/* $OpenLDAP$ */
/*
- * 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"
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
-
-typedef struct extensions_cookie_t {
- Connection *conn;
- Operation *op;
-} extensions_cookie_t;
+static struct extop_list {
+ struct extop_list *next;
+ char *oid;
+ SLAP_EXTOP_MAIN_FN *ext_main;
+} *supp_ext_list = NULL;
-#define MAX_OID_LENGTH 128
+static SLAP_EXTOP_MAIN_FN whoami_extop;
-typedef struct extensions_list_t {
- struct extensions_list_t *next;
+/* 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;
- int (*ext_main)(int (*)(), void *, char *reqoid, struct berval *reqdata, char **rspoid, struct berval *rspdata, char **text);
-} extensions_list_t;
+ 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 }
+};
-extensions_list_t *supp_ext_list = NULL;
-#define MAX_SUPP_EXT_TRACKED 64
-int supp_ext_count = 0;
-char *supportedExtensions[MAX_SUPP_EXT_TRACKED] = { NULL };
+static struct extop_list *find_extop(
+ struct extop_list *list, char *oid );
-extensions_list_t *find_extension (extensions_list_t *list, char *oid);
-int extensions_callback (extensions_cookie_t *cookie, int msg, int arg, void *argp);
-#else
+char *
+get_supported_extop (int index)
+{
+ struct extop_list *ext;
-char *supportedExtensions[] = {
- NULL
-};
-#endif
+ /* 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(
)
{
int rc = LDAP_SUCCESS;
- char* reqoid ;
- struct berval reqdata;
+ char* reqoid;
+ struct berval *reqdata;
ber_tag_t tag;
ber_len_t len;
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
- extensions_list_t *ext;
- char *rspoid, *text;
- struct berval rspdata;
- extensions_cookie_t cookie;
-#endif
-
+ 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;
}
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;
}
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
- if( !(ext = find_extension(supp_ext_list, 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
- if( !charray_inlist( supportedExtensions, reqoid ) )
-#endif
- {
Debug( LDAP_DEBUG_ANY, "do_extended: unsupported operation \"%s\"\n",
reqoid, 0 ,0 );
+#endif
send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
- NULL, "unsuppored extended operation", NULL, NULL );
+ 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
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
- cookie.conn = conn;
- cookie.op = op;
rspoid = NULL;
- rspdata.bv_len = 0;
- rspdata.bv_val = NULL;
+ rspdata = NULL;
+ rspctrls = NULL;
text = NULL;
- rc = (ext->ext_main)(extensions_callback, &cookie, reqoid, &reqdata, &rspoid, &rspdata, &text);
+ refs = NULL;
- send_ldap_extended(conn, op, rc, NULL, text, rspoid, rspdata.bv_val ? &rspdata : NULL);
+ rc = (ext->ext_main)( conn, op,
+ reqoid, reqdata,
+ &rspoid, &rspdata, &rspctrls, &text, &refs );
- if (rspoid != NULL)
- free(rspoid);
- if ( rspdata.bv_val != NULL )
- free(rspdata.bv_val);
- if ( text != NULL )
- free(text);
+ if( rc != SLAPD_ABANDON ) {
+ if ( rc == LDAP_REFERRAL && refs == NULL ) {
+ refs = referral_rewrite( default_referral,
+ NULL, NULL, LDAP_SCOPE_DEFAULT );
+ }
-#else
- send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
- NULL, "unsupported extended operation", NULL, NULL );
+ send_ldap_extended( conn, op, rc, NULL, text, refs,
+ rspoid, rspdata, rspctrls );
-#endif
+ 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;
}
-#ifdef SLAPD_EXTERNAL_EXTENSIONS
-
int
-load_extension (
- const void *module,
- const char *file_name
-)
+load_extop(
+ const char *ext_oid,
+ SLAP_EXTOP_MAIN_FN *ext_main )
{
- extensions_list_t *ext;
- int (*ext_getoid)(int index, char *oid, int blen);
- int rc;
+ struct extop_list *ext;
+
+ if( ext_oid == NULL || *ext_oid == '\0' ) return -1;
+ if(!ext_main) return -1;
- ext = ch_calloc(1, sizeof(extensions_list_t));
+ ext = ch_calloc(1, sizeof(struct extop_list));
if (ext == NULL)
return(-1);
- ext->oid = ch_malloc(MAX_OID_LENGTH);
+ ext->oid = ch_strdup( ext_oid );
if (ext->oid == NULL) {
free(ext);
return(-1);
}
- ext->ext_main = module_resolve(module, "ext_main");
- if (ext->ext_main == NULL) {
- free(ext->oid);
- free(ext);
- return(-1);
- }
+ ext->ext_main = ext_main;
+ ext->next = supp_ext_list;
- ext_getoid = module_resolve(module, "ext_getoid");
- if (ext_getoid == NULL) {
- free(ext->oid);
- free(ext);
- return(-1);
- }
- rc = (ext_getoid)(0, ext->oid, MAX_OID_LENGTH);
- if (rc != 0) {
- free(ext->oid);
- free(ext);
- return(rc);
- }
- if (*ext->oid == 0) {
- free(ext->oid);
- free(ext);
- return(-1);
- }
+ supp_ext_list = ext;
- /* supportedExtensions must be maintained for the root DSE.
- * Unfortunately, this global var is declared extern char *[],
- * which means it cannot grow dynamically. So, for now it is
- * a char *[n], and only (n-1) oids are tracked. In the off
- * chance that this is too few, the extensions will still be
- * loaded, but not reported in root DSE info. To increase
- * the maximum, change MAX_SUPP_EXT_TRACKED and recompile or
- * fix root_dse.c to use something other than a static array.
- */
- if (supp_ext_count < (MAX_SUPP_EXT_TRACKED - 1)) {
- supportedExtensions[supp_ext_count++] = ch_strdup(ext->oid);
- supportedExtensions[supp_ext_count] = NULL;
+ 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);
+}
- ext->next = supp_ext_list;
- supp_ext_list = ext;
+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);
}
-extensions_list_t *
-find_extension (extensions_list_t *list, char *oid)
+static struct extop_list *
+find_extop( struct extop_list *list, char *oid )
{
- extensions_list_t *ext;
+ struct extop_list *ext;
for (ext = list; ext; ext = ext->next) {
if (strcmp(ext->oid, oid) == 0)
return(NULL);
}
+
int
-extensions_callback (extensions_cookie_t *cookie, int msg, int arg, void *argp)
+whoami_extop (
+ Connection *conn,
+ Operation *op,
+ const char * reqoid,
+ struct berval * reqdata,
+ char ** rspoid,
+ struct berval ** rspdata,
+ LDAPControl ***rspctrls,
+ const char ** text,
+ BerVarray * refs )
{
- if (cookie == NULL)
- return(-1);
-
- if (argp == NULL)
- return(-1);
+ struct berval *bv;
- switch (msg) {
- case 0: /* SLAPD_EXT_GETVERSION */
- *(int *)argp = 1;
- return(0);
-
- case 1: /* SLAPD_EXT_GETPROTO */
- *(int *)argp = cookie->op->o_protocol;
- return(0);
-
- case 2: /* SLAPD_EXT_GETAUTH */
- *(int *)argp = cookie->op->o_authtype;
- return(0);
-
- case 3: /* SLAPD_EXT_GETDN */
- *(char **)argp = cookie->op->o_dn;
- return(0);
-
- case 4: /* SLAPD_EXT_GETCLIENT */
- if (cookie->conn->c_peer_domain != NULL && *cookie->conn->c_peer_domain != 0) {
- *(char **)argp = cookie->conn->c_peer_domain;
- return(0);
- }
- if (cookie->conn->c_peer_name != NULL && *cookie->conn->c_peer_name != 0) {
- *(char **)argp = cookie->conn->c_peer_name;
- return(0);
- }
- break;
-
- default:
- break;
+ if ( reqdata != NULL ) {
+ /* no request data should be provided */
+ *text = "no request data expected";
+ return LDAP_PROTOCOL_ERROR;
}
- return(-1);
-}
-#endif
+ 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