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* gnu/packages/patches/xfig-Enable-error-message-for-missing-libraries.patch: New file. * gnu/packages/patches/xfig-Fix-double-free-when-requesting-MediaBox.patch: Likewise. * gnu/packages/patches/xfig-Use-pkg-config-to-set-fontconfig-CFLAGS-and-LIBS.patch: Likewise. * gnu/local.mk (dist_patch_DATA): Register new patches. * gnu/packages/xfig.scm (xfig): Update to 3.2.9. [source]: Use new patches. [arguments]<#:phases>: Add ‘wrap-program’. [native-inputs]: Add pkg-config, autoconf, automake and libtool. Move ghostscript to … [inputs]: … here. Add fig2dev, libxaw3d and libxft. [license]: Update URL. Signed-off-by: Liliana Marie Prikler <liliana.prikler@gmail.com>
58 lines
2.4 KiB
Diff
58 lines
2.4 KiB
Diff
From a9181df87d78828318f2e9f8d4ea012bc06883b9 Mon Sep 17 00:00:00 2001
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From: Bruno Victal <mirai@makinata.eu>
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Date: Thu, 7 Sep 2023 16:51:23 +0100
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Subject: [PATCH 3/3] Fix double-free when requesting MediaBox.
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Explicitly close the Ghostscript PDF interpreter before calling quit.
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References:
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[1]: <https://bugs.ghostscript.com/show_bug.cgi?id=705855>
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[2]: <https://bugs.ghostscript.com/show_bug.cgi?id=705836>
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---
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src/u_ghostscript.c | 13 ++++++++-----
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1 file changed, 8 insertions(+), 5 deletions(-)
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diff --git a/src/u_ghostscript.c b/src/u_ghostscript.c
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index 5974b31..d14674f 100644
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--- a/src/u_ghostscript.c
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+++ b/src/u_ghostscript.c
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@@ -317,10 +317,10 @@ gsexe(FILE **out, bool *isnew, char *exenew, char *exeold)
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* Call ghostscript to extract the /MediaBox from the pdf given in file.
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* Command line, for gs >= 9.50,
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* gs -q -dNODISPLAY --permit-file-read=in.pdf -c \
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- * "(in.pdf) (r) file runpdfbegin 1 pdfgetpage /MediaBox pget pop == quit"
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+ * "(in.pdf) (r) file runpdfbegin 1 pdfgetpage /MediaBox pget pop == runpdfend quit"
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* gs < 9.50:
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* gs -q -dNODISPLAY -dNOSAFER -c \
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- * "(in.pdf) (r) file runpdfbegin 1 pdfgetpage /MediaBox pget pop == quit"
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+ * "(in.pdf) (r) file runpdfbegin 1 pdfgetpage /MediaBox pget pop == runpdfend quit"
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* The command line was found, and modified a bit, at
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*https://stackoverflow.com/questions/2943281/using-ghostscript-to-get-page-size
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* Beginning with gs 9.50, "-dSAFER" is the default, and permission to access
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@@ -349,9 +349,11 @@ gsexe_mediabox(char *file, int *llx, int *lly, int *urx, int *ury)
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return -3;
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exenew = "%s -q -dNODISPLAY \"--permit-file-read=%s\" -c \"(%s) (r) "
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- "file runpdfbegin 1 pdfgetpage /MediaBox pget pop == quit\"";
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+ "file runpdfbegin 1 pdfgetpage /MediaBox pget pop == "
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+ "runpdfend quit\"";
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exeold = "%s -q -dNODISPLAY -c \"(%s) (r) "
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- "file runpdfbegin 1 pdfgetpage /MediaBox pget pop == quit\"";
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+ "file runpdfbegin 1 pdfgetpage /MediaBox pget pop == "
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+ "runpdfend quit\"";
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/* malloc() buffers for the command line, if necessary */
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fmt = exenew;
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@@ -445,7 +447,8 @@ gslib_mediabox(char *file, int *llx, int *lly, int *urx, int *ury)
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argnew[3] = "--permit-file-read=%s"; /* file */
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argnew[4] = "-c";
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argnew[5] =
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- "(%s) (r) file runpdfbegin 1 pdfgetpage /MediaBox pget pop == quit";
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+ "(%s) (r) file runpdfbegin 1 pdfgetpage /MediaBox pget pop == "
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+ "runpdfend quit";
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argold[0] = argnew[0];
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argold[1] = argnew[1];
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--
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2.40.1
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