75c1354190
This is a seriously beefed up chroot kind of thing. The process is jailed along the same lines as a chroot does it, but with additional tough restrictions imposed on what the superuser can do. For all I know, it is safe to hand over the root bit inside a prison to the customer living in that prison, this is what it was developed for in fact: "real virtual servers". Each prison has an ip number associated with it, which all IP communications will be coerced to use and each prison has its own hostname. Needless to say, you need more RAM this way, but the advantage is that each customer can run their own particular version of apache and not stomp on the toes of their neighbors. It generally does what one would expect, but setting up a jail still takes a little knowledge. A few notes: I have no scripts for setting up a jail, don't ask me for them. The IP number should be an alias on one of the interfaces. mount a /proc in each jail, it will make ps more useable. /proc/<pid>/status tells the hostname of the prison for jailed processes. Quotas are only sensible if you have a mountpoint per prison. There are no privisions for stopping resource-hogging. Some "#ifdef INET" and similar may be missing (send patches!) If somebody wants to take it from here and develop it into more of a "virtual machine" they should be most welcome! Tools, comments, patches & documentation most welcome. Have fun... Sponsored by: http://www.rndassociates.com/ Run for almost a year by: http://www.servetheweb.com/
146 lines
4.6 KiB
Makefile
146 lines
4.6 KiB
Makefile
# @(#)Makefile.inc 8.3 (Berkeley) 10/24/94
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# $Id: Makefile.inc,v 1.61 1999/04/11 21:14:40 dt Exp $
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# sys sources
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.PATH: ${.CURDIR}/../libc/${MACHINE_ARCH}/sys ${.CURDIR}/../libc/sys
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# Include the generated makefile containing the *complete* list
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# of syscall names in MIASM.
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.include "${.CURDIR}/../../sys/sys/syscall.mk"
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# Include machine dependent definitions.
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#
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# MDASM names override the default syscall names in MIASM.
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# NOASM will prevent the default syscall code from being generated.
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#
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.include "${.CURDIR}/../libc/${MACHINE_ARCH}/sys/Makefile.inc"
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# Sources common to both syscall interfaces:
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SRCS+= ftruncate.c lseek.c mmap.c pread.c pwrite.c truncate.c
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# Build __error() into libc, but not libc_r which has its own:
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.if ${LIB} == "c"
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SRCS+= __error.c
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.endif
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# Add machine dependent asm sources:
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SRCS+=${MDASM}
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# Look though the complete list of syscalls (MIASM) for names that are
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# not defined with machine dependent implementations (MDASM) and are
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# not declared for no generation of default code (NOASM). If the
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# syscall is not hidden, add it to the ASM list, otherwise add it
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# to the ASMR list.
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.for _asm in ${MIASM}
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.if (${MDASM:R:M${_asm:R}} == "")
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.if (${NOASM:R:M${_asm:R}} == "")
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.if (${HIDDEN_SYSCALLS:R:M${_asm:R}} == "")
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ASM+=$(_asm)
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.else
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ASMR+=$(_asm)
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.endif
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.endif
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.endif
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.endfor
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OBJS+= ${ASM} ${ASMR} ${PSEUDO} ${PSEUDOR}
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SASM= ${ASM:S/.o/.S/}
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SASMR= ${ASMR:S/.o/.S/}
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SPSEUDO= ${PSEUDO:S/.o/.S/}
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SPSEUDOR= ${PSEUDOR:S/.o/.S/}
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SRCS+= ${SASM} ${SASMR} ${SPSEUDO} ${SPSEUDOR}
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# Generated files
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CLEANFILES+= ${SASM} ${SASMR} ${SPSEUDO} ${SPSEUDOR}
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${SASM}:
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printf '#include "SYS.h"\nRSYSCALL(${.PREFIX})\n' > ${.TARGET}
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${SASMR}:
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printf '#include "SYS.h"\nPRSYSCALL(${.PREFIX})\n' > ${.TARGET}
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${SPSEUDO}:
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printf '#include "SYS.h"\nPSEUDO(${.PREFIX},${.PREFIX:S/_//})\n' \
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> ${.TARGET}
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${SPSEUDOR}:
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printf '#include "SYS.h"\nPPSEUDO(${.PREFIX},${.PREFIX:S/_//})\n' \
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> ${.TARGET}
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.if ${LIB} == "c"
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MAN2+= _exit.2 accept.2 access.2 acct.2 adjtime.2 aio_read.2 \
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bind.2 brk.2 chdir.2 chflags.2 \
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chmod.2 chown.2 chroot.2 clock_gettime.2 close.2 \
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connect.2 dup.2 execve.2 \
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fcntl.2 flock.2 fork.2 fsync.2 getdirentries.2 getdtablesize.2 \
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getfh.2 getfsstat.2 getgid.2 getgroups.2 getitimer.2 getlogin.2 \
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getpeername.2 getpgrp.2 getpid.2 getpriority.2 getrlimit.2 \
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getrusage.2 getsid.2 getsockname.2 \
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getsockopt.2 gettimeofday.2 getuid.2 \
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intro.2 ioctl.2 issetugid.2 jail.2 kill.2 \
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kldfind.2 kldfirstmod.2 kldload.2 kldnext.2 kldstat.2 kldunload.2 \
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ktrace.2 link.2 listen.2 lseek.2 \
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madvise.2 mincore.2 minherit.2 mkdir.2 mkfifo.2 mknod.2 mlock.2 mmap.2 \
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mount.2 mprotect.2 msync.2 munmap.2 nanosleep.2 \
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nfssvc.2 open.2 pathconf.2 pipe.2 poll.2 profil.2 ptrace.2 quotactl.2 \
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read.2 readlink.2 reboot.2 recv.2 rename.2 revoke.2 rfork.2 rmdir.2 \
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rtprio.2 select.2 semctl.2 semget.2 semop.2 send.2 sendfile.2 \
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setgroups.2 setpgid.2 setregid.2 setreuid.2 setsid.2 setuid.2 \
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shmat.2 shmctl.2 shmget.2 shutdown.2 \
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sigaction.2 sigaltstack.2 sigpending.2 sigprocmask.2 sigreturn.2 \
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sigstack.2 sigsuspend.2 socket.2 socketpair.2 stat.2 statfs.2 \
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swapon.2 symlink.2 sync.2 sysarch.2 syscall.2 \
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truncate.2 umask.2 undelete.2 \
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unlink.2 utimes.2 vfork.2 wait.2 write.2
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.if !defined(NO_P1003_1B)
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MAN2+= sched_get_priority_max.2 sched_setparam.2 \
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sched_setscheduler.2 sched_yield.2
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.endif
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MLINKS+=brk.2 sbrk.2
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MLINKS+=dup.2 dup2.2
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MLINKS+=chdir.2 fchdir.2
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MLINKS+=chflags.2 fchflags.2
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MLINKS+=chmod.2 fchmod.2
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MLINKS+=chown.2 fchown.2 chown.2 lchown.2
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MLINKS+=clock_gettime.2 clock_getres.2 clock_gettime.2 clock_settime.2
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MLINKS+=getgid.2 getegid.2
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MLINKS+=getitimer.2 setitimer.2
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MLINKS+=getlogin.2 setlogin.2
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MLINKS+=getpgrp.2 getpgid.2
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MLINKS+=getpid.2 getppid.2
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MLINKS+=getpriority.2 setpriority.2
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MLINKS+=getrlimit.2 setrlimit.2
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MLINKS+=getsockopt.2 setsockopt.2
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MLINKS+=gettimeofday.2 settimeofday.2
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MLINKS+=getuid.2 geteuid.2
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MLINKS+=intro.2 errno.2
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MLINKS+=lseek.2 seek.2
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MLINKS+=mlock.2 munlock.2
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MLINKS+=mount.2 unmount.2
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MLINKS+=pathconf.2 fpathconf.2
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MLINKS+=read.2 pread.2 read.2 readv.2
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MLINKS+=recv.2 recvfrom.2 recv.2 recvmsg.2
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MLINKS+=send.2 sendmsg.2 send.2 sendto.2
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MLINKS+=setpgid.2 setpgrp.2
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MLINKS+=setuid.2 setegid.2 setuid.2 seteuid.2 setuid.2 setgid.2
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MLINKS+=shmat.2 shmdt.2
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MLINKS+=stat.2 fstat.2 stat.2 lstat.2
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MLINKS+=statfs.2 fstatfs.2
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MLINKS+=syscall.2 __syscall.2
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MLINKS+=truncate.2 ftruncate.2
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MLINKS+=wait.2 wait3.2 wait.2 wait4.2 wait.2 waitpid.2
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MLINKS+=write.2 pwrite.2 write.2 writev.2
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.if !defined(NO_P1003_1B)
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MLINKS+=sched_get_priority_max.2 sched_get_priority_min.2 \
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sched_get_priority_max.2 sched_rr_get_interval.2
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MLINKS+=sched_setparam.2 sched_getparam.2
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MLINKS+=sched_setscheduler.2 sched_getscheduler.2
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.endif
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.endif
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