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- /* 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.
- *
- */
-
- #ifndef lint
- static char sccsid[] = "@(#)logwtmp.c 5.7 (Berkeley) 2/25/91";
-
- #endif /* not lint */
-
- #ifndef AMIGA
- #include "config.h"
-
- #include <sys/types.h>
- #include <sys/time.h>
- #include <sys/stat.h>
- #include <fcntl.h>
- #include <utmp.h>
- #include <string.h>
- #ifdef SYSSYSLOG
- #include <sys/syslog.h>
- #else
- #include <syslog.h>
- #endif
-
- #include "pathnames.h"
-
- static int fd = -1;
- #endif
-
- /* Modified version of logwtmp that holds wtmp file open after first call,
- * for use with ftp (which may chroot after login, but before logout). */
-
- logwtmp(char *line, char *name, char *host)
- {
- #ifndef AMIGA
- struct utmp ut;
- struct stat buf;
- time_t time(time_t *);
- char *strncpy(char *, const char *, size_t);
-
- if (fd < 0 && (fd = open(_PATH_WTMP, O_WRONLY | O_APPEND, 0)) < 0) {
- syslog(LOG_ERR, "wtmp %s %m", _PATH_WTMP);
- return;
- }
- if (fstat(fd, &buf) == 0) {
- #ifdef UTMAXTYPE
- memset((void *)&ut, 0, sizeof(ut));
- (void) strncpy(ut.ut_user, name, sizeof(ut.ut_user));
- (void) strncpy(ut.ut_id, "ftp", sizeof(ut.ut_id));
- (void) strncpy(ut.ut_line, line, sizeof(ut.ut_line));
- ut.ut_pid = getpid();
- if (name && *name)
- ut.ut_type = USER_PROCESS;
- else
- ut.ut_type = DEAD_PROCESS;
- ut.ut_exit.e_termination = 0;
- ut.ut_exit.e_exit = 0;
- #else
- (void) strncpy(ut.ut_line, line, sizeof(ut.ut_line));
- (void) strncpy(ut.ut_name, name, sizeof(ut.ut_name));
- #endif /* UTMAXTYPE */
-
- #ifdef HAVE_UT_UT_HOST /* does not have host in utmp */
- (void) strncpy(ut.ut_host, host, sizeof(ut.ut_host));
- #endif
-
- (void) time(&ut.ut_time);
- if (write(fd, (char *) &ut, sizeof(struct utmp)) !=
- sizeof(struct utmp))
- (void) ftruncate(fd, buf.st_size);
- }
- #endif
- }
-