mirror of
https://github.com/sheumann/hush.git
synced 2024-07-04 21:29:34 +00:00
d921b2ecc0
things like xasprintf() into xfuncs.c, remove xprint_file_by_name() (it only had one user), clean up lots of #includes... General cleanup pass. What I've been doing for the last couple days. And it conflicts! I've removed httpd.c from this checkin due to somebody else touching that file. It builds for me. I have to catch a bus. (Now you know why I'm looking forward to Mercurial.)
92 lines
2.4 KiB
C
92 lines
2.4 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* last implementation for busybox
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*
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* Copyright (C) 2003-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
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*/
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#include "busybox.h"
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#include <utmp.h>
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#ifndef SHUTDOWN_TIME
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# define SHUTDOWN_TIME 254
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#endif
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/* Grr... utmp char[] members do not have to be nul-terminated.
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* Do what we can while still keeping this reasonably small.
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* Note: We are assuming the ut_id[] size is fixed at 4. */
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#if defined UT_LINESIZE \
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&& ((UT_LINESIZE != 32) || (UT_NAMESIZE != 32) || (UT_HOSTSIZE != 256))
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#error struct utmp member char[] size(s) have changed!
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#elif defined __UT_LINESIZE \
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&& ((__UT_LINESIZE != 32) || (__UT_NAMESIZE != 64) || (__UT_HOSTSIZE != 256))
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#error struct utmp member char[] size(s) have changed!
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#endif
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int last_main(int argc, char **argv)
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{
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struct utmp ut;
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int n, file = STDIN_FILENO;
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time_t t_tmp;
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if (argc > 1) {
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bb_show_usage();
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}
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file = xopen(bb_path_wtmp_file, O_RDONLY);
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printf("%-10s %-14s %-18s %-12.12s %s\n", "USER", "TTY", "HOST", "LOGIN", "TIME");
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while ((n = safe_read(file, (void*)&ut, sizeof(struct utmp))) != 0) {
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if (n != sizeof(struct utmp)) {
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bb_perror_msg_and_die("short read");
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}
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if (strncmp(ut.ut_line, "~", 1) == 0) {
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if (strncmp(ut.ut_user, "shutdown", 8) == 0)
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ut.ut_type = SHUTDOWN_TIME;
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else if (strncmp(ut.ut_user, "reboot", 6) == 0)
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ut.ut_type = BOOT_TIME;
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else if (strncmp(ut.ut_user, "runlevel", 7) == 0)
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ut.ut_type = RUN_LVL;
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} else {
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if (!ut.ut_name[0] || strcmp(ut.ut_name, "LOGIN") == 0 ||
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ut.ut_name[0] == 0)
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{
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/* Don't bother. This means we can't find how long
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* someone was logged in for. Oh well. */
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continue;
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}
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if (ut.ut_type != DEAD_PROCESS &&
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ut.ut_name[0] && ut.ut_line[0])
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{
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ut.ut_type = USER_PROCESS;
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}
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if (strcmp(ut.ut_name, "date") == 0) {
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if (ut.ut_line[0] == '|') ut.ut_type = OLD_TIME;
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if (ut.ut_line[0] == '{') ut.ut_type = NEW_TIME;
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}
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}
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if (ut.ut_type!=USER_PROCESS) {
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switch (ut.ut_type) {
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case OLD_TIME:
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case NEW_TIME:
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case RUN_LVL:
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case SHUTDOWN_TIME:
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continue;
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case BOOT_TIME:
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strcpy(ut.ut_line, "system boot");
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break;
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}
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}
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t_tmp = (time_t)ut.ut_tv.tv_sec;
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printf("%-10s %-14s %-18s %-12.12s\n", ut.ut_user, ut.ut_line, ut.ut_host,
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ctime(&t_tmp) + 4);
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}
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bb_fflush_stdout_and_exit(EXIT_SUCCESS);
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}
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