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MainSFTPServer.cpp
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#include "MainSFTPServer.h"
#include <libssh/libssh.h>
#include <libssh/server.h>
#include <libssh/bind.h>
#define WITH_SERVER 1
#include <libssh/sftp.h>
#include <libssh/session.h>
#include <stdio.h>
#include <windows.h>
#include <string>
#include <time.h>
#include <io.h>
#include <iostream>
#include <string>
#include <locale>
#include <codecvt>
#include "dirent.h"
#include <direct.h>
#include "GlobalFunction.h"
#include <chrono>
#include <thread>
using std::chrono::duration_cast;
using std::chrono::milliseconds;
using std::chrono::seconds;
using std::chrono::system_clock;
using namespace std;
//#pragma comment(linker, "/subsystem:console /entry:WinMainCRTStartup")
#define MAX_HANDLES 20 /**< Maximum handles */
#define NUM_ENTRIES_PER_PACKET 50 /**< Maximum entries per packet for readdir */
enum
{
DIR_HANDLE,
FILE_HANDLE
};
struct handle_table_entry
{
int type; /**< Handle type */
void* handle; /**< Handle */
void* session_id; /**< Session ID */
char* path; /**< Path */
};
bool mainLoop(ssh_bind sshbind);
char* readdir_long_name(char* z_file_name, struct stat* z_st, char* z_long_name);
static void init_handle_table(void);
static int add_handle(int z_type, void* z_handle, const char* z_path, void* z_session_id);
static char* get_handle_path(void* z_handle);
static int close_handle(void* z_handle);
static int errno_to_ssh_status(int z_errno);
static int check_password(const char* z_user, const char* z_password);
static int check_publickey(const char* z_user, ssh_key z_public/*, ssh_publickey_state_e z_state*/);
static int authenticate(ssh_session z_session);
static ssh_channel open_channel(ssh_session z_session);
static int sftp_subsystem_request(ssh_session z_session);
static void process_sftp_commands(sftp_session z_sftp_sn);
static void clear_filexfer_attrib(struct sftp_attributes_struct* z_attr);
static void stat_to_filexfer_attrib(const struct stat* z_st, struct sftp_attributes_struct* z_attr);
static int realpath(const char* path, string& long_path);
static int process_realpath(sftp_client_message z_client_message);
static int process_opendir(sftp_client_message z_client_message);
static int process_readdir(sftp_client_message z_client_message);
static int process_close(sftp_client_message z_client_message);
static int process_stat(sftp_client_message z_client_message);
static int process_open(sftp_client_message z_client_message);
static int process_read(sftp_client_message z_client_message, ULONGLONG& pSend, time_t& pStart);
static int process_write(sftp_client_message z_client_message);
static int process_fstat(sftp_client_message z_client_message);
static int process_lstat(sftp_client_message z_client_message);
static int process_setstat(sftp_client_message z_client_message);
static int process_remove(sftp_client_message z_client_message);
static int process_rename(sftp_client_message z_client_message);
static int process_mkdir(sftp_client_message z_client_message);
static int process_rmdir(sftp_client_message z_client_message);
static DWORD WINAPI Thread_sftp_server(LPVOID lpParam);
void terminate_all_client_thread();
string g_user_name = "admin";
string g_password = "admin";
wstring g_rootpath = L"";// L"D:/123";
string g_rsakey = "ssh_host_rsa_key";
string g_rsapubkey = "ssh_host_rsa_key.pub";
string g_log_path = "sftp-log.txt";
//string g_critical = "sftp-critical.txt";
CRITICAL_SECTION cs;
HANDLE hMutex;
static struct handle_table_entry s_handle_table[MAX_HANDLES];
ULONGLONG m_Bandwidth = (50 * 0.125 * 1024 * 1024);
int g_stop_server = 0;
int sftp_set_log_path(wchar_t * str)
{
//FILE* file_critical = NULL;
//fopen_s(&file_critical, g_critical.c_str(), "a");
//if (file_critical == NULL) {
// perror("Error opening file");
// return 0;
//}
// Get the required buffer size
int bufferSize = WideCharToMultiByte(CP_UTF8, 0, str, -1, NULL, 0, NULL, NULL);
// Allocate memory for the multi-byte string
char* multiByteStr = new char[bufferSize];
// Convert the wide string to multi-byte string
WideCharToMultiByte(CP_UTF8, 0, str, -1, multiByteStr, bufferSize, NULL, NULL);
// Use the multi-byte string
std::string stringstr(multiByteStr);
g_log_path = stringstr;
// Free the allocated memory
delete[] multiByteStr;
//fprintf(file_critical, "%s\n", g_log_path.c_str());
//
//fclose(file_critical);
return 0;
}
void appendToLogFile(const char* logMessage, const char* functionName) {
time_t currentTime = time(NULL);
struct tm timeInfo;
localtime_s(&timeInfo, ¤tTime);
char timeString[20];
strftime(timeString, sizeof(timeString), "%Y-%m-%d %H:%M:%S", &timeInfo);
FILE* file = NULL;
fopen_s(&file, g_log_path.c_str(), "a");
if (file == NULL) {
//FILE* file_critical = NULL;
//fopen_s(&file_critical, g_critical.c_str(), "a");
//if (file_critical == NULL) {
// perror("Error opening file");
// return;
//}
//fprintf(file_critical, "[%s] %s: Error opening file %s\n", timeString, __func__, g_log_path.c_str());
//fclose(file_critical);
return;
}
fprintf(file, "[%s] %s: %s\n", timeString, functionName, logMessage);
fclose(file);
}
int file_get_line(FILE* file_stream, char* str, size_t len)
{
char c;
size_t l;
char* s = str;
if (!len)
return 0;
l = len;
while (l && (c = fgetc(file_stream)) && !ferror(file_stream) && c != EOF && c != '\n') {
if (c != '\r') {
*(s++) = c;
l--;
}
}
if (l > 0) {
// We need one more character
// for trailing '\0'.
*s = '\0';
return (int)(s - str);
}
else
// buffer overran.
return -1;
}
static int get_key_data(char* buf, char* key, char* data, char deli)
{
char* p, * b, * e, * k, * d;
b = buf;
k = key;
d = data;
p = strchr(buf, deli);
if (!p) p = strchr(buf, ':');
if (p) {
e = p - 1;
// get key
while (b <= e) {
if (*b != ' ' && *b != '\t')
*(k++) = *b;
b++;
};
*k = '\0';
p++;
// get data
while (*p) {
if (*p == '#') break;
if (*p != ' ' && *p != '\t')
*(d++) = *p;
p++;
};
if (*(d - 1) == ';') d--;
*d = '\0';
}
else {
key[0] = '\0';
data[0] = '\0';
return -1;
}
return 0;
}
static int load_config() {
FILE* fd = NULL;
char buf[512], key[256], data[1024];
char log[1024];
int flag = 0;
char configPath[1024];
char* homepath = NULL;
size_t hompathsize = 0;
_dupenv_s(&homepath, &hompathsize, "USERPROFILE");
//printf("USERPROFILE = %s\n", homepath);
if (homepath == NULL) {
printf("Failed to get current user home directory\n");
return -1;
}
snprintf(configPath, 1024, "%s\\Config.ini", homepath);
fopen_s(&fd, configPath, "r");
if (fd == NULL) {
printf("Config.ini file not found\n");
return -1;
}
while (!feof(fd) && file_get_line(fd, buf, sizeof(buf)) >= 0) {
if (buf[0] == '#') continue;
if (get_key_data(buf, key, data, '='))
continue;
if (!strcasecmp(key, "RootPath")) {
std::wstring_convert<std::codecvt_utf8_utf16<wchar_t>> converter;
g_rootpath = converter.from_bytes(data);
flag |= 0x00001;
}
else if (!strcasecmp(key, "User")) {
g_user_name = std::string(data);
flag |= 0x00010;
}
else if (!strcasecmp(key, "Password")) {
g_password = std::string(data);
flag |= 0x00100;
}
/*else if (!strcasecmp(key, "RSAKey")) {
g_rsakey = std::string(data);
flag |= 0x01000;
}
else if (!strcasecmp(key, "RSAPubKey")) {
g_rsapubkey = std::string(data);
flag |= 0x10000;
}*/
}
snprintf(configPath, 1024, "%s\\ssh_host_rsa_key", homepath);
g_rsakey = std::string(configPath);
flag |= 0x01000;
snprintf(configPath, 1024, "%s\\ssh_host_rsa_key.pub", homepath);
g_rsapubkey = std::string(configPath);
flag |= 0x10000;
if (flag == 0x11111)
return 0;
snprintf(log, 1024, "Missing one or more parameters. Please check RootPath, User, Password");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
return -1;
}
ssh_bind _sshbind = NULL;
HANDLE hamin_thread = NULL;
static DWORD WINAPI process_server_thread(LPVOID lpParam)
{
int ret = SSH_ERROR;
char log[1024];
g_stop_server = 0;
do
{
init_handle_table();
if ((_sshbind = ssh_bind_new()) == NULL)
{
break;
}
if (ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_BINDPORT_STR, "22") < 0)
break;
//ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_HOSTKEY, "dsap.txt");
//if (ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_DSAKEY, "dsa.txt") < 0)
if (ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_RSAKEY, /*KEYS_FOLDER*/ /*"rsa.txt"*/g_rsakey.c_str()) < 0)
break;
if (ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_LOG_VERBOSITY_STR, "3") < 0)
break;
if (ssh_bind_listen(_sshbind) < 0)
{
//LOG(XM_ERR) << "Error listening to socket: " << ssh_get_error(_sshbind);
//std::cout << "debug purpose" << std::endl;
snprintf(log, 1024, "Error listening to socket: %s", ssh_get_error(_sshbind));
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
break;
}
ret = SSH_OK;
snprintf(log, 1024, "Jump to mainLoop");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
mainLoop(_sshbind);
snprintf(log, 1024, "Finished to mainLoop");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
} while (g_stop_server == 0);
return 0;
}
int sftp_server_start()
{
int ret = SSH_ERROR;
ssh_init();
char log[1024];
if (load_config() < 0)
{
snprintf(log, 1024, "Load config file failed");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
return -1;
}
snprintf(log, 1024, "SFTP Server Started");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
DWORD ThreadID;
//InitializeCriticalSection(&cs);
hamin_thread = CreateThread(NULL, 0, process_server_thread, NULL, 0, &ThreadID);
#if 0
g_stop_server = 0;
do
{
init_handle_table();
if ((_sshbind = ssh_bind_new()) == NULL)
{
break;
}
if (ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_BINDPORT_STR, "22") < 0)
break;
//ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_HOSTKEY, "dsap.txt");
//if (ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_DSAKEY, "dsa.txt") < 0)
if (ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_RSAKEY, /*KEYS_FOLDER*/ /*"rsa.txt"*/g_rsakey.c_str()) < 0)
break;
if (ssh_bind_options_set(_sshbind, SSH_BIND_OPTIONS_LOG_VERBOSITY_STR, "3") < 0)
break;
if (ssh_bind_listen(_sshbind) < 0)
{
//LOG(XM_ERR) << "Error listening to socket: " << ssh_get_error(_sshbind);
//std::cout << "debug purpose" << std::endl;
snprintf(log, 1024, "Error listening to socket: %s", ssh_get_error(_sshbind));
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
break;
}
ret = SSH_OK;
snprintf(log, 1024, "Jump to mainLoop");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
mainLoop(_sshbind);
snprintf(log, 1024, "Finished to mainLoop");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
} while (g_stop_server == 0);
#endif
return ret;
}
int sftp_server_stop()
{
char log[1024];
snprintf(log, 1024, "Stopping sftpserver");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
g_stop_server = 1;
terminate_all_client_thread();
TerminateThread(hamin_thread, 0);
CloseHandle(hamin_thread);
return 0;
}
#if 0
int sftp_server_stop()
{
char log[1024];
snprintf(log, 1024, "Stopping sftpserver");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
DWORD pid = GetCurrentProcessId();
snprintf(log, 1024, "Current Process ID: %lu\n", pid);
appendToLogFile(log, __func__);
HANDLE hProcess = OpenProcess(PROCESS_TERMINATE, FALSE, pid);
if (hProcess == NULL) {
snprintf(log, 1024, "Failed to open process. Error code: %lu\n", GetLastError());
appendToLogFile(log, __func__);
return 1;
}
if (TerminateProcess(hProcess, 0)) {
snprintf(log, 1024, "Process with PID %lu terminated successfully.\n", pid);
appendToLogFile(log, __func__);
}
else {
snprintf(log, 1024, "Failed to terminate process. Error code: %lu\n", GetLastError());
appendToLogFile(log, __func__);
}
CloseHandle(hProcess);
//g_stop_server = 1;
//_close(_sshbind->bindfd);
return 0;
}
#endif
int sftp_server_release()
{
char log[1024];
ssh_bind_free(_sshbind);
if (ssh_finalize() < 0)
{
snprintf(log, 1024, "SSH finalize failed");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
}
snprintf(log, 1024, "Stopped sftpserver");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
return 0;
}
int client_cnt = 0;
#define MAX_CLIENT_NUM 8192
HANDLE client_handle_list[MAX_CLIENT_NUM];
bool mainLoop(ssh_bind sshbind)
{
bool ret = false;
char log[1024];
while (g_stop_server == 0)
{
//int r;
ssh_session session = ssh_new();
if (session == NULL)
{
snprintf(log, 1024, "Error ssh_new");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
continue;
}
//LOG(XM_DEBUG) << "before accept";
snprintf(log, 1024, "SFTP Server is waiting for new conneciton ...");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
snprintf(log, 1024, "binding new accept ....");
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
if (ssh_bind_accept(sshbind, session) == SSH_OK)
{
//LOG(XM_DEBUG) << "after accept";
//SSH_LOG(SSH_LOG_NONE, "after accept");
snprintf(log, 1024, "[%s] is accpeted", session->peer_address);
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
DWORD ThreadID;
InitializeCriticalSection(&cs);
HANDLE handle;
handle = CreateThread(NULL, 0, Thread_sftp_server, session, 0, &ThreadID);
client_handle_list[client_cnt] = handle;
client_cnt = (client_cnt++) % MAX_CLIENT_NUM;
DeleteCriticalSection(&cs);
//if (handle)
// CloseHandle(handle);
}
else
{
snprintf(log, 1024, "[%s] is failed to accpet", session->peer_address);
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
snprintf(log, 1024, "error accepting a connection : %s", ssh_get_error(sshbind));
SSH_LOG(SSH_LOG_NONE, log);
appendToLogFile(log, __func__);
}
}
return ret;
}
void terminate_all_client_thread()
{
for (int i = 0; i < client_cnt; i++)
{
TerminateThread(client_handle_list[i], 0);
CloseHandle(client_handle_list[i]);
}
}
char* readdir_long_name(char* z_file_name, struct stat* z_st, char* z_long_name)
{
char tmpbuf[256];
char time[50];
char* ptr = z_long_name;
int mode = z_st->st_mode;
*ptr = '\0';
switch (mode & S_IFMT)
{
case S_IFDIR:
{
*ptr++ = 'd';
break;
}
default:
{
*ptr++ = '-';
break;
}
}
/* user */
if (mode & 0400)
{
*ptr++ = 'r';
}
else
{
*ptr++ = '-';
}
if (mode & 0200)
{
*ptr++ = 'w';
}
else
{
*ptr++ = '-';
}
if (mode & 0100)
{
//if (mode & S_ISUID)
//{
// *ptr++ = 's';
//}
//else
//{
*ptr++ = 'x';
//}
}
else
{
*ptr++ = '-';
}
/* group */
if (mode & 040)
{
*ptr++ = 'r';
}
else
{
*ptr++ = '-';
}
if (mode & 020)
{
*ptr++ = 'w';
}
else
{
*ptr++ = '-';
}
if (mode & 010)
{
*ptr++ = 'x';
}
else
{
*ptr++ = '-';
}
/* other */
if (mode & 04)
{
*ptr++ = 'r';
}
else
{
*ptr++ = '-';
}
if (mode & 02)
{
*ptr++ = 'w';
}
else
{
*ptr++ = '-';
}
if (mode & 01)
{
*ptr++ = 'x';
}
else
{
*ptr++ = '-';
}
*ptr++ = ' ';
*ptr = '\0';
snprintf(tmpbuf, sizeof(tmpbuf), "%3d %d %d %d", (int)z_st->st_nlink,
(int)z_st->st_uid, (int)z_st->st_gid, (int)z_st->st_size);
strcat_s(z_long_name, 256, tmpbuf);
ctime_s(time, 50, &z_st->st_mtime);
if (ptr = strchr(time, '\n'))
{
*ptr = '\0';
}
snprintf(tmpbuf, sizeof(tmpbuf), " %s %s", time + 4, z_file_name);
strcat_s(z_long_name, 256, tmpbuf);
return z_long_name;
}
static void init_handle_table(void)
{
hMutex = CreateMutex(NULL, false, L"Mysftp");
for (int i = 0; i < MAX_HANDLES; i++)
{
s_handle_table[i].type = DIR_HANDLE;
s_handle_table[i].handle = NULL;
s_handle_table[i].session_id = NULL;
s_handle_table[i].path = NULL;
}
}
static int add_handle(int z_type, void* z_handle, const char* z_path, void* z_session_id)
{
int ret = SSH_ERROR;
if (z_handle != NULL)
{
WaitForSingleObject(hMutex, INFINITE);
for (int i = 0; i < MAX_HANDLES; i++)
{
if (s_handle_table[i].handle == NULL)
{
s_handle_table[i].type = z_type;
s_handle_table[i].handle = z_handle;
size_t alen = (strlen(z_path) + 1) * sizeof(char);
s_handle_table[i].path = (char*)malloc(alen);
strcpy_s(s_handle_table[i].path, alen, z_path);
s_handle_table[i].session_id = z_session_id;
ret = SSH_OK;
break;
}
}
ReleaseMutex(hMutex);
}
return(ret);
}
static char* get_handle_path(void* z_handle)
{
char* ret = NULL;
if (z_handle != NULL)
{
WaitForSingleObject(hMutex, INFINITE);
for (int i = 0; i < MAX_HANDLES; i++)
{
if (s_handle_table[i].handle == z_handle)
{
ret = s_handle_table[i].path;
break;
}
}
ReleaseMutex(hMutex);
}
return(ret);
}
static int close_handle(void* z_handle)
{
int ret = SSH_ERROR;
if (z_handle != NULL)
{
WaitForSingleObject(hMutex, INFINITE);
for (int i = 0; i < MAX_HANDLES; i++)
{
if (s_handle_table[i].handle == z_handle)
{
/* Close handle */
switch (s_handle_table[i].type)
{
case DIR_HANDLE:
{
closedir((DIR*)z_handle);
break;
}
case FILE_HANDLE:
{
fclose((FILE*)z_handle);
break;
}
}
/* Remove handle from table */
s_handle_table[i].handle = NULL;
s_handle_table[i].session_id = NULL;
if (s_handle_table[i].path != NULL)
{
free(s_handle_table[i].path);
s_handle_table[i].path = NULL;
}
ret = SSH_OK;
break;
}
}
ReleaseMutex(hMutex);
}
return(ret);
}
static int errno_to_ssh_status(int z_errno)
{
int ret = SSH_FX_OK;
switch (z_errno)
{
case 0:
{
ret = SSH_FX_OK;
break;
}
case ENOENT:
case ENOTDIR:
case EBADF:
case ELOOP:
{
ret = SSH_FX_NO_SUCH_FILE;
break;
}
case EPERM:
case EACCES:
case EFAULT:
{
ret = SSH_FX_PERMISSION_DENIED;
break;
}
case ENAMETOOLONG:
case EINVAL:
{
ret = SSH_FX_BAD_MESSAGE;
break;
}
case ENOSYS:
{
ret = SSH_FX_OP_UNSUPPORTED;
break;
}
default:
{
ret = SSH_FX_FAILURE;
break;
}
}
return ret;
}
static int check_password(const char* z_user, const char* z_password)
{
int check = SSH_OK;
if (_stricmp(z_user, g_user_name.c_str()) != 0)
{
check = SSH_ERROR;
}
if (_stricmp(z_password, g_password.c_str()) != 0)
{
check = SSH_ERROR;
}
return check;
}
static int check_publickey(const char* z_user, ssh_key z_public/*, ssh_publickey_state_e z_state*/)
{
//if (z_state == SSH_PUBLICKEY_STATE_NONE)
//{
// SSH_LOG(SSH_LOG_NONE, "A");
// return SSH_OK;
//}
//if (z_state != SSH_PUBLICKEY_STATE_VALID)
//{
// return SSH_ERROR;
//}
//SSH_LOG(SSH_LOG_NONE, "%s %s", z_user, z_password);
if (_stricmp(z_user, g_user_name.c_str()) != 0)
{
return SSH_ERROR;
}
//ssh_key key = NULL;
int result;
ssh_key privkey;
ssh_key publickey;
result = ssh_pki_import_privkey_file(g_rsakey.c_str(),
NULL,
NULL,
NULL,
&privkey);
if ((result != SSH_OK) || (privkey == NULL))
{
fprintf(stderr,
"Unable to import public key file %s",
g_rsakey.c_str());
}
else
{
result = ssh_pki_export_privkey_to_pubkey(privkey, &publickey);
if (result == SSH_OK)
{
result = ssh_key_cmp(publickey, z_public, SSH_KEY_CMP_PUBLIC);
ssh_key_free(publickey);
if (result == 0)
{
//SSH_LOG(SSH_LOG_NONE, "B");
return SSH_OK;
}
}
ssh_key_free(privkey);
}
return SSH_ERROR;
}
static int authenticate(ssh_session z_session)
{
int auth = SSH_ERROR;
ssh_message message = NULL;
do
{
message = ssh_message_get(z_session);
if (message == NULL)
{
break;
}
switch (ssh_message_type(message))
{
case SSH_REQUEST_AUTH:
{
switch (ssh_message_subtype(message))
{
case SSH_AUTH_METHOD_PASSWORD:
{
auth = check_password(ssh_message_auth_user(message), ssh_message_auth_password(message));
if (auth == SSH_OK)
{
ssh_message_auth_reply_success(message, 0);
break;
}
else
{
ssh_message_reply_default(message);
}
break;
}
case SSH_AUTH_METHOD_PUBLICKEY:
{
auth = check_publickey(ssh_message_auth_user(message), ssh_message_auth_pubkey(message)/*, ssh_message_auth_publickey_state(message)*/);
if (auth == SSH_OK)
{
ssh_message_auth_reply_success(message, 0);
break;
}
else
{
ssh_message_reply_default(message);
}
break;
}
case SSH_AUTH_METHOD_NONE:
default:
{
ssh_message_auth_set_methods(message, SSH_AUTH_METHOD_PASSWORD | SSH_AUTH_METHOD_PUBLICKEY);
ssh_message_reply_default(message);
break;
}
}
break;
}
default:
{
ssh_message_reply_default(message);
break;
}
}
ssh_message_free(message);
} while (auth == SSH_ERROR);
return(auth);
}
static ssh_channel open_channel(ssh_session z_session)
{
ssh_channel chan = NULL;
ssh_message message = NULL;
do
{
message = ssh_message_get(z_session);
if (message != NULL)