openwrt/package/busybox/patches/110-telnetd.patch

   1 diff -urN busybox-1.00-pre8/networking/telnetd.c busybox-1.00-pre8-openwrt/networking/telnetd.c
   2 --- busybox-1.00-pre8/networking/telnetd.c      2004-02-22 03:45:57.000000000 -0600
   3 +++ busybox-1.00-pre8-openwrt/networking/telnetd.c      2004-03-05 01:32:57.000000000 -0600
   4 @@ -44,6 +44,8 @@
   5  #include <arpa/telnet.h>
   6  #include <ctype.h>
   7  #include <sys/syslog.h>
   8 +#include <net/if.h>
   9 +
  10
  11  #include "busybox.h"
  12
  13 @@ -384,11 +386,13 @@
  14         int portnbr = 23;
  15  #endif /* CONFIG_FEATURE_TELNETD_INETD */
  16         int c;
  17 +       char *interface_name = NULL;
  18 +       struct ifreq interface;
  19         static const char options[] =
  20  #ifdef CONFIG_FEATURE_TELNETD_INETD
  21 -               "f:l:";
  22 -#else /* CONFIG_EATURE_TELNETD_INETD */
  23 -               "f:l:p:";
  24 +               "i:f:l:";
  25 +#else /* CONFIG_FEATURE_TELNETD_INETD */
  26 +               "i:f:l:p:";
  27  #endif /* CONFIG_FEATURE_TELNETD_INETD */
  28         int maxlen, w, r;
  29
  30 @@ -403,6 +407,9 @@
  31                         case 'f':
  32                                 issuefile = strdup (optarg);
  33                                 break;
  34 +                        case 'i':
  35 +                                interface_name = strdup(optarg);
  36 +                                break;
  37                         case 'l':
  38                                 loginpath = strdup (optarg);
  39                                 break;
  40 @@ -442,6 +449,13 @@
  41         sa.sin_family = AF_INET;
  42         sa.sin_port = htons(portnbr);
  43
  44 +        /* Set it to listen on the specified interface */
  45 +        if (interface_name) {
  46 +                strncpy(interface.ifr_ifrn.ifrn_name, interface_name, IFNAMSIZ);
  47 +                (void)setsockopt(master_fd, SOL_SOCKET,
  48 +                                SO_BINDTODEVICE, &interface, sizeof(interface));
  49 +        }
  50 +
  51         if (bind(master_fd, (struct sockaddr *) &sa, sizeof(sa)) < 0) {
  52                 bb_perror_msg_and_die("bind");
  53         }