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/cvs/gvpe/src/device-cygwin.C
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Comparing gvpe/src/device-cygwin.C (file contents):
Revision 1.3 by pcg, Wed Oct 15 00:25:15 2003 UTC vs.
Revision 1.4 by pcg, Wed Oct 15 01:35:45 2003 UTC

… …
56#define TAP_IOCTL_GET_LASTMAC TAP_CONTROL_CODE(0, METHOD_BUFFERED) 56#define TAP_IOCTL_GET_LASTMAC TAP_CONTROL_CODE(0, METHOD_BUFFERED)
57#define TAP_IOCTL_GET_MAC TAP_CONTROL_CODE(1, METHOD_BUFFERED) 57#define TAP_IOCTL_GET_MAC TAP_CONTROL_CODE(1, METHOD_BUFFERED)
58#define TAP_IOCTL_SET_STATISTICS TAP_CONTROL_CODE(2, METHOD_BUFFERED) 58#define TAP_IOCTL_SET_STATISTICS TAP_CONTROL_CODE(2, METHOD_BUFFERED)
59 59
60static HANDLE device_handle = INVALID_HANDLE_VALUE; 60static HANDLE device_handle = INVALID_HANDLE_VALUE;
61static mac my_mac;
61 62
62static const char * 63static const char *
63wstrerror (int err) 64wstrerror (int err)
64{ 65{
65 static char buf[1024]; 66 static char buf[1024];
… …
127 RegCloseKey (key2); 128 RegCloseKey (key2);
128 129
129 if (err) 130 if (err)
130 continue; 131 continue;
131 132
133 if (conf.ifname)
134 {
132 if (strcmp (conf.ifname, adapterid)) 135 if (strcmp (conf.ifname, adapterid))
133 continue; 136 continue;
134 137 }
138 else
139 {
135 found = true; 140 found = true;
136 break; 141 break;
142 }
137 143
138 snprintf (tapname, sizeof (tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, 144 snprintf (tapname, sizeof (tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, adapterid);
139 adapterid); 145 device_handle = CreateFile(tapname, GENERIC_WRITE | GENERIC_READ, 0, 0,
140 device_handle = CreateFile (tapname, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, indent: Standard input: 237: Error:Stmt nesting error.FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, 146 OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, 0);
141 0);
142 if (device_handle != INVALID_HANDLE_VALUE) 147 if (device_handle != INVALID_HANDLE_VALUE)
143 { 148 {
144 found = true; 149 found = true;
145 break; 150 break;
146 } 151 }
… …
149 RegCloseKey (key); 154 RegCloseKey (key);
150 155
151 if (!found) 156 if (!found)
152 { 157 {
153 slog (L_ERR, _("No Windows tap device found!")); 158 slog (L_ERR, _("No Windows tap device found!"));
154 return false; 159 exit (1);
155 } 160 }
156 161
157 if (!device) 162 strcpy (ifrname, adaptername);
158 device = xstrdup (adapterid);
159
160 if (!iface)
161 iface = xstrdup (adaptername);
162 163
163 /* Try to open the corresponding tap device */ 164 /* Try to open the corresponding tap device */
164 165
165 if (device_handle == INVALID_HANDLE_VALUE) 166 if (device_handle == INVALID_HANDLE_VALUE)
166 { 167 {
167 snprintf (tapname, sizeof (tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, 168 snprintf (tapname, sizeof (tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, device);
168 device);
169 device_handle = 169 device_handle =
170 CreateFile (tapname, GENERIC_WRITE | GENERIC_READ, 0, 0, 170 CreateFile (tapname, GENERIC_WRITE | GENERIC_READ, 0, 0,
171 OPEN_EXISTING, 171 OPEN_EXISTING,
172 FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, 0); 172 FILE_ATTRIBUTE_SYSTEM | FILE_FLAG_OVERLAPPED, 0);
173 } 173 }
174 174
175 if (device_handle == INVALID_HANDLE_VALUE) 175 if (device_handle == INVALID_HANDLE_VALUE)
176 { 176 {
177 slog (L_ERR, _("%s (%s) is not a usable Windows tap device: %s"), 177 slog (L_ERR, _("%s (%s) is not a usable Windows tap device: %s"),
178 device, iface, wstrerror (GetLastError ())); 178 device, iface, wstrerror (GetLastError ()));
179 return false; 179 exit (1);
180 } 180 }
181
182 fd = cygwin_attach_handle_to_fd (tapname, -1, device_handle, 1, GENERIC_WRITE | GENERIC_READ);
181 183
182 /* Get MAC address from tap device */ 184 /* Get MAC address from tap device */
183 185
184 if (!DeviceIoControl 186 if (!DeviceIoControl
185 (device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof (mymac.x), mymac.x, 187 (device_handle, TAP_IOCTL_GET_MAC, &mac, sizeof (mac), &mac, sizeof (mac), &len, 0))
186 sizeof (mymac.x), &len, 0))
187 { 188 {
188 slog (L_ERR, 189 slog (L_ERR,
189 _
190 ("Could not get MAC address from Windows tap device %s (%s): %s"), 190 _("Could not get MAC address from Windows tap device %s (%s): %s"),
191 device, iface, wstrerror (GetLastError ())); 191 device, iface, wstrerror (GetLastError ()));
192 return false; 192 exit (1);
193 }
194
195 if (routing_mode == RMODE_ROUTER)
196 { 193 }
197 overwrite_mac = 1;
198 }
199
200 /* Create a listening socket */
201
202 err = getaddrinfo (NULL, myport, &hint, &ai);
203
204 if (err || !ai)
205 {
206 slog (L_ERR, _("System call `%s' failed: %s"), "getaddrinfo",
207 gai_strerror (errno));
208 return false;
209 }
210
211 sock = socket (ai->ai_family, ai->ai_socktype, ai->ai_protocol);
212
213 if (sock < 0)
214 {
215 slog (L_ERR, _("System call `%s' failed: %s"), "socket",
216 strerror (errno));
217 return false;
218 }
219
220 if (bind (sock, ai->ai_addr, ai->ai_addrlen))
221 {
222 slog (L_ERR, _("System call `%s' failed: %s"), "bind",
223 strerror (errno));
224 return false;
225 }
226
227 freeaddrinfo (ai);
228
229 if (listen (sock, 1))
230 {
231 slog (L_ERR, _("System call `%s' failed: %s"), "listen",
232 strerror (errno));
233 return false;
234 }
235
236 /* Start the tap reader */
237
238 thread = CreateThread (NULL, 0, tapreader, NULL, 0, NULL);
239
240 if (!thread)
241 {
242 slog (L_ERR, _("System call `%s' failed: %s"), "CreateThread",
243 wstrerror (GetLastError ()));
244 return false;
245 }
246
247 /* Wait for the tap reader to connect back to us */
248
249 if ((device_fd = accept (sock, NULL, 0)) == -1)
250 {
251 slog (L_ERR, _("System call `%s' failed: %s"), "accept",
252 strerror (errno));
253 return false;
254 }
255
256 closesocket (sock);
257
258 device_info = _("Windows tap device");
259
260 slog (L_INFO, _("%s (%s) is a %s"), device, iface, device_info);
261
262 return true;
263}
264
265} 194}
266 195
267tap_device::~tap_device () 196tap_device::~tap_device ()
268{ 197{
269 close (fd); 198 close (fd);

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