static void
exec_extension_view (char *cmd, const vfs_path_t * filename_vpath, int start_line,
vfs_path_t * temp_file_name_vpath)
{
int def_hex_mode = mcview_default_hex_mode, changed_hex_mode = 0;
int def_nroff_flag = mcview_default_nroff_flag, changed_nroff_flag = 0;
mcview_altered_hex_mode = 0;
mcview_altered_nroff_flag = 0;
if (def_hex_mode != mcview_default_hex_mode)
changed_hex_mode = 1;
if (def_nroff_flag != mcview_default_nroff_flag)
changed_nroff_flag = 1;
/* If we've written whitespace only, then just load filename
* into view
*/
if (written_nonspace)
{
mcview_viewer (cmd, filename_vpath, start_line);
mc_unlink (temp_file_name_vpath);
}
else
mcview_viewer (NULL, filename_vpath, start_line);
if (changed_hex_mode && !mcview_altered_hex_mode)
mcview_default_hex_mode = def_hex_mode;
if (changed_nroff_flag && !mcview_altered_nroff_flag)
mcview_default_nroff_flag = def_nroff_flag;
dialog_switch_process_pending ();
}
void
edit_symlink_cmd (void)
{
if (S_ISLNK (selection (current_panel)->st.st_mode))
{
char buffer[MC_MAXPATHLEN];
char *p = NULL;
int i;
char *q;
vfs_path_t *p_vpath;
p = selection (current_panel)->fname;
p_vpath = vfs_path_from_str (p);
q = g_strdup_printf (_("Symlink '%s\' points to:"), str_trunc (p, 32));
i = readlink (p, buffer, MC_MAXPATHLEN - 1);
if (i > 0)
{
char *dest;
buffer[i] = 0;
dest =
input_expand_dialog (_("Edit symlink"), q, MC_HISTORY_FM_EDIT_LINK, buffer,
INPUT_COMPLETE_FILENAMES);
if (dest)
{
if (*dest && strcmp (buffer, dest))
{
save_cwds_stat ();
if (mc_unlink (p_vpath) == -1)
{
message (D_ERROR, MSG_ERROR, _("edit symlink, unable to remove %s: %s"),
p, unix_error_string (errno));
}
else
{
vfs_path_t *dest_vpath;
dest_vpath = vfs_path_from_str_flags (dest, VPF_NO_CANON);
if (mc_symlink (dest_vpath, p_vpath) == -1)
message (D_ERROR, MSG_ERROR, _("edit symlink: %s"),
unix_error_string (errno));
vfs_path_free (dest_vpath);
}
update_panels (UP_OPTIMIZE, UP_KEEPSEL);
repaint_screen ();
}
g_free (dest);
}
}
g_free (q);
vfs_path_free (p_vpath);
}
else
{
message (D_ERROR, MSG_ERROR, _("'%s' is not a symbolic link"),
selection (current_panel)->fname);
}
}
static void
exec_cleanup_script (vfs_path_t * script_vpath)
{
if (script_vpath != NULL)
{
(void) mc_unlink (script_vpath);
vfs_path_free (script_vpath);
}
}
static void
mcview_remove_ext_script (mcview_t * view)
{
if (view->ext_script != NULL)
{
mc_unlink (view->ext_script);
vfs_path_free (view->ext_script);
view->ext_script = NULL;
}
}
void
edit_symlink_cmd (void)
{
if (S_ISLNK (selection (current_panel)->st.st_mode))
{
char buffer[MC_MAXPATHLEN];
char *p = NULL;
int i;
char *dest, *q;
p = selection (current_panel)->fname;
q = g_strdup_printf (_("Symlink `%s\' points to:"), str_trunc (p, 32));
i = readlink (p, buffer, MC_MAXPATHLEN - 1);
if (i > 0)
{
buffer[i] = 0;
dest = input_expand_dialog (_("Edit symlink"), q, MC_HISTORY_FM_EDIT_LINK, buffer);
if (dest)
{
if (*dest && strcmp (buffer, dest))
{
save_cwds_stat ();
if (-1 == mc_unlink (p))
{
message (D_ERROR, MSG_ERROR, _("edit symlink, unable to remove %s: %s"),
p, unix_error_string (errno));
}
else
{
if (-1 == mc_symlink (dest, p))
message (D_ERROR, MSG_ERROR, _("edit symlink: %s"),
unix_error_string (errno));
}
update_panels (UP_OPTIMIZE, UP_KEEPSEL);
repaint_screen ();
}
g_free (dest);
}
}
g_free (q);
}
else
{
message (D_ERROR, MSG_ERROR, _("`%s' is not a symbolic link"),
selection (current_panel)->fname);
}
}
gboolean
mc_util_unlink_backup_if_possible (const char *file_name, const char *backup_suffix)
{
char *backup_path;
backup_path = g_strdup_printf ("%s%s", file_name, backup_suffix);
if (backup_path == NULL)
return FALSE;
if (exist_file (backup_path))
mc_unlink (backup_path);
g_free (backup_path);
return TRUE;
}
static void
execute_menu_command (WEdit * edit_widget, const char *commands, gboolean show_prompt)
{
FILE *cmd_file;
int cmd_file_fd;
int expand_prefix_found = 0;
char *parameter = 0;
gboolean do_quote = FALSE;
char lc_prompt[80];
int col;
vfs_path_t *file_name_vpath;
int run_view = 0;
/* Skip menu entry title line */
commands = strchr (commands, '\n');
if (!commands)
{
return;
}
cmd_file_fd = mc_mkstemps (&file_name_vpath, "mcusr", SCRIPT_SUFFIX);
if (cmd_file_fd == -1)
{
message (D_ERROR, MSG_ERROR, _("Cannot create temporary command file\n%s"),
unix_error_string (errno));
vfs_path_free (file_name_vpath);
return;
}
cmd_file = fdopen (cmd_file_fd, "w");
fputs ("#! /bin/sh\n", cmd_file);
commands++;
for (col = 0; *commands; commands++)
{
if (col == 0)
{
if (*commands != ' ' && *commands != '\t')
break;
while (*commands == ' ' || *commands == '\t')
commands++;
if (*commands == 0)
break;
}
col++;
if (*commands == '\n')
col = 0;
if (parameter)
{
if (*commands == '}')
{
*parameter = 0;
parameter =
input_dialog (_("Parameter"), lc_prompt, MC_HISTORY_FM_MENU_EXEC_PARAM, "",
INPUT_COMPLETE_FILENAMES | INPUT_COMPLETE_CD |
INPUT_COMPLETE_HOSTNAMES | INPUT_COMPLETE_VARIABLES |
INPUT_COMPLETE_USERNAMES);
if (!parameter || !*parameter)
{
/* User canceled */
fclose (cmd_file);
mc_unlink (file_name_vpath);
vfs_path_free (file_name_vpath);
return;
}
if (do_quote)
{
char *tmp;
tmp = name_quote (parameter, 0);
fputs (tmp, cmd_file);
g_free (tmp);
}
else
fputs (parameter, cmd_file);
g_free (parameter);
parameter = 0;
}
else
{
if (parameter < &lc_prompt[sizeof (lc_prompt) - 1])
{
*parameter++ = *commands;
}
}
}
else if (expand_prefix_found)
{
expand_prefix_found = 0;
if (g_ascii_isdigit ((gchar) * commands))
{
do_quote = (atoi (commands) != 0);
while (g_ascii_isdigit ((gchar) * commands))
commands++;
}
if (*commands == '{')
parameter = lc_prompt;
else
{
char *text = expand_format (edit_widget, *commands, do_quote);
fputs (text, cmd_file);
g_free (text);
}
}
else
{
if (*commands == '%')
{
int i = check_format_view (commands + 1);
if (i)
{
commands += i;
run_view = 1;
}
else
{
do_quote = TRUE; /* Default: Quote expanded macro */
expand_prefix_found = 1;
}
}
else
fputc (*commands, cmd_file);
}
}
fclose (cmd_file);
mc_chmod (file_name_vpath, S_IRWXU);
if (run_view)
{
mcview_viewer (vfs_path_as_str (file_name_vpath), NULL, 0);
dialog_switch_process_pending ();
}
else
{
/* execute the command indirectly to allow execution even
* on no-exec filesystems. */
char *cmd;
cmd = g_strconcat ("/bin/sh ", vfs_path_as_str (file_name_vpath), (char *) NULL);
if (!show_prompt)
{
if (system (cmd) == -1)
message (D_ERROR, MSG_ERROR, "%s", _("Error calling program"));
}
else
{
shell_execute (cmd, EXECUTE_HIDE);
}
g_free (cmd);
}
mc_unlink (file_name_vpath);
vfs_path_free (file_name_vpath);
}
static void
exec_extension (const vfs_path_t * filename_vpath, const char *lc_data, int start_line)
{
char *shell_string, *export_variables;
vfs_path_t *temp_file_name_vpath = NULL;
int cmd_file_fd;
FILE *cmd_file;
char *cmd = NULL;
g_return_if_fail (lc_data != NULL);
pbuffer = NULL;
localmtime = 0;
quote_func = name_quote;
run_view = FALSE;
is_cd = FALSE;
written_nonspace = FALSE;
/* Avoid making a local copy if we are doing a cd */
do_local_copy = !vfs_file_is_local (filename_vpath);
shell_string = exec_make_shell_string (lc_data, filename_vpath);
if (shell_string == NULL)
goto ret;
if (is_cd)
{
exec_extension_cd ();
g_free (shell_string);
goto ret;
}
/*
* All commands should be run in /bin/sh regardless of user shell.
* To do that, create temporary shell script and run it.
* Sometimes it's not needed (e.g. for %cd and %view commands),
* but it's easier to create it anyway.
*/
cmd_file_fd = mc_mkstemps (&temp_file_name_vpath, "mcext", SCRIPT_SUFFIX);
if (cmd_file_fd == -1)
{
message (D_ERROR, MSG_ERROR,
_("Cannot create temporary command file\n%s"), unix_error_string (errno));
goto ret;
}
cmd_file = fdopen (cmd_file_fd, "w");
fputs ("#! /bin/sh\n\n", cmd_file);
export_variables = exec_get_export_variables (filename_vpath);
if (export_variables != NULL)
{
fprintf (cmd_file, "%s\n", export_variables);
g_free (export_variables);
}
fputs (shell_string, cmd_file);
g_free (shell_string);
/*
* Make the script remove itself when it finishes.
* Don't do it for the viewer - it may need to rerun the script,
* so we clean up after calling view().
*/
if (!run_view)
{
char *file_name;
file_name = vfs_path_to_str (temp_file_name_vpath);
fprintf (cmd_file, "\n/bin/rm -f %s\n", file_name);
g_free (file_name);
}
fclose (cmd_file);
if ((run_view && !written_nonspace) || is_cd)
{
mc_unlink (temp_file_name_vpath);
vfs_path_free (temp_file_name_vpath);
temp_file_name_vpath = NULL;
}
else
{
char *file_name;
file_name = vfs_path_to_str (temp_file_name_vpath);
/* Set executable flag on the command file ... */
mc_chmod (temp_file_name_vpath, S_IRWXU);
/* ... but don't rely on it - run /bin/sh explicitly */
cmd = g_strconcat ("/bin/sh ", file_name, (char *) NULL);
g_free (file_name);
}
if (run_view)
exec_extension_view (cmd, filename_vpath, start_line, temp_file_name_vpath);
else
{
shell_execute (cmd, EXECUTE_INTERNAL);
if (mc_global.tty.console_flag != '\0')
{
handle_console (CONSOLE_SAVE);
if (output_lines && mc_global.keybar_visible)
show_console_contents (output_start_y,
LINES - mc_global.keybar_visible -
output_lines - 1, LINES - mc_global.keybar_visible - 1);
}
}
g_free (cmd);
exec_cleanup_file_name (filename_vpath, TRUE);
ret:
vfs_path_free (temp_file_name_vpath);
}
