272 lines
9.1 KiB
C
272 lines
9.1 KiB
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);
|
|
|
|
typedef enum OPTION_choice {
|
|
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
|
|
OPT_INFORM, OPT_OUTFORM, OPT_IN, OPT_OUT, OPT_NOCRL, OPT_CERTFILE
|
|
} OPTION_CHOICE;
|
|
|
|
OPTIONS crl2pkcs7_options[] = {
|
|
{"help", OPT_HELP, '-', "Display this summary"},
|
|
{"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
|
|
{"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
|
|
{"in", OPT_IN, '<', "Input file"},
|
|
{"out", OPT_OUT, '>', "Output file"},
|
|
{"nocrl", OPT_NOCRL, '-', "No crl to load, just certs from '-certfile'"},
|
|
{"certfile", OPT_CERTFILE, '<',
|
|
"File of chain of certs to a trusted CA; can be repeated"},
|
|
{NULL}
|
|
};
|
|
|
|
int crl2pkcs7_main(int argc, char **argv)
|
|
{
|
|
BIO *in = NULL, *out = NULL;
|
|
PKCS7 *p7 = NULL;
|
|
PKCS7_SIGNED *p7s = NULL;
|
|
STACK_OF(OPENSSL_STRING) *certflst = NULL;
|
|
STACK_OF(X509) *cert_stack = NULL;
|
|
STACK_OF(X509_CRL) *crl_stack = NULL;
|
|
X509_CRL *crl = NULL;
|
|
char *infile = NULL, *outfile = NULL, *prog, *certfile;
|
|
int i = 0, informat = FORMAT_PEM, outformat = FORMAT_PEM, ret = 1, nocrl =
|
|
0;
|
|
OPTION_CHOICE o;
|
|
|
|
prog = opt_init(argc, argv, crl2pkcs7_options);
|
|
while ((o = opt_next()) != OPT_EOF) {
|
|
switch (o) {
|
|
case OPT_EOF:
|
|
case OPT_ERR:
|
|
opthelp:
|
|
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
|
|
goto end;
|
|
case OPT_HELP:
|
|
opt_help(crl2pkcs7_options);
|
|
ret = 0;
|
|
goto end;
|
|
case OPT_INFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &informat))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_OUTFORM:
|
|
if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &outformat))
|
|
goto opthelp;
|
|
break;
|
|
case OPT_IN:
|
|
infile = opt_arg();
|
|
break;
|
|
case OPT_OUT:
|
|
outfile = opt_arg();
|
|
break;
|
|
case OPT_NOCRL:
|
|
nocrl = 1;
|
|
break;
|
|
case OPT_CERTFILE:
|
|
if ((certflst == NULL)
|
|
&& (certflst = sk_OPENSSL_STRING_new_null()) == NULL)
|
|
goto end;
|
|
if (!sk_OPENSSL_STRING_push(certflst, *(++argv))) {
|
|
sk_OPENSSL_STRING_free(certflst);
|
|
goto end;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
argc = opt_num_rest();
|
|
argv = opt_rest();
|
|
|
|
if (!nocrl) {
|
|
in = bio_open_default(infile, RB(informat));
|
|
if (in == NULL)
|
|
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);
|
|
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);
|
|
|
|
out = bio_open_default(outfile, WB(outformat));
|
|
if (out == NULL)
|
|
goto end;
|
|
|
|
if (outformat == FORMAT_ASN1)
|
|
i = i2d_PKCS7_bio(out, p7);
|
|
else if (outformat == FORMAT_PEM)
|
|
i = PEM_write_bio_PKCS7(out, p7);
|
|
if (!i) {
|
|
BIO_printf(bio_err, "unable to write pkcs7 object\n");
|
|
ERR_print_errors(bio_err);
|
|
goto end;
|
|
}
|
|
ret = 0;
|
|
end:
|
|
BIO_free(in);
|
|
BIO_free_all(out);
|
|
PKCS7_free(p7);
|
|
X509_CRL_free(crl);
|
|
|
|
return (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_file(certfile, "r");
|
|
if (in == NULL) {
|
|
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 */
|
|
BIO_free(in);
|
|
sk_X509_INFO_free(sk);
|
|
return (ret);
|
|
}
|