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f13ee88b74
fortify/internal/app/app_nixos_test.go
Ophestra f13ee88b74
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app: share path setup on demand 
This removes the unnecessary creation and destruction of share paths when none of the enablements making use of them are set.

Signed-off-by: Ophestra <cat@gensokyo.uk>
2025-04-01 00:19:34 +09:00

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package app_test
import (
"git.gensokyo.uk/security/fortify/acl"
"git.gensokyo.uk/security/fortify/dbus"
"git.gensokyo.uk/security/fortify/fst"
"git.gensokyo.uk/security/fortify/sandbox"
"git.gensokyo.uk/security/fortify/system"
)
var testCasesNixos = []sealTestCase{
{
"nixos chromium direct wayland", new(stubNixOS),
&fst.Config{
ID: "org.chromium.Chromium",
Path: "/nix/store/yqivzpzzn7z5x0lq9hmbzygh45d8rhqd-chromium-start",
Confinement: fst.ConfinementConfig{
AppID: 1, Groups: []string{}, Username: "u0_a1",
Outer: "/var/lib/persist/module/fortify/0/1",
Sandbox: &fst.SandboxConfig{
Userns: true, Net: true, MapRealUID: true, DirectWayland: true, Env: nil, AutoEtc: true,
Filesystem: []*fst.FilesystemConfig{
{Src: "/bin", Must: true}, {Src: "/usr/bin", Must: true},
{Src: "/nix/store", Must: true}, {Src: "/run/current-system", Must: true},
{Src: "/sys/block"}, {Src: "/sys/bus"}, {Src: "/sys/class"}, {Src: "/sys/dev"}, {Src: "/sys/devices"},
{Src: "/run/opengl-driver", Must: true}, {Src: "/dev/dri", Device: true},
},
Cover: []string{"/var/run/nscd"},
},
SystemBus: &dbus.Config{
Talk: []string{"org.bluez", "org.freedesktop.Avahi", "org.freedesktop.UPower"},
Filter: true,
},
SessionBus: &dbus.Config{
Talk: []string{
"org.freedesktop.FileManager1", "org.freedesktop.Notifications",
"org.freedesktop.ScreenSaver", "org.freedesktop.secrets",
"org.kde.kwalletd5", "org.kde.kwalletd6",
},
Own: []string{
"org.chromium.Chromium.*",
"org.mpris.MediaPlayer2.org.chromium.Chromium.*",
"org.mpris.MediaPlayer2.chromium.*",
},
Call: map[string]string{}, Broadcast: map[string]string{},
Filter: true,
},
Enablements: system.EWayland | system.EDBus | system.EPulse,
},
},
fst.ID{
0x8e, 0x2c, 0x76, 0xb0,
0x66, 0xda, 0xbe, 0x57,
0x4c, 0xf0, 0x73, 0xbd,
0xb4, 0x6e, 0xb5, 0xc1,
},
system.New(1000001).
Ensure("/tmp/fortify.1971", 0711).
Ensure("/tmp/fortify.1971/tmpdir", 0700).UpdatePermType(system.User, "/tmp/fortify.1971/tmpdir", acl.Execute).
Ensure("/tmp/fortify.1971/tmpdir/1", 01700).UpdatePermType(system.User, "/tmp/fortify.1971/tmpdir/1", acl.Read, acl.Write, acl.Execute).
Ensure("/run/user/1971/fortify", 0700).UpdatePermType(system.User, "/run/user/1971/fortify", acl.Execute).
Ensure("/run/user/1971", 0700).UpdatePermType(system.User, "/run/user/1971", acl.Execute). // this is ordered as is because the previous Ensure only calls mkdir if XDG_RUNTIME_DIR is unset
UpdatePermType(system.EWayland, "/run/user/1971/wayland-0", acl.Read, acl.Write, acl.Execute).
Ephemeral(system.Process, "/run/user/1971/fortify/8e2c76b066dabe574cf073bdb46eb5c1", 0700).UpdatePermType(system.Process, "/run/user/1971/fortify/8e2c76b066dabe574cf073bdb46eb5c1", acl.Execute).
Link("/run/user/1971/pulse/native", "/run/user/1971/fortify/8e2c76b066dabe574cf073bdb46eb5c1/pulse").
CopyFile(nil, "/home/ophestra/xdg/config/pulse/cookie", 256, 256).
Ephemeral(system.Process, "/tmp/fortify.1971/8e2c76b066dabe574cf073bdb46eb5c1", 0711).
MustProxyDBus("/tmp/fortify.1971/8e2c76b066dabe574cf073bdb46eb5c1/bus", &dbus.Config{
Talk: []string{
"org.freedesktop.FileManager1", "org.freedesktop.Notifications",
"org.freedesktop.ScreenSaver", "org.freedesktop.secrets",
"org.kde.kwalletd5", "org.kde.kwalletd6",
},
Own: []string{
"org.chromium.Chromium.*",
"org.mpris.MediaPlayer2.org.chromium.Chromium.*",
"org.mpris.MediaPlayer2.chromium.*",
},
Call: map[string]string{}, Broadcast: map[string]string{},
Filter: true,
}, "/tmp/fortify.1971/8e2c76b066dabe574cf073bdb46eb5c1/system_bus_socket", &dbus.Config{
Talk: []string{
"org.bluez",
"org.freedesktop.Avahi",
"org.freedesktop.UPower",
},
Filter: true,
}).
UpdatePerm("/tmp/fortify.1971/8e2c76b066dabe574cf073bdb46eb5c1/bus", acl.Read, acl.Write).
UpdatePerm("/tmp/fortify.1971/8e2c76b066dabe574cf073bdb46eb5c1/system_bus_socket", acl.Read, acl.Write),
&sandbox.Params{
Uid: 1971,
Gid: 100,
Flags: sandbox.FAllowNet | sandbox.FAllowUserns,
Dir: "/var/lib/persist/module/fortify/0/1",
Path: "/nix/store/yqivzpzzn7z5x0lq9hmbzygh45d8rhqd-chromium-start",
Args: []string{"/nix/store/yqivzpzzn7z5x0lq9hmbzygh45d8rhqd-chromium-start"},
Env: []string{
"DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1971/bus",
"DBUS_SYSTEM_BUS_ADDRESS=unix:path=/run/dbus/system_bus_socket",
"HOME=/var/lib/persist/module/fortify/0/1",
"PULSE_COOKIE=" + fst.Tmp + "/pulse-cookie",
"PULSE_SERVER=unix:/run/user/1971/pulse/native",
"SHELL=/run/current-system/sw/bin/zsh",
"TERM=xterm-256color",
"USER=u0_a1",
"WAYLAND_DISPLAY=wayland-0",
"XDG_RUNTIME_DIR=/run/user/1971",
"XDG_SESSION_CLASS=user",
"XDG_SESSION_TYPE=tty",
},
Ops: new(sandbox.Ops).
Proc("/proc").
Tmpfs(fst.Tmp, 4096, 0755).
Dev("/dev").Mqueue("/dev/mqueue").
Bind("/bin", "/bin", 0).
Bind("/usr/bin", "/usr/bin", 0).
Bind("/nix/store", "/nix/store", 0).
Bind("/run/current-system", "/run/current-system", 0).
Bind("/sys/block", "/sys/block", sandbox.BindOptional).
Bind("/sys/bus", "/sys/bus", sandbox.BindOptional).
Bind("/sys/class", "/sys/class", sandbox.BindOptional).
Bind("/sys/dev", "/sys/dev", sandbox.BindOptional).
Bind("/sys/devices", "/sys/devices", sandbox.BindOptional).
Bind("/run/opengl-driver", "/run/opengl-driver", 0).
Bind("/dev/dri", "/dev/dri", sandbox.BindDevice|sandbox.BindWritable|sandbox.BindOptional).
Bind("/etc", fst.Tmp+"/etc", 0).
Link(fst.Tmp+"/etc/alsa", "/etc/alsa").
Link(fst.Tmp+"/etc/bashrc", "/etc/bashrc").
Link(fst.Tmp+"/etc/binfmt.d", "/etc/binfmt.d").
Link(fst.Tmp+"/etc/dbus-1", "/etc/dbus-1").
Link(fst.Tmp+"/etc/default", "/etc/default").
Link(fst.Tmp+"/etc/ethertypes", "/etc/ethertypes").
Link(fst.Tmp+"/etc/fonts", "/etc/fonts").
Link(fst.Tmp+"/etc/fstab", "/etc/fstab").
Link(fst.Tmp+"/etc/fuse.conf", "/etc/fuse.conf").
Link(fst.Tmp+"/etc/host.conf", "/etc/host.conf").
Link(fst.Tmp+"/etc/hostid", "/etc/hostid").
Link(fst.Tmp+"/etc/hostname", "/etc/hostname").
Link(fst.Tmp+"/etc/hostname.CHECKSUM", "/etc/hostname.CHECKSUM").
Link(fst.Tmp+"/etc/hosts", "/etc/hosts").
Link(fst.Tmp+"/etc/inputrc", "/etc/inputrc").
Link(fst.Tmp+"/etc/ipsec.d", "/etc/ipsec.d").
Link(fst.Tmp+"/etc/issue", "/etc/issue").
Link(fst.Tmp+"/etc/kbd", "/etc/kbd").
Link(fst.Tmp+"/etc/libblockdev", "/etc/libblockdev").
Link(fst.Tmp+"/etc/locale.conf", "/etc/locale.conf").
Link(fst.Tmp+"/etc/localtime", "/etc/localtime").
Link(fst.Tmp+"/etc/login.defs", "/etc/login.defs").
Link(fst.Tmp+"/etc/lsb-release", "/etc/lsb-release").
Link(fst.Tmp+"/etc/lvm", "/etc/lvm").
Link(fst.Tmp+"/etc/machine-id", "/etc/machine-id").
Link(fst.Tmp+"/etc/man_db.conf", "/etc/man_db.conf").
Link(fst.Tmp+"/etc/modprobe.d", "/etc/modprobe.d").
Link(fst.Tmp+"/etc/modules-load.d", "/etc/modules-load.d").
Link("/proc/mounts", "/etc/mtab").
Link(fst.Tmp+"/etc/nanorc", "/etc/nanorc").
Link(fst.Tmp+"/etc/netgroup", "/etc/netgroup").
Link(fst.Tmp+"/etc/NetworkManager", "/etc/NetworkManager").
Link(fst.Tmp+"/etc/nix", "/etc/nix").
Link(fst.Tmp+"/etc/nixos", "/etc/nixos").
Link(fst.Tmp+"/etc/NIXOS", "/etc/NIXOS").
Link(fst.Tmp+"/etc/nscd.conf", "/etc/nscd.conf").
Link(fst.Tmp+"/etc/nsswitch.conf", "/etc/nsswitch.conf").
Link(fst.Tmp+"/etc/opensnitchd", "/etc/opensnitchd").
Link(fst.Tmp+"/etc/os-release", "/etc/os-release").
Link(fst.Tmp+"/etc/pam", "/etc/pam").
Link(fst.Tmp+"/etc/pam.d", "/etc/pam.d").
Link(fst.Tmp+"/etc/pipewire", "/etc/pipewire").
Link(fst.Tmp+"/etc/pki", "/etc/pki").
Link(fst.Tmp+"/etc/polkit-1", "/etc/polkit-1").
Link(fst.Tmp+"/etc/profile", "/etc/profile").
Link(fst.Tmp+"/etc/protocols", "/etc/protocols").
Link(fst.Tmp+"/etc/qemu", "/etc/qemu").
Link(fst.Tmp+"/etc/resolv.conf", "/etc/resolv.conf").
Link(fst.Tmp+"/etc/resolvconf.conf", "/etc/resolvconf.conf").
Link(fst.Tmp+"/etc/rpc", "/etc/rpc").
Link(fst.Tmp+"/etc/samba", "/etc/samba").
Link(fst.Tmp+"/etc/sddm.conf", "/etc/sddm.conf").
Link(fst.Tmp+"/etc/secureboot", "/etc/secureboot").
Link(fst.Tmp+"/etc/services", "/etc/services").
Link(fst.Tmp+"/etc/set-environment", "/etc/set-environment").
Link(fst.Tmp+"/etc/shadow", "/etc/shadow").
Link(fst.Tmp+"/etc/shells", "/etc/shells").
Link(fst.Tmp+"/etc/ssh", "/etc/ssh").
Link(fst.Tmp+"/etc/ssl", "/etc/ssl").
Link(fst.Tmp+"/etc/static", "/etc/static").
Link(fst.Tmp+"/etc/subgid", "/etc/subgid").
Link(fst.Tmp+"/etc/subuid", "/etc/subuid").
Link(fst.Tmp+"/etc/sudoers", "/etc/sudoers").
Link(fst.Tmp+"/etc/sysctl.d", "/etc/sysctl.d").
Link(fst.Tmp+"/etc/systemd", "/etc/systemd").
Link(fst.Tmp+"/etc/terminfo", "/etc/terminfo").
Link(fst.Tmp+"/etc/tmpfiles.d", "/etc/tmpfiles.d").
Link(fst.Tmp+"/etc/udev", "/etc/udev").
Link(fst.Tmp+"/etc/udisks2", "/etc/udisks2").
Link(fst.Tmp+"/etc/UPower", "/etc/UPower").
Link(fst.Tmp+"/etc/vconsole.conf", "/etc/vconsole.conf").
Link(fst.Tmp+"/etc/X11", "/etc/X11").
Link(fst.Tmp+"/etc/zfs", "/etc/zfs").
Link(fst.Tmp+"/etc/zinputrc", "/etc/zinputrc").
Link(fst.Tmp+"/etc/zoneinfo", "/etc/zoneinfo").
Link(fst.Tmp+"/etc/zprofile", "/etc/zprofile").
Link(fst.Tmp+"/etc/zshenv", "/etc/zshenv").
Link(fst.Tmp+"/etc/zshrc", "/etc/zshrc").
Tmpfs("/run/user", 4096, 0755).
Tmpfs("/run/user/1971", 8388608, 0700).
Bind("/tmp/fortify.1971/tmpdir/1", "/tmp", sandbox.BindWritable).
Bind("/var/lib/persist/module/fortify/0/1", "/var/lib/persist/module/fortify/0/1", sandbox.BindWritable).
Place("/etc/passwd", []byte("u0_a1:x:1971:100:Fortify:/var/lib/persist/module/fortify/0/1:/run/current-system/sw/bin/zsh\n")).
Place("/etc/group", []byte("fortify:x:100:\n")).
Bind("/run/user/1971/wayland-0", "/run/user/1971/wayland-0", 0).
Bind("/run/user/1971/fortify/8e2c76b066dabe574cf073bdb46eb5c1/pulse", "/run/user/1971/pulse/native", 0).
Place(fst.Tmp+"/pulse-cookie", nil).
Bind("/tmp/fortify.1971/8e2c76b066dabe574cf073bdb46eb5c1/bus", "/run/user/1971/bus", 0).
Bind("/tmp/fortify.1971/8e2c76b066dabe574cf073bdb46eb5c1/system_bus_socket", "/run/dbus/system_bus_socket", 0).
Tmpfs("/var/run/nscd", 8192, 0755),
},
},
}
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