/* * 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 #include #include "putty.h" static const char *null_init(const BackendVtable *, Seat *, Backend **, LogContext *, Conf *, const char *, int, char **, bool, bool); static const char *loop_init(const BackendVtable *, Seat *, Backend **, LogContext *, Conf *, const char *, int, char **, bool, bool); static void null_free(Backend *); static void loop_free(Backend *); static void null_reconfig(Backend *, Conf *); static size_t null_send(Backend *, const char *, size_t); static size_t loop_send(Backend *, const char *, size_t); static size_t null_sendbuffer(Backend *); static void null_size(Backend *, int, int); static void null_special(Backend *, SessionSpecialCode, int); static const SessionSpecial *null_get_specials(Backend *); static int null_connected(Backend *); static int null_exitcode(Backend *); static int null_sendok(Backend *); static int 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 struct BackendVtable null_backend = { null_init, null_free, null_reconfig, null_send, null_sendbuffer, null_size, null_special, null_get_specials, null_connected, null_exitcode, null_sendok, null_ldisc, null_provide_ldisc, null_unthrottle, null_cfg_info, NULL /* test_for_upstream */, "null", "null", -1, 0 }; const struct BackendVtable loop_backend = { loop_init, loop_free, null_reconfig, loop_send, null_sendbuffer, null_size, null_special, null_get_specials, null_connected, null_exitcode, null_sendok, null_ldisc, null_provide_ldisc, null_unthrottle, null_cfg_info, NULL /* test_for_upstream */, "loop", "loop", -1, 0 }; struct loop_state { Seat *seat; Backend backend; }; static const char *null_init(const BackendVtable *vt, Seat *seat, Backend **backend_handle, LogContext *logctx, Conf *conf, const char *host, int port, char **realhost, bool nodelay, bool keepalive) { /* No local authentication phase in this protocol */ seat_set_trust_status(seat, false); *backend_handle = NULL; return NULL; } static const 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; *backend_handle = &st->backend; return NULL; } static void null_free(Backend *be) { } 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 size_t null_send(Backend *be, const char *buf, size_t len) { return 0; } static size_t loop_send(Backend *be, const char *buf, size_t len) { struct loop_state *st = container_of(be, struct loop_state, backend); return seat_output(st->seat, 0, buf, len); } static size_t null_sendbuffer(Backend *be) { return 0; } 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 int null_connected(Backend *be) { return 0; } static int null_exitcode(Backend *be) { return 0; } static int null_sendok(Backend *be) { return 1; } static void null_unthrottle(Backend *be, size_t backlog) { } static int null_ldisc(Backend *be, int option) { return 0; } static void null_provide_ldisc (Backend *be, Ldisc *ldisc) { } static int null_cfg_info(Backend *be) { return 0; } /* * Emacs magic: * Local Variables: * c-file-style: "simon" * End: */