From f0d4f6ec31079506b01502f7b515245ace03227d Mon Sep 17 00:00:00 2001 From: Andreas Schneider Date: Fri, 5 Jul 2019 09:39:02 +0200 Subject: [PATCH 011/187] libcli:auth: Add test for decoding an RC4 password buffer BUG: https://bugzilla.samba.org/show_bug.cgi?id=14031 Signed-off-by: Andreas Schneider Reviewed-by: Andrew Bartlett (cherry picked from commit 7ccc76f951a626a25d553ac85c5bf30eb29ffa2b) --- libcli/auth/tests/test_rc4_passwd_buffer.c | 177 +++++++++++++++++++++ libcli/auth/wscript_build | 9 ++ selftest/tests.py | 2 + 3 files changed, 188 insertions(+) create mode 100644 libcli/auth/tests/test_rc4_passwd_buffer.c diff --git a/libcli/auth/tests/test_rc4_passwd_buffer.c b/libcli/auth/tests/test_rc4_passwd_buffer.c new file mode 100644 index 00000000000..f40ac3a5655 --- /dev/null +++ b/libcli/auth/tests/test_rc4_passwd_buffer.c @@ -0,0 +1,177 @@ +/* + * Unix SMB/CIFS implementation. + * + * Copyright (C) 2018-2019 Andreas Schneider + * + * 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 +#include +#include +#include +#include + +#include "includes.h" +#include "libcli/auth/libcli_auth.h" +#include "rpc_client/init_samr.h" + +#define PASSWORD "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" + +static const uint8_t encrypted_test_blob[] = { + 0x37, 0x8e, 0x1d, 0xd5, 0xd3, 0x9f, 0xca, 0x8e, + 0x2f, 0x2d, 0xee, 0xc3, 0xb5, 0x50, 0xcd, 0x4e, + 0xc9, 0x08, 0x04, 0x68, 0x32, 0xc3, 0xac, 0x8e, + 0x53, 0x69, 0xd6, 0xb7, 0x56, 0xcc, 0xc0, 0xbe, + 0x4e, 0x96, 0xa7, 0x74, 0xe9, 0xaa, 0x10, 0x3d, + 0xd5, 0x8c, 0xaa, 0x12, 0x56, 0xb6, 0xf1, 0x85, + 0x21, 0xfa, 0xe9, 0xa1, 0x76, 0xe6, 0xa5, 0x33, + 0x33, 0x2f, 0x47, 0x29, 0xd6, 0xbd, 0xde, 0x64, + 0x4d, 0x15, 0x3e, 0x6a, 0x11, 0x9b, 0x52, 0xbf, + 0x7e, 0x3a, 0xeb, 0x1c, 0x55, 0xd1, 0xb2, 0xa4, + 0x35, 0x03, 0x6c, 0x39, 0x61, 0x28, 0x98, 0xc3, + 0x2d, 0xd4, 0x70, 0x69, 0x8b, 0x83, 0xe9, 0x62, + 0xbe, 0xd8, 0x72, 0x4e, 0xdf, 0xd4, 0xe9, 0xe3, + 0x46, 0x2a, 0xf9, 0x3c, 0x0f, 0x41, 0x62, 0xe1, + 0x43, 0xf0, 0x91, 0xbe, 0x72, 0xa0, 0xc9, 0x08, + 0x73, 0x20, 0x1f, 0x0d, 0x68, 0x2e, 0x32, 0xa1, + 0xb8, 0x9b, 0x08, 0xa1, 0xb4, 0x81, 0x6b, 0xf1, + 0xde, 0x0c, 0x28, 0x34, 0xe2, 0x65, 0x62, 0x54, + 0xeb, 0xc0, 0x71, 0x14, 0xad, 0x36, 0x43, 0x0e, + 0x92, 0x4d, 0x11, 0xe8, 0xdd, 0x2d, 0x5f, 0x05, + 0xff, 0x07, 0xda, 0x81, 0x4e, 0x27, 0x42, 0xa8, + 0xa9, 0x64, 0x4c, 0x74, 0xc8, 0x05, 0xbb, 0x83, + 0x5a, 0xd9, 0x90, 0x3e, 0x0d, 0x9d, 0xe5, 0x2f, + 0x08, 0xf9, 0x1b, 0xbd, 0x26, 0xc3, 0x0d, 0xac, + 0x43, 0xd5, 0x17, 0xf2, 0x61, 0xf5, 0x74, 0x9b, + 0xf3, 0x5b, 0x5f, 0xe1, 0x8a, 0xa6, 0xfd, 0xdf, + 0xff, 0xb5, 0x8b, 0xf1, 0x26, 0xf7, 0xe0, 0xa7, + 0x4f, 0x5b, 0xb8, 0x6d, 0xeb, 0xf6, 0x52, 0x68, + 0x8d, 0xa3, 0xd4, 0x7f, 0x56, 0x43, 0xaa, 0xec, + 0x58, 0x47, 0x03, 0xee, 0x9b, 0x59, 0xd9, 0x78, + 0x9a, 0xfb, 0x9e, 0xe9, 0xa6, 0x61, 0x4e, 0x6d, + 0x92, 0x35, 0xd3, 0x37, 0x6e, 0xf2, 0x34, 0x39, + 0xd4, 0xd2, 0xeb, 0xcf, 0x1c, 0x10, 0xb3, 0x2b, + 0x3e, 0x07, 0x42, 0x3e, 0x20, 0x90, 0x07, 0x3e, + 0xc7, 0xed, 0xd4, 0xdf, 0x50, 0xe5, 0xff, 0xaf, + 0x05, 0xce, 0x29, 0xbe, 0x01, 0xf8, 0xb0, 0x30, + 0x96, 0xae, 0x1b, 0x62, 0x23, 0x93, 0x91, 0x1a, + 0x52, 0x98, 0xd9, 0x59, 0xb8, 0x11, 0xec, 0xb8, + 0xcf, 0x20, 0x32, 0x90, 0x9e, 0xf2, 0x06, 0x43, + 0xb8, 0x36, 0xe3, 0x33, 0x4e, 0x6f, 0x75, 0xeb, + 0xf7, 0x6c, 0xac, 0x06, 0x5f, 0x24, 0x8e, 0x4a, + 0x03, 0xdf, 0x50, 0x31, 0xaa, 0x91, 0xd5, 0x85, + 0x95, 0x78, 0x5b, 0xf4, 0x7f, 0x3e, 0xbc, 0x41, + 0xfa, 0x10, 0xd3, 0x0f, 0x86, 0x8b, 0x23, 0xed, + 0xfc, 0xcc, 0x3e, 0x7d, 0x8c, 0xb4, 0x7c, 0xec, + 0x04, 0x7d, 0x12, 0x53, 0xa1, 0x30, 0xc5, 0xac, + 0xf3, 0x1e, 0x54, 0x1f, 0x97, 0x05, 0x86, 0x74, + 0x51, 0x13, 0x45, 0x98, 0xb8, 0x50, 0x62, 0x18, + 0x0f, 0x6d, 0x66, 0xa4, 0x88, 0x31, 0x76, 0xa3, + 0xb0, 0x75, 0x55, 0x44, 0x18, 0x7c, 0x67, 0xc7, + 0x09, 0x9c, 0xab, 0x53, 0x49, 0xc0, 0xc9, 0x27, + 0x53, 0xa6, 0x99, 0x01, 0x10, 0x49, 0x67, 0x8e, + 0x5b, 0x12, 0x96, 0x40, 0x16, 0x39, 0x11, 0x53, + 0x44, 0x8f, 0xa9, 0xbe, 0x84, 0xbe, 0xe0, 0x45, + 0xe3, 0xfd, 0x48, 0x46, 0x43, 0x53, 0x13, 0x5f, + 0xfa, 0xcf, 0x09, 0x67, 0x90, 0xa3, 0x94, 0xaa, + 0x0d, 0x1f, 0xc2, 0xc3, 0xd4, 0x7e, 0xc8, 0x14, + 0xbe, 0x84, 0xa5, 0x55, 0xee, 0x49, 0x8e, 0x03, + 0x1d, 0xaf, 0xad, 0x65, 0x2f, 0xf0, 0xd5, 0x90, + 0x5e, 0x8d, 0x29, 0x40, 0xba, 0x57, 0x26, 0xa8, + 0x6c, 0x4b, 0x59, 0x40, 0x4e, 0xc2, 0xc4, 0x88, + 0x0a, 0x06, 0x2b, 0x6c, 0x2a, 0xc7, 0x3f, 0xfe, + 0x37, 0x2c, 0x41, 0x58, 0xfe, 0x7e, 0xaf, 0xd1, + 0xd9, 0xd2, 0x9c, 0xd7, 0x8a, 0x01, 0x0e, 0x8c, + 0x9e, 0x8b, 0x5d, 0x72, 0x54, 0x00, 0xbe, 0xb2, + 0x9a, 0xc7, 0xfd, 0x83, 0x1e, 0x9c, 0x79, 0xdd, + 0x15, 0x13, 0xdc, 0x15, +}; + +static void torture_decode_rc4_passwd_buffer(void **state) +{ + char *password_decoded = NULL; + size_t password_decoded_len = 0; + DATA_BLOB session_key = data_blob_const("SystemLibraryDTC", 16); + struct samr_CryptPasswordEx out_pwd_buf = { + .data = {0}, + }; + NTSTATUS status; + bool ok; + + memcpy(out_pwd_buf.data, + encrypted_test_blob, + sizeof(out_pwd_buf.data)); + + status = encode_or_decode_arc4_passwd_buffer(out_pwd_buf.data, + &session_key); + assert_true(NT_STATUS_IS_OK(status)); + + ok = decode_pw_buffer(NULL, + out_pwd_buf.data, + &password_decoded, + &password_decoded_len, + CH_UTF16); + assert_true(ok); + assert_int_equal(password_decoded_len, strlen(PASSWORD)); + assert_string_equal(password_decoded, PASSWORD); +} + +static void torture_rc4_passwd_buffer(void **state) +{ + char *password_decoded = NULL; + size_t password_decoded_len = 0; + DATA_BLOB session_key = data_blob_const("SystemLibraryDTC", 16); + struct samr_CryptPasswordEx out_pwd_buf = { + .data = {0}, + }; + NTSTATUS status; + bool ok; + + status = init_samr_CryptPasswordEx(PASSWORD, + &session_key, + &out_pwd_buf); + assert_true(NT_STATUS_IS_OK(status)); + + status = encode_or_decode_arc4_passwd_buffer(out_pwd_buf.data, + &session_key); + assert_true(NT_STATUS_IS_OK(status)); + + ok = decode_pw_buffer(NULL, + out_pwd_buf.data, + &password_decoded, + &password_decoded_len, + CH_UTF16); + assert_true(ok); + assert_int_equal(password_decoded_len, strlen(PASSWORD)); + assert_string_equal(password_decoded, PASSWORD); +} + +int main(int argc, char *argv[]) +{ + int rc; + const struct CMUnitTest tests[] = { + cmocka_unit_test(torture_decode_rc4_passwd_buffer), + cmocka_unit_test(torture_rc4_passwd_buffer), + }; + + if (argc == 2) { + cmocka_set_test_filter(argv[1]); + } + cmocka_set_message_output(CM_OUTPUT_SUBUNIT); + + rc = cmocka_run_group_tests(tests, NULL, NULL); + + return rc; +} diff --git a/libcli/auth/wscript_build b/libcli/auth/wscript_build index 04e2b09eadf..eabf3814ba1 100644 --- a/libcli/auth/wscript_build +++ b/libcli/auth/wscript_build @@ -62,3 +62,12 @@ bld.SAMBA_BINARY('test_schannel', cmocka ''', install=False) + +bld.SAMBA_BINARY('test_rc4_passwd_buffer', + source='tests/test_rc4_passwd_buffer.c', + deps=''' + INIT_SAMR + LIBCLI_AUTH + cmocka + ''', + install=False) diff --git a/selftest/tests.py b/selftest/tests.py index bbb5709ee47..c91d9b445fe 100644 --- a/selftest/tests.py +++ b/selftest/tests.py @@ -392,6 +392,8 @@ plantestsuite("samba.unittests.ntlm_check", "none", [os.path.join(bindir(), "default/libcli/auth/test_ntlm_check")]) plantestsuite("samba.unittests.schannel", "none", [os.path.join(bindir(), "default/libcli/auth/test_schannel")]) +plantestsuite("samba.unittests.rc4_passwd_buffer", "none", + [os.path.join(bindir(), "default/libcli/auth/test_rc4_passwd_buffer")]) plantestsuite("samba.unittests.test_registry_regfio", "none", [os.path.join(bindir(), "default/source3/test_registry_regfio")]) plantestsuite("samba.unittests.test_oLschema2ldif", "none", -- 2.23.0