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authorLudovic Courtès <ludo@gnu.org>2019-10-16 11:51:42 +0200
committerLudovic Courtès <ludo@gnu.org>2019-10-16 22:53:40 +0200
commit81c580c8664bfeeb767e2c47ea343004e88223c7 (patch)
tree682678e9f32fd6c38f78ccd5cd2ab58ee736e1be /THANKS
parenta1aaca314ca94700ebe3449d6bd73522f2d243bc (diff)
daemon: Make 'profiles/per-user' non-world-writable.
Fixes <https://bugs.gnu.org/37744>. Reported at <https://www.openwall.com/lists/oss-security/2019/10/09/4>. Based on Nix commit 5a303093dcae1e5ce9212616ef18f2ca51020b0d by Eelco Dolstra <edolstra@gmail.com>. * nix/libstore/local-store.cc (LocalStore::LocalStore): Set 'perUserDir' to #o755 instead of #o1777. (LocalStore::createUser): New function. * nix/libstore/local-store.hh (LocalStore): Add it. * nix/libstore/store-api.hh (StoreAPI): Add it. * nix/nix-daemon/nix-daemon.cc (performOp): In 'wopSetOptions', add condition to handle "user-name" property and honor it. (processConnection): Add 'userId' parameter. Call 'store->createUser' when userId is not -1. * guix/profiles.scm (ensure-profile-directory): Note that this is now handled by the daemon. * guix/store.scm (current-user-name): New procedure. (set-build-options): Add #:user-name parameter and pass it to the daemon. * tests/guix-daemon.sh: Test the creation of 'profiles/per-user' when listening on a TCP socket. * tests/store.scm ("profiles/per-user exists and is not writable") ("profiles/per-user/$USER exists"): New tests.
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