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gnu: gd: Fix an issue with XBM decoding.
* gnu/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch: New file. * gnu/local.scm (dist_patch_DATA): Add it. * gnu/packages/gd.scm (gd)[source]: Use it. Signed-off-by: Leo Famulari <leo@famulari.name>
This commit is contained in:
Julien Lepiller
Leo Famulari
parent
37e78bc7f2
commit
e8293ef12c
3 changed files with 124 additions and 1 deletions
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@ -583,6 +583,7 @@ dist_patch_DATA = \
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%D%/packages/patches/gd-fix-tests-on-i686.patch \
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%D%/packages/patches/gd-fix-truecolor-format-correction.patch \
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%D%/packages/patches/gd-freetype-test-failure.patch \
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%D%/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch \
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%D%/packages/patches/gegl-CVE-2012-4433.patch \
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%D%/packages/patches/geoclue-config.patch \
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%D%/packages/patches/ghc-dont-pass-linker-flags-via-response-files.patch \
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@ -53,7 +53,8 @@ (define-public gd
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"1rp4v7n1dq38b92kl7gkvpvqqkw7nvdfnz6d5kip5klkxfki6zqk"))
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(patches (search-patches "gd-fix-gd2-read-test.patch"
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"gd-fix-tests-on-i686.patch"
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"gd-freetype-test-failure.patch"))))
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"gd-freetype-test-failure.patch"
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"gd-php-73968-Fix-109-XBM-reading.patch"))))
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(build-system gnu-build-system)
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(arguments
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;; As recommended by github.com/libgd/libgd/issues/278 to fix rounding
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121
gnu/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch
Normal file
121
gnu/packages/patches/gd-php-73968-Fix-109-XBM-reading.patch
Normal file
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@ -0,0 +1,121 @@
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This bug was first reported to php on https://bugs.php.net/bug.php?id=73968.
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php then reported it to gd in https://github.com/libgd/libgd/issues/109.
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Patch adapted from upstream source repository:
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https://github.com/libgd/libgd/commit/082c5444838ea0d84f9fb6441aefdb44d78d9bba
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Binary diffs have been removed from the patch because our patch
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procedure doesn't support them.
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From 082c5444838ea0d84f9fb6441aefdb44d78d9bba Mon Sep 17 00:00:00 2001
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From: "Christoph M. Becker" <cmbecker69@gmx.de>
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Date: Fri, 20 Jan 2017 22:48:20 +0100
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Subject: [PATCH] Fix #109: XBM reading fails with printed error
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When calculating the number of required bytes of an XBM image, we have
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to take the line padding into account.
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---
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src/gd_xbm.c | 2 +-
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tests/xbm/CMakeLists.txt | 1 +
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tests/xbm/Makemodule.am | 5 ++++-
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tests/xbm/github_bug_109.c | 35 +++++++++++++++++++++++++++++++++++
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tests/xbm/github_bug_109.xbm | 5 +++++
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5 files changed, 47 insertions(+), 2 deletions(-)
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create mode 100644 tests/xbm/github_bug_109.c
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create mode 100644 tests/xbm/github_bug_109.xbm
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create mode 100644 tests/xbm/github_bug_109_exp.png
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diff --git a/src/gd_xbm.c b/src/gd_xbm.c
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index 5f09b56..c2ba2ad 100644
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--- a/src/gd_xbm.c
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+++ b/src/gd_xbm.c
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@@ -108,7 +108,7 @@ BGD_DECLARE(gdImagePtr) gdImageCreateFromXbm(FILE * fd)
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max_bit = 32768;
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}
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if (max_bit) {
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- bytes = (width * height / 8) + 1;
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+ bytes = (width + 7) / 8 * height;
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if (!bytes) {
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return 0;
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}
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diff --git a/tests/xbm/CMakeLists.txt b/tests/xbm/CMakeLists.txt
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index 183cf5e..08576e0 100644
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--- a/tests/xbm/CMakeLists.txt
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+++ b/tests/xbm/CMakeLists.txt
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@@ -1,4 +1,5 @@
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LIST(APPEND TESTS_FILES
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+ github_bug_109
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github_bug_170
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)
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diff --git a/tests/xbm/Makemodule.am b/tests/xbm/Makemodule.am
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index ba1eabd..0f5beb6 100644
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--- a/tests/xbm/Makemodule.am
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+++ b/tests/xbm/Makemodule.am
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@@ -1,5 +1,8 @@
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libgd_test_programs += \
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+ xbm/github_bug_109 \
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xbm/github_bug_170
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EXTRA_DIST += \
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- xbm/CMakeLists.txt
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+ xbm/CMakeLists.txt \
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+ xbm/github_bug_109.xbm \
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+ xbm/github_bug_109_exp.png
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diff --git a/tests/xbm/github_bug_109.c b/tests/xbm/github_bug_109.c
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new file mode 100644
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index 0000000..1a020c6
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--- /dev/null
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+++ b/tests/xbm/github_bug_109.c
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@@ -0,0 +1,35 @@
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+/**
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+ * Test reading of XBM images with a width that is not a multiple of 8
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+ *
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+ * We're reading such an XBM image, and check that we got what we've expected,
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+ * instead of an error message.
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+ *
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+ * See also <https://github.com/libgd/libgd/issues/109>.
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+ */
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+
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+
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+#include "gd.h"
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+#include "gdtest.h"
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+
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+
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+int main()
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+{
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+ gdImagePtr im;
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+ FILE *fp;
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+ char *path;
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+
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+ fp = gdTestFileOpen2("xbm", "github_bug_109.xbm");
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+ im = gdImageCreateFromXbm(fp);
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+ fclose(fp);
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+ gdTestAssert(im != NULL);
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+ gdTestAssert(gdImageGetTrueColorPixel(im, 0, 0) == 0);
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+ gdTestAssert(gdImageGetTrueColorPixel(im, 0, 1) == 0xffffff);
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+
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+ path = gdTestFilePath2("xbm", "github_bug_109_exp.png");
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+ gdAssertImageEqualsToFile(path, im);
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+ gdFree(path);
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+
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+ gdImageDestroy(im);
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+
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+ return gdNumFailures();
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+}
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diff --git a/tests/xbm/github_bug_109.xbm b/tests/xbm/github_bug_109.xbm
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new file mode 100644
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index 0000000..f427d86
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--- /dev/null
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+++ b/tests/xbm/github_bug_109.xbm
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@@ -0,0 +1,5 @@
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+#define test_width 10
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+#define test_height 10
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+static unsigned char test_bits[] = {
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+ 0xFF, 0x03, 0x00, 0x00, 0xFF, 0x03, 0x00, 0x00, 0xFF, 0x03, 0x00, 0x00,
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+ 0xFF, 0x03, 0x00, 0x00, 0xFF, 0x03, 0x00, 0x00};
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--
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2.7.4
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