--- /dev/null
+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <vnet/ipsec/ipsec.h>
+
+static int
+ipsec_spd_entry_sort (void *a1, void *a2)
+{
+ u32 *id1 = a1;
+ u32 *id2 = a2;
+ ipsec_spd_t *spd = ipsec_main.spd_to_sort;
+ ipsec_policy_t *p1, *p2;
+
+ p1 = pool_elt_at_index (spd->policies, *id1);
+ p2 = pool_elt_at_index (spd->policies, *id2);
+ if (p1 && p2)
+ return p2->priority - p1->priority;
+
+ return 0;
+}
+
+int
+ipsec_add_del_policy (vlib_main_t * vm, ipsec_policy_t * policy, int is_add)
+{
+ ipsec_main_t *im = &ipsec_main;
+ ipsec_spd_t *spd = 0;
+ ipsec_policy_t *vp;
+ uword *p;
+ u32 spd_index;
+
+ clib_warning ("policy-id %u priority %d is_outbound %u", policy->id,
+ policy->priority, policy->is_outbound);
+
+ if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
+ {
+ p = hash_get (im->sa_index_by_sa_id, policy->sa_id);
+ if (!p)
+ return VNET_API_ERROR_SYSCALL_ERROR_1;
+ policy->sa_index = p[0];
+ }
+
+ p = hash_get (im->spd_index_by_spd_id, policy->id);
+
+ if (!p)
+ return VNET_API_ERROR_SYSCALL_ERROR_1;
+
+ spd_index = p[0];
+ spd = pool_elt_at_index (im->spds, spd_index);
+ if (!spd)
+ return VNET_API_ERROR_SYSCALL_ERROR_1;
+
+ if (is_add)
+ {
+ u32 policy_index;
+
+ pool_get (spd->policies, vp);
+ clib_memcpy (vp, policy, sizeof (*vp));
+ policy_index = vp - spd->policies;
+
+ ipsec_main.spd_to_sort = spd;
+
+ if (policy->is_outbound)
+ {
+ if (policy->is_ipv6)
+ {
+ vec_add1 (spd->ipv6_outbound_policies, policy_index);
+ vec_sort_with_function (spd->ipv6_outbound_policies,
+ ipsec_spd_entry_sort);
+ }
+ else
+ {
+ vec_add1 (spd->ipv4_outbound_policies, policy_index);
+ vec_sort_with_function (spd->ipv4_outbound_policies,
+ ipsec_spd_entry_sort);
+ }
+ }
+ else
+ {
+ if (policy->is_ipv6)
+ {
+ if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
+ {
+ vec_add1 (spd->ipv6_inbound_protect_policy_indices,
+ policy_index);
+ vec_sort_with_function
+ (spd->ipv6_inbound_protect_policy_indices,
+ ipsec_spd_entry_sort);
+ }
+ else
+ {
+ vec_add1
+ (spd->ipv6_inbound_policy_discard_and_bypass_indices,
+ policy_index);
+ vec_sort_with_function
+ (spd->ipv6_inbound_policy_discard_and_bypass_indices,
+ ipsec_spd_entry_sort);
+ }
+ }
+ else
+ {
+ if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
+ {
+ vec_add1 (spd->ipv4_inbound_protect_policy_indices,
+ policy_index);
+ vec_sort_with_function
+ (spd->ipv4_inbound_protect_policy_indices,
+ ipsec_spd_entry_sort);
+ }
+ else
+ {
+ vec_add1
+ (spd->ipv4_inbound_policy_discard_and_bypass_indices,
+ policy_index);
+ vec_sort_with_function
+ (spd->ipv4_inbound_policy_discard_and_bypass_indices,
+ ipsec_spd_entry_sort);
+ }
+ }
+ }
+
+ ipsec_main.spd_to_sort = NULL;
+ }
+ else
+ {
+ u32 i, j;
+ /* *INDENT-OFF* */
+ pool_foreach_index(i, spd->policies, ({
+ vp = pool_elt_at_index(spd->policies, i);
+ if (vp->priority != policy->priority)
+ continue;
+ if (vp->is_outbound != policy->is_outbound)
+ continue;
+ if (vp->policy != policy->policy)
+ continue;
+ if (vp->sa_id != policy->sa_id)
+ continue;
+ if (vp->protocol != policy->protocol)
+ continue;
+ if (vp->lport.start != policy->lport.start)
+ continue;
+ if (vp->lport.stop != policy->lport.stop)
+ continue;
+ if (vp->rport.start != policy->rport.start)
+ continue;
+ if (vp->rport.stop != policy->rport.stop)
+ continue;
+ if (vp->is_ipv6 != policy->is_ipv6)
+ continue;
+ if (policy->is_ipv6)
+ {
+ if (vp->laddr.start.ip6.as_u64[0] != policy->laddr.start.ip6.as_u64[0])
+ continue;
+ if (vp->laddr.start.ip6.as_u64[1] != policy->laddr.start.ip6.as_u64[1])
+ continue;
+ if (vp->laddr.stop.ip6.as_u64[0] != policy->laddr.stop.ip6.as_u64[0])
+ continue;
+ if (vp->laddr.stop.ip6.as_u64[1] != policy->laddr.stop.ip6.as_u64[1])
+ continue;
+ if (vp->raddr.start.ip6.as_u64[0] != policy->raddr.start.ip6.as_u64[0])
+ continue;
+ if (vp->raddr.start.ip6.as_u64[1] != policy->raddr.start.ip6.as_u64[1])
+ continue;
+ if (vp->raddr.stop.ip6.as_u64[0] != policy->raddr.stop.ip6.as_u64[0])
+ continue;
+ if (vp->laddr.stop.ip6.as_u64[1] != policy->laddr.stop.ip6.as_u64[1])
+ continue;
+ if (policy->is_outbound)
+ {
+ vec_foreach_index(j, spd->ipv6_outbound_policies) {
+ if (vec_elt(spd->ipv6_outbound_policies, j) == i) {
+ vec_del1 (spd->ipv6_outbound_policies, j);
+ break;
+ }
+ }
+ }
+ else
+ {
+ if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
+ {
+ vec_foreach_index(j, spd->ipv6_inbound_protect_policy_indices) {
+ if (vec_elt(spd->ipv6_inbound_protect_policy_indices, j) == i) {
+ vec_del1 (spd->ipv6_inbound_protect_policy_indices, j);
+ break;
+ }
+ }
+ }
+ else
+ {
+ vec_foreach_index(j, spd->ipv6_inbound_policy_discard_and_bypass_indices) {
+ if (vec_elt(spd->ipv6_inbound_policy_discard_and_bypass_indices, j) == i) {
+ vec_del1 (spd->ipv6_inbound_policy_discard_and_bypass_indices, j);
+ break;
+ }
+ }
+ }
+ }
+ }
+ else
+ {
+ if (vp->laddr.start.ip4.as_u32 != policy->laddr.start.ip4.as_u32)
+ continue;
+ if (vp->laddr.stop.ip4.as_u32 != policy->laddr.stop.ip4.as_u32)
+ continue;
+ if (vp->raddr.start.ip4.as_u32 != policy->raddr.start.ip4.as_u32)
+ continue;
+ if (vp->raddr.stop.ip4.as_u32 != policy->raddr.stop.ip4.as_u32)
+ continue;
+ if (policy->is_outbound)
+ {
+ vec_foreach_index(j, spd->ipv4_outbound_policies) {
+ if (vec_elt(spd->ipv4_outbound_policies, j) == i) {
+ vec_del1 (spd->ipv4_outbound_policies, j);
+ break;
+ }
+ }
+ }
+ else
+ {
+ if (policy->policy == IPSEC_POLICY_ACTION_PROTECT)
+ {
+ vec_foreach_index(j, spd->ipv4_inbound_protect_policy_indices) {
+ if (vec_elt(spd->ipv4_inbound_protect_policy_indices, j) == i) {
+ vec_del1 (spd->ipv4_inbound_protect_policy_indices, j);
+ break;
+ }
+ }
+ }
+ else
+ {
+ vec_foreach_index(j, spd->ipv4_inbound_policy_discard_and_bypass_indices) {
+ if (vec_elt(spd->ipv4_inbound_policy_discard_and_bypass_indices, j) == i) {
+ vec_del1 (spd->ipv4_inbound_policy_discard_and_bypass_indices, j);
+ break;
+ }
+ }
+ }
+ }
+ }
+ pool_put (spd->policies, vp);
+ break;
+ }));
+ /* *INDENT-ON* */
+ }
+
+ return 0;
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */
Code Review / vpp.git / blobdiff