Modify apps to use NCONF code instead of old CONF code.
[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 #include <openssl/engine.h>
73
74 #undef PROG
75 #define PROG    spkac_main
76
77 /* -in arg      - input file - default stdin
78  * -out arg     - output file - default stdout
79  */
80
81 int MAIN(int, char **);
82
83 int MAIN(int argc, char **argv)
84         {
85         ENGINE *e = NULL;
86         int i,badops=0, ret = 1;
87         BIO *in = NULL,*out = NULL;
88         int verify=0,noout=0,pubkey=0;
89         char *infile = NULL,*outfile = NULL,*prog;
90         char *passargin = NULL, *passin = NULL;
91         char *spkac = "SPKAC", *spksect = "default", *spkstr = NULL;
92         char *challenge = NULL, *keyfile = NULL;
93         CONF *conf = NULL;
94         NETSCAPE_SPKI *spki = NULL;
95         EVP_PKEY *pkey = NULL;
96         char *engine=NULL;
97
98         apps_startup();
99
100         if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
101
102         prog=argv[0];
103         argc--;
104         argv++;
105         while (argc >= 1)
106                 {
107                 if (strcmp(*argv,"-in") == 0)
108                         {
109                         if (--argc < 1) goto bad;
110                         infile= *(++argv);
111                         }
112                 else if (strcmp(*argv,"-out") == 0)
113                         {
114                         if (--argc < 1) goto bad;
115                         outfile= *(++argv);
116                         }
117                 else if (strcmp(*argv,"-passin") == 0)
118                         {
119                         if (--argc < 1) goto bad;
120                         passargin= *(++argv);
121                         }
122                 else if (strcmp(*argv,"-key") == 0)
123                         {
124                         if (--argc < 1) goto bad;
125                         keyfile= *(++argv);
126                         }
127                 else if (strcmp(*argv,"-challenge") == 0)
128                         {
129                         if (--argc < 1) goto bad;
130                         challenge= *(++argv);
131                         }
132                 else if (strcmp(*argv,"-spkac") == 0)
133                         {
134                         if (--argc < 1) goto bad;
135                         spkac= *(++argv);
136                         }
137                 else if (strcmp(*argv,"-spksect") == 0)
138                         {
139                         if (--argc < 1) goto bad;
140                         spksect= *(++argv);
141                         }
142                 else if (strcmp(*argv,"-engine") == 0)
143                         {
144                         if (--argc < 1) goto bad;
145                         engine= *(++argv);
146                         }
147                 else if (strcmp(*argv,"-noout") == 0)
148                         noout=1;
149                 else if (strcmp(*argv,"-pubkey") == 0)
150                         pubkey=1;
151                 else if (strcmp(*argv,"-verify") == 0)
152                         verify=1;
153                 else badops = 1;
154                 argc--;
155                 argv++;
156                 }
157
158         if (badops)
159                 {
160 bad:
161                 BIO_printf(bio_err,"%s [options]\n",prog);
162                 BIO_printf(bio_err,"where options are\n");
163                 BIO_printf(bio_err," -in arg        input file\n");
164                 BIO_printf(bio_err," -out arg       output file\n");
165                 BIO_printf(bio_err," -key arg       create SPKAC using private key\n");
166                 BIO_printf(bio_err," -passin arg    input file pass phrase source\n");
167                 BIO_printf(bio_err," -challenge arg challenge string\n");
168                 BIO_printf(bio_err," -spkac arg     alternative SPKAC name\n");
169                 BIO_printf(bio_err," -noout         don't print SPKAC\n");
170                 BIO_printf(bio_err," -pubkey        output public key\n");
171                 BIO_printf(bio_err," -verify        verify SPKAC signature\n");
172                 BIO_printf(bio_err," -engine e      use engine e, possibly a hardware device.\n");
173                 goto end;
174                 }
175
176         ERR_load_crypto_strings();
177         if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
178                 BIO_printf(bio_err, "Error getting password\n");
179                 goto end;
180         }
181
182         e = setup_engine(bio_err, engine, 0);
183
184         if(keyfile) {
185                 pkey = load_key(bio_err,
186                                 strcmp(keyfile, "-") ? keyfile : NULL,
187                                 FORMAT_PEM, passin, e, "private key");
188                 if(!pkey) {
189                         goto end;
190                 }
191                 spki = NETSCAPE_SPKI_new();
192                 if(challenge) ASN1_STRING_set(spki->spkac->challenge,
193                                                  challenge, strlen(challenge));
194                 NETSCAPE_SPKI_set_pubkey(spki, pkey);
195                 NETSCAPE_SPKI_sign(spki, pkey, EVP_md5());
196                 spkstr = NETSCAPE_SPKI_b64_encode(spki);
197
198                 if (outfile) out = BIO_new_file(outfile, "w");
199                 else {
200                         out = BIO_new_fp(stdout, BIO_NOCLOSE);
201 #ifdef OPENSSL_SYS_VMS
202                         {
203                             BIO *tmpbio = BIO_new(BIO_f_linebuffer());
204                             out = BIO_push(tmpbio, out);
205                         }
206 #endif
207                 }
208
209                 if(!out) {
210                         BIO_printf(bio_err, "Error opening output file\n");
211                         ERR_print_errors(bio_err);
212                         goto end;
213                 }
214                 BIO_printf(out, "SPKAC=%s\n", spkstr);
215                 OPENSSL_free(spkstr);
216                 ret = 0;
217                 goto end;
218         }
219
220         
221
222         if (infile) in = BIO_new_file(infile, "r");
223         else in = BIO_new_fp(stdin, BIO_NOCLOSE);
224
225         if(!in) {
226                 BIO_printf(bio_err, "Error opening input file\n");
227                 ERR_print_errors(bio_err);
228                 goto end;
229         }
230
231         conf = NCONF_new(NULL);
232         i = NCONF_load_bio(conf, in, NULL);
233
234         if(!i) {
235                 BIO_printf(bio_err, "Error parsing config file\n");
236                 ERR_print_errors(bio_err);
237                 goto end;
238         }
239
240         spkstr = NCONF_get_string(conf, spksect, spkac);
241                 
242         if(!spkstr) {
243                 BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac);
244                 ERR_print_errors(bio_err);
245                 goto end;
246         }
247
248         spki = NETSCAPE_SPKI_b64_decode(spkstr, -1);
249         
250         if(!spki) {
251                 BIO_printf(bio_err, "Error loading SPKAC\n");
252                 ERR_print_errors(bio_err);
253                 goto end;
254         }
255
256         if (outfile) out = BIO_new_file(outfile, "w");
257         else {
258                 out = BIO_new_fp(stdout, BIO_NOCLOSE);
259 #ifdef OPENSSL_SYS_VMS
260                 {
261                     BIO *tmpbio = BIO_new(BIO_f_linebuffer());
262                     out = BIO_push(tmpbio, out);
263                 }
264 #endif
265         }
266
267         if(!out) {
268                 BIO_printf(bio_err, "Error opening output file\n");
269                 ERR_print_errors(bio_err);
270                 goto end;
271         }
272
273         if(!noout) NETSCAPE_SPKI_print(out, spki);
274         pkey = NETSCAPE_SPKI_get_pubkey(spki);
275         if(verify) {
276                 i = NETSCAPE_SPKI_verify(spki, pkey);
277                 if(i) BIO_printf(bio_err, "Signature OK\n");
278                 else {
279                         BIO_printf(bio_err, "Signature Failure\n");
280                         ERR_print_errors(bio_err);
281                         goto end;
282                 }
283         }
284         if(pubkey) PEM_write_bio_PUBKEY(out, pkey);
285
286         ret = 0;
287
288 end:
289         NCONF_free(conf);
290         NETSCAPE_SPKI_free(spki);
291         BIO_free(in);
292         BIO_free_all(out);
293         EVP_PKEY_free(pkey);
294         if(passin) OPENSSL_free(passin);
295         apps_shutdown();
296         EXIT(ret);
297         }