freebsd-ports/net/bpft/files/patch-ag

--- trafd.orig/main.c	Sun Jun  6 08:54:09 1999
+++ trafd/main.c	Sun Jun  6 08:53:33 1999
@@ -53,6 +53,17 @@
 int pflag;	/* don't put the interface into promiscuous mode */
 int rflag;	/* attempt to resume data from safe file if exist */
 
+int Iflag = 0;  /* don't destinguish packets by port/protocol -> only by IP */
+int Dflag = 1;  /* do daemonize */
+
+#define MAX_ACC_ADDRESSES	256
+
+struct AccRecord AccAddr[MAX_ACC_ADDRESSES];
+int    		 AccRecNum = 0;
+
+struct AccRecord AggAddr[MAX_ACC_ADDRESSES];
+int    		 AggRecNum = 0;
+
 /* Global interrupts flags */
 int flag_hup;	/* SIGHUP - drop collected data to tempfile */
 int flag_int;	/* SIGINT - append collected data to savefile */
@@ -80,7 +91,52 @@
 
 static int if_fd = -1;
 
-void
+int getnet(char *s, struct AccRecord *ar)
+{
+  int rc;
+  char *r;
+  r = strchr(s, '/');
+  if (r) *r++ = '\0';
+  rc = inet_aton(s, (struct in_addr *)&ar->network);
+  if (rc != 1 || !r || !atoi(r)) {
+	fprintf(stderr, "Incorrect parametr '%s' must be in XXX.XXX.XXX.XXX/MASKLEN form\n", s);
+	exit(1);
+  }
+  ar->netmask = htonl(~(0xFFFFFFFF >> atoi(r)));
+  ar->network &= ar->netmask;
+  return(0);
+}
+
+void AccAdd(char *s, struct AccRecord *ar, int *ap) {
+  if (isdigit(*s)) { /* network */
+    if (*ap + 1 >= MAX_ACC_ADDRESSES) {
+      fprintf( stderr, "too many '-S/-A' flags, only %d allowed for each\n", MAX_ACC_ADDRESSES );
+      exit(1);
+    } 
+    getnet(optarg, &ar[(*ap)++]);
+  } else { /* file */
+    char buf[256];
+    FILE *f = fopen(s, "r");
+    if (!f) {
+    	perror("can't open file");
+    	exit(1);
+    }
+    while(fgets(buf, sizeof(buf)-1, f)) {
+	char *ent;
+	if (*ap + 1 >= MAX_ACC_ADDRESSES) {
+          fprintf(  stderr, "too many entries in %s, only %d allowed for each\n", s, MAX_ACC_ADDRESSES );
+          exit(1);
+	}    
+        ent = buf;
+	while(*ent && isspace(*ent)) ent++;
+	if (!*ent || *ent == '#') continue;
+    	getnet(buf, &ar[(*ap)++]);
+    }
+    fclose(f);
+  }
+}
+
+int
 main(argc, argv)
 	int argc;
 	char **argv;
@@ -100,7 +156,7 @@
 	program_name = stripdir(argv[0]);
 
 	opterr = 0;
-	while ((op = getopt(argc, argv, "c:df:F:i:Opr")) != EOF)
+	while ((op = getopt(argc, argv, "c:df:F:i:OprIS:A:D")) != EOF)
 		switch (op) {
 		case 'c':
 			cnt = atoi(optarg);
@@ -126,6 +182,18 @@
 		case 'r':
 			++rflag;
 			break;
+		case 'I':
+			Iflag = 1;
+			break;
+		case 'D':
+			Dflag = 0;
+			break; 
+		case 'S':
+			AccAdd(optarg, AccAddr, &AccRecNum);
+			break;
+		case 'A':
+			AccAdd(optarg, AggAddr, &AggRecNum);
+			break;
 		default:
 			usage();
 		}
@@ -185,7 +253,9 @@
 		      device_name);
 
 	/* Jump to background */
-	daemon(1, 0);
+	if (Dflag)
+		daemon(1, 0);
+		
 	if ((fd = fopen(file_pid, "w")) == NULL)
 		exit(1);
 
@@ -207,6 +277,7 @@
 	(void)syslog(LOG_ERR, "(%s) traffic collector aborted: %m",
 		     device_name);
 	exit(1);
+	return(1);
 }
 
 /* make a clean exit on interrupts */
@@ -284,6 +355,22 @@
 	fprintf(stderr, "trafd v%s - tcp/udp data traffic collector daemon\n",
 		version);
 	fprintf(stderr,
-"Usage: %s [-dOpr] [-c count] [-i iface] [-f ext] [-F file | expr]\n", program_name);
+		"Usage: %s [<flags>] [-F file | expr]\n"
+		"flags:\n"
+		"\t-d\t\tdump packet-matching code\n"
+		"\t-O\t\tdon't run the packet-matching code optimizer\n"
+		"\t-p\t\tdon't put the interface into promiscuous mode\n"
+		"\t-r\t\tattempt to resume data from safe file if exist\n"
+		"\t-I\t\tdon't destinguish ports and protocols\n"
+		"\t-D\t\trun in foreground\n"
+		"\t-c <N>\t\taccount only <N> packets\n"
+		"\t-i <iface>\tlisten interface <iface>\n"
+		"\t-S <net/mlen>\tdo accounting only for this address range\n"
+		"\t-S <filename>\t--\"\"--, read address ranges from file\n"
+		"\t-A <net/mlen>\taggregate addreses from this range to one\n"
+		"\t-A <filename>\t--\"\"--, read address range from file\n"
+		"\t-f <ext>\tuse <ext> as interface name for data files\n"
+		"\n", 
+		program_name);
 	exit(-1);
 }
diff -u -N -r trafd.orig/trafd.h trafd/trafd.h
--- trafd.orig/trafd.h	Sun Jun  6 08:54:09 1999
+++ trafd/trafd.h	Sun Jun  6 08:16:50 1999
@@ -32,3 +32,15 @@
 extern void traf_save();
 extern void traf_pipe();
 extern void traf_clear();
+
+struct AccRecord {
+  unsigned int network;
+  unsigned int netmask;
+};
+ 
+extern struct AccRecord AccAddr[];
+extern int    		AccRecNum;
+
+extern struct AccRecord AggAddr[];
+extern int    		AggRecNum;
+    
\ No newline at end of file
diff -u -N -r trafd.orig/traffic.c trafd/traffic.c
--- trafd.orig/traffic.c	Sun Jun  6 08:54:09 1999
+++ trafd/traffic.c	Sun Jun  6 08:53:33 1999
@@ -138,6 +138,9 @@
 	return -2;
 }
 
+
+extern int Iflag;
+extern struct bpf_program *Scode;
 /*
  * Insert entry.
  */
@@ -146,8 +149,48 @@
 	register p_entry e;
 /* return -1 if success digit if already in table or -2 if table full */ 
 {
-	register int ec = findentry(e);
+	register int ec;
 	register unsigned inx;
+	
+	if (Iflag) { /* don't match/store protocol&ports */
+		e->ip_protocol = 0;
+		e->who_srv = 0;
+		e->p_port  = 0;
+	}
+		
+	if (AccRecNum) {
+		int i;
+		int src = 0, dst = 0;
+		for(i = 0; i < AccRecNum; i++) {
+			if ((e->in_ip.s_addr & AccAddr[i].netmask) == 
+			    AccAddr[i].network) src = 1;
+			if ((e->out_ip.s_addr & AccAddr[i].netmask) == 
+			    AccAddr[i].network) dst = 1;
+		}
+		if (!src) e->in_ip.s_addr  = 0xFFFFFFFF;
+		if (!dst) e->out_ip.s_addr = 0xFFFFFFFF;
+	}
+
+	if (AggRecNum) {
+		int i;
+		int src = 0, dst = 0;
+		for(i = 0; i < AggRecNum; i++) {
+			if (!src &&
+			    (e->in_ip.s_addr & AggAddr[i].netmask) == 
+			    AggAddr[i].network) {
+			    	src = 1;
+			    	e->in_ip.s_addr = (e->in_ip.s_addr & AggAddr[i].netmask);
+			}
+			if (!dst && 
+			    (e->out_ip.s_addr & AggAddr[i].netmask) == 
+			    AggAddr[i].network) {
+			    	dst = 1;
+			    	e->out_ip.s_addr = (e->out_ip.s_addr & AggAddr[i].netmask);
+			}
+		}
+	}
+
+	ec = findentry(e);
 	if (ec != -1)
 		return ec;
 	inx = hash(e);