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curl/lib/vquic/quiche.c

896 строки
25 KiB
C
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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#ifdef USE_QUICHE
#include <quiche.h>
#include <openssl/err.h>
#include <openssl/ssl.h>
#include "urldata.h"
#include "sendf.h"
#include "strdup.h"
#include "rand.h"
#include "quic.h"
#include "strcase.h"
#include "multiif.h"
#include "connect.h"
#include "strerror.h"
#include "vquic.h"
#include "transfer.h"
#include "h2h3.h"
#include "vtls/openssl.h"
#include "vtls/keylog.h"
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
#include "curl_memory.h"
#include "memdebug.h"
#define DEBUG_HTTP3
/* #define DEBUG_QUICHE */
#ifdef DEBUG_HTTP3
#define H3BUGF(x) x
#else
#define H3BUGF(x) do { } while(0)
#endif
#define QUIC_MAX_STREAMS (256*1024)
#define QUIC_MAX_DATA (1*1024*1024)
#define QUIC_IDLE_TIMEOUT (60 * 1000) /* milliseconds */
static CURLcode process_ingress(struct Curl_easy *data,
curl_socket_t sockfd,
struct quicsocket *qs);
static CURLcode flush_egress(struct Curl_easy *data, curl_socket_t sockfd,
struct quicsocket *qs);
static CURLcode http_request(struct Curl_easy *data, const void *mem,
size_t len);
static Curl_recv h3_stream_recv;
static Curl_send h3_stream_send;
static int quiche_getsock(struct Curl_easy *data,
struct connectdata *conn, curl_socket_t *socks)
{
struct SingleRequest *k = &data->req;
int bitmap = GETSOCK_BLANK;
socks[0] = conn->sock[FIRSTSOCKET];
/* in an HTTP/2 connection we can basically always get a frame so we should
always be ready for one */
bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
/* we're still uploading or the HTTP/2 layer wants to send data */
if((k->keepon & (KEEP_SEND|KEEP_SEND_PAUSE)) == KEEP_SEND)
bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
return bitmap;
}
static CURLcode qs_disconnect(struct Curl_easy *data,
struct quicsocket *qs)
{
DEBUGASSERT(qs);
if(qs->conn) {
(void)quiche_conn_close(qs->conn, TRUE, 0, NULL, 0);
/* flushing the egress is not a failsafe way to deliver all the
outstanding packets, but we also don't want to get stuck here... */
(void)flush_egress(data, qs->sockfd, qs);
quiche_conn_free(qs->conn);
qs->conn = NULL;
}
if(qs->h3config)
quiche_h3_config_free(qs->h3config);
if(qs->h3c)
quiche_h3_conn_free(qs->h3c);
if(qs->cfg) {
quiche_config_free(qs->cfg);
qs->cfg = NULL;
}
return CURLE_OK;
}
static CURLcode quiche_disconnect(struct Curl_easy *data,
struct connectdata *conn,
bool dead_connection)
{
struct quicsocket *qs = conn->quic;
(void)dead_connection;
return qs_disconnect(data, qs);
}
void Curl_quic_disconnect(struct Curl_easy *data,
struct connectdata *conn,
int tempindex)
{
if(conn->transport == TRNSPRT_QUIC)
qs_disconnect(data, &conn->hequic[tempindex]);
}
static unsigned int quiche_conncheck(struct Curl_easy *data,
struct connectdata *conn,
unsigned int checks_to_perform)
{
(void)data;
(void)conn;
(void)checks_to_perform;
return CONNRESULT_NONE;
}
static CURLcode quiche_do(struct Curl_easy *data, bool *done)
{
struct HTTP *stream = data->req.p.http;
stream->h3req = FALSE; /* not sent */
return Curl_http(data, done);
}
static const struct Curl_handler Curl_handler_http3 = {
"HTTPS", /* scheme */
ZERO_NULL, /* setup_connection */
quiche_do, /* do_it */
Curl_http_done, /* done */
ZERO_NULL, /* do_more */
ZERO_NULL, /* connect_it */
ZERO_NULL, /* connecting */
ZERO_NULL, /* doing */
quiche_getsock, /* proto_getsock */
quiche_getsock, /* doing_getsock */
ZERO_NULL, /* domore_getsock */
quiche_getsock, /* perform_getsock */
quiche_disconnect, /* disconnect */
ZERO_NULL, /* readwrite */
quiche_conncheck, /* connection_check */
ZERO_NULL, /* attach connection */
PORT_HTTP, /* defport */
CURLPROTO_HTTPS, /* protocol */
CURLPROTO_HTTP, /* family */
PROTOPT_SSL | PROTOPT_STREAM /* flags */
};
#ifdef DEBUG_QUICHE
static void quiche_debug_log(const char *line, void *argp)
{
(void)argp;
fprintf(stderr, "%s\n", line);
}
#endif
static void keylog_callback(const SSL *ssl, const char *line)
{
(void)ssl;
Curl_tls_keylog_write_line(line);
}
static SSL_CTX *quic_ssl_ctx(struct Curl_easy *data)
{
SSL_CTX *ssl_ctx = SSL_CTX_new(TLS_method());
SSL_CTX_set_alpn_protos(ssl_ctx,
(const uint8_t *)QUICHE_H3_APPLICATION_PROTOCOL,
sizeof(QUICHE_H3_APPLICATION_PROTOCOL) - 1);
SSL_CTX_set_default_verify_paths(ssl_ctx);
/* Open the file if a TLS or QUIC backend has not done this before. */
Curl_tls_keylog_open();
if(Curl_tls_keylog_enabled()) {
SSL_CTX_set_keylog_callback(ssl_ctx, keylog_callback);
}
{
struct connectdata *conn = data->conn;
if(conn->ssl_config.verifypeer) {
const char * const ssl_cafile = conn->ssl_config.CAfile;
const char * const ssl_capath = conn->ssl_config.CApath;
if(ssl_cafile || ssl_capath) {
SSL_CTX_set_verify(ssl_ctx, SSL_VERIFY_PEER, NULL);
/* tell OpenSSL where to find CA certificates that are used to verify
the server's certificate. */
if(!SSL_CTX_load_verify_locations(ssl_ctx, ssl_cafile, ssl_capath)) {
/* Fail if we insist on successfully verifying the server. */
failf(data, "error setting certificate verify locations:"
" CAfile: %s CApath: %s",
ssl_cafile ? ssl_cafile : "none",
ssl_capath ? ssl_capath : "none");
return NULL;
}
infof(data, " CAfile: %s", ssl_cafile ? ssl_cafile : "none");
infof(data, " CApath: %s", ssl_capath ? ssl_capath : "none");
}
#ifdef CURL_CA_FALLBACK
else {
/* verifying the peer without any CA certificates won't work so
use openssl's built-in default as fallback */
SSL_CTX_set_default_verify_paths(ssl_ctx);
}
#endif
}
}
return ssl_ctx;
}
static int quic_init_ssl(struct quicsocket *qs, struct connectdata *conn)
{
/* this will need some attention when HTTPS proxy over QUIC get fixed */
const char * const hostname = conn->host.name;
DEBUGASSERT(!qs->ssl);
qs->ssl = SSL_new(qs->sslctx);
SSL_set_app_data(qs->ssl, qs);
/* set SNI */
SSL_set_tlsext_host_name(qs->ssl, hostname);
return 0;
}
CURLcode Curl_quic_connect(struct Curl_easy *data,
struct connectdata *conn, curl_socket_t sockfd,
int sockindex,
const struct sockaddr *addr, socklen_t addrlen)
{
CURLcode result;
struct quicsocket *qs = &conn->hequic[sockindex];
char ipbuf[40];
int port;
int rv;
#ifdef DEBUG_QUICHE
/* initialize debug log callback only once */
static int debug_log_init = 0;
if(!debug_log_init) {
quiche_enable_debug_logging(quiche_debug_log, NULL);
debug_log_init = 1;
}
#endif
(void)addr;
(void)addrlen;
qs->sockfd = sockfd;
qs->cfg = quiche_config_new(QUICHE_PROTOCOL_VERSION);
if(!qs->cfg) {
failf(data, "can't create quiche config");
return CURLE_FAILED_INIT;
}
quiche_config_set_max_idle_timeout(qs->cfg, QUIC_IDLE_TIMEOUT);
quiche_config_set_initial_max_data(qs->cfg, QUIC_MAX_DATA);
quiche_config_set_initial_max_stream_data_bidi_local(qs->cfg, QUIC_MAX_DATA);
quiche_config_set_initial_max_stream_data_bidi_remote(qs->cfg,
QUIC_MAX_DATA);
quiche_config_set_initial_max_stream_data_uni(qs->cfg, QUIC_MAX_DATA);
quiche_config_set_initial_max_streams_bidi(qs->cfg, QUIC_MAX_STREAMS);
quiche_config_set_initial_max_streams_uni(qs->cfg, QUIC_MAX_STREAMS);
quiche_config_set_application_protos(qs->cfg,
(uint8_t *)
QUICHE_H3_APPLICATION_PROTOCOL,
sizeof(QUICHE_H3_APPLICATION_PROTOCOL)
- 1);
qs->sslctx = quic_ssl_ctx(data);
if(!qs->sslctx)
return CURLE_QUIC_CONNECT_ERROR;
if(quic_init_ssl(qs, conn))
return CURLE_QUIC_CONNECT_ERROR;
result = Curl_rand(data, qs->scid, sizeof(qs->scid));
if(result)
return result;
qs->local_addrlen = sizeof(qs->local_addr);
rv = getsockname(sockfd, (struct sockaddr *)&qs->local_addr,
&qs->local_addrlen);
if(rv == -1)
return CURLE_QUIC_CONNECT_ERROR;
qs->conn = quiche_conn_new_with_tls((const uint8_t *) qs->scid,
sizeof(qs->scid), NULL, 0,
(struct sockaddr *)&qs->local_addr,
qs->local_addrlen, addr, addrlen,
qs->cfg, qs->ssl, false);
if(!qs->conn) {
failf(data, "can't create quiche connection");
return CURLE_OUT_OF_MEMORY;
}
/* Known to not work on Windows */
#if !defined(WIN32) && defined(HAVE_QUICHE_CONN_SET_QLOG_FD)
{
int qfd;
(void)Curl_qlogdir(data, qs->scid, sizeof(qs->scid), &qfd);
if(qfd != -1)
quiche_conn_set_qlog_fd(qs->conn, qfd,
"qlog title", "curl qlog");
}
#endif
result = flush_egress(data, sockfd, qs);
if(result)
return result;
/* extract the used address as a string */
if(!Curl_addr2string((struct sockaddr*)addr, addrlen, ipbuf, &port)) {
char buffer[STRERROR_LEN];
failf(data, "ssrem inet_ntop() failed with errno %d: %s",
SOCKERRNO, Curl_strerror(SOCKERRNO, buffer, sizeof(buffer)));
return CURLE_BAD_FUNCTION_ARGUMENT;
}
infof(data, "Connect socket %d over QUIC to %s:%ld",
sockfd, ipbuf, port);
Curl_persistconninfo(data, conn, NULL, -1);
/* for connection reuse purposes: */
conn->ssl[FIRSTSOCKET].state = ssl_connection_complete;
{
unsigned char alpn_protocols[] = QUICHE_H3_APPLICATION_PROTOCOL;
unsigned alpn_len, offset = 0;
/* Replace each ALPN length prefix by a comma. */
while(offset < sizeof(alpn_protocols) - 1) {
alpn_len = alpn_protocols[offset];
alpn_protocols[offset] = ',';
offset += 1 + alpn_len;
}
infof(data, "Sent QUIC client Initial, ALPN: %s",
alpn_protocols + 1);
}
return CURLE_OK;
}
static CURLcode quiche_has_connected(struct Curl_easy *data,
struct connectdata *conn,
int sockindex,
int tempindex)
{
CURLcode result;
struct quicsocket *qs = conn->quic = &conn->hequic[tempindex];
conn->recv[sockindex] = h3_stream_recv;
conn->send[sockindex] = h3_stream_send;
conn->handler = &Curl_handler_http3;
conn->bits.multiplex = TRUE; /* at least potentially multiplexed */
conn->httpversion = 30;
conn->bundle->multiuse = BUNDLE_MULTIPLEX;
if(conn->ssl_config.verifyhost) {
X509 *server_cert;
server_cert = SSL_get_peer_certificate(qs->ssl);
if(!server_cert) {
return CURLE_PEER_FAILED_VERIFICATION;
}
result = Curl_ossl_verifyhost(data, conn, server_cert);
X509_free(server_cert);
if(result)
return result;
infof(data, "Verified certificate just fine");
}
else
infof(data, "Skipped certificate verification");
qs->h3config = quiche_h3_config_new();
if(!qs->h3config)
return CURLE_OUT_OF_MEMORY;
/* Create a new HTTP/3 connection on the QUIC connection. */
qs->h3c = quiche_h3_conn_new_with_transport(qs->conn, qs->h3config);
if(!qs->h3c) {
result = CURLE_OUT_OF_MEMORY;
goto fail;
}
if(conn->hequic[1-tempindex].cfg) {
qs = &conn->hequic[1-tempindex];
quiche_config_free(qs->cfg);
quiche_conn_free(qs->conn);
qs->cfg = NULL;
qs->conn = NULL;
}
if(data->set.ssl.certinfo)
/* asked to gather certificate info */
(void)Curl_ossl_certchain(data, qs->ssl);
return CURLE_OK;
fail:
quiche_h3_config_free(qs->h3config);
quiche_h3_conn_free(qs->h3c);
return result;
}
/*
* This function gets polled to check if this QUIC connection has connected.
*/
CURLcode Curl_quic_is_connected(struct Curl_easy *data,
struct connectdata *conn,
int sockindex,
bool *done)
{
CURLcode result;
struct quicsocket *qs = &conn->hequic[sockindex];
curl_socket_t sockfd = conn->tempsock[sockindex];
result = process_ingress(data, sockfd, qs);
if(result)
goto error;
result = flush_egress(data, sockfd, qs);
if(result)
goto error;
if(quiche_conn_is_established(qs->conn)) {
*done = TRUE;
result = quiche_has_connected(data, conn, 0, sockindex);
DEBUGF(infof(data, "quiche established connection"));
}
return result;
error:
qs_disconnect(data, qs);
return result;
}
static CURLcode process_ingress(struct Curl_easy *data, int sockfd,
struct quicsocket *qs)
{
ssize_t recvd;
uint8_t *buf = (uint8_t *)data->state.buffer;
size_t bufsize = data->set.buffer_size;
struct sockaddr_storage from;
socklen_t from_len;
quiche_recv_info recv_info;
DEBUGASSERT(qs->conn);
/* in case the timeout expired */
quiche_conn_on_timeout(qs->conn);
do {
from_len = sizeof(from);
recvd = recvfrom(sockfd, buf, bufsize, 0,
(struct sockaddr *)&from, &from_len);
if((recvd < 0) && ((SOCKERRNO == EAGAIN) || (SOCKERRNO == EWOULDBLOCK)))
break;
if(recvd < 0) {
failf(data, "quiche: recvfrom() unexpectedly returned %zd "
"(errno: %d, socket %d)", recvd, SOCKERRNO, sockfd);
return CURLE_RECV_ERROR;
}
recv_info.from = (struct sockaddr *) &from;
recv_info.from_len = from_len;
recv_info.to = (struct sockaddr *) &qs->local_addr;
recv_info.to_len = qs->local_addrlen;
recvd = quiche_conn_recv(qs->conn, buf, recvd, &recv_info);
if(recvd == QUICHE_ERR_DONE)
break;
if(recvd < 0) {
if(QUICHE_ERR_TLS_FAIL == recvd) {
long verify_ok = SSL_get_verify_result(qs->ssl);
if(verify_ok != X509_V_OK) {
failf(data, "SSL certificate problem: %s",
X509_verify_cert_error_string(verify_ok));
return CURLE_PEER_FAILED_VERIFICATION;
}
}
failf(data, "quiche_conn_recv() == %zd", recvd);
return CURLE_RECV_ERROR;
}
} while(1);
return CURLE_OK;
}
/*
* flush_egress drains the buffers and sends off data.
* Calls failf() on errors.
*/
static CURLcode flush_egress(struct Curl_easy *data, int sockfd,
struct quicsocket *qs)
{
ssize_t sent;
uint8_t out[1200];
int64_t timeout_ns;
quiche_send_info send_info;
do {
sent = quiche_conn_send(qs->conn, out, sizeof(out), &send_info);
if(sent == QUICHE_ERR_DONE)
break;
if(sent < 0) {
failf(data, "quiche_conn_send returned %zd", sent);
return CURLE_SEND_ERROR;
}
sent = send(sockfd, out, sent, 0);
if(sent < 0) {
failf(data, "send() returned %zd", sent);
return CURLE_SEND_ERROR;
}
} while(1);
/* time until the next timeout event, as nanoseconds. */
timeout_ns = quiche_conn_timeout_as_nanos(qs->conn);
if(timeout_ns)
/* expire uses milliseconds */
Curl_expire(data, (timeout_ns + 999999) / 1000000, EXPIRE_QUIC);
return CURLE_OK;
}
struct h3h1header {
char *dest;
size_t destlen; /* left to use */
size_t nlen; /* used */
};
static int cb_each_header(uint8_t *name, size_t name_len,
uint8_t *value, size_t value_len,
void *argp)
{
struct h3h1header *headers = (struct h3h1header *)argp;
size_t olen = 0;
if((name_len == 7) && !strncmp(H2H3_PSEUDO_STATUS, (char *)name, 7)) {
msnprintf(headers->dest,
headers->destlen, "HTTP/3 %.*s\n",
(int) value_len, value);
}
else if(!headers->nlen) {
return CURLE_HTTP3;
}
else {
msnprintf(headers->dest,
headers->destlen, "%.*s: %.*s\n",
(int)name_len, name, (int) value_len, value);
}
olen = strlen(headers->dest);
headers->destlen -= olen;
headers->nlen += olen;
headers->dest += olen;
return 0;
}
static ssize_t h3_stream_recv(struct Curl_easy *data,
int sockindex,
char *buf,
size_t buffersize,
CURLcode *curlcode)
{
ssize_t recvd = -1;
ssize_t rcode;
struct connectdata *conn = data->conn;
struct quicsocket *qs = conn->quic;
curl_socket_t sockfd = conn->sock[sockindex];
quiche_h3_event *ev;
int rc;
struct h3h1header headers;
struct HTTP *stream = data->req.p.http;
headers.dest = buf;
headers.destlen = buffersize;
headers.nlen = 0;
if(process_ingress(data, sockfd, qs)) {
infof(data, "h3_stream_recv returns on ingress");
*curlcode = CURLE_RECV_ERROR;
return -1;
}
if(qs->h3_recving) {
/* body receiving state */
rcode = quiche_h3_recv_body(qs->h3c, qs->conn, stream->stream3_id,
(unsigned char *)buf, buffersize);
if(rcode <= 0) {
recvd = -1;
qs->h3_recving = FALSE;
/* fall through into the while loop below */
}
else
recvd = rcode;
}
while(recvd < 0) {
int64_t s = quiche_h3_conn_poll(qs->h3c, qs->conn, &ev);
if(s < 0)
/* nothing more to do */
break;
if(s != stream->stream3_id) {
/* another transfer, ignore for now */
infof(data, "Got h3 for stream %u, expects %u",
s, stream->stream3_id);
continue;
}
switch(quiche_h3_event_type(ev)) {
case QUICHE_H3_EVENT_HEADERS:
rc = quiche_h3_event_for_each_header(ev, cb_each_header, &headers);
if(rc) {
*curlcode = rc;
failf(data, "Error in HTTP/3 response header");
break;
}
recvd = headers.nlen;
break;
case QUICHE_H3_EVENT_DATA:
if(!stream->firstbody) {
/* add a header-body separator CRLF */
buf[0] = '\r';
buf[1] = '\n';
buf += 2;
buffersize -= 2;
stream->firstbody = TRUE;
recvd = 2; /* two bytes already */
}
else
recvd = 0;
rcode = quiche_h3_recv_body(qs->h3c, qs->conn, s, (unsigned char *)buf,
buffersize);
if(rcode <= 0) {
recvd = -1;
break;
}
qs->h3_recving = TRUE;
recvd += rcode;
break;
case QUICHE_H3_EVENT_RESET:
streamclose(conn, "Stream reset");
*curlcode = CURLE_PARTIAL_FILE;
return -1;
case QUICHE_H3_EVENT_FINISHED:
streamclose(conn, "End of stream");
recvd = 0; /* end of stream */
break;
default:
break;
}
quiche_h3_event_free(ev);
}
if(flush_egress(data, sockfd, qs)) {
*curlcode = CURLE_SEND_ERROR;
return -1;
}
*curlcode = (-1 == recvd)? CURLE_AGAIN : CURLE_OK;
if(recvd >= 0)
/* Get this called again to drain the event queue */
Curl_expire(data, 0, EXPIRE_QUIC);
data->state.drain = (recvd >= 0) ? 1 : 0;
return recvd;
}
static ssize_t h3_stream_send(struct Curl_easy *data,
int sockindex,
const void *mem,
size_t len,
CURLcode *curlcode)
{
ssize_t sent;
struct connectdata *conn = data->conn;
struct quicsocket *qs = conn->quic;
curl_socket_t sockfd = conn->sock[sockindex];
struct HTTP *stream = data->req.p.http;
if(!stream->h3req) {
CURLcode result = http_request(data, mem, len);
if(result) {
*curlcode = CURLE_SEND_ERROR;
return -1;
}
sent = len;
}
else {
sent = quiche_h3_send_body(qs->h3c, qs->conn, stream->stream3_id,
(uint8_t *)mem, len, FALSE);
if(sent == QUICHE_H3_ERR_DONE) {
sent = 0;
}
else if(sent < 0) {
*curlcode = CURLE_SEND_ERROR;
return -1;
}
}
if(flush_egress(data, sockfd, qs)) {
*curlcode = CURLE_SEND_ERROR;
return -1;
}
*curlcode = CURLE_OK;
return sent;
}
/*
* Store quiche version info in this buffer.
*/
void Curl_quic_ver(char *p, size_t len)
{
(void)msnprintf(p, len, "quiche/%s", quiche_version());
}
/* Index where :authority header field will appear in request header
field list. */
#define AUTHORITY_DST_IDX 3
static CURLcode http_request(struct Curl_easy *data, const void *mem,
size_t len)
{
struct connectdata *conn = data->conn;
struct HTTP *stream = data->req.p.http;
size_t nheader;
int64_t stream3_id;
quiche_h3_header *nva = NULL;
struct quicsocket *qs = conn->quic;
CURLcode result = CURLE_OK;
struct h2h3req *hreq = NULL;
stream->h3req = TRUE; /* senf off! */
result = Curl_pseudo_headers(data, mem, len, &hreq);
if(result)
goto fail;
nheader = hreq->entries;
nva = malloc(sizeof(quiche_h3_header) * nheader);
if(!nva) {
result = CURLE_OUT_OF_MEMORY;
goto fail;
}
else {
unsigned int i;
for(i = 0; i < nheader; i++) {
nva[i].name = (unsigned char *)hreq->header[i].name;
nva[i].name_len = hreq->header[i].namelen;
nva[i].value = (unsigned char *)hreq->header[i].value;
nva[i].value_len = hreq->header[i].valuelen;
}
}
switch(data->state.httpreq) {
case HTTPREQ_POST:
case HTTPREQ_POST_FORM:
case HTTPREQ_POST_MIME:
case HTTPREQ_PUT:
if(data->state.infilesize != -1)
stream->upload_left = data->state.infilesize;
else
/* data sending without specifying the data amount up front */
stream->upload_left = -1; /* unknown, but not zero */
stream3_id = quiche_h3_send_request(qs->h3c, qs->conn, nva, nheader,
stream->upload_left ? FALSE: TRUE);
if((stream3_id >= 0) && data->set.postfields) {
ssize_t sent = quiche_h3_send_body(qs->h3c, qs->conn, stream3_id,
(uint8_t *)data->set.postfields,
stream->upload_left, TRUE);
if(sent <= 0) {
failf(data, "quiche_h3_send_body failed");
result = CURLE_SEND_ERROR;
}
stream->upload_left = 0; /* nothing left to send */
}
break;
default:
stream3_id = quiche_h3_send_request(qs->h3c, qs->conn, nva, nheader,
TRUE);
break;
}
Curl_safefree(nva);
if(stream3_id < 0) {
H3BUGF(infof(data, "quiche_h3_send_request returned %d",
stream3_id));
result = CURLE_SEND_ERROR;
goto fail;
}
infof(data, "Using HTTP/3 Stream ID: %x (easy handle %p)",
stream3_id, (void *)data);
stream->stream3_id = stream3_id;
Curl_pseudo_free(hreq);
return CURLE_OK;
fail:
free(nva);
Curl_pseudo_free(hreq);
return result;
}
/*
* Called from transfer.c:done_sending when we stop HTTP/3 uploading.
*/
CURLcode Curl_quic_done_sending(struct Curl_easy *data)
{
struct connectdata *conn = data->conn;
DEBUGASSERT(conn);
if(conn->handler == &Curl_handler_http3) {
/* only for HTTP/3 transfers */
ssize_t sent;
struct HTTP *stream = data->req.p.http;
struct quicsocket *qs = conn->quic;
stream->upload_done = TRUE;
sent = quiche_h3_send_body(qs->h3c, qs->conn, stream->stream3_id,
NULL, 0, TRUE);
if(sent < 0)
return CURLE_SEND_ERROR;
}
return CURLE_OK;
}
/*
* Called from http.c:Curl_http_done when a request completes.
*/
void Curl_quic_done(struct Curl_easy *data, bool premature)
{
(void)data;
(void)premature;
}
/*
* Called from transfer.c:data_pending to know if we should keep looping
* to receive more data from the connection.
*/
bool Curl_quic_data_pending(const struct Curl_easy *data)
{
(void)data;
return FALSE;
}
/*
* Called from transfer.c:Curl_readwrite when neither HTTP level read
* nor write is performed. It is a good place to handle timer expiry
* for QUIC transport.
*/
CURLcode Curl_quic_idle(struct Curl_easy *data)
{
(void)data;
return CURLE_OK;
}
#endif
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