[PATCH] SELinux: extend task_kill hook to handle signals sent by AIO completion

[linux-2.6-block.git] / include / linux / security.h

diff --git a/include/linux/security.h b/include/linux/security.h
index c7ea15716dce5cdcc5c293c120471a99248fa669..d4b13d617f634d5d92d07abbe9da5ed57097ad01 100644 (file)
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -567,6 +567,9 @@ struct swap_info_struct;
  *     @p.
  *     @p contains the task_struct for the process.
  *     Return 0 if permission is granted.
+ * @task_getsecid:
+ *     Retrieve the security identifier of the process @p.
+ *     @p contains the task_struct for the process and place is into @secid.
  * @task_setgroups:
  *     Check permission before setting the supplementary group set of the
  *     current process.
@@ -615,6 +618,7 @@ struct swap_info_struct;
  *     @p contains the task_struct for process.
  *     @info contains the signal information.
  *     @sig contains the signal value.
+ *     @secid contains the sid of the process where the signal originated
  *     Return 0 if permission is granted.
  * @task_wait:
  *     Check permission before allowing a process to reap a child process @p
@@ -1219,6 +1223,7 @@ struct security_operations {
        int (*task_setpgid) (struct task_struct * p, pid_t pgid);
        int (*task_getpgid) (struct task_struct * p);
        int (*task_getsid) (struct task_struct * p);
+       void (*task_getsecid) (struct task_struct * p, u32 * secid);
        int (*task_setgroups) (struct group_info *group_info);
        int (*task_setnice) (struct task_struct * p, int nice);
        int (*task_setioprio) (struct task_struct * p, int ioprio);
@@ -1228,7 +1233,7 @@ struct security_operations {
        int (*task_getscheduler) (struct task_struct * p);
        int (*task_movememory) (struct task_struct * p);
        int (*task_kill) (struct task_struct * p,
-                         struct siginfo * info, int sig);
+                         struct siginfo * info, int sig, u32 secid);
        int (*task_wait) (struct task_struct * p);
        int (*task_prctl) (int option, unsigned long arg2,
                           unsigned long arg3, unsigned long arg4,
@@ -1839,6 +1844,11 @@ static inline int security_task_getsid (struct task_struct *p)
        return security_ops->task_getsid (p);
 }
 
+static inline void security_task_getsecid (struct task_struct *p, u32 *secid)
+{
+       security_ops->task_getsecid (p, secid);
+}
+
 static inline int security_task_setgroups (struct group_info *group_info)
 {
        return security_ops->task_setgroups (group_info);
@@ -1878,9 +1888,10 @@ static inline int security_task_movememory (struct task_struct *p)
 }
 
 static inline int security_task_kill (struct task_struct *p,
-                                     struct siginfo *info, int sig)
+                                     struct siginfo *info, int sig,
+                                     u32 secid)
 {
-       return security_ops->task_kill (p, info, sig);
+       return security_ops->task_kill (p, info, sig, secid);
 }
 
 static inline int security_task_wait (struct task_struct *p)
@@ -2491,6 +2502,9 @@ static inline int security_task_getsid (struct task_struct *p)
        return 0;
 }
 
+static inline void security_task_getsecid (struct task_struct *p, u32 *secid)
+{ }
+
 static inline int security_task_setgroups (struct group_info *group_info)
 {
        return 0;
@@ -2530,7 +2544,8 @@ static inline int security_task_movememory (struct task_struct *p)
 }
 
 static inline int security_task_kill (struct task_struct *p,
-                                     struct siginfo *info, int sig)
+                                     struct siginfo *info, int sig,
+                                     u32 secid)
 {
        return 0;
 }