+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
/*
* Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
* 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 "slapi_common.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
+#include "ldap_pvt.h"
#include "slap.h"
+#include "slapi.h"
-extern Backend *select_backend();
-
-extern char *default_referral;
-
-void
+int
do_modrdn(
Connection *conn,
Operation *op
)
{
- char *dn, *odn, *newrdn;
- int deloldrdn;
+ struct berval dn = { 0, NULL };
+ struct berval newrdn = { 0, NULL };
+ struct berval newSuperior = { 0, NULL };
+ ber_int_t deloldrdn;
+
+ struct berval pdn = { 0, NULL };
+ struct berval pnewrdn = { 0, NULL };
+ struct berval pnewSuperior = { 0, NULL }, *pnewS = NULL;
+
+ struct berval ndn = { 0, NULL };
+ struct berval nnewrdn = { 0, NULL };
+ struct berval nnewSuperior = { 0, NULL }, *nnewS = NULL;
+
Backend *be;
+ Backend *newSuperior_be = NULL;
+ ber_len_t length;
+ int rc;
+ const char *text;
+ int manageDSAit;
+
+ Slapi_PBlock *pb = op->o_pb;
+#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, "{aab}", &dn, &newrdn, &deloldrdn )
- == LBER_ERROR ) {
+ 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 );
- send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
- return;
+#endif
+
+ send_ldap_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, "decoding error" );
+ return SLAPD_DISCONNECT;
}
- odn = strdup( dn );
- dn_normalize( dn );
+ /* 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_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, "newSuperior requires LDAPv3" );
+ rc = 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_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, "decoding error" );
+ rc = SLAPD_DISCONNECT;
+ goto cleanup;
+ }
+ pnewS = &pnewSuperior;
+ nnewS = &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) deloldrdn (%d)\n", dn, newrdn,
- deloldrdn );
+ "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_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, "decoding error" );
+ rc = SLAPD_DISCONNECT;
+ goto cleanup;
+ }
+
+ if( (rc = get_ctrls( conn, op, 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;
+ }
+
+ rc = dnPrettyNormal( NULL, &dn, &pdn, &ndn );
+ if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "do_modrdn: conn %d invalid dn (%s)\n",
+ conn->c_connid, dn.bv_val, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "do_modrdn: invalid dn (%s)\n", dn.bv_val, 0, 0 );
+#endif
+ send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+ "invalid DN", NULL, NULL );
+ goto cleanup;
+ }
+
+ if( 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_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+ NULL, "cannot rename the root DSE", NULL, NULL );
+ goto cleanup;
+
+ } else if ( bvmatch( &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_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+ NULL, "cannot rename subschema subentry", NULL, NULL );
+ goto cleanup;
+ }
+
+ /* FIXME: should have/use rdnPretty / rdnNormalize routines */
+
+ rc = dnPrettyNormal( NULL, &newrdn, &pnewrdn, &nnewrdn );
+ if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "do_modrdn: conn %d invalid newrdn (%s)\n",
+ conn->c_connid, newrdn.bv_val, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "do_modrdn: invalid newrdn (%s)\n", newrdn.bv_val, 0, 0 );
+#endif
+ send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+ "invalid new RDN", NULL, NULL );
+ goto cleanup;
+ }
+
+ if( rdnValidate( &pnewrdn ) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, ERR,
+ "do_modrdn: invalid rdn (%s).\n", pnewrdn.bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY, "do_modrdn: invalid rdn (%s)\n",
+ pnewrdn.bv_val, 0, 0 );
+#endif
+
+ send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+ "invalid new RDN", NULL, NULL );
+ goto cleanup;
+ }
+
+ if( pnewS ) {
+ rc = dnPrettyNormal( NULL, &newSuperior, &pnewSuperior,
+ &nnewSuperior );
+ if( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "do_modrdn: conn %d invalid newSuperior (%s)\n",
+ conn->c_connid, newSuperior.bv_val, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "do_modrdn: invalid newSuperior (%s)\n",
+ newSuperior.bv_val, 0, 0 );
+#endif
+ send_ldap_result( conn, op, rc = LDAP_INVALID_DN_SYNTAX, NULL,
+ "invalid newSuperior", NULL, NULL );
+ goto cleanup;
+ }
+ }
+
+ Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu MODRDN dn=\"%s\"\n",
+ op->o_connid, op->o_opid, pdn.bv_val, 0, 0 );
- Statslog( LDAP_DEBUG_STATS, "conn=%d op=%d MODRDN dn=\"%s\"\n",
- conn->c_connid, op->o_opid, dn, 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 ( (be = select_backend( &ndn, manageDSAit, 0 )) == NULL ) {
+ BerVarray ref = referral_rewrite( default_referral,
+ NULL, &pdn, LDAP_SCOPE_DEFAULT );
+
+ send_ldap_result( conn, op, rc = LDAP_REFERRAL,
+ NULL, NULL, ref ? ref : default_referral, NULL );
+
+ ber_bvarray_free( ref );
+ goto cleanup;
+ }
+
+ /* check restrictions */
+ rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
+ if( rc != LDAP_SUCCESS ) {
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+ goto cleanup;
+ }
+
+ /* check for referrals */
+ rc = backend_check_referrals( be, conn, op, &pdn, &ndn );
+ if ( rc != 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( pnewS ) {
+ newSuperior_be = select_backend( &nnewSuperior, 0, 0 );
+
+ if ( newSuperior_be != be ) {
+ /* newSuperior is in same backend */
+ rc = LDAP_AFFECTS_MULTIPLE_DSAS;
+
+ send_ldap_result( conn, op, rc,
+ NULL, "cannot rename between DSAa", NULL, NULL );
- if ( (be = select_backend( dn )) == NULL ) {
- free( dn );
- free( odn );
- free( newrdn );
- send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
- default_referral );
- return;
+ goto cleanup;
+ }
+
+ /* deref suffix alias if appropriate */
+ suffix_alias( be, &nnewSuperior );
}
+ /* deref suffix alias if appropriate */
+ suffix_alias( be, &ndn );
+
+#if defined( LDAP_SLAPI )
+ slapi_pblock_set( pb, SLAPI_BACKEND, (void *)be );
+ slapi_pblock_set( pb, SLAPI_CONNECTION, (void *)conn );
+ slapi_pblock_set( pb, SLAPI_OPERATION, (void *)op );
+ slapi_pblock_set( pb, SLAPI_BIND_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_REQCONTROLS, (void *)op->o_ctrls );
+ slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(1) );
+
+ rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_MODRDN_FN, pb );
+ if ( rc != 0 && rc != LDAP_OTHER ) {
+ /*
+ * either there is no preOp (modrdn) plugins
+ * or a plugin failed. Just log it
+ *
+ * FIXME: is this correct?
+ */
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO, "do_modrdn: modrdn preOps failed\n"));
+#else
+ Debug (LDAP_DEBUG_TRACE, " modrdn preOps failed.\n", 0, 0, 0);
+#endif
+ }
+#endif /* defined( LDAP_SLAPI ) */
+
/*
* do the add if 1 && (2 || 3)
* 1) there is an add 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 updatedn.
+ * 3) it's a replica and the dn supplied is the update_ndn.
*/
- if ( be->be_modrdn != NULL ) {
+ if ( be->be_modrdn ) {
/* do the update here */
- if ( be->be_updatedn == NULL || strcasecmp( be->be_updatedn,
- op->o_dn ) == 0 ) {
- if ( (*be->be_modrdn)( be, conn, op, dn, newrdn,
- deloldrdn ) == 0 ) {
- replog( be, LDAP_REQ_MODRDN, odn, newrdn,
- deloldrdn );
+ int repl_user = be_isupdate( be, &op->o_ndn );
+#ifndef SLAPD_MULTIMASTER
+ if ( !be->be_update_ndn.bv_len || repl_user )
+#endif
+ {
+ if ( (*be->be_modrdn)( be, conn, op, &pdn, &ndn,
+ &pnewrdn, &nnewrdn, deloldrdn,
+ pnewS, nnewS ) == 0
+#ifdef SLAPD_MULTIMASTER
+ && ( !be->be_update_ndn.bv_len || !repl_user )
+#endif
+ ) {
+ struct slap_replog_moddn moddn;
+ moddn.newrdn = &pnewrdn;
+ moddn.deloldrdn = deloldrdn;
+ moddn.newsup = &pnewSuperior;
+
+ replog( be, op, &pdn, &ndn, &moddn );
}
+#ifndef SLAPD_MULTIMASTER
} else {
- send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
- default_referral );
+ BerVarray defref = be->be_update_refs
+ ? be->be_update_refs : default_referral;
+ BerVarray ref = referral_rewrite( defref,
+ NULL, &pdn, LDAP_SCOPE_DEFAULT );
+
+ send_ldap_result( conn, op, rc = LDAP_REFERRAL, NULL, NULL,
+ ref ? ref : defref, NULL );
+
+ ber_bvarray_free( ref );
+#endif
}
} else {
- send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
- "Function not implemented" );
+ send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+ NULL, "operation not supported within namingContext",
+ NULL, NULL );
}
- free( dn );
- free( odn );
- free( newrdn );
+#if defined( LDAP_SLAPI )
+ rc = doPluginFNs( be, SLAPI_PLUGIN_POST_MODRDN_FN, pb );
+ if ( rc != 0 && rc != LDAP_OTHER ) {
+ /*
+ * either there is no postOp (modrdn) plugins
+ * or a plugin failed. Just log it
+ *
+ * FIXME: is this correct?
+ */
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_INFO, "do_modrdn: modrdn postOps failed\n"));
+#else
+ Debug (LDAP_DEBUG_TRACE, " modrdn postOps failed.\n", 0, 0, 0);
+#endif
+ }
+#endif /* defined( LDAP_SLAPI ) */
+
+cleanup:
+ free( pdn.bv_val );
+ free( ndn.bv_val );
+
+ free( pnewrdn.bv_val );
+ free( nnewrdn.bv_val );
+
+ if ( pnewSuperior.bv_val ) free( pnewSuperior.bv_val );
+ if ( nnewSuperior.bv_val ) free( nnewSuperior.bv_val );
+
+ return rc;
+}
+
+int
+slap_modrdn2mods(
+ Backend *be,
+ Connection *conn,
+ Operation *op,
+ Entry *e,
+ LDAPRDN *old_rdn,
+ LDAPRDN *new_rdn,
+ int deleteoldrdn,
+ Modifications **pmod )
+{
+ int rc = LDAP_SUCCESS;
+ const char *text;
+ Modifications *mod = NULL;
+ int a_cnt, d_cnt;
+
+ assert( new_rdn != NULL );
+ assert( !deleteoldrdn || old_rdn != NULL );
+
+ /* Add new attribute values to the entry */
+ for ( a_cnt = 0; new_rdn[ 0 ][ a_cnt ]; a_cnt++ ) {
+ AttributeDescription *desc = NULL;
+ Modifications *mod_tmp;
+
+ rc = slap_bv2ad( &new_rdn[ 0 ][ a_cnt ]->la_attr,
+ &desc, &text );
+
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, ERR,
+ "slap_modrdn2modlist: %s: %s (new)\n",
+ text,
+ new_rdn[ 0 ][ a_cnt ]->la_attr.bv_val, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_modrdn2modlist: %s: %s (new)\n",
+ text,
+ new_rdn[ 0 ][ a_cnt ]->la_attr.bv_val, 0 );
+#endif
+ goto done;
+ }
+
+ /* ACL check of newly added attrs */
+ if ( be && !access_allowed( be, conn, op, e, desc,
+ &new_rdn[ 0 ][ 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[ 0 ][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[ 0 ][ a_cnt ]->la_attr.bv_val, 0, 0 );
+#endif
+ rc = LDAP_INSUFFICIENT_ACCESS;
+ goto done;
+ }
+
+ /* Apply modification */
+ mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
+ + 2 * sizeof( struct berval ) );
+ mod_tmp->sml_desc = desc;
+ mod_tmp->sml_bvalues = ( BerVarray )( mod_tmp + 1 );
+ mod_tmp->sml_bvalues[ 0 ] = new_rdn[ 0 ][ a_cnt ]->la_value;
+ mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
+ mod_tmp->sml_op = SLAP_MOD_SOFTADD;
+ mod_tmp->sml_next = mod;
+ mod = mod_tmp;
+ }
+
+ /* Remove old rdn value if required */
+ if ( deleteoldrdn ) {
+ for ( d_cnt = 0; old_rdn[ 0 ][ d_cnt ]; d_cnt++ ) {
+ AttributeDescription *desc = NULL;
+ Modifications *mod_tmp;
+
+ rc = slap_bv2ad( &old_rdn[ 0 ][ d_cnt ]->la_attr,
+ &desc, &text );
+
+ if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG ( OPERATION, ERR,
+ "slap_modrdn2modlist: %s: %s (old)\n",
+ text,
+ old_rdn[ 0 ][ d_cnt ]->la_attr.bv_val,
+ 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_modrdn2modlist: %s: %s (old)\n",
+ text,
+ old_rdn[ 0 ][ d_cnt ]->la_attr.bv_val,
+ 0 );
+#endif
+ goto done;
+ }
+
+ /* ACL check of newly added attrs */
+ if ( be && !access_allowed( be, conn, op, e, desc,
+ &old_rdn[ 0 ][ 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[ 0 ][ 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[ 0 ][ d_cnt ]->la_attr.bv_val,
+ 0, 0 );
+#endif
+ rc = LDAP_INSUFFICIENT_ACCESS;
+ goto done;
+ }
+
+ /* Apply modification */
+ mod_tmp = ( Modifications * )ch_malloc( sizeof( Modifications )
+ + 2 * sizeof ( struct berval ) );
+ mod_tmp->sml_desc = desc;
+ mod_tmp->sml_bvalues = ( BerVarray )(mod_tmp+1);
+ mod_tmp->sml_bvalues[ 0 ]
+ = old_rdn[ 0 ][ d_cnt ]->la_value;
+ mod_tmp->sml_bvalues[ 1 ].bv_val = NULL;
+ mod_tmp->sml_op = LDAP_MOD_DELETE;
+ mod_tmp->sml_next = mod;
+ mod = mod_tmp;
+ }
+ }
+
+done:
+ /* LDAP v2 supporting correct attribute handling. */
+ if ( rc != LDAP_SUCCESS && mod != NULL ) {
+ Modifications *tmp;
+ for ( ; mod; mod = tmp ) {
+ tmp = mod->sml_next;
+ ch_free( mod );
+ }
+ }
+
+ *pmod = mod;
+
+ return rc;
}