/* $OpenLDAP$ */ /* * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved. * COPYING RESTRICTIONS APPLY, see COPYRIGHT file */ /* * 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. */ /* * LDAP v3 newSuperior support. * * Copyright 1999, Juan C. Gomez, All rights reserved. * This software is not subject to any license of Silicon Graphics * Inc. or Purdue University. * * Redistribution and use in source and binary forms are permitted * without restriction or fee of any kind as long as this notice * is preserved. * */ #include "portable.h" #include #include #include #include "ldap_pvt.h" #include "slap.h" #ifdef LDAP_SLAPI #include "slapi.h" #endif int do_modrdn( Operation *op, SlapReply *rs ) { struct berval dn = { 0, NULL }; struct berval newrdn = { 0, NULL }; struct berval newSuperior = { 0, NULL }; ber_int_t deloldrdn; struct berval pnewSuperior = { 0, NULL }; struct berval nnewSuperior = { 0, NULL }; Backend *newSuperior_be = NULL; ber_len_t length; int manageDSAit; #ifdef LDAP_SLAPI Slapi_PBlock *pb = op->o_pb; #endif #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ENTRY, "do_modrdn: begin\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 ); #endif /* * Parse the modrdn request. It looks like this: * * ModifyRDNRequest := SEQUENCE { * entry DistinguishedName, * newrdn RelativeDistinguishedName * deleteoldrdn BOOLEAN, * newSuperior [0] LDAPDN OPTIONAL (v3 Only!) * } */ if ( ber_scanf( op->o_ber, "{mmb", &dn, &newrdn, &deloldrdn ) == LBER_ERROR ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "do_modrdn: ber_scanf failed\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 ); #endif send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" ); return SLAPD_DISCONNECT; } /* Check for newSuperior parameter, if present scan it */ if ( ber_peek_tag( op->o_ber, &length ) == LDAP_TAG_NEWSUPERIOR ) { if ( op->o_protocol < LDAP_VERSION3 ) { /* Conection record indicates v2 but field * newSuperior is present: report error. */ #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "do_modrdn: (v2) invalid field newSuperior.\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "modrdn(v2): invalid field newSuperior!\n", 0, 0, 0 ); #endif send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" ); rs->sr_err = SLAPD_DISCONNECT; goto cleanup; } if ( ber_scanf( op->o_ber, "m", &newSuperior ) == LBER_ERROR ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "do_modrdn: ber_scanf(\"m\") failed\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "ber_scanf(\"m\") failed\n", 0, 0, 0 ); #endif send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" ); rs->sr_err = SLAPD_DISCONNECT; goto cleanup; } op->orr_newSup = &pnewSuperior; op->orr_nnewSup = &nnewSuperior; } #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ARGS, "do_modrdn: dn (%s) newrdn (%s) newsuperior(%s)\n", dn.bv_val, newrdn.bv_val, newSuperior.bv_len ? newSuperior.bv_val : "" ); #else Debug( LDAP_DEBUG_ARGS, "do_modrdn: dn (%s) newrdn (%s) newsuperior (%s)\n", dn.bv_val, newrdn.bv_val, newSuperior.bv_len ? newSuperior.bv_val : "" ); #endif if ( ber_scanf( op->o_ber, /*{*/ "}") == LBER_ERROR ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "do_modrdn: ber_scanf failed\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "do_modrdn: ber_scanf failed\n", 0, 0, 0 ); #endif send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" ); rs->sr_err = SLAPD_DISCONNECT; goto cleanup; } if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "do_modrdn: get_ctrls failed\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "do_modrdn: get_ctrls failed\n", 0, 0, 0 ); #endif /* get_ctrls has sent results. Now clean up. */ goto cleanup; } rs->sr_err = dnPrettyNormal( NULL, &dn, &op->o_req_dn, &op->o_req_ndn, op->o_tmpmemctx ); if( rs->sr_err != LDAP_SUCCESS ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, INFO, "do_modrdn: conn %d invalid dn (%s)\n", op->o_connid, dn.bv_val, 0 ); #else Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 ); #endif send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid DN" ); goto cleanup; } if( op->o_req_ndn.bv_len == 0 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "do_modrdn: attempt to modify root DSE.\n", 0, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "do_modrdn: root dse!\n", 0, 0, 0 ); #endif send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM, "cannot rename the root DSE" ); goto cleanup; } else if ( bvmatch( &op->o_req_ndn, &global_schemandn ) ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "do_modrdn: attempt to modify subschema subentry: %s (%ld)\n", global_schemandn.bv_val, (long) global_schemandn.bv_len, 0 ); #else Debug( LDAP_DEBUG_ANY, "do_modrdn: subschema subentry: %s (%ld)\n", global_schemandn.bv_val, (long) global_schemandn.bv_len, 0 ); #endif send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM, "cannot rename subschema subentry" ); goto cleanup; } /* FIXME: should have/use rdnPretty / rdnNormalize routines */ rs->sr_err = dnPrettyNormal( NULL, &newrdn, &op->orr_newrdn, &op->orr_nnewrdn, op->o_tmpmemctx ); if( rs->sr_err != LDAP_SUCCESS ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, INFO, "do_modrdn: conn %d invalid newrdn (%s)\n", op->o_connid, newrdn.bv_val, 0 ); #else Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 ); #endif send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" ); goto cleanup; } if( rdnValidate( &op->orr_newrdn ) != LDAP_SUCCESS ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, ERR, "do_modrdn: invalid rdn (%s).\n", op->orr_newrdn.bv_val, 0, 0 ); #else Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n", op->orr_newrdn.bv_val, 0, 0 ); #endif send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid new RDN" ); goto cleanup; } if( op->orr_newSup ) { rs->sr_err = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior, &nnewSuperior, op->o_tmpmemctx ); if( rs->sr_err != LDAP_SUCCESS ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, INFO, "do_modrdn: conn %d invalid newSuperior (%s)\n", op->o_connid, newSuperior.bv_val, 0 ); #else Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid newSuperior (%s)\n", newSuperior.bv_val, 0, 0 ); #endif send_ldap_error( op, rs, LDAP_INVALID_DN_SYNTAX, "invalid newSuperior" ); goto cleanup; } } Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MODRDN dn=\"%s\"\n", op->o_connid, op->o_opid, op->o_req_dn.bv_val, 0, 0 ); manageDSAit = get_manageDSAit( op ); /* * We could be serving multiple database backends. Select the * appropriate one, or send a referral to our "referral server" * if we don't hold it. */ if ( (op->o_bd = select_backend( &op->o_req_ndn, manageDSAit, 0 )) == NULL ) { rs->sr_ref = referral_rewrite( default_referral, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT ); if (!rs->sr_ref) rs->sr_ref = default_referral; if ( rs->sr_ref != NULL ) { rs->sr_err = LDAP_REFERRAL; send_ldap_result( op, rs ); if (rs->sr_ref != default_referral) ber_bvarray_free( rs->sr_ref ); } else { send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM, "referral missing" ); } goto cleanup; } /* check restrictions */ if( backend_check_restrictions( op, rs, NULL ) != LDAP_SUCCESS ) { send_ldap_result( op, rs ); goto cleanup; } /* check for referrals */ if ( backend_check_referrals( op, rs ) != LDAP_SUCCESS ) { goto cleanup; } /* Make sure that the entry being changed and the newSuperior are in * the same backend, otherwise we return an error. */ if( op->orr_newSup ) { newSuperior_be = select_backend( &nnewSuperior, 0, 0 ); if ( newSuperior_be != op->o_bd ) { /* newSuperior is in different backend */ send_ldap_error( op, rs, LDAP_AFFECTS_MULTIPLE_DSAS, "cannot rename between DSAs" ); goto cleanup; } } #if defined( LDAP_SLAPI ) slapi_x_pblock_set_operation( pb, op ); slapi_pblock_set( pb, SLAPI_MODRDN_TARGET, (void *)dn.bv_val ); slapi_pblock_set( pb, SLAPI_MODRDN_NEWRDN, (void *)newrdn.bv_val ); slapi_pblock_set( pb, SLAPI_MODRDN_NEWSUPERIOR, (void *)newSuperior.bv_val ); slapi_pblock_set( pb, SLAPI_MODRDN_DELOLDRDN, (void *)deloldrdn ); slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)manageDSAit ); rs->sr_err = doPluginFNs( op->o_bd, SLAPI_PLUGIN_PRE_MODRDN_FN, pb ); if ( rs->sr_err < 0 ) { /* * A preoperation plugin failure will abort the * entire operation. */ #ifdef NEW_LOGGING LDAP_LOG( OPERATION, INFO, "do_modrdn: modrdn preoperation plugin " "failed\n", 0, 0, 0 ); #else Debug(LDAP_DEBUG_TRACE, "do_modrdn: modrdn preoperation plugin " "failed.\n", 0, 0, 0); #endif if ( ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rs->sr_err ) != 0 ) || rs->sr_err == LDAP_SUCCESS ) { rs->sr_err = LDAP_OTHER; } goto cleanup; } #endif /* defined( LDAP_SLAPI ) */ /* * do the modrdn if 1 && (2 || 3) * 1) there is a modrdn function implemented in this backend; * 2) this backend is master for what it holds; * 3) it's a replica and the dn supplied is the update_ndn. */ if ( op->o_bd->be_modrdn ) { /* do the update here */ int repl_user = be_isupdate( op->o_bd, &op->o_ndn ); #if defined(LDAP_SYNCREPL) && !defined(SLAPD_MULTIMASTER) if ( !op->o_bd->syncinfo && ( !op->o_bd->be_update_ndn.bv_len || repl_user )) #elif defined(LDAP_SYNCREPL) && defined(SLAPD_MULTIMASTER) if ( !op->o_bd->syncinfo ) /* LDAP_SYNCREPL overrides MM */ #elif !defined(LDAP_SYNCREPL) && !defined(SLAPD_MULTIMASTER) if ( !op->o_bd->be_update_ndn.bv_len || repl_user ) #endif { op->orr_deleteoldrdn = deloldrdn; if ( (op->o_bd->be_modrdn)( op, rs ) == 0 #ifdef SLAPD_MULTIMASTER && ( !op->o_bd->be_update_ndn.bv_len || !repl_user ) #endif ) { replog( op ); } #if defined(LDAP_SYNCREPL) || !defined(SLAPD_MULTIMASTER) } else { BerVarray defref = NULL; #ifdef LDAP_SYNCREPL if ( op->o_bd->syncinfo ) { defref = op->o_bd->syncinfo->master_bv; } else #endif { defref = op->o_bd->be_update_refs ? op->o_bd->be_update_refs : default_referral; } if ( defref != NULL ) { rs->sr_ref = referral_rewrite( defref, NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT ); if (!rs->sr_ref) rs->sr_ref = defref; rs->sr_err = LDAP_REFERRAL; send_ldap_result( op, rs ); if (rs->sr_ref != defref) ber_bvarray_free( rs->sr_ref ); } else { send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM, "referral missing" ); } #endif } } else { send_ldap_error( op, rs, LDAP_UNWILLING_TO_PERFORM, "operation not supported within namingContext" ); } #if defined( LDAP_SLAPI ) if ( doPluginFNs( op->o_bd, SLAPI_PLUGIN_POST_MODRDN_FN, pb ) < 0 ) { #ifdef NEW_LOGGING LDAP_LOG( OPERATION, INFO, "do_modrdn: modrdn postoperation plugins " "failed\n", 0, 0, 0 ); #else Debug(LDAP_DEBUG_TRACE, "do_modrdn: modrdn postoperation plugins " "failed.\n", 0, 0, 0); #endif } #endif /* defined( LDAP_SLAPI ) */ cleanup: op->o_tmpfree( op->o_req_dn.bv_val, op->o_tmpmemctx ); op->o_tmpfree( op->o_req_ndn.bv_val, op->o_tmpmemctx ); op->o_tmpfree( op->orr_newrdn.bv_val, op->o_tmpmemctx ); op->o_tmpfree( op->orr_nnewrdn.bv_val, op->o_tmpmemctx ); if ( pnewSuperior.bv_val ) op->o_tmpfree( pnewSuperior.bv_val, op->o_tmpmemctx ); if ( nnewSuperior.bv_val ) op->o_tmpfree( nnewSuperior.bv_val, op->o_tmpmemctx ); return rs->sr_err; } int slap_modrdn2mods( Operation *op, SlapReply *rs, Entry *e, LDAPRDN old_rdn, LDAPRDN new_rdn, Modifications **pmod ) { Modifications *mod = NULL; int a_cnt, d_cnt; assert( new_rdn != NULL ); assert( !op->orr_deleteoldrdn || old_rdn != NULL ); /* Add new attribute values to the entry */ for ( a_cnt = 0; new_rdn[a_cnt]; a_cnt++ ) { AttributeDescription *desc = NULL; Modifications *mod_tmp; rs->sr_err = slap_bv2ad( &new_rdn[a_cnt]->la_attr, &desc, &rs->sr_text ); if ( rs->sr_err != LDAP_SUCCESS ) { #ifdef NEW_LOGGING LDAP_LOG ( OPERATION, ERR, "slap_modrdn2modlist: %s: %s (new)\n", rs->sr_text, new_rdn[ a_cnt ]->la_attr.bv_val, 0 ); #else Debug( LDAP_DEBUG_TRACE, "slap_modrdn2modlist: %s: %s (new)\n", rs->sr_text, new_rdn[ a_cnt ]->la_attr.bv_val, 0 ); #endif goto done; } /* ACL check of newly added attrs */ if ( op->o_bd && !access_allowed( op, e, desc, &new_rdn[a_cnt]->la_value, ACL_WRITE, NULL ) ) { #ifdef NEW_LOGGING LDAP_LOG ( OPERATION, ERR, "slap_modrdn2modlist: access to attr \"%s\" " "(new) not allowed\n", new_rdn[a_cnt]->la_attr.bv_val, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "slap_modrdn2modlist: access to attr \"%s\" " "(new) not allowed\n", new_rdn[ a_cnt ]->la_attr.bv_val, 0, 0 ); #endif rs->sr_err = LDAP_INSUFFICIENT_ACCESS; goto done; } /* Apply modification */ mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications ) + 4 * sizeof( struct berval ) ); mod_tmp->sml_desc = desc; mod_tmp->sml_values = ( BerVarray )( mod_tmp + 1 ); mod_tmp->sml_values[0] = new_rdn[a_cnt]->la_value; mod_tmp->sml_values[1].bv_val = NULL; if( desc->ad_type->sat_equality->smr_normalize) { mod_tmp->sml_nvalues = &mod_tmp->sml_values[2]; (void) (*desc->ad_type->sat_equality->smr_normalize)( SLAP_MR_EQUALITY, desc->ad_type->sat_syntax, desc->ad_type->sat_equality, &mod_tmp->sml_values[0], &mod_tmp->sml_nvalues[0], op->o_tmpmemctx ); mod_tmp->sml_nvalues[1].bv_val = NULL; } else { mod_tmp->sml_nvalues = NULL; } mod_tmp->sml_op = SLAP_MOD_SOFTADD; mod_tmp->sml_next = mod; mod = mod_tmp; } /* Remove old rdn value if required */ if ( op->orr_deleteoldrdn ) { for ( d_cnt = 0; old_rdn[d_cnt]; d_cnt++ ) { AttributeDescription *desc = NULL; Modifications *mod_tmp; rs->sr_err = slap_bv2ad( &old_rdn[d_cnt]->la_attr, &desc, &rs->sr_text ); if ( rs->sr_err != LDAP_SUCCESS ) { #ifdef NEW_LOGGING LDAP_LOG ( OPERATION, ERR, "slap_modrdn2modlist: %s: %s (old)\n", rs->sr_text, old_rdn[d_cnt]->la_attr.bv_val, 0 ); #else Debug( LDAP_DEBUG_TRACE, "slap_modrdn2modlist: %s: %s (old)\n", rs->sr_text, old_rdn[d_cnt]->la_attr.bv_val, 0 ); #endif goto done; } /* ACL check of newly added attrs */ if ( op->o_bd && !access_allowed( op, e, desc, &old_rdn[d_cnt]->la_value, ACL_WRITE, NULL ) ) { #ifdef NEW_LOGGING LDAP_LOG ( OPERATION, ERR, "slap_modrdn2modlist: access " "to attr \"%s\" (old) not allowed\n", old_rdn[ d_cnt ]->la_attr.bv_val, 0, 0 ); #else Debug( LDAP_DEBUG_TRACE, "slap_modrdn2modlist: access " "to attr \"%s\" (old) not allowed\n", old_rdn[ d_cnt ]->la_attr.bv_val, 0, 0 ); #endif rs->sr_err = LDAP_INSUFFICIENT_ACCESS; goto done; } /* Apply modification */ mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications ) + 4 * sizeof ( struct berval ) ); mod_tmp->sml_desc = desc; mod_tmp->sml_values = ( BerVarray )(mod_tmp+1); mod_tmp->sml_values[0] = old_rdn[d_cnt]->la_value; mod_tmp->sml_values[1].bv_val = NULL; if( desc->ad_type->sat_equality->smr_normalize) { mod_tmp->sml_nvalues = &mod_tmp->sml_values[2]; (void) (*desc->ad_type->sat_equality->smr_normalize)( SLAP_MR_EQUALITY, desc->ad_type->sat_syntax, desc->ad_type->sat_equality, &mod_tmp->sml_values[0], &mod_tmp->sml_nvalues[0], op->o_tmpmemctx ); mod_tmp->sml_nvalues[1].bv_val = NULL; } else { mod_tmp->sml_nvalues = NULL; } mod_tmp->sml_op = LDAP_MOD_DELETE; mod_tmp->sml_next = mod; mod = mod_tmp; } } done: /* LDAP v2 supporting correct attribute handling. */ if ( rs->sr_err != LDAP_SUCCESS && mod != NULL ) { Modifications *tmp; for ( ; mod; mod = tmp ) { tmp = mod->sml_next; ch_free( mod ); } } *pmod = mod; return rs->sr_err; }