openbsd-compat/xcrypt.c

   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 # ifdef HAVE_CRYPT_H
  28 #  include <crypt.h>
  29 # endif
  30
  31 # ifdef __hpux
  32 #  include <hpsecurity.h>
  33 #  include <prot.h>
  34 # endif
  35
  36 # ifdef HAVE_SECUREWARE
  37 #  include <sys/security.h>
  38 #  include <sys/audit.h>
  39 #  include <prot.h>
  40 # endif
  41
  42 # if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
  43 #  include <shadow.h>
  44 # endif
  45
  46 # if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
  47 #  include <sys/label.h>
  48 #  include <sys/audit.h>
  49 #  include <pwdadj.h>
  50 # endif
  51
  52 # if defined(HAVE_MD5_PASSWORDS) && !defined(HAVE_MD5_CRYPT)
  53 #  include "md5crypt.h"
  54 # endif
  55
  56 char *
  57 xcrypt(const char *password, const char *salt)
  58 {
  59         char *crypted;
  60
  61 # ifdef HAVE_MD5_PASSWORDS
  62         if (is_md5_salt(salt))
  63                 crypted = md5_crypt(password, salt);
  64         else
  65                 crypted = crypt(password, salt);
  66 # elif defined(__hpux) && !defined(HAVE_SECUREWARE)
  67         if (iscomsec())
  68                 crypted = bigcrypt(password, salt);
  69         else
  70                 crypted = crypt(password, salt);
  71 # elif defined(HAVE_SECUREWARE)
  72         crypted = bigcrypt(password, salt);
  73 # else
  74         crypted = crypt(password, salt);
  75 # endif
  76
  77         return crypted;
  78 }
  79
  80 /*
  81  * Handle shadowed password systems in a cleaner way for portable
  82  * version.
  83  */
  84
  85 char *
  86 shadow_pw(struct passwd *pw)
  87 {
  88         char *pw_password = pw->pw_passwd;
  89
  90 # if defined(HAVE_SHADOW_H) && !defined(DISABLE_SHADOW)
  91         struct spwd *spw = getspnam(pw->pw_name);
  92
  93         if (spw != NULL)
  94                 pw_password = spw->sp_pwdp;
  95 # endif
  96 # if defined(HAVE_GETPWANAM) && !defined(DISABLE_SHADOW)
  97         struct passwd_adjunct *spw;
  98         if (issecure() && (spw = getpwanam(pw->pw_name)) != NULL)
  99                 pw_password = spw->pwa_passwd;
 100 # elif defined(HAVE_SECUREWARE)
 101         struct pr_passwd *spw = getprpwnam(pw->pw_name);
 102
 103         if (spw != NULL)
 104                 pw_password = spw->ufld.fd_encrypt;
 105 # endif
 106
 107         return pw_password;
 108 }