Workaround for some CMS signature formats.
[openssl.git] / apps / pkcs7.c
1 /* apps/pkcs7.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
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.
8  * 
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).
15  * 
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.
22  * 
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
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)"
40  * 
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
51  * SUCH DAMAGE.
52  * 
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.]
57  */
58
59 #include <stdio.h>
60 #include <stdlib.h>
61 #include <string.h>
62 #include <time.h>
63 #include "apps.h"
64 #include <openssl/err.h>
65 #include <openssl/objects.h>
66 #include <openssl/evp.h>
67 #include <openssl/x509.h>
68 #include <openssl/pkcs7.h>
69 #include <openssl/pem.h>
70
71 #undef PROG
72 #define PROG    pkcs7_main
73
74 /* -inform arg  - input format - default PEM (DER or PEM)
75  * -outform arg - output format - default PEM
76  * -in arg      - input file - default stdin
77  * -out arg     - output file - default stdout
78  * -print_certs
79  */
80
81 int MAIN(int, char **);
82
83 int MAIN(int argc, char **argv)
84         {
85         PKCS7 *p7=NULL;
86         int i,badops=0;
87         BIO *in=NULL,*out=NULL;
88         int informat,outformat;
89         char *infile,*outfile,*prog;
90         int print_certs=0,text=0,noout=0,p7_print=0;
91         int ret=1;
92 #ifndef OPENSSL_NO_ENGINE
93         char *engine=NULL;
94 #endif
95
96         apps_startup();
97
98         if (bio_err == NULL)
99                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
100                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
101
102         if (!load_config(bio_err, NULL))
103                 goto end;
104
105         infile=NULL;
106         outfile=NULL;
107         informat=FORMAT_PEM;
108         outformat=FORMAT_PEM;
109
110         prog=argv[0];
111         argc--;
112         argv++;
113         while (argc >= 1)
114                 {
115                 if      (strcmp(*argv,"-inform") == 0)
116                         {
117                         if (--argc < 1) goto bad;
118                         informat=str2fmt(*(++argv));
119                         }
120                 else if (strcmp(*argv,"-outform") == 0)
121                         {
122                         if (--argc < 1) goto bad;
123                         outformat=str2fmt(*(++argv));
124                         }
125                 else if (strcmp(*argv,"-in") == 0)
126                         {
127                         if (--argc < 1) goto bad;
128                         infile= *(++argv);
129                         }
130                 else if (strcmp(*argv,"-out") == 0)
131                         {
132                         if (--argc < 1) goto bad;
133                         outfile= *(++argv);
134                         }
135                 else if (strcmp(*argv,"-noout") == 0)
136                         noout=1;
137                 else if (strcmp(*argv,"-text") == 0)
138                         text=1;
139                 else if (strcmp(*argv,"-print") == 0)
140                         p7_print=1;
141                 else if (strcmp(*argv,"-print_certs") == 0)
142                         print_certs=1;
143 #ifndef OPENSSL_NO_ENGINE
144                 else if (strcmp(*argv,"-engine") == 0)
145                         {
146                         if (--argc < 1) goto bad;
147                         engine= *(++argv);
148                         }
149 #endif
150                 else
151                         {
152                         BIO_printf(bio_err,"unknown option %s\n",*argv);
153                         badops=1;
154                         break;
155                         }
156                 argc--;
157                 argv++;
158                 }
159
160         if (badops)
161                 {
162 bad:
163                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
164                 BIO_printf(bio_err,"where options are\n");
165                 BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
166                 BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
167                 BIO_printf(bio_err," -in arg       input file\n");
168                 BIO_printf(bio_err," -out arg      output file\n");
169                 BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
170                 BIO_printf(bio_err," -text         print full details of certificates\n");
171                 BIO_printf(bio_err," -noout        don't output encoded data\n");
172 #ifndef OPENSSL_NO_ENGINE
173                 BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
174 #endif
175                 ret = 1;
176                 goto end;
177                 }
178
179         ERR_load_crypto_strings();
180
181 #ifndef OPENSSL_NO_ENGINE
182         setup_engine(bio_err, engine, 0);
183 #endif
184
185         in=BIO_new(BIO_s_file());
186         out=BIO_new(BIO_s_file());
187         if ((in == NULL) || (out == NULL))
188                 {
189                 ERR_print_errors(bio_err);
190                 goto end;
191                 }
192
193         if (infile == NULL)
194                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
195         else
196                 {
197                 if (BIO_read_filename(in,infile) <= 0)
198                 if (in == NULL)
199                         {
200                         perror(infile);
201                         goto end;
202                         }
203                 }
204
205         if      (informat == FORMAT_ASN1)
206                 p7=d2i_PKCS7_bio(in,NULL);
207         else if (informat == FORMAT_PEM)
208                 p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
209         else
210                 {
211                 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
212                 goto end;
213                 }
214         if (p7 == NULL)
215                 {
216                 BIO_printf(bio_err,"unable to load PKCS7 object\n");
217                 ERR_print_errors(bio_err);
218                 goto end;
219                 }
220
221         if (outfile == NULL)
222                 {
223                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
224 #ifdef OPENSSL_SYS_VMS
225                 {
226                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
227                 out = BIO_push(tmpbio, out);
228                 }
229 #endif
230                 }
231         else
232                 {
233                 if (BIO_write_filename(out,outfile) <= 0)
234                         {
235                         perror(outfile);
236                         goto end;
237                         }
238                 }
239
240         if (p7_print)
241                 PKCS7_print_ctx(out, p7, 0, NULL);
242
243         if (print_certs)
244                 {
245                 STACK_OF(X509) *certs=NULL;
246                 STACK_OF(X509_CRL) *crls=NULL;
247
248                 i=OBJ_obj2nid(p7->type);
249                 switch (i)
250                         {
251                 case NID_pkcs7_signed:
252                         certs=p7->d.sign->cert;
253                         crls=p7->d.sign->crl;
254                         break;
255                 case NID_pkcs7_signedAndEnveloped:
256                         certs=p7->d.signed_and_enveloped->cert;
257                         crls=p7->d.signed_and_enveloped->crl;
258                         break;
259                 default:
260                         break;
261                         }
262
263                 if (certs != NULL)
264                         {
265                         X509 *x;
266
267                         for (i=0; i<sk_X509_num(certs); i++)
268                                 {
269                                 x=sk_X509_value(certs,i);
270                                 if(text) X509_print(out, x);
271                                 else dump_cert_text(out, x);
272
273                                 if(!noout) PEM_write_bio_X509(out,x);
274                                 BIO_puts(out,"\n");
275                                 }
276                         }
277                 if (crls != NULL)
278                         {
279                         X509_CRL *crl;
280
281                         for (i=0; i<sk_X509_CRL_num(crls); i++)
282                                 {
283                                 crl=sk_X509_CRL_value(crls,i);
284
285                                 X509_CRL_print(out, crl);
286
287                                 if(!noout)PEM_write_bio_X509_CRL(out,crl);
288                                 BIO_puts(out,"\n");
289                                 }
290                         }
291
292                 ret=0;
293                 goto end;
294                 }
295
296         if(!noout) {
297                 if      (outformat == FORMAT_ASN1)
298                         i=i2d_PKCS7_bio(out,p7);
299                 else if (outformat == FORMAT_PEM)
300                         i=PEM_write_bio_PKCS7(out,p7);
301                 else    {
302                         BIO_printf(bio_err,"bad output format specified for outfile\n");
303                         goto end;
304                         }
305
306                 if (!i)
307                         {
308                         BIO_printf(bio_err,"unable to write pkcs7 object\n");
309                         ERR_print_errors(bio_err);
310                         goto end;
311                         }
312         }
313         ret=0;
314 end:
315         if (p7 != NULL) PKCS7_free(p7);
316         if (in != NULL) BIO_free(in);
317         if (out != NULL) BIO_free_all(out);
318         apps_shutdown();
319         OPENSSL_EXIT(ret);
320         }