RFC 3161 compliant time stamp request creation, response generation
[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 #ifndef OPENSSL_NO_ENGINE
86         ENGINE *e = NULL;
87 #endif
88         PKCS7 *p7=NULL;
89         int i,badops=0;
90         BIO *in=NULL,*out=NULL;
91         int informat,outformat;
92         char *infile,*outfile,*prog;
93         int print_certs=0,text=0,noout=0,p7_print=0;
94         int ret=1;
95 #ifndef OPENSSL_NO_ENGINE
96         char *engine=NULL;
97 #endif
98
99         apps_startup();
100
101         if (bio_err == NULL)
102                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
103                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
104
105         if (!load_config(bio_err, NULL))
106                 goto end;
107
108         infile=NULL;
109         outfile=NULL;
110         informat=FORMAT_PEM;
111         outformat=FORMAT_PEM;
112
113         prog=argv[0];
114         argc--;
115         argv++;
116         while (argc >= 1)
117                 {
118                 if      (strcmp(*argv,"-inform") == 0)
119                         {
120                         if (--argc < 1) goto bad;
121                         informat=str2fmt(*(++argv));
122                         }
123                 else if (strcmp(*argv,"-outform") == 0)
124                         {
125                         if (--argc < 1) goto bad;
126                         outformat=str2fmt(*(++argv));
127                         }
128                 else if (strcmp(*argv,"-in") == 0)
129                         {
130                         if (--argc < 1) goto bad;
131                         infile= *(++argv);
132                         }
133                 else if (strcmp(*argv,"-out") == 0)
134                         {
135                         if (--argc < 1) goto bad;
136                         outfile= *(++argv);
137                         }
138                 else if (strcmp(*argv,"-noout") == 0)
139                         noout=1;
140                 else if (strcmp(*argv,"-text") == 0)
141                         text=1;
142                 else if (strcmp(*argv,"-print") == 0)
143                         p7_print=1;
144                 else if (strcmp(*argv,"-print_certs") == 0)
145                         print_certs=1;
146 #ifndef OPENSSL_NO_ENGINE
147                 else if (strcmp(*argv,"-engine") == 0)
148                         {
149                         if (--argc < 1) goto bad;
150                         engine= *(++argv);
151                         }
152 #endif
153                 else
154                         {
155                         BIO_printf(bio_err,"unknown option %s\n",*argv);
156                         badops=1;
157                         break;
158                         }
159                 argc--;
160                 argv++;
161                 }
162
163         if (badops)
164                 {
165 bad:
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," -print_certs  print any certs or crl in the input\n");
173                 BIO_printf(bio_err," -text         print full details of certificates\n");
174                 BIO_printf(bio_err," -noout        don't output encoded data\n");
175 #ifndef OPENSSL_NO_ENGINE
176                 BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
177 #endif
178                 ret = 1;
179                 goto end;
180                 }
181
182         ERR_load_crypto_strings();
183
184 #ifndef OPENSSL_NO_ENGINE
185         e = setup_engine(bio_err, engine, 0);
186 #endif
187
188         in=BIO_new(BIO_s_file());
189         out=BIO_new(BIO_s_file());
190         if ((in == NULL) || (out == NULL))
191                 {
192                 ERR_print_errors(bio_err);
193                 goto end;
194                 }
195
196         if (infile == NULL)
197                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
198         else
199                 {
200                 if (BIO_read_filename(in,infile) <= 0)
201                 if (in == NULL)
202                         {
203                         perror(infile);
204                         goto end;
205                         }
206                 }
207
208         if      (informat == FORMAT_ASN1)
209                 p7=d2i_PKCS7_bio(in,NULL);
210         else if (informat == FORMAT_PEM)
211                 p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
212         else
213                 {
214                 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
215                 goto end;
216                 }
217         if (p7 == NULL)
218                 {
219                 BIO_printf(bio_err,"unable to load PKCS7 object\n");
220                 ERR_print_errors(bio_err);
221                 goto end;
222                 }
223
224         if (outfile == NULL)
225                 {
226                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
227 #ifdef OPENSSL_SYS_VMS
228                 {
229                 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
230                 out = BIO_push(tmpbio, out);
231                 }
232 #endif
233                 }
234         else
235                 {
236                 if (BIO_write_filename(out,outfile) <= 0)
237                         {
238                         perror(outfile);
239                         goto end;
240                         }
241                 }
242
243         if (p7_print)
244                 PKCS7_print_ctx(out, p7, 0, NULL);
245
246         if (print_certs)
247                 {
248                 STACK_OF(X509) *certs=NULL;
249                 STACK_OF(X509_CRL) *crls=NULL;
250
251                 i=OBJ_obj2nid(p7->type);
252                 switch (i)
253                         {
254                 case NID_pkcs7_signed:
255                         certs=p7->d.sign->cert;
256                         crls=p7->d.sign->crl;
257                         break;
258                 case NID_pkcs7_signedAndEnveloped:
259                         certs=p7->d.signed_and_enveloped->cert;
260                         crls=p7->d.signed_and_enveloped->crl;
261                         break;
262                 default:
263                         break;
264                         }
265
266                 if (certs != NULL)
267                         {
268                         X509 *x;
269
270                         for (i=0; i<sk_X509_num(certs); i++)
271                                 {
272                                 x=sk_X509_value(certs,i);
273                                 if(text) X509_print(out, x);
274                                 else dump_cert_text(out, x);
275
276                                 if(!noout) PEM_write_bio_X509(out,x);
277                                 BIO_puts(out,"\n");
278                                 }
279                         }
280                 if (crls != NULL)
281                         {
282                         X509_CRL *crl;
283
284                         for (i=0; i<sk_X509_CRL_num(crls); i++)
285                                 {
286                                 crl=sk_X509_CRL_value(crls,i);
287
288                                 X509_CRL_print(out, crl);
289
290                                 if(!noout)PEM_write_bio_X509_CRL(out,crl);
291                                 BIO_puts(out,"\n");
292                                 }
293                         }
294
295                 ret=0;
296                 goto end;
297                 }
298
299         if(!noout) {
300                 if      (outformat == FORMAT_ASN1)
301                         i=i2d_PKCS7_bio(out,p7);
302                 else if (outformat == FORMAT_PEM)
303                         i=PEM_write_bio_PKCS7(out,p7);
304                 else    {
305                         BIO_printf(bio_err,"bad output format specified for outfile\n");
306                         goto end;
307                         }
308
309                 if (!i)
310                         {
311                         BIO_printf(bio_err,"unable to write pkcs7 object\n");
312                         ERR_print_errors(bio_err);
313                         goto end;
314                         }
315         }
316         ret=0;
317 end:
318         if (p7 != NULL) PKCS7_free(p7);
319         if (in != NULL) BIO_free(in);
320         if (out != NULL) BIO_free_all(out);
321         apps_shutdown();
322         OPENSSL_EXIT(ret);
323         }