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3bd858ab1c
linux/fs/gfs2
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Satyam Sharma 3bd858ab1c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 
Introduce is_owner_or_cap() macro in fs.h, and convert over relevant
users to it. This is done because we want to avoid bugs in the future
where we check for only effective fsuid of the current task against a
file's owning uid, without simultaneously checking for CAP_FOWNER as
well, thus violating its semantics.
[ XFS uses special macros and structures, and in general looked ...
untouchable, so we leave it alone -- but it has been looked over. ]

The (current->fsuid != inode->i_uid) check in generic_permission() and
exec_permission_lite() is left alone, because those operations are
covered by CAP_DAC_OVERRIDE and CAP_DAC_READ_SEARCH. Similarly operations
falling under the purview of CAP_CHOWN and CAP_LEASE are also left alone.

Signed-off-by: Satyam Sharma <ssatyam@cse.iitk.ac.in>
Cc: Al Viro <viro@ftp.linux.org.uk>
Acked-by: Serge E. Hallyn <serge@hallyn.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-07-17 12:00:03 -07:00
..
locking [GFS2] return conflicts for GETLK 2007-07-09 08:23:33 +01:00
acl.c Introduce is_owner_or_cap() to wrap CAP_FOWNER use with fsuid check 2007-07-17 12:00:03 -07:00
acl.h [GFS2] Remove gfs2_check_acl() 2006-11-30 10:37:32 -05:00
bmap.c [GFS2] Fix gfs2_block_truncate_page err return 2007-07-09 08:23:54 +01:00
bmap.h [GFS2] Fix bmap to map extents properly 2006-10-20 09:13:40 -04:00
daemon.c [GFS2] System won't suspend with GFS2 file system mounted 2007-07-09 08:24:04 +01:00
daemon.h [GFS2] Update copyright, tidy up incore.h 2006-09-01 11:05:15 -04:00
dir.c [GFS2] Obtaining no_formal_ino from directory entry 2007-07-09 08:24:08 +01:00
dir.h [GFS2] Clean up inode number handling 2007-07-09 08:22:24 +01:00
eaops.c Remove capability.h from mm.h 2007-07-16 09:05:45 -07:00
eaops.h [GFS2] Extended attribute code style changes 2006-09-05 13:15:18 -04:00
eattr.c [GFS2] Add nanosecond timestamp feature 2007-07-09 08:23:12 +01:00
eattr.h [GFS2] gfs2 misc endianness annotations 2006-11-30 10:33:46 -05:00
gfs2.h [GFS2] Update copyright, tidy up incore.h 2006-09-01 11:05:15 -04:00
glock.c [GFS2] Simplify multiple glock aquisition 2007-07-09 08:23:50 +01:00
glock.h [GFS2] Fix deallocation issues 2007-07-09 08:23:36 +01:00
glops.c [GFS2] flush the glock completely in inode_go_sync 2007-07-09 08:22:07 +01:00
glops.h [GFS2] Make headers compile on their own 2006-09-05 10:39:21 -04:00
incore.h [GFS2] assertion failure after writing to journaled file, umount 2007-07-09 08:23:47 +01:00
inode.c [GFS2] Remove i_mode passing from NFS File Handle 2007-07-09 08:24:11 +01:00
inode.h [GFS2] Remove i_mode passing from NFS File Handle 2007-07-09 08:24:11 +01:00
Kconfig [DLM/GFS2] indent help text 2007-02-05 13:38:20 -05:00
lm.c [PATCH] remove many unneeded #includes of sched.h 2007-02-14 08:09:54 -08:00
lm.h [GFS2] Use void * instead of typedef for locking module interface 2006-09-08 10:17:58 -04:00
locking.c [GFS2] Export lm_interface to kernel headers 2006-09-19 08:45:18 -04:00
log.c [GFS2] Small fixes to logging code 2007-07-09 15:43:07 +01:00
log.h [GFS2] Move gfs2_meta_syncfs() into log.c 2006-11-30 10:36:45 -05:00
lops.c [GFS2] Addendum to the journaled file/unmount patch 2007-07-09 08:23:52 +01:00
lops.h [GFS2] assertion failure after writing to journaled file, umount 2007-07-09 08:23:47 +01:00
main.c Remove SLAB_CTOR_CONSTRUCTOR 2007-05-17 05:23:04 -07:00
Makefile [GFS2] Fix sign problem in quota/statfs and cleanup _host structures 2007-07-09 08:23:10 +01:00
meta_io.c [GFS2] assertion failure after writing to journaled file, umount 2007-07-09 08:23:47 +01:00
meta_io.h [GFS2] Clean up inode number handling 2007-07-09 08:22:24 +01:00
mount.c [GFS2] remounting w/o acl option leaves acls enabled 2007-07-09 08:24:01 +01:00
mount.h [GFS2] Make headers compile on their own 2006-09-05 10:39:21 -04:00
ops_address.c [GFS2] Use zero_user_page() in stuffed_readpage() 2007-07-09 08:23:45 +01:00
ops_address.h [GFS2] Addendum patch 2 for gfs2_grow 2007-07-09 08:22:19 +01:00
ops_dentry.c [GFS2] Clean up inode number handling 2007-07-09 08:22:24 +01:00
ops_dentry.h [GFS2] Make headers compile on their own 2006-09-05 10:39:21 -04:00
ops_export.c knfsd: exportfs: add exportfs.h header 2007-07-17 10:23:06 -07:00
ops_file.c Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw 2007-07-10 13:56:13 -07:00
ops_file.h [GFS2] Only set inode flags when required 2006-11-30 10:34:45 -05:00
ops_fstype.c [GFS2] Obtaining no_formal_ino from directory entry 2007-07-09 08:24:08 +01:00
ops_fstype.h [GFS2] Fix sign problem in quota/statfs and cleanup _host structures 2007-07-09 08:23:10 +01:00
ops_inode.c [GFS2] inode size inconsistency 2007-07-09 08:23:59 +01:00
ops_inode.h [PATCH] mark struct inode_operations const 2 2007-02-12 09:48:46 -08:00
ops_super.c [GFS2] Fix deallocation issues 2007-07-09 08:23:36 +01:00
ops_super.h [PATCH] Mark struct super_operations const 2007-02-12 09:48:47 -08:00
ops_vm.c [GFS2] Fix sign problem in quota/statfs and cleanup _host structures 2007-07-09 08:23:10 +01:00
ops_vm.h [GFS2] Make headers compile on their own 2006-09-05 10:39:21 -04:00
quota.c [GFS2] Fix sign problem in quota/statfs and cleanup _host structures 2007-07-09 08:23:10 +01:00
quota.h [GFS2] Make headers compile on their own 2006-09-05 10:39:21 -04:00
recovery.c [GFS2] Fix sign problem in quota/statfs and cleanup _host structures 2007-07-09 08:23:10 +01:00
recovery.h [GFS2] split and annotate gfs2_log_head 2006-11-30 10:33:14 -05:00
rgrp.c [GFS2] Remove i_mode passing from NFS File Handle 2007-07-09 08:24:11 +01:00
rgrp.h [GFS2] Addendum patch 2 for gfs2_grow 2007-07-09 08:22:19 +01:00
super.c [GFS2] Fix sign problem in quota/statfs and cleanup _host structures 2007-07-09 08:23:10 +01:00
super.h [GFS2] Fix sign problem in quota/statfs and cleanup _host structures 2007-07-09 08:23:10 +01:00
sys.c remove "struct subsystem" as it is no longer needed 2007-05-02 18:57:59 -07:00
sys.h [GFS2] Make headers compile on their own 2006-09-05 10:39:21 -04:00
trans.c [GFS2] Export lm_interface to kernel headers 2006-09-19 08:45:18 -04:00
trans.h [GFS2] Make headers compile on their own 2006-09-05 10:39:21 -04:00
util.c [GFS2] Fix sign problem in quota/statfs and cleanup _host structures 2007-07-09 08:23:10 +01:00
util.h Merge master.kernel.org:/pub/scm/linux/kernel/git/steve/gfs2-2.6-nmw 2006-12-07 09:13:20 -08:00