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| author | Tobias Brunner <tobias@strongswan.org> | 2013-11-07 20:58:42 +0100 |
|---|---|---|
| committer | Tobias Brunner <tobias@strongswan.org> | 2014-01-23 10:27:12 +0100 |
| commit | cc04a6db3e7e0fe0d18728d9ca400e806b5876b9 (patch) | |
| tree | 423b8c8ce48887be01664960e12ccb94f5f7ab5b | |
| parent | 7e3bbcf77a27627455ef67c433fc70e5fd0f70e3 (diff) | |
| download | strongswan-cc04a6db3e7e0fe0d18728d9ca400e806b5876b9.tar.bz2 strongswan-cc04a6db3e7e0fe0d18728d9ca400e806b5876b9.tar.xz | |
kernel-netlink: Selectively add selector on SAs that use IPComp
Don't add a selector to tunnel mode SAs, these might serve multiple
traffic selectors but with only one selector on the SA only the traffic
matching the first one would actually get tunneled.
| -rw-r--r-- | src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c b/src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c index 128e6571c..8287f9df4 100644 --- a/src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c +++ b/src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c @@ -1203,6 +1203,7 @@ METHOD(kernel_ipsec_t, add_sa, status_t, struct nlmsghdr *hdr; struct xfrm_usersa_info *sa; u_int16_t icv_size = 64; + ipsec_mode_t original_mode = mode; status_t status = FAILED; /* if IPComp is used, we install an additional IPComp SA. if the cpi is 0 @@ -1243,7 +1244,12 @@ METHOD(kernel_ipsec_t, add_sa, status_t, break; case MODE_BEET: case MODE_TRANSPORT: - if(src_ts && dst_ts) + if (original_mode == MODE_TUNNEL) + { /* don't install selectors for switched SAs. because only one + * selector can be installed other traffic would get dropped */ + break; + } + if (src_ts && dst_ts) { sa->sel = ts2selector(src_ts, dst_ts); /* don't install proto/port on SA. This would break |