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/*
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_acl.hpp"
#include "fs_clonepath.hpp"
#include "fs_mkdir.hpp"
#include "fs_path.hpp"
#include "rv.hpp"
#include "ugid.hpp"
#include <fuse.h>
#include <string>
#include <vector>
using std::string;
using std::vector;
namespace l
{
static
int
mkdir_core(const string &fullpath_,
mode_t mode_,
const mode_t umask_)
{
if(!fs::acl::dir_has_defaults(fullpath_))
mode_ &= ~umask_;
return fs::mkdir(fullpath_,mode_);
}
static
int
mkdir_loop_core(const string &createpath_,
const char *fusepath_,
const mode_t mode_,
const mode_t umask_,
const int error_)
{
int rv;
string fullpath;
fullpath = fs::path::make(createpath_,fusepath_);
rv = l::mkdir_core(fullpath,mode_,umask_);
return error::calc(rv,error_,errno);
}
static
int
mkdir_loop(const string &existingpath_,
const vector<string> &createpaths_,
const char *fusepath_,
const string &fusedirpath_,
const mode_t mode_,
const mode_t umask_)
{
int rv;
int error;
error = -1;
for(size_t i = 0, ei = createpaths_.size(); i != ei; i++)
{
rv = fs::clonepath_as_root(existingpath_,createpaths_[i],fusedirpath_);
if(rv == -1)
error = error::calc(rv,error,errno);
else
error = l::mkdir_loop_core(createpaths_[i],
fusepath_,
mode_,
umask_,
error);
}
return -error;
}
static
int
mkdir(Policy::Func::Search searchFunc_,
Policy::Func::Create createFunc_,
const Branches &branches_,
const char *fusepath_,
const mode_t mode_,
const mode_t umask_)
{
int rv;
string fusedirpath;
vector<string> createpaths;
vector<string> existingpaths;
fusedirpath = fs::path::dirname(fusepath_);
rv = searchFunc_(branches_,fusedirpath,&existingpaths);
if(rv == -1)
return -errno;
rv = createFunc_(branches_,fusedirpath,&createpaths);
if(rv == -1)
return -errno;
return l::mkdir_loop(existingpaths[0],
createpaths,
fusepath_,
fusedirpath,
mode_,
umask_);
}
}
namespace FUSE
{
int
mkdir(const char *fusepath_,
mode_t mode_)
{
const fuse_context *fc = fuse_get_context();
const Config &config = Config::ro();
const ugid::Set ugid(fc->uid,fc->gid);
return l::mkdir(config.func.getattr.policy,
config.func.mkdir.policy,
config.branches,
fusepath_,
mode_,
fc->umask);
}
}