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d03f4262 | 1 | /* |
2 | * | |
3 | * Copyright (c) 2001 Gert Doering. 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 | * | |
14 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
15 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
16 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
17 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
18 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
19 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
20 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
21 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
23 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 | * | |
25 | */ | |
d832c38e | 26 | #include "includes.h" |
7cac2b65 | 27 | #include "ssh.h" |
28 | #include "log.h" | |
29 | #include "servconf.h" | |
29d88157 | 30 | #include "canohost.h" |
31 | #include "xmalloc.h" | |
d832c38e | 32 | |
33 | #ifdef _AIX | |
34 | ||
d832c38e | 35 | #include <uinfo.h> |
7cac2b65 | 36 | #include "port-aix.h" |
37 | ||
38 | extern ServerOptions options; | |
d832c38e | 39 | |
d832c38e | 40 | /* |
d03f4262 | 41 | * AIX has a "usrinfo" area where logname and other stuff is stored - |
42 | * a few applications actually use this and die if it's not set | |
43 | * | |
44 | * NOTE: TTY= should be set, but since no one uses it and it's hard to | |
45 | * acquire due to privsep code. We will just drop support. | |
d832c38e | 46 | */ |
47 | void | |
d03f4262 | 48 | aix_usrinfo(struct passwd *pw) |
d832c38e | 49 | { |
50 | u_int i; | |
7cac2b65 | 51 | size_t len; |
d03f4262 | 52 | char *cp; |
d832c38e | 53 | |
7cac2b65 | 54 | len = sizeof("LOGNAME= NAME= ") + (2 * strlen(pw->pw_name)); |
55 | cp = xmalloc(len); | |
56 | ||
57 | i = snprintf(cp, len, "LOGNAME=%s%cNAME=%s%c", pw->pw_name, '\0', | |
58 | pw->pw_name, '\0'); | |
d832c38e | 59 | if (usrinfo(SETUINFO, cp, i) == -1) |
60 | fatal("Couldn't set usrinfo: %s", strerror(errno)); | |
61 | debug3("AIX/UsrInfo: set len %d", i); | |
7cac2b65 | 62 | |
d832c38e | 63 | xfree(cp); |
64 | } | |
65 | ||
7cac2b65 | 66 | #ifdef WITH_AIXAUTHENTICATE |
67 | /* | |
68 | * Remove embedded newlines in string (if any). | |
69 | * Used before logging messages returned by AIX authentication functions | |
70 | * so the message is logged on one line. | |
71 | */ | |
72 | void | |
73 | aix_remove_embedded_newlines(char *p) | |
74 | { | |
75 | if (p == NULL) | |
76 | return; | |
77 | ||
78 | for (; *p; p++) { | |
79 | if (*p == '\n') | |
80 | *p = ' '; | |
81 | } | |
82 | /* Remove trailing whitespace */ | |
83 | if (*--p == ' ') | |
84 | *p = '\0'; | |
85 | } | |
86 | #endif /* WITH_AIXAUTHENTICATE */ | |
87 | ||
88 | # ifdef CUSTOM_FAILED_LOGIN | |
89 | /* | |
90 | * record_failed_login: generic "login failed" interface function | |
91 | */ | |
92 | void | |
93 | record_failed_login(const char *user, const char *ttyname) | |
94 | { | |
95 | char *hostname = get_canonical_hostname(options.use_dns); | |
96 | ||
97 | if (geteuid() != 0) | |
98 | return; | |
99 | ||
100 | aix_setauthdb(user); | |
101 | # ifdef AIX_LOGINFAILED_4ARG | |
102 | loginfailed((char *)user, hostname, (char *)ttyname, AUDIT_FAIL_AUTH); | |
103 | # else | |
104 | loginfailed((char *)user, hostname, (char *)ttyname); | |
105 | # endif | |
106 | } | |
107 | ||
108 | /* | |
109 | * If we have setauthdb, retrieve the password registry for the user's | |
110 | * account then feed it to setauthdb. This may load registry-specific method | |
111 | * code. If we don't have setauthdb or have already called it this is a no-op. | |
112 | */ | |
113 | void | |
114 | aix_setauthdb(const char *user) | |
115 | { | |
116 | # ifdef HAVE_SETAUTHDB | |
117 | static char *registry = NULL; | |
118 | ||
119 | if (registry != NULL) /* have already done setauthdb */ | |
120 | return; | |
121 | ||
122 | if (setuserdb(S_READ) == -1) { | |
123 | debug3("%s: Could not open userdb to read", __func__); | |
124 | return; | |
125 | } | |
126 | ||
127 | if (getuserattr((char *)user, S_REGISTRY, ®istry, SEC_CHAR) == 0) { | |
128 | if (setauthdb(registry, NULL) == 0) | |
129 | debug3("%s: AIX/setauthdb set registry %s", __func__, | |
130 | registry); | |
131 | else | |
132 | debug3("%s: AIX/setauthdb set registry %s failed: %s", | |
133 | __func__, registry, strerror(errno)); | |
134 | } else | |
135 | debug3("%s: Could not read S_REGISTRY for user: %s", __func__, | |
136 | strerror(errno)); | |
137 | enduserdb(); | |
138 | # endif | |
139 | } | |
140 | # endif /* CUSTOM_FAILED_LOGIN */ | |
d832c38e | 141 | #endif /* _AIX */ |
142 |