static int get_device_guid(char *name, int name_size, char *actual_name, int actual_name_size)
{
HKEY control_net_key;
DWORD len;
int i, found = -1;
char enum_name[256];
char connection_string[256];
HKEY connection_key;
char name_data[256];
DWORD name_type;
const char name_string[] = "Name";
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, NETWORK_CONNECTIONS_KEY, 0, KEY_READ, &control_net_key) != ERROR_SUCCESS)
{
printm("Error opening registry key: %s\n", NETWORK_CONNECTIONS_KEY);
return -1;
}
for(i = 0; found < 0; i++)
{
len = sizeof(enum_name);
if(RegEnumKeyEx(control_net_key, i, enum_name, &len, NULL, NULL, NULL, NULL) != ERROR_SUCCESS)
{
printm("Error enumerating registry subkeys of key: %s\n", NETWORK_CONNECTIONS_KEY);
break;
}
snprintf(connection_string, sizeof(connection_string), "%s\\%s\\Connection", NETWORK_CONNECTIONS_KEY, enum_name);
if(RegOpenKeyEx(HKEY_LOCAL_MACHINE, connection_string, 0, KEY_READ, &connection_key) != ERROR_SUCCESS) continue;
len = sizeof(name_data);
if(!(RegQueryValueEx(connection_key, name_string, NULL, &name_type, (BYTE *)name_data, &len) != ERROR_SUCCESS ||
name_type != REG_SZ || is_tap_win32_dev(enum_name) != 0))
{
printm("Found TAP device named '%s'\n", name_data);
snprintf(name, name_size, "%s", enum_name);
if(actual_name) snprintf(actual_name, actual_name_size, "\"%s\"", name_data);
found = i;
}
RegCloseKey(connection_key);
}
RegCloseKey(control_net_key);
return(found < 0 ? -1 : 0);
}
static int get_device_guid(
char *name,
int name_size,
char *actual_name,
int actual_name_size,
struct Except* eh)
{
LONG status;
HKEY control_net_key;
DWORD len;
WinFail_check(eh, (
RegOpenKeyEx(HKEY_LOCAL_MACHINE, NETWORK_CONNECTIONS_KEY, 0, KEY_READ, &control_net_key)
));
int stop = 0;
for (int i = 0; !stop; i++) {
char enum_name[256];
char connection_string[256];
HKEY connKey;
char name_data[256];
DWORD name_type;
const char name_string[] = "Name";
len = sizeof (enum_name);
status = RegEnumKeyEx(control_net_key, i, enum_name, &len, NULL, NULL, NULL, NULL);
if (status == ERROR_NO_MORE_ITEMS) {
break;
} else if (status != ERROR_SUCCESS) {
WinFail_fail(eh, "RegEnumKeyEx() failed", status);
}
if (len != CString_strlen(NETWORK_ADAPTER_GUID)) {
// extranious directory, eg: "Descriptions"
continue;
}
snprintf(connection_string,
sizeof(connection_string),
"%s\\%s\\Connection",
NETWORK_CONNECTIONS_KEY, enum_name);
WinFail_check(eh, (
RegOpenKeyEx(HKEY_LOCAL_MACHINE, connection_string, 0, KEY_READ, &connKey)
));
// In Windows 10, some interface keys don't have names. We should keep
// going and treat those interfaces as having empty string names.
len = sizeof (name_data);
status = RegQueryValueEx(connKey, name_string, NULL, &name_type,
(uint8_t*)name_data, &len);
if (status == ERROR_FILE_NOT_FOUND) {
// The interface has no name.
strncpy(name_data, "", sizeof (name_data));
} else if (status != ERROR_SUCCESS) {
WinFail_fail(eh, "RegQueryValueEx() for interface name failed", status);
} else {
if (name_type != REG_SZ) {
// Someone named an interface with a non-string
WinFail_fail(eh, "RegQueryValueEx() name_type != REG_SZ", status);
}
}
if (is_tap_win32_dev(enum_name)) {
snprintf(name, name_size, "%s", enum_name);
if (actual_name) {
if (CString_strcmp(actual_name, "") != 0) {
if (CString_strcmp(name_data, actual_name) != 0) {
RegCloseKey (connKey);
++i;
continue;
}
}
else {
snprintf(actual_name, actual_name_size, "%s", name_data);
}
}
stop = 1;
}
RegCloseKey(connKey);
}
RegCloseKey (control_net_key);
if (stop == 0) {
return -1;
}
return 0;
}
static int get_device_guid(
char *name,
int name_size,
char *actual_name,
int actual_name_size)
{
LONG status;
HKEY control_net_key;
DWORD len;
int i = 0;
int stop = 0;
status = RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
NETWORK_CONNECTIONS_KEY,
0,
KEY_READ,
&control_net_key);
if (status != ERROR_SUCCESS) {
return -1;
}
while (!stop)
{
char enum_name[256];
char connection_string[256];
HKEY connection_key;
char name_data[256];
DWORD name_type;
const char name_string[] = "Name";
len = sizeof (enum_name);
status = RegEnumKeyEx(
control_net_key,
i,
enum_name,
&len,
NULL,
NULL,
NULL,
NULL);
if (status == ERROR_NO_MORE_ITEMS)
break;
else if (status != ERROR_SUCCESS) {
return -1;
}
snprintf(connection_string,
sizeof(connection_string),
"%s\\%s\\Connection",
NETWORK_CONNECTIONS_KEY, enum_name);
status = RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
connection_string,
0,
KEY_READ,
&connection_key);
if (status == ERROR_SUCCESS) {
len = sizeof (name_data);
status = RegQueryValueEx(
connection_key,
name_string,
NULL,
&name_type,
(LPBYTE)name_data,
&len);
if (status != ERROR_SUCCESS || name_type != REG_SZ) {
return -1;
}
else {
if (is_tap_win32_dev(enum_name)) {
snprintf(name, name_size, "%s", enum_name);
if (actual_name) {
if (strcmp(actual_name, "") != 0) {
if (strcmp(name_data, actual_name) != 0) {
RegCloseKey (connection_key);
++i;
continue;
}
}
else {
snprintf(actual_name, actual_name_size, "%s", name_data);
}
}
stop = 1;
}
}
RegCloseKey (connection_key);
}
++i;
}
RegCloseKey (control_net_key);
if (stop == 0)
return -1;
return 0;
}
co_rc_t get_device_guid(
char *name,
int name_size,
char *actual_name,
int actual_name_size)
{
LONG status;
HKEY control_net_key;
DWORD len;
int i = 0;
int stop = 0;
status = RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
NETWORK_CONNECTIONS_KEY,
0,
KEY_READ,
&control_net_key);
if (status != ERROR_SUCCESS) {
printf("Error opening registry key: %s", NETWORK_CONNECTIONS_KEY);
return CO_RC(ERROR);
}
while (!stop)
{
char enum_name[256];
char connection_string[256];
HKEY connection_key;
char name_data[256];
DWORD name_type;
const char name_string[] = "Name";
len = sizeof (enum_name);
status = RegEnumKeyEx(
control_net_key,
i,
enum_name,
&len,
NULL,
NULL,
NULL,
NULL);
if (status == ERROR_NO_MORE_ITEMS)
break;
else if (status != ERROR_SUCCESS) {
printf("Error enumerating registry subkeys of key: %s",
NETWORK_CONNECTIONS_KEY);
return CO_RC(ERROR);
}
snprintf(connection_string,
sizeof(connection_string),
"%s\\%s\\Connection",
NETWORK_CONNECTIONS_KEY, enum_name);
status = RegOpenKeyEx(
HKEY_LOCAL_MACHINE,
connection_string,
0,
KEY_READ,
&connection_key);
if (status == ERROR_SUCCESS) {
len = sizeof (name_data);
status = RegQueryValueEx(
connection_key,
name_string,
NULL,
&name_type,
name_data,
&len);
if (status != ERROR_SUCCESS || name_type != REG_SZ) {
co_terminal_print("colinux-net-daemon: error opening registry key: %s\\%s\\%s",
NETWORK_CONNECTIONS_KEY, connection_string, name_string);
return CO_RC(ERROR);
}
else {
if (is_tap_win32_dev(enum_name)) {
co_terminal_print("colinux-net-daemon: found TAP device named \"%s\"\n", name_data);
stop = 1;
snprintf(name, name_size, "%s", enum_name);
if (actual_name) {
if (*actual_name) {
/* verify given name */
if (strcmp(name_data, actual_name) != 0) {
stop = 0;
}
}
else {
/* name is not given */
snprintf(actual_name, actual_name_size, "%s", name_data);
}
}
}
}
RegCloseKey (connection_key);
}
++i;
}
RegCloseKey (control_net_key);
if (stop == 0)
return CO_RC(ERROR);
return CO_RC(OK);
}
