static int mit_samba_check_client_access(struct mit_samba_context *ctx,
hdb_entry_ex *client,
const char *client_name,
hdb_entry_ex *server,
const char *server_name,
const char *netbios_name,
bool password_change,
DATA_BLOB *e_data)
{
struct samba_kdc_entry *kdc_entry;
NTSTATUS nt_status;
kdc_entry = talloc_get_type(client->ctx, struct samba_kdc_entry);
nt_status = samba_kdc_check_client_access(kdc_entry,
client_name,
netbios_name,
password_change);
if (!NT_STATUS_IS_OK(nt_status)) {
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MEMORY)) {
return ENOMEM;
}
samba_kdc_build_edata_reply(nt_status, e_data);
return samba_kdc_map_policy_err(nt_status);
}
return 0;
}
static krb5_error_code samba_wdc_check_client_access(void *priv,
krb5_context context,
krb5_kdc_configuration *config,
hdb_entry_ex *client_ex, const char *client_name,
hdb_entry_ex *server_ex, const char *server_name,
KDC_REQ *req,
krb5_data *e_data)
{
struct samba_kdc_entry *kdc_entry;
bool password_change;
char *workstation;
NTSTATUS nt_status;
kdc_entry = talloc_get_type(client_ex->ctx, struct samba_kdc_entry);
password_change = (server_ex && server_ex->entry.flags.change_pw);
workstation = get_netbios_name((TALLOC_CTX *)client_ex->ctx,
req->req_body.addresses);
nt_status = samba_kdc_check_client_access(kdc_entry,
client_name,
workstation,
password_change);
if (!NT_STATUS_IS_OK(nt_status)) {
if (NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MEMORY)) {
return ENOMEM;
}
if (e_data) {
DATA_BLOB data;
samba_kdc_build_edata_reply(nt_status, &data);
*e_data = fill_krb5_data(data.data, data.length);
}
return samba_kdc_map_policy_err(nt_status);
}
/* Now do the standard Heimdal check */
return kdc_check_flags(context, config,
client_ex, client_name,
server_ex, server_name,
req->msg_type == krb_as_req);
}