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name: "firefox-with-net"
description: "This policy allows to run firefox inside a jail. Access to networking is"
description: "permitted with this setup (clone_newnet: false)."
description: ""
description: "The only permitted home directory is $HOME/.mozilla and $HOME/Documents."
description: "The rest of available on the FS files/dires are libs and X-related files/dirs."
description: ""
description: "Run as:"
description: ""
description: "./nsjail --config configs/firefox-with-net.cfg"
description: ""
description: "You can then go to https://uploadfiles.io/ and try to upload a file in order"
description: "to see how your local directory (also, all system directories) look like."
mode: ONCE
hostname: "FIREFOX"
cwd: "/user"
time_limit: 0
clone_newnet: false
envar: "HOME=/user"
envar: "DISPLAY=:0"
envar: "TMP=/tmp"
rlimit_as: 4096
rlimit_cpu: 1000
rlimit_fsize: 1024
rlimit_nofile: 512
uidmap {
inside_id: "9999999"
}
gidmap {
inside_id: "9999999"
}
mount {
dst: "/proc"
fstype: "proc"
rw: true
}
mount {
src: "/lib"
dst: "/lib"
is_bind: true
}
mount {
src: "/usr/lib"
dst: "/usr/lib"
is_bind: true
}
mount {
src: "/lib64"
dst: "/lib64"
is_bind: true
mandatory: false
}
mount {
src: "/lib32"
dst: "/lib32"
is_bind: true
mandatory: false
}
mount {
src: "/usr/lib/firefox"
dst: "/usr/lib/firefox"
is_bind: true
}
mount {
src: "/usr/bin/firefox"
dst: "/usr/bin/firefox"
is_bind: true
}
mount {
src: "/usr/share"
dst: "/usr/share"
is_bind: true
}
mount {
src_content: "<?xml version=\"1.0\"?>\n<!DOCTYPE fontconfig SYSTEM \"fonts.dtd\">\n<fontconfig><dir>/usr/share/fonts</dir><cachedir>/tmp/fontconfig</cachedir></fontconfig>"
dst: "/etc/fonts/fonts.conf"
}
mount {
src: "/dev/urandom"
dst: "/dev/urandom"
is_bind: true
rw: true
}
mount {
src: "/dev/null"
dst: "/dev/null"
is_bind: true
rw: true
}
mount {
src_content: "nameserver 8.8.8.8"
dst: "/etc/resolv.conf"
}
mount {
dst: "/tmp"
fstype: "tmpfs"
rw: true
is_bind: false
}
mount {
dst: "/dev/shm"
fstype: "tmpfs"
rw: true
is_bind: false
}
mount {
dst: "/user"
fstype: "tmpfs"
rw: true
}
mount {
prefix_src_env: "HOME"
src: "/Documents"
dst: "/user/Documents"
rw: true
is_bind: true
mandatory: false
}
mount {
prefix_src_env: "HOME"
src: "/.mozilla"
dst: "/user/.mozilla"
is_bind: true
rw: true
mandatory: false
}
mount {
src: "/tmp/.X11-unix/X0"
dst: "/tmp/.X11-unix/X0"
is_bind: true
}
seccomp_string: "POLICY example {"
seccomp_string: " KILL {"
seccomp_string: " ptrace,"
seccomp_string: " process_vm_readv,"
seccomp_string: " process_vm_writev"
seccomp_string: " }"
seccomp_string: "}"
seccomp_string: "USE example DEFAULT ALLOW"
exec_bin {
path: "/usr/lib/firefox/firefox"
}