diff options
Diffstat (limited to 'openssl/apps/verify.c')
-rw-r--r-- | openssl/apps/verify.c | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/openssl/apps/verify.c b/openssl/apps/verify.c new file mode 100644 index 000000000..20cc9e354 --- /dev/null +++ b/openssl/apps/verify.c @@ -0,0 +1,369 @@ +/* apps/verify.c */ +/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) + * 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.] + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "apps.h" +#include <openssl/bio.h> +#include <openssl/err.h> +#include <openssl/x509.h> +#include <openssl/x509v3.h> +#include <openssl/pem.h> + +#undef PROG +#define PROG verify_main + +static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx); +static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose, ENGINE *e); +static STACK_OF(X509) *load_untrusted(char *file); +static int v_verbose=0, vflags = 0; + +int MAIN(int, char **); + +int MAIN(int argc, char **argv) + { + ENGINE *e = NULL; + int i,ret=1, badarg = 0; + int purpose = -1; + char *CApath=NULL,*CAfile=NULL; + char *untfile = NULL, *trustfile = NULL; + STACK_OF(X509) *untrusted = NULL, *trusted = NULL; + X509_STORE *cert_ctx=NULL; + X509_LOOKUP *lookup=NULL; + X509_VERIFY_PARAM *vpm = NULL; +#ifndef OPENSSL_NO_ENGINE + char *engine=NULL; +#endif + + 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); + + if (!load_config(bio_err, NULL)) + goto end; + + 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 (args_verify(&argv, &argc, &badarg, bio_err, + &vpm)) + { + if (badarg) + goto end; + continue; + } + else if (strcmp(*argv,"-untrusted") == 0) + { + if (argc-- < 1) goto end; + untfile= *(++argv); + } + else if (strcmp(*argv,"-trusted") == 0) + { + if (argc-- < 1) goto end; + trustfile= *(++argv); + } +#ifndef OPENSSL_NO_ENGINE + else if (strcmp(*argv,"-engine") == 0) + { + if (--argc < 1) goto end; + engine= *(++argv); + } +#endif + 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; + } + +#ifndef OPENSSL_NO_ENGINE + e = setup_engine(bio_err, engine, 0); +#endif + + if (vpm) + X509_STORE_set1_param(cert_ctx, vpm); + + lookup=X509_STORE_add_lookup(cert_ctx,X509_LOOKUP_file()); + if (lookup == NULL) abort(); + if (CAfile) { + i=X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM); + if(!i) { + BIO_printf(bio_err, "Error loading file %s\n", CAfile); + ERR_print_errors(bio_err); + goto end; + } + } else 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 (CApath) { + i=X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM); + if(!i) { + BIO_printf(bio_err, "Error loading directory %s\n", CApath); + ERR_print_errors(bio_err); + goto end; + } + } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); + + ERR_clear_error(); + + if(untfile) { + if(!(untrusted = load_untrusted(untfile))) { + BIO_printf(bio_err, "Error loading untrusted file %s\n", untfile); + ERR_print_errors(bio_err); + goto end; + } + } + + if(trustfile) { + if(!(trusted = load_untrusted(trustfile))) { + BIO_printf(bio_err, "Error loading untrusted file %s\n", trustfile); + ERR_print_errors(bio_err); + goto end; + } + } + + if (argc < 1) check(cert_ctx, NULL, untrusted, trusted, purpose, e); + else + for (i=0; i<argc; i++) + check(cert_ctx,argv[i], untrusted, trusted, purpose, e); + ret=0; +end: + if (ret == 1) { + BIO_printf(bio_err,"usage: verify [-verbose] [-CApath path] [-CAfile file] [-purpose purpose] [-crl_check]"); +#ifndef OPENSSL_NO_ENGINE + BIO_printf(bio_err," [-engine e]"); +#endif + BIO_printf(bio_err," cert1 cert2 ...\n"); + 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)); + } + } + if (vpm) X509_VERIFY_PARAM_free(vpm); + if (cert_ctx != NULL) X509_STORE_free(cert_ctx); + sk_X509_pop_free(untrusted, X509_free); + sk_X509_pop_free(trusted, X509_free); + apps_shutdown(); + OPENSSL_EXIT(ret); + } + +static int check(X509_STORE *ctx, char *file, STACK_OF(X509) *uchain, STACK_OF(X509) *tchain, int purpose, ENGINE *e) + { + X509 *x=NULL; + int i=0,ret=0; + X509_STORE_CTX *csc; + + x = load_cert(bio_err, file, FORMAT_PEM, NULL, e, "certificate file"); + if (x == NULL) + goto end; + fprintf(stdout,"%s: ",(file == NULL)?"stdin":file); + + csc = X509_STORE_CTX_new(); + if (csc == NULL) + { + ERR_print_errors(bio_err); + goto end; + } + X509_STORE_set_flags(ctx, vflags); + if(!X509_STORE_CTX_init(csc,ctx,x,uchain)) + { + ERR_print_errors(bio_err); + goto end; + } + if(tchain) X509_STORE_CTX_trusted_stack(csc, tchain); + if(purpose >= 0) X509_STORE_CTX_set_purpose(csc, purpose); + i=X509_verify_cert(csc); + X509_STORE_CTX_free(csc); + + ret=0; +end: + if (i > 0) + { + fprintf(stdout,"OK\n"); + ret=1; + } + else + ERR_print_errors(bio_err); + if (x != NULL) X509_free(x); + + return(ret); + } + +static STACK_OF(X509) *load_untrusted(char *certfile) +{ + STACK_OF(X509_INFO) *sk=NULL; + STACK_OF(X509) *stack=NULL, *ret=NULL; + BIO *in=NULL; + X509_INFO *xi; + + if(!(stack = sk_X509_new_null())) { + BIO_printf(bio_err,"memory allocation failure\n"); + goto end; + } + + if(!(in=BIO_new_file(certfile, "r"))) { + BIO_printf(bio_err,"error opening the file, %s\n",certfile); + goto end; + } + + /* This loads from a file, a stack of x509/crl/pkey sets */ + if(!(sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL))) { + BIO_printf(bio_err,"error reading the file, %s\n",certfile); + goto end; + } + + /* scan over it and pull out the certs */ + while (sk_X509_INFO_num(sk)) + { + xi=sk_X509_INFO_shift(sk); + if (xi->x509 != NULL) + { + sk_X509_push(stack,xi->x509); + xi->x509=NULL; + } + X509_INFO_free(xi); + } + if(!sk_X509_num(stack)) { + BIO_printf(bio_err,"no certificates in file, %s\n",certfile); + sk_X509_free(stack); + goto end; + } + ret=stack; +end: + BIO_free(in); + sk_X509_INFO_free(sk); + return(ret); + } + +static int MS_CALLBACK cb(int ok, X509_STORE_CTX *ctx) + { + char buf[256]; + + if (!ok) + { + if (ctx->current_cert) + { + X509_NAME_oneline( + X509_get_subject_name(ctx->current_cert),buf, + sizeof buf); + 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; + /* since we are just checking the certificates, it is + * ok if they are self signed. But we should still warn + * the user. + */ + if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1; + /* Continue after extension errors too */ + if (ctx->error == X509_V_ERR_INVALID_CA) ok=1; + if (ctx->error == X509_V_ERR_INVALID_NON_CA) ok=1; + if (ctx->error == X509_V_ERR_PATH_LENGTH_EXCEEDED) ok=1; + if (ctx->error == X509_V_ERR_INVALID_PURPOSE) ok=1; + if (ctx->error == X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT) ok=1; + if (ctx->error == X509_V_ERR_CRL_HAS_EXPIRED) ok=1; + if (ctx->error == X509_V_ERR_CRL_NOT_YET_VALID) ok=1; + if (ctx->error == X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION) ok=1; + + if (ctx->error == X509_V_ERR_NO_EXPLICIT_POLICY) + policies_print(NULL, ctx); + return ok; + + } + if ((ctx->error == X509_V_OK) && (ok == 2)) + policies_print(NULL, ctx); + if (!v_verbose) + ERR_clear_error(); + return(ok); + } |