This repository has been archived on 2024-01-04. You can view files and clone it, but cannot push or open issues or pull requests.
ncsa-mosaic/src/main.c

253 lines
8.3 KiB
C

/****************************************************************************
* NCSA Mosaic for the X Window System *
* Software Development Group *
* National Center for Supercomputing Applications *
* University of Illinois at Urbana-Champaign *
* 605 E. Springfield, Champaign IL 61820 *
* mosaic@ncsa.uiuc.edu *
* *
* Copyright (C) 1993, Board of Trustees of the University of Illinois *
* *
* NCSA Mosaic software, both binary and source (hereafter, Software) is *
* copyrighted by The Board of Trustees of the University of Illinois *
* (UI), and ownership remains with the UI. *
* *
* The UI grants you (hereafter, Licensee) a license to use the Software *
* for academic, research and internal business purposes only, without a *
* fee. Licensee may distribute the binary and source code (if released) *
* to third parties provided that the copyright notice and this statement *
* appears on all copies and that no charge is associated with such *
* copies. *
* *
* Licensee may make derivative works. However, if Licensee distributes *
* any derivative work based on or derived from the Software, then *
* Licensee will (1) notify NCSA regarding its distribution of the *
* derivative work, and (2) clearly notify users that such derivative *
* work is a modified version and not the original NCSA Mosaic *
* distributed by the UI. *
* *
* Any Licensee wishing to make commercial use of the Software should *
* contact the UI, c/o NCSA, to negotiate an appropriate license for such *
* commercial use. Commercial use includes (1) integration of all or *
* part of the source code into a product for sale or license by or on *
* behalf of Licensee to third parties, or (2) distribution of the binary *
* code or source code to third parties that need it to utilize a *
* commercial product sold or licensed by or on behalf of Licensee. *
* *
* UI MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THIS SOFTWARE FOR *
* ANY PURPOSE. IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED *
* WARRANTY. THE UI SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY THE *
* USERS OF THIS SOFTWARE. *
* *
* By using or copying this Software, Licensee agrees to abide by the *
* copyright law and all other applicable laws of the U.S. including, but *
* not limited to, export control laws, and the terms of this license. *
* UI shall have the right to terminate this license immediately by *
* written notice upon Licensee's breach of, or non-compliance with, any *
* of its terms. Licensee may be held legally responsible for any *
* copyright infringement that is caused or encouraged by Licensee's *
* failure to abide by the terms of this license. *
* *
* Comments and questions are welcome and can be sent to *
* mosaic-x@ncsa.uiuc.edu. *
****************************************************************************/
/* SOCKS mods by:
* Ying-Da Lee, <ylee@syl.dl.nec.com>
* NEC Systems Laboratory
* C&C Software Technology Center
*/
#include "../config.h"
#include "mosaic.h"
#include "main.h"
#include "gui.h"
#include "pan.h"
#include "child.h"
#include "newsrc.h"
#include "hotlist.h"
#include "globalhist.h"
#include "cciBindings2.h"
#include <signal.h>
#include <sys/utsname.h>
#include <string.h>
/* swp */
#define _KCMS_H_
#include "kcms.h"
char *userPath=NULL;
void mo_exit (void)
{
mo_write_default_hotlist ();
newsrc_kill ();
if (get_pref_boolean(eUSE_GLOBAL_HISTORY))
mo_write_global_history ();
mo_write_pan_list ();
preferences_armegeddon();
#ifdef HAVE_DTM
mo_dtm_disconnect ();
#endif
exit (0);
}
#ifndef VMS
MO_SIGHANDLER_RETURNTYPE ProcessExternalDirective (MO_SIGHANDLER_ARGS)
{
char filename[64];
char line[MO_LINE_LENGTH], *status, *directive, *url;
FILE *fp;
signal (SIGUSR1, SIG_IGN);
/* Construct filename from our pid. */
sprintf (filename, "/tmp/Mosaic.%d", getpid ());
fp = fopen (filename, "r");
if (!fp)
goto done;
status = fgets (line, MO_LINE_LENGTH, fp);
if (!status || !(*line)) {
fclose(fp);
goto done;
}
directive = strdup (line);
/* We now allow URL to not exist, since some directives
don't need it. */
status = fgets (line, MO_LINE_LENGTH, fp);
if (!status || !(*line))
url = strdup ("dummy");
else
url = strdup (line);
mo_process_external_directive (directive, url);
free (directive);
free (url);
fclose(fp);
done:
signal (SIGUSR1, (void *)ProcessExternalDirective);
return;
}
#endif
static void RealFatal (void)
{
signal (SIGBUS, 0);
signal (SIGSEGV, 0);
signal (SIGILL, 0);
abort ();
}
#ifdef __STDC__
static void FatalProblem (int sig)
#else /* not __STDC__ */
#ifdef _HPUX_SOURCE
static MO_SIGHANDLER_RETURNTYPE FatalProblem
(int sig, int code, struct sigcontext *scp,
char *addr)
#else
static MO_SIGHANDLER_RETURNTYPE FatalProblem
(int sig, int code, struct sigcontext *scp, char *addr)
#endif
#endif /* not __STDC__ */
{
fprintf (stderr, "\nCongratulations, you have found a bug in\n");
fprintf (stderr, "NCSA Mosaic %s on %s.\n\n", MO_VERSION_STRING,
MO_MACHINE_TYPE);
fprintf (stderr, "If a core file was generated in your directory,\n");
fprintf (stderr, "please do one of the following:\n\n");
fprintf (stderr, " %% dbx /path/to/Mosaic /path/to/core\n");
fprintf (stderr, " dbx> where\n\n");
fprintf (stderr, "OR\n\n");
fprintf (stderr, " %% gdb /path/to/Mosaic /path/to/core\n");
fprintf (stderr, " gdb> where\n\n");
fprintf (stderr, "Mail the results, and a description of what you were doing at the time,\n");
fprintf (stderr, "(include any URLs involved!) to %s.\n\nWe thank you for your support.\n\n",
MO_DEVELOPER_ADDRESS);
fprintf (stderr, "...exiting NCSA Mosaic now.\n\n");
RealFatal ();
}
main (int argc, char **argv, char **envp)
{
struct utsname u;
FILE *fp;
int i;
userPath=getenv("PATH");
/*
if (getenv("XKEYSYMDB")==NULL) {
fprintf(stderr,"If you have key binding problems, set the environment variable XKEYSYMDB\nto the location of the correct XKeysymDB file on your system.\n");
}
*/
/*
if (uname(&u)<0) {
perror("uname");
}
else {
if (!strcmp(u.sysname,"SunOS") &&
(!strcmp(u.release,"5.0")
|| !strcmp(u.release,"5.1")
|| !strcmp(u.release,"5.2")
|| !strcmp(u.release,"5.3")
|| !strcmp(u.release,"5.4")
|| !strcmp(u.release,"5.5"))) {
if (getenv("XKEYSYMDB")==NULL) {
if (!(fp=fopen("/usr/openwin/lib/X11/XKeysymDB","r"))) {
if (!(fp=fopen("/usr/openwin/lib/XKeysymDB","r"))) {
}
else {
fclose(fp);
putenv("XKEYSYMDB=/usr/openwin/lib/XKeysymDB");
}
}
else {
fclose(fp);
putenv("XKEYSYMDB=/usr/openwin/lib/X11/XKeysymDB");
}
}
}
}
*/
signal (SIGBUS, FatalProblem);
signal (SIGSEGV, FatalProblem);
signal (SIGILL, FatalProblem);
/* Since we're doing lots of TCP, just ignore SIGPIPE altogether. */
signal (SIGPIPE, SIG_IGN);
InitChildProcessor();
MoCCIPreInitialize();
#ifdef SVR4
signal(SIGCLD, (void (*)())ChildTerminated);
#else
signal(SIGCHLD, (void (*)())ChildTerminated);
#endif
#ifdef SOCKS
SOCKSinit(argv[0]);
#endif
CheckKCMS();
mo_do_gui (argc, argv);
}