mirror of
https://github.com/tmux/tmux.git
synced 2024-12-13 01:48:47 +00:00
2137 lines
53 KiB
C
2137 lines
53 KiB
C
/* $OpenBSD$ */
|
|
|
|
/*
|
|
* Copyright (c) 2009 Nicholas Marriott <nicholas.marriott@gmail.com>
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
|
|
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
|
|
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/uio.h>
|
|
|
|
#include <errno.h>
|
|
#include <event.h>
|
|
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
|
|
#include "tmux.h"
|
|
|
|
static void server_client_free(int, short, void *);
|
|
static void server_client_check_focus(struct window_pane *);
|
|
static void server_client_check_resize(struct window_pane *);
|
|
static key_code server_client_check_mouse(struct client *, struct key_event *);
|
|
static void server_client_repeat_timer(int, short, void *);
|
|
static void server_client_click_timer(int, short, void *);
|
|
static void server_client_check_exit(struct client *);
|
|
static void server_client_check_redraw(struct client *);
|
|
static void server_client_set_title(struct client *);
|
|
static void server_client_reset_state(struct client *);
|
|
static int server_client_assume_paste(struct session *);
|
|
static void server_client_clear_overlay(struct client *);
|
|
static void server_client_resize_event(int, short, void *);
|
|
|
|
static void server_client_dispatch(struct imsg *, void *);
|
|
static void server_client_dispatch_command(struct client *, struct imsg *);
|
|
static void server_client_dispatch_identify(struct client *, struct imsg *);
|
|
static void server_client_dispatch_shell(struct client *);
|
|
static void server_client_dispatch_write_ready(struct client *,
|
|
struct imsg *);
|
|
static void server_client_dispatch_read_data(struct client *,
|
|
struct imsg *);
|
|
static void server_client_dispatch_read_done(struct client *,
|
|
struct imsg *);
|
|
|
|
/* Number of attached clients. */
|
|
u_int
|
|
server_client_how_many(void)
|
|
{
|
|
struct client *c;
|
|
u_int n;
|
|
|
|
n = 0;
|
|
TAILQ_FOREACH(c, &clients, entry) {
|
|
if (c->session != NULL && (~c->flags & CLIENT_DETACHING))
|
|
n++;
|
|
}
|
|
return (n);
|
|
}
|
|
|
|
/* Overlay timer callback. */
|
|
static void
|
|
server_client_overlay_timer(__unused int fd, __unused short events, void *data)
|
|
{
|
|
server_client_clear_overlay(data);
|
|
}
|
|
|
|
/* Set an overlay on client. */
|
|
void
|
|
server_client_set_overlay(struct client *c, u_int delay, overlay_draw_cb drawcb,
|
|
overlay_key_cb keycb, overlay_free_cb freecb, void *data)
|
|
{
|
|
struct timeval tv;
|
|
|
|
if (c->overlay_draw != NULL)
|
|
server_client_clear_overlay(c);
|
|
|
|
tv.tv_sec = delay / 1000;
|
|
tv.tv_usec = (delay % 1000) * 1000L;
|
|
|
|
if (event_initialized(&c->overlay_timer))
|
|
evtimer_del(&c->overlay_timer);
|
|
evtimer_set(&c->overlay_timer, server_client_overlay_timer, c);
|
|
if (delay != 0)
|
|
evtimer_add(&c->overlay_timer, &tv);
|
|
|
|
c->overlay_draw = drawcb;
|
|
c->overlay_key = keycb;
|
|
c->overlay_free = freecb;
|
|
c->overlay_data = data;
|
|
|
|
c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
|
|
server_redraw_client(c);
|
|
}
|
|
|
|
/* Clear overlay mode on client. */
|
|
static void
|
|
server_client_clear_overlay(struct client *c)
|
|
{
|
|
if (c->overlay_draw == NULL)
|
|
return;
|
|
|
|
if (event_initialized(&c->overlay_timer))
|
|
evtimer_del(&c->overlay_timer);
|
|
|
|
if (c->overlay_free != NULL)
|
|
c->overlay_free(c);
|
|
|
|
c->overlay_draw = NULL;
|
|
c->overlay_key = NULL;
|
|
|
|
c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
|
|
server_redraw_client(c);
|
|
}
|
|
|
|
/* Check if this client is inside this server. */
|
|
int
|
|
server_client_check_nested(struct client *c)
|
|
{
|
|
struct environ_entry *envent;
|
|
struct window_pane *wp;
|
|
|
|
envent = environ_find(c->environ, "TMUX");
|
|
if (envent == NULL || *envent->value == '\0')
|
|
return (0);
|
|
|
|
RB_FOREACH(wp, window_pane_tree, &all_window_panes) {
|
|
if (strcmp(wp->tty, c->ttyname) == 0)
|
|
return (1);
|
|
}
|
|
return (0);
|
|
}
|
|
|
|
/* Set client key table. */
|
|
void
|
|
server_client_set_key_table(struct client *c, const char *name)
|
|
{
|
|
if (name == NULL)
|
|
name = server_client_get_key_table(c);
|
|
|
|
key_bindings_unref_table(c->keytable);
|
|
c->keytable = key_bindings_get_table(name, 1);
|
|
c->keytable->references++;
|
|
}
|
|
|
|
/* Get default key table. */
|
|
const char *
|
|
server_client_get_key_table(struct client *c)
|
|
{
|
|
struct session *s = c->session;
|
|
const char *name;
|
|
|
|
if (s == NULL)
|
|
return ("root");
|
|
|
|
name = options_get_string(s->options, "key-table");
|
|
if (*name == '\0')
|
|
return ("root");
|
|
return (name);
|
|
}
|
|
|
|
/* Is this table the default key table? */
|
|
static int
|
|
server_client_is_default_key_table(struct client *c, struct key_table *table)
|
|
{
|
|
return (strcmp(table->name, server_client_get_key_table(c)) == 0);
|
|
}
|
|
|
|
/* Create a new client. */
|
|
struct client *
|
|
server_client_create(int fd)
|
|
{
|
|
struct client *c;
|
|
|
|
setblocking(fd, 0);
|
|
|
|
c = xcalloc(1, sizeof *c);
|
|
c->references = 1;
|
|
c->peer = proc_add_peer(server_proc, fd, server_client_dispatch, c);
|
|
|
|
if (gettimeofday(&c->creation_time, NULL) != 0)
|
|
fatal("gettimeofday failed");
|
|
memcpy(&c->activity_time, &c->creation_time, sizeof c->activity_time);
|
|
|
|
c->environ = environ_create();
|
|
|
|
c->fd = -1;
|
|
c->cwd = NULL;
|
|
|
|
TAILQ_INIT(&c->queue);
|
|
|
|
c->tty.fd = -1;
|
|
c->title = NULL;
|
|
|
|
c->session = NULL;
|
|
c->last_session = NULL;
|
|
|
|
c->tty.sx = 80;
|
|
c->tty.sy = 24;
|
|
|
|
status_init(c);
|
|
|
|
c->message_string = NULL;
|
|
TAILQ_INIT(&c->message_log);
|
|
|
|
c->prompt_string = NULL;
|
|
c->prompt_buffer = NULL;
|
|
c->prompt_index = 0;
|
|
|
|
RB_INIT(&c->files);
|
|
|
|
c->flags |= CLIENT_FOCUSED;
|
|
|
|
c->keytable = key_bindings_get_table("root", 1);
|
|
c->keytable->references++;
|
|
|
|
evtimer_set(&c->repeat_timer, server_client_repeat_timer, c);
|
|
evtimer_set(&c->click_timer, server_client_click_timer, c);
|
|
|
|
TAILQ_INSERT_TAIL(&clients, c, entry);
|
|
log_debug("new client %p", c);
|
|
return (c);
|
|
}
|
|
|
|
/* Open client terminal if needed. */
|
|
int
|
|
server_client_open(struct client *c, char **cause)
|
|
{
|
|
if (c->flags & CLIENT_CONTROL)
|
|
return (0);
|
|
|
|
if (strcmp(c->ttyname, "/dev/tty") == 0) {
|
|
*cause = xstrdup("can't use /dev/tty");
|
|
return (-1);
|
|
}
|
|
|
|
if (!(c->flags & CLIENT_TERMINAL)) {
|
|
*cause = xstrdup("not a terminal");
|
|
return (-1);
|
|
}
|
|
|
|
if (tty_open(&c->tty, cause) != 0)
|
|
return (-1);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/* Lost a client. */
|
|
void
|
|
server_client_lost(struct client *c)
|
|
{
|
|
struct message_entry *msg, *msg1;
|
|
struct client_file *cf;
|
|
|
|
c->flags |= CLIENT_DEAD;
|
|
|
|
server_client_clear_overlay(c);
|
|
status_prompt_clear(c);
|
|
status_message_clear(c);
|
|
|
|
RB_FOREACH(cf, client_files, &c->files) {
|
|
cf->error = EINTR;
|
|
file_fire_done(cf);
|
|
}
|
|
|
|
TAILQ_REMOVE(&clients, c, entry);
|
|
log_debug("lost client %p", c);
|
|
|
|
/*
|
|
* If CLIENT_TERMINAL hasn't been set, then tty_init hasn't been called
|
|
* and tty_free might close an unrelated fd.
|
|
*/
|
|
if (c->flags & CLIENT_TERMINAL)
|
|
tty_free(&c->tty);
|
|
free(c->ttyname);
|
|
free(c->term);
|
|
|
|
status_free(c);
|
|
|
|
free(c->title);
|
|
free((void *)c->cwd);
|
|
|
|
evtimer_del(&c->repeat_timer);
|
|
evtimer_del(&c->click_timer);
|
|
|
|
key_bindings_unref_table(c->keytable);
|
|
|
|
free(c->message_string);
|
|
if (event_initialized(&c->message_timer))
|
|
evtimer_del(&c->message_timer);
|
|
TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
|
|
free(msg->msg);
|
|
TAILQ_REMOVE(&c->message_log, msg, entry);
|
|
free(msg);
|
|
}
|
|
|
|
free(c->prompt_saved);
|
|
free(c->prompt_string);
|
|
free(c->prompt_buffer);
|
|
|
|
format_lost_client(c);
|
|
environ_free(c->environ);
|
|
|
|
proc_remove_peer(c->peer);
|
|
c->peer = NULL;
|
|
|
|
server_client_unref(c);
|
|
|
|
server_add_accept(0); /* may be more file descriptors now */
|
|
|
|
recalculate_sizes();
|
|
server_check_unattached();
|
|
server_update_socket();
|
|
}
|
|
|
|
/* Remove reference from a client. */
|
|
void
|
|
server_client_unref(struct client *c)
|
|
{
|
|
log_debug("unref client %p (%d references)", c, c->references);
|
|
|
|
c->references--;
|
|
if (c->references == 0)
|
|
event_once(-1, EV_TIMEOUT, server_client_free, c, NULL);
|
|
}
|
|
|
|
/* Free dead client. */
|
|
static void
|
|
server_client_free(__unused int fd, __unused short events, void *arg)
|
|
{
|
|
struct client *c = arg;
|
|
|
|
log_debug("free client %p (%d references)", c, c->references);
|
|
|
|
if (!TAILQ_EMPTY(&c->queue))
|
|
fatalx("queue not empty");
|
|
|
|
if (c->references == 0) {
|
|
free((void *)c->name);
|
|
free(c);
|
|
}
|
|
}
|
|
|
|
/* Suspend a client. */
|
|
void
|
|
server_client_suspend(struct client *c)
|
|
{
|
|
struct session *s = c->session;
|
|
|
|
if (s == NULL || (c->flags & CLIENT_DETACHING))
|
|
return;
|
|
|
|
tty_stop_tty(&c->tty);
|
|
c->flags |= CLIENT_SUSPENDED;
|
|
proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0);
|
|
}
|
|
|
|
/* Detach a client. */
|
|
void
|
|
server_client_detach(struct client *c, enum msgtype msgtype)
|
|
{
|
|
struct session *s = c->session;
|
|
|
|
if (s == NULL || (c->flags & CLIENT_DETACHING))
|
|
return;
|
|
|
|
c->flags |= CLIENT_DETACHING;
|
|
notify_client("client-detached", c);
|
|
proc_send(c->peer, msgtype, -1, s->name, strlen(s->name) + 1);
|
|
}
|
|
|
|
/* Execute command to replace a client. */
|
|
void
|
|
server_client_exec(struct client *c, const char *cmd)
|
|
{
|
|
struct session *s = c->session;
|
|
char *msg;
|
|
const char *shell;
|
|
size_t cmdsize, shellsize;
|
|
|
|
if (*cmd == '\0')
|
|
return;
|
|
cmdsize = strlen(cmd) + 1;
|
|
|
|
if (s != NULL)
|
|
shell = options_get_string(s->options, "default-shell");
|
|
else
|
|
shell = options_get_string(global_s_options, "default-shell");
|
|
if (!checkshell(shell))
|
|
shell = _PATH_BSHELL;
|
|
shellsize = strlen(shell) + 1;
|
|
|
|
msg = xmalloc(cmdsize + shellsize);
|
|
memcpy(msg, cmd, cmdsize);
|
|
memcpy(msg + cmdsize, shell, shellsize);
|
|
|
|
proc_send(c->peer, MSG_EXEC, -1, msg, cmdsize + shellsize);
|
|
free(msg);
|
|
}
|
|
|
|
/* Check for mouse keys. */
|
|
static key_code
|
|
server_client_check_mouse(struct client *c, struct key_event *event)
|
|
{
|
|
struct mouse_event *m = &event->m;
|
|
struct session *s = c->session;
|
|
struct winlink *wl;
|
|
struct window_pane *wp;
|
|
u_int x, y, b, sx, sy, px, py;
|
|
int ignore = 0;
|
|
key_code key;
|
|
struct timeval tv;
|
|
struct style_range *sr;
|
|
enum { NOTYPE,
|
|
MOVE,
|
|
DOWN,
|
|
UP,
|
|
DRAG,
|
|
WHEEL,
|
|
DOUBLE,
|
|
TRIPLE } type = NOTYPE;
|
|
enum { NOWHERE,
|
|
PANE,
|
|
STATUS,
|
|
STATUS_LEFT,
|
|
STATUS_RIGHT,
|
|
STATUS_DEFAULT,
|
|
BORDER } where = NOWHERE;
|
|
|
|
log_debug("%s mouse %02x at %u,%u (last %u,%u) (%d)", c->name, m->b,
|
|
m->x, m->y, m->lx, m->ly, c->tty.mouse_drag_flag);
|
|
|
|
/* What type of event is this? */
|
|
if (event->key == KEYC_DOUBLECLICK) {
|
|
type = DOUBLE;
|
|
x = m->x, y = m->y, b = m->b;
|
|
ignore = 1;
|
|
log_debug("double-click at %u,%u", x, y);
|
|
} else if ((m->sgr_type != ' ' &&
|
|
MOUSE_DRAG(m->sgr_b) &&
|
|
MOUSE_BUTTONS(m->sgr_b) == 3) ||
|
|
(m->sgr_type == ' ' &&
|
|
MOUSE_DRAG(m->b) &&
|
|
MOUSE_BUTTONS(m->b) == 3 &&
|
|
MOUSE_BUTTONS(m->lb) == 3)) {
|
|
type = MOVE;
|
|
x = m->x, y = m->y, b = 0;
|
|
log_debug("move at %u,%u", x, y);
|
|
} else if (MOUSE_DRAG(m->b)) {
|
|
type = DRAG;
|
|
if (c->tty.mouse_drag_flag) {
|
|
x = m->x, y = m->y, b = m->b;
|
|
if (x == m->lx && y == m->ly)
|
|
return (KEYC_UNKNOWN);
|
|
log_debug("drag update at %u,%u", x, y);
|
|
} else {
|
|
x = m->lx, y = m->ly, b = m->lb;
|
|
log_debug("drag start at %u,%u", x, y);
|
|
}
|
|
} else if (MOUSE_WHEEL(m->b)) {
|
|
type = WHEEL;
|
|
x = m->x, y = m->y, b = m->b;
|
|
log_debug("wheel at %u,%u", x, y);
|
|
} else if (MOUSE_RELEASE(m->b)) {
|
|
type = UP;
|
|
x = m->x, y = m->y, b = m->lb;
|
|
log_debug("up at %u,%u", x, y);
|
|
} else {
|
|
if (c->flags & CLIENT_DOUBLECLICK) {
|
|
evtimer_del(&c->click_timer);
|
|
c->flags &= ~CLIENT_DOUBLECLICK;
|
|
if (m->b == c->click_button) {
|
|
type = NOTYPE;
|
|
c->flags |= CLIENT_TRIPLECLICK;
|
|
goto add_timer;
|
|
}
|
|
} else if (c->flags & CLIENT_TRIPLECLICK) {
|
|
evtimer_del(&c->click_timer);
|
|
c->flags &= ~CLIENT_TRIPLECLICK;
|
|
if (m->b == c->click_button) {
|
|
type = TRIPLE;
|
|
x = m->x, y = m->y, b = m->b;
|
|
log_debug("triple-click at %u,%u", x, y);
|
|
ignore = 1;
|
|
goto have_event;
|
|
}
|
|
} else
|
|
c->flags |= CLIENT_DOUBLECLICK;
|
|
|
|
add_timer:
|
|
type = DOWN;
|
|
x = m->x, y = m->y, b = m->b;
|
|
log_debug("down at %u,%u", x, y);
|
|
|
|
if (KEYC_CLICK_TIMEOUT != 0) {
|
|
memcpy(&c->click_event, m, sizeof c->click_event);
|
|
c->click_button = m->b;
|
|
|
|
tv.tv_sec = KEYC_CLICK_TIMEOUT / 1000;
|
|
tv.tv_usec = (KEYC_CLICK_TIMEOUT % 1000) * 1000L;
|
|
evtimer_del(&c->click_timer);
|
|
evtimer_add(&c->click_timer, &tv);
|
|
}
|
|
}
|
|
|
|
have_event:
|
|
if (type == NOTYPE)
|
|
return (KEYC_UNKNOWN);
|
|
|
|
/* Save the session. */
|
|
m->s = s->id;
|
|
m->w = -1;
|
|
m->ignore = ignore;
|
|
|
|
/* Is this on the status line? */
|
|
m->statusat = status_at_line(c);
|
|
m->statuslines = status_line_size(c);
|
|
if (m->statusat != -1 &&
|
|
y >= (u_int)m->statusat &&
|
|
y < m->statusat + m->statuslines) {
|
|
sr = status_get_range(c, x, y - m->statusat);
|
|
if (sr == NULL) {
|
|
where = STATUS_DEFAULT;
|
|
} else {
|
|
switch (sr->type) {
|
|
case STYLE_RANGE_NONE:
|
|
return (KEYC_UNKNOWN);
|
|
case STYLE_RANGE_LEFT:
|
|
where = STATUS_LEFT;
|
|
break;
|
|
case STYLE_RANGE_RIGHT:
|
|
where = STATUS_RIGHT;
|
|
break;
|
|
case STYLE_RANGE_WINDOW:
|
|
wl = winlink_find_by_index(&s->windows,
|
|
sr->argument);
|
|
if (wl == NULL)
|
|
return (KEYC_UNKNOWN);
|
|
m->w = wl->window->id;
|
|
|
|
where = STATUS;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Not on status line. Adjust position and check for border or pane. */
|
|
if (where == NOWHERE) {
|
|
px = x;
|
|
if (m->statusat == 0 && y >= m->statuslines)
|
|
py = y - m->statuslines;
|
|
else if (m->statusat > 0 && y >= (u_int)m->statusat)
|
|
py = m->statusat - 1;
|
|
else
|
|
py = y;
|
|
|
|
tty_window_offset(&c->tty, &m->ox, &m->oy, &sx, &sy);
|
|
log_debug("mouse window @%u at %u,%u (%ux%u)",
|
|
s->curw->window->id, m->ox, m->oy, sx, sy);
|
|
if (px > sx || py > sy)
|
|
return (KEYC_UNKNOWN);
|
|
px = px + m->ox;
|
|
py = py + m->oy;
|
|
|
|
/* Try the pane borders if not zoomed. */
|
|
if (~s->curw->window->flags & WINDOW_ZOOMED) {
|
|
TAILQ_FOREACH(wp, &s->curw->window->panes, entry) {
|
|
if ((wp->xoff + wp->sx == px &&
|
|
wp->yoff <= 1 + py &&
|
|
wp->yoff + wp->sy >= py) ||
|
|
(wp->yoff + wp->sy == py &&
|
|
wp->xoff <= 1 + px &&
|
|
wp->xoff + wp->sx >= px))
|
|
break;
|
|
}
|
|
if (wp != NULL)
|
|
where = BORDER;
|
|
}
|
|
|
|
/* Otherwise try inside the pane. */
|
|
if (where == NOWHERE) {
|
|
wp = window_get_active_at(s->curw->window, px, py);
|
|
if (wp != NULL)
|
|
where = PANE;
|
|
}
|
|
|
|
if (where == NOWHERE)
|
|
return (KEYC_UNKNOWN);
|
|
if (where == PANE)
|
|
log_debug("mouse %u,%u on pane %%%u", x, y, wp->id);
|
|
else if (where == BORDER)
|
|
log_debug("mouse on pane %%%u border", wp->id);
|
|
m->wp = wp->id;
|
|
m->w = wp->window->id;
|
|
} else
|
|
m->wp = -1;
|
|
|
|
/* Stop dragging if needed. */
|
|
if (type != DRAG && type != WHEEL && c->tty.mouse_drag_flag) {
|
|
if (c->tty.mouse_drag_release != NULL)
|
|
c->tty.mouse_drag_release(c, m);
|
|
|
|
c->tty.mouse_drag_update = NULL;
|
|
c->tty.mouse_drag_release = NULL;
|
|
|
|
/*
|
|
* End a mouse drag by passing a MouseDragEnd key corresponding
|
|
* to the button that started the drag.
|
|
*/
|
|
switch (c->tty.mouse_drag_flag) {
|
|
case 1:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDRAGEND1_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDRAGEND1_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDRAGEND1_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDRAGEND1_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDRAGEND1_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDRAGEND1_BORDER;
|
|
break;
|
|
case 2:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDRAGEND2_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDRAGEND2_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDRAGEND2_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDRAGEND2_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDRAGEND2_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDRAGEND2_BORDER;
|
|
break;
|
|
case 3:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDRAGEND3_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDRAGEND3_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDRAGEND3_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDRAGEND3_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDRAGEND3_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDRAGEND3_BORDER;
|
|
break;
|
|
default:
|
|
key = KEYC_MOUSE;
|
|
break;
|
|
}
|
|
c->tty.mouse_drag_flag = 0;
|
|
goto out;
|
|
}
|
|
|
|
/* Convert to a key binding. */
|
|
key = KEYC_UNKNOWN;
|
|
switch (type) {
|
|
case NOTYPE:
|
|
break;
|
|
case MOVE:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEMOVE_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEMOVE_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEMOVE_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEMOVE_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEMOVE_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEMOVE_BORDER;
|
|
break;
|
|
case DRAG:
|
|
if (c->tty.mouse_drag_update != NULL)
|
|
key = KEYC_DRAGGING;
|
|
else {
|
|
switch (MOUSE_BUTTONS(b)) {
|
|
case 0:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDRAG1_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDRAG1_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDRAG1_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDRAG1_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDRAG1_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDRAG1_BORDER;
|
|
break;
|
|
case 1:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDRAG2_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDRAG2_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDRAG2_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDRAG2_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDRAG2_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDRAG2_BORDER;
|
|
break;
|
|
case 2:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDRAG3_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDRAG3_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDRAG3_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDRAG3_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDRAG3_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDRAG3_BORDER;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Begin a drag by setting the flag to a non-zero value that
|
|
* corresponds to the mouse button in use.
|
|
*/
|
|
c->tty.mouse_drag_flag = MOUSE_BUTTONS(b) + 1;
|
|
break;
|
|
case WHEEL:
|
|
if (MOUSE_BUTTONS(b) == MOUSE_WHEEL_UP) {
|
|
if (where == PANE)
|
|
key = KEYC_WHEELUP_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_WHEELUP_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_WHEELUP_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_WHEELUP_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_WHEELUP_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_WHEELUP_BORDER;
|
|
} else {
|
|
if (where == PANE)
|
|
key = KEYC_WHEELDOWN_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_WHEELDOWN_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_WHEELDOWN_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_WHEELDOWN_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_WHEELDOWN_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_WHEELDOWN_BORDER;
|
|
}
|
|
break;
|
|
case UP:
|
|
switch (MOUSE_BUTTONS(b)) {
|
|
case 0:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEUP1_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEUP1_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEUP1_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEUP1_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEUP1_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEUP1_BORDER;
|
|
break;
|
|
case 1:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEUP2_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEUP2_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEUP2_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEUP2_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEUP2_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEUP2_BORDER;
|
|
break;
|
|
case 2:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEUP3_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEUP3_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEUP3_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEUP3_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEUP3_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEUP3_BORDER;
|
|
break;
|
|
}
|
|
break;
|
|
case DOWN:
|
|
switch (MOUSE_BUTTONS(b)) {
|
|
case 0:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDOWN1_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDOWN1_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDOWN1_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDOWN1_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDOWN1_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDOWN1_BORDER;
|
|
break;
|
|
case 1:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDOWN2_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDOWN2_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDOWN2_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDOWN2_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDOWN2_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDOWN2_BORDER;
|
|
break;
|
|
case 2:
|
|
if (where == PANE)
|
|
key = KEYC_MOUSEDOWN3_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_MOUSEDOWN3_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_MOUSEDOWN3_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_MOUSEDOWN3_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_MOUSEDOWN3_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_MOUSEDOWN3_BORDER;
|
|
break;
|
|
}
|
|
break;
|
|
case DOUBLE:
|
|
switch (MOUSE_BUTTONS(b)) {
|
|
case 0:
|
|
if (where == PANE)
|
|
key = KEYC_DOUBLECLICK1_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_DOUBLECLICK1_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_DOUBLECLICK1_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_DOUBLECLICK1_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_DOUBLECLICK1_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_DOUBLECLICK1_BORDER;
|
|
break;
|
|
case 1:
|
|
if (where == PANE)
|
|
key = KEYC_DOUBLECLICK2_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_DOUBLECLICK2_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_DOUBLECLICK2_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_DOUBLECLICK2_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_DOUBLECLICK2_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_DOUBLECLICK2_BORDER;
|
|
break;
|
|
case 2:
|
|
if (where == PANE)
|
|
key = KEYC_DOUBLECLICK3_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_DOUBLECLICK3_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_DOUBLECLICK3_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_DOUBLECLICK3_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_DOUBLECLICK3_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_DOUBLECLICK3_BORDER;
|
|
break;
|
|
}
|
|
break;
|
|
case TRIPLE:
|
|
switch (MOUSE_BUTTONS(b)) {
|
|
case 0:
|
|
if (where == PANE)
|
|
key = KEYC_TRIPLECLICK1_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_TRIPLECLICK1_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_TRIPLECLICK1_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_TRIPLECLICK1_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_TRIPLECLICK1_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_TRIPLECLICK1_BORDER;
|
|
break;
|
|
case 1:
|
|
if (where == PANE)
|
|
key = KEYC_TRIPLECLICK2_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_TRIPLECLICK2_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_TRIPLECLICK2_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_TRIPLECLICK2_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_TRIPLECLICK2_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_TRIPLECLICK2_BORDER;
|
|
break;
|
|
case 2:
|
|
if (where == PANE)
|
|
key = KEYC_TRIPLECLICK3_PANE;
|
|
if (where == STATUS)
|
|
key = KEYC_TRIPLECLICK3_STATUS;
|
|
if (where == STATUS_LEFT)
|
|
key = KEYC_TRIPLECLICK3_STATUS_LEFT;
|
|
if (where == STATUS_RIGHT)
|
|
key = KEYC_TRIPLECLICK3_STATUS_RIGHT;
|
|
if (where == STATUS_DEFAULT)
|
|
key = KEYC_TRIPLECLICK3_STATUS_DEFAULT;
|
|
if (where == BORDER)
|
|
key = KEYC_TRIPLECLICK3_BORDER;
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
if (key == KEYC_UNKNOWN)
|
|
return (KEYC_UNKNOWN);
|
|
|
|
out:
|
|
/* Apply modifiers if any. */
|
|
if (b & MOUSE_MASK_META)
|
|
key |= KEYC_ESCAPE;
|
|
if (b & MOUSE_MASK_CTRL)
|
|
key |= KEYC_CTRL;
|
|
if (b & MOUSE_MASK_SHIFT)
|
|
key |= KEYC_SHIFT;
|
|
|
|
if (log_get_level() != 0)
|
|
log_debug("mouse key is %s", key_string_lookup_key (key));
|
|
return (key);
|
|
}
|
|
|
|
/* Is this fast enough to probably be a paste? */
|
|
static int
|
|
server_client_assume_paste(struct session *s)
|
|
{
|
|
struct timeval tv;
|
|
int t;
|
|
|
|
if ((t = options_get_number(s->options, "assume-paste-time")) == 0)
|
|
return (0);
|
|
|
|
timersub(&s->activity_time, &s->last_activity_time, &tv);
|
|
if (tv.tv_sec == 0 && tv.tv_usec < t * 1000) {
|
|
log_debug("session %s pasting (flag %d)", s->name,
|
|
!!(s->flags & SESSION_PASTING));
|
|
if (s->flags & SESSION_PASTING)
|
|
return (1);
|
|
s->flags |= SESSION_PASTING;
|
|
return (0);
|
|
}
|
|
log_debug("session %s not pasting", s->name);
|
|
s->flags &= ~SESSION_PASTING;
|
|
return (0);
|
|
}
|
|
|
|
/* Has the latest client changed? */
|
|
static void
|
|
server_client_update_latest(struct client *c)
|
|
{
|
|
struct window *w;
|
|
|
|
if (c->session == NULL)
|
|
return;
|
|
w = c->session->curw->window;
|
|
|
|
if (w->latest == c)
|
|
return;
|
|
w->latest = c;
|
|
|
|
if (options_get_number(w->options, "window-size") == WINDOW_SIZE_LATEST)
|
|
recalculate_size(w);
|
|
}
|
|
|
|
/*
|
|
* Handle data key input from client. This owns and can modify the key event it
|
|
* is given and is responsible for freeing it.
|
|
*/
|
|
static enum cmd_retval
|
|
server_client_key_callback(struct cmdq_item *item, void *data)
|
|
{
|
|
struct client *c = item->client;
|
|
struct key_event *event = data;
|
|
key_code key = event->key;
|
|
struct mouse_event *m = &event->m;
|
|
struct session *s = c->session;
|
|
struct winlink *wl;
|
|
struct window_pane *wp;
|
|
struct window_mode_entry *wme;
|
|
struct timeval tv;
|
|
struct key_table *table, *first;
|
|
struct key_binding *bd;
|
|
int xtimeout, flags;
|
|
struct cmd_find_state fs;
|
|
key_code key0;
|
|
|
|
/* Check the client is good to accept input. */
|
|
if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
|
|
goto out;
|
|
wl = s->curw;
|
|
|
|
/* Update the activity timer. */
|
|
if (gettimeofday(&c->activity_time, NULL) != 0)
|
|
fatal("gettimeofday failed");
|
|
session_update_activity(s, &c->activity_time);
|
|
|
|
/* Check for mouse keys. */
|
|
m->valid = 0;
|
|
if (key == KEYC_MOUSE || key == KEYC_DOUBLECLICK) {
|
|
if (c->flags & CLIENT_READONLY)
|
|
goto out;
|
|
key = server_client_check_mouse(c, event);
|
|
if (key == KEYC_UNKNOWN)
|
|
goto out;
|
|
|
|
m->valid = 1;
|
|
m->key = key;
|
|
|
|
/*
|
|
* Mouse drag is in progress, so fire the callback (now that
|
|
* the mouse event is valid).
|
|
*/
|
|
if ((key & KEYC_MASK_KEY) == KEYC_DRAGGING) {
|
|
c->tty.mouse_drag_update(c, m);
|
|
goto out;
|
|
}
|
|
}
|
|
|
|
/* Find affected pane. */
|
|
if (!KEYC_IS_MOUSE(key) || cmd_find_from_mouse(&fs, m, 0) != 0)
|
|
cmd_find_from_session(&fs, s, 0);
|
|
wp = fs.wp;
|
|
|
|
/* Forward mouse keys if disabled. */
|
|
if (KEYC_IS_MOUSE(key) && !options_get_number(s->options, "mouse"))
|
|
goto forward_key;
|
|
|
|
/* Treat everything as a regular key when pasting is detected. */
|
|
if (!KEYC_IS_MOUSE(key) && server_client_assume_paste(s))
|
|
goto forward_key;
|
|
|
|
/*
|
|
* Work out the current key table. If the pane is in a mode, use
|
|
* the mode table instead of the default key table.
|
|
*/
|
|
if (server_client_is_default_key_table(c, c->keytable) &&
|
|
wp != NULL &&
|
|
(wme = TAILQ_FIRST(&wp->modes)) != NULL &&
|
|
wme->mode->key_table != NULL)
|
|
table = key_bindings_get_table(wme->mode->key_table(wme), 1);
|
|
else
|
|
table = c->keytable;
|
|
first = table;
|
|
|
|
table_changed:
|
|
/*
|
|
* The prefix always takes precedence and forces a switch to the prefix
|
|
* table, unless we are already there.
|
|
*/
|
|
key0 = (key & ~KEYC_XTERM);
|
|
if ((key0 == (key_code)options_get_number(s->options, "prefix") ||
|
|
key0 == (key_code)options_get_number(s->options, "prefix2")) &&
|
|
strcmp(table->name, "prefix") != 0) {
|
|
server_client_set_key_table(c, "prefix");
|
|
server_status_client(c);
|
|
goto out;
|
|
}
|
|
flags = c->flags;
|
|
|
|
try_again:
|
|
/* Log key table. */
|
|
if (wp == NULL)
|
|
log_debug("key table %s (no pane)", table->name);
|
|
else
|
|
log_debug("key table %s (pane %%%u)", table->name, wp->id);
|
|
if (c->flags & CLIENT_REPEAT)
|
|
log_debug("currently repeating");
|
|
|
|
/* Try to see if there is a key binding in the current table. */
|
|
bd = key_bindings_get(table, key0);
|
|
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->flags & KEY_BINDING_REPEAT)) {
|
|
log_debug("found in key table %s (not repeating)",
|
|
table->name);
|
|
server_client_set_key_table(c, NULL);
|
|
first = table = c->keytable;
|
|
c->flags &= ~CLIENT_REPEAT;
|
|
server_status_client(c);
|
|
goto table_changed;
|
|
}
|
|
log_debug("found in key table %s", table->name);
|
|
|
|
/*
|
|
* Take a reference to this table to make sure the key binding
|
|
* doesn't disappear.
|
|
*/
|
|
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->flags & KEY_BINDING_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_set_key_table(c, NULL);
|
|
}
|
|
server_status_client(c);
|
|
|
|
/* Execute the key binding. */
|
|
key_bindings_dispatch(bd, item, c, m, &fs);
|
|
key_bindings_unref_table(table);
|
|
goto out;
|
|
}
|
|
|
|
/*
|
|
* No match, try the ANY key.
|
|
*/
|
|
if (key0 != KEYC_ANY) {
|
|
key0 = KEYC_ANY;
|
|
goto try_again;
|
|
}
|
|
|
|
/*
|
|
* No match in this table. If not in the root table or if repeating,
|
|
* switch the client back to the root table and try again.
|
|
*/
|
|
log_debug("not found in key table %s", table->name);
|
|
if (!server_client_is_default_key_table(c, table) ||
|
|
(c->flags & CLIENT_REPEAT)) {
|
|
log_debug("trying in root table");
|
|
server_client_set_key_table(c, NULL);
|
|
table = c->keytable;
|
|
if (c->flags & CLIENT_REPEAT)
|
|
first = table;
|
|
c->flags &= ~CLIENT_REPEAT;
|
|
server_status_client(c);
|
|
goto table_changed;
|
|
}
|
|
|
|
/*
|
|
* No match in the root table either. If this wasn't the first table
|
|
* tried, don't pass the key to the pane.
|
|
*/
|
|
if (first != table && (~flags & CLIENT_REPEAT)) {
|
|
server_client_set_key_table(c, NULL);
|
|
server_status_client(c);
|
|
goto out;
|
|
}
|
|
|
|
forward_key:
|
|
if (c->flags & CLIENT_READONLY)
|
|
goto out;
|
|
if (wp != NULL)
|
|
window_pane_key(wp, c, s, wl, key, m);
|
|
|
|
out:
|
|
if (s != NULL)
|
|
server_client_update_latest(c);
|
|
free(event);
|
|
return (CMD_RETURN_NORMAL);
|
|
}
|
|
|
|
/* Handle a key event. */
|
|
int
|
|
server_client_handle_key(struct client *c, struct key_event *event)
|
|
{
|
|
struct session *s = c->session;
|
|
struct cmdq_item *item;
|
|
|
|
/* Check the client is good to accept input. */
|
|
if (s == NULL || (c->flags & CLIENT_UNATTACHEDFLAGS))
|
|
return (0);
|
|
|
|
/*
|
|
* Key presses in overlay mode and the command prompt are a special
|
|
* case. The queue might be blocked so they need to be processed
|
|
* immediately rather than queued.
|
|
*/
|
|
if (~c->flags & CLIENT_READONLY) {
|
|
status_message_clear(c);
|
|
if (c->prompt_string != NULL) {
|
|
if (status_prompt_key(c, event->key) == 0)
|
|
return (0);
|
|
}
|
|
if (c->overlay_key != NULL) {
|
|
switch (c->overlay_key(c, event)) {
|
|
case 0:
|
|
return (0);
|
|
case 1:
|
|
server_client_clear_overlay(c);
|
|
return (0);
|
|
}
|
|
}
|
|
server_client_clear_overlay(c);
|
|
}
|
|
|
|
/*
|
|
* Add the key to the queue so it happens after any commands queued by
|
|
* previous keys.
|
|
*/
|
|
item = cmdq_get_callback(server_client_key_callback, event);
|
|
cmdq_append(c, item);
|
|
return (1);
|
|
}
|
|
|
|
/* Client functions that need to happen every loop. */
|
|
void
|
|
server_client_loop(void)
|
|
{
|
|
struct client *c;
|
|
struct window *w;
|
|
struct window_pane *wp;
|
|
struct winlink *wl;
|
|
struct session *s;
|
|
int focus, attached, resize;
|
|
|
|
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.
|
|
*
|
|
* As an optimization, panes in windows that are in an attached session
|
|
* but not the current window are not resized (this reduces the amount
|
|
* of work needed when, for example, resizing an X terminal a
|
|
* lot). Windows in no attached session are resized immediately since
|
|
* that is likely to have come from a command like split-window and be
|
|
* what the user wanted.
|
|
*/
|
|
focus = options_get_number(global_options, "focus-events");
|
|
RB_FOREACH(w, windows, &windows) {
|
|
attached = resize = 0;
|
|
TAILQ_FOREACH(wl, &w->winlinks, wentry) {
|
|
s = wl->session;
|
|
if (s->attached != 0)
|
|
attached = 1;
|
|
if (s->attached != 0 && s->curw == wl) {
|
|
resize = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!attached)
|
|
resize = 1;
|
|
TAILQ_FOREACH(wp, &w->panes, entry) {
|
|
if (wp->fd != -1) {
|
|
if (focus)
|
|
server_client_check_focus(wp);
|
|
if (resize)
|
|
server_client_check_resize(wp);
|
|
}
|
|
wp->flags &= ~PANE_REDRAW;
|
|
}
|
|
check_window_name(w);
|
|
}
|
|
}
|
|
|
|
/* Check if we need to force a resize. */
|
|
static int
|
|
server_client_resize_force(struct window_pane *wp)
|
|
{
|
|
struct timeval tv = { .tv_usec = 100000 };
|
|
|
|
/*
|
|
* If we are resizing to the same size as when we entered the loop
|
|
* (that is, to the same size the application currently thinks it is),
|
|
* tmux may have gone through several resizes internally and thrown
|
|
* away parts of the screen. So we need the application to actually
|
|
* redraw even though its final size has not changed.
|
|
*/
|
|
|
|
if (wp->flags & PANE_RESIZEFORCE) {
|
|
wp->flags &= ~PANE_RESIZEFORCE;
|
|
return (0);
|
|
}
|
|
|
|
if (wp->sx != wp->osx ||
|
|
wp->sy != wp->osy ||
|
|
wp->sx <= 1 ||
|
|
wp->sy <= 1)
|
|
return (0);
|
|
|
|
log_debug("%s: %%%u forcing resize", __func__, wp->id);
|
|
window_pane_send_resize(wp, -1);
|
|
|
|
evtimer_add(&wp->resize_timer, &tv);
|
|
wp->flags |= PANE_RESIZEFORCE;
|
|
return (1);
|
|
}
|
|
|
|
/* Resize a pane. */
|
|
static void
|
|
server_client_resize_pane(struct window_pane *wp)
|
|
{
|
|
log_debug("%s: %%%u resize to %u,%u", __func__, wp->id, wp->sx, wp->sy);
|
|
window_pane_send_resize(wp, 0);
|
|
|
|
wp->flags &= ~PANE_RESIZE;
|
|
|
|
wp->osx = wp->sx;
|
|
wp->osy = wp->sy;
|
|
}
|
|
|
|
/* Start the resize timer. */
|
|
static void
|
|
server_client_start_resize_timer(struct window_pane *wp)
|
|
{
|
|
struct timeval tv = { .tv_usec = 250000 };
|
|
|
|
if (!evtimer_pending(&wp->resize_timer, NULL))
|
|
evtimer_add(&wp->resize_timer, &tv);
|
|
}
|
|
|
|
/* Resize timer event. */
|
|
static void
|
|
server_client_resize_event(__unused int fd, __unused short events, void *data)
|
|
{
|
|
struct window_pane *wp = data;
|
|
|
|
evtimer_del(&wp->resize_timer);
|
|
|
|
if (~wp->flags & PANE_RESIZE)
|
|
return;
|
|
log_debug("%s: %%%u timer fired (was%s resized)", __func__, wp->id,
|
|
(wp->flags & PANE_RESIZED) ? "" : " not");
|
|
|
|
if (wp->saved_grid == NULL && (wp->flags & PANE_RESIZED)) {
|
|
log_debug("%s: %%%u deferring timer", __func__, wp->id);
|
|
server_client_start_resize_timer(wp);
|
|
} else if (!server_client_resize_force(wp)) {
|
|
log_debug("%s: %%%u resizing pane", __func__, wp->id);
|
|
server_client_resize_pane(wp);
|
|
}
|
|
wp->flags &= ~PANE_RESIZED;
|
|
}
|
|
|
|
/* Check if pane should be resized. */
|
|
static void
|
|
server_client_check_resize(struct window_pane *wp)
|
|
{
|
|
if (~wp->flags & PANE_RESIZE)
|
|
return;
|
|
|
|
if (!event_initialized(&wp->resize_timer))
|
|
evtimer_set(&wp->resize_timer, server_client_resize_event, wp);
|
|
|
|
if (!evtimer_pending(&wp->resize_timer, NULL)) {
|
|
log_debug("%s: %%%u starting timer", __func__, wp->id);
|
|
server_client_resize_pane(wp);
|
|
server_client_start_resize_timer(wp);
|
|
} else
|
|
log_debug("%s: %%%u timer running", __func__, wp->id);
|
|
}
|
|
|
|
/* Check whether pane should be focused. */
|
|
static void
|
|
server_client_check_focus(struct window_pane *wp)
|
|
{
|
|
struct client *c;
|
|
int push;
|
|
|
|
/* Do we need to push the focus state? */
|
|
push = wp->flags & PANE_FOCUSPUSH;
|
|
wp->flags &= ~PANE_FOCUSPUSH;
|
|
|
|
/* 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->attached == 0)
|
|
continue;
|
|
|
|
if (c->session->curw->window == wp->window)
|
|
goto focused;
|
|
}
|
|
|
|
not_focused:
|
|
if (push || (wp->flags & PANE_FOCUSED)) {
|
|
if (wp->base.mode & MODE_FOCUSON)
|
|
bufferevent_write(wp->event, "\033[O", 3);
|
|
notify_pane("pane-focus-out", wp);
|
|
}
|
|
wp->flags &= ~PANE_FOCUSED;
|
|
return;
|
|
|
|
focused:
|
|
if (push || !(wp->flags & PANE_FOCUSED)) {
|
|
if (wp->base.mode & MODE_FOCUSON)
|
|
bufferevent_write(wp->event, "\033[I", 3);
|
|
notify_pane("pane-focus-in", wp);
|
|
session_update_activity(c->session, NULL);
|
|
}
|
|
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.
|
|
*/
|
|
static void
|
|
server_client_reset_state(struct client *c)
|
|
{
|
|
struct window *w = c->session->curw->window;
|
|
struct window_pane *wp = w->active, *loop;
|
|
struct screen *s = wp->screen;
|
|
struct options *oo = c->session->options;
|
|
int mode, cursor = 0;
|
|
u_int cx = 0, cy = 0, ox, oy, sx, sy;
|
|
|
|
if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
|
|
return;
|
|
if (c->overlay_draw != NULL)
|
|
return;
|
|
mode = s->mode;
|
|
|
|
tty_region_off(&c->tty);
|
|
tty_margin_off(&c->tty);
|
|
|
|
/* Move cursor to pane cursor and offset. */
|
|
cursor = 0;
|
|
tty_window_offset(&c->tty, &ox, &oy, &sx, &sy);
|
|
if (wp->xoff + s->cx >= ox && wp->xoff + s->cx <= ox + sx &&
|
|
wp->yoff + s->cy >= oy && wp->yoff + s->cy <= oy + sy) {
|
|
cursor = 1;
|
|
|
|
cx = wp->xoff + s->cx - ox;
|
|
cy = wp->yoff + s->cy - oy;
|
|
|
|
if (status_at_line(c) == 0)
|
|
cy += status_line_size(c);
|
|
}
|
|
if (!cursor)
|
|
mode &= ~MODE_CURSOR;
|
|
tty_cursor(&c->tty, cx, cy);
|
|
|
|
/*
|
|
* Set mouse mode if requested. To support dragging, always use button
|
|
* mode.
|
|
*/
|
|
if (options_get_number(oo, "mouse")) {
|
|
mode &= ~ALL_MOUSE_MODES;
|
|
TAILQ_FOREACH(loop, &w->panes, entry) {
|
|
if (loop->screen->mode & MODE_MOUSE_ALL)
|
|
mode |= MODE_MOUSE_ALL;
|
|
}
|
|
if (~mode & MODE_MOUSE_ALL)
|
|
mode |= MODE_MOUSE_BUTTON;
|
|
}
|
|
|
|
/* Clear bracketed paste mode if at the prompt. */
|
|
if (c->prompt_string != NULL)
|
|
mode &= ~MODE_BRACKETPASTE;
|
|
|
|
/* Set the terminal mode and reset attributes. */
|
|
tty_update_mode(&c->tty, mode, s);
|
|
tty_reset(&c->tty);
|
|
}
|
|
|
|
/* Repeat time callback. */
|
|
static void
|
|
server_client_repeat_timer(__unused int fd, __unused short events, void *data)
|
|
{
|
|
struct client *c = data;
|
|
|
|
if (c->flags & CLIENT_REPEAT) {
|
|
server_client_set_key_table(c, NULL);
|
|
c->flags &= ~CLIENT_REPEAT;
|
|
server_status_client(c);
|
|
}
|
|
}
|
|
|
|
/* Double-click callback. */
|
|
static void
|
|
server_client_click_timer(__unused int fd, __unused short events, void *data)
|
|
{
|
|
struct client *c = data;
|
|
struct key_event *event;
|
|
|
|
log_debug("click timer expired");
|
|
|
|
if (c->flags & CLIENT_TRIPLECLICK) {
|
|
/*
|
|
* Waiting for a third click that hasn't happened, so this must
|
|
* have been a double click.
|
|
*/
|
|
event = xmalloc(sizeof *event);
|
|
event->key = KEYC_DOUBLECLICK;
|
|
memcpy(&event->m, &c->click_event, sizeof event->m);
|
|
if (!server_client_handle_key(c, event))
|
|
free(event);
|
|
}
|
|
c->flags &= ~(CLIENT_DOUBLECLICK|CLIENT_TRIPLECLICK);
|
|
}
|
|
|
|
/* Check if client should be exited. */
|
|
static void
|
|
server_client_check_exit(struct client *c)
|
|
{
|
|
struct client_file *cf;
|
|
|
|
if (~c->flags & CLIENT_EXIT)
|
|
return;
|
|
if (c->flags & CLIENT_EXITED)
|
|
return;
|
|
|
|
RB_FOREACH(cf, client_files, &c->files) {
|
|
if (EVBUFFER_LENGTH(cf->buffer) != 0)
|
|
return;
|
|
}
|
|
|
|
if (c->flags & CLIENT_ATTACHED)
|
|
notify_client("client-detached", c);
|
|
proc_send(c->peer, MSG_EXIT, -1, &c->retval, sizeof c->retval);
|
|
c->flags |= CLIENT_EXITED;
|
|
}
|
|
|
|
/* Redraw timer callback. */
|
|
static void
|
|
server_client_redraw_timer(__unused int fd, __unused short events,
|
|
__unused void *data)
|
|
{
|
|
log_debug("redraw timer fired");
|
|
}
|
|
|
|
/* Check for client redraws. */
|
|
static void
|
|
server_client_check_redraw(struct client *c)
|
|
{
|
|
struct session *s = c->session;
|
|
struct tty *tty = &c->tty;
|
|
struct window_pane *wp;
|
|
int needed, flags;
|
|
struct timeval tv = { .tv_usec = 1000 };
|
|
static struct event ev;
|
|
size_t left;
|
|
|
|
if (c->flags & (CLIENT_CONTROL|CLIENT_SUSPENDED))
|
|
return;
|
|
if (c->flags & CLIENT_ALLREDRAWFLAGS) {
|
|
log_debug("%s: redraw%s%s%s%s", c->name,
|
|
(c->flags & CLIENT_REDRAWWINDOW) ? " window" : "",
|
|
(c->flags & CLIENT_REDRAWSTATUS) ? " status" : "",
|
|
(c->flags & CLIENT_REDRAWBORDERS) ? " borders" : "",
|
|
(c->flags & CLIENT_REDRAWOVERLAY) ? " overlay" : "");
|
|
}
|
|
|
|
/*
|
|
* If there is outstanding data, defer the redraw until it has been
|
|
* consumed. We can just add a timer to get out of the event loop and
|
|
* end up back here.
|
|
*/
|
|
needed = 0;
|
|
if (c->flags & CLIENT_ALLREDRAWFLAGS)
|
|
needed = 1;
|
|
else {
|
|
TAILQ_FOREACH(wp, &c->session->curw->window->panes, entry) {
|
|
if (wp->flags & PANE_REDRAW) {
|
|
needed = 1;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (needed && (left = EVBUFFER_LENGTH(tty->out)) != 0) {
|
|
log_debug("%s: redraw deferred (%zu left)", c->name, left);
|
|
if (!evtimer_initialized(&ev))
|
|
evtimer_set(&ev, server_client_redraw_timer, NULL);
|
|
if (!evtimer_pending(&ev, NULL)) {
|
|
log_debug("redraw timer started");
|
|
evtimer_add(&ev, &tv);
|
|
}
|
|
|
|
/*
|
|
* We may have got here for a single pane redraw, but force a
|
|
* full redraw next time in case other panes have been updated.
|
|
*/
|
|
c->flags |= CLIENT_ALLREDRAWFLAGS;
|
|
return;
|
|
} else if (needed)
|
|
log_debug("%s: redraw needed", c->name);
|
|
|
|
flags = tty->flags & (TTY_BLOCK|TTY_FREEZE|TTY_NOCURSOR);
|
|
tty->flags = (tty->flags & ~(TTY_BLOCK|TTY_FREEZE)) | TTY_NOCURSOR;
|
|
|
|
if (~c->flags & CLIENT_REDRAWWINDOW) {
|
|
/*
|
|
* If not redrawing the entire window, check whether each pane
|
|
* needs to be redrawn.
|
|
*/
|
|
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_ALLREDRAWFLAGS) {
|
|
if (options_get_number(s->options, "set-titles"))
|
|
server_client_set_title(c);
|
|
screen_redraw_screen(c);
|
|
}
|
|
|
|
tty->flags = (tty->flags & ~(TTY_FREEZE|TTY_NOCURSOR)) | flags;
|
|
tty_update_mode(tty, tty->mode, NULL);
|
|
|
|
c->flags &= ~(CLIENT_ALLREDRAWFLAGS|CLIENT_STATUSFORCE);
|
|
|
|
if (needed) {
|
|
/*
|
|
* We would have deferred the redraw unless the output buffer
|
|
* was empty, so we can record how many bytes the redraw
|
|
* generated.
|
|
*/
|
|
c->redraw = EVBUFFER_LENGTH(tty->out);
|
|
log_debug("%s: redraw added %zu bytes", c->name, c->redraw);
|
|
}
|
|
}
|
|
|
|
/* Set client title. */
|
|
static 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(c, NULL, FORMAT_NONE, 0);
|
|
format_defaults(ft, c, NULL, NULL, NULL);
|
|
|
|
title = format_expand_time(ft, template);
|
|
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. */
|
|
static void
|
|
server_client_dispatch(struct imsg *imsg, void *arg)
|
|
{
|
|
struct client *c = arg;
|
|
ssize_t datalen;
|
|
struct session *s;
|
|
|
|
if (c->flags & CLIENT_DEAD)
|
|
return;
|
|
|
|
if (imsg == NULL) {
|
|
server_client_lost(c);
|
|
return;
|
|
}
|
|
|
|
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_RESIZE:
|
|
if (datalen != 0)
|
|
fatalx("bad MSG_RESIZE size");
|
|
|
|
if (c->flags & CLIENT_CONTROL)
|
|
break;
|
|
server_client_update_latest(c);
|
|
server_client_clear_overlay(c);
|
|
tty_resize(&c->tty);
|
|
recalculate_sizes();
|
|
server_redraw_client(c);
|
|
if (c->session != NULL)
|
|
notify_client("client-resized", 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");
|
|
|
|
tty_start_tty(&c->tty);
|
|
server_redraw_client(c);
|
|
recalculate_sizes();
|
|
|
|
if (s != NULL)
|
|
session_update_activity(s, &c->activity_time);
|
|
break;
|
|
case MSG_SHELL:
|
|
if (datalen != 0)
|
|
fatalx("bad MSG_SHELL size");
|
|
|
|
server_client_dispatch_shell(c);
|
|
break;
|
|
case MSG_WRITE_READY:
|
|
server_client_dispatch_write_ready(c, imsg);
|
|
break;
|
|
case MSG_READ:
|
|
server_client_dispatch_read_data(c, imsg);
|
|
break;
|
|
case MSG_READ_DONE:
|
|
server_client_dispatch_read_done(c, imsg);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Callback when command is done. */
|
|
static enum cmd_retval
|
|
server_client_command_done(struct cmdq_item *item, __unused void *data)
|
|
{
|
|
struct client *c = item->client;
|
|
|
|
if (~c->flags & CLIENT_ATTACHED)
|
|
c->flags |= CLIENT_EXIT;
|
|
return (CMD_RETURN_NORMAL);
|
|
}
|
|
|
|
/* Handle command message. */
|
|
static void
|
|
server_client_dispatch_command(struct client *c, struct imsg *imsg)
|
|
{
|
|
struct msg_command data;
|
|
char *buf;
|
|
size_t len;
|
|
int argc;
|
|
char **argv, *cause;
|
|
struct cmd_parse_result *pr;
|
|
|
|
if (c->flags & CLIENT_EXIT)
|
|
return;
|
|
|
|
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) {
|
|
cause = xstrdup("command too long");
|
|
goto error;
|
|
}
|
|
|
|
if (argc == 0) {
|
|
argc = 1;
|
|
argv = xcalloc(1, sizeof *argv);
|
|
*argv = xstrdup("new-session");
|
|
}
|
|
|
|
pr = cmd_parse_from_arguments(argc, argv, NULL);
|
|
switch (pr->status) {
|
|
case CMD_PARSE_EMPTY:
|
|
cause = xstrdup("empty command");
|
|
goto error;
|
|
case CMD_PARSE_ERROR:
|
|
cause = pr->error;
|
|
goto error;
|
|
case CMD_PARSE_SUCCESS:
|
|
break;
|
|
}
|
|
cmd_free_argv(argc, argv);
|
|
|
|
cmdq_append(c, cmdq_get_command(pr->cmdlist, NULL, NULL, 0));
|
|
cmdq_append(c, cmdq_get_callback(server_client_command_done, NULL));
|
|
|
|
cmd_list_free(pr->cmdlist);
|
|
return;
|
|
|
|
error:
|
|
cmd_free_argv(argc, argv);
|
|
|
|
cmdq_append(c, cmdq_get_error(cause));
|
|
free(cause);
|
|
|
|
c->flags |= CLIENT_EXIT;
|
|
}
|
|
|
|
/* Handle identify message. */
|
|
static void
|
|
server_client_dispatch_identify(struct client *c, struct imsg *imsg)
|
|
{
|
|
const char *data, *home;
|
|
size_t datalen;
|
|
int flags;
|
|
char *name;
|
|
|
|
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->ttyname != '\0')
|
|
name = xstrdup(c->ttyname);
|
|
else
|
|
xasprintf(&name, "client-%ld", (long)c->pid);
|
|
c->name = name;
|
|
log_debug("client %p name is %s", c, c->name);
|
|
|
|
#ifdef __CYGWIN__
|
|
c->fd = open(c->ttyname, O_RDWR|O_NOCTTY);
|
|
#endif
|
|
|
|
if (c->flags & CLIENT_CONTROL) {
|
|
close(c->fd);
|
|
c->fd = -1;
|
|
|
|
control_start(c);
|
|
c->tty.fd = -1;
|
|
} else if (c->fd != -1) {
|
|
if (tty_init(&c->tty, c, c->fd, c->term) != 0) {
|
|
close(c->fd);
|
|
c->fd = -1;
|
|
} else {
|
|
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);
|
|
c->flags |= CLIENT_TERMINAL;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* If this is the first client that has finished identifying, load
|
|
* configuration files.
|
|
*/
|
|
if ((~c->flags & CLIENT_EXIT) &&
|
|
!cfg_finished &&
|
|
c == TAILQ_FIRST(&clients) &&
|
|
TAILQ_NEXT(c, entry) == NULL)
|
|
start_cfg();
|
|
}
|
|
|
|
/* Handle shell message. */
|
|
static void
|
|
server_client_dispatch_shell(struct client *c)
|
|
{
|
|
const char *shell;
|
|
|
|
shell = options_get_string(global_s_options, "default-shell");
|
|
if (!checkshell(shell))
|
|
shell = _PATH_BSHELL;
|
|
proc_send(c->peer, MSG_SHELL, -1, shell, strlen(shell) + 1);
|
|
|
|
proc_kill_peer(c->peer);
|
|
}
|
|
|
|
/* Handle write ready message. */
|
|
static void
|
|
server_client_dispatch_write_ready(struct client *c, struct imsg *imsg)
|
|
{
|
|
struct msg_write_ready *msg = imsg->data;
|
|
size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
|
|
struct client_file find, *cf;
|
|
|
|
if (msglen != sizeof *msg)
|
|
fatalx("bad MSG_WRITE_READY size");
|
|
find.stream = msg->stream;
|
|
if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
|
|
return;
|
|
if (msg->error != 0) {
|
|
cf->error = msg->error;
|
|
file_fire_done(cf);
|
|
} else
|
|
file_push(cf);
|
|
}
|
|
|
|
/* Handle read data message. */
|
|
static void
|
|
server_client_dispatch_read_data(struct client *c, struct imsg *imsg)
|
|
{
|
|
struct msg_read_data *msg = imsg->data;
|
|
size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
|
|
struct client_file find, *cf;
|
|
void *bdata = msg + 1;
|
|
size_t bsize = msglen - sizeof *msg;
|
|
|
|
if (msglen < sizeof *msg)
|
|
fatalx("bad MSG_READ_DATA size");
|
|
find.stream = msg->stream;
|
|
if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
|
|
return;
|
|
|
|
log_debug("%s: file %d read %zu bytes", c->name, cf->stream, bsize);
|
|
if (cf->error == 0) {
|
|
if (evbuffer_add(cf->buffer, bdata, bsize) != 0) {
|
|
cf->error = ENOMEM;
|
|
file_fire_done(cf);
|
|
} else
|
|
file_fire_read(cf);
|
|
}
|
|
}
|
|
|
|
/* Handle read done message. */
|
|
static void
|
|
server_client_dispatch_read_done(struct client *c, struct imsg *imsg)
|
|
{
|
|
struct msg_read_done *msg = imsg->data;
|
|
size_t msglen = imsg->hdr.len - IMSG_HEADER_SIZE;
|
|
struct client_file find, *cf;
|
|
|
|
if (msglen != sizeof *msg)
|
|
fatalx("bad MSG_READ_DONE size");
|
|
find.stream = msg->stream;
|
|
if ((cf = RB_FIND(client_files, &c->files, &find)) == NULL)
|
|
return;
|
|
|
|
log_debug("%s: file %d read done", c->name, cf->stream);
|
|
cf->error = msg->error;
|
|
file_fire_done(cf);
|
|
}
|
|
|
|
/* Add to client message log. */
|
|
void
|
|
server_client_add_message(struct client *c, const char *fmt, ...)
|
|
{
|
|
struct message_entry *msg, *msg1;
|
|
char *s;
|
|
va_list ap;
|
|
u_int limit;
|
|
|
|
va_start(ap, fmt);
|
|
xvasprintf(&s, fmt, ap);
|
|
va_end(ap);
|
|
|
|
log_debug("message %s (client %p)", s, c);
|
|
|
|
msg = xcalloc(1, sizeof *msg);
|
|
msg->msg_time = time(NULL);
|
|
msg->msg_num = c->message_next++;
|
|
msg->msg = s;
|
|
TAILQ_INSERT_TAIL(&c->message_log, msg, entry);
|
|
|
|
limit = options_get_number(global_options, "message-limit");
|
|
TAILQ_FOREACH_SAFE(msg, &c->message_log, entry, msg1) {
|
|
if (msg->msg_num + limit >= c->message_next)
|
|
break;
|
|
free(msg->msg);
|
|
TAILQ_REMOVE(&c->message_log, msg, entry);
|
|
free(msg);
|
|
}
|
|
}
|
|
|
|
/* Get client working directory. */
|
|
const char *
|
|
server_client_get_cwd(struct client *c, struct session *s)
|
|
{
|
|
const char *home;
|
|
|
|
if (!cfg_finished && cfg_client != NULL)
|
|
return (cfg_client->cwd);
|
|
if (c != NULL && c->session == NULL && c->cwd != NULL)
|
|
return (c->cwd);
|
|
if (s != NULL && s->cwd != NULL)
|
|
return (s->cwd);
|
|
if (c != NULL && (s = c->session) != NULL && s->cwd != NULL)
|
|
return (s->cwd);
|
|
if ((home = find_home()) != NULL)
|
|
return (home);
|
|
return ("/");
|
|
}
|