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authorjsing <jsing@openbsd.org>2020-05-13 17:51:48 +0000
committerjsing <jsing@openbsd.org>2020-05-13 17:51:48 +0000
commit853fbeeb3ffc4d08157930626c205b35cd56c29e (patch)
tree106aa68b993020c2a49d95dce4c1d0e68377c2f2 /lib/libssl/tls13_client.c
parentsdhc(4), sdmmc(4): tsleep(9) -> tsleep_nsec(9); ok patrick@ (diff)
downloadwireguard-openbsd-853fbeeb3ffc4d08157930626c205b35cd56c29e.tar.xz
wireguard-openbsd-853fbeeb3ffc4d08157930626c205b35cd56c29e.zip
Switch the legacy version to TLS1_2_VERSION when processing server hello.
Switch the legacy version when processing the server hello, rather than when the client hello has been sent. This ensures that we accept a response from the server that has a record version other than TLS1_2_VERSION, as is the case where the server is negotiating TLSv1.0 or TLSv1.1. Issue spotted by inoguchi@ ok inoguchi@ tb@
Diffstat (limited to 'lib/libssl/tls13_client.c')
-rw-r--r--lib/libssl/tls13_client.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/libssl/tls13_client.c b/lib/libssl/tls13_client.c
index 951c0f841c5..dbd5b0add7e 100644
--- a/lib/libssl/tls13_client.c
+++ b/lib/libssl/tls13_client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: tls13_client.c,v 1.58 2020/05/10 16:56:11 jsing Exp $ */
+/* $OpenBSD: tls13_client.c,v 1.59 2020/05/13 17:51:48 jsing Exp $ */
/*
* Copyright (c) 2018, 2019 Joel Sing <jsing@openbsd.org>
*
@@ -145,7 +145,6 @@ tls13_client_hello_send(struct tls13_ctx *ctx, CBB *cbb)
int
tls13_client_hello_sent(struct tls13_ctx *ctx)
{
- tls13_record_layer_set_legacy_version(ctx->rl, TLS1_2_VERSION);
tls13_record_layer_allow_ccs(ctx->rl, 1);
tls1_transcript_freeze(ctx->ssl);
@@ -252,6 +251,7 @@ tls13_server_hello_process(struct tls13_ctx *ctx, CBS *cbs)
}
/* From here on in we know we are doing TLSv1.3. */
+ tls13_record_layer_set_legacy_version(ctx->rl, TLS1_2_VERSION);
tls13_record_layer_allow_legacy_alerts(ctx->rl, 0);
/* See if this is a HelloRetryRequest. */