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Update TLS state machine

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This commit is contained in:
Zhi Guan
2026-06-12 13:28:10 +08:00
parent fb93fba5ff
commit 6f42fdf31f
6 changed files with 195 additions and 111 deletions
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54
tools/tls13_server.c
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@@ -52,6 +52,53 @@ static const char *help =
"\n";
static int set_socket_nonblocking(tls_socket_t sock)
{
#ifdef WIN32
u_long mode = 1;
if (ioctlsocket(sock, FIONBIO, &mode) != 0) {
error_print();
return -1;
}
#else
int flags;
if ((flags = fcntl(sock, F_GETFL)) < 0
|| fcntl(sock, F_SETFL, flags | O_NONBLOCK) < 0) {
error_print();
return -1;
}
#endif
return 1;
}
static int do_handshake_select(TLS_CONNECT *conn)
{
int ret;
fd_set rfds;
fd_set wfds;
for (;;) {
ret = tls_do_handshake(conn);
if (ret == 1) {
return 1;
}
FD_ZERO(&rfds);
FD_ZERO(&wfds);
if (ret == TLS_ERROR_RECV_AGAIN) {
FD_SET(conn->sock, &rfds);
} else if (ret == TLS_ERROR_SEND_AGAIN) {
FD_SET(conn->sock, &wfds);
} else {
error_print();
return -1;
}
if (select((int)(conn->sock + 1), &rfds, &wfds, NULL, NULL) < 0) {
error_print();
return -1;
}
}
}
int tls13_server_main(int argc , char **argv)
{
@@ -468,6 +515,11 @@ bad:
goto end;
}
if (set_socket_nonblocking(conn_sock) != 1) {
error_print();
goto end;
}
// pre_shared_key from external
if (psk_keys_cnt) {
@@ -511,7 +563,7 @@ bad:
tls13_enable_pre_shared_key(&conn, 1);
}
if (tls_do_handshake(&conn) != 1) {
if (do_handshake_select(&conn) != 1) {
error_print();
goto end;
}