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。

          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_("dir"),     3, gftpui_common_cmd_ls, gftpui_common_request_remote,
         N_("Shows the directory listing for the current remote directory"), 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_("ldir"),    4, gftpui_common_cmd_ls, gftpui_common_request_local,
         N_("Shows the directory listing for the current local directory"), 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,
         N_("Opens a connection to a remote site"), NULL},
        {N_("put"),     2, gftpui_common_cmd_mput_file, gftpui_common_request_remote,
         N_("Uploads local file(s)"), NULL},
        {N_("pwd"),     2, gftpui_common_cmd_pwd, gftpui_common_request_remote,
         N_("Show current remote directory"), NULL},
        {N_("quit"),    1, gftpui_common_cmd_quit, gftpui_common_request_none,
         N_("Exit from gFTP"), NULL},
        {N_("rename"),  2, gftpui_common_cmd_rename, gftpui_common_request_remote,
         N_("Rename a remote file"), NULL},
        {N_("rmdir"),   2, gftpui_common_cmd_rmdir, gftpui_common_request_remote,
         N_("Remove a remote directory"), NULL},
        {N_("set"),     1, gftpui_common_cmd_set, gftpui_common_request_none,
         N_("Show configuration file variables. You can also set variables by set var=val"),
         gftpui_common_set_show_subhelp},
        {N_("site"),    2, gftpui_common_cmd_site, gftpui_common_request_remote,
         N_("Run a site specific command"), NULL},
        {NULL,          0, NULL,                gftpui_common_request_none,
	 NULL, NULL}};


int
gftpui_common_process_command (void *locui, gftp_request * locreq,
                               void *remui, gftp_request * remreq,
                               const char *command)
{
  gftp_request * request, * other_request;
  void *uidata, *other_uidata;
  char *pos, *newstr;
  const char *stpos;
  size_t cmdlen;
  int ret, i;
  size_t len;

  for (stpos = command; *stpos == ' ' || *stpos == '\t'; stpos++);

  newstr = g_strdup (stpos);
  len = strlen (newstr);

  if (len > 0 && newstr[len - 1] == '\n')
    newstr[--len] = '\0';
  if (len > 0 && newstr[len - 1] == '\r')
    newstr[--len] = '\0';

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

  if (*stpos == '\0')
    {
      g_free (newstr);
      return (1);
    }

  if ((pos = strchr (newstr, ' ')) != NULL)
    *pos = '\0'; 

  cmdlen = strlen (newstr);
  for (i=0; gftpui_common_commands[i].command != NULL; i++)
    {
      if (strcmp (gftpui_common_commands[i].command, newstr) == 0)
        break;
      else if (cmdlen >= gftpui_common_commands[i].minlen &&
               strncmp (gftpui_common_commands[i].command, newstr, cmdlen) == 0)
        break; 
    }

  if (pos != NULL)
    pos++;
  else
    pos = "";
  
  if (gftpui_common_commands[i].reqtype == gftpui_common_request_local)
    {
      request = locreq;
      uidata = locui;

      other_request = remreq;
      other_uidata = remui;
    }
  else if (gftpui_common_commands[i].reqtype == gftpui_common_request_remote)
    {
      request = remreq;
      uidata = remui;

      other_request = locreq;
      other_uidata = locui;
    }
  else
    {
      request = other_request = NULL;
      uidata = other_uidata = NULL;
    }
 
  if (gftpui_common_commands[i].command != NULL)
    {
      ret = gftpui_common_commands[i].func (uidata, request,
                                            other_uidata, other_request, pos);

      if (request != NULL && !GFTP_IS_CONNECTED (request))
        gftpui_disconnect (uidata);
    }
  else
    {
      gftpui_common_logfunc (gftp_logging_error, request,
                             _("Error: Command not recognized\n"));
      ret = 1;
    }

  g_free (newstr);
  return (ret);
}


gftp_transfer *
gftpui_common_add_file_transfer (gftp_request * fromreq, gftp_request * toreq,
                                 void *fromuidata, void *touidata,
                                 GList * files)
{
  intptr_t append_transfers, one_transfer;
  GList * templist, *curfle;
  gftp_transfer * tdata;
  gftp_file * tempfle;
  int show_dialog;
  
  for (templist = files; templist != NULL; templist = templist->next)
    { 
      tempfle = templist->data;
      if (tempfle->startsize > 0)
        break;
    }
  show_dialog = templist != NULL;