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Diffstat (limited to 'contrib/opie/libopie/logwtmp.c')
-rw-r--r-- | contrib/opie/libopie/logwtmp.c | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/contrib/opie/libopie/logwtmp.c b/contrib/opie/libopie/logwtmp.c new file mode 100644 index 0000000..efc1def --- /dev/null +++ b/contrib/opie/libopie/logwtmp.c @@ -0,0 +1,170 @@ +/* logwtmp.c: Put an entry in the wtmp file. + +%%% portions-copyright-cmetz-96 +Portions of this software are Copyright 1996-1997 by Craig Metz, All Rights +Reserved. The Inner Net License Version 2 applies to these portions of +the software. +You should have received a copy of the license with this software. If +you didn't get a copy, you may request one from <license@inner.net>. + +Portions of this software are Copyright 1995 by Randall Atkinson and Dan +McDonald, All Rights Reserved. All Rights under this copyright are assigned +to the U.S. Naval Research Laboratory (NRL). The NRL Copyright Notice and +License Agreement applies to this software. + + History: + + Modified by cmetz for OPIE 2.31. Move wtmp log functions here, to + improve portability. Added DISABLE_WTMP. + Modified by cmetz for OPIE 2.22. Call gettimeofday() properly. + Modified by cmetz for OPIE 2.2. Use FUNCTION declaration et al. + Ifdef around some headers. Added file close hook. + Modified at NRL for OPIE 2.1. Set process type for HPUX. + Modified at NRL for OPIE 2.0. + Originally from BSD. +*/ +/* + * Copyright (c) 1988 The Regents of the University of California. + * 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. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by the University of + * California, Berkeley and its contributors. + * 4. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 "opie_cfg.h" + +#include <sys/types.h> +#if HAVE_SYS_TIME_H +#include <sys/time.h> +#endif /* HAVE_SYS_TIME_H */ +#include <sys/stat.h> +#include <fcntl.h> +#include <utmp.h> +#if HAVE_UNISTD_H +#include <unistd.h> +#endif /* HAVE_UNISTD_H */ +#if HAVE_STRING_H +#include <string.h> +#endif /* HAVE_STRING_H */ + +#include "opie.h" + +static int fd = -1; + +#if DOUTMPX +static int fdx = -1; +#include <utmpx.h> +#endif /* DOUTMPX */ + +#ifndef _PATH_WTMP +#ifdef WTMP_FILE +#define _PATH_WTMP WTMP_FILE +#else /* WTMP_FILE */ +#ifdef PATH_WTMP_AC +#define _PATH_WTMP PATH_WTMP_AC +#endif /* PATH_WTMP_AC */ +#endif /* WTMP_FILE */ +#endif /* _PATH_WTMP */ + +#ifndef _PATH_WTMPX +#ifdef WTMPX_FILE +#define _PATH_WTMPX WTMPX_FILE +#else /* WTMPX_FILE */ +#ifdef PATH_WTMPX_AC +#define _PATH_WTMPX PATH_WTMPX_AC +#endif /* PATH_WTMPX_AC */ +#endif /* WTMPX_FILE */ +#endif /* _PATH_WTMPX */ + +/* + * Modified version of logwtmp that holds wtmp file open + * after first call, for use with ftp (which may chroot + * after login, but before logout). + */ +VOIDRET opielogwtmp FUNCTION((line, name, host), char *line AND char *name AND char *host) +{ +#if !DISABLE_WTMP + struct utmp ut; + +#if DOUTMPX && defined(_PATH_WTMPX) + struct utmpx utx; +#endif /* DOUTMPX && defined(_PATH_WTMPX) */ + struct stat buf; + + memset(&ut, 0, sizeof(struct utmp)); + + if (!line) { + close(fd); +#if DOUTMPX && defined(_PATH_WTMPX) + close(fdx); +#endif /* DOUTMPX && defined(_PATH_WTMPX) */ + } + + if (fd < 0 && (fd = open(_PATH_WTMP, O_WRONLY | O_APPEND, 0)) < 0) + return; + if (fstat(fd, &buf) == 0) { +#if HAVE_UT_TYPE && defined(USER_PROCESS) + ut.ut_type = USER_PROCESS; +#endif /* HAVE_UT_TYPE && defined(USER_PROCESS) */ +#if HAVE_UT_PID + ut.ut_pid = getpid(); +#endif /* HAVE_UT_PID */ + strncpy(ut.ut_line, line, sizeof(ut.ut_line)); + strncpy(ut.ut_name, name, sizeof(ut.ut_name)); +#if !DOUTMPX + strncpy(ut.ut_host, host, sizeof(ut.ut_host)); +#endif /* !DOUTMPX */ + time(&ut.ut_time); + if (write(fd, (char *) &ut, sizeof(struct utmp)) != + sizeof(struct utmp)) + ftruncate(fd, buf.st_size); + } + +#if DOUTMPX && defined(_PATH_WTMPX) + memset(&utx, 0, sizeof(struct utmpx)); + + if (fdx < 0 && (fdx = open(_PATH_WTMPX, O_WRONLY | O_APPEND, 0)) < 0) + return; + if (fstat(fdx, &buf) == 0) { + strncpy(utx.ut_line, line, sizeof(utx.ut_line)); + strncpy(utx.ut_name, name, sizeof(utx.ut_name)); + strncpy(utx.ut_host, host, sizeof(utx.ut_host)); +#if HAVE_GETTIMEOFDAY +#if HAVE_ONE_ARG_GETTIMEOFDAY + gettimeofday(&utx.ut_tv); +#else /* HAVE_ONE_ARG_GETTIMEOFDAY */ + gettimeofday(&utx.ut_tv, NULL); +#endif /* HAVE_ONE_ARG_GETTIMEOFDAY */ +#endif /* HAVE_GETTIMEOFDAY */ + if (write(fdx, (char *) &utx, sizeof(struct utmpx)) != sizeof(struct utmpx)) + ftruncate(fdx, buf.st_size); + } +#endif /* DOUTMPX && defined(_PATH_WTMPX) */ +#endif /* !DISABLE_WTMP */ +} |