backsql_entryID *
backsql_entryID_dup( backsql_entryID *src, void *ctx )
{
backsql_entryID *dst;
if ( src == NULL ) return NULL;
dst = slap_sl_calloc( 1, sizeof( backsql_entryID ), ctx );
ber_dupbv_x( &dst->eid_ndn, &src->eid_ndn, ctx );
if ( src->eid_dn.bv_val == src->eid_ndn.bv_val ) {
dst->eid_dn = dst->eid_ndn;
} else {
ber_dupbv_x( &dst->eid_dn, &src->eid_dn, ctx );
}
#ifdef BACKSQL_ARBITRARY_KEY
ber_dupbv_x( &dst->eid_id, &src->eid_id, ctx );
ber_dupbv_x( &dst->eid_keyval, &src->eid_keyval, ctx );
#else /* ! BACKSQL_ARBITRARY_KEY */
dst->eid_id = src->eid_id;
dst->eid_keyval = src->eid_keyval;
#endif /* ! BACKSQL_ARBITRARY_KEY */
dst->eid_oc = src->eid_oc;
dst->eid_oc_id = src->eid_oc_id;
return dst;
}
int slap_read_controls(
Operation *op,
SlapReply *rs,
Entry *e,
const struct berval *oid,
LDAPControl **ctrl )
{
int rc;
struct berval bv;
BerElementBuffer berbuf;
BerElement *ber = (BerElement *) &berbuf;
LDAPControl c;
Operation myop;
Debug( LDAP_DEBUG_ANY, "%s slap_read_controls: (%s) %s\n",
op->o_log_prefix, oid->bv_val, e->e_dn );
rs->sr_entry = e;
rs->sr_attrs = ( oid == &slap_pre_read_bv ) ?
op->o_preread_attrs : op->o_postread_attrs;
bv.bv_len = entry_flatsize( rs->sr_entry, 0 );
bv.bv_val = op->o_tmpalloc( bv.bv_len, op->o_tmpmemctx );
ber_init2( ber, &bv, LBER_USE_DER );
ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
/* create new operation */
myop = *op;
/* FIXME: o_bd needed for ACL */
myop.o_bd = op->o_bd;
myop.o_res_ber = ber;
myop.o_callback = NULL;
myop.ors_slimit = 1;
myop.ors_attrsonly = 0;
rc = slap_send_search_entry( &myop, rs );
if( rc ) return rc;
rc = ber_flatten2( ber, &c.ldctl_value, 0 );
if( rc == -1 ) return LDAP_OTHER;
c.ldctl_oid = oid->bv_val;
c.ldctl_iscritical = 0;
if ( *ctrl == NULL ) {
/* first try */
*ctrl = (LDAPControl *) slap_sl_calloc( 1, sizeof(LDAPControl), NULL );
} else {
/* retry: free previous try */
slap_sl_free( (*ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
}
**ctrl = c;
return LDAP_SUCCESS;
}
int
slap_send_search_entry( Operation *op, SlapReply *rs )
{
BerElementBuffer berbuf;
BerElement *ber = (BerElement *) &berbuf;
Attribute *a;
int i, j, rc = LDAP_UNAVAILABLE, bytes;
int userattrs;
AccessControlState acl_state = ACL_STATE_INIT;
int attrsonly;
AttributeDescription *ad_entry = slap_schema.si_ad_entry;
/* a_flags: array of flags telling if the i-th element will be
* returned or filtered out
* e_flags: array of a_flags
*/
char **e_flags = NULL;
rs->sr_type = REP_SEARCH;
if ( op->ors_slimit >= 0 && rs->sr_nentries >= op->ors_slimit ) {
rc = LDAP_SIZELIMIT_EXCEEDED;
goto error_return;
}
/* Every 64 entries, check for thread pool pause */
if ( ( ( rs->sr_nentries & 0x3f ) == 0x3f ) &&
ldap_pvt_thread_pool_pausing( &connection_pool ) > 0 )
{
rc = LDAP_BUSY;
goto error_return;
}
/* eventually will loop through generated operational attribute types
* currently implemented types include:
* entryDN, subschemaSubentry, and hasSubordinates */
/* NOTE: moved before overlays callback circling because
* they may modify entry and other stuff in rs */
/* check for special all operational attributes ("+") type */
/* FIXME: maybe we could set this flag at the operation level;
* however, in principle the caller of send_search_entry() may
* change the attribute list at each call */
rs->sr_attr_flags = slap_attr_flags( rs->sr_attrs );
rc = backend_operational( op, rs );
if ( rc ) {
goto error_return;
}
if ( op->o_callback ) {
rc = slap_response_play( op, rs );
if ( rc != SLAP_CB_CONTINUE ) {
goto error_return;
}
}
Debug( LDAP_DEBUG_TRACE, "=> send_search_entry: conn %lu dn=\"%s\"%s\n",
op->o_connid, rs->sr_entry->e_name.bv_val,
op->ors_attrsonly ? " (attrsOnly)" : "" );
attrsonly = op->ors_attrsonly;
if ( !access_allowed( op, rs->sr_entry, ad_entry, NULL, ACL_READ, NULL )) {
Debug( LDAP_DEBUG_ACL,
"send_search_entry: conn %lu access to entry (%s) not allowed\n",
op->o_connid, rs->sr_entry->e_name.bv_val );
rc = LDAP_INSUFFICIENT_ACCESS;
goto error_return;
}
if ( op->o_res_ber ) {
/* read back control or LDAP_CONNECTIONLESS */
ber = op->o_res_ber;
} else {
struct berval bv;
bv.bv_len = entry_flatsize( rs->sr_entry, 0 );
bv.bv_val = op->o_tmpalloc( bv.bv_len, op->o_tmpmemctx );
ber_init2( ber, &bv, LBER_USE_DER );
ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
}
#ifdef LDAP_CONNECTIONLESS
if ( op->o_conn && op->o_conn->c_is_udp ) {
/* CONNECTIONLESS */
if ( op->o_protocol == LDAP_VERSION2 ) {
rc = ber_printf(ber, "t{O{" /*}}*/,
LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
} else {
rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
}
} else
#endif
if ( op->o_res_ber ) {
/* read back control */
rc = ber_printf( ber, "t{O{" /*}}*/,
LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
} else {
rc = ber_printf( ber, "{it{O{" /*}}}*/, op->o_msgid,
LDAP_RES_SEARCH_ENTRY, &rs->sr_entry->e_name );
}
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER, "encoding DN error" );
rc = rs->sr_err;
goto error_return;
}
/* check for special all user attributes ("*") type */
userattrs = SLAP_USERATTRS( rs->sr_attr_flags );
/* create an array of arrays of flags. Each flag corresponds
* to particular value of attribute and equals 1 if value matches
* to ValuesReturnFilter or 0 if not
*/
if ( op->o_vrFilter != NULL ) {
int k = 0;
size_t size;
for ( a = rs->sr_entry->e_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
}
size = i * sizeof(char *) + k;
if ( size > 0 ) {
char *a_flags;
e_flags = slap_sl_calloc ( 1, i * sizeof(char *) + k, op->o_tmpmemctx );
if( e_flags == NULL ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu slap_sl_calloc failed\n",
op->o_connid );
ber_free( ber, 1 );
set_ldap_error( rs, LDAP_OTHER, "out of memory" );
goto error_return;
}
a_flags = (char *)(e_flags + i);
memset( a_flags, 0, k );
for ( a=rs->sr_entry->e_attrs, i=0; a != NULL; a=a->a_next, i++ ) {
for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
e_flags[i] = a_flags;
a_flags += j;
}
rc = filter_matched_values(op, rs->sr_entry->e_attrs, &e_flags) ;
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY, "send_search_entry: "
"conn %lu matched values filtering failed\n",
op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER,
"matched values filtering error" );
rc = rs->sr_err;
goto error_return;
}
}
}
for ( a = rs->sr_entry->e_attrs, j = 0; a != NULL; a = a->a_next, j++ ) {
AttributeDescription *desc = a->a_desc;
int finish = 0;
if ( rs->sr_attrs == NULL ) {
/* all user attrs request, skip operational attributes */
if( is_at_operational( desc->ad_type ) ) {
continue;
}
} else {
/* specific attrs requested */
if ( is_at_operational( desc->ad_type ) ) {
/* if not explicitly requested */
if ( !ad_inlist( desc, rs->sr_attrs )) {
/* if not all op attrs requested, skip */
if ( !SLAP_OPATTRS( rs->sr_attr_flags ))
continue;
/* if DSA-specific and replicating, skip */
if ( op->o_sync != SLAP_CONTROL_NONE &&
desc->ad_type->sat_usage == LDAP_SCHEMA_DSA_OPERATION )
continue;
}
} else {
if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
continue;
}
}
}
if ( attrsonly ) {
if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
ACL_READ, &acl_state ) )
{
Debug( LDAP_DEBUG_ACL, "send_search_entry: "
"conn %lu access to attribute %s not allowed\n",
op->o_connid, desc->ad_cname.bv_val );
continue;
}
if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER,
"encoding description error");
rc = rs->sr_err;
goto error_return;
}
finish = 1;
} else {
int first = 1;
for ( i = 0; a->a_nvals[i].bv_val != NULL; i++ ) {
if ( ! access_allowed( op, rs->sr_entry,
desc, &a->a_nvals[i], ACL_READ, &acl_state ) )
{
Debug( LDAP_DEBUG_ACL,
"send_search_entry: conn %lu "
"access to attribute %s, value #%d not allowed\n",
op->o_connid, desc->ad_cname.bv_val, i );
continue;
}
if ( op->o_vrFilter && e_flags[j][i] == 0 ){
continue;
}
if ( first ) {
first = 0;
finish = 1;
if (( rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER,
"encoding description error");
rc = rs->sr_err;
goto error_return;
}
}
if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu "
"ber_printf failed.\n", op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER,
"encoding values error" );
rc = rs->sr_err;
goto error_return;
}
}
}
if ( finish && ( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER, "encode end error" );
rc = rs->sr_err;
goto error_return;
}
}
/* NOTE: moved before overlays callback circling because
* they may modify entry and other stuff in rs */
if ( rs->sr_operational_attrs != NULL && op->o_vrFilter != NULL ) {
int k = 0;
size_t size;
for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
for ( j = 0; a->a_vals[j].bv_val != NULL; j++ ) k++;
}
size = i * sizeof(char *) + k;
if ( size > 0 ) {
char *a_flags, **tmp;
/*
* Reuse previous memory - we likely need less space
* for operational attributes
*/
tmp = slap_sl_realloc( e_flags, i * sizeof(char *) + k,
op->o_tmpmemctx );
if ( tmp == NULL ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu "
"not enough memory "
"for matched values filtering\n",
op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER,
"not enough memory for matched values filtering" );
goto error_return;
}
e_flags = tmp;
a_flags = (char *)(e_flags + i);
memset( a_flags, 0, k );
for ( a = rs->sr_operational_attrs, i=0; a != NULL; a = a->a_next, i++ ) {
for ( j = 0; a->a_vals[j].bv_val != NULL; j++ );
e_flags[i] = a_flags;
a_flags += j;
}
rc = filter_matched_values(op, rs->sr_operational_attrs, &e_flags) ;
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu "
"matched values filtering failed\n",
op->o_connid);
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER,
"matched values filtering error" );
rc = rs->sr_err;
goto error_return;
}
}
}
for (a = rs->sr_operational_attrs, j=0; a != NULL; a = a->a_next, j++ ) {
AttributeDescription *desc = a->a_desc;
if ( rs->sr_attrs == NULL ) {
/* all user attrs request, skip operational attributes */
if( is_at_operational( desc->ad_type ) ) {
continue;
}
} else {
/* specific attrs requested */
if( is_at_operational( desc->ad_type ) ) {
if ( !SLAP_OPATTRS( rs->sr_attr_flags ) &&
!ad_inlist( desc, rs->sr_attrs ) )
{
continue;
}
/* if DSA-specific and replicating, skip */
if ( op->o_sync != SLAP_CONTROL_NONE &&
desc->ad_type->sat_usage == LDAP_SCHEMA_DSA_OPERATION )
continue;
} else {
if ( !userattrs && !ad_inlist( desc, rs->sr_attrs ) ) {
continue;
}
}
}
if ( ! access_allowed( op, rs->sr_entry, desc, NULL,
ACL_READ, &acl_state ) )
{
Debug( LDAP_DEBUG_ACL,
"send_search_entry: conn %lu "
"access to attribute %s not allowed\n",
op->o_connid, desc->ad_cname.bv_val );
continue;
}
rc = ber_printf( ber, "{O[" /*]}*/ , &desc->ad_cname );
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu "
"ber_printf failed\n", op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER,
"encoding description error" );
rc = rs->sr_err;
goto error_return;
}
if ( ! attrsonly ) {
for ( i = 0; a->a_vals[i].bv_val != NULL; i++ ) {
if ( ! access_allowed( op, rs->sr_entry,
desc, &a->a_vals[i], ACL_READ, &acl_state ) )
{
Debug( LDAP_DEBUG_ACL,
"send_search_entry: conn %lu "
"access to %s, value %d not allowed\n",
op->o_connid, desc->ad_cname.bv_val, i );
continue;
}
if ( op->o_vrFilter && e_flags[j][i] == 0 ){
continue;
}
if (( rc = ber_printf( ber, "O", &a->a_vals[i] )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER,
"encoding values error" );
rc = rs->sr_err;
goto error_return;
}
}
}
if (( rc = ber_printf( ber, /*{[*/ "]N}" )) == -1 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu ber_printf failed\n",
op->o_connid );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER, "encode end error" );
rc = rs->sr_err;
goto error_return;
}
}
/* free e_flags */
if ( e_flags ) {
slap_sl_free( e_flags, op->o_tmpmemctx );
e_flags = NULL;
}
rc = ber_printf( ber, /*{{*/ "}N}" );
if( rc != -1 ) {
rc = send_ldap_controls( op, ber, rs->sr_ctrls );
}
if( rc != -1 ) {
#ifdef LDAP_CONNECTIONLESS
if( op->o_conn && op->o_conn->c_is_udp ) {
if ( op->o_protocol != LDAP_VERSION2 ) {
rc = ber_printf( ber, /*{*/ "N}" );
}
} else
#endif
if ( op->o_res_ber == NULL ) {
rc = ber_printf( ber, /*{*/ "N}" );
}
}
if ( rc == -1 ) {
Debug( LDAP_DEBUG_ANY, "ber_printf failed\n" );
if ( op->o_res_ber == NULL ) ber_free_buf( ber );
set_ldap_error( rs, LDAP_OTHER, "encode entry end error" );
rc = rs->sr_err;
goto error_return;
}
Statslog( LDAP_DEBUG_STATS2, "%s ENTRY dn=\"%s\"\n",
op->o_log_prefix, rs->sr_entry->e_nname.bv_val );
rs_flush_entry( op, rs, NULL );
if ( op->o_res_ber == NULL ) {
bytes = send_ldap_ber( op, ber );
ber_free_buf( ber );
if ( bytes < 0 ) {
Debug( LDAP_DEBUG_ANY,
"send_search_entry: conn %lu ber write failed.\n",
op->o_connid );
rc = LDAP_UNAVAILABLE;
goto error_return;
}
rs->sr_nentries++;
ldap_pvt_thread_mutex_lock( &op->o_counters->sc_mutex );
ldap_pvt_mp_add_ulong( op->o_counters->sc_bytes, (unsigned long)bytes );
ldap_pvt_mp_add_ulong( op->o_counters->sc_entries, 1 );
ldap_pvt_mp_add_ulong( op->o_counters->sc_pdu, 1 );
ldap_pvt_thread_mutex_unlock( &op->o_counters->sc_mutex );
}
Debug( LDAP_DEBUG_TRACE,
"<= send_search_entry: conn %lu exit.\n", op->o_connid );
rc = LDAP_SUCCESS;
error_return:;
if ( op->o_callback ) {
(void)slap_cleanup_play( op, rs );
}
if ( e_flags ) {
slap_sl_free( e_flags, op->o_tmpmemctx );
}
/* FIXME: Can break if rs now contains an extended response */
if ( rs->sr_operational_attrs ) {
attrs_free( rs->sr_operational_attrs );
rs->sr_operational_attrs = NULL;
}
rs->sr_attr_flags = SLAP_ATTRS_UNDEFINED;
if ( op->o_tag == LDAP_REQ_SEARCH && rs->sr_type == REP_SEARCH ) {
rs_flush_entry( op, rs, NULL );
} else {
RS_ASSERT( (rs->sr_flags & REP_ENTRY_MASK) == 0 );
}
if ( rs->sr_flags & REP_CTRLS_MUSTBEFREED ) {
rs->sr_flags ^= REP_CTRLS_MUSTBEFREED; /* paranoia */
if ( rs->sr_ctrls ) {
slap_free_ctrls( op, rs->sr_ctrls );
rs->sr_ctrls = NULL;
}
}
return( rc );
}