/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2008 The OpenLDAP Foundation.
+ * Copyright 1998-2011 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#ifdef SLAP_CONTROL_X_SESSION_TRACKING
static SLAP_CTRL_PARSE_FN parseSessionTracking;
#endif
+#ifdef SLAP_CONTROL_X_WHATFAILED
+static SLAP_CTRL_PARSE_FN parseWhatFailed;
+#endif
#undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
static struct slap_control control_defs[] = {
{ LDAP_CONTROL_ASSERT,
(int)offsetof(struct slap_control_ids, sc_assert),
- SLAP_CTRL_DELETE|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME|
- SLAP_CTRL_COMPARE|SLAP_CTRL_SEARCH,
+ SLAP_CTRL_UPDATE|SLAP_CTRL_COMPARE|SLAP_CTRL_SEARCH,
NULL, NULL,
parseAssert, LDAP_SLIST_ENTRY_INITIALIZER(next) },
{ LDAP_CONTROL_PRE_READ,
session_tracking_extops, NULL,
parseSessionTracking, LDAP_SLIST_ENTRY_INITIALIZER(next) },
#endif
+#ifdef SLAP_CONTROL_X_WHATFAILED
+ { LDAP_CONTROL_X_WHATFAILED,
+ (int)offsetof(struct slap_control_ids, sc_whatFailed),
+ SLAP_CTRL_GLOBAL|SLAP_CTRL_ACCESS|SLAP_CTRL_HIDE,
+ NULL, NULL,
+ parseWhatFailed, LDAP_SLIST_ENTRY_INITIALIZER(next) },
+#endif
+
{ NULL, 0, 0, NULL, 0, NULL, LDAP_SLIST_ENTRY_INITIALIZER(next) }
};
op->o_tmpfree( ctrls, op->o_tmpmemctx );
}
+int slap_add_ctrls(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl **ctrls )
+{
+ int i = 0, j;
+ LDAPControl **ctrlsp;
+
+ if ( rs->sr_ctrls ) {
+ for ( ; rs->sr_ctrls[ i ]; i++ ) ;
+ }
+
+ for ( j=0; ctrls[j]; j++ ) ;
+
+ ctrlsp = op->o_tmpalloc(( i+j+1 )*sizeof(LDAPControl *), op->o_tmpmemctx );
+ i = 0;
+ if ( rs->sr_ctrls ) {
+ for ( ; rs->sr_ctrls[i]; i++ )
+ ctrlsp[i] = rs->sr_ctrls[i];
+ }
+ for ( j=0; ctrls[j]; j++)
+ ctrlsp[i++] = ctrls[j];
+ ctrlsp[i] = NULL;
+
+ if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED )
+ op->o_tmpfree( rs->sr_ctrls, op->o_tmpmemctx );
+ rs->sr_ctrls = ctrlsp;
+ rs->sr_flags |= REP_CTRLS_MUSTBEFREED;
+ return i;
+}
+
int slap_parse_ctrl(
Operation *op,
SlapReply *rs,
const char **text )
{
struct slap_control *sc;
+ int rc = LDAP_SUCCESS;
sc = find_ctrl( control->ldctl_oid );
if( sc != NULL ) {
if (( sc->sc_mask & tagmask ) == tagmask ) {
/* available extension */
- int rc;
+ if ( sc->sc_parse ) {
+ rc = sc->sc_parse( op, rs, control );
+ assert( rc != LDAP_UNAVAILABLE_CRITICAL_EXTENSION );
- if( !sc->sc_parse ) {
+ } else if ( control->ldctl_iscritical ) {
*text = "not yet implemented";
- return LDAP_OTHER;
+ rc = LDAP_OTHER;
}
- rc = sc->sc_parse( op, rs, control );
- if ( rc ) {
- assert( rc != LDAP_UNAVAILABLE_CRITICAL_EXTENSION );
- return rc;
- }
- } else if( control->ldctl_iscritical ) {
+ } else if ( control->ldctl_iscritical ) {
/* unavailable CRITICAL control */
*text = "critical extension is unavailable";
- return LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
}
- } else if( control->ldctl_iscritical ) {
+
+ } else if ( control->ldctl_iscritical ) {
/* unrecognized CRITICAL control */
*text = "critical extension is not recognized";
- return LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
}
- return LDAP_SUCCESS;
+ return rc;
}
int get_ctrls(
char *opaque;
BerElement *ber = op->o_ber;
struct berval bv;
+#ifdef SLAP_CONTROL_X_WHATFAILED
+ /* NOTE: right now, slapd checks the validity of each control
+ * while parsing. As a consequence, it can only detect one
+ * cause of failure at a time. This results in returning
+ * exactly one OID with the whatFailed control, or no control
+ * at all.
+ */
+ char *failed_oid = NULL;
+#endif
len = ber_pvt_ber_remaining(ber);
rs->sr_err = slap_parse_ctrl( op, rs, c, &rs->sr_text );
if ( rs->sr_err != LDAP_SUCCESS ) {
+#ifdef SLAP_CONTROL_X_WHATFAILED
+ failed_oid = c->ldctl_oid;
+#endif
goto return_results;
}
}
send_ldap_disconnect( op, rs );
rs->sr_err = SLAPD_DISCONNECT;
} else {
+#ifdef SLAP_CONTROL_X_WHATFAILED
+ /* might have not been parsed yet? */
+ if ( failed_oid != NULL ) {
+ if ( !get_whatFailed( op ) ) {
+ /* look it up */
+
+ /* step through each remaining element */
+ for ( ; tag != LBER_ERROR; tag = ber_next_element( ber, &len, opaque ) )
+ {
+ LDAPControl c = { 0 };
+
+ tag = ber_scanf( ber, "{m" /*}*/, &bv );
+ c.ldctl_oid = bv.bv_val;
+
+ if ( tag == LBER_ERROR ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ break;
+
+ } else if ( c.ldctl_oid == NULL ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ break;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+ if ( tag == LBER_BOOLEAN ) {
+ ber_int_t crit;
+ tag = ber_scanf( ber, "b", &crit );
+ if( tag == LBER_ERROR ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ break;
+ }
+
+ tag = ber_peek_tag( ber, &len );
+ }
+
+ if ( tag == LBER_OCTETSTRING ) {
+ tag = ber_scanf( ber, "m", &c.ldctl_value );
+
+ if( tag == LBER_ERROR ) {
+ slap_free_ctrls( op, op->o_ctrls );
+ op->o_ctrls = NULL;
+ break;
+ }
+ }
+
+ if ( strcmp( c.ldctl_oid, LDAP_CONTROL_X_WHATFAILED ) == 0 ) {
+ const char *text;
+ slap_parse_ctrl( op, rs, &c, &text );
+ break;
+ }
+ }
+ }
+
+ if ( get_whatFailed( op ) ) {
+ char *oids[ 2 ];
+ oids[ 0 ] = failed_oid;
+ oids[ 1 ] = NULL;
+ slap_ctrl_whatFailed_add( op, rs, oids );
+ }
+ }
+#endif
+
send_ldap_result( op, rs );
}
}
return LDAP_PROTOCOL_ERROR;
}
- if ( !ctrl->ldctl_iscritical ) {
+ if ( ( global_disallows & SLAP_DISALLOW_DONTUSECOPY_N_CRIT )
+ && !ctrl->ldctl_iscritical )
+ {
rs->sr_text = "dontUseCopy criticality of FALSE not allowed";
return LDAP_PROTOCOL_ERROR;
}
- op->o_dontUseCopy = SLAP_CONTROL_CRITICAL;
+ op->o_dontUseCopy = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
return LDAP_SUCCESS;
}
return LDAP_PROTOCOL_ERROR;
}
+ if ( ( global_disallows & SLAP_DISALLOW_PROXY_AUTHZ_N_CRIT )
+ && !ctrl->ldctl_iscritical )
+ {
+ rs->sr_text = "proxied authorization criticality of FALSE not allowed";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
if ( !( global_allows & SLAP_ALLOW_PROXY_AUTHZ_ANON )
&& BER_BVISEMPTY( &op->o_ndn ) )
{
}
ch_free( op->o_ndn.bv_val );
- ch_free( op->o_dn.bv_val );
/*
* NOTE: since slap_sasl_getdn() returns a normalized dn,
* from now on op->o_dn is normalized
*/
op->o_ndn = dn;
- ber_dupbv( &op->o_dn, &dn );
+ ber_bvreplace( &op->o_dn, &dn );
Statslog( LDAP_DEBUG_STATS, "%s PROXYAUTHZ dn=\"%s\"\n",
op->o_log_prefix, dn.bv_val, 0, 0, 0 );
if ( !cookie.bv_len ) {
ps->ps_count = 0;
ps->ps_cookie = 0;
+ /* taint ps_cookie, to detect whether it's set */
+ op->o_conn->c_pagedresults_state.ps_cookie = NOID;
}
/* NOTE: according to RFC 2696 3.:
If the page size is greater than or equal to the sizeLimit value, the
server should ignore the control as the request can be satisfied in a
single page.
-
+
* NOTE: this assumes that the op->ors_slimit be set
* before the controls are parsed.
*/
-
+
if ( op->ors_slimit > 0 && size >= op->ors_slimit ) {
op->o_pagedresults = SLAP_CONTROL_IGNORED;
rs->sr_text = "assert control: internal error";
return LDAP_OTHER;
}
-
+
rs->sr_err = get_filter( op, ber, (Filter **)&(op->o_assertion),
&rs->sr_text);
(void) ber_free( ber, 1 );
return LDAP_SUCCESS;
}
-static int parsePreRead (
- Operation *op,
- SlapReply *rs,
- LDAPControl *ctrl )
-{
- ber_len_t siz, off, i;
- AttributeName *an = NULL;
- BerElement *ber;
-
- if ( op->o_preread != SLAP_CONTROL_NONE ) {
- rs->sr_text = "preread control specified multiple times";
- return LDAP_PROTOCOL_ERROR;
- }
-
- if ( BER_BVISNULL( &ctrl->ldctl_value )) {
- rs->sr_text = "preread control value is absent";
- return LDAP_PROTOCOL_ERROR;
- }
-
- if ( BER_BVISEMPTY( &ctrl->ldctl_value )) {
- rs->sr_text = "preread control value is empty";
- return LDAP_PROTOCOL_ERROR;
- }
-
-#ifdef LDAP_X_TXN
- if ( op->o_txnSpec ) { /* temporary limitation */
- rs->sr_text = "cannot perform pre-read in transaction";
- return LDAP_UNWILLING_TO_PERFORM;
- }
-#endif
-
- ber = ber_init( &(ctrl->ldctl_value) );
- if (ber == NULL) {
- rs->sr_text = "preread control: internal error";
- return LDAP_OTHER;
- }
-
- rs->sr_err = LDAP_SUCCESS;
-
- siz = sizeof( AttributeName );
- off = offsetof( AttributeName, an_name );
- if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
- rs->sr_text = "preread control: decoding error";
- rs->sr_err = LDAP_PROTOCOL_ERROR;
- goto done;
- }
-
- for( i=0; i<siz; i++ ) {
- const char *dummy = NULL;
-
- an[i].an_desc = NULL;
- an[i].an_oc = NULL;
- an[i].an_oc_exclude = 0;
- rs->sr_err = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
- if ( rs->sr_err != LDAP_SUCCESS && ctrl->ldctl_iscritical ) {
- rs->sr_text = dummy
- ? dummy
- : "postread control: unknown attributeType";
- goto done;
- }
- }
-
- op->o_preread = ctrl->ldctl_iscritical
- ? SLAP_CONTROL_CRITICAL
- : SLAP_CONTROL_NONCRITICAL;
-
- op->o_preread_attrs = an;
-
-done:
- (void) ber_free( ber, 1 );
- return rs->sr_err;
-}
+#define READMSG(post, msg) \
+ ( post ? "postread control: " msg : "preread control: " msg )
-static int parsePostRead (
+static int
+parseReadAttrs(
Operation *op,
SlapReply *rs,
- LDAPControl *ctrl )
+ LDAPControl *ctrl,
+ int post )
{
- ber_len_t siz, off, i;
- AttributeName *an = NULL;
+ ber_len_t siz, off, i;
BerElement *ber;
+ AttributeName *an = NULL;
- if ( op->o_postread != SLAP_CONTROL_NONE ) {
- rs->sr_text = "postread control specified multiple times";
+ if ( ( post && op->o_postread != SLAP_CONTROL_NONE ) ||
+ ( !post && op->o_preread != SLAP_CONTROL_NONE ) )
+ {
+ rs->sr_text = READMSG( post, "specified multiple times" );
return LDAP_PROTOCOL_ERROR;
}
- if ( BER_BVISNULL( &ctrl->ldctl_value )) {
- rs->sr_text = "postread control value is absent";
+ if ( BER_BVISNULL( &ctrl->ldctl_value ) ) {
+ rs->sr_text = READMSG( post, "value is absent" );
return LDAP_PROTOCOL_ERROR;
}
- if ( BER_BVISEMPTY( &ctrl->ldctl_value )) {
- rs->sr_text = "postread control value is empty";
+ if ( BER_BVISEMPTY( &ctrl->ldctl_value ) ) {
+ rs->sr_text = READMSG( post, "value is empty" );
return LDAP_PROTOCOL_ERROR;
}
#ifdef LDAP_X_TXN
if ( op->o_txnSpec ) { /* temporary limitation */
- rs->sr_text = "cannot perform post-read in transaction";
+ rs->sr_text = READMSG( post, "cannot perform in transaction" );
return LDAP_UNWILLING_TO_PERFORM;
}
#endif
- ber = ber_init( &(ctrl->ldctl_value) );
- if (ber == NULL) {
- rs->sr_text = "postread control: internal error";
+ ber = ber_init( &ctrl->ldctl_value );
+ if ( ber == NULL ) {
+ rs->sr_text = READMSG( post, "internal error" );
return LDAP_OTHER;
}
siz = sizeof( AttributeName );
off = offsetof( AttributeName, an_name );
if ( ber_scanf( ber, "{M}", &an, &siz, off ) == LBER_ERROR ) {
- rs->sr_text = "postread control: decoding error";
+ rs->sr_text = READMSG( post, "decoding error" );
rs->sr_err = LDAP_PROTOCOL_ERROR;
goto done;
}
an[i].an_desc = NULL;
an[i].an_oc = NULL;
- an[i].an_oc_exclude = 0;
+ an[i].an_flags = 0;
rc = slap_bv2ad( &an[i].an_name, &an[i].an_desc, &dummy );
- if ( rc != LDAP_SUCCESS ) {
- int i;
+ if ( rc == LDAP_SUCCESS ) {
+ an[i].an_name = an[i].an_desc->ad_cname;
+
+ } else {
+ int j;
static struct berval special_attrs[] = {
BER_BVC( LDAP_NO_ATTRS ),
BER_BVC( LDAP_ALL_USER_ATTRIBUTES ),
};
/* deal with special attribute types */
- for ( i = 0; !BER_BVISNULL( &special_attrs[ i ] ); i++ ) {
- if ( bvmatch( &an[i].an_name, &special_attrs[ i ] ) ) {
+ for ( j = 0; !BER_BVISNULL( &special_attrs[ j ] ); j++ ) {
+ if ( bvmatch( &an[i].an_name, &special_attrs[ j ] ) ) {
+ an[i].an_name = special_attrs[ j ];
break;
}
}
- if ( BER_BVISNULL( &special_attrs[ i ] ) && ctrl->ldctl_iscritical ) {
+ if ( BER_BVISNULL( &special_attrs[ j ] ) && ctrl->ldctl_iscritical ) {
rs->sr_err = rc;
- rs->sr_text = dummy
- ? dummy
- : "postread control: unknown attributeType";
+ rs->sr_text = dummy ? dummy
+ : READMSG( post, "unknown attributeType" );
goto done;
}
}
}
- op->o_postread = ctrl->ldctl_iscritical
- ? SLAP_CONTROL_CRITICAL
- : SLAP_CONTROL_NONCRITICAL;
-
- op->o_postread_attrs = an;
+ if ( post ) {
+ op->o_postread_attrs = an;
+ op->o_postread = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+ } else {
+ op->o_preread_attrs = an;
+ op->o_preread = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+ }
done:
(void) ber_free( ber, 1 );
return rs->sr_err;
}
+static int parsePreRead (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ return parseReadAttrs( op, rs, ctrl, 0 );
+}
+
+static int parsePostRead (
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ return parseReadAttrs( op, rs, ctrl, 1 );
+}
+
static int parseValuesReturnFilter (
Operation *op,
SlapReply *rs,
rs->sr_text = "internal error";
return LDAP_OTHER;
}
-
+
rs->sr_err = get_vrFilter( op, ber,
(ValuesReturnFilter **)&(op->o_vrFilter), &rs->sr_text);
return LDAP_PROTOCOL_ERROR;
}
+ if ( search_flags & ~(LDAP_SEARCH_FLAG_DOMAIN_SCOPE) ) {
+ /* Search flags not recognised so far,
+ * including:
+ * LDAP_SEARCH_FLAG_PHANTOM_ROOT
+ */
+ if ( ctrl->ldctl_iscritical ) {
+ rs->sr_text = "searchOptions contained unrecognized flag";
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+
+ /* Ignore */
+ Debug( LDAP_DEBUG_TRACE,
+ "searchOptions: conn=%lu unrecognized flag(s) 0x%x (non-critical)\n",
+ op->o_connid, (unsigned)search_flags, 0 );
+
+ return LDAP_SUCCESS;
+ }
+
if ( search_flags & LDAP_SEARCH_FLAG_DOMAIN_SCOPE ) {
if ( op->o_domain_scope != SLAP_CONTROL_NONE ) {
rs->sr_text = "searchOptions control specified multiple times "
: SLAP_CONTROL_NONCRITICAL;
}
- if ( search_flags & ~(LDAP_SEARCH_FLAG_DOMAIN_SCOPE) ) {
- /* Other search flags not recognised so far,
- * including:
- * LDAP_SEARCH_FLAG_PHANTOM_ROOM
- */
- rs->sr_text = "searchOptions contained unrecognized flag";
- return LDAP_UNWILLING_TO_PERFORM;
- }
-
return LDAP_SUCCESS;
}
return slap_ctrl_session_tracking_add( op, rs, &ip, &name, &id, ctrl );
}
#endif
+
+#ifdef SLAP_CONTROL_X_WHATFAILED
+static int parseWhatFailed(
+ Operation *op,
+ SlapReply *rs,
+ LDAPControl *ctrl )
+{
+ if ( op->o_whatFailed != SLAP_CONTROL_NONE ) {
+ rs->sr_text = "\"WHat Failed?\" control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( !BER_BVISNULL( &ctrl->ldctl_value )) {
+ rs->sr_text = "\"What Failed?\" control value not absent";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_whatFailed = ctrl->ldctl_iscritical
+ ? SLAP_CONTROL_CRITICAL
+ : SLAP_CONTROL_NONCRITICAL;
+
+ return LDAP_SUCCESS;
+}
+
+int
+slap_ctrl_whatFailed_add(
+ Operation *op,
+ SlapReply *rs,
+ char **oids )
+{
+ BerElementBuffer berbuf;
+ BerElement *ber = (BerElement *) &berbuf;
+ LDAPControl **ctrls = NULL;
+ struct berval ctrlval;
+ int i, rc = LDAP_SUCCESS;
+
+ ber_init2( ber, NULL, LBER_USE_DER );
+ ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
+ ber_printf( ber, "[" /*]*/ );
+ for ( i = 0; oids[ i ] != NULL; i++ ) {
+ ber_printf( ber, "s", oids[ i ] );
+ }
+ ber_printf( ber, /*[*/ "]" );
+
+ if ( ber_flatten2( ber, &ctrlval, 0 ) == -1 ) {
+ rc = LDAP_OTHER;
+ goto done;
+ }
+
+ i = 0;
+ if ( rs->sr_ctrls != NULL ) {
+ for ( ; rs->sr_ctrls[ i ] != NULL; i++ ) {
+ if ( strcmp( rs->sr_ctrls[ i ]->ldctl_oid, LDAP_CONTROL_X_WHATFAILED ) != 0 ) {
+ /* TODO: add */
+ assert( 0 );
+ }
+ }
+ }
+
+ ctrls = op->o_tmprealloc( rs->sr_ctrls,
+ sizeof(LDAPControl *)*( i + 2 )
+ + sizeof(LDAPControl)
+ + ctrlval.bv_len + 1,
+ op->o_tmpmemctx );
+ if ( ctrls == NULL ) {
+ rc = LDAP_OTHER;
+ goto done;
+ }
+ ctrls[ i + 1 ] = NULL;
+ ctrls[ i ] = (LDAPControl *)&ctrls[ i + 2 ];
+ ctrls[ i ]->ldctl_oid = LDAP_CONTROL_X_WHATFAILED;
+ ctrls[ i ]->ldctl_iscritical = 0;
+ ctrls[ i ]->ldctl_value.bv_val = (char *)&ctrls[ i ][ 1 ];
+ AC_MEMCPY( ctrls[ i ]->ldctl_value.bv_val, ctrlval.bv_val, ctrlval.bv_len + 1 );
+ ctrls[ i ]->ldctl_value.bv_len = ctrlval.bv_len;
+
+ ber_free_buf( ber );
+
+ rs->sr_ctrls = ctrls;
+
+done:;
+ return rc;
+}
+#endif