/*
* OpenVPN-GUI -- A Windows GUI for OpenVPN.
*
* Copyright (C) 2004 Mathias Sundman <mathias@nilings.se>
* 2010 Heiko Hund <heikoh@users.sf.net>
* 2016 Selva Nair <selva.nair@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef OPTIONS_H
#define OPTIONS_H
typedef struct connection connection_t;
#include <windows.h>
#include <stdio.h>
#include <time.h>
#include <lmcons.h>
#include "manage.h"
#include "echo.h"
#include "pkcs11.h"
#define MAX_NAME (UNLEN + 1)
/*
* Maximum number of parameters associated with an option,
* including the option name itself.
*/
#define MAX_PARMS 5 /* Max number of parameters per option */
typedef enum {
service_noaccess = -1,
service_disconnected = 0,
service_connecting = 1,
service_connected = 2
} service_state_t;
typedef enum {
config,
windows,
manual
} proxy_source_t;
typedef enum {
http,
socks
} proxy_t;
/* connection states */
typedef enum {
disconnected,
onhold,
connecting,
reconnecting,
connected,
disconnecting,
suspending,
suspended,
resuming,
detaching,
detached,
} conn_state_t;
/* Interactive Service IO parameters */
typedef struct {
OVERLAPPED o; /* This has to be the first element */
HANDLE pipe;
HANDLE hEvent;
WCHAR readbuf[512];
} service_io_t;
#define FLAG_ALLOW_CHANGE_PASSPHRASE (1<<1)
#define FLAG_SAVE_KEY_PASS (1<<4)
#define FLAG_SAVE_AUTH_PASS (1<<5)
#define FLAG_DISABLE_SAVE_PASS (1<<6)
#define FLAG_DISABLE_ECHO_MSG (1<<7)
#define FLAG_DAEMON_PERSISTENT (1<<8)
#define FLAG_WAIT_UNLOCK (1<<9)
#define CONFIG_VIEW_AUTO (0)
#define CONFIG_VIEW_FLAT (1)
#define CONFIG_VIEW_NESTED (2)
#define OPENVPN_ENGINE_OVPN2 (0)
#define OPENVPN_ENGINE_OVPN3 (1)
typedef struct {
unsigned short major, minor, build, revision;
} version_t;
/* A node of config groups tree that can be navigated from the end
* node (where config file is attached) to the root. The nodes are stored
* as array (o.groups[]) with each node linked to its parent.
* Not a complete tree: only navigation from child to parent is supported
* which is enough for our purposes.
*/
typedef struct config_group {
int id; /* A unique id for the group >= 0*/
wchar_t name[40]; /* Name of the group -- possibly truncated */
int parent; /* Id of parent group. -1 implies no parent */
BOOL active; /* Displayed in the menu if true -- used to prune empty groups */
int children; /* Number of children groups and configs */
int pos; /* Index within the parent group -- used for rendering */
HMENU menu; /* Handle to menu entry for this group */
} config_group_t;
/* short hand for pointer to the group a config belongs to */
#define CONFIG_GROUP(c) (&o.groups[(c)->group])
#define PARENT_GROUP(cg) ((cg)->parent < 0 ? NULL : &o.groups[(cg)->parent])
/* Connections parameters */
struct connection {
TCHAR config_file[MAX_PATH]; /* Name of the config file */
TCHAR config_name[MAX_PATH]; /* Name of the connection */
TCHAR config_dir[MAX_PATH]; /* Path to this configs dir */
TCHAR log_path[MAX_PATH]; /* Path to Logfile */
TCHAR ip[16]; /* Assigned IP address for this connection */
TCHAR ipv6[46]; /* Assigned IPv6 address */
BOOL auto_connect; /* AutoConnect at startup id TRUE */
conn_state_t state; /* State the connection currently is in */
int failed_psw_attempts; /* # of failed attempts entering password(s) */
int failed_auth_attempts; /* # of failed user-auth attempts */
time_t connected_since; /* Time when the connection was established */
proxy_t proxy_type; /* Set during querying proxy credentials */
int group; /* ID of the group this config belongs to */
int pos; /* Index of the config within its group */
struct {
SOCKET sk;
SOCKADDR_IN skaddr;
time_t timeout;
char password[16];
char *saved_data;
size_t saved_size;
mgmt_cmd_t *cmd_queue;
DWORD connected; /* 1: management interface connected, 2: connected and ready */
} manage;
HANDLE hProcess; /* Handle of openvpn process if directly started */
service_io_t iserv;
HANDLE exit_event;
DWORD threadId;
HWND hwndStatus;
int flags;
char *dynamic_cr; /* Pointer to buffer for dynamic challenge string received */
unsigned long long int bytes_in;
unsigned long long int bytes_out;
struct env_item *es; /* Pointer to the head of config-specific env variables list */
struct echo_msg echo_msg; /* Message echo-ed from server or client config and related data */
struct pkcs11_list pkcs11_list;
};
/* All options used within OpenVPN GUI */
typedef struct {
/* Array of configs to autostart */
const TCHAR **auto_connect;
/* Connection parameters */
connection_t *conn; /* Array of connection structure */
config_group_t *groups; /* Array of nodes defining the config groups tree */
int num_configs; /* Number of configs */
int num_auto_connect; /* Number of auto-connect configs */
int num_groups; /* Number of config groups */
int max_configs; /* Current capacity of conn array */
int max_auto_connect; /* Current capacity of auto_connect array */
int max_groups; /* Current capacity of groups array */
service_state_t service_state; /* State of the OpenVPN Service */
/* Proxy Settings */
proxy_source_t proxy_source; /* Where to get proxy information from */
proxy_t proxy_type; /* The type of proxy to use */
TCHAR proxy_http_address[100]; /* HTTP Proxy Address */
TCHAR proxy_http_port[6]; /* HTTP Proxy Port */
TCHAR proxy_socks_address[100]; /* SOCKS Proxy Address */
TCHAR proxy_socks_port[6]; /* SOCKS Proxy Address */
/* HKLM Registry values */
TCHAR exe_path[MAX_PATH];
TCHAR install_path[MAX_PATH];
TCHAR global_config_dir[MAX_PATH];
TCHAR config_auto_dir[MAX_PATH];
TCHAR global_log_dir[MAX_PATH];
TCHAR priority_string[64];
TCHAR ovpn_admin_group[MAX_NAME];
DWORD disable_save_passwords;
/* HKCU registry values */
TCHAR config_dir[MAX_PATH];
TCHAR ext_string[16];
TCHAR log_dir[MAX_PATH];
DWORD log_append;
TCHAR log_viewer[MAX_PATH];
TCHAR editor[MAX_PATH];
DWORD silent_connection;
DWORD iservice_admin;
DWORD show_balloon;
DWORD show_script_window;
DWORD connectscript_timeout; /* Connect Script execution timeout (sec) */
DWORD disconnectscript_timeout; /* Disconnect Script execution timeout (sec) */
DWORD preconnectscript_timeout; /* Preconnect Script execution timeout (sec) */
DWORD config_menu_view; /* 0 for auto, 1 for original flat menu, 2 for hierarchical */
DWORD disable_popup_messages; /* set nonzero to suppress all echo msg messages */
DWORD popup_mute_interval; /* Interval in hours to suppress repeated echo messages */
DWORD mgmt_port_offset; /* management interface port = this offset + index of connection profile */
DWORD ovpn_engine; /* 0 - openvpn2, 1 - openvpn3 */
DWORD enable_persistent; /* 0 - disabled, 1 - enabled, 2 - enabled & auto attach */
#ifdef DEBUG
FILE *debug_fp;
#endif
HWND hWnd;
HINSTANCE hInstance;
BOOL session_locked;
HANDLE netcmd_semaphore;
version_t version;
char ovpn_version[16]; /* OpenVPN version string: 2.3.12, 2.4_alpha2 etc.. */
unsigned int dpi_scale;
COLORREF clr_warning;
COLORREF clr_error;
int action; /* action to send to a running instance */
TCHAR *action_arg;
HANDLE session_semaphore;
HANDLE event_log;
} options_t;
void InitOptions(options_t *);
void ProcessCommandLine(options_t *, TCHAR *);
int CountConnState(conn_state_t);
connection_t* GetConnByManagement(SOCKET);
connection_t* GetConnByName(const WCHAR *config_name);
INT_PTR CALLBACK ScriptSettingsDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam);
INT_PTR CALLBACK ConnectionSettingsDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam);
INT_PTR CALLBACK AdvancedSettingsDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam);
void DisableSavePasswords(connection_t *);
void DisablePopupMessages(connection_t *);
void ExpandOptions(void);
int CompareStringExpanded(const WCHAR *str1, const WCHAR *str2);
#endif