1767 lines
42 KiB
C
1767 lines
42 KiB
C
/* uuxqt.c
|
||
Run uux commands.
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Copyright (C) 1991, 1992, 1993, 1994, 1995 Ian Lance Taylor
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This file is part of the Taylor UUCP package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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The author of the program may be contacted at ian@airs.com or
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c/o Cygnus Support, 48 Grove Street, Somerville, MA 02144.
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*/
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#include "uucp.h"
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#if USE_RCS_ID
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const char uuxqt_rcsid[] = "$Id: uuxqt.c,v 1.82 1995/07/19 04:22:26 ian Rel $";
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#endif
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#include <errno.h>
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#include <ctype.h>
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#include "getopt.h"
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#include "uudefs.h"
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#include "uuconf.h"
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#include "system.h"
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/* Static variables used to unlock things if we get a fatal error. */
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static int iQlock_seq = -1;
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static const char *zQunlock_cmd;
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static const char *zQunlock_file;
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static boolean fQunlock_directory;
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int cQmaxuuxqts;
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/* Static variables to free in uqcleanup. */
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static char *zQoutput;
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static char *zQmail;
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/* Local functions. */
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static void uqusage P((void));
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static void uqhelp P((void));
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static void uqabort P((void));
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static void uqdo_xqt_file P((pointer puuconf, const char *zfile,
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const char *zbase,
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const struct uuconf_system *qsys,
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const char *zlocalname,
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const char *zcmd, boolean *pfprocessed));
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static void uqcleanup P((const char *zfile, int iflags));
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static int isave_files P((const struct uuconf_system *, const char *zmail,
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const char *zfile, int iclean));
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static boolean fqforward P((const char *zfile, char **pzallowed,
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const char *zlog, const char *zmail));
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/* Long getopt options. */
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static const struct option asQlongopts[] =
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{
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{ "command", required_argument, 0, 'c' },
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{ "system", required_argument, 0, 's' },
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{ "config", required_argument, NULL, 'I' },
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{ "debug", required_argument, NULL, 'x' },
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{ "version", no_argument, NULL, 'v' },
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{ "help", no_argument, NULL, 1 },
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{ NULL, 0, NULL, 0 }
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};
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int
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main (argc, argv)
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int argc;
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char **argv;
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{
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/* The type of command to execute (NULL for any type). */
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const char *zcmd = NULL;
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/* The configuration file name. */
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const char *zconfig = NULL;
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/* The system to execute commands for. */
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const char *zdosys = NULL;
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int iopt;
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pointer puuconf;
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int iuuconf;
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const char *zlocalname;
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boolean fany;
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char *z, *zgetsys;
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boolean ferr;
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boolean fsys;
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struct uuconf_system ssys;
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zProgram = argv[0];
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while ((iopt = getopt_long (argc, argv, "c:I:s:vx:", asQlongopts,
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(int *) NULL)) != EOF)
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{
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switch (iopt)
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{
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case 'c':
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/* Set the type of command to execute. */
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zcmd = optarg;
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break;
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case 'I':
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/* Set the configuration file name. */
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if (fsysdep_other_config (optarg))
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zconfig = optarg;
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break;
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case 's':
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zdosys = optarg;
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break;
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case 'x':
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#if DEBUG > 1
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/* Set the debugging level. */
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iDebug |= idebug_parse (optarg);
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#endif
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break;
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case 'v':
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/* Print version and exit. */
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printf ("%s: Taylor UUCP %s, copyright (C) 1991, 92, 93, 94, 1995 Ian Lance Taylor\n",
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zProgram, VERSION);
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exit (EXIT_SUCCESS);
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/*NOTREACHED*/
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case 1:
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/* --help. */
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uqhelp ();
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exit (EXIT_SUCCESS);
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/*NOTREACHED*/
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case 0:
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/* Long option found and flag set. */
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break;
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default:
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uqusage ();
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break;
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}
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}
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if (optind != argc)
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uqusage ();
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iuuconf = uuconf_init (&puuconf, (const char *) NULL, zconfig);
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if (iuuconf != UUCONF_SUCCESS)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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#if DEBUG > 1
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{
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const char *zdebug;
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iuuconf = uuconf_debuglevel (puuconf, &zdebug);
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if (iuuconf != UUCONF_SUCCESS)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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if (zdebug != NULL)
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iDebug |= idebug_parse (zdebug);
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}
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#endif
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iuuconf = uuconf_maxuuxqts (puuconf, &cQmaxuuxqts);
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if (iuuconf != UUCONF_SUCCESS)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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#ifdef SIGINT
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usysdep_signal (SIGINT);
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#endif
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#ifdef SIGHUP
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usysdep_signal (SIGHUP);
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#endif
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#ifdef SIGQUIT
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usysdep_signal (SIGQUIT);
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#endif
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#ifdef SIGTERM
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usysdep_signal (SIGTERM);
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#endif
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#ifdef SIGPIPE
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usysdep_signal (SIGPIPE);
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#endif
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usysdep_initialize (puuconf, INIT_SUID);
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ulog_to_file (puuconf, TRUE);
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ulog_fatal_fn (uqabort);
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iuuconf = uuconf_localname (puuconf, &zlocalname);
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if (iuuconf == UUCONF_NOT_FOUND)
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{
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zlocalname = zsysdep_localname ();
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if (zlocalname == NULL)
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exit (EXIT_FAILURE);
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}
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else if (iuuconf != UUCONF_SUCCESS)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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fsys = FALSE;
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/* If we were given a system name, canonicalize it. */
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if (zdosys != NULL)
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{
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iuuconf = uuconf_system_info (puuconf, zdosys, &ssys);
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if (iuuconf != UUCONF_SUCCESS)
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{
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if (iuuconf != UUCONF_NOT_FOUND)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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if (strcmp (zdosys, zlocalname) == 0)
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{
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iuuconf = uuconf_system_local (puuconf, &ssys);
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if (iuuconf != UUCONF_SUCCESS)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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ssys.uuconf_zname = (char *) zlocalname;
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}
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else
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{
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if (! funknown_system (puuconf, zdosys, &ssys))
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ulog (LOG_FATAL, "%s: system not found", zdosys);
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}
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}
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zdosys = zbufcpy (ssys.uuconf_zname);
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fsys = TRUE;
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}
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/* Limit the number of uuxqt processes, and make sure we're the only
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uuxqt daemon running for this command. */
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iQlock_seq = ixsysdep_lock_uuxqt (zcmd, cQmaxuuxqts);
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if (iQlock_seq < 0)
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{
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ulog_close ();
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usysdep_exit (TRUE);
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}
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zQunlock_cmd = zcmd;
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/* Keep scanning the execute files until we don't process any of
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them. */
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do
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{
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fany = FALSE;
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/* Look for each execute file, and run it. */
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if (! fsysdep_get_xqt_init (zdosys))
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{
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ulog_close ();
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usysdep_exit (FALSE);
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}
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while ((z = zsysdep_get_xqt (zdosys, &zgetsys, &ferr)) != NULL)
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{
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const char *zloc;
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boolean fprocessed;
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char *zbase;
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/* Get the system information for the system returned by
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zsysdep_get_xqt. */
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if (! fsys || strcmp (ssys.uuconf_zname, zgetsys) != 0)
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{
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if (fsys)
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(void) uuconf_system_free (puuconf, &ssys);
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iuuconf = uuconf_system_info (puuconf, zgetsys,
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&ssys);
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if (iuuconf != UUCONF_SUCCESS)
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{
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if (iuuconf != UUCONF_NOT_FOUND)
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{
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ulog_uuconf (LOG_ERROR, puuconf, iuuconf);
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ubuffree (z);
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ubuffree (zgetsys);
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continue;
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}
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else if (strcmp (zgetsys, zlocalname) == 0)
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{
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iuuconf = uuconf_system_local (puuconf, &ssys);
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if (iuuconf != UUCONF_SUCCESS)
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{
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ulog_uuconf (LOG_ERROR, puuconf, iuuconf);
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ubuffree (z);
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ubuffree (zgetsys);
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continue;
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}
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ssys.uuconf_zname = (char *) zlocalname;
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}
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else
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{
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if (! funknown_system (puuconf, zgetsys, &ssys))
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{
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ulog (LOG_ERROR,
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"%s: Execute file for unknown system %s",
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z, zgetsys);
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(void) remove (z);
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ubuffree (z);
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ubuffree (zgetsys);
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continue;
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}
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}
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}
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fsys = TRUE;
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}
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/* If we've received a signal, get out of the loop. */
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if (FGOT_SIGNAL ())
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{
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ubuffree (z);
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ubuffree (zgetsys);
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break;
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}
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/* Make sure we are supposed to be executing jobs for this
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system. */
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if (zdosys != NULL && strcmp (zdosys, ssys.uuconf_zname) != 0)
|
||
{
|
||
ubuffree (z);
|
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ubuffree (zgetsys);
|
||
continue;
|
||
}
|
||
|
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zloc = ssys.uuconf_zlocalname;
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if (zloc == NULL)
|
||
zloc = zlocalname;
|
||
|
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ulog_system (ssys.uuconf_zname);
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||
zbase = zsysdep_base_name (z);
|
||
uqdo_xqt_file (puuconf, z, zbase, &ssys, zloc, zcmd, &fprocessed);
|
||
ubuffree (zbase);
|
||
ulog_system ((const char *) NULL);
|
||
ulog_user ((const char *) NULL);
|
||
|
||
if (fprocessed)
|
||
fany = TRUE;
|
||
ubuffree (z);
|
||
ubuffree (zgetsys);
|
||
}
|
||
|
||
usysdep_get_xqt_free (zdosys);
|
||
}
|
||
while (fany && ! FGOT_SIGNAL ());
|
||
|
||
(void) fsysdep_unlock_uuxqt (iQlock_seq, zcmd, cQmaxuuxqts);
|
||
iQlock_seq = -1;
|
||
|
||
ulog_close ();
|
||
|
||
if (FGOT_SIGNAL ())
|
||
ferr = TRUE;
|
||
|
||
usysdep_exit (! ferr);
|
||
|
||
/* Avoid errors about not returning a value. */
|
||
return 0;
|
||
}
|
||
|
||
static void
|
||
uqhelp ()
|
||
{
|
||
printf ("Taylor UUCP %s, copyright (C) 1991, 92, 93, 94, 1995 Ian Lance Taylor\n",
|
||
VERSION);
|
||
printf ("Usage: %s [-c,--command cmd] [-s,--system system]\n", zProgram);
|
||
printf (" -c,--command cmd: Set type of command to execute\n");
|
||
printf (" -s,--system system: Execute commands only for named system\n");
|
||
printf (" -x,--debug debug: Set debugging level\n");
|
||
#if HAVE_TAYLOR_CONFIG
|
||
printf (" -I,--config file: Set configuration file to use\n");
|
||
#endif /* HAVE_TAYLOR_CONFIG */
|
||
printf (" -v,--version: Print version and exit\n");
|
||
printf (" --help: Print help and exit\n");
|
||
}
|
||
|
||
static void
|
||
uqusage ()
|
||
{
|
||
fprintf (stderr,
|
||
"Usage: %s [-c,--command cmd] [-s,--system system]\n", zProgram);
|
||
fprintf (stderr, "Use %s --help for help\n", zProgram);
|
||
exit (EXIT_FAILURE);
|
||
}
|
||
|
||
/* This is the abort function called when we get a fatal error. */
|
||
|
||
static void
|
||
uqabort ()
|
||
{
|
||
#if ! HAVE_HDB_LOGGING
|
||
/* When using HDB logging, it's a pain to have no system name. */
|
||
ulog_system ((const char *) NULL);
|
||
#endif
|
||
|
||
ulog_user ((const char *) NULL);
|
||
|
||
if (fQunlock_directory)
|
||
(void) fsysdep_unlock_uuxqt_dir (iQlock_seq);
|
||
|
||
if (zQunlock_file != NULL)
|
||
(void) fsysdep_unlock_uuxqt_file (zQunlock_file);
|
||
|
||
if (iQlock_seq >= 0)
|
||
(void) fsysdep_unlock_uuxqt (iQlock_seq, zQunlock_cmd, cQmaxuuxqts);
|
||
|
||
ulog_close ();
|
||
|
||
usysdep_exit (FALSE);
|
||
}
|
||
|
||
/* An execute file is a series of lines. The first character of each
|
||
line is a command. The following commands are defined:
|
||
|
||
C command-line
|
||
I standard-input
|
||
O standard-output [ system ]
|
||
F required-file filename-to-use
|
||
R requestor-address
|
||
U user system
|
||
Z (acknowledge if command failed; default)
|
||
N (no acknowledgement on failure)
|
||
n (acknowledge if command succeeded)
|
||
B (return command input on error)
|
||
e (process with sh)
|
||
E (process with exec)
|
||
M status-file
|
||
# comment
|
||
|
||
Unrecognized commands are ignored. We actually do not recognize
|
||
the Z command, since it requests default behaviour. We always send
|
||
mail on failure, unless the N command appears. We never send mail
|
||
on success, unless the n command appears.
|
||
|
||
This code does not currently support the B or M commands. */
|
||
|
||
/* Command arguments. */
|
||
static char **azQargs;
|
||
/* Command as a complete string. */
|
||
static char *zQcmd;
|
||
/* Standard input file name. */
|
||
static char *zQinput;
|
||
/* Standard output file name. */
|
||
static char *zQoutfile;
|
||
/* Standard output system. */
|
||
static char *zQoutsys;
|
||
/* Number of required files. */
|
||
static int cQfiles;
|
||
/* Names of required files. */
|
||
static char **azQfiles;
|
||
/* Names required files should be renamed to (NULL if original is OK). */
|
||
static char **azQfiles_to;
|
||
/* Requestor address (this is where mail should be sent). */
|
||
static char *zQrequestor;
|
||
/* User name. */
|
||
static const char *zQuser;
|
||
/* System name. */
|
||
static const char *zQsystem;
|
||
/* This is set by the N flag, meaning that no acknowledgement should
|
||
be mailed on failure. */
|
||
static boolean fQno_ack;
|
||
/* This is set by the n flag, meaning that acknowledgement should be
|
||
mailed if the command succeeded. */
|
||
static boolean fQsuccess_ack;
|
||
/* This is set by the B flag, meaning that command input should be
|
||
mailed to the requestor if an error occurred. */
|
||
static boolean fQsend_input;
|
||
/* This is set by the E flag, meaning that exec should be used to
|
||
execute the command. */
|
||
static boolean fQuse_exec;
|
||
/* The status should be copied to this file on the requesting host. */
|
||
static const char *zQstatus_file;
|
||
#if ALLOW_SH_EXECUTION
|
||
/* This is set by the e flag, meaning that sh should be used to
|
||
execute the command. */
|
||
static boolean fQuse_sh;
|
||
#endif /* ALLOW_SH_EXECUTION */
|
||
|
||
static int iqcmd P((pointer puuconf, int argc, char **argv, pointer pvar,
|
||
pointer pinfo));
|
||
static int iqout P((pointer puuconf, int argc, char **argv, pointer pvar,
|
||
pointer pinfo));
|
||
static int iqfile P((pointer puuconf, int argc, char **argv, pointer pvar,
|
||
pointer pinfo));
|
||
static int iqrequestor P((pointer puuconf, int argc, char **argv,
|
||
pointer pvar, pointer pinfo));
|
||
static int iquser P((pointer puuconf, int argc, char **argv, pointer pvar,
|
||
pointer pinfo));
|
||
static int iqset P((pointer puuconf, int argc, char **argv, pointer pvar,
|
||
pointer pinfo));
|
||
|
||
/* We are lax about the number of arguments the functions accept,
|
||
because there is a lot of variation in what other (buggy) UUCP
|
||
packages generate. Unused arguments are ignored. */
|
||
|
||
static const struct uuconf_cmdtab asQcmds[] =
|
||
{
|
||
{ "C", UUCONF_CMDTABTYPE_FN | 0, NULL, iqcmd },
|
||
{ "I", UUCONF_CMDTABTYPE_STRING, (pointer) &zQinput, NULL },
|
||
{ "O", UUCONF_CMDTABTYPE_FN | 0, NULL, iqout },
|
||
{ "F", UUCONF_CMDTABTYPE_FN | 0, NULL, iqfile },
|
||
{ "R", UUCONF_CMDTABTYPE_FN | 0, NULL, iqrequestor },
|
||
{ "U", UUCONF_CMDTABTYPE_FN | 0, NULL, iquser },
|
||
{ "N", UUCONF_CMDTABTYPE_FN | 0, (pointer) &fQno_ack, iqset },
|
||
{ "n", UUCONF_CMDTABTYPE_FN | 0, (pointer) &fQsuccess_ack, iqset },
|
||
{ "B", UUCONF_CMDTABTYPE_FN | 0, (pointer) &fQsend_input, iqset },
|
||
#if ALLOW_SH_EXECUTION
|
||
{ "e", UUCONF_CMDTABTYPE_FN | 0, (pointer) &fQuse_sh, iqset },
|
||
#endif
|
||
{ "E", UUCONF_CMDTABTYPE_FN | 0, (pointer) &fQuse_exec, iqset },
|
||
{ "M", UUCONF_CMDTABTYPE_STRING, (pointer) &zQstatus_file, NULL },
|
||
{ NULL, 0, NULL, NULL }
|
||
};
|
||
|
||
/* Handle the C command: store off the arguments. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
iqcmd (puuconf, argc, argv, pvar, pinfo)
|
||
pointer puuconf;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
int i;
|
||
size_t clen;
|
||
|
||
if (argc <= 1)
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
|
||
azQargs = (char **) xmalloc (argc * sizeof (char *));
|
||
clen = 0;
|
||
for (i = 1; i < argc; i++)
|
||
{
|
||
azQargs[i - 1] = zbufcpy (argv[i]);
|
||
clen += strlen (argv[i]) + 1;
|
||
}
|
||
azQargs[i - 1] = NULL;
|
||
|
||
zQcmd = (char *) xmalloc (clen);
|
||
zQcmd[0] = '\0';
|
||
for (i = 1; i < argc - 1; i++)
|
||
{
|
||
strcat (zQcmd, argv[i]);
|
||
strcat (zQcmd, " ");
|
||
}
|
||
strcat (zQcmd, argv[i]);
|
||
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
}
|
||
|
||
/* Handle the O command, which may have one or two arguments. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
iqout (puuconf, argc, argv, pvar, pinfo)
|
||
pointer puuconf;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
if (argc > 1)
|
||
zQoutfile = zbufcpy (argv[1]);
|
||
if (argc > 2)
|
||
zQoutsys = zbufcpy (argv[2]);
|
||
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
}
|
||
|
||
/* Handle the F command, which may have one or two arguments. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
iqfile (puuconf, argc, argv, pvar, pinfo)
|
||
pointer puuconf;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
if (argc < 2)
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
|
||
/* If this file is not in the spool directory, just ignore it. */
|
||
if (! fspool_file (argv[1]))
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
|
||
++cQfiles;
|
||
azQfiles = (char **) xrealloc ((pointer) azQfiles,
|
||
cQfiles * sizeof (char *));
|
||
azQfiles_to = (char **) xrealloc ((pointer) azQfiles_to,
|
||
cQfiles * sizeof (char *));
|
||
|
||
azQfiles[cQfiles - 1] = zbufcpy (argv[1]);
|
||
if (argc > 2)
|
||
azQfiles_to[cQfiles - 1] = zbufcpy (argv[2]);
|
||
else
|
||
azQfiles_to[cQfiles - 1] = NULL;
|
||
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
}
|
||
|
||
/* Handle the R command, which may have one or two arguments. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
iqrequestor (puuconf, argc, argv, pvar, pinfo)
|
||
pointer puuconf;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
/* We normally have a single argument, which is the ``requestor''
|
||
address, to which we should send any success or error messages.
|
||
Apparently the DOS program UUPC sends two arguments, which are
|
||
the username and the host. */
|
||
if (argc == 2)
|
||
zQrequestor = zbufcpy (argv[1]);
|
||
else if (argc > 2)
|
||
{
|
||
zQrequestor = zbufalc (strlen (argv[1]) + strlen (argv[2])
|
||
+ sizeof "!");
|
||
sprintf (zQrequestor, "%s!%s", argv[2], argv[1]);
|
||
}
|
||
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
}
|
||
|
||
/* Handle the U command, which takes two arguments. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
iquser (puuconf, argc, argv, pvar, pinfo)
|
||
pointer puuconf;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
if (argc > 1)
|
||
zQuser = argv[1];
|
||
if (argc > 2)
|
||
zQsystem = argv[2];
|
||
return UUCONF_CMDTABRET_KEEP;
|
||
}
|
||
|
||
/* Handle various commands which just set boolean variables. */
|
||
|
||
/*ARGSUSED*/
|
||
static int
|
||
iqset (puuconf, argc, argv, pvar, pinfo)
|
||
pointer puuconf;
|
||
int argc;
|
||
char **argv;
|
||
pointer pvar;
|
||
pointer pinfo;
|
||
{
|
||
boolean *pf = (boolean *) pvar;
|
||
|
||
*pf = TRUE;
|
||
return UUCONF_CMDTABRET_CONTINUE;
|
||
}
|
||
|
||
/* The execution processing does a lot of things that have to be
|
||
cleaned up. Rather than try to add the appropriate statements
|
||
to each return point, we keep a set of flags indicating what
|
||
has to be cleaned up. The actual clean up is done by the
|
||
function uqcleanup. */
|
||
#define REMOVE_FILE (01)
|
||
#define REMOVE_NEEDED (02)
|
||
#define FREE_QINPUT (04)
|
||
#define REMOVE_QINPUT (010)
|
||
#define FREE_OUTPUT (020)
|
||
#define FREE_MAIL (040)
|
||
|
||
/* Process an execute file. The zfile argument is the name of the
|
||
execute file. The zbase argument is the base name of zfile. The
|
||
qsys argument describes the system it came from. The zcmd argument
|
||
is the name of the command we are executing (from the -c option) or
|
||
NULL if any command is OK. This sets *pfprocessed to TRUE if the
|
||
file is ready to be executed. */
|
||
|
||
static void
|
||
uqdo_xqt_file (puuconf, zfile, zbase, qsys, zlocalname, zcmd, pfprocessed)
|
||
pointer puuconf;
|
||
const char *zfile;
|
||
const char *zbase;
|
||
const struct uuconf_system *qsys;
|
||
const char *zlocalname;
|
||
const char *zcmd;
|
||
boolean *pfprocessed;
|
||
{
|
||
char *zabsolute;
|
||
boolean ferr;
|
||
FILE *e;
|
||
int iuuconf;
|
||
int i;
|
||
int iclean;
|
||
const char *zmail;
|
||
char *zoutput;
|
||
char *zinput;
|
||
boolean fbadname;
|
||
char abtemp[CFILE_NAME_LEN];
|
||
char abdata[CFILE_NAME_LEN];
|
||
char *zerror;
|
||
struct uuconf_system soutsys;
|
||
const struct uuconf_system *qoutsys;
|
||
boolean fshell;
|
||
size_t clen;
|
||
char *zfullcmd;
|
||
boolean ftemp;
|
||
|
||
*pfprocessed = FALSE;
|
||
|
||
e = fopen (zfile, "r");
|
||
if (e == NULL)
|
||
return;
|
||
|
||
azQargs = NULL;
|
||
zQcmd = NULL;
|
||
zQinput = NULL;
|
||
zQoutfile = NULL;
|
||
zQoutsys = NULL;
|
||
cQfiles = 0;
|
||
azQfiles = NULL;
|
||
azQfiles_to = NULL;
|
||
zQrequestor = NULL;
|
||
zQuser = NULL;
|
||
zQsystem = NULL;
|
||
fQno_ack = FALSE;
|
||
fQsuccess_ack = FALSE;
|
||
fQsend_input = FALSE;
|
||
fQuse_exec = FALSE;
|
||
zQstatus_file = NULL;
|
||
#if ALLOW_SH_EXECUTION
|
||
fQuse_sh = FALSE;
|
||
#endif
|
||
|
||
iuuconf = uuconf_cmd_file (puuconf, e, asQcmds, (pointer) zbase,
|
||
(uuconf_cmdtabfn) NULL,
|
||
(UUCONF_CMDTABFLAG_CASE
|
||
| UUCONF_CMDTABFLAG_NOCOMMENTS),
|
||
(pointer) NULL);
|
||
(void) fclose (e);
|
||
|
||
if (iuuconf != UUCONF_SUCCESS)
|
||
{
|
||
ulog_uuconf (LOG_ERROR, puuconf, iuuconf);
|
||
|
||
/* If we got a non-transient error, we notify the administrator.
|
||
We can't bounce it back to the original requestor, because we
|
||
don't know how to read the file to figure out who it is (it
|
||
would probably be possible to read the file and work it out,
|
||
but it doesn't seem worth it for such an unlikely error). */
|
||
if (UUCONF_ERROR_VALUE (iuuconf) == UUCONF_SYNTAX_ERROR
|
||
|| UUCONF_ERROR_VALUE (iuuconf) == UUCONF_UNKNOWN_COMMAND)
|
||
{
|
||
const char *az[20];
|
||
char *znew;
|
||
|
||
i = 0;
|
||
az[i++] = "The execution file\n\t";
|
||
az[i++] = zfile;
|
||
az[i++] = "\nfor system\n\t";
|
||
az[i++] = qsys->uuconf_zname;
|
||
az[i++] = "\nwas corrupt. ";
|
||
znew = zsysdep_save_corrupt_file (zfile);
|
||
if (znew == NULL)
|
||
{
|
||
az[i++] = "The file could not be preserved.\n";
|
||
(void) remove (zfile);
|
||
}
|
||
else
|
||
{
|
||
az[i++] = "It has been moved to\n\t";
|
||
az[i++] = znew;
|
||
az[i++] = "\n";
|
||
}
|
||
(void) fsysdep_mail (OWNER, "Corrupt execution file", i, az);
|
||
ubuffree (znew);
|
||
}
|
||
|
||
return;
|
||
}
|
||
|
||
iclean = 0;
|
||
|
||
if (azQargs == NULL)
|
||
{
|
||
ulog (LOG_ERROR, "%s: No command given", zbase);
|
||
uqcleanup (zfile, iclean | REMOVE_FILE);
|
||
return;
|
||
}
|
||
|
||
if (zcmd != NULL)
|
||
{
|
||
if (strcmp (zcmd, azQargs[0]) != 0)
|
||
{
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* If there is a lock file for this particular command already,
|
||
it means that some other uuxqt is supposed to handle it. */
|
||
if (fsysdep_uuxqt_locked (azQargs[0]))
|
||
{
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
}
|
||
|
||
/* Lock this particular file. */
|
||
if (! fsysdep_lock_uuxqt_file (zfile))
|
||
{
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
|
||
zQunlock_file = zfile;
|
||
|
||
/* Now that we have the file locked, make sure it still exists.
|
||
Otherwise another uuxqt could have just finished processing it
|
||
and removed the lock file. */
|
||
if (! fsysdep_file_exists (zfile))
|
||
{
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
|
||
if (zQuser != NULL)
|
||
ulog_user (zQuser);
|
||
else if (zQrequestor != NULL)
|
||
ulog_user (zQrequestor);
|
||
else
|
||
ulog_user ("unknown");
|
||
|
||
/* zQsystem, if it is set, comes from the execution file, which
|
||
means that we do not trust it. We only retain it if
|
||
qsys->uuconf_zname is a prefix of it, since that can happen with
|
||
a job from an anonymous system on certain spool directory types,
|
||
and is unlikely to cause any trouble anyhow. */
|
||
if (zQsystem == NULL
|
||
|| strncmp (zQsystem, qsys->uuconf_zname,
|
||
strlen (qsys->uuconf_zname)) != 0)
|
||
zQsystem = qsys->uuconf_zname;
|
||
|
||
/* Make sure that all the required files exist, and get their
|
||
full names in the spool directory. */
|
||
for (i = 0; i < cQfiles; i++)
|
||
{
|
||
char *zreal;
|
||
|
||
zreal = zsysdep_spool_file_name (qsys, azQfiles[i], (pointer) NULL);
|
||
if (zreal == NULL)
|
||
{
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
if (! fsysdep_file_exists (zreal))
|
||
{
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
ubuffree (azQfiles[i]);
|
||
azQfiles[i] = zbufcpy (zreal);
|
||
ubuffree (zreal);
|
||
}
|
||
|
||
/* Lock the execution directory. */
|
||
if (! fsysdep_lock_uuxqt_dir (iQlock_seq))
|
||
{
|
||
ulog (LOG_ERROR, "Could not lock execute directory");
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
fQunlock_directory = TRUE;
|
||
|
||
iclean |= REMOVE_FILE | REMOVE_NEEDED;
|
||
*pfprocessed = TRUE;
|
||
|
||
/* Get the address to mail results to. Prepend the system from
|
||
which the execute file originated, since mail addresses are
|
||
relative to it. */
|
||
zmail = NULL;
|
||
if (zQrequestor != NULL)
|
||
zmail = zQrequestor;
|
||
else if (zQuser != NULL)
|
||
zmail = zQuser;
|
||
if (zmail != NULL
|
||
#if HAVE_INTERNET_MAIL
|
||
&& strchr (zmail, '@') == NULL
|
||
#endif
|
||
&& strcmp (zQsystem, zlocalname) != 0)
|
||
{
|
||
char *zset;
|
||
|
||
zset = zbufalc (strlen (zQsystem) + strlen (zmail) + 2);
|
||
sprintf (zset, "%s!%s", zQsystem, zmail);
|
||
zmail = zset;
|
||
zQmail = zset;
|
||
iclean |= FREE_MAIL;
|
||
}
|
||
|
||
/* The command "uucp" is handled specially. We make sure that the
|
||
appropriate forwarding is permitted, and we add a -u argument to
|
||
specify the user. */
|
||
if (strcmp (azQargs[0], "uucp") == 0)
|
||
{
|
||
char *zfrom, *zto;
|
||
boolean fmany;
|
||
char **azargs;
|
||
const char *zuser;
|
||
|
||
zfrom = NULL;
|
||
zto = NULL;
|
||
fmany = FALSE;
|
||
|
||
/* Skip all the options, and get the from and to specs. We
|
||
don't permit multiple arguments. */
|
||
for (i = 1; azQargs[i] != NULL; i++)
|
||
{
|
||
if (azQargs[i][0] == '-')
|
||
{
|
||
char *zopts;
|
||
|
||
for (zopts = azQargs[i] + 1; *zopts != '\0'; zopts++)
|
||
{
|
||
/* The -g, -n, and -s options take an argument. */
|
||
if (*zopts == 'g' || *zopts == 'n' || *zopts == 's')
|
||
{
|
||
if (zopts[1] == '\0')
|
||
++i;
|
||
break;
|
||
}
|
||
/* The -I, -u and -x options are not permitted. */
|
||
if (*zopts == 'I' || *zopts == 'u' || *zopts == 'x')
|
||
{
|
||
*zopts = 'r';
|
||
if (zopts[1] != '\0')
|
||
zopts[1] = '\0';
|
||
else
|
||
{
|
||
++i;
|
||
azQargs[i] = zbufcpy ("-r");
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
else if (zfrom == NULL)
|
||
zfrom = azQargs[i];
|
||
else if (zto == NULL)
|
||
zto = azQargs[i];
|
||
else
|
||
{
|
||
fmany = TRUE;
|
||
break;
|
||
}
|
||
}
|
||
|
||
/* Add the -u argument. This is required to let uucp do the
|
||
correct permissions checking on the file transfer. */
|
||
for (i = 0; azQargs[i] != NULL; i++)
|
||
;
|
||
azargs = (char **) xmalloc ((i + 2) * sizeof (char *));
|
||
azargs[0] = azQargs[0];
|
||
zuser = zQuser;
|
||
if (zuser == NULL)
|
||
zuser = "uucp";
|
||
azargs[1] = zbufalc (strlen (zQsystem) + strlen (zuser)
|
||
+ sizeof "-u!");
|
||
sprintf (azargs[1], "-u%s!%s", zQsystem, zuser);
|
||
memcpy (azargs + 2, azQargs + 1, i * sizeof (char *));
|
||
xfree ((pointer) azQargs);
|
||
azQargs = azargs;
|
||
|
||
/* Find the uucp binary. */
|
||
zabsolute = zsysdep_find_command ("uucp", qsys->uuconf_pzcmds,
|
||
qsys->uuconf_pzpath, &ferr);
|
||
if (zabsolute == NULL && ! ferr)
|
||
{
|
||
const char *azcmds[2];
|
||
|
||
/* If "uucp" is not a permitted command, then the forwarding
|
||
entries must be set. */
|
||
if (! fqforward (zfrom, qsys->uuconf_pzforward_from, "from", zmail)
|
||
|| ! fqforward (zto, qsys->uuconf_pzforward_to, "to", zmail))
|
||
{
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
|
||
/* If "uucp" is not a permitted command, then only uucp
|
||
requests with a single source are permitted, since that
|
||
is all that will be generated by uucp or uux. */
|
||
if (fmany)
|
||
{
|
||
ulog (LOG_ERROR, "Bad uucp request %s", zQcmd);
|
||
|
||
if (zmail != NULL && ! fQno_ack)
|
||
{
|
||
const char *az[20];
|
||
|
||
i = 0;
|
||
az[i++] = "Your execution request failed because it was an";
|
||
az[i++] = " unsupported uucp request.\n";
|
||
az[i++] = "Execution requested was:\n\t";
|
||
az[i++] = zQcmd;
|
||
az[i++] = "\n";
|
||
|
||
(void) fsysdep_mail (zmail, "Execution failed", i, az);
|
||
}
|
||
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
|
||
azcmds[0] = "uucp";
|
||
azcmds[1] = NULL;
|
||
zabsolute = zsysdep_find_command ("uucp", (char **) azcmds,
|
||
qsys->uuconf_pzpath, &ferr);
|
||
}
|
||
if (zabsolute == NULL)
|
||
{
|
||
if (! ferr)
|
||
ulog (LOG_ERROR, "Can't find uucp executable");
|
||
|
||
uqcleanup (zfile, iclean &~ (REMOVE_FILE | REMOVE_NEEDED));
|
||
*pfprocessed = FALSE;
|
||
return;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
/* Get the pathname to execute. */
|
||
zabsolute = zsysdep_find_command (azQargs[0], qsys->uuconf_pzcmds,
|
||
qsys->uuconf_pzpath,
|
||
&ferr);
|
||
if (zabsolute == NULL)
|
||
{
|
||
if (ferr)
|
||
{
|
||
/* If we get an error, try again later. */
|
||
uqcleanup (zfile, iclean &~ (REMOVE_FILE | REMOVE_NEEDED));
|
||
*pfprocessed = FALSE;
|
||
return;
|
||
}
|
||
|
||
/* Not permitted. Send mail to requestor. */
|
||
ulog (LOG_ERROR, "Not permitted to execute %s",
|
||
azQargs[0]);
|
||
|
||
if (zmail != NULL && ! fQno_ack)
|
||
{
|
||
const char *az[20];
|
||
|
||
i = 0;
|
||
az[i++] = "Your execution request failed because you are not";
|
||
az[i++] = " permitted to execute\n\t";
|
||
az[i++] = azQargs[0];
|
||
az[i++] = "\non this system.\n";
|
||
az[i++] = "Execution requested was:\n\t";
|
||
az[i++] = zQcmd;
|
||
az[i++] = "\n";
|
||
|
||
(void) fsysdep_mail (zmail, "Execution failed", i, az);
|
||
}
|
||
|
||
iclean = isave_files (qsys, zmail, zfile, iclean);
|
||
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
}
|
||
|
||
ubuffree (azQargs[0]);
|
||
azQargs[0] = zabsolute;
|
||
|
||
for (i = 1; azQargs[i] != NULL; i++)
|
||
{
|
||
char *zlocal;
|
||
|
||
zlocal = zsysdep_xqt_local_file (qsys, azQargs[i]);
|
||
if (zlocal != NULL)
|
||
{
|
||
ubuffree (azQargs[i]);
|
||
azQargs[i] = zlocal;
|
||
}
|
||
}
|
||
|
||
#if ! ALLOW_FILENAME_ARGUMENTS
|
||
|
||
/* Check all the arguments to make sure they don't try to specify
|
||
files they are not permitted to access. */
|
||
for (i = 1; azQargs[i] != NULL; i++)
|
||
{
|
||
if (! fsysdep_xqt_check_file (qsys, azQargs[i]))
|
||
{
|
||
if (zmail != NULL && ! fQno_ack)
|
||
{
|
||
const char *az[20];
|
||
const char *zfailed;
|
||
|
||
zfailed = azQargs[i];
|
||
i = 0;
|
||
az[i++] = "Your execution request failed because you are not";
|
||
az[i++] = " permitted to refer to file\n\t";
|
||
az[i++] = zfailed;
|
||
az[i++] = "\non this system.\n";
|
||
az[i++] = "Execution requested was:\n\t";
|
||
az[i++] = zQcmd;
|
||
az[i++] = "\n";
|
||
|
||
(void) fsysdep_mail (zmail, "Execution failed", i, az);
|
||
}
|
||
|
||
iclean = isave_files (qsys, zmail, zfile, iclean);
|
||
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
}
|
||
|
||
#endif /* ! ALLOW_FILENAME_ARGUMENTS */
|
||
|
||
ulog (LOG_NORMAL, "Executing %s (%s)", zbase, zQcmd);
|
||
|
||
if (zQinput != NULL)
|
||
{
|
||
boolean fspool;
|
||
char *zreal;
|
||
|
||
fspool = fspool_file (zQinput);
|
||
if (! fspool)
|
||
zreal = zsysdep_local_file (zQinput, qsys->uuconf_zpubdir, &fbadname);
|
||
else
|
||
{
|
||
zreal = zsysdep_spool_file_name (qsys, zQinput, (pointer) NULL);
|
||
fbadname = FALSE;
|
||
}
|
||
if (zreal == NULL && ! fbadname)
|
||
{
|
||
/* If we get an error, try again later. */
|
||
uqcleanup (zfile, iclean &~ (REMOVE_FILE | REMOVE_NEEDED));
|
||
*pfprocessed = FALSE;
|
||
return;
|
||
}
|
||
|
||
if (zreal != NULL)
|
||
{
|
||
zQinput = zreal;
|
||
iclean |= FREE_QINPUT;
|
||
if (fspool)
|
||
iclean |= REMOVE_QINPUT;
|
||
}
|
||
|
||
if (zreal == NULL
|
||
|| (! fspool
|
||
&& ! fin_directory_list (zQinput, qsys->uuconf_pzremote_send,
|
||
qsys->uuconf_zpubdir, TRUE, TRUE,
|
||
(const char *) NULL)))
|
||
{
|
||
ulog (LOG_ERROR, "Not permitted to read %s", zQinput);
|
||
|
||
if (zmail != NULL && ! fQno_ack)
|
||
{
|
||
const char *az[20];
|
||
|
||
i = 0;
|
||
az[i++] = "Your execution request failed because you are";
|
||
az[i++] = " not permitted to read\n\t";
|
||
az[i++] = zQinput;
|
||
az[i++] = "\non this system.\n";
|
||
az[i++] = "Execution requested was:\n\t";
|
||
az[i++] = zQcmd;
|
||
az[i++] = "\n";
|
||
|
||
(void) fsysdep_mail (zmail, "Execution failed", i, az);
|
||
}
|
||
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
}
|
||
|
||
zoutput = NULL;
|
||
if (zQoutfile == NULL)
|
||
qoutsys = NULL;
|
||
else if (zQoutsys != NULL
|
||
&& strcmp (zQoutsys, zlocalname) != 0)
|
||
{
|
||
char *zdata;
|
||
|
||
/* The output file is destined for some other system, so we must
|
||
use a temporary file to catch standard output. */
|
||
if (strcmp (zQoutsys, qsys->uuconf_zname) == 0)
|
||
qoutsys = qsys;
|
||
else
|
||
{
|
||
iuuconf = uuconf_system_info (puuconf, zQoutsys, &soutsys);
|
||
if (iuuconf != UUCONF_SUCCESS)
|
||
{
|
||
if (iuuconf != UUCONF_NOT_FOUND)
|
||
{
|
||
ulog_uuconf (LOG_ERROR, puuconf, iuuconf);
|
||
uqcleanup (zfile, iclean &~ (REMOVE_FILE | REMOVE_NEEDED));
|
||
*pfprocessed = FALSE;
|
||
return;
|
||
}
|
||
|
||
if (! funknown_system (puuconf, zQoutsys, &soutsys))
|
||
{
|
||
ulog (LOG_ERROR,
|
||
"Can't send standard output to unknown system %s",
|
||
zQoutsys);
|
||
/* We don't send mail to unknown systems, either.
|
||
Maybe we should. */
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
}
|
||
|
||
qoutsys = &soutsys;
|
||
}
|
||
|
||
zdata = zsysdep_data_file_name (qoutsys, zlocalname,
|
||
BDEFAULT_UUX_GRADE, FALSE, abtemp,
|
||
abdata, (char *) NULL);
|
||
if (zdata == NULL)
|
||
{
|
||
/* If we get an error, try again later. */
|
||
uqcleanup (zfile, iclean &~ (REMOVE_FILE | REMOVE_NEEDED));
|
||
*pfprocessed = FALSE;
|
||
return;
|
||
}
|
||
zoutput = zdata;
|
||
zQoutput = zoutput;
|
||
iclean |= FREE_OUTPUT;
|
||
}
|
||
else
|
||
{
|
||
boolean fok;
|
||
|
||
qoutsys = NULL;
|
||
|
||
/* If we permitted the standard output to be redirected into
|
||
the spool directory, people could set up phony commands. */
|
||
if (fspool_file (zQoutfile))
|
||
fok = FALSE;
|
||
else
|
||
{
|
||
zoutput = zsysdep_local_file (zQoutfile, qsys->uuconf_zpubdir,
|
||
&fbadname);
|
||
if (zoutput == NULL)
|
||
{
|
||
if (! fbadname)
|
||
{
|
||
/* If we get an error, try again later. */
|
||
uqcleanup (zfile, iclean &~ (REMOVE_FILE | REMOVE_NEEDED));
|
||
*pfprocessed = FALSE;
|
||
return;
|
||
}
|
||
fok = FALSE;
|
||
}
|
||
else
|
||
{
|
||
ubuffree (zQoutfile);
|
||
zQoutfile = zoutput;
|
||
|
||
/* Make sure it's OK to receive this file. */
|
||
fok = fin_directory_list (zQoutfile,
|
||
qsys->uuconf_pzremote_receive,
|
||
qsys->uuconf_zpubdir, TRUE, FALSE,
|
||
(const char *) NULL);
|
||
}
|
||
}
|
||
|
||
if (! fok)
|
||
{
|
||
ulog (LOG_ERROR, "Not permitted to write to %s", zQoutfile);
|
||
|
||
if (zmail != NULL && ! fQno_ack)
|
||
{
|
||
const char *az[20];
|
||
|
||
i = 0;
|
||
az[i++] = "Your execution request failed because you are";
|
||
az[i++] = " not permitted to write to\n\t";
|
||
az[i++] = zQoutfile;
|
||
az[i++] = "\non this system.\n";
|
||
az[i++] = "Execution requested was:\n\t";
|
||
az[i++] = zQcmd;
|
||
az[i++] = "\n";
|
||
|
||
(void) fsysdep_mail (zmail, "Execution failed", i, az);
|
||
}
|
||
|
||
uqcleanup (zfile, iclean);
|
||
return;
|
||
}
|
||
}
|
||
|
||
/* Move the required files to the execution directory if necessary. */
|
||
zinput = zQinput;
|
||
if (! fsysdep_move_uuxqt_files (cQfiles, (const char **) azQfiles,
|
||
(const char **) azQfiles_to,
|
||
TRUE, iQlock_seq, &zinput))
|
||
{
|
||
/* If we get an error, try again later. */
|
||
uqcleanup (zfile, iclean &~ (REMOVE_FILE | REMOVE_NEEDED));
|
||
*pfprocessed = FALSE;
|
||
return;
|
||
}
|
||
if (zQinput != NULL && strcmp (zQinput, zinput) != 0)
|
||
{
|
||
if ((iclean & FREE_QINPUT) != 0)
|
||
ubuffree (zQinput);
|
||
zQinput = zinput;
|
||
iclean |= FREE_QINPUT;
|
||
}
|
||
|
||
#if ALLOW_SH_EXECUTION
|
||
fshell = fQuse_sh;
|
||
#else
|
||
fshell = FALSE;
|
||
#endif
|
||
|
||
/* Get a shell command which uses the full path of the command to
|
||
execute. */
|
||
clen = 0;
|
||
for (i = 0; azQargs[i] != NULL; i++)
|
||
clen += strlen (azQargs[i]) + 1;
|
||
zfullcmd = zbufalc (clen);
|
||
strcpy (zfullcmd, azQargs[0]);
|
||
for (i = 1; azQargs[i] != NULL; i++)
|
||
{
|
||
strcat (zfullcmd, " ");
|
||
strcat (zfullcmd, azQargs[i]);
|
||
}
|
||
|
||
if (! fsysdep_execute (qsys,
|
||
zQuser == NULL ? (const char *) "uucp" : zQuser,
|
||
(const char **) azQargs, zfullcmd, zQinput,
|
||
zoutput, fshell, iQlock_seq, &zerror, &ftemp))
|
||
{
|
||
ubuffree (zfullcmd);
|
||
|
||
(void) fsysdep_move_uuxqt_files (cQfiles, (const char **) azQfiles,
|
||
(const char **) azQfiles_to,
|
||
FALSE, iQlock_seq,
|
||
(char **) NULL);
|
||
|
||
if (ftemp)
|
||
{
|
||
ulog (LOG_NORMAL, "Will retry later (%s)", zbase);
|
||
if (zoutput != NULL)
|
||
(void) remove (zoutput);
|
||
if (zerror != NULL)
|
||
{
|
||
(void) remove (zerror);
|
||
ubuffree (zerror);
|
||
}
|
||
uqcleanup (zfile, iclean &~ (REMOVE_FILE | REMOVE_NEEDED));
|
||
*pfprocessed = FALSE;
|
||
return;
|
||
}
|
||
|
||
ulog (LOG_NORMAL, "Execution failed (%s)", zbase);
|
||
|
||
if (zmail != NULL && ! fQno_ack)
|
||
{
|
||
const char **pz;
|
||
int cgot;
|
||
FILE *eerr;
|
||
int istart;
|
||
|
||
cgot = 20;
|
||
pz = (const char **) xmalloc (cgot * sizeof (const char *));
|
||
i = 0;
|
||
pz[i++] = "Execution request failed:\n\t";
|
||
pz[i++] = zQcmd;
|
||
pz[i++] = "\n";
|
||
|
||
if (zerror == NULL)
|
||
eerr = NULL;
|
||
else
|
||
eerr = fopen (zerror, "r");
|
||
if (eerr == NULL)
|
||
{
|
||
pz[i++] = "There was no output on standard error\n";
|
||
istart = i;
|
||
}
|
||
else
|
||
{
|
||
char *zline;
|
||
size_t cline;
|
||
|
||
pz[i++] = "Standard error output was:\n";
|
||
istart = i;
|
||
|
||
zline = NULL;
|
||
cline = 0;
|
||
while (getline (&zline, &cline, eerr) > 0)
|
||
{
|
||
if (i >= cgot)
|
||
{
|
||
cgot += 20;
|
||
pz = ((const char **)
|
||
xrealloc ((pointer) pz,
|
||
cgot * sizeof (const char *)));
|
||
}
|
||
pz[i++] = zbufcpy (zline);
|
||
}
|
||
|
||
(void) fclose (eerr);
|
||
xfree ((pointer) zline);
|
||
}
|
||
|
||
(void) fsysdep_mail (zmail, "Execution failed", i, pz);
|
||
|
||
for (; istart < i; istart++)
|
||
ubuffree ((char *) pz[istart]);
|
||
xfree ((pointer) pz);
|
||
}
|
||
|
||
if (qoutsys != NULL)
|
||
(void) remove (zoutput);
|
||
|
||
iclean = isave_files (qsys, zmail, zfile, iclean);
|
||
}
|
||
else
|
||
{
|
||
ubuffree (zfullcmd);
|
||
|
||
if (zmail != NULL && fQsuccess_ack)
|
||
{
|
||
const char *az[20];
|
||
|
||
i = 0;
|
||
az[i++] = "\nExecution request succeeded:\n\t";
|
||
az[i++] = zQcmd;
|
||
az[i++] = "\n";
|
||
|
||
(void) fsysdep_mail (zmail, "Execution succeded", i, az);
|
||
}
|
||
|
||
/* Now we may have to uucp the output to some other machine. */
|
||
|
||
if (qoutsys != NULL)
|
||
{
|
||
struct scmd s;
|
||
|
||
/* Fill in the command structure. */
|
||
|
||
s.bcmd = 'S';
|
||
s.bgrade = BDEFAULT_UUX_GRADE;
|
||
s.pseq = NULL;
|
||
s.zfrom = abtemp;
|
||
s.zto = zQoutfile;
|
||
if (zQuser != NULL)
|
||
s.zuser = zQuser;
|
||
else
|
||
s.zuser = "uucp";
|
||
if (zmail != NULL && fQsuccess_ack)
|
||
s.zoptions = "Cn";
|
||
else
|
||
s.zoptions = "C";
|
||
s.ztemp = abtemp;
|
||
s.imode = 0666;
|
||
if (zmail != NULL && fQsuccess_ack)
|
||
s.znotify = zmail;
|
||
else
|
||
s.znotify = "";
|
||
s.cbytes = -1;
|
||
s.zcmd = NULL;
|
||
s.ipos = 0;
|
||
|
||
ubuffree (zsysdep_spool_commands (qoutsys, BDEFAULT_UUX_GRADE,
|
||
1, &s));
|
||
}
|
||
}
|
||
|
||
if (zerror != NULL)
|
||
{
|
||
(void) remove (zerror);
|
||
ubuffree (zerror);
|
||
}
|
||
|
||
uqcleanup (zfile, iclean);
|
||
}
|
||
|
||
/* If we have enough disk space, save the data files so that the UUCP
|
||
administrator can examine them. Send a mail message listing the
|
||
saved files. */
|
||
|
||
static int
|
||
isave_files (qsys, zmail, zfile, iclean)
|
||
const struct uuconf_system *qsys;
|
||
const char *zmail;
|
||
const char *zfile;
|
||
int iclean;
|
||
{
|
||
long cspace;
|
||
char *zsavecmd;
|
||
char **pzsave;
|
||
int c;
|
||
int ifile;
|
||
char *zsaveinput;
|
||
const char **pz;
|
||
int i;
|
||
|
||
/* Save the files if there is 1.5 times the amount of required free
|
||
space. */
|
||
cspace = csysdep_bytes_free (zfile);
|
||
if (cspace == -1)
|
||
cspace = FREE_SPACE_DELTA;
|
||
cspace -= qsys->uuconf_cfree_space + qsys->uuconf_cfree_space / 2;
|
||
if (cspace < 0)
|
||
return iclean;
|
||
|
||
zsavecmd = zsysdep_save_failed_file (zfile);
|
||
if (zsavecmd == NULL)
|
||
return iclean;
|
||
|
||
c = 1;
|
||
|
||
pzsave = (char **) xmalloc (cQfiles * sizeof (char *));
|
||
for (ifile = 0; ifile < cQfiles; ifile++)
|
||
{
|
||
if (azQfiles[ifile] != NULL)
|
||
{
|
||
++c;
|
||
pzsave[ifile] = zsysdep_save_failed_file (azQfiles[ifile]);
|
||
if (pzsave[ifile] == NULL)
|
||
{
|
||
ubuffree (zsavecmd);
|
||
for (i = 0; i < ifile; i++)
|
||
if (azQfiles[i] != NULL)
|
||
ubuffree (pzsave[i]);
|
||
xfree ((pointer) pzsave);
|
||
return iclean;
|
||
}
|
||
}
|
||
}
|
||
|
||
zsaveinput = NULL;
|
||
if ((iclean & REMOVE_QINPUT) != 0
|
||
&& fsysdep_file_exists (zQinput))
|
||
{
|
||
zsaveinput = zsysdep_save_failed_file (zQinput);
|
||
if (zsaveinput == NULL)
|
||
{
|
||
ubuffree (zsavecmd);
|
||
for (i = 0; i < cQfiles; i++)
|
||
if (azQfiles[i] != NULL)
|
||
ubuffree (pzsave[i]);
|
||
xfree ((pointer) pzsave);
|
||
return iclean;
|
||
}
|
||
}
|
||
|
||
pz = (const char **) xmalloc ((20 + 2 * cQfiles) * sizeof (char *));
|
||
i = 0;
|
||
|
||
pz[i++] = "A UUCP execution request failed:\n\t";
|
||
pz[i++] = zQcmd;
|
||
if (zmail != NULL)
|
||
{
|
||
pz[i++] = "\nThe request was made by\n\t";
|
||
pz[i++] = zmail;
|
||
}
|
||
else
|
||
{
|
||
pz[i++] = "\nThe request came from system\n\t";
|
||
pz[i++] = qsys->uuconf_zname;
|
||
}
|
||
if (c == 1 && zsaveinput == NULL)
|
||
pz[i++] = "\nThe following file has been saved:\n\t";
|
||
else
|
||
pz[i++] = "\nThe following files have been saved:\n\t";
|
||
pz[i++] = zsavecmd;
|
||
for (ifile = 0; ifile < cQfiles; ifile++)
|
||
{
|
||
if (azQfiles[ifile] != NULL)
|
||
{
|
||
pz[i++] = "\n\t";
|
||
pz[i++] = pzsave[ifile];
|
||
}
|
||
}
|
||
if (zsaveinput != NULL)
|
||
{
|
||
pz[i++] = "\n\t";
|
||
pz[i++] = zsaveinput;
|
||
}
|
||
pz[i++] = "\n";
|
||
|
||
(void) fsysdep_mail (OWNER,
|
||
"UUCP execution files saved after failure",
|
||
i, pz);
|
||
|
||
xfree ((pointer) pz);
|
||
|
||
ubuffree (zsavecmd);
|
||
for (ifile = 0; ifile < cQfiles; ifile++)
|
||
if (azQfiles[ifile] != NULL)
|
||
ubuffree (pzsave[ifile]);
|
||
xfree ((pointer) pzsave);
|
||
ubuffree (zsaveinput);
|
||
|
||
return iclean &~ (REMOVE_FILE | REMOVE_NEEDED);
|
||
}
|
||
|
||
/* Clean up the results of uqdo_xqt_file. */
|
||
|
||
static void
|
||
uqcleanup (zfile, iflags)
|
||
const char *zfile;
|
||
int iflags;
|
||
{
|
||
int i;
|
||
|
||
DEBUG_MESSAGE2 (DEBUG_SPOOLDIR,
|
||
"uqcleanup: %s, %d", zfile, iflags);
|
||
|
||
if (zQunlock_file != NULL)
|
||
{
|
||
(void) fsysdep_unlock_uuxqt_file (zQunlock_file);
|
||
zQunlock_file = NULL;
|
||
}
|
||
|
||
if ((iflags & REMOVE_FILE) != 0)
|
||
(void) remove (zfile);
|
||
|
||
if ((iflags & REMOVE_NEEDED) != 0)
|
||
{
|
||
for (i = 0; i < cQfiles; i++)
|
||
{
|
||
if (azQfiles[i] != NULL)
|
||
(void) remove (azQfiles[i]);
|
||
}
|
||
if ((iflags & REMOVE_QINPUT) != 0)
|
||
(void) remove (zQinput);
|
||
}
|
||
|
||
if ((iflags & FREE_QINPUT) != 0)
|
||
ubuffree (zQinput);
|
||
|
||
if ((iflags & FREE_OUTPUT) != 0)
|
||
ubuffree (zQoutput);
|
||
if ((iflags & FREE_MAIL) != 0)
|
||
ubuffree (zQmail);
|
||
|
||
if (fQunlock_directory)
|
||
{
|
||
(void) fsysdep_unlock_uuxqt_dir (iQlock_seq);
|
||
fQunlock_directory = FALSE;
|
||
}
|
||
|
||
for (i = 0; i < cQfiles; i++)
|
||
{
|
||
ubuffree (azQfiles[i]);
|
||
ubuffree (azQfiles_to[i]);
|
||
}
|
||
|
||
ubuffree (zQoutfile);
|
||
ubuffree (zQoutsys);
|
||
ubuffree (zQrequestor);
|
||
|
||
if (azQargs != NULL)
|
||
{
|
||
for (i = 0; azQargs[i] != NULL; i++)
|
||
ubuffree (azQargs[i]);
|
||
xfree ((pointer) azQargs);
|
||
azQargs = NULL;
|
||
}
|
||
|
||
xfree ((pointer) zQcmd);
|
||
zQcmd = NULL;
|
||
|
||
xfree ((pointer) azQfiles);
|
||
azQfiles = NULL;
|
||
|
||
xfree ((pointer) azQfiles_to);
|
||
azQfiles_to = NULL;
|
||
}
|
||
|
||
/* Check whether forwarding is permitted. */
|
||
|
||
static boolean
|
||
fqforward (zfile, pzallowed, zlog, zmail)
|
||
const char *zfile;
|
||
char **pzallowed;
|
||
const char *zlog;
|
||
const char *zmail;
|
||
{
|
||
const char *zexclam;
|
||
|
||
zexclam = strchr (zfile, '!');
|
||
if (zexclam != NULL)
|
||
{
|
||
size_t clen;
|
||
char *zsys;
|
||
boolean fret;
|
||
|
||
clen = zexclam - zfile;
|
||
zsys = zbufalc (clen + 1);
|
||
memcpy (zsys, zfile, clen);
|
||
zsys[clen] = '\0';
|
||
|
||
fret = FALSE;
|
||
if (pzallowed != NULL)
|
||
{
|
||
char **pz;
|
||
|
||
for (pz = pzallowed; *pz != NULL; pz++)
|
||
{
|
||
if (strcmp (*pz, "ANY") == 0
|
||
|| strcmp (*pz, zsys) == 0)
|
||
{
|
||
fret = TRUE;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
if (! fret)
|
||
{
|
||
ulog (LOG_ERROR, "Not permitted to forward %s %s (%s)",
|
||
zlog, zsys, zQcmd);
|
||
|
||
if (zmail != NULL && ! fQno_ack)
|
||
{
|
||
int i;
|
||
const char *az[20];
|
||
|
||
i = 0;
|
||
az[i++] = "Your execution request failed because you are";
|
||
az[i++] = " not permitted to forward files\n";
|
||
az[i++] = zlog;
|
||
az[i++] = " the system\n\t";
|
||
az[i++] = zsys;
|
||
az[i++] = "\n";
|
||
az[i++] = "Execution requested was:\n\t";
|
||
az[i++] = zQcmd;
|
||
az[i++] = "\n";
|
||
|
||
(void) fsysdep_mail (zmail, "Execution failed", i, az);
|
||
}
|
||
}
|
||
|
||
ubuffree (zsys);
|
||
|
||
return fret;
|
||
}
|
||
|
||
return TRUE;
|
||
}
|