robogg133/packets
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Refactor logging and variable names for consistency; update log messages for clarity

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This commit is contained in:
roboogg133
2025-09-28 17:24:17 -03:00
parent 73171424e4
commit 17e1b4b3ab
4 changed files with 62 additions and 37 deletions
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2
internal/utils/lua/lua.go
View File

@@ -23,7 +23,7 @@ func GetSandBox(sandboxdir string) (lua.LState, error) {
L.SetGlobal("SAFE_MODE", lua.LTrue)
L.SetGlobal("PACKETS_DATADIR", lua.LString(cfg.Config.Data_d))
L.SetGlobal("PACKETS_BIN_DIR", lua.LString(cfg.Config.Bin_d))
L.SetGlobal("packets_bin_dir", lua.LString(cfg.Config.Bin_d))
L.SetGlobal("path_join", L.NewFunction(Ljoin))

62
internal/utils/lua/luafunctions.go
View File

@@ -119,15 +119,17 @@ func IsSafe(str string) bool {
func LSafeRemove(L *lua.LState) int {
filename := L.CheckString(1)
fmt.Printf(" remove %s\n", filename)
if !IsSafe(filename) {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] unsafe filepath"))
L.Push(lua.LString("unsafe filepath"))
return 2
}
err := os.RemoveAll(filename)
if err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] remove failed\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
L.Push(lua.LTrue)
@@ -139,15 +141,16 @@ func LSafeRename(L *lua.LState) int {
oldname := L.CheckString(1)
newname := L.CheckString(2)
fmt.Printf(" move %s -> %s\n", oldname, newname)
if !IsSafe(oldname) || !IsSafe(newname) {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] unsafe filepath"))
L.Push(lua.LString("unsafe filepath"))
return 2
}
if err := os.Rename(oldname, newname); err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] rename failed\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
@@ -158,6 +161,8 @@ func LSafeCopy(L *lua.LState) int {
oldname := L.CheckString(1)
newname := L.CheckString(2)
fmt.Printf(" copy %s -> %s\n", oldname, newname)
if !IsSafe(oldname) || !IsSafe(newname) {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] unsafe filepath"))
@@ -166,7 +171,7 @@ func LSafeCopy(L *lua.LState) int {
if err := utils.CopyDir(oldname, newname); err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] error while copy"))
L.Push(lua.LString(err.Error()))
return 2
}
@@ -180,6 +185,8 @@ func LSymlink(L *lua.LState) int {
fileName := L.CheckString(1)
destination := L.CheckString(2)
fmt.Printf(" symlink %s -> %s\n", fileName, destination)
if !IsSafe(fileName) || !IsSafe(destination) {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] unsafe filepath"))
@@ -189,7 +196,7 @@ func LSymlink(L *lua.LState) int {
_ = os.RemoveAll(destination)
if err := os.Symlink(fileName, destination); err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] symlink failed\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
@@ -223,13 +230,13 @@ func LOpen(L *lua.LState) int {
if !IsSafe(path) {
L.Push(lua.LNil)
L.Push(lua.LString("[packets] unsafe filepath"))
L.Push(lua.LString("unsafe filepath"))
return 2
}
file, err := os.OpenFile(path, modeFlags(mode), 0644)
if err != nil {
L.Push(lua.LNil)
L.Push(lua.LString("[packets] open failed\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
@@ -259,16 +266,17 @@ func Ljoin(L *lua.LState) int {
func LMkdir(L *lua.LState) int {
path := L.CheckString(1)
perm := L.CheckInt(2)
fmt.Printf(" mkdir %s \n", path)
if !IsSafe(path) {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] unsafe filepath\n"))
L.Push(lua.LString("unsafe filepath"))
return 2
}
if err := os.MkdirAll(path, os.FileMode(perm)); err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] mkdir failed\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
@@ -287,15 +295,14 @@ func LCompile(L *lua.LState) int {
tryintoacess, err := filepath.Abs(filepath.Clean(filepath.Join(SandboxDir, L.CheckString(i))))
if err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] invalid filepath\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
fmt.Printf("sandboxdir: (%s) acessto: (%s)\n", SandboxDir, tryintoacess)
rel, err := filepath.Rel(SandboxDir, tryintoacess)
if err != nil || strings.HasPrefix(rel, "..") {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] unsafe filepath"))
L.Push(lua.LString("unsafe filepath"))
return 2
}
}
@@ -306,21 +313,22 @@ func LCompile(L *lua.LState) int {
bin, suc := AllowedCmds[lang]
if !suc {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] unsupported language"))
L.Push(lua.LString("unsupported language"))
return 2
}
cmd := exec.Command(bin, args...)
cmd.Dir = SandboxDir
out, err := cmd.CombinedOutput()
fmt.Printf(" compiling with %s", bin)
if err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] compile failed\n" + err.Error() + "\n" + string(out)))
L.Push(lua.LString(err.Error() + "\n" + string(out)))
return 2
}
if err := cmd.Run(); err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] compile failed\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
@@ -338,18 +346,19 @@ func LCompileRequirements(L *lua.LState) int {
tryintoacess, err := filepath.Abs(filepath.Clean(L.CheckString(2)))
if err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] invalid filepath\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
if !strings.HasPrefix(tryintoacess, SandboxDir) {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] unsafe filepath"))
L.Push(lua.LString("unsafe filepath"))
return 2
}
}
var err error
fmt.Printf(" installing requirements with %s", cmdLang)
switch cmdLang {
case "python":
cmd := exec.Command("pip", "install", "--target", filepath.Join(SandboxDir, "tmp/build"), "-r", L.CheckString(2))
@@ -367,7 +376,7 @@ func LCompileRequirements(L *lua.LState) int {
if err != nil {
L.Push(lua.LFalse)
L.Push(lua.LString("[packets] requirements install failed\n" + err.Error()))
L.Push(lua.LString(err.Error()))
return 2
}
@@ -375,3 +384,18 @@ func LCompileRequirements(L *lua.LState) int {
L.Push(lua.LNil)
return 2
}
func LError(L *lua.LState) int {
n := L.GetTop()
parts := make([]any, 0, n)
for i := 1; i <= n; i++ {
val := L.Get(i)
parts = append(parts, val.String())
}
Llogger().Panic(parts...)
return 0
}
func Llogger() *log.Logger { return log.New(os.Stderr, " script error: ", 0) }