Annotation of src/usr.bin/tmux/server-client.c, Revision 1.274
1.274 ! nicm 1: /* $OpenBSD: server-client.c,v 1.273 2019/03/25 09:22:09 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 *);
38: static key_code server_client_check_mouse(struct client *);
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 *);
1.254 nicm 46: static void server_client_clear_identify(struct client *,
47: struct window_pane *);
1.190 nicm 48:
49: static void server_client_dispatch(struct imsg *, void *);
50: static void server_client_dispatch_command(struct client *, struct imsg *);
51: static void server_client_dispatch_identify(struct client *, struct imsg *);
52: static void server_client_dispatch_shell(struct client *);
1.233 nicm 53:
54: /* Number of attached clients. */
55: u_int
56: server_client_how_many(void)
57: {
58: struct client *c;
59: u_int n;
60:
61: n = 0;
62: TAILQ_FOREACH(c, &clients, entry) {
63: if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
64: n++;
65: }
66: return (n);
67: }
1.140 nicm 68:
1.220 nicm 69: /* Identify mode callback. */
1.214 nicm 70: static void
1.232 nicm 71: server_client_callback_identify(__unused int fd, __unused short events,
72: void *data)
1.214 nicm 73: {
74: server_client_clear_identify(data, NULL);
75: }
76:
77: /* Set identify mode on client. */
78: void
1.242 nicm 79: server_client_set_identify(struct client *c, u_int delay)
1.214 nicm 80: {
81: struct timeval tv;
82:
83: tv.tv_sec = delay / 1000;
84: tv.tv_usec = (delay % 1000) * 1000L;
85:
86: if (event_initialized(&c->identify_timer))
87: evtimer_del(&c->identify_timer);
88: evtimer_set(&c->identify_timer, server_client_callback_identify, c);
1.242 nicm 89: if (delay != 0)
90: evtimer_add(&c->identify_timer, &tv);
1.214 nicm 91:
92: c->flags |= CLIENT_IDENTIFY;
93: c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
94: server_redraw_client(c);
95: }
96:
97: /* Clear identify mode on client. */
1.254 nicm 98: static void
1.214 nicm 99: server_client_clear_identify(struct client *c, struct window_pane *wp)
100: {
101: if (~c->flags & CLIENT_IDENTIFY)
102: return;
103: c->flags &= ~CLIENT_IDENTIFY;
104:
105: if (c->identify_callback != NULL)
106: c->identify_callback(c, wp);
107:
108: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
109: server_redraw_client(c);
110: }
111:
1.140 nicm 112: /* Check if this client is inside this server. */
113: int
114: server_client_check_nested(struct client *c)
115: {
116: struct environ_entry *envent;
117: struct window_pane *wp;
118:
1.164 nicm 119: envent = environ_find(c->environ, "TMUX");
1.140 nicm 120: if (envent == NULL || *envent->value == '\0')
121: return (0);
122:
123: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 124: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 125: return (1);
126: }
127: return (0);
128: }
1.1 nicm 129:
1.132 nicm 130: /* Set client key table. */
131: void
1.178 nicm 132: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 133: {
1.178 nicm 134: if (name == NULL)
135: name = server_client_get_key_table(c);
136:
1.132 nicm 137: key_bindings_unref_table(c->keytable);
138: c->keytable = key_bindings_get_table(name, 1);
139: c->keytable->references++;
140: }
141:
1.178 nicm 142: /* Get default key table. */
143: const char *
144: server_client_get_key_table(struct client *c)
145: {
146: struct session *s = c->session;
147: const char *name;
148:
149: if (s == NULL)
150: return ("root");
151:
152: name = options_get_string(s->options, "key-table");
153: if (*name == '\0')
154: return ("root");
155: return (name);
156: }
157:
1.223 nicm 158: /* Is this table the default key table? */
159: static int
160: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 161: {
1.223 nicm 162: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 163: }
164:
1.1 nicm 165: /* Create a new client. */
1.246 nicm 166: struct client *
1.1 nicm 167: server_client_create(int fd)
168: {
169: struct client *c;
170:
1.49 nicm 171: setblocking(fd, 0);
1.1 nicm 172:
173: c = xcalloc(1, sizeof *c);
1.141 nicm 174: c->references = 1;
1.162 nicm 175: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 176:
1.10 nicm 177: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 178: fatal("gettimeofday failed");
1.11 nicm 179: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 180:
1.164 nicm 181: c->environ = environ_create();
1.1 nicm 182:
1.146 nicm 183: c->fd = -1;
1.165 nicm 184: c->cwd = NULL;
1.145 nicm 185:
1.194 nicm 186: TAILQ_INIT(&c->queue);
1.94 nicm 187:
1.116 nicm 188: c->stdin_data = evbuffer_new();
1.263 nicm 189: if (c->stdin_data == NULL)
190: fatalx("out of memory");
1.116 nicm 191: c->stdout_data = evbuffer_new();
1.263 nicm 192: if (c->stdout_data == NULL)
193: fatalx("out of memory");
1.116 nicm 194: c->stderr_data = evbuffer_new();
1.263 nicm 195: if (c->stderr_data == NULL)
196: fatalx("out of memory");
1.33 nicm 197:
1.1 nicm 198: c->tty.fd = -1;
199: c->title = NULL;
200:
201: c->session = NULL;
1.45 nicm 202: c->last_session = NULL;
1.261 nicm 203:
1.1 nicm 204: c->tty.sx = 80;
205: c->tty.sy = 24;
206:
1.271 nicm 207: status_init(c);
1.1 nicm 208:
209: c->message_string = NULL;
1.136 nicm 210: TAILQ_INIT(&c->message_log);
1.1 nicm 211:
212: c->prompt_string = NULL;
213: c->prompt_buffer = NULL;
214: c->prompt_index = 0;
215:
1.93 nicm 216: c->flags |= CLIENT_FOCUSED;
217:
1.132 nicm 218: c->keytable = key_bindings_get_table("root", 1);
219: c->keytable->references++;
220:
1.17 nicm 221: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 222: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 223:
1.135 nicm 224: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 225: log_debug("new client %p", c);
1.246 nicm 226: return (c);
1.72 nicm 227: }
228:
229: /* Open client terminal if needed. */
230: int
1.119 nicm 231: server_client_open(struct client *c, char **cause)
1.72 nicm 232: {
1.75 nicm 233: if (c->flags & CLIENT_CONTROL)
234: return (0);
1.120 nicm 235:
236: if (strcmp(c->ttyname, "/dev/tty") == 0) {
237: *cause = xstrdup("can't use /dev/tty");
238: return (-1);
239: }
1.75 nicm 240:
1.72 nicm 241: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 242: *cause = xstrdup("not a terminal");
1.72 nicm 243: return (-1);
244: }
245:
1.119 nicm 246: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 247: return (-1);
248:
249: return (0);
1.1 nicm 250: }
251:
252: /* Lost a client. */
253: void
254: server_client_lost(struct client *c)
255: {
1.136 nicm 256: struct message_entry *msg, *msg1;
1.1 nicm 257:
1.141 nicm 258: c->flags |= CLIENT_DEAD;
259:
1.214 nicm 260: server_client_clear_identify(c, NULL);
1.141 nicm 261: status_prompt_clear(c);
262: status_message_clear(c);
263:
264: if (c->stdin_callback != NULL)
265: c->stdin_callback(c, 1, c->stdin_callback_data);
266:
1.135 nicm 267: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 268: log_debug("lost client %p", c);
1.1 nicm 269:
270: /*
271: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
272: * and tty_free might close an unrelated fd.
273: */
274: if (c->flags & CLIENT_TERMINAL)
275: tty_free(&c->tty);
1.109 nicm 276: free(c->ttyname);
277: free(c->term);
1.1 nicm 278:
1.113 nicm 279: evbuffer_free(c->stdin_data);
280: evbuffer_free(c->stdout_data);
1.97 nicm 281: if (c->stderr_data != c->stdout_data)
1.126 nicm 282: evbuffer_free(c->stderr_data);
1.33 nicm 283:
1.270 nicm 284: status_free(c);
1.1 nicm 285:
1.77 nicm 286: free(c->title);
1.165 nicm 287: free((void *)c->cwd);
1.1 nicm 288:
1.17 nicm 289: evtimer_del(&c->repeat_timer);
1.192 nicm 290: evtimer_del(&c->click_timer);
1.17 nicm 291:
1.132 nicm 292: key_bindings_unref_table(c->keytable);
293:
1.69 nicm 294: if (event_initialized(&c->identify_timer))
295: evtimer_del(&c->identify_timer);
1.15 nicm 296:
1.77 nicm 297: free(c->message_string);
1.116 nicm 298: if (event_initialized(&c->message_timer))
1.69 nicm 299: evtimer_del(&c->message_timer);
1.136 nicm 300: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 301: free(msg->msg);
1.136 nicm 302: TAILQ_REMOVE(&c->message_log, msg, entry);
303: free(msg);
1.21 nicm 304: }
1.1 nicm 305:
1.259 nicm 306: free(c->prompt_saved);
1.77 nicm 307: free(c->prompt_string);
308: free(c->prompt_buffer);
1.61 nicm 309:
1.228 nicm 310: format_lost_client(c);
1.164 nicm 311: environ_free(c->environ);
1.1 nicm 312:
1.162 nicm 313: proc_remove_peer(c->peer);
314: c->peer = NULL;
1.13 nicm 315:
1.142 nicm 316: server_client_unref(c);
1.71 nicm 317:
318: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 319:
320: recalculate_sizes();
1.41 nicm 321: server_check_unattached();
1.19 nicm 322: server_update_socket();
1.141 nicm 323: }
324:
325: /* Remove reference from a client. */
326: void
1.142 nicm 327: server_client_unref(struct client *c)
1.141 nicm 328: {
1.157 nicm 329: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 330:
331: c->references--;
332: if (c->references == 0)
333: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
334: }
335:
336: /* Free dead client. */
1.190 nicm 337: static void
1.170 nicm 338: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 339: {
340: struct client *c = arg;
341:
1.157 nicm 342: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 343:
1.194 nicm 344: if (!TAILQ_EMPTY(&c->queue))
345: fatalx("queue not empty");
346:
1.216 nicm 347: if (c->references == 0) {
348: free((void *)c->name);
1.141 nicm 349: free(c);
1.216 nicm 350: }
1.9 nicm 351: }
352:
1.220 nicm 353: /* Suspend a client. */
354: void
355: server_client_suspend(struct client *c)
356: {
1.232 nicm 357: struct session *s = c->session;
1.220 nicm 358:
359: if (s == NULL || (c->flags & CLIENT_DETACHING))
360: return;
361:
362: tty_stop_tty(&c->tty);
363: c->flags |= CLIENT_SUSPENDED;
364: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
365: }
366:
1.174 nicm 367: /* Detach a client. */
368: void
369: server_client_detach(struct client *c, enum msgtype msgtype)
370: {
1.232 nicm 371: struct session *s = c->session;
1.174 nicm 372:
1.220 nicm 373: if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174 nicm 374: return;
375:
1.220 nicm 376: c->flags |= CLIENT_DETACHING;
1.196 nicm 377: notify_client("client-detached", c);
1.240 nicm 378: proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
1.207 nicm 379: }
380:
1.208 nicm 381: /* Execute command to replace a client. */
1.207 nicm 382: void
383: server_client_exec(struct client *c, const char *cmd)
384: {
385: struct session *s = c->session;
1.208 nicm 386: char *msg;
387: const char *shell;
1.207 nicm 388: size_t cmdsize, shellsize;
389:
390: if (*cmd == '\0')
391: return;
392: cmdsize = strlen(cmd) + 1;
393:
394: if (s != NULL)
395: shell = options_get_string(s->options, "default-shell");
396: else
397: shell = options_get_string(global_s_options, "default-shell");
398: shellsize = strlen(shell) + 1;
399:
400: msg = xmalloc(cmdsize + shellsize);
401: memcpy(msg, cmd, cmdsize);
402: memcpy(msg + cmdsize, shell, shellsize);
403:
404: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
405: free(msg);
1.174 nicm 406: }
407:
1.66 nicm 408: /* Check for mouse keys. */
1.190 nicm 409: static key_code
1.131 nicm 410: server_client_check_mouse(struct client *c)
1.66 nicm 411: {
1.192 nicm 412: struct session *s = c->session;
413: struct mouse_event *m = &c->tty.mouse;
1.272 nicm 414: struct winlink *wl;
1.192 nicm 415: struct window_pane *wp;
1.261 nicm 416: u_int x, y, b, sx, sy, px, py;
1.192 nicm 417: int flag;
418: key_code key;
419: struct timeval tv;
1.272 nicm 420: struct style_range *sr;
1.209 nicm 421: enum { NOTYPE, MOVE, DOWN, UP, DRAG, WHEEL, DOUBLE, TRIPLE } type;
1.274 ! nicm 422: enum { NOWHERE, PANE, STATUS, STATUS_LEFT, STATUS_RIGHT, STATUS_DEFAULT, BORDER } where;
1.209 nicm 423:
424: type = NOTYPE;
425: where = NOWHERE;
1.131 nicm 426:
1.261 nicm 427: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
428: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 429:
430: /* What type of event is this? */
1.209 nicm 431: if ((m->sgr_type != ' ' &&
432: MOUSE_DRAG(m->sgr_b) &&
433: MOUSE_BUTTONS(m->sgr_b) == 3) ||
434: (m->sgr_type == ' ' &&
435: MOUSE_DRAG(m->b) &&
436: MOUSE_BUTTONS(m->b) == 3 &&
437: MOUSE_BUTTONS(m->lb) == 3)) {
438: type = MOVE;
439: x = m->x, y = m->y, b = 0;
440: log_debug("move at %u,%u", x, y);
441: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 442: type = DRAG;
443: if (c->tty.mouse_drag_flag) {
444: x = m->x, y = m->y, b = m->b;
445: log_debug("drag update at %u,%u", x, y);
446: } else {
1.261 nicm 447: x = m->lx - m->ox, y = m->ly - m->oy, b = m->lb;
1.131 nicm 448: log_debug("drag start at %u,%u", x, y);
449: }
450: } else if (MOUSE_WHEEL(m->b)) {
451: type = WHEEL;
452: x = m->x, y = m->y, b = m->b;
453: log_debug("wheel at %u,%u", x, y);
1.200 nicm 454: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 455: type = UP;
456: x = m->x, y = m->y, b = m->lb;
457: log_debug("up at %u,%u", x, y);
458: } else {
1.192 nicm 459: if (c->flags & CLIENT_DOUBLECLICK) {
460: evtimer_del(&c->click_timer);
461: c->flags &= ~CLIENT_DOUBLECLICK;
462: if (m->b == c->click_button) {
463: type = DOUBLE;
464: x = m->x, y = m->y, b = m->b;
465: log_debug("double-click at %u,%u", x, y);
466: flag = CLIENT_TRIPLECLICK;
467: goto add_timer;
468: }
469: } else if (c->flags & CLIENT_TRIPLECLICK) {
470: evtimer_del(&c->click_timer);
471: c->flags &= ~CLIENT_TRIPLECLICK;
472: if (m->b == c->click_button) {
473: type = TRIPLE;
474: x = m->x, y = m->y, b = m->b;
475: log_debug("triple-click at %u,%u", x, y);
476: goto have_event;
477: }
478: }
479:
1.131 nicm 480: type = DOWN;
481: x = m->x, y = m->y, b = m->b;
482: log_debug("down at %u,%u", x, y);
1.192 nicm 483: flag = CLIENT_DOUBLECLICK;
484:
485: add_timer:
486: if (KEYC_CLICK_TIMEOUT != 0) {
487: c->flags |= flag;
488: c->click_button = m->b;
489:
490: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
491: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
492: evtimer_del(&c->click_timer);
493: evtimer_add(&c->click_timer, &tv);
494: }
1.131 nicm 495: }
1.192 nicm 496:
497: have_event:
1.131 nicm 498: if (type == NOTYPE)
1.177 nicm 499: return (KEYC_UNKNOWN);
1.131 nicm 500:
1.258 nicm 501: /* Save the session. */
1.131 nicm 502: m->s = s->id;
1.258 nicm 503: m->w = -1;
1.131 nicm 504:
505: /* Is this on the status line? */
506: m->statusat = status_at_line(c);
1.272 nicm 507: if (m->statusat != -1 &&
508: y >= (u_int)m->statusat &&
1.273 nicm 509: y < m->statusat + status_line_size(c)) {
1.272 nicm 510: sr = status_get_range(c, x, y - m->statusat);
1.274 ! nicm 511: if (sr == NULL) {
! 512: where = STATUS_DEFAULT;
! 513: } else {
! 514: switch (sr->type) {
! 515: case STYLE_RANGE_NONE:
1.273 nicm 516: return (KEYC_UNKNOWN);
1.274 ! nicm 517: case STYLE_RANGE_LEFT:
! 518: where = STATUS_LEFT;
! 519: break;
! 520: case STYLE_RANGE_RIGHT:
! 521: where = STATUS_RIGHT;
! 522: break;
! 523: case STYLE_RANGE_WINDOW:
! 524: wl = winlink_find_by_index(&s->windows, sr->argument);
! 525: if (wl == NULL)
! 526: return (KEYC_UNKNOWN);
! 527: m->w = wl->window->id;
1.273 nicm 528:
1.274 ! nicm 529: where = STATUS;
! 530: break;
! 531: }
1.258 nicm 532: }
533: }
1.131 nicm 534:
535: /* Not on status line. Adjust position and check for border or pane. */
536: if (where == NOWHERE) {
1.261 nicm 537: px = x;
1.131 nicm 538: if (m->statusat == 0 && y > 0)
1.261 nicm 539: py = y - 1;
1.131 nicm 540: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 541: py = m->statusat - 1;
542: else
543: py = y;
544:
545: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
546: log_debug("mouse window @%u at %u,%u (%ux%u)",
547: s->curw->window->id, m->ox, m->oy, sx, sy);
548: if (px > sx || py > sy)
549: return (KEYC_UNKNOWN);
550: px = px + m->ox;
551: py = py + m->oy;
552: m->x = x + m->ox;
553: m->y = y + m->oy;
1.131 nicm 554:
1.260 nicm 555: /* Try the pane borders if not zoomed. */
556: if (~s->curw->window->flags & WINDOW_ZOOMED) {
557: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 558: if ((wp->xoff + wp->sx == px &&
559: wp->yoff <= 1 + py &&
560: wp->yoff + wp->sy >= py) ||
561: (wp->yoff + wp->sy == py &&
562: wp->xoff <= 1 + px &&
563: wp->xoff + wp->sx >= px))
1.260 nicm 564: break;
565: }
566: if (wp != NULL)
567: where = BORDER;
1.131 nicm 568: }
1.260 nicm 569:
570: /* Otherwise try inside the pane. */
571: if (where == NOWHERE) {
1.261 nicm 572: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 573: if (wp != NULL)
1.131 nicm 574: where = PANE;
575: }
1.260 nicm 576:
1.131 nicm 577: if (where == NOWHERE)
1.177 nicm 578: return (KEYC_UNKNOWN);
1.260 nicm 579: if (where == PANE)
580: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
581: else if (where == BORDER)
582: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 583: m->wp = wp->id;
584: m->w = wp->window->id;
585: } else
586: m->wp = -1;
587:
588: /* Stop dragging if needed. */
1.200 nicm 589: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 590: if (c->tty.mouse_drag_release != NULL)
591: c->tty.mouse_drag_release(c, m);
592:
593: c->tty.mouse_drag_update = NULL;
594: c->tty.mouse_drag_release = NULL;
595:
1.182 nicm 596: /*
1.183 nicm 597: * End a mouse drag by passing a MouseDragEnd key corresponding
598: * to the button that started the drag.
1.182 nicm 599: */
600: switch (c->tty.mouse_drag_flag) {
601: case 1:
602: if (where == PANE)
1.183 nicm 603: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 604: if (where == STATUS)
1.183 nicm 605: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 606: if (where == STATUS_LEFT)
607: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
608: if (where == STATUS_RIGHT)
609: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 ! nicm 610: if (where == STATUS_DEFAULT)
! 611: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 612: if (where == BORDER)
1.183 nicm 613: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 614: break;
615: case 2:
616: if (where == PANE)
1.183 nicm 617: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 618: if (where == STATUS)
1.183 nicm 619: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 620: if (where == STATUS_LEFT)
621: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
622: if (where == STATUS_RIGHT)
623: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 ! nicm 624: if (where == STATUS_DEFAULT)
! 625: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 626: if (where == BORDER)
1.183 nicm 627: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 628: break;
629: case 3:
630: if (where == PANE)
1.183 nicm 631: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 632: if (where == STATUS)
1.183 nicm 633: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 634: if (where == STATUS_LEFT)
635: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
636: if (where == STATUS_RIGHT)
637: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 ! nicm 638: if (where == STATUS_DEFAULT)
! 639: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 640: if (where == BORDER)
1.183 nicm 641: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 642: break;
643: default:
644: key = KEYC_MOUSE;
645: break;
646: }
1.131 nicm 647: c->tty.mouse_drag_flag = 0;
1.182 nicm 648:
649: return (key);
1.131 nicm 650: }
651:
652: /* Convert to a key binding. */
1.177 nicm 653: key = KEYC_UNKNOWN;
1.131 nicm 654: switch (type) {
655: case NOTYPE:
656: break;
1.209 nicm 657: case MOVE:
658: if (where == PANE)
659: key = KEYC_MOUSEMOVE_PANE;
660: if (where == STATUS)
661: key = KEYC_MOUSEMOVE_STATUS;
1.274 ! nicm 662: if (where == STATUS_LEFT)
! 663: key = KEYC_MOUSEMOVE_STATUS_LEFT;
! 664: if (where == STATUS_RIGHT)
! 665: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
! 666: if (where == STATUS_DEFAULT)
! 667: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 668: if (where == BORDER)
669: key = KEYC_MOUSEMOVE_BORDER;
670: break;
1.131 nicm 671: case DRAG:
1.204 nicm 672: if (c->tty.mouse_drag_update != NULL)
673: key = KEYC_DRAGGING;
674: else {
1.131 nicm 675: switch (MOUSE_BUTTONS(b)) {
676: case 0:
677: if (where == PANE)
678: key = KEYC_MOUSEDRAG1_PANE;
679: if (where == STATUS)
680: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 681: if (where == STATUS_LEFT)
682: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
683: if (where == STATUS_RIGHT)
684: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 ! nicm 685: if (where == STATUS_DEFAULT)
! 686: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 687: if (where == BORDER)
688: key = KEYC_MOUSEDRAG1_BORDER;
689: break;
690: case 1:
691: if (where == PANE)
692: key = KEYC_MOUSEDRAG2_PANE;
693: if (where == STATUS)
694: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 695: if (where == STATUS_LEFT)
696: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
697: if (where == STATUS_RIGHT)
698: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 ! nicm 699: if (where == STATUS_DEFAULT)
! 700: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 701: if (where == BORDER)
702: key = KEYC_MOUSEDRAG2_BORDER;
703: break;
704: case 2:
705: if (where == PANE)
706: key = KEYC_MOUSEDRAG3_PANE;
707: if (where == STATUS)
708: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 709: if (where == STATUS_LEFT)
710: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
711: if (where == STATUS_RIGHT)
712: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 ! nicm 713: if (where == STATUS_DEFAULT)
! 714: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 715: if (where == BORDER)
716: key = KEYC_MOUSEDRAG3_BORDER;
717: break;
718: }
719: }
1.66 nicm 720:
1.182 nicm 721: /*
722: * Begin a drag by setting the flag to a non-zero value that
723: * corresponds to the mouse button in use.
724: */
725: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 726: break;
727: case WHEEL:
728: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
729: if (where == PANE)
730: key = KEYC_WHEELUP_PANE;
731: if (where == STATUS)
732: key = KEYC_WHEELUP_STATUS;
1.258 nicm 733: if (where == STATUS_LEFT)
734: key = KEYC_WHEELUP_STATUS_LEFT;
735: if (where == STATUS_RIGHT)
736: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 ! nicm 737: if (where == STATUS_DEFAULT)
! 738: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 739: if (where == BORDER)
740: key = KEYC_WHEELUP_BORDER;
741: } else {
742: if (where == PANE)
743: key = KEYC_WHEELDOWN_PANE;
744: if (where == STATUS)
745: key = KEYC_WHEELDOWN_STATUS;
1.274 ! nicm 746: if (where == STATUS_LEFT)
! 747: key = KEYC_WHEELDOWN_STATUS_LEFT;
! 748: if (where == STATUS_RIGHT)
! 749: key = KEYC_WHEELDOWN_STATUS_RIGHT;
! 750: if (where == STATUS_DEFAULT)
! 751: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 752: if (where == BORDER)
753: key = KEYC_WHEELDOWN_BORDER;
754: }
755: break;
756: case UP:
757: switch (MOUSE_BUTTONS(b)) {
758: case 0:
759: if (where == PANE)
760: key = KEYC_MOUSEUP1_PANE;
761: if (where == STATUS)
762: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 763: if (where == STATUS_LEFT)
764: key = KEYC_MOUSEUP1_STATUS_LEFT;
765: if (where == STATUS_RIGHT)
766: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 ! nicm 767: if (where == STATUS_DEFAULT)
! 768: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 769: if (where == BORDER)
770: key = KEYC_MOUSEUP1_BORDER;
771: break;
772: case 1:
773: if (where == PANE)
774: key = KEYC_MOUSEUP2_PANE;
775: if (where == STATUS)
776: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 777: if (where == STATUS_LEFT)
778: key = KEYC_MOUSEUP2_STATUS_LEFT;
779: if (where == STATUS_RIGHT)
780: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 ! nicm 781: if (where == STATUS_DEFAULT)
! 782: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 783: if (where == BORDER)
784: key = KEYC_MOUSEUP2_BORDER;
785: break;
786: case 2:
787: if (where == PANE)
788: key = KEYC_MOUSEUP3_PANE;
789: if (where == STATUS)
790: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 791: if (where == STATUS_LEFT)
792: key = KEYC_MOUSEUP3_STATUS_LEFT;
793: if (where == STATUS_RIGHT)
794: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 ! nicm 795: if (where == STATUS_DEFAULT)
! 796: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 797: if (where == BORDER)
798: key = KEYC_MOUSEUP3_BORDER;
799: break;
800: }
801: break;
802: case DOWN:
803: switch (MOUSE_BUTTONS(b)) {
804: case 0:
805: if (where == PANE)
806: key = KEYC_MOUSEDOWN1_PANE;
807: if (where == STATUS)
808: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 809: if (where == STATUS_LEFT)
810: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
811: if (where == STATUS_RIGHT)
812: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 ! nicm 813: if (where == STATUS_DEFAULT)
! 814: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 815: if (where == BORDER)
816: key = KEYC_MOUSEDOWN1_BORDER;
817: break;
818: case 1:
819: if (where == PANE)
820: key = KEYC_MOUSEDOWN2_PANE;
821: if (where == STATUS)
822: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 823: if (where == STATUS_LEFT)
824: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
825: if (where == STATUS_RIGHT)
826: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 ! nicm 827: if (where == STATUS_DEFAULT)
! 828: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 829: if (where == BORDER)
830: key = KEYC_MOUSEDOWN2_BORDER;
831: break;
832: case 2:
833: if (where == PANE)
834: key = KEYC_MOUSEDOWN3_PANE;
835: if (where == STATUS)
836: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 837: if (where == STATUS_LEFT)
838: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
839: if (where == STATUS_RIGHT)
840: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 ! nicm 841: if (where == STATUS_DEFAULT)
! 842: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 843: if (where == BORDER)
844: key = KEYC_MOUSEDOWN3_BORDER;
845: break;
1.66 nicm 846: }
1.131 nicm 847: break;
1.192 nicm 848: case DOUBLE:
849: switch (MOUSE_BUTTONS(b)) {
850: case 0:
851: if (where == PANE)
852: key = KEYC_DOUBLECLICK1_PANE;
853: if (where == STATUS)
854: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 855: if (where == STATUS_LEFT)
856: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
857: if (where == STATUS_RIGHT)
858: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 ! nicm 859: if (where == STATUS_DEFAULT)
! 860: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 861: if (where == BORDER)
862: key = KEYC_DOUBLECLICK1_BORDER;
863: break;
864: case 1:
865: if (where == PANE)
866: key = KEYC_DOUBLECLICK2_PANE;
867: if (where == STATUS)
868: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 869: if (where == STATUS_LEFT)
870: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
871: if (where == STATUS_RIGHT)
872: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 ! nicm 873: if (where == STATUS_DEFAULT)
! 874: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 875: if (where == BORDER)
876: key = KEYC_DOUBLECLICK2_BORDER;
877: break;
878: case 2:
879: if (where == PANE)
880: key = KEYC_DOUBLECLICK3_PANE;
881: if (where == STATUS)
882: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 883: if (where == STATUS_LEFT)
884: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
885: if (where == STATUS_RIGHT)
886: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 ! nicm 887: if (where == STATUS_DEFAULT)
! 888: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 889: if (where == BORDER)
890: key = KEYC_DOUBLECLICK3_BORDER;
891: break;
892: }
893: break;
894: case TRIPLE:
895: switch (MOUSE_BUTTONS(b)) {
896: case 0:
897: if (where == PANE)
898: key = KEYC_TRIPLECLICK1_PANE;
899: if (where == STATUS)
900: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 901: if (where == STATUS_LEFT)
902: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
903: if (where == STATUS_RIGHT)
904: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 ! nicm 905: if (where == STATUS_DEFAULT)
! 906: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 907: if (where == BORDER)
908: key = KEYC_TRIPLECLICK1_BORDER;
909: break;
910: case 1:
911: if (where == PANE)
912: key = KEYC_TRIPLECLICK2_PANE;
913: if (where == STATUS)
914: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 915: if (where == STATUS_LEFT)
916: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
917: if (where == STATUS_RIGHT)
918: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 ! nicm 919: if (where == STATUS_DEFAULT)
! 920: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 921: if (where == BORDER)
922: key = KEYC_TRIPLECLICK2_BORDER;
923: break;
924: case 2:
925: if (where == PANE)
926: key = KEYC_TRIPLECLICK3_PANE;
927: if (where == STATUS)
928: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 929: if (where == STATUS_LEFT)
930: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
931: if (where == STATUS_RIGHT)
932: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 ! nicm 933: if (where == STATUS_DEFAULT)
! 934: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 935: if (where == BORDER)
936: key = KEYC_TRIPLECLICK3_BORDER;
937: break;
938: }
939: break;
1.66 nicm 940: }
1.177 nicm 941: if (key == KEYC_UNKNOWN)
942: return (KEYC_UNKNOWN);
1.66 nicm 943:
1.131 nicm 944: /* Apply modifiers if any. */
945: if (b & MOUSE_MASK_META)
946: key |= KEYC_ESCAPE;
947: if (b & MOUSE_MASK_CTRL)
948: key |= KEYC_CTRL;
949: if (b & MOUSE_MASK_SHIFT)
950: key |= KEYC_SHIFT;
1.66 nicm 951:
1.131 nicm 952: return (key);
1.66 nicm 953: }
954:
1.82 nicm 955: /* Is this fast enough to probably be a paste? */
1.190 nicm 956: static int
1.82 nicm 957: server_client_assume_paste(struct session *s)
958: {
959: struct timeval tv;
1.84 nicm 960: int t;
1.82 nicm 961:
1.163 nicm 962: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 963: return (0);
1.82 nicm 964:
965: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 966: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
967: log_debug("session %s pasting (flag %d)", s->name,
968: !!(s->flags & SESSION_PASTING));
969: if (s->flags & SESSION_PASTING)
970: return (1);
971: s->flags |= SESSION_PASTING;
972: return (0);
973: }
974: log_debug("session %s not pasting", s->name);
975: s->flags &= ~SESSION_PASTING;
1.83 nicm 976: return (0);
1.82 nicm 977: }
978:
1.18 nicm 979: /* Handle data key input from client. */
980: void
1.168 nicm 981: server_client_handle_key(struct client *c, key_code key)
1.18 nicm 982: {
1.267 nicm 983: struct mouse_event *m = &c->tty.mouse;
984: struct session *s = c->session;
985: struct winlink *wl;
986: struct window *w;
987: struct window_pane *wp;
988: struct window_mode_entry *wme;
989: struct timeval tv;
990: struct key_table *table, *first;
991: struct key_binding *bd;
992: int xtimeout, flags;
993: struct cmd_find_state fs;
994: key_code key0;
1.18 nicm 995:
996: /* Check the client is good to accept input. */
1.132 nicm 997: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.18 nicm 998: return;
1.264 nicm 999: wl = s->curw;
1000: w = wl->window;
1.18 nicm 1001:
1002: /* Update the activity timer. */
1003: if (gettimeofday(&c->activity_time, NULL) != 0)
1004: fatal("gettimeofday failed");
1.149 nicm 1005: session_update_activity(s, &c->activity_time);
1.18 nicm 1006:
1.132 nicm 1007: /* Number keys jump to pane in identify mode. */
1.25 nicm 1008: if (c->flags & CLIENT_IDENTIFY && key >= '0' && key <= '9') {
1.30 nicm 1009: if (c->flags & CLIENT_READONLY)
1010: return;
1.95 nicm 1011: window_unzoom(w);
1.18 nicm 1012: wp = window_pane_at_index(w, key - '0');
1.214 nicm 1013: server_client_clear_identify(c, wp);
1.18 nicm 1014: return;
1015: }
1016:
1017: /* Handle status line. */
1.30 nicm 1018: if (!(c->flags & CLIENT_READONLY)) {
1019: status_message_clear(c);
1.214 nicm 1020: server_client_clear_identify(c, NULL);
1.30 nicm 1021: }
1.18 nicm 1022: if (c->prompt_string != NULL) {
1.193 nicm 1023: if (c->flags & CLIENT_READONLY)
1024: return;
1025: if (status_prompt_key(c, key) == 0)
1026: return;
1.18 nicm 1027: }
1028:
1029: /* Check for mouse keys. */
1.204 nicm 1030: m->valid = 0;
1.18 nicm 1031: if (key == KEYC_MOUSE) {
1.30 nicm 1032: if (c->flags & CLIENT_READONLY)
1033: return;
1.131 nicm 1034: key = server_client_check_mouse(c);
1.177 nicm 1035: if (key == KEYC_UNKNOWN)
1.131 nicm 1036: return;
1037:
1038: m->valid = 1;
1039: m->key = key;
1.203 nicm 1040:
1041: /*
1.204 nicm 1042: * Mouse drag is in progress, so fire the callback (now that
1043: * the mouse event is valid).
1.203 nicm 1044: */
1.204 nicm 1045: if (key == KEYC_DRAGGING) {
1046: c->tty.mouse_drag_update(c, m);
1.203 nicm 1047: return;
1.204 nicm 1048: }
1.131 nicm 1049: } else
1050: m->valid = 0;
1.18 nicm 1051:
1.202 nicm 1052: /* Find affected pane. */
1.243 nicm 1053: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
1054: cmd_find_from_session(&fs, s, 0);
1.227 nicm 1055: wp = fs.wp;
1.202 nicm 1056:
1057: /* Forward mouse keys if disabled. */
1.206 nicm 1058: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1059: goto forward_key;
1.202 nicm 1060:
1.132 nicm 1061: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1062: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1063: goto forward_key;
1.18 nicm 1064:
1.191 nicm 1065: /*
1066: * Work out the current key table. If the pane is in a mode, use
1067: * the mode table instead of the default key table.
1068: */
1.223 nicm 1069: if (server_client_is_default_key_table(c, c->keytable) &&
1070: wp != NULL &&
1.267 nicm 1071: (wme = TAILQ_FIRST(&wp->modes)) != NULL &&
1072: wme->mode->key_table != NULL)
1073: table = key_bindings_get_table(wme->mode->key_table(wme), 1);
1.223 nicm 1074: else
1.191 nicm 1075: table = c->keytable;
1.223 nicm 1076: first = table;
1.191 nicm 1077:
1.253 nicm 1078: table_changed:
1.205 nicm 1079: /*
1080: * The prefix always takes precedence and forces a switch to the prefix
1081: * table, unless we are already there.
1082: */
1.252 nicm 1083: key0 = (key & ~KEYC_XTERM);
1.239 nicm 1084: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1085: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1086: strcmp(table->name, "prefix") != 0) {
1087: server_client_set_key_table(c, "prefix");
1088: server_status_client(c);
1089: return;
1090: }
1.238 nicm 1091: flags = c->flags;
1.205 nicm 1092:
1.262 nicm 1093: try_again:
1.223 nicm 1094: /* Log key table. */
1095: if (wp == NULL)
1096: log_debug("key table %s (no pane)", table->name);
1097: else
1098: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1099: if (c->flags & CLIENT_REPEAT)
1100: log_debug("currently repeating");
1.223 nicm 1101:
1.132 nicm 1102: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1103: bd = key_bindings_get(table, key0);
1.132 nicm 1104: if (bd != NULL) {
1105: /*
1106: * Key was matched in this table. If currently repeating but a
1107: * non-repeating binding was found, stop repeating and try
1108: * again in the root table.
1109: */
1.222 nicm 1110: if ((c->flags & CLIENT_REPEAT) &&
1111: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1112: log_debug("found in key table %s (not repeating)",
1113: table->name);
1.178 nicm 1114: server_client_set_key_table(c, NULL);
1.262 nicm 1115: first = table = c->keytable;
1.132 nicm 1116: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1117: server_status_client(c);
1.253 nicm 1118: goto table_changed;
1.18 nicm 1119: }
1.223 nicm 1120: log_debug("found in key table %s", table->name);
1.82 nicm 1121:
1.132 nicm 1122: /*
1123: * Take a reference to this table to make sure the key binding
1124: * doesn't disappear.
1125: */
1126: table->references++;
1127:
1128: /*
1129: * If this is a repeating key, start the timer. Otherwise reset
1130: * the client back to the root table.
1131: */
1.163 nicm 1132: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1133: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1134: c->flags |= CLIENT_REPEAT;
1135:
1136: tv.tv_sec = xtimeout / 1000;
1137: tv.tv_usec = (xtimeout % 1000) * 1000L;
1138: evtimer_del(&c->repeat_timer);
1139: evtimer_add(&c->repeat_timer, &tv);
1140: } else {
1.18 nicm 1141: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1142: server_client_set_key_table(c, NULL);
1.18 nicm 1143: }
1.132 nicm 1144: server_status_client(c);
1145:
1.227 nicm 1146: /* Execute the key binding. */
1.231 nicm 1147: key_bindings_dispatch(bd, NULL, c, m, &fs);
1.132 nicm 1148: key_bindings_unref_table(table);
1.18 nicm 1149: return;
1150: }
1151:
1.132 nicm 1152: /*
1.253 nicm 1153: * No match, try the ANY key.
1154: */
1155: if (key0 != KEYC_ANY) {
1156: key0 = KEYC_ANY;
1157: goto try_again;
1158: }
1159:
1160: /*
1.223 nicm 1161: * No match in this table. If not in the root table or if repeating,
1162: * switch the client back to the root table and try again.
1.132 nicm 1163: */
1.223 nicm 1164: log_debug("not found in key table %s", table->name);
1165: if (!server_client_is_default_key_table(c, table) ||
1166: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1167: log_debug("trying in root table");
1.178 nicm 1168: server_client_set_key_table(c, NULL);
1.262 nicm 1169: table = c->keytable;
1170: if (c->flags & CLIENT_REPEAT)
1171: first = table;
1.18 nicm 1172: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1173: server_status_client(c);
1.253 nicm 1174: goto table_changed;
1.18 nicm 1175: }
1176:
1.223 nicm 1177: /*
1178: * No match in the root table either. If this wasn't the first table
1179: * tried, don't pass the key to the pane.
1180: */
1.238 nicm 1181: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1182: server_client_set_key_table(c, NULL);
1.132 nicm 1183: server_status_client(c);
1.161 nicm 1184: return;
1185: }
1186:
1.253 nicm 1187: forward_key:
1.161 nicm 1188: if (c->flags & CLIENT_READONLY)
1189: return;
1190: if (wp != NULL)
1.264 nicm 1191: window_pane_key(wp, c, s, wl, key, m);
1.18 nicm 1192: }
1193:
1.2 nicm 1194: /* Client functions that need to happen every loop. */
1195: void
1196: server_client_loop(void)
1197: {
1198: struct client *c;
1199: struct window *w;
1200: struct window_pane *wp;
1.197 nicm 1201: int focus;
1.2 nicm 1202:
1.135 nicm 1203: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1204: server_client_check_exit(c);
1205: if (c->session != NULL) {
1206: server_client_check_redraw(c);
1207: server_client_reset_state(c);
1208: }
1.2 nicm 1209: }
1210:
1211: /*
1212: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1213: * their flags now. Also check pane focus and resize.
1.2 nicm 1214: */
1.197 nicm 1215: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1216: RB_FOREACH(w, windows, &windows) {
1.91 nicm 1217: TAILQ_FOREACH(wp, &w->panes, entry) {
1.101 nicm 1218: if (wp->fd != -1) {
1.197 nicm 1219: if (focus)
1220: server_client_check_focus(wp);
1.101 nicm 1221: server_client_check_resize(wp);
1222: }
1.2 nicm 1223: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1224: }
1.150 nicm 1225: check_window_name(w);
1.2 nicm 1226: }
1.92 nicm 1227: }
1228:
1.237 nicm 1229: /* Check if we need to force a resize. */
1230: static int
1231: server_client_resize_force(struct window_pane *wp)
1232: {
1233: struct timeval tv = { .tv_usec = 100000 };
1234: struct winsize ws;
1235:
1236: /*
1237: * If we are resizing to the same size as when we entered the loop
1238: * (that is, to the same size the application currently thinks it is),
1239: * tmux may have gone through several resizes internally and thrown
1240: * away parts of the screen. So we need the application to actually
1241: * redraw even though its final size has not changed.
1242: */
1243:
1244: if (wp->flags & PANE_RESIZEFORCE) {
1245: wp->flags &= ~PANE_RESIZEFORCE;
1246: return (0);
1247: }
1248:
1249: if (wp->sx != wp->osx ||
1250: wp->sy != wp->osy ||
1251: wp->sx <= 1 ||
1252: wp->sy <= 1)
1253: return (0);
1254:
1255: memset(&ws, 0, sizeof ws);
1256: ws.ws_col = wp->sx;
1257: ws.ws_row = wp->sy - 1;
1.244 nicm 1258: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.237 nicm 1259: fatal("ioctl failed");
1260: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1261:
1262: evtimer_add(&wp->resize_timer, &tv);
1263: wp->flags |= PANE_RESIZEFORCE;
1264: return (1);
1265: }
1266:
1.211 nicm 1267: /* Resize timer event. */
1.188 nicm 1268: static void
1269: server_client_resize_event(__unused int fd, __unused short events, void *data)
1.92 nicm 1270: {
1.188 nicm 1271: struct window_pane *wp = data;
1272: struct winsize ws;
1273:
1274: evtimer_del(&wp->resize_timer);
1.92 nicm 1275:
1.101 nicm 1276: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 1277: return;
1.237 nicm 1278: if (server_client_resize_force(wp))
1279: return;
1.235 nicm 1280:
1.92 nicm 1281: memset(&ws, 0, sizeof ws);
1282: ws.ws_col = wp->sx;
1283: ws.ws_row = wp->sy;
1.244 nicm 1284: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 1285: fatal("ioctl failed");
1.235 nicm 1286: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.92 nicm 1287:
1288: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1289:
1290: wp->osx = wp->sx;
1291: wp->osy = wp->sy;
1.188 nicm 1292: }
1293:
1294: /* Check if pane should be resized. */
1.190 nicm 1295: static void
1.188 nicm 1296: server_client_check_resize(struct window_pane *wp)
1297: {
1298: struct timeval tv = { .tv_usec = 250000 };
1299:
1300: if (!(wp->flags & PANE_RESIZE))
1301: return;
1.235 nicm 1302: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.188 nicm 1303:
1304: if (!event_initialized(&wp->resize_timer))
1305: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1306:
1307: /*
1308: * The first resize should happen immediately, so if the timer is not
1309: * running, do it now.
1310: */
1311: if (!evtimer_pending(&wp->resize_timer, NULL))
1312: server_client_resize_event(-1, 0, wp);
1313:
1314: /*
1315: * If the pane is in the alternate screen, let the timer expire and
1316: * resize to give the application a chance to redraw. If not, keep
1317: * pushing the timer back.
1318: */
1319: if (wp->saved_grid != NULL && evtimer_pending(&wp->resize_timer, NULL))
1320: return;
1321: evtimer_del(&wp->resize_timer);
1322: evtimer_add(&wp->resize_timer, &tv);
1.91 nicm 1323: }
1324:
1325: /* Check whether pane should be focused. */
1.190 nicm 1326: static void
1.91 nicm 1327: server_client_check_focus(struct window_pane *wp)
1328: {
1.93 nicm 1329: struct client *c;
1.102 nicm 1330: int push;
1331:
1332: /* Do we need to push the focus state? */
1333: push = wp->flags & PANE_FOCUSPUSH;
1334: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1335:
1336: /* If we're not the active pane in our window, we're not focused. */
1337: if (wp->window->active != wp)
1338: goto not_focused;
1339:
1340: /* If we're in a mode, we're not focused. */
1341: if (wp->screen != &wp->base)
1342: goto not_focused;
1343:
1344: /*
1.93 nicm 1345: * If our window is the current window in any focused clients with an
1346: * attached session, we're focused.
1.91 nicm 1347: */
1.135 nicm 1348: TAILQ_FOREACH(c, &clients, entry) {
1349: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1350: continue;
1.255 nicm 1351: if (c->session->attached == 0)
1.93 nicm 1352: continue;
1353:
1354: if (c->session->curw->window == wp->window)
1.91 nicm 1355: goto focused;
1356: }
1357:
1358: not_focused:
1.251 nicm 1359: if (push || (wp->flags & PANE_FOCUSED)) {
1360: if (wp->base.mode & MODE_FOCUSON)
1361: bufferevent_write(wp->event, "\033[O", 3);
1362: notify_pane("pane-focus-out", wp);
1363: }
1.91 nicm 1364: wp->flags &= ~PANE_FOCUSED;
1365: return;
1366:
1367: focused:
1.251 nicm 1368: if (push || !(wp->flags & PANE_FOCUSED)) {
1369: if (wp->base.mode & MODE_FOCUSON)
1370: bufferevent_write(wp->event, "\033[I", 3);
1371: notify_pane("pane-focus-in", wp);
1372: }
1.91 nicm 1373: wp->flags |= PANE_FOCUSED;
1.2 nicm 1374: }
1375:
1.18 nicm 1376: /*
1377: * Update cursor position and mode settings. The scroll region and attributes
1378: * are cleared when idle (waiting for an event) as this is the most likely time
1379: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1380: * compromise between excessive resets and likelihood of an interrupt.
1381: *
1382: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1383: * things that are already in their default state.
1384: */
1.190 nicm 1385: static void
1.18 nicm 1386: server_client_reset_state(struct client *c)
1.1 nicm 1387: {
1.18 nicm 1388: struct window *w = c->session->curw->window;
1.209 nicm 1389: struct window_pane *wp = w->active, *loop;
1.18 nicm 1390: struct screen *s = wp->screen;
1.163 nicm 1391: struct options *oo = c->session->options;
1.261 nicm 1392: int mode, cursor = 0;
1393: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1394:
1.186 nicm 1395: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1396: return;
1.261 nicm 1397: mode = s->mode;
1.86 nicm 1398:
1.199 nicm 1399: tty_region_off(&c->tty);
1400: tty_margin_off(&c->tty);
1.1 nicm 1401:
1.261 nicm 1402: /* Move cursor to pane cursor and offset. */
1403: cursor = 0;
1404: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1405: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1406: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1407: cursor = 1;
1408:
1409: cx = wp->xoff + s->cx - ox;
1410: cy = wp->yoff + s->cy - oy;
1411:
1412: if (status_at_line(c) == 0)
1413: cy += status_line_size(c);
1414: }
1415: if (!cursor)
1416: mode &= ~MODE_CURSOR;
1417: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1418:
1.50 nicm 1419: /*
1.131 nicm 1420: * Set mouse mode if requested. To support dragging, always use button
1421: * mode.
1.57 nicm 1422: */
1.209 nicm 1423: if (options_get_number(oo, "mouse")) {
1424: mode &= ~ALL_MOUSE_MODES;
1425: TAILQ_FOREACH(loop, &w->panes, entry) {
1426: if (loop->screen->mode & MODE_MOUSE_ALL)
1427: mode |= MODE_MOUSE_ALL;
1428: }
1429: if (~mode & MODE_MOUSE_ALL)
1430: mode |= MODE_MOUSE_BUTTON;
1431: }
1.215 nicm 1432:
1433: /* Clear bracketed paste mode if at the prompt. */
1434: if (c->prompt_string != NULL)
1435: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1436:
1437: /* Set the terminal mode and reset attributes. */
1.59 nicm 1438: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1439: tty_reset(&c->tty);
1.17 nicm 1440: }
1441:
1442: /* Repeat time callback. */
1.190 nicm 1443: static void
1.170 nicm 1444: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1445: {
1446: struct client *c = data;
1447:
1.85 nicm 1448: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1449: server_client_set_key_table(c, NULL);
1.132 nicm 1450: c->flags &= ~CLIENT_REPEAT;
1451: server_status_client(c);
1.85 nicm 1452: }
1.192 nicm 1453: }
1454:
1455: /* Double-click callback. */
1456: static void
1457: server_client_click_timer(__unused int fd, __unused short events, void *data)
1458: {
1459: struct client *c = data;
1460:
1461: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1462: }
1463:
1.36 nicm 1464: /* Check if client should be exited. */
1.190 nicm 1465: static void
1.36 nicm 1466: server_client_check_exit(struct client *c)
1467: {
1468: if (!(c->flags & CLIENT_EXIT))
1469: return;
1470:
1.73 nicm 1471: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
1472: return;
1473: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 1474: return;
1.73 nicm 1475: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 1476: return;
1477:
1.249 nicm 1478: if (c->flags & CLIENT_ATTACHED)
1479: notify_client("client-detached", c);
1.162 nicm 1480: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.36 nicm 1481: c->flags &= ~CLIENT_EXIT;
1.38 nicm 1482: }
1483:
1.218 nicm 1484: /* Redraw timer callback. */
1485: static void
1486: server_client_redraw_timer(__unused int fd, __unused short events,
1487: __unused void* data)
1488: {
1489: log_debug("redraw timer fired");
1490: }
1491:
1.1 nicm 1492: /* Check for client redraws. */
1.190 nicm 1493: static void
1.1 nicm 1494: server_client_check_redraw(struct client *c)
1495: {
1496: struct session *s = c->session;
1.137 nicm 1497: struct tty *tty = &c->tty;
1.1 nicm 1498: struct window_pane *wp;
1.256 nicm 1499: int needed, flags;
1.218 nicm 1500: struct timeval tv = { .tv_usec = 1000 };
1501: static struct event ev;
1502: size_t left;
1.1 nicm 1503:
1.86 nicm 1504: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1505: return;
1.257 nicm 1506: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1507: log_debug("%s: redraw%s%s%s", c->name,
1508: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1509: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1510: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "");
1511: }
1.218 nicm 1512:
1513: /*
1514: * If there is outstanding data, defer the redraw until it has been
1515: * consumed. We can just add a timer to get out of the event loop and
1516: * end up back here.
1517: */
1518: needed = 0;
1.256 nicm 1519: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1520: needed = 1;
1521: else {
1522: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1523: if (wp->flags & PANE_REDRAW) {
1524: needed = 1;
1525: break;
1526: }
1527: }
1528: }
1.241 nicm 1529: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1530: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1531: if (!evtimer_initialized(&ev))
1532: evtimer_set(&ev, server_client_redraw_timer, NULL);
1533: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1534: log_debug("redraw timer started");
1535: evtimer_add(&ev, &tv);
1.241 nicm 1536: }
1.218 nicm 1537:
1.241 nicm 1538: /*
1539: * We may have got here for a single pane redraw, but force a
1540: * full redraw next time in case other panes have been updated.
1541: */
1.256 nicm 1542: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1543: return;
1544: } else if (needed)
1.218 nicm 1545: log_debug("%s: redraw needed", c->name);
1.79 nicm 1546:
1.219 nicm 1547: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1548: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1549:
1.256 nicm 1550: if (~c->flags & CLIENT_REDRAWWINDOW) {
1551: /*
1552: * If not redrawing the entire window, check whether each pane
1553: * needs to be redrawn.
1554: */
1.1 nicm 1555: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1556: if (wp->flags & PANE_REDRAW) {
1557: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1558: screen_redraw_pane(c, wp);
1.137 nicm 1559: }
1.1 nicm 1560: }
1561: }
1562:
1.256 nicm 1563: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1564: if (options_get_number(s->options, "set-titles"))
1565: server_client_set_title(c);
1566: screen_redraw_screen(c);
1567: }
1.1 nicm 1568:
1.137 nicm 1569: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1570: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1571:
1.256 nicm 1572: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1573:
1574: if (needed) {
1575: /*
1576: * We would have deferred the redraw unless the output buffer
1577: * was empty, so we can record how many bytes the redraw
1578: * generated.
1579: */
1580: c->redraw = EVBUFFER_LENGTH(tty->out);
1581: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1582: }
1.1 nicm 1583: }
1584:
1585: /* Set client title. */
1.190 nicm 1586: static void
1.1 nicm 1587: server_client_set_title(struct client *c)
1588: {
1.128 nicm 1589: struct session *s = c->session;
1590: const char *template;
1591: char *title;
1592: struct format_tree *ft;
1.1 nicm 1593:
1.163 nicm 1594: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1595:
1.228 nicm 1596: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1597: format_defaults(ft, c, NULL, NULL, NULL);
1598:
1.269 nicm 1599: title = format_expand_time(ft, template);
1.1 nicm 1600: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1601: free(c->title);
1.1 nicm 1602: c->title = xstrdup(title);
1603: tty_set_title(&c->tty, c->title);
1604: }
1.77 nicm 1605: free(title);
1.128 nicm 1606:
1607: format_free(ft);
1.1 nicm 1608: }
1609:
1610: /* Dispatch message from client. */
1.190 nicm 1611: static void
1.162 nicm 1612: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1613: {
1.162 nicm 1614: struct client *c = arg;
1.73 nicm 1615: struct msg_stdin_data stdindata;
1.108 nicm 1616: const char *data;
1.162 nicm 1617: ssize_t datalen;
1.149 nicm 1618: struct session *s;
1.1 nicm 1619:
1.162 nicm 1620: if (c->flags & CLIENT_DEAD)
1621: return;
1622:
1623: if (imsg == NULL) {
1624: server_client_lost(c);
1625: return;
1626: }
1.1 nicm 1627:
1.162 nicm 1628: data = imsg->data;
1629: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1630:
1.162 nicm 1631: switch (imsg->hdr.type) {
1632: case MSG_IDENTIFY_FLAGS:
1633: case MSG_IDENTIFY_TERM:
1634: case MSG_IDENTIFY_TTYNAME:
1635: case MSG_IDENTIFY_CWD:
1636: case MSG_IDENTIFY_STDIN:
1637: case MSG_IDENTIFY_ENVIRON:
1638: case MSG_IDENTIFY_CLIENTPID:
1639: case MSG_IDENTIFY_DONE:
1640: server_client_dispatch_identify(c, imsg);
1641: break;
1642: case MSG_COMMAND:
1643: server_client_dispatch_command(c, imsg);
1644: break;
1645: case MSG_STDIN:
1646: if (datalen != sizeof stdindata)
1647: fatalx("bad MSG_STDIN size");
1648: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1649:
1.162 nicm 1650: if (c->stdin_callback == NULL)
1.33 nicm 1651: break;
1.162 nicm 1652: if (stdindata.size <= 0)
1653: c->stdin_closed = 1;
1654: else {
1655: evbuffer_add(c->stdin_data, stdindata.data,
1656: stdindata.size);
1657: }
1658: c->stdin_callback(c, c->stdin_closed,
1659: c->stdin_callback_data);
1660: break;
1661: case MSG_RESIZE:
1662: if (datalen != 0)
1663: fatalx("bad MSG_RESIZE size");
1.1 nicm 1664:
1.162 nicm 1665: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1666: break;
1.236 nicm 1667: tty_resize(&c->tty);
1668: recalculate_sizes();
1669: server_redraw_client(c);
1.174 nicm 1670: if (c->session != NULL)
1.196 nicm 1671: notify_client("client-resized", c);
1.162 nicm 1672: break;
1673: case MSG_EXITING:
1674: if (datalen != 0)
1675: fatalx("bad MSG_EXITING size");
1.1 nicm 1676:
1.162 nicm 1677: c->session = NULL;
1678: tty_close(&c->tty);
1679: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1680: break;
1681: case MSG_WAKEUP:
1682: case MSG_UNLOCK:
1683: if (datalen != 0)
1684: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1685:
1.162 nicm 1686: if (!(c->flags & CLIENT_SUSPENDED))
1687: break;
1688: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1689:
1.162 nicm 1690: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1691: break;
1.162 nicm 1692: s = c->session;
1.1 nicm 1693:
1.162 nicm 1694: if (gettimeofday(&c->activity_time, NULL) != 0)
1695: fatal("gettimeofday failed");
1696:
1697: tty_start_tty(&c->tty);
1698: server_redraw_client(c);
1699: recalculate_sizes();
1.184 nicm 1700:
1701: if (s != NULL)
1702: session_update_activity(s, &c->activity_time);
1.162 nicm 1703: break;
1704: case MSG_SHELL:
1705: if (datalen != 0)
1706: fatalx("bad MSG_SHELL size");
1.1 nicm 1707:
1.162 nicm 1708: server_client_dispatch_shell(c);
1709: break;
1.1 nicm 1710: }
1711: }
1712:
1.194 nicm 1713: /* Callback when command is done. */
1714: static enum cmd_retval
1.195 nicm 1715: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1716: {
1.195 nicm 1717: struct client *c = item->client;
1.194 nicm 1718:
1719: if (~c->flags & CLIENT_ATTACHED)
1720: c->flags |= CLIENT_EXIT;
1721: return (CMD_RETURN_NORMAL);
1722: }
1723:
1724: /* Show an error message. */
1725: static enum cmd_retval
1.195 nicm 1726: server_client_command_error(struct cmdq_item *item, void *data)
1.194 nicm 1727: {
1728: char *error = data;
1729:
1.195 nicm 1730: cmdq_error(item, "%s", error);
1.194 nicm 1731: free(error);
1732:
1733: return (CMD_RETURN_NORMAL);
1734: }
1735:
1.1 nicm 1736: /* Handle command message. */
1.190 nicm 1737: static void
1.162 nicm 1738: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1739: {
1.108 nicm 1740: struct msg_command_data data;
1741: char *buf;
1742: size_t len;
1743: struct cmd_list *cmdlist = NULL;
1744: int argc;
1745: char **argv, *cause;
1.246 nicm 1746:
1747: if (c->flags & CLIENT_EXIT)
1748: return;
1.108 nicm 1749:
1750: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1751: fatalx("bad MSG_COMMAND size");
1752: memcpy(&data, imsg->data, sizeof data);
1753:
1.124 nicm 1754: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1755: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1756: if (len > 0 && buf[len - 1] != '\0')
1757: fatalx("bad MSG_COMMAND string");
1758:
1759: argc = data.argc;
1760: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1761: cause = xstrdup("command too long");
1.1 nicm 1762: goto error;
1763: }
1764:
1765: if (argc == 0) {
1766: argc = 1;
1767: argv = xcalloc(1, sizeof *argv);
1768: *argv = xstrdup("new-session");
1769: }
1770:
1.94 nicm 1771: if ((cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause)) == NULL) {
1.1 nicm 1772: cmd_free_argv(argc, argv);
1773: goto error;
1774: }
1775: cmd_free_argv(argc, argv);
1776:
1.194 nicm 1777: cmdq_append(c, cmdq_get_command(cmdlist, NULL, NULL, 0));
1778: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.1 nicm 1779: cmd_list_free(cmdlist);
1780: return;
1781:
1782: error:
1.194 nicm 1783: cmdq_append(c, cmdq_get_callback(server_client_command_error, cause));
1784:
1.1 nicm 1785: if (cmdlist != NULL)
1786: cmd_list_free(cmdlist);
1.88 nicm 1787:
1.36 nicm 1788: c->flags |= CLIENT_EXIT;
1.1 nicm 1789: }
1790:
1791: /* Handle identify message. */
1.190 nicm 1792: static void
1.162 nicm 1793: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1794: {
1.165 nicm 1795: const char *data, *home;
1.232 nicm 1796: size_t datalen;
1.109 nicm 1797: int flags;
1.216 nicm 1798: char *name;
1.109 nicm 1799:
1800: if (c->flags & CLIENT_IDENTIFIED)
1801: fatalx("out-of-order identify message");
1802:
1803: data = imsg->data;
1804: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1805:
1806: switch (imsg->hdr.type) {
1807: case MSG_IDENTIFY_FLAGS:
1808: if (datalen != sizeof flags)
1809: fatalx("bad MSG_IDENTIFY_FLAGS size");
1810: memcpy(&flags, data, sizeof flags);
1811: c->flags |= flags;
1.158 nicm 1812: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1813: break;
1814: case MSG_IDENTIFY_TERM:
1.110 nicm 1815: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1816: fatalx("bad MSG_IDENTIFY_TERM string");
1817: c->term = xstrdup(data);
1.158 nicm 1818: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1819: break;
1820: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1821: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1822: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1823: c->ttyname = xstrdup(data);
1.158 nicm 1824: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1825: break;
1826: case MSG_IDENTIFY_CWD:
1.155 nicm 1827: if (datalen == 0 || data[datalen - 1] != '\0')
1828: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1829: if (access(data, X_OK) == 0)
1830: c->cwd = xstrdup(data);
1831: else if ((home = find_home()) != NULL)
1832: c->cwd = xstrdup(home);
1833: else
1834: c->cwd = xstrdup("/");
1.158 nicm 1835: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1836: break;
1837: case MSG_IDENTIFY_STDIN:
1838: if (datalen != 0)
1839: fatalx("bad MSG_IDENTIFY_STDIN size");
1840: c->fd = imsg->fd;
1.158 nicm 1841: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1842: break;
1843: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1844: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1845: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1846: if (strchr(data, '=') != NULL)
1.164 nicm 1847: environ_put(c->environ, data);
1.158 nicm 1848: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1849: break;
1850: case MSG_IDENTIFY_CLIENTPID:
1851: if (datalen != sizeof c->pid)
1852: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1853: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1854: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1855: break;
1856: default:
1857: break;
1858: }
1859:
1860: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1861: return;
1862: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1863:
1.216 nicm 1864: if (*c->ttyname != '\0')
1865: name = xstrdup(c->ttyname);
1866: else
1867: xasprintf(&name, "client-%ld", (long)c->pid);
1868: c->name = name;
1869: log_debug("client %p name is %s", c, c->name);
1870:
1.109 nicm 1871: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1872: c->stdin_callback = control_callback;
1.109 nicm 1873:
1.97 nicm 1874: evbuffer_free(c->stderr_data);
1875: c->stderr_data = c->stdout_data;
1.109 nicm 1876:
1877: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1878: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.162 nicm 1879: proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
1.75 nicm 1880:
1881: c->tty.fd = -1;
1882:
1.109 nicm 1883: close(c->fd);
1884: c->fd = -1;
1885:
1.75 nicm 1886: return;
1887: }
1.1 nicm 1888:
1.109 nicm 1889: if (c->fd == -1)
1.104 nicm 1890: return;
1.145 nicm 1891: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1.109 nicm 1892: close(c->fd);
1893: c->fd = -1;
1.80 nicm 1894: return;
1895: }
1.109 nicm 1896: if (c->flags & CLIENT_UTF8)
1.1 nicm 1897: c->tty.flags |= TTY_UTF8;
1.109 nicm 1898: if (c->flags & CLIENT_256COLOURS)
1.1 nicm 1899: c->tty.term_flags |= TERM_256COLOURS;
1900:
1901: tty_resize(&c->tty);
1902:
1.109 nicm 1903: if (!(c->flags & CLIENT_CONTROL))
1.86 nicm 1904: c->flags |= CLIENT_TERMINAL;
1.1 nicm 1905: }
1906:
1907: /* Handle shell message. */
1.190 nicm 1908: static void
1.162 nicm 1909: server_client_dispatch_shell(struct client *c)
1.1 nicm 1910: {
1.107 nicm 1911: const char *shell;
1.25 nicm 1912:
1.163 nicm 1913: shell = options_get_string(global_s_options, "default-shell");
1.1 nicm 1914: if (*shell == '\0' || areshell(shell))
1915: shell = _PATH_BSHELL;
1.240 nicm 1916: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 1917:
1.162 nicm 1918: proc_kill_peer(c->peer);
1.169 nicm 1919: }
1920:
1921: /* Event callback to push more stdout data if any left. */
1922: static void
1.170 nicm 1923: server_client_stdout_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1924: {
1925: struct client *c = arg;
1926:
1927: if (~c->flags & CLIENT_DEAD)
1928: server_client_push_stdout(c);
1929: server_client_unref(c);
1930: }
1931:
1932: /* Push stdout to client if possible. */
1933: void
1934: server_client_push_stdout(struct client *c)
1935: {
1936: struct msg_stdout_data data;
1.232 nicm 1937: size_t sent, left;
1.169 nicm 1938:
1939: left = EVBUFFER_LENGTH(c->stdout_data);
1940: while (left != 0) {
1941: sent = left;
1942: if (sent > sizeof data.data)
1943: sent = sizeof data.data;
1944: memcpy(data.data, EVBUFFER_DATA(c->stdout_data), sent);
1945: data.size = sent;
1946:
1947: if (proc_send(c->peer, MSG_STDOUT, -1, &data, sizeof data) != 0)
1948: break;
1949: evbuffer_drain(c->stdout_data, sent);
1950:
1951: left = EVBUFFER_LENGTH(c->stdout_data);
1952: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1953: sent, left);
1954: }
1955: if (left != 0) {
1956: c->references++;
1957: event_once(-1, EV_TIMEOUT, server_client_stdout_cb, c, NULL);
1958: log_debug("%s: client %p, queued", __func__, c);
1959: }
1960: }
1961:
1962: /* Event callback to push more stderr data if any left. */
1963: static void
1.170 nicm 1964: server_client_stderr_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1965: {
1966: struct client *c = arg;
1967:
1968: if (~c->flags & CLIENT_DEAD)
1969: server_client_push_stderr(c);
1970: server_client_unref(c);
1971: }
1972:
1973: /* Push stderr to client if possible. */
1974: void
1975: server_client_push_stderr(struct client *c)
1976: {
1977: struct msg_stderr_data data;
1.232 nicm 1978: size_t sent, left;
1.169 nicm 1979:
1980: if (c->stderr_data == c->stdout_data) {
1981: server_client_push_stdout(c);
1982: return;
1983: }
1984:
1985: left = EVBUFFER_LENGTH(c->stderr_data);
1986: while (left != 0) {
1987: sent = left;
1988: if (sent > sizeof data.data)
1989: sent = sizeof data.data;
1990: memcpy(data.data, EVBUFFER_DATA(c->stderr_data), sent);
1991: data.size = sent;
1992:
1993: if (proc_send(c->peer, MSG_STDERR, -1, &data, sizeof data) != 0)
1994: break;
1995: evbuffer_drain(c->stderr_data, sent);
1996:
1997: left = EVBUFFER_LENGTH(c->stderr_data);
1998: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1999: sent, left);
2000: }
2001: if (left != 0) {
2002: c->references++;
2003: event_once(-1, EV_TIMEOUT, server_client_stderr_cb, c, NULL);
2004: log_debug("%s: client %p, queued", __func__, c);
1.212 nicm 2005: }
2006: }
2007:
2008: /* Add to client message log. */
2009: void
2010: server_client_add_message(struct client *c, const char *fmt, ...)
2011: {
2012: struct message_entry *msg, *msg1;
2013: char *s;
2014: va_list ap;
2015: u_int limit;
2016:
2017: va_start(ap, fmt);
2018: xvasprintf(&s, fmt, ap);
2019: va_end(ap);
2020:
1.216 nicm 2021: log_debug("message %s (client %p)", s, c);
1.212 nicm 2022:
2023: msg = xcalloc(1, sizeof *msg);
2024: msg->msg_time = time(NULL);
2025: msg->msg_num = c->message_next++;
2026: msg->msg = s;
2027: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
2028:
2029: limit = options_get_number(global_options, "message-limit");
2030: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
2031: if (msg->msg_num + limit >= c->message_next)
2032: break;
2033: free(msg->msg);
2034: TAILQ_REMOVE(&c->message_log, msg, entry);
2035: free(msg);
1.169 nicm 2036: }
1.213 nicm 2037: }
2038:
2039: /* Get client working directory. */
2040: const char *
1.250 nicm 2041: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2042: {
1.250 nicm 2043: const char *home;
1.213 nicm 2044:
1.265 nicm 2045: if (!cfg_finished && cfg_client != NULL)
2046: return (cfg_client->cwd);
1.213 nicm 2047: if (c != NULL && c->session == NULL && c->cwd != NULL)
2048: return (c->cwd);
1.250 nicm 2049: if (s != NULL && s->cwd != NULL)
2050: return (s->cwd);
1.213 nicm 2051: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2052: return (s->cwd);
1.250 nicm 2053: if ((home = find_home()) != NULL)
2054: return (home);
2055: return ("/");
1.213 nicm 2056: }
2057:
2058: /* Resolve an absolute path or relative to client working directory. */
2059: char *
2060: server_client_get_path(struct client *c, const char *file)
2061: {
2062: char *path, resolved[PATH_MAX];
2063:
2064: if (*file == '/')
2065: path = xstrdup(file);
2066: else
1.250 nicm 2067: xasprintf(&path, "%s/%s", server_client_get_cwd(c, NULL), file);
1.213 nicm 2068: if (realpath(path, resolved) == NULL)
2069: return (path);
2070: free(path);
2071: return (xstrdup(resolved));
1.1 nicm 2072: }
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