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38/118: Fix security hole in ‘nix-store --serve’

From: Ludovic Courts
Subject: 38/118: Fix security hole in ‘nix-store --serve’
Date: Tue, 19 May 2015 14:45:30 +0000

civodul pushed a commit to branch nix
in repository guix.

commit 2c3a8f787ba9da49feafdec4022534184e0a96a3
Author: Eelco Dolstra <address@hidden>
Date:   Thu Jul 10 11:46:01 2014 +0200

    Fix security hole in ‘nix-store --serve’
    Since it didn't check that the path received from the client is a
    store path, the client could dump any path in the file system.
 src/nix-store/ |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/nix-store/ b/src/nix-store/
index 4fee725..5bcb82f 100644
--- a/src/nix-store/
+++ b/src/nix-store/
@@ -923,7 +923,7 @@ static void opServe(Strings opFlags, Strings opArgs)
         case cmdSubstitute:
-            dumpPath(readString(in), out);
+            dumpPath(readStorePath(in), out);
             throw Error(format("unknown serve command `%1%'") % cmd);

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