1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*
* Copyright (c) 1995-1999 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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 "bsd_locl.h"
RCSID("$Id: utmp_login.c,v 1.16 1999/12/02 16:58:29 joda Exp $");
#ifdef HAVE_UTMP_H
void
prepare_utmp (struct utmp *utmp, char *tty, char *username, char *hostname)
{
char *ttyx = clean_ttyname (tty);
memset(utmp, 0, sizeof(*utmp));
utmp->ut_time = time(NULL);
strncpy(utmp->ut_line, ttyx, sizeof(utmp->ut_line));
strncpy(utmp->ut_name, username, sizeof(utmp->ut_name));
# ifdef HAVE_STRUCT_UTMP_UT_USER
strncpy(utmp->ut_user, username, sizeof(utmp->ut_user));
# endif
# ifdef HAVE_STRUCT_UTMP_UT_ADDR
if (hostname[0]) {
struct hostent *he;
if ((he = gethostbyname(hostname)))
memcpy(&utmp->ut_addr, he->h_addr_list[0],
sizeof(utmp->ut_addr));
}
# endif
# ifdef HAVE_STRUCT_UTMP_UT_HOST
strncpy(utmp->ut_host, hostname, sizeof(utmp->ut_host));
# endif
# ifdef HAVE_STRUCT_UTMP_UT_TYPE
utmp->ut_type = USER_PROCESS;
# endif
# ifdef HAVE_STRUCT_UTMP_UT_PID
utmp->ut_pid = getpid();
# endif
# ifdef HAVE_STRUCT_UTMP_UT_ID
strncpy(utmp->ut_id, make_id(ttyx), sizeof(utmp->ut_id));
# endif
}
#endif
#ifdef HAVE_UTMPX_H
void utmp_login(char *tty, char *username, char *hostname) { return; }
#else
/* update utmp and wtmp - the BSD way */
void utmp_login(char *tty, char *username, char *hostname)
{
struct utmp utmp;
int fd;
prepare_utmp (&utmp, tty, username, hostname);
#ifdef HAVE_SETUTENT
utmpname(_PATH_UTMP);
setutent();
pututline(&utmp);
endutent();
#else
#ifdef HAVE_TTYSLOT
{
int ttyno;
ttyno = ttyslot();
if (ttyno > 0 && (fd = open(_PATH_UTMP, O_WRONLY, 0)) >= 0) {
lseek(fd, (long)(ttyno * sizeof(struct utmp)), SEEK_SET);
write(fd, &utmp, sizeof(struct utmp));
close(fd);
}
}
#endif /* HAVE_TTYSLOT */
#endif /* HAVE_SETUTENT */
if ((fd = open(_PATH_WTMP, O_WRONLY|O_APPEND, 0)) >= 0) {
write(fd, &utmp, sizeof(struct utmp));
close(fd);
}
}
#endif /* !HAVE_UTMPX_H */
|
