2 * Copyright (c) 2005 The SCO Group. All rights reserved.
3 * Copyright (c) 2005 Tim Rice. 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.
28 #if defined(HAVE_LIBIAF) && !defined(BROKEN_LIBIAF)
37 #include "auth-options.h"
42 sys_auth_passwd(Authctxt *authctxt, const char *password)
44 struct passwd *pw = authctxt->pw;
45 char *encrypted_password;
49 /* Just use the supplied fake password if authctxt is invalid */
50 char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
52 /* Check for users with no password. */
53 if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
56 /* Encrypt the candidate password using the proper salt. */
57 salt = (pw_password[0] && pw_password[1]) ? pw_password : "xx";
58 #ifdef UNIXWARE_LONG_PASSWORDS
59 if (!nischeck(pw->pw_name))
60 encrypted_password = bigcrypt(password, salt);
62 #endif /* UNIXWARE_LONG_PASSWORDS */
63 encrypted_password = xcrypt(password, salt);
66 * Authentication is accepted if the encrypted passwords
69 result = (strcmp(encrypted_password, pw_password) == 0);
76 #ifdef UNIXWARE_LONG_PASSWORDS
80 char password_file[] = "/etc/passwd";
82 struct passwd *ent = NULL;
84 if ((fd = fopen (password_file, "r")) == NULL) {
86 * If the passwd file has dissapeared we are in a bad state.
87 * However, returning 0 will send us back through the
88 * authentication scheme that has checked the ia database for
95 * fgetpwent() only reads from password file, so we know for certain
96 * that the user is local.
98 while (ent = fgetpwent(fd)) {
99 if (strcmp (ent->pw_name, namep) == 0) {
110 #endif /* UNIXWARE_LONG_PASSWORDS */
113 NOTE: ia_get_logpwd() allocates memory for arg 2
114 functions that call shadow_pw() will need to free
118 get_iaf_password(struct passwd *pw)
120 char *pw_password = NULL;
123 if (!ia_openinfo(pw->pw_name,&uinfo)) {
124 ia_get_logpwd(uinfo, &pw_password);
125 if (pw_password == NULL)
126 fatal("ia_get_logpwd: Unable to get the shadow passwd");
131 fatal("ia_openinfo: Unable to open the shadow passwd file");
133 #endif /* HAVE_LIBIAF && !BROKEN_LIBIAF */