busybox/miscutils/dutmp.c
1999-10-05 16:24:54 +00:00

48 lines
1.1 KiB
C

/*
* 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(const struct FileInfo * i)
{
FILE * f = stdin;
struct utmp * ut = (struct utmp *) malloc(sizeof(struct utmp) );
if ( i )
if (! (f = fopen(i->source, "r"))) {
name_and_error(i->source);
return 1;
}
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);
}
return 0;
}