Security-57031.1.35.tar.gz

[apple/security.git] / Security / libsecurity_keychain / lib / TrustSettingsUtils.cpp

diff --git a/Security/libsecurity_keychain/lib/TrustSettingsUtils.cpp b/Security/libsecurity_keychain/lib/TrustSettingsUtils.cpp
new file mode 100644 (file)
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--- /dev/null
+++ b/Security/libsecurity_keychain/lib/TrustSettingsUtils.cpp
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2005,2011-2014 Apple 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@
+ */
+
+/*
+ * TrustSettingsUtils.cpp - Utility routines for TrustSettings module
+ *
+ */
+
+#include "TrustSettingsUtils.h"
+#include <Security/cssmtype.h>
+#include <Security/cssmapple.h>
+#include <Security/oidscert.h>
+#include <assert.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/fcntl.h>
+
+/* 
+ * Preferred location for user root store is ~/Library/Keychain/UserRootCerts.keychain. 
+ * If we're creating a root store and there is a file there we iterate thru  
+ * ~/Library/Keychains/UserRootCerts_N.keychain, 0 <= N <= 10.
+ */
+#define kSecUserRootStoreBase                  "~/Library/Keychains/UserRootCerts"
+#define kSecUserRootStoreExtension             ".keychain"
+
+namespace Security {
+
+namespace KeychainCore {
+
+/*
+ * Read entire file. 
+ */
+int tsReadFile(
+       const char              *fileName,
+       Allocator               &alloc,
+       CSSM_DATA               &fileData)              // mallocd via alloc and RETURNED
+{
+       int rtn;
+       int fd;
+       struct stat     sb;
+       unsigned size;
+       
+       fileData.Data = NULL;
+       fileData.Length = 0;
+       fd = open(fileName, O_RDONLY, 0);
+       if(fd < 0) {
+               return errno;
+       }
+       rtn = fstat(fd, &sb);
+       if(rtn) {
+               goto errOut;
+       }
+       size = (unsigned)sb.st_size;
+       fileData.Data = (uint8 *)alloc.malloc(size);
+       if(fileData.Data == NULL) {
+               rtn = ENOMEM;
+               goto errOut;
+       }
+       rtn = (int)lseek(fd, 0, SEEK_SET);
+       if(rtn < 0) {
+               goto errOut;
+       }
+       rtn = (int)read(fd, fileData.Data, (size_t)size);
+       if(rtn != (int)size) {
+               rtn = EIO;
+       }
+       else {
+               rtn = 0;
+               fileData.Length = size;
+       }
+errOut:
+       close(fd);
+       return rtn;
+}
+
+} /* end namespace KeychainCore */
+
+} /* end namespace Security */