+ uid_t uid = 0;
+ gid_t gid = 0;
+ dev_t res;
+ int i;
+ int tail;
+
+ strncpy(filename, udev_root, sizeof(filename));
+ strncat(filename, dev->name, sizeof(filename));
+
+#ifdef __KLIBC__
+ res = (dev->major << 8) | (dev->minor);
+#else
+ res = makedev(dev->major, dev->minor);
+#endif
+
+ switch (dev->type) {
+ case 'b':
+ dev->mode |= S_IFBLK;
+ break;
+ case 'c':
+ case 'u':
+ dev->mode |= S_IFCHR;
+ break;
+ case 'p':
+ dev->mode |= S_IFIFO;
+ break;
+ default:
+ dbg("unknown node type %c\n", dev->type);
+ return -EINVAL;
+ }
+
+ /* 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);
+ retval = mknod(filename, dev->mode, res);
+ if (retval)
+ 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);
+ retval = chmod(filename, dev->mode);
+ if (retval)
+ dbg("chmod(%s, %#o) failed with error '%s'",
+ filename, dev->mode, strerror(errno));
+
+ if (dev->owner[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]) {
+ 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 || gid) {
+ dbg("chown(%s, %u, %u)", filename, uid, gid);
+ retval = chown(filename, uid, gid);
+ if (retval)
+ dbg("chown(%s, %u, %u) failed with error '%s'",
+ filename, uid, gid, strerror(errno));
+ }
+
+ /* create symlink if requested */
+ if (dev->symlink[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 (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]) {
+ if (linkname[i] == '/')
+ strcat(linktarget, "../");
+ i++;
+ }
+
+ if (*linktarget == '\0')
+ strcpy(linktarget, "./");
+ strcat(linktarget, &dev->name[tail]);
+
+ /* unlink existing non-directories to ensure that our symlink
+ * is created */
+ if (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);
+ retval = symlink(linktarget, filename);
+ if (retval)
+ dbg("symlink(%s, %s) failed with error '%s'",
+ linktarget, filename, strerror(errno));
+ }
+ }
+