本文整理汇总了C++中anope::string::data方法的典型用法代码示例。如果您正苦于以下问题：C++ string::data方法的具体用法？C++ string::data怎么用？C++ string::data使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类anope::string的用法示例。
在下文中一共展示了string::data方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: ProcessMessage
void ProcessMessage(SASL::Session *session, const SASL::Message &m) override
{
DHAESSession *sess = anope_dynamic_static_cast<DHAESSession *>(session);
if (!sess->dh)
{
sasl->SendMessage(sess, "D", "A");
delete sess;
return;
}
if (m.type == "S")
{
// Format: [ss]<p>[ss]<g>[ss]<pub_key>
// Where ss is a unsigned short with the size of the key
const BIGNUM* dhval[] = { sess->dh->p, sess->dh->g, sess->dh->pub_key };
// Find the size of our buffer - initialized at 6 because of string size data
size_t size = 6;
for (size_t i = 0; i < 3; i++)
size += BN_num_bytes(dhval[i]);
// Fill in the DH data
std::vector<unsigned char> buffer(size);
for (size_t i = 0, pos = 0; i < 3; i++)
{
*reinterpret_cast<uint16_t*>(&buffer[pos]) = htons(BN_num_bytes(dhval[i]));
pos += 2;
BN_bn2bin(dhval[i], &buffer[pos]);
pos += BN_num_bytes(dhval[i]);
}
Anope::string encoded;
Anope::B64Encode(Anope::string(buffer.begin(), buffer.end()), encoded);
sasl->SendMessage(sess, "C", encoded);
}
else if (m.type == "C")
{
// Make sure we have some data - actual size check is done later
if (m.data.length() < 10)
return Err(sess);
// Format: [ss]<key>[ss]<iv>[ss]<encrypted>
// <encrypted> = <username>\0<password>\0
Anope::string decoded;
Anope::B64Decode(m.data, decoded);
// Make sure we have an IV and at least one encrypted block
if ((decoded.length() < keysize + 2 + (AES_BLOCK_SIZE * 2)) || ((decoded.length() - keysize - 2) % AES_BLOCK_SIZE))
return Err(sess);
const unsigned char* data = reinterpret_cast<const unsigned char*>(decoded.data());
// Control the size of the key
if (ntohs(*reinterpret_cast<const uint16_t*>(&data[0])) != keysize)
return Err(sess);
// Convert pubkey from binary
size_t pos = 2;
BIGNUM* pubkey = BN_bin2bn(&data[pos], keysize, NULL);
if (!pubkey)
return Err(sess);
// Find shared key
std::vector<unsigned char> secretkey(keysize);
if (DH_compute_key(&secretkey[0], pubkey, sess->dh) != static_cast<int>(keysize))
return Err(sess, pubkey);
// Set decryption key
AES_KEY AESKey;
AES_set_decrypt_key(&secretkey[0], keysize * 8, &AESKey);
// Fetch IV
pos += keysize;
std::vector<unsigned char> IV(data + pos, data + pos + AES_BLOCK_SIZE);
// Find encrypted blocks, and decrypt
pos += AES_BLOCK_SIZE;
size_t size = decoded.length() - pos;
std::vector<char> decrypted(size + 2, 0);
AES_cbc_encrypt(&data[pos], reinterpret_cast<unsigned char*>(&decrypted[0]), size, &AESKey, &IV[0], AES_DECRYPT);
std::string username = &decrypted[0];
std::string password = &decrypted[username.length() + 1];
if (username.empty() || password.empty() || !IRCD->IsNickValid(username) || password.find_first_of("\r\n") != Anope::string::npos)
return Err(sess, pubkey);
SASL::IdentifyRequest* req = new SASL::IdentifyRequest(this->owner, m.source, username, password);
Event::OnCheckAuthentication(&Event::CheckAuthentication::OnCheckAuthentication, nullptr, req);
req->Dispatch();
BN_free(pubkey);
}
}