mirror of
https://github.com/tmux/tmux.git
synced 2024-12-13 10:08:47 +00:00
abb4e9e2fa
it once at startup instead of in every call to tty_open.
1219 lines
29 KiB
C
1219 lines
29 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/uio.h>
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#include <errno.h>
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#include <event.h>
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#include <fcntl.h>
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#include <imsg.h>
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#include <paths.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include "tmux.h"
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void server_client_key_table(struct client *, const char *);
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void server_client_free(int, short, void *);
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void server_client_check_focus(struct window_pane *);
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void server_client_check_resize(struct window_pane *);
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int server_client_check_mouse(struct client *);
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void server_client_repeat_timer(int, short, void *);
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void server_client_check_exit(struct client *);
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void server_client_check_redraw(struct client *);
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void server_client_set_title(struct client *);
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void server_client_reset_state(struct client *);
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int server_client_assume_paste(struct session *);
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void server_client_dispatch(struct imsg *, void *);
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void server_client_dispatch_command(struct client *, struct imsg *);
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void server_client_dispatch_identify(struct client *, struct imsg *);
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void server_client_dispatch_shell(struct client *);
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/* Check if this client is inside this server. */
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int
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server_client_check_nested(struct client *c)
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{
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struct environ_entry *envent;
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struct window_pane *wp;
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if (c->tty.path == NULL)
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return (0);
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envent = environ_find(c->environ, "TMUX");
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if (envent == NULL || *envent->value == '\0')
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return (0);
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RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
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if (strcmp(wp->tty, c->tty.path) == 0)
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return (1);
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}
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return (0);
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}
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/* Set client key table. */
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void
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server_client_key_table(struct client *c, const char *name)
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{
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key_bindings_unref_table(c->keytable);
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c->keytable = key_bindings_get_table(name, 1);
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c->keytable->references++;
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}
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/* Create a new client. */
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void
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server_client_create(int fd)
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{
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struct client *c;
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setblocking(fd, 0);
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c = xcalloc(1, sizeof *c);
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c->references = 1;
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c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
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if (gettimeofday(&c->creation_time, NULL) != 0)
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fatal("gettimeofday failed");
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memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
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c->environ = environ_create();
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c->fd = -1;
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c->cwd = NULL;
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c->cmdq = cmdq_new(c);
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c->cmdq->client_exit = 1;
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c->stdin_data = evbuffer_new();
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c->stdout_data = evbuffer_new();
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c->stderr_data = evbuffer_new();
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c->tty.fd = -1;
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c->title = NULL;
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c->session = NULL;
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c->last_session = NULL;
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c->tty.sx = 80;
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c->tty.sy = 24;
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screen_init(&c->status, c->tty.sx, 1, 0);
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c->message_string = NULL;
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TAILQ_INIT(&c->message_log);
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c->prompt_string = NULL;
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c->prompt_buffer = NULL;
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c->prompt_index = 0;
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c->flags |= CLIENT_FOCUSED;
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c->keytable = key_bindings_get_table("root", 1);
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c->keytable->references++;
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evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
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TAILQ_INSERT_TAIL(&clients, c, entry);
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log_debug("new client %p", c);
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}
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/* Open client terminal if needed. */
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int
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server_client_open(struct client *c, char **cause)
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{
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if (c->flags & CLIENT_CONTROL)
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return (0);
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if (strcmp(c->ttyname, "/dev/tty") == 0) {
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*cause = xstrdup("can't use /dev/tty");
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return (-1);
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}
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if (!(c->flags & CLIENT_TERMINAL)) {
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*cause = xstrdup("not a terminal");
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return (-1);
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}
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if (tty_open(&c->tty, cause) != 0)
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return (-1);
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return (0);
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}
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/* Lost a client. */
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void
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server_client_lost(struct client *c)
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{
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struct message_entry *msg, *msg1;
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c->flags |= CLIENT_DEAD;
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status_prompt_clear(c);
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status_message_clear(c);
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if (c->stdin_callback != NULL)
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c->stdin_callback(c, 1, c->stdin_callback_data);
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TAILQ_REMOVE(&clients, c, entry);
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log_debug("lost client %p", c);
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/*
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* If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
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* and tty_free might close an unrelated fd.
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*/
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if (c->flags & CLIENT_TERMINAL)
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tty_free(&c->tty);
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free(c->ttyname);
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free(c->term);
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evbuffer_free(c->stdin_data);
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evbuffer_free(c->stdout_data);
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if (c->stderr_data != c->stdout_data)
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evbuffer_free(c->stderr_data);
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if (event_initialized(&c->status_timer))
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evtimer_del(&c->status_timer);
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screen_free(&c->status);
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free(c->title);
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free((void *)c->cwd);
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evtimer_del(&c->repeat_timer);
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key_bindings_unref_table(c->keytable);
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if (event_initialized(&c->identify_timer))
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evtimer_del(&c->identify_timer);
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free(c->message_string);
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if (event_initialized(&c->message_timer))
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evtimer_del(&c->message_timer);
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TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
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free(msg->msg);
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TAILQ_REMOVE(&c->message_log, msg, entry);
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free(msg);
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}
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free(c->prompt_string);
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free(c->prompt_buffer);
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c->cmdq->flags |= CMD_Q_DEAD;
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cmdq_free(c->cmdq);
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c->cmdq = NULL;
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environ_free(c->environ);
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proc_remove_peer(c->peer);
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c->peer = NULL;
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server_client_unref(c);
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server_add_accept(0); /* may be more file descriptors now */
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recalculate_sizes();
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server_check_unattached();
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server_update_socket();
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}
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/* Remove reference from a client. */
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void
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server_client_unref(struct client *c)
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{
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log_debug("unref client %p (%d references)", c, c->references);
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c->references--;
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if (c->references == 0)
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event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
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}
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/* Free dead client. */
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void
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server_client_free(unused int fd, unused short events, void *arg)
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{
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struct client *c = arg;
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log_debug("free client %p (%d references)", c, c->references);
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if (c->references == 0)
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free(c);
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}
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/* Check for mouse keys. */
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int
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server_client_check_mouse(struct client *c)
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{
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struct session *s = c->session;
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struct mouse_event *m = &c->tty.mouse;
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struct window *w;
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struct window_pane *wp;
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enum { NOTYPE, DOWN, UP, DRAG, WHEEL } type = NOTYPE;
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enum { NOWHERE, PANE, STATUS, BORDER } where = NOWHERE;
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u_int x, y, b;
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int key;
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log_debug("mouse %02x at %u,%u (last %u,%u) (%d)", m->b, m->x, m->y,
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m->lx, m->ly, c->tty.mouse_drag_flag);
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/* What type of event is this? */
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if (MOUSE_DRAG(m->b)) {
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type = DRAG;
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if (c->tty.mouse_drag_flag) {
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x = m->x, y = m->y, b = m->b;
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log_debug("drag update at %u,%u", x, y);
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} else {
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x = m->lx, y = m->ly, b = m->lb;
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log_debug("drag start at %u,%u", x, y);
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}
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} else if (MOUSE_WHEEL(m->b)) {
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type = WHEEL;
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x = m->x, y = m->y, b = m->b;
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log_debug("wheel at %u,%u", x, y);
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} else if (MOUSE_BUTTONS(m->b) == 3) {
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type = UP;
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x = m->x, y = m->y, b = m->lb;
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log_debug("up at %u,%u", x, y);
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} else {
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type = DOWN;
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x = m->x, y = m->y, b = m->b;
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log_debug("down at %u,%u", x, y);
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}
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if (type == NOTYPE)
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return (KEYC_NONE);
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/* Always save the session. */
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m->s = s->id;
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/* Is this on the status line? */
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m->statusat = status_at_line(c);
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if (m->statusat != -1 && y == (u_int)m->statusat) {
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w = status_get_window_at(c, x);
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if (w == NULL)
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return (KEYC_NONE);
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m->w = w->id;
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where = STATUS;
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} else
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m->w = -1;
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/* Not on status line. Adjust position and check for border or pane. */
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if (where == NOWHERE) {
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if (m->statusat == 0 && y > 0)
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y--;
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else if (m->statusat > 0 && y >= (u_int)m->statusat)
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y = m->statusat - 1;
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TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
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if ((wp->xoff + wp->sx == x &&
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wp->yoff <= 1 + y &&
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wp->yoff + wp->sy >= y) ||
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(wp->yoff + wp->sy == y &&
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wp->xoff <= 1 + x &&
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wp->xoff + wp->sx >= x))
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break;
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}
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if (wp != NULL)
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where = BORDER;
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else {
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wp = window_get_active_at(s->curw->window, x, y);
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if (wp != NULL)
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where = PANE;
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log_debug("mouse at %u,%u is on pane %%%u", x, y,
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wp->id);
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}
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if (where == NOWHERE)
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return (KEYC_NONE);
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m->wp = wp->id;
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m->w = wp->window->id;
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} else
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m->wp = -1;
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/* Stop dragging if needed. */
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if (type != DRAG && c->tty.mouse_drag_flag) {
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if (c->tty.mouse_drag_release != NULL)
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c->tty.mouse_drag_release(c, m);
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c->tty.mouse_drag_update = NULL;
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c->tty.mouse_drag_release = NULL;
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c->tty.mouse_drag_flag = 0;
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return (KEYC_MOUSE); /* not a key, but still may want to pass */
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}
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/* Convert to a key binding. */
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key = KEYC_NONE;
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switch (type) {
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case NOTYPE:
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break;
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case DRAG:
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if (c->tty.mouse_drag_update != NULL)
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c->tty.mouse_drag_update(c, m);
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else {
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switch (MOUSE_BUTTONS(b)) {
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case 0:
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if (where == PANE)
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key = KEYC_MOUSEDRAG1_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEDRAG1_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEDRAG1_BORDER;
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break;
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case 1:
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if (where == PANE)
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key = KEYC_MOUSEDRAG2_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEDRAG2_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEDRAG2_BORDER;
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break;
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case 2:
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if (where == PANE)
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key = KEYC_MOUSEDRAG3_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEDRAG3_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEDRAG3_BORDER;
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break;
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}
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}
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c->tty.mouse_drag_flag = 1;
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break;
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case WHEEL:
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if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
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if (where == PANE)
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key = KEYC_WHEELUP_PANE;
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if (where == STATUS)
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key = KEYC_WHEELUP_STATUS;
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if (where == BORDER)
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key = KEYC_WHEELUP_BORDER;
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} else {
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if (where == PANE)
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key = KEYC_WHEELDOWN_PANE;
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if (where == STATUS)
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key = KEYC_WHEELDOWN_STATUS;
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if (where == BORDER)
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key = KEYC_WHEELDOWN_BORDER;
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}
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break;
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case UP:
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switch (MOUSE_BUTTONS(b)) {
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case 0:
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if (where == PANE)
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key = KEYC_MOUSEUP1_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEUP1_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEUP1_BORDER;
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break;
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case 1:
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if (where == PANE)
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key = KEYC_MOUSEUP2_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEUP2_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEUP2_BORDER;
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break;
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case 2:
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if (where == PANE)
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key = KEYC_MOUSEUP3_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEUP3_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEUP3_BORDER;
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break;
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}
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break;
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case DOWN:
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switch (MOUSE_BUTTONS(b)) {
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case 0:
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if (where == PANE)
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key = KEYC_MOUSEDOWN1_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEDOWN1_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEDOWN1_BORDER;
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break;
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case 1:
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if (where == PANE)
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key = KEYC_MOUSEDOWN2_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEDOWN2_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEDOWN2_BORDER;
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break;
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case 2:
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if (where == PANE)
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key = KEYC_MOUSEDOWN3_PANE;
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if (where == STATUS)
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key = KEYC_MOUSEDOWN3_STATUS;
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if (where == BORDER)
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key = KEYC_MOUSEDOWN3_BORDER;
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break;
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}
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break;
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}
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if (key == KEYC_NONE)
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return (KEYC_NONE);
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/* Apply modifiers if any. */
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if (b & MOUSE_MASK_META)
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key |= KEYC_ESCAPE;
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if (b & MOUSE_MASK_CTRL)
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key |= KEYC_CTRL;
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if (b & MOUSE_MASK_SHIFT)
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key |= KEYC_SHIFT;
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return (key);
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}
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|
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/* Is this fast enough to probably be a paste? */
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int
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server_client_assume_paste(struct session *s)
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{
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struct timeval tv;
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int t;
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if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
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return (0);
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timersub(&s->activity_time, &s->last_activity_time, &tv);
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if (tv.tv_sec == 0 && tv.tv_usec < t * 1000)
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return (1);
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return (0);
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}
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|
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/* Handle data key input from client. */
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void
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server_client_handle_key(struct client *c, int key)
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{
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struct mouse_event *m = &c->tty.mouse;
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struct session *s = c->session;
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struct window *w;
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struct window_pane *wp;
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struct timeval tv;
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struct key_table *table;
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struct key_binding bd_find, *bd;
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int xtimeout;
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/* Check the client is good to accept input. */
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if (s == NULL || (c->flags & (CLIENT_DEAD|CLIENT_SUSPENDED)) != 0)
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return;
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w = s->curw->window;
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|
|
/* Update the activity timer. */
|
|
if (gettimeofday(&c->activity_time, NULL) != 0)
|
|
fatal("gettimeofday failed");
|
|
session_update_activity(s, &c->activity_time);
|
|
|
|
/* Number keys jump to pane in identify mode. */
|
|
if (c->flags & CLIENT_IDENTIFY && key >= '0' && key <= '9') {
|
|
if (c->flags & CLIENT_READONLY)
|
|
return;
|
|
window_unzoom(w);
|
|
wp = window_pane_at_index(w, key - '0');
|
|
if (wp != NULL && window_pane_visible(wp))
|
|
window_set_active_pane(w, wp);
|
|
server_clear_identify(c);
|
|
return;
|
|
}
|
|
|
|
/* Handle status line. */
|
|
if (!(c->flags & CLIENT_READONLY)) {
|
|
status_message_clear(c);
|
|
server_clear_identify(c);
|
|
}
|
|
if (c->prompt_string != NULL) {
|
|
if (!(c->flags & CLIENT_READONLY))
|
|
status_prompt_key(c, key);
|
|
return;
|
|
}
|
|
|
|
/* Check for mouse keys. */
|
|
if (key == KEYC_MOUSE) {
|
|
if (c->flags & CLIENT_READONLY)
|
|
return;
|
|
key = server_client_check_mouse(c);
|
|
if (key == KEYC_NONE)
|
|
return;
|
|
|
|
m->valid = 1;
|
|
m->key = key;
|
|
|
|
if (!options_get_number(s->options, "mouse"))
|
|
goto forward;
|
|
} else
|
|
m->valid = 0;
|
|
|
|
/* Treat everything as a regular key when pasting is detected. */
|
|
if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
|
|
goto forward;
|
|
|
|
retry:
|
|
/* Try to see if there is a key binding in the current table. */
|
|
bd_find.key = key;
|
|
bd = RB_FIND(key_bindings, &c->keytable->key_bindings, &bd_find);
|
|
if (bd != NULL) {
|
|
/*
|
|
* Key was matched in this table. If currently repeating but a
|
|
* non-repeating binding was found, stop repeating and try
|
|
* again in the root table.
|
|
*/
|
|
if ((c->flags & CLIENT_REPEAT) && !bd->can_repeat) {
|
|
server_client_key_table(c, "root");
|
|
c->flags &= ~CLIENT_REPEAT;
|
|
server_status_client(c);
|
|
goto retry;
|
|
}
|
|
|
|
/*
|
|
* Take a reference to this table to make sure the key binding
|
|
* doesn't disappear.
|
|
*/
|
|
table = c->keytable;
|
|
table->references++;
|
|
|
|
/*
|
|
* If this is a repeating key, start the timer. Otherwise reset
|
|
* the client back to the root table.
|
|
*/
|
|
xtimeout = options_get_number(s->options, "repeat-time");
|
|
if (xtimeout != 0 && bd->can_repeat) {
|
|
c->flags |= CLIENT_REPEAT;
|
|
|
|
tv.tv_sec = xtimeout / 1000;
|
|
tv.tv_usec = (xtimeout % 1000) * 1000L;
|
|
evtimer_del(&c->repeat_timer);
|
|
evtimer_add(&c->repeat_timer, &tv);
|
|
} else {
|
|
c->flags &= ~CLIENT_REPEAT;
|
|
server_client_key_table(c, "root");
|
|
}
|
|
server_status_client(c);
|
|
|
|
/* Dispatch the key binding. */
|
|
key_bindings_dispatch(bd, c, m);
|
|
key_bindings_unref_table(table);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* No match in this table. If repeating, switch the client back to the
|
|
* root table and try again.
|
|
*/
|
|
if (c->flags & CLIENT_REPEAT) {
|
|
server_client_key_table(c, "root");
|
|
c->flags &= ~CLIENT_REPEAT;
|
|
server_status_client(c);
|
|
goto retry;
|
|
}
|
|
|
|
/* If no match and we're not in the root table, that's it. */
|
|
if (strcmp(c->keytable->name, "root") != 0) {
|
|
server_client_key_table(c, "root");
|
|
server_status_client(c);
|
|
return;
|
|
}
|
|
|
|
/*
|
|
* No match, but in the root table. Prefix switches to the prefix table
|
|
* and everything else is passed through.
|
|
*/
|
|
if (key == options_get_number(s->options, "prefix") ||
|
|
key == options_get_number(s->options, "prefix2")) {
|
|
server_client_key_table(c, "prefix");
|
|
server_status_client(c);
|
|
return;
|
|
}
|
|
|
|
forward:
|
|
if (c->flags & CLIENT_READONLY)
|
|
return;
|
|
if (KEYC_IS_MOUSE(key))
|
|
wp = cmd_mouse_pane(m, NULL, NULL);
|
|
else
|
|
wp = w->active;
|
|
if (wp != NULL)
|
|
window_pane_key(wp, c, s, key, m);
|
|
}
|
|
|
|
/* Client functions that need to happen every loop. */
|
|
void
|
|
server_client_loop(void)
|
|
{
|
|
struct client *c;
|
|
struct window *w;
|
|
struct window_pane *wp;
|
|
|
|
TAILQ_FOREACH(c, &clients, entry) {
|
|
server_client_check_exit(c);
|
|
if (c->session != NULL) {
|
|
server_client_check_redraw(c);
|
|
server_client_reset_state(c);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Any windows will have been redrawn as part of clients, so clear
|
|
* their flags now. Also check pane focus and resize.
|
|
*/
|
|
RB_FOREACH(w, windows, &windows) {
|
|
w->flags &= ~WINDOW_REDRAW;
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (wp->fd != -1) {
|
|
server_client_check_focus(wp);
|
|
server_client_check_resize(wp);
|
|
}
|
|
wp->flags &= ~PANE_REDRAW;
|
|
}
|
|
check_window_name(w);
|
|
}
|
|
}
|
|
|
|
/* Check if pane should be resized. */
|
|
void
|
|
server_client_check_resize(struct window_pane *wp)
|
|
{
|
|
struct winsize ws;
|
|
|
|
if (!(wp->flags & PANE_RESIZE))
|
|
return;
|
|
|
|
memset(&ws, 0, sizeof ws);
|
|
ws.ws_col = wp->sx;
|
|
ws.ws_row = wp->sy;
|
|
|
|
if (ioctl(wp->fd, TIOCSWINSZ, &ws) == -1)
|
|
fatal("ioctl failed");
|
|
|
|
wp->flags &= ~PANE_RESIZE;
|
|
}
|
|
|
|
/* Check whether pane should be focused. */
|
|
void
|
|
server_client_check_focus(struct window_pane *wp)
|
|
{
|
|
struct client *c;
|
|
int push;
|
|
|
|
/* Are focus events off? */
|
|
if (!options_get_number(global_options, "focus-events"))
|
|
return;
|
|
|
|
/* Do we need to push the focus state? */
|
|
push = wp->flags & PANE_FOCUSPUSH;
|
|
wp->flags &= ~PANE_FOCUSPUSH;
|
|
|
|
/* If we don't care about focus, forget it. */
|
|
if (!(wp->base.mode & MODE_FOCUSON))
|
|
return;
|
|
|
|
/* If we're not the active pane in our window, we're not focused. */
|
|
if (wp->window->active != wp)
|
|
goto not_focused;
|
|
|
|
/* If we're in a mode, we're not focused. */
|
|
if (wp->screen != &wp->base)
|
|
goto not_focused;
|
|
|
|
/*
|
|
* If our window is the current window in any focused clients with an
|
|
* attached session, we're focused.
|
|
*/
|
|
TAILQ_FOREACH(c, &clients, entry) {
|
|
if (c->session == NULL || !(c->flags & CLIENT_FOCUSED))
|
|
continue;
|
|
if (c->session->flags & SESSION_UNATTACHED)
|
|
continue;
|
|
|
|
if (c->session->curw->window == wp->window)
|
|
goto focused;
|
|
}
|
|
|
|
not_focused:
|
|
if (push || (wp->flags & PANE_FOCUSED))
|
|
bufferevent_write(wp->event, "\033[O", 3);
|
|
wp->flags &= ~PANE_FOCUSED;
|
|
return;
|
|
|
|
focused:
|
|
if (push || !(wp->flags & PANE_FOCUSED))
|
|
bufferevent_write(wp->event, "\033[I", 3);
|
|
wp->flags |= PANE_FOCUSED;
|
|
}
|
|
|
|
/*
|
|
* Update cursor position and mode settings. The scroll region and attributes
|
|
* are cleared when idle (waiting for an event) as this is the most likely time
|
|
* a user may interrupt tmux, for example with ~^Z in ssh(1). This is a
|
|
* compromise between excessive resets and likelihood of an interrupt.
|
|
*
|
|
* tty_region/tty_reset/tty_update_mode already take care of not resetting
|
|
* things that are already in their default state.
|
|
*/
|
|
void
|
|
server_client_reset_state(struct client *c)
|
|
{
|
|
struct window *w = c->session->curw->window;
|
|
struct window_pane *wp = w->active;
|
|
struct screen *s = wp->screen;
|
|
struct options *oo = c->session->options;
|
|
int status, mode, o;
|
|
|
|
if (c->flags & CLIENT_SUSPENDED)
|
|
return;
|
|
|
|
if (c->flags & CLIENT_CONTROL)
|
|
return;
|
|
|
|
tty_region(&c->tty, 0, c->tty.sy - 1);
|
|
|
|
status = options_get_number(oo, "status");
|
|
if (!window_pane_visible(wp) || wp->yoff + s->cy >= c->tty.sy - status)
|
|
tty_cursor(&c->tty, 0, 0);
|
|
else {
|
|
o = status && options_get_number(oo, "status-position") == 0;
|
|
tty_cursor(&c->tty, wp->xoff + s->cx, o + wp->yoff + s->cy);
|
|
}
|
|
|
|
/*
|
|
* Set mouse mode if requested. To support dragging, always use button
|
|
* mode.
|
|
*/
|
|
mode = s->mode;
|
|
if (options_get_number(oo, "mouse"))
|
|
mode = (mode & ~ALL_MOUSE_MODES) | MODE_MOUSE_BUTTON;
|
|
|
|
/*
|
|
* Set UTF-8 mouse input if required. If the terminal is UTF-8, the
|
|
* user has set mouse-utf8 and any mouse mode is in effect, turn on
|
|
* UTF-8 mouse input. If the receiving terminal hasn't requested it
|
|
* (that is, it isn't in s->mode), then it'll be converted in
|
|
* input_mouse.
|
|
*/
|
|
if ((c->tty.flags & TTY_UTF8) &&
|
|
(mode & ALL_MOUSE_MODES) && options_get_number(oo, "mouse-utf8"))
|
|
mode |= MODE_MOUSE_UTF8;
|
|
else
|
|
mode &= ~MODE_MOUSE_UTF8;
|
|
|
|
/* Set the terminal mode and reset attributes. */
|
|
tty_update_mode(&c->tty, mode, s);
|
|
tty_reset(&c->tty);
|
|
}
|
|
|
|
/* Repeat time callback. */
|
|
void
|
|
server_client_repeat_timer(unused int fd, unused short events, void *data)
|
|
{
|
|
struct client *c = data;
|
|
|
|
if (c->flags & CLIENT_REPEAT) {
|
|
server_client_key_table(c, "root");
|
|
c->flags &= ~CLIENT_REPEAT;
|
|
server_status_client(c);
|
|
}
|
|
}
|
|
|
|
/* Check if client should be exited. */
|
|
void
|
|
server_client_check_exit(struct client *c)
|
|
{
|
|
if (!(c->flags & CLIENT_EXIT))
|
|
return;
|
|
|
|
if (EVBUFFER_LENGTH(c->stdin_data) != 0)
|
|
return;
|
|
if (EVBUFFER_LENGTH(c->stdout_data) != 0)
|
|
return;
|
|
if (EVBUFFER_LENGTH(c->stderr_data) != 0)
|
|
return;
|
|
|
|
proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
|
|
c->flags &= ~CLIENT_EXIT;
|
|
}
|
|
|
|
/* Check for client redraws. */
|
|
void
|
|
server_client_check_redraw(struct client *c)
|
|
{
|
|
struct session *s = c->session;
|
|
struct tty *tty = &c->tty;
|
|
struct window_pane *wp;
|
|
int flags, redraw;
|
|
|
|
if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
|
|
return;
|
|
|
|
if (c->flags & (CLIENT_REDRAW|CLIENT_STATUS)) {
|
|
if (options_get_number(s->options, "set-titles"))
|
|
server_client_set_title(c);
|
|
|
|
if (c->message_string != NULL)
|
|
redraw = status_message_redraw(c);
|
|
else if (c->prompt_string != NULL)
|
|
redraw = status_prompt_redraw(c);
|
|
else
|
|
redraw = status_redraw(c);
|
|
if (!redraw)
|
|
c->flags &= ~CLIENT_STATUS;
|
|
}
|
|
|
|
flags = tty->flags & (TTY_FREEZE|TTY_NOCURSOR);
|
|
tty->flags = (tty->flags & ~TTY_FREEZE) | TTY_NOCURSOR;
|
|
|
|
if (c->flags & CLIENT_REDRAW) {
|
|
tty_update_mode(tty, tty->mode, NULL);
|
|
screen_redraw_screen(c, 1, 1, 1);
|
|
c->flags &= ~(CLIENT_STATUS|CLIENT_BORDERS);
|
|
} else if (c->flags & CLIENT_REDRAWWINDOW) {
|
|
tty_update_mode(tty, tty->mode, NULL);
|
|
TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry)
|
|
screen_redraw_pane(c, wp);
|
|
c->flags &= ~CLIENT_REDRAWWINDOW;
|
|
} else {
|
|
TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
|
|
if (wp->flags & PANE_REDRAW) {
|
|
tty_update_mode(tty, tty->mode, NULL);
|
|
screen_redraw_pane(c, wp);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (c->flags & CLIENT_BORDERS) {
|
|
tty_update_mode(tty, tty->mode, NULL);
|
|
screen_redraw_screen(c, 0, 0, 1);
|
|
}
|
|
|
|
if (c->flags & CLIENT_STATUS) {
|
|
tty_update_mode(tty, tty->mode, NULL);
|
|
screen_redraw_screen(c, 0, 1, 0);
|
|
}
|
|
|
|
tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
|
|
tty_update_mode(tty, tty->mode, NULL);
|
|
|
|
c->flags &= ~(CLIENT_REDRAW|CLIENT_BORDERS|CLIENT_STATUS|
|
|
CLIENT_STATUSFORCE);
|
|
}
|
|
|
|
/* Set client title. */
|
|
void
|
|
server_client_set_title(struct client *c)
|
|
{
|
|
struct session *s = c->session;
|
|
const char *template;
|
|
char *title;
|
|
struct format_tree *ft;
|
|
|
|
template = options_get_string(s->options, "set-titles-string");
|
|
|
|
ft = format_create();
|
|
format_defaults(ft, c, NULL, NULL, NULL);
|
|
|
|
title = format_expand_time(ft, template, time(NULL));
|
|
if (c->title == NULL || strcmp(title, c->title) != 0) {
|
|
free(c->title);
|
|
c->title = xstrdup(title);
|
|
tty_set_title(&c->tty, c->title);
|
|
}
|
|
free(title);
|
|
|
|
format_free(ft);
|
|
}
|
|
|
|
/* Dispatch message from client. */
|
|
void
|
|
server_client_dispatch(struct imsg *imsg, void *arg)
|
|
{
|
|
struct client *c = arg;
|
|
struct msg_stdin_data stdindata;
|
|
const char *data;
|
|
ssize_t datalen;
|
|
struct session *s;
|
|
|
|
if (c->flags & CLIENT_DEAD)
|
|
return;
|
|
|
|
if (imsg == NULL) {
|
|
server_client_lost(c);
|
|
return;
|
|
}
|
|
|
|
data = imsg->data;
|
|
datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
|
|
|
|
switch (imsg->hdr.type) {
|
|
case MSG_IDENTIFY_FLAGS:
|
|
case MSG_IDENTIFY_TERM:
|
|
case MSG_IDENTIFY_TTYNAME:
|
|
case MSG_IDENTIFY_CWD:
|
|
case MSG_IDENTIFY_STDIN:
|
|
case MSG_IDENTIFY_ENVIRON:
|
|
case MSG_IDENTIFY_CLIENTPID:
|
|
case MSG_IDENTIFY_DONE:
|
|
server_client_dispatch_identify(c, imsg);
|
|
break;
|
|
case MSG_COMMAND:
|
|
server_client_dispatch_command(c, imsg);
|
|
break;
|
|
case MSG_STDIN:
|
|
if (datalen != sizeof stdindata)
|
|
fatalx("bad MSG_STDIN size");
|
|
memcpy(&stdindata, data, sizeof stdindata);
|
|
|
|
if (c->stdin_callback == NULL)
|
|
break;
|
|
if (stdindata.size <= 0)
|
|
c->stdin_closed = 1;
|
|
else {
|
|
evbuffer_add(c->stdin_data, stdindata.data,
|
|
stdindata.size);
|
|
}
|
|
c->stdin_callback(c, c->stdin_closed,
|
|
c->stdin_callback_data);
|
|
break;
|
|
case MSG_RESIZE:
|
|
if (datalen != 0)
|
|
fatalx("bad MSG_RESIZE size");
|
|
|
|
if (c->flags & CLIENT_CONTROL)
|
|
break;
|
|
if (tty_resize(&c->tty)) {
|
|
recalculate_sizes();
|
|
server_redraw_client(c);
|
|
}
|
|
break;
|
|
case MSG_EXITING:
|
|
if (datalen != 0)
|
|
fatalx("bad MSG_EXITING size");
|
|
|
|
c->session = NULL;
|
|
tty_close(&c->tty);
|
|
proc_send(c->peer, MSG_EXITED, -1, NULL, 0);
|
|
break;
|
|
case MSG_WAKEUP:
|
|
case MSG_UNLOCK:
|
|
if (datalen != 0)
|
|
fatalx("bad MSG_WAKEUP size");
|
|
|
|
if (!(c->flags & CLIENT_SUSPENDED))
|
|
break;
|
|
c->flags &= ~CLIENT_SUSPENDED;
|
|
|
|
if (c->tty.fd == -1) /* exited in the meantime */
|
|
break;
|
|
s = c->session;
|
|
|
|
if (gettimeofday(&c->activity_time, NULL) != 0)
|
|
fatal("gettimeofday failed");
|
|
if (s != NULL)
|
|
session_update_activity(s, &c->activity_time);
|
|
|
|
tty_start_tty(&c->tty);
|
|
server_redraw_client(c);
|
|
recalculate_sizes();
|
|
break;
|
|
case MSG_SHELL:
|
|
if (datalen != 0)
|
|
fatalx("bad MSG_SHELL size");
|
|
|
|
server_client_dispatch_shell(c);
|
|
break;
|
|
}
|
|
|
|
server_push_stdout(c);
|
|
server_push_stderr(c);
|
|
}
|
|
|
|
/* Handle command message. */
|
|
void
|
|
server_client_dispatch_command(struct client *c, struct imsg *imsg)
|
|
{
|
|
struct msg_command_data data;
|
|
char *buf;
|
|
size_t len;
|
|
struct cmd_list *cmdlist = NULL;
|
|
int argc;
|
|
char **argv, *cause;
|
|
|
|
if (imsg->hdr.len - IMSG_HEADER_SIZE < sizeof data)
|
|
fatalx("bad MSG_COMMAND size");
|
|
memcpy(&data, imsg->data, sizeof data);
|
|
|
|
buf = (char *)imsg->data + sizeof data;
|
|
len = imsg->hdr.len - IMSG_HEADER_SIZE - sizeof data;
|
|
if (len > 0 && buf[len - 1] != '\0')
|
|
fatalx("bad MSG_COMMAND string");
|
|
|
|
argc = data.argc;
|
|
if (cmd_unpack_argv(buf, len, argc, &argv) != 0) {
|
|
cmdq_error(c->cmdq, "command too long");
|
|
goto error;
|
|
}
|
|
|
|
if (argc == 0) {
|
|
argc = 1;
|
|
argv = xcalloc(1, sizeof *argv);
|
|
*argv = xstrdup("new-session");
|
|
}
|
|
|
|
if ((cmdlist = cmd_list_parse(argc, argv, NULL, 0, &cause)) == NULL) {
|
|
cmdq_error(c->cmdq, "%s", cause);
|
|
cmd_free_argv(argc, argv);
|
|
goto error;
|
|
}
|
|
cmd_free_argv(argc, argv);
|
|
|
|
if (c != cfg_client || cfg_finished)
|
|
cmdq_run(c->cmdq, cmdlist, NULL);
|
|
else
|
|
cmdq_append(c->cmdq, cmdlist, NULL);
|
|
cmd_list_free(cmdlist);
|
|
return;
|
|
|
|
error:
|
|
if (cmdlist != NULL)
|
|
cmd_list_free(cmdlist);
|
|
|
|
c->flags |= CLIENT_EXIT;
|
|
}
|
|
|
|
/* Handle identify message. */
|
|
void
|
|
server_client_dispatch_identify(struct client *c, struct imsg *imsg)
|
|
{
|
|
const char *data, *home;
|
|
size_t datalen;
|
|
int flags;
|
|
|
|
if (c->flags & CLIENT_IDENTIFIED)
|
|
fatalx("out-of-order identify message");
|
|
|
|
data = imsg->data;
|
|
datalen = imsg->hdr.len - IMSG_HEADER_SIZE;
|
|
|
|
switch (imsg->hdr.type) {
|
|
case MSG_IDENTIFY_FLAGS:
|
|
if (datalen != sizeof flags)
|
|
fatalx("bad MSG_IDENTIFY_FLAGS size");
|
|
memcpy(&flags, data, sizeof flags);
|
|
c->flags |= flags;
|
|
log_debug("client %p IDENTIFY_FLAGS %#x", c, flags);
|
|
break;
|
|
case MSG_IDENTIFY_TERM:
|
|
if (datalen == 0 || data[datalen - 1] != '\0')
|
|
fatalx("bad MSG_IDENTIFY_TERM string");
|
|
c->term = xstrdup(data);
|
|
log_debug("client %p IDENTIFY_TERM %s", c, data);
|
|
break;
|
|
case MSG_IDENTIFY_TTYNAME:
|
|
if (datalen == 0 || data[datalen - 1] != '\0')
|
|
fatalx("bad MSG_IDENTIFY_TTYNAME string");
|
|
c->ttyname = xstrdup(data);
|
|
log_debug("client %p IDENTIFY_TTYNAME %s", c, data);
|
|
break;
|
|
case MSG_IDENTIFY_CWD:
|
|
if (datalen == 0 || data[datalen - 1] != '\0')
|
|
fatalx("bad MSG_IDENTIFY_CWD string");
|
|
if (access(data, X_OK) == 0)
|
|
c->cwd = xstrdup(data);
|
|
else if ((home = find_home()) != NULL)
|
|
c->cwd = xstrdup(home);
|
|
else
|
|
c->cwd = xstrdup("/");
|
|
log_debug("client %p IDENTIFY_CWD %s", c, data);
|
|
break;
|
|
case MSG_IDENTIFY_STDIN:
|
|
if (datalen != 0)
|
|
fatalx("bad MSG_IDENTIFY_STDIN size");
|
|
c->fd = imsg->fd;
|
|
log_debug("client %p IDENTIFY_STDIN %d", c, imsg->fd);
|
|
break;
|
|
case MSG_IDENTIFY_ENVIRON:
|
|
if (datalen == 0 || data[datalen - 1] != '\0')
|
|
fatalx("bad MSG_IDENTIFY_ENVIRON string");
|
|
if (strchr(data, '=') != NULL)
|
|
environ_put(c->environ, data);
|
|
log_debug("client %p IDENTIFY_ENVIRON %s", c, data);
|
|
break;
|
|
case MSG_IDENTIFY_CLIENTPID:
|
|
if (datalen != sizeof c->pid)
|
|
fatalx("bad MSG_IDENTIFY_CLIENTPID size");
|
|
memcpy(&c->pid, data, sizeof c->pid);
|
|
log_debug("client %p IDENTIFY_CLIENTPID %ld", c, (long)c->pid);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (imsg->hdr.type != MSG_IDENTIFY_DONE)
|
|
return;
|
|
c->flags |= CLIENT_IDENTIFIED;
|
|
|
|
if (c->flags & CLIENT_CONTROL) {
|
|
c->stdin_callback = control_callback;
|
|
|
|
evbuffer_free(c->stderr_data);
|
|
c->stderr_data = c->stdout_data;
|
|
|
|
if (c->flags & CLIENT_CONTROLCONTROL)
|
|
evbuffer_add_printf(c->stdout_data, "\033P1000p");
|
|
proc_send(c->peer, MSG_STDIN, -1, NULL, 0);
|
|
|
|
c->tty.fd = -1;
|
|
|
|
close(c->fd);
|
|
c->fd = -1;
|
|
|
|
return;
|
|
}
|
|
|
|
if (c->fd == -1)
|
|
return;
|
|
if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
|
|
close(c->fd);
|
|
c->fd = -1;
|
|
return;
|
|
}
|
|
if (c->flags & CLIENT_UTF8)
|
|
c->tty.flags |= TTY_UTF8;
|
|
if (c->flags & CLIENT_256COLOURS)
|
|
c->tty.term_flags |= TERM_256COLOURS;
|
|
|
|
tty_resize(&c->tty);
|
|
|
|
if (!(c->flags & CLIENT_CONTROL))
|
|
c->flags |= CLIENT_TERMINAL;
|
|
}
|
|
|
|
/* Handle shell message. */
|
|
void
|
|
server_client_dispatch_shell(struct client *c)
|
|
{
|
|
const char *shell;
|
|
|
|
shell = options_get_string(global_s_options, "default-shell");
|
|
if (*shell == '\0' || areshell(shell))
|
|
shell = _PATH_BSHELL;
|
|
proc_send_s(c->peer, MSG_SHELL, shell);
|
|
|
|
proc_kill_peer(c->peer);
|
|
}
|