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-rw-r--r--core/src/fxcodec/codec/fx_codec.cpp3
-rw-r--r--core/src/fxcodec/codec/fx_codec_fax.cpp12
-rw-r--r--core/src/fxcodec/codec/fx_codec_flate.cpp42
-rw-r--r--core/src/fxcodec/codec/fx_codec_icc.cpp6
-rw-r--r--core/src/fxcodec/codec/fx_codec_jbig.cpp6
-rw-r--r--core/src/fxcodec/codec/fx_codec_jpx_opj.cpp6
6 files changed, 72 insertions, 3 deletions
diff --git a/core/src/fxcodec/codec/fx_codec.cpp b/core/src/fxcodec/codec/fx_codec.cpp
index c325cccdd4..e8aad711f3 100644
--- a/core/src/fxcodec/codec/fx_codec.cpp
+++ b/core/src/fxcodec/codec/fx_codec.cpp
@@ -333,6 +333,9 @@ FX_BOOL CCodec_RLScanlineDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size,
m_Pitch = (width * nComps * bpc + 31) / 32 * 4;
m_dwLineBytes = (width * nComps * bpc + 7) / 8;
m_pScanline = FX_Alloc(FX_BYTE, m_Pitch);
+ if (m_pScanline == NULL) {
+ return FALSE;
+ }
return CheckDestSize();
}
FX_BOOL CCodec_RLScanlineDecoder::v_Rewind()
diff --git a/core/src/fxcodec/codec/fx_codec_fax.cpp b/core/src/fxcodec/codec/fx_codec_fax.cpp
index dc2ee2aacd..33e89e4f92 100644
--- a/core/src/fxcodec/codec/fx_codec_fax.cpp
+++ b/core/src/fxcodec/codec/fx_codec_fax.cpp
@@ -622,7 +622,13 @@ FX_BOOL CCodec_FaxDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size, int wid
m_OutputWidth = m_OrigWidth;
m_OutputHeight = m_OrigHeight;
m_pScanlineBuf = FX_Alloc(FX_BYTE, m_Pitch);
+ if (m_pScanlineBuf == NULL) {
+ return FALSE;
+ }
m_pRefBuf = FX_Alloc(FX_BYTE, m_Pitch);
+ if (m_pRefBuf == NULL) {
+ return FALSE;
+ }
m_pSrcBuf = src_buf;
m_SrcSize = src_size;
m_nComps = 1;
@@ -699,6 +705,9 @@ extern "C" {
pitch = (width + 7) / 8;
}
FX_LPBYTE ref_buf = FX_Alloc(FX_BYTE, pitch);
+ if (ref_buf == NULL) {
+ return;
+ }
FXSYS_memset8(ref_buf, 0xff, pitch);
int bitpos = *pbitpos;
for (int iRow = 0; iRow < height; iRow ++) {
@@ -936,6 +945,9 @@ CCodec_FaxEncoder::CCodec_FaxEncoder(FX_LPCBYTE src_buf, int width, int height,
m_Rows = height;
m_Pitch = pitch;
m_pRefLine = FX_Alloc(FX_BYTE, m_Pitch);
+ if (m_pRefLine == NULL) {
+ return;
+ }
FXSYS_memset8(m_pRefLine, 0xff, m_Pitch);
m_pLineBuf = FX_Alloc2D(FX_BYTE, m_Pitch, 8);
m_DestBuf.EstimateSize(0, 10240);
diff --git a/core/src/fxcodec/codec/fx_codec_flate.cpp b/core/src/fxcodec/codec/fx_codec_flate.cpp
index 7a19e8b855..4d43cc554b 100644
--- a/core/src/fxcodec/codec/fx_codec_flate.cpp
+++ b/core/src/fxcodec/codec/fx_codec_flate.cpp
@@ -583,8 +583,8 @@ class CCodec_FlateScanlineDecoder : public CCodec_ScanlineDecoder
public:
CCodec_FlateScanlineDecoder();
~CCodec_FlateScanlineDecoder();
- void Create(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc,
- int predictor, int Colors, int BitsPerComponent, int Columns);
+ FX_BOOL Create(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height, int nComps, int bpc,
+ int predictor, int Colors, int BitsPerComponent, int Columns);
virtual void Destroy()
{
delete this;
@@ -630,7 +630,7 @@ CCodec_FlateScanlineDecoder::~CCodec_FlateScanlineDecoder()
FPDFAPI_FlateEnd(m_pFlate);
}
}
-void CCodec_FlateScanlineDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,
+FX_BOOL CCodec_FlateScanlineDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size, int width, int height,
int nComps, int bpc, int predictor, int Colors, int BitsPerComponent, int Columns)
{
m_SrcBuf = src_buf;
@@ -642,6 +642,9 @@ void CCodec_FlateScanlineDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size,
m_bColorTransformed = FALSE;
m_Pitch = (width * nComps * bpc + 7) / 8;
m_pScanline = FX_Alloc(FX_BYTE, m_Pitch);
+ if (m_pScanline == NULL) {
+ return FALSE;
+ }
m_Predictor = 0;
if (predictor) {
if (predictor >= 10) {
@@ -660,10 +663,20 @@ void CCodec_FlateScanlineDecoder::Create(FX_LPCBYTE src_buf, FX_DWORD src_size,
m_Columns = Columns;
m_PredictPitch = (m_BitsPerComponent * m_Colors * m_Columns + 7) / 8;
m_pLastLine = FX_Alloc(FX_BYTE, m_PredictPitch);
+ if (m_pLastLine == NULL) {
+ return FALSE;
+ }
m_pPredictRaw = FX_Alloc(FX_BYTE, m_PredictPitch + 1);
+ if (m_pPredictRaw == NULL) {
+ return FALSE;
+ }
m_pPredictBuffer = FX_Alloc(FX_BYTE, m_PredictPitch);
+ if (m_pPredictBuffer == NULL) {
+ return FALSE;
+ }
}
}
+ return TRUE;
}
FX_BOOL CCodec_FlateScanlineDecoder::v_Rewind()
{
@@ -739,6 +752,8 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
FX_LPBYTE guess_buf = FX_Alloc(FX_BYTE, guess_size + 1);
FX_LPBYTE cur_buf = guess_buf;
+ if (!guess_buf)
+ goto fail;
guess_buf[guess_size] = '\0';
context = FPDFAPI_FlateInit(my_alloc_func, my_free_func);
if (!context)
@@ -794,6 +809,12 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
// |avail_buf_size| == 0 case.
result_tmp_bufs.Add(cur_buf);
cur_buf = FX_Alloc(FX_BYTE, buf_size + 1);
+ if (!cur_buf) {
+ for (FX_INT32 i = 0; i < result_tmp_bufs.GetSize(); i++) {
+ FX_Free(result_tmp_bufs[i]);
+ }
+ goto fail;
+ }
cur_buf[buf_size] = '\0';
}
dest_size = FPDFAPI_FlateGetTotalOut(context);
@@ -802,6 +823,12 @@ static void FlateUncompress(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_DWORD orig
dest_buf = result_tmp_bufs[0];
} else {
FX_LPBYTE result_buf = FX_Alloc(FX_BYTE, dest_size);
+ if (!result_buf) {
+ for (FX_INT32 i = 0; i < result_tmp_bufs.GetSize(); i++) {
+ FX_Free(result_tmp_bufs[i]);
+ }
+ goto fail;
+ }
FX_DWORD result_pos = 0;
for (FX_INT32 i = 0; i < result_tmp_bufs.GetSize(); i++) {
FX_LPBYTE tmp_buf = result_tmp_bufs[i];
@@ -860,6 +887,9 @@ FX_DWORD CCodec_FlateModule::FlateOrLZWDecode(FX_BOOL bLZW, const FX_BYTE* src_b
{
nonstd::unique_ptr<CLZWDecoder> decoder(new CLZWDecoder);
dest_buf = FX_Alloc( FX_BYTE, dest_size + 1);
+ if (dest_buf == NULL) {
+ return -1;
+ }
dest_buf[dest_size] = '\0';
decoder->Decode(dest_buf, dest_size, src_buf, offset, bEarlyChange);
}
@@ -888,6 +918,9 @@ FX_BOOL CCodec_FlateModule::Encode(const FX_BYTE* src_buf, FX_DWORD src_size,
}
FX_LPBYTE pSrcBuf = NULL;
pSrcBuf = FX_Alloc(FX_BYTE, src_size);
+ if (pSrcBuf == NULL) {
+ return FALSE;
+ }
FXSYS_memcpy32(pSrcBuf, src_buf, src_size);
FX_BOOL ret = TRUE;
if (predictor == 2) {
@@ -906,6 +939,9 @@ FX_BOOL CCodec_FlateModule::Encode(FX_LPCBYTE src_buf, FX_DWORD src_size, FX_LPB
{
dest_size = src_size + src_size / 1000 + 12;
dest_buf = FX_Alloc( FX_BYTE, dest_size);
+ if (dest_buf == NULL) {
+ return FALSE;
+ }
unsigned long temp_size = dest_size;
FPDFAPI_FlateCompress(dest_buf, &temp_size, src_buf, src_size);
dest_size = (FX_DWORD)temp_size;
diff --git a/core/src/fxcodec/codec/fx_codec_icc.cpp b/core/src/fxcodec/codec/fx_codec_icc.cpp
index 26b4c1adfc..a984fecc30 100644
--- a/core/src/fxcodec/codec/fx_codec_icc.cpp
+++ b/core/src/fxcodec/codec/fx_codec_icc.cpp
@@ -285,6 +285,9 @@ ICodec_IccModule::IccCS CCodec_IccModule::GetProfileCS(IFX_FileRead* pFile)
ICodec_IccModule::IccCS cs;
FX_DWORD dwSize = (FX_DWORD)pFile->GetSize();
FX_LPBYTE pBuf = FX_Alloc(FX_BYTE, dwSize);
+ if (pBuf == NULL) {
+ return IccCS_Unknown;
+ }
pFile->ReadBlock(pBuf, 0, dwSize);
cs = GetProfileCS(pBuf, dwSize);
FX_Free(pBuf);
@@ -488,6 +491,9 @@ FX_LPVOID CCodec_IccModule::CreateTransform(ICodec_IccModule::IccParam* pInputPa
CFX_IccTransformCache* pTransformCache;
if (!m_MapTranform.Lookup(TransformKey, (FX_LPVOID&)pTransformCache)) {
pCmm = FX_Alloc(CLcmsCmm, 1);
+ if (pCmm == NULL) {
+ return NULL;
+ }
pCmm->m_nSrcComponents = T_CHANNELS(dwInputProfileType);
pCmm->m_nDstComponents = T_CHANNELS(dwOutputProfileType);
pCmm->m_bLab = T_COLORSPACE(pInputParam->dwFormat) == PT_Lab;
diff --git a/core/src/fxcodec/codec/fx_codec_jbig.cpp b/core/src/fxcodec/codec/fx_codec_jbig.cpp
index 8fcd9f4711..278d9cbcf6 100644
--- a/core/src/fxcodec/codec/fx_codec_jbig.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jbig.cpp
@@ -53,6 +53,9 @@ FX_BOOL CCodec_Jbig2Module::Decode(IFX_FileRead* file_ptr,
CJBig2_Image* dest_image = NULL;
FX_DWORD src_size = (FX_DWORD)file_ptr->GetSize();
FX_LPBYTE src_buf = FX_Alloc(FX_BYTE, src_size);
+ if (src_buf == NULL) {
+ return FALSE;
+ }
int ret = 0;
if(!file_ptr->ReadBlock(src_buf, 0, src_size)) {
goto failed;
@@ -130,6 +133,9 @@ FXCODEC_STATUS CCodec_Jbig2Module::StartDecode(void* pJbig2Context, IFX_FileRead
m_pJbig2Context->m_dest_image = NULL;
m_pJbig2Context->m_src_size = (FX_DWORD)file_ptr->GetSize();
m_pJbig2Context->m_src_buf = FX_Alloc(FX_BYTE, m_pJbig2Context->m_src_size);
+ if (m_pJbig2Context->m_src_buf == NULL) {
+ return FXCODEC_STATUS_ERR_MEMORY;
+ }
int ret = 0;
if(!file_ptr->ReadBlock((void*)m_pJbig2Context->m_src_buf, 0, m_pJbig2Context->m_src_size)) {
goto failed;
diff --git a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
index 1a1616c0a1..3546f574f9 100644
--- a/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
+++ b/core/src/fxcodec/codec/fx_codec_jpx_opj.cpp
@@ -715,8 +715,14 @@ FX_BOOL CJPX_Decoder::Decode(FX_LPBYTE dest_buf, int pitch, FX_BOOL bTranslateCo
}
FXSYS_memset8(dest_buf, 0xff, image->y1 * pitch);
FX_BYTE** channel_bufs = FX_Alloc(FX_BYTE*, image->numcomps);
+ if (channel_bufs == NULL) {
+ return FALSE;
+ }
FX_BOOL result = FALSE;
int* adjust_comps = FX_Alloc(int, image->numcomps);
+ if (adjust_comps == NULL) {
+ goto done;
+ }
for (i = 0; i < (int)image->numcomps; i ++) {
channel_bufs[i] = dest_buf + offsets[i];
adjust_comps[i] = image->comps[i].prec - 8;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 08:14:13 +0000