X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=src%2Fcygwin%2Fdevice.c;h=97b2a38d0c60ef327317efec5359d032c9e3bd58;hp=c6e6f35392a4f0e76704f75d1991255bafe20977;hb=08aabbf9317806bc50a9a6693ca866c8936ce26b;hpb=43fa7283ac01f2ecc95381b519ef6b3342546f35 diff --git a/src/cygwin/device.c b/src/cygwin/device.c index c6e6f353..97b2a38d 100644 --- a/src/cygwin/device.c +++ b/src/cygwin/device.c @@ -46,8 +46,7 @@ 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; @@ -73,18 +72,18 @@ bool setup_device(void) } for (i = 0; ; i++) { - len = sizeof(adapterid); + len = sizeof adapterid; if(RegEnumKeyEx(key, i, adapterid, &len, 0, 0, 0, NULL)) break; /* Find out more about this adapter */ - snprintf(regpath, sizeof(regpath), "%s\\%s\\Connection", NETWORK_CONNECTIONS_KEY, adapterid); + snprintf(regpath, sizeof regpath, "%s\\%s\\Connection", NETWORK_CONNECTIONS_KEY, adapterid); if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, regpath, 0, KEY_READ, &key2)) continue; - len = sizeof(adaptername); + len = sizeof adaptername; err = RegQueryValueEx(key2, "Name", 0, 0, adaptername, &len); RegCloseKey(key2); @@ -108,7 +107,7 @@ bool setup_device(void) continue; } - snprintf(tapname, sizeof(tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, adapterid); + snprintf(tapname, sizeof tapname, USERMODEDEVICEDIR "%s" TAPSUFFIX, adapterid); device_handle = CreateFile(tapname, GENERIC_WRITE | GENERIC_READ, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_SYSTEM, 0); if(device_handle != INVALID_HANDLE_VALUE) { CloseHandle(device_handle); @@ -130,7 +129,7 @@ bool setup_device(void) if(!iface) iface = xstrdup(adaptername); - snprintf(tapname, sizeof(tapname), USERMODEDEVICEDIR "%s" TAPSUFFIX, device); + snprintf(tapname, sizeof tapname, USERMODEDEVICEDIR "%s" TAPSUFFIX, device); /* Now we are going to open this device twice: once for reading and once for writing. We do this because apparently it isn't possible to check for activity in the select() loop. @@ -154,7 +153,7 @@ 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)) { + 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())); return false; } @@ -177,7 +176,7 @@ bool setup_device(void) It passes everything it reads to the socket. */ char buf[MTU]; - long lenin; + long inlen; CloseHandle(device_handle); @@ -200,8 +199,8 @@ bool setup_device(void) /* Pass packets */ for(;;) { - ReadFile(device_handle, buf, MTU, &lenin, NULL); - write(sp[1], buf, lenin); + ReadFile(device_handle, buf, MTU, &inlen, NULL); + write(sp[1], buf, inlen); } } @@ -218,8 +217,7 @@ bool setup_device(void) return true; } -void close_device(void) -{ +void close_device(void) { cp(); close(sp[0]); @@ -232,19 +230,18 @@ void close_device(void) free(iface); } -bool read_packet(vpn_packet_t *packet) -{ - int lenin; +bool read_packet(vpn_packet_t *packet) { + int inlen; cp(); - if((lenin = read(sp[0], packet->data, MTU)) <= 0) { + if((inlen = read(sp[0], packet->data, MTU)) <= 0) { logger(LOG_ERR, _("Error while reading from %s %s: %s"), device_info, device, strerror(errno)); return false; } - packet->len = lenin; + packet->len = inlen; device_total_in += packet->len; @@ -254,16 +251,15 @@ bool read_packet(vpn_packet_t *packet) return true; } -bool write_packet(vpn_packet_t *packet) -{ - long lenout; +bool write_packet(vpn_packet_t *packet) { + long outlen; cp(); 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)) { + if(!WriteFile (device_handle, packet->data, packet->len, &outlen, NULL)) { logger(LOG_ERR, _("Error while writing to %s %s: %s"), device_info, device, winerror(GetLastError())); return false; } @@ -273,8 +269,7 @@ bool write_packet(vpn_packet_t *packet) return true; } -void dump_device_stats(void) -{ +void dump_device_stats(void) { cp(); logger(LOG_DEBUG, _("Statistics for %s %s:"), device_info, device);