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#include "../toxdns/toxdns.h"
#include "../toxcore/tox.h"
#include "../toxcore/network.h"
#include "misc_tools.c"
#if defined(_WIN32) || defined(__WIN32__) || defined (WIN32)
#define c_sleep(x) Sleep(1*x)
#else
#define c_sleep(x) usleep(1000*x)
#endif
uint32_t create_packet(uint8_t *packet, uint8_t *string, uint8_t str_len, uint8_t id)
{
memset(packet, 0, str_len + 13 + 16);
packet[0] = id;
packet[1] = rand();
packet[5] = 1;
packet[11] = 1;
packet[12] = '.';
memcpy(packet + 13, string, str_len);
uint32_t i, c = 0;
for (i = str_len + 12; i != 11; --i) {
if (packet[i] == '.') {
packet[i] = c;
c = 0;
} else {
++c;
}
}
packet[str_len + 13 + 2] = 16;
packet[str_len + 13 + 4] = 1;
packet[str_len + 13 + 7] = 0x29;
packet[str_len + 13 + 8] = 16;
packet[str_len + 13 + 12] = 0x80;
return str_len + 13 + 16;
}
int main(int argc, char *argv[])
{
if (argc < 4) {
printf("Usage: %s domain domain_public_key queried_username\nEX: %s utox.org D3154F65D28A5B41A05D4AC7E4B39C6B1C233CC857FB365C56E8392737462A12 username\n",
argv[0], argv[0]);
exit(0);
}
IP ip = {0};
ip.family = AF_INET;
sock_t sock = socket(ip.family, SOCK_DGRAM, IPPROTO_UDP);
if (!sock_valid(sock))
return -1;
if (!addr_resolve_or_parse_ip(argv[1], &ip, 0))
return -1;
struct sockaddr_in target;
size_t addrsize = sizeof(struct sockaddr_in);
target.sin_family = AF_INET;
target.sin_addr = ip.ip4.in_addr;
target.sin_port = htons(53);
uint8_t string[1024] = {0};
void *d = tox_dns3_new(hex_string_to_bin(argv[2]));
unsigned int i;
uint32_t request_id;
/*
for (i = 0; i < 255; ++i) {
tox_generate_dns3_string(d, string, sizeof(string), &request_id, string, i);
printf("%s\n", string);
}*/
int len = tox_generate_dns3_string(d, string + 1, sizeof(string) - 1, &request_id, (uint8_t *)argv[3], strlen(argv[3]));
if (len == -1)
return -1;
string[0] = '_';
memcpy(string + len + 1, "._tox.", sizeof("._tox."));
memcpy((char *)(string + len + 1 + sizeof("._tox.") - 1), argv[1], strlen(argv[1]));
uint8_t packet[512];
uint8_t id = rand();
uint32_t p_len = create_packet(packet, string, strlen((char *)string), id);
if (sendto(sock, (char *) packet, p_len, 0, (struct sockaddr *)&target, addrsize) != p_len)
return -1;
uint8_t buffer[512] = {};
int r_len = recv(sock, buffer, sizeof(buffer), 0);
if (r_len < (int)p_len)
return -1;
for (i = r_len - 1; i != 0 && buffer[i] != '='; --i);
uint8_t tox_id[TOX_FRIEND_ADDRESS_SIZE];
if (tox_decrypt_dns3_TXT(d, tox_id, buffer + i + 1, r_len - (i + 1), request_id) != 0)
return -1;
printf("The Tox id for username %s is:\n", argv[3]);
//unsigned int i;
for (i = 0; i < TOX_FRIEND_ADDRESS_SIZE; ++i) {
printf("%02hhX", tox_id[i]);
}
printf("\n");
return 0;
}
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