Entity::Entity(const Sprite &sprite, Stream &sr) :EntityWorldProxy(sr), m_sprite(sprite) {
resetAnimState();
u8 flags;
sr.unpack(flags, m_pos, m_dir_angle);
m_is_seq_finished = flags & flag_is_finished;
m_is_seq_looped = flags & flag_is_looped;
if(flags & flag_compressed) {
u8 frame_idx, seq_idx, dir_idx;
sr.unpack(seq_idx, frame_idx, dir_idx);
m_frame_idx = frame_idx;
m_seq_idx = seq_idx;
m_dir_idx = dir_idx;
}
else
sr.unpack(m_seq_idx, m_frame_idx, m_dir_idx);
if(flags & flag_has_overlay) {
m_oseq_idx = decodeInt(sr);
m_oframe_idx = decodeInt(sr);
}
else {
m_oseq_idx = -1;
m_oframe_idx = -1;
}
}
const int3 decodeInt3(Stream &sr) {
int3 out;
out.x = decodeInt(sr);
out.y = decodeInt(sr);
out.z = decodeInt(sr);
return out;
}
bool LogEncoderDecoder::decodeFileInvalidationEntry(char *buf, int16_t size,
int64_t ×tamp,
int64_t &seqId) {
folly::ByteRange br((uint8_t *)buf, size);
try {
timestamp = decodeInt(br);
seqId = decodeInt(br);
} catch (const std::exception &ex) {
LOG(ERROR) << "got exception " << folly::exceptionStr(ex);
return false;
}
return !checkForOverflow(br.start() - (uint8_t *)buf, size);
}
void Inventory::load(Stream &sr) {
int count = decodeInt(sr);
ASSERT(count >= 0 && count <= max_entries);
m_entries.clear();
for(int n = 0; n < count; n++) {
int icount = decodeInt(sr);
ASSERT(icount > 0);
Item item(sr);
m_entries.emplace_back(Entry{item, icount});
}
}
Actor::Actor(Stream &sr)
:EntityImpl(sr), m_actor(*m_proto.actor) {
m_inventory.setDummyWeapon(Weapon(*m_actor.punch_weapon));
u8 flags;
sr.unpack(flags, m_stance, m_action);
m_hit_points = decodeInt(sr);
m_sound_variation = decodeInt(sr);
m_client_id = decodeInt(sr);
m_faction_id = decodeInt(sr);
if(flags & 1)
sr >> m_target_angle;
else
void LZ78D::readToken() {
int uncompressedSeqSize = 0;
while(!input.getNextBit())
++uncompressedSeqSize;
if(uncompressedSeqSize != 0) {
for(int i = 0; i < uncompressedSeqSize; ++i)
buffer.push_back(input.getBunchOfBits(8));
dictionary.push_back(make_pair(nextAvailableBytePos, buffer.size()-1));
} else {
int entry = decodeInt(), mismatchingByte = input.getBunchOfBits(8);
for(int i = dictionary[entry].first; i <= dictionary[entry].second; ++i)
buffer.push_back(buffer[i]);
buffer.push_back(mismatchingByte);
dictionary.push_back(make_pair(nextAvailableBytePos, buffer.size() - 1));
}
if(dictionary.size() >= dictionaryMaxSize) {
dictionary.resize(1);
for(int i = 0; i + nextAvailableBytePos < buffer.size(); ++i) {
buffer[i] = buffer[nextAvailableBytePos+i];
}
buffer.resize(buffer.size()-nextAvailableBytePos);
nextAvailableBytePos = 0;
}
}
/**
* Decode the simple type "charsType"
*
* @param out The out parameter, returning a string contaning the decoded value
* @param bufferPos The buffer containing the BIXIE encoded data
*
* @return Returns and integer error flag if an error occurred
*/
int decodeCharsType(char** out, byte** bufferPos){
int nOfVarintBytes = 1, i, nOfCharTypes = 0;
char* intStr;
char* tempStr;
char CharType[5];
decodeInt(&intStr, bufferPos);
nOfCharTypes = atoi(intStr);
free(intStr);
while(((*bufferPos)[nOfVarintBytes-1] & 0x80) == 0x80) {
nOfVarintBytes++;
}
if (nOfCharTypes == 0) {
asprintf(out, "");
}
tempStr = (char*) malloc ((nOfCharTypes*4)+1);
tempStr[0] = '\0';
for(i = 0; i < nOfCharTypes; i++) {
sprintf(CharType, "\\x%.2x", (byte) ((*bufferPos)[i]));
strcat(tempStr, CharType);
}
*out = (char*) malloc ((strlen(tempStr)+1)*sizeof(char)); //Remembering +1 for the null terminator
strcpy(*out, tempStr);
free(tempStr);
*bufferPos += nOfCharTypes;
return NORMAL_RUN;
}
static uint32_t readString(const std::vector<uint8_t>& buffer, uint32_t offset, std::string& result)
{
uint32_t originalOffset = offset;
uint16_t length;
uint32_t ret = decodeInt(buffer, offset, 2, length);
if (ret == 0)
{
return 0;
}
offset += ret;
if (buffer.size() - offset < length)
{
return 0;
}
result.assign(reinterpret_cast<const char*>(buffer.data() + offset), length);
offset += length;
return offset - originalOffset;
}
static uint32_t readStrictArray(const std::vector<uint8_t>& buffer, uint32_t offset, std::vector<Node>& result)
{
uint32_t originalOffset = offset;
uint32_t count;
uint32_t ret = decodeInt(buffer, offset, 4, count);
if (ret == 0)
{
return 0;
}
offset += ret;
for (uint32_t i = 0; i < count; ++i)
{
Node node;
if (!node.decode(buffer, offset))
{
return 0;
}
result.push_back(node);
}
return offset - originalOffset;
}
void decodeByteBuffer(
RCF::ByteBuffer & value,
const RCF::ByteBuffer & byteBuffer,
std::size_t & pos)
{
int len_ = 0;
decodeInt(len_, byteBuffer, pos);
std::size_t len = static_cast<unsigned int>(len_);
RCF_VERIFY(
pos+len <= byteBuffer.getLength(),
RCF::Exception(RCF::_RcfError_Decoding()));
if (len == 0)
{
value = RCF::ByteBuffer(value, 0, 0);
}
else
{
if (value.getLength() < len)
{
value = RCF::ByteBuffer(len);
}
value = RCF::ByteBuffer(value, 0, len);
memcpy(value.getPtr(), byteBuffer.getPtr()+pos, len);
}
pos += len;
}
static err_t testStruct_decode(buf_t *in, void *out) {
struct testStruct *x = (struct testStruct *)out;
vomControl ctl = controlNone;
uint64_t index;
while (true) {
err_t err = decodeVar128(in, &index, &ctl); ck();
if (ctl == controlEnd) {
return ERR_OK;
}
if (ctl != controlNone) {
// unexpected control message here
err = ERR_DECVOM; ck();
}
switch (index) {
case 0:
err = decodeInt(in, &x->A); ck();
break;
case 1:
err = decodeDouble(in, &x->B); ck();
break;
case 2:
err = inner_decode(in, &x->Inner); ck();
break;
default:
// unexpected index number.
err = ERR_DECVOM; ck();
}
}
return ERR_OK;
};
static SECStatus
readItem(PRFileDesc *fd, SECItem *item)
{
unsigned char buf[4];
int bytesRead;
bytesRead = PR_Read(fd, buf, 4);
if (bytesRead != 4) {
return SECFailure;
}
item->len = decodeInt(buf);
item->data = PORT_Alloc(item->len);
if (item->data == NULL) {
item->len = 0;
return SECFailure;
}
bytesRead = PR_Read(fd, item->data, item->len);
if (bytesRead != item->len) {
PORT_Free(item->data);
item->data = NULL;
item->len = 0;
return SECFailure;
}
return SECSuccess;
}
void decodeInt(
boost::uint32_t & value,
const RCF::ByteBuffer & byteBuffer,
std::size_t & pos)
{
int nValue = 0;
decodeInt(nValue, byteBuffer, pos);
value = static_cast<boost::uint32_t>(nValue);
}
bool LogEncoderDecoder::decodeFileCreationEntry(char *buf, int16_t size,
int64_t ×tamp,
std::string &fileName,
int64_t &seqId,
int64_t &fileSize) {
folly::ByteRange br((uint8_t *)buf, size);
try {
timestamp = decodeInt(br);
if (!decodeString(br, buf, size, fileName)) {
return false;
}
seqId = decodeInt(br);
fileSize = decodeInt(br);
} catch (const std::exception &ex) {
LOG(ERROR) << "got exception " << folly::exceptionStr(ex);
return false;
}
return !checkForOverflow(br.start() - (uint8_t *)buf, size);
}
void ActorInventory::load(Stream &sr) {
Inventory::load(sr);
u8 flags;
sr >> flags;
m_weapon = flags & 1? Weapon(Item(sr)) : m_dummy_weapon;
m_armour = flags & 2? Armour(Item(sr)) : Item::dummyArmour();
m_ammo.item = flags & 4? Item(sr) : Item::dummyAmmo();
m_ammo.count = flags & 4? decodeInt(sr) : 0;
}
uint32_t TSaslTransport::readLength() {
uint8_t lenBuf[PAYLOAD_LENGTH_BYTES];
transport_->readAll(lenBuf, PAYLOAD_LENGTH_BYTES);
int32_t len = decodeInt(lenBuf, 0);
if (len < 0) {
throw TTransportException("Frame size has negative value");
}
return static_cast<uint32_t>(len);
}
/* Zipfile seeking functions */
static int
seek_to_central_directory(FILE *f)
{
long minstart, size, i;
int state;
char *buf;
minstart = 65557;
fseek(f, 0, SEEK_END);
size = ftell(f);
if (minstart > size) {
minstart = size;
}
fseek(f, -minstart, SEEK_END);
buf = (char *)malloc(minstart);
if (!buf) {
/* Disastrous memory exhaustion failure. Fragmentation? */
return 0;
}
if ((long)fread(&buf[0], 1, minstart, f) != minstart) {
/* Couldn't read the file suffix. Probably a premature EOF. */
/* This really shouldn't happen */
free(buf);
return 0;
}
state = 0;
for (i = minstart - 19; i >= 0; --i) {
switch(buf[i]) {
case 0x06:
state = 1;
break;
case 0x05:
state = (state == 1) ? 2 : 0;
break;
case 0x4b:
state = (state == 2) ? 3 : 0;
break;
case 0x50:
if (state == 3) {
fseek(f, decodeInt((unsigned char *)buf+i+16), SEEK_SET);
free(buf);
/* Found it! */
return 1;
}
state = 0;
break;
default:
state = 0;
break;
}
}
free(buf);
/* Not a ZIP archive */
return 0;
}
bool LogEncoderDecoder::decodeLogHeader(char *buf, int16_t size,
int64_t ×tamp, int &version,
std::string &recoveryId,
std::string &senderIp,
int64_t &config) {
folly::ByteRange br((uint8_t *)buf, size);
try {
timestamp = decodeInt(br);
version = decodeInt(br);
if (!decodeString(br, buf, size, recoveryId)) {
return false;
}
if (!decodeString(br, buf, size, senderIp)) {
return false;
}
config = decodeInt(br);
} catch (const std::exception &ex) {
LOG(ERROR) << "got exception " << folly::exceptionStr(ex);
return false;
}
return !checkForOverflow(br.start() - (uint8_t *)buf, size);
}
const char* KeyPrefix::decode(const char* start, const char* limit, KeyPrefix* result)
{
if (start == limit)
return 0;
unsigned char firstByte = *start++;
int databaseIdBytes = ((firstByte >> 5) & 0x7) + 1;
int objectStoreIdBytes = ((firstByte >> 2) & 0x7) + 1;
int indexIdBytes = (firstByte & 0x3) + 1;
if (start + databaseIdBytes + objectStoreIdBytes + indexIdBytes > limit)
return 0;
result->m_databaseId = decodeInt(start, start + databaseIdBytes);
start += databaseIdBytes;
result->m_objectStoreId = decodeInt(start, start + objectStoreIdBytes);
start += objectStoreIdBytes;
result->m_indexId = decodeInt(start, start + indexIdBytes);
start += indexIdBytes;
return start;
}
void decodeString(
std::string &value,
const RCF::ByteBuffer &byteBuffer,
std::size_t &pos)
{
int len_ = 0;
decodeInt(len_, byteBuffer, pos);
std::size_t len = static_cast<unsigned int>(len_);
RCF_VERIFY(
pos+len <= byteBuffer.getLength(),
RCF::Exception(RCF::_RcfError_Decoding()));
value.assign(byteBuffer.getPtr()+pos, len);
pos += len;
}
static uint32_t readECMAArray(const std::vector<uint8_t>& buffer, uint32_t offset, std::map<std::string, Node>& result)
{
uint32_t originalOffset = offset;
uint32_t count;
uint32_t ret = decodeInt(buffer, offset, 4, count);
if (ret == 0)
{
return 0;
}
offset += ret;
for (uint32_t i = 0; i < count; ++i)
{
std::string key;
ret = readString(buffer, offset, key);
if (ret == 0)
{
return 0;
}
offset += ret;
Node node;
ret = node.decode(buffer, offset);
if (ret == 0)
{
return 0;
}
offset += ret;
result[key] = node;
}
return offset - originalOffset;
}
/**
* Decode the simple type "String"
*
* @param out The out parameter, returning a string contaning the decoded value
* @param bufferPos The buffer containing the BIXIE encoded data
*
* @return Returns and integer error flag if an error occurred
*/
int decodeString(char** out, byte** bufferPos) {
int sizeOfLeadingVarint = 1, inputSize;
char* inputSizeString;
char tempStr[4096];
while(((*bufferPos)[sizeOfLeadingVarint-1] & 0x80) == 0x80) {
sizeOfLeadingVarint++;
}
decodeInt(&inputSizeString, bufferPos);
inputSize = atoi(inputSizeString);
free(inputSizeString);
int outBytes = smaz_decompress(*bufferPos, inputSize, tempStr, sizeof(tempStr));
*out = (char*) malloc(outBytes *sizeof(char) + 1);
memcpy(*out, tempStr, outBytes);
(*out)[outBytes] = '\0';
*bufferPos += inputSize;
return NORMAL_RUN;
}
static uint32_t readDate(const std::vector<uint8_t>& buffer, uint32_t offset, Date& result)
{
uint32_t originalOffset = offset;
uint32_t ret = decodeDouble(buffer, offset, result.ms);
if (ret == 0) // date in milliseconds from 01/01/1970
{
return 0;
}
offset += ret;
ret = decodeInt(buffer, offset, 4, result.timezone);
if (ret == 0) // unsupported timezone
{
return 0;
}
offset += ret;
return offset - originalOffset;
}
/**
* Read a complete Thrift SASL message.
*
* @return The SASL status and payload from this message.
* @throws TTransportException
* Thrown if there is a failure reading from the underlying
* transport, or if a status code of BAD or ERROR is encountered.
*/
uint8_t* TSaslTransport::receiveSaslMessage(NegotiationStatus* status,
uint32_t* length) {
uint8_t messageHeader[HEADER_LENGTH];
// read header
transport_->readAll(messageHeader, HEADER_LENGTH);
// get payload status
*status = (NegotiationStatus)messageHeader[0];
if ((*status < TSASL_START) || (*status > TSASL_COMPLETE)) {
throw TTransportException("invalid sasl status");
} else if (*status == TSASL_BAD || *status == TSASL_ERROR) {
throw TTransportException("sasl Peer indicated failure: ");
}
// get the length
*length = decodeInt(messageHeader, STATUS_BYTES);
// get payload
protoBuf_.reset(new uint8_t[*length]);
transport_->readAll(protoBuf_.get(), *length);
return protoBuf_.get();
}
bool IStream::begin(Node &node)
{
while (true)
{
Byte8 byte = 0;
read_byte(byte);
switch (byte)
{
case Blank:
{
Byte8 count = 0;
read_byte(count);
std::vector<Byte8> buffer(count);
UInt32 bytesRead = read( &(buffer[0]), count);
if (bytesRead != static_cast<UInt32>(count))
{
RCF::Exception e(RCF::_SfError_DataFormat());
RCF_THROW(e)(bytesRead)(count);
}
continue;
}
case BeginArchiveMetadata:
{
int runtimeVersion = 0;
int archiveVersion = 0;
bool pointerTrackingEnabled = false;
bool * pPointerTrackingEnabled = NULL;
const size_t BufferLen = 11;
char buffer[BufferLen] = {0};
RCF::ByteBuffer byteBuffer( &buffer[0], BufferLen);
std::size_t pos0 = static_cast<std::size_t>(mpIs->tellg());
#ifdef _MSC_VER
#pragma warning( push )
#pragma warning( disable : 4996 ) // warning C4996: 'std::basic_istream<_Elem,_Traits>::readsome': Function call with parameters that may be unsafe - this call relies on the caller to check that the passed values are correct. To disable this warning, use -D_SCL_SECURE_NO_WARNINGS. See documentation on how to use Visual C++ 'Checked Iterators'
#endif
std::size_t bytesRead = static_cast<std::size_t>(mpIs->readsome(buffer, BufferLen));
#ifdef _MSC_VER
#pragma warning( pop )
#endif
byteBuffer = RCF::ByteBuffer(byteBuffer, 0, bytesRead);
std::size_t pos1 = 0;
decodeInt(runtimeVersion, byteBuffer, pos1);
decodeInt(archiveVersion, byteBuffer, pos1);
if (runtimeVersion >= 10)
{
decodeBool(pointerTrackingEnabled, byteBuffer, pos1);
pPointerTrackingEnabled = &pointerTrackingEnabled;
}
mpIs->seekg(
static_cast<std::istream::off_type>(pos0 + pos1),
std::ios_base::beg);
if (!mIgnoreVersionStamp)
{
if (runtimeVersion)
{
mRuntimeVersion = runtimeVersion;
}
if (archiveVersion)
{
mArchiveVersion = archiveVersion;
}
}
if (pPointerTrackingEnabled && !*pPointerTrackingEnabled)
{
getTrackingContext().setEnabled(false);
}
continue;
}
case Begin:
{
read_byte( byte );
Byte8 attrSpec = byte;
// id
if (attrSpec & 1)
{
read_int(node.id);
}
// ref
attrSpec = attrSpec >> 1;
if (attrSpec & 1)
{
node.ref = 1;
}
// type
attrSpec = attrSpec >> 1;
if (attrSpec & 1)
{
UInt32 length = 0;
read_int(length);
node.type.allocate(length);
read(node.type.get(), length );
}
// label
attrSpec = attrSpec >> 1;
if (attrSpec & 1)
{
UInt32 length = 0;
read_int(length);
node.label.allocate(length);
read(node.label.get(), length);
}
return true;
}
default:
{
RCF::Exception e(RCF::_SfError_DataFormat());
RCF_THROW(e)(byte);
}
}
}
}
int32_t BamBam_BamSingleAlignment_GetTLen(BamBam_BamSingleAlignment const * data)
{
return decodeInt(data->data + 28, 4);
}
void ServerStatusChunk::load(Stream &sr) {
sr.unpack(address.ip, address.port, game_mode, is_passworded);
sr >> server_name >> map_name;
num_players = decodeInt(sr);
max_players = decodeInt(sr);
}
bool Sender::handlePacket(const rtmp::Packet& packet)
{
switch (packet.messageType)
{
case rtmp::MessageType::SET_CHUNK_SIZE:
{
uint32_t offset = 0;
uint32_t ret = decodeInt(packet.data, offset, 4, inChunkSize);
if (ret == 0)
{
return false;
}
#ifdef DEBUG
std::cout << "Chunk size: " << inChunkSize << std::endl;
#endif
sendSetChunkSize();
break;
}
case rtmp::MessageType::PING:
{
uint32_t offset = 0;
uint16_t pingType;
uint32_t ret = decodeInt(packet.data, offset, 2, pingType);
if (ret == 0)
{
return false;
}
offset += ret;
uint32_t param;
ret = decodeInt(packet.data, offset, 4, param);
if (ret == 0)
{
return false;
}
offset += ret;
#ifdef DEBUG
std::cout << "Ping type: " << pingType << ", param: " << param << std::endl;
#endif
break;
}
case rtmp::MessageType::SERVER_BANDWIDTH:
{
uint32_t offset = 0;
uint32_t bandwidth;
uint32_t ret = decodeInt(packet.data, offset, 4, bandwidth);
if (ret == 0)
{
return false;
}
offset += ret;
#ifdef DEBUG
std::cout << "Server bandwidth: " << bandwidth << std::endl;
#endif
break;
}
case rtmp::MessageType::CLIENT_BANDWIDTH:
{
uint32_t offset = 0;
uint32_t bandwidth;
uint32_t ret = decodeInt(packet.data, offset, 4, bandwidth);
if (ret == 0)
{
return false;
}
offset += ret;
uint8_t type;
ret = decodeInt(packet.data, offset, 1, type);
if (ret == 0)
{
return false;
}
offset += ret;
#ifdef DEBUG
std::cout << "Client bandwidth: " << bandwidth << ", type: " << static_cast<uint32_t>(type) << std::endl;
#endif
break;
}
case rtmp::MessageType::NOTIFY:
{
break;
}
case rtmp::MessageType::AUDIO_PACKET:
{
// ignore this, sender should not receive audio data
break;
}
case rtmp::MessageType::VIDEO_PACKET:
{
// ignore this, sender should not receive video data
break;
}
case rtmp::MessageType::INVOKE:
{
uint32_t offset = 0;
amf0::Node command;
uint32_t ret = command.decode(packet.data, offset);
if (ret == 0)
{
return false;
}
offset += ret;
#ifdef DEBUG
std::cout << "INVOKE command: ";
command.dump();
#endif
amf0::Node transactionId;
ret = transactionId.decode(packet.data, offset);
if (ret == 0)
{
return false;
}
offset += ret;
#ifdef DEBUG
std::cout << "Transaction ID: ";
transactionId.dump();
#endif
amf0::Node argument1;
if ((ret = argument1.decode(packet.data, offset)) > 0)
{
offset += ret;
#ifdef DEBUG
std::cout << "Argument 1: ";
argument1.dump();
#endif
}
amf0::Node argument2;
if ((ret = argument2.decode(packet.data, offset)) > 0)
{
offset += ret;
#ifdef DEBUG
std::cout << "Argument 2: ";
argument2.dump();
#endif
}
if (command.asString() == "onBWDone")
{
sendCheckBW();
}
else if (command.asString() == "onFCPublish")
{
}
else if (command.asString() == "_error")
{
auto i = invokes.find(static_cast<uint32_t>(transactionId.asDouble()));
if (i != invokes.end())
{
std::cerr << i->second << " error" << std::endl;
invokes.erase(i);
}
}
else if (command.asString() == "_result")
{
auto i = invokes.find(static_cast<uint32_t>(transactionId.asDouble()));
if (i != invokes.end())
{
std::cerr << i->second << " result" << std::endl;
if (i->second == "connect")
{
connected = true;
if (!streamName.empty())
{
sendReleaseStream();
sendFCPublish();
sendCreateStream();
}
}
else if (i->second == "releaseStream")
{
}
else if (i->second == "createStream")
{
streamId = static_cast<uint32_t>(argument2.asDouble());
sendPublish();
streaming = true;
}
invokes.erase(i);
}
}
break;
}
default:
{
std::cerr << "Unhandled message" << std::endl;
break;
}
}
return true;
}
int AbstractNumberModel<T>::decompressNumber(BinaryCode& code, unsigned int& num) const{
int ret = decodeInt(code, num);
if(ret < 0)
return ret;
return 0;
}
static PRBool
blapi_SHVerifyFile(const char *shName, PRBool self)
{
char *checkName = NULL;
PRFileDesc *checkFD = NULL;
PRFileDesc *shFD = NULL;
void *hashcx = NULL;
const SECHashObject *hashObj = NULL;
SECItem signature = { 0, NULL, 0 };
SECItem hash;
int bytesRead, offset;
SECStatus rv;
DSAPublicKey key;
int count;
#ifdef FREEBL_USE_PRELINK
int pid = 0;
#endif
PRBool result = PR_FALSE; /* if anything goes wrong,
* the signature does not verify */
unsigned char buf[4096];
unsigned char hashBuf[HASH_LENGTH_MAX];
PORT_Memset(&key,0,sizeof(key));
hash.data = hashBuf;
hash.len = sizeof(hashBuf);
/* If our integrity check was never ran or failed, fail any other
* integrity checks to prevent any token going into FIPS mode. */
if (!self && (BL_FIPSEntryOK(PR_FALSE) != SECSuccess)) {
return PR_FALSE;
}
if (!shName) {
goto loser;
}
/* figure out the name of our check file */
checkName = mkCheckFileName(shName);
if (!checkName) {
goto loser;
}
/* open the check File */
checkFD = PR_Open(checkName, PR_RDONLY, 0);
if (checkFD == NULL) {
#ifdef DEBUG_SHVERIFY
fprintf(stderr, "Failed to open the check file %s: (%d, %d)\n",
checkName, (int)PR_GetError(), (int)PR_GetOSError());
#endif /* DEBUG_SHVERIFY */
goto loser;
}
/* read and Verify the headerthe header */
bytesRead = PR_Read(checkFD, buf, 12);
if (bytesRead != 12) {
goto loser;
}
if ((buf[0] != NSS_SIGN_CHK_MAGIC1) || (buf[1] != NSS_SIGN_CHK_MAGIC2)) {
goto loser;
}
if ((buf[2] != NSS_SIGN_CHK_MAJOR_VERSION) ||
(buf[3] < NSS_SIGN_CHK_MINOR_VERSION)) {
goto loser;
}
#ifdef notdef
if (decodeInt(&buf[8]) != CKK_DSA) {
goto loser;
}
#endif
/* seek past any future header extensions */
offset = decodeInt(&buf[4]);
if (PR_Seek(checkFD, offset, PR_SEEK_SET) < 0) {
goto loser;
}
/* read the key */
rv = readItem(checkFD,&key.params.prime);
if (rv != SECSuccess) {
goto loser;
}
rv = readItem(checkFD,&key.params.subPrime);
if (rv != SECSuccess) {
goto loser;
}
rv = readItem(checkFD,&key.params.base);
if (rv != SECSuccess) {
goto loser;
}
rv = readItem(checkFD,&key.publicValue);
if (rv != SECSuccess) {
goto loser;
}
/* read the siganture */
rv = readItem(checkFD,&signature);
if (rv != SECSuccess) {
goto loser;
}
/* done with the check file */
PR_Close(checkFD);
checkFD = NULL;
hashObj = HASH_GetRawHashObject(PQG_GetHashType(&key.params));
if (hashObj == NULL) {
goto loser;
}
/* open our library file */
#ifdef FREEBL_USE_PRELINK
shFD = bl_OpenUnPrelink(shName,&pid);
#else
shFD = PR_Open(shName, PR_RDONLY, 0);
#endif
if (shFD == NULL) {
#ifdef DEBUG_SHVERIFY
fprintf(stderr, "Failed to open the library file %s: (%d, %d)\n",
shName, (int)PR_GetError(), (int)PR_GetOSError());
#endif /* DEBUG_SHVERIFY */
goto loser;
}
/* hash our library file with SHA1 */
hashcx = hashObj->create();
if (hashcx == NULL) {
goto loser;
}
hashObj->begin(hashcx);
count = 0;
while ((bytesRead = PR_Read(shFD, buf, sizeof(buf))) > 0) {
hashObj->update(hashcx, buf, bytesRead);
count += bytesRead;
}
#ifdef FREEBL_USE_PRELINK
bl_CloseUnPrelink(shFD, pid);
#else
PR_Close(shFD);
#endif
shFD = NULL;
hashObj->end(hashcx, hash.data, &hash.len, hash.len);
/* verify the hash against the check file */
if (DSA_VerifyDigest(&key, &signature, &hash) == SECSuccess) {
result = PR_TRUE;
}
#ifdef DEBUG_SHVERIFY
{
int i,j;
fprintf(stderr,"File %s: %d bytes\n",shName, count);
fprintf(stderr," hash: %d bytes\n", hash.len);
#define STEP 10
for (i=0; i < hash.len; i += STEP) {
fprintf(stderr," ");
for (j=0; j < STEP && (i+j) < hash.len; j++) {
fprintf(stderr," %02x", hash.data[i+j]);
}
fprintf(stderr,"\n");
}
fprintf(stderr," signature: %d bytes\n", signature.len);
for (i=0; i < signature.len; i += STEP) {
fprintf(stderr," ");
for (j=0; j < STEP && (i+j) < signature.len; j++) {
fprintf(stderr," %02x", signature.data[i+j]);
}
fprintf(stderr,"\n");
}
fprintf(stderr,"Verified : %s\n",result?"TRUE": "FALSE");
}
#endif /* DEBUG_SHVERIFY */
loser:
if (checkName != NULL) {
PORT_Free(checkName);
}
if (checkFD != NULL) {
PR_Close(checkFD);
}
if (shFD != NULL) {
PR_Close(shFD);
}
if (hashcx != NULL) {
if (hashObj) {
hashObj->destroy(hashcx,PR_TRUE);
}
}
if (signature.data != NULL) {
PORT_Free(signature.data);
}
if (key.params.prime.data != NULL) {
PORT_Free(key.params.prime.data);
}
if (key.params.subPrime.data != NULL) {
PORT_Free(key.params.subPrime.data);
}
if (key.params.base.data != NULL) {
PORT_Free(key.params.base.data);
}
if (key.publicValue.data != NULL) {
PORT_Free(key.publicValue.data);
}
return result;
}
