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crond: do not log info messages at LOG_ERR. Closes bug 681. +62 bytes.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
aa42d13e32
commit
78fcec4dc7
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@ -38,6 +38,7 @@ void FAST_FUNC bb_info_msg(const char *s, ...)
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va_start(p, s);
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used = vasprintf(&msg, s, p);
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va_end(p);
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if (used < 0)
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return;
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@ -51,6 +52,5 @@ void FAST_FUNC bb_info_msg(const char *s, ...)
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}
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free(msg);
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va_end(p);
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#endif
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}
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@ -122,15 +122,16 @@ static void EndJob(const char *user, CronLine *line);
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static void DeleteFile(const char *userName);
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/* 0 is the most verbose, default 8 */
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#define LVL5 "\x05"
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#define LVL7 "\x07"
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#define LVL8 "\x08"
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#define LVL9 "\x09"
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#define WARN9 "\x49"
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#define DIE9 "\xc9"
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/* level >= 20 is "error" */
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#define ERR20 "\x14"
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static void crondlog(const char *ctl, ...) __attribute__ ((format (printf, 1, 2)));
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static void crondlog(const char *ctl, ...)
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{
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va_list va;
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@ -146,8 +147,16 @@ static void crondlog(const char *ctl, ...)
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if (logfd >= 0)
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xmove_fd(logfd, STDERR_FILENO);
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}
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// TODO: ERR -> error, WARN -> warning, LVL -> info
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bb_verror_msg(ctl + 1, va, /* strerr: */ NULL);
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/* When we log to syslog, level > 8 is logged at LOG_ERR
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* syslog level, level <= 8 is logged at LOG_INFO. */
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if (level > 8) {
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bb_verror_msg(ctl + 1, va, /* strerr: */ NULL);
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} else {
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char *msg = NULL;
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vasprintf(&msg, ctl + 1, va);
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bb_info_msg("%s: %s", applet_name, msg);
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free(msg);
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}
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}
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va_end(va);
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if (ctl[0] & 0x80)
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@ -157,25 +166,25 @@ static void crondlog(const char *ctl, ...)
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int crond_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int crond_main(int argc UNUSED_PARAM, char **argv)
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{
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unsigned opt;
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unsigned opts;
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INIT_G();
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/* "-b after -f is ignored", and so on for every pair a-b */
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opt_complementary = "f-b:b-f:S-L:L-S" IF_FEATURE_CROND_D(":d-l")
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":l+:d+"; /* -l and -d have numeric param */
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opt = getopt32(argv, "l:L:fbSc:" IF_FEATURE_CROND_D("d:"),
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opts = getopt32(argv, "l:L:fbSc:" IF_FEATURE_CROND_D("d:"),
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&LogLevel, &LogFile, &CDir
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IF_FEATURE_CROND_D(,&LogLevel));
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/* both -d N and -l N set the same variable: LogLevel */
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if (!(opt & OPT_f)) {
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if (!(opts & OPT_f)) {
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/* close stdin, stdout, stderr.
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* close unused descriptors - don't need them. */
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bb_daemonize_or_rexec(DAEMON_CLOSE_EXTRA_FDS, argv);
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}
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if (!DebugOpt && LogFile == NULL) {
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if (!(opts & OPT_d) && LogFile == NULL) {
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/* logging to syslog */
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openlog(applet_name, LOG_CONS | LOG_PID, LOG_CRON);
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logmode = LOGMODE_SYSLOG;
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@ -184,20 +193,21 @@ int crond_main(int argc UNUSED_PARAM, char **argv)
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xchdir(CDir);
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//signal(SIGHUP, SIG_IGN); /* ? original crond dies on HUP... */
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xsetenv("SHELL", DEFAULT_SHELL); /* once, for all future children */
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crondlog(LVL9 "crond (busybox "BB_VER") started, log level %d", LogLevel);
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crondlog(LVL8 "crond (busybox "BB_VER") started, log level %d", LogLevel);
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SynchronizeDir();
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/* main loop - synchronize to 1 second after the minute, minimum sleep
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* of 1 second. */
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{
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time_t t1 = time(NULL);
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time_t t2;
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long dt;
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int rescan = 60;
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int sleep_time = 60;
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write_pidfile("/var/run/crond.pid");
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for (;;) {
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time_t t2;
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long dt;
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sleep((sleep_time + 1) - (time(NULL) % sleep_time));
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t2 = time(NULL);
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@ -227,7 +237,7 @@ int crond_main(int argc UNUSED_PARAM, char **argv)
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if (DebugOpt)
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crondlog(LVL5 "wakeup dt=%ld", dt);
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if (dt < -60 * 60 || dt > 60 * 60) {
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crondlog(WARN9 "time disparity of %d minutes detected", dt / 60);
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crondlog(WARN9 "time disparity of %ld minutes detected", dt / 60);
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} else if (dt > 0) {
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TestJobs(t1, t2);
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RunJobs();
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@ -239,8 +249,9 @@ int crond_main(int argc UNUSED_PARAM, char **argv)
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}
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}
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t1 = t2;
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}
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} /* for (;;) */
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}
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return 0; /* not reached */
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}
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@ -281,7 +292,7 @@ static void ChangeUser(struct passwd *pas)
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/* careful: we're after vfork! */
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change_identity(pas); /* - initgroups, setgid, setuid */
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if (chdir(pas->pw_dir) < 0) {
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crondlog(LVL9 "can't chdir(%s)", pas->pw_dir);
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crondlog(WARN9 "can't chdir(%s)", pas->pw_dir);
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if (chdir(TMPDIR) < 0) {
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crondlog(DIE9 "can't chdir(%s)", TMPDIR); /* exits */
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}
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@ -760,7 +771,7 @@ ForkJob(const char *user, CronLine *line, int mailFd,
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/* prepare things before vfork */
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pas = getpwnam(user);
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if (!pas) {
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crondlog(LVL9 "can't get uid for %s", user);
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crondlog(WARN9 "can't get uid for %s", user);
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goto err;
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}
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SetEnv(pas);
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@ -900,7 +911,7 @@ static void RunJob(const char *user, CronLine *line)
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/* prepare things before vfork */
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pas = getpwnam(user);
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if (!pas) {
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crondlog(LVL9 "can't get uid for %s", user);
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crondlog(WARN9 "can't get uid for %s", user);
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goto err;
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}
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SetEnv(pas);
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