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authorAndrew Bartlett <abartlet@samba.org>2008-08-27 21:36:27 +1000
committerAndrew Bartlett <abartlet@samba.org>2008-08-27 21:36:27 +1000
commit960bd9df1f4c7bec95be5362fa7fa66d5ac591e9 (patch)
tree5c51a4927ff1875eb06d43abce8b50a5b36924d0
parent031d145e382fd545f43fa1cd72c10e1469034659 (diff)
downloadsamba-960bd9df1f4c7bec95be5362fa7fa66d5ac591e9.tar.gz
samba-960bd9df1f4c7bec95be5362fa7fa66d5ac591e9.tar.bz2
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Add a test to explore Netlogon PAC validation
However, I have still not figured out this protocol yet, and the docs are rather unclear... :-( Andrew Bartlett (This used to be commit d878643071a1477435a267e2944461d367cdfa79)
-rw-r--r--source4/librpc/idl/krb5pac.idl14
-rw-r--r--source4/librpc/idl/netlogon.idl18
-rw-r--r--source4/samba4-skip1
-rw-r--r--source4/torture/config.mk2
-rw-r--r--source4/torture/rpc/netlogon.c15
-rw-r--r--source4/torture/rpc/remote_pac.c220
-rw-r--r--source4/torture/rpc/rpc.c1
-rw-r--r--source4/torture/rpc/testjoin.c1
8 files changed, 263 insertions, 9 deletions
diff --git a/source4/librpc/idl/krb5pac.idl b/source4/librpc/idl/krb5pac.idl
index ca0efaed3e..07f747a0c4 100644
--- a/source4/librpc/idl/krb5pac.idl
+++ b/source4/librpc/idl/krb5pac.idl
@@ -100,6 +100,14 @@ interface krb5pac
PAC_BUFFER_RAW buffers[num_buffers];
} PAC_DATA_RAW;
+ typedef [public] struct {
+ uint32 MessageType;
+ uint32 ChecksumLength;
+ uint32 SignatureType;
+ uint32 SignatureLength;
+ [size_is(ChecksumLength),length_is(ChecksumLength)] uint8 *data;
+ } PAC_Validate;
+
void decode_pac(
[in] PAC_DATA pac
);
@@ -111,4 +119,10 @@ interface krb5pac
void decode_login_info(
[in] PAC_LOGON_INFO logon_info
);
+
+ void decode_pac_validate(
+ [in] PAC_Validate pac_validate
+ );
+
+
}
diff --git a/source4/librpc/idl/netlogon.idl b/source4/librpc/idl/netlogon.idl
index 62f1b8843a..006411dfbf 100644
--- a/source4/librpc/idl/netlogon.idl
+++ b/source4/librpc/idl/netlogon.idl
@@ -127,7 +127,7 @@ interface netlogon
netr_IdentityInfo identity_info;
lsa_String package_name;
uint32 length;
- [size_is(length),length_is(length)] uint8 *data;
+ [size_is(length)] uint8 *data;
} netr_GenericInfo;
typedef enum {
@@ -240,12 +240,20 @@ interface netlogon
lsa_String unknown4;
} netr_PacInfo;
+ typedef enum {
+ NetlogonValidationUasInfo = 1,
+ NetlogonValidationSamInfo = 2,
+ NetlogonValidationSamInfo2 = 3,
+ NetlogonValidationGenericInfo2 = 5,
+ NetlogonValidationSamInfo4 = 6
+ } netr_ValidationInfoClass;
+
typedef [public,switch_type(uint16)] union {
- [case(2)] netr_SamInfo2 *sam2;
- [case(3)] netr_SamInfo3 *sam3;
+ [case(NetlogonValidationSamInfo)] netr_SamInfo2 *sam2;
+ [case(NetlogonValidationSamInfo2)] netr_SamInfo3 *sam3;
[case(4)] netr_PacInfo *pac;
- [case(5)] netr_PacInfo *pac;
- [case(6)] netr_SamInfo6 *sam6;
+ [case(NetlogonValidationGenericInfo2)] netr_PacInfo *pac;
+ [case(NetlogonValidationSamInfo4)] netr_SamInfo6 *sam6;
} netr_Validation;
typedef [public, flag(NDR_PAHEX)] struct {
diff --git a/source4/samba4-skip b/source4/samba4-skip
index b1313adea0..35b274f63f 100644
--- a/source4/samba4-skip
+++ b/source4/samba4-skip
@@ -41,6 +41,7 @@ ntvfs.cifs.raw.context
ntvfs.cifs.raw.qfileinfo.ipc
rpc.dssync
rpc.samsync
+rpc.pac # Not finished yet
ldap.uptodatevector # Segfaults
rpc.remact # Not provided by Samba 4
rpc.oxidresolve # Not provided by Samba 4
diff --git a/source4/torture/config.mk b/source4/torture/config.mk
index 5a1746c215..96da10b5df 100644
--- a/source4/torture/config.mk
+++ b/source4/torture/config.mk
@@ -114,7 +114,7 @@ torture_rpc_OBJ_FILES = $(addprefix $(torturesrcdir)/rpc/, \
drsuapi_cracknames.o dssync.o spoolss.o spoolss_notify.o spoolss_win.o \
unixinfo.o samr.o samr_accessmask.o wkssvc.o srvsvc.o svcctl.o atsvc.o \
eventlog.o epmapper.o winreg.o initshutdown.o oxidresolve.o remact.o mgmt.o \
- scanner.o autoidl.o countcalls.o testjoin.o schannel.o netlogon.o samlogon.o \
+ scanner.o autoidl.o countcalls.o testjoin.o schannel.o netlogon.o remote_pac.o samlogon.o \
samsync.o bind.o dssetup.o alter_context.o bench.o samba3rpc.o rpc.o async_bind.o \
handles.o frsapi.o)
diff --git a/source4/torture/rpc/netlogon.c b/source4/torture/rpc/netlogon.c
index 5b92ce1382..5ec2c29a20 100644
--- a/source4/torture/rpc/netlogon.c
+++ b/source4/torture/rpc/netlogon.c
@@ -25,8 +25,10 @@
#include "torture/torture.h"
#include "lib/events/events.h"
#include "auth/auth.h"
+#include "auth/gensec/gensec.h"
#include "lib/cmdline/popt_common.h"
#include "torture/rpc/rpc.h"
+#include "torture/rpc/netlogon.h"
#include "libcli/auth/libcli_auth.h"
#include "librpc/gen_ndr/ndr_netlogon_c.h"
#include "librpc/gen_ndr/ndr_lsa_c.h"
@@ -67,8 +69,8 @@ static bool test_LogonUasLogoff(struct torture_context *tctx,
}
static bool test_SetupCredentials(struct dcerpc_pipe *p, struct torture_context *tctx,
- struct cli_credentials *credentials,
- struct creds_CredentialState **creds_out)
+ struct cli_credentials *credentials,
+ struct creds_CredentialState **creds_out)
{
NTSTATUS status;
struct netr_ServerReqChallenge r;
@@ -113,6 +115,13 @@ static bool test_SetupCredentials(struct dcerpc_pipe *p, struct torture_context
torture_comment(tctx, "Testing ServerAuthenticate\n");
status = dcerpc_netr_ServerAuthenticate(p, tctx, &a);
+
+ /* This allows the tests to continue against the more fussy windows 2008 */
+ if (NT_STATUS_EQUAL(status, NT_STATUS_DOWNGRADE_DETECTED)) {
+ return test_SetupCredentials2(p, tctx, NETLOGON_NEG_AUTH2_ADS_FLAGS,
+ credentials, SEC_CHAN_BDC, creds_out);
+ }
+
torture_assert_ntstatus_ok(tctx, status, "ServerAuthenticate");
torture_assert(tctx, creds_client_check(creds, &credentials3),
@@ -122,7 +131,7 @@ static bool test_SetupCredentials(struct dcerpc_pipe *p, struct torture_context
return true;
}
-static bool test_SetupCredentials2(struct dcerpc_pipe *p, struct torture_context *tctx,
+bool test_SetupCredentials2(struct dcerpc_pipe *p, struct torture_context *tctx,
uint32_t negotiate_flags,
struct cli_credentials *machine_credentials,
int sec_chan_type,
diff --git a/source4/torture/rpc/remote_pac.c b/source4/torture/rpc/remote_pac.c
new file mode 100644
index 0000000000..a9e0bbca64
--- /dev/null
+++ b/source4/torture/rpc/remote_pac.c
@@ -0,0 +1,220 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ test suite for netlogon PAC operations
+
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2008
+
+ 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 "torture/torture.h"
+#include "lib/events/events.h"
+#include "auth/auth.h"
+#include "auth/gensec/gensec.h"
+#include "lib/cmdline/popt_common.h"
+#include "torture/rpc/rpc.h"
+#include "torture/rpc/netlogon.h"
+#include "libcli/auth/libcli_auth.h"
+#include "librpc/gen_ndr/ndr_netlogon_c.h"
+#include "librpc/gen_ndr/ndr_krb5pac.h"
+#include "param/param.h"
+#include "lib/messaging/irpc.h"
+#include "cluster/cluster.h"
+
+#include "system/kerberos.h"
+#include "auth/kerberos/kerberos.h"
+#include "librpc/gen_ndr/krb5pac.h"
+#include <gssapi/gssapi.h>
+#include <gssapi/gssapi_krb5.h>
+#include "auth/gensec/gensec_gssapi.h"
+
+#define TEST_MACHINE_NAME "torturepactest"
+
+/* Check to see if we can pass the PAC across to the NETLOGON server for validation */
+
+/* Also happens to be a really good one-step verfication of our Kerberos stack */
+
+static bool test_PACVerify(struct torture_context *tctx,
+ struct dcerpc_pipe *p,
+ struct cli_credentials *credentials)
+{
+ NTSTATUS status;
+
+ struct netr_LogonSamLogon r;
+
+ struct netr_GenericInfo generic;
+ struct netr_Authenticator auth, auth2;
+
+
+ struct creds_CredentialState *creds;
+ struct gensec_security *gensec_client_context;
+ struct gensec_security *gensec_server_context;
+ struct gensec_gssapi_state *gensec_gssapi_state;
+
+ struct messaging_context *msg_server_ctx;
+ DATA_BLOB client_to_server, server_to_client, pac_blob, pac_wrapped;
+ gss_buffer_desc pac;
+ struct PAC_Validate pac_wrapped_struct;
+
+ enum ndr_err_code ndr_err;
+
+ struct auth_session_info *session_info;
+
+ char *tmp_dir;
+ OM_uint32 maj_stat, min_stat;
+
+ TALLOC_CTX *tmp_ctx = talloc_new(tctx);
+
+ torture_assert(tctx, tmp_ctx != NULL, "talloc_new() failed");
+
+ if (!test_SetupCredentials2(p, tctx, NETLOGON_NEG_AUTH2_ADS_FLAGS,
+ credentials, SEC_CHAN_BDC,
+ &creds)) {
+ return false;
+ }
+
+ status = torture_temp_dir(tctx, "PACVerify", &tmp_dir);
+ torture_assert_ntstatus_ok(tctx, status, "torture_temp_dir failed");
+
+ msg_server_ctx = messaging_init(tctx,
+ tmp_dir,
+ cluster_id(0, 1),
+ lp_iconv_convenience(tctx->lp_ctx),
+ tctx->ev);
+
+ torture_assert(tctx, msg_server_ctx != NULL, "Failed to init messaging context");
+
+ status = gensec_client_start(tctx, &gensec_client_context, tctx->ev, tctx->lp_ctx);
+ torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed");
+
+ status = gensec_set_target_hostname(gensec_client_context, TEST_MACHINE_NAME);
+
+ status = gensec_set_credentials(gensec_client_context, cmdline_credentials);
+ torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (client) failed");
+
+ status = gensec_start_mech_by_sasl_name(gensec_client_context, "GSSAPI");
+ torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (client) failed");
+
+ status = gensec_server_start(tctx, tctx->ev, tctx->lp_ctx, msg_server_ctx, &gensec_server_context);
+ torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed");
+
+ status = gensec_set_credentials(gensec_server_context, credentials);
+ torture_assert_ntstatus_ok(tctx, status, "gensec_set_credentials (server) failed");
+
+ status = gensec_start_mech_by_sasl_name(gensec_server_context, "GSSAPI");
+ torture_assert_ntstatus_ok(tctx, status, "gensec_start_mech_by_sasl_name (server) failed");
+
+ server_to_client = data_blob(NULL, 0);
+
+ do {
+ /* Do a client-server update dance */
+ status = gensec_update(gensec_client_context, tmp_ctx, server_to_client, &client_to_server);
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
+ torture_assert_ntstatus_ok(tctx, status, "gensec_update (client) failed");
+ }
+
+ if (client_to_server.length == 0) {
+ break;
+ }
+
+ status = gensec_update(gensec_server_context, tmp_ctx, client_to_server, &server_to_client);
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_MORE_PROCESSING_REQUIRED)) {;
+ torture_assert_ntstatus_ok(tctx, status, "gensec_update (server) failed");
+ }
+
+ if (server_to_client.length == 0) {
+ break;
+ }
+ } while (1);
+
+ /* Extract the PAC using Samba's code */
+
+ status = gensec_session_info(gensec_server_context, &session_info);
+ torture_assert_ntstatus_ok(tctx, status, "gensec_gssapi_session_info failed");
+
+ /* Extract a raw PAC */
+
+ gensec_gssapi_state = talloc_get_type(gensec_server_context->private_data, struct gensec_gssapi_state);
+
+ maj_stat = gsskrb5_extract_authz_data_from_sec_context(&min_stat,
+ gensec_gssapi_state->gssapi_context,
+ KRB5_AUTHDATA_WIN2K_PAC,
+ &pac);
+
+ if (maj_stat == 0) {
+ pac_blob = data_blob_talloc(tmp_ctx, pac.value, pac.length);
+ gss_release_buffer(&min_stat, &pac);
+
+ } else {
+ pac_blob = data_blob(NULL, 0);
+ }
+
+ pac_wrapped_struct.MessageType = 0x3;
+ pac_wrapped_struct.ChecksumLength = pac_blob.length;
+ pac_wrapped_struct.SignatureType = 0;
+ pac_wrapped_struct.SignatureLength = 0;
+ pac_wrapped_struct.data = pac_blob.data;
+
+ ndr_err = ndr_push_struct_blob(&pac_wrapped, tmp_ctx, lp_iconv_convenience(tctx->lp_ctx), &pac_wrapped_struct,
+ (ndr_push_flags_fn_t)ndr_push_PAC_Validate);
+ torture_assert(tctx, NDR_ERR_CODE_IS_SUCCESS(ndr_err), "ndr_push_struct_blob of PACValidate structure failed");
+
+
+ /* Validate it over the netlogon pipe */
+
+ generic.identity_info.parameter_control = 0;
+ generic.identity_info.logon_id_high = 0;
+ generic.identity_info.logon_id_low = 0;
+ generic.identity_info.domain_name.string = session_info->server_info->domain_name;
+ generic.identity_info.account_name.string = session_info->server_info->account_name;
+ generic.identity_info.workstation.string = TEST_MACHINE_NAME;
+
+ generic.package_name.string = "Kerberos";
+ generic.length = pac_wrapped.length;
+ generic.data = pac_wrapped.data;
+
+ ZERO_STRUCT(auth2);
+ creds_client_authenticator(creds, &auth);
+ r.in.credential = &auth;
+ r.in.return_authenticator = &auth2;
+ r.in.logon_level = NetlogonGenericInformation;
+ r.in.logon.generic = &generic;
+ r.in.server_name = talloc_asprintf(tctx, "\\\\%s", dcerpc_server_name(p));
+ r.in.computer_name = cli_credentials_get_workstation(credentials);
+ r.in.validation_level = NetlogonValidationGenericInfo2;
+
+ status = dcerpc_netr_LogonSamLogon(p, tctx, &r);
+
+ torture_assert_ntstatus_ok(tctx, status, "LogonSamLogon failed");
+
+ torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
+ "Credential chaining failed");
+
+ return true;
+}
+
+struct torture_suite *torture_rpc_remote_pac(TALLOC_CTX *mem_ctx)
+{
+ struct torture_suite *suite = torture_suite_create(mem_ctx, "PAC");
+ struct torture_rpc_tcase *tcase;
+ struct torture_test *test;
+
+ tcase = torture_suite_add_machine_rpc_iface_tcase(suite, "netlogon",
+ &ndr_table_netlogon, TEST_MACHINE_NAME);
+ torture_rpc_tcase_add_test_creds(tcase, "verify", test_PACVerify);
+
+ return suite;
+}
diff --git a/source4/torture/rpc/rpc.c b/source4/torture/rpc/rpc.c
index 23867f2a77..85f7bde16c 100644
--- a/source4/torture/rpc/rpc.c
+++ b/source4/torture/rpc/rpc.c
@@ -395,6 +395,7 @@ NTSTATUS torture_rpc_init(void)
torture_suite_add_simple_test(suite, "SAMR-USERS", torture_rpc_samr_users);
torture_suite_add_simple_test(suite, "SAMR-PASSWORDS", torture_rpc_samr_passwords);
torture_suite_add_suite(suite, torture_rpc_netlogon(suite));
+ torture_suite_add_suite(suite, torture_rpc_remote_pac(suite));
torture_suite_add_simple_test(suite, "SAMLOGON", torture_rpc_samlogon);
torture_suite_add_simple_test(suite, "SAMSYNC", torture_rpc_samsync);
torture_suite_add_simple_test(suite, "SCHANNEL", torture_rpc_schannel);
diff --git a/source4/torture/rpc/testjoin.c b/source4/torture/rpc/testjoin.c
index 9fd9d2f0c6..2af8c4f872 100644
--- a/source4/torture/rpc/testjoin.c
+++ b/source4/torture/rpc/testjoin.c
@@ -400,6 +400,7 @@ _PUBLIC_ struct test_join *torture_join_domain(struct torture_context *tctx,
}
cli_credentials_set_username(*machine_credentials, libnet_r->in.account_name, CRED_SPECIFIED);
cli_credentials_set_password(*machine_credentials, libnet_r->out.join_password, CRED_SPECIFIED);
+ cli_credentials_set_kvno(*machine_credentials, libnet_r->out.kvno);
if (acct_flags & ACB_SVRTRUST) {
cli_credentials_set_secure_channel_type(*machine_credentials,
SEC_CHAN_BDC);