implement WCONTINUED, untested

fill out more siginfo fields.
use geteuid instead of getuid
This commit is contained in:
christos 2016-04-03 02:28:46 +00:00
parent 34417aa283
commit ae0f86396b

View File

@ -1,4 +1,4 @@
/* $NetBSD: kern_exit.c,v 1.249 2016/04/02 20:38:40 christos Exp $ */
/* $NetBSD: kern_exit.c,v 1.250 2016/04/03 02:28:46 christos Exp $ */
/*-
* Copyright (c) 1998, 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@ -67,7 +67,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.249 2016/04/02 20:38:40 christos Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_exit.c,v 1.250 2016/04/03 02:28:46 christos Exp $");
#include "opt_ktrace.h"
#include "opt_dtrace.h"
@ -823,11 +823,11 @@ match_process(struct proc *pp, struct proc **q, idtype_t idtype, id_t id,
goto out;
break;
case P_UID:
if (kauth_cred_getuid(p->p_cred) != (uid_t)id)
if (kauth_cred_geteuid(p->p_cred) != (uid_t)id)
goto out;
break;
case P_GID:
if (kauth_cred_getgid(p->p_cred) != (gid_t)id)
if (kauth_cred_getegid(p->p_cred) != (gid_t)id)
goto out;
break;
case P_CID:
@ -870,14 +870,9 @@ match_process(struct proc *pp, struct proc **q, idtype_t idtype, id_t id,
}
siginfo->si_pid = p->p_pid;
siginfo->si_uid = kauth_cred_getuid(p->p_cred);
/*
* The si_addr field would be useful additional
* detail, but apparently the PC value may be lost
* when we reach this point. bzero() above sets
* siginfo->si_addr to NULL.
*/
siginfo->si_uid = kauth_cred_geteuid(p->p_cred);
siginfo->si_utime = p->p_stats->p_ru.ru_utime.tv_sec;
siginfo->si_stime = p->p_stats->p_ru.ru_stime.tv_sec;
}
/*
@ -980,18 +975,33 @@ find_stopped_child(struct proc *parent, idtype_t idtype, id_t id, int options,
}
}
if ((options & WTRAPPED) != 0 &&
child->p_stat == SSTOP &&
child->p_waited == 0 &&
(child->p_slflag & PSL_TRACED ||
options & WUNTRACED)) {
if ((options & WCONTINUED) != 0 &&
child->p_xstat == SIGCONT) {
if ((options & WNOWAIT) == 0) {
child->p_waited = 1;
parent->p_nstopchild--;
}
if (si) {
si->si_status = child->p_xstat;
si->si_code = CLD_TRAPPED;
si->si_code = CLD_CONTINUED;
}
break;
}
if ((options & (WTRAPPED|WSTOPPED)) != 0 &&
child->p_stat == SSTOP &&
child->p_waited == 0 &&
((child->p_slflag & PSL_TRACED) ||
options & (WUNTRACED|WSTOPPED))) {
if ((options & WNOWAIT) == 0) {
child->p_waited = 1;
parent->p_nstopchild--;
}
if (si) {
si->si_status = child->p_xstat;
si->si_code =
(child->p_slflag & PSL_TRACED) ?
CLD_TRAPPED : CLD_STOPPED;
}
break;
}