012b940383
Also remove useless AUTHENTICATION code. We have never compiled this here, and it is doubtful that it even works without crypto.
808 lines
19 KiB
C
808 lines
19 KiB
C
/*
|
||
* Copyright (c) 1988, 1993
|
||
* The Regents of the University of California. All rights reserved.
|
||
*
|
||
* Redistribution and use in source and binary forms, with or without
|
||
* modification, are permitted provided that the following conditions
|
||
* are met:
|
||
* 1. Redistributions of source code must retain the above copyright
|
||
* notice, this list of conditions and the following disclaimer.
|
||
* 2. Redistributions in binary form must reproduce the above copyright
|
||
* notice, this list of conditions and the following disclaimer in the
|
||
* documentation and/or other materials provided with the distribution.
|
||
* 3. All advertising materials mentioning features or use of this software
|
||
* must display the following acknowledgement:
|
||
* This product includes software developed by the University of
|
||
* California, Berkeley and its contributors.
|
||
* 4. Neither the name of the University nor the names of its contributors
|
||
* may be used to endorse or promote products derived from this software
|
||
* without specific prior written permission.
|
||
*
|
||
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
* SUCH DAMAGE.
|
||
*/
|
||
|
||
#ifndef lint
|
||
#if 0
|
||
static const char sccsid[] = "@(#)utilities.c 8.3 (Berkeley) 5/30/95";
|
||
#else
|
||
static const char rcsid[] =
|
||
"$FreeBSD$";
|
||
#endif
|
||
#endif /* not lint */
|
||
|
||
#define TELOPTS
|
||
#define TELCMDS
|
||
#define SLC_NAMES
|
||
#include <arpa/telnet.h>
|
||
#include <sys/types.h>
|
||
#include <sys/socket.h>
|
||
#include <sys/time.h>
|
||
#include <ctype.h>
|
||
#include <unistd.h>
|
||
|
||
#include "general.h"
|
||
|
||
#include "fdset.h"
|
||
|
||
#include "ring.h"
|
||
|
||
#include "defines.h"
|
||
|
||
#include "externs.h"
|
||
|
||
FILE *NetTrace = 0; /* Not in bss, since needs to stay */
|
||
int prettydump;
|
||
|
||
/*
|
||
* upcase()
|
||
*
|
||
* Upcase (in place) the argument.
|
||
*/
|
||
|
||
void
|
||
upcase(argument)
|
||
register char *argument;
|
||
{
|
||
register int c;
|
||
|
||
while ((c = *argument) != 0) {
|
||
if (islower(c)) {
|
||
*argument = toupper(c);
|
||
}
|
||
argument++;
|
||
}
|
||
}
|
||
|
||
/*
|
||
* SetSockOpt()
|
||
*
|
||
* Compensate for differences in 4.2 and 4.3 systems.
|
||
*/
|
||
|
||
int
|
||
SetSockOpt(fd, level, option, yesno)
|
||
int fd, level, option, yesno;
|
||
{
|
||
#ifndef NOT43
|
||
return setsockopt(fd, level, option,
|
||
(char *)&yesno, sizeof yesno);
|
||
#else /* NOT43 */
|
||
if (yesno == 0) { /* Can't do that in 4.2! */
|
||
fprintf(stderr, "Error: attempt to turn off an option 0x%x.\n",
|
||
option);
|
||
return -1;
|
||
}
|
||
return setsockopt(fd, level, option, 0, 0);
|
||
#endif /* NOT43 */
|
||
}
|
||
|
||
/*
|
||
* The following are routines used to print out debugging information.
|
||
*/
|
||
|
||
unsigned char NetTraceFile[256] = "(standard output)";
|
||
|
||
void
|
||
SetNetTrace(file)
|
||
register char *file;
|
||
{
|
||
if (NetTrace && NetTrace != stdout)
|
||
fclose(NetTrace);
|
||
if (file && (strcmp(file, "-") != 0)) {
|
||
NetTrace = fopen(file, "w");
|
||
if (NetTrace) {
|
||
strcpy((char *)NetTraceFile, file);
|
||
return;
|
||
}
|
||
fprintf(stderr, "Cannot open %s.\n", file);
|
||
}
|
||
NetTrace = stdout;
|
||
strcpy((char *)NetTraceFile, "(standard output)");
|
||
}
|
||
|
||
void
|
||
Dump(direction, buffer, length)
|
||
char direction;
|
||
unsigned char *buffer;
|
||
int length;
|
||
{
|
||
# define BYTES_PER_LINE 32
|
||
# define min(x,y) ((x<y)? x:y)
|
||
unsigned char *pThis;
|
||
int offset;
|
||
|
||
offset = 0;
|
||
|
||
while (length) {
|
||
/* print one line */
|
||
fprintf(NetTrace, "%c 0x%x\t", direction, offset);
|
||
pThis = buffer;
|
||
if (prettydump) {
|
||
buffer = buffer + min(length, BYTES_PER_LINE/2);
|
||
while (pThis < buffer) {
|
||
fprintf(NetTrace, "%c%.2x",
|
||
(((*pThis)&0xff) == 0xff) ? '*' : ' ',
|
||
(*pThis)&0xff);
|
||
pThis++;
|
||
}
|
||
length -= BYTES_PER_LINE/2;
|
||
offset += BYTES_PER_LINE/2;
|
||
} else {
|
||
buffer = buffer + min(length, BYTES_PER_LINE);
|
||
while (pThis < buffer) {
|
||
fprintf(NetTrace, "%.2x", (*pThis)&0xff);
|
||
pThis++;
|
||
}
|
||
length -= BYTES_PER_LINE;
|
||
offset += BYTES_PER_LINE;
|
||
}
|
||
if (NetTrace == stdout) {
|
||
fprintf(NetTrace, "\r\n");
|
||
} else {
|
||
fprintf(NetTrace, "\n");
|
||
}
|
||
if (length < 0) {
|
||
fflush(NetTrace);
|
||
return;
|
||
}
|
||
/* find next unique line */
|
||
}
|
||
fflush(NetTrace);
|
||
}
|
||
|
||
|
||
void
|
||
printoption(direction, cmd, option)
|
||
char *direction;
|
||
int cmd, option;
|
||
{
|
||
if (!showoptions)
|
||
return;
|
||
if (cmd == IAC) {
|
||
if (TELCMD_OK(option))
|
||
fprintf(NetTrace, "%s IAC %s", direction, TELCMD(option));
|
||
else
|
||
fprintf(NetTrace, "%s IAC %d", direction, option);
|
||
} else {
|
||
register char *fmt;
|
||
fmt = (cmd == WILL) ? "WILL" : (cmd == WONT) ? "WONT" :
|
||
(cmd == DO) ? "DO" : (cmd == DONT) ? "DONT" : 0;
|
||
if (fmt) {
|
||
fprintf(NetTrace, "%s %s ", direction, fmt);
|
||
if (TELOPT_OK(option))
|
||
fprintf(NetTrace, "%s", TELOPT(option));
|
||
else if (option == TELOPT_EXOPL)
|
||
fprintf(NetTrace, "EXOPL");
|
||
else
|
||
fprintf(NetTrace, "%d", option);
|
||
} else
|
||
fprintf(NetTrace, "%s %d %d", direction, cmd, option);
|
||
}
|
||
if (NetTrace == stdout) {
|
||
fprintf(NetTrace, "\r\n");
|
||
fflush(NetTrace);
|
||
} else {
|
||
fprintf(NetTrace, "\n");
|
||
}
|
||
return;
|
||
}
|
||
|
||
void
|
||
optionstatus()
|
||
{
|
||
register int i;
|
||
extern char will_wont_resp[], do_dont_resp[];
|
||
|
||
for (i = 0; i < 256; i++) {
|
||
if (do_dont_resp[i]) {
|
||
if (TELOPT_OK(i))
|
||
printf("resp DO_DONT %s: %d\n", TELOPT(i), do_dont_resp[i]);
|
||
else if (TELCMD_OK(i))
|
||
printf("resp DO_DONT %s: %d\n", TELCMD(i), do_dont_resp[i]);
|
||
else
|
||
printf("resp DO_DONT %d: %d\n", i,
|
||
do_dont_resp[i]);
|
||
if (my_want_state_is_do(i)) {
|
||
if (TELOPT_OK(i))
|
||
printf("want DO %s\n", TELOPT(i));
|
||
else if (TELCMD_OK(i))
|
||
printf("want DO %s\n", TELCMD(i));
|
||
else
|
||
printf("want DO %d\n", i);
|
||
} else {
|
||
if (TELOPT_OK(i))
|
||
printf("want DONT %s\n", TELOPT(i));
|
||
else if (TELCMD_OK(i))
|
||
printf("want DONT %s\n", TELCMD(i));
|
||
else
|
||
printf("want DONT %d\n", i);
|
||
}
|
||
} else {
|
||
if (my_state_is_do(i)) {
|
||
if (TELOPT_OK(i))
|
||
printf(" DO %s\n", TELOPT(i));
|
||
else if (TELCMD_OK(i))
|
||
printf(" DO %s\n", TELCMD(i));
|
||
else
|
||
printf(" DO %d\n", i);
|
||
}
|
||
}
|
||
if (will_wont_resp[i]) {
|
||
if (TELOPT_OK(i))
|
||
printf("resp WILL_WONT %s: %d\n", TELOPT(i), will_wont_resp[i]);
|
||
else if (TELCMD_OK(i))
|
||
printf("resp WILL_WONT %s: %d\n", TELCMD(i), will_wont_resp[i]);
|
||
else
|
||
printf("resp WILL_WONT %d: %d\n",
|
||
i, will_wont_resp[i]);
|
||
if (my_want_state_is_will(i)) {
|
||
if (TELOPT_OK(i))
|
||
printf("want WILL %s\n", TELOPT(i));
|
||
else if (TELCMD_OK(i))
|
||
printf("want WILL %s\n", TELCMD(i));
|
||
else
|
||
printf("want WILL %d\n", i);
|
||
} else {
|
||
if (TELOPT_OK(i))
|
||
printf("want WONT %s\n", TELOPT(i));
|
||
else if (TELCMD_OK(i))
|
||
printf("want WONT %s\n", TELCMD(i));
|
||
else
|
||
printf("want WONT %d\n", i);
|
||
}
|
||
} else {
|
||
if (my_state_is_will(i)) {
|
||
if (TELOPT_OK(i))
|
||
printf(" WILL %s\n", TELOPT(i));
|
||
else if (TELCMD_OK(i))
|
||
printf(" WILL %s\n", TELCMD(i));
|
||
else
|
||
printf(" WILL %d\n", i);
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
void
|
||
printsub(direction, pointer, length)
|
||
char direction; /* '<' or '>' */
|
||
unsigned char *pointer; /* where suboption data sits */
|
||
int length; /* length of suboption data */
|
||
{
|
||
register int i;
|
||
char buf[512];
|
||
extern int want_status_response;
|
||
|
||
if (showoptions || direction == 0 ||
|
||
(want_status_response && (pointer[0] == TELOPT_STATUS))) {
|
||
if (direction) {
|
||
fprintf(NetTrace, "%s IAC SB ",
|
||
(direction == '<')? "RCVD":"SENT");
|
||
if (length >= 3) {
|
||
register int j;
|
||
|
||
i = pointer[length-2];
|
||
j = pointer[length-1];
|
||
|
||
if (i != IAC || j != SE) {
|
||
fprintf(NetTrace, "(terminated by ");
|
||
if (TELOPT_OK(i))
|
||
fprintf(NetTrace, "%s ", TELOPT(i));
|
||
else if (TELCMD_OK(i))
|
||
fprintf(NetTrace, "%s ", TELCMD(i));
|
||
else
|
||
fprintf(NetTrace, "%d ", i);
|
||
if (TELOPT_OK(j))
|
||
fprintf(NetTrace, "%s", TELOPT(j));
|
||
else if (TELCMD_OK(j))
|
||
fprintf(NetTrace, "%s", TELCMD(j));
|
||
else
|
||
fprintf(NetTrace, "%d", j);
|
||
fprintf(NetTrace, ", not IAC SE!) ");
|
||
}
|
||
}
|
||
length -= 2;
|
||
}
|
||
if (length < 1) {
|
||
fprintf(NetTrace, "(Empty suboption??\?)");
|
||
if (NetTrace == stdout)
|
||
fflush(NetTrace);
|
||
return;
|
||
}
|
||
switch (pointer[0]) {
|
||
case TELOPT_TTYPE:
|
||
fprintf(NetTrace, "TERMINAL-TYPE ");
|
||
switch (pointer[1]) {
|
||
case TELQUAL_IS:
|
||
fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2);
|
||
break;
|
||
case TELQUAL_SEND:
|
||
fprintf(NetTrace, "SEND");
|
||
break;
|
||
default:
|
||
fprintf(NetTrace,
|
||
"- unknown qualifier %d (0x%x).",
|
||
pointer[1], pointer[1]);
|
||
}
|
||
break;
|
||
case TELOPT_TSPEED:
|
||
fprintf(NetTrace, "TERMINAL-SPEED");
|
||
if (length < 2) {
|
||
fprintf(NetTrace, " (empty suboption??\?)");
|
||
break;
|
||
}
|
||
switch (pointer[1]) {
|
||
case TELQUAL_IS:
|
||
fprintf(NetTrace, " IS ");
|
||
fprintf(NetTrace, "%.*s", length-2, (char *)pointer+2);
|
||
break;
|
||
default:
|
||
if (pointer[1] == 1)
|
||
fprintf(NetTrace, " SEND");
|
||
else
|
||
fprintf(NetTrace, " %d (unknown)", pointer[1]);
|
||
for (i = 2; i < length; i++)
|
||
fprintf(NetTrace, " ?%d?", pointer[i]);
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case TELOPT_LFLOW:
|
||
fprintf(NetTrace, "TOGGLE-FLOW-CONTROL");
|
||
if (length < 2) {
|
||
fprintf(NetTrace, " (empty suboption??\?)");
|
||
break;
|
||
}
|
||
switch (pointer[1]) {
|
||
case LFLOW_OFF:
|
||
fprintf(NetTrace, " OFF"); break;
|
||
case LFLOW_ON:
|
||
fprintf(NetTrace, " ON"); break;
|
||
case LFLOW_RESTART_ANY:
|
||
fprintf(NetTrace, " RESTART-ANY"); break;
|
||
case LFLOW_RESTART_XON:
|
||
fprintf(NetTrace, " RESTART-XON"); break;
|
||
default:
|
||
fprintf(NetTrace, " %d (unknown)", pointer[1]);
|
||
}
|
||
for (i = 2; i < length; i++)
|
||
fprintf(NetTrace, " ?%d?", pointer[i]);
|
||
break;
|
||
|
||
case TELOPT_NAWS:
|
||
fprintf(NetTrace, "NAWS");
|
||
if (length < 2) {
|
||
fprintf(NetTrace, " (empty suboption??\?)");
|
||
break;
|
||
}
|
||
if (length == 2) {
|
||
fprintf(NetTrace, " ?%d?", pointer[1]);
|
||
break;
|
||
}
|
||
fprintf(NetTrace, " %d %d (%d)",
|
||
pointer[1], pointer[2],
|
||
(int)((((unsigned int)pointer[1])<<8)|((unsigned int)pointer[2])));
|
||
if (length == 4) {
|
||
fprintf(NetTrace, " ?%d?", pointer[3]);
|
||
break;
|
||
}
|
||
fprintf(NetTrace, " %d %d (%d)",
|
||
pointer[3], pointer[4],
|
||
(int)((((unsigned int)pointer[3])<<8)|((unsigned int)pointer[4])));
|
||
for (i = 5; i < length; i++)
|
||
fprintf(NetTrace, " ?%d?", pointer[i]);
|
||
break;
|
||
|
||
|
||
|
||
case TELOPT_LINEMODE:
|
||
fprintf(NetTrace, "LINEMODE ");
|
||
if (length < 2) {
|
||
fprintf(NetTrace, " (empty suboption??\?)");
|
||
break;
|
||
}
|
||
switch (pointer[1]) {
|
||
case WILL:
|
||
fprintf(NetTrace, "WILL ");
|
||
goto common;
|
||
case WONT:
|
||
fprintf(NetTrace, "WONT ");
|
||
goto common;
|
||
case DO:
|
||
fprintf(NetTrace, "DO ");
|
||
goto common;
|
||
case DONT:
|
||
fprintf(NetTrace, "DONT ");
|
||
common:
|
||
if (length < 3) {
|
||
fprintf(NetTrace, "(no option??\?)");
|
||
break;
|
||
}
|
||
switch (pointer[2]) {
|
||
case LM_FORWARDMASK:
|
||
fprintf(NetTrace, "Forward Mask");
|
||
for (i = 3; i < length; i++)
|
||
fprintf(NetTrace, " %x", pointer[i]);
|
||
break;
|
||
default:
|
||
fprintf(NetTrace, "%d (unknown)", pointer[2]);
|
||
for (i = 3; i < length; i++)
|
||
fprintf(NetTrace, " %d", pointer[i]);
|
||
break;
|
||
}
|
||
break;
|
||
|
||
case LM_SLC:
|
||
fprintf(NetTrace, "SLC");
|
||
for (i = 2; i < length - 2; i += 3) {
|
||
if (SLC_NAME_OK(pointer[i+SLC_FUNC]))
|
||
fprintf(NetTrace, " %s", SLC_NAME(pointer[i+SLC_FUNC]));
|
||
else
|
||
fprintf(NetTrace, " %d", pointer[i+SLC_FUNC]);
|
||
switch (pointer[i+SLC_FLAGS]&SLC_LEVELBITS) {
|
||
case SLC_NOSUPPORT:
|
||
fprintf(NetTrace, " NOSUPPORT"); break;
|
||
case SLC_CANTCHANGE:
|
||
fprintf(NetTrace, " CANTCHANGE"); break;
|
||
case SLC_VARIABLE:
|
||
fprintf(NetTrace, " VARIABLE"); break;
|
||
case SLC_DEFAULT:
|
||
fprintf(NetTrace, " DEFAULT"); break;
|
||
}
|
||
fprintf(NetTrace, "%s%s%s",
|
||
pointer[i+SLC_FLAGS]&SLC_ACK ? "|ACK" : "",
|
||
pointer[i+SLC_FLAGS]&SLC_FLUSHIN ? "|FLUSHIN" : "",
|
||
pointer[i+SLC_FLAGS]&SLC_FLUSHOUT ? "|FLUSHOUT" : "");
|
||
if (pointer[i+SLC_FLAGS]& ~(SLC_ACK|SLC_FLUSHIN|
|
||
SLC_FLUSHOUT| SLC_LEVELBITS))
|
||
fprintf(NetTrace, "(0x%x)", pointer[i+SLC_FLAGS]);
|
||
fprintf(NetTrace, " %d;", pointer[i+SLC_VALUE]);
|
||
if ((pointer[i+SLC_VALUE] == IAC) &&
|
||
(pointer[i+SLC_VALUE+1] == IAC))
|
||
i++;
|
||
}
|
||
for (; i < length; i++)
|
||
fprintf(NetTrace, " ?%d?", pointer[i]);
|
||
break;
|
||
|
||
case LM_MODE:
|
||
fprintf(NetTrace, "MODE ");
|
||
if (length < 3) {
|
||
fprintf(NetTrace, "(no mode??\?)");
|
||
break;
|
||
}
|
||
{
|
||
char tbuf[64];
|
||
sprintf(tbuf, "%s%s%s%s%s",
|
||
pointer[2]&MODE_EDIT ? "|EDIT" : "",
|
||
pointer[2]&MODE_TRAPSIG ? "|TRAPSIG" : "",
|
||
pointer[2]&MODE_SOFT_TAB ? "|SOFT_TAB" : "",
|
||
pointer[2]&MODE_LIT_ECHO ? "|LIT_ECHO" : "",
|
||
pointer[2]&MODE_ACK ? "|ACK" : "");
|
||
fprintf(NetTrace, "%s", tbuf[1] ? &tbuf[1] : "0");
|
||
}
|
||
if (pointer[2]&~(MODE_MASK))
|
||
fprintf(NetTrace, " (0x%x)", pointer[2]);
|
||
for (i = 3; i < length; i++)
|
||
fprintf(NetTrace, " ?0x%x?", pointer[i]);
|
||
break;
|
||
default:
|
||
fprintf(NetTrace, "%d (unknown)", pointer[1]);
|
||
for (i = 2; i < length; i++)
|
||
fprintf(NetTrace, " %d", pointer[i]);
|
||
}
|
||
break;
|
||
|
||
case TELOPT_STATUS: {
|
||
register char *cp;
|
||
register int j, k;
|
||
|
||
fprintf(NetTrace, "STATUS");
|
||
|
||
switch (pointer[1]) {
|
||
default:
|
||
if (pointer[1] == TELQUAL_SEND)
|
||
fprintf(NetTrace, " SEND");
|
||
else
|
||
fprintf(NetTrace, " %d (unknown)", pointer[1]);
|
||
for (i = 2; i < length; i++)
|
||
fprintf(NetTrace, " ?%d?", pointer[i]);
|
||
break;
|
||
case TELQUAL_IS:
|
||
if (--want_status_response < 0)
|
||
want_status_response = 0;
|
||
if (NetTrace == stdout)
|
||
fprintf(NetTrace, " IS\r\n");
|
||
else
|
||
fprintf(NetTrace, " IS\n");
|
||
|
||
for (i = 2; i < length; i++) {
|
||
switch(pointer[i]) {
|
||
case DO: cp = "DO"; goto common2;
|
||
case DONT: cp = "DONT"; goto common2;
|
||
case WILL: cp = "WILL"; goto common2;
|
||
case WONT: cp = "WONT"; goto common2;
|
||
common2:
|
||
i++;
|
||
if (TELOPT_OK((int)pointer[i]))
|
||
fprintf(NetTrace, " %s %s", cp, TELOPT(pointer[i]));
|
||
else
|
||
fprintf(NetTrace, " %s %d", cp, pointer[i]);
|
||
|
||
if (NetTrace == stdout)
|
||
fprintf(NetTrace, "\r\n");
|
||
else
|
||
fprintf(NetTrace, "\n");
|
||
break;
|
||
|
||
case SB:
|
||
fprintf(NetTrace, " SB ");
|
||
i++;
|
||
j = k = i;
|
||
while (j < length) {
|
||
if (pointer[j] == SE) {
|
||
if (j+1 == length)
|
||
break;
|
||
if (pointer[j+1] == SE)
|
||
j++;
|
||
else
|
||
break;
|
||
}
|
||
pointer[k++] = pointer[j++];
|
||
}
|
||
printsub(0, &pointer[i], k - i);
|
||
if (i < length) {
|
||
fprintf(NetTrace, " SE");
|
||
i = j;
|
||
} else
|
||
i = j - 1;
|
||
|
||
if (NetTrace == stdout)
|
||
fprintf(NetTrace, "\r\n");
|
||
else
|
||
fprintf(NetTrace, "\n");
|
||
|
||
break;
|
||
|
||
default:
|
||
fprintf(NetTrace, " %d", pointer[i]);
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
|
||
case TELOPT_XDISPLOC:
|
||
fprintf(NetTrace, "X-DISPLAY-LOCATION ");
|
||
switch (pointer[1]) {
|
||
case TELQUAL_IS:
|
||
fprintf(NetTrace, "IS \"%.*s\"", length-2, (char *)pointer+2);
|
||
break;
|
||
case TELQUAL_SEND:
|
||
fprintf(NetTrace, "SEND");
|
||
break;
|
||
default:
|
||
fprintf(NetTrace, "- unknown qualifier %d (0x%x).",
|
||
pointer[1], pointer[1]);
|
||
}
|
||
break;
|
||
|
||
case TELOPT_NEW_ENVIRON:
|
||
fprintf(NetTrace, "NEW-ENVIRON ");
|
||
#ifdef OLD_ENVIRON
|
||
goto env_common1;
|
||
case TELOPT_OLD_ENVIRON:
|
||
fprintf(NetTrace, "OLD-ENVIRON");
|
||
env_common1:
|
||
#endif
|
||
switch (pointer[1]) {
|
||
case TELQUAL_IS:
|
||
fprintf(NetTrace, "IS ");
|
||
goto env_common;
|
||
case TELQUAL_SEND:
|
||
fprintf(NetTrace, "SEND ");
|
||
goto env_common;
|
||
case TELQUAL_INFO:
|
||
fprintf(NetTrace, "INFO ");
|
||
env_common:
|
||
{
|
||
register int noquote = 2;
|
||
#if defined(ENV_HACK) && defined(OLD_ENVIRON)
|
||
extern int old_env_var, old_env_value;
|
||
#endif
|
||
for (i = 2; i < length; i++ ) {
|
||
switch (pointer[i]) {
|
||
case NEW_ENV_VALUE:
|
||
#ifdef OLD_ENVIRON
|
||
/* case NEW_ENV_OVAR: */
|
||
if (pointer[0] == TELOPT_OLD_ENVIRON) {
|
||
# ifdef ENV_HACK
|
||
if (old_env_var == OLD_ENV_VALUE)
|
||
fprintf(NetTrace, "\" (VALUE) " + noquote);
|
||
else
|
||
# endif
|
||
fprintf(NetTrace, "\" VAR " + noquote);
|
||
} else
|
||
#endif /* OLD_ENVIRON */
|
||
fprintf(NetTrace, "\" VALUE " + noquote);
|
||
noquote = 2;
|
||
break;
|
||
|
||
case NEW_ENV_VAR:
|
||
#ifdef OLD_ENVIRON
|
||
/* case OLD_ENV_VALUE: */
|
||
if (pointer[0] == TELOPT_OLD_ENVIRON) {
|
||
# ifdef ENV_HACK
|
||
if (old_env_value == OLD_ENV_VAR)
|
||
fprintf(NetTrace, "\" (VAR) " + noquote);
|
||
else
|
||
# endif
|
||
fprintf(NetTrace, "\" VALUE " + noquote);
|
||
} else
|
||
#endif /* OLD_ENVIRON */
|
||
fprintf(NetTrace, "\" VAR " + noquote);
|
||
noquote = 2;
|
||
break;
|
||
|
||
case ENV_ESC:
|
||
fprintf(NetTrace, "\" ESC " + noquote);
|
||
noquote = 2;
|
||
break;
|
||
|
||
case ENV_USERVAR:
|
||
fprintf(NetTrace, "\" USERVAR " + noquote);
|
||
noquote = 2;
|
||
break;
|
||
|
||
default:
|
||
if (isprint(pointer[i]) && pointer[i] != '"') {
|
||
if (noquote) {
|
||
putc('"', NetTrace);
|
||
noquote = 0;
|
||
}
|
||
putc(pointer[i], NetTrace);
|
||
} else {
|
||
fprintf(NetTrace, "\" %03o " + noquote,
|
||
pointer[i]);
|
||
noquote = 2;
|
||
}
|
||
break;
|
||
}
|
||
}
|
||
if (!noquote)
|
||
putc('"', NetTrace);
|
||
break;
|
||
}
|
||
}
|
||
break;
|
||
|
||
default:
|
||
if (TELOPT_OK(pointer[0]))
|
||
fprintf(NetTrace, "%s (unknown)", TELOPT(pointer[0]));
|
||
else
|
||
fprintf(NetTrace, "%d (unknown)", pointer[0]);
|
||
for (i = 1; i < length; i++)
|
||
fprintf(NetTrace, " %d", pointer[i]);
|
||
break;
|
||
}
|
||
if (direction) {
|
||
if (NetTrace == stdout)
|
||
fprintf(NetTrace, "\r\n");
|
||
else
|
||
fprintf(NetTrace, "\n");
|
||
}
|
||
if (NetTrace == stdout)
|
||
fflush(NetTrace);
|
||
}
|
||
}
|
||
|
||
/* EmptyTerminal - called to make sure that the terminal buffer is empty.
|
||
* Note that we consider the buffer to run all the
|
||
* way to the kernel (thus the select).
|
||
*/
|
||
|
||
void
|
||
EmptyTerminal()
|
||
{
|
||
#if defined(unix)
|
||
fd_set o;
|
||
|
||
FD_ZERO(&o);
|
||
#endif /* defined(unix) */
|
||
|
||
if (TTYBYTES() == 0) {
|
||
#if defined(unix)
|
||
FD_SET(tout, &o);
|
||
(void) select(tout+1, (fd_set *) 0, &o, (fd_set *) 0,
|
||
(struct timeval *) 0); /* wait for TTLOWAT */
|
||
#endif /* defined(unix) */
|
||
} else {
|
||
while (TTYBYTES()) {
|
||
(void) ttyflush(0);
|
||
#if defined(unix)
|
||
FD_SET(tout, &o);
|
||
(void) select(tout+1, (fd_set *) 0, &o, (fd_set *) 0,
|
||
(struct timeval *) 0); /* wait for TTLOWAT */
|
||
#endif /* defined(unix) */
|
||
}
|
||
}
|
||
}
|
||
|
||
void
|
||
SetForExit()
|
||
{
|
||
setconnmode(0);
|
||
#if defined(TN3270)
|
||
if (In3270) {
|
||
Finish3270();
|
||
}
|
||
#else /* defined(TN3270) */
|
||
do {
|
||
(void)telrcv(); /* Process any incoming data */
|
||
EmptyTerminal();
|
||
} while (ring_full_count(&netiring)); /* While there is any */
|
||
#endif /* defined(TN3270) */
|
||
setcommandmode();
|
||
fflush(stdout);
|
||
fflush(stderr);
|
||
#if defined(TN3270)
|
||
if (In3270) {
|
||
StopScreen(1);
|
||
}
|
||
#endif /* defined(TN3270) */
|
||
setconnmode(0);
|
||
EmptyTerminal(); /* Flush the path to the tty */
|
||
setcommandmode();
|
||
}
|
||
|
||
void
|
||
Exit(returnCode)
|
||
int returnCode;
|
||
{
|
||
SetForExit();
|
||
exit(returnCode);
|
||
}
|
||
|
||
void
|
||
ExitString(string, returnCode)
|
||
char *string;
|
||
int returnCode;
|
||
{
|
||
SetForExit();
|
||
fwrite(string, 1, strlen(string), stderr);
|
||
exit(returnCode);
|
||
}
|