/* $NetBSD: rwmdn.c,v 1.1.1.6.6.1 2019/08/10 06:17:21 martin Exp $ */ /* rwmdn.c - massages dns */ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * * Copyright 1999-2019 The OpenLDAP Foundation. * Portions Copyright 1999-2003 Howard Chu. * Portions Copyright 2000-2003 Pierangelo Masarati. * 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 * . */ /* ACKNOWLEDGEMENTS: * This work was initially developed by Howard Chu for inclusion * in OpenLDAP Software and subsequently enhanced by Pierangelo * Masarati. */ #include __RCSID("$NetBSD: rwmdn.c,v 1.1.1.6.6.1 2019/08/10 06:17:21 martin Exp $"); #include "portable.h" #ifdef SLAPD_OVER_RWM #include #include #include #include "slap.h" #include "rwm.h" /* FIXME: after rewriting, we should also remap attributes ... */ /* * massages "in" and normalizes it into "ndn" * * "ndn" may be untouched if no massaging occurred and its value was not null */ int rwm_dn_massage_normalize( dncookie *dc, struct berval *in, struct berval *ndn ) { int rc; struct berval mdn = BER_BVNULL; /* massage and normalize a DN */ rc = rwm_dn_massage( dc, in, &mdn ); if ( rc != LDAP_SUCCESS ) { return rc; } if ( mdn.bv_val == in->bv_val && !BER_BVISNULL( ndn ) ) { return rc; } rc = dnNormalize( 0, NULL, NULL, &mdn, ndn, NULL ); if ( mdn.bv_val != in->bv_val ) { ch_free( mdn.bv_val ); } return rc; } /* * massages "in" and prettifies it into "pdn" * * "pdn" may be untouched if no massaging occurred and its value was not null */ int rwm_dn_massage_pretty( dncookie *dc, struct berval *in, struct berval *pdn ) { int rc; struct berval mdn = BER_BVNULL; /* massage and pretty a DN */ rc = rwm_dn_massage( dc, in, &mdn ); if ( rc != LDAP_SUCCESS ) { return rc; } if ( mdn.bv_val == in->bv_val && !BER_BVISNULL( pdn ) ) { return rc; } rc = dnPretty( NULL, &mdn, pdn, NULL ); if ( mdn.bv_val != in->bv_val ) { ch_free( mdn.bv_val ); } return rc; } /* * massages "in" and prettifies and normalizes it into "pdn" and "ndn" * * "pdn" may be untouched if no massaging occurred and its value was not null; * "ndn" may be untouched if no massaging occurred and its value was not null; * if no massage occurred and "ndn" value was not null, it is filled * with the normaized value of "pdn", much like ndn = dnNormalize( pdn ) */ int rwm_dn_massage_pretty_normalize( dncookie *dc, struct berval *in, struct berval *pdn, struct berval *ndn ) { int rc; struct berval mdn = BER_BVNULL; /* massage, pretty and normalize a DN */ rc = rwm_dn_massage( dc, in, &mdn ); if ( rc != LDAP_SUCCESS ) { return rc; } if ( mdn.bv_val == in->bv_val && !BER_BVISNULL( pdn ) ) { if ( BER_BVISNULL( ndn ) ) { rc = dnNormalize( 0, NULL, NULL, &mdn, ndn, NULL ); } return rc; } rc = dnPrettyNormal( NULL, &mdn, pdn, ndn, NULL ); if ( mdn.bv_val != in->bv_val ) { ch_free( mdn.bv_val ); } return rc; } /* * massages "in" into "dn" * * "dn" may contain the value of "in" if no massage occurred */ int rwm_dn_massage( dncookie *dc, struct berval *in, struct berval *dn ) { int rc = 0; struct berval mdn; static char *dmy = ""; char *in_val; assert( dc != NULL ); assert( in != NULL ); assert( dn != NULL ); /* protect from NULL berval */ in_val = in->bv_val ? in->bv_val : dmy; rc = rewrite_session( dc->rwmap->rwm_rw, dc->ctx, in_val, dc->conn, &mdn.bv_val ); switch ( rc ) { case REWRITE_REGEXEC_OK: if ( !BER_BVISNULL( &mdn ) && mdn.bv_val != in_val ) { mdn.bv_len = strlen( mdn.bv_val ); *dn = mdn; } else { dn->bv_len = in->bv_len; dn->bv_val = in_val; } rc = LDAP_SUCCESS; Debug( LDAP_DEBUG_ARGS, "[rw] %s: \"%s\" -> \"%s\"\n", dc->ctx, in_val, dn->bv_val ); break; case REWRITE_REGEXEC_UNWILLING: if ( dc->rs ) { dc->rs->sr_err = LDAP_UNWILLING_TO_PERFORM; dc->rs->sr_text = "Operation not allowed"; } rc = LDAP_UNWILLING_TO_PERFORM; break; case REWRITE_REGEXEC_ERR: if ( dc->rs ) { dc->rs->sr_err = LDAP_OTHER; dc->rs->sr_text = "Rewrite error"; } rc = LDAP_OTHER; break; } if ( mdn.bv_val == dmy ) { BER_BVZERO( &mdn ); } if ( dn->bv_val == dmy ) { BER_BVZERO( dn ); } return rc; } #endif /* SLAPD_OVER_RWM */