Annotation of src/usr.bin/tmux/tmux.c, Revision 1.55
1.55 ! nicm 1: /* $OpenBSD: tmux.c,v 1.54 2009/11/04 12:41:43 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;
1.12 nicm 39: struct options global_s_options; /* session options */
40: struct options global_w_options; /* window options */
1.29 nicm 41: struct environ global_environ;
1.1 nicm 42:
43: int debug_level;
44: int be_quiet;
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;
222: struct cmd *cmd;
223: enum msgtype msg;
224: struct passwd *pw;
225: struct options *so, *wo;
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;
1.55 ! nicm 232: int opt, flags, cmdflags = 0;
! 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':
271: be_quiet = 1;
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);
314: for (var = environ; *var != NULL; var++)
315: environ_put(&global_environ, *var);
316:
1.12 nicm 317: options_init(&global_s_options, NULL);
1.42 nicm 318: so = &global_s_options;
319: options_set_number(so, "base-index", 0);
320: options_set_number(so, "bell-action", BELL_ANY);
321: options_set_number(so, "buffer-limit", 9);
322: options_set_string(so, "default-command", "%s", "");
323: options_set_string(so, "default-shell", "%s", getshell());
324: options_set_string(so, "default-terminal", "screen");
325: options_set_number(so, "display-panes-colour", 4);
326: options_set_number(so, "display-panes-time", 1000);
327: options_set_number(so, "display-time", 750);
328: options_set_number(so, "history-limit", 2000);
329: options_set_number(so, "lock-after-time", 0);
1.45 nicm 330: options_set_string(so, "lock-command", "lock -np");
1.48 nicm 331: options_set_number(so, "lock-server", 1);
1.42 nicm 332: options_set_number(so, "message-attr", 0);
333: options_set_number(so, "message-bg", 3);
334: options_set_number(so, "message-fg", 0);
1.49 nicm 335: options_set_number(so, "mouse-select-pane", 0);
1.42 nicm 336: options_set_number(so, "repeat-time", 500);
337: options_set_number(so, "set-remain-on-exit", 0);
338: options_set_number(so, "set-titles", 0);
1.43 nicm 339: options_set_string(so, "set-titles-string", "#S:#I:#W - \"#T\"");
1.42 nicm 340: options_set_number(so, "status", 1);
341: options_set_number(so, "status-attr", 0);
342: options_set_number(so, "status-bg", 2);
343: options_set_number(so, "status-fg", 0);
344: options_set_number(so, "status-interval", 15);
345: options_set_number(so, "status-justify", 0);
346: options_set_number(so, "status-keys", MODEKEY_EMACS);
347: options_set_string(so, "status-left", "[#S]");
348: options_set_number(so, "status-left-attr", 0);
349: options_set_number(so, "status-left-bg", 8);
350: options_set_number(so, "status-left-fg", 8);
351: options_set_number(so, "status-left-length", 10);
352: options_set_string(so, "status-right", "\"#22T\" %%H:%%M %%d-%%b-%%y");
353: options_set_number(so, "status-right-attr", 0);
354: options_set_number(so, "status-right-bg", 8);
355: options_set_number(so, "status-right-fg", 8);
356: options_set_number(so, "status-right-length", 40);
357: options_set_string(so, "terminal-overrides",
358: "*88col*:colors=88,*256col*:colors=256");
359: options_set_string(so, "update-environment", "DISPLAY "
1.35 nicm 360: "WINDOWID SSH_ASKPASS SSH_AUTH_SOCK SSH_AGENT_PID SSH_CONNECTION");
1.42 nicm 361: options_set_number(so, "visual-activity", 0);
362: options_set_number(so, "visual-bell", 0);
363: options_set_number(so, "visual-content", 0);
1.44 nicm 364:
365: keylist = xmalloc(sizeof *keylist);
366: ARRAY_INIT(keylist);
367: ARRAY_ADD(keylist, '\002');
368: options_set_data(so, "prefix", keylist, xfree);
1.1 nicm 369:
1.12 nicm 370: options_init(&global_w_options, NULL);
1.42 nicm 371: wo = &global_w_options;
372: options_set_number(wo, "aggressive-resize", 0);
373: options_set_number(wo, "automatic-rename", 1);
374: options_set_number(wo, "clock-mode-colour", 4);
375: options_set_number(wo, "clock-mode-style", 1);
376: options_set_number(wo, "force-height", 0);
377: options_set_number(wo, "force-width", 0);
378: options_set_number(wo, "main-pane-height", 24);
379: options_set_number(wo, "main-pane-width", 81);
380: options_set_number(wo, "mode-attr", 0);
381: options_set_number(wo, "mode-bg", 3);
382: options_set_number(wo, "mode-fg", 0);
383: options_set_number(wo, "mode-keys", MODEKEY_EMACS);
384: options_set_number(wo, "mode-mouse", 0);
385: options_set_number(wo, "monitor-activity", 0);
386: options_set_string(wo, "monitor-content", "%s", "");
387: options_set_number(wo, "window-status-attr", 0);
388: options_set_number(wo, "window-status-bg", 8);
389: options_set_number(wo, "window-status-current-attr", 0);
390: options_set_number(wo, "window-status-current-bg", 8);
391: options_set_number(wo, "window-status-current-fg", 8);
392: options_set_number(wo, "window-status-fg", 8);
393: options_set_number(wo, "xterm-keys", 0);
394: options_set_number(wo, "remain-on-exit", 0);
1.47 nicm 395: options_set_number(wo, "synchronize-panes", 0);
1.42 nicm 396:
397: if (flags & IDENTIFY_UTF8) {
398: options_set_number(so, "status-utf8", 1);
399: options_set_number(wo, "utf8", 1);
400: } else {
401: options_set_number(so, "status-utf8", 0);
402: options_set_number(wo, "utf8", 0);
403: }
404:
405: if (getcwd(cwd, sizeof cwd) == NULL) {
406: pw = getpwuid(getuid());
407: if (pw->pw_dir != NULL && *pw->pw_dir != '\0')
408: strlcpy(cwd, pw->pw_dir, sizeof cwd);
409: else
410: strlcpy(cwd, "/", sizeof cwd);
411: }
412: options_set_string(so, "default-path", "%s", cwd);
1.1 nicm 413:
414: if (cfg_file == NULL) {
415: home = getenv("HOME");
416: if (home == NULL || *home == '\0') {
417: pw = getpwuid(getuid());
418: if (pw != NULL)
419: home = pw->pw_dir;
420: }
421: xasprintf(&cfg_file, "%s/%s", home, DEFAULT_CFG);
422: if (access(cfg_file, R_OK) != 0) {
423: xfree(cfg_file);
424: cfg_file = NULL;
425: }
426: } else {
427: if (access(cfg_file, R_OK) != 0) {
428: log_warn("%s", cfg_file);
429: exit(1);
430: }
431: }
1.21 nicm 432:
1.1 nicm 433: if (label == NULL)
434: label = xstrdup("default");
435: if (path == NULL && (path = makesockpath(label)) == NULL) {
436: log_warn("can't create socket");
437: exit(1);
438: }
439: xfree(label);
440:
1.46 nicm 441: if (shellcmd != NULL) {
442: msg = MSG_SHELL;
443: buf = NULL;
444: len = 0;
1.51 nicm 445: } else {
446: fill_session(&cmddata);
447:
448: cmddata.argc = argc;
449: if (cmd_pack_argv(
450: argc, argv, cmddata.argv, sizeof cmddata.argv) != 0) {
451: log_warnx("command too long");
452: exit(1);
453: }
454:
455: msg = MSG_COMMAND;
456: buf = &cmddata;
457: len = sizeof cmddata;
458: }
1.21 nicm 459:
1.46 nicm 460: if (shellcmd != NULL)
461: cmdflags |= CMD_STARTSERVER;
462: else if (argc == 0) /* new-session is the default */
1.30 nicm 463: cmdflags |= CMD_STARTSERVER|CMD_SENDENVIRON;
1.21 nicm 464: else {
465: /*
466: * It sucks parsing the command string twice (in client and
467: * later in server) but it is necessary to get the start server
468: * flag.
469: */
470: if ((cmdlist = cmd_list_parse(argc, argv, &cause)) == NULL) {
471: log_warnx("%s", cause);
472: exit(1);
1.1 nicm 473: }
1.21 nicm 474: cmdflags &= ~CMD_STARTSERVER;
1.1 nicm 475: TAILQ_FOREACH(cmd, cmdlist, qentry) {
1.29 nicm 476: if (cmd->entry->flags & CMD_STARTSERVER)
1.20 nicm 477: cmdflags |= CMD_STARTSERVER;
1.29 nicm 478: if (cmd->entry->flags & CMD_SENDENVIRON)
479: cmdflags |= CMD_SENDENVIRON;
1.1 nicm 480: }
1.21 nicm 481: cmd_list_free(cmdlist);
1.1 nicm 482: }
483:
1.55 ! nicm 484: if ((main_ibuf = client_init(path, cmdflags, flags)) == NULL)
1.1 nicm 485: exit(1);
486: xfree(path);
487:
1.55 ! nicm 488: event_init();
! 489:
! 490: imsg_compose(main_ibuf, msg, PROTOCOL_VERSION, -1, -1, buf, len);
! 491:
! 492: main_set_signals();
! 493:
! 494: events = EV_READ;
! 495: if (main_ibuf->w.queued > 0)
! 496: events |= EV_WRITE;
! 497: event_once(main_ibuf->fd, events, main_callback, shellcmd, NULL);
! 498:
! 499: main_exitval = 0;
! 500: event_dispatch();
1.1 nicm 501:
1.55 ! nicm 502: main_clear_signals();
! 503:
! 504: client_main(); /* doesn't return */
! 505: }
1.31 nicm 506:
507:
1.55 ! nicm 508: void
! 509: main_set_signals(void)
! 510: {
! 511: struct sigaction sigact;
! 512:
! 513: memset(&sigact, 0, sizeof sigact);
! 514: sigemptyset(&sigact.sa_mask);
! 515: sigact.sa_flags = SA_RESTART;
! 516: sigact.sa_handler = SIG_IGN;
! 517: if (sigaction(SIGINT, &sigact, NULL) != 0)
! 518: fatal("sigaction failed");
! 519: if (sigaction(SIGPIPE, &sigact, NULL) != 0)
! 520: fatal("sigaction failed");
! 521: if (sigaction(SIGUSR1, &sigact, NULL) != 0)
! 522: fatal("sigaction failed");
! 523: if (sigaction(SIGUSR2, &sigact, NULL) != 0)
! 524: fatal("sigaction failed");
! 525: if (sigaction(SIGTSTP, &sigact, NULL) != 0)
! 526: fatal("sigaction failed");
! 527:
! 528: signal_set(&main_ev_sigterm, SIGTERM, main_signal, NULL);
! 529: signal_add(&main_ev_sigterm, NULL);
! 530: }
! 531:
! 532: void
! 533: main_clear_signals(void)
! 534: {
! 535: struct sigaction sigact;
! 536:
! 537: memset(&sigact, 0, sizeof sigact);
! 538: sigemptyset(&sigact.sa_mask);
! 539: sigact.sa_flags = SA_RESTART;
! 540: sigact.sa_handler = SIG_DFL;
! 541: if (sigaction(SIGINT, &sigact, NULL) != 0)
! 542: fatal("sigaction failed");
! 543: if (sigaction(SIGPIPE, &sigact, NULL) != 0)
! 544: fatal("sigaction failed");
! 545: if (sigaction(SIGUSR1, &sigact, NULL) != 0)
! 546: fatal("sigaction failed");
! 547: if (sigaction(SIGUSR2, &sigact, NULL) != 0)
! 548: fatal("sigaction failed");
! 549: if (sigaction(SIGTSTP, &sigact, NULL) != 0)
! 550: fatal("sigaction failed");
! 551:
! 552: event_del(&main_ev_sigterm);
! 553: }
1.31 nicm 554:
1.55 ! nicm 555: void
! 556: main_signal(int sig, unused short events, unused void *data)
! 557: {
! 558: switch (sig) {
! 559: case SIGTERM:
! 560: exit(1);
1.31 nicm 561: }
1.55 ! nicm 562: }
1.31 nicm 563:
1.55 ! nicm 564: void
! 565: main_callback(unused int fd, short events, void *data)
! 566: {
! 567: char *shellcmd = data;
! 568:
! 569: if (events & EV_READ)
! 570: main_dispatch(shellcmd);
! 571:
! 572: if (events & EV_WRITE) {
! 573: if (msgbuf_write(&main_ibuf->w) < 0)
! 574: fatalx("msgbuf_write failed");
! 575: }
1.31 nicm 576:
1.55 ! nicm 577: events = EV_READ;
! 578: if (main_ibuf->w.queued > 0)
! 579: events |= EV_WRITE;
! 580: event_once(main_ibuf->fd, events, main_callback, shellcmd, NULL);
1.31 nicm 581: }
582:
1.55 ! nicm 583: void
! 584: main_dispatch(const char *shellcmd)
1.31 nicm 585: {
586: struct imsg imsg;
587: ssize_t n, datalen;
588: struct msg_print_data printdata;
1.46 nicm 589: struct msg_shell_data shelldata;
1.1 nicm 590:
1.55 ! nicm 591: if ((n = imsg_read(main_ibuf)) == -1 || n == 0)
1.31 nicm 592: fatalx("imsg_read failed");
1.1 nicm 593:
1.31 nicm 594: for (;;) {
1.55 ! nicm 595: if ((n = imsg_get(main_ibuf, &imsg)) == -1)
1.31 nicm 596: fatalx("imsg_get failed");
597: if (n == 0)
1.55 ! nicm 598: return;
1.31 nicm 599: datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 600:
1.31 nicm 601: switch (imsg.hdr.type) {
1.1 nicm 602: case MSG_EXIT:
603: case MSG_SHUTDOWN:
1.31 nicm 604: if (datalen != 0)
605: fatalx("bad MSG_EXIT size");
606:
1.55 ! nicm 607: exit(main_exitval);
1.1 nicm 608: case MSG_ERROR:
609: case MSG_PRINT:
1.31 nicm 610: if (datalen != sizeof printdata)
1.1 nicm 611: fatalx("bad MSG_PRINT size");
1.31 nicm 612: memcpy(&printdata, imsg.data, sizeof printdata);
613: printdata.msg[(sizeof printdata.msg) - 1] = '\0';
1.21 nicm 614:
615: log_info("%s", printdata.msg);
1.55 ! nicm 616: if (imsg.hdr.type == MSG_ERROR)
! 617: main_exitval = 1;
1.31 nicm 618: break;
1.1 nicm 619: case MSG_READY:
1.31 nicm 620: if (datalen != 0)
621: fatalx("bad MSG_READY size");
622:
1.55 ! nicm 623: event_loopexit(NULL); /* move to client_main() */
! 624: break;
1.31 nicm 625: case MSG_VERSION:
626: if (datalen != 0)
627: fatalx("bad MSG_VERSION size");
628:
629: log_warnx("protocol version mismatch (client %u, "
630: "server %u)", PROTOCOL_VERSION, imsg.hdr.peerid);
1.55 ! nicm 631: exit(1);
1.46 nicm 632: case MSG_SHELL:
633: if (datalen != sizeof shelldata)
634: fatalx("bad MSG_SHELL size");
635: memcpy(&shelldata, imsg.data, sizeof shelldata);
636: shelldata.shell[(sizeof shelldata.shell) - 1] = '\0';
1.55 ! nicm 637:
! 638: main_clear_signals();
! 639:
1.46 nicm 640: shell_exec(shelldata.shell, shellcmd);
1.1 nicm 641: default:
1.31 nicm 642: fatalx("unexpected message");
1.1 nicm 643: }
1.31 nicm 644:
645: imsg_free(&imsg);
1.1 nicm 646: }
647: }
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