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Commit | Line | Data |
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846e33c7 | 1 | /* |
33388b44 | 2 | * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved. |
d02b48c6 | 3 | * |
dffa7520 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
d02b48c6 RE |
8 | */ |
9 | ||
10 | #include <stdio.h> | |
11 | #include <string.h> | |
12 | #include <stdlib.h> | |
13 | #include "apps.h" | |
dab2cd68 | 14 | #include "progs.h" |
ec577822 BM |
15 | #include <openssl/bio.h> |
16 | #include <openssl/err.h> | |
17 | #include <openssl/evp.h> | |
18 | #include <openssl/objects.h> | |
19 | #include <openssl/x509.h> | |
20 | #include <openssl/pem.h> | |
52cfa397 | 21 | #include <openssl/hmac.h> |
f62d67b6 | 22 | #include <ctype.h> |
d02b48c6 RE |
23 | |
24 | #undef BUFSIZE | |
0f113f3e | 25 | #define BUFSIZE 1024*8 |
d02b48c6 | 26 | |
d15711ef | 27 | int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
0f113f3e MC |
28 | EVP_PKEY *key, unsigned char *sigin, int siglen, |
29 | const char *sig_name, const char *md_name, | |
a773b52a | 30 | const char *file); |
f62d67b6 | 31 | static void show_digests(const OBJ_NAME *name, void *bio_); |
32 | ||
33 | struct doall_dgst_digests { | |
34 | BIO *bio; | |
35 | int n; | |
36 | }; | |
667ac4ec | 37 | |
7e1b7485 | 38 | typedef enum OPTION_choice { |
f62d67b6 | 39 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, OPT_LIST, |
3ee1eac2 | 40 | OPT_C, OPT_R, OPT_OUT, OPT_SIGN, OPT_PASSIN, OPT_VERIFY, |
7e1b7485 RS |
41 | OPT_PRVERIFY, OPT_SIGNATURE, OPT_KEYFORM, OPT_ENGINE, OPT_ENGINE_IMPL, |
42 | OPT_HEX, OPT_BINARY, OPT_DEBUG, OPT_FIPS_FINGERPRINT, | |
700b4a4a | 43 | OPT_HMAC, OPT_MAC, OPT_SIGOPT, OPT_MACOPT, |
3ee1eac2 | 44 | OPT_DIGEST, |
6bd4e3f2 | 45 | OPT_R_ENUM, OPT_PROV_ENUM |
7e1b7485 RS |
46 | } OPTION_CHOICE; |
47 | ||
44c83ebd | 48 | const OPTIONS dgst_options[] = { |
7e1b7485 | 49 | {OPT_HELP_STR, 1, '-', "Usage: %s [options] [file...]\n"}, |
92de469f | 50 | |
5388f986 | 51 | OPT_SECTION("General"), |
7e1b7485 | 52 | {"help", OPT_HELP, '-', "Display this summary"}, |
f62d67b6 | 53 | {"list", OPT_LIST, '-', "List digests"}, |
5388f986 RS |
54 | #ifndef OPENSSL_NO_ENGINE |
55 | {"engine", OPT_ENGINE, 's', "Use engine e, possibly a hardware device"}, | |
56 | {"engine_impl", OPT_ENGINE_IMPL, '-', | |
57 | "Also use engine given by -engine for digest operations"}, | |
58 | #endif | |
59 | {"passin", OPT_PASSIN, 's', "Input file pass phrase source"}, | |
60 | ||
61 | OPT_SECTION("Output"), | |
7e1b7485 RS |
62 | {"c", OPT_C, '-', "Print the digest with separating colons"}, |
63 | {"r", OPT_R, '-', "Print the digest in coreutils format"}, | |
7e1b7485 | 64 | {"out", OPT_OUT, '>', "Output to filename rather than stdout"}, |
6d382c74 | 65 | {"keyform", OPT_KEYFORM, 'f', "Key file format (ENGINE, other values ignored)"}, |
7e1b7485 RS |
66 | {"hex", OPT_HEX, '-', "Print as hex dump"}, |
67 | {"binary", OPT_BINARY, '-', "Print in binary form"}, | |
68 | {"d", OPT_DEBUG, '-', "Print debug info"}, | |
a173a7ee | 69 | {"debug", OPT_DEBUG, '-', "Print debug info"}, |
5388f986 RS |
70 | |
71 | OPT_SECTION("Signing"), | |
72 | {"sign", OPT_SIGN, 's', "Sign digest using private key"}, | |
73 | {"verify", OPT_VERIFY, 's', "Verify a signature using public key"}, | |
74 | {"prverify", OPT_PRVERIFY, 's', "Verify a signature using private key"}, | |
75 | {"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"}, | |
76 | {"signature", OPT_SIGNATURE, '<', "File with signature to verify"}, | |
7e1b7485 | 77 | {"hmac", OPT_HMAC, 's', "Create hashed MAC with key"}, |
0d4fb843 | 78 | {"mac", OPT_MAC, 's', "Create MAC (not necessarily HMAC)"}, |
d175e8a6 | 79 | {"macopt", OPT_MACOPT, 's', "MAC algorithm parameters in n:v form or key"}, |
9c3bcfa0 | 80 | {"", OPT_DIGEST, '-', "Any supported digest"}, |
5388f986 RS |
81 | {"fips-fingerprint", OPT_FIPS_FINGERPRINT, '-', |
82 | "Compute HMAC with the key used in OpenSSL-FIPS fingerprint"}, | |
83 | ||
3ee1eac2 | 84 | OPT_R_OPTIONS, |
6bd4e3f2 | 85 | OPT_PROV_OPTIONS, |
92de469f RS |
86 | |
87 | OPT_PARAMETERS(), | |
88 | {"file", 0, 0, "Files to digest (optional; default is stdin)"}, | |
7e1b7485 RS |
89 | {NULL} |
90 | }; | |
91 | ||
92 | int dgst_main(int argc, char **argv) | |
0f113f3e | 93 | { |
7e1b7485 | 94 | BIO *in = NULL, *inp, *bmd = NULL, *out = NULL; |
0f113f3e | 95 | ENGINE *e = NULL, *impl = NULL; |
7e1b7485 RS |
96 | EVP_PKEY *sigkey = NULL; |
97 | STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL; | |
98 | char *hmac_key = NULL; | |
99 | char *mac_name = NULL; | |
100 | char *passinarg = NULL, *passin = NULL; | |
0f113f3e | 101 | const EVP_MD *md = NULL, *m; |
7e1b7485 | 102 | const char *outfile = NULL, *keyfile = NULL, *prog = NULL; |
3ee1eac2 | 103 | const char *sigfile = NULL; |
7ed4b97b | 104 | const char *md_name = NULL; |
7e1b7485 RS |
105 | OPTION_CHOICE o; |
106 | int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0; | |
700b4a4a | 107 | int i, ret = 1, out_bin = -1, want_pub = 0, do_verify = 0; |
7e1b7485 | 108 | unsigned char *buf = NULL, *sigbuf = NULL; |
0f113f3e | 109 | int engine_impl = 0; |
f62d67b6 | 110 | struct doall_dgst_digests dec; |
0f113f3e | 111 | |
7e1b7485 | 112 | prog = opt_progname(argv[0]); |
68dc6824 | 113 | buf = app_malloc(BUFSIZE, "I/O buffer"); |
7e1b7485 RS |
114 | md = EVP_get_digestbyname(prog); |
115 | ||
116 | prog = opt_init(argc, argv, dgst_options); | |
117 | while ((o = opt_next()) != OPT_EOF) { | |
118 | switch (o) { | |
119 | case OPT_EOF: | |
120 | case OPT_ERR: | |
121 | opthelp: | |
122 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
123 | goto end; | |
124 | case OPT_HELP: | |
125 | opt_help(dgst_options); | |
126 | ret = 0; | |
127 | goto end; | |
f62d67b6 | 128 | case OPT_LIST: |
129 | BIO_printf(bio_out, "Supported digests:\n"); | |
130 | dec.bio = bio_out; | |
131 | dec.n = 0; | |
132 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, | |
133 | show_digests, &dec); | |
134 | BIO_printf(bio_out, "\n"); | |
135 | ret = 0; | |
136 | goto end; | |
7e1b7485 | 137 | case OPT_C: |
0f113f3e | 138 | separator = 1; |
7e1b7485 RS |
139 | break; |
140 | case OPT_R: | |
0f113f3e | 141 | separator = 2; |
7e1b7485 | 142 | break; |
3ee1eac2 RS |
143 | case OPT_R_CASES: |
144 | if (!opt_rand(o)) | |
145 | goto end; | |
7e1b7485 RS |
146 | break; |
147 | case OPT_OUT: | |
148 | outfile = opt_arg(); | |
149 | break; | |
150 | case OPT_SIGN: | |
151 | keyfile = opt_arg(); | |
152 | break; | |
153 | case OPT_PASSIN: | |
154 | passinarg = opt_arg(); | |
155 | break; | |
156 | case OPT_VERIFY: | |
157 | keyfile = opt_arg(); | |
158 | want_pub = do_verify = 1; | |
159 | break; | |
160 | case OPT_PRVERIFY: | |
161 | keyfile = opt_arg(); | |
0f113f3e | 162 | do_verify = 1; |
7e1b7485 RS |
163 | break; |
164 | case OPT_SIGNATURE: | |
165 | sigfile = opt_arg(); | |
166 | break; | |
167 | case OPT_KEYFORM: | |
168 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) | |
169 | goto opthelp; | |
170 | break; | |
7e1b7485 | 171 | case OPT_ENGINE: |
333b070e | 172 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
173 | break; |
174 | case OPT_ENGINE_IMPL: | |
0f113f3e | 175 | engine_impl = 1; |
7e1b7485 | 176 | break; |
7e1b7485 | 177 | case OPT_HEX: |
0f113f3e | 178 | out_bin = 0; |
7e1b7485 RS |
179 | break; |
180 | case OPT_BINARY: | |
0f113f3e | 181 | out_bin = 1; |
7e1b7485 RS |
182 | break; |
183 | case OPT_DEBUG: | |
0f113f3e | 184 | debug = 1; |
7e1b7485 RS |
185 | break; |
186 | case OPT_FIPS_FINGERPRINT: | |
0f113f3e | 187 | hmac_key = "etaonrishdlcupfm"; |
7e1b7485 | 188 | break; |
7e1b7485 RS |
189 | case OPT_HMAC: |
190 | hmac_key = opt_arg(); | |
191 | break; | |
192 | case OPT_MAC: | |
193 | mac_name = opt_arg(); | |
194 | break; | |
195 | case OPT_SIGOPT: | |
0f113f3e MC |
196 | if (!sigopts) |
197 | sigopts = sk_OPENSSL_STRING_new_null(); | |
7e1b7485 RS |
198 | if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg())) |
199 | goto opthelp; | |
200 | break; | |
201 | case OPT_MACOPT: | |
0f113f3e MC |
202 | if (!macopts) |
203 | macopts = sk_OPENSSL_STRING_new_null(); | |
7e1b7485 RS |
204 | if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg())) |
205 | goto opthelp; | |
206 | break; | |
207 | case OPT_DIGEST: | |
208 | if (!opt_md(opt_unknown(), &m)) | |
209 | goto opthelp; | |
0f113f3e | 210 | md = m; |
0f113f3e | 211 | break; |
6bd4e3f2 P |
212 | case OPT_PROV_CASES: |
213 | if (!opt_provider(o)) | |
214 | goto end; | |
215 | break; | |
7e1b7485 | 216 | } |
0f113f3e | 217 | } |
7e1b7485 RS |
218 | argc = opt_num_rest(); |
219 | argv = opt_rest(); | |
13a46183 RS |
220 | if (keyfile != NULL && argc > 1) { |
221 | BIO_printf(bio_err, "%s: Can only sign or verify one file.\n", prog); | |
222 | goto end; | |
223 | } | |
0f113f3e | 224 | |
2234212c | 225 | if (do_verify && sigfile == NULL) { |
0f113f3e MC |
226 | BIO_printf(bio_err, |
227 | "No signature to verify: use the -signature option\n"); | |
228 | goto end; | |
229 | } | |
0f113f3e MC |
230 | if (engine_impl) |
231 | impl = e; | |
bb845ee0 | 232 | |
0f113f3e MC |
233 | in = BIO_new(BIO_s_file()); |
234 | bmd = BIO_new(BIO_f_md()); | |
be1477ad MC |
235 | if ((in == NULL) || (bmd == NULL)) { |
236 | ERR_print_errors(bio_err); | |
237 | goto end; | |
238 | } | |
239 | ||
0f113f3e MC |
240 | if (debug) { |
241 | BIO_set_callback(in, BIO_debug_callback); | |
242 | /* needed for windows 3.1 */ | |
243 | BIO_set_callback_arg(in, (char *)bio_err); | |
244 | } | |
245 | ||
7e1b7485 | 246 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
247 | BIO_printf(bio_err, "Error getting password\n"); |
248 | goto end; | |
249 | } | |
250 | ||
0f113f3e | 251 | if (out_bin == -1) { |
2234212c | 252 | if (keyfile != NULL) |
0f113f3e MC |
253 | out_bin = 1; |
254 | else | |
255 | out_bin = 0; | |
256 | } | |
257 | ||
bdd58d98 | 258 | out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT); |
7e1b7485 | 259 | if (out == NULL) |
0f113f3e | 260 | goto end; |
7e1b7485 | 261 | |
2234212c | 262 | if ((!(mac_name == NULL) + !(keyfile == NULL) + !(hmac_key == NULL)) > 1) { |
0f113f3e MC |
263 | BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n"); |
264 | goto end; | |
265 | } | |
266 | ||
2234212c | 267 | if (keyfile != NULL) { |
e65c959f MC |
268 | int type; |
269 | ||
0f113f3e | 270 | if (want_pub) |
7e1b7485 | 271 | sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file"); |
0f113f3e | 272 | else |
7e1b7485 | 273 | sigkey = load_key(keyfile, keyform, 0, passin, e, "key file"); |
2234212c | 274 | if (sigkey == NULL) { |
0f113f3e MC |
275 | /* |
276 | * load_[pub]key() has already printed an appropriate message | |
277 | */ | |
278 | goto end; | |
279 | } | |
e65c959f MC |
280 | type = EVP_PKEY_id(sigkey); |
281 | if (type == EVP_PKEY_ED25519 || type == EVP_PKEY_ED448) { | |
282 | /* | |
283 | * We implement PureEdDSA for these which doesn't have a separate | |
284 | * digest, and only supports one shot. | |
285 | */ | |
286 | BIO_printf(bio_err, "Key type not supported for this operation\n"); | |
287 | goto end; | |
288 | } | |
0f113f3e MC |
289 | } |
290 | ||
2234212c | 291 | if (mac_name != NULL) { |
0f113f3e MC |
292 | EVP_PKEY_CTX *mac_ctx = NULL; |
293 | int r = 0; | |
7c9a7cf1 | 294 | if (!init_gen_str(&mac_ctx, mac_name, impl, 0, NULL, NULL)) |
0f113f3e | 295 | goto mac_end; |
2234212c | 296 | if (macopts != NULL) { |
0f113f3e MC |
297 | char *macopt; |
298 | for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) { | |
299 | macopt = sk_OPENSSL_STRING_value(macopts, i); | |
300 | if (pkey_ctrl_string(mac_ctx, macopt) <= 0) { | |
301 | BIO_printf(bio_err, | |
302 | "MAC parameter error \"%s\"\n", macopt); | |
303 | ERR_print_errors(bio_err); | |
304 | goto mac_end; | |
305 | } | |
306 | } | |
307 | } | |
308 | if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) { | |
309 | BIO_puts(bio_err, "Error generating key\n"); | |
310 | ERR_print_errors(bio_err); | |
311 | goto mac_end; | |
312 | } | |
313 | r = 1; | |
314 | mac_end: | |
c5ba2d99 | 315 | EVP_PKEY_CTX_free(mac_ctx); |
0f113f3e MC |
316 | if (r == 0) |
317 | goto end; | |
318 | } | |
319 | ||
2234212c | 320 | if (hmac_key != NULL) { |
f929439f MC |
321 | sigkey = EVP_PKEY_new_raw_private_key(EVP_PKEY_HMAC, impl, |
322 | (unsigned char *)hmac_key, -1); | |
2234212c | 323 | if (sigkey == NULL) |
0f113f3e MC |
324 | goto end; |
325 | } | |
326 | ||
2234212c | 327 | if (sigkey != NULL) { |
0f113f3e MC |
328 | EVP_MD_CTX *mctx = NULL; |
329 | EVP_PKEY_CTX *pctx = NULL; | |
330 | int r; | |
331 | if (!BIO_get_md_ctx(bmd, &mctx)) { | |
332 | BIO_printf(bio_err, "Error getting context\n"); | |
333 | ERR_print_errors(bio_err); | |
334 | goto end; | |
335 | } | |
336 | if (do_verify) | |
337 | r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey); | |
338 | else | |
339 | r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey); | |
340 | if (!r) { | |
341 | BIO_printf(bio_err, "Error setting context\n"); | |
342 | ERR_print_errors(bio_err); | |
343 | goto end; | |
344 | } | |
2234212c | 345 | if (sigopts != NULL) { |
0f113f3e MC |
346 | char *sigopt; |
347 | for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { | |
348 | sigopt = sk_OPENSSL_STRING_value(sigopts, i); | |
349 | if (pkey_ctrl_string(pctx, sigopt) <= 0) { | |
350 | BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt); | |
351 | ERR_print_errors(bio_err); | |
352 | goto end; | |
353 | } | |
354 | } | |
355 | } | |
356 | } | |
357 | /* we use md as a filter, reading from 'in' */ | |
358 | else { | |
359 | EVP_MD_CTX *mctx = NULL; | |
360 | if (!BIO_get_md_ctx(bmd, &mctx)) { | |
361 | BIO_printf(bio_err, "Error getting context\n"); | |
362 | ERR_print_errors(bio_err); | |
363 | goto end; | |
364 | } | |
365 | if (md == NULL) | |
f8547f62 | 366 | md = EVP_sha256(); |
0f113f3e | 367 | if (!EVP_DigestInit_ex(mctx, md, impl)) { |
7e1b7485 | 368 | BIO_printf(bio_err, "Error setting digest\n"); |
0f113f3e MC |
369 | ERR_print_errors(bio_err); |
370 | goto end; | |
371 | } | |
372 | } | |
373 | ||
2234212c | 374 | if (sigfile != NULL && sigkey != NULL) { |
7e1b7485 | 375 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
2234212c | 376 | if (sigbio == NULL) { |
0f113f3e MC |
377 | BIO_printf(bio_err, "Error opening signature file %s\n", sigfile); |
378 | ERR_print_errors(bio_err); | |
379 | goto end; | |
380 | } | |
7e1b7485 | 381 | siglen = EVP_PKEY_size(sigkey); |
68dc6824 | 382 | sigbuf = app_malloc(siglen, "signature buffer"); |
0f113f3e MC |
383 | siglen = BIO_read(sigbio, sigbuf, siglen); |
384 | BIO_free(sigbio); | |
385 | if (siglen <= 0) { | |
386 | BIO_printf(bio_err, "Error reading signature file %s\n", sigfile); | |
387 | ERR_print_errors(bio_err); | |
388 | goto end; | |
389 | } | |
390 | } | |
391 | inp = BIO_push(bmd, in); | |
392 | ||
393 | if (md == NULL) { | |
394 | EVP_MD_CTX *tctx; | |
395 | BIO_get_md_ctx(bmd, &tctx); | |
396 | md = EVP_MD_CTX_md(tctx); | |
397 | } | |
7ed4b97b RL |
398 | if (md != NULL) |
399 | md_name = EVP_MD_name(md); | |
0f113f3e MC |
400 | |
401 | if (argc == 0) { | |
402 | BIO_set_fp(in, stdin, BIO_NOCLOSE); | |
7e1b7485 | 403 | ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, |
7ed4b97b | 404 | siglen, NULL, md_name, "stdin"); |
0f113f3e | 405 | } else { |
7ed4b97b | 406 | const char *sig_name = NULL; |
0f113f3e | 407 | if (!out_bin) { |
2234212c | 408 | if (sigkey != NULL) { |
0f113f3e MC |
409 | const EVP_PKEY_ASN1_METHOD *ameth; |
410 | ameth = EVP_PKEY_get0_asn1(sigkey); | |
411 | if (ameth) | |
412 | EVP_PKEY_asn1_get0_info(NULL, NULL, | |
413 | NULL, NULL, &sig_name, ameth); | |
414 | } | |
0f113f3e | 415 | } |
7e1b7485 | 416 | ret = 0; |
0f113f3e MC |
417 | for (i = 0; i < argc; i++) { |
418 | int r; | |
419 | if (BIO_read_filename(in, argv[i]) <= 0) { | |
420 | perror(argv[i]); | |
7e1b7485 | 421 | ret++; |
0f113f3e | 422 | continue; |
2234212c | 423 | } else { |
0f113f3e | 424 | r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, |
a773b52a | 425 | siglen, sig_name, md_name, argv[i]); |
2234212c | 426 | } |
0f113f3e | 427 | if (r) |
7e1b7485 | 428 | ret = r; |
0f113f3e MC |
429 | (void)BIO_reset(bmd); |
430 | } | |
431 | } | |
432 | end: | |
4b45c6e5 | 433 | OPENSSL_clear_free(buf, BUFSIZE); |
ca3a82c3 | 434 | BIO_free(in); |
25aaa98a | 435 | OPENSSL_free(passin); |
0f113f3e MC |
436 | BIO_free_all(out); |
437 | EVP_PKEY_free(sigkey); | |
25aaa98a RS |
438 | sk_OPENSSL_STRING_free(sigopts); |
439 | sk_OPENSSL_STRING_free(macopts); | |
b548a1f1 | 440 | OPENSSL_free(sigbuf); |
ca3a82c3 | 441 | BIO_free(bmd); |
dd1abd44 | 442 | release_engine(e); |
26a7d938 | 443 | return ret; |
0f113f3e | 444 | } |
d02b48c6 | 445 | |
f62d67b6 | 446 | static void show_digests(const OBJ_NAME *name, void *arg) |
447 | { | |
448 | struct doall_dgst_digests *dec = (struct doall_dgst_digests *)arg; | |
449 | const EVP_MD *md = NULL; | |
450 | ||
451 | /* Filter out signed digests (a.k.a signature algorithms) */ | |
452 | if (strstr(name->name, "rsa") != NULL || strstr(name->name, "RSA") != NULL) | |
453 | return; | |
454 | ||
455 | if (!islower((unsigned char)*name->name)) | |
456 | return; | |
457 | ||
458 | /* Filter out message digests that we cannot use */ | |
459 | md = EVP_get_digestbyname(name->name); | |
460 | if (md == NULL) | |
461 | return; | |
462 | ||
463 | BIO_printf(dec->bio, "-%-25s", name->name); | |
464 | if (++dec->n == 3) { | |
465 | BIO_printf(dec->bio, "\n"); | |
466 | dec->n = 0; | |
467 | } else { | |
468 | BIO_printf(dec->bio, " "); | |
469 | } | |
470 | } | |
471 | ||
f3448f54 P |
472 | /* |
473 | * The newline_escape_filename function performs newline escaping for any | |
474 | * filename that contains a newline. This function also takes a pointer | |
475 | * to backslash. The backslash pointer is a flag to indicating whether a newline | |
476 | * is present in the filename. If a newline is present, the backslash flag is | |
477 | * set and the output format will contain a backslash at the beginning of the | |
478 | * digest output. This output format is to replicate the output format found | |
479 | * in the '*sum' checksum programs. This aims to preserve backward | |
480 | * compatibility. | |
481 | */ | |
482 | static const char *newline_escape_filename(const char *file, int * backslash) | |
483 | { | |
484 | size_t i, e = 0, length = strlen(file), newline_count = 0, mem_len = 0; | |
485 | char *file_cpy = NULL; | |
486 | ||
487 | for (i = 0; i < length; i++) | |
488 | if (file[i] == '\n') | |
489 | newline_count++; | |
490 | ||
491 | mem_len = length + newline_count + 1; | |
492 | file_cpy = app_malloc(mem_len, file); | |
493 | i = 0; | |
494 | ||
495 | while(e < length) { | |
496 | const char c = file[e]; | |
497 | if (c == '\n') { | |
498 | file_cpy[i++] = '\\'; | |
499 | file_cpy[i++] = 'n'; | |
500 | *backslash = 1; | |
501 | } else { | |
502 | file_cpy[i++] = c; | |
503 | } | |
504 | e++; | |
505 | } | |
506 | file_cpy[i] = '\0'; | |
507 | return (const char*)file_cpy; | |
508 | } | |
509 | ||
510 | ||
d15711ef | 511 | int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
0f113f3e MC |
512 | EVP_PKEY *key, unsigned char *sigin, int siglen, |
513 | const char *sig_name, const char *md_name, | |
a773b52a | 514 | const char *file) |
0f113f3e | 515 | { |
7c2d95d4 PK |
516 | size_t len = BUFSIZE; |
517 | int i, backslash = 0, ret = 1; | |
518 | unsigned char *sigbuf = NULL; | |
0f113f3e | 519 | |
8ed7bbb4 | 520 | while (BIO_pending(bp) || !BIO_eof(bp)) { |
0f113f3e MC |
521 | i = BIO_read(bp, (char *)buf, BUFSIZE); |
522 | if (i < 0) { | |
523 | BIO_printf(bio_err, "Read Error in %s\n", file); | |
524 | ERR_print_errors(bio_err); | |
7c2d95d4 | 525 | goto end; |
0f113f3e MC |
526 | } |
527 | if (i == 0) | |
528 | break; | |
529 | } | |
2234212c | 530 | if (sigin != NULL) { |
0f113f3e MC |
531 | EVP_MD_CTX *ctx; |
532 | BIO_get_md_ctx(bp, &ctx); | |
533 | i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen); | |
2234212c | 534 | if (i > 0) { |
0f113f3e | 535 | BIO_printf(out, "Verified OK\n"); |
2234212c | 536 | } else if (i == 0) { |
0f113f3e | 537 | BIO_printf(out, "Verification Failure\n"); |
7c2d95d4 | 538 | goto end; |
0f113f3e MC |
539 | } else { |
540 | BIO_printf(bio_err, "Error Verifying Data\n"); | |
541 | ERR_print_errors(bio_err); | |
7c2d95d4 | 542 | goto end; |
0f113f3e | 543 | } |
7c2d95d4 PK |
544 | ret = 0; |
545 | goto end; | |
0f113f3e | 546 | } |
2234212c | 547 | if (key != NULL) { |
0f113f3e | 548 | EVP_MD_CTX *ctx; |
0a054d2a RL |
549 | size_t tmplen; |
550 | ||
0f113f3e | 551 | BIO_get_md_ctx(bp, &ctx); |
0a054d2a RL |
552 | if (!EVP_DigestSignFinal(ctx, NULL, &tmplen)) { |
553 | BIO_printf(bio_err, "Error Signing Data\n"); | |
554 | ERR_print_errors(bio_err); | |
555 | goto end; | |
556 | } | |
557 | if (tmplen > BUFSIZE) { | |
558 | len = tmplen; | |
7c2d95d4 PK |
559 | sigbuf = app_malloc(len, "Signature buffer"); |
560 | buf = sigbuf; | |
561 | } | |
0f113f3e MC |
562 | if (!EVP_DigestSignFinal(ctx, buf, &len)) { |
563 | BIO_printf(bio_err, "Error Signing Data\n"); | |
564 | ERR_print_errors(bio_err); | |
7c2d95d4 | 565 | goto end; |
0f113f3e MC |
566 | } |
567 | } else { | |
568 | len = BIO_gets(bp, (char *)buf, BUFSIZE); | |
569 | if ((int)len < 0) { | |
570 | ERR_print_errors(bio_err); | |
7c2d95d4 | 571 | goto end; |
0f113f3e MC |
572 | } |
573 | } | |
574 | ||
2234212c | 575 | if (binout) { |
0f113f3e | 576 | BIO_write(out, buf, len); |
2234212c | 577 | } else if (sep == 2) { |
f3448f54 P |
578 | file = newline_escape_filename(file, &backslash); |
579 | ||
580 | if (backslash == 1) | |
581 | BIO_puts(out, "\\"); | |
582 | ||
0f113f3e MC |
583 | for (i = 0; i < (int)len; i++) |
584 | BIO_printf(out, "%02x", buf[i]); | |
f3448f54 | 585 | |
0f113f3e | 586 | BIO_printf(out, " *%s\n", file); |
f3448f54 | 587 | OPENSSL_free((char *)file); |
0f113f3e | 588 | } else { |
2234212c | 589 | if (sig_name != NULL) { |
0f113f3e | 590 | BIO_puts(out, sig_name); |
2234212c | 591 | if (md_name != NULL) |
0f113f3e MC |
592 | BIO_printf(out, "-%s", md_name); |
593 | BIO_printf(out, "(%s)= ", file); | |
2234212c | 594 | } else if (md_name != NULL) { |
0f113f3e | 595 | BIO_printf(out, "%s(%s)= ", md_name, file); |
2234212c | 596 | } else { |
0f113f3e | 597 | BIO_printf(out, "(%s)= ", file); |
2234212c | 598 | } |
0f113f3e MC |
599 | for (i = 0; i < (int)len; i++) { |
600 | if (sep && (i != 0)) | |
601 | BIO_printf(out, ":"); | |
602 | BIO_printf(out, "%02x", buf[i]); | |
603 | } | |
604 | BIO_printf(out, "\n"); | |
605 | } | |
7c2d95d4 PK |
606 | |
607 | ret = 0; | |
608 | end: | |
609 | if (sigbuf != NULL) | |
610 | OPENSSL_clear_free(sigbuf, len); | |
611 | ||
612 | return ret; | |
0f113f3e | 613 | } |