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/*
* 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 *null_init(const BackendVtable *, Seat *, Backend **, LogContext *,
Conf *, const char *, int, char **, bool, bool);
static 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 BackendVtable null_backend = {
.init = null_init,
.free = null_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 = "null",
.protocol = -1,
.default_port = 0,
};
const BackendVtable loop_backend = {
.init = loop_init,
.free = loop_free,
.reconfig = null_reconfig,
.send = loop_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 = "loop",
.displayname = "loop",
.protocol = -1,
.default_port = 0,
};
struct loop_state {
Seat *seat;
Backend backend;
};
static 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 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:
*/
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