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1 /*
2  * Copyright (c) 2003 Ben Lindstrom.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24
25 #include "includes.h"
26
27 #include <sys/types.h>
28 #include <pwd.h>
29
30 # ifdef HAVE_CRYPT_H
31 #  include <crypt.h>
32 # endif
33
34 # ifdef __hpux
35 #  include <hpsecurity.h>
36 #  include <prot.h>
37 # endif
38
39 # ifdef HAVE_SECUREWARE
40 #  include <sys/security.h>
41 #  include <sys/audit.h>
42 #  include <prot.h>
43 # endif 
44
45 # if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
46 #  include <shadow.h>
47 # endif
48
49 # if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
50 #  include <sys/label.h>
51 #  include <sys/audit.h>
52 #  include <pwdadj.h>
53 # endif
54
55 # if defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT)
56 #  include "md5crypt.h"
57 # endif 
58
59 char *
60 xcrypt(const char *password, const char *salt)
61 {
62         char *crypted;
63
64 # ifdef HAVE_MD5_PASSWORDS
65         if (is_md5_salt(salt))
66                 crypted = md5_crypt(password, salt);
67         else
68                 crypted = crypt(password, salt);
69 # elif defined(__hpux) && !defined(HAVE_SECUREWARE)
70         if (iscomsec())
71                 crypted = bigcrypt(password, salt);
72         else
73                 crypted = crypt(password, salt);
74 # elif defined(HAVE_SECUREWARE)
75         crypted = bigcrypt(password, salt);
76 # else
77         crypted = crypt(password, salt);
78 # endif 
79
80         return crypted;
81 }
82
83 /*
84  * Handle shadowed password systems in a cleaner way for portable
85  * version.
86  */
87
88 char *
89 shadow_pw(struct passwd *pw)
90 {
91         char *pw_password = pw->pw_passwd;
92
93 # if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
94         struct spwd *spw = getspnam(pw->pw_name);
95
96         if (spw != NULL)
97                 pw_password = spw->sp_pwdp;
98 # endif
99
100 #if defined(HAVE_LIBIAF)  &&  !defined(BROKEN_LIBIAF)
101         return(get_iaf_password(pw));
102 #endif
103
104 # if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
105         struct passwd_adjunct *spw;
106         if (issecure() && (spw = getpwanam(pw->pw_name)) != NULL)
107                 pw_password = spw->pwa_passwd;
108 # elif defined(HAVE_SECUREWARE)
109         struct pr_passwd *spw = getprpwnam(pw->pw_name);
110
111         if (spw != NULL)
112                 pw_password = spw->ufld.fd_encrypt;
113 # endif
114
115         return pw_password;
116 }
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