int
invoke_subshell (const char *command, int how, vfs_path_t ** new_dir_vpath)
{
char *pcwd;
/* Make the MC terminal transparent */
tcsetattr (STDOUT_FILENO, TCSANOW, &raw_mode);
/* Make the subshell change to MC's working directory */
if (new_dir_vpath != NULL)
do_subshell_chdir (current_panel->cwd_vpath, TRUE, TRUE);
if (command == NULL) /* The user has done "C-o" from MC */
{
if (subshell_state == INACTIVE)
{
subshell_state = ACTIVE;
/* FIXME: possibly take out this hack; the user can
re-play it by hitting C-hyphen a few times! */
if (subshell_ready)
write_all (mc_global.tty.subshell_pty, " \b", 2); /* Hack to make prompt reappear */
}
}
else /* MC has passed us a user command */
{
if (how == QUIETLY)
write_all (mc_global.tty.subshell_pty, " ", 1);
/* FIXME: if command is long (>8KB ?) we go comma */
write_all (mc_global.tty.subshell_pty, command, strlen (command));
write_all (mc_global.tty.subshell_pty, "\n", 1);
subshell_state = RUNNING_COMMAND;
subshell_ready = FALSE;
}
feed_subshell (how, FALSE);
{
char *cwd_str;
cwd_str = vfs_path_to_str (current_panel->cwd_vpath);
pcwd = vfs_translate_path_n (cwd_str);
g_free (cwd_str);
}
if (new_dir_vpath != NULL && subshell_alive && strcmp (subshell_cwd, pcwd))
*new_dir_vpath = vfs_path_from_str (subshell_cwd); /* Make MC change to the subshell's CWD */
g_free (pcwd);
/* Restart the subshell if it has died by SIGHUP, SIGQUIT, etc. */
while (!subshell_alive && quit == 0 && mc_global.tty.use_subshell)
init_subshell ();
prompt_pos = 0;
return quit;
}
int
main (int argc, char *argv[])
{
GError *error = NULL;
int exit_code = EXIT_FAILURE;
/* We had LC_CTYPE before, LC_ALL includs LC_TYPE as well */
(void) setlocale (LC_ALL, "");
(void) bindtextdomain ("mc", LOCALEDIR);
(void) textdomain ("mc");
/* do this before args parsing */
str_init_strings (NULL);
if (!mc_args_parse (&argc, &argv, "mc", &error))
{
startup_exit_falure:
fprintf (stderr, _("Failed to run:\n%s\n"), error->message);
g_error_free (error);
g_free (shell);
startup_exit_ok:
str_uninit_strings ();
return exit_code;
}
/* do this before mc_args_show_info () to view paths in the --datadir-info output */
OS_Setup ();
if (!g_path_is_absolute (mc_config_get_home_dir ()))
{
error = g_error_new (MC_ERROR, 0, "%s: %s", _("Home directory path is not absolute"),
mc_config_get_home_dir ());
mc_event_deinit (NULL);
goto startup_exit_falure;
}
if (!mc_args_show_info ())
{
exit_code = EXIT_SUCCESS;
goto startup_exit_ok;
}
if (!events_init (&error))
goto startup_exit_falure;
mc_config_init_config_paths (&error);
if (error == NULL && mc_config_deprecated_dir_present ())
mc_config_migrate_from_old_place (&error);
if (error != NULL)
{
mc_event_deinit (NULL);
goto startup_exit_falure;
}
vfs_init ();
vfs_plugins_init ();
vfs_setup_work_dir ();
/* do this after vfs initialization due to mc_setctl() call in mc_setup_by_args() */
if (!mc_setup_by_args (argc, argv, &error))
{
vfs_shut ();
mc_event_deinit (NULL);
goto startup_exit_falure;
}
/* check terminal type
* $TEMR must be set and not empty
* mc_global.tty.xterm_flag is used in init_key() and tty_init()
* Do this after mc_args_handle() where mc_args__force_xterm is set up.
*/
mc_global.tty.xterm_flag = tty_check_term (mc_args__force_xterm);
/* NOTE: This has to be called before tty_init or whatever routine
calls any define_sequence */
init_key ();
/* Must be done before installing the SIGCHLD handler [[FIXME]] */
handle_console (CONSOLE_INIT);
#ifdef HAVE_SUBSHELL_SUPPORT
/* Don't use subshell when invoked as viewer or editor */
if (mc_global.mc_run_mode != MC_RUN_FULL)
mc_global.tty.use_subshell = FALSE;
if (mc_global.tty.use_subshell)
subshell_get_console_attributes ();
#endif /* HAVE_SUBSHELL_SUPPORT */
/* Install the SIGCHLD handler; must be done before init_subshell() */
init_sigchld ();
/* We need this, since ncurses endwin () doesn't restore the signals */
save_stop_handler ();
/* Must be done before init_subshell, to set up the terminal size: */
/* FIXME: Should be removed and LINES and COLS computed on subshell */
tty_init (!mc_args__nomouse, mc_global.tty.xterm_flag);
load_setup ();
/* start check mc_global.display_codepage and mc_global.source_codepage */
check_codeset ();
/* Removing this from the X code let's us type C-c */
load_key_defs ();
load_keymap_defs (!mc_args__nokeymap);
macros_list = g_array_new (TRUE, FALSE, sizeof (macros_t));
tty_init_colors (mc_global.tty.disable_colors, mc_args__force_colors);
mc_skin_init (&error);
if (error != NULL)
{
message (D_ERROR, _("Warning"), "%s", error->message);
g_error_free (error);
error = NULL;
}
mc_filehighlight = mc_fhl_new (TRUE);
dlg_set_default_colors ();
#ifdef HAVE_SUBSHELL_SUPPORT
/* Done here to ensure that the subshell doesn't */
/* inherit the file descriptors opened below, etc */
if (mc_global.tty.use_subshell)
init_subshell ();
#endif /* HAVE_SUBSHELL_SUPPORT */
/* Also done after init_subshell, to save any shell init file messages */
if (mc_global.tty.console_flag != '\0')
handle_console (CONSOLE_SAVE);
if (mc_global.tty.alternate_plus_minus)
application_keypad_mode ();
#ifdef HAVE_SUBSHELL_SUPPORT
if (mc_global.tty.use_subshell)
{
mc_prompt = strip_ctrl_codes (subshell_prompt);
if (mc_prompt == NULL)
mc_prompt = (geteuid () == 0) ? "# " : "$ ";
}
else
#endif /* HAVE_SUBSHELL_SUPPORT */
mc_prompt = (geteuid () == 0) ? "# " : "$ ";
/* Program main loop */
if (mc_global.midnight_shutdown)
exit_code = EXIT_SUCCESS;
else
exit_code = do_nc ()? EXIT_SUCCESS : EXIT_FAILURE;
/* Save the tree store */
(void) tree_store_save ();
free_keymap_defs ();
/* Virtual File System shutdown */
vfs_shut ();
flush_extension_file (); /* does only free memory */
mc_fhl_free (&mc_filehighlight);
mc_skin_deinit ();
tty_colors_done ();
tty_shutdown ();
done_setup ();
if (mc_global.tty.console_flag != '\0' && (quit & SUBSHELL_EXIT) == 0)
handle_console (CONSOLE_RESTORE);
if (mc_global.tty.alternate_plus_minus)
numeric_keypad_mode ();
(void) signal (SIGCHLD, SIG_DFL); /* Disable the SIGCHLD handler */
if (mc_global.tty.console_flag != '\0')
handle_console (CONSOLE_DONE);
if (mc_global.mc_run_mode == MC_RUN_FULL && mc_args__last_wd_file != NULL
&& last_wd_string != NULL && !print_last_revert)
{
int last_wd_fd;
last_wd_fd = open (mc_args__last_wd_file, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL,
S_IRUSR | S_IWUSR);
if (last_wd_fd != -1)
{
ssize_t ret1;
int ret2;
ret1 = write (last_wd_fd, last_wd_string, strlen (last_wd_string));
ret2 = close (last_wd_fd);
}
}
g_free (last_wd_string);
g_free (shell);
done_key ();
if (macros_list != NULL)
{
guint i;
macros_t *macros;
for (i = 0; i < macros_list->len; i++)
{
macros = &g_array_index (macros_list, struct macros_t, i);
if (macros != NULL && macros->macro != NULL)
(void) g_array_free (macros->macro, FALSE);
}
(void) g_array_free (macros_list, TRUE);
}
int
main (int argc, char *argv[])
{
GError *mcerror = NULL;
gboolean config_migrated = FALSE;
char *config_migrate_msg;
int exit_code = EXIT_FAILURE;
mc_global.timer = mc_timer_new ();
/* We had LC_CTYPE before, LC_ALL includs LC_TYPE as well */
#ifdef HAVE_SETLOCALE
(void) setlocale (LC_ALL, "");
#endif
(void) bindtextdomain (PACKAGE, LOCALEDIR);
(void) textdomain (PACKAGE);
/* do this before args parsing */
str_init_strings (NULL);
if (!mc_args_parse (&argc, &argv, "mc", &mcerror))
{
startup_exit_falure:
fprintf (stderr, _("Failed to run:\n%s\n"), mcerror->message);
g_error_free (mcerror);
g_free (mc_global.tty.shell);
startup_exit_ok:
str_uninit_strings ();
mc_timer_destroy (mc_global.timer);
return exit_code;
}
/* do this before mc_args_show_info () to view paths in the --datadir-info output */
OS_Setup ();
if (!g_path_is_absolute (mc_config_get_home_dir ()))
{
mc_propagate_error (&mcerror, 0, "%s: %s", _("Home directory path is not absolute"),
mc_config_get_home_dir ());
mc_event_deinit (NULL);
goto startup_exit_falure;
}
if (!mc_args_show_info ())
{
exit_code = EXIT_SUCCESS;
goto startup_exit_ok;
}
if (!events_init (&mcerror))
goto startup_exit_falure;
mc_config_init_config_paths (&mcerror);
config_migrated = mc_config_migrate_from_old_place (&mcerror, &config_migrate_msg);
if (mcerror != NULL)
{
mc_event_deinit (NULL);
goto startup_exit_falure;
}
vfs_init ();
vfs_plugins_init ();
load_setup ();
/* Must be done after load_setup because depends on mc_global.vfs.cd_symlinks */
vfs_setup_work_dir ();
/* Resolve the other_dir panel option. Must be done after vfs_setup_work_dir */
{
char *buffer;
vfs_path_t *vpath;
buffer = mc_config_get_string (mc_panels_config, "Dirs", "other_dir", ".");
vpath = vfs_path_from_str (buffer);
if (vfs_file_is_local (vpath))
saved_other_dir = buffer;
else
g_free (buffer);
vfs_path_free (vpath);
}
/* Set up temporary directory after VFS initialization */
mc_tmpdir ();
/* do this after vfs initialization and vfs working directory setup
due to mc_setctl() and mcedit_arg_vpath_new() calls in mc_setup_by_args() */
if (!mc_setup_by_args (argc, argv, &mcerror))
{
vfs_shut ();
done_setup ();
g_free (saved_other_dir);
mc_event_deinit (NULL);
goto startup_exit_falure;
}
/* check terminal type
* $TEMR must be set and not empty
* mc_global.tty.xterm_flag is used in init_key() and tty_init()
* Do this after mc_args_handle() where mc_args__force_xterm is set up.
*/
mc_global.tty.xterm_flag = tty_check_term (mc_args__force_xterm);
/* NOTE: This has to be called before tty_init or whatever routine
calls any define_sequence */
init_key ();
/* Must be done before installing the SIGCHLD handler [[FIXME]] */
handle_console (CONSOLE_INIT);
#ifdef ENABLE_SUBSHELL
/* Don't use subshell when invoked as viewer or editor */
if (mc_global.mc_run_mode != MC_RUN_FULL)
mc_global.tty.use_subshell = FALSE;
if (mc_global.tty.use_subshell)
subshell_get_console_attributes ();
#endif /* ENABLE_SUBSHELL */
/* Install the SIGCHLD handler; must be done before init_subshell() */
init_sigchld ();
/* We need this, since ncurses endwin () doesn't restore the signals */
save_stop_handler ();
/* Must be done before init_subshell, to set up the terminal size: */
/* FIXME: Should be removed and LINES and COLS computed on subshell */
tty_init (!mc_args__nomouse, mc_global.tty.xterm_flag);
/* start check mc_global.display_codepage and mc_global.source_codepage */
check_codeset ();
/* Removing this from the X code let's us type C-c */
load_key_defs ();
load_keymap_defs (!mc_args__nokeymap);
macros_list = g_array_new (TRUE, FALSE, sizeof (macros_t));
tty_init_colors (mc_global.tty.disable_colors, mc_args__force_colors);
mc_skin_init (NULL, &mcerror);
dlg_set_default_colors ();
input_set_default_colors ();
if (mc_global.mc_run_mode == MC_RUN_FULL)
command_set_default_colors ();
mc_error_message (&mcerror);
#ifdef ENABLE_SUBSHELL
/* Done here to ensure that the subshell doesn't */
/* inherit the file descriptors opened below, etc */
if (mc_global.tty.use_subshell)
init_subshell ();
#endif /* ENABLE_SUBSHELL */
/* Also done after init_subshell, to save any shell init file messages */
if (mc_global.tty.console_flag != '\0')
handle_console (CONSOLE_SAVE);
if (mc_global.tty.alternate_plus_minus)
application_keypad_mode ();
/* Done after subshell initialization to allow select and paste text by mouse
w/o Shift button in subshell in the native console */
init_mouse ();
/* Done after do_enter_ca_mode (tty_init) because in VTE bracketed mode is
separate for the normal and alternate screens */
enable_bracketed_paste ();
/* subshell_prompt is NULL here */
mc_prompt = (geteuid () == 0) ? "# " : "$ ";
if (config_migrated)
{
message (D_ERROR, _("Warning"), "%s", config_migrate_msg);
g_free (config_migrate_msg);
}
/* Program main loop */
if (mc_global.midnight_shutdown)
exit_code = EXIT_SUCCESS;
else
exit_code = do_nc ()? EXIT_SUCCESS : EXIT_FAILURE;
/* Save the tree store */
(void) tree_store_save ();
free_keymap_defs ();
/* Virtual File System shutdown */
vfs_shut ();
flush_extension_file (); /* does only free memory */
mc_skin_deinit ();
tty_colors_done ();
tty_shutdown ();
done_setup ();
if (mc_global.tty.console_flag != '\0' && (quit & SUBSHELL_EXIT) == 0)
handle_console (CONSOLE_RESTORE);
if (mc_global.tty.alternate_plus_minus)
numeric_keypad_mode ();
(void) signal (SIGCHLD, SIG_DFL); /* Disable the SIGCHLD handler */
if (mc_global.tty.console_flag != '\0')
handle_console (CONSOLE_DONE);
if (mc_global.mc_run_mode == MC_RUN_FULL && mc_args__last_wd_file != NULL
&& last_wd_string != NULL && !print_last_revert)
{
int last_wd_fd;
last_wd_fd = open (mc_args__last_wd_file, O_WRONLY | O_CREAT | O_TRUNC | O_EXCL,
S_IRUSR | S_IWUSR);
if (last_wd_fd != -1)
{
ssize_t ret1;
int ret2;
ret1 = write (last_wd_fd, last_wd_string, strlen (last_wd_string));
ret2 = close (last_wd_fd);
(void) ret1;
(void) ret2;
}
}
g_free (last_wd_string);
g_free (mc_global.tty.shell);
done_key ();
if (macros_list != NULL)
{
guint i;
for (i = 0; i < macros_list->len; i++)
{
macros_t *macros;
macros = &g_array_index (macros_list, struct macros_t, i);
if (macros != NULL && macros->macro != NULL)
(void) g_array_free (macros->macro, FALSE);
}
(void) g_array_free (macros_list, TRUE);
}
static cb_ret_t
enter (WInput * lc_cmdline)
{
char *cmd = lc_cmdline->buffer;
if (!command_prompt)
return MSG_HANDLED;
/* Any initial whitespace should be removed at this point */
while (*cmd == ' ' || *cmd == '\t' || *cmd == '\n')
cmd++;
if (!*cmd)
return MSG_HANDLED;
if (strncmp (cmd, "cd ", 3) == 0 || strcmp (cmd, "cd") == 0)
{
do_cd_command (cmd);
input_clean (lc_cmdline);
return MSG_HANDLED;
}
else if (strcmp (cmd, "exit") == 0)
{
input_assign_text (lc_cmdline, "");
if (!quiet_quit_cmd ())
return MSG_NOT_HANDLED;
}
else
{
GString *command;
size_t i;
if (!vfs_current_is_local ())
{
message (D_ERROR, MSG_ERROR, _("Cannot execute commands on non-local filesystems"));
return MSG_NOT_HANDLED;
}
#ifdef ENABLE_SUBSHELL
/* Check this early before we clean command line
* (will be checked again by shell_execute) */
if (mc_global.tty.use_subshell && subshell_state != INACTIVE)
{
message (D_ERROR, MSG_ERROR, _("The shell is already running a command"));
return MSG_NOT_HANDLED;
}
#endif
command = g_string_sized_new (32);
for (i = 0; cmd[i] != '\0'; i++)
{
if (cmd[i] != '%')
g_string_append_c (command, cmd[i]);
else
{
char *s;
s = expand_format (NULL, cmd[++i], TRUE);
g_string_append (command, s);
g_free (s);
}
}
input_clean (lc_cmdline);
shell_execute (command->str, 0);
g_string_free (command, TRUE);
#ifdef ENABLE_SUBSHELL
if ((quit & SUBSHELL_EXIT) != 0)
{
if (quiet_quit_cmd ())
return MSG_HANDLED;
quit = 0;
/* restart subshell */
if (mc_global.tty.use_subshell)
init_subshell ();
}
if (mc_global.tty.use_subshell)
do_load_prompt ();
#endif
}
return MSG_HANDLED;
}
void
toggle_panels (void)
{
#ifdef ENABLE_SUBSHELL
vfs_path_t *new_dir_vpath = NULL;
#endif /* ENABLE_SUBSHELL */
SIG_ATOMIC_VOLATILE_T was_sigwinch = 0;
channels_down ();
disable_mouse ();
disable_bracketed_paste ();
if (clear_before_exec)
clr_scr ();
if (mc_global.tty.alternate_plus_minus)
numeric_keypad_mode ();
#ifndef HAVE_SLANG
/* With slang we don't want any of this, since there
* is no raw_mode supported
*/
tty_reset_shell_mode ();
#endif /* !HAVE_SLANG */
tty_noecho ();
tty_keypad (FALSE);
tty_reset_screen ();
do_exit_ca_mode ();
tty_raw_mode ();
if (mc_global.tty.console_flag != '\0')
handle_console (CONSOLE_RESTORE);
#ifdef ENABLE_SUBSHELL
if (mc_global.tty.use_subshell)
{
vfs_path_t **new_dir_p;
new_dir_p = vfs_current_is_local ()? &new_dir_vpath : NULL;
invoke_subshell (NULL, VISIBLY, new_dir_p);
}
else
#endif /* ENABLE_SUBSHELL */
{
if (output_starts_shell)
{
fprintf (stderr, _("Type 'exit' to return to the Midnight Commander"));
fprintf (stderr, "\n\r\n\r");
my_system (EXECUTE_INTERNAL, mc_global.tty.shell, NULL);
}
else
get_key_code (0);
}
if (mc_global.tty.console_flag != '\0')
handle_console (CONSOLE_SAVE);
do_enter_ca_mode ();
tty_reset_prog_mode ();
tty_keypad (TRUE);
/* Prevent screen flash when user did 'exit' or 'logout' within
subshell */
if ((quit & SUBSHELL_EXIT) != 0)
{
/* User did 'exit' or 'logout': quit MC */
if (quiet_quit_cmd ())
return;
quit = 0;
#ifdef ENABLE_SUBSHELL
/* restart subshell */
if (mc_global.tty.use_subshell)
init_subshell ();
#endif /* ENABLE_SUBSHELL */
}
enable_mouse ();
enable_bracketed_paste ();
channels_up ();
if (mc_global.tty.alternate_plus_minus)
application_keypad_mode ();
/* HACK:
* Save sigwinch flag that will be reset in mc_refresh() called via update_panels().
* There is some problem with screen redraw in ncurses-based mc in this situation.
*/
was_sigwinch = mc_global.tty.winch_flag;
mc_global.tty.winch_flag = 0;
#ifdef ENABLE_SUBSHELL
if (mc_global.tty.use_subshell)
{
do_load_prompt ();
if (new_dir_vpath != NULL)
do_possible_cd (new_dir_vpath);
if (mc_global.tty.console_flag != '\0' && output_lines)
show_console_contents (output_start_y,
LINES - mc_global.keybar_visible - output_lines -
1, LINES - mc_global.keybar_visible - 1);
}
vfs_path_free (new_dir_vpath);
#endif /* ENABLE_SUBSHELL */
if (mc_global.mc_run_mode == MC_RUN_FULL)
{
update_panels (UP_OPTIMIZE, UP_KEEPSEL);
update_xterm_title_path ();
}
if (was_sigwinch != 0 || mc_global.tty.winch_flag != 0)
dialog_change_screen_size ();
else
repaint_screen ();
}
