New Configure option no-<cipher> (rsa, idea, rc5, ...).
[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 (one of DER, TXT or PEM)
75  * -outform arg - output format - default PEM
76  * -in arg      - input file - default stdin
77  * -out arg     - output file - default stdout
78  * -des         - encrypt output if PEM format with DES in cbc mode
79  * -des3        - encrypt output if PEM format
80  * -idea        - encrypt output if PEM format
81  * -print_certs
82  */
83
84 int MAIN(int argc, char **argv)
85         {
86         PKCS7 *p7=NULL;
87         int i,badops=0;
88 #if !defined(NO_DES) || !defined(NO_IDEA)
89         EVP_CIPHER *enc=NULL;
90 #endif
91         BIO *in=NULL,*out=NULL;
92         int informat,outformat;
93         char *infile,*outfile,*prog,buf[256];
94         int print_certs=0;
95         int ret=0;
96
97         apps_startup();
98
99         if (bio_err == NULL)
100                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
101                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
102
103         infile=NULL;
104         outfile=NULL;
105         informat=FORMAT_PEM;
106         outformat=FORMAT_PEM;
107
108         prog=argv[0];
109         argc--;
110         argv++;
111         while (argc >= 1)
112                 {
113                 if      (strcmp(*argv,"-inform") == 0)
114                         {
115                         if (--argc < 1) goto bad;
116                         informat=str2fmt(*(++argv));
117                         }
118                 else if (strcmp(*argv,"-outform") == 0)
119                         {
120                         if (--argc < 1) goto bad;
121                         outformat=str2fmt(*(++argv));
122                         }
123                 else if (strcmp(*argv,"-in") == 0)
124                         {
125                         if (--argc < 1) goto bad;
126                         infile= *(++argv);
127                         }
128                 else if (strcmp(*argv,"-out") == 0)
129                         {
130                         if (--argc < 1) goto bad;
131                         outfile= *(++argv);
132                         }
133                 else if (strcmp(*argv,"-print_certs") == 0)
134                         print_certs=1;
135 #ifndef NO_DES
136                 else if (strcmp(*argv,"-des") == 0)
137                         enc=EVP_des_cbc();
138                 else if (strcmp(*argv,"-des3") == 0)
139                         enc=EVP_des_ede3_cbc();
140 #endif
141 #ifndef NO_IDEA
142                 else if (strcmp(*argv,"-idea") == 0)
143                         enc=EVP_idea_cbc();
144 #endif
145                 else
146                         {
147                         BIO_printf(bio_err,"unknown option %s\n",*argv);
148                         badops=1;
149                         break;
150                         }
151                 argc--;
152                 argv++;
153                 }
154
155         if (badops)
156                 {
157 bad:
158                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
159                 BIO_printf(bio_err,"where options are\n");
160                 BIO_printf(bio_err," -inform arg   input format - one of DER TXT PEM\n");
161                 BIO_printf(bio_err," -outform arg  output format - one of DER TXT PEM\n");
162                 BIO_printf(bio_err," -in arg       input file\n");
163                 BIO_printf(bio_err," -out arg      output file\n");
164                 BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
165                 BIO_printf(bio_err," -des          encrypt PEM output with cbc des\n");
166                 BIO_printf(bio_err," -des3         encrypt PEM output with ede cbc des using 168 bit key\n");
167 #ifndef NO_IDEA
168                 BIO_printf(bio_err," -idea         encrypt PEM output with cbc idea\n");
169 #endif
170                 EXIT(1);
171                 }
172
173         ERR_load_crypto_strings();
174
175         in=BIO_new(BIO_s_file());
176         out=BIO_new(BIO_s_file());
177         if ((in == NULL) || (out == NULL))
178                 {
179                 ERR_print_errors(bio_err);
180                 goto end;
181                 }
182
183         if (infile == NULL)
184                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
185         else
186                 {
187                 if (BIO_read_filename(in,infile) <= 0)
188                 if (in == NULL)
189                         {
190                         perror(infile);
191                         goto end;
192                         }
193                 }
194
195         if      (informat == FORMAT_ASN1)
196                 p7=d2i_PKCS7_bio(in,NULL);
197         else if (informat == FORMAT_PEM)
198                 p7=PEM_read_bio_PKCS7(in,NULL,NULL);
199         else
200                 {
201                 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
202                 goto end;
203                 }
204         if (p7 == NULL)
205                 {
206                 BIO_printf(bio_err,"unable to load PKCS7 object\n");
207                 ERR_print_errors(bio_err);
208                 goto end;
209                 }
210
211         if (outfile == NULL)
212                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
213         else
214                 {
215                 if (BIO_write_filename(out,outfile) <= 0)
216                         {
217                         perror(outfile);
218                         goto end;
219                         }
220                 }
221
222         if (print_certs)
223                 {
224                 STACK_OF(X509) *certs=NULL;
225                 STACK *crls=NULL;
226
227                 i=OBJ_obj2nid(p7->type);
228                 switch (i)
229                         {
230                 case NID_pkcs7_signed:
231                         certs=p7->d.sign->cert;
232                         crls=p7->d.sign->crl;
233                         break;
234                 case NID_pkcs7_signedAndEnveloped:
235                         certs=p7->d.signed_and_enveloped->cert;
236                         crls=p7->d.signed_and_enveloped->crl;
237                         break;
238                 default:
239                         break;
240                         }
241
242                 if (certs != NULL)
243                         {
244                         X509 *x;
245
246                         for (i=0; i<sk_X509_num(certs); i++)
247                                 {
248                                 x=sk_X509_value(certs,i);
249
250                                 X509_NAME_oneline(X509_get_subject_name(x),
251                                         buf,256);
252                                 BIO_puts(out,"subject=");
253                                 BIO_puts(out,buf);
254
255                                 X509_NAME_oneline(X509_get_issuer_name(x),
256                                         buf,256);
257                                 BIO_puts(out,"\nissuer= ");
258                                 BIO_puts(out,buf);
259                                 BIO_puts(out,"\n");
260
261                                 PEM_write_bio_X509(out,x);
262                                 BIO_puts(out,"\n");
263                                 }
264                         }
265                 if (crls != NULL)
266                         {
267                         X509_CRL *crl;
268
269                         for (i=0; i<sk_num(crls); i++)
270                                 {
271                                 crl=(X509_CRL *)sk_value(crls,i);
272
273                                 X509_NAME_oneline(crl->crl->issuer,buf,256);
274                                 BIO_puts(out,"issuer= ");
275                                 BIO_puts(out,buf);
276
277                                 BIO_puts(out,"\nlast update=");
278                                 ASN1_TIME_print(out,crl->crl->lastUpdate);
279                                 BIO_puts(out,"\nnext update=");
280                                 ASN1_TIME_print(out,crl->crl->nextUpdate);
281                                 BIO_puts(out,"\n");
282
283                                 PEM_write_bio_X509_CRL(out,crl);
284                                 BIO_puts(out,"\n");
285                                 }
286                         }
287
288                 ret=0;
289                 goto end;
290                 }
291
292         if      (outformat == FORMAT_ASN1)
293                 i=i2d_PKCS7_bio(out,p7);
294         else if (outformat == FORMAT_PEM)
295                 i=PEM_write_bio_PKCS7(out,p7);
296         else    {
297                 BIO_printf(bio_err,"bad output format specified for outfile\n");
298                 goto end;
299                 }
300
301         if (!i)
302                 {
303                 BIO_printf(bio_err,"unable to write pkcs7 object\n");
304                 ERR_print_errors(bio_err);
305                 goto end;
306                 }
307         ret=0;
308 end:
309         if (p7 != NULL) PKCS7_free(p7);
310         if (in != NULL) BIO_free(in);
311         if (out != NULL) BIO_free(out);
312         EXIT(ret);
313         }