Beispiel #1
0
/***********************************************************************
 *
 * smtp_connect()
 *
 * This function should do everything that is to be considered a part of
 * the connection phase.
 *
 * The variable pointed to by 'done' will be TRUE if the protocol-layer
 * connect phase is done when this function returns, or FALSE if not. When
 * called as a part of the easy interface, it will always be TRUE.
 */
static CURLcode smtp_connect(struct connectdata *conn, bool *done)
{
  CURLcode result;
  struct smtp_conn *smtpc = &conn->proto.smtpc;
  struct pingpong *pp = &smtpc->pp;
  const char *path = conn->data->state.path;
  char localhost[HOSTNAME_MAX + 1];

  *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 = smtp_init(conn);
  if(CURLE_OK != result)
    return result;

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

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

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

  /* Set the default response time-out */
  pp->response_time = RESP_TIMEOUT;
  pp->statemach_act = smtp_statemach_act;
  pp->endofresp = smtp_endofresp;
  pp->conn = conn;

  /* Calculate the path if necessary */
  if(!*path) {
    if(!Curl_gethostname(localhost, sizeof(localhost)))
      path = localhost;
    else
      path = "localhost";
  }

  /* URL decode the path and use it as the domain in our EHLO */
  result = Curl_urldecode(conn->data, path, 0, &smtpc->domain, NULL, TRUE);
  if(result)
    return result;

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

  result = smtp_multi_statemach(conn, done);

  return result;
}
Beispiel #2
0
/***********************************************************************
 *
 * smtp_parse_url_path()
 *
 * Parse the URL path into separate path components.
 */
static CURLcode smtp_parse_url_path(struct connectdata *conn)
{
  /* The SMTP struct is already initialised in smtp_connect() */
  struct Curl_easy *data = conn->data;
  struct smtp_conn *smtpc = &conn->proto.smtpc;
  const char *path = data->state.path;
  char localhost[HOSTNAME_MAX + 1];

  /* Calculate the path if necessary */
  if(!*path) {
    if(!Curl_gethostname(localhost, sizeof(localhost)))
      path = localhost;
    else
      path = "localhost";
  }

  /* URL decode the path and use it as the domain in our EHLO */
  return Curl_urldecode(conn->data, path, 0, &smtpc->domain, NULL, TRUE);
}
Beispiel #3
0
int main(int argc, char *argv[])
{
  char buff[HOSTNAME_MAX];
  if (argc != 2) {
    printf("Usage: %s EXPECTED_HOSTNAME\n", argv[0]);
    return 1;
  }

  if (Curl_gethostname(buff, HOSTNAME_MAX)) {
    printf("Curl_gethostname() failed\n");
    return 1;
  }

  /* compare the name returned by Curl_gethostname() with the expected one */
  if(strncmp(buff, argv[1], HOSTNAME_MAX)) {
    printf("got unexpected host name back, LD_PRELOAD failed\n");
    return 1;
  }
  return 0;
}
Beispiel #4
0
/*
 * smtp_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 smtp_connect(struct connectdata *conn,
                             bool *done) /* see description above */
{
    CURLcode result;
    struct smtp_conn *smtpc = &conn->proto.smtpc;
    struct SessionHandle *data=conn->data;
    struct pingpong *pp=&smtpc->pp;
    const char *path = conn->data->state.path;
    int len;
    char localhost[1024 + 1];

    *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 = smtp_init(conn);
    if(CURLE_OK != result)
        return result;

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

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

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

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

        /* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
         * conn->proto.http; we want SMTP 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
         * SMTP pointer
         */
        smtp_save = data->state.proto.smtp;
        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.smtp = smtp_save;

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

    if(conn->protocol & PROT_SMTPS) {
        /* BLOCKING */
        /* SMTPS is simply smtp 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 the response reader stuff */

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

    if(!*path) {
        if(!Curl_gethostname(localhost, sizeof localhost))
            path = localhost;
        else
            path = "localhost";
    }

    /* url decode the path and use it as domain with EHLO */
    smtpc->domain = curl_easy_unescape(conn->data, path, 0, &len);
    if(!smtpc->domain)
        return CURLE_OUT_OF_MEMORY;

    /* When we connect, we start in the state where we await the server greeting
     */
    state(conn, SMTP_SERVERGREET);

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

    return result;
}
Beispiel #5
0
/*
 * smtp_connect() should do everything that is to be considered a part of
 * the connection phase.
 *
 * The variable pointed to by 'done' will be TRUE if the protocol-layer
 * connect phase is done when this function returns, or FALSE if not. When
 * called as a part of the easy interface, it will always be TRUE.
 */
static CURLcode smtp_connect(struct connectdata *conn,
                             bool *done) /* see description above */
{
  CURLcode result;
  struct smtp_conn *smtpc = &conn->proto.smtpc;
  struct SessionHandle *data = conn->data;
  struct pingpong *pp = &smtpc->pp;
  const char *path = conn->data->state.path;
  char localhost[HOSTNAME_MAX + 1];

  *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 = smtp_init(conn);
  if(CURLE_OK != result)
    return result;

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

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

  if((conn->handler->protocol & CURLPROTO_SMTPS) &&
      data->state.used_interface != Curl_if_multi) {
    /* SMTPS is simply smtp 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 the response reader stuff */

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

  if(!*path) {
    if(!Curl_gethostname(localhost, sizeof(localhost)))
      path = localhost;
    else
      path = "localhost";
  }

  /* Url decode the path and use it as the domain in our EHLO */
  result = Curl_urldecode(conn->data, path, 0, &smtpc->domain, NULL, TRUE);
  if(result)
    return result;

  /* Set the state as we are waiting the server greeting */
  state(conn, SMTP_SERVERGREET);

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

  return result;
}