1 files changed, 172 insertions, 0 deletions
diff --git a/include/modules/ssl.h b/include/modules/ssl.h
new file mode 100644
index 000000000..a79dcc9ef
--- /dev/null
+++ b/include/modules/ssl.h
@@ -0,0 +1,172 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
+ *
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#pragma once
+
+#include <map>
+#include <string>
+
+/** ssl_cert is a class which abstracts SSL certificate
+ * and key information.
+ *
+ * Because gnutls and openssl represent key information in
+ * wildly different ways, this class allows it to be accessed
+ * in a unified manner. These classes are attached to ssl-
+ * connected local users using SSLCertExt
+ */
+class ssl_cert : public refcountbase
+{
+ public:
+	std::string dn;
+	std::string issuer;
+	std::string error;
+	std::string fingerprint;
+	bool trusted, invalid, unknownsigner, revoked;
+
+	ssl_cert() : trusted(false), invalid(true), unknownsigner(true), revoked(false) {}
+
+	/** Get certificate distinguished name
+	 * @return Certificate DN
+	 */
+	const std::string& GetDN()
+	{
+		return dn;
+	}
+
+	/** Get Certificate issuer
+	 * @return Certificate issuer
+	 */
+	const std::string& GetIssuer()
+	{
+		return issuer;
+	}
+
+	/** Get error string if an error has occured
+	 * @return The error associated with this users certificate,
+	 * or an empty string if there is no error.
+	 */
+	const std::string& GetError()
+	{
+		return error;
+	}
+
+	/** Get key fingerprint.
+	 * @return The key fingerprint as a hex string.
+	 */
+	const std::string& GetFingerprint()
+	{
+		return fingerprint;
+	}
+
+	/** Get trust status
+	 * @return True if this is a trusted certificate
+	 * (the certificate chain validates)
+	 */
+	bool IsTrusted()
+	{
+		return trusted;
+	}
+
+	/** Get validity status
+	 * @return True if the certificate itself is
+	 * correctly formed.
+	 */
+	bool IsInvalid()
+	{
+		return invalid;
+	}
+
+	/** Get signer status
+	 * @return True if the certificate appears to be
+	 * self-signed.
+	 */
+	bool IsUnknownSigner()
+	{
+		return unknownsigner;
+	}
+
+	/** Get revokation status.
+	 * @return True if the certificate is revoked.
+	 * Note that this only works properly for GnuTLS
+	 * right now.
+	 */
+	bool IsRevoked()
+	{
+		return revoked;
+	}
+
+	bool IsCAVerified()
+	{
+		return trusted && !invalid && !revoked && !unknownsigner && error.empty();
+	}
+
+	std::string GetMetaLine()
+	{
+		std::stringstream value;
+		bool hasError = !error.empty();
+		value << (IsInvalid() ? "v" : "V") << (IsTrusted() ? "T" : "t") << (IsRevoked() ? "R" : "r")
+			<< (IsUnknownSigner() ? "s" : "S") << (hasError ? "E" : "e") << " ";
+		if (hasError)
+			value << GetError();
+		else
+			value << GetFingerprint() << " " << GetDN() << " " << GetIssuer();
+		return value.str();
+	}
+};
+
+/** Get certificate from a socket (only useful with an SSL module) */
+struct SocketCertificateRequest : public Request
+{
+	StreamSocket* const sock;
+	ssl_cert* cert;
+
+	SocketCertificateRequest(StreamSocket* ss, Module* Me)
+		: Request(Me, ss->GetIOHook(), "GET_SSL_CERT"), sock(ss), cert(NULL)
+	{
+		Send();
+	}
+
+	std::string GetFingerprint()
+	{
+		if (cert)
+			return cert->GetFingerprint();
+		return "";
+	}
+};
+
+/** Get certificate from a user (requires m_sslinfo) */
+struct UserCertificateRequest : public Request
+{
+	User* const user;
+	ssl_cert* cert;
+
+	UserCertificateRequest(User* u, Module* Me, Module* info = ServerInstance->Modules->Find("m_sslinfo.so"))
+		: Request(Me, info, "GET_USER_CERT"), user(u), cert(NULL)
+	{
+		Send();
+	}
+
+	std::string GetFingerprint()
+	{
+		if (cert)
+			return cert->GetFingerprint();
+		return "";
+	}
+};