-/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_HEADER_START@
- *
- * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
- * Reserved. This file contains Original Code and/or Modifications of
- * Original Code as defined in and that are subject to the Apple Public
- * Source License Version 1.0 (the 'License'). You may not use this file
- * except in compliance with the License. Please obtain a copy of the
- * License at http://www.apple.com/publicsource and read it before using
- * this file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License."
- *
- * @APPLE_LICENSE_HEADER_END@
- */
/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
*/
#ifndef lint
-static char sccsid[] = "@(#)utility.c 8.4 (Berkeley) 5/30/95";
+#if 0
+static char sccsid[] = "@(#)utility.c 8.2 (Berkeley) 12/15/93";
+#endif
+static const char rcsid[] =
+ "$FreeBSD: src/libexec/telnetd/utility.c,v 1.15 2001/07/20 15:14:03 ru Exp $";
#endif /* not lint */
+#ifdef __FreeBSD__
+#include <locale.h>
+#include <sys/utsname.h>
+#endif
#define PRINTOPTIONS
#include "telnetd.h"
void
ttloop()
{
- void netflush();
- DIAG(TD_REPORT, {sprintf(nfrontp, "td: ttloop\r\n");
- nfrontp += strlen(nfrontp);});
- if (nfrontp-nbackp) {
+ DIAG(TD_REPORT, output_data("td: ttloop\r\n"));
+ if (nfrontp - nbackp > 0) {
netflush();
}
ncc = read(net, netibuf, sizeof netibuf);
if (ncc < 0) {
- syslog(LOG_INFO, "ttloop: read: %m\n");
+ syslog(LOG_INFO, "ttloop: read: %m");
exit(1);
} else if (ncc == 0) {
- syslog(LOG_INFO, "ttloop: peer died: %m\n");
+ syslog(LOG_INFO, "ttloop: peer died: %m");
exit(1);
}
- DIAG(TD_REPORT, {sprintf(nfrontp, "td: ttloop read %d chars\r\n", ncc);
- nfrontp += strlen(nfrontp);});
+ DIAG(TD_REPORT, output_data("td: ttloop read %d chars\r\n", ncc));
netip = netibuf;
telrcv(); /* state machine */
if (ncc > 0) {
do {
FD_ZERO(&excepts);
FD_SET(s, &excepts);
+ memset((char *)&timeout, 0, sizeof timeout);
value = select(s+1, (fd_set *)0, (fd_set *)0, &excepts, &timeout);
} while ((value == -1) && (errno == EINTR));
int n;
if ((n = pfrontp - pbackp) > 0) {
- DIAG((TD_REPORT | TD_PTYDATA),
- { sprintf(nfrontp, "td: ptyflush %d chars\r\n", n);
- nfrontp += strlen(nfrontp); });
+ DIAG(TD_REPORT | TD_PTYDATA,
+ output_data("td: ptyflush %d chars\r\n", n));
DIAG(TD_PTYDATA, printdata("pd", pbackp, n));
n = write(pty, pbackp, n);
}
#define wewant(p) ((nfrontp > p) && ((*p&0xff) == IAC) && \
((*(p+1)&0xff) != EC) && ((*(p+1)&0xff) != EL))
-#ifdef ENCRYPTION
- thisitem = nclearto > netobuf ? nclearto : netobuf;
-#else /* ENCRYPTION */
thisitem = netobuf;
-#endif /* ENCRYPTION */
while ((next = nextitem(thisitem)) <= nbackp) {
thisitem = next;
/* Now, thisitem is first before/at boundary. */
-#ifdef ENCRYPTION
- good = nclearto > netobuf ? nclearto : netobuf;
-#else /* ENCRYPTION */
good = netobuf; /* where the good bytes go */
-#endif /* ENCRYPTION */
while (nfrontp > thisitem) {
if (wewant(thisitem)) {
next = nextitem(next);
} while (wewant(next) && (nfrontp > next));
length = next-thisitem;
- memmove(good, thisitem, length);
+ bcopy(thisitem, good, length);
good += length;
thisitem = next;
} else {
int n;
extern int not42;
- if ((n = nfrontp - nbackp) > 0) {
- DIAG(TD_REPORT,
- { sprintf(nfrontp, "td: netflush %d chars\r\n", n);
- n += strlen(nfrontp); /* get count first */
- nfrontp += strlen(nfrontp); /* then move pointer */
- });
-#ifdef ENCRYPTION
- if (encrypt_output) {
- char *s = nclearto ? nclearto : nbackp;
- if (nfrontp - s > 0) {
- (*encrypt_output)((unsigned char *)s, nfrontp-s);
- nclearto = nfrontp;
- }
- }
-#endif /* ENCRYPTION */
+ while ((n = nfrontp - nbackp) > 0) {
+#if 0
+ /* XXX This causes output_data() to recurse and die */
+
+ DIAG(TD_REPORT, {
+ n += output_data("td: netflush %d chars\r\n", n);
+ });
+#endif
/*
* if no urgent data, or if the other side appears to be an
* old 4.2 client (and thus unable to survive TCP urgent data),
n = send(net, nbackp, n, MSG_OOB); /* URGENT data */
}
}
- }
- if (n < 0) {
- if (errno == EWOULDBLOCK || errno == EINTR)
- return;
- cleanup(0);
- }
- nbackp += n;
-#ifdef ENCRYPTION
- if (nbackp > nclearto)
- nclearto = 0;
-#endif /* ENCRYPTION */
- if (nbackp >= neturg) {
- neturg = 0;
- }
- if (nbackp == nfrontp) {
- nbackp = nfrontp = netobuf;
-#ifdef ENCRYPTION
- nclearto = 0;
-#endif /* ENCRYPTION */
+ if (n == -1) {
+ if (errno == EWOULDBLOCK || errno == EINTR)
+ continue;
+ cleanup(0);
+ /* NOTREACHED */
+ }
+ nbackp += n;
+ if (nbackp >= neturg) {
+ neturg = 0;
+ }
+ if (nbackp == nfrontp) {
+ nbackp = nfrontp = netobuf;
+ }
}
return;
} /* end of netflush */
-/*
- * writenet
- *
- * Just a handy little function to write a bit of raw data to the net.
- * It will force a transmit of the buffer if necessary
- *
- * arguments
- * ptr - A pointer to a character string to write
- * len - How many bytes to write
- */
- void
-writenet(ptr, len)
- register unsigned char *ptr;
- register int len;
-{
- /* flush buffer if no room for new data) */
- if ((&netobuf[BUFSIZ] - nfrontp) < len) {
- /* if this fails, don't worry, buffer is a little big */
- netflush();
- }
-
- memmove(nfrontp, ptr, len);
- nfrontp += len;
-
-} /* end of writenet */
-
-
/*
* miscellaneous functions doing a variety of little jobs follow ...
*/
{
char buf[BUFSIZ];
- (void) sprintf(buf, "telnetd: %s.\r\n", msg);
-#ifdef ENCRYPTION
- if (encrypt_output) {
- /*
- * Better turn off encryption first....
- * Hope it flushes...
- */
- encrypt_send_end();
- netflush();
- }
-#endif /* ENCRYPTION */
+ (void) snprintf(buf, sizeof(buf), "telnetd: %s.\r\n", msg);
(void) write(f, buf, (int)strlen(buf));
sleep(1); /*XXX*/
exit(1);
{
char buf[BUFSIZ], *strerror();
- (void) sprintf(buf, "%s: %s", msg, strerror(errno));
+ (void) snprintf(buf, sizeof(buf), "%s: %s", msg, strerror(errno));
fatal(f, buf);
}
register char *host;
{
register char *res = editedhost;
- char *strncpy();
if (!pat)
pat = "";
*putlocation++ = cc;
}
+#ifdef __FreeBSD__
+static char fmtstr[] = { "%+" };
+#else
/*
* This is split on two lines so that SCCS will not see the M
* between two % signs and expand it...
*/
static char fmtstr[] = { "%l:%M\
%P on %A, %d %B %Y" };
+#endif
void
putf(cp, where)
time_t t;
char db[100];
#ifdef STREAMSPTY
- extern char *strchr();
+ extern char *index();
#else
- extern char *strrchr();
+ extern char *rindex();
+#endif
+#ifdef __FreeBSD__
+ static struct utsname kerninfo;
+
+ if (!*kerninfo.sysname)
+ uname(&kerninfo);
#endif
putlocation = where;
while (*cp) {
- if (*cp != '%') {
+ if (*cp =='\n') {
+ putstr("\r\n");
+ cp++;
+ continue;
+ } else if (*cp != '%') {
putchr(*cp++);
continue;
}
case 't':
#ifdef STREAMSPTY
/* names are like /dev/pts/2 -- we want pts/2 */
- slash = strchr(line+1, '/');
+ slash = index(line+1, '/');
#else
- slash = strrchr(line, '/');
+ slash = rindex(line, '/');
#endif
if (slash == (char *) 0)
putstr(line);
break;
case 'd':
+#ifdef __FreeBSD__
+ setlocale(LC_TIME, "");
+#endif
(void)time(&t);
(void)strftime(db, sizeof(db), fmtstr, localtime(&t));
putstr(db);
break;
+#ifdef __FreeBSD__
+ case 's':
+ putstr(kerninfo.sysname);
+ break;
+
+ case 'm':
+ putstr(kerninfo.machine);
+ break;
+
+ case 'r':
+ putstr(kerninfo.release);
+ break;
+
+ case 'v':
+ putstr(kerninfo.version);
+ break;
+#endif
+
case '%':
putchr('%');
break;
register int option;
{
if (TELOPT_OK(option))
- sprintf(nfrontp, "%s %s\r\n", fmt, TELOPT(option));
+ output_data("%s %s\r\n", fmt, TELOPT(option));
else if (TELCMD_OK(option))
- sprintf(nfrontp, "%s %s\r\n", fmt, TELCMD(option));
+ output_data("%s %s\r\n", fmt, TELCMD(option));
else
- sprintf(nfrontp, "%s %d\r\n", fmt, option);
- nfrontp += strlen(nfrontp);
+ output_data("%s %d\r\n", fmt, option);
return;
}
unsigned char *pointer; /* where suboption data sits */
int length; /* length of suboption data */
{
- register int i;
- char buf[512];
+ register int i = 0;
- if (!(diagnostic & TD_OPTIONS))
+ if (!(diagnostic & TD_OPTIONS))
return;
if (direction) {
- sprintf(nfrontp, "td: %s suboption ",
+ output_data("td: %s suboption ",
direction == '<' ? "recv" : "send");
- nfrontp += strlen(nfrontp);
if (length >= 3) {
register int j;
j = pointer[length-1];
if (i != IAC || j != SE) {
- sprintf(nfrontp, "(terminated by ");
- nfrontp += strlen(nfrontp);
+ output_data("(terminated by ");
if (TELOPT_OK(i))
- sprintf(nfrontp, "%s ", TELOPT(i));
+ output_data("%s ", TELOPT(i));
else if (TELCMD_OK(i))
- sprintf(nfrontp, "%s ", TELCMD(i));
+ output_data("%s ", TELCMD(i));
else
- sprintf(nfrontp, "%d ", i);
- nfrontp += strlen(nfrontp);
+ output_data("%d ", i);
if (TELOPT_OK(j))
- sprintf(nfrontp, "%s", TELOPT(j));
+ output_data("%s", TELOPT(j));
else if (TELCMD_OK(j))
- sprintf(nfrontp, "%s", TELCMD(j));
+ output_data("%s", TELCMD(j));
else
- sprintf(nfrontp, "%d", j);
- nfrontp += strlen(nfrontp);
- sprintf(nfrontp, ", not IAC SE!) ");
- nfrontp += strlen(nfrontp);
+ output_data("%d", j);
+ output_data(", not IAC SE!) ");
}
}
length -= 2;
}
if (length < 1) {
- sprintf(nfrontp, "(Empty suboption??\?)");
- nfrontp += strlen(nfrontp);
+ output_data("(Empty suboption??\?)");
return;
}
switch (pointer[0]) {
case TELOPT_TTYPE:
- sprintf(nfrontp, "TERMINAL-TYPE ");
- nfrontp += strlen(nfrontp);
+ output_data("TERMINAL-TYPE ");
switch (pointer[1]) {
case TELQUAL_IS:
- sprintf(nfrontp, "IS \"%.*s\"", length-2, (char *)pointer+2);
+ output_data("IS \"%.*s\"", length-2, (char *)pointer+2);
break;
case TELQUAL_SEND:
- sprintf(nfrontp, "SEND");
+ output_data("SEND");
break;
default:
- sprintf(nfrontp,
+ output_data(
"- unknown qualifier %d (0x%x).",
pointer[1], pointer[1]);
}
- nfrontp += strlen(nfrontp);
break;
case TELOPT_TSPEED:
- sprintf(nfrontp, "TERMINAL-SPEED");
- nfrontp += strlen(nfrontp);
+ output_data("TERMINAL-SPEED");
if (length < 2) {
- sprintf(nfrontp, " (empty suboption??\?)");
- nfrontp += strlen(nfrontp);
+ output_data(" (empty suboption??\?)");
break;
}
switch (pointer[1]) {
case TELQUAL_IS:
- sprintf(nfrontp, " IS %.*s", length-2, (char *)pointer+2);
- nfrontp += strlen(nfrontp);
+ output_data(" IS %.*s", length-2, (char *)pointer+2);
break;
default:
if (pointer[1] == 1)
- sprintf(nfrontp, " SEND");
+ output_data(" SEND");
else
- sprintf(nfrontp, " %d (unknown)", pointer[1]);
- nfrontp += strlen(nfrontp);
+ output_data(" %d (unknown)", pointer[1]);
for (i = 2; i < length; i++) {
- sprintf(nfrontp, " ?%d?", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?%d?", pointer[i]);
}
break;
}
break;
case TELOPT_LFLOW:
- sprintf(nfrontp, "TOGGLE-FLOW-CONTROL");
- nfrontp += strlen(nfrontp);
+ output_data("TOGGLE-FLOW-CONTROL");
if (length < 2) {
- sprintf(nfrontp, " (empty suboption??\?)");
- nfrontp += strlen(nfrontp);
+ output_data(" (empty suboption??\?)");
break;
}
switch (pointer[1]) {
case LFLOW_OFF:
- sprintf(nfrontp, " OFF"); break;
+ output_data(" OFF"); break;
case LFLOW_ON:
- sprintf(nfrontp, " ON"); break;
+ output_data(" ON"); break;
case LFLOW_RESTART_ANY:
- sprintf(nfrontp, " RESTART-ANY"); break;
+ output_data(" RESTART-ANY"); break;
case LFLOW_RESTART_XON:
- sprintf(nfrontp, " RESTART-XON"); break;
+ output_data(" RESTART-XON"); break;
default:
- sprintf(nfrontp, " %d (unknown)", pointer[1]);
+ output_data(" %d (unknown)", pointer[1]);
}
- nfrontp += strlen(nfrontp);
for (i = 2; i < length; i++) {
- sprintf(nfrontp, " ?%d?", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?%d?", pointer[i]);
}
break;
case TELOPT_NAWS:
- sprintf(nfrontp, "NAWS");
- nfrontp += strlen(nfrontp);
+ output_data("NAWS");
if (length < 2) {
- sprintf(nfrontp, " (empty suboption??\?)");
- nfrontp += strlen(nfrontp);
+ output_data(" (empty suboption??\?)");
break;
}
if (length == 2) {
- sprintf(nfrontp, " ?%d?", pointer[1]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?%d?", pointer[1]);
break;
}
- sprintf(nfrontp, " %d %d (%d)",
+ output_data(" %d %d (%d)",
pointer[1], pointer[2],
(int)((((unsigned int)pointer[1])<<8)|((unsigned int)pointer[2])));
- nfrontp += strlen(nfrontp);
if (length == 4) {
- sprintf(nfrontp, " ?%d?", pointer[3]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?%d?", pointer[3]);
break;
}
- sprintf(nfrontp, " %d %d (%d)",
+ output_data(" %d %d (%d)",
pointer[3], pointer[4],
(int)((((unsigned int)pointer[3])<<8)|((unsigned int)pointer[4])));
- nfrontp += strlen(nfrontp);
for (i = 5; i < length; i++) {
- sprintf(nfrontp, " ?%d?", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?%d?", pointer[i]);
}
break;
case TELOPT_LINEMODE:
- sprintf(nfrontp, "LINEMODE ");
- nfrontp += strlen(nfrontp);
+ output_data("LINEMODE ");
if (length < 2) {
- sprintf(nfrontp, " (empty suboption??\?)");
- nfrontp += strlen(nfrontp);
+ output_data(" (empty suboption??\?)");
break;
}
switch (pointer[1]) {
case WILL:
- sprintf(nfrontp, "WILL ");
+ output_data("WILL ");
goto common;
case WONT:
- sprintf(nfrontp, "WONT ");
+ output_data("WONT ");
goto common;
case DO:
- sprintf(nfrontp, "DO ");
+ output_data("DO ");
goto common;
case DONT:
- sprintf(nfrontp, "DONT ");
+ output_data("DONT ");
common:
- nfrontp += strlen(nfrontp);
if (length < 3) {
- sprintf(nfrontp, "(no option??\?)");
- nfrontp += strlen(nfrontp);
+ output_data("(no option??\?)");
break;
}
switch (pointer[2]) {
case LM_FORWARDMASK:
- sprintf(nfrontp, "Forward Mask");
- nfrontp += strlen(nfrontp);
+ output_data("Forward Mask");
for (i = 3; i < length; i++) {
- sprintf(nfrontp, " %x", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" %x", pointer[i]);
}
break;
default:
- sprintf(nfrontp, "%d (unknown)", pointer[2]);
- nfrontp += strlen(nfrontp);
+ output_data("%d (unknown)", pointer[2]);
for (i = 3; i < length; i++) {
- sprintf(nfrontp, " %d", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" %d", pointer[i]);
}
break;
}
break;
case LM_SLC:
- sprintf(nfrontp, "SLC");
- nfrontp += strlen(nfrontp);
+ output_data("SLC");
for (i = 2; i < length - 2; i += 3) {
if (SLC_NAME_OK(pointer[i+SLC_FUNC]))
- sprintf(nfrontp, " %s", SLC_NAME(pointer[i+SLC_FUNC]));
+ output_data(" %s", SLC_NAME(pointer[i+SLC_FUNC]));
else
- sprintf(nfrontp, " %d", pointer[i+SLC_FUNC]);
- nfrontp += strlen(nfrontp);
+ output_data(" %d", pointer[i+SLC_FUNC]);
switch (pointer[i+SLC_FLAGS]&SLC_LEVELBITS) {
case SLC_NOSUPPORT:
- sprintf(nfrontp, " NOSUPPORT"); break;
+ output_data(" NOSUPPORT"); break;
case SLC_CANTCHANGE:
- sprintf(nfrontp, " CANTCHANGE"); break;
+ output_data(" CANTCHANGE"); break;
case SLC_VARIABLE:
- sprintf(nfrontp, " VARIABLE"); break;
+ output_data(" VARIABLE"); break;
case SLC_DEFAULT:
- sprintf(nfrontp, " DEFAULT"); break;
+ output_data(" DEFAULT"); break;
}
- nfrontp += strlen(nfrontp);
- sprintf(nfrontp, "%s%s%s",
+ output_data("%s%s%s",
pointer[i+SLC_FLAGS]&SLC_ACK ? "|ACK" : "",
pointer[i+SLC_FLAGS]&SLC_FLUSHIN ? "|FLUSHIN" : "",
pointer[i+SLC_FLAGS]&SLC_FLUSHOUT ? "|FLUSHOUT" : "");
- nfrontp += strlen(nfrontp);
if (pointer[i+SLC_FLAGS]& ~(SLC_ACK|SLC_FLUSHIN|
SLC_FLUSHOUT| SLC_LEVELBITS)) {
- sprintf(nfrontp, "(0x%x)", pointer[i+SLC_FLAGS]);
- nfrontp += strlen(nfrontp);
+ output_data("(0x%x)", pointer[i+SLC_FLAGS]);
}
- sprintf(nfrontp, " %d;", pointer[i+SLC_VALUE]);
- nfrontp += strlen(nfrontp);
+ output_data(" %d;", pointer[i+SLC_VALUE]);
if ((pointer[i+SLC_VALUE] == IAC) &&
(pointer[i+SLC_VALUE+1] == IAC))
i++;
}
for (; i < length; i++) {
- sprintf(nfrontp, " ?%d?", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?%d?", pointer[i]);
}
break;
case LM_MODE:
- sprintf(nfrontp, "MODE ");
- nfrontp += strlen(nfrontp);
+ output_data("MODE ");
if (length < 3) {
- sprintf(nfrontp, "(no mode??\?)");
- nfrontp += strlen(nfrontp);
+ output_data("(no mode??\?)");
break;
}
{
pointer[2]&MODE_SOFT_TAB ? "|SOFT_TAB" : "",
pointer[2]&MODE_LIT_ECHO ? "|LIT_ECHO" : "",
pointer[2]&MODE_ACK ? "|ACK" : "");
- sprintf(nfrontp, "%s", tbuf[1] ? &tbuf[1] : "0");
- nfrontp += strlen(nfrontp);
+ output_data("%s", tbuf[1] ? &tbuf[1] : "0");
}
if (pointer[2]&~(MODE_EDIT|MODE_TRAPSIG|MODE_ACK)) {
- sprintf(nfrontp, " (0x%x)", pointer[2]);
- nfrontp += strlen(nfrontp);
+ output_data(" (0x%x)", pointer[2]);
}
for (i = 3; i < length; i++) {
- sprintf(nfrontp, " ?0x%x?", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?0x%x?", pointer[i]);
}
break;
default:
- sprintf(nfrontp, "%d (unknown)", pointer[1]);
- nfrontp += strlen(nfrontp);
+ output_data("%d (unknown)", pointer[1]);
for (i = 2; i < length; i++) {
- sprintf(nfrontp, " %d", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" %d", pointer[i]);
}
}
break;
register char *cp;
register int j, k;
- sprintf(nfrontp, "STATUS");
- nfrontp += strlen(nfrontp);
+ output_data("STATUS");
switch (pointer[1]) {
default:
if (pointer[1] == TELQUAL_SEND)
- sprintf(nfrontp, " SEND");
+ output_data(" SEND");
else
- sprintf(nfrontp, " %d (unknown)", pointer[1]);
- nfrontp += strlen(nfrontp);
+ output_data(" %d (unknown)", pointer[1]);
for (i = 2; i < length; i++) {
- sprintf(nfrontp, " ?%d?", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?%d?", pointer[i]);
}
break;
case TELQUAL_IS:
- sprintf(nfrontp, " IS\r\n");
- nfrontp += strlen(nfrontp);
+ output_data(" IS\r\n");
for (i = 2; i < length; i++) {
switch(pointer[i]) {
common2:
i++;
if (TELOPT_OK(pointer[i]))
- sprintf(nfrontp, " %s %s", cp, TELOPT(pointer[i]));
+ output_data(" %s %s", cp, TELOPT(pointer[i]));
else
- sprintf(nfrontp, " %s %d", cp, pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" %s %d", cp, pointer[i]);
- sprintf(nfrontp, "\r\n");
- nfrontp += strlen(nfrontp);
+ output_data("\r\n");
break;
case SB:
- sprintf(nfrontp, " SB ");
- nfrontp += strlen(nfrontp);
+ output_data(" SB ");
i++;
j = k = i;
while (j < length) {
}
printsub(0, &pointer[i], k - i);
if (i < length) {
- sprintf(nfrontp, " SE");
- nfrontp += strlen(nfrontp);
+ output_data(" SE");
i = j;
} else
i = j - 1;
- sprintf(nfrontp, "\r\n");
- nfrontp += strlen(nfrontp);
+ output_data("\r\n");
break;
default:
- sprintf(nfrontp, " %d", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" %d", pointer[i]);
break;
}
}
}
case TELOPT_XDISPLOC:
- sprintf(nfrontp, "X-DISPLAY-LOCATION ");
- nfrontp += strlen(nfrontp);
+ output_data("X-DISPLAY-LOCATION ");
switch (pointer[1]) {
case TELQUAL_IS:
- sprintf(nfrontp, "IS \"%.*s\"", length-2, (char *)pointer+2);
+ output_data("IS \"%.*s\"", length-2, (char *)pointer+2);
break;
case TELQUAL_SEND:
- sprintf(nfrontp, "SEND");
+ output_data("SEND");
break;
default:
- sprintf(nfrontp, "- unknown qualifier %d (0x%x).",
+ output_data("- unknown qualifier %d (0x%x).",
pointer[1], pointer[1]);
}
- nfrontp += strlen(nfrontp);
break;
case TELOPT_NEW_ENVIRON:
- sprintf(nfrontp, "NEW-ENVIRON ");
+ output_data("NEW-ENVIRON ");
goto env_common1;
case TELOPT_OLD_ENVIRON:
- sprintf(nfrontp, "OLD-ENVIRON");
+ output_data("OLD-ENVIRON");
env_common1:
- nfrontp += strlen(nfrontp);
switch (pointer[1]) {
case TELQUAL_IS:
- sprintf(nfrontp, "IS ");
+ output_data("IS ");
goto env_common;
case TELQUAL_SEND:
- sprintf(nfrontp, "SEND ");
+ output_data("SEND ");
goto env_common;
case TELQUAL_INFO:
- sprintf(nfrontp, "INFO ");
+ output_data("INFO ");
env_common:
- nfrontp += strlen(nfrontp);
{
register int noquote = 2;
for (i = 2; i < length; i++ ) {
switch (pointer[i]) {
case NEW_ENV_VAR:
- sprintf(nfrontp, "\" VAR " + noquote);
- nfrontp += strlen(nfrontp);
+ output_data("\" VAR " + noquote);
noquote = 2;
break;
case NEW_ENV_VALUE:
- sprintf(nfrontp, "\" VALUE " + noquote);
- nfrontp += strlen(nfrontp);
+ output_data("\" VALUE " + noquote);
noquote = 2;
break;
case ENV_ESC:
- sprintf(nfrontp, "\" ESC " + noquote);
- nfrontp += strlen(nfrontp);
+ output_data("\" ESC " + noquote);
noquote = 2;
break;
case ENV_USERVAR:
- sprintf(nfrontp, "\" USERVAR " + noquote);
- nfrontp += strlen(nfrontp);
+ output_data("\" USERVAR " + noquote);
noquote = 2;
break;
default:
- def_case:
if (isprint(pointer[i]) && pointer[i] != '"') {
if (noquote) {
- *nfrontp++ = '"';
+ output_data("\"");
noquote = 0;
}
- *nfrontp++ = pointer[i];
+ output_data("%c", pointer[i]);
} else {
- sprintf(nfrontp, "\" %03o " + noquote,
+ output_data("\" %03o " + noquote,
pointer[i]);
- nfrontp += strlen(nfrontp);
noquote = 2;
}
break;
}
}
if (!noquote)
- *nfrontp++ = '"';
+ output_data("\"");
break;
}
}
#if defined(AUTHENTICATION)
case TELOPT_AUTHENTICATION:
- sprintf(nfrontp, "AUTHENTICATION");
- nfrontp += strlen(nfrontp);
+ output_data("AUTHENTICATION");
if (length < 2) {
- sprintf(nfrontp, " (empty suboption??\?)");
- nfrontp += strlen(nfrontp);
+ output_data(" (empty suboption??\?)");
break;
}
switch (pointer[1]) {
case TELQUAL_REPLY:
case TELQUAL_IS:
- sprintf(nfrontp, " %s ", (pointer[1] == TELQUAL_IS) ?
+ output_data(" %s ", (pointer[1] == TELQUAL_IS) ?
"IS" : "REPLY");
- nfrontp += strlen(nfrontp);
if (AUTHTYPE_NAME_OK(pointer[2]))
- sprintf(nfrontp, "%s ", AUTHTYPE_NAME(pointer[2]));
+ output_data("%s ", AUTHTYPE_NAME(pointer[2]));
else
- sprintf(nfrontp, "%d ", pointer[2]);
- nfrontp += strlen(nfrontp);
+ output_data("%d ", pointer[2]);
if (length < 3) {
- sprintf(nfrontp, "(partial suboption??\?)");
- nfrontp += strlen(nfrontp);
+ output_data("(partial suboption??\?)");
break;
}
- sprintf(nfrontp, "%s|%s",
+ output_data("%s|%s",
((pointer[3] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ?
"CLIENT" : "SERVER",
((pointer[3] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ?
"MUTUAL" : "ONE-WAY");
- nfrontp += strlen(nfrontp);
- auth_printsub(&pointer[1], length - 1, buf, sizeof(buf));
- sprintf(nfrontp, "%s", buf);
- nfrontp += strlen(nfrontp);
+ {
+ char buf[512];
+ auth_printsub(&pointer[1], length - 1, buf, sizeof(buf));
+ output_data("%s", buf);
+ }
break;
case TELQUAL_SEND:
i = 2;
- sprintf(nfrontp, " SEND ");
- nfrontp += strlen(nfrontp);
+ output_data(" SEND ");
while (i < length) {
if (AUTHTYPE_NAME_OK(pointer[i]))
- sprintf(nfrontp, "%s ", AUTHTYPE_NAME(pointer[i]));
+ output_data("%s ", AUTHTYPE_NAME(pointer[i]));
else
- sprintf(nfrontp, "%d ", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data("%d ", pointer[i]);
if (++i >= length) {
- sprintf(nfrontp, "(partial suboption??\?)");
- nfrontp += strlen(nfrontp);
+ output_data("(partial suboption??\?)");
break;
}
- sprintf(nfrontp, "%s|%s ",
+ output_data("%s|%s ",
((pointer[i] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ?
"CLIENT" : "SERVER",
((pointer[i] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ?
"MUTUAL" : "ONE-WAY");
- nfrontp += strlen(nfrontp);
++i;
}
break;
case TELQUAL_NAME:
- i = 2;
- sprintf(nfrontp, " NAME \"");
- nfrontp += strlen(nfrontp);
- while (i < length)
- *nfrontp += pointer[i++];
- *nfrontp += '"';
+ output_data(" NAME \"%.*s\"", length - 2, pointer + 2);
break;
default:
for (i = 2; i < length; i++) {
- sprintf(nfrontp, " ?%d?", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" ?%d?", pointer[i]);
}
break;
}
break;
#endif
-#ifdef ENCRYPTION
- case TELOPT_ENCRYPT:
- sprintf(nfrontp, "ENCRYPT");
- nfrontp += strlen(nfrontp);
- if (length < 2) {
- sprintf(nfrontp, " (empty suboption??\?)");
- nfrontp += strlen(nfrontp);
- break;
- }
- switch (pointer[1]) {
- case ENCRYPT_START:
- sprintf(nfrontp, " START");
- nfrontp += strlen(nfrontp);
- break;
-
- case ENCRYPT_END:
- sprintf(nfrontp, " END");
- nfrontp += strlen(nfrontp);
- break;
-
- case ENCRYPT_REQSTART:
- sprintf(nfrontp, " REQUEST-START");
- nfrontp += strlen(nfrontp);
- break;
-
- case ENCRYPT_REQEND:
- sprintf(nfrontp, " REQUEST-END");
- nfrontp += strlen(nfrontp);
- break;
-
- case ENCRYPT_IS:
- case ENCRYPT_REPLY:
- sprintf(nfrontp, " %s ", (pointer[1] == ENCRYPT_IS) ?
- "IS" : "REPLY");
- nfrontp += strlen(nfrontp);
- if (length < 3) {
- sprintf(nfrontp, " (partial suboption??\?)");
- nfrontp += strlen(nfrontp);
- break;
- }
- if (ENCTYPE_NAME_OK(pointer[2]))
- sprintf(nfrontp, "%s ", ENCTYPE_NAME(pointer[2]));
- else
- sprintf(nfrontp, " %d (unknown)", pointer[2]);
- nfrontp += strlen(nfrontp);
-
- encrypt_printsub(&pointer[1], length - 1, buf, sizeof(buf));
- sprintf(nfrontp, "%s", buf);
- nfrontp += strlen(nfrontp);
- break;
-
- case ENCRYPT_SUPPORT:
- i = 2;
- sprintf(nfrontp, " SUPPORT ");
- nfrontp += strlen(nfrontp);
- while (i < length) {
- if (ENCTYPE_NAME_OK(pointer[i]))
- sprintf(nfrontp, "%s ", ENCTYPE_NAME(pointer[i]));
- else
- sprintf(nfrontp, "%d ", pointer[i]);
- nfrontp += strlen(nfrontp);
- i++;
- }
- break;
-
- case ENCRYPT_ENC_KEYID:
- sprintf(nfrontp, " ENC_KEYID", pointer[1]);
- nfrontp += strlen(nfrontp);
- goto encommon;
-
- case ENCRYPT_DEC_KEYID:
- sprintf(nfrontp, " DEC_KEYID", pointer[1]);
- nfrontp += strlen(nfrontp);
- goto encommon;
-
- default:
- sprintf(nfrontp, " %d (unknown)", pointer[1]);
- nfrontp += strlen(nfrontp);
- encommon:
- for (i = 2; i < length; i++) {
- sprintf(nfrontp, " %d", pointer[i]);
- nfrontp += strlen(nfrontp);
- }
- break;
- }
- break;
-#endif /* ENCRYPTION */
default:
if (TELOPT_OK(pointer[0]))
- sprintf(nfrontp, "%s (unknown)", TELOPT(pointer[0]));
+ output_data("%s (unknown)", TELOPT(pointer[0]));
else
- sprintf(nfrontp, "%d (unknown)", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data("%d (unknown)", pointer[i]);
for (i = 1; i < length; i++) {
- sprintf(nfrontp, " %d", pointer[i]);
- nfrontp += strlen(nfrontp);
+ output_data(" %d", pointer[i]);
}
break;
}
- sprintf(nfrontp, "\r\n");
- nfrontp += strlen(nfrontp);
+ output_data("\r\n");
}
/*
}
/* add a line of output */
- sprintf(nfrontp, "%s: ", tag);
- nfrontp += strlen(nfrontp);
+ output_data("%s: ", tag);
for (i = 0; i < 20 && cnt; i++) {
- sprintf(nfrontp, "%02x", *ptr);
- nfrontp += strlen(nfrontp);
+ output_data("%02x", *ptr);
if (isprint(*ptr)) {
xbuf[i] = *ptr;
} else {
xbuf[i] = '.';
}
if (i % 2) {
- *nfrontp = ' ';
- nfrontp++;
+ output_data(" ");
}
cnt--;
ptr++;
}
xbuf[i] = '\0';
- sprintf(nfrontp, " %s\r\n", xbuf );
- nfrontp += strlen(nfrontp);
+ output_data(" %s\r\n", xbuf );
}
}
#endif /* DIAGNOSTICS */