/* backglue.c - backend glue routines */
/* $OpenLDAP$ */
/*
- * Copyright 2001-2002 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
} gluenode;
typedef struct glueinfo {
- BackendDB *be;
+ BackendInfo bi;
+ BackendDB bd;
int nodes;
gluenode n[1];
} glueinfo;
static int glueMode;
static BackendDB *glueBack;
+static slap_response glue_back_response;
+
/* Just like select_backend, but only for our backends */
static BackendDB *
glue_back_select (
const char *dn
)
{
- glueinfo *gi = *(glueinfo **) (be->bd_info+1);
+ glueinfo *gi = (glueinfo *) be->bd_info;
struct berval bv;
int i;
BackendDB *be
)
{
- glueinfo *gi = *(glueinfo **) (be->bd_info+1);
+ 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->bd_info+1);
+ 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->bd_info+1);
+ 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;
}
typedef struct glue_state {
int err;
- int nentries;
int matchlen;
char *matched;
int nrefs;
slap_callback *prevcb;
} glue_state;
-static void
-glue_back_response (
- Connection *conn,
- Operation *op,
- ber_tag_t tag,
- ber_int_t msgid,
- ber_int_t err,
- const char *matched,
- const char *text,
- BerVarray ref,
- const char *resoid,
- struct berval *resdata,
- struct berval *sasldata,
- LDAPControl **ctrls
-)
+static int
+glue_back_response ( Operation *op, SlapReply *rs )
{
glue_state *gs = op->o_callback->sc_private;
+ slap_callback *tmp = op->o_callback;
- if (err == LDAP_SUCCESS || gs->err != LDAP_SUCCESS)
- gs->err = err;
- if (gs->err == LDAP_SUCCESS && gs->matched) {
- free (gs->matched);
- gs->matchlen = 0;
- }
- if (gs->err != LDAP_SUCCESS && matched) {
- int len;
- len = strlen (matched);
- if (len > gs->matchlen) {
- if (gs->matched)
- free (gs->matched);
- gs->matched = ch_strdup (matched);
- gs->matchlen = len;
- }
- }
- if (ref) {
- int i, j, k;
- BerVarray new;
-
- for (i=0; ref[i].bv_val; i++);
-
- j = gs->nrefs;
- if (!j) {
- new = ch_malloc ((i+1)*sizeof(struct berval));
+ switch(rs->sr_type) {
+ case REP_SEARCH:
+ case REP_SEARCHREF:
+ op->o_callback = gs->prevcb;
+ if (op->o_callback && op->o_callback->sc_response) {
+ rs->sr_err = op->o_callback->sc_response( op, rs );
+ } else if (rs->sr_type == REP_SEARCH) {
+ rs->sr_err = send_search_entry( op, rs );
} else {
- new = ch_realloc(gs->refs,
- (j+i+1)*sizeof(struct berval));
+ rs->sr_err = send_search_reference( op, rs );
}
- for (k=0; k<i; j++,k++) {
- ber_dupbv( &new[j], &ref[k] );
+ op->o_callback = tmp;
+ return rs->sr_err;
+
+ default:
+ if (rs->sr_err == LDAP_SUCCESS || gs->err != LDAP_SUCCESS)
+ gs->err = rs->sr_err;
+ if (gs->err == LDAP_SUCCESS && gs->matched) {
+ ch_free (gs->matched);
+ gs->matched = NULL;
+ gs->matchlen = 0;
}
- new[j].bv_val = NULL;
- gs->nrefs = j;
- gs->refs = new;
- }
-}
-
-static void
-glue_back_sresult (
- Connection *c,
- Operation *op,
- ber_int_t err,
- const char *matched,
- const char *text,
- BerVarray refs,
- LDAPControl **ctrls,
- int nentries
-)
-{
- glue_state *gs = op->o_callback->sc_private;
+ if (gs->err != LDAP_SUCCESS && rs->sr_matched) {
+ int len;
+ len = strlen (rs->sr_matched);
+ if (len > gs->matchlen) {
+ if (gs->matched)
+ ch_free (gs->matched);
+ gs->matched = ch_strdup (rs->sr_matched);
+ gs->matchlen = len;
+ }
+ }
+ if (rs->sr_ref) {
+ int i, j, k;
+ BerVarray new;
- gs->nentries += nentries;
- glue_back_response (c, op, 0, 0, err, matched, text, refs,
- NULL, NULL, NULL, ctrls);
-}
+ for (i=0; rs->sr_ref[i].bv_val; i++);
-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);
+ j = gs->nrefs;
+ if (!j) {
+ new = ch_malloc ((i+1)*sizeof(struct berval));
+ } else {
+ new = ch_realloc(gs->refs,
+ (j+i+1)*sizeof(struct berval));
+ }
+ for (k=0; k<i; j++,k++) {
+ ber_dupbv( &new[j], &rs->sr_ref[k] );
+ }
+ new[j].bv_val = NULL;
+ gs->nrefs = j;
+ gs->refs = new;
+ }
}
- op->o_callback = tmp;
- return rc;
}
static int
-glue_back_search (
- BackendDB *b0,
- Connection *conn,
- Operation *op,
- struct berval *dn,
- struct berval *ndn,
- int scope,
- int deref,
- int slimit,
- int tlimit,
- Filter *filter,
- struct berval *filterstr,
- AttributeName *attrs,
- int attrsonly
-)
+glue_back_search ( Operation *op, SlapReply *rs )
{
- glueinfo *gi = *(glueinfo **) (b0->bd_info+1);
- BackendDB *be;
- int i, rc = 0, t2limit = 0, s2limit = 0;
+ BackendDB *b0 = op->o_bd;
+ glueinfo *gi = (glueinfo *) b0->bd_info;
+ int i;
long stoptime = 0;
- glue_state gs = {0};
- slap_callback cb;
+ glue_state gs = {0, 0, NULL, 0, NULL, NULL};
+ slap_callback cb = { glue_back_response };
+ int scope0, slimit0, tlimit0;
+ struct berval dn, ndn;
- 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) {
- stoptime = slap_get_time () + tlimit;
+ if (op->ors_tlimit) {
+ stoptime = slap_get_time () + op->ors_tlimit;
}
- switch (scope) {
+ switch (op->ors_scope) {
case LDAP_SCOPE_BASE:
- be = glue_back_select (b0, ndn->bv_val);
+ op->o_bd = glue_back_select (b0, op->o_req_ndn.bv_val);
- if (be && be->be_search) {
- rc = be->be_search (be, conn, op, dn, ndn, scope,
- deref, slimit, tlimit, filter, filterstr,
- attrs, attrsonly);
+ if (op->o_bd && op->o_bd->be_search) {
+ rs->sr_err = op->o_bd->be_search( op, rs );
} else {
- rc = LDAP_UNWILLING_TO_PERFORM;
- send_ldap_result (conn, op, rc, NULL,
- "No search target found", NULL, NULL);
+ send_ldap_error(op, rs, LDAP_UNWILLING_TO_PERFORM,
+ "No search target found");
}
- return rc;
+ return rs->sr_err;
case LDAP_SCOPE_ONELEVEL:
case LDAP_SCOPE_SUBTREE:
op->o_callback = &cb;
- rc = gs.err = LDAP_UNWILLING_TO_PERFORM;
+ rs->sr_err = gs.err = LDAP_UNWILLING_TO_PERFORM;
+ scope0 = op->ors_scope;
+ slimit0 = op->ors_slimit;
+ tlimit0 = op->ors_tlimit;
+ dn = op->o_req_dn;
+ ndn = op->o_req_ndn;
/*
* Execute in reverse order, most general first
for (i = gi->nodes-1; i >= 0; i--) {
if (!gi->n[i].be || !gi->n[i].be->be_search)
continue;
- if (tlimit) {
- t2limit = stoptime - slap_get_time ();
- if (t2limit <= 0) {
- rc = gs.err = LDAP_TIMELIMIT_EXCEEDED;
+ if (tlimit0) {
+ op->ors_tlimit = stoptime - slap_get_time ();
+ if (op->ors_tlimit <= 0) {
+ rs->sr_err = gs.err = LDAP_TIMELIMIT_EXCEEDED;
break;
}
}
- if (slimit) {
- s2limit = slimit - gs.nentries;
- if (s2limit <= 0) {
- rc = gs.err = LDAP_SIZELIMIT_EXCEEDED;
+ if (slimit0) {
+ op->ors_slimit = slimit0 - rs->sr_nentries;
+ if (op->ors_slimit <= 0) {
+ rs->sr_err = gs.err = LDAP_SIZELIMIT_EXCEEDED;
break;
}
}
- rc = 0;
+ rs->sr_err = 0;
/*
* check for abandon
*/
if (op->o_abandon) {
goto done;
}
- be = gi->n[i].be;
- if (scope == LDAP_SCOPE_ONELEVEL &&
- dn_match(&gi->n[i].pdn, ndn)) {
- rc = be->be_search (be, conn, op,
- &be->be_suffix[0], &be->be_nsuffix[0],
- LDAP_SCOPE_BASE, deref,
- s2limit, t2limit, filter, filterstr,
- attrs, attrsonly);
-
- } else if (scope == LDAP_SCOPE_SUBTREE &&
- dnIsSuffix(&be->be_nsuffix[0], ndn)) {
- rc = be->be_search (be, conn, op,
- &be->be_suffix[0], &be->be_nsuffix[0],
- scope, deref,
- s2limit, t2limit, filter, filterstr,
- 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);
+ op->o_bd = gi->n[i].be;
+ if (scope0 == LDAP_SCOPE_ONELEVEL &&
+ dn_match(&gi->n[i].pdn, &ndn)) {
+ op->ors_scope = LDAP_SCOPE_BASE;
+ 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);
+
+ } 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 );
+
+ } else if (dnIsSuffix(&ndn, &op->o_bd->be_nsuffix[0])) {
+ rs->sr_err = op->o_bd->be_search( op, rs );
+ }
+
+ 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:;
+ op->ors_scope = scope0;
+ op->ors_slimit = slimit0;
+ op->ors_tlimit = tlimit0;
+ op->o_req_dn = dn;
+ op->o_req_ndn = ndn;
+
break;
}
op->o_callback = gs.prevcb;
+ rs->sr_err = gs.err;
+ rs->sr_matched = gs.matched;
+ rs->sr_ref = gs.refs;
- send_search_result (conn, op, gs.err, gs.matched, NULL,
- gs.refs, NULL, gs.nentries);
+ send_ldap_result( op, rs );
done:
+ op->o_bd = b0;
if (gs.matched)
free (gs.matched);
if (gs.refs)
ber_bvarray_free(gs.refs);
- return rc;
+ return rs->sr_err;
}
BackendDB *b0
)
{
- glueinfo *gi = *(glueinfo **) (b0->bd_info+1);
+ 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->bd_info+1);
+ glueinfo *gi = (glueinfo *) b0->bd_info;
int i;
ID rc;
BackendDB *b0
)
{
- glueinfo *gi = *(glueinfo **) (b0->bd_info+1);
+ glueinfo *gi = (glueinfo *) b0->bd_info;
int i;
/* just sync everyone */
* backends and connect them to their superior.
*/
for (i = nBackendDB - 1, b1=&backendDB[i]; cont && i>=0; b1--,i--) {
- if (b1->be_flags & SLAP_BFLAG_GLUE_SUBORDINATE) {
+ if (SLAP_GLUE_SUBORDINATE ( b1 ) ) {
/* The last database cannot be a subordinate of noone */
if (i == nBackendDB - 1) {
b1->be_flags ^= SLAP_BFLAG_GLUE_SUBORDINATE;
}
gi = NULL;
for (j = i-1, be=&backendDB[j]; j>=0; be--,j--) {
- if (!(be->be_flags & SLAP_BFLAG_GLUE_SUBORDINATE)) {
+ if ( ! SLAP_GLUE_SUBORDINATE( be ) ) {
continue;
}
/* We will only link it once */
- if (be->be_flags & SLAP_BFLAG_GLUE_LINKED) {
+ if ( SLAP_GLUE_LINKED( be ) ) {
continue;
}
if (!dnIsSuffix(&be->be_nsuffix[0], &b1->be_nsuffix[0])) {
*/
b1->be_flags |= SLAP_BFLAG_GLUE_INSTANCE;
gi = (glueinfo *)ch_malloc(sizeof(glueinfo));
-
- /* Space for a copy of the backend, our
- * own backendInfo structure, and a pointer
- * to our glueinfo
- */
- gi->be = (BackendDB *)ch_malloc(
- sizeof(BackendDB) + sizeof(BackendInfo) +
- sizeof(glueinfo *) );
- 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;
/* 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].be = &gi->bd;
dnParent( &b1->be_nsuffix[0], &gi->n[gi->nodes].pdn );
gi->nodes++;
- b1->bd_info = bi;
- /* Save a pointer to our private info. Don't use
- * be_private or bi_private, to avoid having to fix
- * that up before calling the real backend.
- */
- *(glueinfo **)(bi+1) = gi;
+ b1->bd_info = (BackendInfo *)gi;
}
}
/* If there are any unresolved subordinates left, something is wrong */
projects / openldap / blobdiff