diff options
Diffstat (limited to 'src/lib/libssl/s3_both.c')
-rw-r--r-- | src/lib/libssl/s3_both.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/src/lib/libssl/s3_both.c b/src/lib/libssl/s3_both.c index 500387e372..afcaca3c43 100644 --- a/src/lib/libssl/s3_both.c +++ b/src/lib/libssl/s3_both.c | |||
@@ -1,4 +1,4 @@ | |||
1 | /* $OpenBSD: s3_both.c,v 1.26 2014/07/10 08:51:14 tedu Exp $ */ | 1 | /* $OpenBSD: s3_both.c,v 1.27 2014/08/07 19:46:31 miod Exp $ */ |
2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
3 | * All rights reserved. | 3 | * All rights reserved. |
4 | * | 4 | * |
@@ -161,7 +161,7 @@ ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen) | |||
161 | p = &(d[4]); | 161 | p = &(d[4]); |
162 | 162 | ||
163 | i = s->method->ssl3_enc->final_finish_mac(s, | 163 | i = s->method->ssl3_enc->final_finish_mac(s, |
164 | sender, slen, s->s3->tmp.finish_md); | 164 | sender, slen, s->s3->tmp.finish_md); |
165 | if (i == 0) | 165 | if (i == 0) |
166 | return 0; | 166 | return 0; |
167 | s->s3->tmp.finish_md_len = i; | 167 | s->s3->tmp.finish_md_len = i; |
@@ -171,15 +171,14 @@ ssl3_send_finished(SSL *s, int a, int b, const char *sender, int slen) | |||
171 | 171 | ||
172 | /* Copy the finished so we can use it for | 172 | /* Copy the finished so we can use it for |
173 | renegotiation checks */ | 173 | renegotiation checks */ |
174 | OPENSSL_assert(i <= EVP_MAX_MD_SIZE); | ||
174 | if (s->type == SSL_ST_CONNECT) { | 175 | if (s->type == SSL_ST_CONNECT) { |
175 | OPENSSL_assert(i <= EVP_MAX_MD_SIZE); | ||
176 | memcpy(s->s3->previous_client_finished, | 176 | memcpy(s->s3->previous_client_finished, |
177 | s->s3->tmp.finish_md, i); | 177 | s->s3->tmp.finish_md, i); |
178 | s->s3->previous_client_finished_len = i; | 178 | s->s3->previous_client_finished_len = i; |
179 | } else { | 179 | } else { |
180 | OPENSSL_assert(i <= EVP_MAX_MD_SIZE); | ||
181 | memcpy(s->s3->previous_server_finished, | 180 | memcpy(s->s3->previous_server_finished, |
182 | s->s3->tmp.finish_md, i); | 181 | s->s3->tmp.finish_md, i); |
183 | s->s3->previous_server_finished_len = i; | 182 | s->s3->previous_server_finished_len = i; |
184 | } | 183 | } |
185 | 184 | ||
@@ -216,7 +215,7 @@ ssl3_take_mac(SSL *s) | |||
216 | } | 215 | } |
217 | 216 | ||
218 | s->s3->tmp.peer_finish_md_len = s->method->ssl3_enc->final_finish_mac(s, | 217 | s->s3->tmp.peer_finish_md_len = s->method->ssl3_enc->final_finish_mac(s, |
219 | sender, slen, s->s3->tmp.peer_finish_md); | 218 | sender, slen, s->s3->tmp.peer_finish_md); |
220 | } | 219 | } |
221 | #endif | 220 | #endif |
222 | 221 | ||
@@ -250,7 +249,7 @@ ssl3_get_finished(SSL *s, int a, int b) | |||
250 | p = (unsigned char *)s->init_msg; | 249 | p = (unsigned char *)s->init_msg; |
251 | i = s->s3->tmp.peer_finish_md_len; | 250 | i = s->s3->tmp.peer_finish_md_len; |
252 | 251 | ||
253 | if (i != n) { | 252 | if (i != n || i > EVP_MAX_MD_SIZE) { |
254 | al = SSL_AD_DECODE_ERROR; | 253 | al = SSL_AD_DECODE_ERROR; |
255 | SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_BAD_DIGEST_LENGTH); | 254 | SSLerr(SSL_F_SSL3_GET_FINISHED, SSL_R_BAD_DIGEST_LENGTH); |
256 | goto f_err; | 255 | goto f_err; |
@@ -265,14 +264,12 @@ ssl3_get_finished(SSL *s, int a, int b) | |||
265 | /* Copy the finished so we can use it for | 264 | /* Copy the finished so we can use it for |
266 | renegotiation checks */ | 265 | renegotiation checks */ |
267 | if (s->type == SSL_ST_ACCEPT) { | 266 | if (s->type == SSL_ST_ACCEPT) { |
268 | OPENSSL_assert(i <= EVP_MAX_MD_SIZE); | ||
269 | memcpy(s->s3->previous_client_finished, | 267 | memcpy(s->s3->previous_client_finished, |
270 | s->s3->tmp.peer_finish_md, i); | 268 | s->s3->tmp.peer_finish_md, i); |
271 | s->s3->previous_client_finished_len = i; | 269 | s->s3->previous_client_finished_len = i; |
272 | } else { | 270 | } else { |
273 | OPENSSL_assert(i <= EVP_MAX_MD_SIZE); | ||
274 | memcpy(s->s3->previous_server_finished, | 271 | memcpy(s->s3->previous_server_finished, |
275 | s->s3->tmp.peer_finish_md, i); | 272 | s->s3->tmp.peer_finish_md, i); |
276 | s->s3->previous_server_finished_len = i; | 273 | s->s3->previous_server_finished_len = i; |
277 | } | 274 | } |
278 | 275 | ||