diff options
Diffstat (limited to 'security/apparmor/lsm.c')
| -rw-r--r-- | security/apparmor/lsm.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/security/apparmor/lsm.c b/security/apparmor/lsm.c index 867bcd154c7e..af22f3dfbcce 100644 --- a/security/apparmor/lsm.c +++ b/security/apparmor/lsm.c @@ -656,6 +656,26 @@ static int apparmor_task_setrlimit(struct task_struct *task, return error; } +static int apparmor_task_kill(struct task_struct *target, struct siginfo *info, + int sig, u32 secid) +{ + struct aa_label *cl, *tl; + int error; + + if (secid) + /* TODO: after secid to label mapping is done. + * Dealing with USB IO specific behavior + */ + return 0; + cl = __begin_current_label_crit_section(); + tl = aa_get_task_label(target); + error = aa_may_signal(cl, tl, sig); + aa_put_label(tl); + __end_current_label_crit_section(cl); + + return error; +} + static struct security_hook_list apparmor_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(ptrace_access_check, apparmor_ptrace_access_check), LSM_HOOK_INIT(ptrace_traceme, apparmor_ptrace_traceme), @@ -697,6 +717,7 @@ static struct security_hook_list apparmor_hooks[] __lsm_ro_after_init = { LSM_HOOK_INIT(bprm_secureexec, apparmor_bprm_secureexec), LSM_HOOK_INIT(task_setrlimit, apparmor_task_setrlimit), + LSM_HOOK_INIT(task_kill, apparmor_task_kill), }; /* |