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>
67 #include <openssl/err.h>
68 #include <openssl/evp.h>
69 #include <openssl/x509.h>
70 #include <openssl/pkcs7.h>
71 #include <openssl/pem.h>
72 #include <openssl/objects.h>
74 static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile);
76 #define PROG crl2pkcs7_main
79 * -inform arg - input format - default PEM (DER or PEM)
80 * -outform arg - output format - default PEM
81 * -in arg - input file - default stdin
82 * -out arg - output file - default stdout
85 int MAIN(int, char **);
87 int MAIN(int argc, char **argv)
90 BIO *in=NULL,*out=NULL;
91 int informat,outformat;
92 char *infile,*outfile,*prog,*certfile;
94 PKCS7_SIGNED *p7s = NULL;
96 STACK_OF(OPENSSL_STRING) *certflst=NULL;
97 STACK_OF(X509_CRL) *crl_stack=NULL;
98 STACK_OF(X509) *cert_stack=NULL;
104 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
105 BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
110 outformat=FORMAT_PEM;
117 if (strcmp(*argv,"-inform") == 0)
119 if (--argc < 1) goto bad;
120 informat=str2fmt(*(++argv));
122 else if (strcmp(*argv,"-outform") == 0)
124 if (--argc < 1) goto bad;
125 outformat=str2fmt(*(++argv));
127 else if (strcmp(*argv,"-in") == 0)
129 if (--argc < 1) goto bad;
132 else if (strcmp(*argv,"-nocrl") == 0)
136 else if (strcmp(*argv,"-out") == 0)
138 if (--argc < 1) goto bad;
141 else if (strcmp(*argv,"-certfile") == 0)
143 if (--argc < 1) goto bad;
144 if(!certflst) certflst = sk_OPENSSL_STRING_new_null();
147 if (!sk_OPENSSL_STRING_push(certflst,*(++argv)))
149 sk_OPENSSL_STRING_free(certflst);
155 BIO_printf(bio_err,"unknown option %s\n",*argv);
166 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
167 BIO_printf(bio_err,"where options are\n");
168 BIO_printf(bio_err," -inform arg input format - DER or PEM\n");
169 BIO_printf(bio_err," -outform arg output format - DER or PEM\n");
170 BIO_printf(bio_err," -in arg input file\n");
171 BIO_printf(bio_err," -out arg output file\n");
172 BIO_printf(bio_err," -certfile arg certificates file of chain to a trusted CA\n");
173 BIO_printf(bio_err," (can be used more than once)\n");
174 BIO_printf(bio_err," -nocrl no crl to load, just certs from '-certfile'\n");
179 ERR_load_crypto_strings();
181 in=BIO_new(BIO_s_file());
182 out=BIO_new(BIO_s_file());
183 if ((in == NULL) || (out == NULL))
185 ERR_print_errors(bio_err);
192 BIO_set_fp(in,stdin,BIO_NOCLOSE);
195 if (BIO_read_filename(in,infile) <= 0)
202 if (informat == FORMAT_ASN1)
203 crl=d2i_X509_CRL_bio(in,NULL);
204 else if (informat == FORMAT_PEM)
205 crl=PEM_read_bio_X509_CRL(in,NULL,NULL,NULL);
207 BIO_printf(bio_err,"bad input format specified for input crl\n");
212 BIO_printf(bio_err,"unable to load CRL\n");
213 ERR_print_errors(bio_err);
218 if ((p7=PKCS7_new()) == NULL) goto end;
219 if ((p7s=PKCS7_SIGNED_new()) == NULL) goto end;
220 p7->type=OBJ_nid2obj(NID_pkcs7_signed);
222 p7s->contents->type=OBJ_nid2obj(NID_pkcs7_data);
224 if (!ASN1_INTEGER_set(p7s->version,1)) goto end;
225 if ((crl_stack=sk_X509_CRL_new_null()) == NULL) goto end;
229 sk_X509_CRL_push(crl_stack,crl);
230 crl=NULL; /* now part of p7 for OPENSSL_freeing */
233 if ((cert_stack=sk_X509_new_null()) == NULL) goto end;
234 p7s->cert=cert_stack;
236 if(certflst) for(i = 0; i < sk_OPENSSL_STRING_num(certflst); i++) {
237 certfile = sk_OPENSSL_STRING_value(certflst, i);
238 if (add_certs_from_file(cert_stack,certfile) < 0)
240 BIO_printf(bio_err, "error loading certificates\n");
241 ERR_print_errors(bio_err);
246 sk_OPENSSL_STRING_free(certflst);
250 BIO_set_fp(out,stdout,BIO_NOCLOSE);
251 #ifdef OPENSSL_SYS_VMS
253 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
254 out = BIO_push(tmpbio, out);
260 if (BIO_write_filename(out,outfile) <= 0)
267 if (outformat == FORMAT_ASN1)
268 i=i2d_PKCS7_bio(out,p7);
269 else if (outformat == FORMAT_PEM)
270 i=PEM_write_bio_PKCS7(out,p7);
272 BIO_printf(bio_err,"bad output format specified for outfile\n");
277 BIO_printf(bio_err,"unable to write pkcs7 object\n");
278 ERR_print_errors(bio_err);
283 if (in != NULL) BIO_free(in);
284 if (out != NULL) BIO_free_all(out);
285 if (p7 != NULL) PKCS7_free(p7);
286 if (crl != NULL) X509_CRL_free(crl);
293 *----------------------------------------------------------------------
294 * int add_certs_from_file
296 * Read a list of certificates to be checked from a file.
299 * number of certs added if successful, -1 if not.
300 *----------------------------------------------------------------------
302 static int add_certs_from_file(STACK_OF(X509) *stack, char *certfile)
307 STACK_OF(X509_INFO) *sk=NULL;
310 in=BIO_new(BIO_s_file());
311 if ((in == NULL) || (BIO_read_filename(in,certfile) <= 0))
313 BIO_printf(bio_err,"error opening the file, %s\n",certfile);
317 /* This loads from a file, a stack of x509/crl/pkey sets */
318 sk=PEM_X509_INFO_read_bio(in,NULL,NULL,NULL);
320 BIO_printf(bio_err,"error reading the file, %s\n",certfile);
324 /* scan over it and pull out the CRL's */
325 while (sk_X509_INFO_num(sk))
327 xi=sk_X509_INFO_shift(sk);
328 if (xi->x509 != NULL)
330 sk_X509_push(stack,xi->x509);
339 /* never need to OPENSSL_free x */
340 if (in != NULL) BIO_free(in);
341 if (sk != NULL) sk_X509_INFO_free(sk);