/*Callback function for cURL (favIcon download)*/
static size_t
WriteMemoryCallback(void *ptr, size_t size, size_t nmemb, void *data)
{
size_t realsize = size *nmemb;
BMallocIO *mallocIO = (BMallocIO *)data;
return mallocIO->Write(ptr, realsize);
}
void P2PContents::AddField(const char *field, const char *contents, int32 length = -1) {
fDirty = true;
if (length == -1) length = strlen(contents);
BMallocIO * value = new BMallocIO();
value->Write(contents, length);
fFields[field] = value;
};
int32 DeriveKey(const void *key, int32 keyLen, const uchar *magic, int32 magicLen, uchar **result) {
uchar hash1[EVP_MAX_MD_SIZE];
uchar hash2[EVP_MAX_MD_SIZE];
uchar hash3[EVP_MAX_MD_SIZE];
uchar hash4[EVP_MAX_MD_SIZE];
unsigned int hash1Len = 0;
unsigned int hash2Len = 0;
unsigned int hash3Len = 0;
unsigned int hash4Len = 0;
int32 length = B_ERROR;
BMallocIO temp;
// HMAC-SHA1(magic)
HMAC(EVP_sha1(), key, keyLen, magic, magicLen, hash1, &hash1Len);
// Key 2 is HMAC-SHA1(HMAC-SHA1(magic) + magic)
temp.Write(hash1, hash1Len);
temp.Write(magic, magicLen);
HMAC(EVP_sha1(), key, keyLen, (uchar *)temp.Buffer(), temp.BufferLength(), hash2, &hash2Len);
// HMAC-SHA1(HMAC-SHA1(magic))
HMAC(EVP_sha1(), key, keyLen, hash1, hash1Len, hash3, &hash3Len);
// Clear the BMallocIO and reset the position to 0
temp.SetSize(0);
temp.Seek(0, SEEK_SET);
// Key 4 is HMAC-SHA1(HMAC-SHA1(HMAC-SHA1(magic)) + magic)
temp.Write(hash3, hash3Len);
temp.Write(magic, magicLen);
HMAC(EVP_sha1(), key, keyLen, (uchar *)temp.Buffer(), temp.BufferLength(), hash4, &hash4Len);
// The key is Hash2 followed by the first four bytes of Hash4
length = hash2Len + 4;
*result = (uchar *)calloc(length, sizeof(uchar));
memcpy(*result, hash2, hash2Len);
memcpy(*result + hash2Len, hash4, 4);
return length;
};
void
MallocBufferLengthTest::PerformTest(void)
{
BMallocIO mem;
size_t size;
size_t bufLen;
status_t error;
off_t offset;
char writeBuf[11] = "0123456789";
NextSubTest();
bufLen = mem.BufferLength();
CPPUNIT_ASSERT(bufLen == 0);
NextSubTest();
size = mem.Write(writeBuf, 10);
bufLen = mem.BufferLength();
CPPUNIT_ASSERT(bufLen == 10);
CPPUNIT_ASSERT(size = 10);
NextSubTest();
error = mem.SetSize(0);
bufLen = mem.BufferLength();
CPPUNIT_ASSERT(bufLen == 0);
CPPUNIT_ASSERT(error == B_OK);
//This is for the BResource crashing bug
NextSubTest();
error = mem.SetSize(200);
bufLen = mem.BufferLength();
offset = mem.Seek(0, SEEK_END);
CPPUNIT_ASSERT(bufLen == 200);
CPPUNIT_ASSERT(error == B_OK);
CPPUNIT_ASSERT(offset == 200);
NextSubTest();
offset = mem.Seek(0, SEEK_END);
error = mem.SetSize(100);
bufLen = mem.BufferLength();
CPPUNIT_ASSERT(bufLen == 100);
CPPUNIT_ASSERT(mem.Position() == offset);
}
ssize_t
CamStreamingDeframer::Write(const void *buffer, size_t size)
{
int i = -1;
int j;
int end = size;
int which;
const uint8 *buf = (const uint8 *)buffer;
int bufsize = size;
bool detach = false;
bool discard = false;
//PRINT((CH "(%p, %d); state=%s framesz=%u queued=%u" CT, buffer, size, (fState==ST_SYNC)?"sync":"frame", (size_t)(fCurrentFrame?(fCurrentFrame->Position()):-1), (size_t)fInputBuff.Position()));
if (!fCurrentFrame) {
BAutolock l(fLocker);
if (fFrames.CountItems() < MAXFRAMEBUF)
fCurrentFrame = AllocFrame();
else {
PRINT((CH "DROPPED %d bytes! (too many queued frames)" CT, size));
return size; // drop XXX
}
}
// update in case resolution changed
fMinFrameSize = fDevice->MinRawFrameSize();
fMaxFrameSize = fDevice->MaxRawFrameSize();
if (fInputBuff.Position()) {
// residual data ? append to it
fInputBuff.Write(buffer, size);
// and use it as input buf
buf = (uint8 *)fInputBuff.Buffer();
bufsize = fInputBuff.BufferLength();
end = bufsize;
}
// whole buffer belongs to a frame, simple
if ((fState == ST_FRAME) && (fCurrentFrame->Position() + bufsize < fMinFrameSize)) {
// no residual data, and
fCurrentFrame->Write(buf, bufsize);
fInputBuff.Seek(0LL, SEEK_SET);
fInputBuff.SetSize(0);
return size;
}
// waiting for a frame...
if (fState == ST_SYNC) {
i = 0;
while ((j = FindSOF(buf+i, bufsize-i, &which)) > -1) {
i += j;
if (fDevice->ValidateStartOfFrameTag(buf+i, fSkipSOFTags))
break;
i++;
}
// got one
if (j >= 0) {
PRINT((CH ": SOF[%d] at offset %d" CT, which, i));
//PRINT((CH ": SOF: ... %02x %02x %02x %02x %02x %02x" CT, buf[i+6], buf[i+7], buf[i+8], buf[i+9], buf[i+10], buf[i+11]));
int start = i + fSkipSOFTags;
buf += start;
bufsize -= start;
end = bufsize;
fState = ST_FRAME;
}
}
// check for end of frame
if (fState == ST_FRAME) {
#if 0
int j, k;
i = -1;
k = 0;
while ((j = FindEOF(buf + k, bufsize - k, &which)) > -1) {
k += j;
//PRINT((CH "| EOF[%d] at offset %d; pos %Ld" CT, which, k, fCurrentFrame->Position()));
if (fCurrentFrame->Position()+k >= fMinFrameSize) {
i = k;
break;
}
k++;
if (k >= bufsize)
break;
}
#endif
#if 1
i = 0;
if (fCurrentFrame->Position() < fMinFrameSize) {
if (fCurrentFrame->Position() + bufsize >= fMinFrameSize)
i = (fMinFrameSize - (size_t)fCurrentFrame->Position());
else
i = bufsize;
}
PRINT((CH ": checking for EOF; bufsize=%d i=%d" CT, bufsize, i));
if (i + (int)fSkipEOFTags > bufsize) { // not enough room to check for EOF, leave it for next time
end = i;
i = -1; // don't detach yet
} else {
PRINT((CH ": EOF? %02x [%02x %02x %02x %02x] %02x" CT, buf[i-1], buf[i], buf[i+1], buf[i+2], buf[i+3], buf[i+4]));
while ((j = FindEOF(buf + i, bufsize - i, &which)) > -1) {
i += j;
PRINT((CH "| EOF[%d] at offset %d; pos %Ld" CT, which, i, fCurrentFrame->Position()));
if (fCurrentFrame->Position()+i >= fMaxFrameSize) {
// too big: discard
//i = -1;
discard = true;
break;
}
if (fDevice->ValidateEndOfFrameTag(buf+i, fSkipEOFTags, fCurrentFrame->Position()+i))
break;
i++;
if (i >= bufsize) {
i = -1;
break;
}
}
if (j < 0)
i = -1;
}
#endif
if (i >= 0) {
PRINT((CH ": EOF[%d] at offset %d" CT, which, i));
end = i;
detach = true;
}
PRINT((CH ": writing %d bytes" CT, end));
if (end <= bufsize)
fCurrentFrame->Write(buf, end);
if (fCurrentFrame->Position() > fMaxFrameSize) {
fCurrentFrame->SetSize(fMaxFrameSize);
detach = true;
}
if (detach) {
BAutolock f(fLocker);
PRINT((CH ": Detaching a frame (%d bytes, end = %d, )" CT, (size_t)fCurrentFrame->Position(), end));
fCurrentFrame->Seek(0LL, SEEK_SET);
if (discard) {
delete fCurrentFrame;
} else {
fFrames.AddItem(fCurrentFrame);
release_sem(fFrameSem);
}
fCurrentFrame = NULL;
if (fFrames.CountItems() < MAXFRAMEBUF) {
fCurrentFrame = AllocFrame();
}
fState = ST_SYNC;
}
}
// put the remainder in input buff, discarding old data
#if 0
fInputBuff.Seek(0LL, SEEK_SET);
if (bufsize - end > 0)
fInputBuff.Write(buf+end, bufsize - end);
#endif
BMallocIO m;
m.Write(buf+end, bufsize - end);
fInputBuff.Seek(0LL, SEEK_SET);
if (bufsize - end > 0)
fInputBuff.Write(m.Buffer(), bufsize - end);
fInputBuff.SetSize(bufsize - end);
return size;
}
