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author | Timo Weingärtner <timo@tiwe.de> | 2015-09-06 18:33:04 +0200 |
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committer | Timo Weingärtner <timo@tiwe.de> | 2015-09-06 18:33:04 +0200 |
commit | a11402917796dd21b59c537d3f10c05d3bcefd55 (patch) | |
tree | 7a04962ac6f463d42a62ec9d3e18f6d8dae66634 /rfc4251.h | |
parent | 602a625ff53118e9052326e5038055aa1d750e23 (diff) | |
parent | c9dfa57b7a06c5b0770e11d210e02ace54518644 (diff) | |
download | ssh-agent-filter-a11402917796dd21b59c537d3f10c05d3bcefd55.tar.gz |
Merge tag '0.4.1' into debian
0.4.1
Diffstat (limited to 'rfc4251.h')
-rw-r--r-- | rfc4251.h | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/rfc4251.h b/rfc4251.h deleted file mode 100644 index d9ac93e..0000000 --- a/rfc4251.h +++ /dev/null @@ -1,210 +0,0 @@ -/* - * rfc4251.h -- implements types from RFC 4251, section 5 - * - * rfc4251byte byte - * rfc4251bool bool - * rfc4251uint32 uint32 - * rfc4251uint64 uint64 - * rfc4251string string, incl. mpint and name-list - * - * those structs contain the objects in their RFC 4251 representation, - * conversions are provided via constructors and cast operators - * - * Copyright (C) 2013-2014 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 <vector> -#include <string> -#include <iostream> -#include <limits> -#include <stdexcept> -#include <arpa/inet.h> // ntohl() / htonl() -#include <gmpxx.h> -#include <boost/operators.hpp> - -struct rfc4251byte { - union { - uint8_t value; - char buf[1]; - }; - - rfc4251byte () = default; - explicit rfc4251byte (uint8_t v) : value(v) {} - inline explicit rfc4251byte (std::istream &); - - operator uint8_t () const { return value; } -}; - -inline std::istream & operator>> (std::istream & is, rfc4251byte & x) { - return is.read(x.buf, sizeof(x.buf)); -} - -inline std::ostream & operator<< (std::ostream & os, rfc4251byte const & x) { - return os.write(x.buf, sizeof(x.buf)); -} - -inline rfc4251byte::rfc4251byte (std::istream & is) { - is >> *this; -} - -struct rfc4251bool { - union { - bool value; - char buf[1]; - }; - - rfc4251bool () = default; - explicit rfc4251bool (uint8_t v) : value(v) {} - inline explicit rfc4251bool (std::istream &); - - operator uint8_t () const { return value; } -}; - -inline std::istream & operator>> (std::istream & is, rfc4251bool & x) { - return is.read(x.buf, sizeof(x.buf)); -} - -inline std::ostream & operator<< (std::ostream & os, rfc4251bool const & x) { - return os.write(x.buf, sizeof(x.buf)); -} - -inline rfc4251bool::rfc4251bool (std::istream & is) { - is >> *this; -} - -struct rfc4251uint32 { - union { - uint32_t value; - char buf[4]; - }; - - rfc4251uint32 () = default; - explicit rfc4251uint32 (uint32_t v) { value = htonl(v); } - inline explicit rfc4251uint32 (std::istream &); - - operator uint32_t () const { return ntohl(value); } -}; - -inline std::istream & operator>> (std::istream & is, rfc4251uint32 & x) { - return is.read(x.buf, sizeof(x.buf)); -} - -inline std::ostream & operator<< (std::ostream & os, rfc4251uint32 const & x) { - return os.write(x.buf, sizeof(x.buf)); -} - -inline rfc4251uint32::rfc4251uint32 (std::istream & is) { - is >> *this; -} - -struct rfc4251uint64 { - union { - uint64_t value; - char buf[8]; - }; - - rfc4251uint64 () = default; - inline explicit rfc4251uint64 (uint64_t v); - inline explicit rfc4251uint64 (std::istream &); - - inline explicit operator uint64_t () const; -}; - -inline rfc4251uint64::rfc4251uint64 (uint64_t v) { - for (int_fast8_t i{7}; i >= 0; --i) { - buf[i] = v & 0xff; - v >>= 8; - } -} - -inline rfc4251uint64::operator uint64_t () const { - uint64_t ret{0}; - for (uint_fast8_t i{0}; i < 8; ++i) { - ret <<= 8; - ret |= static_cast<uint8_t>(buf[i]); - } - return ret; -} - -inline std::istream & operator>> (std::istream & is, rfc4251uint64 & x) { - return is.read(x.buf, sizeof(x.buf)); -} - -inline std::ostream & operator<< (std::ostream & os, rfc4251uint64 const & x) { - return os.write(x.buf, sizeof(x.buf)); -} - -inline rfc4251uint64::rfc4251uint64 (std::istream & is) { - is >> *this; -} - -struct rfc4251string : boost::totally_ordered<rfc4251string> { - std::vector<char> value; - - rfc4251string () = default; - inline explicit rfc4251string (char const *, size_t); - explicit rfc4251string (std::string const & s) : rfc4251string{s.data(), s.size()} {} - explicit rfc4251string (std::vector<std::string> const &); - explicit rfc4251string (mpz_srcptr); - explicit rfc4251string (mpz_class const & x) : rfc4251string{x.get_mpz_t()} {} - inline explicit rfc4251string (std::istream &); - - size_t size () const { return value.size(); } - char const * data () const { return value.data(); } - char * data () { return value.data(); } - - operator std::string () const { return {value.begin(), value.end()}; } - operator std::vector<std::string> () const; - operator mpz_class () const; -}; - -inline rfc4251string::rfc4251string (char const * s, size_t l) { - if (l > std::numeric_limits<uint32_t>::max()) - throw std::length_error{"32-bit limit for rfc4251string exceeded"}; - value.insert(value.end(), s, s + l); -} - -inline std::istream & operator>> (std::istream & is, rfc4251string & s) { - s.value.clear(); - rfc4251uint32 len; - if (is >> len) { - s.value.resize(len); - is.read(s.value.data(), len); - } - return is; -} - -inline std::ostream & operator<< (std::ostream & os, rfc4251string const & s) { - if (s.value.size() > std::numeric_limits<uint32_t>::max()) - throw std::length_error{"32-bit limit for rfc4251string exceeded"}; - if (os << rfc4251uint32{static_cast<uint32_t>(s.value.size())}) - os.write(s.value.data(), s.value.size()); - return os; -} - -inline rfc4251string::rfc4251string (std::istream & is) { - is >> *this; -} - -inline bool operator== (rfc4251string const & l, rfc4251string const & r) { - return l.value == r.value; -} - -inline bool operator< (rfc4251string const & l, rfc4251string const & r) { - return l.value < r.value; -} |