TOMOYO: Pass parameters via structure.

To make it possible to use callback function, pass parameters via
"struct tomoyo_request_info".

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 203454025410..f055e273ec02 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -212,6 +212,39 @@ struct tomoyo_acl_head {
  */
 struct tomoyo_request_info {
         struct tomoyo_domain_info *domain;
+        /* For holding parameters. */
+        union {
+                struct {
+                        const struct tomoyo_path_info *filename;
+                        u8 operation;
+                } path;
+                struct {
+                        const struct tomoyo_path_info *filename1;
+                        const struct tomoyo_path_info *filename2;
+                        u8 operation;
+                } path2;
+                struct {
+                        const struct tomoyo_path_info *filename;
+                        unsigned int mode;
+                        unsigned int major;
+                        unsigned int minor;
+                        u8 operation;
+                } mkdev;
+                struct {
+                        const struct tomoyo_path_info *filename;
+                        unsigned long number;
+                        u8 operation;
+                } path_number;
+                struct {
+                        const struct tomoyo_path_info *type;
+                        const struct tomoyo_path_info *dir;
+                        const struct tomoyo_path_info *dev;
+                        unsigned long flags;
+                        int need_dev;
+                } mount;
+        } param;
+        u8 param_type;
+        bool granted;
         u8 retry;
         u8 profile;
         u8 mode; /* One of tomoyo_mode_index . */