/* Copyright (c) 1993-2000 * Juergen Weigert (jnweiger@immd4.informatik.uni-erlangen.de) * Michael Schroeder (mlschroe@immd4.informatik.uni-erlangen.de) * Copyright (c) 1987 Oliver Laumann * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3, or (at your option) * any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program (see the file COPYING); if not, see * https://www.gnu.org/licenses/, or contact Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA * **************************************************************** * $Id$ GNU */ /********************************************************************** * * User Configuration Section */ /* * Maximum of simultaneously allowed windows per screen session. */ #ifndef MAXWIN # define MAXWIN 100 #endif /* * Define SOCKDIR to be the directory to contain the named sockets * screen creates. This should be in a common subdirectory, such as * /usr/local or /tmp. It makes things a little more secure if you * choose a directory which is not writable by everyone or where the * "sticky" bit is on, but this isn't required. * If SOCKDIR is not defined screen will put the named sockets in * the user's home directory. Notice that this can cause you problems * if some user's HOME directories are AFS- or NFS-mounted. Especially * AFS is unlikely to support named sockets. * * Screen will name the subdirectories "S-$USER" (e.g /tmp/S-davison). */ #undef SOCKDIR /* * Define this if the SOCKDIR is not shared between hosts. */ #define SOCKDIR_IS_LOCAL_TO_HOST /* * Screen can look for the environment variable $SYSSCREENRC and -if it * exists- load the file specified in that variable as global screenrc. * If you want to enable this feature, define ALLOW_SYSSCREENRC to one (1). * Otherwise ETCSCREENRC is always loaded. */ #define ALLOW_SYSSCREENRC 1 /* * Define CHECKLOGIN to force Screen users to enter their Unix password * in addition to the screen password. * * Define NOSYSLOG if yo do not have logging facilities. Currently * syslog() will be used to trace ``su'' commands only. */ #define CHECKLOGIN 1 #undef NOSYSLOG /* * define PTYMODE if you do not like the default of 0622, which allows * public write to your pty. * define PTYGROUP to some numerical group-id if you do not want the * tty to be in "your" group. * Note, screen is unable to change mode or group of the pty if it * is not installed with sufficient privilege. (e.g. set-uid-root) * define PTYROFS if the /dev/pty devices are mounted on a read-only * filesystem so screen should not even attempt to set mode or group * even if running as root (e.g. on TiVo). */ #undef PTYMODE #undef PTYGROUP #undef PTYROFS /* * If screen is NOT installed set-uid root, screen can provide tty * security by exclusively locking the ptys. While this keeps other * users from opening your ptys, it also keeps your own subprocesses * from being able to open /dev/tty. Define LOCKPTY to add this * exclusive locking. */ #undef LOCKPTY /* * If you'd rather see the status line on the first line of your * terminal rather than the last, define TOPSTAT. */ #undef TOPSTAT /* * define DETACH can detach a session. An absolute 'must'. */ #define DETACH /* * here come the erlangen extensions to screen: * define LOCK if you want to use a lock program for a screenlock. * define PASSWORD for secure reattach of your screen. * define COPY_PASTE to use the famous hacker's treasure zoo. * define POW_DETACH to have a detach_and_logout key (requires DETACH). * define REMOTE_DETACH (-d option) to move screen between terminals. * define AUTO_NUKE to enable Tim MacKenzies clear screen nuking * define PSEUDOS to allow window input/output filtering * define MULTI to allow multiple attaches. * define MULTIUSER to allow other users attach to your session * (if they are in the acl, of course) * define MAPKEYS to include input keyboard translation. * define FONT to support ISO2022/alternet charset support * define COLOR to include ansi color support. This may expose * a bug in x11r6-color-xterm. * define DW_CHARS to include support for double-width character * sets. * define ENCODINGS to include support for encodings like euc or big5. * Needs FONT to work. * define UTF8 if you want support for UTF-8 encoding. * Needs FONT and ENCODINGS to work. * define COLORS16 if you want 16 colors. * Needs COLOR to work. * define BUILTIN_TELNET to add telnet support to screen. * Syntax: screen //telnet host [port] * define RXVT_OSC if you want support for rxvts special * change fgcolor/bgcolor/bgpicture sequences */ #undef SIMPLESCREEN #ifndef SIMPLESCREEN # define LOCK # define PASSWORD # define COPY_PASTE # define REMOTE_DETACH # define POW_DETACH # define AUTO_NUKE # define PSEUDOS # define MULTI # define MULTIUSER # define MAPKEYS # define COLOR # define FONT # define DW_CHARS # define ENCODINGS # define UTF8 # define COLORS16 # define ZMODEM # define BLANKER_PRG #endif /* SIMPLESCREEN */ #undef BUILTIN_TELNET #undef RXVT_OSC #undef COLORS256 /* * If you have a braille display you should define HAVE_BRAILLE. * The code inside #ifdef HAVE_BRAILLE was contributed by Hadi Bargi * Rangin (bargi@dots.physics.orst.edu). * WARNING: this is more or less unsupported code, it may be full of * bugs leading to security holes, enable at your own risk! */ #undef HAVE_BRAILLE /* * As error messages are mostly meaningless to the user, we * try to throw out phrases that are somewhat more familiar * to ...well, at least familiar to us NetHack players. */ #ifndef NONETHACK # define NETHACK #endif /* NONETHACK */ /* * If screen is installed with permissions to update /etc/utmp (such * as if it is installed set-uid root), define UTMPOK. */ #define UTMPOK /* Set LOGINDEFAULT to one (1) * if you want entries added to /etc/utmp by default, else set it to * zero (0). * LOGINDEFAULT will be one (1) whenever LOGOUTOK is undefined! */ #define LOGINDEFAULT 1 /* Set LOGOUTOK to one (1) * if you want the user to be able to log her/his windows out. * (Meaning: They are there, but not visible in /etc/utmp). * Disabling this feature only makes sense if you have a secure /etc/utmp * database. * Negative examples: suns usually have a world writable utmp file, * xterm will run perfectly without s-bit. * * If LOGOUTOK is undefined and UTMPOK is defined, all windows are * initially and permanently logged in. * * Set CAREFULUTMP to one (1) if you want that users have at least one * window per screen session logged in. */ #define LOGOUTOK 1 #undef CAREFULUTMP /* * If UTMPOK is defined and your system (incorrectly) counts logins by * counting non-null entries in /etc/utmp (instead of counting non-null * entries with no hostname that are not on a pseudo tty), define USRLIMIT * to have screen put an upper-limit on the number of entries to write * into /etc/utmp. This helps to keep you from exceeding a limited-user * license. */ #undef USRLIMIT /* * both must be defined if you want to favor tcsendbreak over * other calls to generate a break condition on serial lines. * (Do not bother, if you are not using plain tty windows.) */ #define POSIX_HAS_A_GOOD_TCSENDBREAK #define SUNOS4_AND_WE_TRUST_TCSENDBREAK /* * to lower the interrupt load on the host machine, you may want to * adjust the VMIN and VTIME settings used for plain tty windows. * See the termio(4) manual page (Non-Canonical Mode Input Processing) * for details. * if undefined, VMIN=1, VTIME=0 is used as a default - this gives you * best user responsiveness, but highest interrupt frequency. * (Do not bother, if you are not using plain tty windows.) */ #define TTYVMIN 100 #define TTYVTIME 2 /* * looks like the above values are ignored by setting FNDELAY. * This is default for all pty/ttys, you may disable it for * ttys here. After playing with it for a while, one may find out * that this feature may cause screen to lock up. */ #ifdef bsdi # define TTY_DISABLE_FNBLOCK /* select barfs without it ... */ #endif /* * Some terminals, e.g. Wyse 120, use a bitfield to select attributes. * This doesn't work with the standard so/ul/m? terminal entries, * because they will cancel each other out. * On TERMINFO machines, "sa" (sgr) may work. If you want screen * to switch attributes only with sgr, define USE_SGR. * This is *not* recomended, do this only if you must. */ #undef USE_SGR /* * Define USE_LOCALE if you want screen to use the locale names * for the name of the month and day of the week. */ #undef USE_LOCALE /* * Define USE_PAM if your system supports PAM (Pluggable Authentication * Modules) and you want screen to use it instead of calling crypt(). * (You may also need to add -lpam to LIBS in the Makefile.) */ #undef USE_PAM /* * Define CHECK_SCREEN_W if you want screen to set TERM to screen-w * if the terminal width is greater than 131 columns. No longer needed * on modern systems which use $COLUMNS or the tty settings instead. */ #undef CHECK_SCREEN_W /********************************************************************** * * End of User Configuration Section * * Rest of this file is modified by 'configure' * Change at your own risk! * */ /* * Some defines to identify special unix variants */ #ifndef SVR4 #undef SVR4 #endif /* #ifndef __osf__ */ #ifndef MIPS #undef MIPS #endif /* #endif */ #ifndef OSX #undef OSX #endif #ifndef ISC #undef ISC #endif #ifndef sysV68 #undef sysV68 #endif #ifndef _POSIX_SOURCE #undef _POSIX_SOURCE #endif /* * Define POSIX if your system supports IEEE Std 1003.1-1988 (POSIX). */ #undef POSIX /* * Define BSDJOBS if you have BSD-style job control (both process * groups and a tty that deals correctly with them). */ #undef BSDJOBS /* * Define TERMIO if you have struct termio instead of struct sgttyb. * This is usually the case for SVID systems, where BSD uses sgttyb. * POSIX systems should define this anyway, even though they use * struct termios. */ #undef TERMIO /* * Define CYTERMIO if you have cyrillic termio modes. */ #undef CYTERMIO /* * Define TERMINFO if your machine emulates the termcap routines * with the terminfo database. * Thus the .screenrc file is parsed for * the command 'terminfo' and not 'termcap'. */ #undef TERMINFO /* * If your library does not define ospeed, define this. */ #undef NEED_OSPEED /* * Define SYSV if your machine is SYSV complient (Sys V, HPUX, A/UX) */ #ifndef SYSV #undef SYSV #endif /* * Define SIGVOID if your signal handlers return void. On older * systems, signal returns int, but on newer ones, it returns void. */ #undef SIGVOID /* * Define USESIGSET if you have sigset for BSD 4.1 reliable signals. */ #undef USESIGSET /* * Define SYSVSIGS if signal handlers must be reinstalled after * they have been called. */ #undef SYSVSIGS /* * Define BSDWAIT if your system defines a 'union wait' in * * Only allow BSDWAIT i.e. wait3 on nonposix systems, since * posix implies wait(3) and waitpid(3). vdlinden@fwi.uva.nl * */ #ifndef POSIX #undef BSDWAIT #endif /* * On RISCOS we prefer wait2() over wait3(). rouilj@sni-usa.com */ #ifdef BSDWAIT #undef USE_WAIT2 #endif /* * If your system has getutent(), pututline(), etc. to write to the * utmp file, define GETUTENT. */ #undef GETUTENT /* * Define UTHOST if the utmp file has a host field. */ #undef UTHOST /* * Define if you have the utempter utmp helper program */ #undef HAVE_UTEMPTER /* * If ttyslot() breaks getlogin() by returning indexes to utmp entries * of type DEAD_PROCESS, then our getlogin() replacement should be * selected by defining BUGGYGETLOGIN. */ #undef BUGGYGETLOGIN /* * If your system has the calls setreuid() and setregid(), * define HAVE_SETREUID. Otherwise screen will use a forked process to * safely create output files without retaining any special privileges. */ #undef HAVE_SETRESUID #undef HAVE_SETREUID /* * If your system supports BSD4.4's seteuid() and setegid(), define * HAVE_SETEUID. */ #undef HAVE_SETEUID /* * execvpe is now defined in some systems. */ #undef HAVE_EXECVPE /* * If you want the "time" command to display the current load average * define LOADAV. Maybe you must install screen with the needed * privileges to read /dev/kmem. * Note that NLIST_ stuff is only checked, when getloadavg() is not available. */ #undef LOADAV #undef LOADAV_NUM #undef LOADAV_TYPE #undef LOADAV_SCALE #undef LOADAV_GETLOADAVG #undef LOADAV_UNIX #undef LOADAV_AVENRUN #undef LOADAV_USE_NLIST64 #undef NLIST_DECLARED #undef NLIST_STRUCT #undef NLIST_NAME_UNION /* * If your system has the new format /etc/ttys (like 4.3 BSD) and the * getttyent(3) library functions, define GETTTYENT. */ #undef GETTTYENT /* * Define USEBCOPY if the bcopy/memcpy from your system's C library * supports the overlapping of source and destination blocks. When * undefined, screen uses its own (probably slower) version of bcopy(). * * SYSV machines may have a working memcpy() -- Oh, this is * quite unlikely. Tell me if you see one. * "But then, memmove() should work, if at all available" he thought... * Boing, never say "works everywhere" unless you checked SCO UNIX. * Their memove fails the test in the configure script. Sigh. (Juergen) */ #undef USEBCOPY #undef USEMEMCPY #undef USEMEMMOVE /* * If your system has vsprintf() and requires the use of the macros in * "varargs.h" to use functions with variable arguments, * define USEVARARGS. */ #undef USEVARARGS /* * If the select return value doesn't treat a descriptor that is * usable for reading and writing as two hits, define SELECT_BROKEN. */ #undef SELECT_BROKEN /* * Define this if your system exits select() immediatly if a pipe is * opened read-only and no writer has opened it. */ #undef BROKEN_PIPE /* * Define this if the unix-domain socket implementation doesn't * create a socket in the filesystem. */ #undef SOCK_NOT_IN_FS /* * If your system has setenv() and unsetenv() define USESETENV */ #undef USESETENV /* * If setenv() takes 3 arguments define HAVE_SETENV_3 */ #undef HAVE_SETENV_3 /* * If setenv() takes 2 arguments define HAVE_SETENV_2 */ #undef HAVE_SETENV_2 /* * If your system does not come with a setenv()/putenv()/getenv() * functions, you may bring in our own code by defining NEEDPUTENV. */ #undef NEEDPUTENV /* * If the passwords are stored in a shadow file and you want the * builtin lock to work properly, define SHADOWPW. */ #undef SHADOWPW /* * define HAVE_NL_LANGINFO if your system has the nl_langinfo() call * and defines CODESET. */ #undef HAVE_NL_LANGINFO /* * Newer versions of Solaris include fdwalk, which can greatly improve * the startup time of screen; otherwise screen spends a lot of time * closing file descriptors. */ #undef HAVE_FDWALK /* * define HAVE_DEV_PTC if you have a /dev/ptc character special * device. */ #undef HAVE_DEV_PTC /* * define HAVE_SVR4_PTYS if you have a /dev/ptmx character special * device and support the ptsname(), grantpt(), unlockpt() functions. */ #undef HAVE_SVR4_PTYS /* * define PTYRANGE0 and or PTYRANGE1 if you want to adapt screen * to unusual environments. E.g. For SunOs the defaults are "qpr" and * "0123456789abcdef". For SunOs 4.1.2 * #define PTYRANGE0 "pqrstuvwxyzPQRST" * is recommended by Dan Jacobson. */ #undef PTYRANGE0 #undef PTYRANGE1