Annotation of src/usr.bin/tmux/server-client.c, Revision 1.292
1.292 ! nicm 1: /* $OpenBSD: server-client.c,v 1.291 2019/07/02 20:09:19 nicm Exp $ */
1.1 nicm 2:
3: /*
1.181 nicm 4: * Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
1.92 nicm 20: #include <sys/ioctl.h>
1.162 nicm 21: #include <sys/uio.h>
1.1 nicm 22:
1.114 benno 23: #include <errno.h>
1.12 nicm 24: #include <event.h>
1.1 nicm 25: #include <fcntl.h>
1.162 nicm 26: #include <imsg.h>
1.98 nicm 27: #include <paths.h>
28: #include <stdlib.h>
1.1 nicm 29: #include <string.h>
1.4 nicm 30: #include <time.h>
1.1 nicm 31: #include <unistd.h>
32:
33: #include "tmux.h"
34:
1.190 nicm 35: static void server_client_free(int, short, void *);
36: static void server_client_check_focus(struct window_pane *);
37: static void server_client_check_resize(struct window_pane *);
1.276 nicm 38: static key_code server_client_check_mouse(struct client *, struct key_event *);
1.190 nicm 39: static void server_client_repeat_timer(int, short, void *);
1.192 nicm 40: static void server_client_click_timer(int, short, void *);
1.190 nicm 41: static void server_client_check_exit(struct client *);
42: static void server_client_check_redraw(struct client *);
43: static void server_client_set_title(struct client *);
44: static void server_client_reset_state(struct client *);
45: static int server_client_assume_paste(struct session *);
1.281 nicm 46: static void server_client_clear_overlay(struct client *);
1.190 nicm 47:
48: static void server_client_dispatch(struct imsg *, void *);
49: static void server_client_dispatch_command(struct client *, struct imsg *);
50: static void server_client_dispatch_identify(struct client *, struct imsg *);
51: static void server_client_dispatch_shell(struct client *);
1.233 nicm 52:
53: /* Number of attached clients. */
54: u_int
55: server_client_how_many(void)
56: {
57: struct client *c;
58: u_int n;
59:
60: n = 0;
61: TAILQ_FOREACH(c, &clients, entry) {
62: if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
63: n++;
64: }
65: return (n);
66: }
1.140 nicm 67:
1.281 nicm 68: /* Overlay timer callback. */
1.214 nicm 69: static void
1.281 nicm 70: server_client_overlay_timer(__unused int fd, __unused short events, void *data)
1.214 nicm 71: {
1.281 nicm 72: server_client_clear_overlay(data);
1.214 nicm 73: }
74:
1.281 nicm 75: /* Set an overlay on client. */
1.214 nicm 76: void
1.281 nicm 77: server_client_set_overlay(struct client *c, u_int delay, overlay_draw_cb drawcb,
78: overlay_key_cb keycb, overlay_free_cb freecb, void *data)
1.214 nicm 79: {
80: struct timeval tv;
81:
1.282 nicm 82: if (c->overlay_draw != NULL)
83: server_client_clear_overlay(c);
84:
1.214 nicm 85: tv.tv_sec = delay / 1000;
86: tv.tv_usec = (delay % 1000) * 1000L;
87:
1.281 nicm 88: if (event_initialized(&c->overlay_timer))
89: evtimer_del(&c->overlay_timer);
90: evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
1.242 nicm 91: if (delay != 0)
1.281 nicm 92: evtimer_add(&c->overlay_timer, &tv);
93:
94: c->overlay_draw = drawcb;
95: c->overlay_key = keycb;
96: c->overlay_free = freecb;
97: c->overlay_data = data;
1.214 nicm 98:
99: c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
100: server_redraw_client(c);
101: }
102:
1.281 nicm 103: /* Clear overlay mode on client. */
1.254 nicm 104: static void
1.281 nicm 105: server_client_clear_overlay(struct client *c)
1.214 nicm 106: {
1.281 nicm 107: if (c->overlay_draw == NULL)
1.214 nicm 108: return;
109:
1.281 nicm 110: if (event_initialized(&c->overlay_timer))
111: evtimer_del(&c->overlay_timer);
112:
113: if (c->overlay_free != NULL)
114: c->overlay_free(c);
115:
116: c->overlay_draw = NULL;
117: c->overlay_key = NULL;
1.214 nicm 118:
119: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
120: server_redraw_client(c);
121: }
122:
1.140 nicm 123: /* Check if this client is inside this server. */
124: int
125: server_client_check_nested(struct client *c)
126: {
127: struct environ_entry *envent;
128: struct window_pane *wp;
129:
1.164 nicm 130: envent = environ_find(c->environ, "TMUX");
1.140 nicm 131: if (envent == NULL || *envent->value == '\0')
132: return (0);
133:
134: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 135: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 136: return (1);
137: }
138: return (0);
139: }
1.1 nicm 140:
1.132 nicm 141: /* Set client key table. */
142: void
1.178 nicm 143: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 144: {
1.178 nicm 145: if (name == NULL)
146: name = server_client_get_key_table(c);
147:
1.132 nicm 148: key_bindings_unref_table(c->keytable);
149: c->keytable = key_bindings_get_table(name, 1);
150: c->keytable->references++;
151: }
152:
1.178 nicm 153: /* Get default key table. */
154: const char *
155: server_client_get_key_table(struct client *c)
156: {
157: struct session *s = c->session;
158: const char *name;
159:
160: if (s == NULL)
161: return ("root");
162:
163: name = options_get_string(s->options, "key-table");
164: if (*name == '\0')
165: return ("root");
166: return (name);
167: }
168:
1.223 nicm 169: /* Is this table the default key table? */
170: static int
171: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 172: {
1.223 nicm 173: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 174: }
175:
1.1 nicm 176: /* Create a new client. */
1.246 nicm 177: struct client *
1.1 nicm 178: server_client_create(int fd)
179: {
180: struct client *c;
181:
1.49 nicm 182: setblocking(fd, 0);
1.1 nicm 183:
184: c = xcalloc(1, sizeof *c);
1.141 nicm 185: c->references = 1;
1.162 nicm 186: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 187:
1.10 nicm 188: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 189: fatal("gettimeofday failed");
1.11 nicm 190: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 191:
1.164 nicm 192: c->environ = environ_create();
1.1 nicm 193:
1.146 nicm 194: c->fd = -1;
1.165 nicm 195: c->cwd = NULL;
1.145 nicm 196:
1.194 nicm 197: TAILQ_INIT(&c->queue);
1.94 nicm 198:
1.116 nicm 199: c->stdin_data = evbuffer_new();
1.263 nicm 200: if (c->stdin_data == NULL)
201: fatalx("out of memory");
1.116 nicm 202: c->stdout_data = evbuffer_new();
1.263 nicm 203: if (c->stdout_data == NULL)
204: fatalx("out of memory");
1.116 nicm 205: c->stderr_data = evbuffer_new();
1.263 nicm 206: if (c->stderr_data == NULL)
207: fatalx("out of memory");
1.33 nicm 208:
1.1 nicm 209: c->tty.fd = -1;
210: c->title = NULL;
211:
212: c->session = NULL;
1.45 nicm 213: c->last_session = NULL;
1.261 nicm 214:
1.1 nicm 215: c->tty.sx = 80;
216: c->tty.sy = 24;
217:
1.271 nicm 218: status_init(c);
1.1 nicm 219:
220: c->message_string = NULL;
1.136 nicm 221: TAILQ_INIT(&c->message_log);
1.1 nicm 222:
223: c->prompt_string = NULL;
224: c->prompt_buffer = NULL;
225: c->prompt_index = 0;
226:
1.93 nicm 227: c->flags |= CLIENT_FOCUSED;
228:
1.132 nicm 229: c->keytable = key_bindings_get_table("root", 1);
230: c->keytable->references++;
231:
1.17 nicm 232: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 233: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 234:
1.135 nicm 235: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 236: log_debug("new client %p", c);
1.246 nicm 237: return (c);
1.72 nicm 238: }
239:
240: /* Open client terminal if needed. */
241: int
1.119 nicm 242: server_client_open(struct client *c, char **cause)
1.72 nicm 243: {
1.75 nicm 244: if (c->flags & CLIENT_CONTROL)
245: return (0);
1.120 nicm 246:
247: if (strcmp(c->ttyname, "/dev/tty") == 0) {
248: *cause = xstrdup("can't use /dev/tty");
249: return (-1);
250: }
1.75 nicm 251:
1.72 nicm 252: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 253: *cause = xstrdup("not a terminal");
1.72 nicm 254: return (-1);
255: }
256:
1.119 nicm 257: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 258: return (-1);
259:
260: return (0);
1.1 nicm 261: }
262:
263: /* Lost a client. */
264: void
265: server_client_lost(struct client *c)
266: {
1.136 nicm 267: struct message_entry *msg, *msg1;
1.1 nicm 268:
1.141 nicm 269: c->flags |= CLIENT_DEAD;
270:
1.281 nicm 271: server_client_clear_overlay(c);
1.141 nicm 272: status_prompt_clear(c);
273: status_message_clear(c);
274:
275: if (c->stdin_callback != NULL)
276: c->stdin_callback(c, 1, c->stdin_callback_data);
277:
1.135 nicm 278: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 279: log_debug("lost client %p", c);
1.1 nicm 280:
281: /*
282: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
283: * and tty_free might close an unrelated fd.
284: */
285: if (c->flags & CLIENT_TERMINAL)
286: tty_free(&c->tty);
1.109 nicm 287: free(c->ttyname);
288: free(c->term);
1.1 nicm 289:
1.113 nicm 290: evbuffer_free(c->stdin_data);
291: evbuffer_free(c->stdout_data);
1.97 nicm 292: if (c->stderr_data != c->stdout_data)
1.126 nicm 293: evbuffer_free(c->stderr_data);
1.33 nicm 294:
1.270 nicm 295: status_free(c);
1.1 nicm 296:
1.77 nicm 297: free(c->title);
1.165 nicm 298: free((void *)c->cwd);
1.1 nicm 299:
1.17 nicm 300: evtimer_del(&c->repeat_timer);
1.192 nicm 301: evtimer_del(&c->click_timer);
1.17 nicm 302:
1.132 nicm 303: key_bindings_unref_table(c->keytable);
304:
1.77 nicm 305: free(c->message_string);
1.116 nicm 306: if (event_initialized(&c->message_timer))
1.69 nicm 307: evtimer_del(&c->message_timer);
1.136 nicm 308: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 309: free(msg->msg);
1.136 nicm 310: TAILQ_REMOVE(&c->message_log, msg, entry);
311: free(msg);
1.21 nicm 312: }
1.1 nicm 313:
1.259 nicm 314: free(c->prompt_saved);
1.77 nicm 315: free(c->prompt_string);
316: free(c->prompt_buffer);
1.61 nicm 317:
1.228 nicm 318: format_lost_client(c);
1.164 nicm 319: environ_free(c->environ);
1.1 nicm 320:
1.162 nicm 321: proc_remove_peer(c->peer);
322: c->peer = NULL;
1.13 nicm 323:
1.142 nicm 324: server_client_unref(c);
1.71 nicm 325:
326: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 327:
328: recalculate_sizes();
1.41 nicm 329: server_check_unattached();
1.19 nicm 330: server_update_socket();
1.141 nicm 331: }
332:
333: /* Remove reference from a client. */
334: void
1.142 nicm 335: server_client_unref(struct client *c)
1.141 nicm 336: {
1.157 nicm 337: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 338:
339: c->references--;
340: if (c->references == 0)
341: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
342: }
343:
344: /* Free dead client. */
1.190 nicm 345: static void
1.170 nicm 346: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 347: {
348: struct client *c = arg;
349:
1.157 nicm 350: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 351:
1.194 nicm 352: if (!TAILQ_EMPTY(&c->queue))
353: fatalx("queue not empty");
354:
1.216 nicm 355: if (c->references == 0) {
356: free((void *)c->name);
1.141 nicm 357: free(c);
1.216 nicm 358: }
1.9 nicm 359: }
360:
1.220 nicm 361: /* Suspend a client. */
362: void
363: server_client_suspend(struct client *c)
364: {
1.232 nicm 365: struct session *s = c->session;
1.220 nicm 366:
367: if (s == NULL || (c->flags & CLIENT_DETACHING))
368: return;
369:
370: tty_stop_tty(&c->tty);
371: c->flags |= CLIENT_SUSPENDED;
372: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
373: }
374:
1.174 nicm 375: /* Detach a client. */
376: void
377: server_client_detach(struct client *c, enum msgtype msgtype)
378: {
1.232 nicm 379: struct session *s = c->session;
1.174 nicm 380:
1.220 nicm 381: if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174 nicm 382: return;
383:
1.220 nicm 384: c->flags |= CLIENT_DETACHING;
1.196 nicm 385: notify_client("client-detached", c);
1.240 nicm 386: proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
1.207 nicm 387: }
388:
1.208 nicm 389: /* Execute command to replace a client. */
1.207 nicm 390: void
391: server_client_exec(struct client *c, const char *cmd)
392: {
393: struct session *s = c->session;
1.208 nicm 394: char *msg;
395: const char *shell;
1.207 nicm 396: size_t cmdsize, shellsize;
397:
398: if (*cmd == '\0')
399: return;
400: cmdsize = strlen(cmd) + 1;
401:
402: if (s != NULL)
403: shell = options_get_string(s->options, "default-shell");
404: else
405: shell = options_get_string(global_s_options, "default-shell");
406: shellsize = strlen(shell) + 1;
407:
408: msg = xmalloc(cmdsize + shellsize);
409: memcpy(msg, cmd, cmdsize);
410: memcpy(msg + cmdsize, shell, shellsize);
411:
412: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
413: free(msg);
1.174 nicm 414: }
415:
1.66 nicm 416: /* Check for mouse keys. */
1.190 nicm 417: static key_code
1.276 nicm 418: server_client_check_mouse(struct client *c, struct key_event *event)
1.66 nicm 419: {
1.276 nicm 420: struct mouse_event *m = &event->m;
1.192 nicm 421: struct session *s = c->session;
1.272 nicm 422: struct winlink *wl;
1.192 nicm 423: struct window_pane *wp;
1.261 nicm 424: u_int x, y, b, sx, sy, px, py;
1.192 nicm 425: int flag;
426: key_code key;
427: struct timeval tv;
1.272 nicm 428: struct style_range *sr;
1.283 nicm 429: enum { NOTYPE,
430: MOVE,
431: DOWN,
432: UP,
433: DRAG,
434: WHEEL,
435: DOUBLE,
436: TRIPLE } type = NOTYPE;
1.276 nicm 437: enum { NOWHERE,
438: PANE,
439: STATUS,
440: STATUS_LEFT,
441: STATUS_RIGHT,
442: STATUS_DEFAULT,
1.283 nicm 443: BORDER } where = NOWHERE;
1.131 nicm 444:
1.261 nicm 445: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
446: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 447:
448: /* What type of event is this? */
1.209 nicm 449: if ((m->sgr_type != ' ' &&
450: MOUSE_DRAG(m->sgr_b) &&
451: MOUSE_BUTTONS(m->sgr_b) == 3) ||
452: (m->sgr_type == ' ' &&
453: MOUSE_DRAG(m->b) &&
454: MOUSE_BUTTONS(m->b) == 3 &&
455: MOUSE_BUTTONS(m->lb) == 3)) {
456: type = MOVE;
457: x = m->x, y = m->y, b = 0;
458: log_debug("move at %u,%u", x, y);
459: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 460: type = DRAG;
461: if (c->tty.mouse_drag_flag) {
462: x = m->x, y = m->y, b = m->b;
1.278 nicm 463: if (x == m->lx && y == m->ly)
464: return (KEYC_UNKNOWN);
1.131 nicm 465: log_debug("drag update at %u,%u", x, y);
466: } else {
1.277 nicm 467: x = m->lx, y = m->ly, b = m->lb;
1.131 nicm 468: log_debug("drag start at %u,%u", x, y);
469: }
470: } else if (MOUSE_WHEEL(m->b)) {
471: type = WHEEL;
472: x = m->x, y = m->y, b = m->b;
473: log_debug("wheel at %u,%u", x, y);
1.200 nicm 474: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 475: type = UP;
476: x = m->x, y = m->y, b = m->lb;
477: log_debug("up at %u,%u", x, y);
478: } else {
1.192 nicm 479: if (c->flags & CLIENT_DOUBLECLICK) {
480: evtimer_del(&c->click_timer);
481: c->flags &= ~CLIENT_DOUBLECLICK;
482: if (m->b == c->click_button) {
483: type = DOUBLE;
484: x = m->x, y = m->y, b = m->b;
485: log_debug("double-click at %u,%u", x, y);
486: flag = CLIENT_TRIPLECLICK;
487: goto add_timer;
488: }
489: } else if (c->flags & CLIENT_TRIPLECLICK) {
490: evtimer_del(&c->click_timer);
491: c->flags &= ~CLIENT_TRIPLECLICK;
492: if (m->b == c->click_button) {
493: type = TRIPLE;
494: x = m->x, y = m->y, b = m->b;
495: log_debug("triple-click at %u,%u", x, y);
496: goto have_event;
497: }
498: }
499:
1.131 nicm 500: type = DOWN;
501: x = m->x, y = m->y, b = m->b;
502: log_debug("down at %u,%u", x, y);
1.192 nicm 503: flag = CLIENT_DOUBLECLICK;
504:
505: add_timer:
506: if (KEYC_CLICK_TIMEOUT != 0) {
507: c->flags |= flag;
508: c->click_button = m->b;
509:
510: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
511: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
512: evtimer_del(&c->click_timer);
513: evtimer_add(&c->click_timer, &tv);
514: }
1.131 nicm 515: }
1.192 nicm 516:
517: have_event:
1.131 nicm 518: if (type == NOTYPE)
1.177 nicm 519: return (KEYC_UNKNOWN);
1.131 nicm 520:
1.258 nicm 521: /* Save the session. */
1.131 nicm 522: m->s = s->id;
1.258 nicm 523: m->w = -1;
1.131 nicm 524:
525: /* Is this on the status line? */
526: m->statusat = status_at_line(c);
1.292 ! nicm 527: m->statuslines = status_line_size(c);
1.272 nicm 528: if (m->statusat != -1 &&
529: y >= (u_int)m->statusat &&
1.292 ! nicm 530: y < m->statusat + m->statuslines) {
1.272 nicm 531: sr = status_get_range(c, x, y - m->statusat);
1.274 nicm 532: if (sr == NULL) {
533: where = STATUS_DEFAULT;
534: } else {
535: switch (sr->type) {
536: case STYLE_RANGE_NONE:
1.273 nicm 537: return (KEYC_UNKNOWN);
1.274 nicm 538: case STYLE_RANGE_LEFT:
539: where = STATUS_LEFT;
540: break;
541: case STYLE_RANGE_RIGHT:
542: where = STATUS_RIGHT;
543: break;
544: case STYLE_RANGE_WINDOW:
545: wl = winlink_find_by_index(&s->windows, sr->argument);
546: if (wl == NULL)
547: return (KEYC_UNKNOWN);
548: m->w = wl->window->id;
1.273 nicm 549:
1.274 nicm 550: where = STATUS;
551: break;
552: }
1.258 nicm 553: }
554: }
1.131 nicm 555:
556: /* Not on status line. Adjust position and check for border or pane. */
557: if (where == NOWHERE) {
1.261 nicm 558: px = x;
1.292 ! nicm 559: if (m->statusat == 0 && y >= m->statuslines)
! 560: py = y - m->statuslines;
1.131 nicm 561: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 562: py = m->statusat - 1;
563: else
564: py = y;
565:
566: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
567: log_debug("mouse window @%u at %u,%u (%ux%u)",
568: s->curw->window->id, m->ox, m->oy, sx, sy);
569: if (px > sx || py > sy)
570: return (KEYC_UNKNOWN);
571: px = px + m->ox;
572: py = py + m->oy;
1.131 nicm 573:
1.260 nicm 574: /* Try the pane borders if not zoomed. */
575: if (~s->curw->window->flags & WINDOW_ZOOMED) {
576: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 577: if ((wp->xoff + wp->sx == px &&
578: wp->yoff <= 1 + py &&
579: wp->yoff + wp->sy >= py) ||
580: (wp->yoff + wp->sy == py &&
581: wp->xoff <= 1 + px &&
582: wp->xoff + wp->sx >= px))
1.260 nicm 583: break;
584: }
585: if (wp != NULL)
586: where = BORDER;
1.131 nicm 587: }
1.260 nicm 588:
589: /* Otherwise try inside the pane. */
590: if (where == NOWHERE) {
1.261 nicm 591: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 592: if (wp != NULL)
1.131 nicm 593: where = PANE;
594: }
1.260 nicm 595:
1.131 nicm 596: if (where == NOWHERE)
1.177 nicm 597: return (KEYC_UNKNOWN);
1.260 nicm 598: if (where == PANE)
599: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
600: else if (where == BORDER)
601: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 602: m->wp = wp->id;
603: m->w = wp->window->id;
604: } else
605: m->wp = -1;
606:
607: /* Stop dragging if needed. */
1.200 nicm 608: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 609: if (c->tty.mouse_drag_release != NULL)
610: c->tty.mouse_drag_release(c, m);
611:
612: c->tty.mouse_drag_update = NULL;
613: c->tty.mouse_drag_release = NULL;
614:
1.182 nicm 615: /*
1.183 nicm 616: * End a mouse drag by passing a MouseDragEnd key corresponding
617: * to the button that started the drag.
1.182 nicm 618: */
619: switch (c->tty.mouse_drag_flag) {
620: case 1:
621: if (where == PANE)
1.183 nicm 622: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 623: if (where == STATUS)
1.183 nicm 624: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 625: if (where == STATUS_LEFT)
626: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
627: if (where == STATUS_RIGHT)
628: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.274 nicm 629: if (where == STATUS_DEFAULT)
630: key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
1.182 nicm 631: if (where == BORDER)
1.183 nicm 632: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 633: break;
634: case 2:
635: if (where == PANE)
1.183 nicm 636: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 637: if (where == STATUS)
1.183 nicm 638: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 639: if (where == STATUS_LEFT)
640: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
641: if (where == STATUS_RIGHT)
642: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.274 nicm 643: if (where == STATUS_DEFAULT)
644: key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
1.182 nicm 645: if (where == BORDER)
1.183 nicm 646: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 647: break;
648: case 3:
649: if (where == PANE)
1.183 nicm 650: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 651: if (where == STATUS)
1.183 nicm 652: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 653: if (where == STATUS_LEFT)
654: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
655: if (where == STATUS_RIGHT)
656: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.274 nicm 657: if (where == STATUS_DEFAULT)
658: key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
1.182 nicm 659: if (where == BORDER)
1.183 nicm 660: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 661: break;
662: default:
663: key = KEYC_MOUSE;
664: break;
665: }
1.131 nicm 666: c->tty.mouse_drag_flag = 0;
1.182 nicm 667:
668: return (key);
1.131 nicm 669: }
670:
671: /* Convert to a key binding. */
1.177 nicm 672: key = KEYC_UNKNOWN;
1.131 nicm 673: switch (type) {
674: case NOTYPE:
675: break;
1.209 nicm 676: case MOVE:
677: if (where == PANE)
678: key = KEYC_MOUSEMOVE_PANE;
679: if (where == STATUS)
680: key = KEYC_MOUSEMOVE_STATUS;
1.274 nicm 681: if (where == STATUS_LEFT)
682: key = KEYC_MOUSEMOVE_STATUS_LEFT;
683: if (where == STATUS_RIGHT)
684: key = KEYC_MOUSEMOVE_STATUS_RIGHT;
685: if (where == STATUS_DEFAULT)
686: key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
1.209 nicm 687: if (where == BORDER)
688: key = KEYC_MOUSEMOVE_BORDER;
689: break;
1.131 nicm 690: case DRAG:
1.204 nicm 691: if (c->tty.mouse_drag_update != NULL)
692: key = KEYC_DRAGGING;
693: else {
1.131 nicm 694: switch (MOUSE_BUTTONS(b)) {
695: case 0:
696: if (where == PANE)
697: key = KEYC_MOUSEDRAG1_PANE;
698: if (where == STATUS)
699: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 700: if (where == STATUS_LEFT)
701: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
702: if (where == STATUS_RIGHT)
703: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.274 nicm 704: if (where == STATUS_DEFAULT)
705: key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
1.131 nicm 706: if (where == BORDER)
707: key = KEYC_MOUSEDRAG1_BORDER;
708: break;
709: case 1:
710: if (where == PANE)
711: key = KEYC_MOUSEDRAG2_PANE;
712: if (where == STATUS)
713: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 714: if (where == STATUS_LEFT)
715: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
716: if (where == STATUS_RIGHT)
717: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.274 nicm 718: if (where == STATUS_DEFAULT)
719: key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
1.131 nicm 720: if (where == BORDER)
721: key = KEYC_MOUSEDRAG2_BORDER;
722: break;
723: case 2:
724: if (where == PANE)
725: key = KEYC_MOUSEDRAG3_PANE;
726: if (where == STATUS)
727: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 728: if (where == STATUS_LEFT)
729: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
730: if (where == STATUS_RIGHT)
731: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.274 nicm 732: if (where == STATUS_DEFAULT)
733: key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
1.131 nicm 734: if (where == BORDER)
735: key = KEYC_MOUSEDRAG3_BORDER;
736: break;
737: }
738: }
1.66 nicm 739:
1.182 nicm 740: /*
741: * Begin a drag by setting the flag to a non-zero value that
742: * corresponds to the mouse button in use.
743: */
744: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 745: break;
746: case WHEEL:
747: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
748: if (where == PANE)
749: key = KEYC_WHEELUP_PANE;
750: if (where == STATUS)
751: key = KEYC_WHEELUP_STATUS;
1.258 nicm 752: if (where == STATUS_LEFT)
753: key = KEYC_WHEELUP_STATUS_LEFT;
754: if (where == STATUS_RIGHT)
755: key = KEYC_WHEELUP_STATUS_RIGHT;
1.274 nicm 756: if (where == STATUS_DEFAULT)
757: key = KEYC_WHEELUP_STATUS_DEFAULT;
1.131 nicm 758: if (where == BORDER)
759: key = KEYC_WHEELUP_BORDER;
760: } else {
761: if (where == PANE)
762: key = KEYC_WHEELDOWN_PANE;
763: if (where == STATUS)
764: key = KEYC_WHEELDOWN_STATUS;
1.274 nicm 765: if (where == STATUS_LEFT)
766: key = KEYC_WHEELDOWN_STATUS_LEFT;
767: if (where == STATUS_RIGHT)
768: key = KEYC_WHEELDOWN_STATUS_RIGHT;
769: if (where == STATUS_DEFAULT)
770: key = KEYC_WHEELDOWN_STATUS_DEFAULT;
1.131 nicm 771: if (where == BORDER)
772: key = KEYC_WHEELDOWN_BORDER;
773: }
774: break;
775: case UP:
776: switch (MOUSE_BUTTONS(b)) {
777: case 0:
778: if (where == PANE)
779: key = KEYC_MOUSEUP1_PANE;
780: if (where == STATUS)
781: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 782: if (where == STATUS_LEFT)
783: key = KEYC_MOUSEUP1_STATUS_LEFT;
784: if (where == STATUS_RIGHT)
785: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.274 nicm 786: if (where == STATUS_DEFAULT)
787: key = KEYC_MOUSEUP1_STATUS_DEFAULT;
1.131 nicm 788: if (where == BORDER)
789: key = KEYC_MOUSEUP1_BORDER;
790: break;
791: case 1:
792: if (where == PANE)
793: key = KEYC_MOUSEUP2_PANE;
794: if (where == STATUS)
795: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 796: if (where == STATUS_LEFT)
797: key = KEYC_MOUSEUP2_STATUS_LEFT;
798: if (where == STATUS_RIGHT)
799: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.274 nicm 800: if (where == STATUS_DEFAULT)
801: key = KEYC_MOUSEUP2_STATUS_DEFAULT;
1.131 nicm 802: if (where == BORDER)
803: key = KEYC_MOUSEUP2_BORDER;
804: break;
805: case 2:
806: if (where == PANE)
807: key = KEYC_MOUSEUP3_PANE;
808: if (where == STATUS)
809: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 810: if (where == STATUS_LEFT)
811: key = KEYC_MOUSEUP3_STATUS_LEFT;
812: if (where == STATUS_RIGHT)
813: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.274 nicm 814: if (where == STATUS_DEFAULT)
815: key = KEYC_MOUSEUP3_STATUS_DEFAULT;
1.131 nicm 816: if (where == BORDER)
817: key = KEYC_MOUSEUP3_BORDER;
818: break;
819: }
820: break;
821: case DOWN:
822: switch (MOUSE_BUTTONS(b)) {
823: case 0:
824: if (where == PANE)
825: key = KEYC_MOUSEDOWN1_PANE;
826: if (where == STATUS)
827: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 828: if (where == STATUS_LEFT)
829: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
830: if (where == STATUS_RIGHT)
831: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.274 nicm 832: if (where == STATUS_DEFAULT)
833: key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
1.131 nicm 834: if (where == BORDER)
835: key = KEYC_MOUSEDOWN1_BORDER;
836: break;
837: case 1:
838: if (where == PANE)
839: key = KEYC_MOUSEDOWN2_PANE;
840: if (where == STATUS)
841: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 842: if (where == STATUS_LEFT)
843: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
844: if (where == STATUS_RIGHT)
845: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.274 nicm 846: if (where == STATUS_DEFAULT)
847: key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
1.131 nicm 848: if (where == BORDER)
849: key = KEYC_MOUSEDOWN2_BORDER;
850: break;
851: case 2:
852: if (where == PANE)
853: key = KEYC_MOUSEDOWN3_PANE;
854: if (where == STATUS)
855: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 856: if (where == STATUS_LEFT)
857: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
858: if (where == STATUS_RIGHT)
859: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.274 nicm 860: if (where == STATUS_DEFAULT)
861: key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
1.131 nicm 862: if (where == BORDER)
863: key = KEYC_MOUSEDOWN3_BORDER;
864: break;
1.66 nicm 865: }
1.131 nicm 866: break;
1.192 nicm 867: case DOUBLE:
868: switch (MOUSE_BUTTONS(b)) {
869: case 0:
870: if (where == PANE)
871: key = KEYC_DOUBLECLICK1_PANE;
872: if (where == STATUS)
873: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 874: if (where == STATUS_LEFT)
875: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
876: if (where == STATUS_RIGHT)
877: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.274 nicm 878: if (where == STATUS_DEFAULT)
879: key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
1.192 nicm 880: if (where == BORDER)
881: key = KEYC_DOUBLECLICK1_BORDER;
882: break;
883: case 1:
884: if (where == PANE)
885: key = KEYC_DOUBLECLICK2_PANE;
886: if (where == STATUS)
887: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 888: if (where == STATUS_LEFT)
889: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
890: if (where == STATUS_RIGHT)
891: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.274 nicm 892: if (where == STATUS_DEFAULT)
893: key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
1.192 nicm 894: if (where == BORDER)
895: key = KEYC_DOUBLECLICK2_BORDER;
896: break;
897: case 2:
898: if (where == PANE)
899: key = KEYC_DOUBLECLICK3_PANE;
900: if (where == STATUS)
901: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 902: if (where == STATUS_LEFT)
903: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
904: if (where == STATUS_RIGHT)
905: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.274 nicm 906: if (where == STATUS_DEFAULT)
907: key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
1.192 nicm 908: if (where == BORDER)
909: key = KEYC_DOUBLECLICK3_BORDER;
910: break;
911: }
912: break;
913: case TRIPLE:
914: switch (MOUSE_BUTTONS(b)) {
915: case 0:
916: if (where == PANE)
917: key = KEYC_TRIPLECLICK1_PANE;
918: if (where == STATUS)
919: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 920: if (where == STATUS_LEFT)
921: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
922: if (where == STATUS_RIGHT)
923: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.274 nicm 924: if (where == STATUS_DEFAULT)
925: key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
1.192 nicm 926: if (where == BORDER)
927: key = KEYC_TRIPLECLICK1_BORDER;
928: break;
929: case 1:
930: if (where == PANE)
931: key = KEYC_TRIPLECLICK2_PANE;
932: if (where == STATUS)
933: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 934: if (where == STATUS_LEFT)
935: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
936: if (where == STATUS_RIGHT)
937: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.274 nicm 938: if (where == STATUS_DEFAULT)
939: key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
1.192 nicm 940: if (where == BORDER)
941: key = KEYC_TRIPLECLICK2_BORDER;
942: break;
943: case 2:
944: if (where == PANE)
945: key = KEYC_TRIPLECLICK3_PANE;
946: if (where == STATUS)
947: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 948: if (where == STATUS_LEFT)
949: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
950: if (where == STATUS_RIGHT)
951: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.274 nicm 952: if (where == STATUS_DEFAULT)
953: key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
1.192 nicm 954: if (where == BORDER)
955: key = KEYC_TRIPLECLICK3_BORDER;
956: break;
957: }
958: break;
1.66 nicm 959: }
1.177 nicm 960: if (key == KEYC_UNKNOWN)
961: return (KEYC_UNKNOWN);
1.66 nicm 962:
1.131 nicm 963: /* Apply modifiers if any. */
964: if (b & MOUSE_MASK_META)
965: key |= KEYC_ESCAPE;
966: if (b & MOUSE_MASK_CTRL)
967: key |= KEYC_CTRL;
968: if (b & MOUSE_MASK_SHIFT)
969: key |= KEYC_SHIFT;
1.66 nicm 970:
1.131 nicm 971: return (key);
1.66 nicm 972: }
973:
1.82 nicm 974: /* Is this fast enough to probably be a paste? */
1.190 nicm 975: static int
1.82 nicm 976: server_client_assume_paste(struct session *s)
977: {
978: struct timeval tv;
1.84 nicm 979: int t;
1.82 nicm 980:
1.163 nicm 981: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 982: return (0);
1.82 nicm 983:
984: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 985: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
986: log_debug("session %s pasting (flag %d)", s->name,
987: !!(s->flags & SESSION_PASTING));
988: if (s->flags & SESSION_PASTING)
989: return (1);
990: s->flags |= SESSION_PASTING;
991: return (0);
992: }
993: log_debug("session %s not pasting", s->name);
994: s->flags &= ~SESSION_PASTING;
1.83 nicm 995: return (0);
1.82 nicm 996: }
997:
1.276 nicm 998: /*
999: * Handle data key input from client. This owns and can modify the key event it
1000: * is given and is responsible for freeing it.
1001: */
1.280 nicm 1002: static enum cmd_retval
1.276 nicm 1003: server_client_key_callback(struct cmdq_item *item, void *data)
1.18 nicm 1004: {
1.276 nicm 1005: struct client *c = item->client;
1006: struct key_event *event = data;
1007: key_code key = event->key;
1008: struct mouse_event *m = &event->m;
1.267 nicm 1009: struct session *s = c->session;
1010: struct winlink *wl;
1011: struct window_pane *wp;
1012: struct window_mode_entry *wme;
1013: struct timeval tv;
1014: struct key_table *table, *first;
1015: struct key_binding *bd;
1016: int xtimeout, flags;
1017: struct cmd_find_state fs;
1018: key_code key0;
1.18 nicm 1019:
1020: /* Check the client is good to accept input. */
1.132 nicm 1021: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.276 nicm 1022: goto out;
1.264 nicm 1023: wl = s->curw;
1.18 nicm 1024:
1025: /* Update the activity timer. */
1026: if (gettimeofday(&c->activity_time, NULL) != 0)
1027: fatal("gettimeofday failed");
1.149 nicm 1028: session_update_activity(s, &c->activity_time);
1.18 nicm 1029:
1030: /* Check for mouse keys. */
1.204 nicm 1031: m->valid = 0;
1.18 nicm 1032: if (key == KEYC_MOUSE) {
1.30 nicm 1033: if (c->flags & CLIENT_READONLY)
1.276 nicm 1034: goto out;
1035: key = server_client_check_mouse(c, event);
1.177 nicm 1036: if (key == KEYC_UNKNOWN)
1.276 nicm 1037: goto out;
1.131 nicm 1038:
1039: m->valid = 1;
1040: m->key = key;
1.203 nicm 1041:
1042: /*
1.204 nicm 1043: * Mouse drag is in progress, so fire the callback (now that
1044: * the mouse event is valid).
1.203 nicm 1045: */
1.204 nicm 1046: if (key == KEYC_DRAGGING) {
1047: c->tty.mouse_drag_update(c, m);
1.276 nicm 1048: goto out;
1.204 nicm 1049: }
1.276 nicm 1050: }
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);
1.276 nicm 1089: goto out;
1.205 nicm 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. */
1.276 nicm 1147: key_bindings_dispatch(bd, item, c, m, &fs);
1.132 nicm 1148: key_bindings_unref_table(table);
1.276 nicm 1149: goto out;
1.18 nicm 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);
1.276 nicm 1184: goto out;
1.161 nicm 1185: }
1186:
1.253 nicm 1187: forward_key:
1.161 nicm 1188: if (c->flags & CLIENT_READONLY)
1.276 nicm 1189: goto out;
1.161 nicm 1190: if (wp != NULL)
1.264 nicm 1191: window_pane_key(wp, c, s, wl, key, m);
1.276 nicm 1192:
1193: out:
1194: free(event);
1195: return (CMD_RETURN_NORMAL);
1.280 nicm 1196: }
1197:
1198: /* Handle a key event. */
1199: int
1200: server_client_handle_key(struct client *c, struct key_event *event)
1201: {
1202: struct session *s = c->session;
1203: struct cmdq_item *item;
1204:
1205: /* Check the client is good to accept input. */
1206: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1207: return (0);
1208:
1209: /*
1.291 nicm 1210: * Key presses in overlay mode and the command prompt are a special
1211: * case. The queue might be blocked so they need to be processed
1212: * immediately rather than queued.
1.280 nicm 1213: */
1.291 nicm 1214: if (~c->flags & CLIENT_READONLY) {
1215: status_message_clear(c);
1216: if (c->prompt_string != NULL) {
1217: if (status_prompt_key(c, event->key) == 0)
1218: return (0);
1219: }
1220: if (c->overlay_key != NULL) {
1221: switch (c->overlay_key(c, event)) {
1222: case 0:
1223: return (0);
1224: case 1:
1225: server_client_clear_overlay(c);
1226: return (0);
1227: }
1.290 nicm 1228: }
1.280 nicm 1229: }
1230:
1231: /*
1232: * Add the key to the queue so it happens after any commands queued by
1233: * previous keys.
1234: */
1235: item = cmdq_get_callback(server_client_key_callback, event);
1236: cmdq_append(c, item);
1237: return (1);
1.18 nicm 1238: }
1239:
1.2 nicm 1240: /* Client functions that need to happen every loop. */
1241: void
1242: server_client_loop(void)
1243: {
1244: struct client *c;
1245: struct window *w;
1246: struct window_pane *wp;
1.287 nicm 1247: struct winlink *wl;
1248: struct session *s;
1.197 nicm 1249: int focus;
1.2 nicm 1250:
1.135 nicm 1251: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1252: server_client_check_exit(c);
1253: if (c->session != NULL) {
1254: server_client_check_redraw(c);
1255: server_client_reset_state(c);
1256: }
1.2 nicm 1257: }
1258:
1259: /*
1260: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1261: * their flags now. Also check pane focus and resize.
1.2 nicm 1262: */
1.197 nicm 1263: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1264: RB_FOREACH(w, windows, &windows) {
1.287 nicm 1265: TAILQ_FOREACH(wl, &w->winlinks, wentry) {
1266: s = wl->session;
1267: if (s->attached != 0 && s->curw == wl)
1268: break;
1269: }
1.91 nicm 1270: TAILQ_FOREACH(wp, &w->panes, entry) {
1.289 nicm 1271: if (wp->fd != -1) {
1.197 nicm 1272: if (focus)
1273: server_client_check_focus(wp);
1.289 nicm 1274: if (wl != NULL)
1275: server_client_check_resize(wp);
1.101 nicm 1276: }
1.2 nicm 1277: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1278: }
1.150 nicm 1279: check_window_name(w);
1.2 nicm 1280: }
1.92 nicm 1281: }
1282:
1.237 nicm 1283: /* Check if we need to force a resize. */
1284: static int
1285: server_client_resize_force(struct window_pane *wp)
1286: {
1287: struct timeval tv = { .tv_usec = 100000 };
1288: struct winsize ws;
1289:
1290: /*
1291: * If we are resizing to the same size as when we entered the loop
1292: * (that is, to the same size the application currently thinks it is),
1293: * tmux may have gone through several resizes internally and thrown
1294: * away parts of the screen. So we need the application to actually
1295: * redraw even though its final size has not changed.
1296: */
1297:
1298: if (wp->flags & PANE_RESIZEFORCE) {
1299: wp->flags &= ~PANE_RESIZEFORCE;
1300: return (0);
1301: }
1302:
1303: if (wp->sx != wp->osx ||
1304: wp->sy != wp->osy ||
1305: wp->sx <= 1 ||
1306: wp->sy <= 1)
1307: return (0);
1308:
1309: memset(&ws, 0, sizeof ws);
1310: ws.ws_col = wp->sx;
1311: ws.ws_row = wp->sy - 1;
1.244 nicm 1312: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.237 nicm 1313: fatal("ioctl failed");
1314: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1315:
1316: evtimer_add(&wp->resize_timer, &tv);
1317: wp->flags |= PANE_RESIZEFORCE;
1318: return (1);
1319: }
1320:
1.211 nicm 1321: /* Resize timer event. */
1.188 nicm 1322: static void
1323: server_client_resize_event(__unused int fd, __unused short events, void *data)
1.92 nicm 1324: {
1.188 nicm 1325: struct window_pane *wp = data;
1326: struct winsize ws;
1327:
1328: evtimer_del(&wp->resize_timer);
1.92 nicm 1329:
1.101 nicm 1330: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 1331: return;
1.237 nicm 1332: if (server_client_resize_force(wp))
1333: return;
1.235 nicm 1334:
1.92 nicm 1335: memset(&ws, 0, sizeof ws);
1336: ws.ws_col = wp->sx;
1337: ws.ws_row = wp->sy;
1.244 nicm 1338: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 1339: fatal("ioctl failed");
1.235 nicm 1340: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.92 nicm 1341:
1342: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1343:
1344: wp->osx = wp->sx;
1345: wp->osy = wp->sy;
1.188 nicm 1346: }
1347:
1348: /* Check if pane should be resized. */
1.190 nicm 1349: static void
1.188 nicm 1350: server_client_check_resize(struct window_pane *wp)
1351: {
1352: struct timeval tv = { .tv_usec = 250000 };
1353:
1354: if (!(wp->flags & PANE_RESIZE))
1355: return;
1.235 nicm 1356: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.188 nicm 1357:
1358: if (!event_initialized(&wp->resize_timer))
1359: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1360:
1361: /*
1362: * The first resize should happen immediately, so if the timer is not
1363: * running, do it now.
1364: */
1365: if (!evtimer_pending(&wp->resize_timer, NULL))
1366: server_client_resize_event(-1, 0, wp);
1367:
1368: /*
1369: * If the pane is in the alternate screen, let the timer expire and
1370: * resize to give the application a chance to redraw. If not, keep
1371: * pushing the timer back.
1372: */
1373: if (wp->saved_grid != NULL && evtimer_pending(&wp->resize_timer, NULL))
1374: return;
1375: evtimer_del(&wp->resize_timer);
1376: evtimer_add(&wp->resize_timer, &tv);
1.91 nicm 1377: }
1378:
1379: /* Check whether pane should be focused. */
1.190 nicm 1380: static void
1.91 nicm 1381: server_client_check_focus(struct window_pane *wp)
1382: {
1.93 nicm 1383: struct client *c;
1.102 nicm 1384: int push;
1385:
1386: /* Do we need to push the focus state? */
1387: push = wp->flags & PANE_FOCUSPUSH;
1388: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1389:
1390: /* If we're not the active pane in our window, we're not focused. */
1391: if (wp->window->active != wp)
1392: goto not_focused;
1393:
1394: /* If we're in a mode, we're not focused. */
1395: if (wp->screen != &wp->base)
1396: goto not_focused;
1397:
1398: /*
1.93 nicm 1399: * If our window is the current window in any focused clients with an
1400: * attached session, we're focused.
1.91 nicm 1401: */
1.135 nicm 1402: TAILQ_FOREACH(c, &clients, entry) {
1403: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1404: continue;
1.255 nicm 1405: if (c->session->attached == 0)
1.93 nicm 1406: continue;
1407:
1408: if (c->session->curw->window == wp->window)
1.91 nicm 1409: goto focused;
1410: }
1411:
1412: not_focused:
1.251 nicm 1413: if (push || (wp->flags & PANE_FOCUSED)) {
1414: if (wp->base.mode & MODE_FOCUSON)
1415: bufferevent_write(wp->event, "\033[O", 3);
1416: notify_pane("pane-focus-out", wp);
1417: }
1.91 nicm 1418: wp->flags &= ~PANE_FOCUSED;
1419: return;
1420:
1421: focused:
1.251 nicm 1422: if (push || !(wp->flags & PANE_FOCUSED)) {
1423: if (wp->base.mode & MODE_FOCUSON)
1424: bufferevent_write(wp->event, "\033[I", 3);
1425: notify_pane("pane-focus-in", wp);
1.275 nicm 1426: session_update_activity(c->session, NULL);
1.251 nicm 1427: }
1.91 nicm 1428: wp->flags |= PANE_FOCUSED;
1.2 nicm 1429: }
1430:
1.18 nicm 1431: /*
1432: * Update cursor position and mode settings. The scroll region and attributes
1433: * are cleared when idle (waiting for an event) as this is the most likely time
1434: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1435: * compromise between excessive resets and likelihood of an interrupt.
1436: *
1437: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1438: * things that are already in their default state.
1439: */
1.190 nicm 1440: static void
1.18 nicm 1441: server_client_reset_state(struct client *c)
1.1 nicm 1442: {
1.18 nicm 1443: struct window *w = c->session->curw->window;
1.209 nicm 1444: struct window_pane *wp = w->active, *loop;
1.18 nicm 1445: struct screen *s = wp->screen;
1.163 nicm 1446: struct options *oo = c->session->options;
1.261 nicm 1447: int mode, cursor = 0;
1448: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1449:
1.186 nicm 1450: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1451: return;
1.282 nicm 1452: if (c->overlay_draw != NULL)
1453: return;
1.261 nicm 1454: mode = s->mode;
1.86 nicm 1455:
1.199 nicm 1456: tty_region_off(&c->tty);
1457: tty_margin_off(&c->tty);
1.1 nicm 1458:
1.261 nicm 1459: /* Move cursor to pane cursor and offset. */
1460: cursor = 0;
1461: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1462: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1463: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1464: cursor = 1;
1465:
1466: cx = wp->xoff + s->cx - ox;
1467: cy = wp->yoff + s->cy - oy;
1468:
1469: if (status_at_line(c) == 0)
1470: cy += status_line_size(c);
1471: }
1472: if (!cursor)
1473: mode &= ~MODE_CURSOR;
1474: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1475:
1.50 nicm 1476: /*
1.131 nicm 1477: * Set mouse mode if requested. To support dragging, always use button
1478: * mode.
1.57 nicm 1479: */
1.209 nicm 1480: if (options_get_number(oo, "mouse")) {
1481: mode &= ~ALL_MOUSE_MODES;
1482: TAILQ_FOREACH(loop, &w->panes, entry) {
1483: if (loop->screen->mode & MODE_MOUSE_ALL)
1484: mode |= MODE_MOUSE_ALL;
1485: }
1486: if (~mode & MODE_MOUSE_ALL)
1487: mode |= MODE_MOUSE_BUTTON;
1488: }
1.215 nicm 1489:
1490: /* Clear bracketed paste mode if at the prompt. */
1491: if (c->prompt_string != NULL)
1492: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1493:
1494: /* Set the terminal mode and reset attributes. */
1.59 nicm 1495: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1496: tty_reset(&c->tty);
1.17 nicm 1497: }
1498:
1499: /* Repeat time callback. */
1.190 nicm 1500: static void
1.170 nicm 1501: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1502: {
1503: struct client *c = data;
1504:
1.85 nicm 1505: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1506: server_client_set_key_table(c, NULL);
1.132 nicm 1507: c->flags &= ~CLIENT_REPEAT;
1508: server_status_client(c);
1.85 nicm 1509: }
1.192 nicm 1510: }
1511:
1512: /* Double-click callback. */
1513: static void
1514: server_client_click_timer(__unused int fd, __unused short events, void *data)
1515: {
1516: struct client *c = data;
1517:
1518: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1519: }
1520:
1.36 nicm 1521: /* Check if client should be exited. */
1.190 nicm 1522: static void
1.36 nicm 1523: server_client_check_exit(struct client *c)
1524: {
1.286 nicm 1525: if (~c->flags & CLIENT_EXIT)
1526: return;
1527: if (c->flags & CLIENT_EXITED)
1.36 nicm 1528: return;
1529:
1.73 nicm 1530: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
1531: return;
1532: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 1533: return;
1.73 nicm 1534: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 1535: return;
1536:
1.249 nicm 1537: if (c->flags & CLIENT_ATTACHED)
1538: notify_client("client-detached", c);
1.162 nicm 1539: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.286 nicm 1540: c->flags |= CLIENT_EXITED;
1.38 nicm 1541: }
1542:
1.218 nicm 1543: /* Redraw timer callback. */
1544: static void
1545: server_client_redraw_timer(__unused int fd, __unused short events,
1546: __unused void* data)
1547: {
1548: log_debug("redraw timer fired");
1549: }
1550:
1.1 nicm 1551: /* Check for client redraws. */
1.190 nicm 1552: static void
1.1 nicm 1553: server_client_check_redraw(struct client *c)
1554: {
1555: struct session *s = c->session;
1.137 nicm 1556: struct tty *tty = &c->tty;
1.1 nicm 1557: struct window_pane *wp;
1.256 nicm 1558: int needed, flags;
1.218 nicm 1559: struct timeval tv = { .tv_usec = 1000 };
1560: static struct event ev;
1561: size_t left;
1.1 nicm 1562:
1.86 nicm 1563: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1564: return;
1.257 nicm 1565: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1.282 nicm 1566: log_debug("%s: redraw%s%s%s%s", c->name,
1.257 nicm 1567: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1568: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1.282 nicm 1569: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
1570: (c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "");
1.257 nicm 1571: }
1.218 nicm 1572:
1573: /*
1574: * If there is outstanding data, defer the redraw until it has been
1575: * consumed. We can just add a timer to get out of the event loop and
1576: * end up back here.
1577: */
1578: needed = 0;
1.256 nicm 1579: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1580: needed = 1;
1581: else {
1582: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1583: if (wp->flags & PANE_REDRAW) {
1584: needed = 1;
1585: break;
1586: }
1587: }
1588: }
1.241 nicm 1589: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1590: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1591: if (!evtimer_initialized(&ev))
1592: evtimer_set(&ev, server_client_redraw_timer, NULL);
1593: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1594: log_debug("redraw timer started");
1595: evtimer_add(&ev, &tv);
1.241 nicm 1596: }
1.218 nicm 1597:
1.241 nicm 1598: /*
1599: * We may have got here for a single pane redraw, but force a
1600: * full redraw next time in case other panes have been updated.
1601: */
1.256 nicm 1602: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1603: return;
1604: } else if (needed)
1.218 nicm 1605: log_debug("%s: redraw needed", c->name);
1.79 nicm 1606:
1.219 nicm 1607: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1608: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1609:
1.256 nicm 1610: if (~c->flags & CLIENT_REDRAWWINDOW) {
1611: /*
1612: * If not redrawing the entire window, check whether each pane
1613: * needs to be redrawn.
1614: */
1.1 nicm 1615: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1616: if (wp->flags & PANE_REDRAW) {
1617: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1618: screen_redraw_pane(c, wp);
1.137 nicm 1619: }
1.1 nicm 1620: }
1621: }
1622:
1.256 nicm 1623: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1624: if (options_get_number(s->options, "set-titles"))
1625: server_client_set_title(c);
1626: screen_redraw_screen(c);
1627: }
1.1 nicm 1628:
1.137 nicm 1629: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1630: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1631:
1.256 nicm 1632: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1633:
1634: if (needed) {
1635: /*
1636: * We would have deferred the redraw unless the output buffer
1637: * was empty, so we can record how many bytes the redraw
1638: * generated.
1639: */
1640: c->redraw = EVBUFFER_LENGTH(tty->out);
1641: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1642: }
1.1 nicm 1643: }
1644:
1645: /* Set client title. */
1.190 nicm 1646: static void
1.1 nicm 1647: server_client_set_title(struct client *c)
1648: {
1.128 nicm 1649: struct session *s = c->session;
1650: const char *template;
1651: char *title;
1652: struct format_tree *ft;
1.1 nicm 1653:
1.163 nicm 1654: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1655:
1.228 nicm 1656: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1657: format_defaults(ft, c, NULL, NULL, NULL);
1658:
1.269 nicm 1659: title = format_expand_time(ft, template);
1.1 nicm 1660: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1661: free(c->title);
1.1 nicm 1662: c->title = xstrdup(title);
1663: tty_set_title(&c->tty, c->title);
1664: }
1.77 nicm 1665: free(title);
1.128 nicm 1666:
1667: format_free(ft);
1.1 nicm 1668: }
1669:
1670: /* Dispatch message from client. */
1.190 nicm 1671: static void
1.162 nicm 1672: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1673: {
1.162 nicm 1674: struct client *c = arg;
1.73 nicm 1675: struct msg_stdin_data stdindata;
1.108 nicm 1676: const char *data;
1.162 nicm 1677: ssize_t datalen;
1.149 nicm 1678: struct session *s;
1.1 nicm 1679:
1.162 nicm 1680: if (c->flags & CLIENT_DEAD)
1681: return;
1682:
1683: if (imsg == NULL) {
1684: server_client_lost(c);
1685: return;
1686: }
1.1 nicm 1687:
1.162 nicm 1688: data = imsg->data;
1689: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1690:
1.162 nicm 1691: switch (imsg->hdr.type) {
1692: case MSG_IDENTIFY_FLAGS:
1693: case MSG_IDENTIFY_TERM:
1694: case MSG_IDENTIFY_TTYNAME:
1695: case MSG_IDENTIFY_CWD:
1696: case MSG_IDENTIFY_STDIN:
1697: case MSG_IDENTIFY_ENVIRON:
1698: case MSG_IDENTIFY_CLIENTPID:
1699: case MSG_IDENTIFY_DONE:
1700: server_client_dispatch_identify(c, imsg);
1701: break;
1702: case MSG_COMMAND:
1703: server_client_dispatch_command(c, imsg);
1704: break;
1705: case MSG_STDIN:
1706: if (datalen != sizeof stdindata)
1707: fatalx("bad MSG_STDIN size");
1708: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1709:
1.162 nicm 1710: if (c->stdin_callback == NULL)
1.33 nicm 1711: break;
1.162 nicm 1712: if (stdindata.size <= 0)
1713: c->stdin_closed = 1;
1714: else {
1715: evbuffer_add(c->stdin_data, stdindata.data,
1716: stdindata.size);
1717: }
1.279 nicm 1718: c->stdin_callback(c, c->stdin_closed, c->stdin_callback_data);
1.162 nicm 1719: break;
1720: case MSG_RESIZE:
1721: if (datalen != 0)
1722: fatalx("bad MSG_RESIZE size");
1.1 nicm 1723:
1.162 nicm 1724: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1725: break;
1.282 nicm 1726: server_client_clear_overlay(c);
1.236 nicm 1727: tty_resize(&c->tty);
1728: recalculate_sizes();
1729: server_redraw_client(c);
1.174 nicm 1730: if (c->session != NULL)
1.196 nicm 1731: notify_client("client-resized", c);
1.162 nicm 1732: break;
1733: case MSG_EXITING:
1734: if (datalen != 0)
1735: fatalx("bad MSG_EXITING size");
1.1 nicm 1736:
1.162 nicm 1737: c->session = NULL;
1738: tty_close(&c->tty);
1739: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1740: break;
1741: case MSG_WAKEUP:
1742: case MSG_UNLOCK:
1743: if (datalen != 0)
1744: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1745:
1.162 nicm 1746: if (!(c->flags & CLIENT_SUSPENDED))
1747: break;
1748: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1749:
1.162 nicm 1750: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1751: break;
1.162 nicm 1752: s = c->session;
1.1 nicm 1753:
1.162 nicm 1754: if (gettimeofday(&c->activity_time, NULL) != 0)
1755: fatal("gettimeofday failed");
1756:
1757: tty_start_tty(&c->tty);
1758: server_redraw_client(c);
1759: recalculate_sizes();
1.184 nicm 1760:
1761: if (s != NULL)
1762: session_update_activity(s, &c->activity_time);
1.162 nicm 1763: break;
1764: case MSG_SHELL:
1765: if (datalen != 0)
1766: fatalx("bad MSG_SHELL size");
1.1 nicm 1767:
1.162 nicm 1768: server_client_dispatch_shell(c);
1769: break;
1.1 nicm 1770: }
1771: }
1772:
1.194 nicm 1773: /* Callback when command is done. */
1774: static enum cmd_retval
1.195 nicm 1775: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1776: {
1.195 nicm 1777: struct client *c = item->client;
1.194 nicm 1778:
1779: if (~c->flags & CLIENT_ATTACHED)
1780: c->flags |= CLIENT_EXIT;
1781: return (CMD_RETURN_NORMAL);
1782: }
1783:
1.1 nicm 1784: /* Handle command message. */
1.190 nicm 1785: static void
1.162 nicm 1786: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1787: {
1.108 nicm 1788: struct msg_command_data data;
1789: char *buf;
1790: size_t len;
1791: int argc;
1792: char **argv, *cause;
1.285 nicm 1793: struct cmd_parse_result *pr;
1.246 nicm 1794:
1795: if (c->flags & CLIENT_EXIT)
1796: return;
1.108 nicm 1797:
1798: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1799: fatalx("bad MSG_COMMAND size");
1800: memcpy(&data, imsg->data, sizeof data);
1801:
1.124 nicm 1802: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1803: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1804: if (len > 0 && buf[len - 1] != '\0')
1805: fatalx("bad MSG_COMMAND string");
1806:
1807: argc = data.argc;
1808: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1809: cause = xstrdup("command too long");
1.1 nicm 1810: goto error;
1811: }
1812:
1813: if (argc == 0) {
1814: argc = 1;
1815: argv = xcalloc(1, sizeof *argv);
1816: *argv = xstrdup("new-session");
1817: }
1818:
1.285 nicm 1819: pr = cmd_parse_from_arguments(argc, argv, NULL);
1820: switch (pr->status) {
1821: case CMD_PARSE_EMPTY:
1822: cause = xstrdup("empty command");
1.1 nicm 1823: goto error;
1.285 nicm 1824: case CMD_PARSE_ERROR:
1825: cause = pr->error;
1826: goto error;
1827: case CMD_PARSE_SUCCESS:
1828: break;
1.1 nicm 1829: }
1830: cmd_free_argv(argc, argv);
1831:
1.285 nicm 1832: cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL, NULL, 0));
1.194 nicm 1833: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.285 nicm 1834:
1835: cmd_list_free(pr->cmdlist);
1.1 nicm 1836: return;
1837:
1838: error:
1.285 nicm 1839: cmd_free_argv(argc, argv);
1840:
1.284 nicm 1841: cmdq_append(c, cmdq_get_error(cause));
1842: free(cause);
1.88 nicm 1843:
1.36 nicm 1844: c->flags |= CLIENT_EXIT;
1.1 nicm 1845: }
1846:
1847: /* Handle identify message. */
1.190 nicm 1848: static void
1.162 nicm 1849: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1850: {
1.165 nicm 1851: const char *data, *home;
1.232 nicm 1852: size_t datalen;
1.109 nicm 1853: int flags;
1.216 nicm 1854: char *name;
1.109 nicm 1855:
1856: if (c->flags & CLIENT_IDENTIFIED)
1857: fatalx("out-of-order identify message");
1858:
1859: data = imsg->data;
1860: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1861:
1862: switch (imsg->hdr.type) {
1863: case MSG_IDENTIFY_FLAGS:
1864: if (datalen != sizeof flags)
1865: fatalx("bad MSG_IDENTIFY_FLAGS size");
1866: memcpy(&flags, data, sizeof flags);
1867: c->flags |= flags;
1.158 nicm 1868: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1869: break;
1870: case MSG_IDENTIFY_TERM:
1.110 nicm 1871: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1872: fatalx("bad MSG_IDENTIFY_TERM string");
1873: c->term = xstrdup(data);
1.158 nicm 1874: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1875: break;
1876: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1877: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1878: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1879: c->ttyname = xstrdup(data);
1.158 nicm 1880: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1881: break;
1882: case MSG_IDENTIFY_CWD:
1.155 nicm 1883: if (datalen == 0 || data[datalen - 1] != '\0')
1884: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1885: if (access(data, X_OK) == 0)
1886: c->cwd = xstrdup(data);
1887: else if ((home = find_home()) != NULL)
1888: c->cwd = xstrdup(home);
1889: else
1890: c->cwd = xstrdup("/");
1.158 nicm 1891: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1892: break;
1893: case MSG_IDENTIFY_STDIN:
1894: if (datalen != 0)
1895: fatalx("bad MSG_IDENTIFY_STDIN size");
1896: c->fd = imsg->fd;
1.158 nicm 1897: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1898: break;
1899: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1900: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1901: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1902: if (strchr(data, '=') != NULL)
1.164 nicm 1903: environ_put(c->environ, data);
1.158 nicm 1904: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1905: break;
1906: case MSG_IDENTIFY_CLIENTPID:
1907: if (datalen != sizeof c->pid)
1908: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1909: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1910: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1911: break;
1912: default:
1913: break;
1914: }
1915:
1916: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1917: return;
1918: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1919:
1.216 nicm 1920: if (*c->ttyname != '\0')
1921: name = xstrdup(c->ttyname);
1922: else
1923: xasprintf(&name, "client-%ld", (long)c->pid);
1924: c->name = name;
1925: log_debug("client %p name is %s", c, c->name);
1926:
1.109 nicm 1927: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1928: c->stdin_callback = control_callback;
1.109 nicm 1929:
1.97 nicm 1930: evbuffer_free(c->stderr_data);
1931: c->stderr_data = c->stdout_data;
1.109 nicm 1932:
1933: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1934: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.162 nicm 1935: proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
1.75 nicm 1936:
1937: c->tty.fd = -1;
1938:
1.109 nicm 1939: close(c->fd);
1940: c->fd = -1;
1.288 nicm 1941: } else if (c->fd != -1) {
1942: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1943: close(c->fd);
1944: c->fd = -1;
1945: } else {
1946: if (c->flags & CLIENT_UTF8)
1947: c->tty.flags |= TTY_UTF8;
1948: if (c->flags & CLIENT_256COLOURS)
1949: c->tty.term_flags |= TERM_256COLOURS;
1950: tty_resize(&c->tty);
1951: c->flags |= CLIENT_TERMINAL;
1952: }
1.75 nicm 1953: }
1.1 nicm 1954:
1.288 nicm 1955: /*
1956: * If this is the first client that has finished identifying, load
1957: * configuration files.
1958: */
1959: if ((~c->flags & CLIENT_EXIT) &&
1960: !cfg_finished &&
1961: c == TAILQ_FIRST(&clients) &&
1962: TAILQ_NEXT(c, entry) == NULL)
1963: start_cfg();
1.1 nicm 1964: }
1965:
1966: /* Handle shell message. */
1.190 nicm 1967: static void
1.162 nicm 1968: server_client_dispatch_shell(struct client *c)
1.1 nicm 1969: {
1.107 nicm 1970: const char *shell;
1.25 nicm 1971:
1.163 nicm 1972: shell = options_get_string(global_s_options, "default-shell");
1.1 nicm 1973: if (*shell == '\0' || areshell(shell))
1974: shell = _PATH_BSHELL;
1.240 nicm 1975: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 1976:
1.162 nicm 1977: proc_kill_peer(c->peer);
1.169 nicm 1978: }
1979:
1980: /* Event callback to push more stdout data if any left. */
1981: static void
1.170 nicm 1982: server_client_stdout_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1983: {
1984: struct client *c = arg;
1985:
1986: if (~c->flags & CLIENT_DEAD)
1987: server_client_push_stdout(c);
1988: server_client_unref(c);
1989: }
1990:
1991: /* Push stdout to client if possible. */
1992: void
1993: server_client_push_stdout(struct client *c)
1994: {
1995: struct msg_stdout_data data;
1.232 nicm 1996: size_t sent, left;
1.169 nicm 1997:
1998: left = EVBUFFER_LENGTH(c->stdout_data);
1999: while (left != 0) {
2000: sent = left;
2001: if (sent > sizeof data.data)
2002: sent = sizeof data.data;
2003: memcpy(data.data, EVBUFFER_DATA(c->stdout_data), sent);
2004: data.size = sent;
2005:
2006: if (proc_send(c->peer, MSG_STDOUT, -1, &data, sizeof data) != 0)
2007: break;
2008: evbuffer_drain(c->stdout_data, sent);
2009:
2010: left = EVBUFFER_LENGTH(c->stdout_data);
2011: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
2012: sent, left);
2013: }
2014: if (left != 0) {
2015: c->references++;
2016: event_once(-1, EV_TIMEOUT, server_client_stdout_cb, c, NULL);
2017: log_debug("%s: client %p, queued", __func__, c);
2018: }
2019: }
2020:
2021: /* Event callback to push more stderr data if any left. */
2022: static void
1.170 nicm 2023: server_client_stderr_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 2024: {
2025: struct client *c = arg;
2026:
2027: if (~c->flags & CLIENT_DEAD)
2028: server_client_push_stderr(c);
2029: server_client_unref(c);
2030: }
2031:
2032: /* Push stderr to client if possible. */
2033: void
2034: server_client_push_stderr(struct client *c)
2035: {
2036: struct msg_stderr_data data;
1.232 nicm 2037: size_t sent, left;
1.169 nicm 2038:
2039: if (c->stderr_data == c->stdout_data) {
2040: server_client_push_stdout(c);
2041: return;
2042: }
2043:
2044: left = EVBUFFER_LENGTH(c->stderr_data);
2045: while (left != 0) {
2046: sent = left;
2047: if (sent > sizeof data.data)
2048: sent = sizeof data.data;
2049: memcpy(data.data, EVBUFFER_DATA(c->stderr_data), sent);
2050: data.size = sent;
2051:
2052: if (proc_send(c->peer, MSG_STDERR, -1, &data, sizeof data) != 0)
2053: break;
2054: evbuffer_drain(c->stderr_data, sent);
2055:
2056: left = EVBUFFER_LENGTH(c->stderr_data);
2057: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
2058: sent, left);
2059: }
2060: if (left != 0) {
2061: c->references++;
2062: event_once(-1, EV_TIMEOUT, server_client_stderr_cb, c, NULL);
2063: log_debug("%s: client %p, queued", __func__, c);
1.212 nicm 2064: }
2065: }
2066:
2067: /* Add to client message log. */
2068: void
2069: server_client_add_message(struct client *c, const char *fmt, ...)
2070: {
2071: struct message_entry *msg, *msg1;
2072: char *s;
2073: va_list ap;
2074: u_int limit;
2075:
2076: va_start(ap, fmt);
2077: xvasprintf(&s, fmt, ap);
2078: va_end(ap);
2079:
1.216 nicm 2080: log_debug("message %s (client %p)", s, c);
1.212 nicm 2081:
2082: msg = xcalloc(1, sizeof *msg);
2083: msg->msg_time = time(NULL);
2084: msg->msg_num = c->message_next++;
2085: msg->msg = s;
2086: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
2087:
2088: limit = options_get_number(global_options, "message-limit");
2089: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
2090: if (msg->msg_num + limit >= c->message_next)
2091: break;
2092: free(msg->msg);
2093: TAILQ_REMOVE(&c->message_log, msg, entry);
2094: free(msg);
1.169 nicm 2095: }
1.213 nicm 2096: }
2097:
2098: /* Get client working directory. */
2099: const char *
1.250 nicm 2100: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 2101: {
1.250 nicm 2102: const char *home;
1.213 nicm 2103:
1.265 nicm 2104: if (!cfg_finished && cfg_client != NULL)
2105: return (cfg_client->cwd);
1.213 nicm 2106: if (c != NULL && c->session == NULL && c->cwd != NULL)
2107: return (c->cwd);
1.250 nicm 2108: if (s != NULL && s->cwd != NULL)
2109: return (s->cwd);
1.213 nicm 2110: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
2111: return (s->cwd);
1.250 nicm 2112: if ((home = find_home()) != NULL)
2113: return (home);
2114: return ("/");
1.213 nicm 2115: }
2116:
2117: /* Resolve an absolute path or relative to client working directory. */
2118: char *
2119: server_client_get_path(struct client *c, const char *file)
2120: {
2121: char *path, resolved[PATH_MAX];
2122:
2123: if (*file == '/')
2124: path = xstrdup(file);
2125: else
1.250 nicm 2126: xasprintf(&path, "%s/%s", server_client_get_cwd(c, NULL), file);
1.213 nicm 2127: if (realpath(path, resolved) == NULL)
2128: return (path);
2129: free(path);
2130: return (xstrdup(resolved));
1.1 nicm 2131: }
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