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1 | /* apps/spkac.c */ | |
2 | ||
3 | /* | |
4 | * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project | |
5 | * 1999. Based on an original idea by Massimiliano Pala (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 | /*- | |
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 | const char *spkac = "SPKAC", *spksect = "default"; | |
92 | char *spkstr = NULL; | |
93 | char *challenge = NULL, *keyfile = NULL; | |
94 | CONF *conf = NULL; | |
95 | NETSCAPE_SPKI *spki = NULL; | |
96 | EVP_PKEY *pkey = NULL; | |
97 | #ifndef OPENSSL_NO_ENGINE | |
98 | char *engine = NULL; | |
99 | #endif | |
100 | ||
101 | apps_startup(); | |
102 | ||
103 | if (!bio_err) | |
104 | bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); | |
105 | ||
106 | if (!load_config(bio_err, NULL)) | |
107 | goto end; | |
108 | ||
109 | prog = argv[0]; | |
110 | argc--; | |
111 | argv++; | |
112 | while (argc >= 1) { | |
113 | if (strcmp(*argv, "-in") == 0) { | |
114 | if (--argc < 1) | |
115 | goto bad; | |
116 | infile = *(++argv); | |
117 | } else if (strcmp(*argv, "-out") == 0) { | |
118 | if (--argc < 1) | |
119 | goto bad; | |
120 | outfile = *(++argv); | |
121 | } else if (strcmp(*argv, "-passin") == 0) { | |
122 | if (--argc < 1) | |
123 | goto bad; | |
124 | passargin = *(++argv); | |
125 | } else if (strcmp(*argv, "-key") == 0) { | |
126 | if (--argc < 1) | |
127 | goto bad; | |
128 | keyfile = *(++argv); | |
129 | } else if (strcmp(*argv, "-challenge") == 0) { | |
130 | if (--argc < 1) | |
131 | goto bad; | |
132 | challenge = *(++argv); | |
133 | } else if (strcmp(*argv, "-spkac") == 0) { | |
134 | if (--argc < 1) | |
135 | goto bad; | |
136 | spkac = *(++argv); | |
137 | } else if (strcmp(*argv, "-spksect") == 0) { | |
138 | if (--argc < 1) | |
139 | goto bad; | |
140 | spksect = *(++argv); | |
141 | } | |
142 | #ifndef OPENSSL_NO_ENGINE | |
143 | else if (strcmp(*argv, "-engine") == 0) { | |
144 | if (--argc < 1) | |
145 | goto bad; | |
146 | engine = *(++argv); | |
147 | } | |
148 | #endif | |
149 | else if (strcmp(*argv, "-noout") == 0) | |
150 | noout = 1; | |
151 | else if (strcmp(*argv, "-pubkey") == 0) | |
152 | pubkey = 1; | |
153 | else if (strcmp(*argv, "-verify") == 0) | |
154 | verify = 1; | |
155 | else | |
156 | badops = 1; | |
157 | argc--; | |
158 | argv++; | |
159 | } | |
160 | ||
161 | if (badops) { | |
162 | bad: | |
163 | BIO_printf(bio_err, "%s [options]\n", prog); | |
164 | BIO_printf(bio_err, "where options are\n"); | |
165 | BIO_printf(bio_err, " -in arg input file\n"); | |
166 | BIO_printf(bio_err, " -out arg output file\n"); | |
167 | BIO_printf(bio_err, | |
168 | " -key arg create SPKAC using private key\n"); | |
169 | BIO_printf(bio_err, | |
170 | " -passin arg input file pass phrase source\n"); | |
171 | BIO_printf(bio_err, " -challenge arg challenge string\n"); | |
172 | BIO_printf(bio_err, " -spkac arg alternative SPKAC name\n"); | |
173 | BIO_printf(bio_err, " -noout don't print SPKAC\n"); | |
174 | BIO_printf(bio_err, " -pubkey output public key\n"); | |
175 | BIO_printf(bio_err, " -verify verify SPKAC signature\n"); | |
176 | #ifndef OPENSSL_NO_ENGINE | |
177 | BIO_printf(bio_err, | |
178 | " -engine e use engine e, possibly a hardware device.\n"); | |
179 | #endif | |
180 | goto end; | |
181 | } | |
182 | ||
183 | ERR_load_crypto_strings(); | |
184 | if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) { | |
185 | BIO_printf(bio_err, "Error getting password\n"); | |
186 | goto end; | |
187 | } | |
188 | #ifndef OPENSSL_NO_ENGINE | |
189 | e = setup_engine(bio_err, engine, 0); | |
190 | #endif | |
191 | ||
192 | if (keyfile) { | |
193 | pkey = load_key(bio_err, | |
194 | strcmp(keyfile, "-") ? keyfile : NULL, | |
195 | FORMAT_PEM, 1, passin, e, "private key"); | |
196 | if (!pkey) { | |
197 | goto end; | |
198 | } | |
199 | spki = NETSCAPE_SPKI_new(); | |
200 | if (challenge) | |
201 | ASN1_STRING_set(spki->spkac->challenge, | |
202 | challenge, (int)strlen(challenge)); | |
203 | NETSCAPE_SPKI_set_pubkey(spki, pkey); | |
204 | NETSCAPE_SPKI_sign(spki, pkey, EVP_md5()); | |
205 | spkstr = NETSCAPE_SPKI_b64_encode(spki); | |
206 | ||
207 | if (outfile) | |
208 | 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 | if (infile) | |
231 | in = BIO_new_file(infile, "r"); | |
232 | else | |
233 | 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) | |
267 | 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) | |
285 | NETSCAPE_SPKI_print(out, spki); | |
286 | pkey = NETSCAPE_SPKI_get_pubkey(spki); | |
287 | if (verify) { | |
288 | i = NETSCAPE_SPKI_verify(spki, pkey); | |
289 | if (i > 0) | |
290 | BIO_printf(bio_err, "Signature OK\n"); | |
291 | else { | |
292 | BIO_printf(bio_err, "Signature Failure\n"); | |
293 | ERR_print_errors(bio_err); | |
294 | goto end; | |
295 | } | |
296 | } | |
297 | if (pubkey) | |
298 | PEM_write_bio_PUBKEY(out, pkey); | |
299 | ||
300 | ret = 0; | |
301 | ||
302 | end: | |
303 | NCONF_free(conf); | |
304 | NETSCAPE_SPKI_free(spki); | |
305 | BIO_free(in); | |
306 | BIO_free_all(out); | |
307 | EVP_PKEY_free(pkey); | |
308 | if (passin) | |
309 | OPENSSL_free(passin); | |
310 | apps_shutdown(); | |
311 | OPENSSL_EXIT(ret); | |
312 | } |