adds a handy column mask feature (-m) to net/trafshow

bump PORTREVISION

PR:		51002, 53807
Submitted by:	Luigi Rizzo <rizzo@icir.org>
		Ryan Thompson <ryan@sasknow.com>

1 files changed, 119 insertions, 0 deletions

diff --git a/net/trafshow/files/patch-ah b/net/trafshow/files/patch-ah
new file mode 100644
index 000000000000..c8c69ae713c9
--- /dev/null
+++ b/net/trafshow/files/patch-ah
@@ -0,0 +1,119 @@
+--- display.c.orig	Sun Aug 23 21:51:48 1998
++++ display.c	Fri Dec  6 12:17:55 2002
+@@ -54,6 +54,7 @@
+ static int l_nflag, l_eflag;
+ static int n_entries;
+ static int err_pos;
++extern struct t_entry t_mask;  /* traffic mask */
+ 
+ void
+ init_display(reinit)
+@@ -282,6 +284,13 @@
+ 	packets_total++;
+ 	bytes_total += e->bytes;
+ 	j = page * page_size;
++
++	e->src.s_addr &= t_mask.src.s_addr;
++	e->dst.s_addr &= t_mask.dst.s_addr;
++	e->sport &= t_mask.sport;
++	e->dport &= t_mask.dport;
++	e->proto &= t_mask.proto;
++
+ 	for (i = 0; i < n_entry; i++) {
+ 		if (memcmp(&e->eh, &entries[i].eh, sizeof(e->eh)) == 0 &&
+ 		    e->src.s_addr == entries[i].src.s_addr &&
+--- trafshow.c.orig	Fri Aug 28 00:15:57 1998
++++ trafshow.c	Fri Dec  6 12:34:09 2002
+@@ -48,6 +48,7 @@
+ int pflag = 0;		/* don't put the interface into promiscuous mode */
+ int kflag = 1;		/* disable keyboard input checking */
+ int eflag = 0;		/* show ethernet traffic rather than ip */
++struct t_entry t_mask;	/* traffic mask */
+ 
+ /* global variables */
+ char *program_name;		/* myself */
+@@ -78,6 +79,12 @@
+ 	extern int abort_on_misalignment();
+ 	extern pcap_handler lookup_if();
+ 
++	t_mask.src.s_addr = 0xffffffff;	/* all bits valid */
++	t_mask.dst.s_addr = 0xffffffff;	/* all bits valid */
++	t_mask.sport = 0xffff;		/* all bits valid */
++	t_mask.dport = 0xffff;		/* all bits valid */
++	t_mask.proto = 0xffff;		/* all bits valid */
++
+ 	cnt = -1;
+ 	device_name = NULL;
+ 	infile = NULL;
+@@ -94,7 +87,7 @@
+ 
+ 	if (abort_on_misalignment(ebuf) < 0) error(0, ebuf);
+ 
+-	while ((op = getopt(argc, argv, "c:CefF:i:knNOpr:t:vh?")) != EOF)
++	while ((op = getopt(argc, argv, "c:CefF:i:kmnNOpr:t:vh?")) != EOF)
+ 		switch (op) {
+ 		case 'C':
+ #ifdef	HAVE_SLCURSES
+@@ -114,6 +121,40 @@
+ 			break;
+ 		case 'k':
+ 			kflag = 0;
++			break;
++		case 'm':
++			t_mask.src.s_addr = 0;
++			t_mask.dst.s_addr = 0;
++			t_mask.sport = 0;
++			t_mask.dport = 0;
++			t_mask.proto = 0;
++			for (;optind + 1 <= argc;) {
++			    char *s = argv[optind];
++			    u_int32_t arg = 0xffffffff;
++			    int save=optind;
++			    
++			    optind++;
++			    if (optind + 1 <= argc &&
++				    isdigit(*(argv[optind])) ) {
++				arg = strtoul(argv[optind], NULL, 0);
++				optind++;
++			    }
++				
++			    if (!strcmp(s, "src-ip"))
++				t_mask.src.s_addr = htonl(arg);
++			    else if (!strcmp(s, "dst-ip"))
++				t_mask.dst.s_addr = htonl(arg);
++			    else if (!strcmp(s, "src-port"))
++				t_mask.sport = htons((u_short)(arg));
++			    else if (!strcmp(s, "dst-port"))
++				t_mask.dport = htons((u_short)(arg));
++			    else if (!strcmp(s, "proto"))
++				t_mask.proto = arg;
++			    else {
++				optind = save;
++				break;
++			    }
++			}
+ 			break;
+ 		case 'n':
+ 			++nflag;
+--- trafshow.1.orig	Fri Aug 28 09:37:38 1998
++++ trafshow.1	Tue Apr 15 22:32:21 2003
+@@ -42,6 +42,16 @@
+ .B \-k
+ Disable input keyboard checking. It is intended to avoid loss of packets.
+ .TP
++.B \-m
++[src-ip M] [dst-ip M] [src-port M] [dst-port M] [proto M]
++.br
++Mask the specified field with mask M (which should be specified
++as an hex number e.g. 0xffff0000) before further processing
++of the packet. This allows to aggregate traffic in the display
++to ease analysis.
++.br
++.The masks for all field not specified will be set to 0.
++.TP
+ .B \-n
+ Don't convert host addresses and port numbers to names.
+ .TP
+
+
+