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-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp9
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp2
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp36
3 files changed, 26 insertions, 21 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
index 9bb9d41db1..7ed82fdfb6 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode_embeddertest.cpp
@@ -105,3 +105,12 @@ TEST_F(FPDFParserDecodeEmbeddertest, Bug_555784) {
UnloadPage(page);
}
+TEST_F(FPDFParserDecodeEmbeddertest, Bug_455199) {
+ // Tests object numbers with a value > 01000000.
+ // Should open successfully.
+ EXPECT_TRUE(OpenDocument("bug_455199.pdf"));
+ FPDF_PAGE page = LoadPage(0);
+ FPDF_BITMAP bitmap = RenderPage(page);
+ FPDFBitmap_Destroy(bitmap);
+ UnloadPage(page);
+}
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
index b80568b63c..fbe6a8fb3a 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp
@@ -51,7 +51,7 @@ void CFDF_Document::ParseStream(IFX_FileRead* pFile, FX_BOOL bOwnFile) {
bool bNumber;
CFX_ByteString word = parser.GetNextWord(&bNumber);
if (bNumber) {
- FX_DWORD objnum = FXSYS_atoi(word);
+ FX_DWORD objnum = FXSYS_atoui(word);
word = parser.GetNextWord(&bNumber);
if (!bNumber) {
break;
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 825a8a26d4..16d1134cb1 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -534,7 +534,7 @@ bool CPDF_Parser::LoadCrossRefV4(FX_FILESIZE pos,
break;
}
- FX_DWORD start_objnum = FXSYS_atoi(word);
+ FX_DWORD start_objnum = FXSYS_atoui(word);
if (start_objnum >= kMaxObjectNumber)
return false;
@@ -758,10 +758,6 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() {
break;
case 3:
if (PDFCharIsWhitespace(byte) || PDFCharIsDelimiter(byte)) {
- if (objnum > 0x1000000) {
- state = ParserState::kDefault;
- break;
- }
FX_FILESIZE obj_pos = start_pos - m_Syntax.m_HeaderOffset;
m_SortedOffset.insert(obj_pos);
last_obj = start_pos;
@@ -1323,7 +1319,7 @@ void CPDF_Parser::GetIndirectBinary(FX_DWORD objnum,
return;
}
- FX_DWORD parser_objnum = FXSYS_atoi(word);
+ FX_DWORD parser_objnum = FXSYS_atoui(word);
if (parser_objnum && parser_objnum != objnum) {
m_Syntax.RestorePos(SavedPos);
return;
@@ -1395,7 +1391,7 @@ CPDF_Object* CPDF_Parser::ParseIndirectObjectAt(
FX_FILESIZE objOffset = m_Syntax.SavePos();
objOffset -= word.GetLength();
- FX_DWORD parser_objnum = FXSYS_atoi(word);
+ FX_DWORD parser_objnum = FXSYS_atoui(word);
if (objnum && parser_objnum != objnum) {
m_Syntax.RestorePos(SavedPos);
return nullptr;
@@ -1407,7 +1403,7 @@ CPDF_Object* CPDF_Parser::ParseIndirectObjectAt(
return nullptr;
}
- FX_DWORD parser_gennum = FXSYS_atoi(word);
+ FX_DWORD parser_gennum = FXSYS_atoui(word);
if (m_Syntax.GetKeyword() != "obj") {
m_Syntax.RestorePos(SavedPos);
return nullptr;
@@ -1444,7 +1440,7 @@ CPDF_Object* CPDF_Parser::ParseIndirectObjectAtByStrict(
return nullptr;
}
- FX_DWORD parser_objnum = FXSYS_atoi(word);
+ FX_DWORD parser_objnum = FXSYS_atoui(word);
if (objnum && parser_objnum != objnum) {
m_Syntax.RestorePos(SavedPos);
return nullptr;
@@ -1456,7 +1452,7 @@ CPDF_Object* CPDF_Parser::ParseIndirectObjectAtByStrict(
return nullptr;
}
- FX_DWORD gennum = FXSYS_atoi(word);
+ FX_DWORD gennum = FXSYS_atoui(word);
if (m_Syntax.GetKeyword() != "obj") {
m_Syntax.RestorePos(SavedPos);
return nullptr;
@@ -1506,12 +1502,12 @@ FX_BOOL CPDF_Parser::IsLinearizedFile(IFX_FileRead* pFileAccess,
if (!bIsNumber)
return FALSE;
- FX_DWORD objnum = FXSYS_atoi(word);
+ FX_DWORD objnum = FXSYS_atoui(word);
word = m_Syntax.GetNextWord(&bIsNumber);
if (!bIsNumber)
return FALSE;
- FX_DWORD gennum = FXSYS_atoi(word);
+ FX_DWORD gennum = FXSYS_atoui(word);
if (m_Syntax.GetKeyword() != "obj") {
m_Syntax.RestorePos(SavedPos);
return FALSE;
@@ -2039,7 +2035,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjectHolder* pObjList,
if (bIsNumber) {
CFX_ByteString nextword2 = GetNextWord(nullptr);
if (nextword2 == "R") {
- FX_DWORD objnum = FXSYS_atoi(word);
+ FX_DWORD objnum = FXSYS_atoui(word);
return new CPDF_Reference(pObjList, objnum);
}
}
@@ -2163,7 +2159,7 @@ CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict(
if (bIsNumber) {
CFX_ByteString nextword2 = GetNextWord(nullptr);
if (nextword2 == "R")
- return new CPDF_Reference(pObjList, FXSYS_atoi(word));
+ return new CPDF_Reference(pObjList, FXSYS_atoui(word));
}
m_Pos = SavedPos;
return new CPDF_Number(word);
@@ -2440,14 +2436,14 @@ void CPDF_SyntaxParser::InitParser(IFX_FileRead* pFileAccess,
(size_t)((FX_FILESIZE)m_BufSize > m_FileLen ? m_FileLen : m_BufSize));
}
-int32_t CPDF_SyntaxParser::GetDirectNum() {
+uint32_t CPDF_SyntaxParser::GetDirectNum() {
bool bIsNumber;
GetNextWordInternal(&bIsNumber);
if (!bIsNumber)
return 0;
m_WordBuffer[m_WordSize] = 0;
- return FXSYS_atoi(reinterpret_cast<const FX_CHAR*>(m_WordBuffer));
+ return FXSYS_atoui(reinterpret_cast<const FX_CHAR*>(m_WordBuffer));
}
bool CPDF_SyntaxParser::IsWholeWord(FX_FILESIZE startpos,
@@ -3554,7 +3550,7 @@ CPDF_Object* CPDF_DataAvail::ParseIndirectObjectAt(
if (!bIsNumber)
return nullptr;
- FX_DWORD parser_objnum = FXSYS_atoi(word);
+ FX_DWORD parser_objnum = FXSYS_atoui(word);
if (objnum && parser_objnum != objnum)
return nullptr;
@@ -3562,7 +3558,7 @@ CPDF_Object* CPDF_DataAvail::ParseIndirectObjectAt(
if (!bIsNumber)
return nullptr;
- FX_DWORD gennum = FXSYS_atoi(word);
+ FX_DWORD gennum = FXSYS_atoui(word);
if (m_syntaxParser.GetKeyword() != "obj") {
m_syntaxParser.RestorePos(SavedPos);
return nullptr;
@@ -3611,7 +3607,7 @@ FX_BOOL CPDF_DataAvail::IsLinearizedFile(uint8_t* pData, FX_DWORD dwLen) {
if (!bNumber)
return FALSE;
- FX_DWORD objnum = FXSYS_atoi(wordObjNum);
+ FX_DWORD objnum = FXSYS_atoui(wordObjNum);
if (m_pLinearized) {
m_pLinearized->Release();
m_pLinearized = nullptr;
@@ -3704,7 +3700,7 @@ int32_t CPDF_DataAvail::CheckCrossRefStream(IFX_DownloadHints* pHints,
if (!bNumber)
return -1;
- FX_DWORD objNum = FXSYS_atoi(objnum);
+ FX_DWORD objNum = FXSYS_atoui(objnum);
CPDF_Object* pObj = m_parser.ParseIndirectObjectAt(nullptr, 0, objNum);
if (!pObj) {
m_Pos += m_parser.m_Syntax.SavePos();
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-16 16:06:45 +0000