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/** |
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* This file is part of the CernVM File System. |
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*/ |
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#include "publish/except.h" |
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#include "repository.h" |
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#include "util/capabilities.h" |
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#include "util/posix.h" |
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namespace publish { |
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void Env::DropCapabilities() { |
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// Because the process has file capabilities, its dumpable state is set to |
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// false, which in turn makes the /proc/self/... files owned by root. We |
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// need to reset this to have them owned by the effective UID in order to |
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// set, e.g., uid_map/gid_map of user namespaces. |
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if (!platform_set_dumpable()) |
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throw EPublish("cannot set dumpable state"); |
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const std::vector<cap_value_t> nocaps; |
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if (!ClearPermittedCapabilities(nocaps, nocaps)) |
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throw EPublish("cannot clear process capabilities"); |
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} |
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std::string Env::GetEnterSessionDir() { |
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if (SymlinkExists("/.cvmfsenter")) |
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return ResolvePath("/.cvmfsenter"); |
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return ""; |
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} |
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} // namespace publish |
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