+//
+// otr-packetdata.c
+// OTR
+//
+// Created by Mitch Adler on 7/22/11.
+// Copyright (c) 2011 Apple Inc. All rights reserved.
+//
+
+#include <CoreFoundation/CFData.h>
+#include "SecOTRPacketData.h"
+
+#include <corecrypto/ccn.h>
+
+#include "security_regressions.h"
+
+static bool CFDataMatches(CFDataRef data, size_t amount, const uint8_t* bytes)
+{
+ if ((size_t) CFDataGetLength(data) != amount)
+ return false;
+
+ return 0 == memcmp(CFDataGetBytePtr(data), bytes, amount);
+
+}
+
+
+static void testAppendShort()
+{
+ CFMutableDataRef result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t firstResult[] = { 1, 2 };
+ AppendShort(result, 0x0102);
+ ok(CFDataMatches(result, sizeof(firstResult), firstResult), "Didn't insert correctly");
+
+ const uint8_t secondResult[] = { 1, 2, 3, 4};
+ AppendShort(result, 0x0304);
+ ok(CFDataMatches(result, sizeof(secondResult), secondResult), "Didn't append!");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t thirdResult[] = { 0, 0 };
+ AppendShort(result, 0x0);
+ ok(CFDataMatches(result, sizeof(thirdResult), thirdResult), "Didn't insert zero");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t fourthResult[] = { 0xFF, 0xFF};
+ AppendShort(result, 0xFFFF);
+ ok(CFDataMatches(result, sizeof(thirdResult), fourthResult), "Didn't insert 0xFFFFFFFF");
+
+ CFRelease(result);
+}
+
+static void testAppendLong()
+{
+ CFMutableDataRef result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t firstResult[] = { 1, 2, 3, 4 };
+ AppendLong(result, 0x01020304);
+ ok(CFDataMatches(result, sizeof(firstResult), firstResult), "Didn't insert correctly");
+
+ const uint8_t secondResult[] = { 1, 2, 3, 4, 5, 6, 7, 8};
+ AppendLong(result, 0x05060708);
+ ok(CFDataMatches(result, sizeof(secondResult), secondResult), "Didn't append!");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t thirdResult[] = { 0, 0, 0, 0 };
+ AppendLong(result, 0x0);
+ ok(CFDataMatches(result, sizeof(thirdResult), thirdResult), "Didn't insert zero");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t fourthResult[] = { 0xFF, 0xFF, 0xFF, 0xFF };
+ AppendLong(result, 0xFFFFFFFF);
+ ok(CFDataMatches(result, sizeof(thirdResult), fourthResult), "Didn't insert 0xFFFFFFFF");
+
+ CFRelease(result);
+}
+
+static void testAppendData()
+{
+ CFMutableDataRef result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t firstResult[] = { 0, 0, 0, 4, 1, 2, 3, 4 };
+ AppendDATA(result, sizeof(firstResult) - 4, firstResult + 4);
+ ok(CFDataMatches(result, sizeof(firstResult), firstResult), "Didn't insert correctly");
+
+ const uint8_t secondResult[] = { 0, 0, 0, 4, 1, 2, 3, 4, 0, 0, 0, 1, 0 };
+ AppendDATA(result, sizeof(secondResult) - 12, secondResult + 12);
+ ok(CFDataMatches(result, sizeof(secondResult), secondResult), "Didn't append!");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t thirdResult[] = { 0, 0, 0, 2, 0, 0 };
+ AppendDATA(result, sizeof(thirdResult) - 4, thirdResult + 4);
+ ok(CFDataMatches(result, sizeof(thirdResult), thirdResult), "Didn't insert correctly");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t fourthResult[] = { 0, 0, 0, 5, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
+ AppendDATA(result, sizeof(fourthResult) - 4, fourthResult + 4);
+ ok(CFDataMatches(result, sizeof(fourthResult), fourthResult), "Didn't insert correctly");
+
+ CFRelease(result);
+}
+
+
+static void testAppendMPI()
+{
+ const size_t kUnitBufferN = 1024;
+ cc_unit unitBuffer[1024];
+
+ CFMutableDataRef result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t firstResult[] = { 0, 0, 0, 2, 1, 2 };
+ ccn_read_uint(kUnitBufferN, unitBuffer, sizeof(firstResult) - 4, firstResult + 4);
+ AppendMPI(result, kUnitBufferN, unitBuffer);
+
+ ok(CFDataMatches(result, sizeof(firstResult), firstResult), "Didn't insert zero");
+
+ const uint8_t secondResult[] = { 0, 0, 0, 2, 1, 2, 0, 0, 0, 3, 5, 6, 7 };
+ ccn_read_uint(kUnitBufferN, unitBuffer, sizeof(secondResult) - 10, secondResult + 10);
+ AppendMPI(result, kUnitBufferN, unitBuffer);
+
+ ok(CFDataMatches(result, sizeof(secondResult), secondResult), "Didn't append zero");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t thirdResult[] = { 0, 0, 0, 1, 1 };
+ ccn_read_uint(kUnitBufferN, unitBuffer, sizeof(thirdResult) - 4, thirdResult + 4);
+ AppendMPI(result, kUnitBufferN, unitBuffer);
+
+ ok(CFDataMatches(result, sizeof(thirdResult), thirdResult), "Didn't insert zero");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t fourthResult[] = { 0, 0, 0, 7, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF };
+ ccn_read_uint(kUnitBufferN, unitBuffer, sizeof(fourthResult) - 4, fourthResult + 4);
+ AppendMPI(result, kUnitBufferN, unitBuffer);
+
+ ok(CFDataMatches(result, sizeof(fourthResult), fourthResult), "Didn't insert zero");
+
+ CFRelease(result);
+
+ result = CFDataCreateMutable(kCFAllocatorDefault, 0);
+
+ const uint8_t paddedData[] = { 0, 0xCC, 0xDD, 0xEE, 0xFF, 0xAA };
+ const uint8_t shortenedResult[] = { 0, 0, 0, 5, 0xCC, 0xDD, 0xEE, 0xFF, 0xAA };
+ ccn_read_uint(kUnitBufferN, unitBuffer, sizeof(paddedData), paddedData);
+ AppendMPI(result, kUnitBufferN, unitBuffer);
+
+ ok(CFDataMatches(result, sizeof(shortenedResult), shortenedResult), "Didn't insert zero");
+
+ CFRelease(result);
+
+}
+
+int otr_packetdata(int argc, char *const * argv)
+{
+ plan_tests(17);
+
+ testAppendShort();
+ testAppendLong();
+ testAppendData();
+ testAppendMPI();
+
+ return 0;
+}
+