static void RunJob(const char *user, CronLine *line)
{
char mailFile[128];
int mailFd = -1;
line->cl_Pid = 0;
line->cl_MailFlag = 0;
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);
}
}
ForkJob(user, line, mailFd, DEFAULT_SHELL, "-c", line->cl_Shell, mailFile);
}
static void EndJob(const char *user, CronLine * line)
{
int mailFd;
char mailFile[128];
struct stat sbuf;
/* 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);
}
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);
}
