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159 lines
5.2 KiB
159 lines
5.2 KiB
/* |
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* OpenVPN-GUI -- A Windows GUI for OpenVPN. |
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* |
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* Copyright (C) 2013 Heiko Hund <heikoh@users.sf.net> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program (see the file COPYING included with this |
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* distribution); if not, write to the Free Software Foundation, Inc., |
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#ifndef MISC_H |
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#define MISC_H |
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#include <wincrypt.h> |
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#include "options.h" |
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BOOL ManagementCommandFromInput(connection_t *, LPCSTR, HWND, int); |
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BOOL ManagementCommandFromTwoInputsBase64(connection_t*, LPCSTR, HWND, int, int); |
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BOOL ManagementCommandFromInputBase64(connection_t *, LPCSTR, HWND, int); |
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BOOL EnsureDirExists(LPTSTR); |
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BOOL streq(LPCSTR, LPCSTR); |
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BOOL strbegins(const char *str, const char *begin); |
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BOOL wcsbegins(LPCWSTR, LPCWSTR); |
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BOOL ForceForegroundWindow(HWND); |
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void DpiSetScale(options_t*, UINT dpix); |
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BOOL IsUserAdmin(VOID); |
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HANDLE InitSemaphore (WCHAR *); |
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BOOL CheckFileAccess (const TCHAR *path, int access); |
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BOOL Base64Encode(const char *input, int input_len, char **output); |
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int Base64Decode(const char *input, char **output); |
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WCHAR *Widen(const char *utf8); |
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WCHAR *WidenEx(UINT codepage, const char *utf8); |
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BOOL validate_input(const WCHAR *input, const WCHAR *exclude); |
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/* Concatenate two wide strings with a separator */ |
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void wcs_concat2(WCHAR *dest, int len, const WCHAR *src1, const WCHAR *src2, const WCHAR *sep); |
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void CloseSemaphore(HANDLE sem); |
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/* Close a handle if not null or invalid */ |
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void CloseHandleEx(LPHANDLE h); |
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/* Decode url encoded charcters in src and return the result as a newly |
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* allocated string. Returns NULL on error. |
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*/ |
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char *url_decode(const char *src); |
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/* digest functions */ |
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typedef struct md_ctx { |
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HCRYPTPROV prov; |
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HCRYPTHASH hash; |
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} md_ctx; |
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DWORD md_init(md_ctx *ctx, ALG_ID hash_type); |
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DWORD md_update(md_ctx *ctx, const BYTE *data, size_t size); |
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DWORD md_final(md_ctx *ctx, BYTE *md); |
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/* Open specified http/https URL using ShellExecute. */ |
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BOOL open_url(const wchar_t *url); |
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void ImportConfigFile(const TCHAR* path, bool prompt_user); |
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/* |
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* Helper function to convert UCS-2 text from a dialog item to UTF-8. |
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* Caller must free *str if *len != 0. |
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*/ |
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BOOL |
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GetDlgItemTextUtf8(HWND hDlg, int id, LPSTR* str, int* len); |
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/* Return escaped copy of a string */ |
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char *escape_string(const char *str); |
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/** |
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* Find a free port to bind to |
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* @param addr : Address to bind to -- if port >0 it's tried first. |
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* On return the port is set to the one found. |
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* @returns true on success, false on error. In case of error |
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* addr is unchanged. |
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*/ |
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BOOL find_free_tcp_port(SOCKADDR_IN *addr); |
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/** |
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* Parse the config file of a connection profile for |
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* Managegment address and password. |
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* @param c : Pointer to connection profile |
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* On return c->manage.skaddr and c->manage.password |
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* are populated. |
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* @returns true on success false on error. |
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* Password not specified in the config file is not an error. |
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*/ |
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BOOL ParseManagementAddress(connection_t *c); |
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/** |
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* Get dpi of the system and set the scale factor. |
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* @param o : pointer to the options struct |
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* On return initializes o.dpi_scale using the logical pixels |
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* per inch value of the system. |
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*/ |
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#define DPI_SCALE(x) MulDiv(x, o.dpi_scale, 100) |
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void dpi_initialize(options_t *o); |
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/** |
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* Write a message to the event log |
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* @param type : event log type |
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* @param format : message format in printf style |
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* @param ... : extra args |
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*/ |
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void MsgToEventLog(WORD type, wchar_t *format, ...); |
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/** |
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* Check PLAP COM object is is registered |
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* @returns 1 if yes, 0 if no, or -1 if PLAP dll not installed. |
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*/ |
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int GetPLAPRegistrationStatus(void); |
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/** |
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* Register/Unregister PLAP COM object |
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* @param action TRUE to register, FALSE to unregister |
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* @returns 0 on success or a non-zero error code on error. |
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* Requires admin privileges -- user will prompted for admin |
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* credentials or UAC consent if required. |
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*/ |
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DWORD SetPLAPRegistration(BOOL action); |
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/** |
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* Run a command as admin using shellexecute |
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* @param cmd The command to run |
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* @param params Parameters to the command |
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* @returns 0 on success or a non-zero exit code from the |
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* command. If the command fails to startup, -1 is returned. |
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*/ |
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DWORD RunAsAdmin(const WCHAR *cmd, const WCHAR *params); |
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/** |
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* Wait for a timeout while pumping messages. If hdlg is not NULL |
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* IsDialogMessage(hdlg, ...) is checked before dispatching messages. |
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* caller can install a WH_MSGFILTER hook if any other special processing |
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* is necessary. The hook will get called with ncode = MSGF_OVPN_WAIT. |
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* @returns false if WM_QUIT was received, else returns true on timeout. |
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*/ |
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bool OVPNMsgWait(DWORD timeout, HWND hdlg); |
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bool GetRandomPassword(char *buf, size_t len); |
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#endif
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