Update nanosvg library to latest upstream version
commit ccdb1995134d340a93fb20e3a3d323ccb3838dd0
Merge: 3cdd4a9 419782d
Author: Mikko Mononen <memononen@gmail.com>
Date: Fri Sep 3 21:24:42 2021 +0300
Merge pull request #198 from ctrlcctrlv/CVE_2019_1000032
Fix decimal values in color fields (nsvg__parseColorRGB, nsvg__parseColorHex)
This commit is contained in:
Albrecht Schlosser
parent
828d3dd722
commit
a774e120bc
@ -6,12 +6,12 @@ about the current versions of all bundled libraries and about how to
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upgrade these bundled libraries.
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Current versions of bundled libraries (as of Feb 25, 2021):
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Current versions of bundled libraries (as of Sep 13, 2021):
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Library Version Release date FLTK Version
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--------------------------------------------------------------------------
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jpeg jpeg-9d 2020-01-12 1.4.0
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nanosvg a1eea27b3d [1] 2021-02-21 1.4.0
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nanosvg 461ad7de70 [1] 2021-09-13 1.4.0
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png libpng-1.6.37 2019-04-14 1.4.0
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zlib zlib-1.2.11 2017-01-15 1.4.0
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--------------------------------------------------------------------------
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@ -26,7 +26,7 @@ Previous versions of bundled libraries:
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--------------------------------------------------------------------------
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[1] Git commit in: https://github.com/fltk/nanosvg
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[1] Git commit in branch 'fltk' of https://github.com/fltk/nanosvg
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See also git tag 'fltk_yyyy-mm-dd' where yyyy-mm-dd == "Release date"
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and file nanosvg/README.txt.
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@ -22,38 +22,34 @@ For more information see README.bundled-libs.txt in FLTK's root directory.
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Changes in the FLTK fork, branch 'fltk':
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-----------------------------------------
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$ git show --no-patch fltk_2021-02-22
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tag fltk_2021-02-22
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Tagger: Albrecht Schlosser <...>
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Date: Mon Feb 22 14:16:58 2021 +0100
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$ git show --no-patch fltk_2021-09-13
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tag fltk_2021-09-13
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Tagger: Albrecht Schlosser <albrechts.fltk@online.de>
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Date: Mon Sep 13 19:09:40 2021 +0200
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Included in FLTK 1.4.x as of Feb 22, 2021
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FLTK modifications as of Sep 13, 2021:
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Latest upstream changes:
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------------------------
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commit 3e403ec72a9145cbbcc6c63d94a4caf079aafec2
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Merge: cc6c08d 45eb9f8
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Author: Mikko Mononen <...>
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Date: Fri Nov 20 12:53:11 2020 +0200
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Merge pull request #189 from fvogelnew1/Fix-for-#188
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Update nanosvg.h
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Changes in branch 'fltk':
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$ git shortlog master..fltk
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AlbrechtS (2):
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$ git shortlog master..fltk
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AlbrechtS (2):
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Fix Visual Studio compilation error (missing long long).
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Modify rasterizer to support non-square X,Y axes scaling.
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Greg Ercolano (1):
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Address crash defined in fltk's issue 180
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Greg Ercolano (1):
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Clip integer RGB percent values > 100
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commit a1eea27b3db2d15d924ea823dd0acc5bd2aa56f1
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Author: Greg Ercolano <...>
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Latest upstream commit (master):
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commit ccdb1995134d340a93fb20e3a3d323ccb3838dd0
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Merge: 3cdd4a9 419782d
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Author: Mikko Mononen <memononen@gmail.com>
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Date: Fri Sep 3 21:24:42 2021 +0300
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Merge pull request #198 from ctrlcctrlv/CVE_2019_1000032
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Fix decimal values in color fields (nsvg__parseColorRGB, nsvg__parseColorHex)
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commit 461ad7de70d5fd3f09fc214e4baaadb830a2a270 (HEAD -> fltk, tag: fltk_2021-09-13, origin/fltk, origin/HEAD)
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Author: Greg Ercolano <erco@seriss.com>
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Date: Mon Jan 18 15:05:13 2021 -0800
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Address crash defined in fltk's issue 180
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Clip integer RGB percent values > 100
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@ -1223,25 +1223,23 @@ static const char* nsvg__getNextPathItem(const char* s, char* it)
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static unsigned int nsvg__parseColorHex(const char* str)
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{
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// FLTK: Solve fltk issue#180 / CVE-2019-1000032
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unsigned int r=0, g=0, b=0;
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if (sscanf(str, "#%2x%2x%2x", &r, &g, &b) == 3 ) // 2 digit hex
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return NSVG_RGB(r, g, b);
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if (sscanf(str, "#%1x%1x%1x", &r, &g, &b) == 3 ) // 1 digit hex, e.g. #abc -> 0xccbbaa
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return NSVG_RGB(r*17, g*17, b*17); // has same effect as (r<<4|r), (g<<4|g), ..
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return NSVG_RGB(r*17, g*17, b*17); // same effect as (r<<4|r), (g<<4|g), ..
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return NSVG_RGB(128, 128, 128);
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}
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static unsigned int nsvg__parseColorRGB(const char* str)
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{
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// FLTK: Solve fltk issue#180 / CVE-2019-1000032
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unsigned int r=0, g=0, b=0;
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if (sscanf(str, "rgb(%u, %u, %u)", &r, &g, &b) == 3) // decimal integers
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return NSVG_RGB(r, g, b);
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if (sscanf(str, "rgb(%u%%, %u%%, %u%%)", &r, &g, &b) == 3) { // decimal integer percentage
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r = (r <= 100) ? ((r*255)/100) : 255; // clip percentages >100
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g = (g <= 100) ? ((g*255)/100) : 255;
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b = (b <= 100) ? ((b*255)/100) : 255;
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r = (r <= 100) ? ((r*255)/100) : 255; // FLTK: clip percentages >100
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g = (g <= 100) ? ((g*255)/100) : 255;
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b = (b <= 100) ? ((b*255)/100) : 255;
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return NSVG_RGB(r, g, b);
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}
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return NSVG_RGB(128, 128, 128);
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@ -2188,7 +2186,12 @@ static void nsvg__pathArcTo(NSVGparser* p, float* cpx, float* cpy, float* args,
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// The loop assumes an iteration per end point (including start and end), this +1.
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ndivs = (int)(fabsf(da) / (NSVG_PI*0.5f) + 1.0f);
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hda = (da / (float)ndivs) / 2.0f;
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kappa = fabsf(4.0f / 3.0f * (1.0f - cosf(hda)) / sinf(hda));
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// Fix for ticket #179: division by 0: avoid cotangens around 0 (infinite)
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if ((hda < 1e-3f) && (hda > -1e-3f))
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hda *= 0.5f;
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else
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hda = (1.0f - cosf(hda)) / sinf(hda);
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kappa = fabsf(4.0f / 3.0f * hda);
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if (da < 0.0f)
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kappa = -kappa;
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