From f8c2c11a4513aeda91aad9a7d199a2b0b1042111 Mon Sep 17 00:00:00 2001 From: Star Rauchenberger Date: Fri, 27 Jun 2025 00:05:27 -0400 Subject: Format beacon frames --- src/beacon_data.cpp | 84 ++++++++++++++++++++++++++++++++++++++++++++++ src/beacon_data.h | 3 ++ src/main.cpp | 97 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 184 insertions(+) create mode 100644 src/beacon_data.cpp create mode 100644 src/beacon_data.h create mode 100644 src/main.cpp (limited to 'src') 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 @@ +#include "beacon_data.h" + +const unsigned char kBeaconPayloads[][128] = + { + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x9f, 0xfc, 0x00, 0x09, 0x62, 0x00, 0x58, 0x6f, + 0x20, 0x49, 0x62, 0x55, 0xc4, 0x61, 0x46, 0x6e, 0xeb, 0x7e, 0xa4, 0x18, 0xac, 0x00, 0x9e, 0x01, + 0xff, 0x7b, 0x8c, 0x31, 0xfa, 0x00, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x11, + 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x22, 0x22, 0x22, 0x11, 0x22, 0x22, 0x32, 0x11, 0x22, + 0x22, 0x33, 0x11, 0x22, 0x32, 0x43, 0x11, 0x22, 0x33, 0x44, 0x11, 0x32, 0x43, 0x54, 0x11, 0x11, + 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x22, 0x33, 0x33, 0x33, 0x33, 0x43, 0x44, 0x44, 0x43, 0x44, + 0x55, 0x55, 0x44, 0x55, 0x61, 0x66, 0x55, 0x61, 0x66, 0x66, 0x64, 0x66, 0xc7, 0x88, 0x11, 0x11}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x01, 0x93, 0x75, 0x01, 0x09, 0x62, 0x00, 0x11, 0x11, + 0x11, 0x11, 0x11, 0x11, 0x33, 0x33, 0x33, 0x22, 0x44, 0x44, 0x34, 0x33, 0x55, 0x55, 0x44, 0x34, + 0x66, 0x16, 0x55, 0x44, 0x66, 0x66, 0x16, 0x55, 0x88, 0x7c, 0x66, 0x46, 0x11, 0x11, 0x11, 0x01, + 0x11, 0x11, 0x11, 0x11, 0x22, 0x22, 0x22, 0x11, 0x23, 0x22, 0x22, 0x11, 0x33, 0x22, 0x22, 0x11, + 0x34, 0x23, 0x22, 0x11, 0x44, 0x33, 0x22, 0x11, 0x45, 0x34, 0x23, 0x11, 0x11, 0x32, 0x43, 0x45, + 0x11, 0x32, 0x44, 0x65, 0x11, 0x33, 0x54, 0x61, 0x11, 0x43, 0x54, 0x66, 0x11, 0x43, 0x15, 0x76, + 0x11, 0x43, 0x65, 0xc6, 0x11, 0x43, 0x65, 0x86, 0x11, 0x43, 0x65, 0x66, 0x66, 0x87, 0x88, 0x88}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x02, 0x60, 0x72, 0x02, 0x09, 0x62, 0x00, 0xb6, 0x88, + 0x88, 0x88, 0x87, 0x88, 0x88, 0x88, 0x88, 0x88, 0xb8, 0x67, 0x88, 0x88, 0x6b, 0x66, 0x88, 0xb8, + 0x66, 0x0a, 0x88, 0x78, 0xa6, 0x99, 0x66, 0x66, 0x06, 0x99, 0x88, 0x88, 0x78, 0x66, 0x88, 0x88, + 0x88, 0x6b, 0x88, 0x88, 0x88, 0x78, 0x76, 0x8b, 0x88, 0x88, 0x66, 0xb6, 0x88, 0x88, 0xa0, 0x66, + 0x8b, 0x88, 0x99, 0x6a, 0x87, 0x88, 0x99, 0x60, 0x66, 0x66, 0x54, 0x34, 0x23, 0x11, 0x56, 0x44, + 0x23, 0x11, 0x16, 0x45, 0x33, 0x11, 0x66, 0x45, 0x34, 0x11, 0x67, 0x51, 0x34, 0x11, 0x6c, 0x56, + 0x34, 0x11, 0x68, 0x56, 0x34, 0x11, 0x66, 0x56, 0x34, 0x11, 0x11, 0x43, 0x65, 0x66, 0x11, 0x43}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x03, 0xf2, 0x5f, 0x03, 0x09, 0x62, 0x00, 0x65, 0x96, + 0x11, 0x43, 0x65, 0x06, 0x11, 0x43, 0x15, 0xa6, 0x11, 0x43, 0x54, 0x66, 0x11, 0x33, 0x54, 0x61, + 0x11, 0x32, 0x44, 0x65, 0x11, 0x32, 0x43, 0x45, 0x66, 0x66, 0x06, 0x99, 0x99, 0xa9, 0xa6, 0x99, + 0x99, 0x09, 0x66, 0x0a, 0x99, 0x99, 0x60, 0x66, 0x90, 0x99, 0x09, 0x6a, 0x9a, 0x99, 0x99, 0x99, + 0xa6, 0x99, 0x99, 0x99, 0x66, 0x0a, 0x99, 0x99, 0x99, 0x60, 0x66, 0x66, 0x99, 0x6a, 0x9a, 0x99, + 0xa0, 0x66, 0x90, 0x99, 0x66, 0x06, 0x99, 0x99, 0xa6, 0x90, 0x99, 0x09, 0x99, 0x99, 0x99, 0xa9, + 0x99, 0x99, 0x99, 0x6a, 0x99, 0x99, 0xa0, 0x66, 0x66, 0x56, 0x34, 0x11, 0x69, 0x56, 0x34, 0x11}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x04, 0x0c, 0x63, 0x04, 0x09, 0x62, 0x00, 0x60, 0x56, + 0x34, 0x11, 0x6a, 0x51, 0x34, 0x11, 0x66, 0x45, 0x34, 0x11, 0x16, 0x45, 0x33, 0x11, 0x56, 0x44, + 0x23, 0x11, 0x54, 0x34, 0x23, 0x11, 0x11, 0x32, 0x43, 0x54, 0x11, 0x22, 0x33, 0x44, 0x11, 0x22, + 0x32, 0x43, 0x11, 0x22, 0x22, 0x33, 0x11, 0x22, 0x22, 0x32, 0x11, 0x22, 0x22, 0x22, 0x11, 0x11, + 0x11, 0x11, 0x10, 0x11, 0x11, 0x11, 0x64, 0x66, 0x0a, 0x90, 0x55, 0x61, 0x66, 0x66, 0x44, 0x55, + 0x61, 0x66, 0x43, 0x44, 0x55, 0x55, 0x33, 0x43, 0x44, 0x44, 0x22, 0x33, 0x33, 0x33, 0x11, 0x11, + 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x09, 0xa0, 0x66, 0x46, 0x66, 0x66, 0x16, 0x55, 0x66, 0x16}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x05, 0x74, 0x83, 0x05, 0x09, 0x62, 0x00, 0x55, 0x44, + 0x55, 0x55, 0x44, 0x34, 0x44, 0x44, 0x34, 0x33, 0x33, 0x33, 0x33, 0x22, 0x11, 0x11, 0x11, 0x11, + 0x11, 0x11, 0x11, 0x11, 0x45, 0x34, 0x23, 0x11, 0x44, 0x33, 0x22, 0x11, 0x34, 0x23, 0x22, 0x11, + 0x33, 0x22, 0x22, 0x11, 0x23, 0x22, 0x22, 0x11, 0x22, 0x22, 0x22, 0x11, 0x11, 0x11, 0x11, 0x11, + 0x11, 0x11, 0x11, 0x01, 0x00, 0x03, 0x57, 0x00, 0x69, 0x00, 0x69, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x50, 0x00, 0x6f, 0x00, + 0x6b, 0x00, 0x65, 0x00, 0x6d, 0x00, 0x6f, 0x00, 0x6e, 0x00, 0x20, 0x00, 0x46, 0x00, 0x61, 0x00}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x06, 0x59, 0xf3, 0x06, 0x09, 0x62, 0x00, 0x72, 0x00, + 0x6d, 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, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x4e, 0x00, 0x49, 0x00, 0x4e, 0x00, + 0x54, 0x00, 0x45, 0x00, 0x4e, 0x00, 0x44, 0x00, 0x4f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x07, 0x96, 0xf6, 0x07, 0x09, 0x62, 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, 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}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, 0x08, 0xaf, 0xf6, 0x08, 0x09, 0x48, 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, 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}, + {0x01, 0x00, 0x01, 0x08, 0x86, 0x02, 0x40, 0x00, 0x69, 0x36, 0x70, 0x01, 0xf0, 0x01, 0x08, 0x00, + 0x86, 0x02, 0x40, 0x00, 0x02, 0x00, 0x00, 0x09, 0xfd, 0xff, 0x01, 0x00, 0x01, 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, 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}}; 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 @@ +#define BEACON_PAYLOAD_LENGTH 128 + +extern 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 @@ +#include +#include +#include +#include +#include +#include +#include +#include + +#include "beacon_data.h" + +int get_interface_mac_address(int sock, const char *interface, unsigned char *output) +{ + struct ifreq ifr = {0}; + strcpy(ifr.ifr_name, interface); + + if (ioctl(sock, SIOCGIFHWADDR, &ifr) < 0) + { + return -1; + } + + memcpy(output, ifr.ifr_hwaddr.sa_data, 6); + return 0; +} + +int main(int argc, char **argv) +{ + int sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_IP); + if (sock == -1) + { + printf("Could not open socket.\n"); + return 1; + } + + unsigned char tx_addr[6]; + if (get_interface_mac_address(sock, "wlo1", tx_addr)) + { + printf("Could not get hardware address.\n"); + return 2; + } + + static unsigned char bcast[] = "\xFF\xFF\xFF\xFF\xFF\xFF"; + struct libwifi_beacon beacon = {0}; + + if (libwifi_create_beacon(&beacon, bcast, tx_addr, tx_addr, "ballze", 7)) + { + printf("Could not create beacon frame.\n"); + return 3; + } + + libwifi_remove_tag(&beacon.tags, TAG_SSID); + + unsigned char payload_data[BEACON_PAYLOAD_LENGTH + 8]; + payload_data[0] = 0x00; + payload_data[1] = 0x09; + payload_data[2] = 0xBF; + payload_data[3] = 0x00; + payload_data[4] = 0xFF; + payload_data[5] = 0xFF; + payload_data[6] = 0x00; + payload_data[7] = 0x00; + memcpy(payload_data + 8, kBeaconPayloads[0], BEACON_PAYLOAD_LENGTH); + + if (libwifi_quick_add_tag(&beacon.tags, TAG_VENDOR_SPECIFIC, payload_data, BEACON_PAYLOAD_LENGTH + 8)) + { + printf("Could not add beacon data tag.\n"); + return 6; + } + + size_t beacon_size = libwifi_get_beacon_length(&beacon); + unsigned char *beacon_output = (unsigned char *)malloc(beacon_size); + if (beacon_output == NULL) + { + printf("Could not allocate beacon output.\n"); + return 4; + } + + if (libwifi_dump_beacon(&beacon, beacon_output, beacon_size) < 0) + { + printf("Could not dump beacon.\n"); + return 5; + } + + libwifi_free_beacon(&beacon); + + int fd = open("output.dat", O_WRONLY | O_CREAT, 00600); + + static unsigned char radiotap[] = "\x00\x00\x08\x00\x00\x00\x00\x00"; + write(fd, radiotap, 8); + + write(fd, beacon_output, beacon_size); + close(fd); + + free(beacon_output); + + return 0; +} -- cgit 1.4.1