Only in clink.1.0a: .collect.c.swp
Only in clink.1.0a: clink
diff -ru clink.1.0/collect.c clink.1.0a/collect.c
--- clink.1.0/collect.c	Sat Aug 14 22:47:04 1999
+++ clink.1.0a/collect.c	Sat Jun 24 16:50:19 2000
@@ -95,13 +95,22 @@
      the header of the packet that caused the error */
 
   hip = (struct ip *) (recvbuf + hlen1 + 8);
-  if (hip->ip_p != IPPROTO_UDP) return 0;
+  if (hip->ip_p != IPPROTO_UDP) {
+    if (verbose) printf("Wrong protocol %d != %d\n", hip->ip_p, IPPROTO_UDP);
+    return 0;
+  }
 
   hlen2 = hip->ip_hl << 2;
   udp = (struct udphdr *) (recvbuf + hlen1 + 8 + hlen2);
 
-  if (udp->source != htons (sport)) return 0;
-  if (udp->dest != htons (dport)) return 0;
+  if (udp->source != htons (sport)) {
+    if (verbose) printf("Wrong source port %d != %d\n", ntohs(udp->source), (sport));
+    return 0;
+  }
+  if (udp->dest != htons (dport)) {
+    if (verbose) printf("Wrong destination port %d != %d\n", ntohs(udp->dest), (dport));
+    return 0;
+  }
 
   /* now we know it's an ICMP packet caused by a UDP
      datagram sent by us and sent to the port we happen to
@@ -118,7 +127,7 @@
   }
 
   if (icmp->icmp_type == ICMP_DEST_UNREACH) {
-    if (icmp->icmp_code == ICMP_PORT_UNREACH) {
+    if ( (icmp->icmp_code == ICMP_PORT_UNREACH) || (icmp->icmp_code == ICMP_PKT_FILTERED) ) {
       return -1;
     } else {
       return 0;
@@ -344,7 +353,7 @@
    fill in the timestamps.  I am assuming that they don't have
    any actual effect.  */
 
-void clink_init (char *host, int tos)
+void clink_init (char *host, int sport0, int tos)
 {
   int n;
   struct addrinfo *ai = NULL;
@@ -403,6 +412,8 @@
 
   sabind->sa_family = sasend->sa_family;
   sport = (getpid() & 0xffff) | 0x8000;       /* source UDP port # */
+if (sport>=61000) sport -= 10000;
+  if (sport0>0) sport = sport0;
   sock_set_port (sabind, salen, htons(sport));
   Bind (sendfd, sabind, salen);
 
Only in clink.1.0a: collect.o
diff -ru clink.1.0/process.c clink.1.0a/process.c
--- clink.1.0/process.c	Sat Aug 14 22:47:04 1999
+++ clink.1.0a/process.c	Thu Jun 22 19:21:52 2000
@@ -21,6 +21,8 @@
 int wait_time = 2;           /* how many seconds to wait before timeout */
 int dns_resolve = 1;         /* flag: should we use DNS to resolve addrs? */
 int verbose = 0;             /* flag: should we print verbose output */
+int quiet = 0;		     /* flag: no messages for each packet */
+int sport0 = 0;		     /* source port */
 /* how long should we wait between probes */
 double inter_sample_ratio = 10.0;   /* a multiple of the previous rtt? */
 double inter_sample_time = 0.0;     /* or a fixed interval in microsecs */
@@ -1073,11 +1075,15 @@
     printf ("ttl=%d\t%s\tsize= %4d B\trtt= %.3lf ms\n",
 	      ttl, Sock_ntop_host (datum->addr, salen), size, datum->rtt);
   } else {
-    printf ("                                                        \r");
-    printf ("n=%5d\t%s\tsize= %4d B\trtt= %.3lf ms\r",
-       probe_count, Sock_ntop_host (datum->addr, salen), size, datum->rtt);
+    if (!quiet) {
+      printf ("                                                        \r");
+      printf ("n=%5d\t%s\tsize= %4d B\trtt= %.3lf ms\r",
+         probe_count, Sock_ntop_host (datum->addr, salen), size, datum->rtt);
+    }
+  }
+  if (!quiet) {
+    fflush(stdout);
   }
-  fflush(stdout);
 
   add_datum (ttl, size, datum);
 
@@ -1282,7 +1288,7 @@
     tos = IPTOS_LOWDELAY | IPTOS_THROUGHPUT | IPTOS_MINCOST;
   }
 
-  clink_init (host, tos);
+  clink_init (host, sport0, tos);
 
   sizes = make_sizes (low, high, step);
 
@@ -1325,7 +1331,7 @@
   int i, c;
 
   opterr = 0;
-  while ( (c = getopt (argc, argv, "knvMD:I:f:h:i:l:m:q:r:s:t:w:")) != -1) {
+  while ( (c = getopt (argc, argv, "knvMD:I:f:h:i:l:m:p:q:Qr:s:t:w:")) != -1) {
     switch (c) {
     case 'k':
       kernel_timestamps = 1;
@@ -1396,6 +1402,15 @@
     case 'q':
       if ( (num_probes = atoi(optarg)) < 2) {
 	err_quit ("invalid -q value (num_probes); must be at least 2");
+      }
+      break;
+    case 'Q':
+      quiet = 1;
+      break;
+    case 'p':
+      sport0 = atoi(optarg);
+      if ( (sport0<= 0) || (sport0>=65536) ) {
+        err_quit ("invalid -p (source port); must be in 1..65535 range");
       }
       break;
     case 'w':
Only in clink.1.0a: process.o
Only in clink.1.0a: util.o