diff options
Diffstat (limited to 'secure/usr.bin/telnet/tn3270.c')
| -rw-r--r-- | secure/usr.bin/telnet/tn3270.c | 411 |
1 files changed, 0 insertions, 411 deletions
diff --git a/secure/usr.bin/telnet/tn3270.c b/secure/usr.bin/telnet/tn3270.c deleted file mode 100644 index a75cd1e..0000000 --- a/secure/usr.bin/telnet/tn3270.c +++ /dev/null @@ -1,411 +0,0 @@ -/* - * Copyright (c) 1988, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char sccsid[] = "@(#)tn3270.c 8.2 (Berkeley) 5/30/95"; -#endif /* not lint */ - -#include <sys/types.h> -#include <arpa/telnet.h> - -#include "general.h" - -#include "defines.h" -#include "ring.h" -#include "externs.h" -#include "fdset.h" - -#if defined(TN3270) - -#include "../ctlr/screen.h" -#include "../general/globals.h" - -#include "../sys_curses/telextrn.h" -#include "../ctlr/externs.h" - -#if defined(unix) -int - HaveInput, /* There is input available to scan */ - cursesdata, /* Do we dump curses data? */ - sigiocount; /* Number of times we got a SIGIO */ - -char tline[200]; -char *transcom = 0; /* transparent mode command (default: none) */ -#endif /* defined(unix) */ - -char Ibuf[8*BUFSIZ], *Ifrontp, *Ibackp; - -static char sb_terminal[] = { IAC, SB, - TELOPT_TTYPE, TELQUAL_IS, - 'I', 'B', 'M', '-', '3', '2', '7', '8', '-', '2', - IAC, SE }; -#define SBTERMMODEL 13 - -static int - Sent3270TerminalType; /* Have we said we are a 3270? */ - -#endif /* defined(TN3270) */ - - - void -init_3270() -{ -#if defined(TN3270) -#if defined(unix) - HaveInput = 0; - sigiocount = 0; -#endif /* defined(unix) */ - Sent3270TerminalType = 0; - Ifrontp = Ibackp = Ibuf; - init_ctlr(); /* Initialize some things */ - init_keyboard(); - init_screen(); - init_system(); -#endif /* defined(TN3270) */ -} - - -#if defined(TN3270) - -/* - * DataToNetwork - queue up some data to go to network. If "done" is set, - * then when last byte is queued, we add on an IAC EOR sequence (so, - * don't call us with "done" until you want that done...) - * - * We actually do send all the data to the network buffer, since our - * only client needs for us to do that. - */ - - int -DataToNetwork(buffer, count, done) - register char *buffer; /* where the data is */ - register int count; /* how much to send */ - int done; /* is this the last of a logical block */ -{ - register int loop, c; - int origCount; - - origCount = count; - - while (count) { - /* If not enough room for EORs, IACs, etc., wait */ - if (NETROOM() < 6) { - fd_set o; - - FD_ZERO(&o); - netflush(); - while (NETROOM() < 6) { - FD_SET(net, &o); - (void) select(net+1, (fd_set *) 0, &o, (fd_set *) 0, - (struct timeval *) 0); - netflush(); - } - } - c = ring_empty_count(&netoring); - if (c > count) { - c = count; - } - loop = c; - while (loop) { - if (((unsigned char)*buffer) == IAC) { - break; - } - buffer++; - loop--; - } - if ((c = c-loop)) { - ring_supply_data(&netoring, buffer-c, c); - count -= c; - } - if (loop) { - NET2ADD(IAC, IAC); - count--; - buffer++; - } - } - - if (done) { - NET2ADD(IAC, EOR); - netflush(); /* try to move along as quickly as ... */ - } - return(origCount - count); -} - - -#if defined(unix) - void -inputAvailable(signo) - int signo; -{ - HaveInput = 1; - sigiocount++; -} -#endif /* defined(unix) */ - - void -outputPurge() -{ - (void) ttyflush(1); -} - - -/* - * The following routines are places where the various tn3270 - * routines make calls into telnet.c. - */ - -/* - * DataToTerminal - queue up some data to go to terminal. - * - * Note: there are people who call us and depend on our processing - * *all* the data at one time (thus the select). - */ - - int -DataToTerminal(buffer, count) - register char *buffer; /* where the data is */ - register int count; /* how much to send */ -{ - register int c; - int origCount; - - origCount = count; - - while (count) { - if (TTYROOM() == 0) { -#if defined(unix) - fd_set o; - - FD_ZERO(&o); -#endif /* defined(unix) */ - (void) ttyflush(0); - while (TTYROOM() == 0) { -#if defined(unix) - FD_SET(tout, &o); - (void) select(tout+1, (fd_set *) 0, &o, (fd_set *) 0, - (struct timeval *) 0); -#endif /* defined(unix) */ - (void) ttyflush(0); - } - } - c = TTYROOM(); - if (c > count) { - c = count; - } - ring_supply_data(&ttyoring, buffer, c); - count -= c; - buffer += c; - } - return(origCount); -} - - -/* - * Push3270 - Try to send data along the 3270 output (to screen) direction. - */ - - int -Push3270() -{ - int save = ring_full_count(&netiring); - - if (save) { - if (Ifrontp+save > Ibuf+sizeof Ibuf) { - if (Ibackp != Ibuf) { - memmove(Ibuf, Ibackp, Ifrontp-Ibackp); - Ifrontp -= (Ibackp-Ibuf); - Ibackp = Ibuf; - } - } - if (Ifrontp+save < Ibuf+sizeof Ibuf) { - (void)telrcv(); - } - } - return save != ring_full_count(&netiring); -} - - -/* - * Finish3270 - get the last dregs of 3270 data out to the terminal - * before quitting. - */ - - void -Finish3270() -{ - while (Push3270() || !DoTerminalOutput()) { -#if defined(unix) - HaveInput = 0; -#endif /* defined(unix) */ - ; - } -} - - -/* StringToTerminal - output a null terminated string to the terminal */ - - void -StringToTerminal(s) - char *s; -{ - int count; - - count = strlen(s); - if (count) { - (void) DataToTerminal(s, count); /* we know it always goes... */ - } -} - - -#if ((!defined(NOT43)) || defined(PUTCHAR)) -/* _putchar - output a single character to the terminal. This name is so that - * curses(3x) can call us to send out data. - */ - - void -_putchar(c) - char c; -{ -#if defined(sun) /* SunOS 4.0 bug */ - c &= 0x7f; -#endif /* defined(sun) */ - if (cursesdata) { - Dump('>', &c, 1); - } - if (!TTYROOM()) { - (void) DataToTerminal(&c, 1); - } else { - TTYADD(c); - } -} -#endif /* ((!defined(NOT43)) || defined(PUTCHAR)) */ - - void -SetIn3270() -{ - if (Sent3270TerminalType && my_want_state_is_will(TELOPT_BINARY) - && my_want_state_is_do(TELOPT_BINARY) && !donebinarytoggle) { - if (!In3270) { - In3270 = 1; - Init3270(); /* Initialize 3270 functions */ - /* initialize terminal key mapping */ - InitTerminal(); /* Start terminal going */ - setconnmode(0); - } - } else { - if (In3270) { - StopScreen(1); - In3270 = 0; - Stop3270(); /* Tell 3270 we aren't here anymore */ - setconnmode(0); - } - } -} - -/* - * tn3270_ttype() - * - * Send a response to a terminal type negotiation. - * - * Return '0' if no more responses to send; '1' if a response sent. - */ - - int -tn3270_ttype() -{ - /* - * Try to send a 3270 type terminal name. Decide which one based - * on the format of our screen, and (in the future) color - * capaiblities. - */ - InitTerminal(); /* Sets MaxNumberColumns, MaxNumberLines */ - if ((MaxNumberLines >= 24) && (MaxNumberColumns >= 80)) { - Sent3270TerminalType = 1; - if ((MaxNumberLines >= 27) && (MaxNumberColumns >= 132)) { - MaxNumberLines = 27; - MaxNumberColumns = 132; - sb_terminal[SBTERMMODEL] = '5'; - } else if (MaxNumberLines >= 43) { - MaxNumberLines = 43; - MaxNumberColumns = 80; - sb_terminal[SBTERMMODEL] = '4'; - } else if (MaxNumberLines >= 32) { - MaxNumberLines = 32; - MaxNumberColumns = 80; - sb_terminal[SBTERMMODEL] = '3'; - } else { - MaxNumberLines = 24; - MaxNumberColumns = 80; - sb_terminal[SBTERMMODEL] = '2'; - } - NumberLines = 24; /* before we start out... */ - NumberColumns = 80; - ScreenSize = NumberLines*NumberColumns; - if ((MaxNumberLines*MaxNumberColumns) > MAXSCREENSIZE) { - ExitString("Programming error: MAXSCREENSIZE too small.\n", - 1); - /*NOTREACHED*/ - } - printsub('>', sb_terminal+2, sizeof sb_terminal-2); - ring_supply_data(&netoring, sb_terminal, sizeof sb_terminal); - return 1; - } else { - return 0; - } -} - -#if defined(unix) - int -settranscom(argc, argv) - int argc; - char *argv[]; -{ - int i; - - if (argc == 1 && transcom) { - transcom = 0; - } - if (argc == 1) { - return 1; - } - transcom = tline; - (void) strcpy(transcom, argv[1]); - for (i = 2; i < argc; ++i) { - (void) strcat(transcom, " "); - (void) strcat(transcom, argv[i]); - } - return 1; -} -#endif /* defined(unix) */ - -#endif /* defined(TN3270) */ |
