actube/src/capwap/capwap.h

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/*
This file is part of libcapwap.
libcapwap 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 3 of the License, or
(at your option) any later version.
libcapwap 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file
* @brief CAPWAP desfinitions
*/
#ifndef __CAPWAP_H
#define __CAPWAP_H
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <arpa/inet.h>
#include "conn.h"
#include "lwapp.h"
#include "strheap.h"
/* capwap version and iana number */
#define CW_VERSION 0
#define CWIANA_ENTERPRISE_NUMBER 0 /* for capwap base the number */
/* ports */
#define CAPWAP_CONTROL_PORT 5246
#define CAPWAP_CONTROL_PORT_STR "5246"
/**
* CAPWAP modes
*/
enum capwapmodes {
CWMODE_STD = 0,
CWMODE_CISCO,
CWMODE_CIPWAP,
CWMODE_ZYXEL
};
/**
* CAWAP States
*/
enum capwap_states {
CW_STATE_NONE = 0,
CW_STATE_DISCOVERY,
CW_STATE_JOIN,
CW_STATE_CONFIGURE,
CW_STATE_IMAGE_DATA,
CW_STATE_UPDATE,
CW_STATE_RUN
};
/* transport header flags */
#define CWTH_FLAGS_R1 0x01 /* bit 0 reserved 1 */
#define CWTH_FLAGS_R2 0x02 /* bit 1 reserved 2 */
#define CWTH_FLAGS_R3 0x04 /* bit 2 reserved 3 */
#define CWTH_FLAGS_K 0x08 /* bit 3 Keep alive flag */
#define CWTH_FLAGS_M 0x10 /* bit 4 MAC Adress field present */
#define CWTH_FLAGS_W 0x20 /* bit 5 wireless info present */
#define CWTH_FLAGS_L 0x40 /* bit 6 last fragment */
#define CWTH_FLAGS_F 0x80 /* bit 7 fragment */
#define CWTH_FLAGS_T 0x100 /* bit 8 type of payload frame */
/**
* CAWAP header flags.
*/
#define CW_FLAG_HDR_R1 0x01 /* bit 0 reserved 1 */
#define CW_FLAG_HDR_R2 0x02 /* bit 1 reserved 2 */
#define CW_FLAG_HDR_R3 0x04 /* bit 2 reserved 3 */
#define CW_FLAG_HDR_K 0x08 /* bit 3 Keep alive flag */
#define CW_FLAG_HDR_M 0x10 /* bit 4 MAC Adress field present */
#define CW_FLAG_HDR_W 0x20 /* bit 5 wireless info present */
#define CW_FLAG_HDR_L 0x40 /* bit 6 last fragment */
#define CW_FLAG_HDR_F 0x80 /* bit 7 fragment */
#define CW_FLAG_HDR_T 0x100 /* bit 8 type of payload frame */
/* wireless binding ids */
#define CWTH_WBID_RESERVED1 0
#define CWTH_WBID_IEEE80211 1
#define CWTH_WBID_RESERVED2 2
#define CWTH_WBID_EPCGLOBAL 3
#define CAPWAP_PACKET_PREAMBLE (CW_VERSION<<4)
#define CAPWAP_DTLS_PACKET_PREAMBLE (CW_VERSION<<4|1)
/*
* control header stuff
*/
/*
struct capwap_ctrlhdr
{
int msgtype;
int seqnum;
int flags;
uint8_t * msgelems;
int msgelemslen;
};
*/
//extern int capwap_parse_trnsprthdr(struct capwap_trnsprthdr * cwh,uint8_t *msg, int msglen);
//extern int capwap_parse_ctrlhdr(struct capwap_ctrlhdr * ch,uint8_t * msg, int len);
/* CAPWAP message types as defined in RFC 5416 */
#define CW_MSG_DISCOVERY_REQUEST 1
#define CW_MSG_DISCOVERY_RESPONSE 2
#define CW_MSG_JOIN_REQUEST 3
#define CW_MSG_JOIN_RESPONSE 4
#define CW_MSG_CONFIGURATION_STATUS_REQUEST 5
#define CW_MSG_CONFIGURATION_STATUS_RESPONSE 6
#define CW_MSG_CONFIGURATION_UPDATE_REQUEST 7
#define CW_MSG_CONFIGURATION_UPDATE_RESPONSE 8
#define CW_MSG_WTP_EVENT_REQUEST 9
#define CW_MSG_WTP_EVENT_RESPONSE 10
#define CW_MSG_CHANGE_STATE_EVENT_REQUEST 11
#define CW_MSG_CHANGE_STATE_EVENT_RESPONSE 12
#define CW_MSG_ECHO_REQUEST 13
#define CW_MSG_ECHO_RESPONSE 14
#define CW_MSG_IMAGE_DATA_REQUEST 15
#define CW_MSG_IMAGE_DATA_RESPONSE 16
#define CW_MSG_RESET_REQUEST 17
#define CW_MSG_RESET_RESPONSE 18
#define CW_MSG_PRIMARY_DISCOVERY_REQUEST 19
#define CW_MSG_PRIMARY_DISCOVERY_RESPONSE 20
#define CW_MSG_DATA_TRANSFER_REQUEST 21
#define CW_MSG_DATA_TRANSFER_RESPONSE 22
#define CW_MSG_CLEAR_CONFIGURATION_REQUEST 23
#define CW_MSG_CLEAR_CONFIGURATION_RESPONSE 24
#define CW_STATION_CONFIGURATION_REQUEST 25
#define CW_STATION_CONFIGURATION_RESPONSE 26
#define CW_MSG_MAXMSG 26
/*
* CAPWAP message elements as defined in RFC 5415
*/
#define CW_ELEM_AC_DESCRIPTOR 1
#define CW_ELEM_AC_IPV4_LIST 2
#define CW_ELEM_AC_IPV6_LIST 3
#define CW_ELEM_AC_NAME 4
#define CW_ELEM_AC_NAME_WITH_PRIORITY 5
#define CW_ELEM_AC_NAME_WITH_INDEX 5 /* Draft 7 naming */
#define CW_ELEM_AC_TIMESTAMP 6
#define CW_ELEM_ADD_MAC_ACL_ENTRY 7
#define CW_ELEM_ADD_STATION 8
#define CW_ELEM_RESERVED_9 9
#define CW_ELEM_CAPWAP_CONTROL_IPV4_ADDRESS 10
#define CW_ELEM_CAPWAP_CONTROL_IPV6_ADDRESS 11
#define CW_ELEM_CAPWAP_LOCAL_IPV4_ADDRESS 30
#define CW_ELEM_CAPWAP_LOCAL_IPV6_ADDRESS 50
#define CW_ELEM_CAPWAP_TIMERS 12
#define CW_ELEM_CAPWAP_TRANSPORT_PROTOCOL 51 /* not in draft 7 */
#define CW_ELEM_DATA_TRANSFER_DATA 13
#define CW_ELEM_DATA_TRANSFER_MODE 14
#define CW_ELEM_DECRYPTION_ERROR_REPORT 15
#define CW_ELEM_DECRYPTION_ERROR_REPORT_PERIOD 16
#define CW_ELEM_DELETE_MAC_ACL_ENTRY 17
#define CW_ELEM_DELETE_STATION 18
#define CW_ELEM_RESERVED_19 19
#define CW_ELEM_DISCOVERY_TYPE 20
#define CW_ELEM_DUPLICATE_IPV4_ADDRESS 21
#define CW_ELEM_DUPLICATE_IPV6_ADRESS 22
#define CWMSGELEM_ECN_SUPPORT 53
#define CW_ELEM_IDLE_TIMEOUT 23
#define CW_ELEM_IMAGE_DATA 24
#define CW_ELEM_IMAGE_IDENTIFIER 25
#define CW_ELEM_IMAGE_INFORMATION 26
#define CW_ELEM_INITIATE_DOWNLOAD 27
#define CW_ELEM_LOCATION_DATA 28
#define CWMSGELEM_MAXIMUM_MESSAGE_LENGTH 29
#define CWMSGELEM_MTU_DISCOVERY_PADDING 52
#define CWMSGELEM_RADIO_ADMINISTRATIVE_STATE 31
#define CW_ELEM_RADIO_OPERATIONAL_STATE 32
#define CW_ELEM_RESULT_CODE 33
#define CW_ELEM_RETURNED_MESSAGE_ELEMENT 34
#define CW_ELEM_SESSION_ID 35
#define CW_ELEM_STATISTICS_TIMER 36
#define CW_ELEM_VENDOR_SPECIFIC_PAYLOAD 37
#define CW_ELEM_WTP_BOARD_DATA 38
#define CW_ELEM_WTP_DESCRIPTOR 39
#define CW_ELEM_WTP_FALLBACK 40
#define CW_ELEM_WTP_FRAME_TUNNEL_MODE 41
#define CW_ELEM_RESERVED_42 42
#define CW_ELEM_RESERVED_43 43
#define CW_ELEM_WTP_MAC_TYPE 44
#define CW_ELEM_WTP_NAME 45
#define CW_ELEM_RESERVED_46 46
#define CW_ELEM_WTP_RADIO_STATISTICS 47
#define CW_ELEM_WTP_REBOOT_STATISTICS 48
#define CW_ELEM_WTP_STATIC_IP_ADDRESS_INFORMATION 49
#define CW_ELEM_WTP_STATIC_IP_ADDR_INFO 49
/* Cisco's CAPWAP definitions (CAPWAP draft 7) */
#define CW_ELEM_WTP_IPV4_IP_ADDRESS 42
#define CW_ELEM_WTP_IPV6_IP_ADDRESS 43
/* pseudo message elements, defined for libcapwap */
#define XCWMSGELEM_CAPWAP_LOCAL_IP_ADDRESS 0x10000 /* means LOCAL_IPV4 or IPV6 ADRESS */
#define XCWMSGELEM_CAPWAP_CONTROL_IP_ADDRESS 0x20000 /* means LOCAL_IPV4 or IPV6 ADRESS */
#define XCWMSGELEM_CAPWAP_RADIO_INFO 0x30000 /* a radio info element */
/* wtp board data subelements */
#define CW_BOARDDATA_MODELNO 0
#define CW_BOARDDATA_SERIALNO 1
#define CW_BOARDDATA_BOARDID 2
#define CW_BOARDDATA_REVISION 3
#define CW_BOARDDATA_MACADDRESS 4
/* AC Security flags for authentication */
#define CW_FLAG_AC_SECURITY_R 1 /* Reserved */
#define CW_FLAG_AC_SECURITY_X 2 /* X.509 */
#define CW_FLAG_AC_SECURITY_S 4 /* DTLS psk */
#define CW_FLAG_RMAC_RESERVED 0
#define CW_FLAG_RMAC_SUPPORTED 1
#define CW_FLAG_RMAC_NOT_SUPPORTED 2
#define CW_SUBELEM_WTP_HARDWARE_VERSION 0
#define CW_SUBELEM_WTP_SOFTWARE_VERSION 1
#define CW_SUBELEM_WTP_BOOTLOADER_VERSION 2
#define CW_SUBELEM_WTP_OTHERSOFTWARE_VERSION 3
#define CW_SUBELEM_AC_HARDWARE_VERSION 4
#define CW_SUBELEM_AC_SOFTWARE_VERSION 5
#include "wtpinfo.h"
#include "acinfo.h"
/* Frame tunnnel mode bits */
#define WTP_FRAME_TUNNEL_MODE_R 1 /* Reserved */
#define WTP_FRAME_TUNNEL_MODE_L 2 /* Local bridging */
#define WTP_FRAME_TUNNEL_MODE_E 4 /* 802.3 mode */
#define WTP_FRAME_TUNNEL_MODE_N 8 /* native mode */
#include "radioinfo.h"
#include "wtpinfo.h"
#define CW_DISCOVERY_TYPE_UNKNOWN 0
#define CW_DISCOVERY_TYPE_STATIC 1
#define CW_DISCOVERY_TYPE_DHCP 2
#define CW_DISCOVERY_TYPE_DNS 3
#define CW_DISCOVERY_TYPE_AC_REFERRAL 4
/* wtpinfo methods */
extern void wtpinfo_set_location(struct wtpinfo *wtpinfo, uint8_t * str, int len);
extern int wtpinfo_set_radioinfo(struct wtpinfo *wtpinfo, uint8_t * msgelem, int len);
/* wtp mac types */
#define WTP_MAC_TYPE_LOCAL 0
#define WTP_MAC_TYPE_SPLIT 1
#define WTP_MAC_TYPE_BOTH 2
//#define CWMSG_MAX_SIZE 65536
#define CWMSG_MAX_SIZE 2048
/* capwap timer default values */
#define CAPWAP_DISCOVERY_INTERVAL 5
#define CAPWAP_MAX_DISCOVERY_INTERVAL 20
#define CAPWAP_RETRANSMIT_INTERVAL 3
#define CAPWAP_MAX_DISCOVERIES 10
#define CAPWAP_MAX_RETRANSMIT 5
#define CAPWAP_SILENT_INTERVAL 30
#define CAPWAP_ECHO_INTERVAL 30
#define CAPWAP_WAIT_DTLS 60
#define CAPWAP_WAIT_JOIN 60
//#define CAPWAP_CIPHER "PSK-AES128-CBC-SHA:"
//#define CAPWAP_CIPHER "AES128-SHA"
#ifdef WITH_GNUTLS
#define CAPWAP_CIPHER "NORMAL"
#else
#define CAPWAP_CIPHER "ALL"
#endif
/* AC descriptor security flags */
#define AC_SECURITY_X 2 /* X.509 */
#define AC_SECURITY_S 4 /* PSK support */
/* AC dtls policy flags */
#define CW_FLAG_DTLS_POLICY_R 1 /* Clear data channel support */
#define CW_FLAG_DTLS_POLICY_C 2 /* Clear data channel support */
#define CW_FLAG_DTLS_POLICY_D 4 /* DTLS Data channel support */
struct cwimage_data {
uint8_t *data;
uint8_t type;
int len;
uint32_t vendor_id;
uint8_t *identifier;
};
/*
struct cwimage_identifier{
uint32_t vendor_id;
char *name;
};
*/
extern void cwmsg_addelem_wtp_descriptor(struct cwmsg *cwmsg, struct wtpinfo *wtpinfo);
extern void cwmsg_addelem_ctrl_ip_addrs(struct cwmsg *msg, struct ac_info *acinfo);
extern void cwmsg_addelem_wtp_board_data(struct cwmsg *cwmsg, struct wtpinfo *wtpinfo);
extern void cwmsg_addelem_cw_local_ip_addr(struct cwmsg *msg, struct conn *conn);
//extern void cwmsg_addelem_wtp_radio_infos(struct cwmsg * cwmsg,struct wtpinfo * wtpinfo);
extern void cwmsg_addelem_wtp_radio_infos(struct cwmsg *msg,
struct radioinfo *radioinfos);
//extern void cwmsg_addelem_result_code(struct cwmsg *msg, int rc);
extern void cwmsg_addelem_vendor_specific_payload(struct cwmsg *msg, int vendor_id,
int type, uint8_t * payload, int len);
//extern void cwsend_discovery_reponse(struct conn * conn, struct ac_info * acinfo);
//extern int process_msgelems(uint8_t * msgelems, int len,
// int (*callback)(void*,int,uint8_t*,int),void *arg );
//void cwsend_discovery_response(struct conn * conn,int seqnum, struct radioinfo * radioinfo, struct ac_info * acinfo, struct wtpinfo * wtpinfo);
//
extern void cwsend_discovery_response(struct conn *conn, int seqnum,
struct radioinfo *radioinfo, struct ac_info *acinfo,
struct wtpinfo *wtpinfo);
extern int cwsend_discovery_request(struct conn *conn, struct radioinfo *radioinfo,
struct wtpinfo *wtpinfo);
extern void cwsend_join_response(struct conn *conn, int seqnum, int rc,
struct radioinfo *radioinfo, struct ac_info *acinfo,
struct wtpinfo *wtpinfo);
//extern void cwread_discovery_request(struct wtpinfo *wtpinfo, uint8_t * msg, int len);
extern void process_join_request(struct wtpinfo *wtpinfo, uint8_t * msg, int len);
extern void process_conf_status_request(struct wtpinfo *wtpinfo, uint8_t * msg, int len);
extern void cwread_discovery_response(struct ac_info *acinfo, uint8_t * msg, int len);
extern void cwsend_image_data_response(struct conn *conn, int seqnum, int rc);
extern int cwsend_image_data_request(struct conn *conn, struct cwimage_data *data,
struct image_identifier *id);
extern int cwread_change_state_event_request(struct wtpinfo *wtpinfo, uint8_t * msg,
int len);
extern void cwsend_change_state_event_response(struct conn *conn, int seqnum,
struct radioinfo *radioinfo);
extern int cwread_wtp_event_request(struct wtpinfo *wtpinfo, uint8_t * msg, int len);
extern void cwread_configuration_status_request(struct wtpinfo *wtpinfo, uint8_t * msg,
int len);
extern void cwsend_conf_status_response(struct conn *conn, int seqnum, int rc,
struct radioinfo *radioinfo,
struct ac_info *acinfo, struct wtpinfo *wtpinfo);
extern void cwsend_unknown_response(struct conn *conn, int seqnum, int unknow_request);
extern int hdr_print(char *str, uint8_t * packet, int len);
extern int cw_readelem_ecn_support(uint8_t * ecn_support, int type, uint8_t * msgelem,
int len);
extern int cw_readelem_maximum_message_length(uint16_t * dst, int type, uint8_t * msgelem,
int len);
extern int cw_readelem_ac_name(uint8_t ** dst, int type, uint8_t * msgelem, int len);
extern int cw_readelem_wtp_reboot_statistics(struct wtp_reboot_statistics *s, int type,
uint8_t * msgelem, int len);
extern int cw_readelem_cw_local_ip_addr(struct sockaddr *local_ip, int type,
uint8_t * msgelem, int len);
extern int cw_readelem_radio_administrative_state(struct radioinfo *radioinfo, int type,
uint8_t * msgelem, int len);
extern int cw_readelem_radio_operational_state(struct radioinfo *radioinfo, int type,
uint8_t * msgelem, int len);
extern int cw_readelem_statistics_timer(uint16_t * timer, int type, uint8_t * msgelem,
int len);
extern int cw_readelem_result_code(uint32_t * result_code, int type, uint8_t * msgelem,
int len);
extern int cw_readelem_mtu_discovery_padding(int type, uint8_t * msgelem, int len);
extern int cw_readelem_vendor_specific_payload(void *data, int msgtype, int elemtype,
uint8_t * msgelem, int len);
#define CW_VENDOR_ID_FSF 11591
#define CW_VENDOR_ID_ZYXEL 890
#define CW_VENDOR_ID_CISCO LW_VENDOR_ID_CISCO
#define CW_RESULT_SUCCESS 0
#define CW_RESULT_MISSING_AC_LIST 1
#define CW_RESULT_SUCCESS_NAT 2
#define CW_RESULT_JOIN_FAILURE 3
#define CW_RESULT_JOIN_RESOURCE_DEPLETION 4
#define CW_RESULT_JOIN_UNKNOWN_SOURCE 5
#define CW_RESULT_JOIN_INCORRECT_DATA 6
#define CW_RESULT_JOIN_FAILURE_SESSION_ALREADY_IN_USE 7
#define CW_RESULT_JOIN_FAILURE_WTP_HARDWARE_NOT_SUPPORTED 8
#define CW_RESULT_JOIN_FAILURE_BINDING_NOT_SUPPORTED 9
#define CW_RESULT_RESET_FAILURE_UNABLE_TO_RESET 10
#define CW_RESULT_RESET_FAILURE_FIRMWARE_WRITE_ERROR 11
#define CW_RESULT_CONFIGURATION_FAILURE 12 //Configuration Failure (Unable to Apply Requested Configuration
// - Service Provided Anyhow)
/*
13 Configuration Failure (Unable to Apply Requested Configuration
- Service Not Provided)
14 Image Data Error (Invalid Checksum)
*/
#define CW_RESULT_IMAGE_DATA_IVALID_LENGTH 15 //Image Data Error (Invalid Data Length)
#define CW_RESULT_IMAGE_DATA_OTHER_ERROR 16 //Image Data Error (Other Error)
/*
17 Image Data Error (Image Already Present)
*/
#define CW_RESULT_MSG_INVALID_IN_CURRENT_STATE 18
#define CW_RESULT_MSG_UNRECOGNIZED 19
#define CW_RESULT_MISSING_MAND_ELEM 20
/*
21 Failure - Unrecognized Message Element
22 Data Transfer Error (No Information to Transfer)
*/
extern void cw_read_image_data_request(struct cwimage_data *, uint8_t * msg, int len);
extern int cw_readelem_ac_descriptor(struct ac_info *acinfo, int type, uint8_t * msgelem,
int len);
extern int cw_readelem_capwap_local_ip_addr(struct sockaddr *local_ip, int type,
uint8_t * msgelem, int len);
extern int cw_send_echo_response(struct conn *conn, int seqnum,
struct radioinfo *radioinfo);
extern int cw_handle_echo_request(void *d);
extern void cw_send_image_file(struct conn *conn, FILE * infile);
extern int cw_readmsg_configuration_status_response(uint8_t * elems, int elems_len);
extern int cw_readmsg_configuration_update_request(uint8_t * elems, int elems_len);
/* Use some macros from LWAPP */
#define cw_put_byte lw_put_byte
#define cw_put_word lw_put_word
#define cw_put_dword lw_put_dword
#define cw_put_data lw_put_data
#define cw_put_bstr lw_put_bstr
#define cw_set_dword lw_set_dword
#define cw_get_byte lw_get_byte
#define cw_get_word lw_get_word
#define cw_get_dword lw_get_dword
/* macro to isolate bits from a dword */
#define cw_get_dword_bits(src,start,len) ((~(0xFFFFFFFF<<len)) & (src >> (32 - start - len)))
/* macros to acces transport header values */
#define cw_get_hdr_preamble(th) (th[0])
#define cw_get_hdr_fragid(th) ((ntohl((((uint32_t*)th)[1]) >> 16) & 0xffff))
#define cw_get_hdr_fragoffset(th) ((ntohl((((uint32_t*)th)[1]) >> 3) & 0x1fff))
#define cw_get_hdr_rid(th) ((ntohl((((uint32_t*)th)[0]) >> 14) & 0x1f))
#define cw_get_hdr_wbid(th) ((ntohl(((uint32_t*)th)[0]) >> 9) & 0x1f)
#define cw_get_hdr_hlen(th) ((ntohl(((uint32_t*)th)[0]) >> 19) & 0x1f)
#define cw_get_hdr_rmac(th) (th+8)
#define cw_get_hdr_rmac_len(th) (*(th+8))
#define cw_get_hdr_rmac_size(th) cw_get_hdr_rmac_len(th)
#define cw_get_hdr_rmac_data(th) (th+9)
#define cw_get_hdr_flag_r1(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R1 ) ? 1:0)
#define cw_get_hdr_flag_r2(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R2 ) ? 1:0)
#define cw_get_hdr_flag_r3(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_R3 ) ? 1:0)
#define cw_get_hdr_flag_k(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_K ) ? 1:0)
#define cw_get_hdr_flag_m(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_M ) ? 1:0)
#define cw_get_hdr_flag_w(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_W ) ? 1:0)
#define cw_get_hdr_flag_l(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_L ) ? 1:0)
#define cw_get_hdr_flag_f(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_F ) ? 1:0)
#define cw_get_hdr_flag_t(th) ((ntohl( *((uint32_t*)th)) & CWTH_FLAGS_T ) ? 1:0)
#define cw_get_hdr_msg_offset(th) (4*cw_get_hdr_hlen(th))
#define cw_get_hdr_msg_elems_offset(th) (cw_get_hdr_msg_offset(th)+8)
#define cw_set_hdr_preamble(th,v) ((*th)=v)
/**
* Set the HLEN field of a CAWAP Header
* @param th pointer to the header
* @param hlen velue to set (max. 5 bits)
*/
static inline void cw_set_hdr_hlen(uint8_t *th,int hlen){
uint32_t d = cw_get_dword(th);
d &= (0x1f << 19) ^ 0xffffffff;
d |= ((hlen) & 0x1f) <<19;
cw_set_dword(th,d);
}
/**
* Set the WBID field of a CAWAP Header
* @param th pointer to the header
* @param hlen velue to set (max. 5 bits)
*/
static inline void cw_set_hdr_wbid(uint8_t *th,int wbid){
uint32_t d = cw_get_dword(th);
d &= (0x1f << 9) ^ 0xffffffff;
d |= ((wbid) & 0x1f) <<9;
cw_set_dword(th,d);
}
/**
* Set the RID field of a CAWAP Header
* @param th pointer to the header
* @param hlen velue to set (max. 5 bits)
*/
static inline void cw_set_hdr_rid(uint8_t *th,int rid){
uint32_t d = cw_get_dword(th);
d &= (0x1f << 9) ^ 0xffffffff;
d |= ((rid) & 0x1f) <<14;
cw_set_dword(th,d);
}
/**
* Set CAPWAP header flags
* @param th pointer to header
* @param flags list of flags to set or unset
* @param set 1=set flag, 0=unset flag
*/
#define cw_set_hdr_flags(th,flags,set) \
( set ? ((*((uint32_t*)th)) |= htonl(flags)) : ((*((uint32_t*)th)) &= (0xffffffff^htonl(flags))) )
#define cw_set_hdr_flag_f(th,set) cw_set_hdr_flag(th, CW_FLAG_HDR_F)
/* Macros for message headers */
#define cw_get_msg_id(msgptr) (cw_get_dword(msgptr))
#define cw_get_msg_type(msgptr) cw_get_msg_id(msgptr)
#define cw_get_msg_seqnum(msgptr) cw_get_byte( (msgptr) +4 )
#define cw_get_msg_elems_len(msgptr) ( cw_get_word( (msgptr) +5 )-3)
#define cw_get_msg_elems_ptr(msgptr) ((msgptr)+8)
#define cw_set_msg_id(msgptr,t) cw_put_dword(msgptr,t)
#define cw_set_msg_type(msgptr,t) cw_set_msg_id(msgptr,t)
#define cw_set_msg_seqnum(msgptr,s) cw_put_byte( (msgptr) +4,s);
#define cw_set_msg_elems_len(msgptr,n) (cw_put_word((msgptr)+5,(n+3)))
#define cw_set_msg_flags(msgptr,f) (cw_put_byte( (msgptr)+7,f))
static inline uint8_t *cw_get_hdr_msg_elems_ptr(uint8_t * m)
{
return cw_get_msg_elems_ptr(m + cw_get_hdr_msg_offset(m));
}
static inline uint8_t * cw_get_hdr_msg_ptr(uint8_t *rawmsg)
{
return rawmsg + cw_get_hdr_msg_offset(rawmsg);
}
#define cw_get_hdr_msg_id(ptr)\
cw_get_msg_id(cw_get_hdr_msg_ptr(ptr))
#define cw_get_hdr_msg_type cw_get_hdr_msg_id
static inline int cw_get_hdr_msg_total_len(uint8_t * rawmsg)
{
int offset = cw_get_hdr_msg_offset(rawmsg);
return offset + cw_get_msg_elems_len(rawmsg + offset)+8 ;
}
/**
* Get length of a CAPWAP message elemet
* @param e pointer to element (uint8_t*)
* @return length of element
*/
#define cw_get_elem_type(e) cw_get_word(e)
#define cw_get_elem_id(e) cw_get_elem_type(e)
/**
* Get type of a CAPWAP message element
* @pram e pointer to element (uint8_t*)
* @return type of element
*/
#define cw_get_elem_len(e) cw_get_word((e)+2)
/**
* Get a pointer to the data of a CAPWAP message element
* @param e pointer to message element
* @return pointer to data
*/
#define cw_get_elem_data(e) ((e)+4)
/**
* Iterate through message elements of a CAPWAP message
* @param i iterator witch points to the current element (uint8_t*)
* @param elems pointer to message elements (uint8_t*)
* @param len length of message element buffer
*
* You can use this macro like a for loop.
*
* uint8_t * i
* cw_foreach_elem(i,elem,len){
* ...
* print_message(i);
* ...
* }
*/
#define cw_foreach_elem(i,elems,len) for(i=elems; i<elems+len; i=i+4+cw_get_elem_len(i))
/**
* Put a message element header to buffer
* @param dst pointer to buffer (uint8_t)
* @param type tpe of message element
* @param len length of message element data
* @return the number bytes put (always 4)
*/
#define cw_put_elem_hdr(dst,type,len) \
(cw_put_dword(dst, (((uint32_t)type)<<16) | (len)),4)
/**
* Put a message element header for a message to contain a vendor specific payload
* @param dst pointer to destination buffer
* @param vendorid vendorid
* @param elementid element id of vendor specific data
* @len length of vendor specific data
* @return the number of bytes put (always 10)
*/
static inline int cw_put_elem_vendor_hdr(uint8_t * dst, uint32_t vendorid,
uint16_t elemid, uint16_t len)
{
cw_put_elem_hdr(dst, CW_ELEM_VENDOR_SPECIFIC_PAYLOAD, len + 6);
cw_put_dword(dst + 4, vendorid);
cw_put_word(dst + 8, elemid);
return 10;
}
#define cw_put_sockaddr lw_put_sockaddr
/**
* Add a message element to a buffer
* @param dst pointer to buffer
* @type message element type
* @data pointer to data
* @length of message element
* @return the number of bytes put
*/
static inline int cw_addelem(uint8_t * dst, uint16_t type, uint8_t * data, uint16_t len)
{
int l = cw_put_elem_hdr(dst, type, len);
return l + cw_put_data(dst + l, data, len);
}
static inline int cw_addelem_bstr(uint8_t * dst, uint16_t type, const bstr_t bstr)
{
return cw_addelem(dst, type, bstr_data(bstr), bstr_len(bstr));
}
static inline int cw_put_elem_result_code(uint8_t * dst, uint32_t code)
{
cw_put_dword(dst + 4, code);
return 4 + cw_put_elem_hdr(dst, CW_ELEM_RESULT_CODE, 4);
}
static inline int cw_addelem_radio_operational_state(uint8_t * dst, struct radioinfo *ri)
{
cw_put_byte(dst + 4 + 0, ri->rid);
cw_put_byte(dst + 4 + 1, ri->state);
cw_put_byte(dst + 4 + 2, ri->cause);
return 3 + cw_put_elem_hdr(dst, CW_ELEM_RADIO_OPERATIONAL_STATE, 3);
}
/*
#define cw_put_elem_vendor_hdr(dst,vendorid,elemid,len)\
(cw_put_elem_hdr(dst,CW_ELEM_VENDOR_SPECIFIC_PAYLOAD, \
cw_put_dword(dst+4,vendorid) + cw_put_word(dst+8,elemid) +len ))
#define cw_addelem(dst,type,data,len)\
(cw_put_elem_hdr(dst,type,len)+cw_put_data(dst+4,data,len))
*/
/*
#define cw_addelem_vendor_specific_payload(dst,vendorid,elemid,data,len)\
(cw_put_elem_vendor_hdr(dst,vendorid,elemid,len) + \
cw_put_data(dst+10,data,len))
*/
extern int cw_addelem_vendor_specific_payload(uint8_t * dst, uint32_t vendorid,
uint16_t elemid, uint8_t * data,
uint16_t len);
extern void cw_prepare_configuration_status_request(struct conn *conn,
struct radioinfo *radioinfo,
struct wtpinfo *wtpinfo);
extern void cw_prepare_change_state_event_request(struct conn *conn,
struct radioinfo *radioinfo,
struct wtpinfo *wtpinfo);
extern int cw_send_configuration_update_response(struct conn *conn, int seqnum,
struct radioinfo *radioinfo);
#define cw_addelem_ac_name(dst,name) \
cw_addelem(dst,CW_ELEM_AC_NAME,name,strlen((char*)(name)))
#define cw_addelem_session_id(dst,sessid)\
cw_addelem_bstr(dst,CW_ELEM_SESSION_ID,sessid)
/* cwmsg methods */
static inline int cw_addelem_result_code(uint8_t * dst, uint32_t code)
{
cw_put_dword(dst + 4, code);
return 4 + cw_put_elem_hdr(dst, CW_ELEM_RESULT_CODE, 4);
}
#define cwmsg_addelem_vendor_specific_payload(cwmsg,vendor_id, type, data,len) \
(cwmsg)->pos+=cw_addelem_vendor_specific_payload((cwmsg)->msgelems+(cwmsg)->pos,vendor_id,type,data,len)
#define cwmsg_addelem_ac_name(cwmsg,name) \
(cwmsg)->pos+=cw_addelem_ac_name((cwmsg)->msgelems+(cwmsg)->pos,name)
#define cwmsg_addelem_session_id(cwmsg,sessid) \
(cwmsg)->pos+=cw_addelem_session_id((cwmsg)->msgelems+(cwmsg)->pos,sessid)
#define cwmsg_addelem_result_code(cwmsg,code) \
(cwmsg)->pos+=cw_addelem_result_code((cwmsg)->msgelems+(cwmsg)->pos,code)
#define cwmsg_addelem_radio_operational_state(cwmsg,ri) \
(cwmsg)->pos+=cw_addelem_radio_operational_state((cwmsg)->msgelems+(cwmsg)->pos,ri)
/* Message to text stuff */
/* Constants to string conversion lists */
extern struct cw_str capwap_strings_msg[];
extern struct cw_str capwap_strings_state[];
extern struct cw_str capwap_strings_vendor[];
extern struct cw_str capwap_strings_elem[];
extern struct cw_str capwap_strings_result[];
#define cw_strmsg(id) cw_strlist_get_str(capwap_strings_msg,id)
#define cw_strelem(id) cw_strlist_get_str(capwap_strings_elem,id)
#define cw_strstate(id) cw_strlist_get_str(capwap_strings_state,id)
#define cw_strvendor(id) cw_strlist_get_str(capwap_strings_vendor,id)
#define cw_strresult(id) cw_strlist_get_str(capwap_strings_result,(id))
static inline const char * cw_strelemp_(cw_strheap_t h, int msg_id) {
const char * rc = cw_strheap_get(h,msg_id);
if (rc)
return rc;
return cw_strheap_get(h,CW_STR_STOP);
}
#define cw_strelemp(p,id) cw_strelemp_((p)->strelem,id)
extern const char *cw_strlist_get_str(struct cw_str *s, int id);
//int cw_process_msg(struct conn *conn, uint8_t * rawmsg, int len);
extern int cw_in_generic(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
extern int cw_in_vendor_specific_payload(struct conn *conn, struct cw_action_in *a,
uint8_t * data, int len);
extern int cw_in_wtp_name(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
extern int cw_in_wtp_board_data(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
extern int cw_in_wtp_descriptor(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
extern int cw_in_capwap_control_ipv4_address(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
//extern int cw_out_generic(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len);
extern int cw_out_generic(struct conn *conn, struct cw_action_out *a, uint8_t * dst); //, struct cw_item *item);
//extern int cw_out_ac_descriptor(struct conn *conn, uint32_t elem_id, uint8_t * dst,
//struct cw_item *item);
extern int cw_out_ac_descriptor(struct conn *conn,struct cw_action_out * a,uint8_t *dst); //,struct cw_item * item)
//extern int cw_out_capwap_control_ip_addrs(struct conn *conn, uint32_t elem_id,
// uint8_t * dst, struct cw_item *item);
extern int cw_out_capwap_control_ip_addr_list(struct conn *conn,struct cw_action_out *a,uint8_t *dst) ;
extern int cw_put_msg(struct conn *conn, uint8_t * rawout);
struct cw_ac_status {
int stations;
int limit;
int active_wtps;
int max_wtps;
int security;
int rmac_field;
int dtls_policy;
};
/**
* Put an cw_ac_stauts structure to a buffer
* @param dst destination buffer
* @param s #cw_ac_status to put
* @return number of bytes put
* This function is only useful (used) in conjunction with
* putting AC Descriptor message elements.
*/
static inline int cw_put_ac_status(uint8_t *dst, struct cw_ac_status *s){
uint8_t *d=dst;
d += cw_put_dword (d, (s->stations << 16) | (s->limit) );
d += cw_put_dword (d, (s->active_wtps <<16) | (s->max_wtps) );
d += cw_put_dword (d, (s->security<<24) | (s->rmac_field<<16) | (s->dtls_policy));
return d-dst;
}
static inline int cw_put_version(uint8_t *dst,uint16_t subelem_id, uint8_t *v)
{
uint8_t *d=dst;
d += cw_put_dword(d,vendorstr_get_vendor_id(v));
d += cw_put_dword(d, (subelem_id<<16) | vendorstr_len(v));
d += cw_put_data(d,vendorstr_data(v),vendorstr_len(v));
return d-dst;
}
int cw_register_actions_capwap_ac(struct cw_actiondef *def);
int cw_register_actions_cipwap_ac(struct cw_actiondef *def);
int cw_register_actions_capwap_wtp(struct cw_actiondef *def);
int cw_in_set_state_none(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len);
struct cw_item *cw_out_get_outgoing(struct conn *conn, struct cw_action_out *a);
struct cw_item *cw_out_get_local(struct conn *conn, struct cw_action_out *a);
extern int cw_in_check_join_resp(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
extern int cw_in_check_disc_req(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len);
int cw_in_check_disc_resp(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int cw_check_missing_mand(cw_action_in_t ** out, struct conn * conn, cw_action_in_t *a);
int cw_in_check_join_req(struct conn *conn, struct cw_action_in *a, uint8_t * data, int len);
int cw_in_check_img_data_req(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len);
int cw_out_wtp_board_data(struct conn *conn,struct cw_action_out * a,uint8_t *dst) ;
void cw_init_request(struct conn *conn,int msg_id);
/**
* @defgroup TimerFunctions Timer functions
* @{
*/
/**
* Start a timer.
* @param t number of seconds until the timer expires
* @return timer value to initialize a variable of time_t
*
* Example: time_t timer = cw_timer_start(60);
*/
#define cw_timer_start(t) (time(NULL)+t)
/**
* Check if a timer is expired.
* @param t an time_t variable intializes by #cw_timer_start
* @return 0=timer is not expired\n 1=timer is expired.
*/
#define cw_timer_timeout(t) (time(NULL)>t ? 1 : 0)
/** @} */
int cw_send_request(struct conn *conn,int msg_id);
#endif