Better checking of configuration.

proto/ospf/config.Y

@@ -81,12 +81,12 @@ ospf_area_item:
  ;
 
 ospf_iface_item:
-   COST expr { OSPF_PATT->cost = $2 ; if($2<=0) cf_error("Cost must be greater than zero"); }
+   COST expr { OSPF_PATT->cost = $2 ; if (($2<=0) || ($2>65535)) cf_error("Cost must be in range 1-65535"); }
- | HELLO expr { OSPF_PATT->helloint = $2 ; if($2<=0) cf_error("Hello int must be greater than zero"); }
+ | HELLO expr { OSPF_PATT->helloint = $2 ; if (($2<=0) || ($2>65535)) cf_error("Hello interval must be in range 1-65535"); }
  | POLL expr { OSPF_PATT->pollint = $2 ; if ($2<=0) cf_error("Poll int must be greater than zero"); }
  | RETRANSMIT expr { OSPF_PATT->rxmtint = $2 ; if ($2<=0) cf_error("Retransmit int must be greater than zero"); }
- | TRANSMIT DELAY expr { OSPF_PATT->inftransdelay = $3 ; if($3<=0) cf_error("Transmit delay must be greater than zero"); }
+ | TRANSMIT DELAY expr { OSPF_PATT->inftransdelay = $3 ; if (($3<=0) || ($3>65535)) cf_error("Transmit delay must be in range 1-65535"); }
- | PRIORITY expr { OSPF_PATT->priority = $2 ; }
+ | PRIORITY expr { OSPF_PATT->priority = $2 ; if (($2<0) || ($2>255)) cf_error("Priority must be in range 0-255")}
  | WAIT expr { OSPF_PATT->waitint = $2 ; }
  | DEAD COUNT expr { OSPF_PATT->deadc = $3 ; if ($3<=1) cf_error("Dead count must be greater than one"); }
  | TYPE BROADCAST { OSPF_PATT->type = OSPF_IT_BCAST ; }
@@ -98,7 +98,6 @@ ospf_iface_item:
  | AUTHENTICATION NONE { OSPF_PATT->autype=AU_NONE ; }
  | AUTHENTICATION SIMPLE { OSPF_PATT->autype=AU_SIMPLE ; }
  | PASSWORD TEXT { memcpy(OSPF_PATT->password, $2, 8); }
- |
  ;
 
 pref_list:

proto/ospf/ospf.h

@@ -104,14 +104,14 @@ struct ospf_iface
   sock *ip_sk;			/* IP socket (for DD ...) */
   list neigh_list;		/* List of neigbours */
   u16 cost;			/* Cost of iface */
-  u16 rxmtint;			/* number of seconds between LSA retransmissions */
   u16 inftransdelay;		/* The estimated number of seconds it takes to
 				   transmit a Link State Update Packet over this
 				   interface.  LSAs contained in the update */
   u8 priority;			/* A router priority for DR election */
   u16 helloint;			/* number of seconds between hello sending */
-  u16 waitint;			/* number of sec before changing state from wait */
+  u32 waitint;			/* number of sec before changing state from wait */
-  u16 pollint;			/* Poll interval */
+  u32 rxmtint;			/* number of seconds between LSA retransmissions */
+  u32 pollint;			/* Poll interval */
   u32 deadc;			/* after "deadint" missing hellos is router dead */
   u16 autype;
   u8 aukey[8];
@@ -453,18 +453,18 @@ struct proto_ospf
 struct ospf_iface_patt
 {
   struct iface_patt i;
-  int cost;
+  u32 cost;
-  int helloint;
+  u32 helloint;
-  int rxmtint;
+  u32 rxmtint;
-  int pollint;
+  u32 pollint;
-  int inftransdelay;
+  u32 inftransdelay;
-  int priority;
+  u32 priority;
-  int waitint;
+  u32 waitint;
-  int deadc;
+  u32 deadc;
-  int type;
+  u32 type;
-  int autype;
+  u32 autype;
-  int strictnbma;
+  u32 strictnbma;
-  int stub;
+  u32 stub;
 /* must be in network byte order */
 #define AU_NONE htons(0)
 #define AU_SIMPLE htons(1)