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authorGünther Deschner <gd@samba.org>2013-09-18 17:24:10 +0200
committerGünther Deschner <gd@samba.org>2013-09-19 11:08:44 +0200
commit4d2ec9e37ee9dcf7b521806a1c0aabdffe524d47 (patch)
tree87ca79e00f9165ba19289e80f200e1432e0c376f /source4
parentd9bf88dc749cdbc34f70345b156b0117ecf2932b (diff)
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gensec: move schannel module to toplevel.
Guenther Signed-off-by: Günther Deschner <gd@samba.org> Pair-Programmed-With: Andreas Schneider <asn@samba.org> Reviewed-by: Stefan Metzmacher <metze@samba.org>
Diffstat (limited to 'source4')
-rw-r--r--source4/auth/gensec/schannel.c330
-rwxr-xr-xsource4/auth/gensec/wscript_build10
2 files changed, 0 insertions, 340 deletions
diff --git a/source4/auth/gensec/schannel.c b/source4/auth/gensec/schannel.c
deleted file mode 100644
index eb2e100e2e..0000000000
--- a/source4/auth/gensec/schannel.c
+++ /dev/null
@@ -1,330 +0,0 @@
-/*
- Unix SMB/CIFS implementation.
-
- dcerpc schannel operations
-
- Copyright (C) Andrew Tridgell 2004
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include "includes.h"
-#include "librpc/gen_ndr/ndr_schannel.h"
-#include "auth/auth.h"
-#include "auth/credentials/credentials.h"
-#include "auth/gensec/gensec.h"
-#include "auth/gensec/gensec_internal.h"
-#include "auth/gensec/gensec_proto.h"
-#include "../libcli/auth/schannel.h"
-#include "librpc/gen_ndr/dcerpc.h"
-#include "param/param.h"
-#include "auth/gensec/gensec_toplevel_proto.h"
-
-_PUBLIC_ NTSTATUS gensec_schannel_init(void);
-
-static size_t schannel_sig_size(struct gensec_security *gensec_security, size_t data_size)
-{
- struct schannel_state *state =
- talloc_get_type_abort(gensec_security->private_data,
- struct schannel_state);
-
- return netsec_outgoing_sig_size(state);
-}
-
-static NTSTATUS schannel_update(struct gensec_security *gensec_security, TALLOC_CTX *out_mem_ctx,
- struct tevent_context *ev,
- const DATA_BLOB in, DATA_BLOB *out)
-{
- struct schannel_state *state =
- talloc_get_type(gensec_security->private_data,
- struct schannel_state);
- NTSTATUS status;
- enum ndr_err_code ndr_err;
- struct NL_AUTH_MESSAGE bind_schannel;
- struct NL_AUTH_MESSAGE bind_schannel_ack;
- struct netlogon_creds_CredentialState *creds;
- const char *workstation;
- const char *domain;
-
- *out = data_blob(NULL, 0);
-
- switch (gensec_security->gensec_role) {
- case GENSEC_CLIENT:
- if (state != NULL) {
- /* we could parse the bind ack, but we don't know what it is yet */
- return NT_STATUS_OK;
- }
-
- creds = cli_credentials_get_netlogon_creds(gensec_security->credentials);
- if (creds == NULL) {
- return NT_STATUS_INVALID_PARAMETER_MIX;
- }
-
- state = netsec_create_state(gensec_security,
- creds, true /* initiator */);
- if (state == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- gensec_security->private_data = state;
-
- bind_schannel.MessageType = NL_NEGOTIATE_REQUEST;
-#if 0
- /* to support this we'd need to have access to the full domain name */
- /* 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 = creds->computer_name;
- 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.utf8_netbios_computer = creds->computer_name;
-#else
- 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 = creds->computer_name;
-#endif
-
- ndr_err = ndr_push_struct_blob(out, out_mem_ctx, &bind_schannel,
- (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",
- nt_errstr(status)));
- return status;
- }
-
- return NT_STATUS_MORE_PROCESSING_REQUIRED;
- case GENSEC_SERVER:
-
- if (state != NULL) {
- /* no third leg on this protocol */
- return NT_STATUS_INVALID_PARAMETER;
- }
-
- /* parse the schannel startup blob */
- ndr_err = ndr_pull_struct_blob(&in, out_mem_ctx, &bind_schannel,
- (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",
- nt_errstr(status)));
- return status;
- }
-
- if (bind_schannel.Flags & NL_FLAG_OEM_NETBIOS_DOMAIN_NAME) {
- domain = bind_schannel.oem_netbios_domain.a;
- if (strcasecmp_m(domain, lpcfg_workgroup(gensec_security->settings->lp_ctx)) != 0) {
- DEBUG(3, ("Request for schannel to incorrect domain: %s != our domain %s\n",
- domain, lpcfg_workgroup(gensec_security->settings->lp_ctx)));
- return NT_STATUS_LOGON_FAILURE;
- }
- } else if (bind_schannel.Flags & NL_FLAG_UTF8_DNS_DOMAIN_NAME) {
- domain = bind_schannel.utf8_dns_domain.u;
- if (strcasecmp_m(domain, lpcfg_dnsdomain(gensec_security->settings->lp_ctx)) != 0) {
- DEBUG(3, ("Request for schannel to incorrect domain: %s != our domain %s\n",
- domain, lpcfg_dnsdomain(gensec_security->settings->lp_ctx)));
- return NT_STATUS_LOGON_FAILURE;
- }
- } else {
- DEBUG(3, ("Request for schannel to without domain\n"));
- return NT_STATUS_LOGON_FAILURE;
- }
-
- if (bind_schannel.Flags & NL_FLAG_OEM_NETBIOS_COMPUTER_NAME) {
- workstation = bind_schannel.oem_netbios_computer.a;
- } else if (bind_schannel.Flags & NL_FLAG_UTF8_NETBIOS_COMPUTER_NAME) {
- workstation = bind_schannel.utf8_netbios_computer.u;
- } else {
- DEBUG(3, ("Request for schannel to without netbios workstation\n"));
- return NT_STATUS_LOGON_FAILURE;
- }
-
- status = schannel_get_creds_state(out_mem_ctx,
- 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)));
- if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_HANDLE)) {
- return NT_STATUS_LOGON_FAILURE;
- }
- return status;
- }
-
- state = netsec_create_state(gensec_security,
- creds, false /* not initiator */);
- if (state == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
- gensec_security->private_data = state;
-
- 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, &bind_schannel_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",
- workstation, nt_errstr(status)));
- return status;
- }
-
- return NT_STATUS_OK;
- }
- return NT_STATUS_INVALID_PARAMETER;
-}
-
-/**
- * Returns anonymous credentials for schannel, matching Win2k3.
- *
- */
-
-static NTSTATUS schannel_session_info(struct gensec_security *gensec_security,
- TALLOC_CTX *mem_ctx,
- struct auth_session_info **_session_info)
-{
- return auth_anonymous_session_info(mem_ctx, gensec_security->settings->lp_ctx, _session_info);
-}
-
-static NTSTATUS schannel_server_start(struct gensec_security *gensec_security)
-{
- return NT_STATUS_OK;
-}
-
-static NTSTATUS schannel_client_start(struct gensec_security *gensec_security)
-{
- return NT_STATUS_OK;
-}
-
-static bool schannel_have_feature(struct gensec_security *gensec_security,
- uint32_t feature)
-{
- if (feature & (GENSEC_FEATURE_SIGN |
- GENSEC_FEATURE_SEAL)) {
- return true;
- }
- if (feature & GENSEC_FEATURE_DCE_STYLE) {
- return true;
- }
- return false;
-}
-
-/*
- unseal a packet
-*/
-static NTSTATUS schannel_unseal_packet(struct gensec_security *gensec_security,
- 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_abort(gensec_security->private_data,
- struct schannel_state);
-
- return netsec_incoming_packet(state, 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,
- 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_abort(gensec_security->private_data,
- struct schannel_state);
-
- return netsec_incoming_packet(state, 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_abort(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_abort(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",
- .auth_type = DCERPC_AUTH_TYPE_SCHANNEL,
- .client_start = schannel_client_start,
- .server_start = schannel_server_start,
- .update = schannel_update,
- .seal_packet = schannel_seal_packet,
- .sign_packet = schannel_sign_packet,
- .check_packet = schannel_check_packet,
- .unseal_packet = schannel_unseal_packet,
- .session_info = schannel_session_info,
- .sig_size = schannel_sig_size,
- .have_feature = schannel_have_feature,
- .enabled = true,
- .priority = GENSEC_SCHANNEL
-};
-
-_PUBLIC_ NTSTATUS gensec_schannel_init(void)
-{
- NTSTATUS ret;
- ret = gensec_register(&gensec_schannel_security_ops);
- if (!NT_STATUS_IS_OK(ret)) {
- DEBUG(0,("Failed to register '%s' gensec backend!\n",
- gensec_schannel_security_ops.name));
- return ret;
- }
-
- return ret;
-}
diff --git a/source4/auth/gensec/wscript_build b/source4/auth/gensec/wscript_build
index 04fccc5171..a3eff978c3 100755
--- a/source4/auth/gensec/wscript_build
+++ b/source4/auth/gensec/wscript_build
@@ -32,16 +32,6 @@ bld.SAMBA_MODULE('cyrus_sasl',
)
-bld.SAMBA_MODULE('gensec_schannel',
- source='schannel.c',
- subsystem='gensec',
- deps='COMMON_SCHANNEL NDR_SCHANNEL samba-credentials ndr auth_session',
- internal_module=True,
- autoproto='schannel_proto.h',
- init_function='gensec_schannel_init'
- )
-
-
bld.SAMBA_PYTHON('pygensec',
source='pygensec.c',
deps='gensec pytalloc-util pyparam_util',