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acl_xattr and acl_tdb module.
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Jeremy.
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they can't be mapped.
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This will reduce the noise from merges of the rest of the
libcli/security code, without this commit changing what code
is actually used.
This includes (along with other security headers) dom_sid.h and
security_token.h
Andrew Bartlett
Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Tue Oct 12 05:54:10 UTC 2010 on sn-devel-104
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missing owner/group.
Jeremy.
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of security descriptors.
As pointed out by an OEM, the code within smbd/posix_acl.c, even though passed
a const pointer to a security descriptor, still modifies the ACE entries within
it (which are not const pointers).
This means ACLs stored in the extended attribute by the acl_xattr module have
already been modified by the POSIX acl layer, and are not the original intent
of storing the "unmodified" ACL from the client.
Use dup_sec_desc to make a copy of the incoming ACL on talloc_tos() - that
is what is then modified inside smbd/posix_acl.c, leaving the original ACL
to be correctly stored in the xattr.
Jeremy.
Autobuild-User: Jeremy Allison <jra@samba.org>
Autobuild-Date: Fri Oct 8 00:37:53 UTC 2010 on sn-devel-104
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Guenther
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This new call is available in the merged privileges code, and
takes an enum as the parameter, rather than a bitmask.
Andrew Bartlett
Signed-off-by: Andrew Tridgell <tridge@samba.org>
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Karolin
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Guenther
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Guenther
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Guenther
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Guenther
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Guenther
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This matches the structure that new code is being written to,
and removes one more of the old-style named structures, and
the need to know that is is just an alias for struct dom_sid.
Andrew Bartlett
Signed-off-by: Günther Deschner <gd@samba.org>
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Guenther
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Guenther
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Guenther
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Jeremy.
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Jeremy.
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"current_user.XXX"
Will allow me to replace them with accessor functions.
Jeremy.
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struct current_user current_user;"."
As requested by Volker, split this into smaller commits.
Jeremy.
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Use accessor functions to get to this value. Tidies up much of
the user context code. Volker, please look at the changes in smbd/uid.c
to familiarize yourself with these changes as I think they make the
logic in there cleaner.
Cause smbd/posix_acls.c code to look at current user context, not
stored context on the conn struct - allows correct use of these
function calls under a become_root()/unbecome_root() pair.
Jeremy.
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(cherry picked from commit 365b408c458c848a818637d9b36a0423aeb1ba54)
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rights fails even if the delete right is set on the object.
Final fix for the vfs_acl_xattr and vfs_acl_tdb code.
Ensure we can delete a file even if the underlying POSIX
permissions don't allow it, if the Windows permissions do.
Jeremy.
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This bug re-occurred for 3.3.x and above.
The reason is that to change a NT ACL we now have to open the file requesting
WRITE_DAC and WRITE_OWNER access. The mapping from POSIX "w" to NT permissions
in posix_acls doesn't add these bits when "dos filemode = yes", so even though
the permission or owner change would be allowed by the POSIX ACL code, the
NTCreateX call fails with ACCESS_DENIED now we always check NT permissions
first.
Added in the mapping from "w" to WRITE_DAC and WRITE_OWNER access.
Jeremy.
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struct in the fsp->fsp_name pointer incorrectly for a directory.
Fix this. Make map_canon_ace_perms() public.
Jeremy.
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In very hot codepaths like the statcache copy_smb_filename and the subsequent
recursive talloc_free is noticable in the CPU load.
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with Bad File Descriptor.
Jeremy.
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Based on a patch submitted by Tsukasa Hamano <hamano@osstech.co.jp>,
this is a change in the POSIX ACL mapping to deal with the lossy
mapping for directory ACE entries:
We have a lossy mapping: directory ACE entries
CREATOR_OWNER ------\
(map to) +---> SMB_ACL_USER_OBJ
owning sid ------/
CREATOR_GROUP ------\
(map to) +---> SMB_ACL_GROUP_OBJ
primary group sid --/
on set. And on read of a directory ACL
SMB_ACL_USER_OBJ ----> CREATOR_OWNER
SMB_ACL_GROUP_OBJ ---> CREATOR_GROUP.
Deal with this on set by duplicating
owning sid and primary group sid ACE
entries into the directory ACL.
Jeremy.
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The code to read the new V2 SAMBA_PAI entries had
two errors.
Jeremy.
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function vfs_stat_fsp(). Stops code looking at fsp->posix_open
except for exceptional circumstances.
Jeremy.
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Jeremy.
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Jeremy.
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metze
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Jeremy.
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This patch introduces two new temporary helper functions
vfs_stat_smb_fname and vfs_lstat_smb_fname. They basically allowed me
to call the new smb_filename version of stat, while avoiding plumbing
it through callers that are still too inconvenient. As the conversion
moves along, I will be able to remove callers of this, with the goal
being to remove all callers.
There was also a bug in create_synthetic_smb_fname_split (also a
temporary utility function) that caused it to incorrectly handle
filenames with ':'s in them when in posix mode. This is now fixed.
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down from above (as const).
Jeremy.
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Fix a couple more unix_convert uses to filename_convert.
Fix bug in acl_group_override() where an uninitialized
struct could be used. Move unix_convert with wildcard
use in SMBsearch reply to boilerplate code.
Jeremy.
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This patch introduces
struct stat_ex {
dev_t st_ex_dev;
ino_t st_ex_ino;
mode_t st_ex_mode;
nlink_t st_ex_nlink;
uid_t st_ex_uid;
gid_t st_ex_gid;
dev_t st_ex_rdev;
off_t st_ex_size;
struct timespec st_ex_atime;
struct timespec st_ex_mtime;
struct timespec st_ex_ctime;
struct timespec st_ex_btime; /* birthtime */
blksize_t st_ex_blksize;
blkcnt_t st_ex_blocks;
};
typedef struct stat_ex SMB_STRUCT_STAT;
It is really large because due to the friendly libc headers playing macro
tricks with fields like st_ino, so I renamed them to st_ex_xxx.
Why this change? To support birthtime, we already have quite a few #ifdef's at
places where it does not really belong. With a stat struct that we control, we
can consolidate the nanosecond timestamps and the birthtime deep in the VFS
stat calls.
At this moment it is triggered by a request to support the birthtime field for
GPFS. GPFS does not extend the system level struct stat, but instead has a
separate call that gets us the additional information beyond posix. Without
being able to do that within the VFS stat calls, that support would have to be
scattered around the main smbd code.
It will very likely break all the onefs modules, but I think the changes will
be reasonably easy to do.
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not reliable for winbindd users from foreign domains.
Jeremy.
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owner (bug#2346)
The problem of bug #2346 remains for users exported by
winbindd, because create_token_from_username() just fakes
the token when the user is not in the local sam domain. This causes
user_in_group_sid() to give totally wrong results.
In uid_entry_in_group() we need to check if we already
have the full unix token in the current_user struct.
If so we should use the current_user unix token,
instead of doing a very complex user_in_group_sid()
which doesn't give reliable results anyway.
metze
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Always add back the real original owner of the directory in the ACE List after
we steal its ACE for the Administrators group.
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