1/*
2 * Copyright (c) 2004 Apple Computer, Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25//
26// CodeRepository - directory search paths for bundles
27//
28#include <security_utilities/coderepository.h>
29#include <security_utilities/debugging.h>
30
31
32namespace Security {
33
34
35PathList::PathList()
36{
37}
38
39
40PathList::PathList(const string &subPath,
41		const char *suffix /* = NULL */,
42		const char *envar /* = NULL */,
43		bool forUser /* = true */)
44	: mSuffix(suffix)
45{
46	if (envar)
47		if (const char *envPath = getenv(envar)) {
48#if !defined(NDEBUG)
49			if (envPath[0] == '!') {
50				// envar="!path" -> single-item override (debugging only)
51				mDebugOverride = envPath + 1;
52				secdebug("pathlist", "%p env(\"%s\") overrides to \"%s\"",
53					this, envar, mDebugOverride.c_str());
54				return;
55			}
56#endif //NDEBUG
57
58			// treat envPath as a classic colon-separated list of directories
59			secdebug("pathlist", "%p configuring from env(\"%s\")", this, envar);
60			while (const char *p = strchr(envPath, ':')) {
61				addDirectory(string(envPath, p - envPath));
62				envPath = p + 1;
63			}
64			addDirectory(envPath);
65			return;
66		}
67
68	// no joy from environment variables
69	secdebug("pathlist", "%p configuring from default path set \"%s\"", this, subPath.c_str());
70	if (forUser)
71		secdebug("pathlist", "user search list not yet implemented");
72	addDirectory("/Library/" + subPath);
73	addDirectory("/System/Library/" + subPath);
74}
75
76
77PathList::~PathList()
78{
79	// virtual
80}
81
82
83void PathList::addDirectory(const string &dirPath)
84{
85	//@@@ validate dirPath?
86	mPaths.push_back(dirPath);
87}
88
89
90}	// end namespace Security
91