actube/src/capwap/acinfo.c
7u83@mail.ru f4b261c717 Removed acinfo_readelem_ac_name
it's now a macro.

FossilOrigin-Name: 02d6a975cfa4ed374295987ab3f33ea248b2775f4d80f41e55d1a51d3a9c7ea9
2014-08-14 23:30:43 +00:00

174 lines
3.5 KiB
C

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