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diff -ruN busybox-1.2.0-old/networking/telnetd.c busybox-1.2.0-new/networking/telnetd.c
--- busybox-1.2.0-old/networking/telnetd.c 2006-07-01 00:42:02.000000000 +0200
+++ busybox-1.2.0-new/networking/telnetd.c 2006-07-31 10:52:30.000000000 +0200
@@ -44,6 +44,7 @@
#include <arpa/telnet.h>
#include <ctype.h>
#include <sys/syslog.h>
+#include <net/if.h>
#include "busybox.h"
@@ -391,11 +392,13 @@
struct in_addr bind_addr = { .s_addr = 0x0 };
#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:";
+ "i:f:l:";
#else /* CONFIG_EATURE_TELNETD_INETD */
- "f:l:p:b:";
+ "i:f:l:p:b:";
#endif /* CONFIG_FEATURE_TELNETD_INETD */
int maxlen, w, r;
@@ -410,6 +413,9 @@
case 'f':
issuefile = optarg;
break;
+ case 'i':
+ interface_name = strdup(optarg);
+ break;
case 'l':
loginpath = optarg;
break;
@@ -459,6 +465,13 @@
sa.sin_addr = bind_addr;
#endif
+ /* 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));
+ }
+
bb_xbind(master_fd, (struct sockaddr *) &sa, sizeof(sa));
bb_xlisten(master_fd, 1);
bb_xdaemon(0, 0);
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