Use the default_md config file value when signing CRLs.
[openssl.git] / apps / spkac.c
1 /* apps/spkac.c */
2
3 /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
4  * project 1999. Based on an original idea by Massimiliano Pala
5  * (madwolf@openca.org).
6  */
7 /* ====================================================================
8  * Copyright (c) 1999 The OpenSSL Project.  All rights reserved.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions and the following disclaimer. 
16  *
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in
19  *    the documentation and/or other materials provided with the
20  *    distribution.
21  *
22  * 3. All advertising materials mentioning features or use of this
23  *    software must display the following acknowledgment:
24  *    "This product includes software developed by the OpenSSL Project
25  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
26  *
27  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
28  *    endorse or promote products derived from this software without
29  *    prior written permission. For written permission, please contact
30  *    licensing@OpenSSL.org.
31  *
32  * 5. Products derived from this software may not be called "OpenSSL"
33  *    nor may "OpenSSL" appear in their names without prior written
34  *    permission of the OpenSSL Project.
35  *
36  * 6. Redistributions of any form whatsoever must retain the following
37  *    acknowledgment:
38  *    "This product includes software developed by the OpenSSL Project
39  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
42  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
44  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
45  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
46  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
47  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
48  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
50  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
51  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
52  * OF THE POSSIBILITY OF SUCH DAMAGE.
53  * ====================================================================
54  *
55  * This product includes cryptographic software written by Eric Young
56  * (eay@cryptsoft.com).  This product includes software written by Tim
57  * Hudson (tjh@cryptsoft.com).
58  *
59  */
60 #include <stdio.h>
61 #include <stdlib.h>
62 #include <string.h>
63 #include <time.h>
64 #include "apps.h"
65 #include <openssl/bio.h>
66 #include <openssl/conf.h>
67 #include <openssl/err.h>
68 #include <openssl/evp.h>
69 #include <openssl/lhash.h>
70 #include <openssl/x509.h>
71 #include <openssl/pem.h>
72
73 #undef PROG
74 #define PROG    spkac_main
75
76 /* -in arg      - input file - default stdin
77  * -out arg     - output file - default stdout
78  */
79
80 int MAIN(int, char **);
81
82 int MAIN(int argc, char **argv)
83         {
84         ENGINE *e = NULL;
85         int i,badops=0, ret = 1;
86         BIO *in = NULL,*out = NULL;
87         int verify=0,noout=0,pubkey=0;
88         char *infile = NULL,*outfile = NULL,*prog;
89         char *passargin = NULL, *passin = NULL;
90         char *spkac = "SPKAC", *spksect = "default", *spkstr = NULL;
91         char *challenge = NULL, *keyfile = NULL;
92         CONF *conf = NULL;
93         NETSCAPE_SPKI *spki = NULL;
94         EVP_PKEY *pkey = NULL;
95 #ifndef OPENSSL_NO_ENGINE
96         char *engine=NULL;
97 #endif
98
99         apps_startup();
100
101         if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
102
103         if (!load_config(bio_err, NULL))
104                 goto end;
105
106         prog=argv[0];
107         argc--;
108         argv++;
109         while (argc >= 1)
110                 {
111                 if (strcmp(*argv,"-in") == 0)
112                         {
113                         if (--argc < 1) goto bad;
114                         infile= *(++argv);
115                         }
116                 else if (strcmp(*argv,"-out") == 0)
117                         {
118                         if (--argc < 1) goto bad;
119                         outfile= *(++argv);
120                         }
121                 else if (strcmp(*argv,"-passin") == 0)
122                         {
123                         if (--argc < 1) goto bad;
124                         passargin= *(++argv);
125                         }
126                 else if (strcmp(*argv,"-key") == 0)
127                         {
128                         if (--argc < 1) goto bad;
129                         keyfile= *(++argv);
130                         }
131                 else if (strcmp(*argv,"-challenge") == 0)
132                         {
133                         if (--argc < 1) goto bad;
134                         challenge= *(++argv);
135                         }
136                 else if (strcmp(*argv,"-spkac") == 0)
137                         {
138                         if (--argc < 1) goto bad;
139                         spkac= *(++argv);
140                         }
141                 else if (strcmp(*argv,"-spksect") == 0)
142                         {
143                         if (--argc < 1) goto bad;
144                         spksect= *(++argv);
145                         }
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 if (strcmp(*argv,"-noout") == 0)
154                         noout=1;
155                 else if (strcmp(*argv,"-pubkey") == 0)
156                         pubkey=1;
157                 else if (strcmp(*argv,"-verify") == 0)
158                         verify=1;
159                 else badops = 1;
160                 argc--;
161                 argv++;
162                 }
163
164         if (badops)
165                 {
166 bad:
167                 BIO_printf(bio_err,"%s [options]\n",prog);
168                 BIO_printf(bio_err,"where options are\n");
169                 BIO_printf(bio_err," -in arg        input file\n");
170                 BIO_printf(bio_err," -out arg       output file\n");
171                 BIO_printf(bio_err," -key arg       create SPKAC using private key\n");
172                 BIO_printf(bio_err," -passin arg    input file pass phrase source\n");
173                 BIO_printf(bio_err," -challenge arg challenge string\n");
174                 BIO_printf(bio_err," -spkac arg     alternative SPKAC name\n");
175                 BIO_printf(bio_err," -noout         don't print SPKAC\n");
176                 BIO_printf(bio_err," -pubkey        output public key\n");
177                 BIO_printf(bio_err," -verify        verify SPKAC signature\n");
178 #ifndef OPENSSL_NO_ENGINE
179                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device.\n");
180 #endif
181                 goto end;
182                 }
183
184         ERR_load_crypto_strings();
185         if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
186                 BIO_printf(bio_err, "Error getting password\n");
187                 goto end;
188         }
189
190 #ifndef OPENSSL_NO_ENGINE
191         e = setup_engine(bio_err, engine, 0);
192 #endif
193
194         if(keyfile) {
195                 pkey = load_key(bio_err,
196                                 strcmp(keyfile, "-") ? keyfile : NULL,
197                                 FORMAT_PEM, 1, passin, e, "private key");
198                 if(!pkey) {
199                         goto end;
200                 }
201                 spki = NETSCAPE_SPKI_new();
202                 if(challenge) ASN1_STRING_set(spki->spkac->challenge,
203                                                  challenge, strlen(challenge));
204                 NETSCAPE_SPKI_set_pubkey(spki, pkey);
205                 NETSCAPE_SPKI_sign(spki, pkey, EVP_md5());
206                 spkstr = NETSCAPE_SPKI_b64_encode(spki);
207
208                 if (outfile) out = BIO_new_file(outfile, "w");
209                 else {
210                         out = BIO_new_fp(stdout, BIO_NOCLOSE);
211 #ifdef OPENSSL_SYS_VMS
212                         {
213                             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
214                             out = BIO_push(tmpbio, out);
215                         }
216 #endif
217                 }
218
219                 if(!out) {
220                         BIO_printf(bio_err, "Error opening output file\n");
221                         ERR_print_errors(bio_err);
222                         goto end;
223                 }
224                 BIO_printf(out, "SPKAC=%s\n", spkstr);
225                 OPENSSL_free(spkstr);
226                 ret = 0;
227                 goto end;
228         }
229
230         
231
232         if (infile) in = BIO_new_file(infile, "r");
233         else in = BIO_new_fp(stdin, BIO_NOCLOSE);
234
235         if(!in) {
236                 BIO_printf(bio_err, "Error opening input file\n");
237                 ERR_print_errors(bio_err);
238                 goto end;
239         }
240
241         conf = NCONF_new(NULL);
242         i = NCONF_load_bio(conf, in, NULL);
243
244         if(!i) {
245                 BIO_printf(bio_err, "Error parsing config file\n");
246                 ERR_print_errors(bio_err);
247                 goto end;
248         }
249
250         spkstr = NCONF_get_string(conf, spksect, spkac);
251                 
252         if(!spkstr) {
253                 BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac);
254                 ERR_print_errors(bio_err);
255                 goto end;
256         }
257
258         spki = NETSCAPE_SPKI_b64_decode(spkstr, -1);
259         
260         if(!spki) {
261                 BIO_printf(bio_err, "Error loading SPKAC\n");
262                 ERR_print_errors(bio_err);
263                 goto end;
264         }
265
266         if (outfile) out = BIO_new_file(outfile, "w");
267         else {
268                 out = BIO_new_fp(stdout, BIO_NOCLOSE);
269 #ifdef OPENSSL_SYS_VMS
270                 {
271                     BIO *tmpbio = BIO_new(BIO_f_linebuffer());
272                     out = BIO_push(tmpbio, out);
273                 }
274 #endif
275         }
276
277         if(!out) {
278                 BIO_printf(bio_err, "Error opening output file\n");
279                 ERR_print_errors(bio_err);
280                 goto end;
281         }
282
283         if(!noout) NETSCAPE_SPKI_print(out, spki);
284         pkey = NETSCAPE_SPKI_get_pubkey(spki);
285         if(verify) {
286                 i = NETSCAPE_SPKI_verify(spki, pkey);
287                 if(i) BIO_printf(bio_err, "Signature OK\n");
288                 else {
289                         BIO_printf(bio_err, "Signature Failure\n");
290                         ERR_print_errors(bio_err);
291                         goto end;
292                 }
293         }
294         if(pubkey) PEM_write_bio_PUBKEY(out, pkey);
295
296         ret = 0;
297
298 end:
299         NCONF_free(conf);
300         NETSCAPE_SPKI_free(spki);
301         BIO_free(in);
302         BIO_free_all(out);
303         EVP_PKEY_free(pkey);
304         if(passin) OPENSSL_free(passin);
305         apps_shutdown();
306         OPENSSL_EXIT(ret);
307         }