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treewide: Fix unsafe concatenation of $LD_LIBRARY_PATH

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Naive concatenation of $LD_LIBRARY_PATH can result in an empty
colon-delimited segment; this tells glibc to load libraries from the
current directory, which is definitely wrong, and may be a security
vulnerability if the current directory is untrusted.  (See #67234, for
example.)  Fix this throughout the tree.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg
2020-01-15 09:47:03 +01:00
committed by Frederik Rietdijk
parent 2e5051e223
commit 3cd8ce3bce
48 changed files with 55 additions and 55 deletions
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pkgs/games/dwarf-fortress/dfhack/default.nix
+1 -1
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@@ -109,7 +109,7 @@ let
'';
preBuild = ''
export LD_LIBRARY_PATH="$PWD/depends/protobuf:$LD_LIBRARY_PATH"
export LD_LIBRARY_PATH="$PWD/depends/protobuf''${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"
'';
cmakeFlags = [ "-DDFHACK_BUILD_ARCH=${arch}" "-DDOWNLOAD_RUBY=OFF" ]