diff options
Diffstat (limited to 'win/inspircd_win32wrapper.cpp')
| -rw-r--r-- | win/inspircd_win32wrapper.cpp | 514 |
1 files changed, 513 insertions, 1 deletions
diff --git a/win/inspircd_win32wrapper.cpp b/win/inspircd_win32wrapper.cpp index 1557c8f6e..b3af867cf 100644 --- a/win/inspircd_win32wrapper.cpp +++ b/win/inspircd_win32wrapper.cpp @@ -1 +1,513 @@ -/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd_win32wrapper.h"
#include "inspircd.h"
#include <string>
#include <errno.h>
#include <assert.h>
using namespace std;
#ifndef INADDR_NONE
#define INADDR_NONE 0xffffffff
#endif
HANDLE hIPCPipe;
int inet_aton(const char *cp, struct in_addr *addr)
{
unsigned long ip = inet_addr(cp);
addr->s_addr = ip;
return (addr->s_addr == INADDR_NONE) ? 0 : 1;
}
const char *inet_ntop(int af, const void *src, char *dst, socklen_t cnt)
{
if (af == AF_INET)
{
struct sockaddr_in in;
memset(&in, 0, sizeof(in));
in.sin_family = AF_INET;
memcpy(&in.sin_addr, src, sizeof(struct in_addr));
getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST);
return dst;
}
else if (af == AF_INET6)
{
struct sockaddr_in6 in;
memset(&in, 0, sizeof(in));
in.sin6_family = AF_INET6;
memcpy(&in.sin6_addr, src, sizeof(struct in_addr6));
getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST);
return dst;
}
return NULL;
}
int geteuid()
{
return 1;
}
int inet_pton(int af, const char *src, void *dst)
{
sockaddr_in sa;
int len = sizeof(SOCKADDR);
int rv = WSAStringToAddress((LPSTR)src, af, NULL, (LPSOCKADDR)&sa, &len);
if(rv >= 0)
{
if(WSAGetLastError() == 10022) // Invalid Argument
rv = 0;
else
rv = 1;
}
memcpy(dst, &sa.sin_addr, sizeof(struct in_addr));
return rv;
}
char * strtok_r(char *_String, const char *_Control, char **_Context)
{
unsigned char *str;
const unsigned char *ctl = (const unsigned char*)_Control;
unsigned char map[32];
if (_Context == 0 || !_Control)
return 0;
if (!(_String != NULL || *_Context != NULL))
return 0;
memset(map, 0, 32);
do {
map[*ctl >> 3] |= (1 << (*ctl & 7));
} while (*ctl++);
/* If string is NULL, set str to the saved
* pointer (i.e., continue breaking tokens out of the string
* from the last strtok call) */
if (_String != NULL)
{
str = (unsigned char*)_String;
}
else
{
str = (unsigned char*)*_Context;
}
/* Find beginning of token (skip over leading delimiters). Note that
* there is no token iff this loop sets str to point to the terminal
* null (*str == 0) */
while ((map[*str >> 3] & (1 << (*str & 7))) && *str != 0)
{
str++;
}
_String = (char*)str;
/* Find the end of the token. If it is not the end of the string,
* put a null there. */
for ( ; *str != 0 ; str++ )
{
if (map[*str >> 3] & (1 << (*str & 7)))
{
*str++ = 0;
break;
}
}
/* Update context */
*_Context = (char*)str;
/* Determine if a token has been found. */
if (_String == (char*)str)
{
return NULL;
}
else
{
return _String;
}
}
void setcolor(int color_code)
{
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color_code);
}
DIR * opendir(const char * path)
{
std::string search_path = string(path) + "\\*.*";
WIN32_FIND_DATA fd;
HANDLE f = FindFirstFile(search_path.c_str(), &fd);
if (f != INVALID_HANDLE_VALUE)
{
DIR * d = new DIR;
memcpy(&d->find_data, &fd, sizeof(WIN32_FIND_DATA));
d->find_handle = f;
d->first = true;
return d;
}
else
{
return 0;
}
}
dirent * readdir(DIR * handle)
{
if (handle->first)
handle->first = false;
else
{
if (!FindNextFile(handle->find_handle, &handle->find_data))
return 0;
}
strncpy(handle->dirent_pointer.d_name, handle->find_data.cFileName, MAX_PATH);
return &handle->dirent_pointer;
}
void closedir(DIR * handle)
{
FindClose(handle->find_handle);
delete handle;
}
const char * dlerror()
{
static char errormessage[500];
DWORD error = GetLastError();
SetLastError(0);
if (error == 0)
return 0;
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)errormessage, 500, 0);
return errormessage;
}
#define TRED FOREGROUND_RED | FOREGROUND_INTENSITY
#define TGREEN FOREGROUND_GREEN | FOREGROUND_INTENSITY
#define TYELLOW FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY
#define TNORMAL FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE
#define TWHITE TNORMAL | FOREGROUND_INTENSITY
#define TBLUE FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_INTENSITY
/* Handles colors in printf */
int printf_c(const char * format, ...)
{
// Better hope we're not multithreaded, otherwise we'll have chickens crossing the road other side to get the to :P
static char message[MAXBUF];
static char temp[MAXBUF];
int color1, color2;
/* parse arguments */
va_list ap;
va_start(ap, format);
vsnprintf(message, 500, format, ap);
va_end(ap);
/* search for unix-style escape sequences */
int t;
int c = 0;
const char * p = message;
while (*p != 0)
{
if (*p == '\033')
{
// Escape sequence -> copy into the temp buffer, and parse the color.
p++;
t = 0;
while ((*p) && (*p != 'm'))
{
temp[t++] = *p;
++p;
}
temp[t] = 0;
p++;
if (*temp == '[')
{
if (sscanf(temp, "[%u;%u", &color1, &color2) == 2)
{
switch(color2)
{
case 32: // Green
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | FOREGROUND_INTENSITY); // Yellow
break;
default: // Unknown
// White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY);
break;
}
}
else
{
switch (*(temp+1))
{
case '0':
// Returning to normal colour.
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
break;
case '1':
// White
SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), TWHITE);
break;
default:
char message[50];
sprintf(message, "Unknown color code: %s", temp);
MessageBox(0, message, message, MB_OK);
break;
}
}
}
}
putchar(*p);
++c;
++p;
}
return c;
}
int arg_counter = 1;
char optarg[514];
int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind)
{
// burlex todo: handle the shortops, at the moment it only works with longopts.
if (___argc == 1 || arg_counter == ___argc) // No arguments (apart from filename)
return -1;
const char * opt = ___argv[arg_counter];
int return_val = 0;
// if we're not an option, return an error.
if (strnicmp(opt, "--", 2) != 0)
return 1;
else
opt += 2;
// parse argument list
int i = 0;
for (; __longopts[i].name != 0; ++i)
{
if (!strnicmp(__longopts[i].name, opt, strlen(__longopts[i].name)))
{
// woot, found a valid argument =)
char * par = 0;
if ((arg_counter + 1) != ___argc)
{
// grab the parameter from the next argument (if its not another argument)
if (strnicmp(___argv[arg_counter+1], "--", 2) != 0)
{
arg_counter++; // Trash this next argument, we won't be needing it.
par = ___argv[arg_counter];
}
}
// increment the argument for next time
arg_counter++;
// determine action based on type
if (__longopts[i].has_arg == required_argument && !par)
{
// parameter missing and its a required parameter option
return 1;
}
// store argument in optarg
if (par)
strncpy(optarg, par, 514);
if (__longopts[i].flag != 0)
{
// this is a variable, we have to set it if this argument is found.
*__longopts[i].flag = 1;
return 0;
}
else
{
if (__longopts[i].val == -1 || par == 0)
return 1;
return __longopts[i].val;
}
break;
}
}
// return 1 (invalid argument)
return 1;
}
/* IPC Messages */
#define IPC_MESSAGE_REHASH 1
#define IPC_MESSAGE_DIE 2
#define IPC_MESSAGE_RESTART 3
void InitIPC()
{
static DWORD buflen = 1024;
static const char * pipename = "\\\\.\\mailslot\\Inspircd";
hIPCPipe = CreateMailslot(pipename, buflen, 0, 0);
if (hIPCPipe == INVALID_HANDLE_VALUE)
printf("IPC Pipe could not be created. Are you sure you didn't start InspIRCd twice?\n");
}
void CheckIPC(InspIRCd * Instance)
{
if (hIPCPipe == INVALID_HANDLE_VALUE)
return;
DWORD bytes;
DWORD action;
BOOL res = ReadFile(hIPCPipe, &action, sizeof(DWORD), &bytes, 0);
if (!res)
{
if (GetLastError() != ERROR_SEM_TIMEOUT)
Instance->Log(DEFAULT, "IPC Pipe Error %u: %s", GetLastError(), dlerror());
return;
}
switch (action)
{
case IPC_MESSAGE_REHASH:
InspIRCd::Rehash(0);
break;
case IPC_MESSAGE_DIE:
InspIRCd::Exit(0);
break;
case IPC_MESSAGE_RESTART:
Instance->Restart("IPC_MESSAGE_RESTART received by mailslot.");
break;
}
}
void CloseIPC()
{
CloseHandle(hIPCPipe);
}
/* These three functions were created from looking at how ares does it
* (...and they look far tidier in C++)
*/
/* Get active nameserver */
bool GetNameServer(HKEY regkey, const char *key, char* &output)
{
DWORD size = 0;
DWORD result = RegQueryValueEx(regkey, key, 0, NULL, NULL, &size);
if (((result != ERROR_SUCCESS) && (result != ERROR_MORE_DATA)) || (!size))
return false;
output = new char[size+1];
if ((RegQueryValueEx(regkey, key, 0, NULL, (LPBYTE)output, &size) != ERROR_SUCCESS) || (!*output))
{
delete output;
return false;
}
return true;
}
/* Check a network interface for its nameserver */
bool GetInterface(HKEY regkey, const char *key, char* &output)
{
char buf[39];
DWORD size = 39;
int idx = 0;
HKEY top;
while (RegEnumKeyEx(regkey, idx++, buf, &size, 0, NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS)
{
size = 39;
if (RegOpenKeyEx(regkey, buf, 0, KEY_QUERY_VALUE, &top) != ERROR_SUCCESS)
continue;
int rc = GetNameServer(top, key, output);
RegCloseKey(top);
if (rc)
return true;
}
return false;
}
std::string FindNameServerWin()
{
std::string returnval = "127.0.0.1";
HKEY top, key;
char* dns = NULL;
/* Lets see if the correct registry hive and tree exist */
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, KEY_READ, &top) == ERROR_SUCCESS)
{
/* If they do, attempt to get the nameserver name */
RegOpenKeyEx(top, "Interfaces", 0, KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS, &key);
if ((GetNameServer(top, "NameServer", dns)) || (GetNameServer(top, "DhcpNameServer", dns))
|| (GetInterface(key, "NameServer", dns)) || (GetInterface(key, "DhcpNameServer", dns)))
{
if (dns)
{
returnval = dns;
delete dns;
}
}
RegCloseKey(key);
RegCloseKey(top);
}
return returnval;
}
void ClearConsole()
{
COORD coordScreen = { 0, 0 }; /* here's where we'll home the cursor */
HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE);
DWORD cCharsWritten;
CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */
DWORD dwConSize; /* number of character cells in the current buffer */
/* get the number of character cells in the current buffer */
if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
{
dwConSize = csbi.dwSize.X * csbi.dwSize.Y;
/* fill the entire screen with blanks */
if (FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten ))
{
/* get the current text attribute */
if (GetConsoleScreenBufferInfo( hConsole, &csbi ))
{
/* now set the buffer's attributes accordingly */
if (FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten ))
{
/* put the cursor at (0, 0) */
SetConsoleCursorPosition( hConsole, coordScreen );
}
}
}
}
return;
}
\ No newline at end of file +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2007 InspIRCd Development Team + * See: http://www.inspircd.org/wiki/index.php/Credits + * + * This program is free but copyrighted software; see + * the file COPYING for details. + * + * --------------------------------------------------- + */ + +#include "inspircd_win32wrapper.h" +#include "inspircd.h" +#include <string> +#include <errno.h> +#include <assert.h> +using namespace std; + +#ifndef INADDR_NONE +#define INADDR_NONE 0xffffffff +#endif + +HANDLE hIPCPipe; + +int inet_aton(const char *cp, struct in_addr *addr) +{ + unsigned long ip = inet_addr(cp); + addr->s_addr = ip; + return (addr->s_addr == INADDR_NONE) ? 0 : 1; +} + +const char *inet_ntop(int af, const void *src, char *dst, socklen_t cnt) +{ + + if (af == AF_INET) + { + struct sockaddr_in in; + memset(&in, 0, sizeof(in)); + in.sin_family = AF_INET; + memcpy(&in.sin_addr, src, sizeof(struct in_addr)); + getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in), dst, cnt, NULL, 0, NI_NUMERICHOST); + return dst; + } + else if (af == AF_INET6) + { + struct sockaddr_in6 in; + memset(&in, 0, sizeof(in)); + in.sin6_family = AF_INET6; + memcpy(&in.sin6_addr, src, sizeof(struct in_addr6)); + getnameinfo((struct sockaddr *)&in, sizeof(struct sockaddr_in6), dst, cnt, NULL, 0, NI_NUMERICHOST); + return dst; + } + return NULL; +} + +int geteuid() +{ + return 1; +} + +int inet_pton(int af, const char *src, void *dst) +{ + sockaddr_in sa; + int len = sizeof(SOCKADDR); + int rv = WSAStringToAddress((LPSTR)src, af, NULL, (LPSOCKADDR)&sa, &len); + if(rv >= 0) + { + if(WSAGetLastError() == 10022) // Invalid Argument + rv = 0; + else + rv = 1; + } + memcpy(dst, &sa.sin_addr, sizeof(struct in_addr)); + return rv; +} + +char * strtok_r(char *_String, const char *_Control, char **_Context) +{ + unsigned char *str; + const unsigned char *ctl = (const unsigned char*)_Control; + unsigned char map[32]; + + if (_Context == 0 || !_Control) + return 0; + + if (!(_String != NULL || *_Context != NULL)) + return 0; + + memset(map, 0, 32); + + do { + map[*ctl >> 3] |= (1 << (*ctl & 7)); + } while (*ctl++); + + /* If string is NULL, set str to the saved + * pointer (i.e., continue breaking tokens out of the string + * from the last strtok call) */ + if (_String != NULL) + { + str = (unsigned char*)_String; + } + else + { + str = (unsigned char*)*_Context; + } + + /* Find beginning of token (skip over leading delimiters). Note that + * there is no token iff this loop sets str to point to the terminal + * null (*str == 0) */ + while ((map[*str >> 3] & (1 << (*str & 7))) && *str != 0) + { + str++; + } + + _String = (char*)str; + + /* Find the end of the token. If it is not the end of the string, + * put a null there. */ + for ( ; *str != 0 ; str++ ) + { + if (map[*str >> 3] & (1 << (*str & 7))) + { + *str++ = 0; + break; + } + } + + /* Update context */ + *_Context = (char*)str; + + /* Determine if a token has been found. */ + if (_String == (char*)str) + { + return NULL; + } + else + { + return _String; + } +} + +void setcolor(int color_code) +{ + SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), color_code); +} + +DIR * opendir(const char * path) +{ + std::string search_path = string(path) + "\\*.*"; + WIN32_FIND_DATA fd; + HANDLE f = FindFirstFile(search_path.c_str(), &fd); + if (f != INVALID_HANDLE_VALUE) + { + DIR * d = new DIR; + memcpy(&d->find_data, &fd, sizeof(WIN32_FIND_DATA)); + d->find_handle = f; + d->first = true; + return d; + } + else + { + return 0; + } +} + +dirent * readdir(DIR * handle) +{ + if (handle->first) + handle->first = false; + else + { + if (!FindNextFile(handle->find_handle, &handle->find_data)) + return 0; + } + + strncpy(handle->dirent_pointer.d_name, handle->find_data.cFileName, MAX_PATH); + return &handle->dirent_pointer; +} + +void closedir(DIR * handle) +{ + FindClose(handle->find_handle); + delete handle; +} + +const char * dlerror() +{ + static char errormessage[500]; + DWORD error = GetLastError(); + SetLastError(0); + if (error == 0) + return 0; + + FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, 0, error, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPTSTR)errormessage, 500, 0); + return errormessage; +} + +#define TRED FOREGROUND_RED | FOREGROUND_INTENSITY +#define TGREEN FOREGROUND_GREEN | FOREGROUND_INTENSITY +#define TYELLOW FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_INTENSITY +#define TNORMAL FOREGROUND_GREEN | FOREGROUND_RED | FOREGROUND_BLUE +#define TWHITE TNORMAL | FOREGROUND_INTENSITY +#define TBLUE FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_INTENSITY + +/* Handles colors in printf */ +int printf_c(const char * format, ...) +{ + // Better hope we're not multithreaded, otherwise we'll have chickens crossing the road other side to get the to :P + static char message[MAXBUF]; + static char temp[MAXBUF]; + int color1, color2; + + /* parse arguments */ + va_list ap; + va_start(ap, format); + vsnprintf(message, 500, format, ap); + va_end(ap); + + /* search for unix-style escape sequences */ + int t; + int c = 0; + const char * p = message; + while (*p != 0) + { + if (*p == '\033') + { + // Escape sequence -> copy into the temp buffer, and parse the color. + p++; + t = 0; + while ((*p) && (*p != 'm')) + { + temp[t++] = *p; + ++p; + } + + temp[t] = 0; + p++; + + if (*temp == '[') + { + if (sscanf(temp, "[%u;%u", &color1, &color2) == 2) + { + switch(color2) + { + case 32: // Green + SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_GREEN | FOREGROUND_INTENSITY); // Yellow + break; + + default: // Unknown + // White + SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE | FOREGROUND_INTENSITY); + break; + } + } + else + { + switch (*(temp+1)) + { + case '0': + // Returning to normal colour. + SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE); + break; + + case '1': + // White + SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), TWHITE); + break; + + default: + char message[50]; + sprintf(message, "Unknown color code: %s", temp); + MessageBox(0, message, message, MB_OK); + break; + } + } + } + } + + putchar(*p); + ++c; + ++p; + } + + return c; +} + +int arg_counter = 1; +char optarg[514]; +int getopt_long_only(int ___argc, char *const *___argv, const char *__shortopts, const struct option *__longopts, int *__longind) +{ + // burlex todo: handle the shortops, at the moment it only works with longopts. + + if (___argc == 1 || arg_counter == ___argc) // No arguments (apart from filename) + return -1; + + const char * opt = ___argv[arg_counter]; + int return_val = 0; + + // if we're not an option, return an error. + if (strnicmp(opt, "--", 2) != 0) + return 1; + else + opt += 2; + + + // parse argument list + int i = 0; + for (; __longopts[i].name != 0; ++i) + { + if (!strnicmp(__longopts[i].name, opt, strlen(__longopts[i].name))) + { + // woot, found a valid argument =) + char * par = 0; + if ((arg_counter + 1) != ___argc) + { + // grab the parameter from the next argument (if its not another argument) + if (strnicmp(___argv[arg_counter+1], "--", 2) != 0) + { + arg_counter++; // Trash this next argument, we won't be needing it. + par = ___argv[arg_counter]; + } + } + + // increment the argument for next time + arg_counter++; + + // determine action based on type + if (__longopts[i].has_arg == required_argument && !par) + { + // parameter missing and its a required parameter option + return 1; + } + + // store argument in optarg + if (par) + strncpy(optarg, par, 514); + + if (__longopts[i].flag != 0) + { + // this is a variable, we have to set it if this argument is found. + *__longopts[i].flag = 1; + return 0; + } + else + { + if (__longopts[i].val == -1 || par == 0) + return 1; + + return __longopts[i].val; + } + break; + } + } + + // return 1 (invalid argument) + return 1; +} + +/* IPC Messages */ +#define IPC_MESSAGE_REHASH 1 +#define IPC_MESSAGE_DIE 2 +#define IPC_MESSAGE_RESTART 3 + +void InitIPC() +{ + static DWORD buflen = 1024; + static const char * pipename = "\\\\.\\mailslot\\Inspircd"; + hIPCPipe = CreateMailslot(pipename, buflen, 0, 0); + if (hIPCPipe == INVALID_HANDLE_VALUE) + printf("IPC Pipe could not be created. Are you sure you didn't start InspIRCd twice?\n"); +} + +void CheckIPC(InspIRCd * Instance) +{ + if (hIPCPipe == INVALID_HANDLE_VALUE) + return; + + DWORD bytes; + DWORD action; + + BOOL res = ReadFile(hIPCPipe, &action, sizeof(DWORD), &bytes, 0); + if (!res) + { + if (GetLastError() != ERROR_SEM_TIMEOUT) + Instance->Log(DEFAULT, "IPC Pipe Error %u: %s", GetLastError(), dlerror()); + return; + } + + switch (action) + { + case IPC_MESSAGE_REHASH: + InspIRCd::Rehash(0); + break; + + case IPC_MESSAGE_DIE: + InspIRCd::Exit(0); + break; + + case IPC_MESSAGE_RESTART: + Instance->Restart("IPC_MESSAGE_RESTART received by mailslot."); + break; + } +} + +void CloseIPC() +{ + CloseHandle(hIPCPipe); +} + + +/* These three functions were created from looking at how ares does it + * (...and they look far tidier in C++) + */ + +/* Get active nameserver */ +bool GetNameServer(HKEY regkey, const char *key, char* &output) +{ + DWORD size = 0; + DWORD result = RegQueryValueEx(regkey, key, 0, NULL, NULL, &size); + if (((result != ERROR_SUCCESS) && (result != ERROR_MORE_DATA)) || (!size)) + return false; + + output = new char[size+1]; + + if ((RegQueryValueEx(regkey, key, 0, NULL, (LPBYTE)output, &size) != ERROR_SUCCESS) || (!*output)) + { + delete output; + return false; + } + return true; +} + +/* Check a network interface for its nameserver */ +bool GetInterface(HKEY regkey, const char *key, char* &output) +{ + char buf[39]; + DWORD size = 39; + int idx = 0; + HKEY top; + + while (RegEnumKeyEx(regkey, idx++, buf, &size, 0, NULL, NULL, NULL) != ERROR_NO_MORE_ITEMS) + { + size = 39; + if (RegOpenKeyEx(regkey, buf, 0, KEY_QUERY_VALUE, &top) != ERROR_SUCCESS) + continue; + int rc = GetNameServer(top, key, output); + RegCloseKey(top); + if (rc) + return true; + } + return false; +} + + +std::string FindNameServerWin() +{ + std::string returnval = "127.0.0.1"; + HKEY top, key; + char* dns = NULL; + + /* Lets see if the correct registry hive and tree exist */ + if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Services\\Tcpip\\Parameters", 0, KEY_READ, &top) == ERROR_SUCCESS) + { + /* If they do, attempt to get the nameserver name */ + RegOpenKeyEx(top, "Interfaces", 0, KEY_QUERY_VALUE|KEY_ENUMERATE_SUB_KEYS, &key); + if ((GetNameServer(top, "NameServer", dns)) || (GetNameServer(top, "DhcpNameServer", dns)) + || (GetInterface(key, "NameServer", dns)) || (GetInterface(key, "DhcpNameServer", dns))) + { + if (dns) + { + returnval = dns; + delete dns; + } + } + RegCloseKey(key); + RegCloseKey(top); + } + return returnval; +} + + +void ClearConsole() +{ + COORD coordScreen = { 0, 0 }; /* here's where we'll home the cursor */ + HANDLE hConsole = GetStdHandle(STD_OUTPUT_HANDLE); + DWORD cCharsWritten; + CONSOLE_SCREEN_BUFFER_INFO csbi; /* to get buffer info */ + DWORD dwConSize; /* number of character cells in the current buffer */ + + /* get the number of character cells in the current buffer */ + + if (GetConsoleScreenBufferInfo( hConsole, &csbi )) + { + dwConSize = csbi.dwSize.X * csbi.dwSize.Y; + /* fill the entire screen with blanks */ + if (FillConsoleOutputCharacter( hConsole, (TCHAR) ' ', dwConSize, coordScreen, &cCharsWritten )) + { + /* get the current text attribute */ + if (GetConsoleScreenBufferInfo( hConsole, &csbi )) + { + /* now set the buffer's attributes accordingly */ + if (FillConsoleOutputAttribute( hConsole, csbi.wAttributes, dwConSize, coordScreen, &cCharsWritten )) + { + /* put the cursor at (0, 0) */ + SetConsoleCursorPosition( hConsole, coordScreen ); + } + } + } + } + return; +} |