+ /* create parent directories if needed */
+ if (strrchr(dev->name, '/'))
+ create_path(filename);
+
+ info("creating device node '%s'", filename);
+ dbg("mknod(%s, %#o, %u, %u)", filename, dev->mode, dev->major, dev->minor);
+ if (!fake) {
+ retval = mknod(filename, dev->mode, makedev(dev->major, dev->minor));
+ if (retval != 0)
+ dbg("mknod(%s, %#o, %u, %u) failed with error '%s'",
+ filename, dev->mode, dev->major, dev->minor, strerror(errno));
+ }
+
+ dbg("chmod(%s, %#o)", filename, dev->mode);
+ if (!fake) {
+ retval = chmod(filename, dev->mode);
+ if (retval != 0)
+ dbg("chmod(%s, %#o) failed with error '%s'",
+ filename, dev->mode, strerror(errno));
+ }
+
+ if (dev->owner[0] != '\0') {
+ char *endptr;
+ unsigned long id = strtoul(dev->owner, &endptr, 10);
+ if (endptr[0] == '\0')
+ uid = (uid_t) id;
+ else {
+ struct passwd *pw = getpwnam(dev->owner);
+ if (pw == NULL)
+ dbg("specified user unknown '%s'", dev->owner);
+ else
+ uid = pw->pw_uid;
+ }
+ }
+
+ if (dev->group[0] != '\0') {
+ char *endptr;
+ unsigned long id = strtoul(dev->group, &endptr, 10);
+ if (endptr[0] == '\0')
+ gid = (gid_t) id;
+ else {
+ struct group *gr = getgrnam(dev->group);
+ if (gr == NULL)
+ dbg("specified group unknown '%s'", dev->group);
+ else
+ gid = gr->gr_gid;
+ }
+ }
+
+ if (uid != 0 || gid != 0) {
+ dbg("chown(%s, %u, %u)", filename, uid, gid);
+ retval = chown(filename, uid, gid);
+ if (retval != 0)
+ dbg("chown(%s, %u, %u) failed with error '%s'",
+ filename, uid, gid, strerror(errno));
+ }
+
+ /* create symlink if requested */
+ if (dev->symlink[0] != '\0') {
+ symlinks = dev->symlink;
+ while (1) {
+ linkname = strsep(&symlinks, " ");
+ if (linkname == NULL || linkname[0] == '\0')
+ break;
+
+ strncpy(filename, udev_root, sizeof(filename));
+ strncat(filename, linkname, sizeof(filename));
+ dbg("symlink '%s' to node '%s' requested", filename, dev->name);
+ if (!fake)
+ if (strrchr(linkname, '/'))
+ create_path(filename);
+
+ /* optimize relative link */
+ linktarget[0] = '\0';
+ i = 0;
+ tail = 0;
+ while ((dev->name[i] == linkname[i]) && dev->name[i]) {
+ if (dev->name[i] == '/')
+ tail = i+1;
+ i++;
+ }
+ while (linkname[i] != '\0') {
+ if (linkname[i] == '/')
+ strcat(linktarget, "../");
+ i++;
+ }
+
+ if (linktarget[0] == '\0')
+ strcpy(linktarget, "./");
+ strcat(linktarget, &dev->name[tail]);
+
+ /* unlink existing non-directories to ensure that our symlink
+ * is created */
+ if (!fake && (lstat(filename, &stats) == 0)) {
+ if ((stats.st_mode & S_IFMT) != S_IFDIR) {
+ if (unlink(filename))
+ dbg("unlink(%s) failed with error '%s'",
+ filename, strerror(errno));
+ }
+ }
+
+ dbg("symlink(%s, %s)", linktarget, filename);
+ if (!fake) {
+ retval = symlink(linktarget, filename);
+ if (retval != 0)
+ dbg("symlink(%s, %s) failed with error '%s'",
+ linktarget, filename, strerror(errno));
+ }
+ }
+ }
+