-/*
+ /*
* nixio - Linux I/O library for lua
*
* Copyright (C) 2009 Steven Barth <steven@midlink.org>
}
static int nixio__tls_sock_pstatus(lua_State *L, SSL *sock, int code) {
- if (code == 1) {
+ if (code > 0) {
lua_pushboolean(L, 1);
return 1;
} else {
return sock->socket;
}
+#ifndef WITH_AXTLS
+#define nixio_tls__check_connected(L) ;
+
+#define nixio_tls__set_connected(L, val) ;
+#else
+#define nixio_tls__check_connected(L) \
+ nixio_tls_sock *ctsock = luaL_checkudata(L, 1, NIXIO_TLS_SOCK_META); \
+ if (!ctsock->connected) { \
+ lua_pushnil(L); \
+ lua_pushinteger(L, 1); \
+ return 2; \
+ }
+
+#define nixio_tls__set_connected(L, val) \
+((nixio_tls_sock*)luaL_checkudata(L, 1, NIXIO_TLS_SOCK_META))->connected = val;
+#endif /* WITH_AXTLS */
+
static int nixio_tls_sock_recv(lua_State *L) {
SSL *sock = nixio__checktlssock(L);
- int req = luaL_checkinteger(L, 2);
+ nixio_tls__check_connected(L);
+ uint req = luaL_checkinteger(L, 2);
luaL_argcheck(L, req >= 0, 2, "out of range");
return 1;
} else {
uint8_t *axbuf;
- size_t axread;
+ int axread;
/* while handshake pending */
while ((axread = ssl_read(sock, &axbuf)) == SSL_OK);
static int nixio_tls_sock_send(lua_State *L) {
SSL *sock = nixio__checktlssock(L);
+ nixio_tls__check_connected(L);
size_t len;
ssize_t sent;
const char *data = luaL_checklstring(L, 2, &len);
+
+ if (lua_gettop(L) > 2) {
+ int offset = luaL_optint(L, 3, 0);
+ if (offset) {
+ if (offset < len) {
+ data += offset;
+ len -= offset;
+ } else {
+ len = 0;
+ }
+ }
+
+ unsigned int wlen = luaL_optint(L, 4, len);
+ if (wlen < len) {
+ len = wlen;
+ }
+ }
+
sent = SSL_write(sock, data, len);
if (sent > 0) {
lua_pushinteger(L, sent);
return 1;
} else {
- return nixio__tls_sock_pstatus(L, sock, len);
+ return nixio__tls_sock_pstatus(L, sock, sent);
}
}
static int nixio_tls_sock_accept(lua_State *L) {
SSL *sock = nixio__checktlssock(L);
- return nixio__tls_sock_pstatus(L, sock, SSL_accept(sock));
+ const int stat = SSL_accept(sock);
+ nixio_tls__set_connected(L, stat == 1);
+ return nixio__tls_sock_pstatus(L, sock, stat);
}
static int nixio_tls_sock_connect(lua_State *L) {
SSL *sock = nixio__checktlssock(L);
- return nixio__tls_sock_pstatus(L, sock, SSL_connect(sock));
+ const int stat = SSL_connect(sock);
+ nixio_tls__set_connected(L, stat == 1);
+ return nixio__tls_sock_pstatus(L, sock, stat);
}
static int nixio_tls_sock_shutdown(lua_State *L) {
SSL *sock = nixio__checktlssock(L);
+ nixio_tls__set_connected(L, 0);
return nixio__tls_sock_pstatus(L, sock, SSL_shutdown(sock));
}