cmd-detach-client.c revision 1.33 
1/* $OpenBSD: cmd-detach-client.c,v 1.33 2020/04/13 08:26:27 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 },
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,
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 },
51	.usage = CMD_TARGET_CLIENT_USAGE,
52
53	.flags = 0,
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 client	*c, *cloop;
62	struct session	*s;
63	enum msgtype	 msgtype;
64	const char	*cmd = args_get(args, 'E');
65
66	if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
67		return (CMD_RETURN_ERROR);
68
69	if (cmd_get_entry(self) == &cmd_suspend_client_entry) {
70		server_client_suspend(c);
71		return (CMD_RETURN_NORMAL);
72	}
73
74	if (args_has(args, 'P'))
75		msgtype = MSG_DETACHKILL;
76	else
77		msgtype = MSG_DETACH;
78
79	if (args_has(args, 's')) {
80		s = item->source.s;
81		if (s == NULL)
82			return (CMD_RETURN_NORMAL);
83		TAILQ_FOREACH(cloop, &clients, entry) {
84			if (cloop->session == s) {
85				if (cmd != NULL)
86					server_client_exec(cloop, cmd);
87				else
88					server_client_detach(cloop, msgtype);
89			}
90		}
91		return (CMD_RETURN_STOP);
92	}
93
94	if (args_has(args, 'a')) {
95		TAILQ_FOREACH(cloop, &clients, entry) {
96			if (cloop->session != NULL && cloop != c) {
97				if (cmd != NULL)
98					server_client_exec(cloop, cmd);
99				else
100					server_client_detach(cloop, msgtype);
101			}
102		}
103		return (CMD_RETURN_NORMAL);
104	}
105
106	if (cmd != NULL)
107		server_client_exec(c, cmd);
108	else
109		server_client_detach(c, msgtype);
110	return (CMD_RETURN_STOP);
111}
112