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authorJ. Bruce Fields <bfields@citi.umich.edu>2008-04-24 16:59:30 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2008-04-25 13:00:11 -0400
commite36cd4a2873c398ba188f16e4087cce7f00a1506 (patch)
tree60dcaba46a18d9f60e6a0514542a35a81f059cee /fs
parentc272cca625ab507e7cc23708ee5c64d2f384708f (diff)
nfsd: don't allow setting ctime over v4
Presumably this is left over from earlier drafts of v4, which listed TIME_METADATA as writeable. It's read-only in rfc 3530, and shouldn't be modifiable anyway. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4xdr.c14
1 files changed, 0 insertions, 14 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c
index 1ba7ad981935..c513bbdf2d36 100644
--- a/fs/nfsd/nfs4xdr.c
+++ b/fs/nfsd/nfs4xdr.c
@@ -376,20 +376,6 @@ nfsd4_decode_fattr(struct nfsd4_compoundargs *argp, u32 *bmval, struct iattr *ia
376 goto xdr_error; 376 goto xdr_error;
377 } 377 }
378 } 378 }
379 if (bmval[1] & FATTR4_WORD1_TIME_METADATA) {
380 /* We require the high 32 bits of 'seconds' to be 0, and we ignore
381 all 32 bits of 'nseconds'. */
382 READ_BUF(12);
383 len += 12;
384 READ32(dummy32);
385 if (dummy32)
386 return nfserr_inval;
387 READ32(iattr->ia_ctime.tv_sec);
388 READ32(iattr->ia_ctime.tv_nsec);
389 if (iattr->ia_ctime.tv_nsec >= (u32)1000000000)
390 return nfserr_inval;
391 iattr->ia_valid |= ATTR_CTIME;
392 }
393 if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) { 379 if (bmval[1] & FATTR4_WORD1_TIME_MODIFY_SET) {
394 READ_BUF(4); 380 READ_BUF(4);
395 len += 4; 381 len += 4;