rework ios-wrapper cli parsing

macho-go/internal/wrapper/action/remove_classic_symbols.go

@@ -7,7 +7,7 @@ import (
 type removeClassicSymbol struct{}
 
 func (action *removeClassicSymbol) withMacho(mf *MachoFile) error {
-	mf.Context().RemoveClassicSymbol()
+	mf.Context().RemoveSymbolTable()
 	return nil
 }
 

macho-go/internal/wrapper/action/remove_exports.go

@@ -0,0 +1,21 @@
+package action
+
+import (
+	. "ios-wrapper/internal/wrapper/ofile"
+)
+
+type removeExports struct{}
+
+func (action *removeExports) withMacho(mf *MachoFile) error {
+	mf.Context().RemoveExportTrie()
+	return nil
+}
+
+func (action *removeExports) withFat(ff *FatFile) error {
+	return defaultWithFat(action, ff)
+}
+
+func NewRemoveExportsAction() *removeExports {
+	return &removeExports{}
+}
+

macho-go/internal/wrapper/action/save_imports.go

@@ -0,0 +1,71 @@
+package action
+
+import (
+  "fmt"
+	// log "github.com/sirupsen/logrus"
+
+	. "ios-wrapper/internal/wrapper/ofile"
+	"ios-wrapper/pkg/protomodel"
+)
+
+type saveImports struct{}
+
+func (action *saveImports) withMacho(mf *MachoFile) error {
+  calculateHash := func(name string) uint32 {
+    var h uint32 = 0x811c9dc5
+    for _, s := range name {
+      h ^= uint32(s)
+      h *= 0x01000193
+    }
+    return h
+  }
+
+  mc := mf.Context()
+	symbols := []*protomodel.MachoInfo_BindSymbol{}
+  fmt.Println("struct imported_symbol {const char* name; const char* lib; uint32_t hash; int segment_i; uint64_t offset;};")
+  fmt.Println("const char* lib_to_resolve = \"main\";")
+  fmt.Println("struct imported_symbol imported_table[] = {")
+  for _, symbol := range mc.CollectBindSymbols() {
+    if symbol.Type() != "lazy" {
+      continue
+    }
+    dylib_hash := calculateHash(symbol.Dylib())
+    seg := mc.Segments()[symbol.Segment()]
+
+    var offset uint64
+
+    if symbol.Address() >= seg.Vmaddr() {
+      // this is virtual address
+      offset = symbol.Address() - seg.Vmaddr()
+    } else {
+      // this is file address
+      offset = symbol.Address() - seg.Fileoff()
+    }
+
+    fmt.Printf("{\"%s\", \"%s\", 0x%x, 0x%x, 0x%x},\n",
+      symbol.Name(), symbol.Dylib(), dylib_hash, symbol.Segment(), offset);
+
+		symbols = append(symbols,
+			&protomodel.MachoInfo_BindSymbol{
+				Name: symbol.Name(),
+        Libname: symbol.Dylib(),
+        Libhash: dylib_hash,
+        Segment: symbol.Segment(),
+        Offset: offset,
+			})
+
+  }
+  fmt.Println("};")
+  fmt.Printf("uint32_t nimports = %d;\n", len(symbols));
+	mf.Info().Symbols = symbols
+	return nil
+}
+
+func (action *saveImports) withFat(ff *FatFile) error {
+	return defaultWithFat(action, ff)
+}
+
+func NewSaveImportsAction() *saveImports {
+	return &saveImports{}
+}
+