static int
null_back_bind( Operation *op, SlapReply *rs )
{
struct null_info *ni = (struct null_info *) op->o_bd->be_private;
if ( ni->ni_bind_allowed || be_isroot_pw( op ) ) {
/* front end will send result on success (0) */
return LDAP_SUCCESS;
}
rs->sr_err = LDAP_INVALID_CREDENTIALS;
send_ldap_result( op, rs );
return rs->sr_err;
}
int
monitor_back_bind( Operation *op, SlapReply *rs )
{
Debug(LDAP_DEBUG_ARGS, "==> monitor_back_bind: dn: %s\n",
op->o_req_dn.bv_val, 0, 0 );
if ( be_isroot_pw( op ) ) {
return LDAP_SUCCESS;
}
rs->sr_err = LDAP_INVALID_CREDENTIALS;
send_ldap_result( op, rs );
return rs->sr_err;
}
static int
retcode_op_func( Operation *op, SlapReply *rs )
{
slap_overinst *on = (slap_overinst *)op->o_bd->bd_info;
retcode_t *rd = (retcode_t *)on->on_bi.bi_private;
retcode_item_t *rdi;
struct berval nrdn, npdn;
slap_callback *cb = NULL;
/* sleep as required */
retcode_sleep( rd->rd_sleep );
if ( !dnIsSuffix( &op->o_req_ndn, &rd->rd_npdn ) ) {
if ( RETCODE_INDIR( rd ) ) {
switch ( op->o_tag ) {
case LDAP_REQ_ADD:
return retcode_op_add( op, rs );
case LDAP_REQ_BIND:
/* skip if rootdn */
/* FIXME: better give the db a chance? */
if ( be_isroot_pw( op ) ) {
return LDAP_SUCCESS;
}
return retcode_op_internal( op, rs );
case LDAP_REQ_SEARCH:
if ( op->ors_scope == LDAP_SCOPE_BASE ) {
rs->sr_err = retcode_op_internal( op, rs );
switch ( rs->sr_err ) {
case SLAP_CB_CONTINUE:
if ( rs->sr_nentries == 0 ) {
break;
}
rs->sr_err = LDAP_SUCCESS;
/* fallthru */
default:
send_ldap_result( op, rs );
break;
}
return rs->sr_err;
}
break;
case LDAP_REQ_MODIFY:
case LDAP_REQ_DELETE:
case LDAP_REQ_MODRDN:
case LDAP_REQ_COMPARE:
return retcode_op_internal( op, rs );
}
}
return SLAP_CB_CONTINUE;
}
if ( op->o_tag == LDAP_REQ_SEARCH
&& op->ors_scope != LDAP_SCOPE_BASE
&& op->o_req_ndn.bv_len == rd->rd_npdn.bv_len )
{
return retcode_send_onelevel( op, rs );
}
dnParent( &op->o_req_ndn, &npdn );
if ( npdn.bv_len != rd->rd_npdn.bv_len ) {
rs->sr_err = LDAP_NO_SUCH_OBJECT;
rs->sr_matched = rd->rd_pdn.bv_val;
send_ldap_result( op, rs );
rs->sr_matched = NULL;
return rs->sr_err;
}
dnRdn( &op->o_req_ndn, &nrdn );
for ( rdi = rd->rd_item; rdi != NULL; rdi = rdi->rdi_next ) {
struct berval rdi_nrdn;
dnRdn( &rdi->rdi_ndn, &rdi_nrdn );
if ( dn_match( &nrdn, &rdi_nrdn ) ) {
break;
}
}
if ( rdi != NULL && rdi->rdi_mask != SN_DG_OP_ALL ) {
retcode_op_e o_tag = SN_DG_OP_NONE;
switch ( op->o_tag ) {
case LDAP_REQ_ADD:
o_tag = SN_DG_OP_ADD;
break;
case LDAP_REQ_BIND:
o_tag = SN_DG_OP_BIND;
break;
case LDAP_REQ_COMPARE:
o_tag = SN_DG_OP_COMPARE;
break;
case LDAP_REQ_DELETE:
o_tag = SN_DG_OP_DELETE;
break;
case LDAP_REQ_MODIFY:
o_tag = SN_DG_OP_MODIFY;
break;
case LDAP_REQ_MODRDN:
o_tag = SN_DG_OP_RENAME;
break;
case LDAP_REQ_SEARCH:
o_tag = SN_DG_OP_SEARCH;
break;
case LDAP_REQ_EXTENDED:
o_tag = SN_DG_EXTENDED;
break;
default:
/* Should not happen */
break;
}
if ( !( o_tag & rdi->rdi_mask ) ) {
return SLAP_CB_CONTINUE;
}
}
if ( rdi == NULL ) {
rs->sr_matched = rd->rd_pdn.bv_val;
rs->sr_err = LDAP_NO_SUCH_OBJECT;
rs->sr_text = "retcode not found";
} else {
if ( rdi->rdi_flags & RDI_PRE_DISCONNECT ) {
return rs->sr_err = SLAPD_DISCONNECT;
}
rs->sr_err = rdi->rdi_err;
rs->sr_text = rdi->rdi_text.bv_val;
rs->sr_matched = rdi->rdi_matched.bv_val;
/* FIXME: we only honor the rdi_ref field in case rdi_err
* is LDAP_REFERRAL otherwise send_ldap_result() bails out */
if ( rs->sr_err == LDAP_REFERRAL ) {
BerVarray ref;
if ( rdi->rdi_ref != NULL ) {
ref = rdi->rdi_ref;
} else {
ref = default_referral;
}
if ( ref != NULL ) {
rs->sr_ref = referral_rewrite( ref,
NULL, &op->o_req_dn, LDAP_SCOPE_DEFAULT );
} else {
rs->sr_err = LDAP_OTHER;
rs->sr_text = "bad referral object";
}
}
retcode_sleep( rdi->rdi_sleeptime );
}
switch ( op->o_tag ) {
case LDAP_REQ_EXTENDED:
if ( rdi == NULL ) {
break;
}
cb = ( slap_callback * )ch_malloc( sizeof( slap_callback ) );
memset( cb, 0, sizeof( slap_callback ) );
cb->sc_cleanup = retcode_cleanup_cb;
op->o_callback = cb;
break;
default:
if ( rdi && !BER_BVISNULL( &rdi->rdi_unsolicited_oid ) ) {
ber_int_t msgid = op->o_msgid;
/* RFC 4511 unsolicited response */
op->o_msgid = 0;
if ( strcmp( rdi->rdi_unsolicited_oid.bv_val, "0" ) == 0 ) {
send_ldap_result( op, rs );
} else {
ber_tag_t tag = op->o_tag;
op->o_tag = LDAP_REQ_EXTENDED;
rs->sr_rspoid = rdi->rdi_unsolicited_oid.bv_val;
if ( !BER_BVISNULL( &rdi->rdi_unsolicited_data ) ) {
rs->sr_rspdata = &rdi->rdi_unsolicited_data;
}
send_ldap_extended( op, rs );
rs->sr_rspoid = NULL;
rs->sr_rspdata = NULL;
op->o_tag = tag;
}
op->o_msgid = msgid;
} else {
send_ldap_result( op, rs );
}
if ( rs->sr_ref != NULL ) {
ber_bvarray_free( rs->sr_ref );
rs->sr_ref = NULL;
}
rs->sr_matched = NULL;
rs->sr_text = NULL;
if ( rdi && rdi->rdi_flags & RDI_POST_DISCONNECT ) {
return rs->sr_err = SLAPD_DISCONNECT;
}
break;
}
return rs->sr_err;
}
int
ldbm_back_bind(
Backend *be,
Connection *conn,
Operation *op,
struct berval *dn,
struct berval *ndn,
int method,
struct berval *cred,
struct berval *edn
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
Entry *e;
Attribute *a;
int rc;
Entry *matched;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
char krbname[MAX_K_NAME_SZ + 1];
AttributeDescription *krbattr = slap_schema.si_ad_krbName;
AUTH_DAT ad;
#endif
AttributeDescription *password = slap_schema.si_ad_userPassword;
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, ENTRY,
"ldbm_back_bind: dn: %s.\n", dn->bv_val, 0, 0 );
#else
Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_bind: dn: %s\n", dn->bv_val, 0, 0);
#endif
dn = ndn;
/* grab giant lock for reading */
ldap_pvt_thread_rdwr_rlock(&li->li_giant_rwlock);
/* get entry with reader lock */
if ( (e = dn2entry_r( be, dn, &matched )) == NULL ) {
char *matched_dn = NULL;
BerVarray refs = NULL;
if( matched != NULL ) {
matched_dn = ch_strdup( matched->e_dn );
refs = is_entry_referral( matched )
? get_entry_referrals( be, conn, op, matched )
: NULL;
cache_return_entry_r( &li->li_cache, matched );
} else {
refs = referral_rewrite( default_referral,
NULL, dn, LDAP_SCOPE_DEFAULT );
}
ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
/* allow noauth binds */
rc = 1;
if ( method == LDAP_AUTH_SIMPLE ) {
if ( be_isroot_pw( be, conn, dn, cred ) ) {
ber_dupbv( edn, be_root_dn( be ) );
rc = 0; /* front end will send result */
} else if ( refs != NULL ) {
send_ldap_result( conn, op, LDAP_REFERRAL,
matched_dn, NULL, refs, NULL );
} else {
send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
NULL, NULL, NULL, NULL );
}
} else if ( refs != NULL ) {
send_ldap_result( conn, op, LDAP_REFERRAL,
matched_dn, NULL, refs, NULL );
} else {
send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
NULL, NULL, NULL, NULL );
}
if ( refs ) ber_bvarray_free( refs );
if ( matched_dn ) free( matched_dn );
return( rc );
}
ber_dupbv( edn, &e->e_name );
/* check for deleted */
if ( is_entry_alias( e ) ) {
/* entry is an alias, don't allow bind */
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, INFO,
"ldbm_back_bind: entry (%s) is an alias.\n", e->e_dn, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
0, 0 );
#endif
send_ldap_result( conn, op, LDAP_ALIAS_PROBLEM,
NULL, "entry is alias", NULL, NULL );
rc = 1;
goto return_results;
}
if ( is_entry_referral( e ) ) {
/* entry is a referral, don't allow bind */
BerVarray refs = get_entry_referrals( be,
conn, op, e );
#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, INFO,
"ldbm_back_bind: entry(%s) is a referral.\n", e->e_dn, 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
0, 0 );
#endif
if( refs != NULL ) {
send_ldap_result( conn, op, LDAP_REFERRAL,
e->e_dn, NULL, refs, NULL );
} else {
send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
NULL, NULL, NULL, NULL );
}
ber_bvarray_free( refs );
rc = 1;
goto return_results;
}
switch ( method ) {
case LDAP_AUTH_SIMPLE:
/* check for root dn/passwd */
if ( be_isroot_pw( be, conn, dn, cred ) ) {
/* front end will send result */
if(edn->bv_val != NULL) free( edn->bv_val );
ber_dupbv( edn, be_root_dn( be ) );
rc = 0;
goto return_results;
}
if ( ! access_allowed( be, conn, op, e,
password, NULL, ACL_AUTH, NULL ) )
{
send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
NULL, NULL, NULL, NULL );
rc = 1;
goto return_results;
}
if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH,
NULL, NULL, NULL, NULL );
/* stop front end from sending result */
rc = 1;
goto return_results;
}
if ( slap_passwd_check( conn, a, cred ) != 0 ) {
send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
NULL, NULL, NULL, NULL );
/* stop front end from sending result */
rc = 1;
goto return_results;
}
rc = 0;
break;
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
case LDAP_AUTH_KRBV41:
if ( krbv4_ldap_auth( be, cred, &ad ) != LDAP_SUCCESS ) {
send_ldap_result( conn, op, LDAP_INVALID_CREDENTIALS,
NULL, NULL, NULL, NULL );
rc = 1;
goto return_results;
}
if ( ! access_allowed( be, conn, op, e,
krbattr, NULL, ACL_AUTH, NULL ) )
{
send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
NULL, NULL, NULL, NULL );
rc = 1;
goto return_results;
}
sprintf( krbname, "%s%s%s@%s", ad.pname, *ad.pinst ? "."
: "", ad.pinst, ad.prealm );
if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) {
/*
* no krbname values present: check against DN
*/
if ( strcasecmp( dn->bv_val, krbname ) == 0 ) {
rc = 0;
break;
}
send_ldap_result( conn, op, LDAP_INAPPROPRIATE_AUTH,
NULL, NULL, NULL, NULL );
rc = 1;
goto return_results;
} else { /* look for krbname match */
struct berval krbval;
krbval.bv_val = krbname;
krbval.bv_len = strlen( krbname );
if ( value_find( a->a_desc, a->a_vals, &krbval ) != 0 ) {
send_ldap_result( conn, op,
LDAP_INVALID_CREDENTIALS,
NULL, NULL, NULL, NULL );
rc = 1;
goto return_results;
}
}
rc = 0;
break;
case LDAP_AUTH_KRBV42:
send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
NULL, "Kerberos bind step 2 not supported",
NULL, NULL );
/* stop front end from sending result */
rc = LDAP_UNWILLING_TO_PERFORM;
goto return_results;
#endif
default:
send_ldap_result( conn, op, LDAP_STRONG_AUTH_NOT_SUPPORTED,
NULL, "authentication method not supported", NULL, NULL );
rc = 1;
goto return_results;
}
return_results:;
/* free entry and reader lock */
cache_return_entry_r( &li->li_cache, e );
ldap_pvt_thread_rdwr_runlock(&li->li_giant_rwlock);
/* front end will send result on success (rc==0) */
return( rc );
}
