Current Path : /usr/src/lib/libulog/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //usr/src/lib/libulog/ulog_login.c |
/*- * Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #include <sys/cdefs.h> __FBSDID("$FreeBSD: release/9.1.0/lib/libulog/ulog_login.c 202215 2010-01-13 18:53:06Z ed $"); #include <sys/param.h> #include <sys/time.h> #include <paths.h> #include <sha.h> #include <string.h> #include <unistd.h> #include <utmpx.h> #include "ulog.h" static void ulog_fill(struct utmpx *utx, const char *line) { SHA_CTX c; char id[SHA_DIGEST_LENGTH]; /* Remove /dev/ component. */ if (strncmp(line, _PATH_DEV, sizeof _PATH_DEV - 1) == 0) line += sizeof _PATH_DEV - 1; memset(utx, 0, sizeof *utx); utx->ut_pid = getpid(); gettimeofday(&utx->ut_tv, NULL); strncpy(utx->ut_line, line, sizeof utx->ut_line); SHA1_Init(&c); SHA1_Update(&c, "libulog", 7); SHA1_Update(&c, utx->ut_line, sizeof utx->ut_line); SHA_Final(id, &c); memcpy(utx->ut_id, id, MIN(sizeof utx->ut_id, sizeof id)); } void ulog_login(const char *line, const char *user, const char *host) { struct utmpx utx; ulog_fill(&utx, line); utx.ut_type = USER_PROCESS; strncpy(utx.ut_user, user, sizeof utx.ut_user); if (host != NULL) strncpy(utx.ut_host, host, sizeof utx.ut_host); pututxline(&utx); } void ulog_logout(const char *line) { struct utmpx utx; ulog_fill(&utx, line); utx.ut_type = DEAD_PROCESS; pututxline(&utx); }