mirror of
https://github.com/trapexit/mergerfs.git
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69 lines
1.9 KiB
C++
69 lines
1.9 KiB
C++
/*
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ISC License
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Copyright (c) 2022, 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 "fuse_create_policy_epff.hpp"
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#include "fileinfo.hpp"
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#include "fs_acl.hpp"
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#include "fs_open.hpp"
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FUSE::CREATE::POLICY::EPFF::EPFF(const toml::value &toml_)
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: _branches(toml_)
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{
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}
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int
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FUSE::CREATE::POLICY::EPFF::operator()(const gfs::path &fusepath_,
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const mode_t mode_,
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const mode_t umask_,
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fuse_file_info_t *ffi_)
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{
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int rv;
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mode_t mode;
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gfs::path fullpath;
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mode = mode_;
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for(const auto &branch_group : _branches)
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{
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for(const auto &branch : branch_group)
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{
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fullpath = branch.path / fusepath_;
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rv = fs::acl::dir_has_defaults(fullpath);
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if(rv == -ENOENT)
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continue;
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if(rv >= 0)
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mode &= umask_;
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rv = fs::open(fullpath,ffi_->flags,mode);
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if(rv == -ENOENT)
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continue;
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if(rv < 0)
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return rv;
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ffi_->fh = reinterpret_cast<uint64_t>(new FileInfo(rv,fusepath_));
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return 0;
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}
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}
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return -ENOENT;
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}
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