[Midnightbsd-cvs] src: usr.bin/sockstat: sync with freebsd7

laffer1 at midnightbsd.org laffer1 at midnightbsd.org
Fri Mar 27 18:32:14 EDT 2009


Log Message:
-----------
sync with freebsd7

Modified Files:
--------------
    src/usr.bin/sockstat:
        sockstat.1 (r1.1.1.1 -> r1.2)
        sockstat.c (r1.1.1.1 -> r1.2)

-------------- next part --------------
Index: sockstat.1
===================================================================
RCS file: /home/cvs/src/usr.bin/sockstat/sockstat.1,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -L usr.bin/sockstat/sockstat.1 -L usr.bin/sockstat/sockstat.1 -u -r1.1.1.1 -r1.2
--- usr.bin/sockstat/sockstat.1
+++ usr.bin/sockstat/sockstat.1
@@ -25,9 +25,9 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $FreeBSD: src/usr.bin/sockstat/sockstat.1,v 1.20 2005/01/11 10:32:52 ru Exp $
+.\" $FreeBSD: src/usr.bin/sockstat/sockstat.1,v 1.21 2006/11/11 22:11:54 keramida Exp $
 .\"
-.Dd August 25, 2004
+.Dd November 11, 2006
 .Dt SOCKSTAT 1
 .Os
 .Sh NAME
@@ -37,6 +37,7 @@
 .Nm
 .Op Fl 46clu
 .Op Fl p Ar ports
+.Op Fl P Ar protocols
 .Sh DESCRIPTION
 The
 .Nm
@@ -65,6 +66,14 @@
 .Ar ports
 argument is a comma-separated list of port numbers and ranges
 specified as first and last port separated by a dash.
+.It Fl P Ar protocols
+Only show sockets of the specified
+.Ar protocols .
+The
+.Ar protocols
+argument is a comma-separated list of protocol names,
+as they are defined in
+.Xr protocols 5 .
 .It Fl u
 Show
 .Dv AF_LOCAL
@@ -139,7 +148,8 @@
 .Xr fstat 1 ,
 .Xr netstat 1 ,
 .Xr inet 4 ,
-.Xr inet6 4
+.Xr inet6 4 ,
+.Xr protocols 5
 .Sh HISTORY
 The
 .Nm
Index: sockstat.c
===================================================================
RCS file: /home/cvs/src/usr.bin/sockstat/sockstat.c,v
retrieving revision 1.1.1.1
retrieving revision 1.2
diff -L usr.bin/sockstat/sockstat.c -L usr.bin/sockstat/sockstat.c -u -r1.1.1.1 -r1.2
--- usr.bin/sockstat/sockstat.c
+++ usr.bin/sockstat/sockstat.c
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: src/usr.bin/sockstat/sockstat.c,v 1.13 2005/06/10 06:36:03 des Exp $");
+__FBSDID("$FreeBSD: src/usr.bin/sockstat/sockstat.c,v 1.17 2007/06/16 20:24:55 maxim Exp $");
 
 #include <sys/param.h>
 #include <sys/socket.h>
@@ -66,6 +66,16 @@
 static int	 opt_u;		/* Show Unix domain sockets */
 static int	 opt_v;		/* Verbose mode */
 
+/*
+ * Default protocols to use if no -P was defined.
+ */
+static const char *default_protos[] = {"tcp", "udp", "divert" };
+static size_t	   default_numprotos =
+    sizeof(default_protos) / sizeof(default_protos[0]);
+
+static int	*protos;	/* protocols to use */
+static size_t	 numprotos;	/* allocated size of protos[] */
+
 static int	*ports;
 
 #define INT_BIT (sizeof(int)*CHAR_BIT)
@@ -104,6 +114,66 @@
 	return (len);
 }
 
+
+static int
+get_proto_type(const char *proto)
+{
+	struct protoent *pent;
+
+	if (strlen(proto) == 0)
+		return (0);
+	pent = getprotobyname(proto);
+	if (pent == NULL) {
+		warn("getprotobyname");
+		return (-1);
+	}
+	return (pent->p_proto);
+}
+
+
+static void init_protos(int num)
+{
+	int proto_count = 0;
+
+	if (num > 0) {
+		proto_count = num;
+	} else {
+		/* Find the maximum number of possible protocols. */
+		while (getprotoent() != NULL)
+			proto_count++;
+		endprotoent();
+	}
+
+	if ((protos = malloc(sizeof(int) * proto_count)) == NULL)
+		err(1, "malloc");
+	numprotos = proto_count;
+}
+
+
+static int
+parse_protos(char *protospec)
+{
+	char *prot;
+	char *tmp = protospec;
+	int proto_type, proto_index;
+
+	if (protospec == NULL)
+		return (-1);
+
+	init_protos(0);
+	proto_index = 0;
+	while ((prot = strsep(&tmp, ",")) != NULL) {
+		if (strlen(prot) == 0)
+			continue;
+		proto_type = get_proto_type(prot);
+		if (proto_type != -1)
+			protos[proto_index++] = proto_type;
+	}
+	numprotos = proto_index;
+	return (proto_index);
+}
+
+
 static void
 parse_ports(const char *portspec)
 {
@@ -209,7 +279,7 @@
 		protoname = "div";
 		break;
 	default:
-		abort();
+		errx(1, "protocol %d not supported", proto);
 	}
 
 	buf = NULL;
@@ -264,7 +334,7 @@
 			so = &xip->xi_socket;
 			break;
 		default:
-			abort();
+			errx(1, "protocol %d not supported", proto);
 		}
 		if ((inp->inp_vflag & vflag) == 0)
 			continue;
@@ -456,10 +526,12 @@
 	mib[3] = (int)pid;
 	len = sizeof proc;
 	if (sysctl(mib, 4, &proc, &len, NULL, 0) == -1) {
-		warn("sysctl()");
+		/* Do not warn if the process exits before we get its name. */
+		if (errno != ESRCH)
+			warn("sysctl()");
 		return ("??");
 	}
-	return (proc.ki_ocomm);
+	return (proc.ki_comm);
 }
 
 static int
@@ -573,19 +645,41 @@
 	}
 }
 
+static int set_default_protos(void)
+{
+	struct protoent *prot;
+	const char *pname;
+	size_t pindex;
+
+	init_protos(default_numprotos);
+
+	for (pindex = 0; pindex < default_numprotos; pindex++) {
+		pname = default_protos[pindex];
+		prot = getprotobyname(pname);
+		if (prot == NULL)
+			err(1, "getprotobyname: %s", pname);
+		protos[pindex] = prot->p_proto;
+	}
+	numprotos = pindex;
+	return (pindex);
+}
+
+
 static void
 usage(void)
 {
-	fprintf(stderr, "Usage: sockstat [-46clu] [-p ports]\n");
+	fprintf(stderr,
+	    "Usage: sockstat [-46clu] [-p ports] [-P protocols]\n");
 	exit(1);
 }
 
 int
 main(int argc, char *argv[])
 {
-	int o;
+	int protos_defined = -1;
+	int o, i;
 
-	while ((o = getopt(argc, argv, "46clp:uv")) != -1)
+	while ((o = getopt(argc, argv, "46clp:P:uv")) != -1)
 		switch (o) {
 		case '4':
 			opt_4 = 1;
@@ -602,6 +696,9 @@
 		case 'p':
 			parse_ports(optarg);
 			break;
+		case 'P':
+			protos_defined = parse_protos(optarg);
+			break;
 		case 'u':
 			opt_u = 1;
 			break;
@@ -618,22 +715,25 @@
 	if (argc > 0)
 		usage();
 
+	if ((!opt_4 && !opt_6) && protos_defined != -1)
+		opt_4 = opt_6 = 1;
 	if (!opt_4 && !opt_6 && !opt_u)
 		opt_4 = opt_6 = opt_u = 1;
+	if ((opt_4 || opt_6) && protos_defined == -1)
+		protos_defined = set_default_protos();
 	if (!opt_c && !opt_l)
 		opt_c = opt_l = 1;
 
 	if (opt_4 || opt_6) {
-		gather_inet(IPPROTO_TCP);
-		gather_inet(IPPROTO_UDP);
-		gather_inet(IPPROTO_DIVERT);
+		for (i = 0; i < protos_defined; i++)
+			gather_inet(protos[i]);
 	}
-	if (opt_u) {
+
+	if (opt_u || (protos_defined == -1 && !opt_4 && !opt_6)) {
 		gather_unix(SOCK_STREAM);
 		gather_unix(SOCK_DGRAM);
 	}
 	getfiles();
 	display();
-
 	exit(0);
 }


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