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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 | |
76 | #define SMIME_ENCRYPT (1 | SMIME_OP) | |
77 | #define SMIME_DECRYPT 2 | |
78 | #define SMIME_SIGN (3 | SMIME_OP) | |
79 | #define SMIME_VERIFY 4 | |
80 | #define SMIME_PK7OUT 5 | |
81 | ||
667ac4ec RE |
82 | int MAIN(int, char **); |
83 | ||
5a9a4b29 | 84 | int MAIN(int argc, char **argv) |
4ec3d785 | 85 | { |
5270e702 | 86 | ENGINE *e = NULL; |
5a9a4b29 DSH |
87 | int operation = 0; |
88 | int ret = 0; | |
89 | char **args; | |
7d727231 | 90 | const char *inmode = "r", *outmode = "w"; |
5a9a4b29 DSH |
91 | char *infile = NULL, *outfile = NULL; |
92 | char *signerfile = NULL, *recipfile = NULL; | |
094fe66d | 93 | char *certfile = NULL, *keyfile = NULL, *contfile=NULL; |
13588350 | 94 | const EVP_CIPHER *cipher = NULL; |
5a9a4b29 DSH |
95 | PKCS7 *p7 = NULL; |
96 | X509_STORE *store = NULL; | |
97 | X509 *cert = NULL, *recip = NULL, *signer = NULL; | |
98 | EVP_PKEY *key = NULL; | |
99 | STACK_OF(X509) *encerts = NULL, *other = NULL; | |
100 | BIO *in = NULL, *out = NULL, *indata = NULL; | |
101 | int badarg = 0; | |
5d7c222d | 102 | int flags = PKCS7_DETACHED; |
5a9a4b29 | 103 | char *to = NULL, *from = NULL, *subject = NULL; |
a3fe382e DSH |
104 | char *CAfile = NULL, *CApath = NULL; |
105 | char *passargin = NULL, *passin = NULL; | |
f365611c | 106 | char *inrand = NULL; |
d13e4eb0 | 107 | int need_rand = 0; |
094fe66d | 108 | int informat = FORMAT_SMIME, outformat = FORMAT_SMIME; |
95874603 | 109 | int keyform = FORMAT_PEM; |
0b13e9f0 | 110 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 111 | char *engine=NULL; |
0b13e9f0 | 112 | #endif |
5a9a4b29 | 113 | |
5d7c222d DSH |
114 | X509_VERIFY_PARAM *vpm = NULL; |
115 | ||
5270e702 | 116 | args = argv + 1; |
5a9a4b29 DSH |
117 | ret = 1; |
118 | ||
253ef218 DSH |
119 | apps_startup(); |
120 | ||
121 | if (bio_err == NULL) | |
4ec3d785 | 122 | { |
253ef218 DSH |
123 | if ((bio_err = BIO_new(BIO_s_file())) != NULL) |
124 | BIO_set_fp(bio_err, stderr, BIO_NOCLOSE|BIO_FP_TEXT); | |
4ec3d785 | 125 | } |
253ef218 | 126 | |
3647bee2 DSH |
127 | if (!load_config(bio_err, NULL)) |
128 | goto end; | |
129 | ||
4ec3d785 DSH |
130 | while (!badarg && *args && *args[0] == '-') |
131 | { | |
132 | if (!strcmp (*args, "-encrypt")) | |
133 | operation = SMIME_ENCRYPT; | |
134 | else if (!strcmp (*args, "-decrypt")) | |
135 | operation = SMIME_DECRYPT; | |
136 | else if (!strcmp (*args, "-sign")) | |
137 | operation = SMIME_SIGN; | |
138 | else if (!strcmp (*args, "-verify")) | |
139 | operation = SMIME_VERIFY; | |
140 | else if (!strcmp (*args, "-pk7out")) | |
141 | operation = SMIME_PK7OUT; | |
cf1b7d96 | 142 | #ifndef OPENSSL_NO_DES |
5a9a4b29 DSH |
143 | else if (!strcmp (*args, "-des3")) |
144 | cipher = EVP_des_ede3_cbc(); | |
145 | else if (!strcmp (*args, "-des")) | |
146 | cipher = EVP_des_cbc(); | |
63da21c0 | 147 | #endif |
cf1b7d96 | 148 | #ifndef OPENSSL_NO_RC2 |
5a9a4b29 DSH |
149 | else if (!strcmp (*args, "-rc2-40")) |
150 | cipher = EVP_rc2_40_cbc(); | |
151 | else if (!strcmp (*args, "-rc2-128")) | |
152 | cipher = EVP_rc2_cbc(); | |
153 | else if (!strcmp (*args, "-rc2-64")) | |
154 | cipher = EVP_rc2_64_cbc(); | |
b3dfaaa1 RL |
155 | #endif |
156 | #ifndef OPENSSL_NO_AES | |
31188ee1 | 157 | else if (!strcmp(*args,"-aes128")) |
b3dfaaa1 | 158 | cipher = EVP_aes_128_cbc(); |
31188ee1 | 159 | else if (!strcmp(*args,"-aes192")) |
b3dfaaa1 | 160 | cipher = EVP_aes_192_cbc(); |
31188ee1 | 161 | else if (!strcmp(*args,"-aes256")) |
b3dfaaa1 | 162 | cipher = EVP_aes_256_cbc(); |
63da21c0 | 163 | #endif |
5a9a4b29 DSH |
164 | else if (!strcmp (*args, "-text")) |
165 | flags |= PKCS7_TEXT; | |
166 | else if (!strcmp (*args, "-nointern")) | |
167 | flags |= PKCS7_NOINTERN; | |
168 | else if (!strcmp (*args, "-noverify")) | |
169 | flags |= PKCS7_NOVERIFY; | |
170 | else if (!strcmp (*args, "-nochain")) | |
171 | flags |= PKCS7_NOCHAIN; | |
172 | else if (!strcmp (*args, "-nocerts")) | |
173 | flags |= PKCS7_NOCERTS; | |
174 | else if (!strcmp (*args, "-noattr")) | |
175 | flags |= PKCS7_NOATTR; | |
176 | else if (!strcmp (*args, "-nodetach")) | |
177 | flags &= ~PKCS7_DETACHED; | |
34216c04 DSH |
178 | else if (!strcmp (*args, "-nosmimecap")) |
179 | flags |= PKCS7_NOSMIMECAP; | |
5a9a4b29 DSH |
180 | else if (!strcmp (*args, "-binary")) |
181 | flags |= PKCS7_BINARY; | |
e3775a33 DSH |
182 | else if (!strcmp (*args, "-nosigs")) |
183 | flags |= PKCS7_NOSIGS; | |
beab098d DSH |
184 | else if (!strcmp (*args, "-nooldmime")) |
185 | flags |= PKCS7_NOOLDMIMETYPE; | |
186 | else if (!strcmp (*args, "-crlfeol")) | |
187 | flags |= PKCS7_CRLFEOL; | |
4ec3d785 DSH |
188 | else if (!strcmp(*args,"-rand")) |
189 | { | |
76cf3fcb DSH |
190 | if (!args[1]) |
191 | goto argerr; | |
192 | args++; | |
193 | inrand = *args; | |
d13e4eb0 | 194 | need_rand = 1; |
4ec3d785 | 195 | } |
0b13e9f0 | 196 | #ifndef OPENSSL_NO_ENGINE |
4ec3d785 DSH |
197 | else if (!strcmp(*args,"-engine")) |
198 | { | |
76cf3fcb DSH |
199 | if (!args[1]) |
200 | goto argerr; | |
201 | engine = *++args; | |
4ec3d785 | 202 | } |
0b13e9f0 | 203 | #endif |
4ec3d785 DSH |
204 | else if (!strcmp(*args,"-passin")) |
205 | { | |
76cf3fcb DSH |
206 | if (!args[1]) |
207 | goto argerr; | |
208 | passargin = *++args; | |
4ec3d785 DSH |
209 | } |
210 | else if (!strcmp (*args, "-to")) | |
211 | { | |
76cf3fcb DSH |
212 | if (!args[1]) |
213 | goto argerr; | |
214 | to = *++args; | |
4ec3d785 DSH |
215 | } |
216 | else if (!strcmp (*args, "-from")) | |
217 | { | |
76cf3fcb DSH |
218 | if (!args[1]) |
219 | goto argerr; | |
220 | from = *++args; | |
4ec3d785 DSH |
221 | } |
222 | else if (!strcmp (*args, "-subject")) | |
223 | { | |
76cf3fcb DSH |
224 | if (!args[1]) |
225 | goto argerr; | |
226 | subject = *++args; | |
4ec3d785 DSH |
227 | } |
228 | else if (!strcmp (*args, "-signer")) | |
229 | { | |
76cf3fcb DSH |
230 | if (!args[1]) |
231 | goto argerr; | |
232 | signerfile = *++args; | |
4ec3d785 DSH |
233 | } |
234 | else if (!strcmp (*args, "-recip")) | |
235 | { | |
76cf3fcb DSH |
236 | if (!args[1]) |
237 | goto argerr; | |
238 | recipfile = *++args; | |
4ec3d785 DSH |
239 | } |
240 | else if (!strcmp (*args, "-inkey")) | |
241 | { | |
76cf3fcb DSH |
242 | if (!args[1]) |
243 | goto argerr; | |
244 | keyfile = *++args; | |
245 | } | |
4ec3d785 DSH |
246 | else if (!strcmp (*args, "-keyform")) |
247 | { | |
76cf3fcb DSH |
248 | if (!args[1]) |
249 | goto argerr; | |
250 | keyform = str2fmt(*++args); | |
4ec3d785 DSH |
251 | } |
252 | else if (!strcmp (*args, "-certfile")) | |
253 | { | |
76cf3fcb DSH |
254 | if (!args[1]) |
255 | goto argerr; | |
256 | certfile = *++args; | |
4ec3d785 DSH |
257 | } |
258 | else if (!strcmp (*args, "-CAfile")) | |
259 | { | |
76cf3fcb DSH |
260 | if (!args[1]) |
261 | goto argerr; | |
262 | CAfile = *++args; | |
4ec3d785 DSH |
263 | } |
264 | else if (!strcmp (*args, "-CApath")) | |
265 | { | |
76cf3fcb DSH |
266 | if (!args[1]) |
267 | goto argerr; | |
268 | CApath = *++args; | |
4ec3d785 DSH |
269 | } |
270 | else if (!strcmp (*args, "-in")) | |
271 | { | |
76cf3fcb DSH |
272 | if (!args[1]) |
273 | goto argerr; | |
274 | infile = *++args; | |
4ec3d785 DSH |
275 | } |
276 | else if (!strcmp (*args, "-inform")) | |
277 | { | |
76cf3fcb DSH |
278 | if (!args[1]) |
279 | goto argerr; | |
280 | informat = str2fmt(*++args); | |
4ec3d785 DSH |
281 | } |
282 | else if (!strcmp (*args, "-outform")) | |
283 | { | |
76cf3fcb DSH |
284 | if (!args[1]) |
285 | goto argerr; | |
286 | outformat = str2fmt(*++args); | |
4ec3d785 DSH |
287 | } |
288 | else if (!strcmp (*args, "-out")) | |
289 | { | |
76cf3fcb DSH |
290 | if (!args[1]) |
291 | goto argerr; | |
292 | outfile = *++args; | |
4ec3d785 DSH |
293 | } |
294 | else if (!strcmp (*args, "-content")) | |
295 | { | |
76cf3fcb DSH |
296 | if (!args[1]) |
297 | goto argerr; | |
298 | contfile = *++args; | |
4ec3d785 | 299 | } |
c431798e | 300 | else if (args_verify(&args, NULL, &badarg, bio_err, &vpm)) |
5d7c222d DSH |
301 | continue; |
302 | else | |
303 | badarg = 1; | |
5a9a4b29 | 304 | args++; |
4ec3d785 | 305 | } |
5a9a4b29 | 306 | |
5d7c222d | 307 | |
4ec3d785 DSH |
308 | if (operation == SMIME_SIGN) |
309 | { | |
310 | if (!signerfile) | |
311 | { | |
5a9a4b29 DSH |
312 | BIO_printf(bio_err, "No signer certificate specified\n"); |
313 | badarg = 1; | |
4ec3d785 | 314 | } |
d13e4eb0 | 315 | need_rand = 1; |
4ec3d785 DSH |
316 | } |
317 | else if (operation == SMIME_DECRYPT) | |
318 | { | |
8f2e4fdf | 319 | if (!recipfile && !keyfile) |
4ec3d785 | 320 | { |
8f2e4fdf | 321 | BIO_printf(bio_err, "No recipient certificate or key specified\n"); |
5a9a4b29 | 322 | badarg = 1; |
4ec3d785 | 323 | } |
5a9a4b29 | 324 | } |
4ec3d785 DSH |
325 | else if (operation == SMIME_ENCRYPT) |
326 | { | |
327 | if (!*args) | |
328 | { | |
5a9a4b29 DSH |
329 | BIO_printf(bio_err, "No recipient(s) certificate(s) specified\n"); |
330 | badarg = 1; | |
4ec3d785 | 331 | } |
d13e4eb0 | 332 | need_rand = 1; |
4ec3d785 DSH |
333 | } |
334 | else if (!operation) | |
335 | badarg = 1; | |
5a9a4b29 | 336 | |
4ec3d785 DSH |
337 | if (badarg) |
338 | { | |
76cf3fcb | 339 | argerr: |
5a9a4b29 DSH |
340 | BIO_printf (bio_err, "Usage smime [options] cert.pem ...\n"); |
341 | BIO_printf (bio_err, "where options are\n"); | |
342 | BIO_printf (bio_err, "-encrypt encrypt message\n"); | |
343 | BIO_printf (bio_err, "-decrypt decrypt encrypted message\n"); | |
344 | BIO_printf (bio_err, "-sign sign message\n"); | |
345 | BIO_printf (bio_err, "-verify verify signed message\n"); | |
346 | BIO_printf (bio_err, "-pk7out output PKCS#7 structure\n"); | |
cf1b7d96 | 347 | #ifndef OPENSSL_NO_DES |
5a9a4b29 | 348 | BIO_printf (bio_err, "-des3 encrypt with triple DES\n"); |
63da21c0 BM |
349 | BIO_printf (bio_err, "-des encrypt with DES\n"); |
350 | #endif | |
cf1b7d96 | 351 | #ifndef OPENSSL_NO_RC2 |
63da21c0 | 352 | BIO_printf (bio_err, "-rc2-40 encrypt with RC2-40 (default)\n"); |
5a9a4b29 DSH |
353 | BIO_printf (bio_err, "-rc2-64 encrypt with RC2-64\n"); |
354 | BIO_printf (bio_err, "-rc2-128 encrypt with RC2-128\n"); | |
b3dfaaa1 RL |
355 | #endif |
356 | #ifndef OPENSSL_NO_AES | |
357 | BIO_printf (bio_err, "-aes128, -aes192, -aes256\n"); | |
358 | BIO_printf (bio_err, " encrypt PEM output with cbc aes\n"); | |
63da21c0 | 359 | #endif |
e3775a33 DSH |
360 | BIO_printf (bio_err, "-nointern don't search certificates in message for signer\n"); |
361 | BIO_printf (bio_err, "-nosigs don't verify message signature\n"); | |
362 | BIO_printf (bio_err, "-noverify don't verify signers certificate\n"); | |
363 | BIO_printf (bio_err, "-nocerts don't include signers certificate when signing\n"); | |
364 | BIO_printf (bio_err, "-nodetach use opaque signing\n"); | |
365 | BIO_printf (bio_err, "-noattr don't include any signed attributes\n"); | |
366 | BIO_printf (bio_err, "-binary don't translate message to text\n"); | |
5a9a4b29 DSH |
367 | BIO_printf (bio_err, "-certfile file other certificates file\n"); |
368 | BIO_printf (bio_err, "-signer file signer certificate file\n"); | |
2c736d07 | 369 | BIO_printf (bio_err, "-recip file recipient certificate file for decryption\n"); |
5a9a4b29 | 370 | BIO_printf (bio_err, "-in file input file\n"); |
fd13f0ee | 371 | BIO_printf (bio_err, "-inform arg input format SMIME (default), PEM or DER\n"); |
5a9a4b29 | 372 | BIO_printf (bio_err, "-inkey file input private key (if not signer or recipient)\n"); |
95874603 | 373 | BIO_printf (bio_err, "-keyform arg input private key format (PEM or ENGINE)\n"); |
5a9a4b29 | 374 | BIO_printf (bio_err, "-out file output file\n"); |
fd13f0ee DSH |
375 | BIO_printf (bio_err, "-outform arg output format SMIME (default), PEM or DER\n"); |
376 | BIO_printf (bio_err, "-content file supply or override content for detached signature\n"); | |
5a9a4b29 DSH |
377 | BIO_printf (bio_err, "-to addr to address\n"); |
378 | BIO_printf (bio_err, "-from ad from address\n"); | |
379 | BIO_printf (bio_err, "-subject s subject\n"); | |
380 | BIO_printf (bio_err, "-text include or delete text MIME headers\n"); | |
e3775a33 DSH |
381 | BIO_printf (bio_err, "-CApath dir trusted certificates directory\n"); |
382 | BIO_printf (bio_err, "-CAfile file trusted certificates file\n"); | |
bdee69f7 DSH |
383 | BIO_printf (bio_err, "-crl_check check revocation status of signer's certificate using CRLs\n"); |
384 | BIO_printf (bio_err, "-crl_check_all check revocation status of signer's certificate chain using CRLs\n"); | |
0b13e9f0 | 385 | #ifndef OPENSSL_NO_ENGINE |
5270e702 | 386 | BIO_printf (bio_err, "-engine e use engine e, possibly a hardware device.\n"); |
0b13e9f0 | 387 | #endif |
93f11700 | 388 | BIO_printf (bio_err, "-passin arg input file pass phrase source\n"); |
afbd0746 | 389 | BIO_printf(bio_err, "-rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); |
d13e4eb0 DSH |
390 | BIO_printf(bio_err, " load the file (or the files in the directory) into\n"); |
391 | BIO_printf(bio_err, " the random number generator\n"); | |
2c736d07 | 392 | BIO_printf (bio_err, "cert.pem recipient certificate(s) for encryption\n"); |
5a9a4b29 | 393 | goto end; |
4ec3d785 | 394 | } |
5a9a4b29 | 395 | |
0b13e9f0 | 396 | #ifndef OPENSSL_NO_ENGINE |
531d630b | 397 | e = setup_engine(bio_err, engine, 0); |
0b13e9f0 | 398 | #endif |
5270e702 | 399 | |
4ec3d785 DSH |
400 | if (!app_passwd(bio_err, passargin, NULL, &passin, NULL)) |
401 | { | |
a3fe382e DSH |
402 | BIO_printf(bio_err, "Error getting password\n"); |
403 | goto end; | |
4ec3d785 | 404 | } |
a3fe382e | 405 | |
4ec3d785 DSH |
406 | if (need_rand) |
407 | { | |
f365611c | 408 | app_RAND_load_file(NULL, bio_err, (inrand != NULL)); |
d13e4eb0 DSH |
409 | if (inrand != NULL) |
410 | BIO_printf(bio_err,"%ld semi-random bytes loaded\n", | |
411 | app_RAND_load_files(inrand)); | |
4ec3d785 | 412 | } |
d13e4eb0 | 413 | |
5a9a4b29 DSH |
414 | ret = 2; |
415 | ||
4ec3d785 DSH |
416 | if (operation != SMIME_SIGN) |
417 | flags &= ~PKCS7_DETACHED; | |
5a9a4b29 | 418 | |
4ec3d785 DSH |
419 | if (operation & SMIME_OP) |
420 | { | |
421 | if (flags & PKCS7_BINARY) | |
422 | inmode = "rb"; | |
423 | if (outformat == FORMAT_ASN1) | |
424 | outmode = "wb"; | |
425 | } | |
426 | else | |
427 | { | |
428 | if (flags & PKCS7_BINARY) | |
429 | outmode = "wb"; | |
430 | if (informat == FORMAT_ASN1) | |
431 | inmode = "rb"; | |
432 | } | |
5a9a4b29 | 433 | |
4ec3d785 DSH |
434 | if (operation == SMIME_ENCRYPT) |
435 | { | |
436 | if (!cipher) | |
437 | { | |
cf1b7d96 | 438 | #ifndef OPENSSL_NO_RC2 |
63da21c0 BM |
439 | cipher = EVP_rc2_40_cbc(); |
440 | #else | |
441 | BIO_printf(bio_err, "No cipher selected\n"); | |
442 | goto end; | |
443 | #endif | |
4ec3d785 | 444 | } |
55f30198 | 445 | encerts = sk_X509_new_null(); |
4ec3d785 DSH |
446 | while (*args) |
447 | { | |
448 | if (!(cert = load_cert(bio_err,*args,FORMAT_PEM, | |
449 | NULL, e, "recipient certificate file"))) | |
450 | { | |
30b4c272 | 451 | #if 0 /* An appropriate message is already printed */ |
657e60fa | 452 | BIO_printf(bio_err, "Can't read recipient certificate file %s\n", *args); |
30b4c272 | 453 | #endif |
5a9a4b29 | 454 | goto end; |
4ec3d785 | 455 | } |
55f30198 | 456 | sk_X509_push(encerts, cert); |
5a9a4b29 DSH |
457 | cert = NULL; |
458 | args++; | |
4ec3d785 | 459 | } |
5a9a4b29 | 460 | } |
5a9a4b29 | 461 | |
4ec3d785 DSH |
462 | if (signerfile && (operation == SMIME_SIGN)) |
463 | { | |
464 | if (!(signer = load_cert(bio_err,signerfile,FORMAT_PEM, NULL, | |
465 | e, "signer certificate"))) | |
466 | { | |
30b4c272 | 467 | #if 0 /* An appropri message has already been printed */ |
5a9a4b29 | 468 | BIO_printf(bio_err, "Can't read signer certificate file %s\n", signerfile); |
30b4c272 | 469 | #endif |
5a9a4b29 | 470 | goto end; |
4ec3d785 | 471 | } |
5a9a4b29 | 472 | } |
5a9a4b29 | 473 | |
4ec3d785 DSH |
474 | if (certfile) |
475 | { | |
476 | if (!(other = load_certs(bio_err,certfile,FORMAT_PEM, NULL, | |
477 | e, "certificate file"))) | |
478 | { | |
30b4c272 | 479 | #if 0 /* An appropriate message has already been printed */ |
5a9a4b29 | 480 | BIO_printf(bio_err, "Can't read certificate file %s\n", certfile); |
30b4c272 | 481 | #endif |
5a9a4b29 DSH |
482 | ERR_print_errors(bio_err); |
483 | goto end; | |
4ec3d785 | 484 | } |
5a9a4b29 | 485 | } |
5a9a4b29 | 486 | |
4ec3d785 DSH |
487 | if (recipfile && (operation == SMIME_DECRYPT)) |
488 | { | |
489 | if (!(recip = load_cert(bio_err,recipfile,FORMAT_PEM,NULL, | |
490 | e, "recipient certificate file"))) | |
491 | { | |
30b4c272 | 492 | #if 0 /* An appropriate message has alrady been printed */ |
5a9a4b29 | 493 | BIO_printf(bio_err, "Can't read recipient certificate file %s\n", recipfile); |
30b4c272 | 494 | #endif |
5a9a4b29 DSH |
495 | ERR_print_errors(bio_err); |
496 | goto end; | |
4ec3d785 | 497 | } |
5a9a4b29 | 498 | } |
5a9a4b29 | 499 | |
4ec3d785 DSH |
500 | if (operation == SMIME_DECRYPT) |
501 | { | |
502 | if (!keyfile) | |
503 | keyfile = recipfile; | |
504 | } | |
505 | else if (operation == SMIME_SIGN) | |
506 | { | |
507 | if (!keyfile) | |
508 | keyfile = signerfile; | |
509 | } | |
510 | else keyfile = NULL; | |
5a9a4b29 | 511 | |
4ec3d785 DSH |
512 | if (keyfile) |
513 | { | |
da9b9724 | 514 | key = load_key(bio_err, keyfile, keyform, 0, passin, e, |
30b4c272 | 515 | "signing key file"); |
4ec3d785 | 516 | if (!key) |
30b4c272 | 517 | goto end; |
4ec3d785 | 518 | } |
5a9a4b29 | 519 | |
4ec3d785 DSH |
520 | if (infile) |
521 | { | |
522 | if (!(in = BIO_new_file(infile, inmode))) | |
523 | { | |
5a9a4b29 DSH |
524 | BIO_printf (bio_err, |
525 | "Can't open input file %s\n", infile); | |
526 | goto end; | |
4ec3d785 | 527 | } |
5a9a4b29 | 528 | } |
4ec3d785 DSH |
529 | else |
530 | in = BIO_new_fp(stdin, BIO_NOCLOSE); | |
5a9a4b29 | 531 | |
4ec3d785 DSH |
532 | if (outfile) |
533 | { | |
534 | if (!(out = BIO_new_file(outfile, outmode))) | |
535 | { | |
5a9a4b29 DSH |
536 | BIO_printf (bio_err, |
537 | "Can't open output file %s\n", outfile); | |
538 | goto end; | |
4ec3d785 | 539 | } |
5a9a4b29 | 540 | } |
4ec3d785 DSH |
541 | else |
542 | { | |
645749ef | 543 | out = BIO_new_fp(stdout, BIO_NOCLOSE); |
bc36ee62 | 544 | #ifdef OPENSSL_SYS_VMS |
645749ef RL |
545 | { |
546 | BIO *tmpbio = BIO_new(BIO_f_linebuffer()); | |
547 | out = BIO_push(tmpbio, out); | |
548 | } | |
549 | #endif | |
4ec3d785 | 550 | } |
11afb40c | 551 | |
4ec3d785 DSH |
552 | if (operation == SMIME_VERIFY) |
553 | { | |
554 | if (!(store = setup_verify(bio_err, CAfile, CApath))) | |
555 | goto end; | |
5d7c222d DSH |
556 | X509_STORE_set_verify_cb_func(store, smime_cb); |
557 | if (vpm) | |
558 | X509_STORE_set1_param(store, vpm); | |
4ec3d785 | 559 | } |
5a9a4b29 | 560 | |
bdee69f7 | 561 | |
5a9a4b29 | 562 | ret = 3; |
e3775a33 | 563 | |
4ec3d785 | 564 | if (operation == SMIME_ENCRYPT) |
5a9a4b29 | 565 | p7 = PKCS7_encrypt(encerts, in, cipher, flags); |
4ec3d785 DSH |
566 | else if (operation == SMIME_SIGN) |
567 | { | |
27068df7 DSH |
568 | /* If detached data and SMIME output enable partial |
569 | * signing. | |
570 | */ | |
571 | if ((flags & PKCS7_DETACHED) && (outformat == FORMAT_SMIME)) | |
e9ec6396 | 572 | flags |= PKCS7_STREAM; |
5a9a4b29 | 573 | p7 = PKCS7_sign(signer, key, other, in, flags); |
27068df7 | 574 | /* Don't need to rewind for partial signing */ |
4ec3d785 DSH |
575 | if (!(flags & PKCS7_STREAM) && (BIO_reset(in) != 0)) |
576 | { | |
577 | BIO_printf(bio_err, "Can't rewind input file\n"); | |
578 | goto end; | |
579 | } | |
e9a182fa | 580 | } |
4ec3d785 DSH |
581 | else |
582 | { | |
583 | if (informat == FORMAT_SMIME) | |
094fe66d | 584 | p7 = SMIME_read_PKCS7(in, &indata); |
4ec3d785 | 585 | else if (informat == FORMAT_PEM) |
094fe66d | 586 | p7 = PEM_read_bio_PKCS7(in, NULL, NULL, NULL); |
4ec3d785 | 587 | else if (informat == FORMAT_ASN1) |
094fe66d | 588 | p7 = d2i_PKCS7_bio(in, NULL); |
4ec3d785 DSH |
589 | else |
590 | { | |
094fe66d DSH |
591 | BIO_printf(bio_err, "Bad input format for PKCS#7 file\n"); |
592 | goto end; | |
4ec3d785 | 593 | } |
094fe66d | 594 | |
4ec3d785 DSH |
595 | if (!p7) |
596 | { | |
5a9a4b29 | 597 | BIO_printf(bio_err, "Error reading S/MIME message\n"); |
5a9a4b29 | 598 | goto end; |
4ec3d785 DSH |
599 | } |
600 | if (contfile) | |
601 | { | |
094fe66d | 602 | BIO_free(indata); |
4ec3d785 DSH |
603 | if (!(indata = BIO_new_file(contfile, "rb"))) |
604 | { | |
094fe66d DSH |
605 | BIO_printf(bio_err, "Can't read content file %s\n", contfile); |
606 | goto end; | |
4ec3d785 | 607 | } |
094fe66d DSH |
608 | } |
609 | } | |
e3775a33 | 610 | |
4ec3d785 DSH |
611 | if (!p7) |
612 | { | |
5a9a4b29 DSH |
613 | BIO_printf(bio_err, "Error creating PKCS#7 structure\n"); |
614 | goto end; | |
4ec3d785 | 615 | } |
5a9a4b29 | 616 | |
e3775a33 | 617 | ret = 4; |
4ec3d785 DSH |
618 | if (operation == SMIME_DECRYPT) |
619 | { | |
620 | if (!PKCS7_decrypt(p7, key, recip, out, flags)) | |
621 | { | |
5a9a4b29 | 622 | BIO_printf(bio_err, "Error decrypting PKCS#7 structure\n"); |
e3775a33 | 623 | goto end; |
4ec3d785 | 624 | } |
e3775a33 | 625 | } |
4ec3d785 DSH |
626 | else if (operation == SMIME_VERIFY) |
627 | { | |
55ec5861 | 628 | STACK_OF(X509) *signers; |
4ec3d785 | 629 | if (PKCS7_verify(p7, other, store, indata, out, flags)) |
6d498d47 | 630 | BIO_printf(bio_err, "Verification successful\n"); |
4ec3d785 DSH |
631 | else |
632 | { | |
6d498d47 | 633 | BIO_printf(bio_err, "Verification failure\n"); |
e3775a33 | 634 | goto end; |
4ec3d785 | 635 | } |
c7cb16a8 | 636 | signers = PKCS7_get0_signers(p7, other, flags); |
4ec3d785 DSH |
637 | if (!save_certs(signerfile, signers)) |
638 | { | |
55ec5861 DSH |
639 | BIO_printf(bio_err, "Error writing signers to %s\n", |
640 | signerfile); | |
e3775a33 DSH |
641 | ret = 5; |
642 | goto end; | |
4ec3d785 | 643 | } |
55ec5861 | 644 | sk_X509_free(signers); |
4ec3d785 DSH |
645 | } |
646 | else if (operation == SMIME_PK7OUT) | |
5a9a4b29 | 647 | PEM_write_bio_PKCS7(out, p7); |
4ec3d785 DSH |
648 | else |
649 | { | |
650 | if (to) | |
651 | BIO_printf(out, "To: %s\n", to); | |
652 | if (from) | |
653 | BIO_printf(out, "From: %s\n", from); | |
654 | if (subject) | |
655 | BIO_printf(out, "Subject: %s\n", subject); | |
656 | if (outformat == FORMAT_SMIME) | |
094fe66d | 657 | SMIME_write_PKCS7(out, p7, in, flags); |
4ec3d785 | 658 | else if (outformat == FORMAT_PEM) |
094fe66d | 659 | PEM_write_bio_PKCS7(out,p7); |
4ec3d785 | 660 | else if (outformat == FORMAT_ASN1) |
094fe66d | 661 | i2d_PKCS7_bio(out,p7); |
4ec3d785 DSH |
662 | else |
663 | { | |
094fe66d DSH |
664 | BIO_printf(bio_err, "Bad output format for PKCS#7 file\n"); |
665 | goto end; | |
4ec3d785 | 666 | } |
094fe66d | 667 | } |
e3775a33 | 668 | ret = 0; |
5a9a4b29 | 669 | end: |
d13e4eb0 DSH |
670 | if (need_rand) |
671 | app_RAND_write_file(NULL, bio_err); | |
4ec3d785 | 672 | if (ret) ERR_print_errors(bio_err); |
5a9a4b29 DSH |
673 | sk_X509_pop_free(encerts, X509_free); |
674 | sk_X509_pop_free(other, X509_free); | |
5d7c222d DSH |
675 | if (vpm) |
676 | X509_VERIFY_PARAM_free(vpm); | |
5a9a4b29 DSH |
677 | X509_STORE_free(store); |
678 | X509_free(cert); | |
679 | X509_free(recip); | |
680 | X509_free(signer); | |
681 | EVP_PKEY_free(key); | |
682 | PKCS7_free(p7); | |
683 | BIO_free(in); | |
684 | BIO_free(indata); | |
645749ef | 685 | BIO_free_all(out); |
4ec3d785 | 686 | if (passin) OPENSSL_free(passin); |
5a9a4b29 DSH |
687 | return (ret); |
688 | } | |
689 | ||
a91451ef | 690 | static int save_certs(char *signerfile, STACK_OF(X509) *signers) |
4ec3d785 | 691 | { |
55ec5861 DSH |
692 | int i; |
693 | BIO *tmp; | |
4ec3d785 DSH |
694 | if (!signerfile) |
695 | return 1; | |
55ec5861 | 696 | tmp = BIO_new_file(signerfile, "w"); |
4ec3d785 | 697 | if (!tmp) return 0; |
55ec5861 DSH |
698 | for(i = 0; i < sk_X509_num(signers); i++) |
699 | PEM_write_bio_X509(tmp, sk_X509_value(signers, i)); | |
700 | BIO_free(tmp); | |
701 | return 1; | |
4ec3d785 | 702 | } |
55ec5861 | 703 | |
5d7c222d | 704 | |
5d7c222d DSH |
705 | /* Minimal callback just to output policy info (if any) */ |
706 | ||
707 | static int smime_cb(int ok, X509_STORE_CTX *ctx) | |
708 | { | |
5d7c222d DSH |
709 | int error; |
710 | ||
711 | error = X509_STORE_CTX_get_error(ctx); | |
712 | ||
713 | if ((error != X509_V_ERR_NO_EXPLICIT_POLICY) | |
714 | && ((error != X509_V_OK) || (ok != 2))) | |
715 | return ok; | |
716 | ||
c431798e | 717 | policies_print(NULL, ctx); |
5d7c222d DSH |
718 | |
719 | return ok; | |
720 | ||
721 | } |