pcem/src/wx-hostconfig.c

229 lines
10 KiB
C

#define BITMAP WINDOWS_BITMAP
#include <windows.h>
#include <windowsx.h>
#undef BITMAP
#include <pcap.h>
#include "wx-utils.h"
#include "wx-sdl2.h"
#include "wx-hostconfig.h"
#include "ibm.h"
#include "config.h"
#include "nethandler.h"
static HINSTANCE net_hLib = 0;
static char *net_lib_name = "wpcap.dll";
static pcap_if_t *alldevs;
static char *dev_name[20];
int (*_pcap_findalldevs)(pcap_if_t **, char *);
void (*_pcap_freealldevs)(pcap_if_t *);
pcap_t *(*_pcap_open_live)(const char *, int, int, int, char *);
int (*_pcap_datalink)(pcap_t *);
void (*_pcap_close)(pcap_t *);
#define ETH_DEV_NAME_MAX 256 /* maximum device name size */
#define ETH_DEV_DESC_MAX 256 /* maximum device description size */
#define ETH_MAX_DEVICE 30 /* maximum ethernet devices */
#define ETH_PROMISC 1 /* promiscuous mode = true */
#define ETH_MAX_PACKET 1514 /* maximum ethernet packet size */
#define PCAP_READ_TIMEOUT -1
static int get_network_name(char *dev_name, char *regval)
{
if (dev_name[strlen( "\\Device\\NPF_" )] == '{')
{
char regkey[2048];
HKEY reghnd;
sprintf(regkey, "SYSTEM\\CurrentControlSet\\Control\\Network\\"
"{4D36E972-E325-11CE-BFC1-08002BE10318}\\%s\\Connection", dev_name+
strlen("\\Device\\NPF_"));
if (RegOpenKeyExA(HKEY_LOCAL_MACHINE, regkey, 0, KEY_QUERY_VALUE, &reghnd) == ERROR_SUCCESS)
{
DWORD reglen = 2048;
DWORD regtype;
if (RegQueryValueExA(reghnd, "Name", NULL, &regtype, (LPBYTE)regval, &reglen) == ERROR_SUCCESS)
{
RegCloseKey (reghnd);
if ((regtype != REG_SZ) || (reglen > 2048))
return -1;
/*Name now in regval*/
return 0;
}
RegCloseKey (reghnd);
}
}
return -1;
}
int hostconfig_dialog_proc(void *hdlg, int message, INT_PARAM wParam, LONG_PARAM lParam)
{
void *h;
pcap_if_t *dev;
char errbuf[PCAP_ERRBUF_SIZE];
switch (message)
{
case WX_INITDIALOG:
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_TYPE"));
wx_sendmessage(h, WX_CB_ADDSTRING, 0, (LONG_PARAM)"SLiRP");
wx_sendmessage(h, WX_CB_SETCURSEL, 0, 0);
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_DEVICE"));
wx_sendmessage(h, WX_CB_SETCURSEL, 0, 0);
wx_enablewindow(h, FALSE);
net_hLib = LoadLibraryA(net_lib_name);
if (net_hLib)
{
int c = 0;
int match = 0;
_pcap_findalldevs = (void *)GetProcAddress(net_hLib, "pcap_findalldevs");
_pcap_freealldevs = (void *)GetProcAddress(net_hLib, "pcap_freealldevs");
_pcap_open_live = (void *)GetProcAddress(net_hLib, "pcap_open_live");
_pcap_datalink = (void *)GetProcAddress(net_hLib, "pcap_datalink");
_pcap_close = (void *)GetProcAddress(net_hLib, "pcap_close");
if (_pcap_findalldevs(&alldevs, errbuf) != -1)
{
char *pcap_device = config_get_string(CFG_GLOBAL, NULL, "pcap_device", "nothing");
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_DEVICE"));
for (dev = alldevs; dev; dev = dev->next)
{
pcap_t *conn = _pcap_open_live(dev->name, ETH_MAX_PACKET, ETH_PROMISC, PCAP_READ_TIMEOUT, errbuf);
int datalink;
if (conn)
{
datalink = _pcap_datalink(conn);
_pcap_close(conn);
}
if (conn && datalink == DLT_EN10MB)
{
char desc[2048];
char s[2048];
if ((dev->flags & PCAP_IF_LOOPBACK) || (!strcmp("any", dev->name)))
continue;
if (pcap_device)
{
if (!strcmp(pcap_device, dev->name))
match = c;
}
dev_name[c++] = dev->name;
if (get_network_name(dev->name, desc))
wx_sendmessage(h, WX_CB_ADDSTRING, 0, (LONG_PARAM)dev->name);
else
{
sprintf(s, "%s - %s", dev->name, desc);
wx_sendmessage(h, WX_CB_ADDSTRING, 0, (LONG_PARAM)s);
}
}
}
}
if (c)
{
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_TYPE"));
wx_sendmessage(h, WX_CB_ADDSTRING, 0, (LONG_PARAM)"PCAP");
if (config_get_int(CFG_GLOBAL, NULL, "net_type", NET_SLIRP) == NET_PCAP)
{
wx_sendmessage(h, WX_CB_SETCURSEL, 1, 0);
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_DEVICE"));
wx_sendmessage(h, WX_CB_SETCURSEL, match, 0);
wx_enablewindow(h, TRUE);
}
}
}
return TRUE;
case WX_COMMAND:
if (wParam == wxID_OK)
{
int type;
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_TYPE"));
type = wx_sendmessage(h, WX_CB_GETCURSEL, 0, 0);
if (type) /*PCAP*/
{
int dev;
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_DEVICE"));
dev = wx_sendmessage(h, WX_CB_GETCURSEL, 0, 0);
config_set_int(CFG_GLOBAL, NULL, "net_type", NET_PCAP);
config_set_string(CFG_GLOBAL, NULL, "pcap_device", dev_name[dev]);
}
else /*SLiRP*/
{
config_set_int(CFG_GLOBAL, NULL, "net_type", NET_SLIRP);
config_set_string(CFG_GLOBAL, NULL, "pcap_device", "nothing");
}
saveconfig_global_only();
wx_enddialog(hdlg, 1);
if (net_hLib)
{
_pcap_freealldevs(alldevs);
_pcap_findalldevs = NULL;
_pcap_freealldevs = NULL;
_pcap_open_live = NULL;
_pcap_datalink = NULL;
_pcap_close = NULL;
FreeLibrary(net_hLib);
}
return TRUE;
}
else if (wParam == wxID_CANCEL)
{
wx_enddialog(hdlg, 0);
if (net_hLib)
{
_pcap_freealldevs(alldevs);
_pcap_findalldevs = NULL;
_pcap_freealldevs = NULL;
_pcap_open_live = NULL;
_pcap_datalink = NULL;
_pcap_close = NULL;
FreeLibrary(net_hLib);
}
return TRUE;
}
else if (ID_IS("IDC_COMBO_NETWORK_TYPE"))
{
int type;
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_TYPE"));
type = wx_sendmessage(h, WX_CB_GETCURSEL, 0, 0);
h = wx_getdlgitem(hdlg, WX_ID("IDC_COMBO_NETWORK_DEVICE"));
if (!type)
wx_enablewindow(h, FALSE);
else
wx_enablewindow(h, TRUE);
return TRUE;
}
break;
}
return TRUE;
}
int hostconfig_open(void *hwnd)
{
return wx_dialogbox(hwnd, "HostConfig", hostconfig_dialog_proc);
}