Security-59754.80.3.tar.gz

[apple/security.git] / OSX / libsecurity_codesigning / lib / signerutils.cpp

diff --git a/OSX/libsecurity_codesigning/lib/signerutils.cpp b/OSX/libsecurity_codesigning/lib/signerutils.cpp
index ec0cf4835045046971d8ec16f2e631152927eee3..f6da5e936cd7142612990322bafe4659a46568b7 100644 (file)
--- a/OSX/libsecurity_codesigning/lib/signerutils.cpp
+++ b/OSX/libsecurity_codesigning/lib/signerutils.cpp
@@ -262,7 +262,11 @@ void MachOEditor::reset(Arch &arch)
 
        for (auto type = mHashTypes.begin(); type != mHashTypes.end(); ++type) {
                arch.eachDigest(^(CodeDirectory::Builder& builder) {
-                       builder.reopen(tempPath, arch.source->offset(), arch.source->signingOffset());
+                       /* Signature editing may have no need for cd builders, and not
+                        * have opened them, so only reopen them conditionally. */
+                       if (builder.opened()) {
+                               builder.reopen(tempPath, arch.source->offset(), arch.source->signingOffset());
+                       }
                });
        }
 }