Author: emaste
Date: Wed Jun 3 13:12:08 2015
New Revision: 283943
URL: https://svnweb.freebsd.org/changeset/base/283943
Log:
MFC r261220 by csjp: Allow sigwait(2) in capabilities mode.
It's common for multi-threaded processes to create a thread for
the purpose of synchronously processing signals. Allow such processes to
utilize a capabilities sandbox.
Modified:
stable/10/sys/kern/capabilities.conf
stable/10/sys/kern/init_sysent.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/kern/capabilities.conf
==============================================================================
--- stable/10/sys/kern/capabilities.conf Wed Jun 3 13:10:25 2015
(r283942)
+++ stable/10/sys/kern/capabilities.conf Wed Jun 3 13:12:08 2015
(r283943)
@@ -667,6 +667,7 @@ sigsuspend
sigtimedwait
sigvec
sigwaitinfo
+sigwait
##
## Allow creating new socket pairs with socket(2) and socketpair(2).
Modified: stable/10/sys/kern/init_sysent.c
==============================================================================
--- stable/10/sys/kern/init_sysent.c Wed Jun 3 13:10:25 2015
(r283942)
+++ stable/10/sys/kern/init_sysent.c Wed Jun 3 13:12:08 2015
(r283943)
@@ -463,7 +463,7 @@ struct sysent sysent[] = {
{ AS(__acl_set_link_args), (sy_call_t *)sys___acl_set_link, AUE_NULL,
NULL, 0, 0, 0, SY_THR_STATIC }, /* 426 = __acl_set_link */
{ AS(__acl_delete_link_args), (sy_call_t *)sys___acl_delete_link,
AUE_NULL, NULL, 0, 0, 0, SY_THR_STATIC }, /* 427 = __acl_delete_link */
{ AS(__acl_aclcheck_link_args), (sy_call_t *)sys___acl_aclcheck_link,
AUE_NULL, NULL, 0, 0, 0, SY_THR_STATIC }, /* 428 = __acl_aclcheck_link */
- { AS(sigwait_args), (sy_call_t *)sys_sigwait, AUE_SIGWAIT, NULL, 0, 0,
0, SY_THR_STATIC }, /* 429 = sigwait */
+ { AS(sigwait_args), (sy_call_t *)sys_sigwait, AUE_SIGWAIT, NULL, 0, 0,
SYF_CAPENABLED, SY_THR_STATIC }, /* 429 = sigwait */
{ AS(thr_create_args), (sy_call_t *)sys_thr_create, AUE_NULL, NULL, 0,
0, SYF_CAPENABLED, SY_THR_STATIC }, /* 430 = thr_create */
{ AS(thr_exit_args), (sy_call_t *)sys_thr_exit, AUE_NULL, NULL, 0, 0,
SYF_CAPENABLED, SY_THR_STATIC }, /* 431 = thr_exit */
{ AS(thr_self_args), (sy_call_t *)sys_thr_self, AUE_NULL, NULL, 0, 0,
SYF_CAPENABLED, SY_THR_STATIC }, /* 432 = thr_self */
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