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Better systemd-homed user detection (fixes #913)

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Signed-off-by: AnErrupTion <anerruption@disroot.org>
This commit is contained in:
AnErrupTion
2026-01-26 20:36:44 +01:00
parent a4076b83da
commit 5bfa1670cc
2 changed files with 21 additions and 17 deletions
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16
ly-core/src/interop.zig
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@@ -79,9 +79,6 @@ fn PlatformStruct() type {
pub const vt_activate = vt.VT_ACTIVATE;
pub const vt_waitactive = vt.VT_WAITACTIVE;
const SYSTEMD_HOMED_UID_MIN = 60001;
const SYSTEMD_HOMED_UID_MAX = 60513;
pub fn setUserContextImpl(username: [*:0]const u8, entry: UsernameEntry) !void {
const status = grp.initgroups(username, @intCast(entry.gid));
if (status != 0) return error.GroupInitializationFailed;
@@ -185,19 +182,6 @@ fn PlatformStruct() type {
if (!nameFound) return error.UidNameNotFound;
// This code assumes the OS has a login.defs file with UID_MIN
// and UID_MAX values defined in it, which should be the case
// for most systemd-based Linux distributions out there.
// This should be a good enough safeguard for now, as there's
// no reliable (and clean) way to check for systemd support
if (uid_range.uid_min > SYSTEMD_HOMED_UID_MIN) {
uid_range.uid_min = SYSTEMD_HOMED_UID_MIN;
}
if (uid_range.uid_max < SYSTEMD_HOMED_UID_MAX) {
uid_range.uid_max = SYSTEMD_HOMED_UID_MAX;
}
return uid_range;
}