libcli:auth: Add test for decoding an RC4 password buffer
[samba.git] / libcli / auth / tests / test_rc4_passwd_buffer.c
1 /*
2  * Unix SMB/CIFS implementation.
3  *
4  * Copyright (C) 2018-2019 Andreas Schneider <asn@samba.org>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 3 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
18  */
19
20 #include <stdarg.h>
21 #include <stddef.h>
22 #include <stdint.h>
23 #include <setjmp.h>
24 #include <cmocka.h>
25
26 #include "includes.h"
27 #include "libcli/auth/libcli_auth.h"
28 #include "rpc_client/init_samr.h"
29
30 #define PASSWORD "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789"
31
32 static const uint8_t encrypted_test_blob[] = {
33         0x37, 0x8e, 0x1d, 0xd5, 0xd3, 0x9f, 0xca, 0x8e,
34         0x2f, 0x2d, 0xee, 0xc3, 0xb5, 0x50, 0xcd, 0x4e,
35         0xc9, 0x08, 0x04, 0x68, 0x32, 0xc3, 0xac, 0x8e,
36         0x53, 0x69, 0xd6, 0xb7, 0x56, 0xcc, 0xc0, 0xbe,
37         0x4e, 0x96, 0xa7, 0x74, 0xe9, 0xaa, 0x10, 0x3d,
38         0xd5, 0x8c, 0xaa, 0x12, 0x56, 0xb6, 0xf1, 0x85,
39         0x21, 0xfa, 0xe9, 0xa1, 0x76, 0xe6, 0xa5, 0x33,
40         0x33, 0x2f, 0x47, 0x29, 0xd6, 0xbd, 0xde, 0x64,
41         0x4d, 0x15, 0x3e, 0x6a, 0x11, 0x9b, 0x52, 0xbf,
42         0x7e, 0x3a, 0xeb, 0x1c, 0x55, 0xd1, 0xb2, 0xa4,
43         0x35, 0x03, 0x6c, 0x39, 0x61, 0x28, 0x98, 0xc3,
44         0x2d, 0xd4, 0x70, 0x69, 0x8b, 0x83, 0xe9, 0x62,
45         0xbe, 0xd8, 0x72, 0x4e, 0xdf, 0xd4, 0xe9, 0xe3,
46         0x46, 0x2a, 0xf9, 0x3c, 0x0f, 0x41, 0x62, 0xe1,
47         0x43, 0xf0, 0x91, 0xbe, 0x72, 0xa0, 0xc9, 0x08,
48         0x73, 0x20, 0x1f, 0x0d, 0x68, 0x2e, 0x32, 0xa1,
49         0xb8, 0x9b, 0x08, 0xa1, 0xb4, 0x81, 0x6b, 0xf1,
50         0xde, 0x0c, 0x28, 0x34, 0xe2, 0x65, 0x62, 0x54,
51         0xeb, 0xc0, 0x71, 0x14, 0xad, 0x36, 0x43, 0x0e,
52         0x92, 0x4d, 0x11, 0xe8, 0xdd, 0x2d, 0x5f, 0x05,
53         0xff, 0x07, 0xda, 0x81, 0x4e, 0x27, 0x42, 0xa8,
54         0xa9, 0x64, 0x4c, 0x74, 0xc8, 0x05, 0xbb, 0x83,
55         0x5a, 0xd9, 0x90, 0x3e, 0x0d, 0x9d, 0xe5, 0x2f,
56         0x08, 0xf9, 0x1b, 0xbd, 0x26, 0xc3, 0x0d, 0xac,
57         0x43, 0xd5, 0x17, 0xf2, 0x61, 0xf5, 0x74, 0x9b,
58         0xf3, 0x5b, 0x5f, 0xe1, 0x8a, 0xa6, 0xfd, 0xdf,
59         0xff, 0xb5, 0x8b, 0xf1, 0x26, 0xf7, 0xe0, 0xa7,
60         0x4f, 0x5b, 0xb8, 0x6d, 0xeb, 0xf6, 0x52, 0x68,
61         0x8d, 0xa3, 0xd4, 0x7f, 0x56, 0x43, 0xaa, 0xec,
62         0x58, 0x47, 0x03, 0xee, 0x9b, 0x59, 0xd9, 0x78,
63         0x9a, 0xfb, 0x9e, 0xe9, 0xa6, 0x61, 0x4e, 0x6d,
64         0x92, 0x35, 0xd3, 0x37, 0x6e, 0xf2, 0x34, 0x39,
65         0xd4, 0xd2, 0xeb, 0xcf, 0x1c, 0x10, 0xb3, 0x2b,
66         0x3e, 0x07, 0x42, 0x3e, 0x20, 0x90, 0x07, 0x3e,
67         0xc7, 0xed, 0xd4, 0xdf, 0x50, 0xe5, 0xff, 0xaf,
68         0x05, 0xce, 0x29, 0xbe, 0x01, 0xf8, 0xb0, 0x30,
69         0x96, 0xae, 0x1b, 0x62, 0x23, 0x93, 0x91, 0x1a,
70         0x52, 0x98, 0xd9, 0x59, 0xb8, 0x11, 0xec, 0xb8,
71         0xcf, 0x20, 0x32, 0x90, 0x9e, 0xf2, 0x06, 0x43,
72         0xb8, 0x36, 0xe3, 0x33, 0x4e, 0x6f, 0x75, 0xeb,
73         0xf7, 0x6c, 0xac, 0x06, 0x5f, 0x24, 0x8e, 0x4a,
74         0x03, 0xdf, 0x50, 0x31, 0xaa, 0x91, 0xd5, 0x85,
75         0x95, 0x78, 0x5b, 0xf4, 0x7f, 0x3e, 0xbc, 0x41,
76         0xfa, 0x10, 0xd3, 0x0f, 0x86, 0x8b, 0x23, 0xed,
77         0xfc, 0xcc, 0x3e, 0x7d, 0x8c, 0xb4, 0x7c, 0xec,
78         0x04, 0x7d, 0x12, 0x53, 0xa1, 0x30, 0xc5, 0xac,
79         0xf3, 0x1e, 0x54, 0x1f, 0x97, 0x05, 0x86, 0x74,
80         0x51, 0x13, 0x45, 0x98, 0xb8, 0x50, 0x62, 0x18,
81         0x0f, 0x6d, 0x66, 0xa4, 0x88, 0x31, 0x76, 0xa3,
82         0xb0, 0x75, 0x55, 0x44, 0x18, 0x7c, 0x67, 0xc7,
83         0x09, 0x9c, 0xab, 0x53, 0x49, 0xc0, 0xc9, 0x27,
84         0x53, 0xa6, 0x99, 0x01, 0x10, 0x49, 0x67, 0x8e,
85         0x5b, 0x12, 0x96, 0x40, 0x16, 0x39, 0x11, 0x53,
86         0x44, 0x8f, 0xa9, 0xbe, 0x84, 0xbe, 0xe0, 0x45,
87         0xe3, 0xfd, 0x48, 0x46, 0x43, 0x53, 0x13, 0x5f,
88         0xfa, 0xcf, 0x09, 0x67, 0x90, 0xa3, 0x94, 0xaa,
89         0x0d, 0x1f, 0xc2, 0xc3, 0xd4, 0x7e, 0xc8, 0x14,
90         0xbe, 0x84, 0xa5, 0x55, 0xee, 0x49, 0x8e, 0x03,
91         0x1d, 0xaf, 0xad, 0x65, 0x2f, 0xf0, 0xd5, 0x90,
92         0x5e, 0x8d, 0x29, 0x40, 0xba, 0x57, 0x26, 0xa8,
93         0x6c, 0x4b, 0x59, 0x40, 0x4e, 0xc2, 0xc4, 0x88,
94         0x0a, 0x06, 0x2b, 0x6c, 0x2a, 0xc7, 0x3f, 0xfe,
95         0x37, 0x2c, 0x41, 0x58, 0xfe, 0x7e, 0xaf, 0xd1,
96         0xd9, 0xd2, 0x9c, 0xd7, 0x8a, 0x01, 0x0e, 0x8c,
97         0x9e, 0x8b, 0x5d, 0x72, 0x54, 0x00, 0xbe, 0xb2,
98         0x9a, 0xc7, 0xfd, 0x83, 0x1e, 0x9c, 0x79, 0xdd,
99         0x15, 0x13, 0xdc, 0x15,
100 };
101
102 static void torture_decode_rc4_passwd_buffer(void **state)
103 {
104         char *password_decoded = NULL;
105         size_t password_decoded_len = 0;
106         DATA_BLOB session_key = data_blob_const("SystemLibraryDTC", 16);
107         struct samr_CryptPasswordEx out_pwd_buf = {
108                 .data = {0},
109         };
110         NTSTATUS status;
111         bool ok;
112
113         memcpy(out_pwd_buf.data,
114                encrypted_test_blob,
115                sizeof(out_pwd_buf.data));
116
117         status = encode_or_decode_arc4_passwd_buffer(out_pwd_buf.data,
118                                                      &session_key);
119         assert_true(NT_STATUS_IS_OK(status));
120
121         ok = decode_pw_buffer(NULL,
122                               out_pwd_buf.data,
123                               &password_decoded,
124                               &password_decoded_len,
125                               CH_UTF16);
126         assert_true(ok);
127         assert_int_equal(password_decoded_len, strlen(PASSWORD));
128         assert_string_equal(password_decoded, PASSWORD);
129 }
130
131 static void torture_rc4_passwd_buffer(void **state)
132 {
133         char *password_decoded = NULL;
134         size_t password_decoded_len = 0;
135         DATA_BLOB session_key = data_blob_const("SystemLibraryDTC", 16);
136         struct samr_CryptPasswordEx out_pwd_buf = {
137                 .data = {0},
138         };
139         NTSTATUS status;
140         bool ok;
141
142         status = init_samr_CryptPasswordEx(PASSWORD,
143                                            &session_key,
144                                            &out_pwd_buf);
145         assert_true(NT_STATUS_IS_OK(status));
146
147         status = encode_or_decode_arc4_passwd_buffer(out_pwd_buf.data,
148                                                      &session_key);
149         assert_true(NT_STATUS_IS_OK(status));
150
151         ok = decode_pw_buffer(NULL,
152                               out_pwd_buf.data,
153                               &password_decoded,
154                               &password_decoded_len,
155                               CH_UTF16);
156         assert_true(ok);
157         assert_int_equal(password_decoded_len, strlen(PASSWORD));
158         assert_string_equal(password_decoded, PASSWORD);
159 }
160
161 int main(int argc, char *argv[])
162 {
163         int rc;
164         const struct CMUnitTest tests[] = {
165                 cmocka_unit_test(torture_decode_rc4_passwd_buffer),
166                 cmocka_unit_test(torture_rc4_passwd_buffer),
167         };
168
169         if (argc == 2) {
170                 cmocka_set_test_filter(argv[1]);
171         }
172         cmocka_set_message_output(CM_OUTPUT_SUBUNIT);
173
174         rc = cmocka_run_group_tests(tests, NULL, NULL);
175
176         return rc;
177 }