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crond: do not log info messages at LOG_ERR. Closes bug 681. +62 bytes.

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-12-13 17:42:49 +01:00
parent aa42d13e32
commit 78fcec4dc7
2 changed files with 27 additions and 16 deletions
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41
miscutils/crond.c
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@@ -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);