| /* apps/crl2p7.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.] |
| */ |
| |
| /* |
| * This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu> and |
| * donated 'to the cause' along with lots and lots of other fixes to the |
| * library. |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include "apps.h" |
| #include <openssl/err.h> |
| #include <openssl/evp.h> |
| #include <openssl/x509.h> |
| #include <openssl/pkcs7.h> |
| #include <openssl/pem.h> |
| #include <openssl/objects.h> |
| |
| static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile); |
| #undef PROG |
| #define PROG crl2pkcs7_main |
| |
| /*- |
| * -inform arg - input format - default PEM (DER or PEM) |
| * -outform arg - output format - default PEM |
| * -in arg - input file - default stdin |
| * -out arg - output file - default stdout |
| */ |
| |
| int MAIN(int, char **); |
| |
| int MAIN(int argc, char **argv) |
| { |
| int i, badops = 0; |
| BIO *in = NULL, *out = NULL; |
| int informat, outformat; |
| char *infile, *outfile, *prog, *certfile; |
| PKCS7 *p7 = NULL; |
| PKCS7_SIGNED *p7s = NULL; |
| X509_CRL *crl = NULL; |
| STACK_OF(OPENSSL_STRING) *certflst = NULL; |
| STACK_OF(X509_CRL) *crl_stack = NULL; |
| STACK_OF(X509) *cert_stack = NULL; |
| int ret = 1, nocrl = 0; |
| |
| 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); |
| |
| infile = NULL; |
| outfile = NULL; |
| informat = FORMAT_PEM; |
| outformat = FORMAT_PEM; |
| |
| prog = argv[0]; |
| argc--; |
| argv++; |
| while (argc >= 1) { |
| if (strcmp(*argv, "-inform") == 0) { |
| if (--argc < 1) |
| goto bad; |
| informat = str2fmt(*(++argv)); |
| } else if (strcmp(*argv, "-outform") == 0) { |
| if (--argc < 1) |
| goto bad; |
| outformat = str2fmt(*(++argv)); |
| } else if (strcmp(*argv, "-in") == 0) { |
| if (--argc < 1) |
| goto bad; |
| infile = *(++argv); |
| } else if (strcmp(*argv, "-nocrl") == 0) { |
| nocrl = 1; |
| } else if (strcmp(*argv, "-out") == 0) { |
| if (--argc < 1) |
| goto bad; |
| outfile = *(++argv); |
| } else if (strcmp(*argv, "-certfile") == 0) { |
| if (--argc < 1) |
| goto bad; |
| if (!certflst) |
| certflst = sk_OPENSSL_STRING_new_null(); |
| if (!certflst) |
| goto end; |
| if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) { |
| sk_OPENSSL_STRING_free(certflst); |
| goto end; |
| } |
| } else { |
| BIO_printf(bio_err, "unknown option %s\n", *argv); |
| badops = 1; |
| break; |
| } |
| argc--; |
| argv++; |
| } |
| |
| if (badops) { |
| bad: |
| BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog); |
| BIO_printf(bio_err, "where options are\n"); |
| BIO_printf(bio_err, " -inform arg input format - DER or PEM\n"); |
| BIO_printf(bio_err, " -outform arg output format - DER or PEM\n"); |
| BIO_printf(bio_err, " -in arg input file\n"); |
| BIO_printf(bio_err, " -out arg output file\n"); |
| BIO_printf(bio_err, |
| " -certfile arg certificates file of chain to a trusted CA\n"); |
| BIO_printf(bio_err, " (can be used more than once)\n"); |
| BIO_printf(bio_err, |
| " -nocrl no crl to load, just certs from '-certfile'\n"); |
| ret = 1; |
| goto end; |
| } |
| |
| ERR_load_crypto_strings(); |
| |
| in = BIO_new(BIO_s_file()); |
| out = BIO_new(BIO_s_file()); |
| if ((in == NULL) || (out == NULL)) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (!nocrl) { |
| if (infile == NULL) |
| BIO_set_fp(in, stdin, BIO_NOCLOSE); |
| else { |
| if (BIO_read_filename(in, infile) <= 0) { |
| perror(infile); |
| goto end; |
| } |
| } |
| |
| if (informat == FORMAT_ASN1) |
| crl = d2i_X509_CRL_bio(in, NULL); |
| else if (informat == FORMAT_PEM) |
| crl = PEM_read_bio_X509_CRL(in, NULL, NULL, NULL); |
| else { |
| BIO_printf(bio_err, "bad input format specified for input crl\n"); |
| goto end; |
| } |
| if (crl == NULL) { |
| BIO_printf(bio_err, "unable to load CRL\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } |
| |
| if ((p7 = PKCS7_new()) == NULL) |
| goto end; |
| if ((p7s = PKCS7_SIGNED_new()) == NULL) |
| goto end; |
| p7->type = OBJ_nid2obj(NID_pkcs7_signed); |
| p7->d.sign = p7s; |
| p7s->contents->type = OBJ_nid2obj(NID_pkcs7_data); |
| |
| if (!ASN1_INTEGER_set(p7s->version, 1)) |
| goto end; |
| if ((crl_stack = sk_X509_CRL_new_null()) == NULL) |
| goto end; |
| p7s->crl = crl_stack; |
| if (crl != NULL) { |
| sk_X509_CRL_push(crl_stack, crl); |
| crl = NULL; /* now part of p7 for OPENSSL_freeing */ |
| } |
| |
| if ((cert_stack = sk_X509_new_null()) == NULL) |
| goto end; |
| p7s->cert = cert_stack; |
| |
| if (certflst) |
| for (i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) { |
| certfile = sk_OPENSSL_STRING_value(certflst, i); |
| if (add_certs_from_file(cert_stack, certfile) < 0) { |
| BIO_printf(bio_err, "error loading certificates\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } |
| |
| sk_OPENSSL_STRING_free(certflst); |
| |
| if (outfile == NULL) { |
| BIO_set_fp(out, stdout, BIO_NOCLOSE); |
| #ifdef OPENSSL_SYS_VMS |
| { |
| BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| out = BIO_push(tmpbio, out); |
| } |
| #endif |
| } else { |
| if (BIO_write_filename(out, outfile) <= 0) { |
| perror(outfile); |
| goto end; |
| } |
| } |
| |
| if (outformat == FORMAT_ASN1) |
| i = i2d_PKCS7_bio(out, p7); |
| else if (outformat == FORMAT_PEM) |
| i = PEM_write_bio_PKCS7(out, p7); |
| else { |
| BIO_printf(bio_err, "bad output format specified for outfile\n"); |
| goto end; |
| } |
| if (!i) { |
| BIO_printf(bio_err, "unable to write pkcs7 object\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| ret = 0; |
| end: |
| if (in != NULL) |
| BIO_free(in); |
| if (out != NULL) |
| BIO_free_all(out); |
| if (p7 != NULL) |
| PKCS7_free(p7); |
| if (crl != NULL) |
| X509_CRL_free(crl); |
| |
| apps_shutdown(); |
| OPENSSL_EXIT(ret); |
| } |
| |
| /*- |
| *---------------------------------------------------------------------- |
| * int add_certs_from_file |
| * |
| * Read a list of certificates to be checked from a file. |
| * |
| * Results: |
| * number of certs added if successful, -1 if not. |
| *---------------------------------------------------------------------- |
| */ |
| static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile) |
| { |
| BIO *in = NULL; |
| int count = 0; |
| int ret = -1; |
| STACK_OF(X509_INFO) *sk = NULL; |
| X509_INFO *xi; |
| |
| in = BIO_new(BIO_s_file()); |
| if ((in == NULL) || (BIO_read_filename(in, certfile) <= 0)) { |
| 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 */ |
| sk = PEM_X509_INFO_read_bio(in, NULL, NULL, NULL); |
| if (sk == NULL) { |
| BIO_printf(bio_err, "error reading the file, %s\n", certfile); |
| goto end; |
| } |
| |
| /* scan over it and pull out the CRL's */ |
| 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; |
| count++; |
| } |
| X509_INFO_free(xi); |
| } |
| |
| ret = count; |
| end: |
| /* never need to OPENSSL_free x */ |
| if (in != NULL) |
| BIO_free(in); |
| if (sk != NULL) |
| sk_X509_INFO_free(sk); |
| return (ret); |
| } |
