1 /*
2  * Copyright (C) 2009 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <errno.h>
18 #include <fcntl.h>
19 #include <stdarg.h>
20 #include <stdio.h>
21 #include <stdlib.h>
22 #include <string.h>
23 #include <sys/types.h>
24 #include <sys/stat.h>
25 
26 #include "common.h"
27 #include "verifier.h"
28 #include "ui.h"
29 #include "mincrypt/sha.h"
30 #include "mincrypt/sha256.h"
31 #include "minzip/SysUtil.h"
32 
33 // This is build/target/product/security/testkey.x509.pem after being
34 // dumped out by dumpkey.jar.
35 RSAPublicKey test_key =
36     { 64, 0xc926ad21,
37       { 0x6afee91fu, 0x7fa31d5bu, 0x38a0b217u, 0x99df9baeu,
38         0xfe72991du, 0x727d3c04u, 0x20943f99u, 0xd08e7826u,
39         0x69e7c8a2u, 0xdeeccc8eu, 0x6b9af76fu, 0x553311c4u,
40         0x07b9e247u, 0x54c8bbcau, 0x6a540d81u, 0x48dbf567u,
41         0x98c92877u, 0x134fbfdeu, 0x01b32564u, 0x24581948u,
42         0x6cddc3b8u, 0x0cd444dau, 0xfe0381ccu, 0xf15818dfu,
43         0xc06e6d42u, 0x2e2f6412u, 0x093a6737u, 0x94d83b31u,
44         0xa466c87au, 0xb3f284a0u, 0xa694ec2cu, 0x053359e6u,
45         0x9717ee6au, 0x0732e080u, 0x220d5008u, 0xdc4af350u,
46         0x93d0a7c3u, 0xe330c9eau, 0xcac3da1eu, 0x8ebecf8fu,
47         0xc2be387fu, 0x38a14e89u, 0x211586f0u, 0x18b846f5u,
48         0x43be4c72u, 0xb578c204u, 0x1bbfb230u, 0xf1e267a8u,
49         0xa2d3e656u, 0x64b8e4feu, 0xe7e83d4bu, 0x3e77a943u,
50         0x3559ffd9u, 0x0ebb0f99u, 0x0aa76ce6u, 0xd3786ea7u,
51         0xbca8cd6bu, 0x068ca8e8u, 0xeb1de2ffu, 0x3e3ecd6cu,
52         0xe0d9d825u, 0xb1edc762u, 0xdec60b24u, 0xd6931904u},
53       { 0xccdcb989u, 0xe19281f9u, 0xa6e80accu, 0xb7f40560u,
54         0x0efb0bccu, 0x7f12b0bbu, 0x1e90531au, 0x136d95d0u,
55         0x9e660665u, 0x7d54918fu, 0xe3b93ea2u, 0x2f415d10u,
56         0x3d2df6e6u, 0x7a627ecfu, 0xa6f22d70u, 0xb995907au,
57         0x09de16b2u, 0xfeb8bd61u, 0xf24ec294u, 0x716a427fu,
58         0x2e12046fu, 0xeaf3d56au, 0xd9b873adu, 0x0ced340bu,
59         0xbc9cec09u, 0x73c65903u, 0xee39ce9bu, 0x3eede25au,
60         0x397633b7u, 0x2583c165u, 0x8514f97du, 0xe9166510u,
61         0x0b6fae99u, 0xa47139fdu, 0xdb8352f0u, 0xb2ad7f2cu,
62         0xa11552e2u, 0xd4d490a7u, 0xe11e8568u, 0xe9e484dau,
63         0xd3ef8449u, 0xa47055dau, 0x4edd9557u, 0x03a78ba1u,
64         0x770e130du, 0x16762facu, 0x0cbdfcc4u, 0xf3070540u,
65         0x008b6515u, 0x60e7e1b7u, 0xa72cf7f9u, 0xaff86e39u,
66         0x4296faadu, 0xfc90430eu, 0x6cc8f377u, 0xb398fd43u,
67         0x423c5997u, 0x991d59c4u, 0x6464bf73u, 0x96431575u,
68         0x15e3d207u, 0x30532a7au, 0x8c4be618u, 0x460a4d76u },
69       3
70     };
71 
72 RSAPublicKey test_f4_key =
73     { 64, 0xc9bd1f21,
74       { 0x1178db1fu, 0xbf5d0e55u, 0x3393a165u, 0x0ef4c287u,
75         0xbc472a4au, 0x383fc5a1u, 0x4a13b7d2u, 0xb1ff2ac3u,
76         0xaf66b4d9u, 0x9280acefu, 0xa2165bdbu, 0x6a4d6e5cu,
77         0x08ea676bu, 0xb7ac70c7u, 0xcd158139u, 0xa635ccfeu,
78         0xa46ab8a8u, 0x445a3e8bu, 0xdc81d9bbu, 0x91ce1a20u,
79         0x68021cdeu, 0x4516eda9u, 0x8d43c30cu, 0xed1eff14u,
80         0xca387e4cu, 0x58adc233u, 0x4657ab27u, 0xa95b521eu,
81         0xdfc0e30cu, 0x394d64a1u, 0xc6b321a1u, 0x2ca22cb8u,
82         0xb1892d5cu, 0x5d605f3eu, 0x6025483cu, 0x9afd5181u,
83         0x6e1a7105u, 0x03010593u, 0x70acd304u, 0xab957cbfu,
84         0x8844abbbu, 0x53846837u, 0x24e98a43u, 0x2ba060c1u,
85         0x8b88b88eu, 0x44eea405u, 0xb259fc41u, 0x0907ad9cu,
86         0x13003adau, 0xcf79634eu, 0x7d314ec9u, 0xfbbe4c2bu,
87         0xd84d0823u, 0xfd30fd88u, 0x68d8a909u, 0xfb4572d9u,
88         0xa21301c2u, 0xd00a4785u, 0x6862b50cu, 0xcfe49796u,
89         0xdaacbd83u, 0xfb620906u, 0xdf71e0ccu, 0xbbc5b030u },
90       { 0x69a82189u, 0x1a8b22f4u, 0xcf49207bu, 0x68cc056au,
91         0xb206b7d2u, 0x1d449bbdu, 0xe9d342f2u, 0x29daea58u,
92         0xb19d011au, 0xc62f15e4u, 0x9452697au, 0xb62bb87eu,
93         0x60f95cc2u, 0x279ebb2du, 0x17c1efd8u, 0xec47558bu,
94         0xc81334d1u, 0x88fe7601u, 0x79992eb1u, 0xb4555615u,
95         0x2022ac8cu, 0xc79a4b8cu, 0xb288b034u, 0xd6b942f0u,
96         0x0caa32fbu, 0xa065ba51u, 0x4de9f154u, 0x29f64f6cu,
97         0x7910af5eu, 0x3ed4636au, 0xe4c81911u, 0x9183f37du,
98         0x5811e1c4u, 0x29c7a58cu, 0x9715d4d3u, 0xc7e2dce3u,
99         0x140972ebu, 0xf4c8a69eu, 0xa104d424u, 0x5dabbdfbu,
100         0x41cb4c6bu, 0xd7f44717u, 0x61785ff7u, 0x5e0bc273u,
101         0x36426c70u, 0x2aa6f08eu, 0x083badbfu, 0x3cab941bu,
102         0x8871da23u, 0x1ab3dbaeu, 0x7115a21du, 0xf5aa0965u,
103         0xf766f562u, 0x7f110225u, 0x86d96a04u, 0xc50a120eu,
104         0x3a751ca3u, 0xc21aa186u, 0xba7359d0u, 0x3ff2b257u,
105         0xd116e8bbu, 0xfc1318c0u, 0x070e5b1du, 0x83b759a6u },
106       65537
107     };
108 
109 ECPublicKey test_ec_key =
110     {
111        {
112          {0xd656fa24u, 0x931416cau, 0x1c0278c6u, 0x174ebe4cu,
113           0x6018236au, 0x45ba1656u, 0xe8c05d84u, 0x670ed500u}
114       },
115       {
116         {0x0d179adeu, 0x4c16827du, 0x9f8cb992u, 0x8f69ff8au,
117          0x481b1020u, 0x798d91afu, 0x184db8e9u, 0xb5848dd9u}
118       }
119     };
120 
121 RecoveryUI* ui = NULL;
122 
123 // verifier expects to find a UI object; we provide one that does
124 // nothing but print.
125 class FakeUI : public RecoveryUI {
Init()126     void Init() { }
SetStage(int,int)127     void SetStage(int, int) { }
SetLocale(const char *)128     void SetLocale(const char*) { }
SetBackground(Icon icon)129     void SetBackground(Icon icon) { }
130 
SetProgressType(ProgressType determinate)131     void SetProgressType(ProgressType determinate) { }
ShowProgress(float portion,float seconds)132     void ShowProgress(float portion, float seconds) { }
SetProgress(float fraction)133     void SetProgress(float fraction) { }
134 
ShowText(bool visible)135     void ShowText(bool visible) { }
IsTextVisible()136     bool IsTextVisible() { return false; }
WasTextEverVisible()137     bool WasTextEverVisible() { return false; }
Print(const char * fmt,...)138     void Print(const char* fmt, ...) {
139         va_list ap;
140         va_start(ap, fmt);
141         vfprintf(stderr, fmt, ap);
142         va_end(ap);
143     }
ShowFile(const char *)144     void ShowFile(const char*) { }
145 
StartMenu(const char * const * headers,const char * const * items,int initial_selection)146     void StartMenu(const char* const * headers, const char* const * items,
147                            int initial_selection) { }
SelectMenu(int sel)148     int SelectMenu(int sel) { return 0; }
EndMenu()149     void EndMenu() { }
150 };
151 
152 void
ui_print(const char * format,...)153 ui_print(const char* format, ...) {
154     va_list ap;
155     va_start(ap, format);
156     vfprintf(stdout, format, ap);
157     va_end(ap);
158 }
159 
add_certificate(Certificate ** certsp,int * num_keys,Certificate::KeyType key_type)160 static Certificate* add_certificate(Certificate** certsp, int* num_keys,
161         Certificate::KeyType key_type) {
162     int i = *num_keys;
163     *num_keys = *num_keys + 1;
164     *certsp = (Certificate*) realloc(*certsp, *num_keys * sizeof(Certificate));
165     Certificate* certs = *certsp;
166     certs[i].rsa = NULL;
167     certs[i].ec = NULL;
168     certs[i].key_type = key_type;
169     certs[i].hash_len = SHA_DIGEST_SIZE;
170     return &certs[i];
171 }
172 
main(int argc,char ** argv)173 int main(int argc, char **argv) {
174     if (argc < 2) {
175         fprintf(stderr, "Usage: %s [-sha256] [-ec | -f4 | -file <keys>] <package>\n", argv[0]);
176         return 2;
177     }
178     Certificate* certs = NULL;
179     int num_keys = 0;
180 
181     int argn = 1;
182     while (argn < argc) {
183         if (strcmp(argv[argn], "-sha256") == 0) {
184             if (num_keys == 0) {
185                 fprintf(stderr, "May only specify -sha256 after key type\n");
186                 return 2;
187             }
188             ++argn;
189             Certificate* cert = &certs[num_keys - 1];
190             cert->hash_len = SHA256_DIGEST_SIZE;
191         } else if (strcmp(argv[argn], "-ec") == 0) {
192             ++argn;
193             Certificate* cert = add_certificate(&certs, &num_keys, Certificate::EC);
194             cert->ec = &test_ec_key;
195         } else if (strcmp(argv[argn], "-e3") == 0) {
196             ++argn;
197             Certificate* cert = add_certificate(&certs, &num_keys, Certificate::RSA);
198             cert->rsa = &test_key;
199         } else if (strcmp(argv[argn], "-f4") == 0) {
200             ++argn;
201             Certificate* cert = add_certificate(&certs, &num_keys, Certificate::RSA);
202             cert->rsa = &test_f4_key;
203         } else if (strcmp(argv[argn], "-file") == 0) {
204             if (certs != NULL) {
205                 fprintf(stderr, "Cannot specify -file with other certs specified\n");
206                 return 2;
207             }
208             ++argn;
209             certs = load_keys(argv[argn], &num_keys);
210             ++argn;
211         } else if (argv[argn][0] == '-') {
212             fprintf(stderr, "Unknown argument %s\n", argv[argn]);
213             return 2;
214         } else {
215             break;
216         }
217     }
218 
219     if (argn == argc) {
220         fprintf(stderr, "Must specify package to verify\n");
221         return 2;
222     }
223 
224     if (num_keys == 0) {
225         certs = (Certificate*) calloc(1, sizeof(Certificate));
226         if (certs == NULL) {
227             fprintf(stderr, "Failure allocating memory for default certificate\n");
228             return 1;
229         }
230         certs->key_type = Certificate::RSA;
231         certs->rsa = &test_key;
232         certs->ec = NULL;
233         certs->hash_len = SHA_DIGEST_SIZE;
234         num_keys = 1;
235     }
236 
237     ui = new FakeUI();
238 
239     MemMapping map;
240     if (sysMapFile(argv[argn], &map) != 0) {
241         fprintf(stderr, "failed to mmap %s: %s\n", argv[argn], strerror(errno));
242         return 4;
243     }
244 
245     int result = verify_file(map.addr, map.length, certs, num_keys);
246     if (result == VERIFY_SUCCESS) {
247         printf("VERIFIED\n");
248         return 0;
249     } else if (result == VERIFY_FAILURE) {
250         printf("NOT VERIFIED\n");
251         return 1;
252     } else {
253         printf("bad return value\n");
254         return 3;
255     }
256 }
257