1/*
2 * Copyright (c) 2005,2011-2014 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/*
25 * TrustSettingsUtils.cpp - Utility routines for TrustSettings module
26 *
27 */
28
29#include "TrustSettingsUtils.h"
30#include <Security/cssmtype.h>
31#include <Security/cssmapple.h>
32#include <Security/oidscert.h>
33#include <assert.h>
34#include <sys/param.h>
35#include <sys/stat.h>
36#include <sys/fcntl.h>
37
38/*
39 * Preferred location for user root store is ~/Library/Keychain/UserRootCerts.keychain.
40 * If we're creating a root store and there is a file there we iterate thru
41 * ~/Library/Keychains/UserRootCerts_N.keychain, 0 <= N <= 10.
42 */
43#define kSecUserRootStoreBase			"~/Library/Keychains/UserRootCerts"
44#define kSecUserRootStoreExtension		".keychain"
45
46namespace Security {
47
48namespace KeychainCore {
49
50/*
51 * Read entire file.
52 */
53int tsReadFile(
54	const char		*fileName,
55	Allocator		&alloc,
56	CSSM_DATA		&fileData)		// mallocd via alloc and RETURNED
57{
58	int rtn;
59	int fd;
60	struct stat	sb;
61	unsigned size;
62
63	fileData.Data = NULL;
64	fileData.Length = 0;
65	fd = open(fileName, O_RDONLY, 0);
66	if(fd < 0) {
67		return errno;
68	}
69	rtn = fstat(fd, &sb);
70	if(rtn) {
71		goto errOut;
72	}
73	size = (unsigned)sb.st_size;
74	fileData.Data = (uint8 *)alloc.malloc(size);
75	if(fileData.Data == NULL) {
76		rtn = ENOMEM;
77		goto errOut;
78	}
79	rtn = (int)lseek(fd, 0, SEEK_SET);
80	if(rtn < 0) {
81		goto errOut;
82	}
83	rtn = (int)read(fd, fileData.Data, (size_t)size);
84	if(rtn != (int)size) {
85		rtn = EIO;
86	}
87	else {
88		rtn = 0;
89		fileData.Length = size;
90	}
91errOut:
92	close(fd);
93	return rtn;
94}
95
96} /* end namespace KeychainCore */
97
98} /* end namespace Security */
99