1/*
2 * Copyright (c) 1995 - 2000 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
32 */
33
34#ifdef HAVE_CONFIG_H
35#include <config.h>
36RCSID("$Id$");
37#endif
38
39#include <stdio.h>
40#include <string.h>
41#ifdef TIME_WITH_SYS_TIME
42#include <sys/time.h>
43#include <time.h>
44#elif defined(HAVE_SYS_TIME_H)
45#include <sys/time.h>
46#else
47#include <time.h>
48#endif
49#ifdef HAVE_UNISTD_H
50#include <unistd.h>
51#endif
52#ifdef HAVE_FCNTL_H
53#include <fcntl.h>
54#endif
55#ifdef HAVE_UTMP_H
56#include <utmp.h>
57#endif
58#ifdef HAVE_UTMPX_H
59#include <utmpx.h>
60#endif
61#ifdef HAVE_ASL_H
62#include <asl.h>
63#endif
64#include <roken.h>
65#include "extern.h"
66
67#ifndef HAVE_UTMPX_H
68#ifndef WTMP_FILE
69#ifdef _PATH_WTMP
70#define WTMP_FILE _PATH_WTMP
71#else
72#define WTMP_FILE "/var/adm/wtmp"
73#endif
74#endif
75#endif
76
77#ifdef HAVE_ASL_H
78
79#ifndef ASL_KEY_FACILITY
80#define ASL_KEY_FACILITY "Facility"
81#endif
82
83static void
84ftpd_logwtmp_asl(char *line, char *name, char *host)
85{
86    static aslmsg m = NULL;
87    static int init = 0;
88
89    if (!init) {
90	init = 1;
91	m = asl_new(ASL_TYPE_MSG);
92	if (m == NULL)
93	    return;
94	asl_set(m, ASL_KEY_FACILITY, "org.h5l.ftpd");
95    }
96    if (m)
97	asl_log(NULL, m, ASL_LEVEL_NOTICE,
98		"host %s/%s user %s%sconnected pid %d",
99		host, line, name, name[0] ? " " : "dis", (int)getpid());
100}
101
102#endif
103
104#ifndef HAVE_ASL_H
105
106static void
107ftpd_logwtmp_wtmp(char *line, char *name, char *host)
108{
109    static int init = 0;
110    static int fd;
111#ifdef WTMPX_FILE
112    static int fdx;
113#endif
114#ifdef HAVE_UTMP_H
115    struct utmp ut;
116#endif
117#if defined(WTMPX_FILE) || defined(HAVE_UTMPX_H)
118    struct utmpx utx;
119#endif
120
121#ifdef HAVE_UTMPX_H
122    memset(&utx, 0, sizeof(struct utmpx));
123#endif
124#ifdef HAVE_UTMP_H
125    memset(&ut, 0, sizeof(struct utmp));
126#ifdef HAVE_STRUCT_UTMP_UT_TYPE
127    if(name[0])
128	ut.ut_type = USER_PROCESS;
129    else
130	ut.ut_type = DEAD_PROCESS;
131#endif
132    strncpy(ut.ut_line, line, sizeof(ut.ut_line));
133    strncpy(ut.ut_name, name, sizeof(ut.ut_name));
134#ifdef HAVE_STRUCT_UTMP_UT_PID
135    ut.ut_pid = getpid();
136#endif
137#ifdef HAVE_STRUCT_UTMP_UT_HOST
138    strncpy(ut.ut_host, host, sizeof(ut.ut_host));
139#endif
140    ut.ut_time = time(NULL);
141#endif
142
143#if defined(WTMPX_FILE) || defined(HAVE_UTMPX_H)
144    strncpy(utx.ut_line, line, sizeof(utx.ut_line));
145    strncpy(utx.ut_user, name, sizeof(utx.ut_user));
146    strncpy(utx.ut_host, host, sizeof(utx.ut_host));
147#ifdef HAVE_STRUCT_UTMPX_UT_SYSLEN
148    utx.ut_syslen = strlen(host) + 1;
149    if (utx.ut_syslen > sizeof(utx.ut_host))
150        utx.ut_syslen = sizeof(utx.ut_host);
151#endif
152    {
153	struct timeval tv;
154
155	gettimeofday (&tv, 0);
156	utx.ut_tv.tv_sec = tv.tv_sec;
157	utx.ut_tv.tv_usec = tv.tv_usec;
158    }
159
160    if(name[0])
161	utx.ut_type = USER_PROCESS;
162    else
163	utx.ut_type = DEAD_PROCESS;
164#endif
165
166#ifdef HAVE_UTMPX_H
167    pututxline(&utx);
168#endif
169
170    if(!init){
171#ifdef WTMP_FILE
172	fd = open(WTMP_FILE, O_WRONLY|O_APPEND, 0);
173#endif
174#ifdef WTMPX_FILE
175	fdx = open(WTMPX_FILE, O_WRONLY|O_APPEND, 0);
176#endif
177	init = 1;
178    }
179    if(fd >= 0) {
180#ifdef WTMP_FILE
181	write(fd, &ut, sizeof(struct utmp)); /* XXX */
182#endif
183#ifdef WTMPX_FILE
184	write(fdx, &utx, sizeof(struct utmpx));
185#endif
186    }
187}
188
189#endif /* !HAVE_ASL_H */
190
191void
192ftpd_logwtmp(char *line, char *name, char *host)
193{
194#ifdef HAVE_ASL_H
195    ftpd_logwtmp_asl(line, name, host);
196#else
197    ftpd_logwtmp_wtmp(line, name, host);
198#endif
199}
200