+/* $OpenLDAP$ */
/*
- * Copyright 1999 The OpenLDAP Foundation.
+ * Copyright 1999-2002 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted only
/*
* LDAPv3 Extended Operation Request
* ExtendedRequest ::= [APPLICATION 23] SEQUENCE {
- * requestName [0] LDAPOID,
- * requestValue [1] OCTET STRING OPTIONAL
+ * requestName [0] LDAPOID,
+ * requestValue [1] OCTET STRING OPTIONAL
* }
*
* LDAPv3 Extended Operation Response
* ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
* COMPONENTS OF LDAPResult,
- * responseName [10] LDAPOID OPTIONAL,
- * response [11] OCTET STRING OPTIONAL
+ * responseName [10] LDAPOID OPTIONAL,
+ * response [11] OCTET STRING OPTIONAL
* }
*
*/
#include <stdio.h>
#include <ac/socket.h>
+#include <ac/string.h>
#include "slap.h"
-char *supportedExtensions[] = {
- NULL
+static struct extop_list {
+ struct extop_list *next;
+ char *oid;
+ SLAP_EXTOP_MAIN_FN *ext_main;
+} *supp_ext_list = NULL;
+
+static SLAP_EXTOP_MAIN_FN whoami_extop;
+
+/* this list of built-in extops is for extops that are not part
+ * of backends or in external modules. essentially, this is
+ * just a way to get built-in extops onto the extop list without
+ * having a separate init routine for each built-in extop.
+ */
+static struct {
+ char *oid;
+ SLAP_EXTOP_MAIN_FN *ext_main;
+} builtin_extops[] = {
+#ifdef HAVE_TLS
+ { LDAP_EXOP_START_TLS, starttls_extop },
+#endif
+ { LDAP_EXOP_MODIFY_PASSWD, passwd_extop },
+ { LDAP_EXOP_X_WHO_AM_I, whoami_extop },
+ { NULL, NULL }
};
+static struct extop_list *find_extop(
+ struct extop_list *list, char *oid );
+
+char *
+get_supported_extop (int index)
+{
+ struct extop_list *ext;
+
+ /* linear scan is slow, but this way doesn't force a
+ * big change on root_dse.c, where this routine is used.
+ */
+ for (ext = supp_ext_list; ext != NULL && --index >= 0; ext = ext->next) {
+ ; /* empty */
+ }
+
+ if (ext == NULL) return NULL;
+
+ return ext->oid ;
+}
+
int
do_extended(
Connection *conn,
)
{
int rc = LDAP_SUCCESS;
- char* reqoid ;
- struct berval reqdata;
+ char* reqoid;
+ struct berval *reqdata;
ber_tag_t tag;
ber_len_t len;
+ struct extop_list *ext;
+ const char *text;
+ BerVarray refs;
+ char *rspoid;
+ struct berval *rspdata;
+ LDAPControl **rspctrls;
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
+ "do_extended: conn %d\n", conn->c_connid ));
+#else
Debug( LDAP_DEBUG_TRACE, "do_extended\n", 0, 0, 0 );
-
+#endif
reqoid = NULL;
- reqdata.bv_val = NULL;
+ reqdata = NULL;
if( op->o_protocol < LDAP_VERSION3 ) {
- Debug( LDAP_DEBUG_ANY, "do_extended: protocol version (%d) too low\n",
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_extended: protocol version (%d) too low.\n",
+ op->o_protocol ));
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "do_extended: protocol version (%d) too low\n",
op->o_protocol, 0 ,0 );
+#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "requires LDAPv3" );
rc = -1;
goto done;
}
- if ( ber_scanf( op->o_ber, "a", &reqoid ) == LBER_ERROR ) {
+ if ( ber_scanf( op->o_ber, "{a" /*}*/, &reqoid ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_extended: conn %d ber_scanf failed\n", conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
+#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
rc = -1;
goto done;
}
- if( !charray_inlist( supportedExtensions, reqoid ) ) {
+ if( !(ext = find_extop(supp_ext_list, reqoid)) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_extended: conn %d unsupported operation \"%s\"\n",
+ conn->c_connid, reqoid ));
+#else
Debug( LDAP_DEBUG_ANY, "do_extended: unsupported operation \"%s\"\n",
reqoid, 0 ,0 );
- send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR, NULL,
- "unsuppored operation" );
+#endif
+ send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
+ NULL, "unsupported extended operation", NULL, NULL );
goto done;
}
tag = ber_peek_tag( op->o_ber, &len );
if( ber_peek_tag( op->o_ber, &len ) == LDAP_TAG_EXOP_REQ_VALUE ) {
- if( ber_scanf( op->o_ber, "o", &reqdata ) != LBER_ERROR ) {
+ if( ber_scanf( op->o_ber, "O", &reqdata ) == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_extended: conn %d ber_scanf failed\n", conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
+#endif
send_ldap_disconnect( conn, op,
LDAP_PROTOCOL_ERROR, "decoding error" );
rc = -1;
}
if( (rc = get_ctrls( conn, op, 1 )) != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_ERR,
+ "do_extended: conn %d get_ctrls failed\n", conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ANY, "do_extended: get_ctrls failed\n", 0, 0 ,0 );
+#endif
return rc;
}
- Debug( LDAP_DEBUG_ARGS, "do_extended: oid \"%s\"\n", reqoid, 0 ,0 );
+ /* check for controls inappropriate for all extended operations */
+ if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
+ send_ldap_result( conn, op,
+ rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
+ NULL, "manageDSAit control inappropriate",
+ NULL, NULL );
+ goto done;
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "operation", LDAP_LEVEL_DETAIL1,
+ "do_extended: conn %d oid=%d\n.", conn->c_connid, reqoid ));
+#else
+ Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n", reqoid, 0 ,0 );
+#endif
- send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
- NULL, "unsupported extended operation" );
+ rspoid = NULL;
+ rspdata = NULL;
+ rspctrls = NULL;
+ text = NULL;
+ refs = NULL;
+
+ rc = (ext->ext_main)( conn, op,
+ reqoid, reqdata,
+ &rspoid, &rspdata, &rspctrls, &text, &refs );
+
+ if( rc != SLAPD_ABANDON ) {
+ if ( rc == LDAP_REFERRAL && refs == NULL ) {
+ refs = referral_rewrite( default_referral,
+ NULL, NULL, LDAP_SCOPE_DEFAULT );
+ }
+
+ send_ldap_extended( conn, op, rc, NULL, text, refs,
+ rspoid, rspdata, rspctrls );
+
+ ber_bvarray_free( refs );
+ }
+
+ if ( rspoid != NULL ) {
+ free( rspoid );
+ }
+
+ if ( rspdata != NULL ) {
+ ber_bvfree( rspdata );
+ }
done:
+ if ( reqdata != NULL ) {
+ ber_bvfree( reqdata );
+ }
if ( reqoid != NULL ) {
free( reqoid );
}
- if ( reqdata.bv_val != NULL ) {
- free( reqdata.bv_val );
- }
return rc;
}
+
+int
+load_extop(
+ const char *ext_oid,
+ SLAP_EXTOP_MAIN_FN *ext_main )
+{
+ struct extop_list *ext;
+
+ if( ext_oid == NULL || *ext_oid == '\0' ) return -1;
+ if(!ext_main) return -1;
+
+ ext = ch_calloc(1, sizeof(struct extop_list));
+ if (ext == NULL)
+ return(-1);
+
+ ext->oid = ch_strdup( ext_oid );
+ if (ext->oid == NULL) {
+ free(ext);
+ return(-1);
+ }
+
+ ext->ext_main = ext_main;
+ ext->next = supp_ext_list;
+
+ supp_ext_list = ext;
+
+ return(0);
+}
+
+int
+extops_init (void)
+{
+ int i;
+
+ for (i = 0; builtin_extops[i].oid != NULL; i++) {
+ load_extop(builtin_extops[i].oid, builtin_extops[i].ext_main);
+ }
+ return(0);
+}
+
+int
+extops_kill (void)
+{
+ struct extop_list *ext;
+
+ /* we allocated the memory, so we have to free it, too. */
+ while ((ext = supp_ext_list) != NULL) {
+ supp_ext_list = ext->next;
+ if (ext->oid != NULL)
+ ch_free(ext->oid);
+ ch_free(ext);
+ }
+ return(0);
+}
+
+static struct extop_list *
+find_extop( struct extop_list *list, char *oid )
+{
+ struct extop_list *ext;
+
+ for (ext = list; ext; ext = ext->next) {
+ if (strcmp(ext->oid, oid) == 0)
+ return(ext);
+ }
+ return(NULL);
+}
+
+
+int
+whoami_extop (
+ Connection *conn,
+ Operation *op,
+ const char * reqoid,
+ struct berval * reqdata,
+ char ** rspoid,
+ struct berval ** rspdata,
+ LDAPControl ***rspctrls,
+ const char ** text,
+ BerVarray * refs )
+{
+ struct berval *bv;
+
+ if ( reqdata != NULL ) {
+ /* no request data should be provided */
+ *text = "no request data expected";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ bv = (struct berval *) ch_malloc( sizeof(struct berval) );
+ if( op->o_dn.bv_len ) {
+ bv->bv_len = op->o_dn.bv_len + sizeof("dn:")-1;
+ bv->bv_val = ch_malloc( bv->bv_len + 1 );
+ AC_MEMCPY( bv->bv_val, "dn:", sizeof("dn:")-1 );
+ AC_MEMCPY( &bv->bv_val[sizeof("dn:")-1], op->o_dn.bv_val,
+ op->o_dn.bv_len );
+ bv->bv_val[bv->bv_len] = '\0';
+
+ } else {
+ bv->bv_len = 0;
+ bv->bv_val = NULL;
+ }
+
+ *rspdata = bv;
+ return LDAP_SUCCESS;
+}
\ No newline at end of file