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2 Commits

Author SHA1 Message Date
Kim Kulling ee0d8aa741
Merge branch 'master' into kimkulling/add_md5_parser_check_issue-5257 2023-10-02 10:27:13 +02:00
Kim Kulling ccb19d868c Fix: Add check for invalid input argument 2023-10-02 10:24:43 +02:00
2 changed files with 38 additions and 34 deletions

View File

@ -3,7 +3,7 @@
Open Asset Import Library (assimp) Open Asset Import Library (assimp)
--------------------------------------------------------------------------- ---------------------------------------------------------------------------
Copyright (c) 2006-2022, assimp team Copyright (c) 2006-2023, assimp team
All rights reserved. All rights reserved.
@ -87,7 +87,7 @@ MD5Parser::MD5Parser(char *_buffer, unsigned int _fileSize) : buffer(_buffer), b
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Report error to the log stream // Report error to the log stream
/*static*/ AI_WONT_RETURN void MD5Parser::ReportError(const char *error, unsigned int line) { AI_WONT_RETURN void MD5Parser::ReportError(const char *error, unsigned int line) {
char szBuffer[1024]; char szBuffer[1024];
::ai_snprintf(szBuffer, 1024, "[MD5] Line %u: %s", line, error); ::ai_snprintf(szBuffer, 1024, "[MD5] Line %u: %s", line, error);
throw DeadlyImportError(szBuffer); throw DeadlyImportError(szBuffer);
@ -95,7 +95,7 @@ MD5Parser::MD5Parser(char *_buffer, unsigned int _fileSize) : buffer(_buffer), b
// ------------------------------------------------------------------------------------------------ // ------------------------------------------------------------------------------------------------
// Report warning to the log stream // Report warning to the log stream
/*static*/ void MD5Parser::ReportWarning(const char *warn, unsigned int line) { void MD5Parser::ReportWarning(const char *warn, unsigned int line) {
char szBuffer[1024]; char szBuffer[1024];
::snprintf(szBuffer, sizeof(szBuffer), "[MD5] Line %u: %s", line, warn); ::snprintf(szBuffer, sizeof(szBuffer), "[MD5] Line %u: %s", line, warn);
ASSIMP_LOG_WARN(szBuffer); ASSIMP_LOG_WARN(szBuffer);
@ -122,8 +122,8 @@ void MD5Parser::ParseHeader() {
// print the command line options to the console // print the command line options to the console
// FIX: can break the log length limit, so we need to be careful // FIX: can break the log length limit, so we need to be careful
char *sz = buffer; char *sz = buffer;
while (!IsLineEnd(*buffer++)) while (!IsLineEnd(*buffer++));
;
ASSIMP_LOG_INFO(std::string(sz, std::min((uintptr_t)MAX_LOG_MESSAGE_LENGTH, (uintptr_t)(buffer - sz)))); ASSIMP_LOG_INFO(std::string(sz, std::min((uintptr_t)MAX_LOG_MESSAGE_LENGTH, (uintptr_t)(buffer - sz))));
SkipSpacesAndLineEnd(); SkipSpacesAndLineEnd();
} }

View File

@ -2,8 +2,7 @@
Open Asset Import Library (assimp) Open Asset Import Library (assimp)
---------------------------------------------------------------------- ----------------------------------------------------------------------
Copyright (c) 2006-2022, assimp team Copyright (c) 2006-2023, assimp team
All rights reserved. All rights reserved.
@ -93,7 +92,7 @@ struct Section {
std::string mName; std::string mName;
//! For global elements: the value of the element as string //! For global elements: the value of the element as string
//! Iif !length() the section is not a global element //! if !length() the section is not a global element
std::string mGlobalValue; std::string mGlobalValue;
}; };
@ -349,62 +348,61 @@ public:
*/ */
MD5Parser(char* buffer, unsigned int fileSize); MD5Parser(char* buffer, unsigned int fileSize);
// ------------------------------------------------------------------- // -------------------------------------------------------------------
/** Report a specific error message and throw an exception /** Report a specific error message and throw an exception
* @param error Error message to be reported * @param error Error message to be reported
* @param line Index of the line where the error occurred * @param line Index of the line where the error occurred
*/ */
AI_WONT_RETURN static void ReportError (const char* error, unsigned int line) AI_WONT_RETURN_SUFFIX; AI_WONT_RETURN static void ReportError(const char* error, unsigned int line) AI_WONT_RETURN_SUFFIX;
// ------------------------------------------------------------------- // -------------------------------------------------------------------
/** Report a specific warning /** Report a specific warning
* @param warn Warn message to be reported * @param warn Warn message to be reported
* @param line Index of the line where the error occurred * @param line Index of the line where the error occurred
*/ */
static void ReportWarning (const char* warn, unsigned int line); static void ReportWarning(const char* warn, unsigned int line);
// -------------------------------------------------------------------
/** Report a specific error
* @param error Error message to be reported
*/
AI_WONT_RETURN void ReportError (const char* error) AI_WONT_RETURN_SUFFIX; AI_WONT_RETURN void ReportError (const char* error) AI_WONT_RETURN_SUFFIX;
void ReportWarning (const char* warn) { // -------------------------------------------------------------------
return ReportWarning(warn, lineNumber); /** Report a specific warning
} * @param error Warn message to be reported
*/
void ReportWarning (const char* warn);
//! List of all sections which have been read //! List of all sections which have been read
SectionList mSections; SectionList mSections;
private: private:
// -------------------------------------------------------------------
/** Parses a file section. The current file pointer must be outside
* of a section.
* @param out Receives the section data
* @return true if the end of the file has been reached
* @throws ImportErrorException if an error occurs
*/
bool ParseSection(Section& out); bool ParseSection(Section& out);
// -------------------------------------------------------------------
/** Parses the file header
* @throws ImportErrorException if an error occurs
*/
void ParseHeader(); void ParseHeader();
bool SkipLine(const char* in, const char** out); bool SkipLine(const char* in, const char** out);
bool SkipLine( ); bool SkipLine( );
bool SkipSpacesAndLineEnd( const char* in, const char** out); bool SkipSpacesAndLineEnd( const char* in, const char** out);
bool SkipSpacesAndLineEnd(); bool SkipSpacesAndLineEnd();
bool SkipSpaces(); bool SkipSpaces();
private:
char* buffer; char* buffer;
char* bufferEnd; char* bufferEnd;
unsigned int fileSize; unsigned int fileSize;
unsigned int lineNumber; unsigned int lineNumber;
}; };
// -------------------------------------------------------------------
inline void MD5Parser::ReportWarning (const char* warn) {
return ReportWarning(warn, lineNumber);
}
// -------------------------------------------------------------------
inline void MD5Parser::ReportError(const char* error) { inline void MD5Parser::ReportError(const char* error) {
ReportError(error, lineNumber); ReportError(error, lineNumber);
} }
// ------------------------------------------------------------------- // -------------------------------------------------------------------
inline bool MD5Parser::SkipLine(const char* in, const char** out) { inline bool MD5Parser::SkipLine(const char* in, const char** out) {
++lineNumber; ++lineNumber;
@ -418,8 +416,12 @@ inline bool MD5Parser::SkipLine( ) {
// ------------------------------------------------------------------- // -------------------------------------------------------------------
inline bool MD5Parser::SkipSpacesAndLineEnd( const char* in, const char** out) { inline bool MD5Parser::SkipSpacesAndLineEnd( const char* in, const char** out) {
bool bHad = false; if (in == bufferEnd) {
bool running = true; *out = in;
return false;
}
bool bHad = false, running = true;
while (running) { while (running) {
if( *in == '\r' || *in == '\n') { if( *in == '\r' || *in == '\n') {
// we open files in binary mode, so there could be \r\n sequences ... // we open files in binary mode, so there could be \r\n sequences ...
@ -427,9 +429,11 @@ inline bool MD5Parser::SkipSpacesAndLineEnd( const char* in, const char** out) {
bHad = true; bHad = true;
++lineNumber; ++lineNumber;
} }
} else if (*in == '\t' || *in == ' ') {
bHad = false;
} else {
break;
} }
else if (*in == '\t' || *in == ' ')bHad = false;
else break;
++in; ++in;
if (in == bufferEnd) { if (in == bufferEnd) {
break; break;