/* Unix SMB/CIFS implementation. SMB torture tester Copyright (C) Stefan Metzmacher 2007 Copyright (C) Andrew Bartlett 2012 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 . */ #include "includes.h" #include "torture/smbtorture.h" #include "torture/winbind/proto.h" #include "auth/auth.h" #include "auth/auth_sam_reply.h" #include "auth/gensec/gensec.h" #include "system/kerberos.h" #include "auth/kerberos/kerberos.h" #include "auth/credentials/credentials.h" #include "param/param.h" #include "lib/cmdline/popt_common.h" struct pac_data { DATA_BLOB pac_blob; }; /* A helper function which avoids touching the local databases to * generate the session info, as we just want to verify the PAC * details, not the full local token */ static NTSTATUS test_generate_session_info_pac(struct auth4_context *auth_ctx, TALLOC_CTX *mem_ctx, struct smb_krb5_context *smb_krb5_context, DATA_BLOB *pac_blob, const char *principal_name, const struct tsocket_address *remote_address, uint32_t session_info_flags, struct auth_session_info **session_info) { NTSTATUS nt_status; struct auth_user_info_dc *user_info_dc; TALLOC_CTX *tmp_ctx; struct pac_data *pac_data; tmp_ctx = talloc_named(mem_ctx, 0, "gensec_gssapi_session_info context"); NT_STATUS_HAVE_NO_MEMORY(tmp_ctx); auth_ctx->private_data = pac_data = talloc_zero(auth_ctx, struct pac_data); pac_data->pac_blob = *pac_blob; talloc_steal(pac_data, pac_data->pac_blob.data); nt_status = kerberos_pac_blob_to_user_info_dc(tmp_ctx, *pac_blob, smb_krb5_context->krb5_context, &user_info_dc, NULL, NULL); if (!NT_STATUS_IS_OK(nt_status)) { talloc_free(tmp_ctx); return nt_status; } if (user_info_dc->info->authenticated) { session_info_flags |= AUTH_SESSION_INFO_AUTHENTICATED; } session_info_flags |= AUTH_SESSION_INFO_SIMPLE_PRIVILEGES; nt_status = auth_generate_session_info(mem_ctx, NULL, NULL, user_info_dc, session_info_flags, session_info); if (!NT_STATUS_IS_OK(nt_status)) { talloc_free(tmp_ctx); return nt_status; } talloc_free(tmp_ctx); return nt_status; } /* 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 torture_winbind_pac(struct torture_context *tctx) { NTSTATUS status; struct gensec_security *gensec_client_context; struct gensec_security *gensec_server_context; DATA_BLOB client_to_server, server_to_client; struct auth4_context *auth_context; struct auth_session_info *session_info; struct pac_data *pac_data; TALLOC_CTX *tmp_ctx = talloc_new(tctx); torture_assert(tctx, tmp_ctx != NULL, "talloc_new() failed"); auth_context = talloc_zero(tmp_ctx, struct auth4_context); torture_assert(tctx, auth_context != NULL, "talloc_new() failed"); auth_context->generate_session_info_pac = test_generate_session_info_pac; status = gensec_client_start(tctx, &gensec_client_context, lpcfg_gensec_settings(tctx, tctx->lp_ctx)); torture_assert_ntstatus_ok(tctx, status, "gensec_client_start (client) failed"); status = gensec_set_target_hostname(gensec_client_context, cli_credentials_get_workstation(cmdline_credentials)); 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, lpcfg_gensec_settings(tctx, tctx->lp_ctx), auth_context, &gensec_server_context); torture_assert_ntstatus_ok(tctx, status, "gensec_server_start (server) failed"); status = gensec_set_credentials(gensec_server_context, cmdline_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, tctx->ev, 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"); } status = gensec_update(gensec_server_context, tmp_ctx, tctx->ev, 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 (NT_STATUS_IS_OK(status)) { break; } } while (1); /* Extract the PAC using Samba's code */ status = gensec_session_info(gensec_server_context, gensec_server_context, &session_info); torture_assert_ntstatus_ok(tctx, status, "gensec_session_info failed"); pac_data = talloc_get_type(auth_context->private_data, struct pac_data); torture_assert(tctx, pac_data != NULL, "gensec_update failed to fill in pac_data in auth_context"); torture_assert(tctx, pac_data->pac_blob.data != NULL, "pac_blob not present"); /* TODO: Check the PAC blob with winbind */ return true; } NTSTATUS torture_winbind_init(void) { struct torture_suite *suite = torture_suite_create(talloc_autofree_context(), "winbind"); torture_suite_add_suite(suite, torture_winbind_struct_init()); torture_suite_add_suite(suite, torture_wbclient()); torture_suite_add_simple_test(suite, "pac", torture_winbind_pac); suite->description = talloc_strdup(suite, "WINBIND tests"); torture_register_suite(suite); return NT_STATUS_OK; }