eda6f5931d
We have to use SOCK_SEQPACKET instead of SOCK_STREAM for client/server communication, because UDS does things with control messages that tmux does not expect. Change-Id: I3edb1875d61fb976cf6485c650f4fd4b82fa354c
167 lines
4.7 KiB
C
167 lines
4.7 KiB
C
/* $NetBSD: utmp.c,v 1.1 2011/09/17 01:50:08 christos Exp $ */
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/*-
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* Copyright (c) 2011 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Christos Zoulas.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__RCSID("$NetBSD: utmp.c,v 1.1 2011/09/17 01:50:08 christos Exp $");
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#include <sys/types.h>
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#include <sys/param.h>
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#include <syslog.h>
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#include <string.h>
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#include <time.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <util.h>
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#include <paths.h>
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#ifdef SUPPORT_UTMP
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#include <utmp.h>
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#endif
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#ifdef SUPPORT_UTMPX
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#include <utmpx.h>
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#endif
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#include "tmux.h"
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struct window_utmp {
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#ifdef SUPPORT_UTMP
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struct utmp ut;
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#endif
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#ifdef SUPPORT_UTMPX
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struct utmpx utx;
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#endif
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};
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#ifdef SUPPORT_UTMPX
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static void
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login_utmpx(struct utmpx *utmpx, const char *username, const char *hostname,
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const char *tty, const struct timeval *now)
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{
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const char *t;
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(void)memset(utmpx, 0, sizeof(*utmpx));
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utmpx->ut_tv = *now;
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(void)strncpy(utmpx->ut_name, username, sizeof(utmpx->ut_name));
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if (hostname)
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(void)strncpy(utmpx->ut_host, hostname, sizeof(utmpx->ut_host));
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(void)strncpy(utmpx->ut_line, tty, sizeof(utmpx->ut_line));
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utmpx->ut_type = USER_PROCESS;
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utmpx->ut_pid = getpid();
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t = tty + strlen(tty);
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if ((size_t)(t - tty) >= sizeof(utmpx->ut_id)) {
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(void)strncpy(utmpx->ut_id, t - sizeof(utmpx->ut_id),
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sizeof(utmpx->ut_id));
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} else {
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(void)strncpy(utmpx->ut_id, tty, sizeof(utmpx->ut_id));
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}
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(void)pututxline(utmpx);
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endutxent();
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}
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static void
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logout_utmpx(struct utmpx *utmpx, const struct timeval *now)
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{
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utmpx->ut_type = DEAD_PROCESS;
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utmpx->ut_tv = *now;
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utmpx->ut_pid = 0;
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(void)pututxline(utmpx);
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endutxent();
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}
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#endif
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#ifdef SUPPORT_UTMP
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static void
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login_utmp(struct utmp *utmp, const char *username, const char *hostname,
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const char *tty, const struct timeval *now)
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{
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(void)memset(utmp, 0, sizeof(*utmp));
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utmp->ut_time = now->tv_sec;
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(void)strncpy(utmp->ut_name, username, sizeof(utmp->ut_name));
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if (hostname)
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(void)strncpy(utmp->ut_host, hostname, sizeof(utmp->ut_host));
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(void)strncpy(utmp->ut_line, tty, sizeof(utmp->ut_line));
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login(utmp);
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}
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static void
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logout_utmp(struct utmp *utmp, const struct timeval *now)
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{
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logout(utmp->ut_line);
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}
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#endif
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struct window_utmp *
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utmp_create(const char *tty)
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{
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struct window_utmp *wu;
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struct timeval tv;
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char username[LOGIN_NAME_MAX];
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if (getlogin_r(username, sizeof(username)) == -1)
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return NULL;
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if ((wu = malloc(sizeof(*wu))) == NULL)
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return NULL;
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tty += sizeof(_PATH_DEV) - 1;
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(void)gettimeofday(&tv, NULL);
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#ifdef SUPPORT_UTMPX
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login_utmpx(&wu->utx, username, "tmux", tty, &tv);
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#endif
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#ifdef SUPPORT_UTMP
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login_utmp(&wu->ut, username, "tmux", tty, &tv);
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#endif
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return wu;
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}
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void
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utmp_destroy(struct window_utmp *wu)
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{
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struct timeval tv;
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if (wu == NULL)
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return;
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(void)gettimeofday(&tv, NULL);
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#ifdef SUPPORT_UTMPX
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logout_utmpx(&wu->utx, &tv);
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#endif
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#ifdef SUPPORT_UTMP
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logout_utmp(&wu->ut, &tv);
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#endif
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}
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