1 files changed, 200 insertions, 0 deletions
diff --git a/otherbackends/testback.c b/otherbackends/testback.c
new file mode 100644
index 00000000..f46d1d98
--- /dev/null
+++ b/otherbackends/testback.c
@@ -0,0 +1,200 @@
+/*
+ * Copyright (c) 1999 Simon Tatham
+ * Copyright (c) 1999 Ben Harris
+ * All rights reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+/* PuTTY test backends */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "putty.h"
+
+static char *loop_init(const BackendVtable *, Seat *, Backend **, LogContext *,
+                       Conf *, const char *, int, char **, bool, bool);
+static void loop_free(Backend *);
+static void null_reconfig(Backend *, Conf *);
+static void null_send(Backend *, const char *, size_t);
+static void loop_send(Backend *, const char *, size_t);
+static size_t null_sendbuffer(Backend *);
+static size_t loop_sendbuffer(Backend *);
+static void null_size(Backend *, int, int);
+static void null_special(Backend *, SessionSpecialCode, int);
+static const SessionSpecial *null_get_specials(Backend *);
+static bool null_connected(Backend *);
+static int null_exitcode(Backend *);
+static bool null_sendok(Backend *);
+static bool null_ldisc(Backend *, int);
+static void null_provide_ldisc(Backend *, Ldisc *);
+static void null_unthrottle(Backend *, size_t);
+static int null_cfg_info(Backend *);
+
+const BackendVtable null_backend = {
+    .init = loop_init,
+    .free = loop_free,
+    .reconfig = null_reconfig,
+    .send = null_send,
+    .sendbuffer = null_sendbuffer,
+    .size = null_size,
+    .special = null_special,
+    .get_specials = null_get_specials,
+    .connected = null_connected,
+    .exitcode = null_exitcode,
+    .sendok = null_sendok,
+    .ldisc_option_state = null_ldisc,
+    .provide_ldisc = null_provide_ldisc,
+    .unthrottle = null_unthrottle,
+    .cfg_info = null_cfg_info,
+    .id = "null",
+    .displayname_tc = "Null",
+    .displayname_lc = "null",
+    .protocol = -1,
+    .default_port = 0,
+};
+
+const BackendVtable loop_backend = {
+    .init = loop_init,
+    .free = loop_free,
+    .reconfig = null_reconfig,
+    .send = loop_send,
+    .sendbuffer = loop_sendbuffer,
+    .size = null_size,
+    .special = null_special,
+    .get_specials = null_get_specials,
+    .connected = null_connected,
+    .exitcode = null_exitcode,
+    .sendok = null_sendok,
+    .ldisc_option_state = null_ldisc,
+    .provide_ldisc = null_provide_ldisc,
+    .unthrottle = null_unthrottle,
+    .cfg_info = null_cfg_info,
+    .id = "loop",
+    .displayname_tc = "Loop",
+    .displayname_lc = "loop",
+    .protocol = -1,
+    .default_port = 0,
+};
+
+struct loop_state {
+    Seat *seat;
+    Backend backend;
+    size_t sendbuffer;
+};
+
+static char *loop_init(const BackendVtable *vt, Seat *seat,
+                       Backend **backend_handle, LogContext *logctx,
+                       Conf *conf, const char *host, int port,
+                       char **realhost, bool nodelay, bool keepalive) {
+    struct loop_state *st = snew(struct loop_state);
+
+    /* No local authentication phase in this protocol */
+    seat_set_trust_status(seat, false);
+
+    st->seat = seat;
+    st->backend.vt = vt;
+    *backend_handle = &st->backend;
+
+    *realhost = dupstr(host);
+
+    return NULL;
+}
+
+static void loop_free(Backend *be)
+{
+    struct loop_state *st = container_of(be, struct loop_state, backend);
+
+    sfree(st);
+}
+
+static void null_reconfig(Backend *be, Conf *conf) {
+
+}
+
+static void null_send(Backend *be, const char *buf, size_t len) {
+
+}
+
+static void loop_send(Backend *be, const char *buf, size_t len) {
+    struct loop_state *st = container_of(be, struct loop_state, backend);
+
+    st->sendbuffer = seat_output(st->seat, 0, buf, len);
+}
+
+static size_t null_sendbuffer(Backend *be) {
+
+    return 0;
+}
+
+static size_t loop_sendbuffer(Backend *be) {
+    struct loop_state *st = container_of(be, struct loop_state, backend);
+
+    return st->sendbuffer;
+}
+
+static void null_size(Backend *be, int width, int height) {
+
+}
+
+static void null_special(Backend *be, SessionSpecialCode code, int arg) {
+
+}
+
+static const SessionSpecial *null_get_specials (Backend *be) {
+
+    return NULL;
+}
+
+static bool null_connected(Backend *be) {
+
+    return false;
+}
+
+static int null_exitcode(Backend *be) {
+
+    return 0;
+}
+
+static bool null_sendok(Backend *be) {
+
+    return true;
+}
+
+static void null_unthrottle(Backend *be, size_t backlog) {
+
+}
+
+static bool null_ldisc(Backend *be, int option) {
+
+    return false;
+}
+
+static void null_provide_ldisc (Backend *be, Ldisc *ldisc) {
+
+}
+
+static int null_cfg_info(Backend *be)
+{
+    return 0;
+}