diff options
| author |   Ole Troan <ot@cisco.com> | 2018-09-28 14:28:00 +0200 |
|---|---|---|
| committer | Ole Troan <ot@cisco.com> | 2018-09-28 18:19:56 +0200 |
| commit | 9be93c8f85d752930566a1d37e9f4841ca78861f (patch) | |
| tree | 72ac20efdf13e24efee4df9463db05baad5c43bd /src | |
| parent | bf4d126b811c6ad00068fd04af652c982dc289c1 (diff) | |
MAP: Add check for well known ports.
And more unit-tests.
Change-Id: I4667d82d928b7ba8d96b5a5648d464115b3ed216
Signed-off-by: Ole Troan <ot@cisco.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/plugins/map/ip4_map_t.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/plugins/map/ip4_map_t.c b/src/plugins/map/ip4_map_t.c index c6b091294bb..a64b767c908 100644 --- a/src/plugins/map/ip4_map_t.c +++ b/src/plugins/map/ip4_map_t.c @@ -736,6 +736,14 @@ ip4_map_t (vlib_main_t * vm, vlib_node_runtime_t * node, vlib_frame_t * frame) ip4_map_t_classify (p0, d0, ip40, ip4_len0, &map_port0, &error0, &next0); + /* Verify that port is not among the well-known ports */ + if ((d0->psid_length > 0 && d0->psid_offset > 0) + && (clib_net_to_host_u16 (map_port0) < + (0x1 << (16 - d0->psid_offset)))) + { + error0 = MAP_ERROR_SEC_CHECK; + } + //Add MAP-T pseudo header in front of the packet vlib_buffer_advance (p0, -sizeof (*pheader0)); pheader0 = vlib_buffer_get_current (p0); |