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 Fischer rewrote to use index_in_substr_array
  14  */
  15
  16 #include "busybox.h"
  17
  18 #include "libiproute/utils.h"
  19 #include "libiproute/ip_common.h"
  20
  21 static int ATTRIBUTE_NORETURN ip_print_help(int ATTRIBUTE_UNUSED ac, char ATTRIBUTE_UNUSED **av)
  22 {
  23         bb_show_usage();
  24 }
  25 int ip_main(int argc, char **argv);
  26 int ip_main(int argc, char **argv)
  27 {
  28         const char * const keywords[] = {
  29                 USE_FEATURE_IP_ADDRESS("address",)
  30                 USE_FEATURE_IP_ROUTE("route",)
  31                 USE_FEATURE_IP_LINK("link",)
  32                 USE_FEATURE_IP_TUNNEL("tunnel", "tunl",)
  33                 USE_FEATURE_IP_RULE("rule",)
  34                 NULL
  35         };
  36         enum {
  37                 USE_FEATURE_IP_ADDRESS(IP_addr,)
  38                 USE_FEATURE_IP_ROUTE(IP_route,)
  39                 USE_FEATURE_IP_LINK(IP_link,)
  40                 USE_FEATURE_IP_TUNNEL(IP_tunnel, IP_tunl,)
  41                 USE_FEATURE_IP_RULE(IP_rule,)
  42                 IP_none
  43         };
  44         int (*ip_func)(int argc, char **argv) = ip_print_help;
  45
  46         ip_parse_common_args(&argc, &argv);
  47         if (argc > 1) {
  48                 int key = index_in_substr_array(keywords, argv[1]);
  49                 argc -= 2;
  50                 argv += 2;
  51 #if ENABLE_FEATURE_IP_ADDRESS
  52                 if (key == IP_addr)
  53                         ip_func = do_ipaddr;
  54 #endif
  55 #if ENABLE_FEATURE_IP_ROUTE
  56                 if (key == IP_route)
  57                         ip_func = do_iproute;
  58 #endif
  59 #if ENABLE_FEATURE_IP_LINK
  60                 if (key == IP_link)
  61                         ip_func = do_iplink;
  62 #endif
  63 #if ENABLE_FEATURE_IP_TUNNEL
  64                 if (key == IP_tunnel || key == IP_tunl)
  65                         ip_func = do_iptunnel;
  66 #endif
  67 #if ENABLE_FEATURE_IP_RULE
  68                 if (key == IP_rule)
  69                         ip_func = do_iprule;
  70 #endif
  71         }
  72         return (ip_func(argc, argv));
  73 }