1 /* $OpenBSD: cmd-detach-client.c,v 1.30 2017/01/13 10:12:12 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com> 5 * 6 * Permission to use, copy, modify, and distribute this software for any 7 * purpose with or without fee is hereby granted, provided that the above 8 * copyright notice and this permission notice appear in all copies. 9 * 10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 14 * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER 15 * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING 16 * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 17 */ 18 19 #include <sys/types.h> 20 21 #include <string.h> 22 23 #include "tmux.h" 24 25 /* 26 * Detach a client. 27 */ 28 29 static enum cmd_retval cmd_detach_client_exec(struct cmd *, 30 struct cmdq_item *); 31 32 const struct cmd_entry cmd_detach_client_entry = { 33 .name = "detach-client", 34 .alias = "detach", 35 36 .args = { "aE:s:t:P", 0, 0 }, 37 .usage = "[-aP] [-E shell-command] " 38 "[-s target-session] " CMD_TARGET_CLIENT_USAGE, 39 40 .sflag = CMD_SESSION, 41 .tflag = CMD_CLIENT, 42 43 .flags = CMD_READONLY, 44 .exec = cmd_detach_client_exec 45 }; 46 47 const struct cmd_entry cmd_suspend_client_entry = { 48 .name = "suspend-client", 49 .alias = "suspendc", 50 51 .args = { "t:", 0, 0 }, 52 .usage = CMD_TARGET_CLIENT_USAGE, 53 54 .tflag = CMD_CLIENT, 55 56 .flags = 0, 57 .exec = cmd_detach_client_exec 58 }; 59 60 static enum cmd_retval 61 cmd_detach_client_exec(struct cmd *self, struct cmdq_item *item) 62 { 63 struct args *args = self->args; 64 struct client *c = item->state.c, *cloop; 65 struct session *s; 66 enum msgtype msgtype; 67 const char *cmd = args_get(args, 'E'); 68 69 if (self->entry == &cmd_suspend_client_entry) { 70 tty_stop_tty(&c->tty); 71 c->flags |= CLIENT_SUSPENDED; 72 proc_send(c->peer, MSG_SUSPEND, -1, NULL, 0); 73 return (CMD_RETURN_NORMAL); 74 } 75 76 if (args_has(args, 'P')) 77 msgtype = MSG_DETACHKILL; 78 else 79 msgtype = MSG_DETACH; 80 81 if (args_has(args, 's')) { 82 s = item->state.sflag.s; 83 TAILQ_FOREACH(cloop, &clients, entry) { 84 if (cloop->session == s) { 85 if (cmd != NULL) 86 server_client_exec(cloop, cmd); 87 else 88 server_client_detach(cloop, msgtype); 89 } 90 } 91 return (CMD_RETURN_STOP); 92 } 93 94 if (args_has(args, 'a')) { 95 TAILQ_FOREACH(cloop, &clients, entry) { 96 if (cloop->session != NULL && cloop != c) { 97 if (cmd != NULL) 98 server_client_exec(cloop, cmd); 99 else 100 server_client_detach(cloop, msgtype); 101 } 102 } 103 return (CMD_RETURN_NORMAL); 104 } 105 106 if (cmd != NULL) 107 server_client_exec(c, cmd); 108 else 109 server_client_detach(c, msgtype); 110 return (CMD_RETURN_STOP); 111 } 112