/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2001-2006 The OpenLDAP Foundation.
+ * Copyright 2001-2007 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#define SLAPD_TOOLS
#include "slap.h"
+#include "config.h"
typedef struct gluenode {
BackendDB *gn_be;
glueinfo *gi = (glueinfo *)on->on_bi.bi_private;
int i;
- for (i = 0; i<gi->gi_nodes; i++) {
+ for (i = gi->gi_nodes-1; i >= 0; i--) {
assert( gi->gi_n[i].gn_be->be_nsuffix != NULL );
if (dnIsSuffix(dn, &gi->gi_n[i].gn_be->be_nsuffix[0])) {
typedef struct glue_state {
+ char *matched;
+ BerVarray refs;
+ LDAPControl **ctrls;
int err;
int matchlen;
- char *matched;
int nrefs;
- BerVarray refs;
+ int nctrls;
} glue_state;
+static int
+glue_op_cleanup( Operation *op, SlapReply *rs )
+{
+ /* This is not a final result */
+ if (rs->sr_type == REP_RESULT )
+ rs->sr_type = REP_GLUE_RESULT;
+ return SLAP_CB_CONTINUE;
+}
+
static int
glue_op_response ( Operation *op, SlapReply *rs )
{
gs->nrefs = j;
gs->refs = new;
}
+ if (rs->sr_ctrls) {
+ int i, j, k;
+ LDAPControl **newctrls;
+
+ for (i=0; rs->sr_ctrls[i]; i++);
+
+ j = gs->nctrls;
+ if (!j) {
+ newctrls = ch_malloc((i+1)*sizeof(LDAPControl *));
+ } else {
+ /* Forget old pagedResults response if we're sending
+ * a new one now
+ */
+ if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) {
+ int newpage = 0;
+ for ( k=0; k<i; k++ ) {
+ if ( !strcmp(rs->sr_ctrls[k]->ldctl_oid,
+ LDAP_CONTROL_PAGEDRESULTS )) {
+ newpage = 1;
+ break;
+ }
+ }
+ if ( newpage ) {
+ for ( k=0; k<j; k++ ) {
+ if ( !strcmp(gs->ctrls[k]->ldctl_oid,
+ LDAP_CONTROL_PAGEDRESULTS )) {
+ gs->ctrls[k]->ldctl_oid = NULL;
+ ldap_control_free( gs->ctrls[k] );
+ gs->ctrls[k] = gs->ctrls[--j];
+ gs->ctrls[j] = NULL;
+ break;
+ }
+ }
+ }
+ }
+ newctrls = ch_realloc(gs->ctrls,
+ (j+i+1)*sizeof(LDAPControl *));
+ }
+ for (k=0; k<i; j++,k++) {
+ newctrls[j] = ch_malloc(sizeof(LDAPControl));
+ *newctrls[j] = *rs->sr_ctrls[k];
+ if ( !BER_BVISNULL( &rs->sr_ctrls[k]->ldctl_value ))
+ ber_dupbv( &newctrls[j]->ldctl_value,
+ &rs->sr_ctrls[k]->ldctl_value );
+ }
+ newctrls[j] = NULL;
+ gs->nctrls = j;
+ gs->ctrls = newctrls;
+ }
}
return 0;
}
int rc;
op->o_bd = glue_back_select (b0, &op->o_req_ndn);
+
+ /* If we're on the master backend, let overlay framework handle it */
+ if ( op->o_bd == b0 )
+ return SLAP_CB_CONTINUE;
+
b0->bd_info = on->on_info->oi_orig;
switch(op->o_tag) {
case LDAP_REQ_DELETE: which = op_delete; break;
case LDAP_REQ_MODIFY: which = op_modify; break;
case LDAP_REQ_MODRDN: which = op_modrdn; break;
+ case LDAP_REQ_EXTENDED: which = op_extended; break;
default: assert( 0 ); break;
}
if ( func[which] )
rc = func[which]( op, rs );
else
- rc = SLAP_CB_CONTINUE;
+ rc = SLAP_CB_BYPASS;
op->o_bd = b0;
op->o_bd->bd_info = bi0;
return rc;
}
+static int
+glue_response ( Operation *op, SlapReply *rs )
+{
+ BackendDB *be = op->o_bd;
+ be = glue_back_select (op->o_bd, &op->o_req_ndn);
+
+ /* If we're on the master backend, let overlay framework handle it.
+ * Otherwise, bail out.
+ */
+ return ( op->o_bd == be ) ? SLAP_CB_CONTINUE : SLAP_CB_BYPASS;
+}
+
static int
glue_chk_referrals ( Operation *op, SlapReply *rs )
{
int rc;
op->o_bd = glue_back_select (b0, &op->o_req_ndn);
+ if ( op->o_bd == b0 )
+ return SLAP_CB_CONTINUE;
+
b0->bd_info = on->on_info->oi_orig;
if ( op->o_bd->bd_info->bi_chk_referrals )
int rc = SLAP_CB_CONTINUE;
op->o_bd = glue_back_select (b0, &op->o_req_ndn);
+ if ( op->o_bd == b0 )
+ return SLAP_CB_CONTINUE;
+
b0->bd_info = on->on_info->oi_orig;
/* if the subordinate database has overlays, the bi_chk_controls()
return rc;
}
+/* ITS#4615 - overlays configured above the glue overlay should be
+ * invoked for the entire glued tree. Overlays configured below the
+ * glue overlay should only be invoked on the master backend.
+ * So, if we're searching on any subordinates, we need to force the
+ * current overlay chain to stop processing, without stopping the
+ * overall callback flow.
+ */
+static int
+glue_sub_search( Operation *op, SlapReply *rs, BackendDB *b0,
+ slap_overinst *on )
+{
+ /* Process any overlays on the master backend */
+ if ( op->o_bd == b0 && on->on_next ) {
+ BackendInfo *bi = op->o_bd->bd_info;
+ int rc = SLAP_CB_CONTINUE;
+ for ( on=on->on_next; on; on=on->on_next ) {
+ op->o_bd->bd_info = (BackendInfo *)on;
+ if ( on->on_bi.bi_op_search ) {
+ rc = on->on_bi.bi_op_search( op, rs );
+ if ( rc != SLAP_CB_CONTINUE )
+ break;
+ }
+ }
+ op->o_bd->bd_info = bi;
+ if ( rc != SLAP_CB_CONTINUE )
+ return rc;
+ }
+ return op->o_bd->be_search( op, rs );
+}
+
static int
glue_op_search ( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
glueinfo *gi = (glueinfo *)on->on_bi.bi_private;
BackendDB *b0 = op->o_bd;
- BackendDB *b1 = NULL, *btmp;
+ BackendDB *btmp;
BackendInfo *bi0 = op->o_bd->bd_info;
int i;
- long stoptime = 0;
- glue_state gs = {0, 0, NULL, 0, NULL};
- slap_callback cb = { NULL, glue_op_response, NULL, NULL };
+ long stoptime = 0, starttime;
+ glue_state gs = {NULL, NULL, NULL, 0, 0, 0, 0};
+ slap_callback cb = { NULL, glue_op_response, glue_op_cleanup, NULL };
int scope0, tlimit0;
struct berval dn, ndn, *pdn;
cb.sc_next = op->o_callback;
+ starttime = op->o_time;
stoptime = slap_get_time () + op->ors_tlimit;
op->o_bd = glue_back_select (b0, &op->o_req_ndn);
switch (op->ors_scope) {
case LDAP_SCOPE_BASE:
+ if ( op->o_bd == b0 )
+ return SLAP_CB_CONTINUE;
+
rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
if (op->o_bd && op->o_bd->be_search) {
rs->sr_err = op->o_bd->be_search( op, rs );
case LDAP_SCOPE_ONELEVEL:
case LDAP_SCOPE_SUBTREE:
case LDAP_SCOPE_SUBORDINATE: /* FIXME */
-
-#if 0
- if ( op->o_sync ) {
- if (op->o_bd && op->o_bd->be_search) {
- rs->sr_err = op->o_bd->be_search( op, rs );
- } else {
- send_ldap_error(op, rs, LDAP_UNWILLING_TO_PERFORM,
- "No search target found");
- }
- return rs->sr_err;
- }
-#endif
-
op->o_callback = &cb;
rs->sr_err = gs.err = LDAP_UNWILLING_TO_PERFORM;
scope0 = op->ors_scope;
tlimit0 = op->ors_tlimit;
dn = op->o_req_dn;
ndn = op->o_req_ndn;
- b1 = op->o_bd;
/*
- * Execute in reverse order, most general first
+ * Execute in reverse order, most specific first
*/
for (i = gi->gi_nodes; i >= 0; i--) {
if ( i == gi->gi_nodes ) {
}
if (!btmp || !btmp->be_search)
continue;
- if (!dnIsSuffix(&btmp->be_nsuffix[0], &b1->be_nsuffix[0]))
+ if (!dnIsSuffix(&btmp->be_nsuffix[0], &b0->be_nsuffix[0]))
+ continue;
+ if (get_no_subordinate_glue(op) && btmp != b0)
+ continue;
+ /* If we remembered which backend we were on before,
+ * skip down to it now
+ */
+ if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED &&
+ op->o_conn->c_pagedresults_state.ps_be &&
+ op->o_conn->c_pagedresults_state.ps_be != btmp )
continue;
+
if (tlimit0 != SLAP_NO_LIMIT) {
- op->ors_tlimit = stoptime - slap_get_time ();
+ op->o_time = slap_get_time();
+ op->ors_tlimit = stoptime - op->o_time;
if (op->ors_tlimit <= 0) {
rs->sr_err = gs.err = LDAP_TIMELIMIT_EXCEEDED;
break;
if ( rs->sr_err == LDAP_NO_SUCH_OBJECT ) {
gs.err = LDAP_SUCCESS;
}
+ op->ors_scope = LDAP_SCOPE_ONELEVEL;
+ op->o_req_dn = dn;
+ op->o_req_ndn = ndn;
} else if (scope0 == LDAP_SCOPE_SUBTREE &&
dn_match(&op->o_bd->be_nsuffix[0], &ndn))
{
- rs->sr_err = op->o_bd->be_search( op, rs );
+ rs->sr_err = glue_sub_search( op, rs, b0, on );
} else if (scope0 == LDAP_SCOPE_SUBTREE &&
dnIsSuffix(&op->o_bd->be_nsuffix[0], &ndn))
{
op->o_req_dn = op->o_bd->be_suffix[0];
op->o_req_ndn = op->o_bd->be_nsuffix[0];
- rs->sr_err = op->o_bd->be_search( op, rs );
+ rs->sr_err = glue_sub_search( op, rs, b0, on );
if ( rs->sr_err == LDAP_NO_SUCH_OBJECT ) {
gs.err = LDAP_SUCCESS;
}
op->o_req_ndn = ndn;
} else if (dnIsSuffix(&ndn, &op->o_bd->be_nsuffix[0])) {
- rs->sr_err = op->o_bd->be_search( op, rs );
+ rs->sr_err = glue_sub_search( op, rs, b0, on );
}
switch ( gs.err ) {
case LDAP_X_CANNOT_CHAIN:
#endif /* LDAP_CONTROL_X_CHAINING_BEHAVIOR */
goto end_of_loop;
-
+
+ case LDAP_SUCCESS:
+ if ( get_pagedresults( op ) > SLAP_CONTROL_IGNORED ) {
+ PagedResultsState *ps = op->o_pagedresults_state;
+
+ /* Assume this backend can be forgotten now */
+ op->o_conn->c_pagedresults_state.ps_be = NULL;
+
+ /* If we have a full page, exit the loop. We may
+ * need to remember this backend so we can continue
+ * from here on a subsequent request.
+ */
+ if ( rs->sr_nentries >= ps->ps_size ) {
+ /* Don't bother to remember the first backend.
+ * Only remember the last one if there's more state left.
+ */
+ if ( op->o_bd != b0 &&
+ ( op->o_conn->c_pagedresults_state.ps_cookie ||
+ op->o_bd != gi->gi_n[0].gn_be ))
+ op->o_conn->c_pagedresults_state.ps_be = op->o_bd;
+ goto end_of_loop;
+ }
+
+ /* This backend has run out of entries, but more responses
+ * can fit in the page. Fake a reset of the state so the
+ * next backend will start up properly. Only back-[bh]db
+ * and back-sql look at this state info.
+ */
+ if ( ps->ps_cookieval.bv_len == sizeof( PagedResultsCookie )) {
+ ps->ps_cookie = 0;
+ memset( ps->ps_cookieval.bv_val, 0,
+ sizeof( PagedResultsCookie ));
+ }
+ }
+
default:
break;
}
end_of_loop:;
op->ors_scope = scope0;
op->ors_tlimit = tlimit0;
+ op->o_time = starttime;
op->o_req_dn = dn;
op->o_req_ndn = ndn;
rs->sr_err = gs.err;
rs->sr_matched = gs.matched;
rs->sr_ref = gs.refs;
+ rs->sr_ctrls = gs.ctrls;
send_ldap_result( op, rs );
}
free (gs.matched);
if (gs.refs)
ber_bvarray_free(gs.refs);
+ if (gs.ctrls) {
+ for (i = gs.nctrls; --i >= 0; ) {
+ if (!BER_BVISNULL( &gs.ctrls[i]->ldctl_value ))
+ free(gs.ctrls[i]->ldctl_value.bv_val);
+ free(gs.ctrls[i]);
+ }
+ free(gs.ctrls);
+ }
return rs->sr_err;
}
gi->gi_n[i].gn_be->bd_info );
/* Let backend.c take care of the rest of startup */
if ( !rc )
- rc = backend_startup_one( gi->gi_n[i].gn_be );
+ rc = backend_startup_one( gi->gi_n[i].gn_be, NULL );
if ( rc ) break;
}
if ( !rc && !bsame && on->on_info->oi_orig->bi_open )
return rc;
}
+static int
+glue_entry_get_rw (
+ Operation *op,
+ struct berval *dn,
+ ObjectClass *oc,
+ AttributeDescription *ad,
+ int rw,
+ Entry **e )
+{
+ int rc;
+ BackendDB *b0 = op->o_bd;
+ op->o_bd = glue_back_select( b0, dn );
+
+ if ( op->o_bd->be_fetch ) {
+ rc = op->o_bd->be_fetch( op, dn, oc, ad, rw, e );
+ } else {
+ rc = LDAP_UNWILLING_TO_PERFORM;
+ }
+ op->o_bd =b0;
+ return rc;
+}
+
static int
glue_entry_release_rw (
Operation *op,
int rw
)
{
- BackendDB *b0, b2;
+ BackendDB *b0 = op->o_bd;
int rc = -1;
- b0 = op->o_bd;
- b2 = *op->o_bd;
- b2.bd_info = (BackendInfo *)glue_tool_inst( op->o_bd->bd_info );
- op->o_bd = glue_back_select (&b2, &e->e_nname);
+ op->o_bd = glue_back_select (b0, &e->e_nname);
if ( op->o_bd->be_release ) {
rc = op->o_bd->be_release( op, e, rw );
static int
glue_tool_entry_reindex (
BackendDB *b0,
- ID id
+ ID id,
+ AttributeDescription **adv
)
{
if (!glueBack || !glueBack->be_entry_reindex)
return -1;
- return glueBack->be_entry_reindex (glueBack, id);
+ return glueBack->be_entry_reindex (glueBack, id, adv);
}
static int
static int
glue_db_init(
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
BackendInfo *bi = oi->oi_orig;
glueinfo *gi;
+ if ( SLAP_GLUE_SUBORDINATE( be )) {
+ Debug( LDAP_DEBUG_ANY, "glue: backend %s is already subordinate, "
+ "cannot have glue overlay!\n",
+ be->be_suffix[0].bv_val, 0, 0 );
+ return LDAP_OTHER;
+ }
+
gi = ch_calloc( 1, sizeof(glueinfo));
on->on_bi.bi_private = gi;
dnParent( be->be_nsuffix, &gi->gi_pdn );
oi->oi_bi.bi_open = glue_open;
oi->oi_bi.bi_close = glue_close;
- oi->oi_bi.bi_entry_release_rw = glue_entry_release_rw;
-
/* Only advertise these if the root DB supports them */
if ( bi->bi_tool_entry_open )
oi->oi_bi.bi_tool_entry_open = glue_tool_entry_open;
/*FIXME : need to add support */
oi->oi_bi.bi_tool_dn2id_get = 0;
- oi->oi_bi.bi_tool_id2entry_get = 0;
oi->oi_bi.bi_tool_entry_modify = 0;
SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_GLUE_INSTANCE;
static int
glue_db_destroy (
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
static int
glue_db_close(
- BackendDB *be
+ BackendDB *be,
+ ConfigReply *cr
)
{
slap_overinst *on = (slap_overinst *)be->bd_info;
/* If it's not already configured, set up the overlay */
if ( !SLAP_GLUE_INSTANCE( be )) {
- rc = overlay_config( be, glue.on_bi.bi_type );
+ rc = overlay_config( be, glue.on_bi.bi_type, -1, NULL );
if ( rc )
break;
}
glue_Addrec *ga;
int rc = 0;
+ if ( overlay_is_inst( be, "glue" )) {
+ Debug( LDAP_DEBUG_ANY, "glue: backend %s already has glue overlay, "
+ "cannot be a subordinate!\n",
+ be->be_suffix[0].bv_val, 0, 0 );
+ return LDAP_OTHER;
+ }
SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_GLUE_SUBORDINATE;
if ( advert )
SLAP_DBFLAGS( be ) |= SLAP_DBFLAG_GLUE_ADVERTISE;
glue.on_bi.bi_op_modrdn = glue_op_func;
glue.on_bi.bi_op_add = glue_op_func;
glue.on_bi.bi_op_delete = glue_op_func;
+ glue.on_bi.bi_extended = glue_op_func;
glue.on_bi.bi_chk_referrals = glue_chk_referrals;
glue.on_bi.bi_chk_controls = glue_chk_controls;
+ glue.on_bi.bi_entry_get_rw = glue_entry_get_rw;
+ glue.on_bi.bi_entry_release_rw = glue_entry_release_rw;
+
+ glue.on_response = glue_response;
return overlay_register( &glue );
}
projects / openldap / blobdiff