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authorTimo Weingärtner <timo@tiwe.de>2014-05-27 00:19:21 +0200
committerTimo Weingärtner <timo@tiwe.de>2014-05-27 00:19:21 +0200
commit4dc4729a7ca2182568dae75db0cbfe22e6f90cd1 (patch)
tree1ba10f29d20cfaa31ee14273ea2a22b1d8ca07fa /rfc4251.C
parent9fe480b831273397908ec224a80c6439cb1fabed (diff)
parentd9ffc789b1c7e781acbdd8310aef871dc3a41c13 (diff)
downloadssh-agent-filter-4dc4729a7ca2182568dae75db0cbfe22e6f90cd1.tar.gz
Merge tag '0.4' into debian
0.4
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+/*
+ * rfc4251.C -- support for name-list type from RFC 4251, section 5
+ *
+ * These are the conversions between an rfc4251string containing a name-list
+ * and vector<string>.
+ *
+ * Copyright (C) 2013 Timo Weingärtner <timo@tiwe.de>
+ *
+ * This file is part of ssh-agent-filter.
+ *
+ * ssh-agent-filter 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.
+ *
+ * ssh-agent-filter 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 ssh-agent-filter. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "rfc4251.h"
+
+rfc4251string::rfc4251string (std::vector<std::string> const & v) {
+ for (auto it = v.begin(); it != v.end();) {
+ if (it->size() == 0)
+ throw std::length_error{"name of zero length"};
+ if (value.size() + it->size() > std::numeric_limits<uint32_t>::max())
+ throw std::length_error{"32-bit limit for rfc4251string exceeded"};
+ value.insert(value.end(), it->data(), it->data() + it->size());
+ ++it;
+ if (it == v.end())
+ break;
+ value.push_back(',');
+ }
+}
+
+rfc4251string::operator std::vector<std::string> () const {
+ std::vector<std::string> ret;
+ auto name_start = value.begin();
+ if (name_start != value.end())
+ for (auto it = name_start; ; ++it) {
+ if (it == value.end() or *it == ',') {
+ if (it == name_start)
+ throw std::length_error{"name of zero length"};
+ ret.emplace_back(name_start, it);
+ name_start = it + 1;
+ }
+ if (it == value.end())
+ break;
+ }
+ return ret;
+}