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82 lines
2.1 KiB
82 lines
2.1 KiB
/*
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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.h>
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#include <errno.h>
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#include <string>
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#include <vector>
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#include "config.hpp"
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#include "fs_path.hpp"
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#include "rv.hpp"
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#include "rwlock.hpp"
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#include "ugid.hpp"
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using std::string;
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using std::vector;
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using mergerfs::Policy;
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static
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int
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_chmod(Policy::Func::Action actionFunc,
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const vector<string> &srcmounts,
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const size_t minfreespace,
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const string &fusepath,
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const mode_t mode)
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{
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int rv;
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int error;
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vector<string> paths;
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rv = actionFunc(srcmounts,fusepath,minfreespace,paths);
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if(rv == -1)
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return -errno;
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error = -1;
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for(size_t i = 0, ei = paths.size(); i != ei; i++)
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{
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fs::path::append(paths[i],fusepath);
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rv = ::chmod(paths[i].c_str(),mode);
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error = calc_error(rv,error,errno);
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}
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return -error;
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}
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namespace mergerfs
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{
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namespace fuse
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{
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int
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chmod(const char *fusepath,
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mode_t mode)
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{
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const fuse_context *fc = fuse_get_context();
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const Config &config = Config::get(fc);
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const ugid::Set ugid(fc->uid,fc->gid);
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const rwlock::ReadGuard readlock(&config.srcmountslock);
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return _chmod(config.chmod,
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config.srcmounts,
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config.minfreespace,
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fusepath,
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mode);
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}
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}
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}
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