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-rw-r--r--servers/slapd/back-perl/config.c255
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diff --git a/servers/slapd/back-perl/config.c b/servers/slapd/back-perl/config.c
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+++ b/servers/slapd/back-perl/config.c
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+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1999-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1999 John C. Quillan.
+ * Portions Copyright 2002 myinternet Limited.
+ * 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 file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+
+#include "perl_back.h"
+#include "../config.h"
+
+static ConfigDriver perl_cf;
+
+enum {
+ PERL_MODULE = 1,
+ PERL_PATH,
+ PERL_CONFIG
+};
+
+static ConfigTable perlcfg[] = {
+ { "perlModule", "module", 2, 2, 0,
+ ARG_STRING|ARG_MAGIC|PERL_MODULE, perl_cf,
+ "( OLcfgDbAt:11.1 NAME 'olcPerlModule' "
+ "DESC 'Perl module name' "
+ "EQUALITY caseExactMatch "
+ "SYNTAX OMsDirectoryString SINGLE-VALUE )", NULL, NULL },
+ { "perlModulePath", "path", 2, 2, 0,
+ ARG_MAGIC|PERL_PATH, perl_cf,
+ "( OLcfgDbAt:11.2 NAME 'olcPerlModulePath' "
+ "DESC 'Perl module path' "
+ "EQUALITY caseExactMatch "
+ "SYNTAX OMsDirectoryString )", NULL, NULL },
+ { "filterSearchResults", "on|off", 2, 2, 0, ARG_ON_OFF|ARG_OFFSET,
+ (void *)offsetof(PerlBackend, pb_filter_search_results),
+ "( OLcfgDbAt:11.3 NAME 'olcPerlFilterSearchResults' "
+ "DESC 'Filter search results before returning to client' "
+ "SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+ { "perlModuleConfig", "args", 2, 0, 0,
+ ARG_MAGIC|PERL_CONFIG, perl_cf,
+ "( OLcfgDbAt:11.4 NAME 'olcPerlModuleConfig' "
+ "DESC 'Perl module config directives' "
+ "EQUALITY caseExactMatch "
+ "SYNTAX OMsDirectoryString )", NULL, NULL },
+ { NULL }
+};
+
+static ConfigOCs perlocs[] = {
+ { "( OLcfgDbOc:11.1 "
+ "NAME 'olcDbPerlConfig' "
+ "DESC 'Perl DB configuration' "
+ "SUP olcDatabaseConfig "
+ "MUST ( olcPerlModulePath $ olcPerlModule ) "
+ "MAY ( olcPerlFilterSearchResults $ olcPerlModuleConfig ) )",
+ Cft_Database, perlcfg, NULL, NULL },
+ { NULL }
+};
+
+static ConfigOCs ovperlocs[] = {
+ { "( OLcfgDbOc:11.2 "
+ "NAME 'olcovPerlConfig' "
+ "DESC 'Perl overlay configuration' "
+ "SUP olcOverlayConfig "
+ "MUST ( olcPerlModulePath $ olcPerlModule ) "
+ "MAY ( olcPerlFilterSearchResults $ olcPerlModuleConfig ) )",
+ Cft_Overlay, perlcfg, NULL, NULL },
+ { NULL }
+};
+
+/**********************************************************
+ *
+ * Config
+ *
+ **********************************************************/
+int
+perl_back_db_config(
+ BackendDB *be,
+ const char *fname,
+ int lineno,
+ int argc,
+ char **argv
+)
+{
+ int rc = config_generic_wrapper( be, fname, lineno, argc, argv );
+ /* backward compatibility: map unknown directives to perlModuleConfig */
+ if ( rc == SLAP_CONF_UNKNOWN ) {
+ char **av = ch_malloc( (argc+2) * sizeof(char *));
+ int i;
+ av[0] = "perlModuleConfig";
+ av++;
+ for ( i=0; i<argc; i++ )
+ av[i] = argv[i];
+ av[i] = NULL;
+ av--;
+ rc = config_generic_wrapper( be, fname, lineno, argc+1, av );
+ ch_free( av );
+ }
+ return rc;
+}
+
+static int
+perl_cf(
+ ConfigArgs *c
+)
+{
+ PerlBackend *pb = (PerlBackend *) c->be->be_private;
+ SV* loc_sv;
+ int count ;
+ int args;
+ int rc = 0;
+ char eval_str[EVAL_BUF_SIZE];
+ struct berval bv;
+
+ if ( c->op == SLAP_CONFIG_EMIT ) {
+ switch( c-> type ) {
+ case PERL_MODULE:
+ if ( !pb->pb_module_name )
+ return 1;
+ c->value_string = ch_strdup( pb->pb_module_name );
+ break;
+ case PERL_PATH:
+ if ( !pb->pb_module_path )
+ return 1;
+ ber_bvarray_dup_x( &c->rvalue_vals, pb->pb_module_path, NULL );
+ break;
+ case PERL_CONFIG:
+ if ( !pb->pb_module_config )
+ return 1;
+ ber_bvarray_dup_x( &c->rvalue_vals, pb->pb_module_config, NULL );
+ break;
+ }
+ } else if ( c->op == LDAP_MOD_DELETE ) {
+ /* FIXME: none of this affects the state of the perl
+ * interpreter at all. We should probably destroy it
+ * and recreate it...
+ */
+ switch( c-> type ) {
+ case PERL_MODULE:
+ ch_free( pb->pb_module_name );
+ pb->pb_module_name = NULL;
+ break;
+ case PERL_PATH:
+ if ( c->valx < 0 ) {
+ ber_bvarray_free( pb->pb_module_path );
+ pb->pb_module_path = NULL;
+ } else {
+ int i = c->valx;
+ ch_free( pb->pb_module_path[i].bv_val );
+ for (; pb->pb_module_path[i].bv_val; i++ )
+ pb->pb_module_path[i] = pb->pb_module_path[i+1];
+ }
+ break;
+ case PERL_CONFIG:
+ if ( c->valx < 0 ) {
+ ber_bvarray_free( pb->pb_module_config );
+ pb->pb_module_config = NULL;
+ } else {
+ int i = c->valx;
+ ch_free( pb->pb_module_config[i].bv_val );
+ for (; pb->pb_module_config[i].bv_val; i++ )
+ pb->pb_module_config[i] = pb->pb_module_config[i+1];
+ }
+ break;
+ }
+ } else {
+ PERL_SET_CONTEXT( PERL_INTERPRETER );
+ switch( c->type ) {
+ case PERL_MODULE:
+ snprintf( eval_str, EVAL_BUF_SIZE, "use %s;", c->argv[1] );
+ eval_pv( eval_str, 0 );
+
+ if (SvTRUE(ERRSV)) {
+ STRLEN len;
+
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s: error %s",
+ c->log, SvPV(ERRSV, len ));
+ Debug( LDAP_DEBUG_ANY, "%s\n", c->cr_msg, 0, 0 );
+ rc = 1;
+ } else {
+ dSP; ENTER; SAVETMPS;
+ PUSHMARK(sp);
+ XPUSHs(sv_2mortal(newSVpv(c->argv[1], 0)));
+ PUTBACK;
+
+ count = call_method("new", G_SCALAR);
+
+ SPAGAIN;
+
+ if (count != 1) {
+ croak("Big trouble in config\n") ;
+ }
+
+ pb->pb_obj_ref = newSVsv(POPs);
+
+ PUTBACK; FREETMPS; LEAVE ;
+ pb->pb_module_name = ch_strdup( c->argv[1] );
+ }
+ break;
+
+ case PERL_PATH:
+ snprintf( eval_str, EVAL_BUF_SIZE, "push @INC, '%s';", c->argv[1] );
+ loc_sv = eval_pv( eval_str, 0 );
+ /* XXX loc_sv return value is ignored. */
+ ber_str2bv( c->argv[1], 0, 0, &bv );
+ value_add_one( &pb->pb_module_path, &bv );
+ break;
+
+ case PERL_CONFIG: {
+ dSP ; ENTER ; SAVETMPS;
+
+ PUSHMARK(sp) ;
+ XPUSHs( pb->pb_obj_ref );
+
+ /* Put all arguments on the perl stack */
+ for( args = 1; args < c->argc; args++ )
+ XPUSHs(sv_2mortal(newSVpv(c->argv[args], 0)));
+
+ ber_str2bv( c->line + STRLENOF("perlModuleConfig "), 0, 0, &bv );
+ value_add_one( &pb->pb_module_config, &bv );
+
+ PUTBACK ;
+
+ count = call_method("config", G_SCALAR);
+
+ SPAGAIN ;
+
+ if (count != 1) {
+ croak("Big trouble in config\n") ;
+ }
+
+ rc = POPi;
+
+ PUTBACK ; FREETMPS ; LEAVE ;
+ }
+ break;
+ }
+ }
+ return rc;
+}
+
+int
+perl_back_init_cf( BackendInfo *bi )
+{
+ bi->bi_cf_ocs = perlocs;
+
+ return config_register_schema( perlcfg, perlocs );
+}