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authorJ. Bruce Fields <bfields@fieldses.org>2006-11-08 17:44:40 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-11-08 18:29:23 -0800
commit81ac95c5569d7a60ab5db6c1ccec56c12b3ebcb5 (patch)
treec28ac039697a462527e2aedc4f0c7575d76fbbb1 /fs/nfsd/nfs4proc.c
parentaf85852de0b32d92b14295aa6f5ba3a9ad044cf6 (diff)
[PATCH] nfsd4: fix open-create permissions
In the case where an open creates the file, we shouldn't be rechecking permissions to open the file; the open succeeds regardless of what the new file's mode bits say. This patch fixes the problem, but only by introducing yet another parameter to nfsd_create_v3. This is ugly. This will be fixed by later patches. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Acked-by: Neil Brown <neilb@suse.de> Cc: Jeff Garzik <jeff@garzik.org> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/nfsd/nfs4proc.c')
-rw-r--r--fs/nfsd/nfs4proc.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 4a73f5b2546..50bc94243ca 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -93,6 +93,7 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o
{
struct svc_fh resfh;
__be32 status;
+ int created = 0;
fh_init(&resfh, NFS4_FHSIZE);
open->op_truncate = 0;
@@ -105,7 +106,7 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o
status = nfsd_create_v3(rqstp, current_fh, open->op_fname.data,
open->op_fname.len, &open->op_iattr,
&resfh, open->op_createmode,
- (u32 *)open->op_verf.data, &open->op_truncate);
+ (u32 *)open->op_verf.data, &open->op_truncate, &created);
} else {
status = nfsd_lookup(rqstp, current_fh,
open->op_fname.data, open->op_fname.len, &resfh);
@@ -122,7 +123,8 @@ do_open_lookup(struct svc_rqst *rqstp, struct svc_fh *current_fh, struct nfsd4_o
memcpy(open->op_stateowner->so_replay.rp_openfh,
&resfh.fh_handle.fh_base, resfh.fh_handle.fh_size);
- status = do_open_permission(rqstp, current_fh, open, MAY_NOP);
+ if (!created)
+ status = do_open_permission(rqstp, current_fh, open, MAY_NOP);
out:
fh_put(&resfh);