1/*
2 * Copyright (c) 2014 Apple 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/*	CFSystemDirectories.c
25	Copyright (c) 1997-2013, Apple Inc. All rights reserved.
26	Responsibility: Kevin Perry
27*/
28
29/*
30        This file defines CFCopySearchPathForDirectoriesInDomains().
31        On MacOS 8, this function returns empty array.
32        On Mach, it calls the System.framework enumeration functions.
33        On Windows, it calls the enumeration functions defined here.
34*/
35
36#include <CoreFoundation/CFPriv.h>
37#include "CFInternal.h"
38
39#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED
40
41/* We use the System framework implementation on Mach.
42*/
43#include <libc.h>
44#include <stdio.h>
45#include <stdlib.h>
46#include <pwd.h>
47#include <NSSystemDirectories.h>
48
49CFSearchPathEnumerationState __CFStartSearchPathEnumeration(CFSearchPathDirectory dir, CFSearchPathDomainMask domainMask) {
50    return NSStartSearchPathEnumeration(dir, domainMask);
51}
52
53CFSearchPathEnumerationState __CFGetNextSearchPathEnumeration(CFSearchPathEnumerationState state, uint8_t *path, CFIndex pathSize) {
54    CFSearchPathEnumerationState result;
55    // NSGetNextSearchPathEnumeration requires a MAX_PATH size
56    if (pathSize < PATH_MAX) {
57        uint8_t tempPath[PATH_MAX];
58        result = NSGetNextSearchPathEnumeration(state, (char *)tempPath);
59        strlcpy((char *)path, (char *)tempPath, pathSize);
60    } else {
61        result = NSGetNextSearchPathEnumeration(state, (char *)path);
62    }
63    return result;
64}
65
66#endif
67
68
69#if DEPLOYMENT_TARGET_MACOSX || DEPLOYMENT_TARGET_EMBEDDED || DEPLOYMENT_TARGET_WINDOWS
70
71CFArrayRef CFCopySearchPathForDirectoriesInDomains(CFSearchPathDirectory directory, CFSearchPathDomainMask domainMask, Boolean expandTilde) {
72    CFMutableArrayRef array;
73    CFSearchPathEnumerationState state;
74    CFIndex homeLen = -1;
75    char cPath[CFMaxPathSize], home[CFMaxPathSize];
76
77    array = CFArrayCreateMutable(kCFAllocatorSystemDefault, 0, &kCFTypeArrayCallBacks);
78    state = __CFStartSearchPathEnumeration(directory, domainMask);
79    while ((state = __CFGetNextSearchPathEnumeration(state, (uint8_t *)cPath, sizeof(cPath)))) {
80	CFURLRef url = NULL;
81	if (expandTilde && (cPath[0] == '~')) {
82	    if (homeLen < 0) {
83		CFURLRef homeURL = CFCopyHomeDirectoryURLForUser(NULL);
84		if (homeURL) {
85		    CFURLGetFileSystemRepresentation(homeURL, true, (uint8_t *)home, CFMaxPathSize);
86		    homeLen = strlen(home);
87		    CFRelease(homeURL);
88		}
89	    }
90            if (homeLen + strlen(cPath) < CFMaxPathSize) {
91		home[homeLen] = '\0';
92		strlcat(home, &cPath[1], sizeof(home));
93		url = CFURLCreateFromFileSystemRepresentation(kCFAllocatorSystemDefault, (uint8_t *)home, strlen(home), true);
94	    }
95	} else {
96	    url = CFURLCreateFromFileSystemRepresentation(kCFAllocatorSystemDefault, (uint8_t *)cPath, strlen(cPath), true);
97	}
98	if (url) {
99	    CFArrayAppendValue(array, url);
100	    CFRelease(url);
101	}
102    }
103    return array;
104}
105
106#endif
107
108
109#undef numDirs
110#undef numApplicationDirs
111#undef numLibraryDirs
112#undef numDomains
113#undef invalidDomains
114#undef invalidDomains
115
116