示例#1
0
文件: curl_imap.c 项目: fquinto/curl
/***********************************************************************
 *
 * imap_perform()
 *
 * This is the actual DO function for IMAP. Get a file/directory according to
 * the options previously setup.
 */
static CURLcode imap_perform(struct connectdata *conn, bool *connected,
                             bool *dophase_done)
{
  /* This is IMAP and no proxy */
  CURLcode result = CURLE_OK;

  DEBUGF(infof(conn->data, "DO phase starts\n"));

  if(conn->data->set.opt_no_body) {
    /* Requested no body means no transfer */
    struct FTP *imap = conn->data->state.proto.imap;
    imap->transfer = FTPTRANSFER_INFO;
  }

  *dophase_done = FALSE; /* not done yet */

  /* Start the first command in the DO phase */
  result = imap_select(conn);
  if(result)
    return result;

  /* Run the state-machine */
  if(conn->data->state.used_interface == Curl_if_multi)
    result = imap_multi_statemach(conn, dophase_done);
  else {
    result = imap_easy_statemach(conn);
    *dophase_done = TRUE; /* with the easy interface we are done here */
  }
  *connected = conn->bits.tcpconnect[FIRSTSOCKET];

  if(*dophase_done)
    DEBUGF(infof(conn->data, "DO phase is complete\n"));

  return result;
}
示例#2
0
文件: curl_imap.c 项目: fquinto/curl
/***********************************************************************
 *
 * imap_connect() should do everything that is to be considered a part of
 * the connection phase.
 *
 * The variable 'done' points to will be TRUE if the protocol-layer connect
 * phase is done when this function returns, or FALSE is not. When called as
 * a part of the easy interface, it will always be TRUE.
 */
static CURLcode imap_connect(struct connectdata *conn,
                                 bool *done) /* see description above */
{
  CURLcode result;
  struct imap_conn *imapc = &conn->proto.imapc;
  struct SessionHandle *data=conn->data;
  struct pingpong *pp = &imapc->pp;

  *done = FALSE; /* default to not done yet */

  /* If there already is a protocol-specific struct allocated for this
     sessionhandle, deal with it */
  Curl_reset_reqproto(conn);

  result = imap_init(conn);
  if(CURLE_OK != result)
    return result;

  /* We always support persistent connections on imap */
  conn->bits.close = FALSE;

  pp->response_time = RESP_TIMEOUT; /* set default response time-out */
  pp->statemach_act = imap_statemach_act;
  pp->endofresp = imap_endofresp;
  pp->conn = conn;

  if((conn->handler->flags & PROTOPT_SSL) &&
     data->state.used_interface != Curl_if_multi) {
    /* IMAPS is simply imap with SSL for the control channel */
    /* so perform the SSL initialization for this socket */
    result = Curl_ssl_connect(conn, FIRSTSOCKET);
    if(result)
      return result;
  }

  /* Initialise the response reader stuff */
  Curl_pp_init(pp);

  /* Start off waiting for the server greeting response */
  state(conn, IMAP_SERVERGREET);

  /* Start off with an id of '*' */
  imapc->idstr = "*";

  if(data->state.used_interface == Curl_if_multi)
    result = imap_multi_statemach(conn, done);
  else {
    result = imap_easy_statemach(conn);
    if(!result)
      *done = TRUE;
  }

  return result;
}
示例#3
0
文件: imap.c 项目: 1833183060/wke
/* called from multi.c while DOing */
static CURLcode imap_doing(struct connectdata *conn,
                               bool *dophase_done)
{
  CURLcode result;
  result = imap_multi_statemach(conn, dophase_done);

  if(*dophase_done) {
    result = imap_dophase_done(conn, FALSE /* not connected */);

    DEBUGF(infof(conn->data, "DO phase is complete\n"));
  }
  return result;
}
示例#4
0
文件: imap.c 项目: 1833183060/wke
/*
 * imap_connect() should do everything that is to be considered a part of
 * the connection phase.
 *
 * The variable 'done' points to will be TRUE if the protocol-layer connect
 * phase is done when this function returns, or FALSE is not. When called as
 * a part of the easy interface, it will always be TRUE.
 */
static CURLcode imap_connect(struct connectdata *conn,
                                 bool *done) /* see description above */
{
  CURLcode result;
  struct imap_conn *imapc = &conn->proto.imapc;
  struct SessionHandle *data=conn->data;
  struct pingpong *pp = &imapc->pp;

  *done = FALSE; /* default to not done yet */

  /* If there already is a protocol-specific struct allocated for this
     sessionhandle, deal with it */
  Curl_reset_reqproto(conn);

  result = imap_init(conn);
  if(CURLE_OK != result)
    return result;

  /* We always support persistant connections on imap */
  conn->bits.close = FALSE;

  pp->response_time = RESP_TIMEOUT; /* set default response time-out */
  pp->statemach_act = imap_statemach_act;
  pp->endofresp = imap_endofresp;
  pp->conn = conn;

#if !defined(CURL_DISABLE_HTTP) && !defined(CURL_DISABLE_PROXY)
  if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
    /* for IMAP over HTTP proxy */
    struct HTTP http_proxy;
    struct FTP *imap_save;

    /* BLOCKING */
    /* We want "seamless" IMAP operations through HTTP proxy tunnel */

    /* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
     * conn->proto.http; we want IMAP through HTTP and we have to change the
     * member temporarily for connecting to the HTTP proxy. After
     * Curl_proxyCONNECT we have to set back the member to the original struct
     * IMAP pointer
     */
    imap_save = data->state.proto.imap;
    memset(&http_proxy, 0, sizeof(http_proxy));
    data->state.proto.http = &http_proxy;

    result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
                               conn->host.name, conn->remote_port);

    data->state.proto.imap = imap_save;

    if(CURLE_OK != result)
      return result;
  }
#endif /* !CURL_DISABLE_HTTP && !CURL_DISABLE_PROXY */

  if(conn->protocol & PROT_IMAPS) {
    /* BLOCKING */
    /* IMAPS is simply imap with SSL for the control channel */
    /* now, perform the SSL initialization for this socket */
    result = Curl_ssl_connect(conn, FIRSTSOCKET);
    if(result)
      return result;
  }

  Curl_pp_init(pp); /* init generic pingpong data */

  /* When we connect, we start in the state where we await the server greeting
     response */
  state(conn, IMAP_SERVERGREET);
  imapc->idstr = "*"; /* we start off waiting for a '*' response */

  if(data->state.used_interface == Curl_if_multi)
    result = imap_multi_statemach(conn, done);
  else {
    result = imap_easy_statemach(conn);
    if(!result)
      *done = TRUE;
  }

  return result;
}