- if (getuid() == geteuid()) {
- c = strncpy(path, dir, sizeof(path));
-
- while (!had_an_error && (c = strchr((c + 1), '/')) != NULL) {
- *c = (char)0;
- if (access(path, X_OK)) {
- if (errno != ENOENT){
- advise(dir, "unable to create directory");
- had_an_error = 1;
- }
- /* Create an outer directory. */
- if (mkdir(path, folder_perms)) {
- advise(dir, "unable to create directory");
- had_an_error = 1;
- }
- }
- *c = '/';
- }
-
- if (!had_an_error) {
- /*
- ** Create the innermost nested subdirectory of the
- ** path we're being asked to create.
- */
- if (mkdir(dir, folder_perms) == -1) {
- advise(dir, "unable to create directory");
- had_an_error = 1;
- }
- }
- } else {
- /*
- ** Ummm, why do we want to avoid creating directories
- ** with the effective user ID? None of the nmh tools are
- ** installed such that the effective should be different
- ** from the real, and if some parent process made the two
- ** be different, I don't see why it should be our job to
- ** enforce the real UID. Also, why the heck do we call
- ** the mkdir executable rather than the library function in
- ** this case?? If we do want to call the mkdir executable,
- ** we should at least be giving it -p (and change the single
- ** chmod() call below) so it can successfully create nested
- ** directories like the above code can.
- ** -- Dan Harkless <dan-nmh@dilvish.speed.net>
- */
- switch (pid = vfork()) {
- case -1:
- advise("fork", "unable to");
- return 0;
-
- case 0:
- setgid(getgid());
- setuid(getuid());