LXR busybox/networking/ip.c

   1/* vi: set sw=4 ts=4: */
   2/*
   3 * ip.c         "ip" utility frontend.
   4 *
   5 * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
   6 *
   7 * Authors:     Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
   8 *
   9 *
  10 * Changes:
  11 *
  12 * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
  13 * Bernhard Reutner-Fischer rewrote to use index_in_substr_array
  14 */
  15
  16#include "libbb.h"
  17
  18#include "libiproute/utils.h"
  19#include "libiproute/ip_common.h"
  20
  21#if ENABLE_FEATURE_IP_ADDRESS \
  22 || ENABLE_FEATURE_IP_ROUTE \
  23 || ENABLE_FEATURE_IP_LINK \
  24 || ENABLE_FEATURE_IP_TUNNEL \
  25 || ENABLE_FEATURE_IP_RULE
  26
  27static int NORETURN ip_print_help(char **argv UNUSED_PARAM)
  28{
  29        bb_show_usage();
  30}
  31
  32static int ip_do(int (*ip_func)(char **argv), char **argv)
  33{
  34        argv = ip_parse_common_args(argv + 1);
  35        return ip_func(argv);
  36}
  37
  38#if ENABLE_FEATURE_IP_ADDRESS
  39int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  40int ipaddr_main(int argc UNUSED_PARAM, char **argv)
  41{
  42        return ip_do(do_ipaddr, argv);
  43}
  44#endif
  45#if ENABLE_FEATURE_IP_LINK
  46int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  47int iplink_main(int argc UNUSED_PARAM, char **argv)
  48{
  49        return ip_do(do_iplink, argv);
  50}
  51#endif
  52#if ENABLE_FEATURE_IP_ROUTE
  53int iproute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  54int iproute_main(int argc UNUSED_PARAM, char **argv)
  55{
  56        return ip_do(do_iproute, argv);
  57}
  58#endif
  59#if ENABLE_FEATURE_IP_RULE
  60int iprule_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  61int iprule_main(int argc UNUSED_PARAM, char **argv)
  62{
  63        return ip_do(do_iprule, argv);
  64}
  65#endif
  66#if ENABLE_FEATURE_IP_TUNNEL
  67int iptunnel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  68int iptunnel_main(int argc UNUSED_PARAM, char **argv)
  69{
  70        return ip_do(do_iptunnel, argv);
  71}
  72#endif
  73
  74
  75int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
  76int ip_main(int argc UNUSED_PARAM, char **argv)
  77{
  78        static const char keywords[] ALIGN1 =
  79                USE_FEATURE_IP_ADDRESS("address\0")
  80                USE_FEATURE_IP_ROUTE("route\0")
  81                USE_FEATURE_IP_LINK("link\0")
  82                USE_FEATURE_IP_TUNNEL("tunnel\0" "tunl\0")
  83                USE_FEATURE_IP_RULE("rule\0")
  84                ;
  85        enum {
  86                USE_FEATURE_IP_ADDRESS(IP_addr,)
  87                USE_FEATURE_IP_ROUTE(IP_route,)
  88                USE_FEATURE_IP_LINK(IP_link,)
  89                USE_FEATURE_IP_TUNNEL(IP_tunnel, IP_tunl,)
  90                USE_FEATURE_IP_RULE(IP_rule,)
  91                IP_none
  92        };
  93        int (*ip_func)(char**) = ip_print_help;
  94
  95        argv = ip_parse_common_args(argv + 1);
  96        if (*argv) {
  97                int key = index_in_substrings(keywords, *argv);
  98                argv++;
  99#if ENABLE_FEATURE_IP_ADDRESS
 100                if (key == IP_addr)
 101                        ip_func = do_ipaddr;
 102#endif
 103#if ENABLE_FEATURE_IP_ROUTE
 104                if (key == IP_route)
 105                        ip_func = do_iproute;
 106#endif
 107#if ENABLE_FEATURE_IP_LINK
 108                if (key == IP_link)
 109                        ip_func = do_iplink;
 110#endif
 111#if ENABLE_FEATURE_IP_TUNNEL
 112                if (key == IP_tunnel || key == IP_tunl)
 113                        ip_func = do_iptunnel;
 114#endif
 115#if ENABLE_FEATURE_IP_RULE
 116                if (key == IP_rule)
 117                        ip_func = do_iprule;
 118#endif
 119        }
 120        return ip_func(argv);
 121}
 122
 123#endif /* any of ENABLE_FEATURE_IP_xxx is 1 */
 124