/* $OpenLDAP$ */
/*
- * 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
#include "../../libraries/liblber/lber-int.h"
-char *supportedControls[] = {
- LDAP_CONTROL_MANAGEDSAIT,
-/* LDAP_CONTROL_X_CHANGE_PASSWD, */
- NULL
+#define SLAP_CTRL_FRONTEND 0x80000000U
+
+#define SLAP_CTRL_OPFLAGS 0x0000FFFFU
+#define SLAP_CTRL_ABANDON 0x00000001U
+#define SLAP_CTRL_ADD 0x00002002U
+#define SLAP_CTRL_BIND 0x00000004U
+#define SLAP_CTRL_COMPARE 0x00001008U
+#define SLAP_CTRL_DELETE 0x00002010U
+#define SLAP_CTRL_MODIFY 0x00002020U
+#define SLAP_CTRL_RENAME 0x00002040U
+#define SLAP_CTRL_SEARCH 0x00001080U
+#define SLAP_CTRL_UNBIND 0x00000100U
+
+#define SLAP_CTRL_INTROGATE (SLAP_CTRL_COMPARE|SLAP_CTRL_SEARCH)
+#define SLAP_CTRL_UPDATE \
+ (SLAP_CTRL_ADD|SLAP_CTRL_DELETE|SLAP_CTRL_MODIFY|SLAP_CTRL_RENAME)
+#define SLAP_CTRL_ACCESS (SLAP_CTRL_INTROGATE|SLAP_CTRL_UPDATE)
+
+typedef int (SLAP_CTRL_PARSE_FN) LDAP_P((
+ Connection *conn,
+ Operation *op,
+ LDAPControl *ctrl,
+ const char **text ));
+
+static SLAP_CTRL_PARSE_FN parseManageDSAit;
+static SLAP_CTRL_PARSE_FN parseSubentries;
+static SLAP_CTRL_PARSE_FN parseNoOp;
+static SLAP_CTRL_PARSE_FN parsePagedResults;
+static SLAP_CTRL_PARSE_FN parseValuesReturnFilter;
+
+#undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
+
+static struct slap_control {
+ char *sc_oid;
+ slap_mask_t sc_mask;
+ char **sc_extendedops;
+ SLAP_CTRL_PARSE_FN *sc_parse;
+
+} supportedControls[] = {
+ { LDAP_CONTROL_MANAGEDSAIT,
+ SLAP_CTRL_ACCESS, NULL,
+ parseManageDSAit },
+#ifdef LDAP_CONTROL_SUBENTRIES
+ { LDAP_CONTROL_SUBENTRIES,
+ SLAP_CTRL_SEARCH, NULL,
+ parseSubentries },
+#endif
+#ifdef LDAP_CONTROL_NOOP
+ { LDAP_CONTROL_NOOP,
+ SLAP_CTRL_UPDATE, NULL,
+ parseNoOp },
+#endif
+#ifdef LDAP_CONTROL_PAGEDRESULTS_REQUEST
+ { LDAP_CONTROL_PAGEDRESULTS_REQUEST,
+ SLAP_CTRL_SEARCH, NULL,
+ parsePagedResults },
+#endif
+#ifdef LDAP_CONTROL_VALUESRETURNFILTER
+ { LDAP_CONTROL_VALUESRETURNFILTER,
+ SLAP_CTRL_SEARCH, NULL,
+ parseValuesReturnFilter },
+#endif
+ { NULL }
};
+char *
+get_supported_ctrl(int index)
+{
+ return supportedControls[index].sc_oid;
+}
+
+static struct slap_control *
+find_ctrl( const char *oid )
+{
+ int i;
+ for( i=0; supportedControls[i].sc_oid; i++ ) {
+ if( strcmp( oid, supportedControls[i].sc_oid ) == 0 ) {
+ return &supportedControls[i];
+ }
+ }
+ return NULL;
+}
+
int get_ctrls(
Connection *conn,
Operation *op,
ber_len_t len;
char *opaque;
BerElement *ber = op->o_ber;
- LDAPControl ***ctrls = &op->o_ctrls;
+ struct slap_control *sc;
int rc = LDAP_SUCCESS;
- char *errmsg = NULL;
+ const char *errmsg = NULL;
len = ber_pvt_ber_remaining(ber);
if(( tag = ber_peek_tag( ber, &len )) != LDAP_TAG_CONTROLS ) {
if( tag == LBER_ERROR ) {
- rc = -1;
+ rc = SLAPD_DISCONNECT;
errmsg = "unexpected data in PDU";
}
goto return_results;
}
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, ENTRY, "get_ctrls: conn %lu\n", conn->c_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE, "=> get_ctrls\n", 0, 0, 0 );
-
+#endif
if( op->o_protocol < LDAP_VERSION3 ) {
- rc = -1;
+ rc = SLAPD_DISCONNECT;
errmsg = "controls require LDAPv3";
goto return_results;
}
- /* set through each element */
- *ctrls = ch_malloc( 1 * sizeof(LDAPControl *) );
+ /* one for first control, one for termination */
+ op->o_ctrls = ch_malloc( 2 * sizeof(LDAPControl *) );
#if 0
- if( *ctrls == NULL ) {
+ if( op->ctrls == NULL ) {
rc = LDAP_NO_MEMORY;
errmsg = "no memory";
goto return_results;
}
#endif
- *ctrls[nctrls] = NULL;
+ op->o_ctrls[nctrls] = NULL;
+ /* step through each element */
for( tag = ber_first_element( ber, &len, &opaque );
tag != LBER_ERROR;
tag = ber_next_element( ber, &len, opaque ) )
{
- LDAPControl *tctrl;
+ LDAPControl *c;
LDAPControl **tctrls;
- tctrl = ch_calloc( 1, sizeof(LDAPControl) );
- tctrl->ldctl_oid = NULL;
- tctrl->ldctl_value.bv_val = NULL;
+ c = ch_calloc( 1, sizeof(LDAPControl) );
+
+#if 0
+ if( c == NULL ) {
+ ldap_controls_free(op->o_ctrls);
+ op->o_ctrls = NULL;
+
+ rc = LDAP_NO_MEMORY;
+ errmsg = "no memory";
+ goto return_results;
+ }
+#endif
/* allocate pointer space for current controls (nctrls)
* + this control + extra NULL
*/
- tctrls = (tctrl == NULL) ? NULL :
- ch_realloc(*ctrls, (nctrls+2) * sizeof(LDAPControl *));
+ tctrls = ch_realloc( op->o_ctrls,
+ (nctrls+2) * sizeof(LDAPControl *));
#if 0
if( tctrls == NULL ) {
- /* one of the above allocation failed */
-
- if( tctrl != NULL ) {
- ch_free( tctrl );
- }
-
- ldap_controls_free(*ctrls);
- *ctrls = NULL;
+ ch_free( c );
+ ldap_controls_free(op->o_ctrls);
+ op->o_ctrls = NULL;
rc = LDAP_NO_MEMORY;
errmsg = "no memory";
goto return_results;
}
#endif
+ op->o_ctrls = tctrls;
- tctrls[nctrls++] = tctrl;
- tctrls[nctrls] = NULL;
+ op->o_ctrls[nctrls++] = c;
+ op->o_ctrls[nctrls] = NULL;
- tag = ber_scanf( ber, "{a" /*}*/, &tctrl->ldctl_oid );
+ tag = ber_scanf( ber, "{a" /*}*/, &c->ldctl_oid );
if( tag == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu get OID failed.\n",
+ conn->c_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n",
0, 0, 0 );
- *ctrls = NULL;
- ldap_controls_free( tctrls );
- rc = -1;
+#endif
+ ldap_controls_free( op->o_ctrls );
+ op->o_ctrls = NULL;
+ rc = SLAPD_DISCONNECT;
errmsg = "decoding controls error";
goto return_results;
}
tag = ber_scanf( ber, "b", &crit );
if( tag == LBER_ERROR ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "get_ctrls: conn %lu get crit failed.\n",
+ conn->c_connid, 0, 0 );
+#else
Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n",
0, 0, 0 );
- *ctrls = NULL;
- ldap_controls_free( tctrls );
- rc = -1;
+#endif
+ ldap_controls_free( op->o_ctrls );
+ op->o_ctrls = NULL;
+ rc = SLAPD_DISCONNECT;
errmsg = "decoding controls error";
goto return_results;
}
- tctrl->ldctl_iscritical = (crit != 0);
+ c->ldctl_iscritical = (crit != 0);
tag = ber_peek_tag( ber, &len );
}
- Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: oid=\"%s\" (%scritical)\n",
- tctrl->ldctl_oid,
- tctrl->ldctl_iscritical ? "" : "non",
- 0 );
-
if( tag == LBER_OCTETSTRING ) {
- tag = ber_scanf( ber, "o", &tctrl->ldctl_value );
+ tag = ber_scanf( ber, "o", &c->ldctl_value );
if( tag == LBER_ERROR ) {
- Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get value failed.\n",
- 0, 0, 0 );
- *ctrls = NULL;
- ldap_controls_free( tctrls );
- rc = -1;
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu: "
+ "%s (%scritical): get value failed.\n",
+ conn->c_connid, c->ldctl_oid ? c->ldctl_oid : "(NULL)",
+ c->ldctl_iscritical ? "" : "non" );
+#else
+ Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
+ "%s (%scritical): get value failed.\n",
+ conn->c_connid,
+ c->ldctl_oid ? c->ldctl_oid : "(NULL)",
+ c->ldctl_iscritical ? "" : "non" );
+#endif
+ ldap_controls_free( op->o_ctrls );
+ op->o_ctrls = NULL;
+ rc = SLAPD_DISCONNECT;
errmsg = "decoding controls error";
goto return_results;
}
}
- if( tctrl->ldctl_iscritical &&
- !charray_inlist( supportedControls, tctrl->ldctl_oid ) )
- {
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO,
+ "get_ctrls: conn %lu oid=\"%s\" (%scritical)\n",
+ conn->c_connid, c->ldctl_oid ? c->ldctl_oid : "(NULL)",
+ c->ldctl_iscritical ? "" : "non" );
+#else
+ Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: oid=\"%s\" (%scritical)\n",
+ c->ldctl_oid ? c->ldctl_oid : "(NULL)",
+ c->ldctl_iscritical ? "" : "non",
+ 0 );
+#endif
+
+ sc = find_ctrl( c->ldctl_oid );
+ if( sc != NULL ) {
+ /* recognized control */
+ slap_mask_t tagmask;
+ switch( op->o_tag ) {
+ case LDAP_REQ_ADD:
+ tagmask = SLAP_CTRL_ADD;
+ break;
+ case LDAP_REQ_BIND:
+ tagmask = SLAP_CTRL_BIND;
+ break;
+ case LDAP_REQ_COMPARE:
+ tagmask = SLAP_CTRL_COMPARE;
+ break;
+ case LDAP_REQ_DELETE:
+ tagmask = SLAP_CTRL_DELETE;
+ break;
+ case LDAP_REQ_MODIFY:
+ tagmask = SLAP_CTRL_MODIFY;
+ break;
+ case LDAP_REQ_RENAME:
+ tagmask = SLAP_CTRL_RENAME;
+ break;
+ case LDAP_REQ_SEARCH:
+ tagmask = SLAP_CTRL_SEARCH;
+ break;
+ case LDAP_REQ_UNBIND:
+ tagmask = SLAP_CTRL_UNBIND;
+ break;
+ case LDAP_REQ_EXTENDED:
+ /* FIXME: check list of extended operations */
+ tagmask = ~0U;
+ break;
+ default:
+ rc = LDAP_OTHER;
+ errmsg = "controls internal error";
+ goto return_results;
+ }
+
+ if (( sc->sc_mask & tagmask ) == tagmask ) {
+ /* available extension */
+
+ if( !sc->sc_parse ) {
+ rc = LDAP_OTHER;
+ errmsg = "not yet implemented";
+ goto return_results;
+ }
+
+ rc = sc->sc_parse( conn, op, c, &errmsg );
+
+ if( rc != LDAP_SUCCESS ) goto return_results;
+
+ if( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
+ /* kludge to disable backend_control() check */
+ c->ldctl_iscritical = 0;
+ }
+
+ } else if( c->ldctl_iscritical ) {
+ /* unavailable CRITICAL control */
+ rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ errmsg = "critical extension is unavailable";
+ goto return_results;
+ }
+
+ } else if( c->ldctl_iscritical ) {
+ /* unrecognized CRITICAL control */
rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
- errmsg = "critical extension is unavailable ";
+ errmsg = "critical extension is not recognized";
goto return_results;
}
-
- *ctrls = tctrls;
}
return_results:
- Debug( LDAP_DEBUG_TRACE, "<= get_ctrls: %d %d %s\n",
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, RESULTS,
+ "get_ctrls: n=%d rc=%d err=%s\n", nctrls, rc, errmsg ? errmsg : "" );
+#else
+ Debug( LDAP_DEBUG_TRACE, "<= get_ctrls: n=%d rc=%d err=%s\n",
nctrls, rc, errmsg ? errmsg : "");
+#endif
if( sendres && rc != LDAP_SUCCESS ) {
- if( rc == -1 ) {
- send_ldap_disconnect( conn, op, rc, errmsg );
+ if( rc == SLAPD_DISCONNECT ) {
+ send_ldap_disconnect( conn, op, LDAP_PROTOCOL_ERROR, errmsg );
} else {
send_ldap_result( conn, op, rc,
NULL, errmsg, NULL, NULL );
return rc;
}
+static int parseManageDSAit (
+ Connection *conn,
+ Operation *op,
+ LDAPControl *ctrl,
+ const char **text )
+{
+ if ( op->o_managedsait != SLAP_NO_CONTROL ) {
+ *text = "manageDSAit control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( ctrl->ldctl_value.bv_len ) {
+ *text = "manageDSAit control value not empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_managedsait = ctrl->ldctl_iscritical
+ ? SLAP_CRITICAL_CONTROL
+ : SLAP_NONCRITICAL_CONTROL;
+
+ return LDAP_SUCCESS;
+}
+
+#ifdef LDAP_CONTROL_SUBENTRIES
+static int parseSubentries (
+ Connection *conn,
+ Operation *op,
+ LDAPControl *ctrl,
+ const char **text )
+{
+ if ( op->o_subentries != SLAP_NO_CONTROL ) {
+ *text = "subentries control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ /* FIXME: should use BER library */
+ if( ( ctrl->ldctl_value.bv_len != 3 )
+ && ( ctrl->ldctl_value.bv_val[0] != 0x01 )
+ && ( ctrl->ldctl_value.bv_val[1] != 0x01 ))
+ {
+ *text = "subentries control value encoding is bogus";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_subentries = ctrl->ldctl_iscritical
+ ? SLAP_CRITICAL_CONTROL
+ : SLAP_NONCRITICAL_CONTROL;
-int get_manageDSAit( Operation *op )
+ op->o_subentries_visibility = (ctrl->ldctl_value.bv_val[2] != 0x00);
+
+ return LDAP_SUCCESS;
+}
+#endif
+
+#ifdef LDAP_CONTROL_NOOP
+static int parseNoOp (
+ Connection *conn,
+ Operation *op,
+ LDAPControl *ctrl,
+ const char **text )
{
- int i;
- if( op == NULL || op->o_ctrls == NULL ) {
- return 0;
+ if ( op->o_noop != SLAP_NO_CONTROL ) {
+ *text = "noop control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( ctrl->ldctl_value.bv_len ) {
+ *text = "noop control value not empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ op->o_noop = ctrl->ldctl_iscritical
+ ? SLAP_CRITICAL_CONTROL
+ : SLAP_NONCRITICAL_CONTROL;
+
+ return LDAP_SUCCESS;
+}
+#endif
+
+#ifdef LDAP_CONTROL_PAGEDRESULTS_REQUEST
+static int parsePagedResults (
+ Connection *conn,
+ Operation *op,
+ LDAPControl *ctrl,
+ const char **text )
+{
+ ber_tag_t tag;
+ ber_int_t size;
+ BerElement *ber;
+ struct berval cookie = { 0, NULL };
+
+ if ( op->o_pagedresults != SLAP_NO_CONTROL ) {
+ *text = "paged results control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if ( ctrl->ldctl_value.bv_len == 0 ) {
+ *text = "paged results control value is empty";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ /* Parse the control value
+ * realSearchControlValue ::= SEQUENCE {
+ * size INTEGER (0..maxInt),
+ * -- requested page size from client
+ * -- result set size estimate from server
+ * cookie OCTET STRING
+ */
+ ber = ber_init( &ctrl->ldctl_value );
+ if( ber == NULL ) {
+ *text = "internal error";
+ return LDAP_OTHER;
+ }
+
+ tag = ber_scanf( ber, "{im}", &size, &cookie );
+ (void) ber_free( ber, 1 );
+
+ if( tag == LBER_ERROR ) {
+ *text = "paged results control could not be decoded";
+ return LDAP_PROTOCOL_ERROR;
}
- for( i=0; op->o_ctrls[i] != NULL; i++ ) {
- if( strcmp( LDAP_CONTROL_MANAGEDSAIT, op->o_ctrls[i]->ldctl_oid )
- == 0 )
- {
- return 1;
+ if( size <= 0 ) {
+ *text = "paged results control size invalid";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ if( cookie.bv_len ) {
+ PagedResultsCookie reqcookie;
+ if( cookie.bv_len != sizeof( reqcookie ) ) {
+ /* bad cookie */
+ *text = "paged results cookie is invalid";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie ));
+
+ if( reqcookie > op->o_pagedresults_state.ps_cookie ) {
+ /* bad cookie */
+ *text = "paged results cookie is invalid";
+ return LDAP_PROTOCOL_ERROR;
+
+ } else if( reqcookie < op->o_pagedresults_state.ps_cookie ) {
+ *text = "paged results cookie is invalid or old";
+ return LDAP_UNWILLING_TO_PERFORM;
}
}
- return 0;
+ op->o_pagedresults_state.ps_cookie = op->o_opid;
+ op->o_pagedresults_size = size;
+
+ op->o_pagedresults = ctrl->ldctl_iscritical
+ ? SLAP_CRITICAL_CONTROL
+ : SLAP_NONCRITICAL_CONTROL;
+
+ return LDAP_SUCCESS;
}
+#endif
+
+#ifdef LDAP_CONTROL_VALUESRETURNFILTER
+int parseValuesReturnFilter (
+ Connection *conn,
+ Operation *op,
+ LDAPControl *ctrl,
+ const char **text )
+{
+ int rc;
+ BerElement *ber;
+ struct berval fstr = { 0, NULL };
+ const char *err_msg = "";
+
+ if ( op->o_valuesreturnfilter != SLAP_NO_CONTROL ) {
+ *text = "valuesreturnfilter control specified multiple times";
+ return LDAP_PROTOCOL_ERROR;
+ }
+
+ ber = ber_init( &(ctrl->ldctl_value) );
+ if (ber == NULL) {
+ *text = "internal error";
+ return LDAP_OTHER;
+ }
+
+ rc = get_vrFilter( conn, ber, &(op->vrFilter), &err_msg);
+
+ if( rc != LDAP_SUCCESS ) {
+ text = &err_msg;
+ if( rc == SLAPD_DISCONNECT ) {
+ send_ldap_disconnect( conn, op,
+ LDAP_PROTOCOL_ERROR, *text );
+ } else {
+ send_ldap_result( conn, op, rc,
+ NULL, *text, NULL, NULL );
+ }
+ if( fstr.bv_val != NULL) free( fstr.bv_val );
+ if( op->vrFilter != NULL) vrFilter_free( op->vrFilter );
+
+ } else {
+ vrFilter2bv( op->vrFilter, &fstr );
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, ARGS,
+ "parseValuesReturnFilter: conn %d vrFilter: %s\n",
+ conn->c_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
+#else
+ Debug( LDAP_DEBUG_ARGS, " vrFilter: %s\n",
+ fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
+#endif
+
+ op->o_valuesreturnfilter = ctrl->ldctl_iscritical
+ ? SLAP_CRITICAL_CONTROL
+ : SLAP_NONCRITICAL_CONTROL;
+
+ return LDAP_SUCCESS;
+}
+#endif
projects / openldap / blobdiff