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Added a form for entering a passphrase for a private ssh key and the corresponding logic for processing a private key

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This commit is contained in:
vladimir.kuznetsov 2023-04-02 09:09:20 +03:00
parent f6ca22ecdd
commit f3aef67be6
10 changed files with 161 additions and 8 deletions
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52
client/core/sshclient.cpp
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@ -10,18 +10,30 @@
#endif
namespace libssh {
std::function<QString()> Client::m_passphraseCallback;
Client::Client(QObject *parent) : QObject(parent)
{ }
Client::~Client()
{ }
ErrorCode Client::connectToHost(const ServerCredentials &credentials)
int Client::callback(const char *prompt, char *buf, size_t len, int echo, int verify, void *userdata)
{
auto passphrase = m_passphraseCallback();
passphrase.toStdString().copy(buf, passphrase.size() + 1);
return 0;
}
ErrorCode Client::connectToHost(const ServerCredentials &credentials, const std::function<QString()> &passphraseCallback)
{
// if (is_ssh_initialized()) {
// qDebug() << "Failed to initialize ssh";
// return ErrorCode::InternalError;
// }
m_passphraseCallback = passphraseCallback;
if (m_session == nullptr) {
m_session = ssh_new();
@ -52,10 +64,42 @@ namespace libssh {
int authResult = SSH_ERROR;
if (credentials.password.contains("BEGIN") && credentials.password.contains("PRIVATE KEY")) {
ssh_key privateKey;
ssh_pki_import_privkey_base64(credentials.password.toStdString().c_str(), nullptr, nullptr, nullptr, &privateKey);
authResult = ssh_pki_import_privkey_base64(credentials.password.toStdString().c_str(), nullptr, callback, nullptr, &privateKey);
if (authResult != SSH_OK) {
qDebug() << ssh_get_error(m_session);
return fromLibsshErrorCode(ssh_get_error_code(m_session));
}
ssh_key publicKey;
authResult = ssh_pki_export_privkey_to_pubkey(privateKey, &publicKey);
if (authResult != SSH_OK) {
qDebug() << ssh_get_error(m_session);
return fromLibsshErrorCode(ssh_get_error_code(m_session));
}
authResult = ssh_userauth_try_publickey(m_session, authUsername.c_str(), publicKey);
if (authResult != SSH_OK) {
qDebug() << ssh_get_error(m_session);
return fromLibsshErrorCode(ssh_get_error_code(m_session));
}
authResult = ssh_userauth_publickey(m_session, authUsername.c_str(), privateKey);
}
else {
if (authResult != SSH_OK) {
qDebug() << ssh_get_error(m_session);
return fromLibsshErrorCode(ssh_get_error_code(m_session));
}
char* key = new char[65535];
authResult = ssh_pki_export_privkey_base64(privateKey, nullptr, nullptr, nullptr, &key);
if (authResult != SSH_OK) {
qDebug() << ssh_get_error(m_session);
return fromLibsshErrorCode(ssh_get_error_code(m_session));
}
// credentials.decryptedPrivateKey(key);
ssh_key_free(publicKey);
ssh_key_free(privateKey);
} else {
authResult = ssh_userauth_password(m_session, authUsername.c_str(), credentials.password.toStdString().c_str());
}