net/sctp/auth.c

222 				    const struct sctp_association *asoc,
226 			(struct sctp_random_param *)asoc->c.auth_random,
227 			(struct sctp_chunks_param *)asoc->c.auth_chunks,
228 			(struct sctp_hmac_algo_param *)asoc->c.auth_hmacs, gfp);
233 				    const struct sctp_association *asoc,
236 	return sctp_auth_make_key_vector(asoc->peer.peer_random,
237 					 asoc->peer.peer_chunks,
238 					 asoc->peer.peer_hmacs,
287 				 const struct sctp_association *asoc,
311 	local_key_vector = sctp_auth_make_local_vector(asoc, gfp);
312 	peer_key_vector = sctp_auth_make_peer_vector(asoc, gfp);
354 				struct sctp_association *asoc,
360 	BUG_ON(!list_empty(&asoc->endpoint_shared_keys));
369 		list_add(&new->key_list, &asoc->endpoint_shared_keys);
375 	sctp_auth_destroy_keys(&asoc->endpoint_shared_keys);
383 int sctp_auth_asoc_init_active_key(struct sctp_association *asoc, gfp_t gfp)
392 	if (!asoc->peer.auth_capable)
400 	ep_key = sctp_auth_get_shkey(asoc, asoc->active_key_id);
403 	secret = sctp_auth_asoc_create_secret(asoc, ep_key, gfp);
407 	sctp_auth_key_put(asoc->asoc_shared_key);
408 	asoc->asoc_shared_key = secret;
409 	asoc->shkey = ep_key;
414 	list_for_each_entry(chunk, &asoc->outqueue.out_chunk_list, list) {
415 		if (sctp_auth_send_cid(chunk->chunk_hdr->type, asoc)) {
418 				chunk->shkey = asoc->shkey;
430 				const struct sctp_association *asoc,
436 	key_for_each(key, &asoc->endpoint_shared_keys) {
524 struct sctp_hmac *sctp_auth_asoc_get_hmac(const struct sctp_association *asoc)
532 	if (asoc->default_hmac_id)
533 		return &sctp_hmac_list[asoc->default_hmac_id];
538 	hmacs = asoc->peer.peer_hmacs;
584 int sctp_auth_asoc_verify_hmac_id(const struct sctp_association *asoc,
590 	if (!asoc)
593 	hmacs = (struct sctp_hmac_algo_param *)asoc->c.auth_hmacs;
606 void sctp_auth_asoc_set_default_hmac(struct sctp_association *asoc,
615 	if (asoc->default_hmac_id)
620 	ep = asoc->ep;
630 			asoc->default_hmac_id = id;
674 int sctp_auth_send_cid(enum sctp_cid chunk, const struct sctp_association *asoc)
676 	if (!asoc)
679 	if (!asoc->peer.auth_capable)
682 	return __sctp_auth_cid(chunk, asoc->peer.peer_chunks);
686 int sctp_auth_recv_cid(enum sctp_cid chunk, const struct sctp_association *asoc)
688 	if (!asoc)
691 	if (!asoc->peer.auth_capable)
695 			      (struct sctp_chunks_param *)asoc->c.auth_chunks);
707 void sctp_auth_calculate_hmac(const struct sctp_association *asoc,
725 	if (key_id == asoc->active_key_id)
726 		asoc_key = asoc->asoc_shared_key;
729 		asoc_key = sctp_auth_asoc_create_secret(asoc, ep_key, gfp);
739 	tfm = asoc->ep->auth_hmacs[hmac_id];
818 		      struct sctp_association *asoc,
829 	if (asoc) {
830 		if (!asoc->peer.auth_capable)
832 		sh_keys = &asoc->endpoint_shared_keys;
868 	if (asoc && asoc->active_key_id == auth_key->sca_keynumber &&
869 	    sctp_auth_asoc_init_active_key(asoc, GFP_KERNEL)) {
881 			     struct sctp_association *asoc,
889 	if (asoc) {
890 		if (!asoc->peer.auth_capable)
892 		sh_keys = &asoc->endpoint_shared_keys;
909 	if (asoc) {
910 		__u16  active_key_id = asoc->active_key_id;
912 		asoc->active_key_id = key_id;
913 		if (sctp_auth_asoc_init_active_key(asoc, GFP_KERNEL)) {
914 			asoc->active_key_id = active_key_id;
924 			 struct sctp_association *asoc,
934 	if (asoc) {
935 		if (!asoc->peer.auth_capable)
937 		if (asoc->active_key_id == key_id)
940 		sh_keys = &asoc->endpoint_shared_keys;
968 			   struct sctp_association *asoc, __u16  key_id)
977 	if (asoc) {
978 		if (!asoc->peer.auth_capable)
980 		if (asoc->active_key_id == key_id)
983 		sh_keys = &asoc->endpoint_shared_keys;
1007 	if (asoc && !list_empty(&key->key_list) &&
1011 		ev = sctp_ulpevent_make_authkey(asoc, key->key_id,
1014 			asoc->stream.si->enqueue_event(&asoc->ulpq, ev);