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diff -urN busybox-1.00-pre8/networking/telnetd.c busybox-1.00-pre8-openwrt/networking/telnetd.c
--- busybox-1.00-pre8/networking/telnetd.c 2004-02-22 03:45:57.000000000 -0600
+++ busybox-1.00-pre8-openwrt/networking/telnetd.c 2004-03-05 01:32:57.000000000 -0600
@@ -44,6 +44,8 @@
#include <arpa/telnet.h>
#include <ctype.h>
#include <sys/syslog.h>
+#include <net/if.h>
+
#include "busybox.h"
@@ -384,11 +386,13 @@
int portnbr = 23;
#endif /* CONFIG_FEATURE_TELNETD_INETD */
int c;
+ char *interface_name = NULL;
+ struct ifreq interface;
static const char options[] =
#ifdef CONFIG_FEATURE_TELNETD_INETD
- "f:l:";
-#else /* CONFIG_EATURE_TELNETD_INETD */
- "f:l:p:";
+ "i:f:l:";
+#else /* CONFIG_FEATURE_TELNETD_INETD */
+ "i:f:l:p:";
#endif /* CONFIG_FEATURE_TELNETD_INETD */
int maxlen, w, r;
@@ -403,6 +407,9 @@
case 'f':
issuefile = strdup (optarg);
break;
+ case 'i':
+ interface_name = strdup(optarg);
+ break;
case 'l':
loginpath = strdup (optarg);
break;
@@ -442,6 +449,13 @@
sa.sin_family = AF_INET;
sa.sin_port = htons(portnbr);
+ /* Set it to listen on the specified interface */
+ if (interface_name) {
+ strncpy(interface.ifr_ifrn.ifrn_name, interface_name, IFNAMSIZ);
+ (void)setsockopt(master_fd, SOL_SOCKET,
+ SO_BINDTODEVICE, &interface, sizeof(interface));
+ }
+
if (bind(master_fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
bb_perror_msg_and_die("bind");
}
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