+++ /dev/null
-/*
- * Copyright (c) 2012,2014 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@
- */
-
-
-#include <utilities/SecCFWrappers.h>
-#include <utilities/SecBuffer.h>
-#include <CommonCrypto/CommonCryptor.h>
-#include <CommonCrypto/CommonRandom.h>
-
-CFStringRef kSecDebugFormatOption = CFSTR("debug");
-
-//
-// Global singleton CopyDebugDescription format dictionary getter.
-//
-CFGiblisGetSingleton(CFDictionaryRef, SecGetDebugDescriptionFormatOptions, formatOption, ^{
- const void *k[] = { kSecDebugFormatOption };
- const void *v[] = { kCFBooleanTrue };
- *formatOption = CFDictionaryCreate(kCFAllocatorDefault, k, v, 1, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
-})
-
-//
-// Smart comparator for strings that matches sorting functions
-//
-
-CFComparisonResult CFStringCompareSafe(const void *val1, const void *val2, void *context) {
- if (!isString(val1))
- return kCFCompareLessThan;
- if (!isString(val2))
- return kCFCompareGreaterThan;
-
- return CFStringCompare(val1, val2, 0);
-}
-
-void CFStringArrayPerformWithDelimiterWithDescription(CFArrayRef strings, CFStringRef start, CFStringRef end, void (^action)(CFStringRef description)) {
- if(!strings) {
- action(CFSTR("null"));
- } else {
- __block CFMutableStringRef description = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, start);
- __block CFStringRef separator = CFSTR("");
-
- CFArrayForEach(strings, ^(const void *value) {
- CFStringAppendFormat(description, NULL, CFSTR("%@%@"), separator, value);
- separator = CFSTR(", ");
- });
-
- CFStringAppend(description, end);
-
- action(description);
-
- CFReleaseNull(description);
- }
-}
-
-
-void CFStringArrayPerformWithDescription(CFArrayRef strings, void (^action)(CFStringRef description)) {
- CFStringArrayPerformWithDelimiterWithDescription(strings, CFSTR("["), CFSTR("]"), action);
-}
-
-static void
-appendDescriptionToArray(const void *value, void *context)
-{
- CFTypeRef obj = (CFTypeRef)value;
- CFMutableArrayRef array = (CFMutableArrayRef)context;
- CFStringRef desc;
-
- if (CFGetTypeID(obj) == CFStringGetTypeID()) {
- CFArrayAppendValue(array, obj);
- } else {
- desc = CFCopyDescription(obj);
- if (desc != NULL) {
- CFArrayAppendValue(array, desc);
- CFRelease(desc);
- } else {
- CFArrayAppendValue(array, CFSTR("null"));
- }
- }
-}
-
-void CFStringSetPerformWithDescription(CFSetRef set, void (^action)(CFStringRef description)) {
- if(!set) {
- action(CFSTR("null"));
- } else {
- CFMutableArrayRef keys = CFArrayCreateMutable(NULL, CFSetGetCount(set), &kCFTypeArrayCallBacks);
-
- CFSetApplyFunction(set, appendDescriptionToArray, keys);
-
- CFArraySortValues(keys, CFRangeMake(0, CFArrayGetCount(keys)), (CFComparatorFunction)&CFStringCompare, NULL);
-
- CFStringArrayPerformWithDelimiterWithDescription(keys, CFSTR("{("), CFSTR(")}"), action);
-
- CFReleaseNull(keys);
- }
-}
-
-//
-// Global sigleton Zulu time. Must be serialized since it is really a CFMutableCalendarRef
-// <rdar://problem/16372688> CFCalendarDecomposeAbsoluteTime is not thread safe
-//
-static dispatch_queue_t fqueue_cf;
-static CFCalendarRef sZuluCalendar = NULL;
-
-static dispatch_queue_t SecCFCalendarGetZuluQueue() {
- static dispatch_once_t onceToken;
- dispatch_once(&onceToken, ^{
- fqueue_cf = dispatch_queue_create("ZuluCalendar", DISPATCH_QUEUE_SERIAL);
- });
- return fqueue_cf;
-}
-
-static CFCalendarRef SecCFCalendarGetZulu() {
- static dispatch_once_t onceToken;
- dispatch_once(&onceToken, ^{
- sZuluCalendar = CFCalendarCreateWithIdentifier(kCFAllocatorDefault, kCFGregorianCalendar);
- CFTimeZoneRef tz = CFTimeZoneCreateWithTimeIntervalFromGMT(kCFAllocatorDefault, 0.0);
- CFCalendarSetTimeZone(sZuluCalendar, tz);
- if (tz)
- CFRelease(tz);
- });
- return sZuluCalendar;
-}
-
-void SecCFCalendarDoWithZuluCalendar(void(^action)(CFCalendarRef zuluCalendar)) {
- dispatch_sync(SecCFCalendarGetZuluQueue(), ^{
- action(SecCFCalendarGetZulu());
- });
-}
-
-void CFStringPerformWithCStringAndLength(CFStringRef inStr, void(^operation)(const char *utf8String, size_t utf8Length)) {
- const char *cstr = CFStringGetCStringPtr(inStr, kCFStringEncodingUTF8);
- if (cstr) {
- operation(cstr, strlen(cstr));
- } else {
- CFIndex neededLen = 0;
- CFRange range = { 0, CFStringGetLength(inStr) };
-
- CFStringGetBytes(inStr, range, kCFStringEncodingUTF8,
- 0, FALSE, NULL, 0, &neededLen);
-
- // + 1 bytes for the '\0' we're adding.
- PerformWithBuffer(neededLen + 1, ^(size_t size, uint8_t *buf) {
- if (buf) {
- CFIndex usedLen;
- CFStringGetBytes(inStr, range, kCFStringEncodingUTF8,
- 0, FALSE, (UInt8 *)buf, neededLen, &usedLen);
- assert(usedLen == neededLen);
- buf[usedLen] = 0;
- operation((const char *) buf, (size_t)usedLen);
- }
- });
- }
-}
-
-void CFStringPerformWithCString(CFStringRef inStr, void(^operation)(const char *utf8String)) {
- CFStringPerformWithCStringAndLength(inStr, ^(const char *utf8String, size_t utf8Length) {
- operation(utf8String);
- });
-}
-
-void CFStringPerformWithUTF8CFData(CFStringRef inStr, void (^operation)(CFDataRef stringAsData)) {
- CFIndex neededLen = 0;
- CFRange range = { 0, CFStringGetLength(inStr) };
-
- CFStringGetBytes(inStr, range, kCFStringEncodingUTF8,
- 0, FALSE, NULL, 0, &neededLen);
-
- CFMutableDataRef data = CFDataCreateMutableWithScratch(kCFAllocatorDefault, neededLen);
-
- CFIndex usedLen;
- CFStringGetBytes(inStr, range, kCFStringEncodingUTF8,
- 0, FALSE, CFDataGetMutableBytePtr(data), neededLen, &usedLen);
- assert(usedLen == neededLen);
-
- operation(data);
-
- CFReleaseNull(data);
-}
-
-
-CFStringRef CFDictionaryCopyCompactDescription(CFDictionaryRef dictionary) {
- CFStringRef result = NULL;
- if (dictionary) {
- CFMutableStringRef compactDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, CFSTR("{"));
- __block CFStringRef separator = CFSTR("");
-
- CFDictionaryForEach(dictionary, ^(const void *key, const void *value) {
- CFMutableStringRef valueDescription = NULL;
- if (isData(value)) {
- valueDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, CFSTR("0x"));
- CFStringAppendHexData(valueDescription, (CFDataRef) value);
- }
- CFStringAppendFormat(compactDescription, NULL, CFSTR("%@%@:%@"), separator, key, valueDescription ? valueDescription : value);
- separator = CFSTR(", ");
- CFReleaseNull(valueDescription);
- });
-
- CFStringAppendFormat(compactDescription, NULL, CFSTR("}"));
-
- result = compactDescription;
- } else {
- result = CFCopyDescription(kCFNull);
- }
-
- return result;
-}
-
-CFStringRef CFDictionaryCopySuperCompactDescription(CFDictionaryRef dictionary) {
- CFStringRef result = NULL;
- if (dictionary) {
- CFMutableStringRef compactDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, CFSTR("{"));
- __block CFStringRef separator = CFSTR("");
-
- CFDictionaryForEach(dictionary, ^(const void *key, const void *value) {
- CFMutableStringRef valueDescription = NULL;
-
- if (isData(value)) {
- valueDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, CFSTR("0x"));
- CFStringAppendHexData(valueDescription, (CFDataRef) value);
- CFStringDelete(valueDescription, CFRangeMake(0, 5));
- }
- else if(isString(value)){
- CFStringRef stringValue = NULL;
- if(CFStringGetLength(value) < 6)
- stringValue = CFStringCreateCopy(kCFAllocatorDefault, value);
- else
- stringValue = CFStringCreateWithSubstring(kCFAllocatorDefault, value, CFRangeMake(0, 6));
- valueDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, CFStringGetLength(stringValue), stringValue);
- CFReleaseNull(stringValue);
- }
- else if(isNumber(value)){
- CFStringRef stringValue = CFStringCreateWithFormat(kCFAllocatorDefault, NULL, CFSTR("%@"), (CFNumberRef)value);
- valueDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, CFStringGetLength(stringValue), stringValue);
- CFReleaseNull(stringValue);
- }
-
- UniChar firstCharOfKey = CFStringGetCharacterAtIndex(key, 0);
- CFStringAppendFormat(compactDescription, NULL, CFSTR("%c:%@ "), firstCharOfKey, valueDescription);
- separator = CFSTR(", ");
- CFReleaseNull(valueDescription);
- });
-
- CFStringAppendFormat(compactDescription, NULL, CFSTR("}"));
-
- result = compactDescription;
- } else {
- result = CFCopyDescription(kCFNull);
- }
-
- return result;
-}
-
-
-CFDataRef CFDataCreateWithRandomBytes(size_t len) {
- __block CFDataRef retval = NULL;
- PerformWithBufferAndClear(len, ^(size_t size, uint8_t *buffer) {
- CCRandomGenerateBytes(buffer, size);
- retval = CFDataCreate(NULL, buffer, size);
- });
- return retval;
-}
-
-CFDataRef CFDataCreateWithInitializer(CFAllocatorRef allocator, CFIndex size, bool (^operation)(size_t size, uint8_t *buffer)) {
- __block CFMutableDataRef result = NULL;
- if(!size) return NULL;
- if((result = CFDataCreateMutableWithScratch(allocator, size)) == NULL) return NULL;
- if (!operation(size, CFDataGetMutableBytePtr(result))) CFReleaseNull(result);
- return result;
-}
-
-
-
-CFGiblisGetSingleton(CFDateFormatterRef, GetShortDateFormatter, sDateFormatter, ^{
- CFLocaleRef locale = CFLocaleCopyCurrent();
- *sDateFormatter = CFDateFormatterCreate(kCFAllocatorDefault, locale, kCFDateFormatterNoStyle, kCFDateFormatterNoStyle);
-
- CFDateFormatterSetFormat(*sDateFormatter, CFSTR("yyyy-MM-dd HH:mm"));
- CFReleaseNull(locale);
-})
-
-CFGiblisGetSingleton(dispatch_queue_t, GetShortDateFormatterQueue, sDateFormatQueue, ^{
- *sDateFormatQueue = dispatch_queue_create("Date Formatting", DISPATCH_QUEUE_SERIAL);
-})
-
-//
-// MARK: time formatters
-//
-
-static void withShortDateFormatter(void (^action)(CFDateFormatterRef formatter)) {
- dispatch_sync(GetShortDateFormatterQueue(), ^{
- action(GetShortDateFormatter());
- });
-}
-
-void withStringOfAbsoluteTime(CFAbsoluteTime at, void (^action)(CFStringRef decription)) {
- __block CFStringRef formattedString = NULL;
-
- withShortDateFormatter(^(CFDateFormatterRef formatter) {
- formattedString = CFDateFormatterCreateStringWithAbsoluteTime(kCFAllocatorDefault, formatter, at);
- });
- action(formattedString);
-
- CFReleaseNull(formattedString);
-}
projects / apple / security.git / blobdiff