1 /* apps/spkac.c */
2
3 /* Written by Dr Stephen N Henson (steve@openssl.org) 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
MAIN(int argc,char ** argv)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 const char *spkac = "SPKAC", *spksect = "default";
91 char *spkstr = NULL;
92 char *challenge = NULL, *keyfile = NULL;
93 CONF *conf = NULL;
94 NETSCAPE_SPKI *spki = NULL;
95 EVP_PKEY *pkey = NULL;
96 #ifndef OPENSSL_NO_ENGINE
97 char *engine=NULL;
98 #endif
99
100 apps_startup();
101
102 if (!bio_err) bio_err = BIO_new_fp(stderr, BIO_NOCLOSE);
103
104 if (!load_config(bio_err, NULL))
105 goto end;
106
107 prog=argv[0];
108 argc--;
109 argv++;
110 while (argc >= 1)
111 {
112 if (strcmp(*argv,"-in") == 0)
113 {
114 if (--argc < 1) goto bad;
115 infile= *(++argv);
116 }
117 else if (strcmp(*argv,"-out") == 0)
118 {
119 if (--argc < 1) goto bad;
120 outfile= *(++argv);
121 }
122 else if (strcmp(*argv,"-passin") == 0)
123 {
124 if (--argc < 1) goto bad;
125 passargin= *(++argv);
126 }
127 else if (strcmp(*argv,"-key") == 0)
128 {
129 if (--argc < 1) goto bad;
130 keyfile= *(++argv);
131 }
132 else if (strcmp(*argv,"-challenge") == 0)
133 {
134 if (--argc < 1) goto bad;
135 challenge= *(++argv);
136 }
137 else if (strcmp(*argv,"-spkac") == 0)
138 {
139 if (--argc < 1) goto bad;
140 spkac= *(++argv);
141 }
142 else if (strcmp(*argv,"-spksect") == 0)
143 {
144 if (--argc < 1) goto bad;
145 spksect= *(++argv);
146 }
147 #ifndef OPENSSL_NO_ENGINE
148 else if (strcmp(*argv,"-engine") == 0)
149 {
150 if (--argc < 1) goto bad;
151 engine= *(++argv);
152 }
153 #endif
154 else if (strcmp(*argv,"-noout") == 0)
155 noout=1;
156 else if (strcmp(*argv,"-pubkey") == 0)
157 pubkey=1;
158 else if (strcmp(*argv,"-verify") == 0)
159 verify=1;
160 else badops = 1;
161 argc--;
162 argv++;
163 }
164
165 if (badops)
166 {
167 bad:
168 BIO_printf(bio_err,"%s [options]\n",prog);
169 BIO_printf(bio_err,"where options are\n");
170 BIO_printf(bio_err," -in arg input file\n");
171 BIO_printf(bio_err," -out arg output file\n");
172 BIO_printf(bio_err," -key arg create SPKAC using private key\n");
173 BIO_printf(bio_err," -passin arg input file pass phrase source\n");
174 BIO_printf(bio_err," -challenge arg challenge string\n");
175 BIO_printf(bio_err," -spkac arg alternative SPKAC name\n");
176 BIO_printf(bio_err," -noout don't print SPKAC\n");
177 BIO_printf(bio_err," -pubkey output public key\n");
178 BIO_printf(bio_err," -verify verify SPKAC signature\n");
179 #ifndef OPENSSL_NO_ENGINE
180 BIO_printf(bio_err," -engine e use engine e, possibly a hardware device.\n");
181 #endif
182 goto end;
183 }
184
185 ERR_load_crypto_strings();
186 if(!app_passwd(bio_err, passargin, NULL, &passin, NULL)) {
187 BIO_printf(bio_err, "Error getting password\n");
188 goto end;
189 }
190
191 #ifndef OPENSSL_NO_ENGINE
192 e = setup_engine(bio_err, engine, 0);
193 #endif
194
195 if(keyfile) {
196 pkey = load_key(bio_err,
197 strcmp(keyfile, "-") ? keyfile : NULL,
198 FORMAT_PEM, 1, passin, e, "private key");
199 if(!pkey) {
200 goto end;
201 }
202 spki = NETSCAPE_SPKI_new();
203 if(challenge) ASN1_STRING_set(spki->spkac->challenge,
204 challenge, (int)strlen(challenge));
205 NETSCAPE_SPKI_set_pubkey(spki, pkey);
206 NETSCAPE_SPKI_sign(spki, pkey, EVP_md5());
207 spkstr = NETSCAPE_SPKI_b64_encode(spki);
208
209 if (outfile) out = BIO_new_file(outfile, "w");
210 else {
211 out = BIO_new_fp(stdout, BIO_NOCLOSE);
212 #ifdef OPENSSL_SYS_VMS
213 {
214 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
215 out = BIO_push(tmpbio, out);
216 }
217 #endif
218 }
219
220 if(!out) {
221 BIO_printf(bio_err, "Error opening output file\n");
222 ERR_print_errors(bio_err);
223 goto end;
224 }
225 BIO_printf(out, "SPKAC=%s\n", spkstr);
226 OPENSSL_free(spkstr);
227 ret = 0;
228 goto end;
229 }
230
231
232
233 if (infile) in = BIO_new_file(infile, "r");
234 else in = BIO_new_fp(stdin, BIO_NOCLOSE);
235
236 if(!in) {
237 BIO_printf(bio_err, "Error opening input file\n");
238 ERR_print_errors(bio_err);
239 goto end;
240 }
241
242 conf = NCONF_new(NULL);
243 i = NCONF_load_bio(conf, in, NULL);
244
245 if(!i) {
246 BIO_printf(bio_err, "Error parsing config file\n");
247 ERR_print_errors(bio_err);
248 goto end;
249 }
250
251 spkstr = NCONF_get_string(conf, spksect, spkac);
252
253 if(!spkstr) {
254 BIO_printf(bio_err, "Can't find SPKAC called \"%s\"\n", spkac);
255 ERR_print_errors(bio_err);
256 goto end;
257 }
258
259 spki = NETSCAPE_SPKI_b64_decode(spkstr, -1);
260
261 if(!spki) {
262 BIO_printf(bio_err, "Error loading SPKAC\n");
263 ERR_print_errors(bio_err);
264 goto end;
265 }
266
267 if (outfile) out = BIO_new_file(outfile, "w");
268 else {
269 out = BIO_new_fp(stdout, BIO_NOCLOSE);
270 #ifdef OPENSSL_SYS_VMS
271 {
272 BIO *tmpbio = BIO_new(BIO_f_linebuffer());
273 out = BIO_push(tmpbio, out);
274 }
275 #endif
276 }
277
278 if(!out) {
279 BIO_printf(bio_err, "Error opening output file\n");
280 ERR_print_errors(bio_err);
281 goto end;
282 }
283
284 if(!noout) NETSCAPE_SPKI_print(out, spki);
285 pkey = NETSCAPE_SPKI_get_pubkey(spki);
286 if(verify) {
287 i = NETSCAPE_SPKI_verify(spki, pkey);
288 if (i > 0) BIO_printf(bio_err, "Signature OK\n");
289 else {
290 BIO_printf(bio_err, "Signature Failure\n");
291 ERR_print_errors(bio_err);
292 goto end;
293 }
294 }
295 if(pubkey) PEM_write_bio_PUBKEY(out, pkey);
296
297 ret = 0;
298
299 end:
300 NCONF_free(conf);
301 NETSCAPE_SPKI_free(spki);
302 BIO_free(in);
303 BIO_free_all(out);
304 EVP_PKEY_free(pkey);
305 if(passin) OPENSSL_free(passin);
306 apps_shutdown();
307 OPENSSL_EXIT(ret);
308 }
309