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Mini Shell
Mini Shell
# Description: Can configure networking. This is restricted because it gives
# wide, privileged access to networking and should only be used with trusted
# apps.
# Usage: reserved
#include <abstractions/nameservice>
#include <abstractions/ssl_certs>
capability net_admin,
capability net_raw,
capability setuid, # ping
# Allow protocols except those that we blacklist in
# /etc/modprobe.d/blacklist-rare-network.conf
network appletalk,
network bridge,
network inet,
network inet6,
network ipx,
network packet,
network pppox,
network sna,
@{PROC}/@{pid}/net/ r,
@{PROC}/@{pid}/net/** r,
# used by sysctl, et al
@{PROC}/sys/ r,
@{PROC}/sys/net/ r,
@{PROC}/sys/net/core/ r,
@{PROC}/sys/net/core/** rw,
@{PROC}/sys/net/ipv{4,6}/ r,
@{PROC}/sys/net/ipv{4,6}/** rw,
@{PROC}/sys/net/netfilter/ r,
@{PROC}/sys/net/netfilter/** rw,
@{PROC}/sys/net/nf_conntrack_max rw,
# networking tools
/{,usr/}{,s}bin/arp ixr,
/{,usr/}{,s}bin/arpd ixr,
/{,usr/}{,s}bin/bridge ixr,
/{,usr/}{,s}bin/dhclient Pxr, # use ixr instead if want to limit to snap dirs
/{,usr/}{,s}bin/ifconfig ixr,
audit deny /{,usr/}{,s}bin/if{up,down} r, # the system uses these, snaps shouldn't
/{,usr/}{,s}bin/ip ixr,
/{,usr/}{,s}bin/ipmaddr ixr,
/{,usr/}{,s}bin/iptunnel ixr,
audit deny /{,usr/}{,s}bin/mii-tool r, # needs capability sys_module
/{,usr/}{,s}bin/nameif ixr,
/{,usr/}{,s}bin/netstat ixr, # -p not supported
/{,usr/}{,s}bin/nstat ixr,
/{,usr/}{,s}bin/ping ixr,
/{,usr/}{,s}bin/ping6 ixr,
/{,usr/}{,s}bin/pppd ixr,
/{,usr/}{,s}bin/pppdump ixr,
/{,usr/}{,s}bin/pppoe-discovery ixr,
#/{,usr/}{,s}bin/pppstats ixr, # needs sys_module
/{,usr/}{,s}bin/route ixr,
/{,usr/}{,s}bin/routef ixr,
/{,usr/}{,s}bin/routel ixr,
/{,usr/}{,s}bin/rtacct ixr,
/{,usr/}{,s}bin/rtmon ixr,
/{,usr/}{,s}bin/sysctl ixr,
/{,usr/}{,s}bin/tc ixr,
/{,usr/}{,s}bin/wpa_action ixr,
/{,usr/}{,s}bin/wpa_cli ixr,
/{,usr/}{,s}bin/wpa_passphrase ixr,
/{,usr/}{,s}bin/wpa_supplicant ixr,
# arp
network netlink dgram,
# ip, et al
/etc/iproute2/ r,
/etc/iproute2/* r,
# ping - child profile would be nice but seccomp causes problems with that
/{,usr/}{,s}bin/ping ixr,
/{,usr/}{,s}bin/ping6 ixr,
network inet raw,
network inet6 raw,
# pppd
capability setuid,
@{PROC}/@{pid}/loginuid r,
@{PROC}/@{pid}/mounts r,
# route
/etc/networks r,
Zerion Mini Shell 1.0