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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/parsing.h>
#include <mutex>
#include <sstream>
namespace Botan {
namespace OIDS {
namespace {
class OID_Map
{
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)
{
std::lock_guard<std::mutex> 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)
{
std::lock_guard<std::mutex> lock(m_mutex);
auto i = m_oid2str.find(oid);
if(i == m_oid2str.end())
m_oid2str.insert(std::make_pair(oid, str));
}
std::string lookup(const OID& oid)
{
std::lock_guard<std::mutex> lock(m_mutex);
auto i = m_oid2str.find(oid);
if(i != m_oid2str.end())
return i->second;
return "";
}
OID lookup(const std::string& str)
{
std::lock_guard<std::mutex> lock(m_mutex);
auto i = m_str2oid.find(str);
if(i != m_str2oid.end())
return i->second;
// Try to parse as plain OID
try
{
return OID(str);
}
catch(...) {}
throw Lookup_Error("No object identifier found for " + str);
}
bool have_oid(const std::string& str)
{
std::lock_guard<std::mutex> lock(m_mutex);
return m_str2oid.find(str) != m_str2oid.end();
}
static OID_Map& global_registry()
{
static OID_Map g_map;
return g_map;
}
void read_cfg(std::istream& cfg, const std::string& source);
private:
OID_Map()
{
std::istringstream cfg(default_oid_list());
read_cfg(cfg, "builtin");
}
std::mutex m_mutex;
std::map<std::string, OID> m_str2oid;
std::map<OID, std::string> m_oid2str;
};
void OID_Map::read_cfg(std::istream& cfg, const std::string& source)
{
std::lock_guard<std::mutex> lock(m_mutex);
size_t line = 0;
while(cfg.good())
{
std::string s;
std::getline(cfg, s);
++line;
if(s.empty() || s[0] == '#')
continue;
s = clean_ws(s.substr(0, s.find('#')));
if(s.empty())
continue;
auto eq = s.find("=");
if(eq == std::string::npos || eq == 0 || eq == s.size() - 1)
throw Exception("Bad config line '" + s + "' in " + source + " line " + std::to_string(line));
const std::string oid = clean_ws(s.substr(0, eq));
const std::string name = clean_ws(s.substr(eq + 1, std::string::npos));
m_str2oid.insert(std::make_pair(name, OID(oid)));
m_oid2str.insert(std::make_pair(OID(oid), name));
}
}
}
void add_oid(const OID& oid, const std::string& name)
{
OID_Map::global_registry().add_oid(oid, name);
}
void add_oidstr(const char* oidstr, const char* name)
{
add_oid(OID(oidstr), name);
}
void add_oid2str(const OID& oid, const std::string& name)
{
OID_Map::global_registry().add_oid2str(oid, name);
}
void add_str2oid(const OID& oid, const std::string& name)
{
OID_Map::global_registry().add_str2oid(oid, name);
}
std::string lookup(const OID& oid)
{
return OID_Map::global_registry().lookup(oid);
}
OID lookup(const std::string& name)
{
return OID_Map::global_registry().lookup(name);
}
bool have_oid(const std::string& name)
{
return OID_Map::global_registry().have_oid(name);
}
bool name_of(const OID& oid, const std::string& name)
{
return (oid == lookup(name));
}
}
}
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