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Use XDG_CONFIG_HOME to determine the path of the configuration

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Adhere to XDG Desktop Specification and use the environment variable
XDG_CONFIG_HOME to determine location of configuration files on *all*
platforms. If it is unset or empty resort to platform-specific defaults.

On Windows and OS X, `wxStandardPaths` provides correct defaults (equal
to the previous hard-coded paths) but on Linux and other Unices
`~/.config/appinfo` would be better than `~/.appinfo`. This means we
treat those platforms as a special case. It also means that we may need
to fall back to the legacy location if it exists but the new location
doesn't.
This commit is contained in:
David Foerster 2016-03-31 12:36:21 +02:00
parent 39eae0e4c3
commit 7d7c09e718
1 changed files with 88 additions and 18 deletions
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104
src/Main/Application.cpp
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@ -22,6 +22,59 @@
namespace VeraCrypt namespace VeraCrypt
{ {
namespace
{
void EnsureEndsWithPathSeparator( wxString &s )
{
const wxUniChar pathSeparator = wxFileName::GetPathSeparator();
if (s[s.size() - 1] != pathSeparator)
s.append(pathSeparator);
}
wxString *GetXdgConfigPath ()
{
wxString *configDir;
#ifdef TC_WINDOWS
const wchar_t *xdgConfig = ::_wgetenv(L"XDG_CONFIG_HOME");
#else
const char *xdgConfig = ::getenv("XDG_CONFIG_HOME");
#endif
if (xdgConfig && *xdgConfig)
{
configDir = new wxString (xdgConfig);
//wcerr << L"XDG_CONFIG_HOME=" << *configDir << endl;
EnsureEndsWithPathSeparator(*configDir);
configDir->append(Application::GetName());
}
else
{
#if !defined(TC_UNIX) || defined(TC_MACOSX) // Windows, OS X:
configDir =
new wxString (wxStandardPaths::Get().GetUserDataDir());
#else // Linux, FreeBSD, Solaris:
configDir = new wxString (wxFileName::GetHomeDir());
configDir->append(wxT("/.config/"));
configDir->append(Application::GetName());
if (!wxDirExists(*configDir))
{
wxString legacyConfigDir = wxStandardPaths::Get().GetUserDataDir();
//wcerr << L"Legacy config dir: " << legacyConfigDir << endl;
if (wxDirExists(legacyConfigDir))
{
configDir->swap(legacyConfigDir);
}
}
#endif
}
//wcerr << L"Config dir: " << *configDir << endl;
return configDir;
}
}
wxApp* Application::CreateConsoleApp () wxApp* Application::CreateConsoleApp ()
{ {
mUserInterface = new TextUserInterface; mUserInterface = new TextUserInterface;
@ -40,27 +93,44 @@ namespace VeraCrypt
FilePath Application::GetConfigFilePath (const wxString &configFileName, bool createConfigDir) FilePath Application::GetConfigFilePath (const wxString &configFileName, bool createConfigDir)
{ {
DirectoryPath configDir; static const wxString *configDirC = NULL;
static bool configDirExists = false;
if (!Core->IsInPortableMode()) if (!configDirExists)
{ {
#ifdef TC_MACOSX if (!configDirC)
wxFileName configPath (L"~/Library/Application Support/VeraCrypt"); {
configPath.Normalize(); wxString *configDir;
configDir = wstring (configPath.GetFullPath());
#else if (Core->IsInPortableMode())
wxStandardPaths& stdPaths = wxStandardPaths::Get(); {
configDir = wstring (stdPaths.GetUserDataDir()); configDir = new wxString (
#endif wxPathOnly(wxStandardPaths::Get().GetExecutablePath()));
}
else
{
configDir = GetXdgConfigPath();
}
EnsureEndsWithPathSeparator(*configDir);
configDirC = configDir;
}
if (createConfigDir)
{
if (!wxDirExists(*configDirC))
{
//wcerr << L"Creating config dir »" << *configDirC << L"« ..." << endl;
throw_sys_sub_if(
!wxMkdir(*configDirC, wxS_IRUSR | wxS_IWUSR | wxS_IXUSR),
configDirC->ToStdWstring());
}
configDirExists = true;
//wcerr << L"Config directory »" << *configDirC << L"« exists now" << endl;
}
} }
else
configDir = GetExecutableDirectory();
if (createConfigDir && !configDir.IsDirectory()) return FilePath((*configDirC + configFileName).ToStdWstring());
Directory::Create (configDir);
FilePath filePath = wstring (wxFileName (wstring (configDir), configFileName).GetFullPath());
return filePath;
} }
DirectoryPath Application::GetExecutableDirectory () DirectoryPath Application::GetExecutableDirectory ()