72 lines
1.8 KiB
C
72 lines
1.8 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 "capwap_items.h"
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#include "dbg.h"
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#include "log.h"
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#include "capwap.h"
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#include "conn.h"
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int cw_out_capwap_local_ip_address(struct conn *conn, struct cw_action_out *action, uint8_t * dst)
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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 (conn->sock,(struct sockaddr *)&a,&alen);
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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 (conn->capwap_mode == CW_MODE_CISCO)
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id = CW_ELEM_WTP_IPV4_IP_ADDRESS;
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else
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id = CW_ELEM_CAPWAP_LOCAL_IPV4_ADDRESS;
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cw_put_data(dst+4,(uint8_t*)&sain->sin_addr,4);
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return 4+cw_put_elem_hdr(dst,id,4);
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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 (conn->capwap_mode == CW_MODE_CISCO)
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id = CW_ELEM_WTP_IPV6_IP_ADDRESS;
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else
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id = CW_ELEM_CAPWAP_LOCAL_IPV6_ADDRESS;
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struct sockaddr_in6 * sain = (struct sockaddr_in6*)&a;
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cw_put_data(dst,(uint8_t*)&sain->sin6_addr,16);
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return 16+cw_put_elem_hdr(dst,id,16);
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}
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}
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return 0;
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}
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