mirror of
https://github.com/AGWA/git-crypt.git
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6e43b2a1cd
This abstracts away the details of argument quoting, which differs between Unix and Windows. Also replace all uses of the system() library call with exec_command(). Although system() exists on Windows, it executes the command via cmd.exe, which has ridiculous escaping rules.
130 lines
3.3 KiB
C++
130 lines
3.3 KiB
C++
/*
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* Copyright 2014 Andrew Ayer
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*
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* This file is part of git-crypt.
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*
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* git-crypt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* git-crypt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with git-crypt. If not, see <http://www.gnu.org/licenses/>.
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*
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* Additional permission under GNU GPL version 3 section 7:
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*
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* If you modify the Program, or any covered work, by linking or
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* combining it with the OpenSSL project's OpenSSL library (or a
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* modified version of that library), containing parts covered by the
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* terms of the OpenSSL or SSLeay licenses, the licensors of the Program
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* grant you additional permission to convey the resulting work.
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* Corresponding Source for a non-source form of such a combination
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* shall include the source code for the parts of OpenSSL used as well
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* as that of the covered work.
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*/
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#include <io.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <windows.h>
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std::string System_error::message () const
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{
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std::string mesg(action);
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if (!target.empty()) {
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mesg += ": ";
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mesg += target;
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}
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if (error) {
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// TODO: use FormatMessage()
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}
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return mesg;
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}
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void temp_fstream::open (std::ios_base::openmode mode)
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{
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close();
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char tmpdir[MAX_PATH + 1];
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DWORD ret = GetTempPath(sizeof(tmpdir), tmpdir);
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if (ret == 0) {
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throw System_error("GetTempPath", "", GetLastError());
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} else if (ret > sizeof(tmpdir) - 1) {
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throw System_error("GetTempPath", "", ERROR_BUFFER_OVERFLOW);
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}
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char tmpfilename[MAX_PATH + 1];
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if (GetTempFileName(tmpdir, TEXT("git-crypt"), 0, tmpfilename) == 0) {
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throw System_error("GetTempFileName", "", GetLastError());
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}
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filename = tmpfilename;
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std::fstream::open(filename.c_str(), mode);
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if (!std::fstream::is_open()) {
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DeleteFile(filename.c_str());
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throw System_error("std::fstream::open", filename, 0);
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}
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}
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void temp_fstream::close ()
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{
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if (std::fstream::is_open()) {
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std::fstream::close();
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DeleteFile(filename.c_str());
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}
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}
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void mkdir_parent (const std::string& path)
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{
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std::string::size_type slash(path.find('/', 1));
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while (slash != std::string::npos) {
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std::string prefix(path.substr(0, slash));
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if (GetFileAttributes(prefix.c_str()) == INVALID_FILE_ATTRIBUTES) {
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// prefix does not exist, so try to create it
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if (!CreateDirectory(prefix.c_str(), NULL)) {
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throw System_error("CreateDirectory", prefix, GetLastError());
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}
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}
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slash = path.find('/', slash + 1);
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}
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}
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std::string our_exe_path () // TODO
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{
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return argv0;
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}
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int exec_command (const std::vector<std::string>& command) // TODO
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{
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return -1;
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}
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int exec_command (const std::vector<std::string>& command, std::ostream& output) // TODO
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{
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return -1;
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}
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int exec_command_with_input (const std::vector<std::string>& command, const char* p, size_t len) // TODO
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{
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return -1;
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}
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bool successful_exit (int status) // TODO
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{
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return status == 0;
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}
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static void init_std_streams_platform ()
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{
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_setmode(_fileno(stdin), _O_BINARY);
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_setmode(_fileno(stdout), _O_BINARY);
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}
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