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(-) telnet/telnet.c.orig (-5 / +25 lines)
 Lines 1131-1136    Link Here  

        

        
unsigned char slc_reply[128];
unsigned char slc_reply[128];

            

              
              
unsigned char const * const slc_reply_eom = &slc_reply[sizeof(slc_reply)];

            

        
unsigned char *slc_replyp;
unsigned char *slc_replyp;

        

        
	void
	void

  

    

    

       Lines 1146-1151
       
    
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	void
	void

        
slc_add_reply(unsigned char func, unsigned char flags, cc_t value)
slc_add_reply(unsigned char func, unsigned char flags, cc_t value)

        
{
{

            

              
              
       /* A sequence of up to 6 bytes my be written for this member of the SLC

            

            

              
              
        * suboption list by this function.  The end of negotiation command,

            

            

              
              
        * which is written by slc_end_reply(), will require 2 additional

            

            

              
              
        * bytes.  Do not proceed unless there is sufficient space for these

            

            

              
              
        * items.

            

            

              
              
        */

            

            

              
              
	if (&slc_replyp[6+2] > slc_reply_eom)

            

            

              
              
		return;

            

        
	if ((*slc_replyp++ = func) == IAC)
	if ((*slc_replyp++ = func) == IAC)

        
		*slc_replyp++ = IAC;
		*slc_replyp++ = IAC;

        
	if ((*slc_replyp++ = flags) == IAC)
	if ((*slc_replyp++ = flags) == IAC)

  

    

    

       Lines 1159-1164
       
    
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{
{

        
    int len;
    int len;

        

            

              
              
	/* The end of negotiation command requires 2 bytes. */

            

            

              
              
	if (&slc_replyp[2] > slc_reply_eom)

            

            

              
              
		return;

            

            

              
              

            

        
    *slc_replyp++ = IAC;
    *slc_replyp++ = IAC;

        
    *slc_replyp++ = SE;
    *slc_replyp++ = SE;

        
    len = slc_replyp - slc_reply;
    len = slc_replyp - slc_reply;

  

    

    

       Lines 1236-1243
       
    
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	}
	}

        
}
}

        

            

              
#define	OPT_REPLY_SIZE	256

              
#define	OPT_REPLY_SIZE	(2 * SUBBUFSIZE)

            

            

              
unsigned char *opt_reply;

              
unsigned char *opt_reply = NULL;

            

        
unsigned char *opt_replyp;
unsigned char *opt_replyp;

        
unsigned char *opt_replyend;
unsigned char *opt_replyend;

        

  

    

    

       Lines 1298-1305
       
    
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		return;
		return;

        
	}
	}

        
	vp = env_getvalue(ep);
	vp = env_getvalue(ep);

            

              
	if (opt_replyp + (vp ? strlen((char *)vp) : 0) +

              
        if (opt_replyp + (vp ? 2 * strlen((char *)vp) : 0) +

            

            

              
				strlen((char *)ep) + 6 > opt_replyend)

              
                                2 * strlen((char *)ep) + 6 > opt_replyend)

            

        
	{
	{

        
		int len;
		int len;

        
		unsigned char *p;
		unsigned char *p;

  

    

    

       Lines 1323-1328
       
    
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		*opt_replyp++ = ENV_USERVAR;
		*opt_replyp++ = ENV_USERVAR;

        
	for (;;) {
	for (;;) {

        
		while ((c = *ep++)) {
		while ((c = *ep++)) {

            

              
              
			if (opt_replyp + (2 + 2) > opt_replyend)

            

            

              
              
				return;

            

        
			switch(c&0xff) {
			switch(c&0xff) {

        
			case IAC:
			case IAC:

        
				*opt_replyp++ = IAC;
				*opt_replyp++ = IAC;

  

    

    

       Lines 1337-1342
       
    
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			*opt_replyp++ = c;
			*opt_replyp++ = c;

        
		}
		}

        
		if ((ep = vp)) {
		if ((ep = vp)) {

            

              
              
	                if (opt_replyp + (1 + 2 + 2) > opt_replyend)

            

            

              
              
				return;

            

        
		  *opt_replyp++ = ENV_VALUE;
		  *opt_replyp++ = ENV_VALUE;

        
		  vp = NULL;
		  vp = NULL;

        
		} else
		} else

  

    

    

       Lines 1361-1367
       
    
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{
{

        
	int len;
	int len;

        

            

              
	len = opt_replyp - opt_reply + 2;

              
	if (opt_replyp + 2 > opt_replyend)

            

            

              

              
		return;

            

            

              

              
	len = opt_replyp + 2 - opt_reply;

            

            

              

              

            

        
	if (emptyok || len > 6) {
	if (emptyok || len > 6) {

        
		*opt_replyp++ = IAC;
		*opt_replyp++ = IAC;

        
		*opt_replyp++ = SE;
		*opt_replyp++ = SE;