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2010-01-26TOMOYO: Remove usage counter for temporary memory.Tetsuo Handa
TOMOYO was using own memory usage counter for detecting memory leak. But as kernel 2.6.31 introduced memory leak detection mechanism ( CONFIG_DEBUG_KMEMLEAK ), we no longer need to have own counter. We remove usage counter for memory used for permission checks, but we keep usage counter for memory used for policy so that we can apply quota. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-01-10TOMOYO: Remove memory pool for list elements.Tetsuo Handa
Currently, TOMOYO allocates memory for list elements from memory pool allocated by kmalloc(PAGE_SIZE). But that makes it difficult to kfree() when garbage collector is added. Thus, remove memory pool and use kmalloc(sizeof()). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2010-01-10TOMOYO: Replace rw_semaphore by mutex.Tetsuo Handa
Since readers no longer use down_read(), writers no longer need to use rw_semaphore. Replace individual rw_semaphore by single mutex. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
2009-12-15TOMOYO: Use RCU primitives for list operationTetsuo Handa
Replace list operation with RCU primitives and replace down_read()/up_read() with srcu_read_lock()/srcu_read_unlock(). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Serge Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-19TOMOYO: Remove next_domain from tomoyo_find_next_domain().Tetsuo Handa
We can update bprm->cred->security inside tomoyo_find_next_domain(). Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-19TOMOYO: Move tomoyo_delete_domain().Tetsuo Handa
We can mark tomoyo_delete_domain() as a "static" function by moving it from domain.c to common.c . Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-08TOMOYO: Add description of lists and structures.Tetsuo Handa
This patch adds some descriptions of lists and structures. This patch contains no code changes. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-04TOMOYO: Remove unused parameter.Tetsuo Handa
TOMOYO 2.2.0 does not check argv[] and envp[] upon execve(). We don't need to pass "struct tomoyo_page_buffer". Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-02TOMOYO: Simplify policy reader.Tetsuo Handa
We can directly assign the result of tomoyo_io_printf() to done flag. Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-02TOMOYO: Remove redundant markers.Tetsuo Handa
Remove '/***** START/STOP *****/' markers. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-06-02TOMOYO: Remove unused mutex.Tetsuo Handa
I forgot to remove on TOMOYO's 15th posting. Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-04-13tomoyo: version bump to 2.2.0.Tetsuo Handa
Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-04-07tomoyo: remove "undelete domain" command.Tetsuo Handa
Since TOMOYO's policy management tools does not use the "undelete domain" command, we decided to remove that command. Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-02-14TOMOYO: Fix exception policy read failure.Tetsuo Handa
Due to wrong initialization, "cat /sys/kernel/security/tomoyo/exception_policy" returned nothing. Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp> Signed-off-by: James Morris <jmorris@namei.org>
2009-02-12Domain transition handler.Kentaro Takeda
This file controls domain creation/deletion/transition. Every process belongs to a domain in TOMOYO Linux. Domain transition occurs when execve(2) is called and the domain is expressed as 'process invocation history', such as '<kernel> /sbin/init /etc/init.d/rc'. Domain information is stored in current->cred->security field. Signed-off-by: Kentaro Takeda <takedakn@nttdata.co.jp> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: Toshiharu Harada <haradats@nttdata.co.jp> Signed-off-by: James Morris <jmorris@namei.org>
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