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Diffstat (limited to 'third_party/lcms/src/cmsio0.c')
-rw-r--r--third_party/lcms/src/cmsio0.c117
1 files changed, 92 insertions, 25 deletions
diff --git a/third_party/lcms/src/cmsio0.c b/third_party/lcms/src/cmsio0.c
index 3ed730a92a..cc5f890644 100644
--- a/third_party/lcms/src/cmsio0.c
+++ b/third_party/lcms/src/cmsio0.c
@@ -1,7 +1,7 @@
//---------------------------------------------------------------------------------
//
// Little Color Management System
-// Copyright (c) 1998-2012 Marti Maria Saguer
+// Copyright (c) 1998-2016 Marti Maria Saguer
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the "Software"),
@@ -23,6 +23,7 @@
//
//---------------------------------------------------------------------------------
//
+
#include "lcms2_internal.h"
// Generic I/O, tag dictionary management, profile struct
@@ -323,7 +324,7 @@ cmsUInt32Number FileRead(cmsIOHANDLER* iohandler, void *Buffer, cmsUInt32Number
return nReaded;
}
-// Postion file pointer in the file
+// Position file pointer in the file
static
cmsBool FileSeek(cmsIOHANDLER* iohandler, cmsUInt32Number offset)
{
@@ -367,6 +368,7 @@ cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromFile(cmsContext ContextID, const cha
{
cmsIOHANDLER* iohandler = NULL;
FILE* fm = NULL;
+ cmsInt32Number fileLen;
_cmsAssert(FileName != NULL);
_cmsAssert(AccessMode != NULL);
@@ -382,8 +384,17 @@ cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromFile(cmsContext ContextID, const cha
_cmsFree(ContextID, iohandler);
cmsSignalError(ContextID, cmsERROR_FILE, "File '%s' not found", FileName);
return NULL;
+ }
+ fileLen = cmsfilelength(fm);
+ if (fileLen < 0)
+ {
+ fclose(fm);
+ _cmsFree(ContextID, iohandler);
+ cmsSignalError(ContextID, cmsERROR_FILE, "Cannot get size of file '%s'", FileName);
+ return NULL;
}
- iohandler -> ReportedSize = (cmsUInt32Number) cmsfilelength(fm);
+
+ iohandler -> ReportedSize = (cmsUInt32Number) fileLen;
break;
case 'w':
@@ -423,6 +434,14 @@ cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromFile(cmsContext ContextID, const cha
cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromStream(cmsContext ContextID, FILE* Stream)
{
cmsIOHANDLER* iohandler = NULL;
+ cmsInt32Number fileSize;
+
+ fileSize = cmsfilelength(Stream);
+ if (fileSize < 0)
+ {
+ cmsSignalError(ContextID, cmsERROR_FILE, "Cannot get size of stream");
+ return NULL;
+ }
iohandler = (cmsIOHANDLER*) _cmsMallocZero(ContextID, sizeof(cmsIOHANDLER));
if (iohandler == NULL) return NULL;
@@ -430,7 +449,7 @@ cmsIOHANDLER* CMSEXPORT cmsOpenIOhandlerFromStream(cmsContext ContextID, FILE* S
iohandler -> ContextID = ContextID;
iohandler -> stream = (void*) Stream;
iohandler -> UsedSpace = 0;
- iohandler -> ReportedSize = (cmsUInt32Number) cmsfilelength(Stream);
+ iohandler -> ReportedSize = (cmsUInt32Number) fileSize;
iohandler -> PhysicalFile[0] = 0;
iohandler ->Read = FileRead;
@@ -452,6 +471,14 @@ cmsBool CMSEXPORT cmsCloseIOhandler(cmsIOHANDLER* io)
// -------------------------------------------------------------------------------------------------------
+cmsIOHANDLER* CMSEXPORT cmsGetProfileIOhandler(cmsHPROFILE hProfile)
+{
+ _cmsICCPROFILE* Icc = (_cmsICCPROFILE*)hProfile;
+
+ if (Icc == NULL) return NULL;
+ return Icc->IOhandler;
+}
+
#ifdef _WIN32_WCE
time_t wceex_time(time_t *timer);
struct tm * wceex_gmtime(const time_t *timer);
@@ -551,14 +578,14 @@ int _cmsSearchTag(_cmsICCPROFILE* Icc, cmsTagSignature sig, cmsBool lFollowLinks
// Yes, follow link
if (LinkedSig != (cmsTagSignature) 0) {
- // fix bug mantis id#0055942
- // assume that TRCTag and ColorantTag can't be linked.
- // Xiaochuan Liu 2014-04-23
- if ((sig == cmsSigRedTRCTag || sig == cmsSigGreenTRCTag || sig == cmsSigBlueTRCTag) &&
- (LinkedSig == cmsSigRedColorantTag || LinkedSig == cmsSigGreenColorantTag || LinkedSig == cmsSigBlueColorantTag))
- {
- return n;
- }
+ // fix bug mantis id#0055942
+ // assume that TRCTag and ColorantTag can't be linked.
+ // Xiaochuan Liu 2014-04-23
+ if ((sig == cmsSigRedTRCTag || sig == cmsSigGreenTRCTag || sig == cmsSigBlueTRCTag) &&
+ (LinkedSig == cmsSigRedColorantTag || LinkedSig == cmsSigGreenColorantTag || LinkedSig == cmsSigBlueColorantTag))
+ {
+ return n;
+ }
sig = LinkedSig;
}
@@ -630,7 +657,7 @@ cmsBool _cmsNewTag(_cmsICCPROFILE* Icc, cmsTagSignature sig, int* NewPos)
}
-// Check existance
+// Check existence
cmsBool CMSEXPORT cmsIsTag(cmsHPROFILE hProfile, cmsTagSignature sig)
{
_cmsICCPROFILE* Icc = (_cmsICCPROFILE*) (void*) hProfile;
@@ -638,6 +665,32 @@ cmsBool CMSEXPORT cmsIsTag(cmsHPROFILE hProfile, cmsTagSignature sig)
}
+
+// Enforces that the profile version is per. spec.
+// Operates on the big endian bytes from the profile.
+// Called before converting to platform endianness.
+// Byte 0 is BCD major version, so max 9.
+// Byte 1 is 2 BCD digits, one per nibble.
+// Reserved bytes 2 & 3 must be 0.
+static
+cmsUInt32Number _validatedVersion(cmsUInt32Number DWord)
+{
+ cmsUInt8Number* pByte = (cmsUInt8Number*) &DWord;
+ cmsUInt8Number temp1;
+ cmsUInt8Number temp2;
+
+ if (*pByte > 0x09) *pByte = (cmsUInt8Number) 0x09;
+ temp1 = *(pByte+1) & 0xf0;
+ temp2 = *(pByte+1) & 0x0f;
+ if (temp1 > 0x90) temp1 = 0x90;
+ if (temp2 > 0x09) temp2 = 0x09;
+ *(pByte+1) = (cmsUInt8Number)(temp1 | temp2);
+ *(pByte+2) = (cmsUInt8Number)0;
+ *(pByte+3) = (cmsUInt8Number)0;
+
+ return DWord;
+}
+
// Read profile header and validate it
cmsBool _cmsReadHeader(_cmsICCPROFILE* Icc)
{
@@ -660,7 +713,7 @@ cmsBool _cmsReadHeader(_cmsICCPROFILE* Icc)
return FALSE;
}
- // Adjust endianess of the used parameters
+ // Adjust endianness of the used parameters
Icc -> DeviceClass = (cmsProfileClassSignature) _cmsAdjustEndianess32(Header.deviceClass);
Icc -> ColorSpace = (cmsColorSpaceSignature) _cmsAdjustEndianess32(Header.colorSpace);
Icc -> PCS = (cmsColorSpaceSignature) _cmsAdjustEndianess32(Header.pcs);
@@ -672,7 +725,7 @@ cmsBool _cmsReadHeader(_cmsICCPROFILE* Icc)
Icc -> creator = _cmsAdjustEndianess32(Header.creator);
_cmsAdjustEndianess64(&Icc -> attributes, &Header.attributes);
- Icc -> Version = _cmsAdjustEndianess32(Header.version);
+ Icc -> Version = _cmsAdjustEndianess32(_validatedVersion(Header.version));
// Get size as reported in header
HeaderSize = _cmsAdjustEndianess32(Header.size);
@@ -779,7 +832,7 @@ cmsBool _cmsWriteHeader(_cmsICCPROFILE* Icc, cmsUInt32Number UsedSpace)
memset(&Header.reserved, 0, sizeof(Header.reserved));
- // Set profile ID. Endianess is always big endian
+ // Set profile ID. Endianness is always big endian
memmove(&Header.profileID, &Icc ->ProfileID, 16);
// Dump the header
@@ -789,7 +842,7 @@ cmsBool _cmsWriteHeader(_cmsICCPROFILE* Icc, cmsUInt32Number UsedSpace)
// Get true count
for (i=0; i < Icc -> TagCount; i++) {
- if (Icc ->TagNames[i] != 0)
+ if (Icc ->TagNames[i] != (cmsTagSignature) 0)
Count++;
}
@@ -798,7 +851,7 @@ cmsBool _cmsWriteHeader(_cmsICCPROFILE* Icc, cmsUInt32Number UsedSpace)
for (i=0; i < Icc -> TagCount; i++) {
- if (Icc ->TagNames[i] == 0) continue; // It is just a placeholder
+ if (Icc ->TagNames[i] == (cmsTagSignature) 0) continue; // It is just a placeholder
Tag.sig = (cmsTagSignature) _cmsAdjustEndianess32((cmsInt32Number) Icc -> TagNames[i]);
Tag.offset = _cmsAdjustEndianess32((cmsInt32Number) Icc -> TagOffsets[i]);
@@ -1148,7 +1201,7 @@ cmsBool SaveTags(_cmsICCPROFILE* Icc, _cmsICCPROFILE* FileOrig)
for (i=0; i < Icc -> TagCount; i++) {
- if (Icc ->TagNames[i] == 0) continue;
+ if (Icc ->TagNames[i] == (cmsTagSignature) 0) continue;
// Linked tags are not written
if (Icc ->TagLinked[i] != (cmsTagSignature) 0) continue;
@@ -1281,12 +1334,16 @@ cmsUInt32Number CMSEXPORT cmsSaveProfileToIOhandler(cmsHPROFILE hProfile, cmsIOH
cmsContext ContextID;
_cmsAssert(hProfile != NULL);
-
+
+ if (!_cmsLockMutex(Icc->ContextID, Icc->UsrMutex)) return 0;
memmove(&Keep, Icc, sizeof(_cmsICCPROFILE));
ContextID = cmsGetProfileContextID(hProfile);
PrevIO = Icc ->IOhandler = cmsOpenIOhandlerFromNULL(ContextID);
- if (PrevIO == NULL) return 0;
+ if (PrevIO == NULL) {
+ _cmsUnlockMutex(Icc->ContextID, Icc->UsrMutex);
+ return 0;
+ }
// Pass #1 does compute offsets
@@ -1306,7 +1363,10 @@ cmsUInt32Number CMSEXPORT cmsSaveProfileToIOhandler(cmsHPROFILE hProfile, cmsIOH
}
memmove(Icc, &Keep, sizeof(_cmsICCPROFILE));
- if (!cmsCloseIOhandler(PrevIO)) return 0;
+ if (!cmsCloseIOhandler(PrevIO))
+ UsedSpace = 0; // As a error marker
+
+ _cmsUnlockMutex(Icc->ContextID, Icc->UsrMutex);
return UsedSpace;
@@ -1314,13 +1374,15 @@ cmsUInt32Number CMSEXPORT cmsSaveProfileToIOhandler(cmsHPROFILE hProfile, cmsIOH
Error:
cmsCloseIOhandler(PrevIO);
memmove(Icc, &Keep, sizeof(_cmsICCPROFILE));
+ _cmsUnlockMutex(Icc->ContextID, Icc->UsrMutex);
+
return 0;
}
#ifdef _WIN32_WCE
int wceex_unlink(const char *filename);
#ifndef remove
-# define remove wceex_unlink
+# define remove wceex_unlink
#endif
#endif
@@ -1534,7 +1596,7 @@ void* CMSEXPORT cmsReadTag(cmsHPROFILE hProfile, cmsTagSignature sig)
LocalTypeHandler.ICCVersion = Icc ->Version;
Icc -> TagPtrs[n] = LocalTypeHandler.ReadPtr(&LocalTypeHandler, io, &ElemCount, TagSize);
- // The tag type is supported, but something wrong happend and we cannot read the tag.
+ // The tag type is supported, but something wrong happened and we cannot read the tag.
// let know the user about this (although it is just a warning)
if (Icc -> TagPtrs[n] == NULL) {
@@ -1827,7 +1889,7 @@ Error:
// Similar to the anterior. This function allows to write directly to the ICC profile any data, without
// checking anything. As a rule, mixing Raw with cooked doesn't work, so writting a tag as raw and then reading
-// it as cooked without serializing does result into an error. If that is wha you want, you will need to dump
+// it as cooked without serializing does result into an error. If that is what you want, you will need to dump
// the profile to memry or disk and then reopen it.
cmsBool CMSEXPORT cmsWriteRawTag(cmsHPROFILE hProfile, cmsTagSignature sig, const void* data, cmsUInt32Number Size)
{
@@ -1851,6 +1913,11 @@ cmsBool CMSEXPORT cmsWriteRawTag(cmsHPROFILE hProfile, cmsTagSignature sig, cons
Icc ->TagSizes[i] = Size;
_cmsUnlockMutex(Icc->ContextID, Icc ->UsrMutex);
+
+ if (Icc->TagPtrs[i] == NULL) {
+ Icc->TagNames[i] = (cmsTagSignature) 0;
+ return FALSE;
+ }
return TRUE;
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 14:14:11 +0000