- 02 Aug, 2010 33 commits
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Paul Moore authored
The sk_alloc_security() and sk_free_security() functions were only being called by the selinux_sk_alloc_security() and selinux_sk_free_security() functions so we just move the guts of the alloc/free routines to the callers and eliminate a layer of indirection. Signed-off-by:
Paul Moore <paul.moore@hp.com> Acked-by:
Eric Paris <eparis@redhat.com> Signed-off-by:
James Morris <jmorris@namei.org>
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Paul Moore authored
Consolidate the basic sockcreate_sid logic into a single helper function which allows us to do some cleanups in the related code. Signed-off-by:
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Paul Moore authored
Correct a problem where we weren't setting the peer label correctly on the client end of a pair of connected UNIX sockets. Signed-off-by:
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Tetsuo Handa authored
Pass "struct list_head" to tomoyo_add_to_gc() and bring list_del_rcu() to tomoyo_add_to_gc(). Signed-off-by:
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by:
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Tetsuo Handa authored
Read functions do not fail. Make them from int to void. Signed-off-by:
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Tetsuo Handa authored
Embed tomoyo_path_number_perm2() into tomoyo_path_number_perm(). Signed-off-by:
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Tetsuo Handa authored
Keyword strings are read-only. We can directly access them to reduce code size. Signed-off-by:
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Tetsuo Handa authored
If invalid combination of mount flags are given, it will be rejected later. Thus, no need for TOMOYO to reject invalid combination of mount flags. Signed-off-by:
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Tetsuo Handa authored
Use shorter name in order to make it easier to fix 80 columns limit. Signed-off-by:
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Tetsuo Handa authored
We can use callback function since parameters are passed via "const struct tomoyo_request_info". Signed-off-by:
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Tetsuo Handa authored
To make it possible to use callback function, pass parameters via "struct tomoyo_request_info". Signed-off-by:
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Tetsuo Handa authored
tomoyo_file_perm() and tomoyo_path_permission() are similar. We can embed tomoyo_file_perm() into tomoyo_path_permission(). Signed-off-by:
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Eric Paris authored
Move the range transition rule to a separate function, range_read(), rather than doing it all in policydb_read() Signed-off-by:
Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by:
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Tetsuo Handa authored
Use common code for elements using "struct list_head" + "bool" structure. Signed-off-by:
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Tetsuo Handa authored
Use common code for elements using "struct list_head" + "bool" structure. Signed-off-by:
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Tetsuo Handa authored
Use common "struct list_head" + "bool" structure. Signed-off-by:
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Tetsuo Handa authored
Use common "struct list_head" + "bool" + "u8" structure and use common code for elements using that structure. Signed-off-by:
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David Howells authored
Make /proc/keys check to see if the calling process possesses each key before performing the security check. The possession check can be skipped if the key doesn't have the possessor-view permission bit set. This causes the keys a process possesses to show up in /proc/keys, even if they don't have matching user/group/other view permissions. Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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David Howells authored
Authorise a process to perform keyctl_set_timeout() on an uninstantiated key if that process has the authorisation key for it. This allows the instantiator to set the timeout on a key it is instantiating - provided it does it before instantiating the key. For instance, the test upcall script provided with the keyutils package could be modified to set the expiry to an hour hence before instantiating the key: [/usr/share/keyutils/request-key-debug.sh] if [ "$3" != "neg" ] then + keyctl timeout $1 3600 keyctl instantiate $1 "Debug $3" $4 || exit 1 else Signed-off-by:
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Tetsuo Handa authored
This patch allows users to change access control mode for per-operation basis. This feature comes from non LSM version of TOMOYO which is designed for permitting users to use SELinux and TOMOYO at the same time. SELinux does not care filename in a directory whereas TOMOYO does. Change of filename can change how the file is used. For example, renaming index.txt to .htaccess will change how the file is used. Thus, letting SELinux to enforce read()/write()/mmap() etc. restriction and letting TOMOYO to enforce rename() restriction is an example usage of this feature. What is unfortunate for me is that currently LSM does not allow users to use SELinux and LSM version of TOMOYO at the same time... Signed-off-by:
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Tetsuo Handa authored
This patch allows users to aggregate programs which provide similar functionality (e.g. /usr/bin/vi and /usr/bin/emacs ). Signed-off-by:
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Tetsuo Handa authored
Some applications create and execute programs dynamically. We need to accept wildcard for execute permission because such programs contain random suffix in their filenames. This patch loosens up regulation of string parameters. Signed-off-by:
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Tetsuo Handa authored
Allow pathnames longer than 4000 bytes. Signed-off-by:
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Tetsuo Handa authored
Signed-off-by:
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Tetsuo Handa authored
When commit be6d3e56 "introduce new LSM hooks where vfsmount is available." was proposed, regarding security_path_truncate(), only "struct file *" argument (which AppArmor wanted to use) was removed. But length and time_attrs arguments are not used by TOMOYO nor AppArmor. Thus, let's remove these arguments. Signed-off-by:
Nick Piggin <npiggin@suse.de> Signed-off-by:
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Dan Carpenter authored
This patch removes some unneeded code for if opt_dentry is null because that can never happen. The function dereferences "opt_dentry" earlier when it checks "if (opt_dentry->d_parent == opt_dentry) {". That code was added in 2008. This function called from security_d_instantiate(). I checked all the places which call security_d_instantiate() and dentry is always non-null. I also checked the selinux version of this hook and there is a comment which says that dentry should be non-null if called from d_instantiate(). Signed-off-by:Dan Carpenter <error27@gmail.com> Acked-by:
Casey Schaufler <casey@schaufler-ca.com> Signed-off-by:
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Tetsuo Handa authored
security/tomoyo/common.c became too large to read. Signed-off-by:
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Tetsuo Handa authored
Since the behavior of the system is restricted by policy, we may need to update policy when you update packages. We need to update policy in the following cases. * The pathname of files has changed. * The dependency of files has changed. * The access permissions required has increased. The ideal way to update policy is to rebuild from the scratch using learning mode. But it is not desirable to change from enforcing mode to other mode if the system has once entered in production state. Suppose MAC could support per-application enforcing mode, the MAC becomes useless if an application that is not running in enforcing mode was cracked. For example, the whole system becomes vulnerable if only HTTP server application is running in learning mode to rebuild policy for the application. So, in TOMOYO Linux, updating policy is done while the system is running in enforcing mode. This patch implements "interactive enforcing mode" which allows administrators to judge whether to accept policy violation in enforcing mode or not. A demo movie is available at http://www.youtube.com/watch?v=b9q1Jo25LPA . Signed-off-by: -
Tetsuo Handa authored
mount(2) has three string and one numeric parameters. Split mount restriction code from security/tomoyo/file.c . Signed-off-by:
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Tetsuo Handa authored
Check numeric parameters for operations that deal them (e.g. chmod/chown/ioctl). Signed-off-by:
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Tetsuo Handa authored
Use "struct tomoyo_request_info" instead of passing individual arguments. Signed-off-by:
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Tetsuo Handa authored
This patch adds numeric values grouping support, which is useful for grouping numeric values such as file's UID, DAC's mode, ioctl()'s cmd number. Signed-off-by:
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Paul E. McKenney authored
Remove all rcu head inits. We don't care about the RCU head state before passing it to call_rcu() anyway. Only leave the "on_stack" variants so debugobjects can keep track of objects on stack. Signed-off-by:
Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Cc: Stephen Smalley <sds@tycho.nsa.gov> Reviewed-by:
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- 01 Aug, 2010 2 commits
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Linus Torvalds authored
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Trond Myklebust authored
nfs_commit_inode() needs to be defined irrespectively of whether or not we are supporting NFSv3 and NFSv4. Allow the compiler to optimise away code in the NFSv2-only case by converting it into an inlined stub function. Reported-and-tested-by:
Ingo Molnar <mingo@elte.hu> Signed-off-by:
Trond Myklebust <Trond.Myklebust@netapp.com> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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- 31 Jul, 2010 5 commits
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Linus Torvalds authored
* master.kernel.org:/home/rmk/linux-2.6-arm: cyber2000fb: fix console in truecolor modes cyber2000fb: fix machine hang on module load SA1111: Eliminate use after free ARM: Fix Versatile/Realview/VExpress MMC card detection sense ARM: 6279/1: highmem: fix SMP preemption bug in kmap_high_l1_vipt ARM: Add barriers to io{read,write}{8,16,32} accessors as well ARM: 6273/1: Add barriers to the I/O accessors if ARM_DMA_MEM_BUFFERABLE ARM: 6272/1: Convert L2x0 to use the IO relaxed operations ARM: 6271/1: Introduce *_relaxed() I/O accessors ARM: 6275/1: ux500: don't use writeb() in uncompress.h ARM: 6270/1: clean files in arch/arm/boot/compressed/ ARM: Fix csum_partial_copy_from_user() -
git://git.linux-nfs.org/projects/trondmy/nfs-2.6Linus Torvalds authored
* 'bugfixes' of git://git.linux-nfs.org/projects/trondmy/nfs-2.6: NFS: Ensure that writepage respects the nonblock flag NFS: kswapd must not block in nfs_release_page nfs: include space for the NUL in root path
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git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6Linus Torvalds authored
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/edid: Fix the HDTV hack sync adjustment drm/radeon/kms: fix radeon mid power profile reporting
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Hugh Dickins authored
Debian's ia64 autobuilders have been seeing kernel freeze or reboot when running the gdb testsuite (Debian bug 588574): dannf bisected to 2.6.32 62eede62 "mm: ZERO_PAGE without PTE_SPECIAL"; and reproduced it with gdb's gcore on a simple target. I'd missed updating the gate_vma handling in __get_user_pages(): that happens to use vm_normal_page() (nowadays failing on the zero page), yet reported success even when it failed to get a page - boom when access_process_vm() tried to copy that to its intermediate buffer. Fix this, resisting cleanups: in particular, leave it for now reporting success when not asked to get any pages - very probably safe to change, but let's not risk it without testing exposure. Why did ia64 crash with 16kB pages, but succeed with 64kB pages? Because setup_gate() pads each 64kB of its gate area with zero pages. Reported-by:
Andreas Barth <aba@not.so.argh.org> Bisected-by:
dann frazier <dannf@debian.org> Signed-off-by:
Hugh Dickins <hughd@google.com> Tested-by:
dann frazier <dannf@dannf.org> Cc: stable@kernel.org Signed-off-by:
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David Howells authored
Remove the __exit mark from cifs_exit_dns_resolver() as it's called by the module init routine in case of error, and so may have been discarded during linkage. Signed-off-by:
Jeff Layton <jlayton@redhat.com> Signed-off-by:
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