+/* vi: set sw=4 ts=4: */
/*
* crond -d[#] -c <crondir> -f -b
*
* run as root, but NOT setuid root
*
* Copyright 1994 Matthew Dillon (dillon@apollo.west.oic.com)
- * May be distributed under the GNU General Public License
+ * Vladimir Oleynik <dzo@simtreas.ru> (C) 2002
*
- * Vladimir Oleynik <dzo@simtreas.ru> (C) 2002 to be used in busybox
+ * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
*/
#define VERSION "2.3.2"
-#undef FEATURE_DEBUG_OPT
-
-
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#define CRONUPDATE "cron.update"
#endif
#ifndef MAXLINES
-#define MAXLINES 256 /* max lines in non-root crontabs */
+#define MAXLINES 256 /* max lines in non-root crontabs */
#endif
typedef struct CronFile {
- struct CronFile *cf_Next;
- struct CronLine *cf_LineBase;
- char *cf_User; /* username */
- int cf_Ready; /* bool: one or more jobs ready */
- int cf_Running; /* bool: one or more jobs running */
- int cf_Deleted; /* marked for deletion, ignore */
+ struct CronFile *cf_Next;
+ struct CronLine *cf_LineBase;
+ char *cf_User; /* username */
+ int cf_Ready; /* bool: one or more jobs ready */
+ int cf_Running; /* bool: one or more jobs running */
+ int cf_Deleted; /* marked for deletion, ignore */
} CronFile;
typedef struct CronLine {
- struct CronLine *cl_Next;
- char *cl_Shell; /* shell command */
- pid_t cl_Pid; /* running pid, 0, or armed (-1) */
- int cl_MailFlag; /* running pid is for mail */
- int cl_MailPos; /* 'empty file' size */
- char cl_Mins[60]; /* 0-59 */
- char cl_Hrs[24]; /* 0-23 */
- char cl_Days[32]; /* 1-31 */
- char cl_Mons[12]; /* 0-11 */
- char cl_Dow[7]; /* 0-6, beginning sunday */
+ struct CronLine *cl_Next;
+ char *cl_Shell; /* shell command */
+ pid_t cl_Pid; /* running pid, 0, or armed (-1) */
+ int cl_MailFlag; /* running pid is for mail */
+ int cl_MailPos; /* 'empty file' size */
+ char cl_Mins[60]; /* 0-59 */
+ char cl_Hrs[24]; /* 0-23 */
+ char cl_Days[32]; /* 1-31 */
+ char cl_Mons[12]; /* 0-11 */
+ char cl_Dow[7]; /* 0-6, beginning sunday */
} CronLine;
#define RUN_RANOUT 1
#define DaemonUid 0
-#ifdef FEATURE_DEBUG_OPT
+#if ENABLE_DEBUG_CROND_OPTION
static short DebugOpt;
#endif
static short LogLevel = 8;
-static const char *LogFile;
-static const char *CDir = CRONTABS;
+static const char *LogFile;
+static const char *CDir = CRONTABS;
static void startlogger(void);
static void RunJobs(void);
static int CheckJobs(void);
-static void RunJob(const char *user, CronLine *line);
-#ifdef CONFIG_FEATURE_CROND_CALL_SENDMAIL
-static void EndJob(const char *user, CronLine *line);
+static void RunJob(const char *user, CronLine * line);
+
+#if ENABLE_FEATURE_CROND_CALL_SENDMAIL
+static void EndJob(const char *user, CronLine * line);
#else
#define EndJob(user, line) line->cl_Pid = 0
#endif
static CronFile *FileBase;
-static void
-crondlog(const char *ctl, ...)
+static void crondlog(const char *ctl, ...)
{
- va_list va;
- const char *fmt;
- int level = (int)(ctl[0] & 0xf);
- int type = level == 20 ?
- LOG_ERR : ((ctl[0] & 0100) ? LOG_WARNING : LOG_NOTICE);
+ va_list va;
+ const char *fmt;
+ int level = (int) (ctl[0] & 0xf);
+ int type = level == 20 ?
+ LOG_ERR : ((ctl[0] & 0100) ? LOG_WARNING : LOG_NOTICE);
- va_start(va, ctl);
- fmt = ctl+1;
- if (level >= LogLevel) {
+ va_start(va, ctl);
+ fmt = ctl + 1;
+ if (level >= LogLevel) {
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt) vfprintf(stderr, fmt, va);
- else
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt) {
+ vfprintf(stderr, fmt, va);
+ } else
#endif
- if (LogFile == 0) vsyslog(type, fmt, va);
- else {
- int logfd;
-
- if ((logfd = open(LogFile, O_WRONLY|O_CREAT|O_APPEND, 600)) >= 0) {
- vdprintf(logfd, fmt, va);
- close(logfd);
-#ifdef FEATURE_DEBUG_OPT
- } else {
- bb_perror_msg("Can't open log file");
+ if (LogFile == 0) {
+ vsyslog(type, fmt, va);
+ } else {
+ int logfd = open(LogFile, O_WRONLY | O_CREAT | O_APPEND, 0600);
+ if (logfd >= 0) {
+ vdprintf(logfd, fmt, va);
+ close(logfd);
+#if ENABLE_DEBUG_CROND_OPTION
+ } else {
+ bb_perror_msg("Can't open log file");
#endif
+ }
}
- }
- }
- va_end(va);
- if(ctl[0] & 0200)
- exit(20);
+ }
+ va_end(va);
+ if (ctl[0] & 0200) {
+ exit(20);
+ }
}
-int
-crond_main(int ac, char **av)
+int crond_main(int ac, char **av)
{
- unsigned long opt;
- char *lopt, *Lopt, *copt;
-#ifdef FEATURE_DEBUG_OPT
- char *dopt;
- bb_opt_complementaly = "f-b:b-f:S-L:L-S:d-l";
+ unsigned long opt;
+ char *lopt, *Lopt, *copt;
+
+#if ENABLE_DEBUG_CROND_OPTION
+ char *dopt;
+
+ bb_opt_complementally = "f-b:b-f:S-L:L-S:d-l";
#else
- bb_opt_complementaly = "f-b:b-f:S-L:L-S";
+ bb_opt_complementally = "f-b:b-f:S-L:L-S";
#endif
- opterr = 0; /* disable getopt 'errors' message.*/
- opt = bb_getopt_ulflags(ac, av, "l:L:fbSc:"
-#ifdef FEATURE_DEBUG_OPT
- "d:"
+ opterr = 0; /* disable getopt 'errors' message. */
+ opt = bb_getopt_ulflags(ac, av, "l:L:fbSc:"
+#if ENABLE_DEBUG_CROND_OPTION
+ "d:"
#endif
- , &lopt, &Lopt, &copt
-#ifdef FEATURE_DEBUG_OPT
- , &dopt
+ , &lopt, &Lopt, &copt
+#if ENABLE_DEBUG_CROND_OPTION
+ , &dopt
#endif
- );
- if(opt & 1)
- LogLevel = atoi(lopt);
- if(opt & 2)
- if (*Lopt != 0) LogFile = Lopt;
- if(opt & 32) {
- if (*copt != 0) CDir = copt;
+ );
+ if (opt & 1) {
+ LogLevel = atoi(lopt);
+ }
+ if (opt & 2) {
+ if (*Lopt != 0) {
+ LogFile = Lopt;
+ }
+ }
+ if (opt & 32) {
+ if (*copt != 0) {
+ CDir = copt;
+ }
+ }
+#if ENABLE_DEBUG_CROND_OPTION
+ if (opt & 64) {
+ DebugOpt = atoi(dopt);
+ LogLevel = 0;
}
-#ifdef FEATURE_DEBUG_OPT
- if(opt & 64) {
- DebugOpt = atoi(dopt);
- LogLevel = 0;
- }
#endif
- /*
- * change directory
- */
-
- if (chdir(CDir) != 0)
- bb_perror_msg_and_die("%s", CDir);
-
- signal(SIGHUP,SIG_IGN); /* hmm.. but, if kill -HUP original
- * version - his died. ;(
- */
- /*
- * close stdin and stdout, stderr.
- * close unused descriptors - don't need.
- * optional detach from controlling terminal
- */
-
- if (!(opt & 4)) {
-#if defined(__uClinux__)
- /* reexec for vfork() do continue parent */
- vfork_daemon_rexec(1, 0, ac, av, "-f");
-#else /* uClinux */
- if(daemon(1, 0) < 0) {
- bb_perror_msg_and_die("daemon");
-#endif /* uClinux */
- }
-
- (void)startlogger(); /* need if syslog mode selected */
-
- /*
- * main loop - synchronize to 1 second after the minute, minimum sleep
- * of 1 second.
- */
-
- crondlog("\011%s " VERSION " dillon, started, log level %d\n", bb_applet_name,
- LogLevel);
-
- SynchronizeDir();
-
- {
- time_t t1 = time(NULL);
- time_t t2;
- long dt;
- short rescan = 60;
- short sleep_time = 60;
+ /*
+ * change directory
+ */
- for (;;) {
- sleep((sleep_time + 1) - (short)(time(NULL) % sleep_time));
-
- t2 = time(NULL);
- dt = t2 - t1;
-
- /*
- * The file 'cron.update' is checked to determine new cron
- * jobs. The directory is rescanned once an hour to deal
- * with any screwups.
- *
- * check for disparity. Disparities over an hour either way
- * result in resynchronization. A reverse-indexed disparity
- * less then an hour causes us to effectively sleep until we
- * match the original time (i.e. no re-execution of jobs that
- * have just been run). A forward-indexed disparity less then
- * an hour causes intermediate jobs to be run, but only once
- * in the worst case.
- *
- * when running jobs, the inequality used is greater but not
- * equal to t1, and less then or equal to t2.
- */
-
- if (--rescan == 0) {
- rescan = 60;
- SynchronizeDir();
- }
- CheckUpdates();
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt)
- crondlog("\005Wakeup dt=%d\n", dt);
+ bb_xchdir(CDir);
+ signal(SIGHUP, SIG_IGN); /* hmm.. but, if kill -HUP original
+ * version - his died. ;(
+ */
+ /*
+ * close stdin and stdout, stderr.
+ * close unused descriptors - don't need.
+ * optional detach from controlling terminal
+ */
+
+ if (!(opt & 4)) {
+#ifdef BB_NOMMU
+ /* reexec for vfork() do continue parent */
+ vfork_daemon_rexec(1, 0, ac, av, "-f");
+#else
+ bb_xdaemon(1, 0);
#endif
- if (dt < -60*60 || dt > 60*60) {
- t1 = t2;
- crondlog("\111time disparity of %d minutes detected\n", dt / 60);
- } else if (dt > 0) {
- TestJobs(t1, t2);
- RunJobs();
- sleep(5);
- if (CheckJobs() > 0)
- sleep_time = 10;
- else
- sleep_time = 60;
- t1 = t2;
- }
}
- }
- /* not reached */
-}
-}
-#if defined(FEATURE_DEBUG_OPT) || defined(CONFIG_FEATURE_CROND_CALL_SENDMAIL)
-/*
- write to temp file..
-*/
-static void
-fdprintf(int fd, const char *ctl, ...)
-{
- va_list va;
+ (void) startlogger(); /* need if syslog mode selected */
- va_start(va, ctl);
- vdprintf(fd, ctl, va);
- va_end(va);
-}
-#endif
+ /*
+ * main loop - synchronize to 1 second after the minute, minimum sleep
+ * of 1 second.
+ */
+ crondlog("\011%s " VERSION " dillon, started, log level %d\n",
+ bb_applet_name, LogLevel);
+
+ SynchronizeDir();
+
+ {
+ time_t t1 = time(NULL);
+ time_t t2;
+ long dt;
+ int rescan = 60;
+ short sleep_time = 60;
+
+ for (;;) {
+ sleep((sleep_time + 1) - (short) (time(NULL) % sleep_time));
+
+ t2 = time(NULL);
+ dt = t2 - t1;
+
+ /*
+ * The file 'cron.update' is checked to determine new cron
+ * jobs. The directory is rescanned once an hour to deal
+ * with any screwups.
+ *
+ * check for disparity. Disparities over an hour either way
+ * result in resynchronization. A reverse-indexed disparity
+ * less then an hour causes us to effectively sleep until we
+ * match the original time (i.e. no re-execution of jobs that
+ * have just been run). A forward-indexed disparity less then
+ * an hour causes intermediate jobs to be run, but only once
+ * in the worst case.
+ *
+ * when running jobs, the inequality used is greater but not
+ * equal to t1, and less then or equal to t2.
+ */
+
+ if (--rescan == 0) {
+ rescan = 60;
+ SynchronizeDir();
+ }
+ CheckUpdates();
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt)
+ crondlog("\005Wakeup dt=%d\n", dt);
+#endif
+ if (dt < -60 * 60 || dt > 60 * 60) {
+ t1 = t2;
+ crondlog("\111time disparity of %d minutes detected\n", dt / 60);
+ } else if (dt > 0) {
+ TestJobs(t1, t2);
+ RunJobs();
+ sleep(5);
+ if (CheckJobs() > 0) {
+ sleep_time = 10;
+ } else {
+ sleep_time = 60;
+ }
+ t1 = t2;
+ }
+ }
+ }
+ bb_fflush_stdout_and_exit(EXIT_SUCCESS); /* not reached */
+}
-static int
-ChangeUser(const char *user)
+static int ChangeUser(const char *user)
{
- struct passwd *pas;
- const char *err_msg;
-
- /*
- * Obtain password entry and change privilages
- */
-
- if ((pas = getpwnam(user)) == 0) {
- crondlog("\011failed to get uid for %s", user);
- return(-1);
- }
- setenv("USER", pas->pw_name, 1);
- setenv("HOME", pas->pw_dir, 1);
- setenv("SHELL", DEFAULT_SHELL, 1);
-
- /*
- * Change running state to the user in question
- */
- err_msg = change_identity_e2str(pas);
- if (err_msg) {
- crondlog("\011%s for user %s", err_msg, user);
- return(-1);
- }
+ struct passwd *pas;
+ const char *err_msg;
+
+ /*
+ * Obtain password entry and change privileges
+ */
+ pas = getpwnam(user);
+ if (pas == 0) {
+ crondlog("\011failed to get uid for %s", user);
+ return (-1);
+ }
+ setenv("USER", pas->pw_name, 1);
+ setenv("HOME", pas->pw_dir, 1);
+ setenv("SHELL", DEFAULT_SHELL, 1);
+
+ /*
+ * Change running state to the user in question
+ */
+ err_msg = change_identity_e2str(pas);
+ if (err_msg) {
+ crondlog("\011%s for user %s", err_msg, user);
+ return (-1);
+ }
if (chdir(pas->pw_dir) < 0) {
- crondlog("\011chdir failed: %s: %m", pas->pw_dir);
- if (chdir(TMPDIR) < 0) {
- crondlog("\011chdir failed: %s: %m", TMPDIR);
- return(-1);
- }
+ crondlog("\011chdir failed: %s: %m", pas->pw_dir);
+ if (chdir(TMPDIR) < 0) {
+ crondlog("\011chdir failed: %s: %m", TMPDIR);
+ return (-1);
+ }
}
- return(pas->pw_uid);
+ return (pas->pw_uid);
}
-static void
-startlogger(void)
+static void startlogger(void)
{
- if (LogFile == 0)
- openlog(bb_applet_name, LOG_CONS|LOG_PID, LOG_CRON);
-#ifdef FEATURE_DEBUG_OPT
- else { /* test logfile */
- int logfd;
-
- if ((logfd = open(LogFile, O_WRONLY|O_CREAT|O_APPEND, 600)) >= 0)
- close(logfd);
- else
- bb_perror_msg("Failed to open log file '%s' reason", LogFile);
- }
+ if (LogFile == 0) {
+ openlog(bb_applet_name, LOG_CONS | LOG_PID, LOG_CRON);
+ }
+#if ENABLE_DEBUG_CROND_OPTION
+ else { /* test logfile */
+ int logfd;
+
+ if ((logfd = open(LogFile, O_WRONLY | O_CREAT | O_APPEND, 0600)) >= 0) {
+ close(logfd);
+ } else {
+ bb_perror_msg("Failed to open log file '%s' reason", LogFile);
+ }
+ }
#endif
}
-static const char * const DowAry[] = {
- "sun",
- "mon",
- "tue",
- "wed",
- "thu",
- "fri",
- "sat",
-
- "Sun",
- "Mon",
- "Tue",
- "Wed",
- "Thu",
- "Fri",
- "Sat",
- NULL
+static const char *const DowAry[] = {
+ "sun",
+ "mon",
+ "tue",
+ "wed",
+ "thu",
+ "fri",
+ "sat",
+
+ "Sun",
+ "Mon",
+ "Tue",
+ "Wed",
+ "Thu",
+ "Fri",
+ "Sat",
+ NULL
};
-static const char * const MonAry[] = {
- "jan",
- "feb",
- "mar",
- "apr",
- "may",
- "jun",
- "jul",
- "aug",
- "sep",
- "oct",
- "nov",
- "dec",
-
- "Jan",
- "Feb",
- "Mar",
- "Apr",
- "May",
- "Jun",
- "Jul",
- "Aug",
- "Sep",
- "Oct",
- "Nov",
- "Dec",
- NULL
+static const char *const MonAry[] = {
+ "jan",
+ "feb",
+ "mar",
+ "apr",
+ "may",
+ "jun",
+ "jul",
+ "aug",
+ "sep",
+ "oct",
+ "nov",
+ "dec",
+
+ "Jan",
+ "Feb",
+ "Mar",
+ "Apr",
+ "May",
+ "Jun",
+ "Jul",
+ "Aug",
+ "Sep",
+ "Oct",
+ "Nov",
+ "Dec",
+ NULL
};
-static char *
-ParseField(char *user, char *ary, int modvalue, int off,
- const char * const *names, char *ptr)
+static char *ParseField(char *user, char *ary, int modvalue, int off,
+ const char *const *names, char *ptr)
{
- char *base = ptr;
- int n1 = -1;
- int n2 = -1;
-
- if (base == NULL)
- return(NULL);
-
- while (*ptr != ' ' && *ptr != '\t' && *ptr != '\n') {
- int skip = 0;
-
- /*
- * Handle numeric digit or symbol or '*'
- */
+ char *base = ptr;
+ int n1 = -1;
+ int n2 = -1;
- if (*ptr == '*') {
- n1 = 0; /* everything will be filled */
- n2 = modvalue - 1;
- skip = 1;
- ++ptr;
- } else if (*ptr >= '0' && *ptr <= '9') {
- if (n1 < 0)
- n1 = strtol(ptr, &ptr, 10) + off;
- else
- n2 = strtol(ptr, &ptr, 10) + off;
- skip = 1;
- } else if (names) {
- int i;
-
- for (i = 0; names[i]; ++i) {
- if (strncmp(ptr, names[i], strlen(names[i])) == 0) {
- break;
- }
- }
- if (names[i]) {
- ptr += strlen(names[i]);
- if (n1 < 0)
- n1 = i;
- else
- n2 = i;
- skip = 1;
- }
+ if (base == NULL) {
+ return (NULL);
}
- /*
- * handle optional range '-'
- */
-
- if (skip == 0) {
- crondlog("\111failed user %s parsing %s\n", user, base);
- return(NULL);
- }
- if (*ptr == '-' && n2 < 0) {
- ++ptr;
- continue;
- }
-
- /*
- * collapse single-value ranges, handle skipmark, and fill
- * in the character array appropriately.
- */
+ while (*ptr != ' ' && *ptr != '\t' && *ptr != '\n') {
+ int skip = 0;
+
+ /* Handle numeric digit or symbol or '*' */
+
+ if (*ptr == '*') {
+ n1 = 0; /* everything will be filled */
+ n2 = modvalue - 1;
+ skip = 1;
+ ++ptr;
+ } else if (*ptr >= '0' && *ptr <= '9') {
+ if (n1 < 0) {
+ n1 = strtol(ptr, &ptr, 10) + off;
+ } else {
+ n2 = strtol(ptr, &ptr, 10) + off;
+ }
+ skip = 1;
+ } else if (names) {
+ int i;
+
+ for (i = 0; names[i]; ++i) {
+ if (strncmp(ptr, names[i], strlen(names[i])) == 0) {
+ break;
+ }
+ }
+ if (names[i]) {
+ ptr += strlen(names[i]);
+ if (n1 < 0) {
+ n1 = i;
+ } else {
+ n2 = i;
+ }
+ skip = 1;
+ }
+ }
- if (n2 < 0)
- n2 = n1;
+ /* handle optional range '-' */
- if (*ptr == '/')
- skip = strtol(ptr + 1, &ptr, 10);
+ if (skip == 0) {
+ crondlog("\111failed user %s parsing %s\n", user, base);
+ return (NULL);
+ }
+ if (*ptr == '-' && n2 < 0) {
+ ++ptr;
+ continue;
+ }
- /*
- * fill array, using a failsafe is the easiest way to prevent
- * an endless loop
- */
+ /*
+ * collapse single-value ranges, handle skipmark, and fill
+ * in the character array appropriately.
+ */
- {
- int s0 = 1;
- int failsafe = 1024;
-
- --n1;
- do {
- n1 = (n1 + 1) % modvalue;
+ if (n2 < 0) {
+ n2 = n1;
+ }
+ if (*ptr == '/') {
+ skip = strtol(ptr + 1, &ptr, 10);
+ }
+ /*
+ * fill array, using a failsafe is the easiest way to prevent
+ * an endless loop
+ */
+
+ {
+ int s0 = 1;
+ int failsafe = 1024;
+
+ --n1;
+ do {
+ n1 = (n1 + 1) % modvalue;
+
+ if (--s0 == 0) {
+ ary[n1 % modvalue] = 1;
+ s0 = skip;
+ }
+ }
+ while (n1 != n2 && --failsafe);
- if (--s0 == 0) {
- ary[n1 % modvalue] = 1;
- s0 = skip;
+ if (failsafe == 0) {
+ crondlog("\111failed user %s parsing %s\n", user, base);
+ return (NULL);
+ }
+ }
+ if (*ptr != ',') {
+ break;
}
- } while (n1 != n2 && --failsafe);
+ ++ptr;
+ n1 = -1;
+ n2 = -1;
+ }
- if (failsafe == 0) {
+ if (*ptr != ' ' && *ptr != '\t' && *ptr != '\n') {
crondlog("\111failed user %s parsing %s\n", user, base);
- return(NULL);
- }
+ return (NULL);
}
- if (*ptr != ',')
- break;
- ++ptr;
- n1 = -1;
- n2 = -1;
- }
-
- if (*ptr != ' ' && *ptr != '\t' && *ptr != '\n') {
- crondlog("\111failed user %s parsing %s\n", user, base);
- return(NULL);
- }
-
- while (*ptr == ' ' || *ptr == '\t' || *ptr == '\n')
- ++ptr;
-
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt) {
- int i;
- for (i = 0; i < modvalue; ++i)
- crondlog("\005%d", ary[i]);
- crondlog("\005\n");
- }
+ while (*ptr == ' ' || *ptr == '\t' || *ptr == '\n') {
+ ++ptr;
+ }
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt) {
+ int i;
+
+ for (i = 0; i < modvalue; ++i) {
+ crondlog("\005%d", ary[i]);
+ }
+ crondlog("\005\n");
+ }
#endif
- return(ptr);
+ return (ptr);
}
-static void
-FixDayDow(CronLine *line)
+static void FixDayDow(CronLine * line)
{
- short i;
- short weekUsed = 0;
- short daysUsed = 0;
-
- for (i = 0; i < arysize(line->cl_Dow); ++i) {
- if (line->cl_Dow[i] == 0) {
- weekUsed = 1;
- break;
+ int i;
+ int weekUsed = 0;
+ int daysUsed = 0;
+
+ for (i = 0; i < (int)(arysize(line->cl_Dow)); ++i) {
+ if (line->cl_Dow[i] == 0) {
+ weekUsed = 1;
+ break;
+ }
}
- }
- for (i = 0; i < arysize(line->cl_Days); ++i) {
- if (line->cl_Days[i] == 0) {
- daysUsed = 1;
- break;
+ for (i = 0; i < (int)(arysize(line->cl_Days)); ++i) {
+ if (line->cl_Days[i] == 0) {
+ daysUsed = 1;
+ break;
+ }
+ }
+ if (weekUsed && !daysUsed) {
+ memset(line->cl_Days, 0, sizeof(line->cl_Days));
+ }
+ if (daysUsed && !weekUsed) {
+ memset(line->cl_Dow, 0, sizeof(line->cl_Dow));
}
- }
- if (weekUsed && !daysUsed) {
- memset(line->cl_Days, 0, sizeof(line->cl_Days));
- }
- if (daysUsed && !weekUsed) {
- memset(line->cl_Dow, 0, sizeof(line->cl_Dow));
- }
}
-static void
-SynchronizeFile(const char *fileName)
+static void SynchronizeFile(const char *fileName)
{
- int maxEntries = MAXLINES;
- int maxLines;
- char buf[1024];
-
- if (strcmp(fileName, "root") == 0)
- maxEntries = 65535;
- maxLines = maxEntries * 10;
-
- if (fileName) {
- FILE *fi;
+ int maxEntries = MAXLINES;
+ int maxLines;
+ char buf[1024];
- DeleteFile(fileName);
-
- if ((fi = fopen(fileName, "r")) != NULL) {
- struct stat sbuf;
+ if (strcmp(fileName, "root") == 0) {
+ maxEntries = 65535;
+ }
+ maxLines = maxEntries * 10;
- if (fstat(fileno(fi), &sbuf) == 0 && sbuf.st_uid == DaemonUid) {
- CronFile *file = calloc(1, sizeof(CronFile));
- CronLine **pline;
+ if (fileName) {
+ FILE *fi;
- file->cf_User = strdup(fileName);
- pline = &file->cf_LineBase;
+ DeleteFile(fileName);
- while (fgets(buf, sizeof(buf), fi) != NULL && --maxLines) {
- CronLine line;
- char *ptr;
+ fi = fopen(fileName, "r");
+ if (fi != NULL) {
+ struct stat sbuf;
- if (buf[0])
- buf[strlen(buf)-1] = 0;
+ if (fstat(fileno(fi), &sbuf) == 0 && sbuf.st_uid == DaemonUid) {
+ CronFile *file = calloc(1, sizeof(CronFile));
+ CronLine **pline;
- if (buf[0] == 0 || buf[0] == '#' || buf[0] == ' ' || buf[0] == '\t')
- continue;
+ file->cf_User = strdup(fileName);
+ pline = &file->cf_LineBase;
- if (--maxEntries == 0)
- break;
+ while (fgets(buf, sizeof(buf), fi) != NULL && --maxLines) {
+ CronLine line;
+ char *ptr;
- memset(&line, 0, sizeof(line));
+ trim(buf);
+ if (buf[0] == 0 || buf[0] == '#') {
+ continue;
+ }
+ if (--maxEntries == 0) {
+ break;
+ }
+ memset(&line, 0, sizeof(line));
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt)
- crondlog("\111User %s Entry %s\n", fileName, buf);
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt) {
+ crondlog("\111User %s Entry %s\n", fileName, buf);
+ }
#endif
- /*
- * parse date ranges
- */
-
- ptr = ParseField(file->cf_User, line.cl_Mins, 60, 0, NULL, buf);
- ptr = ParseField(file->cf_User, line.cl_Hrs, 24, 0, NULL, ptr);
- ptr = ParseField(file->cf_User, line.cl_Days, 32, 0, NULL, ptr);
- ptr = ParseField(file->cf_User, line.cl_Mons, 12, -1, MonAry, ptr);
- ptr = ParseField(file->cf_User, line.cl_Dow, 7, 0, DowAry, ptr);
-
- /*
- * check failure
- */
-
- if (ptr == NULL)
- continue;
+ /* parse date ranges */
+ ptr = ParseField(file->cf_User, line.cl_Mins, 60, 0, NULL, buf);
+ ptr = ParseField(file->cf_User, line.cl_Hrs, 24, 0, NULL, ptr);
+ ptr = ParseField(file->cf_User, line.cl_Days, 32, 0, NULL, ptr);
+ ptr = ParseField(file->cf_User, line.cl_Mons, 12, -1, MonAry, ptr);
+ ptr = ParseField(file->cf_User, line.cl_Dow, 7, 0, DowAry, ptr);
- /*
- * fix days and dow - if one is not * and the other
- * is *, the other is set to 0, and vise-versa
- */
+ /* check failure */
+ if (ptr == NULL) {
+ continue;
+ }
- FixDayDow(&line);
+ /*
+ * fix days and dow - if one is not * and the other
+ * is *, the other is set to 0, and vise-versa
+ */
- *pline = calloc(1, sizeof(CronLine));
- **pline = line;
+ FixDayDow(&line);
- /*
- * copy command
- */
+ *pline = calloc(1, sizeof(CronLine));
+ **pline = line;
- (*pline)->cl_Shell = strdup(ptr);
+ /* copy command */
+ (*pline)->cl_Shell = strdup(ptr);
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt) {
- crondlog("\111 Command %s\n", ptr);
- }
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt) {
+ crondlog("\111 Command %s\n", ptr);
+ }
#endif
- pline = &((*pline)->cl_Next);
- }
- *pline = NULL;
+ pline = &((*pline)->cl_Next);
+ }
+ *pline = NULL;
- file->cf_Next = FileBase;
- FileBase = file;
+ file->cf_Next = FileBase;
+ FileBase = file;
- if (maxLines == 0 || maxEntries == 0)
- crondlog("\111Maximum number of lines reached for user %s\n", fileName);
- }
- fclose(fi);
+ if (maxLines == 0 || maxEntries == 0) {
+ crondlog("\111Maximum number of lines reached for user %s\n", fileName);
+ }
+ }
+ fclose(fi);
+ }
}
- }
}
-static void
-CheckUpdates(void)
+static void CheckUpdates(void)
{
- FILE *fi;
- char buf[256];
+ FILE *fi;
+ char buf[256];
- if ((fi = fopen(CRONUPDATE, "r")) != NULL) {
- remove(CRONUPDATE);
- while (fgets(buf, sizeof(buf), fi) != NULL) {
- SynchronizeFile(strtok(buf, " \t\r\n"));
+ fi = fopen(CRONUPDATE, "r");
+ if (fi != NULL) {
+ remove(CRONUPDATE);
+ while (fgets(buf, sizeof(buf), fi) != NULL) {
+ SynchronizeFile(strtok(buf, " \t\r\n"));
+ }
+ fclose(fi);
}
- fclose(fi);
- }
}
-static void
-SynchronizeDir(void)
+static void SynchronizeDir(void)
{
- /*
- * Attempt to delete the database.
- */
+ /* Attempt to delete the database. */
- for (;;) {
- CronFile *file;
+ for (;;) {
+ CronFile *file;
- for (file = FileBase; file && file->cf_Deleted; file = file->cf_Next)
- ;
- if (file == NULL)
- break;
- DeleteFile(file->cf_User);
- }
-
- /*
- * Remove cron update file
- *
- * Re-chdir, in case directory was renamed & deleted, or otherwise
- * screwed up.
- *
- * scan directory and add associated users
- */
-
- remove(CRONUPDATE);
- if (chdir(CDir) < 0) {
- crondlog("\311unable to find %s\n", CDir);
- }
- {
- DIR *dir;
- struct dirent *den;
-
- if ((dir = opendir("."))) {
- while ((den = readdir(dir))) {
- if (strchr(den->d_name, '.') != NULL)
- continue;
- if (getpwnam(den->d_name))
- SynchronizeFile(den->d_name);
- else
- crondlog("\007ignoring %s\n", den->d_name);
- }
- closedir(dir);
- } else {
- crondlog("\311Unable to open current dir!\n");
+ for (file = FileBase; file && file->cf_Deleted; file = file->cf_Next);
+ if (file == NULL) {
+ break;
+ }
+ DeleteFile(file->cf_User);
+ }
+
+ /*
+ * Remove cron update file
+ *
+ * Re-chdir, in case directory was renamed & deleted, or otherwise
+ * screwed up.
+ *
+ * scan directory and add associated users
+ */
+
+ remove(CRONUPDATE);
+ if (chdir(CDir) < 0) {
+ crondlog("\311unable to find %s\n", CDir);
+ }
+ {
+ DIR *dir = opendir(".");
+ struct dirent *den;
+
+ if (dir) {
+ while ((den = readdir(dir))) {
+ if (strchr(den->d_name, '.') != NULL) {
+ continue;
+ }
+ if (getpwnam(den->d_name)) {
+ SynchronizeFile(den->d_name);
+ } else {
+ crondlog("\007ignoring %s\n", den->d_name);
+ }
+ }
+ closedir(dir);
+ } else {
+ crondlog("\311Unable to open current dir!\n");
+ }
}
- }
}
* completely delete a database due to running processes.
*/
-static void
-DeleteFile(const char *userName)
+static void DeleteFile(const char *userName)
{
- CronFile **pfile = &FileBase;
- CronFile *file;
-
- while ((file = *pfile) != NULL) {
- if (strcmp(userName, file->cf_User) == 0) {
- CronLine **pline = &file->cf_LineBase;
- CronLine *line;
-
- file->cf_Running = 0;
- file->cf_Deleted = 1;
+ CronFile **pfile = &FileBase;
+ CronFile *file;
- while ((line = *pline) != NULL) {
- if (line->cl_Pid > 0) {
- file->cf_Running = 1;
- pline = &line->cl_Next;
+ while ((file = *pfile) != NULL) {
+ if (strcmp(userName, file->cf_User) == 0) {
+ CronLine **pline = &file->cf_LineBase;
+ CronLine *line;
+
+ file->cf_Running = 0;
+ file->cf_Deleted = 1;
+
+ while ((line = *pline) != NULL) {
+ if (line->cl_Pid > 0) {
+ file->cf_Running = 1;
+ pline = &line->cl_Next;
+ } else {
+ *pline = line->cl_Next;
+ free(line->cl_Shell);
+ free(line);
+ }
+ }
+ if (file->cf_Running == 0) {
+ *pfile = file->cf_Next;
+ free(file->cf_User);
+ free(file);
+ } else {
+ pfile = &file->cf_Next;
+ }
} else {
- *pline = line->cl_Next;
- free(line->cl_Shell);
- free(line);
+ pfile = &file->cf_Next;
}
- }
- if (file->cf_Running == 0) {
- *pfile = file->cf_Next;
- free(file->cf_User);
- free(file);
- } else {
- pfile = &file->cf_Next;
- }
- } else {
- pfile = &file->cf_Next;
}
- }
}
/*
* hour (60 scans).
*/
-static int
-TestJobs(time_t t1, time_t t2)
+static int TestJobs(time_t t1, time_t t2)
{
- short nJobs = 0;
- time_t t;
-
- /*
- * Find jobs > t1 and <= t2
- */
-
- for (t = t1 - t1 % 60; t <= t2; t += 60) {
- if (t > t1) {
- struct tm *tp = localtime(&t);
- CronFile *file;
- CronLine *line;
-
- for (file = FileBase; file; file = file->cf_Next) {
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt)
- crondlog("\005FILE %s:\n", file->cf_User);
+ int nJobs = 0;
+ time_t t;
+
+ /* Find jobs > t1 and <= t2 */
+
+ for (t = t1 - t1 % 60; t <= t2; t += 60) {
+ if (t > t1) {
+ struct tm *tp = localtime(&t);
+ CronFile *file;
+ CronLine *line;
+
+ for (file = FileBase; file; file = file->cf_Next) {
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt)
+ crondlog("\005FILE %s:\n", file->cf_User);
#endif
- if (file->cf_Deleted)
- continue;
- for (line = file->cf_LineBase; line; line = line->cl_Next) {
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt)
- crondlog("\005 LINE %s\n", line->cl_Shell);
+ if (file->cf_Deleted)
+ continue;
+ for (line = file->cf_LineBase; line; line = line->cl_Next) {
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt)
+ crondlog("\005 LINE %s\n", line->cl_Shell);
#endif
- if (line->cl_Mins[tp->tm_min] &&
- line->cl_Hrs[tp->tm_hour] &&
- (line->cl_Days[tp->tm_mday] || line->cl_Dow[tp->tm_wday]) &&
- line->cl_Mons[tp->tm_mon]
- ) {
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt)
- crondlog("\005 JobToDo: %d %s\n", line->cl_Pid, line->cl_Shell);
+ if (line->cl_Mins[tp->tm_min] && line->cl_Hrs[tp->tm_hour] &&
+ (line->cl_Days[tp->tm_mday] || line->cl_Dow[tp->tm_wday])
+ && line->cl_Mons[tp->tm_mon]) {
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt) {
+ crondlog("\005 JobToDo: %d %s\n",
+ line->cl_Pid, line->cl_Shell);
+ }
#endif
- if (line->cl_Pid > 0) {
- crondlog("\010 process already running: %s %s\n",
- file->cf_User,
- line->cl_Shell
- );
- } else if (line->cl_Pid == 0) {
- line->cl_Pid = -1;
- file->cf_Ready = 1;
- ++nJobs;
+ if (line->cl_Pid > 0) {
+ crondlog("\010 process already running: %s %s\n",
+ file->cf_User, line->cl_Shell);
+ } else if (line->cl_Pid == 0) {
+ line->cl_Pid = -1;
+ file->cf_Ready = 1;
+ ++nJobs;
+ }
+ }
+ }
}
- }
}
- }
}
- }
- return(nJobs);
+ return (nJobs);
}
-static void
-RunJobs(void)
+static void RunJobs(void)
{
- CronFile *file;
- CronLine *line;
-
- for (file = FileBase; file; file = file->cf_Next) {
- if (file->cf_Ready) {
- file->cf_Ready = 0;
-
- for (line = file->cf_LineBase; line; line = line->cl_Next) {
- if (line->cl_Pid < 0) {
-
- RunJob(file->cf_User, line);
-
- crondlog("\010USER %s pid %3d cmd %s\n",
- file->cf_User,
- line->cl_Pid,
- line->cl_Shell
- );
- if (line->cl_Pid < 0)
- file->cf_Ready = 1;
- else if (line->cl_Pid > 0)
- file->cf_Running = 1;
+ CronFile *file;
+ CronLine *line;
+
+ for (file = FileBase; file; file = file->cf_Next) {
+ if (file->cf_Ready) {
+ file->cf_Ready = 0;
+
+ for (line = file->cf_LineBase; line; line = line->cl_Next) {
+ if (line->cl_Pid < 0) {
+
+ RunJob(file->cf_User, line);
+
+ crondlog("\010USER %s pid %3d cmd %s\n",
+ file->cf_User, line->cl_Pid, line->cl_Shell);
+ if (line->cl_Pid < 0) {
+ file->cf_Ready = 1;
+ }
+ else if (line->cl_Pid > 0) {
+ file->cf_Running = 1;
+ }
+ }
+ }
}
- }
}
- }
}
/*
* all done.
*/
-static int
-CheckJobs(void)
+static int CheckJobs(void)
{
- CronFile *file;
- CronLine *line;
- int nStillRunning = 0;
-
- for (file = FileBase; file; file = file->cf_Next) {
- if (file->cf_Running) {
- file->cf_Running = 0;
-
- for (line = file->cf_LineBase; line; line = line->cl_Next) {
- if (line->cl_Pid > 0) {
- int status;
- int r = wait4(line->cl_Pid, &status, WNOHANG, NULL);
-
- if (r < 0 || r == line->cl_Pid) {
- EndJob(file->cf_User, line);
- if (line->cl_Pid)
- file->cf_Running = 1;
- } else if (r == 0) {
- file->cf_Running = 1;
- }
+ CronFile *file;
+ CronLine *line;
+ int nStillRunning = 0;
+
+ for (file = FileBase; file; file = file->cf_Next) {
+ if (file->cf_Running) {
+ file->cf_Running = 0;
+
+ for (line = file->cf_LineBase; line; line = line->cl_Next) {
+ if (line->cl_Pid > 0) {
+ int status;
+ int r = wait4(line->cl_Pid, &status, WNOHANG, NULL);
+
+ if (r < 0 || r == line->cl_Pid) {
+ EndJob(file->cf_User, line);
+ if (line->cl_Pid) {
+ file->cf_Running = 1;
+ }
+ } else if (r == 0) {
+ file->cf_Running = 1;
+ }
+ }
+ }
}
- }
+ nStillRunning += file->cf_Running;
}
- nStillRunning += file->cf_Running;
- }
- return(nStillRunning);
+ return (nStillRunning);
}
-#ifdef CONFIG_FEATURE_CROND_CALL_SENDMAIL
+#if ENABLE_FEATURE_CROND_CALL_SENDMAIL
static void
-ForkJob(const char *user, CronLine *line, int mailFd,
- const char *prog, const char *cmd, const char *arg, const char *mailf)
+ForkJob(const char *user, CronLine * line, int mailFd,
+ const char *prog, const char *cmd, const char *arg, const char *mailf)
{
- /*
- * Fork as the user in question and run program
- */
- pid_t pid = fork();
-
- line->cl_Pid = pid;
- if (pid == 0) {
- /*
- * CHILD
- */
+ /* Fork as the user in question and run program */
+ pid_t pid = fork();
- /*
- * Change running state to the user in question
- */
+ line->cl_Pid = pid;
+ if (pid == 0) {
+ /* CHILD */
- if (ChangeUser(user) < 0)
- exit(0);
+ /* Change running state to the user in question */
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt)
- crondlog("\005Child Running %s\n", prog);
+ if (ChangeUser(user) < 0) {
+ exit(0);
+ }
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt) {
+ crondlog("\005Child Running %s\n", prog);
+ }
#endif
- if (mailFd >= 0) {
- dup2(mailFd, mailf != NULL);
- dup2((mailf ? mailFd : 1), 2);
- close(mailFd);
+ if (mailFd >= 0) {
+ dup2(mailFd, mailf != NULL);
+ dup2((mailf ? mailFd : 1), 2);
+ close(mailFd);
+ }
+ execl(prog, prog, cmd, arg, NULL);
+ crondlog("\024unable to exec, user %s cmd %s %s %s\n", user, prog, cmd, arg);
+ if (mailf) {
+ fdprintf(1, "Exec failed: %s -c %s\n", prog, arg);
+ }
+ exit(0);
+ } else if (pid < 0) {
+ /* FORK FAILED */
+ crondlog("\024couldn't fork, user %s\n", user);
+ line->cl_Pid = 0;
+ if (mailf) {
+ remove(mailf);
+ }
+ } else if (mailf) {
+ /* PARENT, FORK SUCCESS
+ * rename mail-file based on pid of process
+ */
+ char mailFile2[128];
+
+ snprintf(mailFile2, sizeof(mailFile2), TMPDIR "/cron.%s.%d", user, pid);
+ rename(mailf, mailFile2);
}
- execl(prog, prog, cmd, arg, NULL);
- crondlog("\024unable to exec, user %s cmd %s %s %s\n", user,
- prog, cmd, arg);
- if(mailf)
- fdprintf(1, "Exec failed: %s -c %s\n", prog, arg);
- exit(0);
- } else if (pid < 0) {
/*
- * FORK FAILED
+ * Close the mail file descriptor.. we can't just leave it open in
+ * a structure, closing it later, because we might run out of descriptors
*/
- crondlog("\024couldn't fork, user %s\n", user);
- line->cl_Pid = 0;
- if(mailf)
- remove(mailf);
- } else if(mailf) {
- /*
- * PARENT, FORK SUCCESS
- *
- * rename mail-file based on pid of process
- */
- char mailFile2[128];
-
- snprintf(mailFile2, sizeof(mailFile2), TMPDIR "/cron.%s.%d",
- user, pid);
- rename(mailf, mailFile2);
- }
- /*
- * Close the mail file descriptor.. we can't just leave it open in
- * a structure, closing it later, because we might run out of descriptors
- */
-
- if (mailFd >= 0)
- close(mailFd);
+
+ if (mailFd >= 0) {
+ close(mailFd);
+ }
}
-static void
-RunJob(const char *user, CronLine *line)
+static void RunJob(const char *user, CronLine * line)
{
- char mailFile[128];
- int mailFd;
-
- line->cl_Pid = 0;
- line->cl_MailFlag = 0;
-
- /*
- * open mail file - owner root so nobody can screw with it.
- */
-
- snprintf(mailFile, sizeof(mailFile), TMPDIR "/cron.%s.%d",
- user, getpid());
- mailFd = open(mailFile, O_CREAT|O_TRUNC|O_WRONLY|O_EXCL|O_APPEND, 0600);
-
- if (mailFd >= 0) {
- line->cl_MailFlag = 1;
- fdprintf(mailFd, "To: %s\nSubject: cron: %s\n\n", user,
- line->cl_Shell);
- line->cl_MailPos = lseek(mailFd, 0, 1);
- } else {
- crondlog("\024unable to create mail file user %s file %s, output to /dev/null\n",
- user, mailFile);
- }
-
- ForkJob(user, line, mailFd, DEFAULT_SHELL, "-c", line->cl_Shell, mailFile);
+ char mailFile[128];
+ int mailFd;
+
+ line->cl_Pid = 0;
+ line->cl_MailFlag = 0;
+
+ /* open mail file - owner root so nobody can screw with it. */
+
+ snprintf(mailFile, sizeof(mailFile), TMPDIR "/cron.%s.%d", user, getpid());
+ mailFd = open(mailFile, O_CREAT | O_TRUNC | O_WRONLY | O_EXCL | O_APPEND, 0600);
+
+ if (mailFd >= 0) {
+ line->cl_MailFlag = 1;
+ fdprintf(mailFd, "To: %s\nSubject: cron: %s\n\n", user,
+ line->cl_Shell);
+ line->cl_MailPos = lseek(mailFd, 0, 1);
+ } else {
+ crondlog("\024unable to create mail file user %s file %s, output to /dev/null\n", user, mailFile);
+ }
+
+ ForkJob(user, line, mailFd, DEFAULT_SHELL, "-c", line->cl_Shell, mailFile);
}
/*
* EndJob - called when job terminates and when mail terminates
*/
-static void
-EndJob(const char *user, CronLine *line)
+static void EndJob(const char *user, CronLine * line)
{
- int mailFd;
- char mailFile[128];
- struct stat sbuf;
+ int mailFd;
+ char mailFile[128];
+ struct stat sbuf;
- /*
- * No job
- */
+ /* No job */
- if (line->cl_Pid <= 0) {
- line->cl_Pid = 0;
- return;
- }
-
- /*
- * End of job and no mail file
- * End of sendmail job
- */
-
- snprintf(mailFile, sizeof(mailFile), TMPDIR "/cron.%s.%d",
- user, line->cl_Pid);
- line->cl_Pid = 0;
-
- if (line->cl_MailFlag != 1)
- return;
-
- line->cl_MailFlag = 0;
-
- /*
- * End of primary job - check for mail file. If size has increased and
- * the file is still valid, we sendmail it.
- */
-
- mailFd = open(mailFile, O_RDONLY);
- remove(mailFile);
- if (mailFd < 0) {
- return;
- }
-
- if (fstat(mailFd, &sbuf) < 0 ||
- sbuf.st_uid != DaemonUid ||
- sbuf.st_nlink != 0 ||
- sbuf.st_size == line->cl_MailPos ||
- !S_ISREG(sbuf.st_mode)
- ) {
- close(mailFd);
- return;
- }
- ForkJob(user, line, mailFd, SENDMAIL, SENDMAIL_ARGS, NULL);
-}
-#else
-/* crond whithout sendmail */
+ if (line->cl_Pid <= 0) {
+ line->cl_Pid = 0;
+ return;
+ }
-static void
-RunJob(const char *user, CronLine *line)
-{
/*
- * Fork as the user in question and run program
+ * End of job and no mail file
+ * End of sendmail job
*/
- pid_t pid = fork();
- if (pid == 0) {
- /*
- * CHILD
- */
+ snprintf(mailFile, sizeof(mailFile), TMPDIR "/cron.%s.%d", user, line->cl_Pid);
+ line->cl_Pid = 0;
+
+ if (line->cl_MailFlag != 1) {
+ return;
+ }
+ line->cl_MailFlag = 0;
/*
- * Change running state to the user in question
+ * End of primary job - check for mail file. If size has increased and
+ * the file is still valid, we sendmail it.
*/
- if (ChangeUser(user) < 0)
- exit(0);
+ mailFd = open(mailFile, O_RDONLY);
+ remove(mailFile);
+ if (mailFd < 0) {
+ return;
+ }
+
+ if (fstat(mailFd, &sbuf) < 0 || sbuf.st_uid != DaemonUid || sbuf.st_nlink != 0 ||
+ sbuf.st_size == line->cl_MailPos || !S_ISREG(sbuf.st_mode)) {
+ close(mailFd);
+ return;
+ }
+ ForkJob(user, line, mailFd, SENDMAIL, SENDMAIL_ARGS, NULL);
+}
+#else
+/* crond without sendmail */
+
+static void RunJob(const char *user, CronLine * line)
+{
+ /* Fork as the user in question and run program */
+ pid_t pid = fork();
+
+ if (pid == 0) {
+ /* CHILD */
-#ifdef FEATURE_DEBUG_OPT
- if (DebugOpt)
- crondlog("\005Child Running %s\n", DEFAULT_SHELL);
+ /* Change running state to the user in question */
+
+ if (ChangeUser(user) < 0) {
+ exit(0);
+ }
+#if ENABLE_DEBUG_CROND_OPTION
+ if (DebugOpt) {
+ crondlog("\005Child Running %s\n", DEFAULT_SHELL);
+ }
#endif
- execl(DEFAULT_SHELL, DEFAULT_SHELL, "-c", line->cl_Shell, NULL);
- crondlog("\024unable to exec, user %s cmd %s -c %s\n", user,
- DEFAULT_SHELL, line->cl_Shell);
- exit(0);
- } else if (pid < 0) {
- /*
- * FORK FAILED
- */
- crondlog("\024couldn't fork, user %s\n", user);
- pid = 0;
- }
- line->cl_Pid = pid;
+ execl(DEFAULT_SHELL, DEFAULT_SHELL, "-c", line->cl_Shell, NULL);
+ crondlog("\024unable to exec, user %s cmd %s -c %s\n", user,
+ DEFAULT_SHELL, line->cl_Shell);
+ exit(0);
+ } else if (pid < 0) {
+ /* FORK FAILED */
+ crondlog("\024couldn't fork, user %s\n", user);
+ pid = 0;
+ }
+ line->cl_Pid = pid;
}
-#endif /* CONFIG_FEATURE_CROND_CALL_SENDMAIL */
+#endif /* ENABLE_FEATURE_CROND_CALL_SENDMAIL */
projects / oweals / busybox.git / blobdiff