Annotation of src/usr.bin/tmux/server-client.c, Revision 1.281
1.281 ! nicm 1: /* $OpenBSD: server-client.c,v 1.280 2019/05/07 11:24:03 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:
82: tv.tv_sec = delay / 1000;
83: tv.tv_usec = (delay % 1000) * 1000L;
84:
1.281 ! nicm 85: if (event_initialized(&c->overlay_timer))
! 86: evtimer_del(&c->overlay_timer);
! 87: evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242 nicm 88: if (delay != 0)
1.281 ! nicm 89: evtimer_add(&c->overlay_timer, &tv);
! 90:
! 91: c->overlay_draw = drawcb;
! 92: c->overlay_key = keycb;
! 93: c->overlay_free = freecb;
! 94: c->overlay_data = data;
1.214 nicm 95:
96: c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
97: server_redraw_client(c);
98: }
99:
1.281 ! nicm 100: /* Clear overlay mode on client. */
1.254 nicm 101: static void
1.281 ! nicm 102: server_client_clear_overlay(struct client *c)
1.214 nicm 103: {
1.281 ! nicm 104: if (c->overlay_draw == NULL)
1.214 nicm 105: return;
106:
1.281 ! nicm 107: if (event_initialized(&c->overlay_timer))
! 108: evtimer_del(&c->overlay_timer);
! 109:
! 110: if (c->overlay_free != NULL)
! 111: c->overlay_free(c);
! 112:
! 113: c->overlay_draw = NULL;
! 114: c->overlay_key = NULL;
1.214 nicm 115:
116: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
117: server_redraw_client(c);
118: }
119:
1.140 nicm 120: /* Check if this client is inside this server. */
121: int
122: server_client_check_nested(struct client *c)
123: {
124: struct environ_entry *envent;
125: struct window_pane *wp;
126:
1.164 nicm 127: envent = environ_find(c->environ, "TMUX");
1.140 nicm 128: if (envent == NULL || *envent->value == '\0')
129: return (0);
130:
131: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 132: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 133: return (1);
134: }
135: return (0);
136: }
1.1 nicm 137:
1.132 nicm 138: /* Set client key table. */
139: void
1.178 nicm 140: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 141: {
1.178 nicm 142: if (name == NULL)
143: name = server_client_get_key_table(c);
144:
1.132 nicm 145: key_bindings_unref_table(c->keytable);
146: c->keytable = key_bindings_get_table(name, 1);
147: c->keytable->references++;
148: }
149:
1.178 nicm 150: /* Get default key table. */
151: const char *
152: server_client_get_key_table(struct client *c)
153: {
154: struct session *s = c->session;
155: const char *name;
156:
157: if (s == NULL)
158: return ("root");
159:
160: name = options_get_string(s->options, "key-table");
161: if (*name == '\0')
162: return ("root");
163: return (name);
164: }
165:
1.223 nicm 166: /* Is this table the default key table? */
167: static int
168: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 169: {
1.223 nicm 170: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 171: }
172:
1.1 nicm 173: /* Create a new client. */
1.246 nicm 174: struct client *
1.1 nicm 175: server_client_create(int fd)
176: {
177: struct client *c;
178:
1.49 nicm 179: setblocking(fd, 0);
1.1 nicm 180:
181: c = xcalloc(1, sizeof *c);
1.141 nicm 182: c->references = 1;
1.162 nicm 183: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 184:
1.10 nicm 185: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 186: fatal("gettimeofday failed");
1.11 nicm 187: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 188:
1.164 nicm 189: c->environ = environ_create();
1.1 nicm 190:
1.146 nicm 191: c->fd = -1;
1.165 nicm 192: c->cwd = NULL;
1.145 nicm 193:
1.194 nicm 194: TAILQ_INIT(&c->queue);
1.94 nicm 195:
1.116 nicm 196: c->stdin_data = evbuffer_new();
1.263 nicm 197: if (c->stdin_data == NULL)
198: fatalx("out of memory");
1.116 nicm 199: c->stdout_data = evbuffer_new();
1.263 nicm 200: if (c->stdout_data == NULL)
201: fatalx("out of memory");
1.116 nicm 202: c->stderr_data = evbuffer_new();
1.263 nicm 203: if (c->stderr_data == NULL)
204: fatalx("out of memory");
1.33 nicm 205:
1.1 nicm 206: c->tty.fd = -1;
207: c->title = NULL;
208:
209: c->session = NULL;
1.45 nicm 210: c->last_session = NULL;
1.261 nicm 211:
1.1 nicm 212: c->tty.sx = 80;
213: c->tty.sy = 24;
214:
1.271 nicm 215: status_init(c);
1.1 nicm 216:
217: c->message_string = NULL;
1.136 nicm 218: TAILQ_INIT(&c->message_log);
1.1 nicm 219:
220: c->prompt_string = NULL;
221: c->prompt_buffer = NULL;
222: c->prompt_index = 0;
223:
1.93 nicm 224: c->flags |= CLIENT_FOCUSED;
225:
1.132 nicm 226: c->keytable = key_bindings_get_table("root", 1);
227: c->keytable->references++;
228:
1.17 nicm 229: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 230: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 231:
1.135 nicm 232: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 233: log_debug("new client %p", c);
1.246 nicm 234: return (c);
1.72 nicm 235: }
236:
237: /* Open client terminal if needed. */
238: int
1.119 nicm 239: server_client_open(struct client *c, char **cause)
1.72 nicm 240: {
1.75 nicm 241: if (c->flags & CLIENT_CONTROL)
242: return (0);
1.120 nicm 243:
244: if (strcmp(c->ttyname, "/dev/tty") == 0) {
245: *cause = xstrdup("can't use /dev/tty");
246: return (-1);
247: }
1.75 nicm 248:
1.72 nicm 249: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 250: *cause = xstrdup("not a terminal");
1.72 nicm 251: return (-1);
252: }
253:
1.119 nicm 254: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 255: return (-1);
256:
257: return (0);
1.1 nicm 258: }
259:
260: /* Lost a client. */
261: void
262: server_client_lost(struct client *c)
263: {
1.136 nicm 264: struct message_entry *msg, *msg1;
1.1 nicm 265:
1.141 nicm 266: c->flags |= CLIENT_DEAD;
267:
1.281 ! nicm 268: server_client_clear_overlay(c);
1.141 nicm 269: status_prompt_clear(c);
270: status_message_clear(c);
271:
272: if (c->stdin_callback != NULL)
273: c->stdin_callback(c, 1, c->stdin_callback_data);
274:
1.135 nicm 275: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 276: log_debug("lost client %p", c);
1.1 nicm 277:
278: /*
279: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
280: * and tty_free might close an unrelated fd.
281: */
282: if (c->flags & CLIENT_TERMINAL)
283: tty_free(&c->tty);
1.109 nicm 284: free(c->ttyname);
285: free(c->term);
1.1 nicm 286:
1.113 nicm 287: evbuffer_free(c->stdin_data);
288: evbuffer_free(c->stdout_data);
1.97 nicm 289: if (c->stderr_data != c->stdout_data)
1.126 nicm 290: evbuffer_free(c->stderr_data);
1.33 nicm 291:
1.270 nicm 292: status_free(c);
1.1 nicm 293:
1.77 nicm 294: free(c->title);
1.165 nicm 295: free((void *)c->cwd);
1.1 nicm 296:
1.17 nicm 297: evtimer_del(&c->repeat_timer);
1.192 nicm 298: evtimer_del(&c->click_timer);
1.17 nicm 299:
1.132 nicm 300: key_bindings_unref_table(c->keytable);
301:
1.77 nicm 302: free(c->message_string);
1.116 nicm 303: if (event_initialized(&c->message_timer))
1.69 nicm 304: evtimer_del(&c->message_timer);
1.136 nicm 305: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 306: free(msg->msg);
1.136 nicm 307: TAILQ_REMOVE(&c->message_log, msg, entry);
308: free(msg);
1.21 nicm 309: }
1.1 nicm 310:
1.259 nicm 311: free(c->prompt_saved);
1.77 nicm 312: free(c->prompt_string);
313: free(c->prompt_buffer);
1.61 nicm 314:
1.228 nicm 315: format_lost_client(c);
1.164 nicm 316: environ_free(c->environ);
1.1 nicm 317:
1.162 nicm 318: proc_remove_peer(c->peer);
319: c->peer = NULL;
1.13 nicm 320:
1.142 nicm 321: server_client_unref(c);
1.71 nicm 322:
323: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 324:
325: recalculate_sizes();
1.41 nicm 326: server_check_unattached();
1.19 nicm 327: server_update_socket();
1.141 nicm 328: }
329:
330: /* Remove reference from a client. */
331: void
1.142 nicm 332: server_client_unref(struct client *c)
1.141 nicm 333: {
1.157 nicm 334: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 335:
336: c->references--;
337: if (c->references == 0)
338: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
339: }
340:
341: /* Free dead client. */
1.190 nicm 342: static void
1.170 nicm 343: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 344: {
345: struct client *c = arg;
346:
1.157 nicm 347: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 348:
1.194 nicm 349: if (!TAILQ_EMPTY(&c->queue))
350: fatalx("queue not empty");
351:
1.216 nicm 352: if (c->references == 0) {
353: free((void *)c->name);
1.141 nicm 354: free(c);
1.216 nicm 355: }
1.9 nicm 356: }
357:
1.220 nicm 358: /* Suspend a client. */
359: void
360: server_client_suspend(struct client *c)
361: {
1.232 nicm 362: struct session *s = c->session;
1.220 nicm 363:
364: if (s == NULL || (c->flags & CLIENT_DETACHING))
365: return;
366:
367: tty_stop_tty(&c->tty);
368: c->flags |= CLIENT_SUSPENDED;
369: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
370: }
371:
1.174 nicm 372: /* Detach a client. */
373: void
374: server_client_detach(struct client *c, enum msgtype msgtype)
375: {
1.232 nicm 376: struct session *s = c->session;
1.174 nicm 377:
1.220 nicm 378: if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174 nicm 379: return;
380:
1.220 nicm 381: c->flags |= CLIENT_DETACHING;
1.196 nicm 382: notify_client("client-detached", c);
1.240 nicm 383: proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
1.207 nicm 384: }
385:
1.208 nicm 386: /* Execute command to replace a client. */
1.207 nicm 387: void
388: server_client_exec(struct client *c, const char *cmd)
389: {
390: struct session *s = c->session;
1.208 nicm 391: char *msg;
392: const char *shell;
1.207 nicm 393: size_t cmdsize, shellsize;
394:
395: if (*cmd == '\0')
396: return;
397: cmdsize = strlen(cmd) + 1;
398:
399: if (s != NULL)
400: shell = options_get_string(s->options, "default-shell");
401: else
402: shell = options_get_string(global_s_options, "default-shell");
403: shellsize = strlen(shell) + 1;
404:
405: msg = xmalloc(cmdsize + shellsize);
406: memcpy(msg, cmd, cmdsize);
407: memcpy(msg + cmdsize, shell, shellsize);
408:
409: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
410: free(msg);
1.174 nicm 411: }
412:
1.66 nicm 413: /* Check for mouse keys. */
1.190 nicm 414: static key_code
1.276 nicm 415: server_client_check_mouse(struct client *c, struct key_event *event)
1.66 nicm 416: {
1.276 nicm 417: struct mouse_event *m = &event->m;
1.192 nicm 418: struct session *s = c->session;
1.272 nicm 419: struct winlink *wl;
1.192 nicm 420: struct window_pane *wp;
1.261 nicm 421: u_int x, y, b, sx, sy, px, py;
1.192 nicm 422: int flag;
423: key_code key;
424: struct timeval tv;
1.272 nicm 425: struct style_range *sr;
1.209 nicm 426: enum { NOTYPE, MOVE, DOWN, UP, DRAG, WHEEL, DOUBLE, TRIPLE } type;
1.276 nicm 427: enum { NOWHERE,
428: PANE,
429: STATUS,
430: STATUS_LEFT,
431: STATUS_RIGHT,
432: STATUS_DEFAULT,
433: BORDER } where;
1.209 nicm 434:
435: type = NOTYPE;
436: where = NOWHERE;
1.131 nicm 437:
1.261 nicm 438: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
439: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 440:
441: /* What type of event is this? */
1.209 nicm 442: if ((m->sgr_type != ' ' &&
443: MOUSE_DRAG(m->sgr_b) &&
444: MOUSE_BUTTONS(m->sgr_b) == 3) ||
445: (m->sgr_type == ' ' &&
446: MOUSE_DRAG(m->b) &&
447: MOUSE_BUTTONS(m->b) == 3 &&
448: MOUSE_BUTTONS(m->lb) == 3)) {
449: type = MOVE;
450: x = m->x, y = m->y, b = 0;
451: log_debug("move at %u,%u", x, y);
452: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 453: type = DRAG;
454: if (c->tty.mouse_drag_flag) {
455: x = m->x, y = m->y, b = m->b;
1.278 nicm 456: if (x == m->lx && y == m->ly)
457: return (KEYC_UNKNOWN);
1.131 nicm 458: log_debug("drag update at %u,%u", x, y);
459: } else {
1.277 nicm 460: x = m->lx, y = m->ly, b = m->lb;
1.131 nicm 461: log_debug("drag start at %u,%u", x, y);
462: }
463: } else if (MOUSE_WHEEL(m->b)) {
464: type = WHEEL;
465: x = m->x, y = m->y, b = m->b;
466: log_debug("wheel at %u,%u", x, y);
1.200 nicm 467: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 468: type = UP;
469: x = m->x, y = m->y, b = m->lb;
470: log_debug("up at %u,%u", x, y);
471: } else {
1.192 nicm 472: if (c->flags & CLIENT_DOUBLECLICK) {
473: evtimer_del(&c->click_timer);
474: c->flags &= ~CLIENT_DOUBLECLICK;
475: if (m->b == c->click_button) {
476: type = DOUBLE;
477: x = m->x, y = m->y, b = m->b;
478: log_debug("double-click at %u,%u", x, y);
479: flag = CLIENT_TRIPLECLICK;
480: goto add_timer;
481: }
482: } else if (c->flags & CLIENT_TRIPLECLICK) {
483: evtimer_del(&c->click_timer);
484: c->flags &= ~CLIENT_TRIPLECLICK;
485: if (m->b == c->click_button) {
486: type = TRIPLE;
487: x = m->x, y = m->y, b = m->b;
488: log_debug("triple-click at %u,%u", x, y);
489: goto have_event;
490: }
491: }
492:
1.131 nicm 493: type = DOWN;
494: x = m->x, y = m->y, b = m->b;
495: log_debug("down at %u,%u", x, y);
1.192 nicm 496: flag = CLIENT_DOUBLECLICK;
497:
498: add_timer:
499: if (KEYC_CLICK_TIMEOUT != 0) {
500: c->flags |= flag;
501: c->click_button = m->b;
502:
503: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
504: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
505: evtimer_del(&c->click_timer);
506: evtimer_add(&c->click_timer, &tv);
507: }
1.131 nicm 508: }
1.192 nicm 509:
510: have_event:
1.131 nicm 511: if (type == NOTYPE)
1.177 nicm 512: return (KEYC_UNKNOWN);
1.131 nicm 513:
1.258 nicm 514: /* Save the session. */
1.131 nicm 515: m->s = s->id;
1.258 nicm 516: m->w = -1;
1.131 nicm 517:
518: /* Is this on the status line? */
519: m->statusat = status_at_line(c);
1.272 nicm 520: if (m->statusat != -1 &&
521: y >= (u_int)m->statusat &&
1.273 nicm 522: y < m->statusat + status_line_size(c)) {
1.272 nicm 523: sr = status_get_range(c, x, y - m->statusat);
1.274 nicm 524: if (sr == NULL) {
525: where = STATUS_DEFAULT;
526: } else {
527: switch (sr->type) {
528: case STYLE_RANGE_NONE:
1.273 nicm 529: return (KEYC_UNKNOWN);
1.274 nicm 530: case STYLE_RANGE_LEFT:
531: where = STATUS_LEFT;
532: break;
533: case STYLE_RANGE_RIGHT:
534: where = STATUS_RIGHT;
535: break;
536: case STYLE_RANGE_WINDOW:
537: wl = winlink_find_by_index(&s->windows, sr->argument);
538: if (wl == NULL)
539: return (KEYC_UNKNOWN);
540: m->w = wl->window->id;
1.273 nicm 541:
1.274 nicm 542: where = STATUS;
543: break;
544: }
1.258 nicm 545: }
546: }
1.131 nicm 547:
548: /* Not on status line. Adjust position and check for border or pane. */
549: if (where == NOWHERE) {
1.261 nicm 550: px = x;
1.131 nicm 551: if (m->statusat == 0 && y > 0)
1.261 nicm 552: py = y - 1;
1.131 nicm 553: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 554: py = m->statusat - 1;
555: else
556: py = y;
557:
558: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
559: log_debug("mouse window @%u at %u,%u (%ux%u)",
560: s->curw->window->id, m->ox, m->oy, sx, sy);
561: if (px > sx || py > sy)
562: return (KEYC_UNKNOWN);
563: px = px + m->ox;
564: py = py + m->oy;
1.131 nicm 565:
1.260 nicm 566: /* Try the pane borders if not zoomed. */
567: if (~s->curw->window->flags & WINDOW_ZOOMED) {
568: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 569: if ((wp->xoff + wp->sx == px &&
570: wp->yoff <= 1 + py &&
571: wp->yoff + wp->sy >= py) ||
572: (wp->yoff + wp->sy == py &&
573: wp->xoff <= 1 + px &&
574: wp->xoff + wp->sx >= px))
1.260 nicm 575: break;
576: }
577: if (wp != NULL)
578: where = BORDER;
1.131 nicm 579: }
1.260 nicm 580:
581: /* Otherwise try inside the pane. */
582: if (where == NOWHERE) {
1.261 nicm 583: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 584: if (wp != NULL)
1.131 nicm 585: where = PANE;
586: }
1.260 nicm 587:
1.131 nicm 588: if (where == NOWHERE)
1.177 nicm 589: return (KEYC_UNKNOWN);
1.260 nicm 590: if (where == PANE)
591: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
592: else if (where == BORDER)
593: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 594: m->wp = wp->id;
595: m->w = wp->window->id;
596: } else
597: m->wp = -1;
598:
599: /* Stop dragging if needed. */
1.200 nicm 600: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 601: if (c->tty.mouse_drag_release != NULL)
602: c->tty.mouse_drag_release(c, m);
603:
604: c->tty.mouse_drag_update = NULL;
605: c->tty.mouse_drag_release = NULL;
606:
1.182 nicm 607: /*
1.183 nicm 608: * End a mouse drag by passing a MouseDragEnd key corresponding
609: * to the button that started the drag.
1.182 nicm 610: */
611: switch (c->tty.mouse_drag_flag) {
612: case 1:
613: if (where == PANE)
1.183 nicm 614: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 615: if (where == STATUS)
1.183 nicm 616: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 617: if (where == STATUS_LEFT)
618: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
619: if (where == STATUS_RIGHT)
620: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 nicm 621: if (where == STATUS_DEFAULT)
622: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 623: if (where == BORDER)
1.183 nicm 624: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 625: break;
626: case 2:
627: if (where == PANE)
1.183 nicm 628: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 629: if (where == STATUS)
1.183 nicm 630: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 631: if (where == STATUS_LEFT)
632: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
633: if (where == STATUS_RIGHT)
634: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 nicm 635: if (where == STATUS_DEFAULT)
636: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 637: if (where == BORDER)
1.183 nicm 638: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 639: break;
640: case 3:
641: if (where == PANE)
1.183 nicm 642: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 643: if (where == STATUS)
1.183 nicm 644: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 645: if (where == STATUS_LEFT)
646: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
647: if (where == STATUS_RIGHT)
648: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 nicm 649: if (where == STATUS_DEFAULT)
650: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 651: if (where == BORDER)
1.183 nicm 652: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 653: break;
654: default:
655: key = KEYC_MOUSE;
656: break;
657: }
1.131 nicm 658: c->tty.mouse_drag_flag = 0;
1.182 nicm 659:
660: return (key);
1.131 nicm 661: }
662:
663: /* Convert to a key binding. */
1.177 nicm 664: key = KEYC_UNKNOWN;
1.131 nicm 665: switch (type) {
666: case NOTYPE:
667: break;
1.209 nicm 668: case MOVE:
669: if (where == PANE)
670: key = KEYC_MOUSEMOVE_PANE;
671: if (where == STATUS)
672: key = KEYC_MOUSEMOVE_STATUS;
1.274 nicm 673: if (where == STATUS_LEFT)
674: key = KEYC_MOUSEMOVE_STATUS_LEFT;
675: if (where == STATUS_RIGHT)
676: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
677: if (where == STATUS_DEFAULT)
678: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 679: if (where == BORDER)
680: key = KEYC_MOUSEMOVE_BORDER;
681: break;
1.131 nicm 682: case DRAG:
1.204 nicm 683: if (c->tty.mouse_drag_update != NULL)
684: key = KEYC_DRAGGING;
685: else {
1.131 nicm 686: switch (MOUSE_BUTTONS(b)) {
687: case 0:
688: if (where == PANE)
689: key = KEYC_MOUSEDRAG1_PANE;
690: if (where == STATUS)
691: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 692: if (where == STATUS_LEFT)
693: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
694: if (where == STATUS_RIGHT)
695: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 nicm 696: if (where == STATUS_DEFAULT)
697: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 698: if (where == BORDER)
699: key = KEYC_MOUSEDRAG1_BORDER;
700: break;
701: case 1:
702: if (where == PANE)
703: key = KEYC_MOUSEDRAG2_PANE;
704: if (where == STATUS)
705: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 706: if (where == STATUS_LEFT)
707: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
708: if (where == STATUS_RIGHT)
709: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 nicm 710: if (where == STATUS_DEFAULT)
711: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 712: if (where == BORDER)
713: key = KEYC_MOUSEDRAG2_BORDER;
714: break;
715: case 2:
716: if (where == PANE)
717: key = KEYC_MOUSEDRAG3_PANE;
718: if (where == STATUS)
719: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 720: if (where == STATUS_LEFT)
721: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
722: if (where == STATUS_RIGHT)
723: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 nicm 724: if (where == STATUS_DEFAULT)
725: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 726: if (where == BORDER)
727: key = KEYC_MOUSEDRAG3_BORDER;
728: break;
729: }
730: }
1.66 nicm 731:
1.182 nicm 732: /*
733: * Begin a drag by setting the flag to a non-zero value that
734: * corresponds to the mouse button in use.
735: */
736: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 737: break;
738: case WHEEL:
739: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
740: if (where == PANE)
741: key = KEYC_WHEELUP_PANE;
742: if (where == STATUS)
743: key = KEYC_WHEELUP_STATUS;
1.258 nicm 744: if (where == STATUS_LEFT)
745: key = KEYC_WHEELUP_STATUS_LEFT;
746: if (where == STATUS_RIGHT)
747: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 nicm 748: if (where == STATUS_DEFAULT)
749: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 750: if (where == BORDER)
751: key = KEYC_WHEELUP_BORDER;
752: } else {
753: if (where == PANE)
754: key = KEYC_WHEELDOWN_PANE;
755: if (where == STATUS)
756: key = KEYC_WHEELDOWN_STATUS;
1.274 nicm 757: if (where == STATUS_LEFT)
758: key = KEYC_WHEELDOWN_STATUS_LEFT;
759: if (where == STATUS_RIGHT)
760: key = KEYC_WHEELDOWN_STATUS_RIGHT;
761: if (where == STATUS_DEFAULT)
762: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 763: if (where == BORDER)
764: key = KEYC_WHEELDOWN_BORDER;
765: }
766: break;
767: case UP:
768: switch (MOUSE_BUTTONS(b)) {
769: case 0:
770: if (where == PANE)
771: key = KEYC_MOUSEUP1_PANE;
772: if (where == STATUS)
773: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 774: if (where == STATUS_LEFT)
775: key = KEYC_MOUSEUP1_STATUS_LEFT;
776: if (where == STATUS_RIGHT)
777: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 nicm 778: if (where == STATUS_DEFAULT)
779: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 780: if (where == BORDER)
781: key = KEYC_MOUSEUP1_BORDER;
782: break;
783: case 1:
784: if (where == PANE)
785: key = KEYC_MOUSEUP2_PANE;
786: if (where == STATUS)
787: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 788: if (where == STATUS_LEFT)
789: key = KEYC_MOUSEUP2_STATUS_LEFT;
790: if (where == STATUS_RIGHT)
791: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 nicm 792: if (where == STATUS_DEFAULT)
793: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 794: if (where == BORDER)
795: key = KEYC_MOUSEUP2_BORDER;
796: break;
797: case 2:
798: if (where == PANE)
799: key = KEYC_MOUSEUP3_PANE;
800: if (where == STATUS)
801: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 802: if (where == STATUS_LEFT)
803: key = KEYC_MOUSEUP3_STATUS_LEFT;
804: if (where == STATUS_RIGHT)
805: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 nicm 806: if (where == STATUS_DEFAULT)
807: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 808: if (where == BORDER)
809: key = KEYC_MOUSEUP3_BORDER;
810: break;
811: }
812: break;
813: case DOWN:
814: switch (MOUSE_BUTTONS(b)) {
815: case 0:
816: if (where == PANE)
817: key = KEYC_MOUSEDOWN1_PANE;
818: if (where == STATUS)
819: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 820: if (where == STATUS_LEFT)
821: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
822: if (where == STATUS_RIGHT)
823: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 nicm 824: if (where == STATUS_DEFAULT)
825: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 826: if (where == BORDER)
827: key = KEYC_MOUSEDOWN1_BORDER;
828: break;
829: case 1:
830: if (where == PANE)
831: key = KEYC_MOUSEDOWN2_PANE;
832: if (where == STATUS)
833: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 834: if (where == STATUS_LEFT)
835: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
836: if (where == STATUS_RIGHT)
837: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 nicm 838: if (where == STATUS_DEFAULT)
839: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 840: if (where == BORDER)
841: key = KEYC_MOUSEDOWN2_BORDER;
842: break;
843: case 2:
844: if (where == PANE)
845: key = KEYC_MOUSEDOWN3_PANE;
846: if (where == STATUS)
847: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 848: if (where == STATUS_LEFT)
849: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
850: if (where == STATUS_RIGHT)
851: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 nicm 852: if (where == STATUS_DEFAULT)
853: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 854: if (where == BORDER)
855: key = KEYC_MOUSEDOWN3_BORDER;
856: break;
1.66 nicm 857: }
1.131 nicm 858: break;
1.192 nicm 859: case DOUBLE:
860: switch (MOUSE_BUTTONS(b)) {
861: case 0:
862: if (where == PANE)
863: key = KEYC_DOUBLECLICK1_PANE;
864: if (where == STATUS)
865: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 866: if (where == STATUS_LEFT)
867: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
868: if (where == STATUS_RIGHT)
869: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 nicm 870: if (where == STATUS_DEFAULT)
871: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 872: if (where == BORDER)
873: key = KEYC_DOUBLECLICK1_BORDER;
874: break;
875: case 1:
876: if (where == PANE)
877: key = KEYC_DOUBLECLICK2_PANE;
878: if (where == STATUS)
879: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 880: if (where == STATUS_LEFT)
881: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
882: if (where == STATUS_RIGHT)
883: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 nicm 884: if (where == STATUS_DEFAULT)
885: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 886: if (where == BORDER)
887: key = KEYC_DOUBLECLICK2_BORDER;
888: break;
889: case 2:
890: if (where == PANE)
891: key = KEYC_DOUBLECLICK3_PANE;
892: if (where == STATUS)
893: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 894: if (where == STATUS_LEFT)
895: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
896: if (where == STATUS_RIGHT)
897: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 nicm 898: if (where == STATUS_DEFAULT)
899: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 900: if (where == BORDER)
901: key = KEYC_DOUBLECLICK3_BORDER;
902: break;
903: }
904: break;
905: case TRIPLE:
906: switch (MOUSE_BUTTONS(b)) {
907: case 0:
908: if (where == PANE)
909: key = KEYC_TRIPLECLICK1_PANE;
910: if (where == STATUS)
911: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 912: if (where == STATUS_LEFT)
913: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
914: if (where == STATUS_RIGHT)
915: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 nicm 916: if (where == STATUS_DEFAULT)
917: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 918: if (where == BORDER)
919: key = KEYC_TRIPLECLICK1_BORDER;
920: break;
921: case 1:
922: if (where == PANE)
923: key = KEYC_TRIPLECLICK2_PANE;
924: if (where == STATUS)
925: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 926: if (where == STATUS_LEFT)
927: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
928: if (where == STATUS_RIGHT)
929: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 nicm 930: if (where == STATUS_DEFAULT)
931: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 932: if (where == BORDER)
933: key = KEYC_TRIPLECLICK2_BORDER;
934: break;
935: case 2:
936: if (where == PANE)
937: key = KEYC_TRIPLECLICK3_PANE;
938: if (where == STATUS)
939: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 940: if (where == STATUS_LEFT)
941: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
942: if (where == STATUS_RIGHT)
943: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 nicm 944: if (where == STATUS_DEFAULT)
945: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 946: if (where == BORDER)
947: key = KEYC_TRIPLECLICK3_BORDER;
948: break;
949: }
950: break;
1.66 nicm 951: }
1.177 nicm 952: if (key == KEYC_UNKNOWN)
953: return (KEYC_UNKNOWN);
1.66 nicm 954:
1.131 nicm 955: /* Apply modifiers if any. */
956: if (b & MOUSE_MASK_META)
957: key |= KEYC_ESCAPE;
958: if (b & MOUSE_MASK_CTRL)
959: key |= KEYC_CTRL;
960: if (b & MOUSE_MASK_SHIFT)
961: key |= KEYC_SHIFT;
1.66 nicm 962:
1.131 nicm 963: return (key);
1.66 nicm 964: }
965:
1.82 nicm 966: /* Is this fast enough to probably be a paste? */
1.190 nicm 967: static int
1.82 nicm 968: server_client_assume_paste(struct session *s)
969: {
970: struct timeval tv;
1.84 nicm 971: int t;
1.82 nicm 972:
1.163 nicm 973: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 974: return (0);
1.82 nicm 975:
976: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 977: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
978: log_debug("session %s pasting (flag %d)", s->name,
979: !!(s->flags & SESSION_PASTING));
980: if (s->flags & SESSION_PASTING)
981: return (1);
982: s->flags |= SESSION_PASTING;
983: return (0);
984: }
985: log_debug("session %s not pasting", s->name);
986: s->flags &= ~SESSION_PASTING;
1.83 nicm 987: return (0);
1.82 nicm 988: }
989:
1.276 nicm 990: /*
991: * Handle data key input from client. This owns and can modify the key event it
992: * is given and is responsible for freeing it.
993: */
1.280 nicm 994: static enum cmd_retval
1.276 nicm 995: server_client_key_callback(struct cmdq_item *item, void *data)
1.18 nicm 996: {
1.276 nicm 997: struct client *c = item->client;
998: struct key_event *event = data;
999: key_code key = event->key;
1000: struct mouse_event *m = &event->m;
1.267 nicm 1001: struct session *s = c->session;
1002: struct winlink *wl;
1003: struct window *w;
1004: struct window_pane *wp;
1005: struct window_mode_entry *wme;
1006: struct timeval tv;
1007: struct key_table *table, *first;
1008: struct key_binding *bd;
1009: int xtimeout, flags;
1010: struct cmd_find_state fs;
1011: key_code key0;
1.18 nicm 1012:
1013: /* Check the client is good to accept input. */
1.132 nicm 1014: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.276 nicm 1015: goto out;
1.264 nicm 1016: wl = s->curw;
1017: w = wl->window;
1.18 nicm 1018:
1019: /* Update the activity timer. */
1020: if (gettimeofday(&c->activity_time, NULL) != 0)
1021: fatal("gettimeofday failed");
1.149 nicm 1022: session_update_activity(s, &c->activity_time);
1.18 nicm 1023:
1024: /* Handle status line. */
1.281 ! nicm 1025: if (~c->flags & CLIENT_READONLY)
1.30 nicm 1026: status_message_clear(c);
1.18 nicm 1027: if (c->prompt_string != NULL) {
1.193 nicm 1028: if (c->flags & CLIENT_READONLY)
1.276 nicm 1029: goto out;
1.193 nicm 1030: if (status_prompt_key(c, key) == 0)
1.276 nicm 1031: goto out;
1.18 nicm 1032: }
1033:
1034: /* Check for mouse keys. */
1.204 nicm 1035: m->valid = 0;
1.18 nicm 1036: if (key == KEYC_MOUSE) {
1.30 nicm 1037: if (c->flags & CLIENT_READONLY)
1.276 nicm 1038: goto out;
1039: key = server_client_check_mouse(c, event);
1.177 nicm 1040: if (key == KEYC_UNKNOWN)
1.276 nicm 1041: goto out;
1.131 nicm 1042:
1043: m->valid = 1;
1044: m->key = key;
1.203 nicm 1045:
1046: /*
1.204 nicm 1047: * Mouse drag is in progress, so fire the callback (now that
1048: * the mouse event is valid).
1.203 nicm 1049: */
1.204 nicm 1050: if (key == KEYC_DRAGGING) {
1051: c->tty.mouse_drag_update(c, m);
1.276 nicm 1052: goto out;
1.204 nicm 1053: }
1.276 nicm 1054: }
1.18 nicm 1055:
1.202 nicm 1056: /* Find affected pane. */
1.243 nicm 1057: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1058: cmd_find_from_session(&fs, s, 0);
1.227 nicm 1059: wp = fs.wp;
1.202 nicm 1060:
1061: /* Forward mouse keys if disabled. */
1.206 nicm 1062: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1063: goto forward_key;
1.202 nicm 1064:
1.132 nicm 1065: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1066: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1067: goto forward_key;
1.18 nicm 1068:
1.191 nicm 1069: /*
1070: * Work out the current key table. If the pane is in a mode, use
1071: * the mode table instead of the default key table.
1072: */
1.223 nicm 1073: if (server_client_is_default_key_table(c, c->keytable) &&
1074: wp != NULL &&
1.267 nicm 1075: (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
1076: wme->mode->key_table != NULL)
1077: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223 nicm 1078: else
1.191 nicm 1079: table = c->keytable;
1.223 nicm 1080: first = table;
1.191 nicm 1081:
1.253 nicm 1082: table_changed:
1.205 nicm 1083: /*
1084: * The prefix always takes precedence and forces a switch to the prefix
1085: * table, unless we are already there.
1086: */
1.252 nicm 1087: key0 = (key & ~KEYC_XTERM);
1.239 nicm 1088: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1089: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1090: strcmp(table->name, "prefix") != 0) {
1091: server_client_set_key_table(c, "prefix");
1092: server_status_client(c);
1.276 nicm 1093: goto out;
1.205 nicm 1094: }
1.238 nicm 1095: flags = c->flags;
1.205 nicm 1096:
1.262 nicm 1097: try_again:
1.223 nicm 1098: /* Log key table. */
1099: if (wp == NULL)
1100: log_debug("key table %s (no pane)", table->name);
1101: else
1102: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1103: if (c->flags & CLIENT_REPEAT)
1104: log_debug("currently repeating");
1.223 nicm 1105:
1.132 nicm 1106: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1107: bd = key_bindings_get(table, key0);
1.132 nicm 1108: if (bd != NULL) {
1109: /*
1110: * Key was matched in this table. If currently repeating but a
1111: * non-repeating binding was found, stop repeating and try
1112: * again in the root table.
1113: */
1.222 nicm 1114: if ((c->flags & CLIENT_REPEAT) &&
1115: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1116: log_debug("found in key table %s (not repeating)",
1117: table->name);
1.178 nicm 1118: server_client_set_key_table(c, NULL);
1.262 nicm 1119: first = table = c->keytable;
1.132 nicm 1120: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1121: server_status_client(c);
1.253 nicm 1122: goto table_changed;
1.18 nicm 1123: }
1.223 nicm 1124: log_debug("found in key table %s", table->name);
1.82 nicm 1125:
1.132 nicm 1126: /*
1127: * Take a reference to this table to make sure the key binding
1128: * doesn't disappear.
1129: */
1130: table->references++;
1131:
1132: /*
1133: * If this is a repeating key, start the timer. Otherwise reset
1134: * the client back to the root table.
1135: */
1.163 nicm 1136: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1137: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1138: c->flags |= CLIENT_REPEAT;
1139:
1140: tv.tv_sec = xtimeout / 1000;
1141: tv.tv_usec = (xtimeout % 1000) * 1000L;
1142: evtimer_del(&c->repeat_timer);
1143: evtimer_add(&c->repeat_timer, &tv);
1144: } else {
1.18 nicm 1145: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1146: server_client_set_key_table(c, NULL);
1.18 nicm 1147: }
1.132 nicm 1148: server_status_client(c);
1149:
1.227 nicm 1150: /* Execute the key binding. */
1.276 nicm 1151: key_bindings_dispatch(bd, item, c, m, &fs);
1.132 nicm 1152: key_bindings_unref_table(table);
1.276 nicm 1153: goto out;
1.18 nicm 1154: }
1155:
1.132 nicm 1156: /*
1.253 nicm 1157: * No match, try the ANY key.
1158: */
1159: if (key0 != KEYC_ANY) {
1160: key0 = KEYC_ANY;
1161: goto try_again;
1162: }
1163:
1164: /*
1.223 nicm 1165: * No match in this table. If not in the root table or if repeating,
1166: * switch the client back to the root table and try again.
1.132 nicm 1167: */
1.223 nicm 1168: log_debug("not found in key table %s", table->name);
1169: if (!server_client_is_default_key_table(c, table) ||
1170: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1171: log_debug("trying in root table");
1.178 nicm 1172: server_client_set_key_table(c, NULL);
1.262 nicm 1173: table = c->keytable;
1174: if (c->flags & CLIENT_REPEAT)
1175: first = table;
1.18 nicm 1176: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1177: server_status_client(c);
1.253 nicm 1178: goto table_changed;
1.18 nicm 1179: }
1180:
1.223 nicm 1181: /*
1182: * No match in the root table either. If this wasn't the first table
1183: * tried, don't pass the key to the pane.
1184: */
1.238 nicm 1185: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1186: server_client_set_key_table(c, NULL);
1.132 nicm 1187: server_status_client(c);
1.276 nicm 1188: goto out;
1.161 nicm 1189: }
1190:
1.253 nicm 1191: forward_key:
1.161 nicm 1192: if (c->flags & CLIENT_READONLY)
1.276 nicm 1193: goto out;
1.161 nicm 1194: if (wp != NULL)
1.264 nicm 1195: window_pane_key(wp, c, s, wl, key, m);
1.276 nicm 1196:
1197: out:
1198: free(event);
1199: return (CMD_RETURN_NORMAL);
1.280 nicm 1200: }
1201:
1202: /* Handle a key event. */
1203: int
1204: server_client_handle_key(struct client *c, struct key_event *event)
1205: {
1206: struct session *s = c->session;
1207: struct cmdq_item *item;
1208:
1209: /* Check the client is good to accept input. */
1210: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1211: return (0);
1212:
1213: /*
1.281 ! nicm 1214: * Key presses in overlay mode are a special case. The queue might be
1.280 nicm 1215: * blocked so they need to be processed immediately rather than queued.
1216: */
1.281 ! nicm 1217: if ((~c->flags & CLIENT_READONLY) && c->overlay_key != NULL) {
! 1218: if (c->overlay_key(c, event) != 0)
! 1219: server_client_clear_overlay(c);
1.280 nicm 1220: return (0);
1221: }
1222:
1223: /*
1224: * Add the key to the queue so it happens after any commands queued by
1225: * previous keys.
1226: */
1227: item = cmdq_get_callback(server_client_key_callback, event);
1228: cmdq_append(c, item);
1229: return (1);
1.18 nicm 1230: }
1231:
1.2 nicm 1232: /* Client functions that need to happen every loop. */
1233: void
1234: server_client_loop(void)
1235: {
1236: struct client *c;
1237: struct window *w;
1238: struct window_pane *wp;
1.197 nicm 1239: int focus;
1.2 nicm 1240:
1.135 nicm 1241: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1242: server_client_check_exit(c);
1243: if (c->session != NULL) {
1244: server_client_check_redraw(c);
1245: server_client_reset_state(c);
1246: }
1.2 nicm 1247: }
1248:
1249: /*
1250: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1251: * their flags now. Also check pane focus and resize.
1.2 nicm 1252: */
1.197 nicm 1253: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1254: RB_FOREACH(w, windows, &windows) {
1.91 nicm 1255: TAILQ_FOREACH(wp, &w->panes, entry) {
1.101 nicm 1256: if (wp->fd != -1) {
1.197 nicm 1257: if (focus)
1258: server_client_check_focus(wp);
1.101 nicm 1259: server_client_check_resize(wp);
1260: }
1.2 nicm 1261: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1262: }
1.150 nicm 1263: check_window_name(w);
1.2 nicm 1264: }
1.92 nicm 1265: }
1266:
1.237 nicm 1267: /* Check if we need to force a resize. */
1268: static int
1269: server_client_resize_force(struct window_pane *wp)
1270: {
1271: struct timeval tv = { .tv_usec = 100000 };
1272: struct winsize ws;
1273:
1274: /*
1275: * If we are resizing to the same size as when we entered the loop
1276: * (that is, to the same size the application currently thinks it is),
1277: * tmux may have gone through several resizes internally and thrown
1278: * away parts of the screen. So we need the application to actually
1279: * redraw even though its final size has not changed.
1280: */
1281:
1282: if (wp->flags & PANE_RESIZEFORCE) {
1283: wp->flags &= ~PANE_RESIZEFORCE;
1284: return (0);
1285: }
1286:
1287: if (wp->sx != wp->osx ||
1288: wp->sy != wp->osy ||
1289: wp->sx <= 1 ||
1290: wp->sy <= 1)
1291: return (0);
1292:
1293: memset(&ws, 0, sizeof ws);
1294: ws.ws_col = wp->sx;
1295: ws.ws_row = wp->sy - 1;
1.244 nicm 1296: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.237 nicm 1297: fatal("ioctl failed");
1298: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1299:
1300: evtimer_add(&wp->resize_timer, &tv);
1301: wp->flags |= PANE_RESIZEFORCE;
1302: return (1);
1303: }
1304:
1.211 nicm 1305: /* Resize timer event. */
1.188 nicm 1306: static void
1307: server_client_resize_event(__unused int fd, __unused short events, void *data)
1.92 nicm 1308: {
1.188 nicm 1309: struct window_pane *wp = data;
1310: struct winsize ws;
1311:
1312: evtimer_del(&wp->resize_timer);
1.92 nicm 1313:
1.101 nicm 1314: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 1315: return;
1.237 nicm 1316: if (server_client_resize_force(wp))
1317: return;
1.235 nicm 1318:
1.92 nicm 1319: memset(&ws, 0, sizeof ws);
1320: ws.ws_col = wp->sx;
1321: ws.ws_row = wp->sy;
1.244 nicm 1322: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 1323: fatal("ioctl failed");
1.235 nicm 1324: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.92 nicm 1325:
1326: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1327:
1328: wp->osx = wp->sx;
1329: wp->osy = wp->sy;
1.188 nicm 1330: }
1331:
1332: /* Check if pane should be resized. */
1.190 nicm 1333: static void
1.188 nicm 1334: server_client_check_resize(struct window_pane *wp)
1335: {
1336: struct timeval tv = { .tv_usec = 250000 };
1337:
1338: if (!(wp->flags & PANE_RESIZE))
1339: return;
1.235 nicm 1340: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.188 nicm 1341:
1342: if (!event_initialized(&wp->resize_timer))
1343: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1344:
1345: /*
1346: * The first resize should happen immediately, so if the timer is not
1347: * running, do it now.
1348: */
1349: if (!evtimer_pending(&wp->resize_timer, NULL))
1350: server_client_resize_event(-1, 0, wp);
1351:
1352: /*
1353: * If the pane is in the alternate screen, let the timer expire and
1354: * resize to give the application a chance to redraw. If not, keep
1355: * pushing the timer back.
1356: */
1357: if (wp->saved_grid != NULL && evtimer_pending(&wp->resize_timer, NULL))
1358: return;
1359: evtimer_del(&wp->resize_timer);
1360: evtimer_add(&wp->resize_timer, &tv);
1.91 nicm 1361: }
1362:
1363: /* Check whether pane should be focused. */
1.190 nicm 1364: static void
1.91 nicm 1365: server_client_check_focus(struct window_pane *wp)
1366: {
1.93 nicm 1367: struct client *c;
1.102 nicm 1368: int push;
1369:
1370: /* Do we need to push the focus state? */
1371: push = wp->flags & PANE_FOCUSPUSH;
1372: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1373:
1374: /* If we're not the active pane in our window, we're not focused. */
1375: if (wp->window->active != wp)
1376: goto not_focused;
1377:
1378: /* If we're in a mode, we're not focused. */
1379: if (wp->screen != &wp->base)
1380: goto not_focused;
1381:
1382: /*
1.93 nicm 1383: * If our window is the current window in any focused clients with an
1384: * attached session, we're focused.
1.91 nicm 1385: */
1.135 nicm 1386: TAILQ_FOREACH(c, &clients, entry) {
1387: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1388: continue;
1.255 nicm 1389: if (c->session->attached == 0)
1.93 nicm 1390: continue;
1391:
1392: if (c->session->curw->window == wp->window)
1.91 nicm 1393: goto focused;
1394: }
1395:
1396: not_focused:
1.251 nicm 1397: if (push || (wp->flags & PANE_FOCUSED)) {
1398: if (wp->base.mode & MODE_FOCUSON)
1399: bufferevent_write(wp->event, "\033[O", 3);
1400: notify_pane("pane-focus-out", wp);
1401: }
1.91 nicm 1402: wp->flags &= ~PANE_FOCUSED;
1403: return;
1404:
1405: focused:
1.251 nicm 1406: if (push || !(wp->flags & PANE_FOCUSED)) {
1407: if (wp->base.mode & MODE_FOCUSON)
1408: bufferevent_write(wp->event, "\033[I", 3);
1409: notify_pane("pane-focus-in", wp);
1.275 nicm 1410: session_update_activity(c->session, NULL);
1.251 nicm 1411: }
1.91 nicm 1412: wp->flags |= PANE_FOCUSED;
1.2 nicm 1413: }
1414:
1.18 nicm 1415: /*
1416: * Update cursor position and mode settings. The scroll region and attributes
1417: * are cleared when idle (waiting for an event) as this is the most likely time
1418: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1419: * compromise between excessive resets and likelihood of an interrupt.
1420: *
1421: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1422: * things that are already in their default state.
1423: */
1.190 nicm 1424: static void
1.18 nicm 1425: server_client_reset_state(struct client *c)
1.1 nicm 1426: {
1.18 nicm 1427: struct window *w = c->session->curw->window;
1.209 nicm 1428: struct window_pane *wp = w->active, *loop;
1.18 nicm 1429: struct screen *s = wp->screen;
1.163 nicm 1430: struct options *oo = c->session->options;
1.261 nicm 1431: int mode, cursor = 0;
1432: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1433:
1.186 nicm 1434: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1435: return;
1.261 nicm 1436: mode = s->mode;
1.86 nicm 1437:
1.199 nicm 1438: tty_region_off(&c->tty);
1439: tty_margin_off(&c->tty);
1.1 nicm 1440:
1.261 nicm 1441: /* Move cursor to pane cursor and offset. */
1442: cursor = 0;
1443: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1444: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1445: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1446: cursor = 1;
1447:
1448: cx = wp->xoff + s->cx - ox;
1449: cy = wp->yoff + s->cy - oy;
1450:
1451: if (status_at_line(c) == 0)
1452: cy += status_line_size(c);
1453: }
1454: if (!cursor)
1455: mode &= ~MODE_CURSOR;
1456: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1457:
1.50 nicm 1458: /*
1.131 nicm 1459: * Set mouse mode if requested. To support dragging, always use button
1460: * mode.
1.57 nicm 1461: */
1.209 nicm 1462: if (options_get_number(oo, "mouse")) {
1463: mode &= ~ALL_MOUSE_MODES;
1464: TAILQ_FOREACH(loop, &w->panes, entry) {
1465: if (loop->screen->mode & MODE_MOUSE_ALL)
1466: mode |= MODE_MOUSE_ALL;
1467: }
1468: if (~mode & MODE_MOUSE_ALL)
1469: mode |= MODE_MOUSE_BUTTON;
1470: }
1.215 nicm 1471:
1472: /* Clear bracketed paste mode if at the prompt. */
1473: if (c->prompt_string != NULL)
1474: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1475:
1476: /* Set the terminal mode and reset attributes. */
1.59 nicm 1477: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1478: tty_reset(&c->tty);
1.17 nicm 1479: }
1480:
1481: /* Repeat time callback. */
1.190 nicm 1482: static void
1.170 nicm 1483: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1484: {
1485: struct client *c = data;
1486:
1.85 nicm 1487: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1488: server_client_set_key_table(c, NULL);
1.132 nicm 1489: c->flags &= ~CLIENT_REPEAT;
1490: server_status_client(c);
1.85 nicm 1491: }
1.192 nicm 1492: }
1493:
1494: /* Double-click callback. */
1495: static void
1496: server_client_click_timer(__unused int fd, __unused short events, void *data)
1497: {
1498: struct client *c = data;
1499:
1500: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1501: }
1502:
1.36 nicm 1503: /* Check if client should be exited. */
1.190 nicm 1504: static void
1.36 nicm 1505: server_client_check_exit(struct client *c)
1506: {
1507: if (!(c->flags & CLIENT_EXIT))
1508: return;
1509:
1.73 nicm 1510: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
1511: return;
1512: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 1513: return;
1.73 nicm 1514: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 1515: return;
1516:
1.249 nicm 1517: if (c->flags & CLIENT_ATTACHED)
1518: notify_client("client-detached", c);
1.162 nicm 1519: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.36 nicm 1520: c->flags &= ~CLIENT_EXIT;
1.38 nicm 1521: }
1522:
1.218 nicm 1523: /* Redraw timer callback. */
1524: static void
1525: server_client_redraw_timer(__unused int fd, __unused short events,
1526: __unused void* data)
1527: {
1528: log_debug("redraw timer fired");
1529: }
1530:
1.1 nicm 1531: /* Check for client redraws. */
1.190 nicm 1532: static void
1.1 nicm 1533: server_client_check_redraw(struct client *c)
1534: {
1535: struct session *s = c->session;
1.137 nicm 1536: struct tty *tty = &c->tty;
1.1 nicm 1537: struct window_pane *wp;
1.256 nicm 1538: int needed, flags;
1.218 nicm 1539: struct timeval tv = { .tv_usec = 1000 };
1540: static struct event ev;
1541: size_t left;
1.1 nicm 1542:
1.86 nicm 1543: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1544: return;
1.257 nicm 1545: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1546: log_debug("%s: redraw%s%s%s", c->name,
1547: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1548: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1549: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "");
1550: }
1.218 nicm 1551:
1552: /*
1553: * If there is outstanding data, defer the redraw until it has been
1554: * consumed. We can just add a timer to get out of the event loop and
1555: * end up back here.
1556: */
1557: needed = 0;
1.256 nicm 1558: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1559: needed = 1;
1560: else {
1561: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1562: if (wp->flags & PANE_REDRAW) {
1563: needed = 1;
1564: break;
1565: }
1566: }
1567: }
1.241 nicm 1568: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1569: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1570: if (!evtimer_initialized(&ev))
1571: evtimer_set(&ev, server_client_redraw_timer, NULL);
1572: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1573: log_debug("redraw timer started");
1574: evtimer_add(&ev, &tv);
1.241 nicm 1575: }
1.218 nicm 1576:
1.241 nicm 1577: /*
1578: * We may have got here for a single pane redraw, but force a
1579: * full redraw next time in case other panes have been updated.
1580: */
1.256 nicm 1581: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1582: return;
1583: } else if (needed)
1.218 nicm 1584: log_debug("%s: redraw needed", c->name);
1.79 nicm 1585:
1.219 nicm 1586: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1587: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1588:
1.256 nicm 1589: if (~c->flags & CLIENT_REDRAWWINDOW) {
1590: /*
1591: * If not redrawing the entire window, check whether each pane
1592: * needs to be redrawn.
1593: */
1.1 nicm 1594: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1595: if (wp->flags & PANE_REDRAW) {
1596: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1597: screen_redraw_pane(c, wp);
1.137 nicm 1598: }
1.1 nicm 1599: }
1600: }
1601:
1.256 nicm 1602: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1603: if (options_get_number(s->options, "set-titles"))
1604: server_client_set_title(c);
1605: screen_redraw_screen(c);
1606: }
1.1 nicm 1607:
1.137 nicm 1608: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1609: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1610:
1.256 nicm 1611: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1612:
1613: if (needed) {
1614: /*
1615: * We would have deferred the redraw unless the output buffer
1616: * was empty, so we can record how many bytes the redraw
1617: * generated.
1618: */
1619: c->redraw = EVBUFFER_LENGTH(tty->out);
1620: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1621: }
1.1 nicm 1622: }
1623:
1624: /* Set client title. */
1.190 nicm 1625: static void
1.1 nicm 1626: server_client_set_title(struct client *c)
1627: {
1.128 nicm 1628: struct session *s = c->session;
1629: const char *template;
1630: char *title;
1631: struct format_tree *ft;
1.1 nicm 1632:
1.163 nicm 1633: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1634:
1.228 nicm 1635: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1636: format_defaults(ft, c, NULL, NULL, NULL);
1637:
1.269 nicm 1638: title = format_expand_time(ft, template);
1.1 nicm 1639: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1640: free(c->title);
1.1 nicm 1641: c->title = xstrdup(title);
1642: tty_set_title(&c->tty, c->title);
1643: }
1.77 nicm 1644: free(title);
1.128 nicm 1645:
1646: format_free(ft);
1.1 nicm 1647: }
1648:
1649: /* Dispatch message from client. */
1.190 nicm 1650: static void
1.162 nicm 1651: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1652: {
1.162 nicm 1653: struct client *c = arg;
1.73 nicm 1654: struct msg_stdin_data stdindata;
1.108 nicm 1655: const char *data;
1.162 nicm 1656: ssize_t datalen;
1.149 nicm 1657: struct session *s;
1.1 nicm 1658:
1.162 nicm 1659: if (c->flags & CLIENT_DEAD)
1660: return;
1661:
1662: if (imsg == NULL) {
1663: server_client_lost(c);
1664: return;
1665: }
1.1 nicm 1666:
1.162 nicm 1667: data = imsg->data;
1668: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1669:
1.162 nicm 1670: switch (imsg->hdr.type) {
1671: case MSG_IDENTIFY_FLAGS:
1672: case MSG_IDENTIFY_TERM:
1673: case MSG_IDENTIFY_TTYNAME:
1674: case MSG_IDENTIFY_CWD:
1675: case MSG_IDENTIFY_STDIN:
1676: case MSG_IDENTIFY_ENVIRON:
1677: case MSG_IDENTIFY_CLIENTPID:
1678: case MSG_IDENTIFY_DONE:
1679: server_client_dispatch_identify(c, imsg);
1680: break;
1681: case MSG_COMMAND:
1682: server_client_dispatch_command(c, imsg);
1683: break;
1684: case MSG_STDIN:
1685: if (datalen != sizeof stdindata)
1686: fatalx("bad MSG_STDIN size");
1687: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1688:
1.162 nicm 1689: if (c->stdin_callback == NULL)
1.33 nicm 1690: break;
1.162 nicm 1691: if (stdindata.size <= 0)
1692: c->stdin_closed = 1;
1693: else {
1694: evbuffer_add(c->stdin_data, stdindata.data,
1695: stdindata.size);
1696: }
1.279 nicm 1697: c->stdin_callback(c, c->stdin_closed, c->stdin_callback_data);
1.162 nicm 1698: break;
1699: case MSG_RESIZE:
1700: if (datalen != 0)
1701: fatalx("bad MSG_RESIZE size");
1.1 nicm 1702:
1.162 nicm 1703: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1704: break;
1.236 nicm 1705: tty_resize(&c->tty);
1706: recalculate_sizes();
1707: server_redraw_client(c);
1.174 nicm 1708: if (c->session != NULL)
1.196 nicm 1709: notify_client("client-resized", c);
1.162 nicm 1710: break;
1711: case MSG_EXITING:
1712: if (datalen != 0)
1713: fatalx("bad MSG_EXITING size");
1.1 nicm 1714:
1.162 nicm 1715: c->session = NULL;
1716: tty_close(&c->tty);
1717: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1718: break;
1719: case MSG_WAKEUP:
1720: case MSG_UNLOCK:
1721: if (datalen != 0)
1722: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1723:
1.162 nicm 1724: if (!(c->flags & CLIENT_SUSPENDED))
1725: break;
1726: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1727:
1.162 nicm 1728: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1729: break;
1.162 nicm 1730: s = c->session;
1.1 nicm 1731:
1.162 nicm 1732: if (gettimeofday(&c->activity_time, NULL) != 0)
1733: fatal("gettimeofday failed");
1734:
1735: tty_start_tty(&c->tty);
1736: server_redraw_client(c);
1737: recalculate_sizes();
1.184 nicm 1738:
1739: if (s != NULL)
1740: session_update_activity(s, &c->activity_time);
1.162 nicm 1741: break;
1742: case MSG_SHELL:
1743: if (datalen != 0)
1744: fatalx("bad MSG_SHELL size");
1.1 nicm 1745:
1.162 nicm 1746: server_client_dispatch_shell(c);
1747: break;
1.1 nicm 1748: }
1749: }
1750:
1.194 nicm 1751: /* Callback when command is done. */
1752: static enum cmd_retval
1.195 nicm 1753: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1754: {
1.195 nicm 1755: struct client *c = item->client;
1.194 nicm 1756:
1757: if (~c->flags & CLIENT_ATTACHED)
1758: c->flags |= CLIENT_EXIT;
1759: return (CMD_RETURN_NORMAL);
1760: }
1761:
1762: /* Show an error message. */
1763: static enum cmd_retval
1.195 nicm 1764: server_client_command_error(struct cmdq_item *item, void *data)
1.194 nicm 1765: {
1766: char *error = data;
1767:
1.195 nicm 1768: cmdq_error(item, "%s", error);
1.194 nicm 1769: free(error);
1770:
1771: return (CMD_RETURN_NORMAL);
1772: }
1773:
1.1 nicm 1774: /* Handle command message. */
1.190 nicm 1775: static void
1.162 nicm 1776: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1777: {
1.108 nicm 1778: struct msg_command_data data;
1779: char *buf;
1780: size_t len;
1781: struct cmd_list *cmdlist = NULL;
1782: int argc;
1783: char **argv, *cause;
1.246 nicm 1784:
1785: if (c->flags & CLIENT_EXIT)
1786: return;
1.108 nicm 1787:
1788: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1789: fatalx("bad MSG_COMMAND size");
1790: memcpy(&data, imsg->data, sizeof data);
1791:
1.124 nicm 1792: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1793: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1794: if (len > 0 && buf[len - 1] != '\0')
1795: fatalx("bad MSG_COMMAND string");
1796:
1797: argc = data.argc;
1798: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1799: cause = xstrdup("command too long");
1.1 nicm 1800: goto error;
1801: }
1802:
1803: if (argc == 0) {
1804: argc = 1;
1805: argv = xcalloc(1, sizeof *argv);
1806: *argv = xstrdup("new-session");
1807: }
1808:
1.94 nicm 1809: if ((cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause)) == NULL) {
1.1 nicm 1810: cmd_free_argv(argc, argv);
1811: goto error;
1812: }
1813: cmd_free_argv(argc, argv);
1814:
1.194 nicm 1815: cmdq_append(c, cmdq_get_command(cmdlist, NULL, NULL, 0));
1816: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.1 nicm 1817: cmd_list_free(cmdlist);
1818: return;
1819:
1820: error:
1.194 nicm 1821: cmdq_append(c, cmdq_get_callback(server_client_command_error, cause));
1822:
1.1 nicm 1823: if (cmdlist != NULL)
1824: cmd_list_free(cmdlist);
1.88 nicm 1825:
1.36 nicm 1826: c->flags |= CLIENT_EXIT;
1.1 nicm 1827: }
1828:
1829: /* Handle identify message. */
1.190 nicm 1830: static void
1.162 nicm 1831: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1832: {
1.165 nicm 1833: const char *data, *home;
1.232 nicm 1834: size_t datalen;
1.109 nicm 1835: int flags;
1.216 nicm 1836: char *name;
1.109 nicm 1837:
1838: if (c->flags & CLIENT_IDENTIFIED)
1839: fatalx("out-of-order identify message");
1840:
1841: data = imsg->data;
1842: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1843:
1844: switch (imsg->hdr.type) {
1845: case MSG_IDENTIFY_FLAGS:
1846: if (datalen != sizeof flags)
1847: fatalx("bad MSG_IDENTIFY_FLAGS size");
1848: memcpy(&flags, data, sizeof flags);
1849: c->flags |= flags;
1.158 nicm 1850: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1851: break;
1852: case MSG_IDENTIFY_TERM:
1.110 nicm 1853: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1854: fatalx("bad MSG_IDENTIFY_TERM string");
1855: c->term = xstrdup(data);
1.158 nicm 1856: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1857: break;
1858: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1859: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1860: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1861: c->ttyname = xstrdup(data);
1.158 nicm 1862: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1863: break;
1864: case MSG_IDENTIFY_CWD:
1.155 nicm 1865: if (datalen == 0 || data[datalen - 1] != '\0')
1866: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1867: if (access(data, X_OK) == 0)
1868: c->cwd = xstrdup(data);
1869: else if ((home = find_home()) != NULL)
1870: c->cwd = xstrdup(home);
1871: else
1872: c->cwd = xstrdup("/");
1.158 nicm 1873: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1874: break;
1875: case MSG_IDENTIFY_STDIN:
1876: if (datalen != 0)
1877: fatalx("bad MSG_IDENTIFY_STDIN size");
1878: c->fd = imsg->fd;
1.158 nicm 1879: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1880: break;
1881: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1882: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1883: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1884: if (strchr(data, '=') != NULL)
1.164 nicm 1885: environ_put(c->environ, data);
1.158 nicm 1886: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1887: break;
1888: case MSG_IDENTIFY_CLIENTPID:
1889: if (datalen != sizeof c->pid)
1890: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1891: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1892: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1893: break;
1894: default:
1895: break;
1896: }
1897:
1898: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1899: return;
1900: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1901:
1.216 nicm 1902: if (*c->ttyname != '\0')
1903: name = xstrdup(c->ttyname);
1904: else
1905: xasprintf(&name, "client-%ld", (long)c->pid);
1906: c->name = name;
1907: log_debug("client %p name is %s", c, c->name);
1908:
1.109 nicm 1909: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1910: c->stdin_callback = control_callback;
1.109 nicm 1911:
1.97 nicm 1912: evbuffer_free(c->stderr_data);
1913: c->stderr_data = c->stdout_data;
1.109 nicm 1914:
1915: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1916: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.162 nicm 1917: proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
1.75 nicm 1918:
1919: c->tty.fd = -1;
1920:
1.109 nicm 1921: close(c->fd);
1922: c->fd = -1;
1923:
1.75 nicm 1924: return;
1925: }
1.1 nicm 1926:
1.109 nicm 1927: if (c->fd == -1)
1.104 nicm 1928: return;
1.145 nicm 1929: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1.109 nicm 1930: close(c->fd);
1931: c->fd = -1;
1.80 nicm 1932: return;
1933: }
1.109 nicm 1934: if (c->flags & CLIENT_UTF8)
1.1 nicm 1935: c->tty.flags |= TTY_UTF8;
1.109 nicm 1936: if (c->flags & CLIENT_256COLOURS)
1.1 nicm 1937: c->tty.term_flags |= TERM_256COLOURS;
1938:
1939: tty_resize(&c->tty);
1940:
1.109 nicm 1941: if (!(c->flags & CLIENT_CONTROL))
1.86 nicm 1942: c->flags |= CLIENT_TERMINAL;
1.1 nicm 1943: }
1944:
1945: /* Handle shell message. */
1.190 nicm 1946: static void
1.162 nicm 1947: server_client_dispatch_shell(struct client *c)
1.1 nicm 1948: {
1.107 nicm 1949: const char *shell;
1.25 nicm 1950:
1.163 nicm 1951: shell = options_get_string(global_s_options, "default-shell");
1.1 nicm 1952: if (*shell == '\0' || areshell(shell))
1953: shell = _PATH_BSHELL;
1.240 nicm 1954: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 1955:
1.162 nicm 1956: proc_kill_peer(c->peer);
1.169 nicm 1957: }
1958:
1959: /* Event callback to push more stdout data if any left. */
1960: static void
1.170 nicm 1961: server_client_stdout_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1962: {
1963: struct client *c = arg;
1964:
1965: if (~c->flags & CLIENT_DEAD)
1966: server_client_push_stdout(c);
1967: server_client_unref(c);
1968: }
1969:
1970: /* Push stdout to client if possible. */
1971: void
1972: server_client_push_stdout(struct client *c)
1973: {
1974: struct msg_stdout_data data;
1.232 nicm 1975: size_t sent, left;
1.169 nicm 1976:
1977: left = EVBUFFER_LENGTH(c->stdout_data);
1978: while (left != 0) {
1979: sent = left;
1980: if (sent > sizeof data.data)
1981: sent = sizeof data.data;
1982: memcpy(data.data, EVBUFFER_DATA(c->stdout_data), sent);
1983: data.size = sent;
1984:
1985: if (proc_send(c->peer, MSG_STDOUT, -1, &data, sizeof data) != 0)
1986: break;
1987: evbuffer_drain(c->stdout_data, sent);
1988:
1989: left = EVBUFFER_LENGTH(c->stdout_data);
1990: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1991: sent, left);
1992: }
1993: if (left != 0) {
1994: c->references++;
1995: event_once(-1, EV_TIMEOUT, server_client_stdout_cb, c, NULL);
1996: log_debug("%s: client %p, queued", __func__, c);
1997: }
1998: }
1999:
2000: /* Event callback to push more stderr data if any left. */
2001: static void
1.170 nicm 2002: server_client_stderr_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 2003: {
2004: struct client *c = arg;
2005:
2006: if (~c->flags & CLIENT_DEAD)
2007: server_client_push_stderr(c);
2008: server_client_unref(c);
2009: }
2010:
2011: /* Push stderr to client if possible. */
2012: void
2013: server_client_push_stderr(struct client *c)
2014: {
2015: struct msg_stderr_data data;
1.232 nicm 2016: size_t sent, left;
1.169 nicm 2017:
2018: if (c->stderr_data == c->stdout_data) {
2019: server_client_push_stdout(c);
2020: return;
2021: }
2022:
2023: left = EVBUFFER_LENGTH(c->stderr_data);
2024: while (left != 0) {
2025: sent = left;
2026: if (sent > sizeof data.data)
2027: sent = sizeof data.data;
2028: memcpy(data.data, EVBUFFER_DATA(c->stderr_data), sent);
2029: data.size = sent;
2030:
2031: if (proc_send(c->peer, MSG_STDERR, -1, &data, sizeof data) != 0)
2032: break;
2033: evbuffer_drain(c->stderr_data, sent);
2034:
2035: left = EVBUFFER_LENGTH(c->stderr_data);
2036: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
2037: sent, left);
2038: }
2039: if (left != 0) {
2040: c->references++;
2041: event_once(-1, EV_TIMEOUT, server_client_stderr_cb, c, NULL);
2042: log_debug("%s: client %p, queued", __func__, c);
1.212 nicm 2043: }
2044: }
2045:
2046: /* Add to client message log. */
2047: void
2048: server_client_add_message(struct client *c, const char *fmt, ...)
2049: {
2050: struct message_entry *msg, *msg1;
2051: char *s;
2052: va_list ap;
2053: u_int limit;
2054:
2055: va_start(ap, fmt);
2056: xvasprintf(&s, fmt, ap);
2057: va_end(ap);
2058:
1.216 nicm 2059: log_debug("message %s (client %p)", s, c);
1.212 nicm 2060:
2061: msg = xcalloc(1, sizeof *msg);
2062: msg->msg_time = time(NULL);
2063: msg->msg_num = c->message_next++;
2064: msg->msg = s;
2065: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
2066:
2067: limit = options_get_number(global_options, "message-limit");
2068: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
2069: if (msg->msg_num + limit >= c->message_next)
2070: break;
2071: free(msg->msg);
2072: TAILQ_REMOVE(&c->message_log, msg, entry);
2073: free(msg);
1.169 nicm 2074: }
1.213 nicm 2075: }
2076:
2077: /* Get client working directory. */
2078: const char *
1.250 nicm 2079: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2080: {
1.250 nicm 2081: const char *home;
1.213 nicm 2082:
1.265 nicm 2083: if (!cfg_finished && cfg_client != NULL)
2084: return (cfg_client->cwd);
1.213 nicm 2085: if (c != NULL && c->session == NULL && c->cwd != NULL)
2086: return (c->cwd);
1.250 nicm 2087: if (s != NULL && s->cwd != NULL)
2088: return (s->cwd);
1.213 nicm 2089: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2090: return (s->cwd);
1.250 nicm 2091: if ((home = find_home()) != NULL)
2092: return (home);
2093: return ("/");
1.213 nicm 2094: }
2095:
2096: /* Resolve an absolute path or relative to client working directory. */
2097: char *
2098: server_client_get_path(struct client *c, const char *file)
2099: {
2100: char *path, resolved[PATH_MAX];
2101:
2102: if (*file == '/')
2103: path = xstrdup(file);
2104: else
1.250 nicm 2105: xasprintf(&path, "%s/%s", server_client_get_cwd(c, NULL), file);
1.213 nicm 2106: if (realpath(path, resolved) == NULL)
2107: return (path);
2108: free(path);
2109: return (xstrdup(resolved));
1.1 nicm 2110: }
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