linux-kernel - [PATCH v3 06/11] syslog_ns: use init syslog

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1375861035-24320-7-git-send-email-rui.xiang@huawei.com>
Date:	Wed, 7 Aug 2013 15:37:10 +0800
From:	Rui Xiang <rui.xiang@...wei.com>
To:	<containers@...ts.linux-foundation.org>,
	<linux-kernel@...r.kernel.org>
CC:	<netdev@...r.kernel.org>, <netfilter-devel@...r.kernel.org>,
	<serge.hallyn@...ntu.com>, <ebiederm@...ssion.com>,
	<akpm@...ux-foundation.org>, <gaofeng@...fujitsu.com>,
	<guz.fnst@...fujitsu.com>, <libo.chen@...wei.com>,
	Rui Xiang <rui.xiang@...wei.com>
Subject: [PATCH v3 06/11] syslog_ns: use init syslog_ns for console action

While flags SYSLOG_ACTION_CONSOLE_ON/OFF/LEVEL of
console actin are used in syslog syscall, the related
hanlding should be targeted at host by init_syslog_ns.

Signed-off-by: Rui Xiang <rui.xiang@...wei.com>
---
 kernel/printk.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/kernel/printk.c b/kernel/printk.c
index ca951e7..bdb7ed4 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -373,6 +373,11 @@ static int check_syslog_permissions(int type, bool from_file,
 	if (from_file && type != SYSLOG_ACTION_OPEN)
 		return 0;
 
+	if (type == SYSLOG_ACTION_CONSOLE_OFF
+		|| type == SYSLOG_ACTION_CONSOLE_ON
+		|| type == SYSLOG_ACTION_CONSOLE_LEVEL)
+		ns = &init_syslog_ns;
+
 	if (syslog_action_restricted(type, ns)) {
 		if (ns_capable(ns->owner, CAP_SYSLOG))
 			return 0;
-- 
1.8.2.2


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/