155714Skris/* apps/crl2p7.c */ 255714Skris/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 355714Skris * All rights reserved. 455714Skris * 555714Skris * This package is an SSL implementation written 655714Skris * by Eric Young (eay@cryptsoft.com). 755714Skris * The implementation was written so as to conform with Netscapes SSL. 8296341Sdelphij * 955714Skris * This library is free for commercial and non-commercial use as long as 1055714Skris * the following conditions are aheared to. The following conditions 1155714Skris * apply to all code found in this distribution, be it the RC4, RSA, 1255714Skris * lhash, DES, etc., code; not just the SSL code. The SSL documentation 1355714Skris * included with this distribution is covered by the same copyright terms 1455714Skris * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15296341Sdelphij * 1655714Skris * Copyright remains Eric Young's, and as such any Copyright notices in 1755714Skris * the code are not to be removed. 1855714Skris * If this package is used in a product, Eric Young should be given attribution 1955714Skris * as the author of the parts of the library used. 2055714Skris * This can be in the form of a textual message at program startup or 2155714Skris * in documentation (online or textual) provided with the package. 22296341Sdelphij * 2355714Skris * Redistribution and use in source and binary forms, with or without 2455714Skris * modification, are permitted provided that the following conditions 2555714Skris * are met: 2655714Skris * 1. Redistributions of source code must retain the copyright 2755714Skris * notice, this list of conditions and the following disclaimer. 2855714Skris * 2. Redistributions in binary form must reproduce the above copyright 2955714Skris * notice, this list of conditions and the following disclaimer in the 3055714Skris * documentation and/or other materials provided with the distribution. 3155714Skris * 3. All advertising materials mentioning features or use of this software 3255714Skris * must display the following acknowledgement: 3355714Skris * "This product includes cryptographic software written by 3455714Skris * Eric Young (eay@cryptsoft.com)" 3555714Skris * The word 'cryptographic' can be left out if the rouines from the library 3655714Skris * being used are not cryptographic related :-). 37296341Sdelphij * 4. If you include any Windows specific code (or a derivative thereof) from 3855714Skris * the apps directory (application code) you must include an acknowledgement: 3955714Skris * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40296341Sdelphij * 4155714Skris * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 4255714Skris * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 4355714Skris * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 4455714Skris * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 4555714Skris * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 4655714Skris * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 4755714Skris * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 4855714Skris * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 4955714Skris * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 5055714Skris * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 5155714Skris * SUCH DAMAGE. 52296341Sdelphij * 5355714Skris * The licence and distribution terms for any publically available version or 5455714Skris * derivative of this code cannot be changed. i.e. this code cannot simply be 5555714Skris * copied and put under another distribution licence 5655714Skris * [including the GNU Public Licence.] 5755714Skris */ 5855714Skris 59296341Sdelphij/* 60296341Sdelphij * This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu> and 61296341Sdelphij * donated 'to the cause' along with lots and lots of other fixes to the 62296341Sdelphij * library. 63296341Sdelphij */ 6455714Skris 6555714Skris#include <stdio.h> 6655714Skris#include <string.h> 6755714Skris#include <sys/types.h> 6855714Skris#include "apps.h" 6955714Skris#include <openssl/err.h> 7055714Skris#include <openssl/evp.h> 7155714Skris#include <openssl/x509.h> 7255714Skris#include <openssl/pkcs7.h> 7355714Skris#include <openssl/pem.h> 7455714Skris#include <openssl/objects.h> 7555714Skris 7655714Skrisstatic int add_certs_from_file(STACK_OF(X509) *stack, char *certfile); 7755714Skris#undef PROG 78296341Sdelphij#define PROG crl2pkcs7_main 7955714Skris 80296341Sdelphij/*- 81296341Sdelphij * -inform arg - input format - default PEM (DER or PEM) 8255714Skris * -outform arg - output format - default PEM 83296341Sdelphij * -in arg - input file - default stdin 84296341Sdelphij * -out arg - output file - default stdout 8555714Skris */ 8655714Skris 8759191Skrisint MAIN(int, char **); 8859191Skris 8955714Skrisint MAIN(int argc, char **argv) 90296341Sdelphij{ 91296341Sdelphij int i, badops = 0; 92296341Sdelphij BIO *in = NULL, *out = NULL; 93296341Sdelphij int informat, outformat; 94296341Sdelphij char *infile, *outfile, *prog, *certfile; 95296341Sdelphij PKCS7 *p7 = NULL; 96296341Sdelphij PKCS7_SIGNED *p7s = NULL; 97296341Sdelphij X509_CRL *crl = NULL; 98296341Sdelphij STACK_OF(OPENSSL_STRING) *certflst = NULL; 99296341Sdelphij STACK_OF(X509_CRL) *crl_stack = NULL; 100296341Sdelphij STACK_OF(X509) *cert_stack = NULL; 101296341Sdelphij int ret = 1, nocrl = 0; 10255714Skris 103296341Sdelphij apps_startup(); 10455714Skris 105296341Sdelphij if (bio_err == NULL) 106296341Sdelphij if ((bio_err = BIO_new(BIO_s_file())) != NULL) 107296341Sdelphij BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT); 10855714Skris 109296341Sdelphij infile = NULL; 110296341Sdelphij outfile = NULL; 111296341Sdelphij informat = FORMAT_PEM; 112296341Sdelphij outformat = FORMAT_PEM; 11355714Skris 114296341Sdelphij prog = argv[0]; 115296341Sdelphij argc--; 116296341Sdelphij argv++; 117296341Sdelphij while (argc >= 1) { 118296341Sdelphij if (strcmp(*argv, "-inform") == 0) { 119296341Sdelphij if (--argc < 1) 120296341Sdelphij goto bad; 121296341Sdelphij informat = str2fmt(*(++argv)); 122296341Sdelphij } else if (strcmp(*argv, "-outform") == 0) { 123296341Sdelphij if (--argc < 1) 124296341Sdelphij goto bad; 125296341Sdelphij outformat = str2fmt(*(++argv)); 126296341Sdelphij } else if (strcmp(*argv, "-in") == 0) { 127296341Sdelphij if (--argc < 1) 128296341Sdelphij goto bad; 129296341Sdelphij infile = *(++argv); 130296341Sdelphij } else if (strcmp(*argv, "-nocrl") == 0) { 131296341Sdelphij nocrl = 1; 132296341Sdelphij } else if (strcmp(*argv, "-out") == 0) { 133296341Sdelphij if (--argc < 1) 134296341Sdelphij goto bad; 135296341Sdelphij outfile = *(++argv); 136296341Sdelphij } else if (strcmp(*argv, "-certfile") == 0) { 137296341Sdelphij if (--argc < 1) 138296341Sdelphij goto bad; 139296341Sdelphij if (!certflst) 140296341Sdelphij certflst = sk_OPENSSL_STRING_new_null(); 141296341Sdelphij if (!certflst) 142296341Sdelphij goto end; 143296341Sdelphij if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) { 144296341Sdelphij sk_OPENSSL_STRING_free(certflst); 145296341Sdelphij goto end; 146296341Sdelphij } 147296341Sdelphij } else { 148296341Sdelphij BIO_printf(bio_err, "unknown option %s\n", *argv); 149296341Sdelphij badops = 1; 150296341Sdelphij break; 151296341Sdelphij } 152296341Sdelphij argc--; 153296341Sdelphij argv++; 154296341Sdelphij } 15555714Skris 156296341Sdelphij if (badops) { 157296341Sdelphij bad: 158296341Sdelphij BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); 159296341Sdelphij BIO_printf(bio_err, "where options are\n"); 160296341Sdelphij BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); 161296341Sdelphij BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); 162296341Sdelphij BIO_printf(bio_err, " -in arg input file\n"); 163296341Sdelphij BIO_printf(bio_err, " -out arg output file\n"); 164296341Sdelphij BIO_printf(bio_err, 165296341Sdelphij " -certfile arg certificates file of chain to a trusted CA\n"); 166296341Sdelphij BIO_printf(bio_err, " (can be used more than once)\n"); 167296341Sdelphij BIO_printf(bio_err, 168296341Sdelphij " -nocrl no crl to load, just certs from '-certfile'\n"); 169296341Sdelphij ret = 1; 170296341Sdelphij goto end; 171296341Sdelphij } 17255714Skris 173296341Sdelphij ERR_load_crypto_strings(); 17455714Skris 175296341Sdelphij in = BIO_new(BIO_s_file()); 176296341Sdelphij out = BIO_new(BIO_s_file()); 177296341Sdelphij if ((in == NULL) || (out == NULL)) { 178296341Sdelphij ERR_print_errors(bio_err); 179296341Sdelphij goto end; 180296341Sdelphij } 18155714Skris 182296341Sdelphij if (!nocrl) { 183296341Sdelphij if (infile == NULL) 184296341Sdelphij BIO_set_fp(in, stdin, BIO_NOCLOSE); 185296341Sdelphij else { 186296341Sdelphij if (BIO_read_filename(in, infile) <= 0) { 187296341Sdelphij perror(infile); 188296341Sdelphij goto end; 189296341Sdelphij } 190296341Sdelphij } 19155714Skris 192296341Sdelphij if (informat == FORMAT_ASN1) 193296341Sdelphij crl = d2i_X509_CRL_bio(in, NULL); 194296341Sdelphij else if (informat == FORMAT_PEM) 195296341Sdelphij crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); 196296341Sdelphij else { 197296341Sdelphij BIO_printf(bio_err, "bad input format specified for input crl\n"); 198296341Sdelphij goto end; 199296341Sdelphij } 200296341Sdelphij if (crl == NULL) { 201296341Sdelphij BIO_printf(bio_err, "unable to load CRL\n"); 202296341Sdelphij ERR_print_errors(bio_err); 203296341Sdelphij goto end; 204296341Sdelphij } 205296341Sdelphij } 20655714Skris 207296341Sdelphij if ((p7 = PKCS7_new()) == NULL) 208296341Sdelphij goto end; 209296341Sdelphij if ((p7s = PKCS7_SIGNED_new()) == NULL) 210296341Sdelphij goto end; 211296341Sdelphij p7->type = OBJ_nid2obj(NID_pkcs7_signed); 212296341Sdelphij p7->d.sign = p7s; 213296341Sdelphij p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data); 21455714Skris 215296341Sdelphij if (!ASN1_INTEGER_set(p7s->version, 1)) 216296341Sdelphij goto end; 217296341Sdelphij if ((crl_stack = sk_X509_CRL_new_null()) == NULL) 218296341Sdelphij goto end; 219296341Sdelphij p7s->crl = crl_stack; 220296341Sdelphij if (crl != NULL) { 221296341Sdelphij sk_X509_CRL_push(crl_stack, crl); 222296341Sdelphij crl = NULL; /* now part of p7 for OPENSSL_freeing */ 223296341Sdelphij } 22455714Skris 225296341Sdelphij if ((cert_stack = sk_X509_new_null()) == NULL) 226296341Sdelphij goto end; 227296341Sdelphij p7s->cert = cert_stack; 22855714Skris 229296341Sdelphij if (certflst) 230296341Sdelphij for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) { 231296341Sdelphij certfile = sk_OPENSSL_STRING_value(certflst, i); 232296341Sdelphij if (add_certs_from_file(cert_stack, certfile) < 0) { 233296341Sdelphij BIO_printf(bio_err, "error loading certificates\n"); 234296341Sdelphij ERR_print_errors(bio_err); 235296341Sdelphij goto end; 236296341Sdelphij } 237296341Sdelphij } 23855714Skris 239296341Sdelphij sk_OPENSSL_STRING_free(certflst); 240296341Sdelphij 241296341Sdelphij if (outfile == NULL) { 242296341Sdelphij BIO_set_fp(out, stdout, BIO_NOCLOSE); 243109998Smarkm#ifdef OPENSSL_SYS_VMS 244296341Sdelphij { 245296341Sdelphij BIO *tmpbio = BIO_new(BIO_f_linebuffer()); 246296341Sdelphij out = BIO_push(tmpbio, out); 247296341Sdelphij } 24868651Skris#endif 249296341Sdelphij } else { 250296341Sdelphij if (BIO_write_filename(out, outfile) <= 0) { 251296341Sdelphij perror(outfile); 252296341Sdelphij goto end; 253296341Sdelphij } 254296341Sdelphij } 25555714Skris 256296341Sdelphij if (outformat == FORMAT_ASN1) 257296341Sdelphij i = i2d_PKCS7_bio(out, p7); 258296341Sdelphij else if (outformat == FORMAT_PEM) 259296341Sdelphij i = PEM_write_bio_PKCS7(out, p7); 260296341Sdelphij else { 261296341Sdelphij BIO_printf(bio_err, "bad output format specified for outfile\n"); 262296341Sdelphij goto end; 263296341Sdelphij } 264296341Sdelphij if (!i) { 265296341Sdelphij BIO_printf(bio_err, "unable to write pkcs7 object\n"); 266296341Sdelphij ERR_print_errors(bio_err); 267296341Sdelphij goto end; 268296341Sdelphij } 269296341Sdelphij ret = 0; 270296341Sdelphij end: 271296341Sdelphij if (in != NULL) 272296341Sdelphij BIO_free(in); 273296341Sdelphij if (out != NULL) 274296341Sdelphij BIO_free_all(out); 275296341Sdelphij if (p7 != NULL) 276296341Sdelphij PKCS7_free(p7); 277296341Sdelphij if (crl != NULL) 278296341Sdelphij X509_CRL_free(crl); 27955714Skris 280296341Sdelphij apps_shutdown(); 281296341Sdelphij OPENSSL_EXIT(ret); 282296341Sdelphij} 28355714Skris 284296341Sdelphij/*- 28555714Skris *---------------------------------------------------------------------- 28655714Skris * int add_certs_from_file 28755714Skris * 288296341Sdelphij * Read a list of certificates to be checked from a file. 28955714Skris * 29055714Skris * Results: 291296341Sdelphij * number of certs added if successful, -1 if not. 29255714Skris *---------------------------------------------------------------------- 29355714Skris */ 29455714Skrisstatic int add_certs_from_file(STACK_OF(X509) *stack, char *certfile) 295296341Sdelphij{ 296296341Sdelphij BIO *in = NULL; 297296341Sdelphij int count = 0; 298296341Sdelphij int ret = -1; 299296341Sdelphij STACK_OF(X509_INFO) *sk = NULL; 300296341Sdelphij X509_INFO *xi; 30155714Skris 302296341Sdelphij in = BIO_new(BIO_s_file()); 303296341Sdelphij if ((in == NULL) || (BIO_read_filename(in, certfile) <= 0)) { 304296341Sdelphij BIO_printf(bio_err, "error opening the file, %s\n", certfile); 305296341Sdelphij goto end; 306296341Sdelphij } 30755714Skris 308296341Sdelphij /* This loads from a file, a stack of x509/crl/pkey sets */ 309296341Sdelphij sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); 310296341Sdelphij if (sk == NULL) { 311296341Sdelphij BIO_printf(bio_err, "error reading the file, %s\n", certfile); 312296341Sdelphij goto end; 313296341Sdelphij } 31455714Skris 315296341Sdelphij /* scan over it and pull out the CRL's */ 316296341Sdelphij while (sk_X509_INFO_num(sk)) { 317296341Sdelphij xi = sk_X509_INFO_shift(sk); 318296341Sdelphij if (xi->x509 != NULL) { 319296341Sdelphij sk_X509_push(stack, xi->x509); 320296341Sdelphij xi->x509 = NULL; 321296341Sdelphij count++; 322296341Sdelphij } 323296341Sdelphij X509_INFO_free(xi); 324296341Sdelphij } 32555714Skris 326296341Sdelphij ret = count; 327296341Sdelphij end: 328296341Sdelphij /* never need to OPENSSL_free x */ 329296341Sdelphij if (in != NULL) 330296341Sdelphij BIO_free(in); 331296341Sdelphij if (sk != NULL) 332296341Sdelphij sk_X509_INFO_free(sk); 333296341Sdelphij return (ret); 334296341Sdelphij} 335