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From: "Eric W. Biederman" <ebiederm@xmission.com>
To: <linux-security-module@vger.kernel.org>
Cc: <linux-kernel@vger.kernel.org>, Serge Hallyn <serge@hallyn.com>,
	Linux Containers <containers@lists.linux-foundation.org>,
	"Eric W. Biederman" <ebiederm@xmission.com>,
	Jeff Dike <jdike@addtoit.com>,
	Richard Weinberger <richard@nod.at>
Subject: [PATCH 05/14] userns: Convert hostfs to use kuid and kgid where appropriate
Date: Thu, 20 Sep 2012 17:28:41 -0700	[thread overview]
Message-ID: <1348187330-6616-5-git-send-email-ebiederm@xmission.com> (raw)
In-Reply-To: <1348187330-6616-1-git-send-email-ebiederm@xmission.com>

From: "Eric W. Biederman" <ebiederm@xmission.com>

Cc: Jeff Dike <jdike@addtoit.com>
Cc: Richard Weinberger <richard@nod.at>
Acked-by: Serge Hallyn <serge.hallyn@canonical.com>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
---
 fs/hostfs/hostfs_kern.c |    8 ++++----
 init/Kconfig            |    2 --
 2 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 1241465..6c9f3a9 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -542,8 +542,8 @@ static int read_name(struct inode *ino, char *name)
 	ino->i_ino = st.ino;
 	ino->i_mode = st.mode;
 	set_nlink(ino, st.nlink);
-	ino->i_uid = st.uid;
-	ino->i_gid = st.gid;
+	i_uid_write(ino, st.uid);
+	i_gid_write(ino, st.gid);
 	ino->i_atime = st.atime;
 	ino->i_mtime = st.mtime;
 	ino->i_ctime = st.ctime;
@@ -808,11 +808,11 @@ int hostfs_setattr(struct dentry *dentry, struct iattr *attr)
 	}
 	if (attr->ia_valid & ATTR_UID) {
 		attrs.ia_valid |= HOSTFS_ATTR_UID;
-		attrs.ia_uid = attr->ia_uid;
+		attrs.ia_uid = from_kuid(&init_user_ns, attr->ia_uid);
 	}
 	if (attr->ia_valid & ATTR_GID) {
 		attrs.ia_valid |= HOSTFS_ATTR_GID;
-		attrs.ia_gid = attr->ia_gid;
+		attrs.ia_gid = from_kgid(&init_user_ns, attr->ia_gid);
 	}
 	if (attr->ia_valid & ATTR_SIZE) {
 		attrs.ia_valid |= HOSTFS_ATTR_SIZE;
diff --git a/init/Kconfig b/init/Kconfig
index 381f765..8450442 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -957,8 +957,6 @@ config UIDGID_CONVERTED
 	depends on UFS_FS = n
 	depends on XFS_FS = n
 
-	depends on !UML || HOSTFS = n
-
 	# The rare drivers that won't build
 	depends on ANDROID_BINDER_IPC = n
 
-- 
1.7.5.4


  parent reply	other threads:[~2012-09-21  0:29 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-09-21  0:26 [REVIEW][PATCH 00/14] userns: Miscelanous conversions Eric W. Biederman
2012-09-21  0:28 ` [PATCH 01/14] userns: Convert loop to use kuid_t instead of uid_t Eric W. Biederman
2012-09-21  0:28   ` [PATCH 02/14] userns: Convert apparmor to use kuid and kgid where appropriate Eric W. Biederman
2012-09-21  0:28   ` [PATCH 03/14] userns: Convert tomoyo " Eric W. Biederman
2012-09-21  0:28   ` [PATCH 04/14] userns: Convert selinux " Eric W. Biederman
2012-09-26 17:51     ` Serge Hallyn
2012-09-21  0:28   ` Eric W. Biederman [this message]
2012-09-23 21:59     ` [PATCH 05/14] userns: Convert hostfs " Richard Weinberger
2012-09-24  2:39       ` Eric W. Biederman
2012-09-24 14:55       ` Serge Hallyn
2012-09-21  0:28   ` [PATCH 06/14] userns: Convert EVM to deal with kuids and kgids in it's hmac computation Eric W. Biederman
2012-09-21  0:28   ` [PATCH 07/14] userns: Add user namespace support to IMA Eric W. Biederman
2012-09-21  0:28   ` [PATCH 08/14] userns: Teach security_path_chown to take kuids and kgids Eric W. Biederman
2012-09-21  0:28   ` [PATCH 09/14] userns: Convert binder ipc to use kuids Eric W. Biederman
2012-09-21  6:44     ` Greg Kroah-Hartman
2012-09-21  0:28   ` [PATCH 10/14] userns: Convert s390 hypfs to use kuid and kgid where appropriate Eric W. Biederman
2012-09-26 17:52     ` Serge Hallyn
2012-09-21  0:28   ` [PATCH 11/14] userns: Convert s390 getting uid and gid system calls to use kuid and kgid Eric W. Biederman
2012-09-26 17:59     ` Serge Hallyn
2012-09-21  0:28   ` [PATCH 12/14] userns: On ppc convert current_uid from a kuid before printing Eric W. Biederman
2012-09-26 17:56     ` Serge Hallyn
2012-09-21  0:28   ` [PATCH 13/14] userns: On ia64 deal with current_uid and current_gid being kuid and kgid Eric W. Biederman
2012-09-26 17:55     ` Serge Hallyn
2012-09-21  0:28   ` [PATCH 14/14] userns: On alpha modify linux_to_osf_stat to use convert from kuids and kgids Eric W. Biederman
2012-09-21  6:07   ` [PATCH 01/14] userns: Convert loop to use kuid_t instead of uid_t Jens Axboe
2012-09-21  7:07     ` Eric W. Biederman
2012-09-21  7:11       ` Jens Axboe
2012-09-21  7:19         ` Eric W. Biederman

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