├── .gitignore ├── .kdev4 └── libssh2pp.kdev4 ├── CMakeLists.txt ├── CMakeModules └── FindLibSSH2.cmake ├── LICENSE ├── LICENSE.LESSER ├── README.md ├── libssh2.hpp ├── libssh2pp.kdev4 └── tests.cpp /.gitignore: -------------------------------------------------------------------------------- 1 | build 2 | build* 3 | -------------------------------------------------------------------------------- /.kdev4/libssh2pp.kdev4: -------------------------------------------------------------------------------- 1 | [Buildset] 2 | BuildItems=@Variant(\x00\x00\x00\t\x00\x00\x00\x00\x01\x00\x00\x00\x0b\x00\x00\x00\x00\x01\x00\x00\x00\x12\x00l\x00i\x00b\x00s\x00s\x00h\x002\x00p\x00p) 3 | 4 | [CMake] 5 | Build Directory Count=1 6 | CMakeDir=/usr/share/cmake/Modules 7 | Current Build Directory Index=0 8 | ProjectRootRelative=./ 9 | 10 | [CMake][CMake Build Directory 0] 11 | Build Directory Path=file:///home/ruben/src/libssh2pp/build 12 | Build Type= 13 | CMake Binary=file:///usr/bin/cmake 14 | Environment Profile= 15 | Extra Arguments= 16 | Install Directory=file:///usr/local 17 | 18 | [Project] 19 | VersionControlSupport=kdevgit 20 | -------------------------------------------------------------------------------- /CMakeLists.txt: -------------------------------------------------------------------------------- 1 | cmake_minimum_required (VERSION 2.6) 2 | project(libssh2pp) 3 | 4 | set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/CMakeModules") 5 | set(CMAKE_COLOR_MAKEFILE ON) 6 | 7 | if(CMAKE_COMPILER_IS_GNUCXX) 8 | list( APPEND CMAKE_CXX_FLAGS "-std=c++0x ${CMAKE_CXX_FLAGS} -g -ftest-coverage -fprofile-arcs") 9 | endif() 10 | 11 | find_package(LibSSH2 REQUIRED) 12 | include_directories(${LIBSSH2_INCLUDE_DIRS}) 13 | 14 | add_executable(libssh2pp tests.cpp) 15 | target_link_libraries(libssh2pp ${LIBSSH2_LIBRARY}) 16 | message(STATUS ${LIBSSH2_LIBRARY}) 17 | 18 | install(TARGETS libssh2pp RUNTIME DESTINATION bin) -------------------------------------------------------------------------------- /CMakeModules/FindLibSSH2.cmake: -------------------------------------------------------------------------------- 1 | ################################################## ######################################### 2 | # 3 | # kftpgrabber-svn needs FindLibSSH2 cmake module, so if you don't have that module, 4 | # add this file in /usr/share/cmake-2.6/Modules 5 | # 6 | # - Try to find the libssh2 library 7 | # Once done this will define 8 | # 9 | # LIBSSH2_FOUND - system has the libssh2 library 10 | # LIBSSH2_INCLUDE_DIR - the libssh2 include directory 11 | # LIBSSH2_LIBRARY - the libssh2 library name 12 | 13 | if (LIBSSH2_INCLUDE_DIR AND LIBSSH2_LIBRARY) 14 | set(LibSSH2_FIND_QUIETLY FALSE) 15 | endif (LIBSSH2_INCLUDE_DIR AND LIBSSH2_LIBRARY) 16 | 17 | FIND_PATH(LIBSSH2_INCLUDE_DIR libssh2.h) 18 | 19 | FIND_LIBRARY(LIBSSH2_LIBRARY NAMES ssh2) 20 | 21 | include(FindPackageHandleStandardArgs) 22 | FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibSSH2 DEFAULT_MSG LIBSSH2_INCLUDE_DIR LIBSSH2_LIBRARY) 23 | 24 | MARK_AS_ADVANCED(LIBSSH2_INCLUDE_DIR LIBSSH2_LIBRARY) 25 | 26 | ################################################## ######################################### -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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Revised Versions of the GNU Lesser General Public License. 145 | 146 | The Free Software Foundation may publish revised and/or new versions 147 | of the GNU Lesser General Public License from time to time. Such new 148 | versions will be similar in spirit to the present version, but may 149 | differ in detail to address new problems or concerns. 150 | 151 | Each version is given a distinguishing version number. If the 152 | Library as you received it specifies that a certain numbered version 153 | of the GNU Lesser General Public License "or any later version" 154 | applies to it, you have the option of following the terms and 155 | conditions either of that published version or of any later version 156 | published by the Free Software Foundation. If the Library as you 157 | received it does not specify a version number of the GNU Lesser 158 | General Public License, you may choose any version of the GNU Lesser 159 | General Public License ever published by the Free Software Foundation. 160 | 161 | If the Library as you received it specifies that a proxy can decide 162 | whether future versions of the GNU Lesser General Public License shall 163 | apply, that proxy's public statement of acceptance of any version is 164 | permanent authorization for you to choose that version for the 165 | Library. 166 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | libssh2pp 2 | ========= 3 | 4 | libssh2pp is a C++11 wrapper around the libssh2 library. It aims to be thread safe, simple to use and to have no dependencies. 5 | 6 | usage 7 | ===== 8 | The library is completely implemented in one .hpp file; the only thing you have to do is to put the header libssh2.hpp in your include path and use: 9 | ``` 10 | #include 11 | ``` 12 | or 13 | ``` 14 | #include "libssh2.hpp" 15 | ``` 16 | depending on where it is located. 17 | 18 | example usage 19 | ============= 20 | refer to the tests.cpp file; you can build the tests.cpp as following: 21 | ``` 22 | mkdir build 23 | cd build 24 | cmake .. 25 | make 26 | ``` 27 | 28 | a resulting libssh2 executable will be in the build directory. 29 | -------------------------------------------------------------------------------- /libssh2.hpp: -------------------------------------------------------------------------------- 1 | /** 2 | * Copyright Ruben De Smet 2013 3 | * 4 | * A lot of information was taken from the examples at 5 | * 6 | */ 7 | 8 | // This program is free software: you can redistribute it and/or modify 9 | // it under the terms of the GNU Lesser General Public License as 10 | // published by 11 | // the Free Software Foundation, either version 3 of the License, or 12 | // (at your option) any later version. 13 | // 14 | // This program is distributed in the hope that it will be useful, 15 | // but WITHOUT ANY WARRANTY; without even the implied warranty of 16 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 | // GNU Lesser General Public License for more details. 18 | // 19 | // You should have received a copy of the GNU Lesser General Public License 20 | // along with this program. If not, see . 21 | 22 | extern "C" 23 | { 24 | #include 25 | #include 26 | 27 | #ifdef WIN32 // WINDOZE 28 | #include 29 | #include 30 | #else // UNIX 31 | #include 32 | #include 33 | #include 34 | #include 35 | #endif 36 | 37 | #include 38 | #include 39 | #include 40 | #include 41 | #include 42 | } 43 | 44 | #include 45 | #include 46 | #include 47 | #include 48 | #include 49 | 50 | namespace libssh2 51 | { 52 | static std::atomic_uint __libshh2_session_count; 53 | static std::mutex __libshh2_session_count_mutex; 54 | 55 | typedef unsigned char auth_methods_t; 56 | class auth_methods 57 | { 58 | public: 59 | static const auth_methods_t PASSWORD = 1; 60 | static const auth_methods_t KEYS = 2; 61 | static const auth_methods_t INTERACTIVE = 4; 62 | }; 63 | 64 | //////////////// Exceptions //////////////////// 65 | 66 | class exception : std::exception 67 | { 68 | public: 69 | exception() 70 | { 71 | this->_what = "A generic exception has occurred."; 72 | } 73 | exception(std::string what) 74 | { 75 | this->_what = what; 76 | } 77 | const char* what() 78 | { 79 | return this->_what.c_str(); 80 | } 81 | protected: 82 | std::string _what; 83 | }; 84 | 85 | 86 | class connect_exception : public exception 87 | { 88 | public: 89 | connect_exception(int error_number) 90 | { 91 | // Convert error number to string 92 | this->_errorno = error_number; 93 | std::stringstream w; 94 | w << "Connection on socket failed with " << error_number; 95 | this->_what = w.str(); 96 | } 97 | int get_socket_error() 98 | { 99 | return this->_errorno; 100 | } 101 | private: 102 | int _errorno; 103 | }; 104 | 105 | class authentication_exception : public exception 106 | { 107 | public: 108 | authentication_exception() 109 | { 110 | this->_what = "Could not use the authentication method specified."; 111 | } 112 | }; 113 | 114 | /////////// END EXCEPTIONS /////////////// 115 | 116 | 117 | 118 | class channel 119 | { 120 | friend class session; 121 | public: 122 | void request_pty() 123 | { 124 | this->request_pty("vanilla"); 125 | } 126 | void request_pty(std::string term) 127 | { 128 | if( libssh2_channel_request_pty(this->_chan, term.c_str()) ) 129 | { 130 | exception e("Could not request a pty."); 131 | throw e; 132 | } 133 | } 134 | ~channel() 135 | { 136 | libssh2_channel_free(this->_chan); 137 | } 138 | private: 139 | channel(LIBSSH2_CHANNEL* c) 140 | { 141 | this->_chan = c; 142 | } 143 | 144 | LIBSSH2_CHANNEL* _chan; 145 | }; 146 | 147 | 148 | class fingerprint 149 | { 150 | public: 151 | fingerprint(LIBSSH2_SESSION* s) 152 | { 153 | this->_session = s; 154 | this->_md5 = libssh2_hostkey_hash(s, LIBSSH2_HOSTKEY_HASH_MD5); 155 | if(this->_md5 == NULL) 156 | { 157 | libssh2::exception e("Could not get MD5 signature."); 158 | throw e; 159 | } 160 | this->_sha1 = libssh2_hostkey_hash(s, LIBSSH2_HOSTKEY_HASH_SHA1); 161 | if(this->_sha1 == NULL) 162 | { 163 | libssh2::exception e("Could not get SHA1 signature."); 164 | throw e; 165 | } 166 | } 167 | const char * get_md5() 168 | { 169 | return this->_md5; 170 | } 171 | const char * get_sha1() 172 | { 173 | return this->_sha1; 174 | } 175 | std::string get_hex_md5() 176 | { 177 | if(this->_hex_md5.length() == 0) 178 | { 179 | std::string hex; 180 | std::stringstream s; 181 | s << std::hex << std::setfill('0'); 182 | for(unsigned char i = 0; i < 16; i++) 183 | { 184 | s << std::setw(2) << int(this->_md5[i]); 185 | hex += ":" + s.str().substr(s.str().length() - 2, 2); 186 | s.str(""); 187 | } 188 | this->_hex_md5 = hex.substr(1); // Get rid of the first colon 189 | } 190 | return this->_hex_md5; 191 | } 192 | std::string get_hex_sha1() 193 | { 194 | if(this->_hex_sha1.length() == 0) 195 | { 196 | std::string hex; 197 | std::stringstream s; 198 | s << std::hex << std::setfill('0'); 199 | for(unsigned char i = 0; i < 20; i++) 200 | { 201 | s << std::setw(2) << int(this->_sha1[i]); 202 | hex += ":" + s.str().substr(s.str().length() - 2, 2); 203 | s.str(""); 204 | } 205 | this->_hex_sha1 = hex.substr(1); // Get rid of the first colon 206 | } 207 | return this->_hex_sha1; 208 | } 209 | 210 | private: 211 | const char* _md5; 212 | const char* _sha1; 213 | 214 | std::string _hex_md5; 215 | std::string _hex_sha1; 216 | 217 | LIBSSH2_SESSION* _session; 218 | }; 219 | 220 | 221 | /** 222 | * The base class of the libssh2pp library. 223 | * Everything starts here. 224 | */ 225 | class session 226 | { 227 | friend class channel; 228 | public: 229 | 230 | /** 231 | * The default constructor. 232 | * It takes no arguments and makes sure that libssh2 is initialized in an 233 | * atomical and thread safe way. 234 | */ 235 | session() 236 | { 237 | // Initialize stupid windows systems 238 | #ifdef WIN32 239 | WSADATA wsadata; 240 | 241 | WSAStartup(MAKEWORD(2,0), &wsadata); 242 | #endif 243 | // Initialize libssh2 on a thread safe manner, count the session instances. 244 | libssh2::__libshh2_session_count_mutex.lock(); 245 | { 246 | if(__libshh2_session_count == 0) 247 | { 248 | _rc = libssh2_init(0); 249 | } 250 | this->_throw_on_error(); 251 | __libshh2_session_count++; 252 | } 253 | libssh2::__libshh2_session_count_mutex.unlock(); 254 | _sock = socket(AF_INET, SOCK_STREAM, 0); 255 | 256 | this->_sess = libssh2_session_init(); 257 | } 258 | /** 259 | * Opens the ssh session. 260 | * Currently, only IP addresses are supported. 261 | * @param host The host to connect to, currently only IPv4 addresses. 262 | * @param port The port where the host is listening on. 263 | * @throw libssh_exception 264 | */ 265 | void open(std::string host, unsigned short port) 266 | { 267 | struct sockaddr_in sin; 268 | sin.sin_family = AF_INET; 269 | sin.sin_port = htons(port); 270 | sin.sin_addr.s_addr = inet_addr(host.c_str()); 271 | if( 272 | connect(_sock, (struct sockaddr*)(&sin), sizeof(struct sockaddr_in)) 273 | != 0 274 | ) 275 | { 276 | // Socket connection error, throw 277 | connect_exception e(errno); 278 | throw e; 279 | } 280 | 281 | _rc = libssh2_session_handshake(this->_sess, this->_sock); 282 | this->_throw_on_error(); 283 | } 284 | 285 | auth_methods_t get_auth_methods(std::string username) 286 | { 287 | char* userauthlist; 288 | auth_methods_t types = 0; 289 | 290 | userauthlist = libssh2_userauth_list(this->_sess, username.c_str(), username.length()); 291 | 292 | if (strstr(userauthlist, "password") != NULL) { 293 | types |= auth_methods::PASSWORD; 294 | } 295 | if (strstr(userauthlist, "keyboard-interactive") != NULL) { 296 | types |= auth_methods::INTERACTIVE; 297 | } 298 | if (strstr(userauthlist, "publickey") != NULL) { 299 | types |= auth_methods::KEYS; 300 | } 301 | } 302 | fingerprint get_host_fingerprint() 303 | { 304 | return fingerprint(this->_sess); 305 | } 306 | void auth_password(std::string username, std::string password) throw(authentication_exception) 307 | { 308 | // TODO Check the return value for the specific error. 309 | if(libssh2_userauth_password(this->_sess, username.c_str(), password.c_str())) 310 | { 311 | authentication_exception e; 312 | throw e; 313 | } 314 | } 315 | channel* open_channel() 316 | { 317 | LIBSSH2_CHANNEL* _chan; 318 | // TODO Check the return value for the specific error. 319 | if (!(_chan = libssh2_channel_open_session(this->_sess))) 320 | { 321 | exception e("Could not open channel"); 322 | throw e; 323 | } 324 | channel* c = new channel(_chan); 325 | return c; 326 | } 327 | virtual ~session() 328 | { 329 | // TODO Make sure the session is shut down and channels are closed 330 | /* libssh2_session_disconnect, libssh2_session_free 331 | * 332 | */ 333 | // We lock the mutex, so there can't be an initialize while exiting. 334 | __libshh2_session_count_mutex.lock(); 335 | { 336 | __libshh2_session_count--; 337 | if(__libshh2_session_count == 0) 338 | { 339 | // Nobody is still using the ssh library, cleanup. 340 | libssh2_exit(); 341 | } 342 | } 343 | __libshh2_session_count_mutex.unlock(); 344 | #ifdef WIN32 345 | closesocket(_sock); 346 | #else 347 | close(_sock); 348 | #endif 349 | } 350 | private: 351 | int _sock; 352 | int _rc; 353 | 354 | LIBSSH2_SESSION * _sess; 355 | 356 | void _throw_on_error() 357 | { 358 | if(_rc != 0) 359 | { 360 | // We 've got an error 361 | std::stringstream s; 362 | s << "Sshlib2 status code: " << _rc; 363 | exception e(s.str()); 364 | throw e; 365 | } 366 | } 367 | }; 368 | } 369 | -------------------------------------------------------------------------------- /libssh2pp.kdev4: -------------------------------------------------------------------------------- 1 | [Project] 2 | Name=libssh2pp 3 | Manager=KDevCMakeManager 4 | VersionControl=kdevgit 5 | -------------------------------------------------------------------------------- /tests.cpp: -------------------------------------------------------------------------------- 1 | #include "libssh2.hpp" 2 | #include 3 | #include 4 | 5 | int main(int argc, char **argv) { 6 | std::cout << "Hello, world!" << std::endl; 7 | try 8 | { 9 | libssh2::session s; 10 | s.open("127.0.0.1", 8989); 11 | libssh2::fingerprint f = s.get_host_fingerprint(); 12 | std::cout << "SHA1 fingerprint: " << f.get_hex_sha1() << std::endl 13 | << "MD5 fingerprint: " << f.get_hex_md5() << std::endl; 14 | 15 | std::cout << "Auth methods for ruben: " << std::bitset<8>(s.get_auth_methods("ruben")) << std::endl; 16 | 17 | s.auth_password("username","password"); 18 | libssh2::channel* c = s.open_channel(); 19 | c->request_pty(); 20 | } 21 | catch(libssh2::exception e) 22 | { 23 | std::cerr << e.what() << std::endl; 24 | } 25 | return 0; 26 | } 27 | --------------------------------------------------------------------------------