Mercurial > hg > icedtea7-forest > jdk
changeset 9201:c9d307e51b37
8155690: Update libPNG library to the latest up-to-date
Reviewed-by: serb
line wrap: on
line diff
--- a/src/share/native/sun/awt/libpng/CHANGES Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/CHANGES Thu Aug 11 13:22:51 2016 +0300 @@ -5088,7 +5088,8 @@ Version 1.6.15beta05 [November 5, 2014] Use png_get_libpng_ver(NULL) instead of PNG_LIBPNG_VER_STRING in example.c, pngtest.c, and applications in the contrib directory. - Avoid out-of-bounds memory access in png_user_version_check(). + Fixed an out-of-range read in png_user_version_check() (Bug report from + Qixue Xiao, CVE-2015-8540). Simplified and future-proofed png_user_version_check(). Fixed GCC unsigned int->float warnings. Various versions of GCC seem to generate warnings when an unsigned value is implicitly @@ -5446,7 +5447,7 @@ Version 1.6.20beta02 [November 23, 2015] Fixed incorrect implementation of png_set_PLTE() that uses png_ptr not info_ptr, that left png_set_PLTE() open to the CVE-2015-8126 - vulnerability. + vulnerability. Fixes CVE-2015-8472. Version 1.6.20beta03 [November 24, 2015] Backported tests from libpng-1.7.0beta69. @@ -5471,6 +5472,155 @@ Version 1.6.20 [December 3, 2015] No changes. +Version 1.6.21beta01 [December 11, 2015] + Fixed syntax "$(command)" in tests/pngstest that some shells other than + bash could not parse (Bug report by Nelson Beebe). Use `command` instead. + +Version 1.6.21beta02 [December 14, 2015] + Moved png_check_keyword() from pngwutil.c to pngset.c + Removed LE/BE dependencies in pngvalid, to 'fix' the current problem + in the BigEndian tests by not testing it, making the BE code the same + as the LE version. + Fixes to pngvalid for various reduced build configurations (eliminate unused + statics) and a fix for the case in rgb_to_gray when the digitize option + reduces graylo to 0, producing a large error. + +Version 1.6.21beta03 [December 18, 2015] + Widened the 'limit' check on the internally calculated error limits in + the 'DIGITIZE' case (the code used prior to 1.7 for rgb_to_gray error + checks) and changed the check to only operate in non-release builds + (base build type not RC or RELEASE.) + Fixed undefined behavior in pngvalid.c, undefined because + (png_byte) << shift is undefined if it changes the signed bit + (because png_byte is promoted to int). The libpng exported functions + png_get_uint_32 and png_get_uint_16 handle this. (Bug reported by + David Drysdale as a result of reports from UBSAN in clang 3.8). + This changes pngvalid to use BE random numbers; this used to produce + errors but these should not be fixed as a result of the previous changes. + +Version 1.6.21rc01 [January 4, 2016] + In projects/vstudio, combined readme.txt and WARNING into README.txt + +Version 1.6.21rc02 [January 7, 2016] + Relocated assert() in contrib/tools/pngfix.c, bug found by American + Fuzzy Lop, reported by Brian Carpenter. + Marked 'limit' UNUSED in transform_range_check(). This only affects + release builds. + +Version 1.6.21 [January 15, 2016] + Worked around a false-positive Coverity issue in pngvalid.c. + +Version 1.6.22beta01 [January 23, 2016] + Changed PNG_USE_MKSTEMP to __COVERITY__ to select alternate + "tmpfile()" implementation in contrib/libtests/pngstest.c + Fixed NO_STDIO build of pngunknown.c to skip calling png_init_io() + if there is no stdio.h support. + Added a png_image_write_to_memory() API and a number of assist macros + to allow an application that uses the simplified API write to bypass + stdio and write directly to memory. + Added some warnings (png.h) and some check code to detect *possible* + overflow in the ROW_STRIDE and simplified image SIZE macros. This + disallows image width/height/format that *might* overflow. This is + a quiet API change that limits in-memory image size (uncompressed) to + less than 4GByte and image row size (stride) to less than 2GByte. + Revised workaround for false-positive Coverity issue in pngvalid.c. + +Version 1.6.22beta02 [February 8, 2016] + Only use exit(77) in configure builds. + Corrected error in PNG_IMAGE_PNG_SIZE_MAX. This new macro underreported + the palette size because it failed to take into account that the memory + palette has to be expanded to full RGB when it is written to PNG. + Updated CMakeLists.txt, added supporting scripts/gen*.cmake.in + and test.cmake.in (Roger Leigh). + Relaxed limit checks on gamma values in pngrtran.c. As suggested in + the comments gamma values outside the range currently permitted + by png_set_alpha_mode are useful for HDR data encoding. These values + are already permitted by png_set_gamma so it is reasonable caution to + extend the png_set_alpha_mode range as HDR imaging systems are starting + to emerge. + +Version 1.6.22beta03 [March 9, 2016] + Added a common-law trademark notice and export control information + to the LICENSE file, png.h, and the man page. + Restored "& 0xff" in png_save_uint_16() and png_save_uint_32() that + were accidentally removed from libpng-1.6.17. + Changed PNG_INFO_cHNK and PNG_FREE_cHNK from 0xnnnn to 0xnnnnU in png.h + (Robert C. Seacord). + Removed dubious "#if INT_MAX" test from png.h that was added to + libpng-1.6.19beta02 (John Bowler). + Add ${INCLUDES} in scripts/genout.cmake.in (Bug report by Nixon Kwok). + Updated LICENSE to say files in the contrib directory are not + necessarily under the libpng license, and that some makefiles have + other copyright owners. + Added INTEL-SSE2 support (Mike Klein and Matt Sarett, Google, Inc.). + Made contrib/libtests/timepng more robust. The code no longer gives + up/fails on invalid PNG data, it just skips it (with error messages). + The code no longer fails on PNG files with data beyond IEND. Options + exist to use png_read_png (reading the whole image, not by row) and, in + that case, to apply any of the supported transforms. This makes for + more realistic testing; the decoded data actually gets used in a + meaningful fashion (John Bowler). + Fixed some misleading indentation (Krishnaraj Bhat). + +Version 1.6.22beta04 [April 5, 2016] + Force GCC compilation to C89 if needed (Dagobert Michelsen). + SSE filter speed improvements for bpp=3: + memcpy-free implementations of load3() / store3(). + call load3() only when needed at the end of a scanline. + +Version 1.6.22beta05 [April 27, 2016] + Added PNG_FAST_FILTERS macro (defined as + PNG_FILTER_NONE|PNG_FILTER_SUB|PNG_FILTER_UP). + Various fixes for contrib/libtests/timepng.c + Moved INTEL-SSE code from pngpriv.h into contrib/intel/intel_sse.patch. + Fixed typo (missing underscore) in #define PNG_READ_16_TO_8_SUPPORTED + (Bug report by Y.Ohashik). + +Version 1.6.22beta06 [May 5, 2016] + Rebased contrib/intel_sse.patch. + Quieted two Coverity issues in contrib/libtests/timepng.c. + Fixed issues with scripts/genout.cmake.in (David Capello, Nixon Kwok): + Added support to use multiple directories in ZLIBINCDIR variable, + Fixed CMAKE_C_FLAGS with multiple values when genout is compiled on MSVC, + Fixed pnglibconf.c compilation on OS X including the sysroot path. + +Version 1.6.22rc01 [May 14, 2016] + No changes. + +Version 1.6.22rc02 [May 16, 2016] + Removed contrib/timepng from default build; it does not build on platforms + that don't supply clock_gettime(). + +Version 1.6.22rc03 [May 17, 2016] + Restored contrib/timepng to default build but check for the presence + of clock_gettime() in configure.ac and Makefile.am. + +Version 1.6.22 [May 26, 2016] + No changes. + +Version 1.6.23beta01 [May 29, 2016] + Stop a potential memory leak in png_set_tRNS() (Bug report by Ted Ying). + Fixed the progressive reader to handle empty first IDAT chunk properly + (patch by Timothy Nikkel). This bug was introduced in libpng-1.6.0 and + only affected the libpng16 branch. + Added tests in pngvalid.c to check zero-length IDAT chunks in various + positions. Fixed the sequential reader to handle these more robustly + (John Bowler). + +Version 1.6.23rc01 [June 2, 2016] + Corrected progressive read input buffer in pngvalid.c. The previous version + the code invariably passed just one byte at a time to libpng. The intent + was to pass a random number of bytes in the range 0..511. + Moved sse2 prototype from pngpriv.h to contrib/intel/intel_sse.patch. + Added missing ")" in pngerror.c (Matt Sarrett). + +Version 1.6.23rc02 [June 4, 2016] + Fixed undefined behavior in png_push_save_buffer(). Do not call + memcpy() with a null source, even if count is zero (Leon Scroggins III). + +Version 1.6.23 [June 9, 2016] + Fixed bad link to RFC2083 in png.5 (Nikola Forro). + Send comments/corrections/commendations to png-mng-implement at lists.sf.net (subscription required; visit https://lists.sourceforge.net/lists/listinfo/png-mng-implement
--- a/src/share/native/sun/awt/libpng/LICENSE Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/LICENSE Thu Aug 11 13:22:51 2016 +0300 @@ -10,8 +10,8 @@ This code is released under the libpng license. -libpng versions 1.0.7, July 1, 2000, through 1.6.20, December 3, 2015, are -Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, are +libpng versions 1.0.7, July 1, 2000 through 1.6.23, June 9, 2016 are +Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are derived from libpng-1.0.6, and are distributed according to the same disclaimer and license as libpng-1.0.6 with the following individuals added to the list of Contributing Authors: @@ -32,6 +32,10 @@ risk of satisfactory quality, performance, accuracy, and effort is with the user. +Some files in the "contrib" directory and some configure-generated +files that are distributed with libpng have other copyright owners and +are released under other open source licenses. + libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from libpng-0.96, and are distributed according to the same disclaimer and @@ -55,6 +59,9 @@ Greg Roelofs Tom Tanner +Some files in the "scripts" directory have other copyright owners +but are released under this license. + libpng versions 0.5, May 1995, through 0.88, January 1996, are Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. @@ -95,18 +102,29 @@ END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. -A "png_get_copyright" function is available, for convenient use in "about" -boxes and the like: +TRADEMARK: - printf("%s", png_get_copyright(NULL)); +The name "libpng" has not been registered by the Copyright owner +as a trademark in any jurisdiction. However, because libpng has +been distributed and maintained world-wide, continually since 1995, +the Copyright owner claims "common-law trademark protection" in any +jurisdiction where common-law trademark is recognized. -Also, the PNG logo (in PNG format, of course) is supplied in the -files "pngbar.png" and "pngbar.jpg (88x31) and "pngnow.png" (98x31). +OSI CERTIFICATION: Libpng is OSI Certified Open Source Software. OSI Certified Open Source is a certification mark of the Open Source Initiative. OSI has not addressed the additional disclaimers inserted at version 1.0.7. +EXPORT CONTROL: + +The Copyright owner believes that the Export Control Classification +Number (ECCN) for libpng is EAR99, which means not subject to export +controls or International Traffic in Arms Regulations (ITAR) because +it is open source, publicly available software, that does not contain +any encryption software. See the EAR, paragraphs 734.3(b)(3) and +734.7(b). + Glenn Randers-Pehrson glennrp at users.sourceforge.net -December 3, 2015 +June 9, 2016
--- a/src/share/native/sun/awt/libpng/README Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/README Thu Aug 11 13:22:51 2016 +0300 @@ -1,4 +1,4 @@ -README for libpng version 1.6.20 - December 3, 2015 (shared library 16.0) +README for libpng version 1.6.23 - June 9, 2016 (shared library 16.0) See the note about version numbers near the top of png.h See INSTALL for instructions on how to install libpng.
--- a/src/share/native/sun/awt/libpng/png.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/png.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.19 [November 12, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -42,7 +42,7 @@ #include "pngpriv.h" /* Generate a compiler error if there is an old png.h in the search path. */ -typedef png_libpng_version_1_6_20 Your_png_h_is_not_version_1_6_20; +typedef png_libpng_version_1_6_23 Your_png_h_is_not_version_1_6_23; /* Tells libpng that we have already handled the first "num_bytes" bytes * of the PNG file signature. If the PNG data is embedded into another @@ -803,14 +803,15 @@ #else # ifdef __STDC__ return PNG_STRING_NEWLINE \ - "libpng version 1.6.20 - December 3, 2015" PNG_STRING_NEWLINE \ - "Copyright (c) 1998-2015 Glenn Randers-Pehrson" PNG_STRING_NEWLINE \ + "libpng version 1.6.23 - June 9, 2016" PNG_STRING_NEWLINE \ + "Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson" \ + PNG_STRING_NEWLINE \ "Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \ "Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \ PNG_STRING_NEWLINE; # else - return "libpng version 1.6.20 - December 3, 2015\ - Copyright (c) 1998-2015 Glenn Randers-Pehrson\ + return "libpng version 1.6.23 - June 9, 2016\ + Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\ Copyright (c) 1996-1997 Andreas Dilger\ Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc."; # endif
--- a/src/share/native/sun/awt/libpng/png.h Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/png.h Thu Aug 11 13:22:51 2016 +0300 @@ -29,9 +29,9 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * libpng version 1.6.20, December 3, 2015 + * libpng version 1.6.23, June 9, 2016 * - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -40,7 +40,7 @@ * Authors and maintainers: * libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat * libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger - * libpng versions 0.97, January 1998, through 1.6.20, December 3, 2015: + * libpng versions 0.97, January 1998, through 1.6.23, June 9, 2016: * Glenn Randers-Pehrson. * See also "Contributing Authors", below. */ @@ -53,8 +53,12 @@ * * This code is released under the libpng license. * - * libpng versions 1.0.7, July 1, 2000, through 1.6.20, December 3, 2015, are - * Copyright (c) 2000-2002, 2004, 2006-2015 Glenn Randers-Pehrson, are + * Some files in the "contrib" directory and some configure-generated + * files that are distributed with libpng have other copyright owners and + * are released under other open source licenses. + * + * libpng versions 1.0.7, July 1, 2000 through 1.6.23, June 9, 2016 are + * Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are * derived from libpng-1.0.6, and are distributed according to the same * disclaimer and license as libpng-1.0.6 with the following individuals * added to the list of Contributing Authors: @@ -75,6 +79,10 @@ * risk of satisfactory quality, performance, accuracy, and effort is with * the user. * + * Some files in the "contrib" directory have other copyright owners and + * are released under other open source licenses. + * + * * libpng versions 0.97, January 1998, through 1.0.6, March 20, 2000, are * Copyright (c) 1998-2000 Glenn Randers-Pehrson, are derived from * libpng-0.96, and are distributed according to the same disclaimer and @@ -85,6 +93,9 @@ * Glenn Randers-Pehrson * Willem van Schaik * + * Some files in the "scripts" directory have different copyright owners + * but are also released under this license. + * * libpng versions 0.89, June 1996, through 0.96, May 1997, are * Copyright (c) 1996-1997 Andreas Dilger, are derived from libpng-0.88, * and are distributed according to the same disclaimer and license as @@ -98,6 +109,9 @@ * Greg Roelofs * Tom Tanner * + * Some files in the "scripts" directory have other copyright owners + * but are released under this license. + * * libpng versions 0.5, May 1995, through 0.88, January 1996, are * Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc. * @@ -137,6 +151,29 @@ * appreciated. * * END OF COPYRIGHT NOTICE, DISCLAIMER, and LICENSE. + * + * TRADEMARK: + * + * The name "libpng" has not been registered by the Copyright owner + * as a trademark in any jurisdiction. However, because libpng has + * been distributed and maintained world-wide, continually since 1995, + * the Copyright owner claims "common-law trademark protection" in any + * jurisdiction where common-law trademark is recognized. + * + * OSI CERTIFICATION: + * + * Libpng is OSI Certified Open Source Software. OSI Certified Open Source is + * a certification mark of the Open Source Initiative. OSI has not addressed + * the additional disclaimers inserted at version 1.0.7. + * + * EXPORT CONTROL: + * + * The Copyright owner believes that the Export Control Classification + * Number (ECCN) for libpng is EAR99, which means not subject to export + * controls or International Traffic in Arms Regulations (ITAR) because + * it is open source, publicly available software, that does not contain + * any encryption software. See the EAR, paragraphs 734.3(b)(3) and + * 734.7(b). */ /* @@ -150,12 +187,6 @@ */ /* - * Libpng is OSI Certified Open Source Software. OSI Certified Open Source is - * a certification mark of the Open Source Initiative. OSI has not addressed - * the additional disclaimers inserted at version 1.0.7. - */ - -/* * The contributing authors would like to thank all those who helped * with testing, bug fixes, and patience. This wouldn't have been * possible without all of you. @@ -210,11 +241,11 @@ * ... * 1.0.19 10 10019 10.so.0.19[.0] * ... - * 1.2.53 13 10253 12.so.0.53[.0] + * 1.2.56 13 10256 12.so.0.56[.0] * ... - * 1.5.23 15 10523 15.so.15.23[.0] + * 1.5.27 15 10527 15.so.15.27[.0] * ... - * 1.6.20 16 10620 16.so.16.20[.0] + * 1.6.23 16 10623 16.so.16.23[.0] * * Henceforth the source version will match the shared-library major * and minor numbers; the shared-library major version number will be @@ -242,13 +273,13 @@ * Y2K compliance in libpng: * ========================= * - * December 3, 2015 + * June 9, 2016 * * Since the PNG Development group is an ad-hoc body, we can't make * an official declaration. * * This is your unofficial assurance that libpng from version 0.71 and - * upward through 1.6.20 are Y2K compliant. It is my belief that + * upward through 1.6.23 are Y2K compliant. It is my belief that * earlier versions were also Y2K compliant. * * Libpng only has two year fields. One is a 2-byte unsigned integer @@ -310,9 +341,9 @@ */ /* Version information for png.h - this should match the version in png.c */ -#define PNG_LIBPNG_VER_STRING "1.6.20" +#define PNG_LIBPNG_VER_STRING "1.6.23" #define PNG_HEADER_VERSION_STRING \ - " libpng version 1.6.20 - December 3, 2015\n" + " libpng version 1.6.23 - June 9, 2016\n" #define PNG_LIBPNG_VER_SONUM 16 #define PNG_LIBPNG_VER_DLLNUM 16 @@ -320,7 +351,7 @@ /* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */ #define PNG_LIBPNG_VER_MAJOR 1 #define PNG_LIBPNG_VER_MINOR 6 -#define PNG_LIBPNG_VER_RELEASE 20 +#define PNG_LIBPNG_VER_RELEASE 23 /* This should match the numeric part of the final component of * PNG_LIBPNG_VER_STRING, omitting any leading zero: @@ -351,7 +382,7 @@ * version 1.0.0 was mis-numbered 100 instead of 10000). From * version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release */ -#define PNG_LIBPNG_VER 10620 /* 1.6.20 */ +#define PNG_LIBPNG_VER 10623 /* 1.6.23 */ /* Library configuration: these options cannot be changed after * the library has been built. @@ -461,7 +492,7 @@ /* This triggers a compiler error in png.c, if png.c and png.h * do not agree upon the version number. */ -typedef char* png_libpng_version_1_6_20; +typedef char* png_libpng_version_1_6_23; /* Basic control structions. Read libpng-manual.txt or libpng.3 for more info. * @@ -762,24 +793,22 @@ * data in the info_struct to be written into the output file. The values * of the PNG_INFO_<chunk> defines should NOT be changed. */ -#define PNG_INFO_gAMA 0x0001 -#define PNG_INFO_sBIT 0x0002 -#define PNG_INFO_cHRM 0x0004 -#define PNG_INFO_PLTE 0x0008 -#define PNG_INFO_tRNS 0x0010 -#define PNG_INFO_bKGD 0x0020 -#define PNG_INFO_hIST 0x0040 -#define PNG_INFO_pHYs 0x0080 -#define PNG_INFO_oFFs 0x0100 -#define PNG_INFO_tIME 0x0200 -#define PNG_INFO_pCAL 0x0400 -#define PNG_INFO_sRGB 0x0800 /* GR-P, 0.96a */ -#define PNG_INFO_iCCP 0x1000 /* ESR, 1.0.6 */ -#define PNG_INFO_sPLT 0x2000 /* ESR, 1.0.6 */ -#define PNG_INFO_sCAL 0x4000 /* ESR, 1.0.6 */ -#if INT_MAX >= 0x8000 /* else this might break */ -#define PNG_INFO_IDAT 0x8000 /* ESR, 1.0.6 */ -#endif +#define PNG_INFO_gAMA 0x0001U +#define PNG_INFO_sBIT 0x0002U +#define PNG_INFO_cHRM 0x0004U +#define PNG_INFO_PLTE 0x0008U +#define PNG_INFO_tRNS 0x0010U +#define PNG_INFO_bKGD 0x0020U +#define PNG_INFO_hIST 0x0040U +#define PNG_INFO_pHYs 0x0080U +#define PNG_INFO_oFFs 0x0100U +#define PNG_INFO_tIME 0x0200U +#define PNG_INFO_pCAL 0x0400U +#define PNG_INFO_sRGB 0x0800U /* GR-P, 0.96a */ +#define PNG_INFO_iCCP 0x1000U /* ESR, 1.0.6 */ +#define PNG_INFO_sPLT 0x2000U /* ESR, 1.0.6 */ +#define PNG_INFO_sCAL 0x4000U /* ESR, 1.0.6 */ +#define PNG_INFO_IDAT 0x8000U /* ESR, 1.0.6 */ /* This is used for the transformation routines, as some of them * change these values for the row. It also should enable using @@ -1350,7 +1379,7 @@ #endif #ifdef PNG_READ_STRIP_16_TO_8_SUPPORTED -#define PNG_READ_16_TO_8 SUPPORTED /* Name prior to 1.5.4 */ +#define PNG_READ_16_TO_8_SUPPORTED /* Name prior to 1.5.4 */ /* Strip the second byte of information from a 16-bit depth file. */ PNG_EXPORT(48, void, png_set_strip_16, (png_structrp png_ptr)); #endif @@ -1501,8 +1530,8 @@ #define PNG_FILTER_UP 0x20 #define PNG_FILTER_AVG 0x40 #define PNG_FILTER_PAETH 0x80 -#define PNG_ALL_FILTERS (PNG_FILTER_NONE | PNG_FILTER_SUB | PNG_FILTER_UP | \ - PNG_FILTER_AVG | PNG_FILTER_PAETH) +#define PNG_FAST_FILTERS (PNG_FILTER_NONE | PNG_FILTER_SUB | PNG_FILTER_UP) +#define PNG_ALL_FILTERS (PNG_FAST_FILTERS | PNG_FILTER_AVG | PNG_FILTER_PAETH) /* Filter values (not flags) - used in pngwrite.c, pngwutil.c for now. * These defines should NOT be changed. @@ -1779,21 +1808,21 @@ #define PNG_SET_WILL_FREE_DATA 1 #define PNG_USER_WILL_FREE_DATA 2 /* Flags for png_ptr->free_me and info_ptr->free_me */ -#define PNG_FREE_HIST 0x0008 -#define PNG_FREE_ICCP 0x0010 -#define PNG_FREE_SPLT 0x0020 -#define PNG_FREE_ROWS 0x0040 -#define PNG_FREE_PCAL 0x0080 -#define PNG_FREE_SCAL 0x0100 +#define PNG_FREE_HIST 0x0008U +#define PNG_FREE_ICCP 0x0010U +#define PNG_FREE_SPLT 0x0020U +#define PNG_FREE_ROWS 0x0040U +#define PNG_FREE_PCAL 0x0080U +#define PNG_FREE_SCAL 0x0100U #ifdef PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED -# define PNG_FREE_UNKN 0x0200 +# define PNG_FREE_UNKN 0x0200U #endif -/* PNG_FREE_LIST 0x0400 removed in 1.6.0 because it is ignored */ -#define PNG_FREE_PLTE 0x1000 -#define PNG_FREE_TRNS 0x2000 -#define PNG_FREE_TEXT 0x4000 -#define PNG_FREE_ALL 0x7fff -#define PNG_FREE_MUL 0x4220 /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */ +/* PNG_FREE_LIST 0x0400U removed in 1.6.0 because it is ignored */ +#define PNG_FREE_PLTE 0x1000U +#define PNG_FREE_TRNS 0x2000U +#define PNG_FREE_TEXT 0x4000U +#define PNG_FREE_ALL 0x7fffU +#define PNG_FREE_MUL 0x4220U /* PNG_FREE_SPLT|PNG_FREE_TEXT|PNG_FREE_UNKN */ #ifdef PNG_USER_MEM_SUPPORTED PNG_EXPORTA(100, png_voidp, png_malloc_default, (png_const_structrp png_ptr, @@ -2917,12 +2946,19 @@ * is the minimum 'row stride', the minimum count of components between each * row. For a color-mapped image this is the minimum number of bytes in a * row. + * + * WARNING: this macro overflows for some images with more than one component + * and very large image widths. libpng will refuse to process an image where + * this macro would overflow. */ #define PNG_IMAGE_BUFFER_SIZE(image, row_stride)\ (PNG_IMAGE_PIXEL_COMPONENT_SIZE((image).format)*(image).height*(row_stride)) /* Return the size, in bytes, of an image buffer given a png_image and a row * stride - the number of components to leave space for in each row. + * + * WARNING: this macro overflows a 32-bit integer for some large PNG images, + * libpng will refuse to process an image where such an overflow would occur. */ #define PNG_IMAGE_SIZE(image)\ @@ -3043,7 +3079,6 @@ #endif /* SIMPLIFIED_READ */ #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED -#ifdef PNG_STDIO_SUPPORTED /* WRITE APIS * ---------- * For write you must initialize a png_image structure to describe the image to @@ -3060,6 +3095,7 @@ * values do not correspond to the colors in sRGB. * colormap_entries: set to the number of entries in the color-map (0 to 256) */ +#ifdef PNG_SIMPLIFIED_WRITE_STDIO_SUPPORTED PNG_EXPORT(239, int, png_image_write_to_file, (png_imagep image, const char *file, int convert_to_8bit, const void *buffer, png_int_32 row_stride, const void *colormap)); @@ -3069,8 +3105,9 @@ int convert_to_8_bit, const void *buffer, png_int_32 row_stride, const void *colormap)); /* Write the image to the given (FILE*). */ - -/* With both write APIs if image is in one of the linear formats with 16-bit +#endif /* SIMPLIFIED_WRITE_STDIO */ + +/* With all write APIs if image is in one of the linear formats with 16-bit * data then setting convert_to_8_bit will cause the output to be an 8-bit PNG * gamma encoded according to the sRGB specification, otherwise a 16-bit linear * encoded PNG file is written. @@ -3082,13 +3119,103 @@ * * With all APIs row_stride is handled as in the read APIs - it is the spacing * from one row to the next in component sized units (1 or 2 bytes) and if - * negative indicates a bottom-up row layout in the buffer. If row_stride is zero, - * libpng will calculate it for you from the image width and number of channels. + * negative indicates a bottom-up row layout in the buffer. If row_stride is + * zero, libpng will calculate it for you from the image width and number of + * channels. * - * Note that the write API does not support interlacing, sub-8-bit pixels, indexed - * PNG (color_type 3) or most ancillary chunks. + * Note that the write API does not support interlacing, sub-8-bit pixels or + * most ancillary chunks. If you need to write text chunks (e.g. for copyright + * notices) you need to use one of the other APIs. */ -#endif /* STDIO */ + +PNG_EXPORT(245, int, png_image_write_to_memory, (png_imagep image, void *memory, + png_alloc_size_t * PNG_RESTRICT memory_bytes, int convert_to_8_bit, + const void *buffer, png_int_32 row_stride, const void *colormap)); + /* Write the image to the given memory buffer. The function both writes the + * whole PNG data stream to *memory and updates *memory_bytes with the count + * of bytes written. + * + * 'memory' may be NULL. In this case *memory_bytes is not read however on + * success the number of bytes which would have been written will still be + * stored in *memory_bytes. On failure *memory_bytes will contain 0. + * + * If 'memory' is not NULL it must point to memory[*memory_bytes] of + * writeable memory. + * + * If the function returns success memory[*memory_bytes] (if 'memory' is not + * NULL) contains the written PNG data. *memory_bytes will always be less + * than or equal to the original value. + * + * If the function returns false and *memory_bytes was not changed an error + * occured during write. If *memory_bytes was changed, or is not 0 if + * 'memory' was NULL, the write would have succeeded but for the memory + * buffer being too small. *memory_bytes contains the required number of + * bytes and will be bigger that the original value. + */ + +#define png_image_write_get_memory_size(image, size, convert_to_8_bit, buffer,\ + row_stride, colormap)\ + png_image_write_to_memory(&(image), 0, &(size), convert_to_8_bit, buffer,\ + row_stride, colormap) + /* Return the amount of memory in 'size' required to compress this image. + * The png_image structure 'image' must be filled in as in the above + * function and must not be changed before the actual write call, the buffer + * and all other parameters must also be identical to that in the final + * write call. The 'size' variable need not be initialized. + * + * NOTE: the macro returns true/false, if false is returned 'size' will be + * set to zero and the write failed and probably will fail if tried again. + */ + +/* You can pre-allocate the buffer by making sure it is of sufficient size + * regardless of the amount of compression achieved. The buffer size will + * always be bigger than the original image and it will never be filled. The + * following macros are provided to assist in allocating the buffer. + */ +#define PNG_IMAGE_DATA_SIZE(image) (PNG_IMAGE_SIZE(image)+(image).height) + /* The number of uncompressed bytes in the PNG byte encoding of the image; + * uncompressing the PNG IDAT data will give this number of bytes. + * + * NOTE: while PNG_IMAGE_SIZE cannot overflow for an image in memory this + * macro can because of the extra bytes used in the PNG byte encoding. You + * need to avoid this macro if your image size approaches 2^30 in width or + * height. The same goes for the remainder of these macros; they all produce + * bigger numbers than the actual in-memory image size. + */ +#ifndef PNG_ZLIB_MAX_SIZE +# define PNG_ZLIB_MAX_SIZE(b) ((b)+(((b)+7U)>>3)+(((b)+63U)>>6)+11U) + /* An upper bound on the number of compressed bytes given 'b' uncompressed + * bytes. This is based on deflateBounds() in zlib; different + * implementations of zlib compression may conceivably produce more data so + * if your zlib implementation is not zlib itself redefine this macro + * appropriately. + */ +#endif + +#define PNG_IMAGE_COMPRESSED_SIZE_MAX(image)\ + PNG_ZLIB_MAX_SIZE((png_alloc_size_t)PNG_IMAGE_DATA_SIZE(image)) + /* An upper bound on the size of the data in the PNG IDAT chunks. */ + +#define PNG_IMAGE_PNG_SIZE_MAX_(image, image_size)\ + ((8U/*sig*/+25U/*IHDR*/+16U/*gAMA*/+44U/*cHRM*/+12U/*IEND*/+\ + (((image).format&PNG_FORMAT_FLAG_COLORMAP)?/*colormap: PLTE, tRNS*/\ + 12U+3U*(image).colormap_entries/*PLTE data*/+\ + (((image).format&PNG_FORMAT_FLAG_ALPHA)?\ + 12U/*tRNS*/+(image).colormap_entries:0U):0U)+\ + 12U)+(12U*((image_size)/PNG_ZBUF_SIZE))/*IDAT*/+(image_size)) + /* A helper for the following macro; if your compiler cannot handle the + * following macro use this one with the result of + * PNG_IMAGE_COMPRESSED_SIZE_MAX(image) as the second argument (most + * compilers should handle this just fine.) + */ + +#define PNG_IMAGE_PNG_SIZE_MAX(image)\ + PNG_IMAGE_PNG_SIZE_MAX_(image, PNG_IMAGE_COMPRESSED_SIZE_MAX(image)) + /* An upper bound on the total length of the PNG data stream for 'image'. + * The result is of type png_alloc_size_t, on 32-bit systems this may + * overflow even though PNG_IMAGE_DATA_SIZE does not overflow; the write will + * run out of buffer space but return a corrected size which should work. + */ #endif /* SIMPLIFIED_WRITE */ /******************************************************************************* * END OF SIMPLIFIED API @@ -3146,7 +3273,7 @@ * one to use is one more than this.) */ #ifdef PNG_EXPORT_LAST_ORDINAL - PNG_EXPORT_LAST_ORDINAL(244); + PNG_EXPORT_LAST_ORDINAL(245); #endif #ifdef __cplusplus
--- a/src/share/native/sun/awt/libpng/pngconf.h Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngconf.h Thu Aug 11 13:22:51 2016 +0300 @@ -29,9 +29,9 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * libpng version 1.6.20, December 3, 2015 + * libpng version 1.6.23, June 9, 2016 * - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngdebug.h Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngdebug.h Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.8 [December 19, 2013] - * Copyright (c) 1998-2013 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2013 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngerror.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngerror.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.15 [November 20, 2014] - * Copyright (c) 1998-2014 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2014 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -72,7 +72,7 @@ if (png_ptr != NULL) { if ((png_ptr->flags & - (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) != 0 + (PNG_FLAG_STRIP_ERROR_NUMBERS|PNG_FLAG_STRIP_ERROR_TEXT)) != 0) { if (*error_message == PNG_LITERAL_SHARP) {
--- a/src/share/native/sun/awt/libpng/pngget.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngget.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.17 [March 26, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -484,11 +484,11 @@ return (retval); } #endif /* pHYs */ -#endif /* INCH_CONVERSIONS */ +#endif /* INCH_CONVERSIONS */ /* png_get_channels really belongs in here, too, but it's been around longer */ -#endif /* EASY_ACCESS */ +#endif /* EASY_ACCESS */ png_byte PNGAPI @@ -1170,19 +1170,19 @@ return 0; #ifdef PNG_WRITE_SUPPORTED - if ((png_ptr->mode & PNG_IS_READ_STRUCT) != 0) + if ((png_ptr->mode & PNG_IS_READ_STRUCT) != 0) #endif { #ifdef PNG_SEQUENTIAL_READ_SUPPORTED - return png_ptr->IDAT_read_size; + return png_ptr->IDAT_read_size; #else - return PNG_IDAT_READ_SIZE; + return PNG_IDAT_READ_SIZE; #endif } #ifdef PNG_WRITE_SUPPORTED - else - return png_ptr->zbuffer_size; + else + return png_ptr->zbuffer_size; #endif }
--- a/src/share/native/sun/awt/libpng/pnginfo.h Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pnginfo.h Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.1 [March 28, 2013] - * Copyright (c) 1998-2013 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2013 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pnglibconf.h Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pnglibconf.h Thu Aug 11 13:22:51 2016 +0300 @@ -27,16 +27,15 @@ /* libpng STANDARD API DEFINITION */ /* pnglibconf.h - library build configuration */ - /* This file is available under and governed by the GNU General Public * License version 2 only, as published by the Free Software Foundation. * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: */ -/* libpng version 1.6.20, December 3, 2015 */ +/* libpng version 1.6.23, June 9, 2016 */ -/* Copyright (c) 1998-2014 Glenn Randers-Pehrson */ +/* Copyright (c) 1998-2016 Glenn Randers-Pehrson */ /* This code is released under the libpng license. */ /* For conditions of distribution and use, see the disclaimer */ @@ -141,6 +140,7 @@ #define PNG_SIMPLIFIED_READ_SUPPORTED /*#undef PNG_SIMPLIFIED_WRITE_AFIRST_SUPPORTED*/ /*#undef PNG_SIMPLIFIED_WRITE_BGR_SUPPORTED*/ +/*#undef PNG_SIMPLIFIED_WRITE_STDIO_SUPPORTED*/ /*#undef PNG_SIMPLIFIED_WRITE_SUPPORTED*/ #define PNG_STDIO_SUPPORTED #define PNG_STORE_UNKNOWN_CHUNKS_SUPPORTED
--- a/src/share/native/sun/awt/libpng/pngmem.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngmem.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.15 [November 20, 2014] - * Copyright (c) 1998-2014 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2014 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngpread.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngpread.c Thu Aug 11 13:22:51 2016 +0300 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.18 [July 23, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Last changed in libpng 1.6.23 [June 9, 2016] + * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -238,12 +238,14 @@ (png_ptr->mode & PNG_HAVE_PLTE) == 0) png_error(png_ptr, "Missing PLTE before IDAT"); - png_ptr->mode |= PNG_HAVE_IDAT; png_ptr->process_mode = PNG_READ_IDAT_MODE; - if ((png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT) == 0) - if (png_ptr->push_length == 0) - return; + if ((png_ptr->mode & PNG_HAVE_IDAT) != 0) + if ((png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT) == 0) + if (png_ptr->push_length == 0) + return; + + png_ptr->mode |= PNG_HAVE_IDAT; if ((png_ptr->mode & PNG_AFTER_IDAT) != 0) png_benign_error(png_ptr, "Too many IDATs found"); @@ -527,7 +529,10 @@ png_error(png_ptr, "Insufficient memory for save_buffer"); } - memcpy(png_ptr->save_buffer, old_buffer, png_ptr->save_buffer_size); + if (old_buffer) + memcpy(png_ptr->save_buffer, old_buffer, png_ptr->save_buffer_size); + else if (png_ptr->save_buffer_size) + png_error(png_ptr, "save_buffer error"); png_free(png_ptr, old_buffer); png_ptr->save_buffer_max = new_max; }
--- a/src/share/native/sun/awt/libpng/pngpriv.h Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngpriv.h Thu Aug 11 13:22:51 2016 +0300 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.18 [July 23, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Last changed in libpng 1.6.22 [May 26, 2016] + * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -1945,6 +1945,9 @@ (png_structp png_ptr, unsigned int bpp), PNG_EMPTY); #endif +PNG_INTERNAL_FUNCTION(png_uint_32, png_check_keyword, (png_structrp png_ptr, + png_const_charp key, png_bytep new_key), PNG_EMPTY); + /* Maintainer: Put new private prototypes here ^ */ #include "pngdebug.h"
--- a/src/share/native/sun/awt/libpng/pngread.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngread.c Thu Aug 11 13:22:51 2016 +0300 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.17 [March 26, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Last changed in libpng 1.6.23 [June 9, 2016] + * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -155,7 +155,10 @@ } else if ((png_ptr->mode & PNG_HAVE_IDAT) != 0) + { + png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT; png_ptr->mode |= PNG_AFTER_IDAT; + } /* This should be a binary subdivision search or a hash for * matching the chunk name rather than a linear search. @@ -813,6 +816,9 @@ png_uint_32 length = png_read_chunk_header(png_ptr); png_uint_32 chunk_name = png_ptr->chunk_name; + if (chunk_name != png_IDAT) + png_ptr->mode |= PNG_HAVE_CHUNK_AFTER_IDAT; + if (chunk_name == png_IEND) png_handle_IEND(png_ptr, info_ptr, length); @@ -827,9 +833,9 @@ { if (chunk_name == png_IDAT) { - if ((length > 0) || - (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT) != 0) - png_benign_error(png_ptr, "Too many IDATs found"); + if ((length > 0 && !(png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED)) + || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT) != 0) + png_benign_error(png_ptr, ".Too many IDATs found"); } png_handle_unknown(png_ptr, info_ptr, length, keep); if (chunk_name == png_PLTE) @@ -840,10 +846,14 @@ else if (chunk_name == png_IDAT) { /* Zero length IDATs are legal after the last IDAT has been - * read, but not after other chunks have been read. + * read, but not after other chunks have been read. 1.6 does not + * always read all the deflate data; specifically it cannot be relied + * upon to read the Adler32 at the end. If it doesn't ignore IDAT + * chunks which are longer than zero as well: */ - if ((length > 0) || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT) != 0) - png_benign_error(png_ptr, "Too many IDATs found"); + if ((length > 0 && !(png_ptr->flags & PNG_FLAG_ZSTREAM_ENDED)) + || (png_ptr->mode & PNG_HAVE_CHUNK_AFTER_IDAT) != 0) + png_benign_error(png_ptr, "..Too many IDATs found"); png_crc_finish(png_ptr, length); } @@ -3876,16 +3886,16 @@ else filler = 255; -# ifdef PNG_FORMAT_AFIRST_SUPPORTED - if ((format & PNG_FORMAT_FLAG_AFIRST) != 0) - { - where = PNG_FILLER_BEFORE; - change &= ~PNG_FORMAT_FLAG_AFIRST; - } - - else -# endif - where = PNG_FILLER_AFTER; +#ifdef PNG_FORMAT_AFIRST_SUPPORTED + if ((format & PNG_FORMAT_FLAG_AFIRST) != 0) + { + where = PNG_FILLER_BEFORE; + change &= ~PNG_FORMAT_FLAG_AFIRST; + } + + else +#endif + where = PNG_FILLER_AFTER; png_set_add_alpha(png_ptr, filler, where); } @@ -3993,12 +4003,12 @@ if (info_ptr->bit_depth == 16) info_format |= PNG_FORMAT_FLAG_LINEAR; -# ifdef PNG_FORMAT_BGR_SUPPORTED - if ((png_ptr->transformations & PNG_BGR) != 0) - info_format |= PNG_FORMAT_FLAG_BGR; -# endif - -# ifdef PNG_FORMAT_AFIRST_SUPPORTED +#ifdef PNG_FORMAT_BGR_SUPPORTED + if ((png_ptr->transformations & PNG_BGR) != 0) + info_format |= PNG_FORMAT_FLAG_BGR; +#endif + +#ifdef PNG_FORMAT_AFIRST_SUPPORTED if (do_local_background == 2) { if ((format & PNG_FORMAT_FLAG_AFIRST) != 0) @@ -4099,58 +4109,84 @@ { if (image != NULL && image->version == PNG_IMAGE_VERSION) { - png_uint_32 check; - - if (row_stride == 0) - row_stride = PNG_IMAGE_ROW_STRIDE(*image); - - if (row_stride < 0) - check = -row_stride; - - else - check = row_stride; - - if (image->opaque != NULL && buffer != NULL && - check >= PNG_IMAGE_ROW_STRIDE(*image)) + /* Check for row_stride overflow. This check is not performed on the + * original PNG format because it may not occur in the output PNG format + * and libpng deals with the issues of reading the original. + */ + const unsigned int channels = PNG_IMAGE_PIXEL_CHANNELS(image->format); + + if (image->width <= 0x7FFFFFFFU/channels) /* no overflow */ { - if ((image->format & PNG_FORMAT_FLAG_COLORMAP) == 0 || - (image->colormap_entries > 0 && colormap != NULL)) + png_uint_32 check; + const png_uint_32 png_row_stride = image->width * channels; + + if (row_stride == 0) + row_stride = (png_int_32)/*SAFE*/png_row_stride; + + if (row_stride < 0) + check = -row_stride; + + else + check = row_stride; + + if (image->opaque != NULL && buffer != NULL && check >= png_row_stride) { - int result; - png_image_read_control display; - - memset(&display, 0, (sizeof display)); - display.image = image; - display.buffer = buffer; - display.row_stride = row_stride; - display.colormap = colormap; - display.background = background; - display.local_row = NULL; - - /* Choose the correct 'end' routine; for the color-map case all the - * setup has already been done. + /* Now check for overflow of the image buffer calculation; this + * limits the whole image size to 32 bits for API compatibility with + * the current, 32-bit, PNG_IMAGE_BUFFER_SIZE macro. */ - if ((image->format & PNG_FORMAT_FLAG_COLORMAP) != 0) - result = - png_safe_execute(image, png_image_read_colormap, &display) && - png_safe_execute(image, png_image_read_colormapped, &display); + if (image->height <= 0xFFFFFFFF/png_row_stride) + { + if ((image->format & PNG_FORMAT_FLAG_COLORMAP) == 0 || + (image->colormap_entries > 0 && colormap != NULL)) + { + int result; + png_image_read_control display; + + memset(&display, 0, (sizeof display)); + display.image = image; + display.buffer = buffer; + display.row_stride = row_stride; + display.colormap = colormap; + display.background = background; + display.local_row = NULL; + + /* Choose the correct 'end' routine; for the color-map case + * all the setup has already been done. + */ + if ((image->format & PNG_FORMAT_FLAG_COLORMAP) != 0) + result = png_safe_execute(image, + png_image_read_colormap, &display) && + png_safe_execute(image, + png_image_read_colormapped, &display); + + else + result = + png_safe_execute(image, + png_image_read_direct, &display); + + png_image_free(image); + return result; + } + + else + return png_image_error(image, + "png_image_finish_read[color-map]: no color-map"); + } else - result = - png_safe_execute(image, png_image_read_direct, &display); - - png_image_free(image); - return result; + return png_image_error(image, + "png_image_finish_read: image too large"); } else return png_image_error(image, - "png_image_finish_read[color-map]: no color-map"); + "png_image_finish_read: invalid argument"); } else return png_image_error(image, - "png_image_finish_read: invalid argument"); + "png_image_finish_read: row_stride too large"); } else if (image != NULL)
--- a/src/share/native/sun/awt/libpng/pngrio.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngrio.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.17 [March 26, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngrtran.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngrtran.c Thu Aug 11 13:22:51 2016 +0300 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.19 [November 12, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Last changed in libpng 1.6.22 [May 26, 2016] + * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -187,7 +187,7 @@ png_set_background_fixed(png_ptr, background_color, background_gamma_code, need_expand, png_fixed(png_ptr, background_gamma, "png_set_background")); } -# endif /* FLOATING_POINT */ +# endif /* FLOATING_POINT */ #endif /* READ_BACKGROUND */ /* Scale 16-bit depth files to 8-bit depth. If both of these are set then the @@ -317,9 +317,12 @@ * is expected to be 1 or greater, but this range test allows for some * viewing correction values. The intent is to weed out users of this API * who use the inverse of the gamma value accidentally! Since some of these - * values are reasonable this may have to be changed. + * values are reasonable this may have to be changed: + * + * 1.6.x: changed from 0.07..3 to 0.01..100 (to accomodate the optimal 16-bit + * gamma of 36, and its reciprocal.) */ - if (output_gamma < 70000 || output_gamma > 300000) + if (output_gamma < 1000 || output_gamma > 10000000) png_error(png_ptr, "output gamma out of expected range"); /* The default file gamma is the inverse of the output gamma; the output @@ -1940,7 +1943,7 @@ png_ptr->palette[i].blue = (png_byte)component; } } -#endif /* READ_SHIFT */ +#endif /* READ_SHIFT */ } /* Modify the info structure to reflect the transformations. The
--- a/src/share/native/sun/awt/libpng/pngrutil.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngrutil.c Thu Aug 11 13:22:51 2016 +0300 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.20 [December 3, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Last changed in libpng 1.6.20 [December 3, 2014] + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngset.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngset.c Thu Aug 11 13:22:51 2016 +0300 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.19 [November 12, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Last changed in libpng 1.6.23 [June 9, 2016] + * Copyright (c) 1998-2016 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -980,12 +980,14 @@ png_free_data(png_ptr, info_ptr, PNG_FREE_TRNS, 0); - /* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */ - png_ptr->trans_alpha = info_ptr->trans_alpha = png_voidcast(png_bytep, - png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH)); - if (num_trans > 0 && num_trans <= PNG_MAX_PALETTE_LENGTH) + { + /* Changed from num_trans to PNG_MAX_PALETTE_LENGTH in version 1.2.1 */ + info_ptr->trans_alpha = png_voidcast(png_bytep, + png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH)); memcpy(info_ptr->trans_alpha, trans_alpha, (png_size_t)num_trans); + } + png_ptr->trans_alpha = info_ptr->trans_alpha; } if (trans_color != NULL) @@ -1672,4 +1674,88 @@ png_ptr->num_palette_max = -1; } #endif + +#if defined(PNG_TEXT_SUPPORTED) || defined(PNG_pCAL_SUPPORTED) || \ + defined(PNG_iCCP_SUPPORTED) || defined(PNG_sPLT_SUPPORTED) +/* Check that the tEXt or zTXt keyword is valid per PNG 1.0 specification, + * and if invalid, correct the keyword rather than discarding the entire + * chunk. The PNG 1.0 specification requires keywords 1-79 characters in + * length, forbids leading or trailing whitespace, multiple internal spaces, + * and the non-break space (0x80) from ISO 8859-1. Returns keyword length. + * + * The 'new_key' buffer must be 80 characters in size (for the keyword plus a + * trailing '\0'). If this routine returns 0 then there was no keyword, or a + * valid one could not be generated, and the caller must png_error. + */ +png_uint_32 /* PRIVATE */ +png_check_keyword(png_structrp png_ptr, png_const_charp key, png_bytep new_key) +{ + png_const_charp orig_key = key; + png_uint_32 key_len = 0; + int bad_character = 0; + int space = 1; + + png_debug(1, "in png_check_keyword"); + + if (key == NULL) + { + *new_key = 0; + return 0; + } + + while (*key && key_len < 79) + { + png_byte ch = (png_byte)*key++; + + if ((ch > 32 && ch <= 126) || (ch >= 161 /*&& ch <= 255*/)) + *new_key++ = ch, ++key_len, space = 0; + + else if (space == 0) + { + /* A space or an invalid character when one wasn't seen immediately + * before; output just a space. + */ + *new_key++ = 32, ++key_len, space = 1; + + /* If the character was not a space then it is invalid. */ + if (ch != 32) + bad_character = ch; + } + + else if (bad_character == 0) + bad_character = ch; /* just skip it, record the first error */ + } + + if (key_len > 0 && space != 0) /* trailing space */ + { + --key_len, --new_key; + if (bad_character == 0) + bad_character = 32; + } + + /* Terminate the keyword */ + *new_key = 0; + + if (key_len == 0) + return 0; + +#ifdef PNG_WARNINGS_SUPPORTED + /* Try to only output one warning per keyword: */ + if (*key != 0) /* keyword too long */ + png_warning(png_ptr, "keyword truncated"); + + else if (bad_character != 0) + { + PNG_WARNING_PARAMETERS(p) + + png_warning_parameter(p, 1, orig_key); + png_warning_parameter_signed(p, 2, PNG_NUMBER_FORMAT_02x, bad_character); + + png_formatted_warning(png_ptr, p, "keyword \"@1\": bad character '0x@2'"); + } +#endif /* WARNINGS */ + + return key_len; +} +#endif /* TEXT || pCAL || iCCP || sPLT */ #endif /* READ || WRITE */
--- a/src/share/native/sun/awt/libpng/pngstruct.h Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngstruct.h Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.18 [July 23, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngtest.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngtest.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.5.25 [December 3, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -71,6 +71,15 @@ #include "png.h" +/* 1.6.1 added support for the configure test harness, which uses 77 to indicate + * a skipped test, in earlier versions we need to succeed on a skipped test, so: + */ +#if PNG_LIBPNG_VER >= 10601 && defined(HAVE_CONFIG_H) +# define SKIP 77 +#else +# define SKIP 0 +#endif + /* Known chunks that exist in pngtest.png must be supported or pngtest will fail * simply as a result of re-ordering them. This may be fixed in 1.7 * @@ -2093,9 +2102,9 @@ fprintf(STDERR, " test ignored because libpng was not built with read support\n"); /* And skip this test */ - return PNG_LIBPNG_VER < 10600 ? 0 : 77; + return SKIP; } #endif /* Generate a compiler error if there is an old png.h in the search path. */ -typedef png_libpng_version_1_6_20 Your_png_h_is_not_version_1_6_20; +typedef png_libpng_version_1_6_23 Your_png_h_is_not_version_1_6_23;
--- a/src/share/native/sun/awt/libpng/pngtrans.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngtrans.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.18 [July 23, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngwio.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngwio.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.15 [November 20, 2014] - * Copyright (c) 1998-2014 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2014 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngwrite.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngwrite.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.19 [November 12, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -40,9 +40,9 @@ */ #include "pngpriv.h" -#if defined(PNG_SIMPLIFIED_WRITE_SUPPORTED) && defined(PNG_STDIO_SUPPORTED) +#ifdef PNG_SIMPLIFIED_WRITE_STDIO_SUPPORTED # include <errno.h> -#endif +#endif /* SIMPLIFIED_WRITE_STDIO */ #ifdef PNG_WRITE_SUPPORTED @@ -1480,7 +1480,6 @@ #ifdef PNG_SIMPLIFIED_WRITE_SUPPORTED -# ifdef PNG_STDIO_SUPPORTED /* currently required for png_image_write_* */ /* Initialize the write structure - general purpose utility. */ static int png_image_write_init(png_imagep image) @@ -1532,6 +1531,10 @@ png_const_voidp first_row; ptrdiff_t row_bytes; png_voidp local_row; + /* Byte count for memory writing */ + png_bytep memory; + png_alloc_size_t memory_bytes; /* not used for STDIO */ + png_alloc_size_t output_bytes; /* running total */ } png_image_write_control; /* Write png_uint_16 input to a 16-bit PNG; the png_ptr has already been set to @@ -1959,9 +1962,43 @@ png_set_benign_errors(png_ptr, 0/*error*/); # endif - /* Default the 'row_stride' parameter if required. */ - if (display->row_stride == 0) - display->row_stride = PNG_IMAGE_ROW_STRIDE(*image); + /* Default the 'row_stride' parameter if required, also check the row stride + * and total image size to ensure that they are within the system limits. + */ + { + const unsigned int channels = PNG_IMAGE_PIXEL_CHANNELS(image->format); + + if (image->width <= 0x7FFFFFFFU/channels) /* no overflow */ + { + png_uint_32 check; + const png_uint_32 png_row_stride = image->width * channels; + + if (display->row_stride == 0) + display->row_stride = (png_int_32)/*SAFE*/png_row_stride; + + if (display->row_stride < 0) + check = -display->row_stride; + + else + check = display->row_stride; + + if (check >= png_row_stride) + { + /* Now check for overflow of the image buffer calculation; this + * limits the whole image size to 32 bits for API compatibility with + * the current, 32-bit, PNG_IMAGE_BUFFER_SIZE macro. + */ + if (image->height > 0xFFFFFFFF/png_row_stride) + png_error(image->opaque->png_ptr, "memory image too large"); + } + + else + png_error(image->opaque->png_ptr, "supplied row stride too small"); + } + + else + png_error(image->opaque->png_ptr, "image row stride too large"); + } /* Set the required transforms then write the rows in the correct order. */ if ((format & PNG_FORMAT_FLAG_COLORMAP) != 0) @@ -2138,6 +2175,122 @@ return 1; } + +static void (PNGCBAPI +image_memory_write)(png_structp png_ptr, png_bytep/*const*/ data, + png_size_t size) +{ + png_image_write_control *display = png_voidcast(png_image_write_control*, + png_ptr->io_ptr/*backdoor: png_get_io_ptr(png_ptr)*/); + const png_alloc_size_t ob = display->output_bytes; + + /* Check for overflow; this should never happen: */ + if (size <= ((png_alloc_size_t)-1) - ob) + { + /* I don't think libpng ever does this, but just in case: */ + if (size > 0) + { + if (display->memory_bytes >= ob+size) /* writing */ + memcpy(display->memory+ob, data, size); + + /* Always update the size: */ + display->output_bytes = ob+size; + } + } + + else + png_error(png_ptr, "png_image_write_to_memory: PNG too big"); +} + +static void (PNGCBAPI +image_memory_flush)(png_structp png_ptr) +{ + PNG_UNUSED(png_ptr) +} + +static int +png_image_write_memory(png_voidp argument) +{ + png_image_write_control *display = png_voidcast(png_image_write_control*, + argument); + + /* The rest of the memory-specific init and write_main in an error protected + * environment. This case needs to use callbacks for the write operations + * since libpng has no built in support for writing to memory. + */ + png_set_write_fn(display->image->opaque->png_ptr, display/*io_ptr*/, + image_memory_write, image_memory_flush); + + return png_image_write_main(display); +} + +int PNGAPI +png_image_write_to_memory(png_imagep image, void *memory, + png_alloc_size_t * PNG_RESTRICT memory_bytes, int convert_to_8bit, + const void *buffer, png_int_32 row_stride, const void *colormap) +{ + /* Write the image to the given buffer, or count the bytes if it is NULL */ + if (image != NULL && image->version == PNG_IMAGE_VERSION) + { + if (memory_bytes != NULL && buffer != NULL) + { + /* This is to give the caller an easier error detection in the NULL + * case and guard against uninitialized variable problems: + */ + if (memory == NULL) + *memory_bytes = 0; + + if (png_image_write_init(image) != 0) + { + png_image_write_control display; + int result; + + memset(&display, 0, (sizeof display)); + display.image = image; + display.buffer = buffer; + display.row_stride = row_stride; + display.colormap = colormap; + display.convert_to_8bit = convert_to_8bit; + display.memory = png_voidcast(png_bytep, memory); + display.memory_bytes = *memory_bytes; + display.output_bytes = 0; + + result = png_safe_execute(image, png_image_write_memory, &display); + png_image_free(image); + + /* write_memory returns true even if we ran out of buffer. */ + if (result) + { + /* On out-of-buffer this function returns '0' but still updates + * memory_bytes: + */ + if (memory != NULL && display.output_bytes > *memory_bytes) + result = 0; + + *memory_bytes = display.output_bytes; + } + + return result; + } + + else + return 0; + } + + else + return png_image_error(image, + "png_image_write_to_memory: invalid argument"); + } + + else if (image != NULL) + return png_image_error(image, + "png_image_write_to_memory: incorrect PNG_IMAGE_VERSION"); + + else + return 0; +} + +#ifdef PNG_SIMPLIFIED_WRITE_STDIO_SUPPORTED int PNGAPI png_image_write_to_stdio(png_imagep image, FILE *file, int convert_to_8bit, const void *buffer, png_int_32 row_stride, const void *colormap) @@ -2145,7 +2298,7 @@ /* Write the image to the given (FILE*). */ if (image != NULL && image->version == PNG_IMAGE_VERSION) { - if (file != NULL) + if (file != NULL && buffer != NULL) { if (png_image_write_init(image) != 0) { @@ -2195,7 +2348,7 @@ /* Write the image to the named file. */ if (image != NULL && image->version == PNG_IMAGE_VERSION) { - if (file_name != NULL) + if (file_name != NULL && buffer != NULL) { FILE *fp = fopen(file_name, "wb"); @@ -2253,6 +2406,6 @@ else return 0; } -# endif /* STDIO */ +#endif /* SIMPLIFIED_WRITE_STDIO */ #endif /* SIMPLIFIED_WRITE */ #endif /* WRITE */
--- a/src/share/native/sun/awt/libpng/pngwtran.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngwtran.c Thu Aug 11 13:22:51 2016 +0300 @@ -30,7 +30,7 @@ * file and, per its terms, should not be removed: * * Last changed in libpng 1.6.18 [July 23, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) *
--- a/src/share/native/sun/awt/libpng/pngwutil.c Fri Jul 07 19:53:38 2017 +0100 +++ b/src/share/native/sun/awt/libpng/pngwutil.c Thu Aug 11 13:22:51 2016 +0300 @@ -29,8 +29,8 @@ * However, the following notice accompanied the original version of this * file and, per its terms, should not be removed: * - * Last changed in libpng 1.6.19 [November 12, 2015] - * Copyright (c) 1998-2015 Glenn Randers-Pehrson + * Last changed in libpng 1.6.22 [May 26, 2016] + * Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson * (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger) * (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.) * @@ -51,10 +51,10 @@ void PNGAPI png_save_uint_32(png_bytep buf, png_uint_32 i) { - buf[0] = (png_byte)(i >> 24); - buf[1] = (png_byte)(i >> 16); - buf[2] = (png_byte)(i >> 8); - buf[3] = (png_byte)(i ); + buf[0] = (png_byte)((i >> 24) & 0xffU); + buf[1] = (png_byte)((i >> 16) & 0xffU); + buf[2] = (png_byte)((i >> 8) & 0xffU); + buf[3] = (png_byte)( i & 0xffU); } /* Place a 16-bit number into a buffer in PNG byte order. @@ -64,8 +64,8 @@ void PNGAPI png_save_uint_16(png_bytep buf, unsigned int i) { - buf[0] = (png_byte)(i >> 8); - buf[1] = (png_byte)(i ); + buf[0] = (png_byte)((i >> 8) & 0xffU); + buf[1] = (png_byte)( i & 0xffU); } #endif @@ -693,90 +693,6 @@ } #endif /* WRITE_COMPRESSED_TEXT */ -#if defined(PNG_WRITE_TEXT_SUPPORTED) || defined(PNG_WRITE_pCAL_SUPPORTED) || \ - defined(PNG_WRITE_iCCP_SUPPORTED) || defined(PNG_WRITE_sPLT_SUPPORTED) -/* Check that the tEXt or zTXt keyword is valid per PNG 1.0 specification, - * and if invalid, correct the keyword rather than discarding the entire - * chunk. The PNG 1.0 specification requires keywords 1-79 characters in - * length, forbids leading or trailing whitespace, multiple internal spaces, - * and the non-break space (0x80) from ISO 8859-1. Returns keyword length. - * - * The 'new_key' buffer must be 80 characters in size (for the keyword plus a - * trailing '\0'). If this routine returns 0 then there was no keyword, or a - * valid one could not be generated, and the caller must png_error. - */ -static png_uint_32 -png_check_keyword(png_structrp png_ptr, png_const_charp key, png_bytep new_key) -{ - png_const_charp orig_key = key; - png_uint_32 key_len = 0; - int bad_character = 0; - int space = 1; - - png_debug(1, "in png_check_keyword"); - - if (key == NULL) - { - *new_key = 0; - return 0; - } - - while (*key && key_len < 79) - { - png_byte ch = (png_byte)*key++; - - if ((ch > 32 && ch <= 126) || (ch >= 161 /*&& ch <= 255*/)) - *new_key++ = ch, ++key_len, space = 0; - - else if (space == 0) - { - /* A space or an invalid character when one wasn't seen immediately - * before; output just a space. - */ - *new_key++ = 32, ++key_len, space = 1; - - /* If the character was not a space then it is invalid. */ - if (ch != 32) - bad_character = ch; - } - - else if (bad_character == 0) - bad_character = ch; /* just skip it, record the first error */ - } - - if (key_len > 0 && space != 0) /* trailing space */ - { - --key_len, --new_key; - if (bad_character == 0) - bad_character = 32; - } - - /* Terminate the keyword */ - *new_key = 0; - - if (key_len == 0) - return 0; - -#ifdef PNG_WARNINGS_SUPPORTED - /* Try to only output one warning per keyword: */ - if (*key != 0) /* keyword too long */ - png_warning(png_ptr, "keyword truncated"); - - else if (bad_character != 0) - { - PNG_WARNING_PARAMETERS(p) - - png_warning_parameter(p, 1, orig_key); - png_warning_parameter_signed(p, 2, PNG_NUMBER_FORMAT_02x, bad_character); - - png_formatted_warning(png_ptr, p, "keyword \"@1\": bad character '0x@2'"); - } -#endif /* WARNINGS */ - - return key_len; -} -#endif /* WRITE_TEXT || WRITE_pCAL || WRITE_iCCP || WRITE_sPLT */ - /* Write the IHDR chunk, and update the png_struct with the necessary * information. Note that the rest of this code depends upon this * information being correct.