mirror of
https://github.com/trapexit/mergerfs.git
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b18aba86b6
* Remove python dependency * Remove ecfd * Improve makefiles * Make preload.so more 32bit compatible
108 lines
2.5 KiB
C++
108 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 "fuse_rmdir.hpp"
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#include "config.hpp"
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#include "errno.hpp"
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#include "error.hpp"
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#include "fs_path.hpp"
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#include "fs_rmdir.hpp"
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#include "fs_unlink.hpp"
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#include "ugid.hpp"
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#include "fuse.h"
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#include <string>
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#include <unistd.h>
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using std::string;
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using std::vector;
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static
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int
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_should_unlink(int rv_,
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FollowSymlinks followsymlinks_)
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{
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return ((rv_ == -ENOTDIR) &&
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(followsymlinks_ != FollowSymlinks::ENUM::NEVER));
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}
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static
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int
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_rmdir_core(const string &basepath_,
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const char *fusepath_,
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const FollowSymlinks followsymlinks_)
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{
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int rv;
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string fullpath;
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fullpath = fs::path::make(basepath_,fusepath_);
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rv = fs::rmdir(fullpath);
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if(::_should_unlink(rv,followsymlinks_))
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rv = fs::unlink(fullpath);
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return rv;
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}
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static
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int
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_rmdir_loop(const std::vector<Branch*> &branches_,
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const char *fusepath_,
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const FollowSymlinks followsymlinks_)
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{
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Err err;
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for(const auto &branch : branches_)
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{
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err = ::_rmdir_core(branch->path,fusepath_,followsymlinks_);
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}
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return err;
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}
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static
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int
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_rmdir(const Policy::Action &actionFunc_,
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const Branches &branches_,
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const FollowSymlinks followsymlinks_,
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const char *fusepath_)
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{
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int rv;
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std::vector<Branch*> branches;
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rv = actionFunc_(branches_,fusepath_,branches);
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if(rv < 0)
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return rv;
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return ::_rmdir_loop(branches,fusepath_,followsymlinks_);
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}
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int
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FUSE::rmdir(const char *fusepath_)
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{
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Config::Read cfg;
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const fuse_context *fc = fuse_get_context();
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const ugid::Set ugid(fc->uid,fc->gid);
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return ::_rmdir(cfg->func.rmdir.policy,
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cfg->branches,
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cfg->follow_symlinks,
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fusepath_);
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}
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