/* * OpenVPN-GUI -- A Windows GUI for OpenVPN. * * Copyright (C) 2004 Mathias Sundman * 2010 Heiko Hund * 2016 Selva Nair * * 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 #include #include #include #include "manage.h" #include "echo.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, connecting, reconnecting, connected, disconnecting, suspending, suspended, resuming, timedout } 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 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; BOOL connected; /* True, if management interface has connected */ } 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 */ }; /* 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 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 service_only; 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 */ #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