Replace boost-base64 with an openssl implementation

Also add unit tests

fixes #10714

lib/remote/base64.cpp

@@ -18,44 +18,50 @@
  ******************************************************************************/
 
 #include "remote/base64.hpp"
-#include <boost/archive/iterators/base64_from_binary.hpp>
+#include <openssl/bio.h>
-#include <boost/archive/iterators/binary_from_base64.hpp>
+#include <openssl/evp.h>
-#include <boost/archive/iterators/insert_linebreaks.hpp>
+#include <openssl/buffer.h>
-#include <boost/archive/iterators/transform_width.hpp>
-#include <boost/archive/iterators/ostream_iterator.hpp>
 #include <sstream>
 
 using namespace icinga;
 
-const String base64_padding[] = {"", "==", "="};
+String Base64::Encode(const String& input)
-
-String Base64::Encode(const String& data)
 {
-	typedef boost::archive::iterators::base64_from_binary <boost::archive::iterators::transform_width<const char *, 6, 8> > base64_encode;
+	BIO *biomem = BIO_new(BIO_s_mem());
+	BIO *bio64 = BIO_new(BIO_f_base64());
+	BIO_push(bio64, biomem);
+	BIO_set_flags(bio64, BIO_FLAGS_BASE64_NO_NL);
+	BIO_write(bio64, input.CStr(), input.GetLength());
+	BIO_flush(bio64);
 
-	std::ostringstream msgbuf;
+	char *outbuf;
-	std::copy(base64_encode(data.CStr()), base64_encode(data.CStr() + data.GetLength()), std::ostream_iterator<char>(msgbuf));
+	long len = BIO_get_mem_data(biomem, &outbuf);
-	msgbuf << base64_padding[data.GetLength() % 3];
+
-	return msgbuf.str();
+	String ret = String(outbuf, outbuf + len);
+	BIO_free_all(bio64);
+	
+	return ret;
 }
 
-String Base64::Decode(const String& data)
+String Base64::Decode(const String& input)
 {
-	typedef boost::archive::iterators::transform_width<boost::archive::iterators::binary_from_base64<const char *>, 8, 6> base64_decode;
+	BIO *biomem = BIO_new_mem_buf(
+	    const_cast<char*>(input.CStr()), input.GetLength());
+	BIO *bio64 = BIO_new(BIO_f_base64());
+	BIO_push(bio64, biomem);
+	BIO_set_flags(bio64, BIO_FLAGS_BASE64_NO_NL);
 
-	String::SizeType size = data.GetLength();
+	char *outbuf = new char[input.GetLength()];
 	
-	if (size && data[size - 1] == '=') {
+	size_t rc, len = 0;
-		--size;
+	while (rc = BIO_read(bio64, outbuf + len, input.GetLength() - len))
+		len += rc;
 
-		if (size && data[size - 1] == '=')
+	String ret = String(outbuf, outbuf + len);
-			--size;
+	BIO_free_all(bio64);
-	}
 	
-	if (size == 0)
+	if (ret.IsEmpty() && !input.IsEmpty())
-		return String();
+		throw std::invalid_argument("Not a valid base64 string");
 
-	std::ostringstream msgbuf;
+	return ret;
-	std::copy(base64_decode(data.CStr()), base64_decode(data.CStr() + size), std::ostream_iterator<char>(msgbuf));
-	return msgbuf.str();
 }

test/CMakeLists.txt

@@ -24,7 +24,7 @@ set(base_test_SOURCES
   base-stream.cpp base-string.cpp base-timer.cpp base-type.cpp
   base-value.cpp config-ops.cpp icinga-macros.cpp
   icinga-perfdata.cpp test.cpp 
-  remote-url.cpp
+  remote-base64.cpp remote-url.cpp
 )
 
 set(livestatus_test_SOURCES
@@ -107,6 +107,7 @@ add_boost_test(base
         icinga_perfdata/ignore_invalid_warn_crit_min_max
         icinga_perfdata/invalid
         icinga_perfdata/multi
+        remote_base64/base64
         remote_url/id_and_path
         remote_url/parameters
         remote_url/get_and_set

test/remote-base64.cpp

@@ -0,0 +1,66 @@
+/******************************************************************************
+ * Icinga 2                                                                   *
+ * Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.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 2             *
+ * 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 St, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ******************************************************************************/
+
+#include "remote/base64.hpp"
+#include <boost/test/unit_test.hpp>
+#include <boost/foreach.hpp>
+
+#include <iostream>
+
+using namespace icinga;
+
+BOOST_AUTO_TEST_SUITE(remote_base64)
+
+BOOST_AUTO_TEST_CASE(base64)
+{
+	std::vector<String> clearText;
+	clearText.push_back("");
+	clearText.push_back("1");
+	clearText.push_back("12");
+	clearText.push_back("123");
+	clearText.push_back("1234");
+	clearText.push_back(
+	    "VsowLvPqEiAeITDmo-5L_NB-k7fsT3sT2d3K9O4iC2uBk41hvCPAxrgGSxrdeX5s"
+	    "Zo0Z9b1kxDZlzf8GHQ9ARW6YLeGODMtiZo8cKkUzfSbxyZ_wlE9u6pCTTg9kODCM"
+	    "Ve-X_a3jWkOy89RoDkT5ahKBY-8S25L6wlvWt8ZyQ2bLxfplzEzuHgEknTMKKp2K"
+	    "jRlwI2p3gF4FYeQM7dx0E5O782Lh1P3IC6jPNqiZgTgWmsRYZbAN8oU2V626bQxD"
+	    "n8prQ0Xr_3aPdP7VIVgxNZMnF0NJrQvB_rzq1Dip1UM_xH_9nansbX25E64OQU-r"
+	    "q54EdO-vb_9FvyqdeVTJ3UTgXIP7OXtz4K8xlEHWdb1-hJChVvDc0KSnN5HVN2NJ"
+	    "yJrAofVyHBxXGRnGMdN8cOwvxzBFsz2Hih_lIqm1NVULm9_J9GoesY-aN8JzGocU"
+	    "U3hbhFQBiUlzliuodhwg4RXRcfmPHQRo7kWKaohpySkvqmWcXEAt2LPJ8nH70fW7"
+	    "vudgzwwWTnNcMlf0Wa-nKL4xXNNPQD0obDCfogN8uKuGqi0DltOUmFK62Zkkb0_d"
+	    "45grssnD5q89MjDGBkGMXuLY_JLOqc7Y9VV6H48vzoTNK1a2kOGV2TrAD8syuA5Z"
+	    "o8RLKjTqAYjKTUqEJjg0MflpiBnbDQvRqiSXs1cJuFNXRLpEC5GoqGqMd0zAGn4u"
+	    "5J3OurVd0SFp8_vkYUI6YwNUe00y8_Dn6DOBh_0KKADphZBgple82_8HrnQNreQn"
+	    "GkB2TpIsjwWud0yuhI-jQZEMNNlhEYMLwx7B-xTGhn0LFC1pLEXn_kZ2NOgDgUHd"
+	    "bdj906o3N2Jjo9Fb5GXkCrt-fNEYBjeXvIu73yeTGmsiAzfiICNHi_PmGkgq8fYQ"
+	    "O9lQgyRHCMic8zU7ffWuSoUPRgHsqztLHaCDbYIrNmgrn2taxcXSb57Xm_l-1xBH"
+	    "bZqdMvBziapJXaLJmhUg03lgdsIc_OuJmzt-sytDLVGIuNqpa4dETdhLsI7qis4B"
+	);
+
+	// 1024 chars
+
+	BOOST_FOREACH(const String str, clearText) {
+		String enc = Base64::Encode(str);
+		String dec = Base64::Decode(enc);
+		BOOST_CHECK(str == dec);
+	}
+}
+
+BOOST_AUTO_TEST_SUITE_END()