diff options
Diffstat (limited to 'miscutils/crond.c')
| -rw-r--r-- | miscutils/crond.c | 59 |
1 files changed, 41 insertions, 18 deletions
diff --git a/miscutils/crond.c b/miscutils/crond.c index ba9cf35..98dd22d 100644 --- a/miscutils/crond.c +++ b/miscutils/crond.c @@ -33,7 +33,11 @@ #define SENDMAIL "sendmail" #endif #ifndef SENDMAIL_ARGS -#define SENDMAIL_ARGS "-ti", "oem" +# if ENABLE_SENDMAIL +# define SENDMAIL_ARGS "localhost", line->cl_MailTo +# else +# define SENDMAIL_ARGS "-ti", "oem" +# endif #endif #ifndef CRONUPDATE #define CRONUPDATE "cron.update" @@ -59,6 +63,7 @@ typedef struct CronLine { #if ENABLE_FEATURE_CROND_CALL_SENDMAIL int cl_MailPos; /* 'empty file' size */ smallint cl_MailFlag; /* running pid is for mail */ + char *cl_MailTo; /* whom to mail results */ #endif /* ordered by size, not in natural order. makes code smaller: */ char cl_Dow[7]; /* 0-6, beginning sunday */ @@ -449,6 +454,9 @@ static void SynchronizeFile(const char *fileName) int maxEntries; int maxLines; char buf[1024]; +#if ENABLE_FEATURE_CROND_CALL_SENDMAIL + char *mailTo = NULL; +#endif if (!fileName) return; @@ -485,6 +493,14 @@ static void SynchronizeFile(const char *fileName) if (DebugOpt) { crondlog(LVL5 "user:%s entry:%s", fileName, buf); } + /* check if line is setting MAILTO= */ + if (0 == strncmp("MAILTO=", buf, 7)) { +#if ENABLE_FEATURE_CROND_CALL_SENDMAIL + free(mailTo); + mailTo = (buf[7]) ? xstrdup(buf+7) : NULL; +#endif /* otherwise just ignore such lines */ + continue; + } *pline = line = xzalloc(sizeof(CronLine)); /* parse date ranges */ ptr = ParseField(file->cf_User, line->cl_Mins, 60, 0, NULL, buf); @@ -498,10 +514,14 @@ static void SynchronizeFile(const char *fileName) continue; } /* - * fix days and dow - if one is not * and the other - * is *, the other is set to 0, and vise-versa + * fix days and dow - if one is not "*" and the other + * is "*", the other is set to 0, and vise-versa */ FixDayDow(line); +#if ENABLE_FEATURE_CROND_CALL_SENDMAIL + /* copy mailto (can be NULL) */ + line->cl_MailTo = xstrdup(mailTo); +#endif /* copy command */ line->cl_Shell = xstrdup(ptr); if (DebugOpt) { @@ -515,7 +535,7 @@ static void SynchronizeFile(const char *fileName) FileBase = file; if (maxLines == 0 || maxEntries == 0) { - crondlog(WARN9 "maximum number of lines reached for user %s", fileName); + crondlog(WARN9 "user %s: too many lines", fileName); } } fclose(fi); @@ -567,7 +587,7 @@ static void SynchronizeDir(void) if (!dir) crondlog(DIE9 "can't chdir(%s)", "."); /* exits */ - while ((den = readdir(dir))) { + while ((den = readdir(dir)) != NULL) { if (strchr(den->d_name, '.') != NULL) { continue; } @@ -811,23 +831,25 @@ ForkJob(const char *user, CronLine *line, int mailFd, static void RunJob(const char *user, CronLine *line) { char mailFile[128]; - int mailFd; + int mailFd = -1; line->cl_Pid = 0; line->cl_MailFlag = 0; - /* open mail file - owner root so nobody can screw with it. */ - snprintf(mailFile, sizeof(mailFile), "%s/cron.%s.%d", TMPDIR, user, getpid()); - mailFd = open(mailFile, O_CREAT | O_TRUNC | O_WRONLY | O_EXCL | O_APPEND, 0600); + if (line->cl_MailTo) { + /* open mail file - owner root so nobody can screw with it. */ + snprintf(mailFile, sizeof(mailFile), "%s/cron.%s.%d", TMPDIR, 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, SEEK_CUR); - } else { - crondlog(ERR20 "cannot create mail file %s for user %s, " - "discarding output", mailFile, user); + 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, SEEK_CUR); + } else { + crondlog(ERR20 "cannot create mail file %s for user %s, " + "discarding output", mailFile, user); + } } ForkJob(user, line, mailFd, DEFAULT_SHELL, "-c", line->cl_Shell, mailFile); @@ -877,7 +899,8 @@ static void EndJob(const char *user, CronLine *line) close(mailFd); return; } - ForkJob(user, line, mailFd, SENDMAIL, SENDMAIL_ARGS, NULL); + if (line->cl_MailTo) + ForkJob(user, line, mailFd, SENDMAIL, SENDMAIL_ARGS, NULL); } #else /* crond without sendmail */ |