allow the ead client to override the broadcast address

SVN-Revision: 13849

package/ead/src/ead-client.c

@@ -16,6 +16,7 @@
 #include <sys/socket.h>
 #include <sys/time.h>
 #include <netinet/in.h>
+#include <arpa/inet.h>
 #include <stdio.h>
 #include <stddef.h>
 #include <stdint.h>
@@ -293,12 +294,13 @@ send_command(const char *command)
 static int
 usage(const char *prog)
 {
-	fprintf(stderr, "Usage: %s <node> <username>[:<password>]\n"
+	fprintf(stderr, "Usage: %s [-b <addr>] <node> <username>[:<password>] <command>\n"
 		"\n"
-		"\n<node>:     Node ID (4 digits hex)\n"
-		"\n<username>: Username to authenticate with\n"
+		"\t-b <addr>:  Set the broadcast address to <addr>\n"
+		"\t<node>:     Node ID (4 digits hex)\n"
+		"\t<username>: Username to authenticate with\n"
 		"\n"
-		"\nPassing no arguments shows a list of active nodes on the network\n"
+		"\tPassing no arguments shows a list of active nodes on the network\n"
 		"\n", prog);
 	return -1;
 }
@@ -309,6 +311,8 @@ int main(int argc, char **argv)
 	int val = 1;
 	char *st = NULL;
 	const char *command = NULL;
+	const char *prog = argv[0];
+	int ch;
 
 	msg->magic = htonl(EAD_MAGIC);
 	msg->tid = 0;
@@ -324,12 +328,22 @@ int main(int argc, char **argv)
 	local.sin_addr.s_addr = INADDR_ANY;
 	local.sin_port = 0;
 
+	while ((ch = getopt(argc, argv, "b:")) != -1) {
+		switch(ch) {
+		case 'b':
+			inet_aton(optarg, &remote.sin_addr);
+			break;
+		}
+	}
+	argv += optind;
+	argc -= optind;
+
 	switch(argc) {
-	case 4:
-		command = argv[3];
-		/* fall through */
 	case 3:
-		username = argv[2];
+		command = argv[2];
+		/* fall through */
+	case 2:
+		username = argv[1];
 		st = strchr(username, ':');
 		if (st) {
 			*st = 0;
@@ -340,15 +354,15 @@ int main(int argc, char **argv)
 			memset(st, 0, strlen(st));
 		}
 		/* fall through */
-	case 2:
-		nid = strtoul(argv[1], &st, 16);
+	case 1:
+		nid = strtoul(argv[0], &st, 16);
 		if (st && st[0] != 0)
-			return usage(argv[0]);
+			return usage(prog);
 		/* fall through */
-	case 1:
+	case 0:
 		break;
 	default:
-		return usage(argv[0]);
+		return usage(prog);
 	}
 
 	msg->nid = htons(nid);

package/ead/src/ead.h

@@ -14,7 +14,7 @@
 #ifndef __EAD_H
 #define __EAD_H
 
-#define EAD_DEBUGLEVEL	1
+#define EAD_DEBUGLEVEL	2
 
 #include <stdint.h>
 #include <stddef.h>

package/ead/src/filter.c

@@ -1,13 +1,15 @@
-/* precompiled expression: udp and dst host 255.255.255.255 and dst port 56026 */
+/* precompiled expression: udp and dst port 56026 */
 
 static struct bpf_insn pktfilter_insns[] = {
 	{ .code = 0x0028, .jt = 0x00, .jf = 0x00, .k = 0x0000000c },
-	{ .code = 0x0015, .jt = 0x0b, .jf = 0x00, .k = 0x000086dd },
-	{ .code = 0x0015, .jt = 0x00, .jf = 0x0a, .k = 0x00000800 },
+	{ .code = 0x0015, .jt = 0x00, .jf = 0x04, .k = 0x000086dd },
+	{ .code = 0x0030, .jt = 0x00, .jf = 0x00, .k = 0x00000014 },
+	{ .code = 0x0015, .jt = 0x00, .jf = 0x0b, .k = 0x00000011 },
+	{ .code = 0x0028, .jt = 0x00, .jf = 0x00, .k = 0x00000038 },
+	{ .code = 0x0015, .jt = 0x08, .jf = 0x09, .k = 0x0000dada },
+	{ .code = 0x0015, .jt = 0x00, .jf = 0x08, .k = 0x00000800 },
 	{ .code = 0x0030, .jt = 0x00, .jf = 0x00, .k = 0x00000017 },
-	{ .code = 0x0015, .jt = 0x00, .jf = 0x08, .k = 0x00000011 },
-	{ .code = 0x0020, .jt = 0x00, .jf = 0x00, .k = 0x0000001e },
-	{ .code = 0x0015, .jt = 0x00, .jf = 0x06, .k = 0xffffffff },
+	{ .code = 0x0015, .jt = 0x00, .jf = 0x06, .k = 0x00000011 },
 	{ .code = 0x0028, .jt = 0x00, .jf = 0x00, .k = 0x00000014 },
 	{ .code = 0x0045, .jt = 0x04, .jf = 0x00, .k = 0x00001fff },
 	{ .code = 0x00b1, .jt = 0x00, .jf = 0x00, .k = 0x0000000e },
@@ -18,6 +20,6 @@ static struct bpf_insn pktfilter_insns[] = {
 };
 
 static struct bpf_program pktfilter = {
-	.bf_len = 14,
+	.bf_len = 16,
 	.bf_insns = pktfilter_insns,
 };