X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/b1ab9ed8d0e0f1c3b66d7daa8fd5564444c56195..e3d3b979fd185d8303f28a937baa53a187fb8c7d:/libsecurity_utilities/lib/dyldcache.cpp?ds=inline

diff --git a/libsecurity_utilities/lib/dyldcache.cpp b/libsecurity_utilities/lib/dyldcache.cpp
index e45f4e25..267e52d8 100644
--- a/libsecurity_utilities/lib/dyldcache.cpp
+++ b/libsecurity_utilities/lib/dyldcache.cpp
@@ -43,6 +43,9 @@ const DYLDCache::ArchType DYLDCache::architectures[] = {
 	{ 0 }
 };
 
+const DYLDCache::ArchType DYLDCache::defaultArchitecture =
+	{ 0, 0, "dyld_v1 default", "unknown", littleEndian };
+
 
 //
 // Architecture matching and lookup
@@ -60,6 +63,8 @@ const DYLDCache::ArchType *DYLDCache::matchArchitecture(const dyld_cache_header
 	for (const ArchType *arch = architectures; arch->cpu; arch++)
 		if (!strcmp(header.magic, arch->magic))
 			return arch;
+	if (!strncmp(header.magic, "dyld_v1 ", 8))
+		return &defaultArchitecture;
 	return NULL;
 }
 
@@ -78,8 +83,8 @@ DYLDCache::DYLDCache(const std::string &path)
 		UnixError::throwMe(ENOEXEC);
 	mFlip = *((const uint8_t *)&mArch->order) != 0x12;
 	
-	mSigStart = flip(mHeader->codeSignatureOffset);
-	mSigLength = flip(mHeader->codeSignatureSize);
+	mSigStart = (size_t)flip(mHeader->codeSignatureOffset);
+	mSigLength = (size_t)flip(mHeader->codeSignatureSize);
 }