mir/lxc
2
0
Fork 0
mirror of git://github.com/lxc/lxc synced 2025-08-30 19:49:35 +00:00
Code Issues Releases Wiki Activity

conf: fix CAP_NET_ADMIN-based mount handling

Browse Source 
Fixes: e8b9c9ec6f ("unmounted proc/sys/net if dropping CAP_NET_ADMIN")
Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
This commit is contained in:
Christian Brauner
2021-01-04 11:21:53 +01:00
parent 2dfeec3d72
commit 952ab61826
2 changed files with 7 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/lxc/conf.c
View File

@@ -640,7 +640,7 @@ static int lxc_mount_auto_mounts(struct lxc_conf *conf, int flags, struct lxc_ha
{ 0, 0, NULL, NULL, NULL, 0, NULL, 0 }
};
bool has_cap_net_admin = in_caplist(CAP_NET_ADMIN, &conf->caps);
bool has_cap_net_admin = lxc_wants_cap(CAP_NET_ADMIN, conf);
for (i = 0; default_mounts[i].match_mask; i++) {
__do_free char *destination = NULL, *source = NULL;
int saved_errno;

6
src/lxc/conf.h
View File

@@ -15,6 +15,7 @@
#include <sys/types.h>
#include <sys/vfs.h>
#include "caps.h"
#include "compiler.h"
#include "config.h"
#include "list.h"
@@ -502,8 +503,11 @@ __hidden extern int run_script_argv(const char *name, unsigned int hook_version,
const char *script, const char *hookname, char **argsin);
__hidden extern int in_caplist(int cap, struct lxc_list *caps);
static inline int lxc_wants_cap(int cap, struct lxc_conf *conf)
static inline bool lxc_wants_cap(int cap, struct lxc_conf *conf)
{
if (lxc_caps_last_cap() < cap)
return false;
if (!lxc_list_empty(&conf->keepcaps))
return !in_caplist(cap, &conf->keepcaps);