133 lines
3.0 KiB
C++
133 lines
3.0 KiB
C++
/*
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* Copyright (c) 1995, 1996, 1997 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* $Id: Option.cpp,v 1.1.1.1 2000/06/16 18:46:22 thorpej Exp $ */
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//
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//
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// Option
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//
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//
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#include <string.h>
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#include "Telnet.h"
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#include "TelnetCodes.h"
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#include "Option.h"
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#include "TelnetEngine.h"
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// State variable values
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Option::Option (CharStream *str, TelnetEngine* engine, unsigned char opt)
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{
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option = opt;
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stream = str;
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pTEngine = engine;;
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// Initialize state variables
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}
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Option::~Option ()
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{
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}
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/*short
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Option::OptionFor (unsigned char opt)
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{
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return option == opt;
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}
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*/
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void
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Option::SendReply (void *buff, short len)
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{
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pTEngine->Send ((char *)buff, len);
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}
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short
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Option::ReadToIACSE ()
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{
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unsigned char c;
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while (1) {
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if (!stream->GetChar (&c))
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return 1;
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if (c == IAC) {
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if (!stream->GetChar (&c))
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return 1;
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if (c == SE)
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break;
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}
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}
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return 0;
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}
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void
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Option::SendWILL ()
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{
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unsigned char buff[3];
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buff[0] = IAC;
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buff[1] = WILL;
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buff[2] = option;
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SendReply (buff, 3);
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}
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void
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Option::PadBinaryBuff (unsigned char *in, unsigned long *inLen,
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unsigned char *out, unsigned long *outLen)
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{
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unsigned long i;
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int len = 0;
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for (i = 0; i < *inLen; i++) {
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if (*in == IAC) {
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*out++ = IAC;
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len++;
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}
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*out++ = *in++;
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}
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*outLen = *inLen + len;
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}
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Option::Option(void)
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{
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}
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// Override in subclasses if needed.
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//void Option::ExecOption(unsigned int Command) {}
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