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#include "converter.hh"
#include "loggers.hh"
certificates_loader * certificates_loader::instance = nullptr;
certificates_loader::certificates_loader(): _certificateExt{".oer"}, _privateKeyExt{".vkey"}, _publicKeysExt{".vkey_pub"}, _publicCompKeysExt(".cvkey"), _privateEncKeyExt{".ekey"}, _publicEncKeysExt{".ekey_pub"}, _hashedidDigestExt{".hashedid"}, _issuerDigestExt{".issuer"}, _full_path(), _is_cache_initialized{false}, _directory_filter{".svn", "._.DS_Store", ".DS_Store"} {
loggers::get_instance().log(">>> certificates_loader::certificates_loader");
int certificates_loader::build_path(const std::string& p_root_directory) {
loggers::get_instance().log(">>> certificates_loader::build_path: '%s'", p_root_directory.c_str());
// Build full path
if (!p_root_directory.empty()) {
_full_path = p_root_directory;
if (!std::experimental::filesystem::exists(_full_path) || !std::experimental::filesystem::is_directory(_full_path)) { // FIXME Coredump when app hasn't the rights to create the directory!!!!
// Create directory
if (!std::experimental::filesystem::create_directory(_full_path)) {
_full_path = "./";
} else { // Set rights for all users
std::experimental::filesystem::permissions(_full_path, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
std::experimental::filesystem::canonical(_full_path);
loggers::get_instance().log("certificates_loader::build_path: full path: %s", _full_path.string().c_str());
if (!std::experimental::filesystem::exists(_full_path)) {
loggers::get_instance().warning("certificates_loader::build_path: Invalid path");
_full_path.clear();
return -1;
}
return 0;
} // End of method build_path
int certificates_loader::load_certificates(std::map<std::string, std::unique_ptr<security_db_record> >& p_certificates, std::map<std::vector<unsigned char>, std::string>& p_hashed_id8s) {
loggers::get_instance().log(">>> certificates_loader::load_certificates");
// Sanity check
if (_is_cache_initialized) {
return 0;
}
std::set<std::experimental::filesystem::path> files;
loggers::get_instance().warning("certificates_loader::load_certificates: Failed to build the list of certificate files");
if (build_certificates_cache(files, p_certificates, p_hashed_id8s) == -1) {
loggers::get_instance().warning("certificates_loader::load_certificates: Failed to build the certificate cache");
return -1;
}
_is_cache_initialized = true;
return 0;
} // End of method load_certificates
int certificates_loader::retrieve_certificates_list(std::set<std::experimental::filesystem::path>& p_files) {
loggers::get_instance().log(">>> certificates_loader::retrieve_certificates_list");
// Walk through directories
std::set<std::experimental::filesystem::path> folders;
for (const std::experimental::filesystem::directory_entry it : std::experimental::filesystem::recursive_directory_iterator(_full_path.string())) {
//loggers::get_instance().log("certificates_loader::retrieve_certificates_list: Processing directory '%s'", it.path().string().c_str());
if (std::experimental::filesystem::is_directory(it)) {
std::set<std::string>::const_iterator i = _directory_filter.find(it.path().filename());
if (i != _directory_filter.cend()) {
//loggers::get_instance().log("certificates_loader::retrieve_certificates_list: Exclude directory '%s'", it.path().string().c_str());
//loggers::get_instance().log("certificates_loader::retrieve_certificates_list: Add directory '%s'", it.path().string().c_str());
folders.insert(it.path());
}
} // End of 'for' statement
if (folders.size() == 0) {
loggers::get_instance().warning("certificates_loader::retrieve_certificates_list: No folder after filtering");
std::set<std::string> extensions_filter{ _certificateExt, _privateKeyExt, _publicKeysExt, _publicCompKeysExt, _privateEncKeyExt, _publicEncKeysExt, _hashedidDigestExt, _issuerDigestExt };
for (std::set<std::experimental::filesystem::path>::const_reverse_iterator f = folders.crbegin(); f != folders.crend(); ++f) {
//loggers::get_instance().log("certificates_loader::retrieve_certificates_list: Processing directory '%s'", f->string().c_str());
for(const std::experimental::filesystem::directory_entry it : std::experimental::filesystem::recursive_directory_iterator(*f)) {
//loggers::get_instance().log("certificates_loader::retrieve_certificates_list: Processing file '%s'", it.path().filename().string().c_str());
if (std::experimental::filesystem::is_regular_file(it)) {
//loggers::get_instance().log("certificates_loader::retrieve_certificates_list: Check extension '%s'", it.path().extension().string().c_str());
std::set<std::string>::const_iterator i = extensions_filter.find(it.path().extension().string());
if (i != extensions_filter.cend()) {
//loggers::get_instance().log("certificates_loader::retrieve_certificates_list: Add file '%s'", it.path().filename().string().c_str());
p_files.insert(it);
}
}
} // End of 'for' statement
} // End of 'for' statement
//loggers::get_instance().log("certificates_loader::retrieve_certificates_list: # of files to cache: %d", p_files.size());
if (p_files.size() == 0) {
loggers::get_instance().warning("certificates_loader::retrieve_certificates_list: No certificate found");
return -1;
}
return 0;
} // End of method retrieve_certificates_list
int certificates_loader::build_certificates_cache(std::set<std::experimental::filesystem::path>& p_files, std::map<std::string, std::unique_ptr<security_db_record> >& p_certificates, std::map<std::vector<unsigned char>, std::string>& p_hashed_id8s) {
loggers::get_instance().log(">>> certificates_loader::build_certificates_cache");
std::set<std::experimental::filesystem::path>::const_iterator it = p_files.cbegin();
do {
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching '%s'", it->string().c_str());
std::experimental::filesystem::path p = *it;
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Key = '%s'", key.c_str());
// Load certificate file
it = p_files.find(p.replace_extension(_certificateExt));
if (it == p_files.cend()) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Certificate file not found for '%s'", key.c_str());
return -1;
}
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching certificate '%s'", it->string().c_str());
std::ifstream is(it->string(), ios::in | ios::binary);
std::vector<unsigned char> certificate(std::experimental::filesystem::file_size(*it), 0x00);
is.read(reinterpret_cast<char *>(certificate.data()), certificate.size());
is.close();
// Remove items from the list
p_files.erase(it);
// Load private key file
it = p_files.find(p.replace_extension(_privateKeyExt));
if (it == p_files.cend()) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Private keys file not found for '%s'", key.c_str());
return -1;
}
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching private keys '%s'", it->string().c_str());
is.open(it->string(), ios::in | ios::binary);
int size = std::experimental::filesystem::file_size(*it);
if ((size != 32) && (size != 48)) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Private key size is incorrect for '%s'", key.c_str());
return -1;
}
std::vector<unsigned char> private_key(size, 0x00);
is.read(reinterpret_cast<char *>(private_key.data()), private_key.size());
is.close();
// Remove items from the list
p_files.erase(it);
// Load public keys file
it = p_files.find(p.replace_extension(_publicKeysExt));
if (it == p_files.cend()) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Public keys file not found for '%s'", key.c_str());
return -1;
}
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching public keys '%s'", it->string().c_str());
size = std::experimental::filesystem::file_size(*it);
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Public keys size is incorrect for '%s'", key.c_str());
return -1;
}
std::vector<unsigned char> public_key_x(size / 2, 0x00);
is.read(reinterpret_cast<char *>(public_key_x.data()), public_key_x.size());
std::vector<unsigned char> public_key_y(size / 2, 0x00);
is.read(reinterpret_cast<char *>(public_key_y.data()), public_key_y.size());
is.close();
// Remove items from the list
p_files.erase(it);
// Load public compressed key file
it = p_files.find(p.replace_extension(_publicCompKeysExt));
if (it == p_files.cend()) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Public compress key file not found for '%s'", key.c_str());
return -1;
}
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching public compressed ke '%s'", it->string().c_str());
is.open(it->string(), ios::in | ios::binary);
size = std::experimental::filesystem::file_size(*it);
if ((size != 33) && (size != 49)) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Public compressed key size is incorrect for '%s'", key.c_str());
return -1;
}
std::vector<unsigned char> public_comp_key(size, 0x00);
is.read(reinterpret_cast<char *>(public_comp_key.data()), public_comp_key.size());
is.close();
// Remove items from the list
p_files.erase(it);
// Load private encryption key file if present
std::vector<unsigned char> private_enc_key;
it = p_files.find(p.replace_extension(_privateEncKeyExt));
if (it != p_files.cend()) {
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching private encryption keys '%s'", it->string().c_str());
is.open(it->string(), ios::in | ios::binary);
int size = std::experimental::filesystem::file_size(*it);
if (size != 32) { // IEEE Std 1609.2 2017: NistP256 or BrainpoolP256r1
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Private encryption key size is incorrect for '%s'", key.c_str());
return -1;
}
private_enc_key.resize(size, 0x00);
is.read(reinterpret_cast<char *>(private_enc_key.data()), private_enc_key.size());
is.close();
// Remove items from the list
p_files.erase(it);
}
// Load public encryption key file
std::vector<unsigned char> public_enc_key_x;
std::vector<unsigned char> public_enc_key_y;
it = p_files.find(p.replace_extension(_publicEncKeysExt));
if (it != p_files.cend()) {
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching public encryption keys '%s'", it->string().c_str());
is.open(it->string(), ios::in | ios::binary);
size = std::experimental::filesystem::file_size(*it);
if (size != 64) { // IEEE Std 1609.2 2017: NistP256 or BrainpoolP256r1
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Public encryption keys size is incorrect for '%s'", key.c_str());
return -1;
}
public_enc_key_x.resize(size / 2, 0x00);
is.read(reinterpret_cast<char *>(public_enc_key_x.data()), public_enc_key_x.size());
public_enc_key_y.resize(size / 2, 0x00);
is.read(reinterpret_cast<char *>(public_enc_key_y.data()), public_enc_key_y.size());
is.close();
// Remove items from the list
p_files.erase(it);
}
// Load issuer
it = p_files.find(p.replace_extension(_issuerDigestExt));
if (it == p_files.cend()) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Issuer keys file not found for '%s'", key.c_str());
return -1;
}
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching issuer keys '%s'", it->string().c_str());
is.open(it->string(), ios::in | ios::binary);
size = std::experimental::filesystem::file_size(*it);
if (size != 8) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Issuer keys file not found for '%s'", key.c_str());
return -1;
}
std::vector<unsigned char> issuer(size, 0x00);
is.read(reinterpret_cast<char *>(issuer.data()), issuer.size());
is.close();
// Remove items from the list
p_files.erase(it);
// Load hashed_id
it = p_files.find(p.replace_extension(_hashedidDigestExt));
if (it == p_files.cend()) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Hashed_Id keys file not found for '%s'", key.c_str());
return -1;
}
//loggers::get_instance().log("certificates_loader::build_certificates_cache: Caching hashed_id keys '%s'", it->string().c_str());
is.open(it->string(), ios::in | ios::binary);
size = std::experimental::filesystem::file_size(*it);
if (size != 8) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Hashed_Id keys file not found for '%s'", key.c_str());
return -1;
}
std::vector<unsigned char> hashed_id(size, 0x00);
is.read(reinterpret_cast<char *>(hashed_id.data()), hashed_id.size());
is.close();
// Remove items from the list
p_files.erase(it);
IEEE1609dot2::CertificateBase decoded_certificate;
OCTETSTRING os(certificate.size(), certificate.data());
codec.decode(os, decoded_certificate);
//loggers::get_instance().log_msg("certificates_loader::build_certificates_cache: Decoded certificate: ", decoded_certificate);
p_certificates.insert(std::pair<const std::string, std::unique_ptr<security_db_record> >(key, std::unique_ptr<security_db_record>(
new security_db_record(
key,
certificate, // Certificate
public_key_x, // public keys X-coordinate
public_key_y, // public keys Y-coordinate
public_comp_key, // public compressed key, 33 or 49 bytes length, byte #0 indicating compressed-y-0 (0x02) or compressed-y-1 (0x03)
private_enc_key, // Private enciption key
public_enc_key_x, // Public enciption key X-coordinate
public_enc_key_y // Public enciption key Y-coordinate
std::map<std::string, std::unique_ptr<security_db_record> >::const_iterator i = p_certificates.find(key);
if (i == p_certificates.cend()) {
loggers::get_instance().warning("certificates_loader::build_certificates_cache: Failed to insert new record '%s'", key.c_str());
return -1;
}
p_hashed_id8s.insert(std::pair<std::vector<unsigned char>, std::string>(i->second.get()->hashed_id(), i->first));
// Reset pointer
it = p_files.cbegin();
} while (it != p_files.cend());
return 0;
} // End of method build_certificates_cache
int certificates_loader::save_certificate(const security_db_record& p_certificate) {
loggers::get_instance().log(">>> certificates_loader::save_certificate");
// Certificate file
std::experimental::filesystem::path p(_full_path);
p /= p_certificate.certificate_id();
if (std::experimental::filesystem::exists(p)) {
std::experimental::filesystem::remove(p);
}
loggers::get_instance().log("certificates_loader::save_certificate: Certificate file: '%s'", p.string().c_str());
std::ofstream os(p.string(), ios::out | ios::binary);
os.write(reinterpret_cast<const char *>(p_certificate.certificate().data()), p_certificate.certificate().size());
os.close();
std::experimental::filesystem::permissions(p, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
// Private key
p = _full_path;
p /= p_certificate.certificate_id();
if (std::experimental::filesystem::exists(p)) {
std::experimental::filesystem::remove(p);
}
loggers::get_instance().log("certificates_loader::save_certificate: Private key file: '%s'", p.string().c_str());
os.open(p.string(), ios::out | ios::binary);
os.write(reinterpret_cast<const char *>(p_certificate.private_key().data()), p_certificate.private_key().size());
os.close();
std::experimental::filesystem::permissions(p, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
// Public keys
p = _full_path;
p /= p_certificate.certificate_id();
p += _publicKeysExt;
if (std::experimental::filesystem::exists(p)) {
std::experimental::filesystem::remove(p);
}
loggers::get_instance().log("certificates_loader::save_certificate: Public keys file: '%s'", p.string().c_str());
os.open(p.string(), ios::out | ios::binary);
os.write(reinterpret_cast<const char *>(p_certificate.public_key_x().data()), p_certificate.public_key_x().size());
os.write(reinterpret_cast<const char *>(p_certificate.public_key_y().data()), p_certificate.public_key_y().size());
os.close();
std::experimental::filesystem::permissions(p, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
// Public compressed key
p = _full_path;
p /= p_certificate.certificate_id();
p += _publicCompKeysExt;
if (std::experimental::filesystem::exists(p)) {
std::experimental::filesystem::remove(p);
}
loggers::get_instance().log("certificates_loader::save_certificate: Public compressed keys file: '%s'", p.string().c_str());
os.open(p.string(), ios::out | ios::binary);
os.write(reinterpret_cast<const char *>(p_certificate.public_comp_key().data()), p_certificate.public_comp_key().size());
os.close();
std::experimental::filesystem::permissions(p, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
// Private encryption key
if (p_certificate.private_enc_key().size() != 0) {
p = _full_path;
p /= p_certificate.certificate_id();
p += _privateEncKeyExt;
if (std::experimental::filesystem::exists(p)) {
std::experimental::filesystem::remove(p);
}
loggers::get_instance().log("certificates_loader::save_certificate: Private encryption key file: '%s'", p.string().c_str());
os.open(p.string(), ios::out | ios::binary);
os.write(reinterpret_cast<const char *>(p_certificate.private_enc_key().data()), p_certificate.private_enc_key().size());
os.close();
std::experimental::filesystem::permissions(p, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
// Public encription keys
p = _full_path;
p /= p_certificate.certificate_id();
p += _publicEncKeysExt;
if (std::experimental::filesystem::exists(p)) {
std::experimental::filesystem::remove(p);
}
loggers::get_instance().log("certificates_loader::save_certificate: Public encryption keys file: '%s'", p.string().c_str());
os.open(p.string(), ios::out | ios::binary);
os.write(reinterpret_cast<const char *>(p_certificate.public_enc_key_x().data()), p_certificate.public_enc_key_x().size());
os.write(reinterpret_cast<const char *>(p_certificate.public_enc_key_y().data()), p_certificate.public_enc_key_y().size());
os.close();
std::experimental::filesystem::permissions(p, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
}
// Issuer
p = _full_path;
p /= p_certificate.certificate_id();
p += _issuerDigestExt;
if (std::experimental::filesystem::exists(p)) {
std::experimental::filesystem::remove(p);
}
loggers::get_instance().log("certificates_loader::save_certificate: Issuer digest file: '%s'", p.string().c_str());
os.open(p.string(), ios::out | ios::binary);
os.write(reinterpret_cast<const char *>(p_certificate.issuer().data()), p_certificate.issuer().size());
os.close();
std::experimental::filesystem::permissions(p, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
// Hashedid8
p = _full_path;
p /= p_certificate.certificate_id();
p += _hashedidDigestExt;
if (std::experimental::filesystem::exists(p)) {
std::experimental::filesystem::remove(p);
}
loggers::get_instance().log("certificates_loader::save_certificate: Hashedid8 digest file: '%s'", p.string().c_str());
os.open(p.string(), ios::out | ios::binary);
os.write(reinterpret_cast<const char *>(p_certificate.hashed_id().data()), p_certificate.hashed_id().size());
os.close();
std::experimental::filesystem::permissions(p, std::experimental::filesystem::perms::add_perms | std::experimental::filesystem::perms::owner_all | std::experimental::filesystem::perms::group_all | std::experimental::filesystem::perms::others_all);
} // End of method save_certificate