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authorTobias Brunner <tobias@strongswan.org>2017-07-11 10:59:11 +0200
committerTobias Brunner <tobias@strongswan.org>2017-08-07 10:44:05 +0200
commit2699c8387a443d16fb3135153317a7f0447674a3 (patch)
tree8a01b60c13f453456f16a055a4e771ac57aa7baf
parenta46d233c0e2d0454cc3f865ed6fe72a13b2dbf86 (diff)
downloadstrongswan-2699c8387a443d16fb3135153317a7f0447674a3.tar.bz2
strongswan-2699c8387a443d16fb3135153317a7f0447674a3.tar.xz
kernel-netlink: Set SPI on outbound policy
This should cause the right SA to get used if there are multiple outbound SAs and the policies are installed properly.
-rw-r--r--src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c b/src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c
index c411b829d..8ddaa71d3 100644
--- a/src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c
+++ b/src/libcharon/plugins/kernel_netlink/kernel_netlink_ipsec.c
@@ -1141,7 +1141,7 @@ static bool receive_events(private_kernel_netlink_ipsec_t *this, int fd,
METHOD(kernel_ipsec_t, get_features, kernel_feature_t,
private_kernel_netlink_ipsec_t *this)
{
- return KERNEL_ESP_V3_TFC;
+ return KERNEL_ESP_V3_TFC | KERNEL_POLICY_SPI;
}
/**
@@ -2409,11 +2409,13 @@ static status_t add_policy_internal(private_kernel_netlink_ipsec_t *this,
struct xfrm_user_tmpl *tmpl;
struct {
uint8_t proto;
+ uint32_t spi;
bool use;
} protos[] = {
- { IPPROTO_COMP, ipsec->cfg.ipcomp.transform != IPCOMP_NONE },
- { IPPROTO_ESP, ipsec->cfg.esp.use },
- { IPPROTO_AH, ipsec->cfg.ah.use },
+ { IPPROTO_COMP, htonl(ntohs(ipsec->cfg.ipcomp.cpi)),
+ ipsec->cfg.ipcomp.transform != IPCOMP_NONE },
+ { IPPROTO_ESP, ipsec->cfg.esp.spi, ipsec->cfg.esp.use },
+ { IPPROTO_AH, ipsec->cfg.ah.spi, ipsec->cfg.ah.use },
};
ipsec_mode_t proto_mode = ipsec->cfg.mode;
int count = 0;
@@ -2441,6 +2443,10 @@ static status_t add_policy_internal(private_kernel_netlink_ipsec_t *this,
}
tmpl->reqid = ipsec->cfg.reqid;
tmpl->id.proto = protos[i].proto;
+ if (policy->direction == POLICY_OUT)
+ {
+ tmpl->id.spi = protos[i].spi;
+ }
tmpl->aalgos = tmpl->ealgos = tmpl->calgos = ~0;
tmpl->mode = mode2kernel(proto_mode);
tmpl->optional = protos[i].proto == IPPROTO_COMP &&