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* pull ACC_MODE to fs.h; we have several copies all over the place
* nightmarish expression calculating f_mode by f_flags deserves a helper
too (OPEN_FMODE(flags))
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Now that sys_sysctl is an emulation on top of proc sys all sysctl
operations look like normal filesystem operations and we don't need
to use the special sysctl hook to authenticate them.
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
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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>
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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>
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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>
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Remove '/***** START/STOP *****/' markers.
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>
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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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This file controls file related operations of TOMOYO Linux.
tomoyo/tomoyo.c calls the following six functions in this file.
Each function handles the following access types.
* tomoyo_check_file_perm
sysctl()'s "read" and "write".
* tomoyo_check_exec_perm
"execute".
* tomoyo_check_open_permission
open(2) for "read" and "write".
* tomoyo_check_1path_perm
"create", "unlink", "mkdir", "rmdir", "mkfifo",
"mksock", "mkblock", "mkchar", "truncate" and "symlink".
* tomoyo_check_2path_perm
"rename" and "unlink".
* tomoyo_check_rewrite_permission
"rewrite".
("rewrite" are operations which may lose already recorded data of a file,
i.e. open(!O_APPEND) || open(O_TRUNC) || truncate() || ftruncate())
The functions which actually checks ACLs are the following three functions.
Each function handles the following access types.
ACL directive is expressed by "allow_<access type>".
* tomoyo_check_file_acl
Open() operation and execve() operation.
("read", "write", "read/write" and "execute")
* tomoyo_check_single_write_acl
Directory modification operations with 1 pathname.
("create", "unlink", "mkdir", "rmdir", "mkfifo", "mksock",
"mkblock", "mkchar", "truncate", "symlink" and "rewrite")
* tomoyo_check_double_write_acl
Directory modification operations with 2 pathname.
("link" and "rename")
Also, this file contains handlers of some utility directives
for file related operations.
* "allow_read": specifies globally (for all domains) readable files.
* "path_group": specifies pathname macro.
* "deny_rewrite": restricts rewrite operation.
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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