| /* vi: set sw=4 ts=4: */ |
| /* |
| * 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. |
| * |
| * Modified to support all sorts of libcs by |
| * Erik Andersen <andersen@lineo.com> |
| */ |
| |
| #include "busybox.h" |
| #include <sys/types.h> |
| #include <fcntl.h> |
| |
| #include <errno.h> |
| #define BB_DECLARE_EXTERN |
| #define bb_need_io_error |
| #include "messages.c" |
| #include <utmp.h> |
| #include <stdlib.h> |
| #include <unistd.h> |
| |
| extern int dutmp_main(int argc, char **argv) |
| { |
| |
| int file; |
| struct utmp ut; |
| |
| if (argc<2) { |
| file = fileno(stdin); |
| } else if (*argv[1] == '-' ) { |
| usage(dutmp_usage); |
| } else { |
| file = open(argv[1], O_RDONLY); |
| if (file < 0) { |
| perror_msg_and_die(io_error, argv[1]); |
| } |
| } |
| |
| /* Kludge around the fact that the binary format for utmp has changed, and the |
| * fact the stupid libc doesn't have a reliable #define to announce that libc5 |
| * is being used. sigh. |
| */ |
| #if ! defined __GLIBC__ |
| while (read(file, (void*)&ut, sizeof(struct utmp))) { |
| printf("%d|%d|%s|%s|%s|%s|%s|%lx\n", |
| ut.ut_type, ut.ut_pid, ut.ut_line, |
| ut.ut_id, ut.ut_user, ut.ut_host, |
| ctime(&(ut.ut_time)), |
| (long)ut.ut_addr); |
| } |
| #else |
| while (read(file, (void*)&ut, sizeof(struct utmp))) { |
| 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); |
| } |
| #endif |
| return EXIT_SUCCESS; |
| } |