diff options
Diffstat (limited to 'lib/libssl/tls13_legacy.c')
| -rw-r--r-- | lib/libssl/tls13_legacy.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libssl/tls13_legacy.c b/lib/libssl/tls13_legacy.c index 39d7f0b3ed9..317a1cb0f51 100644 --- a/lib/libssl/tls13_legacy.c +++ b/lib/libssl/tls13_legacy.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tls13_legacy.c,v 1.12 2020/07/30 16:57:53 jsing Exp $ */ +/* $OpenBSD: tls13_legacy.c,v 1.13 2020/09/13 15:04:35 jsing Exp $ */ /* * Copyright (c) 2018, 2019 Joel Sing <jsing@openbsd.org> * @@ -35,6 +35,7 @@ tls13_legacy_wire_read(SSL *ssl, uint8_t *buf, size_t len) } ssl->internal->rwstate = SSL_READING; + errno = 0; if ((n = BIO_read(ssl->rbio, buf, len)) <= 0) { if (BIO_should_read(ssl->rbio)) @@ -44,6 +45,9 @@ tls13_legacy_wire_read(SSL *ssl, uint8_t *buf, size_t len) if (n == 0) return TLS13_IO_EOF; + if (ERR_peek_error() == 0 && errno != 0) + SYSerror(errno); + return TLS13_IO_FAILURE; } @@ -72,6 +76,7 @@ tls13_legacy_wire_write(SSL *ssl, const uint8_t *buf, size_t len) } ssl->internal->rwstate = SSL_WRITING; + errno = 0; if ((n = BIO_write(ssl->wbio, buf, len)) <= 0) { if (BIO_should_read(ssl->wbio)) @@ -79,6 +84,9 @@ tls13_legacy_wire_write(SSL *ssl, const uint8_t *buf, size_t len) if (BIO_should_write(ssl->wbio)) return TLS13_IO_WANT_POLLOUT; + if (ERR_peek_error() == 0 && errno != 0) + SYSerror(errno); + return TLS13_IO_FAILURE; } |