mirror of https://github.com/trapexit/mergerfs.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
132 lines
3.1 KiB
132 lines
3.1 KiB
/*
|
|
Copyright (c) 2016, Antonio SJ Musumeci <trapexit@spawn.link>
|
|
|
|
Permission to use, copy, modify, and/or distribute this software for any
|
|
purpose with or without fee is hereby granted, provided that the above
|
|
copyright notice and this permission notice appear in all copies.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
|
|
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
|
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
|
|
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
|
|
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
|
|
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
|
|
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
|
*/
|
|
|
|
#include "config.hpp"
|
|
#include "errno.hpp"
|
|
#include "fs_lchmod.hpp"
|
|
#include "fs_path.hpp"
|
|
#include "policy_rv.hpp"
|
|
#include "ugid.hpp"
|
|
|
|
#include "fuse.h"
|
|
|
|
#include <string>
|
|
|
|
#include <string.h>
|
|
|
|
using std::string;
|
|
|
|
|
|
namespace l
|
|
{
|
|
static
|
|
int
|
|
get_error(const PolicyRV &prv_,
|
|
const string &basepath_)
|
|
{
|
|
for(int i = 0, ei = prv_.success.size(); i < ei; i++)
|
|
{
|
|
if(prv_.success[i].basepath == basepath_)
|
|
return prv_.success[i].rv;
|
|
}
|
|
|
|
for(int i = 0, ei = prv_.error.size(); i < ei; i++)
|
|
{
|
|
if(prv_.error[i].basepath == basepath_)
|
|
return prv_.error[i].rv;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static
|
|
void
|
|
chmod_loop_core(const string &basepath_,
|
|
const char *fusepath_,
|
|
const mode_t mode_,
|
|
PolicyRV *prv_)
|
|
{
|
|
string fullpath;
|
|
|
|
fullpath = fs::path::make(basepath_,fusepath_);
|
|
|
|
errno = 0;
|
|
fs::lchmod(fullpath,mode_);
|
|
|
|
prv_->insert(errno,basepath_);
|
|
}
|
|
|
|
static
|
|
void
|
|
chmod_loop(const StrVec &basepaths_,
|
|
const char *fusepath_,
|
|
const mode_t mode_,
|
|
PolicyRV *prv_)
|
|
{
|
|
for(size_t i = 0, ei = basepaths_.size(); i != ei; i++)
|
|
{
|
|
l::chmod_loop_core(basepaths_[i],fusepath_,mode_,prv_);
|
|
}
|
|
}
|
|
|
|
static
|
|
int
|
|
chmod(const Policy::Action &actionFunc_,
|
|
const Policy::Search &searchFunc_,
|
|
const Branches &branches_,
|
|
const char *fusepath_,
|
|
const mode_t mode_)
|
|
{
|
|
int rv;
|
|
PolicyRV prv;
|
|
StrVec basepaths;
|
|
|
|
rv = actionFunc_(branches_,fusepath_,&basepaths);
|
|
if(rv == -1)
|
|
return -errno;
|
|
|
|
l::chmod_loop(basepaths,fusepath_,mode_,&prv);
|
|
if(prv.error.empty())
|
|
return 0;
|
|
if(prv.success.empty())
|
|
return prv.error[0].rv;
|
|
|
|
basepaths.clear();
|
|
rv = searchFunc_(branches_,fusepath_,&basepaths);
|
|
if(rv == -1)
|
|
return -errno;
|
|
|
|
return l::get_error(prv,basepaths[0]);
|
|
}
|
|
}
|
|
|
|
namespace FUSE
|
|
{
|
|
int
|
|
chmod(const char *fusepath_,
|
|
mode_t mode_)
|
|
{
|
|
Config::Read cfg;
|
|
const fuse_context *fc = fuse_get_context();
|
|
const ugid::Set ugid(fc->uid,fc->gid);
|
|
|
|
return l::chmod(cfg->func.chmod.policy,
|
|
cfg->func.getattr.policy,
|
|
cfg->branches,
|
|
fusepath_,
|
|
mode_);
|
|
}
|
|
}
|