2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
59 /* This was written by Gordon Chaffee <chaffee@plateau.cs.berkeley.edu>
60 * and donated 'to the cause' along with lots and lots of other fixes to
65 #include <sys/types.h>
76 static int add_certs_from_file(STACK *stack, char *certfile);
78 static int add_certs_from_file();
82 #define PROG crl2pkcs7_main
84 /* -inform arg - input format - default PEM (one of DER, TXT or PEM)
85 * -outform arg - output format - default PEM
86 * -in arg - input file - default stdin
87 * -out arg - output file - default stdout
95 BIO *in=NULL,*out=NULL;
96 int informat,outformat;
97 char *infile,*outfile,*prog,*certfile;
99 PKCS7_SIGNED *p7s = NULL;
101 STACK *certflst=NULL;
102 STACK *crl_stack=NULL;
103 STACK *cert_stack=NULL;
109 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
110 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
115 outformat=FORMAT_PEM;
122 if (strcmp(*argv,"-inform") == 0)
124 if (--argc < 1) goto bad;
125 informat=str2fmt(*(++argv));
127 else if (strcmp(*argv,"-outform") == 0)
129 if (--argc < 1) goto bad;
130 outformat=str2fmt(*(++argv));
132 else if (strcmp(*argv,"-in") == 0)
134 if (--argc < 1) goto bad;
137 else if (strcmp(*argv,"-nocrl") == 0)
141 else if (strcmp(*argv,"-out") == 0)
143 if (--argc < 1) goto bad;
146 else if (strcmp(*argv,"-certfile") == 0)
148 if (--argc < 1) goto bad;
149 if(!certflst) certflst = sk_new(NULL);
150 sk_push(certflst,*(++argv));
154 BIO_printf(bio_err,"unknown option %s\n",*argv);
165 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
166 BIO_printf(bio_err,"where options are\n");
167 BIO_printf(bio_err," -inform arg input format - one of DER TXT PEM\n");
168 BIO_printf(bio_err," -outform arg output format - one of DER TXT PEM\n");
169 BIO_printf(bio_err," -in arg input file\n");
170 BIO_printf(bio_err," -out arg output file\n");
171 BIO_printf(bio_err," -certfile arg certificates file of chain to a trusted CA\n");
172 BIO_printf(bio_err," (can be used more than once)\n");
173 BIO_printf(bio_err," -nocrl no crl to load, just certs from '-certfile'\n");
177 ERR_load_crypto_strings();
179 in=BIO_new(BIO_s_file());
180 out=BIO_new(BIO_s_file());
181 if ((in == NULL) || (out == NULL))
183 ERR_print_errors(bio_err);
190 BIO_set_fp(in,stdin,BIO_NOCLOSE);
193 if (BIO_read_filename(in,infile) <= 0)
200 if (informat == FORMAT_ASN1)
201 crl=d2i_X509_CRL_bio(in,NULL);
202 else if (informat == FORMAT_PEM)
203 crl=PEM_read_bio_X509_CRL(in,NULL,NULL);
205 BIO_printf(bio_err,"bad input format specified for input crl\n");
210 BIO_printf(bio_err,"unable to load CRL\n");
211 ERR_print_errors(bio_err);
216 if ((p7=PKCS7_new()) == NULL) goto end;
217 if ((p7s=PKCS7_SIGNED_new()) == NULL) goto end;
218 p7->type=OBJ_nid2obj(NID_pkcs7_signed);
220 p7s->contents->type=OBJ_nid2obj(NID_pkcs7_data);
222 if (!ASN1_INTEGER_set(p7s->version,1)) goto end;
223 if ((crl_stack=sk_new(NULL)) == NULL) goto end;
227 sk_push(crl_stack,(char *)crl);
228 crl=NULL; /* now part of p7 for Freeing */
231 if ((cert_stack=sk_new(NULL)) == NULL) goto end;
232 p7s->cert=cert_stack;
234 if(certflst) for(i = 0; i < sk_num(certflst); i++) {
235 certfile = sk_value(certflst, i);
236 if (add_certs_from_file(cert_stack,certfile) < 0)
238 BIO_printf(bio_err, "error loading certificates\n");
239 ERR_print_errors(bio_err);
247 BIO_set_fp(out,stdout,BIO_NOCLOSE);
250 if (BIO_write_filename(out,outfile) <= 0)
257 if (outformat == FORMAT_ASN1)
258 i=i2d_PKCS7_bio(out,p7);
259 else if (outformat == FORMAT_PEM)
260 i=PEM_write_bio_PKCS7(out,p7);
262 BIO_printf(bio_err,"bad output format specified for outfile\n");
267 BIO_printf(bio_err,"unable to write pkcs7 object\n");
268 ERR_print_errors(bio_err);
273 if (in != NULL) BIO_free(in);
274 if (out != NULL) BIO_free(out);
275 if (p7 != NULL) PKCS7_free(p7);
276 if (crl != NULL) X509_CRL_free(crl);
282 *----------------------------------------------------------------------
283 * int add_certs_from_file
285 * Read a list of certificates to be checked from a file.
288 * number of certs added if successful, -1 if not.
289 *----------------------------------------------------------------------
291 static int add_certs_from_file(stack,certfile)
302 if ((stat(certfile,&st) != 0))
304 BIO_printf(bio_err,"unable to load the file, %s\n",certfile);
308 in=BIO_new(BIO_s_file());
309 if ((in == NULL) || (BIO_read_filename(in,certfile) <= 0))
311 BIO_printf(bio_err,"error opening the file, %s\n",certfile);
315 /* This loads from a file, a stack of x509/crl/pkey sets */
316 sk=PEM_X509_INFO_read_bio(in,NULL,NULL);
318 BIO_printf(bio_err,"error reading the file, %s\n",certfile);
322 /* scan over it and pull out the CRL's */
325 xi=(X509_INFO *)sk_shift(sk);
326 if (xi->x509 != NULL)
328 sk_push(stack,(char *)xi->x509);
337 /* never need to Free x */
338 if (in != NULL) BIO_free(in);
339 if (sk != NULL) sk_free(sk);