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Import Upstream version 1.0.10

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This commit is contained in:
Guus Sliepen 2019-08-26 13:44:38 +02:00
parent 5d002cc66a
commit fa871d431d
152 changed files with 15479 additions and 25408 deletions
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76
src/cygwin/device.c
View file

@ -1,7 +1,7 @@
/*
device.c -- Interaction with Windows tap driver in a Cygwin environment
Copyright (C) 2002-2005 Ivo Timmermans,
2002-2006 Guus Sliepen <guus@tinc-vpn.org>
2002-2009 Guus Sliepen <guus@tinc-vpn.org>
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
@ -13,11 +13,9 @@
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; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
$Id: device.c 1452 2006-04-26 13:52:58Z guus $
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "system.h"
@ -38,7 +36,7 @@ int device_fd = -1;
static HANDLE device_handle = INVALID_HANDLE_VALUE;
char *device = NULL;
char *iface = NULL;
char *device_info = NULL;
static char *device_info = NULL;
static int device_total_in = 0;
static int device_total_out = 0;
@ -46,8 +44,7 @@ static int device_total_out = 0;
static pid_t reader_pid;
static int sp[2];
bool setup_device(void)
{
bool setup_device(void) {
HKEY key, key2;
int i, err;
@ -60,15 +57,13 @@ bool setup_device(void)
bool found = false;
cp();
get_config_string(lookup_config(config_tree, "Device"), &device);
get_config_string(lookup_config(config_tree, "Interface"), &iface);
/* Open registry and look for network adapters */
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, NETWORK_CONNECTIONS_KEY, 0, KEY_READ, &key)) {
logger(LOG_ERR, _("Unable to read registry: %s"), winerror(GetLastError()));
logger(LOG_ERR, "Unable to read registry: %s", winerror(GetLastError()));
return false;
}
@ -120,7 +115,7 @@ bool setup_device(void)
RegCloseKey(key);
if(!found) {
logger(LOG_ERR, _("No Windows tap device found!"));
logger(LOG_ERR, "No Windows tap device found!");
return false;
}
@ -137,7 +132,7 @@ bool setup_device(void)
Furthermore I don't really know how to do it the "Windows" way. */
if(socketpair(AF_UNIX, SOCK_DGRAM, PF_UNIX, sp)) {
logger(LOG_DEBUG, _("System call `%s' failed: %s"), "socketpair", strerror(errno));
logger(LOG_DEBUG, "System call `%s' failed: %s", "socketpair", strerror(errno));
return false;
}
@ -146,7 +141,7 @@ bool setup_device(void)
device_handle = CreateFile(tapname, GENERIC_WRITE, FILE_SHARE_READ, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM , 0);
if(device_handle == INVALID_HANDLE_VALUE) {
logger(LOG_ERR, _("Could not open Windows tap device %s (%s) for writing: %s"), device, iface, winerror(GetLastError()));
logger(LOG_ERR, "Could not open Windows tap device %s (%s) for writing: %s", device, iface, winerror(GetLastError()));
return false;
}
@ -155,7 +150,7 @@ bool setup_device(void)
/* Get MAC address from tap device */
if(!DeviceIoControl(device_handle, TAP_IOCTL_GET_MAC, mymac.x, sizeof(mymac.x), mymac.x, sizeof(mymac.x), &len, 0)) {
logger(LOG_ERR, _("Could not get MAC address from Windows tap device %s (%s): %s"), device, iface, winerror(GetLastError()));
logger(LOG_ERR, "Could not get MAC address from Windows tap device %s (%s): %s", device, iface, winerror(GetLastError()));
return false;
}
@ -168,7 +163,7 @@ bool setup_device(void)
reader_pid = fork();
if(reader_pid == -1) {
logger(LOG_DEBUG, _("System call `%s' failed: %s"), "fork", strerror(errno));
logger(LOG_DEBUG, "System call `%s' failed: %s", "fork", strerror(errno));
return false;
}
@ -184,13 +179,13 @@ bool setup_device(void)
device_handle = CreateFile(tapname, GENERIC_READ, FILE_SHARE_WRITE, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM, 0);
if(device_handle == INVALID_HANDLE_VALUE) {
logger(LOG_ERR, _("Could not open Windows tap device %s (%s) for reading: %s"), device, iface, winerror(GetLastError()));
logger(LOG_ERR, "Could not open Windows tap device %s (%s) for reading: %s", device, iface, winerror(GetLastError()));
buf[0] = 0;
write(sp[1], buf, 1);
exit(1);
}
logger(LOG_DEBUG, _("Tap reader forked and running."));
logger(LOG_DEBUG, "Tap reader forked and running.");
/* Notify success */
@ -207,36 +202,33 @@ bool setup_device(void)
read(device_fd, &gelukt, 1);
if(gelukt != 1) {
logger(LOG_DEBUG, _("Tap reader failed!"));
logger(LOG_DEBUG, "Tap reader failed!");
return false;
}
device_info = _("Windows tap device");
device_info = "Windows tap device";
logger(LOG_INFO, _("%s (%s) is a %s"), device, iface, device_info);
logger(LOG_INFO, "%s (%s) is a %s", device, iface, device_info);
return true;
}
void close_device(void)
{
cp();
void close_device(void) {
close(sp[0]);
close(sp[1]);
CloseHandle(device_handle);
kill(reader_pid, SIGKILL);
free(device);
free(iface);
}
bool read_packet(vpn_packet_t *packet)
{
bool read_packet(vpn_packet_t *packet) {
int lenin;
cp();
if((lenin = read(sp[0], packet->data, MTU)) <= 0) {
logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info,
logger(LOG_ERR, "Error while reading from %s %s: %s", device_info,
device, strerror(errno));
return false;
}
@ -245,23 +237,20 @@ bool read_packet(vpn_packet_t *packet)
device_total_in += packet->len;
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Read packet of %d bytes from %s"), packet->len,
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Read packet of %d bytes from %s", packet->len,
device_info);
return true;
}
bool write_packet(vpn_packet_t *packet)
{
bool write_packet(vpn_packet_t *packet) {
long lenout;
cp();
ifdebug(TRAFFIC) logger(LOG_DEBUG, _("Writing packet of %d bytes to %s"),
ifdebug(TRAFFIC) logger(LOG_DEBUG, "Writing packet of %d bytes to %s",
packet->len, device_info);
if(!WriteFile (device_handle, packet->data, packet->len, &lenout, NULL)) {
logger(LOG_ERR, _("Error while writing to %s %s: %s"), device_info, device, winerror(GetLastError()));
logger(LOG_ERR, "Error while writing to %s %s: %s", device_info, device, winerror(GetLastError()));
return false;
}
@ -270,11 +259,8 @@ bool write_packet(vpn_packet_t *packet)
return true;
}
void dump_device_stats(void)
{
cp();
logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);
logger(LOG_DEBUG, _(" total bytes in: %10d"), device_total_in);
logger(LOG_DEBUG, _(" total bytes out: %10d"), device_total_out);
void dump_device_stats(void) {
logger(LOG_DEBUG, "Statistics for %s %s:", device_info, device);
logger(LOG_DEBUG, " total bytes in: %10d", device_total_in);
logger(LOG_DEBUG, " total bytes out: %10d", device_total_out);
}