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-rw-r--r--miscutils/last_fancy.c300
1 files changed, 0 insertions, 300 deletions
diff --git a/miscutils/last_fancy.c b/miscutils/last_fancy.c
deleted file mode 100644
index e56e0ba..0000000
--- a/miscutils/last_fancy.c
+++ /dev/null
@@ -1,300 +0,0 @@
-/* vi: set sw=4 ts=4: */
-/*
- * (sysvinit like) last implementation
- *
- * Copyright (C) 2008 by Patricia Muscalu <patricia.muscalu@axis.com>
- *
- * Licensed under GPLv2 or later, see file LICENSE in this source tree.
- */
-
-#include "libbb.h"
-
-/* NB: ut_name and ut_user are the same field, use only one name (ut_user)
- * to reduce confusion */
-
-#ifndef SHUTDOWN_TIME
-# define SHUTDOWN_TIME 254
-#endif
-
-#define HEADER_FORMAT "%-8.8s %-12.12s %-*.*s %-16.16s %-7.7s %s\n"
-#define HEADER_LINE "USER", "TTY", \
- INET_ADDRSTRLEN, INET_ADDRSTRLEN, "HOST", "LOGIN", " TIME", ""
-#define HEADER_LINE_WIDE "USER", "TTY", \
- INET6_ADDRSTRLEN, INET6_ADDRSTRLEN, "HOST", "LOGIN", " TIME", ""
-
-#if !defined __UT_LINESIZE && defined UT_LINESIZE
-# define __UT_LINESIZE UT_LINESIZE
-#endif
-
-enum {
- NORMAL,
- LOGGED,
- DOWN,
- REBOOT,
- CRASH,
- GONE
-};
-
-enum {
- LAST_OPT_W = (1 << 0), /* -W wide */
- LAST_OPT_f = (1 << 1), /* -f input file */
- LAST_OPT_H = (1 << 2), /* -H header */
-};
-
-#define show_wide (option_mask32 & LAST_OPT_W)
-
-static void show_entry(struct utmpx *ut, int state, time_t dur_secs)
-{
- unsigned days, hours, mins;
- char duration[sizeof("(%u+02:02)") + sizeof(int)*3];
- char login_time[17];
- char logout_time[8];
- const char *logout_str;
- const char *duration_str;
- time_t tmp;
-
- /* manpages say ut_tv.tv_sec *is* time_t,
- * but some systems have it wrong */
- tmp = ut->ut_tv.tv_sec;
- safe_strncpy(login_time, ctime(&tmp), 17);
- tmp = dur_secs;
- snprintf(logout_time, 8, "- %s", ctime(&tmp) + 11);
-
- dur_secs = MAX(dur_secs - (time_t)ut->ut_tv.tv_sec, (time_t)0);
- /* unsigned int is easier to divide than time_t (which may be signed long) */
- mins = dur_secs / 60;
- days = mins / (24*60);
- mins = mins % (24*60);
- hours = mins / 60;
- mins = mins % 60;
-
-// if (days) {
- sprintf(duration, "(%u+%02u:%02u)", days, hours, mins);
-// } else {
-// sprintf(duration, " (%02u:%02u)", hours, mins);
-// }
-
- logout_str = logout_time;
- duration_str = duration;
- switch (state) {
- case NORMAL:
- break;
- case LOGGED:
- logout_str = " still";
- duration_str = "logged in";
- break;
- case DOWN:
- logout_str = "- down ";
- break;
- case REBOOT:
- break;
- case CRASH:
- logout_str = "- crash";
- break;
- case GONE:
- logout_str = " gone";
- duration_str = "- no logout";
- break;
- }
-
- printf(HEADER_FORMAT,
- ut->ut_user,
- ut->ut_line,
- show_wide ? INET6_ADDRSTRLEN : INET_ADDRSTRLEN,
- show_wide ? INET6_ADDRSTRLEN : INET_ADDRSTRLEN,
- ut->ut_host,
- login_time,
- logout_str,
- duration_str);
-}
-
-static int get_ut_type(struct utmpx *ut)
-{
- if (ut->ut_line[0] == '~') {
- if (strcmp(ut->ut_user, "shutdown") == 0) {
- return SHUTDOWN_TIME;
- }
- if (strcmp(ut->ut_user, "reboot") == 0) {
- return BOOT_TIME;
- }
- if (strcmp(ut->ut_user, "runlevel") == 0) {
- return RUN_LVL;
- }
- return ut->ut_type;
- }
-
- if (ut->ut_user[0] == 0) {
- return DEAD_PROCESS;
- }
-
- if ((ut->ut_type != DEAD_PROCESS)
- && (strcmp(ut->ut_user, "LOGIN") != 0)
- && ut->ut_user[0]
- && ut->ut_line[0]
- ) {
- ut->ut_type = USER_PROCESS;
- }
-
- if (strcmp(ut->ut_user, "date") == 0) {
- if (ut->ut_line[0] == '|') {
- return OLD_TIME;
- }
- if (ut->ut_line[0] == '{') {
- return NEW_TIME;
- }
- }
- return ut->ut_type;
-}
-
-static int is_runlevel_shutdown(struct utmpx *ut)
-{
- if (((ut->ut_pid & 255) == '0') || ((ut->ut_pid & 255) == '6')) {
- return 1;
- }
-
- return 0;
-}
-
-int last_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
-int last_main(int argc UNUSED_PARAM, char **argv)
-{
- struct utmpx ut;
- const char *filename = _PATH_WTMP;
- llist_t *zlist;
- off_t pos;
- time_t start_time;
- time_t boot_time;
- time_t down_time;
- int file;
- smallint going_down;
- smallint boot_down;
-
- /*opt =*/ getopt32(argv, "Wf:" /* "H" */, &filename);
-#ifdef BUT_UTIL_LINUX_LAST_HAS_NO_SUCH_OPT
- if (opt & LAST_OPT_H) {
- /* Print header line */
- if (opt & LAST_OPT_W) {
- printf(HEADER_FORMAT, HEADER_LINE_WIDE);
- } else {
- printf(HEADER_FORMAT, HEADER_LINE);
- }
- }
-#endif
-
- file = xopen(filename, O_RDONLY);
- {
- /* in case the file is empty... */
- struct stat st;
- fstat(file, &st);
- start_time = st.st_ctime;
- }
-
- time(&down_time);
- going_down = 0;
- boot_down = NORMAL; /* 0 */
- zlist = NULL;
- boot_time = 0;
- /* get file size, rounding down to last full record */
- pos = xlseek(file, 0, SEEK_END) / sizeof(ut) * sizeof(ut);
- for (;;) {
- pos -= (off_t)sizeof(ut);
- if (pos < 0) {
- /* Beyond the beginning of the file boundary =>
- * the whole file has been read. */
- break;
- }
- xlseek(file, pos, SEEK_SET);
- xread(file, &ut, sizeof(ut));
- /* rewritten by each record, eventially will have
- * first record's ut_tv.tv_sec: */
- start_time = ut.ut_tv.tv_sec;
-
- switch (get_ut_type(&ut)) {
- case SHUTDOWN_TIME:
- down_time = ut.ut_tv.tv_sec;
- boot_down = DOWN;
- going_down = 1;
- break;
- case RUN_LVL:
- if (is_runlevel_shutdown(&ut)) {
- down_time = ut.ut_tv.tv_sec;
- going_down = 1;
- boot_down = DOWN;
- }
- break;
- case BOOT_TIME:
- strcpy(ut.ut_line, "system boot");
- show_entry(&ut, REBOOT, down_time);
- boot_down = CRASH;
- going_down = 1;
- break;
- case DEAD_PROCESS:
- if (!ut.ut_line[0]) {
- break;
- }
- /* add_entry */
- llist_add_to(&zlist, xmemdup(&ut, sizeof(ut)));
- break;
- case USER_PROCESS: {
- int show;
-
- if (!ut.ut_line[0]) {
- break;
- }
- /* find_entry */
- show = 1;
- {
- llist_t *el, *next;
- for (el = zlist; el; el = next) {
- struct utmpx *up = (struct utmpx *)el->data;
- next = el->link;
- if (strncmp(up->ut_line, ut.ut_line, __UT_LINESIZE) == 0) {
- if (show) {
- show_entry(&ut, NORMAL, up->ut_tv.tv_sec);
- show = 0;
- }
- llist_unlink(&zlist, el);
- free(el->data);
- free(el);
- }
- }
- }
-
- if (show) {
- int state = boot_down;
-
- if (boot_time == 0) {
- state = LOGGED;
- /* Check if the process is alive */
- if ((ut.ut_pid > 0)
- && (kill(ut.ut_pid, 0) != 0)
- && (errno == ESRCH)) {
- state = GONE;
- }
- }
- show_entry(&ut, state, boot_time);
- }
- /* add_entry */
- llist_add_to(&zlist, xmemdup(&ut, sizeof(ut)));
- break;
- }
- }
-
- if (going_down) {
- boot_time = ut.ut_tv.tv_sec;
- llist_free(zlist, free);
- zlist = NULL;
- going_down = 0;
- }
- }
-
- if (ENABLE_FEATURE_CLEAN_UP) {
- llist_free(zlist, free);
- }
-
- printf("\nwtmp begins %s", ctime(&start_time));
-
- if (ENABLE_FEATURE_CLEAN_UP)
- close(file);
- fflush_stdout_and_exit(EXIT_SUCCESS);
-}
generated by cgit v1.1 at 2024-12-27 10:50:18 +0000