File udhcp_usermac.patch of Package udhcp

diff -u udhcp-0.9.8/dhcpc.c udhcp-0.9.8.mod/dhcpc.c
--- udhcp-0.9.8/dhcpc.c	2002-10-19 02:10:43.000000000 +0100
+++ udhcp-0.9.8.mod/dhcpc.c	2007-02-02 14:41:11.000000000 +0000
@@ -67,6 +67,7 @@
 	foreground: 0,
 	quit_after_lease: 0,
 	background_if_no_lease: 0,
+	userarp: 0,
 	interface: "eth0",
 	pidfile: NULL,
 	script: DEFAULT_SCRIPT,
@@ -95,6 +96,7 @@
 "  -r, --request=IP                IP address to request (default: none)\n"
 "  -s, --script=file               Run file at dhcp events (default:\n"
 "                                  " DEFAULT_SCRIPT ")\n"
+"  -M, --mac=MAC                   MAC address to use instead of HW MAC\n"
 "  -v, --version                   Display version\n"
 	);
 	exit(0);
@@ -132,6 +134,7 @@
 		state = INIT_SELECTING;
 		break;
 	case INIT_SELECTING:
+		break;
 	}
 
 	/* start things over */
@@ -207,6 +210,7 @@
 #endif
 {
 	unsigned char *temp, *message;
+	unsigned char hwmac[6];
 	unsigned long t1 = 0, t2 = 0, xid = 0;
 	unsigned long start = 0, lease;
 	fd_set rfds;
@@ -233,14 +237,15 @@
 		{"request",	required_argument,	0, 'r'},
 		{"script",	required_argument,	0, 's'},
 		{"version",	no_argument,		0, 'v'},
+		{"mac",	        required_argument,	0, 'M'},
 		{"help",	no_argument,		0, '?'},
 		{0, 0, 0, 0}
 	};
 
 	/* get options */
 	while (1) {
-		int option_index = 0;
-		c = getopt_long(argc, argv, "c:fbH:h:i:np:qr:s:v", arg_options, &option_index);
+		int option_index = 0, nrmacfields=0;
+		c = getopt_long(argc, argv, "c:fbH:h:i:np:qr:s:v:M:", arg_options, &option_index);
 		if (c == -1) break;
 		
 		switch (c) {
@@ -290,6 +295,16 @@
 			printf("udhcpcd, version %s\n\n", VERSION);
 			exit_client(0);
 			break;
+                case 'M':                      
+			nrmacfields=sscanf(optarg,"%x:%x:%x:%x:%x:%x",
+                                           (unsigned int *)&client_config.arp[0],
+                                           (unsigned int *)&client_config.arp[1],
+                                           (unsigned int *)&client_config.arp[2],
+                                           (unsigned int *)&client_config.arp[3],
+                                           (unsigned int *)&client_config.arp[4],
+                                           (unsigned int *)&client_config.arp[5]);
+                        if (nrmacfields == 6) client_config.userarp=1;
+                        break;
 		default:
 			show_usage();
 		}
@@ -302,9 +317,11 @@
 	pidfile_write_release(pid_fd);
 
 	if (read_interface(client_config.interface, &client_config.ifindex, 
-			   NULL, client_config.arp) < 0)
+	         	   NULL, hwmac) < 0)
 		exit_client(1);
-		
+
+	if (!(client_config.userarp)) memcpy(client_config.arp, hwmac, 6);
+
 	if (!client_config.clientid) {
 		client_config.clientid = xmalloc(6 + 3);
 		client_config.clientid[OPT_CODE] = DHCP_CLIENT_ID;
diff -u udhcp-0.9.8/dhcpc.h udhcp-0.9.8.mod/dhcpc.h
--- udhcp-0.9.8/dhcpc.h	2002-09-20 21:36:15.000000000 +0100
+++ udhcp-0.9.8.mod/dhcpc.h	2007-02-02 14:13:52.000000000 +0000
@@ -19,6 +19,7 @@
 	char quit_after_lease;		/* Quit after obtaining lease */
 	char abort_if_no_lease;		/* Abort if no lease */
 	char background_if_no_lease;	/* Fork to background if no lease */
+	char userarp;                   /* Did the user give us an ARP address */
 	char *interface;		/* The name of the interface to use */
 	char *pidfile;			/* Optionally store the process ID */
 	char *script;			/* User script to run at dhcp events */
diff -u udhcp-0.9.8/README.udhcpc udhcp-0.9.8.mod/README.udhcpc
--- udhcp-0.9.8/README.udhcpc	2002-10-31 18:02:09.000000000 +0000
+++ udhcp-0.9.8.mod/README.udhcpc	2007-02-02 14:12:47.000000000 +0000
@@ -24,6 +24,7 @@
 -r, --request=IP                IP address to request (default: none)
 -s, --script=file               Run file at dhcp events (default:
                                 /usr/share/udhcpc/default.script)
+-M, --mac=MAC                   MAC address to use instead of HW MAC
 -v, --version                   Display version
 
 
Common subdirectories: udhcp-0.9.8/samples and udhcp-0.9.8.mod/samples