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tests/misc: Test mount +s permission

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For #95444
Co-authored-by: Florian Klink <flokli@flokli.de>
This commit is contained in:
Doron Behar 2020-08-15 21:41:54 +03:00
parent a854b77b08
commit 2519e54bef
1 changed files with 32 additions and 0 deletions
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32
nixos/tests/misc.nix
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@ -20,12 +20,24 @@ import ./make-test-python.nix ({ pkgs, ...} : rec {
{ fsType = "tmpfs";
options = [ "mode=1777" "noauto" ];
};
# Tests https://discourse.nixos.org/t/how-to-make-a-derivations-executables-have-the-s-permission/8555
"/user-mount/point" = {
device = "/user-mount/source";
fsType = "none";
options = [ "bind" "rw" "user" "noauto" ];
};
"/user-mount/denied-point" = {
device = "/user-mount/denied-source";
fsType = "none";
options = [ "bind" "rw" "noauto" ];
};
};
systemd.automounts = singleton
{ wantedBy = [ "multi-user.target" ];
where = "/tmp2";
};
users.users.sybil = { isNormalUser = true; group = "wheel"; };
users.users.alice = { isNormalUser = true; };
security.sudo = { enable = true; wheelNeedsPassword = false; };
boot.kernel.sysctl."vm.swappiness" = 1;
boot.kernelParams = [ "vsyscall=emulate" ];
@ -112,6 +124,26 @@ import ./make-test-python.nix ({ pkgs, ...} : rec {
machine.succeed("touch /tmp2/x")
machine.succeed("grep '/tmp2 tmpfs' /proc/mounts")
with subtest(
"Whether mounting by a user is possible with the `user` option in fstab (#95444)"
):
machine.succeed("mkdir -p /user-mount/source")
machine.succeed("touch /user-mount/source/file")
machine.succeed("chmod -R a+Xr /user-mount/source")
machine.succeed("mkdir /user-mount/point")
machine.succeed("chown alice:users /user-mount/point")
machine.succeed("su - alice -c 'mount /user-mount/point'")
machine.succeed("su - alice -c 'ls /user-mount/point/file'")
with subtest(
"Whether mounting by a user is denied without the `user` option in fstab"
):
machine.succeed("mkdir -p /user-mount/denied-source")
machine.succeed("touch /user-mount/denied-source/file")
machine.succeed("chmod -R a+Xr /user-mount/denied-source")
machine.succeed("mkdir /user-mount/denied-point")
machine.succeed("chown alice:users /user-mount/denied-point")
machine.fail("su - alice -c 'mount /user-mount/denied-point'")
with subtest("shell-vars"):
machine.succeed('[ -n "$NIX_PATH" ]')