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bearssl: improve shutdown handling

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- replace own "adjust_pollset()" with vtls' standard one
- set io_need always accordingly
- handle EAGAIN on shutdown

Closes #14374
This commit is contained in:
Stefan Eissing 2024-08-04 12:56:59 +02:00 committed by Daniel Stenberg
parent ed2850456c
commit 6f19210667
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GPG Key ID: 5CC908FDB71E12C2
1 changed files with 5 additions and 24 deletions
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29
lib/vtls/bearssl.c
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@ -648,28 +648,6 @@ static CURLcode bearssl_connect_step1(struct Curl_cfilter *cf,
return CURLE_OK;
}
static void bearssl_adjust_pollset(struct Curl_cfilter *cf,
struct Curl_easy *data,
struct easy_pollset *ps)
{
if(!cf->connected) {
curl_socket_t sock = Curl_conn_cf_get_socket(cf->next, data);
if(sock != CURL_SOCKET_BAD) {
struct ssl_connect_data *connssl = cf->ctx;
struct bearssl_ssl_backend_data *backend =
(struct bearssl_ssl_backend_data *)connssl->backend;
unsigned state = br_ssl_engine_current_state(&backend->ctx.eng);
if(state & BR_SSL_SENDREC) {
Curl_pollset_set_out_only(data, ps, sock);
}
else {
Curl_pollset_set_in_only(data, ps, sock);
}
}
}
}
static CURLcode bearssl_run_until(struct Curl_cfilter *cf,
struct Curl_easy *data,
unsigned target)
@ -686,6 +664,7 @@ static CURLcode bearssl_run_until(struct Curl_cfilter *cf,
DEBUGASSERT(backend);
connssl->io_need = CURL_SSL_IO_NEED_NONE;
for(;;) {
state = br_ssl_engine_current_state(&backend->ctx.eng);
if(state & BR_SSL_CLOSED) {
@ -1090,8 +1069,10 @@ static CURLcode bearssl_shutdown(struct Curl_cfilter *cf,
if(result == CURLE_OK) {
*done = TRUE;
}
else if(result == CURLE_AGAIN)
else if(result == CURLE_AGAIN) {
CURL_TRC_CF(data, cf, "shutdown EAGAIN, io_need=%x", connssl->io_need);
result = CURLE_OK;
}
else
CURL_TRC_CF(data, cf, "shutdown error: %d", result);
@ -1145,7 +1126,7 @@ const struct Curl_ssl Curl_ssl_bearssl = {
Curl_none_cert_status_request, /* cert_status_request */
bearssl_connect, /* connect */
bearssl_connect_nonblocking, /* connect_nonblocking */
bearssl_adjust_pollset, /* adjust_pollset */
Curl_ssl_adjust_pollset, /* adjust_pollset */
bearssl_get_internals, /* get_internals */
bearssl_close, /* close_one */
Curl_none_close_all, /* close_all */