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Commit | Line | Data |
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5a9a4b29 DSH |
1 | /* smime.c */ |
2 | /* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL | |
27068df7 | 3 | * project. |
5a9a4b29 DSH |
4 | */ |
5 | /* ==================================================================== | |
5d7c222d | 6 | * Copyright (c) 1999-2004 The OpenSSL Project. All rights reserved. |
5a9a4b29 DSH |
7 | * |
8 | * Redistribution and use in source and binary forms, with or without | |
9 | * modification, are permitted provided that the following conditions | |
10 | * are met: | |
11 | * | |
12 | * 1. Redistributions of source code must retain the above copyright | |
13 | * notice, this list of conditions and the following disclaimer. | |
14 | * | |
15 | * 2. Redistributions in binary form must reproduce the above copyright | |
16 | * notice, this list of conditions and the following disclaimer in | |
17 | * the documentation and/or other materials provided with the | |
18 | * distribution. | |
19 | * | |
20 | * 3. All advertising materials mentioning features or use of this | |
21 | * software must display the following acknowledgment: | |
22 | * "This product includes software developed by the OpenSSL Project | |
23 | * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" | |
24 | * | |
25 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
26 | * endorse or promote products derived from this software without | |
27 | * prior written permission. For written permission, please contact | |
28 | * licensing@OpenSSL.org. | |
29 | * | |
30 | * 5. Products derived from this software may not be called "OpenSSL" | |
31 | * nor may "OpenSSL" appear in their names without prior written | |
32 | * permission of the OpenSSL Project. | |
33 | * | |
34 | * 6. Redistributions of any form whatsoever must retain the following | |
35 | * acknowledgment: | |
36 | * "This product includes software developed by the OpenSSL Project | |
37 | * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" | |
38 | * | |
39 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
40 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
42 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
43 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
44 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
45 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
46 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
48 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
49 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
50 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
51 | * ==================================================================== | |
52 | * | |
53 | * This product includes cryptographic software written by Eric Young | |
54 | * (eay@cryptsoft.com). This product includes software written by Tim | |
55 | * Hudson (tjh@cryptsoft.com). | |
56 | * | |
57 | */ | |
58 | ||
59 | /* S/MIME utility function */ | |
60 | ||
61 | #include <stdio.h> | |
62 | #include <string.h> | |
36217a94 | 63 | #include "apps.h" |
11afb40c | 64 | #include <openssl/crypto.h> |
5a9a4b29 DSH |
65 | #include <openssl/pem.h> |
66 | #include <openssl/err.h> | |
5d7c222d DSH |
67 | #include <openssl/x509_vfy.h> |
68 | #include <openssl/x509v3.h> | |
5a9a4b29 DSH |
69 | |
70 | #undef PROG | |
71 | #define PROG smime_main | |
55ec5861 | 72 | static int save_certs(char *signerfile, STACK_OF(X509) *signers); |
5d7c222d | 73 | static int smime_cb(int ok, X509_STORE_CTX *ctx); |
5a9a4b29 DSH |
74 | |
75 | #define SMIME_OP 0x10 | |
55311921 DSH |
76 | #define SMIME_IP 0x20 |
77 | #define SMIME_SIGNERS 0x40 | |
5a9a4b29 | 78 | #define SMIME_ENCRYPT (1 | SMIME_OP) |
55311921 DSH |
79 | #define SMIME_DECRYPT (2 | SMIME_IP) |
80 | #define SMIME_SIGN (3 | SMIME_OP | SMIME_SIGNERS) | |
81 | #define SMIME_VERIFY (4 | SMIME_IP) | |
216e0d5b | 82 | #define SMIME_PK7OUT (5 | SMIME_IP | SMIME_OP) |
55311921 | 83 | #define SMIME_RESIGN (6 | SMIME_IP | SMIME_OP | SMIME_SIGNERS) |
5a9a4b29 | 84 | |
667ac4ec RE |
85 | int MAIN(int, char **); |
86 | ||
5a9a4b29 | 87 | int MAIN(int argc, char **argv) |
4ec3d785 | 88 | { |
5270e702 | 89 | ENGINE *e = NULL; |
5a9a4b29 DSH |
90 | int operation = 0; |
91 | int ret = 0; | |
92 | char **args; | |
7d727231 | 93 | const char *inmode = "r", *outmode = "w"; |
5a9a4b29 DSH |
94 | char *infile = NULL, *outfile = NULL; |
95 | char *signerfile = NULL, *recipfile = NULL; | |
5ce278a7 | 96 | STACK_OF(STRING) *sksigners = NULL, *skkeys = NULL; |
094fe66d | 97 | char *certfile = NULL, *keyfile = NULL, *contfile=NULL; |
13588350 | 98 | const EVP_CIPHER *cipher = NULL; |
5a9a4b29 DSH |
99 | PKCS7 *p7 = NULL; |
100 | X509_STORE *store = NULL; | |
101 | X509 *cert = NULL, *recip = NULL, *signer = NULL; | |
102 | EVP_PKEY *key = NULL; | |
103 | STACK_OF(X509) *encerts = NULL, *other = NULL; | |
104 | BIO *in = NULL, *out = NULL, *indata = NULL; | |
105 | int badarg = 0; | |
5d7c222d | 106 | int flags = PKCS7_DETACHED; |
5a9a4b29 | 107 | char *to = NULL, *from = NULL, *subject = NULL; |
a3fe382e DSH |
108 | char *CAfile = NULL, *CApath = NULL; |
109 | char *passargin = NULL, *passin = NULL; | |
f365611c | 110 | char *inrand = NULL; |
d13e4eb0 | 111 | int need_rand = 0; |
9cfc8a9d | 112 | int indef = 0; |
55311921 | 113 | const EVP_MD *sign_md = NULL; |
094fe66d | 114 | int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; |
95874603 | 115 | int keyform = FORMAT_PEM; |
0b13e9f0 | 116 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 117 | char *engine=NULL; |
0b13e9f0 | 118 | #endif |
5a9a4b29 | 119 | |
5d7c222d DSH |
120 | X509_VERIFY_PARAM *vpm = NULL; |
121 | ||
5270e702 | 122 | args = argv + 1; |
5a9a4b29 DSH |
123 | ret = 1; |
124 | ||
253ef218 DSH |
125 | apps_startup(); |
126 | ||
127 | if (bio_err == NULL) | |
4ec3d785 | 128 | { |
253ef218 DSH |
129 | if ((bio_err = BIO_new(BIO_s_file())) != NULL) |
130 | BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT); | |
4ec3d785 | 131 | } |
253ef218 | 132 | |
3647bee2 DSH |
133 | if (!load_config(bio_err, NULL)) |
134 | goto end; | |
135 | ||
4ec3d785 DSH |
136 | while (!badarg && *args && *args[0] == '-') |
137 | { | |
138 | if (!strcmp (*args, "-encrypt")) | |
139 | operation = SMIME_ENCRYPT; | |
140 | else if (!strcmp (*args, "-decrypt")) | |
141 | operation = SMIME_DECRYPT; | |
142 | else if (!strcmp (*args, "-sign")) | |
143 | operation = SMIME_SIGN; | |
55311921 DSH |
144 | else if (!strcmp (*args, "-resign")) |
145 | operation = SMIME_RESIGN; | |
4ec3d785 DSH |
146 | else if (!strcmp (*args, "-verify")) |
147 | operation = SMIME_VERIFY; | |
148 | else if (!strcmp (*args, "-pk7out")) | |
149 | operation = SMIME_PK7OUT; | |
cf1b7d96 | 150 | #ifndef OPENSSL_NO_DES |
5a9a4b29 DSH |
151 | else if (!strcmp (*args, "-des3")) |
152 | cipher = EVP_des_ede3_cbc(); | |
153 | else if (!strcmp (*args, "-des")) | |
154 | cipher = EVP_des_cbc(); | |
63da21c0 | 155 | #endif |
96afc1cf BM |
156 | #ifndef OPENSSL_NO_SEED |
157 | else if (!strcmp (*args, "-seed")) | |
158 | cipher = EVP_seed_cbc(); | |
159 | #endif | |
cf1b7d96 | 160 | #ifndef OPENSSL_NO_RC2 |
5a9a4b29 DSH |
161 | else if (!strcmp (*args, "-rc2-40")) |
162 | cipher = EVP_rc2_40_cbc(); | |
163 | else if (!strcmp (*args, "-rc2-128")) | |
164 | cipher = EVP_rc2_cbc(); | |
165 | else if (!strcmp (*args, "-rc2-64")) | |
166 | cipher = EVP_rc2_64_cbc(); | |
b3dfaaa1 RL |
167 | #endif |
168 | #ifndef OPENSSL_NO_AES | |
31188ee1 | 169 | else if (!strcmp(*args,"-aes128")) |
b3dfaaa1 | 170 | cipher = EVP_aes_128_cbc(); |
31188ee1 | 171 | else if (!strcmp(*args,"-aes192")) |
b3dfaaa1 | 172 | cipher = EVP_aes_192_cbc(); |
31188ee1 | 173 | else if (!strcmp(*args,"-aes256")) |
b3dfaaa1 | 174 | cipher = EVP_aes_256_cbc(); |
f3dea9a5 BM |
175 | #endif |
176 | #ifndef OPENSSL_NO_CAMELLIA | |
177 | else if (!strcmp(*args,"-camellia128")) | |
178 | cipher = EVP_camellia_128_cbc(); | |
179 | else if (!strcmp(*args,"-camellia192")) | |
180 | cipher = EVP_camellia_192_cbc(); | |
181 | else if (!strcmp(*args,"-camellia256")) | |
182 | cipher = EVP_camellia_256_cbc(); | |
63da21c0 | 183 | #endif |
5a9a4b29 DSH |
184 | else if (!strcmp (*args, "-text")) |
185 | flags |= PKCS7_TEXT; | |
186 | else if (!strcmp (*args, "-nointern")) | |
187 | flags |= PKCS7_NOINTERN; | |
188 | else if (!strcmp (*args, "-noverify")) | |
189 | flags |= PKCS7_NOVERIFY; | |
190 | else if (!strcmp (*args, "-nochain")) | |
191 | flags |= PKCS7_NOCHAIN; | |
192 | else if (!strcmp (*args, "-nocerts")) | |
193 | flags |= PKCS7_NOCERTS; | |
194 | else if (!strcmp (*args, "-noattr")) | |
195 | flags |= PKCS7_NOATTR; | |
196 | else if (!strcmp (*args, "-nodetach")) | |
197 | flags &= ~PKCS7_DETACHED; | |
34216c04 DSH |
198 | else if (!strcmp (*args, "-nosmimecap")) |
199 | flags |= PKCS7_NOSMIMECAP; | |
5a9a4b29 DSH |
200 | else if (!strcmp (*args, "-binary")) |
201 | flags |= PKCS7_BINARY; | |
e3775a33 DSH |
202 | else if (!strcmp (*args, "-nosigs")) |
203 | flags |= PKCS7_NOSIGS; | |
9cfc8a9d DSH |
204 | else if (!strcmp (*args, "-stream")) |
205 | indef = 1; | |
206 | else if (!strcmp (*args, "-indef")) | |
207 | indef = 1; | |
208 | else if (!strcmp (*args, "-noindef")) | |
209 | indef = 0; | |
beab098d DSH |
210 | else if (!strcmp (*args, "-nooldmime")) |
211 | flags |= PKCS7_NOOLDMIMETYPE; | |
212 | else if (!strcmp (*args, "-crlfeol")) | |
213 | flags |= PKCS7_CRLFEOL; | |
4ec3d785 DSH |
214 | else if (!strcmp(*args,"-rand")) |
215 | { | |
76cf3fcb DSH |
216 | if (!args[1]) |
217 | goto argerr; | |
218 | args++; | |
219 | inrand = *args; | |
d13e4eb0 | 220 | need_rand = 1; |
4ec3d785 | 221 | } |
0b13e9f0 | 222 | #ifndef OPENSSL_NO_ENGINE |
4ec3d785 DSH |
223 | else if (!strcmp(*args,"-engine")) |
224 | { | |
76cf3fcb DSH |
225 | if (!args[1]) |
226 | goto argerr; | |
227 | engine = *++args; | |
4ec3d785 | 228 | } |
0b13e9f0 | 229 | #endif |
4ec3d785 DSH |
230 | else if (!strcmp(*args,"-passin")) |
231 | { | |
76cf3fcb DSH |
232 | if (!args[1]) |
233 | goto argerr; | |
234 | passargin = *++args; | |
4ec3d785 DSH |
235 | } |
236 | else if (!strcmp (*args, "-to")) | |
237 | { | |
76cf3fcb DSH |
238 | if (!args[1]) |
239 | goto argerr; | |
240 | to = *++args; | |
4ec3d785 DSH |
241 | } |
242 | else if (!strcmp (*args, "-from")) | |
243 | { | |
76cf3fcb DSH |
244 | if (!args[1]) |
245 | goto argerr; | |
246 | from = *++args; | |
4ec3d785 DSH |
247 | } |
248 | else if (!strcmp (*args, "-subject")) | |
249 | { | |
76cf3fcb DSH |
250 | if (!args[1]) |
251 | goto argerr; | |
252 | subject = *++args; | |
4ec3d785 DSH |
253 | } |
254 | else if (!strcmp (*args, "-signer")) | |
255 | { | |
76cf3fcb DSH |
256 | if (!args[1]) |
257 | goto argerr; | |
a6e7fcd1 DSH |
258 | /* If previous -signer argument add signer to list */ |
259 | ||
260 | if (signerfile) | |
261 | { | |
262 | if (!sksigners) | |
5ce278a7 BL |
263 | sksigners = sk_STRING_new_null(); |
264 | sk_STRING_push(sksigners, signerfile); | |
a6e7fcd1 DSH |
265 | if (!keyfile) |
266 | keyfile = signerfile; | |
267 | if (!skkeys) | |
5ce278a7 BL |
268 | skkeys = sk_STRING_new_null(); |
269 | sk_STRING_push(skkeys, keyfile); | |
a6e7fcd1 DSH |
270 | keyfile = NULL; |
271 | } | |
76cf3fcb | 272 | signerfile = *++args; |
4ec3d785 DSH |
273 | } |
274 | else if (!strcmp (*args, "-recip")) | |
275 | { | |
76cf3fcb DSH |
276 | if (!args[1]) |
277 | goto argerr; | |
278 | recipfile = *++args; | |
4ec3d785 | 279 | } |
55311921 DSH |
280 | else if (!strcmp (*args, "-md")) |
281 | { | |
282 | if (!args[1]) | |
283 | goto argerr; | |
284 | sign_md = EVP_get_digestbyname(*++args); | |
285 | if (sign_md == NULL) | |
286 | { | |
287 | BIO_printf(bio_err, "Unknown digest %s\n", | |
288 | *args); | |
289 | goto argerr; | |
290 | } | |
291 | } | |
4ec3d785 DSH |
292 | else if (!strcmp (*args, "-inkey")) |
293 | { | |
76cf3fcb DSH |
294 | if (!args[1]) |
295 | goto argerr; | |
a6e7fcd1 DSH |
296 | /* If previous -inkey arument add signer to list */ |
297 | if (keyfile) | |
298 | { | |
299 | if (!signerfile) | |
300 | { | |
301 | BIO_puts(bio_err, "Illegal -inkey without -signer\n"); | |
302 | goto argerr; | |
303 | } | |
304 | if (!sksigners) | |
5ce278a7 BL |
305 | sksigners = sk_STRING_new_null(); |
306 | sk_STRING_push(sksigners, signerfile); | |
a6e7fcd1 DSH |
307 | signerfile = NULL; |
308 | if (!skkeys) | |
5ce278a7 BL |
309 | skkeys = sk_STRING_new_null(); |
310 | sk_STRING_push(skkeys, keyfile); | |
a6e7fcd1 | 311 | } |
76cf3fcb DSH |
312 | keyfile = *++args; |
313 | } | |
4ec3d785 DSH |
314 | else if (!strcmp (*args, "-keyform")) |
315 | { | |
76cf3fcb DSH |
316 | if (!args[1]) |
317 | goto argerr; | |
318 | keyform = str2fmt(*++args); | |
4ec3d785 DSH |
319 | } |
320 | else if (!strcmp (*args, "-certfile")) | |
321 | { | |
76cf3fcb DSH |
322 | if (!args[1]) |
323 | goto argerr; | |
324 | certfile = *++args; | |
4ec3d785 DSH |
325 | } |
326 | else if (!strcmp (*args, "-CAfile")) | |
327 | { | |
76cf3fcb DSH |
328 | if (!args[1]) |
329 | goto argerr; | |
330 | CAfile = *++args; | |
4ec3d785 DSH |
331 | } |
332 | else if (!strcmp (*args, "-CApath")) | |
333 | { | |
76cf3fcb DSH |
334 | if (!args[1]) |
335 | goto argerr; | |
336 | CApath = *++args; | |
4ec3d785 DSH |
337 | } |
338 | else if (!strcmp (*args, "-in")) | |
339 | { | |
76cf3fcb DSH |
340 | if (!args[1]) |
341 | goto argerr; | |
342 | infile = *++args; | |
4ec3d785 DSH |
343 | } |
344 | else if (!strcmp (*args, "-inform")) | |
345 | { | |
76cf3fcb DSH |
346 | if (!args[1]) |
347 | goto argerr; | |
348 | informat = str2fmt(*++args); | |
4ec3d785 DSH |
349 | } |
350 | else if (!strcmp (*args, "-outform")) | |
351 | { | |
76cf3fcb DSH |
352 | if (!args[1]) |
353 | goto argerr; | |
354 | outformat = str2fmt(*++args); | |
4ec3d785 DSH |
355 | } |
356 | else if (!strcmp (*args, "-out")) | |
357 | { | |
76cf3fcb DSH |
358 | if (!args[1]) |
359 | goto argerr; | |
360 | outfile = *++args; | |
4ec3d785 DSH |
361 | } |
362 | else if (!strcmp (*args, "-content")) | |
363 | { | |
76cf3fcb DSH |
364 | if (!args[1]) |
365 | goto argerr; | |
366 | contfile = *++args; | |
4ec3d785 | 367 | } |
c431798e | 368 | else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) |
5d7c222d | 369 | continue; |
c27309ed | 370 | else if ((cipher = EVP_get_cipherbyname(*args + 1)) == NULL) |
5d7c222d | 371 | badarg = 1; |
5a9a4b29 | 372 | args++; |
4ec3d785 | 373 | } |
5a9a4b29 | 374 | |
55311921 | 375 | if (!(operation & SMIME_SIGNERS) && (skkeys || sksigners)) |
a6e7fcd1 DSH |
376 | { |
377 | BIO_puts(bio_err, "Multiple signers or keys not allowed\n"); | |
378 | goto argerr; | |
379 | } | |
5d7c222d | 380 | |
55311921 | 381 | if (operation & SMIME_SIGNERS) |
4ec3d785 | 382 | { |
a6e7fcd1 DSH |
383 | /* Check to see if any final signer needs to be appended */ |
384 | if (keyfile && !signerfile) | |
385 | { | |
386 | BIO_puts(bio_err, "Illegal -inkey without -signer\n"); | |
387 | goto argerr; | |
388 | } | |
389 | if (signerfile) | |
390 | { | |
391 | if (!sksigners) | |
5ce278a7 BL |
392 | sksigners = sk_STRING_new_null(); |
393 | sk_STRING_push(sksigners, signerfile); | |
a6e7fcd1 | 394 | if (!skkeys) |
5ce278a7 | 395 | skkeys = sk_STRING_new_null(); |
a6e7fcd1 DSH |
396 | if (!keyfile) |
397 | keyfile = signerfile; | |
5ce278a7 | 398 | sk_STRING_push(skkeys, keyfile); |
a6e7fcd1 DSH |
399 | } |
400 | if (!sksigners) | |
4ec3d785 | 401 | { |
5a9a4b29 DSH |
402 | BIO_printf(bio_err, "No signer certificate specified\n"); |
403 | badarg = 1; | |
4ec3d785 | 404 | } |
a6e7fcd1 DSH |
405 | signerfile = NULL; |
406 | keyfile = NULL; | |
d13e4eb0 | 407 | need_rand = 1; |
4ec3d785 DSH |
408 | } |
409 | else if (operation == SMIME_DECRYPT) | |
410 | { | |
8f2e4fdf | 411 | if (!recipfile && !keyfile) |
4ec3d785 | 412 | { |
8f2e4fdf | 413 | BIO_printf(bio_err, "No recipient certificate or key specified\n"); |
5a9a4b29 | 414 | badarg = 1; |
4ec3d785 | 415 | } |
5a9a4b29 | 416 | } |
4ec3d785 DSH |
417 | else if (operation == SMIME_ENCRYPT) |
418 | { | |
419 | if (!*args) | |
420 | { | |
5a9a4b29 DSH |
421 | BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); |
422 | badarg = 1; | |
4ec3d785 | 423 | } |
d13e4eb0 | 424 | need_rand = 1; |
4ec3d785 DSH |
425 | } |
426 | else if (!operation) | |
427 | badarg = 1; | |
5a9a4b29 | 428 | |
4ec3d785 DSH |
429 | if (badarg) |
430 | { | |
76cf3fcb | 431 | argerr: |
5a9a4b29 DSH |
432 | BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n"); |
433 | BIO_printf (bio_err, "where options are\n"); | |
434 | BIO_printf (bio_err, "-encrypt encrypt message\n"); | |
435 | BIO_printf (bio_err, "-decrypt decrypt encrypted message\n"); | |
436 | BIO_printf (bio_err, "-sign sign message\n"); | |
437 | BIO_printf (bio_err, "-verify verify signed message\n"); | |
438 | BIO_printf (bio_err, "-pk7out output PKCS#7 structure\n"); | |
cf1b7d96 | 439 | #ifndef OPENSSL_NO_DES |
5a9a4b29 | 440 | BIO_printf (bio_err, "-des3 encrypt with triple DES\n"); |
63da21c0 BM |
441 | BIO_printf (bio_err, "-des encrypt with DES\n"); |
442 | #endif | |
96afc1cf BM |
443 | #ifndef OPENSSL_NO_SEED |
444 | BIO_printf (bio_err, "-seed encrypt with SEED\n"); | |
445 | #endif | |
cf1b7d96 | 446 | #ifndef OPENSSL_NO_RC2 |
63da21c0 | 447 | BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n"); |
5a9a4b29 DSH |
448 | BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n"); |
449 | BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n"); | |
b3dfaaa1 RL |
450 | #endif |
451 | #ifndef OPENSSL_NO_AES | |
452 | BIO_printf (bio_err, "-aes128, -aes192, -aes256\n"); | |
453 | BIO_printf (bio_err, " encrypt PEM output with cbc aes\n"); | |
f3dea9a5 BM |
454 | #endif |
455 | #ifndef OPENSSL_NO_CAMELLIA | |
456 | BIO_printf (bio_err, "-camellia128, -camellia192, -camellia256\n"); | |
457 | BIO_printf (bio_err, " encrypt PEM output with cbc camellia\n"); | |
63da21c0 | 458 | #endif |
e3775a33 DSH |
459 | BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n"); |
460 | BIO_printf (bio_err, "-nosigs don't verify message signature\n"); | |
461 | BIO_printf (bio_err, "-noverify don't verify signers certificate\n"); | |
462 | BIO_printf (bio_err, "-nocerts don't include signers certificate when signing\n"); | |
463 | BIO_printf (bio_err, "-nodetach use opaque signing\n"); | |
464 | BIO_printf (bio_err, "-noattr don't include any signed attributes\n"); | |
465 | BIO_printf (bio_err, "-binary don't translate message to text\n"); | |
5a9a4b29 DSH |
466 | BIO_printf (bio_err, "-certfile file other certificates file\n"); |
467 | BIO_printf (bio_err, "-signer file signer certificate file\n"); | |
2c736d07 | 468 | BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n"); |
5a9a4b29 | 469 | BIO_printf (bio_err, "-in file input file\n"); |
fd13f0ee | 470 | BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n"); |
5a9a4b29 | 471 | BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n"); |
95874603 | 472 | BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n"); |
5a9a4b29 | 473 | BIO_printf (bio_err, "-out file output file\n"); |
fd13f0ee DSH |
474 | BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n"); |
475 | BIO_printf (bio_err, "-content file supply or override content for detached signature\n"); | |
5a9a4b29 DSH |
476 | BIO_printf (bio_err, "-to addr to address\n"); |
477 | BIO_printf (bio_err, "-from ad from address\n"); | |
478 | BIO_printf (bio_err, "-subject s subject\n"); | |
479 | BIO_printf (bio_err, "-text include or delete text MIME headers\n"); | |
e3775a33 DSH |
480 | BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); |
481 | BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); | |
bdee69f7 DSH |
482 | BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n"); |
483 | BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); | |
0b13e9f0 | 484 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 485 | BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n"); |
0b13e9f0 | 486 | #endif |
93f11700 | 487 | BIO_printf (bio_err, "-passin arg input file pass phrase source\n"); |
afbd0746 | 488 | BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); |
d13e4eb0 DSH |
489 | BIO_printf(bio_err, " load the file (or the files in the directory) into\n"); |
490 | BIO_printf(bio_err, " the random number generator\n"); | |
2c736d07 | 491 | BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n"); |
5a9a4b29 | 492 | goto end; |
4ec3d785 | 493 | } |
5a9a4b29 | 494 | |
0b13e9f0 | 495 | #ifndef OPENSSL_NO_ENGINE |
531d630b | 496 | e = setup_engine(bio_err, engine, 0); |
0b13e9f0 | 497 | #endif |
5270e702 | 498 | |
4ec3d785 DSH |
499 | if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) |
500 | { | |
a3fe382e DSH |
501 | BIO_printf(bio_err, "Error getting password\n"); |
502 | goto end; | |
4ec3d785 | 503 | } |
a3fe382e | 504 | |
4ec3d785 DSH |
505 | if (need_rand) |
506 | { | |
f365611c | 507 | app_RAND_load_file(NULL, bio_err, (inrand != NULL)); |
d13e4eb0 DSH |
508 | if (inrand != NULL) |
509 | BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
510 | app_RAND_load_files(inrand)); | |
4ec3d785 | 511 | } |
d13e4eb0 | 512 | |
5a9a4b29 DSH |
513 | ret = 2; |
514 | ||
55311921 | 515 | if (!(operation & SMIME_SIGNERS)) |
4ec3d785 | 516 | flags &= ~PKCS7_DETACHED; |
5a9a4b29 | 517 | |
4ec3d785 DSH |
518 | if (operation & SMIME_OP) |
519 | { | |
4ec3d785 DSH |
520 | if (outformat == FORMAT_ASN1) |
521 | outmode = "wb"; | |
522 | } | |
523 | else | |
524 | { | |
525 | if (flags & PKCS7_BINARY) | |
526 | outmode = "wb"; | |
55311921 DSH |
527 | } |
528 | ||
529 | if (operation & SMIME_IP) | |
530 | { | |
4ec3d785 DSH |
531 | if (informat == FORMAT_ASN1) |
532 | inmode = "rb"; | |
533 | } | |
55311921 DSH |
534 | else |
535 | { | |
536 | if (flags & PKCS7_BINARY) | |
537 | inmode = "rb"; | |
538 | } | |
5a9a4b29 | 539 | |
4ec3d785 DSH |
540 | if (operation == SMIME_ENCRYPT) |
541 | { | |
542 | if (!cipher) | |
543 | { | |
cf1b7d96 | 544 | #ifndef OPENSSL_NO_RC2 |
63da21c0 BM |
545 | cipher = EVP_rc2_40_cbc(); |
546 | #else | |
547 | BIO_printf(bio_err, "No cipher selected\n"); | |
548 | goto end; | |
549 | #endif | |
4ec3d785 | 550 | } |
55f30198 | 551 | encerts = sk_X509_new_null(); |
4ec3d785 DSH |
552 | while (*args) |
553 | { | |
554 | if (!(cert = load_cert(bio_err,*args,FORMAT_PEM, | |
555 | NULL, e, "recipient certificate file"))) | |
556 | { | |
30b4c272 | 557 | #if 0 /* An appropriate message is already printed */ |
657e60fa | 558 | BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args); |
30b4c272 | 559 | #endif |
5a9a4b29 | 560 | goto end; |
4ec3d785 | 561 | } |
55f30198 | 562 | sk_X509_push(encerts, cert); |
5a9a4b29 DSH |
563 | cert = NULL; |
564 | args++; | |
4ec3d785 | 565 | } |
5a9a4b29 | 566 | } |
5a9a4b29 | 567 | |
4ec3d785 DSH |
568 | if (certfile) |
569 | { | |
570 | if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL, | |
571 | e, "certificate file"))) | |
572 | { | |
5a9a4b29 DSH |
573 | ERR_print_errors(bio_err); |
574 | goto end; | |
4ec3d785 | 575 | } |
5a9a4b29 | 576 | } |
5a9a4b29 | 577 | |
4ec3d785 DSH |
578 | if (recipfile && (operation == SMIME_DECRYPT)) |
579 | { | |
580 | if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL, | |
581 | e, "recipient certificate file"))) | |
582 | { | |
5a9a4b29 DSH |
583 | ERR_print_errors(bio_err); |
584 | goto end; | |
4ec3d785 | 585 | } |
5a9a4b29 | 586 | } |
5a9a4b29 | 587 | |
4ec3d785 DSH |
588 | if (operation == SMIME_DECRYPT) |
589 | { | |
590 | if (!keyfile) | |
591 | keyfile = recipfile; | |
592 | } | |
593 | else if (operation == SMIME_SIGN) | |
594 | { | |
595 | if (!keyfile) | |
596 | keyfile = signerfile; | |
597 | } | |
598 | else keyfile = NULL; | |
5a9a4b29 | 599 | |
4ec3d785 DSH |
600 | if (keyfile) |
601 | { | |
da9b9724 | 602 | key = load_key(bio_err, keyfile, keyform, 0, passin, e, |
30b4c272 | 603 | "signing key file"); |
4ec3d785 | 604 | if (!key) |
30b4c272 | 605 | goto end; |
4ec3d785 | 606 | } |
5a9a4b29 | 607 | |
4ec3d785 DSH |
608 | if (infile) |
609 | { | |
610 | if (!(in = BIO_new_file(infile, inmode))) | |
611 | { | |
5a9a4b29 DSH |
612 | BIO_printf (bio_err, |
613 | "Can't open input file %s\n", infile); | |
614 | goto end; | |
4ec3d785 | 615 | } |
5a9a4b29 | 616 | } |
4ec3d785 DSH |
617 | else |
618 | in = BIO_new_fp(stdin, BIO_NOCLOSE); | |
5a9a4b29 | 619 | |
55311921 DSH |
620 | if (operation & SMIME_IP) |
621 | { | |
622 | if (informat == FORMAT_SMIME) | |
623 | p7 = SMIME_read_PKCS7(in, &indata); | |
624 | else if (informat == FORMAT_PEM) | |
625 | p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL); | |
626 | else if (informat == FORMAT_ASN1) | |
627 | p7 = d2i_PKCS7_bio(in, NULL); | |
628 | else | |
629 | { | |
630 | BIO_printf(bio_err, "Bad input format for PKCS#7 file\n"); | |
631 | goto end; | |
632 | } | |
633 | ||
634 | if (!p7) | |
635 | { | |
636 | BIO_printf(bio_err, "Error reading S/MIME message\n"); | |
637 | goto end; | |
638 | } | |
639 | if (contfile) | |
640 | { | |
641 | BIO_free(indata); | |
642 | if (!(indata = BIO_new_file(contfile, "rb"))) | |
643 | { | |
644 | BIO_printf(bio_err, "Can't read content file %s\n", contfile); | |
645 | goto end; | |
646 | } | |
647 | } | |
648 | } | |
649 | ||
4ec3d785 DSH |
650 | if (outfile) |
651 | { | |
652 | if (!(out = BIO_new_file(outfile, outmode))) | |
653 | { | |
5a9a4b29 DSH |
654 | BIO_printf (bio_err, |
655 | "Can't open output file %s\n", outfile); | |
656 | goto end; | |
4ec3d785 | 657 | } |
5a9a4b29 | 658 | } |
4ec3d785 DSH |
659 | else |
660 | { | |
645749ef | 661 | out = BIO_new_fp(stdout, BIO_NOCLOSE); |
bc36ee62 | 662 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
663 | { |
664 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
665 | out = BIO_push(tmpbio, out); | |
666 | } | |
667 | #endif | |
4ec3d785 | 668 | } |
11afb40c | 669 | |
4ec3d785 DSH |
670 | if (operation == SMIME_VERIFY) |
671 | { | |
672 | if (!(store = setup_verify(bio_err, CAfile, CApath))) | |
673 | goto end; | |
5d7c222d DSH |
674 | X509_STORE_set_verify_cb_func(store, smime_cb); |
675 | if (vpm) | |
676 | X509_STORE_set1_param(store, vpm); | |
4ec3d785 | 677 | } |
5a9a4b29 | 678 | |
bdee69f7 | 679 | |
5a9a4b29 | 680 | ret = 3; |
e3775a33 | 681 | |
4ec3d785 | 682 | if (operation == SMIME_ENCRYPT) |
9cfc8a9d DSH |
683 | { |
684 | if (indef) | |
685 | flags |= PKCS7_STREAM; | |
5a9a4b29 | 686 | p7 = PKCS7_encrypt(encerts, in, cipher, flags); |
9cfc8a9d | 687 | } |
55311921 | 688 | else if (operation & SMIME_SIGNERS) |
4ec3d785 | 689 | { |
a6e7fcd1 | 690 | int i; |
62178961 DSH |
691 | /* If detached data content we only enable streaming if |
692 | * S/MIME output format. | |
27068df7 | 693 | */ |
55311921 DSH |
694 | if (operation == SMIME_SIGN) |
695 | { | |
62178961 DSH |
696 | if (flags & PKCS7_DETACHED) |
697 | { | |
698 | if (outformat == FORMAT_SMIME) | |
699 | flags |= PKCS7_STREAM; | |
700 | } | |
701 | else if (indef) | |
55311921 DSH |
702 | flags |= PKCS7_STREAM; |
703 | flags |= PKCS7_PARTIAL; | |
704 | p7 = PKCS7_sign(NULL, NULL, other, in, flags); | |
62178961 DSH |
705 | if (!p7) |
706 | goto end; | |
55311921 DSH |
707 | } |
708 | else | |
709 | flags |= PKCS7_REUSE_DIGEST; | |
5ce278a7 | 710 | for (i = 0; i < sk_STRING_num(sksigners); i++) |
a6e7fcd1 | 711 | { |
5ce278a7 BL |
712 | signerfile = sk_STRING_value(sksigners, i); |
713 | keyfile = sk_STRING_value(skkeys, i); | |
a6e7fcd1 DSH |
714 | signer = load_cert(bio_err, signerfile,FORMAT_PEM, NULL, |
715 | e, "signer certificate"); | |
716 | if (!signer) | |
717 | goto end; | |
718 | key = load_key(bio_err, keyfile, keyform, 0, passin, e, | |
719 | "signing key file"); | |
720 | if (!key) | |
721 | goto end; | |
722 | if (!PKCS7_sign_add_signer(p7, signer, key, | |
55311921 | 723 | sign_md, flags)) |
a6e7fcd1 DSH |
724 | goto end; |
725 | X509_free(signer); | |
726 | signer = NULL; | |
727 | EVP_PKEY_free(key); | |
728 | key = NULL; | |
729 | } | |
55311921 DSH |
730 | /* If not streaming or resigning finalize structure */ |
731 | if ((operation == SMIME_SIGN) && !(flags & PKCS7_STREAM)) | |
4ec3d785 | 732 | { |
a6e7fcd1 DSH |
733 | if (!PKCS7_final(p7, in, flags)) |
734 | goto end; | |
4ec3d785 | 735 | } |
e9a182fa | 736 | } |
e3775a33 | 737 | |
4ec3d785 DSH |
738 | if (!p7) |
739 | { | |
5a9a4b29 DSH |
740 | BIO_printf(bio_err, "Error creating PKCS#7 structure\n"); |
741 | goto end; | |
4ec3d785 | 742 | } |
5a9a4b29 | 743 | |
e3775a33 | 744 | ret = 4; |
4ec3d785 DSH |
745 | if (operation == SMIME_DECRYPT) |
746 | { | |
747 | if (!PKCS7_decrypt(p7, key, recip, out, flags)) | |
748 | { | |
5a9a4b29 | 749 | BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n"); |
e3775a33 | 750 | goto end; |
4ec3d785 | 751 | } |
e3775a33 | 752 | } |
4ec3d785 DSH |
753 | else if (operation == SMIME_VERIFY) |
754 | { | |
55ec5861 | 755 | STACK_OF(X509) *signers; |
4ec3d785 | 756 | if (PKCS7_verify(p7, other, store, indata, out, flags)) |
6d498d47 | 757 | BIO_printf(bio_err, "Verification successful\n"); |
4ec3d785 DSH |
758 | else |
759 | { | |
6d498d47 | 760 | BIO_printf(bio_err, "Verification failure\n"); |
e3775a33 | 761 | goto end; |
4ec3d785 | 762 | } |
c7cb16a8 | 763 | signers = PKCS7_get0_signers(p7, other, flags); |
4ec3d785 DSH |
764 | if (!save_certs(signerfile, signers)) |
765 | { | |
55ec5861 DSH |
766 | BIO_printf(bio_err, "Error writing signers to %s\n", |
767 | signerfile); | |
e3775a33 DSH |
768 | ret = 5; |
769 | goto end; | |
4ec3d785 | 770 | } |
55ec5861 | 771 | sk_X509_free(signers); |
4ec3d785 DSH |
772 | } |
773 | else if (operation == SMIME_PK7OUT) | |
5a9a4b29 | 774 | PEM_write_bio_PKCS7(out, p7); |
4ec3d785 DSH |
775 | else |
776 | { | |
777 | if (to) | |
778 | BIO_printf(out, "To: %s\n", to); | |
779 | if (from) | |
780 | BIO_printf(out, "From: %s\n", from); | |
781 | if (subject) | |
782 | BIO_printf(out, "Subject: %s\n", subject); | |
783 | if (outformat == FORMAT_SMIME) | |
55311921 DSH |
784 | { |
785 | if (operation == SMIME_RESIGN) | |
786 | SMIME_write_PKCS7(out, p7, indata, flags); | |
787 | else | |
788 | SMIME_write_PKCS7(out, p7, in, flags); | |
789 | } | |
4ec3d785 | 790 | else if (outformat == FORMAT_PEM) |
9cfc8a9d | 791 | PEM_write_bio_PKCS7_stream(out, p7, in, flags); |
4ec3d785 | 792 | else if (outformat == FORMAT_ASN1) |
9cfc8a9d | 793 | i2d_PKCS7_bio_stream(out,p7, in, flags); |
4ec3d785 DSH |
794 | else |
795 | { | |
094fe66d DSH |
796 | BIO_printf(bio_err, "Bad output format for PKCS#7 file\n"); |
797 | goto end; | |
4ec3d785 | 798 | } |
094fe66d | 799 | } |
e3775a33 | 800 | ret = 0; |
5a9a4b29 | 801 | end: |
d13e4eb0 DSH |
802 | if (need_rand) |
803 | app_RAND_write_file(NULL, bio_err); | |
4ec3d785 | 804 | if (ret) ERR_print_errors(bio_err); |
5a9a4b29 DSH |
805 | sk_X509_pop_free(encerts, X509_free); |
806 | sk_X509_pop_free(other, X509_free); | |
5d7c222d DSH |
807 | if (vpm) |
808 | X509_VERIFY_PARAM_free(vpm); | |
a6e7fcd1 | 809 | if (sksigners) |
5ce278a7 | 810 | sk_STRING_free(sksigners); |
a6e7fcd1 | 811 | if (skkeys) |
5ce278a7 | 812 | sk_STRING_free(skkeys); |
5a9a4b29 DSH |
813 | X509_STORE_free(store); |
814 | X509_free(cert); | |
815 | X509_free(recip); | |
816 | X509_free(signer); | |
817 | EVP_PKEY_free(key); | |
818 | PKCS7_free(p7); | |
819 | BIO_free(in); | |
820 | BIO_free(indata); | |
645749ef | 821 | BIO_free_all(out); |
4ec3d785 | 822 | if (passin) OPENSSL_free(passin); |
5a9a4b29 DSH |
823 | return (ret); |
824 | } | |
825 | ||
a91451ef | 826 | static int save_certs(char *signerfile, STACK_OF(X509) *signers) |
4ec3d785 | 827 | { |
55ec5861 DSH |
828 | int i; |
829 | BIO *tmp; | |
4ec3d785 DSH |
830 | if (!signerfile) |
831 | return 1; | |
55ec5861 | 832 | tmp = BIO_new_file(signerfile, "w"); |
4ec3d785 | 833 | if (!tmp) return 0; |
55ec5861 DSH |
834 | for(i = 0; i < sk_X509_num(signers); i++) |
835 | PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); | |
836 | BIO_free(tmp); | |
837 | return 1; | |
4ec3d785 | 838 | } |
55ec5861 | 839 | |
5d7c222d | 840 | |
5d7c222d DSH |
841 | /* Minimal callback just to output policy info (if any) */ |
842 | ||
843 | static int smime_cb(int ok, X509_STORE_CTX *ctx) | |
844 | { | |
5d7c222d DSH |
845 | int error; |
846 | ||
847 | error = X509_STORE_CTX_get_error(ctx); | |
848 | ||
849 | if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) | |
850 | && ((error != X509_V_OK) || (ok != 2))) | |
851 | return ok; | |
852 | ||
c431798e | 853 | policies_print(NULL, ctx); |
5d7c222d DSH |
854 | |
855 | return ok; | |
856 | ||
857 | } |