1 files changed, 115 insertions, 0 deletions
diff --git a/protocols/Tox/toxcore/testing/dns3_test.c b/protocols/Tox/toxcore/testing/dns3_test.c
new file mode 100644
index 0000000000..7052aae732
--- /dev/null
+++ b/protocols/Tox/toxcore/testing/dns3_test.c
@@ -0,0 +1,115 @@
+
+
+#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;
+}