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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,
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 CWMSGELEM_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 CWBOARDDATA_MODELNO 0
#define CWBOARDDATA_SERIALNO 1
#define CWBOARDDATA_BOARDID 2
#define CWBOARDDATA_REVISION 3
#define CWBOARDDATA_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_FAILURE 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_FAILURE_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)
15 Image Data Error (Invalid Data Length)
16 Image Data Error (Other Error)
17 Image Data Error (Image Already Present)
18 Message Unexpected (Invalid in Current State)
19 Message Unexpected (Unrecognized Request)
*/
#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 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 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_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);
}
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 */
#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[];
#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_strelemp(p,id) cw_strheap_get((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_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_addrs(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, uint32_t vendor_id,bstr16_t data)
{
uint8_t *d=dst;
d += cw_put_dword(d,vendor_id);
d += cw_put_dword(d, (subelem_id<<16) | bstr16_len(data));
d += cw_put_data(d,bstr16_data(data),bstr16_len(data));
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_in_set_state_none(struct conn *conn,struct cw_action_in * a,uint8_t *data,int len);
struct cw_item *cw_out_get_local(struct conn *conn, struct cw_action_out *a);
#endif
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