int cron_parent_main(int argc, char *argv[])
{
int pid, p2;
extern int errno;
#ifdef ERRFD
dup2(2, ERRFD);
errf = fdopen(ERRFD, "w");
#endif
if (argc != 4) exit(1); /* Enough args? */
av = malloc(sizeof(char *) * 101); /* Allocate an argv array */
if (av == NULL) {
print("Malloc failed: errno = %d", errno);
_exit(1);
}
setsid(); /* Create our own little group */
changeuser(atoi(argv[2]), argv[3]); /* Give up privs */
setenviron(); /* Sanitise environ and extract useful information */
parseargs(argv[1]); /* Process the jobs command line */
setupfds(); /* Set up file descriptors */
pid = vfork(); /* Create the child process */
if (pid == 0) {
close(PLISTENFD); /* Close parent only FDs */
close(PSENDFD);
execve(path, av, environ); /* Run the job */
print("Exec failed: errno = %d", errno);
_exit(1);
}
if (pid < 0) exit(1);
/* Parent processing */
close(0);
close(1);
close(2);
p2 = handlestdout(); /* Pass stdout to mail */
sendstdin(); /* Send stdin to process if required */
waitpid(pid, NULL, 0); /* Wait for children to exit */
if (p2 != 0)
waitpid(p2, NULL, 0);
return 0;
}
extern int
putenv(const char* s)
{
return setenviron(s) ? 0 : -1;
}
extern void
unsetenv(const char *name)
{
if (!strchr(name, '='))
setenviron(name);
}