493 lines
12 KiB
C
493 lines
12 KiB
C
/* uulog.c
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Display the UUCP log file.
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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 uulog_rcsid[] = "$FreeBSD$";
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#endif
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#include <ctype.h>
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#include <errno.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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/* This is a pretty bad implementation of uulog, which I don't think
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is a very useful program anyhow. It only takes a single -s and/or
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-u switch. When using HAVE_HDB_LOGGING it requires a system. */
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/* Local functions. */
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static void ulusage P((void));
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static void ulhelp P((void));
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/* Long getopt options. */
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static const struct option asLlongopts[] =
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{
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{ "debuglog", no_argument, NULL, 'D' },
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{ "follow", optional_argument, NULL, 2 },
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{ "lines", required_argument, NULL, 'n' },
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{ "system", required_argument, NULL, 's' },
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{ "statslog", no_argument, NULL, 'S' },
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{ "user", required_argument, NULL, 'u' },
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{ "uuxqtlog", no_argument, NULL, 'x' },
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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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/* -D: display Debug file */
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boolean fdebug = FALSE;
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/* -f: keep displaying lines forever. */
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boolean fforever = FALSE;
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/* -n lines: number of lines to display. */
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int cshow = 0;
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/* -s: system name. */
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const char *zsystem = NULL;
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/* -S: display Stats file */
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boolean fstats = FALSE;
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/* -u: user name. */
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const char *zuser = NULL;
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/* -I: configuration file name. */
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const char *zconfig = NULL;
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/* -x: display uuxqt log file. */
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boolean fuuxqt = FALSE;
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int i;
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int iopt;
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pointer puuconf;
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int iuuconf;
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const char *zlogfile;
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const char *zstatsfile;
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const char *zdebugfile;
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const char *zfile;
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FILE *e;
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char **pzshow = NULL;
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int ishow = 0;
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size_t csystem = 0;
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size_t cuser = 0;
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char *zline;
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size_t cline;
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zProgram = argv[0];
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/* Look for a straight number argument, and convert it to -n before
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passing the arguments to getopt. */
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for (i = 0; i < argc; i++)
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{
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if (argv[i][0] == '-' && isdigit (argv[i][1]))
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{
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size_t clen;
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char *znew;
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clen = strlen (argv[i]);
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znew = zbufalc (clen + 2);
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znew[0] = '-';
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znew[1] = 'n';
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memcpy (znew + 2, argv[i] + 1, clen);
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argv[i] = znew;
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}
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}
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while ((iopt = getopt_long (argc, argv, "Df:FI:n:s:Su:vxX:", asLlongopts,
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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 'D':
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/* Show debugging file. */
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fdebug = TRUE;
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break;
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case 'f':
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/* Keep displaying lines forever for a particular system. */
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fforever = TRUE;
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zsystem = optarg;
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if (cshow == 0)
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cshow = 10;
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break;
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case 'F':
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/* Keep displaying lines forever. */
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fforever = TRUE;
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if (cshow == 0)
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cshow = 10;
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break;
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case 'I':
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/* 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 'n':
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/* Number of lines to display. */
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cshow = (int) strtol (optarg, (char **) NULL, 10);
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break;
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case 's':
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/* System name. */
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zsystem = optarg;
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break;
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case 'S':
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/* Show statistics file. */
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fstats = TRUE;
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break;
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case 'u':
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/* User name. */
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zuser = optarg;
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break;
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case 'x':
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/* Display uuxqt log file. */
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fuuxqt = TRUE;
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break;
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case 'X':
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#if DEBUG > 1
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/* Set 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 2:
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/* --follow. */
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fforever = TRUE;
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if (cshow == 0)
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cshow = 10;
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if (optarg != NULL)
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zsystem = optarg;
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break;
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case 1:
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/* --help. */
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ulhelp ();
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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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ulusage ();
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/*NOTREACHED*/
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}
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}
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if (optind != argc || (fstats && fdebug))
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ulusage ();
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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_logfile (puuconf, &zlogfile);
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if (iuuconf != UUCONF_SUCCESS)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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iuuconf = uuconf_statsfile (puuconf, &zstatsfile);
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if (iuuconf != UUCONF_SUCCESS)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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iuuconf = uuconf_debugfile (puuconf, &zdebugfile);
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if (iuuconf != UUCONF_SUCCESS)
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ulog_uuconf (LOG_FATAL, puuconf, iuuconf);
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usysdep_initialize (puuconf, INIT_NOCHDIR);
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if (zsystem != NULL)
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{
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#if HAVE_HDB_LOGGING
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if (strcmp (zsystem, "ANY") != 0)
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#endif
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{
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struct uuconf_system ssys;
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/* Canonicalize the system name. If we can't find the
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system information, just use whatever we were given so
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that people can check on systems that logged in
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anonymously. */
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iuuconf = uuconf_system_info (puuconf, zsystem, &ssys);
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if (iuuconf == UUCONF_SUCCESS)
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{
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zsystem = zbufcpy (ssys.uuconf_zname);
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(void) uuconf_system_free (puuconf, &ssys);
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}
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}
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}
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if (fstats)
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zfile = zstatsfile;
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else if (fdebug)
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zfile = zdebugfile;
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else
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{
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#if ! HAVE_HDB_LOGGING
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zfile = zlogfile;
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#else
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const char *zprogram;
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char *zalc;
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/* We need a system to find a HDB log file. */
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if (zsystem == NULL)
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ulog (LOG_FATAL,
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"system name (-s argument) required for HDB format log files");
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if (fuuxqt)
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zprogram = "uuxqt";
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else
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zprogram = "uucico";
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zalc = zbufalc (strlen (zlogfile)
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+ strlen (zprogram)
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+ strlen (zsystem)
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+ 1);
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sprintf (zalc, zlogfile, zprogram, zsystem);
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zfile = zalc;
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if (! fsysdep_file_exists (zfile))
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ulog (LOG_FATAL, "no log file available for system %s", zsystem);
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if (strcmp (zsystem, "ANY") == 0)
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zsystem = NULL;
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#endif
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}
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e = fopen (zfile, "r");
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if (e == NULL)
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{
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ulog (LOG_ERROR, "fopen (%s): %s", zfile, strerror (errno));
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usysdep_exit (FALSE);
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}
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if (cshow > 0)
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{
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pzshow = (char **) xmalloc (cshow * sizeof (char *));
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for (ishow = 0; ishow < cshow; ishow++)
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pzshow[ishow] = NULL;
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ishow = 0;
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}
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/* Read the log file and output the appropriate lines. */
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if (zsystem != NULL)
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csystem = strlen (zsystem);
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if (zuser != NULL)
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cuser = strlen (zuser);
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zline = NULL;
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cline = 0;
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while (TRUE)
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{
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while (getline (&zline, &cline, e) > 0)
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{
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char *zluser, *zlsys, *znext;
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size_t cluser, clsys;
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/* Skip any leading whitespace (not that there should be
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any). */
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znext = zline + strspn (zline, " \t");
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if (! fstats)
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{
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#if ! HAVE_TAYLOR_LOGGING
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/* The user name is the first field on the line. */
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zluser = znext;
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cluser = strcspn (znext, " \t");
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#endif
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/* Skip the first field. */
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znext += strcspn (znext, " \t");
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znext += strspn (znext, " \t");
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/* The system is the second field on the line. */
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zlsys = znext;
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clsys = strcspn (znext, " \t");
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/* Skip the second field. */
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znext += clsys;
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znext += strspn (znext, " \t");
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#if HAVE_TAYLOR_LOGGING
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/* The user is the third field on the line. */
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zluser = znext;
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cluser = strcspn (znext, " \t");
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#endif
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}
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else
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{
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#if ! HAVE_HDB_LOGGING
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/* The user name is the first field on the line, and the
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system name is the second. */
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zluser = znext;
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cluser = strcspn (znext, " \t");
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znext += cluser;
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znext += strspn (znext, " \t");
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zlsys = znext;
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clsys = strcspn (znext, " \t");
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#else
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/* The first field is system!user. */
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zlsys = znext;
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clsys = strcspn (znext, "!");
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znext += clsys + 1;
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zluser = znext;
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cluser = strcspn (znext, " \t");
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#endif
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}
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/* See if we should print this line. */
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if (zsystem != NULL
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&& (csystem != clsys
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|| strncmp (zsystem, zlsys, clsys) != 0))
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continue;
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if (zuser != NULL
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&& (cuser != cluser
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|| strncmp (zuser, zluser, cluser) != 0))
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continue;
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/* Output the line, or save it if we are outputting only a
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particular number of lines. */
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if (cshow <= 0)
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printf ("%s", zline);
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else
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{
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ubuffree ((pointer) pzshow[ishow]);
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pzshow[ishow] = zbufcpy (zline);
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ishow = (ishow + 1) % cshow;
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}
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}
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/* Output the number of lines requested by the -n option. */
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if (cshow > 0)
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{
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for (i = 0; i < cshow; i++)
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{
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if (pzshow[ishow] != NULL)
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printf ("%s", pzshow[ishow]);
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ishow = (ishow + 1) % cshow;
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}
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}
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/* If -f was not specified, or an error occurred while reading
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the file, get out. */
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if (! fforever || ferror (e))
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break;
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clearerr (e);
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cshow = 0;
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/* Sleep 1 second before going around the loop again. */
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usysdep_sleep (1);
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}
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(void) fclose (e);
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ulog_close ();
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usysdep_exit (TRUE);
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/* Avoid errors about not returning a value. */
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return 0;
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}
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/* Print a usage message and die. */
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static void
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ulusage ()
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{
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fprintf (stderr,
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"Usage: %s [-n #] [-sf system] [-u user] [-xDSF] [-I file] [-X debug]\n",
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zProgram);
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fprintf (stderr, "Use %s --help for help\n", zProgram);
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exit (EXIT_FAILURE);
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}
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/* Print a help message. */
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static void
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ulhelp ()
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{
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printf ("Taylor UUCP %s, copyright (C) 1991, 92, 93, 94, 1995 Ian Lance Taylor\n",
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VERSION);
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#if HAVE_HDB_LOGGING
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printf ("Usage: %s [-n #] [-sf system] [-u user] [-xDS] [-I file] [-X debug]\n",
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zProgram);
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#else
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printf ("Usage: %s [-n #] [-sf system] [-u user] [-DSF] [-I file] [-X debug]\n",
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zProgram);
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#endif
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printf (" -n,--lines: show given number of lines from end of log\n");
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printf (" -s,--system: print entries for named system\n");
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printf (" -f system,--follow=system: follow entries for named system\n");
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printf (" -u,--user user: print entries for named user\n");
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#if HAVE_HDB_LOGGING
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printf (" -x,--uuxqt: print uuxqt log rather than uucico log\n");
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#else
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printf (" -F,--follow: follow entries for any system\n");
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#endif
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printf (" -S,--statslog: show statistics file\n");
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printf (" -D,--debuglog: show debugging file\n");
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printf (" -X,--debug debug: Set debugging level\n");
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#if HAVE_TAYLOR_CONFIG
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printf (" -I,--config file: Set configuration file to use\n");
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#endif /* HAVE_TAYLOR_CONFIG */
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printf (" -v,--version: Print version and exit\n");
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printf (" --help: Print help and exit\n");
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}
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