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FossilOrigin-Name: ecb0d05ed50fcf56ce4278a1d8fcdae4bb112694ba72762b349f04a2bf66789d
This commit is contained in:
7u83@mail.ru 2015-03-15 11:36:43 +00:00
parent ca0e8255ea
commit 203803bd9e
1 changed files with 110 additions and 0 deletions
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110
src/capwap/cw_readelem_ac_descriptor.c Normal file
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#include <stdio.h>
#include "capwap.h"
#include "acinfo.h"
#include "bstr.h"
static int read_subelem_cisco(struct ac_info* acinfo,int subtype,uint8_t * elem, int len)
{
switch (subtype) {
case 0:
/* software version */
bstr_replace(&acinfo->software_version,bstr_create(elem,len));
break;
case 1:
/* hardware version */
bstr_replace(&acinfo->hardware_version,bstr_create(elem,len));
break;
default:
printf("What? %d\n",subtype);
}
return 1;
}
static int read_subelem(struct ac_info* acinfo,int subtype,uint8_t *elem, int len)
{
switch (subtype){
case 4:
/* hardware version */
bstr_replace(&acinfo->hardware_version,bstr_create(elem,len));
break;
case 5:
/* software version */
bstr_replace(&acinfo->software_version,bstr_create(elem,len));
break;
}
return 1;
}
int cw_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;
int subtype = val>>16;
switch (vendor) {
case 0:
read_subelem(acinfo,subtype,msgelem+sub,sublen);
break;
case CW_VENDOR_ID_CISCO:
read_subelem_cisco(acinfo,subtype,msgelem+sub,sublen);
break;
}
if (sub+sublen>len)
return -1;
sub+=sublen;
}
return 1;
}