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[people/pmueller/ipfire-3.x.git] / net-tools / patches / net-tools-1.60-arp-unaligned-access.patch

--- net-tools-1.60/arp.c	2001-04-08 10:05:05.000000000 -0700
+++ net-tools-1.60.new/arp.c	2006-01-31 13:10:01.479716750 -0800
@@ -100,7 +100,7 @@ static int arp_del(char **args)
 {
     char host[128];
     struct arpreq req;
-    struct sockaddr sa;
+    struct sockaddr_storage ss;
     int flags = 0;
     int err;
 
@@ -112,12 +112,12 @@ static int arp_del(char **args)
 	return (-1);
     }
     safe_strncpy(host, *args, (sizeof host));
-    if (ap->input(0, host, &sa) < 0) {
+    if (ap->input(0, host, (struct sockaddr*)&ss) < 0) {
 	ap->herror(host);
 	return (-1);
     }
     /* If a host has more than one address, use the correct one! */
-    memcpy((char *) &req.arp_pa, (char *) &sa, sizeof(struct sockaddr));
+    memcpy((char *) &req.arp_pa, (char *) &ss, sizeof(struct sockaddr));
 
     if (hw_set)
 	req.arp_ha.sa_family = hw->type;
@@ -177,11 +177,11 @@ static int arp_del(char **args)
 		usage();
 	    if (strcmp(*args, "255.255.255.255") != 0) {
 		strcpy(host, *args);
-		if (ap->input(0, host, &sa) < 0) {
+		if (ap->input(0, host, (struct sockaddr*)&ss) < 0) {
 		    ap->herror(host);
 		    return (-1);
 		}
-		memcpy((char *) &req.arp_netmask, (char *) &sa,
+		memcpy((char *) &req.arp_netmask, (char *) &ss,
 		       sizeof(struct sockaddr));
 		req.arp_flags |= ATF_NETMASK;
 	    }
@@ -260,7 +260,7 @@ static int arp_set(char **args)
 {
     char host[128];
     struct arpreq req;
-    struct sockaddr sa;
+    struct sockaddr_storage ss;
     int flags;
 
     memset((char *) &req, 0, sizeof(req));
@@ -271,12 +271,12 @@ static int arp_set(char **args)
 	return (-1);
     }
     safe_strncpy(host, *args++, (sizeof host));
-    if (ap->input(0, host, &sa) < 0) {
+    if (ap->input(0, host, (struct sockaddr*)&ss) < 0) {
 	ap->herror(host);
 	return (-1);
     }
     /* If a host has more than one address, use the correct one! */
-    memcpy((char *) &req.arp_pa, (char *) &sa, sizeof(struct sockaddr));
+    memcpy((char *) &req.arp_pa, (char *) &ss, sizeof(struct sockaddr));
 
     /* Fetch the hardware address. */
     if (*args == NULL) {
@@ -346,11 +346,11 @@ static int arp_set(char **args)
 		usage();
 	    if (strcmp(*args, "255.255.255.255") != 0) {
 		strcpy(host, *args);
-		if (ap->input(0, host, &sa) < 0) {
+		if (ap->input(0, host, (struct sockaddr*)&ss) < 0) {
 		    ap->herror(host);
 		    return (-1);
 		}
-		memcpy((char *) &req.arp_netmask, (char *) &sa,
+		memcpy((char *) &req.arp_netmask, (char *) &ss,
 		       sizeof(struct sockaddr));
 		flags |= ATF_NETMASK;
 	    }
@@ -519,7 +519,7 @@ static void arp_disp(char *name, char *i
 static int arp_show(char *name)
 {
     char host[100];
-    struct sockaddr sa;
+    struct sockaddr_storage ss;
     char ip[100];
     char hwa[100];
     char mask[100];
@@ -535,11 +535,11 @@ static int arp_show(char *name)
     if (name != NULL) {
 	/* Resolve the host name. */
 	safe_strncpy(host, name, (sizeof host));
-	if (ap->input(0, host, &sa) < 0) {
+	if (ap->input(0, host, (struct sockaddr*)&ss) < 0) {
 	    ap->herror(host);
 	    return (-1);
 	}
-	safe_strncpy(host, ap->sprint(&sa, 1), sizeof(host));
+	safe_strncpy(host, ap->sprint((struct sockaddr*)&ss, 1), sizeof(host));
     }
     /* Open the PROCps kernel table. */
     if ((fp = fopen(_PATH_PROCNET_ARP, "r")) == NULL) {
@@ -575,10 +575,11 @@ static int arp_show(char *name)
 	    if (opt_n)
 		hostname = "?";
 	    else {
-		if (ap->input(0, ip, &sa) < 0)
+		if (ap->input(0, ip, (struct sockaddr*)&ss) < 0)
 		    hostname = ip;
 		else
-		    hostname = ap->sprint(&sa, opt_n | 0x8000);
+		    hostname = ap->sprint((struct sockaddr*)&ss, 
+		                          opt_n | 0x8000);
 		if (strcmp(hostname, ip) == 0)
 		    hostname = "?";
 	    }