]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/saslauthz.c
add authzSyntax for authzTo/authzFrom attributes; add X-ORDERED 'VALUES' if support...
[openldap] / servers / slapd / saslauthz.c
index 379e85e38e14ac85aea6b8aa03c94a101cb2c862..3e28af1fd6b9bfe390b9b2c573dd8991a2a4feb4 100644 (file)
@@ -1,7 +1,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
  * Portions Copyright 2000 Mark Adamson, Carnegie Mellon.
  * All rights reserved.
  *
@@ -17,6 +17,9 @@
 #include "portable.h"
 
 #include <stdio.h>
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
 
 #include <ac/stdlib.h>
 #include <ac/string.h>
@@ -24,9 +27,6 @@
 
 #include "slap.h"
 
-#include <limits.h>
-
-#include <ldap_pvt.h>
 #include "lutil.h"
 
 #define SASLREGEX_REPLACE 10
@@ -37,6 +37,7 @@
 #define LDAP_X_SCOPE_SUBTREE   ((ber_int_t) 0x0040)
 #define LDAP_X_SCOPE_ONELEVEL  ((ber_int_t) 0x0050)
 #define LDAP_X_SCOPE_GROUP     ((ber_int_t) 0x0060)
+#define LDAP_X_SCOPE_USERS     ((ber_int_t) 0x0070)
 
 /*
  * IDs in DNauthzid form can now have a type specifier, that
@@ -72,131 +73,874 @@ typedef struct sasl_regexp {
   int sr_offset[SASLREGEX_REPLACE+2];  /* offsets of $1,$2... in *replace */
 } SaslRegexp_t;
 
-static int nSaslRegexp = 0;
-static SaslRegexp_t *SaslRegexp = NULL;
+static int nSaslRegexp = 0;
+static SaslRegexp_t *SaslRegexp = NULL;
+
+#ifdef SLAP_AUTH_REWRITE
+#include "rewrite.h"
+struct rewrite_info    *sasl_rwinfo = NULL;
+#define AUTHID_CONTEXT "authid"
+#endif /* SLAP_AUTH_REWRITE */
+
+/* What SASL proxy authorization policies are allowed? */
+#define        SASL_AUTHZ_NONE 0x00
+#define        SASL_AUTHZ_FROM 0x01
+#define        SASL_AUTHZ_TO   0x02
+#define SASL_AUTHZ_AND 0x10
+
+static const char *policy_txt[] = {
+       "none", "from", "to", "any"
+};
+
+static int authz_policy = SASL_AUTHZ_NONE;
+
+static int
+slap_sasl_match( Operation *opx, struct berval *rule,
+       struct berval *assertDN, struct berval *authc );
+
+int slap_sasl_setpolicy( const char *arg )
+{
+       int rc = LDAP_SUCCESS;
+
+       if ( strcasecmp( arg, "none" ) == 0 ) {
+               authz_policy = SASL_AUTHZ_NONE;
+       } else if ( strcasecmp( arg, "from" ) == 0 ) {
+               authz_policy = SASL_AUTHZ_FROM;
+       } else if ( strcasecmp( arg, "to" ) == 0 ) {
+               authz_policy = SASL_AUTHZ_TO;
+       } else if ( strcasecmp( arg, "both" ) == 0 || strcasecmp( arg, "any" ) == 0 ) {
+               authz_policy = SASL_AUTHZ_FROM | SASL_AUTHZ_TO;
+       } else if ( strcasecmp( arg, "all" ) == 0 ) {
+               authz_policy = SASL_AUTHZ_FROM | SASL_AUTHZ_TO | SASL_AUTHZ_AND;
+       } else {
+               rc = LDAP_OTHER;
+       }
+       return rc;
+}
+
+const char * slap_sasl_getpolicy()
+{
+       if ( authz_policy == (SASL_AUTHZ_FROM | SASL_AUTHZ_TO | SASL_AUTHZ_AND) )
+               return "all";
+       else
+               return policy_txt[authz_policy];
+}
+
+int slap_parse_user( struct berval *id, struct berval *user,
+               struct berval *realm, struct berval *mech )
+{
+       char    u;
+       
+       assert( id != NULL );
+       assert( !BER_BVISNULL( id ) );
+       assert( user != NULL );
+       assert( realm != NULL );
+       assert( mech != NULL );
+
+       u = id->bv_val[ 0 ];
+       
+       if ( u != 'u' && u != 'U' ) {
+               /* called with something other than u: */
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       /* uauthzid form:
+        *              u[.mech[/realm]]:user
+        */
+       
+       user->bv_val = strchr( id->bv_val, ':' );
+       if ( BER_BVISNULL( user ) ) {
+               return LDAP_PROTOCOL_ERROR;
+       }
+       user->bv_val[ 0 ] = '\0';
+       user->bv_val++;
+       user->bv_len = id->bv_len - ( user->bv_val - id->bv_val );
+
+       mech->bv_val = strchr( id->bv_val, '.' );
+       if ( !BER_BVISNULL( mech ) ) {
+               mech->bv_val[ 0 ] = '\0';
+               mech->bv_val++;
+
+               realm->bv_val = strchr( mech->bv_val, '/' );
+
+               if ( !BER_BVISNULL( realm ) ) {
+                       realm->bv_val[ 0 ] = '\0';
+                       realm->bv_val++;
+                       mech->bv_len = realm->bv_val - mech->bv_val - 1;
+                       realm->bv_len = user->bv_val - realm->bv_val - 1;
+               } else {
+                       mech->bv_len = user->bv_val - mech->bv_val - 1;
+               }
+
+       } else {
+               BER_BVZERO( realm );
+       }
+
+       if ( id->bv_val[ 1 ] != '\0' ) {
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       if ( !BER_BVISNULL( mech ) ) {
+               assert( mech->bv_val == id->bv_val + 2 );
+
+               AC_MEMCPY( mech->bv_val - 2, mech->bv_val, mech->bv_len + 1 );
+               mech->bv_val -= 2;
+       }
+
+       if ( !BER_BVISNULL( realm ) ) {
+               assert( realm->bv_val >= id->bv_val + 2 );
+
+               AC_MEMCPY( realm->bv_val - 2, realm->bv_val, realm->bv_len + 1 );
+               realm->bv_val -= 2;
+       }
+
+       /* leave "u:" before user */
+       user->bv_val -= 2;
+       user->bv_len += 2;
+       user->bv_val[ 0 ] = u;
+       user->bv_val[ 1 ] = ':';
+
+       return LDAP_SUCCESS;
+}
+
+#ifdef SLAP_AUTHZ_SYNTAX
+int
+authzValidate(
+       Syntax *syntax,
+       struct berval *in )
+{
+       struct berval   bv;
+       int             rc = LDAP_INVALID_SYNTAX;
+       LDAPURLDesc     *ludp = NULL;
+       int             scope = -1;
+
+       /*
+        * 1) <DN>
+        * 2) dn[.{exact|children|subtree|onelevel}]:{*|<DN>}
+        * 3) dn.regex:<pattern>
+        * 4) u[.mech[/realm]]:<ID>
+        * 5) group[/<groupClass>[/<memberAttr>]]:<DN>
+        * 6) <URL>
+        */
+
+       assert( in != NULL );
+       assert( !BER_BVISNULL( in ) );
+
+       Debug( LDAP_DEBUG_TRACE,
+               "authzValidate: parsing %s\n", in->bv_val, 0, 0 );
+
+       /*
+        * 2) dn[.{exact|children|subtree|onelevel}]:{*|<DN>}
+        * 3) dn.regex:<pattern>
+        *
+        * <DN> must pass DN normalization
+        */
+       if ( !strncasecmp( in->bv_val, "dn", STRLENOF( "dn" ) ) ) {
+               bv.bv_val = in->bv_val + STRLENOF( "dn" );
+
+               if ( bv.bv_val[ 0 ] == '.' ) {
+                       bv.bv_val++;
+
+                       if ( !strncasecmp( bv.bv_val, "exact:", STRLENOF( "exact:" ) ) ) {
+                               bv.bv_val += STRLENOF( "exact:" );
+                               scope = LDAP_X_SCOPE_EXACT;
+
+                       } else if ( !strncasecmp( bv.bv_val, "regex:", STRLENOF( "regex:" ) ) ) {
+                               bv.bv_val += STRLENOF( "regex:" );
+                               scope = LDAP_X_SCOPE_REGEX;
+
+                       } else if ( !strncasecmp( bv.bv_val, "children:", STRLENOF( "children:" ) ) ) {
+                               bv.bv_val += STRLENOF( "children:" );
+                               scope = LDAP_X_SCOPE_CHILDREN;
+
+                       } else if ( !strncasecmp( bv.bv_val, "subtree:", STRLENOF( "subtree:" ) ) ) {
+                               bv.bv_val += STRLENOF( "subtree:" );
+                               scope = LDAP_X_SCOPE_SUBTREE;
+
+                       } else if ( !strncasecmp( bv.bv_val, "onelevel:", STRLENOF( "onelevel:" ) ) ) {
+                               bv.bv_val += STRLENOF( "onelevel:" );
+                               scope = LDAP_X_SCOPE_ONELEVEL;
+
+                       } else {
+                               return LDAP_INVALID_SYNTAX;
+                       }
+
+               } else {
+                       if ( bv.bv_val[ 0 ] != ':' ) {
+                               return LDAP_INVALID_SYNTAX;
+                       }
+                       scope = LDAP_X_SCOPE_EXACT;
+                       bv.bv_val++;
+               }
+
+               bv.bv_val += strspn( bv.bv_val, " " );
+               /* jump here in case no type specification was present
+                * and uri was not an URI... HEADS-UP: assuming EXACT */
+is_dn:         bv.bv_len = in->bv_len - ( bv.bv_val - in->bv_val );
+
+               /* a single '*' means any DN without using regexes */
+               if ( ber_bvccmp( &bv, '*' ) ) {
+                       /* LDAP_X_SCOPE_USERS */
+                       return LDAP_SUCCESS;
+               }
+
+               switch ( scope ) {
+               case LDAP_X_SCOPE_EXACT:
+               case LDAP_X_SCOPE_CHILDREN:
+               case LDAP_X_SCOPE_SUBTREE:
+               case LDAP_X_SCOPE_ONELEVEL:
+                       return dnValidate( NULL, &bv );
+
+               case LDAP_X_SCOPE_REGEX:
+                       return LDAP_SUCCESS;
+               }
+
+               return rc;
+
+       /*
+        * 4) u[.mech[/realm]]:<ID>
+        */
+       } else if ( ( in->bv_val[ 0 ] == 'u' || in->bv_val[ 0 ] == 'U' )
+                       && ( in->bv_val[ 1 ] == ':' 
+                               || in->bv_val[ 1 ] == '/' 
+                               || in->bv_val[ 1 ] == '.' ) )
+       {
+               char            buf[ SLAP_LDAPDN_MAXLEN ];
+               struct berval   id,
+                               user = BER_BVNULL,
+                               realm = BER_BVNULL,
+                               mech = BER_BVNULL;
+
+               if ( sizeof( buf ) <= in->bv_len ) {
+                       return LDAP_INVALID_SYNTAX;
+               }
+
+               id.bv_len = in->bv_len;
+               id.bv_val = buf;
+               strncpy( buf, in->bv_val, sizeof( buf ) );
+
+               rc = slap_parse_user( &id, &user, &realm, &mech );
+               if ( rc != LDAP_SUCCESS ) {
+                       return LDAP_INVALID_SYNTAX;
+               }
+
+               return rc;
+
+       /*
+        * 5) group[/groupClass[/memberAttr]]:<DN>
+        *
+        * <groupClass> defaults to "groupOfNames"
+        * <memberAttr> defaults to "member"
+        * 
+        * <DN> must pass DN normalization
+        */
+       } else if ( strncasecmp( in->bv_val, "group", STRLENOF( "group" ) ) == 0 )
+       {
+               struct berval   group_dn = BER_BVNULL,
+                               group_oc = BER_BVNULL,
+                               member_at = BER_BVNULL;
+
+               bv.bv_val = in->bv_val + STRLENOF( "group" );
+               group_dn.bv_val = strchr( bv.bv_val, ':' );
+               if ( group_dn.bv_val == NULL ) {
+                       /* last chance: assume it's a(n exact) DN ... */
+                       bv.bv_val = in->bv_val;
+                       scope = LDAP_X_SCOPE_EXACT;
+                       goto is_dn;
+               }
+               
+               /*
+                * FIXME: we assume that "member" and "groupOfNames"
+                * are present in schema...
+                */
+               if ( bv.bv_val[ 0 ] == '/' ) {
+                       group_oc.bv_val = &bv.bv_val[ 1 ];
+
+                       member_at.bv_val = strchr( group_oc.bv_val, '/' );
+                       if ( member_at.bv_val ) {
+                               AttributeDescription    *ad = NULL;
+                               const char              *text = NULL;
+
+                               group_oc.bv_len = member_at.bv_val - group_oc.bv_val;
+                               member_at.bv_val++;
+                               member_at.bv_len = group_dn.bv_val - member_at.bv_val;
+                               rc = slap_bv2ad( &member_at, &ad, &text );
+                               if ( rc != LDAP_SUCCESS ) {
+                                       return rc;
+                               }
+
+                       } else {
+                               group_oc.bv_len = group_dn.bv_val - group_oc.bv_val;
+
+                               if ( oc_bvfind( &group_oc ) == NULL ) {
+                                       return LDAP_INVALID_SYNTAX;
+                               }
+                       }
+               }
+
+               group_dn.bv_val++;
+               group_dn.bv_len = in->bv_len - ( group_dn.bv_val - in->bv_val );
+
+               rc = dnValidate( NULL, &group_dn );
+               if ( rc != LDAP_SUCCESS ) {
+                       return rc;
+               }
+
+               return rc;
+       }
+
+       /*
+        * ldap:///<base>??<scope>?<filter>
+        * <scope> ::= {base|one|subtree}
+        *
+        * <scope> defaults to "base"
+        * <base> must pass DN normalization
+        * <filter> must pass str2filter()
+        */
+       rc = ldap_url_parse( in->bv_val, &ludp );
+       switch ( rc ) {
+       case LDAP_URL_SUCCESS:
+               /* FIXME: the check is pedantic, but I think it's necessary,
+                * because people tend to use things like ldaps:// which
+                * gives the idea SSL is being used.  Maybe we could
+                * accept ldapi:// as well, but the point is that we use
+                * an URL as an easy means to define bits of a search with
+                * little parsing.
+                */
+               if ( strcasecmp( ludp->lud_scheme, "ldap" ) != 0 ) {
+                       /*
+                        * must be ldap:///
+                        */
+                       rc = LDAP_INVALID_SYNTAX;
+                       goto done;
+               }
+               break;
+
+       case LDAP_URL_ERR_BADSCHEME:
+               /*
+                * last chance: assume it's a(n exact) DN ...
+                *
+                * NOTE: must pass DN normalization
+                */
+               ldap_free_urldesc( ludp );
+               bv.bv_val = in->bv_val;
+               scope = LDAP_X_SCOPE_EXACT;
+               goto is_dn;
+
+       default:
+               rc = LDAP_INVALID_SYNTAX;
+               goto done;
+       }
+
+       if ( ( ludp->lud_host && *ludp->lud_host )
+               || ludp->lud_attrs || ludp->lud_exts )
+       {
+               /* host part must be empty */
+               /* attrs and extensions parts must be empty */
+               rc = LDAP_INVALID_SYNTAX;
+               goto done;
+       }
+
+       /* Grab the filter */
+       if ( ludp->lud_filter ) {
+               Filter  *f = str2filter( ludp->lud_filter );
+               if ( f == NULL ) {
+                       rc = LDAP_INVALID_SYNTAX;
+                       goto done;
+               }
+               filter_free( f );
+       }
+
+       /* Grab the searchbase */
+       assert( ludp->lud_dn );
+       ber_str2bv( ludp->lud_dn, 0, 0, &bv );
+       rc = dnValidate( NULL, &bv );
+
+done:
+       ldap_free_urldesc( ludp );
+       return( rc );
+}
+
+#if 0
+int
+authzMatch(
+       int             *matchp,
+       slap_mask_t     flags,
+       Syntax          *syntax,
+       MatchingRule    *mr,
+       struct berval   *value,
+       void            *assertedValue )
+{
+       return octetStringMatch( matchp, flags, syntax, mr, value, assertedValue );
+}
+#endif
+
+static int
+authzPrettyNormal(
+       struct berval   *val,
+       struct berval   *normalized,
+       void            *ctx,
+       int             normalize )
+{
+       struct berval   bv;
+       int             rc = LDAP_INVALID_SYNTAX;
+       LDAPURLDesc     *ludp = NULL;
+       char            *lud_dn = NULL,
+                       *lud_filter = NULL;
+       int             scope = -1;
+
+       /*
+        * 1) <DN>
+        * 2) dn[.{exact|children|subtree|onelevel}]:{*|<DN>}
+        * 3) dn.regex:<pattern>
+        * 4) u[.mech[/realm]]:<ID>
+        * 5) group[/<groupClass>[/<memberAttr>]]:<DN>
+        * 6) <URL>
+        */
+
+       assert( val != NULL );
+       assert( !BER_BVISNULL( val ) );
+
+       /*
+        * 2) dn[.{exact|children|subtree|onelevel}]:{*|<DN>}
+        * 3) dn.regex:<pattern>
+        *
+        * <DN> must pass DN normalization
+        */
+       if ( !strncasecmp( val->bv_val, "dn", STRLENOF( "dn" ) ) ) {
+               struct berval   out = BER_BVNULL,
+                               prefix = BER_BVNULL;
+               char            *ptr;
+
+               bv.bv_val = val->bv_val + STRLENOF( "dn" );
+
+               if ( bv.bv_val[ 0 ] == '.' ) {
+                       bv.bv_val++;
+
+                       if ( !strncasecmp( bv.bv_val, "exact:", STRLENOF( "exact:" ) ) ) {
+                               bv.bv_val += STRLENOF( "exact:" );
+                               scope = LDAP_X_SCOPE_EXACT;
+
+                       } else if ( !strncasecmp( bv.bv_val, "regex:", STRLENOF( "regex:" ) ) ) {
+                               bv.bv_val += STRLENOF( "regex:" );
+                               scope = LDAP_X_SCOPE_REGEX;
+
+                       } else if ( !strncasecmp( bv.bv_val, "children:", STRLENOF( "children:" ) ) ) {
+                               bv.bv_val += STRLENOF( "children:" );
+                               scope = LDAP_X_SCOPE_CHILDREN;
+
+                       } else if ( !strncasecmp( bv.bv_val, "subtree:", STRLENOF( "subtree:" ) ) ) {
+                               bv.bv_val += STRLENOF( "subtree:" );
+                               scope = LDAP_X_SCOPE_SUBTREE;
+
+                       } else if ( !strncasecmp( bv.bv_val, "onelevel:", STRLENOF( "onelevel:" ) ) ) {
+                               bv.bv_val += STRLENOF( "onelevel:" );
+                               scope = LDAP_X_SCOPE_ONELEVEL;
+
+                       } else {
+                               return LDAP_INVALID_SYNTAX;
+                       }
+
+               } else {
+                       if ( bv.bv_val[ 0 ] != ':' ) {
+                               return LDAP_INVALID_SYNTAX;
+                       }
+                       scope = LDAP_X_SCOPE_EXACT;
+                       bv.bv_val++;
+               }
+
+               bv.bv_val += strspn( bv.bv_val, " " );
+               /* jump here in case no type specification was present
+                * and uri was not an URI... HEADS-UP: assuming EXACT */
+is_dn:         bv.bv_len = val->bv_len - ( bv.bv_val - val->bv_val );
+
+               /* a single '*' means any DN without using regexes */
+               if ( ber_bvccmp( &bv, '*' ) ) {
+                       ber_str2bv_x( "dn:*", STRLENOF( "dn:*" ), 1, normalized, ctx );
+                       return LDAP_SUCCESS;
+               }
+
+               switch ( scope ) {
+               case LDAP_X_SCOPE_EXACT:
+               case LDAP_X_SCOPE_CHILDREN:
+               case LDAP_X_SCOPE_SUBTREE:
+               case LDAP_X_SCOPE_ONELEVEL:
+                       if ( normalize ) {
+                               rc = dnNormalize( 0, NULL, NULL, &bv, &out, ctx );
+                       } else {
+                               rc = dnPretty( NULL, &bv, &out, ctx );
+                       }
+                       if( rc != LDAP_SUCCESS ) {
+                               return LDAP_INVALID_SYNTAX;
+                       }
+                       break;
+
+               case LDAP_X_SCOPE_REGEX:
+                       normalized->bv_len = STRLENOF( "dn.regex:" ) + bv.bv_len;
+                       normalized->bv_val = ber_memalloc_x( normalized->bv_len + 1, ctx );
+                       ptr = lutil_strcopy( normalized->bv_val, "dn.regex:" );
+                       ptr = lutil_strncopy( ptr, bv.bv_val, bv.bv_len );
+                       ptr[ 0 ] = '\0';
+                       return LDAP_SUCCESS;
+
+               default:
+                       return LDAP_INVALID_SYNTAX;
+               }
+
+               /* prepare prefix */
+               switch ( scope ) {
+               case LDAP_X_SCOPE_EXACT:
+                       BER_BVSTR( &prefix, "dn:" );
+                       break;
+
+               case LDAP_X_SCOPE_CHILDREN:
+                       BER_BVSTR( &prefix, "dn.children:" );
+                       break;
+
+               case LDAP_X_SCOPE_SUBTREE:
+                       BER_BVSTR( &prefix, "dn.subtree:" );
+                       break;
+
+               case LDAP_X_SCOPE_ONELEVEL:
+                       BER_BVSTR( &prefix, "dn.onelevel:" );
+                       break;
+
+               default:
+                       assert( 0 );
+                       break;
+               }
+
+               normalized->bv_len = prefix.bv_len + out.bv_len;
+               normalized->bv_val = ber_memalloc_x( normalized->bv_len + 1, ctx );
+               
+               ptr = lutil_strcopy( normalized->bv_val, prefix.bv_val );
+               ptr = lutil_strncopy( ptr, out.bv_val, out.bv_len );
+               ptr[ 0 ] = '\0';
+               ber_memfree_x( out.bv_val, ctx );
+
+               return LDAP_SUCCESS;
+
+       /*
+        * 4) u[.mech[/realm]]:<ID>
+        */
+       } else if ( ( val->bv_val[ 0 ] == 'u' || val->bv_val[ 0 ] == 'U' )
+                       && ( val->bv_val[ 1 ] == ':' 
+                               || val->bv_val[ 1 ] == '/' 
+                               || val->bv_val[ 1 ] == '.' ) )
+       {
+               char            buf[ SLAP_LDAPDN_MAXLEN ];
+               struct berval   id,
+                               user = BER_BVNULL,
+                               realm = BER_BVNULL,
+                               mech = BER_BVNULL;
+
+               if ( sizeof( buf ) <= val->bv_len ) {
+                       return LDAP_INVALID_SYNTAX;
+               }
+
+               id.bv_len = val->bv_len;
+               id.bv_val = buf;
+               strncpy( buf, val->bv_val, sizeof( buf ) );
+
+               rc = slap_parse_user( &id, &user, &realm, &mech );
+               if ( rc != LDAP_SUCCESS ) {
+                       return LDAP_INVALID_SYNTAX;
+               }
+
+               ber_dupbv_x( normalized, val, ctx );
+
+               return rc;
+
+       /*
+        * 5) group[/groupClass[/memberAttr]]:<DN>
+        *
+        * <groupClass> defaults to "groupOfNames"
+        * <memberAttr> defaults to "member"
+        * 
+        * <DN> must pass DN normalization
+        */
+       } else if ( strncasecmp( val->bv_val, "group", STRLENOF( "group" ) ) == 0 )
+       {
+               struct berval   group_dn = BER_BVNULL,
+                               group_oc = BER_BVNULL,
+                               member_at = BER_BVNULL,
+                               out = BER_BVNULL;
+               char            *ptr;
+
+               bv.bv_val = val->bv_val + STRLENOF( "group" );
+               group_dn.bv_val = strchr( bv.bv_val, ':' );
+               if ( group_dn.bv_val == NULL ) {
+                       /* last chance: assume it's a(n exact) DN ... */
+                       bv.bv_val = val->bv_val;
+                       scope = LDAP_X_SCOPE_EXACT;
+                       goto is_dn;
+               }
+
+               /*
+                * FIXME: we assume that "member" and "groupOfNames"
+                * are present in schema...
+                */
+               if ( bv.bv_val[ 0 ] == '/' ) {
+                       group_oc.bv_val = &bv.bv_val[ 1 ];
+
+                       member_at.bv_val = strchr( group_oc.bv_val, '/' );
+                       if ( member_at.bv_val ) {
+                               AttributeDescription    *ad = NULL;
+                               const char              *text = NULL;
+
+                               group_oc.bv_len = member_at.bv_val - group_oc.bv_val;
+                               member_at.bv_val++;
+                               member_at.bv_len = group_dn.bv_val - member_at.bv_val;
+                               rc = slap_bv2ad( &member_at, &ad, &text );
+                               if ( rc != LDAP_SUCCESS ) {
+                                       return rc;
+                               }
+
+                               member_at = ad->ad_cname;
+
+                       } else {
+                               ObjectClass             *oc = NULL;
+
+                               group_oc.bv_len = group_dn.bv_val - group_oc.bv_val;
+
+                               oc = oc_bvfind( &group_oc );
+                               if ( oc == NULL ) {
+                                       return LDAP_INVALID_SYNTAX;
+                               }
+
+                               group_oc = oc->soc_cname;
+                       }
+               }
+
+               group_dn.bv_val++;
+               group_dn.bv_len = val->bv_len - ( group_dn.bv_val - val->bv_val );
+
+               if ( normalize ) {
+                       rc = dnNormalize( 0, NULL, NULL, &group_dn, &out, ctx );
+               } else {
+                       rc = dnPretty( NULL, &group_dn, &out, ctx );
+               }
+               if ( rc != LDAP_SUCCESS ) {
+                       return rc;
+               }
+
+               normalized->bv_len = STRLENOF( "group" ":" ) + out.bv_len;
+               if ( !BER_BVISNULL( &group_oc ) ) {
+                       normalized->bv_len += STRLENOF( "/" ) + group_oc.bv_len;
+                       if ( !BER_BVISNULL( &member_at ) ) {
+                               normalized->bv_len += STRLENOF( "/" ) + member_at.bv_len;
+                       }
+               }
 
-#ifdef SLAP_AUTH_REWRITE
-#include "rewrite.h"
-struct rewrite_info    *sasl_rwinfo = NULL;
-#define AUTHID_CONTEXT "authid"
-#endif /* SLAP_AUTH_REWRITE */
+               normalized->bv_val = ber_memalloc_x( normalized->bv_len + 1, ctx );
+               ptr = lutil_strcopy( normalized->bv_val, "group" );
+               if ( !BER_BVISNULL( &group_oc ) ) {
+                       ptr[ 0 ] = '/';
+                       ptr++;
+                       ptr = lutil_strncopy( ptr, group_oc.bv_val, group_oc.bv_len );
+                       if ( !BER_BVISNULL( &member_at ) ) {
+                               ptr[ 0 ] = '/';
+                               ptr++;
+                               ptr = lutil_strncopy( ptr, member_at.bv_val, member_at.bv_len );
+                       }
+               }
+               ptr[ 0 ] = ':';
+               ptr++;
+               ptr = lutil_strncopy( ptr, out.bv_val, out.bv_len );
+               ptr[ 0 ] = '\0';
+               ber_memfree_x( out.bv_val, ctx );
 
-/* What SASL proxy authorization policies are allowed? */
-#define        SASL_AUTHZ_NONE 0x00
-#define        SASL_AUTHZ_FROM 0x01
-#define        SASL_AUTHZ_TO   0x02
-#define SASL_AUTHZ_AND 0x10
+               return rc;
+       }
 
-static int authz_policy = SASL_AUTHZ_NONE;
+       /*
+        * ldap:///<base>??<scope>?<filter>
+        * <scope> ::= {base|one|subtree}
+        *
+        * <scope> defaults to "base"
+        * <base> must pass DN normalization
+        * <filter> must pass str2filter()
+        */
+       rc = ldap_url_parse( val->bv_val, &ludp );
+       switch ( rc ) {
+       case LDAP_URL_SUCCESS:
+               /* FIXME: the check is pedantic, but I think it's necessary,
+                * because people tend to use things like ldaps:// which
+                * gives the idea SSL is being used.  Maybe we could
+                * accept ldapi:// as well, but the point is that we use
+                * an URL as an easy means to define bits of a search with
+                * little parsing.
+                */
+               if ( strcasecmp( ludp->lud_scheme, "ldap" ) != 0 ) {
+                       /*
+                        * must be ldap:///
+                        */
+                       rc = LDAP_INVALID_SYNTAX;
+                       goto done;
+               }
 
-static
-int slap_sasl_match( Operation *opx, struct berval *rule,
-       struct berval *assertDN, struct berval *authc );
+               AC_MEMCPY( ludp->lud_scheme, "ldap", STRLENOF( "ldap" ) );
+               break;
 
-int slap_sasl_setpolicy( const char *arg )
-{
-       int rc = LDAP_SUCCESS;
+       case LDAP_URL_ERR_BADSCHEME:
+               /*
+                * last chance: assume it's a(n exact) DN ...
+                *
+                * NOTE: must pass DN normalization
+                */
+               ldap_free_urldesc( ludp );
+               bv.bv_val = val->bv_val;
+               scope = LDAP_X_SCOPE_EXACT;
+               goto is_dn;
 
-       if ( strcasecmp( arg, "none" ) == 0 ) {
-               authz_policy = SASL_AUTHZ_NONE;
-       } else if ( strcasecmp( arg, "from" ) == 0 ) {
-               authz_policy = SASL_AUTHZ_FROM;
-       } else if ( strcasecmp( arg, "to" ) == 0 ) {
-               authz_policy = SASL_AUTHZ_TO;
-       } else if ( strcasecmp( arg, "both" ) == 0 || strcasecmp( arg, "any" ) == 0 ) {
-               authz_policy = SASL_AUTHZ_FROM | SASL_AUTHZ_TO;
-       } else if ( strcasecmp( arg, "all" ) == 0 ) {
-               authz_policy = SASL_AUTHZ_FROM | SASL_AUTHZ_TO | SASL_AUTHZ_AND;
-       } else {
-               rc = LDAP_OTHER;
+       default:
+               rc = LDAP_INVALID_SYNTAX;
+               goto done;
        }
-       return rc;
-}
-
-int slap_parse_user( struct berval *id, struct berval *user,
-               struct berval *realm, struct berval *mech )
-{
-       char    u;
-       
-       assert( id );
-       assert( !BER_BVISNULL( id ) );
-       assert( user );
-       assert( realm );
-       assert( mech );
 
-       u = id->bv_val[ 0 ];
-       
-       if ( u != 'u' && u != 'U' ) {
-               /* called with something other than u: */
-               return LDAP_PROTOCOL_ERROR;
+       if ( ( ludp->lud_host && *ludp->lud_host )
+               || ludp->lud_attrs || ludp->lud_exts )
+       {
+               /* host part must be empty */
+               /* attrs and extensions parts must be empty */
+               rc = LDAP_INVALID_SYNTAX;
+               goto done;
        }
 
-       /* uauthzid form:
-        *              u[.mech[/realm]]:user
-        */
-       
-       user->bv_val = strchr( id->bv_val, ':' );
-       if ( BER_BVISNULL( user ) ) {
-               return LDAP_PROTOCOL_ERROR;
+       /* Grab the filter */
+       if ( ludp->lud_filter ) {
+               struct berval   filterstr;
+               Filter          *f;
+
+               lud_filter = ludp->lud_filter;
+
+               f = str2filter( lud_filter );
+               if ( f == NULL ) {
+                       rc = LDAP_INVALID_SYNTAX;
+                       goto done;
+               }
+               filter2bv( f, &filterstr );
+               filter_free( f );
+               if ( BER_BVISNULL( &filterstr ) ) {
+                       rc = LDAP_INVALID_SYNTAX;
+                       goto done;
+               }
+
+               ludp->lud_filter = filterstr.bv_val;
        }
-       user->bv_val[ 0 ] = '\0';
-       user->bv_val++;
-       user->bv_len = id->bv_len - ( user->bv_val - id->bv_val );
 
-       mech->bv_val = strchr( id->bv_val, '.' );
-       if ( !BER_BVISNULL( mech ) ) {
-               mech->bv_val[ 0 ] = '\0';
-               mech->bv_val++;
+       /* Grab the searchbase */
+       assert( ludp->lud_dn );
+       if ( ludp->lud_dn ) {
+               struct berval   out = BER_BVNULL;
 
-               realm->bv_val = strchr( mech->bv_val, '/' );
+               lud_dn = ludp->lud_dn;
 
-               if ( !BER_BVISNULL( realm ) ) {
-                       realm->bv_val[ 0 ] = '\0';
-                       realm->bv_val++;
-                       mech->bv_len = realm->bv_val - mech->bv_val - 1;
-                       realm->bv_len = user->bv_val - realm->bv_val - 1;
+               ber_str2bv( lud_dn, 0, 0, &bv );
+               if ( normalize ) {
+                       rc = dnNormalize( 0, NULL, NULL, &bv, &out, ctx );
                } else {
-                       mech->bv_len = user->bv_val - mech->bv_val - 1;
+                       rc = dnPretty( NULL, &bv, &out, ctx );
                }
 
-       } else {
-               BER_BVZERO( realm );
-       }
+               if ( rc != LDAP_SUCCESS ) {
+                       goto done;
+               }
 
-       if ( id->bv_val[ 1 ] != '\0' ) {
-               return LDAP_PROTOCOL_ERROR;
+               ludp->lud_dn = out.bv_val;
        }
 
-       if ( !BER_BVISNULL( mech ) ) {
-               assert( mech->bv_val == id->bv_val + 2 );
+       ludp->lud_port = 0;
+       normalized->bv_val = ldap_url_desc2str( ludp );
+       if ( normalized->bv_val ) {
+               normalized->bv_len = strlen( normalized->bv_val );
 
-               AC_MEMCPY( mech->bv_val - 2, mech->bv_val, mech->bv_len + 1 );
-               mech->bv_val -= 2;
+       } else {
+               rc = LDAP_INVALID_SYNTAX;
        }
 
-       if ( !BER_BVISNULL( realm ) ) {
-               assert( realm->bv_val >= id->bv_val + 2 );
+done:
+       if ( lud_filter ) {
+               if ( ludp->lud_filter != lud_filter ) {
+                       ber_memfree( ludp->lud_filter );
+               }
+               ludp->lud_filter = lud_filter;
+       }
 
-               AC_MEMCPY( realm->bv_val - 2, realm->bv_val, realm->bv_len + 1 );
-               realm->bv_val -= 2;
+       if ( lud_dn ) {
+               if ( ludp->lud_dn != lud_dn ) {
+                       ber_memfree( ludp->lud_dn );
+               }
+               ludp->lud_dn = lud_dn;
        }
 
-       /* leave "u:" before user */
-       user->bv_val -= 2;
-       user->bv_len += 2;
-       user->bv_val[ 0 ] = u;
-       user->bv_val[ 1 ] = ':';
+       ldap_free_urldesc( ludp );
 
-       return LDAP_SUCCESS;
+       return( rc );
 }
 
-static int slap_parseURI( Operation *op, struct berval *uri,
-       struct berval *base, struct berval *nbase,
-       int *scope, Filter **filter, struct berval *fstr )
+int
+authzNormalize(
+       slap_mask_t     usage,
+       Syntax          *syntax,
+       MatchingRule    *mr,
+       struct berval   *val,
+       struct berval   *normalized,
+       void            *ctx )
 {
-       struct berval bv;
-       int rc;
-       LDAPURLDesc *ludp;
+       int             rc;
+
+       Debug( LDAP_DEBUG_TRACE, ">>> authzNormalize: <%s>\n",
+               val->bv_val, 0, 0 );
+
+       rc = authzPrettyNormal( val, normalized, ctx, 1 );
+
+       Debug( LDAP_DEBUG_TRACE, "<<< authzNormalize: <%s> (%d)\n",
+               normalized->bv_val, rc, 0 );
+
+       return rc;
+}
+
+int
+authzPretty(
+       Syntax *syntax,
+       struct berval *val,
+       struct berval *out,
+       void *ctx)
+{
+       int             rc;
+
+       Debug( LDAP_DEBUG_TRACE, ">>> authzPretty: <%s>\n",
+               val->bv_val, 0, 0 );
+
+       rc = authzPrettyNormal( val, out, ctx, 0 );
+
+       Debug( LDAP_DEBUG_TRACE, "<<< authzPretty: <%s> (%d)\n",
+               out->bv_val, rc, 0 );
+
+       return rc;
+}
+
+#endif /* SLAP_AUTHZ_SYNTAX */
+
+static int
+slap_parseURI(
+       Operation       *op,
+       struct berval   *uri,
+       struct berval   *base,
+       struct berval   *nbase,
+       int             *scope,
+       Filter          **filter,
+       struct berval   *fstr,
+       int             normalize )
+{
+       struct berval   bv;
+       int             rc;
+       LDAPURLDesc     *ludp;
+
+#ifdef SLAP_ORDERED_PRETTYNORM
+       struct berval   idx;
+#endif /* SLAP_ORDERED_PRETTYNORM */
 
        assert( uri != NULL && !BER_BVISNULL( uri ) );
        BER_BVZERO( base );
@@ -205,15 +949,26 @@ static int slap_parseURI( Operation *op, struct berval *uri,
        *scope = -1;
        *filter = NULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_parseURI: parsing %s\n", uri->bv_val, 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "slap_parseURI: parsing %s\n", uri->bv_val, 0, 0 );
-#endif
 
        rc = LDAP_PROTOCOL_ERROR;
+
+#ifdef SLAP_ORDERED_PRETTYNORM
+       idx = *uri;
+       if ( idx.bv_val[ 0 ] == '{' ) {
+               char    *ptr;
+
+               ptr = strchr( idx.bv_val, '}' ) + 1;
+
+               assert( ptr != (void *)1 );
+
+               idx.bv_len -= ptr - idx.bv_val;
+               idx.bv_val = ptr;
+               uri = &idx;
+       }
+#endif /* SLAP_ORDERED_PRETTYNORM */
+
        /*
         * dn[.<dnstyle>]:<dnpattern>
         * <dnstyle> ::= {exact|regex|children|subtree|onelevel}
@@ -264,19 +1019,31 @@ static int slap_parseURI( Operation *op, struct berval *uri,
                 * and uri was not an URI... HEADS-UP: assuming EXACT */
 is_dn:         bv.bv_len = uri->bv_len - (bv.bv_val - uri->bv_val);
 
+               /* a single '*' means any DN without using regexes */
+               if ( ber_bvccmp( &bv, '*' ) ) {
+                       *scope = LDAP_X_SCOPE_USERS;
+               }
+
                switch ( *scope ) {
                case LDAP_X_SCOPE_EXACT:
                case LDAP_X_SCOPE_CHILDREN:
                case LDAP_X_SCOPE_SUBTREE:
                case LDAP_X_SCOPE_ONELEVEL:
-                       rc = dnNormalize( 0, NULL, NULL, &bv, nbase, op->o_tmpmemctx );
-                       if( rc != LDAP_SUCCESS ) {
-                               *scope = -1;
+                       if ( normalize ) {
+                               rc = dnNormalize( 0, NULL, NULL, &bv, nbase, op->o_tmpmemctx );
+                               if( rc != LDAP_SUCCESS ) {
+                                       *scope = -1;
+                               }
+                       } else {
+                               ber_dupbv_x( nbase, &bv, op->o_tmpmemctx );
+                               rc = LDAP_SUCCESS;
                        }
                        break;
 
                case LDAP_X_SCOPE_REGEX:
                        ber_dupbv_x( nbase, &bv, op->o_tmpmemctx );
+
+               case LDAP_X_SCOPE_USERS:
                        rc = LDAP_SUCCESS;
                        break;
 
@@ -365,19 +1132,24 @@ is_dn:           bv.bv_len = uri->bv_len - (bv.bv_val - uri->bv_val);
 
                        } else {
                                group_oc.bv_len = group_dn.bv_val - group_oc.bv_val;
-                               BER_BVSTR( &member_at, "member" );
+                               BER_BVSTR( &member_at, SLAPD_GROUP_ATTR );
                        }
 
                } else {
-                       BER_BVSTR( &group_oc, "groupOfNames" );
+                       BER_BVSTR( &group_oc, SLAPD_GROUP_CLASS );
                }
                group_dn.bv_val++;
                group_dn.bv_len = uri->bv_len - ( group_dn.bv_val - uri->bv_val );
 
-               rc = dnNormalize( 0, NULL, NULL, &group_dn, nbase, op->o_tmpmemctx );
-               if ( rc != LDAP_SUCCESS ) {
-                       *scope = -1;
-                       return rc;
+               if ( normalize ) {
+                       rc = dnNormalize( 0, NULL, NULL, &group_dn, nbase, op->o_tmpmemctx );
+                       if ( rc != LDAP_SUCCESS ) {
+                               *scope = -1;
+                               return rc;
+                       }
+               } else {
+                       ber_dupbv_x( nbase, &group_dn, op->o_tmpmemctx );
+                       rc = LDAP_SUCCESS;
                }
                *scope = LDAP_X_SCOPE_GROUP;
 
@@ -407,22 +1179,41 @@ is_dn:           bv.bv_len = uri->bv_len - (bv.bv_val - uri->bv_val);
         * <filter> must pass str2filter()
         */
        rc = ldap_url_parse( uri->bv_val, &ludp );
-       if ( rc == LDAP_URL_ERR_BADSCHEME ) {
+       switch ( rc ) {
+       case LDAP_URL_SUCCESS:
+               /* FIXME: the check is pedantic, but I think it's necessary,
+                * because people tend to use things like ldaps:// which
+                * gives the idea SSL is being used.  Maybe we could
+                * accept ldapi:// as well, but the point is that we use
+                * an URL as an easy means to define bits of a search with
+                * little parsing.
+                */
+               if ( strcasecmp( ludp->lud_scheme, "ldap" ) != 0 ) {
+                       /*
+                        * must be ldap:///
+                        */
+                       rc = LDAP_PROTOCOL_ERROR;
+                       goto done;
+               }
+               break;
+
+       case LDAP_URL_ERR_BADSCHEME:
                /*
                 * last chance: assume it's a(n exact) DN ...
                 *
                 * NOTE: must pass DN normalization
                 */
+               ldap_free_urldesc( ludp );
                bv.bv_val = uri->bv_val;
                *scope = LDAP_X_SCOPE_EXACT;
                goto is_dn;
-       }
 
-       if ( rc != LDAP_URL_SUCCESS ) {
-               return LDAP_PROTOCOL_ERROR;
+       default:
+               rc = LDAP_PROTOCOL_ERROR;
+               goto done;
        }
 
-       if (( ludp->lud_host && *ludp->lud_host )
+       if ( ( ludp->lud_host && *ludp->lud_host )
                || ludp->lud_attrs || ludp->lud_exts )
        {
                /* host part must be empty */
@@ -446,7 +1237,12 @@ is_dn:            bv.bv_len = uri->bv_len - (bv.bv_val - uri->bv_val);
 
        /* Grab the searchbase */
        ber_str2bv( ludp->lud_dn, 0, 0, base );
-       rc = dnNormalize( 0, NULL, NULL, base, nbase, op->o_tmpmemctx );
+       if ( normalize ) {
+               rc = dnNormalize( 0, NULL, NULL, base, nbase, op->o_tmpmemctx );
+       } else {
+               ber_dupbv_x( nbase, base, op->o_tmpmemctx );
+               rc = LDAP_SUCCESS;
+       }
 
 done:
        if( rc != LDAP_SUCCESS ) {
@@ -463,6 +1259,7 @@ done:
        return( rc );
 }
 
+#ifndef SLAP_AUTH_REWRITE
 static int slap_sasl_rx_off(char *rep, int *off)
 {
        const char *c;
@@ -478,16 +1275,10 @@ static int slap_sasl_rx_off(char *rep, int *off)
                }
                if ( *c == '$' ) {
                        if ( n == SASLREGEX_REPLACE ) {
-#ifdef NEW_LOGGING
-                               LDAP_LOG( TRANSPORT, ERR, 
-                                       "slap_sasl_rx_off: \"%s\" has too many $n "
-                                       "placeholders (max %d)\n", rep, SASLREGEX_REPLACE, 0  );
-#else
                                Debug( LDAP_DEBUG_ANY,
                                        "SASL replace pattern %s has too many $n "
                                                "placeholders (max %d)\n",
                                        rep, SASLREGEX_REPLACE, 0 );
-#endif
 
                                return( LDAP_OTHER );
                        }
@@ -502,6 +1293,7 @@ static int slap_sasl_rx_off(char *rep, int *off)
        off[n] = -1;
        return( LDAP_SUCCESS );
 }
+#endif /* ! SLAP_AUTH_REWRITE */
 
 #ifdef SLAP_AUTH_REWRITE
 int slap_sasl_rewrite_config( 
@@ -546,8 +1338,7 @@ int slap_sasl_regexp_rewrite_config(
                const char      *context )
 {
        int     rc;
-       char    *newreplace, *p;
-       char    *argvRule[] = { "rewriteRule", NULL, NULL, "@", NULL };
+       char    *argvRule[] = { "rewriteRule", NULL, NULL, ":@", NULL };
 
        /* init at first call */
        if ( sasl_rwinfo == NULL ) {
@@ -571,20 +1362,9 @@ int slap_sasl_regexp_rewrite_config(
                }
        }
 
-       newreplace = ch_strdup( replace );
-       
-       for (p = strchr( newreplace, '$' ); p; p = strchr( p + 1, '$' ) ) {
-               if ( isdigit( p[1] ) ) {
-                       p[0] = '%';
-               } else {
-                       p++;
-               }
-       }
-
        argvRule[1] = (char *)match;
-       argvRule[2] = newreplace;
+       argvRule[2] = (char *)replace;
        rc = rewrite_parse( sasl_rwinfo, fname, lineno, 4, argvRule );
-       ch_free( newreplace );
 
        return rc;
 }
@@ -592,10 +1372,6 @@ int slap_sasl_regexp_rewrite_config(
 
 int slap_sasl_regexp_config( const char *match, const char *replace )
 {
-#ifdef SLAP_AUTH_REWRITE
-       return slap_sasl_regexp_rewrite_config( "sasl-regexp", 0,
-                       match, replace, AUTHID_CONTEXT );
-#else /* ! SLAP_AUTH_REWRITE */
        int rc;
        SaslRegexp_t *reg;
 
@@ -607,18 +1383,19 @@ int slap_sasl_regexp_config( const char *match, const char *replace )
        reg->sr_match = ch_strdup( match );
        reg->sr_replace = ch_strdup( replace );
 
+#ifdef SLAP_AUTH_REWRITE
+       rc = slap_sasl_regexp_rewrite_config( "sasl-regexp", 0,
+                       match, replace, AUTHID_CONTEXT );
+       if ( rc == LDAP_SUCCESS ) nSaslRegexp++;
+       return rc;
+#else /* ! SLAP_AUTH_REWRITE */
+
        /* Precompile matching pattern */
        rc = regcomp( &reg->sr_workspace, reg->sr_match, REG_EXTENDED|REG_ICASE );
        if ( rc ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG( TRANSPORT, ERR, 
-                       "slap_sasl_regexp_config: \"%s\" could not be compiled.\n",
-                       reg->sr_match, 0, 0 );
-#else
                Debug( LDAP_DEBUG_ANY,
                "SASL match pattern %s could not be compiled by regexp engine\n",
                reg->sr_match, 0, 0 );
-#endif
 
                return( LDAP_OTHER );
        }
@@ -631,6 +1408,35 @@ int slap_sasl_regexp_config( const char *match, const char *replace )
 #endif /* ! SLAP_AUTH_REWRITE */
 }
 
+void slap_sasl_regexp_unparse( BerVarray *out )
+{
+       int i;
+       BerVarray bva = NULL;
+       char ibuf[32], *ptr;
+       struct berval idx;
+
+       if ( !nSaslRegexp ) return;
+
+       idx.bv_val = ibuf;
+       bva = ch_malloc( (nSaslRegexp+1) * sizeof(struct berval) );
+       BER_BVZERO(bva+nSaslRegexp);
+       for ( i=0; i<nSaslRegexp; i++ ) {
+               idx.bv_len = sprintf( idx.bv_val, "{%d}", i);
+               bva[i].bv_len = idx.bv_len + strlen( SaslRegexp[i].sr_match ) +
+                       strlen( SaslRegexp[i].sr_replace ) + 5;
+               bva[i].bv_val = ch_malloc( bva[i].bv_len+1 );
+               ptr = lutil_strcopy( bva[i].bv_val, ibuf );
+               *ptr++ = '"';
+               ptr = lutil_strcopy( ptr, SaslRegexp[i].sr_match );
+               ptr = lutil_strcopy( ptr, "\" \"" );
+               ptr = lutil_strcopy( ptr, SaslRegexp[i].sr_replace );
+               *ptr++ = '"';
+               *ptr = '\0';
+       }
+       *out = bva;
+}
+
+#ifndef SLAP_AUTH_REWRITE
 /* Perform replacement on regexp matches */
 static void slap_sasl_rx_exp(
        const char *rep,
@@ -682,6 +1488,7 @@ static void slap_sasl_rx_exp(
 
        out->bv_val[insert] = '\0';
 }
+#endif /* ! SLAP_AUTH_REWRITE */
 
 /* Take the passed in SASL name and attempt to convert it into an
    LDAP URI to find the matching LDAP entry, using the pattern matching
@@ -706,19 +1513,15 @@ static int slap_authz_regexp( struct berval *in, struct berval *out,
                if ( !BER_BVISNULL( out ) ) {
                        char *val = out->bv_val;
                        ber_str2bv_x( val, 0, 1, out, ctx );
-                       free( val );
+                       if ( val != in->bv_val ) {
+                               free( val );
+                       }
                } else {
                        ber_dupbv_x( out, in, ctx );
                }
-#ifdef NEW_LOGGING
-               LDAP_LOG( BACK_LDAP, DETAIL1, 
-                       "[rw] %s: \"%s\" -> \"%s\"\n",
-                       context, in->bv_val, out->bv_val );             
-#else /* !NEW_LOGGING */
                Debug( LDAP_DEBUG_ARGS,
                        "[rw] %s: \"%s\" -> \"%s\"\n",
                        context, in->bv_val, out->bv_val );             
-#endif /* !NEW_LOGGING */
                return 1;
                
        case REWRITE_REGEXEC_UNWILLING:
@@ -735,13 +1538,8 @@ static int slap_authz_regexp( struct berval *in, struct berval *out,
 
        memset( out, 0, sizeof( *out ) );
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_authz_regexp: converting SASL name %s\n", saslname, 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE, "slap_authz_regexp: converting SASL name %s\n",
           saslname, 0, 0 );
-#endif
 
        if (( saslname == NULL ) || ( nSaslRegexp == 0 )) {
                return( 0 );
@@ -764,15 +1562,9 @@ static int slap_authz_regexp( struct berval *in, struct berval *out,
        slap_sasl_rx_exp( reg->sr_replace, reg->sr_offset,
                sr_strings, saslname, out, ctx );
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_authz_regexp: converted SASL name to %s\n",
-               BER_BVISEMPTY( out ) ? "" : out->bv_val, 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "slap_authz_regexp: converted SASL name to %s\n",
                BER_BVISEMPTY( out ) ? "" : out->bv_val, 0, 0 );
-#endif
 
        return( 1 );
 #endif /* ! SLAP_AUTH_REWRITE */
@@ -790,13 +1582,8 @@ static int sasl_sc_sasl2dn( Operation *o, SlapReply *rs )
                o->o_tmpfree(ndn->bv_val, o->o_tmpmemctx);
                BER_BVZERO( ndn );
 
-#ifdef NEW_LOGGING
-               LDAP_LOG( TRANSPORT, DETAIL1,
-                       "slap_sc_sasl2dn: search DN returned more than 1 entry\n", 0, 0, 0 );
-#else
                Debug( LDAP_DEBUG_TRACE,
                        "slap_sc_sasl2dn: search DN returned more than 1 entry\n", 0, 0, 0 );
-#endif
                return -1;
        }
 
@@ -863,8 +1650,8 @@ slap_sasl_matches( Operation *op, BerVarray rules,
  * The assertDN should not have the dn: prefix
  */
 
-static
-int slap_sasl_match( Operation *opx, struct berval *rule,
+static int
+slap_sasl_match( Operation *opx, struct berval *rule,
        struct berval *assertDN, struct berval *authc )
 {
        int rc; 
@@ -873,27 +1660,29 @@ int slap_sasl_match( Operation *opx, struct berval *rule,
        slap_callback cb = { NULL, sasl_sc_smatch, NULL, NULL };
        Operation op = {0};
        SlapReply rs = {REP_RESULT};
+       struct berval base = BER_BVNULL;
 
        sm.dn = assertDN;
        sm.match = 0;
        cb.sc_private = &sm;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_sasl_match: comparing DN %s to rule %s\n", 
-               assertDN->bv_val, rule->bv_val,0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
           "===>slap_sasl_match: comparing DN %s to rule %s\n",
                assertDN->bv_val, rule->bv_val, 0 );
-#endif
 
-       rc = slap_parseURI( opx, rule, &op.o_req_dn,
-               &op.o_req_ndn, &op.oq_search.rs_scope, &op.oq_search.rs_filter,
-               &op.ors_filterstr );
+       /* NOTE: don't normalize rule if authz syntax is enabled */
+       rc = slap_parseURI( opx, rule, &base, &op.o_req_ndn,
+               &op.ors_scope, &op.ors_filter, &op.ors_filterstr, 
+#ifdef SLAP_AUTHZ_SYNTAX
+               0
+#else /* ! SLAP_AUTHZ_SYNTAX */
+               1
+#endif /* ! SLAP_AUTHZ_SYNTAX */
+               );
+
        if( rc != LDAP_SUCCESS ) goto CONCLUDED;
 
-       switch ( op.oq_search.rs_scope ) {
+       switch ( op.ors_scope ) {
        case LDAP_X_SCOPE_EXACT:
 exact_match:
                if ( dn_match( &op.o_req_ndn, assertDN ) ) {
@@ -911,7 +1700,7 @@ exact_match:
 
                rc = LDAP_INAPPROPRIATE_AUTH;
 
-               if ( d == 0 && op.oq_search.rs_scope == LDAP_X_SCOPE_SUBTREE ) {
+               if ( d == 0 && op.ors_scope == LDAP_X_SCOPE_SUBTREE ) {
                        goto exact_match;
 
                } else if ( d > 0 ) {
@@ -927,7 +1716,7 @@ exact_match:
                        bv.bv_val = assertDN->bv_val + d;
 
                        if ( bv.bv_val[ -1 ] == ',' && dn_match( &op.o_req_ndn, &bv ) ) {
-                               switch ( op.oq_search.rs_scope ) {
+                               switch ( op.ors_scope ) {
                                case LDAP_X_SCOPE_SUBTREE:
                                case LDAP_X_SCOPE_CHILDREN:
                                        rc = LDAP_SUCCESS;
@@ -1004,25 +1793,27 @@ exact_match:
                break;
                }
 
+       case LDAP_X_SCOPE_USERS:
+               if ( !BER_BVISEMPTY( assertDN ) ) {
+                       rc = LDAP_SUCCESS;
+               } else {
+                       rc = LDAP_INAPPROPRIATE_AUTH;
+               }
+               goto CONCLUDED;
+
        default:
                break;
        }
 
        /* Must run an internal search. */
-       if ( op.oq_search.rs_filter == NULL ) {
+       if ( op.ors_filter == NULL ) {
                rc = LDAP_FILTER_ERROR;
                goto CONCLUDED;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, DETAIL1, 
-               "slap_sasl_match: performing internal search (base=%s, scope=%d)\n",
-               op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
           "slap_sasl_match: performing internal search (base=%s, scope=%d)\n",
-          op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#endif
+          op.o_req_ndn.bv_val, op.ors_scope, 0 );
 
        op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
        if(( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL)) {
@@ -1030,27 +1821,25 @@ exact_match:
                goto CONCLUDED;
        }
 
+       op.o_hdr = opx->o_hdr;
        op.o_tag = LDAP_REQ_SEARCH;
-       op.o_protocol = LDAP_VERSION3;
        op.o_ndn = *authc;
        op.o_callback = &cb;
        op.o_time = slap_get_time();
        op.o_do_not_cache = 1;
        op.o_is_auth_check = 1;
-       op.o_threadctx = opx->o_threadctx;
-       op.o_tmpmemctx = opx->o_tmpmemctx;
-       op.o_tmpmfuncs = opx->o_tmpmfuncs;
-#ifdef LDAP_SLAPI
-       op.o_pb = opx->o_pb;
-#endif
-       op.o_conn = opx->o_conn;
-       op.o_connid = opx->o_connid;
        /* use req_ndn as req_dn instead of non-pretty base of uri */
-       if( !BER_BVISNULL( &op.o_req_dn ) ) ch_free( op.o_req_dn.bv_val );
+       if( !BER_BVISNULL( &base ) ) {
+               ch_free( base.bv_val );
+               /* just in case... */
+               BER_BVZERO( &base );
+       }
        ber_dupbv_x( &op.o_req_dn, &op.o_req_ndn, op.o_tmpmemctx );
-       op.oq_search.rs_slimit = 1;
-       op.oq_search.rs_tlimit = -1;
-       op.o_sync_slog_size = -1;
+       op.ors_deref = LDAP_DEREF_NEVER;
+       op.ors_slimit = 1;
+       op.ors_tlimit = SLAP_NO_LIMIT;
+       op.ors_attrs = slap_anlist_no_attrs;
+       op.ors_attrsonly = 1;
 
        op.o_bd->be_search( &op, &rs );
 
@@ -1063,16 +1852,11 @@ exact_match:
 CONCLUDED:
        if( !BER_BVISNULL( &op.o_req_dn ) ) slap_sl_free( op.o_req_dn.bv_val, opx->o_tmpmemctx );
        if( !BER_BVISNULL( &op.o_req_ndn ) ) slap_sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
-       if( op.oq_search.rs_filter ) filter_free_x( opx, op.oq_search.rs_filter );
+       if( op.ors_filter ) filter_free_x( opx, op.ors_filter );
        if( !BER_BVISNULL( &op.ors_filterstr ) ) ch_free( op.ors_filterstr.bv_val );
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_sasl_match: comparison returned %d\n", rc, 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
           "<===slap_sasl_match: comparison returned %d\n", rc, 0, 0);
-#endif
 
        return( rc );
 }
@@ -1093,20 +1877,14 @@ slap_sasl_check_authz( Operation *op,
        AttributeDescription *ad,
        struct berval *authc )
 {
-       int i, rc;
+       int rc;
        BerVarray vals = NULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_sasl_check_authz: does %s match %s rule in %s?\n",
-           assertDN->bv_val, ad->ad_cname.bv_val, searchDN->bv_val);
-#else
        Debug( LDAP_DEBUG_TRACE,
           "==>slap_sasl_check_authz: does %s match %s rule in %s?\n",
           assertDN->bv_val, ad->ad_cname.bv_val, searchDN->bv_val);
-#endif
 
-       rc = backend_attribute( op, NULL, searchDN, ad, &vals );
+       rc = backend_attribute( op, NULL, searchDN, ad, &vals, ACL_AUTH );
        if( rc != LDAP_SUCCESS ) goto COMPLETE;
 
        /* Check if the *assertDN matches any *vals */
@@ -1115,15 +1893,9 @@ slap_sasl_check_authz( Operation *op,
 COMPLETE:
        if( vals ) ber_bvarray_free_x( vals, op->o_tmpmemctx );
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, RESULTS, 
-               "slap_sasl_check_authz: %s check returning %s\n", 
-               ad->ad_cname.bv_val, rc, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
           "<==slap_sasl_check_authz: %s check returning %d\n",
                ad->ad_cname.bv_val, rc, 0);
-#endif
 
        return( rc );
 }
@@ -1136,27 +1908,25 @@ COMPLETE:
  * an internal search must be done, and if that search returns exactly one
  * entry, return the DN of that one entry.
  */
-void slap_sasl2dn( Operation *opx,
-       struct berval *saslname, struct berval *sasldn, int flags )
+void
+slap_sasl2dn(
+       Operation       *opx,
+       struct berval   *saslname,
+       struct berval   *sasldn,
+       int             flags )
 {
        int rc;
        slap_callback cb = { NULL, sasl_sc_sasl2dn, NULL, NULL };
        Operation op = {0};
        SlapReply rs = {REP_RESULT};
        struct berval regout = BER_BVNULL;
+       struct berval base = BER_BVNULL;
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_sasl2dn: converting SASL name %s to DN.\n",
-               saslname->bv_val, 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE, "==>slap_sasl2dn: "
                "converting SASL name %s to a DN\n",
                saslname->bv_val, 0,0 );
-#endif
 
-       sasldn->bv_val = NULL;
-       sasldn->bv_len = 0;
+       BER_BVZERO( sasldn );
        cb.sc_private = sasldn;
 
        /* Convert the SASL name into a minimal URI */
@@ -1164,9 +1934,10 @@ void slap_sasl2dn( Operation *opx,
                goto FINISHED;
        }
 
-       rc = slap_parseURI( opx, &regout, &op.o_req_dn,
-               &op.o_req_ndn, &op.oq_search.rs_scope, &op.oq_search.rs_filter,
-               &op.ors_filterstr );
+       /* NOTE: always normalize regout because it results
+        * from string submatch expansion */
+       rc = slap_parseURI( opx, &regout, &base, &op.o_req_ndn,
+               &op.ors_scope, &op.ors_filter, &op.ors_filterstr, 1 );
        if ( !BER_BVISNULL( &regout ) ) slap_sl_free( regout.bv_val, opx->o_tmpmemctx );
        if ( rc != LDAP_SUCCESS ) {
                goto FINISHED;
@@ -1175,7 +1946,7 @@ void slap_sasl2dn( Operation *opx,
        /* Must do an internal search */
        op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
 
-       switch ( op.oq_search.rs_scope ) {
+       switch ( op.ors_scope ) {
        case LDAP_X_SCOPE_EXACT:
                *sasldn = op.o_req_ndn;
                BER_BVZERO( &op.o_req_ndn );
@@ -1186,6 +1957,7 @@ void slap_sasl2dn( Operation *opx,
        case LDAP_X_SCOPE_CHILDREN:
        case LDAP_X_SCOPE_ONELEVEL:
        case LDAP_X_SCOPE_GROUP:
+       case LDAP_X_SCOPE_USERS:
                /* correctly parsed, but illegal */
                goto FINISHED;
 
@@ -1203,41 +1975,38 @@ void slap_sasl2dn( Operation *opx,
                assert( 0 );
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, DETAIL1, 
-               "slap_sasl2dn: performing internal search (base=%s, scope=%d)\n",
-               op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "slap_sasl2dn: performing internal search (base=%s, scope=%d)\n",
-               op.o_req_ndn.bv_val, op.oq_search.rs_scope, 0 );
-#endif
+               op.o_req_ndn.bv_val, op.ors_scope, 0 );
 
-       if(( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL)) {
+       if ( ( op.o_bd == NULL ) || ( op.o_bd->be_search == NULL) ) {
+               goto FINISHED;
+       }
+
+       /* Must run an internal search. */
+       if ( op.ors_filter == NULL ) {
+               rc = LDAP_FILTER_ERROR;
                goto FINISHED;
        }
 
-       op.o_conn = opx->o_conn;
-       op.o_connid = opx->o_connid;
+       op.o_hdr = opx->o_hdr;
        op.o_tag = LDAP_REQ_SEARCH;
-       op.o_protocol = LDAP_VERSION3;
        op.o_ndn = opx->o_conn->c_ndn;
        op.o_callback = &cb;
        op.o_time = slap_get_time();
        op.o_do_not_cache = 1;
        op.o_is_auth_check = 1;
-       op.o_threadctx = opx->o_threadctx;
-       op.o_tmpmemctx = opx->o_tmpmemctx;
-       op.o_tmpmfuncs = opx->o_tmpmfuncs;
-#ifdef LDAP_SLAPI
-       op.o_pb = opx->o_pb;
-#endif
-       op.oq_search.rs_deref = LDAP_DEREF_NEVER;
-       op.oq_search.rs_slimit = 1;
-       op.oq_search.rs_tlimit = -1;
-       op.oq_search.rs_attrsonly = 1;
+       op.ors_deref = LDAP_DEREF_NEVER;
+       op.ors_slimit = 1;
+       op.ors_tlimit = SLAP_NO_LIMIT;
+       op.ors_attrs = slap_anlist_no_attrs;
+       op.ors_attrsonly = 1;
        /* use req_ndn as req_dn instead of non-pretty base of uri */
-       if( !BER_BVISNULL( &op.o_req_dn ) ) ch_free( op.o_req_dn.bv_val );
+       if( !BER_BVISNULL( &base ) ) {
+               ch_free( base.bv_val );
+               /* just in case... */
+               BER_BVZERO( &base );
+       }
        ber_dupbv_x( &op.o_req_dn, &op.o_req_ndn, op.o_tmpmemctx );
 
        op.o_bd->be_search( &op, &rs );
@@ -1252,21 +2021,15 @@ FINISHED:
        if( !BER_BVISNULL( &op.o_req_ndn ) ) {
                slap_sl_free( op.o_req_ndn.bv_val, opx->o_tmpmemctx );
        }
-       if( op.oq_search.rs_filter ) {
-               filter_free_x( opx, op.oq_search.rs_filter );
+       if( op.ors_filter ) {
+               filter_free_x( opx, op.ors_filter );
        }
        if( !BER_BVISNULL( &op.ors_filterstr ) ) {
                ch_free( op.ors_filterstr.bv_val );
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_sasl2dn: Converted SASL name to %s\n",
-               !BER_BVISEMPTY( sasldn ) ? sasldn->bv_val : "<nothing>", 0, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE, "<==slap_sasl2dn: Converted SASL name to %s\n",
                !BER_BVISEMPTY( sasldn ) ? sasldn->bv_val : "<nothing>", 0, 0 );
-#endif
 
        return;
 }
@@ -1287,15 +2050,9 @@ int slap_sasl_authorized( Operation *op,
                goto DONE;
        }
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, ENTRY, 
-               "slap_sasl_authorized: can %s become %s?\n", 
-               authcDN->bv_val, authzDN->bv_val, 0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
           "==>slap_sasl_authorized: can %s become %s?\n",
                authcDN->bv_val, authzDN->bv_val, 0 );
-#endif
 
        /* If person is authorizing to self, succeed */
        if ( dn_match( authcDN, authzDN ) ) {
@@ -1333,12 +2090,8 @@ int slap_sasl_authorized( Operation *op,
 
 DONE:
 
-#ifdef NEW_LOGGING
-       LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_authorized: return %d\n", rc,0,0 );
-#else
        Debug( LDAP_DEBUG_TRACE,
                "<== slap_sasl_authorized: return %d\n", rc, 0, 0 );
-#endif
 
        return( rc );
 }