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.
29 #include <sys/types.h>
42 #include "auth-options.h"
53 sys_auth_passwd(Authctxt *authctxt, const char *password)
55 struct passwd *pw = authctxt->pw;
59 /* Just use the supplied fake password if authctxt is invalid */
60 char *pw_password = authctxt->valid ? shadow_pw(pw) : pw->pw_passwd;
62 /* Check for users with no password. */
63 if (strcmp(pw_password, "") == 0 && strcmp(password, "") == 0)
66 /* Encrypt the candidate password using the proper salt. */
67 salt = (pw_password[0] && pw_password[1]) ? pw_password : "xx";
70 * Authentication is accepted if the encrypted passwords
73 #ifdef UNIXWARE_LONG_PASSWORDS
74 if (!nischeck(pw->pw_name)) {
75 result = ((strcmp(bigcrypt(password, salt), pw_password) == 0)
76 || (strcmp(osr5bigcrypt(password, salt), pw_password) == 0));
79 #endif /* UNIXWARE_LONG_PASSWORDS */
80 result = (strcmp(xcrypt(password, salt), pw_password) == 0);
82 #if !defined(BROKEN_LIBIAF)
89 #ifdef UNIXWARE_LONG_PASSWORDS
93 char password_file[] = "/etc/passwd";
95 struct passwd *ent = NULL;
97 if ((fd = fopen (password_file, "r")) == NULL) {
99 * If the passwd file has dissapeared we are in a bad state.
100 * However, returning 0 will send us back through the
101 * authentication scheme that has checked the ia database for
108 * fgetpwent() only reads from password file, so we know for certain
109 * that the user is local.
111 while (ent = fgetpwent(fd)) {
112 if (strcmp (ent->pw_name, namep) == 0) {
123 #endif /* UNIXWARE_LONG_PASSWORDS */
126 NOTE: ia_get_logpwd() allocates memory for arg 2
127 functions that call shadow_pw() will need to free
130 #if !defined(BROKEN_LIBIAF)
132 get_iaf_password(struct passwd *pw)
134 char *pw_password = NULL;
137 if (!ia_openinfo(pw->pw_name,&uinfo)) {
138 ia_get_logpwd(uinfo, &pw_password);
139 if (pw_password == NULL)
140 fatal("ia_get_logpwd: Unable to get the shadow passwd");
145 fatal("ia_openinfo: Unable to open the shadow passwd file");
147 #endif /* !BROKEN_LIBIAF */
148 #endif /* HAVE_LIBIAF */