/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2005 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
return LDAP_SUCCESS;
}
-
int
value_match(
int *match,
slap_sl_free( nval.bv_val, ctx );
return LDAP_NO_SUCH_ATTRIBUTE;
}
+
+/* assign new indexes to an attribute's ordered values */
+void
+ordered_value_renumber( Attribute *a, int vals )
+{
+ char *ptr, ibuf[64]; /* many digits */
+ struct berval ibv, tmp, vtmp;
+ int i;
+
+ ibv.bv_val = ibuf;
+
+ for (i=0; i<vals; i++) {
+ ibv.bv_len = sprintf(ibv.bv_val, "{%d}", i);
+ vtmp = a->a_vals[i];
+ if ( vtmp.bv_val[0] == '{' ) {
+ ptr = strchr(vtmp.bv_val, '}') + 1;
+ vtmp.bv_len -= ptr - vtmp.bv_val;
+ vtmp.bv_val = ptr;
+ }
+ tmp.bv_len = ibv.bv_len + vtmp.bv_len;
+ tmp.bv_val = ch_malloc( tmp.bv_len + 1 );
+ strcpy( tmp.bv_val, ibv.bv_val );
+ AC_MEMCPY( tmp.bv_val + ibv.bv_len, vtmp.bv_val, vtmp.bv_len );
+ tmp.bv_val[tmp.bv_len] = '\0';
+ ch_free( a->a_vals[i].bv_val );
+ a->a_vals[i] = tmp;
+
+ if ( a->a_nvals && a->a_nvals != a->a_vals ) {
+ vtmp = a->a_nvals[i];
+ if ( vtmp.bv_val[0] == '{' ) {
+ ptr = strchr(vtmp.bv_val, '}') + 1;
+ vtmp.bv_len -= ptr - vtmp.bv_val;
+ vtmp.bv_val = ptr;
+ }
+ tmp.bv_len = ibv.bv_len + vtmp.bv_len;
+ tmp.bv_val = ch_malloc( tmp.bv_len + 1 );
+ strcpy( tmp.bv_val, ibv.bv_val );
+ AC_MEMCPY( tmp.bv_val + ibv.bv_len, vtmp.bv_val, vtmp.bv_len );
+ tmp.bv_val[tmp.bv_len] = '\0';
+ ch_free( a->a_nvals[i].bv_val );
+ a->a_nvals[i] = tmp;
+ }
+ }
+}
+
+/* Sort the values in an X-ORDERED VALUES attribute.
+ * If the values have no index, index them in their given order.
+ * If the values have indexes, sort them.
+ * If some are indexed and some are not, return Error.
+ */
+int
+ordered_value_sort( Attribute *a, int do_renumber )
+{
+ int i, vals;
+ int index = 0, noindex = 0, renumber = 0, gotnvals = 0;
+ struct berval tmp;
+
+ if ( a->a_nvals && a->a_nvals != a->a_vals )
+ gotnvals = 1;
+
+ /* count attrs, look for index */
+ for (i=0; a->a_vals[i].bv_val; i++) {
+ if ( a->a_vals[i].bv_val[0] == '{' ) {
+ char *ptr;
+ index = 1;
+ ptr = strchr( a->a_vals[i].bv_val, '}' );
+ if ( !ptr )
+ return LDAP_INVALID_SYNTAX;
+ if ( noindex )
+ return LDAP_INVALID_SYNTAX;
+ } else {
+ noindex = 1;
+ if ( index )
+ return LDAP_INVALID_SYNTAX;
+ }
+ }
+ vals = i;
+
+ /* If values have indexes, sort the values */
+ if ( index ) {
+ int *indexes, j, idx;
+ struct berval ntmp;
+
+#if 0
+ /* Strip index from normalized values */
+ if ( !a->a_nvals || a->a_vals == a->a_nvals ) {
+ a->a_nvals = ch_malloc( (vals+1)*sizeof(struct berval));
+ BER_BVZERO(a->a_nvals+vals);
+ for ( i=0; i<vals; i++ ) {
+ ptr = strchr(a->a_vals[i].bv_val, '}') + 1;
+ a->a_nvals[i].bv_len = a->a_vals[i].bv_len -
+ (ptr - a->a_vals[i].bv_val);
+ a->a_nvals[i].bv_val = ch_malloc( a->a_nvals[i].bv_len + 1);
+ strcpy(a->a_nvals[i].bv_val, ptr );
+ }
+ } else {
+ for ( i=0; i<vals; i++ ) {
+ ptr = strchr(a->a_nvals[i].bv_val, '}') + 1;
+ a->a_nvals[i].bv_len -= ptr - a->a_nvals[i].bv_val;
+ strcpy(a->a_nvals[i].bv_val, ptr);
+ }
+ }
+#endif
+
+ indexes = ch_malloc( vals * sizeof(int) );
+ for ( i=0; i<vals; i++) {
+ char *ptr;
+ indexes[i] = strtol(a->a_vals[i].bv_val+1, &ptr, 0);
+ if ( *ptr != '}' ) {
+ ch_free( indexes );
+ return LDAP_INVALID_SYNTAX;
+ }
+ }
+
+ /* Insertion sort */
+ for ( i=1; i<vals; i++ ) {
+ idx = indexes[i];
+ tmp = a->a_vals[i];
+ if ( gotnvals ) ntmp = a->a_nvals[i];
+ j = i;
+ while ((j > 0) && (indexes[j-1] > idx)) {
+ indexes[j] = indexes[j-1];
+ a->a_vals[j] = a->a_vals[j-1];
+ if ( gotnvals ) a->a_nvals[j] = a->a_nvals[j-1];
+ j--;
+ }
+ indexes[j] = idx;
+ a->a_vals[j] = tmp;
+ if ( gotnvals ) a->a_nvals[j] = ntmp;
+ }
+
+ /* If range is not contiguous, must renumber */
+ if ( indexes[0] != 0 || indexes[vals-1] != vals-1 ) {
+ renumber = 1;
+ }
+ ch_free( indexes );
+ } else {
+ renumber = 1;
+ }
+
+ if ( do_renumber && renumber )
+ ordered_value_renumber( a, vals );
+
+ return 0;
+}
+
+/*
+ * wrapper for validate function
+ * uses the validate function of the syntax after removing
+ * the index, if allowed an present
+ */
+int
+ordered_value_validate(
+ AttributeDescription *ad,
+ struct berval *in )
+{
+ struct berval bv = *in;
+
+ assert( ad->ad_type->sat_syntax != NULL );
+ assert( ad->ad_type->sat_syntax->ssyn_validate != NULL );
+
+ if ( ad->ad_type->sat_flags & SLAP_AT_ORDERED ) {
+
+ /* Skip past the assertion index */
+ if ( bv.bv_val[0] == '{' ) {
+ char *ptr;
+
+ ptr = strchr( bv.bv_val, '}' );
+ if ( ptr == NULL ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ ptr++;
+ bv.bv_len -= ptr - bv.bv_val;
+ bv.bv_val = ptr;
+ in = &bv;
+ }
+ }
+
+ return ad->ad_type->sat_syntax->ssyn_validate( ad->ad_type->sat_syntax, in );
+}
+
+/*
+ * wrapper for pretty function
+ * uses the pretty function of the syntax after removing
+ * the index, if allowed and present; in case, it's prepended
+ * to the pretty value
+ */
+int
+ordered_value_pretty(
+ AttributeDescription *ad,
+ struct berval *val,
+ struct berval *out,
+ void *ctx )
+{
+ struct berval bv = *val,
+ idx = BER_BVNULL;
+ int rc;
+
+ assert( ad->ad_type->sat_syntax != NULL );
+ assert( ad->ad_type->sat_syntax->ssyn_pretty != NULL );
+ assert( val != NULL );
+ assert( out != NULL );
+
+ if ( ad->ad_type->sat_flags & SLAP_AT_ORDERED ) {
+
+ /* Skip past the assertion index */
+ if ( bv.bv_val[0] == '{' ) {
+ char *ptr;
+
+ ptr = strchr( bv.bv_val, '}' );
+ if ( ptr == NULL ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ ptr++;
+
+ idx = bv;
+ idx.bv_len = ptr - bv.bv_val;
+
+ bv.bv_len -= idx.bv_len;
+ bv.bv_val = ptr;
+
+ val = &bv;
+ }
+ }
+
+ rc = ad->ad_type->sat_syntax->ssyn_pretty( ad->ad_type->sat_syntax, val, out, ctx );
+
+ if ( rc == LDAP_SUCCESS && !BER_BVISNULL( &idx ) ) {
+ bv = *out;
+
+ out->bv_len = idx.bv_len + bv.bv_len;
+ out->bv_val = ber_memalloc_x( out->bv_len + 1, ctx );
+
+ AC_MEMCPY( out->bv_val, idx.bv_val, idx.bv_len );
+ AC_MEMCPY( &out->bv_val[ idx.bv_len ], bv.bv_val, bv.bv_len + 1 );
+
+ ber_memfree_x( bv.bv_val, ctx );
+ }
+
+ return rc;
+}
+
+/*
+ * wrapper for normalize function
+ * uses the normalize function of the attribute description equality rule
+ * after removing the index, if allowed and present; in case, it's
+ * prepended to the value
+ */
+int
+ordered_value_normalize(
+ slap_mask_t usage,
+ AttributeDescription *ad,
+ MatchingRule *mr,
+ struct berval *val,
+ struct berval *normalized,
+ void *ctx )
+{
+ struct berval bv = *val,
+ idx = BER_BVNULL;
+ int rc;
+
+ assert( ad->ad_type->sat_equality != NULL );
+ assert( ad->ad_type->sat_equality->smr_normalize != NULL );
+ assert( val != NULL );
+ assert( normalized != NULL );
+
+ if ( ad->ad_type->sat_flags & SLAP_AT_ORDERED ) {
+
+ /* Skip past the assertion index */
+ if ( bv.bv_val[0] == '{' ) {
+ char *ptr;
+
+ ptr = strchr( bv.bv_val, '}' );
+ if ( ptr == NULL ) {
+ return LDAP_INVALID_SYNTAX;
+ }
+ ptr++;
+
+ idx = bv;
+ idx.bv_len = ptr - bv.bv_val;
+
+ bv.bv_len -= idx.bv_len;
+ bv.bv_val = ptr;
+
+ val = &bv;
+ }
+ }
+
+ rc = ad->ad_type->sat_equality->smr_normalize( usage,
+ ad->ad_type->sat_syntax, mr, val, normalized, ctx );
+
+ if ( rc == LDAP_SUCCESS && !BER_BVISNULL( &idx ) ) {
+ bv = *normalized;
+
+ normalized->bv_len = idx.bv_len + bv.bv_len;
+ normalized->bv_val = ber_memalloc_x( normalized->bv_len + 1, ctx );
+
+ AC_MEMCPY( normalized->bv_val, idx.bv_val, idx.bv_len );
+ AC_MEMCPY( &normalized->bv_val[ idx.bv_len ], bv.bv_val, bv.bv_len + 1 );
+
+ ber_memfree_x( bv.bv_val, ctx );
+ }
+
+ return rc;
+}
+
+/* A wrapper for value match, handles Equality matches for attributes
+ * with ordered values.
+ */
+int
+ordered_value_match(
+ int *match,
+ AttributeDescription *ad,
+ MatchingRule *mr,
+ unsigned flags,
+ struct berval *v1, /* stored value */
+ struct berval *v2, /* assertion */
+ const char ** text )
+{
+ struct berval bv1, bv2;
+
+ /* X-ORDERED VALUES equality matching:
+ * If (SLAP_MR_IS_VALUE_OF_ATTRIBUTE_SYNTAX) that means we are
+ * comparing two attribute values. In this case, we want to ignore
+ * the ordering index of both values, we just want to know if their
+ * main values are equal.
+ *
+ * If (SLAP_MR_IS_VALUE_OF_ASSERTION_SYNTAX) then we are comparing
+ * an assertion against an attribute value.
+ * If the assertion has no index, the index of the value is ignored.
+ * If the assertion has only an index, the remainder of the value is
+ * ignored.
+ * If the assertion has index and value, both are compared.
+ */
+ if ( ad->ad_type->sat_flags & SLAP_AT_ORDERED ) {
+ char *ptr;
+ struct berval iv;
+
+ bv1 = *v1;
+ bv2 = *v2;
+ iv = bv2;
+
+ /* Skip past the assertion index */
+ if ( bv2.bv_val[0] == '{' ) {
+ ptr = strchr( bv2.bv_val, '}' ) + 1;
+ bv2.bv_len -= ptr - bv2.bv_val;
+ bv2.bv_val = ptr;
+ v2 = &bv2;
+ }
+
+ if ( SLAP_MR_IS_VALUE_OF_ASSERTION_SYNTAX( flags )) {
+ if ( iv.bv_val[0] == '{' && bv1.bv_val[0] == '{' ) {
+ /* compare index values first */
+ long l1, l2, ret;
+
+ l1 = strtol( bv1.bv_val+1, NULL, 0 );
+ l2 = strtol( iv.bv_val+1, &ptr, 0 );
+
+ ret = l1 - l2;
+
+ /* If not equal, or we're only comparing the index,
+ * return result now.
+ */
+ if ( ret || ptr == iv.bv_val + iv.bv_len - 1 ) {
+ *match = ( ret < 0 ) ? -1 : (ret > 0 );
+ return LDAP_SUCCESS;
+ }
+ }
+ }
+ /* Skip past the attribute index */
+ if ( bv1.bv_val[0] == '{' ) {
+ ptr = strchr( bv1.bv_val, '}' ) + 1;
+ bv1.bv_len -= ptr - bv1.bv_val;
+ bv1.bv_val = ptr;
+ v1 = &bv1;
+ }
+ }
+
+ if ( !mr || !mr->smr_match ) {
+ *match = ber_bvcmp( v1, v2 );
+ return LDAP_SUCCESS;
+ }
+
+ return value_match( match, ad, mr, flags, v1, v2, text );
+}
+
+int
+ordered_value_add(
+ Entry *e,
+ AttributeDescription *ad,
+ Attribute *a,
+ BerVarray vals,
+ BerVarray nvals
+)
+{
+ int i, j, k, anum, vnum;
+ BerVarray new, nnew = NULL;
+
+ /* count new vals */
+ for (i=0; !BER_BVISNULL( vals+i ); i++) ;
+ vnum = i;
+
+ if ( a ) {
+ for (i=0; !BER_BVISNULL( a->a_vals+i ); i++) ;
+ anum = i;
+ ordered_value_sort( a, 0 );
+ } else {
+ Attribute **ap;
+ anum = 0;
+ for ( ap=&e->e_attrs; *ap; ap = &(*ap)->a_next ) ;
+ a = ch_calloc( 1, sizeof(Attribute) );
+ a->a_desc = ad;
+ *ap = a;
+ }
+
+ new = ch_malloc( (anum+vnum+1) * sizeof(struct berval));
+ if ( a->a_nvals && a->a_nvals != a->a_vals ) {
+ nnew = ch_malloc( (anum+vnum+1) * sizeof(struct berval));
+ /* Shouldn't happen... */
+ if ( !nvals ) nvals = vals;
+ }
+ if ( anum ) {
+ AC_MEMCPY( new, a->a_vals, anum * sizeof(struct berval));
+ if ( nnew )
+ AC_MEMCPY( nnew, a->a_nvals, anum * sizeof(struct berval));
+ }
+
+ for (i=0; i<vnum; i++) {
+ k = -1;
+ if ( vals[i].bv_val[0] == '{' ) {
+ k = strtol( vals[i].bv_val+1, NULL, 0 );
+ if ( k > anum ) k = -1;
+ }
+ /* No index, or index is greater than current number of
+ * values, just tack onto the end
+ */
+ if ( k < 0 ) {
+ ber_dupbv( new+anum, vals+i );
+ if ( nnew ) ber_dupbv( nnew+anum, nvals+i );
+
+ /* Indexed, push everything else down one and insert */
+ } else {
+ for (j=anum; j>k; j--) {
+ new[j] = new[j-1];
+ if ( nnew ) nnew[j] = nnew[j-1];
+ }
+ ber_dupbv( new+k, vals+i );
+ if ( nnew ) ber_dupbv( nnew+k, nvals+i );
+ }
+ anum++;
+ }
+ BER_BVZERO( new+anum );
+ ch_free( a->a_vals );
+ a->a_vals = new;
+ if ( nnew ) {
+ BER_BVZERO( nnew+anum );
+ ch_free( a->a_nvals );
+ a->a_nvals = nnew;
+ } else {
+ a->a_nvals = a->a_vals;
+ }
+
+ ordered_value_renumber( a, anum );
+
+ return 0;
+}