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authorTobias Brunner <tobias@strongswan.org>2013-06-25 08:35:06 +0200
committerTobias Brunner <tobias@strongswan.org>2013-06-25 17:16:32 +0200
commit6f15f5e632917775db9ecf2826532884f34877e8 (patch)
treeb7524c97b9d820685dadc70a0812011c00496f36 /src/libcharon/plugins/dhcp
parent1dd61bf13d688dfa71b25d3eb7872dc784f1e57c (diff)
downloadstrongswan-6f15f5e632917775db9ecf2826532884f34877e8.tar.bz2
strongswan-6f15f5e632917775db9ecf2826532884f34877e8.tar.xz
dhcp: Require CAP_NET_BIND_SERVICE and CAP_NET_RAW to open/bind sockets
Diffstat (limited to 'src/libcharon/plugins/dhcp')
-rw-r--r--src/libcharon/plugins/dhcp/dhcp_plugin.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/libcharon/plugins/dhcp/dhcp_plugin.c b/src/libcharon/plugins/dhcp/dhcp_plugin.c
index a31f12689..31195e25b 100644
--- a/src/libcharon/plugins/dhcp/dhcp_plugin.c
+++ b/src/libcharon/plugins/dhcp/dhcp_plugin.c
@@ -107,6 +107,17 @@ plugin_t *dhcp_plugin_create()
{
private_dhcp_plugin_t *this;
+ if (!lib->caps->keep(lib->caps, CAP_NET_BIND_SERVICE))
+ { /* required to bind DHCP socket (port 68) */
+ DBG1(DBG_NET, "dhcp plugin requires CAP_NET_BIND_SERVICE capability");
+ return NULL;
+ }
+ else if (!lib->caps->keep(lib->caps, CAP_NET_RAW))
+ { /* required to open DHCP receive socket (AF_PACKET) */
+ DBG1(DBG_NET, "dhcp plugin requires CAP_NET_RAW capability");
+ return NULL;
+ }
+
INIT(this,
.public = {
.plugin = {