Source code cleanups: Use void * rather than char * in lhash,
[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 argc, char **argv)
82         {
83         PKCS7 *p7=NULL;
84         int i,badops=0;
85         BIO *in=NULL,*out=NULL;
86         int informat,outformat;
87         char *infile,*outfile,*prog;
88         int print_certs=0,text=0,noout=0;
89         int ret=0;
90
91         apps_startup();
92
93         if (bio_err == NULL)
94                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
95                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
96
97         infile=NULL;
98         outfile=NULL;
99         informat=FORMAT_PEM;
100         outformat=FORMAT_PEM;
101
102         prog=argv[0];
103         argc--;
104         argv++;
105         while (argc >= 1)
106                 {
107                 if      (strcmp(*argv,"-inform") == 0)
108                         {
109                         if (--argc < 1) goto bad;
110                         informat=str2fmt(*(++argv));
111                         }
112                 else if (strcmp(*argv,"-outform") == 0)
113                         {
114                         if (--argc < 1) goto bad;
115                         outformat=str2fmt(*(++argv));
116                         }
117                 else if (strcmp(*argv,"-in") == 0)
118                         {
119                         if (--argc < 1) goto bad;
120                         infile= *(++argv);
121                         }
122                 else if (strcmp(*argv,"-out") == 0)
123                         {
124                         if (--argc < 1) goto bad;
125                         outfile= *(++argv);
126                         }
127                 else if (strcmp(*argv,"-noout") == 0)
128                         noout=1;
129                 else if (strcmp(*argv,"-text") == 0)
130                         text=1;
131                 else if (strcmp(*argv,"-print_certs") == 0)
132                         print_certs=1;
133                 else
134                         {
135                         BIO_printf(bio_err,"unknown option %s\n",*argv);
136                         badops=1;
137                         break;
138                         }
139                 argc--;
140                 argv++;
141                 }
142
143         if (badops)
144                 {
145 bad:
146                 BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
147                 BIO_printf(bio_err,"where options are\n");
148                 BIO_printf(bio_err," -inform arg   input format - DER or PEM\n");
149                 BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
150                 BIO_printf(bio_err," -in arg       input file\n");
151                 BIO_printf(bio_err," -out arg      output file\n");
152                 BIO_printf(bio_err," -print_certs  print any certs or crl in the input\n");
153                 BIO_printf(bio_err," -text         print full details of certificates\n");
154                 BIO_printf(bio_err," -noout        don't output encoded data\n");
155                 EXIT(1);
156                 }
157
158         ERR_load_crypto_strings();
159
160         in=BIO_new(BIO_s_file());
161         out=BIO_new(BIO_s_file());
162         if ((in == NULL) || (out == NULL))
163                 {
164                 ERR_print_errors(bio_err);
165                 goto end;
166                 }
167
168         if (infile == NULL)
169                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
170         else
171                 {
172                 if (BIO_read_filename(in,infile) <= 0)
173                 if (in == NULL)
174                         {
175                         perror(infile);
176                         goto end;
177                         }
178                 }
179
180         if      (informat == FORMAT_ASN1)
181                 p7=d2i_PKCS7_bio(in,NULL);
182         else if (informat == FORMAT_PEM)
183                 p7=PEM_read_bio_PKCS7(in,NULL,NULL,NULL);
184         else
185                 {
186                 BIO_printf(bio_err,"bad input format specified for pkcs7 object\n");
187                 goto end;
188                 }
189         if (p7 == NULL)
190                 {
191                 BIO_printf(bio_err,"unable to load PKCS7 object\n");
192                 ERR_print_errors(bio_err);
193                 goto end;
194                 }
195
196         if (outfile == NULL)
197                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
198         else
199                 {
200                 if (BIO_write_filename(out,outfile) <= 0)
201                         {
202                         perror(outfile);
203                         goto end;
204                         }
205                 }
206
207         if (print_certs)
208                 {
209                 STACK_OF(X509) *certs=NULL;
210                 STACK_OF(X509_CRL) *crls=NULL;
211
212                 i=OBJ_obj2nid(p7->type);
213                 switch (i)
214                         {
215                 case NID_pkcs7_signed:
216                         certs=p7->d.sign->cert;
217                         crls=p7->d.sign->crl;
218                         break;
219                 case NID_pkcs7_signedAndEnveloped:
220                         certs=p7->d.signed_and_enveloped->cert;
221                         crls=p7->d.signed_and_enveloped->crl;
222                         break;
223                 default:
224                         break;
225                         }
226
227                 if (certs != NULL)
228                         {
229                         X509 *x;
230
231                         for (i=0; i<sk_X509_num(certs); i++)
232                                 {
233                                 x=sk_X509_value(certs,i);
234                                 if(text) X509_print(out, x);
235                                 else dump_cert_text(out, x);
236
237                                 if(!noout) PEM_write_bio_X509(out,x);
238                                 BIO_puts(out,"\n");
239                                 }
240                         }
241                 if (crls != NULL)
242                         {
243                         X509_CRL *crl;
244
245                         for (i=0; i<sk_X509_CRL_num(crls); i++)
246                                 {
247                                 crl=sk_X509_CRL_value(crls,i);
248
249                                 X509_CRL_print(out, crl);
250
251                                 if(!noout)PEM_write_bio_X509_CRL(out,crl);
252                                 BIO_puts(out,"\n");
253                                 }
254                         }
255
256                 ret=0;
257                 goto end;
258                 }
259
260         if(!noout) {
261                 if      (outformat == FORMAT_ASN1)
262                         i=i2d_PKCS7_bio(out,p7);
263                 else if (outformat == FORMAT_PEM)
264                         i=PEM_write_bio_PKCS7(out,p7);
265                 else    {
266                         BIO_printf(bio_err,"bad output format specified for outfile\n");
267                         goto end;
268                         }
269
270                 if (!i)
271                         {
272                         BIO_printf(bio_err,"unable to write pkcs7 object\n");
273                         ERR_print_errors(bio_err);
274                         goto end;
275                         }
276         }
277         ret=0;
278 end:
279         if (p7 != NULL) PKCS7_free(p7);
280         if (in != NULL) BIO_free(in);
281         if (out != NULL) BIO_free(out);
282         EXIT(ret);
283         }