-/*
- * Copyright (c) 2000-2004 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@
- */
-
-
-//
-// CoreFoundation related utilities
-//
-#include <security_utilities/cfutilities.h>
-#include <security_utilities/errors.h>
-#include <security_utilities/debugging.h>
-#include <cstdarg>
-#include <vector>
-
-
-namespace Security {
-
-
-ModuleNexus<CFEmptyArray> cfEmptyArray;
-
-CFEmptyArray::CFEmptyArray()
-{
- mArray = CFArrayCreate(NULL, NULL, 0, NULL);
-}
-
-
-//
-// Turn a C(++) string into a CFURLRef indicating a file: path
-//
-CFURLRef makeCFURL(const char *s, bool isDirectory, CFURLRef base)
-{
- CFStringRef ss = CFStringCreateWithCStringNoCopy(NULL, s, kCFStringEncodingUTF8, kCFAllocatorNull);
- CFURLRef returnValue = NULL;
-
- if (base)
- {
- returnValue = CFURLCreateWithFileSystemPathRelativeToBase(NULL,
- ss, kCFURLPOSIXPathStyle, isDirectory, base);
- }
- else
- {
- returnValue = CFURLCreateWithFileSystemPath(NULL,
- ss, kCFURLPOSIXPathStyle, isDirectory);
- }
-
- CFRelease(ss);
- return returnValue;
-}
-
-CFURLRef makeCFURL(CFStringRef s, bool isDirectory, CFURLRef base)
-{
- if (base)
- return CFURLCreateWithFileSystemPathRelativeToBase(NULL, s, kCFURLPOSIXPathStyle, isDirectory, base);
- else
- return CFURLCreateWithFileSystemPath(NULL, s, kCFURLPOSIXPathStyle, isDirectory);
-}
-
-
-//
-// CFMallocData objects
-//
-CFMallocData::operator CFDataRef ()
-{
- CFDataRef result = makeCFDataMalloc(mData, mSize);
- if (!result)
- CFError::throwMe();
- mData = NULL; // release ownership
- return result;
-}
-
-
-//
-// Make CFDictionaries from stuff
-//
-CFDictionaryRef makeCFDictionary(unsigned count, ...)
-{
- CFTypeRef keys[count], values[count];
- va_list args;
- va_start(args, count);
- for (unsigned n = 0; n < count; n++) {
- keys[n] = va_arg(args, CFTypeRef);
- values[n] = va_arg(args, CFTypeRef);
- }
- va_end(args);
- return CFDictionaryCreate(NULL, (const void **)keys, (const void **)values, count,
- &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
-}
-
-CFMutableDictionaryRef makeCFMutableDictionary()
-{
- if (CFMutableDictionaryRef r = CFDictionaryCreateMutable(NULL, 0,
- &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks))
- return r;
- CFError::throwMe();
-}
-
-CFMutableDictionaryRef makeCFMutableDictionary(unsigned count, ...)
-{
- CFMutableDictionaryRef dict = makeCFMutableDictionary();
- if (count > 0) {
- va_list args;
- va_start(args, count);
- for (unsigned n = 0; n < count; n++) {
- CFTypeRef key = va_arg(args, CFTypeRef);
- CFTypeRef value = va_arg(args, CFTypeRef);
- CFDictionaryAddValue(dict, key, value);
- }
- va_end(args);
- }
- return dict;
-}
-
-CFMutableDictionaryRef makeCFMutableDictionary(CFDictionaryRef dict)
-{
- if (CFMutableDictionaryRef r = CFDictionaryCreateMutableCopy(NULL, 0, dict))
- return r;
- CFError::throwMe();
-}
-
-CFDictionaryRef makeCFDictionaryFrom(CFDataRef data)
-{
- if (data) {
- CFPropertyListRef plist = CFPropertyListCreateFromXMLData(NULL, data,
- kCFPropertyListImmutable, NULL);
- if (plist && CFGetTypeID(plist) != CFDictionaryGetTypeID())
- CFError::throwMe();
- return CFDictionaryRef(plist);
- } else
- return NULL;
-
-}
-
-CFDictionaryRef makeCFDictionaryFrom(const void *data, size_t length)
-{
- return makeCFDictionaryFrom(CFTempData(data, length).get());
-}
-
-
-//
-// Turn a CFString into a UTF8-encoded C++ string.
-// If release==true, the argument will be CFReleased even in case of error.
-//
-string cfString(CFStringRef str)
-{
- if (!str)
- return "";
- // quick path first
- if (const char *s = CFStringGetCStringPtr(str, kCFStringEncodingUTF8)) {
- return s;
- }
-
- // need to extract into buffer
- string ret;
- CFIndex length = CFStringGetMaximumSizeForEncoding(CFStringGetLength(str), kCFStringEncodingUTF8);
- std::vector<char> buffer;
- buffer.resize(length + 1);
- if (CFStringGetCString(str, &buffer[0], length + 1, kCFStringEncodingUTF8))
- ret = &buffer[0];
- return ret;
-}
-
-string cfStringRelease(CFStringRef inStr)
-{
- CFRef<CFStringRef> str(inStr);
- return cfString(str);
-}
-
-string cfString(CFURLRef inUrl)
-{
- if (!inUrl)
- CFError::throwMe();
-
- UInt8 buffer[PATH_MAX+1];
- if (CFURLGetFileSystemRepresentation(inUrl, true, buffer, sizeof(buffer)))
- return string(reinterpret_cast<char *>(buffer));
- else
- CFError::throwMe();
-}
-
-string cfStringRelease(CFURLRef inUrl)
-{
- CFRef<CFURLRef> bundle(inUrl);
- return cfString(bundle);
-}
-
-string cfString(CFBundleRef inBundle)
-{
- if (!inBundle)
- CFError::throwMe();
- return cfStringRelease(CFBundleCopyBundleURL(inBundle));
-}
-
-string cfStringRelease(CFBundleRef inBundle)
-{
- CFRef<CFBundleRef> bundle(inBundle);
- return cfString(bundle);
-}
-
-
-string cfString(CFTypeRef it, OSStatus err)
-{
- if (it == NULL)
- MacOSError::throwMe(err);
- CFTypeID id = CFGetTypeID(it);
- if (id == CFStringGetTypeID())
- return cfString(CFStringRef(it));
- else if (id == CFURLGetTypeID())
- return cfString(CFURLRef(it));
- else if (id == CFBundleGetTypeID())
- return cfString(CFBundleRef(it));
- else
- return cfString(CFCopyDescription(it), true);
-}
-
-
-//
-// CFURLAccess wrappers for specific purposes
-//
-CFDataRef cfLoadFile(CFURLRef url)
-{
- assert(url);
- CFDataRef data;
- SInt32 error;
- if (CFURLCreateDataAndPropertiesFromResource(NULL, url,
- &data, NULL, NULL, &error)) {
- return data;
- } else {
- secdebug("cfloadfile", "failed to fetch %s error=%d", cfString(url).c_str(), int(error));
- return NULL;
- }
-}
-
-CFDataRef cfLoadFile(int fd, size_t bytes)
-{
- uint8_t *buffer = (uint8_t *) malloc(bytes);
-
- if (buffer == NULL)
- return NULL;
-
- if (read(fd, buffer, bytes) != bytes) {
- free(buffer);
- return NULL;
- }
-
- CFDataRef result = CFDataCreateWithBytesNoCopy(kCFAllocatorMalloc, buffer, bytes, kCFAllocatorMalloc);
-
- // If CFDataCreateWithBytesNoCopy fails, the buffer is not free()-ed
- if (result == NULL) {
- free(buffer);
- return NULL;
- }
-
- return result;
-}
-
-//
-// CFArray creators
-//
-CFArrayRef makeCFArray(CFIndex count, ...)
-{
- CFTypeRef elements[count];
- va_list args;
- va_start(args, count);
- for (CFIndex n = 0; n < count; n++)
- elements[n] = va_arg(args, CFTypeRef);
- va_end(args);
- return CFArrayCreate(NULL, elements, count, &kCFTypeArrayCallBacks);
-}
-
-CFMutableArrayRef makeCFMutableArray(CFIndex count, ...)
-{
- CFMutableArrayRef array = CFArrayCreateMutable(NULL, count, &kCFTypeArrayCallBacks);
- va_list args;
- va_start(args, count);
- for (CFIndex n = 0; n < count; n++)
- CFArrayAppendValue(array, va_arg(args, CFTypeRef));
- va_end(args);
- return array;
-}
-
-
-} // end namespace Security
projects / apple / security.git / blobdiff