Annotation of src/usr.bin/tmux/server-client.c, Revision 1.266
1.266 ! nicm 1: /* $OpenBSD: server-client.c,v 1.265 2019/02/16 11:42:08 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:
1.247 nicm 207: screen_init(&c->status.status, c->tty.sx, 1, 0);
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:
1.247 nicm 284: if (event_initialized(&c->status.timer))
285: evtimer_del(&c->status.timer);
286: screen_free(&c->status.status);
287: if (c->status.old_status != NULL) {
288: screen_free(c->status.old_status);
289: free(c->status.old_status);
1.234 nicm 290: }
1.1 nicm 291:
1.77 nicm 292: free(c->title);
1.165 nicm 293: free((void *)c->cwd);
1.1 nicm 294:
1.17 nicm 295: evtimer_del(&c->repeat_timer);
1.192 nicm 296: evtimer_del(&c->click_timer);
1.17 nicm 297:
1.132 nicm 298: key_bindings_unref_table(c->keytable);
299:
1.69 nicm 300: if (event_initialized(&c->identify_timer))
301: evtimer_del(&c->identify_timer);
1.15 nicm 302:
1.77 nicm 303: free(c->message_string);
1.116 nicm 304: if (event_initialized(&c->message_timer))
1.69 nicm 305: evtimer_del(&c->message_timer);
1.136 nicm 306: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 307: free(msg->msg);
1.136 nicm 308: TAILQ_REMOVE(&c->message_log, msg, entry);
309: free(msg);
1.21 nicm 310: }
1.1 nicm 311:
1.259 nicm 312: free(c->prompt_saved);
1.77 nicm 313: free(c->prompt_string);
314: free(c->prompt_buffer);
1.61 nicm 315:
1.228 nicm 316: format_lost_client(c);
1.164 nicm 317: environ_free(c->environ);
1.1 nicm 318:
1.162 nicm 319: proc_remove_peer(c->peer);
320: c->peer = NULL;
1.13 nicm 321:
1.142 nicm 322: server_client_unref(c);
1.71 nicm 323:
324: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 325:
326: recalculate_sizes();
1.41 nicm 327: server_check_unattached();
1.19 nicm 328: server_update_socket();
1.141 nicm 329: }
330:
331: /* Remove reference from a client. */
332: void
1.142 nicm 333: server_client_unref(struct client *c)
1.141 nicm 334: {
1.157 nicm 335: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 336:
337: c->references--;
338: if (c->references == 0)
339: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
340: }
341:
342: /* Free dead client. */
1.190 nicm 343: static void
1.170 nicm 344: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 345: {
346: struct client *c = arg;
347:
1.157 nicm 348: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 349:
1.194 nicm 350: if (!TAILQ_EMPTY(&c->queue))
351: fatalx("queue not empty");
352:
1.216 nicm 353: if (c->references == 0) {
354: free((void *)c->name);
1.141 nicm 355: free(c);
1.216 nicm 356: }
1.9 nicm 357: }
358:
1.220 nicm 359: /* Suspend a client. */
360: void
361: server_client_suspend(struct client *c)
362: {
1.232 nicm 363: struct session *s = c->session;
1.220 nicm 364:
365: if (s == NULL || (c->flags & CLIENT_DETACHING))
366: return;
367:
368: tty_stop_tty(&c->tty);
369: c->flags |= CLIENT_SUSPENDED;
370: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
371: }
372:
1.174 nicm 373: /* Detach a client. */
374: void
375: server_client_detach(struct client *c, enum msgtype msgtype)
376: {
1.232 nicm 377: struct session *s = c->session;
1.174 nicm 378:
1.220 nicm 379: if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174 nicm 380: return;
381:
1.220 nicm 382: c->flags |= CLIENT_DETACHING;
1.196 nicm 383: notify_client("client-detached", c);
1.240 nicm 384: proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
1.207 nicm 385: }
386:
1.208 nicm 387: /* Execute command to replace a client. */
1.207 nicm 388: void
389: server_client_exec(struct client *c, const char *cmd)
390: {
391: struct session *s = c->session;
1.208 nicm 392: char *msg;
393: const char *shell;
1.207 nicm 394: size_t cmdsize, shellsize;
395:
396: if (*cmd == '\0')
397: return;
398: cmdsize = strlen(cmd) + 1;
399:
400: if (s != NULL)
401: shell = options_get_string(s->options, "default-shell");
402: else
403: shell = options_get_string(global_s_options, "default-shell");
404: shellsize = strlen(shell) + 1;
405:
406: msg = xmalloc(cmdsize + shellsize);
407: memcpy(msg, cmd, cmdsize);
408: memcpy(msg + cmdsize, shell, shellsize);
409:
410: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
411: free(msg);
1.174 nicm 412: }
413:
1.66 nicm 414: /* Check for mouse keys. */
1.190 nicm 415: static key_code
1.131 nicm 416: server_client_check_mouse(struct client *c)
1.66 nicm 417: {
1.192 nicm 418: struct session *s = c->session;
419: struct mouse_event *m = &c->tty.mouse;
420: struct window *w;
421: struct window_pane *wp;
1.261 nicm 422: u_int x, y, b, sx, sy, px, py;
1.192 nicm 423: int flag;
424: key_code key;
425: struct timeval tv;
1.209 nicm 426: enum { NOTYPE, MOVE, DOWN, UP, DRAG, WHEEL, DOUBLE, TRIPLE } type;
1.258 nicm 427: enum { NOWHERE, PANE, STATUS, STATUS_LEFT, STATUS_RIGHT, BORDER } where;
1.209 nicm 428:
429: type = NOTYPE;
430: where = NOWHERE;
1.131 nicm 431:
1.261 nicm 432: log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
433: m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
1.131 nicm 434:
435: /* What type of event is this? */
1.209 nicm 436: if ((m->sgr_type != ' ' &&
437: MOUSE_DRAG(m->sgr_b) &&
438: MOUSE_BUTTONS(m->sgr_b) == 3) ||
439: (m->sgr_type == ' ' &&
440: MOUSE_DRAG(m->b) &&
441: MOUSE_BUTTONS(m->b) == 3 &&
442: MOUSE_BUTTONS(m->lb) == 3)) {
443: type = MOVE;
444: x = m->x, y = m->y, b = 0;
445: log_debug("move at %u,%u", x, y);
446: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 447: type = DRAG;
448: if (c->tty.mouse_drag_flag) {
449: x = m->x, y = m->y, b = m->b;
450: log_debug("drag update at %u,%u", x, y);
451: } else {
1.261 nicm 452: x = m->lx - m->ox, y = m->ly - m->oy, b = m->lb;
1.131 nicm 453: log_debug("drag start at %u,%u", x, y);
454: }
455: } else if (MOUSE_WHEEL(m->b)) {
456: type = WHEEL;
457: x = m->x, y = m->y, b = m->b;
458: log_debug("wheel at %u,%u", x, y);
1.200 nicm 459: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 460: type = UP;
461: x = m->x, y = m->y, b = m->lb;
462: log_debug("up at %u,%u", x, y);
463: } else {
1.192 nicm 464: if (c->flags & CLIENT_DOUBLECLICK) {
465: evtimer_del(&c->click_timer);
466: c->flags &= ~CLIENT_DOUBLECLICK;
467: if (m->b == c->click_button) {
468: type = DOUBLE;
469: x = m->x, y = m->y, b = m->b;
470: log_debug("double-click at %u,%u", x, y);
471: flag = CLIENT_TRIPLECLICK;
472: goto add_timer;
473: }
474: } else if (c->flags & CLIENT_TRIPLECLICK) {
475: evtimer_del(&c->click_timer);
476: c->flags &= ~CLIENT_TRIPLECLICK;
477: if (m->b == c->click_button) {
478: type = TRIPLE;
479: x = m->x, y = m->y, b = m->b;
480: log_debug("triple-click at %u,%u", x, y);
481: goto have_event;
482: }
483: }
484:
1.131 nicm 485: type = DOWN;
486: x = m->x, y = m->y, b = m->b;
487: log_debug("down at %u,%u", x, y);
1.192 nicm 488: flag = CLIENT_DOUBLECLICK;
489:
490: add_timer:
491: if (KEYC_CLICK_TIMEOUT != 0) {
492: c->flags |= flag;
493: c->click_button = m->b;
494:
495: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
496: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
497: evtimer_del(&c->click_timer);
498: evtimer_add(&c->click_timer, &tv);
499: }
1.131 nicm 500: }
1.192 nicm 501:
502: have_event:
1.131 nicm 503: if (type == NOTYPE)
1.177 nicm 504: return (KEYC_UNKNOWN);
1.131 nicm 505:
1.258 nicm 506: /* Save the session. */
1.131 nicm 507: m->s = s->id;
1.258 nicm 508: m->w = -1;
1.131 nicm 509:
510: /* Is this on the status line? */
511: m->statusat = status_at_line(c);
512: if (m->statusat != -1 && y == (u_int)m->statusat) {
1.258 nicm 513: if (x < c->status.left_size)
514: where = STATUS_LEFT;
515: else if (x > c->tty.sx - c->status.right_size)
516: where = STATUS_RIGHT;
517: else {
518: w = status_get_window_at(c, x);
519: if (w == NULL)
520: return (KEYC_UNKNOWN);
521: m->w = w->id;
522: where = STATUS;
523: }
524: }
1.131 nicm 525:
526: /* Not on status line. Adjust position and check for border or pane. */
527: if (where == NOWHERE) {
1.261 nicm 528: px = x;
1.131 nicm 529: if (m->statusat == 0 && y > 0)
1.261 nicm 530: py = y - 1;
1.131 nicm 531: else if (m->statusat > 0 && y >= (u_int)m->statusat)
1.261 nicm 532: py = m->statusat - 1;
533: else
534: py = y;
535:
536: tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
537: log_debug("mouse window @%u at %u,%u (%ux%u)",
538: s->curw->window->id, m->ox, m->oy, sx, sy);
539: if (px > sx || py > sy)
540: return (KEYC_UNKNOWN);
541: px = px + m->ox;
542: py = py + m->oy;
543: m->x = x + m->ox;
544: m->y = y + m->oy;
1.131 nicm 545:
1.260 nicm 546: /* Try the pane borders if not zoomed. */
547: if (~s->curw->window->flags & WINDOW_ZOOMED) {
548: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
1.261 nicm 549: if ((wp->xoff + wp->sx == px &&
550: wp->yoff <= 1 + py &&
551: wp->yoff + wp->sy >= py) ||
552: (wp->yoff + wp->sy == py &&
553: wp->xoff <= 1 + px &&
554: wp->xoff + wp->sx >= px))
1.260 nicm 555: break;
556: }
557: if (wp != NULL)
558: where = BORDER;
1.131 nicm 559: }
1.260 nicm 560:
561: /* Otherwise try inside the pane. */
562: if (where == NOWHERE) {
1.261 nicm 563: wp = window_get_active_at(s->curw->window, px, py);
1.260 nicm 564: if (wp != NULL)
1.131 nicm 565: where = PANE;
566: }
1.260 nicm 567:
1.131 nicm 568: if (where == NOWHERE)
1.177 nicm 569: return (KEYC_UNKNOWN);
1.260 nicm 570: if (where == PANE)
571: log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
572: else if (where == BORDER)
573: log_debug("mouse on pane %%%u border", wp->id);
1.131 nicm 574: m->wp = wp->id;
575: m->w = wp->window->id;
576: } else
577: m->wp = -1;
578:
579: /* Stop dragging if needed. */
1.200 nicm 580: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 581: if (c->tty.mouse_drag_release != NULL)
582: c->tty.mouse_drag_release(c, m);
583:
584: c->tty.mouse_drag_update = NULL;
585: c->tty.mouse_drag_release = NULL;
586:
1.182 nicm 587: /*
1.183 nicm 588: * End a mouse drag by passing a MouseDragEnd key corresponding
589: * to the button that started the drag.
1.182 nicm 590: */
591: switch (c->tty.mouse_drag_flag) {
592: case 1:
593: if (where == PANE)
1.183 nicm 594: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 595: if (where == STATUS)
1.183 nicm 596: key = KEYC_MOUSEDRAGEND1_STATUS;
1.258 nicm 597: if (where == STATUS_LEFT)
598: key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
599: if (where == STATUS_RIGHT)
600: key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
1.182 nicm 601: if (where == BORDER)
1.183 nicm 602: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 603: break;
604: case 2:
605: if (where == PANE)
1.183 nicm 606: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 607: if (where == STATUS)
1.183 nicm 608: key = KEYC_MOUSEDRAGEND2_STATUS;
1.258 nicm 609: if (where == STATUS_LEFT)
610: key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
611: if (where == STATUS_RIGHT)
612: key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
1.182 nicm 613: if (where == BORDER)
1.183 nicm 614: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 615: break;
616: case 3:
617: if (where == PANE)
1.183 nicm 618: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 619: if (where == STATUS)
1.183 nicm 620: key = KEYC_MOUSEDRAGEND3_STATUS;
1.258 nicm 621: if (where == STATUS_LEFT)
622: key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
623: if (where == STATUS_RIGHT)
624: key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
1.182 nicm 625: if (where == BORDER)
1.183 nicm 626: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 627: break;
628: default:
629: key = KEYC_MOUSE;
630: break;
631: }
1.131 nicm 632: c->tty.mouse_drag_flag = 0;
1.182 nicm 633:
634: return (key);
1.131 nicm 635: }
636:
637: /* Convert to a key binding. */
1.177 nicm 638: key = KEYC_UNKNOWN;
1.131 nicm 639: switch (type) {
640: case NOTYPE:
641: break;
1.209 nicm 642: case MOVE:
643: if (where == PANE)
644: key = KEYC_MOUSEMOVE_PANE;
645: if (where == STATUS)
646: key = KEYC_MOUSEMOVE_STATUS;
647: if (where == BORDER)
648: key = KEYC_MOUSEMOVE_BORDER;
649: break;
1.131 nicm 650: case DRAG:
1.204 nicm 651: if (c->tty.mouse_drag_update != NULL)
652: key = KEYC_DRAGGING;
653: else {
1.131 nicm 654: switch (MOUSE_BUTTONS(b)) {
655: case 0:
656: if (where == PANE)
657: key = KEYC_MOUSEDRAG1_PANE;
658: if (where == STATUS)
659: key = KEYC_MOUSEDRAG1_STATUS;
1.258 nicm 660: if (where == STATUS_LEFT)
661: key = KEYC_MOUSEDRAG1_STATUS_LEFT;
662: if (where == STATUS_RIGHT)
663: key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
1.131 nicm 664: if (where == BORDER)
665: key = KEYC_MOUSEDRAG1_BORDER;
666: break;
667: case 1:
668: if (where == PANE)
669: key = KEYC_MOUSEDRAG2_PANE;
670: if (where == STATUS)
671: key = KEYC_MOUSEDRAG2_STATUS;
1.258 nicm 672: if (where == STATUS_LEFT)
673: key = KEYC_MOUSEDRAG2_STATUS_LEFT;
674: if (where == STATUS_RIGHT)
675: key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
1.131 nicm 676: if (where == BORDER)
677: key = KEYC_MOUSEDRAG2_BORDER;
678: break;
679: case 2:
680: if (where == PANE)
681: key = KEYC_MOUSEDRAG3_PANE;
682: if (where == STATUS)
683: key = KEYC_MOUSEDRAG3_STATUS;
1.258 nicm 684: if (where == STATUS_LEFT)
685: key = KEYC_MOUSEDRAG3_STATUS_LEFT;
686: if (where == STATUS_RIGHT)
687: key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
1.131 nicm 688: if (where == BORDER)
689: key = KEYC_MOUSEDRAG3_BORDER;
690: break;
691: }
692: }
1.66 nicm 693:
1.182 nicm 694: /*
695: * Begin a drag by setting the flag to a non-zero value that
696: * corresponds to the mouse button in use.
697: */
698: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 699: break;
700: case WHEEL:
701: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
702: if (where == PANE)
703: key = KEYC_WHEELUP_PANE;
704: if (where == STATUS)
705: key = KEYC_WHEELUP_STATUS;
1.258 nicm 706: if (where == STATUS_LEFT)
707: key = KEYC_WHEELUP_STATUS_LEFT;
708: if (where == STATUS_RIGHT)
709: key = KEYC_WHEELUP_STATUS_RIGHT;
1.131 nicm 710: if (where == BORDER)
711: key = KEYC_WHEELUP_BORDER;
712: } else {
713: if (where == PANE)
714: key = KEYC_WHEELDOWN_PANE;
715: if (where == STATUS)
716: key = KEYC_WHEELDOWN_STATUS;
717: if (where == BORDER)
718: key = KEYC_WHEELDOWN_BORDER;
719: }
720: break;
721: case UP:
722: switch (MOUSE_BUTTONS(b)) {
723: case 0:
724: if (where == PANE)
725: key = KEYC_MOUSEUP1_PANE;
726: if (where == STATUS)
727: key = KEYC_MOUSEUP1_STATUS;
1.258 nicm 728: if (where == STATUS_LEFT)
729: key = KEYC_MOUSEUP1_STATUS_LEFT;
730: if (where == STATUS_RIGHT)
731: key = KEYC_MOUSEUP1_STATUS_RIGHT;
1.131 nicm 732: if (where == BORDER)
733: key = KEYC_MOUSEUP1_BORDER;
734: break;
735: case 1:
736: if (where == PANE)
737: key = KEYC_MOUSEUP2_PANE;
738: if (where == STATUS)
739: key = KEYC_MOUSEUP2_STATUS;
1.258 nicm 740: if (where == STATUS_LEFT)
741: key = KEYC_MOUSEUP2_STATUS_LEFT;
742: if (where == STATUS_RIGHT)
743: key = KEYC_MOUSEUP2_STATUS_RIGHT;
1.131 nicm 744: if (where == BORDER)
745: key = KEYC_MOUSEUP2_BORDER;
746: break;
747: case 2:
748: if (where == PANE)
749: key = KEYC_MOUSEUP3_PANE;
750: if (where == STATUS)
751: key = KEYC_MOUSEUP3_STATUS;
1.258 nicm 752: if (where == STATUS_LEFT)
753: key = KEYC_MOUSEUP3_STATUS_LEFT;
754: if (where == STATUS_RIGHT)
755: key = KEYC_MOUSEUP3_STATUS_RIGHT;
1.131 nicm 756: if (where == BORDER)
757: key = KEYC_MOUSEUP3_BORDER;
758: break;
759: }
760: break;
761: case DOWN:
762: switch (MOUSE_BUTTONS(b)) {
763: case 0:
764: if (where == PANE)
765: key = KEYC_MOUSEDOWN1_PANE;
766: if (where == STATUS)
767: key = KEYC_MOUSEDOWN1_STATUS;
1.258 nicm 768: if (where == STATUS_LEFT)
769: key = KEYC_MOUSEDOWN1_STATUS_LEFT;
770: if (where == STATUS_RIGHT)
771: key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
1.131 nicm 772: if (where == BORDER)
773: key = KEYC_MOUSEDOWN1_BORDER;
774: break;
775: case 1:
776: if (where == PANE)
777: key = KEYC_MOUSEDOWN2_PANE;
778: if (where == STATUS)
779: key = KEYC_MOUSEDOWN2_STATUS;
1.258 nicm 780: if (where == STATUS_LEFT)
781: key = KEYC_MOUSEDOWN2_STATUS_LEFT;
782: if (where == STATUS_RIGHT)
783: key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
1.131 nicm 784: if (where == BORDER)
785: key = KEYC_MOUSEDOWN2_BORDER;
786: break;
787: case 2:
788: if (where == PANE)
789: key = KEYC_MOUSEDOWN3_PANE;
790: if (where == STATUS)
791: key = KEYC_MOUSEDOWN3_STATUS;
1.258 nicm 792: if (where == STATUS_LEFT)
793: key = KEYC_MOUSEDOWN3_STATUS_LEFT;
794: if (where == STATUS_RIGHT)
795: key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
1.131 nicm 796: if (where == BORDER)
797: key = KEYC_MOUSEDOWN3_BORDER;
798: break;
1.66 nicm 799: }
1.131 nicm 800: break;
1.192 nicm 801: case DOUBLE:
802: switch (MOUSE_BUTTONS(b)) {
803: case 0:
804: if (where == PANE)
805: key = KEYC_DOUBLECLICK1_PANE;
806: if (where == STATUS)
807: key = KEYC_DOUBLECLICK1_STATUS;
1.258 nicm 808: if (where == STATUS_LEFT)
809: key = KEYC_DOUBLECLICK1_STATUS_LEFT;
810: if (where == STATUS_RIGHT)
811: key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
1.192 nicm 812: if (where == BORDER)
813: key = KEYC_DOUBLECLICK1_BORDER;
814: break;
815: case 1:
816: if (where == PANE)
817: key = KEYC_DOUBLECLICK2_PANE;
818: if (where == STATUS)
819: key = KEYC_DOUBLECLICK2_STATUS;
1.258 nicm 820: if (where == STATUS_LEFT)
821: key = KEYC_DOUBLECLICK2_STATUS_LEFT;
822: if (where == STATUS_RIGHT)
823: key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
1.192 nicm 824: if (where == BORDER)
825: key = KEYC_DOUBLECLICK2_BORDER;
826: break;
827: case 2:
828: if (where == PANE)
829: key = KEYC_DOUBLECLICK3_PANE;
830: if (where == STATUS)
831: key = KEYC_DOUBLECLICK3_STATUS;
1.258 nicm 832: if (where == STATUS_LEFT)
833: key = KEYC_DOUBLECLICK3_STATUS_LEFT;
834: if (where == STATUS_RIGHT)
835: key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
1.192 nicm 836: if (where == BORDER)
837: key = KEYC_DOUBLECLICK3_BORDER;
838: break;
839: }
840: break;
841: case TRIPLE:
842: switch (MOUSE_BUTTONS(b)) {
843: case 0:
844: if (where == PANE)
845: key = KEYC_TRIPLECLICK1_PANE;
846: if (where == STATUS)
847: key = KEYC_TRIPLECLICK1_STATUS;
1.258 nicm 848: if (where == STATUS_LEFT)
849: key = KEYC_TRIPLECLICK1_STATUS_LEFT;
850: if (where == STATUS_RIGHT)
851: key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
1.192 nicm 852: if (where == BORDER)
853: key = KEYC_TRIPLECLICK1_BORDER;
854: break;
855: case 1:
856: if (where == PANE)
857: key = KEYC_TRIPLECLICK2_PANE;
858: if (where == STATUS)
859: key = KEYC_TRIPLECLICK2_STATUS;
1.258 nicm 860: if (where == STATUS_LEFT)
861: key = KEYC_TRIPLECLICK2_STATUS_LEFT;
862: if (where == STATUS_RIGHT)
863: key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
1.192 nicm 864: if (where == BORDER)
865: key = KEYC_TRIPLECLICK2_BORDER;
866: break;
867: case 2:
868: if (where == PANE)
869: key = KEYC_TRIPLECLICK3_PANE;
870: if (where == STATUS)
871: key = KEYC_TRIPLECLICK3_STATUS;
1.258 nicm 872: if (where == STATUS_LEFT)
873: key = KEYC_TRIPLECLICK3_STATUS_LEFT;
874: if (where == STATUS_RIGHT)
875: key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
1.192 nicm 876: if (where == BORDER)
877: key = KEYC_TRIPLECLICK3_BORDER;
878: break;
879: }
880: break;
1.66 nicm 881: }
1.177 nicm 882: if (key == KEYC_UNKNOWN)
883: return (KEYC_UNKNOWN);
1.66 nicm 884:
1.131 nicm 885: /* Apply modifiers if any. */
886: if (b & MOUSE_MASK_META)
887: key |= KEYC_ESCAPE;
888: if (b & MOUSE_MASK_CTRL)
889: key |= KEYC_CTRL;
890: if (b & MOUSE_MASK_SHIFT)
891: key |= KEYC_SHIFT;
1.66 nicm 892:
1.131 nicm 893: return (key);
1.66 nicm 894: }
895:
1.82 nicm 896: /* Is this fast enough to probably be a paste? */
1.190 nicm 897: static int
1.82 nicm 898: server_client_assume_paste(struct session *s)
899: {
900: struct timeval tv;
1.84 nicm 901: int t;
1.82 nicm 902:
1.163 nicm 903: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 904: return (0);
1.82 nicm 905:
906: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 907: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
908: log_debug("session %s pasting (flag %d)", s->name,
909: !!(s->flags & SESSION_PASTING));
910: if (s->flags & SESSION_PASTING)
911: return (1);
912: s->flags |= SESSION_PASTING;
913: return (0);
914: }
915: log_debug("session %s not pasting", s->name);
916: s->flags &= ~SESSION_PASTING;
1.83 nicm 917: return (0);
1.82 nicm 918: }
919:
1.18 nicm 920: /* Handle data key input from client. */
921: void
1.168 nicm 922: server_client_handle_key(struct client *c, key_code key)
1.18 nicm 923: {
1.131 nicm 924: struct mouse_event *m = &c->tty.mouse;
1.132 nicm 925: struct session *s = c->session;
1.264 nicm 926: struct winlink *wl;
1.18 nicm 927: struct window *w;
928: struct window_pane *wp;
929: struct timeval tv;
1.223 nicm 930: struct key_table *table, *first;
1.266 ! nicm 931: const char *tablename;
1.254 nicm 932: struct key_binding *bd;
1.238 nicm 933: int xtimeout, flags;
1.201 nicm 934: struct cmd_find_state fs;
1.239 nicm 935: key_code key0;
1.18 nicm 936:
937: /* Check the client is good to accept input. */
1.132 nicm 938: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.18 nicm 939: return;
1.264 nicm 940: wl = s->curw;
941: w = wl->window;
1.18 nicm 942:
943: /* Update the activity timer. */
944: if (gettimeofday(&c->activity_time, NULL) != 0)
945: fatal("gettimeofday failed");
1.149 nicm 946: session_update_activity(s, &c->activity_time);
1.18 nicm 947:
1.132 nicm 948: /* Number keys jump to pane in identify mode. */
1.25 nicm 949: if (c->flags & CLIENT_IDENTIFY && key >= '0' && key <= '9') {
1.30 nicm 950: if (c->flags & CLIENT_READONLY)
951: return;
1.95 nicm 952: window_unzoom(w);
1.18 nicm 953: wp = window_pane_at_index(w, key - '0');
1.214 nicm 954: server_client_clear_identify(c, wp);
1.18 nicm 955: return;
956: }
957:
958: /* Handle status line. */
1.30 nicm 959: if (!(c->flags & CLIENT_READONLY)) {
960: status_message_clear(c);
1.214 nicm 961: server_client_clear_identify(c, NULL);
1.30 nicm 962: }
1.18 nicm 963: if (c->prompt_string != NULL) {
1.193 nicm 964: if (c->flags & CLIENT_READONLY)
965: return;
966: if (status_prompt_key(c, key) == 0)
967: return;
1.18 nicm 968: }
969:
970: /* Check for mouse keys. */
1.204 nicm 971: m->valid = 0;
1.18 nicm 972: if (key == KEYC_MOUSE) {
1.30 nicm 973: if (c->flags & CLIENT_READONLY)
974: return;
1.131 nicm 975: key = server_client_check_mouse(c);
1.177 nicm 976: if (key == KEYC_UNKNOWN)
1.131 nicm 977: return;
978:
979: m->valid = 1;
980: m->key = key;
1.203 nicm 981:
982: /*
1.204 nicm 983: * Mouse drag is in progress, so fire the callback (now that
984: * the mouse event is valid).
1.203 nicm 985: */
1.204 nicm 986: if (key == KEYC_DRAGGING) {
987: c->tty.mouse_drag_update(c, m);
1.203 nicm 988: return;
1.204 nicm 989: }
1.131 nicm 990: } else
991: m->valid = 0;
1.18 nicm 992:
1.202 nicm 993: /* Find affected pane. */
1.243 nicm 994: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
995: cmd_find_from_session(&fs, s, 0);
1.227 nicm 996: wp = fs.wp;
1.202 nicm 997:
998: /* Forward mouse keys if disabled. */
1.206 nicm 999: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 1000: goto forward_key;
1.202 nicm 1001:
1.132 nicm 1002: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1003: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1004: goto forward_key;
1.18 nicm 1005:
1.191 nicm 1006: /*
1007: * Work out the current key table. If the pane is in a mode, use
1008: * the mode table instead of the default key table.
1009: */
1.223 nicm 1010: if (server_client_is_default_key_table(c, c->keytable) &&
1011: wp != NULL &&
1012: wp->mode != NULL &&
1.266 ! nicm 1013: wp->mode->mode->key_table != NULL) {
! 1014: tablename = wp->mode->mode->key_table(wp->mode);
! 1015: table = key_bindings_get_table(tablename, 1);
! 1016: }
1.223 nicm 1017: else
1.191 nicm 1018: table = c->keytable;
1.223 nicm 1019: first = table;
1.191 nicm 1020:
1.253 nicm 1021: table_changed:
1.205 nicm 1022: /*
1023: * The prefix always takes precedence and forces a switch to the prefix
1024: * table, unless we are already there.
1025: */
1.252 nicm 1026: key0 = (key & ~KEYC_XTERM);
1.239 nicm 1027: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1028: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1029: strcmp(table->name, "prefix") != 0) {
1030: server_client_set_key_table(c, "prefix");
1031: server_status_client(c);
1032: return;
1033: }
1.238 nicm 1034: flags = c->flags;
1.205 nicm 1035:
1.262 nicm 1036: try_again:
1.223 nicm 1037: /* Log key table. */
1038: if (wp == NULL)
1039: log_debug("key table %s (no pane)", table->name);
1040: else
1041: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1042: if (c->flags & CLIENT_REPEAT)
1043: log_debug("currently repeating");
1.223 nicm 1044:
1.132 nicm 1045: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1046: bd = key_bindings_get(table, key0);
1.132 nicm 1047: if (bd != NULL) {
1048: /*
1049: * Key was matched in this table. If currently repeating but a
1050: * non-repeating binding was found, stop repeating and try
1051: * again in the root table.
1052: */
1.222 nicm 1053: if ((c->flags & CLIENT_REPEAT) &&
1054: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1055: log_debug("found in key table %s (not repeating)",
1056: table->name);
1.178 nicm 1057: server_client_set_key_table(c, NULL);
1.262 nicm 1058: first = table = c->keytable;
1.132 nicm 1059: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1060: server_status_client(c);
1.253 nicm 1061: goto table_changed;
1.18 nicm 1062: }
1.223 nicm 1063: log_debug("found in key table %s", table->name);
1.82 nicm 1064:
1.132 nicm 1065: /*
1066: * Take a reference to this table to make sure the key binding
1067: * doesn't disappear.
1068: */
1069: table->references++;
1070:
1071: /*
1072: * If this is a repeating key, start the timer. Otherwise reset
1073: * the client back to the root table.
1074: */
1.163 nicm 1075: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1076: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1077: c->flags |= CLIENT_REPEAT;
1078:
1079: tv.tv_sec = xtimeout / 1000;
1080: tv.tv_usec = (xtimeout % 1000) * 1000L;
1081: evtimer_del(&c->repeat_timer);
1082: evtimer_add(&c->repeat_timer, &tv);
1083: } else {
1.18 nicm 1084: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1085: server_client_set_key_table(c, NULL);
1.18 nicm 1086: }
1.132 nicm 1087: server_status_client(c);
1088:
1.227 nicm 1089: /* Execute the key binding. */
1.231 nicm 1090: key_bindings_dispatch(bd, NULL, c, m, &fs);
1.132 nicm 1091: key_bindings_unref_table(table);
1.18 nicm 1092: return;
1093: }
1094:
1.132 nicm 1095: /*
1.253 nicm 1096: * No match, try the ANY key.
1097: */
1098: if (key0 != KEYC_ANY) {
1099: key0 = KEYC_ANY;
1100: goto try_again;
1101: }
1102:
1103: /*
1.223 nicm 1104: * No match in this table. If not in the root table or if repeating,
1105: * switch the client back to the root table and try again.
1.132 nicm 1106: */
1.223 nicm 1107: log_debug("not found in key table %s", table->name);
1108: if (!server_client_is_default_key_table(c, table) ||
1109: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1110: log_debug("trying in root table");
1.178 nicm 1111: server_client_set_key_table(c, NULL);
1.262 nicm 1112: table = c->keytable;
1113: if (c->flags & CLIENT_REPEAT)
1114: first = table;
1.18 nicm 1115: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1116: server_status_client(c);
1.253 nicm 1117: goto table_changed;
1.18 nicm 1118: }
1119:
1.223 nicm 1120: /*
1121: * No match in the root table either. If this wasn't the first table
1122: * tried, don't pass the key to the pane.
1123: */
1.238 nicm 1124: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1125: server_client_set_key_table(c, NULL);
1.132 nicm 1126: server_status_client(c);
1.161 nicm 1127: return;
1128: }
1129:
1.253 nicm 1130: forward_key:
1.161 nicm 1131: if (c->flags & CLIENT_READONLY)
1132: return;
1133: if (wp != NULL)
1.264 nicm 1134: window_pane_key(wp, c, s, wl, key, m);
1.18 nicm 1135: }
1136:
1.2 nicm 1137: /* Client functions that need to happen every loop. */
1138: void
1139: server_client_loop(void)
1140: {
1141: struct client *c;
1142: struct window *w;
1143: struct window_pane *wp;
1.197 nicm 1144: int focus;
1.2 nicm 1145:
1.135 nicm 1146: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1147: server_client_check_exit(c);
1148: if (c->session != NULL) {
1149: server_client_check_redraw(c);
1150: server_client_reset_state(c);
1151: }
1.2 nicm 1152: }
1153:
1154: /*
1155: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1156: * their flags now. Also check pane focus and resize.
1.2 nicm 1157: */
1.197 nicm 1158: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1159: RB_FOREACH(w, windows, &windows) {
1.91 nicm 1160: TAILQ_FOREACH(wp, &w->panes, entry) {
1.101 nicm 1161: if (wp->fd != -1) {
1.197 nicm 1162: if (focus)
1163: server_client_check_focus(wp);
1.101 nicm 1164: server_client_check_resize(wp);
1165: }
1.2 nicm 1166: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1167: }
1.150 nicm 1168: check_window_name(w);
1.2 nicm 1169: }
1.92 nicm 1170: }
1171:
1.237 nicm 1172: /* Check if we need to force a resize. */
1173: static int
1174: server_client_resize_force(struct window_pane *wp)
1175: {
1176: struct timeval tv = { .tv_usec = 100000 };
1177: struct winsize ws;
1178:
1179: /*
1180: * If we are resizing to the same size as when we entered the loop
1181: * (that is, to the same size the application currently thinks it is),
1182: * tmux may have gone through several resizes internally and thrown
1183: * away parts of the screen. So we need the application to actually
1184: * redraw even though its final size has not changed.
1185: */
1186:
1187: if (wp->flags & PANE_RESIZEFORCE) {
1188: wp->flags &= ~PANE_RESIZEFORCE;
1189: return (0);
1190: }
1191:
1192: if (wp->sx != wp->osx ||
1193: wp->sy != wp->osy ||
1194: wp->sx <= 1 ||
1195: wp->sy <= 1)
1196: return (0);
1197:
1198: memset(&ws, 0, sizeof ws);
1199: ws.ws_col = wp->sx;
1200: ws.ws_row = wp->sy - 1;
1.244 nicm 1201: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.237 nicm 1202: fatal("ioctl failed");
1203: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1204:
1205: evtimer_add(&wp->resize_timer, &tv);
1206: wp->flags |= PANE_RESIZEFORCE;
1207: return (1);
1208: }
1209:
1.211 nicm 1210: /* Resize timer event. */
1.188 nicm 1211: static void
1212: server_client_resize_event(__unused int fd, __unused short events, void *data)
1.92 nicm 1213: {
1.188 nicm 1214: struct window_pane *wp = data;
1215: struct winsize ws;
1216:
1217: evtimer_del(&wp->resize_timer);
1.92 nicm 1218:
1.101 nicm 1219: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 1220: return;
1.237 nicm 1221: if (server_client_resize_force(wp))
1222: return;
1.235 nicm 1223:
1.92 nicm 1224: memset(&ws, 0, sizeof ws);
1225: ws.ws_col = wp->sx;
1226: ws.ws_row = wp->sy;
1.244 nicm 1227: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 1228: fatal("ioctl failed");
1.235 nicm 1229: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.92 nicm 1230:
1231: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1232:
1233: wp->osx = wp->sx;
1234: wp->osy = wp->sy;
1.188 nicm 1235: }
1236:
1237: /* Check if pane should be resized. */
1.190 nicm 1238: static void
1.188 nicm 1239: server_client_check_resize(struct window_pane *wp)
1240: {
1241: struct timeval tv = { .tv_usec = 250000 };
1242:
1243: if (!(wp->flags & PANE_RESIZE))
1244: return;
1.235 nicm 1245: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.188 nicm 1246:
1247: if (!event_initialized(&wp->resize_timer))
1248: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1249:
1250: /*
1251: * The first resize should happen immediately, so if the timer is not
1252: * running, do it now.
1253: */
1254: if (!evtimer_pending(&wp->resize_timer, NULL))
1255: server_client_resize_event(-1, 0, wp);
1256:
1257: /*
1258: * If the pane is in the alternate screen, let the timer expire and
1259: * resize to give the application a chance to redraw. If not, keep
1260: * pushing the timer back.
1261: */
1262: if (wp->saved_grid != NULL && evtimer_pending(&wp->resize_timer, NULL))
1263: return;
1264: evtimer_del(&wp->resize_timer);
1265: evtimer_add(&wp->resize_timer, &tv);
1.91 nicm 1266: }
1267:
1268: /* Check whether pane should be focused. */
1.190 nicm 1269: static void
1.91 nicm 1270: server_client_check_focus(struct window_pane *wp)
1271: {
1.93 nicm 1272: struct client *c;
1.102 nicm 1273: int push;
1274:
1275: /* Do we need to push the focus state? */
1276: push = wp->flags & PANE_FOCUSPUSH;
1277: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1278:
1279: /* If we're not the active pane in our window, we're not focused. */
1280: if (wp->window->active != wp)
1281: goto not_focused;
1282:
1283: /* If we're in a mode, we're not focused. */
1284: if (wp->screen != &wp->base)
1285: goto not_focused;
1286:
1287: /*
1.93 nicm 1288: * If our window is the current window in any focused clients with an
1289: * attached session, we're focused.
1.91 nicm 1290: */
1.135 nicm 1291: TAILQ_FOREACH(c, &clients, entry) {
1292: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1293: continue;
1.255 nicm 1294: if (c->session->attached == 0)
1.93 nicm 1295: continue;
1296:
1297: if (c->session->curw->window == wp->window)
1.91 nicm 1298: goto focused;
1299: }
1300:
1301: not_focused:
1.251 nicm 1302: if (push || (wp->flags & PANE_FOCUSED)) {
1303: if (wp->base.mode & MODE_FOCUSON)
1304: bufferevent_write(wp->event, "\033[O", 3);
1305: notify_pane("pane-focus-out", wp);
1306: }
1.91 nicm 1307: wp->flags &= ~PANE_FOCUSED;
1308: return;
1309:
1310: focused:
1.251 nicm 1311: if (push || !(wp->flags & PANE_FOCUSED)) {
1312: if (wp->base.mode & MODE_FOCUSON)
1313: bufferevent_write(wp->event, "\033[I", 3);
1314: notify_pane("pane-focus-in", wp);
1315: }
1.91 nicm 1316: wp->flags |= PANE_FOCUSED;
1.2 nicm 1317: }
1318:
1.18 nicm 1319: /*
1320: * Update cursor position and mode settings. The scroll region and attributes
1321: * are cleared when idle (waiting for an event) as this is the most likely time
1322: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1323: * compromise between excessive resets and likelihood of an interrupt.
1324: *
1325: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1326: * things that are already in their default state.
1327: */
1.190 nicm 1328: static void
1.18 nicm 1329: server_client_reset_state(struct client *c)
1.1 nicm 1330: {
1.18 nicm 1331: struct window *w = c->session->curw->window;
1.209 nicm 1332: struct window_pane *wp = w->active, *loop;
1.18 nicm 1333: struct screen *s = wp->screen;
1.163 nicm 1334: struct options *oo = c->session->options;
1.261 nicm 1335: int mode, cursor = 0;
1336: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1337:
1.186 nicm 1338: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1339: return;
1.261 nicm 1340: mode = s->mode;
1.86 nicm 1341:
1.199 nicm 1342: tty_region_off(&c->tty);
1343: tty_margin_off(&c->tty);
1.1 nicm 1344:
1.261 nicm 1345: /* Move cursor to pane cursor and offset. */
1346: cursor = 0;
1347: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1348: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1349: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1350: cursor = 1;
1351:
1352: cx = wp->xoff + s->cx - ox;
1353: cy = wp->yoff + s->cy - oy;
1354:
1355: if (status_at_line(c) == 0)
1356: cy += status_line_size(c);
1357: }
1358: if (!cursor)
1359: mode &= ~MODE_CURSOR;
1360: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1361:
1.50 nicm 1362: /*
1.131 nicm 1363: * Set mouse mode if requested. To support dragging, always use button
1364: * mode.
1.57 nicm 1365: */
1.209 nicm 1366: if (options_get_number(oo, "mouse")) {
1367: mode &= ~ALL_MOUSE_MODES;
1368: TAILQ_FOREACH(loop, &w->panes, entry) {
1369: if (loop->screen->mode & MODE_MOUSE_ALL)
1370: mode |= MODE_MOUSE_ALL;
1371: }
1372: if (~mode & MODE_MOUSE_ALL)
1373: mode |= MODE_MOUSE_BUTTON;
1374: }
1.215 nicm 1375:
1376: /* Clear bracketed paste mode if at the prompt. */
1377: if (c->prompt_string != NULL)
1378: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1379:
1380: /* Set the terminal mode and reset attributes. */
1.59 nicm 1381: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1382: tty_reset(&c->tty);
1.17 nicm 1383: }
1384:
1385: /* Repeat time callback. */
1.190 nicm 1386: static void
1.170 nicm 1387: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1388: {
1389: struct client *c = data;
1390:
1.85 nicm 1391: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1392: server_client_set_key_table(c, NULL);
1.132 nicm 1393: c->flags &= ~CLIENT_REPEAT;
1394: server_status_client(c);
1.85 nicm 1395: }
1.192 nicm 1396: }
1397:
1398: /* Double-click callback. */
1399: static void
1400: server_client_click_timer(__unused int fd, __unused short events, void *data)
1401: {
1402: struct client *c = data;
1403:
1404: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1405: }
1406:
1.36 nicm 1407: /* Check if client should be exited. */
1.190 nicm 1408: static void
1.36 nicm 1409: server_client_check_exit(struct client *c)
1410: {
1411: if (!(c->flags & CLIENT_EXIT))
1412: return;
1413:
1.73 nicm 1414: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
1415: return;
1416: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 1417: return;
1.73 nicm 1418: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 1419: return;
1420:
1.249 nicm 1421: if (c->flags & CLIENT_ATTACHED)
1422: notify_client("client-detached", c);
1.162 nicm 1423: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.36 nicm 1424: c->flags &= ~CLIENT_EXIT;
1.38 nicm 1425: }
1426:
1.218 nicm 1427: /* Redraw timer callback. */
1428: static void
1429: server_client_redraw_timer(__unused int fd, __unused short events,
1430: __unused void* data)
1431: {
1432: log_debug("redraw timer fired");
1433: }
1434:
1.1 nicm 1435: /* Check for client redraws. */
1.190 nicm 1436: static void
1.1 nicm 1437: server_client_check_redraw(struct client *c)
1438: {
1439: struct session *s = c->session;
1.137 nicm 1440: struct tty *tty = &c->tty;
1.1 nicm 1441: struct window_pane *wp;
1.256 nicm 1442: int needed, flags;
1.218 nicm 1443: struct timeval tv = { .tv_usec = 1000 };
1444: static struct event ev;
1445: size_t left;
1.1 nicm 1446:
1.86 nicm 1447: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1448: return;
1.257 nicm 1449: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1450: log_debug("%s: redraw%s%s%s", c->name,
1451: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1452: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1453: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "");
1454: }
1.218 nicm 1455:
1456: /*
1457: * If there is outstanding data, defer the redraw until it has been
1458: * consumed. We can just add a timer to get out of the event loop and
1459: * end up back here.
1460: */
1461: needed = 0;
1.256 nicm 1462: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1463: needed = 1;
1464: else {
1465: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1466: if (wp->flags & PANE_REDRAW) {
1467: needed = 1;
1468: break;
1469: }
1470: }
1471: }
1.241 nicm 1472: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1473: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1474: if (!evtimer_initialized(&ev))
1475: evtimer_set(&ev, server_client_redraw_timer, NULL);
1476: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1477: log_debug("redraw timer started");
1478: evtimer_add(&ev, &tv);
1.241 nicm 1479: }
1.218 nicm 1480:
1.241 nicm 1481: /*
1482: * We may have got here for a single pane redraw, but force a
1483: * full redraw next time in case other panes have been updated.
1484: */
1.256 nicm 1485: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1486: return;
1487: } else if (needed)
1.218 nicm 1488: log_debug("%s: redraw needed", c->name);
1.79 nicm 1489:
1.219 nicm 1490: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1491: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1492:
1.256 nicm 1493: if (~c->flags & CLIENT_REDRAWWINDOW) {
1494: /*
1495: * If not redrawing the entire window, check whether each pane
1496: * needs to be redrawn.
1497: */
1.1 nicm 1498: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1499: if (wp->flags & PANE_REDRAW) {
1500: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1501: screen_redraw_pane(c, wp);
1.137 nicm 1502: }
1.1 nicm 1503: }
1504: }
1505:
1.256 nicm 1506: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1507: if (options_get_number(s->options, "set-titles"))
1508: server_client_set_title(c);
1509: screen_redraw_screen(c);
1510: }
1.1 nicm 1511:
1.137 nicm 1512: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1513: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1514:
1.256 nicm 1515: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1516:
1517: if (needed) {
1518: /*
1519: * We would have deferred the redraw unless the output buffer
1520: * was empty, so we can record how many bytes the redraw
1521: * generated.
1522: */
1523: c->redraw = EVBUFFER_LENGTH(tty->out);
1524: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1525: }
1.1 nicm 1526: }
1527:
1528: /* Set client title. */
1.190 nicm 1529: static void
1.1 nicm 1530: server_client_set_title(struct client *c)
1531: {
1.128 nicm 1532: struct session *s = c->session;
1533: const char *template;
1534: char *title;
1535: struct format_tree *ft;
1.1 nicm 1536:
1.163 nicm 1537: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1538:
1.228 nicm 1539: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1540: format_defaults(ft, c, NULL, NULL, NULL);
1541:
1542: title = format_expand_time(ft, template, time(NULL));
1.1 nicm 1543: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1544: free(c->title);
1.1 nicm 1545: c->title = xstrdup(title);
1546: tty_set_title(&c->tty, c->title);
1547: }
1.77 nicm 1548: free(title);
1.128 nicm 1549:
1550: format_free(ft);
1.1 nicm 1551: }
1552:
1553: /* Dispatch message from client. */
1.190 nicm 1554: static void
1.162 nicm 1555: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1556: {
1.162 nicm 1557: struct client *c = arg;
1.73 nicm 1558: struct msg_stdin_data stdindata;
1.108 nicm 1559: const char *data;
1.162 nicm 1560: ssize_t datalen;
1.149 nicm 1561: struct session *s;
1.1 nicm 1562:
1.162 nicm 1563: if (c->flags & CLIENT_DEAD)
1564: return;
1565:
1566: if (imsg == NULL) {
1567: server_client_lost(c);
1568: return;
1569: }
1.1 nicm 1570:
1.162 nicm 1571: data = imsg->data;
1572: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1573:
1.162 nicm 1574: switch (imsg->hdr.type) {
1575: case MSG_IDENTIFY_FLAGS:
1576: case MSG_IDENTIFY_TERM:
1577: case MSG_IDENTIFY_TTYNAME:
1578: case MSG_IDENTIFY_CWD:
1579: case MSG_IDENTIFY_STDIN:
1580: case MSG_IDENTIFY_ENVIRON:
1581: case MSG_IDENTIFY_CLIENTPID:
1582: case MSG_IDENTIFY_DONE:
1583: server_client_dispatch_identify(c, imsg);
1584: break;
1585: case MSG_COMMAND:
1586: server_client_dispatch_command(c, imsg);
1587: break;
1588: case MSG_STDIN:
1589: if (datalen != sizeof stdindata)
1590: fatalx("bad MSG_STDIN size");
1591: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1592:
1.162 nicm 1593: if (c->stdin_callback == NULL)
1.33 nicm 1594: break;
1.162 nicm 1595: if (stdindata.size <= 0)
1596: c->stdin_closed = 1;
1597: else {
1598: evbuffer_add(c->stdin_data, stdindata.data,
1599: stdindata.size);
1600: }
1601: c->stdin_callback(c, c->stdin_closed,
1602: c->stdin_callback_data);
1603: break;
1604: case MSG_RESIZE:
1605: if (datalen != 0)
1606: fatalx("bad MSG_RESIZE size");
1.1 nicm 1607:
1.162 nicm 1608: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1609: break;
1.236 nicm 1610: tty_resize(&c->tty);
1611: recalculate_sizes();
1612: server_redraw_client(c);
1.174 nicm 1613: if (c->session != NULL)
1.196 nicm 1614: notify_client("client-resized", c);
1.162 nicm 1615: break;
1616: case MSG_EXITING:
1617: if (datalen != 0)
1618: fatalx("bad MSG_EXITING size");
1.1 nicm 1619:
1.162 nicm 1620: c->session = NULL;
1621: tty_close(&c->tty);
1622: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1623: break;
1624: case MSG_WAKEUP:
1625: case MSG_UNLOCK:
1626: if (datalen != 0)
1627: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1628:
1.162 nicm 1629: if (!(c->flags & CLIENT_SUSPENDED))
1630: break;
1631: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1632:
1.162 nicm 1633: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1634: break;
1.162 nicm 1635: s = c->session;
1.1 nicm 1636:
1.162 nicm 1637: if (gettimeofday(&c->activity_time, NULL) != 0)
1638: fatal("gettimeofday failed");
1639:
1640: tty_start_tty(&c->tty);
1641: server_redraw_client(c);
1642: recalculate_sizes();
1.184 nicm 1643:
1644: if (s != NULL)
1645: session_update_activity(s, &c->activity_time);
1.162 nicm 1646: break;
1647: case MSG_SHELL:
1648: if (datalen != 0)
1649: fatalx("bad MSG_SHELL size");
1.1 nicm 1650:
1.162 nicm 1651: server_client_dispatch_shell(c);
1652: break;
1.1 nicm 1653: }
1654: }
1655:
1.194 nicm 1656: /* Callback when command is done. */
1657: static enum cmd_retval
1.195 nicm 1658: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1659: {
1.195 nicm 1660: struct client *c = item->client;
1.194 nicm 1661:
1662: if (~c->flags & CLIENT_ATTACHED)
1663: c->flags |= CLIENT_EXIT;
1664: return (CMD_RETURN_NORMAL);
1665: }
1666:
1667: /* Show an error message. */
1668: static enum cmd_retval
1.195 nicm 1669: server_client_command_error(struct cmdq_item *item, void *data)
1.194 nicm 1670: {
1671: char *error = data;
1672:
1.195 nicm 1673: cmdq_error(item, "%s", error);
1.194 nicm 1674: free(error);
1675:
1676: return (CMD_RETURN_NORMAL);
1677: }
1678:
1.1 nicm 1679: /* Handle command message. */
1.190 nicm 1680: static void
1.162 nicm 1681: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1682: {
1.108 nicm 1683: struct msg_command_data data;
1684: char *buf;
1685: size_t len;
1686: struct cmd_list *cmdlist = NULL;
1687: int argc;
1688: char **argv, *cause;
1.246 nicm 1689:
1690: if (c->flags & CLIENT_EXIT)
1691: return;
1.108 nicm 1692:
1693: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1694: fatalx("bad MSG_COMMAND size");
1695: memcpy(&data, imsg->data, sizeof data);
1696:
1.124 nicm 1697: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1698: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1699: if (len > 0 && buf[len - 1] != '\0')
1700: fatalx("bad MSG_COMMAND string");
1701:
1702: argc = data.argc;
1703: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1704: cause = xstrdup("command too long");
1.1 nicm 1705: goto error;
1706: }
1707:
1708: if (argc == 0) {
1709: argc = 1;
1710: argv = xcalloc(1, sizeof *argv);
1711: *argv = xstrdup("new-session");
1712: }
1713:
1.94 nicm 1714: if ((cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause)) == NULL) {
1.1 nicm 1715: cmd_free_argv(argc, argv);
1716: goto error;
1717: }
1718: cmd_free_argv(argc, argv);
1719:
1.194 nicm 1720: cmdq_append(c, cmdq_get_command(cmdlist, NULL, NULL, 0));
1721: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.1 nicm 1722: cmd_list_free(cmdlist);
1723: return;
1724:
1725: error:
1.194 nicm 1726: cmdq_append(c, cmdq_get_callback(server_client_command_error, cause));
1727:
1.1 nicm 1728: if (cmdlist != NULL)
1729: cmd_list_free(cmdlist);
1.88 nicm 1730:
1.36 nicm 1731: c->flags |= CLIENT_EXIT;
1.1 nicm 1732: }
1733:
1734: /* Handle identify message. */
1.190 nicm 1735: static void
1.162 nicm 1736: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1737: {
1.165 nicm 1738: const char *data, *home;
1.232 nicm 1739: size_t datalen;
1.109 nicm 1740: int flags;
1.216 nicm 1741: char *name;
1.109 nicm 1742:
1743: if (c->flags & CLIENT_IDENTIFIED)
1744: fatalx("out-of-order identify message");
1745:
1746: data = imsg->data;
1747: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1748:
1749: switch (imsg->hdr.type) {
1750: case MSG_IDENTIFY_FLAGS:
1751: if (datalen != sizeof flags)
1752: fatalx("bad MSG_IDENTIFY_FLAGS size");
1753: memcpy(&flags, data, sizeof flags);
1754: c->flags |= flags;
1.158 nicm 1755: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1756: break;
1757: case MSG_IDENTIFY_TERM:
1.110 nicm 1758: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1759: fatalx("bad MSG_IDENTIFY_TERM string");
1760: c->term = xstrdup(data);
1.158 nicm 1761: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1762: break;
1763: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1764: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1765: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1766: c->ttyname = xstrdup(data);
1.158 nicm 1767: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1768: break;
1769: case MSG_IDENTIFY_CWD:
1.155 nicm 1770: if (datalen == 0 || data[datalen - 1] != '\0')
1771: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1772: if (access(data, X_OK) == 0)
1773: c->cwd = xstrdup(data);
1774: else if ((home = find_home()) != NULL)
1775: c->cwd = xstrdup(home);
1776: else
1777: c->cwd = xstrdup("/");
1.158 nicm 1778: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1779: break;
1780: case MSG_IDENTIFY_STDIN:
1781: if (datalen != 0)
1782: fatalx("bad MSG_IDENTIFY_STDIN size");
1783: c->fd = imsg->fd;
1.158 nicm 1784: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1785: break;
1786: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1787: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1788: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1789: if (strchr(data, '=') != NULL)
1.164 nicm 1790: environ_put(c->environ, data);
1.158 nicm 1791: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1792: break;
1793: case MSG_IDENTIFY_CLIENTPID:
1794: if (datalen != sizeof c->pid)
1795: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1796: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1797: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1798: break;
1799: default:
1800: break;
1801: }
1802:
1803: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1804: return;
1805: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1806:
1.216 nicm 1807: if (*c->ttyname != '\0')
1808: name = xstrdup(c->ttyname);
1809: else
1810: xasprintf(&name, "client-%ld", (long)c->pid);
1811: c->name = name;
1812: log_debug("client %p name is %s", c, c->name);
1813:
1.109 nicm 1814: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1815: c->stdin_callback = control_callback;
1.109 nicm 1816:
1.97 nicm 1817: evbuffer_free(c->stderr_data);
1818: c->stderr_data = c->stdout_data;
1.109 nicm 1819:
1820: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1821: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.162 nicm 1822: proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
1.75 nicm 1823:
1824: c->tty.fd = -1;
1825:
1.109 nicm 1826: close(c->fd);
1827: c->fd = -1;
1828:
1.75 nicm 1829: return;
1830: }
1.1 nicm 1831:
1.109 nicm 1832: if (c->fd == -1)
1.104 nicm 1833: return;
1.145 nicm 1834: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1.109 nicm 1835: close(c->fd);
1836: c->fd = -1;
1.80 nicm 1837: return;
1838: }
1.109 nicm 1839: if (c->flags & CLIENT_UTF8)
1.1 nicm 1840: c->tty.flags |= TTY_UTF8;
1.109 nicm 1841: if (c->flags & CLIENT_256COLOURS)
1.1 nicm 1842: c->tty.term_flags |= TERM_256COLOURS;
1843:
1844: tty_resize(&c->tty);
1845:
1.109 nicm 1846: if (!(c->flags & CLIENT_CONTROL))
1.86 nicm 1847: c->flags |= CLIENT_TERMINAL;
1.1 nicm 1848: }
1849:
1850: /* Handle shell message. */
1.190 nicm 1851: static void
1.162 nicm 1852: server_client_dispatch_shell(struct client *c)
1.1 nicm 1853: {
1.107 nicm 1854: const char *shell;
1.25 nicm 1855:
1.163 nicm 1856: shell = options_get_string(global_s_options, "default-shell");
1.1 nicm 1857: if (*shell == '\0' || areshell(shell))
1858: shell = _PATH_BSHELL;
1.240 nicm 1859: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 1860:
1.162 nicm 1861: proc_kill_peer(c->peer);
1.169 nicm 1862: }
1863:
1864: /* Event callback to push more stdout data if any left. */
1865: static void
1.170 nicm 1866: server_client_stdout_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1867: {
1868: struct client *c = arg;
1869:
1870: if (~c->flags & CLIENT_DEAD)
1871: server_client_push_stdout(c);
1872: server_client_unref(c);
1873: }
1874:
1875: /* Push stdout to client if possible. */
1876: void
1877: server_client_push_stdout(struct client *c)
1878: {
1879: struct msg_stdout_data data;
1.232 nicm 1880: size_t sent, left;
1.169 nicm 1881:
1882: left = EVBUFFER_LENGTH(c->stdout_data);
1883: while (left != 0) {
1884: sent = left;
1885: if (sent > sizeof data.data)
1886: sent = sizeof data.data;
1887: memcpy(data.data, EVBUFFER_DATA(c->stdout_data), sent);
1888: data.size = sent;
1889:
1890: if (proc_send(c->peer, MSG_STDOUT, -1, &data, sizeof data) != 0)
1891: break;
1892: evbuffer_drain(c->stdout_data, sent);
1893:
1894: left = EVBUFFER_LENGTH(c->stdout_data);
1895: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1896: sent, left);
1897: }
1898: if (left != 0) {
1899: c->references++;
1900: event_once(-1, EV_TIMEOUT, server_client_stdout_cb, c, NULL);
1901: log_debug("%s: client %p, queued", __func__, c);
1902: }
1903: }
1904:
1905: /* Event callback to push more stderr data if any left. */
1906: static void
1.170 nicm 1907: server_client_stderr_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1908: {
1909: struct client *c = arg;
1910:
1911: if (~c->flags & CLIENT_DEAD)
1912: server_client_push_stderr(c);
1913: server_client_unref(c);
1914: }
1915:
1916: /* Push stderr to client if possible. */
1917: void
1918: server_client_push_stderr(struct client *c)
1919: {
1920: struct msg_stderr_data data;
1.232 nicm 1921: size_t sent, left;
1.169 nicm 1922:
1923: if (c->stderr_data == c->stdout_data) {
1924: server_client_push_stdout(c);
1925: return;
1926: }
1927:
1928: left = EVBUFFER_LENGTH(c->stderr_data);
1929: while (left != 0) {
1930: sent = left;
1931: if (sent > sizeof data.data)
1932: sent = sizeof data.data;
1933: memcpy(data.data, EVBUFFER_DATA(c->stderr_data), sent);
1934: data.size = sent;
1935:
1936: if (proc_send(c->peer, MSG_STDERR, -1, &data, sizeof data) != 0)
1937: break;
1938: evbuffer_drain(c->stderr_data, sent);
1939:
1940: left = EVBUFFER_LENGTH(c->stderr_data);
1941: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1942: sent, left);
1943: }
1944: if (left != 0) {
1945: c->references++;
1946: event_once(-1, EV_TIMEOUT, server_client_stderr_cb, c, NULL);
1947: log_debug("%s: client %p, queued", __func__, c);
1.212 nicm 1948: }
1949: }
1950:
1951: /* Add to client message log. */
1952: void
1953: server_client_add_message(struct client *c, const char *fmt, ...)
1954: {
1955: struct message_entry *msg, *msg1;
1956: char *s;
1957: va_list ap;
1958: u_int limit;
1959:
1960: va_start(ap, fmt);
1961: xvasprintf(&s, fmt, ap);
1962: va_end(ap);
1963:
1.216 nicm 1964: log_debug("message %s (client %p)", s, c);
1.212 nicm 1965:
1966: msg = xcalloc(1, sizeof *msg);
1967: msg->msg_time = time(NULL);
1968: msg->msg_num = c->message_next++;
1969: msg->msg = s;
1970: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1971:
1972: limit = options_get_number(global_options, "message-limit");
1973: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1974: if (msg->msg_num + limit >= c->message_next)
1975: break;
1976: free(msg->msg);
1977: TAILQ_REMOVE(&c->message_log, msg, entry);
1978: free(msg);
1.169 nicm 1979: }
1.213 nicm 1980: }
1981:
1982: /* Get client working directory. */
1983: const char *
1.250 nicm 1984: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 1985: {
1.250 nicm 1986: const char *home;
1.213 nicm 1987:
1.265 nicm 1988: if (!cfg_finished && cfg_client != NULL)
1989: return (cfg_client->cwd);
1.213 nicm 1990: if (c != NULL && c->session == NULL && c->cwd != NULL)
1991: return (c->cwd);
1.250 nicm 1992: if (s != NULL && s->cwd != NULL)
1993: return (s->cwd);
1.213 nicm 1994: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
1995: return (s->cwd);
1.250 nicm 1996: if ((home = find_home()) != NULL)
1997: return (home);
1998: return ("/");
1.213 nicm 1999: }
2000:
2001: /* Resolve an absolute path or relative to client working directory. */
2002: char *
2003: server_client_get_path(struct client *c, const char *file)
2004: {
2005: char *path, resolved[PATH_MAX];
2006:
2007: if (*file == '/')
2008: path = xstrdup(file);
2009: else
1.250 nicm 2010: xasprintf(&path, "%s/%s", server_client_get_cwd(c, NULL), file);
1.213 nicm 2011: if (realpath(path, resolved) == NULL)
2012: return (path);
2013: free(path);
2014: return (xstrdup(resolved));
1.1 nicm 2015: }
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