bool NntpConnection::AuthInfoPass(int recur)
{
if (recur > 10)
{
return false;
}
WriteLine(BString<1024>("AUTHINFO PASS %s\r\n", m_newsServer->GetPassword()));
char* answer = ReadLine(m_lineBuf, m_lineBuf.Size(), nullptr);
if (!answer)
{
ReportErrorAnswer("Authorization failed for %s (%s): Connection closed by remote host", nullptr);
return false;
}
else if (!strncmp(answer, "2", 1))
{
debug("Authorization for %s successful", GetHost());
return true;
}
else if (!strncmp(answer, "381", 3))
{
return AuthInfoPass(++recur);
}
if (char* p = strrchr(answer, '\r')) *p = '\0'; // remove last CRLF from error message
if (GetStatus() != csCancelled)
{
ReportErrorAnswer("Authorization for %s (%s) failed: %s", answer);
}
return false;
}
bool NNTPConnection::AuthInfoUser(int iRecur)
{
if (iRecur > 10)
{
return false;
}
char tmp[1024];
snprintf(tmp, 1024, "AUTHINFO USER %s\r\n", m_pNewsServer->GetUser());
tmp[1024-1] = '\0';
WriteLine(tmp);
char* answer = ReadLine(m_szLineBuf, CONNECTION_LINEBUFFER_SIZE, NULL);
if (!answer)
{
ReportErrorAnswer("Authorization for server%i (%s) failed: Connection closed by remote host", NULL);
return false;
}
if (!strncmp(answer, "281", 3))
{
debug("Authorization for %s successful", GetHost());
return true;
}
else if (!strncmp(answer, "381", 3))
{
return AuthInfoPass(++iRecur);
}
else if (!strncmp(answer, "480", 3))
{
return AuthInfoUser(++iRecur);
}
if (char* p = strrchr(answer, '\r')) *p = '\0'; // remove last CRLF from error message
if (GetStatus() != csCancelled)
{
ReportErrorAnswer("Authorization for server%i (%s) failed (Answer: %s)", answer);
}
return false;
}
bool NNTPConnection::Connect()
{
debug("Opening connection to %s", GetHost());
if (m_eStatus == csConnected)
{
return true;
}
if (!Connection::Connect())
{
return false;
}
char* answer = ReadLine(m_szLineBuf, CONNECTION_LINEBUFFER_SIZE, NULL);
if (!answer)
{
ReportErrorAnswer("Connection to server%i (%s) failed: Connection closed by remote host", NULL);
Disconnect();
return false;
}
if (strncmp(answer, "2", 1))
{
ReportErrorAnswer("Connection to server%i (%s) failed (Answer: %s)", answer);
Disconnect();
return false;
}
if ((m_pNewsServer->GetUser() && strlen(m_pNewsServer->GetUser()) > 0 &&
m_pNewsServer->GetPassword() && strlen(m_pNewsServer->GetPassword()) > 0) &&
!Authenticate())
{
return false;
}
debug("Connection to %s established", GetHost());
return true;
}
bool NntpConnection::Connect()
{
debug("Opening connection to %s", GetHost());
if (m_status == csConnected)
{
return true;
}
if (!Connection::Connect())
{
return false;
}
char* answer = ReadLine(m_lineBuf, m_lineBuf.Size(), nullptr);
if (!answer)
{
ReportErrorAnswer("Connection to %s (%s) failed: Connection closed by remote host", nullptr);
Disconnect();
return false;
}
if (strncmp(answer, "2", 1))
{
ReportErrorAnswer("Connection to %s (%s) failed: %s", answer);
Disconnect();
return false;
}
if ((strlen(m_newsServer->GetUser()) > 0 && strlen(m_newsServer->GetPassword()) > 0) &&
!Authenticate())
{
return false;
}
debug("Connection to %s established", GetHost());
return true;
}
