diff options
Diffstat (limited to 'miscutils')
| -rw-r--r-- | miscutils/crond.c | 41 |
1 files changed, 26 insertions, 15 deletions
diff --git a/miscutils/crond.c b/miscutils/crond.c index 8e4f0bfd6..ad217f007 100644 --- a/miscutils/crond.c +++ b/miscutils/crond.c @@ -122,15 +122,16 @@ static void EndJob(const char *user, CronLine *line); static void DeleteFile(const char *userName); +/* 0 is the most verbose, default 8 */ #define LVL5 "\x05" #define LVL7 "\x07" #define LVL8 "\x08" -#define LVL9 "\x09" #define WARN9 "\x49" #define DIE9 "\xc9" /* level >= 20 is "error" */ #define ERR20 "\x14" +static void crondlog(const char *ctl, ...) __attribute__ ((format (printf, 1, 2))); static void crondlog(const char *ctl, ...) { va_list va; @@ -146,8 +147,16 @@ static void crondlog(const char *ctl, ...) if (logfd >= 0) xmove_fd(logfd, STDERR_FILENO); } -// TODO: ERR -> error, WARN -> warning, LVL -> info - bb_verror_msg(ctl + 1, va, /* strerr: */ NULL); + /* When we log to syslog, level > 8 is logged at LOG_ERR + * syslog level, level <= 8 is logged at LOG_INFO. */ + if (level > 8) { + bb_verror_msg(ctl + 1, va, /* strerr: */ NULL); + } else { + char *msg = NULL; + vasprintf(&msg, ctl + 1, va); + bb_info_msg("%s: %s", applet_name, msg); + free(msg); + } } va_end(va); if (ctl[0] & 0x80) @@ -157,25 +166,25 @@ static void crondlog(const char *ctl, ...) int crond_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int crond_main(int argc UNUSED_PARAM, char **argv) { - unsigned opt; + unsigned opts; INIT_G(); /* "-b after -f is ignored", and so on for every pair a-b */ opt_complementary = "f-b:b-f:S-L:L-S" IF_FEATURE_CROND_D(":d-l") ":l+:d+"; /* -l and -d have numeric param */ - opt = getopt32(argv, "l:L:fbSc:" IF_FEATURE_CROND_D("d:"), + opts = getopt32(argv, "l:L:fbSc:" IF_FEATURE_CROND_D("d:"), &LogLevel, &LogFile, &CDir IF_FEATURE_CROND_D(,&LogLevel)); /* both -d N and -l N set the same variable: LogLevel */ - if (!(opt & OPT_f)) { + if (!(opts & OPT_f)) { /* close stdin, stdout, stderr. * close unused descriptors - don't need them. */ bb_daemonize_or_rexec(DAEMON_CLOSE_EXTRA_FDS, argv); } - if (!DebugOpt && LogFile == NULL) { + if (!(opts & OPT_d) && LogFile == NULL) { /* logging to syslog */ openlog(applet_name, LOG_CONS | LOG_PID, LOG_CRON); logmode = LOGMODE_SYSLOG; @@ -184,20 +193,21 @@ int crond_main(int argc UNUSED_PARAM, char **argv) xchdir(CDir); //signal(SIGHUP, SIG_IGN); /* ? original crond dies on HUP... */ xsetenv("SHELL", DEFAULT_SHELL); /* once, for all future children */ - crondlog(LVL9 "crond (busybox "BB_VER") started, log level %d", LogLevel); + crondlog(LVL8 "crond (busybox "BB_VER") started, log level %d", LogLevel); SynchronizeDir(); /* main loop - synchronize to 1 second after the minute, minimum sleep * of 1 second. */ { time_t t1 = time(NULL); - time_t t2; - long dt; int rescan = 60; int sleep_time = 60; write_pidfile("/var/run/crond.pid"); for (;;) { + time_t t2; + long dt; + sleep((sleep_time + 1) - (time(NULL) % sleep_time)); t2 = time(NULL); @@ -227,7 +237,7 @@ int crond_main(int argc UNUSED_PARAM, char **argv) if (DebugOpt) crondlog(LVL5 "wakeup dt=%ld", dt); if (dt < -60 * 60 || dt > 60 * 60) { - crondlog(WARN9 "time disparity of %d minutes detected", dt / 60); + crondlog(WARN9 "time disparity of %ld minutes detected", dt / 60); } else if (dt > 0) { TestJobs(t1, t2); RunJobs(); @@ -239,8 +249,9 @@ int crond_main(int argc UNUSED_PARAM, char **argv) } } t1 = t2; - } + } /* for (;;) */ } + return 0; /* not reached */ } @@ -281,7 +292,7 @@ static void ChangeUser(struct passwd *pas) /* careful: we're after vfork! */ change_identity(pas); /* - initgroups, setgid, setuid */ if (chdir(pas->pw_dir) < 0) { - crondlog(LVL9 "can't chdir(%s)", pas->pw_dir); + crondlog(WARN9 "can't chdir(%s)", pas->pw_dir); if (chdir(TMPDIR) < 0) { crondlog(DIE9 "can't chdir(%s)", TMPDIR); /* exits */ } @@ -760,7 +771,7 @@ ForkJob(const char *user, CronLine *line, int mailFd, /* prepare things before vfork */ pas = getpwnam(user); if (!pas) { - crondlog(LVL9 "can't get uid for %s", user); + crondlog(WARN9 "can't get uid for %s", user); goto err; } SetEnv(pas); @@ -900,7 +911,7 @@ static void RunJob(const char *user, CronLine *line) /* prepare things before vfork */ pas = getpwnam(user); if (!pas) { - crondlog(LVL9 "can't get uid for %s", user); + crondlog(WARN9 "can't get uid for %s", user); goto err; } SetEnv(pas); |