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ngtcp2: specify the missing required callback functions

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Closes #7929
This commit is contained in:
Tatsuhiro Tsujikawa 2021-10-31 22:38:44 +09:00 committed by Daniel Stenberg
parent 407392b424
commit e05c08687f
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 16 additions and 2 deletions
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18
lib/vquic/ngtcp2.c
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@ -647,6 +647,20 @@ static int cb_extend_max_stream_data(ngtcp2_conn *tconn, int64_t stream_id,
return 0;
}
static void cb_rand(uint8_t *dest, size_t destlen,
const ngtcp2_rand_ctx *rand_ctx)
{
CURLcode result;
(void)rand_ctx;
result = Curl_rand(NULL, dest, destlen);
if(result) {
/* cb_rand is only used for non-cryptographic context. If Curl_rand
failed, just fill 0 and call it *random*. */
memset(dest, 0, destlen);
}
}
static int cb_get_new_connection_id(ngtcp2_conn *tconn, ngtcp2_cid *cid,
uint8_t *token, size_t cidlen,
void *user_data)
@ -684,7 +698,7 @@ static ngtcp2_callbacks ng_callbacks = {
ngtcp2_crypto_recv_retry_cb,
cb_extend_max_local_streams_bidi,
NULL, /* extend_max_local_streams_uni */
NULL, /* rand */
cb_rand,
cb_get_new_connection_id,
NULL, /* remove_connection_id */
ngtcp2_crypto_update_key_cb, /* update_key */
@ -702,7 +716,7 @@ static ngtcp2_callbacks ng_callbacks = {
NULL, /* recv_datagram */
NULL, /* ack_datagram */
NULL, /* lost_datagram */
NULL, /* get_path_challenge_data */
ngtcp2_crypto_get_path_challenge_data_cb,
cb_stream_stop_sending
};