]>
Commit | Line | Data |
---|---|---|
846e33c7 | 1 | /* |
6738bf14 | 2 | * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
dffa7520 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
11 | #include <stdlib.h> | |
12 | #include <string.h> | |
13 | #include "apps.h" | |
dab2cd68 | 14 | #include "progs.h" |
ec577822 BM |
15 | #include <openssl/bio.h> |
16 | #include <openssl/err.h> | |
17 | #include <openssl/x509.h> | |
d4cec6a1 | 18 | #include <openssl/x509v3.h> |
ec577822 | 19 | #include <openssl/pem.h> |
d02b48c6 | 20 | |
6d23cf97 | 21 | static int cb(int ok, X509_STORE_CTX *ctx); |
cc696296 | 22 | static int check(X509_STORE *ctx, const char *file, |
0f113f3e | 23 | STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, |
8267becb | 24 | STACK_OF(X509_CRL) *crls, int show_chain, |
25 | unsigned char *sm2id, size_t sm2idlen); | |
0f113f3e | 26 | static int v_verbose = 0, vflags = 0; |
d02b48c6 | 27 | |
7e1b7485 RS |
28 | typedef enum OPTION_choice { |
29 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
fd3397fc RL |
30 | OPT_ENGINE, OPT_CAPATH, OPT_CAFILE, OPT_CASTORE, |
31 | OPT_NOCAPATH, OPT_NOCAFILE, OPT_NOCASTORE, | |
2b6bcb70 | 32 | OPT_UNTRUSTED, OPT_TRUSTED, OPT_CRLFILE, OPT_CRL_DOWNLOAD, OPT_SHOW_CHAIN, |
bd91e3c8 | 33 | OPT_V_ENUM, OPT_NAMEOPT, |
8267becb | 34 | OPT_VERBOSE, OPT_SM2ID, OPT_SM2HEXID |
7e1b7485 RS |
35 | } OPTION_CHOICE; |
36 | ||
44c83ebd | 37 | const OPTIONS verify_options[] = { |
7e1b7485 | 38 | {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"}, |
5388f986 RS |
39 | |
40 | OPT_SECTION("General"), | |
7e1b7485 | 41 | {"help", OPT_HELP, '-', "Display this summary"}, |
5388f986 RS |
42 | #ifndef OPENSSL_NO_ENGINE |
43 | {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, | |
44 | #endif | |
a64ba70d MC |
45 | {"verbose", OPT_VERBOSE, '-', |
46 | "Print extra information about the operations being performed."}, | |
5388f986 RS |
47 | {"nameopt", OPT_NAMEOPT, 's', "Various certificate name options"}, |
48 | ||
49 | OPT_SECTION("Certificate chain"), | |
a64ba70d MC |
50 | {"CApath", OPT_CAPATH, '/', "A directory of trusted certificates"}, |
51 | {"CAfile", OPT_CAFILE, '<', "A file of trusted certificates"}, | |
fd3397fc | 52 | {"CAstore", OPT_CASTORE, ':', "URI to a store of trusted certificates"}, |
2b6bcb70 MC |
53 | {"no-CAfile", OPT_NOCAFILE, '-', |
54 | "Do not load the default certificates file"}, | |
55 | {"no-CApath", OPT_NOCAPATH, '-', | |
56 | "Do not load certificates from the default certificates directory"}, | |
fd3397fc RL |
57 | {"no-CAstore", OPT_NOCAPATH, '-', |
58 | "Do not load certificates from the default certificates store"}, | |
a64ba70d | 59 | {"untrusted", OPT_UNTRUSTED, '<', "A file of untrusted certificates"}, |
5b89036c | 60 | {"trusted", OPT_TRUSTED, '<', "A file of trusted certificates"}, |
a64ba70d MC |
61 | {"CRLfile", OPT_CRLFILE, '<', |
62 | "File containing one or more CRL's (in PEM format) to load"}, | |
63 | {"crl_download", OPT_CRL_DOWNLOAD, '-', | |
64 | "Attempt to download CRL information for this certificate"}, | |
65 | {"show_chain", OPT_SHOW_CHAIN, '-', | |
66 | "Display information about the certificate chain"}, | |
5388f986 | 67 | |
9c3bcfa0 | 68 | OPT_V_OPTIONS, |
8267becb | 69 | #ifndef OPENSSL_NO_SM2 |
70 | {"sm2-id", OPT_SM2ID, 's', | |
71 | "Specify an ID string to verify an SM2 certificate"}, | |
72 | {"sm2-hex-id", OPT_SM2HEXID, 's', | |
73 | "Specify a hex ID string to verify an SM2 certificate"}, | |
7e1b7485 | 74 | #endif |
7e1b7485 RS |
75 | {NULL} |
76 | }; | |
667ac4ec | 77 | |
7e1b7485 | 78 | int verify_main(int argc, char **argv) |
0f113f3e | 79 | { |
dd1abd44 | 80 | ENGINE *e = NULL; |
0f113f3e MC |
81 | STACK_OF(X509) *untrusted = NULL, *trusted = NULL; |
82 | STACK_OF(X509_CRL) *crls = NULL; | |
7e1b7485 | 83 | X509_STORE *store = NULL; |
0f113f3e | 84 | X509_VERIFY_PARAM *vpm = NULL; |
fd3397fc RL |
85 | const char *prog, *CApath = NULL, *CAfile = NULL, *CAstore = NULL; |
86 | int noCApath = 0, noCAfile = 0, noCAstore = 0; | |
7e1b7485 RS |
87 | int vpmtouched = 0, crl_download = 0, show_chain = 0, i = 0, ret = 1; |
88 | OPTION_CHOICE o; | |
8267becb | 89 | unsigned char *sm2_id = NULL; |
90 | size_t sm2_idlen = 0; | |
875c9a9a | 91 | int sm2_free = 0; |
d02b48c6 | 92 | |
7e1b7485 | 93 | if ((vpm = X509_VERIFY_PARAM_new()) == NULL) |
0f113f3e | 94 | goto end; |
0f113f3e | 95 | |
7e1b7485 RS |
96 | prog = opt_init(argc, argv, verify_options); |
97 | while ((o = opt_next()) != OPT_EOF) { | |
98 | switch (o) { | |
99 | case OPT_EOF: | |
100 | case OPT_ERR: | |
101 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
102 | goto end; | |
103 | case OPT_HELP: | |
104 | opt_help(verify_options); | |
105 | BIO_printf(bio_err, "Recognized usages:\n"); | |
106 | for (i = 0; i < X509_PURPOSE_get_count(); i++) { | |
107 | X509_PURPOSE *ptmp; | |
108 | ptmp = X509_PURPOSE_get0(i); | |
109 | BIO_printf(bio_err, "\t%-10s\t%s\n", | |
110 | X509_PURPOSE_get0_sname(ptmp), | |
111 | X509_PURPOSE_get0_name(ptmp)); | |
112 | } | |
0f113f3e | 113 | |
7e1b7485 RS |
114 | BIO_printf(bio_err, "Recognized verify names:\n"); |
115 | for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) { | |
116 | const X509_VERIFY_PARAM *vptmp; | |
117 | vptmp = X509_VERIFY_PARAM_get0(i); | |
118 | BIO_printf(bio_err, "\t%-10s\n", | |
119 | X509_VERIFY_PARAM_get0_name(vptmp)); | |
0f113f3e | 120 | } |
7e1b7485 RS |
121 | ret = 0; |
122 | goto end; | |
123 | case OPT_V_CASES: | |
124 | if (!opt_verify(o, vpm)) | |
0f113f3e | 125 | goto end; |
7e1b7485 RS |
126 | vpmtouched++; |
127 | break; | |
128 | case OPT_CAPATH: | |
129 | CApath = opt_arg(); | |
130 | break; | |
131 | case OPT_CAFILE: | |
132 | CAfile = opt_arg(); | |
133 | break; | |
fd3397fc RL |
134 | case OPT_CASTORE: |
135 | CAstore = opt_arg(); | |
136 | break; | |
2b6bcb70 MC |
137 | case OPT_NOCAPATH: |
138 | noCApath = 1; | |
139 | break; | |
140 | case OPT_NOCAFILE: | |
141 | noCAfile = 1; | |
142 | break; | |
fd3397fc RL |
143 | case OPT_NOCASTORE: |
144 | noCAstore = 1; | |
145 | break; | |
7e1b7485 | 146 | case OPT_UNTRUSTED: |
feb2f53e | 147 | /* Zero or more times */ |
a773b52a | 148 | if (!load_certs(opt_arg(), &untrusted, FORMAT_PEM, NULL, |
feb2f53e VD |
149 | "untrusted certificates")) |
150 | goto end; | |
7e1b7485 RS |
151 | break; |
152 | case OPT_TRUSTED: | |
feb2f53e VD |
153 | /* Zero or more times */ |
154 | noCAfile = 1; | |
155 | noCApath = 1; | |
fd3397fc | 156 | noCAstore = 1; |
a773b52a | 157 | if (!load_certs(opt_arg(), &trusted, FORMAT_PEM, NULL, |
feb2f53e VD |
158 | "trusted certificates")) |
159 | goto end; | |
7e1b7485 RS |
160 | break; |
161 | case OPT_CRLFILE: | |
feb2f53e | 162 | /* Zero or more times */ |
a773b52a | 163 | if (!load_crls(opt_arg(), &crls, FORMAT_PEM, NULL, |
feb2f53e VD |
164 | "other CRLs")) |
165 | goto end; | |
7e1b7485 RS |
166 | break; |
167 | case OPT_CRL_DOWNLOAD: | |
168 | crl_download = 1; | |
0f113f3e | 169 | break; |
a773b52a | 170 | case OPT_ENGINE: |
dd1abd44 | 171 | if ((e = setup_engine(opt_arg(), 0)) == NULL) { |
a773b52a RS |
172 | /* Failure message already displayed */ |
173 | goto end; | |
174 | } | |
175 | break; | |
7e1b7485 RS |
176 | case OPT_SHOW_CHAIN: |
177 | show_chain = 1; | |
178 | break; | |
ad39b31c | 179 | case OPT_NAMEOPT: |
b5c4209b | 180 | if (!set_nameopt(opt_arg())) |
ad39b31c DB |
181 | goto end; |
182 | break; | |
7e1b7485 RS |
183 | case OPT_VERBOSE: |
184 | v_verbose = 1; | |
185 | break; | |
8267becb | 186 | case OPT_SM2ID: |
ad14e8e5 SL |
187 | if (sm2_id != NULL) { |
188 | BIO_printf(bio_err, | |
189 | "Use one of the options 'sm2-hex-id' or 'sm2-id' \n"); | |
190 | goto end; | |
191 | } | |
8267becb | 192 | sm2_id = (unsigned char *)opt_arg(); |
193 | sm2_idlen = strlen((const char *)sm2_id); | |
194 | break; | |
195 | case OPT_SM2HEXID: | |
ad14e8e5 SL |
196 | if (sm2_id != NULL) { |
197 | BIO_printf(bio_err, | |
198 | "Use one of the options 'sm2-hex-id' or 'sm2-id' \n"); | |
199 | goto end; | |
200 | } | |
8267becb | 201 | /* try to parse the input as hex string first */ |
875c9a9a | 202 | sm2_free = 1; |
8267becb | 203 | sm2_id = OPENSSL_hexstr2buf(opt_arg(), (long *)&sm2_idlen); |
204 | if (sm2_id == NULL) { | |
205 | BIO_printf(bio_err, "Invalid hex string input\n"); | |
206 | goto end; | |
207 | } | |
208 | break; | |
7e1b7485 | 209 | } |
0f113f3e | 210 | } |
7e1b7485 RS |
211 | argc = opt_num_rest(); |
212 | argv = opt_rest(); | |
fd3397fc RL |
213 | if (trusted != NULL |
214 | && (CAfile != NULL || CApath != NULL || CAstore != NULL)) { | |
5b89036c | 215 | BIO_printf(bio_err, |
fd3397fc | 216 | "%s: Cannot use -trusted with -CAfile, -CApath or -CAstore\n", |
5b89036c RS |
217 | prog); |
218 | goto end; | |
219 | } | |
d02b48c6 | 220 | |
fd3397fc RL |
221 | if ((store = setup_verify(CAfile, noCAfile, CApath, noCApath, |
222 | CAstore, noCAstore)) == NULL) | |
7e1b7485 RS |
223 | goto end; |
224 | X509_STORE_set_verify_cb(store, cb); | |
5270e702 | 225 | |
7e1b7485 RS |
226 | if (vpmtouched) |
227 | X509_STORE_set1_param(store, vpm); | |
0f113f3e MC |
228 | |
229 | ERR_clear_error(); | |
230 | ||
0f113f3e | 231 | if (crl_download) |
7e1b7485 | 232 | store_setup_crl_download(store); |
0f113f3e MC |
233 | |
234 | ret = 0; | |
235 | if (argc < 1) { | |
8267becb | 236 | if (check(store, NULL, untrusted, trusted, crls, show_chain, |
237 | sm2_id, sm2_idlen) != 1) | |
0f113f3e MC |
238 | ret = -1; |
239 | } else { | |
240 | for (i = 0; i < argc; i++) | |
a773b52a | 241 | if (check(store, argv[i], untrusted, trusted, crls, |
8267becb | 242 | show_chain, sm2_id, sm2_idlen) != 1) |
0f113f3e MC |
243 | ret = -1; |
244 | } | |
245 | ||
246 | end: | |
875c9a9a PY |
247 | if (sm2_free) |
248 | OPENSSL_free(sm2_id); | |
222561fe RS |
249 | X509_VERIFY_PARAM_free(vpm); |
250 | X509_STORE_free(store); | |
0f113f3e MC |
251 | sk_X509_pop_free(untrusted, X509_free); |
252 | sk_X509_pop_free(trusted, X509_free); | |
253 | sk_X509_CRL_pop_free(crls, X509_CRL_free); | |
dd1abd44 | 254 | release_engine(e); |
7e1b7485 | 255 | return (ret < 0 ? 2 : ret); |
0f113f3e | 256 | } |
d02b48c6 | 257 | |
cc696296 | 258 | static int check(X509_STORE *ctx, const char *file, |
0f113f3e | 259 | STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, |
8267becb | 260 | STACK_OF(X509_CRL) *crls, int show_chain, |
261 | unsigned char *sm2id, size_t sm2idlen) | |
0f113f3e MC |
262 | { |
263 | X509 *x = NULL; | |
264 | int i = 0, ret = 0; | |
265 | X509_STORE_CTX *csc; | |
266 | STACK_OF(X509) *chain = NULL; | |
7f3f41d8 | 267 | int num_untrusted; |
0f113f3e | 268 | |
a773b52a | 269 | x = load_cert(file, FORMAT_PEM, "certificate file"); |
0f113f3e MC |
270 | if (x == NULL) |
271 | goto end; | |
0f113f3e | 272 | |
8267becb | 273 | if (sm2id != NULL) { |
274 | #ifndef OPENSSL_NO_SM2 | |
ccf45361 | 275 | ASN1_OCTET_STRING *v; |
8267becb | 276 | |
ccf45361 PY |
277 | v = ASN1_OCTET_STRING_new(); |
278 | if (v == NULL) { | |
279 | BIO_printf(bio_err, "error: SM2 ID allocation failed\n"); | |
280 | goto end; | |
281 | } | |
8267becb | 282 | |
ccf45361 PY |
283 | if (!ASN1_OCTET_STRING_set(v, sm2id, sm2idlen)) { |
284 | BIO_printf(bio_err, "error: setting SM2 ID failed\n"); | |
285 | ASN1_OCTET_STRING_free(v); | |
286 | goto end; | |
287 | } | |
288 | ||
289 | X509_set0_sm2_id(x, v); | |
8267becb | 290 | #endif |
291 | } | |
292 | ||
0f113f3e MC |
293 | csc = X509_STORE_CTX_new(); |
294 | if (csc == NULL) { | |
ccf45361 PY |
295 | BIO_printf(bio_err, "error %s: X.509 store context allocation failed\n", |
296 | (file == NULL) ? "stdin" : file); | |
0f113f3e MC |
297 | goto end; |
298 | } | |
a392ef20 | 299 | |
0f113f3e MC |
300 | X509_STORE_set_flags(ctx, vflags); |
301 | if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) { | |
aebd0e5c | 302 | X509_STORE_CTX_free(csc); |
ccf45361 PY |
303 | BIO_printf(bio_err, |
304 | "error %s: X.509 store context initialization failed\n", | |
305 | (file == NULL) ? "stdin" : file); | |
0f113f3e MC |
306 | goto end; |
307 | } | |
2234212c | 308 | if (tchain != NULL) |
f0e0fd51 | 309 | X509_STORE_CTX_set0_trusted_stack(csc, tchain); |
2234212c | 310 | if (crls != NULL) |
0f113f3e MC |
311 | X509_STORE_CTX_set0_crls(csc, crls); |
312 | i = X509_verify_cert(csc); | |
d9e309a6 | 313 | if (i > 0 && X509_STORE_CTX_get_error(csc) == X509_V_OK) { |
ccf45361 | 314 | BIO_printf(bio_out, "%s: OK\n", (file == NULL) ? "stdin" : file); |
480405e4 | 315 | ret = 1; |
63c6aa6b VD |
316 | if (show_chain) { |
317 | int j; | |
bb484020 | 318 | |
63c6aa6b VD |
319 | chain = X509_STORE_CTX_get1_chain(csc); |
320 | num_untrusted = X509_STORE_CTX_get_num_untrusted(csc); | |
ccf45361 | 321 | BIO_printf(bio_out, "Chain:\n"); |
63c6aa6b VD |
322 | for (j = 0; j < sk_X509_num(chain); j++) { |
323 | X509 *cert = sk_X509_value(chain, j); | |
ccf45361 | 324 | BIO_printf(bio_out, "depth=%d: ", j); |
63c6aa6b VD |
325 | X509_NAME_print_ex_fp(stdout, |
326 | X509_get_subject_name(cert), | |
b5c4209b | 327 | 0, get_nameopt()); |
63c6aa6b | 328 | if (j < num_untrusted) |
ccf45361 PY |
329 | BIO_printf(bio_out, " (untrusted)"); |
330 | BIO_printf(bio_out, "\n"); | |
63c6aa6b VD |
331 | } |
332 | sk_X509_pop_free(chain, X509_free); | |
333 | } | |
334 | } else { | |
ccf45361 PY |
335 | BIO_printf(bio_err, |
336 | "error %s: verification failed\n", | |
337 | (file == NULL) ? "stdin" : file); | |
7f3f41d8 | 338 | } |
0f113f3e MC |
339 | X509_STORE_CTX_free(csc); |
340 | ||
0f113f3e | 341 | end: |
480405e4 | 342 | if (i <= 0) |
63c6aa6b | 343 | ERR_print_errors(bio_err); |
222561fe | 344 | X509_free(x); |
0f113f3e | 345 | |
480405e4 | 346 | return ret; |
0f113f3e | 347 | } |
d02b48c6 | 348 | |
6d23cf97 | 349 | static int cb(int ok, X509_STORE_CTX *ctx) |
0f113f3e MC |
350 | { |
351 | int cert_error = X509_STORE_CTX_get_error(ctx); | |
352 | X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx); | |
353 | ||
354 | if (!ok) { | |
2234212c | 355 | if (current_cert != NULL) { |
ecf3a1fb RS |
356 | X509_NAME_print_ex(bio_err, |
357 | X509_get_subject_name(current_cert), | |
b5c4209b | 358 | 0, get_nameopt()); |
ecf3a1fb | 359 | BIO_printf(bio_err, "\n"); |
0f113f3e | 360 | } |
63c6aa6b VD |
361 | BIO_printf(bio_err, "%serror %d at %d depth lookup: %s\n", |
362 | X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path] " : "", | |
0f113f3e MC |
363 | cert_error, |
364 | X509_STORE_CTX_get_error_depth(ctx), | |
365 | X509_verify_cert_error_string(cert_error)); | |
9b10986d RL |
366 | |
367 | /* | |
368 | * Pretend that some errors are ok, so they don't stop further | |
369 | * processing of the certificate chain. Setting ok = 1 does this. | |
370 | * After X509_verify_cert() is done, we verify that there were | |
371 | * no actual errors, even if the returned value was positive. | |
372 | */ | |
0f113f3e MC |
373 | switch (cert_error) { |
374 | case X509_V_ERR_NO_EXPLICIT_POLICY: | |
ecf3a1fb | 375 | policies_print(ctx); |
018fcbec | 376 | /* fall thru */ |
0f113f3e | 377 | case X509_V_ERR_CERT_HAS_EXPIRED: |
9b10986d | 378 | /* Continue even if the leaf is a self signed cert */ |
0f113f3e MC |
379 | case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT: |
380 | /* Continue after extension errors too */ | |
381 | case X509_V_ERR_INVALID_CA: | |
382 | case X509_V_ERR_INVALID_NON_CA: | |
383 | case X509_V_ERR_PATH_LENGTH_EXCEEDED: | |
384 | case X509_V_ERR_INVALID_PURPOSE: | |
385 | case X509_V_ERR_CRL_HAS_EXPIRED: | |
386 | case X509_V_ERR_CRL_NOT_YET_VALID: | |
387 | case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION: | |
388 | ok = 1; | |
0f113f3e MC |
389 | } |
390 | ||
391 | return ok; | |
392 | ||
393 | } | |
394 | if (cert_error == X509_V_OK && ok == 2) | |
ecf3a1fb | 395 | policies_print(ctx); |
0f113f3e MC |
396 | if (!v_verbose) |
397 | ERR_clear_error(); | |
26a7d938 | 398 | return ok; |
0f113f3e | 399 | } |