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Merge pull request #818 from hraban/chsh

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fix: user shell path handling
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Michael Hoang 2024-01-21 10:10:48 +10:00 • committed by GitHub
commit 983bd5125d
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2 changed files with 22 additions and 12 deletions
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31
modules/users/default.nix
View file

@ -24,6 +24,14 @@ let
deletedUsers = filter (n: isDeleted cfg.users n) cfg.knownUsers;
packageUsers = filterAttrs (_: u: u.packages != []) cfg.users;
# convert a valid argument to user.shell into a string that points to a shell
# executable. Logic copied from modules/system/shells.nix.
shellPath = v:
if types.shellPackage.check v
then "/run/current-system/sw${v.shellPath}"
else v;
in
{
@ -151,19 +159,20 @@ in
u=$(dscl . -read '/Users/${v.name}' UniqueID 2> /dev/null) || true
u=''${u#UniqueID: }
if [ -z "$u" ]; then
echo "creating user ${v.name}..." >&2
dscl . -create '/Users/${v.name}' UniqueID ${toString v.uid}
dscl . -create '/Users/${v.name}' PrimaryGroupID ${toString v.gid}
dscl . -create '/Users/${v.name}' IsHidden ${if v.isHidden then "1" else "0"}
dscl . -create '/Users/${v.name}' RealName '${v.description}'
dscl . -create '/Users/${v.name}' NFSHomeDirectory '${v.home}'
dscl . -create '/Users/${v.name}' UserShell '${v.shell}'
${optionalString v.createHome "createhomedir -cu '${v.name}'"}
if [[ -n "$u" && "$u" -ne "${toString v.uid}" ]]; then
echo "warning: existing user '${v.name}' has unexpected uid $u, skipping..." >&2
else
if [ "$u" -ne ${toString v.uid} ]; then
echo "warning: existing user '${v.name}' has unexpected uid $u, skipping..." >&2
if [ -z "$u" ]; then
echo "creating user ${v.name}..." >&2
dscl . -create '/Users/${v.name}' UniqueID ${toString v.uid}
dscl . -create '/Users/${v.name}' PrimaryGroupID ${toString v.gid}
dscl . -create '/Users/${v.name}' IsHidden ${if v.isHidden then "1" else "0"}
dscl . -create '/Users/${v.name}' RealName '${v.description}'
dscl . -create '/Users/${v.name}' NFSHomeDirectory '${v.home}'
${optionalString v.createHome "createhomedir -cu '${v.name}'"}
fi
# Always set the shell path, in case it was updated
dscl . -create '/Users/${v.name}' UserShell ${lib.escapeShellArg (shellPath v.shell)}
fi
'') createdUsers}

3
tests/users-groups.nix
View file

@ -16,7 +16,7 @@
users.users.foo.isHidden = false;
users.users.foo.home = "/Users/foo";
users.users.foo.createHome = true;
users.users.foo.shell = "/run/current-system/sw/bin/bash";
users.users.foo.shell = pkgs.bashInteractive;
users.users."created.user".uid = 42001;
users.users."unknown.user".uid = 42002;
@ -48,6 +48,7 @@
grep "dscl . -create '/Users/foo' NFSHomeDirectory '/Users/foo'" ${config.out}/activate
grep "dscl . -create '/Users/foo' UserShell '/run/current-system/sw/bin/bash'" ${config.out}/activate
grep "dscl . -create '/Users/created.user' UniqueID 42001" ${config.out}/activate
grep "dscl . -create '/Users/created.user' UserShell '/sbin/nologin'" ${config.out}/activate
grep "createhomedir -cu 'foo'" ${config.out}/activate
grep -qv "dscl . -delete '/Groups/created.user'" ${config.out}/activate