Init

usr.etc/etherfind/tty_main.c

@@ -0,0 +1,182 @@
+/*
+ * TTY interface to the "Etherfind" program.
+ * Code in this module should be NOT specific to a particlar protocol.
+ *
+ * @(#)tty_main.c 1.1 94/10/31
+ *
+ * Copyright (c) 1988 by Sun Microsystems, Inc.
+ */
+
+#include <varargs.h>
+#include <stdio.h>
+#include <sys/signal.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <net/if.h>
+
+#include "etherfind.h"
+
+void flushit();
+
+int printlength = 0;		/* bytes to print with x flag */
+
+/*
+ * read args from command line.
+ */
+main(argc, argv)
+	char **argv;
+{
+    char *device = NULL;
+
+    while (argc > 1) {
+	if (argv[1][0] != '-' || argv[1][1] == 0 || argv[1][2] != 0)
+			break;
+	switch(argv[1][1]) {
+		case 'c':
+			if (argc < 3)
+				usage();
+			cflag++;
+			cnt = atoi(argv[2]);
+			argc--;
+			argv++;
+			break;
+
+		case 'd':
+			dflag++;
+			break;
+
+		case 'i':
+			if (argc < 3)
+				usage();
+			device = argv[2];
+			argc--;
+			argv++;
+			break;
+
+		case 'l':
+			if (argc < 3)
+				usage();
+			printlength = atoi(argv[2]);
+			argc--;
+			argv++;
+			break;
+
+		case 'n':
+			nflag++;
+			break;
+
+		case 'p':
+			pflag++;
+			break;
+
+		case 'r':
+			rpcflag[0]++;
+			break;
+
+		case 't':
+			timeflag[0]++;
+			tflag++;
+			break;
+
+		case 'u':
+			setlinebuf(stdout);
+			break;
+
+		case 'v':
+			symflag[0]++;
+			break;
+
+		case 'x':
+			xflag[0]++;
+			break;
+
+		default:
+			goto done;
+		}
+		argc--;
+		argv++;
+	}
+done:
+
+	/*
+	 * Determine which network interface to use if none given.
+	 */
+	if (device == NULL) {
+		char cbuf[BUFSIZ];
+		struct ifconf ifc;
+		int s;
+
+		if ((s = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
+		    perror("etherfind: socket");
+		    exit(1);
+		}
+		ifc.ifc_len = sizeof cbuf;
+		ifc.ifc_buf = cbuf;
+		if (ioctl(s, SIOCGIFCONF, (char *)&ifc) < 0) {
+			perror("etherfind: ioctl");
+			exit(1);
+		}
+		device = ifc.ifc_req->ifr_name;
+		printf("Using interface %s\n", device);
+		(void) close(s);
+	}
+
+	initIP();
+	parseargs(argc, argv);
+	if (!symflag[0]) {
+		if (timeflag[0])
+			printf("      ");
+		printf(
+"                                            icmp type\n");
+		if (timeflag[0])
+			printf("      ");
+		printf(
+" lnth proto         source     destination   src port   dst port\n");
+  	}
+
+	(void) signal(SIGINT, flushit);
+	(void) signal(SIGTERM, flushit);
+
+	main_loop(device);
+	/* NOTREACHED */
+}
+
+/*
+ * When in tty mode, we ignore index and just print everything out on
+ * standard output.
+ */
+display(index, fmt, va_alist) 
+    int index;
+    char *fmt;
+    va_dcl
+{
+    va_list ap;
+    
+    va_start(ap);
+    _doprnt(fmt, ap, stdout);
+    va_end(ap);
+}
+
+/*
+ * flush the "log" - nothing to do in tty case 
+ */
+log_flush(index)
+    int index;
+{
+}
+
+/*
+ * more dummy entry points for the trigger junk
+ */
+tr_display()
+{
+}
+
+tr_triggered()
+{
+}
+
+tr_save()
+{
+}