Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository

1 files changed, 691 insertions, 0 deletions

diff --git a/nx-X11/lib/xtrans/Xtransutil.c b/nx-X11/lib/xtrans/Xtransutil.c
new file mode 100644
index 000000000..253e8b099
--- /dev/null
+++ b/nx-X11/lib/xtrans/Xtransutil.c
@@ -0,0 +1,691 @@
+/* $Xorg: Xtransutil.c,v 1.4 2001/02/09 02:04:07 xorgcvs Exp $ */
+/*
+
+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.
+
+*/
+/* $XFree86: xc/lib/xtrans/Xtransutil.c,v 3.26 2003/07/09 15:27:30 tsi Exp $ */
+
+/* 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 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,%x)\n",*familyp,*addrlenp,*addrp);
+
+    switch( *familyp )
+    {
+#if defined(TCPCONN) || defined(STREAMSCONN)
+    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;
+#ifdef CRAY
+#ifdef OLDTCP
+	int len = sizeof(saddr.sin_addr);
+#else
+	int len = SIZEOF_in_addr;
+#endif /* OLDTCP */
+	char *cp = (char *) &saddr.sin_addr;
+#else /* else not CRAY */
+	int len = sizeof(saddr.sin_addr.s_addr);
+	char *cp = (char *) &saddr.sin_addr.s_addr;
+#endif /* CRAY */
+
+	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) || defined(STREAMSCONN) */
+
+#if defined(DNETCONN)
+    case AF_DECnet:
+    {
+	struct sockaddr_dn saddr;
+
+	memcpy (&saddr, *addrp, sizeof (struct sockaddr_dn));
+
+	*familyp=FamilyDECnet;
+	*addrlenp=sizeof(struct dn_naddr);
+	memcpy(*addrp,&saddr.sdn_add,*addrlenp);
+
+	break;
+    }
+#endif /* defined(DNETCONN) */
+
+#if defined(UNIXCONN) || defined(LOCALCONN) || defined(OS2PIPECONN)
+    case AF_UNIX:
+    {
+	*familyp=FamilyLocal;
+	break;
+    }
+#endif /* defined(UNIXCONN) || defined(LOCALCONN) || defined(OS2PIPECONN)*/
+
+#if (defined(__SCO__) || defined(__UNIXWARE__)) && defined(LOCALCONN)
+    case 0:
+    {
+	*familyp=FamilyLocal;
+	break;
+    }
+#endif
+
+    default:
+	PRMSG(1,"ConvertAddress: Unknown family type %d\n",
+	      *familyp, 0,0 );
+	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))
+	    {
+		xfree ((char *) *addrp);
+		*addrp = NULL;
+	    }
+	    if (!*addrp)
+		*addrp = (Xtransaddr *) xalloc (len + 1);
+	    if (*addrp) {
+		strcpy ((char *) *addrp, hostnamebuf);
+		*addrlenp = len;
+	    } else {
+		*addrlenp = 0;
+	    }
+	}
+	else
+	{
+	    if (*addrp)
+		xfree ((char *) *addrp);
+	    *addrp = NULL;
+	    *addrlenp = 0;
+	}
+    }
+
+    return 0;
+}
+
+#endif /* X11_t */
+
+#ifdef ICE_t
+
+#include <signal.h>
+
+char *
+TRANS(GetMyNetworkId) (XtransConnInfo ciptr)
+
+{
+    int		family = ciptr->family;
+    char 	*addr = ciptr->addr;
+    char	hostnamebuf[256];
+    char 	*networkId = NULL;
+    char	*transName = ciptr->transptr->TransName;
+
+    if (gethostname (hostnamebuf, sizeof (hostnamebuf)) < 0)
+    {
+	return (NULL);
+    }
+
+    switch (family)
+    {
+#if defined(UNIXCONN) || defined(STREAMSCONN) || defined(LOCALCONN) || defined(OS2PIPECONN)
+    case AF_UNIX:
+    {
+	struct sockaddr_un *saddr = (struct sockaddr_un *) addr;
+	networkId = (char *) xalloc (3 + strlen (transName) +
+	    strlen (hostnamebuf) + strlen (saddr->sun_path));
+	sprintf (networkId, "%s/%s:%s", transName,
+	    hostnamebuf, saddr->sun_path);
+	break;
+    }
+#endif /* defined(UNIXCONN) || defined(STREAMSCONN) || defined(LOCALCONN) || defined(OS2PIPECONN) */
+
+#if defined(TCPCONN) || defined(STREAMSCONN)
+    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);
+
+	sprintf (portnumbuf, "%d", portnum);
+	networkId = (char *) xalloc (3 + strlen (transName) +
+	    strlen (hostnamebuf) + strlen (portnumbuf));
+	sprintf (networkId, "%s/%s:%s", transName, hostnamebuf, portnumbuf);
+	break;
+    }
+#endif /* defined(TCPCONN) || defined(STREAMSCONN) */
+
+#if defined(DNETCONN)
+    case AF_DECnet:
+    {
+	struct sockaddr_dn *saddr = (struct sockaddr_dn *) addr;
+
+	networkId = (char *) xalloc (
+	    13 + strlen (hostnamebuf) + saddr->sdn_objnamel);
+	sprintf (networkId, "dnet/%s::%s",
+	    hostnamebuf, saddr->sdn_objname);
+	break;
+    }
+#endif /* defined(DNETCONN) */
+
+    default:
+	break;
+    }
+
+    return (networkId);
+}
+
+#include <setjmp.h>
+static jmp_buf env;
+
+#ifdef SIGALRM
+static volatile int nameserver_timedout = 0;
+
+static
+#ifdef RETSIGTYPE /* set by autoconf AC_TYPE_SIGNAL */
+RETSIGTYPE
+#else /* Imake */
+#ifdef SIGNALRETURNSINT
+int
+#else
+void
+#endif
+#endif
+nameserver_lost(int sig)
+{
+  nameserver_timedout = 1;
+  longjmp (env, -1);
+  /* NOTREACHED */
+#ifdef SIGNALRETURNSINT
+  return -1;				/* for picky compilers */
+#endif
+}
+#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(STREAMSCONN) || defined(LOCALCONN) || defined(OS2PIPECONN)
+    case AF_UNIX:
+    {
+	if (gethostname (addrbuf, sizeof (addrbuf)) == 0)
+	    addr = addrbuf;
+	break;
+    }
+#endif /* defined(UNIXCONN) || defined(STREAMSCONN) || defined(LOCALCONN) || defined(OS2PIPECONN) */
+
+#if defined(TCPCONN) || defined(STREAMSCONN)
+    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) || defined(STREAMSCONN) */
+
+#if defined(DNETCONN)
+    case AF_DECnet:
+    {
+	struct sockaddr_dn *saddr = (struct sockaddr_dn *) peer_addr;
+	struct nodeent *np;
+
+	if (np = getnodebyaddr(saddr->sdn_add.a_addr,
+	    saddr->sdn_add.a_len, AF_DECnet)) {
+	    sprintf(addrbuf, "%s:", np->n_name);
+	} else {
+	    sprintf(addrbuf, "%s:", dnet_htoa(&saddr->sdn_add));
+	}
+	addr = addrbuf;
+	break;
+    }
+#endif /* defined(DNETCONN) */
+
+    default:
+	return (NULL);
+    }
+
+
+    hostname = (char *) xalloc (
+	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) || defined(DNETCONN))
+int
+TRANS(WSAStartup) (void)
+{
+    static WSADATA wsadata;
+
+    PRMSG (2,"WSAStartup()\n", 0, 0, 0);
+
+    if (!wsadata.wVersion && WSAStartup(0x0101, &wsadata))
+        return 1;
+    return 0;
+}
+#endif
+
+
+static int
+is_numeric (char *str)
+
+{
+    int i;
+
+    for (i = 0; i < (int) strlen (str); i++)
+	if (!isdigit (str[i]))
+	    return (0);
+
+    return (1);
+}
+
+#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(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, 0);
+	    return -1;
+	}
+	/* Dir doesn't exist. Try to create it */
+
+#ifndef WIN32
+	/*
+	 * '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, 0, 0);	    
+#ifdef FAIL_HARD
+		return -1;
+#endif
+	    } else {
+		PRMSG(1, "mkdir: Cannot create %s with root ownership\n",
+		      path, 0, 0);
+	    }
+	}
+#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, 0);
+#ifdef FAIL_HARD
+		return -1;
+#endif
+	    }
+#else
+	if (mkdir(path) == 0) {
+#endif
+	} else {
+	    PRMSG(1, "mkdir: ERROR: Cannot create %s\n",
+		  path, 0, 0);
+	    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, 0);
+			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, 0, 0);
+			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, 0, 0);
+		    return -1;
+		}
+#endif
+	  	PRMSG(1, "mkdir: Owner of %s should be set to root\n",
+		      path, 0, 0);
+	    }
+	    
+	    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, 0);
+		    return -1;
+		}
+#endif
+	  	PRMSG(1, "mkdir: Mode of %s should be set to %04o\n",
+		      path, mode, 0);
+		if (status & WARN_NO_ACCESS) {
+		    PRMSG(1, "mkdir: this may cause subsequent errors\n",
+			  0, 0, 0);
+		}
+	    }
+	    return 0;
+	}
+	return -1;
+    }
+
+    /* In all other cases, fail */
+    return -1;
+}
+
+#endif /* TRANS_SERVER */