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[openssl.git] / apps / crl.c
1 /* apps/crl.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 "apps.h"
63 #include <openssl/bio.h>
64 #include <openssl/err.h>
65 #include <openssl/x509.h>
66 #include <openssl/x509v3.h>
67 #include <openssl/pem.h>
68
69 #undef PROG
70 #define PROG    crl_main
71
72 #undef POSTFIX
73 #define POSTFIX ".rvk"
74
75 static char *crl_usage[]={
76 "usage: crl args\n",
77 "\n",
78 " -inform arg     - input format - default PEM (one of DER, TXT or PEM)\n",
79 " -outform arg    - output format - default PEM\n",
80 " -text           - print out a text format version\n",
81 " -in arg         - input file - default stdin\n",
82 " -out arg        - output file - default stdout\n",
83 " -hash           - print hash value\n",
84 " -issuer         - print issuer DN\n",
85 " -lastupdate     - lastUpdate field\n",
86 " -nextupdate     - nextUpdate field\n",
87 " -noout          - no CRL output\n",
88 NULL
89 };
90
91 #ifndef NOPROTO
92 static X509_CRL *load_crl(char *file, int format);
93 #else
94 static X509_CRL *load_crl();
95 #endif
96
97 static BIO *bio_out=NULL;
98
99 int MAIN(int argc, char **argv)
100         {
101         X509_CRL *x=NULL;
102         int ret=1,i,num,badops=0;
103         BIO *out=NULL;
104         int informat,outformat;
105         char *infile=NULL,*outfile=NULL;
106         int hash=0,issuer=0,lastupdate=0,nextupdate=0,noout=0,text=0;
107         char **pp,buf[256];
108
109         apps_startup();
110
111         if (bio_err == NULL)
112                 if ((bio_err=BIO_new(BIO_s_file())) != NULL)
113                         BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
114
115         if (bio_out == NULL)
116                 if ((bio_out=BIO_new(BIO_s_file())) != NULL)
117                         BIO_set_fp(bio_out,stdout,BIO_NOCLOSE);
118
119         informat=FORMAT_PEM;
120         outformat=FORMAT_PEM;
121
122         argc--;
123         argv++;
124         num=0;
125         while (argc >= 1)
126                 {
127 #ifdef undef
128                 if      (strcmp(*argv,"-p") == 0)
129                         {
130                         if (--argc < 1) goto bad;
131                         if (!args_from_file(++argv,Nargc,Nargv)) { goto end; }*/
132                         }
133 #endif
134                 if      (strcmp(*argv,"-inform") == 0)
135                         {
136                         if (--argc < 1) goto bad;
137                         informat=str2fmt(*(++argv));
138                         }
139                 else if (strcmp(*argv,"-outform") == 0)
140                         {
141                         if (--argc < 1) goto bad;
142                         outformat=str2fmt(*(++argv));
143                         }
144                 else if (strcmp(*argv,"-in") == 0)
145                         {
146                         if (--argc < 1) goto bad;
147                         infile= *(++argv);
148                         }
149                 else if (strcmp(*argv,"-out") == 0)
150                         {
151                         if (--argc < 1) goto bad;
152                         outfile= *(++argv);
153                         }
154                 else if (strcmp(*argv,"-text") == 0)
155                         text = 1;
156                 else if (strcmp(*argv,"-hash") == 0)
157                         hash= ++num;
158                 else if (strcmp(*argv,"-issuer") == 0)
159                         issuer= ++num;
160                 else if (strcmp(*argv,"-lastupdate") == 0)
161                         lastupdate= ++num;
162                 else if (strcmp(*argv,"-nextupdate") == 0)
163                         nextupdate= ++num;
164                 else if (strcmp(*argv,"-noout") == 0)
165                         noout= ++num;
166                 else
167                         {
168                         BIO_printf(bio_err,"unknown option %s\n",*argv);
169                         badops=1;
170                         break;
171                         }
172                 argc--;
173                 argv++;
174                 }
175
176         if (badops)
177                 {
178 bad:
179                 for (pp=crl_usage; (*pp != NULL); pp++)
180                         BIO_printf(bio_err,*pp);
181                 goto end;
182                 }
183
184         ERR_load_crypto_strings();
185         X509V3_add_standard_extensions();
186         x=load_crl(infile,informat);
187         if (x == NULL) { goto end; }
188
189         if (num)
190                 {
191                 for (i=1; i<=num; i++)
192                         {
193                         if (issuer == i)
194                                 {
195                                 X509_NAME_oneline(x->crl->issuer,buf,256);
196                                 BIO_printf(bio_out,"issuer= %s\n",buf);
197                                 }
198
199                         if (hash == i)
200                                 {
201                                 BIO_printf(bio_out,"%08lx\n",
202                                         X509_NAME_hash(x->crl->issuer));
203                                 }
204                         if (lastupdate == i)
205                                 {
206                                 BIO_printf(bio_out,"lastUpdate=");
207                                 ASN1_TIME_print(bio_out,x->crl->lastUpdate);
208                                 BIO_printf(bio_out,"\n");
209                                 }
210                         if (nextupdate == i)
211                                 {
212                                 BIO_printf(bio_out,"nextUpdate=");
213                                 if (x->crl->nextUpdate != NULL)
214                                         ASN1_TIME_print(bio_out,x->crl->nextUpdate);
215                                 else
216                                         BIO_printf(bio_out,"NONE");
217                                 BIO_printf(bio_out,"\n");
218                                 }
219                         }
220                 }
221
222         out=BIO_new(BIO_s_file());
223         if (out == NULL)
224                 {
225                 ERR_print_errors(bio_err);
226                 goto end;
227                 }
228
229         if (outfile == NULL)
230                 BIO_set_fp(out,stdout,BIO_NOCLOSE);
231         else
232                 {
233                 if (BIO_write_filename(out,outfile) <= 0)
234                         {
235                         perror(outfile);
236                         goto end;
237                         }
238                 }
239
240         if (text) X509_CRL_print(out, x);
241
242         if (noout) goto end;
243
244         if      (outformat == FORMAT_ASN1)
245                 i=(int)i2d_X509_CRL_bio(out,x);
246         else if (outformat == FORMAT_PEM)
247                 i=PEM_write_bio_X509_CRL(out,x);
248         else    
249                 {
250                 BIO_printf(bio_err,"bad output format specified for outfile\n");
251                 goto end;
252                 }
253         if (!i) { BIO_printf(bio_err,"unable to write CRL\n"); goto end; }
254         ret=0;
255 end:
256         BIO_free(out);
257         BIO_free(bio_out);
258         X509_CRL_free(x);
259         X509V3_EXT_cleanup();
260         EXIT(ret);
261         }
262
263 static X509_CRL *load_crl(char *infile, int format)
264         {
265         X509_CRL *x=NULL;
266         BIO *in=NULL;
267
268         in=BIO_new(BIO_s_file());
269         if (in == NULL)
270                 {
271                 ERR_print_errors(bio_err);
272                 goto end;
273                 }
274
275         if (infile == NULL)
276                 BIO_set_fp(in,stdin,BIO_NOCLOSE);
277         else
278                 {
279                 if (BIO_read_filename(in,infile) <= 0)
280                         {
281                         perror(infile);
282                         goto end;
283                         }
284                 }
285         if      (format == FORMAT_ASN1)
286                 x=d2i_X509_CRL_bio(in,NULL);
287         else if (format == FORMAT_PEM)
288                 x=PEM_read_bio_X509_CRL(in,NULL,NULL);
289         else    {
290                 BIO_printf(bio_err,"bad input format specified for input crl\n");
291                 goto end;
292                 }
293         if (x == NULL)
294                 {
295                 BIO_printf(bio_err,"unable to load CRL\n");
296                 ERR_print_errors(bio_err);
297                 goto end;
298                 }
299         
300 end:
301         BIO_free(in);
302         return(x);
303         }
304