Annotation of src/usr.bin/tmux/server-client.c, Revision 1.264
1.264 ! nicm 1: /* $OpenBSD: server-client.c,v 1.263 2018/11/19 13:35:41 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;
1.254 nicm 931: struct key_binding *bd;
1.238 nicm 932: int xtimeout, flags;
1.201 nicm 933: struct cmd_find_state fs;
1.239 nicm 934: key_code key0;
1.18 nicm 935:
936: /* Check the client is good to accept input. */
1.132 nicm 937: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.18 nicm 938: return;
1.264 ! nicm 939: wl = s->curw;
! 940: w = wl->window;
1.18 nicm 941:
942: /* Update the activity timer. */
943: if (gettimeofday(&c->activity_time, NULL) != 0)
944: fatal("gettimeofday failed");
1.149 nicm 945: session_update_activity(s, &c->activity_time);
1.18 nicm 946:
1.132 nicm 947: /* Number keys jump to pane in identify mode. */
1.25 nicm 948: if (c->flags & CLIENT_IDENTIFY && key >= '0' && key <= '9') {
1.30 nicm 949: if (c->flags & CLIENT_READONLY)
950: return;
1.95 nicm 951: window_unzoom(w);
1.18 nicm 952: wp = window_pane_at_index(w, key - '0');
1.214 nicm 953: server_client_clear_identify(c, wp);
1.18 nicm 954: return;
955: }
956:
957: /* Handle status line. */
1.30 nicm 958: if (!(c->flags & CLIENT_READONLY)) {
959: status_message_clear(c);
1.214 nicm 960: server_client_clear_identify(c, NULL);
1.30 nicm 961: }
1.18 nicm 962: if (c->prompt_string != NULL) {
1.193 nicm 963: if (c->flags & CLIENT_READONLY)
964: return;
965: if (status_prompt_key(c, key) == 0)
966: return;
1.18 nicm 967: }
968:
969: /* Check for mouse keys. */
1.204 nicm 970: m->valid = 0;
1.18 nicm 971: if (key == KEYC_MOUSE) {
1.30 nicm 972: if (c->flags & CLIENT_READONLY)
973: return;
1.131 nicm 974: key = server_client_check_mouse(c);
1.177 nicm 975: if (key == KEYC_UNKNOWN)
1.131 nicm 976: return;
977:
978: m->valid = 1;
979: m->key = key;
1.203 nicm 980:
981: /*
1.204 nicm 982: * Mouse drag is in progress, so fire the callback (now that
983: * the mouse event is valid).
1.203 nicm 984: */
1.204 nicm 985: if (key == KEYC_DRAGGING) {
986: c->tty.mouse_drag_update(c, m);
1.203 nicm 987: return;
1.204 nicm 988: }
1.131 nicm 989: } else
990: m->valid = 0;
1.18 nicm 991:
1.202 nicm 992: /* Find affected pane. */
1.243 nicm 993: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
994: cmd_find_from_session(&fs, s, 0);
1.227 nicm 995: wp = fs.wp;
1.202 nicm 996:
997: /* Forward mouse keys if disabled. */
1.206 nicm 998: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.253 nicm 999: goto forward_key;
1.202 nicm 1000:
1.132 nicm 1001: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 1002: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
1.253 nicm 1003: goto forward_key;
1.18 nicm 1004:
1.191 nicm 1005: /*
1006: * Work out the current key table. If the pane is in a mode, use
1007: * the mode table instead of the default key table.
1008: */
1.223 nicm 1009: if (server_client_is_default_key_table(c, c->keytable) &&
1010: wp != NULL &&
1011: wp->mode != NULL &&
1012: wp->mode->key_table != NULL)
1013: table = key_bindings_get_table(wp->mode->key_table(wp), 1);
1014: else
1.191 nicm 1015: table = c->keytable;
1.223 nicm 1016: first = table;
1.191 nicm 1017:
1.253 nicm 1018: table_changed:
1.205 nicm 1019: /*
1020: * The prefix always takes precedence and forces a switch to the prefix
1021: * table, unless we are already there.
1022: */
1.252 nicm 1023: key0 = (key & ~KEYC_XTERM);
1.239 nicm 1024: if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
1025: key0 == (key_code)options_get_number(s->options, "prefix2")) &&
1.205 nicm 1026: strcmp(table->name, "prefix") != 0) {
1027: server_client_set_key_table(c, "prefix");
1028: server_status_client(c);
1029: return;
1030: }
1.238 nicm 1031: flags = c->flags;
1.205 nicm 1032:
1.262 nicm 1033: try_again:
1.223 nicm 1034: /* Log key table. */
1035: if (wp == NULL)
1036: log_debug("key table %s (no pane)", table->name);
1037: else
1038: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 1039: if (c->flags & CLIENT_REPEAT)
1040: log_debug("currently repeating");
1.223 nicm 1041:
1.132 nicm 1042: /* Try to see if there is a key binding in the current table. */
1.254 nicm 1043: bd = key_bindings_get(table, key0);
1.132 nicm 1044: if (bd != NULL) {
1045: /*
1046: * Key was matched in this table. If currently repeating but a
1047: * non-repeating binding was found, stop repeating and try
1048: * again in the root table.
1049: */
1.222 nicm 1050: if ((c->flags & CLIENT_REPEAT) &&
1051: (~bd->flags & KEY_BINDING_REPEAT)) {
1.262 nicm 1052: log_debug("found in key table %s (not repeating)",
1053: table->name);
1.178 nicm 1054: server_client_set_key_table(c, NULL);
1.262 nicm 1055: first = table = c->keytable;
1.132 nicm 1056: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 1057: server_status_client(c);
1.253 nicm 1058: goto table_changed;
1.18 nicm 1059: }
1.223 nicm 1060: log_debug("found in key table %s", table->name);
1.82 nicm 1061:
1.132 nicm 1062: /*
1063: * Take a reference to this table to make sure the key binding
1064: * doesn't disappear.
1065: */
1066: table->references++;
1067:
1068: /*
1069: * If this is a repeating key, start the timer. Otherwise reset
1070: * the client back to the root table.
1071: */
1.163 nicm 1072: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 1073: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 1074: c->flags |= CLIENT_REPEAT;
1075:
1076: tv.tv_sec = xtimeout / 1000;
1077: tv.tv_usec = (xtimeout % 1000) * 1000L;
1078: evtimer_del(&c->repeat_timer);
1079: evtimer_add(&c->repeat_timer, &tv);
1080: } else {
1.18 nicm 1081: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 1082: server_client_set_key_table(c, NULL);
1.18 nicm 1083: }
1.132 nicm 1084: server_status_client(c);
1085:
1.227 nicm 1086: /* Execute the key binding. */
1.231 nicm 1087: key_bindings_dispatch(bd, NULL, c, m, &fs);
1.132 nicm 1088: key_bindings_unref_table(table);
1.18 nicm 1089: return;
1090: }
1091:
1.132 nicm 1092: /*
1.253 nicm 1093: * No match, try the ANY key.
1094: */
1095: if (key0 != KEYC_ANY) {
1096: key0 = KEYC_ANY;
1097: goto try_again;
1098: }
1099:
1100: /*
1.223 nicm 1101: * No match in this table. If not in the root table or if repeating,
1102: * switch the client back to the root table and try again.
1.132 nicm 1103: */
1.223 nicm 1104: log_debug("not found in key table %s", table->name);
1105: if (!server_client_is_default_key_table(c, table) ||
1106: (c->flags & CLIENT_REPEAT)) {
1.262 nicm 1107: log_debug("trying in root table");
1.178 nicm 1108: server_client_set_key_table(c, NULL);
1.262 nicm 1109: table = c->keytable;
1110: if (c->flags & CLIENT_REPEAT)
1111: first = table;
1.18 nicm 1112: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 1113: server_status_client(c);
1.253 nicm 1114: goto table_changed;
1.18 nicm 1115: }
1116:
1.223 nicm 1117: /*
1118: * No match in the root table either. If this wasn't the first table
1119: * tried, don't pass the key to the pane.
1120: */
1.238 nicm 1121: if (first != table && (~flags & CLIENT_REPEAT)) {
1.178 nicm 1122: server_client_set_key_table(c, NULL);
1.132 nicm 1123: server_status_client(c);
1.161 nicm 1124: return;
1125: }
1126:
1.253 nicm 1127: forward_key:
1.161 nicm 1128: if (c->flags & CLIENT_READONLY)
1129: return;
1130: if (wp != NULL)
1.264 ! nicm 1131: window_pane_key(wp, c, s, wl, key, m);
1.18 nicm 1132: }
1133:
1.2 nicm 1134: /* Client functions that need to happen every loop. */
1135: void
1136: server_client_loop(void)
1137: {
1138: struct client *c;
1139: struct window *w;
1140: struct window_pane *wp;
1.197 nicm 1141: int focus;
1.2 nicm 1142:
1.135 nicm 1143: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1144: server_client_check_exit(c);
1145: if (c->session != NULL) {
1146: server_client_check_redraw(c);
1147: server_client_reset_state(c);
1148: }
1.2 nicm 1149: }
1150:
1151: /*
1152: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1153: * their flags now. Also check pane focus and resize.
1.2 nicm 1154: */
1.197 nicm 1155: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1156: RB_FOREACH(w, windows, &windows) {
1.91 nicm 1157: TAILQ_FOREACH(wp, &w->panes, entry) {
1.101 nicm 1158: if (wp->fd != -1) {
1.197 nicm 1159: if (focus)
1160: server_client_check_focus(wp);
1.101 nicm 1161: server_client_check_resize(wp);
1162: }
1.2 nicm 1163: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1164: }
1.150 nicm 1165: check_window_name(w);
1.2 nicm 1166: }
1.92 nicm 1167: }
1168:
1.237 nicm 1169: /* Check if we need to force a resize. */
1170: static int
1171: server_client_resize_force(struct window_pane *wp)
1172: {
1173: struct timeval tv = { .tv_usec = 100000 };
1174: struct winsize ws;
1175:
1176: /*
1177: * If we are resizing to the same size as when we entered the loop
1178: * (that is, to the same size the application currently thinks it is),
1179: * tmux may have gone through several resizes internally and thrown
1180: * away parts of the screen. So we need the application to actually
1181: * redraw even though its final size has not changed.
1182: */
1183:
1184: if (wp->flags & PANE_RESIZEFORCE) {
1185: wp->flags &= ~PANE_RESIZEFORCE;
1186: return (0);
1187: }
1188:
1189: if (wp->sx != wp->osx ||
1190: wp->sy != wp->osy ||
1191: wp->sx <= 1 ||
1192: wp->sy <= 1)
1193: return (0);
1194:
1195: memset(&ws, 0, sizeof ws);
1196: ws.ws_col = wp->sx;
1197: ws.ws_row = wp->sy - 1;
1.244 nicm 1198: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.237 nicm 1199: fatal("ioctl failed");
1200: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1201:
1202: evtimer_add(&wp->resize_timer, &tv);
1203: wp->flags |= PANE_RESIZEFORCE;
1204: return (1);
1205: }
1206:
1.211 nicm 1207: /* Resize timer event. */
1.188 nicm 1208: static void
1209: server_client_resize_event(__unused int fd, __unused short events, void *data)
1.92 nicm 1210: {
1.188 nicm 1211: struct window_pane *wp = data;
1212: struct winsize ws;
1213:
1214: evtimer_del(&wp->resize_timer);
1.92 nicm 1215:
1.101 nicm 1216: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 1217: return;
1.237 nicm 1218: if (server_client_resize_force(wp))
1219: return;
1.235 nicm 1220:
1.92 nicm 1221: memset(&ws, 0, sizeof ws);
1222: ws.ws_col = wp->sx;
1223: ws.ws_row = wp->sy;
1.244 nicm 1224: if (wp->fd != -1 && ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 1225: fatal("ioctl failed");
1.235 nicm 1226: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.92 nicm 1227:
1228: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1229:
1230: wp->osx = wp->sx;
1231: wp->osy = wp->sy;
1.188 nicm 1232: }
1233:
1234: /* Check if pane should be resized. */
1.190 nicm 1235: static void
1.188 nicm 1236: server_client_check_resize(struct window_pane *wp)
1237: {
1238: struct timeval tv = { .tv_usec = 250000 };
1239:
1240: if (!(wp->flags & PANE_RESIZE))
1241: return;
1.235 nicm 1242: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.188 nicm 1243:
1244: if (!event_initialized(&wp->resize_timer))
1245: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1246:
1247: /*
1248: * The first resize should happen immediately, so if the timer is not
1249: * running, do it now.
1250: */
1251: if (!evtimer_pending(&wp->resize_timer, NULL))
1252: server_client_resize_event(-1, 0, wp);
1253:
1254: /*
1255: * If the pane is in the alternate screen, let the timer expire and
1256: * resize to give the application a chance to redraw. If not, keep
1257: * pushing the timer back.
1258: */
1259: if (wp->saved_grid != NULL && evtimer_pending(&wp->resize_timer, NULL))
1260: return;
1261: evtimer_del(&wp->resize_timer);
1262: evtimer_add(&wp->resize_timer, &tv);
1.91 nicm 1263: }
1264:
1265: /* Check whether pane should be focused. */
1.190 nicm 1266: static void
1.91 nicm 1267: server_client_check_focus(struct window_pane *wp)
1268: {
1.93 nicm 1269: struct client *c;
1.102 nicm 1270: int push;
1271:
1272: /* Do we need to push the focus state? */
1273: push = wp->flags & PANE_FOCUSPUSH;
1274: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1275:
1276: /* If we're not the active pane in our window, we're not focused. */
1277: if (wp->window->active != wp)
1278: goto not_focused;
1279:
1280: /* If we're in a mode, we're not focused. */
1281: if (wp->screen != &wp->base)
1282: goto not_focused;
1283:
1284: /*
1.93 nicm 1285: * If our window is the current window in any focused clients with an
1286: * attached session, we're focused.
1.91 nicm 1287: */
1.135 nicm 1288: TAILQ_FOREACH(c, &clients, entry) {
1289: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1290: continue;
1.255 nicm 1291: if (c->session->attached == 0)
1.93 nicm 1292: continue;
1293:
1294: if (c->session->curw->window == wp->window)
1.91 nicm 1295: goto focused;
1296: }
1297:
1298: not_focused:
1.251 nicm 1299: if (push || (wp->flags & PANE_FOCUSED)) {
1300: if (wp->base.mode & MODE_FOCUSON)
1301: bufferevent_write(wp->event, "\033[O", 3);
1302: notify_pane("pane-focus-out", wp);
1303: }
1.91 nicm 1304: wp->flags &= ~PANE_FOCUSED;
1305: return;
1306:
1307: focused:
1.251 nicm 1308: if (push || !(wp->flags & PANE_FOCUSED)) {
1309: if (wp->base.mode & MODE_FOCUSON)
1310: bufferevent_write(wp->event, "\033[I", 3);
1311: notify_pane("pane-focus-in", wp);
1312: }
1.91 nicm 1313: wp->flags |= PANE_FOCUSED;
1.2 nicm 1314: }
1315:
1.18 nicm 1316: /*
1317: * Update cursor position and mode settings. The scroll region and attributes
1318: * are cleared when idle (waiting for an event) as this is the most likely time
1319: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1320: * compromise between excessive resets and likelihood of an interrupt.
1321: *
1322: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1323: * things that are already in their default state.
1324: */
1.190 nicm 1325: static void
1.18 nicm 1326: server_client_reset_state(struct client *c)
1.1 nicm 1327: {
1.18 nicm 1328: struct window *w = c->session->curw->window;
1.209 nicm 1329: struct window_pane *wp = w->active, *loop;
1.18 nicm 1330: struct screen *s = wp->screen;
1.163 nicm 1331: struct options *oo = c->session->options;
1.261 nicm 1332: int mode, cursor = 0;
1333: u_int cx = 0, cy = 0, ox, oy, sx, sy;
1.60 nicm 1334:
1.186 nicm 1335: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1336: return;
1.261 nicm 1337: mode = s->mode;
1.86 nicm 1338:
1.199 nicm 1339: tty_region_off(&c->tty);
1340: tty_margin_off(&c->tty);
1.1 nicm 1341:
1.261 nicm 1342: /* Move cursor to pane cursor and offset. */
1343: cursor = 0;
1344: tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
1345: if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
1346: wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
1347: cursor = 1;
1348:
1349: cx = wp->xoff + s->cx - ox;
1350: cy = wp->yoff + s->cy - oy;
1351:
1352: if (status_at_line(c) == 0)
1353: cy += status_line_size(c);
1354: }
1355: if (!cursor)
1356: mode &= ~MODE_CURSOR;
1357: tty_cursor(&c->tty, cx, cy);
1.1 nicm 1358:
1.50 nicm 1359: /*
1.131 nicm 1360: * Set mouse mode if requested. To support dragging, always use button
1361: * mode.
1.57 nicm 1362: */
1.209 nicm 1363: if (options_get_number(oo, "mouse")) {
1364: mode &= ~ALL_MOUSE_MODES;
1365: TAILQ_FOREACH(loop, &w->panes, entry) {
1366: if (loop->screen->mode & MODE_MOUSE_ALL)
1367: mode |= MODE_MOUSE_ALL;
1368: }
1369: if (~mode & MODE_MOUSE_ALL)
1370: mode |= MODE_MOUSE_BUTTON;
1371: }
1.215 nicm 1372:
1373: /* Clear bracketed paste mode if at the prompt. */
1374: if (c->prompt_string != NULL)
1375: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1376:
1377: /* Set the terminal mode and reset attributes. */
1.59 nicm 1378: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1379: tty_reset(&c->tty);
1.17 nicm 1380: }
1381:
1382: /* Repeat time callback. */
1.190 nicm 1383: static void
1.170 nicm 1384: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1385: {
1386: struct client *c = data;
1387:
1.85 nicm 1388: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1389: server_client_set_key_table(c, NULL);
1.132 nicm 1390: c->flags &= ~CLIENT_REPEAT;
1391: server_status_client(c);
1.85 nicm 1392: }
1.192 nicm 1393: }
1394:
1395: /* Double-click callback. */
1396: static void
1397: server_client_click_timer(__unused int fd, __unused short events, void *data)
1398: {
1399: struct client *c = data;
1400:
1401: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1402: }
1403:
1.36 nicm 1404: /* Check if client should be exited. */
1.190 nicm 1405: static void
1.36 nicm 1406: server_client_check_exit(struct client *c)
1407: {
1408: if (!(c->flags & CLIENT_EXIT))
1409: return;
1410:
1.73 nicm 1411: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
1412: return;
1413: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 1414: return;
1.73 nicm 1415: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 1416: return;
1417:
1.249 nicm 1418: if (c->flags & CLIENT_ATTACHED)
1419: notify_client("client-detached", c);
1.162 nicm 1420: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.36 nicm 1421: c->flags &= ~CLIENT_EXIT;
1.38 nicm 1422: }
1423:
1.218 nicm 1424: /* Redraw timer callback. */
1425: static void
1426: server_client_redraw_timer(__unused int fd, __unused short events,
1427: __unused void* data)
1428: {
1429: log_debug("redraw timer fired");
1430: }
1431:
1.1 nicm 1432: /* Check for client redraws. */
1.190 nicm 1433: static void
1.1 nicm 1434: server_client_check_redraw(struct client *c)
1435: {
1436: struct session *s = c->session;
1.137 nicm 1437: struct tty *tty = &c->tty;
1.1 nicm 1438: struct window_pane *wp;
1.256 nicm 1439: int needed, flags;
1.218 nicm 1440: struct timeval tv = { .tv_usec = 1000 };
1441: static struct event ev;
1442: size_t left;
1.1 nicm 1443:
1.86 nicm 1444: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1445: return;
1.257 nicm 1446: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1447: log_debug("%s: redraw%s%s%s", c->name,
1448: (c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
1449: (c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
1450: (c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "");
1451: }
1.218 nicm 1452:
1453: /*
1454: * If there is outstanding data, defer the redraw until it has been
1455: * consumed. We can just add a timer to get out of the event loop and
1456: * end up back here.
1457: */
1458: needed = 0;
1.256 nicm 1459: if (c->flags & CLIENT_ALLREDRAWFLAGS)
1.218 nicm 1460: needed = 1;
1461: else {
1462: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1463: if (wp->flags & PANE_REDRAW) {
1464: needed = 1;
1465: break;
1466: }
1467: }
1468: }
1.241 nicm 1469: if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
1470: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1471: if (!evtimer_initialized(&ev))
1472: evtimer_set(&ev, server_client_redraw_timer, NULL);
1473: if (!evtimer_pending(&ev, NULL)) {
1.218 nicm 1474: log_debug("redraw timer started");
1475: evtimer_add(&ev, &tv);
1.241 nicm 1476: }
1.218 nicm 1477:
1.241 nicm 1478: /*
1479: * We may have got here for a single pane redraw, but force a
1480: * full redraw next time in case other panes have been updated.
1481: */
1.256 nicm 1482: c->flags |= CLIENT_ALLREDRAWFLAGS;
1.241 nicm 1483: return;
1484: } else if (needed)
1.218 nicm 1485: log_debug("%s: redraw needed", c->name);
1.79 nicm 1486:
1.219 nicm 1487: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1488: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1489:
1.256 nicm 1490: if (~c->flags & CLIENT_REDRAWWINDOW) {
1491: /*
1492: * If not redrawing the entire window, check whether each pane
1493: * needs to be redrawn.
1494: */
1.1 nicm 1495: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1496: if (wp->flags & PANE_REDRAW) {
1497: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1498: screen_redraw_pane(c, wp);
1.137 nicm 1499: }
1.1 nicm 1500: }
1501: }
1502:
1.256 nicm 1503: if (c->flags & CLIENT_ALLREDRAWFLAGS) {
1504: if (options_get_number(s->options, "set-titles"))
1505: server_client_set_title(c);
1506: screen_redraw_screen(c);
1507: }
1.1 nicm 1508:
1.137 nicm 1509: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1510: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1511:
1.256 nicm 1512: c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
1.230 nicm 1513:
1514: if (needed) {
1515: /*
1516: * We would have deferred the redraw unless the output buffer
1517: * was empty, so we can record how many bytes the redraw
1518: * generated.
1519: */
1520: c->redraw = EVBUFFER_LENGTH(tty->out);
1521: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1522: }
1.1 nicm 1523: }
1524:
1525: /* Set client title. */
1.190 nicm 1526: static void
1.1 nicm 1527: server_client_set_title(struct client *c)
1528: {
1.128 nicm 1529: struct session *s = c->session;
1530: const char *template;
1531: char *title;
1532: struct format_tree *ft;
1.1 nicm 1533:
1.163 nicm 1534: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1535:
1.228 nicm 1536: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1537: format_defaults(ft, c, NULL, NULL, NULL);
1538:
1539: title = format_expand_time(ft, template, time(NULL));
1.1 nicm 1540: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1541: free(c->title);
1.1 nicm 1542: c->title = xstrdup(title);
1543: tty_set_title(&c->tty, c->title);
1544: }
1.77 nicm 1545: free(title);
1.128 nicm 1546:
1547: format_free(ft);
1.1 nicm 1548: }
1549:
1550: /* Dispatch message from client. */
1.190 nicm 1551: static void
1.162 nicm 1552: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1553: {
1.162 nicm 1554: struct client *c = arg;
1.73 nicm 1555: struct msg_stdin_data stdindata;
1.108 nicm 1556: const char *data;
1.162 nicm 1557: ssize_t datalen;
1.149 nicm 1558: struct session *s;
1.1 nicm 1559:
1.162 nicm 1560: if (c->flags & CLIENT_DEAD)
1561: return;
1562:
1563: if (imsg == NULL) {
1564: server_client_lost(c);
1565: return;
1566: }
1.1 nicm 1567:
1.162 nicm 1568: data = imsg->data;
1569: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1570:
1.162 nicm 1571: switch (imsg->hdr.type) {
1572: case MSG_IDENTIFY_FLAGS:
1573: case MSG_IDENTIFY_TERM:
1574: case MSG_IDENTIFY_TTYNAME:
1575: case MSG_IDENTIFY_CWD:
1576: case MSG_IDENTIFY_STDIN:
1577: case MSG_IDENTIFY_ENVIRON:
1578: case MSG_IDENTIFY_CLIENTPID:
1579: case MSG_IDENTIFY_DONE:
1580: server_client_dispatch_identify(c, imsg);
1581: break;
1582: case MSG_COMMAND:
1583: server_client_dispatch_command(c, imsg);
1584: break;
1585: case MSG_STDIN:
1586: if (datalen != sizeof stdindata)
1587: fatalx("bad MSG_STDIN size");
1588: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1589:
1.162 nicm 1590: if (c->stdin_callback == NULL)
1.33 nicm 1591: break;
1.162 nicm 1592: if (stdindata.size <= 0)
1593: c->stdin_closed = 1;
1594: else {
1595: evbuffer_add(c->stdin_data, stdindata.data,
1596: stdindata.size);
1597: }
1598: c->stdin_callback(c, c->stdin_closed,
1599: c->stdin_callback_data);
1600: break;
1601: case MSG_RESIZE:
1602: if (datalen != 0)
1603: fatalx("bad MSG_RESIZE size");
1.1 nicm 1604:
1.162 nicm 1605: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1606: break;
1.236 nicm 1607: tty_resize(&c->tty);
1608: recalculate_sizes();
1609: server_redraw_client(c);
1.174 nicm 1610: if (c->session != NULL)
1.196 nicm 1611: notify_client("client-resized", c);
1.162 nicm 1612: break;
1613: case MSG_EXITING:
1614: if (datalen != 0)
1615: fatalx("bad MSG_EXITING size");
1.1 nicm 1616:
1.162 nicm 1617: c->session = NULL;
1618: tty_close(&c->tty);
1619: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1620: break;
1621: case MSG_WAKEUP:
1622: case MSG_UNLOCK:
1623: if (datalen != 0)
1624: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1625:
1.162 nicm 1626: if (!(c->flags & CLIENT_SUSPENDED))
1627: break;
1628: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1629:
1.162 nicm 1630: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1631: break;
1.162 nicm 1632: s = c->session;
1.1 nicm 1633:
1.162 nicm 1634: if (gettimeofday(&c->activity_time, NULL) != 0)
1635: fatal("gettimeofday failed");
1636:
1637: tty_start_tty(&c->tty);
1638: server_redraw_client(c);
1639: recalculate_sizes();
1.184 nicm 1640:
1641: if (s != NULL)
1642: session_update_activity(s, &c->activity_time);
1.162 nicm 1643: break;
1644: case MSG_SHELL:
1645: if (datalen != 0)
1646: fatalx("bad MSG_SHELL size");
1.1 nicm 1647:
1.162 nicm 1648: server_client_dispatch_shell(c);
1649: break;
1.1 nicm 1650: }
1651: }
1652:
1.194 nicm 1653: /* Callback when command is done. */
1654: static enum cmd_retval
1.195 nicm 1655: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1656: {
1.195 nicm 1657: struct client *c = item->client;
1.194 nicm 1658:
1659: if (~c->flags & CLIENT_ATTACHED)
1660: c->flags |= CLIENT_EXIT;
1661: return (CMD_RETURN_NORMAL);
1662: }
1663:
1664: /* Show an error message. */
1665: static enum cmd_retval
1.195 nicm 1666: server_client_command_error(struct cmdq_item *item, void *data)
1.194 nicm 1667: {
1668: char *error = data;
1669:
1.195 nicm 1670: cmdq_error(item, "%s", error);
1.194 nicm 1671: free(error);
1672:
1673: return (CMD_RETURN_NORMAL);
1674: }
1675:
1.1 nicm 1676: /* Handle command message. */
1.190 nicm 1677: static void
1.162 nicm 1678: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1679: {
1.108 nicm 1680: struct msg_command_data data;
1681: char *buf;
1682: size_t len;
1683: struct cmd_list *cmdlist = NULL;
1684: int argc;
1685: char **argv, *cause;
1.246 nicm 1686:
1687: if (c->flags & CLIENT_EXIT)
1688: return;
1.108 nicm 1689:
1690: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1691: fatalx("bad MSG_COMMAND size");
1692: memcpy(&data, imsg->data, sizeof data);
1693:
1.124 nicm 1694: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1695: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1696: if (len > 0 && buf[len - 1] != '\0')
1697: fatalx("bad MSG_COMMAND string");
1698:
1699: argc = data.argc;
1700: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1701: cause = xstrdup("command too long");
1.1 nicm 1702: goto error;
1703: }
1704:
1705: if (argc == 0) {
1706: argc = 1;
1707: argv = xcalloc(1, sizeof *argv);
1708: *argv = xstrdup("new-session");
1709: }
1710:
1.94 nicm 1711: if ((cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause)) == NULL) {
1.1 nicm 1712: cmd_free_argv(argc, argv);
1713: goto error;
1714: }
1715: cmd_free_argv(argc, argv);
1716:
1.194 nicm 1717: cmdq_append(c, cmdq_get_command(cmdlist, NULL, NULL, 0));
1718: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.1 nicm 1719: cmd_list_free(cmdlist);
1720: return;
1721:
1722: error:
1.194 nicm 1723: cmdq_append(c, cmdq_get_callback(server_client_command_error, cause));
1724:
1.1 nicm 1725: if (cmdlist != NULL)
1726: cmd_list_free(cmdlist);
1.88 nicm 1727:
1.36 nicm 1728: c->flags |= CLIENT_EXIT;
1.1 nicm 1729: }
1730:
1731: /* Handle identify message. */
1.190 nicm 1732: static void
1.162 nicm 1733: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1734: {
1.165 nicm 1735: const char *data, *home;
1.232 nicm 1736: size_t datalen;
1.109 nicm 1737: int flags;
1.216 nicm 1738: char *name;
1.109 nicm 1739:
1740: if (c->flags & CLIENT_IDENTIFIED)
1741: fatalx("out-of-order identify message");
1742:
1743: data = imsg->data;
1744: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1745:
1746: switch (imsg->hdr.type) {
1747: case MSG_IDENTIFY_FLAGS:
1748: if (datalen != sizeof flags)
1749: fatalx("bad MSG_IDENTIFY_FLAGS size");
1750: memcpy(&flags, data, sizeof flags);
1751: c->flags |= flags;
1.158 nicm 1752: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1753: break;
1754: case MSG_IDENTIFY_TERM:
1.110 nicm 1755: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1756: fatalx("bad MSG_IDENTIFY_TERM string");
1757: c->term = xstrdup(data);
1.158 nicm 1758: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1759: break;
1760: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1761: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1762: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1763: c->ttyname = xstrdup(data);
1.158 nicm 1764: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1765: break;
1766: case MSG_IDENTIFY_CWD:
1.155 nicm 1767: if (datalen == 0 || data[datalen - 1] != '\0')
1768: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1769: if (access(data, X_OK) == 0)
1770: c->cwd = xstrdup(data);
1771: else if ((home = find_home()) != NULL)
1772: c->cwd = xstrdup(home);
1773: else
1774: c->cwd = xstrdup("/");
1.158 nicm 1775: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1776: break;
1777: case MSG_IDENTIFY_STDIN:
1778: if (datalen != 0)
1779: fatalx("bad MSG_IDENTIFY_STDIN size");
1780: c->fd = imsg->fd;
1.158 nicm 1781: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1782: break;
1783: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1784: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1785: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1786: if (strchr(data, '=') != NULL)
1.164 nicm 1787: environ_put(c->environ, data);
1.158 nicm 1788: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1789: break;
1790: case MSG_IDENTIFY_CLIENTPID:
1791: if (datalen != sizeof c->pid)
1792: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1793: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1794: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1795: break;
1796: default:
1797: break;
1798: }
1799:
1800: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1801: return;
1802: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1803:
1.216 nicm 1804: if (*c->ttyname != '\0')
1805: name = xstrdup(c->ttyname);
1806: else
1807: xasprintf(&name, "client-%ld", (long)c->pid);
1808: c->name = name;
1809: log_debug("client %p name is %s", c, c->name);
1810:
1.109 nicm 1811: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1812: c->stdin_callback = control_callback;
1.109 nicm 1813:
1.97 nicm 1814: evbuffer_free(c->stderr_data);
1815: c->stderr_data = c->stdout_data;
1.109 nicm 1816:
1817: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1818: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.162 nicm 1819: proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
1.75 nicm 1820:
1821: c->tty.fd = -1;
1822:
1.109 nicm 1823: close(c->fd);
1824: c->fd = -1;
1825:
1.75 nicm 1826: return;
1827: }
1.1 nicm 1828:
1.109 nicm 1829: if (c->fd == -1)
1.104 nicm 1830: return;
1.145 nicm 1831: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1.109 nicm 1832: close(c->fd);
1833: c->fd = -1;
1.80 nicm 1834: return;
1835: }
1.109 nicm 1836: if (c->flags & CLIENT_UTF8)
1.1 nicm 1837: c->tty.flags |= TTY_UTF8;
1.109 nicm 1838: if (c->flags & CLIENT_256COLOURS)
1.1 nicm 1839: c->tty.term_flags |= TERM_256COLOURS;
1840:
1841: tty_resize(&c->tty);
1842:
1.109 nicm 1843: if (!(c->flags & CLIENT_CONTROL))
1.86 nicm 1844: c->flags |= CLIENT_TERMINAL;
1.1 nicm 1845: }
1846:
1847: /* Handle shell message. */
1.190 nicm 1848: static void
1.162 nicm 1849: server_client_dispatch_shell(struct client *c)
1.1 nicm 1850: {
1.107 nicm 1851: const char *shell;
1.25 nicm 1852:
1.163 nicm 1853: shell = options_get_string(global_s_options, "default-shell");
1.1 nicm 1854: if (*shell == '\0' || areshell(shell))
1855: shell = _PATH_BSHELL;
1.240 nicm 1856: proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
1.25 nicm 1857:
1.162 nicm 1858: proc_kill_peer(c->peer);
1.169 nicm 1859: }
1860:
1861: /* Event callback to push more stdout data if any left. */
1862: static void
1.170 nicm 1863: server_client_stdout_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1864: {
1865: struct client *c = arg;
1866:
1867: if (~c->flags & CLIENT_DEAD)
1868: server_client_push_stdout(c);
1869: server_client_unref(c);
1870: }
1871:
1872: /* Push stdout to client if possible. */
1873: void
1874: server_client_push_stdout(struct client *c)
1875: {
1876: struct msg_stdout_data data;
1.232 nicm 1877: size_t sent, left;
1.169 nicm 1878:
1879: left = EVBUFFER_LENGTH(c->stdout_data);
1880: while (left != 0) {
1881: sent = left;
1882: if (sent > sizeof data.data)
1883: sent = sizeof data.data;
1884: memcpy(data.data, EVBUFFER_DATA(c->stdout_data), sent);
1885: data.size = sent;
1886:
1887: if (proc_send(c->peer, MSG_STDOUT, -1, &data, sizeof data) != 0)
1888: break;
1889: evbuffer_drain(c->stdout_data, sent);
1890:
1891: left = EVBUFFER_LENGTH(c->stdout_data);
1892: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1893: sent, left);
1894: }
1895: if (left != 0) {
1896: c->references++;
1897: event_once(-1, EV_TIMEOUT, server_client_stdout_cb, c, NULL);
1898: log_debug("%s: client %p, queued", __func__, c);
1899: }
1900: }
1901:
1902: /* Event callback to push more stderr data if any left. */
1903: static void
1.170 nicm 1904: server_client_stderr_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1905: {
1906: struct client *c = arg;
1907:
1908: if (~c->flags & CLIENT_DEAD)
1909: server_client_push_stderr(c);
1910: server_client_unref(c);
1911: }
1912:
1913: /* Push stderr to client if possible. */
1914: void
1915: server_client_push_stderr(struct client *c)
1916: {
1917: struct msg_stderr_data data;
1.232 nicm 1918: size_t sent, left;
1.169 nicm 1919:
1920: if (c->stderr_data == c->stdout_data) {
1921: server_client_push_stdout(c);
1922: return;
1923: }
1924:
1925: left = EVBUFFER_LENGTH(c->stderr_data);
1926: while (left != 0) {
1927: sent = left;
1928: if (sent > sizeof data.data)
1929: sent = sizeof data.data;
1930: memcpy(data.data, EVBUFFER_DATA(c->stderr_data), sent);
1931: data.size = sent;
1932:
1933: if (proc_send(c->peer, MSG_STDERR, -1, &data, sizeof data) != 0)
1934: break;
1935: evbuffer_drain(c->stderr_data, sent);
1936:
1937: left = EVBUFFER_LENGTH(c->stderr_data);
1938: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1939: sent, left);
1940: }
1941: if (left != 0) {
1942: c->references++;
1943: event_once(-1, EV_TIMEOUT, server_client_stderr_cb, c, NULL);
1944: log_debug("%s: client %p, queued", __func__, c);
1.212 nicm 1945: }
1946: }
1947:
1948: /* Add to client message log. */
1949: void
1950: server_client_add_message(struct client *c, const char *fmt, ...)
1951: {
1952: struct message_entry *msg, *msg1;
1953: char *s;
1954: va_list ap;
1955: u_int limit;
1956:
1957: va_start(ap, fmt);
1958: xvasprintf(&s, fmt, ap);
1959: va_end(ap);
1960:
1.216 nicm 1961: log_debug("message %s (client %p)", s, c);
1.212 nicm 1962:
1963: msg = xcalloc(1, sizeof *msg);
1964: msg->msg_time = time(NULL);
1965: msg->msg_num = c->message_next++;
1966: msg->msg = s;
1967: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1968:
1969: limit = options_get_number(global_options, "message-limit");
1970: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1971: if (msg->msg_num + limit >= c->message_next)
1972: break;
1973: free(msg->msg);
1974: TAILQ_REMOVE(&c->message_log, msg, entry);
1975: free(msg);
1.169 nicm 1976: }
1.213 nicm 1977: }
1978:
1979: /* Get client working directory. */
1980: const char *
1.250 nicm 1981: server_client_get_cwd(struct client *c, struct session *s)
1.213 nicm 1982: {
1.250 nicm 1983: const char *home;
1.213 nicm 1984:
1985: if (c != NULL && c->session == NULL && c->cwd != NULL)
1986: return (c->cwd);
1.250 nicm 1987: if (s != NULL && s->cwd != NULL)
1988: return (s->cwd);
1.213 nicm 1989: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
1990: return (s->cwd);
1.250 nicm 1991: if ((home = find_home()) != NULL)
1992: return (home);
1993: return ("/");
1.213 nicm 1994: }
1995:
1996: /* Resolve an absolute path or relative to client working directory. */
1997: char *
1998: server_client_get_path(struct client *c, const char *file)
1999: {
2000: char *path, resolved[PATH_MAX];
2001:
2002: if (*file == '/')
2003: path = xstrdup(file);
2004: else
1.250 nicm 2005: xasprintf(&path, "%s/%s", server_client_get_cwd(c, NULL), file);
1.213 nicm 2006: if (realpath(path, resolved) == NULL)
2007: return (path);
2008: free(path);
2009: return (xstrdup(resolved));
1.1 nicm 2010: }
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