lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Date:	Fri, 27 Dec 2013 04:09:00 -0500
From:	Robert Yang <liezhi.yang@...driver.com>
To:	<tytso@....edu>, <dvhart@...ux.intel.com>
CC:	<linux-ext4@...r.kernel.org>
Subject: [PATCH V3 06/11] misc/create_inode.c: create directory

The do_mkdir_internal() is used for making dir on the target fs, most of
the code are from debugfs/debugfs.c, the debugfs/debugfs.c will be
modified to use this function.

Signed-off-by: Robert Yang <liezhi.yang@...driver.com>
Reviewed-by: Darren Hart <dvhart@...ux.intel.com>
---
 misc/create_inode.c |   31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/misc/create_inode.c b/misc/create_inode.c
index cea0109..15d0f17 100644
--- a/misc/create_inode.c
+++ b/misc/create_inode.c
@@ -135,6 +135,37 @@ try_again:
 /* Make a directory in the fs */
 errcode_t do_mkdir_internal(ext2_ino_t cwd, const char *name, struct stat *st)
 {
+	char			*cp;
+	ext2_ino_t		parent_ino, ino;
+	errcode_t		retval;
+	struct ext2_inode	inode;
+
+
+	cp = strrchr(name, '/');
+	if (cp) {
+		*cp = 0;
+		if ((retval =  ext2fs_namei(current_fs, root, cwd, name, &parent_ino))){
+			com_err(name, retval, 0);
+			return retval;
+		}
+		name = cp+1;
+	} else
+		parent_ino = cwd;
+
+try_again:
+	retval = ext2fs_mkdir(current_fs, parent_ino, 0, name);
+	if (retval == EXT2_ET_DIR_NO_SPACE) {
+		retval = ext2fs_expand_dir(current_fs, parent_ino);
+		if (retval) {
+			com_err(__func__, retval, "while expanding directory");
+			return retval;
+		}
+		goto try_again;
+	}
+	if (retval) {
+		com_err("ext2fs_mkdir", retval, 0);
+		return retval;
+	}
 }
 
 static errcode_t copy_file(int fd, ext2_ino_t newfile, int bufsize, int make_holes)
-- 
1.7.10.4

--
To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Powered by blists - more mailing lists