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path: root/security/tomoyo/common.h
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2012-05-15TOMOYO: Accept manager programs which do not start with / .Tetsuo Handa1-1/+0
The pathname of /usr/sbin/tomoyo-editpolicy seen from Ubuntu 12.04 Live CD is squashfs:/usr/sbin/tomoyo-editpolicy rather than /usr/sbin/tomoyo-editpolicy . Therefore, we need to accept manager programs which do not start with / . Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <james.l.morris@oracle.com>
2012-03-15TOMOYO: Return appropriate value to poll().Tetsuo Handa1-3/+3
"struct file_operations"->poll() expects "unsigned int" return value. All files in /sys/kernel/security/tomoyo/ directory other than /sys/kernel/security/tomoyo/query and /sys/kernel/security/tomoyo/audit should return POLLIN | POLLRDNORM | POLLOUT | POLLWRNORM rather than -ENOSYS. Also, /sys/kernel/security/tomoyo/query and /sys/kernel/security/tomoyo/audit should return POLLOUT | POLLWRNORM rather than 0 when there is no data to read. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <james.l.morris@oracle.com>
2012-01-10Merge branch 'for-linus' of git://selinuxproject.org/~jmorris/linux-securityLinus Torvalds1-1/+1
* 'for-linus' of git://selinuxproject.org/~jmorris/linux-security: (32 commits) ima: fix invalid memory reference ima: free duplicate measurement memory security: update security_file_mmap() docs selinux: Casting (void *) value returned by kmalloc is useless apparmor: fix module parameter handling Security: tomoyo: add .gitignore file tomoyo: add missing rcu_dereference() apparmor: add missing rcu_dereference() evm: prevent racing during tfm allocation evm: key must be set once during initialization mpi/mpi-mpow: NULL dereference on allocation failure digsig: build dependency fix KEYS: Give key types their own lockdep class for key->sem TPM: fix transmit_cmd error logic TPM: NSC and TIS drivers X86 dependency fix TPM: Export wait_for_stat for other vendor specific drivers TPM: Use vendor specific function for status probe tpm_tis: add delay after aborting command tpm_tis: Check return code from getting timeouts/durations tpm: Introduce function to poll for result of self test ... Fix up trivial conflict in lib/Makefile due to addition of CONFIG_MPI and SIGSIG next to CONFIG_DQL addition.
2012-01-03tomoyo_mini_stat: switch to umode_tAl Viro1-1/+1
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2011-12-12tomoyo: add missing rcu_dereference()Kees Cook1-1/+1
Adds a missed rcu_dereference() around real_parent. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-26TOMOYO: Remove tomoyo_policy_memory_lock spinlock.Tetsuo Handa1-1/+0
tomoyo_policy_lock mutex already protects it. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-26TOMOYO: Simplify garbage collector.Tetsuo Handa1-2/+5
When TOMOYO started using garbage collector at commit 847b173e "TOMOYO: Add garbage collector.", we waited for close() before kfree(). Thus, elements to be kfree()d were queued up using tomoyo_gc_list list. But it turned out that tomoyo_element_linked_by_gc() tends to choke garbage collector when certain pattern of entries are queued. Since garbage collector is no longer waiting for close() since commit 2e503bbb "TOMOYO: Fix lockdep warning.", we can remove tomoyo_gc_list list and tomoyo_element_linked_by_gc() by doing sequential processing. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-26TOMOYO: Fix make namespacecheck warnings.Tetsuo Handa1-4/+0
Commit efe836ab "TOMOYO: Add built-in policy support." introduced tomoyo_load_builtin_policy() but was by error called from nowhere. Commit b22b8b9f "TOMOYO: Rename meminfo to stat and show more statistics." introduced tomoyo_update_stat() but was by error not called from tomoyo_assign_domain(). Also, mark tomoyo_io_printf() and tomoyo_path_permission() static functions, as reported by "make namespacecheck". Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-19TOMOYO: Allow specifying domain transition preference.Tetsuo Handa1-0/+4
I got an opinion that it is difficult to use exception policy's domain transition control directives because they need to match the pathname specified to "file execute" directives. For example, if "file execute /bin/\*\-ls\-cat" is given, corresponding domain transition control directive needs to be like "no_keep_domain /bin/\*\-ls\-cat from any". If we can specify like below, it will become more convenient. file execute /bin/ls keep exec.realpath="/bin/ls" exec.argv[0]="ls" file execute /bin/cat keep exec.realpath="/bin/cat" exec.argv[0]="cat" file execute /bin/\*\-ls\-cat child file execute /usr/sbin/httpd <apache> exec.realpath="/usr/sbin/httpd" exec.argv[0]="/usr/sbin/httpd" In above examples, "keep" works as if keep_domain is specified, "child" works as if "no_reset_domain" and "no_initialize_domain" and "no_keep_domain" are specified, "<apache>" causes domain transition to <apache> domain upon successful execve() operation. Moreover, we can also allow transition to different domains based on conditions like below example. <kernel> /usr/sbin/sshd file execute /bin/bash <kernel> /usr/sbin/sshd //batch-session exec.argc=2 exec.argv[1]="-c" file execute /bin/bash <kernel> /usr/sbin/sshd //root-session task.uid=0 file execute /bin/bash <kernel> /usr/sbin/sshd //nonroot-session task.uid!=0 Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-15TOMOYO: Bump version.Tetsuo Handa1-2/+2
Tell userland tools that this is TOMOYO 2.5. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-14TOMOYO: Allow domain transition without execve().Tetsuo Handa1-1/+15
To be able to split permissions for Apache's CGI programs which are executed without execve(), add special domain transition which is performed by writing a TOMOYO's domainname to /sys/kernel/security/tomoyo/self_domain interface. This is an API for TOMOYO-aware userland applications. However, since I expect TOMOYO and other LSM modules to run in parallel, this patch does not use /proc/self/attr/ interface in order to avoid conflicts with other LSM modules when it became possible to run multiple LSM modules in parallel. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-14TOMOYO: Allow controlling generation of access granted logs for per an entry ↵Tetsuo Handa1-0/+12
basis. Add per-entry flag which controls generation of grant logs because Xen and KVM issues ioctl requests so frequently. For example, file ioctl /dev/null 0x5401 grant_log=no will suppress /sys/kernel/security/tomoyo/audit even if preference says grant_log=yes . Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-14TOMOYO: Add socket operation restriction support.Tetsuo Handa1-1/+126
This patch adds support for permission checks for PF_INET/PF_INET6/PF_UNIX socket's bind()/listen()/connect()/send() operations. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-09-14TOMOYO: Add environment variable name restriction support.Tetsuo Handa1-0/+14
This patch adds support for checking environment variable's names. Although TOMOYO already provides ability to check argv[]/envp[] passed to execve() requests, file execute /bin/sh exec.envp["LD_LIBRARY_PATH"]="bar" will reject execution of /bin/sh if environment variable LD_LIBRARY_PATH is not defined. To grant execution of /bin/sh if LD_LIBRARY_PATH is not defined, administrators have to specify like file execute /bin/sh exec.envp["LD_LIBRARY_PATH"]="/system/lib" file execute /bin/sh exec.envp["LD_LIBRARY_PATH"]=NULL . Since there are many environment variables whereas conditional checks are applied as "&&", it is difficult to cover all combinations. Therefore, this patch supports conditional checks that are applied as "||", by specifying like file execute /bin/sh misc env LD_LIBRARY_PATH exec.envp["LD_LIBRARY_PATH"]="/system/lib" which means "grant execution of /bin/sh if environment variable is not defined or is defined and its value is /system/lib". Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-07-11TOMOYO: Enable conditional ACL.Tetsuo Handa1-1/+2
Enable conditional ACL by passing object's pointers. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-07-11TOMOYO: Allow using argv[]/envp[] of execve() as conditions.Tetsuo Handa1-2/+43
This patch adds support for permission checks using argv[]/envp[] of execve() request. Hooks are in the last patch of this pathset. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-07-11TOMOYO: Allow using executable's realpath and symlink's target as conditions.Tetsuo Handa1-0/+24
This patch adds support for permission checks using executable file's realpath upon execve() and symlink's target upon symlink(). Hooks are in the last patch of this pathset. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-07-11TOMOYO: Allow using owner/group etc. of file objects as conditions.Tetsuo Handa1-0/+91
This patch adds support for permission checks using file object's DAC attributes (e.g. owner/group) when checking file's pathnames. Hooks for passing file object's pointers are in the last patch of this pathset. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-07-11TOMOYO: Allow using UID/GID etc. of current thread as conditions.Tetsuo Handa1-1/+96
This patch adds support for permission checks using current thread's UID/GID etc. in addition to pathnames. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-07-08TOMOYO: Remove /sys/kernel/security/tomoyo/.domain_status interface.Tetsuo Handa1-1/+0
/sys/kernel/security/tomoyo/.domain_status can be easily emulated using /sys/kernel/security/tomoyo/domain_policy . We can remove this interface by updating /usr/sbin/tomoyo-setprofile utility. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-30TOMOYO: Cleanup header file.Tetsuo Handa1-117/+96
Sort by alphabetic order. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Add built-in policy support.Tetsuo Handa1-0/+1
To be able to start using enforcing mode from the early stage of boot sequence, this patch adds support for built-in policy configuration (and next patch adds support for activating access control without calling external policy loader program). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Rename meminfo to stat and show more statistics.Tetsuo Handa1-3/+14
Show statistics such as last policy update time and last policy violation time in addition to memory usage. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Cleanup part 4.Tetsuo Handa1-18/+33
Gather string constants to one file in order to make the object size smaller. Use unsigned type where appropriate. read()/write() returns ssize_t. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Fix lockdep warning.Tetsuo Handa1-3/+5
Currently TOMOYO holds SRCU lock upon open() and releases it upon close() because list elements stored in the "struct tomoyo_io_buffer" instances are accessed until close() is called. However, such SRCU usage causes lockdep to complain about leaving the kernel with SRCU lock held. This patch solves the warning by holding/releasing SRCU upon each read()/write(). This patch is doing something similar to calling kfree() without calling synchronize_srcu(), by selectively deferring kfree() by keeping track of the "struct tomoyo_io_buffer" instances. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Add policy namespace support.Tetsuo Handa1-12/+51
Mauras Olivier reported that it is difficult to use TOMOYO in LXC environments, for TOMOYO cannot distinguish between environments outside the container and environments inside the container since LXC environments are created using pivot_root(). To address this problem, this patch introduces policy namespace. Each policy namespace has its own set of domain policy, exception policy and profiles, which are all independent of other namespaces. This independency allows users to develop policy without worrying interference among namespaces. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Add ACL group support.Tetsuo Handa1-0/+7
ACL group allows administrator to globally grant not only "file read" permission but also other permissions. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Add auditing interface.Tetsuo Handa1-5/+78
Add /sys/kernel/security/tomoyo/audit interface. This interface generates audit logs in the form of domain policy so that /usr/sbin/tomoyo-auditd can reuse audit logs for appending to /sys/kernel/security/tomoyo/domain_policy interface. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Simplify profile structure.Tetsuo Handa1-0/+7
Remove global preference from profile structure in order to make code simpler. Due to this structure change, printk() warnings upon policy violation are temporarily disabled. They will be replaced by /sys/kernel/security/tomoyo/audit by next patch. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Rename directives.Tetsuo Handa1-1/+5
Convert "allow_..." style directives to "file ..." style directives. By converting to the latter style, we can pack policy like "file read/write/execute /path/to/file". Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Use struct for passing ACL line.Tetsuo Handa1-12/+20
Use structure for passing ACL line, in preparation for supporting policy namespace and conditional parameters. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Cleanup part 3.Tetsuo Handa1-54/+24
Use common structure for ACL with "struct list_head" + "atomic_t". Use array/struct where possible. Remove is_group from "struct tomoyo_name_union"/"struct tomoyo_number_union". Pass "struct file"->private_data rather than "struct file". Update some of comments. Bring tomoyo_same_acl_head() from common.h to domain.c . Bring tomoyo_invalid()/tomoyo_valid() from common.h to util.c . Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Cleanup part 2.Tetsuo Handa1-293/+148
Update (or temporarily remove) comments. Remove or replace some of #define lines. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-06-29TOMOYO: Cleanup part 1.Tetsuo Handa1-83/+10
In order to synchronize with TOMOYO 1.8's syntax, (1) Remove special handling for allow_read/write permission. (2) Replace deny_rewrite/allow_rewrite permission with allow_append permission. (3) Remove file_pattern keyword. (4) Remove allow_read permission from exception policy. (5) Allow creating domains in enforcing mode without calling supervisor. (6) Add permission check for opening directory for reading. (7) Add permission check for stat() operation. (8) Make "cat < /sys/kernel/security/tomoyo/self_domain" behave as if "cat /sys/kernel/security/tomoyo/self_domain". Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-09-27TOMOYO: Don't abuse sys_getpid(), sys_getppid()Ben Hutchings1-3/+0
System call entry functions sys_*() are never to be called from general kernel code. The fact that they aren't declared in header files should have been a clue. These functions also don't exist on Alpha since it has sys_getxpid() instead. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Use pathname specified by policy rather than execve()Tetsuo Handa1-5/+9
Commit c9e69318 "TOMOYO: Allow wildcard for execute permission." changed execute permission and domainname to accept wildcards. But tomoyo_find_next_domain() was using pathname passed to execve() rather than pathname specified by the execute permission. As a result, processes were not able to transit to domains which contain wildcards in their domainnames. This patch passes pathname specified by the execute permission back to tomoyo_find_next_domain() so that processes can transit to domains which contain wildcards in their domainnames. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Add missing poll() hook.Tetsuo Handa1-0/+2
Commit 1dae08c "TOMOYO: Add interactive enforcing mode." forgot to register poll() hook. As a result, /usr/sbin/tomoyo-queryd was doing busy loop. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Rename symbols.Tetsuo Handa1-29/+25
Use shorter name in order to make it easier to fit 80 columns limit. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Copy directly to userspace buffer.Tetsuo Handa1-41/+22
When userspace program reads policy from /sys/kernel/security/tomoyo/ interface, TOMOYO uses line buffered mode. A line has at least one word. Commit 006dacc "TOMOYO: Support longer pathname." changed a word's max length from 4000 bytes to max kmalloc()able bytes. By that commit, a line's max length changed from 8192 bytes to more than max kmalloc()able bytes. Max number of words in a line remains finite. This patch changes the way of buffering so that all words in a line are firstly directly copied to userspace buffer as much as possible and are secondly queued for next read request. Words queued are guaranteed to be valid until /sys/kernel/security/tomoyo/ interface is close()d. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Allow reading only execute permission.Tetsuo Handa1-0/+2
Policy editor needs to know allow_execute entries in order to build domain transition tree. Reading all entries is slow. Thus, allow reading only allow_execute entries. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Change list iterator.Tetsuo Handa1-12/+4
Change list_for_each_cookie to (1) start from current position rather than next position (2) remove temporary cursor (3) check that srcu_read_lock() is held Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Use common code for domain transition control.Tetsuo Handa1-43/+21
Use common code for "initialize_domain"/"no_initialize_domain"/"keep_domain"/ "no_keep_domain" keywords. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Remove alias keyword.Tetsuo Handa1-25/+5
Some programs behave differently depending on argv[0] passed to execve(). TOMOYO has "alias" keyword in order to allow administrators to define different domains if requested pathname passed to execve() is a symlink. But "alias" keyword is incomplete because this keyword assumes that requested pathname and argv[0] are identical. Thus, remove "alias" keyword (by this patch) and add syntax for checking argv[0] (by future patches). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Merge path_group and number_group.Tetsuo Handa1-7/+6
Use common code for "path_group" and "number_group". Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Aggregate reader functions.Tetsuo Handa1-22/+0
Now lists are accessible via array index. Aggregate reader functions using index. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Use array of "struct list_head".Tetsuo Handa1-11/+27
Assign list id and make the lists as array of "struct list_head". Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Merge tomoyo_path_group and tomoyo_number_groupTetsuo Handa1-25/+11
"struct tomoyo_path_group" and "struct tomoyo_number_group" are identical. Rename tomoyo_path_group/tomoyo_number_group to tomoyo_group and tomoyo_path_group_member to tomoyo_path_group and tomoyo_number_group_member to tomoyo_unmber_group. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Make read function to void.Tetsuo Handa1-2/+2
Read functions do not fail. Make them from int to void. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Remove wrapper function for reading keyword.Tetsuo Handa1-6/+5
Keyword strings are read-only. We can directly access them to reduce code size. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-08-02TOMOYO: Rename symbols.Tetsuo Handa1-21/+21
Use shorter name in order to make it easier to fix 80 columns limit. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
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