// don't inline, to be friendly to js engine osr
void __attribute__ ((noinline)) doit(char *buffer, int size, int i) {
static char *buffer2 = NULL;
static char *buffer3 = NULL;
unsigned long maxCompressedSize = lzma_stream_buffer_bound(size);
if (!buffer2) buffer2 = (char*)malloc(maxCompressedSize);
if (!buffer3) buffer3 = (char*)malloc(size);
size_t compressedSize = 0;
int ret = lzma_easy_buffer_encode(LZMA_PRESET_DEFAULT, LZMA_CHECK_CRC64, NULL, (const uint8_t*)buffer, size, (uint8_t*)buffer2, &compressedSize, maxCompressedSize);
assert(ret == LZMA_OK);
if (i == 0) printf("sizes: %d,%d\n", size, compressedSize);
lzma_stream strm = LZMA_STREAM_INIT;
ret = lzma_stream_decoder(&strm, UINT64_MAX, 0);
assert(ret == LZMA_OK);
strm.next_in = (const uint8_t*)buffer2;
strm.avail_in = compressedSize;
strm.next_out = (uint8_t*)buffer3;
strm.avail_out = size;
ret = lzma_code (&strm, LZMA_FINISH);
assert(ret == LZMA_OK || ret == LZMA_STREAM_END);
size_t decompressedSize = size - strm.avail_out;
assert(decompressedSize == size);
if (i == 0) assert(strcmp(buffer, buffer3) == 0);
}
static int php_xz_init_decoder(struct php_xz_stream_data_t *self)
{
lzma_stream *strm = &self->strm;
lzma_ret ret = lzma_stream_decoder(strm, UINT64_MAX, LZMA_CONCATENATED);
if (ret == LZMA_OK) {
self->in_buf_sz = XZ_INBUF_SIZE;
self->out_buf_sz = XZ_OUTBUF_SIZE;
self->in_buf = emalloc(self->in_buf_sz);
self->out_buf = emalloc(self->out_buf_sz);
self->out_buf_idx = self->out_buf;
strm->next_in = self->in_buf;
strm->avail_in = 0;
strm->next_out = self->out_buf;
strm->avail_out = self->out_buf_sz;
return 1;
}
/*const char *msg;
switch(ret) {
case LZMA_MEM_ERROR:
msg = "Memory allocation";
break;
case LZMA_OPTIONS_ERROR:
msg = "Unsupported decompress flags";
break;
default:
msg = "Unknown";
break;
}*/
return 0;
}
static MojoInput *make_xz_input(MojoInput *origio)
{
MojoInput *io = NULL;
XZinfo *info = (XZinfo *) xmalloc(sizeof (XZinfo));
lzma_stream *strm = &info->stream;
// UINT64_MAX is the memory usage limit (so basically, no artificial
// limit here). Internally, this holds its entire dictionary in
// RAM (8 megabytes by default), plus a few other structures, so we
// shouldn't eat tons of memory in the normal case. Note that the
// dictionary can max out at _four gigabytes_, but obviously no one does
// that.
initializeXZStream(strm);
if (lzma_stream_decoder(strm, UINT64_MAX, LZMA_CONCATENATED) != LZMA_OK)
{
free(info);
return NULL;
} // if
info->origio = origio;
io = (MojoInput *) xmalloc(sizeof (MojoInput));
io->ready = MojoInput_xz_ready;
io->read = MojoInput_xz_read;
io->seek = MojoInput_xz_seek;
io->tell = MojoInput_xz_tell;
io->length = MojoInput_xz_length;
io->duplicate = MojoInput_xz_duplicate;
io->close = MojoInput_xz_close;
io->opaque = info;
return io;
} // make_xz_input
/*
* Setup state for decoding a strip.
*/
static int
LZMAPreDecode(TIFF* tif, uint16 s)
{
static const char module[] = "LZMAPreDecode";
LZMAState* sp = DecoderState(tif);
lzma_ret ret;
(void) s;
assert(sp != NULL);
if( (sp->state & LSTATE_INIT_DECODE) == 0 )
tif->tif_setupdecode(tif);
sp->stream.next_in = tif->tif_rawdata;
sp->stream.avail_in = (size_t) tif->tif_rawcc;
if ((tmsize_t)sp->stream.avail_in != tif->tif_rawcc) {
TIFFErrorExt(tif->tif_clientdata, module,
"Liblzma cannot deal with buffers this size");
return 0;
}
/*
* Disable memory limit when decoding. UINT64_MAX is a flag to disable
* the limit, we are passing (uint64_t)-1 which should be the same.
*/
ret = lzma_stream_decoder(&sp->stream, (uint64_t)-1, 0);
if (ret != LZMA_OK) {
TIFFErrorExt(tif->tif_clientdata, module,
"Error initializing the stream decoder, %s",
LZMAStrerror(ret));
return 0;
}
return 1;
}
static int xz_open(struct zstream *z, int fd, char *mode)
{
lzma_ret ret;
z->xz.eof = 0;
z->xz.fd = fd;
if(*mode == 'w') {
ret = lzma_easy_encoder(&z->xz.stream, 5, LZMA_CHECK_CRC64);
if (ret == LZMA_OK)
return 0;
return -1;
}
if(*mode == 'r') {
z->xz.stream.next_in = NULL;
z->xz.stream.avail_in = 0;
z->xz.stream.next_out = z->xz.outbuf;
z->xz.stream.avail_out = z->xz.bufsize;
ret = lzma_stream_decoder(&z->xz.stream, UINT64_MAX, LZMA_CONCATENATED);
if (ret == LZMA_OK)
return 0;
return -1;
}
return -1;
}
int decompress_blob_xz(const void *src, uint64_t src_size,
void **dst, size_t *dst_alloc_size, size_t* dst_size, size_t dst_max) {
#ifdef HAVE_XZ
_cleanup_(lzma_end) lzma_stream s = LZMA_STREAM_INIT;
lzma_ret ret;
size_t space;
assert(src);
assert(src_size > 0);
assert(dst);
assert(dst_alloc_size);
assert(dst_size);
assert(*dst_alloc_size == 0 || *dst);
ret = lzma_stream_decoder(&s, UINT64_MAX, 0);
if (ret != LZMA_OK)
return -ENOMEM;
space = MIN(src_size * 2, dst_max ?: (size_t) -1);
if (!greedy_realloc(dst, dst_alloc_size, space, 1))
return -ENOMEM;
s.next_in = src;
s.avail_in = src_size;
s.next_out = *dst;
s.avail_out = space;
for (;;) {
size_t used;
ret = lzma_code(&s, LZMA_FINISH);
if (ret == LZMA_STREAM_END)
break;
else if (ret != LZMA_OK)
return -ENOMEM;
if (dst_max > 0 && (space - s.avail_out) >= dst_max)
break;
else if (dst_max > 0 && space == dst_max)
return -ENOBUFS;
used = space - s.avail_out;
space = MIN(2 * space, dst_max ?: (size_t) -1);
if (!greedy_realloc(dst, dst_alloc_size, space, 1))
return -ENOMEM;
s.avail_out = space - used;
s.next_out = *dst + used;
}
*dst_size = space - s.avail_out;
return 0;
#else
return -EPROTONOSUPPORT;
#endif
}
struct lzma_filter *lzma_decoder(void)
{
lzma_stream strm = LZMA_STREAM_INIT;
if (lzma_stream_decoder(&strm, UINT64_MAX, 0) != LZMA_OK)
return NULL;
return _lzma_filter_new(&strm);
}
int main(void)
{
lzma_stream strm = LZMA_STREAM_INIT;
int ret;
ret = lzma_stream_decoder(&strm, UINT64_MAX, LZMA_CONCATENATED);
return ret ? -1 : 0;
}
int decompress_startswith_xz(const void *src, uint64_t src_size,
void **buffer, size_t *buffer_size,
const void *prefix, size_t prefix_len,
uint8_t extra) {
#ifdef HAVE_XZ
_cleanup_(lzma_end) lzma_stream s = LZMA_STREAM_INIT;
lzma_ret ret;
/* Checks whether the decompressed blob starts with the
* mentioned prefix. The byte extra needs to follow the
* prefix */
assert(src);
assert(src_size > 0);
assert(buffer);
assert(buffer_size);
assert(prefix);
assert(*buffer_size == 0 || *buffer);
ret = lzma_stream_decoder(&s, UINT64_MAX, 0);
if (ret != LZMA_OK)
return -EBADMSG;
if (!(greedy_realloc(buffer, buffer_size, ALIGN_8(prefix_len + 1), 1)))
return -ENOMEM;
s.next_in = src;
s.avail_in = src_size;
s.next_out = *buffer;
s.avail_out = *buffer_size;
for (;;) {
ret = lzma_code(&s, LZMA_FINISH);
if (ret != LZMA_STREAM_END && ret != LZMA_OK)
return -EBADMSG;
if (*buffer_size - s.avail_out >= prefix_len + 1)
return memcmp(*buffer, prefix, prefix_len) == 0 &&
((const uint8_t*) *buffer)[prefix_len] == extra;
if (ret == LZMA_STREAM_END)
return 0;
s.avail_out += *buffer_size;
if (!(greedy_realloc(buffer, buffer_size, *buffer_size * 2, 1)))
return -ENOMEM;
s.next_out = *buffer + *buffer_size - s.avail_out;
}
#else
return -EPROTONOSUPPORT;
#endif
}
static void io_do_decompress(io_private_t *io_ptr)
{
lzma_stream l = LZMA_STREAM_INIT;
io_ptr->lzma_handle = l;
if (lzma_stream_decoder(&io_ptr->lzma_handle, UINT64_MAX, 0/*LZMA_CONCATENATED*/) != LZMA_OK)
return;
io_ptr->lzma_init = true;
return;
}
int import_uncompress_detect(ImportCompress *c, const void *data, size_t size) {
static const uint8_t xz_signature[] = {
0xfd, '7', 'z', 'X', 'Z', 0x00
};
static const uint8_t gzip_signature[] = {
0x1f, 0x8b
};
static const uint8_t bzip2_signature[] = {
'B', 'Z', 'h'
};
int r;
assert(c);
if (c->type != IMPORT_COMPRESS_UNKNOWN)
return 1;
if (size < MAX3(sizeof(xz_signature),
sizeof(gzip_signature),
sizeof(bzip2_signature)))
return 0;
assert(data);
if (memcmp(data, xz_signature, sizeof(xz_signature)) == 0) {
lzma_ret xzr;
xzr = lzma_stream_decoder(&c->xz, UINT64_MAX, LZMA_TELL_UNSUPPORTED_CHECK);
if (xzr != LZMA_OK)
return -EIO;
c->type = IMPORT_COMPRESS_XZ;
} else if (memcmp(data, gzip_signature, sizeof(gzip_signature)) == 0) {
r = inflateInit2(&c->gzip, 15+16);
if (r != Z_OK)
return -EIO;
c->type = IMPORT_COMPRESS_GZIP;
} else if (memcmp(data, bzip2_signature, sizeof(bzip2_signature)) == 0) {
r = BZ2_bzDecompressInit(&c->bzip2, 0, 0);
if (r != BZ_OK)
return -EIO;
c->type = IMPORT_COMPRESS_BZIP2;
} else
c->type = IMPORT_COMPRESS_UNCOMPRESSED;
c->encoding = false;
return 1;
}
void lzma_base::do_init( const lzma_params &p, bool compress, lzma::alloc_func alloc, lzma::free_func free, void *derived )
{
lzma_stream *s = static_cast<lzma_stream *>( stream_ );
memset( s, 0, sizeof( *s ) );
lzma_error::check(
compress ?
lzma_easy_encoder( s, p.level, LZMA_CHECK_CRC32 ) :
lzma_stream_decoder( s, 100 * 1024 * 1024, 0 )
);
}
static void
filter_unxz_init(struct io_lzma *io, lzma_stream *s)
{
uint64_t memlimit = UINT64_MAX;
lzma_ret ret;
io->status |= DPKG_STREAM_DECOMPRESS;
ret = lzma_stream_decoder(s, memlimit, 0);
if (ret != LZMA_OK)
filter_lzma_error(io, ret);
}
int LzmaConnectorReader::resetConnectorReader (void)
{
lzma_end (&_lzmaDecompStream);
resetDecompStream();
if (LZMA_OK != lzma_stream_decoder (&_lzmaDecompStream, lzma_easy_decoder_memusage (getCompressionLevel()), DECODER_FLAGS)) {
return -1;
}
return 0;
}
static int xc_try_xz_decode(
struct xc_dom_image *dom, void **blob, size_t *size)
{
lzma_stream stream = LZMA_STREAM_INIT;
if ( lzma_stream_decoder(&stream, LZMA_BLOCK_SIZE, 0) != LZMA_OK )
{
DOMPRINTF("XZ: Failed to init decoder");
return -1;
}
return _xc_try_lzma_decode(dom, blob, size, &stream, "XZ");
}
static void i_stream_lzma_init(struct lzma_istream *zstream)
{
lzma_ret ret;
ret = lzma_stream_decoder(&zstream->strm, LZMA_MEMORY_LIMIT,
LZMA_CONCATENATED);
switch (ret) {
case LZMA_OK:
break;
case LZMA_MEM_ERROR:
i_fatal_status(FATAL_OUTOFMEM, "lzma: Out of memory");
default:
i_fatal("lzma_stream_decoder() failed with ret=%d", ret);
}
}
LzmaConnectorReader::LzmaConnectorReader (const CompressionSettings & compressionSettings, unsigned int ulInBufSize, unsigned int ulOutBufSize) :
ConnectorReader{compressionSettings}
{
if ((ulOutBufSize == 0) || (ulInBufSize == 0) ||
(nullptr == (_pOutputBuffer = new unsigned char[ulOutBufSize])) ||
(nullptr == (_pInputBuffer = new unsigned char[ulInBufSize]))) {
// throw a c++ exception here
}
_ulInBufSize = ulInBufSize;
_ulOutBufSize = ulOutBufSize;
resetDecompStream();
if (LZMA_OK != lzma_stream_decoder (&_lzmaDecompStream, lzma_easy_decoder_memusage (getCompressionLevel()), DECODER_FLAGS)) {
// throw a c++ exception here
}
}
static int load_xz(struct kmod_file *file)
{
lzma_stream strm = LZMA_STREAM_INIT;
lzma_ret lzret;
int ret;
lzret = lzma_stream_decoder(&strm, UINT64_MAX, LZMA_CONCATENATED);
if (lzret == LZMA_MEM_ERROR) {
ERR(file->ctx, "xz: %s\n", strerror(ENOMEM));
return -ENOMEM;
} else if (lzret != LZMA_OK) {
ERR(file->ctx, "xz: Internal error (bug)\n");
return -EINVAL;
}
ret = xz_uncompress(&strm, file);
lzma_end(&strm);
return ret;
}
static readstat_error_t init_lzma_stream(rdata_ctx_t *ctx) {
readstat_error_t retval = READSTAT_OK;
ctx->lzma_strm = calloc(1, sizeof(lzma_stream));
ctx->strm_buffer = malloc(STREAM_BUFFER_SIZE);
if (lzma_stream_decoder(ctx->lzma_strm, UINT64_MAX, 0) != LZMA_OK) {
retval = READSTAT_ERROR_MALLOC;
goto cleanup;
}
int bytes_read = read(ctx->fd, ctx->strm_buffer, STREAM_BUFFER_SIZE);
if (bytes_read <= 0) {
retval = READSTAT_ERROR_READ;
goto cleanup;
}
ctx->lzma_strm->next_in = ctx->strm_buffer;
ctx->lzma_strm->avail_in = bytes_read;
cleanup:
return retval;
}
static void read_xz(int f, int fd, const char *arg)
{
uint8_t inbuf[BUFFER_SIZE], outbuf[BUFFER_SIZE];
lzma_stream xz = LZMA_STREAM_INIT;
if (lzma_stream_decoder(&xz, UINT64_MAX, LZMA_CONCATENATED) != LZMA_OK)
goto xz_read_end;
xz.avail_in = 0;
while (xz.avail_in
|| (xz.avail_in = read(f, (uint8_t*)(xz.next_in = inbuf), BUFFER_SIZE)) > 0)
{
xz.next_out = outbuf;
xz.avail_out = sizeof(outbuf);
if (lzma_code(&xz, LZMA_RUN) != LZMA_OK)
goto xz_read_lzma_end;
if (write(fd, outbuf, xz.next_out - outbuf) != xz.next_out - outbuf)
goto xz_read_lzma_end;
}
// Flush the stream
lzma_ret ret;
do
{
xz.next_out = outbuf;
xz.avail_out = sizeof(outbuf);
ret = lzma_code(&xz, LZMA_FINISH);
if (write(fd, outbuf, xz.next_out - outbuf) != xz.next_out - outbuf)
goto xz_read_lzma_end;
}
while (ret == LZMA_OK);
xz_read_lzma_end:
lzma_end(&xz);
xz_read_end:
close(f);
close(fd);
}
static int tiff_uncompress_lzma(uint8_t *dst, uint64_t *len, const uint8_t *src,
int size)
{
lzma_stream stream = LZMA_STREAM_INIT;
lzma_ret ret;
stream.next_in = (uint8_t *)src;
stream.avail_in = size;
stream.next_out = dst;
stream.avail_out = *len;
ret = lzma_stream_decoder(&stream, UINT64_MAX, 0);
if (ret != LZMA_OK) {
av_log(NULL, AV_LOG_ERROR, "LZMA init error: %d\n", ret);
return ret;
}
ret = lzma_code(&stream, LZMA_RUN);
lzma_end(&stream);
*len = stream.total_out;
return ret == LZMA_STREAM_END ? LZMA_OK : ret;
}
static boolean MojoInput_xz_seek(MojoInput *io, uint64 offset)
{
// This is all really expensive.
XZinfo *info = (XZinfo *) io->opaque;
/*
* If seeking backwards, we need to redecode the file
* from the start and throw away the compressed bits until we hit
* the offset we need. If seeking forward, we still need to
* decode, but we don't rewind first.
*/
if (offset < info->uncompressed_position)
{
lzma_stream *strm = &info->stream;
if (!info->origio->seek(info->origio, 0))
return false;
lzma_end(strm);
initializeXZStream(strm);
if (lzma_stream_decoder(strm, UINT64_MAX, LZMA_CONCATENATED) != LZMA_OK)
return false;
info->uncompressed_position = 0;
} // if
while (info->uncompressed_position != offset)
{
uint8 buf[512];
uint32 maxread;
int64 br;
maxread = (uint32) (offset - info->uncompressed_position);
if (maxread > sizeof (buf))
maxread = sizeof (buf);
br = io->read(io, buf, maxread);
if (br != maxread)
return false;
} /* while */
return true;
} // MojoInput_xz_seek
GSDumpLzma::GSDumpLzma(char* filename) : GSDumpFile(filename) {
memset(&m_strm, 0, sizeof(lzma_stream));
lzma_ret ret = lzma_stream_decoder(&m_strm, UINT32_MAX, 0);
if (ret != LZMA_OK) {
fprintf(stderr, "Error initializing the decoder! (error code %u)\n", ret);
throw "BAD"; // Just exit the program
}
m_buff_size = 1024*1024;
m_area = (uint8_t*)_aligned_malloc(m_buff_size, 32);
m_inbuf = (uint8_t*)_aligned_malloc(BUFSIZ, 32);
m_avail = 0;
m_start = 0;
m_strm.avail_in = 0;
m_strm.next_in = m_inbuf;
m_strm.avail_out = m_buff_size;
m_strm.next_out = m_area;
}
static int
LZMADecode(TIFF* tif, uint8* op, tmsize_t occ, uint16 s)
{
static const char module[] = "LZMADecode";
LZMAState* sp = DecoderState(tif);
(void) s;
assert(sp != NULL);
assert(sp->state == LSTATE_INIT_DECODE);
sp->stream.next_in = tif->tif_rawcp;
sp->stream.avail_in = (size_t) tif->tif_rawcc;
sp->stream.next_out = op;
sp->stream.avail_out = (size_t) occ;
if ((tmsize_t)sp->stream.avail_out != occ) {
TIFFErrorExt(tif->tif_clientdata, module,
"Liblzma cannot deal with buffers this size");
return 0;
}
do {
/*
* Save the current stream state to properly recover from the
* decoding errors later.
*/
const uint8_t *next_in = sp->stream.next_in;
size_t avail_in = sp->stream.avail_in;
lzma_ret ret = lzma_code(&sp->stream, LZMA_RUN);
if (ret == LZMA_STREAM_END)
break;
if (ret == LZMA_MEMLIMIT_ERROR) {
lzma_ret r = lzma_stream_decoder(&sp->stream,
lzma_memusage(&sp->stream), 0);
if (r != LZMA_OK) {
TIFFErrorExt(tif->tif_clientdata, module,
"Error initializing the stream decoder, %s",
LZMAStrerror(r));
break;
}
sp->stream.next_in = next_in;
sp->stream.avail_in = avail_in;
continue;
}
if (ret != LZMA_OK) {
TIFFErrorExt(tif->tif_clientdata, module,
"Decoding error at scanline %lu, %s",
(unsigned long) tif->tif_row, LZMAStrerror(ret));
break;
}
} while (sp->stream.avail_out > 0);
if (sp->stream.avail_out != 0) {
TIFFErrorExt(tif->tif_clientdata, module,
"Not enough data at scanline %lu (short %lu bytes)",
(unsigned long) tif->tif_row, (unsigned long) sp->stream.avail_out);
return 0;
}
tif->tif_rawcp = (uint8 *)sp->stream.next_in; /* cast away const */
tif->tif_rawcc = sp->stream.avail_in;
return 1;
}
static off_t
unxz(int i, int o, char *pre, size_t prelen, off_t *bytes_in)
{
lzma_stream strm = LZMA_STREAM_INIT;
static const int flags = LZMA_TELL_UNSUPPORTED_CHECK|LZMA_CONCATENATED;
lzma_ret ret;
lzma_action action = LZMA_RUN;
off_t bytes_out, bp;
uint8_t ibuf[BUFSIZ];
uint8_t obuf[BUFSIZ];
if (bytes_in == NULL)
bytes_in = &bp;
strm.next_in = ibuf;
memcpy(ibuf, pre, prelen);
strm.avail_in = read(i, ibuf + prelen, sizeof(ibuf) - prelen);
if (strm.avail_in == (size_t)-1)
maybe_err("read failed");
strm.avail_in += prelen;
*bytes_in = strm.avail_in;
if ((ret = lzma_stream_decoder(&strm, UINT64_MAX, flags)) != LZMA_OK)
maybe_errx("Can't initialize decoder (%d)", ret);
strm.next_out = NULL;
strm.avail_out = 0;
if ((ret = lzma_code(&strm, LZMA_RUN)) != LZMA_OK)
maybe_errx("Can't read headers (%d)", ret);
bytes_out = 0;
strm.next_out = obuf;
strm.avail_out = sizeof(obuf);
for (;;) {
if (strm.avail_in == 0) {
strm.next_in = ibuf;
strm.avail_in = read(i, ibuf, sizeof(ibuf));
switch (strm.avail_in) {
case (size_t)-1:
maybe_err("read failed");
/*NOTREACHED*/
case 0:
action = LZMA_FINISH;
break;
default:
*bytes_in += strm.avail_in;
break;
}
}
ret = lzma_code(&strm, action);
// Write and check write error before checking decoder error.
// This way as much data as possible gets written to output
// even if decoder detected an error.
if (strm.avail_out == 0 || ret != LZMA_OK) {
const size_t write_size = sizeof(obuf) - strm.avail_out;
if (write(o, obuf, write_size) != (ssize_t)write_size)
maybe_err("write failed");
strm.next_out = obuf;
strm.avail_out = sizeof(obuf);
bytes_out += write_size;
}
if (ret != LZMA_OK) {
if (ret == LZMA_STREAM_END) {
// Check that there's no trailing garbage.
if (strm.avail_in != 0 || read(i, ibuf, 1))
ret = LZMA_DATA_ERROR;
else {
lzma_end(&strm);
return bytes_out;
}
}
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR:
msg = strerror(ENOMEM);
break;
case LZMA_FORMAT_ERROR:
msg = "File format not recognized";
break;
case LZMA_OPTIONS_ERROR:
// FIXME: Better message?
msg = "Unsupported compression options";
break;
case LZMA_DATA_ERROR:
msg = "File is corrupt";
break;
case LZMA_BUF_ERROR:
msg = "Unexpected end of input";
break;
case LZMA_MEMLIMIT_ERROR:
msg = "Reached memory limit";
break;
default:
maybe_errx("Unknown error (%d)", ret);
break;
}
maybe_errx("%s", msg);
}
}
}
void PsUpdateDownloader::unpackUpdate() {
QByteArray packed;
if (!outputFile.open(QIODevice::ReadOnly)) {
LOG(("Update Error: cant read updates file!"));
return fatalFail();
}
#ifdef Q_OS_WIN // use Lzma SDK for win
const int32 hSigLen = 128, hShaLen = 20, hPropsLen = LZMA_PROPS_SIZE, hOriginalSizeLen = sizeof(int32), hSize = hSigLen + hShaLen + hPropsLen + hOriginalSizeLen; // header
#else
const int32 hSigLen = 128, hShaLen = 20, hPropsLen = 0, hOriginalSizeLen = sizeof(int32), hSize = hSigLen + hShaLen + hOriginalSizeLen; // header
#endif
QByteArray compressed = outputFile.readAll();
int32 compressedLen = compressed.size() - hSize;
if (compressedLen <= 0) {
LOG(("Update Error: bad compressed size: %1").arg(compressed.size()));
return fatalFail();
}
outputFile.close();
QString tempDirPath = cWorkingDir() + qsl("tupdates/temp"), readyDirPath = cWorkingDir() + qsl("tupdates/ready");
deleteDir(tempDirPath);
deleteDir(readyDirPath);
QDir tempDir(tempDirPath), readyDir(readyDirPath);
if (tempDir.exists() || readyDir.exists()) {
LOG(("Update Error: cant clear tupdates/temp or tupdates/ready dir!"));
return fatalFail();
}
uchar sha1Buffer[20];
bool goodSha1 = !memcmp(compressed.constData() + hSigLen, hashSha1(compressed.constData() + hSigLen + hShaLen, compressedLen + hPropsLen + hOriginalSizeLen, sha1Buffer), hShaLen);
if (!goodSha1) {
LOG(("Update Error: bad SHA1 hash of update file!"));
return fatalFail();
}
RSA *pbKey = PEM_read_bio_RSAPublicKey(BIO_new_mem_buf(const_cast<char*>(UpdatesPublicKey), -1), 0, 0, 0);
if (!pbKey) {
LOG(("Update Error: cant read public rsa key!"));
return fatalFail();
}
if (RSA_verify(NID_sha1, (const uchar*)(compressed.constData() + hSigLen), hShaLen, (const uchar*)(compressed.constData()), hSigLen, pbKey) != 1) { // verify signature
RSA_free(pbKey);
LOG(("Update Error: bad RSA signature of update file!"));
return fatalFail();
}
RSA_free(pbKey);
QByteArray uncompressed;
int32 uncompressedLen;
memcpy(&uncompressedLen, compressed.constData() + hSigLen + hShaLen + hPropsLen, hOriginalSizeLen);
uncompressed.resize(uncompressedLen);
size_t resultLen = uncompressed.size();
#ifdef Q_OS_WIN // use Lzma SDK for win
SizeT srcLen = compressedLen;
int uncompressRes = LzmaUncompress((uchar*)uncompressed.data(), &resultLen, (const uchar*)(compressed.constData() + hSize), &srcLen, (const uchar*)(compressed.constData() + hSigLen + hShaLen), LZMA_PROPS_SIZE);
if (uncompressRes != SZ_OK) {
LOG(("Update Error: could not uncompress lzma, code: %1").arg(uncompressRes));
return fatalFail();
}
#else
lzma_stream stream = LZMA_STREAM_INIT;
lzma_ret ret = lzma_stream_decoder(&stream, UINT64_MAX, LZMA_CONCATENATED);
if (ret != LZMA_OK) {
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_OPTIONS_ERROR: msg = "Specified preset is not supported"; break;
case LZMA_UNSUPPORTED_CHECK: msg = "Specified integrity check is not supported"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
LOG(("Error initializing the decoder: %1 (error code %2)").arg(msg).arg(ret));
return fatalFail();
}
stream.avail_in = compressedLen;
stream.next_in = (uint8_t*)(compressed.constData() + hSize);
stream.avail_out = resultLen;
stream.next_out = (uint8_t*)uncompressed.data();
lzma_ret res = lzma_code(&stream, LZMA_FINISH);
if (stream.avail_in) {
LOG(("Error in decompression, %1 bytes left in _in of %2 whole.").arg(stream.avail_in).arg(compressedLen));
return fatalFail();
} else if (stream.avail_out) {
LOG(("Error in decompression, %1 bytes free left in _out of %2 whole.").arg(stream.avail_out).arg(resultLen));
return fatalFail();
}
lzma_end(&stream);
if (res != LZMA_OK && res != LZMA_STREAM_END) {
const char *msg;
switch (res) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_FORMAT_ERROR: msg = "The input data is not in the .xz format"; break;
case LZMA_OPTIONS_ERROR: msg = "Unsupported compression options"; break;
case LZMA_DATA_ERROR: msg = "Compressed file is corrupt"; break;
case LZMA_BUF_ERROR: msg = "Compressed data is truncated or otherwise corrupt"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
LOG(("Error in decompression: %1 (error code %2)").arg(msg).arg(res));
return fatalFail();
}
#endif
tempDir.mkdir(tempDir.absolutePath());
quint32 version;
{
QBuffer buffer(&uncompressed);
buffer.open(QIODevice::ReadOnly);
QDataStream stream(&buffer);
stream.setVersion(QDataStream::Qt_5_1);
stream >> version;
if (stream.status() != QDataStream::Ok) {
LOG(("Update Error: cant read version from downloaded stream, status: %1").arg(stream.status()));
return fatalFail();
}
if (version <= AppVersion) {
LOG(("Update Error: downloaded version %1 is not greater, than mine %2").arg(version).arg(AppVersion));
return fatalFail();
}
quint32 filesCount;
stream >> filesCount;
if (stream.status() != QDataStream::Ok) {
LOG(("Update Error: cant read files count from downloaded stream, status: %1").arg(stream.status()));
return fatalFail();
}
if (!filesCount) {
LOG(("Update Error: update is empty!"));
return fatalFail();
}
for (uint32 i = 0; i < filesCount; ++i) {
QString relativeName;
quint32 fileSize;
QByteArray fileInnerData;
bool executable = false;
stream >> relativeName >> fileSize >> fileInnerData;
#if defined Q_OS_MAC || defined Q_OS_LINUX
stream >> executable;
#endif
if (stream.status() != QDataStream::Ok) {
LOG(("Update Error: cant read file from downloaded stream, status: %1").arg(stream.status()));
return fatalFail();
}
if (fileSize != quint32(fileInnerData.size())) {
LOG(("Update Error: bad file size %1 not matching data size %2").arg(fileSize).arg(fileInnerData.size()));
return fatalFail();
}
QFile f(tempDirPath + '/' + relativeName);
if (!QDir().mkpath(QFileInfo(f).absolutePath())) {
LOG(("Update Error: cant mkpath for file '%1'").arg(tempDirPath + '/' + relativeName));
return fatalFail();
}
if (!f.open(QIODevice::WriteOnly)) {
LOG(("Update Error: cant open file '%1' for writing").arg(tempDirPath + '/' + relativeName));
return fatalFail();
}
if (f.write(fileInnerData) != fileSize) {
f.close();
LOG(("Update Error: cant write file '%1'").arg(tempDirPath + '/' + relativeName));
return fatalFail();
}
f.close();
if (executable) {
QFileDevice::Permissions p = f.permissions();
p |= QFileDevice::ExeOwner | QFileDevice::ExeUser | QFileDevice::ExeGroup | QFileDevice::ExeOther;
f.setPermissions(p);
}
}
// create tdata/version file
tempDir.mkdir(QDir(tempDirPath + qsl("/tdata")).absolutePath());
std::wstring versionString = ((version % 1000) ? QString("%1.%2.%3").arg(int(version / 1000000)).arg(int((version % 1000000) / 1000)).arg(int(version % 1000)) : QString("%1.%2").arg(int(version / 1000000)).arg(int((version % 1000000) / 1000))).toStdWString();
VerInt versionNum = VerInt(version), versionLen = VerInt(versionString.size() * sizeof(VerChar));
VerChar versionStr[32];
memcpy(versionStr, versionString.c_str(), versionLen);
QFile fVersion(tempDirPath + qsl("/tdata/version"));
if (!fVersion.open(QIODevice::WriteOnly)) {
LOG(("Update Error: cant write version file '%1'").arg(tempDirPath + qsl("/version")));
return fatalFail();
}
fVersion.write((const char*)&versionNum, sizeof(VerInt));
fVersion.write((const char*)&versionLen, sizeof(VerInt));
fVersion.write((const char*)&versionStr[0], versionLen);
fVersion.close();
}
if (!tempDir.rename(tempDir.absolutePath(), readyDir.absolutePath())) {
LOG(("Update Error: cant rename temp dir '%1' to ready dir '%2'").arg(tempDir.absolutePath()).arg(readyDir.absolutePath()));
return fatalFail();
}
deleteDir(tempDirPath);
outputFile.remove();
emit App::app()->updateReady();
}
int decompress_stream_xz(int fdf, int fdt, off_t max_bytes) {
#ifdef HAVE_XZ
_cleanup_(lzma_end) lzma_stream s = LZMA_STREAM_INIT;
lzma_ret ret;
uint8_t buf[BUFSIZ], out[BUFSIZ];
lzma_action action = LZMA_RUN;
assert(fdf >= 0);
assert(fdt >= 0);
ret = lzma_stream_decoder(&s, UINT64_MAX, 0);
if (ret != LZMA_OK) {
log_error("Failed to initialize XZ decoder: code %u", ret);
return -ENOMEM;
}
for (;;) {
if (s.avail_in == 0 && action == LZMA_RUN) {
ssize_t n;
n = read(fdf, buf, sizeof(buf));
if (n < 0)
return -errno;
if (n == 0)
action = LZMA_FINISH;
else {
s.next_in = buf;
s.avail_in = n;
}
}
if (s.avail_out == 0) {
s.next_out = out;
s.avail_out = sizeof(out);
}
ret = lzma_code(&s, action);
if (ret != LZMA_OK && ret != LZMA_STREAM_END) {
log_error("Decompression failed: code %u", ret);
return -EBADMSG;
}
if (s.avail_out == 0 || ret == LZMA_STREAM_END) {
ssize_t n, k;
n = sizeof(out) - s.avail_out;
if (max_bytes != -1) {
if (max_bytes < n)
return -EFBIG;
max_bytes -= n;
}
k = loop_write(fdt, out, n, false);
if (k < 0)
return k;
if (ret == LZMA_STREAM_END) {
log_debug("XZ decompression finished (%"PRIu64" -> %"PRIu64" bytes, %.1f%%)",
s.total_in, s.total_out,
(double) s.total_out / s.total_in * 100);
return 0;
}
}
}
#else
log_error("Cannot decompress file. Compiled without XZ support.");
return -EPROTONOSUPPORT;
#endif
}
int main(int argc, char *argv[])
{
QString workDir;
#ifdef Q_OS_MAC
if (QDir(QString()).absolutePath() == "/") {
QString first = argc ? QString::fromLocal8Bit(argv[0]) : QString();
if (!first.isEmpty()) {
QFileInfo info(first);
if (info.exists()) {
QDir result(info.absolutePath() + "/../../..");
workDir = result.absolutePath() + '/';
}
}
}
#endif
QString remove;
int version = 0;
QFileInfoList files;
for (int i = 0; i < argc; ++i) {
if (string("-path") == argv[i] && i + 1 < argc) {
QString path = workDir + QString(argv[i + 1]);
QFileInfo info(path);
files.push_back(info);
if (remove.isEmpty()) remove = info.canonicalPath() + "/";
} else if (string("-version") == argv[i] && i + 1 < argc) {
version = QString(argv[i + 1]).toInt();
} else if (string("-dev") == argv[i]) {
DevChannel = true;
} else if (string("-beta") == argv[i] && i + 1 < argc) {
BetaVersion = QString(argv[i + 1]).toULongLong();
if (BetaVersion > version * 1000ULL && BetaVersion < (version + 1) * 1000ULL) {
DevChannel = false;
BetaSignature = countBetaVersionSignature(BetaVersion);
if (BetaSignature.isEmpty()) {
return -1;
}
} else {
cout << "Bad -beta param value passed, should be for the same version: " << version << ", beta: " << BetaVersion << "\n";
return -1;
}
}
}
if (files.isEmpty() || remove.isEmpty() || version <= 1016 || version > 999999999) {
#ifdef Q_OS_WIN
cout << "Usage: Packer.exe -path {file} -version {version} OR Packer.exe -path {dir} -version {version}\n";
#elif defined Q_OS_MAC
cout << "Usage: Packer.app -path {file} -version {version} OR Packer.app -path {dir} -version {version}\n";
#else
cout << "Usage: Packer -path {file} -version {version} OR Packer -path {dir} -version {version}\n";
#endif
return -1;
}
bool hasDirs = true;
while (hasDirs) {
hasDirs = false;
for (QFileInfoList::iterator i = files.begin(); i != files.end(); ++i) {
QFileInfo info(*i);
QString fullPath = info.canonicalFilePath();
if (info.isDir()) {
hasDirs = true;
files.erase(i);
QDir d = QDir(info.absoluteFilePath());
QString fullDir = d.canonicalPath();
QStringList entries = d.entryList(QDir::Files | QDir::Dirs | QDir::NoSymLinks | QDir::NoDotAndDotDot);
files.append(d.entryInfoList(QDir::Files | QDir::Dirs | QDir::NoSymLinks | QDir::NoDotAndDotDot));
break;
} else if (!info.isReadable()) {
cout << "Can't read: " << info.absoluteFilePath().toUtf8().constData() << "\n";
return -1;
} else if (info.isHidden()) {
hasDirs = true;
files.erase(i);
break;
}
}
}
for (QFileInfoList::iterator i = files.begin(); i != files.end(); ++i) {
QFileInfo info(*i);
if (!info.canonicalFilePath().startsWith(remove)) {
cout << "Can't find '" << remove.toUtf8().constData() << "' in file '" << info.canonicalFilePath().toUtf8().constData() << "' :(\n";
return -1;
}
}
QByteArray result;
{
QBuffer buffer(&result);
buffer.open(QIODevice::WriteOnly);
QDataStream stream(&buffer);
stream.setVersion(QDataStream::Qt_5_1);
if (BetaVersion) {
stream << quint32(0x7FFFFFFF);
stream << quint64(BetaVersion);
} else {
stream << quint32(version);
}
stream << quint32(files.size());
cout << "Found " << files.size() << " file" << (files.size() == 1 ? "" : "s") << "..\n";
for (QFileInfoList::iterator i = files.begin(); i != files.end(); ++i) {
QFileInfo info(*i);
QString fullName = info.canonicalFilePath();
QString name = fullName.mid(remove.length());
cout << name.toUtf8().constData() << " (" << info.size() << ")\n";
QFile f(fullName);
if (!f.open(QIODevice::ReadOnly)) {
cout << "Can't open '" << fullName.toUtf8().constData() << "' for read..\n";
return -1;
}
QByteArray inner = f.readAll();
stream << name << quint32(inner.size()) << inner;
#if defined Q_OS_MAC || defined Q_OS_LINUX
stream << (QFileInfo(fullName).isExecutable() ? true : false);
#endif
}
if (stream.status() != QDataStream::Ok) {
cout << "Stream status is bad: " << stream.status() << "\n";
return -1;
}
}
int32 resultSize = result.size();
cout << "Compression start, size: " << resultSize << "\n";
QByteArray compressed, resultCheck;
#ifdef Q_OS_WIN // use Lzma SDK for win
const int32 hSigLen = 128, hShaLen = 20, hPropsLen = LZMA_PROPS_SIZE, hOriginalSizeLen = sizeof(int32), hSize = hSigLen + hShaLen + hPropsLen + hOriginalSizeLen; // header
compressed.resize(hSize + resultSize + 1024 * 1024); // rsa signature + sha1 + lzma props + max compressed size
size_t compressedLen = compressed.size() - hSize;
size_t outPropsSize = LZMA_PROPS_SIZE;
uchar *_dest = (uchar*)(compressed.data() + hSize);
size_t *_destLen = &compressedLen;
const uchar *_src = (const uchar*)(result.constData());
size_t _srcLen = result.size();
uchar *_outProps = (uchar*)(compressed.data() + hSigLen + hShaLen);
int res = LzmaCompress(_dest, _destLen, _src, _srcLen, _outProps, &outPropsSize, 9, 64 * 1024 * 1024, 4, 0, 2, 273, 2);
if (res != SZ_OK) {
cout << "Error in compression: " << res << "\n";
return -1;
}
compressed.resize(int(hSize + compressedLen));
memcpy(compressed.data() + hSigLen + hShaLen + hPropsLen, &resultSize, hOriginalSizeLen);
cout << "Compressed to size: " << compressedLen << "\n";
cout << "Checking uncompressed..\n";
int32 resultCheckLen;
memcpy(&resultCheckLen, compressed.constData() + hSigLen + hShaLen + hPropsLen, hOriginalSizeLen);
if (resultCheckLen <= 0 || resultCheckLen > 1024 * 1024 * 1024) {
cout << "Bad result len: " << resultCheckLen << "\n";
return -1;
}
resultCheck.resize(resultCheckLen);
size_t resultLen = resultCheck.size();
SizeT srcLen = compressedLen;
int uncompressRes = LzmaUncompress((uchar*)resultCheck.data(), &resultLen, (const uchar*)(compressed.constData() + hSize), &srcLen, (const uchar*)(compressed.constData() + hSigLen + hShaLen), LZMA_PROPS_SIZE);
if (uncompressRes != SZ_OK) {
cout << "Uncompress failed: " << uncompressRes << "\n";
return -1;
}
if (resultLen != size_t(result.size())) {
cout << "Uncompress bad size: " << resultLen << ", was: " << result.size() << "\n";
return -1;
}
#else // use liblzma for others
const int32 hSigLen = 128, hShaLen = 20, hPropsLen = 0, hOriginalSizeLen = sizeof(int32), hSize = hSigLen + hShaLen + hOriginalSizeLen; // header
compressed.resize(hSize + resultSize + 1024 * 1024); // rsa signature + sha1 + lzma props + max compressed size
size_t compressedLen = compressed.size() - hSize;
lzma_stream stream = LZMA_STREAM_INIT;
int preset = 9 | LZMA_PRESET_EXTREME;
lzma_ret ret = lzma_easy_encoder(&stream, preset, LZMA_CHECK_CRC64);
if (ret != LZMA_OK) {
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_OPTIONS_ERROR: msg = "Specified preset is not supported"; break;
case LZMA_UNSUPPORTED_CHECK: msg = "Specified integrity check is not supported"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
cout << "Error initializing the encoder: " << msg << " (error code " << ret << ")\n";
return -1;
}
stream.avail_in = resultSize;
stream.next_in = (uint8_t*)result.constData();
stream.avail_out = compressedLen;
stream.next_out = (uint8_t*)(compressed.data() + hSize);
lzma_ret res = lzma_code(&stream, LZMA_FINISH);
compressedLen -= stream.avail_out;
lzma_end(&stream);
if (res != LZMA_OK && res != LZMA_STREAM_END) {
const char *msg;
switch (res) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_DATA_ERROR: msg = "File size limits exceeded"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
cout << "Error in compression: " << msg << " (error code " << res << ")\n";
return -1;
}
compressed.resize(int(hSize + compressedLen));
memcpy(compressed.data() + hSigLen + hShaLen, &resultSize, hOriginalSizeLen);
cout << "Compressed to size: " << compressedLen << "\n";
cout << "Checking uncompressed..\n";
int32 resultCheckLen;
memcpy(&resultCheckLen, compressed.constData() + hSigLen + hShaLen, hOriginalSizeLen);
if (resultCheckLen <= 0 || resultCheckLen > 1024 * 1024 * 1024) {
cout << "Bad result len: " << resultCheckLen << "\n";
return -1;
}
resultCheck.resize(resultCheckLen);
size_t resultLen = resultCheck.size();
stream = LZMA_STREAM_INIT;
ret = lzma_stream_decoder(&stream, UINT64_MAX, LZMA_CONCATENATED);
if (ret != LZMA_OK) {
const char *msg;
switch (ret) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_OPTIONS_ERROR: msg = "Specified preset is not supported"; break;
case LZMA_UNSUPPORTED_CHECK: msg = "Specified integrity check is not supported"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
cout << "Error initializing the decoder: " << msg << " (error code " << ret << ")\n";
return -1;
}
stream.avail_in = compressedLen;
stream.next_in = (uint8_t*)(compressed.constData() + hSize);
stream.avail_out = resultLen;
stream.next_out = (uint8_t*)resultCheck.data();
res = lzma_code(&stream, LZMA_FINISH);
if (stream.avail_in) {
cout << "Error in decompression, " << stream.avail_in << " bytes left in _in of " << compressedLen << " whole.\n";
return -1;
} else if (stream.avail_out) {
cout << "Error in decompression, " << stream.avail_out << " bytes free left in _out of " << resultLen << " whole.\n";
return -1;
}
lzma_end(&stream);
if (res != LZMA_OK && res != LZMA_STREAM_END) {
const char *msg;
switch (res) {
case LZMA_MEM_ERROR: msg = "Memory allocation failed"; break;
case LZMA_FORMAT_ERROR: msg = "The input data is not in the .xz format"; break;
case LZMA_OPTIONS_ERROR: msg = "Unsupported compression options"; break;
case LZMA_DATA_ERROR: msg = "Compressed file is corrupt"; break;
case LZMA_BUF_ERROR: msg = "Compressed data is truncated or otherwise corrupt"; break;
default: msg = "Unknown error, possibly a bug"; break;
}
cout << "Error in decompression: " << msg << " (error code " << res << ")\n";
return -1;
}
#endif
if (memcmp(result.constData(), resultCheck.constData(), resultLen)) {
cout << "Data differ :(\n";
return -1;
}
/**/
result = resultCheck = QByteArray();
cout << "Counting SHA1 hash..\n";
uchar sha1Buffer[20];
memcpy(compressed.data() + hSigLen, hashSha1(compressed.constData() + hSigLen + hShaLen, uint32(compressedLen + hPropsLen + hOriginalSizeLen), sha1Buffer), hShaLen); // count sha1
uint32 siglen = 0;
cout << "Signing..\n";
RSA *prKey = PEM_read_bio_RSAPrivateKey(BIO_new_mem_buf(const_cast<char*>((DevChannel || BetaVersion) ? PrivateDevKey : PrivateKey), -1), 0, 0, 0);
if (!prKey) {
cout << "Could not read RSA private key!\n";
return -1;
}
if (RSA_size(prKey) != hSigLen) {
cout << "Bad private key, size: " << RSA_size(prKey) << "\n";
RSA_free(prKey);
return -1;
}
if (RSA_sign(NID_sha1, (const uchar*)(compressed.constData() + hSigLen), hShaLen, (uchar*)(compressed.data()), &siglen, prKey) != 1) { // count signature
cout << "Signing failed!\n";
RSA_free(prKey);
return -1;
}
RSA_free(prKey);
if (siglen != hSigLen) {
cout << "Bad signature length: " << siglen << "\n";
return -1;
}
cout << "Checking signature..\n";
RSA *pbKey = PEM_read_bio_RSAPublicKey(BIO_new_mem_buf(const_cast<char*>((DevChannel || BetaVersion) ? PublicDevKey : PublicKey), -1), 0, 0, 0);
if (!pbKey) {
cout << "Could not read RSA public key!\n";
return -1;
}
if (RSA_verify(NID_sha1, (const uchar*)(compressed.constData() + hSigLen), hShaLen, (const uchar*)(compressed.constData()), siglen, pbKey) != 1) { // verify signature
RSA_free(pbKey);
cout << "Signature verification failed!\n";
return -1;
}
cout << "Signature verified!\n";
RSA_free(pbKey);
#ifdef Q_OS_WIN
QString outName(QString("tupdate%1").arg(BetaVersion ? BetaVersion : version));
#elif defined Q_OS_MAC
QString outName(QString("tmacupd%1").arg(BetaVersion ? BetaVersion : version));
#elif defined Q_OS_LINUX32
QString outName(QString("tlinux32upd%1").arg(BetaVersion ? BetaVersion : version));
#elif defined Q_OS_LINUX64
QString outName(QString("tlinuxupd%1").arg(BetaVersion ? BetaVersion : version));
#else
#error Unknown platform!
#endif
if (BetaVersion) {
outName += "_" + BetaSignature;
}
QFile out(outName);
if (!out.open(QIODevice::WriteOnly)) {
cout << "Can't open '" << outName.toUtf8().constData() << "' for write..\n";
return -1;
}
out.write(compressed);
out.close();
if (BetaVersion) {
QString keyName(QString("tbeta_%1_key").arg(BetaVersion));
QFile key(keyName);
if (!key.open(QIODevice::WriteOnly)) {
cout << "Can't open '" << keyName.toUtf8().constData() << "' for write..\n";
return -1;
}
key.write(BetaSignature.toUtf8());
key.close();
}
cout << "Update file '" << outName.toUtf8().constData() << "' written successfully!\n";
return 0;
}
static int
decompress_fd_xz(int fdi, int fdo)
{
uint8_t buf_in[BUFSIZ];
uint8_t buf_out[BUFSIZ];
lzma_stream strm = LZMA_STREAM_INIT;
lzma_ret ret = lzma_stream_decoder(&strm, UINT64_MAX, 0);
if (ret != LZMA_OK)
{
close(fdi);
close(fdo);
log_error("Failed to initialize XZ decoder: code %d", ret);
return -ENOMEM;
}
lzma_action action = LZMA_RUN;
strm.next_out = buf_out;
strm.avail_out = sizeof(buf_out);
for (;;)
{
if (strm.avail_in == 0 && action == LZMA_RUN)
{
strm.next_in = buf_in;
strm.avail_in = safe_read(fdi, buf_in, sizeof(buf_in));
if (strm.avail_in < 0)
{
perror_msg("Failed to read source core file");
close(fdi);
close(fdo);
lzma_end(&strm);
return -1;
}
if (strm.avail_in == 0)
action = LZMA_FINISH;
}
ret = lzma_code(&strm, action);
if (strm.avail_out == 0 || ret == LZMA_STREAM_END)
{
const ssize_t n = sizeof(buf_out) - strm.avail_out;
if (n != safe_write(fdo, buf_out, n))
{
perror_msg("Failed to write decompressed data");
close(fdi);
close(fdo);
lzma_end(&strm);
return -1;
}
if (ret == LZMA_STREAM_END)
{
log_debug("Successfully decompressed coredump.");
break;
}
strm.next_out = buf_out;
strm.avail_out = sizeof(buf_out);
}
}
return 0;
}
int xz_dec_init(lzma_stream *str)
{
lzma_ret ret_xz;
ret_xz = lzma_stream_decoder(str, UINT64_MAX, LZMA_CONCATENATED);
return ret_xz;
}
