Annotation of src/usr.bin/tmux/server-client.c, Revision 1.236
1.236 ! nicm 1: /* $OpenBSD: server-client.c,v 1.235 2017/05/31 10:15:51 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 *);
46:
47: static void server_client_dispatch(struct imsg *, void *);
48: static void server_client_dispatch_command(struct client *, struct imsg *);
49: static void server_client_dispatch_identify(struct client *, struct imsg *);
50: static void server_client_dispatch_shell(struct client *);
1.233 nicm 51:
52: /* Number of attached clients. */
53: u_int
54: server_client_how_many(void)
55: {
56: struct client *c;
57: u_int n;
58:
59: n = 0;
60: TAILQ_FOREACH(c, &clients, entry) {
61: if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
62: n++;
63: }
64: return (n);
65: }
1.140 nicm 66:
1.220 nicm 67: /* Identify mode callback. */
1.214 nicm 68: static void
1.232 nicm 69: server_client_callback_identify(__unused int fd, __unused short events,
70: void *data)
1.214 nicm 71: {
72: server_client_clear_identify(data, NULL);
73: }
74:
75: /* Set identify mode on client. */
76: void
77: server_client_set_identify(struct client *c)
78: {
79: struct timeval tv;
80: int delay;
81:
82: delay = options_get_number(c->session->options, "display-panes-time");
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);
89: evtimer_add(&c->identify_timer, &tv);
90:
91: c->flags |= CLIENT_IDENTIFY;
92: c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
93: server_redraw_client(c);
94: }
95:
96: /* Clear identify mode on client. */
97: void
98: server_client_clear_identify(struct client *c, struct window_pane *wp)
99: {
100: if (~c->flags & CLIENT_IDENTIFY)
101: return;
102: c->flags &= ~CLIENT_IDENTIFY;
103:
104: if (c->identify_callback != NULL)
105: c->identify_callback(c, wp);
106:
107: c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
108: server_redraw_client(c);
109: }
110:
1.140 nicm 111: /* Check if this client is inside this server. */
112: int
113: server_client_check_nested(struct client *c)
114: {
115: struct environ_entry *envent;
116: struct window_pane *wp;
117:
1.164 nicm 118: envent = environ_find(c->environ, "TMUX");
1.140 nicm 119: if (envent == NULL || *envent->value == '\0')
120: return (0);
121:
122: RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
1.216 nicm 123: if (strcmp(wp->tty, c->ttyname) == 0)
1.140 nicm 124: return (1);
125: }
126: return (0);
127: }
1.1 nicm 128:
1.132 nicm 129: /* Set client key table. */
130: void
1.178 nicm 131: server_client_set_key_table(struct client *c, const char *name)
1.132 nicm 132: {
1.178 nicm 133: if (name == NULL)
134: name = server_client_get_key_table(c);
135:
1.132 nicm 136: key_bindings_unref_table(c->keytable);
137: c->keytable = key_bindings_get_table(name, 1);
138: c->keytable->references++;
139: }
140:
1.178 nicm 141: /* Get default key table. */
142: const char *
143: server_client_get_key_table(struct client *c)
144: {
145: struct session *s = c->session;
146: const char *name;
147:
148: if (s == NULL)
149: return ("root");
150:
151: name = options_get_string(s->options, "key-table");
152: if (*name == '\0')
153: return ("root");
154: return (name);
155: }
156:
1.223 nicm 157: /* Is this table the default key table? */
158: static int
159: server_client_is_default_key_table(struct client *c, struct key_table *table)
1.191 nicm 160: {
1.223 nicm 161: return (strcmp(table->name, server_client_get_key_table(c)) == 0);
1.191 nicm 162: }
163:
1.1 nicm 164: /* Create a new client. */
165: void
166: server_client_create(int fd)
167: {
168: struct client *c;
169:
1.49 nicm 170: setblocking(fd, 0);
1.1 nicm 171:
172: c = xcalloc(1, sizeof *c);
1.141 nicm 173: c->references = 1;
1.162 nicm 174: c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
1.25 nicm 175:
1.10 nicm 176: if (gettimeofday(&c->creation_time, NULL) != 0)
1.1 nicm 177: fatal("gettimeofday failed");
1.11 nicm 178: memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
1.111 nicm 179:
1.164 nicm 180: c->environ = environ_create();
1.1 nicm 181:
1.146 nicm 182: c->fd = -1;
1.165 nicm 183: c->cwd = NULL;
1.145 nicm 184:
1.194 nicm 185: TAILQ_INIT(&c->queue);
1.94 nicm 186:
1.116 nicm 187: c->stdin_data = evbuffer_new();
188: c->stdout_data = evbuffer_new();
189: c->stderr_data = evbuffer_new();
1.33 nicm 190:
1.1 nicm 191: c->tty.fd = -1;
192: c->title = NULL;
193:
194: c->session = NULL;
1.45 nicm 195: c->last_session = NULL;
1.1 nicm 196: c->tty.sx = 80;
197: c->tty.sy = 24;
198:
199: screen_init(&c->status, c->tty.sx, 1, 0);
200:
201: c->message_string = NULL;
1.136 nicm 202: TAILQ_INIT(&c->message_log);
1.1 nicm 203:
204: c->prompt_string = NULL;
205: c->prompt_buffer = NULL;
206: c->prompt_index = 0;
207:
1.93 nicm 208: c->flags |= CLIENT_FOCUSED;
209:
1.132 nicm 210: c->keytable = key_bindings_get_table("root", 1);
211: c->keytable->references++;
212:
1.17 nicm 213: evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
1.192 nicm 214: evtimer_set(&c->click_timer, server_client_click_timer, c);
1.17 nicm 215:
1.135 nicm 216: TAILQ_INSERT_TAIL(&clients, c, entry);
1.157 nicm 217: log_debug("new client %p", c);
1.72 nicm 218: }
219:
220: /* Open client terminal if needed. */
221: int
1.119 nicm 222: server_client_open(struct client *c, char **cause)
1.72 nicm 223: {
1.75 nicm 224: if (c->flags & CLIENT_CONTROL)
225: return (0);
1.120 nicm 226:
227: if (strcmp(c->ttyname, "/dev/tty") == 0) {
228: *cause = xstrdup("can't use /dev/tty");
229: return (-1);
230: }
1.75 nicm 231:
1.72 nicm 232: if (!(c->flags & CLIENT_TERMINAL)) {
1.116 nicm 233: *cause = xstrdup("not a terminal");
1.72 nicm 234: return (-1);
235: }
236:
1.119 nicm 237: if (tty_open(&c->tty, cause) != 0)
1.72 nicm 238: return (-1);
239:
240: return (0);
1.1 nicm 241: }
242:
243: /* Lost a client. */
244: void
245: server_client_lost(struct client *c)
246: {
1.136 nicm 247: struct message_entry *msg, *msg1;
1.1 nicm 248:
1.141 nicm 249: c->flags |= CLIENT_DEAD;
250:
1.214 nicm 251: server_client_clear_identify(c, NULL);
1.141 nicm 252: status_prompt_clear(c);
253: status_message_clear(c);
254:
255: if (c->stdin_callback != NULL)
256: c->stdin_callback(c, 1, c->stdin_callback_data);
257:
1.135 nicm 258: TAILQ_REMOVE(&clients, c, entry);
1.157 nicm 259: log_debug("lost client %p", c);
1.1 nicm 260:
261: /*
262: * If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
263: * and tty_free might close an unrelated fd.
264: */
265: if (c->flags & CLIENT_TERMINAL)
266: tty_free(&c->tty);
1.109 nicm 267: free(c->ttyname);
268: free(c->term);
1.1 nicm 269:
1.113 nicm 270: evbuffer_free(c->stdin_data);
271: evbuffer_free(c->stdout_data);
1.97 nicm 272: if (c->stderr_data != c->stdout_data)
1.126 nicm 273: evbuffer_free(c->stderr_data);
1.33 nicm 274:
1.148 nicm 275: if (event_initialized(&c->status_timer))
276: evtimer_del(&c->status_timer);
1.1 nicm 277: screen_free(&c->status);
1.234 nicm 278: if (c->old_status != NULL) {
279: screen_free(c->old_status);
280: free(c->old_status);
281: }
1.1 nicm 282:
1.77 nicm 283: free(c->title);
1.165 nicm 284: free((void *)c->cwd);
1.1 nicm 285:
1.17 nicm 286: evtimer_del(&c->repeat_timer);
1.192 nicm 287: evtimer_del(&c->click_timer);
1.17 nicm 288:
1.132 nicm 289: key_bindings_unref_table(c->keytable);
290:
1.69 nicm 291: if (event_initialized(&c->identify_timer))
292: evtimer_del(&c->identify_timer);
1.15 nicm 293:
1.77 nicm 294: free(c->message_string);
1.116 nicm 295: if (event_initialized(&c->message_timer))
1.69 nicm 296: evtimer_del(&c->message_timer);
1.136 nicm 297: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1.77 nicm 298: free(msg->msg);
1.136 nicm 299: TAILQ_REMOVE(&c->message_log, msg, entry);
300: free(msg);
1.21 nicm 301: }
1.1 nicm 302:
1.77 nicm 303: free(c->prompt_string);
304: free(c->prompt_buffer);
1.61 nicm 305:
1.228 nicm 306: format_lost_client(c);
1.164 nicm 307: environ_free(c->environ);
1.1 nicm 308:
1.162 nicm 309: proc_remove_peer(c->peer);
310: c->peer = NULL;
1.13 nicm 311:
1.142 nicm 312: server_client_unref(c);
1.71 nicm 313:
314: server_add_accept(0); /* may be more file descriptors now */
1.1 nicm 315:
316: recalculate_sizes();
1.41 nicm 317: server_check_unattached();
1.19 nicm 318: server_update_socket();
1.141 nicm 319: }
320:
321: /* Remove reference from a client. */
322: void
1.142 nicm 323: server_client_unref(struct client *c)
1.141 nicm 324: {
1.157 nicm 325: log_debug("unref client %p (%d references)", c, c->references);
1.141 nicm 326:
327: c->references--;
328: if (c->references == 0)
329: event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
330: }
331:
332: /* Free dead client. */
1.190 nicm 333: static void
1.170 nicm 334: server_client_free(__unused int fd, __unused short events, void *arg)
1.141 nicm 335: {
336: struct client *c = arg;
337:
1.157 nicm 338: log_debug("free client %p (%d references)", c, c->references);
1.141 nicm 339:
1.194 nicm 340: if (!TAILQ_EMPTY(&c->queue))
341: fatalx("queue not empty");
342:
1.216 nicm 343: if (c->references == 0) {
344: free((void *)c->name);
1.141 nicm 345: free(c);
1.216 nicm 346: }
1.9 nicm 347: }
348:
1.220 nicm 349: /* Suspend a client. */
350: void
351: server_client_suspend(struct client *c)
352: {
1.232 nicm 353: struct session *s = c->session;
1.220 nicm 354:
355: if (s == NULL || (c->flags & CLIENT_DETACHING))
356: return;
357:
358: tty_stop_tty(&c->tty);
359: c->flags |= CLIENT_SUSPENDED;
360: proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
361: }
362:
1.174 nicm 363: /* Detach a client. */
364: void
365: server_client_detach(struct client *c, enum msgtype msgtype)
366: {
1.232 nicm 367: struct session *s = c->session;
1.174 nicm 368:
1.220 nicm 369: if (s == NULL || (c->flags & CLIENT_DETACHING))
1.174 nicm 370: return;
371:
1.220 nicm 372: c->flags |= CLIENT_DETACHING;
1.196 nicm 373: notify_client("client-detached", c);
1.174 nicm 374: proc_send_s(c->peer, msgtype, s->name);
1.207 nicm 375: }
376:
1.208 nicm 377: /* Execute command to replace a client. */
1.207 nicm 378: void
379: server_client_exec(struct client *c, const char *cmd)
380: {
381: struct session *s = c->session;
1.208 nicm 382: char *msg;
383: const char *shell;
1.207 nicm 384: size_t cmdsize, shellsize;
385:
386: if (*cmd == '\0')
387: return;
388: cmdsize = strlen(cmd) + 1;
389:
390: if (s != NULL)
391: shell = options_get_string(s->options, "default-shell");
392: else
393: shell = options_get_string(global_s_options, "default-shell");
394: shellsize = strlen(shell) + 1;
395:
396: msg = xmalloc(cmdsize + shellsize);
397: memcpy(msg, cmd, cmdsize);
398: memcpy(msg + cmdsize, shell, shellsize);
399:
400: proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
401: free(msg);
1.174 nicm 402: }
403:
1.66 nicm 404: /* Check for mouse keys. */
1.190 nicm 405: static key_code
1.131 nicm 406: server_client_check_mouse(struct client *c)
1.66 nicm 407: {
1.192 nicm 408: struct session *s = c->session;
409: struct mouse_event *m = &c->tty.mouse;
410: struct window *w;
411: struct window_pane *wp;
412: u_int x, y, b;
413: int flag;
414: key_code key;
415: struct timeval tv;
1.209 nicm 416: enum { NOTYPE, MOVE, DOWN, UP, DRAG, WHEEL, DOUBLE, TRIPLE } type;
417: enum { NOWHERE, PANE, STATUS, BORDER } where;
418:
419: type = NOTYPE;
420: where = NOWHERE;
1.131 nicm 421:
422: log_debug("mouse %02x at %u,%u (last %u,%u) (%d)", m->b, m->x, m->y,
423: m->lx, m->ly, c->tty.mouse_drag_flag);
424:
425: /* What type of event is this? */
1.209 nicm 426: if ((m->sgr_type != ' ' &&
427: MOUSE_DRAG(m->sgr_b) &&
428: MOUSE_BUTTONS(m->sgr_b) == 3) ||
429: (m->sgr_type == ' ' &&
430: MOUSE_DRAG(m->b) &&
431: MOUSE_BUTTONS(m->b) == 3 &&
432: MOUSE_BUTTONS(m->lb) == 3)) {
433: type = MOVE;
434: x = m->x, y = m->y, b = 0;
435: log_debug("move at %u,%u", x, y);
436: } else if (MOUSE_DRAG(m->b)) {
1.131 nicm 437: type = DRAG;
438: if (c->tty.mouse_drag_flag) {
439: x = m->x, y = m->y, b = m->b;
440: log_debug("drag update at %u,%u", x, y);
441: } else {
442: x = m->lx, y = m->ly, b = m->lb;
443: log_debug("drag start at %u,%u", x, y);
444: }
445: } else if (MOUSE_WHEEL(m->b)) {
446: type = WHEEL;
447: x = m->x, y = m->y, b = m->b;
448: log_debug("wheel at %u,%u", x, y);
1.200 nicm 449: } else if (MOUSE_RELEASE(m->b)) {
1.131 nicm 450: type = UP;
451: x = m->x, y = m->y, b = m->lb;
452: log_debug("up at %u,%u", x, y);
453: } else {
1.192 nicm 454: if (c->flags & CLIENT_DOUBLECLICK) {
455: evtimer_del(&c->click_timer);
456: c->flags &= ~CLIENT_DOUBLECLICK;
457: if (m->b == c->click_button) {
458: type = DOUBLE;
459: x = m->x, y = m->y, b = m->b;
460: log_debug("double-click at %u,%u", x, y);
461: flag = CLIENT_TRIPLECLICK;
462: goto add_timer;
463: }
464: } else if (c->flags & CLIENT_TRIPLECLICK) {
465: evtimer_del(&c->click_timer);
466: c->flags &= ~CLIENT_TRIPLECLICK;
467: if (m->b == c->click_button) {
468: type = TRIPLE;
469: x = m->x, y = m->y, b = m->b;
470: log_debug("triple-click at %u,%u", x, y);
471: goto have_event;
472: }
473: }
474:
1.131 nicm 475: type = DOWN;
476: x = m->x, y = m->y, b = m->b;
477: log_debug("down at %u,%u", x, y);
1.192 nicm 478: flag = CLIENT_DOUBLECLICK;
479:
480: add_timer:
481: if (KEYC_CLICK_TIMEOUT != 0) {
482: c->flags |= flag;
483: c->click_button = m->b;
484:
485: tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
486: tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
487: evtimer_del(&c->click_timer);
488: evtimer_add(&c->click_timer, &tv);
489: }
1.131 nicm 490: }
1.192 nicm 491:
492: have_event:
1.131 nicm 493: if (type == NOTYPE)
1.177 nicm 494: return (KEYC_UNKNOWN);
1.131 nicm 495:
496: /* Always save the session. */
497: m->s = s->id;
498:
499: /* Is this on the status line? */
500: m->statusat = status_at_line(c);
501: if (m->statusat != -1 && y == (u_int)m->statusat) {
502: w = status_get_window_at(c, x);
503: if (w == NULL)
1.177 nicm 504: return (KEYC_UNKNOWN);
1.131 nicm 505: m->w = w->id;
506: where = STATUS;
507: } else
508: m->w = -1;
509:
510: /* Not on status line. Adjust position and check for border or pane. */
511: if (where == NOWHERE) {
512: if (m->statusat == 0 && y > 0)
513: y--;
514: else if (m->statusat > 0 && y >= (u_int)m->statusat)
515: y = m->statusat - 1;
516:
517: TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
518: if ((wp->xoff + wp->sx == x &&
519: wp->yoff <= 1 + y &&
520: wp->yoff + wp->sy >= y) ||
521: (wp->yoff + wp->sy == y &&
522: wp->xoff <= 1 + x &&
523: wp->xoff + wp->sx >= x))
524: break;
525: }
526: if (wp != NULL)
527: where = BORDER;
528: else {
529: wp = window_get_active_at(s->curw->window, x, y);
1.173 nicm 530: if (wp != NULL) {
1.131 nicm 531: where = PANE;
1.173 nicm 532: log_debug("mouse at %u,%u is on pane %%%u",
533: x, y, wp->id);
534: }
1.131 nicm 535: }
536: if (where == NOWHERE)
1.177 nicm 537: return (KEYC_UNKNOWN);
1.131 nicm 538: m->wp = wp->id;
539: m->w = wp->window->id;
540: } else
541: m->wp = -1;
542:
543: /* Stop dragging if needed. */
1.200 nicm 544: if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
1.131 nicm 545: if (c->tty.mouse_drag_release != NULL)
546: c->tty.mouse_drag_release(c, m);
547:
548: c->tty.mouse_drag_update = NULL;
549: c->tty.mouse_drag_release = NULL;
550:
1.182 nicm 551: /*
1.183 nicm 552: * End a mouse drag by passing a MouseDragEnd key corresponding
553: * to the button that started the drag.
1.182 nicm 554: */
555: switch (c->tty.mouse_drag_flag) {
556: case 1:
557: if (where == PANE)
1.183 nicm 558: key = KEYC_MOUSEDRAGEND1_PANE;
1.182 nicm 559: if (where == STATUS)
1.183 nicm 560: key = KEYC_MOUSEDRAGEND1_STATUS;
1.182 nicm 561: if (where == BORDER)
1.183 nicm 562: key = KEYC_MOUSEDRAGEND1_BORDER;
1.182 nicm 563: break;
564: case 2:
565: if (where == PANE)
1.183 nicm 566: key = KEYC_MOUSEDRAGEND2_PANE;
1.182 nicm 567: if (where == STATUS)
1.183 nicm 568: key = KEYC_MOUSEDRAGEND2_STATUS;
1.182 nicm 569: if (where == BORDER)
1.183 nicm 570: key = KEYC_MOUSEDRAGEND2_BORDER;
1.182 nicm 571: break;
572: case 3:
573: if (where == PANE)
1.183 nicm 574: key = KEYC_MOUSEDRAGEND3_PANE;
1.182 nicm 575: if (where == STATUS)
1.183 nicm 576: key = KEYC_MOUSEDRAGEND3_STATUS;
1.182 nicm 577: if (where == BORDER)
1.183 nicm 578: key = KEYC_MOUSEDRAGEND3_BORDER;
1.182 nicm 579: break;
580: default:
581: key = KEYC_MOUSE;
582: break;
583: }
1.131 nicm 584: c->tty.mouse_drag_flag = 0;
1.182 nicm 585:
586: return (key);
1.131 nicm 587: }
588:
589: /* Convert to a key binding. */
1.177 nicm 590: key = KEYC_UNKNOWN;
1.131 nicm 591: switch (type) {
592: case NOTYPE:
593: break;
1.209 nicm 594: case MOVE:
595: if (where == PANE)
596: key = KEYC_MOUSEMOVE_PANE;
597: if (where == STATUS)
598: key = KEYC_MOUSEMOVE_STATUS;
599: if (where == BORDER)
600: key = KEYC_MOUSEMOVE_BORDER;
601: break;
1.131 nicm 602: case DRAG:
1.204 nicm 603: if (c->tty.mouse_drag_update != NULL)
604: key = KEYC_DRAGGING;
605: else {
1.131 nicm 606: switch (MOUSE_BUTTONS(b)) {
607: case 0:
608: if (where == PANE)
609: key = KEYC_MOUSEDRAG1_PANE;
610: if (where == STATUS)
611: key = KEYC_MOUSEDRAG1_STATUS;
612: if (where == BORDER)
613: key = KEYC_MOUSEDRAG1_BORDER;
614: break;
615: case 1:
616: if (where == PANE)
617: key = KEYC_MOUSEDRAG2_PANE;
618: if (where == STATUS)
619: key = KEYC_MOUSEDRAG2_STATUS;
620: if (where == BORDER)
621: key = KEYC_MOUSEDRAG2_BORDER;
622: break;
623: case 2:
624: if (where == PANE)
625: key = KEYC_MOUSEDRAG3_PANE;
626: if (where == STATUS)
627: key = KEYC_MOUSEDRAG3_STATUS;
628: if (where == BORDER)
629: key = KEYC_MOUSEDRAG3_BORDER;
630: break;
631: }
632: }
1.66 nicm 633:
1.182 nicm 634: /*
635: * Begin a drag by setting the flag to a non-zero value that
636: * corresponds to the mouse button in use.
637: */
638: c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
1.131 nicm 639: break;
640: case WHEEL:
641: if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
642: if (where == PANE)
643: key = KEYC_WHEELUP_PANE;
644: if (where == STATUS)
645: key = KEYC_WHEELUP_STATUS;
646: if (where == BORDER)
647: key = KEYC_WHEELUP_BORDER;
648: } else {
649: if (where == PANE)
650: key = KEYC_WHEELDOWN_PANE;
651: if (where == STATUS)
652: key = KEYC_WHEELDOWN_STATUS;
653: if (where == BORDER)
654: key = KEYC_WHEELDOWN_BORDER;
655: }
656: break;
657: case UP:
658: switch (MOUSE_BUTTONS(b)) {
659: case 0:
660: if (where == PANE)
661: key = KEYC_MOUSEUP1_PANE;
662: if (where == STATUS)
663: key = KEYC_MOUSEUP1_STATUS;
664: if (where == BORDER)
665: key = KEYC_MOUSEUP1_BORDER;
666: break;
667: case 1:
668: if (where == PANE)
669: key = KEYC_MOUSEUP2_PANE;
670: if (where == STATUS)
671: key = KEYC_MOUSEUP2_STATUS;
672: if (where == BORDER)
673: key = KEYC_MOUSEUP2_BORDER;
674: break;
675: case 2:
676: if (where == PANE)
677: key = KEYC_MOUSEUP3_PANE;
678: if (where == STATUS)
679: key = KEYC_MOUSEUP3_STATUS;
680: if (where == BORDER)
681: key = KEYC_MOUSEUP3_BORDER;
682: break;
683: }
684: break;
685: case DOWN:
686: switch (MOUSE_BUTTONS(b)) {
687: case 0:
688: if (where == PANE)
689: key = KEYC_MOUSEDOWN1_PANE;
690: if (where == STATUS)
691: key = KEYC_MOUSEDOWN1_STATUS;
692: if (where == BORDER)
693: key = KEYC_MOUSEDOWN1_BORDER;
694: break;
695: case 1:
696: if (where == PANE)
697: key = KEYC_MOUSEDOWN2_PANE;
698: if (where == STATUS)
699: key = KEYC_MOUSEDOWN2_STATUS;
700: if (where == BORDER)
701: key = KEYC_MOUSEDOWN2_BORDER;
702: break;
703: case 2:
704: if (where == PANE)
705: key = KEYC_MOUSEDOWN3_PANE;
706: if (where == STATUS)
707: key = KEYC_MOUSEDOWN3_STATUS;
708: if (where == BORDER)
709: key = KEYC_MOUSEDOWN3_BORDER;
710: break;
1.66 nicm 711: }
1.131 nicm 712: break;
1.192 nicm 713: case DOUBLE:
714: switch (MOUSE_BUTTONS(b)) {
715: case 0:
716: if (where == PANE)
717: key = KEYC_DOUBLECLICK1_PANE;
718: if (where == STATUS)
719: key = KEYC_DOUBLECLICK1_STATUS;
720: if (where == BORDER)
721: key = KEYC_DOUBLECLICK1_BORDER;
722: break;
723: case 1:
724: if (where == PANE)
725: key = KEYC_DOUBLECLICK2_PANE;
726: if (where == STATUS)
727: key = KEYC_DOUBLECLICK2_STATUS;
728: if (where == BORDER)
729: key = KEYC_DOUBLECLICK2_BORDER;
730: break;
731: case 2:
732: if (where == PANE)
733: key = KEYC_DOUBLECLICK3_PANE;
734: if (where == STATUS)
735: key = KEYC_DOUBLECLICK3_STATUS;
736: if (where == BORDER)
737: key = KEYC_DOUBLECLICK3_BORDER;
738: break;
739: }
740: break;
741: case TRIPLE:
742: switch (MOUSE_BUTTONS(b)) {
743: case 0:
744: if (where == PANE)
745: key = KEYC_TRIPLECLICK1_PANE;
746: if (where == STATUS)
747: key = KEYC_TRIPLECLICK1_STATUS;
748: if (where == BORDER)
749: key = KEYC_TRIPLECLICK1_BORDER;
750: break;
751: case 1:
752: if (where == PANE)
753: key = KEYC_TRIPLECLICK2_PANE;
754: if (where == STATUS)
755: key = KEYC_TRIPLECLICK2_STATUS;
756: if (where == BORDER)
757: key = KEYC_TRIPLECLICK2_BORDER;
758: break;
759: case 2:
760: if (where == PANE)
761: key = KEYC_TRIPLECLICK3_PANE;
762: if (where == STATUS)
763: key = KEYC_TRIPLECLICK3_STATUS;
764: if (where == BORDER)
765: key = KEYC_TRIPLECLICK3_BORDER;
766: break;
767: }
768: break;
1.66 nicm 769: }
1.177 nicm 770: if (key == KEYC_UNKNOWN)
771: return (KEYC_UNKNOWN);
1.66 nicm 772:
1.131 nicm 773: /* Apply modifiers if any. */
774: if (b & MOUSE_MASK_META)
775: key |= KEYC_ESCAPE;
776: if (b & MOUSE_MASK_CTRL)
777: key |= KEYC_CTRL;
778: if (b & MOUSE_MASK_SHIFT)
779: key |= KEYC_SHIFT;
1.66 nicm 780:
1.131 nicm 781: return (key);
1.66 nicm 782: }
783:
1.82 nicm 784: /* Is this fast enough to probably be a paste? */
1.190 nicm 785: static int
1.82 nicm 786: server_client_assume_paste(struct session *s)
787: {
788: struct timeval tv;
1.84 nicm 789: int t;
1.82 nicm 790:
1.163 nicm 791: if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
1.83 nicm 792: return (0);
1.82 nicm 793:
794: timersub(&s->activity_time, &s->last_activity_time, &tv);
1.171 nicm 795: if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
796: log_debug("session %s pasting (flag %d)", s->name,
797: !!(s->flags & SESSION_PASTING));
798: if (s->flags & SESSION_PASTING)
799: return (1);
800: s->flags |= SESSION_PASTING;
801: return (0);
802: }
803: log_debug("session %s not pasting", s->name);
804: s->flags &= ~SESSION_PASTING;
1.83 nicm 805: return (0);
1.82 nicm 806: }
807:
1.18 nicm 808: /* Handle data key input from client. */
809: void
1.168 nicm 810: server_client_handle_key(struct client *c, key_code key)
1.18 nicm 811: {
1.131 nicm 812: struct mouse_event *m = &c->tty.mouse;
1.132 nicm 813: struct session *s = c->session;
1.18 nicm 814: struct window *w;
815: struct window_pane *wp;
816: struct timeval tv;
1.223 nicm 817: struct key_table *table, *first;
1.132 nicm 818: struct key_binding bd_find, *bd;
819: int xtimeout;
1.201 nicm 820: struct cmd_find_state fs;
1.18 nicm 821:
822: /* Check the client is good to accept input. */
1.132 nicm 823: if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
1.18 nicm 824: return;
1.132 nicm 825: w = s->curw->window;
1.18 nicm 826:
827: /* Update the activity timer. */
828: if (gettimeofday(&c->activity_time, NULL) != 0)
829: fatal("gettimeofday failed");
1.149 nicm 830: session_update_activity(s, &c->activity_time);
1.18 nicm 831:
1.132 nicm 832: /* Number keys jump to pane in identify mode. */
1.25 nicm 833: if (c->flags & CLIENT_IDENTIFY && key >= '0' && key <= '9') {
1.30 nicm 834: if (c->flags & CLIENT_READONLY)
835: return;
1.95 nicm 836: window_unzoom(w);
1.18 nicm 837: wp = window_pane_at_index(w, key - '0');
1.187 nicm 838: if (wp != NULL && !window_pane_visible(wp))
839: wp = NULL;
1.214 nicm 840: server_client_clear_identify(c, wp);
1.18 nicm 841: return;
842: }
843:
844: /* Handle status line. */
1.30 nicm 845: if (!(c->flags & CLIENT_READONLY)) {
846: status_message_clear(c);
1.214 nicm 847: server_client_clear_identify(c, NULL);
1.30 nicm 848: }
1.18 nicm 849: if (c->prompt_string != NULL) {
1.193 nicm 850: if (c->flags & CLIENT_READONLY)
851: return;
852: if (status_prompt_key(c, key) == 0)
853: return;
1.18 nicm 854: }
855:
856: /* Check for mouse keys. */
1.204 nicm 857: m->valid = 0;
1.18 nicm 858: if (key == KEYC_MOUSE) {
1.30 nicm 859: if (c->flags & CLIENT_READONLY)
860: return;
1.131 nicm 861: key = server_client_check_mouse(c);
1.177 nicm 862: if (key == KEYC_UNKNOWN)
1.131 nicm 863: return;
864:
865: m->valid = 1;
866: m->key = key;
1.203 nicm 867:
868: /*
1.204 nicm 869: * Mouse drag is in progress, so fire the callback (now that
870: * the mouse event is valid).
1.203 nicm 871: */
1.204 nicm 872: if (key == KEYC_DRAGGING) {
873: c->tty.mouse_drag_update(c, m);
1.203 nicm 874: return;
1.204 nicm 875: }
1.131 nicm 876: } else
877: m->valid = 0;
1.18 nicm 878:
1.202 nicm 879: /* Find affected pane. */
1.227 nicm 880: if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m) != 0)
881: cmd_find_from_session(&fs, s);
882: wp = fs.wp;
1.202 nicm 883:
884: /* Forward mouse keys if disabled. */
1.206 nicm 885: if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
1.202 nicm 886: goto forward;
887:
1.132 nicm 888: /* Treat everything as a regular key when pasting is detected. */
1.161 nicm 889: if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
890: goto forward;
1.18 nicm 891:
1.191 nicm 892: /*
893: * Work out the current key table. If the pane is in a mode, use
894: * the mode table instead of the default key table.
895: */
1.223 nicm 896: if (server_client_is_default_key_table(c, c->keytable) &&
897: wp != NULL &&
898: wp->mode != NULL &&
899: wp->mode->key_table != NULL)
900: table = key_bindings_get_table(wp->mode->key_table(wp), 1);
901: else
1.191 nicm 902: table = c->keytable;
1.223 nicm 903: first = table;
1.191 nicm 904:
1.205 nicm 905: /*
906: * The prefix always takes precedence and forces a switch to the prefix
907: * table, unless we are already there.
908: */
909: if ((key == (key_code)options_get_number(s->options, "prefix") ||
910: key == (key_code)options_get_number(s->options, "prefix2")) &&
911: strcmp(table->name, "prefix") != 0) {
912: server_client_set_key_table(c, "prefix");
913: server_status_client(c);
914: return;
915: }
916:
1.223 nicm 917: retry:
918: /* Log key table. */
919: if (wp == NULL)
920: log_debug("key table %s (no pane)", table->name);
921: else
922: log_debug("key table %s (pane %%%u)", table->name, wp->id);
1.225 nicm 923: if (c->flags & CLIENT_REPEAT)
924: log_debug("currently repeating");
1.223 nicm 925:
1.132 nicm 926: /* Try to see if there is a key binding in the current table. */
1.229 nicm 927: bd_find.key = (key & ~KEYC_XTERM);
1.191 nicm 928: bd = RB_FIND(key_bindings, &table->key_bindings, &bd_find);
1.132 nicm 929: if (bd != NULL) {
930: /*
931: * Key was matched in this table. If currently repeating but a
932: * non-repeating binding was found, stop repeating and try
933: * again in the root table.
934: */
1.222 nicm 935: if ((c->flags & CLIENT_REPEAT) &&
936: (~bd->flags & KEY_BINDING_REPEAT)) {
1.178 nicm 937: server_client_set_key_table(c, NULL);
1.132 nicm 938: c->flags &= ~CLIENT_REPEAT;
1.85 nicm 939: server_status_client(c);
1.223 nicm 940: table = c->keytable;
1.132 nicm 941: goto retry;
1.18 nicm 942: }
1.223 nicm 943: log_debug("found in key table %s", table->name);
1.82 nicm 944:
1.132 nicm 945: /*
946: * Take a reference to this table to make sure the key binding
947: * doesn't disappear.
948: */
949: table->references++;
950:
951: /*
952: * If this is a repeating key, start the timer. Otherwise reset
953: * the client back to the root table.
954: */
1.163 nicm 955: xtimeout = options_get_number(s->options, "repeat-time");
1.222 nicm 956: if (xtimeout != 0 && (bd->flags & KEY_BINDING_REPEAT)) {
1.132 nicm 957: c->flags |= CLIENT_REPEAT;
958:
959: tv.tv_sec = xtimeout / 1000;
960: tv.tv_usec = (xtimeout % 1000) * 1000L;
961: evtimer_del(&c->repeat_timer);
962: evtimer_add(&c->repeat_timer, &tv);
963: } else {
1.18 nicm 964: c->flags &= ~CLIENT_REPEAT;
1.178 nicm 965: server_client_set_key_table(c, NULL);
1.18 nicm 966: }
1.132 nicm 967: server_status_client(c);
968:
1.227 nicm 969: /* Execute the key binding. */
1.231 nicm 970: key_bindings_dispatch(bd, NULL, c, m, &fs);
1.132 nicm 971: key_bindings_unref_table(table);
1.18 nicm 972: return;
973: }
974:
1.132 nicm 975: /*
1.223 nicm 976: * No match in this table. If not in the root table or if repeating,
977: * switch the client back to the root table and try again.
1.132 nicm 978: */
1.223 nicm 979: log_debug("not found in key table %s", table->name);
980: if (!server_client_is_default_key_table(c, table) ||
981: (c->flags & CLIENT_REPEAT)) {
1.178 nicm 982: server_client_set_key_table(c, NULL);
1.18 nicm 983: c->flags &= ~CLIENT_REPEAT;
1.132 nicm 984: server_status_client(c);
1.223 nicm 985: table = c->keytable;
1.132 nicm 986: goto retry;
1.18 nicm 987: }
988:
1.223 nicm 989: /*
990: * No match in the root table either. If this wasn't the first table
991: * tried, don't pass the key to the pane.
992: */
993: if (first != table) {
1.178 nicm 994: server_client_set_key_table(c, NULL);
1.132 nicm 995: server_status_client(c);
1.161 nicm 996: return;
997: }
998:
999: forward:
1000: if (c->flags & CLIENT_READONLY)
1001: return;
1002: if (wp != NULL)
1.132 nicm 1003: window_pane_key(wp, c, s, key, m);
1.18 nicm 1004: }
1005:
1.2 nicm 1006: /* Client functions that need to happen every loop. */
1007: void
1008: server_client_loop(void)
1009: {
1010: struct client *c;
1011: struct window *w;
1012: struct window_pane *wp;
1.197 nicm 1013: int focus;
1.2 nicm 1014:
1.135 nicm 1015: TAILQ_FOREACH(c, &clients, entry) {
1.36 nicm 1016: server_client_check_exit(c);
1017: if (c->session != NULL) {
1018: server_client_check_redraw(c);
1019: server_client_reset_state(c);
1020: }
1.2 nicm 1021: }
1022:
1023: /*
1024: * Any windows will have been redrawn as part of clients, so clear
1.92 nicm 1025: * their flags now. Also check pane focus and resize.
1.2 nicm 1026: */
1.197 nicm 1027: focus = options_get_number(global_options, "focus-events");
1.134 nicm 1028: RB_FOREACH(w, windows, &windows) {
1.91 nicm 1029: TAILQ_FOREACH(wp, &w->panes, entry) {
1.101 nicm 1030: if (wp->fd != -1) {
1.197 nicm 1031: if (focus)
1032: server_client_check_focus(wp);
1.101 nicm 1033: server_client_check_resize(wp);
1034: }
1.2 nicm 1035: wp->flags &= ~PANE_REDRAW;
1.91 nicm 1036: }
1.150 nicm 1037: check_window_name(w);
1.2 nicm 1038: }
1.92 nicm 1039: }
1040:
1.211 nicm 1041: /* Resize timer event. */
1.188 nicm 1042: static void
1043: server_client_resize_event(__unused int fd, __unused short events, void *data)
1.92 nicm 1044: {
1.188 nicm 1045: struct window_pane *wp = data;
1046: struct winsize ws;
1047:
1048: evtimer_del(&wp->resize_timer);
1.92 nicm 1049:
1.101 nicm 1050: if (!(wp->flags & PANE_RESIZE))
1.92 nicm 1051: return;
1052:
1.235 nicm 1053: /*
1054: * If we are resizing to the same size as when we entered the loop
1055: * (that is, to the same size the application currently thinks it is),
1056: * tmux may have gone through several resizes internally and thrown
1057: * away parts of the screen. So we need the application to actually
1058: * redraw even though its final size has not changed.
1059: */
1060: if (wp->sx == wp->osx &&
1061: wp->sy == wp->osy &&
1062: wp->sx > 1 &&
1063: wp->sy > 1) {
1064: memset(&ws, 0, sizeof ws);
1065: ws.ws_col = wp->sx - 1;
1066: ws.ws_row = wp->sy - 1;
1067: if (ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1068: fatal("ioctl failed");
1069: log_debug("%s: %%%u forcing resize", __func__, wp->id);
1070: }
1071:
1.92 nicm 1072: memset(&ws, 0, sizeof ws);
1073: ws.ws_col = wp->sx;
1074: ws.ws_row = wp->sy;
1.100 nicm 1075: if (ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
1.92 nicm 1076: fatal("ioctl failed");
1.235 nicm 1077: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.92 nicm 1078:
1079: wp->flags &= ~PANE_RESIZE;
1.235 nicm 1080:
1081: wp->osx = wp->sx;
1082: wp->osy = wp->sy;
1.188 nicm 1083: }
1084:
1085: /* Check if pane should be resized. */
1.190 nicm 1086: static void
1.188 nicm 1087: server_client_check_resize(struct window_pane *wp)
1088: {
1089: struct timeval tv = { .tv_usec = 250000 };
1090:
1091: if (!(wp->flags & PANE_RESIZE))
1092: return;
1.235 nicm 1093: log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
1.188 nicm 1094:
1095: if (!event_initialized(&wp->resize_timer))
1096: evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
1097:
1098: /*
1099: * The first resize should happen immediately, so if the timer is not
1100: * running, do it now.
1101: */
1102: if (!evtimer_pending(&wp->resize_timer, NULL))
1103: server_client_resize_event(-1, 0, wp);
1104:
1105: /*
1106: * If the pane is in the alternate screen, let the timer expire and
1107: * resize to give the application a chance to redraw. If not, keep
1108: * pushing the timer back.
1109: */
1110: if (wp->saved_grid != NULL && evtimer_pending(&wp->resize_timer, NULL))
1111: return;
1112: evtimer_del(&wp->resize_timer);
1113: evtimer_add(&wp->resize_timer, &tv);
1.91 nicm 1114: }
1115:
1116: /* Check whether pane should be focused. */
1.190 nicm 1117: static void
1.91 nicm 1118: server_client_check_focus(struct window_pane *wp)
1119: {
1.93 nicm 1120: struct client *c;
1.102 nicm 1121: int push;
1122:
1123: /* Do we need to push the focus state? */
1124: push = wp->flags & PANE_FOCUSPUSH;
1125: wp->flags &= ~PANE_FOCUSPUSH;
1.91 nicm 1126:
1127: /* If we don't care about focus, forget it. */
1128: if (!(wp->base.mode & MODE_FOCUSON))
1129: return;
1130:
1131: /* If we're not the active pane in our window, we're not focused. */
1132: if (wp->window->active != wp)
1133: goto not_focused;
1134:
1135: /* If we're in a mode, we're not focused. */
1136: if (wp->screen != &wp->base)
1137: goto not_focused;
1138:
1139: /*
1.93 nicm 1140: * If our window is the current window in any focused clients with an
1141: * attached session, we're focused.
1.91 nicm 1142: */
1.135 nicm 1143: TAILQ_FOREACH(c, &clients, entry) {
1144: if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
1.91 nicm 1145: continue;
1.93 nicm 1146: if (c->session->flags & SESSION_UNATTACHED)
1147: continue;
1148:
1149: if (c->session->curw->window == wp->window)
1.91 nicm 1150: goto focused;
1151: }
1152:
1153: not_focused:
1.102 nicm 1154: if (push || (wp->flags & PANE_FOCUSED))
1.91 nicm 1155: bufferevent_write(wp->event, "\033[O", 3);
1156: wp->flags &= ~PANE_FOCUSED;
1157: return;
1158:
1159: focused:
1.102 nicm 1160: if (push || !(wp->flags & PANE_FOCUSED))
1.91 nicm 1161: bufferevent_write(wp->event, "\033[I", 3);
1162: wp->flags |= PANE_FOCUSED;
1.2 nicm 1163: }
1164:
1.18 nicm 1165: /*
1166: * Update cursor position and mode settings. The scroll region and attributes
1167: * are cleared when idle (waiting for an event) as this is the most likely time
1168: * a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
1169: * compromise between excessive resets and likelihood of an interrupt.
1170: *
1171: * tty_region/tty_reset/tty_update_mode already take care of not resetting
1172: * things that are already in their default state.
1173: */
1.190 nicm 1174: static void
1.18 nicm 1175: server_client_reset_state(struct client *c)
1.1 nicm 1176: {
1.18 nicm 1177: struct window *w = c->session->curw->window;
1.209 nicm 1178: struct window_pane *wp = w->active, *loop;
1.18 nicm 1179: struct screen *s = wp->screen;
1.163 nicm 1180: struct options *oo = c->session->options;
1.66 nicm 1181: int status, mode, o;
1.60 nicm 1182:
1.186 nicm 1183: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.86 nicm 1184: return;
1185:
1.199 nicm 1186: tty_region_off(&c->tty);
1187: tty_margin_off(&c->tty);
1.1 nicm 1188:
1189: status = options_get_number(oo, "status");
1190: if (!window_pane_visible(wp) || wp->yoff + s->cy >= c->tty.sy - status)
1191: tty_cursor(&c->tty, 0, 0);
1.66 nicm 1192: else {
1.126 nicm 1193: o = status && options_get_number(oo, "status-position") == 0;
1.66 nicm 1194: tty_cursor(&c->tty, wp->xoff + s->cx, o + wp->yoff + s->cy);
1195: }
1.1 nicm 1196:
1.50 nicm 1197: /*
1.131 nicm 1198: * Set mouse mode if requested. To support dragging, always use button
1199: * mode.
1.57 nicm 1200: */
1201: mode = s->mode;
1.209 nicm 1202: if (options_get_number(oo, "mouse")) {
1203: mode &= ~ALL_MOUSE_MODES;
1204: TAILQ_FOREACH(loop, &w->panes, entry) {
1205: if (loop->screen->mode & MODE_MOUSE_ALL)
1206: mode |= MODE_MOUSE_ALL;
1207: }
1208: if (~mode & MODE_MOUSE_ALL)
1209: mode |= MODE_MOUSE_BUTTON;
1210: }
1.215 nicm 1211:
1212: /* Clear bracketed paste mode if at the prompt. */
1213: if (c->prompt_string != NULL)
1214: mode &= ~MODE_BRACKETPASTE;
1.48 nicm 1215:
1216: /* Set the terminal mode and reset attributes. */
1.59 nicm 1217: tty_update_mode(&c->tty, mode, s);
1.1 nicm 1218: tty_reset(&c->tty);
1.17 nicm 1219: }
1220:
1221: /* Repeat time callback. */
1.190 nicm 1222: static void
1.170 nicm 1223: server_client_repeat_timer(__unused int fd, __unused short events, void *data)
1.17 nicm 1224: {
1225: struct client *c = data;
1226:
1.85 nicm 1227: if (c->flags & CLIENT_REPEAT) {
1.178 nicm 1228: server_client_set_key_table(c, NULL);
1.132 nicm 1229: c->flags &= ~CLIENT_REPEAT;
1230: server_status_client(c);
1.85 nicm 1231: }
1.192 nicm 1232: }
1233:
1234: /* Double-click callback. */
1235: static void
1236: server_client_click_timer(__unused int fd, __unused short events, void *data)
1237: {
1238: struct client *c = data;
1239:
1240: c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
1.1 nicm 1241: }
1242:
1.36 nicm 1243: /* Check if client should be exited. */
1.190 nicm 1244: static void
1.36 nicm 1245: server_client_check_exit(struct client *c)
1246: {
1247: if (!(c->flags & CLIENT_EXIT))
1248: return;
1249:
1.73 nicm 1250: if (EVBUFFER_LENGTH(c->stdin_data) != 0)
1251: return;
1252: if (EVBUFFER_LENGTH(c->stdout_data) != 0)
1.36 nicm 1253: return;
1.73 nicm 1254: if (EVBUFFER_LENGTH(c->stderr_data) != 0)
1.36 nicm 1255: return;
1256:
1.162 nicm 1257: proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
1.36 nicm 1258: c->flags &= ~CLIENT_EXIT;
1.38 nicm 1259: }
1260:
1.218 nicm 1261: /* Redraw timer callback. */
1262: static void
1263: server_client_redraw_timer(__unused int fd, __unused short events,
1264: __unused void* data)
1265: {
1266: log_debug("redraw timer fired");
1267: }
1268:
1.1 nicm 1269: /* Check for client redraws. */
1.190 nicm 1270: static void
1.1 nicm 1271: server_client_check_redraw(struct client *c)
1272: {
1273: struct session *s = c->session;
1.137 nicm 1274: struct tty *tty = &c->tty;
1.1 nicm 1275: struct window_pane *wp;
1.232 nicm 1276: int needed, flags, masked;
1.218 nicm 1277: struct timeval tv = { .tv_usec = 1000 };
1278: static struct event ev;
1279: size_t left;
1.1 nicm 1280:
1.86 nicm 1281: if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
1.79 nicm 1282: return;
1.218 nicm 1283:
1284: /*
1285: * If there is outstanding data, defer the redraw until it has been
1286: * consumed. We can just add a timer to get out of the event loop and
1287: * end up back here.
1288: */
1289: needed = 0;
1290: if (c->flags & CLIENT_REDRAW)
1291: needed = 1;
1292: else {
1293: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1294: if (wp->flags & PANE_REDRAW) {
1295: needed = 1;
1296: break;
1297: }
1298: }
1299: }
1300: if (needed) {
1301: left = EVBUFFER_LENGTH(tty->out);
1302: if (left != 0) {
1303: log_debug("%s: redraw deferred (%zu left)", c->name, left);
1304: if (evtimer_initialized(&ev) && evtimer_pending(&ev, NULL))
1305: return;
1306: log_debug("redraw timer started");
1307: evtimer_set(&ev, server_client_redraw_timer, NULL);
1308: evtimer_add(&ev, &tv);
1309:
1310: /*
1311: * We may have got here for a single pane redraw, but
1312: * force a full redraw next time in case other panes
1313: * have been updated.
1314: */
1315: c->flags |= CLIENT_REDRAW;
1316: return;
1317: }
1318: if (evtimer_initialized(&ev))
1319: evtimer_del(&ev);
1320: log_debug("%s: redraw needed", c->name);
1321: }
1.79 nicm 1322:
1.1 nicm 1323: if (c->flags & (CLIENT_REDRAW|CLIENT_STATUS)) {
1.163 nicm 1324: if (options_get_number(s->options, "set-titles"))
1.1 nicm 1325: server_client_set_title(c);
1.189 nicm 1326: screen_redraw_update(c); /* will adjust flags */
1.1 nicm 1327: }
1328:
1.219 nicm 1329: flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
1330: tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
1.137 nicm 1331:
1.1 nicm 1332: if (c->flags & CLIENT_REDRAW) {
1.137 nicm 1333: tty_update_mode(tty, tty->mode, NULL);
1.115 nicm 1334: screen_redraw_screen(c, 1, 1, 1);
1.27 nicm 1335: c->flags &= ~(CLIENT_STATUS|CLIENT_BORDERS);
1.1 nicm 1336: } else {
1337: TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
1.137 nicm 1338: if (wp->flags & PANE_REDRAW) {
1339: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1340: screen_redraw_pane(c, wp);
1.137 nicm 1341: }
1.1 nicm 1342: }
1343: }
1344:
1.185 nicm 1345: masked = c->flags & (CLIENT_BORDERS|CLIENT_STATUS);
1346: if (masked != 0)
1.137 nicm 1347: tty_update_mode(tty, tty->mode, NULL);
1.185 nicm 1348: if (masked == CLIENT_BORDERS)
1.115 nicm 1349: screen_redraw_screen(c, 0, 0, 1);
1.185 nicm 1350: else if (masked == CLIENT_STATUS)
1.115 nicm 1351: screen_redraw_screen(c, 0, 1, 0);
1.185 nicm 1352: else if (masked != 0)
1353: screen_redraw_screen(c, 0, 1, 1);
1.1 nicm 1354:
1.137 nicm 1355: tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
1356: tty_update_mode(tty, tty->mode, NULL);
1.1 nicm 1357:
1.153 nicm 1358: c->flags &= ~(CLIENT_REDRAW|CLIENT_BORDERS|CLIENT_STATUS|
1359: CLIENT_STATUSFORCE);
1.230 nicm 1360:
1361: if (needed) {
1362: /*
1363: * We would have deferred the redraw unless the output buffer
1364: * was empty, so we can record how many bytes the redraw
1365: * generated.
1366: */
1367: c->redraw = EVBUFFER_LENGTH(tty->out);
1368: log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
1369: }
1.1 nicm 1370: }
1371:
1372: /* Set client title. */
1.190 nicm 1373: static void
1.1 nicm 1374: server_client_set_title(struct client *c)
1375: {
1.128 nicm 1376: struct session *s = c->session;
1377: const char *template;
1378: char *title;
1379: struct format_tree *ft;
1.1 nicm 1380:
1.163 nicm 1381: template = options_get_string(s->options, "set-titles-string");
1.25 nicm 1382:
1.228 nicm 1383: ft = format_create(c, NULL, FORMAT_NONE, 0);
1.128 nicm 1384: format_defaults(ft, c, NULL, NULL, NULL);
1385:
1386: title = format_expand_time(ft, template, time(NULL));
1.1 nicm 1387: if (c->title == NULL || strcmp(title, c->title) != 0) {
1.77 nicm 1388: free(c->title);
1.1 nicm 1389: c->title = xstrdup(title);
1390: tty_set_title(&c->tty, c->title);
1391: }
1.77 nicm 1392: free(title);
1.128 nicm 1393:
1394: format_free(ft);
1.1 nicm 1395: }
1396:
1397: /* Dispatch message from client. */
1.190 nicm 1398: static void
1.162 nicm 1399: server_client_dispatch(struct imsg *imsg, void *arg)
1.1 nicm 1400: {
1.162 nicm 1401: struct client *c = arg;
1.73 nicm 1402: struct msg_stdin_data stdindata;
1.108 nicm 1403: const char *data;
1.162 nicm 1404: ssize_t datalen;
1.149 nicm 1405: struct session *s;
1.1 nicm 1406:
1.162 nicm 1407: if (c->flags & CLIENT_DEAD)
1408: return;
1409:
1410: if (imsg == NULL) {
1411: server_client_lost(c);
1412: return;
1413: }
1.1 nicm 1414:
1.162 nicm 1415: data = imsg->data;
1416: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1.1 nicm 1417:
1.162 nicm 1418: switch (imsg->hdr.type) {
1419: case MSG_IDENTIFY_FLAGS:
1420: case MSG_IDENTIFY_TERM:
1421: case MSG_IDENTIFY_TTYNAME:
1422: case MSG_IDENTIFY_CWD:
1423: case MSG_IDENTIFY_STDIN:
1424: case MSG_IDENTIFY_ENVIRON:
1425: case MSG_IDENTIFY_CLIENTPID:
1426: case MSG_IDENTIFY_DONE:
1427: server_client_dispatch_identify(c, imsg);
1428: break;
1429: case MSG_COMMAND:
1430: server_client_dispatch_command(c, imsg);
1431: break;
1432: case MSG_STDIN:
1433: if (datalen != sizeof stdindata)
1434: fatalx("bad MSG_STDIN size");
1435: memcpy(&stdindata, data, sizeof stdindata);
1.36 nicm 1436:
1.162 nicm 1437: if (c->stdin_callback == NULL)
1.33 nicm 1438: break;
1.162 nicm 1439: if (stdindata.size <= 0)
1440: c->stdin_closed = 1;
1441: else {
1442: evbuffer_add(c->stdin_data, stdindata.data,
1443: stdindata.size);
1444: }
1445: c->stdin_callback(c, c->stdin_closed,
1446: c->stdin_callback_data);
1447: break;
1448: case MSG_RESIZE:
1449: if (datalen != 0)
1450: fatalx("bad MSG_RESIZE size");
1.1 nicm 1451:
1.162 nicm 1452: if (c->flags & CLIENT_CONTROL)
1.1 nicm 1453: break;
1.236 ! nicm 1454: tty_resize(&c->tty);
! 1455: recalculate_sizes();
! 1456: server_redraw_client(c);
1.174 nicm 1457: if (c->session != NULL)
1.196 nicm 1458: notify_client("client-resized", c);
1.162 nicm 1459: break;
1460: case MSG_EXITING:
1461: if (datalen != 0)
1462: fatalx("bad MSG_EXITING size");
1.1 nicm 1463:
1.162 nicm 1464: c->session = NULL;
1465: tty_close(&c->tty);
1466: proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
1467: break;
1468: case MSG_WAKEUP:
1469: case MSG_UNLOCK:
1470: if (datalen != 0)
1471: fatalx("bad MSG_WAKEUP size");
1.121 nicm 1472:
1.162 nicm 1473: if (!(c->flags & CLIENT_SUSPENDED))
1474: break;
1475: c->flags &= ~CLIENT_SUSPENDED;
1.10 nicm 1476:
1.162 nicm 1477: if (c->tty.fd == -1) /* exited in the meantime */
1.1 nicm 1478: break;
1.162 nicm 1479: s = c->session;
1.1 nicm 1480:
1.162 nicm 1481: if (gettimeofday(&c->activity_time, NULL) != 0)
1482: fatal("gettimeofday failed");
1483:
1484: tty_start_tty(&c->tty);
1485: server_redraw_client(c);
1486: recalculate_sizes();
1.184 nicm 1487:
1488: if (s != NULL)
1489: session_update_activity(s, &c->activity_time);
1.162 nicm 1490: break;
1491: case MSG_SHELL:
1492: if (datalen != 0)
1493: fatalx("bad MSG_SHELL size");
1.1 nicm 1494:
1.162 nicm 1495: server_client_dispatch_shell(c);
1496: break;
1.1 nicm 1497: }
1498: }
1499:
1.194 nicm 1500: /* Callback when command is done. */
1501: static enum cmd_retval
1.195 nicm 1502: server_client_command_done(struct cmdq_item *item, __unused void *data)
1.194 nicm 1503: {
1.195 nicm 1504: struct client *c = item->client;
1.194 nicm 1505:
1506: if (~c->flags & CLIENT_ATTACHED)
1507: c->flags |= CLIENT_EXIT;
1508: return (CMD_RETURN_NORMAL);
1509: }
1510:
1511: /* Show an error message. */
1512: static enum cmd_retval
1.195 nicm 1513: server_client_command_error(struct cmdq_item *item, void *data)
1.194 nicm 1514: {
1515: char *error = data;
1516:
1.195 nicm 1517: cmdq_error(item, "%s", error);
1.194 nicm 1518: free(error);
1519:
1520: return (CMD_RETURN_NORMAL);
1521: }
1522:
1.1 nicm 1523: /* Handle command message. */
1.190 nicm 1524: static void
1.162 nicm 1525: server_client_dispatch_command(struct client *c, struct imsg *imsg)
1.1 nicm 1526: {
1.108 nicm 1527: struct msg_command_data data;
1528: char *buf;
1529: size_t len;
1530: struct cmd_list *cmdlist = NULL;
1531: int argc;
1532: char **argv, *cause;
1533:
1534: if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
1535: fatalx("bad MSG_COMMAND size");
1536: memcpy(&data, imsg->data, sizeof data);
1537:
1.124 nicm 1538: buf = (char *)imsg->data + sizeof data;
1.108 nicm 1539: len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
1540: if (len > 0 && buf[len - 1] != '\0')
1541: fatalx("bad MSG_COMMAND string");
1542:
1543: argc = data.argc;
1544: if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
1.194 nicm 1545: cause = xstrdup("command too long");
1.1 nicm 1546: goto error;
1547: }
1548:
1549: if (argc == 0) {
1550: argc = 1;
1551: argv = xcalloc(1, sizeof *argv);
1552: *argv = xstrdup("new-session");
1553: }
1554:
1.94 nicm 1555: if ((cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause)) == NULL) {
1.1 nicm 1556: cmd_free_argv(argc, argv);
1557: goto error;
1558: }
1559: cmd_free_argv(argc, argv);
1560:
1.194 nicm 1561: cmdq_append(c, cmdq_get_command(cmdlist, NULL, NULL, 0));
1562: cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
1.1 nicm 1563: cmd_list_free(cmdlist);
1564: return;
1565:
1566: error:
1.194 nicm 1567: cmdq_append(c, cmdq_get_callback(server_client_command_error, cause));
1568:
1.1 nicm 1569: if (cmdlist != NULL)
1570: cmd_list_free(cmdlist);
1.88 nicm 1571:
1.36 nicm 1572: c->flags |= CLIENT_EXIT;
1.1 nicm 1573: }
1574:
1575: /* Handle identify message. */
1.190 nicm 1576: static void
1.162 nicm 1577: server_client_dispatch_identify(struct client *c, struct imsg *imsg)
1.1 nicm 1578: {
1.165 nicm 1579: const char *data, *home;
1.232 nicm 1580: size_t datalen;
1.109 nicm 1581: int flags;
1.216 nicm 1582: char *name;
1.109 nicm 1583:
1584: if (c->flags & CLIENT_IDENTIFIED)
1585: fatalx("out-of-order identify message");
1586:
1587: data = imsg->data;
1588: datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
1589:
1590: switch (imsg->hdr.type) {
1591: case MSG_IDENTIFY_FLAGS:
1592: if (datalen != sizeof flags)
1593: fatalx("bad MSG_IDENTIFY_FLAGS size");
1594: memcpy(&flags, data, sizeof flags);
1595: c->flags |= flags;
1.158 nicm 1596: log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
1.109 nicm 1597: break;
1598: case MSG_IDENTIFY_TERM:
1.110 nicm 1599: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1600: fatalx("bad MSG_IDENTIFY_TERM string");
1601: c->term = xstrdup(data);
1.158 nicm 1602: log_debug("client %p IDENTIFY_TERM %s", c, data);
1.109 nicm 1603: break;
1604: case MSG_IDENTIFY_TTYNAME:
1.110 nicm 1605: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1606: fatalx("bad MSG_IDENTIFY_TTYNAME string");
1607: c->ttyname = xstrdup(data);
1.158 nicm 1608: log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
1.109 nicm 1609: break;
1610: case MSG_IDENTIFY_CWD:
1.155 nicm 1611: if (datalen == 0 || data[datalen - 1] != '\0')
1612: fatalx("bad MSG_IDENTIFY_CWD string");
1.165 nicm 1613: if (access(data, X_OK) == 0)
1614: c->cwd = xstrdup(data);
1615: else if ((home = find_home()) != NULL)
1616: c->cwd = xstrdup(home);
1617: else
1618: c->cwd = xstrdup("/");
1.158 nicm 1619: log_debug("client %p IDENTIFY_CWD %s", c, data);
1.109 nicm 1620: break;
1621: case MSG_IDENTIFY_STDIN:
1622: if (datalen != 0)
1623: fatalx("bad MSG_IDENTIFY_STDIN size");
1624: c->fd = imsg->fd;
1.158 nicm 1625: log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
1.109 nicm 1626: break;
1627: case MSG_IDENTIFY_ENVIRON:
1.110 nicm 1628: if (datalen == 0 || data[datalen - 1] != '\0')
1.109 nicm 1629: fatalx("bad MSG_IDENTIFY_ENVIRON string");
1630: if (strchr(data, '=') != NULL)
1.164 nicm 1631: environ_put(c->environ, data);
1.158 nicm 1632: log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
1.143 nicm 1633: break;
1634: case MSG_IDENTIFY_CLIENTPID:
1635: if (datalen != sizeof c->pid)
1636: fatalx("bad MSG_IDENTIFY_CLIENTPID size");
1637: memcpy(&c->pid, data, sizeof c->pid);
1.158 nicm 1638: log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
1.109 nicm 1639: break;
1640: default:
1641: break;
1642: }
1643:
1644: if (imsg->hdr.type != MSG_IDENTIFY_DONE)
1645: return;
1646: c->flags |= CLIENT_IDENTIFIED;
1.75 nicm 1647:
1.216 nicm 1648: if (*c->ttyname != '\0')
1649: name = xstrdup(c->ttyname);
1650: else
1651: xasprintf(&name, "client-%ld", (long)c->pid);
1652: c->name = name;
1653: log_debug("client %p name is %s", c, c->name);
1654:
1.109 nicm 1655: if (c->flags & CLIENT_CONTROL) {
1.75 nicm 1656: c->stdin_callback = control_callback;
1.109 nicm 1657:
1.97 nicm 1658: evbuffer_free(c->stderr_data);
1659: c->stderr_data = c->stdout_data;
1.109 nicm 1660:
1661: if (c->flags & CLIENT_CONTROLCONTROL)
1.96 nicm 1662: evbuffer_add_printf(c->stdout_data, "\033P1000p");
1.162 nicm 1663: proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
1.75 nicm 1664:
1665: c->tty.fd = -1;
1666:
1.109 nicm 1667: close(c->fd);
1668: c->fd = -1;
1669:
1.75 nicm 1670: return;
1671: }
1.1 nicm 1672:
1.109 nicm 1673: if (c->fd == -1)
1.104 nicm 1674: return;
1.145 nicm 1675: if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
1.109 nicm 1676: close(c->fd);
1677: c->fd = -1;
1.80 nicm 1678: return;
1679: }
1.109 nicm 1680: if (c->flags & CLIENT_UTF8)
1.1 nicm 1681: c->tty.flags |= TTY_UTF8;
1.109 nicm 1682: if (c->flags & CLIENT_256COLOURS)
1.1 nicm 1683: c->tty.term_flags |= TERM_256COLOURS;
1684:
1685: tty_resize(&c->tty);
1686:
1.109 nicm 1687: if (!(c->flags & CLIENT_CONTROL))
1.86 nicm 1688: c->flags |= CLIENT_TERMINAL;
1.1 nicm 1689: }
1690:
1691: /* Handle shell message. */
1.190 nicm 1692: static void
1.162 nicm 1693: server_client_dispatch_shell(struct client *c)
1.1 nicm 1694: {
1.107 nicm 1695: const char *shell;
1.25 nicm 1696:
1.163 nicm 1697: shell = options_get_string(global_s_options, "default-shell");
1.1 nicm 1698: if (*shell == '\0' || areshell(shell))
1699: shell = _PATH_BSHELL;
1.162 nicm 1700: proc_send_s(c->peer, MSG_SHELL, shell);
1.25 nicm 1701:
1.162 nicm 1702: proc_kill_peer(c->peer);
1.169 nicm 1703: }
1704:
1705: /* Event callback to push more stdout data if any left. */
1706: static void
1.170 nicm 1707: server_client_stdout_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1708: {
1709: struct client *c = arg;
1710:
1711: if (~c->flags & CLIENT_DEAD)
1712: server_client_push_stdout(c);
1713: server_client_unref(c);
1714: }
1715:
1716: /* Push stdout to client if possible. */
1717: void
1718: server_client_push_stdout(struct client *c)
1719: {
1720: struct msg_stdout_data data;
1.232 nicm 1721: size_t sent, left;
1.169 nicm 1722:
1723: left = EVBUFFER_LENGTH(c->stdout_data);
1724: while (left != 0) {
1725: sent = left;
1726: if (sent > sizeof data.data)
1727: sent = sizeof data.data;
1728: memcpy(data.data, EVBUFFER_DATA(c->stdout_data), sent);
1729: data.size = sent;
1730:
1731: if (proc_send(c->peer, MSG_STDOUT, -1, &data, sizeof data) != 0)
1732: break;
1733: evbuffer_drain(c->stdout_data, sent);
1734:
1735: left = EVBUFFER_LENGTH(c->stdout_data);
1736: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1737: sent, left);
1738: }
1739: if (left != 0) {
1740: c->references++;
1741: event_once(-1, EV_TIMEOUT, server_client_stdout_cb, c, NULL);
1742: log_debug("%s: client %p, queued", __func__, c);
1743: }
1744: }
1745:
1746: /* Event callback to push more stderr data if any left. */
1747: static void
1.170 nicm 1748: server_client_stderr_cb(__unused int fd, __unused short events, void *arg)
1.169 nicm 1749: {
1750: struct client *c = arg;
1751:
1752: if (~c->flags & CLIENT_DEAD)
1753: server_client_push_stderr(c);
1754: server_client_unref(c);
1755: }
1756:
1757: /* Push stderr to client if possible. */
1758: void
1759: server_client_push_stderr(struct client *c)
1760: {
1761: struct msg_stderr_data data;
1.232 nicm 1762: size_t sent, left;
1.169 nicm 1763:
1764: if (c->stderr_data == c->stdout_data) {
1765: server_client_push_stdout(c);
1766: return;
1767: }
1768:
1769: left = EVBUFFER_LENGTH(c->stderr_data);
1770: while (left != 0) {
1771: sent = left;
1772: if (sent > sizeof data.data)
1773: sent = sizeof data.data;
1774: memcpy(data.data, EVBUFFER_DATA(c->stderr_data), sent);
1775: data.size = sent;
1776:
1777: if (proc_send(c->peer, MSG_STDERR, -1, &data, sizeof data) != 0)
1778: break;
1779: evbuffer_drain(c->stderr_data, sent);
1780:
1781: left = EVBUFFER_LENGTH(c->stderr_data);
1782: log_debug("%s: client %p, sent %zu, left %zu", __func__, c,
1783: sent, left);
1784: }
1785: if (left != 0) {
1786: c->references++;
1787: event_once(-1, EV_TIMEOUT, server_client_stderr_cb, c, NULL);
1788: log_debug("%s: client %p, queued", __func__, c);
1.212 nicm 1789: }
1790: }
1791:
1792: /* Add to client message log. */
1793: void
1794: server_client_add_message(struct client *c, const char *fmt, ...)
1795: {
1796: struct message_entry *msg, *msg1;
1797: char *s;
1798: va_list ap;
1799: u_int limit;
1800:
1801: va_start(ap, fmt);
1802: xvasprintf(&s, fmt, ap);
1803: va_end(ap);
1804:
1.216 nicm 1805: log_debug("message %s (client %p)", s, c);
1.212 nicm 1806:
1807: msg = xcalloc(1, sizeof *msg);
1808: msg->msg_time = time(NULL);
1809: msg->msg_num = c->message_next++;
1810: msg->msg = s;
1811: TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
1812:
1813: limit = options_get_number(global_options, "message-limit");
1814: TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
1815: if (msg->msg_num + limit >= c->message_next)
1816: break;
1817: free(msg->msg);
1818: TAILQ_REMOVE(&c->message_log, msg, entry);
1819: free(msg);
1.169 nicm 1820: }
1.213 nicm 1821: }
1822:
1823: /* Get client working directory. */
1824: const char *
1825: server_client_get_cwd(struct client *c)
1826: {
1827: struct session *s;
1828:
1829: if (c != NULL && c->session == NULL && c->cwd != NULL)
1830: return (c->cwd);
1831: if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
1832: return (s->cwd);
1833: return (".");
1834: }
1835:
1836: /* Resolve an absolute path or relative to client working directory. */
1837: char *
1838: server_client_get_path(struct client *c, const char *file)
1839: {
1840: char *path, resolved[PATH_MAX];
1841:
1842: if (*file == '/')
1843: path = xstrdup(file);
1844: else
1845: xasprintf(&path, "%s/%s", server_client_get_cwd(c), file);
1846: if (realpath(path, resolved) == NULL)
1847: return (path);
1848: free(path);
1849: return (xstrdup(resolved));
1.1 nicm 1850: }
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