redesigned IKE_SA using a transaction mechanism:

removed old state machine
  reimplemented IKE_SA setup and delete
  implemented dead peer detection
  implemented keep-alives
  a lot of fixes
  no rekeying yet

src/charon/config/proposal.c

@@ -572,6 +572,8 @@ proposal_t *proposal_create_default(protocol_id_t protocol)
 			add_algorithm(this, INTEGRITY_ALGORITHM,    AUTH_HMAC_SHA1_96, 0);
 			add_algorithm(this, INTEGRITY_ALGORITHM,    AUTH_HMAC_MD5_96,  0);
 			break;
+		default:
+			break;
 	}
 	
 	return &this->public;