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authorLennart Poettering <lennart@poettering.net>2014-03-19 22:00:43 +0100
committerLennart Poettering <lennart@poettering.net>2014-03-19 22:00:43 +0100
commit7d711efb9c6fd6d025cb688aa8317ce6a78db711 (patch)
treecb273aacf06925f592eb94ccd34b1668dfdd40be /src/core
parenta3d59cd1b0a2738d06893948492113f2c35be0af (diff)
core: make sure we can combine DevicePolicy=closed with PrivateDevices=yes
if PrivateDevices=yes is used we need to make sure we can still create /dev/null and so on.
Diffstat (limited to 'src/core')
-rw-r--r--src/core/cgroup.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/core/cgroup.c b/src/core/cgroup.c
index 9cc8544fc7..3dd4c9129c 100644
--- a/src/core/cgroup.c
+++ b/src/core/cgroup.c
@@ -364,16 +364,22 @@ void cgroup_context_apply(CGroupContext *c, CGroupControllerMask mask, const cha
if (c->device_policy == CGROUP_CLOSED ||
(c->device_policy == CGROUP_AUTO && c->device_allow)) {
static const char auto_devices[] =
- "/dev/null\0" "rw\0"
- "/dev/zero\0" "rw\0"
- "/dev/full\0" "rw\0"
- "/dev/random\0" "rw\0"
- "/dev/urandom\0" "rw\0";
+ "/dev/null\0" "rwm\0"
+ "/dev/zero\0" "rwm\0"
+ "/dev/full\0" "rwm\0"
+ "/dev/random\0" "rwm\0"
+ "/dev/urandom\0" "rwm\0"
+ "/dev/tty\0" "rwm\0"
+ "/dev/pts/ptmx\0" "rw\0"; /* /dev/pts/ptmx may not be duplicated, but accessed */
const char *x, *y;
NULSTR_FOREACH_PAIR(x, y, auto_devices)
whitelist_device(path, x, y);
+
+ whitelist_major(path, "pts", 'c', "rw");
+ whitelist_major(path, "kdbus", 'c', "rw");
+ whitelist_major(path, "kdbus/*", 'c', "rw");
}
LIST_FOREACH(device_allow, a, c->device_allow) {