52 lines
1.1 KiB
C
52 lines
1.1 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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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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* Modified to support all sort of libcs by
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* Erik Andersen <andersen@lineo.com>
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*/
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#include "internal.h"
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#include <sys/types.h>
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#include <fcntl.h>
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#include <errno.h>
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#define BB_DECLARE_EXTERN
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#define bb_need_io_error
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#include "messages.c"
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#include <utmp.h>
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extern int dutmp_main(int argc, char **argv)
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{
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int file;
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struct utmp ut;
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if (argc<2) {
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file = fileno(stdin);
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} else if (*argv[1] == '-' ) {
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usage(dutmp_usage);
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} else {
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file = open(argv[1], O_RDONLY);
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if (file < 0) {
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fatalError(io_error, argv[1], strerror(errno));
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}
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}
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while (read(file, (void*)&ut, sizeof(struct utmp))) {
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printf("%d|%d|%s|%s|%s|%s|%s|%lx\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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ctime(&(ut.ut_time)),
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(long)ut.ut_addr);
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}
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return(TRUE);
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}
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