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authorStar Rauchenberger <fefferburbia@gmail.com>2025-06-27 00:05:27 -0400
committerStar Rauchenberger <fefferburbia@gmail.com>2025-06-27 00:05:27 -0400
commitf8c2c11a4513aeda91aad9a7d199a2b0b1042111 (patch)
tree01cf4b64cbe5b65422ec6836cdb246f0bdd65eb8 /src
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Format beacon frames
Diffstat (limited to 'src')
-rw-r--r--src/beacon_data.cpp84


-rw-r--r--src/beacon_data.h3


-rw-r--r--src/main.cpp97


3 files changed, 184 insertions, 0 deletions
diff --git a/src/beacon_data.cpp b/src/beacon_data.cpp
new file mode 100644
index 0000000..a93eb59
--- /dev/null
+++ b/src/beacon_data.cpp

@@ -0,0 +1,84 @@


1#include "beacon_data.h"


2


3const unsigned char kBeaconPayloads[][128] =


4    {


5        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


6         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, 0xfc, 0x00, 0x09, 0x62, 0x00, 0x58, 0x6f,


7         0x20, 0x49, 0x62, 0x55, 0xc4, 0x61, 0x46, 0x6e, 0xeb, 0x7e, 0xa4, 0x18, 0xac, 0x00, 0x9e, 0x01,


8         0xff, 0x7b, 0x8c, 0x31, 0xfa, 0x00, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11,


9         0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x22, 0x22, 0x22, 0x11, 0x22, 0x22, 0x32, 0x11, 0x22,


10         0x22, 0x33, 0x11, 0x22, 0x32, 0x43, 0x11, 0x22, 0x33, 0x44, 0x11, 0x32, 0x43, 0x54, 0x11, 0x11,


11         0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x22, 0x33, 0x33, 0x33, 0x33, 0x43, 0x44, 0x44, 0x43, 0x44,


12         0x55, 0x55, 0x44, 0x55, 0x61, 0x66, 0x55, 0x61, 0x66, 0x66, 0x64, 0x66, 0xc7, 0x88, 0x11, 0x11},


13        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


14         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x01, 0x93, 0x75, 0x01, 0x09, 0x62, 0x00, 0x11, 0x11,


15         0x11, 0x11, 0x11, 0x11, 0x33, 0x33, 0x33, 0x22, 0x44, 0x44, 0x34, 0x33, 0x55, 0x55, 0x44, 0x34,


16         0x66, 0x16, 0x55, 0x44, 0x66, 0x66, 0x16, 0x55, 0x88, 0x7c, 0x66, 0x46, 0x11, 0x11, 0x11, 0x01,


17         0x11, 0x11, 0x11, 0x11, 0x22, 0x22, 0x22, 0x11, 0x23, 0x22, 0x22, 0x11, 0x33, 0x22, 0x22, 0x11,


18         0x34, 0x23, 0x22, 0x11, 0x44, 0x33, 0x22, 0x11, 0x45, 0x34, 0x23, 0x11, 0x11, 0x32, 0x43, 0x45,


19         0x11, 0x32, 0x44, 0x65, 0x11, 0x33, 0x54, 0x61, 0x11, 0x43, 0x54, 0x66, 0x11, 0x43, 0x15, 0x76,


20         0x11, 0x43, 0x65, 0xc6, 0x11, 0x43, 0x65, 0x86, 0x11, 0x43, 0x65, 0x66, 0x66, 0x87, 0x88, 0x88},


21        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


22         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x02, 0x60, 0x72, 0x02, 0x09, 0x62, 0x00, 0xb6, 0x88,


23         0x88, 0x88, 0x87, 0x88, 0x88, 0x88, 0x88, 0x88, 0xb8, 0x67, 0x88, 0x88, 0x6b, 0x66, 0x88, 0xb8,


24         0x66, 0x0a, 0x88, 0x78, 0xa6, 0x99, 0x66, 0x66, 0x06, 0x99, 0x88, 0x88, 0x78, 0x66, 0x88, 0x88,


25         0x88, 0x6b, 0x88, 0x88, 0x88, 0x78, 0x76, 0x8b, 0x88, 0x88, 0x66, 0xb6, 0x88, 0x88, 0xa0, 0x66,


26         0x8b, 0x88, 0x99, 0x6a, 0x87, 0x88, 0x99, 0x60, 0x66, 0x66, 0x54, 0x34, 0x23, 0x11, 0x56, 0x44,


27         0x23, 0x11, 0x16, 0x45, 0x33, 0x11, 0x66, 0x45, 0x34, 0x11, 0x67, 0x51, 0x34, 0x11, 0x6c, 0x56,


28         0x34, 0x11, 0x68, 0x56, 0x34, 0x11, 0x66, 0x56, 0x34, 0x11, 0x11, 0x43, 0x65, 0x66, 0x11, 0x43},


29        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


30         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x03, 0xf2, 0x5f, 0x03, 0x09, 0x62, 0x00, 0x65, 0x96,


31         0x11, 0x43, 0x65, 0x06, 0x11, 0x43, 0x15, 0xa6, 0x11, 0x43, 0x54, 0x66, 0x11, 0x33, 0x54, 0x61,


32         0x11, 0x32, 0x44, 0x65, 0x11, 0x32, 0x43, 0x45, 0x66, 0x66, 0x06, 0x99, 0x99, 0xa9, 0xa6, 0x99,


33         0x99, 0x09, 0x66, 0x0a, 0x99, 0x99, 0x60, 0x66, 0x90, 0x99, 0x09, 0x6a, 0x9a, 0x99, 0x99, 0x99,


34         0xa6, 0x99, 0x99, 0x99, 0x66, 0x0a, 0x99, 0x99, 0x99, 0x60, 0x66, 0x66, 0x99, 0x6a, 0x9a, 0x99,


35         0xa0, 0x66, 0x90, 0x99, 0x66, 0x06, 0x99, 0x99, 0xa6, 0x90, 0x99, 0x09, 0x99, 0x99, 0x99, 0xa9,


36         0x99, 0x99, 0x99, 0x6a, 0x99, 0x99, 0xa0, 0x66, 0x66, 0x56, 0x34, 0x11, 0x69, 0x56, 0x34, 0x11},


37        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


38         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x04, 0x0c, 0x63, 0x04, 0x09, 0x62, 0x00, 0x60, 0x56,


39         0x34, 0x11, 0x6a, 0x51, 0x34, 0x11, 0x66, 0x45, 0x34, 0x11, 0x16, 0x45, 0x33, 0x11, 0x56, 0x44,


40         0x23, 0x11, 0x54, 0x34, 0x23, 0x11, 0x11, 0x32, 0x43, 0x54, 0x11, 0x22, 0x33, 0x44, 0x11, 0x22,


41         0x32, 0x43, 0x11, 0x22, 0x22, 0x33, 0x11, 0x22, 0x22, 0x32, 0x11, 0x22, 0x22, 0x22, 0x11, 0x11,


42         0x11, 0x11, 0x10, 0x11, 0x11, 0x11, 0x64, 0x66, 0x0a, 0x90, 0x55, 0x61, 0x66, 0x66, 0x44, 0x55,


43         0x61, 0x66, 0x43, 0x44, 0x55, 0x55, 0x33, 0x43, 0x44, 0x44, 0x22, 0x33, 0x33, 0x33, 0x11, 0x11,


44         0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x09, 0xa0, 0x66, 0x46, 0x66, 0x66, 0x16, 0x55, 0x66, 0x16},


45        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


46         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x05, 0x74, 0x83, 0x05, 0x09, 0x62, 0x00, 0x55, 0x44,


47         0x55, 0x55, 0x44, 0x34, 0x44, 0x44, 0x34, 0x33, 0x33, 0x33, 0x33, 0x22, 0x11, 0x11, 0x11, 0x11,


48         0x11, 0x11, 0x11, 0x11, 0x45, 0x34, 0x23, 0x11, 0x44, 0x33, 0x22, 0x11, 0x34, 0x23, 0x22, 0x11,


49         0x33, 0x22, 0x22, 0x11, 0x23, 0x22, 0x22, 0x11, 0x22, 0x22, 0x22, 0x11, 0x11, 0x11, 0x11, 0x11,


50         0x11, 0x11, 0x11, 0x01, 0x00, 0x03, 0x57, 0x00, 0x69, 0x00, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00,


51         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x50, 0x00, 0x6f, 0x00,


52         0x6b, 0x00, 0x65, 0x00, 0x6d, 0x00, 0x6f, 0x00, 0x6e, 0x00, 0x20, 0x00, 0x46, 0x00, 0x61, 0x00},


53        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


54         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x06, 0x59, 0xf3, 0x06, 0x09, 0x62, 0x00, 0x72, 0x00,


55         0x6d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


56         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


57         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


58         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


59         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4e, 0x00, 0x49, 0x00, 0x4e, 0x00,


60         0x54, 0x00, 0x45, 0x00, 0x4e, 0x00, 0x44, 0x00, 0x4f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},


61        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


62         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x07, 0x96, 0xf6, 0x07, 0x09, 0x62, 0x00, 0x00, 0x00,


63         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


64         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


65         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


66         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


67         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


68         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},


69        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


70         0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x08, 0xaf, 0xf6, 0x08, 0x09, 0x48, 0x00, 0x00, 0x00,


71         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


72         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


73         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


74         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


75         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


76         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},


77        {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00,


78         0x86, 0x02, 0x40, 0x00, 0x02, 0x00, 0x00, 0x09, 0xfd, 0xff, 0x01, 0x00, 0x01, 0x00, 0x00, 0x00,


79         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


80         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


81         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


82         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


83         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,


84         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}};
diff --git a/src/beacon_data.h b/src/beacon_data.h
new file mode 100644
index 0000000..25fd734
--- /dev/null
+++ b/src/beacon_data.h

@@ -0,0 +1,3 @@


1#define BEACON_PAYLOAD_LENGTH 128


2


3extern const unsigned char kBeaconPayloads[][128];
diff --git a/src/main.cpp b/src/main.cpp
new file mode 100644
index 0000000..aad5545
--- /dev/null
+++ b/src/main.cpp

@@ -0,0 +1,97 @@


1#include <fcntl.h>


2#include <libwifi.h>


3#include <net/if.h>


4#include <netinet/ip.h>


5#include <pcap/pcap.h>


6#include <stdio.h>


7#include <sys/ioctl.h>


8#include <unistd.h>


9


10#include "beacon_data.h"


11


12int get_interface_mac_address(int sock, const char *interface, unsigned char *output)


13{


14  struct ifreq ifr = {0};


15  strcpy(ifr.ifr_name, interface);


16


17  if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0)


18  {


19    return -1;


20  }


21


22  memcpy(output, ifr.ifr_hwaddr.sa_data, 6);


23  return 0;


24}


25


26int main(int argc, char **argv)


27{


28  int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP);


29  if (sock == -1)


30  {


31    printf("Could not open socket.\n");


32    return 1;


33  }


34


35  unsigned char tx_addr[6];


36  if (get_interface_mac_address(sock, "wlo1", tx_addr))


37  {


38    printf("Could not get hardware address.\n");


39    return 2;


40  }


41


42  static unsigned char bcast[] = "\xFF\xFF\xFF\xFF\xFF\xFF";


43  struct libwifi_beacon beacon = {0};


44


45  if (libwifi_create_beacon(&beacon, bcast, tx_addr, tx_addr, "ballze", 7))


46  {


47    printf("Could not create beacon frame.\n");


48    return 3;


49  }


50


51  libwifi_remove_tag(&beacon.tags, TAG_SSID);


52


53  unsigned char payload_data[BEACON_PAYLOAD_LENGTH + 8];


54  payload_data[0] = 0x00;


55  payload_data[1] = 0x09;


56  payload_data[2] = 0xBF;


57  payload_data[3] = 0x00;


58  payload_data[4] = 0xFF;


59  payload_data[5] = 0xFF;


60  payload_data[6] = 0x00;


61  payload_data[7] = 0x00;


62  memcpy(payload_data + 8, kBeaconPayloads[0], BEACON_PAYLOAD_LENGTH);


63


64  if (libwifi_quick_add_tag(&beacon.tags, TAG_VENDOR_SPECIFIC, payload_data, BEACON_PAYLOAD_LENGTH + 8))


65  {


66    printf("Could not add beacon data tag.\n");


67    return 6;


68  }


69


70  size_t beacon_size = libwifi_get_beacon_length(&beacon);


71  unsigned char *beacon_output = (unsigned char *)malloc(beacon_size);


72  if (beacon_output == NULL)


73  {


74    printf("Could not allocate beacon output.\n");


75    return 4;


76  }


77


78  if (libwifi_dump_beacon(&beacon, beacon_output, beacon_size) < 0)


79  {


80    printf("Could not dump beacon.\n");


81    return 5;


82  }


83


84  libwifi_free_beacon(&beacon);


85


86  int fd = open("output.dat", O_WRONLY | O_CREAT, 00600);


87


88  static unsigned char radiotap[] = "\x00\x00\x08\x00\x00\x00\x00\x00";


89  write(fd, radiotap, 8);


90


91  write(fd, beacon_output, beacon_size);


92  close(fd);


93


94  free(beacon_output);


95


96  return 0;


97}
 

generated by cgit-pink 1.4.1 (git 2.36.1) at 2025-11-07 19:41:43 +0000