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FossilOrigin-Name: 0aa876c69075e8f3cdaa8e31f75fbbb37fe4fcdf1cbe0d355af4c2390e4ecd31
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7u83@mail.ru 2016-02-26 17:55:40 +00:00
parent b9c5bdb2a8
commit 26a8ea439c
3 changed files with 434 additions and 0 deletions
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155
src/capwap/mod/capwap/capwap.h Normal file
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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 Definitions for CAPWAP
*/
#ifndef __CAPWAPMSG_H
#define __CAPWAPMSG_H
/**
*@addtogroup CAPWAPConstants
*@{
*/
/**
* CAPWAP message types as defined in RFC 5416
*/
enum cw_message_types{
/**Discovery Request = 1*/
CW_MSG_DISCOVERY_REQUEST = 1,
/** Discovery Response = 2 */
CW_MSG_DISCOVERY_RESPONSE = 2,
/** Join Request = 3 */
CW_MSG_JOIN_REQUEST = 3,
/** Join Response = 4 */
CW_MSG_JOIN_RESPONSE = 4,
/** Config. Status Request = 5*/
CW_MSG_CONFIGURATION_STATUS_REQUEST = 5,
/** Config. Status Response = 6 */
CW_MSG_CONFIGURATION_STATUS_RESPONSE = 6,
CW_MSG_CONFIGURATION_UPDATE_REQUEST = 7,
CW_MSG_CONFIGURATION_UPDATE_RESPONSE = 8,
CW_MSG_WTP_EVENT_REQUEST = 9,
CW_MSG_WTP_EVENT_RESPONSE = 10,
CW_MSG_CHANGE_STATE_EVENT_REQUEST = 11,
CW_MSG_CHANGE_STATE_EVENT_RESPONSE = 12,
CW_MSG_ECHO_REQUEST = 13,
CW_MSG_ECHO_RESPONSE = 14,
CW_MSG_IMAGE_DATA_REQUEST = 15,
CW_MSG_IMAGE_DATA_RESPONSE = 16,
CW_MSG_RESET_REQUEST = 17,
CW_MSG_RESET_RESPONSE = 18,
CW_MSG_PRIMARY_DISCOVERY_REQUEST = 19,
CW_MSG_PRIMARY_DISCOVERY_RESPONSE = 20,
CW_MSG_DATA_TRANSFER_REQUEST = 21,
CW_MSG_DATA_TRANSFER_RESPONSE = 22,
CW_MSG_CLEAR_CONFIGURATION_REQUEST = 23,
CW_MSG_CLEAR_CONFIGURATION_RESPONSE = 24,
CW_STATION_CONFIGURATION_REQUEST = 25,
CW_STATION_CONFIGURATION_RESPONSE = 26,
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 CW_ELEM_AC_NAME_WITH_PRIORITY /* 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 CW_ELEM_MAXIMUM_MESSAGE_LENGTH 29
#define CWMSGELEM_MTU_DISCOVERY_PADDING 52
#define CW_ELEM_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
#endif

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src/capwap/mod/capwap/capwap_in_wtp_board_data.c Normal file
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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/>.
*/
#include <stdlib.h>
#include <string.h>
#include "capwap/capwap.h"
#include "capwap/capwap_items.h"
#include "capwap/mbag.h"
#include "capwap/cw_util.h"
#include "capwap/dbg.h"
static void readsubelems_wtp_board_data(mbag_t itemstore, uint8_t * msgelem,
int len)
{
if (len<4)
return;
int i = 0;
uint32_t val;
do {
val = ntohl(*((uint32_t *) (msgelem + i)));
int subtype = (val >> 16) & 0xffff;
int sublen = val & 0xffff;
i += 4;
if (sublen + i > len) {
cw_dbg(DBG_ELEM_ERR,
"WTP Board data sub-element too long, type=%d,len=%d",
subtype, sublen);
return;
}
cw_dbg(DBG_SUBELEM, "Reading WTP board data sub-element, type=%d, len=%d",
subtype, sublen);
switch (subtype) {
case CW_BOARDDATA_MODELNO:
mbag_set_bstrn(itemstore,
CW_ITEM_WTP_BOARD_MODELNO,
msgelem + i, sublen);
break;
case CW_BOARDDATA_SERIALNO:
mbag_set_bstrn(itemstore,
CW_ITEM_WTP_BOARD_SERIALNO,
msgelem + i, sublen);
break;
case CW_BOARDDATA_MACADDRESS:
mbag_set_bstrn(itemstore,
CW_ITEM_WTP_BOARD_MACADDRESS,
msgelem + i, sublen);
break;
case CW_BOARDDATA_BOARDID:
mbag_set_bstrn(itemstore, CW_ITEM_WTP_BOARD_ID,
msgelem + i, sublen);
break;
case CW_BOARDDATA_REVISION:
mbag_set_bstrn(itemstore,
CW_ITEM_WTP_BOARD_REVISION,
msgelem + i, sublen);
default:
break;
}
i += sublen;
} while (i < len);
}
/**
* Parse a WTP Board Data messag element and put results to itemstore.
*/
int capwap_in_wtp_board_data(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len, struct sockaddr *from)
{
if (len < 4) {
cw_dbg(DBG_ELEM_ERR,
"Discarding WTP_BOARD_DATA msgelem, wrong size, type=%d, len=%d",
a->elem_id, len);
return 0;
}
mbag_t itemstore = conn->incomming;
mbag_set_dword(itemstore, CW_ITEM_WTP_BOARD_VENDOR, cw_get_dword(data));
readsubelems_wtp_board_data(itemstore, data + 4, len - 4);
return 1;
}

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src/capwap/mod/capwap/capwap_in_wtp_descriptor.c Normal file
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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/>.
*/
#include "capwap/capwap.h"
#include "capwap/capwap_items.h"
#include "capwap/cw_util.h"
#include "capwap/dbg.h"
#include "capwap/sock.h"
static int cw_read_wtp_descriptor_versions(mbag_t mbag, uint8_t * data,
int len, int silent)
{
int i = 0;
while (i<len) {
if (i + 8 > len) {
if (!silent)
cw_dbg(DBG_ELEM_ERR,
"WTP descriptor sub-element too long, length=%d>%d",
i + 8, len);
return 0;
}
uint32_t vendor_id = cw_get_dword(data + i);
uint32_t val = cw_get_dword(data + i + 4);
int subtype = (val >> 16) & 0xffff;
int sublen = val & 0xffff;
i += 8;
if (sublen + i > len) {
if (!silent)
cw_dbg(DBG_ELEM_ERR,
"WTP Descriptor sub-element too long, length = %d",
sublen);
return 0;
}
if (!silent) {
char *dmp;
char *dmpmem = NULL;
if (cw_dbg_is_level(DBG_SUBELEM_DMP)) {
dmpmem = cw_dbg_mkdmp(data + i, sublen);
dmp = dmpmem;
} else
dmp = "";
cw_dbg(DBG_SUBELEM, "WTP Descriptor subtype=%d,len=%d%s", subtype,
sublen, dmp);
if (dmpmem)
free(dmpmem);
}
switch (subtype) {
case CW_SUBELEM_WTP_HARDWARE_VERSION:
mbag_set_vendorstr(mbag,
CW_ITEM_WTP_HARDWARE_VERSION,
vendor_id, data + i, sublen);
break;
case CW_SUBELEM_WTP_SOFTWARE_VERSION:
mbag_set_vendorstr(mbag,
CW_ITEM_WTP_SOFTWARE_VERSION,
vendor_id, data + i, sublen);
break;
case CW_SUBELEM_WTP_BOOTLOADER_VERSION:
mbag_set_vendorstr(mbag,
CW_ITEM_WTP_BOOTLOADER_VERSION,
vendor_id, data + i, sublen);
/*
mbag_set_dword(mbag,
CW_ITEM_WTP_BOOTLOADER_VENDOR,
vendor_id);
mbag_set_bstrn(mbag,
CW_ITEM_WTP_BOOTLOADER_VERSION,
data + i, sublen);
*/
break;
default:
if (!silent)
cw_dbg(DBG_ELEM_ERR,
"Unknown WTP descriptor subelement, type = %d",
subtype);
break;
}
i += sublen;
} //while (i < len);
return 1;
}
static int cw_read_wtp_descriptor(mbag_t mbag, struct conn *conn,
struct cw_action_in *a, uint8_t * data, int len,
int silent)
{
mbag_set_byte(mbag, CW_ITEM_WTP_MAX_RADIOS, cw_get_byte(data));
mbag_set_byte(mbag, CW_ITEM_WTP_RADIOS_IN_USE,
cw_get_byte(data + 1));
/* Get number of encryption elements */
int ncrypt = cw_get_byte(data + 2);
if (ncrypt == 0) {
if (conn->strict_capwap) {
if (!silent)
cw_dbg(DBG_ELEM_ERR,
"Bad WTP Descriptor, number of encryption elements is 0.");
return 0;
}
if (!silent)
cw_dbg(DBG_RFC,
"Non standard conform WTP Descriptor, number of encryptoin elements is 0.");
}
int pos = 3;
int i;
for (i = 0; i < ncrypt; i++) {
// It's a dummy for now
pos += 3;
}
return cw_read_wtp_descriptor_versions(mbag, data + pos, len - pos, silent);
}
int capwap_in_wtp_descriptor(struct conn *conn, struct cw_action_in *a, uint8_t * data,
int len, struct sockaddr *from)
{
mbag_t mbag = conn->incomming;
return cw_read_wtp_descriptor(mbag, conn, a, data, len, 0);
}