actube/src/wtp/dot11.c

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/*
This file is part of actube-wtp.
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 <stdio.h>
#include <endian.h>
#include "dot11.h"
uint8_t * mk_frame( uint8_t *b)
{
}
int add_bytes(uint8_t * b, uint8_t *bytes, int len)
{
memcpy(b,bytes,len);
return len;
}
uint16_t get_capab_info(struct apdata *ap)
{
uint16_t capab=0;
capab |= WLAN_CAPAB_ESS;
return capab;
}
int add_ssid_ie(uint8_t *b, const uint8_t *ssid, uint8_t ssid_len)
{
*b = WLAN_EID_SSID;
*(b+1) = ssid_len;
memcpy(b+2,ssid,ssid_len);
return ssid_len+2;
}
int add_ds_ie(uint8_t *b)
{
*b = WLAN_EID_DS_PARAMS;
*(b+1) = 1;
*(b+2) = 6;
return 3;
}
int dot11_get_beacon_head(struct apdata *ap, uint8_t *dst, int *len)
{
uint8_t * buffer = dst;
uint8_t *b = buffer;
printf("t1\n");
/* set-up head */
struct dot11_mgmt_head head;
memset (&head,0,sizeof(head));
printf("t2\n");
head.frame_control = htole16 (DOT11_FTYPE_MGMT | DOT11_STYPE_BEACON);
head.duration = htole16(0);
/* destination address */
memset(head.da, 0xff, sizeof(head.da));
printf("t3\n");
/* source address */
memcpy (head.sa , ap->mac,6);
memcpy (head.bssid , ap->mac,6);
b += add_bytes(b,&head,sizeof(head));
printf("t4\n");
struct dot11_mgmt_beacon beacon;
memset (&beacon,0,sizeof(beacon));
beacon.capab_info=htole16(get_capab_info(ap));
b += add_bytes(b,&beacon,sizeof(beacon));
printf("t5 ss %s\n",ap->ssid);
b += add_ssid_ie(b,ap->ssid,strlen(ap->ssid));
printf("t6\n");
b+= add_ds_ie(b);
printf("return ay<aa\n");
return b-buffer;
}
dot11_get_beacon_data(struct apdata *ap,struct beacon_data *bd)
{
bd->head = malloc(256);
dot11_get_beacon_head(ap,bd->head,&bd->head_len);
return 0;
}