Annotation of src/usr.bin/tmux/server-client.c, Revision 1.146
1.146 ! nicm 1: /* $OpenBSD: server-client.c,v 1.145 2015/07/13 15:51:31 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);
1.51 nicm 118: RB_INIT(&c->status_new);
119: RB_INIT(&c->status_old);
1.1 nicm 120:
121: c->message_string = NULL;
1.136 nicm 122: TAILQ_INIT(&c->message_log);
1.1 nicm 123:
124: c->prompt_string = NULL;
125: c->prompt_buffer = NULL;
126: c->prompt_index = 0;
127:
1.93 nicm 128: c->flags |= CLIENT_FOCUSED;
129:
1.132 nicm 130: c->keytable = key_bindings_get_table("root", 1);
131: c->keytable->references++;
132:
1.17 nicm 133: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
134:
1.135 nicm 135: TAILQ_INSERT_TAIL(&clients, c, entry);
1.1 nicm 136: log_debug("new client %d", fd);
1.72 nicm 137: }
138:
139: /* Open client terminal if needed. */
140: int
1.119 nicm 141: server_client_open(struct client *c, char **cause)
1.72 nicm 142: {
1.75 nicm 143: if (c->flags & CLIENT_CONTROL)
144: return (0);
1.120 nicm 145:
146: if (strcmp(c->ttyname, "/dev/tty") == 0) {
147: *cause = xstrdup("can't use /dev/tty");
148: return (-1);
149: }
1.75 nicm 150:
1.72 nicm 151: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 152: *cause = xstrdup("not a terminal");
1.72 nicm 153: return (-1);
154: }
155:
1.119 nicm 156: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 157: return (-1);
158:
159: return (0);
1.1 nicm 160: }
161:
162: /* Lost a client. */
163: void
164: server_client_lost(struct client *c)
165: {
1.136 nicm 166: struct message_entry *msg, *msg1;
1.1 nicm 167:
1.141 nicm 168: c->flags |= CLIENT_DEAD;
169:
170: status_prompt_clear(c);
171: status_message_clear(c);
172:
173: if (c->stdin_callback != NULL)
174: c->stdin_callback(c, 1, c->stdin_callback_data);
175:
1.135 nicm 176: TAILQ_REMOVE(&clients, c, entry);
1.1 nicm 177: log_debug("lost client %d", c->ibuf.fd);
178:
179: /*
180: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
181: * and tty_free might close an unrelated fd.
182: */
183: if (c->flags & CLIENT_TERMINAL)
184: tty_free(&c->tty);
1.109 nicm 185: free(c->ttyname);
186: free(c->term);
1.1 nicm 187:
1.113 nicm 188: evbuffer_free(c->stdin_data);
189: evbuffer_free(c->stdout_data);
1.97 nicm 190: if (c->stderr_data != c->stdout_data)
1.126 nicm 191: evbuffer_free(c->stderr_data);
1.33 nicm 192:
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);
292: }
293:
1.16 nicm 294: /* Handle client status timer. */
295: void
296: server_client_status_timer(void)
297: {
298: struct client *c;
299: struct session *s;
300: struct timeval tv;
1.20 nicm 301: int interval;
302: time_t difference;
1.16 nicm 303:
304: if (gettimeofday(&tv, NULL) != 0)
305: fatal("gettimeofday failed");
306:
1.135 nicm 307: TAILQ_FOREACH(c, &clients, entry) {
308: if (c->session == NULL)
1.16 nicm 309: continue;
310: if (c->message_string != NULL || c->prompt_string != NULL) {
311: /*
312: * Don't need timed redraw for messages/prompts so bail
313: * now. The status timer isn't reset when they are
314: * redrawn anyway.
315: */
316: continue;
317: }
318: s = c->session;
319:
320: if (!options_get_number(&s->options, "status"))
321: continue;
322: interval = options_get_number(&s->options, "status-interval");
323:
1.20 nicm 324: difference = tv.tv_sec - c->status_timer.tv_sec;
1.139 nicm 325: if (interval != 0 && difference >= interval)
1.16 nicm 326: c->flags |= CLIENT_STATUS;
327: }
328: }
329:
1.66 nicm 330: /* Check for mouse keys. */
1.131 nicm 331: int
332: server_client_check_mouse(struct client *c)
1.66 nicm 333: {
1.131 nicm 334: struct session *s = c->session;
335: struct mouse_event *m = &c->tty.mouse;
336: struct window *w;
337: struct window_pane *wp;
338: enum { NOTYPE, DOWN, UP, DRAG, WHEEL } type = NOTYPE;
339: enum { NOWHERE, PANE, STATUS, BORDER } where = NOWHERE;
340: u_int x, y, b;
341: int key;
342:
343: log_debug("mouse %02x at %u,%u (last %u,%u) (%d)", m->b, m->x, m->y,
344: m->lx, m->ly, c->tty.mouse_drag_flag);
345:
346: /* What type of event is this? */
347: if (MOUSE_DRAG(m->b)) {
348: type = DRAG;
349: if (c->tty.mouse_drag_flag) {
350: x = m->x, y = m->y, b = m->b;
351: log_debug("drag update at %u,%u", x, y);
352: } else {
353: x = m->lx, y = m->ly, b = m->lb;
354: log_debug("drag start at %u,%u", x, y);
355: }
356: } else if (MOUSE_WHEEL(m->b)) {
357: type = WHEEL;
358: x = m->x, y = m->y, b = m->b;
359: log_debug("wheel at %u,%u", x, y);
360: } else if (MOUSE_BUTTONS(m->b) == 3) {
361: type = UP;
362: x = m->x, y = m->y, b = m->lb;
363: log_debug("up at %u,%u", x, y);
364: } else {
365: type = DOWN;
366: x = m->x, y = m->y, b = m->b;
367: log_debug("down at %u,%u", x, y);
368: }
369: if (type == NOTYPE)
370: return (KEYC_NONE);
371:
372: /* Always save the session. */
373: m->s = s->id;
374:
375: /* Is this on the status line? */
376: m->statusat = status_at_line(c);
377: if (m->statusat != -1 && y == (u_int)m->statusat) {
378: w = status_get_window_at(c, x);
379: if (w == NULL)
380: return (KEYC_NONE);
381: m->w = w->id;
382: where = STATUS;
383: } else
384: m->w = -1;
385:
386: /* Not on status line. Adjust position and check for border or pane. */
387: if (where == NOWHERE) {
388: if (m->statusat == 0 && y > 0)
389: y--;
390: else if (m->statusat > 0 && y >= (u_int)m->statusat)
391: y = m->statusat - 1;
392:
393: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
394: if ((wp->xoff + wp->sx == x &&
395: wp->yoff <= 1 + y &&
396: wp->yoff + wp->sy >= y) ||
397: (wp->yoff + wp->sy == y &&
398: wp->xoff <= 1 + x &&
399: wp->xoff + wp->sx >= x))
400: break;
401: }
402: if (wp != NULL)
403: where = BORDER;
404: else {
405: wp = window_get_active_at(s->curw->window, x, y);
406: if (wp != NULL)
407: where = PANE;
408: }
409: if (where == NOWHERE)
410: return (KEYC_NONE);
411: m->wp = wp->id;
412: m->w = wp->window->id;
413: } else
414: m->wp = -1;
415:
416: /* Stop dragging if needed. */
417: if (type != DRAG && c->tty.mouse_drag_flag) {
418: if (c->tty.mouse_drag_release != NULL)
419: c->tty.mouse_drag_release(c, m);
420:
421: c->tty.mouse_drag_update = NULL;
422: c->tty.mouse_drag_release = NULL;
423:
424: c->tty.mouse_drag_flag = 0;
1.133 nicm 425: return (KEYC_MOUSE); /* not a key, but still may want to pass */
1.131 nicm 426: }
427:
428: /* Convert to a key binding. */
429: key = KEYC_NONE;
430: switch (type) {
431: case NOTYPE:
432: break;
433: case DRAG:
434: if (c->tty.mouse_drag_update != NULL)
435: c->tty.mouse_drag_update(c, m);
436: else {
437: switch (MOUSE_BUTTONS(b)) {
438: case 0:
439: if (where == PANE)
440: key = KEYC_MOUSEDRAG1_PANE;
441: if (where == STATUS)
442: key = KEYC_MOUSEDRAG1_STATUS;
443: if (where == BORDER)
444: key = KEYC_MOUSEDRAG1_BORDER;
445: break;
446: case 1:
447: if (where == PANE)
448: key = KEYC_MOUSEDRAG2_PANE;
449: if (where == STATUS)
450: key = KEYC_MOUSEDRAG2_STATUS;
451: if (where == BORDER)
452: key = KEYC_MOUSEDRAG2_BORDER;
453: break;
454: case 2:
455: if (where == PANE)
456: key = KEYC_MOUSEDRAG3_PANE;
457: if (where == STATUS)
458: key = KEYC_MOUSEDRAG3_STATUS;
459: if (where == BORDER)
460: key = KEYC_MOUSEDRAG3_BORDER;
461: break;
462: }
463: }
1.66 nicm 464:
1.131 nicm 465: c->tty.mouse_drag_flag = 1;
466: break;
467: case WHEEL:
468: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
469: if (where == PANE)
470: key = KEYC_WHEELUP_PANE;
471: if (where == STATUS)
472: key = KEYC_WHEELUP_STATUS;
473: if (where == BORDER)
474: key = KEYC_WHEELUP_BORDER;
475: } else {
476: if (where == PANE)
477: key = KEYC_WHEELDOWN_PANE;
478: if (where == STATUS)
479: key = KEYC_WHEELDOWN_STATUS;
480: if (where == BORDER)
481: key = KEYC_WHEELDOWN_BORDER;
482: }
483: break;
484: case UP:
485: switch (MOUSE_BUTTONS(b)) {
486: case 0:
487: if (where == PANE)
488: key = KEYC_MOUSEUP1_PANE;
489: if (where == STATUS)
490: key = KEYC_MOUSEUP1_STATUS;
491: if (where == BORDER)
492: key = KEYC_MOUSEUP1_BORDER;
493: break;
494: case 1:
495: if (where == PANE)
496: key = KEYC_MOUSEUP2_PANE;
497: if (where == STATUS)
498: key = KEYC_MOUSEUP2_STATUS;
499: if (where == BORDER)
500: key = KEYC_MOUSEUP2_BORDER;
501: break;
502: case 2:
503: if (where == PANE)
504: key = KEYC_MOUSEUP3_PANE;
505: if (where == STATUS)
506: key = KEYC_MOUSEUP3_STATUS;
507: if (where == BORDER)
508: key = KEYC_MOUSEUP3_BORDER;
509: break;
510: }
511: break;
512: case DOWN:
513: switch (MOUSE_BUTTONS(b)) {
514: case 0:
515: if (where == PANE)
516: key = KEYC_MOUSEDOWN1_PANE;
517: if (where == STATUS)
518: key = KEYC_MOUSEDOWN1_STATUS;
519: if (where == BORDER)
520: key = KEYC_MOUSEDOWN1_BORDER;
521: break;
522: case 1:
523: if (where == PANE)
524: key = KEYC_MOUSEDOWN2_PANE;
525: if (where == STATUS)
526: key = KEYC_MOUSEDOWN2_STATUS;
527: if (where == BORDER)
528: key = KEYC_MOUSEDOWN2_BORDER;
529: break;
530: case 2:
531: if (where == PANE)
532: key = KEYC_MOUSEDOWN3_PANE;
533: if (where == STATUS)
534: key = KEYC_MOUSEDOWN3_STATUS;
535: if (where == BORDER)
536: key = KEYC_MOUSEDOWN3_BORDER;
537: break;
1.66 nicm 538: }
1.131 nicm 539: break;
1.66 nicm 540: }
1.131 nicm 541: if (key == KEYC_NONE)
542: return (KEYC_NONE);
1.66 nicm 543:
1.131 nicm 544: /* Apply modifiers if any. */
545: if (b & MOUSE_MASK_META)
546: key |= KEYC_ESCAPE;
547: if (b & MOUSE_MASK_CTRL)
548: key |= KEYC_CTRL;
549: if (b & MOUSE_MASK_SHIFT)
550: key |= KEYC_SHIFT;
1.66 nicm 551:
1.131 nicm 552: return (key);
1.66 nicm 553: }
554:
1.82 nicm 555: /* Is this fast enough to probably be a paste? */
556: int
557: server_client_assume_paste(struct session *s)
558: {
559: struct timeval tv;
1.84 nicm 560: int t;
1.82 nicm 561:
562: if ((t = options_get_number(&s->options, "assume-paste-time")) == 0)
1.83 nicm 563: return (0);
1.82 nicm 564:
565: timersub(&s->activity_time, &s->last_activity_time, &tv);
566: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000)
1.83 nicm 567: return (1);
568: return (0);
1.82 nicm 569: }
570:
1.18 nicm 571: /* Handle data key input from client. */
572: void
1.74 nicm 573: server_client_handle_key(struct client *c, int key)
1.18 nicm 574: {
1.131 nicm 575: struct mouse_event *m = &c->tty.mouse;
1.132 nicm 576: struct session *s = c->session;
1.18 nicm 577: struct window *w;
578: struct window_pane *wp;
579: struct timeval tv;
1.132 nicm 580: struct key_table *table = c->keytable;
581: struct key_binding bd_find, *bd;
582: int xtimeout;
1.18 nicm 583:
584: /* Check the client is good to accept input. */
1.132 nicm 585: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.18 nicm 586: return;
1.132 nicm 587: w = s->curw->window;
588: wp = w->active;
1.86 nicm 589:
1.131 nicm 590: /* No session, do nothing. */
1.18 nicm 591: if (c->session == NULL)
592: return;
593: s = c->session;
1.131 nicm 594: w = c->session->curw->window;
595: wp = w->active;
1.18 nicm 596:
597: /* Update the activity timer. */
598: if (gettimeofday(&c->activity_time, NULL) != 0)
599: fatal("gettimeofday failed");
1.82 nicm 600: memcpy(&s->last_activity_time, &s->activity_time,
601: sizeof s->last_activity_time);
1.18 nicm 602: memcpy(&s->activity_time, &c->activity_time, sizeof s->activity_time);
603:
1.132 nicm 604: /* Number keys jump to pane in identify mode. */
1.25 nicm 605: if (c->flags & CLIENT_IDENTIFY && key >= '0' && key <= '9') {
1.30 nicm 606: if (c->flags & CLIENT_READONLY)
607: return;
1.95 nicm 608: window_unzoom(w);
1.18 nicm 609: wp = window_pane_at_index(w, key - '0');
610: if (wp != NULL && window_pane_visible(wp))
611: window_set_active_pane(w, wp);
612: server_clear_identify(c);
613: return;
614: }
615:
616: /* Handle status line. */
1.30 nicm 617: if (!(c->flags & CLIENT_READONLY)) {
618: status_message_clear(c);
619: server_clear_identify(c);
620: }
1.18 nicm 621: if (c->prompt_string != NULL) {
1.30 nicm 622: if (!(c->flags & CLIENT_READONLY))
623: status_prompt_key(c, key);
1.18 nicm 624: return;
625: }
626:
627: /* Check for mouse keys. */
628: if (key == KEYC_MOUSE) {
1.30 nicm 629: if (c->flags & CLIENT_READONLY)
630: return;
1.131 nicm 631: key = server_client_check_mouse(c);
632: if (key == KEYC_NONE)
633: return;
634:
635: m->valid = 1;
636: m->key = key;
637:
638: if (!options_get_number(&s->options, "mouse")) {
639: window_pane_key(wp, c, s, key, m);
640: return;
641: }
642: } else
643: m->valid = 0;
1.18 nicm 644:
1.132 nicm 645: /* Treat everything as a regular key when pasting is detected. */
646: if (server_client_assume_paste(s)) {
647: if (!(c->flags & CLIENT_READONLY))
648: window_pane_key(wp, c, s, key, m);
649: return;
650: }
1.18 nicm 651:
1.132 nicm 652: retry:
653: /* Try to see if there is a key binding in the current table. */
654: bd_find.key = key;
655: bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find);
656: if (bd != NULL) {
657: /*
658: * Key was matched in this table. If currently repeating but a
659: * non-repeating binding was found, stop repeating and try
660: * again in the root table.
661: */
662: if ((c->flags & CLIENT_REPEAT) && !bd->can_repeat) {
663: server_client_key_table(c, "root");
664: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 665: server_status_client(c);
1.132 nicm 666: goto retry;
1.18 nicm 667: }
1.82 nicm 668:
1.132 nicm 669: /*
670: * Take a reference to this table to make sure the key binding
671: * doesn't disappear.
672: */
673: table->references++;
674:
675: /*
676: * If this is a repeating key, start the timer. Otherwise reset
677: * the client back to the root table.
678: */
679: xtimeout = options_get_number(&s->options, "repeat-time");
680: if (xtimeout != 0 && bd->can_repeat) {
681: c->flags |= CLIENT_REPEAT;
682:
683: tv.tv_sec = xtimeout / 1000;
684: tv.tv_usec = (xtimeout % 1000) * 1000L;
685: evtimer_del(&c->repeat_timer);
686: evtimer_add(&c->repeat_timer, &tv);
687: } else {
1.18 nicm 688: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 689: server_client_key_table(c, "root");
1.18 nicm 690: }
1.132 nicm 691: server_status_client(c);
692:
693: /* Dispatch the key binding. */
694: key_bindings_dispatch(bd, c, m);
695: key_bindings_unref_table(table);
1.18 nicm 696: return;
697: }
698:
1.132 nicm 699: /*
700: * No match in this table. If repeating, switch the client back to the
701: * root table and try again.
702: */
703: if (c->flags & CLIENT_REPEAT) {
704: server_client_key_table(c, "root");
1.18 nicm 705: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 706: server_status_client(c);
707: goto retry;
1.18 nicm 708: }
709:
1.132 nicm 710: /* If no match and we're not in the root table, that's it. */
711: if (strcmp(c->keytable->name, "root") != 0) {
712: server_client_key_table(c, "root");
713: server_status_client(c);
714: return;
1.18 nicm 715: }
716:
1.132 nicm 717: /*
718: * No match, but in the root table. Prefix switches to the prefix table
719: * and everything else is passed through.
720: */
721: if (key == options_get_number(&s->options, "prefix") ||
722: key == options_get_number(&s->options, "prefix2")) {
723: server_client_key_table(c, "prefix");
724: server_status_client(c);
725: } else if (!(c->flags & CLIENT_READONLY))
726: window_pane_key(wp, c, s, key, m);
1.18 nicm 727: }
728:
1.2 nicm 729: /* Client functions that need to happen every loop. */
730: void
731: server_client_loop(void)
732: {
733: struct client *c;
734: struct window *w;
735: struct window_pane *wp;
736:
1.135 nicm 737: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 738: server_client_check_exit(c);
739: if (c->session != NULL) {
740: server_client_check_redraw(c);
741: server_client_reset_state(c);
742: }
1.2 nicm 743: }
744:
745: /*
746: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 747: * their flags now. Also check pane focus and resize.
1.2 nicm 748: */
1.134 nicm 749: RB_FOREACH(w, windows, &windows) {
1.2 nicm 750: w->flags &= ~WINDOW_REDRAW;
1.91 nicm 751: TAILQ_FOREACH(wp, &w->panes, entry) {
1.101 nicm 752: if (wp->fd != -1) {
753: server_client_check_focus(wp);
754: server_client_check_resize(wp);
755: }
1.2 nicm 756: wp->flags &= ~PANE_REDRAW;
1.91 nicm 757: }
1.2 nicm 758: }
1.92 nicm 759: }
760:
761: /* Check if pane should be resized. */
762: void
763: server_client_check_resize(struct window_pane *wp)
764: {
765: struct winsize ws;
766:
1.101 nicm 767: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 768: return;
769:
770: memset(&ws, 0, sizeof ws);
771: ws.ws_col = wp->sx;
772: ws.ws_row = wp->sy;
773:
1.100 nicm 774: if (ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 775: fatal("ioctl failed");
776:
777: wp->flags &= ~PANE_RESIZE;
1.91 nicm 778: }
779:
780: /* Check whether pane should be focused. */
781: void
782: server_client_check_focus(struct window_pane *wp)
783: {
1.93 nicm 784: struct client *c;
1.102 nicm 785: int push;
1.103 nicm 786:
787: /* Are focus events off? */
788: if (!options_get_number(&global_options, "focus-events"))
789: return;
1.102 nicm 790:
791: /* Do we need to push the focus state? */
792: push = wp->flags & PANE_FOCUSPUSH;
793: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 794:
795: /* If we don't care about focus, forget it. */
796: if (!(wp->base.mode & MODE_FOCUSON))
797: return;
798:
799: /* If we're not the active pane in our window, we're not focused. */
800: if (wp->window->active != wp)
801: goto not_focused;
802:
803: /* If we're in a mode, we're not focused. */
804: if (wp->screen != &wp->base)
805: goto not_focused;
806:
807: /*
1.93 nicm 808: * If our window is the current window in any focused clients with an
809: * attached session, we're focused.
1.91 nicm 810: */
1.135 nicm 811: TAILQ_FOREACH(c, &clients, entry) {
812: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 813: continue;
1.93 nicm 814: if (c->session->flags & SESSION_UNATTACHED)
815: continue;
816:
817: if (c->session->curw->window == wp->window)
1.91 nicm 818: goto focused;
819: }
820:
821: not_focused:
1.102 nicm 822: if (push || (wp->flags & PANE_FOCUSED))
1.91 nicm 823: bufferevent_write(wp->event, "\033[O", 3);
824: wp->flags &= ~PANE_FOCUSED;
825: return;
826:
827: focused:
1.102 nicm 828: if (push || !(wp->flags & PANE_FOCUSED))
1.91 nicm 829: bufferevent_write(wp->event, "\033[I", 3);
830: wp->flags |= PANE_FOCUSED;
1.2 nicm 831: }
832:
1.18 nicm 833: /*
834: * Update cursor position and mode settings. The scroll region and attributes
835: * are cleared when idle (waiting for an event) as this is the most likely time
836: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
837: * compromise between excessive resets and likelihood of an interrupt.
838: *
839: * tty_region/tty_reset/tty_update_mode already take care of not resetting
840: * things that are already in their default state.
841: */
1.1 nicm 842: void
1.18 nicm 843: server_client_reset_state(struct client *c)
1.1 nicm 844: {
1.18 nicm 845: struct window *w = c->session->curw->window;
846: struct window_pane *wp = w->active;
847: struct screen *s = wp->screen;
848: struct options *oo = &c->session->options;
1.66 nicm 849: int status, mode, o;
1.60 nicm 850:
851: if (c->flags & CLIENT_SUSPENDED)
852: return;
1.1 nicm 853:
1.86 nicm 854: if (c->flags & CLIENT_CONTROL)
855: return;
856:
1.1 nicm 857: tty_region(&c->tty, 0, c->tty.sy - 1);
858:
859: status = options_get_number(oo, "status");
860: if (!window_pane_visible(wp) || wp->yoff + s->cy >= c->tty.sy - status)
861: tty_cursor(&c->tty, 0, 0);
1.66 nicm 862: else {
1.126 nicm 863: o = status && options_get_number(oo, "status-position") == 0;
1.66 nicm 864: tty_cursor(&c->tty, wp->xoff + s->cx, o + wp->yoff + s->cy);
865: }
1.1 nicm 866:
1.50 nicm 867: /*
1.131 nicm 868: * Set mouse mode if requested. To support dragging, always use button
869: * mode.
1.57 nicm 870: */
871: mode = s->mode;
1.131 nicm 872: if (options_get_number(oo, "mouse"))
873: mode = (mode & ~ALL_MOUSE_MODES) | MODE_MOUSE_BUTTON;
1.48 nicm 874:
875: /*
876: * Set UTF-8 mouse input if required. If the terminal is UTF-8, the
877: * user has set mouse-utf8 and any mouse mode is in effect, turn on
878: * UTF-8 mouse input. If the receiving terminal hasn't requested it
879: * (that is, it isn't in s->mode), then it'll be converted in
880: * input_mouse.
881: */
882: if ((c->tty.flags & TTY_UTF8) &&
883: (mode & ALL_MOUSE_MODES) && options_get_number(oo, "mouse-utf8"))
884: mode |= MODE_MOUSE_UTF8;
885: else
886: mode &= ~MODE_MOUSE_UTF8;
887:
888: /* Set the terminal mode and reset attributes. */
1.59 nicm 889: tty_update_mode(&c->tty, mode, s);
1.1 nicm 890: tty_reset(&c->tty);
1.17 nicm 891: }
892:
893: /* Repeat time callback. */
894: void
895: server_client_repeat_timer(unused int fd, unused short events, void *data)
896: {
897: struct client *c = data;
898:
1.85 nicm 899: if (c->flags & CLIENT_REPEAT) {
1.132 nicm 900: server_client_key_table(c, "root");
901: c->flags &= ~CLIENT_REPEAT;
902: server_status_client(c);
1.85 nicm 903: }
1.1 nicm 904: }
905:
1.36 nicm 906: /* Check if client should be exited. */
907: void
908: server_client_check_exit(struct client *c)
909: {
910: if (!(c->flags & CLIENT_EXIT))
911: return;
912:
1.73 nicm 913: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
914: return;
915: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 916: return;
1.73 nicm 917: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 918: return;
919:
1.107 nicm 920: server_write_client(c, MSG_EXIT, &c->retval, sizeof c->retval);
1.36 nicm 921: c->flags &= ~CLIENT_EXIT;
1.38 nicm 922: }
923:
1.1 nicm 924: /* Check for client redraws. */
925: void
926: server_client_check_redraw(struct client *c)
927: {
928: struct session *s = c->session;
1.137 nicm 929: struct tty *tty = &c->tty;
1.1 nicm 930: struct window_pane *wp;
931: int flags, redraw;
932:
1.86 nicm 933: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 934: return;
935:
1.1 nicm 936: if (c->flags & (CLIENT_REDRAW|CLIENT_STATUS)) {
937: if (options_get_number(&s->options, "set-titles"))
938: server_client_set_title(c);
1.12 nicm 939:
1.1 nicm 940: if (c->message_string != NULL)
941: redraw = status_message_redraw(c);
942: else if (c->prompt_string != NULL)
943: redraw = status_prompt_redraw(c);
944: else
945: redraw = status_redraw(c);
946: if (!redraw)
947: c->flags &= ~CLIENT_STATUS;
948: }
949:
1.137 nicm 950: flags = tty->flags & (TTY_FREEZE|TTY_NOCURSOR);
951: tty->flags = (tty->flags & ~TTY_FREEZE) | TTY_NOCURSOR;
952:
1.1 nicm 953: if (c->flags & CLIENT_REDRAW) {
1.137 nicm 954: tty_update_mode(tty, tty->mode, NULL);
1.115 nicm 955: screen_redraw_screen(c, 1, 1, 1);
1.27 nicm 956: c->flags &= ~(CLIENT_STATUS|CLIENT_BORDERS);
1.38 nicm 957: } else if (c->flags & CLIENT_REDRAWWINDOW) {
1.137 nicm 958: tty_update_mode(tty, tty->mode, NULL);
1.38 nicm 959: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry)
960: screen_redraw_pane(c, wp);
961: c->flags &= ~CLIENT_REDRAWWINDOW;
1.1 nicm 962: } else {
963: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 964: if (wp->flags & PANE_REDRAW) {
965: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 966: screen_redraw_pane(c, wp);
1.137 nicm 967: }
1.1 nicm 968: }
969: }
970:
1.137 nicm 971: if (c->flags & CLIENT_BORDERS) {
972: tty_update_mode(tty, tty->mode, NULL);
1.115 nicm 973: screen_redraw_screen(c, 0, 0, 1);
1.137 nicm 974: }
1.27 nicm 975:
1.137 nicm 976: if (c->flags & CLIENT_STATUS) {
977: tty_update_mode(tty, tty->mode, NULL);
1.115 nicm 978: screen_redraw_screen(c, 0, 1, 0);
1.137 nicm 979: }
1.1 nicm 980:
1.137 nicm 981: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
982: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 983:
1.27 nicm 984: c->flags &= ~(CLIENT_REDRAW|CLIENT_STATUS|CLIENT_BORDERS);
1.1 nicm 985: }
986:
987: /* Set client title. */
988: void
989: server_client_set_title(struct client *c)
990: {
1.128 nicm 991: struct session *s = c->session;
992: const char *template;
993: char *title;
994: struct format_tree *ft;
1.1 nicm 995:
996: template = options_get_string(&s->options, "set-titles-string");
1.25 nicm 997:
1.128 nicm 998: ft = format_create();
999: format_defaults(ft, c, NULL, NULL, NULL);
1000:
1001: title = format_expand_time(ft, template, time(NULL));
1.1 nicm 1002: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1003: free(c->title);
1.1 nicm 1004: c->title = xstrdup(title);
1005: tty_set_title(&c->tty, c->title);
1006: }
1.77 nicm 1007: free(title);
1.128 nicm 1008:
1009: format_free(ft);
1.1 nicm 1010: }
1011:
1012: /* Dispatch message from client. */
1013: int
1014: server_client_msg_dispatch(struct client *c)
1015: {
1016: struct imsg imsg;
1.73 nicm 1017: struct msg_stdin_data stdindata;
1.108 nicm 1018: const char *data;
1.1 nicm 1019: ssize_t n, datalen;
1020:
1.8 deraadt 1021: if ((n = imsg_read(&c->ibuf)) == -1 || n == 0)
1022: return (-1);
1.1 nicm 1023:
1024: for (;;) {
1025: if ((n = imsg_get(&c->ibuf, &imsg)) == -1)
1026: return (-1);
1027: if (n == 0)
1028: return (0);
1.108 nicm 1029:
1030: data = imsg.data;
1.1 nicm 1031: datalen = imsg.hdr.len - IMSG_HEADER_SIZE;
1032:
1033: if (imsg.hdr.peerid != PROTOCOL_VERSION) {
1034: server_write_client(c, MSG_VERSION, NULL, 0);
1035: c->flags |= CLIENT_BAD;
1.112 nicm 1036: if (imsg.fd != -1)
1037: close(imsg.fd);
1.1 nicm 1038: imsg_free(&imsg);
1039: continue;
1040: }
1041:
1.129 nicm 1042: log_debug("got %u from client %d", imsg.hdr.type, c->ibuf.fd);
1.1 nicm 1043: switch (imsg.hdr.type) {
1.109 nicm 1044: case MSG_IDENTIFY_FLAGS:
1045: case MSG_IDENTIFY_TERM:
1046: case MSG_IDENTIFY_TTYNAME:
1047: case MSG_IDENTIFY_CWD:
1048: case MSG_IDENTIFY_STDIN:
1049: case MSG_IDENTIFY_ENVIRON:
1.143 nicm 1050: case MSG_IDENTIFY_CLIENTPID:
1.109 nicm 1051: case MSG_IDENTIFY_DONE:
1052: server_client_msg_identify(c, &imsg);
1.1 nicm 1053: break;
1.108 nicm 1054: case MSG_COMMAND:
1055: server_client_msg_command(c, &imsg);
1056: break;
1.73 nicm 1057: case MSG_STDIN:
1058: if (datalen != sizeof stdindata)
1059: fatalx("bad MSG_STDIN size");
1.108 nicm 1060: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1061:
1.73 nicm 1062: if (c->stdin_callback == NULL)
1063: break;
1064: if (stdindata.size <= 0)
1065: c->stdin_closed = 1;
1066: else {
1067: evbuffer_add(c->stdin_data, stdindata.data,
1068: stdindata.size);
1069: }
1070: c->stdin_callback(c, c->stdin_closed,
1071: c->stdin_callback_data);
1.33 nicm 1072: break;
1.1 nicm 1073: case MSG_RESIZE:
1074: if (datalen != 0)
1075: fatalx("bad MSG_RESIZE size");
1076:
1.86 nicm 1077: if (c->flags & CLIENT_CONTROL)
1078: break;
1.32 nicm 1079: if (tty_resize(&c->tty)) {
1080: recalculate_sizes();
1081: server_redraw_client(c);
1082: }
1.1 nicm 1083: break;
1084: case MSG_EXITING:
1085: if (datalen != 0)
1086: fatalx("bad MSG_EXITING size");
1087:
1088: c->session = NULL;
1089: tty_close(&c->tty);
1090: server_write_client(c, MSG_EXITED, NULL, 0);
1091: break;
1092: case MSG_WAKEUP:
1093: case MSG_UNLOCK:
1094: if (datalen != 0)
1095: fatalx("bad MSG_WAKEUP size");
1096:
1097: if (!(c->flags & CLIENT_SUSPENDED))
1098: break;
1099: c->flags &= ~CLIENT_SUSPENDED;
1.121 nicm 1100:
1101: if (c->tty.fd == -1) /* exited in the meantime */
1102: break;
1.10 nicm 1103:
1.11 nicm 1104: if (gettimeofday(&c->activity_time, NULL) != 0)
1105: fatal("gettimeofday");
1.47 nicm 1106: if (c->session != NULL)
1107: session_update_activity(c->session);
1.10 nicm 1108:
1.1 nicm 1109: tty_start_tty(&c->tty);
1110: server_redraw_client(c);
1111: recalculate_sizes();
1112: break;
1113: case MSG_SHELL:
1114: if (datalen != 0)
1115: fatalx("bad MSG_SHELL size");
1116:
1117: server_client_msg_shell(c);
1118: break;
1119: }
1120:
1121: imsg_free(&imsg);
1122: }
1123: }
1124:
1125: /* Handle command message. */
1126: void
1.108 nicm 1127: server_client_msg_command(struct client *c, struct imsg *imsg)
1.1 nicm 1128: {
1.108 nicm 1129: struct msg_command_data data;
1130: char *buf;
1131: size_t len;
1132: struct cmd_list *cmdlist = NULL;
1133: int argc;
1134: char **argv, *cause;
1135:
1136: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1137: fatalx("bad MSG_COMMAND size");
1138: memcpy(&data, imsg->data, sizeof data);
1139:
1.124 nicm 1140: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1141: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1142: if (len > 0 && buf[len - 1] != '\0')
1143: fatalx("bad MSG_COMMAND string");
1144:
1145: argc = data.argc;
1146: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.94 nicm 1147: cmdq_error(c->cmdq, "command too long");
1.1 nicm 1148: goto error;
1149: }
1150:
1151: if (argc == 0) {
1152: argc = 1;
1153: argv = xcalloc(1, sizeof *argv);
1154: *argv = xstrdup("new-session");
1155: }
1156:
1.94 nicm 1157: if ((cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause)) == NULL) {
1158: cmdq_error(c->cmdq, "%s", cause);
1.1 nicm 1159: cmd_free_argv(argc, argv);
1160: goto error;
1161: }
1162: cmd_free_argv(argc, argv);
1163:
1.113 nicm 1164: if (c != cfg_client || cfg_finished)
1.131 nicm 1165: cmdq_run(c->cmdq, cmdlist, NULL);
1.113 nicm 1166: else
1.131 nicm 1167: cmdq_append(c->cmdq, cmdlist, NULL);
1.1 nicm 1168: cmd_list_free(cmdlist);
1169: return;
1170:
1171: error:
1172: if (cmdlist != NULL)
1173: cmd_list_free(cmdlist);
1.88 nicm 1174:
1.36 nicm 1175: c->flags |= CLIENT_EXIT;
1.1 nicm 1176: }
1177:
1178: /* Handle identify message. */
1179: void
1.109 nicm 1180: server_client_msg_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1181: {
1.109 nicm 1182: const char *data;
1183: size_t datalen;
1184: int flags;
1185:
1186: if (c->flags & CLIENT_IDENTIFIED)
1187: fatalx("out-of-order identify message");
1188:
1189: data = imsg->data;
1190: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1191:
1192: switch (imsg->hdr.type) {
1193: case MSG_IDENTIFY_FLAGS:
1194: if (datalen != sizeof flags)
1195: fatalx("bad MSG_IDENTIFY_FLAGS size");
1196: memcpy(&flags, data, sizeof flags);
1197: c->flags |= flags;
1198: break;
1199: case MSG_IDENTIFY_TERM:
1.110 nicm 1200: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1201: fatalx("bad MSG_IDENTIFY_TERM string");
1202: c->term = xstrdup(data);
1203: break;
1204: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1205: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1206: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1207: c->ttyname = xstrdup(data);
1208: break;
1209: case MSG_IDENTIFY_CWD:
1210: if (datalen != 0)
1211: fatalx("bad MSG_IDENTIFY_CWD size");
1212: c->cwd = imsg->fd;
1213: break;
1214: case MSG_IDENTIFY_STDIN:
1215: if (datalen != 0)
1216: fatalx("bad MSG_IDENTIFY_STDIN size");
1217: c->fd = imsg->fd;
1218: break;
1219: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1220: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1221: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1222: if (strchr(data, '=') != NULL)
1223: environ_put(&c->environ, data);
1.143 nicm 1224: break;
1225: case MSG_IDENTIFY_CLIENTPID:
1226: if (datalen != sizeof c->pid)
1227: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1228: memcpy(&c->pid, data, sizeof c->pid);
1.109 nicm 1229: break;
1230: default:
1231: break;
1232: }
1233:
1234: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1235: return;
1236: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1237:
1.109 nicm 1238: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1239: c->stdin_callback = control_callback;
1.109 nicm 1240:
1.97 nicm 1241: evbuffer_free(c->stderr_data);
1242: c->stderr_data = c->stdout_data;
1.109 nicm 1243:
1244: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1245: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.79 nicm 1246: server_write_client(c, MSG_STDIN, NULL, 0);
1.75 nicm 1247:
1248: c->tty.fd = -1;
1249: c->tty.log_fd = -1;
1250:
1.109 nicm 1251: close(c->fd);
1252: c->fd = -1;
1253:
1.75 nicm 1254: return;
1255: }
1.1 nicm 1256:
1.109 nicm 1257: if (c->fd == -1)
1.104 nicm 1258: return;
1.145 nicm 1259: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1.109 nicm 1260: close(c->fd);
1261: c->fd = -1;
1.80 nicm 1262: return;
1263: }
1.109 nicm 1264: if (c->flags & CLIENT_UTF8)
1.1 nicm 1265: c->tty.flags |= TTY_UTF8;
1.109 nicm 1266: if (c->flags & CLIENT_256COLOURS)
1.1 nicm 1267: c->tty.term_flags |= TERM_256COLOURS;
1268:
1269: tty_resize(&c->tty);
1270:
1.109 nicm 1271: if (!(c->flags & CLIENT_CONTROL))
1.86 nicm 1272: c->flags |= CLIENT_TERMINAL;
1.1 nicm 1273: }
1274:
1275: /* Handle shell message. */
1276: void
1277: server_client_msg_shell(struct client *c)
1278: {
1.107 nicm 1279: const char *shell;
1.25 nicm 1280:
1.1 nicm 1281: shell = options_get_string(&global_s_options, "default-shell");
1282: if (*shell == '\0' || areshell(shell))
1283: shell = _PATH_BSHELL;
1.107 nicm 1284: server_write_client(c, MSG_SHELL, shell, strlen(shell) + 1);
1.25 nicm 1285:
1.1 nicm 1286: c->flags |= CLIENT_BAD; /* it will die after exec */
1287: }