lkml.org 
[lkml]   [2013]   [Jul]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/9] syslog_ns: add syslog_ns into user_namespace
Date
Add a syslog_ns pointer to user_namespace, and make
syslog_ns per user_namespace, not global.

Since syslog_ns is assigned to user_ns, we can have
full capabilities in new user_ns to create a new syslog_ns.

Signed-off-by: Rui Xiang <rui.xiang@huawei.com>
---
include/linux/syslog.h | 5 +++++
include/linux/user_namespace.h | 1 +
2 files changed, 6 insertions(+)

diff --git a/include/linux/syslog.h b/include/linux/syslog.h
index 425fafe..62ce47f 100644
--- a/include/linux/syslog.h
+++ b/include/linux/syslog.h
@@ -90,6 +90,11 @@ struct syslog_namespace {
size_t syslog_partial;

int dmesg_restrict;
+
+ /*
+ * user namespace which owns this syslog ns.
+ */
+ struct user_namespace *owner;
};

static inline struct syslog_namespace *get_syslog_ns(
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index b6b215f..ce2de5b 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -28,6 +28,7 @@ struct user_namespace {
unsigned int proc_inum;
bool may_mount_sysfs;
bool may_mount_proc;
+ struct syslog_namespace *syslog_ns;
};

extern struct user_namespace init_user_ns;
--
1.8.2.2



\
 
 \ /
  Last update: 2013-07-29 05:01    [W:0.098 / U:1.124 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site