diff options
| -rw-r--r-- | source4/torture/rpc/remote_pac.c | 181 |
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; } |