-/* apps/verify.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
*
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "apps.h"
-#include "bio.h"
-#include "err.h"
-#include "x509.h"
-#include "pem.h"
-
-#undef PROG
-#define PROG verify_main
-
-#ifndef NOPROTO
-static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx);
-static int check(X509_STORE *ctx,char *file);
-#else
-static int MS_CALLBACK cb();
-static int check();
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/x509.h>
+#include <openssl/x509v3.h>
+#include <openssl/pem.h>
+
+static int cb(int ok, X509_STORE_CTX *ctx);
+static int check(X509_STORE *ctx, const char *file,
+ STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
+ STACK_OF(X509_CRL) *crls, int show_chain);
+static int v_verbose = 0, vflags = 0;
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_ENGINE, OPT_CAPATH, OPT_CAFILE, OPT_NOCAPATH, OPT_NOCAFILE,
+ OPT_UNTRUSTED, OPT_TRUSTED, OPT_CRLFILE, OPT_CRL_DOWNLOAD, OPT_SHOW_CHAIN,
+ OPT_V_ENUM,
+ OPT_VERBOSE
+} OPTION_CHOICE;
+
+const OPTIONS verify_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] cert.pem...\n"},
+ {OPT_HELP_STR, 1, '-', "Valid options are:\n"},
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"verbose", OPT_VERBOSE, '-',
+ "Print extra information about the operations being performed."},
+ {"CApath", OPT_CAPATH, '/', "A directory of trusted certificates"},
+ {"CAfile", OPT_CAFILE, '<', "A file of trusted certificates"},
+ {"no-CAfile", OPT_NOCAFILE, '-',
+ "Do not load the default certificates file"},
+ {"no-CApath", OPT_NOCAPATH, '-',
+ "Do not load certificates from the default certificates directory"},
+ {"untrusted", OPT_UNTRUSTED, '<', "A file of untrusted certificates"},
+ {"trusted", OPT_TRUSTED, '<', "A file of trusted certificates"},
+ {"CRLfile", OPT_CRLFILE, '<',
+ "File containing one or more CRL's (in PEM format) to load"},
+ {"crl_download", OPT_CRL_DOWNLOAD, '-',
+ "Attempt to download CRL information for this certificate"},
+ {"show_chain", OPT_SHOW_CHAIN, '-',
+ "Display information about the certificate chain"},
+ OPT_V_OPTIONS,
+#ifndef OPENSSL_NO_ENGINE
+ {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
#endif
+ {NULL}
+};
+
+int verify_main(int argc, char **argv)
+{
+ ENGINE *e = NULL;
+ STACK_OF(X509) *untrusted = NULL, *trusted = NULL;
+ STACK_OF(X509_CRL) *crls = NULL;
+ X509_STORE *store = NULL;
+ X509_VERIFY_PARAM *vpm = NULL;
+ const char *prog, *CApath = NULL, *CAfile = NULL;
+ int noCApath = 0, noCAfile = 0;
+ int vpmtouched = 0, crl_download = 0, show_chain = 0, i = 0, ret = 1;
+ OPTION_CHOICE o;
+
+ if ((vpm = X509_VERIFY_PARAM_new()) == NULL)
+ goto end;
+
+ prog = opt_init(argc, argv, verify_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ case OPT_HELP:
+ opt_help(verify_options);
+ BIO_printf(bio_err, "Recognized usages:\n");
+ for (i = 0; i < X509_PURPOSE_get_count(); i++) {
+ X509_PURPOSE *ptmp;
+ ptmp = X509_PURPOSE_get0(i);
+ BIO_printf(bio_err, "\t%-10s\t%s\n",
+ X509_PURPOSE_get0_sname(ptmp),
+ X509_PURPOSE_get0_name(ptmp));
+ }
+
+ BIO_printf(bio_err, "Recognized verify names:\n");
+ for (i = 0; i < X509_VERIFY_PARAM_get_count(); i++) {
+ const X509_VERIFY_PARAM *vptmp;
+ vptmp = X509_VERIFY_PARAM_get0(i);
+ BIO_printf(bio_err, "\t%-10s\n",
+ X509_VERIFY_PARAM_get0_name(vptmp));
+ }
+ ret = 0;
+ goto end;
+ case OPT_V_CASES:
+ if (!opt_verify(o, vpm))
+ goto end;
+ vpmtouched++;
+ break;
+ case OPT_CAPATH:
+ CApath = opt_arg();
+ break;
+ case OPT_CAFILE:
+ CAfile = opt_arg();
+ break;
+ case OPT_NOCAPATH:
+ noCApath = 1;
+ break;
+ case OPT_NOCAFILE:
+ noCAfile = 1;
+ break;
+ case OPT_UNTRUSTED:
+ /* Zero or more times */
+ if (!load_certs(opt_arg(), &untrusted, FORMAT_PEM, NULL,
+ "untrusted certificates"))
+ goto end;
+ break;
+ case OPT_TRUSTED:
+ /* Zero or more times */
+ noCAfile = 1;
+ noCApath = 1;
+ if (!load_certs(opt_arg(), &trusted, FORMAT_PEM, NULL,
+ "trusted certificates"))
+ goto end;
+ break;
+ case OPT_CRLFILE:
+ /* Zero or more times */
+ if (!load_crls(opt_arg(), &crls, FORMAT_PEM, NULL,
+ "other CRLs"))
+ goto end;
+ break;
+ case OPT_CRL_DOWNLOAD:
+ crl_download = 1;
+ break;
+ case OPT_ENGINE:
+ if ((e = setup_engine(opt_arg(), 0)) == NULL) {
+ /* Failure message already displayed */
+ goto end;
+ }
+ break;
+ case OPT_SHOW_CHAIN:
+ show_chain = 1;
+ break;
+ case OPT_VERBOSE:
+ v_verbose = 1;
+ break;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
+ if (trusted != NULL && (CAfile || CApath)) {
+ BIO_printf(bio_err,
+ "%s: Cannot use -trusted with -CAfile or -CApath\n",
+ prog);
+ goto end;
+ }
+
+ if ((store = setup_verify(CAfile, CApath, noCAfile, noCApath)) == NULL)
+ goto end;
+ X509_STORE_set_verify_cb(store, cb);
+
+ if (vpmtouched)
+ X509_STORE_set1_param(store, vpm);
+
+ ERR_clear_error();
+
+ if (crl_download)
+ store_setup_crl_download(store);
+
+ ret = 0;
+ if (argc < 1) {
+ if (check(store, NULL, untrusted, trusted, crls, show_chain) != 1)
+ ret = -1;
+ } else {
+ for (i = 0; i < argc; i++)
+ if (check(store, argv[i], untrusted, trusted, crls,
+ show_chain) != 1)
+ ret = -1;
+ }
+
+ end:
+ X509_VERIFY_PARAM_free(vpm);
+ X509_STORE_free(store);
+ sk_X509_pop_free(untrusted, X509_free);
+ sk_X509_pop_free(trusted, X509_free);
+ sk_X509_CRL_pop_free(crls, X509_CRL_free);
+ release_engine(e);
+ return (ret < 0 ? 2 : ret);
+}
+
+static int check(X509_STORE *ctx, const char *file,
+ STACK_OF(X509) *uchain, STACK_OF(X509) *tchain,
+ STACK_OF(X509_CRL) *crls, int show_chain)
+{
+ X509 *x = NULL;
+ int i = 0, ret = 0;
+ X509_STORE_CTX *csc;
+ STACK_OF(X509) *chain = NULL;
+ int num_untrusted;
+
+ x = load_cert(file, FORMAT_PEM, "certificate file");
+ if (x == NULL)
+ goto end;
+
+ csc = X509_STORE_CTX_new();
+ if (csc == NULL) {
+ printf("error %s: X.509 store context allocation failed\n",
+ (file == NULL) ? "stdin" : file);
+ goto end;
+ }
+
+ X509_STORE_set_flags(ctx, vflags);
+ if (!X509_STORE_CTX_init(csc, ctx, x, uchain)) {
+ printf("error %s: X.509 store context initialization failed\n",
+ (file == NULL) ? "stdin" : file);
+ goto end;
+ }
+ if (tchain)
+ X509_STORE_CTX_set0_trusted_stack(csc, tchain);
+ if (crls)
+ X509_STORE_CTX_set0_crls(csc, crls);
+ i = X509_verify_cert(csc);
+ if (i > 0 && X509_STORE_CTX_get_error(csc) == X509_V_OK) {
+ printf("%s: OK\n", (file == NULL) ? "stdin" : file);
+ ret = 1;
+ if (show_chain) {
+ int j;
+
+ chain = X509_STORE_CTX_get1_chain(csc);
+ num_untrusted = X509_STORE_CTX_get_num_untrusted(csc);
+ printf("Chain:\n");
+ for (j = 0; j < sk_X509_num(chain); j++) {
+ X509 *cert = sk_X509_value(chain, j);
+ printf("depth=%d: ", j);
+ X509_NAME_print_ex_fp(stdout,
+ X509_get_subject_name(cert),
+ 0, XN_FLAG_ONELINE);
+ if (j < num_untrusted)
+ printf(" (untrusted)");
+ printf("\n");
+ }
+ sk_X509_pop_free(chain, X509_free);
+ }
+ } else {
+ printf("error %s: verification failed\n", (file == NULL) ? "stdin" : file);
+ }
+ X509_STORE_CTX_free(csc);
+
+ end:
+ if (i <= 0)
+ ERR_print_errors(bio_err);
+ X509_free(x);
+
+ return ret;
+}
+
+static int cb(int ok, X509_STORE_CTX *ctx)
+{
+ int cert_error = X509_STORE_CTX_get_error(ctx);
+ X509 *current_cert = X509_STORE_CTX_get_current_cert(ctx);
+
+ if (!ok) {
+ if (current_cert) {
+ X509_NAME_print_ex(bio_err,
+ X509_get_subject_name(current_cert),
+ 0, XN_FLAG_ONELINE);
+ BIO_printf(bio_err, "\n");
+ }
+ BIO_printf(bio_err, "%serror %d at %d depth lookup: %s\n",
+ X509_STORE_CTX_get0_parent_ctx(ctx) ? "[CRL path] " : "",
+ cert_error,
+ X509_STORE_CTX_get_error_depth(ctx),
+ X509_verify_cert_error_string(cert_error));
+ switch (cert_error) {
+ case X509_V_ERR_NO_EXPLICIT_POLICY:
+ policies_print(ctx);
+ case X509_V_ERR_CERT_HAS_EXPIRED:
+
+ /*
+ * since we are just checking the certificates, it is ok if they
+ * are self signed. But we should still warn the user.
+ */
+ case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
+ /* Continue after extension errors too */
+ case X509_V_ERR_INVALID_CA:
+ case X509_V_ERR_INVALID_NON_CA:
+ case X509_V_ERR_PATH_LENGTH_EXCEEDED:
+ case X509_V_ERR_INVALID_PURPOSE:
+ case X509_V_ERR_CRL_HAS_EXPIRED:
+ case X509_V_ERR_CRL_NOT_YET_VALID:
+ case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
+ ok = 1;
+ }
-static int v_verbose=0;
-
-int MAIN(int argc, char **argv)
- {
- int i,ret=1;
- char *CApath=NULL,*CAfile=NULL;
- X509_STORE *cert_ctx=NULL;
- X509_LOOKUP *lookup=NULL;
-
- cert_ctx=X509_STORE_new();
- if (cert_ctx == NULL) goto end;
- X509_STORE_set_verify_cb_func(cert_ctx,cb);
-
- ERR_load_crypto_strings();
-
- apps_startup();
-
- if (bio_err == NULL)
- if ((bio_err=BIO_new(BIO_s_file())) != NULL)
- BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
-
- argc--;
- argv++;
- for (;;)
- {
- if (argc >= 1)
- {
- if (strcmp(*argv,"-CApath") == 0)
- {
- if (argc-- < 1) goto end;
- CApath= *(++argv);
- }
- else if (strcmp(*argv,"-CAfile") == 0)
- {
- if (argc-- < 1) goto end;
- CAfile= *(++argv);
- }
- else if (strcmp(*argv,"-help") == 0)
- goto end;
- else if (strcmp(*argv,"-verbose") == 0)
- v_verbose=1;
- else if (argv[0][0] == '-')
- goto end;
- else
- break;
- argc--;
- argv++;
- }
- else
- break;
- }
-
- lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file());
- if (lookup == NULL) abort();
- if (!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM))
- X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT);
-
- lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_hash_dir());
- if (lookup == NULL) abort();
- if (!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM))
- X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT);
-
-
- ERR_clear_error();
- if (argc < 1) check(cert_ctx,NULL);
- else
- for (i=0; i<argc; i++)
- check(cert_ctx,argv[i]);
- ret=0;
-end:
- if (ret == 1)
- BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] cert1 cert2 ...\n");
- if (cert_ctx != NULL) X509_STORE_free(cert_ctx);
- EXIT(ret);
- }
-
-static int check(X509_STORE *ctx, char *file)
- {
- X509 *x=NULL;
- BIO *in=NULL;
- int i=0,ret=0;
- X509_STORE_CTX csc;
-
- in=BIO_new(BIO_s_file());
- if (in == NULL)
- {
- ERR_print_errors(bio_err);
- goto end;
- }
-
- if (file == NULL)
- BIO_set_fp(in,stdin,BIO_NOCLOSE);
- else
- {
- if (BIO_read_filename(in,file) <= 0)
- {
- perror(file);
- goto end;
- }
- }
-
- x=PEM_read_bio_X509(in,NULL,NULL);
- if (x == NULL)
- {
- fprintf(stdout,"%s: unable to load certificate file\n",
- (file == NULL)?"stdin":file);
- ERR_print_errors(bio_err);
- goto end;
- }
- fprintf(stdout,"%s: ",(file == NULL)?"stdin":file);
-
- X509_STORE_CTX_init(&csc,ctx,x,NULL);
- i=X509_verify_cert(&csc);
- X509_STORE_CTX_cleanup(&csc);
-
- ret=0;
-end:
- if (i)
- {
- fprintf(stdout,"OK\n");
- ret=1;
- }
- else
- ERR_print_errors(bio_err);
- if (x != NULL) X509_free(x);
- if (in != NULL) BIO_free(in);
-
- return(ret);
- }
-
-static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx)
- {
- char buf[256];
-
- if (!ok)
- {
- /* since we are just checking the certificates, it is
- * ok if they are self signed. */
- if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT)
- ok=1;
- else
- {
- X509_NAME_oneline(
- X509_get_subject_name(ctx->current_cert),buf,256);
- printf("%s\n",buf);
- printf("error %d at %d depth lookup:%s\n",ctx->error,
- ctx->error_depth,
- X509_verify_cert_error_string(ctx->error));
- if (ctx->error == X509_V_ERR_CERT_HAS_EXPIRED)
- ok=1;
- }
- }
- if (!v_verbose)
- ERR_clear_error();
- return(ok);
- }
+ return ok;
+ }
+ if (cert_error == X509_V_OK && ok == 2)
+ policies_print(ctx);
+ if (!v_verbose)
+ ERR_clear_error();
+ return (ok);
+}
projects / openssl.git / blobdiff