Annotation of src/usr.bin/tmux/tmux.c, Revision 1.67
1.67 ! nicm 1: /* $OpenBSD: tmux.c,v 1.66 2010/01/03 12:51:05 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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: #include <sys/stat.h>
21:
22: #include <errno.h>
1.55 nicm 23: #include <event.h>
1.1 nicm 24: #include <paths.h>
25: #include <pwd.h>
26: #include <signal.h>
27: #include <stdlib.h>
28: #include <string.h>
29: #include <syslog.h>
30: #include <unistd.h>
31:
32: #include "tmux.h"
33:
34: #ifdef DEBUG
1.54 nicm 35: extern char *malloc_options;
1.1 nicm 36: #endif
37:
38: char *cfg_file;
1.63 nicm 39: struct options global_options; /* server options */
1.12 nicm 40: struct options global_s_options; /* session options */
41: struct options global_w_options; /* window options */
1.29 nicm 42: struct environ global_environ;
1.1 nicm 43:
44: int debug_level;
45: time_t start_time;
46: char *socket_path;
1.41 nicm 47: int login_shell;
1.1 nicm 48:
49: __dead void usage(void);
1.50 nicm 50: void fill_session(struct msg_command_data *);
1.1 nicm 51: char *makesockpath(const char *);
1.46 nicm 52: __dead void shell_exec(const char *, const char *);
1.1 nicm 53:
1.55 nicm 54: struct imsgbuf *main_ibuf;
55: struct event main_ev_sigterm;
56: int main_exitval;
57:
58: void main_set_signals(void);
59: void main_clear_signals(void);
60: void main_signal(int, short, unused void *);
61: void main_callback(int, short, void *);
62: void main_dispatch(const char *);
63:
1.1 nicm 64: __dead void
65: usage(void)
66: {
1.4 sobrado 67: fprintf(stderr,
1.52 nicm 68: "usage: %s [-28lquv] [-c shell-command] [-f file] [-L socket-name]\n"
1.41 nicm 69: " [-S socket-path] [command [flags]]\n",
1.1 nicm 70: __progname);
71: exit(1);
72: }
73:
74: void
75: logfile(const char *name)
76: {
77: char *path;
78:
79: log_close();
80: if (debug_level > 0) {
1.32 nicm 81: xasprintf(&path, "tmux-%s-%ld.log", name, (long) getpid());
1.1 nicm 82: log_open_file(debug_level, path);
83: xfree(path);
84: }
85: }
86:
1.39 nicm 87: const char *
88: getshell(void)
89: {
90: struct passwd *pw;
91: const char *shell;
92:
93: shell = getenv("SHELL");
94: if (checkshell(shell))
95: return (shell);
96:
97: pw = getpwuid(getuid());
98: if (pw != NULL && checkshell(pw->pw_shell))
99: return (pw->pw_shell);
100:
101: return (_PATH_BSHELL);
102: }
103:
104: int
105: checkshell(const char *shell)
106: {
107: if (shell == NULL || *shell == '\0' || areshell(shell))
108: return (0);
109: if (access(shell, X_OK) != 0)
110: return (0);
111: return (1);
112: }
113:
114: int
115: areshell(const char *shell)
116: {
117: const char *progname, *ptr;
118:
119: if ((ptr = strrchr(shell, '/')) != NULL)
120: ptr++;
121: else
122: ptr = shell;
123: progname = __progname;
124: if (*progname == '-')
125: progname++;
126: if (strcmp(ptr, progname) == 0)
127: return (1);
128: return (0);
129: }
130:
1.50 nicm 131: void
132: fill_session(struct msg_command_data *data)
133: {
134: char *env, *ptr1, *ptr2, buf[256];
135: size_t len;
136: const char *errstr;
137: long long ll;
138:
139: data->pid = -1;
140: if ((env = getenv("TMUX")) == NULL)
141: return;
142:
143: if ((ptr2 = strrchr(env, ',')) == NULL || ptr2 == env)
144: return;
145: for (ptr1 = ptr2 - 1; ptr1 > env && *ptr1 != ','; ptr1--)
146: ;
147: if (*ptr1 != ',')
148: return;
149: ptr1++;
150: ptr2++;
151:
152: len = ptr2 - ptr1 - 1;
153: if (len > (sizeof buf) - 1)
154: return;
155: memcpy(buf, ptr1, len);
156: buf[len] = '\0';
157:
158: ll = strtonum(buf, 0, LONG_MAX, &errstr);
159: if (errstr != NULL)
160: return;
161: data->pid = ll;
162:
163: ll = strtonum(ptr2, 0, UINT_MAX, &errstr);
164: if (errstr != NULL)
165: return;
166: data->idx = ll;
167: }
168:
1.1 nicm 169: char *
170: makesockpath(const char *label)
171: {
172: char base[MAXPATHLEN], *path;
173: struct stat sb;
174: u_int uid;
175:
176: uid = getuid();
1.32 nicm 177: xsnprintf(base, MAXPATHLEN, "%s/tmux-%d", _PATH_TMP, uid);
1.1 nicm 178:
179: if (mkdir(base, S_IRWXU) != 0 && errno != EEXIST)
180: return (NULL);
181:
182: if (lstat(base, &sb) != 0)
183: return (NULL);
184: if (!S_ISDIR(sb.st_mode)) {
185: errno = ENOTDIR;
186: return (NULL);
187: }
188: if (sb.st_uid != uid || (sb.st_mode & (S_IRWXG|S_IRWXO)) != 0) {
189: errno = EACCES;
190: return (NULL);
191: }
192:
193: xasprintf(&path, "%s/%s", base, label);
194: return (path);
195: }
196:
1.55 nicm 197: __dead void
198: shell_exec(const char *shell, const char *shellcmd)
199: {
200: const char *shellname, *ptr;
201: char *argv0;
202:
203: ptr = strrchr(shell, '/');
204: if (ptr != NULL && *(ptr + 1) != '\0')
205: shellname = ptr + 1;
206: else
207: shellname = shell;
208: if (login_shell)
209: xasprintf(&argv0, "-%s", shellname);
210: else
211: xasprintf(&argv0, "%s", shellname);
212: setenv("SHELL", shell, 1);
213:
214: execl(shell, argv0, "-c", shellcmd, (char *) NULL);
215: fatal("execl failed");
216: }
217:
1.1 nicm 218: int
219: main(int argc, char **argv)
220: {
1.51 nicm 221: struct cmd_list *cmdlist;
1.62 nicm 222: struct cmd *cmd;
1.51 nicm 223: enum msgtype msg;
224: struct passwd *pw;
1.63 nicm 225: struct options *oo, *so, *wo;
1.51 nicm 226: struct keylist *keylist;
227: struct msg_command_data cmddata;
228: char *s, *shellcmd, *path, *label, *home, *cause;
229: char cwd[MAXPATHLEN], **var;
230: void *buf;
231: size_t len;
1.64 nicm 232: int opt, flags, quiet = 0, cmdflags = 0;
1.55 nicm 233: short events;
1.54 nicm 234:
235: #ifdef DEBUG
236: malloc_options = (char *) "AFGJPX";
237: #endif
1.1 nicm 238:
1.45 nicm 239: flags = 0;
1.46 nicm 240: shellcmd = label = path = NULL;
1.41 nicm 241: login_shell = (**argv == '-');
1.46 nicm 242: while ((opt = getopt(argc, argv, "28c:df:lL:qS:uUv")) != -1) {
1.41 nicm 243: switch (opt) {
1.1 nicm 244: case '2':
245: flags |= IDENTIFY_256COLOURS;
246: flags &= ~IDENTIFY_88COLOURS;
247: break;
248: case '8':
249: flags |= IDENTIFY_88COLOURS;
250: flags &= ~IDENTIFY_256COLOURS;
251: break;
1.46 nicm 252: case 'c':
253: if (shellcmd != NULL)
254: xfree(shellcmd);
255: shellcmd = xstrdup(optarg);
1.37 nicm 256: break;
1.1 nicm 257: case 'f':
1.42 nicm 258: if (cfg_file != NULL)
1.2 ray 259: xfree(cfg_file);
1.1 nicm 260: cfg_file = xstrdup(optarg);
1.41 nicm 261: break;
262: case 'l':
263: login_shell = 1;
1.1 nicm 264: break;
265: case 'L':
266: if (label != NULL)
267: xfree(label);
268: label = xstrdup(optarg);
269: break;
1.37 nicm 270: case 'q':
1.63 nicm 271: quiet = 1;
1.37 nicm 272: break;
1.1 nicm 273: case 'S':
274: if (path != NULL)
275: xfree(path);
276: path = xstrdup(optarg);
277: break;
278: case 'u':
279: flags |= IDENTIFY_UTF8;
280: break;
281: case 'v':
282: debug_level++;
283: break;
1.53 deraadt 284: default:
1.1 nicm 285: usage();
1.53 deraadt 286: }
287: }
1.1 nicm 288: argc -= optind;
289: argv += optind;
290:
1.46 nicm 291: if (shellcmd != NULL && argc != 0)
292: usage();
293:
1.1 nicm 294: log_open_tty(debug_level);
295:
1.15 nicm 296: if (!(flags & IDENTIFY_UTF8)) {
297: /*
298: * If the user has set whichever of LC_ALL, LC_CTYPE or LANG
299: * exist (in that order) to contain UTF-8, it is a safe
300: * assumption that either they are using a UTF-8 terminal, or
301: * if not they know that output from UTF-8-capable programs may
302: * be wrong.
303: */
304: if ((s = getenv("LC_ALL")) == NULL) {
305: if ((s = getenv("LC_CTYPE")) == NULL)
306: s = getenv("LANG");
307: }
1.26 nicm 308: if (s != NULL && (strcasestr(s, "UTF-8") != NULL ||
309: strcasestr(s, "UTF8") != NULL))
1.15 nicm 310: flags |= IDENTIFY_UTF8;
311: }
312:
1.42 nicm 313: environ_init(&global_environ);
1.62 nicm 314: for (var = environ; *var != NULL; var++)
1.42 nicm 315: environ_put(&global_environ, *var);
1.63 nicm 316:
317: options_init(&global_options, NULL);
318: oo = &global_options;
1.64 nicm 319: options_set_number(oo, "quiet", quiet);
1.65 nicm 320: options_set_number(oo, "escape-time", 500);
1.42 nicm 321:
1.12 nicm 322: options_init(&global_s_options, NULL);
1.42 nicm 323: so = &global_s_options;
324: options_set_number(so, "base-index", 0);
325: options_set_number(so, "bell-action", BELL_ANY);
326: options_set_number(so, "buffer-limit", 9);
327: options_set_string(so, "default-command", "%s", "");
328: options_set_string(so, "default-shell", "%s", getshell());
329: options_set_string(so, "default-terminal", "screen");
330: options_set_number(so, "display-panes-colour", 4);
1.67 ! nicm 331: options_set_number(so, "display-panes-active-colour", 1);
1.42 nicm 332: options_set_number(so, "display-panes-time", 1000);
333: options_set_number(so, "display-time", 750);
334: options_set_number(so, "history-limit", 2000);
335: options_set_number(so, "lock-after-time", 0);
1.45 nicm 336: options_set_string(so, "lock-command", "lock -np");
1.48 nicm 337: options_set_number(so, "lock-server", 1);
1.42 nicm 338: options_set_number(so, "message-attr", 0);
339: options_set_number(so, "message-bg", 3);
340: options_set_number(so, "message-fg", 0);
1.58 nicm 341: options_set_number(so, "message-limit", 20);
1.49 nicm 342: options_set_number(so, "mouse-select-pane", 0);
1.66 nicm 343: options_set_number(so, "pane-active-border-bg", 2);
344: options_set_number(so, "pane-active-border-fg", 8);
345: options_set_number(so, "pane-border-bg", 8);
346: options_set_number(so, "pane-border-fg", 8);
1.42 nicm 347: options_set_number(so, "repeat-time", 500);
348: options_set_number(so, "set-remain-on-exit", 0);
349: options_set_number(so, "set-titles", 0);
1.43 nicm 350: options_set_string(so, "set-titles-string", "#S:#I:#W - \"#T\"");
1.42 nicm 351: options_set_number(so, "status", 1);
352: options_set_number(so, "status-attr", 0);
353: options_set_number(so, "status-bg", 2);
354: options_set_number(so, "status-fg", 0);
355: options_set_number(so, "status-interval", 15);
356: options_set_number(so, "status-justify", 0);
357: options_set_number(so, "status-keys", MODEKEY_EMACS);
358: options_set_string(so, "status-left", "[#S]");
359: options_set_number(so, "status-left-attr", 0);
360: options_set_number(so, "status-left-bg", 8);
361: options_set_number(so, "status-left-fg", 8);
362: options_set_number(so, "status-left-length", 10);
363: options_set_string(so, "status-right", "\"#22T\" %%H:%%M %%d-%%b-%%y");
364: options_set_number(so, "status-right-attr", 0);
365: options_set_number(so, "status-right-bg", 8);
366: options_set_number(so, "status-right-fg", 8);
367: options_set_number(so, "status-right-length", 40);
368: options_set_string(so, "terminal-overrides",
369: "*88col*:colors=88,*256col*:colors=256");
370: options_set_string(so, "update-environment", "DISPLAY "
1.35 nicm 371: "WINDOWID SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION");
1.42 nicm 372: options_set_number(so, "visual-activity", 0);
373: options_set_number(so, "visual-bell", 0);
374: options_set_number(so, "visual-content", 0);
1.44 nicm 375:
376: keylist = xmalloc(sizeof *keylist);
377: ARRAY_INIT(keylist);
378: ARRAY_ADD(keylist, '\002');
379: options_set_data(so, "prefix", keylist, xfree);
1.1 nicm 380:
1.12 nicm 381: options_init(&global_w_options, NULL);
1.42 nicm 382: wo = &global_w_options;
383: options_set_number(wo, "aggressive-resize", 0);
384: options_set_number(wo, "automatic-rename", 1);
385: options_set_number(wo, "clock-mode-colour", 4);
386: options_set_number(wo, "clock-mode-style", 1);
387: options_set_number(wo, "force-height", 0);
388: options_set_number(wo, "force-width", 0);
389: options_set_number(wo, "main-pane-height", 24);
390: options_set_number(wo, "main-pane-width", 81);
391: options_set_number(wo, "mode-attr", 0);
392: options_set_number(wo, "mode-bg", 3);
393: options_set_number(wo, "mode-fg", 0);
394: options_set_number(wo, "mode-keys", MODEKEY_EMACS);
395: options_set_number(wo, "mode-mouse", 0);
396: options_set_number(wo, "monitor-activity", 0);
397: options_set_string(wo, "monitor-content", "%s", "");
398: options_set_number(wo, "window-status-attr", 0);
399: options_set_number(wo, "window-status-bg", 8);
400: options_set_number(wo, "window-status-current-attr", 0);
401: options_set_number(wo, "window-status-current-bg", 8);
402: options_set_number(wo, "window-status-current-fg", 8);
403: options_set_number(wo, "window-status-fg", 8);
1.60 nicm 404: options_set_string(wo, "window-status-format", "#I:#W#F");
405: options_set_string(wo, "window-status-current-format", "#I:#W#F");
1.59 nicm 406: options_set_number(wo, "xterm-keys", 0);
1.62 nicm 407: options_set_number(wo, "remain-on-exit", 0);
1.47 nicm 408: options_set_number(wo, "synchronize-panes", 0);
1.42 nicm 409:
1.62 nicm 410: if (flags & IDENTIFY_UTF8) {
1.42 nicm 411: options_set_number(so, "status-utf8", 1);
412: options_set_number(wo, "utf8", 1);
413: } else {
414: options_set_number(so, "status-utf8", 0);
415: options_set_number(wo, "utf8", 0);
416: }
417:
418: if (getcwd(cwd, sizeof cwd) == NULL) {
419: pw = getpwuid(getuid());
420: if (pw->pw_dir != NULL && *pw->pw_dir != '\0')
421: strlcpy(cwd, pw->pw_dir, sizeof cwd);
422: else
423: strlcpy(cwd, "/", sizeof cwd);
424: }
425: options_set_string(so, "default-path", "%s", cwd);
1.1 nicm 426:
427: if (cfg_file == NULL) {
428: home = getenv("HOME");
429: if (home == NULL || *home == '\0') {
430: pw = getpwuid(getuid());
431: if (pw != NULL)
432: home = pw->pw_dir;
433: }
434: xasprintf(&cfg_file, "%s/%s", home, DEFAULT_CFG);
435: if (access(cfg_file, R_OK) != 0) {
436: xfree(cfg_file);
437: cfg_file = NULL;
438: }
439: } else {
440: if (access(cfg_file, R_OK) != 0) {
441: log_warn("%s", cfg_file);
442: exit(1);
443: }
444: }
1.62 nicm 445:
1.1 nicm 446: if (label == NULL)
447: label = xstrdup("default");
448: if (path == NULL && (path = makesockpath(label)) == NULL) {
449: log_warn("can't create socket");
450: exit(1);
451: }
452: xfree(label);
453:
1.46 nicm 454: if (shellcmd != NULL) {
455: msg = MSG_SHELL;
456: buf = NULL;
457: len = 0;
1.51 nicm 458: } else {
459: fill_session(&cmddata);
1.62 nicm 460:
1.51 nicm 461: cmddata.argc = argc;
462: if (cmd_pack_argv(
463: argc, argv, cmddata.argv, sizeof cmddata.argv) != 0) {
464: log_warnx("command too long");
465: exit(1);
466: }
1.62 nicm 467:
1.51 nicm 468: msg = MSG_COMMAND;
469: buf = &cmddata;
470: len = sizeof cmddata;
471: }
1.21 nicm 472:
1.46 nicm 473: if (shellcmd != NULL)
474: cmdflags |= CMD_STARTSERVER;
475: else if (argc == 0) /* new-session is the default */
1.30 nicm 476: cmdflags |= CMD_STARTSERVER|CMD_SENDENVIRON;
1.21 nicm 477: else {
478: /*
479: * It sucks parsing the command string twice (in client and
480: * later in server) but it is necessary to get the start server
481: * flag.
482: */
483: if ((cmdlist = cmd_list_parse(argc, argv, &cause)) == NULL) {
484: log_warnx("%s", cause);
485: exit(1);
1.1 nicm 486: }
1.21 nicm 487: cmdflags &= ~CMD_STARTSERVER;
1.1 nicm 488: TAILQ_FOREACH(cmd, cmdlist, qentry) {
1.29 nicm 489: if (cmd->entry->flags & CMD_STARTSERVER)
1.20 nicm 490: cmdflags |= CMD_STARTSERVER;
1.29 nicm 491: if (cmd->entry->flags & CMD_SENDENVIRON)
492: cmdflags |= CMD_SENDENVIRON;
1.1 nicm 493: }
1.21 nicm 494: cmd_list_free(cmdlist);
1.1 nicm 495: }
496:
1.55 nicm 497: if ((main_ibuf = client_init(path, cmdflags, flags)) == NULL)
1.1 nicm 498: exit(1);
499: xfree(path);
500:
1.55 nicm 501: event_init();
502:
1.62 nicm 503: imsg_compose(main_ibuf, msg, PROTOCOL_VERSION, -1, -1, buf, len);
1.55 nicm 504:
505: main_set_signals();
506:
507: events = EV_READ;
508: if (main_ibuf->w.queued > 0)
509: events |= EV_WRITE;
510: event_once(main_ibuf->fd, events, main_callback, shellcmd, NULL);
511:
512: main_exitval = 0;
513: event_dispatch();
1.1 nicm 514:
1.55 nicm 515: main_clear_signals();
516:
517: client_main(); /* doesn't return */
518: }
1.31 nicm 519:
1.55 nicm 520: void
521: main_set_signals(void)
522: {
523: struct sigaction sigact;
524:
525: memset(&sigact, 0, sizeof sigact);
526: sigemptyset(&sigact.sa_mask);
527: sigact.sa_flags = SA_RESTART;
528: sigact.sa_handler = SIG_IGN;
529: if (sigaction(SIGINT, &sigact, NULL) != 0)
530: fatal("sigaction failed");
531: if (sigaction(SIGPIPE, &sigact, NULL) != 0)
532: fatal("sigaction failed");
533: if (sigaction(SIGUSR1, &sigact, NULL) != 0)
534: fatal("sigaction failed");
535: if (sigaction(SIGUSR2, &sigact, NULL) != 0)
536: fatal("sigaction failed");
537: if (sigaction(SIGTSTP, &sigact, NULL) != 0)
538: fatal("sigaction failed");
1.62 nicm 539:
1.55 nicm 540: signal_set(&main_ev_sigterm, SIGTERM, main_signal, NULL);
541: signal_add(&main_ev_sigterm, NULL);
542: }
543:
544: void
545: main_clear_signals(void)
546: {
547: struct sigaction sigact;
548:
549: memset(&sigact, 0, sizeof sigact);
550: sigemptyset(&sigact.sa_mask);
551: sigact.sa_flags = SA_RESTART;
552: sigact.sa_handler = SIG_DFL;
553: if (sigaction(SIGINT, &sigact, NULL) != 0)
554: fatal("sigaction failed");
555: if (sigaction(SIGPIPE, &sigact, NULL) != 0)
556: fatal("sigaction failed");
557: if (sigaction(SIGUSR1, &sigact, NULL) != 0)
558: fatal("sigaction failed");
559: if (sigaction(SIGUSR2, &sigact, NULL) != 0)
560: fatal("sigaction failed");
561: if (sigaction(SIGTSTP, &sigact, NULL) != 0)
562: fatal("sigaction failed");
1.62 nicm 563:
1.55 nicm 564: event_del(&main_ev_sigterm);
565: }
1.31 nicm 566:
1.61 nicm 567: /* ARGSUSED */
1.55 nicm 568: void
569: main_signal(int sig, unused short events, unused void *data)
570: {
571: switch (sig) {
572: case SIGTERM:
573: exit(1);
1.31 nicm 574: }
1.55 nicm 575: }
1.31 nicm 576:
1.61 nicm 577: /* ARGSUSED */
1.55 nicm 578: void
579: main_callback(unused int fd, short events, void *data)
580: {
581: char *shellcmd = data;
582:
583: if (events & EV_READ)
584: main_dispatch(shellcmd);
1.62 nicm 585:
1.55 nicm 586: if (events & EV_WRITE) {
587: if (msgbuf_write(&main_ibuf->w) < 0)
588: fatalx("msgbuf_write failed");
589: }
1.31 nicm 590:
1.55 nicm 591: events = EV_READ;
592: if (main_ibuf->w.queued > 0)
593: events |= EV_WRITE;
594: event_once(main_ibuf->fd, events, main_callback, shellcmd, NULL);
1.31 nicm 595: }
596:
1.55 nicm 597: void
598: main_dispatch(const char *shellcmd)
1.31 nicm 599: {
600: struct imsg imsg;
601: ssize_t n, datalen;
602: struct msg_print_data printdata;
1.46 nicm 603: struct msg_shell_data shelldata;
1.1 nicm 604:
1.55 nicm 605: if ((n = imsg_read(main_ibuf)) == -1 || n == 0)
1.31 nicm 606: fatalx("imsg_read failed");
1.1 nicm 607:
1.31 nicm 608: for (;;) {
1.55 nicm 609: if ((n = imsg_get(main_ibuf, &imsg)) == -1)
1.31 nicm 610: fatalx("imsg_get failed");
611: if (n == 0)
1.55 nicm 612: return;
1.31 nicm 613: datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 614:
1.31 nicm 615: switch (imsg.hdr.type) {
1.1 nicm 616: case MSG_EXIT:
617: case MSG_SHUTDOWN:
1.31 nicm 618: if (datalen != 0)
619: fatalx("bad MSG_EXIT size");
620:
1.55 nicm 621: exit(main_exitval);
1.1 nicm 622: case MSG_ERROR:
623: case MSG_PRINT:
1.31 nicm 624: if (datalen != sizeof printdata)
1.1 nicm 625: fatalx("bad MSG_PRINT size");
1.31 nicm 626: memcpy(&printdata, imsg.data, sizeof printdata);
627: printdata.msg[(sizeof printdata.msg) - 1] = '\0';
1.21 nicm 628:
629: log_info("%s", printdata.msg);
1.55 nicm 630: if (imsg.hdr.type == MSG_ERROR)
631: main_exitval = 1;
1.31 nicm 632: break;
1.1 nicm 633: case MSG_READY:
1.31 nicm 634: if (datalen != 0)
635: fatalx("bad MSG_READY size");
636:
1.55 nicm 637: event_loopexit(NULL); /* move to client_main() */
638: break;
1.31 nicm 639: case MSG_VERSION:
640: if (datalen != 0)
641: fatalx("bad MSG_VERSION size");
642:
643: log_warnx("protocol version mismatch (client %u, "
644: "server %u)", PROTOCOL_VERSION, imsg.hdr.peerid);
1.55 nicm 645: exit(1);
1.46 nicm 646: case MSG_SHELL:
647: if (datalen != sizeof shelldata)
648: fatalx("bad MSG_SHELL size");
649: memcpy(&shelldata, imsg.data, sizeof shelldata);
650: shelldata.shell[(sizeof shelldata.shell) - 1] = '\0';
1.55 nicm 651:
652: main_clear_signals();
653:
1.46 nicm 654: shell_exec(shelldata.shell, shellcmd);
1.1 nicm 655: default:
1.31 nicm 656: fatalx("unexpected message");
1.1 nicm 657: }
1.31 nicm 658:
659: imsg_free(&imsg);
1.1 nicm 660: }
661: }
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