char *get_username(void)
{
DWORD namelen;
char *user;
int got_username = FALSE;
DECL_WINDOWS_FUNCTION(static, BOOLEAN, GetUserNameExA,
(EXTENDED_NAME_FORMAT, LPSTR, PULONG));
{
static int tried_usernameex = FALSE;
if (!tried_usernameex) {
/* Not available on Win9x, so load dynamically */
HMODULE secur32 = load_system32_dll("secur32.dll");
GET_WINDOWS_FUNCTION(secur32, GetUserNameExA);
tried_usernameex = TRUE;
}
}
if (p_GetUserNameExA) {
/*
* If available, use the principal -- this avoids the problem
* that the local username is case-insensitive but Kerberos
* usernames are case-sensitive.
*/
/* Get the length */
namelen = 0;
(void) p_GetUserNameExA(NameUserPrincipal, NULL, &namelen);
user = snewn(namelen, char);
got_username = p_GetUserNameExA(NameUserPrincipal, user, &namelen);
if (got_username) {
char *p = strchr(user, '@');
if (p) *p = 0;
} else {
sfree(user);
}
}
if (!got_username) {
/* Fall back to local user name */
namelen = 0;
if (GetUserName(NULL, &namelen) == FALSE) {
/*
* Apparently this doesn't work at least on Windows XP SP2.
* Thus assume a maximum of 256. It will fail again if it
* doesn't fit.
*/
namelen = 256;
}
user = snewn(namelen, char);
got_username = GetUserName(user, &namelen);
if (!got_username) {
sfree(user);
}
}
char *get_username(void)
{
DWORD namelen;
char *user;
int got_username = FALSE;
DECL_WINDOWS_FUNCTION(static, BOOLEAN, GetUserNameExA,
(EXTENDED_NAME_FORMAT, LPSTR, PULONG));
{
static int tried_usernameex = FALSE;
if (!tried_usernameex) {
/* Not available on Win9x, so load dynamically */
HMODULE secur32 = load_system32_dll("secur32.dll");
/* If MIT Kerberos is installed, the following call to
GET_WINDOWS_FUNCTION makes Windows implicitly load
sspicli.dll WITHOUT proper path sanitizing, so better
load it properly before */
HMODULE sspicli = load_system32_dll("sspicli.dll");
(void)sspicli; /* squash compiler warning about unused variable */
GET_WINDOWS_FUNCTION(secur32, GetUserNameExA);
tried_usernameex = TRUE;
}
}
if (p_GetUserNameExA) {
/*
* If available, use the principal -- this avoids the problem
* that the local username is case-insensitive but Kerberos
* usernames are case-sensitive.
*/
/* Get the length */
namelen = 0;
(void) p_GetUserNameExA(NameUserPrincipal, NULL, &namelen);
user = snewn(namelen, char);
got_username = p_GetUserNameExA(NameUserPrincipal, user, &namelen);
if (got_username) {
char *p = strchr(user, '@');
if (p) *p = 0;
} else {
sfree(user);
}
}
if (!got_username) {
/* Fall back to local user name */
namelen = 0;
if (GetUserName(NULL, &namelen) == FALSE) {
/*
* Apparently this doesn't work at least on Windows XP SP2.
* Thus assume a maximum of 256. It will fail again if it
* doesn't fit.
*/
namelen = 256;
}
user = snewn(namelen, char);
got_username = GetUserName(user, &namelen);
if (!got_username) {
sfree(user);
}
}
