71 lines
1.9 KiB
Plaintext
71 lines
1.9 KiB
Plaintext
/*
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* utmpdump Simple program to dump UTMP and WTMP files in
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* raw format, so they can be examined.
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*
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* Version: @(#)utmpdump.c 13-Aug-1996 1.00 miquels@cistron.nl
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*
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* This file is part of the sysvinit suite,
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* Copyright (C) 1991-1996 Miquel van Smoorenburg.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <utmp.h>
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#include <time.h>
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void dump(fp)
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FILE *fp;
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{
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struct utmp ut;
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int f;
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time_t tm;
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while (fread(&ut, sizeof(struct utmp), 1, fp) == 1) {
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for(f = 0; f < 12; f++) if (ut.ut_line[f] == ' ') ut.ut_line[f] = '_';
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for(f = 0; f < 8; f++) if (ut.ut_name[f] == ' ') ut.ut_name[f] = '_';
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tm = ut.ut_time;
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printf("[%d] [%05d] [%-4.4s] [%-8.8s] [%-12.12s] [%-15.15s]\n",
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ut.ut_type, ut.ut_pid, ut.ut_id, ut.ut_user,
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ut.ut_line, 4 + ctime(&tm));
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}
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}
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int main(argc, argv)
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int argc;
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char **argv;
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{
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int f;
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FILE *fp;
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if (argc < 2) {
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argc = 2;
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argv[1] = UTMP_FILE;
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}
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for(f = 1; f < argc; f++) {
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if (strcmp(argv[f], "-") == 0) {
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printf("Utmp dump of stdin\n");
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dump(stdin);
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} else if ((fp = fopen(argv[f], "r")) != NULL) {
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printf("Utmp dump of %s\n", argv[f]);
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dump(fp);
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fclose(fp);
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} else
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perror(argv[f]);
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}
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return(0);
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}
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