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Diffstat (limited to 'apps/verify.c')
| -rw-r--r-- | apps/verify.c | 240 |
1 files changed, 240 insertions, 0 deletions
diff --git a/apps/verify.c b/apps/verify.c new file mode 100644 index 0000000000..809f4c43fa --- /dev/null +++ b/apps/verify.c @@ -0,0 +1,240 @@ +/* apps/verify.c */ +/* Copyright (C) 1995-1997 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 "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(); +#endif + +static int v_verbose=0; + +int MAIN(argc, argv) +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); + + 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); + + + 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(ctx,file) +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(ok,ctx) +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); + } + |