#include "auth/credentials/credentials.h"
#include "auth/gensec/gensec.h"
#include "auth/gensec/gensec_proto.h"
-#include "auth/gensec/schannel.h"
+#include "../libcli/auth/schannel.h"
#include "librpc/rpc/dcerpc.h"
#include "param/param.h"
-#include "auth/session_proto.h"
static size_t schannel_sig_size(struct gensec_security *gensec_security, size_t data_size)
{
struct schannel_state *state = (struct schannel_state *)gensec_security->private_data;
NTSTATUS status;
enum ndr_err_code ndr_err;
- struct schannel_bind bind_schannel;
- struct schannel_bind_ack bind_schannel_ack;
+ struct NL_AUTH_MESSAGE bind_schannel;
+ struct NL_AUTH_MESSAGE bind_schannel_ack;
struct netlogon_creds_CredentialState *creds;
- struct ldb_context *schannel_ldb;
const char *workstation;
const char *domain;
+ uint32_t required_flags;
+
*out = data_blob(NULL, 0);
switch (gensec_security->gensec_role) {
state->creds = talloc_reference(state, cli_credentials_get_netlogon_creds(gensec_security->credentials));
- bind_schannel.unknown1 = 0;
+ bind_schannel.MessageType = NL_NEGOTIATE_REQUEST;
#if 0
/* to support this we'd need to have access to the full domain name */
- bind_schannel.bind_type = 23;
- bind_schannel.u.info23.domain = cli_credentials_get_domain(gensec_security->credentials);
- bind_schannel.u.info23.workstation = cli_credentials_get_workstation(gensec_security->credentials);
- bind_schannel.u.info23.dnsdomain = cli_credentials_get_realm(gensec_security->credentials);
+ /* 0x17, 23 */
+ bind_schannel.Flags = NL_FLAG_OEM_NETBIOS_DOMAIN_NAME |
+ NL_FLAG_OEM_NETBIOS_COMPUTER_NAME |
+ NL_FLAG_UTF8_DNS_DOMAIN_NAME |
+ NL_FLAG_UTF8_NETBIOS_COMPUTER_NAME;
+ bind_schannel.oem_netbios_domain.a = cli_credentials_get_domain(gensec_security->credentials);
+ bind_schannel.oem_netbios_computer.a = cli_credentials_get_workstation(gensec_security->credentials);
+ bind_schannel.utf8_dns_domain = cli_credentials_get_realm(gensec_security->credentials);
/* w2k3 refuses us if we use the full DNS workstation?
why? perhaps because we don't fill in the dNSHostName
attribute in the machine account? */
- bind_schannel.u.info23.dnsworkstation = cli_credentials_get_workstation(gensec_security->credentials);
+ bind_schannel.utf8_netbios_computer = cli_credentials_get_workstation(gensec_security->credentials);
#else
- bind_schannel.bind_type = 3;
- bind_schannel.u.info3.domain = cli_credentials_get_domain(gensec_security->credentials);
- bind_schannel.u.info3.workstation = cli_credentials_get_workstation(gensec_security->credentials);
+ bind_schannel.Flags = NL_FLAG_OEM_NETBIOS_DOMAIN_NAME |
+ NL_FLAG_OEM_NETBIOS_COMPUTER_NAME;
+ bind_schannel.oem_netbios_domain.a = cli_credentials_get_domain(gensec_security->credentials);
+ bind_schannel.oem_netbios_computer.a = cli_credentials_get_workstation(gensec_security->credentials);
#endif
ndr_err = ndr_push_struct_blob(out, out_mem_ctx,
gensec_security->settings->iconv_convenience, &bind_schannel,
- (ndr_push_flags_fn_t)ndr_push_schannel_bind);
+ (ndr_push_flags_fn_t)ndr_push_NL_AUTH_MESSAGE);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(3, ("Could not create schannel bind: %s\n",
return NT_STATUS_MORE_PROCESSING_REQUIRED;
case GENSEC_SERVER:
+ required_flags = NL_FLAG_OEM_NETBIOS_COMPUTER_NAME |
+ NL_FLAG_OEM_NETBIOS_DOMAIN_NAME;
+
if (state->state != SCHANNEL_STATE_START) {
/* no third leg on this protocol */
return NT_STATUS_INVALID_PARAMETER;
ndr_err = ndr_pull_struct_blob(&in, out_mem_ctx,
gensec_security->settings->iconv_convenience,
&bind_schannel,
- (ndr_pull_flags_fn_t)ndr_pull_schannel_bind);
+ (ndr_pull_flags_fn_t)ndr_pull_NL_AUTH_MESSAGE);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(3, ("Could not parse incoming schannel bind: %s\n",
return status;
}
- if (bind_schannel.bind_type == 23) {
- workstation = bind_schannel.u.info23.workstation;
- domain = bind_schannel.u.info23.domain;
- } else {
- workstation = bind_schannel.u.info3.workstation;
- domain = bind_schannel.u.info3.domain;
+ if (!(required_flags == (bind_schannel.Flags & required_flags))) {
+ return NT_STATUS_INVALID_PARAMETER;
}
+ workstation = bind_schannel.oem_netbios_computer.a;
+ domain = bind_schannel.oem_netbios_domain.a;
+
if (strcasecmp_m(domain, lp_workgroup(gensec_security->settings->lp_ctx)) != 0) {
DEBUG(3, ("Request for schannel to incorrect domain: %s != our domain %s\n",
domain, lp_workgroup(gensec_security->settings->lp_ctx)));
return NT_STATUS_LOGON_FAILURE;
}
- schannel_ldb = schannel_db_connect(out_mem_ctx, gensec_security->event_ctx,
- gensec_security->settings->lp_ctx);
- if (!schannel_ldb) {
- return NT_STATUS_ACCESS_DENIED;
- }
- /* pull the session key for this client */
- status = schannel_fetch_session_key_ldb(schannel_ldb,
- out_mem_ctx, workstation, &creds);
- talloc_free(schannel_ldb);
+ status = schannel_get_creds_state(out_mem_ctx,
+ gensec_security->settings->iconv_convenience,
+ lp_private_dir(gensec_security->settings->lp_ctx),
+ workstation, &creds);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(3, ("Could not find session key for attempted schannel connection from %s: %s\n",
workstation, nt_errstr(status)));
return status;
}
- state->creds = talloc_reference(state, creds);
+ state->creds = talloc_steal(state, creds);
- bind_schannel_ack.unknown1 = 1;
- bind_schannel_ack.unknown2 = 0;
- bind_schannel_ack.unknown3 = 0x6c0000;
+ bind_schannel_ack.MessageType = NL_NEGOTIATE_RESPONSE;
+ bind_schannel_ack.Flags = 0;
+ bind_schannel_ack.Buffer.dummy = 0x6c0000; /* actually I think
+ * this does not have
+ * any meaning here
+ * - gd */
ndr_err = ndr_push_struct_blob(out, out_mem_ctx,
gensec_security->settings->iconv_convenience, &bind_schannel_ack,
- (ndr_push_flags_fn_t)ndr_push_schannel_bind_ack);
+ (ndr_push_flags_fn_t)ndr_push_NL_AUTH_MESSAGE);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
status = ndr_map_error2ntstatus(ndr_err);
DEBUG(3, ("Could not return schannel bind ack for client %s: %s\n",
return false;
}
+/*
+ unseal a packet
+*/
+static NTSTATUS schannel_unseal_packet(struct gensec_security *gensec_security,
+ TALLOC_CTX *mem_ctx,
+ uint8_t *data, size_t length,
+ const uint8_t *whole_pdu, size_t pdu_length,
+ const DATA_BLOB *sig)
+{
+ struct schannel_state *state =
+ talloc_get_type(gensec_security->private_data,
+ struct schannel_state);
+
+ return netsec_incoming_packet(state, mem_ctx, true,
+ discard_const_p(uint8_t, data),
+ length, sig);
+}
+
+/*
+ check the signature on a packet
+*/
+static NTSTATUS schannel_check_packet(struct gensec_security *gensec_security,
+ TALLOC_CTX *mem_ctx,
+ const uint8_t *data, size_t length,
+ const uint8_t *whole_pdu, size_t pdu_length,
+ const DATA_BLOB *sig)
+{
+ struct schannel_state *state =
+ talloc_get_type(gensec_security->private_data,
+ struct schannel_state);
+
+ return netsec_incoming_packet(state, mem_ctx, false,
+ discard_const_p(uint8_t, data),
+ length, sig);
+}
+/*
+ seal a packet
+*/
+static NTSTATUS schannel_seal_packet(struct gensec_security *gensec_security,
+ TALLOC_CTX *mem_ctx,
+ uint8_t *data, size_t length,
+ const uint8_t *whole_pdu, size_t pdu_length,
+ DATA_BLOB *sig)
+{
+ struct schannel_state *state =
+ talloc_get_type(gensec_security->private_data,
+ struct schannel_state);
+
+ return netsec_outgoing_packet(state, mem_ctx, true,
+ data, length, sig);
+}
+
+/*
+ sign a packet
+*/
+static NTSTATUS schannel_sign_packet(struct gensec_security *gensec_security,
+ TALLOC_CTX *mem_ctx,
+ const uint8_t *data, size_t length,
+ const uint8_t *whole_pdu, size_t pdu_length,
+ DATA_BLOB *sig)
+{
+ struct schannel_state *state =
+ talloc_get_type(gensec_security->private_data,
+ struct schannel_state);
+
+ return netsec_outgoing_packet(state, mem_ctx, false,
+ discard_const_p(uint8_t, data),
+ length, sig);
+}
static const struct gensec_security_ops gensec_schannel_security_ops = {
.name = "schannel",
git.samba.org / ira / wip.git / blobdiff