]>
Commit | Line | Data |
---|---|---|
07b8dcd0 MT |
1 | diff -Naur old/auth-pam.c new/auth-pam.c |
2 | --- old/auth-pam.c 2017-10-03 21:49:05.363829772 -1000 | |
3 | +++ new/auth-pam.c 2017-10-03 21:55:50.869718862 -1000 | |
4 | @@ -128,6 +128,10 @@ | |
5 | typedef pthread_t sp_pthread_t; | |
6 | #else | |
7 | typedef pid_t sp_pthread_t; | |
8 | +# define pthread_create(a, b, c, d) _ssh_compat_pthread_create(a, b, c, d) | |
9 | +# define pthread_exit(a) _ssh_compat_pthread_exit(a) | |
10 | +# define pthread_cancel(a) _ssh_compat_pthread_cancel(a) | |
11 | +# define pthread_join(a, b) _ssh_compat_pthread_join(a, b) | |
12 | #endif | |
13 | ||
14 | struct pam_ctxt { | |
15 | diff -Naur old/cipher.c new/cipher.c | |
16 | --- old/cipher.c 2017-10-03 21:49:05.367162904 -1000 | |
17 | +++ new/cipher.c 2017-10-03 21:55:50.869718862 -1000 | |
18 | @@ -297,7 +297,10 @@ | |
19 | goto out; | |
20 | } | |
21 | } | |
22 | - if (EVP_CipherInit(cc->evp, NULL, (u_char *)key, NULL, -1) == 0) { | |
23 | + /* in OpenSSL 1.1.0, EVP_CipherInit clears all previous setups; | |
24 | + use EVP_CipherInit_ex for augmenting */ | |
25 | + if (EVP_CipherInit_ex(cc->evp, NULL, NULL, (u_char *)key, NULL, -1) == 0) | |
26 | + { | |
27 | ret = SSH_ERR_LIBCRYPTO_ERROR; | |
28 | goto out; | |
29 | } | |
30 | @@ -486,7 +489,7 @@ | |
31 | len, iv)) | |
32 | return SSH_ERR_LIBCRYPTO_ERROR; | |
33 | } else | |
34 | - memcpy(iv, cc->evp->iv, len); | |
35 | + memcpy(iv, EVP_CIPHER_CTX_iv(cc->evp), len); | |
36 | #endif | |
37 | return 0; | |
38 | } | |
39 | @@ -520,14 +523,19 @@ | |
40 | EVP_CTRL_GCM_SET_IV_FIXED, -1, (void *)iv)) | |
41 | return SSH_ERR_LIBCRYPTO_ERROR; | |
42 | } else | |
43 | - memcpy(cc->evp->iv, iv, evplen); | |
44 | + memcpy(EVP_CIPHER_CTX_iv(cc->evp), iv, evplen); | |
45 | #endif | |
46 | return 0; | |
47 | } | |
48 | ||
49 | #ifdef WITH_OPENSSL | |
50 | -#define EVP_X_STATE(evp) (evp)->cipher_data | |
51 | -#define EVP_X_STATE_LEN(evp) (evp)->cipher->ctx_size | |
52 | +# if OPENSSL_VERSION_NUMBER >= 0x10100000UL | |
53 | +#define EVP_X_STATE(evp) EVP_CIPHER_CTX_get_cipher_data(evp) | |
54 | +#define EVP_X_STATE_LEN(evp) EVP_CIPHER_impl_ctx_size(EVP_CIPHER_CTX_cipher(evp)) | |
55 | +# else | |
56 | +#define EVP_X_STATE(evp) (evp).cipher_data | |
57 | +#define EVP_X_STATE_LEN(evp) (evp).cipher->ctx_size | |
58 | +# endif | |
59 | #endif | |
60 | ||
61 | int | |
62 | diff -Naur old/cipher.h new/cipher.h | |
63 | --- old/cipher.h 2017-10-03 21:49:05.367162904 -1000 | |
64 | +++ new/cipher.h 2017-10-03 21:55:50.869718862 -1000 | |
65 | @@ -46,7 +46,18 @@ | |
66 | #define CIPHER_DECRYPT 0 | |
67 | ||
68 | struct sshcipher; | |
69 | +#if 0 | |
70 | +struct sshcipher_ctx { | |
71 | + int plaintext; | |
72 | + int encrypt; | |
73 | + EVP_CIPHER_CTX *evp; | |
74 | + struct chachapoly_ctx cp_ctx; /* XXX union with evp? */ | |
75 | + struct aesctr_ctx ac_ctx; /* XXX union with evp? */ | |
76 | + const struct sshcipher *cipher; | |
77 | +}; | |
78 | +#else | |
79 | struct sshcipher_ctx; | |
80 | +#endif | |
81 | ||
82 | const struct sshcipher *cipher_by_name(const char *); | |
83 | const char *cipher_warning_message(const struct sshcipher_ctx *); | |
84 | diff -Naur old/configure new/configure | |
85 | --- old/configure 2017-10-03 21:49:05.410493626 -1000 | |
86 | +++ new/configure 2017-10-03 22:01:49.159050540 -1000 | |
87 | @@ -12688,7 +12688,6 @@ | |
88 | 100*) ;; # 1.0.x | |
89 | 200*) ;; # LibreSSL | |
90 | *) | |
91 | - as_fn_error $? "OpenSSL >= 1.1.0 is not yet supported (have \"$ssl_library_ver\")" "$LINENO" 5 | |
92 | ;; | |
93 | esac | |
94 | { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ssl_library_ver" >&5 | |
95 | diff -Naur old/dh.c new/dh.c | |
96 | --- old/dh.c 2017-10-03 21:49:05.370496037 -1000 | |
97 | +++ new/dh.c 2017-10-03 21:55:50.869718862 -1000 | |
98 | @@ -212,14 +212,15 @@ | |
99 | /* diffie-hellman-groupN-sha1 */ | |
100 | ||
101 | int | |
102 | -dh_pub_is_valid(DH *dh, BIGNUM *dh_pub) | |
103 | +dh_pub_is_valid(const DH *dh, const BIGNUM *dh_pub) | |
104 | { | |
105 | int i; | |
106 | int n = BN_num_bits(dh_pub); | |
107 | int bits_set = 0; | |
108 | BIGNUM *tmp; | |
109 | + const BIGNUM *p; | |
110 | ||
111 | - if (dh_pub->neg) { | |
112 | + if (BN_is_negative(dh_pub)) { | |
113 | logit("invalid public DH value: negative"); | |
114 | return 0; | |
115 | } | |
116 | @@ -232,7 +233,8 @@ | |
117 | error("%s: BN_new failed", __func__); | |
118 | return 0; | |
119 | } | |
120 | - if (!BN_sub(tmp, dh->p, BN_value_one()) || | |
121 | + DH_get0_pqg(dh, &p, NULL, NULL); | |
122 | + if (!BN_sub(tmp, p, BN_value_one()) || | |
123 | BN_cmp(dh_pub, tmp) != -1) { /* pub_exp > p-2 */ | |
124 | BN_clear_free(tmp); | |
125 | logit("invalid public DH value: >= p-1"); | |
126 | @@ -243,14 +245,14 @@ | |
127 | for (i = 0; i <= n; i++) | |
128 | if (BN_is_bit_set(dh_pub, i)) | |
129 | bits_set++; | |
130 | - debug2("bits set: %d/%d", bits_set, BN_num_bits(dh->p)); | |
131 | + debug2("bits set: %d/%d", bits_set, BN_num_bits(p)); | |
132 | ||
133 | /* | |
134 | * if g==2 and bits_set==1 then computing log_g(dh_pub) is trivial | |
135 | */ | |
136 | if (bits_set < 4) { | |
137 | logit("invalid public DH value (%d/%d)", | |
138 | - bits_set, BN_num_bits(dh->p)); | |
139 | + bits_set, BN_num_bits(p)); | |
140 | return 0; | |
141 | } | |
142 | return 1; | |
143 | @@ -260,9 +262,13 @@ | |
144 | dh_gen_key(DH *dh, int need) | |
145 | { | |
146 | int pbits; | |
147 | + const BIGNUM *p, *pub_key; | |
148 | + BIGNUM *priv_key; | |
149 | ||
150 | - if (need < 0 || dh->p == NULL || | |
151 | - (pbits = BN_num_bits(dh->p)) <= 0 || | |
152 | + DH_get0_pqg(dh, &p, NULL, NULL); | |
153 | + | |
154 | + if (need < 0 || p == NULL || | |
155 | + (pbits = BN_num_bits(p)) <= 0 || | |
156 | need > INT_MAX / 2 || 2 * need > pbits) | |
157 | return SSH_ERR_INVALID_ARGUMENT; | |
158 | if (need < 256) | |
159 | @@ -271,10 +277,13 @@ | |
160 | * Pollard Rho, Big step/Little Step attacks are O(sqrt(n)), | |
161 | * so double requested need here. | |
162 | */ | |
163 | - dh->length = MINIMUM(need * 2, pbits - 1); | |
164 | - if (DH_generate_key(dh) == 0 || | |
165 | - !dh_pub_is_valid(dh, dh->pub_key)) { | |
166 | - BN_clear_free(dh->priv_key); | |
167 | + DH_set_length(dh, MIN(need * 2, pbits - 1)); | |
168 | + if (DH_generate_key(dh) == 0) { | |
169 | + return SSH_ERR_LIBCRYPTO_ERROR; | |
170 | + } | |
171 | + DH_get0_key(dh, &pub_key, &priv_key); | |
172 | + if (!dh_pub_is_valid(dh, pub_key)) { | |
173 | + BN_clear(priv_key); | |
174 | return SSH_ERR_LIBCRYPTO_ERROR; | |
175 | } | |
176 | return 0; | |
177 | @@ -283,16 +292,27 @@ | |
178 | DH * | |
179 | dh_new_group_asc(const char *gen, const char *modulus) | |
180 | { | |
181 | - DH *dh; | |
182 | + DH *dh = NULL; | |
183 | + BIGNUM *p=NULL, *g=NULL; | |
184 | ||
185 | - if ((dh = DH_new()) == NULL) | |
186 | - return NULL; | |
187 | - if (BN_hex2bn(&dh->p, modulus) == 0 || | |
188 | - BN_hex2bn(&dh->g, gen) == 0) { | |
189 | - DH_free(dh); | |
190 | - return NULL; | |
191 | + if ((dh = DH_new()) == NULL || | |
192 | + (p = BN_new()) == NULL || | |
193 | + (g = BN_new()) == NULL) | |
194 | + goto null; | |
195 | + if (BN_hex2bn(&p, modulus) == 0 || | |
196 | + BN_hex2bn(&g, gen) == 0) { | |
197 | + goto null; | |
198 | } | |
199 | + if (DH_set0_pqg(dh, p, NULL, g) == 0) { | |
200 | + goto null; | |
201 | + } | |
202 | + p = g = NULL; | |
203 | return (dh); | |
204 | +null: | |
205 | + BN_free(p); | |
206 | + BN_free(g); | |
207 | + DH_free(dh); | |
208 | + return NULL; | |
209 | } | |
210 | ||
211 | /* | |
212 | @@ -307,8 +327,8 @@ | |
213 | ||
214 | if ((dh = DH_new()) == NULL) | |
215 | return NULL; | |
216 | - dh->p = modulus; | |
217 | - dh->g = gen; | |
218 | + if (DH_set0_pqg(dh, modulus, NULL, gen) == 0) | |
219 | + return NULL; | |
220 | ||
221 | return (dh); | |
222 | } | |
223 | diff -Naur old/dh.h new/dh.h | |
224 | --- old/dh.h 2017-10-03 21:49:05.370496037 -1000 | |
225 | +++ new/dh.h 2017-10-03 21:55:50.869718862 -1000 | |
226 | @@ -42,7 +42,7 @@ | |
227 | DH *dh_new_group_fallback(int); | |
228 | ||
229 | int dh_gen_key(DH *, int); | |
230 | -int dh_pub_is_valid(DH *, BIGNUM *); | |
231 | +int dh_pub_is_valid(const DH *, const BIGNUM *); | |
232 | ||
233 | u_int dh_estimate(int); | |
234 | ||
235 | diff -Naur old/digest-openssl.c new/digest-openssl.c | |
236 | --- old/digest-openssl.c 2017-10-03 21:49:05.370496037 -1000 | |
237 | +++ new/digest-openssl.c 2017-10-03 21:55:50.869718862 -1000 | |
238 | @@ -43,7 +43,7 @@ | |
239 | ||
240 | struct ssh_digest_ctx { | |
241 | int alg; | |
242 | - EVP_MD_CTX mdctx; | |
243 | + EVP_MD_CTX *mdctx; | |
244 | }; | |
245 | ||
246 | struct ssh_digest { | |
247 | @@ -106,20 +106,21 @@ | |
248 | size_t | |
249 | ssh_digest_blocksize(struct ssh_digest_ctx *ctx) | |
250 | { | |
251 | - return EVP_MD_CTX_block_size(&ctx->mdctx); | |
252 | + return EVP_MD_CTX_block_size(ctx->mdctx); | |
253 | } | |
254 | ||
255 | struct ssh_digest_ctx * | |
256 | ssh_digest_start(int alg) | |
257 | { | |
258 | const struct ssh_digest *digest = ssh_digest_by_alg(alg); | |
259 | - struct ssh_digest_ctx *ret; | |
260 | + struct ssh_digest_ctx *ret = NULL; | |
261 | ||
262 | if (digest == NULL || ((ret = calloc(1, sizeof(*ret))) == NULL)) | |
263 | return NULL; | |
264 | ret->alg = alg; | |
265 | - EVP_MD_CTX_init(&ret->mdctx); | |
266 | - if (EVP_DigestInit_ex(&ret->mdctx, digest->mdfunc(), NULL) != 1) { | |
267 | + if ((ret->mdctx = EVP_MD_CTX_new()) == NULL || | |
268 | + EVP_DigestInit_ex(ret->mdctx, digest->mdfunc(), NULL) != 1) { | |
269 | + EVP_MD_CTX_free(ret->mdctx); | |
270 | free(ret); | |
271 | return NULL; | |
272 | } | |
273 | @@ -132,7 +133,7 @@ | |
274 | if (from->alg != to->alg) | |
275 | return SSH_ERR_INVALID_ARGUMENT; | |
276 | /* we have bcopy-style order while openssl has memcpy-style */ | |
277 | - if (!EVP_MD_CTX_copy_ex(&to->mdctx, &from->mdctx)) | |
278 | + if (!EVP_MD_CTX_copy_ex(to->mdctx, from->mdctx)) | |
279 | return SSH_ERR_LIBCRYPTO_ERROR; | |
280 | return 0; | |
281 | } | |
282 | @@ -140,7 +141,7 @@ | |
283 | int | |
284 | ssh_digest_update(struct ssh_digest_ctx *ctx, const void *m, size_t mlen) | |
285 | { | |
286 | - if (EVP_DigestUpdate(&ctx->mdctx, m, mlen) != 1) | |
287 | + if (EVP_DigestUpdate(ctx->mdctx, m, mlen) != 1) | |
288 | return SSH_ERR_LIBCRYPTO_ERROR; | |
289 | return 0; | |
290 | } | |
291 | @@ -161,7 +162,7 @@ | |
292 | return SSH_ERR_INVALID_ARGUMENT; | |
293 | if (dlen < digest->digest_len) /* No truncation allowed */ | |
294 | return SSH_ERR_INVALID_ARGUMENT; | |
295 | - if (EVP_DigestFinal_ex(&ctx->mdctx, d, &l) != 1) | |
296 | + if (EVP_DigestFinal_ex(ctx->mdctx, d, &l) != 1) | |
297 | return SSH_ERR_LIBCRYPTO_ERROR; | |
298 | if (l != digest->digest_len) /* sanity */ | |
299 | return SSH_ERR_INTERNAL_ERROR; | |
300 | @@ -172,7 +173,7 @@ | |
301 | ssh_digest_free(struct ssh_digest_ctx *ctx) | |
302 | { | |
303 | if (ctx != NULL) { | |
304 | - EVP_MD_CTX_cleanup(&ctx->mdctx); | |
305 | + EVP_MD_CTX_free(ctx->mdctx); | |
306 | explicit_bzero(ctx, sizeof(*ctx)); | |
307 | free(ctx); | |
308 | } | |
309 | diff -Naur old/kexdhc.c new/kexdhc.c | |
310 | --- old/kexdhc.c 2017-10-03 21:49:05.373829169 -1000 | |
311 | +++ new/kexdhc.c 2017-10-03 21:55:50.869718862 -1000 | |
312 | @@ -81,11 +81,16 @@ | |
313 | goto out; | |
314 | } | |
315 | debug("sending SSH2_MSG_KEXDH_INIT"); | |
316 | - if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0 || | |
317 | - (r = sshpkt_start(ssh, SSH2_MSG_KEXDH_INIT)) != 0 || | |
318 | - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || | |
319 | + { | |
320 | + const BIGNUM *pub_key; | |
321 | + if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0) | |
322 | + goto out; | |
323 | + DH_get0_key(kex->dh, &pub_key, NULL); | |
324 | + if ((r = sshpkt_start(ssh, SSH2_MSG_KEXDH_INIT)) != 0 || | |
325 | + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || | |
326 | (r = sshpkt_send(ssh)) != 0) | |
327 | goto out; | |
328 | + } | |
329 | #ifdef DEBUG_KEXDH | |
330 | DHparams_print_fp(stderr, kex->dh); | |
331 | fprintf(stderr, "pub= "); | |
332 | @@ -169,6 +174,9 @@ | |
333 | ||
334 | /* calc and verify H */ | |
335 | hashlen = sizeof(hash); | |
336 | + { | |
337 | + const BIGNUM *pub_key; | |
338 | + DH_get0_key(kex->dh, &pub_key, NULL); | |
339 | if ((r = kex_dh_hash( | |
340 | kex->hash_alg, | |
341 | kex->client_version_string, | |
342 | @@ -176,11 +184,13 @@ | |
343 | sshbuf_ptr(kex->my), sshbuf_len(kex->my), | |
344 | sshbuf_ptr(kex->peer), sshbuf_len(kex->peer), | |
345 | server_host_key_blob, sbloblen, | |
346 | - kex->dh->pub_key, | |
347 | + pub_key, | |
348 | dh_server_pub, | |
349 | shared_secret, | |
350 | - hash, &hashlen)) != 0) | |
351 | + hash, &hashlen)) != 0) { | |
352 | goto out; | |
353 | + } | |
354 | + } | |
355 | ||
356 | if ((r = sshkey_verify(server_host_key, signature, slen, hash, hashlen, | |
357 | ssh->compat)) != 0) | |
358 | diff -Naur old/kexdhs.c new/kexdhs.c | |
359 | --- old/kexdhs.c 2017-10-03 21:49:05.373829169 -1000 | |
360 | +++ new/kexdhs.c 2017-10-03 21:55:50.869718862 -1000 | |
361 | @@ -87,6 +87,10 @@ | |
362 | ssh_dispatch_set(ssh, SSH2_MSG_KEXDH_INIT, &input_kex_dh_init); | |
363 | r = 0; | |
364 | out: | |
365 | + if (r != 0) { | |
366 | + if (kex->dh) DH_free(kex->dh); | |
367 | + kex->dh = NULL; | |
368 | + } | |
369 | return r; | |
370 | } | |
371 | ||
372 | @@ -163,6 +167,9 @@ | |
373 | goto out; | |
374 | /* calc H */ | |
375 | hashlen = sizeof(hash); | |
376 | + { | |
377 | + const BIGNUM *pub_key; | |
378 | + DH_get0_key(kex->dh, &pub_key, NULL); | |
379 | if ((r = kex_dh_hash( | |
380 | kex->hash_alg, | |
381 | kex->client_version_string, | |
382 | @@ -171,10 +178,12 @@ | |
383 | sshbuf_ptr(kex->my), sshbuf_len(kex->my), | |
384 | server_host_key_blob, sbloblen, | |
385 | dh_client_pub, | |
386 | - kex->dh->pub_key, | |
387 | + pub_key, | |
388 | shared_secret, | |
389 | - hash, &hashlen)) != 0) | |
390 | + hash, &hashlen)) != 0) { | |
391 | goto out; | |
392 | + } | |
393 | + } | |
394 | ||
395 | /* save session id := H */ | |
396 | if (kex->session_id == NULL) { | |
397 | @@ -195,12 +204,17 @@ | |
398 | /* destroy_sensitive_data(); */ | |
399 | ||
400 | /* send server hostkey, DH pubkey 'f' and singed H */ | |
401 | + { | |
402 | + const BIGNUM *pub_key; | |
403 | + DH_get0_key(kex->dh, &pub_key, NULL); | |
404 | if ((r = sshpkt_start(ssh, SSH2_MSG_KEXDH_REPLY)) != 0 || | |
405 | (r = sshpkt_put_string(ssh, server_host_key_blob, sbloblen)) != 0 || | |
406 | - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || /* f */ | |
407 | + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || /* f */ | |
408 | (r = sshpkt_put_string(ssh, signature, slen)) != 0 || | |
409 | - (r = sshpkt_send(ssh)) != 0) | |
410 | + (r = sshpkt_send(ssh)) != 0) { | |
411 | goto out; | |
412 | + } | |
413 | + } | |
414 | ||
415 | if ((r = kex_derive_keys_bn(ssh, hash, hashlen, shared_secret)) == 0) | |
416 | r = kex_send_newkeys(ssh); | |
417 | diff -Naur old/kexgexc.c new/kexgexc.c | |
418 | --- old/kexgexc.c 2017-10-03 21:49:05.373829169 -1000 | |
419 | +++ new/kexgexc.c 2017-10-03 21:55:50.869718862 -1000 | |
420 | @@ -118,11 +118,17 @@ | |
421 | p = g = NULL; /* belong to kex->dh now */ | |
422 | ||
423 | /* generate and send 'e', client DH public key */ | |
424 | - if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0 || | |
425 | - (r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_INIT)) != 0 || | |
426 | - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || | |
427 | - (r = sshpkt_send(ssh)) != 0) | |
428 | + { | |
429 | + const BIGNUM *pub_key; | |
430 | + if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0) | |
431 | + goto out; | |
432 | + DH_get0_key(kex->dh, &pub_key, NULL); | |
433 | + if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_INIT)) != 0 || | |
434 | + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || | |
435 | + (r = sshpkt_send(ssh)) != 0) { | |
436 | goto out; | |
437 | + } | |
438 | + } | |
439 | debug("SSH2_MSG_KEX_DH_GEX_INIT sent"); | |
440 | #ifdef DEBUG_KEXDH | |
441 | DHparams_print_fp(stderr, kex->dh); | |
442 | @@ -134,10 +140,12 @@ | |
443 | ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_REPLY, &input_kex_dh_gex_reply); | |
444 | r = 0; | |
445 | out: | |
446 | - if (p) | |
447 | + if (r != 0) { | |
448 | BN_clear_free(p); | |
449 | - if (g) | |
450 | BN_clear_free(g); | |
451 | + DH_free(kex->dh); | |
452 | + kex->dh = NULL; | |
453 | + } | |
454 | return r; | |
455 | } | |
456 | ||
457 | @@ -214,6 +222,10 @@ | |
458 | ||
459 | /* calc and verify H */ | |
460 | hashlen = sizeof(hash); | |
461 | + { | |
462 | + const BIGNUM *p, *g, *pub_key; | |
463 | + DH_get0_pqg(kex->dh, &p, NULL, &g); | |
464 | + DH_get0_key(kex->dh, &pub_key, NULL); | |
465 | if ((r = kexgex_hash( | |
466 | kex->hash_alg, | |
467 | kex->client_version_string, | |
468 | @@ -222,12 +234,14 @@ | |
469 | sshbuf_ptr(kex->peer), sshbuf_len(kex->peer), | |
470 | server_host_key_blob, sbloblen, | |
471 | kex->min, kex->nbits, kex->max, | |
472 | - kex->dh->p, kex->dh->g, | |
473 | - kex->dh->pub_key, | |
474 | + p, g, | |
475 | + pub_key, | |
476 | dh_server_pub, | |
477 | shared_secret, | |
478 | - hash, &hashlen)) != 0) | |
479 | + hash, &hashlen)) != 0) { | |
480 | goto out; | |
481 | + } | |
482 | + } | |
483 | ||
484 | if ((r = sshkey_verify(server_host_key, signature, slen, hash, | |
485 | hashlen, ssh->compat)) != 0) | |
486 | diff -Naur old/kexgexs.c new/kexgexs.c | |
487 | --- old/kexgexs.c 2017-10-03 21:49:05.373829169 -1000 | |
488 | +++ new/kexgexs.c 2017-10-03 21:55:50.869718862 -1000 | |
489 | @@ -101,11 +101,16 @@ | |
490 | goto out; | |
491 | } | |
492 | debug("SSH2_MSG_KEX_DH_GEX_GROUP sent"); | |
493 | + { | |
494 | + const BIGNUM *p, *g; | |
495 | + DH_get0_pqg(kex->dh, &p, NULL, &g); | |
496 | if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_GROUP)) != 0 || | |
497 | - (r = sshpkt_put_bignum2(ssh, kex->dh->p)) != 0 || | |
498 | - (r = sshpkt_put_bignum2(ssh, kex->dh->g)) != 0 || | |
499 | - (r = sshpkt_send(ssh)) != 0) | |
500 | + (r = sshpkt_put_bignum2(ssh, p)) != 0 || | |
501 | + (r = sshpkt_put_bignum2(ssh, g)) != 0 || | |
502 | + (r = sshpkt_send(ssh)) != 0) { | |
503 | goto out; | |
504 | + } | |
505 | + } | |
506 | ||
507 | /* Compute our exchange value in parallel with the client */ | |
508 | if ((r = dh_gen_key(kex->dh, kex->we_need * 8)) != 0) | |
509 | @@ -115,6 +120,10 @@ | |
510 | ssh_dispatch_set(ssh, SSH2_MSG_KEX_DH_GEX_INIT, &input_kex_dh_gex_init); | |
511 | r = 0; | |
512 | out: | |
513 | + if (r != 0) { | |
514 | + DH_free(kex->dh); | |
515 | + kex->dh = NULL; | |
516 | + } | |
517 | return r; | |
518 | } | |
519 | ||
520 | @@ -191,6 +200,10 @@ | |
521 | goto out; | |
522 | /* calc H */ | |
523 | hashlen = sizeof(hash); | |
524 | + { | |
525 | + const BIGNUM *p, *g, *pub_key; | |
526 | + DH_get0_pqg(kex->dh, &p, NULL, &g); | |
527 | + DH_get0_key(kex->dh, &pub_key, NULL); | |
528 | if ((r = kexgex_hash( | |
529 | kex->hash_alg, | |
530 | kex->client_version_string, | |
531 | @@ -199,12 +212,14 @@ | |
532 | sshbuf_ptr(kex->my), sshbuf_len(kex->my), | |
533 | server_host_key_blob, sbloblen, | |
534 | kex->min, kex->nbits, kex->max, | |
535 | - kex->dh->p, kex->dh->g, | |
536 | + p, g, | |
537 | dh_client_pub, | |
538 | - kex->dh->pub_key, | |
539 | + pub_key, | |
540 | shared_secret, | |
541 | - hash, &hashlen)) != 0) | |
542 | + hash, &hashlen)) != 0) { | |
543 | goto out; | |
544 | + } | |
545 | + } | |
546 | ||
547 | /* save session id := H */ | |
548 | if (kex->session_id == NULL) { | |
549 | @@ -225,12 +240,17 @@ | |
550 | /* destroy_sensitive_data(); */ | |
551 | ||
552 | /* send server hostkey, DH pubkey 'f' and singed H */ | |
553 | + { | |
554 | + const BIGNUM *pub_key; | |
555 | + DH_get0_key(kex->dh, &pub_key, NULL); | |
556 | if ((r = sshpkt_start(ssh, SSH2_MSG_KEX_DH_GEX_REPLY)) != 0 || | |
557 | (r = sshpkt_put_string(ssh, server_host_key_blob, sbloblen)) != 0 || | |
558 | - (r = sshpkt_put_bignum2(ssh, kex->dh->pub_key)) != 0 || /* f */ | |
559 | + (r = sshpkt_put_bignum2(ssh, pub_key)) != 0 || /* f */ | |
560 | (r = sshpkt_put_string(ssh, signature, slen)) != 0 || | |
561 | - (r = sshpkt_send(ssh)) != 0) | |
562 | + (r = sshpkt_send(ssh)) != 0) { | |
563 | goto out; | |
564 | + } | |
565 | + } | |
566 | ||
567 | if ((r = kex_derive_keys_bn(ssh, hash, hashlen, shared_secret)) == 0) | |
568 | r = kex_send_newkeys(ssh); | |
569 | diff -Naur old/monitor.c new/monitor.c | |
570 | --- old/monitor.c 2017-10-03 21:49:05.377162302 -1000 | |
571 | +++ new/monitor.c 2017-10-03 21:55:50.869718862 -1000 | |
572 | @@ -586,10 +586,12 @@ | |
573 | buffer_put_char(m, 0); | |
574 | return (0); | |
575 | } else { | |
576 | + const BIGNUM *p, *g; | |
577 | + DH_get0_pqg(dh, &p, NULL, &g); | |
578 | /* Send first bignum */ | |
579 | buffer_put_char(m, 1); | |
580 | - buffer_put_bignum2(m, dh->p); | |
581 | - buffer_put_bignum2(m, dh->g); | |
582 | + buffer_put_bignum2(m, p); | |
583 | + buffer_put_bignum2(m, g); | |
584 | ||
585 | DH_free(dh); | |
586 | } | |
587 | diff -Naur old/openbsd-compat/openssl-compat.c new/openbsd-compat/openssl-compat.c | |
588 | --- old/openbsd-compat/openssl-compat.c 2017-10-03 21:49:05.397161097 -1000 | |
589 | +++ new/openbsd-compat/openssl-compat.c 2017-10-03 21:55:50.886387486 -1000 | |
590 | @@ -75,7 +75,6 @@ | |
591 | /* Enable use of crypto hardware */ | |
592 | ENGINE_load_builtin_engines(); | |
593 | ENGINE_register_all_complete(); | |
594 | - OPENSSL_config(NULL); | |
595 | } | |
596 | #endif | |
597 | ||
598 | diff -Naur old/regress/unittests/sshkey/test_file.c new/regress/unittests/sshkey/test_file.c | |
599 | --- old/regress/unittests/sshkey/test_file.c 2017-10-03 21:49:05.387161699 -1000 | |
600 | +++ new/regress/unittests/sshkey/test_file.c 2017-10-03 21:55:50.883053761 -1000 | |
601 | @@ -60,9 +60,14 @@ | |
602 | a = load_bignum("rsa_1.param.n"); | |
603 | b = load_bignum("rsa_1.param.p"); | |
604 | c = load_bignum("rsa_1.param.q"); | |
605 | - ASSERT_BIGNUM_EQ(k1->rsa->n, a); | |
606 | - ASSERT_BIGNUM_EQ(k1->rsa->p, b); | |
607 | - ASSERT_BIGNUM_EQ(k1->rsa->q, c); | |
608 | + { | |
609 | + const BIGNUM *n, *p, *q; | |
610 | + RSA_get0_key(k1->rsa, &n, NULL, NULL); | |
611 | + RSA_get0_factors(k1->rsa, &p, &q); | |
612 | + ASSERT_BIGNUM_EQ(n, a); | |
613 | + ASSERT_BIGNUM_EQ(p, b); | |
614 | + ASSERT_BIGNUM_EQ(q, c); | |
615 | + } | |
616 | BN_free(a); | |
617 | BN_free(b); | |
618 | BN_free(c); | |
619 | @@ -151,9 +156,14 @@ | |
620 | a = load_bignum("dsa_1.param.g"); | |
621 | b = load_bignum("dsa_1.param.priv"); | |
622 | c = load_bignum("dsa_1.param.pub"); | |
623 | - ASSERT_BIGNUM_EQ(k1->dsa->g, a); | |
624 | - ASSERT_BIGNUM_EQ(k1->dsa->priv_key, b); | |
625 | - ASSERT_BIGNUM_EQ(k1->dsa->pub_key, c); | |
626 | + { | |
627 | + const BIGNUM *g, *priv_key, *pub_key; | |
628 | + DSA_get0_pqg(k1->dsa, NULL, NULL, &g); | |
629 | + DSA_get0_key(k1->dsa, &pub_key, &priv_key); | |
630 | + ASSERT_BIGNUM_EQ(g, a); | |
631 | + ASSERT_BIGNUM_EQ(priv_key, b); | |
632 | + ASSERT_BIGNUM_EQ(pub_key, c); | |
633 | + } | |
634 | BN_free(a); | |
635 | BN_free(b); | |
636 | BN_free(c); | |
637 | diff -Naur old/regress/unittests/sshkey/test_sshkey.c new/regress/unittests/sshkey/test_sshkey.c | |
638 | --- old/regress/unittests/sshkey/test_sshkey.c 2017-10-03 21:49:05.387161699 -1000 | |
639 | +++ new/regress/unittests/sshkey/test_sshkey.c 2017-10-03 21:55:50.883053761 -1000 | |
640 | @@ -197,9 +197,14 @@ | |
641 | k1 = sshkey_new(KEY_RSA); | |
642 | ASSERT_PTR_NE(k1, NULL); | |
643 | ASSERT_PTR_NE(k1->rsa, NULL); | |
644 | - ASSERT_PTR_NE(k1->rsa->n, NULL); | |
645 | - ASSERT_PTR_NE(k1->rsa->e, NULL); | |
646 | - ASSERT_PTR_EQ(k1->rsa->p, NULL); | |
647 | + { | |
648 | + const BIGNUM *n, *e, *p; | |
649 | + RSA_get0_key(k1->rsa, &n, &e, NULL); | |
650 | + RSA_get0_factors(k1->rsa, &p, NULL); | |
651 | + ASSERT_PTR_NE(n, NULL); | |
652 | + ASSERT_PTR_NE(e, NULL); | |
653 | + ASSERT_PTR_EQ(p, NULL); | |
654 | + } | |
655 | sshkey_free(k1); | |
656 | TEST_DONE(); | |
657 | ||
658 | @@ -207,8 +212,13 @@ | |
659 | k1 = sshkey_new(KEY_DSA); | |
660 | ASSERT_PTR_NE(k1, NULL); | |
661 | ASSERT_PTR_NE(k1->dsa, NULL); | |
662 | - ASSERT_PTR_NE(k1->dsa->g, NULL); | |
663 | - ASSERT_PTR_EQ(k1->dsa->priv_key, NULL); | |
664 | + { | |
665 | + const BIGNUM *g, *priv_key; | |
666 | + DSA_get0_pqg(k1->dsa, NULL, NULL, &g); | |
667 | + DSA_get0_key(k1->dsa, NULL, &priv_key); | |
668 | + ASSERT_PTR_NE(g, NULL); | |
669 | + ASSERT_PTR_EQ(priv_key, NULL); | |
670 | + } | |
671 | sshkey_free(k1); | |
672 | TEST_DONE(); | |
673 | ||
674 | @@ -234,9 +244,14 @@ | |
675 | k1 = sshkey_new_private(KEY_RSA); | |
676 | ASSERT_PTR_NE(k1, NULL); | |
677 | ASSERT_PTR_NE(k1->rsa, NULL); | |
678 | - ASSERT_PTR_NE(k1->rsa->n, NULL); | |
679 | - ASSERT_PTR_NE(k1->rsa->e, NULL); | |
680 | - ASSERT_PTR_NE(k1->rsa->p, NULL); | |
681 | + { | |
682 | + const BIGNUM *n, *e, *p; | |
683 | + RSA_get0_key(k1->rsa, &n, &e, NULL); | |
684 | + RSA_get0_factors(k1->rsa, &p, NULL); | |
685 | + ASSERT_PTR_NE(n, NULL); | |
686 | + ASSERT_PTR_NE(e, NULL); | |
687 | + ASSERT_PTR_NE(p, NULL); | |
688 | + } | |
689 | ASSERT_INT_EQ(sshkey_add_private(k1), 0); | |
690 | sshkey_free(k1); | |
691 | TEST_DONE(); | |
692 | @@ -245,8 +260,13 @@ | |
693 | k1 = sshkey_new_private(KEY_DSA); | |
694 | ASSERT_PTR_NE(k1, NULL); | |
695 | ASSERT_PTR_NE(k1->dsa, NULL); | |
696 | - ASSERT_PTR_NE(k1->dsa->g, NULL); | |
697 | - ASSERT_PTR_NE(k1->dsa->priv_key, NULL); | |
698 | + { | |
699 | + const BIGNUM *g, *priv_key; | |
700 | + DSA_get0_pqg(k1->dsa, NULL, NULL, &g); | |
701 | + DSA_get0_key(k1->dsa, NULL, &priv_key); | |
702 | + ASSERT_PTR_NE(g, NULL); | |
703 | + ASSERT_PTR_NE(priv_key, NULL); | |
704 | + } | |
705 | ASSERT_INT_EQ(sshkey_add_private(k1), 0); | |
706 | sshkey_free(k1); | |
707 | TEST_DONE(); | |
708 | @@ -285,18 +305,28 @@ | |
709 | ASSERT_INT_EQ(sshkey_generate(KEY_RSA, 1024, &kr), 0); | |
710 | ASSERT_PTR_NE(kr, NULL); | |
711 | ASSERT_PTR_NE(kr->rsa, NULL); | |
712 | - ASSERT_PTR_NE(kr->rsa->n, NULL); | |
713 | - ASSERT_PTR_NE(kr->rsa->e, NULL); | |
714 | - ASSERT_PTR_NE(kr->rsa->p, NULL); | |
715 | - ASSERT_INT_EQ(BN_num_bits(kr->rsa->n), 1024); | |
716 | + { | |
717 | + const BIGNUM *n, *e, *p; | |
718 | + RSA_get0_key(kr->rsa, &n, &e, NULL); | |
719 | + RSA_get0_factors(kr->rsa, &p, NULL); | |
720 | + ASSERT_PTR_NE(n, NULL); | |
721 | + ASSERT_PTR_NE(e, NULL); | |
722 | + ASSERT_PTR_NE(p, NULL); | |
723 | + ASSERT_INT_EQ(BN_num_bits(n), 1024); | |
724 | + } | |
725 | TEST_DONE(); | |
726 | ||
727 | TEST_START("generate KEY_DSA"); | |
728 | ASSERT_INT_EQ(sshkey_generate(KEY_DSA, 1024, &kd), 0); | |
729 | ASSERT_PTR_NE(kd, NULL); | |
730 | ASSERT_PTR_NE(kd->dsa, NULL); | |
731 | - ASSERT_PTR_NE(kd->dsa->g, NULL); | |
732 | - ASSERT_PTR_NE(kd->dsa->priv_key, NULL); | |
733 | + { | |
734 | + const BIGNUM *g, *priv_key; | |
735 | + DSA_get0_pqg(kd->dsa, NULL, NULL, &g); | |
736 | + DSA_get0_key(kd->dsa, NULL, &priv_key); | |
737 | + ASSERT_PTR_NE(g, NULL); | |
738 | + ASSERT_PTR_NE(priv_key, NULL); | |
739 | + } | |
740 | TEST_DONE(); | |
741 | ||
742 | #ifdef OPENSSL_HAS_ECC | |
743 | @@ -323,9 +353,14 @@ | |
744 | ASSERT_PTR_NE(kr, k1); | |
745 | ASSERT_INT_EQ(k1->type, KEY_RSA); | |
746 | ASSERT_PTR_NE(k1->rsa, NULL); | |
747 | - ASSERT_PTR_NE(k1->rsa->n, NULL); | |
748 | - ASSERT_PTR_NE(k1->rsa->e, NULL); | |
749 | - ASSERT_PTR_EQ(k1->rsa->p, NULL); | |
750 | + { | |
751 | + const BIGNUM *n, *e, *p; | |
752 | + RSA_get0_key(k1->rsa, &n, &e, NULL); | |
753 | + RSA_get0_factors(k1->rsa, &p, NULL); | |
754 | + ASSERT_PTR_NE(n, NULL); | |
755 | + ASSERT_PTR_NE(e, NULL); | |
756 | + ASSERT_PTR_EQ(p, NULL); | |
757 | + } | |
758 | TEST_DONE(); | |
759 | ||
760 | TEST_START("equal KEY_RSA/demoted KEY_RSA"); | |
761 | @@ -339,8 +374,13 @@ | |
762 | ASSERT_PTR_NE(kd, k1); | |
763 | ASSERT_INT_EQ(k1->type, KEY_DSA); | |
764 | ASSERT_PTR_NE(k1->dsa, NULL); | |
765 | - ASSERT_PTR_NE(k1->dsa->g, NULL); | |
766 | - ASSERT_PTR_EQ(k1->dsa->priv_key, NULL); | |
767 | + { | |
768 | + const BIGNUM *g, *priv_key; | |
769 | + DSA_get0_pqg(k1->dsa, NULL, NULL, &g); | |
770 | + DSA_get0_key(k1->dsa, NULL, &priv_key); | |
771 | + ASSERT_PTR_NE(g, NULL); | |
772 | + ASSERT_PTR_EQ(priv_key, NULL); | |
773 | + } | |
774 | TEST_DONE(); | |
775 | ||
776 | TEST_START("equal KEY_DSA/demoted KEY_DSA"); | |
777 | diff -Naur old/ssh-dss.c new/ssh-dss.c | |
778 | --- old/ssh-dss.c 2017-10-03 21:49:05.403827361 -1000 | |
779 | +++ new/ssh-dss.c 2017-10-03 21:55:50.869718862 -1000 | |
780 | @@ -53,6 +53,7 @@ | |
781 | DSA_SIG *sig = NULL; | |
782 | u_char digest[SSH_DIGEST_MAX_LENGTH], sigblob[SIGBLOB_LEN]; | |
783 | size_t rlen, slen, len, dlen = ssh_digest_bytes(SSH_DIGEST_SHA1); | |
784 | + const BIGNUM *r, *s; | |
785 | struct sshbuf *b = NULL; | |
786 | int ret = SSH_ERR_INVALID_ARGUMENT; | |
787 | ||
788 | @@ -76,15 +77,16 @@ | |
789 | goto out; | |
790 | } | |
791 | ||
792 | - rlen = BN_num_bytes(sig->r); | |
793 | - slen = BN_num_bytes(sig->s); | |
794 | + DSA_SIG_get0(sig, &r, &s); | |
795 | + rlen = BN_num_bytes(r); | |
796 | + slen = BN_num_bytes(s); | |
797 | if (rlen > INTBLOB_LEN || slen > INTBLOB_LEN) { | |
798 | ret = SSH_ERR_INTERNAL_ERROR; | |
799 | goto out; | |
800 | } | |
801 | explicit_bzero(sigblob, SIGBLOB_LEN); | |
802 | - BN_bn2bin(sig->r, sigblob + SIGBLOB_LEN - INTBLOB_LEN - rlen); | |
803 | - BN_bn2bin(sig->s, sigblob + SIGBLOB_LEN - slen); | |
804 | + BN_bn2bin(r, sigblob + SIGBLOB_LEN - INTBLOB_LEN - rlen); | |
805 | + BN_bn2bin(s, sigblob + SIGBLOB_LEN - slen); | |
806 | ||
807 | if (compat & SSH_BUG_SIGBLOB) { | |
808 | if (sigp != NULL) { | |
809 | @@ -176,17 +178,26 @@ | |
810 | } | |
811 | ||
812 | /* parse signature */ | |
813 | + { | |
814 | + BIGNUM *r=NULL, *s=NULL; | |
815 | if ((sig = DSA_SIG_new()) == NULL || | |
816 | - (sig->r = BN_new()) == NULL || | |
817 | - (sig->s = BN_new()) == NULL) { | |
818 | + (r = BN_new()) == NULL || | |
819 | + (s = BN_new()) == NULL) { | |
820 | ret = SSH_ERR_ALLOC_FAIL; | |
821 | + BN_free(r); | |
822 | + BN_free(s); | |
823 | goto out; | |
824 | } | |
825 | - if ((BN_bin2bn(sigblob, INTBLOB_LEN, sig->r) == NULL) || | |
826 | - (BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, sig->s) == NULL)) { | |
827 | + if ((BN_bin2bn(sigblob, INTBLOB_LEN, r) == NULL) || | |
828 | + (BN_bin2bn(sigblob+ INTBLOB_LEN, INTBLOB_LEN, s) == NULL)) { | |
829 | ret = SSH_ERR_LIBCRYPTO_ERROR; | |
830 | + BN_free(r); | |
831 | + BN_free(s); | |
832 | goto out; | |
833 | } | |
834 | + DSA_SIG_set0(sig, r, s); | |
835 | + r = s = NULL; | |
836 | + } | |
837 | ||
838 | /* sha1 the data */ | |
839 | if ((ret = ssh_digest_memory(SSH_DIGEST_SHA1, data, datalen, | |
840 | diff -Naur old/ssh-ecdsa.c new/ssh-ecdsa.c | |
841 | --- old/ssh-ecdsa.c 2017-10-03 21:49:05.403827361 -1000 | |
842 | +++ new/ssh-ecdsa.c 2017-10-03 21:55:50.869718862 -1000 | |
843 | @@ -80,9 +80,14 @@ | |
844 | ret = SSH_ERR_ALLOC_FAIL; | |
845 | goto out; | |
846 | } | |
847 | - if ((ret = sshbuf_put_bignum2(bb, sig->r)) != 0 || | |
848 | - (ret = sshbuf_put_bignum2(bb, sig->s)) != 0) | |
849 | + { | |
850 | + const BIGNUM *r, *s; | |
851 | + ECDSA_SIG_get0(sig, &r, &s); | |
852 | + if ((ret = sshbuf_put_bignum2(bb, r)) != 0 || | |
853 | + (ret = sshbuf_put_bignum2(bb, s)) != 0) { | |
854 | goto out; | |
855 | + } | |
856 | + } | |
857 | if ((ret = sshbuf_put_cstring(b, sshkey_ssh_name_plain(key))) != 0 || | |
858 | (ret = sshbuf_put_stringb(b, bb)) != 0) | |
859 | goto out; | |
860 | @@ -151,11 +156,27 @@ | |
861 | ret = SSH_ERR_ALLOC_FAIL; | |
862 | goto out; | |
863 | } | |
864 | - if (sshbuf_get_bignum2(sigbuf, sig->r) != 0 || | |
865 | - sshbuf_get_bignum2(sigbuf, sig->s) != 0) { | |
866 | + { | |
867 | + BIGNUM *r=NULL, *s=NULL; | |
868 | + if ((r = BN_new()) == NULL || | |
869 | + (s = BN_new()) == NULL) { | |
870 | + ret = SSH_ERR_ALLOC_FAIL; | |
871 | + goto out_rs; | |
872 | + } | |
873 | + if (sshbuf_get_bignum2(sigbuf, r) != 0 || | |
874 | + sshbuf_get_bignum2(sigbuf, s) != 0) { | |
875 | ret = SSH_ERR_INVALID_FORMAT; | |
876 | + goto out_rs; | |
877 | + } | |
878 | + if (ECDSA_SIG_set0(sig, r, s) == 0) { | |
879 | + ret = SSH_ERR_LIBCRYPTO_ERROR; | |
880 | +out_rs: | |
881 | + BN_free(r); | |
882 | + BN_free(s); | |
883 | goto out; | |
884 | } | |
885 | + r = s = NULL; | |
886 | + } | |
887 | if (sshbuf_len(sigbuf) != 0) { | |
888 | ret = SSH_ERR_UNEXPECTED_TRAILING_DATA; | |
889 | goto out; | |
890 | diff -Naur old/ssh-keygen.c new/ssh-keygen.c | |
891 | --- old/ssh-keygen.c 2017-10-03 21:49:05.403827361 -1000 | |
892 | +++ new/ssh-keygen.c 2017-10-03 21:55:50.869718862 -1000 | |
893 | @@ -496,11 +496,33 @@ | |
894 | ||
895 | switch (key->type) { | |
896 | case KEY_DSA: | |
897 | - buffer_get_bignum_bits(b, key->dsa->p); | |
898 | - buffer_get_bignum_bits(b, key->dsa->g); | |
899 | - buffer_get_bignum_bits(b, key->dsa->q); | |
900 | - buffer_get_bignum_bits(b, key->dsa->pub_key); | |
901 | - buffer_get_bignum_bits(b, key->dsa->priv_key); | |
902 | + { | |
903 | + BIGNUM *p=NULL, *g=NULL, *q=NULL, *pub_key=NULL, *priv_key=NULL; | |
904 | + if ((p=BN_new()) == NULL || | |
905 | + (g=BN_new()) == NULL || | |
906 | + (q=BN_new()) == NULL || | |
907 | + (pub_key=BN_new()) == NULL || | |
908 | + (priv_key=BN_new()) == NULL) { | |
909 | + BN_free(p); | |
910 | + BN_free(g); | |
911 | + BN_free(q); | |
912 | + BN_free(pub_key); | |
913 | + BN_free(priv_key); | |
914 | + return NULL; | |
915 | + } | |
916 | + buffer_get_bignum_bits(b, p); | |
917 | + buffer_get_bignum_bits(b, g); | |
918 | + buffer_get_bignum_bits(b, q); | |
919 | + buffer_get_bignum_bits(b, pub_key); | |
920 | + buffer_get_bignum_bits(b, priv_key); | |
921 | + if (DSA_set0_pqg(key->dsa, p, q, g) == 0 || | |
922 | + DSA_set0_key(key->dsa, pub_key, priv_key) == 0) { | |
923 | + fatal("failed to set DSA key"); | |
924 | + BN_free(p); BN_free(g); BN_free(q); | |
925 | + BN_free(pub_key); BN_free(priv_key); | |
926 | + return NULL; | |
927 | + } | |
928 | + } | |
929 | break; | |
930 | case KEY_RSA: | |
931 | if ((r = sshbuf_get_u8(b, &e1)) != 0 || | |
932 | @@ -517,16 +539,52 @@ | |
933 | e += e3; | |
934 | debug("e %lx", e); | |
935 | } | |
936 | - if (!BN_set_word(key->rsa->e, e)) { | |
937 | + { | |
938 | + BIGNUM *rsa_e = NULL; | |
939 | + BIGNUM *d=NULL, *n=NULL, *iqmp=NULL, *q=NULL, *p=NULL; | |
940 | + BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy input to set in RSA_set0_crt_params */ | |
941 | + rsa_e = BN_new(); | |
942 | + if (!rsa_e || !BN_set_word(rsa_e, e)) { | |
943 | + if (rsa_e) BN_free(rsa_e); | |
944 | sshbuf_free(b); | |
945 | sshkey_free(key); | |
946 | return NULL; | |
947 | } | |
948 | - buffer_get_bignum_bits(b, key->rsa->d); | |
949 | - buffer_get_bignum_bits(b, key->rsa->n); | |
950 | - buffer_get_bignum_bits(b, key->rsa->iqmp); | |
951 | - buffer_get_bignum_bits(b, key->rsa->q); | |
952 | - buffer_get_bignum_bits(b, key->rsa->p); | |
953 | + if ((d=BN_new()) == NULL || | |
954 | + (n=BN_new()) == NULL || | |
955 | + (iqmp=BN_new()) == NULL || | |
956 | + (q=BN_new()) == NULL || | |
957 | + (p=BN_new()) == NULL || | |
958 | + (dmp1=BN_new()) == NULL || | |
959 | + (dmq1=BN_new()) == NULL) { | |
960 | + BN_free(d); BN_free(n); BN_free(iqmp); | |
961 | + BN_free(q); BN_free(p); | |
962 | + BN_free(dmp1); BN_free(dmq1); | |
963 | + return NULL; | |
964 | + } | |
965 | + BN_clear(dmp1); BN_clear(dmq1); | |
966 | + buffer_get_bignum_bits(b, d); | |
967 | + buffer_get_bignum_bits(b, n); | |
968 | + buffer_get_bignum_bits(b, iqmp); | |
969 | + buffer_get_bignum_bits(b, q); | |
970 | + buffer_get_bignum_bits(b, p); | |
971 | + if (RSA_set0_key(key->rsa, n, rsa_e, d) == 0) | |
972 | + goto null; | |
973 | + n = d = NULL; | |
974 | + if (RSA_set0_factors(key->rsa, p, q) == 0) | |
975 | + goto null; | |
976 | + p = q = NULL; | |
977 | + /* dmp1, dmq1 should not be NULL for initial set0 */ | |
978 | + if (RSA_set0_crt_params(key->rsa, dmp1, dmq1, iqmp) == 0) { | |
979 | + null: | |
980 | + fatal("Failed to set RSA parameters"); | |
981 | + BN_free(d); BN_free(n); BN_free(iqmp); | |
982 | + BN_free(q); BN_free(p); | |
983 | + BN_free(dmp1); BN_free(dmq1); | |
984 | + return NULL; | |
985 | + } | |
986 | + dmp1 = dmq1 = iqmp = NULL; | |
987 | + } | |
988 | if ((r = ssh_rsa_generate_additional_parameters(key)) != 0) | |
989 | fatal("generate RSA parameters failed: %s", ssh_err(r)); | |
990 | break; | |
991 | @@ -636,7 +694,7 @@ | |
992 | identity_file); | |
993 | } | |
994 | fclose(fp); | |
995 | - switch (EVP_PKEY_type(pubkey->type)) { | |
996 | + switch (EVP_PKEY_type(EVP_PKEY_id(pubkey))) { | |
997 | case EVP_PKEY_RSA: | |
998 | if ((*k = sshkey_new(KEY_UNSPEC)) == NULL) | |
999 | fatal("sshkey_new failed"); | |
1000 | @@ -660,7 +718,7 @@ | |
1001 | #endif | |
1002 | default: | |
1003 | fatal("%s: unsupported pubkey type %d", __func__, | |
1004 | - EVP_PKEY_type(pubkey->type)); | |
1005 | + EVP_PKEY_type(EVP_PKEY_id(pubkey))); | |
1006 | } | |
1007 | EVP_PKEY_free(pubkey); | |
1008 | return; | |
1009 | diff -Naur old/ssh-pkcs11-client.c new/ssh-pkcs11-client.c | |
1010 | --- old/ssh-pkcs11-client.c 2017-10-03 21:49:05.403827361 -1000 | |
1011 | +++ new/ssh-pkcs11-client.c 2017-10-03 21:55:50.869718862 -1000 | |
1012 | @@ -143,12 +143,13 @@ | |
1013 | static int | |
1014 | wrap_key(RSA *rsa) | |
1015 | { | |
1016 | - static RSA_METHOD helper_rsa; | |
1017 | + static RSA_METHOD *helper_rsa; | |
1018 | ||
1019 | - memcpy(&helper_rsa, RSA_get_default_method(), sizeof(helper_rsa)); | |
1020 | - helper_rsa.name = "ssh-pkcs11-helper"; | |
1021 | - helper_rsa.rsa_priv_enc = pkcs11_rsa_private_encrypt; | |
1022 | - RSA_set_method(rsa, &helper_rsa); | |
1023 | + if ((helper_rsa = RSA_meth_dup(RSA_get_default_method())) == NULL) | |
1024 | + return (-1); /* XXX but caller isn't checking */ | |
1025 | + RSA_meth_set1_name(helper_rsa, "ssh-pkcs11-helper"); | |
1026 | + RSA_meth_set_priv_enc(helper_rsa, pkcs11_rsa_private_encrypt); | |
1027 | + RSA_set_method(rsa, helper_rsa); | |
1028 | return (0); | |
1029 | } | |
1030 | ||
1031 | diff -Naur old/ssh-pkcs11.c new/ssh-pkcs11.c | |
1032 | --- old/ssh-pkcs11.c 2017-10-03 21:49:05.403827361 -1000 | |
1033 | +++ new/ssh-pkcs11.c 2017-10-03 21:55:50.869718862 -1000 | |
1034 | @@ -67,7 +67,7 @@ | |
1035 | struct pkcs11_provider *provider; | |
1036 | CK_ULONG slotidx; | |
1037 | int (*orig_finish)(RSA *rsa); | |
1038 | - RSA_METHOD rsa_method; | |
1039 | + RSA_METHOD *rsa_method; | |
1040 | char *keyid; | |
1041 | int keyid_len; | |
1042 | }; | |
1043 | @@ -326,13 +326,15 @@ | |
1044 | k11->keyid = xmalloc(k11->keyid_len); | |
1045 | memcpy(k11->keyid, keyid_attrib->pValue, k11->keyid_len); | |
1046 | } | |
1047 | - k11->orig_finish = def->finish; | |
1048 | - memcpy(&k11->rsa_method, def, sizeof(k11->rsa_method)); | |
1049 | - k11->rsa_method.name = "pkcs11"; | |
1050 | - k11->rsa_method.rsa_priv_enc = pkcs11_rsa_private_encrypt; | |
1051 | - k11->rsa_method.rsa_priv_dec = pkcs11_rsa_private_decrypt; | |
1052 | - k11->rsa_method.finish = pkcs11_rsa_finish; | |
1053 | - RSA_set_method(rsa, &k11->rsa_method); | |
1054 | + k11->orig_finish = RSA_meth_get_finish(def); | |
1055 | + | |
1056 | + if ((k11->rsa_method = RSA_meth_new("pkcs11", RSA_meth_get_flags(def))) == NULL) | |
1057 | + return -1; | |
1058 | + RSA_meth_set_priv_enc(k11->rsa_method, pkcs11_rsa_private_encrypt); | |
1059 | + RSA_meth_set_priv_dec(k11->rsa_method, pkcs11_rsa_private_decrypt); | |
1060 | + RSA_meth_set_finish(k11->rsa_method, pkcs11_rsa_finish); | |
1061 | + | |
1062 | + RSA_set_method(rsa, k11->rsa_method); | |
1063 | RSA_set_app_data(rsa, k11); | |
1064 | return (0); | |
1065 | } | |
1066 | @@ -512,10 +514,19 @@ | |
1067 | if ((rsa = RSA_new()) == NULL) { | |
1068 | error("RSA_new failed"); | |
1069 | } else { | |
1070 | - rsa->n = BN_bin2bn(attribs[1].pValue, | |
1071 | - attribs[1].ulValueLen, NULL); | |
1072 | - rsa->e = BN_bin2bn(attribs[2].pValue, | |
1073 | - attribs[2].ulValueLen, NULL); | |
1074 | + BIGNUM *n=NULL, *e=NULL; | |
1075 | + n = BN_new(); | |
1076 | + e = BN_new(); | |
1077 | + if (n == NULL || e == NULL) | |
1078 | + error("BN_new alloc failed"); | |
1079 | + if (BN_bin2bn(attribs[1].pValue, | |
1080 | + attribs[1].ulValueLen, n) == NULL || | |
1081 | + BN_bin2bn(attribs[2].pValue, | |
1082 | + attribs[2].ulValueLen, e) == NULL) | |
1083 | + error("BN_bin2bn failed"); | |
1084 | + if (RSA_set0_key(rsa, n, e, NULL) == 0) | |
1085 | + error("RSA_set0_key failed"); | |
1086 | + n = e = NULL; | |
1087 | } | |
1088 | } else { | |
1089 | cp = attribs[2].pValue; | |
1090 | @@ -525,17 +536,20 @@ | |
1091 | == NULL) { | |
1092 | error("d2i_X509 failed"); | |
1093 | } else if ((evp = X509_get_pubkey(x509)) == NULL || | |
1094 | - evp->type != EVP_PKEY_RSA || | |
1095 | - evp->pkey.rsa == NULL) { | |
1096 | + EVP_PKEY_id(evp) != EVP_PKEY_RSA || | |
1097 | + EVP_PKEY_get0_RSA(evp) == NULL) { | |
1098 | debug("X509_get_pubkey failed or no rsa"); | |
1099 | - } else if ((rsa = RSAPublicKey_dup(evp->pkey.rsa)) | |
1100 | + } else if ((rsa = RSAPublicKey_dup(EVP_PKEY_get0_RSA(evp))) | |
1101 | == NULL) { | |
1102 | error("RSAPublicKey_dup"); | |
1103 | } | |
1104 | if (x509) | |
1105 | X509_free(x509); | |
1106 | } | |
1107 | - if (rsa && rsa->n && rsa->e && | |
1108 | + { | |
1109 | + const BIGNUM *n, *e; | |
1110 | + RSA_get0_key(rsa, &n, &e, NULL); | |
1111 | + if (rsa && n && e && | |
1112 | pkcs11_rsa_wrap(p, slotidx, &attribs[0], rsa) == 0) { | |
1113 | if ((key = sshkey_new(KEY_UNSPEC)) == NULL) | |
1114 | fatal("sshkey_new failed"); | |
1115 | @@ -555,6 +569,7 @@ | |
1116 | } else if (rsa) { | |
1117 | RSA_free(rsa); | |
1118 | } | |
1119 | + } | |
1120 | for (i = 0; i < 3; i++) | |
1121 | free(attribs[i].pValue); | |
1122 | } | |
1123 | diff -Naur old/ssh-rsa.c new/ssh-rsa.c | |
1124 | --- old/ssh-rsa.c 2017-10-03 21:49:05.403827361 -1000 | |
1125 | +++ new/ssh-rsa.c 2017-10-03 22:06:32.005937158 -1000 | |
1126 | @@ -99,13 +99,27 @@ | |
1127 | } | |
1128 | rsa = key->rsa; | |
1129 | ||
1130 | - if ((BN_sub(aux, rsa->q, BN_value_one()) == 0) || | |
1131 | - (BN_mod(rsa->dmq1, rsa->d, aux, ctx) == 0) || | |
1132 | - (BN_sub(aux, rsa->p, BN_value_one()) == 0) || | |
1133 | - (BN_mod(rsa->dmp1, rsa->d, aux, ctx) == 0)) { | |
1134 | + { | |
1135 | + const BIGNUM *q, *d, *p; | |
1136 | + BIGNUM *dmq1=NULL, *dmp1=NULL; | |
1137 | + if ((dmq1 = BN_new()) == NULL || | |
1138 | + (dmp1 = BN_new()) == NULL ) { | |
1139 | + r = SSH_ERR_ALLOC_FAIL; | |
1140 | + goto out; | |
1141 | + } | |
1142 | + RSA_get0_key(rsa, NULL, NULL, &d); | |
1143 | + RSA_get0_factors(rsa, &p, &q); | |
1144 | + if ((BN_sub(aux, q, BN_value_one()) == 0) || | |
1145 | + (BN_mod(dmq1, d, aux, ctx) == 0) || | |
1146 | + (BN_sub(aux, p, BN_value_one()) == 0) || | |
1147 | + (BN_mod(dmp1, d, aux, ctx) == 0) || | |
1148 | + RSA_set0_crt_params(rsa, dmp1, dmq1, NULL) == 0) { | |
1149 | r = SSH_ERR_LIBCRYPTO_ERROR; | |
1150 | + BN_clear_free(dmp1); | |
1151 | + BN_clear_free(dmq1); | |
1152 | goto out; | |
1153 | } | |
1154 | + } | |
1155 | r = 0; | |
1156 | out: | |
1157 | BN_clear_free(aux); | |
1158 | @@ -136,7 +150,7 @@ | |
1159 | if (key == NULL || key->rsa == NULL || hash_alg == -1 || | |
1160 | sshkey_type_plain(key->type) != KEY_RSA) | |
1161 | return SSH_ERR_INVALID_ARGUMENT; | |
1162 | - if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) | |
1163 | + if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) | |
1164 | return SSH_ERR_KEY_LENGTH; | |
1165 | slen = RSA_size(key->rsa); | |
1166 | if (slen <= 0 || slen > SSHBUF_MAX_BIGNUM) | |
1167 | @@ -210,7 +224,7 @@ | |
1168 | sshkey_type_plain(key->type) != KEY_RSA || | |
1169 | sig == NULL || siglen == 0) | |
1170 | return SSH_ERR_INVALID_ARGUMENT; | |
1171 | - if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) | |
1172 | + if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) | |
1173 | return SSH_ERR_KEY_LENGTH; | |
1174 | ||
1175 | if ((b = sshbuf_from(sig, siglen)) == NULL) | |
1176 | diff -Naur old/sshkey.c new/sshkey.c | |
1177 | --- old/sshkey.c 2017-10-03 21:49:05.407160494 -1000 | |
1178 | +++ new/sshkey.c 2017-10-03 22:16:31.124964276 -1000 | |
1179 | @@ -264,10 +264,18 @@ | |
1180 | #ifdef WITH_OPENSSL | |
1181 | case KEY_RSA: | |
1182 | case KEY_RSA_CERT: | |
1183 | - return BN_num_bits(k->rsa->n); | |
1184 | +#if OPENSSL_VERSION_NUMBER >= 0x10100000UL | |
1185 | + return RSA_bits(k->rsa); | |
1186 | +#else | |
1187 | + return RSA_bits(key->rsa); | |
1188 | +#endif | |
1189 | case KEY_DSA: | |
1190 | case KEY_DSA_CERT: | |
1191 | +#if OPENSSL_VERSION_NUMBER >= 0x10100000UL | |
1192 | + return DSA_bits(k->dsa); | |
1193 | +#else | |
1194 | return BN_num_bits(k->dsa->p); | |
1195 | +#endif | |
1196 | case KEY_ECDSA: | |
1197 | case KEY_ECDSA_CERT: | |
1198 | return sshkey_curve_nid_to_bits(k->ecdsa_nid); | |
1199 | @@ -466,28 +474,55 @@ | |
1200 | #ifdef WITH_OPENSSL | |
1201 | case KEY_RSA: | |
1202 | case KEY_RSA_CERT: | |
1203 | + { | |
1204 | + BIGNUM *n=NULL, *e=NULL; /* just allocate */ | |
1205 | if ((rsa = RSA_new()) == NULL || | |
1206 | - (rsa->n = BN_new()) == NULL || | |
1207 | - (rsa->e = BN_new()) == NULL) { | |
1208 | + (n = BN_new()) == NULL || | |
1209 | + (e = BN_new()) == NULL) { | |
1210 | + BN_free(n); | |
1211 | + BN_free(e); | |
1212 | if (rsa != NULL) | |
1213 | RSA_free(rsa); | |
1214 | free(k); | |
1215 | return NULL; | |
1216 | } | |
1217 | + BN_clear(n); BN_clear(e); | |
1218 | + if (RSA_set0_key(rsa, n, e, NULL) == 0) | |
1219 | + return NULL; | |
1220 | + n = e = NULL; | |
1221 | + } | |
1222 | k->rsa = rsa; | |
1223 | break; | |
1224 | case KEY_DSA: | |
1225 | case KEY_DSA_CERT: | |
1226 | + { | |
1227 | + BIGNUM *p=NULL, *q=NULL, *g=NULL, *pubkey=NULL; /* just allocate */ | |
1228 | if ((dsa = DSA_new()) == NULL || | |
1229 | - (dsa->p = BN_new()) == NULL || | |
1230 | - (dsa->q = BN_new()) == NULL || | |
1231 | - (dsa->g = BN_new()) == NULL || | |
1232 | - (dsa->pub_key = BN_new()) == NULL) { | |
1233 | + (p = BN_new()) == NULL || | |
1234 | + (q = BN_new()) == NULL || | |
1235 | + (g = BN_new()) == NULL || | |
1236 | + (pubkey = BN_new()) == NULL) { | |
1237 | + BN_free(p); | |
1238 | + BN_free(q); | |
1239 | + BN_free(g); | |
1240 | + BN_free(pubkey); | |
1241 | if (dsa != NULL) | |
1242 | DSA_free(dsa); | |
1243 | free(k); | |
1244 | return NULL; | |
1245 | } | |
1246 | + if (DSA_set0_pqg(dsa, p, q, g) == 0) { | |
1247 | + BN_free(p); BN_free(q); BN_free(g); | |
1248 | + BN_free(pubkey); | |
1249 | + return NULL; | |
1250 | + } | |
1251 | + p = q = g = NULL; | |
1252 | + if (DSA_set0_key(dsa, pubkey, NULL) == 0) { | |
1253 | + BN_free(pubkey); | |
1254 | + return NULL; | |
1255 | + } | |
1256 | + pubkey = NULL; | |
1257 | + } | |
1258 | k->dsa = dsa; | |
1259 | break; | |
1260 | case KEY_ECDSA: | |
1261 | @@ -523,6 +558,51 @@ | |
1262 | #ifdef WITH_OPENSSL | |
1263 | case KEY_RSA: | |
1264 | case KEY_RSA_CERT: | |
1265 | +#if OPENSSL_VERSION_NUMBER >= 0x10100000UL | |
1266 | + /* Allocate BIGNUM. This is a mess. | |
1267 | + For OpenSSL 1.1.x API these shouldn't be mandatory, | |
1268 | + but some regression tests for non-NULL pointer of | |
1269 | + the data. */ | |
1270 | +#define new_or_dup(bn, nbn) \ | |
1271 | + if (bn == NULL) { \ | |
1272 | + if ((nbn = BN_new()) == NULL) \ | |
1273 | + return SSH_ERR_ALLOC_FAIL; \ | |
1274 | + } else { \ | |
1275 | + /* otherwise use-after-free will occur */ \ | |
1276 | + if ((nbn = BN_dup(bn)) == NULL) \ | |
1277 | + return SSH_ERR_ALLOC_FAIL; \ | |
1278 | + } | |
1279 | + { | |
1280 | + const BIGNUM *d, *iqmp, *q, *p, *dmq1, *dmp1; /* allocate if NULL */ | |
1281 | + BIGNUM *nd, *niqmp, *nq, *np, *ndmq1, *ndmp1; | |
1282 | + | |
1283 | + RSA_get0_key(k->rsa, NULL, NULL, &d); | |
1284 | + RSA_get0_factors(k->rsa, &p, &q); | |
1285 | + RSA_get0_crt_params(k->rsa, &dmp1, &dmq1, &iqmp); | |
1286 | + | |
1287 | + new_or_dup(d, nd); | |
1288 | + new_or_dup(iqmp, niqmp); | |
1289 | + new_or_dup(q, nq); | |
1290 | + new_or_dup(p, np); | |
1291 | + new_or_dup(dmq1, ndmq1); | |
1292 | + new_or_dup(dmp1, ndmp1); | |
1293 | + | |
1294 | + if (RSA_set0_key(k->rsa, NULL, NULL, nd) == 0) | |
1295 | + goto error1; | |
1296 | + nd = NULL; | |
1297 | + if (RSA_set0_factors(k->rsa, np, nq) == 0) | |
1298 | + goto error1; | |
1299 | + np = nq = NULL; | |
1300 | + if (RSA_set0_crt_params(k->rsa, ndmp1, ndmq1, niqmp) == 0) { | |
1301 | +error1: | |
1302 | + BN_free(nd); | |
1303 | + BN_free(np); BN_free(nq); | |
1304 | + BN_free(ndmp1); BN_free(ndmq1); BN_free(niqmp); | |
1305 | + return SSH_ERR_LIBCRYPTO_ERROR; | |
1306 | + } | |
1307 | + ndmp1 = ndmq1 = niqmp = NULL; | |
1308 | + } | |
1309 | +#else | |
1310 | #define bn_maybe_alloc_failed(p) (p == NULL && (p = BN_new()) == NULL) | |
1311 | if (bn_maybe_alloc_failed(k->rsa->d) || | |
1312 | bn_maybe_alloc_failed(k->rsa->iqmp) || | |
1313 | @@ -531,13 +611,28 @@ | |
1314 | bn_maybe_alloc_failed(k->rsa->dmq1) || | |
1315 | bn_maybe_alloc_failed(k->rsa->dmp1)) | |
1316 | return SSH_ERR_ALLOC_FAIL; | |
1317 | +#endif | |
1318 | break; | |
1319 | case KEY_DSA: | |
1320 | case KEY_DSA_CERT: | |
1321 | +#if OPENSSL_VERSION_NUMBER >= 0x10100000UL | |
1322 | + { | |
1323 | + const BIGNUM *priv_key; | |
1324 | + BIGNUM *npriv_key; | |
1325 | + DSA_get0_key(k->dsa, NULL, &priv_key); | |
1326 | + new_or_dup(priv_key, npriv_key); | |
1327 | + if (DSA_set0_key(k->dsa, NULL, npriv_key) == 0) { | |
1328 | + BN_free(npriv_key); | |
1329 | + return SSH_ERR_LIBCRYPTO_ERROR; | |
1330 | + } | |
1331 | + } | |
1332 | +#else | |
1333 | if (bn_maybe_alloc_failed(k->dsa->priv_key)) | |
1334 | return SSH_ERR_ALLOC_FAIL; | |
1335 | +#endif | |
1336 | break; | |
1337 | #undef bn_maybe_alloc_failed | |
1338 | +#undef new_or_dup | |
1339 | case KEY_ECDSA: | |
1340 | case KEY_ECDSA_CERT: | |
1341 | /* Cannot do anything until we know the group */ | |
1342 | @@ -655,16 +750,34 @@ | |
1343 | #ifdef WITH_OPENSSL | |
1344 | case KEY_RSA_CERT: | |
1345 | case KEY_RSA: | |
1346 | - return a->rsa != NULL && b->rsa != NULL && | |
1347 | - BN_cmp(a->rsa->e, b->rsa->e) == 0 && | |
1348 | - BN_cmp(a->rsa->n, b->rsa->n) == 0; | |
1349 | + { | |
1350 | + const BIGNUM *a_e, *b_e, *a_n, *b_n; | |
1351 | + const BIGNUM *a_d, *b_d; | |
1352 | + if (a->rsa == NULL) return 0; | |
1353 | + if (b->rsa == NULL) return 0; | |
1354 | + RSA_get0_key(a->rsa, &a_n, &a_e, &a_d); | |
1355 | + RSA_get0_key(b->rsa, &b_n, &b_e, &b_d); | |
1356 | + return | |
1357 | + BN_cmp(a_e, b_e) == 0 && | |
1358 | + BN_cmp(a_n, b_n) == 0; | |
1359 | + } | |
1360 | case KEY_DSA_CERT: | |
1361 | case KEY_DSA: | |
1362 | - return a->dsa != NULL && b->dsa != NULL && | |
1363 | - BN_cmp(a->dsa->p, b->dsa->p) == 0 && | |
1364 | - BN_cmp(a->dsa->q, b->dsa->q) == 0 && | |
1365 | - BN_cmp(a->dsa->g, b->dsa->g) == 0 && | |
1366 | - BN_cmp(a->dsa->pub_key, b->dsa->pub_key) == 0; | |
1367 | + { | |
1368 | + const BIGNUM *a_p, *a_q, *a_g, *a_pub_key; | |
1369 | + const BIGNUM *b_p, *b_q, *b_g, *b_pub_key; | |
1370 | + if (a->dsa == NULL) return 0; | |
1371 | + if (b->dsa == NULL) return 0; | |
1372 | + DSA_get0_pqg(a->dsa, &a_p, &a_q, &a_g); | |
1373 | + DSA_get0_pqg(b->dsa, &b_p, &b_q, &b_g); | |
1374 | + DSA_get0_key(a->dsa, &a_pub_key, NULL); | |
1375 | + DSA_get0_key(b->dsa, &b_pub_key, NULL); | |
1376 | + return | |
1377 | + BN_cmp(a_p, b_p) == 0 && | |
1378 | + BN_cmp(a_q, b_q) == 0 && | |
1379 | + BN_cmp(a_g, b_g) == 0 && | |
1380 | + BN_cmp(a_pub_key, b_pub_key) == 0; | |
1381 | + } | |
1382 | # ifdef OPENSSL_HAS_ECC | |
1383 | case KEY_ECDSA_CERT: | |
1384 | case KEY_ECDSA: | |
1385 | @@ -742,12 +855,17 @@ | |
1386 | case KEY_DSA: | |
1387 | if (key->dsa == NULL) | |
1388 | return SSH_ERR_INVALID_ARGUMENT; | |
1389 | + { | |
1390 | + const BIGNUM *p, *q, *g, *pub_key; | |
1391 | + DSA_get0_pqg(key->dsa, &p, &q, &g); | |
1392 | + DSA_get0_key(key->dsa, &pub_key, NULL); | |
1393 | if ((ret = sshbuf_put_cstring(b, typename)) != 0 || | |
1394 | - (ret = sshbuf_put_bignum2(b, key->dsa->p)) != 0 || | |
1395 | - (ret = sshbuf_put_bignum2(b, key->dsa->q)) != 0 || | |
1396 | - (ret = sshbuf_put_bignum2(b, key->dsa->g)) != 0 || | |
1397 | - (ret = sshbuf_put_bignum2(b, key->dsa->pub_key)) != 0) | |
1398 | + (ret = sshbuf_put_bignum2(b, p)) != 0 || | |
1399 | + (ret = sshbuf_put_bignum2(b, q)) != 0 || | |
1400 | + (ret = sshbuf_put_bignum2(b, g)) != 0 || | |
1401 | + (ret = sshbuf_put_bignum2(b, pub_key)) != 0) | |
1402 | return ret; | |
1403 | + } | |
1404 | break; | |
1405 | # ifdef OPENSSL_HAS_ECC | |
1406 | case KEY_ECDSA: | |
1407 | @@ -763,10 +881,14 @@ | |
1408 | case KEY_RSA: | |
1409 | if (key->rsa == NULL) | |
1410 | return SSH_ERR_INVALID_ARGUMENT; | |
1411 | + { | |
1412 | + const BIGNUM *e, *n; | |
1413 | + RSA_get0_key(key->rsa, &n, &e, NULL); | |
1414 | if ((ret = sshbuf_put_cstring(b, typename)) != 0 || | |
1415 | - (ret = sshbuf_put_bignum2(b, key->rsa->e)) != 0 || | |
1416 | - (ret = sshbuf_put_bignum2(b, key->rsa->n)) != 0) | |
1417 | + (ret = sshbuf_put_bignum2(b, e)) != 0 || | |
1418 | + (ret = sshbuf_put_bignum2(b, n)) != 0) | |
1419 | return ret; | |
1420 | + } | |
1421 | break; | |
1422 | #endif /* WITH_OPENSSL */ | |
1423 | case KEY_ED25519: | |
1424 | @@ -1643,13 +1765,32 @@ | |
1425 | case KEY_DSA_CERT: | |
1426 | if ((n = sshkey_new(k->type)) == NULL) | |
1427 | return SSH_ERR_ALLOC_FAIL; | |
1428 | - if ((BN_copy(n->dsa->p, k->dsa->p) == NULL) || | |
1429 | - (BN_copy(n->dsa->q, k->dsa->q) == NULL) || | |
1430 | - (BN_copy(n->dsa->g, k->dsa->g) == NULL) || | |
1431 | - (BN_copy(n->dsa->pub_key, k->dsa->pub_key) == NULL)) { | |
1432 | + { | |
1433 | + const BIGNUM *p, *q, *g, *pub_key, *priv_key; | |
1434 | + BIGNUM *cp=NULL, *cq=NULL, *cg=NULL, *cpub_key=NULL; | |
1435 | + DSA_get0_pqg(k->dsa, &p, &q, &g); | |
1436 | + DSA_get0_key(k->dsa, &pub_key, &priv_key); | |
1437 | + if ((cp = BN_dup(p)) == NULL || | |
1438 | + (cq = BN_dup(q)) == NULL || | |
1439 | + (cg = BN_dup(g)) == NULL || | |
1440 | + (cpub_key = BN_dup(pub_key)) == NULL) { | |
1441 | + BN_free(cp); BN_free(cq); BN_free(cg); | |
1442 | + BN_free(cpub_key); | |
1443 | sshkey_free(n); | |
1444 | return SSH_ERR_ALLOC_FAIL; | |
1445 | } | |
1446 | + if (DSA_set0_pqg(n->dsa, cp, cq, cg) == 0) | |
1447 | + goto error1; | |
1448 | + cp = cq = cg = NULL; | |
1449 | + if (DSA_set0_key(n->dsa, cpub_key, NULL) == 0) { | |
1450 | +error1: | |
1451 | + BN_free(cp); BN_free(cq); BN_free(cg); | |
1452 | + BN_free(cpub_key); | |
1453 | + sshkey_free(n); | |
1454 | + return SSH_ERR_LIBCRYPTO_ERROR; | |
1455 | + } | |
1456 | + cpub_key = NULL; | |
1457 | + } | |
1458 | break; | |
1459 | # ifdef OPENSSL_HAS_ECC | |
1460 | case KEY_ECDSA: | |
1461 | @@ -1673,11 +1814,23 @@ | |
1462 | case KEY_RSA_CERT: | |
1463 | if ((n = sshkey_new(k->type)) == NULL) | |
1464 | return SSH_ERR_ALLOC_FAIL; | |
1465 | - if ((BN_copy(n->rsa->n, k->rsa->n) == NULL) || | |
1466 | - (BN_copy(n->rsa->e, k->rsa->e) == NULL)) { | |
1467 | + { | |
1468 | + const BIGNUM *nn, *e, *d; | |
1469 | + BIGNUM *cn=NULL, *ce=NULL; | |
1470 | + RSA_get0_key(k->rsa, &nn, &e, &d); | |
1471 | + if ((cn = BN_dup(nn)) == NULL || | |
1472 | + (ce = BN_dup(e)) == NULL ) { | |
1473 | + BN_free(cn); BN_free(ce); | |
1474 | sshkey_free(n); | |
1475 | return SSH_ERR_ALLOC_FAIL; | |
1476 | } | |
1477 | + if (RSA_set0_key(n->rsa, cn, ce, NULL) == 0) { | |
1478 | + BN_free(cn); BN_free(ce); | |
1479 | + sshkey_free(n); | |
1480 | + return SSH_ERR_LIBCRYPTO_ERROR; | |
1481 | + } | |
1482 | + cn = ce = NULL; | |
1483 | + } | |
1484 | break; | |
1485 | #endif /* WITH_OPENSSL */ | |
1486 | case KEY_ED25519: | |
1487 | @@ -1875,12 +2028,27 @@ | |
1488 | ret = SSH_ERR_ALLOC_FAIL; | |
1489 | goto out; | |
1490 | } | |
1491 | - if (sshbuf_get_bignum2(b, key->rsa->e) != 0 || | |
1492 | - sshbuf_get_bignum2(b, key->rsa->n) != 0) { | |
1493 | + { | |
1494 | + BIGNUM *e=NULL, *n=NULL; | |
1495 | + if ((e = BN_new()) == NULL || | |
1496 | + (n = BN_new()) == NULL ) { | |
1497 | + ret = SSH_ERR_ALLOC_FAIL; | |
1498 | + BN_free(e); BN_free(n); | |
1499 | + goto out; | |
1500 | + } | |
1501 | + if (sshbuf_get_bignum2(b, e) != 0 || | |
1502 | + sshbuf_get_bignum2(b, n) != 0) { | |
1503 | ret = SSH_ERR_INVALID_FORMAT; | |
1504 | + BN_free(e); BN_free(n); | |
1505 | goto out; | |
1506 | } | |
1507 | - if (BN_num_bits(key->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) { | |
1508 | + if (RSA_set0_key(key->rsa, n, e, NULL) == 0) { | |
1509 | + BN_free(e); BN_free(n); | |
1510 | + return SSH_ERR_LIBCRYPTO_ERROR; | |
1511 | + } | |
1512 | + n = e = NULL; | |
1513 | + } | |
1514 | + if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) { | |
1515 | ret = SSH_ERR_KEY_LENGTH; | |
1516 | goto out; | |
1517 | } | |
1518 | @@ -1900,13 +2068,36 @@ | |
1519 | ret = SSH_ERR_ALLOC_FAIL; | |
1520 | goto out; | |
1521 | } | |
1522 | - if (sshbuf_get_bignum2(b, key->dsa->p) != 0 || | |
1523 | - sshbuf_get_bignum2(b, key->dsa->q) != 0 || | |
1524 | - sshbuf_get_bignum2(b, key->dsa->g) != 0 || | |
1525 | - sshbuf_get_bignum2(b, key->dsa->pub_key) != 0) { | |
1526 | + { | |
1527 | + BIGNUM *p=NULL, *q=NULL, *g=NULL, *pub_key=NULL; | |
1528 | + if ((p = BN_new()) == NULL || | |
1529 | + (q = BN_new()) == NULL || | |
1530 | + (g = BN_new()) == NULL || | |
1531 | + (pub_key = BN_new()) == NULL) { | |
1532 | + ret = SSH_ERR_ALLOC_FAIL; | |
1533 | + goto error1; | |
1534 | + } | |
1535 | + if (sshbuf_get_bignum2(b, p) != 0 || | |
1536 | + sshbuf_get_bignum2(b, q) != 0 || | |
1537 | + sshbuf_get_bignum2(b, g) != 0 || | |
1538 | + sshbuf_get_bignum2(b, pub_key) != 0) { | |
1539 | ret = SSH_ERR_INVALID_FORMAT; | |
1540 | + goto error1; | |
1541 | + } | |
1542 | + if (DSA_set0_pqg(key->dsa, p, q, g) == 0) { | |
1543 | + ret = SSH_ERR_LIBCRYPTO_ERROR; | |
1544 | + goto error1; | |
1545 | + } | |
1546 | + p = q = g = NULL; | |
1547 | + if (DSA_set0_key(key->dsa, pub_key, NULL) == 0) { | |
1548 | + ret = SSH_ERR_LIBCRYPTO_ERROR; | |
1549 | +error1: | |
1550 | + BN_free(p); BN_free(q); BN_free(g); | |
1551 | + BN_free(pub_key); | |
1552 | goto out; | |
1553 | } | |
1554 | + pub_key = NULL; | |
1555 | + } | |
1556 | #ifdef DEBUG_PK | |
1557 | DSA_print_fp(stderr, key->dsa, 8); | |
1558 | #endif | |
1559 | @@ -2140,26 +2331,63 @@ | |
1560 | goto fail; | |
1561 | /* FALLTHROUGH */ | |
1562 | case KEY_RSA: | |
1563 | - if ((pk->rsa = RSA_new()) == NULL || | |
1564 | - (pk->rsa->e = BN_dup(k->rsa->e)) == NULL || | |
1565 | - (pk->rsa->n = BN_dup(k->rsa->n)) == NULL) { | |
1566 | + if ((pk->rsa = RSA_new()) == NULL ){ | |
1567 | ret = SSH_ERR_ALLOC_FAIL; | |
1568 | goto fail; | |
1569 | } | |
1570 | + { | |
1571 | + const BIGNUM *ke, *kn; | |
1572 | + BIGNUM *pke=NULL, *pkn=NULL; | |
1573 | + RSA_get0_key(k->rsa, &kn, &ke, NULL); | |
1574 | + if ((pke = BN_dup(ke)) == NULL || | |
1575 | + (pkn = BN_dup(kn)) == NULL) { | |
1576 | + ret = SSH_ERR_ALLOC_FAIL; | |
1577 | + BN_free(pke); BN_free(pkn); | |
1578 | + goto fail; | |
1579 | + } | |
1580 | + if (RSA_set0_key(pk->rsa, pkn, pke, NULL) == 0) { | |
1581 | + ret = SSH_ERR_LIBCRYPTO_ERROR; | |
1582 | + BN_free(pke); BN_free(pkn); | |
1583 | + goto fail; | |
1584 | + } | |
1585 | + pkn = pke = NULL; | |
1586 | + } | |
1587 | break; | |
1588 | case KEY_DSA_CERT: | |
1589 | if ((ret = sshkey_cert_copy(k, pk)) != 0) | |
1590 | goto fail; | |
1591 | /* FALLTHROUGH */ | |
1592 | case KEY_DSA: | |
1593 | - if ((pk->dsa = DSA_new()) == NULL || | |
1594 | - (pk->dsa->p = BN_dup(k->dsa->p)) == NULL || | |
1595 | - (pk->dsa->q = BN_dup(k->dsa->q)) == NULL || | |
1596 | - (pk->dsa->g = BN_dup(k->dsa->g)) == NULL || | |
1597 | - (pk->dsa->pub_key = BN_dup(k->dsa->pub_key)) == NULL) { | |
1598 | + if ((pk->dsa = DSA_new()) == NULL ) { | |
1599 | ret = SSH_ERR_ALLOC_FAIL; | |
1600 | goto fail; | |
1601 | } | |
1602 | + { | |
1603 | + const BIGNUM *kp, *kq, *kg, *kpub_key; | |
1604 | + BIGNUM *pkp=NULL, *pkq=NULL, *pkg=NULL, *pkpub_key=NULL; | |
1605 | + DSA_get0_pqg(k->dsa, &kp, &kq, &kg); | |
1606 | + DSA_get0_key(k->dsa, &kpub_key, NULL); | |
1607 | + if ((pkp = BN_dup(kp)) == NULL || | |
1608 | + (pkq = BN_dup(kq)) == NULL || | |
1609 | + (pkg = BN_dup(kg)) == NULL || | |
1610 | + (pkpub_key = BN_dup(kpub_key)) == NULL) { | |
1611 | + ret = SSH_ERR_ALLOC_FAIL; | |
1612 | + goto error1; | |
1613 | + } | |
1614 | + if (DSA_set0_pqg(pk->dsa, pkp, pkq, pkg) == 0) { | |
1615 | + ret = SSH_ERR_LIBCRYPTO_ERROR; | |
1616 | + goto error1; | |
1617 | + } | |
1618 | + pkp = pkq = pkg = NULL; | |
1619 | + if (DSA_set0_key(pk->dsa, pkpub_key, NULL) == 0) { | |
1620 | + ret = SSH_ERR_LIBCRYPTO_ERROR; | |
1621 | +error1: | |
1622 | + BN_free(pkp); BN_free(pkq); BN_free(pkg); | |
1623 | + BN_free(pkpub_key); | |
1624 | + goto fail; | |
1625 | + } | |
1626 | + pkpub_key = NULL; | |
1627 | + } | |
1628 | break; | |
1629 | case KEY_ECDSA_CERT: | |
1630 | if ((ret = sshkey_cert_copy(k, pk)) != 0) | |
1631 | @@ -2281,11 +2509,17 @@ | |
1632 | switch (k->type) { | |
1633 | #ifdef WITH_OPENSSL | |
1634 | case KEY_DSA_CERT: | |
1635 | - if ((ret = sshbuf_put_bignum2(cert, k->dsa->p)) != 0 || | |
1636 | - (ret = sshbuf_put_bignum2(cert, k->dsa->q)) != 0 || | |
1637 | - (ret = sshbuf_put_bignum2(cert, k->dsa->g)) != 0 || | |
1638 | - (ret = sshbuf_put_bignum2(cert, k->dsa->pub_key)) != 0) | |
1639 | + { | |
1640 | + const BIGNUM *p, *q, *g, *pub_key; | |
1641 | + DSA_get0_pqg(k->dsa, &p, &q, &g); | |
1642 | + DSA_get0_key(k->dsa, &pub_key, NULL); | |
1643 | + if ((ret = sshbuf_put_bignum2(cert, p)) != 0 || | |
1644 | + (ret = sshbuf_put_bignum2(cert, q)) != 0 || | |
1645 | + (ret = sshbuf_put_bignum2(cert, g)) != 0 || | |
1646 | + (ret = sshbuf_put_bignum2(cert, pub_key)) != 0) { | |
1647 | goto out; | |
1648 | + } | |
1649 | + } | |
1650 | break; | |
1651 | # ifdef OPENSSL_HAS_ECC | |
1652 | case KEY_ECDSA_CERT: | |
1653 | @@ -2298,9 +2532,15 @@ | |
1654 | break; | |
1655 | # endif /* OPENSSL_HAS_ECC */ | |
1656 | case KEY_RSA_CERT: | |
1657 | - if ((ret = sshbuf_put_bignum2(cert, k->rsa->e)) != 0 || | |
1658 | - (ret = sshbuf_put_bignum2(cert, k->rsa->n)) != 0) | |
1659 | + { | |
1660 | + const BIGNUM *e, *n; | |
1661 | + RSA_get0_key(k->rsa, &n, &e, NULL); | |
1662 | + if (n == NULL || e == NULL || | |
1663 | + (ret = sshbuf_put_bignum2(cert, e)) != 0 || | |
1664 | + (ret = sshbuf_put_bignum2(cert, n)) != 0) { | |
1665 | goto out; | |
1666 | + } | |
1667 | + } | |
1668 | break; | |
1669 | #endif /* WITH_OPENSSL */ | |
1670 | case KEY_ED25519_CERT: | |
1671 | @@ -2474,42 +2714,67 @@ | |
1672 | switch (key->type) { | |
1673 | #ifdef WITH_OPENSSL | |
1674 | case KEY_RSA: | |
1675 | - if ((r = sshbuf_put_bignum2(b, key->rsa->n)) != 0 || | |
1676 | - (r = sshbuf_put_bignum2(b, key->rsa->e)) != 0 || | |
1677 | - (r = sshbuf_put_bignum2(b, key->rsa->d)) != 0 || | |
1678 | - (r = sshbuf_put_bignum2(b, key->rsa->iqmp)) != 0 || | |
1679 | - (r = sshbuf_put_bignum2(b, key->rsa->p)) != 0 || | |
1680 | - (r = sshbuf_put_bignum2(b, key->rsa->q)) != 0) | |
1681 | + { | |
1682 | + const BIGNUM *n, *e, *d, *iqmp, *p, *q; | |
1683 | + RSA_get0_key(key->rsa, &n, &e, &d); | |
1684 | + RSA_get0_crt_params(key->rsa, NULL, NULL, &iqmp); | |
1685 | + RSA_get0_factors(key->rsa, &p, &q); | |
1686 | + if ((r = sshbuf_put_bignum2(b, n)) != 0 || | |
1687 | + (r = sshbuf_put_bignum2(b, e)) != 0 || | |
1688 | + (r = sshbuf_put_bignum2(b, d)) != 0 || | |
1689 | + (r = sshbuf_put_bignum2(b, iqmp)) != 0 || | |
1690 | + (r = sshbuf_put_bignum2(b, p)) != 0 || | |
1691 | + (r = sshbuf_put_bignum2(b, q)) != 0) { | |
1692 | goto out; | |
1693 | + } | |
1694 | + } | |
1695 | break; | |
1696 | case KEY_RSA_CERT: | |
1697 | if (key->cert == NULL || sshbuf_len(key->cert->certblob) == 0) { | |
1698 | r = SSH_ERR_INVALID_ARGUMENT; | |
1699 | goto out; | |
1700 | } | |
1701 | + { | |
1702 | + const BIGNUM *d, *iqmp, *p, *q; | |
1703 | + RSA_get0_key(key->rsa, NULL, NULL, &d); | |
1704 | + RSA_get0_crt_params(key->rsa, NULL, NULL, &iqmp); | |
1705 | + RSA_get0_factors(key->rsa, &p, &q); | |
1706 | if ((r = sshbuf_put_stringb(b, key->cert->certblob)) != 0 || | |
1707 | - (r = sshbuf_put_bignum2(b, key->rsa->d)) != 0 || | |
1708 | - (r = sshbuf_put_bignum2(b, key->rsa->iqmp)) != 0 || | |
1709 | - (r = sshbuf_put_bignum2(b, key->rsa->p)) != 0 || | |
1710 | - (r = sshbuf_put_bignum2(b, key->rsa->q)) != 0) | |
1711 | + (r = sshbuf_put_bignum2(b, d)) != 0 || | |
1712 | + (r = sshbuf_put_bignum2(b, iqmp)) != 0 || | |
1713 | + (r = sshbuf_put_bignum2(b, p)) != 0 || | |
1714 | + (r = sshbuf_put_bignum2(b, q)) != 0) { | |
1715 | goto out; | |
1716 | + } | |
1717 | + } | |
1718 | break; | |
1719 | case KEY_DSA: | |
1720 | - if ((r = sshbuf_put_bignum2(b, key->dsa->p)) != 0 || | |
1721 | - (r = sshbuf_put_bignum2(b, key->dsa->q)) != 0 || | |
1722 | - (r = sshbuf_put_bignum2(b, key->dsa->g)) != 0 || | |
1723 | - (r = sshbuf_put_bignum2(b, key->dsa->pub_key)) != 0 || | |
1724 | - (r = sshbuf_put_bignum2(b, key->dsa->priv_key)) != 0) | |
1725 | + { | |
1726 | + const BIGNUM *p, *q, *g, *pub_key, *priv_key; | |
1727 | + DSA_get0_pqg(key->dsa, &p, &q, &g); | |
1728 | + DSA_get0_key(key->dsa, &pub_key, &priv_key); | |
1729 | + if ((r = sshbuf_put_bignum2(b, p)) != 0 || | |
1730 | + (r = sshbuf_put_bignum2(b, q)) != 0 || | |
1731 | + (r = sshbuf_put_bignum2(b, g)) != 0 || | |
1732 | + (r = sshbuf_put_bignum2(b, pub_key)) != 0 || | |
1733 | + (r = sshbuf_put_bignum2(b, priv_key)) != 0) { | |
1734 | goto out; | |
1735 | + } | |
1736 | + } | |
1737 | break; | |
1738 | case KEY_DSA_CERT: | |
1739 | if (key->cert == NULL || sshbuf_len(key->cert->certblob) == 0) { | |
1740 | r = SSH_ERR_INVALID_ARGUMENT; | |
1741 | goto out; | |
1742 | } | |
1743 | + { | |
1744 | + const BIGNUM *priv_key; | |
1745 | + DSA_get0_key(key->dsa, NULL, &priv_key); | |
1746 | if ((r = sshbuf_put_stringb(b, key->cert->certblob)) != 0 || | |
1747 | - (r = sshbuf_put_bignum2(b, key->dsa->priv_key)) != 0) | |
1748 | + (r = sshbuf_put_bignum2(b, priv_key)) != 0) { | |
1749 | goto out; | |
1750 | + } | |
1751 | + } | |
1752 | break; | |
1753 | # ifdef OPENSSL_HAS_ECC | |
1754 | case KEY_ECDSA: | |
1755 | @@ -2585,18 +2850,61 @@ | |
1756 | r = SSH_ERR_ALLOC_FAIL; | |
1757 | goto out; | |
1758 | } | |
1759 | - if ((r = sshbuf_get_bignum2(buf, k->dsa->p)) != 0 || | |
1760 | - (r = sshbuf_get_bignum2(buf, k->dsa->q)) != 0 || | |
1761 | - (r = sshbuf_get_bignum2(buf, k->dsa->g)) != 0 || | |
1762 | - (r = sshbuf_get_bignum2(buf, k->dsa->pub_key)) != 0 || | |
1763 | - (r = sshbuf_get_bignum2(buf, k->dsa->priv_key)) != 0) | |
1764 | + { | |
1765 | + BIGNUM *p=NULL, *q=NULL, *g=NULL, *pub_key=NULL, *priv_key=NULL; | |
1766 | + if ((p = BN_new()) == NULL || | |
1767 | + (q = BN_new()) == NULL || | |
1768 | + (g = BN_new()) == NULL || | |
1769 | + (pub_key = BN_new()) == NULL || | |
1770 | + (priv_key = BN_new()) == NULL) { | |
1771 | + r = SSH_ERR_ALLOC_FAIL; | |
1772 | + goto error1; | |
1773 | + } | |
1774 | + if (p == NULL || q == NULL || g == NULL || | |
1775 | + pub_key == NULL || priv_key == NULL || | |
1776 | + (r = sshbuf_get_bignum2(buf, p)) != 0 || | |
1777 | + (r = sshbuf_get_bignum2(buf, q)) != 0 || | |
1778 | + (r = sshbuf_get_bignum2(buf, g)) != 0 || | |
1779 | + (r = sshbuf_get_bignum2(buf, pub_key)) != 0 || | |
1780 | + (r = sshbuf_get_bignum2(buf, priv_key)) != 0) { | |
1781 | + goto error1; | |
1782 | + } | |
1783 | + if (DSA_set0_pqg(k->dsa, p, q, g) == 0) { | |
1784 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1785 | + goto error1; | |
1786 | + } | |
1787 | + p = q = g = NULL; | |
1788 | + if (DSA_set0_key(k->dsa, pub_key, priv_key) == 0) { | |
1789 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1790 | +error1: | |
1791 | + BN_free(p); BN_free(q); BN_free(g); | |
1792 | + BN_free(pub_key); BN_free(priv_key); | |
1793 | goto out; | |
1794 | + } | |
1795 | + pub_key = priv_key = NULL; | |
1796 | + } | |
1797 | break; | |
1798 | case KEY_DSA_CERT: | |
1799 | - if ((r = sshkey_froms(buf, &k)) != 0 || | |
1800 | + { | |
1801 | + BIGNUM *priv_key=NULL; | |
1802 | + if ((priv_key = BN_new()) == NULL) { | |
1803 | + r = SSH_ERR_ALLOC_FAIL; | |
1804 | + goto out; | |
1805 | + } | |
1806 | + if (priv_key == NULL || | |
1807 | + (r = sshkey_froms(buf, &k)) != 0 || | |
1808 | (r = sshkey_add_private(k)) != 0 || | |
1809 | - (r = sshbuf_get_bignum2(buf, k->dsa->priv_key)) != 0) | |
1810 | + (r = sshbuf_get_bignum2(buf, priv_key)) != 0) { | |
1811 | + BN_free(priv_key); | |
1812 | + goto out; | |
1813 | + } | |
1814 | + if (DSA_set0_key(k->dsa, NULL, priv_key) == 0) { | |
1815 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1816 | + BN_free(priv_key); | |
1817 | goto out; | |
1818 | + } | |
1819 | + priv_key = NULL; | |
1820 | + } | |
1821 | break; | |
1822 | # ifdef OPENSSL_HAS_ECC | |
1823 | case KEY_ECDSA: | |
1824 | @@ -2655,29 +2963,104 @@ | |
1825 | r = SSH_ERR_ALLOC_FAIL; | |
1826 | goto out; | |
1827 | } | |
1828 | - if ((r = sshbuf_get_bignum2(buf, k->rsa->n)) != 0 || | |
1829 | - (r = sshbuf_get_bignum2(buf, k->rsa->e)) != 0 || | |
1830 | - (r = sshbuf_get_bignum2(buf, k->rsa->d)) != 0 || | |
1831 | - (r = sshbuf_get_bignum2(buf, k->rsa->iqmp)) != 0 || | |
1832 | - (r = sshbuf_get_bignum2(buf, k->rsa->p)) != 0 || | |
1833 | - (r = sshbuf_get_bignum2(buf, k->rsa->q)) != 0 || | |
1834 | - (r = ssh_rsa_generate_additional_parameters(k)) != 0) | |
1835 | + { | |
1836 | + BIGNUM *n=NULL, *e=NULL, *d=NULL, *iqmp=NULL, *p=NULL, *q=NULL; | |
1837 | + BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy for RSA_set0_crt_params */ | |
1838 | + if ((n = BN_new()) == NULL || | |
1839 | + (e = BN_new()) == NULL || | |
1840 | + (d = BN_new()) == NULL || | |
1841 | + (iqmp = BN_new()) == NULL || | |
1842 | + (p = BN_new()) == NULL || | |
1843 | + (q = BN_new()) == NULL || | |
1844 | + (dmp1 = BN_new()) == NULL || | |
1845 | + (dmq1 = BN_new()) == NULL) { | |
1846 | + r = SSH_ERR_ALLOC_FAIL; | |
1847 | + goto error2; | |
1848 | + } | |
1849 | + BN_clear(dmp1); BN_clear(dmq1); | |
1850 | + if ((r = sshbuf_get_bignum2(buf, n)) != 0 || | |
1851 | + (r = sshbuf_get_bignum2(buf, e)) != 0 || | |
1852 | + (r = sshbuf_get_bignum2(buf, d)) != 0 || | |
1853 | + (r = sshbuf_get_bignum2(buf, iqmp)) != 0 || | |
1854 | + (r = sshbuf_get_bignum2(buf, p)) != 0 || | |
1855 | + (r = sshbuf_get_bignum2(buf, q)) != 0) { | |
1856 | + goto error2; | |
1857 | + } | |
1858 | + if (RSA_set0_key(k->rsa, n, e, d) == 0) { | |
1859 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1860 | + goto error2; | |
1861 | + } | |
1862 | + n = e = d = NULL; | |
1863 | + /* dmp1,dmpq1 should be non NULL to set iqmp value */ | |
1864 | + if (RSA_set0_crt_params(k->rsa, dmp1, dmq1, iqmp) == 0) { | |
1865 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1866 | + goto error2; | |
1867 | + } | |
1868 | + dmp1 = dmq1 = iqmp = NULL; | |
1869 | + if (RSA_set0_factors(k->rsa, p, q) == 0) { | |
1870 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1871 | + error2: | |
1872 | + BN_free(n); BN_free(e); BN_free(d); | |
1873 | + BN_free(iqmp); | |
1874 | + BN_free(p); BN_free(q); | |
1875 | + BN_free(dmp1); BN_free(dmq1); | |
1876 | + goto out; | |
1877 | + } | |
1878 | + p = q = NULL; | |
1879 | + if ((r = ssh_rsa_generate_additional_parameters(k)) != 0) { | |
1880 | goto out; | |
1881 | - if (BN_num_bits(k->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) { | |
1882 | + } | |
1883 | + } | |
1884 | + if (RSA_bits(k->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) { | |
1885 | r = SSH_ERR_KEY_LENGTH; | |
1886 | goto out; | |
1887 | } | |
1888 | break; | |
1889 | case KEY_RSA_CERT: | |
1890 | + { | |
1891 | + BIGNUM *d=NULL, *iqmp=NULL, *p=NULL, *q=NULL; | |
1892 | + BIGNUM *dmp1=NULL, *dmq1=NULL; /* dummy for RSA_set0_crt_params */ | |
1893 | + if ((d = BN_new()) == NULL || | |
1894 | + (iqmp = BN_new()) == NULL || | |
1895 | + (p = BN_new()) == NULL || | |
1896 | + (q = BN_new()) == NULL || | |
1897 | + (dmp1 = BN_new()) == NULL || | |
1898 | + (dmq1 = BN_new()) == NULL) { | |
1899 | + r = SSH_ERR_ALLOC_FAIL; | |
1900 | + goto error3; | |
1901 | + } | |
1902 | + BN_clear(dmp1); BN_clear(dmq1); | |
1903 | if ((r = sshkey_froms(buf, &k)) != 0 || | |
1904 | (r = sshkey_add_private(k)) != 0 || | |
1905 | - (r = sshbuf_get_bignum2(buf, k->rsa->d)) != 0 || | |
1906 | - (r = sshbuf_get_bignum2(buf, k->rsa->iqmp)) != 0 || | |
1907 | - (r = sshbuf_get_bignum2(buf, k->rsa->p)) != 0 || | |
1908 | - (r = sshbuf_get_bignum2(buf, k->rsa->q)) != 0 || | |
1909 | - (r = ssh_rsa_generate_additional_parameters(k)) != 0) | |
1910 | + (r = sshbuf_get_bignum2(buf, d)) != 0 || | |
1911 | + (r = sshbuf_get_bignum2(buf, iqmp)) != 0 || | |
1912 | + (r = sshbuf_get_bignum2(buf, p)) != 0 || | |
1913 | + (r = sshbuf_get_bignum2(buf, q)) != 0) { | |
1914 | + goto error3; | |
1915 | + } | |
1916 | + if (RSA_set0_key(k->rsa, NULL, NULL, d) == 0) { | |
1917 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1918 | + goto error3; | |
1919 | + } | |
1920 | + /* dmp1,dmpq1 should be non NULL to set value */ | |
1921 | + if (RSA_set0_crt_params(k->rsa, dmp1, dmq1, iqmp) == 0) { | |
1922 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1923 | + goto error3; | |
1924 | + } | |
1925 | + dmp1 = dmq1 = iqmp = NULL; | |
1926 | + if (RSA_set0_factors(k->rsa, p, q) == 0) { | |
1927 | + r = SSH_ERR_LIBCRYPTO_ERROR; | |
1928 | + error3: | |
1929 | + BN_free(d); BN_free(iqmp); | |
1930 | + BN_free(p); BN_free(q); | |
1931 | + BN_free(dmp1); BN_free(dmq1); | |
1932 | goto out; | |
1933 | - if (BN_num_bits(k->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) { | |
1934 | + } | |
1935 | + p = q = NULL; | |
1936 | + if ((r = ssh_rsa_generate_additional_parameters(k)) != 0) | |
1937 | + goto out; | |
1938 | + } | |
1939 | + if (RSA_bits(k->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) { | |
1940 | r = SSH_ERR_KEY_LENGTH; | |
1941 | goto out; | |
1942 | } | |
1943 | @@ -3395,7 +3778,6 @@ | |
1944 | switch (pem_reason) { | |
1945 | case EVP_R_BAD_DECRYPT: | |
1946 | return SSH_ERR_KEY_WRONG_PASSPHRASE; | |
1947 | - case EVP_R_BN_DECODE_ERROR: | |
1948 | case EVP_R_DECODE_ERROR: | |
1949 | #ifdef EVP_R_PRIVATE_KEY_DECODE_ERROR | |
1950 | case EVP_R_PRIVATE_KEY_DECODE_ERROR: | |
1951 | @@ -3460,7 +3842,7 @@ | |
1952 | r = convert_libcrypto_error(); | |
1953 | goto out; | |
1954 | } | |
1955 | - if (pk->type == EVP_PKEY_RSA && | |
1956 | + if (EVP_PKEY_id(pk) == EVP_PKEY_RSA && | |
1957 | (type == KEY_UNSPEC || type == KEY_RSA)) { | |
1958 | if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) { | |
1959 | r = SSH_ERR_ALLOC_FAIL; | |
1960 | @@ -3475,11 +3857,11 @@ | |
1961 | r = SSH_ERR_LIBCRYPTO_ERROR; | |
1962 | goto out; | |
1963 | } | |
1964 | - if (BN_num_bits(prv->rsa->n) < SSH_RSA_MINIMUM_MODULUS_SIZE) { | |
1965 | + if (RSA_bits(prv->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE) { | |
1966 | r = SSH_ERR_KEY_LENGTH; | |
1967 | goto out; | |
1968 | } | |
1969 | - } else if (pk->type == EVP_PKEY_DSA && | |
1970 | + } else if (EVP_PKEY_id(pk) == EVP_PKEY_DSA && | |
1971 | (type == KEY_UNSPEC || type == KEY_DSA)) { | |
1972 | if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) { | |
1973 | r = SSH_ERR_ALLOC_FAIL; | |
1974 | @@ -3491,7 +3873,7 @@ | |
1975 | DSA_print_fp(stderr, prv->dsa, 8); | |
1976 | #endif | |
1977 | #ifdef OPENSSL_HAS_ECC | |
1978 | - } else if (pk->type == EVP_PKEY_EC && | |
1979 | + } else if (EVP_PKEY_id(pk) == EVP_PKEY_EC && | |
1980 | (type == KEY_UNSPEC || type == KEY_ECDSA)) { | |
1981 | if ((prv = sshkey_new(KEY_UNSPEC)) == NULL) { | |
1982 | r = SSH_ERR_ALLOC_FAIL; |