+ if (S_ISLNK(lbuf.st_mode)) {
+ syslog(LOG_ERR,"Symbolic link encountered in job %s - aborting",
+ filename);
+ exit(EXIT_FAILURE);
+ }
+ if ((lbuf.st_dev != buf.st_dev) || (lbuf.st_ino != buf.st_ino) ||
+ (lbuf.st_uid != buf.st_uid) || (lbuf.st_gid != buf.st_gid) ||
+ (lbuf.st_size!=buf.st_size)) {
+ syslog(LOG_ERR,"Somebody changed files from under us for job %s - "
+ "aborting",filename);
+ exit(EXIT_FAILURE);
+ }
+ if (buf.st_nlink > 1) {
+ syslog(LOG_ERR,"Someboy is trying to run a linked script for job %s",
+ filename);
+ exit(EXIT_FAILURE);
+ }
+ if ((fflags = fcntl(fd_in, F_GETFD)) <0)
+ perr("error in fcntl");
+
+ fcntl(fd_in, F_SETFD, fflags & ~FD_CLOEXEC);
+
+ asprintf(&fmt, "%s%d%s",
+ "#!/bin/sh\n# atrun uid=%ld gid=%ld\n# mail %",
+ LOGNAMESIZE,
+ "s %d");
+ if (fscanf(stream, fmt, &nuid, &ngid, mailbuf, &send_mail) != 4) {
+ syslog(LOG_ERR,"File %s is in wrong format - aborting", filename);
+ exit(EXIT_FAILURE);
+ }
+ free(fmt);
+ if (mailbuf[0] == '-') {
+ syslog(LOG_ERR,"illegal mail name %s in %s",mailbuf,filename);
+ exit(EXIT_FAILURE);
+ }
+ mailname = mailbuf;
+ if (nuid != uid) {
+ syslog(LOG_ERR,"Job %s - userid %ld does not match file uid %lu",
+ filename, nuid, (unsigned long)uid);
+ exit(EXIT_FAILURE);
+ }
+ if (ngid != gid) {
+ syslog(LOG_ERR,"Job %s - groupid %ld does not match file gid %lu",
+ filename, ngid, (unsigned long)gid);
+ exit(EXIT_FAILURE);
+ }
+ fclose(stream);
+ if (chdir(ATSPOOL_DIR) < 0)
+ perr("cannot chdir to " ATSPOOL_DIR);
+
+ /* Create a file to hold the output of the job we are about to run.
+ * Write the mail header.
+ */
+ if((fd_out=open(filename,
+ O_WRONLY | O_CREAT | O_EXCL, S_IWUSR | S_IRUSR)) < 0)
+ perr("cannot create output file");
+
+ write_string(fd_out, "Subject: Output from your job ");
+ write_string(fd_out, filename);
+ write_string(fd_out, "\n\n");
+ fstat(fd_out, &buf);
+ size = buf.st_size;
+
+ close(STDIN_FILENO);
+ close(STDOUT_FILENO);
+ close(STDERR_FILENO);
+
+ pid = fork();
+ if (pid < 0)
+ perr("error in fork");
+
+ else if (pid == 0)
+ {
+ char *nul = NULL;
+ char **nenvp = &nul;
+
+ /* Set up things for the child; we want standard input from the input file,
+ * and standard output and error sent to our output file.
+ */
projects / apple / system_cmds.git / blobdiff