/**
Recursively translate all environment variables with their actual values.
\param[in] input String to remove environment variables from.
\returns String where all environment variables have been translated.
\throws SCXRunAsConfigurationException if a loop in environmen variables is suspected.
*/
const std::wstring RunAsConfigurator::ResolveEnvVars(const std::wstring& input) const
{
static const std::wstring allowedVarNameChars(L"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_");
// We need to know when we run into an infinite loop.
int numberOfVariableSubstitutionsAllowed = 100;
std::wstring output(input);
for (std::wstring::size_type varstart = output.find(L'$');
varstart != std::wstring::npos;
varstart = output.find(L'$', varstart))
{
std::wstring variableName;
std::wstring::size_type varend;
if (L'{' == output[varstart + 1])
{
varend = output.find(L'}', varstart + 2);
if (varend == std::wstring::npos)
{
throw SCXRunAsConfigurationException(
std::wstring(L"Configuration value ")
.append(input)
.append(L" seems to be malformed. '{' and '}' are not matching."), SCXSRCLOCATION);
}
variableName = output.substr(varstart + 2, varend - 2 - varstart);
}
else
{
varend = output.find_first_not_of(allowedVarNameChars, varstart + 1);
if (varend == std::wstring::npos)
{
varend = output.size();
}
--varend; // Index of the last character in the variable name.
variableName = output.substr(varstart + 1, varend - varstart);
}
const char *variableValuePtr = ::getenv(StrToMultibyte(variableName).c_str());
if (0 == variableValuePtr)
{
output.erase(varstart, varend - varstart + 1);
}
else
{
output.replace(varstart, varend - varstart + 1, StrFromMultibyte(variableValuePtr));
}
--numberOfVariableSubstitutionsAllowed;
if (0 == numberOfVariableSubstitutionsAllowed)
{
throw SCXRunAsConfigurationException(
std::wstring(L"Configuration value ")
.append(input)
.append(L" seems to contain environment variables that form an infinite recursion loop."), SCXSRCLOCATION);
}
}
return output;
}
/**
Translate install date from string to SCXCalendarTime
Parameters: installDate - its format like Aug 04 2010 10:24
*/
void InstalledSoftwareInstance::SetInstallDate(const wstring& installDate)
{
tm installtm;
const std::string nsInstallDate = StrToMultibyte(installDate);
const char *buf = nsInstallDate.c_str();
size_t ccLength = installDate.length();
const char *bufend = buf + ccLength;
const char *format = "%b %d %Y %H:%M";
const char *ret = strptime(buf, format, &installtm);
if (ret == bufend)
{
SCXCoreLib::SCXCalendarTime instDate((scxyear)(installtm.tm_year + 1900), (scxmonth)(installtm.tm_mon + 1), (scxday)(installtm.tm_mday));
instDate.SetHour((scxhour)(installtm.tm_hour));
instDate.SetMinute((scxminute)(installtm.tm_min));
m_installDate = instDate;
}
else
{
SCX_LOGWARNING(m_log, StrAppend(L"strptime installDate fails: ", installDate));
m_installDate = SCXCalendarTime::FromPosixTime(0);
}
}
