#ifndef _SECCFWRAPPERS_H_
#define _SECCFWRAPPERS_H_
#include <CoreFoundation/CFRuntime.h>
#include <CoreFoundation/CFNumber.h>
#include <CoreFoundation/CFData.h>
#include <CoreFoundation/CFDate.h>
#include <CoreFoundation/CFString.h>
#include <CoreFoundation/CFPropertyList.h>
#include <utilities/SecCFRelease.h>
#include <utilities/debugging.h>
#include <assert.h>
#include <dispatch/dispatch.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#define CFGiblisWithFunctions(gibliClassName, describe_func, destroy_func, compare_func, hash_func) \
CFTypeID gibliClassName##GetTypeID(void); \
CFTypeID gibliClassName##GetTypeID(void) { \
static dispatch_once_t k##gibliClassName##RegisterClass; \
static CFTypeID k##gibliClassName##TypeID = _kCFRuntimeNotATypeID; \
\
dispatch_once(&k##gibliClassName##RegisterClass, ^{ \
static const CFRuntimeClass k##gibliClassName##Class = { \
.className = #gibliClassName, \
.finalize = destroy_func, \
.copyDebugDesc = describe_func, \
.equal = compare_func, \
.hash = hash_func, \
}; \
\
k##gibliClassName##TypeID = _CFRuntimeRegisterClass(&k##gibliClassName##Class); \
}); \
return k##gibliClassName##TypeID; \
}
#define CFGiblisWithHashFor(gibliClassName) \
static CFStringRef gibliClassName##CopyDescription(CFTypeRef cf); \
static void gibliClassName##Destroy(CFTypeRef cf); \
static Boolean gibliClassName##Compare(CFTypeRef lhs, CFTypeRef rhs); \
static CFHashCode gibliClassName##Hash(CFTypeRef cf); \
\
CFGiblisWithFunctions(gibliClassName, gibliClassName##CopyDescription, gibliClassName##Destroy, gibliClassName##Compare, gibliClassName##Hash)
#define CFGiblisWithCompareFor(gibliClassName) \
static CFStringRef gibliClassName##CopyDescription(CFTypeRef cf); \
static void gibliClassName##Destroy(CFTypeRef cf); \
static Boolean gibliClassName##Compare(CFTypeRef lhs, CFTypeRef rhs); \
\
CFGiblisWithFunctions(gibliClassName, gibliClassName##CopyDescription, gibliClassName##Destroy, gibliClassName##Compare, NULL)
#define CFGiblisFor(gibliClassName) \
static CFStringRef gibliClassName##CopyDescription(CFTypeRef cf); \
static void gibliClassName##Destroy(CFTypeRef cf); \
\
CFGiblisWithFunctions(gibliClassName, gibliClassName##CopyDescription, gibliClassName##Destroy, NULL, NULL)
#define CFTypeAllocate(classType, internalType, allocator) \
(classType##Ref) _CFRuntimeCreateInstance(allocator, classType##GetTypeID(), \
sizeof(internalType) - sizeof(CFRuntimeBase), \
NULL)
__BEGIN_DECLS
static void apply_block_1(const void *value, void *context)
{
return ((void (^)(const void *value))context)(value);
}
static void apply_block_2(const void *key, const void *value, void *context)
{
return ((void (^)(const void *key, const void *value))context)(key, value);
}
static inline bool CFEqualSafe(CFTypeRef left, CFTypeRef right)
{
if (left == NULL || right == NULL)
return left == right;
else
return CFEqual(left, right);
}
static inline CFNumberRef CFNumberCreateWithCFIndex(CFAllocatorRef allocator, CFIndex value)
{
return CFNumberCreate(allocator, kCFNumberCFIndexType, &value);
}
static inline CFMutableDataRef CFDataCreateMutableWithScratch(CFAllocatorRef allocator, CFIndex size) {
CFMutableDataRef result = CFDataCreateMutable(allocator, 0);
CFDataSetLength(result, size);
return result;
}
static inline void CFDataAppend(CFMutableDataRef appendTo, CFDataRef dataToAppend)
{
CFDataAppendBytes(appendTo, CFDataGetBytePtr(dataToAppend), CFDataGetLength(dataToAppend));
}
static inline CFDataRef CFDataCreateReferenceFromRange(CFAllocatorRef allocator, CFDataRef sourceData, CFRange range)
{
return CFDataCreateWithBytesNoCopy(allocator,
CFDataGetBytePtr(sourceData) + range.location, range.length,
kCFAllocatorNull);
}
static inline CFDataRef CFDataCreateCopyFromRange(CFAllocatorRef allocator, CFDataRef sourceData, CFRange range)
{
return CFDataCreate(allocator, CFDataGetBytePtr(sourceData) + range.location, range.length);
}
static inline uint8_t* CFDataIncreaseLengthAndGetMutableBytes(CFMutableDataRef data, CFIndex extraLength)
{
CFIndex startOffset = CFDataGetLength(data);
CFDataIncreaseLength(data, extraLength);
return CFDataGetMutableBytePtr(data) + startOffset;
}
static inline uint8_t* CFDataGetMutablePastEndPtr(CFMutableDataRef theData)
{
return CFDataGetMutableBytePtr(theData) + CFDataGetLength(theData);
}
static inline const uint8_t* CFDataGetPastEndPtr(CFDataRef theData) {
return CFDataGetBytePtr(theData) + CFDataGetLength(theData);
}
static inline CFComparisonResult CFDataCompare(CFDataRef left, CFDataRef right)
{
const size_t left_size = CFDataGetLength(left);
const size_t right_size = CFDataGetLength(right);
const size_t shortest = (left_size <= right_size) ? left_size : right_size;
int comparison = memcmp(CFDataGetBytePtr(left), CFDataGetBytePtr(right), shortest);
if (comparison > 0 || (comparison == 0 && left_size > right_size))
return kCFCompareGreaterThan;
else if (comparison < 0 || (comparison == 0 && left_size < right_size))
return kCFCompareLessThan;
else
return kCFCompareEqualTo;
}
static inline char *CFStringToCString(CFStringRef inStr)
{
if (!inStr)
return (char *)strdup("");
CFRetain(inStr);
CFIndex length = CFStringGetLength(inStr); size_t len = CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8);
char *buffer = (char *)malloc(len); if (!CFStringGetCString(inStr, buffer, len, kCFStringEncodingUTF8))
buffer[0] = 0;
CFRelease(inStr);
return buffer;
}
void CFStringPerformWithCString(CFStringRef inStr, void(^operation)(const char *utf8Str));
void CFStringPerformWithCStringAndLength(CFStringRef inStr, void(^operation)(const char *utf8Str, size_t utf8Length));
#include <CommonNumerics/CommonCRC.h>
static inline void CFStringAppendEncryptedData(CFMutableStringRef s, CFDataRef edata)
{
const uint8_t *bytes = CFDataGetBytePtr(edata);
CFIndex len = CFDataGetLength(edata);
CFStringAppendFormat(s, 0, CFSTR("%04lx:"), len);
if(len<=8) {
for (CFIndex ix = 0; ix < len; ++ix) {
CFStringAppendFormat(s, 0, CFSTR("%02X"), bytes[ix]);
}
} else {
uint64_t crc = 0;
CNCRC(kCN_CRC_64_ECMA_182, bytes+8, len-8, &crc);
for (CFIndex ix = 0; ix < 8; ++ix) {
CFStringAppendFormat(s, 0, CFSTR("%02X"), bytes[ix]);
}
CFStringAppendFormat(s, 0, CFSTR("...|%08llx"), crc);
}
}
static inline void CFStringAppendHexData(CFMutableStringRef s, CFDataRef data) {
const uint8_t *bytes = CFDataGetBytePtr(data);
CFIndex len = CFDataGetLength(data);
for (CFIndex ix = 0; ix < len; ++ix) {
CFStringAppendFormat(s, 0, CFSTR("%02X"), bytes[ix]);
}
}
static inline CFStringRef CFDataCopyHexString(CFDataRef data) {
CFMutableStringRef hexString = CFStringCreateMutable(kCFAllocatorDefault, 2 * CFDataGetLength(data));
CFStringAppendHexData(hexString, data);
return hexString;
}
static inline void CFDataPerformWithHexString(CFDataRef data, void (^operation)(CFStringRef dataString)) {
CFStringRef hexString = CFDataCopyHexString(data);
operation(hexString);
CFRelease(hexString);
}
static inline void BufferPerformWithHexString(const UInt8 *bytes, CFIndex length, void (^operation)(CFStringRef dataString)) {
CFDataRef bufferAsData = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, bytes, length, kCFAllocatorNull);
CFDataPerformWithHexString(bufferAsData, operation);
CFReleaseNull(bufferAsData);
}
static inline void CFStringWriteToFile(CFStringRef inStr, FILE* file)
{
CFStringPerformWithCStringAndLength(inStr, ^(const char *utf8Str, size_t utf8Length) {
fwrite(utf8Str, 1, utf8Length, file);
});
}
static inline void CFStringWriteToFileWithNewline(CFStringRef inStr, FILE* file)
{
CFStringWriteToFile(inStr, file);
fputc('\n', file);
}
static inline CFIndex CFArrayRemoveAllValue(CFMutableArrayRef array, const void* value)
{
CFIndex position = kCFNotFound;
CFIndex numberRemoved = 0;
position = CFArrayGetFirstIndexOfValue(array, CFRangeMake(0, CFArrayGetCount(array)), value);
while (position != kCFNotFound) {
CFArrayRemoveValueAtIndex(array, position);
++numberRemoved;
position = CFArrayGetFirstIndexOfValue(array, CFRangeMake(0, CFArrayGetCount(array)), value);
}
return numberRemoved;
}
static inline void CFArrayForEach(CFArrayRef array, void (^operation)(const void *value)) {
CFArrayApplyFunction(array, CFRangeMake(0, CFArrayGetCount(array)), apply_block_1, operation);
}
static inline void CFArrayForEachReverse(CFArrayRef array, void (^operation)(const void *value)) {
for(CFIndex count = CFArrayGetCount(array); count > 0; --count) {
operation(CFArrayGetValueAtIndex(array, count - 1));
}
}
static inline const void *CFArrayGetValueMatching(CFArrayRef array, bool (^match)(const void *value)) {
CFIndex i, n = CFArrayGetCount(array);
for (i = 0; i < n; ++i) {
const void *value = CFArrayGetValueAtIndex(array, i);
if (match(value)) {
return value;
}
}
return NULL;
}
static inline bool CFArrayHasValueMatching(CFArrayRef array, bool (^match)(const void *value)) {
return CFArrayGetValueMatching(array, match) != NULL;
}
static inline void CFMutableArrayModifyValues(CFMutableArrayRef array, const void * (^process)(const void *value)) {
CFIndex i, n = CFArrayGetCount(array);
for (i = 0; i < n; ++i) {
const void *value = CFArrayGetValueAtIndex(array, i);
CFArraySetValueAtIndex(array, i, process(value));
}
}
static inline CFArrayRef CFArrayCreateCountedForVC(CFAllocatorRef allocator, const CFArrayCallBacks *cbs, CFIndex entries, va_list args)
{
const void *values[entries];
for(CFIndex currentValue = 0; currentValue < entries; ++currentValue)
{
values[currentValue] = va_arg(args, void*);
if (values[currentValue] == NULL)
values[currentValue] = kCFNull;
}
return CFArrayCreate(allocator, values, entries, cbs);
}
static inline CFArrayRef CFArrayCreateForVC(CFAllocatorRef allocator, const CFArrayCallBacks *cbs, va_list args)
{
va_list count;
va_copy(count, args);
CFIndex entries = 0;
while (NULL != va_arg(count, void*)) {
entries += 1;
}
return CFArrayCreateCountedForVC(allocator, cbs, entries, args);
}
static inline CFMutableArrayRef CFArrayCreateMutableForCFTypes(CFAllocatorRef allocator)
{
return CFArrayCreateMutable(allocator, 0, &kCFTypeArrayCallBacks);
}
static inline CFArrayRef CFArrayCreateForCFTypes(CFAllocatorRef allocator, ...)
{
va_list args;
va_start(args, allocator);
return CFArrayCreateForVC(allocator, &kCFTypeArrayCallBacks, args);
}
static inline CFArrayRef CFArrayCreateCountedForCFTypes(CFAllocatorRef allocator, CFIndex entries, ...)
{
va_list args;
va_start(args, entries);
return CFArrayCreateCountedForVC(allocator, &kCFTypeArrayCallBacks, entries, args);
}
static inline CFArrayRef CFArrayCreateCountedForCFTypesV(CFAllocatorRef allocator, CFIndex entries, va_list args)
{
return CFArrayCreateCountedForVC(allocator, &kCFTypeArrayCallBacks, entries, args);
}
static inline CFDictionaryRef CFDictionaryCreateCountedForCFTypesV(CFAllocatorRef allocator, CFIndex entries, va_list args)
{
const void *keys[entries];
const void *values[entries];
for(CFIndex currentValue = 0; currentValue < entries; ++currentValue)
{
keys[currentValue] = va_arg(args, void*);
values[currentValue] = va_arg(args, void*);
if (values[currentValue] == NULL)
values[currentValue] = kCFNull;
}
return CFDictionaryCreate(allocator, keys, values, entries,
&kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
}
static inline CFDictionaryRef CFDictionaryCreateForCFTypes(CFAllocatorRef allocator, ...)
{
va_list args;
va_start(args, allocator);
CFIndex entries = 0;
while (NULL != va_arg(args, void*)) {
entries += 2;
(void) va_arg(args, void*);
}
entries /= 2;
va_start(args, allocator);
return CFDictionaryCreateCountedForCFTypesV(allocator, entries, args);
}
static inline CFDictionaryRef CFDictionaryCreateCountedForCFTypes(CFAllocatorRef allocator, CFIndex entries, ...)
{
va_list args;
va_start(args, entries);
return CFDictionaryCreateCountedForCFTypesV(allocator, entries, args);
}
static inline CFMutableDictionaryRef CFDictionaryCreateMutableForCFTypes(CFAllocatorRef allocator)
{
return CFDictionaryCreateMutable(allocator, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
}
static inline CFMutableDictionaryRef CFDictionaryCreateMutableForCFTypesWith(CFAllocatorRef allocator, ...)
{
CFMutableDictionaryRef result = CFDictionaryCreateMutableForCFTypes(allocator);
va_list args;
va_start(args, allocator);
void* key = va_arg(args, void*);
while (key != NULL) {
CFDictionarySetValue(result, key, va_arg(args, void*));
key = va_arg(args, void*);
};
return result;
}
static inline void CFDictionaryForEach(CFDictionaryRef dictionary, void (^operation)(const void *key, const void *value)) {
CFDictionaryApplyFunction(dictionary, apply_block_2, operation);
}
static inline bool isArray(CFTypeRef cfType) {
return cfType && CFGetTypeID(cfType) == CFArrayGetTypeID();
}
static inline bool isData(CFTypeRef cfType) {
return cfType && CFGetTypeID(cfType) == CFDataGetTypeID();
}
static inline bool isDate(CFTypeRef cfType) {
return cfType && CFGetTypeID(cfType) == CFDateGetTypeID();
}
static inline bool isDictionary(CFTypeRef cfType) {
return cfType && CFGetTypeID(cfType) == CFDictionaryGetTypeID();
}
static inline bool isNumber(CFTypeRef cfType) {
return cfType && CFGetTypeID(cfType) == CFNumberGetTypeID();
}
static inline bool isNumberOfType(CFTypeRef cfType, CFNumberType number) {
return isNumber(cfType) && CFNumberGetType((CFNumberRef)cfType) == number;
}
static inline bool isString(CFTypeRef cfType) {
return cfType && CFGetTypeID(cfType) == CFStringGetTypeID();
}
static inline bool isBoolean(CFTypeRef cfType) {
return cfType && CFGetTypeID(cfType) == CFBooleanGetTypeID();
}
static inline bool isNull(CFTypeRef cfType) {
return cfType && CFGetTypeID(cfType) == CFNullGetTypeID();
}
static inline void CFPropertyListWriteToFile(CFPropertyListRef plist, CFURLRef file)
{
CFWriteStreamRef writeStream = CFWriteStreamCreateWithFile(kCFAllocatorDefault, file);
CFErrorRef error = NULL;
CFWriteStreamOpen(writeStream);
CFPropertyListWrite(plist, writeStream, kCFPropertyListBinaryFormat_v1_0, 0, &error);
if (error)
secerror("Can't write plist: %@", error);
CFReleaseNull(error);
CFReleaseNull(writeStream);
}
static inline CF_RETURNS_RETAINED CFPropertyListRef CFPropertyListReadFromFile(CFURLRef file)
{
CFPropertyListRef result = NULL;
CFErrorRef error = NULL;
CFBooleanRef isRegularFile;
if (!CFURLCopyResourcePropertyForKey(file, kCFURLIsRegularFileKey, &isRegularFile, &error)) {
secerror("file %@: %@", file, error);
} else if (CFBooleanGetValue(isRegularFile)) {
CFReadStreamRef readStream = CFReadStreamCreateWithFile(kCFAllocatorDefault, file);
if (readStream) {
if (CFReadStreamOpen(readStream)) {
CFPropertyListFormat format;
result = CFPropertyListCreateWithStream(kCFAllocatorDefault, readStream, 0, kCFPropertyListMutableContainers, &format, &error);
if (!result) {
secerror("read plist from %@: %@", file, error);
}
}
CFRelease(readStream);
}
}
CFReleaseNull(error);
return result;
}
__END_DECLS
#endif