Add back-ndb

[openldap] / servers / slapd / dn.c

diff --git a/servers/slapd/dn.c b/servers/slapd/dn.c
index cf92a72fc1c7494f063f7f4cd1982be50c1c179c..95520700e381e565fece56be343ed9d2e1398f9f 100644 (file)
--- a/servers/slapd/dn.c
+++ b/servers/slapd/dn.c
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2007 The OpenLDAP Foundation.
+ * Copyright 1998-2008 The OpenLDAP Foundation.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -228,81 +228,62 @@ rdnValidate(
  * Note: the sorting can be slightly improved by sorting first
  * by attribute type length, then by alphabetical order.
  *
- * uses a linear search; should be fine since the number of AVAs in
+ * uses an insertion sort; should be fine since the number of AVAs in
  * a RDN should be limited.
  */
-static void
-AVA_Sort( LDAPRDN rdn, int iAVA )
+static int
+AVA_Sort( LDAPRDN rdn, int nAVAs )
 {
+       LDAPAVA *ava_i;
        int             i;
-       LDAPAVA         *ava_in = rdn[ iAVA ];
 
        assert( rdn != NULL );
-       assert( ava_in != NULL );
-       
-       for ( i = 0; i < iAVA; i++ ) {
-               LDAPAVA         *ava = rdn[ i ];
-               int             a, j;
 
-               assert( ava != NULL );
+       for ( i = 1; i < nAVAs; i++ ) {
+               LDAPAVA *ava_j;
+               int j;
 
-               a = strcmp( ava_in->la_attr.bv_val, ava->la_attr.bv_val );
+               ava_i = rdn[ i ];
+               for ( j = i-1; j >=0; j-- ) {
+                       int a;
 
-               if ( a > 0 ) {
-                       break;
-               }
+                       ava_j = rdn[ j ];
+                       a = strcmp( ava_i->la_attr.bv_val, ava_j->la_attr.bv_val );
 
-               while ( a == 0 ) {
-                       int             v, d;
+                       if ( a == 0 ) {
+                               int             d;
 
-                       d = ava_in->la_value.bv_len - ava->la_value.bv_len;
+                               d = ava_i->la_value.bv_len - ava_j->la_value.bv_len;
 
-                       v = memcmp( ava_in->la_value.bv_val, 
-                                       ava->la_value.bv_val,
-                                       d <= 0 ? ava_in->la_value.bv_len 
-                                               : ava->la_value.bv_len );
+                               a = memcmp( ava_i->la_value.bv_val, 
+                                               ava_j->la_value.bv_val,
+                                               d <= 0 ? ava_i->la_value.bv_len 
+                                                       : ava_j->la_value.bv_len );
 
-                       if ( v == 0 && d != 0 ) {
-                               v = d;
+                               if ( a == 0 ) {
+                                       a = d;
+                               }
                        }
+                       /* Duplicates are not allowed */
+                       if ( a == 0 )
+                               return LDAP_INVALID_DN_SYNTAX;
 
-                       if ( v <= 0 ) {
-                               /* 
-                                * got it!
-                                */
+                       if ( a > 0 )
                                break;
-                       }
 
-                       if ( ++i == iAVA ) {
-                               /*
-                                * already sorted
-                                */
-                               return;
-                       }
-
-                       ava = rdn[ i ];
-                       a = strcmp( ava_in->la_attr.bv_val, 
-                                       ava->la_attr.bv_val );
+                       rdn[ j+1 ] = rdn[ j ];
                }
-
-               /*
-                * move ahead
-                */
-               for ( j = iAVA; j > i; j-- ) {
-                       rdn[ j ] = rdn[ j - 1 ];
-               }
-               rdn[ i ] = ava_in;
-
-               return;
+               rdn[ j+1 ] = ava_i;
        }
+       return LDAP_SUCCESS;
 }
 
 static int
 LDAPRDN_rewrite( LDAPRDN rdn, unsigned flags, void *ctx )
 {
 
-       int rc;
-       int             iAVA;
+       int rc, iAVA, do_sort = 0;
+
        for ( iAVA = 0; rdn[ iAVA ]; iAVA++ ) {
                LDAPAVA                 *ava = rdn[ iAVA ];
                AttributeDescription    *ad;
@@ -311,7 +292,6 @@ LDAPRDN_rewrite( LDAPRDN rdn, unsigned flags, void *ctx )
                slap_syntax_transform_func *transf = NULL;
                MatchingRule *mr = NULL;
                struct berval           bv = BER_BVNULL;
-               int                     do_sort = 0;
 
                assert( ava != NULL );
 
@@ -415,10 +395,14 @@ LDAPRDN_rewrite( LDAPRDN rdn, unsigned flags, void *ctx )
                        ava->la_value = bv;
                        ava->la_flags |= LDAP_AVA_FREE_VALUE;
                }
+       }
+       rc = LDAP_SUCCESS;
 
-               if( do_sort ) AVA_Sort( rdn, iAVA );
+       if ( do_sort ) {
+               rc = AVA_Sort( rdn, iAVA );
        }
-       return LDAP_SUCCESS;
+
+       return rc;
 }
 
 /*
@@ -455,7 +439,7 @@ dnNormalize(
        assert( val != NULL );
        assert( out != NULL );
 
-       Debug( LDAP_DEBUG_TRACE, ">>> dnNormalize: <%s>\n", val->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, ">>> dnNormalize: <%s>\n", val->bv_val ? val->bv_val : "", 0, 0 );
 
        if ( val->bv_len != 0 ) {
                LDAPDN          dn = NULL;
@@ -494,7 +478,7 @@ dnNormalize(
                ber_dupbv_x( out, val, ctx );
        }
 
-       Debug( LDAP_DEBUG_TRACE, "<<< dnNormalize: <%s>\n", out->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "<<< dnNormalize: <%s>\n", out->bv_val ? out->bv_val : "", 0, 0 );
 
        return LDAP_SUCCESS;
 }
@@ -511,7 +495,7 @@ rdnNormalize(
        assert( val != NULL );
        assert( out != NULL );
 
-       Debug( LDAP_DEBUG_TRACE, ">>> dnNormalize: <%s>\n", val->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, ">>> dnNormalize: <%s>\n", val->bv_val ? val->bv_val : "", 0, 0 );
        if ( val->bv_len != 0 ) {
                LDAPRDN         rdn = NULL;
                int             rc;
@@ -552,7 +536,7 @@ rdnNormalize(
                ber_dupbv_x( out, val, ctx );
        }
 
-       Debug( LDAP_DEBUG_TRACE, "<<< dnNormalize: <%s>\n", out->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "<<< dnNormalize: <%s>\n", out->bv_val ? out->bv_val : "", 0, 0 );
 
        return LDAP_SUCCESS;
 }
@@ -567,7 +551,7 @@ dnPretty(
        assert( val != NULL );
        assert( out != NULL );
 
-       Debug( LDAP_DEBUG_TRACE, ">>> dnPretty: <%s>\n", val->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, ">>> dnPretty: <%s>\n", val->bv_val ? val->bv_val : "", 0, 0 );
 
        if ( val->bv_len == 0 ) {
                ber_dupbv_x( out, val, ctx );
@@ -609,7 +593,7 @@ dnPretty(
                }
        }
 
-       Debug( LDAP_DEBUG_TRACE, "<<< dnPretty: <%s>\n", out->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "<<< dnPretty: <%s>\n", out->bv_val ? out->bv_val : "", 0, 0 );
 
        return LDAP_SUCCESS;
 }
@@ -624,7 +608,7 @@ rdnPretty(
        assert( val != NULL );
        assert( out != NULL );
 
-       Debug( LDAP_DEBUG_TRACE, ">>> dnPretty: <%s>\n", val->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, ">>> rdnPretty: <%s>\n", val->bv_val ? val->bv_val : "", 0, 0 );
 
        if ( val->bv_len == 0 ) {
                ber_dupbv_x( out, val, ctx );
@@ -668,7 +652,7 @@ rdnPretty(
                }
        }
 
-       Debug( LDAP_DEBUG_TRACE, "<<< dnPretty: <%s>\n", out->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, "<<< dnPretty: <%s>\n", out->bv_val ? out->bv_val : "", 0, 0 );
 
        return LDAP_SUCCESS;
 }
@@ -687,7 +671,7 @@ dnPrettyNormalDN(
 
        Debug( LDAP_DEBUG_TRACE, ">>> dn%sDN: <%s>\n", 
                        flags == SLAP_LDAPDN_PRETTY ? "Pretty" : "Normal", 
-                       val->bv_val, 0 );
+                       val->bv_val ? val->bv_val : "", 0 );
 
        if ( val->bv_len == 0 ) {
                return LDAP_SUCCESS;
@@ -734,7 +718,7 @@ dnPrettyNormal(
        struct berval *normal,
        void *ctx)
 {
-       Debug( LDAP_DEBUG_TRACE, ">>> dnPrettyNormal: <%s>\n", val->bv_val, 0, 0 );
+       Debug( LDAP_DEBUG_TRACE, ">>> dnPrettyNormal: <%s>\n", val->bv_val ? val->bv_val : "", 0, 0 );
 
        assert( val != NULL );
        assert( pretty != NULL );
@@ -802,7 +786,8 @@ dnPrettyNormal(
        }
 
        Debug( LDAP_DEBUG_TRACE, "<<< dnPrettyNormal: <%s>, <%s>\n",
-               pretty->bv_val, normal->bv_val, 0 );
+               pretty->bv_val ? pretty->bv_val : "",
+               normal->bv_val ? normal->bv_val : "", 0 );
 
        return LDAP_SUCCESS;
 }