Exemple #1
0
char *
format_window_name(struct window *w)
{
	struct format_tree	*ft;
	char			*fmt, *name;

	ft = format_create(NULL, 0);
	format_defaults_window(ft, w);
	format_defaults_pane(ft, w->active);

	fmt = options_get_string(w->options, "automatic-rename-format");
	name = format_expand(ft, fmt);

	format_free(ft);
	return (name);
}
Exemple #2
0
enum cmd_retval
cmd_run_shell_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args			*args = self->args;
	struct cmd_run_shell_data	*cdata;
	char				*shellcmd;
	struct client			*c;
	struct session			*s = NULL;
	struct winlink			*wl = NULL;
	struct window_pane		*wp = NULL;
	struct format_tree		*ft;

	if (args_has(args, 't'))
		wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp);
	else {
		c = cmd_find_client(cmdq, NULL, 1);
		if (c != NULL && c->session != NULL) {
			s = c->session;
			wl = s->curw;
			wp = wl->window->active;
		}
	}

	ft = format_create();
	if (s != NULL)
		format_session(ft, s);
	if (s != NULL && wl != NULL)
		format_winlink(ft, s, wl);
	if (wp != NULL)
		format_window_pane(ft, wp);
	shellcmd = format_expand(ft, args->argv[0]);
	format_free(ft);

	cdata = xmalloc(sizeof *cdata);
	cdata->cmd = shellcmd;
	cdata->bflag = args_has(args, 'b');
	cdata->wp_id = wp != NULL ? (int) wp->id : -1;

	cdata->cmdq = cmdq;
	cmdq->references++;

	job_run(shellcmd, s, cmd_run_shell_callback, cmd_run_shell_free, cdata);

	if (cdata->bflag)
		return (CMD_RETURN_NORMAL);
	return (CMD_RETURN_WAIT);
}
Exemple #3
0
/*
 * Replace a key/value pair in buffer. #{blah} is expanded directly,
 * #{?blah,a,b} is replace with a if blah exists and is nonzero else b.
 */
int
format_replace(struct format_tree *ft, const char *key, size_t keylen,
    char **buf, size_t *len, size_t *off)
{
	char		*copy, *copy0, *endptr, *ptr, *saved;
	const char	*value;
	size_t		 valuelen;
	u_long		 limit = ULONG_MAX;

	/* Make a copy of the key. */
	copy0 = copy = xmalloc(keylen + 1);
	memcpy(copy, key, keylen);
	copy[keylen] = '\0';

	/* Is there a length limit or whatnot? */
	if (!islower((u_char) *copy) && *copy != '?') {
		while (*copy != ':' && *copy != '\0') {
			switch (*copy) {
			case '=':
				errno = 0;
				limit = strtoul(copy + 1, &endptr, 10);
				if (errno == ERANGE && limit == ULONG_MAX)
					goto fail;
				copy = endptr;
				break;
			default:
				copy++;
				break;
			}
		}
		if (*copy != ':')
			goto fail;
		copy++;
	}

	/*
	 * Is this a conditional? If so, check it exists and extract either the
	 * first or second element. If not, look up the key directly.
	 */
	if (*copy == '?') {
		ptr = strchr(copy, ',');
		if (ptr == NULL)
			goto fail;
		*ptr = '\0';

		value = format_find(ft, copy + 1);
		if (value != NULL && (value[0] != '0' || value[1] != '\0')) {
			value = ptr + 1;
			ptr = strchr(value, ',');
			if (ptr == NULL)
				goto fail;
			*ptr = '\0';
		} else {
			ptr = strchr(ptr + 1, ',');
			if (ptr == NULL)
				goto fail;
			value = ptr + 1;
		}
		saved = format_expand(ft, value);
		value = saved;
	} else {
		value = format_find(ft, copy);
		if (value == NULL)
			value = "";
		saved = NULL;
	}
	valuelen = strlen(value);

	/* Truncate the value if needed. */
	if (valuelen > limit)
		valuelen = limit;

	/* Expand the buffer and copy in the value. */
	while (*len - *off < valuelen + 1) {
		*buf = xrealloc(*buf, 2, *len);
		*len *= 2;
	}
	memcpy(*buf + *off, value, valuelen);
	*off += valuelen;

	free(saved);
	free(copy0);
	return (0);

fail:
	free(copy0);
	return (-1);
}
Exemple #4
0
enum cmd_retval
cmd_new_window_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args		*args = self->args;
	struct session		*s;
	struct winlink		*wl;
	struct client		*c;
	const char		*cmd, *template;
	char			*cause, *cp;
	int			 idx, last, detached, cwd, fd = -1;
	struct format_tree	*ft;

	if (args_has(args, 'a')) {
		wl = cmd_find_window(cmdq, args_get(args, 't'), &s);
		if (wl == NULL)
			return (CMD_RETURN_ERROR);
		idx = wl->idx + 1;

		/* Find the next free index. */
		for (last = idx; last < INT_MAX; last++) {
			if (winlink_find_by_index(&s->windows, last) == NULL)
				break;
		}
		if (last == INT_MAX) {
			cmdq_error(cmdq, "no free window indexes");
			return (CMD_RETURN_ERROR);
		}

		/* Move everything from last - 1 to idx up a bit. */
		for (; last > idx; last--) {
			wl = winlink_find_by_index(&s->windows, last - 1);
			server_link_window(s, wl, s, last, 0, 0, NULL);
			server_unlink_window(s, wl);
		}
	} else {
		if ((idx = cmd_find_index(cmdq, args_get(args, 't'), &s)) == -2)
			return (CMD_RETURN_ERROR);
	}
	detached = args_has(args, 'd');

	wl = NULL;
	if (idx != -1)
		wl = winlink_find_by_index(&s->windows, idx);
	if (wl != NULL && args_has(args, 'k')) {
		/*
		 * Can't use session_detach as it will destroy session if this
		 * makes it empty.
		 */
		notify_window_unlinked(s, wl->window);
		wl->flags &= ~WINLINK_ALERTFLAGS;
		winlink_stack_remove(&s->lastw, wl);
		winlink_remove(&s->windows, wl);

		/* Force select/redraw if current. */
		if (wl == s->curw) {
			detached = 0;
			s->curw = NULL;
		}
	}

	if (args->argc == 0)
		cmd = options_get_string(&s->options, "default-command");
	else
		cmd = args->argv[0];

	if (args_has(args, 'c')) {
		ft = format_create();
		if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
			format_client(ft, c);
		format_session(ft, s);
		format_winlink(ft, s, s->curw);
		format_window_pane(ft, s->curw->window->active);
		cp = format_expand(ft, args_get(args, 'c'));
		format_free(ft);

		fd = open(cp, O_RDONLY|O_DIRECTORY);
		free(cp);
		if (fd == -1) {
			cmdq_error(cmdq, "bad working directory: %s",
			    strerror(errno));
			return (CMD_RETURN_ERROR);
		}
		cwd = fd;
	} else if (cmdq->client != NULL && cmdq->client->session == NULL)
		cwd = cmdq->client->cwd;
	else
		cwd = s->cwd;

	if (idx == -1)
		idx = -1 - options_get_number(&s->options, "base-index");
	wl = session_new(s, args_get(args, 'n'), cmd, cwd, idx, &cause);
	if (wl == NULL) {
		cmdq_error(cmdq, "create window failed: %s", cause);
		free(cause);
		goto error;
	}
	if (!detached) {
		session_select(s, wl->idx);
		server_redraw_session_group(s);
	} else
		server_status_session_group(s);

	if (args_has(args, 'P')) {
		if ((template = args_get(args, 'F')) == NULL)
Exemple #5
0
enum cmd_retval
cmd_split_window_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args		*args = self->args;
	struct session		*s;
	struct winlink		*wl;
	struct window		*w;
	struct window_pane	*wp, *new_wp = NULL;
	struct environ		 env;
	const char		*cmd, *shell, *template;
	char			*cause, *new_cause, *cp;
	u_int			 hlimit;
	int			 size, percentage, cwd, fd = -1;
	enum layout_type	 type;
	struct layout_cell	*lc;
	struct client		*c;
	struct format_tree	*ft;

	if ((wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp)) == NULL)
		return (CMD_RETURN_ERROR);
	w = wl->window;
	server_unzoom_window(w);

	environ_init(&env);
	environ_copy(&global_environ, &env);
	environ_copy(&s->environ, &env);
	server_fill_environ(s, &env);

	if (args->argc == 0)
		cmd = options_get_string(&s->options, "default-command");
	else
		cmd = args->argv[0];

	if (args_has(args, 'c')) {
		ft = format_create();
		if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
			format_client(ft, c);
		format_session(ft, s);
		format_winlink(ft, s, s->curw);
		format_window_pane(ft, s->curw->window->active);
		cp = format_expand(ft, args_get(args, 'c'));
		format_free(ft);

		fd = open(cp, O_RDONLY|O_DIRECTORY);
		free(cp);
		if (fd == -1) {
			cmdq_error(cmdq, "bad working directory: %s",
			    strerror(errno));
			return (CMD_RETURN_ERROR);
		}
		cwd = fd;
	} else if (cmdq->client != NULL && cmdq->client->session == NULL)
		cwd = cmdq->client->cwd;
	else
		cwd = s->cwd;

	type = LAYOUT_TOPBOTTOM;
	if (args_has(args, 'h'))
		type = LAYOUT_LEFTRIGHT;

	size = -1;
	if (args_has(args, 'l')) {
		size = args_strtonum(args, 'l', 0, INT_MAX, &cause);
		if (cause != NULL) {
			xasprintf(&new_cause, "size %s", cause);
			free(cause);
			cause = new_cause;
			goto error;
		}
	} else if (args_has(args, 'p')) {
		percentage = args_strtonum(args, 'p', 0, INT_MAX, &cause);
		if (cause != NULL) {
			xasprintf(&new_cause, "percentage %s", cause);
			free(cause);
			cause = new_cause;
			goto error;
		}
		if (type == LAYOUT_TOPBOTTOM)
			size = (wp->sy * percentage) / 100;
		else
			size = (wp->sx * percentage) / 100;
	}
	hlimit = options_get_number(&s->options, "history-limit");

	shell = options_get_string(&s->options, "default-shell");
	if (*shell == '\0' || areshell(shell))
		shell = _PATH_BSHELL;

	if ((lc = layout_split_pane(wp, type, size, 0)) == NULL) {
		cause = xstrdup("pane too small");
		goto error;
	}
	new_wp = window_add_pane(w, hlimit);
	if (window_pane_spawn(
	    new_wp, cmd, shell, cwd, &env, s->tio, &cause) != 0)
		goto error;
	layout_assign_pane(lc, new_wp);

	server_redraw_window(w);

	if (!args_has(args, 'd')) {
		window_set_active_pane(w, new_wp);
		session_select(s, wl->idx);
		server_redraw_session(s);
	} else
		server_status_session(s);

	environ_free(&env);

	if (args_has(args, 'P')) {
		if ((template = args_get(args, 'F')) == NULL)
Exemple #6
0
enum cmd_retval
cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args		*args = self->args;
	struct client		*c = cmdq->client, *c0;
	struct session		*s, *groupwith;
	struct window		*w;
	struct environ		 env;
	struct termios		 tio, *tiop;
	const char		*newname, *target, *update, *errstr, *template;
	const char		*path;
	char		       **argv, *cmd, *cause, *cp;
	int			 detached, already_attached, idx, cwd, fd = -1;
	int			 argc;
	u_int			 sx, sy;
	struct format_tree	*ft;
	struct environ_entry	*envent;

	if (self->entry == &cmd_has_session_entry) {
		if (cmd_find_session(cmdq, args_get(args, 't'), 0) == NULL)
			return (CMD_RETURN_ERROR);
		return (CMD_RETURN_NORMAL);
	}

	if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n'))) {
		cmdq_error(cmdq, "command or window name given with target");
		return (CMD_RETURN_ERROR);
	}

	newname = args_get(args, 's');
	if (newname != NULL) {
		if (!session_check_name(newname)) {
			cmdq_error(cmdq, "bad session name: %s", newname);
			return (CMD_RETURN_ERROR);
		}
		if (session_find(newname) != NULL) {
			if (args_has(args, 'A')) {
				return (cmd_attach_session(cmdq, newname,
				    args_has(args, 'D'), 0, NULL,
				    args_has(args, 'E')));
			}
			cmdq_error(cmdq, "duplicate session: %s", newname);
			return (CMD_RETURN_ERROR);
		}
	}

	target = args_get(args, 't');
	if (target != NULL) {
		groupwith = cmd_find_session(cmdq, target, 0);
		if (groupwith == NULL)
			return (CMD_RETURN_ERROR);
	} else
		groupwith = NULL;

	/* Set -d if no client. */
	detached = args_has(args, 'd');
	if (c == NULL)
		detached = 1;

	/* Is this client already attached? */
	already_attached = 0;
	if (c != NULL && c->session != NULL)
		already_attached = 1;

	/* Get the new session working directory. */
	if (args_has(args, 'c')) {
		ft = format_create();
		format_defaults(ft, cmd_find_client(cmdq, NULL, 1), NULL, NULL,
		    NULL);
		cp = format_expand(ft, args_get(args, 'c'));
		format_free(ft);

		if (cp != NULL && *cp != '\0') {
			fd = open(cp, O_RDONLY|O_DIRECTORY);
			free(cp);
			if (fd == -1) {
				cmdq_error(cmdq, "bad working directory: %s",
				    strerror(errno));
				return (CMD_RETURN_ERROR);
			}
		} else if (cp != NULL)
			free(cp);
		cwd = fd;
	} else if (c != NULL && c->session == NULL)
		cwd = c->cwd;
	else if ((c0 = cmd_find_client(cmdq, NULL, 1)) != NULL)
		cwd = c0->session->cwd;
	else {
		fd = open(".", O_RDONLY);
		cwd = fd;
	}

	/*
	 * If this is a new client, check for nesting and save the termios
	 * settings (part of which is used for new windows in this session).
	 *
	 * tcgetattr() is used rather than using tty.tio since if the client is
	 * detached, tty_open won't be called. It must be done before opening
	 * the terminal as that calls tcsetattr() to prepare for tmux taking
	 * over.
	 */
	if (!detached && !already_attached && c->tty.fd != -1) {
		if (server_client_check_nested(cmdq->client)) {
			cmdq_error(cmdq, "sessions should be nested with care, "
			    "unset $TMUX to force");
			return (CMD_RETURN_ERROR);
		}
		if (tcgetattr(c->tty.fd, &tio) != 0)
			fatal("tcgetattr failed");
		tiop = &tio;
	} else
		tiop = NULL;

	/* Open the terminal if necessary. */
	if (!detached && !already_attached) {
		if (server_client_open(c, &cause) != 0) {
			cmdq_error(cmdq, "open terminal failed: %s", cause);
			free(cause);
			goto error;
		}
	}

	/* Find new session size. */
	if (c != NULL) {
		sx = c->tty.sx;
		sy = c->tty.sy;
	} else {
		sx = 80;
		sy = 24;
	}
	if (detached && args_has(args, 'x')) {
		sx = strtonum(args_get(args, 'x'), 1, USHRT_MAX, &errstr);
		if (errstr != NULL) {
			cmdq_error(cmdq, "width %s", errstr);
			goto error;
		}
	}
	if (detached && args_has(args, 'y')) {
		sy = strtonum(args_get(args, 'y'), 1, USHRT_MAX, &errstr);
		if (errstr != NULL) {
			cmdq_error(cmdq, "height %s", errstr);
			goto error;
		}
	}
	if (sy > 0 && options_get_number(&global_s_options, "status"))
		sy--;
	if (sx == 0)
		sx = 1;
	if (sy == 0)
		sy = 1;

	/* Figure out the command for the new window. */
	argc = -1;
	argv = NULL;
	if (target == NULL && args->argc != 0) {
		argc = args->argc;
		argv = args->argv;
	} else if (target == NULL) {
		cmd = options_get_string(&global_s_options, "default-command");
		if (cmd != NULL && *cmd != '\0') {
			argc = 1;
			argv = &cmd;
		} else {
			argc = 0;
			argv = NULL;
		}
	}

	path = NULL;
	if (c != NULL && c->session == NULL)
		envent = environ_find(&c->environ, "PATH");
	else
		envent = environ_find(&global_environ, "PATH");
	if (envent != NULL)
		path = envent->value;

	/* Construct the environment. */
	environ_init(&env);
	if (c != NULL && !args_has(args, 'E')) {
		update = options_get_string(&global_s_options,
		    "update-environment");
		environ_update(update, &c->environ, &env);
	}

	/* Create the new session. */
	idx = -1 - options_get_number(&global_s_options, "base-index");
	s = session_create(newname, argc, argv, path, cwd, &env, tiop, idx, sx,
	    sy, &cause);
	if (s == NULL) {
		cmdq_error(cmdq, "create session failed: %s", cause);
		free(cause);
		goto error;
	}
	environ_free(&env);

	/* Set the initial window name if one given. */
	if (argc >= 0 && args_has(args, 'n')) {
		w = s->curw->window;
		window_set_name(w, args_get(args, 'n'));
		options_set_number(&w->options, "automatic-rename", 0);
	}

	/*
	 * If a target session is given, this is to be part of a session group,
	 * so add it to the group and synchronize.
	 */
	if (groupwith != NULL) {
		session_group_add(groupwith, s);
		session_group_synchronize_to(s);
		session_select(s, RB_MIN(winlinks, &s->windows)->idx);
	}

	/*
	 * Set the client to the new session. If a command client exists, it is
	 * taking this session and needs to get MSG_READY and stay around.
	 */
	if (!detached) {
		if (!already_attached)
			server_write_ready(c);
		else if (c->session != NULL)
			c->last_session = c->session;
		c->session = s;
		status_timer_start(c);
		notify_attached_session_changed(c);
		session_update_activity(s);
		server_redraw_client(c);
	}
	recalculate_sizes();
	server_update_socket();

	/*
	 * If there are still configuration file errors to display, put the new
	 * session's current window into more mode and display them now.
	 */
	if (cfg_finished)
		cfg_show_causes(s);

	/* Print if requested. */
	if (args_has(args, 'P')) {
		if ((template = args_get(args, 'F')) == NULL)
Exemple #7
0
static void
window_buffer_build(void *modedata, u_int sort_type, __unused uint64_t *tag,
    const char *filter)
{
	struct window_buffer_modedata	*data = modedata;
	struct window_buffer_itemdata	*item;
	u_int				 i;
	struct paste_buffer		*pb;
	char				*text, *cp;
	struct format_tree		*ft;
	struct session			*s = NULL;
	struct winlink			*wl = NULL;
	struct window_pane		*wp = NULL;

	for (i = 0; i < data->item_size; i++)
		window_buffer_free_item(data->item_list[i]);
	free(data->item_list);
	data->item_list = NULL;
	data->item_size = 0;

	pb = NULL;
	while ((pb = paste_walk(pb)) != NULL) {
		item = window_buffer_add_item(data);
		item->name = xstrdup(paste_buffer_name(pb));
		paste_buffer_data(pb, &item->size);
		item->order = paste_buffer_order(pb);
	}

	switch (sort_type) {
	case WINDOW_BUFFER_BY_NAME:
		qsort(data->item_list, data->item_size, sizeof *data->item_list,
		    window_buffer_cmp_name);
		break;
	case WINDOW_BUFFER_BY_TIME:
		qsort(data->item_list, data->item_size, sizeof *data->item_list,
		    window_buffer_cmp_time);
		break;
	case WINDOW_BUFFER_BY_SIZE:
		qsort(data->item_list, data->item_size, sizeof *data->item_list,
		    window_buffer_cmp_size);
		break;
	}

	if (cmd_find_valid_state(&data->fs)) {
		s = data->fs.s;
		wl = data->fs.wl;
		wp = data->fs.wp;
	}

	for (i = 0; i < data->item_size; i++) {
		item = data->item_list[i];

		pb = paste_get_name(item->name);
		if (pb == NULL)
			continue;
		ft = format_create(NULL, NULL, FORMAT_NONE, 0);
		format_defaults(ft, NULL, s, wl, wp);
		format_defaults_paste_buffer(ft, pb);

		if (filter != NULL) {
			cp = format_expand(ft, filter);
			if (!format_true(cp)) {
				free(cp);
				format_free(ft);
				continue;
			}
			free(cp);
		}

		text = format_expand(ft, data->format);
		mode_tree_add(data->data, NULL, item, item->order, item->name,
		    text, -1);
		free(text);

		format_free(ft);
	}

}
Exemple #8
0
enum cmd_retval
cmd_attach_session(struct cmd_q *cmdq, const char *tflag, int dflag, int rflag,
    const char *cflag)
{
	struct session		*s;
	struct client		*c;
	struct winlink		*wl = NULL;
	struct window		*w = NULL;
	struct window_pane	*wp = NULL;
	const char		*update;
	char			*cause;
	u_int			 i;
	int			 fd;
	struct format_tree	*ft;
	char			*cp;

	if (RB_EMPTY(&sessions)) {
		cmdq_error(cmdq, "no sessions");
		return (CMD_RETURN_ERROR);
	}

	if (tflag == NULL) {
		if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
			return (CMD_RETURN_ERROR);
	} else if (tflag[strcspn(tflag, ":.")] != '\0') {
		if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL)
			return (CMD_RETURN_ERROR);
	} else {
		if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
			return (CMD_RETURN_ERROR);
		w = cmd_lookup_windowid(tflag);
		if (w == NULL && (wp = cmd_lookup_paneid(tflag)) != NULL)
			w = wp->window;
		if (w != NULL)
			wl = winlink_find_by_window(&s->windows, w);
	}

	if (cmdq->client == NULL)
		return (CMD_RETURN_NORMAL);

	if (wl != NULL) {
		if (wp != NULL)
			window_set_active_pane(wp->window, wp);
		session_set_current(s, wl);
	}

	if (cmdq->client->session != NULL) {
		if (dflag) {
			/*
			 * Can't use server_write_session in case attaching to
			 * the same session as currently attached to.
			 */
			for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
				c = ARRAY_ITEM(&clients, i);
				if (c == NULL || c->session != s)
					continue;
				if (c == cmdq->client)
					continue;
				server_write_client(c, MSG_DETACH,
				    c->session->name,
				    strlen(c->session->name) + 1);
			}
		}

		if (cflag != NULL) {
			ft = format_create();
			if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
				format_client(ft, c);
			format_session(ft, s);
			format_winlink(ft, s, s->curw);
			format_window_pane(ft, s->curw->window->active);
			cp = format_expand(ft, cflag);
			format_free(ft);

			fd = open(cp, O_RDONLY|O_DIRECTORY);
			free(cp);
			if (fd == -1) {
				cmdq_error(cmdq, "bad working directory: %s",
				    strerror(errno));
				return (CMD_RETURN_ERROR);
			}
			close(s->cwd);
			s->cwd = fd;
		}

		cmdq->client->session = s;
		notify_attached_session_changed(cmdq->client);
		session_update_activity(s);
		server_redraw_client(cmdq->client);
		s->curw->flags &= ~WINLINK_ALERTFLAGS;
	} else {
		if (server_client_open(cmdq->client, s, &cause) != 0) {
			cmdq_error(cmdq, "open terminal failed: %s", cause);
			free(cause);
			return (CMD_RETURN_ERROR);
		}

		if (cflag != NULL) {
			ft = format_create();
			if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
				format_client(ft, c);
			format_session(ft, s);
			format_winlink(ft, s, s->curw);
			format_window_pane(ft, s->curw->window->active);
			cp = format_expand(ft, cflag);
			format_free(ft);

			fd = open(cp, O_RDONLY|O_DIRECTORY);
			free(cp);
			if (fd == -1) {
				cmdq_error(cmdq, "bad working directory: %s",
				    strerror(errno));
				return (CMD_RETURN_ERROR);
			}
			close(s->cwd);
			s->cwd = fd;
		}

		if (rflag)
			cmdq->client->flags |= CLIENT_READONLY;

		if (dflag) {
			server_write_session(s, MSG_DETACH, s->name,
			    strlen(s->name) + 1);
		}

		update = options_get_string(&s->options, "update-environment");
		environ_update(update, &cmdq->client->environ, &s->environ);

		cmdq->client->session = s;
		notify_attached_session_changed(cmdq->client);
		session_update_activity(s);
		server_redraw_client(cmdq->client);
		s->curw->flags &= ~WINLINK_ALERTFLAGS;

		server_write_ready(cmdq->client);
		cmdq->client_exit = 0;
	}
	recalculate_sizes();
	server_update_socket();

	return (CMD_RETURN_NORMAL);
}
Exemple #9
0
enum cmd_retval
cmd_if_shell_exec(struct cmd *self, struct cmd_q *cmdq)
{
	struct args			*args = self->args;
	struct cmd_if_shell_data	*cdata;
	char				*shellcmd, *cmd, *cause;
	struct cmd_list			*cmdlist;
	struct client			*c;
	struct session			*s = NULL;
	struct winlink			*wl = NULL;
	struct window_pane		*wp = NULL;
	struct format_tree		*ft;
	int				 cwd;

	if (args_has(args, 't')) {
		wl = cmd_find_pane(cmdq, args_get(args, 't'), &s, &wp);
		cwd = wp->cwd;
	} else {
		c = cmd_find_client(cmdq, NULL, 1);
		if (c != NULL && c->session != NULL) {
			s = c->session;
			wl = s->curw;
			wp = wl->window->active;
		}
		if (cmdq->client != NULL && cmdq->client->session == NULL)
			cwd = cmdq->client->cwd;
		else if (s != NULL)
			cwd = s->cwd;
		else
			cwd = -1;
	}

	ft = format_create();
	format_defaults(ft, NULL, s, wl, wp);
	shellcmd = format_expand(ft, args->argv[0]);
	format_free(ft);

	if (args_has(args, 'F')) {
		cmd = NULL;
		if (*shellcmd != '0' && *shellcmd != '\0')
			cmd = args->argv[1];
		else if (args->argc == 3)
			cmd = args->argv[2];
		if (cmd == NULL)
			return (CMD_RETURN_NORMAL);
		if (cmd_string_parse(cmd, &cmdlist, NULL, 0, &cause) != 0) {
			if (cause != NULL) {
				cmdq_error(cmdq, "%s", cause);
				free(cause);
			}
			return (CMD_RETURN_ERROR);
		}
		cmdq_run(cmdq, cmdlist, &cmdq->item->mouse);
		cmd_list_free(cmdlist);
		return (CMD_RETURN_NORMAL);
	}

	cdata = xmalloc(sizeof *cdata);

	cdata->cmd_if = xstrdup(args->argv[1]);
	if (args->argc == 3)
		cdata->cmd_else = xstrdup(args->argv[2]);
	else
		cdata->cmd_else = NULL;

	cdata->bflag = args_has(args, 'b');

	cdata->cmdq = cmdq;
	memcpy(&cdata->mouse, &cmdq->item->mouse, sizeof cdata->mouse);
	cmdq->references++;

	cdata->references = 1;
	job_run(shellcmd, s, cwd, cmd_if_shell_callback, cmd_if_shell_free,
	    cdata);
	free(shellcmd);

	if (cdata->bflag)
		return (CMD_RETURN_NORMAL);
	return (CMD_RETURN_WAIT);
}
Exemple #10
0
static enum cmd_retval
cmd_new_session_exec(struct cmd *self, struct cmdq_item *item)
{
	struct args		*args = self->args;
	struct client		*c = item->client;
	struct session		*s, *as;
	struct session		*groupwith = item->state.tflag.s;
	struct window		*w;
	struct environ		*env;
	struct termios		 tio, *tiop;
	const char		*newname, *target, *update, *errstr, *template;
	const char		*path, *cwd, *to_free = NULL;
	char		       **argv, *cmd, *cause, *cp;
	int			 detached, already_attached, idx, argc;
	u_int			 sx, sy;
	struct format_tree	*ft;
	struct environ_entry	*envent;
	struct cmd_find_state	 fs;

	if (self->entry == &cmd_has_session_entry) {
		/*
		 * cmd_prepare() will fail if the session cannot be found,
		 * hence always return success here.
		 */
		return (CMD_RETURN_NORMAL);
	}

	if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n'))) {
		cmdq_error(item, "command or window name given with target");
		return (CMD_RETURN_ERROR);
	}

	newname = args_get(args, 's');
	if (newname != NULL) {
		if (!session_check_name(newname)) {
			cmdq_error(item, "bad session name: %s", newname);
			return (CMD_RETURN_ERROR);
		}
		if ((as = session_find(newname)) != NULL) {
			if (args_has(args, 'A')) {
				/*
				 * This item is now destined for
				 * attach-session. Because attach-session will
				 * have already been prepared, copy this
				 * session into its tflag so it can be used.
				 */
				cmd_find_from_session(&item->state.tflag, as);
				return (cmd_attach_session(item,
				    args_has(args, 'D'), 0, NULL,
				    args_has(args, 'E')));
			}
			cmdq_error(item, "duplicate session: %s", newname);
			return (CMD_RETURN_ERROR);
		}
	}

	if ((target = args_get(args, 't')) != NULL) {
		if (groupwith == NULL) {
			cmdq_error(item, "no such session: %s", target);
			goto error;
		}
	} else
		groupwith = NULL;

	/* Set -d if no client. */
	detached = args_has(args, 'd');
	if (c == NULL)
		detached = 1;

	/* Is this client already attached? */
	already_attached = 0;
	if (c != NULL && c->session != NULL)
		already_attached = 1;

	/* Get the new session working directory. */
	if (args_has(args, 'c')) {
		ft = format_create(item, 0);
		format_defaults(ft, c, NULL, NULL, NULL);
		to_free = cwd = format_expand(ft, args_get(args, 'c'));
		format_free(ft);
	} else if (c != NULL && c->session == NULL && c->cwd != NULL)
		cwd = c->cwd;
	else
		cwd = ".";

	/*
	 * If this is a new client, check for nesting and save the termios
	 * settings (part of which is used for new windows in this session).
	 *
	 * tcgetattr() is used rather than using tty.tio since if the client is
	 * detached, tty_open won't be called. It must be done before opening
	 * the terminal as that calls tcsetattr() to prepare for tmux taking
	 * over.
	 */
	if (!detached && !already_attached && c->tty.fd != -1) {
		if (server_client_check_nested(item->client)) {
			cmdq_error(item, "sessions should be nested with care, "
			    "unset $TMUX to force");
			return (CMD_RETURN_ERROR);
		}
		if (tcgetattr(c->tty.fd, &tio) != 0)
			fatal("tcgetattr failed");
		tiop = &tio;
	} else
		tiop = NULL;

	/* Open the terminal if necessary. */
	if (!detached && !already_attached) {
		if (server_client_open(c, &cause) != 0) {
			cmdq_error(item, "open terminal failed: %s", cause);
			free(cause);
			goto error;
		}
	}

	/* Find new session size. */
	if (c != NULL) {
		sx = c->tty.sx;
		sy = c->tty.sy;
	} else {
		sx = 80;
		sy = 24;
	}
	if (detached && args_has(args, 'x')) {
		sx = strtonum(args_get(args, 'x'), 1, USHRT_MAX, &errstr);
		if (errstr != NULL) {
			cmdq_error(item, "width %s", errstr);
			goto error;
		}
	}
	if (detached && args_has(args, 'y')) {
		sy = strtonum(args_get(args, 'y'), 1, USHRT_MAX, &errstr);
		if (errstr != NULL) {
			cmdq_error(item, "height %s", errstr);
			goto error;
		}
	}
	if (sy > 0 && options_get_number(global_s_options, "status"))
		sy--;
	if (sx == 0)
		sx = 1;
	if (sy == 0)
		sy = 1;

	/* Figure out the command for the new window. */
	argc = -1;
	argv = NULL;
	if (!args_has(args, 't') && args->argc != 0) {
		argc = args->argc;
		argv = args->argv;
	} else if (groupwith == NULL) {
		cmd = options_get_string(global_s_options, "default-command");
		if (cmd != NULL && *cmd != '\0') {
			argc = 1;
			argv = &cmd;
		} else {
			argc = 0;
			argv = NULL;
		}
	}

	path = NULL;
	if (c != NULL && c->session == NULL)
		envent = environ_find(c->environ, "PATH");
	else
		envent = environ_find(global_environ, "PATH");
	if (envent != NULL)
		path = envent->value;

	/* Construct the environment. */
	env = environ_create();
	if (c != NULL && !args_has(args, 'E')) {
		update = options_get_string(global_s_options,
		    "update-environment");
		environ_update(update, c->environ, env);
	}

	/* Create the new session. */
	idx = -1 - options_get_number(global_s_options, "base-index");
	s = session_create(newname, argc, argv, path, cwd, env, tiop, idx, sx,
	    sy, &cause);
	environ_free(env);
	if (s == NULL) {
		cmdq_error(item, "create session failed: %s", cause);
		free(cause);
		goto error;
	}

	/* Set the initial window name if one given. */
	if (argc >= 0 && args_has(args, 'n')) {
		w = s->curw->window;
		window_set_name(w, args_get(args, 'n'));
		options_set_number(w->options, "automatic-rename", 0);
	}

	/*
	 * If a target session is given, this is to be part of a session group,
	 * so add it to the group and synchronize.
	 */
	if (groupwith != NULL) {
		session_group_add(groupwith, s);
		session_group_synchronize_to(s);
		session_select(s, RB_MIN(winlinks, &s->windows)->idx);
	}
	notify_session("session-created", s);

	/*
	 * Set the client to the new session. If a command client exists, it is
	 * taking this session and needs to get MSG_READY and stay around.
	 */
	if (!detached) {
		if (!already_attached) {
			if (~c->flags & CLIENT_CONTROL)
				proc_send(c->peer, MSG_READY, -1, NULL, 0);
		} else if (c->session != NULL)
			c->last_session = c->session;
		c->session = s;
		server_client_set_key_table(c, NULL);
		status_timer_start(c);
		notify_client("client-session-changed", c);
		session_update_activity(s, NULL);
		gettimeofday(&s->last_attached_time, NULL);
		server_redraw_client(c);
	}
	recalculate_sizes();
	server_update_socket();

	/*
	 * If there are still configuration file errors to display, put the new
	 * session's current window into more mode and display them now.
	 */
	if (cfg_finished)
		cfg_show_causes(s);

	/* Print if requested. */
	if (args_has(args, 'P')) {
		if ((template = args_get(args, 'F')) == NULL)