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