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authorZoltan Fridrich <zfridric@redhat.com>2023-01-02 13:25:14 +0100
committerZoltan Fridrich <zfridric@redhat.com>2023-01-10 17:02:47 +0100
commit9fa9891e01896811a9c44c54844d44c48534d75e (patch)
treee8d30ec29f241fedaeabc4a4925dba1bd53d095e
parentc89a1eb62d8e669a7b6825e7aefd9382488f5319 (diff)
downloadgnutls-9fa9891e01896811a9c44c54844d44c48534d75e.tar.gz
Fix error codes for unsolicited compressed certificate
Signed-off-by: Zoltan Fridrich <zfridric@redhat.com>
-rw-r--r--lib/tls13/certificate.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/tls13/certificate.c b/lib/tls13/certificate.c
index 4059db38de..a9e7c312b5 100644
--- a/lib/tls13/certificate.c
+++ b/lib/tls13/certificate.c
@@ -60,7 +60,11 @@ int _gnutls13_recv_certificate(gnutls_session_t session)
if (ret == GNUTLS_E_UNEXPECTED_HANDSHAKE_PACKET) {
/* check if we received compressed certificate */
err = _gnutls_recv_handshake(session, GNUTLS_HANDSHAKE_COMPRESSED_CERTIFICATE_PKT, 0, &buf);
- if (err >= 0 && (session->internals.hsk_flags & HSK_COMP_CRT_REQ_SENT)) {
+ if (err >= 0) {
+ /* fail if we receive unsolicited compressed certificate */
+ if (!(session->internals.hsk_flags & HSK_COMP_CRT_REQ_SENT))
+ return gnutls_assert_val(GNUTLS_E_UNEXPECTED_PACKET);
+
decompress_cert = 1;
ret = err;
}