String GetHomeDirectory() {
String r;
INTERLOCKED_(sHlock) {
String& s = sHomeDir();
if(s.IsEmpty()) {
s = Nvl(GetEnv("HOME"), "/root");
}
r = s;
}
return r;
}
CString CDir::ChangeDir(const CString& sPath, const CString& sAdd, const CString& sHome) {
CString sHomeDir(sHome);
if (sHomeDir.empty()) {
sHomeDir = CFile::GetHomePath();
}
if (sAdd == "~") {
return sHomeDir;
}
CString sAddDir(sAdd);
if (sAddDir.Left(2) == "~/") {
sAddDir.LeftChomp();
sAddDir = sHomeDir + sAddDir;
}
CString sRet = ((sAddDir.size()) && (sAddDir[0] == '/')) ? "" : sPath;
sAddDir += "/";
CString sCurDir;
if (sRet.Right(1) == "/") {
sRet.RightChomp();
}
for (unsigned int a = 0; a < sAddDir.size(); a++) {
switch (sAddDir[a]) {
case '/':
if (sCurDir == "..") {
sRet = sRet.substr(0, sRet.rfind('/'));
} else if ((sCurDir != "") && (sCurDir != ".")) {
sRet += "/" + sCurDir;
}
sCurDir = "";
break;
default:
sCurDir += sAddDir[a];
break;
}
}
return (sRet.empty()) ? "/" : sRet;
}
CString CDir::ChangeDir(const CString& sPathIn, const CString& sAddIn, const CString& sHomeIn) {
/* this function is pretty crappy but needed to fix ZNC's strange way of handling file paths */
CString sResult;
CString sPath(sPathIn);
CString sAdd(sAddIn);
CString sHomeDir(sHomeIn);
if (sHomeDir.empty())
{
// use the default home dir, if no custom home dir has been passed in.
sHomeDir = CZNC::Get().GetHomePath();
}
// we want to use backslashes for this function's inner workings.
sHomeDir.Replace("/", "\\");
sPath.Replace("/", "\\");
sAdd.Replace("/", "\\");
if (sAdd == "~")
{
// if the add dir is the home dir (why?!), use that as result...
sResult = sHomeDir;
}
else
{
if(!PathIsRelative(sAdd.c_str()))
{
// if add already is an absolute path, use it for the result...
// ... however, it can still contain ./ or ../ stuff,
// which will be resolved later.
sResult = sAdd;
}
else
{
// if the first part of the path (sPath) is relative,
// make it absolute, starting from the znc.exe directory:
if(PathIsRelative(sPath.c_str()))
{
char szLocalPath[1024] = {0};
// get the full path to znc.exe and strip off "znc.exe" from the end:
if(GetModuleFileName(NULL, szLocalPath, 1023) != 0 && szLocalPath[0])
{
PathRemoveFileSpec(szLocalPath);
if(PathIsDirectory(szLocalPath))
{
// append the relative sPath to our znc.exe dir,
// thereby making it absolute.
char szAbsolutePathBuffer[1024] = {0};
PathCombine(szAbsolutePathBuffer, szLocalPath, sPath.c_str());
// PathCombine will also resolve any ./ or ../ parts in the path.
// use the now-absolute path:
sPath = szAbsolutePathBuffer;
}
}
}
// append the (relative) sAdd path to the (absolute) sPath path:
char szAbsoluteResultBuffer[1024] = {0};
PathCombine(szAbsoluteResultBuffer, sPath.c_str(), sAdd.c_str());
sResult = szAbsoluteResultBuffer;
}
}
char szResultBuffer[1024] = {0};
// make sure no ./ or ../ stuff survives this function. never.
if(!sResult.empty() && PathCanonicalize(szResultBuffer, sResult.c_str()))
{
if(sAdd.empty() || sAdd[sAdd.length() - 1] != '\\')
{
PathRemoveBackslash(szResultBuffer);
}
else
{
PathAddBackslash(szResultBuffer);
}
sResult = szResultBuffer;
sResult.Replace("\\", "/");
return sResult;
}
else
{
abort();
return ""; // to shut up compiler warning
}
#else
CString CDir::ChangeDir(const CString& sPath, const CString& sAdd, const CString& sHome) {
CString sHomeDir(sHome);
if (sHomeDir.empty()) {
sHomeDir = CZNC::Get().GetHomePath();
}
if (sAdd == "~") {
return sHomeDir;
}
CString sAddDir(sAdd);
if (sAddDir.Left(2) == "~/") {
sAddDir.LeftChomp();
sAddDir = sHomeDir + sAddDir;
}
CString sRet = ((sAddDir.size()) && (sAddDir[0] == '/')) ? "" : sPath;
sAddDir += "/";
CString sCurDir;
if (sRet.Right(1) == "/") {
sRet.RightChomp();
}
for (unsigned int a = 0; a < sAddDir.size(); a++) {
switch (sAddDir[a]) {
case '/':
if (sCurDir == "..") {
sRet = sRet.substr(0, sRet.rfind('/'));
} else if ((sCurDir != "") && (sCurDir != ".")) {
sRet += "/" + sCurDir;
}
sCurDir = "";
break;
default:
sCurDir += sAddDir[a];
break;
}
}
return (sRet.empty()) ? "/" : sRet;
#endif
}
