40 lines
777 B
C++
40 lines
777 B
C++
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#pragma once
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#include "types.hh"
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namespace nix {
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struct UserLock
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{
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virtual ~UserLock() { }
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/* Get the first and last UID. */
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virtual std::pair<uid_t, uid_t> getUIDRange() = 0;
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/* Get the first UID. */
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uid_t getUID()
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{
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return getUIDRange().first;
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}
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uid_t getUIDCount()
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{
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return getUIDRange().second - getUIDRange().first + 1;
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}
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virtual gid_t getGID() = 0;
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virtual std::vector<gid_t> getSupplementaryGIDs() = 0;
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/* Kill any processes currently executing as this user. */
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virtual void kill() = 0;
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virtual std::optional<Path> getCgroup() { return {}; };
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};
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/* Acquire a user lock. Note that this may return nullptr if no user
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is available. */
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std::unique_ptr<UserLock> acquireUserLock();
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}
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