libssh  0.10.6
The SSH library
libsshpp.hpp
1 /*
2  * This file is part of the SSH Library
3  *
4  * Copyright (c) 2010 by Aris Adamantiadis
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef LIBSSHPP_HPP_
22 #define LIBSSHPP_HPP_
23 
51 /* do not use deprecated functions */
52 #define LIBSSH_LEGACY_0_4
53 
54 #include <libssh/libssh.h>
55 #include <libssh/server.h>
56 #include <stdlib.h>
57 #include <stdarg.h>
58 #include <stdio.h>
59 #include <string>
60 
61 namespace ssh {
62 
63 class Channel;
68 #ifndef SSH_NO_CPP_EXCEPTIONS
69 
75 public:
76  SshException(ssh_session csession){
77  code=ssh_get_error_code(csession);
78  description=std::string(ssh_get_error(csession));
79  }
80  SshException(const SshException &e){
81  code=e.code;
82  description=e.description;
83  }
89  int getCode(){
90  return code;
91  }
96  std::string getError(){
97  return description;
98  }
99 private:
100  int code;
101  std::string description;
102 };
103 
107 #define ssh_throw(x) if((x)==SSH_ERROR) throw SshException(getCSession())
108 #define ssh_throw_null(CSession,x) if((x)==NULL) throw SshException(CSession)
109 #define void_throwable void
110 #define return_throwable return
111 
112 #else
113 
114 /* No exception at all. All functions will return an error code instead
115  * of an exception
116  */
117 #define ssh_throw(x) if((x)==SSH_ERROR) return SSH_ERROR
118 #define ssh_throw_null(CSession,x) if((x)==NULL) return NULL
119 #define void_throwable int
120 #define return_throwable return SSH_OK
121 #endif
122 
126 class Session {
127  friend class Channel;
128 public:
129  Session(){
130  c_session=ssh_new();
131  }
132  ~Session(){
133  ssh_free(c_session);
134  c_session=NULL;
135  }
142  void_throwable setOption(enum ssh_options_e type, const char *option){
143  ssh_throw(ssh_options_set(c_session,type,option));
144  return_throwable;
145  }
152  void_throwable setOption(enum ssh_options_e type, long int option){
153  ssh_throw(ssh_options_set(c_session,type,&option));
154  return_throwable;
155  }
162  void_throwable setOption(enum ssh_options_e type, void *option){
163  ssh_throw(ssh_options_set(c_session,type,option));
164  return_throwable;
165  }
170  void_throwable connect(){
171  int ret=ssh_connect(c_session);
172  ssh_throw(ret);
173  return_throwable;
174  }
181  int ret=ssh_userauth_publickey_auto(c_session, NULL, NULL);
182  ssh_throw(ret);
183  return ret;
184  }
193  int ret=ssh_userauth_none(c_session,NULL);
194  ssh_throw(ret);
195  return ret;
196  }
197 
214  int userauthKbdint(const char* username, const char* submethods){
215  int ret = ssh_userauth_kbdint(c_session, username, submethods);
216  ssh_throw(ret);
217  return ret;
218  }
219 
225  return ssh_userauth_kbdint_getnprompts(c_session);
226  }
227 
244  int userauthKbdintSetAnswer(unsigned int index, const char *answer)
245  {
246  int ret = ssh_userauth_kbdint_setanswer(c_session, index, answer);
247  ssh_throw(ret);
248  return ret;
249  }
250 
251 
252 
259  int userauthPassword(const char *password){
260  int ret=ssh_userauth_password(c_session,NULL,password);
261  ssh_throw(ret);
262  return ret;
263  }
272  int ret=ssh_userauth_try_publickey(c_session, NULL, pubkey);
273  ssh_throw(ret);
274  return ret;
275  }
283  int ret=ssh_userauth_publickey(c_session, NULL, privkey);
284  ssh_throw(ret);
285  return ret;
286  }
287 
293  int getAuthList(){
294  int ret=ssh_userauth_list(c_session, NULL);
295  ssh_throw(ret);
296  return ret;
297  }
301  void disconnect(){
302  ssh_disconnect(c_session);
303  }
308  const char *getDisconnectMessage(){
309  const char *msg=ssh_get_disconnect_message(c_session);
310  return msg;
311  }
315  const char *getError(){
316  return ssh_get_error(c_session);
317  }
321  int getErrorCode(){
322  return ssh_get_error_code(c_session);
323  }
330  socket_t getSocket(){
331  return ssh_get_fd(c_session);
332  }
337  std::string getIssueBanner(){
338  char *banner = ssh_get_issue_banner(c_session);
339  std::string ret = "";
340  if (banner != NULL) {
341  ret = std::string(banner);
342  ::free(banner);
343  }
344  return ret;
345  }
351  return ssh_get_openssh_version(c_session);
352  }
357  int getVersion(){
358  return ssh_get_version(c_session);
359  }
367  int state = ssh_session_is_known_server(c_session);
368  ssh_throw(state);
369  return state;
370  }
371  void log(int priority, const char *format, ...){
372  va_list va;
373 
374  va_start(va, format);
375  ssh_vlog(priority, "libsshpp", format, &va);
376  va_end(va);
377  }
378 
383  void_throwable optionsCopy(const Session &source){
384  ssh_throw(ssh_options_copy(source.c_session,&c_session));
385  return_throwable;
386  }
392  void_throwable optionsParseConfig(const char *file){
393  ssh_throw(ssh_options_parse_config(c_session,file));
394  return_throwable;
395  }
400  ssh_silent_disconnect(c_session);
401  }
408  int ret = ssh_session_update_known_hosts(c_session);
409  ssh_throw(ret);
410  return ret;
411  }
412 
421  inline Channel *acceptForward(int timeout_ms);
422  /* implemented outside the class due Channel references */
423 
424  void_throwable cancelForward(const char *address, int port){
425  int err=ssh_channel_cancel_forward(c_session, address, port);
426  ssh_throw(err);
427  return_throwable;
428  }
429 
430  void_throwable listenForward(const char *address, int port,
431  int &boundport){
432  int err=ssh_channel_listen_forward(c_session, address, port, &boundport);
433  ssh_throw(err);
434  return_throwable;
435  }
436 
437  ssh_session getCSession(){
438  return c_session;
439  }
440 
441 protected:
442  ssh_session c_session;
443 
444 private:
445  /* No copy constructor, no = operator */
446  Session(const Session &);
447  Session& operator=(const Session &);
448 };
449 
454 class Channel {
455  friend class Session;
456 public:
458  channel = ssh_channel_new(ssh_session.getCSession());
459  this->session = &ssh_session;
460  }
461  ~Channel(){
462  ssh_channel_free(channel);
463  channel=NULL;
464  }
465 
474  Channel *acceptX11(int timeout_ms){
475  ssh_channel x11chan = ssh_channel_accept_x11(channel,timeout_ms);
476  ssh_throw_null(getCSession(),x11chan);
477  Channel *newchan = new Channel(getSession(),x11chan);
478  return newchan;
479  }
486  void_throwable changePtySize(int cols, int rows){
487  int err=ssh_channel_change_pty_size(channel,cols,rows);
488  ssh_throw(err);
489  return_throwable;
490  }
491 
496  void_throwable close(){
497  ssh_throw(ssh_channel_close(channel));
498  return_throwable;
499  }
500 
501  int getExitStatus(){
502  return ssh_channel_get_exit_status(channel);
503  }
504  Session &getSession(){
505  return *session;
506  }
510  bool isClosed(){
511  return ssh_channel_is_closed(channel) != 0;
512  }
516  bool isEof(){
517  return ssh_channel_is_eof(channel) != 0;
518  }
522  bool isOpen(){
523  return ssh_channel_is_open(channel) != 0;
524  }
525  int openForward(const char *remotehost, int remoteport,
526  const char *sourcehost, int localport=0){
527  int err=ssh_channel_open_forward(channel,remotehost,remoteport,
528  sourcehost, localport);
529  ssh_throw(err);
530  return err;
531  }
532  /* TODO: completely remove this ? */
533  void_throwable openSession(){
534  int err=ssh_channel_open_session(channel);
535  ssh_throw(err);
536  return_throwable;
537  }
538  int poll(bool is_stderr=false){
539  int err=ssh_channel_poll(channel,is_stderr);
540  ssh_throw(err);
541  return err;
542  }
543  int read(void *dest, size_t count){
544  int err;
545  /* handle int overflow */
546  if(count > 0x7fffffff)
547  count = 0x7fffffff;
548  err=ssh_channel_read_timeout(channel,dest,count,false,-1);
549  ssh_throw(err);
550  return err;
551  }
552  int read(void *dest, size_t count, int timeout){
553  int err;
554  /* handle int overflow */
555  if(count > 0x7fffffff)
556  count = 0x7fffffff;
557  err=ssh_channel_read_timeout(channel,dest,count,false,timeout);
558  ssh_throw(err);
559  return err;
560  }
561  int read(void *dest, size_t count, bool is_stderr=false, int timeout=-1){
562  int err;
563  /* handle int overflow */
564  if(count > 0x7fffffff)
565  count = 0x7fffffff;
566  err=ssh_channel_read_timeout(channel,dest,count,is_stderr,timeout);
567  ssh_throw(err);
568  return err;
569  }
570  int readNonblocking(void *dest, size_t count, bool is_stderr=false){
571  int err;
572  /* handle int overflow */
573  if(count > 0x7fffffff)
574  count = 0x7fffffff;
575  err=ssh_channel_read_nonblocking(channel,dest,count,is_stderr);
576  ssh_throw(err);
577  return err;
578  }
579  void_throwable requestEnv(const char *name, const char *value){
580  int err=ssh_channel_request_env(channel,name,value);
581  ssh_throw(err);
582  return_throwable;
583  }
584 
585  void_throwable requestExec(const char *cmd){
586  int err=ssh_channel_request_exec(channel,cmd);
587  ssh_throw(err);
588  return_throwable;
589  }
590  void_throwable requestPty(const char *term=NULL, int cols=0, int rows=0){
591  int err;
592  if(term != NULL && cols != 0 && rows != 0)
593  err=ssh_channel_request_pty_size(channel,term,cols,rows);
594  else
595  err=ssh_channel_request_pty(channel);
596  ssh_throw(err);
597  return_throwable;
598  }
599 
600  void_throwable requestShell(){
601  int err=ssh_channel_request_shell(channel);
602  ssh_throw(err);
603  return_throwable;
604  }
605  void_throwable requestSendSignal(const char *signum){
606  int err=ssh_channel_request_send_signal(channel, signum);
607  ssh_throw(err);
608  return_throwable;
609  }
610  void_throwable requestSubsystem(const char *subsystem){
611  int err=ssh_channel_request_subsystem(channel,subsystem);
612  ssh_throw(err);
613  return_throwable;
614  }
615  int requestX11(bool single_connection,
616  const char *protocol, const char *cookie, int screen_number){
617  int err=ssh_channel_request_x11(channel,single_connection,
618  protocol, cookie, screen_number);
619  ssh_throw(err);
620  return err;
621  }
622  void_throwable sendEof(){
623  int err=ssh_channel_send_eof(channel);
624  ssh_throw(err);
625  return_throwable;
626  }
636  int write(const void *data, size_t len, bool is_stderr=false){
637  int ret;
638  if(is_stderr){
639  ret=ssh_channel_write_stderr(channel,data,len);
640  } else {
641  ret=ssh_channel_write(channel,data,len);
642  }
643  ssh_throw(ret);
644  return ret;
645  }
646 
647  ssh_session getCSession(){
648  return session->getCSession();
649  }
650 
651  ssh_channel getCChannel() {
652  return channel;
653  }
654 
655 protected:
656  Session *session;
657  ssh_channel channel;
658 
659 private:
660  Channel (Session &ssh_session, ssh_channel c_channel){
661  this->channel=c_channel;
662  this->session = &ssh_session;
663  }
664  /* No copy and no = operator */
665  Channel(const Channel &);
666  Channel &operator=(const Channel &);
667 };
668 
669 
670 inline Channel *Session::acceptForward(int timeout_ms){
671  ssh_channel forward =
672  ssh_channel_open_forward_port(c_session, timeout_ms, NULL, NULL, NULL);
673  ssh_throw_null(c_session,forward);
674  Channel *newchan = new Channel(*this,forward);
675  return newchan;
676  }
677 
678 } // namespace ssh
679 
681 #endif /* LIBSSHPP_HPP_ */
the ssh::Channel class describes the state of an SSH channel.
Definition: libsshpp.hpp:454
int write(const void *data, size_t len, bool is_stderr=false)
Writes on a channel.
Definition: libsshpp.hpp:636
void_throwable close()
closes a channel
Definition: libsshpp.hpp:496
bool isClosed()
returns true if channel is in closed state
Definition: libsshpp.hpp:510
void_throwable changePtySize(int cols, int rows)
change the size of a pseudoterminal
Definition: libsshpp.hpp:486
bool isEof()
returns true if channel is in EOF state
Definition: libsshpp.hpp:516
Channel * acceptX11(int timeout_ms)
accept an incoming X11 connection
Definition: libsshpp.hpp:474
bool isOpen()
returns true if channel is in open state
Definition: libsshpp.hpp:522
Definition: libsshpp.hpp:126
int getAuthList()
Returns the available authentication methods from the server.
Definition: libsshpp.hpp:293
int isServerKnown()
verifies that the server is known
Definition: libsshpp.hpp:366
int userauthKbdintGetNPrompts()
Get the number of prompts (questions) the server has given.
Definition: libsshpp.hpp:224
int userauthKbdint(const char *username, const char *submethods)
Authenticate through the "keyboard-interactive" method.
Definition: libsshpp.hpp:214
void silentDisconnect()
silently disconnect from remote host
Definition: libsshpp.hpp:399
void_throwable setOption(enum ssh_options_e type, long int option)
sets an SSH session options
Definition: libsshpp.hpp:152
socket_t getSocket()
returns the file descriptor used for the communication
Definition: libsshpp.hpp:330
const char * getDisconnectMessage()
Returns the disconnect message from the server, if any.
Definition: libsshpp.hpp:308
void_throwable setOption(enum ssh_options_e type, void *option)
sets an SSH session options
Definition: libsshpp.hpp:162
void_throwable setOption(enum ssh_options_e type, const char *option)
sets an SSH session options
Definition: libsshpp.hpp:142
int getVersion()
returns the version of the SSH protocol being used
Definition: libsshpp.hpp:357
int userauthPublickeyAuto(void)
Authenticates automatically using public key.
Definition: libsshpp.hpp:180
Channel * acceptForward(int timeout_ms)
accept an incoming forward connection
Definition: libsshpp.hpp:670
void_throwable connect()
connects to the remote host
Definition: libsshpp.hpp:170
int userauthPublickey(ssh_key privkey)
Authenticates using the publickey method.
Definition: libsshpp.hpp:282
int userauthKbdintSetAnswer(unsigned int index, const char *answer)
Set the answer for a question from a message block.
Definition: libsshpp.hpp:244
int userauthNone()
Authenticates using the "none" method. Prefer using autopubkey if possible.
Definition: libsshpp.hpp:192
std::string getIssueBanner()
gets the Issue banner from the ssh server
Definition: libsshpp.hpp:337
int getOpensshVersion()
returns the OpenSSH version (server) if possible
Definition: libsshpp.hpp:350
void disconnect()
Disconnects from the SSH server and closes connection.
Definition: libsshpp.hpp:301
int userauthPassword(const char *password)
Authenticates using the password method.
Definition: libsshpp.hpp:259
void_throwable optionsCopy(const Session &source)
copies options from a session to another
Definition: libsshpp.hpp:383
int writeKnownhost()
Writes the known host file with current host key.
Definition: libsshpp.hpp:407
void_throwable optionsParseConfig(const char *file)
parses a configuration file for options
Definition: libsshpp.hpp:392
int userauthTryPublickey(ssh_key pubkey)
Try to authenticate using the publickey method.
Definition: libsshpp.hpp:271
if defined, disable C++ exceptions for libssh c++ wrapper
Definition: libsshpp.hpp:74
int getCode()
returns the Error code
Definition: libsshpp.hpp:89
std::string getError()
returns the error message of the last exception
Definition: libsshpp.hpp:96
LIBSSH_API int ssh_userauth_list(ssh_session session, const char *username)
Get available authentication methods from the server.
Definition: auth.c:379
LIBSSH_API int ssh_userauth_password(ssh_session session, const char *username, const char *password)
Try to authenticate by password.
Definition: auth.c:1332
LIBSSH_API int ssh_userauth_publickey_auto(ssh_session session, const char *username, const char *passphrase)
Tries to automatically authenticate with public key and "none".
Definition: auth.c:1087
LIBSSH_API int ssh_userauth_none(ssh_session session, const char *username)
Try to authenticate through the "none" method.
Definition: auth.c:409
LIBSSH_API int ssh_userauth_try_publickey(ssh_session session, const char *username, const ssh_key pubkey)
Try to authenticate with the given public key.
Definition: auth.c:493
LIBSSH_API int ssh_userauth_kbdint(ssh_session session, const char *user, const char *submethods)
Try to authenticate through the "keyboard-interactive" method.
Definition: auth.c:1760
LIBSSH_API int ssh_userauth_kbdint_setanswer(ssh_session session, unsigned int i, const char *answer)
Set the answer for a question from a message block.
Definition: auth.c:1966
LIBSSH_API int ssh_userauth_publickey(ssh_session session, const char *username, const ssh_key privkey)
Authenticate with public/private key or certificate.
Definition: auth.c:622
LIBSSH_API int ssh_userauth_kbdint_getnprompts(ssh_session session)
Get the number of prompts (questions) the server has given.
Definition: auth.c:1804
LIBSSH_API int ssh_channel_request_subsystem(ssh_channel channel, const char *subsystem)
Request a subsystem (for example "sftp").
Definition: channels.c:2010
LIBSSH_API int ssh_channel_send_eof(ssh_channel channel)
Send an end of file on the channel.
Definition: channels.c:1281
LIBSSH_API int ssh_channel_poll(ssh_channel channel, int is_stderr)
Polls a channel for data to read.
Definition: channels.c:3160
LIBSSH_API int ssh_channel_close(ssh_channel channel)
Close a channel.
Definition: channels.c:1342
LIBSSH_API int ssh_channel_read_timeout(ssh_channel channel, void *dest, uint32_t count, int is_stderr, int timeout_ms)
Reads data from a channel.
Definition: channels.c:2976
LIBSSH_API int ssh_channel_request_pty(ssh_channel channel)
Request a PTY.
Definition: channels.c:1927
LIBSSH_API int ssh_channel_cancel_forward(ssh_session session, const char *address, int port)
Sends the "cancel-tcpip-forward" global request to ask the server to cancel the tcpip-forward request...
Definition: channels.c:2556
LIBSSH_API ssh_channel ssh_channel_open_forward_port(ssh_session session, int timeout_ms, int *destination_port, char **originator, int *originator_port)
Accept an incoming TCP/IP forwarding channel and get information about incoming connection.
Definition: channels.c:2537
LIBSSH_API ssh_channel ssh_channel_accept_x11(ssh_channel channel, int timeout_ms)
Accept an X11 forwarding channel.
Definition: channels.c:2238
LIBSSH_API int ssh_channel_request_exec(ssh_channel channel, const char *cmd)
Run a shell command without an interactive shell.
Definition: channels.c:2679
LIBSSH_API int ssh_channel_write(ssh_channel channel, const void *data, uint32_t len)
Blocking write on a channel.
Definition: channels.c:1614
LIBSSH_API int ssh_channel_listen_forward(ssh_session session, const char *address, int port, int *bound_port)
Sends the "tcpip-forward" global request to ask the server to begin listening for inbound connections...
Definition: channels.c:2447
LIBSSH_API int ssh_channel_request_env(ssh_channel channel, const char *name, const char *value)
Set environment variables.
Definition: channels.c:2608
LIBSSH_API int ssh_channel_write_stderr(ssh_channel channel, const void *data, uint32_t len)
Blocking write on a channel stderr.
Definition: channels.c:3584
LIBSSH_API int ssh_channel_get_exit_status(ssh_channel channel)
Get the exit status of the channel (error code from the executed instruction).
Definition: channels.c:3314
LIBSSH_API int ssh_channel_request_send_signal(ssh_channel channel, const char *signum)
Send a signal to remote process (as described in RFC 4254, section 6.9).
Definition: channels.c:2745
LIBSSH_API int ssh_channel_is_open(ssh_channel channel)
Check if the channel is open or not.
Definition: channels.c:1628
LIBSSH_API int ssh_channel_read_nonblocking(ssh_channel channel, void *dest, uint32_t count, int is_stderr)
Do a nonblocking read on the channel.
Definition: channels.c:3101
LIBSSH_API int ssh_channel_is_closed(ssh_channel channel)
Check if the channel is closed or not.
Definition: channels.c:1645
LIBSSH_API int ssh_channel_is_eof(ssh_channel channel)
Check if remote has sent an EOF.
Definition: channels.c:1660
LIBSSH_API int ssh_channel_request_pty_size(ssh_channel channel, const char *term, int cols, int rows)
Request a pty with a specific type and size.
Definition: channels.c:1863
LIBSSH_API void ssh_channel_free(ssh_channel channel)
Close and free a channel.
Definition: channels.c:1180
LIBSSH_API ssh_channel ssh_channel_new(ssh_session session)
Allocate a new channel.
Definition: channels.c:87
LIBSSH_API int ssh_channel_request_x11(ssh_channel channel, int single_connection, const char *protocol, const char *cookie, int screen_number)
Sends the "x11-req" channel request over an existing session channel.
Definition: channels.c:2114
LIBSSH_API int ssh_channel_open_forward(ssh_channel channel, const char *remotehost, int remoteport, const char *sourcehost, int localport)
Open a TCP/IP forwarding channel.
Definition: channels.c:1041
LIBSSH_API int ssh_channel_request_shell(ssh_channel channel)
Request a shell.
Definition: channels.c:1987
LIBSSH_API int ssh_channel_open_session(ssh_channel channel)
Open a session channel (suited for a shell, not TCP forwarding).
Definition: channels.c:974
LIBSSH_API int ssh_channel_change_pty_size(ssh_channel channel, int cols, int rows)
Change the size of the terminal associated to a channel.
Definition: channels.c:1947
LIBSSH_API int ssh_get_error_code(void *error)
Retrieve the error code from the last error.
Definition: error.c:148
LIBSSH_API const char * ssh_get_error(void *error)
Retrieve the error text message from the last error.
Definition: error.c:128
LIBSSH_API int ssh_connect(ssh_session session)
Connect to the ssh server.
Definition: client.c:524
LIBSSH_API void ssh_disconnect(ssh_session session)
Disconnect from a session (client or server).
Definition: client.c:749
LIBSSH_API int ssh_options_set(ssh_session session, enum ssh_options_e type, const void *value)
This function can set all possible ssh options.
Definition: options.c:499
LIBSSH_API int ssh_options_parse_config(ssh_session session, const char *filename)
Parse the ssh config file.
Definition: options.c:1440
LIBSSH_API int ssh_get_version(ssh_session session)
Get the protocol version of the session.
Definition: session.c:863
LIBSSH_API char * ssh_get_issue_banner(ssh_session session)
Get the issue banner from the server.
Definition: client.c:668
LIBSSH_API int ssh_session_update_known_hosts(ssh_session session)
Adds the currently connected server to the user known_hosts file.
Definition: knownhosts.c:1000
LIBSSH_API ssh_session ssh_new(void)
Create a new ssh session.
Definition: session.c:59
LIBSSH_API int ssh_get_openssh_version(ssh_session session)
Get the version of the OpenSSH server, if it is not an OpenSSH server then 0 will be returned.
Definition: client.c:695
LIBSSH_API enum ssh_known_hosts_e ssh_session_is_known_server(ssh_session session)
Check if the servers public key for the connected session is known.
Definition: knownhosts.c:1295
LIBSSH_API const char * ssh_get_disconnect_message(ssh_session session)
Get the disconnect message from the server.
Definition: session.c:838
LIBSSH_API void ssh_silent_disconnect(ssh_session session)
Disconnect impolitely from a remote host by closing the socket.
Definition: session.c:486
LIBSSH_API void ssh_free(ssh_session session)
Deallocate a SSH session handle.
Definition: session.c:195
LIBSSH_API int ssh_options_copy(ssh_session src, ssh_session *dest)
Duplicate the options of a session structure.
Definition: options.c:68
LIBSSH_API socket_t ssh_get_fd(ssh_session session)
Get the fd of a connection.
Definition: session.c:587
Definition: channels.h:66
Definition: pki.h:54
Definition: session.h:127