3 * Copyright (c) 2001 Gert Doering. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
39 extern ServerOptions options;
40 extern Buffer loginmsg;
42 # ifdef HAVE_SETAUTHDB
43 static char old_registry[REGISTRY_SIZE] = "";
47 * AIX has a "usrinfo" area where logname and other stuff is stored -
48 * a few applications actually use this and die if it's not set
50 * NOTE: TTY= should be set, but since no one uses it and it's hard to
51 * acquire due to privsep code. We will just drop support.
54 aix_usrinfo(struct passwd *pw)
60 len = sizeof("LOGNAME= NAME= ") + (2 * strlen(pw->pw_name));
63 i = snprintf(cp, len, "LOGNAME=%s%cNAME=%s%c", pw->pw_name, '\0',
65 if (usrinfo(SETUINFO, cp, i) == -1)
66 fatal("Couldn't set usrinfo: %s", strerror(errno));
67 debug3("AIX/UsrInfo: set len %d", i);
72 # ifdef WITH_AIXAUTHENTICATE
74 * Remove embedded newlines in string (if any).
75 * Used before logging messages returned by AIX authentication functions
76 * so the message is logged on one line.
79 aix_remove_embedded_newlines(char *p)
88 /* Remove trailing whitespace */
94 * Do authentication via AIX's authenticate routine. We loop until the
95 * reenter parameter is 0, but normally authenticate is called only once.
97 * Note: this function returns 1 on success, whereas AIX's authenticate()
101 aix_authenticate(const char *name, const char *password, const char *host)
103 char *authmsg = NULL, *msg;
104 int authsuccess = 0, reenter, result;
107 result = authenticate((char *)name, (char *)password, &reenter,
109 aix_remove_embedded_newlines(authmsg);
110 debug3("AIX/authenticate result %d, msg %.100s", result,
117 /* No pty yet, so just label the line as "ssh" */
119 if (loginsuccess((char *)name, (char *)host, "ssh", &msg) == 0) {
121 debug("%s: msg %s", __func__, msg);
122 buffer_append(&loginmsg, msg, strlen(msg));
135 # ifdef CUSTOM_FAILED_LOGIN
137 * record_failed_login: generic "login failed" interface function
140 record_failed_login(const char *user, const char *ttyname)
142 char *hostname = (char *)get_canonical_hostname(options.use_dns);
148 # ifdef AIX_LOGINFAILED_4ARG
149 loginfailed((char *)user, hostname, (char *)ttyname, AUDIT_FAIL_AUTH);
151 loginfailed((char *)user, hostname, (char *)ttyname);
155 # endif /* CUSTOM_FAILED_LOGIN */
158 * If we have setauthdb, retrieve the password registry for the user's
159 * account then feed it to setauthdb. This will mean that subsequent AIX auth
160 * functions will only use the specified loadable module. If we don't have
161 * setauthdb this is a no-op.
164 aix_setauthdb(const char *user)
166 # ifdef HAVE_SETAUTHDB
169 if (setuserdb(S_READ) == -1) {
170 debug3("%s: Could not open userdb to read", __func__);
174 if (getuserattr((char *)user, S_REGISTRY, ®istry, SEC_CHAR) == 0) {
175 if (setauthdb(registry, old_registry) == 0)
176 debug3("AIX/setauthdb set registry '%s'", registry);
178 debug3("AIX/setauthdb set registry '%s' failed: %s",
179 registry, strerror(errno));
181 debug3("%s: Could not read S_REGISTRY for user: %s", __func__,
184 # endif /* HAVE_SETAUTHDB */
188 * Restore the user's registry settings from old_registry.
189 * Note that if the first aix_setauthdb fails, setauthdb("") is still safe
190 * (it restores the system default behaviour). If we don't have setauthdb,
194 aix_restoreauthdb(void)
196 # ifdef HAVE_SETAUTHDB
197 if (setauthdb(old_registry, NULL) == 0)
198 debug3("%s: restoring old registry '%s'", __func__,
201 debug3("%s: failed to restore old registry %s", __func__,
203 # endif /* HAVE_SETAUTHDB */
206 # endif /* WITH_AIXAUTHENTICATE */