ldapinfo_t *li = (ldapinfo_t *) op->o_bd->be_private;
ldapconn_t *lc;
- int rc = 0;
+ LDAPControl **ctrls = NULL;
+ struct berval save_o_dn;
+ int save_o_do_not_cache,
+ rc = 0;
ber_int_t msgid;
ldap_back_send_t retrying = LDAP_BACK_RETRYING;
+ /* allow rootdn as a means to auth without the need to actually
+ * contact the proxied DSA */
+ switch ( be_rootdn_bind( op, rs ) ) {
+ case SLAP_CB_CONTINUE:
+ break;
+
+ default:
+ return rs->sr_err;
+ }
+
lc = ldap_back_getconn( op, rs, LDAP_BACK_BIND_SERR, NULL, NULL );
if ( !lc ) {
return rs->sr_err;
}
LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
+ /* don't add proxyAuthz; set the bindDN */
+ save_o_dn = op->o_dn;
+ save_o_do_not_cache = op->o_do_not_cache;
+ op->o_dn = op->o_req_dn;
+ op->o_do_not_cache = 1;
+
+ ctrls = op->o_ctrls;
+ rc = ldap_back_controls_add( op, rs, lc, &ctrls );
+ op->o_dn = save_o_dn;
+ op->o_do_not_cache = save_o_do_not_cache;
+ if ( rc != LDAP_SUCCESS ) {
+ send_ldap_result( op, rs );
+ ldap_back_release_conn( li, lc );
+ return( rc );
+ }
+
retry:;
/* method is always LDAP_AUTH_SIMPLE if we got here */
rs->sr_err = ldap_sasl_bind( lc->lc_ld, op->o_req_dn.bv_val,
LDAP_SASL_SIMPLE,
- &op->orb_cred, op->o_ctrls, NULL, &msgid );
+ &op->orb_cred, ctrls, NULL, &msgid );
/* FIXME: should we always retry, or only when piping the bind
* in the "override" connection pool? */
rc = ldap_back_op_result( lc, op, rs, msgid,
}
}
+ ldap_back_controls_free( op, rs, &ctrls );
+
if ( rc == LDAP_SUCCESS ) {
/* If defined, proxyAuthz will be used also when
* back-ldap is the authorizing backend; for this
ldap_pvt_thread_mutex_unlock( &li->li_quarantine_mutex );
}
+static int
+ldap_back_dobind_cb(
+ Operation *op,
+ SlapReply *rs
+)
+{
+ ber_tag_t *tptr = op->o_callback->sc_private;
+ op->o_tag = *tptr;
+ return SLAP_CB_CONTINUE;
+}
+
/*
* ldap_back_dobind_int
*
binding = 0;
ber_int_t msgid;
ber_tag_t o_tag = op->o_tag;
+ slap_callback cb = {0};
assert( lcp != NULL );
assert( retries >= 0 );
* then bind as the asserting identity and explicitly
* add the proxyAuthz control to every operation with the
* dn bound to the connection as control value.
- * This is done also if this is the authrizing backend,
+ * This is done also if this is the authorizing backend,
* but the "override" flag is given to idassert.
* It allows to use SASL bind and yet proxyAuthz users
*/
op->o_tag = LDAP_REQ_BIND;
+ cb.sc_next = op->o_callback;
+ cb.sc_private = &o_tag;
+ cb.sc_response = ldap_back_dobind_cb;
+ op->o_callback = &cb;
+
if ( LDAP_BACK_CONN_ISIDASSERT( lc ) ) {
if ( BER_BVISEMPTY( &binddn ) && BER_BVISEMPTY( &bindcred ) ) {
/* if we got here, it shouldn't return result */
li->li_acl_authcID.bv_val,
li->li_acl_passwd.bv_val,
NULL );
+ if ( defaults == NULL ) {
+ rs->sr_err = LDAP_OTHER;
+ LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ goto done;
+ }
rs->sr_err = ldap_sasl_interactive_bind_s( lc->lc_ld,
li->li_acl_authcDN.bv_val,
if ( rs->sr_err != LDAP_SUCCESS &&
( sendok & LDAP_BACK_SENDERR ) )
{
- rs->sr_text = "Internal proxy bind failure";
+ if ( op->o_callback == &cb )
+ op->o_callback = cb.sc_next;
+ op->o_tag = o_tag;
+ rs->sr_text = "Proxy can't contact remote server";
send_ldap_result( op, rs );
}
- return 0;
+ rc = 0;
+ goto leave;
}
rc = ldap_back_op_result( lc, op, rs, msgid,
}
done:;
- op->o_tag = o_tag;
LDAP_BACK_CONN_BINDING_CLEAR( lc );
rc = LDAP_BACK_CONN_ISBOUND( lc );
if ( !rc ) {
ldap_set_rebind_proc( lc->lc_ld, li->li_rebind_f, lc );
}
+leave:;
+ if ( op->o_callback == &cb )
+ op->o_callback = cb.sc_next;
+ op->o_tag = o_tag;
+
return rc;
}
li->li_idassert_authcID.bv_val,
li->li_idassert_passwd.bv_val,
authzID.bv_val );
+ if ( defaults == NULL ) {
+ rs->sr_err = LDAP_OTHER;
+ LDAP_BACK_CONN_ISBOUND_CLEAR( lc );
+ if ( sendok & LDAP_BACK_SENDERR ) {
+ send_ldap_result( op, rs );
+ }
+ goto done;
+ }
rs->sr_err = ldap_sasl_interactive_bind_s( lc->lc_ld, binddn->bv_val,
li->li_idassert_sasl_mech.bv_val, NULL, NULL,
*/
int
ldap_back_proxy_authz_ctrl(
+ Operation *op,
+ SlapReply *rs,
struct berval *bound_ndn,
int version,
slap_idassert_t *si,
- Operation *op,
- SlapReply *rs,
- LDAPControl ***pctrls )
+ LDAPControl *ctrl )
{
- LDAPControl **ctrls = NULL;
- int i = 0;
slap_idassert_mode_t mode;
struct berval assertedID,
ndn;
int isroot = 0;
- *pctrls = NULL;
-
- rs->sr_err = LDAP_SUCCESS;
-
- /* don't proxyAuthz if protocol is not LDAPv3 */
- switch ( version ) {
- case LDAP_VERSION3:
- break;
-
- case 0:
- if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
- break;
- }
- /* fall thru */
-
- default:
- goto done;
- }
+ rs->sr_err = SLAP_CB_CONTINUE;
/* FIXME: SASL/EXTERNAL over ldapi:// doesn't honor the authcID,
* but if it is not set this test fails. We need a different
* means to detect if idassert is enabled */
if ( ( BER_BVISNULL( &si->si_bc.sb_authcId ) || BER_BVISEMPTY( &si->si_bc.sb_authcId ) )
- && ( BER_BVISNULL( &si->si_bc.sb_binddn ) || BER_BVISEMPTY( &si->si_bc.sb_binddn ) ) )
+ && ( BER_BVISNULL( &si->si_bc.sb_binddn ) || BER_BVISEMPTY( &si->si_bc.sb_binddn ) )
+ && BER_BVISNULL( &si->si_bc.sb_saslmech ) )
{
goto done;
}
authcDN = ndn;
}
rc = slap_sasl_matches( op, si->si_authz,
- &authcDN, & authcDN );
+ &authcDN, &authcDN );
if ( rc != LDAP_SUCCESS ) {
if ( si->si_flags & LDAP_BACK_AUTH_PRESCRIPTIVE ) {
/* ndn is not authorized
goto done;
}
- if ( op->o_ctrls ) {
- for ( i = 0; op->o_ctrls[ i ]; i++ )
- /* just count ctrls */ ;
- }
-
- ctrls = op->o_tmpalloc( sizeof( LDAPControl * ) * (i + 2) + sizeof( LDAPControl ),
- op->o_tmpmemctx );
- ctrls[ 0 ] = (LDAPControl *)&ctrls[ i + 2 ];
-
- ctrls[ 0 ]->ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
- ctrls[ 0 ]->ldctl_iscritical = 1;
+ ctrl->ldctl_oid = LDAP_CONTROL_PROXY_AUTHZ;
switch ( si->si_mode ) {
/* already in u:ID or dn:DN form */
case LDAP_BACK_IDASSERT_OTHERID:
case LDAP_BACK_IDASSERT_OTHERDN:
- ber_dupbv_x( &ctrls[ 0 ]->ldctl_value, &assertedID, op->o_tmpmemctx );
+ ber_dupbv_x( &ctrl->ldctl_value, &assertedID, op->o_tmpmemctx );
+ rs->sr_err = LDAP_SUCCESS;
break;
/* needs the dn: prefix */
default:
- ctrls[ 0 ]->ldctl_value.bv_len = assertedID.bv_len + STRLENOF( "dn:" );
- ctrls[ 0 ]->ldctl_value.bv_val = op->o_tmpalloc( ctrls[ 0 ]->ldctl_value.bv_len + 1,
+ ctrl->ldctl_value.bv_len = assertedID.bv_len + STRLENOF( "dn:" );
+ ctrl->ldctl_value.bv_val = op->o_tmpalloc( ctrl->ldctl_value.bv_len + 1,
op->o_tmpmemctx );
- AC_MEMCPY( ctrls[ 0 ]->ldctl_value.bv_val, "dn:", STRLENOF( "dn:" ) );
- AC_MEMCPY( &ctrls[ 0 ]->ldctl_value.bv_val[ STRLENOF( "dn:" ) ],
+ AC_MEMCPY( ctrl->ldctl_value.bv_val, "dn:", STRLENOF( "dn:" ) );
+ AC_MEMCPY( &ctrl->ldctl_value.bv_val[ STRLENOF( "dn:" ) ],
assertedID.bv_val, assertedID.bv_len + 1 );
+ rs->sr_err = LDAP_SUCCESS;
break;
}
* this hack provides compatibility with those DSAs that
* implement it this way */
if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_ENCODING_WORKAROUND ) {
- struct berval authzID = ctrls[ 0 ]->ldctl_value;
+ struct berval authzID = ctrl->ldctl_value;
BerElementBuffer berbuf;
BerElement *ber = (BerElement *)&berbuf;
ber_tag_t tag;
goto free_ber;
}
- if ( ber_flatten2( ber, &ctrls[ 0 ]->ldctl_value, 1 ) == -1 ) {
+ if ( ber_flatten2( ber, &ctrl->ldctl_value, 1 ) == -1 ) {
rs->sr_err = LDAP_OTHER;
goto free_ber;
}
+ rs->sr_err = LDAP_SUCCESS;
+
free_ber:;
op->o_tmpfree( authzID.bv_val, op->o_tmpmemctx );
ber_free_buf( ber );
if ( rs->sr_err != LDAP_SUCCESS ) {
- op->o_tmpfree( ctrls, op->o_tmpmemctx );
- ctrls = NULL;
goto done;
}
} else if ( si->si_flags & LDAP_BACK_AUTH_OBSOLETE_PROXY_AUTHZ ) {
- struct berval authzID = ctrls[ 0 ]->ldctl_value,
+ struct berval authzID = ctrl->ldctl_value,
tmp;
BerElementBuffer berbuf;
BerElement *ber = (BerElement *)&berbuf;
ber_tag_t tag;
if ( strncasecmp( authzID.bv_val, "dn:", STRLENOF( "dn:" ) ) != 0 ) {
- op->o_tmpfree( ctrls[ 0 ]->ldctl_value.bv_val, op->o_tmpmemctx );
- op->o_tmpfree( ctrls, op->o_tmpmemctx );
- ctrls = NULL;
rs->sr_err = LDAP_PROTOCOL_ERROR;
goto done;
}
goto free_ber2;
}
- if ( ber_flatten2( ber, &ctrls[ 0 ]->ldctl_value, 1 ) == -1 ) {
+ if ( ber_flatten2( ber, &ctrl->ldctl_value, 1 ) == -1 ) {
rs->sr_err = LDAP_OTHER;
goto free_ber2;
}
+ ctrl->ldctl_oid = LDAP_CONTROL_OBSOLETE_PROXY_AUTHZ;
+ rs->sr_err = LDAP_SUCCESS;
+
free_ber2:;
op->o_tmpfree( authzID.bv_val, op->o_tmpmemctx );
ber_free_buf( ber );
if ( rs->sr_err != LDAP_SUCCESS ) {
- op->o_tmpfree( ctrls, op->o_tmpmemctx );
- ctrls = NULL;
goto done;
}
+ }
+
+done:;
- ctrls[ 0 ]->ldctl_oid = LDAP_CONTROL_OBSOLETE_PROXY_AUTHZ;
+ return rs->sr_err;
+}
+
+/*
+ * Add controls;
+ *
+ * if any needs to be added, it is prepended to existing ones,
+ * in a newly allocated array. The companion function
+ * ldap_back_controls_free() must be used to restore the original
+ * status of op->o_ctrls.
+ */
+int
+ldap_back_controls_add(
+ Operation *op,
+ SlapReply *rs,
+ ldapconn_t *lc,
+ LDAPControl ***pctrls )
+{
+ ldapinfo_t *li = (ldapinfo_t *)op->o_bd->be_private;
+
+ LDAPControl **ctrls = NULL;
+ /* set to the maximum number of controls this backend can add */
+ LDAPControl c[ 2 ] = { 0 };
+ int i = 0, j = 0;
+
+ *pctrls = NULL;
+
+ rs->sr_err = LDAP_SUCCESS;
+
+ /* don't add controls if protocol is not LDAPv3 */
+ switch ( li->li_version ) {
+ case LDAP_VERSION3:
+ break;
+
+ case 0:
+ if ( op->o_protocol == 0 || op->o_protocol == LDAP_VERSION3 ) {
+ break;
+ }
+ /* fall thru */
+
+ default:
+ goto done;
+ }
+
+ /* proxyAuthz for identity assertion */
+ switch ( ldap_back_proxy_authz_ctrl( op, rs, &lc->lc_bound_ndn,
+ li->li_version, &li->li_idassert, &c[ j ] ) )
+ {
+ case SLAP_CB_CONTINUE:
+ break;
+
+ case LDAP_SUCCESS:
+ j++;
+ break;
+
+ default:
+ goto done;
+ }
+
+#ifdef SLAP_CONTROL_X_SESSION_TRACKING
+ /* session tracking */
+ if ( LDAP_BACK_ST_REQUEST( li ) ) {
+ switch ( slap_ctrl_session_tracking_request_add( op, rs, &c[ j ] ) ) {
+ case SLAP_CB_CONTINUE:
+ break;
+
+ case LDAP_SUCCESS:
+ j++;
+ break;
+
+ default:
+ goto done;
+ }
+ }
+#endif /* SLAP_CONTROL_X_SESSION_TRACKING */
+
+ if ( rs->sr_err == SLAP_CB_CONTINUE ) {
+ rs->sr_err = LDAP_SUCCESS;
+ }
+
+ if ( j == 0 ) {
+ goto done;
}
+ if ( op->o_ctrls ) {
+ for ( i = 0; op->o_ctrls[ i ]; i++ )
+ /* just count ctrls */ ;
+ }
+
+ ctrls = op->o_tmpalloc( sizeof( LDAPControl * ) * (i + j + 1) + j * sizeof( LDAPControl ),
+ op->o_tmpmemctx );
+ ctrls[ 0 ] = (LDAPControl *)&ctrls[ i + j + 1 ];
+ *ctrls[ 0 ] = c[ 0 ];
+ for ( i = 1; i < j; i++ ) {
+ ctrls[ i ] = &ctrls[ 0 ][ i ];
+ *ctrls[ i ] = c[ i ];
+ }
+
+ i = 0;
if ( op->o_ctrls ) {
for ( i = 0; op->o_ctrls[ i ]; i++ ) {
- ctrls[ i + 1 ] = op->o_ctrls[ i ];
+ ctrls[ i + j ] = op->o_ctrls[ i ];
}
}
- ctrls[ i + 1 ] = NULL;
+ ctrls[ i + j ] = NULL;
done:;
if ( ctrls == NULL ) {
}
int
-ldap_back_proxy_authz_ctrl_free( Operation *op, LDAPControl ***pctrls )
+ldap_back_controls_free( Operation *op, SlapReply *rs, LDAPControl ***pctrls )
{
LDAPControl **ctrls = *pctrls;
- /* we assume that the first control is the proxyAuthz
- * added by back-ldap, so it's the only one we explicitly
- * free */
+ /* we assume that the controls added by the proxy come first,
+ * so as soon as we find op->o_ctrls[ 0 ] we can stop */
if ( ctrls && ctrls != op->o_ctrls ) {
+ int i;
+
assert( ctrls[ 0 ] != NULL );
- if ( !BER_BVISNULL( &ctrls[ 0 ]->ldctl_value ) ) {
- op->o_tmpfree( ctrls[ 0 ]->ldctl_value.bv_val, op->o_tmpmemctx );
+ for ( i = 0; ctrls[ i ] != NULL; i++ ) {
+ if ( op->o_ctrls && ctrls[ i ] == op->o_ctrls[ 0 ] ) {
+ break;
+ }
+
+ if ( !BER_BVISNULL( &ctrls[ i ]->ldctl_value ) ) {
+ op->o_tmpfree( ctrls[ i ]->ldctl_value.bv_val, op->o_tmpmemctx );
+ }
}
op->o_tmpfree( ctrls, op->o_tmpmemctx );
projects / openldap / blobdiff