diff options
Diffstat (limited to 'src/libstore/lock.cc')
| -rw-r--r-- | src/libstore/lock.cc | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/libstore/lock.cc b/src/libstore/lock.cc index 4fad3bfd2..3b93979a8 100644 --- a/src/libstore/lock.cc +++ b/src/libstore/lock.cc @@ -109,22 +109,18 @@ struct AutoUserLock : UserLock { AutoCloseFD fdUserLock; uid_t firstUid = 0; + gid_t firstGid = 0; uid_t nrIds = 1; uid_t getUID() override { assert(firstUid); return firstUid; } gid_t getUIDCount() override { return nrIds; } - gid_t getGID() override - { - // We use the same GID ranges as for the UIDs. - assert(firstUid); - return firstUid; - } + gid_t getGID() override { assert(firstGid); return firstGid; } std::vector<gid_t> getSupplementaryGIDs() override { return {}; } - static std::unique_ptr<UserLock> acquire(uid_t nrIds) + static std::unique_ptr<UserLock> acquire(uid_t nrIds, bool useChroot) { settings.requireExperimentalFeature(Xp::AutoAllocateUids); assert(settings.startId > 0); @@ -154,6 +150,14 @@ struct AutoUserLock : UserLock auto lock = std::make_unique<AutoUserLock>(); lock->fdUserLock = std::move(fd); lock->firstUid = settings.startId + i * maxIdsPerBuild; + if (useChroot) + lock->firstGid = lock->firstUid; + else { + struct group * gr = getgrnam(settings.buildUsersGroup.get().c_str()); + if (!gr) + throw Error("the group '%s' specified in 'build-users-group' does not exist", settings.buildUsersGroup); + lock->firstGid = gr->gr_gid; + } lock->nrIds = nrIds; return lock; } @@ -163,10 +167,10 @@ struct AutoUserLock : UserLock } }; -std::unique_ptr<UserLock> acquireUserLock(uid_t nrIds) +std::unique_ptr<UserLock> acquireUserLock(uid_t nrIds, bool useChroot) { if (settings.autoAllocateUids) - return AutoUserLock::acquire(nrIds); + return AutoUserLock::acquire(nrIds, useChroot); else return SimpleUserLock::acquire(); } |