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net-tools-1.60-arp-unaligned-access.patch
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net-tools-1.60-arp-unaligned-access.patch
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--- 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 = "?";
}