Repository navigation
Expand file tree
/
Copy pathcmd-attach-session.c
More file actions
186 lines (160 loc) · 4.84 KB
/
Copy pathcmd-attach-session.c
File metadata and controls
186 lines (160 loc) · 4.84 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/* $OpenBSD: cmd-attach-session.c,v 1.92 2026/10/02 12:48:52 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "tmux.h"
/*
* Attach existing session to the current terminal.
*/
static enum cmd_retval cmd_attach_session_exec(struct cmd *,
struct cmdq_item *);
const struct cmd_entry cmd_attach_session_entry = {
.name = "attach-session",
.alias = "attach",
.args = { "c:dEf:rt:x", 0, 0, NULL },
.usage = "[-dErx] [-c working-directory] [-f flags] "
CMD_TARGET_SESSION_USAGE,
/* -t is special */
.flags = CMD_STARTSERVER|CMD_READONLY,
.exec = cmd_attach_session_exec
};
enum cmd_retval
cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag,
int xflag, int rflag, const char *cflag, int Eflag, const char *fflag)
{
struct cmd_find_state *current = cmdq_get_current(item);
struct cmd_find_state target;
enum cmd_find_type type;
int flags;
struct client *c = cmdq_get_client(item), *c_loop;
struct session *s;
struct winlink *wl;
struct window_pane *wp;
char *cwd, *cause;
enum msgtype msgtype;
uid_t uid;
if (RB_EMPTY(&sessions)) {
cmdq_error(item, "no sessions");
return (CMD_RETURN_ERROR);
}
if (c == NULL)
return (CMD_RETURN_NORMAL);
if (server_client_check_nested(c)) {
cmdq_error(item, "sessions should be nested with care, "
"unset $TMUX to force");
return (CMD_RETURN_ERROR);
}
if (tflag != NULL && tflag[strcspn(tflag, ":.")] != '\0') {
type = CMD_FIND_PANE;
flags = 0;
} else {
type = CMD_FIND_SESSION;
flags = CMD_FIND_PREFER_UNATTACHED;
}
if (cmd_find_target(&target, item, tflag, type, flags) != 0)
return (CMD_RETURN_ERROR);
s = target.s;
wl = target.wl;
wp = target.wp;
if (wl != NULL) {
if (wp != NULL) {
window_redraw_active_switch(wp->window, wp);
window_set_active_pane(wp->window, wp, 1);
}
session_set_current(s, wl);
if (wp != NULL)
cmd_find_from_winlink_pane(current, wl, wp, 0);
else
cmd_find_from_winlink(current, wl, 0);
}
if (cflag != NULL) {
cwd = format_single(item, cflag, c, s, wl, wp);
free((void *)s->cwd);
s->cwd = cwd;
}
if (fflag)
server_client_set_flags(c, fflag);
if (rflag) {
if (c->flags & CLIENT_READONLY) {
uid = proc_get_peer_uid(c->peer);
if (uid != getuid()) {
cmdq_error(item, "client is read-only");
return (CMD_RETURN_ERROR);
}
}
c->flags |= (CLIENT_READONLY|CLIENT_IGNORESIZE);
}
c->last_session = c->session;
if (c->session != NULL) {
if (dflag || xflag) {
if (xflag)
msgtype = MSG_DETACHKILL;
else
msgtype = MSG_DETACH;
TAILQ_FOREACH(c_loop, &clients, entry) {
if (c_loop->session != s || c == c_loop)
continue;
server_client_detach(c_loop, msgtype);
}
}
if (!Eflag)
environ_update(s->options, c->environ, s->environ);
server_client_set_session(c, s);
if (~cmdq_get_flags(item) & CMDQ_STATE_REPEAT)
server_client_set_key_table(c, NULL);
} else {
if (server_client_open(c, &cause) != 0) {
cmdq_error(item, "open terminal failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (dflag || xflag) {
if (xflag)
msgtype = MSG_DETACHKILL;
else
msgtype = MSG_DETACH;
TAILQ_FOREACH(c_loop, &clients, entry) {
if (c_loop->session != s || c == c_loop)
continue;
server_client_detach(c_loop, msgtype);
}
}
if (!Eflag)
environ_update(s->options, c->environ, s->environ);
server_client_set_session(c, s);
server_client_set_key_table(c, NULL);
if (~c->flags & CLIENT_CONTROL)
proc_send(c->peer, MSG_READY, -1, NULL, 0);
events_fire_client("client-attached", c);
c->flags |= CLIENT_ATTACHED;
}
if (cfg_finished)
cfg_show_causes(s);
return (CMD_RETURN_NORMAL);
}
static enum cmd_retval
cmd_attach_session_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = cmd_get_args(self);
return (cmd_attach_session(item, args_get(args, 't'),
args_has(args, 'd'), args_has(args, 'x'), args_has(args, 'r'),
args_get(args, 'c'), args_has(args, 'E'), args_get(args, 'f')));
}