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lua: validate script extension after resolving symlinks

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This commit is contained in:
Meo597
2026-10-14 23:12:30 +08:00
parent bd28a87f0b
commit e04191e65b
4 changed files with 85 additions and 9 deletions
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app/geodata/download_test.go
+10 -3
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@@ -40,11 +40,18 @@ func TestDownloadOneLuaGuard(t *testing.T) {
if err != nil {
t.Fatal(err)
}
data, err := os.ReadFile(staged.temp)
tx, err := swapAll([]stage{staged})
if err != nil {
t.Fatal(err)
}
if err := tx.commit(); err != nil {
t.Fatal(err)
}
data, err := os.ReadFile(staged.target)
if err != nil || string(data) != luaGuardHeader+tc.body {
t.Fatalf("downloaded data = % x, %v", data, err)
}
program, err := xlua.Compile(staged.temp)
program, err := xlua.Compile(staged.target)
var syntaxErr *parse.Error
if program != nil || !errors.As(err, &syntaxErr) || syntaxErr.Pos.Line != 1 || syntaxErr.Pos.Column != 1 {
t.Fatalf("want Lua rejection at the first byte, got %v, %v", program, err)
@@ -57,7 +64,7 @@ func TestDownloadOneLuaGuard(t *testing.T) {
if len(list.Entry) != 1 || list.Entry[0].Code != tc.code {
t.Fatalf("header changed geodata: %v", &list)
}
if _, err := commongeodata.ParseDomainRules([]string{"ext:" + filepath.Base(staged.temp) + ":" + tc.code}, commongeodata.Domain_Full); err != nil {
if _, err := commongeodata.ParseDomainRules([]string{"ext:" + filepath.Base(staged.target) + ":" + tc.code}, commongeodata.Domain_Full); err != nil {
t.Fatalf("geodata loader rejected the header: %v", err)
}
}