add tmprnd() for adhoc rng

src/engine/master.cpp

@@ -244,7 +244,7 @@ void reqauth(masterclient &c, uint id, char *name, char *hostname)
     a.reqtime = totalmillis;
     a.id = id;
     copystring(a.hostname, host);
-    uint seed[3] = { uint(starttime), uint(totalmillis), randomMT() };
+    uint seed[3] = { uint(starttime), uint(totalmillis), tmprnd() };
     static vector<char> buf;
     buf.setsize(0);
     a.answer = genchallenge(u->pubkey, seed, sizeof(seed), buf);
@@ -270,7 +270,7 @@ void reqserverauth(masterclient &c, char *name)
 
     c.serverauthreq.user = u;
     c.serverauthreq.reqtime = totalmillis;
-    uint seed[3] = { uint(starttime), uint(totalmillis), randomMT() };
+    uint seed[3] = { uint(starttime), uint(totalmillis), tmprnd() };
     static vector<char> buf;
     buf.setsize(0);
     c.serverauthreq.answer = genchallenge(u->pubkey, seed, sizeof(seed), buf);

src/shared/tools.cpp

@@ -34,6 +34,12 @@ int detrnd(int seed, int value)
     return rnddet(algseed);
 }
 
+// randomMT has been renamed to tmprnd for adhoc RNG
+uint tmprnd()
+{
+    return rndalg();
+}
+
 ///////////////////////// network ///////////////////////
 
 // all network traffic is in 32bit ints, which are then compressed using the following simple scheme (assumes that most values are small).

src/shared/tools.h

@@ -1685,6 +1685,7 @@ extern void endianswap(void *, int, int);
 extern int rnd(int);
 extern float rndfloat(int);
 extern int detrnd(int, int);
+extern uint tmprnd();
 extern void putint(ucharbuf &p, int n);
 extern void putint(packetbuf &p, int n);
 extern void putint(vector<uchar> &p, int n);