* Foundation; either version 2 of the License, or (at
* your option) any later version.
*
- * $Id: route.c,v 1.25 2004/03/15 08:28:49 andersen Exp $
+ * $Id: route.c,v 1.26 2004/03/19 23:27:08 mjn3 Exp $
*
* displayroute() code added by Vladimir N. Oleynik <dzo@simtreas.ru>
* adjustments by Larry Doolittle <LRDoolittle@lbl.gov>
/* We remap '-' to '#' to avoid problems with getopt. */
static const char tbl_hash_net_host[] =
"\007\001#net\0"
-/* "\010\002#host\0" */
+/* "\010\002#host\0" */
"\007\002#host" /* Since last, we can save a byte. */
;
#endif
"\006\041mod\0"
"\006\042dyn\0"
-/* "\014\043reinstate\0" */
+/* "\014\043reinstate\0" */
"\013\043reinstate" /* Since last, we can save a byte. */
;
static void INET_setroute(int action, char **args)
{
struct rtentry rt;
- const char *netmask;
+ const char *netmask = NULL;
int skfd, isnet, xflag;
assert((action == RTACTION_ADD) || (action == RTACTION_DEL));
{
const char *target = *args++;
+ char *prefix;
+ /* recognize x.x.x.x/mask format. */
+ prefix = strchr(target, '/');
+ if(prefix) {
+ int prefix_len;
+
+ prefix_len = bb_xgetularg10_bnd(prefix+1, 0, 32);
+ mask_in_addr(rt) = htonl( ~ (0xffffffffUL >> prefix_len));
+ *prefix = '\0';
+#if HAVE_NEW_ADDRT
+ rt.rt_genmask.sa_family = AF_INET;
+#endif
+ } else {
+ /* Default netmask. */
+ netmask = bb_INET_default;
+ }
/* Prefer hostname lookup is -host flag (xflag==1) was given. */
- isnet = INET_resolve(target, (struct sockaddr_in *) &rt.rt_dst,
+ isnet = INET_resolve(target, (struct sockaddr_in *) &rt.rt_dst,
(xflag & HOST_FLAG));
if (isnet < 0) {
bb_error_msg_and_die("resolving %s", target);
}
-
+ if(prefix) {
+ /* do not destroy prefix for process args */
+ *prefix = '/';
+ }
}
if (xflag) { /* Reinit isnet if -net or -host was specified. */
/* Fill in the other fields. */
rt.rt_flags = ((isnet) ? RTF_UP : (RTF_UP | RTF_HOST));
- netmask = bb_INET_default;
-
while (*args) {
int k = kw_lookup(tbl_ipvx, &args);
const char *args_m1 = args[-1];
/* Device is special in that it can be the last arg specified
* and doesn't requre the dev/device keyword in that case. */
if (!rt.rt_dev && ((k == KW_IPVx_DEVICE) || (!k && !*++args))) {
- rt.rt_dev = (char *) args_m1;
+ /* Don't use args_m1 here since args may have changed! */
+ rt.rt_dev = args[-1];
continue;
}
bb_perror_msg_and_die("SIOC[ADD|DEL]RT");
}
- /* Don't bother closing, as we're exiting after we return anyway. */
- /* close(skfd); */
+ if (ENABLE_FEATURE_CLEAN_UP) close(skfd);
}
#ifdef CONFIG_FEATURE_IPV6
/* We know args isn't NULL from the check in route_main. */
const char *target = *args++;
- if (strcmp(target, "default") == 0) {
+ if (strcmp(target, bb_INET_default) == 0) {
prefix_len = 0;
memset(&sa6, 0, sizeof(sa6));
} else {
/* Device is special in that it can be the last arg specified
* and doesn't requre the dev/device keyword in that case. */
if (!devname && ((k == KW_IPVx_DEVICE) || (!k && !*++args))) {
- devname = args_m1;
+ /* Don't use args_m1 here since args may have changed! */
+ devname = args[-1];
continue;
}
bb_perror_msg_and_die("SIOC[ADD|DEL]RT");
}
- /* Don't bother closing, as we're exiting after we return anyway. */
- /* close(skfd); */
+ if (ENABLE_FEATURE_CLEAN_UP) close(skfd);
}
#endif
#define IPV4_MASK (RTF_GATEWAY|RTF_HOST|RTF_REINSTATE|RTF_DYNAMIC|RTF_MODIFIED)
#define IPV6_MASK (RTF_GATEWAY|RTF_HOST|RTF_DEFAULT|RTF_ADDRCONF|RTF_CACHE)
-static const char flagchars[] = /* Must agree with flagvals[]. */
+static const char flagchars[] = /* Must agree with flagvals[]. */
"GHRDM"
#ifdef CONFIG_FEATURE_IPV6
"DAC"
}
}
+/* also used in netstat */
void displayroutes(int noresolve, int netstatfmt)
{
char devname[64], flags[16], sdest[16], sgw[16];
#define ROUTE_OPT_INET6 0x08 /* Not an actual option. See below. */
/* 1st byte is offset to next entry offset. 2nd byte is return value. */
-static const char tbl_verb[] = /* 2nd byte matches RTACTION_* code */
+static const char tbl_verb[] = /* 2nd byte matches RTACTION_* code */
"\006\001add\0"
"\006\002del\0"
-/* "\011\002delete\0" */
+/* "\011\002delete\0" */
"\010\002delete" /* Since last, we can save a byte. */
;