/* $OpenBSD: cmd-attach-session.c,v 1.89 2022/07/06 08:40:52 nicm Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott * * 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 #include #include #include #include #include #include "tmux.h" /* * Attach existing session to the current terminal. */ static enum cmd_retval cmd_attach_session_exec(struct cmd *, struct cmdq_item *); const struct cmd_entry cmd_attach_session_entry = { .name = "attach-session", .alias = "attach", .args = { "c:dEf:rt:x", 0, 0, NULL }, .usage = "[-dErx] [-c working-directory] [-f flags] " CMD_TARGET_SESSION_USAGE, /* -t is special */ .flags = CMD_STARTSERVER|CMD_READONLY, .exec = cmd_attach_session_exec }; enum cmd_retval cmd_attach_session(struct cmdq_item *item, const char *tflag, int dflag, int xflag, int rflag, const char *cflag, int Eflag, const char *fflag) { struct cmd_find_state *current = cmdq_get_current(item); struct cmd_find_state target; enum cmd_find_type type; int flags; struct client *c = cmdq_get_client(item), *c_loop; struct session *s; struct winlink *wl; struct window_pane *wp; char *cwd, *cause; enum msgtype msgtype; if (RB_EMPTY(&sessions)) { cmdq_error(item, "no sessions"); return (CMD_RETURN_ERROR); } if (c == NULL) return (CMD_RETURN_NORMAL); if (server_client_check_nested(c)) { cmdq_error(item, "sessions should be nested with care, " "unset $TMUX to force"); 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(&target, item, tflag, type, flags) != 0) return (CMD_RETURN_ERROR); s = target.s; wl = target.wl; wp = target.wp; if (wl != NULL) { if (wp != NULL) window_set_active_pane(wp->window, wp, 1); session_set_current(s, wl); if (wp != NULL) cmd_find_from_winlink_pane(current, wl, wp, 0); else cmd_find_from_winlink(current, wl, 0); } if (cflag != NULL) { cwd = format_single(item, cflag, c, s, wl, wp); free((void *)s->cwd); s->cwd = cwd; } if (fflag) server_client_set_flags(c, fflag); if (rflag) c->flags |= (CLIENT_READONLY|CLIENT_IGNORESIZE); c->last_session = c->session; if (c->session != NULL) { if (dflag || xflag) { if (xflag) msgtype = MSG_DETACHKILL; else msgtype = MSG_DETACH; TAILQ_FOREACH(c_loop, &clients, entry) { if (c_loop->session != s || c == c_loop) continue; server_client_detach(c_loop, msgtype); } } if (!Eflag) environ_update(s->options, c->environ, s->environ); server_client_set_session(c, s); if (~cmdq_get_flags(item) & CMDQ_STATE_REPEAT) server_client_set_key_table(c, NULL); } else { if (server_client_open(c, &cause) != 0) { cmdq_error(item, "open terminal failed: %s", cause); free(cause); return (CMD_RETURN_ERROR); } if (dflag || xflag) { if (xflag) msgtype = MSG_DETACHKILL; else msgtype = MSG_DETACH; TAILQ_FOREACH(c_loop, &clients, entry) { if (c_loop->session != s || c == c_loop) continue; server_client_detach(c_loop, msgtype); } } if (!Eflag) environ_update(s->options, c->environ, s->environ); server_client_set_session(c, s); server_client_set_key_table(c, NULL); if (~c->flags & CLIENT_CONTROL) proc_send(c->peer, MSG_READY, -1, NULL, 0); notify_client("client-attached", c); c->flags |= CLIENT_ATTACHED; } if (cfg_finished) cfg_show_causes(s); return (CMD_RETURN_NORMAL); } static enum cmd_retval cmd_attach_session_exec(struct cmd *self, struct cmdq_item *item) { struct args *args = cmd_get_args(self); return (cmd_attach_session(item, args_get(args, 't'), args_has(args, 'd'), args_has(args, 'x'), args_has(args, 'r'), args_get(args, 'c'), args_has(args, 'E'), args_get(args, 'f'))); }