mirror of
https://git.openldap.org/openldap/openldap.git
synced 2024-12-21 03:10:25 +08:00
415 lines
10 KiB
C
415 lines
10 KiB
C
/* $OpenLDAP$ */
|
|
/*
|
|
* Copyright 1999-2003 The OpenLDAP Foundation.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms are permitted only
|
|
* as authorized by the OpenLDAP Public License. A copy of this
|
|
* license is available at http://www.OpenLDAP.org/license.html or
|
|
* in file LICENSE in the top-level directory of the distribution.
|
|
*/
|
|
|
|
/*
|
|
* LDAPv3 Extended Operation Request
|
|
* ExtendedRequest ::= [APPLICATION 23] SEQUENCE {
|
|
* 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
|
|
* }
|
|
*
|
|
*/
|
|
|
|
#include "portable.h"
|
|
|
|
#include <stdio.h>
|
|
|
|
#include <ac/socket.h>
|
|
#include <ac/string.h>
|
|
|
|
#include "slap.h"
|
|
#include "lber_pvt.h"
|
|
|
|
#ifdef LDAP_SLAPI
|
|
#include "slapi.h"
|
|
#endif
|
|
|
|
#define UNSUPPORTED_EXTENDEDOP "unsupported extended operation"
|
|
|
|
static struct extop_list {
|
|
struct extop_list *next;
|
|
struct berval 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.
|
|
*/
|
|
#ifdef LDAP_EXOP_X_CANCEL
|
|
const struct berval slap_EXOP_CANCEL = BER_BVC(LDAP_EXOP_X_CANCEL);
|
|
#endif
|
|
const struct berval slap_EXOP_WHOAMI = BER_BVC(LDAP_EXOP_X_WHO_AM_I);
|
|
const struct berval slap_EXOP_MODIFY_PASSWD = BER_BVC(LDAP_EXOP_MODIFY_PASSWD);
|
|
const struct berval slap_EXOP_START_TLS = BER_BVC(LDAP_EXOP_START_TLS);
|
|
|
|
static struct {
|
|
const struct berval *oid;
|
|
SLAP_EXTOP_MAIN_FN *ext_main;
|
|
} builtin_extops[] = {
|
|
#ifdef LDAP_EXOP_X_CANCEL
|
|
{ &slap_EXOP_CANCEL, cancel_extop },
|
|
#endif
|
|
{ &slap_EXOP_WHOAMI, whoami_extop },
|
|
{ &slap_EXOP_MODIFY_PASSWD, passwd_extop },
|
|
#ifdef HAVE_TLS
|
|
{ &slap_EXOP_START_TLS, starttls_extop },
|
|
#endif
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
|
|
static struct extop_list *find_extop(
|
|
struct extop_list *list, struct berval *oid );
|
|
|
|
struct berval *
|
|
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(
|
|
Operation *op,
|
|
SlapReply *rs
|
|
)
|
|
{
|
|
struct berval reqdata = {0, NULL};
|
|
ber_tag_t tag;
|
|
ber_len_t len;
|
|
struct extop_list *ext = NULL;
|
|
|
|
#if defined(LDAP_SLAPI)
|
|
Slapi_PBlock *pb = op->o_pb;
|
|
SLAPI_FUNC funcAddr = NULL;
|
|
int extop_rc;
|
|
int msg_sent = FALSE;
|
|
#endif /* defined(LDAP_SLAPI) */
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ENTRY, "do_extended: conn %d\n", op->o_connid, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_TRACE, "do_extended\n", 0, 0, 0 );
|
|
#endif
|
|
|
|
if( op->o_protocol < LDAP_VERSION3 ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ERR,
|
|
"do_extended: protocol version (%d) too low.\n", op->o_protocol, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"do_extended: protocol version (%d) too low\n",
|
|
op->o_protocol, 0 ,0 );
|
|
#endif
|
|
send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "requires LDAPv3" );
|
|
rs->sr_err = -1;
|
|
goto done;
|
|
}
|
|
|
|
if ( ber_scanf( op->o_ber, "{m" /*}*/, &op->oq_extended.rs_reqoid ) == LBER_ERROR ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ERR, "do_extended: conn %d ber_scanf failed\n",
|
|
op->o_connid, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
|
|
#endif
|
|
send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
|
|
rs->sr_err = -1;
|
|
goto done;
|
|
}
|
|
|
|
#ifdef LDAP_SLAPI
|
|
getPluginFunc( &op->oq_extended.rs_reqoid, &funcAddr ); /* NS-SLAPI extended operation */
|
|
if( !funcAddr && !(ext = find_extop(supp_ext_list, &op->oq_extended.rs_reqoid )))
|
|
#else
|
|
if( !(ext = find_extop(supp_ext_list, &op->oq_extended.rs_reqoid )))
|
|
#endif
|
|
{
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ERR,
|
|
"do_extended: conn %d unsupported operation \"%s\"\n",
|
|
op->o_connid, op->oq_extended.rs_reqoid.bv_val, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY, "do_extended: unsupported operation \"%s\"\n",
|
|
op->oq_extended.rs_reqoid.bv_val, 0 ,0 );
|
|
#endif
|
|
send_ldap_error( op, rs, LDAP_PROTOCOL_ERROR,
|
|
"unsupported extended operation" );
|
|
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, "m", &reqdata ) == LBER_ERROR ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ERR,
|
|
"do_extended: conn %d ber_scanf failed\n",
|
|
op->o_connid, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY, "do_extended: ber_scanf failed\n", 0, 0 ,0 );
|
|
#endif
|
|
send_ldap_discon( op, rs, LDAP_PROTOCOL_ERROR, "decoding error" );
|
|
rs->sr_err = -1;
|
|
goto done;
|
|
}
|
|
}
|
|
|
|
if( get_ctrls( op, rs, 1 ) != LDAP_SUCCESS ) {
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, ERR,
|
|
"do_extended: conn %d get_ctrls failed\n", op->o_connid, 0, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ANY, "do_extended: get_ctrls failed\n", 0, 0 ,0 );
|
|
#endif
|
|
return rs->sr_err;
|
|
}
|
|
|
|
/* check for controls inappropriate for all extended operations */
|
|
if( get_manageDSAit( op ) == SLAP_CRITICAL_CONTROL ) {
|
|
send_ldap_error( op, rs,
|
|
LDAP_UNAVAILABLE_CRITICAL_EXTENSION,
|
|
"manageDSAit control inappropriate" );
|
|
goto done;
|
|
}
|
|
|
|
#ifdef NEW_LOGGING
|
|
LDAP_LOG( OPERATION, DETAIL1,
|
|
"do_extended: conn %d oid=%s\n.", op->o_connid, op->oq_extended.rs_reqoid.bv_val, 0 );
|
|
#else
|
|
Debug( LDAP_DEBUG_ARGS, "do_extended: oid=%s\n", op->oq_extended.rs_reqoid.bv_val, 0 ,0 );
|
|
#endif
|
|
|
|
#if defined(LDAP_SLAPI)
|
|
if (ext != NULL) { /* OpenLDAP extended operation */
|
|
#endif /* defined(LDAP_SLAPI) */
|
|
|
|
if (reqdata.bv_val) op->oq_extended.rs_reqdata = &reqdata;
|
|
rs->sr_err = (ext->ext_main)( op, rs );
|
|
|
|
if( rs->sr_err != SLAPD_ABANDON ) {
|
|
if ( rs->sr_err == LDAP_REFERRAL && rs->sr_ref == NULL ) {
|
|
rs->sr_ref = referral_rewrite( default_referral,
|
|
NULL, NULL, LDAP_SCOPE_DEFAULT );
|
|
}
|
|
|
|
send_ldap_extended( op, rs );
|
|
|
|
ber_bvarray_free( rs->sr_ref );
|
|
}
|
|
|
|
if ( rs->sr_rspoid != NULL ) {
|
|
free( (char *)rs->sr_rspoid );
|
|
}
|
|
|
|
if ( rs->sr_rspdata != NULL ) {
|
|
ber_bvfree( rs->sr_rspdata );
|
|
}
|
|
|
|
#if defined( LDAP_SLAPI )
|
|
goto done; /* end of OpenLDAP extended operation */
|
|
|
|
} else { /* start of Netscape extended operation */
|
|
rs->sr_err = slapi_pblock_set( pb, SLAPI_EXT_OP_REQ_OID,
|
|
(void *)op->oq_extended.rs_reqoid.bv_val);
|
|
if ( rs->sr_err != LDAP_SUCCESS ) {
|
|
rs->sr_err = LDAP_OTHER;
|
|
goto done;
|
|
}
|
|
|
|
rs->sr_err = slapi_pblock_set( pb, SLAPI_EXT_OP_REQ_VALUE,
|
|
(void *)&reqdata);
|
|
if ( rs->sr_err != LDAP_SUCCESS ) {
|
|
rs->sr_err = LDAP_OTHER;
|
|
goto done;
|
|
}
|
|
|
|
rs->sr_err = slapi_x_connection_set_pb( pb, op->o_conn );
|
|
if ( rs->sr_err != LDAP_SUCCESS ) {
|
|
rs->sr_err = LDAP_OTHER;
|
|
goto done;
|
|
}
|
|
|
|
rs->sr_err = slapi_x_operation_set_pb( pb, op );
|
|
if ( rs->sr_err != LDAP_SUCCESS ) {
|
|
rs->sr_err = LDAP_OTHER;
|
|
goto done;
|
|
}
|
|
|
|
extop_rc = (*funcAddr)( pb );
|
|
if ( extop_rc == SLAPI_PLUGIN_EXTENDED_SENT_RESULT ) {
|
|
msg_sent = TRUE;
|
|
|
|
} else if ( extop_rc == SLAPI_PLUGIN_EXTENDED_NOT_HANDLED ) {
|
|
rs->sr_err = LDAP_PROTOCOL_ERROR;
|
|
rs->sr_text = UNSUPPORTED_EXTENDEDOP;
|
|
|
|
} else {
|
|
rs->sr_err = slapi_pblock_get( pb, SLAPI_EXT_OP_RET_OID,
|
|
&rs->sr_rspoid);
|
|
if ( rs->sr_err != LDAP_SUCCESS ) {
|
|
goto done2;
|
|
}
|
|
|
|
rs->sr_err = slapi_pblock_get( pb, SLAPI_EXT_OP_RET_VALUE,
|
|
&rs->sr_rspdata);
|
|
if ( rs->sr_err != LDAP_SUCCESS ) {
|
|
goto done2;
|
|
}
|
|
|
|
rs->sr_err = extop_rc;
|
|
send_ldap_extended( op, rs );
|
|
msg_sent = TRUE;
|
|
}
|
|
|
|
done2:;
|
|
if ( rs->sr_err != LDAP_SUCCESS && msg_sent == FALSE ) {
|
|
send_ldap_result( op, rs );
|
|
}
|
|
|
|
if ( op->oq_extended.rs_reqoid.bv_val != NULL ) {
|
|
slapi_ch_free( (void **)&op->oq_extended.rs_reqoid.bv_val );
|
|
}
|
|
|
|
if ( op->oq_extended.rs_reqdata != NULL ) {
|
|
ber_bvfree( op->oq_extended.rs_reqdata );
|
|
}
|
|
|
|
} /* end of Netscape extended operation */
|
|
#endif /* defined( LDAP_SLAPI ) */
|
|
|
|
done:
|
|
return rs->sr_err;
|
|
}
|
|
|
|
int
|
|
load_extop(
|
|
struct berval *ext_oid,
|
|
SLAP_EXTOP_MAIN_FN *ext_main )
|
|
{
|
|
struct extop_list *ext;
|
|
|
|
if( ext_oid == NULL || ext_oid->bv_val == NULL ||
|
|
ext_oid->bv_val[0] == '\0' || ext_oid->bv_len == 0 ) return -1;
|
|
if(!ext_main) return -1;
|
|
|
|
ext = ch_calloc(1, sizeof(struct extop_list) + ext_oid->bv_len + 1);
|
|
if (ext == NULL)
|
|
return(-1);
|
|
|
|
ext->oid.bv_val = (char *)(ext + 1);
|
|
AC_MEMCPY( ext->oid.bv_val, ext_oid->bv_val, ext_oid->bv_len );
|
|
ext->oid.bv_len = ext_oid->bv_len;
|
|
ext->oid.bv_val[ext->oid.bv_len] = '\0';
|
|
|
|
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((struct berval *)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;
|
|
ch_free(ext);
|
|
}
|
|
return(0);
|
|
}
|
|
|
|
static struct extop_list *
|
|
find_extop( struct extop_list *list, struct berval *oid )
|
|
{
|
|
struct extop_list *ext;
|
|
|
|
for (ext = list; ext; ext = ext->next) {
|
|
if (bvmatch(&ext->oid, oid))
|
|
return(ext);
|
|
}
|
|
return(NULL);
|
|
}
|
|
|
|
|
|
static int
|
|
whoami_extop (
|
|
Operation *op,
|
|
SlapReply *rs )
|
|
{
|
|
struct berval *bv;
|
|
|
|
if ( op->oq_extended.rs_reqdata != NULL ) {
|
|
/* no request data should be provided */
|
|
rs->sr_text = "no request data expected";
|
|
return LDAP_PROTOCOL_ERROR;
|
|
}
|
|
|
|
op->o_bd = op->o_conn->c_authz_backend;
|
|
if( backend_check_restrictions( op, rs,
|
|
(struct berval *)&slap_EXOP_WHOAMI ) != LDAP_SUCCESS ) {
|
|
return rs->sr_err;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
rs->sr_rspdata = bv;
|
|
return LDAP_SUCCESS;
|
|
}
|