Annotation of src/usr.bin/tmux/server-client.c, Revision 1.148
1.148 ! nicm 1: /* $OpenBSD: server-client.c,v 1.147 2015/07/29 11:56:02 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2009 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>
1.92 nicm 20: #include <sys/ioctl.h>
1.1 nicm 21:
1.114 benno 22: #include <errno.h>
1.12 nicm 23: #include <event.h>
1.1 nicm 24: #include <fcntl.h>
1.98 nicm 25: #include <paths.h>
26: #include <stdlib.h>
1.1 nicm 27: #include <string.h>
1.4 nicm 28: #include <time.h>
1.1 nicm 29: #include <unistd.h>
30:
31: #include "tmux.h"
32:
1.132 nicm 33: void server_client_key_table(struct client *, const char *);
1.141 nicm 34: void server_client_free(int, short, void *);
1.91 nicm 35: void server_client_check_focus(struct window_pane *);
1.92 nicm 36: void server_client_check_resize(struct window_pane *);
1.131 nicm 37: int server_client_check_mouse(struct client *);
1.17 nicm 38: void server_client_repeat_timer(int, short, void *);
1.36 nicm 39: void server_client_check_exit(struct client *);
1.1 nicm 40: void server_client_check_redraw(struct client *);
41: void server_client_set_title(struct client *);
1.18 nicm 42: void server_client_reset_state(struct client *);
1.82 nicm 43: int server_client_assume_paste(struct session *);
1.1 nicm 44:
45: int server_client_msg_dispatch(struct client *);
1.108 nicm 46: void server_client_msg_command(struct client *, struct imsg *);
1.109 nicm 47: void server_client_msg_identify(struct client *, struct imsg *);
1.1 nicm 48: void server_client_msg_shell(struct client *);
1.140 nicm 49:
50: /* Check if this client is inside this server. */
51: int
52: server_client_check_nested(struct client *c)
53: {
54: struct environ_entry *envent;
55: struct window_pane *wp;
56:
57: if (c->tty.path == NULL)
58: return (0);
59:
60: envent = environ_find(&c->environ, "TMUX");
61: if (envent == NULL || *envent->value == '\0')
62: return (0);
63:
64: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
65: if (strcmp(wp->tty, c->tty.path) == 0)
66: return (1);
67: }
68: return (0);
69: }
1.1 nicm 70:
1.132 nicm 71: /* Set client key table. */
72: void
73: server_client_key_table(struct client *c, const char *name)
74: {
75: key_bindings_unref_table(c->keytable);
76: c->keytable = key_bindings_get_table(name, 1);
77: c->keytable->references++;
78: }
79:
1.1 nicm 80: /* Create a new client. */
81: void
82: server_client_create(int fd)
83: {
84: struct client *c;
85:
1.49 nicm 86: setblocking(fd, 0);
1.1 nicm 87:
88: c = xcalloc(1, sizeof *c);
1.141 nicm 89: c->references = 1;
1.1 nicm 90: imsg_init(&c->ibuf, fd);
1.14 nicm 91: server_update_event(c);
1.25 nicm 92:
1.10 nicm 93: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 94: fatal("gettimeofday failed");
1.11 nicm 95: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 96:
97: environ_init(&c->environ);
1.1 nicm 98:
1.146 nicm 99: c->fd = -1;
1.145 nicm 100: c->cwd = -1;
101:
1.94 nicm 102: c->cmdq = cmdq_new(c);
103: c->cmdq->client_exit = 1;
104:
1.116 nicm 105: c->stdin_data = evbuffer_new();
106: c->stdout_data = evbuffer_new();
107: c->stderr_data = evbuffer_new();
1.33 nicm 108:
1.1 nicm 109: c->tty.fd = -1;
110: c->title = NULL;
111:
112: c->session = NULL;
1.45 nicm 113: c->last_session = NULL;
1.1 nicm 114: c->tty.sx = 80;
115: c->tty.sy = 24;
116:
117: screen_init(&c->status, c->tty.sx, 1, 0);
118:
119: c->message_string = NULL;
1.136 nicm 120: TAILQ_INIT(&c->message_log);
1.1 nicm 121:
122: c->prompt_string = NULL;
123: c->prompt_buffer = NULL;
124: c->prompt_index = 0;
125:
1.93 nicm 126: c->flags |= CLIENT_FOCUSED;
127:
1.132 nicm 128: c->keytable = key_bindings_get_table("root", 1);
129: c->keytable->references++;
130:
1.17 nicm 131: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
132:
1.135 nicm 133: TAILQ_INSERT_TAIL(&clients, c, entry);
1.1 nicm 134: log_debug("new client %d", fd);
1.72 nicm 135: }
136:
137: /* Open client terminal if needed. */
138: int
1.119 nicm 139: server_client_open(struct client *c, char **cause)
1.72 nicm 140: {
1.75 nicm 141: if (c->flags & CLIENT_CONTROL)
142: return (0);
1.120 nicm 143:
144: if (strcmp(c->ttyname, "/dev/tty") == 0) {
145: *cause = xstrdup("can't use /dev/tty");
146: return (-1);
147: }
1.75 nicm 148:
1.72 nicm 149: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 150: *cause = xstrdup("not a terminal");
1.72 nicm 151: return (-1);
152: }
153:
1.119 nicm 154: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 155: return (-1);
156:
157: return (0);
1.1 nicm 158: }
159:
160: /* Lost a client. */
161: void
162: server_client_lost(struct client *c)
163: {
1.136 nicm 164: struct message_entry *msg, *msg1;
1.1 nicm 165:
1.141 nicm 166: c->flags |= CLIENT_DEAD;
167:
168: status_prompt_clear(c);
169: status_message_clear(c);
170:
171: if (c->stdin_callback != NULL)
172: c->stdin_callback(c, 1, c->stdin_callback_data);
173:
1.135 nicm 174: TAILQ_REMOVE(&clients, c, entry);
1.1 nicm 175: log_debug("lost client %d", c->ibuf.fd);
176:
177: /*
178: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
179: * and tty_free might close an unrelated fd.
180: */
181: if (c->flags & CLIENT_TERMINAL)
182: tty_free(&c->tty);
1.109 nicm 183: free(c->ttyname);
184: free(c->term);
1.1 nicm 185:
1.113 nicm 186: evbuffer_free(c->stdin_data);
187: evbuffer_free(c->stdout_data);
1.97 nicm 188: if (c->stderr_data != c->stdout_data)
1.126 nicm 189: evbuffer_free(c->stderr_data);
1.33 nicm 190:
1.148 ! nicm 191: if (event_initialized(&c->status_timer))
! 192: evtimer_del(&c->status_timer);
1.1 nicm 193: screen_free(&c->status);
194:
1.77 nicm 195: free(c->title);
1.109 nicm 196: close(c->cwd);
1.1 nicm 197:
1.17 nicm 198: evtimer_del(&c->repeat_timer);
199:
1.132 nicm 200: key_bindings_unref_table(c->keytable);
201:
1.69 nicm 202: if (event_initialized(&c->identify_timer))
203: evtimer_del(&c->identify_timer);
1.15 nicm 204:
1.77 nicm 205: free(c->message_string);
1.116 nicm 206: if (event_initialized(&c->message_timer))
1.69 nicm 207: evtimer_del(&c->message_timer);
1.136 nicm 208: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 209: free(msg->msg);
1.136 nicm 210: TAILQ_REMOVE(&c->message_log, msg, entry);
211: free(msg);
1.21 nicm 212: }
1.1 nicm 213:
1.77 nicm 214: free(c->prompt_string);
215: free(c->prompt_buffer);
1.61 nicm 216:
1.94 nicm 217: c->cmdq->dead = 1;
218: cmdq_free(c->cmdq);
219: c->cmdq = NULL;
220:
1.61 nicm 221: environ_free(&c->environ);
1.1 nicm 222:
223: close(c->ibuf.fd);
224: imsg_clear(&c->ibuf);
1.69 nicm 225: if (event_initialized(&c->event))
226: event_del(&c->event);
1.13 nicm 227:
1.142 nicm 228: server_client_unref(c);
1.71 nicm 229:
230: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 231:
232: recalculate_sizes();
1.41 nicm 233: server_check_unattached();
1.19 nicm 234: server_update_socket();
1.141 nicm 235: }
236:
237: /* Remove reference from a client. */
238: void
1.142 nicm 239: server_client_unref(struct client *c)
1.141 nicm 240: {
1.142 nicm 241: log_debug("unref client %d (%d references)", c->ibuf.fd, c->references);
1.141 nicm 242:
243: c->references--;
244: if (c->references == 0)
245: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
246: }
247:
248: /* Free dead client. */
249: void
250: server_client_free(unused int fd, unused short events, void *arg)
251: {
252: struct client *c = arg;
253:
254: log_debug("free client %d (%d references)", c->ibuf.fd, c->references);
255:
256: if (c->references == 0)
257: free(c);
1.9 nicm 258: }
259:
1.1 nicm 260: /* Process a single client event. */
261: void
1.12 nicm 262: server_client_callback(int fd, short events, void *data)
1.1 nicm 263: {
264: struct client *c = data;
1.7 nicm 265:
266: if (c->flags & CLIENT_DEAD)
267: return;
1.1 nicm 268:
269: if (fd == c->ibuf.fd) {
1.122 krw 270: if (events & EV_WRITE && msgbuf_write(&c->ibuf.w) <= 0 &&
1.114 benno 271: errno != EAGAIN)
1.1 nicm 272: goto client_lost;
273:
274: if (c->flags & CLIENT_BAD) {
275: if (c->ibuf.w.queued == 0)
276: goto client_lost;
277: return;
278: }
279:
1.12 nicm 280: if (events & EV_READ && server_client_msg_dispatch(c) != 0)
1.1 nicm 281: goto client_lost;
282: }
1.14 nicm 283:
1.73 nicm 284: server_push_stdout(c);
285: server_push_stderr(c);
286:
1.25 nicm 287: server_update_event(c);
1.1 nicm 288: return;
289:
290: client_lost:
291: server_client_lost(c);
1.16 nicm 292: }
293:
1.66 nicm 294: /* Check for mouse keys. */
1.131 nicm 295: int
296: server_client_check_mouse(struct client *c)
1.66 nicm 297: {
1.131 nicm 298: struct session *s = c->session;
299: struct mouse_event *m = &c->tty.mouse;
300: struct window *w;
301: struct window_pane *wp;
302: enum { NOTYPE, DOWN, UP, DRAG, WHEEL } type = NOTYPE;
303: enum { NOWHERE, PANE, STATUS, BORDER } where = NOWHERE;
304: u_int x, y, b;
305: int key;
306:
307: log_debug("mouse %02x at %u,%u (last %u,%u) (%d)", m->b, m->x, m->y,
308: m->lx, m->ly, c->tty.mouse_drag_flag);
309:
310: /* What type of event is this? */
311: if (MOUSE_DRAG(m->b)) {
312: type = DRAG;
313: if (c->tty.mouse_drag_flag) {
314: x = m->x, y = m->y, b = m->b;
315: log_debug("drag update at %u,%u", x, y);
316: } else {
317: x = m->lx, y = m->ly, b = m->lb;
318: log_debug("drag start at %u,%u", x, y);
319: }
320: } else if (MOUSE_WHEEL(m->b)) {
321: type = WHEEL;
322: x = m->x, y = m->y, b = m->b;
323: log_debug("wheel at %u,%u", x, y);
324: } else if (MOUSE_BUTTONS(m->b) == 3) {
325: type = UP;
326: x = m->x, y = m->y, b = m->lb;
327: log_debug("up at %u,%u", x, y);
328: } else {
329: type = DOWN;
330: x = m->x, y = m->y, b = m->b;
331: log_debug("down at %u,%u", x, y);
332: }
333: if (type == NOTYPE)
334: return (KEYC_NONE);
335:
336: /* Always save the session. */
337: m->s = s->id;
338:
339: /* Is this on the status line? */
340: m->statusat = status_at_line(c);
341: if (m->statusat != -1 && y == (u_int)m->statusat) {
342: w = status_get_window_at(c, x);
343: if (w == NULL)
344: return (KEYC_NONE);
345: m->w = w->id;
346: where = STATUS;
347: } else
348: m->w = -1;
349:
350: /* Not on status line. Adjust position and check for border or pane. */
351: if (where == NOWHERE) {
352: if (m->statusat == 0 && y > 0)
353: y--;
354: else if (m->statusat > 0 && y >= (u_int)m->statusat)
355: y = m->statusat - 1;
356:
357: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
358: if ((wp->xoff + wp->sx == x &&
359: wp->yoff <= 1 + y &&
360: wp->yoff + wp->sy >= y) ||
361: (wp->yoff + wp->sy == y &&
362: wp->xoff <= 1 + x &&
363: wp->xoff + wp->sx >= x))
364: break;
365: }
366: if (wp != NULL)
367: where = BORDER;
368: else {
369: wp = window_get_active_at(s->curw->window, x, y);
370: if (wp != NULL)
371: where = PANE;
372: }
373: if (where == NOWHERE)
374: return (KEYC_NONE);
375: m->wp = wp->id;
376: m->w = wp->window->id;
377: } else
378: m->wp = -1;
379:
380: /* Stop dragging if needed. */
381: if (type != DRAG && c->tty.mouse_drag_flag) {
382: if (c->tty.mouse_drag_release != NULL)
383: c->tty.mouse_drag_release(c, m);
384:
385: c->tty.mouse_drag_update = NULL;
386: c->tty.mouse_drag_release = NULL;
387:
388: c->tty.mouse_drag_flag = 0;
1.133 nicm 389: return (KEYC_MOUSE); /* not a key, but still may want to pass */
1.131 nicm 390: }
391:
392: /* Convert to a key binding. */
393: key = KEYC_NONE;
394: switch (type) {
395: case NOTYPE:
396: break;
397: case DRAG:
398: if (c->tty.mouse_drag_update != NULL)
399: c->tty.mouse_drag_update(c, m);
400: else {
401: switch (MOUSE_BUTTONS(b)) {
402: case 0:
403: if (where == PANE)
404: key = KEYC_MOUSEDRAG1_PANE;
405: if (where == STATUS)
406: key = KEYC_MOUSEDRAG1_STATUS;
407: if (where == BORDER)
408: key = KEYC_MOUSEDRAG1_BORDER;
409: break;
410: case 1:
411: if (where == PANE)
412: key = KEYC_MOUSEDRAG2_PANE;
413: if (where == STATUS)
414: key = KEYC_MOUSEDRAG2_STATUS;
415: if (where == BORDER)
416: key = KEYC_MOUSEDRAG2_BORDER;
417: break;
418: case 2:
419: if (where == PANE)
420: key = KEYC_MOUSEDRAG3_PANE;
421: if (where == STATUS)
422: key = KEYC_MOUSEDRAG3_STATUS;
423: if (where == BORDER)
424: key = KEYC_MOUSEDRAG3_BORDER;
425: break;
426: }
427: }
1.66 nicm 428:
1.131 nicm 429: c->tty.mouse_drag_flag = 1;
430: break;
431: case WHEEL:
432: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
433: if (where == PANE)
434: key = KEYC_WHEELUP_PANE;
435: if (where == STATUS)
436: key = KEYC_WHEELUP_STATUS;
437: if (where == BORDER)
438: key = KEYC_WHEELUP_BORDER;
439: } else {
440: if (where == PANE)
441: key = KEYC_WHEELDOWN_PANE;
442: if (where == STATUS)
443: key = KEYC_WHEELDOWN_STATUS;
444: if (where == BORDER)
445: key = KEYC_WHEELDOWN_BORDER;
446: }
447: break;
448: case UP:
449: switch (MOUSE_BUTTONS(b)) {
450: case 0:
451: if (where == PANE)
452: key = KEYC_MOUSEUP1_PANE;
453: if (where == STATUS)
454: key = KEYC_MOUSEUP1_STATUS;
455: if (where == BORDER)
456: key = KEYC_MOUSEUP1_BORDER;
457: break;
458: case 1:
459: if (where == PANE)
460: key = KEYC_MOUSEUP2_PANE;
461: if (where == STATUS)
462: key = KEYC_MOUSEUP2_STATUS;
463: if (where == BORDER)
464: key = KEYC_MOUSEUP2_BORDER;
465: break;
466: case 2:
467: if (where == PANE)
468: key = KEYC_MOUSEUP3_PANE;
469: if (where == STATUS)
470: key = KEYC_MOUSEUP3_STATUS;
471: if (where == BORDER)
472: key = KEYC_MOUSEUP3_BORDER;
473: break;
474: }
475: break;
476: case DOWN:
477: switch (MOUSE_BUTTONS(b)) {
478: case 0:
479: if (where == PANE)
480: key = KEYC_MOUSEDOWN1_PANE;
481: if (where == STATUS)
482: key = KEYC_MOUSEDOWN1_STATUS;
483: if (where == BORDER)
484: key = KEYC_MOUSEDOWN1_BORDER;
485: break;
486: case 1:
487: if (where == PANE)
488: key = KEYC_MOUSEDOWN2_PANE;
489: if (where == STATUS)
490: key = KEYC_MOUSEDOWN2_STATUS;
491: if (where == BORDER)
492: key = KEYC_MOUSEDOWN2_BORDER;
493: break;
494: case 2:
495: if (where == PANE)
496: key = KEYC_MOUSEDOWN3_PANE;
497: if (where == STATUS)
498: key = KEYC_MOUSEDOWN3_STATUS;
499: if (where == BORDER)
500: key = KEYC_MOUSEDOWN3_BORDER;
501: break;
1.66 nicm 502: }
1.131 nicm 503: break;
1.66 nicm 504: }
1.131 nicm 505: if (key == KEYC_NONE)
506: return (KEYC_NONE);
1.66 nicm 507:
1.131 nicm 508: /* Apply modifiers if any. */
509: if (b & MOUSE_MASK_META)
510: key |= KEYC_ESCAPE;
511: if (b & MOUSE_MASK_CTRL)
512: key |= KEYC_CTRL;
513: if (b & MOUSE_MASK_SHIFT)
514: key |= KEYC_SHIFT;
1.66 nicm 515:
1.131 nicm 516: return (key);
1.66 nicm 517: }
518:
1.82 nicm 519: /* Is this fast enough to probably be a paste? */
520: int
521: server_client_assume_paste(struct session *s)
522: {
523: struct timeval tv;
1.84 nicm 524: int t;
1.82 nicm 525:
526: if ((t = options_get_number(&s->options, "assume-paste-time")) == 0)
1.83 nicm 527: return (0);
1.82 nicm 528:
529: timersub(&s->activity_time, &s->last_activity_time, &tv);
530: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000)
1.83 nicm 531: return (1);
532: return (0);
1.82 nicm 533: }
534:
1.18 nicm 535: /* Handle data key input from client. */
536: void
1.74 nicm 537: server_client_handle_key(struct client *c, int key)
1.18 nicm 538: {
1.131 nicm 539: struct mouse_event *m = &c->tty.mouse;
1.132 nicm 540: struct session *s = c->session;
1.18 nicm 541: struct window *w;
542: struct window_pane *wp;
543: struct timeval tv;
1.132 nicm 544: struct key_table *table = c->keytable;
545: struct key_binding bd_find, *bd;
546: int xtimeout;
1.18 nicm 547:
548: /* Check the client is good to accept input. */
1.132 nicm 549: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.18 nicm 550: return;
1.132 nicm 551: w = s->curw->window;
552: wp = w->active;
1.86 nicm 553:
1.131 nicm 554: /* No session, do nothing. */
1.18 nicm 555: if (c->session == NULL)
556: return;
557: s = c->session;
1.131 nicm 558: w = c->session->curw->window;
559: wp = w->active;
1.18 nicm 560:
561: /* Update the activity timer. */
562: if (gettimeofday(&c->activity_time, NULL) != 0)
563: fatal("gettimeofday failed");
1.82 nicm 564: memcpy(&s->last_activity_time, &s->activity_time,
565: sizeof s->last_activity_time);
1.18 nicm 566: memcpy(&s->activity_time, &c->activity_time, sizeof s->activity_time);
567:
1.132 nicm 568: /* Number keys jump to pane in identify mode. */
1.25 nicm 569: if (c->flags & CLIENT_IDENTIFY && key >= '0' && key <= '9') {
1.30 nicm 570: if (c->flags & CLIENT_READONLY)
571: return;
1.95 nicm 572: window_unzoom(w);
1.18 nicm 573: wp = window_pane_at_index(w, key - '0');
574: if (wp != NULL && window_pane_visible(wp))
575: window_set_active_pane(w, wp);
576: server_clear_identify(c);
577: return;
578: }
579:
580: /* Handle status line. */
1.30 nicm 581: if (!(c->flags & CLIENT_READONLY)) {
582: status_message_clear(c);
583: server_clear_identify(c);
584: }
1.18 nicm 585: if (c->prompt_string != NULL) {
1.30 nicm 586: if (!(c->flags & CLIENT_READONLY))
587: status_prompt_key(c, key);
1.18 nicm 588: return;
589: }
590:
591: /* Check for mouse keys. */
592: if (key == KEYC_MOUSE) {
1.30 nicm 593: if (c->flags & CLIENT_READONLY)
594: return;
1.131 nicm 595: key = server_client_check_mouse(c);
596: if (key == KEYC_NONE)
597: return;
598:
599: m->valid = 1;
600: m->key = key;
601:
602: if (!options_get_number(&s->options, "mouse")) {
603: window_pane_key(wp, c, s, key, m);
604: return;
605: }
606: } else
607: m->valid = 0;
1.18 nicm 608:
1.132 nicm 609: /* Treat everything as a regular key when pasting is detected. */
610: if (server_client_assume_paste(s)) {
611: if (!(c->flags & CLIENT_READONLY))
612: window_pane_key(wp, c, s, key, m);
613: return;
614: }
1.18 nicm 615:
1.132 nicm 616: retry:
617: /* Try to see if there is a key binding in the current table. */
618: bd_find.key = key;
619: bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find);
620: if (bd != NULL) {
621: /*
622: * Key was matched in this table. If currently repeating but a
623: * non-repeating binding was found, stop repeating and try
624: * again in the root table.
625: */
626: if ((c->flags & CLIENT_REPEAT) && !bd->can_repeat) {
627: server_client_key_table(c, "root");
628: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 629: server_status_client(c);
1.132 nicm 630: goto retry;
1.18 nicm 631: }
1.82 nicm 632:
1.132 nicm 633: /*
634: * Take a reference to this table to make sure the key binding
635: * doesn't disappear.
636: */
637: table->references++;
638:
639: /*
640: * If this is a repeating key, start the timer. Otherwise reset
641: * the client back to the root table.
642: */
643: xtimeout = options_get_number(&s->options, "repeat-time");
644: if (xtimeout != 0 && bd->can_repeat) {
645: c->flags |= CLIENT_REPEAT;
646:
647: tv.tv_sec = xtimeout / 1000;
648: tv.tv_usec = (xtimeout % 1000) * 1000L;
649: evtimer_del(&c->repeat_timer);
650: evtimer_add(&c->repeat_timer, &tv);
651: } else {
1.18 nicm 652: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 653: server_client_key_table(c, "root");
1.18 nicm 654: }
1.132 nicm 655: server_status_client(c);
656:
657: /* Dispatch the key binding. */
658: key_bindings_dispatch(bd, c, m);
659: key_bindings_unref_table(table);
1.18 nicm 660: return;
661: }
662:
1.132 nicm 663: /*
664: * No match in this table. If repeating, switch the client back to the
665: * root table and try again.
666: */
667: if (c->flags & CLIENT_REPEAT) {
668: server_client_key_table(c, "root");
1.18 nicm 669: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 670: server_status_client(c);
671: goto retry;
1.18 nicm 672: }
673:
1.132 nicm 674: /* If no match and we're not in the root table, that's it. */
675: if (strcmp(c->keytable->name, "root") != 0) {
676: server_client_key_table(c, "root");
677: server_status_client(c);
678: return;
1.18 nicm 679: }
680:
1.132 nicm 681: /*
682: * No match, but in the root table. Prefix switches to the prefix table
683: * and everything else is passed through.
684: */
685: if (key == options_get_number(&s->options, "prefix") ||
686: key == options_get_number(&s->options, "prefix2")) {
687: server_client_key_table(c, "prefix");
688: server_status_client(c);
689: } else if (!(c->flags & CLIENT_READONLY))
690: window_pane_key(wp, c, s, key, m);
1.18 nicm 691: }
692:
1.2 nicm 693: /* Client functions that need to happen every loop. */
694: void
695: server_client_loop(void)
696: {
697: struct client *c;
698: struct window *w;
699: struct window_pane *wp;
700:
1.135 nicm 701: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 702: server_client_check_exit(c);
703: if (c->session != NULL) {
704: server_client_check_redraw(c);
705: server_client_reset_state(c);
706: }
1.2 nicm 707: }
708:
709: /*
710: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 711: * their flags now. Also check pane focus and resize.
1.2 nicm 712: */
1.134 nicm 713: RB_FOREACH(w, windows, &windows) {
1.2 nicm 714: w->flags &= ~WINDOW_REDRAW;
1.91 nicm 715: TAILQ_FOREACH(wp, &w->panes, entry) {
1.101 nicm 716: if (wp->fd != -1) {
717: server_client_check_focus(wp);
718: server_client_check_resize(wp);
719: }
1.2 nicm 720: wp->flags &= ~PANE_REDRAW;
1.91 nicm 721: }
1.2 nicm 722: }
1.92 nicm 723: }
724:
725: /* Check if pane should be resized. */
726: void
727: server_client_check_resize(struct window_pane *wp)
728: {
729: struct winsize ws;
730:
1.101 nicm 731: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 732: return;
733:
734: memset(&ws, 0, sizeof ws);
735: ws.ws_col = wp->sx;
736: ws.ws_row = wp->sy;
737:
1.100 nicm 738: if (ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 739: fatal("ioctl failed");
740:
741: wp->flags &= ~PANE_RESIZE;
1.91 nicm 742: }
743:
744: /* Check whether pane should be focused. */
745: void
746: server_client_check_focus(struct window_pane *wp)
747: {
1.93 nicm 748: struct client *c;
1.102 nicm 749: int push;
1.103 nicm 750:
751: /* Are focus events off? */
752: if (!options_get_number(&global_options, "focus-events"))
753: return;
1.102 nicm 754:
755: /* Do we need to push the focus state? */
756: push = wp->flags & PANE_FOCUSPUSH;
757: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 758:
759: /* If we don't care about focus, forget it. */
760: if (!(wp->base.mode & MODE_FOCUSON))
761: return;
762:
763: /* If we're not the active pane in our window, we're not focused. */
764: if (wp->window->active != wp)
765: goto not_focused;
766:
767: /* If we're in a mode, we're not focused. */
768: if (wp->screen != &wp->base)
769: goto not_focused;
770:
771: /*
1.93 nicm 772: * If our window is the current window in any focused clients with an
773: * attached session, we're focused.
1.91 nicm 774: */
1.135 nicm 775: TAILQ_FOREACH(c, &clients, entry) {
776: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 777: continue;
1.93 nicm 778: if (c->session->flags & SESSION_UNATTACHED)
779: continue;
780:
781: if (c->session->curw->window == wp->window)
1.91 nicm 782: goto focused;
783: }
784:
785: not_focused:
1.102 nicm 786: if (push || (wp->flags & PANE_FOCUSED))
1.91 nicm 787: bufferevent_write(wp->event, "\033[O", 3);
788: wp->flags &= ~PANE_FOCUSED;
789: return;
790:
791: focused:
1.102 nicm 792: if (push || !(wp->flags & PANE_FOCUSED))
1.91 nicm 793: bufferevent_write(wp->event, "\033[I", 3);
794: wp->flags |= PANE_FOCUSED;
1.2 nicm 795: }
796:
1.18 nicm 797: /*
798: * Update cursor position and mode settings. The scroll region and attributes
799: * are cleared when idle (waiting for an event) as this is the most likely time
800: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
801: * compromise between excessive resets and likelihood of an interrupt.
802: *
803: * tty_region/tty_reset/tty_update_mode already take care of not resetting
804: * things that are already in their default state.
805: */
1.1 nicm 806: void
1.18 nicm 807: server_client_reset_state(struct client *c)
1.1 nicm 808: {
1.18 nicm 809: struct window *w = c->session->curw->window;
810: struct window_pane *wp = w->active;
811: struct screen *s = wp->screen;
812: struct options *oo = &c->session->options;
1.66 nicm 813: int status, mode, o;
1.60 nicm 814:
815: if (c->flags & CLIENT_SUSPENDED)
816: return;
1.1 nicm 817:
1.86 nicm 818: if (c->flags & CLIENT_CONTROL)
819: return;
820:
1.1 nicm 821: tty_region(&c->tty, 0, c->tty.sy - 1);
822:
823: status = options_get_number(oo, "status");
824: if (!window_pane_visible(wp) || wp->yoff + s->cy >= c->tty.sy - status)
825: tty_cursor(&c->tty, 0, 0);
1.66 nicm 826: else {
1.126 nicm 827: o = status && options_get_number(oo, "status-position") == 0;
1.66 nicm 828: tty_cursor(&c->tty, wp->xoff + s->cx, o + wp->yoff + s->cy);
829: }
1.1 nicm 830:
1.50 nicm 831: /*
1.131 nicm 832: * Set mouse mode if requested. To support dragging, always use button
833: * mode.
1.57 nicm 834: */
835: mode = s->mode;
1.131 nicm 836: if (options_get_number(oo, "mouse"))
837: mode = (mode & ~ALL_MOUSE_MODES) | MODE_MOUSE_BUTTON;
1.48 nicm 838:
839: /*
840: * Set UTF-8 mouse input if required. If the terminal is UTF-8, the
841: * user has set mouse-utf8 and any mouse mode is in effect, turn on
842: * UTF-8 mouse input. If the receiving terminal hasn't requested it
843: * (that is, it isn't in s->mode), then it'll be converted in
844: * input_mouse.
845: */
846: if ((c->tty.flags & TTY_UTF8) &&
847: (mode & ALL_MOUSE_MODES) && options_get_number(oo, "mouse-utf8"))
848: mode |= MODE_MOUSE_UTF8;
849: else
850: mode &= ~MODE_MOUSE_UTF8;
851:
852: /* Set the terminal mode and reset attributes. */
1.59 nicm 853: tty_update_mode(&c->tty, mode, s);
1.1 nicm 854: tty_reset(&c->tty);
1.17 nicm 855: }
856:
857: /* Repeat time callback. */
858: void
859: server_client_repeat_timer(unused int fd, unused short events, void *data)
860: {
861: struct client *c = data;
862:
1.85 nicm 863: if (c->flags & CLIENT_REPEAT) {
1.132 nicm 864: server_client_key_table(c, "root");
865: c->flags &= ~CLIENT_REPEAT;
866: server_status_client(c);
1.85 nicm 867: }
1.1 nicm 868: }
869:
1.36 nicm 870: /* Check if client should be exited. */
871: void
872: server_client_check_exit(struct client *c)
873: {
874: if (!(c->flags & CLIENT_EXIT))
875: return;
876:
1.73 nicm 877: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
878: return;
879: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 880: return;
1.73 nicm 881: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 882: return;
883:
1.107 nicm 884: server_write_client(c, MSG_EXIT, &c->retval, sizeof c->retval);
1.36 nicm 885: c->flags &= ~CLIENT_EXIT;
1.38 nicm 886: }
887:
1.1 nicm 888: /* Check for client redraws. */
889: void
890: server_client_check_redraw(struct client *c)
891: {
892: struct session *s = c->session;
1.137 nicm 893: struct tty *tty = &c->tty;
1.1 nicm 894: struct window_pane *wp;
895: int flags, redraw;
896:
1.86 nicm 897: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 898: return;
899:
1.1 nicm 900: if (c->flags & (CLIENT_REDRAW|CLIENT_STATUS)) {
901: if (options_get_number(&s->options, "set-titles"))
902: server_client_set_title(c);
1.12 nicm 903:
1.1 nicm 904: if (c->message_string != NULL)
905: redraw = status_message_redraw(c);
906: else if (c->prompt_string != NULL)
907: redraw = status_prompt_redraw(c);
908: else
909: redraw = status_redraw(c);
910: if (!redraw)
911: c->flags &= ~CLIENT_STATUS;
912: }
913:
1.137 nicm 914: flags = tty->flags & (TTY_FREEZE|TTY_NOCURSOR);
915: tty->flags = (tty->flags & ~TTY_FREEZE) | TTY_NOCURSOR;
916:
1.1 nicm 917: if (c->flags & CLIENT_REDRAW) {
1.137 nicm 918: tty_update_mode(tty, tty->mode, NULL);
1.115 nicm 919: screen_redraw_screen(c, 1, 1, 1);
1.27 nicm 920: c->flags &= ~(CLIENT_STATUS|CLIENT_BORDERS);
1.38 nicm 921: } else if (c->flags & CLIENT_REDRAWWINDOW) {
1.137 nicm 922: tty_update_mode(tty, tty->mode, NULL);
1.38 nicm 923: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry)
924: screen_redraw_pane(c, wp);
925: c->flags &= ~CLIENT_REDRAWWINDOW;
1.1 nicm 926: } else {
927: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 928: if (wp->flags & PANE_REDRAW) {
929: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 930: screen_redraw_pane(c, wp);
1.137 nicm 931: }
1.1 nicm 932: }
933: }
934:
1.137 nicm 935: if (c->flags & CLIENT_BORDERS) {
936: tty_update_mode(tty, tty->mode, NULL);
1.115 nicm 937: screen_redraw_screen(c, 0, 0, 1);
1.137 nicm 938: }
1.27 nicm 939:
1.137 nicm 940: if (c->flags & CLIENT_STATUS) {
941: tty_update_mode(tty, tty->mode, NULL);
1.115 nicm 942: screen_redraw_screen(c, 0, 1, 0);
1.137 nicm 943: }
1.1 nicm 944:
1.137 nicm 945: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
946: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 947:
1.27 nicm 948: c->flags &= ~(CLIENT_REDRAW|CLIENT_STATUS|CLIENT_BORDERS);
1.1 nicm 949: }
950:
951: /* Set client title. */
952: void
953: server_client_set_title(struct client *c)
954: {
1.128 nicm 955: struct session *s = c->session;
956: const char *template;
957: char *title;
958: struct format_tree *ft;
1.1 nicm 959:
960: template = options_get_string(&s->options, "set-titles-string");
1.25 nicm 961:
1.128 nicm 962: ft = format_create();
963: format_defaults(ft, c, NULL, NULL, NULL);
964:
965: title = format_expand_time(ft, template, time(NULL));
1.1 nicm 966: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 967: free(c->title);
1.1 nicm 968: c->title = xstrdup(title);
969: tty_set_title(&c->tty, c->title);
970: }
1.77 nicm 971: free(title);
1.128 nicm 972:
973: format_free(ft);
1.1 nicm 974: }
975:
976: /* Dispatch message from client. */
977: int
978: server_client_msg_dispatch(struct client *c)
979: {
980: struct imsg imsg;
1.73 nicm 981: struct msg_stdin_data stdindata;
1.108 nicm 982: const char *data;
1.1 nicm 983: ssize_t n, datalen;
984:
1.8 deraadt 985: if ((n = imsg_read(&c->ibuf)) == -1 || n == 0)
986: return (-1);
1.1 nicm 987:
988: for (;;) {
989: if ((n = imsg_get(&c->ibuf, &imsg)) == -1)
990: return (-1);
991: if (n == 0)
992: return (0);
1.108 nicm 993:
994: data = imsg.data;
1.1 nicm 995: datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
996:
997: if (imsg.hdr.peerid != PROTOCOL_VERSION) {
998: server_write_client(c, MSG_VERSION, NULL, 0);
999: c->flags |= CLIENT_BAD;
1.112 nicm 1000: if (imsg.fd != -1)
1001: close(imsg.fd);
1.1 nicm 1002: imsg_free(&imsg);
1003: continue;
1004: }
1005:
1.129 nicm 1006: log_debug("got %u from client %d", imsg.hdr.type, c->ibuf.fd);
1.1 nicm 1007: switch (imsg.hdr.type) {
1.109 nicm 1008: case MSG_IDENTIFY_FLAGS:
1009: case MSG_IDENTIFY_TERM:
1010: case MSG_IDENTIFY_TTYNAME:
1011: case MSG_IDENTIFY_CWD:
1012: case MSG_IDENTIFY_STDIN:
1013: case MSG_IDENTIFY_ENVIRON:
1.143 nicm 1014: case MSG_IDENTIFY_CLIENTPID:
1.109 nicm 1015: case MSG_IDENTIFY_DONE:
1016: server_client_msg_identify(c, &imsg);
1.1 nicm 1017: break;
1.108 nicm 1018: case MSG_COMMAND:
1019: server_client_msg_command(c, &imsg);
1020: break;
1.73 nicm 1021: case MSG_STDIN:
1022: if (datalen != sizeof stdindata)
1023: fatalx("bad MSG_STDIN size");
1.108 nicm 1024: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1025:
1.73 nicm 1026: if (c->stdin_callback == NULL)
1027: break;
1028: if (stdindata.size <= 0)
1029: c->stdin_closed = 1;
1030: else {
1031: evbuffer_add(c->stdin_data, stdindata.data,
1032: stdindata.size);
1033: }
1034: c->stdin_callback(c, c->stdin_closed,
1035: c->stdin_callback_data);
1.33 nicm 1036: break;
1.1 nicm 1037: case MSG_RESIZE:
1038: if (datalen != 0)
1039: fatalx("bad MSG_RESIZE size");
1040:
1.86 nicm 1041: if (c->flags & CLIENT_CONTROL)
1042: break;
1.32 nicm 1043: if (tty_resize(&c->tty)) {
1044: recalculate_sizes();
1045: server_redraw_client(c);
1046: }
1.1 nicm 1047: break;
1048: case MSG_EXITING:
1049: if (datalen != 0)
1050: fatalx("bad MSG_EXITING size");
1051:
1052: c->session = NULL;
1053: tty_close(&c->tty);
1054: server_write_client(c, MSG_EXITED, NULL, 0);
1055: break;
1056: case MSG_WAKEUP:
1057: case MSG_UNLOCK:
1058: if (datalen != 0)
1059: fatalx("bad MSG_WAKEUP size");
1060:
1061: if (!(c->flags & CLIENT_SUSPENDED))
1062: break;
1063: c->flags &= ~CLIENT_SUSPENDED;
1.121 nicm 1064:
1065: if (c->tty.fd == -1) /* exited in the meantime */
1066: break;
1.10 nicm 1067:
1.11 nicm 1068: if (gettimeofday(&c->activity_time, NULL) != 0)
1069: fatal("gettimeofday");
1.47 nicm 1070: if (c->session != NULL)
1071: session_update_activity(c->session);
1.10 nicm 1072:
1.1 nicm 1073: tty_start_tty(&c->tty);
1074: server_redraw_client(c);
1075: recalculate_sizes();
1076: break;
1077: case MSG_SHELL:
1078: if (datalen != 0)
1079: fatalx("bad MSG_SHELL size");
1080:
1081: server_client_msg_shell(c);
1082: break;
1083: }
1084:
1085: imsg_free(&imsg);
1086: }
1087: }
1088:
1089: /* Handle command message. */
1090: void
1.108 nicm 1091: server_client_msg_command(struct client *c, struct imsg *imsg)
1.1 nicm 1092: {
1.108 nicm 1093: struct msg_command_data data;
1094: char *buf;
1095: size_t len;
1096: struct cmd_list *cmdlist = NULL;
1097: int argc;
1098: char **argv, *cause;
1099:
1100: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1101: fatalx("bad MSG_COMMAND size");
1102: memcpy(&data, imsg->data, sizeof data);
1103:
1.124 nicm 1104: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1105: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1106: if (len > 0 && buf[len - 1] != '\0')
1107: fatalx("bad MSG_COMMAND string");
1108:
1109: argc = data.argc;
1110: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.94 nicm 1111: cmdq_error(c->cmdq, "command too long");
1.1 nicm 1112: goto error;
1113: }
1114:
1115: if (argc == 0) {
1116: argc = 1;
1117: argv = xcalloc(1, sizeof *argv);
1118: *argv = xstrdup("new-session");
1119: }
1120:
1.94 nicm 1121: if ((cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause)) == NULL) {
1122: cmdq_error(c->cmdq, "%s", cause);
1.1 nicm 1123: cmd_free_argv(argc, argv);
1124: goto error;
1125: }
1126: cmd_free_argv(argc, argv);
1127:
1.113 nicm 1128: if (c != cfg_client || cfg_finished)
1.131 nicm 1129: cmdq_run(c->cmdq, cmdlist, NULL);
1.113 nicm 1130: else
1.131 nicm 1131: cmdq_append(c->cmdq, cmdlist, NULL);
1.1 nicm 1132: cmd_list_free(cmdlist);
1133: return;
1134:
1135: error:
1136: if (cmdlist != NULL)
1137: cmd_list_free(cmdlist);
1.88 nicm 1138:
1.36 nicm 1139: c->flags |= CLIENT_EXIT;
1.1 nicm 1140: }
1141:
1142: /* Handle identify message. */
1143: void
1.109 nicm 1144: server_client_msg_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1145: {
1.109 nicm 1146: const char *data;
1147: size_t datalen;
1148: int flags;
1149:
1150: if (c->flags & CLIENT_IDENTIFIED)
1151: fatalx("out-of-order identify message");
1152:
1153: data = imsg->data;
1154: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1155:
1156: switch (imsg->hdr.type) {
1157: case MSG_IDENTIFY_FLAGS:
1158: if (datalen != sizeof flags)
1159: fatalx("bad MSG_IDENTIFY_FLAGS size");
1160: memcpy(&flags, data, sizeof flags);
1161: c->flags |= flags;
1162: break;
1163: case MSG_IDENTIFY_TERM:
1.110 nicm 1164: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1165: fatalx("bad MSG_IDENTIFY_TERM string");
1166: c->term = xstrdup(data);
1167: break;
1168: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1169: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1170: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1171: c->ttyname = xstrdup(data);
1172: break;
1173: case MSG_IDENTIFY_CWD:
1174: if (datalen != 0)
1175: fatalx("bad MSG_IDENTIFY_CWD size");
1176: c->cwd = imsg->fd;
1177: break;
1178: case MSG_IDENTIFY_STDIN:
1179: if (datalen != 0)
1180: fatalx("bad MSG_IDENTIFY_STDIN size");
1181: c->fd = imsg->fd;
1182: break;
1183: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1184: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1185: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1186: if (strchr(data, '=') != NULL)
1187: environ_put(&c->environ, data);
1.143 nicm 1188: break;
1189: case MSG_IDENTIFY_CLIENTPID:
1190: if (datalen != sizeof c->pid)
1191: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1192: memcpy(&c->pid, data, sizeof c->pid);
1.109 nicm 1193: break;
1194: default:
1195: break;
1196: }
1197:
1198: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1199: return;
1200: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1201:
1.109 nicm 1202: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1203: c->stdin_callback = control_callback;
1.109 nicm 1204:
1.97 nicm 1205: evbuffer_free(c->stderr_data);
1206: c->stderr_data = c->stdout_data;
1.109 nicm 1207:
1208: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1209: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.79 nicm 1210: server_write_client(c, MSG_STDIN, NULL, 0);
1.75 nicm 1211:
1212: c->tty.fd = -1;
1213: c->tty.log_fd = -1;
1214:
1.109 nicm 1215: close(c->fd);
1216: c->fd = -1;
1217:
1.75 nicm 1218: return;
1219: }
1.1 nicm 1220:
1.109 nicm 1221: if (c->fd == -1)
1.104 nicm 1222: return;
1.145 nicm 1223: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1.109 nicm 1224: close(c->fd);
1225: c->fd = -1;
1.80 nicm 1226: return;
1227: }
1.109 nicm 1228: if (c->flags & CLIENT_UTF8)
1.1 nicm 1229: c->tty.flags |= TTY_UTF8;
1.109 nicm 1230: if (c->flags & CLIENT_256COLOURS)
1.1 nicm 1231: c->tty.term_flags |= TERM_256COLOURS;
1232:
1233: tty_resize(&c->tty);
1234:
1.109 nicm 1235: if (!(c->flags & CLIENT_CONTROL))
1.86 nicm 1236: c->flags |= CLIENT_TERMINAL;
1.1 nicm 1237: }
1238:
1239: /* Handle shell message. */
1240: void
1241: server_client_msg_shell(struct client *c)
1242: {
1.107 nicm 1243: const char *shell;
1.25 nicm 1244:
1.1 nicm 1245: shell = options_get_string(&global_s_options, "default-shell");
1246: if (*shell == '\0' || areshell(shell))
1247: shell = _PATH_BSHELL;
1.107 nicm 1248: server_write_client(c, MSG_SHELL, shell, strlen(shell) + 1);
1.25 nicm 1249:
1.1 nicm 1250: c->flags |= CLIENT_BAD; /* it will die after exec */
1251: }
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