Security-58286.1.32.tar.gz

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

diff --git a/OSX/libsecurity_codesigning/lib/SecStaticCode.cpp b/OSX/libsecurity_codesigning/lib/SecStaticCode.cpp
index f4889f6972eca115f73f8090d5c55651686b78e2..3d96abd051ef60ad52fe09dfcc0155fa8b0ae954 100644 (file)
--- a/OSX/libsecurity_codesigning/lib/SecStaticCode.cpp
+++ b/OSX/libsecurity_codesigning/lib/SecStaticCode.cpp
@@ -121,6 +121,7 @@ OSStatus SecStaticCodeCheckValidityWithErrors(SecStaticCodeRef staticCodeRef, Se
                | kSecCSCheckGatekeeperArchitectures
                | kSecCSRestrictSymlinks
                | kSecCSRestrictToAppLike
+        | kSecCSUseSoftwareSigningCert
        );
 
        if (errors)
@@ -132,6 +133,20 @@ OSStatus SecStaticCodeCheckValidityWithErrors(SecStaticCodeRef staticCodeRef, Se
        DTRACK(CODESIGN_EVAL_STATIC, code, (char*)code->mainExecutablePath().c_str());
        code->staticValidate(flags, req);
 
+#if TARGET_OS_IPHONE
+    // Everything checked out correctly but we need to make sure that when
+    // we validated the code directory, we trusted the signer.  We defer this
+    // until now because the caller may still trust the signer via a
+    // provisioning profile so if we prematurely throw an error when validating
+    // the directory, we potentially skip resource validation even though the
+    // caller will go on to trust the signature
+    // <rdar://problem/6075501> Applications that are validated against a provisioning profile do not have their resources checked
+    if (code->trustedSigningCertChain() == false) {
+        return CSError::cfError(errors, errSecCSSignatureUntrusted);
+    }
+#endif
+
+
        END_CSAPI_ERRORS
 }
 
@@ -222,7 +237,7 @@ OSStatus SecCodeMapMemory(SecStaticCodeRef codeRef, SecCSFlags flags)
        checkFlags(flags);
        SecPointer<SecStaticCode> code = SecStaticCode::requiredStatic(codeRef);
        if (const CodeDirectory *cd = code->codeDirectory(false)) {
-               fsignatures args = { code->diskRep()->signingBase(), (void *)cd, cd->length() };
+               fsignatures args = { static_cast<off_t>(code->diskRep()->signingBase()), (void *)cd, cd->length() };
                UnixError::check(::fcntl(code->diskRep()->fd(), F_ADDSIGS, &args));
        } else
                MacOSError::throwMe(errSecCSUnsigned);