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authorEric W. Biederman <ebiederm@xmission.com>2013-02-02 04:16:08 -0800
committerEric W. Biederman <ebiederm@xmission.com>2013-02-13 06:16:04 -0800
commit458878a705c822a6be267977e435b16576bde59b (patch)
tree95d2272183c41cd999eda74b9f90c16f46533105 /fs/nfsd/nfs3xdr.c
parente097258f2eb4a91e7389ae69a3c87df111637a3f (diff)
nfsd: Convert nfs3xdr to use kuids and kgids
When reading uids and gids off the wire convert them to kuids and kgids. When putting kuids and kgids onto the wire first convert them to uids and gids the other side will understand. Cc: "J. Bruce Fields" <bfields@fieldses.org> Cc: Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'fs/nfsd/nfs3xdr.c')
-rw-r--r--fs/nfsd/nfs3xdr.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index 1884a3fbb584..925c944bc0bc 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -105,12 +105,14 @@ decode_sattr3(__be32 *p, struct iattr *iap)
iap->ia_mode = ntohl(*p++);
}
if (*p++) {
- iap->ia_valid |= ATTR_UID;
- iap->ia_uid = ntohl(*p++);
+ iap->ia_uid = make_kuid(&init_user_ns, ntohl(*p++));
+ if (uid_valid(iap->ia_uid))
+ iap->ia_valid |= ATTR_UID;
}
if (*p++) {
- iap->ia_valid |= ATTR_GID;
- iap->ia_gid = ntohl(*p++);
+ iap->ia_gid = make_kgid(&init_user_ns, ntohl(*p++));
+ if (gid_valid(iap->ia_gid))
+ iap->ia_valid |= ATTR_GID;
}
if (*p++) {
u64 newsize;
@@ -167,8 +169,8 @@ encode_fattr3(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp,
*p++ = htonl(nfs3_ftypes[(stat->mode & S_IFMT) >> 12]);
*p++ = htonl((u32) stat->mode);
*p++ = htonl((u32) stat->nlink);
- *p++ = htonl((u32) stat->uid);
- *p++ = htonl((u32) stat->gid);
+ *p++ = htonl((u32) from_kuid(&init_user_ns, stat->uid));
+ *p++ = htonl((u32) from_kgid(&init_user_ns, stat->gid));
if (S_ISLNK(stat->mode) && stat->size > NFS3_MAXPATHLEN) {
p = xdr_encode_hyper(p, (u64) NFS3_MAXPATHLEN);
} else {