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95 lines
2.5 KiB
C++
95 lines
2.5 KiB
C++
/*
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Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "policy_ff.hpp"
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#include "ugid.hpp"
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#include "errno.hpp"
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#include "fs_exists.hpp"
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#include "fs_info.hpp"
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#include "fs_path.hpp"
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#include "policies.hpp"
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#include "policy.hpp"
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#include "policy_error.hpp"
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#include "policy_ff.hpp"
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#include <string>
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static
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int
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_create(const Branches::Ptr &ibranches_,
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std::vector<Branch*> &obranches_)
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{
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int rv;
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int error;
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fs::info_t info;
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error = ENOENT;
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for(auto &branch : *ibranches_)
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{
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if(branch.ro_or_nc())
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error_and_continue(error,EROFS);
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rv = fs::info(branch.path,&info);
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if(rv < 0)
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error_and_continue(error,ENOENT);
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if(info.readonly)
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error_and_continue(error,EROFS);
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if(info.spaceavail < branch.minfreespace())
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error_and_continue(error,ENOSPC);
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obranches_.emplace_back(&branch);
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return 0;
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}
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return -error;
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}
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int
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Policy::FF::Action::operator()(const Branches::Ptr &branches_,
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const fs::path &fusepath_,
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std::vector<Branch*> &paths_) const
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{
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return Policies::Action::epff(branches_,fusepath_,paths_);
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}
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int
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Policy::FF::Create::operator()(const Branches::Ptr &branches_,
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const fs::path &fusepath_,
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std::vector<Branch*> &paths_) const
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{
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return ::_create(branches_,paths_);
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}
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int
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Policy::FF::Search::operator()(const Branches::Ptr &branches_,
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const fs::path &fusepath_,
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std::vector<Branch*> &output_) const
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{
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for(auto &branch : *branches_)
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{
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if(!fs::exists(branch.path,fusepath_))
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continue;
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output_.emplace_back(&branch);
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return 0;
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}
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return -ENOENT;
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}
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