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srogue: prevent overflowing the score file name. If SCOREFILE is not defined, roguehome() is called to find a directory for the score file. It copies up to PATH_MAX-20 bytes from an environment variable to a static buffer. Later these are strcpy()'d to scorefile, which is of size LINLEN. Unfortunately LINLEN is 80 and PATH_MAX is at least 256. On Linux, it happens to be 4096. I haven't yet managed to crash or exploit it, but there are surely no beneficial consequences, so roguehome() has been modified to check the length, and the string it returns is also checked in main().
author John "Elwin" Edwards
date Sun, 02 Aug 2015 12:14:47 -0400
parents 2d221d574280
children 4d0f53998e8a
line wrap: on
line source

#   XRogue: Expeditions into the Dungeons of Doom
#   Copyright (C) 1991 Robert Pietkivitch
#   All rights reserved.
#
#   Based on "Advanced Rogue"
#   Copyright (C) 1984, 1985 Michael Morgan, Ken Dalka and AT&T
#   All rights reserved.
#
#   Based on "Rogue: Exploring the Dungeons of Doom"
#   Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
#   All rights reserved.
#
#   See the file LICENSE.TXT for full copyright and licensing information.

DISTNAME=@PACKAGE_TARNAME@@PACKAGE_VERSION@
PROGRAM=@PROGRAM@
PACKAGE_TARNAME=@PACKAGE_TARNAME@-@PACKAGE_VERSION@

SAVEDIR=@SAVEDIR@
SCOREFILE=@SCOREFILE@
LOGFILE=@LOGFILE@
GROUPOWNER=@GROUPOWNER@

DESTDIR=
prefix=@prefix@
exec_prefix=@exec_prefix@
datarootdir=@datarootdir@
bindir=@bindir@
docdir=@docdir@

O=o

HDRS  =	rogue.h mach_dep.h network.h

OBJS1 =	vers.$(O) actions.$(O) bolt.$(O) chase.$(O) command.$(O) daemon.$(O) \
        daemons.$(O) eat.$(O) effects.$(O) fight.$(O) encumb.$(O) help.$(O) \
        init.$(O) io.$(O) list.$(O) main.$(O) maze.$(O) misc.$(O) monsters.$(O)
OBJS2 = mons_def.$(O) move.$(O) n_level.$(O) options.$(O) outside.$(O) pack.$(O) \
        passages.$(O) player.$(O) potions.$(O) rings.$(O) rip.$(O) rooms.$(O) \
        save.$(O) scrolls.$(O) sticks.$(O) things.$(O) trader.$(O) util.$(O) \
        weapons.$(O) wear.$(O) wizard.$(O) rogue.$(O) state.$(O) xcrypt.$(O)
OBJS  = $(OBJS1) $(OBJS2)

CFILES=	vers.c actions.c bolt.c chase.c command.c daemon.c daemons.c eat.c \
	effects.c fight.c encumb.c help.c init.c io.c list.c main.c maze.c \
	misc.c monsters.c mons_def.c move.c n_level.c options.c outside.c \
	pack.c passages.c player.c potions.c rings.c rip.c rooms.c save.c \
	scrolls.c sticks.c things.c trader.c util.c weapons.c wear.c wizard.c \
	rogue.c state.c xcrypt.c

MISC  = Makefile README.TXT LICENSE.TXT $(PROGRAM).sln $(PROGRAM).vcproj

CC    = gcc
CPPFLAGS =@DEFS@
CFLAGS=
LIBS  = @LIBS@
RM    = rm -f
TAR   = tar 
INSTALL=@INSTALL@
.SUFFIXES: .obj

.c.obj:
	$(CC) $(CFLAGS) /c $*.c

$(PROGRAM): $(HDRS) $(OBJS)
	$(CC) $(CFLAGS) $(LDFLAGS) $(OBJS) $(LIBS) -o $@

install: $(PROGRAM)
	-touch test
	-if test ! -f $(DESTDIR)$(SCOREFILE) ; \
	 then $(INSTALL) -m 0664 test $(DESTDIR)$(SCOREFILE) ; fi
	-if test "x$(LOGFILE)" != "x" && test ! -f $(DESTDIR)$(LOGFILE) ; then \
	$(INSTALL) -m 0664 test $(DESTDIR)$(LOGFILE) ; fi
	-if test "x$(SAVEDIR)" != "x" && test ! -d $(DESTDIR)$(SAVEDIR) ; then \
	mkdir -p $(DESTDIR)$(SAVEDIR) ; fi
	$(INSTALL) -m 0755 $(PROGRAM) $(DESTDIR)$(bindir)/$(PROGRAM)
	-if test "x$(GROUPOWNER)" != "x" ; then \
	    chgrp $(GROUPOWNER) $(DESTDIR)$(SCOREFILE) ; \
	    chgrp $(GROUPOWNER) $(DESTDIR)$(LOGFILE) ; \
	    chgrp $(GROUPOWNER) $(DESTDIR)$(bindir)/$(PROGRAM) ; \
	    chgrp $(GROUPOWNER) $(DESTDIR)$(SAVEDIR) ; \
	    chmod 02755 $(DESTDIR)$(bindir)/$(PROGRAM) ; \
	    chmod 0464 $(DESTDIR)$(SCOREFILE) ; \
	    chmod 0464 $(DESTDIR)$(LOGFILE) ; \
	    chmod 0775 $(DESTDIR)$(SAVEDIR) ; \
         fi
	-if test ! -d $(DESTDIR)$(docdir) ; \
	    then mkdir -p $(DESTDIR)$(docdir) ; fi
	-$(INSTALL) -m 0644 LICENSE.TXT $(DESTDIR)$(docdir)/LICENSE.TXT
	-$(INSTALL) -m 0644 README.TXT $(DESTDIR)$(docdir)
	-$(RM) test

uninstall:	
	-$(RM) $(DESTDIR)$(bindir)/$(PROGRAM)
	-$(RM) -r $(DESTDIR)$(docdir)
    
reinstall: uninstall install

clean:
	$(RM) $(OBJS1)
	$(RM) $(OBJS2)
	$(RM) core a.exe a.out a.exe.stackdump $(PROGRAM) $(PROGRAM).exe $(PROGRAM).tar $(PROGRAM).tar.gz $(PROGRAM).zip

dist.src:
	make clean
	tar cf $(DISTNAME)-src.tar $(CFILES) $(HDRS) $(MISC)
	gzip -f $(DISTNAME)-src.tar

dist.irix:
	make clean
	make CC=cc CFLAGS="-woff 1116 -O3" $(PROGRAM)
	tar cf $(DISTNAME)-irix.tar $(PROGRAM) README.TXT LICENSE.TXT
	gzip -f $(DISTNAME)-irix.tar

dist.aix:
	make clean
	make CC=xlc CFLAGS="-qmaxmem=16768 -O3 -qstrict" $(PROGRAM)
	tar cf $(DISTNAME)-aix.tar $(PROGRAM) README.TXT LICENSE.TXT
	gzip -f $(DISTNAME)-aix.tar

dist.linux:
	make clean
	make $(PROGRAM)
	tar cf $(DISTNAME)-linux.tar $(PROGRAM) README.TXT LICENSE.TXT
	gzip -f $(DISTNAME)-linux.tar
	
dist.interix:
	make clean
	make $(PROGRAM)
	tar cf $(DISTNAME)-interix.tar $(PROGRAM) README.TXT LICENSE.TXT
	gzip -f $(DISTNAME)-interix.tar
	
dist.cygwin:
	make clean
	make $(PROGRAM)
	tar cf $(DISTNAME)-cygwin.tar $(PROGRAM).exe README.TXT LICENSE.TXT
	gzip -f $(DISTNAME)-cygwin.tar
	
dist.mingw32:
	$(MAKE) RM="cmd /c del" clean
	$(MAKE) CRLIB="-lpdcurses -lWs2_32" $(PROGRAM)
	cmd /c del $(DISTNAME)-mingw32.zip
	zip $(DISTNAME)-mingw32.zip $(PROGRAM).exe README.TXT LICENSE.TXT
	
dist.msys:
	$(MAKE) clean
	$(MAKE) CRLIB="-lcurses -lWs2_32" $(PROGRAM)
	tar cf $(DISTNAME)-msys.tar $(PROGRAM).exe README.TXT LICENSE.TXT
	gzip -f $(DISTNAME)-msys.tar
	
dist.djgpp:
	make clean
	make LDFLAGS="-L$(DJDIR)/LIB" CRLIB="-lpdcurses" $(PROGRAM)
	rm -f $(DISTNAME)-djgpp.zip
	zip $(DISTNAME)-djgpp.zip $(PROGRAM) README.TXT LICENSE.TXT

dist.win32:
	nmake O="obj" RM="-del" clean
	nmake O="obj" CC="CL" CRLIB="..\pdcurses.lib shell32.lib user32.lib Advapi32.lib Ws2_32.lib" CFLAGS="-DPDC_STATIC_BUILD -nologo -I.. -Ox -wd4033 -wd4716" $(PROGRAM)
	-del $(DISTNAME)-win32.zip
	zip $(DISTNAME)-win32.zip $(PROGRAM).exe README.TXT LICENSE.TXT