diff options
| author |   jsing <jsing@openbsd.org> | 2020-08-02 07:33:15 +0000 |
|---|---|---|
| committer | jsing <jsing@openbsd.org> | 2020-08-02 07:33:15 +0000 |
| commit | 0171e27017cc3ed98c521a098e63a9bfb761e1e2 (patch) | |
| tree | 05adc2f001eb79f474d3fcb650411c719008b4da | |
| parent | Catch up sysctl_int.9 to the updated signature (diff) | |
| download | wireguard-openbsd-0171e27017cc3ed98c521a098e63a9bfb761e1e2.tar.xz wireguard-openbsd-0171e27017cc3ed98c521a098e63a9bfb761e1e2.zip | |
Check the return value of tls1_enc() in the write path.
The write path can return a failure in the AEAD path and there is no reason
not to check a return value.
Spotted by tb@ during another review.
ok tb@
| -rw-r--r-- | lib/libssl/d1_pkt.c | 6 | ||||
| -rw-r--r-- | lib/libssl/ssl_pkt.c | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/lib/libssl/d1_pkt.c b/lib/libssl/d1_pkt.c index f888592223c..0caf2a59656 100644 --- a/lib/libssl/d1_pkt.c +++ b/lib/libssl/d1_pkt.c @@ -1,4 +1,4 @@ -/* $OpenBSD: d1_pkt.c,v 1.75 2020/08/01 16:50:16 jsing Exp $ */ +/* $OpenBSD: d1_pkt.c,v 1.76 2020/08/02 07:33:15 jsing Exp $ */ /* * DTLS implementation written by Nagendra Modadugu * (nagendra@cs.stanford.edu) for the OpenSSL project 2005. @@ -1254,8 +1254,8 @@ do_dtls1_write(SSL *s, int type, const unsigned char *buf, unsigned int len) wr->input = p; wr->length += eivlen; - /* tls1_enc can only have an error on read */ - tls1_enc(s, 1); + if (tls1_enc(s, 1) != 1) + goto err; if (!CBB_add_u16(&cbb, wr->length)) goto err; diff --git a/lib/libssl/ssl_pkt.c b/lib/libssl/ssl_pkt.c index 6bb722098a1..39ce46381df 100644 --- a/lib/libssl/ssl_pkt.c +++ b/lib/libssl/ssl_pkt.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ssl_pkt.c,v 1.27 2020/08/01 16:50:16 jsing Exp $ */ +/* $OpenBSD: ssl_pkt.c,v 1.28 2020/08/02 07:33:15 jsing Exp $ */ /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) * All rights reserved. * @@ -674,8 +674,8 @@ ssl3_create_record(SSL *s, unsigned char *p, uint16_t version, uint8_t type, wr->input = p; wr->length += eivlen; - /* tls1_enc can only have an error on read */ - tls1_enc(s, 1); + if (tls1_enc(s, 1) != 1) + goto err; /* record length after mac and block padding */ if (!CBB_add_u16(&cbb, wr->length)) |