mirror of https://github.com/oxen-io/lokinet
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
1.9 KiB
C++
77 lines
1.9 KiB
C++
#include "fs.hpp"
|
|
|
|
#include <llarp/util/logging.hpp>
|
|
#include <llarp/util/formattable.hpp>
|
|
|
|
#include <fcntl.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <system_error>
|
|
|
|
#ifdef WIN32
|
|
#include <io.h>
|
|
#else
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
namespace llarp
|
|
{
|
|
namespace util
|
|
{
|
|
static std::error_code
|
|
errno_error()
|
|
{
|
|
int e = errno;
|
|
errno = 0;
|
|
return std::make_error_code(static_cast<std::errc>(e));
|
|
}
|
|
|
|
error_code_t
|
|
EnsurePrivateFile(fs::path pathname)
|
|
{
|
|
errno = 0;
|
|
error_code_t ec = errno_error();
|
|
const auto str = pathname.string();
|
|
if (fs::exists(pathname, ec)) // file exists
|
|
{
|
|
auto st = fs::status(pathname);
|
|
auto perms = st.permissions();
|
|
if ((perms & fs::perms::others_exec) != fs::perms::none)
|
|
perms = perms ^ fs::perms::others_exec;
|
|
if ((perms & fs::perms::others_write) != fs::perms::none)
|
|
perms = perms ^ fs::perms::others_write;
|
|
if ((perms & fs::perms::others_write) != fs::perms::none)
|
|
perms = perms ^ fs::perms::others_write;
|
|
if ((perms & fs::perms::group_read) != fs::perms::none)
|
|
perms = perms ^ fs::perms::group_read;
|
|
if ((perms & fs::perms::others_read) != fs::perms::none)
|
|
perms = perms ^ fs::perms::others_read;
|
|
if ((perms & fs::perms::owner_exec) != fs::perms::none)
|
|
perms = perms ^ fs::perms::owner_exec;
|
|
|
|
fs::permissions(pathname, perms, ec);
|
|
if (ec)
|
|
llarp::LogError("failed to set permissions on ", pathname);
|
|
}
|
|
else // file is not there
|
|
{
|
|
errno = 0;
|
|
int fd = ::open(str.c_str(), O_RDWR | O_CREAT, 0600);
|
|
ec = errno_error();
|
|
if (fd != -1)
|
|
{
|
|
::close(fd);
|
|
}
|
|
}
|
|
|
|
#ifndef WIN32
|
|
if (ec)
|
|
llarp::LogError("failed to ensure ", str, ", ", ec.message());
|
|
return ec;
|
|
#else
|
|
return {};
|
|
#endif
|
|
}
|
|
} // namespace util
|
|
} // namespace llarp
|