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/*
* OID Registry
* (C) 1999-2008,2013 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/oids.h>
#include <botan/mutex.h>
namespace Botan {
namespace {
class OID_Map final
{
public:
void add_oid(const OID& oid, const std::string& str)
{
add_str2oid(oid, str);
add_oid2str(oid, str);
}
void add_str2oid(const OID& oid, const std::string& str)
{
lock_guard_type<mutex_type> lock(m_mutex);
auto i = m_str2oid.find(str);
if(i == m_str2oid.end())
m_str2oid.insert(std::make_pair(str, oid));
}
void add_oid2str(const OID& oid, const std::string& str)
{
const std::string oid_str = oid.to_string();
lock_guard_type<mutex_type> lock(m_mutex);
auto i = m_oid2str.find(oid_str);
if(i == m_oid2str.end())
m_oid2str.insert(std::make_pair(oid_str, str));
}
std::string oid2str(const OID& oid)
{
const std::string oid_str = oid.to_string();
lock_guard_type<mutex_type> lock(m_mutex);
auto i = m_oid2str.find(oid_str);
if(i != m_oid2str.end())
return i->second;
return "";
}
OID str2oid(const std::string& str)
{
lock_guard_type<mutex_type> lock(m_mutex);
auto i = m_str2oid.find(str);
if(i != m_str2oid.end())
return i->second;
return OID();
}
bool have_oid(const std::string& str)
{
lock_guard_type<mutex_type> lock(m_mutex);
return m_str2oid.find(str) != m_str2oid.end();
}
static OID_Map& global_registry()
{
static OID_Map g_map;
return g_map;
}
private:
OID_Map()
{
m_str2oid = OIDS::load_str2oid_map();
m_oid2str = OIDS::load_oid2str_map();
}
mutex_type m_mutex;
std::unordered_map<std::string, OID> m_str2oid;
std::unordered_map<std::string, std::string> m_oid2str;
};
}
void OIDS::add_oid(const OID& oid, const std::string& name)
{
OID_Map::global_registry().add_oid(oid, name);
}
void OIDS::add_oidstr(const char* oidstr, const char* name)
{
add_oid(OID(oidstr), name);
}
void OIDS::add_oid2str(const OID& oid, const std::string& name)
{
OID_Map::global_registry().add_oid2str(oid, name);
}
void OIDS::add_str2oid(const OID& oid, const std::string& name)
{
OID_Map::global_registry().add_str2oid(oid, name);
}
std::string OIDS::oid2str_or_empty(const OID& oid)
{
return OID_Map::global_registry().oid2str(oid);
}
OID OIDS::str2oid_or_empty(const std::string& name)
{
return OID_Map::global_registry().str2oid(name);
}
std::string OIDS::oid2str_or_throw(const OID& oid)
{
const std::string s = OIDS::oid2str_or_empty(oid);
if(s.empty())
throw Lookup_Error("No name associated with OID " + oid.to_string());
return s;
}
bool OIDS::have_oid(const std::string& name)
{
return OID_Map::global_registry().have_oid(name);
}
}