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ngtcp2: fix build with current ngtcp2 master implementing draft 28 

Based on client.cc changes from ngtcp2. Tested with current git master,
ngtcp2 commit c77d5731ce92, nghttp3 commit 65ff479d4380.

Fixes #5444
Closes #5443
This commit is contained in:
Peter Wu 2020-05-23 15:41:25 +02:00
parent 82a33efb33
commit 54d122287c
2 changed files with 24 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/altsvc.c
View File

@ -50,8 +50,10 @@
#define MAX_ALTSVC_ALPNLENSTR "10"
#define MAX_ALTSVC_ALPNLEN 10
#if (defined(USE_QUICHE) || defined(USE_NGTCP2)) && !defined(UNITTESTS)
#if defined(USE_QUICHE) && !defined(UNITTESTS)
#define H3VERSION "h3-27"
#elif defined(USE_NGTCP2) && !defined(UNITTESTS)
#define H3VERSION "h3-28"
#else
#define H3VERSION "h3"
#endif

108
lib/vquic/ngtcp2.c
View File

@ -149,18 +149,6 @@ quic_from_gtls_level(gnutls_record_encryption_level_t gtls_level)
}
#endif
static int setup_initial_crypto_context(struct quicsocket *qs)
{
const ngtcp2_cid *dcid = ngtcp2_conn_get_dcid(qs->qconn);
if(ngtcp2_crypto_derive_and_install_initial_key(
qs->qconn, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
dcid) != 0)
return -1;
return 0;
}
static void qlog_callback(void *user_data, const void *data, size_t datalen)
{
struct quicsocket *qs = (struct quicsocket *)user_data;
@ -176,8 +164,7 @@ static void qlog_callback(void *user_data, const void *data, size_t datalen)
}
static void quic_settings(struct quicsocket *qs,
uint64_t stream_buffer_size,
ngtcp2_cid *dcid)
uint64_t stream_buffer_size)
{
ngtcp2_settings *s = &qs->settings;
ngtcp2_settings_default(s);
@ -196,7 +183,6 @@ static void quic_settings(struct quicsocket *qs,
s->transport_params.max_idle_timeout = QUIC_IDLE_TIMEOUT;
if(qs->qlogfd != -1) {
s->qlog.write = qlog_callback;
s->qlog.odcid = *dcid;
}
}
@ -293,13 +279,12 @@ static int quic_set_encryption_secrets(SSL *ssl,
struct quicsocket *qs = (struct quicsocket *)SSL_get_app_data(ssl);
int level = quic_from_ossl_level(ossl_level);
if(level != NGTCP2_CRYPTO_LEVEL_EARLY &&
ngtcp2_crypto_derive_and_install_rx_key(
qs->qconn, ssl, NULL, NULL, NULL, level, rx_secret, secretlen) != 0)
if(ngtcp2_crypto_derive_and_install_rx_key(
qs->qconn, NULL, NULL, NULL, level, rx_secret, secretlen) != 0)
return 0;
if(ngtcp2_crypto_derive_and_install_tx_key(
qs->qconn, ssl, NULL, NULL, NULL, level, tx_secret, secretlen) != 0)
qs->qconn, NULL, NULL, NULL, level, tx_secret, secretlen) != 0)
return 0;
if(level == NGTCP2_CRYPTO_LEVEL_APP) {
@ -394,8 +379,8 @@ static int quic_init_ssl(struct quicsocket *qs)
switch(qs->version) {
#ifdef NGTCP2_PROTO_VER
case NGTCP2_PROTO_VER:
alpn = (const uint8_t *)NGTCP2_ALPN_H3;
alpnlen = sizeof(NGTCP2_ALPN_H3) - 1;
alpn = (const uint8_t *)NGHTTP3_ALPN_H3;
alpnlen = sizeof(NGHTTP3_ALPN_H3) - 1;
break;
#endif
}
@ -417,11 +402,11 @@ static int secret_func(gnutls_session_t ssl,
if(level != NGTCP2_CRYPTO_LEVEL_EARLY &&
ngtcp2_crypto_derive_and_install_rx_key(
qs->qconn, ssl, NULL, NULL, NULL, level, rx_secret, secretlen) != 0)
qs->qconn, NULL, NULL, NULL, level, rx_secret, secretlen) != 0)
return 0;
if(ngtcp2_crypto_derive_and_install_tx_key(
qs->qconn, ssl, NULL, NULL, NULL, level, tx_secret, secretlen) != 0)
qs->qconn, NULL, NULL, NULL, level, tx_secret, secretlen) != 0)
return 0;
if(level == NGTCP2_CRYPTO_LEVEL_APP) {
@ -579,9 +564,9 @@ static int quic_init_ssl(struct quicsocket *qs)
switch(qs->version) {
#ifdef NGTCP2_PROTO_VER
case NGTCP2_PROTO_VER:
/* strip the first byte from NGTCP2_ALPN_H3 */
alpn.data = (unsigned char *)NGTCP2_ALPN_H3 + 1;
alpn.size = sizeof(NGTCP2_ALPN_H3) - 2;
/* strip the first byte (the length) from NGHTTP3_ALPN_H3 */
alpn.data = (unsigned char *)NGHTTP3_ALPN_H3 + 1;
alpn.size = sizeof(NGHTTP3_ALPN_H3) - 2;
break;
#endif
}
@ -594,27 +579,16 @@ static int quic_init_ssl(struct quicsocket *qs)
}
#endif
static int cb_initial(ngtcp2_conn *quic, void *user_data)
{
struct quicsocket *qs = (struct quicsocket *)user_data;
if(ngtcp2_crypto_read_write_crypto_data(
quic, qs->ssl, NGTCP2_CRYPTO_LEVEL_INITIAL, NULL, 0) != 0)
return NGTCP2_ERR_CALLBACK_FAILURE;
return 0;
}
static int
cb_recv_crypto_data(ngtcp2_conn *tconn, ngtcp2_crypto_level crypto_level,
uint64_t offset,
const uint8_t *data, size_t datalen,
void *user_data)
{
struct quicsocket *qs = (struct quicsocket *)user_data;
(void)offset;
(void)user_data;
if(ngtcp2_crypto_read_write_crypto_data(tconn, qs->ssl, crypto_level, data,
if(ngtcp2_crypto_read_write_crypto_data(tconn, crypto_level, data,
datalen) != 0)
return NGTCP2_ERR_CRYPTO;
@ -732,20 +706,6 @@ static int cb_stream_reset(ngtcp2_conn *tconn, int64_t stream_id,
return 0;
}
static int cb_recv_retry(ngtcp2_conn *tconn, const ngtcp2_pkt_hd *hd,
const ngtcp2_pkt_retry *retry, void *user_data)
{
/* Re-generate handshake secrets here because connection ID might change. */
struct quicsocket *qs = (struct quicsocket *)user_data;
(void)tconn;
(void)hd;
(void)retry;
setup_initial_crypto_context(qs);
return 0;
}
static int cb_extend_max_local_streams_bidi(ngtcp2_conn *tconn,
uint64_t max_streams,
void *user_data)
@ -798,7 +758,7 @@ static int cb_get_new_connection_id(ngtcp2_conn *tconn, ngtcp2_cid *cid,
}
static ngtcp2_conn_callbacks ng_callbacks = {
cb_initial,
ngtcp2_crypto_client_initial_cb,
NULL, /* recv_client_initial */
cb_recv_crypto_data,
cb_handshake_completed,
@ -812,7 +772,7 @@ static ngtcp2_conn_callbacks ng_callbacks = {
NULL, /* stream_open */
cb_stream_close,
NULL, /* recv_stateless_reset */
cb_recv_retry,
ngtcp2_crypto_recv_retry_cb,
cb_extend_max_local_streams_bidi,
NULL, /* extend_max_local_streams_uni */
NULL, /* rand */
@ -847,11 +807,6 @@ CURLcode Curl_quic_connect(struct connectdata *conn,
char ipbuf[40];
long port;
int qfd;
#ifdef USE_OPENSSL
uint8_t paramsbuf[64];
ngtcp2_transport_params params;
ssize_t nwrite;
#endif
qs->conn = conn;
@ -888,7 +843,7 @@ CURLcode Curl_quic_connect(struct connectdata *conn,
(void)Curl_qlogdir(data, qs->scid.data, NGTCP2_MAX_CIDLEN, &qfd);
qs->qlogfd = qfd; /* -1 if failure above */
quic_settings(qs, data->set.buffer_size, &qs->dcid);
quic_settings(qs, data->set.buffer_size);
qs->local_addrlen = sizeof(qs->local_addr);
rv = getsockname(sockfd, (struct sockaddr *)&qs->local_addr,
@ -910,24 +865,7 @@ CURLcode Curl_quic_connect(struct connectdata *conn,
if(rc)
return CURLE_QUIC_CONNECT_ERROR;
#ifdef USE_OPENSSL
ngtcp2_conn_get_local_transport_params(qs->qconn, &params);
nwrite = ngtcp2_encode_transport_params(
paramsbuf, sizeof(paramsbuf), NGTCP2_TRANSPORT_PARAMS_TYPE_CLIENT_HELLO,
&params);
if(nwrite < 0) {
failf(data, "ngtcp2_encode_transport_params: %s\n",
ngtcp2_strerror((int)nwrite));
return CURLE_QUIC_CONNECT_ERROR;
}
if(!SSL_set_quic_transport_params(qs->ssl, paramsbuf, nwrite))
return CURLE_QUIC_CONNECT_ERROR;
#endif
rc = setup_initial_crypto_context(qs);
if(rc)
return CURLE_QUIC_CONNECT_ERROR;
ngtcp2_conn_set_tls_native_handle(qs->qconn, qs->ssl);
return CURLE_OK;
}
@ -1888,6 +1826,7 @@ static CURLcode ng_flush_egress(struct connectdata *conn, int sockfd,
if(outlen < 0) {
if(outlen == NGTCP2_ERR_STREAM_DATA_BLOCKED ||
outlen == NGTCP2_ERR_STREAM_SHUT_WR) {
assert(ndatalen == -1);
rv = nghttp3_conn_block_stream(qs->h3conn, stream_id);
if(rv != 0) {
failf(conn->data,
@ -1910,19 +1849,14 @@ static CURLcode ng_flush_egress(struct connectdata *conn, int sockfd,
continue;
}
else {
assert(ndatalen == -1);
failf(conn->data, "ngtcp2_conn_writev_stream returned error: %s\n",
ngtcp2_strerror((int)outlen));
return CURLE_SEND_ERROR;
}
}
else if(ndatalen >= 0) {
rv = nghttp3_conn_add_write_offset(qs->h3conn, stream_id, ndatalen);
if(rv != 0) {
failf(conn->data,
"nghttp3_conn_add_write_offset returned error: %s\n",
nghttp3_strerror(rv));
return CURLE_SEND_ERROR;
}
else {
assert(ndatalen == -1);
}
}
}