Add support for dumping device files and FIFOs

 Signed-off-by: gene@freetz.org

--- debugfs/dump.c
+++ debugfs/dump.c
@@ -281,7 +281,8 @@
 			goto errout;
 		}
 	}
-	else if (LINUX_S_ISDIR(inode->i_mode) && strcmp(name, ".") && strcmp(name, "..")) {
+	else if (LINUX_S_ISDIR(inode->i_mode)) {
+	    if (strcmp(name, ".") && strcmp(name, "..")) {
 		errcode_t retval;
 
 		/* Create the directory with 0700 permissions, because we
@@ -302,8 +303,36 @@
 			com_err("rdump", retval, "while dumping %s", fullname);
 
 		fix_perms("rdump", inode, -1, fullname);
+	    }
+	} else if (LINUX_S_ISCHR(inode->i_mode) || LINUX_S_ISBLK(inode->i_mode)) {
+		int chrdev = LINUX_S_ISCHR(inode->i_mode);
+
+		int major, minor;
+		if (inode->i_block[0]) {
+			major = (inode->i_block[0] >> 8) & 255;
+			minor = inode->i_block[0] & 255;
+		} else {
+			/* new-style */
+			major = (inode->i_block[1] & 0xfff00) >> 8;
+			minor = ((inode->i_block[1] & 0xff) | ((inode->i_block[1] >> 12) & 0xfff00));
+		}
+
+		if (mknod(fullname, chrdev ? S_IFCHR : S_IFBLK, makedev(major, minor)) == -1) {
+			com_err("rdump", errno, "while creating %s device file %s", (chrdev ? "character" : "block"), fullname);
+			goto errout;
+		}
+		fix_perms("rdump", inode, -1, fullname);
+	} else if (LINUX_S_ISFIFO(inode->i_mode)) {
+		if (mknod(fullname, S_IFIFO, 0) == -1) {
+			com_err("rdump", errno, "while creating FIFO %s", fullname);
+			goto errout;
+		}
+		fix_perms("rdump", inode, -1, fullname);
+	} else if (LINUX_S_ISSOCK(inode->i_mode)) {
+		com_err("rdump", 0, "skipping creating socket file %s (not supported yet)", fullname);
+	} else {
+		com_err("rdump", 0, "skipping creating file of unknown type %s (not supported yet)", fullname);
 	}
-	/* else do nothing (don't dump device files, sockets, fifos, etc.) */
 
 errout:
 	free(fullname);