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78 lines
2.8 KiB
Plaintext
78 lines
2.8 KiB
Plaintext
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#
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# Sample systrace policy for ngIRCd on OpenBSD
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# Author: Benjamin Pineau <ben@zouh.org>
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#
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# $Id: systrace.policy,v 1.1 2004/04/28 12:16:59 alex Exp $
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#
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# Tune me, put me in /etc/systrace/usr_local_bin_ngircd and start ngIRCd
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# (with root privileges) as:
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#
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# systrace -a /usr/local/bin/ngircd
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#
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# I didn't tried this on NetBSD, but it should work as is.
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#
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# On systems with pf, it can be supplemented by strict firewall rules:
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# for a ngircd running as '$ircuser', binding on '$ircport' and accepting
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# 30 connections:
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#
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# block out log quick proto tcp from any port $ircport to any \
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# user != $ircuser
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# pass in inet proto tcp from any to any port $ircport user $ircuser \
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# keep state (max 30) flags S/SA
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#
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Policy: /usr/local/bin/ngircd, Emulation: native
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native-__sysctl: permit
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native-fsread: filename eq "/etc/malloc.conf" then permit
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native-fsread: filename sub "/usr/share/zoneinfo/" then permit
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native-fsread: filename eq "/usr/local/etc/ngircd.conf" then permit
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native-fsread: filename eq "/usr/local/etc/ngircd.motd" then permit
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native-fsread: filename eq "/etc/ngircd.conf" then permit
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native-fsread: filename eq "/etc/ngircd.motd" then permit
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native-fsread: filename eq "/etc/spwd.db" then deny[eperm]
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native-fsread: filename eq "/etc/group" then permit
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native-fsread: filename eq "/etc/resolv.conf" then permit
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native-fsread: filename eq "/etc/localtime" then permit
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native-fsread: filename eq "/etc/hosts" then permit
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native-fsread: filename sub "<non-existent filename>" then deny[enoent]
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native-socket: sockdom eq "AF_UNIX" and socktype eq "SOCK_DGRAM" then permit
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native-socket: sockdom eq "AF_INET" and socktype eq "SOCK_STREAM" then permit
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native-bind: sockaddr match "inet-*:6667" then permit, if user != root
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native-connect: sockaddr eq "/dev/log" then permit, if user != root
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native-connect: sockaddr match "inet-*:53" then permit, if user != root
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native-setsockopt: permit, if user != root
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native-listen: permit, if user != root
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native-accept: permit, if user != root
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native-sendto: true then permit, if user != root
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native-recvfrom: permit, if user != root
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native-read: permit
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native-pread: permit
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native-write: permit, if user != root
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native-mmap: permit
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native-munmap: permit
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native-mprotect: permit
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native-break: permit
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native-umask: permit
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native-fork: permit
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native-setsid: permit
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native-chdir: permit
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native-chroot: permit
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native-setgid: gid neq "0" then permit
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native-setuid: uid neq "0" and uname neq "root" then permit
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native-getuid: permit
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native-getgid: permit
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native-gettimeofday: permit
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native-getpid: permit
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native-select: permit
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native-fcntl: permit
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native-fstat: permit
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native-issetugid: permit
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native-sigaction: permit
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native-pipe: permit
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native-sigreturn: permit
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native-close: permit
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native-exit: permit
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native-fswrite: deny[eperm]
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# -eof-
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