OVMS3/OVMS.V3/components/console_ssh/src/console_ssh.h

137 lines
3.7 KiB
C++

/*
; Project: Open Vehicle Monitor System
; Date: 14th March 2017
;
; Changes:
; 1.0 Initial release
;
; (C) 2011 Michael Stegen / Stegen Electronics
; (C) 2011-2017 Mark Webb-Johnson
; (C) 2011 Sonny Chen @ EPRO/DX
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in
; all copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
; THE SOFTWARE.
*/
#ifndef __CONSOLE_SSH_H__
#define __CONSOLE_SSH_H__
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "ovms_console.h"
#include "task_base.h"
#define BUFFER_SIZE 512
class ConsoleSSH;
struct mg_connection;
class OvmsSSH
{
public:
OvmsSSH();
public:
void EventHandler(struct mg_connection *nc, int ev, void *p);
void NetManInit(std::string event, void* data);
void NetManStop(std::string event, void* data);
void ConfigRestore(std::string event, void* data);
static int Authenticate(uint8_t type, WS_UserAuthData* data, void* ctx);
WOLFSSH_CTX* ctx() { return m_ctx; }
protected:
WOLFSSH_CTX* m_ctx;
bool m_keyed;
};
class ConsoleSSH : public OvmsConsole
{
public:
ConsoleSSH(OvmsSSH* server, struct mg_connection* nc);
virtual ~ConsoleSSH();
private:
void Service();
void HandleDeviceEvent(void* pEvent);
int GetResponse();
public:
void Receive();
void Send();
void Sent();
void Exit();
int puts(const char* s);
int printf(const char* fmt, ...);
ssize_t write(const void *buf, size_t nbyte);
int RecvCallback(char* buf, uint32_t size);
bool IsDraining() { return m_drain > 0; }
private:
typedef struct {DIR* dir; size_t size;} Level;
enum States
{
ACCEPT,
SHELL,
EXEC,
SOURCE,
SOURCE_LOOP,
SOURCE_DIR,
SOURCE_SEND,
SOURCE_RESPONSE,
SINK,
SINK_LOOP,
SINK_RECEIVE,
SINK_RESPONSE,
CLOSING
} m_state;
OvmsSSH* m_server;
mg_connection* m_connection;
WOLFSSH* m_ssh;
char m_buffer[BUFFER_SIZE];
int m_index; // Index into m_buffer of data remaining to send
int m_size; // Size of data remaining to send
int m_drain; // Bytes discarded waiting for socket to drain
bool m_sent;
bool m_rekey;
bool m_needDir;
bool m_isDir;
bool m_verbose;
bool m_recursive;
std::string m_path;
std::string m_filename;
FILE* m_file;
std::forward_list<Level> m_dirs;
};
class RSAKeyGenerator : public TaskBase
{
private:
static RSAKeyGenerator* s_instance;
public:
RSAKeyGenerator();
virtual ~RSAKeyGenerator();
static bool KillInstance();
private:
void Service();
private:
byte m_der[1200]; // Big enough for 2048-bit private key
};
#endif //#ifndef __CONSOLE_SSH_H__