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-rw-r--r--lib/vquic/ngtcp2.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/lib/vquic/ngtcp2.c b/lib/vquic/ngtcp2.c
index d6d2c7cd6..dfe8f96fb 100644
--- a/lib/vquic/ngtcp2.c
+++ b/lib/vquic/ngtcp2.c
@@ -61,6 +61,7 @@
#endif
#define H3_ALPN_H3_29 "\x5h3-29"
+#define H3_ALPN_H3 "\x2h3"
/*
* This holds outgoing HTTP/3 stream data that is used by nghttp3 until acked.
@@ -305,8 +306,8 @@ static int quic_init_ssl(struct quicsocket *qs)
SSL_set_connect_state(qs->ssl);
SSL_set_quic_use_legacy_codepoint(qs->ssl, 0);
- alpn = (const uint8_t *)H3_ALPN_H3_29;
- alpnlen = sizeof(H3_ALPN_H3_29) - 1;
+ alpn = (const uint8_t *)H3_ALPN_H3_29 H3_ALPN_H3;
+ alpnlen = sizeof(H3_ALPN_H3_29) - 1 + sizeof(H3_ALPN_H3) - 1;
if(alpn)
SSL_set_alpn_protos(qs->ssl, alpn, (int)alpnlen);
@@ -418,7 +419,7 @@ static int tp_send_func(gnutls_session_t ssl, gnutls_buffer_t extdata)
static int quic_init_ssl(struct quicsocket *qs)
{
- gnutls_datum_t alpn = {NULL, 0};
+ gnutls_datum_t alpn[2];
/* this will need some attention when HTTPS proxy over QUIC get fixed */
const char * const hostname = qs->conn->host.name;
int rc;
@@ -483,10 +484,12 @@ static int quic_init_ssl(struct quicsocket *qs)
}
/* strip the first byte (the length) from NGHTTP3_ALPN_H3 */
- alpn.data = (unsigned char *)H3_ALPN_H3_29 + 1;
- alpn.size = sizeof(H3_ALPN_H3_29) - 2;
- if(alpn.data)
- gnutls_alpn_set_protocols(qs->ssl, &alpn, 1, 0);
+ alpn[0].data = (unsigned char *)H3_ALPN_H3_29 + 1;
+ alpn[0].size = sizeof(H3_ALPN_H3_29) - 2;
+ alpn[1].data = (unsigned char *)H3_ALPN_H3 + 1;
+ alpn[1].size = sizeof(H3_ALPN_H3) - 2;
+
+ gnutls_alpn_set_protocols(qs->ssl, alpn, 2, GNUTLS_ALPN_MANDATORY);
/* set SNI */
gnutls_server_name_set(qs->ssl, GNUTLS_NAME_DNS, hostname, strlen(hostname));