80 lines
1.9 KiB
C
80 lines
1.9 KiB
C
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/*
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This file is part of libcapwap.
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libcapwap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Foobar. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include "capwap.h"
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#include "cwmsg.h"
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#include "conn.h"
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uint8_t * cw_addelem(uint8_t * buf,int type, uint8_t *elem, int len)
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{
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uint32_t val = type<<16|len;
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*((uint32_t*)(buf))=htonl(val);
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buf+=4;
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memcpy(buf,elem,len);
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return buf+len;
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}
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void cw_addelem_capwap_local_ip_addr(struct cwmsg *msg, int sock, int cw_mode)
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{
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struct sockaddr_storage a;
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socklen_t alen = sizeof(struct sockaddr_storage);
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getsockname (sock,(struct sockaddr *)&a,&alen);
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int cw_mode = cwmsg->capwap_mode;
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switch (((struct sockaddr*)&a)->sa_family){
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case AF_INET:
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{
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struct sockaddr_in * sain = (struct sockaddr_in*)&a;
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int id;
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if (cw_mode == CWMODE_CISCO)
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id = CWMSGELEM_WTP_IPV4_IP_ADDR;
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else
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id = CWMSGELEM_CAPWAP_LOCAL_IPV4_ADDRESS;
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cwmsg_addelem(msg,id,(uint8_t*)&sain->sin_addr,4);
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break;
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}
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case AF_INET6:
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{
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int id;
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if (cw_mode == CWMODE_CISCO)
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id = CWMSGELEM_WTP_IPV6_IP_ADDR;
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else
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id = CWMSGELEM_CAPWAP_LOCAL_IPV6_ADDRESS;
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struct sockaddr_in6 * sain = (struct sockaddr_in6*)&a;
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return cwmsg_addelem(msg,id,(uint8_t*)&sain->sin6_addr,16);
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}
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break;
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}
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}
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