networking/ip.c

   1 /*
   2  * ip.c         "ip" utility frontend.
   3  *
   4  *              This program is free software; you can redistribute it and/or
   5  *              modify it under the terms of the GNU General Public License
   6  *              as published by the Free Software Foundation; either version
   7  *              2 of the License, or (at your option) any later version.
   8  *
   9  * Authors:     Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
  10  *
  11  *
  12  * Changes:
  13  *
  14  * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses
  15  */
  16
  17 #include <stdio.h>
  18 #include <stdlib.h>
  19 #include <unistd.h>
  20 #include <syslog.h>
  21 #include <fcntl.h>
  22 #include <sys/socket.h>
  23 #include <netinet/in.h>
  24 #include <string.h>
  25
  26 #include "./libiproute/utils.h"
  27 #include "./libiproute/ip_common.h"
  28
  29 #include "busybox.h"
  30
  31 #if 0
  32 int preferred_family = AF_UNSPEC;
  33 int oneline = 0;
  34 char * _SL_ = NULL;
  35
  36 void ip_parse_common_args(int *argcp, char ***argvp)
  37 {
  38         int argc = *argcp;
  39         char **argv = *argvp;
  40
  41         while (argc > 1) {
  42                 char *opt = argv[1];
  43
  44                 if (strcmp(opt,"--") == 0) {
  45                         argc--; argv++;
  46                         break;
  47                 }
  48
  49                 if (opt[0] != '-')
  50                         break;
  51
  52                 if (opt[1] == '-')
  53                         opt++;
  54
  55                 if (matches(opt, "-family") == 0) {
  56                         argc--;
  57                         argv++;
  58                         if (strcmp(argv[1], "inet") == 0)
  59                                 preferred_family = AF_INET;
  60                         else if (strcmp(argv[1], "inet6") == 0)
  61                                 preferred_family = AF_INET6;
  62                         else if (strcmp(argv[1], "link") == 0)
  63                                 preferred_family = AF_PACKET;
  64                         else
  65                                 invarg(argv[1], "invalid protocol family");
  66                 } else if (strcmp(opt, "-4") == 0) {
  67                         preferred_family = AF_INET;
  68                 } else if (strcmp(opt, "-6") == 0) {
  69                         preferred_family = AF_INET6;
  70                 } else if (strcmp(opt, "-0") == 0) {
  71                         preferred_family = AF_PACKET;
  72                 } else if (matches(opt, "-oneline") == 0) {
  73                         ++oneline;
  74                 } else {
  75                         show_usage();
  76                 }
  77                 argc--; argv++;
  78         }
  79         _SL_ = oneline ? "\\" : "\n" ;
  80 }
  81 #endif
  82
  83 int ip_main(int argc, char **argv)
  84 {
  85         int ret = EXIT_FAILURE;
  86
  87         ip_parse_common_args(&argc, &argv);
  88
  89         if (argc > 1) {
  90 #ifdef CONFIG_FEATURE_IP_ADDRESS
  91                 if (matches(argv[1], "address") == 0) {
  92                         ret = do_ipaddr(argc-2, argv+2);
  93                 }
  94 #endif
  95 #ifdef CONFIG_FEATURE_IP_ROUTE
  96                 else if (matches(argv[1], "route") == 0) {
  97                         ret = do_iproute(argc-2, argv+2);
  98                 }
  99 #endif
 100 #ifdef CONFIG_FEATURE_IP_LINK
 101                 else if (matches(argv[1], "link") == 0) {
 102                         ret = do_iplink(argc-2, argv+2);
 103                 }
 104 #endif
 105 #ifdef CONFIG_FEATURE_IP_TUNNEL
 106                 else if (matches(argv[1], "tunnel") == 0 || strcmp(argv[1], "tunl") == 0) {
 107                         ret = do_iptunnel(argc-2, argv+2);
 108                 }
 109 #endif
 110         }
 111         if (ret) {
 112                 show_usage();
 113         }
 114         return(EXIT_SUCCESS);
 115 }