/* backglue.c - backend glue routines */
/* $OpenLDAP$ */
/*
- * Copyright 2001 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 2001-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include <stdio.h>
+#include <ac/string.h>
#include <ac/socket.h>
#define SLAPD_TOOLS
typedef struct gluenode {
BackendDB *be;
- char *pdn;
+ struct berval pdn;
} gluenode;
typedef struct glueinfo {
- BackendDB *be;
+ BackendInfo bi;
+ BackendDB bd;
int nodes;
gluenode n[1];
} glueinfo;
const char *dn
)
{
- glueinfo *gi = (glueinfo *) be->be_private;
+ glueinfo *gi = (glueinfo *) be->bd_info;
struct berval bv;
int i;
bv.bv_val = (char *) dn;
for (i = 0; i<gi->nodes; i++) {
- if (dnIsSuffix(&bv, gi->n[i].be->be_nsuffix[0])) {
+ if (dnIsSuffix(&bv, &gi->n[i].be->be_nsuffix[0])) {
return gi->n[i].be;
}
}
)
{
static int glueClosed = 0;
- int rc;
+ int rc = 0;
if (glueClosed) return 0;
BackendDB *be
)
{
- glueinfo *gi = (glueinfo *)be->be_private;
+ glueinfo *gi = (glueinfo *) be->bd_info;
static int glueOpened = 0;
int rc = 0;
glueOpened = 1;
- gi->be->be_acl = be->be_acl;
+ gi->bd.be_acl = be->be_acl;
- if (gi->be->bd_info->bi_db_open)
- rc = gi->be->bd_info->bi_db_open(gi->be);
+ if (gi->bd.bd_info->bi_db_open)
+ rc = gi->bd.bd_info->bi_db_open(&gi->bd);
return rc;
}
BackendDB *be
)
{
- glueinfo *gi = (glueinfo *)be->be_private;
+ glueinfo *gi = (glueinfo *) be->bd_info;
static int glueClosed = 0;
if (glueClosed) return 0;
glueClosed = 1;
/* Close the master */
- if (gi->be->bd_info->bi_db_close)
- gi->be->bd_info->bi_db_close( gi->be );
+ if (gi->bd.bd_info->bi_db_close)
+ gi->bd.bd_info->bi_db_close( &gi->bd );
return 0;
}
BackendDB *be
)
{
- glueinfo *gi = (glueinfo *)be->be_private;
+ glueinfo *gi = (glueinfo *) be->bd_info;
- if (gi->be->bd_info->bi_db_destroy)
- gi->be->bd_info->bi_db_destroy( gi->be );
- free (gi->be);
+ if (gi->bd.bd_info->bi_db_destroy)
+ gi->bd.bd_info->bi_db_destroy( &gi->bd );
free (gi);
return 0;
}
int matchlen;
char *matched;
int nrefs;
- struct berval **refs;
+ BerVarray refs;
+ slap_callback *prevcb;
} glue_state;
static void
ber_int_t err,
const char *matched,
const char *text,
- struct berval **ref,
+ BerVarray ref,
const char *resoid,
struct berval *resdata,
struct berval *sasldata,
LDAPControl **ctrls
)
{
- glue_state *gs = op->o_glue;
+ glue_state *gs = op->o_callback->sc_private;
if (err == LDAP_SUCCESS || gs->err != LDAP_SUCCESS)
gs->err = err;
if (gs->err == LDAP_SUCCESS && gs->matched) {
free (gs->matched);
+ gs->matched = NULL;
gs->matchlen = 0;
}
if (gs->err != LDAP_SUCCESS && matched) {
}
if (ref) {
int i, j, k;
- struct berval **new;
+ BerVarray new;
- for (i=0; ref[i]; i++);
+ for (i=0; ref[i].bv_val; i++);
j = gs->nrefs;
if (!j) {
- new = ch_malloc ((i+1)*sizeof(struct berval *));
+ new = ch_malloc ((i+1)*sizeof(struct berval));
} else {
new = ch_realloc(gs->refs,
- (j+i+1)*sizeof(struct berval *));
+ (j+i+1)*sizeof(struct berval));
}
for (k=0; k<i; j++,k++) {
- new[j] = ber_bvdup(ref[k]);
+ ber_dupbv( &new[j], &ref[k] );
}
- new[j] = NULL;
+ new[j].bv_val = NULL;
gs->nrefs = j;
gs->refs = new;
}
ber_int_t err,
const char *matched,
const char *text,
- struct berval **refs,
+ BerVarray refs,
LDAPControl **ctrls,
int nentries
)
{
- glue_state *gs = op->o_glue;
+ glue_state *gs = op->o_callback->sc_private;
gs->nentries += nentries;
glue_back_response (c, op, 0, 0, err, matched, text, refs,
NULL, NULL, NULL, ctrls);
}
+static int
+glue_back_sendentry (
+ BackendDB *be,
+ Connection *c,
+ Operation *op,
+ Entry *e,
+ AttributeName *an,
+ int ao,
+ LDAPControl **ctrls
+)
+{
+ slap_callback *tmp = op->o_callback;
+ glue_state *gs = tmp->sc_private;
+ int rc;
+
+ op->o_callback = gs->prevcb;
+ if (op->o_callback && op->o_callback->sc_sendentry) {
+ rc = op->o_callback->sc_sendentry(be, c, op, e, an, ao, ctrls);
+ } else {
+ rc = send_search_entry(be, c, op, e, an, ao, ctrls);
+ }
+ op->o_callback = tmp;
+ return rc;
+}
+
+static int
+glue_back_sendreference (
+ BackendDB *be,
+ Connection *c,
+ Operation *op,
+ Entry *e,
+ BerVarray bv,
+ LDAPControl **ctrls,
+ BerVarray *v2
+)
+{
+ slap_callback *tmp = op->o_callback;
+ glue_state *gs = tmp->sc_private;
+ int rc;
+
+ op->o_callback = gs->prevcb;
+ if (op->o_callback && op->o_callback->sc_sendreference) {
+ rc = op->o_callback->sc_sendreference( be, c, op, e, bv, ctrls, v2 );
+ } else {
+ rc = send_search_reference( be, c, op, e, bv, ctrls, v2 );
+ }
+ op->o_callback = tmp;
+ return rc;
+}
+
static int
glue_back_search (
BackendDB *b0,
Connection *conn,
Operation *op,
- const char *dn,
- const char *ndn,
+ struct berval *dn,
+ struct berval *ndn,
int scope,
int deref,
int slimit,
int tlimit,
Filter *filter,
- const char *filterstr,
- struct berval **attrs,
+ struct berval *filterstr,
+ AttributeName *attrs,
int attrsonly
)
{
- glueinfo *gi = (glueinfo *)b0->be_private;
+ glueinfo *gi = (glueinfo *) b0->bd_info;
BackendDB *be;
- int i, rc, t2limit = 0, s2limit = 0;
+ int i, rc = 0, t2limit = 0, s2limit = 0;
long stoptime = 0;
- glue_state gs = {0};
- struct berval bv;
+ glue_state gs = {0, 0, 0, NULL, 0, NULL, NULL};
+ slap_callback cb;
+
+ cb.sc_response = glue_back_response;
+ cb.sc_sresult = glue_back_sresult;
+ cb.sc_sendentry = glue_back_sendentry;
+ cb.sc_private = &gs;
+ gs.prevcb = op->o_callback;
- if (tlimit)
+ if (tlimit) {
stoptime = slap_get_time () + tlimit;
+ }
switch (scope) {
case LDAP_SCOPE_BASE:
- be = glue_back_select (b0, ndn);
+ be = glue_back_select (b0, ndn->bv_val);
if (be && be->be_search) {
rc = be->be_search (be, conn, op, dn, ndn, scope,
case LDAP_SCOPE_ONELEVEL:
case LDAP_SCOPE_SUBTREE:
- op->o_glue = &gs;
- op->o_sresult = glue_back_sresult;
- op->o_response = glue_back_response;
- bv.bv_len = strlen(ndn);
- bv.bv_val = (char *) ndn;
+ op->o_callback = &cb;
+ rc = gs.err = LDAP_UNWILLING_TO_PERFORM;
/*
* Execute in reverse order, most general first
continue;
if (tlimit) {
t2limit = stoptime - slap_get_time ();
- if (t2limit <= 0)
+ if (t2limit <= 0) {
+ rc = gs.err = LDAP_TIMELIMIT_EXCEEDED;
break;
+ }
}
if (slimit) {
s2limit = slimit - gs.nentries;
- if (s2limit <= 0)
+ if (s2limit <= 0) {
+ rc = gs.err = LDAP_SIZELIMIT_EXCEEDED;
break;
+ }
}
+ rc = 0;
/*
* check for abandon
*/
- ldap_pvt_thread_mutex_lock (&op->o_abandonmutex);
- rc = op->o_abandon;
- ldap_pvt_thread_mutex_unlock (&op->o_abandonmutex);
- if (rc) {
- rc = 0;
+ if (op->o_abandon) {
goto done;
}
be = gi->n[i].be;
if (scope == LDAP_SCOPE_ONELEVEL &&
- !strcmp (gi->n[i].pdn, ndn)) {
+ dn_match(&gi->n[i].pdn, ndn)) {
rc = be->be_search (be, conn, op,
- be->be_suffix[0]->bv_val,
- be->be_nsuffix[0]->bv_val,
- LDAP_SCOPE_BASE, deref,
+ &be->be_suffix[0], &be->be_nsuffix[0],
+ LDAP_SCOPE_BASE, deref,
s2limit, t2limit, filter, filterstr,
- attrs, attrsonly);
+ attrs, attrsonly);
+
} else if (scope == LDAP_SCOPE_SUBTREE &&
- dnIsSuffix(be->be_nsuffix[0], &bv)) {
+ dnIsSuffix(&be->be_nsuffix[0], ndn)) {
rc = be->be_search (be, conn, op,
- be->be_suffix[0]->bv_val,
- be->be_nsuffix[0]->bv_val,
- scope, deref,
+ &be->be_suffix[0], &be->be_nsuffix[0],
+ scope, deref,
s2limit, t2limit, filter, filterstr,
- attrs, attrsonly);
- } else if (dnIsSuffix(&bv, be->be_nsuffix[0])) {
- rc = be->be_search (be, conn, op,
- dn, ndn, scope, deref,
+ attrs, attrsonly);
+
+ } else if (dnIsSuffix(ndn, &be->be_nsuffix[0])) {
+ rc = be->be_search (be, conn, op, dn, ndn,
+ scope, deref,
s2limit, t2limit, filter, filterstr,
- attrs, attrsonly);
+ attrs, attrsonly);
+ }
+
+ switch ( gs.err ) {
+
+ /*
+ * Add errors that should result in dropping
+ * the search
+ */
+ case LDAP_SIZELIMIT_EXCEEDED:
+ case LDAP_TIMELIMIT_EXCEEDED:
+ case LDAP_ADMINLIMIT_EXCEEDED:
+ goto end_of_loop;
+
+ default:
+ break;
}
}
+end_of_loop:;
break;
}
- op->o_sresult = NULL;
- op->o_response = NULL;
- op->o_glue = NULL;
+ op->o_callback = gs.prevcb;
+
+ send_search_result (conn, op, gs.err, gs.matched, NULL,
+ gs.refs, NULL, gs.nentries);
- send_search_result (conn, op, gs.err, gs.matched, NULL, gs.refs,
- NULL, gs.nentries);
done:
if (gs.matched)
free (gs.matched);
if (gs.refs)
- ber_bvecfree(gs.refs);
- return rc;
-}
-
-static int
-glue_back_bind (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- const char *dn,
- const char *ndn,
- int method,
- struct berval *cred,
- char **edn
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, ndn);
-
- if (be && be->be_bind) {
- conn->c_authz_backend = be;
- rc = be->be_bind (be, conn, op, dn, ndn, method, cred, edn);
- } else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- send_ldap_result (conn, op, rc, NULL, "No bind target found",
- NULL, NULL);
- }
+ ber_bvarray_free(gs.refs);
return rc;
}
-static int
-glue_back_compare (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- const char *dn,
- const char *ndn,
- AttributeAssertion *ava
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, ndn);
-
- if (be && be->be_compare) {
- rc = be->be_compare (be, conn, op, dn, ndn, ava);
- } else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- send_ldap_result (conn, op, rc, NULL, "No compare target found",
- NULL, NULL);
- }
- return rc;
-}
-
-static int
-glue_back_modify (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- const char *dn,
- const char *ndn,
- Modifications *mod
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, ndn);
-
- if (be && be->be_modify) {
- rc = be->be_modify (be, conn, op, dn, ndn, mod);
- } else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- send_ldap_result (conn, op, rc, NULL, "No modify target found",
- NULL, NULL);
- }
- return rc;
-}
-
-static int
-glue_back_modrdn (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- const char *dn,
- const char *ndn,
- const char *newrdn,
- int del,
- const char *newsup
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, ndn);
-
- if (be && be->be_modrdn) {
- rc = be->be_modrdn (be, conn, op, dn, ndn, newrdn, del, newsup);
- } else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- send_ldap_result (conn, op, rc, NULL, "No modrdn target found",
- NULL, NULL);
- }
- return rc;
-}
-
-static int
-glue_back_add (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- Entry *e
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, e->e_ndn);
-
- if (be && be->be_add) {
- rc = be->be_add (be, conn, op, e);
- } else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- send_ldap_result (conn, op, rc, NULL, "No add target found",
- NULL, NULL);
- }
- return rc;
-}
-
-static int
-glue_back_delete (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- const char *dn,
- const char *ndn
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, ndn);
-
- if (be && be->be_delete) {
- rc = be->be_delete (be, conn, op, dn, ndn);
- } else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- send_ldap_result (conn, op, rc, NULL, "No delete target found",
- NULL, NULL);
- }
- return rc;
-}
-
-static int
-glue_back_release_rw (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- Entry *e,
- int rw
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, e->e_ndn);
-
- if (be && be->be_release) {
- rc = be->be_release (be, conn, op, e, rw);
- } else {
- entry_free (e);
- rc = 0;
- }
- return rc;
-}
-
-static int
-glue_back_group (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- Entry *target,
- const char *ndn,
- const char *ondn,
- ObjectClass *oc,
- AttributeDescription * ad
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, ndn);
-
- if (be && be->be_group) {
- rc = be->be_group (be, conn, op, target, ndn, ondn, oc, ad);
- } else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- }
- return rc;
-}
-
-static int
-glue_back_attribute (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- Entry *target,
- const char *ndn,
- AttributeDescription *ad,
- struct berval ***vals
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, ndn);
-
- if (be && be->be_attribute) {
- rc = be->be_attribute (be, conn, op, target, ndn, ad, vals);
- } else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- }
- return rc;
-}
-
-static int
-glue_back_referrals (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- const char *dn,
- const char *ndn,
- const char **text
-)
-{
- BackendDB *be;
- int rc;
-
- be = glue_back_select (b0, ndn);
-
- if (be && be->be_chk_referrals) {
- rc = be->be_chk_referrals (be, conn, op, dn, ndn, text);
- } else {
- rc = LDAP_SUCCESS;;
- }
- return rc;
-}
static int
glue_tool_entry_open (
BackendDB *b0
)
{
- glueinfo *gi = (glueinfo *) b0->be_private;
+ glueinfo *gi = (glueinfo *) b0->bd_info;
int i;
/* If we're starting from scratch, start at the most general */
BackendDB *b0
)
{
- glueinfo *gi = (glueinfo *) b0->be_private;
+ glueinfo *gi = (glueinfo *) b0->bd_info;
int i;
ID rc;
static ID
glue_tool_entry_put (
BackendDB *b0,
- Entry *e
+ Entry *e,
+ struct berval *text
)
{
BackendDB *be;
return NOID;
}
glueBack = be;
- return be->be_entry_put (be, e);
+ return be->be_entry_put (be, e, text);
}
static int
BackendDB *b0
)
{
- glueinfo *gi = (glueinfo *) b0->be_private;
+ glueinfo *gi = (glueinfo *) b0->bd_info;
int i;
/* just sync everyone */
- for (i = 0; b0->be_nsuffix[i]; i++)
+ for (i = 0; i<gi->nodes; i++)
if (gi->n[i].be->be_sync)
gi->n[i].be->be_sync (gi->n[i].be);
return 0;
glue_sub_init( )
{
int i, j;
- int cont = num_subs;
+ int cont = num_subordinates;
BackendDB *b1, *be;
- BackendInfo *bi;
+ BackendInfo *bi = NULL;
glueinfo *gi;
/* While there are subordinate backends, search backwards through the
* backends and connect them to their superior.
*/
for (i = nBackendDB - 1, b1=&backendDB[i]; cont && i>=0; b1--,i--) {
- if (b1->be_glueflags & SLAP_GLUE_SUBORDINATE) {
+ if (SLAP_GLUE_SUBORDINATE ( b1 ) ) {
/* The last database cannot be a subordinate of noone */
- if (i == nBackendDB - 1)
- b1->be_glueflags ^= SLAP_GLUE_SUBORDINATE;
+ if (i == nBackendDB - 1) {
+ b1->be_flags ^= SLAP_BFLAG_GLUE_SUBORDINATE;
+ }
continue;
}
gi = NULL;
for (j = i-1, be=&backendDB[j]; j>=0; be--,j--) {
- if (!(be->be_glueflags & SLAP_GLUE_SUBORDINATE))
+ if ( ! SLAP_GLUE_SUBORDINATE( be ) ) {
continue;
+ }
/* We will only link it once */
- if (be->be_glueflags & SLAP_GLUE_LINKED)
+ if ( SLAP_GLUE_LINKED( be ) ) {
continue;
- if (!dnIsSuffix(be->be_nsuffix[0],
- b1->be_nsuffix[0]))
+ }
+ if (!dnIsSuffix(&be->be_nsuffix[0], &b1->be_nsuffix[0])) {
continue;
+ }
cont--;
- be->be_glueflags |= SLAP_GLUE_LINKED;
+ be->be_flags |= SLAP_BFLAG_GLUE_LINKED;
if (gi == NULL) {
/* We create a copy of the superior's be
* structure, pointing to all of its original
* is used whenever we have operations to pass
* down to the real database.
*/
- b1->be_glueflags |= SLAP_GLUE_INSTANCE;
+ b1->be_flags |= SLAP_BFLAG_GLUE_INSTANCE;
gi = (glueinfo *)ch_malloc(sizeof(glueinfo));
- gi->be = (BackendDB *)ch_malloc(sizeof(BackendDB) + sizeof(BackendInfo));
- bi = (BackendInfo *)(gi->be+1);
- *gi->be = *b1;
gi->nodes = 0;
- *bi = *b1->bd_info;
+ gi->bd = *b1;
+ gi->bi = *b1->bd_info;
+ bi = (BackendInfo *)gi;
bi->bi_open = glue_back_open;
bi->bi_close = glue_back_close;
bi->bi_db_open = glue_back_db_open;
bi->bi_db_close = glue_back_db_close;
bi->bi_db_destroy = glue_back_db_destroy;
- bi->bi_op_bind = glue_back_bind;
bi->bi_op_search = glue_back_search;
- bi->bi_op_compare = glue_back_compare;
- bi->bi_op_modify = glue_back_modify;
- bi->bi_op_modrdn = glue_back_modrdn;
- bi->bi_op_add = glue_back_add;
- bi->bi_op_delete = glue_back_delete;
-
- bi->bi_entry_release_rw = glue_back_release_rw;
- bi->bi_acl_group = glue_back_group;
- bi->bi_acl_attribute = glue_back_attribute;
- bi->bi_chk_referrals = glue_back_referrals;
/*
* hooks for slap tools
gi->nodes * sizeof(gluenode));
}
gi->n[gi->nodes].be = be;
- gi->n[gi->nodes].pdn = dn_parent(NULL,
- be->be_nsuffix[0]->bv_val);
+ dnParent( &be->be_nsuffix[0], &gi->n[gi->nodes].pdn );
gi->nodes++;
}
if (gi) {
/* One more node for the master */
gi = (glueinfo *)ch_realloc(gi,
sizeof(glueinfo) + gi->nodes * sizeof(gluenode));
- gi->n[gi->nodes].be = gi->be;
- gi->n[gi->nodes].pdn = dn_parent(NULL,
- b1->be_nsuffix[0]->bv_val);
+ gi->n[gi->nodes].be = &gi->bd;
+ dnParent( &b1->be_nsuffix[0], &gi->n[gi->nodes].pdn );
gi->nodes++;
- b1->be_private = gi;
b1->bd_info = bi;
}
}