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authorEelco Dolstra <edolstra@gmail.com>2017-05-29T09·34+0200
committerEelco Dolstra <edolstra@gmail.com>2017-05-29T14·14+0200
commit6cc6c15a2d50d0021d7242e9806ed6d54538de17 (patch)
treee9a5fbd03cd6c1e0a1d8b68fff784f2d0f29dee7 /shell.nix
parent6e01ecd112dce8d8bbe46c839f982892a3ffb589 (diff)
Add a seccomp filter to prevent creating setuid/setgid binaries
This prevents builders from setting the S_ISUID or S_ISGID bits,
preventing users from using a nixbld* user to create a setuid/setgid
binary to interfere with subsequent builds under the same nixbld* uid.

This is based on aszlig's seccomp code
(47f587700d646f5b03a42f2fa57c28875a31efbe).

Reported by Linus Heckemann.
Diffstat (limited to 'shell.nix')
-rw-r--r--shell.nix3
1 files changed, 2 insertions, 1 deletions
diff --git a/shell.nix b/shell.nix
index c4e2a20f8fa7..435399f0b25c 100644
--- a/shell.nix
+++ b/shell.nix
@@ -22,7 +22,8 @@ with import ./release-common.nix { inherit pkgs; };
       # For nix-perl
       perl
       perlPackages.DBDSQLite
-    ];
+    ]
+    ++ lib.optional stdenv.isLinux libseccomp;
 
   inherit configureFlags;