system: move out of internal

Signed-off-by: Ophestra <cat@gensokyo.uk>

system/acl_test.go

@@ -0,0 +1,90 @@
+package system
+
+import (
+	"testing"
+
+	"git.gensokyo.uk/security/fortify/acl"
+)
+
+func TestUpdatePerm(t *testing.T) {
+	testCases := []struct {
+		path  string
+		perms []acl.Perm
+	}{
+		{"/run/user/1971/fortify", []acl.Perm{acl.Execute}},
+		{"/tmp/fortify.1971/tmpdir/150", []acl.Perm{acl.Read, acl.Write, acl.Execute}},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.path+permSubTestSuffix(tc.perms), func(t *testing.T) {
+			sys := New(150)
+			sys.UpdatePerm(tc.path, tc.perms...)
+			(&tcOp{Process, tc.path}).test(t, sys.ops, []Op{&ACL{Process, tc.path, tc.perms}}, "UpdatePerm")
+		})
+	}
+}
+
+func TestUpdatePermType(t *testing.T) {
+	testCases := []struct {
+		perms []acl.Perm
+		tcOp
+	}{
+		{[]acl.Perm{acl.Execute}, tcOp{User, "/tmp/fortify.1971/tmpdir"}},
+		{[]acl.Perm{acl.Read, acl.Write, acl.Execute}, tcOp{User, "/tmp/fortify.1971/tmpdir/150"}},
+		{[]acl.Perm{acl.Execute}, tcOp{Process, "/run/user/1971/fortify/fcb8a12f7c482d183ade8288c3de78b5"}},
+		{[]acl.Perm{acl.Read}, tcOp{Process, "/tmp/fortify.1971/fcb8a12f7c482d183ade8288c3de78b5/passwd"}},
+		{[]acl.Perm{acl.Read}, tcOp{Process, "/tmp/fortify.1971/fcb8a12f7c482d183ade8288c3de78b5/group"}},
+		{[]acl.Perm{acl.Read, acl.Write, acl.Execute}, tcOp{EWayland, "/run/user/1971/wayland-0"}},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.path+"_"+TypeString(tc.et)+permSubTestSuffix(tc.perms), func(t *testing.T) {
+			sys := New(150)
+			sys.UpdatePermType(tc.et, tc.path, tc.perms...)
+			tc.test(t, sys.ops, []Op{&ACL{tc.et, tc.path, tc.perms}}, "UpdatePermType")
+		})
+	}
+}
+
+func TestACL_String(t *testing.T) {
+	testCases := []struct {
+		want  string
+		et    Enablement
+		perms []acl.Perm
+	}{
+		{`--- type: Process path: "/nonexistent"`, Process, []acl.Perm{}},
+		{`r-- type: User path: "/nonexistent"`, User, []acl.Perm{acl.Read}},
+		{`-w- type: Wayland path: "/nonexistent"`, EWayland, []acl.Perm{acl.Write}},
+		{`--x type: X11 path: "/nonexistent"`, EX11, []acl.Perm{acl.Execute}},
+		{`rw- type: D-Bus path: "/nonexistent"`, EDBus, []acl.Perm{acl.Read, acl.Write}},
+		{`r-x type: PulseAudio path: "/nonexistent"`, EPulse, []acl.Perm{acl.Read, acl.Execute}},
+		{`rwx type: User path: "/nonexistent"`, User, []acl.Perm{acl.Read, acl.Write, acl.Execute}},
+		{`rwx type: Process path: "/nonexistent"`, Process, []acl.Perm{acl.Read, acl.Write, acl.Write, acl.Execute}},
+	}
+
+	for _, tc := range testCases {
+		t.Run(tc.want, func(t *testing.T) {
+			a := &ACL{et: tc.et, perms: tc.perms, path: "/nonexistent"}
+			if got := a.String(); got != tc.want {
+				t.Errorf("String() = %v, want %v",
+					got, tc.want)
+			}
+		})
+	}
+}
+
+func permSubTestSuffix(perms []acl.Perm) (suffix string) {
+	for _, perm := range perms {
+		switch perm {
+		case acl.Read:
+			suffix += "_read"
+		case acl.Write:
+			suffix += "_write"
+		case acl.Execute:
+			suffix += "_execute"
+		default:
+			panic("unreachable")
+		}
+	}
+	return
+}