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/*
* public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com>
*
* dutmp
* Takes utmp formated file on stdin and dumps it's contents
* out in colon delimited fields. Easy to 'cut' for shell based
* versions of 'who', 'last', etc. IP Addr is output in hex,
* little endian on x86.
*
* made against libc6
*/
#include "internal.h"
#include <stdio.h>
#include <utmp.h>
const char dutmp_usage[] = "dutmp\n"
"\n"
"\tDump file or stdin utmp file format to stdout, pipe delimited.\n"
"\tdutmp /var/run/utmp\n";
extern int dutmp_fn (int argc, char **argv)
{
FILE *f = stdin;
struct utmp ut;
if ((argc < 2) || (**(argv + 1) == '-')) {
fprintf (stderr, "Usage: %s %s\n", *argv, dutmp_usage);
exit (FALSE);
}
if ( **(++argv) == 0 ) {
f = fopen (*(++argv), "r");
if (f < 0 ) {
perror (*argv);
exit (FALSE);
}
}
while (fread (&ut, 1, sizeof (struct utmp), f)) {
// printf("%d:%d:%s:%s:%s:%s:%d:%d:%ld:%ld:%ld:%x\n",
printf ("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n",
ut.ut_type, ut.ut_pid, ut.ut_line,
ut.ut_id, ut.ut_user, ut.ut_host,
ut.ut_exit.e_termination, ut.ut_exit.e_exit,
ut.ut_session,
ut.ut_tv.tv_sec, ut.ut_tv.tv_usec, ut.ut_addr);
}
exit (TRUE);
}
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