X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fattr.c;h=7042d18c2b38f4e7a4cc0df377755101800e877c;hb=60339c7f774099c3e497ad18efcd8304324c30c6;hp=b064c92b2b4a80976ca6c02e9266922e733a5ce7;hpb=0dbaf87730ec9afe44dceaa452ae51e1dcaac3e7;p=openldap diff --git a/servers/slapd/attr.c b/servers/slapd/attr.c index b064c92b2b..7042d18c2b 100644 --- a/servers/slapd/attr.c +++ b/servers/slapd/attr.c @@ -1,9 +1,28 @@ +/* attr.c - routines for dealing with attributes */ /* $OpenLDAP$ */ -/* - * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved. - * COPYING RESTRICTIONS APPLY, see COPYRIGHT file +/* This work is part of OpenLDAP Software . + * + * Copyright 1998-2005 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 + * . + */ +/* Portions Copyright (c) 1995 Regents of the University of Michigan. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that this notice is preserved and that due credit is given + * to the University of Michigan at Ann Arbor. The name of the University + * may not be used to endorse or promote products derived from this + * software without specific prior written permission. This software + * is provided ``as is'' without express or implied warranty. */ -/* attr.c - routines for dealing with attributes */ #include "portable.h" @@ -19,25 +38,58 @@ #include #include -#include "ldap_pvt.h" #include "slap.h" -#ifdef LDAP_DEBUG -static void at_index_print( void ); +Attribute * +attr_alloc( AttributeDescription *ad ) +{ + Attribute *a = ch_malloc( sizeof(Attribute) ); + + a->a_desc = ad; + a->a_next = NULL; + a->a_flags = 0; + a->a_vals = NULL; + a->a_nvals = NULL; +#ifdef LDAP_COMP_MATCH + a->a_comp_data = NULL; #endif + return a; +} + void attr_free( Attribute *a ) { -#ifdef SLAPD_SCHEMA_NOT_COMPAT - ad_free( &a->a_desc, 0 ); -#else - free( a->a_type ); -#endif - ber_bvecfree( a->a_vals ); + if ( a->a_nvals && a->a_nvals != a->a_vals ) { + ber_bvarray_free( a->a_nvals ); + } + /* a_vals may be equal to slap_dummy_bv, a static empty berval; + * this is used as a placeholder for attributes that do not carry + * values, e.g. when proxying search entries with the "attrsonly" + * bit set. */ + if ( a->a_vals != &slap_dummy_bv ) { + ber_bvarray_free( a->a_vals ); + } free( a ); } +#ifdef LDAP_COMP_MATCH +void +comp_tree_free( Attribute *a ) +{ + Attribute *next; + + for( ; a != NULL ; a = next ) { + next = a->a_next; + if ( component_destructor && a->a_comp_data ) { + if ( a->a_comp_data->cd_mem_op ) + component_destructor( a->a_comp_data->cd_mem_op ); + free ( a->a_comp_data ); + } + } +} +#endif + void attrs_free( Attribute *a ) { @@ -49,49 +101,55 @@ attrs_free( Attribute *a ) } } -Attribute *attr_dup( Attribute *a ) +Attribute * +attr_dup( Attribute *a ) { Attribute *tmp; - if( a == NULL) return NULL; + if ( a == NULL) return NULL; - tmp = ch_malloc( sizeof(Attribute) ); + tmp = attr_alloc( a->a_desc ); - if( a->a_vals != NULL ) { + if ( a->a_vals != NULL ) { int i; - for( i=0; a->a_vals[i] != NULL; i++ ) { + for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) { /* EMPTY */ ; } - tmp->a_vals = ch_malloc((i+1) * sizeof(struct berval*)); + tmp->a_vals = ch_malloc( (i + 1) * sizeof(struct berval) ); + for ( i = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) { + ber_dupbv( &tmp->a_vals[i], &a->a_vals[i] ); + if ( BER_BVISNULL( &tmp->a_vals[i] ) ) break; + /* FIXME: error? */ + } + BER_BVZERO( &tmp->a_vals[i] ); + + /* a_nvals must be non null; it may be equal to a_vals */ + assert( a->a_nvals ); - for( i=0; a->a_vals[i] != NULL; i++ ) { - tmp->a_vals[i] = ber_bvdup( a->a_vals[i] ); + if ( a->a_nvals != a->a_vals ) { + tmp->a_nvals = ch_malloc( (i + 1) * sizeof(struct berval) ); + for ( i = 0; !BER_BVISNULL( &a->a_nvals[i] ); i++ ) { + ber_dupbv( &tmp->a_nvals[i], &a->a_nvals[i] ); + if ( BER_BVISNULL( &tmp->a_nvals[i] ) ) break; + /* FIXME: error? */ + } + BER_BVZERO( &tmp->a_nvals[i] ); - if( tmp->a_vals[i] == NULL ) break; + } else { + tmp->a_nvals = tmp->a_vals; } - tmp->a_vals[i] = NULL; - } else { tmp->a_vals = NULL; + tmp->a_nvals = NULL; } - -#ifdef SLAPD_SCHEMA_NOT_COMPAT - tmp->a_desc = a->a_desc; - tmp->a_desc.ad_cname = ber_bvdup( a->a_desc.ad_cname ); - tmp->a_desc.ad_lang = ch_strdup( a->a_desc.ad_lang ); -#else - tmp->a_type = ch_strdup( a->a_type ); - tmp->a_syntax = a->a_syntax; -#endif - tmp->a_next = NULL; - return tmp; } -Attribute *attrs_dup( Attribute *a ) +Attribute * +attrs_dup( Attribute *a ) { Attribute *tmp, **next; @@ -109,105 +167,185 @@ Attribute *attrs_dup( Attribute *a ) return tmp; } -#ifndef SLAPD_SCHEMA_NOT_COMPAT -/* - * attr_normalize - normalize an attribute name (make it all lowercase) - */ - -char * -attr_normalize( char *s ) -{ - assert( s != NULL ); - - return( ldap_pvt_str2lower( s ) ); -} -#endif -#ifndef SLAPD_SCHEMA_NOT_COMPAT /* - * attr_merge_fast - merge the given type and value with the list of - * attributes in attrs. called from str2entry(), where we can make some - * assumptions to make things faster. + * attr_merge - merge the given type and value with the list of + * attributes in attrs. + * + * nvals must be NULL if the attribute has no normalizer. + * In this case, a->a_nvals will be set equal to a->a_vals. + * * returns 0 everything went ok * -1 trouble */ int -attr_merge_fast( - Entry *e, - const char *type, - struct berval **vals, - int nvals, - int naddvals, - int *maxvals, - Attribute ***a -) +attr_merge( + Entry *e, + AttributeDescription *desc, + BerVarray vals, + BerVarray nvals ) { - if ( *a == NULL ) { - for ( *a = &e->e_attrs; **a != NULL; *a = &(**a)->a_next ) { -#ifdef SLAPD_SCHEMA_NOT_COMPAT - /* not yet implemented */ -#else - if ( strcasecmp( (**a)->a_type, type ) == 0 ) { - break; - } -#endif + int rc; + + Attribute **a; + + for ( a = &e->e_attrs; *a != NULL; a = &(*a)->a_next ) { + if ( (*a)->a_desc == desc ) { + break; } } - if ( **a == NULL ) { - **a = (Attribute *) ch_malloc( sizeof(Attribute) ); - (**a)->a_vals = NULL; -#ifndef SLAPD_SCHEMA_NOT_COMPAT - (**a)->a_type = attr_normalize( ch_strdup( type ) ); - (**a)->a_syntax = attr_syntax( type ); -#endif - (**a)->a_next = NULL; + if ( *a == NULL ) { + *a = attr_alloc( desc ); + } else { + /* + * FIXME: if the attribute already exists, the presence + * of nvals and the value of (*a)->a_nvals must be consistent + */ + assert( ( nvals == NULL && (*a)->a_nvals == (*a)->a_vals ) + || ( nvals != NULL && (*a)->a_nvals != (*a)->a_vals ) ); + } + + rc = value_add( &(*a)->a_vals, vals ); + + if ( rc == LDAP_SUCCESS ) { + if ( nvals ) { + rc = value_add( &(*a)->a_nvals, nvals ); + /* FIXME: what if rc != LDAP_SUCCESS ? */ + } else { + (*a)->a_nvals = (*a)->a_vals; + } } - return( value_add_fast( &(**a)->a_vals, vals, nvals, naddvals, - maxvals ) ); + return rc; } -#endif -/* - * attr_merge - merge the given type and value with the list of - * attributes in attrs. - * returns 0 everything went ok - * -1 trouble - */ +int +attr_merge_normalize( + Entry *e, + AttributeDescription *desc, + BerVarray vals, + void *memctx ) +{ + BerVarray nvals = NULL; + int rc; + + if ( desc->ad_type->sat_equality && + desc->ad_type->sat_equality->smr_normalize ) + { + int i; + + for ( i = 0; !BER_BVISNULL( &vals[i] ); i++ ); + + nvals = slap_sl_calloc( sizeof(struct berval), i + 1, memctx ); + for ( i = 0; !BER_BVISNULL( &vals[i] ); i++ ) { + rc = (*desc->ad_type->sat_equality->smr_normalize)( + SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX, + desc->ad_type->sat_syntax, + desc->ad_type->sat_equality, + &vals[i], &nvals[i], memctx ); + + if ( rc != LDAP_SUCCESS ) { + BER_BVZERO( &nvals[i + 1] ); + goto error_return; + } + } + BER_BVZERO( &nvals[i] ); + } + + rc = attr_merge( e, desc, vals, nvals ); + +error_return:; + if ( nvals != NULL ) { + ber_bvarray_free_x( nvals, memctx ); + } + return rc; +} int -attr_merge( - Entry *e, - const char *type, - struct berval **vals ) +attr_merge_one( + Entry *e, + AttributeDescription *desc, + struct berval *val, + struct berval *nval ) { + int rc; Attribute **a; for ( a = &e->e_attrs; *a != NULL; a = &(*a)->a_next ) { -#ifdef SLAPD_SCHEMA_NOT_COMPAT - /* not yet implemented */ -#else - if ( strcasecmp( (*a)->a_type, type ) == 0 ) { + if ( (*a)->a_desc == desc ) { break; } -#endif } if ( *a == NULL ) { - *a = (Attribute *) ch_malloc( sizeof(Attribute) ); -#ifdef SLAPD_SCHEMA_NOT_COMPAT - /* not yet implemented */ -#else - (*a)->a_type = attr_normalize( ch_strdup( type ) ); - (*a)->a_syntax = attr_syntax( type ); -#endif - (*a)->a_vals = NULL; - (*a)->a_next = NULL; + *a = attr_alloc( desc ); + } + + rc = value_add_one( &(*a)->a_vals, val ); + + if ( rc == LDAP_SUCCESS ) { + if ( nval ) { + rc = value_add_one( &(*a)->a_nvals, nval ); + /* FIXME: what if rc != LDAP_SUCCESS ? */ + } else { + (*a)->a_nvals = (*a)->a_vals; + } + } + return rc; +} + +int +attr_merge_normalize_one( + Entry *e, + AttributeDescription *desc, + struct berval *val, + void *memctx ) +{ + struct berval nval; + struct berval *nvalp = NULL; + int rc; + + if ( desc->ad_type->sat_equality && + desc->ad_type->sat_equality->smr_normalize ) + { + rc = (*desc->ad_type->sat_equality->smr_normalize)( + SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX, + desc->ad_type->sat_syntax, + desc->ad_type->sat_equality, + val, &nval, memctx ); + + if ( rc != LDAP_SUCCESS ) { + return rc; + } + nvalp = &nval; } - return( value_add( &(*a)->a_vals, vals ) ); + rc = attr_merge_one( e, desc, val, nvalp ); + if ( nvalp != NULL ) { + slap_sl_free( nval.bv_val, memctx ); + } + return rc; +} + +/* + * attrs_find - find attribute(s) by AttributeDescription + * returns next attribute which is subtype of provided description. + */ + +Attribute * +attrs_find( + Attribute *a, + AttributeDescription *desc ) +{ + for ( ; a != NULL; a = a->a_next ) { + if ( is_ad_subtype( a->a_desc, desc ) ) { + return( a ); + } + } + + return( NULL ); } /* @@ -217,17 +355,12 @@ attr_merge( Attribute * attr_find( Attribute *a, - const char *type -) + AttributeDescription *desc ) { for ( ; a != NULL; a = a->a_next ) { -#ifdef SLAPD_SCHEMA_NOT_COMPAT - /* not yet implemented */ -#else - if ( strcasecmp( a->a_type, type ) == 0 ) { + if ( a->a_desc == desc ) { return( a ); } -#endif } return( NULL ); @@ -243,30 +376,20 @@ attr_find( int attr_delete( Attribute **attrs, - const char *type -) + AttributeDescription *desc ) { Attribute **a; - Attribute *save; for ( a = attrs; *a != NULL; a = &(*a)->a_next ) { -#ifdef SLAPD_SCHEMA_NOT_COMPAT - /* not yet implemented */ -#else - if ( strcasecmp( (*a)->a_type, type ) == 0 ) { - break; - } -#endif - } + if ( (*a)->a_desc == desc ) { + Attribute *save = *a; + *a = (*a)->a_next; + attr_free( save ); - if ( *a == NULL ) { - return( 1 ); + return LDAP_SUCCESS; + } } - save = *a; - *a = (*a)->a_next; - attr_free( save ); - - return( 0 ); + return LDAP_NO_SUCH_ATTRIBUTE; }