Index: create.patch.sh
===================================================================
--- create.patch.sh (nonexistent)
+++ create.patch.sh (revision 5)
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+VERSION=20020321
+
+NETKIT_VERSION=0.17
+
+mkdir -p netkit-telnet-$NETKIT_VERSION
+tar -C netkit-telnet-$NETKIT_VERSION --files-from=file.list -xzvf ../telnet-OpenBSD-$VERSION.tar.gz
+mv netkit-telnet-$NETKIT_VERSION netkit-telnet-$NETKIT_VERSION-orig
+
+cp -rf ./netkit-telnet-$NETKIT_VERSION-new ./netkit-telnet-$NETKIT_VERSION
+
+diff --unified -Nr netkit-telnet-$NETKIT_VERSION-orig netkit-telnet-$NETKIT_VERSION > telnet-OpenBSD-$VERSION.patch
+
+mv telnet-OpenBSD-$VERSION.patch ../patches
+
+rm -rf ./netkit-telnet-$NETKIT_VERSION
+rm -rf ./netkit-telnet-$NETKIT_VERSION-orig
Property changes on: create.patch.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: file.list
===================================================================
--- file.list (nonexistent)
+++ file.list (revision 5)
@@ -0,0 +1,6 @@
+./telnet/authenc.c
+./telnet/commands.c
+./telnet/externs.h
+./telnet/main.c
+./telnet/telnet.c
+./telnet/utilities.c
Index: netkit-telnet-0.17-new/telnet/GNUmakefile
===================================================================
--- netkit-telnet-0.17-new/telnet/GNUmakefile (nonexistent)
+++ netkit-telnet-0.17-new/telnet/GNUmakefile (revision 5)
@@ -0,0 +1,35 @@
+
+all: telnet
+
+include ../MCONFIG
+include ../MRULES
+
+ifeq ($(USE_GLIBC),1)
+CFLAGS += -D_GNU_SOURCE
+endif
+
+#CFLAGS:=$(patsubst -O2, -g, $(CFLAGS))
+
+# -DAUTHENTICATE
+CFLAGS += -DUSE_TERMIO -DKLUDGELINEMODE
+LIBS += $(LIBTERMCAP)
+
+CFLAGS += -I../
+
+LIBTELNETOBJS = genget.o
+
+OBJS = authenc.o commands.o main.o network.o ring.o sys_bsd.o telnet.o \
+ terminal.o tn3270.o utilities.o $(LIBTELNETOBJS)
+
+telnet: $(OBJS)
+ $(CC) $(LDFLAGS) $^ $(LIBS) -o $@
+
+install: telnet
+ install -s -m$(BINMODE) telnet $(INSTALLROOT)$(BINDIR)
+ install -m$(MANMODE) telnet.1 $(INSTALLROOT)$(MANDIR)/man1
+
+clean:
+ rm -f *.o telnet
+
+genget.o: ../libtelnet/genget.c
+ $(CC) $(CFLAGS) $< -c
Index: netkit-telnet-0.17-new/telnet/authenc.c
===================================================================
--- netkit-telnet-0.17-new/telnet/authenc.c (nonexistent)
+++ netkit-telnet-0.17-new/telnet/authenc.c (revision 5)
@@ -0,0 +1,102 @@
+/* $OpenBSD: authenc.c,v 1.4 2001/05/25 10:24:25 hin Exp $ */
+/* $NetBSD: authenc.c,v 1.5 1996/02/28 21:03:52 thorpej Exp $ */
+
+/*-
+ * Copyright (c) 1991, 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.
+ */
+
+#include "telnet_locl.h"
+
+#if defined(AUTHENTICATION) || defined(ENCRYPTION)
+
+ int
+telnet_net_write(str, len)
+ unsigned char *str;
+ int len;
+{
+ if (NETROOM() > len) {
+ ring_supply_data(&netoring, str, len);
+ if (str[0] == IAC && str[1] == SE)
+ printsub('>', &str[2], len-2);
+ return(len);
+ }
+ return(0);
+}
+
+ void
+net_encrypt()
+{
+#if defined(ENCRYPTION)
+ if (encrypt_output)
+ ring_encrypt(&netoring, encrypt_output);
+ else
+ ring_clearto(&netoring);
+#endif
+}
+
+ int
+telnet_spin()
+{
+ return(-1);
+}
+
+ char *
+telnet_getenv(val)
+ const char *val;
+{
+ return((char *)env_getvalue((unsigned char *)val, 0));
+}
+
+ char *
+telnet_gets(prompt, result, length, echo)
+ char *prompt;
+ char *result;
+ int length;
+ int echo;
+{
+ extern char *getpass();
+ extern int globalmode;
+ int om = globalmode;
+ char *res;
+
+ TerminalNewMode(-1);
+ if (echo) {
+ printf("%s", prompt);
+ res = fgets(result, length, stdin);
+ } else if ((res = getpass(prompt))) {
+ strncpy(result, res, length);
+ res = result;
+ }
+ TerminalNewMode(om);
+ return(res);
+}
+#endif /* defined(AUTHENTICATION) */
Index: netkit-telnet-0.17-new/telnet/commands.c
===================================================================
--- netkit-telnet-0.17-new/telnet/commands.c (nonexistent)
+++ netkit-telnet-0.17-new/telnet/commands.c (revision 5)
@@ -0,0 +1,2911 @@
+/* $OpenBSD: commands.c,v 1.41 2002/02/17 17:20:49 millert Exp $ */
+/* $NetBSD: commands.c,v 1.14 1996/03/24 22:03:48 jtk Exp $ */
+
+/*
+ * Copyright (c) 1988, 1990, 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.
+ */
+
+#include "telnet_locl.h"
+#include <err.h>
+
+#if defined(IPPROTO_IP) && defined(IP_TOS)
+int tos = -1;
+#endif /* defined(IPPROTO_IP) && defined(IP_TOS) */
+
+char *hostname;
+static char _hostname[MAXHOSTNAMELEN];
+
+typedef int (*intrtn_t)(int, char**);
+static int call(intrtn_t, ...);
+
+typedef struct {
+ char *name; /* command name */
+ char *help; /* help string (NULL for no help) */
+ int (*handler)(); /* routine which executes command */
+ int needconnect; /* Do we need to be connected to execute? */
+} Command;
+
+static char line[256];
+static char saveline[256];
+static int margc;
+static char *margv[20];
+
+#if defined(SKEY)
+#include <sys/wait.h>
+#define PATH_SKEY "/usr/bin/skey"
+ int
+skey_calc(argc, argv)
+ int argc;
+ char **argv;
+{
+ int status;
+
+ if(argc != 3) {
+ printf("usage: %s sequence challenge\n", argv[0]);
+ return 0;
+ }
+
+ switch(fork()) {
+ case 0:
+ execv(PATH_SKEY, argv);
+ exit (1);
+ case -1:
+ err(1, "fork");
+ break;
+ default:
+ (void) wait(&status);
+ if (WIFEXITED(status))
+ return (WEXITSTATUS(status));
+ return (0);
+ }
+}
+#endif
+
+
+
+ static void
+makeargv()
+{
+ char *cp, *cp2, c;
+ char **argp = margv;
+
+ margc = 0;
+ cp = line;
+ if (*cp == '!') { /* Special case shell escape */
+ strcpy(saveline, line); /* save for shell command */
+ *argp++ = "!"; /* No room in string to get this */
+ margc++;
+ cp++;
+ }
+ while ((c = *cp)) {
+ int inquote = 0;
+ while (isspace(c))
+ c = *++cp;
+ if (c == '\0')
+ break;
+ *argp++ = cp;
+ margc += 1;
+ for (cp2 = cp; c != '\0'; c = *++cp) {
+ if (inquote) {
+ if (c == inquote) {
+ inquote = 0;
+ continue;
+ }
+ } else {
+ if (c == '\\') {
+ if ((c = *++cp) == '\0')
+ break;
+ } else if (c == '"') {
+ inquote = '"';
+ continue;
+ } else if (c == '\'') {
+ inquote = '\'';
+ continue;
+ } else if (isspace(c))
+ break;
+ }
+ *cp2++ = c;
+ }
+ *cp2 = '\0';
+ if (c == '\0')
+ break;
+ cp++;
+ }
+ *argp++ = 0;
+}
+
+/*
+ * Make a character string into a number.
+ *
+ * Todo: 1. Could take random integers (12, 0x12, 012, 0b1).
+ */
+
+ static char
+special(s)
+ char *s;
+{
+ char c;
+ char b;
+
+ switch (*s) {
+ case '^':
+ b = *++s;
+ if (b == '?') {
+ c = b | 0x40; /* DEL */
+ } else {
+ c = b & 0x1f;
+ }
+ break;
+ default:
+ c = *s;
+ break;
+ }
+ return c;
+}
+
+/*
+ * Construct a control character sequence
+ * for a special character.
+ */
+ static char *
+control(c)
+ cc_t c;
+{
+ static char buf[5];
+ /*
+ * The only way I could get the Sun 3.5 compiler
+ * to shut up about
+ * if ((unsigned int)c >= 0x80)
+ * was to assign "c" to an unsigned int variable...
+ * Arggg....
+ */
+ unsigned int uic = (unsigned int)c;
+
+ if (uic == 0x7f)
+ return ("^?");
+ if (c == (cc_t)_POSIX_VDISABLE) {
+ return "off";
+ }
+ if (uic >= 0x80) {
+ buf[0] = '\\';
+ buf[1] = ((c>>6)&07) + '0';
+ buf[2] = ((c>>3)&07) + '0';
+ buf[3] = (c&07) + '0';
+ buf[4] = 0;
+ } else if (uic >= 0x20) {
+ buf[0] = c;
+ buf[1] = 0;
+ } else {
+ buf[0] = '^';
+ buf[1] = '@'+c;
+ buf[2] = 0;
+ }
+ return (buf);
+}
+
+
+
+/*
+ * The following are data structures and routines for
+ * the "send" command.
+ *
+ */
+
+struct sendlist {
+ char *name; /* How user refers to it (case independent) */
+ char *help; /* Help information (0 ==> no help) */
+ int needconnect; /* Need to be connected */
+ int narg; /* Number of arguments */
+ int (*handler)(); /* Routine to perform (for special ops) */
+ int nbyte; /* Number of bytes to send this command */
+ int what; /* Character to be sent (<0 ==> special) */
+};
+
+
+static int
+ send_esc(void),
+ send_help(void),
+ send_docmd(char *),
+ send_dontcmd(char *),
+ send_willcmd(char *),
+ send_wontcmd(char *);
+
+static struct sendlist Sendlist[] = {
+ { "ao", "Send Telnet Abort output", 1, 0, 0, 2, AO },
+ { "ayt", "Send Telnet 'Are You There'", 1, 0, 0, 2, AYT },
+ { "brk", "Send Telnet Break", 1, 0, 0, 2, BREAK },
+ { "break", 0, 1, 0, 0, 2, BREAK },
+ { "ec", "Send Telnet Erase Character", 1, 0, 0, 2, EC },
+ { "el", "Send Telnet Erase Line", 1, 0, 0, 2, EL },
+ { "escape", "Send current escape character", 1, 0, send_esc, 1, 0 },
+ { "ga", "Send Telnet 'Go Ahead' sequence", 1, 0, 0, 2, GA },
+ { "ip", "Send Telnet Interrupt Process", 1, 0, 0, 2, IP },
+ { "intp", 0, 1, 0, 0, 2, IP },
+ { "interrupt", 0, 1, 0, 0, 2, IP },
+ { "intr", 0, 1, 0, 0, 2, IP },
+ { "nop", "Send Telnet 'No operation'", 1, 0, 0, 2, NOP },
+ { "eor", "Send Telnet 'End of Record'", 1, 0, 0, 2, EOR },
+ { "abort", "Send Telnet 'Abort Process'", 1, 0, 0, 2, ABORT },
+ { "susp", "Send Telnet 'Suspend Process'", 1, 0, 0, 2, SUSP },
+ { "eof", "Send Telnet End of File Character", 1, 0, 0, 2, xEOF },
+ { "synch", "Perform Telnet 'Synch operation'", 1, 0, dosynch, 2, 0 },
+ { "getstatus", "Send request for STATUS", 1, 0, get_status, 6, 0 },
+ { "?", "Display send options", 0, 0, send_help, 0, 0 },
+ { "help", 0, 0, 0, send_help, 0, 0 },
+ { "do", 0, 0, 1, send_docmd, 3, 0 },
+ { "dont", 0, 0, 1, send_dontcmd, 3, 0 },
+ { "will", 0, 0, 1, send_willcmd, 3, 0 },
+ { "wont", 0, 0, 1, send_wontcmd, 3, 0 },
+ { 0 }
+};
+
+#define GETSEND(name) ((struct sendlist *) genget(name, (char **) Sendlist, \
+ sizeof(struct sendlist)))
+
+ static int
+sendcmd(argc, argv)
+ int argc;
+ char **argv;
+{
+ int count; /* how many bytes we are going to need to send */
+ int i;
+ struct sendlist *s; /* pointer to current command */
+ int success = 0;
+ int needconnect = 0;
+
+ if (argc < 2) {
+ printf("need at least one argument for 'send' command\r\n");
+ printf("'send ?' for help\r\n");
+ return 0;
+ }
+ /*
+ * First, validate all the send arguments.
+ * In addition, we see how much space we are going to need, and
+ * whether or not we will be doing a "SYNCH" operation (which
+ * flushes the network queue).
+ */
+ count = 0;
+ for (i = 1; i < argc; i++) {
+ s = GETSEND(argv[i]);
+ if (s == 0) {
+ printf("Unknown send argument '%s'\r\n'send ?' for help.\r\n",
+ argv[i]);
+ return 0;
+ } else if (Ambiguous(s)) {
+ printf("Ambiguous send argument '%s'\r\n'send ?' for help.\r\n",
+ argv[i]);
+ return 0;
+ }
+ if (i + s->narg >= argc) {
+ fprintf(stderr,
+ "Need %d argument%s to 'send %s' command. 'send %s ?' for help.\r\n",
+ s->narg, s->narg == 1 ? "" : "s", s->name, s->name);
+ return 0;
+ }
+ count += s->nbyte;
+ if (s->handler == send_help) {
+ send_help();
+ return 0;
+ }
+
+ i += s->narg;
+ needconnect += s->needconnect;
+ }
+ if (!connected && needconnect) {
+ printf("?Need to be connected first.\r\n");
+ printf("'send ?' for help\r\n");
+ return 0;
+ }
+ /* Now, do we have enough room? */
+ if (NETROOM() < count) {
+ printf("There is not enough room in the buffer TO the network\r\n");
+ printf("to process your request. Nothing will be done.\r\n");
+ printf("('send synch' will throw away most data in the network\r\n");
+ printf("buffer, if this might help.)\r\n");
+ return 0;
+ }
+ /* OK, they are all OK, now go through again and actually send */
+ count = 0;
+ for (i = 1; i < argc; i++) {
+ if ((s = GETSEND(argv[i])) == 0) {
+ fprintf(stderr, "Telnet 'send' error - argument disappeared!\r\n");
+ (void) quit();
+ /*NOTREACHED*/
+ }
+ if (s->handler) {
+ count++;
+ success += (*s->handler)((s->narg > 0) ? argv[i+1] : 0,
+ (s->narg > 1) ? argv[i+2] : 0);
+ i += s->narg;
+ } else {
+ NET2ADD(IAC, s->what);
+ printoption("SENT", IAC, s->what);
+ }
+ }
+ return (count == success);
+}
+
+ static int
+send_tncmd(void (*func)(), char *cmd, char *name);
+
+ static int
+send_esc()
+{
+ NETADD(escape);
+ return 1;
+}
+
+ static int
+send_docmd(name)
+ char *name;
+{
+ return(send_tncmd(send_do, "do", name));
+}
+
+ static int
+send_dontcmd(name)
+ char *name;
+{
+ return(send_tncmd(send_dont, "dont", name));
+}
+ static int
+send_willcmd(name)
+ char *name;
+{
+ return(send_tncmd(send_will, "will", name));
+}
+ static int
+send_wontcmd(name)
+ char *name;
+{
+ return(send_tncmd(send_wont, "wont", name));
+}
+
+ int
+send_tncmd(func, cmd, name)
+ void (*func)();
+ char *cmd, *name;
+{
+ char **cpp;
+ extern char *telopts[];
+ int val = 0;
+
+ if (isprefix(name, "help") || isprefix(name, "?")) {
+ int col, len;
+
+ printf("Usage: send %s <value|option>\r\n", cmd);
+ printf("\"value\" must be from 0 to 255\r\n");
+ printf("Valid options are:\r\n\t");
+
+ col = 8;
+ for (cpp = telopts; *cpp; cpp++) {
+ len = strlen(*cpp) + 3;
+ if (col + len > 65) {
+ printf("\r\n\t");
+ col = 8;
+ }
+ printf(" \"%s\"", *cpp);
+ col += len;
+ }
+ printf("\r\n");
+ return 0;
+ }
+ cpp = (char **)genget(name, telopts, sizeof(char *));
+ if (Ambiguous(cpp)) {
+ fprintf(stderr,"'%s': ambiguous argument ('send %s ?' for help).\r\n",
+ name, cmd);
+ return 0;
+ }
+ if (cpp) {
+ val = cpp - telopts;
+ } else {
+ char *cp = name;
+
+ while (*cp >= '0' && *cp <= '9') {
+ val *= 10;
+ val += *cp - '0';
+ cp++;
+ }
+ if (*cp != 0) {
+ fprintf(stderr, "'%s': unknown argument ('send %s ?' for help).\r\n",
+ name, cmd);
+ return 0;
+ } else if (val < 0 || val > 255) {
+ fprintf(stderr, "'%s': bad value ('send %s ?' for help).\r\n",
+ name, cmd);
+ return 0;
+ }
+ }
+ if (!connected) {
+ printf("?Need to be connected first.\r\n");
+ return 0;
+ }
+ (*func)(val, 1);
+ return 1;
+}
+
+ static int
+send_help()
+{
+ struct sendlist *s; /* pointer to current command */
+ for (s = Sendlist; s->name; s++) {
+ if (s->help)
+ printf("%-15s %s\r\n", s->name, s->help);
+ }
+ return(0);
+}
+
+/*
+ * The following are the routines and data structures referred
+ * to by the arguments to the "toggle" command.
+ */
+
+ static int
+lclchars()
+{
+ donelclchars = 1;
+ return 1;
+}
+
+ static int
+togdebug()
+{
+#ifndef NOT43
+ if (net > 0 &&
+ (SetSockOpt(net, SOL_SOCKET, SO_DEBUG, debug)) < 0) {
+ perror("setsockopt (SO_DEBUG)");
+ }
+#else /* NOT43 */
+ if (debug) {
+ if (net > 0 && SetSockOpt(net, SOL_SOCKET, SO_DEBUG, 0, 0) < 0)
+ perror("setsockopt (SO_DEBUG)");
+ } else
+ printf("Cannot turn off socket debugging\r\n");
+#endif /* NOT43 */
+ return 1;
+}
+
+
+ static int
+togcrlf()
+{
+ if (crlf) {
+ printf("Will send carriage returns as telnet <CR><LF>.\r\n");
+ } else {
+ printf("Will send carriage returns as telnet <CR><NUL>.\r\n");
+ }
+ return 1;
+}
+
+int binmode;
+
+ static int
+togbinary(val)
+ int val;
+{
+ donebinarytoggle = 1;
+
+ if (val >= 0) {
+ binmode = val;
+ } else {
+ if (my_want_state_is_will(TELOPT_BINARY) &&
+ my_want_state_is_do(TELOPT_BINARY)) {
+ binmode = 1;
+ } else if (my_want_state_is_wont(TELOPT_BINARY) &&
+ my_want_state_is_dont(TELOPT_BINARY)) {
+ binmode = 0;
+ }
+ val = binmode ? 0 : 1;
+ }
+
+ if (val == 1) {
+ if (my_want_state_is_will(TELOPT_BINARY) &&
+ my_want_state_is_do(TELOPT_BINARY)) {
+ printf("Already operating in binary mode with remote host.\r\n");
+ } else {
+ printf("Negotiating binary mode with remote host.\r\n");
+ tel_enter_binary(3);
+ }
+ } else {
+ if (my_want_state_is_wont(TELOPT_BINARY) &&
+ my_want_state_is_dont(TELOPT_BINARY)) {
+ printf("Already in network ascii mode with remote host.\r\n");
+ } else {
+ printf("Negotiating network ascii mode with remote host.\r\n");
+ tel_leave_binary(3);
+ }
+ }
+ return 1;
+}
+
+ static int
+togrbinary(val)
+ int val;
+{
+ donebinarytoggle = 1;
+
+ if (val == -1)
+ val = my_want_state_is_do(TELOPT_BINARY) ? 0 : 1;
+
+ if (val == 1) {
+ if (my_want_state_is_do(TELOPT_BINARY)) {
+ printf("Already receiving in binary mode.\r\n");
+ } else {
+ printf("Negotiating binary mode on input.\r\n");
+ tel_enter_binary(1);
+ }
+ } else {
+ if (my_want_state_is_dont(TELOPT_BINARY)) {
+ printf("Already receiving in network ascii mode.\r\n");
+ } else {
+ printf("Negotiating network ascii mode on input.\r\n");
+ tel_leave_binary(1);
+ }
+ }
+ return 1;
+}
+
+ static int
+togxbinary(val)
+ int val;
+{
+ donebinarytoggle = 1;
+
+ if (val == -1)
+ val = my_want_state_is_will(TELOPT_BINARY) ? 0 : 1;
+
+ if (val == 1) {
+ if (my_want_state_is_will(TELOPT_BINARY)) {
+ printf("Already transmitting in binary mode.\r\n");
+ } else {
+ printf("Negotiating binary mode on output.\r\n");
+ tel_enter_binary(2);
+ }
+ } else {
+ if (my_want_state_is_wont(TELOPT_BINARY)) {
+ printf("Already transmitting in network ascii mode.\r\n");
+ } else {
+ printf("Negotiating network ascii mode on output.\r\n");
+ tel_leave_binary(2);
+ }
+ }
+ return 1;
+}
+
+
+static int togglehelp(void);
+#if defined(AUTHENTICATION)
+extern int auth_togdebug(int);
+#endif
+#if defined(ENCRYPTION)
+extern int EncryptAutoEnc(int);
+extern int EncryptAutoDec(int);
+extern int EncryptDebug(int);
+extern int EncryptVerbose(int);
+#endif
+
+
+struct togglelist {
+ char *name; /* name of toggle */
+ char *help; /* help message */
+ int (*handler)(); /* routine to do actual setting */
+ int *variable;
+ char *actionexplanation;
+ int needconnect; /* Need to be connected */
+};
+
+static struct togglelist Togglelist[] = {
+ { "autoflush",
+ "flushing of output when sending interrupt characters",
+ 0,
+ &autoflush,
+ "flush output when sending interrupt characters", 0 },
+ { "autosynch",
+ "automatic sending of interrupt characters in urgent mode",
+ 0,
+ &autosynch,
+ "send interrupt characters in urgent mode", 0 },
+#if defined(AUTHENTICATION)
+ { "autologin",
+ "automatic sending of login and/or authentication info",
+ 0,
+ &autologin,
+ "send login name and/or authentication information", 0 },
+ { "authdebug",
+ "Toggle authentication debugging",
+ auth_togdebug,
+ 0,
+ "print authentication debugging information", 0 },
+#endif
+#if defined(ENCRYPTION)
+ { "autoencrypt",
+ "automatic encryption of data stream",
+ EncryptAutoEnc,
+ 0,
+ "automatically encrypt output", 0 },
+ { "autodecrypt",
+ "automatic decryption of data stream",
+ EncryptAutoDec,
+ 0,
+ "automatically decrypt input", 0 },
+ { "verbose_encrypt",
+ "Toggle verbose encryption output",
+ EncryptVerbose,
+ 0,
+ "print verbose encryption output", 0 },
+ { "encdebug",
+ "Toggle encryption debugging",
+ EncryptDebug,
+ 0,
+ "print encryption debugging information", 0 },
+#endif
+ { "skiprc",
+ "don't read ~/.telnetrc file",
+ 0,
+ &skiprc,
+ "skip reading of ~/.telnetrc file", 0 },
+ { "binary",
+ "sending and receiving of binary data",
+ togbinary,
+ 0,
+ 0, 0 },
+ { "inbinary",
+ "receiving of binary data",
+ togrbinary,
+ 0,
+ 0, 0 },
+ { "outbinary",
+ "sending of binary data",
+ togxbinary,
+ 0,
+ 0, 0 },
+ { "crlf",
+ "sending carriage returns as telnet <CR><LF>",
+ togcrlf,
+ &crlf,
+ 0, 0 },
+ { "crmod",
+ "mapping of received carriage returns",
+ 0,
+ &crmod,
+ "map carriage return on output", 0 },
+ { "localchars",
+ "local recognition of certain control characters",
+ lclchars,
+ &localchars,
+ "recognize certain control characters", 0 },
+ { " ", "", 0, 0, NULL, 0 }, /* empty line */
+#if defined(unix) && defined(TN3270)
+ { "apitrace",
+ "(debugging) toggle tracing of API transactions",
+ 0,
+ &apitrace,
+ "trace API transactions", 0 },
+ { "cursesdata",
+ "(debugging) toggle printing of hexadecimal curses data",
+ 0,
+ &cursesdata,
+ "print hexadecimal representation of curses data", 0 },
+#endif /* defined(unix) && defined(TN3270) */
+ { "debug",
+ "debugging",
+ togdebug,
+ &debug,
+ "turn on socket level debugging", 0 },
+ { "netdata",
+ "printing of hexadecimal network data (debugging)",
+ 0,
+ &netdata,
+ "print hexadecimal representation of network traffic", 0 },
+ { "prettydump",
+ "output of \"netdata\" to user readable format (debugging)",
+ 0,
+ &prettydump,
+ "print user readable output for \"netdata\"", 0 },
+ { "options",
+ "viewing of options processing (debugging)",
+ 0,
+ &showoptions,
+ "show option processing", 0 },
+#if defined(unix)
+ { "termdata",
+ "(debugging) toggle printing of hexadecimal terminal data",
+ 0,
+ &termdata,
+ "print hexadecimal representation of terminal traffic", 0 },
+#endif /* defined(unix) */
+ { "?",
+ 0,
+ togglehelp, 0, NULL, 0 },
+ { "help",
+ 0,
+ togglehelp, 0, NULL, 0 },
+ { 0, 0, 0, 0, 0, 0 }
+};
+
+ static int
+togglehelp()
+{
+ struct togglelist *c;
+
+ for (c = Togglelist; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s toggle %s\r\n", c->name, c->help);
+ else
+ printf("\r\n");
+ }
+ }
+ printf("\r\n");
+ printf("%-15s %s\r\n", "?", "display help information");
+ return 0;
+}
+
+ static void
+settogglehelp(set)
+ int set;
+{
+ struct togglelist *c;
+
+ for (c = Togglelist; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s %s %s\r\n", c->name, set ? "enable" : "disable",
+ c->help);
+ else
+ printf("\r\n");
+ }
+ }
+}
+
+#define GETTOGGLE(name) (struct togglelist *) \
+ genget(name, (char **) Togglelist, sizeof(struct togglelist))
+
+ static int
+toggle(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int retval = 1;
+ char *name;
+ struct togglelist *c;
+
+ if (argc < 2) {
+ fprintf(stderr,
+ "Need an argument to 'toggle' command. 'toggle ?' for help.\r\n");
+ return 0;
+ }
+ argc--;
+ argv++;
+ while (argc--) {
+ name = *argv++;
+ c = GETTOGGLE(name);
+ if (Ambiguous(c)) {
+ fprintf(stderr, "'%s': ambiguous argument ('toggle ?' for help).\r\n",
+ name);
+ return 0;
+ } else if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('toggle ?' for help).\r\n",
+ name);
+ return 0;
+ } else if (!connected && c->needconnect) {
+ printf("?Need to be connected first.\r\n");
+ printf("'send ?' for help\r\n");
+ return 0;
+ } else {
+ if (c->variable) {
+ *c->variable = !*c->variable; /* invert it */
+ if (c->actionexplanation) {
+ printf("%s %s.\r\n", *c->variable? "Will" : "Won't",
+ c->actionexplanation);
+ }
+ }
+ if (c->handler) {
+ retval &= (*c->handler)(-1);
+ }
+ }
+ }
+ return retval;
+}
+
+/*
+ * The following perform the "set" command.
+ */
+
+#ifdef USE_TERMIO
+struct termios new_tc = { 0 };
+#endif
+
+struct setlist {
+ char *name; /* name */
+ char *help; /* help information */
+ void (*handler)();
+ cc_t *charp; /* where it is located at */
+};
+
+static struct setlist Setlist[] = {
+#ifdef KLUDGELINEMODE
+ { "echo", "character to toggle local echoing on/off", 0, &echoc },
+#endif
+ { "escape", "character to escape back to telnet command mode", 0, &escape },
+ { "rlogin", "rlogin escape character", 0, &rlogin },
+ { "tracefile", "file to write trace information to", SetNetTrace, (cc_t *)NetTraceFile},
+ { " ", "" },
+ { " ", "The following need 'localchars' to be toggled true", 0, 0 },
+ { "flushoutput", "character to cause an Abort Output", 0, &termFlushChar },
+ { "interrupt", "character to cause an Interrupt Process", 0, &termIntChar },
+ { "quit", "character to cause an Abort process", 0, &termQuitChar },
+ { "eof", "character to cause an EOF ", 0, &termEofChar },
+ { " ", "" },
+ { " ", "The following are for local editing in linemode", 0, 0 },
+ { "erase", "character to use to erase a character", 0, &termEraseChar },
+ { "kill", "character to use to erase a line", 0, &termKillChar },
+ { "lnext", "character to use for literal next", 0, &termLiteralNextChar },
+ { "susp", "character to cause a Suspend Process", 0, &termSuspChar },
+ { "reprint", "character to use for line reprint", 0, &termRprntChar },
+ { "worderase", "character to use to erase a word", 0, &termWerasChar },
+ { "start", "character to use for XON", 0, &termStartChar },
+ { "stop", "character to use for XOFF", 0, &termStopChar },
+ { "forw1", "alternate end of line character", 0, &termForw1Char },
+ { "forw2", "alternate end of line character", 0, &termForw2Char },
+ { "ayt", "alternate AYT character", 0, &termAytChar },
+ { 0 }
+};
+
+ static struct setlist *
+getset(name)
+ char *name;
+{
+ return (struct setlist *)
+ genget(name, (char **) Setlist, sizeof(struct setlist));
+}
+
+ void
+set_escape_char(s)
+ char *s;
+{
+ if (rlogin != _POSIX_VDISABLE) {
+ rlogin = (s && *s) ? special(s) : _POSIX_VDISABLE;
+ printf("Telnet rlogin escape character is '%s'.\r\n",
+ control(rlogin));
+ } else {
+ escape = (s && *s) ? special(s) : _POSIX_VDISABLE;
+ printf("Telnet escape character is '%s'.\r\n", control(escape));
+ }
+}
+
+ static int
+setcmd(argc, argv)
+ int argc;
+ char *argv[];
+{
+ int value;
+ struct setlist *ct;
+ struct togglelist *c;
+
+ if (argc < 2 || argc > 3) {
+ printf("Format is 'set Name Value'\r\n'set ?' for help.\r\n");
+ return 0;
+ }
+ if ((argc == 2) && (isprefix(argv[1], "?") || isprefix(argv[1], "help"))) {
+ for (ct = Setlist; ct->name; ct++)
+ printf("%-15s %s\r\n", ct->name, ct->help);
+ printf("\r\n");
+ settogglehelp(1);
+ printf("%-15s %s\r\n", "?", "display help information");
+ return 0;
+ }
+
+ ct = getset(argv[1]);
+ if (ct == 0) {
+ c = GETTOGGLE(argv[1]);
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('set ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ } else if (Ambiguous(c)) {
+ fprintf(stderr, "'%s': ambiguous argument ('set ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ } else if (!connected && c->needconnect) {
+ printf("?Need to be connected first.\r\n");
+ printf("'send ?' for help\r\n");
+ return 0;
+ }
+
+ if (c->variable) {
+ if ((argc == 2) || (strcmp("on", argv[2]) == 0))
+ *c->variable = 1;
+ else if (strcmp("off", argv[2]) == 0)
+ *c->variable = 0;
+ else {
+ printf("Format is 'set togglename [on|off]'\r\n'set ?' for help.\r\n");
+ return 0;
+ }
+ if (c->actionexplanation) {
+ printf("%s %s.\r\n", *c->variable? "Will" : "Won't",
+ c->actionexplanation);
+ }
+ }
+ if (c->handler)
+ (*c->handler)(1);
+ } else if (argc != 3) {
+ printf("Format is 'set Name Value'\r\n'set ?' for help.\r\n");
+ return 0;
+ } else if (Ambiguous(ct)) {
+ fprintf(stderr, "'%s': ambiguous argument ('set ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ } else if (ct->handler) {
+ (*ct->handler)(argv[2]);
+ printf("%s set to \"%s\".\r\n", ct->name, (char *)ct->charp);
+ } else {
+ if (strcmp("off", argv[2])) {
+ value = special(argv[2]);
+ } else {
+ value = _POSIX_VDISABLE;
+ }
+ *(ct->charp) = (cc_t)value;
+ printf("%s character is '%s'.\r\n", ct->name, control(*(ct->charp)));
+ }
+ slc_check();
+ return 1;
+}
+
+ static int
+unsetcmd(argc, argv)
+ int argc;
+ char *argv[];
+{
+ struct setlist *ct;
+ struct togglelist *c;
+ char *name;
+
+ if (argc < 2) {
+ fprintf(stderr,
+ "Need an argument to 'unset' command. 'unset ?' for help.\r\n");
+ return 0;
+ }
+ if (isprefix(argv[1], "?") || isprefix(argv[1], "help")) {
+ for (ct = Setlist; ct->name; ct++)
+ printf("%-15s %s\r\n", ct->name, ct->help);
+ printf("\r\n");
+ settogglehelp(0);
+ printf("%-15s %s\r\n", "?", "display help information");
+ return 0;
+ }
+
+ argc--;
+ argv++;
+ while (argc--) {
+ name = *argv++;
+ ct = getset(name);
+ if (ct == 0) {
+ c = GETTOGGLE(name);
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('unset ?' for help).\r\n",
+ name);
+ return 0;
+ } else if (Ambiguous(c)) {
+ fprintf(stderr, "'%s': ambiguous argument ('unset ?' for help).\r\n",
+ name);
+ return 0;
+ }
+ if (c->variable) {
+ *c->variable = 0;
+ if (c->actionexplanation) {
+ printf("%s %s.\r\n", *c->variable? "Will" : "Won't",
+ c->actionexplanation);
+ }
+ }
+ if (c->handler)
+ (*c->handler)(0);
+ } else if (Ambiguous(ct)) {
+ fprintf(stderr, "'%s': ambiguous argument ('unset ?' for help).\r\n",
+ name);
+ return 0;
+ } else if (ct->handler) {
+ (*ct->handler)(0);
+ printf("%s reset to \"%s\".\r\n", ct->name, (char *)ct->charp);
+ } else {
+ *(ct->charp) = _POSIX_VDISABLE;
+ printf("%s character is '%s'.\r\n", ct->name, control(*(ct->charp)));
+ }
+ }
+ return 1;
+}
+
+/*
+ * The following are the data structures and routines for the
+ * 'mode' command.
+ */
+#ifdef KLUDGELINEMODE
+extern int kludgelinemode;
+
+ static int
+dokludgemode()
+{
+ kludgelinemode = 1;
+ send_wont(TELOPT_LINEMODE, 1);
+ send_dont(TELOPT_SGA, 1);
+ send_dont(TELOPT_ECHO, 1);
+ return 1;
+}
+#endif
+
+ static int
+dolinemode()
+{
+#ifdef KLUDGELINEMODE
+ if (kludgelinemode)
+ send_dont(TELOPT_SGA, 1);
+#endif
+ send_will(TELOPT_LINEMODE, 1);
+ send_dont(TELOPT_ECHO, 1);
+ return 1;
+}
+
+ static int
+docharmode()
+{
+#ifdef KLUDGELINEMODE
+ if (kludgelinemode)
+ send_do(TELOPT_SGA, 1);
+ else
+#endif
+ send_wont(TELOPT_LINEMODE, 1);
+ send_do(TELOPT_ECHO, 1);
+ return 1;
+}
+
+ static int
+dolmmode(bit, on)
+ int bit, on;
+{
+ unsigned char c;
+ extern int linemode;
+
+ if (my_want_state_is_wont(TELOPT_LINEMODE)) {
+ printf("?Need to have LINEMODE option enabled first.\r\n");
+ printf("'mode ?' for help.\r\n");
+ return 0;
+ }
+
+ if (on)
+ c = (linemode | bit);
+ else
+ c = (linemode & ~bit);
+ lm_mode(&c, 1, 1);
+ return 1;
+}
+
+ int
+tn_setmode(bit)
+{
+ return dolmmode(bit, 1);
+}
+
+ int
+tn_clearmode(bit)
+{
+ return dolmmode(bit, 0);
+}
+
+struct modelist {
+ char *name; /* command name */
+ char *help; /* help string */
+ int (*handler)(); /* routine which executes command */
+ int needconnect; /* Do we need to be connected to execute? */
+ int arg1;
+};
+
+static int modehelp(void);
+
+static struct modelist ModeList[] = {
+ { "character", "Disable LINEMODE option", docharmode, 1, 0 },
+#ifdef KLUDGELINEMODE
+ { "", "(or disable obsolete line-by-line mode)", 0, 0, 0 },
+#endif
+ { "line", "Enable LINEMODE option", dolinemode, 1, 0 },
+#ifdef KLUDGELINEMODE
+ { "", "(or enable obsolete line-by-line mode)", 0, 0, 0 },
+#endif
+ { "", "", 0, 0, 0 },
+ { "", "These require the LINEMODE option to be enabled", 0, 0, 0 },
+ { "isig", "Enable signal trapping", tn_setmode, 1, MODE_TRAPSIG },
+ { "+isig", 0, tn_setmode, 1, MODE_TRAPSIG },
+ { "-isig", "Disable signal trapping", tn_clearmode, 1, MODE_TRAPSIG },
+ { "edit", "Enable character editing", tn_setmode, 1, MODE_EDIT },
+ { "+edit", 0, tn_setmode, 1, MODE_EDIT },
+ { "-edit", "Disable character editing", tn_clearmode, 1, MODE_EDIT },
+ { "softtabs", "Enable tab expansion", tn_setmode, 1, MODE_SOFT_TAB },
+ { "+softtabs", 0, tn_setmode, 1, MODE_SOFT_TAB },
+ { "-softtabs", "Disable character editing", tn_clearmode, 1, MODE_SOFT_TAB },
+ { "litecho", "Enable literal character echo", tn_setmode, 1, MODE_LIT_ECHO },
+ { "+litecho", 0, tn_setmode, 1, MODE_LIT_ECHO },
+ { "-litecho", "Disable literal character echo", tn_clearmode, 1, MODE_LIT_ECHO },
+ { "help", 0, modehelp, 0, 0 },
+#ifdef KLUDGELINEMODE
+ { "kludgeline", 0, dokludgemode, 1, 0 },
+#endif
+ { "", "", 0, 0, 0 },
+ { "?", "Print help information", modehelp, 0, 0 },
+ { 0, 0, 0, 0, 0 },
+};
+
+
+ static int
+modehelp()
+{
+ struct modelist *mt;
+
+ printf("format is: 'mode Mode', where 'Mode' is one of:\r\n\r\n");
+ for (mt = ModeList; mt->name; mt++) {
+ if (mt->help) {
+ if (*mt->help)
+ printf("%-15s %s\r\n", mt->name, mt->help);
+ else
+ printf("\r\n");
+ }
+ }
+ return 0;
+}
+
+#define GETMODECMD(name) (struct modelist *) \
+ genget(name, (char **) ModeList, sizeof(struct modelist))
+
+ static int
+modecmd(argc, argv)
+ int argc;
+ char *argv[];
+{
+ struct modelist *mt;
+
+ if (argc != 2) {
+ printf("'mode' command requires an argument\r\n");
+ printf("'mode ?' for help.\r\n");
+ } else if ((mt = GETMODECMD(argv[1])) == 0) {
+ fprintf(stderr, "Unknown mode '%s' ('mode ?' for help).\r\n", argv[1]);
+ } else if (Ambiguous(mt)) {
+ fprintf(stderr, "Ambiguous mode '%s' ('mode ?' for help).\r\n", argv[1]);
+ } else if (mt->needconnect && !connected) {
+ printf("?Need to be connected first.\r\n");
+ printf("'mode ?' for help.\r\n");
+ } else if (mt->handler) {
+ return (*mt->handler)(mt->arg1);
+ }
+ return 0;
+}
+
+/*
+ * The following data structures and routines implement the
+ * "display" command.
+ */
+
+ static int
+display(argc, argv)
+ int argc;
+ char *argv[];
+{
+ struct togglelist *tl;
+ struct setlist *sl;
+
+#define dotog(tl) if (tl->variable && tl->actionexplanation) { \
+ if (*tl->variable) { \
+ printf("will"); \
+ } else { \
+ printf("won't"); \
+ } \
+ printf(" %s.\r\n", tl->actionexplanation); \
+ }
+
+#define doset(sl) if (sl->name && *sl->name != ' ') { \
+ if (sl->handler == 0) \
+ printf("%-15s [%s]\r\n", sl->name, control(*sl->charp)); \
+ else \
+ printf("%-15s \"%s\"\r\n", sl->name, (char *)sl->charp); \
+ }
+
+ if (argc == 1) {
+ for (tl = Togglelist; tl->name; tl++) {
+ dotog(tl);
+ }
+ printf("\r\n");
+ for (sl = Setlist; sl->name; sl++) {
+ doset(sl);
+ }
+ } else {
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ sl = getset(argv[i]);
+ tl = GETTOGGLE(argv[i]);
+ if (Ambiguous(sl) || Ambiguous(tl)) {
+ printf("?Ambiguous argument '%s'.\r\n", argv[i]);
+ return 0;
+ } else if (!sl && !tl) {
+ printf("?Unknown argument '%s'.\r\n", argv[i]);
+ return 0;
+ } else {
+ if (tl) {
+ dotog(tl);
+ }
+ if (sl) {
+ doset(sl);
+ }
+ }
+ }
+ }
+/*@*/optionstatus();
+#if defined(ENCRYPTION)
+ EncryptStatus();
+#endif
+ return 1;
+#undef doset
+#undef dotog
+}
+
+/*
+ * The following are the data structures, and many of the routines,
+ * relating to command processing.
+ */
+
+/*
+ * Set the escape character.
+ */
+ static int
+setescape(argc, argv)
+ int argc;
+ char *argv[];
+{
+ char *arg;
+ char buf[50];
+
+ printf(
+ "Deprecated usage - please use 'set escape%s%s' in the future.\r\n",
+ (argc > 2)? " ":"", (argc > 2)? argv[1]: "");
+ if (argc > 2)
+ arg = argv[1];
+ else {
+ printf("new escape character: ");
+ (void) fgets(buf, sizeof(buf), stdin);
+ arg = buf;
+ }
+ if (arg[0] != '\0')
+ escape = arg[0];
+ if (!In3270) {
+ printf("Escape character is '%s'.\r\n", control(escape));
+ }
+ (void) fflush(stdout);
+ return 1;
+}
+
+ /*VARARGS*/
+ static int
+togcrmod()
+{
+ crmod = !crmod;
+ printf("Deprecated usage - please use 'toggle crmod' in the future.\r\n");
+ printf("%s map carriage return on output.\r\n", crmod ? "Will" : "Won't");
+ (void) fflush(stdout);
+ return 1;
+}
+
+ /*VARARGS*/
+ int
+telnetsuspend()
+{
+#ifdef SIGTSTP
+ setcommandmode();
+ {
+ long oldrows, oldcols, newrows, newcols, err;
+
+ err = (TerminalWindowSize(&oldrows, &oldcols) == 0) ? 1 : 0;
+ (void) kill(0, SIGTSTP);
+ /*
+ * If we didn't get the window size before the SUSPEND, but we
+ * can get them now (?), then send the NAWS to make sure that
+ * we are set up for the right window size.
+ */
+ if (TerminalWindowSize(&newrows, &newcols) && connected &&
+ (err || ((oldrows != newrows) || (oldcols != newcols)))) {
+ sendnaws();
+ }
+ }
+ /* reget parameters in case they were changed */
+ TerminalSaveState();
+ setconnmode(0);
+#else
+ printf("Suspend is not supported. Try the '!' command instead\r\n");
+#endif
+ return 1;
+}
+
+#if !defined(TN3270)
+ /*ARGSUSED*/
+ int
+shell(argc, argv)
+ int argc;
+ char *argv[];
+{
+ long oldrows, oldcols, newrows, newcols, err;
+
+ setcommandmode();
+
+ err = (TerminalWindowSize(&oldrows, &oldcols) == 0) ? 1 : 0;
+ switch(vfork()) {
+ case -1:
+ perror("Fork failed\r\n");
+ break;
+
+ case 0:
+ {
+ /*
+ * Fire up the shell in the child.
+ */
+ char *shellp, *shellname;
+
+ shellp = getenv("SHELL");
+ if (shellp == NULL)
+ shellp = "/bin/sh";
+ if ((shellname = strrchr(shellp, '/')) == 0)
+ shellname = shellp;
+ else
+ shellname++;
+ if (argc > 1)
+ execl(shellp, shellname, "-c", &saveline[1], (char *)NULL);
+ else
+ execl(shellp, shellname, (char *)NULL);
+ perror("Execl");
+ _exit(1);
+ }
+ default:
+ (void)wait((int *)0); /* Wait for the shell to complete */
+
+ if (TerminalWindowSize(&newrows, &newcols) && connected &&
+ (err || ((oldrows != newrows) || (oldcols != newcols)))) {
+ sendnaws();
+ }
+ break;
+ }
+ return 1;
+}
+#else /* !defined(TN3270) */
+extern int shell();
+#endif /* !defined(TN3270) */
+
+ /*VARARGS*/
+ static int
+bye(argc, argv)
+ int argc; /* Number of arguments */
+ char *argv[]; /* arguments */
+{
+ extern int resettermname;
+
+ if (connected) {
+ (void) shutdown(net, 2);
+ printf("Connection closed.\r\n");
+ (void) NetClose(net);
+ connected = 0;
+ resettermname = 1;
+#if defined(AUTHENTICATION) || defined(ENCRYPTION)
+ auth_encrypt_connect(connected);
+#endif /* defined(AUTHENTICATION) */
+ /* reset options */
+ tninit();
+#if defined(TN3270)
+ SetIn3270(); /* Get out of 3270 mode */
+#endif /* defined(TN3270) */
+ }
+ if ((argc != 2) || (strcmp(argv[1], "fromquit") != 0)) {
+ longjmp(toplevel, 1);
+ /* NOTREACHED */
+ }
+ return 0; /* NOTREACHED */
+}
+
+/*VARARGS*/
+ int
+quit()
+{
+ (void) call(bye, "bye", "fromquit", 0);
+ Exit(0);
+ return 0; /*NOTREACHED*/
+}
+
+/*VARARGS*/
+ static int
+logout()
+{
+ send_do(TELOPT_LOGOUT, 1);
+ (void) netflush();
+ return 1;
+}
+
+
+/*
+ * The SLC command.
+ */
+
+struct slclist {
+ char *name;
+ char *help;
+ void (*handler)();
+ int arg;
+};
+
+static void slc_help();
+
+struct slclist SlcList[] = {
+ { "export", "Use local special character definitions",
+ slc_mode_export, 0 },
+ { "import", "Use remote special character definitions",
+ slc_mode_import, 1 },
+ { "check", "Verify remote special character definitions",
+ slc_mode_import, 0 },
+ { "help", 0, slc_help, 0 },
+ { "?", "Print help information", slc_help, 0 },
+ { 0 },
+};
+
+ static void
+slc_help()
+{
+ struct slclist *c;
+
+ for (c = SlcList; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s %s\r\n", c->name, c->help);
+ else
+ printf("\r\n");
+ }
+ }
+}
+
+ static struct slclist *
+getslc(name)
+ char *name;
+{
+ return (struct slclist *)
+ genget(name, (char **) SlcList, sizeof(struct slclist));
+}
+
+ static int
+slccmd(argc, argv)
+ int argc;
+ char *argv[];
+{
+ struct slclist *c;
+
+ if (argc != 2) {
+ fprintf(stderr,
+ "Need an argument to 'slc' command. 'slc ?' for help.\r\n");
+ return 0;
+ }
+ c = getslc(argv[1]);
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('slc ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ }
+ if (Ambiguous(c)) {
+ fprintf(stderr, "'%s': ambiguous argument ('slc ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ }
+ (*c->handler)(c->arg);
+ slcstate();
+ return 1;
+}
+
+/*
+ * The ENVIRON command.
+ */
+
+struct envlist {
+ char *name;
+ char *help;
+ void (*handler)();
+ int narg;
+};
+
+static void env_help(void);
+
+struct envlist EnvList[] = {
+ { "define", "Define an environment variable",
+ (void (*)())env_define, 2 },
+ { "undefine", "Undefine an environment variable",
+ env_undefine, 1 },
+ { "export", "Mark an environment variable for automatic export",
+ env_export, 1 },
+ { "unexport", "Don't mark an environment variable for automatic export",
+ env_unexport, 1 },
+ { "send", "Send an environment variable", env_send, 1 },
+ { "list", "List the current environment variables",
+ env_list, 0 },
+#if defined(OLD_ENVIRON) && defined(ENV_HACK)
+ { "varval", "Reverse VAR and VALUE (auto, right, wrong, status)",
+ env_varval, 1 },
+#endif
+ { "help", 0, env_help, 0 },
+ { "?", "Print help information", env_help, 0 },
+ { 0 },
+};
+
+ static void
+env_help()
+{
+ struct envlist *c;
+
+ for (c = EnvList; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s %s\r\n", c->name, c->help);
+ else
+ printf("\r\n");
+ }
+ }
+}
+
+ static struct envlist *
+getenvcmd(name)
+ char *name;
+{
+ return (struct envlist *)
+ genget(name, (char **) EnvList, sizeof(struct envlist));
+}
+
+ int
+env_cmd(argc, argv)
+ int argc;
+ char *argv[];
+{
+ struct envlist *c;
+
+ if (argc < 2) {
+ fprintf(stderr,
+ "Need an argument to 'environ' command. 'environ ?' for help.\r\n");
+ return 0;
+ }
+ c = getenvcmd(argv[1]);
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('environ ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ }
+ if (Ambiguous(c)) {
+ fprintf(stderr, "'%s': ambiguous argument ('environ ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ }
+ if (c->narg + 2 != argc) {
+ fprintf(stderr,
+ "Need %s%d argument%s to 'environ %s' command. 'environ ?' for help.\r\n",
+ c->narg < argc + 2 ? "only " : "",
+ c->narg, c->narg == 1 ? "" : "s", c->name);
+ return 0;
+ }
+ (*c->handler)(argv[2], argv[3]);
+ return 1;
+}
+
+struct env_lst {
+ struct env_lst *next; /* pointer to next structure */
+ struct env_lst *prev; /* pointer to previous structure */
+ unsigned char *var; /* pointer to variable name */
+ unsigned char *value; /* pointer to variable value */
+ int export; /* 1 -> export with default list of variables */
+ int welldefined; /* A well defined variable */
+};
+
+struct env_lst envlisthead;
+
+ struct env_lst *
+env_find(var)
+ unsigned char *var;
+{
+ struct env_lst *ep;
+
+ for (ep = envlisthead.next; ep; ep = ep->next) {
+ if (strcmp((char *)ep->var, (char *)var) == 0)
+ return(ep);
+ }
+ return(NULL);
+}
+
+ void
+env_init()
+{
+ extern char **environ;
+ char **epp, *cp;
+ struct env_lst *ep;
+
+ for (epp = environ; *epp; epp++) {
+ if ((cp = strchr(*epp, '='))) {
+ *cp = '\0';
+ ep = env_define((unsigned char *)*epp,
+ (unsigned char *)cp+1);
+ ep->export = 0;
+ *cp = '=';
+ }
+ }
+ /*
+ * Special case for DISPLAY variable. If it is ":0.0" or
+ * "unix:0.0", we have to get rid of "unix" and insert our
+ * hostname.
+ */
+ if ((ep = env_find("DISPLAY"))
+ && ((*ep->value == ':')
+ || (strncmp((char *)ep->value, "unix:", 5) == 0))) {
+ char hbuf[MAXHOSTNAMELEN];
+ char *cp2 = strchr((char *)ep->value, ':');
+
+ gethostname(hbuf, sizeof hbuf);
+
+ /* If this is not the full name, try to get it via DNS */
+ if (strchr(hbuf, '.') == 0) {
+ struct hostent *he = gethostbyname(hbuf);
+ if (he != 0)
+ strncpy(hbuf, he->h_name, sizeof hbuf-1);
+ hbuf[sizeof hbuf-1] = '\0';
+ }
+
+ asprintf (&cp, "%s%s", hbuf, cp2);
+ if (cp == NULL)
+ err(1, "asprintf");
+
+ free(ep->value);
+ ep->value = (unsigned char *)cp;
+ }
+ /*
+ * If USER is not defined, but LOGNAME is, then add
+ * USER with the value from LOGNAME. By default, we
+ * don't export the USER variable.
+ */
+ if ((env_find("USER") == NULL) && (ep = env_find("LOGNAME"))) {
+ env_define((unsigned char *)"USER", ep->value);
+ env_unexport((unsigned char *)"USER");
+ }
+ env_export((unsigned char *)"DISPLAY");
+ env_export((unsigned char *)"PRINTER");
+ env_export((unsigned char *)"XAUTHORITY");
+}
+
+ struct env_lst *
+env_define(var, value)
+ unsigned char *var, *value;
+{
+ struct env_lst *ep;
+
+ if ((ep = env_find(var))) {
+ if (ep->var)
+ free(ep->var);
+ if (ep->value)
+ free(ep->value);
+ } else {
+ if ((ep = malloc(sizeof(struct env_lst))) == NULL)
+ err(1, "malloc");
+ ep->next = envlisthead.next;
+ envlisthead.next = ep;
+ ep->prev = &envlisthead;
+ if (ep->next)
+ ep->next->prev = ep;
+ }
+ ep->welldefined = opt_welldefined((char *)var);
+ ep->export = 1;
+ if ((ep->var = strdup((char *)var)) == NULL)
+ err(1, "strdup");
+ if ((ep->value = strdup((char *)value)) == NULL)
+ err(1, "strdup");
+ return(ep);
+}
+
+ void
+env_undefine(var)
+ unsigned char *var;
+{
+ struct env_lst *ep;
+
+ if ((ep = env_find(var))) {
+ ep->prev->next = ep->next;
+ if (ep->next)
+ ep->next->prev = ep->prev;
+ if (ep->var)
+ free(ep->var);
+ if (ep->value)
+ free(ep->value);
+ free(ep);
+ }
+}
+
+ void
+env_export(var)
+ unsigned char *var;
+{
+ struct env_lst *ep;
+
+ if ((ep = env_find(var)))
+ ep->export = 1;
+}
+
+ void
+env_unexport(var)
+ unsigned char *var;
+{
+ struct env_lst *ep;
+
+ if ((ep = env_find(var)) != NULL)
+ ep->export = 0;
+}
+
+ void
+env_send(var)
+ unsigned char *var;
+{
+ struct env_lst *ep;
+
+ if (my_state_is_wont(TELOPT_NEW_ENVIRON)
+#ifdef OLD_ENVIRON
+ && my_state_is_wont(TELOPT_OLD_ENVIRON)
+#endif
+ ) {
+ fprintf(stderr,
+ "Cannot send '%s': Telnet ENVIRON option not enabled\r\n",
+ var);
+ return;
+ }
+ ep = env_find(var);
+ if (ep == 0) {
+ fprintf(stderr, "Cannot send '%s': variable not defined\r\n",
+ var);
+ return;
+ }
+ env_opt_start_info();
+ env_opt_add(ep->var);
+ env_opt_end(0);
+}
+
+ void
+env_list()
+{
+ struct env_lst *ep;
+
+ for (ep = envlisthead.next; ep; ep = ep->next) {
+ printf("%c %-20s %s\r\n", ep->export ? '*' : ' ',
+ ep->var, ep->value);
+ }
+}
+
+ unsigned char *
+env_default(init, welldefined)
+ int init;
+ int welldefined;
+{
+ static struct env_lst *nep = NULL;
+
+ if (init) {
+ nep = &envlisthead;
+ return NULL;
+ }
+ if (nep) {
+ while ((nep = nep->next)) {
+ if (nep->export && (nep->welldefined == welldefined))
+ return(nep->var);
+ }
+ }
+ return(NULL);
+}
+
+ unsigned char *
+env_getvalue(var, exported_only)
+ unsigned char *var;
+ int exported_only;
+{
+ struct env_lst *ep;
+
+ if ((ep = env_find(var)) && (!exported_only || ep->export))
+ return(ep->value);
+ return(NULL);
+}
+
+#if defined(OLD_ENVIRON) && defined(ENV_HACK)
+ void
+env_varval(what)
+ unsigned char *what;
+{
+ extern int old_env_var, old_env_value, env_auto;
+ int len = strlen((char *)what);
+
+ if (len == 0)
+ goto unknown;
+
+ if (strncasecmp((char *)what, "status", len) == 0) {
+ if (env_auto)
+ printf("%s%s", "VAR and VALUE are/will be ",
+ "determined automatically\r\n");
+ if (old_env_var == OLD_ENV_VAR)
+ printf("VAR and VALUE set to correct definitions\r\n");
+ else
+ printf("VAR and VALUE definitions are reversed\r\n");
+ } else if (strncasecmp((char *)what, "auto", len) == 0) {
+ env_auto = 1;
+ old_env_var = OLD_ENV_VALUE;
+ old_env_value = OLD_ENV_VAR;
+ } else if (strncasecmp((char *)what, "right", len) == 0) {
+ env_auto = 0;
+ old_env_var = OLD_ENV_VAR;
+ old_env_value = OLD_ENV_VALUE;
+ } else if (strncasecmp((char *)what, "wrong", len) == 0) {
+ env_auto = 0;
+ old_env_var = OLD_ENV_VALUE;
+ old_env_value = OLD_ENV_VAR;
+ } else {
+unknown:
+ printf("Unknown \"varval\" command. (\"auto\", \"right\", \"wrong\", \"status\")\r\n");
+ }
+}
+#endif
+
+#if defined(AUTHENTICATION)
+/*
+ * The AUTHENTICATE command.
+ */
+
+struct authlist {
+ char *name;
+ char *help;
+ int (*handler)();
+ int narg;
+};
+
+static int
+ auth_help(void);
+
+struct authlist AuthList[] = {
+ { "status", "Display current status of authentication information",
+ auth_status, 0 },
+ { "disable", "Disable an authentication type ('auth disable ?' for more)",
+ auth_disable, 1 },
+ { "enable", "Enable an authentication type ('auth enable ?' for more)",
+ auth_enable, 1 },
+ { "help", 0, auth_help, 0 },
+ { "?", "Print help information", auth_help, 0 },
+ { 0 },
+};
+
+ static int
+auth_help()
+{
+ struct authlist *c;
+
+ for (c = AuthList; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s %s\r\n", c->name, c->help);
+ else
+ printf("\r\n");
+ }
+ }
+ return 0;
+}
+
+ int
+auth_cmd(argc, argv)
+ int argc;
+ char *argv[];
+{
+ struct authlist *c;
+
+ if (argc < 2) {
+ fprintf(stderr,
+ "Need an argument to 'auth' command. 'auth ?' for help.\r\n");
+ return 0;
+ }
+
+ c = (struct authlist *)
+ genget(argv[1], (char **) AuthList, sizeof(struct authlist));
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('auth ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ }
+ if (Ambiguous(c)) {
+ fprintf(stderr, "'%s': ambiguous argument ('auth ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ }
+ if (c->narg + 2 != argc) {
+ fprintf(stderr,
+ "Need %s%d argument%s to 'auth %s' command. 'auth ?' for help.\r\n",
+ c->narg < argc + 2 ? "only " : "",
+ c->narg, c->narg == 1 ? "" : "s", c->name);
+ return 0;
+ }
+ return((*c->handler)(argv[2], argv[3]));
+}
+#endif
+
+#if defined(ENCRYPTION)
+/*
+ * The ENCRYPT command.
+ */
+
+struct encryptlist {
+ char *name;
+ char *help;
+ int (*handler)();
+ int needconnect;
+ int minarg;
+ int maxarg;
+};
+
+static int
+ EncryptHelp (void);
+
+struct encryptlist EncryptList[] = {
+ { "enable", "Enable encryption. ('encrypt enable ?' for more)",
+ EncryptEnable, 1, 1, 2 },
+ { "disable", "Disable encryption. ('encrypt enable ?' for more)",
+ EncryptDisable, 0, 1, 2 },
+ { "type", "Set encryption type. ('encrypt type ?' for more)",
+ EncryptType, 0, 1, 1 },
+ { "start", "Start encryption. ('encrypt start ?' for more)",
+ EncryptStart, 1, 0, 1 },
+ { "stop", "Stop encryption. ('encrypt stop ?' for more)",
+ EncryptStop, 1, 0, 1 },
+ { "input", "Start encrypting the input stream",
+ EncryptStartInput, 1, 0, 0 },
+ { "-input", "Stop encrypting the input stream",
+ EncryptStopInput, 1, 0, 0 },
+ { "output", "Start encrypting the output stream",
+ EncryptStartOutput, 1, 0, 0 },
+ { "-output", "Stop encrypting the output stream",
+ EncryptStopOutput, 1, 0, 0 },
+
+ { "status", "Display current status of authentication information",
+ EncryptStatus, 0, 0, 0 },
+ { "help", 0, EncryptHelp, 0, 0, 0 },
+ { "?", "Print help information", EncryptHelp, 0, 0, 0 },
+ { 0 },
+};
+
+static int
+EncryptHelp()
+{
+ struct encryptlist *c;
+
+ for (c = EncryptList; c->name; c++) {
+ if (c->help) {
+ if (*c->help)
+ printf("%-15s %s\r\n", c->name, c->help);
+ else
+ printf("\r\n");
+ }
+ }
+ return 0;
+}
+
+static int
+encrypt_cmd(int argc, char **argv)
+{
+ struct encryptlist *c;
+
+ if (argc < 2) {
+ fprintf(stderr, "Need at least one argument for 'encrypt' command.\n");
+ fprintf(stderr, "('encrypt ?' for help)\n");
+ return 0;
+ }
+
+ c = (struct encryptlist *)
+ genget(argv[1], (char **) EncryptList, sizeof(struct encryptlist));
+ if (c == 0) {
+ fprintf(stderr, "'%s': unknown argument ('encrypt ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ }
+ if (Ambiguous(c)) {
+ fprintf(stderr, "'%s': ambiguous argument ('encrypt ?' for help).\r\n",
+ argv[1]);
+ return 0;
+ }
+ argc -= 2;
+ if (argc < c->minarg || argc > c->maxarg) {
+ if (c->minarg == c->maxarg) {
+ fprintf(stderr, "Need %s%d argument%s ",
+ c->minarg < argc ? "only " : "", c->minarg,
+ c->minarg == 1 ? "" : "s");
+ } else {
+ fprintf(stderr, "Need %s%d-%d arguments ",
+ c->maxarg < argc ? "only " : "", c->minarg, c->maxarg);
+ }
+ fprintf(stderr, "to 'encrypt %s' command. 'encrypt ?' for help.\r\n",
+ c->name);
+ return 0;
+ }
+ if (c->needconnect && !connected) {
+ if (!(argc && (isprefix(argv[2], "help") || isprefix(argv[2], "?")))) {
+ printf("?Need to be connected first.\r\n");
+ return 0;
+ }
+ }
+ return ((*c->handler)(argc > 0 ? argv[2] : 0,
+ argc > 1 ? argv[3] : 0,
+ argc > 2 ? argv[4] : 0));
+}
+#endif
+
+#if defined(unix) && defined(TN3270)
+ static void
+filestuff(fd)
+ int fd;
+{
+ int res;
+
+#ifdef F_GETOWN
+ setconnmode(0);
+ res = fcntl(fd, F_GETOWN, 0);
+ setcommandmode();
+
+ if (res == -1) {
+ perror("fcntl");
+ return;
+ }
+ printf("\tOwner is %d.\r\n", res);
+#endif
+
+ setconnmode(0);
+ res = fcntl(fd, F_GETFL, 0);
+ setcommandmode();
+
+ if (res == -1) {
+ perror("fcntl");
+ return;
+ }
+#ifdef notdef
+ printf("\tFlags are 0x%x: %s\r\n", res, decodeflags(res));
+#endif
+}
+#endif /* defined(unix) && defined(TN3270) */
+
+/*
+ * Print status about the connection.
+ */
+ /*ARGSUSED*/
+ static int
+status(argc, argv)
+ int argc;
+ char *argv[];
+{
+ if (connected) {
+ printf("Connected to %s.\r\n", hostname);
+ if ((argc < 2) || strcmp(argv[1], "notmuch")) {
+ int mode = getconnmode();
+
+ if (my_want_state_is_will(TELOPT_LINEMODE)) {
+ printf("Operating with LINEMODE option\r\n");
+ printf("%s line editing\r\n", (mode&MODE_EDIT) ? "Local" : "No");
+ printf("%s catching of signals\r\n",
+ (mode&MODE_TRAPSIG) ? "Local" : "No");
+ slcstate();
+#ifdef KLUDGELINEMODE
+ } else if (kludgelinemode && my_want_state_is_dont(TELOPT_SGA)) {
+ printf("Operating in obsolete linemode\r\n");
+#endif
+ } else {
+ printf("Operating in single character mode\r\n");
+ if (localchars)
+ printf("Catching signals locally\r\n");
+ }
+ printf("%s character echo\r\n", (mode&MODE_ECHO) ? "Local" : "Remote");
+ if (my_want_state_is_will(TELOPT_LFLOW))
+ printf("%s flow control\r\n", (mode&MODE_FLOW) ? "Local" : "No");
+#if defined(ENCRYPTION)
+ encrypt_display();
+#endif
+ }
+ } else {
+ printf("No connection.\r\n");
+ }
+# if !defined(TN3270)
+ printf("Escape character is '%s'.\r\n", control(escape));
+ (void) fflush(stdout);
+# else /* !defined(TN3270) */
+ if ((!In3270) && ((argc < 2) || strcmp(argv[1], "notmuch"))) {
+ printf("Escape character is '%s'.\r\n", control(escape));
+ }
+# if defined(unix)
+ if ((argc >= 2) && !strcmp(argv[1], "everything")) {
+ printf("SIGIO received %d time%s.\r\n",
+ sigiocount, (sigiocount == 1)? "":"s");
+ if (In3270) {
+ printf("Process ID %d, process group %d.\r\n",
+ getpid(), getpgrp());
+ printf("Terminal input:\r\n");
+ filestuff(tin);
+ printf("Terminal output:\r\n");
+ filestuff(tout);
+ printf("Network socket:\r\n");
+ filestuff(net);
+ }
+ }
+ if (In3270 && transcom) {
+ printf("Transparent mode command is '%s'.\r\n", transcom);
+ }
+# endif /* defined(unix) */
+ (void) fflush(stdout);
+ if (In3270) {
+ return 0;
+ }
+# endif /* defined(TN3270) */
+ fflush(stdout);
+ return 1;
+}
+
+#ifdef SIGINFO
+/*
+ * Function that gets called when SIGINFO is received.
+ */
+void
+ayt_status()
+{
+ (void) call(status, "status", "notmuch", 0);
+}
+#endif
+
+static Command *getcmd(char *name);
+
+static void
+cmdrc(char *m1, char *m2)
+{
+ static char rcname[128];
+ Command *c;
+ FILE *rcfile;
+ int gotmachine = 0;
+ int l1 = strlen(m1);
+ int l2 = strlen(m2);
+ char m1save[MAXHOSTNAMELEN];
+
+ if (skiprc)
+ return;
+
+ strncpy(m1save, m1, sizeof(m1save));
+ m1 = m1save;
+
+ if (rcname[0] == 0) {
+ char *home = getenv("HOME");
+
+ if (home == NULL || *home == '\0')
+ return;
+ snprintf (rcname, sizeof(rcname), "%s/.telnetrc",
+ home ? home : "");
+ }
+
+ if ((rcfile = fopen(rcname, "r")) == 0) {
+ return;
+ }
+
+ for (;;) {
+ if (fgets(line, sizeof(line), rcfile) == NULL)
+ break;
+ if (line[0] == 0)
+ break;
+ if (line[0] == '#')
+ continue;
+ if (gotmachine) {
+ if (!isspace(line[0]))
+ gotmachine = 0;
+ }
+ if (gotmachine == 0) {
+ if (isspace(line[0]))
+ continue;
+ if (strncasecmp(line, m1, l1) == 0)
+ strncpy(line, &line[l1], sizeof(line) - l1);
+ else if (strncasecmp(line, m2, l2) == 0)
+ strncpy(line, &line[l2], sizeof(line) - l2);
+ else if (strncasecmp(line, "DEFAULT", 7) == 0)
+ strncpy(line, &line[7], sizeof(line) - 7);
+ else
+ continue;
+ if (line[0] != ' ' && line[0] != '\t' && line[0] != '\n')
+ continue;
+ gotmachine = 1;
+ }
+ makeargv();
+ if (margv[0] == 0)
+ continue;
+ c = getcmd(margv[0]);
+ if (Ambiguous(c)) {
+ printf("?Ambiguous command: %s\r\n", margv[0]);
+ continue;
+ }
+ if (c == 0) {
+ printf("?Invalid command: %s\r\n", margv[0]);
+ continue;
+ }
+ /*
+ * This should never happen...
+ */
+ if (c->needconnect && !connected) {
+ printf("?Need to be connected first for %s.\r\n", margv[0]);
+ continue;
+ }
+ (*c->handler)(margc, margv);
+ }
+ fclose(rcfile);
+}
+
+
+ int
+tn(argc, argv)
+ int argc;
+ char *argv[];
+{
+ struct addrinfo hints, *res, *res0;
+ int error;
+ struct sockaddr_in sin;
+ unsigned long temp;
+ extern char *inet_ntoa();
+#if defined(IP_OPTIONS) && defined(IPPROTO_IP)
+ char *srp = 0;
+ int srlen;
+#endif
+ char *cmd, *hostp = 0, *portp = 0, *user = 0, *aliasp = 0;
+ int retry;
+#ifdef NI_WITHSCOPEID
+ const int niflags = NI_NUMERICHOST | NI_WITHSCOPEID;
+#else
+ const int niflags = NI_NUMERICHOST;
+#endif
+
+ /* clear the socket address prior to use */
+ memset((char *)&sin, 0, sizeof(sin));
+
+ if (connected) {
+ printf("?Already connected to %s\r\n", hostname);
+ return 0;
+ }
+ if (argc < 2) {
+ (void) strcpy(line, "open ");
+ printf("(to) ");
+ (void) fgets(&line[strlen(line)], sizeof(line) - strlen(line), stdin);
+ makeargv();
+ argc = margc;
+ argv = margv;
+ }
+ cmd = *argv;
+ --argc; ++argv;
+ while (argc) {
+ if (strcmp(*argv, "help") == 0 || isprefix(*argv, "?"))
+ goto usage;
+ if (strcmp(*argv, "-l") == 0) {
+ --argc; ++argv;
+ if (argc == 0)
+ goto usage;
+ if ((user = strdup(*argv++)) == NULL)
+ err(1, "strdup");
+ --argc;
+ continue;
+ }
+ if (strcmp(*argv, "-b") == 0) {
+ --argc; ++argv;
+ if (argc == 0)
+ goto usage;
+ aliasp = *argv++;
+ --argc;
+ continue;
+ }
+ if (strcmp(*argv, "-a") == 0) {
+ --argc; ++argv;
+ autologin = 1;
+ continue;
+ }
+ if (hostp == 0) {
+ hostp = *argv++;
+ --argc;
+ continue;
+ }
+ if (portp == 0) {
+ portp = *argv++;
+ --argc;
+ continue;
+ }
+ usage:
+ printf("usage: %s [-l user] [-a] host-name [port]\r\n", cmd);
+ return 0;
+ }
+ if (hostp == 0)
+ goto usage;
+
+#if defined(IP_OPTIONS) && defined(IPPROTO_IP)
+ if (hostp[0] == '@' || hostp[0] == '!') {
+ if ((hostname = strrchr(hostp, ':')) == NULL)
+ hostname = strrchr(hostp, '@');
+ hostname++;
+ srp = 0;
+ temp = sourceroute(hostp, &srp, &srlen);
+ if (temp == 0) {
+ herror(srp);
+ return 0;
+ } else if (temp == -1) {
+ printf("Bad source route option: %s\r\n", hostp);
+ return 0;
+ } else {
+ abort();
+ }
+ } else
+#endif
+ {
+ hostname = hostp;
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_family = PF_UNSPEC;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_flags = AI_CANONNAME;
+ if (portp == NULL) {
+ portp = "telnet";
+ telnetport = 1;
+ } else if (*portp == '-') {
+ portp++;
+ telnetport = 1;
+ } else
+ telnetport = 0;
+ h_errno = 0;
+ error = getaddrinfo(hostp, portp, &hints, &res0);
+ if (error) {
+ if (error == EAI_SERVICE)
+ warnx("%s: bad port", portp);
+ else
+ warnx("%s: %s", hostp, gai_strerror(error));
+ if (h_errno)
+ herror(hostp);
+ return 0;
+ }
+ }
+
+ net = -1;
+ retry = 0;
+ for (res = res0; res; res = res->ai_next) {
+ if (1 /* retry */) {
+ char hbuf[NI_MAXHOST];
+
+ if (getnameinfo(res->ai_addr, res->ai_addrlen, hbuf, sizeof(hbuf),
+ NULL, 0, niflags) != 0) {
+ strcpy(hbuf, "(invalid)");
+ }
+ printf("Trying %s...\r\n", hbuf);
+ }
+ net = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+ if (net < 0)
+ continue;
+
+ if (aliasp) {
+ struct addrinfo ahints, *ares;
+
+ memset(&ahints, 0, sizeof(ahints));
+ ahints.ai_family = PF_UNSPEC;
+ ahints.ai_socktype = SOCK_STREAM;
+ ahints.ai_flags = AI_PASSIVE;
+ error = getaddrinfo(aliasp, "0", &ahints, &ares);
+ if (error) {
+ warn("%s: %s", aliasp, gai_strerror(error));
+ close(net);
+ continue;
+ }
+ if (bind(net, ares->ai_addr, ares->ai_addrlen) < 0) {
+ perror(aliasp);
+ (void) close(net); /* dump descriptor */
+ freeaddrinfo(ares);
+ continue;
+ }
+ freeaddrinfo(ares);
+ }
+#if defined(IP_OPTIONS) && defined(IPPROTO_IP)
+ if (srp && res->ai_family == AF_INET
+ && setsockopt(net, IPPROTO_IP, IP_OPTIONS, (char *)srp, srlen) < 0)
+ perror("setsockopt (IP_OPTIONS)");
+#endif
+#if defined(IPPROTO_IP) && defined(IP_TOS)
+ if (res->ai_family == AF_INET) {
+# if defined(HAS_GETTOS)
+ struct tosent *tp;
+ if (tos < 0 && (tp = gettosbyname("telnet", "tcp")))
+ tos = tp->t_tos;
+# endif
+ if (tos < 0)
+ tos = IPTOS_LOWDELAY; /* Low Delay bit */
+ if (tos
+ && (setsockopt(net, IPPROTO_IP, IP_TOS,
+ (void *)&tos, sizeof(int)) < 0)
+ && (errno != ENOPROTOOPT))
+ perror("telnet: setsockopt (IP_TOS) (ignored)");
+ }
+#endif /* defined(IPPROTO_IP) && defined(IP_TOS) */
+
+ if (debug && SetSockOpt(net, SOL_SOCKET, SO_DEBUG, 1) < 0) {
+ perror("setsockopt (SO_DEBUG)");
+ }
+
+ if (connect(net, res->ai_addr, res->ai_addrlen) < 0) {
+ char hbuf[NI_MAXHOST];
+
+ if (getnameinfo(res->ai_addr, res->ai_addrlen, hbuf, sizeof(hbuf),
+ NULL, 0, niflags) != 0) {
+ strcpy(hbuf, "(invalid)");
+ }
+ fprintf(stderr, "telnet: connect to address %s: %s\n", hbuf,
+ strerror(errno));
+
+ close(net);
+ net = -1;
+ retry++;
+ continue;
+ }
+
+ connected++;
+#if defined(AUTHENTICATION) || defined(ENCRYPTION)
+ auth_encrypt_connect(connected);
+#endif /* defined(AUTHENTICATION) */
+ break;
+ }
+ freeaddrinfo(res0);
+ if (net < 0) {
+ return 0;
+ }
+ cmdrc(hostp, hostname);
+ if (autologin && user == NULL) {
+ struct passwd *pw;
+
+ user = getenv("USER");
+ if (user == NULL ||
+ ((pw = getpwnam(user)) && pw->pw_uid != getuid())) {
+ if ((pw = getpwuid(getuid())) != NULL)
+ user = pw->pw_name;
+ else
+ user = NULL;
+ }
+ }
+ if (user) {
+ env_define((unsigned char *)"USER", (unsigned char *)user);
+ env_export((unsigned char *)"USER");
+ }
+ (void) call(status, "status", "notmuch", 0);
+ if (setjmp(peerdied) == 0)
+ telnet(user);
+ (void) NetClose(net);
+ ExitString("Connection closed by foreign host.\r\n",1);
+ /*NOTREACHED*/
+ return 0;
+}
+
+#define HELPINDENT (sizeof ("connect"))
+
+static char
+ openhelp[] = "connect to a site",
+ closehelp[] = "close current connection",
+ logouthelp[] = "forcibly logout remote user and close the connection",
+ quithelp[] = "exit telnet",
+ statushelp[] = "print status information",
+ helphelp[] = "print help information",
+ sendhelp[] = "transmit special characters ('send ?' for more)",
+ sethelp[] = "set operating parameters ('set ?' for more)",
+ unsethelp[] = "unset operating parameters ('unset ?' for more)",
+ togglestring[] ="toggle operating parameters ('toggle ?' for more)",
+ slchelp[] = "change state of special charaters ('slc ?' for more)",
+ displayhelp[] = "display operating parameters",
+#if defined(TN3270) && defined(unix)
+ transcomhelp[] = "specify Unix command for transparent mode pipe",
+#endif /* defined(TN3270) && defined(unix) */
+#if defined(AUTHENTICATION)
+ authhelp[] = "turn on (off) authentication ('auth ?' for more)",
+#endif
+#if defined(ENCRYPTION)
+ encrypthelp[] = "turn on (off) encryption ('encrypt ?' for more)",
+#endif
+ zhelp[] = "suspend telnet",
+#ifdef SKEY
+ skeyhelp[] = "compute response to s/key challenge",
+#endif
+ shellhelp[] = "invoke a subshell",
+ envhelp[] = "change environment variables ('environ ?' for more)",
+ modestring[] = "try to enter line or character mode ('mode ?' for more)";
+
+static int help(int, char**);
+
+static Command cmdtab[] = {
+ { "close", closehelp, bye, 1 },
+ { "logout", logouthelp, logout, 1 },
+ { "display", displayhelp, display, 0 },
+ { "mode", modestring, modecmd, 0 },
+ { "open", openhelp, tn, 0 },
+ { "quit", quithelp, quit, 0 },
+ { "send", sendhelp, sendcmd, 0 },
+ { "set", sethelp, setcmd, 0 },
+ { "unset", unsethelp, unsetcmd, 0 },
+ { "status", statushelp, status, 0 },
+ { "toggle", togglestring, toggle, 0 },
+ { "slc", slchelp, slccmd, 0 },
+#if defined(TN3270) && defined(unix)
+ { "transcom", transcomhelp, settranscom, 0 },
+#endif /* defined(TN3270) && defined(unix) */
+#if defined(AUTHENTICATION)
+ { "auth", authhelp, auth_cmd, 0 },
+#endif
+#if defined(ENCRYPTION)
+ { "encrypt", encrypthelp, encrypt_cmd, 0 },
+#endif
+
+ { "z", zhelp, telnetsuspend, 0 },
+#if defined(TN3270)
+ { "!", shellhelp, shell, 1 },
+#else
+ { "!", shellhelp, shell, 0 },
+#endif
+ { "environ", envhelp, env_cmd, 0 },
+ { "?", helphelp, help, 0 },
+#if defined(SKEY)
+ { "skey", skeyhelp, skey_calc, 0 },
+#endif
+ { 0, 0, 0, 0 }
+};
+
+static char crmodhelp[] = "deprecated command -- use 'toggle crmod' instead";
+static char escapehelp[] = "deprecated command -- use 'set escape' instead";
+
+static Command cmdtab2[] = {
+ { "help", 0, help, 0 },
+ { "escape", escapehelp, setescape, 0 },
+ { "crmod", crmodhelp, togcrmod, 0 },
+ { 0, 0, 0, 0 }
+};
+
+
+/*
+ * Call routine with argc, argv set from args (terminated by 0).
+ */
+
+ /*VARARGS1*/
+ static int
+call(intrtn_t routine, ...)
+{
+ va_list ap;
+ char *args[100];
+ int argno = 0;
+
+ va_start(ap, routine);
+ while ((args[argno++] = va_arg(ap, char *)) != 0);
+ va_end(ap);
+ return (*routine)(argno-1, args);
+}
+
+
+ static Command *
+getcmd(name)
+ char *name;
+{
+ Command *cm;
+
+ if ((cm = (Command *) genget(name, (char **) cmdtab, sizeof(Command))))
+ return cm;
+ return (Command *) genget(name, (char **) cmdtab2, sizeof(Command));
+}
+
+ void
+command(top, tbuf, cnt)
+ int top;
+ char *tbuf;
+ int cnt;
+{
+ Command *c;
+
+ setcommandmode();
+ if (!top) {
+ putchar('\n');
+#if defined(unix)
+ } else {
+ (void) signal(SIGINT, SIG_DFL);
+ (void) signal(SIGQUIT, SIG_DFL);
+#endif /* defined(unix) */
+ }
+ for (;;) {
+ if (rlogin == _POSIX_VDISABLE)
+ printf("%s> ", prompt);
+ if (tbuf) {
+ char *cp;
+ cp = line;
+ while (cnt > 0 && (*cp++ = *tbuf++) != '\n')
+ cnt--;
+ tbuf = 0;
+ if (cp == line || *--cp != '\n' || cp == line)
+ goto getline;
+ *cp = '\0';
+ if (rlogin == _POSIX_VDISABLE)
+ printf("%s\r\n", line);
+ } else {
+ getline:
+ if (rlogin != _POSIX_VDISABLE)
+ printf("%s> ", prompt);
+ if (fgets(line, sizeof(line), stdin) == NULL) {
+ if (feof(stdin) || ferror(stdin)) {
+ (void) quit();
+ /*NOTREACHED*/
+ }
+ break;
+ }
+ }
+ if (line[0] == 0)
+ break;
+ makeargv();
+ if (margv[0] == 0) {
+ break;
+ }
+ c = getcmd(margv[0]);
+ if (Ambiguous(c)) {
+ printf("?Ambiguous command\r\n");
+ continue;
+ }
+ if (c == 0) {
+ printf("?Invalid command\r\n");
+ continue;
+ }
+ if (c->needconnect && !connected) {
+ printf("?Need to be connected first.\r\n");
+ continue;
+ }
+ if ((*c->handler)(margc, margv)) {
+ break;
+ }
+ }
+ if (!top) {
+ if (!connected) {
+ longjmp(toplevel, 1);
+ /*NOTREACHED*/
+ }
+#if defined(TN3270)
+ if (shell_active == 0) {
+ setconnmode(0);
+ }
+#else /* defined(TN3270) */
+ setconnmode(0);
+#endif /* defined(TN3270) */
+ }
+}
+
+/*
+ * Help command.
+ */
+ static int
+help(argc, argv)
+ int argc;
+ char *argv[];
+{
+ Command *c;
+
+ if (argc == 1) {
+ printf("Commands may be abbreviated. Commands are:\r\n\r\n");
+ for (c = cmdtab; c->name; c++)
+ if (c->help) {
+ printf("%-*s\t%s\r\n", (int)HELPINDENT, c->name,
+ c->help);
+ }
+ return 0;
+ }
+ while (--argc > 0) {
+ char *arg;
+ arg = *++argv;
+ c = getcmd(arg);
+ if (Ambiguous(c))
+ printf("?Ambiguous help command %s\r\n", arg);
+ else if (c == (Command *)0)
+ printf("?Invalid help command %s\r\n", arg);
+ else
+ printf("%s\r\n", c->help);
+ }
+ return 0;
+}
+
+#if defined(IP_OPTIONS) && defined(IPPROTO_IP)
+
+/*
+ * Source route is handed in as
+ * [!]@hop1@hop2...[@|:]dst
+ * If the leading ! is present, it is a
+ * strict source route, otherwise it is
+ * assmed to be a loose source route.
+ *
+ * We fill in the source route option as
+ * hop1,hop2,hop3...dest
+ * and return a pointer to hop1, which will
+ * be the address to connect() to.
+ *
+ * Arguments:
+ * arg: pointer to route list to decipher
+ *
+ * cpp: If *cpp is not equal to NULL, this is a
+ * pointer to a pointer to a character array
+ * that should be filled in with the option.
+ *
+ * lenp: pointer to an integer that contains the
+ * length of *cpp if *cpp != NULL.
+ *
+ * Return values:
+ *
+ * Returns the address of the host to connect to. If the
+ * return value is -1, there was a syntax error in the
+ * option, either unknown characters, or too many hosts.
+ * If the return value is 0, one of the hostnames in the
+ * path is unknown, and *cpp is set to point to the bad
+ * hostname.
+ *
+ * *cpp: If *cpp was equal to NULL, it will be filled
+ * in with a pointer to our static area that has
+ * the option filled in. This will be 32bit aligned.
+ *
+ * *lenp: This will be filled in with how long the option
+ * pointed to by *cpp is.
+ *
+ */
+ unsigned long
+sourceroute(arg, cpp, lenp)
+ char *arg;
+ char **cpp;
+ int *lenp;
+{
+ static char lsr[44];
+#ifdef sysV88
+ static IOPTN ipopt;
+#endif
+ char *cp, *cp2, *lsrp, *lsrep;
+ int tmp;
+ struct in_addr sin_addr;
+ struct hostent *host = 0;
+ char c;
+
+ /*
+ * Verify the arguments, and make sure we have
+ * at least 7 bytes for the option.
+ */
+ if (cpp == NULL || lenp == NULL)
+ return((unsigned long)-1);
+ if (*cpp != NULL && *lenp < 7)
+ return((unsigned long)-1);
+ /*
+ * Decide whether we have a buffer passed to us,
+ * or if we need to use our own static buffer.
+ */
+ if (*cpp) {
+ lsrp = *cpp;
+ lsrep = lsrp + *lenp;
+ } else {
+ *cpp = lsrp = lsr;
+ lsrep = lsrp + 44;
+ }
+
+ cp = arg;
+
+ /*
+ * Next, decide whether we have a loose source
+ * route or a strict source route, and fill in
+ * the begining of the option.
+ */
+#ifndef sysV88
+ if (*cp == '!') {
+ cp++;
+ *lsrp++ = IPOPT_SSRR;
+ } else
+ *lsrp++ = IPOPT_LSRR;
+#else
+ if (*cp == '!') {
+ cp++;
+ ipopt.io_type = IPOPT_SSRR;
+ } else
+ ipopt.io_type = IPOPT_LSRR;
+#endif
+
+ if (*cp != '@')
+ return((unsigned long)-1);
+
+#ifndef sysV88
+ lsrp++; /* skip over length, we'll fill it in later */
+ *lsrp++ = 4;
+#endif
+
+ cp++;
+
+ sin_addr.s_addr = 0;
+
+ for (c = 0;;) {
+ if (c == ':')
+ cp2 = 0;
+ else for (cp2 = cp; (c = *cp2); cp2++) {
+ if (c == ',') {
+ *cp2++ = '\0';
+ if (*cp2 == '@')
+ cp2++;
+ } else if (c == '@') {
+ *cp2++ = '\0';
+ } else if (c == ':') {
+ *cp2++ = '\0';
+ } else
+ continue;
+ break;
+ }
+ if (!c)
+ cp2 = 0;
+
+ if ((tmp = inet_addr(cp)) != -1) {
+ sin_addr.s_addr = tmp;
+ } else if ((host = gethostbyname(cp))) {
+#if defined(h_addr)
+ memmove((caddr_t)&sin_addr,
+ host->h_addr_list[0],
+ sizeof(sin_addr));
+#else
+ memmove((caddr_t)&sin_addr, host->h_addr,
+ sizeof(sin_addr));
+#endif
+ } else {
+ *cpp = cp;
+ return(0);
+ }
+ memmove(lsrp, (char *)&sin_addr, 4);
+ lsrp += 4;
+ if (cp2)
+ cp = cp2;
+ else
+ break;
+ /*
+ * Check to make sure there is space for next address
+ */
+ if (lsrp + 4 > lsrep)
+ return((unsigned long)-1);
+ }
+#ifndef sysV88
+ if ((*(*cpp+IPOPT_OLEN) = lsrp - *cpp) <= 7) {
+ *cpp = 0;
+ *lenp = 0;
+ return((unsigned long)-1);
+ }
+ *lsrp++ = IPOPT_NOP; /* 32 bit word align it */
+ *lenp = lsrp - *cpp;
+#else
+ ipopt.io_len = lsrp - *cpp;
+ if (ipopt.io_len <= 5) { /* Is 3 better ? */
+ *cpp = 0;
+ *lenp = 0;
+ return((unsigned long)-1);
+ }
+ *lenp = sizeof(ipopt);
+ *cpp = (char *) &ipopt;
+#endif
+ return(sin_addr.s_addr);
+}
+#endif
Index: netkit-telnet-0.17-new/telnet/externs.h
===================================================================
--- netkit-telnet-0.17-new/telnet/externs.h (nonexistent)
+++ netkit-telnet-0.17-new/telnet/externs.h (revision 5)
@@ -0,0 +1,458 @@
+/* $OpenBSD: externs.h,v 1.8 2002/02/17 17:20:49 millert Exp $ */
+/* $KTH: externs.h,v 1.16 1997/11/29 02:28:35 joda Exp $ */
+
+/*
+ * Copyright (c) 1988, 1990, 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.
+ *
+ * @(#)externs.h 8.3 (Berkeley) 5/30/95
+ */
+
+#ifndef BSD
+# define BSD 43
+#endif
+
+#ifndef _POSIX_VDISABLE
+# ifdef sun
+# include <sys/param.h> /* pick up VDISABLE definition, mayby */
+# endif
+# ifdef VDISABLE
+# define _POSIX_VDISABLE VDISABLE
+# else
+# define _POSIX_VDISABLE ((cc_t)'\377')
+# endif
+#endif
+
+#define SUBBUFSIZE 256
+
+extern int
+ autologin, /* Autologin enabled */
+ skiprc, /* Don't process the ~/.telnetrc file */
+ eight, /* use eight bit mode (binary in and/or out */
+ binary,
+ flushout, /* flush output */
+ connected, /* Are we connected to the other side? */
+ globalmode, /* Mode tty should be in */
+ telnetport, /* Are we connected to the telnet port? */
+ In3270, /* Are we in 3270 mode? */
+ localflow, /* Flow control handled locally */
+ restartany, /* If flow control, restart output on any character */
+ localchars, /* we recognize interrupt/quit */
+ donelclchars, /* the user has set "localchars" */
+ showoptions,
+ net, /* Network file descriptor */
+ tin, /* Terminal input file descriptor */
+ tout, /* Terminal output file descriptor */
+ crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
+ autoflush, /* flush output when interrupting? */
+ autosynch, /* send interrupt characters with SYNCH? */
+ SYNCHing, /* Is the stream in telnet SYNCH mode? */
+ donebinarytoggle, /* the user has put us in binary */
+ dontlecho, /* do we suppress local echoing right now? */
+ crmod,
+ netdata, /* Print out network data flow */
+ prettydump, /* Print "netdata" output in user readable format */
+#if defined(TN3270)
+ cursesdata, /* Print out curses data flow */
+ apitrace, /* Trace API transactions */
+#endif /* defined(TN3270) */
+ termdata, /* Print out terminal data flow */
+ debug; /* Debug level */
+
+extern cc_t escape; /* Escape to command mode */
+extern cc_t rlogin; /* Rlogin mode escape character */
+#ifdef KLUDGELINEMODE
+extern cc_t echoc; /* Toggle local echoing */
+#endif
+
+extern char
+ *prompt; /* Prompt for command. */
+
+extern char
+ doopt[],
+ dont[],
+ will[],
+ wont[],
+ options[], /* All the little options */
+ *hostname; /* Who are we connected to? */
+#if defined(ENCRYPTION)
+extern void (*encrypt_output) (unsigned char *, int);
+extern int (*decrypt_input) (int);
+#endif
+
+/*
+ * We keep track of each side of the option negotiation.
+ */
+
+#define MY_STATE_WILL 0x01
+#define MY_WANT_STATE_WILL 0x02
+#define MY_STATE_DO 0x04
+#define MY_WANT_STATE_DO 0x08
+
+/*
+ * Macros to check the current state of things
+ */
+
+#define my_state_is_do(opt) (options[opt]&MY_STATE_DO)
+#define my_state_is_will(opt) (options[opt]&MY_STATE_WILL)
+#define my_want_state_is_do(opt) (options[opt]&MY_WANT_STATE_DO)
+#define my_want_state_is_will(opt) (options[opt]&MY_WANT_STATE_WILL)
+
+#define my_state_is_dont(opt) (!my_state_is_do(opt))
+#define my_state_is_wont(opt) (!my_state_is_will(opt))
+#define my_want_state_is_dont(opt) (!my_want_state_is_do(opt))
+#define my_want_state_is_wont(opt) (!my_want_state_is_will(opt))
+
+#define set_my_state_do(opt) {options[opt] |= MY_STATE_DO;}
+#define set_my_state_will(opt) {options[opt] |= MY_STATE_WILL;}
+#define set_my_want_state_do(opt) {options[opt] |= MY_WANT_STATE_DO;}
+#define set_my_want_state_will(opt) {options[opt] |= MY_WANT_STATE_WILL;}
+
+#define set_my_state_dont(opt) {options[opt] &= ~MY_STATE_DO;}
+#define set_my_state_wont(opt) {options[opt] &= ~MY_STATE_WILL;}
+#define set_my_want_state_dont(opt) {options[opt] &= ~MY_WANT_STATE_DO;}
+#define set_my_want_state_wont(opt) {options[opt] &= ~MY_WANT_STATE_WILL;}
+
+/*
+ * Make everything symmetrical
+ */
+
+#define HIS_STATE_WILL MY_STATE_DO
+#define HIS_WANT_STATE_WILL MY_WANT_STATE_DO
+#define HIS_STATE_DO MY_STATE_WILL
+#define HIS_WANT_STATE_DO MY_WANT_STATE_WILL
+
+#define his_state_is_do my_state_is_will
+#define his_state_is_will my_state_is_do
+#define his_want_state_is_do my_want_state_is_will
+#define his_want_state_is_will my_want_state_is_do
+
+#define his_state_is_dont my_state_is_wont
+#define his_state_is_wont my_state_is_dont
+#define his_want_state_is_dont my_want_state_is_wont
+#define his_want_state_is_wont my_want_state_is_dont
+
+#define set_his_state_do set_my_state_will
+#define set_his_state_will set_my_state_do
+#define set_his_want_state_do set_my_want_state_will
+#define set_his_want_state_will set_my_want_state_do
+
+#define set_his_state_dont set_my_state_wont
+#define set_his_state_wont set_my_state_dont
+#define set_his_want_state_dont set_my_want_state_wont
+#define set_his_want_state_wont set_my_want_state_dont
+
+
+extern FILE
+ *NetTrace; /* Where debugging output goes */
+extern unsigned char
+ NetTraceFile[]; /* Name of file where debugging output goes */
+extern void
+ SetNetTrace (char *); /* Function to change where debugging goes */
+
+extern jmp_buf
+ peerdied,
+ toplevel; /* For error conditions. */
+
+/* authenc.c */
+
+#if defined(AUTHENTICATION) || defined(ENCRYPTION)
+int net_write(unsigned char *str, int len);
+void net_encrypt(void);
+int telnet_spin(void);
+char *telnet_getenv(const char *val);
+char *telnet_gets(char *prompt, char *result, int length, int echo);
+#endif
+
+/* commands.c */
+
+struct env_lst *env_define (unsigned char *, unsigned char *);
+struct env_lst *env_find(unsigned char *var);
+void env_init (void);
+void env_undefine (unsigned char *);
+void env_export (unsigned char *);
+void env_unexport (unsigned char *);
+void env_send (unsigned char *);
+void env_list (void);
+unsigned char * env_default(int init, int welldefined);
+unsigned char * env_getvalue(unsigned char *var, int exported_only);
+
+void set_escape_char(char *s);
+unsigned long sourceroute(char *arg, char **cpp, int *lenp);
+
+#if defined(AUTHENTICATION)
+int auth_enable (char *);
+int auth_disable (char *);
+int auth_status (void);
+#endif
+
+#if defined(ENCRYPTION)
+int EncryptEnable (char *, char *);
+int EncryptDisable (char *, char *);
+int EncryptType (char *, char *);
+int EncryptStart (char *);
+int EncryptStartInput (void);
+int EncryptStartOutput (void);
+int EncryptStop (char *);
+int EncryptStopInput (void);
+int EncryptStopOutput (void);
+int EncryptStatus (void);
+#endif
+
+#ifdef SIGINFO
+void ayt_status(void);
+#endif
+int tn(int argc, char **argv);
+void command(int top, char *tbuf, int cnt);
+
+/* main.c */
+
+void tninit(void);
+void usage(void);
+
+/* network.c */
+
+void init_network(void);
+int stilloob(void);
+void setneturg(void);
+int netflush(void);
+
+/* sys_bsd.c */
+
+void init_sys(void);
+int TerminalWrite(char *buf, int n);
+int TerminalRead(unsigned char *buf, int n);
+int TerminalAutoFlush(void);
+int TerminalSpecialChars(int c);
+void TerminalFlushOutput(void);
+void TerminalSaveState(void);
+void TerminalDefaultChars(void);
+void TerminalNewMode(int f);
+cc_t *tcval(int func);
+void TerminalSpeeds(long *input_speed, long *output_speed);
+int TerminalWindowSize(long *rows, long *cols);
+int NetClose(int fd);
+void NetNonblockingIO(int fd, int onoff);
+int process_rings(int netin, int netout, int netex, int ttyin, int ttyout,
+ int poll);
+
+/* telnet.c */
+
+void init_telnet(void);
+
+void tel_leave_binary(int rw);
+void tel_enter_binary(int rw);
+int opt_welldefined(char *ep);
+int telrcv(void);
+int rlogin_susp(void);
+void intp(void);
+void sendbrk(void);
+void sendabort(void);
+void sendsusp(void);
+void sendeof(void);
+void sendayt(void);
+
+void xmitAO(void);
+void xmitEL(void);
+void xmitEC(void);
+
+
+void Dump (char, unsigned char *, int);
+void printoption (char *, int, int);
+void printsub (int, unsigned char *, int);
+void sendnaws (void);
+void setconnmode (int);
+void setcommandmode (void);
+void setneturg (void);
+void sys_telnet_init (void);
+void telnet (char *);
+void tel_enter_binary (int);
+void TerminalFlushOutput (void);
+void TerminalNewMode (int);
+void TerminalRestoreState (void);
+void TerminalSaveState (void);
+void tninit (void);
+void willoption (int);
+void wontoption (int);
+
+
+void send_do (int, int);
+void send_dont (int, int);
+void send_will (int, int);
+void send_wont (int, int);
+
+void lm_will (unsigned char *, int);
+void lm_wont (unsigned char *, int);
+void lm_do (unsigned char *, int);
+void lm_dont (unsigned char *, int);
+void lm_mode (unsigned char *, int, int);
+
+void slc_init (void);
+void slcstate (void);
+void slc_mode_export (void);
+void slc_mode_import (int);
+void slc_import (int);
+void slc_export (void);
+void slc (unsigned char *, int);
+void slc_check (void);
+void slc_start_reply (void);
+void slc_add_reply (unsigned char, unsigned char, cc_t);
+void slc_end_reply (void);
+int slc_update (void);
+
+void env_opt (unsigned char *, int);
+void env_opt_start (void);
+void env_opt_start_info (void);
+void env_opt_add (unsigned char *);
+void env_opt_end (int);
+
+unsigned char *env_default (int, int);
+unsigned char *env_getvalue (unsigned char *, int);
+
+int get_status (void);
+int dosynch (void);
+
+cc_t *tcval (int);
+
+int quit (void);
+
+/* terminal.c */
+
+void init_terminal(void);
+int ttyflush(int drop);
+int getconnmode(void);
+
+/* utilities.c */
+
+int SetSockOpt(int fd, int level, int option, int yesno);
+void SetNetTrace(char *file);
+void Dump(char direction, unsigned char *buffer, int length);
+void printoption(char *direction, int cmd, int option);
+void optionstatus(void);
+void printsub(int direction, unsigned char *pointer, int length);
+void EmptyTerminal(void);
+void SetForExit(void);
+void Exit(int returnCode);
+void ExitString(char *string, int returnCode);
+
+extern struct termios new_tc;
+
+# define termEofChar new_tc.c_cc[VEOF]
+# define termEraseChar new_tc.c_cc[VERASE]
+# define termIntChar new_tc.c_cc[VINTR]
+# define termKillChar new_tc.c_cc[VKILL]
+# define termQuitChar new_tc.c_cc[VQUIT]
+
+# ifndef VSUSP
+extern cc_t termSuspChar;
+# else
+# define termSuspChar new_tc.c_cc[VSUSP]
+# endif
+# if defined(VFLUSHO) && !defined(VDISCARD)
+# define VDISCARD VFLUSHO
+# endif
+# ifndef VDISCARD
+extern cc_t termFlushChar;
+# else
+# define termFlushChar new_tc.c_cc[VDISCARD]
+# endif
+# ifndef VWERASE
+extern cc_t termWerasChar;
+# else
+# define termWerasChar new_tc.c_cc[VWERASE]
+# endif
+# ifndef VREPRINT
+extern cc_t termRprntChar;
+# else
+# define termRprntChar new_tc.c_cc[VREPRINT]
+# endif
+# ifndef VLNEXT
+extern cc_t termLiteralNextChar;
+# else
+# define termLiteralNextChar new_tc.c_cc[VLNEXT]
+# endif
+# ifndef VSTART
+extern cc_t termStartChar;
+# else
+# define termStartChar new_tc.c_cc[VSTART]
+# endif
+# ifndef VSTOP
+extern cc_t termStopChar;
+# else
+# define termStopChar new_tc.c_cc[VSTOP]
+# endif
+# ifndef VEOL
+extern cc_t termForw1Char;
+# else
+# define termForw1Char new_tc.c_cc[VEOL]
+# endif
+# ifndef VEOL2
+extern cc_t termForw2Char;
+# else
+# define termForw2Char new_tc.c_cc[VEOL]
+# endif
+# ifndef VSTATUS
+extern cc_t termAytChar;
+#else
+# define termAytChar new_tc.c_cc[VSTATUS]
+#endif
+
+/* Ring buffer structures which are shared */
+
+extern Ring
+ netoring,
+ netiring,
+ ttyoring,
+ ttyiring;
+
+/* Tn3270 section */
+#if defined(TN3270)
+
+extern int
+ HaveInput, /* Whether an asynchronous I/O indication came in */
+ noasynchtty, /* Don't do signals on I/O (SIGURG, SIGIO) */
+ noasynchnet, /* Don't do signals on I/O (SIGURG, SIGIO) */
+ sigiocount, /* Count of SIGIO receptions */
+ shell_active; /* Subshell is active */
+
+extern char
+ *Ibackp, /* Oldest byte of 3270 data */
+ Ibuf[], /* 3270 buffer */
+ *Ifrontp, /* Where next 3270 byte goes */
+ tline[200],
+ *transcom; /* Transparent command */
+
+extern int
+ settranscom(int, char**);
+
+extern void
+ inputAvailable(int);
+#endif /* defined(TN3270) */
Index: netkit-telnet-0.17-new/telnet/main.c
===================================================================
--- netkit-telnet-0.17-new/telnet/main.c (nonexistent)
+++ netkit-telnet-0.17-new/telnet/main.c (revision 5)
@@ -0,0 +1,407 @@
+/* $OpenBSD: main.c,v 1.12 2001/11/03 00:07:53 hin Exp $ */
+/* $NetBSD: main.c,v 1.5 1996/02/28 21:04:05 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1988, 1990, 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
+static char copyright[] =
+"@(#) Copyright (c) 1988, 1990, 1993\n\
+ The Regents of the University of California. All rights reserved.\n";
+#endif /* not lint */
+
+#include "telnet_locl.h"
+
+/* These values need to be the same as defined in libtelnet/kerberos5.c */
+/* Either define them in both places, or put in some common header file. */
+#define OPTS_FORWARD_CREDS 0x00000002
+#define OPTS_FORWARDABLE_CREDS 0x00000001
+
+#ifdef KRB5
+#define FORWARD
+/* XXX ugly hack to setup dns-proxy stuff */
+#define Authenticator asn1_Authenticator
+#include <kerberosV/krb5.h>
+#endif
+
+#ifdef KRB4
+#include <kerberosIV/krb.h>
+#endif
+
+#ifdef FORWARD
+int forward_flags;
+static int default_forward=0;
+#endif
+
+/*
+ * Initialize variables.
+ */
+ void
+tninit()
+{
+ init_terminal();
+
+ init_network();
+
+ init_telnet();
+
+ init_sys();
+
+#if defined(TN3270)
+ init_3270();
+#endif
+}
+
+ void
+usage()
+{
+ fprintf(stderr, "Usage: %s %s%s%s%s\n",
+ prompt,
+#ifdef AUTHENTICATION
+ "[-8] [-E] [-K] [-L] [-S tos] [-X atype] [-a] [-c] [-d] [-e char]",
+ "\n\t[-k realm] [-l user] [-f/-F] [-n tracefile] [-b hostalias ] ",
+#else
+ "[-8] [-E] [-L] [-S tos] [-a] [-c] [-d] [-e char] [-l user]",
+ "\n\t[-n tracefile] [-b hostalias ] ",
+#endif
+#if defined(TN3270) && defined(unix)
+# ifdef AUTHENTICATION
+ "[-noasynch] [-noasynctty]\n\t[-noasyncnet] [-r] [-t transcom] ",
+# else
+ "[-noasynch] [-noasynctty] [-noasyncnet] [-r]\n\t[-t transcom]",
+# endif
+#else
+ "[-r] ",
+#endif
+ "\n\t"
+#ifdef ENCRYPTION
+ "[-x] "
+#endif
+ "[host-name [port]]");
+ exit(1);
+}
+
+
+#ifdef KRB5
+static void
+krb5_init(void)
+{
+ krb5_context context;
+ krb5_error_code ret;
+
+ ret = krb5_init_context(&context);
+ if (ret)
+ return;
+
+#if defined(AUTHENTICATION) && defined(KRB5) && defined(FORWARD)
+ if (krb5_config_get_bool (context, NULL,
+ "libdefaults", "forward", NULL)) {
+ forward_flags |= OPTS_FORWARD_CREDS;
+ default_forward=1;
+ }
+ if (krb5_config_get_bool (context, NULL,
+ "libdefaults", "forwardable", NULL)) {
+ forward_flags |= OPTS_FORWARDABLE_CREDS;
+ default_forward=1;
+ }
+#endif
+#ifdef ENCRYPTION
+ if (krb5_config_get_bool (context, NULL,
+ "libdefaults", "encrypt", NULL)) {
+ encrypt_auto(1);
+ decrypt_auto(1);
+ EncryptVerbose(1);
+ }
+#endif
+
+ krb5_free_context(context);
+}
+#endif
+
+/*
+ * main. Parse arguments, invoke the protocol or command parser.
+ */
+
+ int
+main(argc, argv)
+ int argc;
+ char *argv[];
+{
+ extern char *optarg;
+ extern int optind;
+ int ch;
+ char *user, *alias;
+#ifdef FORWARD
+ extern int forward_flags;
+#endif /* FORWARD */
+
+#ifdef KRB5
+ krb5_init();
+#endif
+
+ tninit(); /* Clear out things */
+
+ TerminalSaveState();
+
+ if ((prompt = strrchr(argv[0], '/')))
+ ++prompt;
+ else
+ prompt = argv[0];
+
+ user = alias = NULL;
+
+ rlogin = (strncmp(prompt, "rlog", 4) == 0) ? '~' : _POSIX_VDISABLE;
+
+ /*
+ * if AUTHENTICATION and ENCRYPTION is set autologin will be
+ * set to true after the getopt switch; unless the -K option is
+ * passed
+ */
+ autologin = -1;
+
+ while ((ch = getopt(argc, argv, "78DEKLS:X:ab:cde:fFk:l:n:rt:x")) != -1) {
+ switch(ch) {
+ case '8':
+ eight = 3; /* binary output and input */
+ break;
+ case '7':
+ eight = 0;
+ break;
+ case 'D': {
+ /* sometimes we don't want a mangled display */
+ char *p;
+ if((p = getenv("DISPLAY")))
+ env_define("DISPLAY", (unsigned char*)p);
+ break;
+ }
+
+ case 'E':
+ rlogin = escape = _POSIX_VDISABLE;
+ break;
+ case 'K':
+#ifdef AUTHENTICATION
+ autologin = 0;
+#endif
+ break;
+ case 'L':
+ eight |= 2; /* binary output only */
+ break;
+ case 'S':
+ {
+#ifdef HAS_GETTOS
+ extern int tos;
+
+ if ((tos = parsetos(optarg, "tcp")) < 0)
+ fprintf(stderr, "%s%s%s%s\n",
+ prompt, ": Bad TOS argument '",
+ optarg,
+ "; will try to use default TOS");
+#else
+ fprintf(stderr,
+ "%s: Warning: -S ignored, no parsetos() support.\n",
+ prompt);
+#endif
+ }
+ break;
+ case 'X':
+#ifdef AUTHENTICATION
+ auth_disable_name(optarg);
+#endif
+ break;
+ case 'a':
+ autologin = 1;
+ break;
+ case 'c':
+ skiprc = 1;
+ break;
+ case 'd':
+ debug = 1;
+ break;
+ case 'e':
+ set_escape_char(optarg);
+ break;
+ case 'f':
+#if defined(AUTHENTICATION) && defined(KRB5) && defined(FORWARD)
+ if ((forward_flags & OPTS_FORWARD_CREDS) &&
+ !default_forward) {
+ fprintf(stderr,
+ "%s: Only one of -f and -F allowed.\n",
+ prompt);
+ usage();
+ }
+ forward_flags |= OPTS_FORWARD_CREDS;
+#else
+ fprintf(stderr,
+ "%s: Warning: -f ignored, no Kerberos V5 support.\n",
+ prompt);
+#endif
+ break;
+ case 'F':
+#if defined(AUTHENTICATION) && defined(KRB5) && defined(FORWARD)
+ if ((forward_flags & OPTS_FORWARD_CREDS) &&
+ !default_forward) {
+ fprintf(stderr,
+ "%s: Only one of -f and -F allowed.\n",
+ prompt);
+ usage();
+ }
+ forward_flags |= OPTS_FORWARD_CREDS;
+ forward_flags |= OPTS_FORWARDABLE_CREDS;
+#else
+ fprintf(stderr,
+ "%s: Warning: -F ignored, no Kerberos V5 support.\n",
+ prompt);
+#endif
+ break;
+ case 'k':
+#if defined(AUTHENTICATION) && defined(KRB4)
+ {
+ extern char *dest_realm, dst_realm_buf[];
+ extern int dst_realm_sz;
+ dest_realm = dst_realm_buf;
+ (void)strncpy(dest_realm, optarg, dst_realm_sz);
+ }
+#else
+ fprintf(stderr,
+ "%s: Warning: -k ignored, no Kerberos V4 support.\n",
+ prompt);
+#endif
+ break;
+ case 'l':
+ autologin = -1;
+ user = optarg;
+ break;
+ case 'b':
+ alias = optarg;
+ break;
+ case 'n':
+#if defined(TN3270) && defined(unix)
+ /* distinguish between "-n oasynch" and "-noasynch" */
+ if (argv[optind - 1][0] == '-' && argv[optind - 1][1]
+ == 'n' && argv[optind - 1][2] == 'o') {
+ if (!strcmp(optarg, "oasynch")) {
+ noasynchtty = 1;
+ noasynchnet = 1;
+ } else if (!strcmp(optarg, "oasynchtty"))
+ noasynchtty = 1;
+ else if (!strcmp(optarg, "oasynchnet"))
+ noasynchnet = 1;
+ } else
+#endif /* defined(TN3270) && defined(unix) */
+ SetNetTrace(optarg);
+ break;
+ case 'r':
+ rlogin = '~';
+ break;
+ case 't':
+#if defined(TN3270) && defined(unix)
+ (void)strncpy(tline, optarg, sizeof tline);
+ transcom = tline;
+#else
+ fprintf(stderr,
+ "%s: Warning: -t ignored, no TN3270 support.\n",
+ prompt);
+#endif
+ break;
+ case 'x':
+#ifdef ENCRYPTION
+ encrypt_auto(1);
+ decrypt_auto(1);
+ EncryptVerbose(1);
+#else
+ fprintf(stderr,
+ "%s: Warning: -x ignored, no ENCRYPT support.\n",
+ prompt);
+#endif
+ break;
+ case '?':
+ default:
+ usage();
+ /* NOTREACHED */
+ }
+ }
+
+ if (autologin == -1) {
+#if defined(AUTHENTICATION)
+ if(check_krb4_tickets() || check_krb5_tickets())
+ autologin = 1;
+#endif
+#if defined(ENCRYPTION)
+ encrypt_auto(1);
+ decrypt_auto(1);
+#endif
+ }
+
+ if (autologin == -1)
+ autologin = (rlogin == _POSIX_VDISABLE) ? 0 : 1;
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc) {
+ char *args[7], **argp = args;
+
+ if (argc > 2)
+ usage();
+ *argp++ = prompt;
+ if (user) {
+ *argp++ = "-l";
+ *argp++ = user;
+ }
+ if (alias) {
+ *argp++ = "-b";
+ *argp++ = alias;
+ }
+ *argp++ = argv[0]; /* host */
+ if (argc > 1)
+ *argp++ = argv[1]; /* port */
+ *argp = 0;
+
+ if (setjmp(toplevel) != 0)
+ Exit(0);
+ if (tn(argp - args, args) == 1)
+ return (0);
+ else
+ return (1);
+ }
+ (void)setjmp(toplevel);
+ for (;;) {
+#ifdef TN3270
+ if (shell_active)
+ shell_continue();
+ else
+#endif
+ command(1, 0, 0);
+ }
+ return 0;
+}
Index: netkit-telnet-0.17-new/telnet/telnet.c
===================================================================
--- netkit-telnet-0.17-new/telnet/telnet.c (nonexistent)
+++ netkit-telnet-0.17-new/telnet/telnet.c (revision 5)
@@ -0,0 +1,2589 @@
+/* $OpenBSD: telnet.c,v 1.14 2002/02/17 17:20:49 millert Exp $ */
+/* $NetBSD: telnet.c,v 1.7 1996/02/28 21:04:15 thorpej Exp $ */
+
+/*
+ * Copyright (c) 1988, 1990, 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.
+ */
+
+#include "telnet_locl.h"
+#include <curses.h>
+#include <term.h>
+
+#define strip(x) (eight ? (x) : ((x) & 0x7f))
+
+static unsigned char subbuffer[SUBBUFSIZE],
+ *subpointer, *subend; /* buffer for sub-options */
+#define SB_CLEAR() subpointer = subbuffer;
+#define SB_TERM() { subend = subpointer; SB_CLEAR(); }
+#define SB_ACCUM(c) if (subpointer < (subbuffer+sizeof subbuffer)) { \
+ *subpointer++ = (c); \
+ }
+
+#define SB_GET() ((*subpointer++)&0xff)
+#define SB_PEEK() ((*subpointer)&0xff)
+#define SB_EOF() (subpointer >= subend)
+#define SB_LEN() (subend - subpointer)
+
+char options[256]; /* The combined options */
+char do_dont_resp[256];
+char will_wont_resp[256];
+
+int
+ eight = 3,
+ binary = 0,
+ autologin = 0, /* Autologin anyone? */
+ skiprc = 0,
+ connected,
+ showoptions,
+ In3270, /* Are we in 3270 mode? */
+ ISend, /* trying to send network data in */
+ debug = 0,
+ crmod,
+ netdata, /* Print out network data flow */
+ crlf, /* Should '\r' be mapped to <CR><LF> (or <CR><NUL>)? */
+#if defined(TN3270)
+ noasynchtty = 0,/* User specified "-noasynch" on command line */
+ noasynchnet = 0,/* User specified "-noasynch" on command line */
+ askedSGA = 0, /* We have talked about suppress go ahead */
+#endif /* defined(TN3270) */
+ telnetport,
+ SYNCHing, /* we are in TELNET SYNCH mode */
+ flushout, /* flush output */
+ autoflush = 0, /* flush output when interrupting? */
+ autosynch, /* send interrupt characters with SYNCH? */
+ localflow, /* we handle flow control locally */
+ restartany, /* if flow control enabled, restart on any character */
+ localchars, /* we recognize interrupt/quit */
+ donelclchars, /* the user has set "localchars" */
+ donebinarytoggle, /* the user has put us in binary */
+ dontlecho, /* do we suppress local echoing right now? */
+ globalmode,
+ clienteof = 0;
+
+char *prompt = 0;
+
+cc_t escape;
+cc_t rlogin;
+#ifdef KLUDGELINEMODE
+cc_t echoc;
+#endif
+
+/*
+ * Telnet receiver states for fsm
+ */
+#define TS_DATA 0
+#define TS_IAC 1
+#define TS_WILL 2
+#define TS_WONT 3
+#define TS_DO 4
+#define TS_DONT 5
+#define TS_CR 6
+#define TS_SB 7 /* sub-option collection */
+#define TS_SE 8 /* looking for sub-option end */
+
+static int telrcv_state;
+#ifdef OLD_ENVIRON
+unsigned char telopt_environ = TELOPT_NEW_ENVIRON;
+#else
+# define telopt_environ TELOPT_NEW_ENVIRON
+#endif
+
+jmp_buf toplevel = { 0 };
+jmp_buf peerdied;
+
+int flushline;
+int linemode;
+
+#ifdef KLUDGELINEMODE
+int kludgelinemode = 1;
+#endif
+
+/*
+ * The following are some clocks used to decide how to interpret
+ * the relationship between various variables.
+ */
+
+Clocks clocks;
+
+
+/*
+ * Initialize telnet environment.
+ */
+
+ void
+init_telnet()
+{
+ env_init();
+
+ SB_CLEAR();
+ memset((char *)options, 0, sizeof options);
+
+ connected = In3270 = ISend = localflow = donebinarytoggle = 0;
+#if defined(AUTHENTICATION) || defined(ENCRYPTION)
+ auth_encrypt_connect(connected);
+#endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */
+ restartany = -1;
+
+ SYNCHing = 0;
+
+ /* Don't change NetTrace */
+
+ escape = CONTROL(']');
+ rlogin = _POSIX_VDISABLE;
+#ifdef KLUDGELINEMODE
+ echoc = CONTROL('E');
+#endif
+
+ flushline = 1;
+ telrcv_state = TS_DATA;
+}
+
+
+/*
+ * These routines are in charge of sending option negotiations
+ * to the other side.
+ *
+ * The basic idea is that we send the negotiation if either side
+ * is in disagreement as to what the current state should be.
+ */
+
+ void
+send_do(c, init)
+ int c, init;
+{
+ if (init) {
+ if (((do_dont_resp[c] == 0) && my_state_is_do(c)) ||
+ my_want_state_is_do(c))
+ return;
+ set_my_want_state_do(c);
+ do_dont_resp[c]++;
+ }
+ NET2ADD(IAC, DO);
+ NETADD(c);
+ printoption("SENT",DO, c);
+}
+
+ void
+send_dont(c, init)
+ int c, init;
+{
+ if (init) {
+ if (((do_dont_resp[c] == 0) && my_state_is_dont(c)) ||
+ my_want_state_is_dont(c))
+ return;
+ set_my_want_state_dont(c);
+ do_dont_resp[c]++;
+ }
+ NET2ADD(IAC, DONT);
+ NETADD(c);
+ printoption("SENT", DONT, c);
+}
+
+ void
+send_will(c, init)
+ int c, init;
+{
+ if (init) {
+ if (((will_wont_resp[c] == 0) && my_state_is_will(c)) ||
+ my_want_state_is_will(c))
+ return;
+ set_my_want_state_will(c);
+ will_wont_resp[c]++;
+ }
+ NET2ADD(IAC, WILL);
+ NETADD(c);
+ printoption("SENT", WILL, c);
+}
+
+ void
+send_wont(c, init)
+ int c, init;
+{
+ if (init) {
+ if (((will_wont_resp[c] == 0) && my_state_is_wont(c)) ||
+ my_want_state_is_wont(c))
+ return;
+ set_my_want_state_wont(c);
+ will_wont_resp[c]++;
+ }
+ NET2ADD(IAC, WONT);
+ NETADD(c);
+ printoption("SENT", WONT, c);
+}
+
+
+ void
+willoption(option)
+ int option;
+{
+ int new_state_ok = 0;
+
+ if (do_dont_resp[option]) {
+ --do_dont_resp[option];
+ if (do_dont_resp[option] && my_state_is_do(option))
+ --do_dont_resp[option];
+ }
+
+ if ((do_dont_resp[option] == 0) && my_want_state_is_dont(option)) {
+
+ switch (option) {
+
+ case TELOPT_ECHO:
+# if defined(TN3270)
+ /*
+ * The following is a pain in the rear-end.
+ * Various IBM servers (some versions of Wiscnet,
+ * possibly Fibronics/Spartacus, and who knows who
+ * else) will NOT allow us to send "DO SGA" too early
+ * in the setup proceedings. On the other hand,
+ * 4.2 servers (telnetd) won't set SGA correctly.
+ * So, we are stuck. Empirically (but, based on
+ * a VERY small sample), the IBM servers don't send
+ * out anything about ECHO, so we postpone our sending
+ * "DO SGA" until we see "WILL ECHO" (which 4.2 servers
+ * DO send).
+ */
+ {
+ if (askedSGA == 0) {
+ askedSGA = 1;
+ if (my_want_state_is_dont(TELOPT_SGA))
+ send_do(TELOPT_SGA, 1);
+ }
+ }
+ /* Fall through */
+ case TELOPT_EOR:
+#endif /* defined(TN3270) */
+ case TELOPT_BINARY:
+ case TELOPT_SGA:
+ settimer(modenegotiated);
+ /* FALL THROUGH */
+ case TELOPT_STATUS:
+#if defined(AUTHENTICATION)
+ case TELOPT_AUTHENTICATION:
+#endif
+#if defined(ENCRYPTION)
+ case TELOPT_ENCRYPT:
+#endif
+ new_state_ok = 1;
+ break;
+
+ case TELOPT_TM:
+ if (flushout)
+ flushout = 0;
+ /*
+ * Special case for TM. If we get back a WILL,
+ * pretend we got back a WONT.
+ */
+ set_my_want_state_dont(option);
+ set_my_state_dont(option);
+ return; /* Never reply to TM will's/wont's */
+
+ case TELOPT_LINEMODE:
+ default:
+ break;
+ }
+
+ if (new_state_ok) {
+ set_my_want_state_do(option);
+ send_do(option, 0);
+ setconnmode(0); /* possibly set new tty mode */
+ } else {
+ do_dont_resp[option]++;
+ send_dont(option, 0);
+ }
+ }
+ set_my_state_do(option);
+#if defined(ENCRYPTION)
+ if (option == TELOPT_ENCRYPT)
+ encrypt_send_support();
+#endif
+
+}
+
+ void
+wontoption(option)
+ int option;
+{
+ if (do_dont_resp[option]) {
+ --do_dont_resp[option];
+ if (do_dont_resp[option] && my_state_is_dont(option))
+ --do_dont_resp[option];
+ }
+
+ if ((do_dont_resp[option] == 0) && my_want_state_is_do(option)) {
+
+ switch (option) {
+
+#ifdef KLUDGELINEMODE
+ case TELOPT_SGA:
+ if (!kludgelinemode)
+ break;
+ /* FALL THROUGH */
+#endif
+ case TELOPT_ECHO:
+ settimer(modenegotiated);
+ break;
+
+ case TELOPT_TM:
+ if (flushout)
+ flushout = 0;
+ set_my_want_state_dont(option);
+ set_my_state_dont(option);
+ return; /* Never reply to TM will's/wont's */
+
+#ifdef ENCRYPTION
+ case TELOPT_ENCRYPT:
+ encrypt_not();
+ break;
+#endif
+ default:
+ break;
+ }
+ set_my_want_state_dont(option);
+ if (my_state_is_do(option))
+ send_dont(option, 0);
+ setconnmode(0); /* Set new tty mode */
+ } else if (option == TELOPT_TM) {
+ /*
+ * Special case for TM.
+ */
+ if (flushout)
+ flushout = 0;
+ set_my_want_state_dont(option);
+ }
+ set_my_state_dont(option);
+}
+
+ static void
+dooption(option)
+ int option;
+{
+ int new_state_ok = 0;
+
+ if (will_wont_resp[option]) {
+ --will_wont_resp[option];
+ if (will_wont_resp[option] && my_state_is_will(option))
+ --will_wont_resp[option];
+ }
+
+ if (will_wont_resp[option] == 0) {
+ if (my_want_state_is_wont(option)) {
+
+ switch (option) {
+
+ case TELOPT_TM:
+ /*
+ * Special case for TM. We send a WILL, but pretend
+ * we sent WONT.
+ */
+ send_will(option, 0);
+ set_my_want_state_wont(TELOPT_TM);
+ set_my_state_wont(TELOPT_TM);
+ return;
+
+# if defined(TN3270)
+ case TELOPT_EOR: /* end of record */
+# endif /* defined(TN3270) */
+ case TELOPT_BINARY: /* binary mode */
+ case TELOPT_NAWS: /* window size */
+ case TELOPT_TSPEED: /* terminal speed */
+ case TELOPT_LFLOW: /* local flow control */
+ case TELOPT_TTYPE: /* terminal type option */
+ case TELOPT_SGA: /* no big deal */
+#if defined(ENCRYPTION)
+ case TELOPT_ENCRYPT: /* encryption variable option */
+#endif
+ new_state_ok = 1;
+ break;
+
+ case TELOPT_NEW_ENVIRON: /* New environment variable option */
+#ifdef OLD_ENVIRON
+ if (my_state_is_will(TELOPT_OLD_ENVIRON))
+ send_wont(TELOPT_OLD_ENVIRON, 1); /* turn off the old */
+ goto env_common;
+ case TELOPT_OLD_ENVIRON: /* Old environment variable option */
+ if (my_state_is_will(TELOPT_NEW_ENVIRON))
+ break; /* Don't enable if new one is in use! */
+ env_common:
+ telopt_environ = option;
+#endif
+ new_state_ok = 1;
+ break;
+
+#if defined(AUTHENTICATION)
+ case TELOPT_AUTHENTICATION:
+ if (autologin)
+ new_state_ok = 1;
+ break;
+#endif
+
+ case TELOPT_XDISPLOC: /* X Display location */
+ if (env_getvalue((unsigned char *)"DISPLAY", 0))
+ new_state_ok = 1;
+ break;
+
+ case TELOPT_LINEMODE:
+#ifdef KLUDGELINEMODE
+ kludgelinemode = 0;
+ send_do(TELOPT_SGA, 1);
+#endif
+ set_my_want_state_will(TELOPT_LINEMODE);
+ send_will(option, 0);
+ set_my_state_will(TELOPT_LINEMODE);
+ slc_init();
+ return;
+
+ case TELOPT_ECHO: /* We're never going to echo... */
+ default:
+ break;
+ }
+
+ if (new_state_ok) {
+ set_my_want_state_will(option);
+ send_will(option, 0);
+ setconnmode(0); /* Set new tty mode */
+ } else {
+ will_wont_resp[option]++;
+ send_wont(option, 0);
+ }
+ } else {
+ /*
+ * Handle options that need more things done after the
+ * other side has acknowledged the option.
+ */
+ switch (option) {
+ case TELOPT_LINEMODE:
+#ifdef KLUDGELINEMODE
+ kludgelinemode = 0;
+ send_do(TELOPT_SGA, 1);
+#endif
+ set_my_state_will(option);
+ slc_init();
+ send_do(TELOPT_SGA, 0);
+ return;
+ }
+ }
+ }
+ set_my_state_will(option);
+}
+
+ static void
+dontoption(option)
+ int option;
+{
+
+ if (will_wont_resp[option]) {
+ --will_wont_resp[option];
+ if (will_wont_resp[option] && my_state_is_wont(option))
+ --will_wont_resp[option];
+ }
+
+ if ((will_wont_resp[option] == 0) && my_want_state_is_will(option)) {
+ switch (option) {
+ case TELOPT_LINEMODE:
+ linemode = 0; /* put us back to the default state */
+ break;
+#ifdef OLD_ENVIRON
+ case TELOPT_NEW_ENVIRON:
+ /*
+ * The new environ option wasn't recognized, try
+ * the old one.
+ */
+ send_will(TELOPT_OLD_ENVIRON, 1);
+ telopt_environ = TELOPT_OLD_ENVIRON;
+ break;
+#endif
+ }
+ /* we always accept a DONT */
+ set_my_want_state_wont(option);
+ if (my_state_is_will(option))
+ send_wont(option, 0);
+ setconnmode(0); /* Set new tty mode */
+ }
+ set_my_state_wont(option);
+}
+
+/*
+ * This routine will turn a pipe separated list of names in the buffer
+ * into an array of pointers to NUL terminated names. We toss out any
+ * bad, duplicate, or verbose names (names with spaces).
+ */
+
+int is_unique(char *, char **, char **);
+
+static char *name_unknown = "UNKNOWN";
+static char *unknown[] = { 0, 0 };
+
+ char **
+mklist(buf, name)
+ char *buf, *name;
+{
+ int n;
+ char c, *cp, **argvp, *cp2, **argv, **avt;
+
+ if (name) {
+ if ((int)strlen(name) > 40) {
+ name = 0;
+ unknown[0] = name_unknown;
+ } else {
+ unknown[0] = name;
+ upcase(name);
+ }
+ } else
+ unknown[0] = name_unknown;
+ /*
+ * Count up the number of names.
+ */
+ for (n = 1, cp = buf; *cp; cp++) {
+ if (*cp == '|')
+ n++;
+ }
+ /*
+ * Allocate an array to put the name pointers into
+ */
+ argv = (char **)malloc((n+3)*sizeof(char *));
+ if (argv == 0)
+ return(unknown);
+
+ /*
+ * Fill up the array of pointers to names.
+ */
+ *argv = 0;
+ argvp = argv+1;
+ n = 0;
+ for (cp = cp2 = buf; (c = *cp); cp++) {
+ if (c == '|' || c == ':') {
+ *cp++ = '\0';
+ /*
+ * Skip entries that have spaces or are over 40
+ * characters long. If this is our environment
+ * name, then put it up front. Otherwise, as
+ * long as this is not a duplicate name (case
+ * insensitive) add it to the list.
+ */
+ if (n || (cp - cp2 > 41))
+ ;
+ else if (name && (strncasecmp(name, cp2, cp-cp2) == 0))
+ *argv = cp2;
+ else if (is_unique(cp2, argv+1, argvp))
+ *argvp++ = cp2;
+ if (c == ':')
+ break;
+ /*
+ * Skip multiple delimiters. Reset cp2 to
+ * the beginning of the next name. Reset n,
+ * the flag for names with spaces.
+ */
+ while ((c = *cp) == '|')
+ cp++;
+ cp2 = cp;
+ n = 0;
+ }
+ /*
+ * Skip entries with spaces or non-ascii values.
+ * Convert lower case letters to upper case.
+ */
+#define ISASCII(c) (!((c)&0x80))
+ if ((c == ' ') || !ISASCII(c))
+ n = 1;
+ else if (islower(c))
+ *cp = toupper(c);
+ }
+
+ /*
+ * Check for an old V6 2 character name. If the second
+ * name points to the beginning of the buffer, and is
+ * only 2 characters long, move it to the end of the array.
+ */
+ if ((argv[1] == buf) && (strlen(argv[1]) == 2)) {
+ --argvp;
+ for (avt = &argv[1]; avt < argvp; avt++)
+ *avt = *(avt+1);
+ *argvp++ = buf;
+ }
+
+ /*
+ * Duplicate last name, for TTYPE option, and null
+ * terminate the array. If we didn't find a match on
+ * our terminal name, put that name at the beginning.
+ */
+ cp = *(argvp-1);
+ *argvp++ = cp;
+ *argvp = 0;
+
+ if (*argv == 0) {
+ if (name)
+ *argv = name;
+ else {
+ --argvp;
+ for (avt = argv; avt < argvp; avt++)
+ *avt = *(avt+1);
+ }
+ }
+ if (*argv)
+ return(argv);
+ else
+ return(unknown);
+}
+
+ int
+is_unique(name, as, ae)
+ char *name, **as, **ae;
+{
+ char **ap;
+ int n;
+
+ n = strlen(name) + 1;
+ for (ap = as; ap < ae; ap++)
+ if (strncasecmp(*ap, name, n) == 0)
+ return(0);
+ return (1);
+}
+
+int resettermname = 1;
+
+ char *
+gettermname()
+{
+ char *tname;
+ static char **tnamep = 0;
+ static char **next;
+ int errret;
+
+ if (resettermname) {
+ resettermname = 0;
+ if (tnamep && tnamep != unknown)
+ free(tnamep);
+ if ((tname = (char *)env_getvalue((unsigned char *)"TERM", 0)) &&
+ (setupterm(tname, 1, &errret) == OK)) {
+ tnamep = mklist(ttytype, tname);
+ } else {
+ if (tname && ((int)strlen(tname) <= 40)) {
+ unknown[0] = tname;
+ upcase(tname);
+ } else
+ unknown[0] = name_unknown;
+ tnamep = unknown;
+ }
+ next = tnamep;
+ }
+ if (*next == 0)
+ next = tnamep;
+ return(*next++);
+}
+/*
+ * suboption()
+ *
+ * Look at the sub-option buffer, and try to be helpful to the other
+ * side.
+ *
+ * Currently we recognize:
+ *
+ * Terminal type, send request.
+ * Terminal speed (send request).
+ * Local flow control (is request).
+ * Linemode
+ */
+
+ static void
+suboption()
+{
+ unsigned char subchar;
+
+ printsub('<', subbuffer, SB_LEN()+2);
+ switch (subchar = SB_GET()) {
+ case TELOPT_TTYPE:
+ if (my_want_state_is_wont(TELOPT_TTYPE))
+ return;
+ if (SB_EOF() || SB_GET() != TELQUAL_SEND) {
+ return;
+ } else {
+ char *name;
+ unsigned char temp[50];
+ int len;
+
+#if defined(TN3270)
+ if (tn3270_ttype()) {
+ return;
+ }
+#endif /* defined(TN3270) */
+ name = gettermname();
+ len = strlen(name) + 4 + 2;
+ if (len < NETROOM()) {
+ snprintf((char *)temp, sizeof(temp),
+ "%c%c%c%c%s%c%c", IAC, SB, TELOPT_TTYPE,
+ TELQUAL_IS, name, IAC, SE);
+ ring_supply_data(&netoring, temp, len);
+ printsub('>', &temp[2], len-2);
+ } else {
+ ExitString("No room in buffer for terminal type.\n", 1);
+ /*NOTREACHED*/
+ }
+ }
+ break;
+ case TELOPT_TSPEED:
+ if (my_want_state_is_wont(TELOPT_TSPEED))
+ return;
+ if (SB_EOF())
+ return;
+ if (SB_GET() == TELQUAL_SEND) {
+ long ospeed, ispeed;
+ unsigned char temp[50];
+ int len;
+
+ TerminalSpeeds(&ispeed, &ospeed);
+
+ snprintf((char *)temp, sizeof(temp),
+ "%c%c%c%c%ld,%ld%c%c", IAC, SB, TELOPT_TSPEED,
+ TELQUAL_IS, ospeed, ispeed, IAC, SE);
+ len = strlen((char *)temp+4) + 4; /* temp[3] is 0 ... */
+
+ if (len < NETROOM()) {
+ ring_supply_data(&netoring, temp, len);
+ printsub('>', temp+2, len - 2);
+ }
+/*@*/ else printf("lm_will: not enough room in buffer\n");
+ }
+ break;
+ case TELOPT_LFLOW:
+ if (my_want_state_is_wont(TELOPT_LFLOW))
+ return;
+ if (SB_EOF())
+ return;
+ switch(SB_GET()) {
+ case LFLOW_RESTART_ANY:
+ restartany = 1;
+ break;
+ case LFLOW_RESTART_XON:
+ restartany = 0;
+ break;
+ case LFLOW_ON:
+ localflow = 1;
+ break;
+ case LFLOW_OFF:
+ localflow = 0;
+ break;
+ default:
+ return;
+ }
+ setcommandmode();
+ setconnmode(0);
+ break;
+
+ case TELOPT_LINEMODE:
+ if (my_want_state_is_wont(TELOPT_LINEMODE))
+ return;
+ if (SB_EOF())
+ return;
+ switch (SB_GET()) {
+ case WILL:
+ lm_will(subpointer, SB_LEN());
+ break;
+ case WONT:
+ lm_wont(subpointer, SB_LEN());
+ break;
+ case DO:
+ lm_do(subpointer, SB_LEN());
+ break;
+ case DONT:
+ lm_dont(subpointer, SB_LEN());
+ break;
+ case LM_SLC:
+ slc(subpointer, SB_LEN());
+ break;
+ case LM_MODE:
+ lm_mode(subpointer, SB_LEN(), 0);
+ break;
+ default:
+ break;
+ }
+ break;
+
+#ifdef OLD_ENVIRON
+ case TELOPT_OLD_ENVIRON:
+#endif
+ case TELOPT_NEW_ENVIRON:
+ if (SB_EOF())
+ return;
+ switch(SB_PEEK()) {
+ case TELQUAL_IS:
+ case TELQUAL_INFO:
+ if (my_want_state_is_dont(subchar))
+ return;
+ break;
+ case TELQUAL_SEND:
+ if (my_want_state_is_wont(subchar)) {
+ return;
+ }
+ break;
+ default:
+ return;
+ }
+ env_opt(subpointer, SB_LEN());
+ break;
+
+ case TELOPT_XDISPLOC:
+ if (my_want_state_is_wont(TELOPT_XDISPLOC))
+ return;
+ if (SB_EOF())
+ return;
+ if (SB_GET() == TELQUAL_SEND) {
+ unsigned char temp[50], *dp;
+ int len;
+
+ if ((dp = env_getvalue((unsigned char *)"DISPLAY", 0)) == NULL) {
+ /*
+ * Something happened, we no longer have a DISPLAY
+ * variable. So, turn off the option.
+ */
+ send_wont(TELOPT_XDISPLOC, 1);
+ break;
+ }
+ snprintf((char *)temp, sizeof(temp),
+ "%c%c%c%c%s%c%c", IAC, SB, TELOPT_XDISPLOC,
+ TELQUAL_IS, dp, IAC, SE);
+ len = strlen((char *)temp+4) + 4; /* temp[3] is 0 ... */
+
+ if (len < NETROOM()) {
+ ring_supply_data(&netoring, temp, len);
+ printsub('>', temp+2, len - 2);
+ }
+/*@*/ else printf("lm_will: not enough room in buffer\n");
+ }
+ break;
+
+#if defined(AUTHENTICATION)
+ case TELOPT_AUTHENTICATION: {
+ if (!autologin)
+ break;
+ if (SB_EOF())
+ return;
+ switch(SB_GET()) {
+ case TELQUAL_IS:
+ if (my_want_state_is_dont(TELOPT_AUTHENTICATION))
+ return;
+ auth_is(subpointer, SB_LEN());
+ break;
+ case TELQUAL_SEND:
+ if (my_want_state_is_wont(TELOPT_AUTHENTICATION))
+ return;
+ auth_send(subpointer, SB_LEN());
+ break;
+ case TELQUAL_REPLY:
+ if (my_want_state_is_wont(TELOPT_AUTHENTICATION))
+ return;
+ auth_reply(subpointer, SB_LEN());
+ break;
+ case TELQUAL_NAME:
+ if (my_want_state_is_dont(TELOPT_AUTHENTICATION))
+ return;
+ auth_name(subpointer, SB_LEN());
+ break;
+ }
+ }
+ break;
+#endif
+#if defined(ENCRYPTION)
+ case TELOPT_ENCRYPT:
+ if (SB_EOF())
+ return;
+ switch(SB_GET()) {
+ case ENCRYPT_START:
+ if (my_want_state_is_dont(TELOPT_ENCRYPT))
+ return;
+ encrypt_start(subpointer, SB_LEN());
+ break;
+ case ENCRYPT_END:
+ if (my_want_state_is_dont(TELOPT_ENCRYPT))
+ return;
+ encrypt_end();
+ break;
+ case ENCRYPT_SUPPORT:
+ if (my_want_state_is_wont(TELOPT_ENCRYPT))
+ return;
+ encrypt_support(subpointer, SB_LEN());
+ break;
+ case ENCRYPT_REQSTART:
+ if (my_want_state_is_wont(TELOPT_ENCRYPT))
+ return;
+ encrypt_request_start(subpointer, SB_LEN());
+ break;
+ case ENCRYPT_REQEND:
+ if (my_want_state_is_wont(TELOPT_ENCRYPT))
+ return;
+ /*
+ * We can always send an REQEND so that we cannot
+ * get stuck encrypting. We should only get this
+ * if we have been able to get in the correct mode
+ * anyhow.
+ */
+ encrypt_request_end();
+ break;
+ case ENCRYPT_IS:
+ if (my_want_state_is_dont(TELOPT_ENCRYPT))
+ return;
+ encrypt_is(subpointer, SB_LEN());
+ break;
+ case ENCRYPT_REPLY:
+ if (my_want_state_is_wont(TELOPT_ENCRYPT))
+ return;
+ encrypt_reply(subpointer, SB_LEN());
+ break;
+ case ENCRYPT_ENC_KEYID:
+ if (my_want_state_is_dont(TELOPT_ENCRYPT))
+ return;
+ encrypt_enc_keyid(subpointer, SB_LEN());
+ break;
+ case ENCRYPT_DEC_KEYID:
+ if (my_want_state_is_wont(TELOPT_ENCRYPT))
+ return;
+ encrypt_dec_keyid(subpointer, SB_LEN());
+ break;
+ default:
+ break;
+ }
+ break;
+#endif
+ default:
+ break;
+ }
+}
+
+static unsigned char str_lm[] = { IAC, SB, TELOPT_LINEMODE, 0, 0, IAC, SE };
+
+ void
+lm_will(cmd, len)
+ unsigned char *cmd;
+ int len;
+{
+ if (len < 1) {
+/*@*/ printf("lm_will: no command!!!\n"); /* Should not happen... */
+ return;
+ }
+ switch(cmd[0]) {
+ case LM_FORWARDMASK: /* We shouldn't ever get this... */
+ default:
+ str_lm[3] = DONT;
+ str_lm[4] = cmd[0];
+ if (NETROOM() > sizeof(str_lm)) {
+ ring_supply_data(&netoring, str_lm, sizeof(str_lm));
+ printsub('>', &str_lm[2], sizeof(str_lm)-2);
+ }
+/*@*/ else printf("lm_will: not enough room in buffer\n");
+ break;
+ }
+}
+
+ void
+lm_wont(cmd, len)
+ unsigned char *cmd;
+ int len;
+{
+ if (len < 1) {
+/*@*/ printf("lm_wont: no command!!!\n"); /* Should not happen... */
+ return;
+ }
+ switch(cmd[0]) {
+ case LM_FORWARDMASK: /* We shouldn't ever get this... */
+ default:
+ /* We are always DONT, so don't respond */
+ return;
+ }
+}
+
+ void
+lm_do(cmd, len)
+ unsigned char *cmd;
+ int len;
+{
+ if (len < 1) {
+/*@*/ printf("lm_do: no command!!!\n"); /* Should not happen... */
+ return;
+ }
+ switch(cmd[0]) {
+ case LM_FORWARDMASK:
+ default:
+ str_lm[3] = WONT;
+ str_lm[4] = cmd[0];
+ if (NETROOM() > sizeof(str_lm)) {
+ ring_supply_data(&netoring, str_lm, sizeof(str_lm));
+ printsub('>', &str_lm[2], sizeof(str_lm)-2);
+ }
+/*@*/ else printf("lm_do: not enough room in buffer\n");
+ break;
+ }
+}
+
+ void
+lm_dont(cmd, len)
+ unsigned char *cmd;
+ int len;
+{
+ if (len < 1) {
+/*@*/ printf("lm_dont: no command!!!\n"); /* Should not happen... */
+ return;
+ }
+ switch(cmd[0]) {
+ case LM_FORWARDMASK:
+ default:
+ /* we are always WONT, so don't respond */
+ break;
+ }
+}
+
+static unsigned char str_lm_mode[] = {
+ IAC, SB, TELOPT_LINEMODE, LM_MODE, 0, IAC, SE
+};
+
+ void
+lm_mode(cmd, len, init)
+ unsigned char *cmd;
+ int len, init;
+{
+ if (len != 1)
+ return;
+ if ((linemode&MODE_MASK&~MODE_ACK) == *cmd)
+ return;
+ if (*cmd&MODE_ACK)
+ return;
+ linemode = *cmd&(MODE_MASK&~MODE_ACK);
+ str_lm_mode[4] = linemode;
+ if (!init)
+ str_lm_mode[4] |= MODE_ACK;
+ if (NETROOM() > sizeof(str_lm_mode)) {
+ ring_supply_data(&netoring, str_lm_mode, sizeof(str_lm_mode));
+ printsub('>', &str_lm_mode[2], sizeof(str_lm_mode)-2);
+ }
+/*@*/ else printf("lm_mode: not enough room in buffer\n");
+ setconnmode(0); /* set changed mode */
+}
+
+
+
+/*
+ * slc()
+ * Handle special character suboption of LINEMODE.
+ */
+
+struct spc {
+ cc_t val;
+ cc_t *valp;
+ char flags; /* Current flags & level */
+ char mylevel; /* Maximum level & flags */
+} spc_data[NSLC+1];
+
+#define SLC_IMPORT 0
+#define SLC_EXPORT 1
+#define SLC_RVALUE 2
+static int slc_mode = SLC_EXPORT;
+
+ void
+slc_init()
+{
+ struct spc *spcp;
+
+ localchars = 1;
+ for (spcp = spc_data; spcp < &spc_data[NSLC+1]; spcp++) {
+ spcp->val = 0;
+ spcp->valp = 0;
+ spcp->flags = spcp->mylevel = SLC_NOSUPPORT;
+ }
+
+#define initfunc(func, flags) { \
+ spcp = &spc_data[func]; \
+ if ((spcp->valp = tcval(func))) { \
+ spcp->val = *spcp->valp; \
+ spcp->mylevel = SLC_VARIABLE|flags; \
+ } else { \
+ spcp->val = 0; \
+ spcp->mylevel = SLC_DEFAULT; \
+ } \
+ }
+
+ initfunc(SLC_SYNCH, 0);
+ /* No BRK */
+ initfunc(SLC_AO, 0);
+ initfunc(SLC_AYT, 0);
+ /* No EOR */
+ initfunc(SLC_ABORT, SLC_FLUSHIN|SLC_FLUSHOUT);
+ initfunc(SLC_EOF, 0);
+#ifndef SYSV_TERMIO
+ initfunc(SLC_SUSP, SLC_FLUSHIN);
+#endif
+ initfunc(SLC_EC, 0);
+ initfunc(SLC_EL, 0);
+#ifndef SYSV_TERMIO
+ initfunc(SLC_EW, 0);
+ initfunc(SLC_RP, 0);
+ initfunc(SLC_LNEXT, 0);
+#endif
+ initfunc(SLC_XON, 0);
+ initfunc(SLC_XOFF, 0);
+#ifdef SYSV_TERMIO
+ spc_data[SLC_XON].mylevel = SLC_CANTCHANGE;
+ spc_data[SLC_XOFF].mylevel = SLC_CANTCHANGE;
+#endif
+ initfunc(SLC_FORW1, 0);
+#ifdef USE_TERMIO
+ initfunc(SLC_FORW2, 0);
+ /* No FORW2 */
+#endif
+
+ initfunc(SLC_IP, SLC_FLUSHIN|SLC_FLUSHOUT);
+#undef initfunc
+
+ if (slc_mode == SLC_EXPORT)
+ slc_export();
+ else
+ slc_import(1);
+
+}
+
+ void
+slcstate()
+{
+ printf("Special characters are %s values\n",
+ slc_mode == SLC_IMPORT ? "remote default" :
+ slc_mode == SLC_EXPORT ? "local" :
+ "remote");
+}
+
+ void
+slc_mode_export()
+{
+ slc_mode = SLC_EXPORT;
+ if (my_state_is_will(TELOPT_LINEMODE))
+ slc_export();
+}
+
+ void
+slc_mode_import(def)
+ int def;
+{
+ slc_mode = def ? SLC_IMPORT : SLC_RVALUE;
+ if (my_state_is_will(TELOPT_LINEMODE))
+ slc_import(def);
+}
+
+unsigned char slc_import_val[] = {
+ IAC, SB, TELOPT_LINEMODE, LM_SLC, 0, SLC_VARIABLE, 0, IAC, SE
+};
+unsigned char slc_import_def[] = {
+ IAC, SB, TELOPT_LINEMODE, LM_SLC, 0, SLC_DEFAULT, 0, IAC, SE
+};
+
+ void
+slc_import(def)
+ int def;
+{
+ if (NETROOM() > sizeof(slc_import_val)) {
+ if (def) {
+ ring_supply_data(&netoring, slc_import_def, sizeof(slc_import_def));
+ printsub('>', &slc_import_def[2], sizeof(slc_import_def)-2);
+ } else {
+ ring_supply_data(&netoring, slc_import_val, sizeof(slc_import_val));
+ printsub('>', &slc_import_val[2], sizeof(slc_import_val)-2);
+ }
+ }
+/*@*/ else printf("slc_import: not enough room\n");
+}
+
+ void
+slc_export()
+{
+ struct spc *spcp;
+
+ TerminalDefaultChars();
+
+ slc_start_reply();
+ for (spcp = &spc_data[1]; spcp < &spc_data[NSLC+1]; spcp++) {
+ if (spcp->mylevel != SLC_NOSUPPORT) {
+ if (spcp->val == (cc_t)(_POSIX_VDISABLE))
+ spcp->flags = SLC_NOSUPPORT;
+ else
+ spcp->flags = spcp->mylevel;
+ if (spcp->valp)
+ spcp->val = *spcp->valp;
+ slc_add_reply(spcp - spc_data, spcp->flags, spcp->val);
+ }
+ }
+ slc_end_reply();
+ (void)slc_update();
+ setconnmode(1); /* Make sure the character values are set */
+}
+
+ void
+slc(cp, len)
+ unsigned char *cp;
+ int len;
+{
+ struct spc *spcp;
+ int func,level;
+
+ slc_start_reply();
+
+ for (; len >= 3; len -=3, cp +=3) {
+
+ func = cp[SLC_FUNC];
+
+ if (func == 0) {
+ /*
+ * Client side: always ignore 0 function.
+ */
+ continue;
+ }
+ if (func > NSLC) {
+ if ((cp[SLC_FLAGS] & SLC_LEVELBITS) != SLC_NOSUPPORT)
+ slc_add_reply(func, SLC_NOSUPPORT, 0);
+ continue;
+ }
+
+ spcp = &spc_data[func];
+
+ level = cp[SLC_FLAGS]&(SLC_LEVELBITS|SLC_ACK);
+
+ if ((cp[SLC_VALUE] == (unsigned char)spcp->val) &&
+ ((level&SLC_LEVELBITS) == (spcp->flags&SLC_LEVELBITS))) {
+ continue;
+ }
+
+ if (level == (SLC_DEFAULT|SLC_ACK)) {
+ /*
+ * This is an error condition, the SLC_ACK
+ * bit should never be set for the SLC_DEFAULT
+ * level. Our best guess to recover is to
+ * ignore the SLC_ACK bit.
+ */
+ cp[SLC_FLAGS] &= ~SLC_ACK;
+ }
+
+ if (level == ((spcp->flags&SLC_LEVELBITS)|SLC_ACK)) {
+ spcp->val = (cc_t)cp[SLC_VALUE];
+ spcp->flags = cp[SLC_FLAGS]; /* include SLC_ACK */
+ continue;
+ }
+
+ level &= ~SLC_ACK;
+
+ if (level <= (spcp->mylevel&SLC_LEVELBITS)) {
+ spcp->flags = cp[SLC_FLAGS]|SLC_ACK;
+ spcp->val = (cc_t)cp[SLC_VALUE];
+ }
+ if (level == SLC_DEFAULT) {
+ if ((spcp->mylevel&SLC_LEVELBITS) != SLC_DEFAULT)
+ spcp->flags = spcp->mylevel;
+ else
+ spcp->flags = SLC_NOSUPPORT;
+ }
+ slc_add_reply(func, spcp->flags, spcp->val);
+ }
+ slc_end_reply();
+ if (slc_update())
+ setconnmode(1); /* set the new character values */
+}
+
+ void
+slc_check()
+{
+ struct spc *spcp;
+
+ slc_start_reply();
+ for (spcp = &spc_data[1]; spcp < &spc_data[NSLC+1]; spcp++) {
+ if (spcp->valp && spcp->val != *spcp->valp) {
+ spcp->val = *spcp->valp;
+ if (spcp->val == (cc_t)(_POSIX_VDISABLE))
+ spcp->flags = SLC_NOSUPPORT;
+ else
+ spcp->flags = spcp->mylevel;
+ slc_add_reply(spcp - spc_data, spcp->flags, spcp->val);
+ }
+ }
+ slc_end_reply();
+ setconnmode(1);
+}
+
+
+static unsigned char slc_reply[2 * SUBBUFSIZE];
+static unsigned char *slc_replyp;
+
+ unsigned char
+slc_add(unsigned char ch)
+{
+ if (slc_replyp == slc_reply + sizeof(slc_reply))
+ return ch;
+ return *slc_replyp++ = ch;
+}
+
+ void
+slc_start_reply()
+{
+ slc_replyp = slc_reply;
+ slc_add(IAC);
+ slc_add(SB);
+ slc_add(TELOPT_LINEMODE);
+ slc_add(LM_SLC);
+}
+
+ void
+slc_add_reply(func, flags, value)
+ unsigned char func;
+ unsigned char flags;
+ cc_t value;
+{
+ if (slc_replyp + 6 >= slc_reply + sizeof(slc_reply)) {
+ printf("slc_add_reply: not enough room\n");
+ return;
+ }
+ if (slc_add(func) == IAC)
+ slc_add(IAC);
+ if (slc_add(flags) == IAC)
+ slc_add(IAC);
+ if (slc_add((unsigned char)value) == IAC)
+ slc_add(IAC);
+}
+
+ void
+slc_end_reply()
+{
+ int len;
+
+ if (slc_replyp + 2 >= slc_reply + sizeof(slc_reply)) {
+ printf("slc_end_reply: not enough room\n");
+ return;
+ }
+
+ slc_add(IAC);
+ slc_add(SE);
+ len = slc_replyp - slc_reply;
+ if (len <= 6)
+ return;
+ if (NETROOM() > len) {
+ ring_supply_data(&netoring, slc_reply, slc_replyp - slc_reply);
+ printsub('>', &slc_reply[2], slc_replyp - slc_reply - 2);
+ }
+/*@*/else printf("slc_end_reply: not enough room\n");
+}
+
+ int
+slc_update()
+{
+ struct spc *spcp;
+ int need_update = 0;
+
+ for (spcp = &spc_data[1]; spcp < &spc_data[NSLC+1]; spcp++) {
+ if (!(spcp->flags&SLC_ACK))
+ continue;
+ spcp->flags &= ~SLC_ACK;
+ if (spcp->valp && (*spcp->valp != spcp->val)) {
+ *spcp->valp = spcp->val;
+ need_update = 1;
+ }
+ }
+ return(need_update);
+}
+
+#ifdef OLD_ENVIRON
+# ifdef ENV_HACK
+/*
+ * Earlier version of telnet/telnetd from the BSD code had
+ * the definitions of VALUE and VAR reversed. To ensure
+ * maximum interoperability, we assume that the server is
+ * an older BSD server, until proven otherwise. The newer
+ * BSD servers should be able to handle either definition,
+ * so it is better to use the wrong values if we don't
+ * know what type of server it is.
+ */
+int env_auto = 1;
+int old_env_var = OLD_ENV_VAR;
+int old_env_value = OLD_ENV_VALUE;
+# else
+# define old_env_var OLD_ENV_VAR
+# define old_env_value OLD_ENV_VALUE
+# endif
+#endif
+
+ void
+env_opt(buf, len)
+ unsigned char *buf;
+ int len;
+{
+ unsigned char *ep = 0, *epc = 0;
+ int i;
+
+ switch(buf[0]&0xff) {
+ case TELQUAL_SEND:
+ env_opt_start();
+ if (len == 1) {
+ env_opt_add(NULL);
+ } else for (i = 1; i < len; i++) {
+ switch (buf[i]&0xff) {
+#ifdef OLD_ENVIRON
+ case OLD_ENV_VAR:
+# ifdef ENV_HACK
+ if (telopt_environ == TELOPT_OLD_ENVIRON
+ && env_auto) {
+ /* Server has the same definitions */
+ old_env_var = OLD_ENV_VAR;
+ old_env_value = OLD_ENV_VALUE;
+ }
+ /* FALL THROUGH */
+# endif
+ case OLD_ENV_VALUE:
+ /*
+ * Although OLD_ENV_VALUE is not legal, we will
+ * still recognize it, just in case it is an
+ * old server that has VAR & VALUE mixed up...
+ */
+ /* FALL THROUGH */
+#else
+ case NEW_ENV_VAR:
+#endif
+ case ENV_USERVAR:
+ if (ep) {
+ *epc = 0;
+ env_opt_add(ep);
+ }
+ ep = epc = &buf[i+1];
+ break;
+ case ENV_ESC:
+ i++;
+ /*FALL THROUGH*/
+ default:
+ if (epc)
+ *epc++ = buf[i];
+ break;
+ }
+ }
+ if (ep) {
+ *epc = 0;
+ env_opt_add(ep);
+ }
+ env_opt_end(1);
+ break;
+
+ case TELQUAL_IS:
+ case TELQUAL_INFO:
+ /* Ignore for now. We shouldn't get it anyway. */
+ break;
+
+ default:
+ break;
+ }
+}
+
+#define OPT_REPLY_SIZE (2 * SUBBUFSIZE)
+static unsigned char *opt_reply;
+static unsigned char *opt_replyp;
+static unsigned char *opt_replyend;
+
+ void
+opt_add(unsigned char ch)
+{
+ if (opt_replyp == opt_replyend)
+ return;
+ *opt_replyp++ = ch;
+}
+ void
+env_opt_start()
+{
+ unsigned char *p;
+
+ if (opt_reply) {
+ p = (unsigned char *)realloc(opt_reply, OPT_REPLY_SIZE);
+ if (p == NULL)
+ free(opt_reply);
+ } else
+ p = (unsigned char *)malloc(OPT_REPLY_SIZE);
+ opt_reply = p;
+ if (opt_reply == NULL) {
+/*@*/ printf("env_opt_start: malloc()/realloc() failed!!!\n");
+ opt_reply = opt_replyp = opt_replyend = NULL;
+ return;
+ }
+ opt_replyp = opt_reply;
+ opt_replyend = opt_reply + OPT_REPLY_SIZE;
+ opt_add(IAC);
+ opt_add(SB);
+ opt_add(telopt_environ);
+ opt_add(TELQUAL_IS);
+}
+
+ void
+env_opt_start_info()
+{
+ env_opt_start();
+ if (opt_replyp)
+ opt_replyp[-1] = TELQUAL_INFO;
+}
+
+ void
+env_opt_add(ep)
+ unsigned char *ep;
+{
+ unsigned char *vp, c;
+
+ if (opt_reply == NULL) /*XXX*/
+ return; /*XXX*/
+
+ if (ep == NULL || *ep == '\0') {
+ /* Send user defined variables first. */
+ env_default(1, 0);
+ while ((ep = env_default(0, 0)))
+ env_opt_add(ep);
+
+ /* Now add the list of well know variables. */
+ env_default(1, 1);
+ while ((ep = env_default(0, 1)))
+ env_opt_add(ep);
+ return;
+ }
+ vp = env_getvalue(ep, 1);
+ if (opt_replyp + 2 * (vp ? strlen((char *)vp) : 0) +
+ 2 * strlen((char *)ep) + 6 > opt_replyend)
+ {
+ size_t len;
+ unsigned char *p;
+
+ len = opt_replyend - opt_reply;
+ len += OPT_REPLY_SIZE + 2 * strlen(ep);
+ if (vp)
+ len += 2 * strlen(vp);
+ p = (unsigned char *)realloc(opt_reply, len);
+ if (p == NULL) {
+ free(opt_reply);
+/*@*/ printf("env_opt_add: realloc() failed!!!\n");
+ opt_reply = opt_replyp = opt_replyend = NULL;
+ return;
+ }
+ opt_replyp = p + (opt_replyp - opt_reply);
+ opt_replyend = p + len;
+ opt_reply = p;
+ }
+ if (opt_welldefined((char *)ep))
+#ifdef OLD_ENVIRON
+ if (telopt_environ == TELOPT_OLD_ENVIRON)
+ opt_add(old_env_var);
+ else
+#endif
+ opt_add(NEW_ENV_VAR);
+ else
+ opt_add(ENV_USERVAR);
+
+ for (;;) {
+ while ((c = *ep++)) {
+ switch(c&0xff) {
+ case IAC:
+ opt_add(IAC);
+ break;
+ case NEW_ENV_VAR:
+ case NEW_ENV_VALUE:
+ case ENV_ESC:
+ case ENV_USERVAR:
+ opt_add(ENV_ESC);
+ break;
+ }
+ opt_add(c);
+ }
+ if ((ep = vp)) {
+#ifdef OLD_ENVIRON
+ if (telopt_environ == TELOPT_OLD_ENVIRON)
+ opt_add(old_env_value);
+ else
+#endif
+ opt_add(NEW_ENV_VALUE);
+ vp = NULL;
+ } else
+ break;
+ }
+}
+
+ int
+opt_welldefined(ep)
+ char *ep;
+{
+ if ((strcmp(ep, "USER") == 0) ||
+ (strcmp(ep, "DISPLAY") == 0) ||
+ (strcmp(ep, "PRINTER") == 0) ||
+ (strcmp(ep, "SYSTEMTYPE") == 0) ||
+ (strcmp(ep, "JOB") == 0) ||
+ (strcmp(ep, "ACCT") == 0))
+ return(1);
+ return(0);
+}
+ void
+env_opt_end(emptyok)
+ int emptyok;
+{
+ int len;
+
+ len = opt_replyp - opt_reply + 2;
+ if (emptyok || len > 6) {
+ opt_add(IAC);
+ opt_add(SE);
+ if (NETROOM() > len) {
+ ring_supply_data(&netoring, opt_reply, len);
+ printsub('>', &opt_reply[2], len - 2);
+ }
+/*@*/ else printf("slc_end_reply: not enough room\n");
+ }
+ if (opt_reply) {
+ free(opt_reply);
+ opt_reply = opt_replyp = opt_replyend = NULL;
+ }
+}
+
+
+
+ int
+telrcv()
+{
+ int c;
+ int scc;
+ unsigned char *sbp;
+ int count;
+ int returnValue = 0;
+
+ scc = 0;
+ count = 0;
+ while (TTYROOM() > 2) {
+ if (scc == 0) {
+ if (count) {
+ ring_consumed(&netiring, count);
+ returnValue = 1;
+ count = 0;
+ }
+ sbp = netiring.consume;
+ scc = ring_full_consecutive(&netiring);
+ if (scc == 0) {
+ /* No more data coming in */
+ break;
+ }
+ }
+
+ c = *sbp++ & 0xff, scc--; count++;
+#if defined(ENCRYPTION)
+ if (decrypt_input)
+ c = (*decrypt_input)(c);
+#endif
+
+ switch (telrcv_state) {
+
+ case TS_CR:
+ telrcv_state = TS_DATA;
+ if (c == '\0') {
+ break; /* Ignore \0 after CR */
+ }
+ else if ((c == '\n') && my_want_state_is_dont(TELOPT_ECHO) && !crmod) {
+ TTYADD(c);
+ break;
+ }
+ /* Else, fall through */
+
+ case TS_DATA:
+ if (c == IAC) {
+ telrcv_state = TS_IAC;
+ break;
+ }
+# if defined(TN3270)
+ if (In3270) {
+ *Ifrontp++ = c;
+ while (scc > 0) {
+ c = *sbp++ & 0377, scc--; count++;
+ if (c == IAC) {
+ telrcv_state = TS_IAC;
+ break;
+ }
+ *Ifrontp++ = c;
+ }
+ } else
+# endif /* defined(TN3270) */
+ /*
+ * The 'crmod' hack (see following) is needed
+ * since we can't set CRMOD on output only.
+ * Machines like MULTICS like to send \r without
+ * \n; since we must turn off CRMOD to get proper
+ * input, the mapping is done here (sigh).
+ */
+ if ((c == '\r') && my_want_state_is_dont(TELOPT_BINARY)) {
+ if (scc > 0) {
+ c = *sbp&0xff;
+#if defined(ENCRYPTION)
+ if (decrypt_input)
+ c = (*decrypt_input)(c);
+#endif
+ if (c == 0) {
+ sbp++, scc--; count++;
+ /* a "true" CR */
+ TTYADD('\r');
+ } else if (my_want_state_is_dont(TELOPT_ECHO) &&
+ (c == '\n')) {
+ sbp++, scc--; count++;
+ TTYADD('\n');
+ } else {
+#if defined(ENCRYPTION)
+ if (decrypt_input)
+ (*decrypt_input)(-1);
+#endif
+ TTYADD('\r');
+ if (crmod) {
+ TTYADD('\n');
+ }
+ }
+ } else {
+ telrcv_state = TS_CR;
+ TTYADD('\r');
+ if (crmod) {
+ TTYADD('\n');
+ }
+ }
+ } else {
+ TTYADD(c);
+ }
+ continue;
+
+ case TS_IAC:
+process_iac:
+ switch (c) {
+
+ case WILL:
+ telrcv_state = TS_WILL;
+ continue;
+
+ case WONT:
+ telrcv_state = TS_WONT;
+ continue;
+
+ case DO:
+ telrcv_state = TS_DO;
+ continue;
+
+ case DONT:
+ telrcv_state = TS_DONT;
+ continue;
+
+ case DM:
+ /*
+ * We may have missed an urgent notification,
+ * so make sure we flush whatever is in the
+ * buffer currently.
+ */
+ printoption("RCVD", IAC, DM);
+ SYNCHing = 1;
+ (void) ttyflush(1);
+ SYNCHing = stilloob();
+ settimer(gotDM);
+ break;
+
+ case SB:
+ SB_CLEAR();
+ telrcv_state = TS_SB;
+ continue;
+
+# if defined(TN3270)
+ case EOR:
+ if (In3270) {
+ if (Ibackp == Ifrontp) {
+ Ibackp = Ifrontp = Ibuf;
+ ISend = 0; /* should have been! */
+ } else {
+ Ibackp += DataFromNetwork(Ibackp, Ifrontp-Ibackp, 1);
+ ISend = 1;
+ }
+ }
+ printoption("RCVD", IAC, EOR);
+ break;
+# endif /* defined(TN3270) */
+
+ case IAC:
+# if !defined(TN3270)
+ TTYADD(IAC);
+# else /* !defined(TN3270) */
+ if (In3270) {
+ *Ifrontp++ = IAC;
+ } else {
+ TTYADD(IAC);
+ }
+# endif /* !defined(TN3270) */
+ break;
+
+ case NOP:
+ case GA:
+ default:
+ printoption("RCVD", IAC, c);
+ break;
+ }
+ telrcv_state = TS_DATA;
+ continue;
+
+ case TS_WILL:
+ printoption("RCVD", WILL, c);
+ willoption(c);
+ SetIn3270();
+ telrcv_state = TS_DATA;
+ continue;
+
+ case TS_WONT:
+ printoption("RCVD", WONT, c);
+ wontoption(c);
+ SetIn3270();
+ telrcv_state = TS_DATA;
+ continue;
+
+ case TS_DO:
+ printoption("RCVD", DO, c);
+ dooption(c);
+ SetIn3270();
+ if (c == TELOPT_NAWS) {
+ sendnaws();
+ } else if (c == TELOPT_LFLOW) {
+ localflow = 1;
+ setcommandmode();
+ setconnmode(0);
+ }
+ telrcv_state = TS_DATA;
+ continue;
+
+ case TS_DONT:
+ printoption("RCVD", DONT, c);
+ dontoption(c);
+ flushline = 1;
+ setconnmode(0); /* set new tty mode (maybe) */
+ SetIn3270();
+ telrcv_state = TS_DATA;
+ continue;
+
+ case TS_SB:
+ if (c == IAC) {
+ telrcv_state = TS_SE;
+ } else {
+ SB_ACCUM(c);
+ }
+ continue;
+
+ case TS_SE:
+ if (c != SE) {
+ if (c != IAC) {
+ /*
+ * This is an error. We only expect to get
+ * "IAC IAC" or "IAC SE". Several things may
+ * have happend. An IAC was not doubled, the
+ * IAC SE was left off, or another option got
+ * inserted into the suboption are all possibilities.
+ * If we assume that the IAC was not doubled,
+ * and really the IAC SE was left off, we could
+ * get into an infinate loop here. So, instead,
+ * we terminate the suboption, and process the
+ * partial suboption if we can.
+ */
+ SB_ACCUM(IAC);
+ SB_ACCUM(c);
+ subpointer -= 2;
+ SB_TERM();
+
+ printoption("In SUBOPTION processing, RCVD", IAC, c);
+ suboption(); /* handle sub-option */
+ SetIn3270();
+ telrcv_state = TS_IAC;
+ goto process_iac;
+ }
+ SB_ACCUM(c);
+ telrcv_state = TS_SB;
+ } else {
+ SB_ACCUM(IAC);
+ SB_ACCUM(SE);
+ subpointer -= 2;
+ SB_TERM();
+ suboption(); /* handle sub-option */
+ SetIn3270();
+ telrcv_state = TS_DATA;
+ }
+ }
+ }
+ if (count)
+ ring_consumed(&netiring, count);
+ return returnValue||count;
+}
+
+static int bol = 1, local = 0;
+
+ int
+rlogin_susp()
+{
+ if (local) {
+ local = 0;
+ bol = 1;
+ command(0, "z\n", 2);
+ return(1);
+ }
+ return(0);
+}
+
+ static int
+telsnd()
+{
+ int tcc;
+ int count;
+ int returnValue = 0;
+ unsigned char *tbp;
+
+ tcc = 0;
+ count = 0;
+ while (NETROOM() > 2) {
+ int sc;
+ int c;
+
+ if (tcc == 0) {
+ if (count) {
+ ring_consumed(&ttyiring, count);
+ returnValue = 1;
+ count = 0;
+ }
+ tbp = ttyiring.consume;
+ tcc = ring_full_consecutive(&ttyiring);
+ if (tcc == 0) {
+ break;
+ }
+ }
+ c = *tbp++ & 0xff, sc = strip(c), tcc--; count++;
+ if (rlogin != _POSIX_VDISABLE) {
+ if (bol) {
+ bol = 0;
+ if (sc == rlogin) {
+ local = 1;
+ continue;
+ }
+ } else if (local) {
+ local = 0;
+ if (sc == '.' || c == termEofChar) {
+ bol = 1;
+ command(0, "close\n", 6);
+ continue;
+ }
+ if (sc == termSuspChar) {
+ bol = 1;
+ command(0, "z\n", 2);
+ continue;
+ }
+ if (sc == escape) {
+ command(0, (char *)tbp, tcc);
+ bol = 1;
+ count += tcc;
+ tcc = 0;
+ flushline = 1;
+ break;
+ }
+ if (sc != rlogin) {
+ ++tcc;
+ --tbp;
+ --count;
+ c = sc = rlogin;
+ }
+ }
+ if ((sc == '\n') || (sc == '\r'))
+ bol = 1;
+ } else if (escape != _POSIX_VDISABLE && sc == escape) {
+ /*
+ * Double escape is a pass through of a single escape character.
+ */
+ if (tcc && strip(*tbp) == escape) {
+ tbp++;
+ tcc--;
+ count++;
+ bol = 0;
+ } else {
+ command(0, (char *)tbp, tcc);
+ bol = 1;
+ count += tcc;
+ tcc = 0;
+ flushline = 1;
+ break;
+ }
+ } else
+ bol = 0;
+#ifdef KLUDGELINEMODE
+ if (kludgelinemode && (globalmode&MODE_EDIT) && (sc == echoc)) {
+ if (tcc > 0 && strip(*tbp) == echoc) {
+ tcc--; tbp++; count++;
+ } else {
+ dontlecho = !dontlecho;
+ settimer(echotoggle);
+ setconnmode(0);
+ flushline = 1;
+ break;
+ }
+ }
+#endif
+ if (sc != _POSIX_VDISABLE && MODE_LOCAL_CHARS(globalmode)) {
+ if (TerminalSpecialChars(sc) == 0) {
+ bol = 1;
+ break;
+ }
+ }
+ if (my_want_state_is_wont(TELOPT_BINARY)) {
+ switch (c) {
+ case '\n':
+ /*
+ * If we are in CRMOD mode (\r ==> \n)
+ * on our local machine, then probably
+ * a newline (unix) is CRLF (TELNET).
+ */
+ if (MODE_LOCAL_CHARS(globalmode)) {
+ NETADD('\r');
+ }
+ NETADD('\n');
+ bol = flushline = 1;
+ break;
+ case '\r':
+ if (!crlf) {
+ NET2ADD('\r', '\0');
+ } else {
+ NET2ADD('\r', '\n');
+ }
+ bol = flushline = 1;
+ break;
+ case IAC:
+ NET2ADD(IAC, IAC);
+ break;
+ default:
+ NETADD(c);
+ break;
+ }
+ } else if (c == IAC) {
+ NET2ADD(IAC, IAC);
+ } else {
+ NETADD(c);
+ }
+ }
+ if (count)
+ ring_consumed(&ttyiring, count);
+ return returnValue||count; /* Non-zero if we did anything */
+}
+
+/*
+ * Scheduler()
+ *
+ * Try to do something.
+ *
+ * If we do something useful, return 1; else return 0.
+ *
+ */
+
+
+ int
+Scheduler(block)
+ int block; /* should we block in the select ? */
+{
+ /* One wants to be a bit careful about setting returnValue
+ * to one, since a one implies we did some useful work,
+ * and therefore probably won't be called to block next
+ * time (TN3270 mode only).
+ */
+ int returnValue;
+ int netin, netout, netex, ttyin, ttyout;
+
+ /* Decide which rings should be processed */
+
+ netout = ring_full_count(&netoring) &&
+ (flushline ||
+ (my_want_state_is_wont(TELOPT_LINEMODE)
+#ifdef KLUDGELINEMODE
+ && (!kludgelinemode || my_want_state_is_do(TELOPT_SGA))
+#endif
+ ) ||
+ my_want_state_is_will(TELOPT_BINARY));
+ ttyout = ring_full_count(&ttyoring);
+
+#if defined(TN3270)
+ ttyin = ring_empty_count(&ttyiring) && (clienteof == 0) && (shell_active == 0);
+#else /* defined(TN3270) */
+ ttyin = ring_empty_count(&ttyiring) && (clienteof == 0);
+#endif /* defined(TN3270) */
+
+#if defined(TN3270)
+ netin = ring_empty_count(&netiring);
+# else /* !defined(TN3270) */
+ netin = !ISend && ring_empty_count(&netiring);
+# endif /* !defined(TN3270) */
+
+ netex = !SYNCHing;
+
+ /* If we have seen a signal recently, reset things */
+# if defined(TN3270) && defined(unix)
+ if (HaveInput) {
+ HaveInput = 0;
+ (void) signal(SIGIO, inputAvailable);
+ }
+#endif /* defined(TN3270) && defined(unix) */
+
+ /* Call to system code to process rings */
+
+ returnValue = process_rings(netin, netout, netex, ttyin, ttyout, !block);
+
+ /* Now, look at the input rings, looking for work to do. */
+
+ if (ring_full_count(&ttyiring)) {
+# if defined(TN3270)
+ if (In3270) {
+ int c;
+
+ c = DataFromTerminal(ttyiring.consume,
+ ring_full_consecutive(&ttyiring));
+ if (c) {
+ returnValue = 1;
+ ring_consumed(&ttyiring, c);
+ }
+ } else {
+# endif /* defined(TN3270) */
+ returnValue |= telsnd();
+# if defined(TN3270)
+ }
+# endif /* defined(TN3270) */
+ }
+
+ if (ring_full_count(&netiring)) {
+# if !defined(TN3270)
+ returnValue |= telrcv();
+# else /* !defined(TN3270) */
+ returnValue = Push3270();
+# endif /* !defined(TN3270) */
+ }
+ return returnValue;
+}
+
+/*
+ * Select from tty and network...
+ */
+ void
+telnet(user)
+ char *user;
+{
+ sys_telnet_init();
+
+#if defined(AUTHENTICATION) || defined(ENCRYPTION)
+ {
+ static char local_host[256] = { 0 };
+
+ if (!local_host[0]) {
+ gethostname(local_host, sizeof(local_host));
+ local_host[sizeof(local_host)-1] = 0;
+ }
+ auth_encrypt_init(local_host, hostname, "TELNET", 0);
+ auth_encrypt_user(user);
+ }
+#endif /* defined(AUTHENTICATION) || defined(ENCRYPTION) */
+# if !defined(TN3270)
+ if (telnetport) {
+#if defined(AUTHENTICATION)
+ if (autologin)
+ send_will(TELOPT_AUTHENTICATION, 1);
+#endif
+#if defined(ENCRYPTION)
+ send_do(TELOPT_ENCRYPT, 1);
+ send_will(TELOPT_ENCRYPT, 1);
+#endif
+ send_do(TELOPT_SGA, 1);
+ send_will(TELOPT_TTYPE, 1);
+ send_will(TELOPT_NAWS, 1);
+ send_will(TELOPT_TSPEED, 1);
+ send_will(TELOPT_LFLOW, 1);
+ send_will(TELOPT_LINEMODE, 1);
+ send_will(TELOPT_NEW_ENVIRON, 1);
+ send_do(TELOPT_STATUS, 1);
+ if (env_getvalue((unsigned char *)"DISPLAY", 0))
+ send_will(TELOPT_XDISPLOC, 1);
+ if (binary)
+ tel_enter_binary(binary);
+ }
+# endif /* !defined(TN3270) */
+
+# if !defined(TN3270)
+ for (;;) {
+ int schedValue;
+
+ while ((schedValue = Scheduler(0)) != 0) {
+ if (schedValue == -1) {
+ setcommandmode();
+ return;
+ }
+ }
+
+ if (Scheduler(1) == -1) {
+ setcommandmode();
+ return;
+ }
+ }
+# else /* !defined(TN3270) */
+ for (;;) {
+ int schedValue;
+
+ while (!In3270 && !shell_active) {
+ if (Scheduler(1) == -1) {
+ setcommandmode();
+ return;
+ }
+ }
+
+ while ((schedValue = Scheduler(0)) != 0) {
+ if (schedValue == -1) {
+ setcommandmode();
+ return;
+ }
+ }
+ /* If there is data waiting to go out to terminal, don't
+ * schedule any more data for the terminal.
+ */
+ if (ring_full_count(&ttyoring)) {
+ schedValue = 1;
+ } else {
+ if (shell_active) {
+ if (shell_continue() == 0) {
+ ConnectScreen();
+ }
+ } else if (In3270) {
+ schedValue = DoTerminalOutput();
+ }
+ }
+ if (schedValue && (shell_active == 0)) {
+ if (Scheduler(1) == -1) {
+ setcommandmode();
+ return;
+ }
+ }
+ }
+# endif /* !defined(TN3270) */
+}
+
+#if 0 /* XXX - this not being in is a bug */
+/*
+ * nextitem()
+ *
+ * Return the address of the next "item" in the TELNET data
+ * stream. This will be the address of the next character if
+ * the current address is a user data character, or it will
+ * be the address of the character following the TELNET command
+ * if the current address is a TELNET IAC ("I Am a Command")
+ * character.
+ */
+
+ static char *
+nextitem(current)
+ char *current;
+{
+ if ((*current&0xff) != IAC) {
+ return current+1;
+ }
+ switch (*(current+1)&0xff) {
+ case DO:
+ case DONT:
+ case WILL:
+ case WONT:
+ return current+3;
+ case SB: /* loop forever looking for the SE */
+ {
+ char *look = current+2;
+
+ for (;;) {
+ if ((*look++&0xff) == IAC) {
+ if ((*look++&0xff) == SE) {
+ return look;
+ }
+ }
+ }
+ }
+ default:
+ return current+2;
+ }
+}
+#endif /* 0 */
+
+/*
+ * netclear()
+ *
+ * We are about to do a TELNET SYNCH operation. Clear
+ * the path to the network.
+ *
+ * Things are a bit tricky since we may have sent the first
+ * byte or so of a previous TELNET command into the network.
+ * So, we have to scan the network buffer from the beginning
+ * until we are up to where we want to be.
+ *
+ * A side effect of what we do, just to keep things
+ * simple, is to clear the urgent data pointer. The principal
+ * caller should be setting the urgent data pointer AFTER calling
+ * us in any case.
+ */
+
+ static void
+netclear()
+{
+#if 0 /* XXX */
+ char *thisitem, *next;
+ char *good;
+#define wewant(p) ((nfrontp > p) && ((*p&0xff) == IAC) && \
+ ((*(p+1)&0xff) != EC) && ((*(p+1)&0xff) != EL))
+
+ thisitem = netobuf;
+
+ while ((next = nextitem(thisitem)) <= netobuf.send) {
+ thisitem = next;
+ }
+
+ /* Now, thisitem is first before/at boundary. */
+
+ good = netobuf; /* where the good bytes go */
+
+ while (netoring.add > thisitem) {
+ if (wewant(thisitem)) {
+ int length;
+
+ next = thisitem;
+ do {
+ next = nextitem(next);
+ } while (wewant(next) && (nfrontp > next));
+ length = next-thisitem;
+ memmove(good, thisitem, length);
+ good += length;
+ thisitem = next;
+ } else {
+ thisitem = nextitem(thisitem);
+ }
+ }
+
+#endif /* 0 */
+}
+
+/*
+ * These routines add various telnet commands to the data stream.
+ */
+
+ static void
+doflush()
+{
+ NET2ADD(IAC, DO);
+ NETADD(TELOPT_TM);
+ flushline = 1;
+ flushout = 1;
+ (void) ttyflush(1); /* Flush/drop output */
+ /* do printoption AFTER flush, otherwise the output gets tossed... */
+ printoption("SENT", DO, TELOPT_TM);
+}
+
+ void
+xmitAO()
+{
+ NET2ADD(IAC, AO);
+ printoption("SENT", IAC, AO);
+ if (autoflush) {
+ doflush();
+ }
+}
+
+
+ void
+xmitEL()
+{
+ NET2ADD(IAC, EL);
+ printoption("SENT", IAC, EL);
+}
+
+ void
+xmitEC()
+{
+ NET2ADD(IAC, EC);
+ printoption("SENT", IAC, EC);
+}
+
+
+ int
+dosynch()
+{
+ netclear(); /* clear the path to the network */
+ NETADD(IAC);
+ setneturg();
+ NETADD(DM);
+ printoption("SENT", IAC, DM);
+ return 1;
+}
+
+int want_status_response = 0;
+
+ int
+get_status()
+{
+ unsigned char tmp[16];
+ unsigned char *cp;
+
+ if (my_want_state_is_dont(TELOPT_STATUS)) {
+ printf("Remote side does not support STATUS option\n");
+ return 0;
+ }
+ cp = tmp;
+
+ *cp++ = IAC;
+ *cp++ = SB;
+ *cp++ = TELOPT_STATUS;
+ *cp++ = TELQUAL_SEND;
+ *cp++ = IAC;
+ *cp++ = SE;
+ if (NETROOM() >= cp - tmp) {
+ ring_supply_data(&netoring, tmp, cp-tmp);
+ printsub('>', tmp+2, cp - tmp - 2);
+ }
+ ++want_status_response;
+ return 1;
+}
+
+ void
+intp()
+{
+ NET2ADD(IAC, IP);
+ printoption("SENT", IAC, IP);
+ flushline = 1;
+ if (autoflush) {
+ doflush();
+ }
+ if (autosynch) {
+ dosynch();
+ }
+}
+
+ void
+sendbrk()
+{
+ NET2ADD(IAC, BREAK);
+ printoption("SENT", IAC, BREAK);
+ flushline = 1;
+ if (autoflush) {
+ doflush();
+ }
+ if (autosynch) {
+ dosynch();
+ }
+}
+
+ void
+sendabort()
+{
+ NET2ADD(IAC, ABORT);
+ printoption("SENT", IAC, ABORT);
+ flushline = 1;
+ if (autoflush) {
+ doflush();
+ }
+ if (autosynch) {
+ dosynch();
+ }
+}
+
+ void
+sendsusp()
+{
+ NET2ADD(IAC, SUSP);
+ printoption("SENT", IAC, SUSP);
+ flushline = 1;
+ if (autoflush) {
+ doflush();
+ }
+ if (autosynch) {
+ dosynch();
+ }
+}
+
+ void
+sendeof()
+{
+ NET2ADD(IAC, xEOF);
+ printoption("SENT", IAC, xEOF);
+}
+
+ void
+sendayt()
+{
+ NET2ADD(IAC, AYT);
+ printoption("SENT", IAC, AYT);
+}
+
+/*
+ * Send a window size update to the remote system.
+ */
+
+ void
+sendnaws()
+{
+ long rows, cols;
+ unsigned char tmp[16];
+ unsigned char *cp;
+
+ if (my_state_is_wont(TELOPT_NAWS))
+ return;
+
+#define PUTSHORT(cp, x) { if ((*cp++ = ((x)>>8)&0xff) == IAC) *cp++ = IAC; \
+ if ((*cp++ = ((x))&0xff) == IAC) *cp++ = IAC; }
+
+ if (TerminalWindowSize(&rows, &cols) == 0) { /* Failed */
+ return;
+ }
+
+ cp = tmp;
+
+ *cp++ = IAC;
+ *cp++ = SB;
+ *cp++ = TELOPT_NAWS;
+ PUTSHORT(cp, cols);
+ PUTSHORT(cp, rows);
+ *cp++ = IAC;
+ *cp++ = SE;
+ if (NETROOM() >= cp - tmp) {
+ ring_supply_data(&netoring, tmp, cp-tmp);
+ printsub('>', tmp+2, cp - tmp - 2);
+ }
+}
+
+ void
+tel_enter_binary(rw)
+ int rw;
+{
+ if (rw&1)
+ send_do(TELOPT_BINARY, 1);
+ if (rw&2)
+ send_will(TELOPT_BINARY, 1);
+}
+
+ void
+tel_leave_binary(rw)
+ int rw;
+{
+ if (rw&1)
+ send_dont(TELOPT_BINARY, 1);
+ if (rw&2)
+ send_wont(TELOPT_BINARY, 1);
+}
Index: netkit-telnet-0.17-new/telnet/utilities.c
===================================================================
--- netkit-telnet-0.17-new/telnet/utilities.c (nonexistent)
+++ netkit-telnet-0.17-new/telnet/utilities.c (revision 5)
@@ -0,0 +1,926 @@
+/* $OpenBSD: utilities.c,v 1.7 2002/02/01 06:59:17 itojun Exp $ */
+/* $NetBSD: utilities.c,v 1.5 1996/02/28 21:04:21 thorpej Exp $ */
+
+/*
+ * 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.
+ */
+
+#define TELOPTS
+#define TELCMDS
+#define SLC_NAMES
+
+#include "telnet_locl.h"
+
+FILE *NetTrace = 0; /* Not in bss, since needs to stay */
+int prettydump;
+
+/*
+ * upcase()
+ *
+ * Upcase (in place) the argument.
+ */
+
+ void
+upcase(argument)
+ char *argument;
+{
+ 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,
+ (void *)&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[MAXPATHLEN] = "(standard output)";
+
+ void
+SetNetTrace(file)
+ char *file;
+{
+ if (NetTrace && NetTrace != stdout)
+ fclose(NetTrace);
+ if (file && (strcmp(file, "-") != 0)) {
+ NetTrace = fopen(file, "w");
+ if (NetTrace) {
+ strncpy((char *)NetTraceFile, file, sizeof(NetTraceFile));
+ 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 {
+ 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()
+{
+ 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 */
+{
+ 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) {
+ 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;
+
+#if defined(AUTHENTICATION)
+ case TELOPT_AUTHENTICATION:
+ fprintf(NetTrace, "AUTHENTICATION");
+ if (length < 2) {
+ fprintf(NetTrace, " (empty suboption??\?)");
+ break;
+ }
+ switch (pointer[1]) {
+ case TELQUAL_REPLY:
+ case TELQUAL_IS:
+ fprintf(NetTrace, " %s ", (pointer[1] == TELQUAL_IS) ?
+ "IS" : "REPLY");
+ if (AUTHTYPE_NAME_OK(pointer[2]))
+ fprintf(NetTrace, "%s ", AUTHTYPE_NAME(pointer[2]));
+ else
+ fprintf(NetTrace, "%d ", pointer[2]);
+ if (length < 3) {
+ fprintf(NetTrace, "(partial suboption??\?)");
+ break;
+ }
+ fprintf(NetTrace, "%s|%s",
+ ((pointer[3] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ?
+ "CLIENT" : "SERVER",
+ ((pointer[3] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ?
+ "MUTUAL" : "ONE-WAY");
+
+ auth_printsub(&pointer[1], length - 1, buf, sizeof(buf));
+ fprintf(NetTrace, "%s", buf);
+ break;
+
+ case TELQUAL_SEND:
+ i = 2;
+ fprintf(NetTrace, " SEND ");
+ while (i < length) {
+ if (AUTHTYPE_NAME_OK(pointer[i]))
+ fprintf(NetTrace, "%s ", AUTHTYPE_NAME(pointer[i]));
+ else
+ fprintf(NetTrace, "%d ", pointer[i]);
+ if (++i >= length) {
+ fprintf(NetTrace, "(partial suboption??\?)");
+ break;
+ }
+ fprintf(NetTrace, "%s|%s ",
+ ((pointer[i] & AUTH_WHO_MASK) == AUTH_WHO_CLIENT) ?
+ "CLIENT" : "SERVER",
+ ((pointer[i] & AUTH_HOW_MASK) == AUTH_HOW_MUTUAL) ?
+ "MUTUAL" : "ONE-WAY");
+ ++i;
+ }
+ break;
+
+ case TELQUAL_NAME:
+ i = 2;
+ fprintf(NetTrace, " NAME \"");
+ while (i < length)
+ putc(pointer[i++], NetTrace);
+ putc('"', NetTrace);
+ break;
+
+ default:
+ for (i = 2; i < length; i++)
+ fprintf(NetTrace, " ?%d?", pointer[i]);
+ break;
+ }
+ break;
+#endif
+
+#if defined(ENCRYPTION)
+ case TELOPT_ENCRYPT:
+ fprintf(NetTrace, "ENCRYPT");
+ if (length < 2) {
+ fprintf(NetTrace, " (empty suboption?)");
+ break;
+ }
+ switch (pointer[1]) {
+ case ENCRYPT_START:
+ fprintf(NetTrace, " START");
+ break;
+
+ case ENCRYPT_END:
+ fprintf(NetTrace, " END");
+ break;
+
+ case ENCRYPT_REQSTART:
+ fprintf(NetTrace, " REQUEST-START");
+ break;
+
+ case ENCRYPT_REQEND:
+ fprintf(NetTrace, " REQUEST-END");
+ break;
+
+ case ENCRYPT_IS:
+ case ENCRYPT_REPLY:
+ fprintf(NetTrace, " %s ", (pointer[1] == ENCRYPT_IS) ?
+ "IS" : "REPLY");
+ if (length < 3) {
+ fprintf(NetTrace, " (partial suboption?)");
+ break;
+ }
+ if (ENCTYPE_NAME_OK(pointer[2]))
+ fprintf(NetTrace, "%s ", ENCTYPE_NAME(pointer[2]));
+ else
+ fprintf(NetTrace, " %d (unknown)", pointer[2]);
+
+ encrypt_printsub(&pointer[1], length - 1, buf, sizeof(buf));
+ fprintf(NetTrace, "%s", buf);
+ break;
+
+ case ENCRYPT_SUPPORT:
+ i = 2;
+ fprintf(NetTrace, " SUPPORT ");
+ while (i < length) {
+ if (ENCTYPE_NAME_OK(pointer[i]))
+ fprintf(NetTrace, "%s ", ENCTYPE_NAME(pointer[i]));
+ else
+ fprintf(NetTrace, "%d ", pointer[i]);
+ i++;
+ }
+ break;
+
+ case ENCRYPT_ENC_KEYID:
+ fprintf(NetTrace, " ENC_KEYID ");
+ goto encommon;
+
+ case ENCRYPT_DEC_KEYID:
+ fprintf(NetTrace, " DEC_KEYID ");
+ goto encommon;
+
+ default:
+ fprintf(NetTrace, " %d (unknown)", pointer[1]);
+ encommon:
+ for (i = 2; i < length; i++)
+ fprintf(NetTrace, " %d", pointer[i]);
+ break;
+ }
+ break;
+#endif
+
+
+ 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];
+ snprintf(tbuf, sizeof(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: {
+ char *cp;
+ 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:
+ {
+ 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 outs;
+
+ FD_ZERO(&outs);
+#endif /* defined(unix) */
+
+ if (TTYBYTES() == 0) {
+#if defined(unix)
+ FD_SET(tout, &outs);
+ (void) select(tout+1, (fd_set *) 0, &outs, (fd_set *) 0,
+ (struct timeval *) 0); /* wait for TTLOWAT */
+#endif /* defined(unix) */
+ } else {
+ while (TTYBYTES()) {
+ (void) ttyflush(0);
+#if defined(unix)
+ ttyflush(0);
+ FD_SET(tout, &outs);
+ (void) select(tout+1, (fd_set *) 0, &outs, (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);
+}
Index: netkit-telnet-0.17-new/telnet
===================================================================
--- netkit-telnet-0.17-new/telnet (nonexistent)
+++ netkit-telnet-0.17-new/telnet (revision 5)
Property changes on: netkit-telnet-0.17-new/telnet
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: netkit-telnet-0.17-new
===================================================================
--- netkit-telnet-0.17-new (nonexistent)
+++ netkit-telnet-0.17-new (revision 5)
Property changes on: netkit-telnet-0.17-new
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: .
===================================================================
--- . (nonexistent)
+++ . (revision 5)
Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Radix cross Linux
The main Radix cross Linux repository contains the build scripts of packages, which have the most complete and common functionality for desktop machines
452 Commits
2 Branches
1 Tag