From cc5f350ab9c825884424faaacc2fa3c403615220 Mon Sep 17 00:00:00 2001 From: Ryan Harrison Date: Wed, 5 Sep 2018 18:37:28 +0000 Subject: Update libpng from 1.6.22 -> 1.6.34 Updates third_party/libpng16 to Chromium's third_party/libpng @ a0e5c6a798a45a0dca175e2774ae0edc6aafc696 and applies PDFium specific patches. Originally landed as https://pdfium-review.googlesource.com/41910, but reverted. Bug=chromium:880322 Change-Id: Ib8249cb156135d028c02f67f9559bdd8695c04f5 Reviewed-on: https://pdfium-review.googlesource.com/42030 Reviewed-by: Lei Zhang Commit-Queue: Ryan Harrison --- third_party/libpng16/0004-invalid-icc.patch | 81 ----------------------------- 1 file changed, 81 deletions(-) delete mode 100644 third_party/libpng16/0004-invalid-icc.patch (limited to 'third_party/libpng16/0004-invalid-icc.patch') diff --git a/third_party/libpng16/0004-invalid-icc.patch b/third_party/libpng16/0004-invalid-icc.patch deleted file mode 100644 index 0052c8e0f7..0000000000 --- a/third_party/libpng16/0004-invalid-icc.patch +++ /dev/null @@ -1,81 +0,0 @@ -diff --git a/png.c b/png.c -index 35e14f63d..01d8d9bae 100644 ---- a/png.c -+++ b/png.c -@@ -1931,8 +1931,8 @@ png_colorspace_set_sRGB(png_const_structrp png_ptr, png_colorspacerp colorspace, - static const png_byte D50_nCIEXYZ[12] = - { 0x00, 0x00, 0xf6, 0xd6, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d }; - --int /* PRIVATE */ --png_icc_check_length(png_const_structrp png_ptr, png_colorspacerp colorspace, -+static int /* bool */ -+icc_check_length(png_const_structrp png_ptr, png_colorspacerp colorspace, - png_const_charp name, png_uint_32 profile_length) - { - if (profile_length < 132) -@@ -1942,6 +1942,40 @@ png_icc_check_length(png_const_structrp png_ptr, png_colorspacerp colorspace, - return 1; - } - -+#ifdef PNG_READ_iCCP_SUPPORTED -+int /* PRIVATE */ -+png_icc_check_length(png_const_structrp png_ptr, png_colorspacerp colorspace, -+ png_const_charp name, png_uint_32 profile_length) -+{ -+ if (!icc_check_length(png_ptr, colorspace, name, profile_length)) -+ return 0; -+ -+ /* This needs to be here because the 'normal' check is in -+ * png_decompress_chunk, yet this happens after the attempt to -+ * png_malloc_base the required data. We only need this on read; on write -+ * the caller supplies the profile buffer so libpng doesn't allocate it. See -+ * the call to icc_check_length below (the write case). -+ */ -+# ifdef PNG_SET_USER_LIMITS_SUPPORTED -+ else if (png_ptr->user_chunk_malloc_max > 0 && -+ png_ptr->user_chunk_malloc_max < profile_length) -+ return png_icc_profile_error(png_ptr, colorspace, name, profile_length, -+ "exceeds application limits"); -+# elif PNG_USER_CHUNK_MALLOC_MAX > 0 -+ else if (PNG_USER_CHUNK_MALLOC_MAX < profile_length) -+ return png_icc_profile_error(png_ptr, colorspace, name, profile_length, -+ "exceeds libpng limits"); -+# else /* !SET_USER_LIMITS */ -+ /* This will get compiled out on all 32-bit and better systems. */ -+ else if (PNG_SIZE_MAX < profile_length) -+ return png_icc_profile_error(png_ptr, colorspace, name, profile_length, -+ "exceeds system limits"); -+# endif /* !SET_USER_LIMITS */ -+ -+ return 1; -+} -+#endif /* READ_iCCP */ -+ - int /* PRIVATE */ - png_icc_check_header(png_const_structrp png_ptr, png_colorspacerp colorspace, - png_const_charp name, png_uint_32 profile_length, -@@ -2379,7 +2413,7 @@ png_colorspace_set_ICC(png_const_structrp png_ptr, png_colorspacerp colorspace, - if ((colorspace->flags & PNG_COLORSPACE_INVALID) != 0) - return 0; - -- if (png_icc_check_length(png_ptr, colorspace, name, profile_length) != 0 && -+ if (icc_check_length(png_ptr, colorspace, name, profile_length) != 0 && - png_icc_check_header(png_ptr, colorspace, name, profile_length, profile, - color_type) != 0 && - png_icc_check_tag_table(png_ptr, colorspace, name, profile_length, -diff --git a/pngpriv.h b/pngpriv.h -index 9ea023fea..633671352 100644 ---- a/pngpriv.h -+++ b/pngpriv.h -@@ -1541,9 +1541,11 @@ PNG_INTERNAL_FUNCTION(int,png_colorspace_set_ICC,(png_const_structrp png_ptr, - /* The 'name' is used for information only */ - - /* Routines for checking parts of an ICC profile. */ -+#ifdef PNG_READ_iCCP_SUPPORTED - PNG_INTERNAL_FUNCTION(int,png_icc_check_length,(png_const_structrp png_ptr, - png_colorspacerp colorspace, png_const_charp name, - png_uint_32 profile_length), PNG_EMPTY); -+#endif /* READ_iCCP */ - PNG_INTERNAL_FUNCTION(int,png_icc_check_header,(png_const_structrp png_ptr, - png_colorspacerp colorspace, png_const_charp name, - png_uint_32 profile_length, -- cgit v1.2.3