ldd: implement strict ldd output parser

Fortify needs to internally resolve helper program sandbox config. They are considered trusted and runs under the privileged UID so ldd output is used to determine libraries they need inside the sandbox environment.

Signed-off-by: Ophestra Umiker <cat@ophivana.moe>

ldd/error.go

@@ -0,0 +1,11 @@
+package ldd
+
+import "fmt"
+
+type EntryUnexpectedSegmentsError struct {
+	Entry string
+}
+
+func (e *EntryUnexpectedSegmentsError) Error() string {
+	return fmt.Sprintf("unexpected segments in entry %q", e.Entry)
+}