f4b261c717
it's now a macro. FossilOrigin-Name: 02d6a975cfa4ed374295987ab3f33ea248b2775f4d80f41e55d1a51d3a9c7ea9
174 lines
3.5 KiB
C
174 lines
3.5 KiB
C
/*
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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 <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <netinet/in.h>
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#include "capwap.h"
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#include "cw_log.h"
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#include "cw_util.h"
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#include "acinfo.h"
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#include "sock.h"
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/*
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int acinfo_readelem_ac_name(struct ac_info * acinfo,int type, uint8_t *msgelem, int len)
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{
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if (type != CWMSGELEM_AC_NAME)
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return 0;
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cw_setstr(&acinfo->ac_name,msgelem,len);
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return 1;
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}
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*/
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int acinfo_readelem_ac_descriptor(struct ac_info * acinfo,int type, uint8_t *msgelem, int len)
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{
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if (type != CWMSGELEM_AC_DESCRIPTOR)
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return 0;
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if (len<12)
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return -1;
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uint32_t val;
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/* read stations and limit */
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val = ntohl(*((uint32_t*)msgelem));
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acinfo->stations = val>>16;
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acinfo->limit = val&0xffff;
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/* read active wtps and max wtps */
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val = ntohl(*((uint32_t*)(msgelem+4)));
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acinfo->active_wtps = val>>16;
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acinfo->max_wtps = val&0xffff;
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/* read active wtps and max wtps */
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val = ntohl(*((uint32_t*)(msgelem+8)));
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acinfo->security = val >>24;
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acinfo->rmac= (val >> 16)&0xff;
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acinfo->dtls_policy=val&0xf;
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int sub=12;
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int sublen;
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while (sub<len){
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if (len-sub<8)
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return -1;
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uint32_t vendor = ntohl(*((uint32_t*)(msgelem+sub)));
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val = ntohl(*((uint32_t*)(msgelem+sub+4)));
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sublen = val&0xffff;
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sub+=8;
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if (vendor != 0){
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sub+=sublen;
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continue;
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}
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int subtype = val>>16;
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if (sub+sublen>len)
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return -1;
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switch (subtype){
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case 4:
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cw_setstr(&acinfo->hardware_version,msgelem+sub,sublen);
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break;
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case 5:
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cw_setstr(&acinfo->software_version,msgelem+sub,sublen);
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break;
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}
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sub+=sublen;
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}
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return 1;
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}
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int acinfo_readelem_ctrl_ip_addr(struct ac_info * acinfo, int type, uint8_t*msgelem,int len)
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{
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switch (type){
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case CWMSGELEM_CONTROL_IPV4_ADDRESS:
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{
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if (len!=6)
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return -1;
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if (!acinfo->aciplist)
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return 1;
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ACIP * acip = malloc(sizeof(ACIP));
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if (!acip) {
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cw_log(LOG_ERR,"Can't allocate memory for acv4ip: %s",strerror(errno));
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return 1;
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}
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struct sockaddr_in addr;
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memcpy(&addr.sin_addr,msgelem,4);
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addr.sin_family=AF_INET;
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memcpy(&acip->ip,&addr,sizeof(addr));
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acip->wtp_count = ntohs( * ((uint16_t*)(msgelem+4)));
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aciplist_add(acinfo->aciplist,acip);
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// printf ("Read AC IP Elem %s\n",sock_addr2str(&acip->ip));
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// printf ("WTP COUNT HERE %d\n",acip->wtp_count);
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return 1;
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}
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case CWMSGELEM_CONTROL_IPV6_ADDRESS:
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{
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if (len!=18)
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return -1;
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if (!acinfo->aciplist)
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return 1;
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ACIP * acip = malloc(sizeof(ACIP));
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if (!acip) {
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cw_log(LOG_ERR,"Can't allocate memory for acv4ip: %s",strerror(errno));
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return 1;
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}
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struct sockaddr_in6 addr;
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memcpy(&addr.sin6_addr,msgelem,16);
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addr.sin6_family=AF_INET6;
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memcpy(&acip->ip,&addr,sizeof(addr));
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acip->wtp_count = ntohs( * ((uint16_t*)(msgelem+16)));
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aciplist_add(acinfo->aciplist,acip);
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return 1;
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}
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}
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return 0;
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}
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