1 /* vi: set sw=4 ts=4: */
3 * public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
6 * Takes utmp formated file on stdin and dumps it's contents
7 * out in colon delimited fields. Easy to 'cut' for shell based
8 * versions of 'who', 'last', etc. IP Addr is output in hex,
9 * little endian on x86.
18 #define BB_DECLARE_EXTERN
19 #define bb_need_io_error
22 static const char dutmp_usage[] = "dutmp\n"
24 "\tDump file or stdin utmp file format to stdout, pipe delimited.\n"
25 "\tdutmp /var/run/utmp\n";
27 extern int dutmp_main(int argc, char **argv)
35 } else if (*argv[1] == '-' ) {
38 f = fopen(argv[1], "r");
40 fatalError(io_error, argv[1], strerror(errno));
44 while (fread(&ut, sizeof(struct utmp), 1, f)) {
45 printf("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n",
46 ut.ut_type, ut.ut_pid, ut.ut_line,
47 ut.ut_id, ut.ut_user, ut.ut_host,
48 ut.ut_exit.e_termination, ut.ut_exit.e_exit,
50 ut.ut_tv.tv_sec, ut.ut_tv.tv_usec, ut.ut_addr);