store IKE proposal implicitly during derive_keys
[strongswan.git] / src / charon / sa / ike_sa.c
index ba8c352..d4ee4bb 100644 (file)
@@ -191,10 +191,10 @@ struct private_ike_sa_t {
        linked_list_t *child_sas;
        
        /**
-        * String describing the selected IKE proposal
+        * Selected IKE proposal
         */
-       char *selected_proposal;
-
+       proposal_t *selected_proposal;
+       
        /**
         * crypter for inbound traffic
         */
@@ -1767,27 +1767,21 @@ static status_t derive_keys(private_ike_sa_t *this,
        /* all done, prf_plus not needed anymore */
        prf_plus->destroy(prf_plus);
        
+       /* save selected proposal */
+       this->selected_proposal = proposal->clone(proposal);
+       
        return SUCCESS;
 }
 
 /**
  * Implementation of ike_sa_t.get_proposal.
  */
-static char* get_proposal(private_ike_sa_t *this)
+static proposal_t* get_proposal(private_ike_sa_t *this)
 {
        return this->selected_proposal;
 }
 
 /**
- * Implementation of ike_sa_t.set_proposal.
- */
-static void set_proposal(private_ike_sa_t *this, char *proposal)
-{
-       free(this->selected_proposal);
-       this->selected_proposal = strdup(proposal);
-}
-
-/**
  * Implementation of ike_sa_t.add_child_sa.
  */
 static void add_child_sa(private_ike_sa_t *this, child_sa_t *child_sa)
@@ -2467,7 +2461,7 @@ static void destroy(private_ike_sa_t *this)
        DESTROY_IF(this->child_prf);
        chunk_free(&this->skp_verify);
        chunk_free(&this->skp_build);
-       free(this->selected_proposal);
+       DESTROY_IF(this->selected_proposal);
        
        if (this->my_virtual_ip)
        {
@@ -2572,8 +2566,7 @@ ike_sa_t * ike_sa_create(ike_sa_id_t *ike_sa_id)
        this->public.get_skp_verify = (chunk_t (*)(ike_sa_t *)) get_skp_verify;
        this->public.get_skp_build = (chunk_t (*)(ike_sa_t *)) get_skp_build;
        this->public.derive_keys = (status_t (*)(ike_sa_t *,proposal_t*,chunk_t,chunk_t,chunk_t,bool,prf_t*,prf_t*)) derive_keys;
-       this->public.get_proposal = (char* (*)(ike_sa_t*)) get_proposal;
-       this->public.set_proposal = (void (*)(ike_sa_t*,char*)) set_proposal;
+       this->public.get_proposal = (proposal_t* (*)(ike_sa_t*)) get_proposal;
        this->public.add_child_sa = (void (*)(ike_sa_t*,child_sa_t*)) add_child_sa;
        this->public.get_child_sa = (child_sa_t* (*)(ike_sa_t*,protocol_id_t,u_int32_t,bool)) get_child_sa;
        this->public.create_child_sa_iterator = (iterator_t* (*)(ike_sa_t*)) create_child_sa_iterator;