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authorDavid Quigley <dpquigl@davequigley.com>2013-05-02 13:19:10 -0400
committerJ. Bruce Fields <bfields@redhat.com>2013-05-15 09:27:02 -0400
commit18032ca062e621e15683cb61c066ef3dc5414a7b (patch)
tree18b061105452a5d47a85c0f693a151227ff3c02c /fs/nfsd/nfsd.h
parent4bdc33ed5bd9fbaa243bda6fdccb22674aed6305 (diff)
downloadlinux-18032ca062e621e15683cb61c066ef3dc5414a7b.tar.bz2
NFSD: Server implementation of MAC Labeling
Implement labeled NFS on the server: encoding and decoding, and writing and reading, of file labels. Enabled with CONFIG_NFSD_V4_SECURITY_LABEL. Signed-off-by: Matthew N. Dodd <Matthew.Dodd@sparta.com> Signed-off-by: Miguel Rodel Felipe <Rodel_FM@dsi.a-star.edu.sg> Signed-off-by: Phua Eu Gene <PHUA_Eu_Gene@dsi.a-star.edu.sg> Signed-off-by: Khin Mi Mi Aung <Mi_Mi_AUNG@dsi.a-star.edu.sg> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfsd.h')
-rw-r--r--fs/nfsd/nfsd.h18
1 files changed, 16 insertions, 2 deletions
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 15e7e1d531f0..2bbd94e51efc 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -328,6 +328,13 @@ void nfsd_lockd_shutdown(void);
#define NFSD4_1_SUPPORTED_ATTRS_WORD2 \
(NFSD4_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SUPPATTR_EXCLCREAT)
+#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
+#define NFSD4_2_SUPPORTED_ATTRS_WORD2 \
+ (NFSD4_1_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SECURITY_LABEL)
+#else
+#define NFSD4_2_SUPPORTED_ATTRS_WORD2 0
+#endif
+
static inline u32 nfsd_suppattrs0(u32 minorversion)
{
return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD0
@@ -342,8 +349,11 @@ static inline u32 nfsd_suppattrs1(u32 minorversion)
static inline u32 nfsd_suppattrs2(u32 minorversion)
{
- return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD2
- : NFSD4_SUPPORTED_ATTRS_WORD2;
+ switch (minorversion) {
+ default: return NFSD4_2_SUPPORTED_ATTRS_WORD2;
+ case 1: return NFSD4_1_SUPPORTED_ATTRS_WORD2;
+ case 0: return NFSD4_SUPPORTED_ATTRS_WORD2;
+ }
}
/* These will return ERR_INVAL if specified in GETATTR or READDIR. */
@@ -356,7 +366,11 @@ static inline u32 nfsd_suppattrs2(u32 minorversion)
#define NFSD_WRITEABLE_ATTRS_WORD1 \
(FATTR4_WORD1_MODE | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP \
| FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET)
+#ifdef CONFIG_NFSD_V4_SECURITY_LABEL
+#define NFSD_WRITEABLE_ATTRS_WORD2 FATTR4_WORD2_SECURITY_LABEL
+#else
#define NFSD_WRITEABLE_ATTRS_WORD2 0
+#endif
#define NFSD_SUPPATTR_EXCLCREAT_WORD0 \
NFSD_WRITEABLE_ATTRS_WORD0