Security-55163.44.tar.gz

[apple/security.git] / libsecurity_utilities / lib / coderepository.cpp

diff --git a/libsecurity_utilities/lib/coderepository.cpp b/libsecurity_utilities/lib/coderepository.cpp
new file mode 100644 (file)
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+++ b/libsecurity_utilities/lib/coderepository.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2004 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@
+ */
+
+
+//
+// CodeRepository - directory search paths for bundles
+//
+#include <security_utilities/coderepository.h>
+#include <security_utilities/debugging.h>
+
+
+namespace Security {
+
+
+PathList::PathList()
+{
+}
+
+
+PathList::PathList(const string &subPath,
+               const char *suffix /* = NULL */,
+               const char *envar /* = NULL */,
+               bool forUser /* = true */)
+       : mSuffix(suffix)
+{
+       if (envar)
+               if (const char *envPath = getenv(envar)) {
+#if !defined(NDEBUG)
+                       if (envPath[0] == '!') {
+                               // envar="!path" -> single-item override (debugging only)
+                               mDebugOverride = envPath + 1;
+                               secdebug("pathlist", "%p env(\"%s\") overrides to \"%s\"",
+                                       this, envar, mDebugOverride.c_str());
+                               return;
+                       }
+#endif //NDEBUG
+
+                       // treat envPath as a classic colon-separated list of directories
+                       secdebug("pathlist", "%p configuring from env(\"%s\")", this, envar);
+                       while (const char *p = strchr(envPath, ':')) {
+                               addDirectory(string(envPath, p - envPath));
+                               envPath = p + 1;
+                       }
+                       addDirectory(envPath);
+                       return;
+               }
+
+       // no joy from environment variables
+       secdebug("pathlist", "%p configuring from default path set \"%s\"", this, subPath.c_str());
+       if (forUser)
+               secdebug("pathlist", "user search list not yet implemented");
+       addDirectory("/Library/" + subPath);
+       addDirectory("/System/Library/" + subPath);
+}
+
+
+PathList::~PathList()
+{
+       // virtual
+}
+
+
+void PathList::addDirectory(const string &dirPath)
+{
+       //@@@ validate dirPath?
+       mPaths.push_back(dirPath);
+}
+
+
+}      // end namespace Security