/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 2004-2006 The OpenLDAP Foundation.
+ * Copyright 2004-2009 The OpenLDAP Foundation.
* Portions Copyright 2005 Symas Corporation.
* All rights reserved.
*
/* config block */
typedef struct translucent_info {
BackendDB db; /* captive backend */
+ AttributeName *local; /* valid attrs for local filters */
+ AttributeName *remote; /* valid attrs for remote filters */
int strict;
int no_glue;
+ int defer_db_open;
+ int bind_local;
+ int pwmod_local;
} translucent_info;
static ConfigLDAPadd translucent_ldadd;
static ConfigCfAdd translucent_cfadd;
+static ConfigDriver translucent_cf_gen;
+
+enum {
+ TRANS_LOCAL = 1,
+ TRANS_REMOTE
+};
+
static ConfigTable translucentcfg[] = {
{ "translucent_strict", "on|off", 1, 2, 0,
ARG_ON_OFF|ARG_OFFSET,
"( OLcfgOvAt:14.2 NAME 'olcTranslucentNoGlue' "
"DESC 'Disable automatic glue records for ADD and MODRDN' "
"SYNTAX OMsBoolean SINGLE-VALUE )", NULL, NULL },
+ { "translucent_local", "attr[,attr...]", 1, 2, 0,
+ ARG_MAGIC|TRANS_LOCAL,
+ translucent_cf_gen,
+ "( OLcfgOvAt:14.3 NAME 'olcTranslucentLocal' "
+ "DESC 'Attributes to use in local search filter' "
+ "SYNTAX OMsDirectoryString )", NULL, NULL },
+ { "translucent_remote", "attr[,attr...]", 1, 2, 0,
+ ARG_MAGIC|TRANS_REMOTE,
+ translucent_cf_gen,
+ "( OLcfgOvAt:14.4 NAME 'olcTranslucentRemote' "
+ "DESC 'Attributes to use in remote search filter' "
+ "SYNTAX OMsDirectoryString )", NULL, NULL },
+ { "translucent_bind_local", "on|off", 1, 2, 0,
+ ARG_ON_OFF|ARG_OFFSET,
+ (void *)offsetof(translucent_info, bind_local),
+ "( OLcfgOvAt:14.5 NAME 'olcTranslucentBindLocal' "
+ "DESC 'Enable local bind' "
+ "SYNTAX OMsBoolean SINGLE-VALUE)", NULL, NULL },
+ { "translucent_pwmod_local", "on|off", 1, 2, 0,
+ ARG_ON_OFF|ARG_OFFSET,
+ (void *)offsetof(translucent_info, pwmod_local),
+ "( OLcfgOvAt:14.6 NAME 'olcTranslucentPwModLocal' "
+ "DESC 'Enable local RFC 3062 Password Modify extended operation' "
+ "SYNTAX OMsBoolean SINGLE-VALUE)", NULL, NULL },
{ NULL, NULL, 0, 0, 0, ARG_IGNORED }
};
"NAME 'olcTranslucentConfig' "
"DESC 'Translucent configuration' "
"SUP olcOverlayConfig "
- "MAY ( olcTranslucentStrict $ olcTranslucentNoGlue ) )",
+ "MAY ( olcTranslucentStrict $ olcTranslucentNoGlue $"
+ " olcTranslucentLocal $ olcTranslucentRemote $"
+ " olcTranslucentBindLocal $ olcTranslucentPwModLocal ) )",
Cft_Overlay, translucentcfg, NULL, translucent_cfadd },
{ "( OLcfgOvOc:14.2 "
"NAME 'olcTranslucentDatabase' "
"DESC 'Translucent target database configuration' "
- "AUXILIARY )", Cft_Misc, translucentcfg, translucent_ldadd },
+ "AUXILIARY )", Cft_Misc, olcDatabaseDummy, translucent_ldadd },
{ NULL, 0, NULL }
};
/* for translucent_init() */
+static int
+translucent_ldadd_cleanup( ConfigArgs *ca )
+{
+ slap_overinst *on = ca->ca_private;
+ translucent_info *ov = on->on_bi.bi_private;
+
+ ov->defer_db_open = 0;
+ return backend_startup_one( ca->be, &ca->reply );
+}
+
static int
translucent_ldadd( CfEntryInfo *cei, Entry *e, ConfigArgs *ca )
{
on = (slap_overinst *)cei->ce_bi;
ov = on->on_bi.bi_private;
ca->be = &ov->db;
+ ca->ca_private = on;
+ if ( CONFIG_ONLINE_ADD( ca ))
+ ca->cleanup = translucent_ldadd_cleanup;
+ else
+ ov->defer_db_open = 0;
+
return LDAP_SUCCESS;
}
Debug(LDAP_DEBUG_TRACE, "==> translucent_cfadd\n", 0, 0, 0);
/* FIXME: should not hardcode "olcDatabase" here */
- bv.bv_len = sprintf( ca->msg, "olcDatabase=%s",
- ov->db.bd_info->bi_type );
- bv.bv_val = ca->msg;
+ bv.bv_len = snprintf( ca->cr_msg, sizeof( ca->cr_msg ),
+ "olcDatabase=%s", ov->db.bd_info->bi_type );
+ if ( bv.bv_len >= sizeof( ca->cr_msg ) ) {
+ return -1;
+ }
+ bv.bv_val = ca->cr_msg;
ca->be = &ov->db;
+ ov->defer_db_open = 0;
/* We can only create this entry if the database is table-driven
*/
return 0;
}
+static int
+translucent_cf_gen( ConfigArgs *c )
+{
+ slap_overinst *on = (slap_overinst *)c->bi;
+ translucent_info *ov = on->on_bi.bi_private;
+ AttributeName **an, *a2;
+ int i;
+
+ if ( c->type == TRANS_LOCAL )
+ an = &ov->local;
+ else
+ an = &ov->remote;
+
+ if ( c->op == SLAP_CONFIG_EMIT ) {
+ if ( !*an )
+ return 1;
+ for ( i = 0; !BER_BVISNULL(&(*an)[i].an_name); i++ ) {
+ value_add_one( &c->rvalue_vals, &(*an)[i].an_name );
+ }
+ return ( i < 1 );
+ } else if ( c->op == LDAP_MOD_DELETE ) {
+ if ( c->valx < 0 ) {
+ anlist_free( *an, 1, NULL );
+ *an = NULL;
+ } else {
+ i = c->valx;
+ ch_free( (*an)[i].an_name.bv_val );
+ do {
+ (*an)[i] = (*an)[i+1];
+ } while ( !BER_BVISNULL( &(*an)[i].an_name ));
+ }
+ return 0;
+ }
+ a2 = str2anlist( *an, c->argv[1], "," );
+ if ( !a2 ) {
+ snprintf( c->cr_msg, sizeof( c->cr_msg ), "%s unable to parse attribute %s",
+ c->argv[0], c->argv[1] );
+ Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
+ "%s: %s\n", c->log, c->cr_msg, 0 );
+ return ARG_BAD_CONF;
+ }
+ *an = a2;
+ return 0;
+}
+
static slap_overinst translucent;
/*
ber_dupbv(&e->e_nname, &ndn);
a = attr_alloc( slap_schema.si_ad_objectClass );
+ a->a_numvals = 2;
a->a_vals = ch_malloc(sizeof(struct berval) * 3);
ber_dupbv(&a->a_vals[0], &glue[0]);
ber_dupbv(&a->a_vals[1], &glue[1]);
e->e_attrs = a;
a = attr_alloc( slap_schema.si_ad_structuralObjectClass );
+ a->a_numvals = 1;
a->a_vals = ch_malloc(sizeof(struct berval) * 2);
ber_dupbv(&a->a_vals[0], &glue[1]);
ber_dupbv(&a->a_vals[1], &glue[2]);
return;
}
-/*
-** dup_bervarray()
-** copy a BerVarray;
-*/
-
-BerVarray dup_bervarray(BerVarray b) {
- int i, len;
- BerVarray nb;
- for(len = 0; b[len].bv_val; len++);
- nb = ch_malloc((len+1) * sizeof(BerValue));
- for(i = 0; i < len; i++) ber_dupbv(&nb[i], &b[i]);
- nb[len].bv_val = NULL;
- nb[len].bv_len = 0;
- return(nb);
-}
-
/*
** free_attr_chain()
** free only the Attribute*, not the contents;
op->o_bd->bd_info = (BackendInfo *) on;
return(rs->sr_err);
}
- if(!ov->no_glue) glue_parent(op);
+ if(!ov->no_glue) {
+ op->o_tag = LDAP_REQ_ADD;
+ glue_parent(op);
+ op->o_tag = LDAP_REQ_MODRDN;
+ }
return(SLAP_CB_CONTINUE);
}
static int translucent_modify(Operation *op, SlapReply *rs) {
SlapReply nrs = { REP_RESULT };
- Operation nop = *op;
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
translucent_info *ov = on->on_bi.bi_private;
Entry *e = NULL, *re = NULL;
Attribute *a, *ax;
Modifications *m, **mm;
+ BackendDB *db;
int del, rc, erc = 0;
slap_callback cb = { 0 };
Debug(LDAP_DEBUG_TRACE, "==> translucent_modify: %s\n",
op->o_req_dn.bv_val, 0, 0);
+ if(ov->defer_db_open) {
+ send_ldap_error(op, rs, LDAP_UNAVAILABLE,
+ "remote DB not available");
+ return(rs->sr_err);
+ }
/*
** fetch entry from the captive backend;
** if it did not exist, fail;
**
*/
- nop.o_bd = &ov->db;
- rc = ov->db.bd_info->bi_entry_get_rw(&nop, &nop.o_req_ndn, NULL, NULL, 0, &re);
+ db = op->o_bd;
+ op->o_bd = &ov->db;
+ ov->db.be_acl = op->o_bd->be_acl;
+ rc = ov->db.bd_info->bi_entry_get_rw(op, &op->o_req_ndn, NULL, NULL, 0, &re);
if(rc != LDAP_SUCCESS || re == NULL ) {
- send_ldap_error((&nop), rs, LDAP_NO_SUCH_OBJECT,
+ send_ldap_error((op), rs, LDAP_NO_SUCH_OBJECT,
"attempt to modify nonexistent local record");
return(rs->sr_err);
}
- nop = *op;
+ op->o_bd = db;
/*
** fetch entry from local backend;
** if it exists:
Debug(LDAP_DEBUG_TRACE, "=> translucent_modify: found local entry\n", 0, 0, 0);
for(mm = &op->orm_modlist; *mm; ) {
m = *mm;
- mm = &m->sml_next;
for(a = e->e_attrs; a; a = a->a_next)
if(a->a_desc == m->sml_desc) break;
- if(a) continue; /* found local attr */
+ if(a) {
+ mm = &m->sml_next;
+ continue; /* found local attr */
+ }
if(m->sml_op == LDAP_MOD_DELETE) {
for(a = re->e_attrs; a; a = a->a_next)
if(a->a_desc == m->sml_desc) break;
continue;
}
m->sml_op = LDAP_MOD_ADD;
+ mm = &m->sml_next;
}
erc = SLAP_CB_CONTINUE;
release:
if(re) {
- if(ov->db.bd_info->bi_entry_release_rw)
- ov->db.bd_info->bi_entry_release_rw(&nop, re, 0);
- else
+ if(ov->db.bd_info->bi_entry_release_rw) {
+ op->o_bd = &ov->db;
+ ov->db.bd_info->bi_entry_release_rw(op, re, 0);
+ op->o_bd = db;
+ } else
entry_free(re);
}
op->o_bd->bd_info = (BackendInfo *) on->on_info;
/* don't leak remote entry copy */
if(re) {
- if(ov->db.bd_info->bi_entry_release_rw)
- ov->db.bd_info->bi_entry_release_rw(&nop, re, 0);
- else
+ if(ov->db.bd_info->bi_entry_release_rw) {
+ op->o_bd = &ov->db;
+ ov->db.bd_info->bi_entry_release_rw(op, re, 0);
+ op->o_bd = db;
+ } else
entry_free(re);
}
/*
atmp.a_desc = m->sml_desc;
atmp.a_vals = m->sml_values;
atmp.a_nvals = m->sml_nvalues ? m->sml_nvalues : atmp.a_vals;
+ atmp.a_numvals = m->sml_numvals;
+ atmp.a_flags = 0;
a = attr_dup( &atmp );
a->a_next = ax;
ax = a;
ber_dupbv( &e->e_nname, &op->o_req_ndn );
e->e_attrs = a;
- nop.o_tag = LDAP_REQ_ADD;
- nop.oq_add.rs_e = e;
-
- glue_parent(&nop);
-
+ op->o_tag = LDAP_REQ_ADD;
cb.sc_response = translucent_tag_cb;
cb.sc_private = op->orm_modlist;
- cb.sc_next = nop.o_callback;
- nop.o_callback = &cb;
- rc = on->on_info->oi_orig->bi_op_add(&nop, &nrs);
- if ( nop.ora_e == e )
+ op->oq_add.rs_e = e;
+
+ glue_parent(op);
+
+ cb.sc_next = op->o_callback;
+ op->o_callback = &cb;
+ rc = on->on_info->oi_orig->bi_op_add(op, &nrs);
+ if ( op->ora_e == e )
entry_free( e );
+ op->o_callback = cb.sc_next;
return(rc);
}
static int translucent_compare(Operation *op, SlapReply *rs) {
- Operation nop = *op;
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
translucent_info *ov = on->on_bi.bi_private;
AttributeAssertion *ava = op->orc_ava;
Entry *e;
+ BackendDB *db;
int rc;
Debug(LDAP_DEBUG_TRACE, "==> translucent_compare: <%s> %s:%s\n",
** CONTINUE and let it do the compare;
**
*/
- op->o_bd->bd_info = (BackendInfo *) on->on_info;
- rc = be_entry_get_rw(op, &op->o_req_ndn, NULL, ava->aa_desc, 0, &e);
- if(e && rc == LDAP_SUCCESS) {
- be_entry_release_r(op, e);
- op->o_bd->bd_info = (BackendInfo *) on;
+ rc = overlay_entry_get_ov(op, &op->o_req_ndn, NULL, ava->aa_desc, 0, &e, on);
+ if(rc == LDAP_SUCCESS && e) {
+ overlay_entry_release_ov(op, e, 0, on);
return(SLAP_CB_CONTINUE);
}
- op->o_bd->bd_info = (BackendInfo *) on;
+ if(ov->defer_db_open) {
+ send_ldap_error(op, rs, LDAP_UNAVAILABLE,
+ "remote DB not available");
+ return(rs->sr_err);
+ }
/*
** call compare() in the captive backend;
** return the result;
**
*/
- nop.o_bd = &ov->db;
- nop.o_callback = NULL;
- rc = ov->db.bd_info->bi_op_compare(&nop, rs);
+ db = op->o_bd;
+ op->o_bd = &ov->db;
+ ov->db.be_acl = op->o_bd->be_acl;
+ rc = ov->db.bd_info->bi_op_compare(op, rs);
+ op->o_bd = db;
return(rc);
}
+static int translucent_pwmod(Operation *op, SlapReply *rs) {
+ SlapReply nrs = { REP_RESULT };
+ Operation nop;
+
+ slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
+ translucent_info *ov = on->on_bi.bi_private;
+ const struct berval bv_exop_pwmod = BER_BVC(LDAP_EXOP_MODIFY_PASSWD);
+ Entry *e = NULL, *re = NULL;
+ BackendDB *db;
+ int rc = 0;
+ slap_callback cb = { 0 };
+
+ if (!ov->pwmod_local) {
+ rs->sr_err = LDAP_CONSTRAINT_VIOLATION,
+ rs->sr_text = "attempt to modify password in local database";
+ return rs->sr_err;
+ }
+
+/*
+** fetch entry from the captive backend;
+** if it did not exist, fail;
+** release it, if captive backend supports this;
+**
+*/
+ db = op->o_bd;
+ op->o_bd = &ov->db;
+ ov->db.be_acl = op->o_bd->be_acl;
+ rc = ov->db.bd_info->bi_entry_get_rw(op, &op->o_req_ndn, NULL, NULL, 0, &re);
+ if(rc != LDAP_SUCCESS || re == NULL ) {
+ send_ldap_error((op), rs, LDAP_NO_SUCH_OBJECT,
+ "attempt to modify nonexistent local record");
+ return(rs->sr_err);
+ }
+ op->o_bd = db;
+/*
+** fetch entry from local backend;
+** if it exists:
+** return CONTINUE;
+*/
+
+ op->o_bd->bd_info = (BackendInfo *) on->on_info;
+ rc = be_entry_get_rw(op, &op->o_req_ndn, NULL, NULL, 0, &e);
+ op->o_bd->bd_info = (BackendInfo *) on;
+
+ if(e && rc == LDAP_SUCCESS) {
+ if(re) {
+ if(ov->db.bd_info->bi_entry_release_rw) {
+ op->o_bd = &ov->db;
+ ov->db.bd_info->bi_entry_release_rw(op, re, 0);
+ op->o_bd = db;
+ } else {
+ entry_free(re);
+ }
+ }
+ op->o_bd->bd_info = (BackendInfo *) on->on_info;
+ be_entry_release_r(op, e);
+ op->o_bd->bd_info = (BackendInfo *) on;
+ return SLAP_CB_CONTINUE;
+ }
+
+ /* don't leak remote entry copy */
+ if(re) {
+ if(ov->db.bd_info->bi_entry_release_rw) {
+ op->o_bd = &ov->db;
+ ov->db.bd_info->bi_entry_release_rw(op, re, 0);
+ op->o_bd = db;
+ } else {
+ entry_free(re);
+ }
+ }
+/*
+** glue_parent() for this Entry;
+** call bi_op_add() in local backend;
+**
+*/
+ e = entry_alloc();
+ ber_dupbv( &e->e_name, &op->o_req_dn );
+ ber_dupbv( &e->e_nname, &op->o_req_ndn );
+ e->e_attrs = NULL;
+
+ nop = *op;
+ nop.o_tag = LDAP_REQ_ADD;
+ cb.sc_response = slap_null_cb;
+ nop.oq_add.rs_e = e;
+
+ glue_parent(&nop);
+
+ nop.o_callback = &cb;
+ rc = on->on_info->oi_orig->bi_op_add(&nop, &nrs);
+ if ( nop.ora_e == e ) {
+ entry_free( e );
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ return SLAP_CB_CONTINUE;
+ }
+
+ return rc;
+}
+
+static int translucent_exop(Operation *op, SlapReply *rs) {
+ SlapReply nrs = { REP_RESULT };
+
+ slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
+ translucent_info *ov = on->on_bi.bi_private;
+ const struct berval bv_exop_pwmod = BER_BVC(LDAP_EXOP_MODIFY_PASSWD);
+
+ Debug(LDAP_DEBUG_TRACE, "==> translucent_exop: %s\n",
+ op->o_req_dn.bv_val, 0, 0);
+
+ if(ov->defer_db_open) {
+ send_ldap_error(op, rs, LDAP_UNAVAILABLE,
+ "remote DB not available");
+ return(rs->sr_err);
+ }
+
+ if ( bvmatch( &bv_exop_pwmod, &op->ore_reqoid ) ) {
+ return translucent_pwmod( op, rs );
+ }
+
+ return SLAP_CB_CONTINUE;
+}
+
/*
** translucent_search_cb()
-** merge local data with the search result
+** merge local data with remote data
**
+** Four cases:
+** 1: remote search, no local filter
+** merge data and send immediately
+** 2: remote search, with local filter
+** merge data and save
+** 3: local search, no remote filter
+** merge data and send immediately
+** 4: local search, with remote filter
+** check list, merge, send, delete
*/
+#define RMT_SIDE 0
+#define LCL_SIDE 1
+#define USE_LIST 2
+
+typedef struct trans_ctx {
+ BackendDB *db;
+ slap_overinst *on;
+ Filter *orig;
+ Avlnode *list;
+ int step;
+ int slimit;
+ AttributeName *attrs;
+} trans_ctx;
+
static int translucent_search_cb(Operation *op, SlapReply *rs) {
+ trans_ctx *tc;
+ BackendDB *db;
slap_overinst *on;
- Entry *e, *re = NULL;
+ translucent_info *ov;
+ Entry *le, *re;
Attribute *a, *ax, *an, *as = NULL;
- Operation * original_op, local_op;
int rc;
+ int test_f = 0;
+
+ tc = op->o_callback->sc_private;
+
+ /* Don't let the op complete while we're gathering data */
+ if ( rs->sr_type == REP_RESULT && ( tc->step & USE_LIST ))
+ return 0;
if(!op || !rs || rs->sr_type != REP_SEARCH || !rs->sr_entry)
return(SLAP_CB_CONTINUE);
Debug(LDAP_DEBUG_TRACE, "==> translucent_search_cb: %s\n",
rs->sr_entry->e_name.bv_val, 0, 0);
- original_op = op->o_callback->sc_private;
- on = (slap_overinst *) original_op->o_bd->bd_info;
- local_op = *original_op;
+ op->ors_slimit = tc->slimit + ( tc->slimit > 0 ? 1 : 0 );
+ if ( op->ors_attrs == slap_anlist_all_attributes ) {
+ op->ors_attrs = tc->attrs;
+ rs->sr_attrs = tc->attrs;
+ rs->sr_attr_flags = slap_attr_flags( rs->sr_attrs );
+ }
- local_op.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
- rc = be_entry_get_rw(&local_op, &rs->sr_entry->e_nname, NULL, NULL, 0, &e);
- local_op.o_bd->bd_info = (BackendInfo *) on;
+ on = tc->on;
+ ov = on->on_bi.bi_private;
+
+ db = op->o_bd;
+ re = NULL;
+
+ /* If we have local, get remote */
+ if ( tc->step & LCL_SIDE ) {
+ le = rs->sr_entry;
+ /* If entry is already on list, use it */
+ if ( tc->step & USE_LIST ) {
+ re = tavl_delete( &tc->list, le, entry_dn_cmp );
+ if ( re ) {
+ if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
+ rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
+ overlay_entry_release_ov( op, rs->sr_entry, 0, on );
+ }
+ if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
+ rs->sr_flags ^= REP_ENTRY_MUSTBEFREED;
+ entry_free( rs->sr_entry );
+ }
+ rc = test_filter( op, re, tc->orig );
+ if ( rc == LDAP_COMPARE_TRUE ) {
+ rs->sr_flags |= REP_ENTRY_MUSTBEFREED;
+ rs->sr_entry = re;
+
+ if ( tc->slimit >= 0 && rs->sr_nentries >= tc->slimit ) {
+ return LDAP_SIZELIMIT_EXCEEDED;
+ }
+
+ return SLAP_CB_CONTINUE;
+ } else {
+ entry_free( re );
+ rs->sr_entry = NULL;
+ return 0;
+ }
+ }
+ }
+ op->o_bd = &ov->db;
+ rc = be_entry_get_rw( op, &rs->sr_entry->e_nname, NULL, NULL, 0, &re );
+ if ( rc == LDAP_SUCCESS && re ) {
+ Entry *tmp = entry_dup( re );
+ be_entry_release_r( op, re );
+ re = tmp;
+ test_f = 1;
+ }
+ } else {
+ /* Else we have remote, get local */
+ op->o_bd = tc->db;
+ rc = overlay_entry_get_ov(op, &rs->sr_entry->e_nname, NULL, NULL, 0, &le, on);
+ if ( rc == LDAP_SUCCESS && le ) {
+ re = entry_dup( rs->sr_entry );
+ if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
+ rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
+ overlay_entry_release_ov( op, rs->sr_entry, 0, on );
+ }
+ if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
+ rs->sr_flags ^= REP_ENTRY_MUSTBEFREED;
+ entry_free( rs->sr_entry );
+ }
+ } else {
+ le = NULL;
+ }
+ }
/*
-** if we got an entry from local backend:
-** make a copy of this search result;
+** if we got remote and local entry:
** foreach local attr:
-** foreach search result attr:
-** if match, result attr with local attr;
+** foreach remote attr:
+** if match, remote attr with local attr;
** if new local, add to list;
-** append new local attrs to search result;
+** append new local attrs to remote;
**
*/
- if(e && rc == LDAP_SUCCESS) {
- re = entry_dup(rs->sr_entry);
- for(ax = e->e_attrs; ax; ax = ax->a_next) {
-#if 0
- if(is_at_operational(ax->a_desc->ad_type)) continue;
-#endif
+ if ( re && le ) {
+ for(ax = le->e_attrs; ax; ax = ax->a_next) {
for(a = re->e_attrs; a; a = a->a_next) {
if(a->a_desc == ax->a_desc) {
+ test_f = 1;
if(a->a_vals != a->a_nvals)
ber_bvarray_free(a->a_nvals);
ber_bvarray_free(a->a_vals);
- a->a_vals = dup_bervarray(ax->a_vals);
- a->a_nvals = (ax->a_vals == ax->a_nvals) ?
- a->a_vals : dup_bervarray(ax->a_nvals);
+ ber_bvarray_dup_x( &a->a_vals, ax->a_vals, NULL );
+ if ( ax->a_vals == ax->a_nvals ) {
+ a->a_nvals = a->a_vals;
+ } else {
+ ber_bvarray_dup_x( &a->a_nvals, ax->a_nvals, NULL );
+ }
break;
}
}
an->a_next = as;
as = an;
}
- local_op.o_bd->bd_info = (BackendInfo *) on->on_info->oi_orig;
- be_entry_release_r(&local_op, e);
- local_op.o_bd->bd_info = (BackendInfo *) on;
+ /* Dispose of local entry */
+ if ( tc->step & LCL_SIDE ) {
+ if ( rs->sr_flags & REP_ENTRY_MUSTRELEASE ) {
+ rs->sr_flags ^= REP_ENTRY_MUSTRELEASE;
+ overlay_entry_release_ov( op, rs->sr_entry, 0, on );
+ }
+ if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
+ rs->sr_flags ^= REP_ENTRY_MUSTBEFREED;
+ entry_free( rs->sr_entry );
+ }
+ } else {
+ overlay_entry_release_ov(op, le, 0, on);
+ }
/* literally append, so locals are always last */
if(as) {
re->e_attrs = as;
}
}
- rs->sr_entry = re;
- rs->sr_flags |= REP_ENTRY_MUSTBEFREED;
+ /* If both filters, save entry for later */
+ if ( tc->step == (USE_LIST|RMT_SIDE) ) {
+ tavl_insert( &tc->list, re, entry_dn_cmp, avl_dup_error );
+ rs->sr_entry = NULL;
+ rc = 0;
+ } else {
+ /* send it now */
+ rs->sr_entry = re;
+ rs->sr_flags |= REP_ENTRY_MUSTBEFREED;
+ if ( test_f ) {
+ rc = test_filter( op, rs->sr_entry, tc->orig );
+ if ( rc == LDAP_COMPARE_TRUE ) {
+ rc = SLAP_CB_CONTINUE;
+ } else {
+ rc = 0;
+ }
+ } else {
+ rc = SLAP_CB_CONTINUE;
+ }
+ }
+ } else if ( le ) {
+ /* Only a local entry: remote was deleted
+ * Ought to delete the local too...
+ */
+ rc = 0;
+ } else if ( tc->step & USE_LIST ) {
+ /* Only a remote entry, but both filters:
+ * Test the complete filter
+ */
+ rc = test_filter( op, rs->sr_entry, tc->orig );
+ if ( rc == LDAP_COMPARE_TRUE ) {
+ rc = SLAP_CB_CONTINUE;
+ } else {
+ rc = 0;
+ }
+ } else {
+ /* Only a remote entry, only remote filter:
+ * just pass thru
+ */
+ rc = SLAP_CB_CONTINUE;
}
- return(SLAP_CB_CONTINUE);
+ op->o_bd = db;
+
+ if ( rc == SLAP_CB_CONTINUE && tc->slimit >= 0 && rs->sr_nentries >= tc->slimit ) {
+ return LDAP_SIZELIMIT_EXCEEDED;
+ }
+
+ return rc;
+}
+
+/* Dup the filter, excluding invalid elements */
+static Filter *
+trans_filter_dup(Operation *op, Filter *f, AttributeName *an)
+{
+ Filter *n = NULL;
+
+ if ( !f )
+ return NULL;
+
+ switch( f->f_choice & SLAPD_FILTER_MASK ) {
+ case SLAPD_FILTER_COMPUTED:
+ n = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
+ n->f_choice = f->f_choice;
+ n->f_result = f->f_result;
+ n->f_next = NULL;
+ break;
+
+ case LDAP_FILTER_PRESENT:
+ if ( ad_inlist( f->f_desc, an )) {
+ n = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
+ n->f_choice = f->f_choice;
+ n->f_desc = f->f_desc;
+ n->f_next = NULL;
+ }
+ break;
+
+ case LDAP_FILTER_EQUALITY:
+ case LDAP_FILTER_GE:
+ case LDAP_FILTER_LE:
+ case LDAP_FILTER_APPROX:
+ case LDAP_FILTER_SUBSTRINGS:
+ case LDAP_FILTER_EXT:
+ if ( !f->f_av_desc || ad_inlist( f->f_av_desc, an )) {
+ n = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
+ n->f_choice = f->f_choice;
+ n->f_ava = f->f_ava;
+ n->f_next = NULL;
+ }
+ break;
+
+ case LDAP_FILTER_AND:
+ case LDAP_FILTER_OR:
+ case LDAP_FILTER_NOT: {
+ Filter **p;
+
+ n = op->o_tmpalloc( sizeof(Filter), op->o_tmpmemctx );
+ n->f_choice = f->f_choice;
+ n->f_next = NULL;
+
+ for ( p = &n->f_list, f = f->f_list; f; f = f->f_next ) {
+ *p = trans_filter_dup( op, f, an );
+ if ( !*p )
+ continue;
+ p = &(*p)->f_next;
+ }
+ /* nothing valid in this list */
+ if ( !n->f_list ) {
+ op->o_tmpfree( n, op->o_tmpmemctx );
+ return NULL;
+ }
+ /* Only 1 element in this list */
+ if ((n->f_choice & SLAPD_FILTER_MASK) != LDAP_FILTER_NOT &&
+ !n->f_list->f_next ) {
+ f = n->f_list;
+ *n = *f;
+ op->o_tmpfree( f, op->o_tmpmemctx );
+ }
+ break;
+ }
+ }
+ return n;
+}
+
+static void
+trans_filter_free( Operation *op, Filter *f )
+{
+ Filter *n, *p, *next;
+
+ f->f_choice &= SLAPD_FILTER_MASK;
+
+ switch( f->f_choice ) {
+ case LDAP_FILTER_AND:
+ case LDAP_FILTER_OR:
+ case LDAP_FILTER_NOT:
+ /* Free in reverse order */
+ n = NULL;
+ for ( p = f->f_list; p; p = next ) {
+ next = p->f_next;
+ p->f_next = n;
+ n = p;
+ }
+ for ( p = n; p; p = next ) {
+ next = p->f_next;
+ trans_filter_free( op, p );
+ }
+ break;
+ default:
+ break;
+ }
+ op->o_tmpfree( f, op->o_tmpmemctx );
}
/*
static int translucent_search(Operation *op, SlapReply *rs) {
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
- Operation nop = *op;
translucent_info *ov = on->on_bi.bi_private;
slap_callback cb = { NULL, NULL, NULL, NULL };
+ trans_ctx tc;
+ Filter *fl, *fr;
+ struct berval fbv;
+ int rc = 0;
Debug(LDAP_DEBUG_TRACE, "==> translucent_search: <%s> %s\n",
op->o_req_dn.bv_val, op->ors_filterstr.bv_val, 0);
+ if(ov->defer_db_open) {
+ send_ldap_error(op, rs, LDAP_UNAVAILABLE,
+ "remote DB not available");
+ return(rs->sr_err);
+ }
+
+ fr = ov->remote ? trans_filter_dup( op, op->ors_filter, ov->remote ) : NULL;
+ fl = ov->local ? trans_filter_dup( op, op->ors_filter, ov->local ) : NULL;
cb.sc_response = (slap_response *) translucent_search_cb;
- cb.sc_private = op;
- cb.sc_next = nop.o_callback;
+ cb.sc_private = &tc;
+ cb.sc_next = op->o_callback;
+
+ ov->db.be_acl = op->o_bd->be_acl;
+ tc.db = op->o_bd;
+ tc.on = on;
+ tc.orig = op->ors_filter;
+ tc.list = NULL;
+ tc.step = 0;
+ tc.slimit = op->ors_slimit;
+ tc.attrs = NULL;
+ fbv = op->ors_filterstr;
+
+ op->o_callback = &cb;
+
+ if ( fr || !fl ) {
+ tc.attrs = op->ors_attrs;
+ op->ors_slimit = SLAP_NO_LIMIT;
+ op->ors_attrs = slap_anlist_all_attributes;
+ op->o_bd = &ov->db;
+ tc.step |= RMT_SIDE;
+ if ( fl ) {
+ tc.step |= USE_LIST;
+ op->ors_filter = fr;
+ filter2bv_x( op, fr, &op->ors_filterstr );
+ }
+ rc = ov->db.bd_info->bi_op_search(op, rs);
+ op->ors_attrs = tc.attrs;
+ op->o_bd = tc.db;
+ if ( fl ) {
+ op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
+ }
+ }
+ if ( fl && !rc ) {
+ tc.step |= LCL_SIDE;
+ op->ors_filter = fl;
+ filter2bv_x( op, fl, &op->ors_filterstr );
+ rc = overlay_op_walk( op, rs, op_search, on->on_info, on->on_next );
+ op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
+ }
+ op->ors_filterstr = fbv;
+ op->ors_filter = tc.orig;
+ op->o_callback = cb.sc_next;
+ rs->sr_attrs = op->ors_attrs;
+ rs->sr_attr_flags = slap_attr_flags( rs->sr_attrs );
+
+ /* Send out anything remaining on the list and finish */
+ if ( tc.step & USE_LIST ) {
+ if ( tc.list ) {
+ Avlnode *av;
+
+ av = tavl_end( tc.list, TAVL_DIR_LEFT );
+ while ( av ) {
+ rs->sr_entry = av->avl_data;
+ rc = test_filter( op, rs->sr_entry, op->ors_filter );
+ if ( rc == LDAP_COMPARE_TRUE ) {
+ rs->sr_flags = REP_ENTRY_MUSTBEFREED;
+ rc = send_search_entry( op, rs );
+ if ( rc ) break;
+ } else {
+ entry_free( rs->sr_entry );
+ }
+ av = tavl_next( av, TAVL_DIR_RIGHT );
+ }
+ tavl_free( tc.list, NULL );
+ rs->sr_entry = NULL;
+ }
+ send_ldap_result( op, rs );
+ }
- nop.o_callback = &cb;
- nop.o_bd = &ov->db;
- return (ov->db.bd_info->bi_op_search(&nop, rs));
+ op->ors_slimit = tc.slimit;
+
+ /* Free in reverse order */
+ if ( fl )
+ trans_filter_free( op, fl );
+ if ( fr )
+ trans_filter_free( op, fr );
+
+ return rc;
}
static int translucent_bind(Operation *op, SlapReply *rs) {
slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
- Operation nop = *op;
translucent_info *ov = on->on_bi.bi_private;
+ BackendDB *db;
+ slap_callback sc = { 0 }, *save_cb;
+ int rc;
Debug(LDAP_DEBUG_TRACE, "translucent_bind: <%s> method %d\n",
op->o_req_dn.bv_val, op->orb_method, 0);
- nop.o_bd = &ov->db;
- return (ov->db.bd_info->bi_op_bind(&nop, rs));
+ if(ov->defer_db_open) {
+ send_ldap_error(op, rs, LDAP_UNAVAILABLE,
+ "remote DB not available");
+ return(rs->sr_err);
+ }
+
+ if (ov->bind_local) {
+ sc.sc_response = slap_null_cb;
+ save_cb = op->o_callback;
+ op->o_callback = ≻
+ }
+
+ db = op->o_bd;
+ op->o_bd = &ov->db;
+ ov->db.be_acl = op->o_bd->be_acl;
+ rc = ov->db.bd_info->bi_op_bind(op, rs);
+ op->o_bd = db;
+
+ if (ov->bind_local) {
+ op->o_callback = save_cb;
+ if (rc != LDAP_SUCCESS) {
+ rc = SLAP_CB_CONTINUE;
+ }
+ }
+
+ return rc;
}
/*
**
*/
-static int translucent_db_init(BackendDB *be) {
+static int translucent_db_init(BackendDB *be, ConfigReply *cr) {
slap_overinst *on = (slap_overinst *) be->bd_info;
translucent_info *ov;
- int rc;
Debug(LDAP_DEBUG_TRACE, "==> translucent_db_init\n", 0, 0, 0);
on->on_bi.bi_private = ov;
ov->db = *be;
ov->db.be_private = NULL;
- ov->db.be_pcl_mutexp = &ov->db.be_pcl_mutex;
+ ov->defer_db_open = 1;
- if ( !backend_db_init( "ldap", &ov->db )) {
+ if ( !backend_db_init( "ldap", &ov->db, -1, NULL )) {
Debug( LDAP_DEBUG_CONFIG, "translucent: unable to open captive back-ldap\n", 0, 0, 0);
return 1;
}
**
*/
-static int translucent_db_open(BackendDB *be) {
+static int translucent_db_open(BackendDB *be, ConfigReply *cr) {
slap_overinst *on = (slap_overinst *) be->bd_info;
translucent_info *ov = on->on_bi.bi_private;
int rc;
ov->db.be_acl = be->be_acl;
ov->db.be_dfltaccess = be->be_dfltaccess;
- rc = backend_startup_one( &ov->db );
+ if ( ov->defer_db_open )
+ return 0;
+
+ rc = backend_startup_one( &ov->db, cr );
if(rc) Debug(LDAP_DEBUG_TRACE,
"translucent: bi_db_open() returned error %d\n", rc, 0, 0);
/*
** translucent_db_close()
-** if the captive backend has a close() method, call it;
-** free any config data;
+** if the captive backend has a close() method, call it
**
*/
static int
-translucent_db_close( BackendDB *be )
+translucent_db_close( BackendDB *be, ConfigReply *cr )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
translucent_info *ov = on->on_bi.bi_private;
Debug(LDAP_DEBUG_TRACE, "==> translucent_db_close\n", 0, 0, 0);
if ( ov && ov->db.bd_info && ov->db.bd_info->bi_db_close ) {
- rc = ov->db.bd_info->bi_db_close(&ov->db);
+ rc = ov->db.bd_info->bi_db_close(&ov->db, NULL);
}
return(rc);
/*
** translucent_db_destroy()
-** if the captive backend has a db_destroy() method, call it
+** if the captive backend has a db_destroy() method, call it;
+** free any config data
**
*/
static int
-translucent_db_destroy( BackendDB *be )
+translucent_db_destroy( BackendDB *be, ConfigReply *cr )
{
slap_overinst *on = (slap_overinst *) be->bd_info;
translucent_info *ov = on->on_bi.bi_private;
int rc = 0;
- Debug(LDAP_DEBUG_TRACE, "==> translucent_db_close\n", 0, 0, 0);
+ Debug(LDAP_DEBUG_TRACE, "==> translucent_db_destroy\n", 0, 0, 0);
if ( ov ) {
+ if ( ov->remote )
+ anlist_free( ov->remote, 1, NULL );
+ if ( ov->local )
+ anlist_free( ov->local, 1, NULL );
if ( ov->db.be_private != NULL ) {
backend_stopdown_one( &ov->db );
}
translucent.on_bi.bi_op_search = translucent_search;
translucent.on_bi.bi_op_compare = translucent_compare;
translucent.on_bi.bi_connection_destroy = translucent_connection_destroy;
+ translucent.on_bi.bi_extended = translucent_exop;
translucent.on_bi.bi_cf_ocs = translucentocs;
rc = config_register_schema ( translucentcfg, translucentocs );