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author | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
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committer | Reinhard Tartler <siretart@tauware.de> | 2011-10-10 17:43:39 +0200 |
commit | f4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch) | |
tree | 2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/lib/FS/FSOpenServ.c | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2 nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip |
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
Diffstat (limited to 'nx-X11/lib/FS/FSOpenServ.c')
-rw-r--r-- | nx-X11/lib/FS/FSOpenServ.c | 291 |
1 files changed, 291 insertions, 0 deletions
diff --git a/nx-X11/lib/FS/FSOpenServ.c b/nx-X11/lib/FS/FSOpenServ.c new file mode 100644 index 000000000..662577945 --- /dev/null +++ b/nx-X11/lib/FS/FSOpenServ.c @@ -0,0 +1,291 @@ +/* $Xorg: FSOpenServ.c,v 1.4 2001/02/09 02:03:25 xorgcvs Exp $ */ + +/* @(#)FSOpenServ.c 4.1 91/05/02 + * Copyright 1990 Network Computing Devices; + * Portions Copyright 1987 by Digital Equipment Corporation + * + * 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, and that the names of Network Computing + * Devices or Digital not be used in advertising or publicity pertaining + * to distribution of the software without specific, written prior + * permission. Network Computing Devices or Digital make no representations + * about the suitability of this software for any purpose. It is provided + * "as is" without express or implied warranty. + * + * NETWORK COMPUTING DEVICES AND DIGITAL DISCLAIM ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES + * OR DIGITAL 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. + */ +/* $XFree86: xc/lib/FS/FSOpenServ.c,v 1.8tsi Exp $ */ + +/* + +Copyright 1987, 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. + +*/ + +/* + * does initial handshake w/ font server + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include "FSlibint.h" +#include <X11/Xtrans/Xtrans.h> + +int _FSdebug = 0; + +static fsReq _dummy_request = { + 0, 0, 0 +}; + +static void OutOfMemory ( FSServer *svr, char *setup ); + +FSServer *_FSHeadOfServerList = NULL; + +void _FSFreeServerStructure(svr) + FSServer *svr; +{ + if (svr->server_name) + FSfree(svr->server_name); + if (svr->vendor) + FSfree(svr->vendor); + + if (svr->buffer) + FSfree(svr->buffer); + + FSfree((char *) svr); +} + +static +void OutOfMemory(svr, setup) + FSServer *svr; + char *setup; +{ + + _FSDisconnectServer(svr->trans_conn); + _FSFreeServerStructure(svr); + FSfree(setup); + errno = ENOMEM; +} + +/* + * connects to a server, makes a FSServer object and returns a pointer + * to it + */ + +FSServer * +FSOpenServer(server) + char *server; +{ + FSServer *svr; + int i; + int endian; + fsConnClientPrefix client; + fsConnSetup prefix; + char *setup; + fsConnSetupAccept conn; + char *auth_data; + char *alt_data, + *ad; + AlternateServer *alts; + int altlen; + char *vendor_string; + unsigned long setuplength; + + if (server == NULL || *server == '\0') { + if ((server = getenv("FONTSERVER")) == NULL) { + return (FSServer *) NULL; + } + } + + if ((svr = (FSServer *) FScalloc(1, sizeof(FSServer))) == NULL) { + errno = ENOMEM; + return (FSServer *) NULL; + } + if ((svr->trans_conn = _FSConnectServer(server)) == NULL) { + FSfree((char *) svr); + return (FSServer *) NULL; + } + + svr->fd = _FSTransGetConnectionNumber (svr->trans_conn); + + endian = 1; + if (*(char *) &endian) + client.byteOrder = 'l'; + else + client.byteOrder = 'B'; + client.major_version = FS_PROTOCOL; + client.minor_version = FS_PROTOCOL_MINOR; +/* XXX -- fix this when we have some auths */ + client.num_auths = 0; + client.auth_len = 0; + _FSSendClientPrefix(svr, &client); + +/* see if connection was accepted */ + _FSRead(svr, (char *) &prefix, (long) SIZEOF(fsConnSetup)); + + setuplength = prefix.alternate_len << 2; + if (setuplength > (SIZE_MAX>>2) + || (alt_data = (char *) + (setup = FSmalloc((unsigned) setuplength))) == NULL) { + errno = ENOMEM; + FSfree((char *) svr); + return (FSServer *) NULL; + } + _FSRead(svr, (char *) alt_data, setuplength); + ad = alt_data; + +#if SIZE_MAX <= UINT_MAX + if (prefix.num_alternates > SIZE_MAX / sizeof(AlternateServer)) { + errno = ENOMEM; + FSfree((char *) alt_data); + FSfree((char *) svr); + return (FSServer *) 0; + } +#endif + + alts = (AlternateServer *) + FSmalloc(sizeof(AlternateServer) * prefix.num_alternates); + if (!alts) { + errno = ENOMEM; + FSfree((char *) alt_data); + FSfree((char *) svr); + return (FSServer *) 0; + } + for (i = 0; i < prefix.num_alternates; i++) { + alts[i].subset = (Bool) *ad++; + altlen = (int) *ad++; + alts[i].name = (char *) FSmalloc(altlen + 1); + if (!alts[i].name) { + while (--i) { + FSfree((char *) alts[i].name); + } + FSfree((char *) alts); + FSfree((char *) alt_data); + FSfree((char *) svr); + errno = ENOMEM; + return (FSServer *) 0; + } + bcopy(ad, alts[i].name, altlen); + alts[i].name[altlen] = '\0'; + ad += altlen + ((4 - (altlen + 2)) & 3); + } + FSfree((char *) alt_data); + + svr->alternate_servers = alts; + svr->num_alternates = prefix.num_alternates; + + setuplength = prefix.auth_len << 2; + if (setuplength > (SIZE_MAX>>2) + || (auth_data = (char *) + (setup = FSmalloc((unsigned) setuplength))) == NULL) { + errno = ENOMEM; + FSfree((char *) alts); + FSfree((char *) svr); + return (FSServer *) NULL; + } + _FSRead(svr, (char *) auth_data, setuplength); + + if (prefix.status != AuthSuccess) { + fprintf(stderr, "%s: connection to \"%s\" refused by server\r\n%s: ", + "FSlib", server, "FSlib"); + FSfree((char *) alts); + FSfree((char *) svr); + FSfree(setup); + return (FSServer *) NULL; + } + /* get rest */ + _FSRead(svr, (char *) &conn, (long) SIZEOF(fsConnSetupAccept)); + + if ((vendor_string = (char *) + FSmalloc((unsigned) conn.vendor_len + 1)) == NULL) { + errno = ENOMEM; + FSfree((char *) auth_data); + FSfree((char *) alts); + FSfree((char *) svr); + return (FSServer *) NULL; + } + _FSReadPad(svr, (char *) vendor_string, conn.vendor_len); + + /* move the data into the FSServer struct */ + svr->next = (FSServer *) NULL; + svr->proto_version = prefix.major_version; + svr->release = conn.release_number; + svr->max_request_size = conn.max_request_len; + + svr->event_vec[FS_Error] = _FSUnknownWireEvent; + svr->event_vec[FS_Reply] = _FSUnknownWireEvent; + svr->wire_vec[FS_Error] = _FSUnknownNativeEvent; + svr->wire_vec[FS_Reply] = _FSUnknownNativeEvent; + for (i = FSLASTEvent; i < 128; i++) { + svr->event_vec[i] = _FSUnknownWireEvent; + svr->wire_vec[i] = _FSUnknownNativeEvent; + } + svr->resource_id = 1; + + svr->vendor = vendor_string; + svr->vendor[conn.vendor_len] = '\0'; + + svr->vnumber = FS_PROTOCOL; + svr->request = 0; + svr->last_request_read = 0; + svr->last_req = (char *) &_dummy_request; + + if ((svr->server_name = FSmalloc((unsigned) (strlen(server) + 1))) + == NULL) { + OutOfMemory(svr, setup); + return (FSServer *) NULL; + } + (void) strcpy(svr->server_name, server); + + /* setup the output buffers */ + if ((svr->bufptr = svr->buffer = FSmalloc(BUFSIZE)) == NULL) { + OutOfMemory(svr, setup); + return (FSServer *) NULL; + } + svr->bufmax = svr->buffer + BUFSIZE; + + /* set up input event queue */ + svr->head = svr->tail = NULL; + svr->qlen = 0; + + FSfree(setup); + + (void) FSSynchronize(svr, _FSdebug); + + svr->next = _FSHeadOfServerList; + _FSHeadOfServerList = svr; + + return (svr); +} |