Security-55163.44.tar.gz

[apple/security.git] / libsecurity_codesigning / lib / renum.cpp

diff --git a/libsecurity_codesigning/lib/renum.cpp b/libsecurity_codesigning/lib/renum.cpp
new file mode 100644 (file)
index 0000000..a5b8e78
--- /dev/null
+++ b/libsecurity_codesigning/lib/renum.cpp
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * 
+ * @APPLE_LICENSE_HEADER_START@
+ * 
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
+ * 
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ * 
+ * @APPLE_LICENSE_HEADER_END@
+ */
+
+//
+// renum - enumerator for code (usually bundle) resources
+//
+#include "renum.h"
+#include <security_utilities/unix++.h>
+#include <security_utilities/debugging.h>
+
+namespace Security {
+namespace CodeSigning {
+
+using namespace UnixPlusPlus;
+
+
+ResourceEnumerator::ResourceEnumerator(string path)
+       : mPath(path)
+{
+       assert(!mPath.empty());
+       const char * paths[2] = { path.c_str(), NULL };
+       mFTS = fts_open((char * const *)paths, FTS_PHYSICAL | FTS_COMFOLLOW | FTS_NOCHDIR, NULL);
+       if (!mFTS)
+               UnixError::throwMe();
+}
+
+ResourceEnumerator::~ResourceEnumerator()
+{
+       checkError(fts_close(mFTS));
+}
+
+
+FTSENT *ResourceEnumerator::next(string &path)
+{
+       while (FTSENT *ent = fts_read(mFTS)) {
+               switch (ent->fts_info) {
+               case FTS_F:
+                       path = ent->fts_path + mPath.size() + 1;        // skip prefix + "/"
+                       return ent;
+               case FTS_D:
+                       secdebug("rdirenum", "entering %s", ent->fts_path);
+                       break;
+               case FTS_DP:
+                       secdebug("rdirenum", "leaving %s", ent->fts_path);
+                       break;
+               case FTS_SL:
+                       secdebug("rdirenum", "symlink ignored: %s", ent->fts_path);
+                       break;
+               default:
+                       secdebug("rdirenum", "type %d (errno %d): %s",
+                               ent->fts_info, ent->fts_errno, ent->fts_path);
+                       break;
+               }
+       }
+       return NULL;
+}
+
+
+} // end namespace CodeSigning
+} // end namespace Security