| /* $Id */ |
| /* |
| * Copyright (C) 2003-2005 Benny Prijono <benny@prijono.org> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| #ifndef __PJ_STUN_H__ |
| #define __PJ_STUN_H__ |
| |
| #include <pj/types.h> |
| #include <pj/sock.h> |
| |
| PJ_BEGIN_DECL |
| |
| #define PJ_STUN_MAX_ATTR 16 |
| |
| typedef enum pj_stun_msg_type |
| { |
| PJ_STUN_BINDING_REQUEST = 0x0001, |
| PJ_STUN_BINDING_RESPONSE = 0x0101, |
| PJ_STUN_BINDING_ERROR_RESPONSE = 0x0111, |
| PJ_STUN_SHARED_SECRET_REQUEST = 0x0002, |
| PJ_STUN_SHARED_SECRET_RESPONSE = 0x0102, |
| PJ_STUN_SHARED_SECRET_ERROR_RESPONSE = 0x0112 |
| } pj_stun_msg_type; |
| |
| typedef enum pj_stun_attr_type |
| { |
| PJ_STUN_ATTR_MAPPED_ADDR = 1, |
| PJ_STUN_ATTR_RESPONSE_ADDR, |
| PJ_STUN_ATTR_CHANGE_REQUEST, |
| PJ_STUN_ATTR_SOURCE_ADDR, |
| PJ_STUN_ATTR_CHANGED_ADDR, |
| PJ_STUN_ATTR_USERNAME, |
| PJ_STUN_ATTR_PASSWORD, |
| PJ_STUN_ATTR_MESSAGE_INTEGRITY, |
| PJ_STUN_ATTR_ERROR_CODE, |
| PJ_STUN_ATTR_UNKNOWN_ATTRIBUTES, |
| PJ_STUN_ATTR_REFLECTED_FORM |
| } pj_stun_attr_type; |
| |
| typedef struct pj_stun_msg_hdr |
| { |
| pj_uint16_t type; |
| pj_uint16_t length; |
| pj_uint32_t tsx[4]; |
| } pj_stun_msg_hdr; |
| |
| typedef struct pj_stun_attr_hdr |
| { |
| pj_uint16_t type; |
| pj_uint16_t length; |
| } pj_stun_attr_hdr; |
| |
| typedef struct pj_stun_mapped_addr_attr |
| { |
| pj_stun_attr_hdr hdr; |
| pj_uint8_t ignored; |
| pj_uint8_t family; |
| pj_uint16_t port; |
| pj_uint32_t addr; |
| } pj_stun_mapped_addr_attr; |
| |
| typedef pj_stun_mapped_addr_attr pj_stun_response_addr_attr; |
| typedef pj_stun_mapped_addr_attr pj_stun_changed_addr_attr; |
| typedef pj_stun_mapped_addr_attr pj_stun_src_addr_attr; |
| typedef pj_stun_mapped_addr_attr pj_stun_reflected_form_attr; |
| |
| typedef struct pj_stun_change_request_attr |
| { |
| pj_stun_attr_hdr hdr; |
| pj_uint32_t value; |
| } pj_stun_change_request_attr; |
| |
| typedef struct pj_stun_username_attr |
| { |
| pj_stun_attr_hdr hdr; |
| pj_uint32_t value[1]; |
| } pj_stun_username_attr; |
| |
| typedef pj_stun_username_attr pj_stun_password_attr; |
| |
| typedef struct pj_stun_error_code_attr |
| { |
| pj_stun_attr_hdr hdr; |
| pj_uint16_t ignored; |
| pj_uint8_t err_class; |
| pj_uint8_t number; |
| char reason[4]; |
| } pj_stun_error_code_attr; |
| |
| typedef struct pj_stun_msg |
| { |
| pj_stun_msg_hdr *hdr; |
| int attr_count; |
| pj_stun_attr_hdr *attr[PJ_STUN_MAX_ATTR]; |
| } pj_stun_msg; |
| |
| /* STUN message API (stun.c). */ |
| |
| PJ_DECL(pj_status_t) pj_stun_create_bind_req( pj_pool_t *pool, |
| void **msg, pj_size_t *len, |
| pj_uint32_t id_hi, |
| pj_uint32_t id_lo); |
| PJ_DECL(pj_status_t) pj_stun_parse_msg( void *buf, pj_size_t len, |
| pj_stun_msg *msg); |
| PJ_DECL(void*) pj_stun_msg_find_attr( pj_stun_msg *msg, pj_stun_attr_type t); |
| |
| PJ_DECL(pj_status_t) pj_stun_get_mapped_addr( pj_pool_factory *pf, |
| int sock_cnt, pj_sock_t sock[], |
| const pj_str_t *srv1, int port1, |
| const pj_str_t *srv2, int port2, |
| pj_sockaddr_in mapped_addr[]); |
| |
| PJ_END_DECL |
| |
| #endif /* __PJ_STUN_H__ */ |
| |