Slapi_DN *slapi_sdn_new( void )
{
Slapi_DN *sdn;
sdn = (Slapi_DN *)slapi_ch_malloc( sizeof(*sdn ));
slapi_sdn_init( sdn );
return sdn;
}
/*
* snmp_update_cache_stats()
*
* Reads the backend cache stats from the backend monitor entry and
* updates the global counter used by the SNMP sub-agent as well as
* the SNMP monitor entry.
*/
static void
snmp_update_cache_stats(void)
{
Slapi_Backend *be, *be_next;
char *cookie = NULL;
Slapi_PBlock *search_result_pb = NULL;
Slapi_Entry **search_entries;
int search_result;
/* set the cache hits/cache entries info */
be = slapi_get_first_backend(&cookie);
if (!be){
slapi_ch_free ((void **) &cookie);
return;
}
be_next = slapi_get_next_backend(cookie);
slapi_ch_free ((void **) &cookie);
/* for now, only do it if there is only 1 backend, otherwise don't know
* which backend to pick */
if(be_next == NULL)
{
Slapi_DN monitordn;
slapi_sdn_init(&monitordn);
be_getmonitordn(be,&monitordn);
/* do a search on the monitor dn to get info */
search_result_pb = slapi_search_internal( slapi_sdn_get_dn(&monitordn),
LDAP_SCOPE_BASE,
"objectclass=*",
NULL,
NULL,
0);
slapi_sdn_done(&monitordn);
slapi_pblock_get( search_result_pb, SLAPI_PLUGIN_INTOP_RESULT, &search_result);
if(search_result == 0)
{
slapi_pblock_get( search_result_pb,SLAPI_PLUGIN_INTOP_SEARCH_ENTRIES,
&search_entries);
/* set the entrycachehits */
slapi_counter_set_value(g_get_global_snmp_vars()->entries_tbl.dsCacheHits,
slapi_entry_attr_get_ulonglong(search_entries[0], "entrycachehits"));
/* set the currententrycachesize */
slapi_counter_set_value(g_get_global_snmp_vars()->entries_tbl.dsCacheEntries,
slapi_entry_attr_get_ulonglong(search_entries[0], "currententrycachesize"));
}
slapi_free_search_results_internal(search_result_pb);
slapi_pblock_destroy(search_result_pb);
}
}
int slapi_sdn_isparent( const Slapi_DN *parent, const Slapi_DN *child )
{
Slapi_DN child_parent;
slapi_sdn_get_ndn( child );
slapi_sdn_init( &child_parent );
dnParent( (struct berval *)&child->ndn, &child_parent.ndn );
return ( slapi_sdn_compare( parent, &child_parent ) == 0 );
}
void slapi_sdn_done( Slapi_DN *sdn )
{
if ( sdn == NULL )
return;
if ( sdn->flag & FLAG_DN ) {
slapi_ch_free_string( &sdn->dn.bv_val );
}
if ( sdn->flag & FLAG_NDN ) {
slapi_ch_free_string( &sdn->ndn.bv_val );
}
slapi_sdn_init( sdn );
}
int slapi_sdn_isgrandparent( const Slapi_DN *parent, const Slapi_DN *child )
{
Slapi_DN child_grandparent;
slapi_sdn_get_ndn( child );
slapi_sdn_init( &child_grandparent );
dnParent( (struct berval *)&child->ndn, &child_grandparent.ndn );
if ( child_grandparent.ndn.bv_len == 0 ) {
return 0;
}
dnParent( &child_grandparent.ndn, &child_grandparent.ndn );
return ( slapi_sdn_compare( parent, &child_grandparent ) == 0 );
}
void
do_compare( Slapi_PBlock *pb )
{
BerElement *ber = pb->pb_op->o_ber;
char *rawdn = NULL;
const char *dn = NULL;
struct ava ava = {0};
Slapi_Backend *be = NULL;
int err;
Slapi_DN sdn;
Slapi_Entry *referral = NULL;
char errorbuf[SLAPI_DSE_RETURNTEXT_SIZE];
slapi_log_err(SLAPI_LOG_TRACE, "do_compare", "=>\n");
/* count the compare request */
slapi_counter_increment(g_get_global_snmp_vars()->ops_tbl.dsCompareOps);
/* have to init this here so we can "done" it below if we short circuit */
slapi_sdn_init(&sdn);
/*
* Parse the compare request. It looks like this:
*
* CompareRequest := [APPLICATION 14] SEQUENCE {
* entry DistinguishedName,
* ava SEQUENCE {
* type AttributeType,
* value AttributeValue
* }
* }
*/
if ( ber_scanf( ber, "{a{ao}}", &rawdn, &ava.ava_type,
&ava.ava_value ) == LBER_ERROR ) {
slapi_log_err(SLAPI_LOG_ERR,
"do_compare", "ber_scanf failed (op=Compare; params=DN,Type,Value)\n");
send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL, NULL, 0,
NULL );
goto free_and_return;
}
/* Check if we should be performing strict validation. */
if (config_get_dn_validate_strict()) {
/* check that the dn is formatted correctly */
err = slapi_dn_syntax_check(pb, rawdn, 1);
if (err) { /* syntax check failed */
op_shared_log_error_access(pb, "CMP",
rawdn?rawdn:"", "strict: invalid dn");
send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX,
NULL, "invalid dn", 0, NULL);
slapi_ch_free((void **) &rawdn);
return;
}
}
slapi_sdn_init_dn_passin(&sdn, rawdn);
dn = slapi_sdn_get_dn(&sdn);
if (rawdn && (strlen(rawdn) > 0) && (NULL == dn)) {
/* normalization failed */
op_shared_log_error_access(pb, "CMP", rawdn, "invalid dn");
send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX, NULL,
"invalid dn", 0, NULL);
slapi_sdn_done(&sdn);
return;
}
/*
* in LDAPv3 there can be optional control extensions on
* the end of an LDAPMessage. we need to read them in and
* pass them to the backend.
*/
if ( (err = get_ldapmessage_controls( pb, ber, NULL )) != 0 ) {
send_ldap_result( pb, err, NULL, NULL, 0, NULL );
goto free_and_return;
}
/* target spec is used to decide which plugins are applicable for the operation */
operation_set_target_spec (pb->pb_op, &sdn);
slapi_log_err(SLAPI_LOG_ARGS, "do_compare: dn (%s) attr (%s)\n",
rawdn, ava.ava_type, 0 );
slapi_log_access( LDAP_DEBUG_STATS,
"conn=%" NSPRIu64 " op=%d CMP dn=\"%s\" attr=\"%s\"\n",
pb->pb_conn->c_connid, pb->pb_op->o_opid, dn, ava.ava_type );
/*
* We could be serving multiple database backends. Select the
* appropriate one.
*/
if ((err = slapi_mapping_tree_select(pb, &be, &referral, errorbuf, sizeof(errorbuf))) != LDAP_SUCCESS) {
send_ldap_result(pb, err, NULL, errorbuf, 0, NULL);
be = NULL;
goto free_and_return;
}
if (referral)
{
int managedsait;
slapi_pblock_get(pb, SLAPI_MANAGEDSAIT, &managedsait);
if (managedsait)
{
send_ldap_result(pb, LDAP_UNWILLING_TO_PERFORM, NULL,
"cannot compare referral", 0, NULL);
slapi_entry_free(referral);
goto free_and_return;
}
send_referrals_from_entry(pb,referral);
slapi_entry_free(referral);
goto free_and_return;
}
if ( be->be_compare != NULL ) {
int isroot;
slapi_pblock_set( pb, SLAPI_BACKEND, be );
isroot = pb->pb_op->o_isroot;
slapi_pblock_set( pb, SLAPI_REQUESTOR_ISROOT, &isroot );
/* EXCEPTION: compare target does not allocate memory. */
/* target never be modified by plugins. */
slapi_pblock_set( pb, SLAPI_COMPARE_TARGET_SDN, (void*)&sdn );
slapi_pblock_set( pb, SLAPI_COMPARE_TYPE, ava.ava_type);
slapi_pblock_set( pb, SLAPI_COMPARE_VALUE, &ava.ava_value );
/*
* call the pre-compare plugins. if they succeed, call
* the backend compare function. then call the
* post-compare plugins.
*/
if ( plugin_call_plugins( pb,
SLAPI_PLUGIN_PRE_COMPARE_FN ) == 0 ) {
int rc;
slapi_pblock_set( pb, SLAPI_PLUGIN, be->be_database );
set_db_default_result_handlers(pb);
rc = (*be->be_compare)( pb );
slapi_pblock_set( pb, SLAPI_PLUGIN_OPRETURN, &rc );
plugin_call_plugins( pb, SLAPI_PLUGIN_POST_COMPARE_FN );
}
} else {
send_ldap_result( pb, LDAP_UNWILLING_TO_PERFORM, NULL,
"Function not implemented", 0, NULL );
}
free_and_return:;
if (be)
slapi_be_Unlock(be);
slapi_sdn_done(&sdn);
ava_done( &ava );
}
/* This function is called to process operation that come over external connections */
void
do_modrdn( Slapi_PBlock *pb )
{
Slapi_Operation *operation;
BerElement *ber;
char *rawdn = NULL, *rawnewsuperior = NULL;
const char *dn = NULL, *newsuperior = NULL;
char *newrdn = NULL;
int err = 0, deloldrdn = 0;
ber_len_t len = 0;
char *newdn = NULL;
char *parent = NULL;
Slapi_DN sdn;
Slapi_DN snewdn;
Slapi_DN *snewsuperior = NULL;
LDAPDebug( LDAP_DEBUG_TRACE, "do_modrdn\n", 0, 0, 0 );
/* count the modrdn request */
slapi_counter_increment(g_get_global_snmp_vars()->ops_tbl.dsModifyRDNOps);
slapi_pblock_get( pb, SLAPI_OPERATION, &operation);
ber = operation->o_ber;
slapi_sdn_init(&sdn);
slapi_sdn_init(&snewdn);
/*
* Parse the modrdn request. It looks like this:
*
* ModifyRDNRequest := SEQUENCE {
* entry DistinguishedName,
* newrdn RelativeDistinguishedName,
* deleteoldrdn BOOLEAN,
* newSuperior [0] LDAPDN OPTIONAL -- v3 only
* }
*/
if (ber_scanf(ber, "{aab", &rawdn, &newrdn, &deloldrdn) == LBER_ERROR) {
LDAPDebug( LDAP_DEBUG_ANY,
"ber_scanf failed (op=ModRDN; params=DN,newRDN,deleteOldRDN)\n",
0, 0, 0 );
op_shared_log_error_access (pb, "MODRDN", "???", "decoding error");
send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL,
"unable to decode DN, newRDN, or deleteOldRDN parameters",
0, NULL );
goto free_and_return;
}
if ( ber_peek_tag( ber, &len ) == LDAP_TAG_NEWSUPERIOR ) {
/* This "len" is not used... */
if ( pb->pb_conn->c_ldapversion < LDAP_VERSION3 ) {
LDAPDebug( LDAP_DEBUG_ANY,
"got newSuperior in LDAPv2 modrdn op\n", 0, 0, 0 );
op_shared_log_error_access (pb, "MODRDN",
rawdn?rawdn:"", "decoding error");
send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL,
"received newSuperior in LDAPv2 modrdn", 0, NULL );
slapi_ch_free_string( &rawdn );
slapi_ch_free_string( &newrdn );
goto free_and_return;
}
if ( ber_scanf( ber, "a", &rawnewsuperior ) == LBER_ERROR ) {
LDAPDebug( LDAP_DEBUG_ANY,
"ber_scanf failed (op=ModRDN; params=newSuperior)\n",
0, 0, 0 );
op_shared_log_error_access (pb, "MODRDN", rawdn, "decoding error");
send_ldap_result( pb, LDAP_PROTOCOL_ERROR, NULL,
"unable to decode newSuperior parameter", 0, NULL );
slapi_ch_free_string( &rawdn );
slapi_ch_free_string( &newrdn );
goto free_and_return;
}
}
/* Check if we should be performing strict validation. */
if (config_get_dn_validate_strict()) {
/* check that the dn is formatted correctly */
err = slapi_dn_syntax_check(pb, rawdn, 1);
if (err) { /* syntax check failed */
op_shared_log_error_access(pb, "MODRDN", rawdn?rawdn:"",
"strict: invalid dn");
send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX,
NULL, "invalid dn", 0, NULL);
slapi_ch_free_string( &rawdn );
slapi_ch_free_string( &newrdn );
slapi_ch_free_string( &rawnewsuperior );
goto free_and_return;
}
/* check that the new rdn is formatted correctly */
err = slapi_dn_syntax_check(pb, newrdn, 1);
if (err) { /* syntax check failed */
op_shared_log_error_access(pb, "MODRDN", newrdn?newrdn:"",
"strict: invalid new rdn");
send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX,
NULL, "invalid new rdn", 0, NULL);
slapi_ch_free_string( &rawdn );
slapi_ch_free_string( &newrdn );
slapi_ch_free_string( &rawnewsuperior );
goto free_and_return;
}
}
slapi_sdn_init_dn_passin(&sdn, rawdn);
dn = slapi_sdn_get_dn(&sdn);
if (rawdn && (strlen(rawdn) > 0) && (NULL == dn)) {
/* normalization failed */
op_shared_log_error_access(pb, "MODRDN", rawdn, "invalid dn");
send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX, NULL,
"invalid dn", 0, NULL);
slapi_ch_free_string( &newrdn );
slapi_ch_free_string( &rawnewsuperior );
goto free_and_return;
}
if (rawnewsuperior) {
if (config_get_dn_validate_strict()) {
/* check that the dn is formatted correctly */
err = slapi_dn_syntax_check(pb, rawnewsuperior, 1);
if (err) { /* syntax check failed */
op_shared_log_error_access(pb, "MODRDN", rawnewsuperior,
"strict: invalid new superior");
send_ldap_result(pb, LDAP_INVALID_DN_SYNTAX,
NULL, "invalid new superior", 0, NULL);
slapi_ch_free_string( &rawnewsuperior );
goto free_and_return;
}
}
snewsuperior = slapi_sdn_new_dn_passin(rawnewsuperior);
newsuperior = slapi_sdn_get_dn(snewsuperior);
}
/*
* If newsuperior is myself or my descendent, the modrdn should fail.
* Note: need to check the case newrdn is given, and newsuperior
* uses the newrdn, as well.
*/
parent = slapi_dn_parent(slapi_sdn_get_ndn(&sdn));
newdn = slapi_ch_smprintf("%s,%s", newrdn, parent);
/* slapi_sdn_init_normdn_passin expects normalized but NOT
* decapitalized dn */
slapi_sdn_init_dn_passin(&snewdn, newdn);
if (0 == slapi_sdn_compare(&sdn, snewsuperior) ||
0 == slapi_sdn_compare(&snewdn, snewsuperior)) {
op_shared_log_error_access(pb, "MODRDN", newsuperior,
"new superior is identical to the entry dn");
send_ldap_result(pb, LDAP_UNWILLING_TO_PERFORM, NULL,
"new superior is identical to the entry dn", 0, NULL);
goto free_and_return;
}
if (slapi_sdn_issuffix(snewsuperior, &sdn) ||
slapi_sdn_issuffix(snewsuperior, &snewdn)) {
/* E.g.,
* newsuperior: ou=sub,ou=people,dc=example,dc=com
* dn: ou=people,dc=example,dc=com
*/
op_shared_log_error_access(pb, "MODRDN", newsuperior,
"new superior is descendent of the entry");
send_ldap_result(pb, LDAP_UNWILLING_TO_PERFORM, NULL,
"new superior is descendent of the entry", 0, NULL);
goto free_and_return;
}
/*
* in LDAPv3 there can be optional control extensions on
* the end of an LDAPMessage. we need to read them in and
* pass them to the backend.
*/
if ( (err = get_ldapmessage_controls( pb, ber, NULL )) != 0 ) {
op_shared_log_error_access (pb, "MODRDN", dn, "failed to decode LDAP controls");
send_ldap_result( pb, err, NULL, NULL, 0, NULL );
goto free_and_return;
}
LDAPDebug( LDAP_DEBUG_ARGS,
"do_modrdn: dn (%s) newrdn (%s) deloldrdn (%d)\n", dn, newrdn,
deloldrdn );
slapi_pblock_set( pb, SLAPI_REQUESTOR_ISROOT, &pb->pb_op->o_isroot );
/* dn, newrdn and newsuperior are all normalized */
slapi_pblock_set( pb, SLAPI_ORIGINAL_TARGET,
(void *)slapi_sdn_get_udn(&sdn) );
slapi_pblock_set( pb, SLAPI_MODRDN_TARGET_SDN, &sdn );
slapi_pblock_set( pb, SLAPI_MODRDN_NEWRDN, (void *)newrdn );
slapi_pblock_set( pb, SLAPI_MODRDN_NEWSUPERIOR_SDN, (void *)snewsuperior );
slapi_pblock_set( pb, SLAPI_MODRDN_DELOLDRDN, &deloldrdn );
op_shared_rename(pb, 0 /* do not pass in ownership of string arguments */ );
free_and_return:
slapi_sdn_done(&sdn);
slapi_ch_free_string(&newrdn);
slapi_sdn_free(&snewsuperior);
slapi_sdn_done(&snewdn);
slapi_ch_free_string(&parent);
return;
}
