示例#1
0
文件: pop3.c 项目: dinny/curl
/***********************************************************************
 *
 * pop3_regular_transfer()
 *
 * The input argument is already checked for validity.
 *
 * Performs all commands done before a regular transfer between a local and a
 * remote host.
 *
 */
static
CURLcode pop3_regular_transfer(struct connectdata *conn,
                              bool *dophase_done)
{
  CURLcode result=CURLE_OK;
  bool connected=FALSE;
  struct SessionHandle *data = conn->data;
  data->req.size = -1; /* make sure this is unknown at this point */

  Curl_pgrsSetUploadCounter(data, 0);
  Curl_pgrsSetDownloadCounter(data, 0);
  Curl_pgrsSetUploadSize(data, 0);
  Curl_pgrsSetDownloadSize(data, 0);

  result = pop3_perform(conn,
                        &connected, /* have we connected after PASV/PORT */
                        dophase_done); /* all commands in the DO-phase done? */

  if(CURLE_OK == result) {

    if(!*dophase_done)
      /* the DO phase has not completed yet */
      return CURLE_OK;

    result = pop3_dophase_done(conn, connected);
    if(result)
      return result;
  }

  return result;
}
示例#2
0
文件: smtp.c 项目: sohailsomani/curl
/***********************************************************************
 *
 * smtp_regular_transfer()
 *
 * The input argument is already checked for validity.
 *
 * Performs all commands done before a regular transfer between a local and a
 * remote host.
 */
static CURLcode smtp_regular_transfer(struct connectdata *conn,
                                      bool *dophase_done)
{
  CURLcode result = CURLE_OK;
  bool connected = FALSE;
  struct SessionHandle *data = conn->data;

  /* Make sure size is unknown at this point */
  data->req.size = -1;

  Curl_pgrsSetUploadCounter(data, 0);
  Curl_pgrsSetDownloadCounter(data, 0);
  Curl_pgrsSetUploadSize(data, 0);
  Curl_pgrsSetDownloadSize(data, 0);

  result = smtp_perform(conn, &connected, dophase_done);

  if(CURLE_OK == result) {
    if(!*dophase_done)
      /* The DO phase has not completed yet */
      return CURLE_OK;

    result = smtp_dophase_done(conn, connected);
    if(result)
      return result;
  }

  return result;
}
示例#3
0
文件: smtp.c 项目: vszakats/curl
/***********************************************************************
 *
 * smtp_regular_transfer()
 *
 * The input argument is already checked for validity.
 *
 * Performs all commands done before a regular transfer between a local and a
 * remote host.
 */
static CURLcode smtp_regular_transfer(struct connectdata *conn,
                                      bool *dophase_done)
{
  CURLcode result = CURLE_OK;
  bool connected = FALSE;
  struct Curl_easy *data = conn->data;

  /* Make sure size is unknown at this point */
  data->req.size = -1;

  /* Set the progress data */
  Curl_pgrsSetUploadCounter(data, 0);
  Curl_pgrsSetDownloadCounter(data, 0);
  Curl_pgrsSetUploadSize(data, -1);
  Curl_pgrsSetDownloadSize(data, -1);

  /* Carry out the perform */
  result = smtp_perform(conn, &connected, dophase_done);

  /* Perform post DO phase operations if necessary */
  if(!result && *dophase_done)
    result = smtp_dophase_done(conn, connected);

  return result;
}
示例#4
0
文件: file.c 项目: 0w/moai-dev
static CURLcode file_upload(struct connectdata *conn)
{
  struct FILEPROTO *file = conn->data->state.proto.file;
  const char *dir = strchr(file->path, DIRSEP);
  FILE *fp;
  CURLcode res=CURLE_OK;
  struct SessionHandle *data = conn->data;
  char *buf = data->state.buffer;
  size_t nread;
  size_t nwrite;
  curl_off_t bytecount = 0;
  struct timeval now = Curl_tvnow();
  struct_stat file_stat;
  const char* buf2;

  /*
   * Since FILE: doesn't do the full init, we need to provide some extra
   * assignments here.
   */
  conn->fread_func = data->set.fread_func;
  conn->fread_in = data->set.in;
  conn->data->req.upload_fromhere = buf;

  if(!dir)
    return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */

  if(!dir[1])
     return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */

  if(data->state.resume_from)
    fp = fopen( file->path, "ab" );
  else {
    int fd;

#ifdef DOS_FILESYSTEM
    fd = open(file->path, O_WRONLY|O_CREAT|O_TRUNC|O_BINARY,
              conn->data->set.new_file_perms);
#else
    fd = open(file->path, O_WRONLY|O_CREAT|O_TRUNC,
              conn->data->set.new_file_perms);
#endif
    if(fd < 0) {
      failf(data, "Can't open %s for writing", file->path);
      return CURLE_WRITE_ERROR;
    }
    close(fd);
    fp = fopen(file->path, "wb");
  }

  if(!fp) {
    failf(data, "Can't open %s for writing", file->path);
    return CURLE_WRITE_ERROR;
  }

  if(-1 != data->set.infilesize)
    /* known size of data to "upload" */
    Curl_pgrsSetUploadSize(data, data->set.infilesize);

  /* treat the negative resume offset value as the case of "-" */
  if(data->state.resume_from < 0) {
    if(fstat(fileno(fp), &file_stat)) {
      fclose(fp);
      failf(data, "Can't get the size of %s", file->path);
      return CURLE_WRITE_ERROR;
    }
    else
      data->state.resume_from = (curl_off_t)file_stat.st_size;
  }

  while(res == CURLE_OK) {
    int readcount;
    res = Curl_fillreadbuffer(conn, BUFSIZE, &readcount);
    if(res)
      break;

    if(readcount <= 0)  /* fix questionable compare error. curlvms */
      break;

    nread = (size_t)readcount;

    /*skip bytes before resume point*/
    if(data->state.resume_from) {
      if( (curl_off_t)nread <= data->state.resume_from ) {
        data->state.resume_from -= nread;
        nread = 0;
        buf2 = buf;
      }
      else {
        buf2 = buf + data->state.resume_from;
        nread -= (size_t)data->state.resume_from;
        data->state.resume_from = 0;
      }
    }
    else
      buf2 = buf;

    /* write the data to the target */
    nwrite = fwrite(buf2, 1, nread, fp);
    if(nwrite != nread) {
      res = CURLE_SEND_ERROR;
      break;
    }

    bytecount += nread;

    Curl_pgrsSetUploadCounter(data, bytecount);

    if(Curl_pgrsUpdate(conn))
      res = CURLE_ABORTED_BY_CALLBACK;
    else
      res = Curl_speedcheck(data, now);
  }
  if(!res && Curl_pgrsUpdate(conn))
    res = CURLE_ABORTED_BY_CALLBACK;

  fclose(fp);

  return res;
}
示例#5
0
文件: rtsp.c 项目: drashti304/TizenRT
static CURLcode rtsp_do(struct connectdata *conn, bool *done)
{
  struct Curl_easy *data = conn->data;
  CURLcode result = CURLE_OK;
  Curl_RtspReq rtspreq = data->set.rtspreq;
  struct RTSP *rtsp = data->req.protop;
  struct HTTP *http;
  Curl_send_buffer *req_buffer;
  curl_off_t postsize = 0; /* for ANNOUNCE and SET_PARAMETER */
  curl_off_t putsize = 0; /* for ANNOUNCE and SET_PARAMETER */

  const char *p_request = NULL;
  const char *p_session_id = NULL;
  const char *p_accept = NULL;
  const char *p_accept_encoding = NULL;
  const char *p_range = NULL;
  const char *p_referrer = NULL;
  const char *p_stream_uri = NULL;
  const char *p_transport = NULL;
  const char *p_uagent = NULL;
  const char *p_proxyuserpwd = NULL;
  const char *p_userpwd = NULL;

  *done = TRUE;

  http = &(rtsp->http_wrapper);
  /* Assert that no one has changed the RTSP struct in an evil way */
  DEBUGASSERT((void *)http == (void *)rtsp);

  rtsp->CSeq_sent = data->state.rtsp_next_client_CSeq;
  rtsp->CSeq_recv = 0;

  /* Setup the 'p_request' pointer to the proper p_request string
   * Since all RTSP requests are included here, there is no need to
   * support custom requests like HTTP.
   **/
  data->set.opt_no_body = TRUE; /* most requests don't contain a body */
  switch(rtspreq) {
  default:
    failf(data, "Got invalid RTSP request");
    return CURLE_BAD_FUNCTION_ARGUMENT;
  case RTSPREQ_OPTIONS:
    p_request = "OPTIONS";
    break;
  case RTSPREQ_DESCRIBE:
    p_request = "DESCRIBE";
    data->set.opt_no_body = FALSE;
    break;
  case RTSPREQ_ANNOUNCE:
    p_request = "ANNOUNCE";
    break;
  case RTSPREQ_SETUP:
    p_request = "SETUP";
    break;
  case RTSPREQ_PLAY:
    p_request = "PLAY";
    break;
  case RTSPREQ_PAUSE:
    p_request = "PAUSE";
    break;
  case RTSPREQ_TEARDOWN:
    p_request = "TEARDOWN";
    break;
  case RTSPREQ_GET_PARAMETER:
    /* GET_PARAMETER's no_body status is determined later */
    p_request = "GET_PARAMETER";
    data->set.opt_no_body = FALSE;
    break;
  case RTSPREQ_SET_PARAMETER:
    p_request = "SET_PARAMETER";
    break;
  case RTSPREQ_RECORD:
    p_request = "RECORD";
    break;
  case RTSPREQ_RECEIVE:
    p_request = "";
    /* Treat interleaved RTP as body*/
    data->set.opt_no_body = FALSE;
    break;
  case RTSPREQ_LAST:
    failf(data, "Got invalid RTSP request: RTSPREQ_LAST");
    return CURLE_BAD_FUNCTION_ARGUMENT;
  }

  if(rtspreq == RTSPREQ_RECEIVE) {
    Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE,
                        &http->readbytecount, -1, NULL);

    return result;
  }

  p_session_id = data->set.str[STRING_RTSP_SESSION_ID];
  if(!p_session_id &&
     (rtspreq & ~(RTSPREQ_OPTIONS | RTSPREQ_DESCRIBE | RTSPREQ_SETUP))) {
    failf(data, "Refusing to issue an RTSP request [%s] without a session ID.",
          p_request);
    return CURLE_BAD_FUNCTION_ARGUMENT;
  }

  /* TODO: proxy? */

  /* Stream URI. Default to server '*' if not specified */
  if(data->set.str[STRING_RTSP_STREAM_URI]) {
    p_stream_uri = data->set.str[STRING_RTSP_STREAM_URI];
  }
  else {
    p_stream_uri = "*";
  }

  /* Transport Header for SETUP requests */
  p_transport = Curl_checkheaders(conn, "Transport:");
  if(rtspreq == RTSPREQ_SETUP && !p_transport) {
    /* New Transport: setting? */
    if(data->set.str[STRING_RTSP_TRANSPORT]) {
      Curl_safefree(conn->allocptr.rtsp_transport);

      conn->allocptr.rtsp_transport =
        aprintf("Transport: %s\r\n",
                data->set.str[STRING_RTSP_TRANSPORT]);
      if(!conn->allocptr.rtsp_transport)
        return CURLE_OUT_OF_MEMORY;
    }
    else {
      failf(data,
            "Refusing to issue an RTSP SETUP without a Transport: header.");
      return CURLE_BAD_FUNCTION_ARGUMENT;
    }

    p_transport = conn->allocptr.rtsp_transport;
  }

  /* Accept Headers for DESCRIBE requests */
  if(rtspreq == RTSPREQ_DESCRIBE) {
    /* Accept Header */
    p_accept = Curl_checkheaders(conn, "Accept:")?
      NULL:"Accept: application/sdp\r\n";

    /* Accept-Encoding header */
    if(!Curl_checkheaders(conn, "Accept-Encoding:") &&
       data->set.str[STRING_ENCODING]) {
      Curl_safefree(conn->allocptr.accept_encoding);
      conn->allocptr.accept_encoding =
        aprintf("Accept-Encoding: %s\r\n", data->set.str[STRING_ENCODING]);

      if(!conn->allocptr.accept_encoding)
        return CURLE_OUT_OF_MEMORY;

      p_accept_encoding = conn->allocptr.accept_encoding;
    }
  }

  /* The User-Agent string might have been allocated in url.c already, because
     it might have been used in the proxy connect, but if we have got a header
     with the user-agent string specified, we erase the previously made string
     here. */
  if(Curl_checkheaders(conn, "User-Agent:") && conn->allocptr.uagent) {
    Curl_safefree(conn->allocptr.uagent);
    conn->allocptr.uagent = NULL;
  }
  else if(!Curl_checkheaders(conn, "User-Agent:") &&
          data->set.str[STRING_USERAGENT]) {
    p_uagent = conn->allocptr.uagent;
  }

  /* setup the authentication headers */
  result = Curl_http_output_auth(conn, p_request, p_stream_uri, FALSE);
  if(result)
    return result;

  p_proxyuserpwd = conn->allocptr.proxyuserpwd;
  p_userpwd = conn->allocptr.userpwd;

  /* Referrer */
  Curl_safefree(conn->allocptr.ref);
  if(data->change.referer && !Curl_checkheaders(conn, "Referer:"))
    conn->allocptr.ref = aprintf("Referer: %s\r\n", data->change.referer);
  else
    conn->allocptr.ref = NULL;

  p_referrer = conn->allocptr.ref;

  /*
   * Range Header
   * Only applies to PLAY, PAUSE, RECORD
   *
   * Go ahead and use the Range stuff supplied for HTTP
   */
  if(data->state.use_range &&
     (rtspreq  & (RTSPREQ_PLAY | RTSPREQ_PAUSE | RTSPREQ_RECORD))) {

    /* Check to see if there is a range set in the custom headers */
    if(!Curl_checkheaders(conn, "Range:") && data->state.range) {
      Curl_safefree(conn->allocptr.rangeline);
      conn->allocptr.rangeline = aprintf("Range: %s\r\n", data->state.range);
      p_range = conn->allocptr.rangeline;
    }
  }

  /*
   * Sanity check the custom headers
   */
  if(Curl_checkheaders(conn, "CSeq:")) {
    failf(data, "CSeq cannot be set as a custom header.");
    return CURLE_RTSP_CSEQ_ERROR;
  }
  if(Curl_checkheaders(conn, "Session:")) {
    failf(data, "Session ID cannot be set as a custom header.");
    return CURLE_BAD_FUNCTION_ARGUMENT;
  }

  /* Initialize a dynamic send buffer */
  req_buffer = Curl_add_buffer_init();

  if(!req_buffer)
    return CURLE_OUT_OF_MEMORY;

  result =
    Curl_add_bufferf(req_buffer,
                     "%s %s RTSP/1.0\r\n" /* Request Stream-URI RTSP/1.0 */
                     "CSeq: %ld\r\n", /* CSeq */
                     p_request, p_stream_uri, rtsp->CSeq_sent);
  if(result)
    return result;

  /*
   * Rather than do a normal alloc line, keep the session_id unformatted
   * to make comparison easier
   */
  if(p_session_id) {
    result = Curl_add_bufferf(req_buffer, "Session: %s\r\n", p_session_id);
    if(result)
      return result;
  }

  /*
   * Shared HTTP-like options
   */
  result = Curl_add_bufferf(req_buffer,
                            "%s" /* transport */
                            "%s" /* accept */
                            "%s" /* accept-encoding */
                            "%s" /* range */
                            "%s" /* referrer */
                            "%s" /* user-agent */
                            "%s" /* proxyuserpwd */
                            "%s" /* userpwd */
                            ,
                            p_transport ? p_transport : "",
                            p_accept ? p_accept : "",
                            p_accept_encoding ? p_accept_encoding : "",
                            p_range ? p_range : "",
                            p_referrer ? p_referrer : "",
                            p_uagent ? p_uagent : "",
                            p_proxyuserpwd ? p_proxyuserpwd : "",
                            p_userpwd ? p_userpwd : "");

  /*
   * Free userpwd now --- cannot reuse this for Negotiate and possibly NTLM
   * with basic and digest, it will be freed anyway by the next request
   */
  Curl_safefree(conn->allocptr.userpwd);
  conn->allocptr.userpwd = NULL;

  if(result)
    return result;

  if((rtspreq == RTSPREQ_SETUP) || (rtspreq == RTSPREQ_DESCRIBE)) {
    result = Curl_add_timecondition(data, req_buffer);
    if(result)
      return result;
  }

  result = Curl_add_custom_headers(conn, FALSE, req_buffer);
  if(result)
    return result;

  if(rtspreq == RTSPREQ_ANNOUNCE ||
     rtspreq == RTSPREQ_SET_PARAMETER ||
     rtspreq == RTSPREQ_GET_PARAMETER) {

    if(data->set.upload) {
      putsize = data->state.infilesize;
      data->set.httpreq = HTTPREQ_PUT;

    }
    else {
      postsize = (data->state.infilesize != -1)?
        data->state.infilesize:
        (data->set.postfields? (curl_off_t)strlen(data->set.postfields):0);
      data->set.httpreq = HTTPREQ_POST;
    }

    if(putsize > 0 || postsize > 0) {
      /* As stated in the http comments, it is probably not wise to
       * actually set a custom Content-Length in the headers */
      if(!Curl_checkheaders(conn, "Content-Length:")) {
        result = Curl_add_bufferf(req_buffer,
            "Content-Length: %" CURL_FORMAT_CURL_OFF_T"\r\n",
            (data->set.upload ? putsize : postsize));
        if(result)
          return result;
      }

      if(rtspreq == RTSPREQ_SET_PARAMETER ||
         rtspreq == RTSPREQ_GET_PARAMETER) {
        if(!Curl_checkheaders(conn, "Content-Type:")) {
          result = Curl_add_bufferf(req_buffer,
              "Content-Type: text/parameters\r\n");
          if(result)
            return result;
        }
      }

      if(rtspreq == RTSPREQ_ANNOUNCE) {
        if(!Curl_checkheaders(conn, "Content-Type:")) {
          result = Curl_add_bufferf(req_buffer,
              "Content-Type: application/sdp\r\n");
          if(result)
            return result;
        }
      }

      data->state.expect100header = FALSE; /* RTSP posts are simple/small */
    }
    else if(rtspreq == RTSPREQ_GET_PARAMETER) {
      /* Check for an empty GET_PARAMETER (heartbeat) request */
      data->set.httpreq = HTTPREQ_HEAD;
      data->set.opt_no_body = TRUE;
    }
  }

  /* RTSP never allows chunked transfer */
  data->req.forbidchunk = TRUE;
  /* Finish the request buffer */
  result = Curl_add_buffer(req_buffer, "\r\n", 2);
  if(result)
    return result;

  if(postsize > 0) {
    result = Curl_add_buffer(req_buffer, data->set.postfields,
                             (size_t)postsize);
    if(result)
      return result;
  }

  /* issue the request */
  result = Curl_add_buffer_send(req_buffer, conn,
                                &data->info.request_size, 0, FIRSTSOCKET);
  if(result) {
    failf(data, "Failed sending RTSP request");
    return result;
  }

  Curl_setup_transfer(conn, FIRSTSOCKET, -1, TRUE, &http->readbytecount,
                      putsize?FIRSTSOCKET:-1,
                      putsize?&http->writebytecount:NULL);

  /* Increment the CSeq on success */
  data->state.rtsp_next_client_CSeq++;

  if(http->writebytecount) {
    /* if a request-body has been sent off, we make sure this progress is
       noted properly */
    Curl_pgrsSetUploadCounter(data, http->writebytecount);
    if(Curl_pgrsUpdate(conn))
      result = CURLE_ABORTED_BY_CALLBACK;
  }

  return result;
}
示例#6
0
文件: file.c 项目: 2px/curl
static CURLcode file_upload(struct connectdata *conn)
{
  struct FILEPROTO *file = conn->data->req.protop;
  const char *dir = strchr(file->path, DIRSEP);
  int fd;
  int mode;
  CURLcode result = CURLE_OK;
  struct Curl_easy *data = conn->data;
  char *buf = data->state.buffer;
  size_t nread;
  size_t nwrite;
  curl_off_t bytecount = 0;
  struct timeval now = Curl_tvnow();
  struct_stat file_stat;
  const char* buf2;

  /*
   * Since FILE: doesn't do the full init, we need to provide some extra
   * assignments here.
   */
  conn->data->req.upload_fromhere = buf;

  if(!dir)
    return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */

  if(!dir[1])
    return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */

#ifdef O_BINARY
#define MODE_DEFAULT O_WRONLY|O_CREAT|O_BINARY
#else
#define MODE_DEFAULT O_WRONLY|O_CREAT
#endif

  if(data->state.resume_from)
    mode = MODE_DEFAULT|O_APPEND;
  else
    mode = MODE_DEFAULT|O_TRUNC;

  fd = open(file->path, mode, conn->data->set.new_file_perms);
  if(fd < 0) {
    failf(data, "Can't open %s for writing", file->path);
    return CURLE_WRITE_ERROR;
  }

  if(-1 != data->state.infilesize)
    /* known size of data to "upload" */
    Curl_pgrsSetUploadSize(data, data->state.infilesize);

  /* treat the negative resume offset value as the case of "-" */
  if(data->state.resume_from < 0) {
    if(fstat(fd, &file_stat)) {
      close(fd);
      failf(data, "Can't get the size of %s", file->path);
      return CURLE_WRITE_ERROR;
    }
    else
      data->state.resume_from = (curl_off_t)file_stat.st_size;
  }

  while(!result) {
    int readcount;
    result = Curl_fillreadbuffer(conn, BUFSIZE, &readcount);
    if(result)
      break;

    if(readcount <= 0)  /* fix questionable compare error. curlvms */
      break;

    nread = (size_t)readcount;

    /*skip bytes before resume point*/
    if(data->state.resume_from) {
      if((curl_off_t)nread <= data->state.resume_from) {
        data->state.resume_from -= nread;
        nread = 0;
        buf2 = buf;
      }
      else {
        buf2 = buf + data->state.resume_from;
        nread -= (size_t)data->state.resume_from;
        data->state.resume_from = 0;
      }
    }
    else
      buf2 = buf;

    /* write the data to the target */
    nwrite = write(fd, buf2, nread);
    if(nwrite != nread) {
      result = CURLE_SEND_ERROR;
      break;
    }

    bytecount += nread;

    Curl_pgrsSetUploadCounter(data, bytecount);

    if(Curl_pgrsUpdate(conn))
      result = CURLE_ABORTED_BY_CALLBACK;
    else
      result = Curl_speedcheck(data, now);
  }
  if(!result && Curl_pgrsUpdate(conn))
    result = CURLE_ABORTED_BY_CALLBACK;

  close(fd);

  return result;
}
示例#7
0
文件: telnet.c 项目: AndyUI/curl
static CURLcode telnet_do(struct connectdata *conn, bool *done)
{
  CURLcode result;
  struct SessionHandle *data = conn->data;
  curl_socket_t sockfd = conn->sock[FIRSTSOCKET];
#ifdef USE_WINSOCK
  HMODULE wsock2;
  WSOCK2_FUNC close_event_func;
  WSOCK2_FUNC create_event_func;
  WSOCK2_FUNC event_select_func;
  WSOCK2_FUNC enum_netevents_func;
  WSAEVENT event_handle;
  WSANETWORKEVENTS events;
  HANDLE stdin_handle;
  HANDLE objs[2];
  DWORD  obj_count;
  DWORD  wait_timeout;
  DWORD waitret;
  DWORD readfile_read;
  int err;
#else
  int interval_ms;
  struct pollfd pfd[2];
  int poll_cnt;
  curl_off_t total_dl = 0;
  curl_off_t total_ul = 0;
#endif
  ssize_t nread;
  struct timeval now;
  bool keepon = TRUE;
  char *buf = data->state.buffer;
  struct TELNET *tn;

  *done = TRUE; /* unconditionally */

  result = init_telnet(conn);
  if(result)
    return result;

  tn = (struct TELNET *)data->req.protop;

  result = check_telnet_options(conn);
  if(result)
    return result;

#ifdef USE_WINSOCK
  /*
  ** This functionality only works with WinSock >= 2.0.  So,
  ** make sure have it.
  */
  result = check_wsock2(data);
  if(result)
    return result;

  /* OK, so we have WinSock 2.0.  We need to dynamically */
  /* load ws2_32.dll and get the function pointers we need. */
  wsock2 = LoadLibrary(TEXT("WS2_32.DLL"));
  if(wsock2 == NULL) {
    failf(data, "failed to load WS2_32.DLL (%d)", ERRNO);
    return CURLE_FAILED_INIT;
  }

  /* Grab a pointer to WSACreateEvent */
  create_event_func = GetProcAddress(wsock2, "WSACreateEvent");
  if(create_event_func == NULL) {
    failf(data, "failed to find WSACreateEvent function (%d)", ERRNO);
    FreeLibrary(wsock2);
    return CURLE_FAILED_INIT;
  }

  /* And WSACloseEvent */
  close_event_func = GetProcAddress(wsock2, "WSACloseEvent");
  if(close_event_func == NULL) {
    failf(data, "failed to find WSACloseEvent function (%d)", ERRNO);
    FreeLibrary(wsock2);
    return CURLE_FAILED_INIT;
  }

  /* And WSAEventSelect */
  event_select_func = GetProcAddress(wsock2, "WSAEventSelect");
  if(event_select_func == NULL) {
    failf(data, "failed to find WSAEventSelect function (%d)", ERRNO);
    FreeLibrary(wsock2);
    return CURLE_FAILED_INIT;
  }

  /* And WSAEnumNetworkEvents */
  enum_netevents_func = GetProcAddress(wsock2, "WSAEnumNetworkEvents");
  if(enum_netevents_func == NULL) {
    failf(data, "failed to find WSAEnumNetworkEvents function (%d)", ERRNO);
    FreeLibrary(wsock2);
    return CURLE_FAILED_INIT;
  }

  /* We want to wait for both stdin and the socket. Since
  ** the select() function in winsock only works on sockets
  ** we have to use the WaitForMultipleObjects() call.
  */

  /* First, create a sockets event object */
  event_handle = (WSAEVENT)create_event_func();
  if(event_handle == WSA_INVALID_EVENT) {
    failf(data, "WSACreateEvent failed (%d)", SOCKERRNO);
    FreeLibrary(wsock2);
    return CURLE_FAILED_INIT;
  }

  /* Tell winsock what events we want to listen to */
  if(event_select_func(sockfd, event_handle, FD_READ|FD_CLOSE) ==
     SOCKET_ERROR) {
    close_event_func(event_handle);
    FreeLibrary(wsock2);
    return CURLE_OK;
  }

  /* The get the Windows file handle for stdin */
  stdin_handle = GetStdHandle(STD_INPUT_HANDLE);

  /* Create the list of objects to wait for */
  objs[0] = event_handle;
  objs[1] = stdin_handle;

  /* If stdin_handle is a pipe, use PeekNamedPipe() method to check it,
     else use the old WaitForMultipleObjects() way */
  if(GetFileType(stdin_handle) == FILE_TYPE_PIPE ||
     data->set.is_fread_set) {
    /* Don't wait for stdin_handle, just wait for event_handle */
    obj_count = 1;
    /* Check stdin_handle per 100 milliseconds */
    wait_timeout = 100;
  }
  else {
    obj_count = 2;
    wait_timeout = 1000;
  }

  /* Keep on listening and act on events */
  while(keepon) {
    waitret = WaitForMultipleObjects(obj_count, objs, FALSE, wait_timeout);
    switch(waitret) {
    case WAIT_TIMEOUT:
    {
      for(;;) {
        if(data->set.is_fread_set) {
          /* read from user-supplied method */
          result = (int)data->state.fread_func(buf, 1, BUFSIZE - 1,
                                               data->state.in);
          if(result == CURL_READFUNC_ABORT) {
            keepon = FALSE;
            result = CURLE_READ_ERROR;
            break;
          }

          if(result == CURL_READFUNC_PAUSE)
            break;

          if(result == 0)                        /* no bytes */
            break;

          readfile_read = result; /* fall thru with number of bytes read */
        }
        else {
          /* read from stdin */
          if(!PeekNamedPipe(stdin_handle, NULL, 0, NULL,
                            &readfile_read, NULL)) {
            keepon = FALSE;
            result = CURLE_READ_ERROR;
            break;
          }

          if(!readfile_read)
            break;

          if(!ReadFile(stdin_handle, buf, sizeof(data->state.buffer),
                       &readfile_read, NULL)) {
            keepon = FALSE;
            result = CURLE_READ_ERROR;
            break;
          }
        }

        result = send_telnet_data(conn, buf, readfile_read);
        if(result) {
          keepon = FALSE;
          break;
        }
      }
    }
    break;

    case WAIT_OBJECT_0 + 1:
    {
      if(!ReadFile(stdin_handle, buf, sizeof(data->state.buffer),
                   &readfile_read, NULL)) {
        keepon = FALSE;
        result = CURLE_READ_ERROR;
        break;
      }

      result = send_telnet_data(conn, buf, readfile_read);
      if(result) {
        keepon = FALSE;
        break;
      }
    }
    break;

    case WAIT_OBJECT_0:

      events.lNetworkEvents = 0;
      if(SOCKET_ERROR == enum_netevents_func(sockfd, event_handle, &events)) {
        if((err = SOCKERRNO) != EINPROGRESS) {
          infof(data, "WSAEnumNetworkEvents failed (%d)", err);
          keepon = FALSE;
          result = CURLE_READ_ERROR;
        }
        break;
      }
      if(events.lNetworkEvents & FD_READ) {
        /* read data from network */
        result = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
        /* read would've blocked. Loop again */
        if(result == CURLE_AGAIN)
          break;
        /* returned not-zero, this an error */
        else if(result) {
          keepon = FALSE;
          break;
        }
        /* returned zero but actually received 0 or less here,
           the server closed the connection and we bail out */
        else if(nread <= 0) {
          keepon = FALSE;
          break;
        }

        result = telrcv(conn, (unsigned char *) buf, nread);
        if(result) {
          keepon = FALSE;
          break;
        }

        /* Negotiate if the peer has started negotiating,
           otherwise don't. We don't want to speak telnet with
           non-telnet servers, like POP or SMTP. */
        if(tn->please_negotiate && !tn->already_negotiated) {
          negotiate(conn);
          tn->already_negotiated = 1;
        }
      }
      if(events.lNetworkEvents & FD_CLOSE) {
        keepon = FALSE;
      }
      break;

    }

    if(data->set.timeout) {
      now = Curl_tvnow();
      if(Curl_tvdiff(now, conn->created) >= data->set.timeout) {
        failf(data, "Time-out");
        result = CURLE_OPERATION_TIMEDOUT;
        keepon = FALSE;
      }
    }
  }

  /* We called WSACreateEvent, so call WSACloseEvent */
  if(!close_event_func(event_handle)) {
    infof(data, "WSACloseEvent failed (%d)", SOCKERRNO);
  }

  /* "Forget" pointers into the library we're about to free */
  create_event_func = NULL;
  close_event_func = NULL;
  event_select_func = NULL;
  enum_netevents_func = NULL;

  /* We called LoadLibrary, so call FreeLibrary */
  if(!FreeLibrary(wsock2))
    infof(data, "FreeLibrary(wsock2) failed (%d)", ERRNO);
#else
  pfd[0].fd = sockfd;
  pfd[0].events = POLLIN;

  if(data->set.is_fread_set) {
    poll_cnt = 1;
    interval_ms = 100; /* poll user-supplied read function */
  }
  else {
    /* really using fread, so infile is a FILE* */
    pfd[1].fd = fileno((FILE *)data->state.in);
    pfd[1].events = POLLIN;
    poll_cnt = 2;
    interval_ms = 1 * 1000;
  }

  while(keepon) {
    switch (Curl_poll(pfd, poll_cnt, interval_ms)) {
    case -1:                    /* error, stop reading */
      keepon = FALSE;
      continue;
    case 0:                     /* timeout */
      pfd[0].revents = 0;
      pfd[1].revents = 0;
      /* fall through */
    default:                    /* read! */
      if(pfd[0].revents & POLLIN) {
        /* read data from network */
        result = Curl_read(conn, sockfd, buf, BUFSIZE - 1, &nread);
        /* read would've blocked. Loop again */
        if(result == CURLE_AGAIN)
          break;
        /* returned not-zero, this an error */
        else if(result) {
          keepon = FALSE;
          break;
        }
        /* returned zero but actually received 0 or less here,
           the server closed the connection and we bail out */
        else if(nread <= 0) {
          keepon = FALSE;
          break;
        }

        total_dl += nread;
        Curl_pgrsSetDownloadCounter(data, total_dl);
        result = telrcv(conn, (unsigned char *)buf, nread);
        if(result) {
          keepon = FALSE;
          break;
        }

        /* Negotiate if the peer has started negotiating,
           otherwise don't. We don't want to speak telnet with
           non-telnet servers, like POP or SMTP. */
        if(tn->please_negotiate && !tn->already_negotiated) {
          negotiate(conn);
          tn->already_negotiated = 1;
        }
      }

      nread = 0;
      if(poll_cnt == 2) {
        if(pfd[1].revents & POLLIN) { /* read from in file */
          nread = read(pfd[1].fd, buf, BUFSIZE - 1);
        }
      }
      else {
        /* read from user-supplied method */
        nread = (int)data->state.fread_func(buf, 1, BUFSIZE - 1,
                                            data->state.in);
        if(nread == CURL_READFUNC_ABORT) {
          keepon = FALSE;
          break;
        }
        if(nread == CURL_READFUNC_PAUSE)
          break;
      }

      if(nread > 0) {
        result = send_telnet_data(conn, buf, nread);
        if(result) {
          keepon = FALSE;
          break;
        }
        total_ul += nread;
        Curl_pgrsSetUploadCounter(data, total_ul);
      }
      else if(nread < 0)
        keepon = FALSE;

      break;
    } /* poll switch statement */

    if(data->set.timeout) {
      now = Curl_tvnow();
      if(Curl_tvdiff(now, conn->created) >= data->set.timeout) {
        failf(data, "Time-out");
        result = CURLE_OPERATION_TIMEDOUT;
        keepon = FALSE;
      }
    }

    if(Curl_pgrsUpdate(conn)) {
      result = CURLE_ABORTED_BY_CALLBACK;
      break;
    }
  }
#endif
  /* mark this as "no further transfer wanted" */
  Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);

  return result;
}
示例#8
0
static CURLcode file_upload(struct connectdata *conn)
{
  struct FILEPROTO *file = conn->proto.file;
  char *dir = strchr(file->path, DIRSEP);
  FILE *fp;
  CURLcode res=CURLE_OK;
  struct SessionHandle *data = conn->data;
  char *buf = data->state.buffer;
  size_t nread;
  size_t nwrite;
  curl_off_t bytecount = 0;
  struct timeval now = Curl_tvnow();

  /*
   * Since FILE: doesn't do the full init, we need to provide some extra
   * assignments here.
   */
  conn->fread = data->set.fread;
  conn->fread_in = data->set.in;
  conn->upload_fromhere = buf;

  if(!dir)
    return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */

  if(!dir[1])
     return CURLE_FILE_COULDNT_READ_FILE; /* fix: better error code */

  fp = fopen(file->path, "wb");
  if(!fp) {
    failf(data, "Can't open %s for writing", file->path);
    return CURLE_WRITE_ERROR;
  }

  if(-1 != data->set.infilesize)
    /* known size of data to "upload" */
    Curl_pgrsSetUploadSize(data, data->set.infilesize);

  while (res == CURLE_OK) {
    int readcount;
    res = Curl_fillreadbuffer(conn, BUFSIZE, &readcount);
    if(res)
      break;

    nread = (size_t)readcount;

    if (nread <= 0)
      break;

    /* write the data to the target */
    nwrite = fwrite(buf, 1, nread, fp);
    if(nwrite != nread) {
      res = CURLE_SEND_ERROR;
      break;
    }

    bytecount += nread;

    Curl_pgrsSetUploadCounter(data, bytecount);

    if(Curl_pgrsUpdate(conn))
      res = CURLE_ABORTED_BY_CALLBACK;
    else
      res = Curl_speedcheck(data, now);
  }
  if(!res && Curl_pgrsUpdate(conn))
    res = CURLE_ABORTED_BY_CALLBACK;

  fclose(fp);

  return res;
}