aboutsummaryrefslogtreecommitdiff
path: root/rfc4251.h
diff options
context:
space:
mode:
Diffstat (limited to 'rfc4251.h')
-rw-r--r--rfc4251.h210
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;
-}