source: EcnlProtoTool/trunk/openssl-1.1.0e/apps/verify.c@ 331

Last change on this file since 331 was 331, checked in by coas-nagasima, 6 years ago

prototoolに関連するプロジェクトをnewlibからmuslを使うよう変更・更新
ntshellをnewlibの下位の実装から、muslのsyscallの実装に変更・更新
以下のOSSをアップデート
・mruby-1.3.0
・musl-1.1.18
・onigmo-6.1.3
・tcc-0.9.27
以下のOSSを追加
・openssl-1.1.0e
・curl-7.57.0
・zlib-1.2.11
以下のmrbgemsを追加
・iij/mruby-digest
・iij/mruby-env
・iij/mruby-errno
・iij/mruby-iijson
・iij/mruby-ipaddr
・iij/mruby-mock
・iij/mruby-require
・iij/mruby-tls-openssl
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc
File size: 10.0 KB
Line 
1/*
2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the OpenSSL license (the "License"). You may not use
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
8 */
9
10#include <stdio.h>
11#include <stdlib.h>
12#include <string.h>
13#include "apps.h"
14#include <openssl/bio.h>
15#include <openssl/err.h>
16#include <openssl/x509.h>
17#include <openssl/x509v3.h>
18#include <openssl/pem.h>
19
20static int cb(int ok, X509_STORE_CTX *ctx);
21static int check(X509_STORE *ctx, const char *file,
22 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
23 STACK_OF(X509_CRL) *crls, int show_chain);
24static int v_verbose = 0, vflags = 0;
25
26typedef enum OPTION_choice {
27 OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
28 OPT_ENGINE, OPT_CAPATH, OPT_CAFILE, OPT_NOCAPATH, OPT_NOCAFILE,
29 OPT_UNTRUSTED, OPT_TRUSTED, OPT_CRLFILE, OPT_CRL_DOWNLOAD, OPT_SHOW_CHAIN,
30 OPT_V_ENUM,
31 OPT_VERBOSE
32} OPTION_CHOICE;
33
34OPTIONS verify_options[] = {
35 {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
36 {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
37 {"help", OPT_HELP, '-', "Display this summary"},
38 {"verbose", OPT_VERBOSE, '-',
39 "Print extra information about the operations being performed."},
40 {"CApath", OPT_CAPATH, '/', "A directory of trusted certificates"},
41 {"CAfile", OPT_CAFILE, '<', "A file of trusted certificates"},
42 {"no-CAfile", OPT_NOCAFILE, '-',
43 "Do not load the default certificates file"},
44 {"no-CApath", OPT_NOCAPATH, '-',
45 "Do not load certificates from the default certificates directory"},
46 {"untrusted", OPT_UNTRUSTED, '<', "A file of untrusted certificates"},
47 {"trusted", OPT_TRUSTED, '<', "A file of trusted certificates"},
48 {"CRLfile", OPT_CRLFILE, '<',
49 "File containing one or more CRL's (in PEM format) to load"},
50 {"crl_download", OPT_CRL_DOWNLOAD, '-',
51 "Attempt to download CRL information for this certificate"},
52 {"show_chain", OPT_SHOW_CHAIN, '-',
53 "Display information about the certificate chain"},
54 OPT_V_OPTIONS,
55#ifndef OPENSSL_NO_ENGINE
56 {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
57#endif
58 {NULL}
59};
60
61int verify_main(int argc, char **argv)
62{
63 ENGINE *e = NULL;
64 STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
65 STACK_OF(X509_CRL) *crls = NULL;
66 X509_STORE *store = NULL;
67 X509_VERIFY_PARAM *vpm = NULL;
68 const char *prog, *CApath = NULL, *CAfile = NULL;
69 int noCApath = 0, noCAfile = 0;
70 int vpmtouched = 0, crl_download = 0, show_chain = 0, i = 0, ret = 1;
71 OPTION_CHOICE o;
72
73 if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
74 goto end;
75
76 prog = opt_init(argc, argv, verify_options);
77 while ((o = opt_next()) != OPT_EOF) {
78 switch (o) {
79 case OPT_EOF:
80 case OPT_ERR:
81 BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
82 goto end;
83 case OPT_HELP:
84 opt_help(verify_options);
85 BIO_printf(bio_err, "Recognized usages:\n");
86 for (i = 0; i < X509_PURPOSE_get_count(); i++) {
87 X509_PURPOSE *ptmp;
88 ptmp = X509_PURPOSE_get0(i);
89 BIO_printf(bio_err, "\t%-10s\t%s\n",
90 X509_PURPOSE_get0_sname(ptmp),
91 X509_PURPOSE_get0_name(ptmp));
92 }
93
94 BIO_printf(bio_err, "Recognized verify names:\n");
95 for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
96 const X509_VERIFY_PARAM *vptmp;
97 vptmp = X509_VERIFY_PARAM_get0(i);
98 BIO_printf(bio_err, "\t%-10s\n",
99 X509_VERIFY_PARAM_get0_name(vptmp));
100 }
101 ret = 0;
102 goto end;
103 case OPT_V_CASES:
104 if (!opt_verify(o, vpm))
105 goto end;
106 vpmtouched++;
107 break;
108 case OPT_CAPATH:
109 CApath = opt_arg();
110 break;
111 case OPT_CAFILE:
112 CAfile = opt_arg();
113 break;
114 case OPT_NOCAPATH:
115 noCApath = 1;
116 break;
117 case OPT_NOCAFILE:
118 noCAfile = 1;
119 break;
120 case OPT_UNTRUSTED:
121 /* Zero or more times */
122 if (!load_certs(opt_arg(), &untrusted, FORMAT_PEM, NULL,
123 "untrusted certificates"))
124 goto end;
125 break;
126 case OPT_TRUSTED:
127 /* Zero or more times */
128 noCAfile = 1;
129 noCApath = 1;
130 if (!load_certs(opt_arg(), &trusted, FORMAT_PEM, NULL,
131 "trusted certificates"))
132 goto end;
133 break;
134 case OPT_CRLFILE:
135 /* Zero or more times */
136 if (!load_crls(opt_arg(), &crls, FORMAT_PEM, NULL,
137 "other CRLs"))
138 goto end;
139 break;
140 case OPT_CRL_DOWNLOAD:
141 crl_download = 1;
142 break;
143 case OPT_ENGINE:
144 if ((e = setup_engine(opt_arg(), 0)) == NULL) {
145 /* Failure message already displayed */
146 goto end;
147 }
148 break;
149 case OPT_SHOW_CHAIN:
150 show_chain = 1;
151 break;
152 case OPT_VERBOSE:
153 v_verbose = 1;
154 break;
155 }
156 }
157 argc = opt_num_rest();
158 argv = opt_rest();
159 if (trusted != NULL && (CAfile || CApath)) {
160 BIO_printf(bio_err,
161 "%s: Cannot use -trusted with -CAfile or -CApath\n",
162 prog);
163 goto end;
164 }
165
166 if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
167 goto end;
168 X509_STORE_set_verify_cb(store, cb);
169
170 if (vpmtouched)
171 X509_STORE_set1_param(store, vpm);
172
173 ERR_clear_error();
174
175 if (crl_download)
176 store_setup_crl_download(store);
177
178 ret = 0;
179 if (argc < 1) {
180 if (check(store, NULL, untrusted, trusted, crls, show_chain) != 1)
181 ret = -1;
182 } else {
183 for (i = 0; i < argc; i++)
184 if (check(store, argv[i], untrusted, trusted, crls,
185 show_chain) != 1)
186 ret = -1;
187 }
188
189 end:
190 X509_VERIFY_PARAM_free(vpm);
191 X509_STORE_free(store);
192 sk_X509_pop_free(untrusted, X509_free);
193 sk_X509_pop_free(trusted, X509_free);
194 sk_X509_CRL_pop_free(crls, X509_CRL_free);
195 release_engine(e);
196 return (ret < 0 ? 2 : ret);
197}
198
199static int check(X509_STORE *ctx, const char *file,
200 STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
201 STACK_OF(X509_CRL) *crls, int show_chain)
202{
203 X509 *x = NULL;
204 int i = 0, ret = 0;
205 X509_STORE_CTX *csc;
206 STACK_OF(X509) *chain = NULL;
207 int num_untrusted;
208
209 x = load_cert(file, FORMAT_PEM, "certificate file");
210 if (x == NULL)
211 goto end;
212
213 csc = X509_STORE_CTX_new();
214 if (csc == NULL) {
215 printf("error %s: X.509 store context allocation failed\n",
216 (file == NULL) ? "stdin" : file);
217 goto end;
218 }
219
220 X509_STORE_set_flags(ctx, vflags);
221 if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
222 printf("error %s: X.509 store context initialization failed\n",
223 (file == NULL) ? "stdin" : file);
224 goto end;
225 }
226 if (tchain)
227 X509_STORE_CTX_set0_trusted_stack(csc, tchain);
228 if (crls)
229 X509_STORE_CTX_set0_crls(csc, crls);
230 i = X509_verify_cert(csc);
231 if (i > 0 && X509_STORE_CTX_get_error(csc) == X509_V_OK) {
232 printf("%s: OK\n", (file == NULL) ? "stdin" : file);
233 ret = 1;
234 if (show_chain) {
235 int j;
236
237 chain = X509_STORE_CTX_get1_chain(csc);
238 num_untrusted = X509_STORE_CTX_get_num_untrusted(csc);
239 printf("Chain:\n");
240 for (j = 0; j < sk_X509_num(chain); j++) {
241 X509 *cert = sk_X509_value(chain, j);
242 printf("depth=%d: ", j);
243 X509_NAME_print_ex_fp(stdout,
244 X509_get_subject_name(cert),
245 0, XN_FLAG_ONELINE);
246 if (j < num_untrusted)
247 printf(" (untrusted)");
248 printf("\n");
249 }
250 sk_X509_pop_free(chain, X509_free);
251 }
252 } else {
253 printf("error %s: verification failed\n", (file == NULL) ? "stdin" : file);
254 }
255 X509_STORE_CTX_free(csc);
256
257 end:
258 if (i <= 0)
259 ERR_print_errors(bio_err);
260 X509_free(x);
261
262 return ret;
263}
264
265static int cb(int ok, X509_STORE_CTX *ctx)
266{
267 int cert_error = X509_STORE_CTX_get_error(ctx);
268 X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
269
270 if (!ok) {
271 if (current_cert) {
272 X509_NAME_print_ex(bio_err,
273 X509_get_subject_name(current_cert),
274 0, XN_FLAG_ONELINE);
275 BIO_printf(bio_err, "\n");
276 }
277 BIO_printf(bio_err, "%serror %d at %d depth lookup: %s\n",
278 X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path] " : "",
279 cert_error,
280 X509_STORE_CTX_get_error_depth(ctx),
281 X509_verify_cert_error_string(cert_error));
282 switch (cert_error) {
283 case X509_V_ERR_NO_EXPLICIT_POLICY:
284 policies_print(ctx);
285 case X509_V_ERR_CERT_HAS_EXPIRED:
286
287 /*
288 * since we are just checking the certificates, it is ok if they
289 * are self signed. But we should still warn the user.
290 */
291 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
292 /* Continue after extension errors too */
293 case X509_V_ERR_INVALID_CA:
294 case X509_V_ERR_INVALID_NON_CA:
295 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
296 case X509_V_ERR_INVALID_PURPOSE:
297 case X509_V_ERR_CRL_HAS_EXPIRED:
298 case X509_V_ERR_CRL_NOT_YET_VALID:
299 case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
300 ok = 1;
301 }
302
303 return ok;
304
305 }
306 if (cert_error == X509_V_OK && ok == 2)
307 policies_print(ctx);
308 if (!v_verbose)
309 ERR_clear_error();
310 return (ok);
311}
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