gftpui.c

Linux下使用最为广泛的gftp的源码

}


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);

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

          gftpui_common_logfunc (gftp_logging_misc_nolog, request,
                                 "%s = %s\n", newcv.key, buf);

          if (newcv.flags & GFTP_CVARS_FLAGS_DYNMEM)
            g_free (newcv.value);

          gftp_configuration_changed = 1;
        }
    }

  return (1);
}


static int
gftpui_common_cmd_help (void *uidata, gftp_request * request,
                        void *other_uidata, gftp_request * other_request,
                        const char *command)
{
  int i, j, ele, numrows, numcols = 6, handled, number_commands, cmdlen,
      found;
  char commands[128], cmdstr[30];
  const char *pos;

  for (number_commands=0;
       gftpui_common_commands[number_commands].command != NULL;
       number_commands++);

  if (command != NULL && *command != '\0')
    {
      for (pos = command; *pos != ' ' && *pos != '\0'; pos++);
      cmdlen = pos - command;

      for (i=0; gftpui_common_commands[i].command != NULL; i++)
        {
          if (strncmp (gftpui_common_commands[i].command, command, cmdlen) == 0)
            break;
        }

      if (gftpui_common_commands[i].cmd_description != NULL)
        {
          found = 1;

          if (*pos != '\0' && *(pos + 1) != '\0' &&
              gftpui_common_commands[i].subhelp_func != NULL)
            handled = gftpui_common_commands[i].subhelp_func (pos + 1);
          else
            handled = 0;

          if (!handled)
            gftpui_common_logfunc (gftp_logging_misc_nolog, request, "%s\n",
                                 _(gftpui_common_commands[i].cmd_description));
        }
      else
        found = 0;
    }
  else
    found = 0;
  
  if (!found)
    {
      numrows = number_commands / numcols;
      if (number_commands % numcols != 0)
        numrows++;

      gftpui_common_logfunc (gftp_logging_misc_nolog, request,
                             _("Supported commands:\n\n"));
      
      for (i=0; i<numrows; i++)
        {
          strncpy (commands, "\t", sizeof (commands));

          for (j=0; j<numcols; j++)
            {
              ele = i + j * numrows;
              if (ele >= number_commands)
                break;

              g_snprintf (cmdstr, sizeof (cmdstr), "%-10s",
                          gftpui_common_commands[ele].command);
              strncat (commands, cmdstr, sizeof (commands));
            }
          gftpui_common_logfunc (gftp_logging_misc_nolog, request, "%s\n",
                                 commands);
        }
    }
  return (1);
}


static void
_gftpui_common_transfer_files (void *fromuidata, gftp_request * fromrequest,
                               void *touidata, gftp_request * torequest,
                               const char *cmd, const char *filespec)
{
  gftp_transfer * tdata;
  gftp_file * fle;

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

  if (*filespec == '\0')
    {
      fromrequest->logging_function (gftp_logging_error, fromrequest, 
                                     _("usage: %s <filespec>\n"), cmd);
      return;
    }

  tdata = gftp_tdata_new ();
  tdata->fromreq = fromrequest;
  tdata->toreq = torequest;

  if (gftp_list_files (tdata->fromreq) != 0)
    {
      tdata->fromreq = tdata->toreq = NULL;
      free_tdata (tdata);
      return;
    }

  fle = g_malloc0 (sizeof (*fle));
  while (gftp_get_next_file (tdata->fromreq, filespec, fle) > 0)
    {
      if (strcmp (fle->file, ".") == 0 || strcmp (fle->file, "..") == 0)
        {
          gftp_file_destroy (fle, 0);
          continue;
        }

      tdata->files = g_list_append (tdata->files, fle);
      fle = g_malloc (sizeof (*fle));
    }

  g_free (fle);

  gftp_end_transfer (tdata->fromreq);

  if (tdata->files == NULL)
    {
      tdata->fromreq = tdata->toreq = NULL;
      free_tdata (tdata);
      return;
    }

  if (gftp_get_all_subdirs (tdata, NULL) != 0)
    {
      tdata->fromreq = tdata->toreq = NULL;
      free_tdata (tdata);
      return;
    }

  if (tdata->files == NULL)
    {
      tdata->fromreq = tdata->toreq = NULL;
      free_tdata (tdata);
      return;
    }

  gftpui_common_add_file_transfer (tdata->fromreq, tdata->toreq,
                                   fromuidata, touidata, tdata->files);

  g_free (tdata);

  return;
}


int
gftpui_common_cmd_mget_file (void *uidata, gftp_request * request,
                             void *other_uidata, gftp_request * other_request,
                             const char *command)
{
  _gftpui_common_transfer_files (uidata, request, other_uidata, other_request,
                                 "mget", command);
  return (1);
}


int
gftpui_common_cmd_mput_file (void *uidata, gftp_request * request,
                             void *other_uidata, gftp_request * other_request,
                             const char *command)
{
  _gftpui_common_transfer_files (other_uidata, other_request, uidata, request,
                                 "mput", command);
  return (1);
}


gftpui_common_methods gftpui_common_commands[] = {
        {N_("about"),   2, gftpui_common_cmd_about, gftpui_common_request_none,
         N_("Shows gFTP information"), NULL},
        {N_("ascii"),   2, gftpui_common_cmd_ascii, gftpui_common_request_remote,
         N_("Sets the current file transfer mode to Ascii (only for FTP)"), NULL},
        {N_("binary"),  1, gftpui_common_cmd_binary, gftpui_common_request_remote,
         N_("Sets the current file transfer mode to Binary (only for FTP)"), NULL},
        {N_("cd"),      2, gftpui_common_cmd_chdir, gftpui_common_request_remote,
         N_("Changes the remote working directory"), NULL},
        {N_("chdir"),   3, gftpui_common_cmd_chdir, gftpui_common_request_remote,
         N_("Changes the remote working directory"), NULL},
        {N_("chmod"),   3, gftpui_common_cmd_chmod, gftpui_common_request_remote,
         N_("Changes the permissions of a remote file"), NULL},
        {N_("clear"),   3, gftpui_common_cmd_clear, gftpui_common_request_none,
         N_("Available options: cache"), gftpui_common_clear_show_subhelp},
        {N_("close"),   3, gftpui_common_cmd_close, gftpui_common_request_remote,
         N_("Disconnects from the remote site"), NULL},
        {N_("delete"),  1, gftpui_common_cmd_delete, gftpui_common_request_remote,
         N_("Removes a remote file"), NULL},
        {N_("get"),     1, gftpui_common_cmd_mget_file, gftpui_common_request_remote,
         N_("Downloads remote file(s)"), NULL},
        {N_("help"),    1, gftpui_common_cmd_help, gftpui_common_request_none,
         N_("Shows this help screen"), NULL},
        {N_("lcd"),     3, gftpui_common_cmd_chdir, gftpui_common_request_local,
         N_("Changes the local working directory"), NULL},
        {N_("lchdir"),  4, gftpui_common_cmd_chdir, gftpui_common_request_local,
         N_("Changes the local working directory"), NULL},
        {N_("lchmod"),  4, gftpui_common_cmd_chmod,     gftpui_common_request_local,
         N_("Changes the permissions of a local file"), NULL},
        {N_("ldelete"), 2, gftpui_common_cmd_delete,    gftpui_common_request_local,
         N_("Removes a local file"), NULL},
        {N_("lls"),     2, gftpui_common_cmd_ls, gftpui_common_request_local,
         N_("Shows the directory listing for the current local directory"), NULL},
        {N_("lmkdir"),  2, gftpui_common_cmd_mkdir, gftpui_common_request_local,
         N_("Creates a local directory"), NULL},
        {N_("lpwd"),    2, gftpui_common_cmd_pwd, gftpui_common_request_local,
         N_("Show current local directory"), NULL},
        {N_("lrename"), 3, gftpui_common_cmd_rename, gftpui_common_request_local,
         N_("Rename a local file"), NULL},
        {N_("lrmdir"),  3, gftpui_common_cmd_rmdir, gftpui_common_request_local,
         N_("Remove a local directory"), NULL},
        {N_("ls"),      2, gftpui_common_cmd_ls, gftpui_common_request_remote,
         N_("Shows the directory listing for the current remote directory"), NULL},
        {N_("mget"),    2, gftpui_common_cmd_mget_file, gftpui_common_request_remote,
         N_("Downloads remote file(s)"), NULL},
        {N_("mkdir"),   2, gftpui_common_cmd_mkdir, gftpui_common_request_remote,
         N_("Creates a remote directory"), NULL},
        {N_("mput"),    2, gftpui_common_cmd_mput_file, gftpui_common_request_remote,
         N_("Uploads local file(s)"), NULL},
        {N_("open"),    1, gftpui_common_cmd_open, gftpui_common_request_remote,