From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001
From: Wojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>
Date: Fri, 30 Apr 2021 00:33:56 +0200
Subject: initial/final commit

---
 .../vmime/security/sasl/SASLMechanismFactory.cpp   | 149 +++++++++++++++++++++
 1 file changed, 149 insertions(+)
 create mode 100644 vmime-master/src/vmime/security/sasl/SASLMechanismFactory.cpp

(limited to 'vmime-master/src/vmime/security/sasl/SASLMechanismFactory.cpp')

diff --git a/vmime-master/src/vmime/security/sasl/SASLMechanismFactory.cpp b/vmime-master/src/vmime/security/sasl/SASLMechanismFactory.cpp
new file mode 100644
index 0000000..a2fbedb
--- /dev/null
+++ b/vmime-master/src/vmime/security/sasl/SASLMechanismFactory.cpp
@@ -0,0 +1,149 @@
+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
+//
+// This program 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; either version 3 of
+// the License, or (at your option) any later version.
+//
+// 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, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// Linking this library statically or dynamically with other modules is making
+// a combined work based on this library.  Thus, the terms and conditions of
+// the GNU General Public License cover the whole combination.
+//
+
+#include "vmime/config.hpp"
+
+
+#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_SASL_SUPPORT
+
+
+#include <stdexcept>
+#include <new>
+
+#include <gsasl.h>
+
+#include "vmime/security/sasl/SASLMechanismFactory.hpp"
+#include "vmime/security/sasl/builtinSASLMechanism.hpp"
+#include "vmime/security/sasl/SASLContext.hpp"
+
+#include "vmime/utility/stringUtils.hpp"
+
+#include "vmime/base.hpp"
+#include "vmime/exception.hpp"
+
+
+namespace vmime {
+namespace security {
+namespace sasl {
+
+
+SASLMechanismFactory::SASLMechanismFactory() {
+
+	if (gsasl_init(&m_gsaslContext) != GSASL_OK) {
+		throw std::bad_alloc();
+	}
+}
+
+
+SASLMechanismFactory::~SASLMechanismFactory() {
+
+	gsasl_done(m_gsaslContext);
+}
+
+
+// static
+SASLMechanismFactory* SASLMechanismFactory::getInstance() {
+
+	static SASLMechanismFactory instance;
+	return &instance;
+}
+
+
+shared_ptr <SASLMechanism> SASLMechanismFactory::create(
+	const shared_ptr <SASLContext>& ctx,
+	const string& name_
+) {
+
+	const string name(utility::stringUtils::toUpper(name_));
+
+	// Check for registered mechanisms
+	MapType::iterator it = m_mechs.find(name);
+
+	if (it != m_mechs.end()) {
+		return (*it).second->create(ctx, name);
+	}
+
+	// Check for built-in mechanisms
+	if (isBuiltinMechanism(name)) {
+		return make_shared <builtinSASLMechanism>(ctx, name);
+	}
+
+	throw exceptions::no_such_mechanism(name);
+	return null;
+}
+
+
+const std::vector <string> SASLMechanismFactory::getSupportedMechanisms() const {
+
+	std::vector <string> list;
+
+	// Registered mechanisms
+	for (MapType::const_iterator it = m_mechs.begin() ;
+	     it != m_mechs.end() ; ++it) {
+
+		list.push_back((*it).first);
+	}
+
+	// Built-in mechanisms
+	char* out = 0;
+
+	if (gsasl_client_mechlist(m_gsaslContext, &out) == GSASL_OK) {
+
+		// 'out' contains SASL mechanism names, separated by spaces
+		for (char *start = out, *p = out ; ; ++p) {
+
+			if (*p == ' ' || !*p) {
+
+				list.push_back(string(start, p));
+				start = p + 1;
+
+				// End of string
+				if (!*p) break;
+			}
+		}
+
+		gsasl_free(out);
+	}
+
+	return list;
+}
+
+
+bool SASLMechanismFactory::isMechanismSupported(const string& name) const {
+
+	return isBuiltinMechanism(name) || m_mechs.find(name) != m_mechs.end();
+}
+
+
+bool SASLMechanismFactory::isBuiltinMechanism(const string& name) const {
+
+	return gsasl_client_support_p(m_gsaslContext, name.c_str()) != 0;
+}
+
+
+} // sasl
+} // security
+} // vmime
+
+
+#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_SASL_SUPPORT
-- 
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