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linux/fs/cifs
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Christian Brauner dc1af4c4b4
cifs: implement set acl method 
The current way of setting and getting posix acls through the generic
xattr interface is error prone and type unsafe. The vfs needs to
interpret and fixup posix acls before storing or reporting it to
userspace. Various hacks exist to make this work. The code is hard to
understand and difficult to maintain in it's current form. Instead of
making this work by hacking posix acls through xattr handlers we are
building a dedicated posix acl api around the get and set inode
operations. This removes a lot of hackiness and makes the codepaths
easier to maintain. A lot of background can be found in [1].

In order to build a type safe posix api around get and set acl we need
all filesystem to implement get and set acl.

So far cifs wasn't able to implement get and set acl inode operations
because it needs access to the dentry. Now that we extended the set acl
inode operation to take a dentry argument and added a new get acl inode
operation that takes a dentry argument we can let cifs implement get and
set acl inode operations.

This is mostly a copy and paste of the codepaths currently used in cifs'
posix acl xattr handler. After we have fully implemented the posix acl
api and switched the vfs over to it, the cifs specific posix acl xattr
handler and associated code will be removed and the code duplication
will go away.

Note, until the vfs has been switched to the new posix acl api this
patch is a non-functional change.

Link: https://lore.kernel.org/all/20220801145520.1532837-1-brauner@kernel.org [1]
Signed-off-by: Christian Brauner (Microsoft) <brauner@kernel.org>
2022-10-20 10:13:28 +02:00
..
asn1.c cifs: decoding negTokenInit with generic ASN1 decoder 2021-06-20 21:28:17 -05:00
cached_dir.c cifs: find and use the dentry for cached non-root directories also 2022-10-13 09:36:39 -05:00
cached_dir.h cifs: enable caching of directories for which a lease is held 2022-10-13 09:36:39 -05:00
cifs_debug.c smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
cifs_debug.h smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
cifs_dfs_ref.c cifs: support nested dfs links over reconnect 2021-11-10 16:30:13 -06:00
cifs_fs_sb.h cifs: support nested dfs links over reconnect 2021-11-10 16:30:13 -06:00
cifs_ioctl.h smb3: improve SMB3 change notification support 2022-10-15 10:05:53 -05:00
cifs_spnego_negtokeninit.asn1 cifs: decoding negTokenInit with generic ASN1 decoder 2021-06-20 21:28:17 -05:00
cifs_spnego.c cifs: use the chans_need_reconnect bitmap for reconnect status 2022-01-02 20:38:46 -06:00
cifs_spnego.h cifs: use the chans_need_reconnect bitmap for reconnect status 2022-01-02 20:38:46 -06:00
cifs_swn.c smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
cifs_swn.h cifs: simplify SWN code with dummy funcs instead of ifdefs 2021-04-25 16:28:22 -05:00
cifs_unicode.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
cifs_unicode.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cifs_uniupr.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
cifsacl.c cifs: implement set acl method 2022-10-20 10:13:28 +02:00
cifsacl.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
cifsencrypt.c cifs: secmech: use shash_desc directly, remove sdesc 2022-10-07 23:08:39 -05:00
cifsfs.c cifs: implement set acl method 2022-10-20 10:13:28 +02:00
cifsfs.h cifs: update internal module number 2022-09-14 04:00:06 -05:00
cifsglob.h smb3: improve SMB3 change notification support 2022-10-15 10:05:53 -05:00
cifspdu.h cifs: Replace a couple of one-element arrays with flexible-array members 2022-10-05 17:42:38 -05:00
cifsproto.h cifs: implement set acl method 2022-10-20 10:13:28 +02:00
cifsroot.c cifs: move from strlcpy with unused retval to strscpy 2022-08-19 11:02:26 -05:00
cifssmb.c cifs: implement set acl method 2022-10-20 10:13:28 +02:00
connect.c cifs: use ALIGN() and round_up() macros 2022-10-13 09:36:39 -05:00
dfs_cache.c smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
dfs_cache.h cifs: support share failover when remounting 2021-07-22 11:43:23 -05:00
dir.c cifs: lease key is uninitialized in smb1 paths 2022-10-15 10:05:53 -05:00
dns_resolve.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
dns_resolve.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
export.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
file.c cifs: lease key is uninitialized in two additional functions when smb1 2022-10-15 10:05:53 -05:00
fs_context.c cifs: replace kfree() with kfree_sensitive() for sensitive data 2022-10-07 23:06:48 -05:00
fs_context.h smb3: allow deferred close timeout to be configurable 2022-08-11 20:03:04 -05:00
fscache.c smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
fscache.h cifs: Remove {cifs,nfs}_fscache_release_page() 2022-08-10 21:26:08 -05:00
inode.c cifs: enable caching of directories for which a lease is held 2022-10-13 09:36:39 -05:00
ioctl.c smb3: improve SMB3 change notification support 2022-10-15 10:05:53 -05:00
Kconfig cifs: Support fscache indexing rewrite 2022-01-19 11:21:08 -06:00
link.c cifs: improve symlink handling for smb2+ 2022-10-13 09:36:04 -05:00
Makefile cifs: Move cached-dir functions into a separate file 2022-08-11 10:33:18 -05:00
misc.c cifs: secmech: use shash_desc directly, remove sdesc 2022-10-07 23:08:39 -05:00
netlink.c genetlink: start to validate reserved header bytes 2022-08-29 12:47:15 +01:00
netlink.h cifs: Register generic netlink family 2020-12-14 09:16:22 -06:00
netmisc.c cifs: remove unused server parameter from calc_smb_size() 2022-08-17 18:07:13 -05:00
nterr.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
nterr.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
ntlmssp.h treewide: Replace zero-length arrays with flexible-array members 2022-02-17 07:00:39 -06:00
readdir.c cifs: improve symlink handling for smb2+ 2022-10-13 09:36:04 -05:00
rfc1002pdu.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
sess.c cifs: fix double-fault crash during ntlmssp 2022-10-15 10:04:38 -05:00
smb1ops.c cifs: improve symlink handling for smb2+ 2022-10-13 09:36:04 -05:00
smb2file.c cifs: fix static checker warning 2022-10-14 12:35:25 -05:00
smb2glob.h smb3: move defines for ioctl protocol header and SMB2 sizes to smbfs_common 2022-03-26 23:09:20 -05:00
smb2inode.c cifs: fix uninitialised var in smb2_compound_op() 2022-10-13 09:36:38 -05:00
smb2maperror.c cifs: Create a new shared file holding smb2 pdu definitions 2021-11-05 09:50:57 -05:00
smb2misc.c cifs: use ALIGN() and round_up() macros 2022-10-13 09:36:39 -05:00
smb2ops.c smb3: improve SMB3 change notification support 2022-10-15 10:05:53 -05:00
smb2pdu.c smb3: improve SMB3 change notification support 2022-10-15 10:05:53 -05:00
smb2pdu.h cifs: improve symlink handling for smb2+ 2022-10-13 09:36:04 -05:00
smb2proto.h smb3: improve SMB3 change notification support 2022-10-15 10:05:53 -05:00
smb2status.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
smb2transport.c smb3: fix oops in calculating shash_setkey 2022-10-07 23:08:41 -05:00
smbdirect.c Fix formatting of client smbdirect RDMA logging 2022-10-05 01:31:04 -05:00
smbdirect.h Decrease the number of SMB3 smbdirect client SGEs 2022-10-05 01:29:21 -05:00
smbencrypt.c cifs: rename cifs_common to smbfs_common 2021-09-08 23:59:26 -05:00
smberr.h cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
trace.c smb3: Cleanup license mess 2019-01-24 09:37:33 -06:00
trace.h smb3: add dynamic trace points for tree disconnect 2022-10-05 01:31:18 -05:00
transport.c Scheduler changes for v6.1: 2022-10-10 09:10:28 -07:00
unc.c cifs: don't cargo-cult strndup() 2021-04-25 16:28:23 -05:00
winucase.c cifs: remove pathname for file from SPDX header 2021-09-13 14:51:10 -05:00
xattr.c cifs: when insecure legacy is disabled shrink amount of SMB1 code 2022-08-05 11:24:03 -05:00