From: Rainer Orth <ro@techfak.uni-bielefeld.de>
Date: Thu, 2 Oct 2003 16:53:51 +0000 (+0000)
Subject: 	Improve RPC XID handling.
X-Git-Tag: before-retrans-udp-tcp-split~80
X-Git-Url: https://git.fsl.cs.sunysb.edu/?a=commitdiff_plain;h=31f211bf1d9c8a23d65a3f6c90bc95cf1d6da5c3;p=am-utils-6.2.git

	Improve RPC XID handling.

	* amd/rpc_fwd.c (fwd_packet, fwd_reply): Always log xid.
	Convert xid to/from host/network byte order.
---

diff --git a/ChangeLog b/ChangeLog
index b87cd9b0..dff70bd2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2003-10-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
+
+	Improve RPC XID handling.
+
+	* amd/rpc_fwd.c (fwd_packet, fwd_reply): Always log xid.
+	Convert xid to/from host/network byte order.
+
 2003-10-02  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
 
 	Use NFS V2/V3 file handles instead of mount results.
diff --git a/amd/rpc_fwd.c b/amd/rpc_fwd.c
index b92de8bc..37b05e2e 100644
--- a/amd/rpc_fwd.c
+++ b/amd/rpc_fwd.c
@@ -37,7 +37,7 @@
  * SUCH DAMAGE.
  *
  *
- * $Id: rpc_fwd.c,v 1.14 2003/10/02 16:03:47 ro Exp $
+ * $Id: rpc_fwd.c,v 1.15 2003/10/02 16:53:51 ro Exp $
  *
  */
 
@@ -246,13 +246,13 @@ fwd_packet(int type_id, char *pkt, int len, struct sockaddr_in *fwdto, struct so
    */
   switch (type_id & RPC_XID_MASK) {
   case RPC_XID_PORTMAP:
-    dlog("Sending PORTMAP request");
+    dlog("Sending PORTMAP request %#x", type_id);
     break;
   case RPC_XID_MOUNTD:
     dlog("Sending MOUNTD request %#x", type_id);
     break;
   case RPC_XID_NFSPING:
-    dlog("Sending NFS ping");
+    dlog("Sending NFS ping %#x", type_id);
     break;
   default:
     dlog("UNKNOWN RPC XID %#x", type_id);
@@ -281,12 +281,13 @@ fwd_packet(int type_id, char *pkt, int len, struct sockaddr_in *fwdto, struct so
   /*
    * Get the original packet id
    */
-  p->rf_oldid = *pkt_int;
+  p->rf_oldid = ntohl(*pkt_int);
 
   /*
    * Replace with newly allocated id
    */
-  p->rf_xid = *pkt_int = type_id;
+  p->rf_xid = type_id;
+  *pkt_int = htonl(type_id);
 
   /*
    * The sendto may fail if, for example, the route
@@ -355,6 +356,7 @@ fwd_reply(void)
   int len;
   u_int pkt[MAX_PACKET_SIZE / sizeof(u_int) + 1];
   u_int *pkt_int;
+  u_int pkt_xid;
   int rc;
   rpc_forward *p;
   struct sockaddr_in src_addr;
@@ -425,25 +427,26 @@ again:
    * Find packet reference
    */
   pkt_int = (u_int *) pkt;
+  pkt_xid = ntohl(*pkt_int);
 
-  switch (*pkt_int & RPC_XID_MASK) {
+  switch (pkt_xid & RPC_XID_MASK) {
   case RPC_XID_PORTMAP:
-    dlog("Receiving PORTMAP reply");
+    dlog("Receiving PORTMAP reply %#x", pkt_xid);
     break;
   case RPC_XID_MOUNTD:
-    dlog("Receiving MOUNTD reply %#x", *pkt_int);
+    dlog("Receiving MOUNTD reply %#x", pkt_xid);
     break;
   case RPC_XID_NFSPING:
-    dlog("Receiving NFS ping %#x", *pkt_int);
+    dlog("Receiving NFS ping %#x", pkt_xid);
     break;
   default:
-    dlog("UNKNOWN RPC XID");
+    dlog("UNKNOWN RPC XID %#x", pkt_xid);
     break;
   }
 
-  p = fwd_locate(*pkt_int);
+  p = fwd_locate(pkt_xid);
   if (!p) {
-    dlog("Can't forward reply id %#x", *pkt_int);
+    dlog("Can't forward reply id %#x", pkt_xid);
     goto out;
   }
 
@@ -452,7 +455,7 @@ again:
      * Put the original message id back
      * into the packet.
      */
-    *pkt_int = p->rf_oldid;
+    *pkt_int = htonl(p->rf_oldid);
 
     /*
      * Call forwarding function