--- /dev/null
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include <string.h>
+#include <unistd.h>
+
+#include <lber.h>
+#include <lber_pvt.h> /* BER_BVC definition */
+#include "lutil.h"
+
+#ifdef HAVE_KRB5
+#include <krb5.h>
+#elif defined(HAVE_KRB4)
+#include <krb.h>
+#endif
+
+/* From <ldap_pvt.h> */
+LDAP_F( char *) ldap_pvt_get_fqdn LDAP_P(( char * ));
+
+static LUTIL_PASSWD_CHK_FUNC chk_kerberos;
+static const struct berval scheme = BER_BVC("{KERBEROS}");
+
+static int chk_kerberos(
+ const struct berval *sc,
+ const struct berval * passwd,
+ const struct berval * cred,
+ const char **text )
+{
+ unsigned 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_cred_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;
+}
+
+int init_module(int argc, char *argv[]) {
+ return lutil_passwd_add( (struct berval *)&scheme, chk_kerberos, NULL );
+}
--- /dev/null
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include <string.h>
+#include <unistd.h>
+
+#include <lber.h>
+#include <lber_pvt.h>
+#include "lutil.h"
+#include "lutil_md5.h"
+
+static LUTIL_PASSWD_CHK_FUNC chk_ns_mta_md5;
+static const struct berval scheme = BER_BVC("{NS-MTA-MD5}");
+
+#define NS_MTA_MD5_PASSLEN 64
+static int chk_ns_mta_md5(
+ const struct berval *scheme,
+ const struct berval *passwd,
+ const struct berval *cred,
+ const char **text )
+{
+ lutil_MD5_CTX MD5context;
+ unsigned char MD5digest[LUTIL_MD5_BYTES], c;
+ char buffer[LUTIL_MD5_BYTES*2];
+ int i;
+
+ if( passwd->bv_len != NS_MTA_MD5_PASSLEN ) {
+ return 1;
+ }
+
+ /* hash credentials with salt */
+ lutil_MD5Init(&MD5context);
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) &passwd->bv_val[32],
+ 32 );
+
+ c = 0x59;
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) &c,
+ 1 );
+
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) cred->bv_val,
+ cred->bv_len );
+
+ c = 0xF7;
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) &c,
+ 1 );
+
+ lutil_MD5Update(&MD5context,
+ (const unsigned char *) &passwd->bv_val[32],
+ 32 );
+
+ lutil_MD5Final(MD5digest, &MD5context);
+
+ for( i=0; i < sizeof( MD5digest ); i++ ) {
+ buffer[i+i] = "0123456789abcdef"[(MD5digest[i]>>4) & 0x0F];
+ buffer[i+i+1] = "0123456789abcdef"[ MD5digest[i] & 0x0F];
+ }
+
+ /* compare */
+ return memcmp((char *)passwd->bv_val,
+ (char *)buffer, sizeof(buffer)) ? 1 : 0;
+}
+
+int init_module(int argc, char *argv[]) {
+ return lutil_passwd_add( (struct berval *)&scheme, chk_ns_mta_md5, NULL );
+}
projects / openldap / commitdiff