imap: Added URL parsing of new variables

 */

static CURLcode imap_parse_url_path(struct connectdata *conn)

{

  /* The imap struct is already inited in imap_connect() */

  /* The imap struct is already initialised in imap_connect() */

  CURLcode result = CURLE_OK;

  struct SessionHandle *data = conn->data;

  struct IMAP *imap = data->state.proto.imap;

  const char *path = data->state.path;

  const char *begin = data->state.path;

  const char *ptr = begin;

  /* See how much of the URL is a valid path and decode it */

  while(imap_is_bchar(*ptr))

    ptr++;

  if(ptr != begin) {

    /* Remove the trailing slash if present */

    const char *end = ptr;

    if(end > begin && end[-1] == '/')

      end--;

    result = Curl_urldecode(data, begin, end - begin, &imap->mailbox, NULL,

                            TRUE);

    if(result)

      return result;

  }

  else

    imap->mailbox = NULL;

  if(!*path)

    path = "INBOX";

  /* There can be any number of parameters in the form ";NAME=VALUE" */

  while(*ptr == ';') {

    char *name;

    char *value;

    size_t valuelen;

  /* URL decode the path and use this mailbox */

  return Curl_urldecode(data, path, 0, &imap->mailbox, NULL, TRUE);

    /* Decode the parameter name */

    begin = ++ptr;

    while(*ptr && *ptr != '=')

      ptr++;

    if(!*ptr)

      return CURLE_URL_MALFORMAT;

    /* Decode the parameter name */

    result = Curl_urldecode(data, begin, ptr - begin, &name, NULL, TRUE);

    if(result)

      return result;

    begin = ++ptr;

    while(imap_is_bchar(*ptr))

      ptr++;

    /* Decode the parameter value */

    result = Curl_urldecode(data, begin, ptr - begin, &value, &valuelen, TRUE);

    if(result) {

      Curl_safefree(name);

      return result;

    }

    DEBUGF(infof(conn->data, "IMAP URL parameter '%s' = '%s'\n", name, value));

    /* Process known parameters (UIDVALIDITY, UID and SECTION) and create

       a virtual URL level as they should be followed by a slash, which needs

       to be stripped. Note: Unknown parameters trigger URL_MALFORMAT error */

    if(Curl_raw_equal(name, "UIDVALIDITY") && !imap->uidvalidity) {

      if(valuelen > 0 && value[valuelen - 1] == '/')

        value[valuelen - 1] = '\0';

      imap->uidvalidity = value;

      value = NULL;

    }

    else if(Curl_raw_equal(name, "UID") && !imap->uid) {

      if(valuelen > 0 && value[valuelen - 1] == '/')

        value[valuelen - 1] = '\0';

      imap->uid = value;

      value = NULL;

    }

    else if(Curl_raw_equal(name, "SECTION") && !imap->section) {

      if(valuelen > 0 && value[valuelen - 1] == '/')

        value[valuelen - 1] = '\0';

      imap->section = value;

      value = NULL;

    }

    else {

      Curl_safefree(name);

      Curl_safefree(value);

      return CURLE_URL_MALFORMAT;

    }

    Curl_safefree(name);

    Curl_safefree(value);

  }

  /* Any extra stuff at the end of the URL is an error */

  if(*ptr)

    return CURLE_URL_MALFORMAT;

  return CURLE_OK;

}

/* Call this when the DO phase has completed */