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nghttpx: Support h3-29

This commit is contained in:
Tatsuhiro Tsujikawa 2021-09-26 15:59:57 +09:00
parent 886dc93f18
commit 19b4da6401
1 changed files with 16 additions and 10 deletions
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26
src/shrpx_tls.cc
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@ -703,20 +703,26 @@ namespace {
int quic_alpn_select_proto_cb(SSL *ssl, const unsigned char **out,
unsigned char *outlen, const unsigned char *in,
unsigned int inlen, void *arg) {
for (auto p = in, end = in + inlen; p < end;) {
auto proto_id = p + 1;
auto proto_len = *p;
constexpr StringRef alpnlist[] = {
StringRef::from_lit("h3"),
StringRef::from_lit("h3-29"),
};
if (proto_id + proto_len <= end &&
util::streq_l("h3", StringRef{proto_id, proto_len})) {
for (auto &alpn : alpnlist) {
for (auto p = in, end = in + inlen; p < end;) {
auto proto_id = p + 1;
auto proto_len = *p;
*out = reinterpret_cast<const unsigned char *>(proto_id);
*outlen = proto_len;
if (alpn.size() == proto_len &&
memcmp(alpn.byte(), proto_id, alpn.size()) == 0) {
*out = proto_id;
*outlen = proto_len;
return SSL_TLSEXT_ERR_OK;
return SSL_TLSEXT_ERR_OK;
}
p += 1 + proto_len;
}
p += 1 + proto_len;
}
return SSL_TLSEXT_ERR_ALERT_FATAL;