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Commit | Line | Data |
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846e33c7 | 1 | /* |
f62d67b6 | 2 | * Copyright 1995-2019 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, |
f1b8b001 | 45 | OPT_R_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"}, |
7e1b7485 | 65 | {"keyform", OPT_KEYFORM, 'f', "Key file format (PEM or ENGINE)"}, |
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, |
92de469f RS |
85 | |
86 | OPT_PARAMETERS(), | |
87 | {"file", 0, 0, "Files to digest (optional; default is stdin)"}, | |
7e1b7485 RS |
88 | {NULL} |
89 | }; | |
90 | ||
91 | int dgst_main(int argc, char **argv) | |
0f113f3e | 92 | { |
7e1b7485 | 93 | BIO *in = NULL, *inp, *bmd = NULL, *out = NULL; |
0f113f3e | 94 | ENGINE *e = NULL, *impl = NULL; |
7e1b7485 RS |
95 | EVP_PKEY *sigkey = NULL; |
96 | STACK_OF(OPENSSL_STRING) *sigopts = NULL, *macopts = NULL; | |
97 | char *hmac_key = NULL; | |
98 | char *mac_name = NULL; | |
99 | char *passinarg = NULL, *passin = NULL; | |
0f113f3e | 100 | const EVP_MD *md = NULL, *m; |
7e1b7485 | 101 | const char *outfile = NULL, *keyfile = NULL, *prog = NULL; |
3ee1eac2 | 102 | const char *sigfile = NULL; |
7ed4b97b | 103 | const char *md_name = NULL; |
7e1b7485 RS |
104 | OPTION_CHOICE o; |
105 | int separator = 0, debug = 0, keyform = FORMAT_PEM, siglen = 0; | |
700b4a4a | 106 | int i, ret = 1, out_bin = -1, want_pub = 0, do_verify = 0; |
7e1b7485 | 107 | unsigned char *buf = NULL, *sigbuf = NULL; |
0f113f3e | 108 | int engine_impl = 0; |
f62d67b6 | 109 | struct doall_dgst_digests dec; |
0f113f3e | 110 | |
7e1b7485 | 111 | prog = opt_progname(argv[0]); |
68dc6824 | 112 | buf = app_malloc(BUFSIZE, "I/O buffer"); |
7e1b7485 RS |
113 | md = EVP_get_digestbyname(prog); |
114 | ||
115 | prog = opt_init(argc, argv, dgst_options); | |
116 | while ((o = opt_next()) != OPT_EOF) { | |
117 | switch (o) { | |
118 | case OPT_EOF: | |
119 | case OPT_ERR: | |
120 | opthelp: | |
121 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
122 | goto end; | |
123 | case OPT_HELP: | |
124 | opt_help(dgst_options); | |
125 | ret = 0; | |
126 | goto end; | |
f62d67b6 | 127 | case OPT_LIST: |
128 | BIO_printf(bio_out, "Supported digests:\n"); | |
129 | dec.bio = bio_out; | |
130 | dec.n = 0; | |
131 | OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_MD_METH, | |
132 | show_digests, &dec); | |
133 | BIO_printf(bio_out, "\n"); | |
134 | ret = 0; | |
135 | goto end; | |
7e1b7485 | 136 | case OPT_C: |
0f113f3e | 137 | separator = 1; |
7e1b7485 RS |
138 | break; |
139 | case OPT_R: | |
0f113f3e | 140 | separator = 2; |
7e1b7485 | 141 | break; |
3ee1eac2 RS |
142 | case OPT_R_CASES: |
143 | if (!opt_rand(o)) | |
144 | goto end; | |
7e1b7485 RS |
145 | break; |
146 | case OPT_OUT: | |
147 | outfile = opt_arg(); | |
148 | break; | |
149 | case OPT_SIGN: | |
150 | keyfile = opt_arg(); | |
151 | break; | |
152 | case OPT_PASSIN: | |
153 | passinarg = opt_arg(); | |
154 | break; | |
155 | case OPT_VERIFY: | |
156 | keyfile = opt_arg(); | |
157 | want_pub = do_verify = 1; | |
158 | break; | |
159 | case OPT_PRVERIFY: | |
160 | keyfile = opt_arg(); | |
0f113f3e | 161 | do_verify = 1; |
7e1b7485 RS |
162 | break; |
163 | case OPT_SIGNATURE: | |
164 | sigfile = opt_arg(); | |
165 | break; | |
166 | case OPT_KEYFORM: | |
167 | if (!opt_format(opt_arg(), OPT_FMT_ANY, &keyform)) | |
168 | goto opthelp; | |
169 | break; | |
7e1b7485 | 170 | case OPT_ENGINE: |
333b070e | 171 | e = setup_engine(opt_arg(), 0); |
7e1b7485 RS |
172 | break; |
173 | case OPT_ENGINE_IMPL: | |
0f113f3e | 174 | engine_impl = 1; |
7e1b7485 | 175 | break; |
7e1b7485 | 176 | case OPT_HEX: |
0f113f3e | 177 | out_bin = 0; |
7e1b7485 RS |
178 | break; |
179 | case OPT_BINARY: | |
0f113f3e | 180 | out_bin = 1; |
7e1b7485 RS |
181 | break; |
182 | case OPT_DEBUG: | |
0f113f3e | 183 | debug = 1; |
7e1b7485 RS |
184 | break; |
185 | case OPT_FIPS_FINGERPRINT: | |
0f113f3e | 186 | hmac_key = "etaonrishdlcupfm"; |
7e1b7485 | 187 | break; |
7e1b7485 RS |
188 | case OPT_HMAC: |
189 | hmac_key = opt_arg(); | |
190 | break; | |
191 | case OPT_MAC: | |
192 | mac_name = opt_arg(); | |
193 | break; | |
194 | case OPT_SIGOPT: | |
0f113f3e MC |
195 | if (!sigopts) |
196 | sigopts = sk_OPENSSL_STRING_new_null(); | |
7e1b7485 RS |
197 | if (!sigopts || !sk_OPENSSL_STRING_push(sigopts, opt_arg())) |
198 | goto opthelp; | |
199 | break; | |
200 | case OPT_MACOPT: | |
0f113f3e MC |
201 | if (!macopts) |
202 | macopts = sk_OPENSSL_STRING_new_null(); | |
7e1b7485 RS |
203 | if (!macopts || !sk_OPENSSL_STRING_push(macopts, opt_arg())) |
204 | goto opthelp; | |
205 | break; | |
206 | case OPT_DIGEST: | |
207 | if (!opt_md(opt_unknown(), &m)) | |
208 | goto opthelp; | |
0f113f3e | 209 | md = m; |
0f113f3e | 210 | break; |
7e1b7485 | 211 | } |
0f113f3e | 212 | } |
7e1b7485 RS |
213 | argc = opt_num_rest(); |
214 | argv = opt_rest(); | |
13a46183 RS |
215 | if (keyfile != NULL && argc > 1) { |
216 | BIO_printf(bio_err, "%s: Can only sign or verify one file.\n", prog); | |
217 | goto end; | |
218 | } | |
0f113f3e | 219 | |
2234212c | 220 | if (do_verify && sigfile == NULL) { |
0f113f3e MC |
221 | BIO_printf(bio_err, |
222 | "No signature to verify: use the -signature option\n"); | |
223 | goto end; | |
224 | } | |
0f113f3e MC |
225 | if (engine_impl) |
226 | impl = e; | |
bb845ee0 | 227 | |
0f113f3e MC |
228 | in = BIO_new(BIO_s_file()); |
229 | bmd = BIO_new(BIO_f_md()); | |
be1477ad MC |
230 | if ((in == NULL) || (bmd == NULL)) { |
231 | ERR_print_errors(bio_err); | |
232 | goto end; | |
233 | } | |
234 | ||
0f113f3e MC |
235 | if (debug) { |
236 | BIO_set_callback(in, BIO_debug_callback); | |
237 | /* needed for windows 3.1 */ | |
238 | BIO_set_callback_arg(in, (char *)bio_err); | |
239 | } | |
240 | ||
7e1b7485 | 241 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
0f113f3e MC |
242 | BIO_printf(bio_err, "Error getting password\n"); |
243 | goto end; | |
244 | } | |
245 | ||
0f113f3e | 246 | if (out_bin == -1) { |
2234212c | 247 | if (keyfile != NULL) |
0f113f3e MC |
248 | out_bin = 1; |
249 | else | |
250 | out_bin = 0; | |
251 | } | |
252 | ||
bdd58d98 | 253 | out = bio_open_default(outfile, 'w', out_bin ? FORMAT_BINARY : FORMAT_TEXT); |
7e1b7485 | 254 | if (out == NULL) |
0f113f3e | 255 | goto end; |
7e1b7485 | 256 | |
2234212c | 257 | if ((!(mac_name == NULL) + !(keyfile == NULL) + !(hmac_key == NULL)) > 1) { |
0f113f3e MC |
258 | BIO_printf(bio_err, "MAC and Signing key cannot both be specified\n"); |
259 | goto end; | |
260 | } | |
261 | ||
2234212c | 262 | if (keyfile != NULL) { |
e65c959f MC |
263 | int type; |
264 | ||
0f113f3e | 265 | if (want_pub) |
7e1b7485 | 266 | sigkey = load_pubkey(keyfile, keyform, 0, NULL, e, "key file"); |
0f113f3e | 267 | else |
7e1b7485 | 268 | sigkey = load_key(keyfile, keyform, 0, passin, e, "key file"); |
2234212c | 269 | if (sigkey == NULL) { |
0f113f3e MC |
270 | /* |
271 | * load_[pub]key() has already printed an appropriate message | |
272 | */ | |
273 | goto end; | |
274 | } | |
e65c959f MC |
275 | type = EVP_PKEY_id(sigkey); |
276 | if (type == EVP_PKEY_ED25519 || type == EVP_PKEY_ED448) { | |
277 | /* | |
278 | * We implement PureEdDSA for these which doesn't have a separate | |
279 | * digest, and only supports one shot. | |
280 | */ | |
281 | BIO_printf(bio_err, "Key type not supported for this operation\n"); | |
282 | goto end; | |
283 | } | |
0f113f3e MC |
284 | } |
285 | ||
2234212c | 286 | if (mac_name != NULL) { |
0f113f3e MC |
287 | EVP_PKEY_CTX *mac_ctx = NULL; |
288 | int r = 0; | |
7e1b7485 | 289 | if (!init_gen_str(&mac_ctx, mac_name, impl, 0)) |
0f113f3e | 290 | goto mac_end; |
2234212c | 291 | if (macopts != NULL) { |
0f113f3e MC |
292 | char *macopt; |
293 | for (i = 0; i < sk_OPENSSL_STRING_num(macopts); i++) { | |
294 | macopt = sk_OPENSSL_STRING_value(macopts, i); | |
295 | if (pkey_ctrl_string(mac_ctx, macopt) <= 0) { | |
296 | BIO_printf(bio_err, | |
297 | "MAC parameter error \"%s\"\n", macopt); | |
298 | ERR_print_errors(bio_err); | |
299 | goto mac_end; | |
300 | } | |
301 | } | |
302 | } | |
303 | if (EVP_PKEY_keygen(mac_ctx, &sigkey) <= 0) { | |
304 | BIO_puts(bio_err, "Error generating key\n"); | |
305 | ERR_print_errors(bio_err); | |
306 | goto mac_end; | |
307 | } | |
308 | r = 1; | |
309 | mac_end: | |
c5ba2d99 | 310 | EVP_PKEY_CTX_free(mac_ctx); |
0f113f3e MC |
311 | if (r == 0) |
312 | goto end; | |
313 | } | |
314 | ||
2234212c | 315 | if (hmac_key != NULL) { |
f929439f MC |
316 | sigkey = EVP_PKEY_new_raw_private_key(EVP_PKEY_HMAC, impl, |
317 | (unsigned char *)hmac_key, -1); | |
2234212c | 318 | if (sigkey == NULL) |
0f113f3e MC |
319 | goto end; |
320 | } | |
321 | ||
2234212c | 322 | if (sigkey != NULL) { |
0f113f3e MC |
323 | EVP_MD_CTX *mctx = NULL; |
324 | EVP_PKEY_CTX *pctx = NULL; | |
325 | int r; | |
326 | if (!BIO_get_md_ctx(bmd, &mctx)) { | |
327 | BIO_printf(bio_err, "Error getting context\n"); | |
328 | ERR_print_errors(bio_err); | |
329 | goto end; | |
330 | } | |
331 | if (do_verify) | |
332 | r = EVP_DigestVerifyInit(mctx, &pctx, md, impl, sigkey); | |
333 | else | |
334 | r = EVP_DigestSignInit(mctx, &pctx, md, impl, sigkey); | |
335 | if (!r) { | |
336 | BIO_printf(bio_err, "Error setting context\n"); | |
337 | ERR_print_errors(bio_err); | |
338 | goto end; | |
339 | } | |
2234212c | 340 | if (sigopts != NULL) { |
0f113f3e MC |
341 | char *sigopt; |
342 | for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { | |
343 | sigopt = sk_OPENSSL_STRING_value(sigopts, i); | |
344 | if (pkey_ctrl_string(pctx, sigopt) <= 0) { | |
345 | BIO_printf(bio_err, "parameter error \"%s\"\n", sigopt); | |
346 | ERR_print_errors(bio_err); | |
347 | goto end; | |
348 | } | |
349 | } | |
350 | } | |
351 | } | |
352 | /* we use md as a filter, reading from 'in' */ | |
353 | else { | |
354 | EVP_MD_CTX *mctx = NULL; | |
355 | if (!BIO_get_md_ctx(bmd, &mctx)) { | |
356 | BIO_printf(bio_err, "Error getting context\n"); | |
357 | ERR_print_errors(bio_err); | |
358 | goto end; | |
359 | } | |
360 | if (md == NULL) | |
f8547f62 | 361 | md = EVP_sha256(); |
0f113f3e | 362 | if (!EVP_DigestInit_ex(mctx, md, impl)) { |
7e1b7485 | 363 | BIO_printf(bio_err, "Error setting digest\n"); |
0f113f3e MC |
364 | ERR_print_errors(bio_err); |
365 | goto end; | |
366 | } | |
367 | } | |
368 | ||
2234212c | 369 | if (sigfile != NULL && sigkey != NULL) { |
7e1b7485 | 370 | BIO *sigbio = BIO_new_file(sigfile, "rb"); |
2234212c | 371 | if (sigbio == NULL) { |
0f113f3e MC |
372 | BIO_printf(bio_err, "Error opening signature file %s\n", sigfile); |
373 | ERR_print_errors(bio_err); | |
374 | goto end; | |
375 | } | |
7e1b7485 | 376 | siglen = EVP_PKEY_size(sigkey); |
68dc6824 | 377 | sigbuf = app_malloc(siglen, "signature buffer"); |
0f113f3e MC |
378 | siglen = BIO_read(sigbio, sigbuf, siglen); |
379 | BIO_free(sigbio); | |
380 | if (siglen <= 0) { | |
381 | BIO_printf(bio_err, "Error reading signature file %s\n", sigfile); | |
382 | ERR_print_errors(bio_err); | |
383 | goto end; | |
384 | } | |
385 | } | |
386 | inp = BIO_push(bmd, in); | |
387 | ||
388 | if (md == NULL) { | |
389 | EVP_MD_CTX *tctx; | |
390 | BIO_get_md_ctx(bmd, &tctx); | |
391 | md = EVP_MD_CTX_md(tctx); | |
392 | } | |
7ed4b97b RL |
393 | if (md != NULL) |
394 | md_name = EVP_MD_name(md); | |
0f113f3e MC |
395 | |
396 | if (argc == 0) { | |
397 | BIO_set_fp(in, stdin, BIO_NOCLOSE); | |
7e1b7485 | 398 | ret = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, |
7ed4b97b | 399 | siglen, NULL, md_name, "stdin"); |
0f113f3e | 400 | } else { |
7ed4b97b | 401 | const char *sig_name = NULL; |
0f113f3e | 402 | if (!out_bin) { |
2234212c | 403 | if (sigkey != NULL) { |
0f113f3e MC |
404 | const EVP_PKEY_ASN1_METHOD *ameth; |
405 | ameth = EVP_PKEY_get0_asn1(sigkey); | |
406 | if (ameth) | |
407 | EVP_PKEY_asn1_get0_info(NULL, NULL, | |
408 | NULL, NULL, &sig_name, ameth); | |
409 | } | |
0f113f3e | 410 | } |
7e1b7485 | 411 | ret = 0; |
0f113f3e MC |
412 | for (i = 0; i < argc; i++) { |
413 | int r; | |
414 | if (BIO_read_filename(in, argv[i]) <= 0) { | |
415 | perror(argv[i]); | |
7e1b7485 | 416 | ret++; |
0f113f3e | 417 | continue; |
2234212c | 418 | } else { |
0f113f3e | 419 | r = do_fp(out, buf, inp, separator, out_bin, sigkey, sigbuf, |
a773b52a | 420 | siglen, sig_name, md_name, argv[i]); |
2234212c | 421 | } |
0f113f3e | 422 | if (r) |
7e1b7485 | 423 | ret = r; |
0f113f3e MC |
424 | (void)BIO_reset(bmd); |
425 | } | |
426 | } | |
427 | end: | |
4b45c6e5 | 428 | OPENSSL_clear_free(buf, BUFSIZE); |
ca3a82c3 | 429 | BIO_free(in); |
25aaa98a | 430 | OPENSSL_free(passin); |
0f113f3e MC |
431 | BIO_free_all(out); |
432 | EVP_PKEY_free(sigkey); | |
25aaa98a RS |
433 | sk_OPENSSL_STRING_free(sigopts); |
434 | sk_OPENSSL_STRING_free(macopts); | |
b548a1f1 | 435 | OPENSSL_free(sigbuf); |
ca3a82c3 | 436 | BIO_free(bmd); |
dd1abd44 | 437 | release_engine(e); |
26a7d938 | 438 | return ret; |
0f113f3e | 439 | } |
d02b48c6 | 440 | |
f62d67b6 | 441 | static void show_digests(const OBJ_NAME *name, void *arg) |
442 | { | |
443 | struct doall_dgst_digests *dec = (struct doall_dgst_digests *)arg; | |
444 | const EVP_MD *md = NULL; | |
445 | ||
446 | /* Filter out signed digests (a.k.a signature algorithms) */ | |
447 | if (strstr(name->name, "rsa") != NULL || strstr(name->name, "RSA") != NULL) | |
448 | return; | |
449 | ||
450 | if (!islower((unsigned char)*name->name)) | |
451 | return; | |
452 | ||
453 | /* Filter out message digests that we cannot use */ | |
454 | md = EVP_get_digestbyname(name->name); | |
455 | if (md == NULL) | |
456 | return; | |
457 | ||
458 | BIO_printf(dec->bio, "-%-25s", name->name); | |
459 | if (++dec->n == 3) { | |
460 | BIO_printf(dec->bio, "\n"); | |
461 | dec->n = 0; | |
462 | } else { | |
463 | BIO_printf(dec->bio, " "); | |
464 | } | |
465 | } | |
466 | ||
f3448f54 P |
467 | /* |
468 | * The newline_escape_filename function performs newline escaping for any | |
469 | * filename that contains a newline. This function also takes a pointer | |
470 | * to backslash. The backslash pointer is a flag to indicating whether a newline | |
471 | * is present in the filename. If a newline is present, the backslash flag is | |
472 | * set and the output format will contain a backslash at the beginning of the | |
473 | * digest output. This output format is to replicate the output format found | |
474 | * in the '*sum' checksum programs. This aims to preserve backward | |
475 | * compatibility. | |
476 | */ | |
477 | static const char *newline_escape_filename(const char *file, int * backslash) | |
478 | { | |
479 | size_t i, e = 0, length = strlen(file), newline_count = 0, mem_len = 0; | |
480 | char *file_cpy = NULL; | |
481 | ||
482 | for (i = 0; i < length; i++) | |
483 | if (file[i] == '\n') | |
484 | newline_count++; | |
485 | ||
486 | mem_len = length + newline_count + 1; | |
487 | file_cpy = app_malloc(mem_len, file); | |
488 | i = 0; | |
489 | ||
490 | while(e < length) { | |
491 | const char c = file[e]; | |
492 | if (c == '\n') { | |
493 | file_cpy[i++] = '\\'; | |
494 | file_cpy[i++] = 'n'; | |
495 | *backslash = 1; | |
496 | } else { | |
497 | file_cpy[i++] = c; | |
498 | } | |
499 | e++; | |
500 | } | |
501 | file_cpy[i] = '\0'; | |
502 | return (const char*)file_cpy; | |
503 | } | |
504 | ||
505 | ||
d15711ef | 506 | int do_fp(BIO *out, unsigned char *buf, BIO *bp, int sep, int binout, |
0f113f3e MC |
507 | EVP_PKEY *key, unsigned char *sigin, int siglen, |
508 | const char *sig_name, const char *md_name, | |
a773b52a | 509 | const char *file) |
0f113f3e | 510 | { |
7c2d95d4 PK |
511 | size_t len = BUFSIZE; |
512 | int i, backslash = 0, ret = 1; | |
513 | unsigned char *sigbuf = NULL; | |
0f113f3e | 514 | |
8ed7bbb4 | 515 | while (BIO_pending(bp) || !BIO_eof(bp)) { |
0f113f3e MC |
516 | i = BIO_read(bp, (char *)buf, BUFSIZE); |
517 | if (i < 0) { | |
518 | BIO_printf(bio_err, "Read Error in %s\n", file); | |
519 | ERR_print_errors(bio_err); | |
7c2d95d4 | 520 | goto end; |
0f113f3e MC |
521 | } |
522 | if (i == 0) | |
523 | break; | |
524 | } | |
2234212c | 525 | if (sigin != NULL) { |
0f113f3e MC |
526 | EVP_MD_CTX *ctx; |
527 | BIO_get_md_ctx(bp, &ctx); | |
528 | i = EVP_DigestVerifyFinal(ctx, sigin, (unsigned int)siglen); | |
2234212c | 529 | if (i > 0) { |
0f113f3e | 530 | BIO_printf(out, "Verified OK\n"); |
2234212c | 531 | } else if (i == 0) { |
0f113f3e | 532 | BIO_printf(out, "Verification Failure\n"); |
7c2d95d4 | 533 | goto end; |
0f113f3e MC |
534 | } else { |
535 | BIO_printf(bio_err, "Error Verifying Data\n"); | |
536 | ERR_print_errors(bio_err); | |
7c2d95d4 | 537 | goto end; |
0f113f3e | 538 | } |
7c2d95d4 PK |
539 | ret = 0; |
540 | goto end; | |
0f113f3e | 541 | } |
2234212c | 542 | if (key != NULL) { |
0f113f3e | 543 | EVP_MD_CTX *ctx; |
7c2d95d4 | 544 | int pkey_len; |
0f113f3e | 545 | BIO_get_md_ctx(bp, &ctx); |
7c2d95d4 PK |
546 | pkey_len = EVP_PKEY_size(key); |
547 | if (pkey_len > BUFSIZE) { | |
548 | len = pkey_len; | |
549 | sigbuf = app_malloc(len, "Signature buffer"); | |
550 | buf = sigbuf; | |
551 | } | |
0f113f3e MC |
552 | if (!EVP_DigestSignFinal(ctx, buf, &len)) { |
553 | BIO_printf(bio_err, "Error Signing Data\n"); | |
554 | ERR_print_errors(bio_err); | |
7c2d95d4 | 555 | goto end; |
0f113f3e MC |
556 | } |
557 | } else { | |
558 | len = BIO_gets(bp, (char *)buf, BUFSIZE); | |
559 | if ((int)len < 0) { | |
560 | ERR_print_errors(bio_err); | |
7c2d95d4 | 561 | goto end; |
0f113f3e MC |
562 | } |
563 | } | |
564 | ||
2234212c | 565 | if (binout) { |
0f113f3e | 566 | BIO_write(out, buf, len); |
2234212c | 567 | } else if (sep == 2) { |
f3448f54 P |
568 | file = newline_escape_filename(file, &backslash); |
569 | ||
570 | if (backslash == 1) | |
571 | BIO_puts(out, "\\"); | |
572 | ||
0f113f3e MC |
573 | for (i = 0; i < (int)len; i++) |
574 | BIO_printf(out, "%02x", buf[i]); | |
f3448f54 | 575 | |
0f113f3e | 576 | BIO_printf(out, " *%s\n", file); |
f3448f54 | 577 | OPENSSL_free((char *)file); |
0f113f3e | 578 | } else { |
2234212c | 579 | if (sig_name != NULL) { |
0f113f3e | 580 | BIO_puts(out, sig_name); |
2234212c | 581 | if (md_name != NULL) |
0f113f3e MC |
582 | BIO_printf(out, "-%s", md_name); |
583 | BIO_printf(out, "(%s)= ", file); | |
2234212c | 584 | } else if (md_name != NULL) { |
0f113f3e | 585 | BIO_printf(out, "%s(%s)= ", md_name, file); |
2234212c | 586 | } else { |
0f113f3e | 587 | BIO_printf(out, "(%s)= ", file); |
2234212c | 588 | } |
0f113f3e MC |
589 | for (i = 0; i < (int)len; i++) { |
590 | if (sep && (i != 0)) | |
591 | BIO_printf(out, ":"); | |
592 | BIO_printf(out, "%02x", buf[i]); | |
593 | } | |
594 | BIO_printf(out, "\n"); | |
595 | } | |
7c2d95d4 PK |
596 | |
597 | ret = 0; | |
598 | end: | |
599 | if (sigbuf != NULL) | |
600 | OPENSSL_clear_free(sigbuf, len); | |
601 | ||
602 | return ret; | |
0f113f3e | 603 | } |