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main.c
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/* $XTermId: main.c,v 1.930 2024/12/01 19:57:13 tom Exp $ */
/*
* Copyright 2002-2023,2024 by Thomas E. Dickey
*
* All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above copyright
* holders shall not be used in advertising or otherwise to promote the
* sale, use or other dealings in this Software without prior written
* authorization.
*
* Copyright 1987, 1988 X Consortium
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation.
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of the X Consortium shall not be
* used in advertising or otherwise to promote the sale, use or other dealings
* in this Software without prior written authorization from the X Consortium.
*
* Copyright 1987, 1988 by Digital Equipment Corporation, Maynard.
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of Digital not be used in
* advertising or publicity pertaining to distribution of the software
* without specific, written prior permission.
*
* DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*/
/*
* W A R N I N G
*
* If you think you know what all of this code is doing, you are
* probably very mistaken. There be serious and nasty dragons here.
*
* This client is *not* to be taken as an example of how to write X
* Toolkit applications. It is in need of a substantial rewrite,
* ideally to create a generic tty widget with several different parsing
* widgets so that you can plug 'em together any way you want. Don't
* hold your breath, though....
*/
/* main.c */
#define RES_OFFSET(field) XtOffsetOf(XTERM_RESOURCE, field)
#include <xterm.h>
#include <version.h>
#include <graphics.h>
/* xterm uses these X Toolkit resource names, which are exported in array */
#undef XtNborderWidth
#undef XtNiconName
#undef XtNgeometry
#undef XtNreverseVideo
#undef XtNtitle
#define XtNborderWidth "borderWidth"
#define XtNgeometry "geometry"
#define XtNiconName "iconName"
#define XtNreverseVideo "reverseVideo"
#define XtNtitle "title"
#if OPT_TOOLBAR
#if defined(HAVE_LIB_XAW)
#include <X11/Xaw/Form.h>
#elif defined(HAVE_LIB_XAW3D)
#include <X11/Xaw3d/Form.h>
#elif defined(HAVE_LIB_XAW3DXFT)
#include <X11/Xaw3dxft/Form.h>
#include <X11/Xaw3dxft/Xaw3dXft.h>
#elif defined(HAVE_LIB_NEXTAW)
#include <X11/neXtaw/Form.h>
#elif defined(HAVE_LIB_XAWPLUS)
#include <X11/XawPlus/Form.h>
#endif
#else
#if defined(HAVE_LIB_XAW3DXFT)
#include <X11/Xaw3dxft/Xaw3dXft.h>
#endif
#endif /* OPT_TOOLBAR */
#include <pwd.h>
#include <ctype.h>
#include <data.h>
#include <error.h>
#include <menu.h>
#include <main.h>
#include <xstrings.h>
#include <xtermcap.h>
#include <xterm_io.h>
#if OPT_WIDE_CHARS
#include <charclass.h>
#endif
#ifdef __osf__
#define USE_SYSV_SIGNALS
#define WTMP
#include <pty.h> /* openpty() */
#endif
#ifdef __sgi
#include <grp.h> /* initgroups() */
#endif
static GCC_NORETURN void hungtty(int);
static GCC_NORETURN void Syntax(char *);
static GCC_NORETURN void HsSysError(int);
#if defined(__SCO__) || defined(SVR4) || defined(_POSIX_VERSION) || ( defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 1) )
#define USE_POSIX_SIGNALS
#endif
#if defined(SYSV) && !defined(SVR4) && !defined(ISC22) && !defined(ISC30)
/* older SYSV systems cannot ignore SIGHUP.
Shell hangs, or you get extra shells, or something like that */
#define USE_SYSV_SIGHUP
#endif
#if defined(sony) && defined(bsd43) && !defined(KANJI)
#define KANJI
#endif
#ifdef __linux__
#define USE_SYSV_PGRP
#define USE_SYSV_SIGNALS
#define WTMP
#ifdef HAVE_PTY_H
#include <pty.h>
#endif
#endif
#ifdef __CYGWIN__
#define WTMP
#endif
#ifdef __SCO__
#ifndef _SVID3
#define _SVID3
#endif
#endif
#if defined(__GLIBC__) && !defined(__linux__)
#define USE_SYSV_PGRP
#define WTMP
#endif
#if defined(USE_TTY_GROUP) || defined(USE_UTMP_SETGID) || defined(HAVE_INITGROUPS)
#include <grp.h>
#endif
#ifndef TTY_GROUP_NAME
#define TTY_GROUP_NAME "tty"
#endif
#include <sys/stat.h>
#ifdef Lynx
#ifndef BSDLY
#define BSDLY 0
#endif
#ifndef VTDLY
#define VTDLY 0
#endif
#ifndef FFDLY
#define FFDLY 0
#endif
#endif
#ifdef SYSV /* { */
#ifdef USE_USG_PTYS /* AT&T SYSV has no ptyio.h */
#include <sys/stropts.h> /* for I_PUSH */
#include <poll.h> /* for POLLIN */
#endif /* USE_USG_PTYS */
#define USE_SYSV_SIGNALS
#define USE_SYSV_PGRP
#if !defined(TIOCSWINSZ) || defined(__SCO__) || defined(__UNIXWARE__)
#define USE_SYSV_ENVVARS /* COLUMNS/LINES vs. TERMCAP */
#endif
/*
* now get system-specific includes
*/
#ifdef macII
#include <sys/ttychars.h>
#undef USE_SYSV_ENVVARS
#undef FIOCLEX
#undef FIONCLEX
#define setpgrp2 setpgrp
#include <sgtty.h>
#include <sys/resource.h>
#endif
#ifdef __hpux
#include <sys/ptyio.h>
#endif /* __hpux */
#ifdef __osf__
#undef USE_SYSV_PGRP
#define setpgrp setpgid
#endif
#ifdef __sgi
#include <sys/sysmacros.h>
#endif /* __sgi */
#ifdef sun
#include <sys/strredir.h>
#endif
#else /* } !SYSV { */ /* BSD systems */
#ifdef __QNX__
#ifndef __QNXNTO__
#define ttyslot() 1
#else
#define USE_SYSV_PGRP
extern __inline__
int
ttyslot(void)
{
return 1; /* yuk */
}
#endif
#else
#if defined(__INTERIX) || defined(__APPLE__)
#define setpgrp setpgid
#endif
#ifndef __linux__
#ifndef USE_POSIX_TERMIOS
#ifndef USE_ANY_SYSV_TERMIO
#include <sgtty.h>
#endif
#endif /* USE_POSIX_TERMIOS */
#ifdef Lynx
#include <resource.h>
#else
#include <sys/resource.h>
#endif
#endif /* !__linux__ */
#endif /* __QNX__ */
#endif /* } !SYSV */
/* Xpoll.h and <sys/param.h> on glibc 2.1 systems have colliding NBBY's */
#if defined(__GLIBC__) && ((__GLIBC__ > 2) || ((__GLIBC__ == 2) && (__GLIBC_MINOR__ >= 1)))
#ifndef NOFILE
#define NOFILE OPEN_MAX
#endif
#elif !(defined(WIN32) || defined(Lynx) || defined(__GNU__))
#include <sys/param.h> /* for NOFILE */
#endif
#if defined(BSD) && (BSD >= 199103)
#define WTMP
#endif
#include <stdio.h>
#include <math.h>
#ifdef __hpux
#include <sys/utsname.h>
#endif /* __hpux */
#if defined(apollo) && (OSMAJORVERSION == 10) && (OSMINORVERSION < 4)
#define ttyslot() 1
#endif /* apollo */
#if defined(UTMPX_FOR_UTMP)
#define UTMP_STR utmpx
#else
#define UTMP_STR utmp
#endif
#if defined(USE_UTEMPTER)
#include <utempter.h>
#if 1
#define UTEMPTER_ADD(pty,hostname,master_fd) utempter_add_record(master_fd, hostname)
#define UTEMPTER_DEL() utempter_remove_added_record ()
#else
#define UTEMPTER_ADD(pty,hostname,master_fd) addToUtmp(pty, hostname, master_fd)
#define UTEMPTER_DEL() removeFromUtmp()
#endif
#endif
#if defined(I_FIND) && defined(I_PUSH)
#define PUSH_FAILS(fd,name) ioctl(fd, I_FIND, name) == 0 \
&& ioctl(fd, I_PUSH, name) < 0
#else
#define PUSH_FAILS(fd,name) ioctl(fd, I_PUSH, name) < 0
#endif
#if defined(UTMPX_FOR_UTMP)
#include <utmpx.h>
#define call_endutent endutxent
#define call_getutid getutxid
#define call_pututline pututxline
#define call_setutent setutxent
#define call_updwtmp updwtmpx
#elif defined(HAVE_UTMP)
#include <utmp.h>
#if defined(_CRAY) && (OSMAJORVERSION < 8)
extern struct utmp *getutid __((struct utmp * _Id));
#endif
#define call_endutent endutent
#define call_getutid getutid
#define call_pututline pututline
#define call_setutent setutent
#define call_updwtmp updwtmp
#endif
#if defined(USE_LASTLOG) && defined(HAVE_LASTLOG_H)
#include <lastlog.h> /* caution: glibc includes utmp.h here */
#endif
#ifndef USE_LASTLOGX
#if defined(_NETBSD_SOURCE) && defined(_PATH_LASTLOGX)
#define USE_LASTLOGX 1
#endif
#endif
#ifdef PUCC_PTYD
#include <local/openpty.h>
#endif /* PUCC_PTYD */
#if defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
#include <util.h> /* openpty() */
#endif
#if defined(__FreeBSD__) || defined(__DragonFly__)
#include <libutil.h> /* openpty() */
#endif
#if !defined(UTMP_FILENAME)
#if defined(UTMP_FILE)
#define UTMP_FILENAME UTMP_FILE
#elif defined(_PATH_UTMP)
#define UTMP_FILENAME _PATH_UTMP
#else
#define UTMP_FILENAME "/etc/utmp"
#endif
#endif
#ifndef LASTLOG_FILENAME
#ifdef _PATH_LASTLOG
#define LASTLOG_FILENAME _PATH_LASTLOG
#else
#define LASTLOG_FILENAME "/usr/adm/lastlog" /* only on BSD systems */
#endif
#endif
#if !defined(WTMP_FILENAME)
#if defined(WTMP_FILE)
#define WTMP_FILENAME WTMP_FILE
#elif defined(_PATH_WTMP)
#define WTMP_FILENAME _PATH_WTMP
#elif defined(SYSV)
#define WTMP_FILENAME "/etc/wtmp"
#else
#define WTMP_FILENAME "/usr/adm/wtmp"
#endif
#endif
#include <signal.h>
#if defined(__SCO__) || (defined(ISC) && !defined(_POSIX_VERSION))
#undef SIGTSTP /* defined, but not the BSD way */
#endif
#ifdef SIGTSTP
#include <sys/wait.h>
#endif
#if defined(__SCO__) || defined(__UNIXWARE__)
#undef ECHOKE
#undef ECHOCTL
#endif
#if defined(HAVE_SYS_TTYDEFAULTS_H) && !defined(CEOF)
#include <sys/ttydefaults.h>
#endif
#ifdef X_NOT_POSIX
extern long lseek();
#if defined(USG) || defined(SVR4)
extern unsigned sleep();
#else
extern void sleep();
#endif
extern char *ttyname();
#endif
#if defined(SYSV) && defined(DECL_PTSNAME)
extern char *ptsname(int);
#endif
static void reapchild(int /* n */ );
static int spawnXTerm(XtermWidget /* xw */
,unsigned /* line_speed */ );
static void remove_termcap_entry(char *, const char *);
#ifdef USE_PTY_SEARCH
static int pty_search(int * /* pty */ );
#endif
static int get_pty(int *pty, char *from);
static void resize_termcap(XtermWidget xw);
static void set_owner(char *device, unsigned uid, unsigned gid, unsigned mode);
static Bool added_utmp_entry = False;
#ifdef HAVE_POSIX_SAVED_IDS
static uid_t save_euid;
static gid_t save_egid;
#endif
static uid_t save_ruid;
static gid_t save_rgid;
#if defined(USE_UTMP_SETGID)
static int really_get_pty(int *pty, char *from);
#endif
#if defined(USE_SYSV_UTMP) && !defined(USE_UTEMPTER)
static Bool xterm_exiting = False;
#endif
static char *explicit_shname = NULL;
/*
** Ordinarily it should be okay to omit the assignment in the following
** statement. Apparently the c89 compiler on AIX 4.1.3 has a bug, or does
** it? Without the assignment though the compiler will init command_to_exec
** to 0xffffffff instead of NULL; and subsequent usage, e.g. in spawnXTerm() to
** SEGV.
*/
static char **command_to_exec = NULL;
#if OPT_LUIT_PROG
static char **command_to_exec_with_luit = NULL;
static unsigned command_length_with_luit = 0;
#endif
/* choose a nice default value for speed - if we make it too low, users who
* mistakenly use $TERM set to vt100 will get padding delays. Setting it to a
* higher value is not useful since legacy applications (termcap) that care
* about padding generally store the code in a short, which does not have
* enough bits for the extended values.
*/
#ifdef B38400 /* everyone should define this */
#define VAL_LINE_SPEED B38400
#else /* ...but xterm's used this for a long time */
#define VAL_LINE_SPEED B9600
#endif
/*
* Allow use of system default characters if defined and reasonable.
* These are based on the BSD ttydefaults.h
*/
#ifndef CBRK
#define CBRK 0xff /* was 0 */
#endif
#ifndef CDISCARD
#define CDISCARD CONTROL('O')
#endif
#ifndef CDSUSP
#define CDSUSP CONTROL('Y')
#endif
#ifndef CEOF
#define CEOF CONTROL('D')
#endif
#ifndef CEOL
#define CEOL 0xff /* was 0 */
#endif
#ifndef CERASE
#define CERASE 0177
#endif
#ifndef CERASE2
#define CERASE2 CONTROL('H')
#endif
#ifndef CFLUSH
#define CFLUSH CONTROL('O')
#endif
#ifndef CINTR
#define CINTR CONTROL('C')
#endif
#ifndef CKILL
#define CKILL CONTROL('U') /* was '@' */
#endif
#ifndef CLNEXT
#define CLNEXT CONTROL('V')
#endif
#ifndef CNUL
#define CNUL 0
#endif
#ifndef CQUIT
#define CQUIT CONTROL('\\')
#endif
#ifndef CRPRNT
#define CRPRNT CONTROL('R')
#endif
#ifndef CREPRINT
#define CREPRINT CRPRNT
#endif
#ifndef CSTART
#define CSTART CONTROL('Q')
#endif
#ifndef CSTATUS
#define CSTATUS CONTROL('T')
#endif
#ifndef CSTOP
#define CSTOP CONTROL('S')
#endif
#ifndef CSUSP
#define CSUSP CONTROL('Z')
#endif
#ifndef CSWTCH
#define CSWTCH 0
#endif
#ifndef CWERASE
#define CWERASE CONTROL('W')
#endif
#ifdef TERMIO_STRUCT
/* The following structures are initialized in main() in order
** to eliminate any assumptions about the internal order of their
** contents.
*/
static TERMIO_STRUCT d_tio;
#ifndef ONLCR
#define ONLCR 0
#endif
#ifndef OPOST
#define OPOST 0
#endif
#define D_TIO_FLAGS (OPOST | ONLCR)
#ifdef HAS_LTCHARS
static struct ltchars d_ltc;
#endif /* HAS_LTCHARS */
#ifdef TIOCLSET
static unsigned int d_lmode;
#endif /* TIOCLSET */
#else /* !TERMIO_STRUCT */
#define D_SG_FLAGS (EVENP | ODDP | ECHO | CRMOD)
static struct sgttyb d_sg =
{
0, 0, 0177, CKILL, (D_SG_FLAGS | XTABS)
};
static struct tchars d_tc =
{
CINTR, CQUIT, CSTART,
CSTOP, CEOF, CBRK
};
static struct ltchars d_ltc =
{
CSUSP, CDSUSP, CRPRNT,
CFLUSH, CWERASE, CLNEXT
};
static int d_disipline = NTTYDISC;
static long int d_lmode = LCRTBS | LCRTERA | LCRTKIL | LCTLECH;
#ifdef sony
static long int d_jmode = KM_SYSSJIS | KM_ASCII;
static struct jtchars d_jtc =
{
'J', 'B'
};
#endif /* sony */
#endif /* TERMIO_STRUCT */
/*
* SYSV has the termio.c_cc[V] and ltchars; BSD has tchars and ltchars;
* SVR4 has only termio.c_cc, but it includes everything from ltchars.
* POSIX termios has termios.c_cc, which is similar to SVR4.
*/
#define TTYMODE(name) { name, sizeof(name)-1, 0, 0 }
static Boolean override_tty_modes = False;
/* *INDENT-OFF* */
static struct {
const char *name;
size_t len;
int set;
int value;
} ttyModes[] = {
TTYMODE("intr"), /* tchars.t_intrc ; VINTR */
#define XTTYMODE_intr 0
TTYMODE("quit"), /* tchars.t_quitc ; VQUIT */
#define XTTYMODE_quit 1
TTYMODE("erase"), /* sgttyb.sg_erase ; VERASE */
#define XTTYMODE_erase 2
TTYMODE("kill"), /* sgttyb.sg_kill ; VKILL */
#define XTTYMODE_kill 3
TTYMODE("eof"), /* tchars.t_eofc ; VEOF */
#define XTTYMODE_eof 4
TTYMODE("eol"), /* VEOL */
#define XTTYMODE_eol 5
TTYMODE("swtch"), /* VSWTCH */
#define XTTYMODE_swtch 6
TTYMODE("start"), /* tchars.t_startc ; VSTART */
#define XTTYMODE_start 7
TTYMODE("stop"), /* tchars.t_stopc ; VSTOP */
#define XTTYMODE_stop 8
TTYMODE("brk"), /* tchars.t_brkc */
#define XTTYMODE_brk 9
TTYMODE("susp"), /* ltchars.t_suspc ; VSUSP */
#define XTTYMODE_susp 10
TTYMODE("dsusp"), /* ltchars.t_dsuspc ; VDSUSP */
#define XTTYMODE_dsusp 11
TTYMODE("rprnt"), /* ltchars.t_rprntc ; VREPRINT */
#define XTTYMODE_rprnt 12
TTYMODE("flush"), /* ltchars.t_flushc ; VDISCARD */
#define XTTYMODE_flush 13
TTYMODE("weras"), /* ltchars.t_werasc ; VWERASE */
#define XTTYMODE_weras 14
TTYMODE("lnext"), /* ltchars.t_lnextc ; VLNEXT */
#define XTTYMODE_lnext 15
TTYMODE("status"), /* VSTATUS */
#define XTTYMODE_status 16
TTYMODE("erase2"), /* VERASE2 */
#define XTTYMODE_erase2 17
TTYMODE("eol2"), /* VEOL2 */
#define XTTYMODE_eol2 18
TTYMODE("tabs"), /* TAB0 */
#define XTTYMODE_tabs 19
TTYMODE("-tabs"), /* TAB3 */
#define XTTYMODE__tabs 20
};
#ifndef TAB0
#define TAB0 0
#endif
#ifndef TAB3
#if defined(OXTABS)
#define TAB3 OXTABS
#elif defined(XTABS)
#define TAB3 XTABS
#endif
#endif
#ifndef TABDLY
#define TABDLY (TAB0|TAB3)
#endif
#define isTtyMode(p,q) (ttyChars[p].myMode == q && ttyModes[q].set)
#define isTabMode(n) \
(isTtyMode(n, XTTYMODE_tabs) || \
isTtyMode(n, XTTYMODE__tabs))
#define TMODE(ind,var) \
if (ttyModes[ind].set) \
var = (cc_t) ttyModes[ind].value
#define validTtyChar(data, n) \
(ttyChars[n].sysMode >= 0 && \
ttyChars[n].sysMode < (int) XtNumber(data.c_cc))
static const struct {
int sysMode;
int myMode;
int myDefault;
} ttyChars[] = {
#ifdef VINTR
{ VINTR, XTTYMODE_intr, CINTR },
#endif
#ifdef VQUIT
{ VQUIT, XTTYMODE_quit, CQUIT },
#endif
#ifdef VERASE
{ VERASE, XTTYMODE_erase, CERASE },
#endif
#ifdef VKILL
{ VKILL, XTTYMODE_kill, CKILL },
#endif
#ifdef VEOF
{ VEOF, XTTYMODE_eof, CEOF },
#endif
#ifdef VEOL
{ VEOL, XTTYMODE_eol, CEOL },
#endif
#ifdef VSWTCH
{ VSWTCH, XTTYMODE_swtch, CNUL },
#endif
#ifdef VSTART
{ VSTART, XTTYMODE_start, CSTART },
#endif
#ifdef VSTOP
{ VSTOP, XTTYMODE_stop, CSTOP },
#endif
#ifdef VSUSP
{ VSUSP, XTTYMODE_susp, CSUSP },
#endif
#ifdef VDSUSP
{ VDSUSP, XTTYMODE_dsusp, CDSUSP },
#endif
#ifdef VREPRINT
{ VREPRINT, XTTYMODE_rprnt, CREPRINT },
#endif
#ifdef VDISCARD
{ VDISCARD, XTTYMODE_flush, CDISCARD },
#endif
#ifdef VWERASE
{ VWERASE, XTTYMODE_weras, CWERASE },
#endif
#ifdef VLNEXT
{ VLNEXT, XTTYMODE_lnext, CLNEXT },
#endif
#ifdef VSTATUS
{ VSTATUS, XTTYMODE_status, CSTATUS },
#endif
#ifdef VERASE2
{ VERASE2, XTTYMODE_erase2, CERASE2 },
#endif
#ifdef VEOL2
{ VEOL2, XTTYMODE_eol2, CNUL },
#endif
{ -1, XTTYMODE_tabs, TAB0 },
{ -1, XTTYMODE__tabs, TAB3 },
};
/* *INDENT-ON* */
static int parse_tty_modes(char *s);
#ifndef USE_UTEMPTER
#ifdef USE_SYSV_UTMP
#if (defined(AIXV3) && (OSMAJORVERSION < 4)) && !(defined(getutid))
extern struct utmp *getutid();
#endif /* AIXV3 */
#else /* not USE_SYSV_UTMP */
static char etc_utmp[] = UTMP_FILENAME;
#endif /* USE_SYSV_UTMP */
#if defined(USE_LASTLOG) && defined(USE_STRUCT_LASTLOG)
static char etc_lastlog[] = LASTLOG_FILENAME;
#else
#undef USE_LASTLOG
#endif
#ifdef WTMP
static char etc_wtmp[] = WTMP_FILENAME;
#endif
#endif /* !USE_UTEMPTER */
/*
* Some people with 4.3bsd /bin/login seem to like to use login -p -f user
* to implement xterm -ls. They can turn on USE_LOGIN_DASH_P and turn off
* WTMP and USE_LASTLOG.
*/
#ifdef USE_LOGIN_DASH_P
#ifndef LOGIN_FILENAME
#define LOGIN_FILENAME "/bin/login"
#endif
static char bin_login[] = LOGIN_FILENAME;
#endif
static char noPassedPty[2];
static char *passedPty = noPassedPty; /* name if pty if slave */
#if defined(TIOCCONS) || defined(SRIOCSREDIR)
static int Console;
#include <X11/Xmu/SysUtil.h> /* XmuGetHostname */
#define MIT_CONSOLE_LEN 12
#define MIT_CONSOLE "MIT_CONSOLE_"
static char mit_console_name[255 + MIT_CONSOLE_LEN + 1] = MIT_CONSOLE;
static Atom mit_console;
#endif /* TIOCCONS */
#ifndef USE_SYSV_UTMP
static int tslot;
#endif /* USE_SYSV_UTMP */
static sigjmp_buf env;
#define SetUtmpHost(dst, screen) \
{ \
char host[sizeof(dst) + 1]; \
strncpy(host, DisplayString(screen->display), sizeof(host) - 1); \
host[sizeof(dst)] = '\0'; \
TRACE(("DisplayString(%s)\n", host)); \
if (!resource.utmpDisplayId) { \
char *endptr = strrchr(host, ':'); \
if (endptr) { \
TRACE(("trimming display-id '%s'\n", host)); \
*endptr = '\0'; \
} \
} \
copy_filled(dst, host, sizeof(dst)); \
}
#ifdef HAVE_UTMP_UT_SYSLEN
# define SetUtmpSysLen(utmp) \
{ \
utmp.ut_host[sizeof(utmp.ut_host)-1] = '\0'; \
utmp.ut_syslen = (short) ((int) strlen(utmp.ut_host) + 1); \
}
#endif
/* used by VT (charproc.c) */
static XtResource application_resources[] =
{
Sres(XtNiconGeometry, XtCIconGeometry, icon_geometry, NULL),
Sres(XtNtitle, XtCTitle, title, NULL),
Sres(XtNiconHint, XtCIconHint, icon_hint, NULL),
Sres(XtNiconName, XtCIconName, icon_name, NULL),
Sres(XtNtermName, XtCTermName, term_name, NULL),
Sres(XtNttyModes, XtCTtyModes, tty_modes, NULL),
Sres(XtNvalidShells, XtCValidShells, valid_shells, NULL),
Bres(XtNhold, XtCHold, hold_screen, False),
Bres(XtNutmpInhibit, XtCUtmpInhibit, utmpInhibit, False),
Bres(XtNutmpDisplayId, XtCUtmpDisplayId, utmpDisplayId, True),
Bres(XtNmessages, XtCMessages, messages, True),
Ires(XtNminBufSize, XtCMinBufSize, minBufSize, 4096),
Ires(XtNmaxBufSize, XtCMaxBufSize, maxBufSize, 32768),
Sres(XtNmenuLocale, XtCMenuLocale, menuLocale, DEF_MENU_LOCALE),
Bres(XtNnotMapped, XtCNotMapped, notMapped, False),
Sres(XtNomitTranslation, XtCOmitTranslation, omitTranslation, NULL),
Sres(XtNkeyboardType, XtCKeyboardType, keyboardType, "unknown"),
#ifdef HAVE_LIB_XCURSOR
Sres(XtNcursorTheme, XtCCursorTheme, cursorTheme, "none"),
#endif
#if OPT_PRINT_ON_EXIT
Ires(XtNprintModeImmediate, XtCPrintModeImmediate, printModeNow, 0),
Ires(XtNprintOptsImmediate, XtCPrintOptsImmediate, printOptsNow, 9),
Sres(XtNprintFileImmediate, XtCPrintFileImmediate, printFileNow, NULL),
Ires(XtNprintModeOnXError, XtCPrintModeOnXError, printModeOnXError, 0),
Ires(XtNprintOptsOnXError, XtCPrintOptsOnXError, printOptsOnXError, 9),
Sres(XtNprintFileOnXError, XtCPrintFileOnXError, printFileOnXError, NULL),
#endif
#if OPT_SUNPC_KBD
Bres(XtNsunKeyboard, XtCSunKeyboard, sunKeyboard, False),
#endif
#if OPT_HP_FUNC_KEYS
Bres(XtNhpFunctionKeys, XtCHpFunctionKeys, hpFunctionKeys, False),
#endif
#if OPT_SCO_FUNC_KEYS
Bres(XtNscoFunctionKeys, XtCScoFunctionKeys, scoFunctionKeys, False),
#endif
#if OPT_SUN_FUNC_KEYS
Bres(XtNsunFunctionKeys, XtCSunFunctionKeys, sunFunctionKeys, False),
#endif
#if OPT_TCAP_FKEYS
Bres(XtNtcapFunctionKeys, XtCTcapFunctionKeys, termcapKeys, False),
#endif
#if OPT_INITIAL_ERASE
Bres(XtNptyInitialErase, XtCPtyInitialErase, ptyInitialErase, DEF_INITIAL_ERASE),
Bres(XtNbackarrowKeyIsErase, XtCBackarrowKeyIsErase, backarrow_is_erase, DEF_BACKARO_ERASE),
#endif
Bres(XtNuseInsertMode, XtCUseInsertMode, useInsertMode, False),
#if OPT_ZICONBEEP
Ires(XtNzIconBeep, XtCZIconBeep, zIconBeep, 0),
Sres(XtNzIconTitleFormat, XtCZIconTitleFormat, zIconFormat, "*** %s"),
#endif
#if OPT_PTY_HANDSHAKE
Bres(XtNwaitForMap, XtCWaitForMap, wait_for_map, False),
Bres(XtNptyHandshake, XtCPtyHandshake, ptyHandshake, True),
Bres(XtNptySttySize, XtCPtySttySize, ptySttySize, DEF_PTY_STTY_SIZE),
#endif
#if OPT_REPORT_CCLASS
Bres(XtNreportCClass, XtCReportCClass, reportCClass, False),
#endif
#if OPT_REPORT_COLORS
Bres(XtNreportColors, XtCReportColors, reportColors, False),
#endif
#if OPT_REPORT_FONTS
Bres(XtNreportFonts, XtCReportFonts, reportFonts, False),
#endif
#if OPT_REPORT_ICONS
Bres(XtNreportIcons, XtCReportIcons, reportIcons, False),
#endif
#if OPT_XRES_QUERY
Bres(XtNreportXRes, XtCReportXRes, reportXRes, False),
#endif
#if OPT_SAME_NAME
Bres(XtNsameName, XtCSameName, sameName, True),
#endif
#if OPT_SESSION_MGT
Bres(XtNsessionMgt, XtCSessionMgt, sessionMgt, True),
#endif
#if OPT_TOOLBAR
Bres(XtNtoolBar, XtCToolBar, toolBar, True),
#endif
#if OPT_MAXIMIZE
Bres(XtNmaximized, XtCMaximized, maximized, False),
Sres(XtNfullscreen, XtCFullscreen, fullscreen_s, "off"),
#endif
#if USE_DOUBLE_BUFFER
Bres(XtNbuffered, XtCBuffered, buffered, DEF_DOUBLE_BUFFER),
Ires(XtNbufferedFPS, XtCBufferedFPS, buffered_fps, 40),
#endif
};
static String fallback_resources[] =
{
#if OPT_TOOLBAR
"*toolBar: false",
#endif
"*SimpleMenu*menuLabel.vertSpace: 100",
"*SimpleMenu*HorizontalMargins: 16",
"*SimpleMenu*Sme.height: 16",
"*SimpleMenu*Cursor: left_ptr",
"*mainMenu.Label: Main Options (no app-defaults)",
"*vtMenu.Label: VT Options (no app-defaults)",
"*fontMenu.Label: VT Fonts (no app-defaults)",
#if OPT_TEK4014
"*tekMenu.Label: Tek Options (no app-defaults)",
#endif
NULL
};
/* Command line options table. Only resources are entered here...there is a
pass over the remaining options after XrmParseCommand is let loose. */
/* *INDENT-OFF* */
#define DATA(option,pattern,type,value) { (char *) option, (char *) pattern, type, (XPointer) value }
#define OPTS(option,pattern_type,value) { (char *) option, (char *) pattern_type, (XPointer) value }
#define UP_ARG(name) "."name, XrmoptionSepArg
#define MY_ARG(name) "*"name, XrmoptionSepArg
#define VT_ARG(name) "*vt100."name, XrmoptionSepArg
#define NO_ARG(name) "*"name, XrmoptionNoArg
static XrmOptionDescRec optionDescList[] = {
OPTS("-geometry", VT_ARG(XtNgeometry), NULL),
OPTS("-132", NO_ARG(XtNc132), "on"),
OPTS("+132", NO_ARG(XtNc132), "off"),
OPTS("-ah", NO_ARG(XtNalwaysHighlight), "on"),
OPTS("+ah", NO_ARG(XtNalwaysHighlight), "off"),
OPTS("-aw", NO_ARG(XtNautoWrap), "on"),
OPTS("+aw", NO_ARG(XtNautoWrap), "off"),