1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ssl/tsrc/topenssl/src/verify.c Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,373 @@
1.4 +/* apps/verify.c */
1.5 +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
1.6 + * All rights reserved.
1.7 + *
1.8 + * This package is an SSL implementation written
1.9 + * by Eric Young (eay@cryptsoft.com).
1.10 + * The implementation was written so as to conform with Netscapes SSL.
1.11 + *
1.12 + * This library is free for commercial and non-commercial use as long as
1.13 + * the following conditions are aheared to. The following conditions
1.14 + * apply to all code found in this distribution, be it the RC4, RSA,
1.15 + * lhash, DES, etc., code; not just the SSL code. The SSL documentation
1.16 + * included with this distribution is covered by the same copyright terms
1.17 + * except that the holder is Tim Hudson (tjh@cryptsoft.com).
1.18 + *
1.19 + * Copyright remains Eric Young's, and as such any Copyright notices in
1.20 + * the code are not to be removed.
1.21 + * If this package is used in a product, Eric Young should be given attribution
1.22 + * as the author of the parts of the library used.
1.23 + * This can be in the form of a textual message at program startup or
1.24 + * in documentation (online or textual) provided with the package.
1.25 + *
1.26 + * Redistribution and use in source and binary forms, with or without
1.27 + * modification, are permitted provided that the following conditions
1.28 + * are met:
1.29 + * 1. Redistributions of source code must retain the copyright
1.30 + * notice, this list of conditions and the following disclaimer.
1.31 + * 2. Redistributions in binary form must reproduce the above copyright
1.32 + * notice, this list of conditions and the following disclaimer in the
1.33 + * documentation and/or other materials provided with the distribution.
1.34 + * 3. All advertising materials mentioning features or use of this software
1.35 + * must display the following acknowledgement:
1.36 + * "This product includes cryptographic software written by
1.37 + * Eric Young (eay@cryptsoft.com)"
1.38 + * The word 'cryptographic' can be left out if the rouines from the library
1.39 + * being used are not cryptographic related :-).
1.40 + * 4. If you include any Windows specific code (or a derivative thereof) from
1.41 + * the apps directory (application code) you must include an acknowledgement:
1.42 + * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
1.43 + *
1.44 + * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
1.45 + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
1.46 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
1.47 + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
1.48 + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
1.49 + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
1.50 + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
1.51 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
1.52 + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
1.53 + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.54 + * SUCH DAMAGE.
1.55 + *
1.56 + * The licence and distribution terms for any publically available version or
1.57 + * derivative of this code cannot be changed. i.e. this code cannot simply be
1.58 + * copied and put under another distribution licence
1.59 + * [including the GNU Public Licence.]
1.60 + */
1.61 +
1.62 +#include <stdio.h>
1.63 +#include <stdlib.h>
1.64 +#include <string.h>
1.65 +#include "apps.h"
1.66 +#include <openssl/bio.h>
1.67 +#include <openssl/err.h>
1.68 +#include <openssl/x509.h>
1.69 +#include <openssl/x509v3.h>
1.70 +#include <openssl/pem.h>
1.71 +
1.72 +#undef PROG
1.73 +#define PROG verify_main
1.74 +
1.75 +static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
1.76 +static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose, ENGINE *e);
1.77 +static STACK_OF(X509) *load_untrusted(char *file);
1.78 +static int v_verbose=0, vflags = 0;
1.79 +
1.80 +
1.81 +
1.82 +int MAIN(int, char **);
1.83 +
1.84 +int MAIN(int argc, char **argv)
1.85 + {
1.86 + ENGINE *e = NULL;
1.87 + int i,ret=1, badarg = 0;
1.88 + int purpose = -1;
1.89 + char *CApath=NULL,*CAfile=NULL;
1.90 + char *untfile = NULL, *trustfile = NULL;
1.91 + STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
1.92 + X509_STORE *cert_ctx=NULL;
1.93 + X509_LOOKUP *lookup=NULL;
1.94 + X509_VERIFY_PARAM *vpm = NULL;
1.95 +#ifndef OPENSSL_NO_ENGINE
1.96 + char *engine=NULL;
1.97 +#endif
1.98 +
1.99 + cert_ctx=X509_STORE_new();
1.100 + if (cert_ctx == NULL) goto end;
1.101 + X509_STORE_set_verify_cb_func(cert_ctx,cb);
1.102 +
1.103 + ERR_load_crypto_strings();
1.104 +
1.105 + apps_startup();
1.106 +
1.107 + if (bio_err == NULL)
1.108 + if ((bio_err=BIO_new(BIO_s_file())) != NULL)
1.109 + BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
1.110 +
1.111 +
1.112 + if (!load_config(bio_err, NULL))
1.113 + goto end;
1.114 +
1.115 + argc--;
1.116 + argv++;
1.117 + for (;;)
1.118 + {
1.119 + if (argc >= 1)
1.120 + {
1.121 + if (strcmp(*argv,"-CApath") == 0)
1.122 + {
1.123 + if (argc-- < 1) goto end;
1.124 + CApath= *(++argv);
1.125 + }
1.126 + else if (strcmp(*argv,"-CAfile") == 0)
1.127 + {
1.128 + if (argc-- < 1) goto end;
1.129 + CAfile= *(++argv);
1.130 + }
1.131 + else if (args_verify(&argv, &argc, &badarg, bio_err,
1.132 + &vpm))
1.133 + {
1.134 + if (badarg)
1.135 + goto end;
1.136 + continue;
1.137 + }
1.138 + else if (strcmp(*argv,"-untrusted") == 0)
1.139 + {
1.140 + if (argc-- < 1) goto end;
1.141 + untfile= *(++argv);
1.142 + }
1.143 + else if (strcmp(*argv,"-trusted") == 0)
1.144 + {
1.145 + if (argc-- < 1) goto end;
1.146 + trustfile= *(++argv);
1.147 + }
1.148 +#ifndef OPENSSL_NO_ENGINE
1.149 + else if (strcmp(*argv,"-engine") == 0)
1.150 + {
1.151 + if (--argc < 1) goto end;
1.152 + engine= *(++argv);
1.153 + }
1.154 +#endif
1.155 + else if (strcmp(*argv,"-help") == 0)
1.156 + goto end;
1.157 + else if (strcmp(*argv,"-verbose") == 0)
1.158 + v_verbose=1;
1.159 + else if (argv[0][0] == '-')
1.160 + goto end;
1.161 + else
1.162 + break;
1.163 + argc--;
1.164 + argv++;
1.165 + }
1.166 + else
1.167 + break;
1.168 + }
1.169 +
1.170 +#ifndef OPENSSL_NO_ENGINE
1.171 + e = setup_engine(bio_err, engine, 0);
1.172 +#endif
1.173 +
1.174 + if (vpm)
1.175 + X509_STORE_set1_param(cert_ctx, vpm);
1.176 +
1.177 + lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
1.178 + if (lookup == NULL) abort();
1.179 + if (CAfile) {
1.180 + i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM);
1.181 + if(!i) {
1.182 + BIO_printf(bio_err, "Error loading file %s\n", CAfile);
1.183 + ERR_print_errors(bio_err);
1.184 + goto end;
1.185 + }
1.186 + } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
1.187 +
1.188 + lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
1.189 + if (lookup == NULL) abort();
1.190 + if (CApath) {
1.191 + i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM);
1.192 + if(!i) {
1.193 + BIO_printf(bio_err, "Error loading directory %s\n", CApath);
1.194 + ERR_print_errors(bio_err);
1.195 + goto end;
1.196 + }
1.197 + } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
1.198 +
1.199 + ERR_clear_error();
1.200 +
1.201 + if(untfile) {
1.202 + if(!(untrusted = load_untrusted(untfile))) {
1.203 + BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile);
1.204 + ERR_print_errors(bio_err);
1.205 + goto end;
1.206 + }
1.207 + }
1.208 +
1.209 + if(trustfile) {
1.210 + if(!(trusted = load_untrusted(trustfile))) {
1.211 + BIO_printf(bio_err, "Error loading untrusted file %s\n", trustfile);
1.212 + ERR_print_errors(bio_err);
1.213 + goto end;
1.214 + }
1.215 + }
1.216 +
1.217 + if (argc < 1) check(cert_ctx, NULL, untrusted, trusted, purpose, e);
1.218 + else
1.219 + for (i=0; i<argc; i++)
1.220 + check(cert_ctx,argv[i], untrusted, trusted, purpose, e);
1.221 + ret=0;
1.222 +end:
1.223 + if (ret == 1) {
1.224 + BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] [-crl_check]");
1.225 +#ifndef OPENSSL_NO_ENGINE
1.226 + BIO_printf(bio_err," [-engine e]");
1.227 +#endif
1.228 + BIO_printf(bio_err," cert1 cert2 ...\n");
1.229 + BIO_printf(bio_err,"recognized usages:\n");
1.230 + for(i = 0; i < X509_PURPOSE_get_count(); i++) {
1.231 + X509_PURPOSE *ptmp;
1.232 + ptmp = X509_PURPOSE_get0(i);
1.233 + BIO_printf(bio_err, "\t%-10s\t%s\n", X509_PURPOSE_get0_sname(ptmp),
1.234 + X509_PURPOSE_get0_name(ptmp));
1.235 + }
1.236 + }
1.237 + if (vpm) X509_VERIFY_PARAM_free(vpm);
1.238 + if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
1.239 + sk_X509_pop_free(untrusted, X509_free);
1.240 + sk_X509_pop_free(trusted, X509_free);
1.241 + apps_shutdown();
1.242 + OPENSSL_EXIT(ret);
1.243 + }
1.244 +
1.245 +static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose, ENGINE *e)
1.246 + {
1.247 + X509 *x=NULL;
1.248 + int i=0,ret=0;
1.249 + X509_STORE_CTX *csc;
1.250 +
1.251 + x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file");
1.252 + if (x == NULL)
1.253 + goto end;
1.254 + fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);
1.255 +
1.256 + csc = X509_STORE_CTX_new();
1.257 + if (csc == NULL)
1.258 + {
1.259 + ERR_print_errors(bio_err);
1.260 + goto end;
1.261 + }
1.262 + X509_STORE_set_flags(ctx, vflags);
1.263 + if(!X509_STORE_CTX_init(csc,ctx,x,uchain))
1.264 + {
1.265 + ERR_print_errors(bio_err);
1.266 + goto end;
1.267 + }
1.268 + if(tchain) X509_STORE_CTX_trusted_stack(csc, tchain);
1.269 + if(purpose >= 0) X509_STORE_CTX_set_purpose(csc, purpose);
1.270 + i=X509_verify_cert(csc);
1.271 + X509_STORE_CTX_free(csc);
1.272 +
1.273 + ret=0;
1.274 +end:
1.275 + if (i)
1.276 + {
1.277 + fprintf(stdout,"OK\n");
1.278 + ret=1;
1.279 + }
1.280 + else
1.281 + ERR_print_errors(bio_err);
1.282 + if (x != NULL) X509_free(x);
1.283 +
1.284 + return(ret);
1.285 + }
1.286 +
1.287 +static STACK_OF(X509) *load_untrusted(char *certfile)
1.288 +{
1.289 + STACK_OF(X509_INFO) *sk=NULL;
1.290 + STACK_OF(X509) *stack=NULL, *ret=NULL;
1.291 + BIO *in=NULL;
1.292 + X509_INFO *xi;
1.293 +
1.294 + if(!(stack = sk_X509_new_null())) {
1.295 + BIO_printf(bio_err,"memory allocation failure\n");
1.296 + goto end;
1.297 + }
1.298 +
1.299 + if(!(in=BIO_new_file(certfile, "r"))) {
1.300 + BIO_printf(bio_err,"error opening the file, %s\n",certfile);
1.301 + goto end;
1.302 + }
1.303 +
1.304 + /* This loads from a file, a stack of x509/crl/pkey sets */
1.305 + if(!(sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) {
1.306 + BIO_printf(bio_err,"error reading the file, %s\n",certfile);
1.307 + goto end;
1.308 + }
1.309 +
1.310 + /* scan over it and pull out the certs */
1.311 + while (sk_X509_INFO_num(sk))
1.312 + {
1.313 + xi=sk_X509_INFO_shift(sk);
1.314 + if (xi->x509 != NULL)
1.315 + {
1.316 + sk_X509_push(stack,xi->x509);
1.317 + xi->x509=NULL;
1.318 + }
1.319 + X509_INFO_free(xi);
1.320 + }
1.321 + if(!sk_X509_num(stack)) {
1.322 + BIO_printf(bio_err,"no certificates in file, %s\n",certfile);
1.323 + sk_X509_free(stack);
1.324 + goto end;
1.325 + }
1.326 + ret=stack;
1.327 +end:
1.328 + BIO_free(in);
1.329 + sk_X509_INFO_free(sk);
1.330 + return(ret);
1.331 + }
1.332 +
1.333 +static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
1.334 + {
1.335 + char buf[256];
1.336 +
1.337 + if (!ok)
1.338 + {
1.339 + if (ctx->current_cert)
1.340 + {
1.341 + X509_NAME_oneline(
1.342 + X509_get_subject_name(ctx->current_cert),buf,
1.343 + sizeof buf);
1.344 + printf("%s\n",buf);
1.345 + }
1.346 + printf("error %d at %d depth lookup:%s\n",ctx->error,
1.347 + ctx->error_depth,
1.348 + X509_verify_cert_error_string(ctx->error));
1.349 + if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED) ok=1;
1.350 + /* since we are just checking the certificates, it is
1.351 + * ok if they are self signed. But we should still warn
1.352 + * the user.
1.353 + */
1.354 + if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
1.355 + /* Continue after extension errors too */
1.356 + if (ctx->error == X509_V_ERR_INVALID_CA) ok=1;
1.357 + if (ctx->error == X509_V_ERR_INVALID_NON_CA) ok=1;
1.358 + if (ctx->error == X509_V_ERR_PATH_LENGTH_EXCEEDED) ok=1;
1.359 + if (ctx->error == X509_V_ERR_INVALID_PURPOSE) ok=1;
1.360 + if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1;
1.361 + if (ctx->error == X509_V_ERR_CRL_HAS_EXPIRED) ok=1;
1.362 + if (ctx->error == X509_V_ERR_CRL_NOT_YET_VALID) ok=1;
1.363 + if (ctx->error == X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION) ok=1;
1.364 +
1.365 + if (ctx->error == X509_V_ERR_NO_EXPLICIT_POLICY)
1.366 + policies_print(NULL, ctx);
1.367 + return ok;
1.368 +
1.369 + }
1.370 + if ((ctx->error == X509_V_OK) && (ok == 2))
1.371 + policies_print(NULL, ctx);
1.372 + if (!v_verbose)
1.373 + ERR_clear_error();
1.374 + return(ok);
1.375 + }
1.376 +