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PK �j!\�[�� NEWSnu �[��� libexif-0.6.22 (2020-05-18): * New translations: ms * Updated translations for most languages * Fixed C89 compatibility * Fixed warnings on recent versions of autoconf * Some useful EXIF 2.3 tag added: * EXIF_TAG_GAMMA * EXIF_TAG_COMPOSITE_IMAGE * EXIF_TAG_SOURCE_IMAGE_NUMBER_OF_COMPOSITE_IMAGE * EXIF_TAG_SOURCE_EXPOSURE_TIMES_OF_COMPOSITE_IMAGE * EXIF_TAG_GPS_H_POSITIONING_ERROR * EXIF_TAG_CAMERA_OWNER_NAME * EXIF_TAG_BODY_SERIAL_NUMBER * EXIF_TAG_LENS_SPECIFICATION * EXIF_TAG_LENS_MAKE * EXIF_TAG_LENS_MODEL * EXIF_TAG_LENS_SERIAL_NUMBER * Lots of fixes exposed by fuzzers like AFL, ClusterFuzz, OSSFuzz and others. * CVE-2018-20030: Fix for recursion DoS * CVE-2020-13114: Time consumption DoS when parsing canon array markers * CVE-2020-13113: Potential use of uninitialized memory * CVE-2020-13112: Various buffer overread fixes due to integer overflows in maker notes * CVE-2020-0093: read overflow * CVE-2019-9278: replaced integer overflow checks the compiler could optimize away by safer constructs * CVE-2020-12767: fixed division by zero * CVE-2016-6328: fixed integer overflow when parsing maker notes * CVE-2017-7544: fixed buffer overread libexif-0.6.21 (2012-07-12): * New translations: en_AU, uk * Updated translations: cs, da, de, en_CA, nl, pl, sk, sv, vi * Added more supported lens in Canon MakerNote * Added some defensive NULL pointer checks * Fixed a number of security and stability issues due to buffer overflows, bad pointer dereferences and division-by-zero including bug #3434540 and bug #3434545 (CVE-2012-2812, CVE-2012-2813, CVE-2012-2814, CVE-2012-2836, CVE-2012-2837, CVE-2012-2840, CVE-2012-2841, CVE-2012-2845) libexif-0.6.20 (2010-12-15): * New translations: bs, tr * Updated translations: be, cs, da, de, en_GB, en_CA, it, ja, nl, pl, pt_BR, pt, ru, sk, sq, sr, sv, vi, zh_CN * Fixed some problems in the write-exif.c example program * Stop listing -lm as a required library for dynamic linking in libexif.pc * Turned on the --enable-silent-rules configure option * Changed a lot of strings to make the case of the text more consistent * exif_entry_dump() now displays the correct tag name for GPS tags * Fixed some invalid format specifiers that caused problems on some platforms * Display rational numbers with the right number of significant figures libexif-0.6.19 (2009-11-12): * New translations: be, en_GB, it, ja, pt, sq, zh_CN * Updated translations: da, sv, vi * Now using a binary search to make searching through the tag table faster * Fixed a heap buffer overflow during tag format conversion (CVE-2009-3895) libexif-0.6.18 (2009-10-09): * New translations: da, pt_BR, sr * Updated translations: cs, de, en_CA, nl, pl, sk, sv, vi * Added some example programs * libexif is now thread safe when the underlying C library is thread safe and when each object allocated by libexif isn't used by more than one thread simultaneously * Expanded the Doxygen API documentation * Access to the raw EXIF data through the ExifEntry structure members is now officially documented * Fixed some Olympus/Sanyo MakerNote interpretations * Added support for Epson MakerNotes * Fixed bug #1946138 to stop ignoring CFLAGS in the sqrt configure test * Added remaining GPS tags from the EXIF 2.2 spec to the tag table * Fixed the interpretation of some tags as being optional in IFD 1 (to match the EXIF 2.2 spec) which stops them from being erroneously removed from a file when EXIF_DATA_OPTION_IGNORE_UNKNOWN_TAGS is set * Changed exif_tag_get_support_level_in_ifd() to return a value when possible when the data type for the given EXIF data is unknown. This will cause tags to be added or deleted when tag fixup is requested even, without a data type being set. * Added support for writing Pentax and Casio type2 MakerNotes * Improved display of Pentax and Casio type2 MakerNotes * Completely fixed bug #1617997 to display APEX values correctly * Stopped some crashes due to read-beyond-buffer accesses in MakerNotes * Don't abort MakerNote parsing after the first invalid tag * Sped up exif_content_fix() * Fixed negative exposure values in Canon makernotes (bug #2797280) * New API entry point: exif_loader_get_buf() libexif-0.6.17 (2008-11-06): * Updated translations: cs, de, pl, sk, vi * New translations: nl, sv, en_CA * Bug fixes: #1773810, #1774626, #1536244, CVE-2007-6351, CVE-2007-6352, #2071600 and others * Enhanced support of Canon and Olympus makernotes * Added support for Fuji and Sanyo makernotes * Added support for the NO_VERBOSE_TAG_STRINGS and NO_VERBOSE_TAG_DATA macros to reduce size for embedded applications * Added support for more tags libexif-0.6.16 (2007-06-12): * Security fix: CVE-2006-4168 aka IDEF1514. * Updated translations: cz, pl, vi New in 0.6.15 (2007-05-23) since 0.6.14 (2007-05-10): * Added support for 2 new types of Pentax makernotes & Casio type2 makernote * Added support for Win XP metadata (Author, Comment, KeyWords, Title, Subject) tags * Bug fixes: [ 1443183 ] install error when doxygen is not present. * New translations: Czech, Slovak. * Improved doxygen generated API and code internals documentation. Made building of code internals docs optional (--enable-internal-docs) as the call graphs take quite long to build. Made building any docs optional (--disable-docs). New in 0.6.14 (2007-05-10) since 0.6.13 (2005-12-27): * Bug fixes: #1457501, #1471060, #1525770, #1617991, #1703284, #1716196 * Extended support of Canon, Nikon, Olympus makernotes * Added option EXIF_DATA_OPTION_DONT_CHANGE_MAKER_NOTE to prevent modification of maker notes * Other fixes and improvements which include API/ABI additions. New in 0.6.13 (2005-12-27) since 0.6.12 (2005-03-13): * Bug fixes: #803191, #1051994, #1054321, #1054323, #1196787 * For pkg-config users, force usage of #include <libexif/exif-*.h> (disable #include <exif-.h>) * Updated German translation * Build system tuning * Misc changes: Fix COPYRIGHT tag, fix memory corruption, use qsort. New in 0.6.12 (2005-03-13) since 0.6.11 (2004-10-16): * Final fix of Ubuntu Security Notice USN-91-1 (CAN-2005-0664) https://bugzilla.ubuntulinux.org/show_bug.cgi?id=7152 * Updated build system with cross compile capabilities * Small fixes: Fix tag order, use even offsets, improve Nikon&Olympus mnote tags. New in 0.6.11 (2004-10-16) since 0.6.10 (2004-08-27): * Improved tag names, titles, and descriptions. * Bug fixes for memory leaks, format strings, month one off, ... * Support for Watcom compiler (requires manual copying of files) New in 0.6.10 (2004-08-27) since 0.5.9 (2002-12-11): * New tags suppored, and added a few more checks. * API changes * libmnote has been merged back into libexif General remarks: * This file contains changes visible to users. * Small bug fixes (typos, memory leaks, ...) and feature enhancements (new tag types, ...) are not mentioned explicitly. * Apart from that, I would like to ask committers to update this file when they commit "big" user visible changes. * If someone wants to reconstruct past changes and log them here, you're welcome to. PK �j!\�V�� � READMEnu �[��� libexif ------- DESCRIPTION ----------- libexif is a library for parsing, editing, and saving EXIF data. It is intended to replace lots of redundant implementations in command-line utilities and programs with GUIs. FEATURES -------- libexif supports parsing, editing and saving of EXIF data. In addition, it has gettext support. All EXIF tags described in EXIF standard 2.1 (and most from 2.2) are supported. Many maker notes from Canon, Casio, Epson, Fuji, Nikon, Olympus, Pentax and Sanyo cameras are also supported. REQUIREMENTS ------------ libexif is written in plain C and does not require any additional library. GNU gettext will be used for language translation, if available. LIMITATIONS ----------- libexif can only handle some maker notes, and even those not very well. More work needs to be done. Note that libmnote has been merged with libexif - it is no longer needed. USAGE ----- We have documented the libexif API using doxygen and are making the results available at https://libexif.github.io/api/ The short test programs in the test directory illustrates how to create valid EXIF data from scratch, how to save EXIF data and how to load EXIF data from data in memory. There are also a few simple example programs available in the contrib/examples/ directory. Don't hesitate to contact us at <libexif-devel@lists.sourceforge.net> if you have any questions on how to use libexif. To link to libexif into your own package, we recommend using the pkgconfig utility (cf. https://www.freedesktop.org/wiki/Software/pkg-config/ For your convenience, libexif both provides libexif-uninstalled.pc and installs libexif.pc. FRONTENDS --------- Here are a few frontends to libexif: - exif: A small command-line utility to show EXIF information in JPEG files (https://github.com/libexif/libexif). - gexif: A GTK+ frontend for editing EXIF data (https://github.com/libexif/gexif). - gphoto2: A command-line frontend to libgphoto2, a library to access a wide range of digital cameras (http://www.gphoto.org). - gtkam: A GTK+ frontend to libgphoto2 (http://www.gphoto.org). - thirdeye: Digital photos organizer and driver for eComStation (http://ecomstation.ru/thirdeye). - digikam: digital photo management application for KDE (https://www.digikam.org/) If you would like to migrate your program to use libexif or add EXIF support to it, don't hesitate to contact the authors. LIBRARIES --------- The following libraries use or have been inspired by libexif: - libexif-gtk: library of widgets to help display EXIF tags in GTK programs (https://github.com/libexif/libexif-gtk). - pel: PHP-Code (https://github.com/lsolesen/pel/) BUILDING -------- It really depends on your environment what to do in order to get libexif to build. Building from the source tar ball usually involves the commands: ./configure make sudo make install When building from source out of git, something like the following will be necessary: gettextize mv po/Makevars.template po/Makevars aclocal -I auto-m4 -I m4m autoheader libtoolize --force automake --add-missing autoconf ./configure make Or, probably just: autoreconf -i ./configure make Besides the standard arguments, configure takes several specific to libexif: --disable-docs To disable producing any documentation --enable-internal-docs Build internal code docs if Doxygen available --enable-ship-binaries To include Windows DLLs in 'make dist' Certain specialized applications can reduce the size of the libexif binary by setting one or both of the following macros in the CPPFLAGS environment variable at configure time. Each one removes certain kinds of text strings and constants from the binary. Applications which need to access specific, known EXIF tags and know in advance the meaning of their data have no need of those strings and can save considerable space by eliminating them. -DNO_VERBOSE_TAG_STRINGS Names and descriptions of EXIF tags, debug messages, mandatory EXIF fields (disabling auto-tag-fixup) -DNO_VERBOSE_TAG_DATA Names of enumerated tag data contents INTERNATIONALIZATION -------------------- The libexif translations are made by volunteers working on their own, either directly with the libexif project or through one of two translation coordination sites, the Translation Project <https://translationproject.org/domain/libexif.html> and Launchpad <https://translations.edge.launchpad.net/ubuntu/bionic/+source/libexif/+pots/libexif-12>. Any updates to language translations coordinated by the Translation Project must be made through their web site, but all other languages can be updated either through Launchpad (preferred) or by sending updates to the libexif developers mailing list directly. As of this writing, the following languages must be updated through the Translation Project: cs da de es fr it ja nl pl pt sk sv uk vi If you are interested in translating libexif into a new language, we recommend that you join one of the above translation groups and take advantage of the systems they have built to help you. A translation disclaimer is NOT required for libexif at the Translation Project; by making a translation, you agree implicitly to provide it under the same license terms as the rest of libexif (LGPL). AUTHORS ------- libexif has originally been written by Curtis Galloway <curtisg@users.sourceforge.net>. Because of the original design not supporting editing and saving, Lutz Mueller <lutz@users.sourceforge.net> rewrote libexif from scratch. Since then, many more people have contributed to libexif. LINKS ----- Some links you might want to check out if you are interested in further information about EXIF. - https://drewnoakes.com/code/exif: metadata extraction framework in Java - https://www.exif.org: information about the EXIF standard. - https://www.sno.phy.queensu.ca/~phil/exiftool/TagNames/index.html: Looks like libexif in Perl. Seems to support a lot of MakerNotes. PK �j!\�[�� NEWSnu �[��� PK �j!\�V�� � 6 READMEnu �[��� PK � G5
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