/* * Copyright 1998-2001 The OpenLDAP Foundation, All Rights Reserved. * COPYING RESTRICTIONS APPLY, see COPYRIGHT file * * Copyright 2001, Pierangelo Masarati, All rights reserved. * * This work has been developed to fulfill the requirements * of SysNet s.n.c. and it has been donated * to the OpenLDAP Foundation in the hope that it may be useful * to the Open Source community, but WITHOUT ANY WARRANTY. * * Permission is granted to anyone to use this software for any purpose * on any computer system, and to alter it and redistribute it, subject * to the following restrictions: * * 1. The author and SysNet s.n.c. are not responsible for the consequences * of use of this software, no matter how awful, even if they arise from * flaws in it. * * 2. The origin of this software must not be misrepresented, either by * explicit claim or by omission. Since few users ever read sources, * credits should appear in the documentation. * * 3. Altered versions must be plainly marked as such, and must not be * misrepresented as being the original software. Since few users * ever read sources, credits should appear in the documentation. * SysNet s.n.c. cannot be responsible for the consequences of the * alterations. * * 4. This notice may not be removed or altered. * * * This software is based on the backend back-ldap, implemented * by Howard Chu , and modified by Mark Valence * , Pierangelo Masarati and other * contributors. The contribution of the original software to the present * implementation is acknowledged in this copyright statement. * * A special acknowledgement goes to Howard for the overall architecture * (and for borrowing large pieces of code), and to Mark, who implemented * from scratch the attribute/objectclass mapping. * * The original copyright statement follows. * * Copyright 1999, Howard Chu, All rights reserved. * * Permission is granted to anyone to use this software for any purpose * on any computer system, and to alter it and redistribute it, subject * to the following restrictions: * * 1. The author is not responsible for the consequences of use of this * software, no matter how awful, even if they arise from flaws in it. * * 2. The origin of this software must not be misrepresented, either by * explicit claim or by omission. Since few users ever read sources, * credits should appear in the documentation. * * 3. Altered versions must be plainly marked as such, and must not be * misrepresented as being the original software. Since few users * ever read sources, credits should appear in the * documentation. * * 4. This notice may not be removed or altered. * */ #include "portable.h" #include #include #include #include "slap.h" #include "../back-ldap/back-ldap.h" #include "back-meta.h" /* return 0 IFF op_dn is a value in group_at (member) attribute * of entry with gr_dn AND that entry has an objectClass * value of group_oc (groupOfNames) */ int meta_back_group( Backend *be, Connection *conn, Operation *op, Entry *target, const char *gr_ndn, const char *op_ndn, ObjectClass *group_oc, AttributeDescription *group_at ) { struct metainfo *li = ( struct metainfo * )be->be_private; int rc = 1, candidate; Attribute *attr; struct berval bv; AttributeDescription *ad_objectClass = slap_schema.si_ad_objectClass; LDAPMessage *result; char *gattr[ 2 ]; char *filter; LDAP *ld; char *mop_ndn, *mgr_ndn; char *group_oc_name = NULL; char *group_at_name = group_at->ad_cname.bv_val; if ( group_oc->soc_names && group_oc->soc_names[ 0 ] ) { group_oc_name = group_oc->soc_names[ 0 ]; } else { group_oc_name = group_oc->soc_oid; } if ( target != NULL && strcmp( target->e_ndn, gr_ndn ) == 0 ) { /* we already have a copy of the entry */ /* attribute and objectclass mapping has already been done */ /* * first we need to check if the objectClass attribute * has been retrieved; otherwise we need to repeat the search */ attr = attr_find( target->e_attrs, ad_objectClass ); if ( attr != NULL ) { /* * Now we can check for the group objectClass value */ if ( !is_entry_objectclass( target, group_oc ) ) { return 1; } /* * This part has been reworked: the group attr compare * fails only if the attribute is PRESENT but the value * is NOT PRESENT; if the attribute is NOT PRESENT, the * search must be repeated as well. * This may happen if a search for an entry has already * been performed (target is not null) but the group * attribute has not been required */ attr = attr_find( target->e_attrs, group_at ); if ( attr != NULL ) { bv.bv_val = ( char * )op_ndn; bv.bv_len = strlen( op_ndn ); rc = value_find( group_at, attr->a_vals, &bv ); if ( rc != LDAP_SUCCESS ) { return 1; } return 0; } /* else: repeat the search */ } /* else: repeat the search */ } /* else: do the search */ candidate = meta_back_select_unique_candidate( li, gr_ndn ); if ( candidate == -1 ) { return 1; } /* * Rewrite the op ndn if needed */ switch ( rewrite_session( li->targets[ candidate ]->rwinfo, "bindDn", op_ndn, conn, &mop_ndn ) ) { case REWRITE_REGEXEC_OK: if ( mop_ndn == NULL ) { mop_ndn = ( char * )op_ndn; } #ifdef NEW_LOGGING LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1, "[rw] bindDn (op ndn in group):" \"%s\" -> \"%s\"\n", op_ndn, mop_ndn )); #else /* !NEW_LOGGING */ Debug( LDAP_DEBUG_ARGS, "rw> bindDn (op ndn in group):" " \"%s\" -> \"%s\"\n%s", op_ndn, mop_ndn, "" ); #endif /* !NEW_LOGGING */ break; case REWRITE_REGEXEC_UNWILLING: /* continues to next case */ case REWRITE_REGEXEC_ERR: return 1; } /* * Rewrite the gr ndn if needed */ switch ( rewrite_session( li->targets[ candidate ]->rwinfo, "searchBase", gr_ndn, conn, &mgr_ndn ) ) { case REWRITE_REGEXEC_OK: if ( mgr_ndn == NULL ) { mgr_ndn = ( char * )gr_ndn; } #ifdef NEW_LOGGING LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1, "[rw] searchBase (gr ndn in group):" " \"%s\" -> \"%s\"\n", gr_ndn, mgr_ndn )); #else /* !NEW_LOGGING */ Debug( LDAP_DEBUG_ARGS, "rw> searchBase (gr ndn in group):" " \"%s\" -> \"%s\"\n%s", gr_ndn, mgr_ndn, "" ); #endif /* !NEW_LOGGING */ break; case REWRITE_REGEXEC_UNWILLING: /* continues to next case */ case REWRITE_REGEXEC_ERR: return 1; } group_oc_name = ldap_back_map( &li->targets[ candidate ]->oc_map, group_oc_name, 0 ); if ( group_oc_name == NULL ) { return 1; } group_at_name = ldap_back_map( &li->targets[ candidate ]->at_map, group_at_name, 0 ); if ( group_at_name == NULL ) { return 1; } filter = ch_malloc( sizeof( "(&(objectclass=)(=))" ) + strlen( group_oc_name ) + strlen( group_at_name ) + strlen( mop_ndn ) + 1 ); if ( filter == NULL ) { goto cleanup; } rc = ldap_initialize( &ld, li->targets[ candidate ]->uri ); if ( rc != LDAP_SUCCESS ) { goto cleanup; } rc = ldap_bind_s( ld, li->targets[ candidate ]->binddn, li->targets[ candidate ]->bindpw, LDAP_AUTH_SIMPLE ); if ( rc != LDAP_SUCCESS ) { goto cleanup; } strcpy( filter, "(&(objectclass=" ); strcat( filter, group_oc_name ); strcat( filter, ")(" ); strcat( filter, group_at_name ); strcat( filter, "=" ); strcat( filter, mop_ndn ); strcat( filter, "))" ); gattr[ 0 ] = "objectclass"; gattr[ 1 ] = NULL; rc = 1; if ( ldap_search_ext_s( ld, mgr_ndn, LDAP_SCOPE_BASE, filter, gattr, 0, NULL, NULL, LDAP_NO_LIMIT, LDAP_NO_LIMIT, &result ) == LDAP_SUCCESS ) { if ( ldap_first_entry( ld, result ) != NULL ) { rc = 0; } ldap_msgfree( result ); } cleanup:; if ( ld != NULL ) { ldap_unbind( ld ); } if ( filter != NULL ) { ch_free( filter ); } if ( mop_ndn != op_ndn ) { free( mop_ndn ); } if ( mgr_ndn != gr_ndn ) { free( mgr_ndn ); } return rc; }