Ejemplo n.º 1
0
/*
 *
    should use evbuffer_free(evb); to free this evbuffer
 * */
static struct http_response * http_req(char * ip, int port, char * verb, char * path, char * data){

    char port_str[6];
    sprintf(port_str, "%d", port);

    int cs = client_socket(ip, port_str);
    char * request_buffer = alloca(100 + strlen(path)); // in stack do not need free
    char response_buffer[1024*8];

    sprintf(request_buffer, "%s %s HTTP/1.0\r\nContent-Length: %d\r\n\r\n%s\r\n\r\n", verb, path, strlen(data), data);
    //sprintf(request_buffer, "GET %s HTTP/1.0\r\nUser-Agent: curl/7.19.7 (i486-pc-linux-gnu) libcurl/7.19.7 OpenSSL/0.9.8k zlib/1.2.3.3 libidn/1.15\r\n\r\n", path);
    fprintf(stderr, "%s", request_buffer);

    int rst = tcptowrite(cs, request_buffer, strlen(request_buffer) , 30000);
    printf("tcptowrite rst: %d", rst);
    int readed = 0;

    struct evbuffer *evb = evbuffer_new();
    /*evbuffer_read(evb, cs, 30);*/

    while ((readed = tcptoread(cs, response_buffer, 1024*8, 30000)) > 0){
        printf("readed len: %d \n", readed);
        evbuffer_add(evb, response_buffer, readed);
    }

    struct evbuffer_ptr evbptr = evbuffer_search(evb, "\r\n\r\n", 4, NULL);

    struct evbuffer *headers = evbuffer_new();
    evbuffer_remove_buffer(evb, headers, evbptr.pos);
    /*evbuffer_drain(evb, evbptr.pos);*/
    tcpclose(cs);
    int code = parse_response_status_code(headers);
    return http_response_new(code, headers, evb);
}
Ejemplo n.º 2
0
static void pending_read(struct bufferevent *bev, void *pending_ptr) {
  struct evwspendingconn* pending = (struct evwspendingconn *)pending_ptr;
  struct evbuffer* input = bufferevent_get_input(pending->bev);
  struct evbuffer_ptr end = evbuffer_search(input, "\r\n\r\n", 4, NULL);
  size_t len = evbuffer_get_length(input);

  if (end.pos == -1) {
    if (len > MAX_HTTP_HEADER_SIZE) {
      remove_pending(pending);
      free_pending(pending);
    }
    return; // full request not yet found
  }

  unsigned char* data = evbuffer_pullup(input, len);
  char accept_key[29];

  struct evwsconnlistener* levws = pending->levws;
  const char* subprotocol = NULL;
  if (evaluate_websocket_handshake((char*)data, len,
      levws->supported_subprotocols, accept_key, &subprotocol)) {
    remove_pending(pending);
    free_pending(pending);
    return;
  }

  evbuffer_drain(input, len);

  bufferevent_setcb(pending->bev, NULL, NULL, NULL, pending);

  struct evbuffer* output = bufferevent_get_output(pending->bev);
  evbuffer_add_printf(output,
      "HTTP/1.1 101 Switching Protocols\r\n"
      "Upgrade: websocket\r\n"
      "Connection: Upgrade\r\n"
      "Sec-WebSocket-Accept: %s\r\n", accept_key);

  if (subprotocol != NULL) {
    evbuffer_add_printf(output, "Sec-WebSocket-Protocol: %s\r\n\r\n",
        subprotocol);
  } else {
    evbuffer_add_printf(output, "\r\n");
  }

  remove_pending(pending);
  struct evwsconn *wsconn = evwsconn_new(pending->bev, subprotocol);
  pending->bev = NULL;
  levws->cb(levws, wsconn, pending->address, pending->socklen,
      levws->user_data);
  free_pending(pending);
}
Ejemplo n.º 3
0
static int
readPadA( tr_handshake * handshake, struct evbuffer * inbuf )
{
    /* resynchronizing on HASH('req1',S) */
    struct evbuffer_ptr ptr = evbuffer_search( inbuf, (const char*)handshake->myReq1, SHA_DIGEST_LENGTH, NULL );

    if( ptr.pos != -1 ) /* match */
    {
        evbuffer_drain( inbuf, ptr.pos );
        dbgmsg( handshake, "found it... looking setting to awaiting_crypto_provide" );
        setState( handshake, AWAITING_CRYPTO_PROVIDE );
        return READ_NOW;
    }
    else
    {
        const size_t len = evbuffer_get_length( inbuf );
        if( len > SHA_DIGEST_LENGTH )
            evbuffer_drain( inbuf, len - SHA_DIGEST_LENGTH );
        return READ_LATER;
    }
}
Ejemplo n.º 4
0
long ion_stream_search_token(struct evbuffer * buffer, ion_stream_token * token) {
    struct evbuffer_ptr ptr_end;
    struct evbuffer_ptr ptr_start;
    struct evbuffer_ptr ptr_result;
    size_t current_size = evbuffer_get_length(buffer);
    size_t end = (size_t)token->offset + (size_t)token->length - 1;
    size_t length = (size_t)token->length;
    if(current_size == 0) {
        token->position = -1;
        return SUCCESS;
    }
    if(token->offset >= current_size || ZSTR_LEN(token->token) > current_size) {
        token->position = -1;
        return SUCCESS;
    }
    if(end >= current_size - 1) { // libevent bug? if <end> is last element - evbuffer_search_range can't find token
        length = 0;
    }

    if(evbuffer_ptr_set(buffer, &ptr_start, (size_t)token->offset, EVBUFFER_PTR_SET) == FAILURE) {
        return FAILURE;
    }
    if(length) {
        if(evbuffer_ptr_set(buffer, &ptr_end, end, EVBUFFER_PTR_SET) == FAILURE) {
            return FAILURE;
        }
        ptr_result = evbuffer_search_range(buffer, ZSTR_VAL(token->token), ZSTR_LEN(token->token), &ptr_start, &ptr_end);
    } else {
        ptr_result = evbuffer_search(buffer, ZSTR_VAL(token->token), ZSTR_LEN(token->token), &ptr_start);
    }
    if(token->length > 0 && current_size >= token->length) {
        token->flags |= ION_STREAM_TOKEN_LIMIT;
    }
    token->offset = (zend_long)(current_size - ZSTR_LEN(token->token) + 1);
    token->position = (long)ptr_result.pos;
    return SUCCESS;
}
Ejemplo n.º 5
0
/*{{{ int*/
static gint64 bvalue_parse_int (struct evbuffer *in)
{
    gchar tmp[1];
    struct evbuffer_ptr pos;
    gchar *str;
    guint64 i;
    
    // remove "i"
    evbuffer_remove (in, tmp, 1);

    pos = evbuffer_search (in, "e", 1, NULL);
    str = g_new0 (gchar, pos.pos + 1);

    evbuffer_remove (in, str, pos.pos);
    str[pos.pos] = '\0';

    i = atoll (str);
    g_free (str);

    // remove "e"
    evbuffer_remove (in, tmp, 1);
    
    return i;
}
Ejemplo n.º 6
0
/*{{{ string */
static gchar *bvalue_parse_string (struct evbuffer *in, gint32 *len)
{
    gchar *str;
    gchar *clen;
    struct evbuffer_ptr pos;
    gchar tmp[1];

    pos = evbuffer_search (in, ":", 1, NULL);
    clen = g_new0 (gchar, pos.pos + 1);
    evbuffer_remove (in, clen, pos.pos);
    clen[pos.pos] = '\0';

    *len = atoi (clen);
    g_free (clen);
    
    // remove ":"
    evbuffer_remove (in, tmp, 1);

    str = g_new0 (gchar, *len + 1);
    evbuffer_remove (in, str, *len);
    str[*len] = '\0';

    return str;
}
Ejemplo n.º 7
0
    unsigned int Connection::searchInput( const char* what, unsigned int length )
    {
        evbuffer_ptr found = evbuffer_search( m_input, what, length, NULL );

        return found.pos;
    }