporters are listed as */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well. */
+/* */
+/**************************************************************************/
+
+/*
+ * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+/*
+
+Copyright 1993, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the copyright holders shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from the copyright holders.
+
+ * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name NCR not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. NCR makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef NX_TRANS_SOCKET
+
+#ifdef NX_TRANS_DEBUG
+#define XTRANSDEBUG 5
+#endif
+
+#ifndef PF_LOCAL
+#define PF_LOCAL PF_UNIX
+#endif
+
+#endif
+
+#include <ctype.h>
+#ifdef XTHREADS
+#include <nx-X11/Xthreads.h>
+#endif
+
+#ifndef WIN32
+
+#if defined(TCPCONN) || defined(UNIXCONN)
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#endif
+
+#if defined(TCPCONN) || defined(UNIXCONN)
+#define X_INCLUDE_NETDB_H
+#define XOS_USE_NO_LOCKING
+#include <nx-X11/Xos_r.h>
+#endif
+
+#ifdef UNIXCONN
+#ifndef X_NO_SYS_UN
+#include <sys/un.h>
+#endif
+#include <sys/stat.h>
+#endif
+
+
+#ifndef NO_TCP_H
+#if defined(linux) || defined(__GLIBC__)
+#include <sys/param.h>
+#endif /* linux || __GLIBC__ */
+#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__DragonFly__)
+#include <sys/param.h>
+#include <machine/endian.h>
+#endif /* __NetBSD__ || __OpenBSD__ || __FreeBSD__ || __DragonFly__ */
+#include <netinet/tcp.h>
+#endif /* !NO_TCP_H */
+
+#include <sys/ioctl.h>
+#if defined(SVR4) || defined(__SVR4)
+#include <sys/filio.h>
+#endif
+
+#include <unistd.h>
+
+#else /* !WIN32 */
+
+#include <nx-X11/Xwinsock.h>
+#include <nx-X11/Xwindows.h>
+#include <nx-X11/Xw32defs.h>
+#undef close
+#define close closesocket
+#define ECONNREFUSED WSAECONNREFUSED
+#define EADDRINUSE WSAEADDRINUSE
+#define EPROTOTYPE WSAEPROTOTYPE
+#undef EWOULDBLOCK
+#define EWOULDBLOCK WSAEWOULDBLOCK
+#define EINPROGRESS WSAEINPROGRESS
+#undef EINTR
+#define EINTR WSAEINTR
+#define X_INCLUDE_NETDB_H
+#define XOS_USE_MTSAFE_NETDBAPI
+#include <nx-X11/Xos_r.h>
+#endif /* WIN32 */
+
+#if defined(SO_DONTLINGER) && defined(SO_LINGER)
+#undef SO_DONTLINGER
+#endif
+
+/* others don't need this */
+#define SocketInitOnce() /**/
+
+#ifdef linux
+#define HAVE_ABSTRACT_SOCKETS
+#endif
+
+#define MIN_BACKLOG 128
+#ifdef SOMAXCONN
+#if SOMAXCONN > MIN_BACKLOG
+#define BACKLOG SOMAXCONN
+#endif
+#endif
+#ifndef BACKLOG
+#define BACKLOG MIN_BACKLOG
+#endif
+
+/*
+ * This is the Socket implementation of the X Transport service layer
+ *
+ * This file contains the implementation for both the UNIX and INET domains,
+ * and can be built for either one, or both.
+ *
+ */
+
+typedef struct _Sockettrans2dev {
+ const char *transname;
+ int family;
+ int devcotsname;
+ int devcltsname;
+ int protocol;
+} Sockettrans2dev;
+
+static Sockettrans2dev Sockettrans2devtab[] = {
+#ifdef TCPCONN
+ {"inet",AF_INET,SOCK_STREAM,SOCK_DGRAM,0},
+#if !defined(IPv6) || !defined(AF_INET6)
+ {"tcp",AF_INET,SOCK_STREAM,SOCK_DGRAM,0},
+#else /* IPv6 */
+ {"tcp",AF_INET6,SOCK_STREAM,SOCK_DGRAM,0},
+ {"tcp",AF_INET,SOCK_STREAM,SOCK_DGRAM,0}, /* fallback */
+ {"inet6",AF_INET6,SOCK_STREAM,SOCK_DGRAM,0},
+#endif
+#endif /* TCPCONN */
+#ifdef UNIXCONN
+ {"unix",AF_UNIX,SOCK_STREAM,SOCK_DGRAM,0},
+#if !defined(LOCALCONN)
+ {"local",AF_UNIX,SOCK_STREAM,SOCK_DGRAM,0},
+#endif /* !LOCALCONN */
+#endif /* UNIXCONN */
+};
+
+#define NUMSOCKETFAMILIES (sizeof(Sockettrans2devtab)/sizeof(Sockettrans2dev))
+
+#ifdef TCPCONN
+static int TRANS(SocketINETClose) (XtransConnInfo ciptr);
+#endif
+
+#ifdef UNIXCONN
+
+
+#if defined(X11_t)
+#define UNIX_PATH "/tmp/.X11-unix/X"
+#define UNIX_DIR "/tmp/.X11-unix"
+#endif /* X11_t */
+#if defined(XIM_t)
+#define UNIX_PATH "/tmp/.XIM-unix/XIM"
+#define UNIX_DIR "/tmp/.XIM-unix"
+#endif /* XIM_t */
+#if defined(FS_t) || defined(FONT_t)
+#define UNIX_PATH "/tmp/.font-unix/fs"
+#define UNIX_DIR "/tmp/.font-unix"
+#endif /* FS_t || FONT_t */
+#if defined(ICE_t)
+#define UNIX_PATH "/tmp/.ICE-unix/"
+#define UNIX_DIR "/tmp/.ICE-unix"
+#endif /* ICE_t */
+
+
+#endif /* UNIXCONN */
+
+#define PORTBUFSIZE 32
+
+#ifndef MAXHOSTNAMELEN
+#define MAXHOSTNAMELEN 255
+#endif
+
+#if defined HAVE_SOCKLEN_T || (defined(IPv6) && defined(AF_INET6))
+# define SOCKLEN_T socklen_t
+#elif defined(SVR4) || defined(__SVR4) || defined(__SCO__)
+# define SOCKLEN_T size_t
+#else
+# define SOCKLEN_T int
+#endif
+
+#ifndef X11_t
+
+/*
+ * No NX changes if this is not
+ * compiled as a X11 transport.
+ */
+
+#undef NX_TRANS_SOCKET
+
+#endif
+
+#ifdef NX_TRANS_SOCKET
+
+#if XTRANS_SEND_FDS
+ #error XTRANS_SEND_FDS is unsupported for NX!
+#endif
+
+#ifdef TRANS_CLIENT
+
+#include <nx/NX.h>
+
+typedef struct
+{
+ XtransConnInfo info;
+ int local;
+ int remote;
+ int congestion;
+
+} _NXProxyConnInfo;
+
+#define NX_PROXY_CONN_LIMIT 256
+
+static _NXProxyConnInfo *_NXProxyConnInfoTab[NX_PROXY_CONN_LIMIT];
+
+#endif /* #ifdef TRANS_CLIENT */
+
+static char *_NXGetUnixDir(char *dir);
+static char *_NXGetUnixPath(char *path);
+
+/*
+ * Forcibly close any connection attempt on the
+ * listening socket. Need this to avoid loopback
+ * connections to the agent server.
+ */
+
+#ifdef TRANS_SERVER
+
+void TRANS(SocketRejectConnection) (XtransConnInfo ciptr)
+{
+ socklen_t sa_l = sizeof(struct sockaddr);
+ struct sockaddr sa;
+ fd_set fs;
+ struct timeval t;
+ int f;
+
+ prmsg (3, "SocketRejectConnection(%p)\n", (void *) ciptr);
+
+ FD_ZERO(&fs);
+ FD_SET(ciptr -> fd, &fs);
+
+ t.tv_sec = 0;
+ t.tv_usec = 0;
+
+ /*
+ * Check if there is an awaiting connection.
+ */
+
+ if (select(ciptr -> fd + 1, &fs, NULL, NULL, &t) == 1)
+ {
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketRejectConnection: Accepting connection attempt on fd [%d].\n",
+ ciptr -> fd);
+#endif
+ /*
+ * If there is one, close it.
+ */
+
+ if ((f = accept(ciptr -> fd, &sa, &sa_l)) >= 0)
+ {
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketRejectConnection: Closing connection attempt on fd [%d].\n",
+ ciptr -> fd);
+#endif
+ close(f);
+ }
+ }
+}
+
+#endif /* #ifdef TRANS_SERVER */
+
+#ifdef TRANS_CLIENT
+
+void *TRANS(SocketProxyConnInfo) (XtransConnInfo ciptr)
+{
+ if (_NXProxyConnInfoTab[ciptr->fd] != NULL)
+ {
+ return ciptr->priv;
+ }
+
+ return NULL;
+}
+
+static XtransConnInfo TRANS(SocketCreateConnInfo) ()
+{
+ XtransConnInfo ciptr;
+
+ int fds[2];
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCreateConnInfo: Going to create the NX connection info.\n");
+#endif
+
+ if ((ciptr = (XtransConnInfo) calloc (1, sizeof(struct _XtransConnInfo))) == NULL)
+ {
+ prmsg (1, "SocketCreateConnInfo: malloc failed\n");
+ return NULL;
+ }
+
+ /*
+ * Create a pair of sockets. We'll communicate with
+ * the NX proxy by reading and writing to our end.
+ */
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCreateConnInfo: Going to create the NX socketpair.\n");
+#endif
+
+ if (socketpair(PF_LOCAL, SOCK_STREAM, 0, fds) < 0)
+ {
+ prmsg (1, "SocketCreateConnInfo: socketpair() failed.\n");
+ free ((char *) ciptr);
+ return NULL;
+ }
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCreateConnInfo: X socket end is [%d] NX proxy end is [%d].\n",
+ fds[0], fds[1]);
+#endif
+
+ /*
+ * Save in _NXProxyConnInfoTab the local and remote end of
+ * the socketpair. The remote end will be used by the proxy.
+ * When the memory-to-memory transport is activated, the
+ * agent and the proxy don't read or write to the real des-
+ * criptors but the communication takes place by reading
+ * and writing to the proxy's buffers.
+ */
+
+ ciptr->fd = fds[0];
+
+ if (ciptr->fd >= NX_PROXY_CONN_LIMIT)
+ {
+ prmsg (1, "SocketCreateConnInfo: No space for a new _NXProxyConnInfo for [%d].\n",
+ ciptr->fd);
+ free ((char *) ciptr);
+ return NULL;
+ }
+ else if (_NXProxyConnInfoTab[ciptr->fd] != NULL)
+ {
+ prmsg (1, "SocketCreateConnInfo: _NXProxyConnInfo for [%d] is not NULL. Exiting.\n",
+ ciptr->fd);
+ exit(1);
+ }
+
+ _NXProxyConnInfoTab[ciptr->fd] = (_NXProxyConnInfo *) calloc(1, sizeof(_NXProxyConnInfo));
+
+ if (_NXProxyConnInfoTab[ciptr->fd] == NULL)
+ {
+ prmsg (1, "SocketCreateConnInfo: Alloc of _NXProxyConnInfo failed.\n");
+ free ((char *) ciptr);
+ return NULL;
+ }
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCreateConnInfo: Allocated new _NXProxyConnInfo for [%d].\n",
+ ciptr->fd);
+#endif
+
+ _NXProxyConnInfoTab[ciptr->fd]->info = ciptr;
+ _NXProxyConnInfoTab[ciptr->fd]->local = fds[0];
+ _NXProxyConnInfoTab[ciptr->fd]->remote = fds[1];
+ _NXProxyConnInfoTab[ciptr->fd]->congestion = 0;
+
+ ciptr->priv = (char *) _NXProxyConnInfoTab[ciptr->fd];
+
+ return ciptr;
+}
+
+static int TRANS(SocketConnectConnInfo) (XtransConnInfo ciptr, const char *host, const char *port)
+{
+ int fds[2];
+ char display[1024];
+
+ _NXProxyConnInfo *proxy_conn;
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketConnectConnInfo: Going to connect NX fd [%d] to host [%s] port [%s].\n",
+ ciptr->fd, host, port);
+#endif
+
+ /*
+ * We should have already created the socket pair.
+ */
+
+ proxy_conn = (_NXProxyConnInfo *) ciptr->priv;
+
+ if (proxy_conn == NULL)
+ {
+ prmsg (1, "SocketConnectConnInfo: Pointer to _NXProxyConnInfo is NULL. Exiting.\n");
+
+ exit(1);
+ }
+ else if (_NXProxyConnInfoTab[ciptr->fd] != (_NXProxyConnInfo *) ciptr->priv)
+ {
+ prmsg (1, "SocketConnectConnInfo: Can't find _NXProxyConnInfo in table. Exiting.\n");
+
+ exit(1);
+ }
+
+ if (strlen(host) + strlen(port) + 1 >= 1023)
+ {
+ prmsg (1, "SocketConnectConnInfo: Length of NX display string '%s:%s' would exceed %d characters.\n",
+ host, port, 1023);
+
+ return TRANS_CONNECT_FAILED;
+ }
+
+ sprintf(display, "%s:%s", host, port);
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketConnectConnInfo: Setting close-on-exec flag on local NX descriptor [%d].\n",
+ proxy_conn -> local);
+#endif
+
+#ifdef F_SETFD
+#ifdef FD_CLOEXEC
+ if (fcntl(proxy_conn -> local, F_SETFD, FD_CLOEXEC) != 0)
+#else
+ if (fcntl(proxy_conn -> local, F_SETFD, 1) != 0)
+#endif
+#endif
+ {
+ prmsg (1, "SocketConnectConnInfo: Cannot set close-on-exec on local NX descriptor [%d].\n",
+ proxy_conn -> local);
+
+ return TRANS_CONNECT_FAILED;
+ }
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketConnectConnInfo: Creating the NX transport with display [%s].\n",
+ display);
+#endif
+
+ if (NXTransCreate(NX_FD_ANY, NX_MODE_CLIENT, display) < 0)
+ {
+ prmsg (1, "SocketConnectConnInfo: Cannot create the NX transport.\n");
+
+ return TRANS_CONNECT_FAILED;
+ }
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketConnectConnInfo: Starting the NX agent with descriptor [%d].\n",
+ proxy_conn -> remote);
+#endif
+
+ fds[0] = proxy_conn -> local;
+ fds[1] = proxy_conn -> remote;
+
+ NXTransAgent(fds);
+
+ return 0;
+}
+
+static void TRANS(SocketCloseConnInfo) (XtransConnInfo ciptr)
+{
+ _NXProxyConnInfo *proxy_conn;
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCloseConnInfo: Going to close the NX fd [%d].\n", ciptr->fd);
+#endif
+
+ proxy_conn = (_NXProxyConnInfo *) ciptr->priv;
+
+ if (proxy_conn == NULL)
+ {
+ prmsg (1, "SocketCloseConnInfo: Pointer to _NXProxyConnInfo is NULL. Exiting.\n");
+
+ exit(1);
+ }
+ else if (ciptr->fd >= NX_PROXY_CONN_LIMIT ||
+ _NXProxyConnInfoTab[ciptr->fd] != (_NXProxyConnInfo *) ciptr->priv)
+ {
+ prmsg (1, "SocketCloseConnInfo: Can't find _NXProxyConnInfo in table. Exiting.\n");
+ exit(1);
+ }
+ else if (_NXProxyConnInfoTab[ciptr->fd] -> info != ciptr ||
+ _NXProxyConnInfoTab[ciptr->fd] -> local != ciptr->fd)
+ {
+ prmsg (1, "SocketCloseConnInfo: Invalid _NXProxyConnInfo structure for [%d]. Exiting.\n",
+ ciptr->fd);
+ exit(1);
+ }
+ else if (proxy_conn->local < 0 || proxy_conn->remote < 0)
+ {
+ prmsg (1, "SocketCloseConnInfo: Invalid socket pair in NX connection for [%d]. Exiting.\n",
+ ciptr->fd);
+ exit(1);
+ }
+
+ NXTransClose(ciptr->fd);
+
+ /*
+ * Get rid of the _NXProxyConnInfo structure.
+ */
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCloseConnInfo: Freeing _NXProxyConnInfo structure for [%d].\n",
+ ciptr->fd);
+#endif
+
+ free((char *) _NXProxyConnInfoTab[ciptr->fd]);
+
+ _NXProxyConnInfoTab[ciptr->fd] = NULL;
+
+ ciptr->priv = NULL;
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCloseConnInfo: Should now close the local descriptor [%d].\n",
+ ciptr->fd);
+#endif
+}
+
+#endif /* #ifdef TRANS_CLIENT */
+
+#if defined(TRANS_CLIENT) && defined(NX_TRANS_CHANGE)
+
+/*
+ * Check the congestion state of the NX transport
+ * and return 1 if there has been a change. This
+ * can be extended by adding a few counters track-
+ * ing the bandwidth usage of the X11 connection.
+ */
+
+int TRANS(SocketCongestionChange) (XtransConnInfo ciptr, int *state)
+{
+ int congestion;
+
+ _NXProxyConnInfo *proxy_conn;
+
+ prmsg (3, "SocketCongestionChange(%p)\n", (void *) ciptr);
+
+ proxy_conn = (_NXProxyConnInfo *) ciptr->priv;
+
+ if (proxy_conn == NULL)
+ {
+#ifdef NX_TRANS_DEBUG
+ fprintf(stderr, "SocketCongestionChange: Descriptor [%d] doesn't appear to be a NX connection.\n",
+ ciptr->fd);
+#endif
+ return 0;
+ }
+
+#ifdef NX_TRANS_DEBUG
+ fprintf(stderr, "SocketCongestionChange: Checking congestion on fd [%d] with old state [%d].\n",
+ ciptr->fd, proxy_conn->congestion);
+#endif
+
+ congestion = NXTransCongestion(ciptr->fd);
+
+ if (congestion != proxy_conn->congestion)
+ {
+ proxy_conn->congestion = congestion;
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCongestionChange: Change detected on fd [%d] with new state [%d].\n",
+ ciptr->fd, proxy_conn->congestion);
+#endif
+ return 1;
+ }
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketCongestionChange: No change on fd [%d] with current state [%d].\n",
+ ciptr->fd, congestion);
+#endif
+ return 0;
+}
+
+#endif /* #if defined(TRANS_CLIENT) && defined(NX_TRANS_CHANGE) */
+
+#endif /* #ifdef NX_TRANS_SOCKET */
+
+/*
+ * These are some utility function used by the real interface function below.
+ */
+
+static int
+TRANS(SocketSelectFamily) (int first, const char *family)
+
+{
+ int i;
+
+ prmsg (3,"SocketSelectFamily(%s)\n", family);
+
+ for (i = first + 1; i < NUMSOCKETFAMILIES;i++)
+ {
+ if (!strcmp (family, Sockettrans2devtab[i].transname))
+ return i;
+ }
+
+ return (first == -1 ? -2 : -1);
+}
+
+
+/*
+ * This function gets the local address of the socket and stores it in the
+ * XtransConnInfo structure for the connection.
+ */
+
+static int
+TRANS(SocketINETGetAddr) (XtransConnInfo ciptr)
+
+{
+#if defined(IPv6) && defined(AF_INET6)
+ struct sockaddr_storage socknamev6;
+#else
+ struct sockaddr_in socknamev4;
+#endif
+ void *socknamePtr;
+ SOCKLEN_T namelen;
+
+ prmsg (3,"SocketINETGetAddr(%p)\n", (void *) ciptr);
+
+#if defined(IPv6) && defined(AF_INET6)
+ namelen = sizeof(socknamev6);
+ socknamePtr = &socknamev6;
+#else
+ namelen = sizeof(socknamev4);
+ socknamePtr = &socknamev4;
+#endif
+
+ bzero(socknamePtr, namelen);
+
+ if (getsockname (ciptr->fd,(struct sockaddr *) socknamePtr,
+ (void *)&namelen) < 0)
+ {
+#ifdef WIN32
+ errno = WSAGetLastError();
+#endif
+ prmsg (1,"SocketINETGetAddr: getsockname() failed: %d\n",
+ EGET());
+ return -1;
+ }
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+ if ((ciptr->addr = malloc (namelen)) == NULL)
+ {
+ prmsg (1,
+ "SocketINETGetAddr: Can't allocate space for the addr\n");
+ return -1;
+ }
+
+#if defined(IPv6) && defined(AF_INET6)
+ ciptr->family = ((struct sockaddr *)socknamePtr)->sa_family;
+#else
+ ciptr->family = socknamev4.sin_family;
+#endif
+ ciptr->addrlen = namelen;
+ memcpy (ciptr->addr, socknamePtr, ciptr->addrlen);
+
+ return 0;
+}
+
+
+/*
+ * This function gets the remote address of the socket and stores it in the
+ * XtransConnInfo structure for the connection.
+ */
+
+static int
+TRANS(SocketINETGetPeerAddr) (XtransConnInfo ciptr)
+
+{
+#if defined(IPv6) && defined(AF_INET6)
+ struct sockaddr_storage socknamev6;
+#endif
+ struct sockaddr_in socknamev4;
+ void *socknamePtr;
+ SOCKLEN_T namelen;
+
+#if defined(IPv6) && defined(AF_INET6)
+ if (ciptr->family == AF_INET6)
+ {
+ namelen = sizeof(socknamev6);
+ socknamePtr = &socknamev6;
+ }
+ else
+#endif
+ {
+ namelen = sizeof(socknamev4);
+ socknamePtr = &socknamev4;
+ }
+
+ bzero(socknamePtr, namelen);
+
+ prmsg (3,"SocketINETGetPeerAddr(%p)\n", (void *) ciptr);
+
+ if (getpeername (ciptr->fd, (struct sockaddr *) socknamePtr,
+ (void *)&namelen) < 0)
+ {
+#ifdef WIN32
+ errno = WSAGetLastError();
+#endif
+ prmsg (1,"SocketINETGetPeerAddr: getpeername() failed: %d\n",
+ EGET());
+ return -1;
+ }
+
+ /*
+ * Everything looks good: fill in the XtransConnInfo structure.
+ */
+
+ if ((ciptr->peeraddr = malloc (namelen)) == NULL)
+ {
+ prmsg (1,
+ "SocketINETGetPeerAddr: Can't allocate space for the addr\n");
+ return -1;
+ }
+
+ ciptr->peeraddrlen = namelen;
+ memcpy (ciptr->peeraddr, socknamePtr, ciptr->peeraddrlen);
+
+ return 0;
+}
+
+
+static XtransConnInfo
+TRANS(SocketOpen) (int i, int type)
+
+{
+ XtransConnInfo ciptr;
+
+ prmsg (3,"SocketOpen(%d,%d)\n", i, type);
+
+ if ((ciptr = calloc (1, sizeof(struct _XtransConnInfo))) == NULL)
+ {
+ prmsg (1, "SocketOpen: malloc failed\n");
+ return NULL;
+ }
+
+ if ((ciptr->fd = socket(Sockettrans2devtab[i].family, type,
+ Sockettrans2devtab[i].protocol)) < 0
+#ifndef WIN32
+#if (defined(X11_t) && !defined(USE_POLL)) || defined(FS_t) || defined(FONT_t)
+ || ciptr->fd >= sysconf(_SC_OPEN_MAX)
+#endif
+#endif
+ ) {
+#ifdef WIN32
+ errno = WSAGetLastError();
+#endif
+ prmsg (2, "SocketOpen: socket() failed for %s\n",
+ Sockettrans2devtab[i].transname);
+
+ free (ciptr);
+ return NULL;
+ }
+
+#ifdef TCP_NODELAY
+ if (Sockettrans2devtab[i].family == AF_INET
+#if defined(IPv6) && defined(AF_INET6)
+ || Sockettrans2devtab[i].family == AF_INET6
+#endif
+ )
+ {
+ /*
+ * turn off TCP coalescence for INET sockets
+ */
+
+ int tmp = 1;
+ setsockopt (ciptr->fd, IPPROTO_TCP, TCP_NODELAY,
+ (char *) &tmp, sizeof (int));
+ }
+#endif
+
+ /*
+ * Some systems provide a really small default buffer size for
+ * UNIX sockets. Bump it up a bit such that large transfers don't
+ * proceed at glacial speed.
+ */
+#ifdef SO_SNDBUF
+ if (Sockettrans2devtab[i].family == AF_UNIX)
+ {
+ SOCKLEN_T len = sizeof (int);
+ int val;
+
+ if (getsockopt (ciptr->fd, SOL_SOCKET, SO_SNDBUF,
+ (char *) &val, &len) == 0 && val < 64 * 1024)
+ {
+ val = 64 * 1024;
+ setsockopt (ciptr->fd, SOL_SOCKET, SO_SNDBUF,
+ (char *) &val, sizeof (int));
+ }
+ }
+#endif
+
+ return ciptr;
+}
+
+
+#ifdef TRANS_REOPEN
+
+static XtransConnInfo
+TRANS(SocketReopen) (int i _X_UNUSED, int type, int fd, const char *port)
+
+{
+ XtransConnInfo ciptr;
+ int portlen;
+ struct sockaddr *addr;
+ size_t addrlen;
+
+ prmsg (3,"SocketReopen(%d,%d,%s)\n", type, fd, port);
+
+ if (port == NULL) {
+ prmsg (1, "SocketReopen: port was null!\n");
+ return NULL;
+ }
+
+ portlen = strlen(port) + 1; // include space for trailing null
+#ifdef SOCK_MAXADDRLEN
+ if (portlen < 0 || portlen > (SOCK_MAXADDRLEN + 2)) {
+ prmsg (1, "SocketReopen: invalid portlen %d\n", portlen);
+ return NULL;
+ }
+ if (portlen < 14) portlen = 14;
+#else
+ if (portlen < 0 || portlen > 14) {
+ prmsg (1, "SocketReopen: invalid portlen %d\n", portlen);
+ return NULL;
+ }
+#endif /*SOCK_MAXADDRLEN*/
+
+ if ((ciptr = calloc (1, sizeof(struct _XtransConnInfo))) == NULL)
+ {
+ prmsg (1, "SocketReopen: malloc(ciptr) failed\n");
+ return NULL;
+ }
+
+ ciptr->fd = fd;
+
+ addrlen = portlen + offsetof(struct sockaddr, sa_data);
+ if ((addr = calloc (1, addrlen)) == NULL) {
+ prmsg (1, "SocketReopen: malloc(addr) failed\n");
+ free (ciptr);
+ return NULL;
+ }
+ ciptr->addr = (char *) addr;
+ ciptr->addrlen = addrlen;
+
+ if ((ciptr->peeraddr = calloc (1, addrlen)) == NULL) {
+ prmsg (1, "SocketReopen: malloc(portaddr) failed\n");
+ free (addr);
+ free (ciptr);
+ return NULL;
+ }
+ ciptr->peeraddrlen = addrlen;
+
+ /* Initialize ciptr structure as if it were a normally-opened unix socket */
+ ciptr->flags = TRANS_LOCAL | TRANS_NOUNLINK;
+#ifdef BSD44SOCKETS
+ addr->sa_len = addrlen;
+#endif
+ addr->sa_family = AF_UNIX;
+#if defined(HAVE_STRLCPY) || defined(HAS_STRLCPY)
+ strlcpy(addr->sa_data, port, portlen);
+#else
+ strncpy(addr->sa_data, port, portlen);
+#endif
+ ciptr->family = AF_UNIX;
+ memcpy(ciptr->peeraddr, ciptr->addr, addrlen);
+ ciptr->port = rindex(addr->sa_data, ':');
+ if (ciptr->port == NULL) {
+ if (is_numeric(addr->sa_data)) {
+ ciptr->port = addr->sa_data;
+ }
+ } else if (ciptr->port[0] == ':') {
+ ciptr->port++;
+ }
+ /* port should now point to portnum or NULL */
+ return ciptr;
+}
+
+#endif /* TRANS_REOPEN */
+
+
+/*
+ * These functions are the interface supplied in the Xtransport structure
+ */
+
+#ifdef TRANS_CLIENT
+
+static XtransConnInfo
+TRANS(SocketOpenCOTSClientBase) (const char *transname, const char *protocol,
+ const char *host, const char *port, int previndex)
+{
+ XtransConnInfo ciptr;
+ int i = previndex;
+
+ prmsg (2, "SocketOpenCOTSClient(%s,%s,%s)\n",
+ protocol, host, port);
+
+ SocketInitOnce();
+
+ while ((i = TRANS(SocketSelectFamily) (i, transname)) >= 0) {
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ if ((!strcmp(protocol, "local") || !strcmp(protocol, "nx")) &&
+ (!strcasecmp(host, "nx") || !strncasecmp(host, "nx,", 3)))
+ {
+ ciptr = TRANS(SocketCreateConnInfo) ();
+
+ if (ciptr == NULL)
+ {
+ prmsg (1, "SocketOpenCOTSClient: Unable to create the NX connection info for %s.\n",
+ transname);
+
+ return NULL;
+ }
+
+ ciptr->index = i;
+
+ return ciptr;
+ }
+
+#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+
+ if ((ciptr = TRANS(SocketOpen) (
+ i, Sockettrans2devtab[i].devcotsname)) != NULL) {
+ /* Save the index for later use */
+
+ ciptr->index = i;
+ break;
+ }
+ }
+ if (i < 0) {
+ if (i == -1)
+ prmsg (1,"SocketOpenCOTSClient: Unable to open socket for %s\n",
+ transname);
+ else
+ prmsg (1,"SocketOpenCOTSClient: Unable to determine socket type for %s\n",
+ transname);
+ return NULL;
+ }
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ ciptr->priv = NULL;
+
+#endif
+
+ return ciptr;
+}
+
+static XtransConnInfo
+TRANS(SocketOpenCOTSClient) (Xtransport *thistrans, const char *protocol,
+ const char *host, const char *port)
+{
+ return TRANS(SocketOpenCOTSClientBase)(
+ thistrans->TransName, protocol, host, port, -1);
+}
+
+
+#endif /* TRANS_CLIENT */
+
+
+#ifdef TRANS_SERVER
+
+static XtransConnInfo
+TRANS(SocketOpenCOTSServer) (Xtransport *thistrans, const char *protocol,
+ const char *host, const char *port)
+
+{
+ XtransConnInfo ciptr;
+ int i = -1;
+
+ prmsg (2,"SocketOpenCOTSServer(%s,%s,%s)\n", protocol, host, port);
+
+ SocketInitOnce();
+
+ while ((i = TRANS(SocketSelectFamily) (i, thistrans->TransName)) >= 0) {
+ if ((ciptr = TRANS(SocketOpen) (
+ i, Sockettrans2devtab[i].devcotsname)) != NULL)
+ break;
+ }
+ if (i < 0) {
+ if (i == -1)
+ prmsg (1,"SocketOpenCOTSServer: Unable to open socket for %s\n",
+ thistrans->TransName);
+ else
+ prmsg (1,"SocketOpenCOTSServer: Unable to determine socket type for %s\n",
+ thistrans->TransName);
+ return NULL;
+ }
+
+ /*
+ * Using this prevents the bind() check for an existing server listening
+ * on the same port, but it is required for other reasons.
+ */
+#ifdef SO_REUSEADDR
+
+ /*
+ * SO_REUSEADDR only applied to AF_INET && AF_INET6
+ */
+
+ if (Sockettrans2devtab[i].family == AF_INET
+#if defined(IPv6) && defined(AF_INET6)
+ || Sockettrans2devtab[i].family == AF_INET6
+#endif
+ )
+ {
+ int one = 1;
+ setsockopt (ciptr->fd, SOL_SOCKET, SO_REUSEADDR,
+ (char *) &one, sizeof (int));
+ }
+#endif
+#ifdef IPV6_V6ONLY
+ if (Sockettrans2devtab[i].family == AF_INET6)
+ {
+ int one = 1;
+ setsockopt(ciptr->fd, IPPROTO_IPV6, IPV6_V6ONLY, &one, sizeof(int));
+ }
+#endif
+ /* Save the index for later use */
+
+ ciptr->index = i;
+
+ return ciptr;
+}
+
+#endif /* TRANS_SERVER */
+
+
+#ifdef TRANS_REOPEN
+
+static XtransConnInfo
+TRANS(SocketReopenCOTSServer) (Xtransport *thistrans, int fd, const char *port)
+
+{
+ XtransConnInfo ciptr;
+ int i = -1;
+
+ prmsg (2,
+ "SocketReopenCOTSServer(%d, %s)\n", fd, port);
+
+ SocketInitOnce();
+
+ while ((i = TRANS(SocketSelectFamily) (i, thistrans->TransName)) >= 0) {
+ if ((ciptr = TRANS(SocketReopen) (
+ i, Sockettrans2devtab[i].devcotsname, fd, port)) != NULL)
+ break;
+ }
+ if (i < 0) {
+ if (i == -1)
+ prmsg (1,"SocketReopenCOTSServer: Unable to open socket for %s\n",
+ thistrans->TransName);
+ else
+ prmsg (1,"SocketReopenCOTSServer: Unable to determine socket type for %s\n",
+ thistrans->TransName);
+ return NULL;
+ }
+
+ /* Save the index for later use */
+
+ ciptr->index = i;
+
+ return ciptr;
+}
+
+#endif /* TRANS_REOPEN */
+
+
+static int
+TRANS(SocketSetOption) (XtransConnInfo ciptr, int option, int arg)
+
+{
+ prmsg (2,"SocketSetOption(%d,%d,%d)\n", ciptr->fd, option, arg);
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "SocketSetOption: WARNING! Not setting option [%d] with value [%d] on descriptor [%d].\n",
+ option, arg, ciptr -> fd);
+#endif
+
+ return -1;
+}
+
+#ifdef UNIXCONN
+static int
+set_sun_path(const char *port, const char *upath, char *path, int abstract)
+{
+ struct sockaddr_un s;
+ int maxlen = sizeof(s.sun_path) - 1;
+ const char *at = "";
+
+ if (!port || !*port || !path)
+ return -1;
+
+#ifdef HAVE_ABSTRACT_SOCKETS
+ if (port[0] == '@')
+ upath = "";
+ else if (abstract)
+ at = "@";
+#endif
+
+ if (*port == '/') /* a full pathname */
+ upath = "";
+
+ if (strlen(port) + strlen(upath) > maxlen)
+ return -1;
+ snprintf(path, sizeof(s.sun_path), "%s%s%s", at, upath, port);
+ return 0;
+}
+#endif
+
+#ifdef TRANS_SERVER
+
+static int
+TRANS(SocketCreateListener) (XtransConnInfo ciptr,
+ struct sockaddr *sockname,
+ int socknamelen, unsigned int flags)
+
+{
+ SOCKLEN_T namelen = socknamelen;
+ int fd = ciptr->fd;
+ int retry;
+
+ prmsg (3, "SocketCreateListener(%p,%d)\n", (void *) ciptr, fd);
+
+ if (Sockettrans2devtab[ciptr->index].family == AF_INET
+#if defined(IPv6) && defined(AF_INET6)
+ || Sockettrans2devtab[ciptr->index].family == AF_INET6
+#endif
+ )
+ retry = 20;
+ else
+ retry = 0;
+
+#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
+ fprintf(stderr, "SocketCreateListener: Creating listener for ciptr at [%p] on path [%s].\n",
+ (void *) ciptr, ((struct sockaddr_un *) sockname)->sun_family == AF_UNIX ?
+ ((struct sockaddr_un *) sockname)->sun_path : "TCP");
+#endif
+ while (bind (fd, (struct sockaddr *) sockname, namelen) < 0)
+ {
+ if (errno == EADDRINUSE) {
+ if (flags & ADDR_IN_USE_ALLOWED)
+ break;
+ else
+ return TRANS_ADDR_IN_USE;
+ }
+
+ if (retry-- == 0) {
+ prmsg (1, "SocketCreateListener: failed to bind listener\n");
+ close (fd);
+ return TRANS_CREATE_LISTENER_FAILED;
+ }
+#ifdef SO_REUSEADDR
+ sleep (1);
+#else
+ sleep (10);
+#endif /* SO_REUSEDADDR */
+ }
+
+ if (Sockettrans2devtab[ciptr->index].family == AF_INET
+#if defined(IPv6) && defined(AF_INET6)
+ || Sockettrans2devtab[ciptr->index].family == AF_INET6
+#endif
+ ) {
+#ifdef SO_DONTLINGER
+ setsockopt (fd, SOL_SOCKET, SO_DONTLINGER, (char *) NULL, 0);
+#else
+#ifdef SO_LINGER
+ {
+ static int linger[2] = { 0, 0 };
+ setsockopt (fd, SOL_SOCKET, SO_LINGER,
+ (char *) linger, sizeof (linger));
+ }
+#endif
+#endif
+}
+
+ if (listen (fd, BACKLOG) < 0)
+ {
+ prmsg (1, "SocketCreateListener: listen() failed\n");
+ close (fd);
+ return TRANS_CREATE_LISTENER_FAILED;
+ }
+
+ /* Set a flag to indicate that this connection is a listener */
+
+ ciptr->flags = 1 | (ciptr->flags & TRANS_KEEPFLAGS);
+
+#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
+ fprintf(stderr, "SocketCreateListener: Set flags to [%d] for ciptr [%p].\n",
+ ciptr->flags, (void *) ciptr);
+#endif
+
+ return 0;
+}
+
+#ifdef TCPCONN
+static int
+TRANS(SocketINETCreateListener) (XtransConnInfo ciptr, const char *port,
+ unsigned int flags)
+
+{
+#if defined(IPv6) && defined(AF_INET6)
+ struct sockaddr_storage sockname;
+#else
+ struct sockaddr_in sockname;
+#endif
+ unsigned short sport;
+ SOCKLEN_T namelen = sizeof(sockname);
+ int status;
+ long tmpport;
+#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
+ _Xgetservbynameparams sparams;
+#endif
+ struct servent *servp;
+
+#ifdef X11_t
+ char portbuf[PORTBUFSIZE];
+#endif
+
+ prmsg (2, "SocketINETCreateListener(%s)\n", port);
+
+#ifdef X11_t
+ /*
+ * X has a well known port, that is transport dependent. It is easier
+ * to handle it here, than try and come up with a transport independent
+ * representation that can be passed in and resolved the usual way.
+ *
+ * The port that is passed here is really a string containing the idisplay
+ * from ConnectDisplay().
+ */
+
+ if (is_numeric (port))
+ {
+ /* fixup the server port address */
+ tmpport = X_TCP_PORT + strtol (port, (char**)NULL, 10);
+ snprintf (portbuf, sizeof(portbuf), "%lu", tmpport);
+ port = portbuf;
+ }
+#endif
+
+ if (port && *port)
+ {
+ /* Check to see if the port string is just a number (handles X11) */
+
+ if (!is_numeric (port))
+ {
+ if ((servp = _XGetservbyname (port,"tcp",sparams)) == NULL)
+ {
+ prmsg (1,
+ "SocketINETCreateListener: Unable to get service for %s\n",
+ port);
+ return TRANS_CREATE_LISTENER_FAILED;
+ }
+ /* we trust getservbyname to return a valid number */
+ sport = servp->s_port;
+ }
+ else
+ {
+ tmpport = strtol (port, (char**)NULL, 10);
+ /*
+ * check that somehow the port address isn't negative or in
+ * the range of reserved port addresses. This can happen and
+ * be very bad if the server is suid-root and the user does
+ * something (dumb) like `X :60049`.
+ */
+ if (tmpport < 1024 || tmpport > USHRT_MAX)
+ return TRANS_CREATE_LISTENER_FAILED;
+
+ sport = (unsigned short) tmpport;
+ }
+ }
+ else
+ sport = 0;
+
+ bzero(&sockname, sizeof(sockname));
+#if defined(IPv6) && defined(AF_INET6)
+ if (Sockettrans2devtab[ciptr->index].family == AF_INET) {
+ namelen = sizeof (struct sockaddr_in);
+#ifdef BSD44SOCKETS
+ ((struct sockaddr_in *)&sockname)->sin_len = namelen;
+#endif
+ ((struct sockaddr_in *)&sockname)->sin_family = AF_INET;
+ ((struct sockaddr_in *)&sockname)->sin_port = htons(sport);
+ ((struct sockaddr_in *)&sockname)->sin_addr.s_addr = htonl(INADDR_ANY);
+ } else {
+ namelen = sizeof (struct sockaddr_in6);
+#ifdef SIN6_LEN
+ ((struct sockaddr_in6 *)&sockname)->sin6_len = sizeof(sockname);
+#endif
+ ((struct sockaddr_in6 *)&sockname)->sin6_family = AF_INET6;
+ ((struct sockaddr_in6 *)&sockname)->sin6_port = htons(sport);
+ ((struct sockaddr_in6 *)&sockname)->sin6_addr = in6addr_any;
+ }
+#else
+#ifdef BSD44SOCKETS
+ sockname.sin_len = sizeof (sockname);
+#endif
+ sockname.sin_family = AF_INET;
+ sockname.sin_port = htons (sport);
+ sockname.sin_addr.s_addr = htonl (INADDR_ANY);
+#endif
+
+ if ((status = TRANS(SocketCreateListener) (ciptr,
+ (struct sockaddr *) &sockname, namelen, flags)) < 0)
+ {
+ prmsg (1,
+ "SocketINETCreateListener: ...SocketCreateListener() failed\n");
+ return status;
+ }
+
+ if (TRANS(SocketINETGetAddr) (ciptr) < 0)
+ {
+ prmsg (1,
+ "SocketINETCreateListener: ...SocketINETGetAddr() failed\n");
+ return TRANS_CREATE_LISTENER_FAILED;
+ }
+
+ return 0;
+}
+
+#endif /* TCPCONN */
+
+
+#ifdef UNIXCONN
+
+static int
+TRANS(SocketUNIXCreateListener) (XtransConnInfo ciptr, const char *port,
+ unsigned int flags)
+
+{
+ struct sockaddr_un sockname;
+ int namelen;
+ int oldUmask;
+ int status;
+ unsigned int mode;
+ char tmpport[108];
+
+ int abstract = 0;
+#ifdef HAVE_ABSTRACT_SOCKETS
+ abstract = ciptr->transptr->flags & TRANS_ABSTRACT;
+#endif
+
+ prmsg (2, "SocketUNIXCreateListener(%s)\n",
+ port ? port : "NULL");
+
+ /* Make sure the directory is created */
+
+ oldUmask = umask (0);
+
+#ifdef UNIX_DIR
+#ifdef HAS_STICKY_DIR_BIT
+ mode = 01777;
+#else
+ mode = 0777;
+#endif
+#ifdef NX_TRANS_SOCKET
+ if (!abstract && trans_mkdir(_NXGetUnixDir(UNIX_DIR), mode) == -1) {
+ prmsg (1, "SocketUNIXCreateListener: mkdir(%s) failed, errno = %d\n",
+ _NXGetUnixDir(UNIX_DIR), errno);
+#else
+ if (!abstract && trans_mkdir(UNIX_DIR, mode) == -1) {
+ prmsg (1, "SocketUNIXCreateListener: mkdir(%s) failed, errno = %d\n",
+ UNIX_DIR, errno);
+#endif
+ (void) umask (oldUmask);
+ return TRANS_CREATE_LISTENER_FAILED;
+ }
+#endif
+
+ memset(&sockname, 0, sizeof(sockname));
+ sockname.sun_family = AF_UNIX;
+
+ if (!(port && *port)) {
+ snprintf (tmpport, sizeof(tmpport), "%s%ld", UNIX_PATH, (long)getpid());
+ port = tmpport;
+ }
+#ifdef NX_TRANS_SOCKET
+ if (set_sun_path(port, _NXGetUnixPath(UNIX_PATH), sockname.sun_path, abstract) != 0) {
+#else
+ if (set_sun_path(port, UNIX_PATH, sockname.sun_path, abstract) != 0) {
+#endif
+ prmsg (1, "SocketUNIXCreateListener: path too long\n");
+ return TRANS_CREATE_LISTENER_FAILED;
+ }
+
+#if (defined(BSD44SOCKETS) || defined(__UNIXWARE__))
+ sockname.sun_len = strlen(sockname.sun_path);
+#endif
+
+#if defined(BSD44SOCKETS) || defined(SUN_LEN)
+ namelen = SUN_LEN(&sockname);
+#else
+ namelen = strlen(sockname.sun_path) + offsetof(struct sockaddr_un, sun_path);
+#endif
+
+#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
+ fprintf(stderr, "SocketUNIXCreateListener: Unlinking path [%s] for ciptr at [%p].\n",
+ sockname.sun_path, (void *) ciptr);
+#endif
+ if (abstract) {
+ sockname.sun_path[0] = '\0';
+ namelen = offsetof(struct sockaddr_un, sun_path) + 1 + strlen(&sockname.sun_path[1]);
+ }
+ else
+ unlink (sockname.sun_path);
+
+ if ((status = TRANS(SocketCreateListener) (ciptr,
+ (struct sockaddr *) &sockname, namelen, flags)) < 0)
+ {
+ prmsg (1,
+ "SocketUNIXCreateListener: ...SocketCreateListener() failed\n");
+ (void) umask (oldUmask);
+ return status;
+ }
+
+ /*
+ * Now that the listener is esablished, create the addr info for
+ * this connection. getpeername() doesn't work for UNIX Domain Sockets
+ * on some systems (hpux at least), so we will just do it manually, instead
+ * of calling something like TRANS(SocketUNIXGetAddr).
+ */
+
+ namelen = sizeof (sockname); /* this will always make it the same size */
+
+ if ((ciptr->addr = malloc (namelen)) == NULL)
+ {
+ prmsg (1,
+ "SocketUNIXCreateListener: Can't allocate space for the addr\n");
+ (void) umask (oldUmask);
+ return TRANS_CREATE_LISTENER_FAILED;
+ }
+
+ if (abstract)
+ sockname.sun_path[0] = '@';
+
+ ciptr->family = sockname.sun_family;
+ ciptr->addrlen = namelen;
+ memcpy (ciptr->addr, &sockname, ciptr->addrlen);
+
+ (void) umask (oldUmask);
+
+ return 0;
+}
+
+
+static int
+TRANS(SocketUNIXResetListener) (XtransConnInfo ciptr)
+
+{
+ /*
+ * See if the unix domain socket has disappeared. If it has, recreate it.
+ */
+
+ struct sockaddr_un *unsock = (struct sockaddr_un *) ciptr->addr;
+ struct stat statb;
+ int status = TRANS_RESET_NOOP;
+ unsigned int mode;
+ int abstract = 0;
+#ifdef HAVE_ABSTRACT_SOCKETS
+ abstract = ciptr->transptr->flags & TRANS_ABSTRACT;
+#endif
+
+ prmsg (3, "SocketUNIXResetListener(%p,%d)\n", (void *) ciptr, ciptr->fd);
+
+ if (!abstract && (
+ stat (unsock->sun_path, &statb) == -1 ||
+ ((statb.st_mode & S_IFMT) !=
+#if defined(NCR) || defined(SCO325) || !defined(S_IFSOCK)
+ S_IFIFO
+#else
+ S_IFSOCK
+#endif
+ )))
+ {
+ int oldUmask = umask (0);
+
+#ifdef UNIX_DIR
+#ifdef HAS_STICKY_DIR_BIT
+ mode = 01777;
+#else
+ mode = 0777;
+#endif
+#ifdef NX_TRANS_SOCKET
+ if (trans_mkdir(_NXGetUnixDir(UNIX_DIR), mode) == -1) {
+ prmsg (1, "SocketUNIXResetListener: mkdir(%s) failed, errno = %d\n",
+ _NXGetUnixDir(UNIX_DIR), errno);
+#else
+ if (trans_mkdir(UNIX_DIR, mode) == -1) {
+ prmsg (1, "SocketUNIXResetListener: mkdir(%s) failed, errno = %d\n",
+ UNIX_DIR, errno);
+#endif
+ (void) umask (oldUmask);
+ return TRANS_RESET_FAILURE;
+ }
+#endif
+
+ close (ciptr->fd);
+ unlink (unsock->sun_path);
+
+ if ((ciptr->fd = socket (AF_UNIX, SOCK_STREAM, 0)) < 0)
+ {
+ TRANS(FreeConnInfo) (ciptr);
+ (void) umask (oldUmask);
+ return TRANS_RESET_FAILURE;
+ }
+
+ if (bind (ciptr->fd, (struct sockaddr *) unsock, ciptr->addrlen) < 0)
+ {
+ close (ciptr->fd);
+ TRANS(FreeConnInfo) (ciptr);
+ return TRANS_RESET_FAILURE;
+ }
+
+ if (listen (ciptr->fd, BACKLOG) < 0)
+ {
+ close (ciptr->fd);
+ TRANS(FreeConnInfo) (ciptr);
+ (void) umask (oldUmask);
+ return TRANS_RESET_FAILURE;
+ }
+
+ umask (oldUmask);
+
+ status = TRANS_RESET_NEW_FD;
+ }
+
+ return status;
+}
+
+#endif /* UNIXCONN */
+
+
+#ifdef TCPCONN
+
+static XtransConnInfo
+TRANS(SocketINETAccept) (XtransConnInfo ciptr, int *status)
+
+{
+ XtransConnInfo newciptr;
+ struct sockaddr_in sockname;
+ SOCKLEN_T namelen = sizeof(sockname);
+
+ prmsg (2, "SocketINETAccept(%p,%d)\n", (void *) ciptr, ciptr->fd);
+
+ if ((newciptr = calloc (1, sizeof(struct _XtransConnInfo))) == NULL)
+ {
+ prmsg (1, "SocketINETAccept: malloc failed\n");
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return NULL;
+ }
+
+ if ((newciptr->fd = accept (ciptr->fd,
+ (struct sockaddr *) &sockname, (void *)&namelen)) < 0)
+ {
+#ifdef WIN32
+ errno = WSAGetLastError();
+#endif
+ prmsg (1, "SocketINETAccept: accept() failed\n");
+ free (newciptr);
+ *status = TRANS_ACCEPT_FAILED;
+ return NULL;
+ }
+
+#ifdef TCP_NODELAY
+ {
+ /*
+ * turn off TCP coalescence for INET sockets
+ */
+
+ int tmp = 1;
+ setsockopt (newciptr->fd, IPPROTO_TCP, TCP_NODELAY,
+ (char *) &tmp, sizeof (int));
+ }
+#endif
+
+ /*
+ * Get this address again because the transport may give a more
+ * specific address now that a connection is established.
+ */
+
+ if (TRANS(SocketINETGetAddr) (newciptr) < 0)
+ {
+ prmsg (1,
+ "SocketINETAccept: ...SocketINETGetAddr() failed:\n");
+ close (newciptr->fd);
+ free (newciptr);
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return NULL;
+ }
+
+ if (TRANS(SocketINETGetPeerAddr) (newciptr) < 0)
+ {
+ prmsg (1,
+ "SocketINETAccept: ...SocketINETGetPeerAddr() failed:\n");
+ close (newciptr->fd);
+ if (newciptr->addr) free (newciptr->addr);
+ free (newciptr);
+ *status = TRANS_ACCEPT_MISC_ERROR;
+ return NULL;
+ }
+
+ *status = 0;
+
+ return newciptr;
+}
+
+#endif /* TCPCONN */
+
+
+#ifdef UNIXCONN
+static XtransConnInfo
+TRANS(SocketUNIXAccept) (XtransConnInfo ciptr, int *status)
+
+{
+ XtransConnInfo newciptr;
+ struct sockaddr_un sockname;
+ SOCKLEN_T namelen = sizeof sockname;
+
+ prmsg (2, "SocketUNIXAccept(%p,%d)\n", (void *) ciptr, ciptr->fd);
+
+ if ((newciptr = calloc (1, sizeof(struct _XtransConnInfo))) == NULL)
+ {
+ prmsg (1, "SocketUNIXAccept: malloc() failed\n");
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return NULL;
+ }
+
+ if ((newciptr->fd = accept (ciptr->fd,
+ (struct sockaddr *) &sockname, (void *)&namelen)) < 0)
+ {
+ prmsg (1, "SocketUNIXAccept: accept() failed\n");
+ free (newciptr);
+ *status = TRANS_ACCEPT_FAILED;
+ return NULL;
+ }
+
+ ciptr->addrlen = namelen;
+ /*
+ * Get the socket name and the peer name from the listener socket,
+ * since this is unix domain.
+ */
+
+ if ((newciptr->addr = malloc (ciptr->addrlen)) == NULL)
+ {
+ prmsg (1,
+ "SocketUNIXAccept: Can't allocate space for the addr\n");
+ close (newciptr->fd);
+ free (newciptr);
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return NULL;
+ }
+
+ /*
+ * if the socket is abstract, we already modified the address to have a
+ * @ instead of the initial NUL, so no need to do that again here.
+ */
+
+ newciptr->addrlen = ciptr->addrlen;
+ memcpy (newciptr->addr, ciptr->addr, newciptr->addrlen);
+
+ if ((newciptr->peeraddr = malloc (ciptr->addrlen)) == NULL)
+ {
+ prmsg (1,
+ "SocketUNIXAccept: Can't allocate space for the addr\n");
+ close (newciptr->fd);
+ if (newciptr->addr) free (newciptr->addr);
+ free (newciptr);
+ *status = TRANS_ACCEPT_BAD_MALLOC;
+ return NULL;
+ }
+
+ newciptr->peeraddrlen = ciptr->addrlen;
+ memcpy (newciptr->peeraddr, ciptr->addr, newciptr->addrlen);
+
+ newciptr->family = AF_UNIX;
+
+ *status = 0;
+
+ return newciptr;
+}
+
+#endif /* UNIXCONN */
+
+#endif /* TRANS_SERVER */
+
+
+#ifdef TRANS_CLIENT
+
+#ifdef TCPCONN
+
+#if defined(IPv6) && defined(AF_INET6)
+struct addrlist {
+ struct addrinfo * addr;
+ struct addrinfo * firstaddr;
+ char port[PORTBUFSIZE];
+ char host[MAXHOSTNAMELEN];
+};
+static struct addrlist *addrlist = NULL;
+#endif
+
+
+static int
+TRANS(SocketINETConnect) (XtransConnInfo ciptr,
+ const char *host, const char *port)
+
+{
+ struct sockaddr * socketaddr = NULL;
+ int socketaddrlen = 0;
+ int res;
+#if defined(IPv6) && defined(AF_INET6)
+ struct addrinfo hints;
+ char ntopbuf[INET6_ADDRSTRLEN];
+ int resetonce = 0;
+#else
+ struct sockaddr_in sockname;
+ struct hostent *hostp;
+ struct servent *servp;
+ unsigned long tmpaddr;
+#endif
+#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
+ _Xgethostbynameparams hparams;
+ _Xgetservbynameparams sparams;
+#endif
+#ifdef X11_t
+ char portbuf[PORTBUFSIZE];
+#endif
+
+ char hostnamebuf[256]; /* tmp space */
+
+ prmsg (2,"SocketINETConnect(%d,%s,%s)\n", ciptr->fd, host, port);
+
+ if (!host)
+ {
+ hostnamebuf[0] = '\0';
+ (void) TRANS(GetHostname) (hostnamebuf, sizeof hostnamebuf);
+ host = hostnamebuf;
+ }
+
+#ifdef X11_t
+ /*
+ * X has a well known port, that is transport dependent. It is easier
+ * to handle it here, than try and come up with a transport independent
+ * representation that can be passed in and resolved the usual way.
+ *
+ * The port that is passed here is really a string containing the idisplay
+ * from ConnectDisplay().
+ */
+
+ if (is_numeric (port))
+ {
+ long tmpport = X_TCP_PORT + strtol (port, (char**)NULL, 10);
+ snprintf (portbuf, sizeof(portbuf), "%lu", tmpport);
+ port = portbuf;
+ }
+#endif
+
+#if defined(IPv6) && defined(AF_INET6)
+ {
+ if (addrlist != NULL) {
+ if (strcmp(host,addrlist->host) || strcmp(port,addrlist->port)) {
+ if (addrlist->firstaddr)
+ freeaddrinfo(addrlist->firstaddr);
+ addrlist->firstaddr = NULL;
+ }
+ } else {
+ addrlist = malloc(sizeof(struct addrlist));
+ addrlist->firstaddr = NULL;
+ }
+
+ if (addrlist->firstaddr == NULL) {
+ strncpy(addrlist->port, port, sizeof(addrlist->port));
+ addrlist->port[sizeof(addrlist->port) - 1] = '\0';
+ strncpy(addrlist->host, host, sizeof(addrlist->host));
+ addrlist->host[sizeof(addrlist->host) - 1] = '\0';
+
+ bzero(&hints,sizeof(hints));
+ hints.ai_socktype = Sockettrans2devtab[ciptr->index].devcotsname;
+
+ res = getaddrinfo(host,port,&hints,&addrlist->firstaddr);
+ if (res != 0) {
+ prmsg (1, "SocketINETConnect() can't get address "
+ "for %s:%s: %s\n", host, port, gai_strerror(res));
+ ESET(EINVAL);
+ return TRANS_CONNECT_FAILED;
+ }
+ for (res = 0, addrlist->addr = addrlist->firstaddr;
+ addrlist->addr ; res++) {
+ addrlist->addr = addrlist->addr->ai_next;
+ }
+ prmsg(4,"Got New Address list with %d addresses\n", res);
+ res = 0;
+ addrlist->addr = NULL;
+ }
+
+ while (socketaddr == NULL) {
+ if (addrlist->addr == NULL) {
+ if (resetonce) {
+ /* Already checked entire list - no usable addresses */
+ prmsg (1, "SocketINETConnect() no usable address "
+ "for %s:%s\n", host, port);
+ return TRANS_CONNECT_FAILED;
+ } else {
+ /* Go back to beginning of list */
+ resetonce = 1;
+ addrlist->addr = addrlist->firstaddr;
+ }
+ }
+
+ socketaddr = addrlist->addr->ai_addr;
+ socketaddrlen = addrlist->addr->ai_addrlen;
+
+ if (addrlist->addr->ai_family == AF_INET) {
+ struct sockaddr_in *sin = (struct sockaddr_in *) socketaddr;
+
+ prmsg (4,"SocketINETConnect() sockname.sin_addr = %s\n",
+ inet_ntop(addrlist->addr->ai_family,&sin->sin_addr,
+ ntopbuf,sizeof(ntopbuf)));
+
+ prmsg (4,"SocketINETConnect() sockname.sin_port = %d\n",
+ ntohs(sin->sin_port));
+
+ if (Sockettrans2devtab[ciptr->index].family == AF_INET6) {
+ if (strcmp(Sockettrans2devtab[ciptr->index].transname,
+ "tcp") == 0) {
+ XtransConnInfo newciptr;
+
+ /*
+ * Our socket is an IPv6 socket, but the address is
+ * IPv4. Close it and get an IPv4 socket. This is
+ * needed for IPv4 connections to work on platforms
+ * that don't allow IPv4 over IPv6 sockets.
+ */
+ TRANS(SocketINETClose)(ciptr);
+ newciptr = TRANS(SocketOpenCOTSClientBase)(
+ "tcp", "tcp", host, port, ciptr->index);
+ if (newciptr)
+ ciptr->fd = newciptr->fd;
+ if (!newciptr ||
+ Sockettrans2devtab[newciptr->index].family !=
+ AF_INET) {
+ socketaddr = NULL;
+ prmsg (4,"SocketINETConnect() Cannot get IPv4 "
+ " socketfor IPv4 address\n");
+ }
+ if (newciptr)
+ free(newciptr);
+ } else {
+ socketaddr = NULL;
+ prmsg (4,"SocketINETConnect Skipping IPv4 address\n");
+ }
+ }
+ } else if (addrlist->addr->ai_family == AF_INET6) {
+ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) socketaddr;
+
+ prmsg (4,"SocketINETConnect() sockname.sin6_addr = %s\n",
+ inet_ntop(addrlist->addr->ai_family,
+ &sin6->sin6_addr,ntopbuf,sizeof(ntopbuf)));
+ prmsg (4,"SocketINETConnect() sockname.sin6_port = %d\n",
+ ntohs(sin6->sin6_port));
+
+ if (Sockettrans2devtab[ciptr->index].family == AF_INET) {
+ if (strcmp(Sockettrans2devtab[ciptr->index].transname,
+ "tcp") == 0) {
+ XtransConnInfo newciptr;
+
+ /*
+ * Close the IPv4 socket and try to open an IPv6 socket.
+ */
+ TRANS(SocketINETClose)(ciptr);
+ newciptr = TRANS(SocketOpenCOTSClientBase)(
+ "tcp", "tcp", host, port, -1);
+ if (newciptr)
+ ciptr->fd = newciptr->fd;
+ if (!newciptr ||
+ Sockettrans2devtab[newciptr->index].family !=
+ AF_INET6) {
+ socketaddr = NULL;
+ prmsg (4,"SocketINETConnect() Cannot get IPv6 "
+ "socket for IPv6 address\n");
+ }
+ if (newciptr)
+ free(newciptr);
+ }
+ else
+ {
+ socketaddr = NULL;
+ prmsg (4,"SocketINETConnect() Skipping IPv6 address\n");
+ }
+ }
+ } else {
+ socketaddr = NULL; /* Unsupported address type */
+ }
+ if (socketaddr == NULL) {
+ addrlist->addr = addrlist->addr->ai_next;
+ }
+ }
+ }
+#else
+ {
+ /*
+ * Build the socket name.
+ */
+
+#ifdef BSD44SOCKETS
+ sockname.sin_len = sizeof (struct sockaddr_in);
+#endif
+ sockname.sin_family = AF_INET;
+
+ /*
+ * fill in sin_addr
+ */
+
+#ifndef INADDR_NONE
+#define INADDR_NONE ((in_addr_t) 0xffffffff)
+#endif
+
+ /* check for ww.xx.yy.zz host string */
+
+ if (isascii (host[0]) && isdigit (host[0])) {
+ tmpaddr = inet_addr (host); /* returns network byte order */
+ } else {
+ tmpaddr = INADDR_NONE;
+ }
+
+ prmsg (4,"SocketINETConnect() inet_addr(%s) = %x\n", host, tmpaddr);
+
+ if (tmpaddr == INADDR_NONE) {
+ if ((hostp = _XGethostbyname(host,hparams)) == NULL) {
+ prmsg (1,"SocketINETConnect: Can't get address for %s\n",
+ host);
+ ESET(EINVAL);
+ return TRANS_CONNECT_FAILED;
+ }
+ if (hostp->h_addrtype != AF_INET) { /* is IP host? */
+ prmsg (1,"SocketINETConnect: not INET host%s\n", host);
+ ESET(EPROTOTYPE);
+ return TRANS_CONNECT_FAILED;
+ }
+
+ memcpy ((char *) &sockname.sin_addr, (char *) hostp->h_addr,
+ sizeof (sockname.sin_addr));
+
+ } else {
+ sockname.sin_addr.s_addr = tmpaddr;
+ }
+
+ /*
+ * fill in sin_port
+ */
+
+ /* Check for number in the port string */
+
+ if (!is_numeric (port)) {
+ if ((servp = _XGetservbyname (port,"tcp",sparams)) == NULL) {
+ prmsg (1,"SocketINETConnect: can't get service for %s\n",
+ port);
+ return TRANS_CONNECT_FAILED;
+ }
+ sockname.sin_port = htons (servp->s_port);
+ } else {
+ long tmpport = strtol (port, (char**)NULL, 10);
+ if (tmpport < 1024 || tmpport > USHRT_MAX)
+ return TRANS_CONNECT_FAILED;
+ sockname.sin_port = htons (((unsigned short) tmpport));
+ }
+
+ prmsg (4,"SocketINETConnect: sockname.sin_port = %d\n",
+ ntohs(sockname.sin_port));
+ socketaddr = (struct sockaddr *) &sockname;
+ socketaddrlen = sizeof(sockname);
+ }
+#endif
+
+ /*
+ * Turn on socket keepalive so the client process will eventually
+ * be notified with a SIGPIPE signal if the display server fails
+ * to respond to a periodic transmission of messages
+ * on the connected socket.
+ * This is useful to avoid hung application processes when the
+ * processes are not spawned from the xdm session and
+ * the display server terminates abnormally.
+ * (Someone turned off the power switch.)
+ */
+
+ {
+ int tmp = 1;
+ setsockopt (ciptr->fd, SOL_SOCKET, SO_KEEPALIVE,
+ (char *) &tmp, sizeof (int));
+ }
+
+ /*
+ * Do the connect()
+ */
+
+ if (connect (ciptr->fd, socketaddr, socketaddrlen ) < 0)
+ {
+#ifdef WIN32
+ int olderrno = WSAGetLastError();
+#else
+ int olderrno = errno;
+#endif
+
+ /*
+ * If the error was ECONNREFUSED, the server may be overloaded
+ * and we should try again.
+ *
+ * If the error was EWOULDBLOCK or EINPROGRESS then the socket
+ * was non-blocking and we should poll using select
+ *
+ * If the error was EINTR, the connect was interrupted and we
+ * should try again.
+ *
+ * If multiple addresses are found for a host then we should
+ * try to connect again with a different address for a larger
+ * number of errors that made us quit before, since those
+ * could be caused by trying to use an IPv6 address to contact
+ * a machine with an IPv4-only server or other reasons that
+ * only affect one of a set of addresses.
+ */
+
+ if (olderrno == ECONNREFUSED || olderrno == EINTR
+#if defined(IPv6) && defined(AF_INET6)
+ || (((addrlist->addr->ai_next != NULL) ||
+ (addrlist->addr != addrlist->firstaddr)) &&
+ (olderrno == ENETUNREACH || olderrno == EAFNOSUPPORT ||
+ olderrno == EADDRNOTAVAIL || olderrno == ETIMEDOUT
+#if defined(EHOSTDOWN)
+ || olderrno == EHOSTDOWN
+#endif
+ ))
+#endif
+ )
+ res = TRANS_TRY_CONNECT_AGAIN;
+ else if (olderrno == EWOULDBLOCK || olderrno == EINPROGRESS)
+ res = TRANS_IN_PROGRESS;
+ else
+ {
+ prmsg (2,"SocketINETConnect: Can't connect: errno = %d\n",
+ olderrno);
+
+ res = TRANS_CONNECT_FAILED;
+ }
+ } else {
+ res = 0;
+
+
+ /*
+ * Sync up the address fields of ciptr.
+ */
+
+ if (TRANS(SocketINETGetAddr) (ciptr) < 0)
+ {
+ prmsg (1,
+ "SocketINETConnect: ...SocketINETGetAddr() failed:\n");
+ res = TRANS_CONNECT_FAILED;
+ }
+
+ else if (TRANS(SocketINETGetPeerAddr) (ciptr) < 0)
+ {
+ prmsg (1,
+ "SocketINETConnect: ...SocketINETGetPeerAddr() failed:\n");
+ res = TRANS_CONNECT_FAILED;
+ }
+ }
+
+#if defined(IPv6) && defined(AF_INET6)
+ if (res != 0) {
+ addrlist->addr = addrlist->addr->ai_next;
+ }
+#endif
+
+ return res;
+}
+
+#endif /* TCPCONN */
+
+
+
+#ifdef UNIXCONN
+
+/*
+ * Make sure 'host' is really local.
+ */
+
+static int
+UnixHostReallyLocal (const char *host)
+
+{
+ char hostnamebuf[256];
+
+ TRANS(GetHostname) (hostnamebuf, sizeof (hostnamebuf));
+
+ if (strcmp (hostnamebuf, host) == 0)
+ {
+ return (1);
+ } else {
+#if defined(IPv6) && defined(AF_INET6)
+ struct addrinfo *localhostaddr;
+ struct addrinfo *otherhostaddr;
+ struct addrinfo *i, *j;
+ int equiv = 0;
+
+ if (getaddrinfo(hostnamebuf, NULL, NULL, &localhostaddr) != 0)
+ return 0;
+ if (getaddrinfo(host, NULL, NULL, &otherhostaddr) != 0) {
+ freeaddrinfo(localhostaddr);
+ return 0;
+ }
+
+ for (i = localhostaddr; i != NULL && equiv == 0; i = i->ai_next) {
+ for (j = otherhostaddr; j != NULL && equiv == 0; j = j->ai_next) {
+ if (i->ai_family == j->ai_family) {
+ if (i->ai_family == AF_INET) {
+ struct sockaddr_in *sinA
+ = (struct sockaddr_in *) i->ai_addr;
+ struct sockaddr_in *sinB
+ = (struct sockaddr_in *) j->ai_addr;
+ struct in_addr *A = &sinA->sin_addr;
+ struct in_addr *B = &sinB->sin_addr;
+
+ if (memcmp(A,B,sizeof(struct in_addr)) == 0) {
+ equiv = 1;
+ }
+ } else if (i->ai_family == AF_INET6) {
+ struct sockaddr_in6 *sinA
+ = (struct sockaddr_in6 *) i->ai_addr;
+ struct sockaddr_in6 *sinB
+ = (struct sockaddr_in6 *) j->ai_addr;
+ struct in6_addr *A = &sinA->sin6_addr;
+ struct in6_addr *B = &sinB->sin6_addr;
+
+ if (memcmp(A,B,sizeof(struct in6_addr)) == 0) {
+ equiv = 1;
+ }
+ }
+ }
+ }
+ }
+
+ freeaddrinfo(localhostaddr);
+ freeaddrinfo(otherhostaddr);
+ return equiv;
+#else
+ /*
+ * A host may have more than one network address. If any of the
+ * network addresses of 'host' (specified to the connect call)
+ * match any of the network addresses of 'hostname' (determined
+ * by TRANS(GetHostname)), then the two hostnames are equivalent,
+ * and we know that 'host' is really a local host.
+ */
+ char specified_local_addr_list[10][4];
+ int scount, equiv, i, j;
+#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
+ _Xgethostbynameparams hparams;
+#endif
+ struct hostent *hostp;
+
+ if ((hostp = _XGethostbyname (host,hparams)) == NULL)
+ return (0);
+
+ scount = 0;
+ while (hostp->h_addr_list[scount] && scount <= 8)
+ {
+ /*
+ * The 2nd call to gethostname() overrides the data
+ * from the 1st call, so we must save the address list.
+ */
+
+ specified_local_addr_list[scount][0] =
+ hostp->h_addr_list[scount][0];
+ specified_local_addr_list[scount][1] =
+ hostp->h_addr_list[scount][1];
+ specified_local_addr_list[scount][2] =
+ hostp->h_addr_list[scount][2];
+ specified_local_addr_list[scount][3] =
+ hostp->h_addr_list[scount][3];
+ scount++;
+ }
+ if ((hostp = _XGethostbyname (hostnamebuf,hparams)) == NULL)
+ return (0);
+
+ equiv = 0;
+ i = 0;
+
+ while (i < scount && !equiv)
+ {
+ j = 0;
+
+ while (hostp->h_addr_list[j])
+ {
+ if ((specified_local_addr_list[i][0] ==
+ hostp->h_addr_list[j][0]) &&
+ (specified_local_addr_list[i][1] ==
+ hostp->h_addr_list[j][1]) &&
+ (specified_local_addr_list[i][2] ==
+ hostp->h_addr_list[j][2]) &&
+ (specified_local_addr_list[i][3] ==
+ hostp->h_addr_list[j][3]))
+ {
+ /* They're equal, so we're done */
+
+ equiv = 1;
+ break;
+ }
+
+ j++;
+ }
+
+ i++;
+ }
+ return (equiv);
+#endif
+ }
+}
+
+static int
+TRANS(SocketUNIXConnect) (XtransConnInfo ciptr,
+ const char *host, const char *port)
+
+{
+ struct sockaddr_un sockname;
+ SOCKLEN_T namelen;
+
+
+ int abstract = 0;
+#ifdef HAVE_ABSTRACT_SOCKETS
+ abstract = ciptr->transptr->flags & TRANS_ABSTRACT;
+#endif
+
+ prmsg (2,"SocketUNIXConnect(%d,%s,%s)\n", ciptr->fd, host, port);
+
+ /*
+ * Make sure 'host' is really local. If not, we return failure.
+ * The reason we make this check is because a process may advertise
+ * a "local" network ID for which it can accept connections, but if
+ * a process on a remote machine tries to connect to this network ID,
+ * we know for sure it will fail.
+ */
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+ if (host && *host && host[0]!='/' && strcmp(host, "unix") != 0 && strcasecmp(host, "nx") != 0 &&
+ strncasecmp(host, "nx,", 3) != 0 && !UnixHostReallyLocal (host))
+#else
+ if (host && *host && host[0]!='/' && strcmp (host, "unix") != 0 && !UnixHostReallyLocal (host))
+#endif
+ {
+ prmsg (1,
+ "SocketUNIXConnect: Cannot connect to non-local host %s\n",
+ host);
+ return TRANS_CONNECT_FAILED;
+ }
+
+
+ /*
+ * Check the port.
+ */
+
+ if (!port || !*port)
+ {
+ prmsg (1,"SocketUNIXConnect: Missing port specification\n");
+ return TRANS_CONNECT_FAILED;
+ }
+
+ /*
+ * Build the socket name.
+ */
+
+ sockname.sun_family = AF_UNIX;
+
+#ifdef NX_TRANS_SOCKET
+ if (set_sun_path(port, _NXGetUnixPath(UNIX_PATH), sockname.sun_path, abstract) != 0) {
+#else
+ if (set_sun_path(port, UNIX_PATH, sockname.sun_path, abstract) != 0) {
+#endif
+ prmsg (1, "SocketUNIXConnect: path too long\n");
+ return TRANS_CONNECT_FAILED;
+ }
+
+#if (defined(BSD44SOCKETS) || defined(__UNIXWARE__))
+ sockname.sun_len = strlen (sockname.sun_path);
+#endif
+
+#if defined(BSD44SOCKETS) || defined(SUN_LEN)
+ namelen = SUN_LEN (&sockname);
+#else
+ namelen = strlen (sockname.sun_path) + offsetof(struct sockaddr_un, sun_path);
+#endif
+
+
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ if (ciptr->priv != NULL)
+ {
+ if (TRANS(SocketConnectConnInfo) (ciptr, host, port) != 0)
+ {
+ return TRANS_CONNECT_FAILED;
+ }
+
+ goto SocketUNIXConnectPost;
+ }
+
+#endif
+
+ /*
+ * Adjust the socket path if using abstract sockets.
+ * Done here because otherwise all the strlen() calls above would fail.
+ */
+
+ if (abstract) {
+ sockname.sun_path[0] = '\0';
+ }
+
+ /*
+ * Do the connect()
+ */
+
+ if (connect (ciptr->fd, (struct sockaddr *) &sockname, namelen) < 0)
+ {
+ int olderrno = errno;
+ int connected = 0;
+
+ if (!connected)
+ {
+ errno = olderrno;
+
+ /*
+ * If the error was ENOENT, the server may be starting up; we used
+ * to suggest to try again in this case with
+ * TRANS_TRY_CONNECT_AGAIN, but this introduced problems for
+ * processes still referencing stale sockets in their environment.
+ * Hence, we now return a hard error, TRANS_CONNECT_FAILED, and it
+ * is suggested that higher level stacks handle retries on their
+ * level when they face a slow starting server.
+ *
+ * If the error was EWOULDBLOCK or EINPROGRESS then the socket
+ * was non-blocking and we should poll using select
+ *
+ * If the error was EINTR, the connect was interrupted and we
+ * should try again.
+ */
+
+ if (olderrno == EWOULDBLOCK || olderrno == EINPROGRESS)
+ return TRANS_IN_PROGRESS;
+ else if (olderrno == EINTR)
+ return TRANS_TRY_CONNECT_AGAIN;
+ else if (olderrno == ENOENT || olderrno == ECONNREFUSED) {
+ /* If opening as abstract socket failed, try again normally */
+ if (abstract) {
+ ciptr->transptr->flags &= ~(TRANS_ABSTRACT);
+ return TRANS_TRY_CONNECT_AGAIN;
+ } else {
+ return TRANS_CONNECT_FAILED;
+ }
+ } else {
+ prmsg (2,"SocketUNIXConnect: Can't connect: errno = %d\n",
+ EGET());
+
+ return TRANS_CONNECT_FAILED;
+ }
+ }
+ }
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+SocketUNIXConnectPost:
+
+#endif
+
+ /*
+ * Get the socket name and the peer name from the connect socket,
+ * since this is unix domain.
+ */
+
+ if ((ciptr->addr = malloc(namelen)) == NULL ||
+ (ciptr->peeraddr = malloc(namelen)) == NULL)
+ {
+ prmsg (1,
+ "SocketUNIXCreateListener: Can't allocate space for the addr\n");
+ return TRANS_CONNECT_FAILED;
+ }
+
+ if (abstract)
+ sockname.sun_path[0] = '@';
+
+ ciptr->family = AF_UNIX;
+ ciptr->addrlen = namelen;
+ ciptr->peeraddrlen = namelen;
+ memcpy (ciptr->addr, &sockname, ciptr->addrlen);
+ memcpy (ciptr->peeraddr, &sockname, ciptr->peeraddrlen);
+
+ return 0;
+}
+
+#endif /* UNIXCONN */
+
+#endif /* TRANS_CLIENT */
+
+
+static int
+TRANS(SocketBytesReadable) (XtransConnInfo ciptr, BytesReadable_t *pend)
+
+{
+ prmsg (2,"SocketBytesReadable(%p,%d,%p)\n",
+ (void *) ciptr, ciptr->fd, (void *) pend);
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ if (ciptr->priv)
+ {
+ if (NXTransRunning(ciptr->fd) == 0)
+ {
+ /*
+ * Force the application to shut down the
+ * socket if the NX transport is gone. We
+ * may probably save this additional call.
+ */
+
+#ifdef NX_TRANS_DEBUG
+ fprintf(stderr, "SocketBytesReadable: NX transport not running for descriptor [%d].\n",
+ ciptr->fd);
+#endif
+ ESET(EPIPE);
+
+ return -1;
+ }
+ else
+ {
+ /*
+ * Emulate BytesReadable. Some X applications may use the system
+ * select() in their main loop, instead of the _XSelect() that is
+ * replaced by NX. Still these applications use _XEventsQueued to
+ * poll events from the X connection, and _XEventsQueued uses the
+ * NX _XSelect(), so it is generally possible to let the client
+ * yield the control to NX and let it handle the I/O on the proxy
+ * descriptors even if the application is not explicitly designed
+ * to work as a NX agent.
+ */
+
+#ifdef NX_TRANS_DEBUG
+
+ int result;
+
+ result = NXTransReadable(ciptr->fd, (int *) pend);
+
+ fprintf(stderr, "SocketBytesReadable: Descriptor [%d] result [%d] readable [%ld].\n",
+ ciptr->fd, result, *pend);
+
+ return result;
+#else
+ return NXTransReadable(ciptr->fd, (int *) pend);
+#endif
+ }
+ }
+
+#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+
+#ifdef WIN32
+ {
+ int ret = ioctlsocket ((SOCKET) ciptr->fd, FIONREAD, (u_long *) pend);
+ if (ret == SOCKET_ERROR) errno = WSAGetLastError();
+ return ret;
+ }
+#else
+ return ioctl (ciptr->fd, FIONREAD, (char *) pend);
+#endif /* WIN32 */
+}
+
+#if XTRANS_SEND_FDS
+
+static void
+appendFd(struct _XtransConnFd **prev, int fd, int do_close)
+{
+ struct _XtransConnFd *cf, *new;
+
+ new = malloc (sizeof (struct _XtransConnFd));
+ if (!new) {
+ /* XXX mark connection as broken */
+ close(fd);
+ return;
+ }
+ new->next = 0;
+ new->fd = fd;
+ new->do_close = do_close;
+ /* search to end of list */
+ for (; (cf = *prev); prev = &(cf->next));
+ *prev = new;
+}
+
+static int
+removeFd(struct _XtransConnFd **prev)
+{
+ struct _XtransConnFd *cf;
+ int fd;
+
+ if ((cf = *prev)) {
+ *prev = cf->next;
+ fd = cf->fd;
+ free(cf);
+ } else
+ fd = -1;
+ return fd;
+}
+
+static void
+discardFd(struct _XtransConnFd **prev, struct _XtransConnFd *upto, int do_close)
+{
+ struct _XtransConnFd *cf, *next;
+
+ for (cf = *prev; cf != upto; cf = next) {
+ next = cf->next;
+ if (do_close || cf->do_close)
+ close(cf->fd);
+ free(cf);
+ }
+ *prev = upto;
+}
+
+static void
+cleanupFds(XtransConnInfo ciptr)
+{
+ /* Clean up the send list but don't close the fds */
+ discardFd(&ciptr->send_fds, NULL, 0);
+ /* Clean up the recv list and *do* close the fds */
+ discardFd(&ciptr->recv_fds, NULL, 1);
+}
+
+static int
+nFd(struct _XtransConnFd **prev)
+{
+ struct _XtransConnFd *cf;
+ int n = 0;
+
+ for (cf = *prev; cf; cf = cf->next)
+ n++;
+ return n;
+}
+
+static int
+TRANS(SocketRecvFd) (XtransConnInfo ciptr)
+{
+ prmsg (2, "SocketRecvFd(%d)\n", ciptr->fd);
+ return removeFd(&ciptr->recv_fds);
+}
+
+static int
+TRANS(SocketSendFd) (XtransConnInfo ciptr, int fd, int do_close)
+{
+ appendFd(&ciptr->send_fds, fd, do_close);
+ return 0;
+}
+
+static int
+TRANS(SocketRecvFdInvalid)(XtransConnInfo ciptr)
+{
+ errno = EINVAL;
+ return -1;
+}
+
+static int
+TRANS(SocketSendFdInvalid)(XtransConnInfo ciptr, int fd, int do_close)
+{
+ errno = EINVAL;
+ return -1;
+}
+
+#define MAX_FDS 128
+
+union fd_pass {
+ struct cmsghdr cmsghdr;
+ char buf[CMSG_SPACE(MAX_FDS * sizeof(int))];
+};
+
+#endif /* XTRANS_SEND_FDS */
+
+static int
+TRANS(SocketRead) (XtransConnInfo ciptr, char *buf, int size)
+
+{
+ prmsg (2,"SocketRead(%d,%p,%d)\n", ciptr->fd, (void *) buf, size);
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ /*
+ * If we have a valid priv pointer then this
+ * is an internal connection to the proxy.
+ * In this case we should emulate the read.
+ */
+
+ if (ciptr->priv)
+ {
+ int result;
+
+ result = NXTransRead(ciptr->fd, buf, size);
+
+#ifdef NX_TRANS_DEBUG
+ if (result < 0 && EGET() == EAGAIN)
+ {
+ fprintf(stderr, "SocketRead: Read from descriptor [%d] would block.\n",
+ ciptr->fd);
+ }
+ else
+ {
+ fprintf(stderr, "SocketRead: Read [%d] bytes from descriptor [%d].\n",
+ result, ciptr->fd);
+ }
+#endif
+ return result;
+ }
+ else
+ {
+ /* FIXME: same code as below, should be possible without duplication */
+#if XTRANS_SEND_FDS
+ struct iovec iov = {
+ .iov_base = buf,
+ .iov_len = size
+ };
+ union fd_pass cmsgbuf;
+ struct msghdr msg = {
+ .msg_name = NULL,
+ .msg_namelen = 0,
+ .msg_iov = &iov,
+ .msg_iovlen = 1,
+ .msg_control = cmsgbuf.buf,
+ .msg_controllen = CMSG_LEN(MAX_FDS * sizeof(int))
+ };
+
+ size = recvmsg(ciptr->fd, &msg, 0);
+ if (size >= 0) {
+ struct cmsghdr *hdr;
+
+ for (hdr = CMSG_FIRSTHDR(&msg); hdr; hdr = CMSG_NXTHDR(&msg, hdr)) {
+ if (hdr->cmsg_level == SOL_SOCKET && hdr->cmsg_type == SCM_RIGHTS) {
+ int nfd = (hdr->cmsg_len - CMSG_LEN(0)) / sizeof (int);
+ int i;
+ int *fd = (int *) CMSG_DATA(hdr);
+
+ for (i = 0; i < nfd; i++)
+ appendFd(&ciptr->recv_fds, fd[i], 0);
+ }
+ }
+ }
+ return size;
+#else
+ return read (ciptr->fd, buf, size);
+#endif /* XTRANS_SEND_FDS */
+ }
+
+#else /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+
+#if defined(WIN32)
+ {
+ int ret = recv ((SOCKET)ciptr->fd, buf, size, 0);
+#ifdef WIN32
+ if (ret == SOCKET_ERROR) errno = WSAGetLastError();
+#endif
+ return ret;
+ }
+#else
+#if XTRANS_SEND_FDS
+ {
+ struct iovec iov = {
+ .iov_base = buf,
+ .iov_len = size
+ };
+ union fd_pass cmsgbuf;
+ struct msghdr msg = {
+ .msg_name = NULL,
+ .msg_namelen = 0,
+ .msg_iov = &iov,
+ .msg_iovlen = 1,
+ .msg_control = cmsgbuf.buf,
+ .msg_controllen = CMSG_LEN(MAX_FDS * sizeof(int))
+ };
+
+ size = recvmsg(ciptr->fd, &msg, 0);
+ if (size >= 0) {
+ struct cmsghdr *hdr;
+
+ for (hdr = CMSG_FIRSTHDR(&msg); hdr; hdr = CMSG_NXTHDR(&msg, hdr)) {
+ if (hdr->cmsg_level == SOL_SOCKET && hdr->cmsg_type == SCM_RIGHTS) {
+ int nfd = (hdr->cmsg_len - CMSG_LEN(0)) / sizeof (int);
+ int i;
+ int *fd = (int *) CMSG_DATA(hdr);
+
+ for (i = 0; i < nfd; i++)
+ appendFd(&ciptr->recv_fds, fd[i], 0);
+ }
+ }
+ }
+ return size;
+ }
+#else
+ return read (ciptr->fd, buf, size);
+#endif /* XTRANS_SEND_FDS */
+#endif /* WIN32 */
+
+#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+}
+
+static int
+TRANS(SocketReadv) (XtransConnInfo ciptr, struct iovec *buf, int size)
+
+{
+ prmsg (2,"SocketReadv(%d,%p,%d)\n", ciptr->fd, (void *) buf, size);
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ /*
+ * If we have a valid priv pointer then this
+ * is an internal connection to the proxy.
+ * In this case we should emulate the readv.
+ */
+
+ if (ciptr->priv)
+ {
+ return NXTransReadVector(ciptr->fd, buf, size);
+ }
+ else
+ {
+ /* FIXME: same code as below, should be possible without duplication */
+#if XTRANS_SEND_FDS
+ union fd_pass cmsgbuf;
+ struct msghdr msg = {
+ .msg_name = NULL,
+ .msg_namelen = 0,
+ .msg_iov = buf,
+ .msg_iovlen = size,
+ .msg_control = cmsgbuf.buf,
+ .msg_controllen = CMSG_LEN(MAX_FDS * sizeof(int))
+ };
+
+ size = recvmsg(ciptr->fd, &msg, 0);
+ if (size >= 0) {
+ struct cmsghdr *hdr;
+
+ for (hdr = CMSG_FIRSTHDR(&msg); hdr; hdr = CMSG_NXTHDR(&msg, hdr)) {
+ if (hdr->cmsg_level == SOL_SOCKET && hdr->cmsg_type == SCM_RIGHTS) {
+ int nfd = (hdr->cmsg_len - CMSG_LEN(0)) / sizeof (int);
+ int i;
+ int *fd = (int *) CMSG_DATA(hdr);
+
+ for (i = 0; i < nfd; i++)
+ appendFd(&ciptr->recv_fds, fd[i], 0);
+ }
+ }
+ }
+ return size;
+#else
+ return READV (ciptr, buf, size);
+#endif
+ }
+
+#else /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+
+#if XTRANS_SEND_FDS
+ {
+ union fd_pass cmsgbuf;
+ struct msghdr msg = {
+ .msg_name = NULL,
+ .msg_namelen = 0,
+ .msg_iov = buf,
+ .msg_iovlen = size,
+ .msg_control = cmsgbuf.buf,
+ .msg_controllen = CMSG_LEN(MAX_FDS * sizeof(int))
+ };
+
+ size = recvmsg(ciptr->fd, &msg, 0);
+ if (size >= 0) {
+ struct cmsghdr *hdr;
+
+ for (hdr = CMSG_FIRSTHDR(&msg); hdr; hdr = CMSG_NXTHDR(&msg, hdr)) {
+ if (hdr->cmsg_level == SOL_SOCKET && hdr->cmsg_type == SCM_RIGHTS) {
+ int nfd = (hdr->cmsg_len - CMSG_LEN(0)) / sizeof (int);
+ int i;
+ int *fd = (int *) CMSG_DATA(hdr);
+
+ for (i = 0; i < nfd; i++)
+ appendFd(&ciptr->recv_fds, fd[i], 0);
+ }
+ }
+ }
+ return size;
+ }
+#else
+ return READV (ciptr, buf, size);
+#endif
+
+#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+}
+
+
+static int
+TRANS(SocketWritev) (XtransConnInfo ciptr, struct iovec *buf, int size)
+
+{
+ prmsg (2,"SocketWritev(%d,%p,%d)\n", ciptr->fd, (void *) buf, size);
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ /*
+ * If we have a valid priv pointer then this
+ * is an internal connection to the proxy.
+ * In this case we should emulate the writev.
+ */
+
+ if (ciptr->priv)
+ {
+ return NXTransWriteVector(ciptr->fd, buf, size);
+ }
+ else
+ {
+ /* FIXME: same code as below, should be possible without duplication */
+#if XTRANS_SEND_FDS
+ if (ciptr->send_fds)
+ {
+ union fd_pass cmsgbuf;
+ int nfd = nFd(&ciptr->send_fds);
+ struct _XtransConnFd *cf = ciptr->send_fds;
+ struct msghdr msg = {
+ .msg_name = NULL,
+ .msg_namelen = 0,
+ .msg_iov = buf,
+ .msg_iovlen = size,
+ .msg_control = cmsgbuf.buf,
+ .msg_controllen = CMSG_LEN(nfd * sizeof(int))
+ };
+ struct cmsghdr *hdr = CMSG_FIRSTHDR(&msg);
+ int i;
+ int *fds;
+
+ hdr->cmsg_len = msg.msg_controllen;
+ hdr->cmsg_level = SOL_SOCKET;
+ hdr->cmsg_type = SCM_RIGHTS;
+
+ fds = (int *) CMSG_DATA(hdr);
+ /* Set up fds */
+ for (i = 0; i < nfd; i++) {
+ fds[i] = cf->fd;
+ cf = cf->next;
+ }
+
+ i = sendmsg(ciptr->fd, &msg, 0);
+ if (i > 0)
+ discardFd(&ciptr->send_fds, cf, 0);
+ return i;
+ }
+#endif
+ return WRITEV (ciptr, buf, size);
+ }
+
+#else /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+
+#if XTRANS_SEND_FDS
+ if (ciptr->send_fds)
+ {
+ union fd_pass cmsgbuf;
+ int nfd = nFd(&ciptr->send_fds);
+ struct _XtransConnFd *cf = ciptr->send_fds;
+ struct msghdr msg = {
+ .msg_name = NULL,
+ .msg_namelen = 0,
+ .msg_iov = buf,
+ .msg_iovlen = size,
+ .msg_control = cmsgbuf.buf,
+ .msg_controllen = CMSG_LEN(nfd * sizeof(int))
+ };
+ struct cmsghdr *hdr = CMSG_FIRSTHDR(&msg);
+ int i;
+ int *fds;
+
+ hdr->cmsg_len = msg.msg_controllen;
+ hdr->cmsg_level = SOL_SOCKET;
+ hdr->cmsg_type = SCM_RIGHTS;
+
+ fds = (int *) CMSG_DATA(hdr);
+ /* Set up fds */
+ for (i = 0; i < nfd; i++) {
+ fds[i] = cf->fd;
+ cf = cf->next;
+ }
+
+ i = sendmsg(ciptr->fd, &msg, 0);
+ if (i > 0)
+ discardFd(&ciptr->send_fds, cf, 0);
+ return i;
+ }
+#endif
+ return WRITEV (ciptr, buf, size);
+
+#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+}
+
+
+static int
+TRANS(SocketWrite) (XtransConnInfo ciptr, char *buf, int size)
+
+{
+ prmsg (2,"SocketWrite(%d,%p,%d)\n", ciptr->fd, (void *) buf, size);
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ /*
+ * If we have a valid priv pointer then this
+ * is an internal connection to the proxy.
+ * In this case we should emulate the write.
+ */
+
+ if (ciptr->priv)
+ {
+ int result;
+
+ result = NXTransWrite(ciptr->fd, buf, size);
+
+#ifdef NX_TRANS_DEBUG
+ if (result < 0 && EGET() == EAGAIN)
+ {
+ fprintf(stderr, "SocketWrite: Write on descriptor [%d] would block.\n",
+ ciptr->fd);
+ }
+ else
+ {
+ fprintf(stderr, "SocketWrite: Written [%d] bytes on descriptor [%d].\n",
+ result, ciptr->fd);
+ }
+#endif
+ return result;
+ }
+ else
+ {
+ /* FIXME: same code as below, should be possible without duplication */
+#if XTRANS_SEND_FDS
+ if (ciptr->send_fds)
+ {
+ struct iovec iov;
+
+ iov.iov_base = buf;
+ iov.iov_len = size;
+ return TRANS(SocketWritev)(ciptr, &iov, 1);
+ }
+#endif /* XTRANS_SEND_FDS */
+ return write (ciptr->fd, buf, size);
+ }
+
+#else /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+
+#if defined(WIN32)
+ {
+ int ret = send ((SOCKET)ciptr->fd, buf, size, 0);
+#ifdef WIN32
+ if (ret == SOCKET_ERROR) errno = WSAGetLastError();
+#endif
+ return ret;
+ }
+#else
+#if XTRANS_SEND_FDS
+ if (ciptr->send_fds)
+ {
+ struct iovec iov;
+
+ iov.iov_base = buf;
+ iov.iov_len = size;
+ return TRANS(SocketWritev)(ciptr, &iov, 1);
+ }
+#endif /* XTRANS_SEND_FDS */
+ return write (ciptr->fd, buf, size);
+#endif /* WIN32 */
+
+#endif /* #if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT) */
+}
+
+static int
+TRANS(SocketDisconnect) (XtransConnInfo ciptr)
+
+{
+ prmsg (2,"SocketDisconnect(%p,%d)\n", (void *) ciptr, ciptr->fd);
+
+#ifdef WIN32
+ {
+ int ret = shutdown (ciptr->fd, 2);
+ if (ret == SOCKET_ERROR) errno = WSAGetLastError();
+ return ret;
+ }
+#else
+ return shutdown (ciptr->fd, 2); /* disallow further sends and receives */
+#endif
+}
+
+
+#ifdef TCPCONN
+static int
+TRANS(SocketINETClose) (XtransConnInfo ciptr)
+
+{
+ prmsg (2,"SocketINETClose(%p,%d)\n", (void *) ciptr, ciptr->fd);
+
+#ifdef WIN32
+ {
+ int ret = close (ciptr->fd);
+ if (ret == SOCKET_ERROR) errno = WSAGetLastError();
+ return ret;
+ }
+#else
+ return close (ciptr->fd);
+#endif
+}
+
+#endif /* TCPCONN */
+
+
+#ifdef UNIXCONN
+static int
+TRANS(SocketUNIXClose) (XtransConnInfo ciptr)
+{
+ /*
+ * If this is the server side, then once the socket is closed,
+ * it must be unlinked to completely close it
+ */
+
+ struct sockaddr_un *sockname = (struct sockaddr_un *) ciptr->addr;
+ int ret;
+
+ prmsg (2,"SocketUNIXClose(%p,%d)\n", (void *) ciptr, ciptr->fd);
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ if (ciptr->priv)
+ {
+ TRANS(SocketCloseConnInfo) (ciptr);
+ }
+
+#endif
+
+#if XTRANS_SEND_FDS
+ cleanupFds(ciptr);
+#endif
+ ret = close(ciptr->fd);
+
+#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
+ fprintf(stderr, "SocketUNIXClose: Flags are [%d] for ciptr at [%p] check is [%d].\n",
+ ciptr->flags, (void *) ciptr, (ciptr->flags && sockname
+ && sockname->sun_family == AF_UNIX && sockname->sun_path[0]));
+#endif
+
+ if (ciptr->flags
+ && sockname
+ && sockname->sun_family == AF_UNIX
+ && sockname->sun_path[0])
+ {
+#if defined(NX_TRANS_SOCKET) && defined(NX_TRANS_TEST)
+ if (!(ciptr->flags & TRANS_NOUNLINK
+ || ciptr->transptr->flags & TRANS_ABSTRACT))
+ {
+ fprintf(stderr, "SocketUNIXClose: Unlinking path [%s] for ciptr at [%p].\n",
+ sockname->sun_path, (void *) ciptr);
+ unlink (sockname->sun_path);
+ }
+#else
+ if (!(ciptr->flags & TRANS_NOUNLINK
+ || ciptr->transptr->flags & TRANS_ABSTRACT))
+ unlink (sockname->sun_path);
+#endif
+ }
+
+ return ret;
+}
+
+static int
+TRANS(SocketUNIXCloseForCloning) (XtransConnInfo ciptr)
+
+{
+ /*
+ * Don't unlink path.
+ */
+
+ int ret;
+
+ prmsg (2,"SocketUNIXCloseForCloning(%p,%d)\n",
+ (void *) ciptr, ciptr->fd);
+
+#if defined(NX_TRANS_SOCKET) && defined(TRANS_CLIENT)
+
+ if (ciptr->priv)
+ {
+ TRANS(SocketCloseConnInfo) (ciptr);
+ }
+
+#endif
+
+#if XTRANS_SEND_FDS
+ cleanupFds(ciptr);
+#endif
+ ret = close(ciptr->fd);
+
+ return ret;
+}
+
+#endif /* UNIXCONN */
+
+
+#ifdef TCPCONN
+# ifdef TRANS_SERVER
+static const char* tcp_nolisten[] = {
+ "inet",
+#if defined(IPv6) && defined(AF_INET6)
+ "inet6",
+#endif
+ NULL
+};
+# endif
+
+Xtransport TRANS(SocketTCPFuncs) = {
+ /* Socket Interface */
+ "tcp",
+ TRANS_ALIAS,
+#ifdef TRANS_CLIENT
+ TRANS(SocketOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ tcp_nolisten,
+ TRANS(SocketOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(SocketReopenCOTSServer),
+#endif
+ TRANS(SocketSetOption),
+#ifdef TRANS_SERVER
+ TRANS(SocketINETCreateListener),
+ NULL, /* ResetListener */
+ TRANS(SocketINETAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(SocketINETConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(SocketBytesReadable),
+ TRANS(SocketRead),
+ TRANS(SocketWrite),
+ TRANS(SocketReadv),
+ TRANS(SocketWritev),
+#if XTRANS_SEND_FDS
+ TRANS(SocketSendFdInvalid),
+ TRANS(SocketRecvFdInvalid),
+#endif
+ TRANS(SocketDisconnect),
+ TRANS(SocketINETClose),
+ TRANS(SocketINETClose),
+ };
+
+Xtransport TRANS(SocketINETFuncs) = {
+ /* Socket Interface */
+ "inet",
+ 0,
+#ifdef TRANS_CLIENT
+ TRANS(SocketOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ NULL,
+ TRANS(SocketOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(SocketReopenCOTSServer),
+#endif
+ TRANS(SocketSetOption),
+#ifdef TRANS_SERVER
+ TRANS(SocketINETCreateListener),
+ NULL, /* ResetListener */
+ TRANS(SocketINETAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(SocketINETConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(SocketBytesReadable),
+ TRANS(SocketRead),
+ TRANS(SocketWrite),
+ TRANS(SocketReadv),
+ TRANS(SocketWritev),
+#if XTRANS_SEND_FDS
+ TRANS(SocketSendFdInvalid),
+ TRANS(SocketRecvFdInvalid),
+#endif
+ TRANS(SocketDisconnect),
+ TRANS(SocketINETClose),
+ TRANS(SocketINETClose),
+ };
+
+#if defined(IPv6) && defined(AF_INET6)
+Xtransport TRANS(SocketINET6Funcs) = {
+ /* Socket Interface */
+ "inet6",
+ 0,
+#ifdef TRANS_CLIENT
+ TRANS(SocketOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ NULL,
+ TRANS(SocketOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(SocketReopenCOTSServer),
+#endif
+ TRANS(SocketSetOption),
+#ifdef TRANS_SERVER
+ TRANS(SocketINETCreateListener),
+ NULL, /* ResetListener */
+ TRANS(SocketINETAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(SocketINETConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(SocketBytesReadable),
+ TRANS(SocketRead),
+ TRANS(SocketWrite),
+ TRANS(SocketReadv),
+ TRANS(SocketWritev),
+#if XTRANS_SEND_FDS
+ TRANS(SocketSendFdInvalid),
+ TRANS(SocketRecvFdInvalid),
+#endif
+ TRANS(SocketDisconnect),
+ TRANS(SocketINETClose),
+ TRANS(SocketINETClose),
+ };
+#endif /* IPv6 */
+#endif /* TCPCONN */
+
+#ifdef UNIXCONN
+#if !defined(LOCALCONN)
+Xtransport TRANS(SocketLocalFuncs) = {
+ /* Socket Interface */
+ "local",
+#ifdef HAVE_ABSTRACT_SOCKETS
+ TRANS_ABSTRACT,
+#else
+ 0,
+#endif
+#ifdef TRANS_CLIENT
+ TRANS(SocketOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+ NULL,
+ TRANS(SocketOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(SocketReopenCOTSServer),
+#endif
+ TRANS(SocketSetOption),
+#ifdef TRANS_SERVER
+ TRANS(SocketUNIXCreateListener),
+ TRANS(SocketUNIXResetListener),
+ TRANS(SocketUNIXAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(SocketUNIXConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(SocketBytesReadable),
+ TRANS(SocketRead),
+ TRANS(SocketWrite),
+ TRANS(SocketReadv),
+ TRANS(SocketWritev),
+#if XTRANS_SEND_FDS
+ TRANS(SocketSendFd),
+ TRANS(SocketRecvFd),
+#endif
+ TRANS(SocketDisconnect),
+ TRANS(SocketUNIXClose),
+ TRANS(SocketUNIXCloseForCloning),
+ };
+#endif /* !LOCALCONN */
+# ifdef TRANS_SERVER
+# if !defined(LOCALCONN)
+static const char* unix_nolisten[] = { "local" , NULL };
+# endif
+# endif
+
+Xtransport TRANS(SocketUNIXFuncs) = {
+ /* Socket Interface */
+ "unix",
+#if !defined(LOCALCONN) && !defined(HAVE_ABSTRACT_SOCKETS)
+ TRANS_ALIAS,
+#else
+ 0,
+#endif
+#ifdef TRANS_CLIENT
+ TRANS(SocketOpenCOTSClient),
+#endif /* TRANS_CLIENT */
+#ifdef TRANS_SERVER
+#if !defined(LOCALCONN)
+ unix_nolisten,
+#else
+ NULL,
+#endif
+ TRANS(SocketOpenCOTSServer),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_REOPEN
+ TRANS(SocketReopenCOTSServer),
+#endif
+ TRANS(SocketSetOption),
+#ifdef TRANS_SERVER
+ TRANS(SocketUNIXCreateListener),
+ TRANS(SocketUNIXResetListener),
+ TRANS(SocketUNIXAccept),
+#endif /* TRANS_SERVER */
+#ifdef TRANS_CLIENT
+ TRANS(SocketUNIXConnect),
+#endif /* TRANS_CLIENT */
+ TRANS(SocketBytesReadable),
+ TRANS(SocketRead),
+ TRANS(SocketWrite),
+ TRANS(SocketReadv),
+ TRANS(SocketWritev),
+#if XTRANS_SEND_FDS
+ TRANS(SocketSendFd),
+ TRANS(SocketRecvFd),
+#endif
+ TRANS(SocketDisconnect),
+ TRANS(SocketUNIXClose),
+ TRANS(SocketUNIXCloseForCloning),
+ };
+
+#endif /* UNIXCONN */
+
+#ifdef NX_TRANS_SOCKET
+/*
+ * Override the UNIX_DIR and UNIX_PATH settings and
+ * make them configurable, based on the NX_TEMP or
+ * the TEMP environment.
+ *
+ * We must be careful as the same defines are used
+ * for different directories, based on the subsystem
+ * that is compiling this, while we want to override
+ * only the '/tmp/.X11-unix' and '/tmp/.X11-unix/X'
+ * settings.
+ */
+
+static char _NXUnixDir[1024];
+static char _NXUnixPath[1024];
+
+static char *_NXGetUnixDir(char *dir)
+{
+ const char *tempDir;
+
+ prmsg (3, "_NXGetUnixDir(%s)\n", dir);
+
+ if (strcmp(dir, UNIX_DIR) != 0)
+ {
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixDir: Returning other Unix directory [%s].\n", dir);
+#endif
+ return dir;
+ }
+
+ /*
+ * Check the environment only once.
+ */
+
+ if (*_NXUnixDir != '\0')
+ {
+ return _NXUnixDir;
+ }
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixDir: Trying with the NX_TEMP environment.\n");
+#endif
+
+ tempDir = getenv("NX_TEMP");
+
+ if (tempDir == NULL || *tempDir == '\0')
+ {
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixDir: Trying with the TEMP environment.\n");
+#endif
+
+ tempDir = getenv("TEMP");
+ }
+
+ if (tempDir != NULL && *tempDir != '\0')
+ {
+ if (strlen(tempDir) + strlen("/.X11-unix") + 1 > 1024)
+ {
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixDir: WARNING! Maximum length of X11 Unix directory exceeded.\n");
+#endif
+ goto _NXGetUnixDirError;
+ }
+
+ strcpy(_NXUnixDir, tempDir);
+ strcat(_NXUnixDir, "/.X11-unix");
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixDir: Using X11 Unix directory [%s].\n", _NXUnixDir);
+#endif
+
+ return _NXUnixDir;
+ }
+
+_NXGetUnixDirError:
+
+ strcpy(_NXUnixDir, dir);
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixDir: Returning default X11 Unix directory [%s].\n", _NXUnixDir);
+#endif
+
+ return _NXUnixDir;
+}
+
+static char *_NXGetUnixPath(char *path)
+{
+ const char *unixDir;
+
+ prmsg (3, "_NXGetUnixPath(%s)\n", path);
+
+ if (strcmp(path, UNIX_PATH) != 0)
+ {
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixPath: Returning other X11 Unix path [%s].\n", path);
+#endif
+ return path;
+ }
+
+ /*
+ * Check the environment only once.
+ */
+
+ if (*_NXUnixPath != '\0')
+ {
+ return _NXUnixPath;
+ }
+
+ unixDir = _NXGetUnixDir(UNIX_DIR);
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixPath: Got X11 Unix directory [%s].\n", unixDir);
+#endif
+
+ if (strlen(unixDir) + strlen("/X") + 1 > 1024)
+ {
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixPath: WARNING! Maximum length of X11 Unix path exceeded.\n");
+#endif
+
+ goto _NXGetUnixPathError;
+ }
+
+ strcpy(_NXUnixPath, unixDir);
+ strcat(_NXUnixPath, "/X");
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixPath: Returning X11 Unix path [%s].\n", _NXUnixPath);
+#endif
+
+ return _NXUnixPath;
+
+_NXGetUnixPathError:
+
+ strcpy(_NXUnixPath, path);
+
+#ifdef NX_TRANS_TEST
+ fprintf(stderr, "_NXGetUnixPath: Returning default X11 Unix path [%s].\n", _NXUnixPath);
+#endif
+
+ return _NXUnixPath;
+}
+
+#endif /* NX_TRANS_SOCKET */
diff --git a/nx-X11/lib/include/xtrans/Xtransutil.c b/nx-X11/lib/include/xtrans/Xtransutil.c
new file mode 100644
index 000000000..0063e83d8
--- /dev/null
+++ b/nx-X11/lib/include/xtrans/Xtransutil.c
@@ -0,0 +1,639 @@
+/*
+
+Copyright 1993, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+ * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name NCR not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. NCR makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * NCRS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * These are some utility functions created for convenience or to provide
+ * an interface that is similar to an existing interface. These are built
+ * only using the Transport Independant API, and have no knowledge of
+ * the internal implementation.
+ */
+
+#ifdef XTHREADS
+#include <X11/Xthreads.h>
+#endif
+#ifdef WIN32
+#include <X11/Xlibint.h>
+#include <X11/Xwinsock.h>
+#endif
+
+#ifdef X11_t
+
+/*
+ * These values come from X.h and Xauth.h, and MUST match them. Some
+ * of these values are also defined by the ChangeHost protocol message.
+ */
+
+#define FamilyInternet 0 /* IPv4 */
+#define FamilyDECnet 1
+#define FamilyChaos 2
+#define FamilyInternet6 6
+#define FamilyAmoeba 33
+#define FamilyLocalHost 252
+#define FamilyKrb5Principal 253
+#define FamilyNetname 254
+#define FamilyLocal 256
+#define FamilyWild 65535
+
+/*
+ * TRANS(ConvertAddress) converts a sockaddr based address to an
+ * X authorization based address. Some of this is defined as part of
+ * the ChangeHost protocol. The rest is just done in a consistent manner.
+ */
+
+int
+TRANS(ConvertAddress)(int *familyp, int *addrlenp, Xtransaddr **addrp)
+
+{
+
+ prmsg(2,"ConvertAddress(%d,%d,%p)\n",*familyp,*addrlenp,(void *) *addrp);
+
+ switch( *familyp )
+ {
+#if defined(TCPCONN)
+ case AF_INET:
+ {
+ /*
+ * Check for the BSD hack localhost address 127.0.0.1.
+ * In this case, we are really FamilyLocal.
+ */
+
+ struct sockaddr_in saddr;
+ int len = sizeof(saddr.sin_addr.s_addr);
+ char *cp = (char *) &saddr.sin_addr.s_addr;
+
+ memcpy (&saddr, *addrp, sizeof (struct sockaddr_in));
+
+ if ((len == 4) && (cp[0] == 127) && (cp[1] == 0) &&
+ (cp[2] == 0) && (cp[3] == 1))
+ {
+ *familyp=FamilyLocal;
+ }
+ else
+ {
+ *familyp=FamilyInternet;
+ *addrlenp=len;
+ memcpy(*addrp,&saddr.sin_addr,len);
+ }
+ break;
+ }
+
+#if defined(IPv6) && defined(AF_INET6)
+ case AF_INET6:
+ {
+ struct sockaddr_in6 saddr6;
+
+ memcpy (&saddr6, *addrp, sizeof (struct sockaddr_in6));
+
+ if (IN6_IS_ADDR_LOOPBACK(&saddr6.sin6_addr))
+ {
+ *familyp=FamilyLocal;
+ }
+ else if (IN6_IS_ADDR_V4MAPPED(&(saddr6.sin6_addr))) {
+ char *cp = (char *) &saddr6.sin6_addr.s6_addr[12];
+
+ if ((cp[0] == 127) && (cp[1] == 0) &&
+ (cp[2] == 0) && (cp[3] == 1))
+ {
+ *familyp=FamilyLocal;
+ }
+ else
+ {
+ *familyp=FamilyInternet;
+ *addrlenp = sizeof (struct in_addr);
+ memcpy(*addrp,cp,*addrlenp);
+ }
+ }
+ else
+ {
+ *familyp=FamilyInternet6;
+ *addrlenp=sizeof(saddr6.sin6_addr);
+ memcpy(*addrp,&saddr6.sin6_addr,sizeof(saddr6.sin6_addr));
+ }
+ break;
+ }
+#endif /* IPv6 */
+#endif /* defined(TCPCONN) */
+
+
+#if defined(UNIXCONN) || defined(LOCALCONN)
+ case AF_UNIX:
+ {
+ *familyp=FamilyLocal;
+ break;
+ }
+#endif /* defined(UNIXCONN) || defined(LOCALCONN) */
+
+#if (defined(__SCO__) || defined(__UNIXWARE__)) && defined(LOCALCONN)
+ case 0:
+ {
+ *familyp=FamilyLocal;
+ break;
+ }
+#endif
+
+ default:
+ prmsg(1,"ConvertAddress: Unknown family type %d\n",
+ *familyp);
+ return -1;
+ }
+
+
+ if (*familyp == FamilyLocal)
+ {
+ /*
+ * In the case of a local connection, we need to get the
+ * host name for authentication.
+ */
+
+ char hostnamebuf[256];
+ int len = TRANS(GetHostname) (hostnamebuf, sizeof hostnamebuf);
+
+ if (len > 0) {
+ if (*addrp && *addrlenp < (len + 1))
+ {
+ free (*addrp);
+ *addrp = NULL;
+ }
+ if (!*addrp)
+ *addrp = malloc (len + 1);
+ if (*addrp) {
+ strcpy ((char *) *addrp, hostnamebuf);
+ *addrlenp = len;
+ } else {
+ *addrlenp = 0;
+ }
+ }
+ else
+ {
+ if (*addrp)
+ free (*addrp);
+ *addrp = NULL;
+ *addrlenp = 0;
+ }
+ }
+
+ return 0;
+}
+
+#endif /* X11_t */
+
+#ifdef ICE_t
+
+/* Needed for _XGethostbyaddr usage in TRANS(GetPeerNetworkId) */
+# if defined(TCPCONN) || defined(UNIXCONN)
+# define X_INCLUDE_NETDB_H
+# define XOS_USE_NO_LOCKING
+# include <X11/Xos_r.h>
+# endif
+
+#include <signal.h>
+
+char *
+TRANS(GetMyNetworkId) (XtransConnInfo ciptr)
+
+{
+ int family = ciptr->family;
+ char *addr = ciptr->addr;
+ char hostnamebuf[256];
+ char *networkId = NULL;
+ const char *transName = ciptr->transptr->TransName;
+
+ if (gethostname (hostnamebuf, sizeof (hostnamebuf)) < 0)
+ {
+ return (NULL);
+ }
+
+ switch (family)
+ {
+#if defined(UNIXCONN) || defined(LOCALCONN)
+ case AF_UNIX:
+ {
+ struct sockaddr_un *saddr = (struct sockaddr_un *) addr;
+ networkId = malloc (3 + strlen (transName) +
+ strlen (hostnamebuf) + strlen (saddr->sun_path));
+ sprintf (networkId, "%s/%s:%s", transName,
+ hostnamebuf, saddr->sun_path);
+ break;
+ }
+#endif /* defined(UNIXCONN) || defined(LOCALCONN) */
+
+#if defined(TCPCONN)
+ case AF_INET:
+#if defined(IPv6) && defined(AF_INET6)
+ case AF_INET6:
+#endif
+ {
+ struct sockaddr_in *saddr = (struct sockaddr_in *) addr;
+#if defined(IPv6) && defined(AF_INET6)
+ struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *) addr;
+#endif
+ int portnum;
+ char portnumbuf[10];
+
+
+#if defined(IPv6) && defined(AF_INET6)
+ if (family == AF_INET6)
+ portnum = ntohs (saddr6->sin6_port);
+ else
+#endif
+ portnum = ntohs (saddr->sin_port);
+
+ snprintf (portnumbuf, sizeof(portnumbuf), "%d", portnum);
+ networkId = malloc (3 + strlen (transName) +
+ strlen (hostnamebuf) + strlen (portnumbuf));
+ sprintf (networkId, "%s/%s:%s", transName, hostnamebuf, portnumbuf);
+ break;
+ }
+#endif /* defined(TCPCONN) */
+
+
+ default:
+ break;
+ }
+
+ return (networkId);
+}
+
+#include <setjmp.h>
+static jmp_buf env;
+
+#ifdef SIGALRM
+static volatile int nameserver_timedout = 0;
+
+static void
+nameserver_lost(int sig _X_UNUSED)
+{
+ nameserver_timedout = 1;
+ longjmp (env, -1);
+ /* NOTREACHED */
+}
+#endif /* SIGALARM */
+
+
+char *
+TRANS(GetPeerNetworkId) (XtransConnInfo ciptr)
+
+{
+ int family = ciptr->family;
+ char *peer_addr = ciptr->peeraddr;
+ char *hostname;
+ char addrbuf[256];
+ const char *addr = NULL;
+
+ switch (family)
+ {
+ case AF_UNSPEC:
+#if defined(UNIXCONN) || defined(LOCALCONN)
+ case AF_UNIX:
+ {
+ if (gethostname (addrbuf, sizeof (addrbuf)) == 0)
+ addr = addrbuf;
+ break;
+ }
+#endif /* defined(UNIXCONN) || defined(LOCALCONN) */
+
+#if defined(TCPCONN)
+ case AF_INET:
+#if defined(IPv6) && defined(AF_INET6)
+ case AF_INET6:
+#endif
+ {
+ struct sockaddr_in *saddr = (struct sockaddr_in *) peer_addr;
+#if defined(IPv6) && defined(AF_INET6)
+ struct sockaddr_in6 *saddr6 = (struct sockaddr_in6 *) peer_addr;
+#endif
+ char *address;
+ int addresslen;
+#ifdef XTHREADS_NEEDS_BYNAMEPARAMS
+ _Xgethostbynameparams hparams;
+#endif
+ struct hostent * volatile hostp = NULL;
+
+#if defined(IPv6) && defined(AF_INET6)
+ if (family == AF_INET6)
+ {
+ address = (char *) &saddr6->sin6_addr;
+ addresslen = sizeof (saddr6->sin6_addr);
+ }
+ else
+#endif
+ {
+ address = (char *) &saddr->sin_addr;
+ addresslen = sizeof (saddr->sin_addr);
+ }
+
+#ifdef SIGALRM
+ /*
+ * gethostbyaddr can take a LONG time if the host does not exist.
+ * Assume that if it does not respond in NAMESERVER_TIMEOUT seconds
+ * that something is wrong and do not make the user wait.
+ * gethostbyaddr will continue after a signal, so we have to
+ * jump out of it.
+ */
+
+ nameserver_timedout = 0;
+ signal (SIGALRM, nameserver_lost);
+ alarm (4);
+ if (setjmp(env) == 0) {
+#endif
+ hostp = _XGethostbyaddr (address, addresslen, family, hparams);
+#ifdef SIGALRM
+ }
+ alarm (0);
+#endif
+ if (hostp != NULL)
+ addr = hostp->h_name;
+ else
+#if defined(IPv6) && defined(AF_INET6)
+ addr = inet_ntop (family, address, addrbuf, sizeof (addrbuf));
+#else
+ addr = inet_ntoa (saddr->sin_addr);
+#endif
+ break;
+ }
+
+#endif /* defined(TCPCONN) */
+
+
+ default:
+ return (NULL);
+ }
+
+
+ hostname = malloc (strlen (ciptr->transptr->TransName) + strlen (addr) + 2);
+ strcpy (hostname, ciptr->transptr->TransName);
+ strcat (hostname, "/");
+ if (addr)
+ strcat (hostname, addr);
+
+ return (hostname);
+}
+
+#endif /* ICE_t */
+
+
+#if defined(WIN32) && defined(TCPCONN)
+int
+TRANS(WSAStartup) (void)
+{
+ static WSADATA wsadata;
+
+ prmsg (2,"WSAStartup()\n");
+
+ if (!wsadata.wVersion && WSAStartup(MAKEWORD(2,2), &wsadata))
+ return 1;
+ return 0;
+}
+#endif
+
+#include <ctype.h>
+
+#if defined(X11_t)
+static int
+is_numeric (const char *str)
+{
+ int i;
+
+ for (i = 0; i < (int) strlen (str); i++)
+ if (!isdigit (str[i]))
+ return (0);
+
+ return (1);
+}
+#endif
+
+#ifdef TRANS_SERVER
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+#if !defined(S_IFLNK) && !defined(S_ISLNK)
+#undef lstat
+#define lstat(a,b) stat(a,b)
+#endif
+
+#define FAIL_IF_NOMODE 1
+#define FAIL_IF_NOT_ROOT 2
+#define WARN_NO_ACCESS 4
+
+/*
+ * We make the assumption that when the 'sticky' (t) bit is requested
+ * it's not save if the directory has non-root ownership or the sticky
+ * bit cannot be set and fail.
+ */
+static int
+trans_mkdir(const char *path, int mode)
+{
+ struct stat buf;
+
+ if (lstat(path, &buf) != 0) {
+ if (errno != ENOENT) {
+ prmsg(1, "mkdir: ERROR: (l)stat failed for %s (%d)\n",
+ path, errno);
+ return -1;
+ }
+ /* Dir doesn't exist. Try to create it */
+
+#if !defined(WIN32) && !defined(__CYGWIN__)
+ /*
+ * 'sticky' bit requested: assume application makes
+ * certain security implications. If effective user ID
+ * is != 0: fail as we may not be able to meet them.
+ */
+ if (geteuid() != 0) {
+ if (mode & 01000) {
+ prmsg(1, "mkdir: ERROR: euid != 0,"
+ "directory %s will not be created.\n",
+ path);
+#ifdef FAIL_HARD
+ return -1;
+#endif
+ } else {
+ prmsg(1, "mkdir: Cannot create %s with root ownership\n",
+ path);
+ }
+ }
+#endif
+
+#ifndef WIN32
+ if (mkdir(path, mode) == 0) {
+ if (chmod(path, mode)) {
+ prmsg(1, "mkdir: ERROR: Mode of %s should be set to %04o\n",
+ path, mode);
+#ifdef FAIL_HARD
+ return -1;
+#endif
+ }
+#else
+ if (mkdir(path) == 0) {
+#endif
+ } else {
+ prmsg(1, "mkdir: ERROR: Cannot create %s\n",
+ path);
+ return -1;
+ }
+
+ return 0;
+
+ } else {
+ if (S_ISDIR(buf.st_mode)) {
+ int updateOwner = 0;
+ int updateMode = 0;
+ int updatedOwner = 0;
+ int updatedMode = 0;
+ int status = 0;
+ /* Check if the directory's ownership is OK. */
+ if (buf.st_uid != 0)
+ updateOwner = 1;
+
+ /*
+ * Check if the directory's mode is OK. An exact match isn't
+ * required, just a mode that isn't more permissive than the
+ * one requested.
+ */
+ if ((~mode) & 0077 & buf.st_mode)
+ updateMode = 1;
+
+ /*
+ * If the directory is not writeable not everybody may
+ * be able to create sockets. Therefore warn if mode
+ * cannot be fixed.
+ */
+ if ((~buf.st_mode) & 0022 & mode) {
+ updateMode = 1;
+ status |= WARN_NO_ACCESS;
+ }
+
+ /*
+ * If 'sticky' bit is requested fail if owner isn't root
+ * as we assume the caller makes certain security implications
+ */
+ if (mode & 01000) {
+ status |= FAIL_IF_NOT_ROOT;
+ if (!(buf.st_mode & 01000)) {
+ status |= FAIL_IF_NOMODE;
+ updateMode = 1;
+ }
+ }
+
+#ifdef HAS_FCHOWN
+ /*
+ * If fchown(2) and fchmod(2) are available, try to correct the
+ * directory's owner and mode. Otherwise it isn't safe to attempt
+ * to do this.
+ */
+ if (updateMode || updateOwner) {
+ int fd = -1;
+ struct stat fbuf;
+ if ((fd = open(path, O_RDONLY)) != -1) {
+ if (fstat(fd, &fbuf) == -1) {
+ prmsg(1, "mkdir: ERROR: fstat failed for %s (%d)\n",
+ path, errno);
+ close(fd);
+ return -1;
+ }
+ /*
+ * Verify that we've opened the same directory as was
+ * checked above.
+ */
+ if (!S_ISDIR(fbuf.st_mode) ||
+ buf.st_dev != fbuf.st_dev ||
+ buf.st_ino != fbuf.st_ino) {
+ prmsg(1, "mkdir: ERROR: inode for %s changed\n",
+ path);
+ close(fd);
+ return -1;
+ }
+ if (updateOwner && fchown(fd, 0, 0) == 0)
+ updatedOwner = 1;
+ if (updateMode && fchmod(fd, mode) == 0)
+ updatedMode = 1;
+ close(fd);
+ }
+ }
+#endif
+
+ if (updateOwner && !updatedOwner) {
+#ifdef FAIL_HARD
+ if (status & FAIL_IF_NOT_ROOT) {
+ prmsg(1, "mkdir: ERROR: Owner of %s must be set to root\n",
+ path);
+ return -1;
+ }
+#endif
+#if !defined(__APPLE_CC__) && !defined(__CYGWIN__)
+ prmsg(1, "mkdir: Owner of %s should be set to root\n",
+ path);
+#endif
+ }
+
+ if (updateMode && !updatedMode) {
+#ifdef FAIL_HARD
+ if (status & FAIL_IF_NOMODE) {
+ prmsg(1, "mkdir: ERROR: Mode of %s must be set to %04o\n",
+ path, mode);
+ return -1;
+ }
+#endif
+ prmsg(1, "mkdir: Mode of %s should be set to %04o\n",
+ path, mode);
+ if (status & WARN_NO_ACCESS) {
+ prmsg(1, "mkdir: this may cause subsequent errors\n");
+ }
+ }
+ return 0;
+ }
+ return -1;
+ }
+
+ /* In all other cases, fail */
+ return -1;
+}
+
+#endif /* TRANS_SERVER */
diff --git a/nx-X11/lib/include/xtrans/transport.c b/nx-X11/lib/include/xtrans/transport.c
new file mode 100644
index 000000000..b62fc7b64
--- /dev/null
+++ b/nx-X11/lib/include/xtrans/transport.c
@@ -0,0 +1,74 @@
+/*
+
+Copyright 1993, 1994, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from The Open Group.
+
+ * Copyright 1993, 1994 NCR Corporation - Dayton, Ohio, USA
+ *
+ * All Rights Reserved
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation for any purpose and without fee is hereby granted, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name NCR not be used in advertising
+ * or publicity pertaining to distribution of the software without specific,
+ * written prior permission. NCR makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * NCR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL NCR BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <stdlib.h>
+
+#define XTRANS_TRANSPORT_C /* used to flag Xtransint.h that it's being used
+ here, not just #included in another file */
+
+#include "Xtransint.h"
+
+#ifdef __clang__
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wformat-nonliteral"
+#pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
+#ifdef LOCALCONN
+#include "Xtranslcl.c"
+#endif
+#if defined(TCPCONN) || defined(UNIXCONN)
+#include "Xtranssock.c"
+#endif
+#include "Xtrans.c"
+#include "Xtransutil.c"
+
+#ifdef __clang__
+#pragma clang diagnostic pop
+#endif