Exemplo n.º 1
0
Arquivo: execute.c Projeto: LubkaB/mc
static void
do_suspend_cmd (void)
{
    pre_exec ();

    if (mc_global.tty.console_flag != '\0' && !mc_global.tty.use_subshell)
        handle_console (CONSOLE_RESTORE);

#ifdef SIGTSTP
    {
        struct sigaction sigtstp_action;

        memset (&sigtstp_action, 0, sizeof (sigtstp_action));
        /* Make sure that the SIGTSTP below will suspend us directly,
           without calling ncurses' SIGTSTP handler; we *don't* want
           ncurses to redraw the screen immediately after the SIGCONT */
        sigaction (SIGTSTP, &startup_handler, &sigtstp_action);

        kill (getpid (), SIGTSTP);

        /* Restore previous SIGTSTP action */
        sigaction (SIGTSTP, &sigtstp_action, NULL);
    }
#endif /* SIGTSTP */

    if (mc_global.tty.console_flag != '\0' && !mc_global.tty.use_subshell)
        handle_console (CONSOLE_SAVE);

    edition_post_exec ();
}
Exemplo n.º 2
0
void
subshell_handle_cons_saver (void)
{
#ifdef __linux__
    int status;
    pid_t pid;

    pid = waitpid (cons_saver_pid, &status, WUNTRACED | WNOHANG);
    waitpid (cons_saver_pid, &status, WUNTRACED | WNOHANG);

    if (pid == cons_saver_pid)
    {

        if (WIFSTOPPED (status))
            /* Someone has stopped cons.saver - restart it */
            kill (pid, SIGCONT);
        else
        {
            /* cons.saver has died - disable console saving */
            handle_console (CONSOLE_DONE);
            mc_global.tty.console_flag = '\0';
        }

    }
#endif /* __linux__ */
}
Exemplo n.º 3
0
void
sigchld_handler (int sig)
{
    int status;
    pid_t pid;

    (void) sig;

    pid = waitpid (subshell_pid, &status, WUNTRACED | WNOHANG);

    if (pid == subshell_pid)
    {
        /* Figure out what has happened to the subshell */

        if (WIFSTOPPED (status))
        {
            if (WSTOPSIG (status) == SIGSTOP)
            {
                /* The subshell has received a SIGSTOP signal */
                subshell_stopped = TRUE;
            }
            else
            {
                /* The user has suspended the subshell.  Revive it */
                kill (subshell_pid, SIGCONT);
            }
        }
        else
        {
            /* The subshell has either exited normally or been killed */
            subshell_alive = FALSE;
            delete_select_channel (mc_global.tty.subshell_pty);
            if (WIFEXITED (status) && WEXITSTATUS (status) != FORK_FAILURE)
                quit |= SUBSHELL_EXIT;  /* Exited normally */
        }
    }
#ifdef __linux__
    pid = waitpid (cons_saver_pid, &status, WUNTRACED | WNOHANG);

    if (pid == cons_saver_pid)
    {

        if (WIFSTOPPED (status))
            /* Someone has stopped cons.saver - restart it */
            kill (pid, SIGCONT);
        else
        {
            /* cons.saver has died - disable confole saving */
            handle_console (CONSOLE_DONE);
            mc_global.tty.console_flag = '\0';
        }

    }
#endif /* __linux__ */

    /* If we got here, some other child exited; ignore it */
}
Exemplo n.º 4
0
Arquivo: main.c Projeto: BrEacK/mc
static void
sigchld_handler_no_subshell (int sig)
{
#ifdef __linux__
    int pid, status;

    if (!mc_global.tty.console_flag != '\0')
        return;

    /* COMMENT: if it were true that after the call to handle_console(..INIT)
       the value of mc_global.tty.console_flag never changed, we could simply not install
       this handler at all if (!mc_global.tty.console_flag && !mc_global.tty.use_subshell). */

    /* That comment is no longer true.  We need to wait() on a sigchld
       handler (that's at least what the tarfs code expects currently). */

    pid = waitpid (cons_saver_pid, &status, WUNTRACED | WNOHANG);

    if (pid == cons_saver_pid)
    {

        if (WIFSTOPPED (status))
        {
            /* Someone has stopped cons.saver - restart it */
            kill (pid, SIGCONT);
        }
        else
        {
            /* cons.saver has died - disable console saving */
            handle_console (CONSOLE_DONE);
            mc_global.tty.console_flag = '\0';
        }
    }
    /* If we got here, some other child exited; ignore it */
#endif /* __linux__ */

    (void) sig;
}
Exemplo n.º 5
0
static void
exec_extension (const char *filename, const char *data, int *move_dir,
		int start_line)
{
    char *file_name;
    int cmd_file_fd;
    FILE *cmd_file;
    char *cmd = NULL;
    int expand_prefix_found = 0;
    int parameter_found = 0;
    char prompt[80];
    int run_view = 0;
    int def_hex_mode = default_hex_mode, changed_hex_mode = 0;
    int def_nroff_flag = default_nroff_flag, changed_nroff_flag = 0;
    int written_nonspace = 0;
    int is_cd = 0;
    char buffer[1024];
    char *p = 0;
    char *localcopy = NULL;
    int do_local_copy;
    time_t localmtime = 0;
    struct stat mystat;
    quote_func_t quote_func = name_quote;

    g_return_if_fail (filename != NULL);
    g_return_if_fail (data != NULL);

    /* Avoid making a local copy if we are doing a cd */
    if (!vfs_file_is_local (filename))
	do_local_copy = 1;
    else
	do_local_copy = 0;

    /*
     * 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 (&file_name, "mcext", SCRIPT_SUFFIX);

    if (cmd_file_fd == -1) {
	message (1, MSG_ERROR,
		 _(" Cannot create temporary command file \n %s "),
		 unix_error_string (errno));
	return;
    }
    cmd_file = fdopen (cmd_file_fd, "w");
    fputs ("#! /bin/sh\n", cmd_file);

    prompt[0] = 0;
    for (; *data && *data != '\n'; data++) {
	if (parameter_found) {
	    if (*data == '}') {
		char *parameter;
		parameter_found = 0;
		parameter = input_dialog (_(" Parameter "), prompt, "");
		if (!parameter) {
		    /* User canceled */
		    fclose (cmd_file);
		    unlink (file_name);
		    if (localcopy) {
			mc_ungetlocalcopy (filename, localcopy, 0);
			g_free (localcopy);
		    }
		    g_free (file_name);
		    return;
		}
		fputs (parameter, cmd_file);
		written_nonspace = 1;
		g_free (parameter);
	    } else {
		size_t len = strlen (prompt);

		if (len < sizeof (prompt) - 1) {
		    prompt[len] = *data;
		    prompt[len + 1] = 0;
		}
	    }
	} else if (expand_prefix_found) {
	    expand_prefix_found = 0;
	    if (*data == '{')
		parameter_found = 1;
	    else {
		int i = check_format_view (data);
		char *v;

		if (i) {
		    data += i - 1;
		    run_view = 1;
		} else if ((i = check_format_cd (data)) > 0) {
		    is_cd = 1;
		    quote_func = fake_name_quote;
		    do_local_copy = 0;
		    p = buffer;
		    data += i - 1;
		} else if ((i = check_format_var (data, &v)) > 0 && v) {
		    fputs (v, cmd_file);
		    g_free (v);
		    data += i;
		} else {
		    char *text;

		    if (*data == 'f') {
			if (do_local_copy) {
			    localcopy = mc_getlocalcopy (filename);
			    if (localcopy == NULL) {
				fclose (cmd_file);
				unlink (file_name);
				g_free (file_name);
				return;
			    }
			    mc_stat (localcopy, &mystat);
			    localmtime = mystat.st_mtime;
			    text = (*quote_func) (localcopy, 0);
			} else {
			    text = (*quote_func) (filename, 0);
			}
		    } else
			text = expand_format (NULL, *data, !is_cd);
		    if (!is_cd)
			fputs (text, cmd_file);
		    else {
			strcpy (p, text);
			p = strchr (p, 0);
		    }
		    g_free (text);
		    written_nonspace = 1;
		}
	    }
	} else {
	    if (*data == '%')
		expand_prefix_found = 1;
	    else {
		if (*data != ' ' && *data != '\t')
		    written_nonspace = 1;
		if (is_cd)
		    *(p++) = *data;
		else
		    fputc (*data, cmd_file);
	    }
	}
    }				/* for */

    /*
     * 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) {
	fprintf (cmd_file, "\n/bin/rm -f %s\n", file_name);
    }

    fclose (cmd_file);

    if ((run_view && !written_nonspace) || is_cd) {
	unlink (file_name);
	g_free (file_name);
	file_name = NULL;
    } else {
	/* Set executable flag on the command file ... */
	chmod (file_name, S_IRWXU);
	/* ... but don't rely on it - run /bin/sh explicitly */
	cmd = g_strconcat ("/bin/sh ", file_name, (char *) NULL);
    }

    if (run_view) {
	altered_hex_mode = 0;
	altered_nroff_flag = 0;
	if (def_hex_mode != default_hex_mode)
	    changed_hex_mode = 1;
	if (def_nroff_flag != default_nroff_flag)
	    changed_nroff_flag = 1;

	/* If we've written whitespace only, then just load filename
	 * into view
	 */
	if (written_nonspace) {
	    view (cmd, filename, move_dir, start_line);
	    unlink (file_name);
	} else {
	    view (0, filename, move_dir, start_line);
	}
	if (changed_hex_mode && !altered_hex_mode)
	    default_hex_mode = def_hex_mode;
	if (changed_nroff_flag && !altered_nroff_flag)
	    default_nroff_flag = def_nroff_flag;
	repaint_screen ();
    } else if (is_cd) {
	char *q;
	*p = 0;
	p = buffer;
/*	while (*p == ' ' && *p == '\t')
 *	    p++;
 */
	/* Search last non-space character. Start search at the end in order
	   not to short filenames containing spaces. */
	q = p + strlen (p) - 1;
	while (q >= p && (*q == ' ' || *q == '\t'))
	    q--;
	q[1] = 0;
	do_cd (p, cd_parse_command);
    } else {
	shell_execute (cmd, EXECUTE_INTERNAL);
	if (console_flag) {
	    handle_console (CONSOLE_SAVE);
	    if (output_lines && keybar_visible) {
		show_console_contents (output_start_y,
				       LINES - keybar_visible -
				       output_lines - 1,
				       LINES - keybar_visible - 1);

	    }
	}
    }

    g_free (file_name);
    g_free (cmd);

    if (localcopy) {
	mc_stat (localcopy, &mystat);
	mc_ungetlocalcopy (filename, localcopy,
			   localmtime != mystat.st_mtime);
	g_free (localcopy);
    }
}
Exemplo n.º 6
0
Arquivo: main.c Projeto: BrEacK/mc
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);
    }
Exemplo n.º 7
0
Arquivo: ext.c Projeto: inso/mc
static vfs_path_t *
exec_extension (void *target, const vfs_path_t * filename_vpath, const char *lc_data,
                int start_line)
{
    char *shell_string, *export_variables;
    vfs_path_t *script_vpath = NULL;
    int cmd_file_fd;
    FILE *cmd_file;
    char *cmd = NULL;

    g_return_val_if_fail (lc_data != NULL, 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 (&script_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)
        fprintf (cmd_file, "\n/bin/rm -f %s\n", vfs_path_as_str (script_vpath));

    fclose (cmd_file);

    if ((run_view && !written_nonspace) || is_cd)
    {
        exec_cleanup_script (script_vpath);
        script_vpath = NULL;
    }
    else
    {
        /* Set executable flag on the command file ... */
        mc_chmod (script_vpath, S_IRWXU);
        /* ... but don't rely on it - run /bin/sh explicitly */
        cmd = g_strconcat ("/bin/sh ", vfs_path_as_str (script_vpath), (char *) NULL);
    }

    if (run_view)
    {
        /* If we've written whitespace only, then just load filename into view */
        if (!written_nonspace)
            exec_extension_view (target, NULL, filename_vpath, start_line);
        else
            exec_extension_view (target, cmd, filename_vpath, start_line);
    }
    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:
    return script_vpath;
}
Exemplo n.º 8
0
Arquivo: main.c Projeto: V07D/mc
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);
    }
Exemplo n.º 9
0
Arquivo: execute.c Projeto: LubkaB/mc
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 ();
}
Exemplo n.º 10
0
Arquivo: execute.c Projeto: LubkaB/mc
void
do_executev (const char *shell, int flags, char *const argv[])
{
#ifdef ENABLE_SUBSHELL
    vfs_path_t *new_dir_vpath = NULL;
#endif /* ENABLE_SUBSHELL */

    vfs_path_t *old_vfs_dir_vpath = NULL;

    if (!vfs_current_is_local ())
        old_vfs_dir_vpath = vfs_path_clone (vfs_get_raw_current_dir ());

    if (mc_global.mc_run_mode == MC_RUN_FULL)
        save_cwds_stat ();
    pre_exec ();
    if (mc_global.tty.console_flag != '\0')
        handle_console (CONSOLE_RESTORE);

    if (!mc_global.tty.use_subshell && *argv != NULL && (flags & EXECUTE_INTERNAL) == 0)
    {
        printf ("%s%s\n", mc_prompt, *argv);
        fflush (stdout);
    }
#ifdef ENABLE_SUBSHELL
    if (mc_global.tty.use_subshell && (flags & EXECUTE_INTERNAL) == 0)
    {
        do_update_prompt ();

        /* We don't care if it died, higher level takes care of this */
        invoke_subshell (*argv, VISIBLY, old_vfs_dir_vpath != NULL ? NULL : &new_dir_vpath);
    }
    else
#endif /* ENABLE_SUBSHELL */
        my_systemv_flags (flags, shell, argv);

    if ((flags & EXECUTE_INTERNAL) == 0)
    {
        if ((pause_after_run == pause_always
             || (pause_after_run == pause_on_dumb_terminals && !mc_global.tty.xterm_flag
                 && mc_global.tty.console_flag == '\0')) && quit == 0
#ifdef ENABLE_SUBSHELL
            && subshell_state != RUNNING_COMMAND
#endif /* ENABLE_SUBSHELL */
            )
        {
            printf (_("Press any key to continue..."));
            fflush (stdout);
            tty_raw_mode ();
            get_key_code (0);
            printf ("\r\n");
            fflush (stdout);
        }
        if (mc_global.tty.console_flag != '\0' && output_lines != 0 && mc_global.keybar_visible)
        {
            putchar ('\n');
            fflush (stdout);
        }
    }

    if (mc_global.tty.console_flag != '\0')
        handle_console (CONSOLE_SAVE);
    edition_post_exec ();

#ifdef ENABLE_SUBSHELL
    if (new_dir_vpath != NULL)
    {
        do_possible_cd (new_dir_vpath);
        vfs_path_free (new_dir_vpath);
    }

#endif /* ENABLE_SUBSHELL */

    if (old_vfs_dir_vpath != NULL)
    {
        mc_chdir (old_vfs_dir_vpath);
        vfs_path_free (old_vfs_dir_vpath);
    }

    if (mc_global.mc_run_mode == MC_RUN_FULL)
    {
        update_panels (UP_OPTIMIZE, UP_KEEPSEL);
        update_xterm_title_path ();
    }

    do_refresh ();
    use_dash (TRUE);
}
Exemplo n.º 11
0
static void
do_execute (const char *shell, const char *command, int flags)
{
#ifdef HAVE_SUBSHELL_SUPPORT
    char *new_dir = NULL;
#endif				/* HAVE_SUBSHELL_SUPPORT */

#ifdef USE_VFS
    char *old_vfs_dir = 0;

    if (!vfs_current_is_local ())
	old_vfs_dir = g_strdup (vfs_get_current_dir ());
#endif				/* USE_VFS */

    save_cwds_stat ();
    pre_exec ();
    if (console_flag)
	handle_console (CONSOLE_RESTORE);

    if (!use_subshell && command && !(flags & EXECUTE_INTERNAL)) {
	printf ("%s%s\n", prompt, command);
    }
#ifdef HAVE_SUBSHELL_SUPPORT
    if (use_subshell && !(flags & EXECUTE_INTERNAL)) {
	do_update_prompt ();

	/* We don't care if it died, higher level takes care of this */
#ifdef USE_VFS
	invoke_subshell (command, VISIBLY, old_vfs_dir ? 0 : &new_dir);
#else
	invoke_subshell (command, VISIBLY, &new_dir);
#endif				/* !USE_VFS */
    } else
#endif				/* HAVE_SUBSHELL_SUPPORT */
	my_system (flags, shell, command);

    if (!(flags & EXECUTE_INTERNAL)) {
	if ((pause_after_run == pause_always
	     || (pause_after_run == pause_on_dumb_terminals && !xterm_flag
		 && !console_flag)) && !quit
#ifdef HAVE_SUBSHELL_SUPPORT
	    && subshell_state != RUNNING_COMMAND
#endif				/* HAVE_SUBSHELL_SUPPORT */
	    ) {
	    printf (_("Press any key to continue..."));
	    fflush (stdout);
	    mc_raw_mode ();
	    get_key_code (0);
	    printf ("\r\n");
	    fflush (stdout);
	}
	if (console_flag) {
	    if (output_lines && keybar_visible) {
		putchar ('\n');
		fflush (stdout);
	    }
	}
    }

    if (console_flag)
	handle_console (CONSOLE_SAVE);
    edition_post_exec ();

#ifdef HAVE_SUBSHELL_SUPPORT
    if (new_dir)
	do_possible_cd (new_dir);

#endif				/* HAVE_SUBSHELL_SUPPORT */

#ifdef USE_VFS
    if (old_vfs_dir) {
	mc_chdir (old_vfs_dir);
	g_free (old_vfs_dir);
    }
#endif				/* USE_VFS */

    update_panels (UP_OPTIMIZE, UP_KEEPSEL);
    update_xterm_title_path ();

    do_refresh ();
    use_dash (TRUE);
}
Exemplo n.º 12
0
void
toggle_panels (void)
{
#ifdef HAVE_SUBSHELL_SUPPORT
    char *new_dir = NULL;
    char **new_dir_p;
#endif				/* HAVE_SUBSHELL_SUPPORT */

    channels_down ();
    disable_mouse ();
    if (clear_before_exec)
	clr_scr ();
    if (alternate_plus_minus)
	numeric_keypad_mode ();
#ifndef HAVE_SLANG
    /* With slang we don't want any of this, since there
     * is no mc_raw_mode supported
     */
    reset_shell_mode ();
    noecho ();
#endif				/* !HAVE_SLANG */
    keypad (stdscr, FALSE);
    endwin ();
    do_exit_ca_mode ();
    mc_raw_mode ();
    if (console_flag)
	handle_console (CONSOLE_RESTORE);

#ifdef HAVE_SUBSHELL_SUPPORT
    if (use_subshell) {
	new_dir_p = vfs_current_is_local ()? &new_dir : NULL;
	if (invoke_subshell (NULL, VISIBLY, new_dir_p))
	    quiet_quit_cmd ();	/* User did `exit' or `logout': quit MC quietly */
    } else
#endif				/* HAVE_SUBSHELL_SUPPORT */
    {
	if (output_starts_shell) {
	    fprintf (stderr,
		     _("Type `exit' to return to the Midnight Commander"));
	    fprintf (stderr, "\n\r\n\r");

	    my_system (EXECUTE_INTERNAL, shell, NULL);
	} else
	    get_key_code (0);
    }
    if (console_flag)
	handle_console (CONSOLE_SAVE);

    do_enter_ca_mode ();

    reset_prog_mode ();
    keypad (stdscr, TRUE);

    /* Prevent screen flash when user did 'exit' or 'logout' within
       subshell */
    if (quit)
	return;

    enable_mouse ();
    channels_up ();
    if (alternate_plus_minus)
	application_keypad_mode ();

#ifdef HAVE_SUBSHELL_SUPPORT
    if (use_subshell) {
	load_prompt (0, 0);
	if (new_dir)
	    do_possible_cd (new_dir);
	if (console_flag && output_lines)
	    show_console_contents (output_start_y,
				   LINES - keybar_visible - output_lines -
				   1, LINES - keybar_visible - 1);
    }
#endif				/* HAVE_SUBSHELL_SUPPORT */

    update_panels (UP_OPTIMIZE, UP_KEEPSEL);
    update_xterm_title_path ();
    do_refresh ();
}