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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
/*
*
* Copyright (c) 2001 Gert Doering. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 "includes.h"
#include "ssh.h"
#include "log.h"
#include "servconf.h"
#include "canohost.h"
#include "xmalloc.h"
#ifdef _AIX
#include <uinfo.h>
#include "port-aix.h"
extern ServerOptions options;
/*
* AIX has a "usrinfo" area where logname and other stuff is stored -
* a few applications actually use this and die if it's not set
*
* NOTE: TTY= should be set, but since no one uses it and it's hard to
* acquire due to privsep code. We will just drop support.
*/
void
aix_usrinfo(struct passwd *pw)
{
u_int i;
size_t len;
char *cp;
len = sizeof("LOGNAME= NAME= ") + (2 * strlen(pw->pw_name));
cp = xmalloc(len);
i = snprintf(cp, len, "LOGNAME=%s%cNAME=%s%c", pw->pw_name, '\0',
pw->pw_name, '\0');
if (usrinfo(SETUINFO, cp, i) == -1)
fatal("Couldn't set usrinfo: %s", strerror(errno));
debug3("AIX/UsrInfo: set len %d", i);
xfree(cp);
}
#ifdef WITH_AIXAUTHENTICATE
/*
* Remove embedded newlines in string (if any).
* Used before logging messages returned by AIX authentication functions
* so the message is logged on one line.
*/
void
aix_remove_embedded_newlines(char *p)
{
if (p == NULL)
return;
for (; *p; p++) {
if (*p == '\n')
*p = ' ';
}
/* Remove trailing whitespace */
if (*--p == ' ')
*p = '\0';
}
#endif /* WITH_AIXAUTHENTICATE */
# ifdef CUSTOM_FAILED_LOGIN
/*
* record_failed_login: generic "login failed" interface function
*/
void
record_failed_login(const char *user, const char *ttyname)
{
char *hostname = get_canonical_hostname(options.use_dns);
if (geteuid() != 0)
return;
aix_setauthdb(user);
# ifdef AIX_LOGINFAILED_4ARG
loginfailed((char *)user, hostname, (char *)ttyname, AUDIT_FAIL_AUTH);
# else
loginfailed((char *)user, hostname, (char *)ttyname);
# endif
}
/*
* If we have setauthdb, retrieve the password registry for the user's
* account then feed it to setauthdb. This may load registry-specific method
* code. If we don't have setauthdb or have already called it this is a no-op.
*/
void
aix_setauthdb(const char *user)
{
# ifdef HAVE_SETAUTHDB
static char *registry = NULL;
if (registry != NULL) /* have already done setauthdb */
return;
if (setuserdb(S_READ) == -1) {
debug3("%s: Could not open userdb to read", __func__);
return;
}
if (getuserattr((char *)user, S_REGISTRY, ®istry, SEC_CHAR) == 0) {
if (setauthdb(registry, NULL) == 0)
debug3("%s: AIX/setauthdb set registry %s", __func__,
registry);
else
debug3("%s: AIX/setauthdb set registry %s failed: %s",
__func__, registry, strerror(errno));
} else
debug3("%s: Could not read S_REGISTRY for user: %s", __func__,
strerror(errno));
enduserdb();
# endif
}
# endif /* CUSTOM_FAILED_LOGIN */
#endif /* _AIX */
|
