Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 1 | /* vi: set sw=4 ts=4: */ |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 2 | /* |
| 3 | * public domain -- Dave 'Kill a Cop' Cinege <dcinege@psychosis.com> |
| 4 | * |
| 5 | * dutmp |
| 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. |
| 10 | * |
Eric Andersen | 75610e1 | 2000-09-22 00:22:10 +0000 | [diff] [blame] | 11 | * Modified to support all sorts of libcs by |
Erik Andersen | 499f65f | 2000-05-16 20:07:38 +0000 | [diff] [blame] | 12 | * Erik Andersen <andersen@lineo.com> |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 13 | */ |
Eric Andersen | 3cf52d1 | 1999-10-12 22:26:06 +0000 | [diff] [blame] | 14 | |
Eric Andersen | 3570a34 | 2000-09-25 21:45:58 +0000 | [diff] [blame] | 15 | #include "busybox.h" |
Erik Andersen | 499f65f | 2000-05-16 20:07:38 +0000 | [diff] [blame] | 16 | #include <sys/types.h> |
Erik Andersen | 499f65f | 2000-05-16 20:07:38 +0000 | [diff] [blame] | 17 | #include <fcntl.h> |
| 18 | |
Erik Andersen | 61677fe | 2000-04-13 01:18:56 +0000 | [diff] [blame] | 19 | #include <errno.h> |
Erik Andersen | 61677fe | 2000-04-13 01:18:56 +0000 | [diff] [blame] | 20 | #define BB_DECLARE_EXTERN |
| 21 | #define bb_need_io_error |
| 22 | #include "messages.c" |
Erik Andersen | 4f3f757 | 2000-04-28 00:18:56 +0000 | [diff] [blame] | 23 | #include <utmp.h> |
Erik Andersen | 4f3f757 | 2000-04-28 00:18:56 +0000 | [diff] [blame] | 24 | |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 25 | extern int dutmp_main(int argc, char **argv) |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 26 | { |
| 27 | |
Erik Andersen | 499f65f | 2000-05-16 20:07:38 +0000 | [diff] [blame] | 28 | int file; |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 29 | struct utmp ut; |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 30 | |
Erik Andersen | 61677fe | 2000-04-13 01:18:56 +0000 | [diff] [blame] | 31 | if (argc<2) { |
Erik Andersen | 499f65f | 2000-05-16 20:07:38 +0000 | [diff] [blame] | 32 | file = fileno(stdin); |
Erik Andersen | 61677fe | 2000-04-13 01:18:56 +0000 | [diff] [blame] | 33 | } else if (*argv[1] == '-' ) { |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 34 | usage(dutmp_usage); |
Erik Andersen | 61677fe | 2000-04-13 01:18:56 +0000 | [diff] [blame] | 35 | } else { |
Erik Andersen | 499f65f | 2000-05-16 20:07:38 +0000 | [diff] [blame] | 36 | file = open(argv[1], O_RDONLY); |
| 37 | if (file < 0) { |
Mark Whitley | f57c944 | 2000-12-07 19:56:48 +0000 | [diff] [blame] | 38 | error_msg_and_die(io_error, argv[1], strerror(errno)); |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 39 | } |
| 40 | } |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 41 | |
Eric Andersen | 75610e1 | 2000-09-22 00:22:10 +0000 | [diff] [blame] | 42 | /* Kludge around the fact that the binary format for utmp has changed, and the |
| 43 | * fact the stupid libc doesn't have a reliable #define to announce that libc5 |
| 44 | * is being used. sigh. |
| 45 | */ |
| 46 | #if ! defined __GLIBC__ |
Erik Andersen | 499f65f | 2000-05-16 20:07:38 +0000 | [diff] [blame] | 47 | while (read(file, (void*)&ut, sizeof(struct utmp))) { |
| 48 | printf("%d|%d|%s|%s|%s|%s|%s|%lx\n", |
| 49 | ut.ut_type, ut.ut_pid, ut.ut_line, |
| 50 | ut.ut_id, ut.ut_user, ut.ut_host, |
| 51 | ctime(&(ut.ut_time)), |
| 52 | (long)ut.ut_addr); |
Erik Andersen | e49d5ec | 2000-02-08 19:58:47 +0000 | [diff] [blame] | 53 | } |
Eric Andersen | 75610e1 | 2000-09-22 00:22:10 +0000 | [diff] [blame] | 54 | #else |
| 55 | while (read(file, (void*)&ut, sizeof(struct utmp))) { |
| 56 | printf("%d|%d|%s|%s|%s|%s|%d|%d|%ld|%ld|%ld|%x\n", |
| 57 | ut.ut_type, ut.ut_pid, ut.ut_line, |
| 58 | ut.ut_id, ut.ut_user, ut.ut_host, |
| 59 | ut.ut_exit.e_termination, ut.ut_exit.e_exit, |
| 60 | ut.ut_session, |
| 61 | ut.ut_tv.tv_sec, ut.ut_tv.tv_usec, |
| 62 | ut.ut_addr); |
| 63 | } |
| 64 | #endif |
Matt Kraai | 3e856ce | 2000-12-01 02:55:13 +0000 | [diff] [blame] | 65 | return EXIT_SUCCESS; |
Eric Andersen | cc8ed39 | 1999-10-05 16:24:54 +0000 | [diff] [blame] | 66 | } |