usr/src/lib/crypt_modules/bsdbf/bsdbf.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License, Version 1.0 only
   6  * (the "License").  You may not use this file except in compliance
   7  * with the License.
   8  *
   9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  10  * or http://www.opensolaris.org/os/licensing.
  11  * See the License for the specific language governing permissions
  12  * and limitations under the License.
  13  *
  14  * When distributing Covered Code, include this CDDL HEADER in each
  15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  16  * If applicable, add the following below this CDDL HEADER, with the
  17  * fields enclosed by brackets "[]" replaced with your own identifying
  18  * information: Portions Copyright [yyyy] [name of copyright owner]
  19  *
  20  * CDDL HEADER END
  21  */
  22 /*
  23  * Copyright 2003 Sun Microsystems, Inc.  All rights reserved.
  24  * Use is subject to license terms.
  25  */
  26
  27 #pragma ident   "%Z%%M% %I%     %E% SMI"
  28
  29 #include <crypt.h>
  30 #include <errno.h>
  31 #include <string.h>
  32 #include <stdlib.h>
  33
  34 extern char *bcrypt_gensalt(uint8_t);
  35 extern char *bcrypt(const char *, const char *);
  36 extern int _bcrypt_autorounds(void);
  37
  38 /*ARGSUSED2*/
  39 char *
  40 crypt_gensalt_impl(char *gsbuffer,
  41             size_t gsbufflen,
  42             const char *oldsalt,
  43             const struct passwd *userinfo,
  44             const char **params)
  45 {
  46         int logr = _bcrypt_autorounds();
  47
  48         if (params != NULL) {
  49                 logr = atoi(params[0]);
  50         }
  51         (void) strlcpy(gsbuffer, bcrypt_gensalt(logr), gsbufflen);
  52         return (gsbuffer);
  53 }
  54
  55
  56 /*ARGSUSED4*/
  57 char *
  58 crypt_genhash_impl(char *ctbuffer,
  59             size_t ctbufflen,
  60             const char *plaintext,
  61             const char *salt,
  62             const char **params)
  63 {
  64         (void) strlcpy(ctbuffer, bcrypt(plaintext, salt), ctbufflen);
  65         return (ctbuffer);
  66 }