diff options
Diffstat (limited to 'security/selinux/hooks.c')
| -rw-r--r-- | security/selinux/hooks.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index b85afcf38527..a5189a347354 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2644,6 +2644,11 @@ static int selinux_task_getsid(struct task_struct *p) return task_has_perm(current, p, PROCESS__GETSESSION); } +static void selinux_task_getsecid(struct task_struct *p, u32 *secid) +{ + selinux_get_task_sid(p, secid); +} + static int selinux_task_setgroups(struct group_info *group_info) { /* See the comment for setuid above. */ @@ -2700,12 +2705,14 @@ static int selinux_task_movememory(struct task_struct *p) return task_has_perm(current, p, PROCESS__SETSCHED); } -static int selinux_task_kill(struct task_struct *p, struct siginfo *info, int sig) +static int selinux_task_kill(struct task_struct *p, struct siginfo *info, + int sig, u32 secid) { u32 perm; int rc; + struct task_security_struct *tsec; - rc = secondary_ops->task_kill(p, info, sig); + rc = secondary_ops->task_kill(p, info, sig, secid); if (rc) return rc; @@ -2716,8 +2723,12 @@ static int selinux_task_kill(struct task_struct *p, struct siginfo *info, int si perm = PROCESS__SIGNULL; /* null signal; existence test */ else perm = signal_to_av(sig); - - return task_has_perm(current, p, perm); + tsec = p->security; + if (secid) + rc = avc_has_perm(secid, tsec->sid, SECCLASS_PROCESS, perm, NULL); + else + rc = task_has_perm(current, p, perm); + return rc; } static int selinux_task_prctl(int option, @@ -4434,6 +4445,7 @@ static struct security_operations selinux_ops = { .task_setpgid = selinux_task_setpgid, .task_getpgid = selinux_task_getpgid, .task_getsid = selinux_task_getsid, + .task_getsecid = selinux_task_getsecid, .task_setgroups = selinux_task_setgroups, .task_setnice = selinux_task_setnice, .task_setioprio = selinux_task_setioprio, |