void
server_lock(void)
{
struct client *c;
static struct passwd *pw, pwstore;
static char pwbuf[_PW_BUF_LEN];
u_int i;
if (server_locked)
return;
if (getpwuid_r(getuid(), &pwstore, pwbuf, sizeof pwbuf, &pw) != 0) {
server_locked_pw = NULL;
return;
}
server_locked_pw = pw;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
status_prompt_clear(c);
status_prompt_set(c,
"Password:", server_lock_callback, NULL, c, PROMPT_HIDDEN);
server_redraw_client(c);
}
server_locked = 1;
}
int
server_unlock(const char *s)
{
struct client *c;
u_int i;
char *out;
if (!server_locked)
return (0);
if (server_password != NULL) {
if (s == NULL)
return (-1);
out = crypt(s, server_password);
if (strcmp(out, server_password) != 0)
return (-1);
}
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL)
continue;
status_prompt_clear(c);
server_redraw_client(c);
}
server_locked = 0;
return (0);
}
int
cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_switch_client_data *data = self->data;
struct client *c;
struct session *s;
if (data == NULL)
return (0);
if ((c = cmd_find_client(ctx, data->name)) == NULL)
return (-1);
if (data->flag_next) {
if ((s = session_next_session(c->session)) == NULL) {
ctx->error(ctx, "can't find next session");
return (-1);
}
} else if (data->flag_previous) {
if ((s = session_previous_session(c->session)) == NULL) {
ctx->error(ctx, "can't find previous session");
return (-1);
}
} else
s = cmd_find_session(ctx, data->target);
if (s == NULL)
return (-1);
c->session = s;
recalculate_sizes();
server_redraw_client(c);
return (0);
}
void
server_clear_identify(struct client *c)
{
if (c->flags & CLIENT_IDENTIFY) {
c->flags &= ~CLIENT_IDENTIFY;
c->tty.flags &= ~(TTY_FREEZE|TTY_NOCURSOR);
server_redraw_client(c);
}
}
int
cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct client *c;
struct session *s;
if ((c = cmd_find_client(ctx, args_get(args, 'c'))) == NULL)
return (-1);
if (args_has(args, 'r')) {
if (c->flags & CLIENT_READONLY) {
c->flags &= ~CLIENT_READONLY;
ctx->info(ctx, "made client writable");
} else {
c->flags |= CLIENT_READONLY;
ctx->info(ctx, "made client read-only");
}
}
s = NULL;
if (args_has(args, 'n')) {
if ((s = session_next_session(c->session)) == NULL) {
ctx->error(ctx, "can't find next session");
return (-1);
}
} else if (args_has(args, 'p')) {
if ((s = session_previous_session(c->session)) == NULL) {
ctx->error(ctx, "can't find previous session");
return (-1);
}
} else if (args_has(args, 'l')) {
if (c->last_session != NULL && session_alive(c->last_session))
s = c->last_session;
if (s == NULL) {
ctx->error(ctx, "can't find last session");
return (-1);
}
} else
s = cmd_find_session(ctx, args_get(args, 't'), 0);
if (s == NULL)
return (-1);
if (c->session != NULL)
c->last_session = c->session;
c->session = s;
session_update_activity(s);
recalculate_sizes();
server_check_unattached();
server_redraw_client(c);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
return (0);
}
int
cmd_refresh_client_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct client *c;
if ((c = cmd_find_client(ctx, args_get(args, 't'))) == NULL)
return (-1);
server_redraw_client(c);
return (0);
}
void
server_redraw_session(struct session *s)
{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (c->session == s)
server_redraw_client(c);
}
}
void
server_redraw_window(struct window *w)
{
struct client *c;
u_int i;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
if (c->session->curw->window == w)
server_redraw_client(c);
}
w->flags |= WINDOW_REDRAW;
}
int
cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_switch_client_data *data = self->data;
struct client *c;
struct session *s;
if (data == NULL)
return (0);
if ((c = cmd_find_client(ctx, data->name)) == NULL)
return (-1);
s = NULL;
if (data->flag_next) {
if ((s = session_next_session(c->session)) == NULL) {
ctx->error(ctx, "can't find next session");
return (-1);
}
} else if (data->flag_previous) {
if ((s = session_previous_session(c->session)) == NULL) {
ctx->error(ctx, "can't find previous session");
return (-1);
}
} else if (data->flag_last) {
if (c->last_session != NULL && session_alive(c->last_session))
s = c->last_session;
if (s == NULL) {
ctx->error(ctx, "can't find last session");
return (-1);
}
} else
s = cmd_find_session(ctx, data->target);
if (s == NULL)
return (-1);
if (c->session != NULL)
c->last_session = c->session;
c->session = s;
session_update_activity(s);
recalculate_sizes();
server_check_unattached();
server_redraw_client(c);
return (0);
}
void
server_set_identify(struct client *c)
{
struct timeval tv;
int delay;
delay = options_get_number(&c->session->options, "display-panes-time");
tv.tv_sec = delay / 1000;
tv.tv_usec = (delay % 1000) * 1000L;
if (gettimeofday(&c->identify_timer, NULL) != 0)
fatal("gettimeofday");
timeradd(&c->identify_timer, &tv, &c->identify_timer);
c->flags |= CLIENT_IDENTIFY;
c->tty.flags |= (TTY_FREEZE|TTY_NOCURSOR);
server_redraw_client(c);
}
int
cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct client *c;
struct session *s;
if ((c = cmd_find_client(ctx, args_get(args, 'c'))) == NULL)
return (-1);
s = NULL;
if (args_has(args, 'n')) {
if ((s = session_next_session(c->session)) == NULL) {
ctx->error(ctx, "can't find next session");
return (-1);
}
} else if (args_has(args, 'p')) {
if ((s = session_previous_session(c->session)) == NULL) {
ctx->error(ctx, "can't find previous session");
return (-1);
}
} else if (args_has(args, 'l')) {
if (c->last_session != NULL && session_alive(c->last_session))
s = c->last_session;
if (s == NULL) {
ctx->error(ctx, "can't find last session");
return (-1);
}
} else
s = cmd_find_session(ctx, args_get(args, 't'), 0);
if (s == NULL)
return (-1);
if (c->session != NULL)
c->last_session = c->session;
c->session = s;
session_update_activity(s);
recalculate_sizes();
server_check_unattached();
server_redraw_client(c);
return (0);
}
static enum cmd_retval
cmd_refresh_client_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct client *c;
const char *size;
u_int w, h;
if ((c = cmd_find_client(item, args_get(args, 't'), 0)) == NULL)
return (CMD_RETURN_ERROR);
if (args_has(args, 'C')) {
if ((size = args_get(args, 'C')) == NULL) {
cmdq_error(item, "missing size");
return (CMD_RETURN_ERROR);
}
if (sscanf(size, "%u,%u", &w, &h) != 2) {
cmdq_error(item, "bad size argument");
return (CMD_RETURN_ERROR);
}
if (w < PANE_MINIMUM || w > 5000 ||
h < PANE_MINIMUM || h > 5000) {
cmdq_error(item, "size too small or too big");
return (CMD_RETURN_ERROR);
}
if (!(c->flags & CLIENT_CONTROL)) {
cmdq_error(item, "not a control client");
return (CMD_RETURN_ERROR);
}
tty_set_size(&c->tty, w, h);
c->flags |= CLIENT_SIZECHANGED;
recalculate_sizes();
} else if (args_has(args, 'S')) {
c->flags |= CLIENT_STATUSFORCE;
server_status_client(c);
} else {
c->flags |= CLIENT_STATUSFORCE;
server_redraw_client(c);
}
return (CMD_RETURN_NORMAL);
}
void
server_lock(void)
{
struct client *c;
u_int i;
if (server_locked)
return;
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
status_prompt_clear(c);
status_prompt_set(c, "Password: ", server_lock_callback, c, 1);
server_redraw_client(c);
}
server_locked = 1;
}
int
cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct session *s;
char *cause;
if (ctx->curclient != NULL)
return (0);
if (ARRAY_LENGTH(&sessions) == 0) {
ctx->error(ctx, "no sessions");
return (-1);
}
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
ctx->error(ctx, "not a terminal");
return (-1);
}
if (tty_open(&ctx->cmdclient->tty, &cause) != 0) {
ctx->error(ctx, "terminal open failed: %s", cause);
xfree(cause);
return (-1);
}
if (data->flags & CMD_DFLAG)
server_write_session(s, MSG_DETACH, NULL, 0);
ctx->cmdclient->session = s;
server_write_client(ctx->cmdclient, MSG_READY, NULL, 0);
recalculate_sizes();
server_redraw_client(ctx->cmdclient);
return (1);
}
enum cmd_retval
cmd_set_option_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
const struct options_table_entry *table, *oe;
struct session *s;
struct winlink *wl;
struct client *c;
struct options *oo;
struct window *w;
const char *optstr, *valstr;
u_int i;
/* Get the option name and value. */
optstr = args->argv[0];
if (*optstr == '\0') {
cmdq_error(cmdq, "invalid option");
return (CMD_RETURN_ERROR);
}
if (args->argc < 2)
valstr = NULL;
else
valstr = args->argv[1];
/* Is this a user option? */
if (*optstr == '@')
return (cmd_set_option_user(self, cmdq, optstr, valstr));
/* Find the option entry, try each table. */
table = oe = NULL;
if (options_table_find(optstr, &table, &oe) != 0) {
cmdq_error(cmdq, "ambiguous option: %s", optstr);
return (CMD_RETURN_ERROR);
}
if (oe == NULL) {
cmdq_error(cmdq, "unknown option: %s", optstr);
return (CMD_RETURN_ERROR);
}
/* Work out the tree from the table. */
if (table == server_options_table)
oo = &global_options;
else if (table == window_options_table) {
if (args_has(self->args, 'g'))
oo = &global_w_options;
else {
wl = cmd_find_window(cmdq, args_get(args, 't'), NULL);
if (wl == NULL) {
cmdq_error(cmdq,
"couldn't set '%s'%s", optstr,
(!args_has(args, 't') && !args_has(args,
'g')) ? " need target window or -g" : "");
return (CMD_RETURN_ERROR);
}
oo = &wl->window->options;
}
} else if (table == session_options_table) {
if (args_has(self->args, 'g'))
oo = &global_s_options;
else {
s = cmd_find_session(cmdq, args_get(args, 't'), 0);
if (s == NULL) {
cmdq_error(cmdq,
"couldn't set '%s'%s", optstr,
(!args_has(args, 't') && !args_has(args,
'g')) ? " need target session or -g" : "");
return (CMD_RETURN_ERROR);
}
oo = &s->options;
}
} else {
cmdq_error(cmdq, "unknown table");
return (CMD_RETURN_ERROR);
}
/* Unset or set the option. */
if (args_has(args, 'u')) {
if (cmd_set_option_unset(self, cmdq, oe, oo, valstr) != 0)
return (CMD_RETURN_ERROR);
} else {
if (args_has(args, 'o') && options_find1(oo, optstr) != NULL) {
if (!args_has(args, 'q'))
cmdq_print(cmdq, "already set: %s", optstr);
return (CMD_RETURN_NORMAL);
}
if (cmd_set_option_set(self, cmdq, oe, oo, valstr) != 0)
return (CMD_RETURN_ERROR);
}
/* Start or stop timers when automatic-rename changed. */
if (strcmp(oe->name, "automatic-rename") == 0) {
for (i = 0; i < ARRAY_LENGTH(&windows); i++) {
if ((w = ARRAY_ITEM(&windows, i)) == NULL)
continue;
if (options_get_number(&w->options, "automatic-rename"))
queue_window_name(w);
else if (event_initialized(&w->name_timer))
evtimer_del(&w->name_timer);
}
}
/* Update sizes and redraw. May not need it but meh. */
recalculate_sizes();
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL && c->session != NULL)
server_redraw_client(c);
}
return (CMD_RETURN_NORMAL);
}
enum cmd_retval
cmd_new_session_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct client *c = cmdq->client, *c0;
struct session *s, *groupwith;
struct window *w;
struct environ env;
struct termios tio, *tiop;
const char *newname, *target, *update, *errstr, *template;
const char *path;
char **argv, *cmd, *cause, *cp;
int detached, already_attached, idx, cwd, fd = -1;
int argc;
u_int sx, sy;
struct format_tree *ft;
struct environ_entry *envent;
if (self->entry == &cmd_has_session_entry) {
if (cmd_find_session(cmdq, args_get(args, 't'), 0) == NULL)
return (CMD_RETURN_ERROR);
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n'))) {
cmdq_error(cmdq, "command or window name given with target");
return (CMD_RETURN_ERROR);
}
newname = args_get(args, 's');
if (newname != NULL) {
if (!session_check_name(newname)) {
cmdq_error(cmdq, "bad session name: %s", newname);
return (CMD_RETURN_ERROR);
}
if (session_find(newname) != NULL) {
if (args_has(args, 'A')) {
return (cmd_attach_session(cmdq, newname,
args_has(args, 'D'), 0, NULL,
args_has(args, 'E')));
}
cmdq_error(cmdq, "duplicate session: %s", newname);
return (CMD_RETURN_ERROR);
}
}
target = args_get(args, 't');
if (target != NULL) {
groupwith = cmd_find_session(cmdq, target, 0);
if (groupwith == NULL)
return (CMD_RETURN_ERROR);
} else
groupwith = NULL;
/* Set -d if no client. */
detached = args_has(args, 'd');
if (c == NULL)
detached = 1;
/* Is this client already attached? */
already_attached = 0;
if (c != NULL && c->session != NULL)
already_attached = 1;
/* Get the new session working directory. */
if (args_has(args, 'c')) {
ft = format_create();
format_defaults(ft, cmd_find_client(cmdq, NULL, 1), NULL, NULL,
NULL);
cp = format_expand(ft, args_get(args, 'c'));
format_free(ft);
if (cp != NULL && *cp != '\0') {
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
} else if (cp != NULL)
free(cp);
cwd = fd;
} else if (c != NULL && c->session == NULL)
cwd = c->cwd;
else if ((c0 = cmd_find_client(cmdq, NULL, 1)) != NULL)
cwd = c0->session->cwd;
else {
fd = open(".", O_RDONLY);
cwd = fd;
}
/*
* If this is a new client, check for nesting and save the termios
* settings (part of which is used for new windows in this session).
*
* tcgetattr() is used rather than using tty.tio since if the client is
* detached, tty_open won't be called. It must be done before opening
* the terminal as that calls tcsetattr() to prepare for tmux taking
* over.
*/
if (!detached && !already_attached && c->tty.fd != -1) {
if (server_client_check_nested(cmdq->client)) {
cmdq_error(cmdq, "sessions should be nested with care, "
"unset $TMUX to force");
return (CMD_RETURN_ERROR);
}
if (tcgetattr(c->tty.fd, &tio) != 0)
fatal("tcgetattr failed");
tiop = &tio;
} else
tiop = NULL;
/* Open the terminal if necessary. */
if (!detached && !already_attached) {
if (server_client_open(c, &cause) != 0) {
cmdq_error(cmdq, "open terminal failed: %s", cause);
free(cause);
goto error;
}
}
/* Find new session size. */
if (c != NULL) {
sx = c->tty.sx;
sy = c->tty.sy;
} else {
sx = 80;
sy = 24;
}
if (detached && args_has(args, 'x')) {
sx = strtonum(args_get(args, 'x'), 1, USHRT_MAX, &errstr);
if (errstr != NULL) {
cmdq_error(cmdq, "width %s", errstr);
goto error;
}
}
if (detached && args_has(args, 'y')) {
sy = strtonum(args_get(args, 'y'), 1, USHRT_MAX, &errstr);
if (errstr != NULL) {
cmdq_error(cmdq, "height %s", errstr);
goto error;
}
}
if (sy > 0 && options_get_number(&global_s_options, "status"))
sy--;
if (sx == 0)
sx = 1;
if (sy == 0)
sy = 1;
/* Figure out the command for the new window. */
argc = -1;
argv = NULL;
if (target == NULL && args->argc != 0) {
argc = args->argc;
argv = args->argv;
} else if (target == NULL) {
cmd = options_get_string(&global_s_options, "default-command");
if (cmd != NULL && *cmd != '\0') {
argc = 1;
argv = &cmd;
} else {
argc = 0;
argv = NULL;
}
}
path = NULL;
if (c != NULL && c->session == NULL)
envent = environ_find(&c->environ, "PATH");
else
envent = environ_find(&global_environ, "PATH");
if (envent != NULL)
path = envent->value;
/* Construct the environment. */
environ_init(&env);
if (c != NULL && !args_has(args, 'E')) {
update = options_get_string(&global_s_options,
"update-environment");
environ_update(update, &c->environ, &env);
}
/* Create the new session. */
idx = -1 - options_get_number(&global_s_options, "base-index");
s = session_create(newname, argc, argv, path, cwd, &env, tiop, idx, sx,
sy, &cause);
if (s == NULL) {
cmdq_error(cmdq, "create session failed: %s", cause);
free(cause);
goto error;
}
environ_free(&env);
/* Set the initial window name if one given. */
if (argc >= 0 && args_has(args, 'n')) {
w = s->curw->window;
window_set_name(w, args_get(args, 'n'));
options_set_number(&w->options, "automatic-rename", 0);
}
/*
* If a target session is given, this is to be part of a session group,
* so add it to the group and synchronize.
*/
if (groupwith != NULL) {
session_group_add(groupwith, s);
session_group_synchronize_to(s);
session_select(s, RB_MIN(winlinks, &s->windows)->idx);
}
/*
* Set the client to the new session. If a command client exists, it is
* taking this session and needs to get MSG_READY and stay around.
*/
if (!detached) {
if (!already_attached)
server_write_ready(c);
else if (c->session != NULL)
c->last_session = c->session;
c->session = s;
status_timer_start(c);
notify_attached_session_changed(c);
session_update_activity(s);
server_redraw_client(c);
}
recalculate_sizes();
server_update_socket();
/*
* If there are still configuration file errors to display, put the new
* session's current window into more mode and display them now.
*/
if (cfg_finished)
cfg_show_causes(s);
/* Print if requested. */
if (args_has(args, 'P')) {
if ((template = args_get(args, 'F')) == NULL)
int
cmd_new_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct session *s, *old_s, *groupwith;
struct window *w;
struct window_pane *wp;
struct environ env;
struct termios tio, *tiop;
struct passwd *pw;
const char *newname, *target, *update, *cwd;
char *overrides, *cmd, *cause;
int detached, idx;
u_int sx, sy, i;
newname = args_get(args, 's');
if (newname != NULL && session_find(newname) != NULL) {
ctx->error(ctx, "duplicate session: %s", newname);
return (-1);
}
target = args_get(args, 't');
if (target != NULL) {
groupwith = cmd_find_session(ctx, target);
if (groupwith == NULL)
return (-1);
} else
groupwith = NULL;
/*
* There are three cases:
*
* 1. If cmdclient is non-NULL, new-session has been called from the
* command-line - cmdclient is to become a new attached, interactive
* client. Unless -d is given, the terminal must be opened and then
* the client sent MSG_READY.
*
* 2. If cmdclient is NULL, new-session has been called from an
* existing client (such as a key binding).
*
* 3. Both are NULL, the command was in the configuration file. Treat
* this as if -d was given even if it was not.
*
* In all cases, a new additional session needs to be created and
* (unless -d) set as the current session for the client.
*/
/* Set -d if no client. */
detached = args_has(args, 'd');
if (ctx->cmdclient == NULL && ctx->curclient == NULL)
detached = 1;
/*
* Save the termios settings, part of which is used for new windows in
* this session.
*
* This is read again with tcgetattr() rather than using tty.tio as if
* detached, tty_open won't be called. Because of this, it must be done
* before opening the terminal as that calls tcsetattr() to prepare for
* tmux taking over.
*/
if (ctx->cmdclient != NULL && ctx->cmdclient->tty.fd != -1) {
if (tcgetattr(ctx->cmdclient->tty.fd, &tio) != 0)
fatal("tcgetattr failed");
tiop = &tio;
} else
tiop = NULL;
/* Open the terminal if necessary. */
if (!detached && ctx->cmdclient != NULL) {
if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
ctx->error(ctx, "not a terminal");
return (-1);
}
overrides =
options_get_string(&global_s_options, "terminal-overrides");
if (tty_open(&ctx->cmdclient->tty, overrides, &cause) != 0) {
ctx->error(ctx, "open terminal failed: %s", cause);
xfree(cause);
return (-1);
}
}
/* Get the new session working directory. */
if (ctx->cmdclient != NULL && ctx->cmdclient->cwd != NULL)
cwd = ctx->cmdclient->cwd;
else {
pw = getpwuid(getuid());
if (pw->pw_dir != NULL && *pw->pw_dir != '\0')
cwd = pw->pw_dir;
else
cwd = "/";
}
/* Find new session size. */
if (detached) {
sx = 80;
sy = 24;
} else if (ctx->cmdclient != NULL) {
sx = ctx->cmdclient->tty.sx;
sy = ctx->cmdclient->tty.sy;
} else {
sx = ctx->curclient->tty.sx;
sy = ctx->curclient->tty.sy;
}
if (sy > 0 && options_get_number(&global_s_options, "status"))
sy--;
if (sx == 0)
sx = 1;
if (sy == 0)
sy = 1;
/* Figure out the command for the new window. */
if (target != NULL)
cmd = NULL;
else if (args->argc != 0)
cmd = args->argv[0];
else
cmd = options_get_string(&global_s_options, "default-command");
/* Construct the environment. */
environ_init(&env);
update = options_get_string(&global_s_options, "update-environment");
if (ctx->cmdclient != NULL)
environ_update(update, &ctx->cmdclient->environ, &env);
/* Create the new session. */
idx = -1 - options_get_number(&global_s_options, "base-index");
s = session_create(newname, cmd, cwd, &env, tiop, idx, sx, sy, &cause);
if (s == NULL) {
ctx->error(ctx, "create session failed: %s", cause);
xfree(cause);
return (-1);
}
environ_free(&env);
/* Set the initial window name if one given. */
if (cmd != NULL && args_has(args, 'n')) {
w = s->curw->window;
xfree(w->name);
w->name = xstrdup(args_get(args, 'n'));
options_set_number(&w->options, "automatic-rename", 0);
}
/*
* If a target session is given, this is to be part of a session group,
* so add it to the group and synchronize.
*/
if (groupwith != NULL) {
session_group_add(groupwith, s);
session_group_synchronize_to(s);
session_select(s, RB_ROOT(&s->windows)->idx);
}
/*
* Set the client to the new session. If a command client exists, it is
* taking this session and needs to get MSG_READY and stay around.
*/
if (!detached) {
if (ctx->cmdclient != NULL) {
server_write_client(ctx->cmdclient, MSG_READY, NULL, 0);
old_s = ctx->cmdclient->session;
if (old_s != NULL)
ctx->cmdclient->last_session = old_s;
ctx->cmdclient->session = s;
session_update_activity(s);
server_redraw_client(ctx->cmdclient);
} else {
old_s = ctx->curclient->session;
if (old_s != NULL)
ctx->curclient->last_session = old_s;
ctx->curclient->session = s;
session_update_activity(s);
server_redraw_client(ctx->curclient);
}
}
recalculate_sizes();
server_update_socket();
/*
* If there are still configuration file errors to display, put the new
* session's current window into more mode and display them now.
*/
if (cfg_finished && !ARRAY_EMPTY(&cfg_causes)) {
wp = s->curw->window->active;
window_pane_set_mode(wp, &window_copy_mode);
window_copy_init_for_output(wp);
for (i = 0; i < ARRAY_LENGTH(&cfg_causes); i++) {
cause = ARRAY_ITEM(&cfg_causes, i);
window_copy_add(wp, "%s", cause);
xfree(cause);
}
ARRAY_FREE(&cfg_causes);
}
return (!detached); /* 1 means don't tell command client to exit */
}
enum cmd_retval
cmd_attach_session(struct cmd_q *cmdq, const char *tflag, int dflag, int rflag,
const char *cflag)
{
struct session *s;
struct client *c;
struct winlink *wl = NULL;
struct window *w = NULL;
struct window_pane *wp = NULL;
const char *update;
char *cause;
u_int i;
int fd;
struct format_tree *ft;
char *cp;
if (RB_EMPTY(&sessions)) {
cmdq_error(cmdq, "no sessions");
return (CMD_RETURN_ERROR);
}
if (tflag == NULL) {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
} else if (tflag[strcspn(tflag, ":.")] != '\0') {
if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL)
return (CMD_RETURN_ERROR);
} else {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
w = cmd_lookup_windowid(tflag);
if (w == NULL && (wp = cmd_lookup_paneid(tflag)) != NULL)
w = wp->window;
if (w != NULL)
wl = winlink_find_by_window(&s->windows, w);
}
if (cmdq->client == NULL)
return (CMD_RETURN_NORMAL);
if (wl != NULL) {
if (wp != NULL)
window_set_active_pane(wp->window, wp);
session_set_current(s, wl);
}
if (cmdq->client->session != NULL) {
if (dflag) {
/*
* Can't use server_write_session in case attaching to
* the same session as currently attached to.
*/
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session != s)
continue;
if (c == cmdq->client)
continue;
server_write_client(c, MSG_DETACH,
c->session->name,
strlen(c->session->name) + 1);
}
}
if (cflag != NULL) {
ft = format_create();
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, s->curw);
format_window_pane(ft, s->curw->window->active);
cp = format_expand(ft, cflag);
format_free(ft);
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
close(s->cwd);
s->cwd = fd;
}
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
server_redraw_client(cmdq->client);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
} else {
if (server_client_open(cmdq->client, s, &cause) != 0) {
cmdq_error(cmdq, "open terminal failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (cflag != NULL) {
ft = format_create();
if ((c = cmd_find_client(cmdq, NULL, 1)) != NULL)
format_client(ft, c);
format_session(ft, s);
format_winlink(ft, s, s->curw);
format_window_pane(ft, s->curw->window->active);
cp = format_expand(ft, cflag);
format_free(ft);
fd = open(cp, O_RDONLY|O_DIRECTORY);
free(cp);
if (fd == -1) {
cmdq_error(cmdq, "bad working directory: %s",
strerror(errno));
return (CMD_RETURN_ERROR);
}
close(s->cwd);
s->cwd = fd;
}
if (rflag)
cmdq->client->flags |= CLIENT_READONLY;
if (dflag) {
server_write_session(s, MSG_DETACH, s->name,
strlen(s->name) + 1);
}
update = options_get_string(&s->options, "update-environment");
environ_update(update, &cmdq->client->environ, &s->environ);
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
server_redraw_client(cmdq->client);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
server_write_ready(cmdq->client);
cmdq->client_exit = 0;
}
recalculate_sizes();
server_update_socket();
return (CMD_RETURN_NORMAL);
}
enum cmd_retval
cmd_switch_client_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct client *c;
struct session *s = NULL;
struct winlink *wl = NULL;
struct window *w = NULL;
struct window_pane *wp = NULL;
const char *tflag, *tablename, *update;
struct key_table *table;
if ((c = cmd_find_client(cmdq, args_get(args, 'c'), 0)) == NULL)
return (CMD_RETURN_ERROR);
if (args_has(args, 'r')) {
if (c->flags & CLIENT_READONLY)
c->flags &= ~CLIENT_READONLY;
else
c->flags |= CLIENT_READONLY;
}
tablename = args_get(args, 'T');
if (tablename != NULL) {
table = key_bindings_get_table(tablename, 0);
if (table == NULL) {
cmdq_error(cmdq, "table %s doesn't exist", tablename);
return (CMD_RETURN_ERROR);
}
table->references++;
key_bindings_unref_table(c->keytable);
c->keytable = table;
}
tflag = args_get(args, 't');
if (args_has(args, 'n')) {
if ((s = session_next_session(c->session)) == NULL) {
cmdq_error(cmdq, "can't find next session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'p')) {
if ((s = session_previous_session(c->session)) == NULL) {
cmdq_error(cmdq, "can't find previous session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'l')) {
if (c->last_session != NULL && session_alive(c->last_session))
s = c->last_session;
if (s == NULL) {
cmdq_error(cmdq, "can't find last session");
return (CMD_RETURN_ERROR);
}
} else {
if (tflag == NULL) {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
} else if (tflag[strcspn(tflag, ":.")] != '\0') {
if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL)
return (CMD_RETURN_ERROR);
} else {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
w = window_find_by_id_str(tflag);
if (w == NULL) {
wp = window_pane_find_by_id_str(tflag);
if (wp != NULL)
w = wp->window;
}
if (w != NULL)
wl = winlink_find_by_window(&s->windows, w);
}
if (cmdq->client == NULL)
return (CMD_RETURN_NORMAL);
if (wl != NULL) {
if (wp != NULL)
window_set_active_pane(wp->window, wp);
session_set_current(s, wl);
}
}
if (c != NULL && !args_has(args, 'E')) {
update = options_get_string(&s->options, "update-environment");
environ_update(update, &c->environ, &s->environ);
}
if (c->session != NULL)
c->last_session = c->session;
c->session = s;
status_timer_start(c);
session_update_activity(s);
recalculate_sizes();
server_check_unattached();
server_redraw_client(c);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
return (CMD_RETURN_NORMAL);
}
int
cmd_set_window_option_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_option_data *data = self->data;
struct winlink *wl;
struct client *c;
struct options *oo;
const struct set_option_entry *entry;
u_int i;
if (data->flags & CMD_GFLAG)
oo = &global_window_options;
else {
if ((wl = cmd_find_window(ctx, data->target, NULL)) == NULL)
return (-1);
oo = &wl->window->options;
}
if (*data->option == '\0') {
ctx->error(ctx, "invalid option");
return (-1);
}
entry = NULL;
for (i = 0; i < NSETWINDOWOPTION; i++) {
if (strncmp(set_window_option_table[i].name,
data->option, strlen(data->option)) != 0)
continue;
if (entry != NULL) {
ctx->error(ctx, "ambiguous option: %s", data->option);
return (-1);
}
entry = &set_window_option_table[i];
/* Bail now if an exact match. */
if (strcmp(entry->name, data->option) == 0)
break;
}
if (entry == NULL) {
ctx->error(ctx, "unknown option: %s", data->option);
return (-1);
}
if (data->flags & CMD_UFLAG) {
if (data->flags & CMD_GFLAG) {
ctx->error(ctx,
"can't unset global option: %s", entry->name);
return (-1);
}
if (data->value != NULL) {
ctx->error(ctx,
"value passed to unset option: %s", entry->name);
return (-1);
}
options_remove(oo, entry->name);
ctx->info(ctx, "unset option: %s", entry->name);
} else {
switch (entry->type) {
case SET_OPTION_STRING:
set_option_string(ctx, oo, entry, data->value);
break;
case SET_OPTION_NUMBER:
set_option_number(ctx, oo, entry, data->value);
break;
case SET_OPTION_KEY:
set_option_key(ctx, oo, entry, data->value);
break;
case SET_OPTION_COLOUR:
set_option_colour(ctx, oo, entry, data->value);
break;
case SET_OPTION_ATTRIBUTES:
set_option_attributes(ctx, oo, entry, data->value);
break;
case SET_OPTION_FLAG:
set_option_flag(ctx, oo, entry, data->value);
break;
case SET_OPTION_CHOICE:
set_option_choice(ctx, oo, entry, data->value);
break;
}
}
recalculate_sizes();
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL && c->session != NULL)
server_redraw_client(c);
}
return (0);
}
int
cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
struct session *s;
struct client *c;
const char *update;
char *cause;
u_int i;
if (RB_EMPTY(&sessions)) {
ctx->error(ctx, "no sessions");
return (-1);
}
if ((s = cmd_find_session(ctx, args_get(args, 't'), 1)) == NULL)
return (-1);
if (ctx->cmdclient == NULL && ctx->curclient == NULL)
return (0);
if (ctx->cmdclient == NULL) {
if (args_has(self->args, 'd')) {
/*
* Can't use server_write_session in case attaching to
* the same session as currently attached to.
*/
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session != s)
continue;
if (c == ctx->curclient)
continue;
server_write_client(c, MSG_DETACH, NULL, 0);
}
}
ctx->curclient->session = s;
notify_attached_session_changed(ctx->curclient);
session_update_activity(s);
server_redraw_client(ctx->curclient);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
} else {
if (server_client_open(ctx->cmdclient, s, &cause) != 0) {
ctx->error(ctx, "open terminal failed: %s", cause);
xfree(cause);
return (-1);
}
if (args_has(self->args, 'r'))
ctx->cmdclient->flags |= CLIENT_READONLY;
if (args_has(self->args, 'd'))
server_write_session(s, MSG_DETACH, NULL, 0);
ctx->cmdclient->session = s;
notify_attached_session_changed(ctx->cmdclient);
session_update_activity(s);
server_write_ready(ctx->cmdclient);
update = options_get_string(&s->options, "update-environment");
environ_update(update, &ctx->cmdclient->environ, &s->environ);
server_redraw_client(ctx->cmdclient);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
}
recalculate_sizes();
server_update_socket();
return (1); /* 1 means don't tell command client to exit */
}
static enum cmd_retval
cmd_new_session_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
struct client *c = item->client;
struct session *s, *as;
struct session *groupwith = item->state.tflag.s;
struct window *w;
struct environ *env;
struct termios tio, *tiop;
const char *newname, *target, *update, *errstr, *template;
const char *path, *cwd, *to_free = NULL;
char **argv, *cmd, *cause, *cp;
int detached, already_attached, idx, argc;
u_int sx, sy;
struct format_tree *ft;
struct environ_entry *envent;
struct cmd_find_state fs;
if (self->entry == &cmd_has_session_entry) {
/*
* cmd_prepare() will fail if the session cannot be found,
* hence always return success here.
*/
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 't') && (args->argc != 0 || args_has(args, 'n'))) {
cmdq_error(item, "command or window name given with target");
return (CMD_RETURN_ERROR);
}
newname = args_get(args, 's');
if (newname != NULL) {
if (!session_check_name(newname)) {
cmdq_error(item, "bad session name: %s", newname);
return (CMD_RETURN_ERROR);
}
if ((as = session_find(newname)) != NULL) {
if (args_has(args, 'A')) {
/*
* This item is now destined for
* attach-session. Because attach-session will
* have already been prepared, copy this
* session into its tflag so it can be used.
*/
cmd_find_from_session(&item->state.tflag, as);
return (cmd_attach_session(item,
args_has(args, 'D'), 0, NULL,
args_has(args, 'E')));
}
cmdq_error(item, "duplicate session: %s", newname);
return (CMD_RETURN_ERROR);
}
}
if ((target = args_get(args, 't')) != NULL) {
if (groupwith == NULL) {
cmdq_error(item, "no such session: %s", target);
goto error;
}
} else
groupwith = NULL;
/* Set -d if no client. */
detached = args_has(args, 'd');
if (c == NULL)
detached = 1;
/* Is this client already attached? */
already_attached = 0;
if (c != NULL && c->session != NULL)
already_attached = 1;
/* Get the new session working directory. */
if (args_has(args, 'c')) {
ft = format_create(item, 0);
format_defaults(ft, c, NULL, NULL, NULL);
to_free = cwd = format_expand(ft, args_get(args, 'c'));
format_free(ft);
} else if (c != NULL && c->session == NULL && c->cwd != NULL)
cwd = c->cwd;
else
cwd = ".";
/*
* If this is a new client, check for nesting and save the termios
* settings (part of which is used for new windows in this session).
*
* tcgetattr() is used rather than using tty.tio since if the client is
* detached, tty_open won't be called. It must be done before opening
* the terminal as that calls tcsetattr() to prepare for tmux taking
* over.
*/
if (!detached && !already_attached && c->tty.fd != -1) {
if (server_client_check_nested(item->client)) {
cmdq_error(item, "sessions should be nested with care, "
"unset $TMUX to force");
return (CMD_RETURN_ERROR);
}
if (tcgetattr(c->tty.fd, &tio) != 0)
fatal("tcgetattr failed");
tiop = &tio;
} else
tiop = NULL;
/* Open the terminal if necessary. */
if (!detached && !already_attached) {
if (server_client_open(c, &cause) != 0) {
cmdq_error(item, "open terminal failed: %s", cause);
free(cause);
goto error;
}
}
/* Find new session size. */
if (c != NULL) {
sx = c->tty.sx;
sy = c->tty.sy;
} else {
sx = 80;
sy = 24;
}
if (detached && args_has(args, 'x')) {
sx = strtonum(args_get(args, 'x'), 1, USHRT_MAX, &errstr);
if (errstr != NULL) {
cmdq_error(item, "width %s", errstr);
goto error;
}
}
if (detached && args_has(args, 'y')) {
sy = strtonum(args_get(args, 'y'), 1, USHRT_MAX, &errstr);
if (errstr != NULL) {
cmdq_error(item, "height %s", errstr);
goto error;
}
}
if (sy > 0 && options_get_number(global_s_options, "status"))
sy--;
if (sx == 0)
sx = 1;
if (sy == 0)
sy = 1;
/* Figure out the command for the new window. */
argc = -1;
argv = NULL;
if (!args_has(args, 't') && args->argc != 0) {
argc = args->argc;
argv = args->argv;
} else if (groupwith == NULL) {
cmd = options_get_string(global_s_options, "default-command");
if (cmd != NULL && *cmd != '\0') {
argc = 1;
argv = &cmd;
} else {
argc = 0;
argv = NULL;
}
}
path = NULL;
if (c != NULL && c->session == NULL)
envent = environ_find(c->environ, "PATH");
else
envent = environ_find(global_environ, "PATH");
if (envent != NULL)
path = envent->value;
/* Construct the environment. */
env = environ_create();
if (c != NULL && !args_has(args, 'E')) {
update = options_get_string(global_s_options,
"update-environment");
environ_update(update, c->environ, env);
}
/* Create the new session. */
idx = -1 - options_get_number(global_s_options, "base-index");
s = session_create(newname, argc, argv, path, cwd, env, tiop, idx, sx,
sy, &cause);
environ_free(env);
if (s == NULL) {
cmdq_error(item, "create session failed: %s", cause);
free(cause);
goto error;
}
/* Set the initial window name if one given. */
if (argc >= 0 && args_has(args, 'n')) {
w = s->curw->window;
window_set_name(w, args_get(args, 'n'));
options_set_number(w->options, "automatic-rename", 0);
}
/*
* If a target session is given, this is to be part of a session group,
* so add it to the group and synchronize.
*/
if (groupwith != NULL) {
session_group_add(groupwith, s);
session_group_synchronize_to(s);
session_select(s, RB_MIN(winlinks, &s->windows)->idx);
}
notify_session("session-created", s);
/*
* Set the client to the new session. If a command client exists, it is
* taking this session and needs to get MSG_READY and stay around.
*/
if (!detached) {
if (!already_attached) {
if (~c->flags & CLIENT_CONTROL)
proc_send(c->peer, MSG_READY, -1, NULL, 0);
} else if (c->session != NULL)
c->last_session = c->session;
c->session = s;
server_client_set_key_table(c, NULL);
status_timer_start(c);
notify_client("client-session-changed", c);
session_update_activity(s, NULL);
gettimeofday(&s->last_attached_time, NULL);
server_redraw_client(c);
}
recalculate_sizes();
server_update_socket();
/*
* If there are still configuration file errors to display, put the new
* session's current window into more mode and display them now.
*/
if (cfg_finished)
cfg_show_causes(s);
/* Print if requested. */
if (args_has(args, 'P')) {
if ((template = args_get(args, 'F')) == NULL)
static enum cmd_retval
cmd_switch_client_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct cmd_state *state = &cmdq->state;
struct client *c = state->c;
struct session *s = cmdq->state.tflag.s;
struct window_pane *wp;
const char *tablename, *update;
struct key_table *table;
if (args_has(args, 'r'))
c->flags ^= CLIENT_READONLY;
tablename = args_get(args, 'T');
if (tablename != NULL) {
table = key_bindings_get_table(tablename, 0);
if (table == NULL) {
cmdq_error(cmdq, "table %s doesn't exist", tablename);
return (CMD_RETURN_ERROR);
}
table->references++;
key_bindings_unref_table(c->keytable);
c->keytable = table;
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'n')) {
if ((s = session_next_session(c->session)) == NULL) {
cmdq_error(cmdq, "can't find next session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'p')) {
if ((s = session_previous_session(c->session)) == NULL) {
cmdq_error(cmdq, "can't find previous session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'l')) {
if (c->last_session != NULL && session_alive(c->last_session))
s = c->last_session;
else
s = NULL;
if (s == NULL) {
cmdq_error(cmdq, "can't find last session");
return (CMD_RETURN_ERROR);
}
} else {
if (cmdq->client == NULL)
return (CMD_RETURN_NORMAL);
if (state->tflag.wl != NULL) {
wp = state->tflag.wp;
if (wp != NULL)
window_set_active_pane(wp->window, wp);
session_set_current(s, state->tflag.wl);
}
}
if (c != NULL && !args_has(args, 'E')) {
update = options_get_string(s->options, "update-environment");
environ_update(update, c->environ, s->environ);
}
if (c->session != NULL && c->session != s)
c->last_session = c->session;
c->session = s;
server_client_set_key_table(c, NULL);
status_timer_start(c);
session_update_activity(s, NULL);
gettimeofday(&s->last_attached_time, NULL);
recalculate_sizes();
server_check_unattached();
server_redraw_client(c);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
alerts_check_session(s);
return (CMD_RETURN_NORMAL);
}
int
cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
const struct options_table_entry *table, *oe, *oe_loop;
struct session *s;
struct winlink *wl;
struct client *c;
struct options *oo;
struct jobs *jobs;
struct job *job, *nextjob;
u_int i;
int try_again;
/* Work out the options tree and table to use. */
if (cmd_check_flag(data->chflags, 's')) {
oo = &global_options;
table = server_options_table;
} else if (cmd_check_flag(data->chflags, 'w')) {
table = window_options_table;
if (cmd_check_flag(data->chflags, 'g'))
oo = &global_w_options;
else {
wl = cmd_find_window(ctx, data->target, NULL);
if (wl == NULL)
return (-1);
oo = &wl->window->options;
}
} else {
table = session_options_table;
if (cmd_check_flag(data->chflags, 'g'))
oo = &global_s_options;
else {
s = cmd_find_session(ctx, data->target);
if (s == NULL)
return (-1);
oo = &s->options;
}
}
/* Find the option table entry. */
oe = NULL;
for (oe_loop = table; oe_loop->name != NULL; oe_loop++) {
if (strncmp(oe_loop->name, data->arg, strlen(data->arg)) != 0)
continue;
if (oe != NULL) {
ctx->error(ctx, "ambiguous option: %s", data->arg);
return (-1);
}
oe = oe_loop;
/* Bail now if an exact match. */
if (strcmp(oe->name, data->arg) == 0)
break;
}
if (oe == NULL) {
ctx->error(ctx, "unknown option: %s", data->arg);
return (-1);
}
/* Unset or set the option. */
if (cmd_check_flag(data->chflags, 'u')) {
if (cmd_set_option_unset(self, ctx, oe, oo) != 0)
return (-1);
} else {
if (cmd_set_option_set(self, ctx, oe, oo) != 0)
return (-1);
}
/* Update sizes and redraw. May not need it but meh. */
recalculate_sizes();
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL && c->session != NULL)
server_redraw_client(c);
}
/*
* Special-case: kill all persistent jobs if status-left, status-right
* or set-titles-string have changed. Persistent jobs are only used by
* the status line at the moment so this works XXX.
*/
if (strcmp(oe->name, "status-left") == 0 ||
strcmp(oe->name, "status-right") == 0 ||
strcmp(oe->name, "status") == 0 ||
strcmp(oe->name, "set-titles-string") == 0 ||
strcmp(oe->name, "window-status-format") == 0) {
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
jobs = &c->status_jobs;
do {
try_again = 0;
job = RB_ROOT(jobs);
while (job != NULL) {
nextjob = RB_NEXT(jobs, jobs, job);
if (job->flags & JOB_PERSIST) {
job_remove(jobs, job);
try_again = 1;
break;
}
job = nextjob;
}
} while (try_again);
server_redraw_client(c);
}
}
return (0);
}
enum cmd_retval
cmd_attach_session(struct cmd_q *cmdq, const char* tflag, int dflag, int rflag)
{
struct session *s;
struct client *c;
const char *update;
char *cause;
u_int i;
if (RB_EMPTY(&sessions)) {
cmdq_error(cmdq, "no sessions");
return (CMD_RETURN_ERROR);
}
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
if (cmdq->client == NULL)
return (CMD_RETURN_NORMAL);
if (cmdq->client->session != NULL) {
if (dflag) {
/*
* Can't use server_write_session in case attaching to
* the same session as currently attached to.
*/
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session != s)
continue;
if (c == cmdq->client)
continue;
server_write_client(c, MSG_DETACH, NULL, 0);
}
}
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
server_redraw_client(cmdq->client);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
} else {
if (server_client_open(cmdq->client, s, &cause) != 0) {
cmdq_error(cmdq, "open terminal failed: %s", cause);
free(cause);
return (CMD_RETURN_ERROR);
}
if (rflag)
cmdq->client->flags |= CLIENT_READONLY;
if (dflag)
server_write_session(s, MSG_DETACH, NULL, 0);
update = options_get_string(&s->options, "update-environment");
environ_update(update, &cmdq->client->environ, &s->environ);
cmdq->client->session = s;
notify_attached_session_changed(cmdq->client);
session_update_activity(s);
server_redraw_client(cmdq->client);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
server_write_ready(cmdq->client);
cmdq->client_exit = 0;
}
recalculate_sizes();
server_update_socket();
return (CMD_RETURN_NORMAL);
}
enum cmd_retval
cmd_switch_client_exec(struct cmd *self, struct cmd_q *cmdq)
{
struct args *args = self->args;
struct client *c;
struct session *s = NULL;
struct winlink *wl = NULL;
struct window *w = NULL;
struct window_pane *wp = NULL;
const char *tflag;
if ((c = cmd_find_client(cmdq, args_get(args, 'c'), 0)) == NULL)
return (CMD_RETURN_ERROR);
if (args_has(args, 'r')) {
if (c->flags & CLIENT_READONLY) {
c->flags &= ~CLIENT_READONLY;
cmdq_info(cmdq, "made client writable");
} else {
c->flags |= CLIENT_READONLY;
cmdq_info(cmdq, "made client read-only");
}
}
tflag = args_get(args, 't');
if (args_has(args, 'n')) {
if ((s = session_next_session(c->session)) == NULL) {
cmdq_error(cmdq, "can't find next session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'p')) {
if ((s = session_previous_session(c->session)) == NULL) {
cmdq_error(cmdq, "can't find previous session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'l')) {
if (c->last_session != NULL && session_alive(c->last_session))
s = c->last_session;
if (s == NULL) {
cmdq_error(cmdq, "can't find last session");
return (CMD_RETURN_ERROR);
}
} else {
if (tflag == NULL) {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
} else if (tflag[strcspn(tflag, ":.")] != '\0') {
if ((wl = cmd_find_pane(cmdq, tflag, &s, &wp)) == NULL)
return (CMD_RETURN_ERROR);
} else {
if ((s = cmd_find_session(cmdq, tflag, 1)) == NULL)
return (CMD_RETURN_ERROR);
w = cmd_lookup_windowid(tflag);
if (w == NULL &&
(wp = cmd_lookup_paneid(tflag)) != NULL)
w = wp->window;
if (w != NULL)
wl = winlink_find_by_window(&s->windows, w);
}
if (cmdq->client == NULL)
return (CMD_RETURN_NORMAL);
if (wl != NULL) {
if (wp != NULL)
window_set_active_pane(wp->window, wp);
session_set_current(s, wl);
}
}
if (c->session != NULL)
c->last_session = c->session;
c->session = s;
session_update_activity(s);
recalculate_sizes();
server_check_unattached();
server_redraw_client(c);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
return (CMD_RETURN_NORMAL);
}
int
cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct args *args = self->args;
const struct options_table_entry *table, *oe;
struct session *s;
struct winlink *wl;
struct client *c;
struct options *oo;
const char *optstr, *valstr;
u_int i;
/* Get the option name and value. */
optstr = args->argv[0];
if (*optstr == '\0') {
ctx->error(ctx, "invalid option");
return (-1);
}
if (args->argc < 2)
valstr = NULL;
else
valstr = args->argv[1];
/* Find the option entry, try each table. */
table = oe = NULL;
if (options_table_find(optstr, &table, &oe) != 0) {
ctx->error(ctx, "ambiguous option: %s", optstr);
return (-1);
}
if (oe == NULL) {
ctx->error(ctx, "unknown option: %s", optstr);
return (-1);
}
/* Work out the tree from the table. */
if (table == server_options_table)
oo = &global_options;
else if (table == window_options_table) {
if (args_has(self->args, 'g'))
oo = &global_w_options;
else {
wl = cmd_find_window(ctx, args_get(args, 't'), NULL);
if (wl == NULL)
return (-1);
oo = &wl->window->options;
}
} else if (table == session_options_table) {
if (args_has(self->args, 'g'))
oo = &global_s_options;
else {
s = cmd_find_session(ctx, args_get(args, 't'), 0);
if (s == NULL)
return (-1);
oo = &s->options;
}
} else {
ctx->error(ctx, "unknown table");
return (-1);
}
/* Unset or set the option. */
if (args_has(args, 'u')) {
if (cmd_set_option_unset(self, ctx, oe, oo, valstr) != 0)
return (-1);
} else {
if (cmd_set_option_set(self, ctx, oe, oo, valstr) != 0)
return (-1);
}
/* Update sizes and redraw. May not need it but meh. */
recalculate_sizes();
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL && c->session != NULL)
server_redraw_client(c);
}
return (0);
}
int
cmd_set_option_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
const struct set_option_entry *table;
struct session *s;
struct winlink *wl;
struct client *c;
struct options *oo;
const struct set_option_entry *entry, *opt;
struct jobs *jobs;
struct job *job, *nextjob;
u_int i;
int try_again;
if (cmd_check_flag(data->chflags, 's')) {
oo = &global_options;
table = set_option_table;
} else if (cmd_check_flag(data->chflags, 'w')) {
table = set_window_option_table;
if (cmd_check_flag(data->chflags, 'g'))
oo = &global_w_options;
else {
wl = cmd_find_window(ctx, data->target, NULL);
if (wl == NULL)
return (-1);
oo = &wl->window->options;
}
} else {
table = set_session_option_table;
if (cmd_check_flag(data->chflags, 'g'))
oo = &global_s_options;
else {
s = cmd_find_session(ctx, data->target);
if (s == NULL)
return (-1);
oo = &s->options;
}
}
if (*data->arg == '\0') {
ctx->error(ctx, "invalid option");
return (-1);
}
entry = NULL;
for (opt = table; opt->name != NULL; opt++) {
if (strncmp(opt->name, data->arg, strlen(data->arg)) != 0)
continue;
if (entry != NULL) {
ctx->error(ctx, "ambiguous option: %s", data->arg);
return (-1);
}
entry = opt;
/* Bail now if an exact match. */
if (strcmp(entry->name, data->arg) == 0)
break;
}
if (entry == NULL) {
ctx->error(ctx, "unknown option: %s", data->arg);
return (-1);
}
if (cmd_check_flag(data->chflags, 'u')) {
if (cmd_check_flag(data->chflags, 'g')) {
ctx->error(ctx,
"can't unset global option: %s", entry->name);
return (-1);
}
if (data->arg2 != NULL) {
ctx->error(ctx,
"value passed to unset option: %s", entry->name);
return (-1);
}
options_remove(oo, entry->name);
ctx->info(ctx, "unset option: %s", entry->name);
} else {
switch (entry->type) {
case SET_OPTION_STRING:
cmd_set_option_string(ctx, oo, entry,
data->arg2, cmd_check_flag(data->chflags, 'a'));
break;
case SET_OPTION_NUMBER:
cmd_set_option_number(ctx, oo, entry, data->arg2);
break;
case SET_OPTION_KEYS:
cmd_set_option_keys(ctx, oo, entry, data->arg2);
break;
case SET_OPTION_COLOUR:
cmd_set_option_colour(ctx, oo, entry, data->arg2);
break;
case SET_OPTION_ATTRIBUTES:
cmd_set_option_attributes(ctx, oo, entry, data->arg2);
break;
case SET_OPTION_FLAG:
cmd_set_option_flag(ctx, oo, entry, data->arg2);
break;
case SET_OPTION_CHOICE:
cmd_set_option_choice(ctx, oo, entry, data->arg2);
break;
}
}
recalculate_sizes();
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c != NULL && c->session != NULL)
server_redraw_client(c);
}
/*
* Special-case: kill all persistent jobs if status-left, status-right
* or set-titles-string have changed. Persistent jobs are only used by
* the status line at the moment so this works XXX.
*/
if (strcmp(entry->name, "status-left") == 0 ||
strcmp(entry->name, "status-right") == 0 ||
strcmp(entry->name, "status") == 0 ||
strcmp(entry->name, "set-titles-string") == 0 ||
strcmp(entry->name, "window-status-format") == 0) {
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session == NULL)
continue;
jobs = &c->status_jobs;
do {
try_again = 0;
job = RB_ROOT(jobs);
while (job != NULL) {
nextjob = RB_NEXT(jobs, jobs, job);
if (job->flags & JOB_PERSIST) {
job_remove(jobs, job);
try_again = 1;
break;
}
job = nextjob;
}
} while (try_again);
server_redraw_client(c);
}
}
return (0);
}
static enum cmd_retval
cmd_switch_client_exec(struct cmd *self, struct cmdq_item *item)
{
struct args *args = self->args;
const char *tflag = args_get(args, 't');
enum cmd_find_type type;
int flags;
struct client *c;
struct session *s;
struct winlink *wl;
struct window_pane *wp;
const char *tablename;
struct key_table *table;
if ((c = cmd_find_client(item, args_get(args, 'c'), 0)) == NULL)
return (CMD_RETURN_ERROR);
if (tflag != NULL && tflag[strcspn(tflag, ":.")] != '\0') {
type = CMD_FIND_PANE;
flags = 0;
} else {
type = CMD_FIND_SESSION;
flags = CMD_FIND_PREFER_UNATTACHED;
}
if (cmd_find_target(&item->target, item, tflag, type, flags) != 0)
return (CMD_RETURN_ERROR);
s = item->target.s;
wl = item->target.wl;
wp = item->target.wp;
if (args_has(args, 'r'))
c->flags ^= CLIENT_READONLY;
tablename = args_get(args, 'T');
if (tablename != NULL) {
table = key_bindings_get_table(tablename, 0);
if (table == NULL) {
cmdq_error(item, "table %s doesn't exist", tablename);
return (CMD_RETURN_ERROR);
}
table->references++;
key_bindings_unref_table(c->keytable);
c->keytable = table;
return (CMD_RETURN_NORMAL);
}
if (args_has(args, 'n')) {
if ((s = session_next_session(c->session)) == NULL) {
cmdq_error(item, "can't find next session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'p')) {
if ((s = session_previous_session(c->session)) == NULL) {
cmdq_error(item, "can't find previous session");
return (CMD_RETURN_ERROR);
}
} else if (args_has(args, 'l')) {
if (c->last_session != NULL && session_alive(c->last_session))
s = c->last_session;
else
s = NULL;
if (s == NULL) {
cmdq_error(item, "can't find last session");
return (CMD_RETURN_ERROR);
}
} else {
if (item->client == NULL)
return (CMD_RETURN_NORMAL);
if (wl != NULL) {
if (wp != NULL)
window_set_active_pane(wp->window, wp);
session_set_current(s, wl);
cmd_find_from_session(&item->shared->current, s, 0);
}
}
if (!args_has(args, 'E'))
environ_update(s->options, c->environ, s->environ);
if (c->session != NULL && c->session != s)
c->last_session = c->session;
c->session = s;
if (~item->shared->flags & CMDQ_SHARED_REPEAT)
server_client_set_key_table(c, NULL);
tty_update_client_offset(c);
status_timer_start(c);
notify_client("client-session-changed", c);
session_update_activity(s, NULL);
gettimeofday(&s->last_attached_time, NULL);
recalculate_sizes();
server_check_unattached();
server_redraw_client(c);
s->curw->flags &= ~WINLINK_ALERTFLAGS;
alerts_check_session(s);
return (CMD_RETURN_NORMAL);
}
int
cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx)
{
struct cmd_target_data *data = self->data;
struct session *s;
struct client *c;
const char *update;
char *overrides, *cause;
u_int i;
if (ARRAY_LENGTH(&sessions) == 0) {
ctx->error(ctx, "no sessions");
return (-1);
}
if ((s = cmd_find_session(ctx, data->target)) == NULL)
return (-1);
if (ctx->cmdclient == NULL && ctx->curclient == NULL)
return (0);
if (ctx->cmdclient == NULL) {
if (cmd_check_flag(data->chflags, 'd')) {
/*
* Can't use server_write_session in case attaching to
* the same session as currently attached to.
*/
for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
c = ARRAY_ITEM(&clients, i);
if (c == NULL || c->session != s)
continue;
if (c == ctx->curclient)
continue;
server_write_client(c, MSG_DETACH, NULL, 0);
}
}
ctx->curclient->session = s;
server_redraw_client(ctx->curclient);
} else {
if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
ctx->error(ctx, "not a terminal");
return (-1);
}
overrides =
options_get_string(&s->options, "terminal-overrides");
if (tty_open(&ctx->cmdclient->tty, overrides, &cause) != 0) {
ctx->error(ctx, "terminal open failed: %s", cause);
xfree(cause);
return (-1);
}
if (cmd_check_flag(data->chflags, 'r'))
ctx->cmdclient->flags |= CLIENT_READONLY;
if (cmd_check_flag(data->chflags, 'd'))
server_write_session(s, MSG_DETACH, NULL, 0);
ctx->cmdclient->session = s;
server_write_client(ctx->cmdclient, MSG_READY, NULL, 0);
update = options_get_string(&s->options, "update-environment");
environ_update(update, &ctx->cmdclient->environ, &s->environ);
server_redraw_client(ctx->cmdclient);
}
recalculate_sizes();
server_update_socket();
return (1); /* 1 means don't tell command client to exit */
}
