projects / dragonfly.git / blame
| Commit | Line | Data |
|---|---|---|
| 984263bc MD |
1 | /* |
| 2 | * Copyright (c) 1988, 1993 | |
| 3 | * The Regents of the University of California. All rights reserved. | |
| 4 | * | |
| 5 | * Redistribution and use in source and binary forms, with or without | |
| 6 | * modification, are permitted provided that the following conditions | |
| 7 | * are met: | |
| 8 | * 1. Redistributions of source code must retain the above copyright | |
| 9 | * notice, this list of conditions and the following disclaimer. | |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright | |
| 11 | * notice, this list of conditions and the following disclaimer in the | |
| 12 | * documentation and/or other materials provided with the distribution. | |
| 13 | * 3. All advertising materials mentioning features or use of this software | |
| 14 | * must display the following acknowledgement: | |
| 15 | * This product includes software developed by the University of | |
| 16 | * California, Berkeley and its contributors. | |
| 17 | * 4. Neither the name of the University nor the names of its contributors | |
| 18 | * may be used to endorse or promote products derived from this software | |
| 19 | * without specific prior written permission. | |
| 20 | * | |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
| 22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
| 25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 31 | * SUCH DAMAGE. | |
| 1de703da MD |
32 | * |
| 33 | * @(#)logwtmp.c 8.1 (Berkeley) 6/4/93 | |
| 34 | * $FreeBSD: src/libexec/ftpd/logwtmp.c,v 1.9.2.2 2002/08/08 12:24:54 yar Exp $ | |
| 984263bc MD |
35 | */ |
| 36 | ||
| 984263bc MD |
37 | #include <sys/types.h> |
| 38 | #include <sys/stat.h> | |
| 39 | #include <netinet/in.h> | |
| 40 | #include <arpa/inet.h> | |
| 41 | #include <sys/socket.h> | |
| 42 | ||
| 43 | #include <fcntl.h> | |
| 44 | #include <time.h> | |
| 45 | #include <netdb.h> | |
| 46 | #include <utmp.h> | |
| 47 | #include <unistd.h> | |
| 48 | #include <stdio.h> | |
| 49 | #include <string.h> | |
| 50 | #include <libutil.h> | |
| 51 | #include "extern.h" | |
| 52 | ||
| 53 | static int fd = -1; | |
| 54 | ||
| 55 | /* | |
| 56 | * Modified version of logwtmp that holds wtmp file open | |
| 57 | * after first call, for use with ftp (which may chroot | |
| 58 | * after login, but before logout). | |
| 59 | */ | |
| 60 | void | |
| 89a89091 | 61 | ftpd_logwtmp(char *line, char *name, struct sockaddr *addr) |
| 984263bc MD |
62 | { |
| 63 | struct utmp ut; | |
| 64 | struct stat buf; | |
| 65 | char host[UT_HOSTSIZE]; | |
| 66 | ||
| 67 | if (addr == NULL) | |
| 68 | host[0] = '\0'; | |
| 69 | else | |
| 70 | realhostname_sa(host, sizeof(host), addr, addr->sa_len); | |
| 71 | ||
| 72 | if (fd < 0 && (fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) < 0) | |
| 73 | return; | |
| 74 | if (fstat(fd, &buf) == 0) { | |
| 75 | (void)strncpy(ut.ut_line, line, sizeof(ut.ut_line)); | |
| 76 | (void)strncpy(ut.ut_name, name, sizeof(ut.ut_name)); | |
| 77 | (void)strncpy(ut.ut_host, host, sizeof(ut.ut_host)); | |
| 78 | (void)time(&ut.ut_time); | |
| 79 | if (write(fd, &ut, sizeof(struct utmp)) != | |
| 80 | sizeof(struct utmp)) | |
| 81 | (void)ftruncate(fd, buf.st_size); | |
| 82 | } | |
| 83 | } |