// Copyright 2007 - 2021, Alan Antonuk and the rabbitmq-c contributors.
// SPDX-License-Identifier: mit

#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <rabbitmq-c/amqp.h>
#include <rabbitmq-c/ssl_socket.h>

#include <assert.h>

#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <Winsock2.h>
#else
#include <sys/time.h>
#endif

#include "utils.h"

int main(int argc, char const *const *argv) {
  char const *hostname;
  int port;
  int timeout;
  amqp_socket_t *socket;
  amqp_connection_state_t conn;
  struct timeval tval;
  struct timeval *tv;

  if (argc < 3) {
    fprintf(stderr,
            "Usage: amqp_ssl_connect host port timeout_sec "
            "[cacert.pem [engine engine_ID] [verifypeer] [verifyhostname] "
            "[key.pem cert.pem]]\n");
    return 1;
  }

  hostname = argv[1];
  port = atoi(argv[2]);

  timeout = atoi(argv[3]);
  if (timeout > 0) {
    tv = &tval;

    tv->tv_sec = timeout;
    tv->tv_usec = 0;
  } else {
    tv = NULL;
  }

  conn = amqp_new_connection();

  socket = amqp_ssl_socket_new(conn);
  if (!socket) {
    die("creating SSL/TLS socket");
  }

  amqp_ssl_socket_set_verify_peer(socket, 0);
  amqp_ssl_socket_set_verify_hostname(socket, 0);

  if (argc > 5) {
    int nextarg = 5;
    die_on_error(amqp_ssl_socket_set_cacert(socket, argv[4]),
                 "setting CA certificate");
    if (argc > nextarg && !strcmp("engine", argv[nextarg])) {
      amqp_set_ssl_engine(argv[++nextarg]);
      nextarg++;
    }
    if (argc > nextarg && !strcmp("verifypeer", argv[nextarg])) {
      amqp_ssl_socket_set_verify_peer(socket, 1);
      nextarg++;
    }
    if (argc > nextarg && !strcmp("verifyhostname", argv[nextarg])) {
      amqp_ssl_socket_set_verify_hostname(socket, 1);
      nextarg++;
    }
    if (argc > nextarg + 1) {
      die_on_error(
          amqp_ssl_socket_set_key(socket, argv[nextarg + 1], argv[nextarg]),
          "setting client key");
    }
  }

  die_on_error(amqp_socket_open_noblock(socket, hostname, port, tv),
               "opening SSL/TLS connection");

  die_on_amqp_error(amqp_login(conn, "/", 0, 131072, 0, AMQP_SASL_METHOD_PLAIN,
                               "guest", "guest"),
                    "Logging in");

  die_on_amqp_error(amqp_connection_close(conn, AMQP_REPLY_SUCCESS),
                    "Closing connection");
  die_on_error(amqp_destroy_connection(conn), "Ending connection");
  die_on_error(amqp_uninitialize_ssl_library(), "Uninitializing SSL library");

  printf("Done\n");
  return 0;
}