Ejemplo n.º 1
0
/* run this at startup */
Messenger *initMessenger(void)
{
    Messenger *m = calloc(1, sizeof(Messenger));

    if ( ! m )
        return 0;

    new_keys();
    m_set_statusmessage(m, (uint8_t *)"Online", sizeof("Online"));
    initNetCrypto();
    IP ip;
    ip.i = 0;

    if (init_networking(ip, PORT) == -1)
        return 0;

    DHT_init();
    LosslessUDP_init();
    friendreq_init();
    LANdiscovery_init();
    set_nospam(random_int());

    send_LANdiscovery(htons(PORT));
    timer_single(&LANdiscovery, 0, LAN_DISCOVERY_INTERVAL);

    return m;
}
Ejemplo n.º 2
0
int main(int argc, char *argv[])
{
    manage_keys();
    printf("Public key: ");
    uint32_t i;

    FILE *file;
    file = fopen("PUBLIC_ID.txt", "w");

    for(i = 0; i < 32; i++)
    {
        if(self_public_key[i] < 16)
            printf("0");
        printf("%hhX",self_public_key[i]);
        fprintf(file, "%hhX",self_public_key[i]);
    }

    fclose(file);

    printf("\n");
    printf("Port: %u\n", PORT);
    //initialize networking
    //bind to ip 0.0.0.0:PORT
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);

    perror("Initialization");

    if (argc > 3) {
        printf("Trying to bootstrap into the network...\n");
        IP_Port bootstrap_info;
        bootstrap_info.ip.i = inet_addr(argv[1]);
        bootstrap_info.port = htons(atoi(argv[2]));
        uint8_t *bootstrap_key = hex_string_to_bin(argv[3]);
        DHT_bootstrap(bootstrap_info, bootstrap_key);
        free(bootstrap_key);
    }

    DHT_init();
    friendreq_init();

    int is_waiting_for_dht_connection = 1;
    while(1)
    {
        if (is_waiting_for_dht_connection && DHT_isconnected())
        {
            printf("Connected to other bootstrap server successfully.\n");
            is_waiting_for_dht_connection = 0;
        }
        doDHT();

        networking_poll();

        c_sleep(1);
    }
    shutdown_networking();
    return 0;
}
Ejemplo n.º 3
0
int main(int argc, char *argv[])
{
    //memcpy(self_client_id, "qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq", 32);
    
    if (argc < 4) {
        printf("usage %s ip port client_id(of friend to find ip_port of)\n", argv[0]);
        exit(0);
    }
    DHT_addfriend((uint8_t *)argv[3]);
    
    //initialize networking
    //bind to ip 0.0.0.0:PORT
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    
    int randdomnum = random_int();
    memcpy(self_client_id, &randdomnum, 4);
    

    perror("Initialization");
    IP_Port bootstrap_ip_port;
    bootstrap_ip_port.port = htons(atoi(argv[2]));
    //bootstrap_ip_port.ip.c[0] = 127;
    //bootstrap_ip_port.ip.c[1] = 0;
    //bootstrap_ip_port.ip.c[2] = 0;
    //bootstrap_ip_port.ip.c[3] = 1;
    bootstrap_ip_port.ip.i = inet_addr(argv[1]);
    DHT_bootstrap(bootstrap_ip_port);
    
    IP_Port ip_port;
    uint8_t data[MAX_UDP_PACKET_SIZE];
    uint32_t length;
    
    while(1)
    {
            
        doDHT();
        
        while(receivepacket(&ip_port, data, &length) != -1)
        {
            if(DHT_handlepacket(data, length, ip_port))
            {
                //unhandled packet
                printpacket(data, length, ip_port);
            }
            else
            {
                printf("Received handled packet with length: %u\n", length);
            }
        }
        print_clientlist();
        print_friendlist();
        c_sleep(300);
    }
    
    shutdown_networking();
    return 0;   
}
Ejemplo n.º 4
0
int main(int argc, char *argv[])
{
    manage_keys();
    printf("Public key: ");
    uint32_t i;
    for(i = 0; i < 32; i++)
    {
        if(self_public_key[i] < 16)
            printf("0");
        printf("%hhX",self_public_key[i]);
    }
    printf("\n");
	printf("Port: %u\n", PORT);
    //initialize networking
    //bind to ip 0.0.0.0:PORT
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    
    perror("Initialization");
    
    if (argc > 3) {
        printf("Trying to bootstrap into the network...\n");
        IP_Port bootstrap_info;
        bootstrap_info.ip.i = inet_addr(argv[1]);
        bootstrap_info.port = htons(atoi(argv[2]));
        uint8_t *bootstrap_key = hex_string_to_bin(argv[3]);
        DHT_bootstrap(bootstrap_info, bootstrap_key);
        free(bootstrap_key);
    }

    IP_Port ip_port;
    uint8_t data[MAX_UDP_PACKET_SIZE];
    uint32_t length;
    
    int is_waiting_for_dht_connection = 1;
    while(1)
    {
        if (is_waiting_for_dht_connection && DHT_isconnected())
        {
            printf("Connected to other bootstrap server successfully.\n");
            is_waiting_for_dht_connection = 0;
        }
        doDHT();
        
        while(receivepacket(&ip_port, data, &length) != -1)
        {
            DHT_handlepacket(data, length, ip_port);
            friendreq_handlepacket(data, length, ip_port);
        }
        c_sleep(1);
    }
    shutdown_networking();
    return 0;
}
Ejemplo n.º 5
0
/* run this at startup */
int initMessenger()
{
    new_keys();
    m_set_userstatus((uint8_t*)"Online", sizeof("Online"));
    initNetCrypto();
    IP ip;
    ip.i = 0;

    if(init_networking(ip,PORT) == -1)
        return -1;

    return 0;
}
Ejemplo n.º 6
0
/* run this at startup */
int initMessenger(void)
{
    new_keys();
    m_set_statusmessage((uint8_t*)"Online", sizeof("Online"));
    initNetCrypto();
    IP ip;
    ip.i = 0;

    if(init_networking(ip,PORT) == -1)
        return -1;

    DHT_init();
    LosslessUDP_init();
    friendreq_init();
    LANdiscovery_init();

    return 0;
}
Ejemplo n.º 7
0
Archivo: gpoll.c Proyecto: cosimoc/glib
int
main (int   argc,
      char *argv[])
{
  int result;
  GMainContext *ctx;

  g_test_init (&argc, &argv, NULL);
  init_networking ();
  ctx = g_main_context_new ();

  g_test_add_func ("/gpoll/gpoll", test_gpoll);

  result = g_test_run ();

  g_main_context_unref (ctx);

  return result;
}
Ejemplo n.º 8
0
void startup() {
	totalbytes = 0;
	               
	printf("Acidblood %s\n", VERSION);
	init_conf() ;
	init_signals() ;
	init_networking() ;
	conf_userdata=NULL ;
	conf_channels=NULL ;
	init_usercommands() ;
	init_ctcp() ;
	init_srvcommands() ;
	init_log();
	init_serverinfo() ;
	init_numeric() ;
	init_timers() ;
	init_events() ;
	read_main_config() ;
	init_modules() ;
}
Ejemplo n.º 9
0
int main(int argc, char *argv[])
{
    if (argc < 4) {
        printf("usage %s ip port filename(of file to send)\n", argv[0]);
        exit(0);
    }
    new_keys();
    printf("OUR ID: ");
    uint32_t i;
    for(i = 0; i < 32; i++) {
        if(self_public_key[i] < 16)
            printf("0");
        printf("%hhX",self_public_key[i]);
    }
    printf("\n");
    
    memcpy(self_client_id, self_public_key, 32);
    
    char temp_id[128];
    printf("Enter the client_id of the friend to connect to (32 bytes HEX format):\n");
    scanf("%s", temp_id);
    
    uint8_t friend_id[32];
    memcpy(friend_id, hex_string_to_bin(temp_id), 32);
    
    /* memcpy(self_client_id, "qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq", 32); */
    

    DHT_addfriend(friend_id);
    IP_Port friend_ip;
    int connection = -1;
    int inconnection = -1;
    
    uint8_t acceptedfriend_public_key[crypto_box_PUBLICKEYBYTES];
    int friendrequest = -1;
    uint8_t request_data[512];
    
    /* initialize networking
     * bind to ip 0.0.0.0:PORT */
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    initNetCrypto();
    
    perror("Initialization");
    IP_Port bootstrap_ip_port;
    bootstrap_ip_port.port = htons(atoi(argv[2]));
    bootstrap_ip_port.ip.i = inet_addr(argv[1]);
    DHT_bootstrap(bootstrap_ip_port);
    
    IP_Port ip_port;
    uint8_t data[MAX_UDP_PACKET_SIZE];
    uint32_t length;
    
    uint8_t buffer1[128];
    int read1 = 0;
    uint8_t buffer2[128];
    int read2 = 0;
    FILE *file1 = fopen(argv[3], "rb");
    if ( file1==NULL ){printf("Error opening file.\n");return 1;}
    FILE *file2 = fopen("received.txt", "wb");
    if ( file2==NULL ){return 1;}
    read1 = fread(buffer1, 1, 128, file1);
    
    while(1) {
        while(receivepacket(&ip_port, data, &length) != -1) {
            if(rand() % 3 != 1) { /* simulate packet loss */
                if(DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port)) {
                    /* if packet is not recognized */
                    printf("Received unhandled packet with length: %u\n", length);
                } else {
                    printf("Received handled packet with length: %u\n", length);
                }
            }
        }
        friend_ip = DHT_getfriendip(friend_id);
        if(friend_ip.ip.i != 0) {
            if(connection == -1 && friendrequest == -1) {
                printf("Sending friend request to peer:");
                printip(friend_ip);
                friendrequest = send_friendrequest(friend_id, friend_ip,(uint8_t *) "Hello World", 12);
                /* connection = crypto_connect((uint8_t *)friend_id, friend_ip); */
                /* connection = new_connection(friend_ip); */
            }
            if(check_friendrequest(friendrequest) == 1) {
                printf("Started connecting to friend:");
                connection = crypto_connect(friend_id, friend_ip);
            }
        }
        if(inconnection == -1) {
            uint8_t secret_nonce[crypto_box_NONCEBYTES];
            uint8_t public_key[crypto_box_PUBLICKEYBYTES];
            uint8_t session_key[crypto_box_PUBLICKEYBYTES];
            inconnection = crypto_inbound(public_key, secret_nonce, session_key);
            inconnection = accept_crypto_inbound(inconnection, acceptedfriend_public_key, secret_nonce, session_key);
            /* inconnection = incoming_connection(); */
            if(inconnection != -1) {
                printf("Someone connected to us:\n");
               /* printip(connection_ip(inconnection)); */
            }
        }
        if(handle_friendrequest(acceptedfriend_public_key, request_data) > 1) {
            printf("RECIEVED FRIEND REQUEST: %s\n", request_data);
        }

        /* if someone connected to us write what he sends to a file
         * also send him our file. */
        if(inconnection != -1) {
            if(write_cryptpacket(inconnection, buffer1, read1)) {
                printf("Wrote data1.\n");
                read1 = fread(buffer1, 1, 128, file1);
            }
            read2 = read_cryptpacket(inconnection, buffer2);
            if(read2 != 0) {
                printf("Received data1.\n");
                if(!fwrite(buffer2, read2, 1, file2)) {
                        printf("file write error1\n");
                }
                if(read2 < 128) {
                    printf("Closed file1 %u\n", read2);
                    fclose(file2);
                }
            }
            /* if buffer is empty and the connection timed out. */
            else if(is_cryptoconnected(inconnection) == 4) {
                crypto_kill(inconnection);
            }
        }
        /* if we are connected to a friend send him data from the file.
         * also put what he sends us in a file. */
        if(is_cryptoconnected(connection) >= 3)  {
            if(write_cryptpacket(0, buffer1, read1)) {
                printf("Wrote data2.\n");
                read1 = fread(buffer1, 1, 128, file1);
            }
            read2 = read_cryptpacket(0, buffer2);
            if(read2 != 0) {
                printf("Received data2.\n");
                if(!fwrite(buffer2, read2, 1, file2)) {
                        printf("file write error2\n");
                }
                if(read2 < 128) {
                    printf("Closed file2 %u\n", read2);
                    fclose(file2);
                }
            }
            /* if buffer is empty and the connection timed out. */
            else if(is_cryptoconnected(connection) == 4) {
                crypto_kill(connection);
            }
        }
        doDHT();
        doLossless_UDP();
        doNetCrypto();
        /*print_clientlist();
         *print_friendlist();
         *c_sleep(300); */
        c_sleep(1);
    }
    
    shutdown_networking();
    return 0;   
}
Ejemplo n.º 10
0
int main(int argc, char **argv) {
    // Initialize syslog
    setup_syslog();

    // Parse the command line
    char *config_file = NULL;
    int parse_res = parse_cmd_line_args(argc, argv, &config_file);
    if (parse_res) return 1;

    // Parse the config file
    statsite_proxy_config *config = calloc(1, sizeof(statsite_proxy_config));
    int config_res = config_from_filename(config_file, config);
    if (config_res != 0) {
        syslog(LOG_ERR, "Failed to read the configuration file!");
        return 1;
    }

    // Validate the config file
    int validate_res = validate_config(config);
    if (validate_res != 0) {
        syslog(LOG_ERR, "Invalid configuration!");
        return 1;
    }

    // Set the syslog mask
    setlogmask(config->syslog_log_level);

    // Daemonize
    if (config->daemonize) {
        pid_t pid, sid;
        syslog(LOG_INFO, "Daemonizing.");
        pid = fork();

        // Exit if we failed to fork
        if (pid < 0) {
            syslog(LOG_ERR, "Failed to fork() daemon!");
            return 1;
        }

        // Parent process returns
        if (pid) return 0;

        // Create a new session
        sid = setsid();
        if (sid < 0) {
            syslog(LOG_ERR, "Failed to set daemon SID!");
            return 1;
        }

        int write_pidfile_res = write_pidfile(config->pid_file, sid);
        if (write_pidfile_res) {
            syslog(LOG_ERR, "Failed to write pidfile. Terminating.");
            return 1;
        }

        close(STDIN_FILENO);
        close(STDOUT_FILENO);
        close(STDERR_FILENO);
    }

    // Log that we are starting up
    syslog(LOG_INFO, "Starting statsite-proxy.");
    syslog(LOG_INFO, "Loaded Servers config: %s", config->servers);

    // Initialize proxy
    proxy *proxy = NULL;
    int proxy_res = proxy_init(&proxy, config->servers);

    if (proxy_res != 0) {
    	syslog(LOG_ERR, "Failed to initialize proxy!");
    	return 1;
    }

    // Initialize the networking
    statsite_proxy_networking *netconf = NULL;
    int net_res = init_networking(config, &netconf, proxy);
    if (net_res != 0) {
        syslog(LOG_ERR, "Failed to initialize networking!");
        return 1;
    }

    // Start the network workers
    pthread_t thread;
    pthread_create(&thread, NULL, (void*(*)(void*))start_networking_worker, netconf);

    /**
     * Loop forever, until we get a signal that
     * indicates we should shutdown.
     */

    signal(SIGPIPE, SIG_IGN);       // Ignore SIG_IGN
    signal(SIGHUP, SIG_IGN);        // Ignore SIG_IGN
    signal(SIGINT, signal_handler);
    signal(SIGTERM, signal_handler);
    while (SHOULD_RUN) {
        sleep(1);
    }

    // Begin the shutdown/cleanup
    shutdown_networking(netconf);

    // If daemonized, remove the pid file

    if (config->daemonize && unlink(config->pid_file)) {
        syslog(LOG_ERR, "Failed to delete pid file!");
    }

    // Free our memory
    proxy_destroy(proxy);
    free(config);



    // Done
    return 0;
}
Ejemplo n.º 11
0
int main(int argc, char *argv[])
{
	log_init();

    srand(time(NULL));
    int randdomnum = rand();
    memcpy(self_client_id, &randdomnum, 4);
    //memcpy(self_client_id, "qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq", 32);
    
    if (argc < 4) {
        printf("usage %s ip port client_id(of friend to find ip_port of)\n", argv[0]);
        exit(0);
    }
    addfriend(argv[3]);
    
    
    //initialize networking
    //bind to ip 0.0.0.0:PORT
    IP ip;
    ip.i = 0;
    if (init_networking(ip, PORT) == -1)
	{
		return 1;
	}

    perror("Initialization");
    IP_Port bootstrap_ip_port;
    bootstrap_ip_port.port = htons(atoi(argv[2]));
    //bootstrap_ip_port.ip.c[0] = 127;
    //bootstrap_ip_port.ip.c[1] = 0;
    //bootstrap_ip_port.ip.c[2] = 0;
    //bootstrap_ip_port.ip.c[3] = 1;
    bootstrap_ip_port.ip.i = inet_addr(argv[1]);
    bootstrap(bootstrap_ip_port);
    
    IP_Port ip_port;
    char data[MAX_UDP_PACKET_SIZE];
    uint32_t length;
    
    uint32_t i;
    
    while(1)
    {
            
        doDHT();
        
        while(recievepacket(&ip_port, data, &length) != -1)
        {
            if(DHT_handlepacket(data, length, ip_port))
            {
                printf("UNHANDLED PACKET RECEIVED\nLENGTH:%u\nCONTENTS:\n", length);
                printf("--------------------BEGIN-----------------------------\n");
                for(i = 0; i < length; i++)
                {
                    if(data[i] < 16)
                        printf("0");
                    printf("%hhX",data[i]);
                }
                printf("\n--------------------END-----------------------------\n\n\n");
            }
            else
            {
                printf("Received handled packet with length: %u\n", length);
            }
        }
        print_clientlist();
        print_friendlist();
        c_sleep(300);
    }
    
	exit_networking();

	log_exit();
    return 0;   
}
Ejemplo n.º 12
0
int main(int argc, char **argv) {
    // Initialize syslog
    setup_syslog();

    // Parse the command line
    char *config_file = NULL;
    int parse_res = parse_cmd_line_args(argc, argv, &config_file);
    if (parse_res) return 1;

    // Parse the config file
    statsite_config *config = calloc(1, sizeof(statsite_config));
    int config_res = config_from_filename(config_file, config);
    if (config_res != 0) {
        syslog(LOG_ERR, "Failed to read the configuration file!");
        return 1;
    }

    // Validate the config file
    if (validate_config(config)) {
        syslog(LOG_ERR, "Invalid configuration!");
        return 1;
    }

    // Set prefixes for each message type
    if (prepare_prefixes(config)) {
        syslog(LOG_ERR, "Failed to get prefixes!");
        return 1;
    }

    // Build the prefix tree
    if (build_prefix_tree(config)) {
        syslog(LOG_ERR, "Failed to build prefix tree!");
        return 1;
    }

    // Set the syslog mask
    setlogmask(config->syslog_log_level);

    // Daemonize
    if (config->daemonize) {
        pid_t pid, sid;
        int fd;
        syslog(LOG_INFO, "Daemonizing.");
        pid = fork();

        // Exit if we failed to fork
        if (pid < 0) {
            syslog(LOG_ERR, "Failed to fork() daemon!");
            return 1;
        }

        // Parent process returns
        if (pid) return 0;

        // Create a new session
        sid = setsid();
        if (sid < 0) {
            syslog(LOG_ERR, "Failed to set daemon SID!");
            return 1;
        }

        int write_pidfile_res = write_pidfile(config->pid_file, sid);
        if (write_pidfile_res) {
            syslog(LOG_ERR, "Failed to write pidfile. Terminating.");
            return 1;
        }

        if ((fd = open("/dev/null", O_RDWR, 0)) != -1) {
          dup2(fd, STDIN_FILENO);
          dup2(fd, STDOUT_FILENO);
          dup2(fd, STDERR_FILENO);
          if (fd > STDERR_FILENO) close(fd);
        }
    }

    // Log that we are starting up
    syslog(LOG_INFO, "Starting statsite.");

    // Initialize the networking
    statsite_networking *netconf = NULL;
    int net_res = init_networking(config, &netconf);
    if (net_res != 0) {
        syslog(LOG_ERR, "Failed to initialize networking!");
        return 1;
    }

    // Setup signal handlers
    signal(SIGPIPE, SIG_IGN);       // Ignore SIG_IGN
    signal(SIGHUP, SIG_IGN);        // Ignore SIG_IGN
    signal(SIGINT, signal_handler);
    signal(SIGTERM, signal_handler);

    // Join the networking loop, blocks until exit
    enter_networking_loop(netconf, &SHOULD_RUN);

    // Begin the shutdown/cleanup
    shutdown_networking(netconf);

    // Do the final flush
    final_flush();

    // If daemonized, remove the pid file
    if (config->daemonize && unlink(config->pid_file)) {
        syslog(LOG_ERR, "Failed to delete pid file!");
    }

    // Free our memory
    free(config);

    // Done
    return 0;
}
Ejemplo n.º 13
0
int main(int argc, char **argv) {

    // temporarily set the syslog facilty to main and init it
    setup_syslog(LOG_USER, 0);

    // Parse the command line
    char *config_file = NULL;
    int parse_res = parse_cmd_line_args(argc, argv, &config_file);
    if (parse_res) return 1;

    // Parse the config file
    statsite_config *config = alloc_config();
    int config_res = config_from_filename(config_file, config);
    if (config_res != 0) {
        syslog(LOG_ERR, "Failed to read the configuration file!");
        return 1;
    }

    // Validate the config file
    if (validate_config(config)) {
        syslog(LOG_ERR, "Invalid configuration!");
        return 1;
    }

    // close the initial syslog
    closelog();

    // Initialize syslog with configured facility
    setup_syslog(config->syslog_log_facility, config->daemonize);

    // Set prefixes for each message type
    if (prepare_prefixes(config)) {
        syslog(LOG_ERR, "Failed to get prefixes!");
        return 1;
    }

    // Build the prefix tree
    if (build_prefix_tree(config)) {
        syslog(LOG_ERR, "Failed to build prefix tree!");
        return 1;
    }

    // Set the syslog mask
    setlogmask(config->syslog_log_level);

    // Initialize libcurl
    curl_global_init(CURL_GLOBAL_DEFAULT);

    // Daemonize
    if (config->daemonize) {
        pid_t pid, sid;
        int fd;
        syslog(LOG_INFO, "Daemonizing.");
        pid = fork();

        // Exit if we failed to fork
        if (pid < 0) {
            syslog(LOG_ERR, "Failed to fork() daemon!");
            return 1;
        }

        // Parent process returns
        if (pid) return 0;

        // Create a new session
        sid = setsid();
        if (sid < 0) {
            syslog(LOG_ERR, "Failed to set daemon SID!");
            return 1;
        }

        int write_pidfile_res = write_pidfile(config->pid_file, sid);
        if (write_pidfile_res) {
            syslog(LOG_ERR, "Failed to write pidfile. Terminating.");
            return 1;
        }

        if ((fd = open("/dev/null", O_RDWR, 0)) != -1) {
          dup2(fd, STDIN_FILENO);
          dup2(fd, STDOUT_FILENO);
          dup2(fd, STDERR_FILENO);
          if (fd > STDERR_FILENO) close(fd);
        }
    }

    // Log that we are starting up
    syslog(LOG_INFO, "Starting statsite.");

    // Build the sinks
    sink* sinks = NULL;
    init_sinks(&sinks, config);

    // Initialize the networking
    statsite_networking *netconf = NULL;
    int net_res = init_networking(config, &netconf, sinks);
    if (net_res != 0) {
        syslog(LOG_ERR, "Failed to initialize networking!");
        return 1;
    }

    // Setup signal handlers
    signal(SIGPIPE, SIG_IGN);       // Ignore SIG_IGN
    signal(SIGHUP, SIG_IGN);        // Ignore SIG_IGN
    signal(SIGINT, signal_handler);
    signal(SIGTERM, signal_handler);

    // Join the networking loop, blocks until exit
    enter_networking_loop(netconf, &SIGNUM);

    if (SIGNUM != 0) {
        syslog(LOG_WARNING, "Received signal [%s]! Exiting...", strsignal(SIGNUM));
    }

    // Begin the shutdown/cleanup
    shutdown_networking(netconf);

    // Do the final flush
    final_flush(sinks);

    // If daemonized, remove the pid file
    if (config->daemonize && unlink(config->pid_file)) {
        syslog(LOG_ERR, "Failed to delete pid file!");
    }

    // Free our memory
    free_config(config);

    // Tear down libcurl
    curl_global_cleanup();

    // Done
    return 0;
}
Ejemplo n.º 14
0
int main(int argc, char *argv[])
{
    //memcpy(self_client_id, "qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq", 32);
    
    if (argc < 6) {
        printf("usage %s ip port client_id(of friend to find ip_port of) filename(of file to send) client_id(ours)\n", argv[0]);
        exit(0);
    }
    addfriend(argv[3]);
    IP_Port friend_ip;
    int connection = -1;
    int inconnection = -1;
    
    //initialize networking
    //bind to ip 0.0.0.0:PORT
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    
    memcpy(self_client_id, argv[5], 32);
    

    perror("Initialization");
    IP_Port bootstrap_ip_port;
    bootstrap_ip_port.port = htons(atoi(argv[2]));
    bootstrap_ip_port.ip.i = inet_addr(argv[1]);
    bootstrap(bootstrap_ip_port);
    
    IP_Port ip_port;
    char data[MAX_UDP_PACKET_SIZE];
    uint32_t length;
    
    char buffer1[128];
    int read1 = 0;
    char buffer2[128];
    int read2 = 0;
    FILE *file1 = fopen(argv[4], "rb");
    if ( file1==NULL ){printf("Error opening file.\n");return 1;}
    FILE *file2 = fopen("received.txt", "wb");
    if ( file2==NULL ){return 1;}
    read1 = fread(buffer1, 1, 128, file1);
    
    while(1)
    {

        while(recievepacket(&ip_port, data, &length) != -1)
        {
            if(rand() % 3 != 1)//simulate packet loss
            {
                if(DHT_handlepacket(data, length, ip_port) && LosslessUDP_handlepacket(data, length, ip_port))
                {
                    //if packet is not recognized
                    printf("Received unhandled packet with length: %u\n", length);
                }
                else
                {
                    printf("Received handled packet with length: %u\n", length);
                }
            }
        }
        friend_ip = getfriendip(argv[3]);
        if(friend_ip.ip.i != 0)
        {
            if(connection == -1)
            {
                printf("Started connecting to friend:");
                printip(friend_ip);
                connection = new_connection(friend_ip);
            }
        }
        if(inconnection == -1)
        {
            inconnection = incoming_connection();
            if(inconnection != -1)
            {
                printf("Someone connected to us:");
                printip(connection_ip(inconnection));
            }
        }
        //if someone connected to us write what he sends to a file
        //also send him our file.
        if(inconnection != -1)
        {
            if(write_packet(inconnection, buffer1, read1))
            {
                printf("Wrote data.\n");
                read1 = fread(buffer1, 1, 128, file1);
            }
            read2 = read_packet(inconnection, buffer2);
            if(read2 != 0)
            {
                printf("Received data.\n");
                if(!fwrite(buffer2, read2, 1, file2))
                {
                        printf("file write error\n");
                }
                if(read2 < 128)
                {
                    fclose(file2);
                }
            } 
        }
        //if we are connected to a friend send him data from the file.
        //also put what he sends us in a file.
        if(is_connected(connection) == 3)
        {
            if(write_packet(0, buffer1, read1))
            {
                printf("Wrote data.\n");
                read1 = fread(buffer1, 1, 128, file1);
            }
            read2 = read_packet(0, buffer2);
            if(read2 != 0)
            {
                printf("Received data.\n");
                if(!fwrite(buffer2, read2, 1, file2))
                {
                        printf("file write error\n");
                }
                if(read2 < 128)
                {
                    fclose(file2);
                }
            } 
        }
        doDHT();
        doLossless_UDP();
        //print_clientlist();
        //print_friendlist();
        //c_sleep(300);
        c_sleep(1);
    }
    
    shutdown_networking();
    return 0;   
}
Ejemplo n.º 15
0
int main(int argc, char *argv[])
{
    //memcpy(self_client_id, "qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq", 32);
    
    if (argc < 4) {
        printf("usage %s ip port public_key\n", argv[0]);
        exit(0);
    }
    new_keys();
    printf("OUR ID: ");
    uint32_t i;
    for(i = 0; i < 32; i++) {
        if(self_public_key[i] < 16)
            printf("0");
        printf("%hhX",self_public_key[i]);
    }
    
    char temp_id[128];
    printf("\nEnter the client_id of the friend you wish to add (32 bytes HEX format):\n");
    if(scanf("%s", temp_id) != 1)
        exit(0);
    
    DHT_addfriend(hex_string_to_bin(temp_id));
    
    /* initialize networking */
    /* bind to ip 0.0.0.0:PORT */
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    

    perror("Initialization");
    IP_Port bootstrap_ip_port;
    bootstrap_ip_port.port = htons(atoi(argv[2]));
    /* bootstrap_ip_port.ip.c[0] = 127;
     * bootstrap_ip_port.ip.c[1] = 0;
     * bootstrap_ip_port.ip.c[2] = 0;
     * bootstrap_ip_port.ip.c[3] = 1; */
    bootstrap_ip_port.ip.i = inet_addr(argv[1]);
    DHT_bootstrap(bootstrap_ip_port, hex_string_to_bin(argv[3]));
    
    IP_Port ip_port;
    uint8_t data[MAX_UDP_PACKET_SIZE];
    uint32_t length;
    
    while(1) {
            
        doDHT();
        
        while(receivepacket(&ip_port, data, &length) != -1) {
            if(DHT_handlepacket(data, length, ip_port) && friendreq_handlepacket(data, length, ip_port)) {
                //unhandled packet
                printpacket(data, length, ip_port);
            } else {
                printf("Received handled packet with length: %u\n", length);
            }
        }
        print_clientlist();
        print_friendlist();
        c_sleep(300);
    }
    
    shutdown_networking();
    return 0;   
}
int main(int argc, char *argv[])
{
    if (argc < 2) 
    {
        printf("usage: %s filename\n", argv[0]);
        exit(0);
    }
    
    char buffer[128];
    int read;
    
    FILE *file = fopen(argv[1], "wb");
    if ( file==NULL ){return 1;}
    
    
    //initialize networking
    //bind to ip 0.0.0.0:PORT
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    perror("Initialization");
    
    int connection;
    uint64_t timer = current_time();
    
    
    while(1)
    {
        Lossless_UDP();
        connection = incoming_connection();
        if(connection != -1)
        {
            if(is_connected(connection) == 2)
            {
                printf("Recieved the connection.\n");
                
            }
            break;
        }
        c_sleep(1);
    }
    
    timer = current_time();
    
    while(1)
    {
        //printconnection(0);
        Lossless_UDP();
        if(is_connected(connection) >= 2)
        {
            read = read_packet(connection, buffer);
            if(read != 0)
            {
               // printf("Recieved data.\n");
                if(!fwrite(buffer, read, 1, file))
                {
                        printf("file write error\n");
                }
            }
        }
        else
        {
            printf("Connecting Lost after: %llu us\n", (unsigned long long)(current_time() - timer));
            fclose(file);
            return 1;
        }
        c_sleep(1);
    }
        
    return 0;
}
int main(int argc, char *argv[])
{
    if (argc < 4) {
        printf("usage: %s ip port filename\n", argv[0]);
        exit(0);
    }
    
    uint8_t buffer[512];
    int read;
    
    FILE *file = fopen(argv[3], "rb");
    if (file == NULL)
      return 1;
    
    
    /* initialize networking */
    /* bind to ip 0.0.0.0:PORT */
    IP ip;
    ip.i = 0;
    init_networking(ip, PORT);
    perror("Initialization");
    IP_Port serverip;
    serverip.ip.i = inet_addr(argv[1]);
    serverip.port = htons(atoi(argv[2]));
    printip(serverip);
    int connection = new_connection(serverip);
    uint64_t timer = current_time();
    while (1) {
       /* printconnection(connection); */
        Lossless_UDP();
        if (is_connected(connection) == 3) {
            printf("Connecting took: %llu us\n", (unsigned long long)(current_time() - timer));
            break;
        }
        if (is_connected(connection) == 0) {
            printf("Connection timeout after: %llu us\n", (unsigned long long)(current_time() - timer));
            return 1;
        }
        c_sleep(1);
    }
    timer = current_time();
    
    
    /*read first part of file */
    read = fread(buffer, 1, 512, file);
    
    while (1) {
        /* printconnection(connection); */
        Lossless_UDP();
        if (is_connected(connection) == 3) {
            
            if (write_packet(connection, buffer, read)) {
               /* printf("Wrote data.\n"); */
                read = fread(buffer, 1, 512, file);

            }
            /* printf("%u\n", sendqueue(connection)); */
            if (sendqueue(connection) == 0) {
                if (read == 0) {
                    printf("Sent file successfully in: %llu us\n", (unsigned long long)(current_time() - timer));
                    break;
                }
            }
        }
        else {
            printf("Connecting Lost after: %llu us\n", (unsigned long long)(current_time() - timer));
            return 0;
        }
        /* c_sleep(1); */
    }
        
    return 0;
}