Annotation of src/usr.bin/tmux/server-client.c, Revision 1.288
1.288 ! nicm 1: /* $OpenBSD: server-client.c,v 1.287 2019/06/11 13:09:00 nicm Exp $ */
1.1 nicm 2:
3: /*
1.181 nicm 4: * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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>
1.162 nicm 21: #include <sys/uio.h>
1.1 nicm 22:
1.114 benno 23: #include <errno.h>
1.12 nicm 24: #include <event.h>
1.1 nicm 25: #include <fcntl.h>
1.162 nicm 26: #include <imsg.h>
1.98 nicm 27: #include <paths.h>
28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
1.4 nicm 30: #include <time.h>
1.1 nicm 31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.190 nicm 35: static void server_client_free(int, short, void *);
36: static void server_client_check_focus(struct window_pane *);
37: static void server_client_check_resize(struct window_pane *);
1.276 nicm 38: static key_code server_client_check_mouse(struct client *, struct key_event *);
1.190 nicm 39: static void server_client_repeat_timer(int, short, void *);
1.192 nicm 40: static void server_client_click_timer(int, short, void *);
1.190 nicm 41: static void server_client_check_exit(struct client *);
42: static void server_client_check_redraw(struct client *);
43: static void server_client_set_title(struct client *);
44: static void server_client_reset_state(struct client *);
45: static int server_client_assume_paste(struct session *);
1.281 nicm 46: static void server_client_clear_overlay(struct client *);
1.190 nicm 47:
48: static void server_client_dispatch(struct imsg *, void *);
49: static void server_client_dispatch_command(struct client *, struct imsg *);
50: static void server_client_dispatch_identify(struct client *, struct imsg *);
51: static void server_client_dispatch_shell(struct client *);
1.233 nicm 52:
53: /* Number of attached clients. */
54: u_int
55: server_client_how_many(void)
56: {
57: struct client *c;
58: u_int n;
59:
60: n = 0;
61: TAILQ_FOREACH(c, &clients, entry) {
62: if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
63: n++;
64: }
65: return (n);
66: }
1.140 nicm 67:
1.281 nicm 68: /* Overlay timer callback. */
1.214 nicm 69: static void
1.281 nicm 70: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214 nicm 71: {
1.281 nicm 72: server_client_clear_overlay(data);
1.214 nicm 73: }
74:
1.281 nicm 75: /* Set an overlay on client. */
1.214 nicm 76: void
1.281 nicm 77: server_client_set_overlay(struct client *c, u_int delay, overlay_draw_cb drawcb,
78: overlay_key_cb keycb, overlay_free_cb freecb, void *data)
1.214 nicm 79: {
80: struct timeval tv;
81:
1.282 nicm 82: if (c->overlay_draw != NULL)
83: server_client_clear_overlay(c);
84:
1.214 nicm 85: tv.tv_sec = delay / 1000;
86: tv.tv_usec = (delay % 1000) * 1000L;
87:
1.281 nicm 88: if (event_initialized(&c->overlay_timer))
89: evtimer_del(&c->overlay_timer);
90: evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242 nicm 91: if (delay != 0)
1.281 nicm 92: evtimer_add(&c->overlay_timer, &tv);
93:
94: c->overlay_draw = drawcb;
95: c->overlay_key = keycb;
96: c->overlay_free = freecb;
97: c->overlay_data = data;
1.214 nicm 98:
99: c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
100: server_redraw_client(c);
101: }
102:
1.281 nicm 103: /* Clear overlay mode on client. */
1.254 nicm 104: static void
1.281 nicm 105: server_client_clear_overlay(struct client *c)
1.214 nicm 106: {
1.281 nicm 107: if (c->overlay_draw == NULL)
1.214 nicm 108: return;
109:
1.281 nicm 110: if (event_initialized(&c->overlay_timer))
111: evtimer_del(&c->overlay_timer);
112:
113: if (c->overlay_free != NULL)
114: c->overlay_free(c);
115:
116: c->overlay_draw = NULL;
117: c->overlay_key = NULL;
1.214 nicm 118:
119: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
120: server_redraw_client(c);
121: }
122:
1.140 nicm 123: /* Check if this client is inside this server. */
124: int
125: server_client_check_nested(struct client *c)
126: {
127: struct environ_entry *envent;
128: struct window_pane *wp;
129:
1.164 nicm 130: envent = environ_find(c->environ, "TMUX");
1.140 nicm 131: if (envent == NULL || *envent->value == '\0')
132: return (0);
133:
134: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 135: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 136: return (1);
137: }
138: return (0);
139: }
1.1 nicm 140:
1.132 nicm 141: /* Set client key table. */
142: void
1.178 nicm 143: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 144: {
1.178 nicm 145: if (name == NULL)
146: name = server_client_get_key_table(c);
147:
1.132 nicm 148: key_bindings_unref_table(c->keytable);
149: c->keytable = key_bindings_get_table(name, 1);
150: c->keytable->references++;
151: }
152:
1.178 nicm 153: /* Get default key table. */
154: const char *
155: server_client_get_key_table(struct client *c)
156: {
157: struct session *s = c->session;
158: const char *name;
159:
160: if (s == NULL)
161: return ("root");
162:
163: name = options_get_string(s->options, "key-table");
164: if (*name == '\0')
165: return ("root");
166: return (name);
167: }
168:
1.223 nicm 169: /* Is this table the default key table? */
170: static int
171: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 172: {
1.223 nicm 173: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 174: }
175:
1.1 nicm 176: /* Create a new client. */
1.246 nicm 177: struct client *
1.1 nicm 178: server_client_create(int fd)
179: {
180: struct client *c;
181:
1.49 nicm 182: setblocking(fd, 0);
1.1 nicm 183:
184: c = xcalloc(1, sizeof *c);
1.141 nicm 185: c->references = 1;
1.162 nicm 186: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 187:
1.10 nicm 188: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 189: fatal("gettimeofday failed");
1.11 nicm 190: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 191:
1.164 nicm 192: c->environ = environ_create();
1.1 nicm 193:
1.146 nicm 194: c->fd = -1;
1.165 nicm 195: c->cwd = NULL;
1.145 nicm 196:
1.194 nicm 197: TAILQ_INIT(&c->queue);
1.94 nicm 198:
1.116 nicm 199: c->stdin_data = evbuffer_new();
1.263 nicm 200: if (c->stdin_data == NULL)
201: fatalx("out of memory");
1.116 nicm 202: c->stdout_data = evbuffer_new();
1.263 nicm 203: if (c->stdout_data == NULL)
204: fatalx("out of memory");
1.116 nicm 205: c->stderr_data = evbuffer_new();
1.263 nicm 206: if (c->stderr_data == NULL)
207: fatalx("out of memory");
1.33 nicm 208:
1.1 nicm 209: c->tty.fd = -1;
210: c->title = NULL;
211:
212: c->session = NULL;
1.45 nicm 213: c->last_session = NULL;
1.261 nicm 214:
1.1 nicm 215: c->tty.sx = 80;
216: c->tty.sy = 24;
217:
1.271 nicm 218: status_init(c);
1.1 nicm 219:
220: c->message_string = NULL;
1.136 nicm 221: TAILQ_INIT(&c->message_log);
1.1 nicm 222:
223: c->prompt_string = NULL;
224: c->prompt_buffer = NULL;
225: c->prompt_index = 0;
226:
1.93 nicm 227: c->flags |= CLIENT_FOCUSED;
228:
1.132 nicm 229: c->keytable = key_bindings_get_table("root", 1);
230: c->keytable->references++;
231:
1.17 nicm 232: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 233: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 234:
1.135 nicm 235: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 236: log_debug("new client %p", c);
1.246 nicm 237: return (c);
1.72 nicm 238: }
239:
240: /* Open client terminal if needed. */
241: int
1.119 nicm 242: server_client_open(struct client *c, char **cause)
1.72 nicm 243: {
1.75 nicm 244: if (c->flags & CLIENT_CONTROL)
245: return (0);
1.120 nicm 246:
247: if (strcmp(c->ttyname, "/dev/tty") == 0) {
248: *cause = xstrdup("can't use /dev/tty");
249: return (-1);
250: }
1.75 nicm 251:
1.72 nicm 252: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 253: *cause = xstrdup("not a terminal");
1.72 nicm 254: return (-1);
255: }
256:
1.119 nicm 257: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 258: return (-1);
259:
260: return (0);
1.1 nicm 261: }
262:
263: /* Lost a client. */
264: void
265: server_client_lost(struct client *c)
266: {
1.136 nicm 267: struct message_entry *msg, *msg1;
1.1 nicm 268:
1.141 nicm 269: c->flags |= CLIENT_DEAD;
270:
1.281 nicm 271: server_client_clear_overlay(c);
1.141 nicm 272: status_prompt_clear(c);
273: status_message_clear(c);
274:
275: if (c->stdin_callback != NULL)
276: c->stdin_callback(c, 1, c->stdin_callback_data);
277:
1.135 nicm 278: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 279: log_debug("lost client %p", c);
1.1 nicm 280:
281: /*
282: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
283: * and tty_free might close an unrelated fd.
284: */
285: if (c->flags & CLIENT_TERMINAL)
286: tty_free(&c->tty);
1.109 nicm 287: free(c->ttyname);
288: free(c->term);
1.1 nicm 289:
1.113 nicm 290: evbuffer_free(c->stdin_data);
291: evbuffer_free(c->stdout_data);
1.97 nicm 292: if (c->stderr_data != c->stdout_data)
1.126 nicm 293: evbuffer_free(c->stderr_data);
1.33 nicm 294:
1.270 nicm 295: status_free(c);
1.1 nicm 296:
1.77 nicm 297: free(c->title);
1.165 nicm 298: free((void *)c->cwd);
1.1 nicm 299:
1.17 nicm 300: evtimer_del(&c->repeat_timer);
1.192 nicm 301: evtimer_del(&c->click_timer);
1.17 nicm 302:
1.132 nicm 303: key_bindings_unref_table(c->keytable);
304:
1.77 nicm 305: free(c->message_string);
1.116 nicm 306: if (event_initialized(&c->message_timer))
1.69 nicm 307: evtimer_del(&c->message_timer);
1.136 nicm 308: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 309: free(msg->msg);
1.136 nicm 310: TAILQ_REMOVE(&c->message_log, msg, entry);
311: free(msg);
1.21 nicm 312: }
1.1 nicm 313:
1.259 nicm 314: free(c->prompt_saved);
1.77 nicm 315: free(c->prompt_string);
316: free(c->prompt_buffer);
1.61 nicm 317:
1.228 nicm 318: format_lost_client(c);
1.164 nicm 319: environ_free(c->environ);
1.1 nicm 320:
1.162 nicm 321: proc_remove_peer(c->peer);
322: c->peer = NULL;
1.13 nicm 323:
1.142 nicm 324: server_client_unref(c);
1.71 nicm 325:
326: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 327:
328: recalculate_sizes();
1.41 nicm 329: server_check_unattached();
1.19 nicm 330: server_update_socket();
1.141 nicm 331: }
332:
333: /* Remove reference from a client. */
334: void
1.142 nicm 335: server_client_unref(struct client *c)
1.141 nicm 336: {
1.157 nicm 337: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 338:
339: c->references--;
340: if (c->references == 0)
341: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
342: }
343:
344: /* Free dead client. */
1.190 nicm 345: static void
1.170 nicm 346: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 347: {
348: struct client *c = arg;
349:
1.157 nicm 350: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 351:
1.194 nicm 352: if (!TAILQ_EMPTY(&c->queue))
353: fatalx("queue not empty");
354:
1.216 nicm 355: if (c->references == 0) {
356: free((void *)c->name);
1.141 nicm 357: free(c);
1.216 nicm 358: }
1.9 nicm 359: }
360:
1.220 nicm 361: /* Suspend a client. */
362: void
363: server_client_suspend(struct client *c)
364: {
1.232 nicm 365: struct session *s = c->session;
1.220 nicm 366:
367: if (s == NULL || (c->flags & CLIENT_DETACHING))
368: return;
369:
370: tty_stop_tty(&c->tty);
371: c->flags |= CLIENT_SUSPENDED;
372: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
373: }
374:
1.174 nicm 375: /* Detach a client. */
376: void
377: server_client_detach(struct client *c, enum msgtype msgtype)
378: {
1.232 nicm 379: struct session *s = c->session;
1.174 nicm 380:
1.220 nicm 381: if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174 nicm 382: return;
383:
1.220 nicm 384: c->flags |= CLIENT_DETACHING;
1.196 nicm 385: notify_client("client-detached", c);
1.240 nicm 386: proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
1.207 nicm 387: }
388:
1.208 nicm 389: /* Execute command to replace a client. */
1.207 nicm 390: void
391: server_client_exec(struct client *c, const char *cmd)
392: {
393: struct session *s = c->session;
1.208 nicm 394: char *msg;
395: const char *shell;
1.207 nicm 396: size_t cmdsize, shellsize;
397:
398: if (*cmd == '\0')
399: return;
400: cmdsize = strlen(cmd) + 1;
401:
402: if (s != NULL)
403: shell = options_get_string(s->options, "default-shell");
404: else
405: shell = options_get_string(global_s_options, "default-shell");
406: shellsize = strlen(shell) + 1;
407:
408: msg = xmalloc(cmdsize + shellsize);
409: memcpy(msg, cmd, cmdsize);
410: memcpy(msg + cmdsize, shell, shellsize);
411:
412: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
413: free(msg);
1.174 nicm 414: }
415:
1.66 nicm 416: /* Check for mouse keys. */
1.190 nicm 417: static key_code
1.276 nicm 418: server_client_check_mouse(struct client *c, struct key_event *event)
1.66 nicm 419: {
1.276 nicm 420: struct mouse_event *m = &event->m;
1.192 nicm 421: struct session *s = c->session;
1.272 nicm 422: struct winlink *wl;
1.192 nicm 423: struct window_pane *wp;
1.261 nicm 424: u_int x, y, b, sx, sy, px, py;
1.192 nicm 425: int flag;
426: key_code key;
427: struct timeval tv;
1.272 nicm 428: struct style_range *sr;
1.283 nicm 429: enum { NOTYPE,
430: MOVE,
431: DOWN,
432: UP,
433: DRAG,
434: WHEEL,
435: DOUBLE,
436: TRIPLE } type = NOTYPE;
1.276 nicm 437: enum { NOWHERE,
438: PANE,
439: STATUS,
440: STATUS_LEFT,
441: STATUS_RIGHT,
442: STATUS_DEFAULT,
1.283 nicm 443: BORDER } where = NOWHERE;
1.131 nicm 444:
1.261 nicm 445: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
446: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 447:
448: /* What type of event is this? */
1.209 nicm 449: if ((m->sgr_type != ' ' &&
450: MOUSE_DRAG(m->sgr_b) &&
451: MOUSE_BUTTONS(m->sgr_b) == 3) ||
452: (m->sgr_type == ' ' &&
453: MOUSE_DRAG(m->b) &&
454: MOUSE_BUTTONS(m->b) == 3 &&
455: MOUSE_BUTTONS(m->lb) == 3)) {
456: type = MOVE;
457: x = m->x, y = m->y, b = 0;
458: log_debug("move at %u,%u", x, y);
459: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 460: type = DRAG;
461: if (c->tty.mouse_drag_flag) {
462: x = m->x, y = m->y, b = m->b;
1.278 nicm 463: if (x == m->lx && y == m->ly)
464: return (KEYC_UNKNOWN);
1.131 nicm 465: log_debug("drag update at %u,%u", x, y);
466: } else {
1.277 nicm 467: x = m->lx, y = m->ly, b = m->lb;
1.131 nicm 468: log_debug("drag start at %u,%u", x, y);
469: }
470: } else if (MOUSE_WHEEL(m->b)) {
471: type = WHEEL;
472: x = m->x, y = m->y, b = m->b;
473: log_debug("wheel at %u,%u", x, y);
1.200 nicm 474: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 475: type = UP;
476: x = m->x, y = m->y, b = m->lb;
477: log_debug("up at %u,%u", x, y);
478: } else {
1.192 nicm 479: if (c->flags & CLIENT_DOUBLECLICK) {
480: evtimer_del(&c->click_timer);
481: c->flags &= ~CLIENT_DOUBLECLICK;
482: if (m->b == c->click_button) {
483: type = DOUBLE;
484: x = m->x, y = m->y, b = m->b;
485: log_debug("double-click at %u,%u", x, y);
486: flag = CLIENT_TRIPLECLICK;
487: goto add_timer;
488: }
489: } else if (c->flags & CLIENT_TRIPLECLICK) {
490: evtimer_del(&c->click_timer);
491: c->flags &= ~CLIENT_TRIPLECLICK;
492: if (m->b == c->click_button) {
493: type = TRIPLE;
494: x = m->x, y = m->y, b = m->b;
495: log_debug("triple-click at %u,%u", x, y);
496: goto have_event;
497: }
498: }
499:
1.131 nicm 500: type = DOWN;
501: x = m->x, y = m->y, b = m->b;
502: log_debug("down at %u,%u", x, y);
1.192 nicm 503: flag = CLIENT_DOUBLECLICK;
504:
505: add_timer:
506: if (KEYC_CLICK_TIMEOUT != 0) {
507: c->flags |= flag;
508: c->click_button = m->b;
509:
510: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
511: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
512: evtimer_del(&c->click_timer);
513: evtimer_add(&c->click_timer, &tv);
514: }
1.131 nicm 515: }
1.192 nicm 516:
517: have_event:
1.131 nicm 518: if (type == NOTYPE)
1.177 nicm 519: return (KEYC_UNKNOWN);
1.131 nicm 520:
1.258 nicm 521: /* Save the session. */
1.131 nicm 522: m->s = s->id;
1.258 nicm 523: m->w = -1;
1.131 nicm 524:
525: /* Is this on the status line? */
526: m->statusat = status_at_line(c);
1.272 nicm 527: if (m->statusat != -1 &&
528: y >= (u_int)m->statusat &&
1.273 nicm 529: y < m->statusat + status_line_size(c)) {
1.272 nicm 530: sr = status_get_range(c, x, y - m->statusat);
1.274 nicm 531: if (sr == NULL) {
532: where = STATUS_DEFAULT;
533: } else {
534: switch (sr->type) {
535: case STYLE_RANGE_NONE:
1.273 nicm 536: return (KEYC_UNKNOWN);
1.274 nicm 537: case STYLE_RANGE_LEFT:
538: where = STATUS_LEFT;
539: break;
540: case STYLE_RANGE_RIGHT:
541: where = STATUS_RIGHT;
542: break;
543: case STYLE_RANGE_WINDOW:
544: wl = winlink_find_by_index(&s->windows, sr->argument);
545: if (wl == NULL)
546: return (KEYC_UNKNOWN);
547: m->w = wl->window->id;
1.273 nicm 548:
1.274 nicm 549: where = STATUS;
550: break;
551: }
1.258 nicm 552: }
553: }
1.131 nicm 554:
555: /* Not on status line. Adjust position and check for border or pane. */
556: if (where == NOWHERE) {
1.261 nicm 557: px = x;
1.131 nicm 558: if (m->statusat == 0 && y > 0)
1.261 nicm 559: py = y - 1;
1.131 nicm 560: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 561: py = m->statusat - 1;
562: else
563: py = y;
564:
565: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
566: log_debug("mouse window @%u at %u,%u (%ux%u)",
567: s->curw->window->id, m->ox, m->oy, sx, sy);
568: if (px > sx || py > sy)
569: return (KEYC_UNKNOWN);
570: px = px + m->ox;
571: py = py + m->oy;
1.131 nicm 572:
1.260 nicm 573: /* Try the pane borders if not zoomed. */
574: if (~s->curw->window->flags & WINDOW_ZOOMED) {
575: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 576: if ((wp->xoff + wp->sx == px &&
577: wp->yoff <= 1 + py &&
578: wp->yoff + wp->sy >= py) ||
579: (wp->yoff + wp->sy == py &&
580: wp->xoff <= 1 + px &&
581: wp->xoff + wp->sx >= px))
1.260 nicm 582: break;
583: }
584: if (wp != NULL)
585: where = BORDER;
1.131 nicm 586: }
1.260 nicm 587:
588: /* Otherwise try inside the pane. */
589: if (where == NOWHERE) {
1.261 nicm 590: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 591: if (wp != NULL)
1.131 nicm 592: where = PANE;
593: }
1.260 nicm 594:
1.131 nicm 595: if (where == NOWHERE)
1.177 nicm 596: return (KEYC_UNKNOWN);
1.260 nicm 597: if (where == PANE)
598: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
599: else if (where == BORDER)
600: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 601: m->wp = wp->id;
602: m->w = wp->window->id;
603: } else
604: m->wp = -1;
605:
606: /* Stop dragging if needed. */
1.200 nicm 607: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 608: if (c->tty.mouse_drag_release != NULL)
609: c->tty.mouse_drag_release(c, m);
610:
611: c->tty.mouse_drag_update = NULL;
612: c->tty.mouse_drag_release = NULL;
613:
1.182 nicm 614: /*
1.183 nicm 615: * End a mouse drag by passing a MouseDragEnd key corresponding
616: * to the button that started the drag.
1.182 nicm 617: */
618: switch (c->tty.mouse_drag_flag) {
619: case 1:
620: if (where == PANE)
1.183 nicm 621: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 622: if (where == STATUS)
1.183 nicm 623: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 624: if (where == STATUS_LEFT)
625: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
626: if (where == STATUS_RIGHT)
627: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 nicm 628: if (where == STATUS_DEFAULT)
629: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 630: if (where == BORDER)
1.183 nicm 631: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 632: break;
633: case 2:
634: if (where == PANE)
1.183 nicm 635: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 636: if (where == STATUS)
1.183 nicm 637: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 638: if (where == STATUS_LEFT)
639: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
640: if (where == STATUS_RIGHT)
641: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 nicm 642: if (where == STATUS_DEFAULT)
643: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 644: if (where == BORDER)
1.183 nicm 645: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 646: break;
647: case 3:
648: if (where == PANE)
1.183 nicm 649: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 650: if (where == STATUS)
1.183 nicm 651: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 652: if (where == STATUS_LEFT)
653: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
654: if (where == STATUS_RIGHT)
655: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 nicm 656: if (where == STATUS_DEFAULT)
657: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 658: if (where == BORDER)
1.183 nicm 659: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 660: break;
661: default:
662: key = KEYC_MOUSE;
663: break;
664: }
1.131 nicm 665: c->tty.mouse_drag_flag = 0;
1.182 nicm 666:
667: return (key);
1.131 nicm 668: }
669:
670: /* Convert to a key binding. */
1.177 nicm 671: key = KEYC_UNKNOWN;
1.131 nicm 672: switch (type) {
673: case NOTYPE:
674: break;
1.209 nicm 675: case MOVE:
676: if (where == PANE)
677: key = KEYC_MOUSEMOVE_PANE;
678: if (where == STATUS)
679: key = KEYC_MOUSEMOVE_STATUS;
1.274 nicm 680: if (where == STATUS_LEFT)
681: key = KEYC_MOUSEMOVE_STATUS_LEFT;
682: if (where == STATUS_RIGHT)
683: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
684: if (where == STATUS_DEFAULT)
685: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 686: if (where == BORDER)
687: key = KEYC_MOUSEMOVE_BORDER;
688: break;
1.131 nicm 689: case DRAG:
1.204 nicm 690: if (c->tty.mouse_drag_update != NULL)
691: key = KEYC_DRAGGING;
692: else {
1.131 nicm 693: switch (MOUSE_BUTTONS(b)) {
694: case 0:
695: if (where == PANE)
696: key = KEYC_MOUSEDRAG1_PANE;
697: if (where == STATUS)
698: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 699: if (where == STATUS_LEFT)
700: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
701: if (where == STATUS_RIGHT)
702: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 nicm 703: if (where == STATUS_DEFAULT)
704: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 705: if (where == BORDER)
706: key = KEYC_MOUSEDRAG1_BORDER;
707: break;
708: case 1:
709: if (where == PANE)
710: key = KEYC_MOUSEDRAG2_PANE;
711: if (where == STATUS)
712: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 713: if (where == STATUS_LEFT)
714: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
715: if (where == STATUS_RIGHT)
716: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 nicm 717: if (where == STATUS_DEFAULT)
718: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 719: if (where == BORDER)
720: key = KEYC_MOUSEDRAG2_BORDER;
721: break;
722: case 2:
723: if (where == PANE)
724: key = KEYC_MOUSEDRAG3_PANE;
725: if (where == STATUS)
726: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 727: if (where == STATUS_LEFT)
728: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
729: if (where == STATUS_RIGHT)
730: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 nicm 731: if (where == STATUS_DEFAULT)
732: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 733: if (where == BORDER)
734: key = KEYC_MOUSEDRAG3_BORDER;
735: break;
736: }
737: }
1.66 nicm 738:
1.182 nicm 739: /*
740: * Begin a drag by setting the flag to a non-zero value that
741: * corresponds to the mouse button in use.
742: */
743: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 744: break;
745: case WHEEL:
746: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
747: if (where == PANE)
748: key = KEYC_WHEELUP_PANE;
749: if (where == STATUS)
750: key = KEYC_WHEELUP_STATUS;
1.258 nicm 751: if (where == STATUS_LEFT)
752: key = KEYC_WHEELUP_STATUS_LEFT;
753: if (where == STATUS_RIGHT)
754: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 nicm 755: if (where == STATUS_DEFAULT)
756: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 757: if (where == BORDER)
758: key = KEYC_WHEELUP_BORDER;
759: } else {
760: if (where == PANE)
761: key = KEYC_WHEELDOWN_PANE;
762: if (where == STATUS)
763: key = KEYC_WHEELDOWN_STATUS;
1.274 nicm 764: if (where == STATUS_LEFT)
765: key = KEYC_WHEELDOWN_STATUS_LEFT;
766: if (where == STATUS_RIGHT)
767: key = KEYC_WHEELDOWN_STATUS_RIGHT;
768: if (where == STATUS_DEFAULT)
769: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 770: if (where == BORDER)
771: key = KEYC_WHEELDOWN_BORDER;
772: }
773: break;
774: case UP:
775: switch (MOUSE_BUTTONS(b)) {
776: case 0:
777: if (where == PANE)
778: key = KEYC_MOUSEUP1_PANE;
779: if (where == STATUS)
780: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 781: if (where == STATUS_LEFT)
782: key = KEYC_MOUSEUP1_STATUS_LEFT;
783: if (where == STATUS_RIGHT)
784: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 nicm 785: if (where == STATUS_DEFAULT)
786: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 787: if (where == BORDER)
788: key = KEYC_MOUSEUP1_BORDER;
789: break;
790: case 1:
791: if (where == PANE)
792: key = KEYC_MOUSEUP2_PANE;
793: if (where == STATUS)
794: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 795: if (where == STATUS_LEFT)
796: key = KEYC_MOUSEUP2_STATUS_LEFT;
797: if (where == STATUS_RIGHT)
798: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 nicm 799: if (where == STATUS_DEFAULT)
800: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 801: if (where == BORDER)
802: key = KEYC_MOUSEUP2_BORDER;
803: break;
804: case 2:
805: if (where == PANE)
806: key = KEYC_MOUSEUP3_PANE;
807: if (where == STATUS)
808: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 809: if (where == STATUS_LEFT)
810: key = KEYC_MOUSEUP3_STATUS_LEFT;
811: if (where == STATUS_RIGHT)
812: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 nicm 813: if (where == STATUS_DEFAULT)
814: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 815: if (where == BORDER)
816: key = KEYC_MOUSEUP3_BORDER;
817: break;
818: }
819: break;
820: case DOWN:
821: switch (MOUSE_BUTTONS(b)) {
822: case 0:
823: if (where == PANE)
824: key = KEYC_MOUSEDOWN1_PANE;
825: if (where == STATUS)
826: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 827: if (where == STATUS_LEFT)
828: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
829: if (where == STATUS_RIGHT)
830: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 nicm 831: if (where == STATUS_DEFAULT)
832: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 833: if (where == BORDER)
834: key = KEYC_MOUSEDOWN1_BORDER;
835: break;
836: case 1:
837: if (where == PANE)
838: key = KEYC_MOUSEDOWN2_PANE;
839: if (where == STATUS)
840: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 841: if (where == STATUS_LEFT)
842: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
843: if (where == STATUS_RIGHT)
844: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 nicm 845: if (where == STATUS_DEFAULT)
846: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 847: if (where == BORDER)
848: key = KEYC_MOUSEDOWN2_BORDER;
849: break;
850: case 2:
851: if (where == PANE)
852: key = KEYC_MOUSEDOWN3_PANE;
853: if (where == STATUS)
854: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 855: if (where == STATUS_LEFT)
856: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
857: if (where == STATUS_RIGHT)
858: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 nicm 859: if (where == STATUS_DEFAULT)
860: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 861: if (where == BORDER)
862: key = KEYC_MOUSEDOWN3_BORDER;
863: break;
1.66 nicm 864: }
1.131 nicm 865: break;
1.192 nicm 866: case DOUBLE:
867: switch (MOUSE_BUTTONS(b)) {
868: case 0:
869: if (where == PANE)
870: key = KEYC_DOUBLECLICK1_PANE;
871: if (where == STATUS)
872: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 873: if (where == STATUS_LEFT)
874: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
875: if (where == STATUS_RIGHT)
876: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 nicm 877: if (where == STATUS_DEFAULT)
878: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 879: if (where == BORDER)
880: key = KEYC_DOUBLECLICK1_BORDER;
881: break;
882: case 1:
883: if (where == PANE)
884: key = KEYC_DOUBLECLICK2_PANE;
885: if (where == STATUS)
886: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 887: if (where == STATUS_LEFT)
888: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
889: if (where == STATUS_RIGHT)
890: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 nicm 891: if (where == STATUS_DEFAULT)
892: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 893: if (where == BORDER)
894: key = KEYC_DOUBLECLICK2_BORDER;
895: break;
896: case 2:
897: if (where == PANE)
898: key = KEYC_DOUBLECLICK3_PANE;
899: if (where == STATUS)
900: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 901: if (where == STATUS_LEFT)
902: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
903: if (where == STATUS_RIGHT)
904: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 nicm 905: if (where == STATUS_DEFAULT)
906: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 907: if (where == BORDER)
908: key = KEYC_DOUBLECLICK3_BORDER;
909: break;
910: }
911: break;
912: case TRIPLE:
913: switch (MOUSE_BUTTONS(b)) {
914: case 0:
915: if (where == PANE)
916: key = KEYC_TRIPLECLICK1_PANE;
917: if (where == STATUS)
918: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 919: if (where == STATUS_LEFT)
920: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
921: if (where == STATUS_RIGHT)
922: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 nicm 923: if (where == STATUS_DEFAULT)
924: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 925: if (where == BORDER)
926: key = KEYC_TRIPLECLICK1_BORDER;
927: break;
928: case 1:
929: if (where == PANE)
930: key = KEYC_TRIPLECLICK2_PANE;
931: if (where == STATUS)
932: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 933: if (where == STATUS_LEFT)
934: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
935: if (where == STATUS_RIGHT)
936: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 nicm 937: if (where == STATUS_DEFAULT)
938: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 939: if (where == BORDER)
940: key = KEYC_TRIPLECLICK2_BORDER;
941: break;
942: case 2:
943: if (where == PANE)
944: key = KEYC_TRIPLECLICK3_PANE;
945: if (where == STATUS)
946: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 947: if (where == STATUS_LEFT)
948: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
949: if (where == STATUS_RIGHT)
950: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 nicm 951: if (where == STATUS_DEFAULT)
952: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 953: if (where == BORDER)
954: key = KEYC_TRIPLECLICK3_BORDER;
955: break;
956: }
957: break;
1.66 nicm 958: }
1.177 nicm 959: if (key == KEYC_UNKNOWN)
960: return (KEYC_UNKNOWN);
1.66 nicm 961:
1.131 nicm 962: /* Apply modifiers if any. */
963: if (b & MOUSE_MASK_META)
964: key |= KEYC_ESCAPE;
965: if (b & MOUSE_MASK_CTRL)
966: key |= KEYC_CTRL;
967: if (b & MOUSE_MASK_SHIFT)
968: key |= KEYC_SHIFT;
1.66 nicm 969:
1.131 nicm 970: return (key);
1.66 nicm 971: }
972:
1.82 nicm 973: /* Is this fast enough to probably be a paste? */
1.190 nicm 974: static int
1.82 nicm 975: server_client_assume_paste(struct session *s)
976: {
977: struct timeval tv;
1.84 nicm 978: int t;
1.82 nicm 979:
1.163 nicm 980: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 981: return (0);
1.82 nicm 982:
983: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 984: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
985: log_debug("session %s pasting (flag %d)", s->name,
986: !!(s->flags & SESSION_PASTING));
987: if (s->flags & SESSION_PASTING)
988: return (1);
989: s->flags |= SESSION_PASTING;
990: return (0);
991: }
992: log_debug("session %s not pasting", s->name);
993: s->flags &= ~SESSION_PASTING;
1.83 nicm 994: return (0);
1.82 nicm 995: }
996:
1.276 nicm 997: /*
998: * Handle data key input from client. This owns and can modify the key event it
999: * is given and is responsible for freeing it.
1000: */
1.280 nicm 1001: static enum cmd_retval
1.276 nicm 1002: server_client_key_callback(struct cmdq_item *item, void *data)
1.18 nicm 1003: {
1.276 nicm 1004: struct client *c = item->client;
1005: struct key_event *event = data;
1006: key_code key = event->key;
1007: struct mouse_event *m = &event->m;
1.267 nicm 1008: struct session *s = c->session;
1009: struct winlink *wl;
1010: struct window_pane *wp;
1011: struct window_mode_entry *wme;
1012: struct timeval tv;
1013: struct key_table *table, *first;
1014: struct key_binding *bd;
1015: int xtimeout, flags;
1016: struct cmd_find_state fs;
1017: key_code key0;
1.18 nicm 1018:
1019: /* Check the client is good to accept input. */
1.132 nicm 1020: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.276 nicm 1021: goto out;
1.264 nicm 1022: wl = s->curw;
1.18 nicm 1023:
1024: /* Update the activity timer. */
1025: if (gettimeofday(&c->activity_time, NULL) != 0)
1026: fatal("gettimeofday failed");
1.149 nicm 1027: session_update_activity(s, &c->activity_time);
1.18 nicm 1028:
1029: /* Handle status line. */
1.281 nicm 1030: if (~c->flags & CLIENT_READONLY)
1.30 nicm 1031: status_message_clear(c);
1.18 nicm 1032: if (c->prompt_string != NULL) {
1.193 nicm 1033: if (c->flags & CLIENT_READONLY)
1.276 nicm 1034: goto out;
1.193 nicm 1035: if (status_prompt_key(c, key) == 0)
1.276 nicm 1036: goto out;
1.18 nicm 1037: }
1038:
1039: /* Check for mouse keys. */
1.204 nicm 1040: m->valid = 0;
1.18 nicm 1041: if (key == KEYC_MOUSE) {
1.30 nicm 1042: if (c->flags & CLIENT_READONLY)
1.276 nicm 1043: goto out;
1044: key = server_client_check_mouse(c, event);
1.177 nicm 1045: if (key == KEYC_UNKNOWN)
1.276 nicm 1046: goto out;
1.131 nicm 1047:
1048: m->valid = 1;
1049: m->key = key;
1.203 nicm 1050:
1051: /*
1.204 nicm 1052: * Mouse drag is in progress, so fire the callback (now that
1053: * the mouse event is valid).
1.203 nicm 1054: */
1.204 nicm 1055: if (key == KEYC_DRAGGING) {
1056: c->tty.mouse_drag_update(c, m);
1.276 nicm 1057: goto out;
1.204 nicm 1058: }
1.276 nicm 1059: }
1.18 nicm 1060:
1.202 nicm 1061: /* Find affected pane. */
1.243 nicm 1062: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1063: cmd_find_from_session(&fs, s, 0);
1.227 nicm 1064: wp = fs.wp;
1.202 nicm 1065:
1066: /* Forward mouse keys if disabled. */
1.206 nicm 1067: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1068: goto forward_key;
1.202 nicm 1069:
1.132 nicm 1070: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1071: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1072: goto forward_key;
1.18 nicm 1073:
1.191 nicm 1074: /*
1075: * Work out the current key table. If the pane is in a mode, use
1076: * the mode table instead of the default key table.
1077: */
1.223 nicm 1078: if (server_client_is_default_key_table(c, c->keytable) &&
1079: wp != NULL &&
1.267 nicm 1080: (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
1081: wme->mode->key_table != NULL)
1082: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223 nicm 1083: else
1.191 nicm 1084: table = c->keytable;
1.223 nicm 1085: first = table;
1.191 nicm 1086:
1.253 nicm 1087: table_changed:
1.205 nicm 1088: /*
1089: * The prefix always takes precedence and forces a switch to the prefix
1090: * table, unless we are already there.
1091: */
1.252 nicm 1092: key0 = (key & ~KEYC_XTERM);
1.239 nicm 1093: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1094: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1095: strcmp(table->name, "prefix") != 0) {
1096: server_client_set_key_table(c, "prefix");
1097: server_status_client(c);
1.276 nicm 1098: goto out;
1.205 nicm 1099: }
1.238 nicm 1100: flags = c->flags;
1.205 nicm 1101:
1.262 nicm 1102: try_again:
1.223 nicm 1103: /* Log key table. */
1104: if (wp == NULL)
1105: log_debug("key table %s (no pane)", table->name);
1106: else
1107: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1108: if (c->flags & CLIENT_REPEAT)
1109: log_debug("currently repeating");
1.223 nicm 1110:
1.132 nicm 1111: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1112: bd = key_bindings_get(table, key0);
1.132 nicm 1113: if (bd != NULL) {
1114: /*
1115: * Key was matched in this table. If currently repeating but a
1116: * non-repeating binding was found, stop repeating and try
1117: * again in the root table.
1118: */
1.222 nicm 1119: if ((c->flags & CLIENT_REPEAT) &&
1120: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1121: log_debug("found in key table %s (not repeating)",
1122: table->name);
1.178 nicm 1123: server_client_set_key_table(c, NULL);
1.262 nicm 1124: first = table = c->keytable;
1.132 nicm 1125: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1126: server_status_client(c);
1.253 nicm 1127: goto table_changed;
1.18 nicm 1128: }
1.223 nicm 1129: log_debug("found in key table %s", table->name);
1.82 nicm 1130:
1.132 nicm 1131: /*
1132: * Take a reference to this table to make sure the key binding
1133: * doesn't disappear.
1134: */
1135: table->references++;
1136:
1137: /*
1138: * If this is a repeating key, start the timer. Otherwise reset
1139: * the client back to the root table.
1140: */
1.163 nicm 1141: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1142: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1143: c->flags |= CLIENT_REPEAT;
1144:
1145: tv.tv_sec = xtimeout / 1000;
1146: tv.tv_usec = (xtimeout % 1000) * 1000L;
1147: evtimer_del(&c->repeat_timer);
1148: evtimer_add(&c->repeat_timer, &tv);
1149: } else {
1.18 nicm 1150: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1151: server_client_set_key_table(c, NULL);
1.18 nicm 1152: }
1.132 nicm 1153: server_status_client(c);
1154:
1.227 nicm 1155: /* Execute the key binding. */
1.276 nicm 1156: key_bindings_dispatch(bd, item, c, m, &fs);
1.132 nicm 1157: key_bindings_unref_table(table);
1.276 nicm 1158: goto out;
1.18 nicm 1159: }
1160:
1.132 nicm 1161: /*
1.253 nicm 1162: * No match, try the ANY key.
1163: */
1164: if (key0 != KEYC_ANY) {
1165: key0 = KEYC_ANY;
1166: goto try_again;
1167: }
1168:
1169: /*
1.223 nicm 1170: * No match in this table. If not in the root table or if repeating,
1171: * switch the client back to the root table and try again.
1.132 nicm 1172: */
1.223 nicm 1173: log_debug("not found in key table %s", table->name);
1174: if (!server_client_is_default_key_table(c, table) ||
1175: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1176: log_debug("trying in root table");
1.178 nicm 1177: server_client_set_key_table(c, NULL);
1.262 nicm 1178: table = c->keytable;
1179: if (c->flags & CLIENT_REPEAT)
1180: first = table;
1.18 nicm 1181: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1182: server_status_client(c);
1.253 nicm 1183: goto table_changed;
1.18 nicm 1184: }
1185:
1.223 nicm 1186: /*
1187: * No match in the root table either. If this wasn't the first table
1188: * tried, don't pass the key to the pane.
1189: */
1.238 nicm 1190: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1191: server_client_set_key_table(c, NULL);
1.132 nicm 1192: server_status_client(c);
1.276 nicm 1193: goto out;
1.161 nicm 1194: }
1195:
1.253 nicm 1196: forward_key:
1.161 nicm 1197: if (c->flags & CLIENT_READONLY)
1.276 nicm 1198: goto out;
1.161 nicm 1199: if (wp != NULL)
1.264 nicm 1200: window_pane_key(wp, c, s, wl, key, m);
1.276 nicm 1201:
1202: out:
1203: free(event);
1204: return (CMD_RETURN_NORMAL);
1.280 nicm 1205: }
1206:
1207: /* Handle a key event. */
1208: int
1209: server_client_handle_key(struct client *c, struct key_event *event)
1210: {
1211: struct session *s = c->session;
1212: struct cmdq_item *item;
1213:
1214: /* Check the client is good to accept input. */
1215: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1216: return (0);
1217:
1218: /*
1.281 nicm 1219: * Key presses in overlay mode are a special case. The queue might be
1.280 nicm 1220: * blocked so they need to be processed immediately rather than queued.
1221: */
1.281 nicm 1222: if ((~c->flags & CLIENT_READONLY) && c->overlay_key != NULL) {
1223: if (c->overlay_key(c, event) != 0)
1224: server_client_clear_overlay(c);
1.280 nicm 1225: return (0);
1226: }
1227:
1228: /*
1229: * Add the key to the queue so it happens after any commands queued by
1230: * previous keys.
1231: */
1232: item = cmdq_get_callback(server_client_key_callback, event);
1233: cmdq_append(c, item);
1234: return (1);
1.18 nicm 1235: }
1236:
1.2 nicm 1237: /* Client functions that need to happen every loop. */
1238: void
1239: server_client_loop(void)
1240: {
1241: struct client *c;
1242: struct window *w;
1243: struct window_pane *wp;
1.287 nicm 1244: struct winlink *wl;
1245: struct session *s;
1.197 nicm 1246: int focus;
1.2 nicm 1247:
1.135 nicm 1248: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1249: server_client_check_exit(c);
1250: if (c->session != NULL) {
1251: server_client_check_redraw(c);
1252: server_client_reset_state(c);
1253: }
1.2 nicm 1254: }
1255:
1256: /*
1257: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1258: * their flags now. Also check pane focus and resize.
1.2 nicm 1259: */
1.197 nicm 1260: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1261: RB_FOREACH(w, windows, &windows) {
1.287 nicm 1262: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
1263: s = wl->session;
1264: if (s->attached != 0 && s->curw == wl)
1265: break;
1266: }
1.91 nicm 1267: TAILQ_FOREACH(wp, &w->panes, entry) {
1.287 nicm 1268: if (wl != NULL && wp->fd != -1) {
1.197 nicm 1269: if (focus)
1270: server_client_check_focus(wp);
1.101 nicm 1271: server_client_check_resize(wp);
1272: }
1.2 nicm 1273: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1274: }
1.150 nicm 1275: check_window_name(w);
1.2 nicm 1276: }
1.92 nicm 1277: }
1278:
1.237 nicm 1279: /* Check if we need to force a resize. */
1280: static int
1281: server_client_resize_force(struct window_pane *wp)
1282: {
1283: struct timeval tv = { .tv_usec = 100000 };
1284: struct winsize ws;
1285:
1286: /*
1287: * If we are resizing to the same size as when we entered the loop
1288: * (that is, to the same size the application currently thinks it is),
1289: * tmux may have gone through several resizes internally and thrown
1290: * away parts of the screen. So we need the application to actually
1291: * redraw even though its final size has not changed.
1292: */
1293:
1294: if (wp->flags & PANE_RESIZEFORCE) {
1295: wp->flags &= ~PANE_RESIZEFORCE;
1296: return (0);
1297: }
1298:
1299: if (wp->sx != wp->osx ||
1300: wp->sy != wp->osy ||
1301: wp->sx <= 1 ||
1302: wp->sy <= 1)
1303: return (0);
1304:
1305: memset(&ws, 0, sizeof ws);
1306: ws.ws_col = wp->sx;
1307: ws.ws_row = wp->sy - 1;
1.244 nicm 1308: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.237 nicm 1309: fatal("ioctl failed");
1310: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1311:
1312: evtimer_add(&wp->resize_timer, &tv);
1313: wp->flags |= PANE_RESIZEFORCE;
1314: return (1);
1315: }
1316:
1.211 nicm 1317: /* Resize timer event. */
1.188 nicm 1318: static void
1319: server_client_resize_event(__unused int fd, __unused short events, void *data)
1.92 nicm 1320: {
1.188 nicm 1321: struct window_pane *wp = data;
1322: struct winsize ws;
1323:
1324: evtimer_del(&wp->resize_timer);
1.92 nicm 1325:
1.101 nicm 1326: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 1327: return;
1.237 nicm 1328: if (server_client_resize_force(wp))
1329: return;
1.235 nicm 1330:
1.92 nicm 1331: memset(&ws, 0, sizeof ws);
1332: ws.ws_col = wp->sx;
1333: ws.ws_row = wp->sy;
1.244 nicm 1334: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 1335: fatal("ioctl failed");
1.235 nicm 1336: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.92 nicm 1337:
1338: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1339:
1340: wp->osx = wp->sx;
1341: wp->osy = wp->sy;
1.188 nicm 1342: }
1343:
1344: /* Check if pane should be resized. */
1.190 nicm 1345: static void
1.188 nicm 1346: server_client_check_resize(struct window_pane *wp)
1347: {
1348: struct timeval tv = { .tv_usec = 250000 };
1349:
1350: if (!(wp->flags & PANE_RESIZE))
1351: return;
1.235 nicm 1352: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.188 nicm 1353:
1354: if (!event_initialized(&wp->resize_timer))
1355: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1356:
1357: /*
1358: * The first resize should happen immediately, so if the timer is not
1359: * running, do it now.
1360: */
1361: if (!evtimer_pending(&wp->resize_timer, NULL))
1362: server_client_resize_event(-1, 0, wp);
1363:
1364: /*
1365: * If the pane is in the alternate screen, let the timer expire and
1366: * resize to give the application a chance to redraw. If not, keep
1367: * pushing the timer back.
1368: */
1369: if (wp->saved_grid != NULL && evtimer_pending(&wp->resize_timer, NULL))
1370: return;
1371: evtimer_del(&wp->resize_timer);
1372: evtimer_add(&wp->resize_timer, &tv);
1.91 nicm 1373: }
1374:
1375: /* Check whether pane should be focused. */
1.190 nicm 1376: static void
1.91 nicm 1377: server_client_check_focus(struct window_pane *wp)
1378: {
1.93 nicm 1379: struct client *c;
1.102 nicm 1380: int push;
1381:
1382: /* Do we need to push the focus state? */
1383: push = wp->flags & PANE_FOCUSPUSH;
1384: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1385:
1386: /* If we're not the active pane in our window, we're not focused. */
1387: if (wp->window->active != wp)
1388: goto not_focused;
1389:
1390: /* If we're in a mode, we're not focused. */
1391: if (wp->screen != &wp->base)
1392: goto not_focused;
1393:
1394: /*
1.93 nicm 1395: * If our window is the current window in any focused clients with an
1396: * attached session, we're focused.
1.91 nicm 1397: */
1.135 nicm 1398: TAILQ_FOREACH(c, &clients, entry) {
1399: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1400: continue;
1.255 nicm 1401: if (c->session->attached == 0)
1.93 nicm 1402: continue;
1403:
1404: if (c->session->curw->window == wp->window)
1.91 nicm 1405: goto focused;
1406: }
1407:
1408: not_focused:
1.251 nicm 1409: if (push || (wp->flags & PANE_FOCUSED)) {
1410: if (wp->base.mode & MODE_FOCUSON)
1411: bufferevent_write(wp->event, "\033[O", 3);
1412: notify_pane("pane-focus-out", wp);
1413: }
1.91 nicm 1414: wp->flags &= ~PANE_FOCUSED;
1415: return;
1416:
1417: focused:
1.251 nicm 1418: if (push || !(wp->flags & PANE_FOCUSED)) {
1419: if (wp->base.mode & MODE_FOCUSON)
1420: bufferevent_write(wp->event, "\033[I", 3);
1421: notify_pane("pane-focus-in", wp);
1.275 nicm 1422: session_update_activity(c->session, NULL);
1.251 nicm 1423: }
1.91 nicm 1424: wp->flags |= PANE_FOCUSED;
1.2 nicm 1425: }
1426:
1.18 nicm 1427: /*
1428: * Update cursor position and mode settings. The scroll region and attributes
1429: * are cleared when idle (waiting for an event) as this is the most likely time
1430: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1431: * compromise between excessive resets and likelihood of an interrupt.
1432: *
1433: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1434: * things that are already in their default state.
1435: */
1.190 nicm 1436: static void
1.18 nicm 1437: server_client_reset_state(struct client *c)
1.1 nicm 1438: {
1.18 nicm 1439: struct window *w = c->session->curw->window;
1.209 nicm 1440: struct window_pane *wp = w->active, *loop;
1.18 nicm 1441: struct screen *s = wp->screen;
1.163 nicm 1442: struct options *oo = c->session->options;
1.261 nicm 1443: int mode, cursor = 0;
1444: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1445:
1.186 nicm 1446: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1447: return;
1.282 nicm 1448: if (c->overlay_draw != NULL)
1449: return;
1.261 nicm 1450: mode = s->mode;
1.86 nicm 1451:
1.199 nicm 1452: tty_region_off(&c->tty);
1453: tty_margin_off(&c->tty);
1.1 nicm 1454:
1.261 nicm 1455: /* Move cursor to pane cursor and offset. */
1456: cursor = 0;
1457: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1458: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1459: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1460: cursor = 1;
1461:
1462: cx = wp->xoff + s->cx - ox;
1463: cy = wp->yoff + s->cy - oy;
1464:
1465: if (status_at_line(c) == 0)
1466: cy += status_line_size(c);
1467: }
1468: if (!cursor)
1469: mode &= ~MODE_CURSOR;
1470: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1471:
1.50 nicm 1472: /*
1.131 nicm 1473: * Set mouse mode if requested. To support dragging, always use button
1474: * mode.
1.57 nicm 1475: */
1.209 nicm 1476: if (options_get_number(oo, "mouse")) {
1477: mode &= ~ALL_MOUSE_MODES;
1478: TAILQ_FOREACH(loop, &w->panes, entry) {
1479: if (loop->screen->mode & MODE_MOUSE_ALL)
1480: mode |= MODE_MOUSE_ALL;
1481: }
1482: if (~mode & MODE_MOUSE_ALL)
1483: mode |= MODE_MOUSE_BUTTON;
1484: }
1.215 nicm 1485:
1486: /* Clear bracketed paste mode if at the prompt. */
1487: if (c->prompt_string != NULL)
1488: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1489:
1490: /* Set the terminal mode and reset attributes. */
1.59 nicm 1491: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1492: tty_reset(&c->tty);
1.17 nicm 1493: }
1494:
1495: /* Repeat time callback. */
1.190 nicm 1496: static void
1.170 nicm 1497: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1498: {
1499: struct client *c = data;
1500:
1.85 nicm 1501: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1502: server_client_set_key_table(c, NULL);
1.132 nicm 1503: c->flags &= ~CLIENT_REPEAT;
1504: server_status_client(c);
1.85 nicm 1505: }
1.192 nicm 1506: }
1507:
1508: /* Double-click callback. */
1509: static void
1510: server_client_click_timer(__unused int fd, __unused short events, void *data)
1511: {
1512: struct client *c = data;
1513:
1514: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1515: }
1516:
1.36 nicm 1517: /* Check if client should be exited. */
1.190 nicm 1518: static void
1.36 nicm 1519: server_client_check_exit(struct client *c)
1520: {
1.286 nicm 1521: if (~c->flags & CLIENT_EXIT)
1522: return;
1523: if (c->flags & CLIENT_EXITED)
1.36 nicm 1524: return;
1525:
1.73 nicm 1526: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
1527: return;
1528: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 1529: return;
1.73 nicm 1530: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 1531: return;
1532:
1.249 nicm 1533: if (c->flags & CLIENT_ATTACHED)
1534: notify_client("client-detached", c);
1.162 nicm 1535: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.286 nicm 1536: c->flags |= CLIENT_EXITED;
1.38 nicm 1537: }
1538:
1.218 nicm 1539: /* Redraw timer callback. */
1540: static void
1541: server_client_redraw_timer(__unused int fd, __unused short events,
1542: __unused void* data)
1543: {
1544: log_debug("redraw timer fired");
1545: }
1546:
1.1 nicm 1547: /* Check for client redraws. */
1.190 nicm 1548: static void
1.1 nicm 1549: server_client_check_redraw(struct client *c)
1550: {
1551: struct session *s = c->session;
1.137 nicm 1552: struct tty *tty = &c->tty;
1.1 nicm 1553: struct window_pane *wp;
1.256 nicm 1554: int needed, flags;
1.218 nicm 1555: struct timeval tv = { .tv_usec = 1000 };
1556: static struct event ev;
1557: size_t left;
1.1 nicm 1558:
1.86 nicm 1559: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1560: return;
1.257 nicm 1561: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.282 nicm 1562: log_debug("%s: redraw%s%s%s%s", c->name,
1.257 nicm 1563: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1564: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282 nicm 1565: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1566: (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "");
1.257 nicm 1567: }
1.218 nicm 1568:
1569: /*
1570: * If there is outstanding data, defer the redraw until it has been
1571: * consumed. We can just add a timer to get out of the event loop and
1572: * end up back here.
1573: */
1574: needed = 0;
1.256 nicm 1575: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1576: needed = 1;
1577: else {
1578: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1579: if (wp->flags & PANE_REDRAW) {
1580: needed = 1;
1581: break;
1582: }
1583: }
1584: }
1.241 nicm 1585: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1586: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1587: if (!evtimer_initialized(&ev))
1588: evtimer_set(&ev, server_client_redraw_timer, NULL);
1589: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1590: log_debug("redraw timer started");
1591: evtimer_add(&ev, &tv);
1.241 nicm 1592: }
1.218 nicm 1593:
1.241 nicm 1594: /*
1595: * We may have got here for a single pane redraw, but force a
1596: * full redraw next time in case other panes have been updated.
1597: */
1.256 nicm 1598: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1599: return;
1600: } else if (needed)
1.218 nicm 1601: log_debug("%s: redraw needed", c->name);
1.79 nicm 1602:
1.219 nicm 1603: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1604: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1605:
1.256 nicm 1606: if (~c->flags & CLIENT_REDRAWWINDOW) {
1607: /*
1608: * If not redrawing the entire window, check whether each pane
1609: * needs to be redrawn.
1610: */
1.1 nicm 1611: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1612: if (wp->flags & PANE_REDRAW) {
1613: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1614: screen_redraw_pane(c, wp);
1.137 nicm 1615: }
1.1 nicm 1616: }
1617: }
1618:
1.256 nicm 1619: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1620: if (options_get_number(s->options, "set-titles"))
1621: server_client_set_title(c);
1622: screen_redraw_screen(c);
1623: }
1.1 nicm 1624:
1.137 nicm 1625: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1626: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1627:
1.256 nicm 1628: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1629:
1630: if (needed) {
1631: /*
1632: * We would have deferred the redraw unless the output buffer
1633: * was empty, so we can record how many bytes the redraw
1634: * generated.
1635: */
1636: c->redraw = EVBUFFER_LENGTH(tty->out);
1637: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1638: }
1.1 nicm 1639: }
1640:
1641: /* Set client title. */
1.190 nicm 1642: static void
1.1 nicm 1643: server_client_set_title(struct client *c)
1644: {
1.128 nicm 1645: struct session *s = c->session;
1646: const char *template;
1647: char *title;
1648: struct format_tree *ft;
1.1 nicm 1649:
1.163 nicm 1650: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1651:
1.228 nicm 1652: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1653: format_defaults(ft, c, NULL, NULL, NULL);
1654:
1.269 nicm 1655: title = format_expand_time(ft, template);
1.1 nicm 1656: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1657: free(c->title);
1.1 nicm 1658: c->title = xstrdup(title);
1659: tty_set_title(&c->tty, c->title);
1660: }
1.77 nicm 1661: free(title);
1.128 nicm 1662:
1663: format_free(ft);
1.1 nicm 1664: }
1665:
1666: /* Dispatch message from client. */
1.190 nicm 1667: static void
1.162 nicm 1668: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1669: {
1.162 nicm 1670: struct client *c = arg;
1.73 nicm 1671: struct msg_stdin_data stdindata;
1.108 nicm 1672: const char *data;
1.162 nicm 1673: ssize_t datalen;
1.149 nicm 1674: struct session *s;
1.1 nicm 1675:
1.162 nicm 1676: if (c->flags & CLIENT_DEAD)
1677: return;
1678:
1679: if (imsg == NULL) {
1680: server_client_lost(c);
1681: return;
1682: }
1.1 nicm 1683:
1.162 nicm 1684: data = imsg->data;
1685: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1686:
1.162 nicm 1687: switch (imsg->hdr.type) {
1688: case MSG_IDENTIFY_FLAGS:
1689: case MSG_IDENTIFY_TERM:
1690: case MSG_IDENTIFY_TTYNAME:
1691: case MSG_IDENTIFY_CWD:
1692: case MSG_IDENTIFY_STDIN:
1693: case MSG_IDENTIFY_ENVIRON:
1694: case MSG_IDENTIFY_CLIENTPID:
1695: case MSG_IDENTIFY_DONE:
1696: server_client_dispatch_identify(c, imsg);
1697: break;
1698: case MSG_COMMAND:
1699: server_client_dispatch_command(c, imsg);
1700: break;
1701: case MSG_STDIN:
1702: if (datalen != sizeof stdindata)
1703: fatalx("bad MSG_STDIN size");
1704: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1705:
1.162 nicm 1706: if (c->stdin_callback == NULL)
1.33 nicm 1707: break;
1.162 nicm 1708: if (stdindata.size <= 0)
1709: c->stdin_closed = 1;
1710: else {
1711: evbuffer_add(c->stdin_data, stdindata.data,
1712: stdindata.size);
1713: }
1.279 nicm 1714: c->stdin_callback(c, c->stdin_closed, c->stdin_callback_data);
1.162 nicm 1715: break;
1716: case MSG_RESIZE:
1717: if (datalen != 0)
1718: fatalx("bad MSG_RESIZE size");
1.1 nicm 1719:
1.162 nicm 1720: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1721: break;
1.282 nicm 1722: server_client_clear_overlay(c);
1.236 nicm 1723: tty_resize(&c->tty);
1724: recalculate_sizes();
1725: server_redraw_client(c);
1.174 nicm 1726: if (c->session != NULL)
1.196 nicm 1727: notify_client("client-resized", c);
1.162 nicm 1728: break;
1729: case MSG_EXITING:
1730: if (datalen != 0)
1731: fatalx("bad MSG_EXITING size");
1.1 nicm 1732:
1.162 nicm 1733: c->session = NULL;
1734: tty_close(&c->tty);
1735: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1736: break;
1737: case MSG_WAKEUP:
1738: case MSG_UNLOCK:
1739: if (datalen != 0)
1740: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1741:
1.162 nicm 1742: if (!(c->flags & CLIENT_SUSPENDED))
1743: break;
1744: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1745:
1.162 nicm 1746: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1747: break;
1.162 nicm 1748: s = c->session;
1.1 nicm 1749:
1.162 nicm 1750: if (gettimeofday(&c->activity_time, NULL) != 0)
1751: fatal("gettimeofday failed");
1752:
1753: tty_start_tty(&c->tty);
1754: server_redraw_client(c);
1755: recalculate_sizes();
1.184 nicm 1756:
1757: if (s != NULL)
1758: session_update_activity(s, &c->activity_time);
1.162 nicm 1759: break;
1760: case MSG_SHELL:
1761: if (datalen != 0)
1762: fatalx("bad MSG_SHELL size");
1.1 nicm 1763:
1.162 nicm 1764: server_client_dispatch_shell(c);
1765: break;
1.1 nicm 1766: }
1767: }
1768:
1.194 nicm 1769: /* Callback when command is done. */
1770: static enum cmd_retval
1.195 nicm 1771: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1772: {
1.195 nicm 1773: struct client *c = item->client;
1.194 nicm 1774:
1775: if (~c->flags & CLIENT_ATTACHED)
1776: c->flags |= CLIENT_EXIT;
1777: return (CMD_RETURN_NORMAL);
1778: }
1779:
1.1 nicm 1780: /* Handle command message. */
1.190 nicm 1781: static void
1.162 nicm 1782: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1783: {
1.108 nicm 1784: struct msg_command_data data;
1785: char *buf;
1786: size_t len;
1787: int argc;
1788: char **argv, *cause;
1.285 nicm 1789: struct cmd_parse_result *pr;
1.246 nicm 1790:
1791: if (c->flags & CLIENT_EXIT)
1792: return;
1.108 nicm 1793:
1794: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1795: fatalx("bad MSG_COMMAND size");
1796: memcpy(&data, imsg->data, sizeof data);
1797:
1.124 nicm 1798: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1799: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1800: if (len > 0 && buf[len - 1] != '\0')
1801: fatalx("bad MSG_COMMAND string");
1802:
1803: argc = data.argc;
1804: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1805: cause = xstrdup("command too long");
1.1 nicm 1806: goto error;
1807: }
1808:
1809: if (argc == 0) {
1810: argc = 1;
1811: argv = xcalloc(1, sizeof *argv);
1812: *argv = xstrdup("new-session");
1813: }
1814:
1.285 nicm 1815: pr = cmd_parse_from_arguments(argc, argv, NULL);
1816: switch (pr->status) {
1817: case CMD_PARSE_EMPTY:
1818: cause = xstrdup("empty command");
1.1 nicm 1819: goto error;
1.285 nicm 1820: case CMD_PARSE_ERROR:
1821: cause = pr->error;
1822: goto error;
1823: case CMD_PARSE_SUCCESS:
1824: break;
1.1 nicm 1825: }
1826: cmd_free_argv(argc, argv);
1827:
1.285 nicm 1828: cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL, NULL, 0));
1.194 nicm 1829: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285 nicm 1830:
1831: cmd_list_free(pr->cmdlist);
1.1 nicm 1832: return;
1833:
1834: error:
1.285 nicm 1835: cmd_free_argv(argc, argv);
1836:
1.284 nicm 1837: cmdq_append(c, cmdq_get_error(cause));
1838: free(cause);
1.88 nicm 1839:
1.36 nicm 1840: c->flags |= CLIENT_EXIT;
1.1 nicm 1841: }
1842:
1843: /* Handle identify message. */
1.190 nicm 1844: static void
1.162 nicm 1845: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1846: {
1.165 nicm 1847: const char *data, *home;
1.232 nicm 1848: size_t datalen;
1.109 nicm 1849: int flags;
1.216 nicm 1850: char *name;
1.109 nicm 1851:
1852: if (c->flags & CLIENT_IDENTIFIED)
1853: fatalx("out-of-order identify message");
1854:
1855: data = imsg->data;
1856: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1857:
1858: switch (imsg->hdr.type) {
1859: case MSG_IDENTIFY_FLAGS:
1860: if (datalen != sizeof flags)
1861: fatalx("bad MSG_IDENTIFY_FLAGS size");
1862: memcpy(&flags, data, sizeof flags);
1863: c->flags |= flags;
1.158 nicm 1864: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1865: break;
1866: case MSG_IDENTIFY_TERM:
1.110 nicm 1867: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1868: fatalx("bad MSG_IDENTIFY_TERM string");
1869: c->term = xstrdup(data);
1.158 nicm 1870: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1871: break;
1872: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1873: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1874: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1875: c->ttyname = xstrdup(data);
1.158 nicm 1876: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1877: break;
1878: case MSG_IDENTIFY_CWD:
1.155 nicm 1879: if (datalen == 0 || data[datalen - 1] != '\0')
1880: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1881: if (access(data, X_OK) == 0)
1882: c->cwd = xstrdup(data);
1883: else if ((home = find_home()) != NULL)
1884: c->cwd = xstrdup(home);
1885: else
1886: c->cwd = xstrdup("/");
1.158 nicm 1887: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1888: break;
1889: case MSG_IDENTIFY_STDIN:
1890: if (datalen != 0)
1891: fatalx("bad MSG_IDENTIFY_STDIN size");
1892: c->fd = imsg->fd;
1.158 nicm 1893: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1894: break;
1895: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1896: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1897: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1898: if (strchr(data, '=') != NULL)
1.164 nicm 1899: environ_put(c->environ, data);
1.158 nicm 1900: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1901: break;
1902: case MSG_IDENTIFY_CLIENTPID:
1903: if (datalen != sizeof c->pid)
1904: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1905: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1906: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1907: break;
1908: default:
1909: break;
1910: }
1911:
1912: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1913: return;
1914: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1915:
1.216 nicm 1916: if (*c->ttyname != '\0')
1917: name = xstrdup(c->ttyname);
1918: else
1919: xasprintf(&name, "client-%ld", (long)c->pid);
1920: c->name = name;
1921: log_debug("client %p name is %s", c, c->name);
1922:
1.109 nicm 1923: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1924: c->stdin_callback = control_callback;
1.109 nicm 1925:
1.97 nicm 1926: evbuffer_free(c->stderr_data);
1927: c->stderr_data = c->stdout_data;
1.109 nicm 1928:
1929: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1930: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.162 nicm 1931: proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
1.75 nicm 1932:
1933: c->tty.fd = -1;
1934:
1.109 nicm 1935: close(c->fd);
1936: c->fd = -1;
1.288 ! nicm 1937: } else if (c->fd != -1) {
! 1938: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
! 1939: close(c->fd);
! 1940: c->fd = -1;
! 1941: } else {
! 1942: if (c->flags & CLIENT_UTF8)
! 1943: c->tty.flags |= TTY_UTF8;
! 1944: if (c->flags & CLIENT_256COLOURS)
! 1945: c->tty.term_flags |= TERM_256COLOURS;
! 1946: tty_resize(&c->tty);
! 1947: c->flags |= CLIENT_TERMINAL;
! 1948: }
1.75 nicm 1949: }
1.1 nicm 1950:
1.288 ! nicm 1951: /*
! 1952: * If this is the first client that has finished identifying, load
! 1953: * configuration files.
! 1954: */
! 1955: if ((~c->flags & CLIENT_EXIT) &&
! 1956: !cfg_finished &&
! 1957: c == TAILQ_FIRST(&clients) &&
! 1958: TAILQ_NEXT(c, entry) == NULL)
! 1959: start_cfg();
1.1 nicm 1960: }
1961:
1962: /* Handle shell message. */
1.190 nicm 1963: static void
1.162 nicm 1964: server_client_dispatch_shell(struct client *c)
1.1 nicm 1965: {
1.107 nicm 1966: const char *shell;
1.25 nicm 1967:
1.163 nicm 1968: shell = options_get_string(global_s_options, "default-shell");
1.1 nicm 1969: if (*shell == '\0' || areshell(shell))
1970: shell = _PATH_BSHELL;
1.240 nicm 1971: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 1972:
1.162 nicm 1973: proc_kill_peer(c->peer);
1.169 nicm 1974: }
1975:
1976: /* Event callback to push more stdout data if any left. */
1977: static void
1.170 nicm 1978: server_client_stdout_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1979: {
1980: struct client *c = arg;
1981:
1982: if (~c->flags & CLIENT_DEAD)
1983: server_client_push_stdout(c);
1984: server_client_unref(c);
1985: }
1986:
1987: /* Push stdout to client if possible. */
1988: void
1989: server_client_push_stdout(struct client *c)
1990: {
1991: struct msg_stdout_data data;
1.232 nicm 1992: size_t sent, left;
1.169 nicm 1993:
1994: left = EVBUFFER_LENGTH(c->stdout_data);
1995: while (left != 0) {
1996: sent = left;
1997: if (sent > sizeof data.data)
1998: sent = sizeof data.data;
1999: memcpy(data.data, EVBUFFER_DATA(c->stdout_data), sent);
2000: data.size = sent;
2001:
2002: if (proc_send(c->peer, MSG_STDOUT, -1, &data, sizeof data) != 0)
2003: break;
2004: evbuffer_drain(c->stdout_data, sent);
2005:
2006: left = EVBUFFER_LENGTH(c->stdout_data);
2007: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
2008: sent, left);
2009: }
2010: if (left != 0) {
2011: c->references++;
2012: event_once(-1, EV_TIMEOUT, server_client_stdout_cb, c, NULL);
2013: log_debug("%s: client %p, queued", __func__, c);
2014: }
2015: }
2016:
2017: /* Event callback to push more stderr data if any left. */
2018: static void
1.170 nicm 2019: server_client_stderr_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 2020: {
2021: struct client *c = arg;
2022:
2023: if (~c->flags & CLIENT_DEAD)
2024: server_client_push_stderr(c);
2025: server_client_unref(c);
2026: }
2027:
2028: /* Push stderr to client if possible. */
2029: void
2030: server_client_push_stderr(struct client *c)
2031: {
2032: struct msg_stderr_data data;
1.232 nicm 2033: size_t sent, left;
1.169 nicm 2034:
2035: if (c->stderr_data == c->stdout_data) {
2036: server_client_push_stdout(c);
2037: return;
2038: }
2039:
2040: left = EVBUFFER_LENGTH(c->stderr_data);
2041: while (left != 0) {
2042: sent = left;
2043: if (sent > sizeof data.data)
2044: sent = sizeof data.data;
2045: memcpy(data.data, EVBUFFER_DATA(c->stderr_data), sent);
2046: data.size = sent;
2047:
2048: if (proc_send(c->peer, MSG_STDERR, -1, &data, sizeof data) != 0)
2049: break;
2050: evbuffer_drain(c->stderr_data, sent);
2051:
2052: left = EVBUFFER_LENGTH(c->stderr_data);
2053: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
2054: sent, left);
2055: }
2056: if (left != 0) {
2057: c->references++;
2058: event_once(-1, EV_TIMEOUT, server_client_stderr_cb, c, NULL);
2059: log_debug("%s: client %p, queued", __func__, c);
1.212 nicm 2060: }
2061: }
2062:
2063: /* Add to client message log. */
2064: void
2065: server_client_add_message(struct client *c, const char *fmt, ...)
2066: {
2067: struct message_entry *msg, *msg1;
2068: char *s;
2069: va_list ap;
2070: u_int limit;
2071:
2072: va_start(ap, fmt);
2073: xvasprintf(&s, fmt, ap);
2074: va_end(ap);
2075:
1.216 nicm 2076: log_debug("message %s (client %p)", s, c);
1.212 nicm 2077:
2078: msg = xcalloc(1, sizeof *msg);
2079: msg->msg_time = time(NULL);
2080: msg->msg_num = c->message_next++;
2081: msg->msg = s;
2082: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
2083:
2084: limit = options_get_number(global_options, "message-limit");
2085: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
2086: if (msg->msg_num + limit >= c->message_next)
2087: break;
2088: free(msg->msg);
2089: TAILQ_REMOVE(&c->message_log, msg, entry);
2090: free(msg);
1.169 nicm 2091: }
1.213 nicm 2092: }
2093:
2094: /* Get client working directory. */
2095: const char *
1.250 nicm 2096: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2097: {
1.250 nicm 2098: const char *home;
1.213 nicm 2099:
1.265 nicm 2100: if (!cfg_finished && cfg_client != NULL)
2101: return (cfg_client->cwd);
1.213 nicm 2102: if (c != NULL && c->session == NULL && c->cwd != NULL)
2103: return (c->cwd);
1.250 nicm 2104: if (s != NULL && s->cwd != NULL)
2105: return (s->cwd);
1.213 nicm 2106: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2107: return (s->cwd);
1.250 nicm 2108: if ((home = find_home()) != NULL)
2109: return (home);
2110: return ("/");
1.213 nicm 2111: }
2112:
2113: /* Resolve an absolute path or relative to client working directory. */
2114: char *
2115: server_client_get_path(struct client *c, const char *file)
2116: {
2117: char *path, resolved[PATH_MAX];
2118:
2119: if (*file == '/')
2120: path = xstrdup(file);
2121: else
1.250 nicm 2122: xasprintf(&path, "%s/%s", server_client_get_cwd(c, NULL), file);
1.213 nicm 2123: if (realpath(path, resolved) == NULL)
2124: return (path);
2125: free(path);
2126: return (xstrdup(resolved));
1.1 nicm 2127: }
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