void standard_sub_conn(connection_struct *conn, char *str, size_t len)
{
char *s;
s = alloc_sub_advanced(SNUM(conn), conn->user, conn->connectpath,
conn->gid, smb_user_name, str);
if ( s ) {
strncpy( str, s, len );
SAFE_FREE( s );
}
}
char *talloc_sub_advanced(TALLOC_CTX *mem_ctx,
int snum,
const char *user,
const char *connectpath,
gid_t gid,
const char *smb_name,
const char *str)
{
char *a, *t;
a = alloc_sub_advanced(snum, user, connectpath, gid, smb_name, str);
if (!a) return NULL;
t = talloc_strdup(mem_ctx, a);
SAFE_FREE(a);
return t;
}
void standard_sub_snum(int snum, char *str, size_t len)
{
static uid_t cached_uid = -1;
static fstring cached_user;
char *s;
/* calling uidtoname() on every substitute would be too expensive, so
we cache the result here as nearly every call is for the same uid */
if (cached_uid != current_user.ut.uid) {
fstrcpy(cached_user, uidtoname(current_user.ut.uid));
cached_uid = current_user.ut.uid;
}
s = alloc_sub_advanced(snum, cached_user, "", current_user.ut.gid,
smb_user_name, str);
if ( s ) {
strncpy( str, s, len );
SAFE_FREE( s );
}
}
char *alloc_sub_conn(connection_struct *conn, const char *str)
{
return alloc_sub_advanced(SNUM(conn), conn->user, conn->connectpath,
conn->gid, smb_user_name, str);
}