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container/bits: move bind bits
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Browse Source 
This allows referring to the bits without importing container.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra 2025-10-07 21:38:31 +09:00
parent 5d18af0007
commit 584ce3da68
Signed by: cat
SSH Key Fingerprint: SHA256:gQ67O0enBZ7UdZypgtspB2FDM1g3GVw8nX0XSdcFw8Q
12 changed files with 116 additions and 110 deletions
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31
container/autoroot_test.go
View File

@ -5,6 +5,7 @@ import (
"os"
"testing"
"hakurei.app/container/bits"
"hakurei.app/container/check"
"hakurei.app/container/stub"
)
@ -20,14 +21,14 @@ func TestAutoRootOp(t *testing.T) {
checkOpBehaviour(t, []opBehaviourTestCase{
{"readdir", &Params{ParentPerm: 0750}, &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, []stub.Call{
call("readdir", stub.ExpectArgs{"/"}, stubDir(), stub.UniqueError(2)),
}, stub.UniqueError(2), nil, nil},
{"early", &Params{ParentPerm: 0750}, &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, []stub.Call{
call("readdir", stub.ExpectArgs{"/"}, stubDir("bin", "dev", "etc", "home", "lib64",
"lost+found", "mnt", "nix", "proc", "root", "run", "srv", "sys", "tmp", "usr", "var"), nil),
@ -36,7 +37,7 @@ func TestAutoRootOp(t *testing.T) {
{"apply", &Params{ParentPerm: 0750}, &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, []stub.Call{
call("readdir", stub.ExpectArgs{"/"}, stubDir("bin", "dev", "etc", "home", "lib64",
"lost+found", "mnt", "nix", "proc", "root", "run", "srv", "sys", "tmp", "usr", "var"), nil),
@ -57,7 +58,7 @@ func TestAutoRootOp(t *testing.T) {
{"success pd", &Params{ParentPerm: 0750}, &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, []stub.Call{
call("readdir", stub.ExpectArgs{"/"}, stubDir("bin", "dev", "etc", "home", "lib64",
"lost+found", "mnt", "nix", "proc", "root", "run", "srv", "sys", "tmp", "usr", "var"), nil),
@ -124,10 +125,10 @@ func TestAutoRootOp(t *testing.T) {
})
checkOpsBuilder(t, []opsBuilderTestCase{
{"pd", new(Ops).Root(check.MustAbs("/"), BindWritable), Ops{
{"pd", new(Ops).Root(check.MustAbs("/"), bits.BindWritable), Ops{
&AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
},
}},
})
@ -137,42 +138,42 @@ func TestAutoRootOp(t *testing.T) {
{"internal ne", &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
resolved: []*BindMountOp{new(BindMountOp)},
}, true},
{"flags differs", &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable | BindDevice,
Flags: bits.BindWritable | bits.BindDevice,
}, &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, false},
{"host differs", &AutoRootOp{
Host: check.MustAbs("/tmp/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, false},
{"equals", &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, true},
})
checkOpMeta(t, []opMetaTestCase{
{"root", &AutoRootOp{
Host: check.MustAbs("/"),
Flags: BindWritable,
Flags: bits.BindWritable,
}, "setting up", `auto root "/" flags 0x2`},
})
}

13
container/bits/bits.go Normal file
View File

@ -0,0 +1,13 @@
// Package bits contains constants for configuring the container.
package bits
const (
// BindOptional skips nonexistent host paths.
BindOptional = 1 << iota
// BindWritable mounts filesystem read-write.
BindWritable
// BindDevice allows access to devices (special files) on this filesystem.
BindDevice
// BindEnsure attempts to create the host path if it does not exist.
BindEnsure
)

66
container/init_test.go
View File

@ -350,7 +350,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(nil, nil, BindDevice),
Ops: new(Ops).Bind(nil, nil, bits.BindDevice),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -388,7 +388,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -427,7 +427,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -466,7 +466,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -506,7 +506,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -547,7 +547,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -589,7 +589,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -632,7 +632,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -676,7 +676,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -721,7 +721,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -767,7 +767,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -822,7 +822,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -877,7 +877,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -933,7 +933,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -990,7 +990,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1049,7 +1049,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1109,7 +1109,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1170,7 +1170,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1232,7 +1232,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1295,7 +1295,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1359,7 +1359,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1424,7 +1424,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1490,7 +1490,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1564,7 +1564,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1671,7 +1671,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1779,7 +1779,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,
@ -1889,7 +1889,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 24,
Gid: 1 << 47,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompDisable: true,
ParentPerm: 0750,
@ -2003,7 +2003,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 24,
Gid: 1 << 47,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompDisable: true,
ParentPerm: 0750,
@ -2103,7 +2103,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 24,
Gid: 1 << 47,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompDisable: true,
ParentPerm: 0750,
@ -2194,7 +2194,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 24,
Gid: 1 << 47,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompDisable: true,
ParentPerm: 0750,
@ -2287,7 +2287,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 24,
Gid: 1 << 47,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompDisable: true,
ParentPerm: 0750,
@ -2387,7 +2387,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 24,
Gid: 1 << 47,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompDisable: true,
ParentPerm: 0750,
@ -2523,7 +2523,7 @@ func TestInitEntrypoint(t *testing.T) {
Uid: 1 << 32,
Gid: 1 << 31,
Hostname: "hakurei-check",
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), BindDevice).Proc(check.MustAbs("/proc/")),
Ops: new(Ops).Bind(check.MustAbs("/"), check.MustAbs("/"), bits.BindDevice).Proc(check.MustAbs("/proc/")),
SeccompRules: make([]seccomp.NativeRule, 0),
SeccompPresets: bits.PresetStrict,
RetainSession: true,

24
container/initbind.go
View File

@ -6,6 +6,7 @@ import (
"os"
"syscall"
"hakurei.app/container/bits"
"hakurei.app/container/check"
)
@ -25,32 +26,21 @@ type BindMountOp struct {
Flags int
}
const (
// BindOptional skips nonexistent host paths.
BindOptional = 1 << iota
// BindWritable mounts filesystem read-write.
BindWritable
// BindDevice allows access to devices (special files) on this filesystem.
BindDevice
// BindEnsure attempts to create the host path if it does not exist.
BindEnsure
)
func (b *BindMountOp) Valid() bool {
return b != nil &&
b.Source != nil && b.Target != nil &&
b.Flags&(BindOptional|BindEnsure) != (BindOptional|BindEnsure)
b.Flags&(bits.BindOptional|bits.BindEnsure) != (bits.BindOptional|bits.BindEnsure)
}
func (b *BindMountOp) early(_ *setupState, k syscallDispatcher) error {
if b.Flags&BindEnsure != 0 {
if b.Flags&bits.BindEnsure != 0 {
if err := k.mkdirAll(b.Source.String(), 0700); err != nil {
return err
}
}
if pathname, err := k.evalSymlinks(b.Source.String()); err != nil {
if os.IsNotExist(err) && b.Flags&BindOptional != 0 {
if os.IsNotExist(err) && b.Flags&bits.BindOptional != 0 {
// leave sourceFinal as nil
return nil
}
@ -63,7 +53,7 @@ func (b *BindMountOp) early(_ *setupState, k syscallDispatcher) error {
func (b *BindMountOp) apply(state *setupState, k syscallDispatcher) error {
if b.sourceFinal == nil {
if b.Flags&BindOptional == 0 {
if b.Flags&bits.BindOptional == 0 {
// unreachable
return OpStateError("bind")
}
@ -86,10 +76,10 @@ func (b *BindMountOp) apply(state *setupState, k syscallDispatcher) error {
}
var flags uintptr = syscall.MS_REC
if b.Flags&BindWritable == 0 {
if b.Flags&bits.BindWritable == 0 {
flags |= syscall.MS_RDONLY
}
if b.Flags&BindDevice == 0 {
if b.Flags&bits.BindDevice == 0 {
flags |= syscall.MS_NODEV
}

21
container/initbind_test.go
View File

@ -6,6 +6,7 @@ import (
"syscall"
"testing"
"hakurei.app/container/bits"
"hakurei.app/container/check"
"hakurei.app/container/stub"
)
@ -22,7 +23,7 @@ func TestBindMountOp(t *testing.T) {
{"skip optional", new(Params), &BindMountOp{
Source: check.MustAbs("/bin/"),
Target: check.MustAbs("/bin/"),
Flags: BindOptional,
Flags: bits.BindOptional,
}, []stub.Call{
call("evalSymlinks", stub.ExpectArgs{"/bin/"}, "", syscall.ENOENT),
}, nil, nil, nil},
@ -30,7 +31,7 @@ func TestBindMountOp(t *testing.T) {
{"success optional", new(Params), &BindMountOp{
Source: check.MustAbs("/bin/"),
Target: check.MustAbs("/bin/"),
Flags: BindOptional,
Flags: bits.BindOptional,
}, []stub.Call{
call("evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", nil),
}, nil, []stub.Call{
@ -43,7 +44,7 @@ func TestBindMountOp(t *testing.T) {
{"ensureFile device", new(Params), &BindMountOp{
Source: check.MustAbs("/dev/null"),
Target: check.MustAbs("/dev/null"),
Flags: BindWritable | BindDevice,
Flags: bits.BindWritable | bits.BindDevice,
}, []stub.Call{
call("evalSymlinks", stub.ExpectArgs{"/dev/null"}, "/dev/null", nil),
}, nil, []stub.Call{
@ -54,7 +55,7 @@ func TestBindMountOp(t *testing.T) {
{"mkdirAll ensure", new(Params), &BindMountOp{
Source: check.MustAbs("/bin/"),
Target: check.MustAbs("/bin/"),
Flags: BindEnsure,
Flags: bits.BindEnsure,
}, []stub.Call{
call("mkdirAll", stub.ExpectArgs{"/bin/", os.FileMode(0700)}, nil, stub.UniqueError(4)),
}, stub.UniqueError(4), nil, nil},
@ -62,7 +63,7 @@ func TestBindMountOp(t *testing.T) {
{"success ensure", new(Params), &BindMountOp{
Source: check.MustAbs("/bin/"),
Target: check.MustAbs("/usr/bin/"),
Flags: BindEnsure,
Flags: bits.BindEnsure,
}, []stub.Call{
call("mkdirAll", stub.ExpectArgs{"/bin/", os.FileMode(0700)}, nil, nil),
call("evalSymlinks", stub.ExpectArgs{"/bin/"}, "/usr/bin", nil),
@ -76,7 +77,7 @@ func TestBindMountOp(t *testing.T) {
{"success device ro", new(Params), &BindMountOp{
Source: check.MustAbs("/dev/null"),
Target: check.MustAbs("/dev/null"),
Flags: BindDevice,
Flags: bits.BindDevice,
}, []stub.Call{
call("evalSymlinks", stub.ExpectArgs{"/dev/null"}, "/dev/null", nil),
}, nil, []stub.Call{
@ -89,7 +90,7 @@ func TestBindMountOp(t *testing.T) {
{"success device", new(Params), &BindMountOp{
Source: check.MustAbs("/dev/null"),
Target: check.MustAbs("/dev/null"),
Flags: BindWritable | BindDevice,
Flags: bits.BindWritable | bits.BindDevice,
}, []stub.Call{
call("evalSymlinks", stub.ExpectArgs{"/dev/null"}, "/dev/null", nil),
}, nil, []stub.Call{
@ -176,7 +177,7 @@ func TestBindMountOp(t *testing.T) {
{"zero", new(BindMountOp), false},
{"nil source", &BindMountOp{Target: check.MustAbs("/")}, false},
{"nil target", &BindMountOp{Source: check.MustAbs("/")}, false},
{"flag optional ensure", &BindMountOp{Source: check.MustAbs("/"), Target: check.MustAbs("/"), Flags: BindOptional | BindEnsure}, false},
{"flag optional ensure", &BindMountOp{Source: check.MustAbs("/"), Target: check.MustAbs("/"), Flags: bits.BindOptional | bits.BindEnsure}, false},
{"valid", &BindMountOp{Source: check.MustAbs("/"), Target: check.MustAbs("/")}, true},
})
@ -211,7 +212,7 @@ func TestBindMountOp(t *testing.T) {
}, &BindMountOp{
Source: check.MustAbs("/etc/"),
Target: check.MustAbs("/etc/.host/048090b6ed8f9ebb10e275ff5d8c0659"),
Flags: BindOptional,
Flags: bits.BindOptional,
}, false},
{"source differs", &BindMountOp{
@ -250,7 +251,7 @@ func TestBindMountOp(t *testing.T) {
{"hostdev", &BindMountOp{
Source: check.MustAbs("/dev/"),
Target: check.MustAbs("/dev/"),
Flags: BindWritable | BindDevice,
Flags: bits.BindWritable | bits.BindDevice,
}, "mounting", `"/dev/" flags 0x6`},
})
}

10
hst/fsbind.go
View File

@ -4,7 +4,7 @@ import (
"encoding/gob"
"strings"
"hakurei.app/container"
"hakurei.app/container/bits"
"hakurei.app/container/check"
"hakurei.app/container/fhs"
)
@ -96,16 +96,16 @@ func (b *FSBind) Apply(z *ApplyState) {
}
var flags int
if b.Write {
flags |= container.BindWritable
flags |= bits.BindWritable
}
if b.Device {
flags |= container.BindDevice | container.BindWritable
flags |= bits.BindDevice | bits.BindWritable
}
if b.Ensure {
flags |= container.BindEnsure
flags |= bits.BindEnsure
}
if b.Optional {
flags |= container.BindOptional
flags |= bits.BindOptional
}
switch {

13
hst/fsbind_test.go
View File

@ -4,6 +4,7 @@ import (
"testing"
"hakurei.app/container"
"hakurei.app/container/bits"
"hakurei.app/hst"
)
@ -21,7 +22,7 @@ func TestFSBind(t *testing.T) {
}, true, container.Ops{&container.BindMountOp{
Source: m("/mnt/dev"),
Target: m("/dev"),
Flags: container.BindWritable | container.BindDevice | container.BindOptional,
Flags: bits.BindWritable | bits.BindDevice | bits.BindOptional,
}}, m("/dev"), ms("/mnt/dev"),
"d+/mnt/dev:/dev"},
@ -33,7 +34,7 @@ func TestFSBind(t *testing.T) {
}, true, container.Ops{&container.BindMountOp{
Source: m("/mnt/dev"),
Target: m("/dev"),
Flags: container.BindWritable | container.BindDevice | container.BindEnsure,
Flags: bits.BindWritable | bits.BindDevice | bits.BindEnsure,
}}, m("/dev"), ms("/mnt/dev"),
"d-/mnt/dev:/dev"},
@ -45,7 +46,7 @@ func TestFSBind(t *testing.T) {
}, true, container.Ops{&container.BindMountOp{
Source: m("/mnt/dev"),
Target: m("/dev"),
Flags: container.BindWritable | container.BindDevice,
Flags: bits.BindWritable | bits.BindDevice,
}}, m("/dev"), ms("/mnt/dev"),
"d*/mnt/dev:/dev"},
@ -56,7 +57,7 @@ func TestFSBind(t *testing.T) {
}, true, container.Ops{&container.BindMountOp{
Source: m("/mnt/tmp"),
Target: m("/tmp"),
Flags: container.BindWritable,
Flags: bits.BindWritable,
}}, m("/tmp"), ms("/mnt/tmp"),
"w*/mnt/tmp:/tmp"},
@ -95,7 +96,7 @@ func TestFSBind(t *testing.T) {
Special: true,
}, true, container.Ops{&container.AutoRootOp{
Host: m("/"),
Flags: container.BindWritable,
Flags: bits.BindWritable,
}}, m("/"), ms("/"), "autoroot:w"},
{"autoroot silly", &hst.FSBind{
@ -105,7 +106,7 @@ func TestFSBind(t *testing.T) {
Special: true,
}, true, container.Ops{&container.AutoRootOp{
Host: m("/etc"),
Flags: container.BindWritable,
Flags: bits.BindWritable,
}}, m("/"), ms("/etc"), "autoroot:w:/etc"},
{"autoetc", &hst.FSBind{

36
internal/app/app_test.go
View File

@ -93,20 +93,20 @@ func TestApp(t *testing.T) {
"XDG_SESSION_TYPE=tty",
},
Ops: new(container.Ops).
Root(m("/"), container.BindWritable).
Root(m("/"), bits.BindWritable).
Proc(m("/proc/")).
Tmpfs(hst.AbsTmp, 4096, 0755).
DevWritable(m("/dev/"), true).
Tmpfs(m("/dev/shm"), 0, 01777).
Bind(m("/dev/kvm"), m("/dev/kvm"), container.BindWritable|container.BindDevice|container.BindOptional).
Bind(m("/dev/kvm"), m("/dev/kvm"), bits.BindWritable|bits.BindDevice|bits.BindOptional).
Etc(m("/etc/"), "4a450b6596d7bc15bd01780eb9a607ac").
Tmpfs(m("/run/user/1971"), 8192, 0755).
Tmpfs(m("/run/nscd"), 8192, 0755).
Tmpfs(m("/run/dbus"), 8192, 0755).
Remount(m("/dev/"), syscall.MS_RDONLY).
Tmpfs(m("/run/user/"), 4096, 0755).
Bind(m("/tmp/hakurei.0/runtime/0"), m("/run/user/65534"), container.BindWritable).
Bind(m("/tmp/hakurei.0/tmpdir/0"), m("/tmp/"), container.BindWritable).
Bind(m("/tmp/hakurei.0/runtime/0"), m("/run/user/65534"), bits.BindWritable).
Bind(m("/tmp/hakurei.0/tmpdir/0"), m("/tmp/"), bits.BindWritable).
Place(m("/etc/passwd"), []byte("chronos:x:65534:65534:Hakurei:/home/chronos:/run/current-system/sw/bin/zsh\n")).
Place(m("/etc/group"), []byte("hakurei:x:65534:\n")).
Remount(m("/"), syscall.MS_RDONLY),
@ -260,21 +260,21 @@ func TestApp(t *testing.T) {
"XDG_SESSION_TYPE=tty",
},
Ops: new(container.Ops).
Root(m("/"), container.BindWritable).
Root(m("/"), bits.BindWritable).
Proc(m("/proc/")).
Tmpfs(hst.AbsTmp, 4096, 0755).
DevWritable(m("/dev/"), true).
Tmpfs(m("/dev/shm"), 0, 01777).
Bind(m("/dev/dri"), m("/dev/dri"), container.BindWritable|container.BindDevice|container.BindOptional).
Bind(m("/dev/kvm"), m("/dev/kvm"), container.BindWritable|container.BindDevice|container.BindOptional).
Bind(m("/dev/dri"), m("/dev/dri"), bits.BindWritable|bits.BindDevice|bits.BindOptional).
Bind(m("/dev/kvm"), m("/dev/kvm"), bits.BindWritable|bits.BindDevice|bits.BindOptional).
Etc(m("/etc/"), "ebf083d1b175911782d413369b64ce7c").
Tmpfs(m("/run/user/1971"), 8192, 0755).
Tmpfs(m("/run/nscd"), 8192, 0755).
Tmpfs(m("/run/dbus"), 8192, 0755).
Remount(m("/dev/"), syscall.MS_RDONLY).
Tmpfs(m("/run/user/"), 4096, 0755).
Bind(m("/tmp/hakurei.0/runtime/9"), m("/run/user/65534"), container.BindWritable).
Bind(m("/tmp/hakurei.0/tmpdir/9"), m("/tmp/"), container.BindWritable).
Bind(m("/tmp/hakurei.0/runtime/9"), m("/run/user/65534"), bits.BindWritable).
Bind(m("/tmp/hakurei.0/tmpdir/9"), m("/tmp/"), bits.BindWritable).
Place(m("/etc/passwd"), []byte("chronos:x:65534:65534:Hakurei:/home/chronos:/run/current-system/sw/bin/zsh\n")).
Place(m("/etc/group"), []byte("hakurei:x:65534:\n")).
Bind(m("/tmp/hakurei.0/ebf083d1b175911782d413369b64ce7c/wayland"), m("/run/user/65534/wayland-0"), 0).
@ -412,19 +412,19 @@ func TestApp(t *testing.T) {
Bind(m("/usr/bin/"), m("/usr/bin/"), 0).
Bind(m("/nix/store"), m("/nix/store"), 0).
Bind(m("/run/current-system"), m("/run/current-system"), 0).
Bind(m("/sys/block"), m("/sys/block"), container.BindOptional).
Bind(m("/sys/bus"), m("/sys/bus"), container.BindOptional).
Bind(m("/sys/class"), m("/sys/class"), container.BindOptional).
Bind(m("/sys/dev"), m("/sys/dev"), container.BindOptional).
Bind(m("/sys/devices"), m("/sys/devices"), container.BindOptional).
Bind(m("/sys/block"), m("/sys/block"), bits.BindOptional).
Bind(m("/sys/bus"), m("/sys/bus"), bits.BindOptional).
Bind(m("/sys/class"), m("/sys/class"), bits.BindOptional).
Bind(m("/sys/dev"), m("/sys/dev"), bits.BindOptional).
Bind(m("/sys/devices"), m("/sys/devices"), bits.BindOptional).
Bind(m("/run/opengl-driver"), m("/run/opengl-driver"), 0).
Bind(m("/dev/dri"), m("/dev/dri"), container.BindDevice|container.BindWritable|container.BindOptional).
Bind(m("/dev/dri"), m("/dev/dri"), bits.BindDevice|bits.BindWritable|bits.BindOptional).
Etc(m("/etc/"), "8e2c76b066dabe574cf073bdb46eb5c1").
Bind(m("/var/lib/persist/module/hakurei/0/1"), m("/var/lib/persist/module/hakurei/0/1"), container.BindWritable|container.BindEnsure).
Bind(m("/var/lib/persist/module/hakurei/0/1"), m("/var/lib/persist/module/hakurei/0/1"), bits.BindWritable|bits.BindEnsure).
Remount(m("/dev/"), syscall.MS_RDONLY).
Tmpfs(m("/run/user/"), 4096, 0755).
Bind(m("/tmp/hakurei.0/runtime/1"), m("/run/user/1971"), container.BindWritable).
Bind(m("/tmp/hakurei.0/tmpdir/1"), m("/tmp/"), container.BindWritable).
Bind(m("/tmp/hakurei.0/runtime/1"), m("/run/user/1971"), bits.BindWritable).
Bind(m("/tmp/hakurei.0/tmpdir/1"), m("/tmp/"), bits.BindWritable).
Place(m("/etc/passwd"), []byte("u0_a1:x:1971:100:Hakurei:/var/lib/persist/module/hakurei/0/1:/run/current-system/sw/bin/zsh\n")).
Place(m("/etc/group"), []byte("hakurei:x:100:\n")).
Bind(m("/run/user/1971/wayland-0"), m("/run/user/1971/wayland-0"), 0).

2
internal/app/spcontainer.go
View File

@ -104,7 +104,7 @@ func (s *spParamsOp) toContainer(state *outcomeStateParams) error {
if !state.Container.Device {
state.params.DevWritable(fhs.AbsDev, true)
} else {
state.params.Bind(fhs.AbsDev, fhs.AbsDev, container.BindWritable|container.BindDevice)
state.params.Bind(fhs.AbsDev, fhs.AbsDev, bits.BindWritable|bits.BindDevice)
}
// /dev is mounted readonly later on, this prevents /dev/shm from going readonly with it
state.params.Tmpfs(fhs.AbsDev.Append("shm"), 0, 01777)

4
internal/app/spruntime.go
View File

@ -1,7 +1,7 @@
package app
import (
"hakurei.app/container"
"hakurei.app/container/bits"
"hakurei.app/container/check"
"hakurei.app/container/fhs"
"hakurei.app/hst"
@ -35,7 +35,7 @@ func (s spRuntimeOp) toContainer(state *outcomeStateParams) error {
_, runtimeDirInst := s.commonPaths(state.outcomeState)
state.params.Tmpfs(fhs.AbsRunUser, 1<<12, 0755)
state.params.Bind(runtimeDirInst, state.runtimeDir, container.BindWritable)
state.params.Bind(runtimeDirInst, state.runtimeDir, bits.BindWritable)
return nil
}

4
internal/app/sptmpdir.go
View File

@ -1,7 +1,7 @@
package app
import (
"hakurei.app/container"
"hakurei.app/container/bits"
"hakurei.app/container/check"
"hakurei.app/container/fhs"
"hakurei.app/hst"
@ -24,7 +24,7 @@ func (s spTmpdirOp) toSystem(state *outcomeStateSys, _ *hst.Config) error {
func (s spTmpdirOp) toContainer(state *outcomeStateParams) error {
// mount inner /tmp from share so it shares persistence and storage behaviour of host /tmp
_, tmpdirInst := s.commonPaths(state.outcomeState)
state.params.Bind(tmpdirInst, fhs.AbsTmp, container.BindWritable)
state.params.Bind(tmpdirInst, fhs.AbsTmp, bits.BindWritable)
return nil
}

2
system/dbus/proc.go
View File

@ -114,7 +114,7 @@ func (p *Proxy) Start() error {
check.SortAbs(sockDirPaths)
sockDirPaths = check.CompactAbs(sockDirPaths)
for _, name := range sockDirPaths {
z.Bind(name, name, container.BindWritable)
z.Bind(name, name, bits.BindWritable)
}
// xdg-dbus-proxy bin path