fix: check if an ELF is static

jm33-m0 · Jul 12, 2023 · d574330 · d574330
1 parent 177eaa2
commit d574330
Showing 1 changed file with 11 additions and 2 deletions.
diff --git a/core/lib/agent/elf.go b/core/lib/agent/elf.go
@@ -133,10 +133,19 @@ func FixELF(elf_path string) (err error) {
 func IsStaticELF(file_path string) bool {
  f, err := elf.Open(file_path)
  if err != nil {
- return false
+ fmt.Println("Error opening ELF file:", err)
+ os.Exit(1)
+
  }
  defer f.Close()
 
  // Check if the ELF file is statically linked
- return f.Type == elf.ET_EXEC || f.Type == elf.ET_DYN
+ isStaticallyLinked := true
+ for _, phdr := range f.Progs {
+ if phdr.Type == elf.PT_DYNAMIC {
+ isStaticallyLinked = false
+ break
+ }
+ }
+ return isStaticallyLinked
 }