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6168f62cbd
linux/fs/nfs
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Weston Andros Adamson 6168f62cbd NFSv4: Add ACCESS operation to OPEN compound 
The OPEN operation has no way to differentiate an open for read and an
open for execution - both look like read to the server. This allowed
users to read files that didn't have READ access but did have EXEC access,
which is obviously wrong.

This patch adds an ACCESS call to the OPEN compound to handle the
difference between OPENs for reading and execution.  Since we're going
through the trouble of calling ACCESS, we check all possible access bits
and cache the results hopefully avoiding an ACCESS call in the future.

Signed-off-by: Weston Andros Adamson <dros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2012-10-01 15:20:11 -07:00
..
blocklayout NFSv4.1: Replace get_device_info() with filelayout_get_device_info() 2012-09-28 16:03:08 -04:00
objlayout pnfs-obj: Better IO pattern in case of unaligned offset 2012-08-02 17:42:51 -04:00
cache_lib.c NFS: remove RPC PipeFS mount point references from NFS cache routines 2012-01-31 18:20:26 -05:00
cache_lib.h NFS: DNS resolver PipeFS notifier introduced 2012-01-31 18:20:26 -05:00
callback_proc.c NFSv4.1: Clean up the removal of pnfs_layout_hdr from the server list 2012-09-28 16:03:14 -04:00
callback_xdr.c SUNRPC: service request network namespace helper introduced 2012-07-27 16:49:21 -04:00
callback.c nfs: increase number of permitted callback connections. 2012-07-31 12:33:29 -04:00
callback.h NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
client.c NFS: Fix a regression when loading the NFS v4 module 2012-08-16 16:15:49 -04:00
delegation.c NFS: Create a return_delegation rpc op 2012-06-29 11:46:45 -04:00
delegation.h NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
dir.c NFSv4: Add ACCESS operation to OPEN compound 2012-10-01 15:20:11 -07:00
direct.c NFS: Convert nfs_get_lock_context to return an ERR_PTR on failure 2012-09-28 16:03:03 -04:00
dns_resolve.c NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
dns_resolve.h NFS: DNS resolver cache per network namespace context introduced 2012-01-31 18:20:26 -05:00
file.c NFS: Write the entire file if a server reboot occurs during fsync() 2012-09-28 16:03:05 -04:00
fscache-index.c NFS: Use the inode->i_version to cache NFSv4 change attribute information 2011-10-18 09:14:34 -07:00
fscache.c NFS: Don't pass mount data to nfs_fscache_get_super_cookie() 2012-05-14 17:30:26 -07:00
fscache.h NFS: Fix a compile issue when CONFIG_NFS_FSCACHE was undefined 2012-05-16 10:24:20 -07:00
getroot.c NFS: Move the v4 getroot code to nfs4getroot.c 2012-07-17 13:33:51 -04:00
idmap.c NFS: Use kzalloc() instead of kmalloc() in the idmapper 2012-10-01 15:18:44 -07:00
inode.c NFS: Clean up helper function nfs4_select_rw_stateid() 2012-09-28 16:03:04 -04:00
internal.h Merge branch 'akpm' (Andrew's patch-bomb) 2012-07-31 19:25:39 -07:00
iostat.h NFS: Squelch compiler warning in nfs_add_server_stats() 2010-05-14 15:09:31 -04:00
Kconfig Merge branch 'akpm' (Andrew's patch-bomb) 2012-07-31 19:25:39 -07:00
Makefile NFS: Fix a regression when loading the NFS v4 module 2012-08-16 16:15:49 -04:00
mount_clnt.c SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG 2012-03-20 13:08:26 -04:00
namespace.c NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
netns.h NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
nfs2super.c NFS: Convert v2 into a module 2012-07-30 19:06:41 -04:00
nfs2xdr.c NFS: Let xdr_read_pages() check for buffer overflows 2012-06-28 17:20:43 -04:00
nfs3acl.c NFS: Fix a number of sparse warnings 2012-03-11 15:14:16 -04:00
nfs3client.c NFS: Only initialize the ACL client in the v3 case 2012-07-30 19:05:54 -04:00
nfs3proc.c NFS: Fix the initialisation of the readdir 'cookieverf' array 2012-09-04 14:52:42 -04:00
nfs3super.c NFS: Convert v3 into a module 2012-07-30 19:06:46 -04:00
nfs3xdr.c NFS: Cleanup - only store the write verifier in struct nfs_page 2012-06-28 17:20:50 -04:00
nfs4_fs.h NFSv4.1: Simplify the pNFS return-on-close code 2012-09-28 16:03:12 -04:00
nfs4client.c NFSv4: Ensure that nfs4_alloc_client cleans up on error. 2012-08-20 12:12:29 -04:00
nfs4file.c NFS: Write the entire file if a server reboot occurs during fsync() 2012-09-28 16:03:05 -04:00
nfs4filelayout.c NFSv4.1: Get rid of the NFS_LAYOUT_DESTROYED state 2012-09-28 16:03:16 -04:00
nfs4filelayout.h NFSv4.1: Get rid of pNFS layout state "NFS_LAYOUT_INVALID" 2012-09-28 16:03:12 -04:00
nfs4filelayoutdev.c NFSv4.1: pNFS data servers may be temporarily offline 2012-09-28 16:03:09 -04:00
nfs4getroot.c NFS: Move the v4 getroot code to nfs4getroot.c 2012-07-17 13:33:51 -04:00
nfs4namespace.c NFS4: avoid underflow when converting error to pointer. 2012-09-25 10:38:54 -04:00
nfs4proc.c NFSv4: Add ACCESS operation to OPEN compound 2012-10-01 15:20:11 -07:00
nfs4renewd.c NFS: Add NFSDBG_STATE 2012-05-22 16:45:42 -04:00
nfs4state.c NFSv4.1: Simplify the pNFS return-on-close code 2012-09-28 16:03:12 -04:00
nfs4super.c NFS: Fix a regression when loading the NFS v4 module 2012-08-16 16:15:49 -04:00
nfs4sysctl.c NFS: Initialize v4 sysctls from nfs_init_v4() 2012-07-17 13:33:18 -04:00
nfs4xdr.c NFSv4: Add ACCESS operation to OPEN compound 2012-10-01 15:20:11 -07:00
nfs.h NFS: Convert v4 into a module 2012-07-30 19:06:52 -04:00
nfsroot.c SUNRPC/NFS: Add Kbuild dependencies for NFS_DEBUG/RPC_DEBUG 2012-03-20 13:08:26 -04:00
pagelist.c NFS: Clean up helper function nfs4_select_rw_stateid() 2012-09-28 16:03:04 -04:00
pnfs_dev.c NFSv4.1: pNFS data servers may be temporarily offline 2012-09-28 16:03:09 -04:00
pnfs.c NFSv4.1: _pnfs_return_layout() shouldn't invalidate the layout on failure 2012-09-28 16:03:18 -04:00
pnfs.h NFSv4.1: Remove the NFS_LAYOUT_RETURNED state 2012-09-28 16:03:17 -04:00
proc.c NFS: Only initialize the ACL client in the v3 case 2012-07-30 19:05:54 -04:00
read.c Merge branch 'akpm' (Andrew's patch-bomb) 2012-07-31 19:25:39 -07:00
super.c NFS: Fix a problem with the legacy binary mount code 2012-09-04 14:52:43 -04:00
symlink.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
sysctl.c NFS: Initialize v4 sysctls from nfs_init_v4() 2012-07-17 13:33:18 -04:00
unlink.c NFS: Create a return_delegation rpc op 2012-06-29 11:46:45 -04:00
write.c NFS: Fix fdatasync/fsync() when confronted with a server reboot 2012-09-28 16:03:05 -04:00