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-rw-r--r--source4/torture/rpc/remote_pac.c181
1 files changed, 179 insertions, 2 deletions
diff --git a/source4/torture/rpc/remote_pac.c b/source4/torture/rpc/remote_pac.c
index 58c8ba0ee0..6419e40014 100644
--- a/source4/torture/rpc/remote_pac.c
+++ b/source4/torture/rpc/remote_pac.c
@@ -68,6 +68,8 @@ static bool test_PACVerify(struct torture_context *tctx,
TALLOC_CTX *tmp_ctx = talloc_new(tctx);
+ int i;
+
torture_assert(tctx, tmp_ctx != NULL, "talloc_new() failed");
if (!test_SetupCredentials2(p, tctx, NETLOGON_NEG_AUTH2_ADS_FLAGS,
@@ -157,6 +159,9 @@ static bool test_PACVerify(struct torture_context *tctx,
torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
+ generic.length = pac_wrapped.length;
+ generic.data = pac_wrapped.data;
+
/* Validate it over the netlogon pipe */
generic.identity_info.parameter_control = 0;
@@ -167,8 +172,6 @@ static bool test_PACVerify(struct torture_context *tctx,
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);
@@ -184,9 +187,183 @@ static bool test_PACVerify(struct torture_context *tctx,
torture_assert_ntstatus_ok(tctx, status, "LogonSamLogon failed");
+ /* This will break the signature nicely (even in the crypto wrapping), check we get a logon failure */
+ generic.data[generic.length-1]++;
+
+ 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_equal(tctx, status, NT_STATUS_LOGON_FAILURE, "LogonSamLogon failed");
+
+ torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
+ "Credential chaining failed");
+
+ /* This will break message type, check that however we still get NT_STATUS_OK */
+ for (i=0; i < 256; i++) {
+ pac_wrapped_struct.MessageType = i;
+ pac_wrapped_struct.ChecksumLength = session_info->server_info->pac_srv_sig.signature.length;
+ pac_wrapped_struct.SignatureType = session_info->server_info->pac_kdc_sig.type;
+ pac_wrapped_struct.SignatureLength = session_info->server_info->pac_kdc_sig.signature.length;
+ pac_wrapped_struct.ChecksumAndSignature = payload
+ = data_blob_talloc(tmp_ctx, NULL,
+ pac_wrapped_struct.ChecksumLength
+ + pac_wrapped_struct.SignatureLength);
+ memcpy(&payload.data[0],
+ session_info->server_info->pac_srv_sig.signature.data,
+ pac_wrapped_struct.ChecksumLength);
+ memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
+ session_info->server_info->pac_kdc_sig.signature.data,
+ pac_wrapped_struct.SignatureLength);
+
+ 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");
+
+ torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
+ creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
+
+ 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");
+ }
+
+ /* This will break the parsing nicely (even in the crypto wrapping), check we get INVALID_PARAMETER */
+ generic.length--;
+
+ 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_equal(tctx, status, NT_STATUS_INVALID_PARAMETER, "LogonSamLogon failed");
+
+ torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
+ "Credential chaining failed");
+
+ pac_wrapped_struct.MessageType = 0x3;
+ pac_wrapped_struct.ChecksumLength = session_info->server_info->pac_srv_sig.signature.length;
+ pac_wrapped_struct.SignatureType = session_info->server_info->pac_kdc_sig.type;
+
+ /* Break the SignatureType */
+ pac_wrapped_struct.SignatureType++;
+
+ pac_wrapped_struct.SignatureLength = session_info->server_info->pac_kdc_sig.signature.length;
+ pac_wrapped_struct.ChecksumAndSignature = payload
+ = data_blob_talloc(tmp_ctx, NULL,
+ pac_wrapped_struct.ChecksumLength
+ + pac_wrapped_struct.SignatureLength);
+ memcpy(&payload.data[0],
+ session_info->server_info->pac_srv_sig.signature.data,
+ pac_wrapped_struct.ChecksumLength);
+ memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
+ session_info->server_info->pac_kdc_sig.signature.data,
+ pac_wrapped_struct.SignatureLength);
+
+ 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");
+
+ torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
+ creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
+
+ 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_equal(tctx, status, NT_STATUS_LOGON_FAILURE, "LogonSamLogon failed");
+
torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
"Credential chaining failed");
+
+ pac_wrapped_struct.MessageType = 0x3;
+ pac_wrapped_struct.ChecksumLength = session_info->server_info->pac_srv_sig.signature.length;
+ pac_wrapped_struct.SignatureType = session_info->server_info->pac_kdc_sig.type;
+ pac_wrapped_struct.SignatureLength = session_info->server_info->pac_kdc_sig.signature.length;
+
+ pac_wrapped_struct.ChecksumAndSignature = payload
+ = data_blob_talloc(tmp_ctx, NULL,
+ pac_wrapped_struct.ChecksumLength
+ + pac_wrapped_struct.SignatureLength);
+ memcpy(&payload.data[0],
+ session_info->server_info->pac_srv_sig.signature.data,
+ pac_wrapped_struct.ChecksumLength);
+ memcpy(&payload.data[pac_wrapped_struct.ChecksumLength],
+ session_info->server_info->pac_kdc_sig.signature.data,
+ pac_wrapped_struct.SignatureLength);
+
+ /* Break the signature length */
+ pac_wrapped_struct.SignatureLength++;
+
+ 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");
+
+ torture_assert(tctx, (creds->negotiate_flags & NETLOGON_NEG_ARCFOUR), "not willing to even try a PACValidate without RC4 encryption");
+ creds_arcfour_crypt(creds, pac_wrapped.data, pac_wrapped.length);
+
+ 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_equal(tctx, status, NT_STATUS_INVALID_PARAMETER, "LogonSamLogon failed");
+
+ torture_assert(tctx, creds_client_check(creds, &r.out.return_authenticator->cred),
+ "Credential chaining failed");
return true;
}
generated by cgit (git 2.34.1) at 2024-11-24 23:12:14 +0000