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659 Commits

Author SHA1 Message Date
Justin Dhillon 504403f3e4 Fix broken links. 2024-02-07 15:35:51 -08:00
Mark Adler 81e7c38608 Correct printf formats in test/infcover.c to %zu. 2024-02-07 14:38:57 -08:00
Mark Adler 96d3e9e3dd Expand on the deflate strategy parameter in zlib.h. 2024-02-07 10:48:55 -08:00
Mark Adler e342bb3dae Assume no snprintf() or vsnprintf() if C89/90 in gzguts.h. 
Those functions were introduced in C99. However it is assumed that
they are there if under Windows, since Visual C claims C89/90, but
does have those functions, or variants.
 2024-02-06 18:27:44 -08:00
Mark Adler 915a3d5b7b Avoid use of snprintf() in test/minigzip.c. 
It was being used only as a safe version of strcpy(). Instead, use
a safe alternative to strcpy().
 2024-02-06 18:27:31 -08:00
Mark Adler 1382e66114 Use _POSIX_C_SOURCE in gzguts.h, instead of _POSIX_SOURCE. 2024-02-06 18:27:24 -08:00
Paul Marquess 4b98fd39c8 Enable fileno() for POSIX system in minigzip.c. 2024-02-05 23:51:31 -08:00
Mark Adler abd3d1a289 Update zran version. 2024-02-04 18:51:31 -08:00
Mark Adler 037bca67fd Allocate the dictionaries in examples/zran.c. 
This reduces the memory needed for dictionaries, and avoids the
need to reallocate the index at the end to return unused memory.
 2024-02-04 18:51:14 -08:00
Mark Adler 6378d33478 Provide a reusable inflate engine in the index in example/zran.c. 
Avoids the overhead of creating a new inflate engine for each
random access extraction.
 2024-02-04 18:49:40 -08:00
Mark Adler bb054d95d0 Stop decoding in zran.c once request is satisfied. 2024-02-04 18:49:40 -08:00
Mark Adler be4db0a79a Set returned index to NULL on an index build error in zran.c. 
An attempt to use the returned pointer in deflate_index_extract()
will now return cleanly with an error. The returned pointer can
now also be used with deflate_index_free() even on error.
 2024-02-04 18:48:30 -08:00
Mark Adler f1f503da85 Fix cmake build directory interference issue. 2024-01-28 21:50:26 -08:00
Mark Adler b14484997a Fix version numbers in vstudio definition files. 
They can only have a major and a minor version.
 2024-01-28 12:54:11 -08:00
Mark Adler 31d3dd4306 Update copyright years in LICENSE file. 2024-01-24 14:46:09 -08:00
Aleksei Shpakovskii 04ca30003f Enable build of shared library on AIX. 2024-01-23 18:21:05 -08:00
Mark Adler f56ad0aafa Note termination of returned strings in contrib/minizip/unzip.h. 2024-01-23 12:00:26 -08:00
Mark Adler b289a50fc5 Ignore unknown options in configure. 2024-01-23 10:59:41 -08:00
Levi Broderick 8a76f02e0e Avoid implicit conversion warnings in deflate.c and trees.c. 2024-01-23 08:45:00 -08:00
Tomas Berger df3b265064 Add option to CMakeLists.txt to disable renaming of zconf.h. 2024-01-23 08:39:24 -08:00
Mark Adler d4eaa1d939 Avoid unterminated file name in contrib/minizip/miniunz.c. 2024-01-23 08:19:24 -08:00
Mark Adler da5937705d Permit compiling contrib/minizip/unzip.c with decryption. 2024-01-23 08:02:38 -08:00
Cameron Cawley 4de0b054a5 Improve portability to RISC OS. 2024-01-23 06:27:49 -08:00
Mark Adler 9f0f2d4f9f Change version number on develop branch to 1.3.1.1. 2024-01-22 13:07:41 -08:00
Mark Adler 51b7f2abda zlib 1.3.1 2024-01-22 10:32:37 -08:00
Mark Adler 1a8db63788 Move the load flags before the object files in Makefile tests. 2024-01-22 05:54:21 -08:00
tr1cks 2e3d86c4e1 Add target include directories to CMakeLists.txt. 
This enables the addition of zlib to other projects.
 2024-01-22 05:43:21 -08:00
Mark Adler c06dfecb8a Use Makefile compiler for minizip-test target. 2024-01-21 09:25:44 -08:00
Mark Adler 88ec24670e Remove -w compile option in configure test. 
Not all C compilers have a -w option.
 2024-01-20 18:29:31 -08:00
Dan Kegel 9404df5a1f Use updated zconf.h when building out of directory with configure. 2024-01-19 16:16:11 -08:00
Mark Adler 84f0bafd7c Remove carriage returns from zlib.map. 2024-01-19 15:26:17 -08:00
Mark Adler 7af6320ad7 Fix a bug in ZLIB_DEBUG compiles in check_match(). 
This avoids trying to compare a match starting one byte before the
current window. Thanks to @zmodem (Hans) for discovering this.
 2024-01-19 12:19:53 -08:00
Mark Adler 7b632b486a Revert "Add a CMake option to link the C runtime statically." 
This reverts commit 44dc43ab04.
 2024-01-19 10:10:42 -08:00
Mark Adler 3f635df97e Remove unused Z_ARG macro. 2024-01-17 18:20:32 -08:00
gastush ade6825c49 Fix cmake build on AIX. 
The --version-script linker option is not supported by the linker on AIX systems
 2024-01-17 17:52:19 -08:00
Mark Adler 2526346237 Remove mentions of an official zlib DLL distribution. 
There used to be one, but no more. It is up to the user or vendor
to compile zlib.
 2024-01-17 17:19:03 -08:00
Dimitri Papadopoulos fe41d18921 Correct typos in source code. 2024-01-17 16:43:38 -08:00
Milan Bulat 01253ecd7e Make the existence of gz_intmax() unconditional. 
gz_intmax() is noted in zlib.map. This assures it's always there.
 2024-01-17 16:07:14 -08:00
Peter Taylor 6201f89384 Add cmake option to control the build of the example executables. 2024-01-17 15:34:01 -08:00
Matt Wilson 14a5f8f266 Neutralize zip file traversal attacks in miniunz. 
Archive formats such as .zip files are generally susceptible to
so-called "traversal attacks". This allows an attacker to craft
an archive that writes to unexpected locations of the file system
(e.g., /etc/shadow) if an unspecting root user were to unpack a
malicious archive.

This patch neutralizes absolute paths such as /tmp/moo and deeply
relative paths such as dummy/../../../../../../../../../../tmp/moo

The Debian project requested CVE-2014-9485 be allocated for the
first identified weakness. The fix was incomplete, resulting in a
revised patch applied here. Since there wasn't an updated version
released by Debian with the incomplete fix, I suggest we use this
CVE to identify both issues.

Link: https://security.snyk.io/research/zip-slip-vulnerability
Link: https://bugs.debian.org/774321
Link: https://bugs.debian.org/776831
Link: https://nvd.nist.gov/vuln/detail/CVE-2014-9485
Reported-by: Jakub Wilk <jwilk@debian.org>
Fixed-by: Michael Gilbert <mgilbert@debian.org>
 2024-01-17 15:08:08 -08:00
tbeu 44dc43ab04 Add a CMake option to link the C runtime statically. 2024-01-17 14:55:54 -08:00
THE-Spellchecker 01155ccc3f Fix random typos over several source and text files. 2024-01-17 13:49:11 -08:00
William Leara 16799d064b Fix "the the" in examples/gzlog.c. 2024-01-17 12:52:01 -08:00
William Leara 190168cc1c Correct case of MSDOS in contrib/minizip/miniunz.c. 2024-01-17 12:48:27 -08:00
William Leara 762cf49e63 Refer to correct function in contrib/minizip/unzip.c comment. 2024-01-17 12:46:14 -08:00
Mark Adler 36e369e1a5 Note that the len2 argument of crc_combine*() must be non-negative. 
If it is negative, then the code will enter an infinite loop.
 2024-01-13 22:30:30 -08:00
Hans Wennborg 60c31985ec Fix the copy of pending_buf in deflateCopy() for the LIT_MEM case. 2024-01-13 22:30:30 -08:00
Hans Wennborg ee474ff2d1 Fix pending buffer overflow assert with LIT_MEM allocation. 
Since each element in s->d_buf is 2 bytes, the sx index should be
multiplied by 2 in the assert.

Fixes #897
 2024-01-13 22:30:30 -08:00
Mark Adler 4bd9a71f35 Remove fdopen #defines in zutil.h. 
fdopen() is not used by zlib anymore. The #defines are vestigial.
 2024-01-13 22:30:30 -08:00
Mark Adler 431a9b65ea Add bounds checking to ERR_MSG() macro, used by zError(). 2024-01-13 22:29:58 -08:00