static int client(ssh_session session){
int auth=0;
char *banner;
int state;
if (ssh_options_set(session, SSH_OPTIONS_HOST ,host) < 0)
return -1;
ssh_options_parse_config(session, NULL);
if(ssh_connect(session)){
fprintf(stderr,"Connection failed : %s\n",ssh_get_error(session));
return -1;
}
state=verify_knownhost(session);
if (state != 0)
return -1;
ssh_userauth_none(session, NULL);
banner=ssh_get_issue_banner(session);
if(banner){
printf("%s\n",banner);
free(banner);
}
auth=authenticate_console(session);
if(auth != SSH_AUTH_SUCCESS){
return -1;
}
forwarding(session);
return 0;
}
static int client(ssh_session_t *session)
{
int auth=0;
char *banner;
int state;
if (user)
{
if (ssh_options_set(session, SSH_OPTIONS_USER, user) < 0)
{
return -1;
}
}
if (ssh_options_set(session, SSH_OPTIONS_HOST ,host) < 0)
{
return -1;
}
if (proxycommand != NULL)
{
if(ssh_options_set(session, SSH_OPTIONS_PROXYCOMMAND, proxycommand))
{
return -1;
}
}
ssh_options_parse_config(session, NULL);
if(ssh_connect(session))
{
fprintf(stderr,"Connection failed : %s\n",ssh_get_error(session));
return -1;
}
state = verify_knownhost(session);
if (state != 0)
{
return -1;
}
ssh_userauth_none(session, NULL);
banner = ssh_get_issue_banner(session);
if(banner)
{
printf("%s\n", banner);
free(banner);
}
auth = authenticate_console(session);
if(auth != SSH_AUTH_SUCCESS)
{
return -1;
}
if(!cmds[0]) {
shell(session);
} else {
batch_shell(session);
}
return 0;
}
// TODO: remove this obsolete
static int client(ssh_session session)
{
int auth=0;
int state;
if (user)
if (ssh_options_set(session, SSH_OPTIONS_USER, user) < 0)
return -1;
if (ssh_options_set(session, SSH_OPTIONS_HOST ,host) < 0)
return -1;
if (proxycommand != NULL)
{
if(ssh_options_set(session, SSH_OPTIONS_PROXYCOMMAND, proxycommand))
return -1;
}
ssh_options_parse_config(session, NULL);
if(ssh_connect(session))
{
fprintf(stderr,"Connection failed : %s\n",ssh_get_error(session));
return -1;
}
state=verify_knownhost(session);
if (state != 0)
return -1;
ssh_userauth_none(session, NULL);
auth=authenticate_console(session);
if(auth != SSH_AUTH_SUCCESS)
{
return -1;
}
shell(session);
return 0;
}
ssh_session connect_ssh(const char *host, const char *user,int verbosity)
{
ssh_session session;
int auth=0;
session=ssh_new();
if(session==NULL) return(NULL);
if(user!=NULL)
{
if(ssh_options_set(session,SSH_OPTIONS_USER,user)<0)
{
ssh_free(session);
return NULL;
}
}
if(ssh_options_set(session,SSH_OPTIONS_HOST,host)<0)
{
ssh_free(session);
return(NULL);
}
ssh_options_set(session,SSH_OPTIONS_LOG_VERBOSITY,&verbosity);
if(ssh_connect(session))
{
prterr("Connection failed : %s\n",ssh_get_error(session));
ssh_disconnect(session);
ssh_free(session);
return(NULL);
}
if(verify_knownhost(session)<0)
{
ssh_disconnect(session);
ssh_free(session);
return(NULL);
}
auth=authenticate_console(session);
if(auth==SSH_AUTH_SUCCESS)
{
return(session);
} else if(auth==SSH_AUTH_DENIED)
{
prterr("Error: Authentication failed.");
} else {
prterr("Error while authenticating : %s\n",ssh_get_error(session));
}
ssh_disconnect(session);
ssh_free(session);
return(NULL);
}
ssh_session connect_ssh(const char *host, const char *user,int verbosity)
{
ssh_session session;
int auth=0;
session=ssh_new();
if (NULL == session)
{
return NULL;
}
if(NULL != user)
{
if (ssh_options_set(session, SSH_OPTIONS_USER, user) < 0)
{
ssh_free(session);
return NULL;
}
}
if (ssh_options_set(session, SSH_OPTIONS_HOST, host) < 0)
{
ssh_free(session);
return NULL;
}
ssh_options_set(session, SSH_OPTIONS_LOG_VERBOSITY, &verbosity);
if(ssh_connect(session))
{
fprintf(stderr,"Connection failed : %s\n",ssh_get_error(session));
ssh_disconnect(session);
ssh_free(session);
return NULL;
}
if(verify_knownhost(session)<0)
{
ssh_disconnect(session);
ssh_free(session);
return NULL;
}
auth=authenticate_console(session);
if(SSH_AUTH_SUCCESS == auth)
{
return session;
}
else
if(SSH_AUTH_DENIED == auth)
{
fprintf(stderr,"Authentication failed\n");
}
else
{
fprintf(stderr,"Error while authenticating : %s\n",ssh_get_error(session));
}
ssh_disconnect(session);
ssh_free(session);
return NULL;
}
bool SSH_Socket::onEnter()
{
// For testing and getting debugging output
//int verb = SSH_LOG_PROTOCOL;
int rc;
// Setup new SSH Shell
session = ssh_new();
if(session == nullptr)
{
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION,
"Closed Session", "User has closed the program.", nullptr);
TheSocketHandler::Instance()->setActive(false);
return false;
}
std::cout << "Connecting to: " << host << ":" << port << std::endl;
std::cout << "User: "******"Starting up SSH Connection, this can take few moments" << std::endl;
// SSH Connect
rc = ssh_connect(session);
if(rc != SSH_OK)
{
std::cout << "Error: ssh_connect: " << host
<< " " << ssh_get_error(session) << std::endl;
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION,
"Closed Session", "Unable to Connect to Server!", nullptr);
TheSocketHandler::Instance()->setActive(false);
return false;
}
// Verify Server is a known host.
rc = verify_knownhost();
if(rc < 0)
{
std::cout << "Error: verify_knownhost: " << host
<< " " << ssh_get_error(session) << " " << rc << std::endl;
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION,
"Closed Session", "User has closed the program.", nullptr);
TheSocketHandler::Instance()->setActive(false);
return false;
}
//if ((ssh_userauth_password(session, NULL, password) == SSH_AUTH_SUCCESS)
rc = authenticate_console();
if(rc != SSH_AUTH_SUCCESS)
{
std::cout << "Error: authenticate: " << host
<< " " << ssh_get_error(session) << " " << rc << std::endl;
TheSocketHandler::Instance()->setActive(false);
return false;
}
// Setup Channel for Socket Communications
sshChannel = ssh_channel_new(session);
if(sshChannel == nullptr)
{
std::cout << "Error: ssh_channel_new: " << host
<< " " << ssh_get_error(session) << " " << rc << std::endl;
TheSocketHandler::Instance()->setActive(false);
return false;
}
// Open A shell Session
rc = ssh_channel_open_session(sshChannel);
if(rc != SSH_OK)
{
std::cout << "Error: ssh_channel_open_session: " << host
<< " " << ssh_get_error(session) << " " << rc << std::endl;
TheSocketHandler::Instance()->setActive(false);
return false;
}
/* Don't need this when we use the PTY size, it does both!
// Setup sockets or "channels" within the session
if(ssh_channel_request_pty(sshChannel))
{
printf("\r\n SSH Error, Request for PTY Failed. %s: %s - %i \r\n",
host, ssh_get_error(session), rc);
SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION,
"Closed Session",
"User has closed the program.",
NULL);
onExit();
}*/
// Set the term and pty size of the terminal.
// Only After the Shell has been initialized.
if(ssh_channel_request_pty_size(sshChannel, "ansi", 80, 25))
{
std::cout << "Error: ssh_channel_request_pty_size: " << host
<< " " << ssh_get_error(session) << " " << rc << std::endl;
// Not an error to exit the connection on.
//return 0;
}
// Now request a shell with the pty to get read/write
if(ssh_channel_request_shell(sshChannel))
{
std::cout << "Error: ssh_channel_request_shell: " << host
<< " " << ssh_get_error(session) << " " << rc << std::endl;
TheSocketHandler::Instance()->setActive(false);
return false;
}
return true;
}
