cmd-detach-client.c revision 1.37 
1/* $OpenBSD: cmd-detach-client.c,v 1.37 2024/03/21 11:26:28 nicm Exp $ */
2
3/*
4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
5 *
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19#include <sys/types.h>
20
21#include <string.h>
22
23#include "tmux.h"
24
25/*
26 * Detach a client.
27 */
28
29static enum cmd_retval	cmd_detach_client_exec(struct cmd *,
30			    struct cmdq_item *);
31
32const struct cmd_entry cmd_detach_client_entry = {
33	.name = "detach-client",
34	.alias = "detach",
35
36	.args = { "aE:s:t:P", 0, 0, NULL },
37	.usage = "[-aP] [-E shell-command] "
38	         "[-s target-session] " CMD_TARGET_CLIENT_USAGE,
39
40	.source = { 's', CMD_FIND_SESSION, CMD_FIND_CANFAIL },
41
42	.flags = CMD_READONLY|CMD_CLIENT_TFLAG,
43	.exec = cmd_detach_client_exec
44};
45
46const struct cmd_entry cmd_suspend_client_entry = {
47	.name = "suspend-client",
48	.alias = "suspendc",
49
50	.args = { "t:", 0, 0, NULL },
51	.usage = CMD_TARGET_CLIENT_USAGE,
52
53	.flags = CMD_CLIENT_TFLAG,
54	.exec = cmd_detach_client_exec
55};
56
57static enum cmd_retval
58cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item)
59{
60	struct args		*args = cmd_get_args(self);
61	struct cmd_find_state	*source = cmdq_get_source(item);
62	struct client		*c = cmdq_get_client(item);
63	struct client		*tc = cmdq_get_target_client(item), *loop;
64	struct session		*s;
65	enum msgtype		 msgtype;
66	const char		*cmd = args_get(args, 'E');
67
68	if (cmd_get_entry(self) == &cmd_suspend_client_entry) {
69		server_client_suspend(tc);
70		return (CMD_RETURN_NORMAL);
71	}
72
73	if (args_has(args, 'P'))
74		msgtype = MSG_DETACHKILL;
75	else
76		msgtype = MSG_DETACH;
77
78	if (args_has(args, 's')) {
79		s = source->s;
80		if (s == NULL)
81			return (CMD_RETURN_NORMAL);
82		TAILQ_FOREACH(loop, &clients, entry) {
83			if (loop->session == s) {
84				if (cmd != NULL)
85					server_client_exec(loop, cmd);
86				else
87					server_client_detach(loop, msgtype);
88			}
89		}
90		return (CMD_RETURN_STOP);
91	}
92
93	if (args_has(args, 'a')) {
94		TAILQ_FOREACH(loop, &clients, entry) {
95			if (loop->session != NULL && loop != tc) {
96				if (cmd != NULL)
97					server_client_exec(loop, cmd);
98				else
99					server_client_detach(loop, msgtype);
100			}
101		}
102		return (CMD_RETURN_NORMAL);
103	}
104
105	if (cmd != NULL) {
106		if (c == NULL || c->session == NULL) {
107			cmdq_error(item, "must be attached for -E");
108			return (CMD_RETURN_ERROR);
109		}
110		server_client_exec(tc, cmd);
111	} else
112		server_client_detach(tc, msgtype);
113	return (CMD_RETURN_STOP);
114}
115