+++ /dev/null
-/* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/*
- * lutil_authpassword(authpasswd, cred)
- *
- * Returns true if user supplied credentials (cred) matches
- * the stored authentication password (authpasswd).
- *
- * Due to the use of the crypt(3) function
- * this routine is NOT thread-safe.
- */
-
-#include "portable.h"
-
-#ifdef SLAP_AUTHPASSWD
-
-#include <stdio.h>
-#include <ac/stdlib.h>
-#include <ac/string.h>
-
-#ifdef SLAPD_KPASSWD
-# include <ac/krb.h>
-# include <ac/krb5.h>
-#endif
-
-#include <ac/param.h>
-
-#include <ac/unistd.h>
-#include <ac/crypt.h>
-
-#ifdef HAVE_SHADOW_H
-# include <shadow.h>
-#endif
-#ifdef HAVE_PWD_H
-# include <pwd.h>
-#endif
-
-#include <lber.h>
-
-#include "lutil_md5.h"
-#include "lutil_sha1.h"
-#include "lutil.h"
-
-static const unsigned char crypt64[] =
- "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890./";
-
-struct pw_scheme;
-
-typedef int (*PASSWD_CHK_FUNC)(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *salt,
- const struct berval *cred );
-
-typedef int (*PASSWD_HASH_FUNC) (
- const struct pw_scheme *scheme,
- const struct berval *cred,
- const struct berval *salt,
- struct berval **passwd_out,
- struct berval **salt_out );
-
-/* password check routines */
-static int chk_md5(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *salt,
- const struct berval *cred );
-
-#ifdef LUTIL_SHA1_BYTES
-static int chk_sha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *salt,
- const struct berval *cred );
-#endif
-
-static int chk_crypt(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *salt,
- const struct berval *cred );
-
-static int chk_ext(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *salt,
- const struct berval *cred );
-
-static int chk_ext_kerberos(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
-
-static int chk_ext_unix(
- const struct pw_scheme *scheme,
- const struct berval *passwd,
- const struct berval *cred );
-
-#ifdef LUTIL_SHA1_BYTES
-/* password hash routines */
-static int *hash_sha1(
- const struct pw_scheme *scheme,
- const struct berval *cred,
- const struct berval *salt,
- struct berval **passwd_out,
- struct berval **salt_out );
-#endif
-
-static int *hash_md5(
- const struct pw_scheme *scheme,
- const struct berval *cred,
- const struct berval *salt,
- struct berval **passwd_out,
- struct berval **salt_out );
-
-static int *hash_crypt(
- const struct pw_scheme *scheme,
- const struct berval *cred,
- const struct berval *salt,
- struct berval **passwd_out,
- struct berval **salt_out );
-
-
-struct pw_scheme {
- struct berval name;
- PASSWD_CHK_FUNC chk_fn;
- PASSWD_HASH_FUNC hash_fn;
- int saltbytes;
-};
-
-static const struct pw_scheme pw_schemes[] =
-{
-#ifdef LUTIL_SHA1_BYTES
- { {sizeof("SHA1")-1, "SHA1"}, chk_sha1, 0 /* hash_sha1 */, 4 },
-#endif
- { {sizeof("MD5")-1, "MD5"}, chk_md5, 0 /* hash_md5 */, 4 },
-
-#ifdef SLAPD_CRYPT
- { {sizeof("CRYPT")-1, "CRYPT"}, chk_crypt, hash_crypt, 2 },
-#endif
-
-#ifdef EXT_PASSWD
- { {sizeof("EXTERNAL")-1, "EXTERNAL"}, chk_ext, NULL, 0 },
-#endif
-
- { {0, NULL}, NULL, NULL, 0 }
-};
-
-#ifdef EXT_PASSWD
-struct ext_scheme {
- struct berval name;
- EXT_CHK_FUNC chk_fn;
-};
-
-static const struct ext_scheme ext_schemes[] =
-{
- { {0, NULL}, NULL, NULL, 0 }
-};
-#endif
-
-static const struct pw_scheme *get_scheme(
- const char *scheme )
-{
- int i;
-
- if( scheme == NULL || *scheme == '\0' ) return NULL;
-
- for( i=0; pw_schemes[i].name.bv_val; i++) {
- if( pw_schemes[i].name.bv_len == 0 ) continue;
-
- if( strncasecmp( scheme,
- pw_schemes[i].name.bv_val,
- pw_schemes[i].name.bv_len) == 0 )
- {
- return &pw_schemes[i];
- }
- }
-
- return NULL;
-}
-
-int lutil_authpasswd_scheme(
- const char *scheme )
-{
- return get_scheme( scheme ) != NULL;
-}
-
-
-static int is_allowed_scheme(
- const char* scheme,
- const char** schemes )
-{
- int i;
-
- if( scheme == NULL || *scheme == '\0' ) return 1;
-
- for( i=0; schemes[i] != NULL; i++ ) {
- if( strcasecmp( scheme, schemes[i] ) == 0 ) {
- return 1;
- }
- }
- return 0;
-}
-
-static int parse_authpasswd(
- char **scheme,
- struct berval *salt,
- struct berval *passwd )
-{
- *scheme = NULL;
- return -1;
-}
-
-/*
- * Return 0 if creds are good.
- */
-int
-lutil_authpasswd(
- const struct berval *value, /* stored authpasswd */
- const struct berval *cred, /* user cred */
- const char **schemes )
-{
- char *scheme;
- struct berval salt, passwd;
- const struct pw_scheme *pws;
- int rc = -1;
-
- if (cred == NULL || cred->bv_len == 0 ||
- value == NULL || value->bv_len == 0 )
- {
- return -1;
- }
-
- rc = parse_authpasswd( &scheme, &salt, &passwd );
-
- if( rc != 0 ) return -1;
-
- if( !is_allowed_scheme( scheme, schemes ) ) {
- goto done;
- }
-
- pws = get_scheme( scheme );
-
- if( pws == NULL || !pws->chk_fn ) {
- goto done;
- };
-
- rc = (pws->chk_fn)( pws, &salt, &passwd, cred );
-
-done:
- if( scheme != NULL ) {
- ber_memfree( scheme );
- ber_memfree( salt.bv_val );
- ber_memfree( passwd.bv_val );
- }
-
- return rc ? -1 : 0;
-}
-
-struct berval * lutil_authpasswd_generate( ber_len_t len )
-{
- struct berval *pw;
-
- if( len < 1 ) return NULL;
-
- pw = ber_memalloc( sizeof( struct berval ) );
- if( pw == NULL ) return NULL;
-
- pw->bv_len = len;
- pw->bv_val = ber_memalloc( len + 1 );
-
- if( pw->bv_val == NULL ) {
- ber_memfree( pw );
- return NULL;
- }
-
- if( lutil_entropy( pw->bv_val, pw->bv_len) < 0 ) {
- ber_bvfree( pw );
- return NULL;
- }
-
- for( len = 0; len < pw->bv_len; len++ ) {
- pw->bv_val[len] = crypt64[
- pw->bv_val[len] % (sizeof(crypt64)-1) ];
- }
-
- pw->bv_val[len] = '\0';
-
- return pw;
-}
-
-int lutil_authpasswd_hash(
- const struct berval * cred,
- struct berval ** passwd_out,
- struct berval ** salt_out,
- const char * method )
-{
- const struct pw_scheme *sc;
- int rc;
-
- if( passwd_out == NULL ) return -1;
-
- sc = get_scheme( method );
- if( sc == NULL || !sc->hash_fn ) return -1;
-
- if( sc->saltbytes && salt_out != NULL ) {
- struct berval salt;
- salt.bv_val = ber_memalloc( sc->saltbytes );
-
- if( salt.bv_val == NULL ) {
- return -1;
- }
- salt.bv_len = sc->saltbytes;
-
- if( lutil_entropy( salt.bv_val, salt.bv_len ) < 0 ) {
- ber_memfree( salt.bv_val );
- return -1;
- }
-
- rc = (sc->hash_fn)( sc, cred, &salt, passwd_out, NULL );
- ber_memfree( salt.bv_val );
-
- } else if ( sc->saltbytes ) {
- /* wants salt, disallow */
- return -1;
-
- } else {
- rc = (sc->hash_fn)( sc, cred, NULL, passwd_out, salt_out );
- }
-
- return rc;
-}
-
-static struct berval * base64(
- const struct berval *value )
-{
- int rc;
- struct berval *b64;
-
- assert( value != NULL );
-
- if( value == NULL || value->bv_len == 0 ) return NULL;
-
- b64 = ber_memalloc( sizeof(struct berval) );
- if( b64 == NULL ) return NULL;
-
- b64->bv_len = LUTIL_BASE64_ENCODE_LEN( value->bv_len );
- b64->bv_val = ber_memalloc( b64->bv_len + 1 );
-
- if( b64->bv_val == NULL ) {
- ber_memfree( b64 );
- return NULL;
- }
-
- rc = lutil_b64_ntop(
- value->bv_val, value->bv_len,
- b64->bv_val, b64->bv_len );
-
- b64->bv_val[b64->bv_len] = '\0';
-
- if( rc < 0 ) {
- ber_bvfree( b64 );
- return NULL;
- }
-
- return b64;
-}
-
-/* PASSWORD CHECK ROUTINES */
-
-#ifdef LUTIL_SHA1_BYTES
-static int chk_sha1(
- const struct pw_scheme *sc,
- const struct berval * passwd,
- const struct berval * salt,
- const struct berval * cred )
-{
- lutil_SHA1_CTX SHA1context;
- unsigned char SHA1digest[LUTIL_SHA1_BYTES];
- int rc;
- unsigned char *orig_pass = NULL;
- unsigned char *orig_salt = NULL;
- int saltlen;
-
- if( passwd == NULL || passwd->bv_len == 0 ) {
- return 1;
- }
-
- /* decode base64 password */
- orig_pass = (unsigned char *) ber_memalloc( (size_t) (
- LUTIL_BASE64_DECODE_LEN(passwd->bv_len) + 1) );
-
- if( orig_pass == NULL ) {
- rc = -1;
- goto done;
- }
-
- rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len);
-
- if( rc < 0 ) {
- goto done;
- }
-
- /* decode base64 salt */
- if( salt != NULL && salt->bv_len > 0 ) {
- orig_salt = (unsigned char *) ber_memalloc( (size_t) (
- LUTIL_BASE64_DECODE_LEN(salt->bv_len) + 1) );
-
- if( orig_salt == NULL ) {
- rc = -1;
- goto done;
- }
-
- saltlen = lutil_b64_pton(passwd->bv_val, orig_salt, passwd->bv_len);
-
- if( saltlen < 0 ) {
- goto done;
- }
- }
-
- /* hash credentials with salt */
- lutil_SHA1Init(&SHA1context);
- lutil_SHA1Update(&SHA1context,
- (const unsigned char *) cred->bv_val, cred->bv_len);
- if( orig_salt != NULL ) {
- lutil_SHA1Update(&SHA1context,
- orig_salt, saltlen );
- }
- lutil_SHA1Final(SHA1digest, &SHA1context);
-
- /* compare */
- rc = memcmp((char *)orig_pass, (char *)SHA1digest, sizeof(SHA1digest));
-
-done:
- ber_memfree(orig_pass);
- ber_memfree(orig_salt);
- return rc;
-}
-#endif
-
-static int chk_md5(
- const struct pw_scheme *sc,
- const struct berval * passwd,
- const struct berval * salt,
- const struct berval * cred )
-{
- lutil_MD5_CTX MD5context;
- unsigned char MD5digest[LUTIL_MD5_BYTES];
- int rc;
- unsigned char *orig_pass = NULL;
- unsigned char *orig_salt = NULL;
- int saltlen;
-
- if( passwd == NULL || passwd->bv_len == 0 ) {
- return 1;
- }
-
- /* decode base64 password */
- orig_pass = (unsigned char *) ber_memalloc( (size_t) (
- LUTIL_BASE64_DECODE_LEN(passwd->bv_len) + 1) );
-
- if( orig_pass == NULL ) {
- rc = -1;
- goto done;
- }
-
- rc = lutil_b64_pton(passwd->bv_val, orig_pass, passwd->bv_len);
-
- if( rc < 0 ) {
- goto done;
- }
-
- /* decode base64 salt */
- if( salt != NULL && salt->bv_len > 0 ) {
- orig_salt = (unsigned char *) ber_memalloc( (size_t) (
- LUTIL_BASE64_DECODE_LEN(salt->bv_len) + 1) );
-
- if( orig_salt == NULL ) {
- rc = -1;
- goto done;
- }
-
- saltlen = lutil_b64_pton(passwd->bv_val, orig_salt, passwd->bv_len);
-
- if( saltlen < 0 ) {
- goto done;
- }
- }
-
- /* hash credentials with salt */
- lutil_MD5Init(&MD5context);
- lutil_MD5Update(&MD5context,
- (const unsigned char *) cred->bv_val, cred->bv_len);
- if( orig_salt != NULL ) {
- lutil_MD5Update(&MD5context,
- orig_salt, saltlen );
- }
- lutil_MD5Final(MD5digest, &MD5context);
-
- /* compare */
- rc = memcmp((char *)orig_pass, (char *)MD5digest, sizeof(MD5digest));
-
-done:
- ber_memfree(orig_pass);
- ber_memfree(orig_salt);
- return rc;
-}
-
-#ifdef SLAPD_KPASSWD
-static int chk_kerberos(
- const struct pw_scheme *sc,
- const struct berval * passwd,
- const struct berval * cred,
- const struct berval * salt )
-{
- int i;
- int rtn;
-
- for( i=0; i<cred->bv_len; i++) {
- if(cred->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
- }
- }
-
- if( cred->bv_val[i] != '\0' ) {
- return 1; /* cred must behave like a string */
- }
-
- for( i=0; i<passwd->bv_len; i++) {
- if(passwd->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
- }
- }
-
- if( passwd->bv_val[i] != '\0' ) {
- return 1; /* passwd must behave like a string */
- }
-
- rtn = 1;
-
-#ifdef HAVE_KRB5 /* HAVE_HEIMDAL_KRB5 */
- {
-/* Portions:
- * Copyright (c) 1997, 1998, 1999 Kungliga Tekniska H\xf6gskolan
- * (Royal Institute of Technology, Stockholm, Sweden).
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * 3. Neither the name of the Institute nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
- krb5_context context;
- krb5_error_code ret;
- krb5_creds creds;
- krb5_get_init_creds_opt get_options;
- krb5_verify_init_creds_opt verify_options;
- krb5_principal client, server;
-#ifdef notdef
- krb5_preauthtype pre_auth_types[] = {KRB5_PADATA_ENC_TIMESTAMP};
-#endif
-
- ret = krb5_init_context( &context );
- if (ret) {
- return 1;
- }
-
-#ifdef notdef
- krb5_get_init_creds_opt_set_preauth_list(&get_options,
- pre_auth_types, 1);
-#endif
-
- krb5_get_init_creds_opt_init( &get_options );
-
- krb5_verify_init_creds_opt_init( &verify_options );
-
- ret = krb5_parse_name( context, passwd->bv_val, &client );
-
- if (ret) {
- krb5_free_context( context );
- return 1;
- }
-
- ret = krb5_get_init_creds_password( context,
- &creds, client, cred->bv_val, NULL,
- NULL, 0, NULL, &get_options );
-
- if (ret) {
- krb5_free_principal( context, client );
- krb5_free_context( context );
- return 1;
- }
-
- {
- char *host = ldap_pvt_get_fqdn( NULL );
-
- if( host == NULL ) {
- krb5_free_principal( context, client );
- krb5_free_context( context );
- return 1;
- }
-
- ret = krb5_sname_to_principal( context,
- host, "ldap", KRB5_NT_SRV_HST, &server );
-
- ber_memfree( host );
- }
-
- if (ret) {
- krb5_free_principal( context, client );
- krb5_free_context( context );
- return 1;
- }
-
- ret = krb5_verify_init_creds( context,
- &creds, server, NULL, NULL, &verify_options );
-
- krb5_free_principal( context, client );
- krb5_free_principal( context, server );
- krb5_free_creds_contents( context, &creds );
- krb5_free_context( context );
-
- rtn = !!ret;
- }
-#elif defined(HAVE_KRB4)
- {
- /* Borrowed from Heimdal kpopper */
-/* Portions:
- * Copyright (c) 1989 Regents of the University of California.
- * All rights reserved. The Berkeley software License Agreement
- * specifies the terms and conditions for redistribution.
- */
-
- int status;
- char lrealm[REALM_SZ];
- char tkt[MAXHOSTNAMELEN];
-
- status = krb_get_lrealm(lrealm,1);
- if (status == KFAILURE) {
- return 1;
- }
-
- snprintf(tkt, sizeof(tkt), "%s_slapd.%u",
- TKT_ROOT, (unsigned)getpid());
- krb_set_tkt_string (tkt);
-
- status = krb_verify_user( passwd->bv_val, "", lrealm,
- cred->bv_val, 1, "ldap");
-
- dest_tkt(); /* no point in keeping the tickets */
-
- return status == KFAILURE;
- }
-#endif
-
- return rtn;
-}
-#endif /* SLAPD_KPASSWD */
-
-#ifdef SLAPD_CRYPT
-static int chk_crypt(
- const struct pw_scheme *sc,
- const struct berval * passwd,
- const struct berval * cred )
-{
- char *cr;
- int i;
-
- for( i=0; i<cred->bv_len; i++) {
- if(cred->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
- }
- }
-
- if( cred->bv_val[i] != '\0' ) {
- return 1; /* cred must behave like a string */
- }
-
- if( passwd->bv_len < 2 ) {
- return 1; /* passwd must be at least two characters long */
- }
-
- for( i=0; i<passwd->bv_len; i++) {
- if(passwd->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
- }
- }
-
- if( passwd->bv_val[i] != '\0' ) {
- return 1; /* passwd must behave like a string */
- }
-
- cr = crypt( cred->bv_val, passwd->bv_val );
-
- if( cr == NULL || cr[0] == '\0' ) {
- /* salt must have been invalid */
- return 1;
- }
-
- return strcmp( passwd->bv_val, cr );
-}
-
-# if defined( HAVE_GETSPNAM ) \
- || ( defined( HAVE_GETPWNAM ) && defined( HAVE_PW_PASSWD ) )
-static int chk_unix(
- const struct pw_scheme *sc,
- const struct berval * passwd,
- const struct berval * cred )
-{
- int i;
- char *pw,*cr;
-
- for( i=0; i<cred->bv_len; i++) {
- if(cred->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
- }
- }
- if( cred->bv_val[i] != '\0' ) {
- return 1; /* cred must behave like a string */
- }
-
- for( i=0; i<passwd->bv_len; i++) {
- if(passwd->bv_val[i] == '\0') {
- return 1; /* NUL character in password */
- }
- }
-
- if( passwd->bv_val[i] != '\0' ) {
- return 1; /* passwd must behave like a string */
- }
-
-# ifdef HAVE_GETSPNAM
- {
- struct spwd *spwd = getspnam(passwd->bv_val);
-
- if(spwd == NULL) {
- return 1; /* not found */
- }
-
- pw = spwd->sp_pwdp;
- }
-
-# else
- {
- struct passwd *pwd = getpwnam(passwd->bv_val);
-
- if(pwd == NULL) {
- return 1; /* not found */
- }
-
- pw = pwd->pw_passwd;
- }
-# endif
-
- if( pw == NULL || pw[0] == '\0' || pw[1] == '\0' ) {
- /* password must must be at least two characters long */
- return 1;
- }
-
- cr = crypt(cred->bv_val, pw);
-
- if( cr == NULL || cr[0] == '\0' ) {
- /* salt must have been invalid */
- return 1;
- }
-
- return strcmp(pw, cr);
-
-}
-# endif
-#endif
-
-/* PASSWORD GENERATION ROUTINES */
-
-#ifdef SLAPD_GENERATE
-
-#ifdef LUTIL_SHA1_BYTES
-static struct berval *hash_ssha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
-{
- lutil_SHA1_CTX SHA1context;
- unsigned char SHA1digest[LUTIL_SHA1_BYTES];
- unsigned char saltdata[4];
- struct berval digest;
- struct berval salt;
-
- digest.bv_val = SHA1digest;
- digest.bv_len = sizeof(SHA1digest);
- salt.bv_val = saltdata;
- salt.bv_len = sizeof(saltdata);
-
- if( lutil_entropy( salt.bv_val, salt.bv_len) < 0 ) {
- return NULL;
- }
-
- lutil_SHA1Init( &SHA1context );
- lutil_SHA1Update( &SHA1context,
- (const unsigned char *)passwd->bv_val, passwd->bv_len );
- lutil_SHA1Update( &SHA1context,
- (const unsigned char *)salt.bv_val, salt.bv_len );
- lutil_SHA1Final( SHA1digest, &SHA1context );
-
- return pw_string64( scheme, &digest, &salt);
-}
-
-static struct berval *hash_sha1(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
-{
- lutil_SHA1_CTX SHA1context;
- unsigned char SHA1digest[LUTIL_SHA1_BYTES];
- struct berval digest;
- digest.bv_val = SHA1digest;
- digest.bv_len = sizeof(SHA1digest);
-
- lutil_SHA1Init( &SHA1context );
- lutil_SHA1Update( &SHA1context,
- (const unsigned char *)passwd->bv_val, passwd->bv_len );
- lutil_SHA1Final( SHA1digest, &SHA1context );
-
- return pw_string64( scheme, &digest, NULL);
-}
-#endif
-
-static struct berval *hash_smd5(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
-{
- lutil_MD5_CTX MD5context;
- unsigned char MD5digest[LUTIL_MD5_BYTES];
- unsigned char saltdata[4];
- struct berval digest;
- struct berval salt;
-
- digest.bv_val = MD5digest;
- digest.bv_len = sizeof(MD5digest);
- salt.bv_val = saltdata;
- salt.bv_len = sizeof(saltdata);
-
- if( lutil_entropy( salt.bv_val, salt.bv_len) < 0 ) {
- return NULL;
- }
-
- lutil_MD5Init( &MD5context );
- lutil_MD5Update( &MD5context,
- (const unsigned char *) passwd->bv_val, passwd->bv_len );
- lutil_MD5Update( &MD5context,
- (const unsigned char *) salt.bv_val, salt.bv_len );
- lutil_MD5Final( MD5digest, &MD5context );
-
- return pw_string64( scheme, &digest, &salt );
-}
-
-static struct berval *hash_md5(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
-{
- lutil_MD5_CTX MD5context;
- unsigned char MD5digest[LUTIL_MD5_BYTES];
-
- struct berval digest;
-
- digest.bv_val = MD5digest;
- digest.bv_len = sizeof(MD5digest);
-
- lutil_MD5Init( &MD5context );
- lutil_MD5Update( &MD5context,
- (const unsigned char *) passwd->bv_val, passwd->bv_len );
- lutil_MD5Final( MD5digest, &MD5context );
-
- return pw_string64( scheme, &digest, NULL );
-;
-}
-
-#ifdef SLAPD_CRYPT
-static struct berval *hash_crypt(
- const struct pw_scheme *scheme,
- const struct berval *passwd )
-{
- struct berval hash;
- unsigned char salt[3];
- int i;
-
- for( i=0; i<passwd->bv_len; i++) {
- if(passwd->bv_val[i] == '\0') {
- return NULL; /* NUL character in password */
- }
- }
-
- if( passwd->bv_val[i] != '\0' ) {
- return NULL; /* passwd must behave like a string */
- }
-
- if( lutil_entropy( salt, sizeof(salt)) < 0 ) {
- return NULL;
- }
-
- salt[0] = crypt64[ salt[0] % (sizeof(crypt64)-1) ];
- salt[1] = crypt64[ salt[1] % (sizeof(crypt64)-1) ];
- salt[2] = '\0';
-
- hash.bv_val = crypt( passwd->bv_val, salt );
-
- if( hash.bv_val == NULL ) return NULL;
-
- hash.bv_len = strlen( hash.bv_val );
-
- if( hash.bv_len == 0 ) {
- return NULL;
- }
-
- return pw_string( scheme, &hash );
-}
-#endif
-#endif
-#endif /* SLAPD_AUTHPASSWD */
projects / openldap / commitdiff