void cb_manifest(FileServer_Private& client)
{
START_REPLY(e_FileToCli_ManifestReply);
// Trans ID
client.m_buffer.write<uint32_t>(DS::RecvValue<uint32_t>(client.m_sock));
// Manifest name
chr16_t mfsbuf[260];
DS::RecvBuffer(client.m_sock, mfsbuf, 260 * sizeof(chr16_t));
mfsbuf[259] = 0;
DS::String mfsname = DS::String::FromUtf16(mfsbuf);
// Build ID
uint32_t buildId = DS::RecvValue<uint32_t>(client.m_sock);
if (buildId && buildId != CLIENT_BUILD_ID) {
fprintf(stderr, "[File] Wrong Build ID from %s: %d\n",
DS::SockIpAddress(client.m_sock).c_str(), buildId);
DS::CloseSock(client.m_sock);
return;
}
// Manifest may not have any path characters
if (mfsname.find(".") != -1 || mfsname.find("/") != -1
|| mfsname.find("\\") != -1 || mfsname.find(":") != -1) {
fprintf(stderr, "[File] Invalid manifest request from %s: %s\n",
DS::SockIpAddress(client.m_sock).c_str(), mfsname.c_str());
client.m_buffer.write<uint32_t>(DS::e_NetFileNotFound);
client.m_buffer.write<uint32_t>(0); // Reader ID
client.m_buffer.write<uint32_t>(0); // File count
client.m_buffer.write<uint32_t>(0); // Data packet size
SEND_REPLY();
return;
}
DS::FileManifest manifest;
mfsname = DS::Settings::FileRoot() + mfsname + ".mfs";
DS::NetResultCode result = manifest.loadManifest(mfsname.c_str());
client.m_buffer.write<uint32_t>(result);
if (result != DS::e_NetSuccess) {
fprintf(stderr, "[File] %s requested invalid manifest %s\n",
DS::SockIpAddress(client.m_sock).c_str(), mfsname.c_str());
client.m_buffer.write<uint32_t>(0); // Reader ID
client.m_buffer.write<uint32_t>(0); // File count
client.m_buffer.write<uint32_t>(0); // Data packet size
} else {
client.m_buffer.write<uint32_t>(++client.m_readerId);
client.m_buffer.write<uint32_t>(manifest.fileCount());
uint32_t sizeLocation = client.m_buffer.tell();
client.m_buffer.write<uint32_t>(0);
uint32_t dataSize = manifest.encodeToStream(&client.m_buffer);
client.m_buffer.seek(sizeLocation, SEEK_SET);
client.m_buffer.write<uint32_t>(dataSize);
}
SEND_REPLY();
}
void cb_downloadStart(FileServer_Private& client)
{
START_REPLY(e_FileToCli_FileDownloadReply);
// Trans ID
client.m_buffer.write<uint32_t>(DS::RecvValue<uint32_t>(client.m_sock));
// Download filename
char16_t buffer[260];
DS::RecvBuffer(client.m_sock, buffer, sizeof(buffer));
buffer[259] = 0;
DS::String filename = DS::String::FromUtf16(buffer);
// Build ID
uint32_t buildId = DS::RecvValue<uint32_t>(client.m_sock);
if (buildId && buildId != DS::Settings::BuildId()) {
fprintf(stderr, "[File] Wrong Build ID from %s: %d\n",
DS::SockIpAddress(client.m_sock).c_str(), buildId);
DS::CloseSock(client.m_sock);
return;
}
// Ensure filename is jailed to our data path
if (filename.find("..") != -1) {
client.m_buffer.write<uint32_t>(DS::e_NetFileNotFound);
client.m_buffer.write<uint32_t>(0); // Reader ID
client.m_buffer.write<uint32_t>(0); // File size
client.m_buffer.write<uint32_t>(0); // Data packet size
SEND_REPLY();
return;
}
filename.replace("\\", "/");
filename = DS::Settings::FileRoot() + filename;
int fd = open(filename.c_str(), O_RDONLY);
if (fd < 0) {
fprintf(stderr, "[File] Could not open file %s\n[File] Requested by %s\n",
filename.c_str(), DS::SockIpAddress(client.m_sock).c_str());
client.m_buffer.write<uint32_t>(DS::e_NetFileNotFound);
client.m_buffer.write<uint32_t>(0); // Reader ID
client.m_buffer.write<uint32_t>(0); // File size
client.m_buffer.write<uint32_t>(0); // Data packet size
SEND_REPLY();
return;
}
std::unique_ptr<FileRequest> req(new FileRequest(fd));
client.m_buffer.write<uint32_t>(DS::e_NetSuccess);
client.m_buffer.write<uint32_t>(++client.m_readerId);
client.m_buffer.write<uint32_t>(req->m_size);
FileRequest::chunk_t c = req->nextChunk();
client.m_buffer.write<uint32_t>(std::get<1>(c));
SEND_FD_REPLY(req->m_fd, req->m_pos, std::get<1>(c));
if (!std::get<0>(c)) {
client.m_downloads[client.m_readerId] = std::move(req);
}
}
void cb_downloadStart(AuthServer_Private& client)
{
START_REPLY(e_AuthToCli_FileDownloadChunk);
// Trans ID
uint32_t transId = DS::CryptRecvValue<uint32_t>(client.m_sock, client.m_crypt);
client.m_buffer.write<uint32_t>(transId);
// Download filename
DS::String filename = DS::CryptRecvString(client.m_sock, client.m_crypt);
// Ensure filename is jailed to our data path
if (filename.find("..") != -1) {
client.m_buffer.write<uint32_t>(DS::e_NetFileNotFound);
client.m_buffer.write<uint32_t>(0); // File size
client.m_buffer.write<uint32_t>(0); // Chunk offset
client.m_buffer.write<uint32_t>(0); // Data packet size
SEND_REPLY();
return;
}
filename.replace("\\", "/");
filename = DS::Settings::AuthRoot() + filename;
DS::FileStream* stream = new DS::FileStream();
try {
stream->open(filename.c_str(), "rb");
} catch (const DS::FileIOException& ex) {
fprintf(stderr, "[Auth] Could not open file %s: %s\n[Auth] Requested by %s\n",
filename.c_str(), ex.what(), DS::SockIpAddress(client.m_sock).c_str());
client.m_buffer.write<uint32_t>(DS::e_NetFileNotFound);
client.m_buffer.write<uint32_t>(0); // File size
client.m_buffer.write<uint32_t>(0); // Chunk offset
client.m_buffer.write<uint32_t>(0); // Data packet size
SEND_REPLY();
delete stream;
return;
}
client.m_buffer.write<uint32_t>(DS::e_NetSuccess);
client.m_buffer.write<uint32_t>(stream->size());
client.m_buffer.write<uint32_t>(stream->tell());
uint8_t data[CHUNK_SIZE];
if (stream->size() > CHUNK_SIZE) {
client.m_buffer.write<uint32_t>(CHUNK_SIZE);
stream->readBytes(data, CHUNK_SIZE);
client.m_buffer.writeBytes(data, CHUNK_SIZE);
client.m_downloads[transId] = stream;
} else {
client.m_buffer.write<uint32_t>(stream->size());
stream->readBytes(data, stream->size());
client.m_buffer.writeBytes(data, stream->size());
delete stream;
}
SEND_REPLY();
}
void cb_fileList(AuthServer_Private& client)
{
START_REPLY(e_AuthToCli_FileListReply);
// Trans ID
client.m_buffer.write<uint32_t>(DS::CryptRecvValue<uint32_t>(client.m_sock, client.m_crypt));
DS::String directory = DS::CryptRecvString(client.m_sock, client.m_crypt);
DS::String fileext = DS::CryptRecvString(client.m_sock, client.m_crypt);
// Manifest may not have any path characters
if (directory.find(".") != -1 || directory.find("/") != -1
|| directory.find("\\") != -1 || directory.find(":") != -1
|| fileext.find(".") != -1 || fileext.find("/") != -1
|| fileext.find("\\") != -1 || fileext.find(":") != -1) {
fprintf(stderr, "[Auth] Invalid manifest request from %s: %s\\%s\n",
DS::SockIpAddress(client.m_sock).c_str(), directory.c_str(),
fileext.c_str());
client.m_buffer.write<uint32_t>(DS::e_NetFileNotFound);
client.m_buffer.write<uint32_t>(0); // Data packet size
SEND_REPLY();
return;
}
DS::String mfsname = DS::String::Format("%s%s_%s.list", DS::Settings::AuthRoot().c_str(),
directory.c_str(), fileext.c_str());
DS::AuthManifest mfs;
DS::NetResultCode result = mfs.loadManifest(mfsname.c_str());
client.m_buffer.write<uint32_t>(result);
if (result != DS::e_NetSuccess) {
fprintf(stderr, "[Auth] %s requested invalid manifest %s\n",
DS::SockIpAddress(client.m_sock).c_str(), mfsname.c_str());
client.m_buffer.write<uint32_t>(0); // Data packet size
} else {
uint32_t sizeLocation = client.m_buffer.tell();
client.m_buffer.write<uint32_t>(0);
uint32_t dataSize = mfs.encodeToStream(&client.m_buffer);
client.m_buffer.seek(sizeLocation, SEEK_SET);
client.m_buffer.write<uint32_t>(dataSize);
}
SEND_REPLY();
}
void DS::GameServer_Init()
{
dirent** dirls;
int count = scandir(DS::Settings::AgePath(), &dirls, &sel_age, &alphasort);
if (count < 0) {
fprintf(stderr, "[Game] Error reading age descriptors: %s\n", strerror(errno));
} else if (count == 0) {
fprintf(stderr, "[Game] Warning: No age descriptors found!\n");
free(dirls);
} else {
for (int i=0; i<count; ++i) {
DS::String filename = DS::String::Format("%s/%s", DS::Settings::AgePath(), dirls[i]->d_name);
FILE* ageFile = fopen(filename.c_str(), "r");
if (ageFile) {
char magic[12];
fread(magic, 1, 12, ageFile);
if (memcmp(magic, "whatdoyousee", 12) == 0 || memcmp(magic, "notthedroids", 12) == 0
|| memcmp(magic, "BriceIsSmart", 12) == 0) {
fprintf(stderr, "[Game] Error: Please decrypt your .age files before using!\n");
break;
}
fseek(ageFile, 0, SEEK_SET);
DS::String ageName = dirls[i]->d_name;
ageName = ageName.left(ageName.find(".age"));
Game_AgeInfo age = age_parse(ageFile);
if (age.m_seqPrefix >= 0)
s_ages[ageName] = age;
fclose(ageFile);
}
free(dirls[i]);
}
free(dirls);
}
pthread_mutex_init(&s_gameHostMutex, 0);
}
void cb_downloadStart(FileServer_Private& client)
{
START_REPLY(e_FileToCli_FileDownloadReply);
// Trans ID
client.m_buffer.write<uint32_t>(DS::RecvValue<uint32_t>(client.m_sock));
// Download filename
chr16_t buffer[260];
DS::RecvBuffer(client.m_sock, buffer, 260 * sizeof(chr16_t));
buffer[259] = 0;
DS::String filename = DS::String::FromUtf16(buffer);
// Build ID
uint32_t buildId = DS::RecvValue<uint32_t>(client.m_sock);
if (buildId && buildId != CLIENT_BUILD_ID) {
fprintf(stderr, "[File] Wrong Build ID from %s: %d\n",
DS::SockIpAddress(client.m_sock).c_str(), buildId);
DS::CloseSock(client.m_sock);
return;
}
// Ensure filename is jailed to our data path
if (filename.find("..") != -1) {
client.m_buffer.write<uint32_t>(DS::e_NetFileNotFound);
client.m_buffer.write<uint32_t>(0); // Reader ID
client.m_buffer.write<uint32_t>(0); // File size
client.m_buffer.write<uint32_t>(0); // Data packet size
SEND_REPLY();
return;
}
filename.replace("\\", "/");
filename = DS::Settings::FileRoot() + filename;
DS::FileStream* stream = new DS::FileStream();
try {
stream->open(filename.c_str(), "rb");
} catch (DS::FileIOException ex) {
fprintf(stderr, "[File] Could not open file %s: %s\n[File] Requested by %s\n",
filename.c_str(), ex.what(), DS::SockIpAddress(client.m_sock).c_str());
client.m_buffer.write<uint32_t>(DS::e_NetFileNotFound);
client.m_buffer.write<uint32_t>(0); // Reader ID
client.m_buffer.write<uint32_t>(0); // File size
client.m_buffer.write<uint32_t>(0); // Data packet size
SEND_REPLY();
delete stream;
return;
}
client.m_buffer.write<uint32_t>(DS::e_NetSuccess);
client.m_buffer.write<uint32_t>(++client.m_readerId);
client.m_buffer.write<uint32_t>(stream->size());
uint8_t data[CHUNK_SIZE];
if (stream->size() > CHUNK_SIZE) {
client.m_buffer.write<uint32_t>(CHUNK_SIZE);
stream->readBytes(data, CHUNK_SIZE);
client.m_buffer.writeBytes(data, CHUNK_SIZE);
client.m_downloads[client.m_readerId] = stream;
} else {
client.m_buffer.write<uint32_t>(stream->size());
stream->readBytes(data, stream->size());
client.m_buffer.writeBytes(data, stream->size());
delete stream;
}
SEND_REPLY();
}