gftpui.c

一个linux下的ftp程序。它是使用文件传输协议的一系列程序的集合。

                        void *other_uidata, gftp_request * other_request,
                        const char *command)
{
  gftpui_callback_data * cdata;

  if (!GFTP_IS_CONNECTED (request))
    {
      request->logging_function (gftp_logging_error, request,
                                 _("Error: Not connected to a remote site\n"));
      return (1);
    }
  else if (*command == '\0')
    {
      request->logging_function (gftp_logging_error, request,
                     _("usage: site <site command>\n"));
    }
  else
    {
      cdata = g_malloc0 (sizeof (*cdata));
      cdata->request = request;
      cdata->uidata = uidata;
      cdata->input_string = (char *) command;
      cdata->run_function = gftpui_common_run_site;

      gftpui_common_run_callback_function (cdata);

      g_free (cdata);
    }

  return (1);
}


static int
gftpui_common_cmd_mkdir (void *uidata, gftp_request * request,
                         void *other_uidata, gftp_request * other_request,
                         const char *command)
{
  gftpui_callback_data * cdata;

  if (!GFTP_IS_CONNECTED (request))
    {
      request->logging_function (gftp_logging_error, request,
                                 _("Error: Not connected to a remote site\n"));
      return (1);
    }
  else if (*command == '\0')
    {
      request->logging_function (gftp_logging_error, request,
                     _("usage: mkdir <new directory>\n"));
    }
  else
    {
      cdata = g_malloc0 (sizeof (*cdata));
      cdata->request = request;
      cdata->uidata = uidata;
      cdata->input_string = (char *) command;
      cdata->run_function = gftpui_common_run_mkdir;

      gftpui_common_run_callback_function (cdata);

      g_free (cdata);
    }

  return (1);
}


static int
gftpui_common_cmd_chdir (void *uidata, gftp_request * request,
                         void *other_uidata, gftp_request * other_request,
                         const char *command)
{
  gftpui_callback_data * cdata;
  char *tempstr, *newdir = NULL;

  if (!GFTP_IS_CONNECTED (request))
    {
      request->logging_function (gftp_logging_error, request,
                                 _("Error: Not connected to a remote site\n"));
      return (1);
    }
  else if (*command == '\0')
    {
      request->logging_function (gftp_logging_error, request,
                                 _("usage: chdir <directory>\n"));
      return (1);
    }
  else if (request->protonum == GFTP_LOCAL_NUM)
    {
      if (*command != '/' && request->directory != NULL)
        {
          tempstr = gftp_build_path (request, request->directory, command,
                                     NULL);
          newdir = gftp_expand_path (request, tempstr);
          g_free (tempstr);
        }
      else
        newdir = gftp_expand_path (request, command);

      if (newdir == NULL)
        {
          request->logging_function (gftp_logging_error, request,
                                     _("usage: chdir <directory>\n"));
          return (1);
        }
    }

  cdata = g_malloc0 (sizeof (*cdata));
  cdata->request = request;
  cdata->uidata = uidata;
  cdata->input_string = newdir != NULL ? newdir : (char *) command;
  cdata->run_function = gftpui_common_run_chdir;
  cdata->dont_clear_cache = 1;

  gftpui_common_run_callback_function (cdata);

  g_free (cdata);

  if (newdir != NULL)
    g_free (newdir);

  return (1);
}


static int
gftpui_common_cmd_close (void *uidata, gftp_request * request,
                         void *other_uidata, gftp_request * other_request,
                         const char *command)
{
  gftp_disconnect (request);
  return (1);
}


static int
gftpui_common_cmd_pwd (void *uidata, gftp_request * request,
                       void *other_uidata, gftp_request * other_request,
                       const char *command)
{
  if (!GFTP_IS_CONNECTED (request))
    {
      request->logging_function (gftp_logging_error, request,
                                 _("Error: Not connected to a remote site\n"));
      return (1);
    }

  request->logging_function (gftp_logging_misc, request,
                             "%s\n", request->directory);

  return (1);
}


static int
gftpui_common_cmd_quit (void *uidata, gftp_request * request,
                        void *other_uidata, gftp_request * other_request,
                        const char *command)
{
  gftp_shutdown();

  return (0);
}


static int
gftpui_common_cmd_clear (void *uidata, gftp_request * request,
                         void *other_uidata, gftp_request * other_request,
                         const char *command)
{
  if (strcasecmp (command, "cache") == 0)
    gftp_clear_cache_files ();
  else
    {
      gftpui_common_logfunc (gftp_logging_error, request,
                             _("Invalid argument\n"));
    }

  return (1);
}


static int
gftpui_common_clear_show_subhelp (const char *topic)
{
  if (strcmp (topic, "cache") == 0)
    {
      gftpui_common_logfunc (gftp_logging_misc, NULL,
                             _("Clear the directory cache\n"));
      return (1);
    }

  return (0);
}


static int
gftpui_common_set_show_subhelp (const char *topic)
{ 
  gftp_config_vars * cv;
    
  if ((cv = g_hash_table_lookup (gftp_global_options_htable, topic)) != NULL)
    {
      gftpui_common_logfunc (gftp_logging_misc, NULL, "%s\n", cv->comment);
      return (1);
    }

  return (0);
}   


static int
gftpui_common_cmd_ls (void *uidata, gftp_request * request,
                      void *other_uidata, gftp_request * other_request,
                      const char *command)
{
  char *startcolor, *endcolor, *tempstr;
  gftpui_callback_data * cdata;
  GList * templist;
  gftp_file * fle;

  if (!GFTP_IS_CONNECTED (request))
    {
      request->logging_function (gftp_logging_error, request,
                     _("Error: Not connected to a remote site\n"));
      return (1);
    }

  cdata = g_malloc0 (sizeof (*cdata));
  cdata->request = request;
  cdata->uidata = uidata;
  cdata->source_string = *command != '\0' ? (char *) command : NULL;
  cdata->run_function = gftpui_common_run_ls;
  cdata->dont_refresh = 1;

  gftpui_common_run_callback_function (cdata);

  templist = cdata->files;
  while (templist != NULL)
    {
      fle = templist->data;

      gftpui_lookup_file_colors (fle, &startcolor, &endcolor);
      tempstr = gftp_gen_ls_string (fle, startcolor, endcolor);
      request->logging_function (gftp_logging_misc_nolog, request, "%s\n",
                                 tempstr);
      g_free (tempstr);

      templist = templist->next;
      gftp_file_destroy (fle, 1);
    }


  if (cdata->files != NULL)
    g_list_free (cdata->files);
  g_free (cdata);

  return (1);
}


int
gftpui_common_cmd_open (void *uidata, gftp_request * request,
                        void *other_uidata, gftp_request * other_request,
                        const char *command)
{
  gftpui_callback_data * cdata;
  intptr_t retries;

  if (GFTP_IS_CONNECTED (request))
    gftpui_disconnect (uidata);
  
  if (command != NULL)
    {
      if (*command == '\0')
        {
          request->logging_function (gftp_logging_error, request,
                                     _("usage: open " GFTP_URL_USAGE "\n"));
          return (1);
        }
    
      if (gftp_parse_url (request, command) < 0)
        return (1);
    }

  if (gftp_need_username (request))
    gftpui_prompt_username (uidata, request);

  if (gftp_need_password (request))
    gftpui_prompt_password (uidata, request);

  gftp_lookup_request_option (request, "retries", &retries);

  cdata = g_malloc0 (sizeof (*cdata));
  cdata->request = request;
  cdata->uidata = uidata;
  cdata->run_function = gftpui_common_run_connect;
  cdata->retries = retries;
  cdata->dont_check_connection = 1;

  gftpui_common_run_callback_function (cdata);

  g_free (cdata);

  return (1);
}


static int
gftpui_common_cmd_set (void *uidata, gftp_request * request,
                       void *other_uidata, gftp_request * other_request,
                       const char *command)
{
  char *pos, *backpos, buf[256];
  gftp_config_vars * cv, newcv;
  GList * templist;
  int i;
  
  if (command == NULL || *command == '\0')
    {
      for (templist = gftp_options_list;
           templist != NULL; 
           templist = templist->next)
        {
          cv = templist->data;

          for (i=0; cv[i].key != NULL; i++)
            { 
              if (!(cv[i].ports_shown & GFTP_PORT_TEXT))
                continue;

              if (*cv[i].key == '\0' ||
                  gftp_option_types[cv[i].otype].write_function == NULL)
                continue;

              gftp_option_types[cv[i].otype].write_function (&cv[i], buf,
                                                             sizeof (buf), 0);

              gftpui_common_logfunc (gftp_logging_misc_nolog, request,
                                     "%s = %s\n", cv[i].key, buf);
            }
        }
    }
  else
    {
      if ((pos = strchr (command, '=')) == NULL)
        {
          gftpui_common_logfunc (gftp_logging_error, request,
                                 _("usage: set [variable = value]\n"));
          return (1);
        }
      *pos = '\0';

      for (backpos = pos - 1;
           (*backpos == ' ' || *backpos == '\t') && backpos > command;
           backpos--)
        *backpos = '\0';
      for (++pos; *pos == ' ' || *pos == '\t'; pos++);

      if ((cv = g_hash_table_lookup (gftp_global_options_htable, command)) == NULL)
        {
          gftpui_common_logfunc (gftp_logging_error, request,
                                 _("Error: Variable %s is not a valid configuration variable.\n"), command);
          return (1);
        }

      if (!(cv->ports_shown & GFTP_PORT_TEXT))
        {
          gftpui_common_logfunc (gftp_logging_error, request,
                                 _("Error: Variable %s is not available in the text port of gFTP\n"), command);
          return (1);
        }

      if (gftp_option_types[cv->otype].read_function != NULL)
        {
          memcpy (&newcv, cv, sizeof (newcv));
          newcv.flags &= ~GFTP_CVARS_FLAGS_DYNMEM;

          gftp_option_types[cv->otype].read_function (pos, &newcv, 1);

          gftp_set_global_option (command, newcv.value);