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/*
* X.509 Certificate Store Searching
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#include <botan/x509find.h>
#include <botan/charset.h>
#include <algorithm>
namespace Botan {
namespace {
/*
* Compare based on case-insensive substrings
*/
bool substring_match(const std::string& searching_for,
const std::string& found)
{
if(std::search(found.begin(), found.end(), searching_for.begin(),
searching_for.end(), Charset::caseless_cmp) != found.end())
return true;
return false;
}
/*
* Compare based on case-insensive match
*/
bool ignore_case(const std::string& searching_for, const std::string& found)
{
if(searching_for.size() != found.size())
return false;
return std::equal(found.begin(), found.end(),
searching_for.begin(), Charset::caseless_cmp);
}
}
/*
* Search based on the contents of a DN entry
*/
bool DN_Check::match(const X509_Certificate& cert) const
{
std::vector<std::string> info = cert.subject_info(dn_entry);
for(u32bit j = 0; j != info.size(); ++j)
if(compare(info[j], looking_for))
return true;
return false;
}
/*
* DN_Check Constructor
*/
DN_Check::DN_Check(const std::string& dn_entry, const std::string& looking_for,
compare_fn func)
{
this->dn_entry = dn_entry;
this->looking_for = looking_for;
compare = func;
}
/*
* DN_Check Constructor
*/
DN_Check::DN_Check(const std::string& dn_entry, const std::string& looking_for,
Search_Type method)
{
this->dn_entry = dn_entry;
this->looking_for = looking_for;
if(method == SUBSTRING_MATCHING)
compare = &substring_match;
else if(method == IGNORE_CASE)
compare = &ignore_case;
else
throw Invalid_Argument("Unknown method argument to DN_Check()");
}
/*
* Match by issuer and serial number
*/
bool IandS_Match::match(const X509_Certificate& cert) const
{
if(cert.serial_number() != serial)
return false;
return (cert.issuer_dn() == issuer);
}
/*
* IandS_Match Constructor
*/
IandS_Match::IandS_Match(const X509_DN& issuer,
const MemoryRegion<byte>& serial)
{
this->issuer = issuer;
this->serial = serial;
}
/*
* Match by subject key identifier
*/
bool SKID_Match::match(const X509_Certificate& cert) const
{
return (cert.subject_key_id() == skid);
}
}
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