4 * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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.
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.
19 #include <sys/types.h>
34 extern char *malloc_options
;
37 struct options global_options
; /* server options */
38 struct options global_s_options
; /* session options */
39 struct options global_w_options
; /* window options */
40 struct environ global_environ
;
42 struct event_base
*ev_base
;
48 char socket_path
[MAXPATHLEN
];
54 __dead
void usage(void);
55 void parseenvironment(void);
56 char *makesocketpath(const char *);
62 "usage: %s [-28lquv] [-c shell-command] [-f file] [-L socket-name]\n"
63 " [-S socket-path] [command [flags]]\n",
69 logfile(const char *name
)
74 if (debug_level
> 0) {
75 xasprintf(&path
, "tmux-%s-%ld.log", name
, (long) getpid());
76 log_open_file(debug_level
, path
);
87 shell
= getenv("SHELL");
88 if (checkshell(shell
))
91 pw
= getpwuid(getuid());
92 if (pw
!= NULL
&& checkshell(pw
->pw_shell
))
93 return (pw
->pw_shell
);
95 return (_PATH_BSHELL
);
99 checkshell(const char *shell
)
101 if (shell
== NULL
|| *shell
== '\0' || areshell(shell
))
103 if (access(shell
, X_OK
) != 0)
109 areshell(const char *shell
)
111 const char *progname
, *ptr
;
113 if ((ptr
= strrchr(shell
, '/')) != NULL
)
117 progname
= __progname
;
118 if (*progname
== '-')
120 if (strcmp(ptr
, progname
) == 0)
126 parseenvironment(void)
128 char *env
, *path_pid
, *pid_idx
, buf
[256];
134 if ((env
= getenv("TMUX")) == NULL
)
137 if ((path_pid
= strchr(env
, ',')) == NULL
|| path_pid
== env
)
139 if ((pid_idx
= strchr(path_pid
+ 1, ',')) == NULL
)
141 if ((pid_idx
== path_pid
+ 1 || pid_idx
[1] == '\0'))
145 len
= path_pid
- env
;
146 environ_path
= xmalloc(len
+ 1);
147 memcpy(environ_path
, env
, len
);
148 environ_path
[len
] = '\0';
151 len
= pid_idx
- path_pid
- 1;
152 if (len
> (sizeof buf
) - 1)
154 memcpy(buf
, path_pid
+ 1, len
);
157 ll
= strtonum(buf
, 0, LONG_MAX
, &errstr
);
163 ll
= strtonum(pid_idx
+ 1, 0, UINT_MAX
, &errstr
);
170 makesocketpath(const char *label
)
172 char base
[MAXPATHLEN
], *path
;
177 xsnprintf(base
, MAXPATHLEN
, "%s/tmux-%d", _PATH_TMP
, uid
);
179 if (mkdir(base
, S_IRWXU
) != 0 && errno
!= EEXIST
)
182 if (lstat(base
, &sb
) != 0)
184 if (!S_ISDIR(sb
.st_mode
)) {
188 if (sb
.st_uid
!= uid
|| (sb
.st_mode
& (S_IRWXG
|S_IRWXO
)) != 0) {
193 xasprintf(&path
, "%s/%s", base
, label
);
198 shell_exec(const char *shell
, const char *shellcmd
)
200 const char *shellname
, *ptr
;
204 ptr
= strrchr(shell
, '/');
205 if (ptr
!= NULL
&& *(ptr
+ 1) != '\0')
210 xasprintf(&argv0
, "-%s", shellname
);
212 xasprintf(&argv0
, "%s", shellname
);
213 setenv("SHELL", shell
, 1);
215 if ((mode
= fcntl(STDIN_FILENO
, F_GETFL
)) != -1)
216 fcntl(STDIN_FILENO
, F_SETFL
, mode
& ~O_NONBLOCK
);
217 if ((mode
= fcntl(STDOUT_FILENO
, F_GETFL
)) != -1)
218 fcntl(STDOUT_FILENO
, F_SETFL
, mode
& ~O_NONBLOCK
);
219 if ((mode
= fcntl(STDERR_FILENO
, F_GETFL
)) != -1)
220 fcntl(STDERR_FILENO
, F_SETFL
, mode
& ~O_NONBLOCK
);
221 closefrom(STDERR_FILENO
+ 1);
223 execl(shell
, argv0
, "-c", shellcmd
, (char *) NULL
);
224 fatal("execl failed");
228 main(int argc
, char **argv
)
231 struct options
*oo
, *so
, *wo
;
232 struct keylist
*keylist
;
233 char *s
, *path
, *label
, *home
, **var
;
234 int opt
, flags
, quiet
, keys
;
237 malloc_options
= (char *) "AFGJPX";
242 login_shell
= (**argv
== '-');
243 while ((opt
= getopt(argc
, argv
, "28c:df:lL:qS:uUv")) != -1) {
246 flags
|= IDENTIFY_256COLOURS
;
247 flags
&= ~IDENTIFY_88COLOURS
;
250 flags
|= IDENTIFY_88COLOURS
;
251 flags
&= ~IDENTIFY_256COLOURS
;
254 if (shell_cmd
!= NULL
)
256 shell_cmd
= xstrdup(optarg
);
259 if (cfg_file
!= NULL
)
261 cfg_file
= xstrdup(optarg
);
269 label
= xstrdup(optarg
);
277 path
= xstrdup(optarg
);
280 flags
|= IDENTIFY_UTF8
;
292 if (shell_cmd
!= NULL
&& argc
!= 0)
295 log_open_tty(debug_level
);
297 if (!(flags
& IDENTIFY_UTF8
)) {
299 * If the user has set whichever of LC_ALL, LC_CTYPE or LANG
300 * exist (in that order) to contain UTF-8, it is a safe
301 * assumption that either they are using a UTF-8 terminal, or
302 * if not they know that output from UTF-8-capable programs may
305 if ((s
= getenv("LC_ALL")) == NULL
) {
306 if ((s
= getenv("LC_CTYPE")) == NULL
)
309 if (s
!= NULL
&& (strcasestr(s
, "UTF-8") != NULL
||
310 strcasestr(s
, "UTF8") != NULL
))
311 flags
|= IDENTIFY_UTF8
;
314 environ_init(&global_environ
);
315 for (var
= environ
; *var
!= NULL
; var
++)
316 environ_put(&global_environ
, *var
);
318 options_init(&global_options
, NULL
);
319 oo
= &global_options
;
320 options_set_number(oo
, "quiet", quiet
);
321 options_set_number(oo
, "escape-time", 500);
322 options_set_number(oo
, "exit-unattached", 0);
324 options_init(&global_s_options
, NULL
);
325 so
= &global_s_options
;
326 options_set_number(so
, "base-index", 0);
327 options_set_number(so
, "bell-action", BELL_ANY
);
328 options_set_number(so
, "buffer-limit", 9);
329 options_set_string(so
, "default-command", "%s", "");
330 options_set_string(so
, "default-path", "%s", "");
331 options_set_string(so
, "default-shell", "%s", getshell());
332 options_set_string(so
, "default-terminal", "screen");
333 options_set_number(so
, "destroy-unattached", 0);
334 options_set_number(so
, "detach-on-destroy", 1);
335 options_set_number(so
, "display-panes-active-colour", 1);
336 options_set_number(so
, "display-panes-colour", 4);
337 options_set_number(so
, "display-panes-time", 1000);
338 options_set_number(so
, "display-time", 750);
339 options_set_number(so
, "history-limit", 2000);
340 options_set_number(so
, "lock-after-time", 0);
341 options_set_string(so
, "lock-command", "lock -np");
342 options_set_number(so
, "lock-server", 1);
343 options_set_number(so
, "message-attr", 0);
344 options_set_number(so
, "message-bg", 3);
345 options_set_number(so
, "message-fg", 0);
346 options_set_number(so
, "message-limit", 20);
347 options_set_number(so
, "mouse-select-pane", 0);
348 options_set_number(so
, "pane-active-border-bg", 8);
349 options_set_number(so
, "pane-active-border-fg", 2);
350 options_set_number(so
, "pane-border-bg", 8);
351 options_set_number(so
, "pane-border-fg", 8);
352 options_set_number(so
, "repeat-time", 500);
353 options_set_number(so
, "set-remain-on-exit", 0);
354 options_set_number(so
, "set-titles", 0);
355 options_set_string(so
, "set-titles-string", "#S:#I:#W - \"#T\"");
356 options_set_number(so
, "status", 1);
357 options_set_number(so
, "status-attr", 0);
358 options_set_number(so
, "status-bg", 2);
359 options_set_number(so
, "status-fg", 0);
360 options_set_number(so
, "status-interval", 15);
361 options_set_number(so
, "status-justify", 0);
362 options_set_string(so
, "status-left", "[#S]");
363 options_set_number(so
, "status-left-attr", 0);
364 options_set_number(so
, "status-left-bg", 8);
365 options_set_number(so
, "status-left-fg", 8);
366 options_set_number(so
, "status-left-length", 10);
367 options_set_string(so
, "status-right", "\"#22T\" %%H:%%M %%d-%%b-%%y");
368 options_set_number(so
, "status-right-attr", 0);
369 options_set_number(so
, "status-right-bg", 8);
370 options_set_number(so
, "status-right-fg", 8);
371 options_set_number(so
, "status-right-length", 40);
372 options_set_string(so
, "terminal-overrides",
373 "*88col*:colors=88,*256col*:colors=256");
374 options_set_string(so
, "update-environment",
376 "SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION "
379 options_set_number(so
, "visual-activity", 0);
380 options_set_number(so
, "visual-bell", 0);
381 options_set_number(so
, "visual-content", 0);
382 options_set_number(so
, "visual-silence", 0);
384 keylist
= xmalloc(sizeof *keylist
);
386 ARRAY_ADD(keylist
, '\002');
387 options_set_data(so
, "prefix", keylist
, xfree
);
389 options_init(&global_w_options
, NULL
);
390 wo
= &global_w_options
;
391 options_set_number(wo
, "aggressive-resize", 0);
392 options_set_number(wo
, "alternate-screen", 1);
393 options_set_number(wo
, "automatic-rename", 1);
394 options_set_number(wo
, "clock-mode-colour", 4);
395 options_set_number(wo
, "clock-mode-style", 1);
396 options_set_number(wo
, "force-height", 0);
397 options_set_number(wo
, "force-width", 0);
398 options_set_number(wo
, "main-pane-height", 24);
399 options_set_number(wo
, "main-pane-width", 80);
400 options_set_number(wo
, "mode-attr", 0);
401 options_set_number(wo
, "mode-bg", 3);
402 options_set_number(wo
, "mode-fg", 0);
403 options_set_number(wo
, "mode-mouse", 0);
404 options_set_number(wo
, "monitor-activity", 0);
405 options_set_string(wo
, "monitor-content", "%s", "");
406 options_set_number(wo
, "monitor-silence", 0);
407 options_set_number(wo
, "window-status-attr", 0);
408 options_set_number(wo
, "window-status-bg", 8);
409 options_set_number(wo
, "window-status-current-attr", 0);
410 options_set_number(wo
, "window-status-current-bg", 8);
411 options_set_number(wo
, "window-status-current-fg", 8);
412 options_set_number(wo
, "window-status-fg", 8);
413 options_set_number(wo
, "window-status-alert-attr", GRID_ATTR_REVERSE
);
414 options_set_number(wo
, "window-status-alert-bg", 8);
415 options_set_number(wo
, "window-status-alert-fg", 8);
416 options_set_string(wo
, "window-status-format", "#I:#W#F");
417 options_set_string(wo
, "window-status-current-format", "#I:#W#F");
418 options_set_string(wo
, "word-separators", " -_@");
419 options_set_number(wo
, "xterm-keys", 0);
420 options_set_number(wo
, "remain-on-exit", 0);
421 options_set_number(wo
, "synchronize-panes", 0);
423 if (flags
& IDENTIFY_UTF8
) {
424 options_set_number(so
, "status-utf8", 1);
425 options_set_number(wo
, "utf8", 1);
427 options_set_number(so
, "status-utf8", 0);
428 options_set_number(wo
, "utf8", 0);
431 keys
= MODEKEY_EMACS
;
432 if ((s
= getenv("VISUAL")) != NULL
|| (s
= getenv("EDITOR")) != NULL
) {
433 if (strrchr(s
, '/') != NULL
)
434 s
= strrchr(s
, '/') + 1;
435 if (strstr(s
, "vi") != NULL
)
438 options_set_number(so
, "status-keys", keys
);
439 options_set_number(wo
, "mode-keys", keys
);
441 /* Locate the configuration file. */
442 if (cfg_file
== NULL
) {
443 home
= getenv("HOME");
444 if (home
== NULL
|| *home
== '\0') {
445 pw
= getpwuid(getuid());
449 xasprintf(&cfg_file
, "%s/%s", home
, DEFAULT_CFG
);
450 if (access(cfg_file
, R_OK
) != 0 && errno
== ENOENT
) {
457 * Figure out the socket path. If specified on the command-line with -S
458 * or -L, use it, otherwise try $TMUX or assume -L default.
462 /* If no -L, use the environment. */
464 if (environ_path
!= NULL
)
465 path
= xstrdup(environ_path
);
467 label
= xstrdup("default");
470 /* -L or default set. */
472 if ((path
= makesocketpath(label
)) == NULL
) {
473 log_warn("can't create socket");
480 if (realpath(path
, socket_path
) == NULL
)
481 strlcpy(socket_path
, path
, sizeof socket_path
);
484 /* Set process title. */
485 setproctitle("%s (%s)", __progname
, socket_path
);
487 /* Pass control to the client. */
488 ev_base
= event_init();
489 exit(client_main(argc
, argv
, flags
));