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    Contents of /tags/mkinitrd-6_2_0/networking/ip.c

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    Revision 994 - (show annotations) (download)
    Sun May 30 11:53:18 2010 UTC (14 years ago) by niro
    File MIME type: text/plain
    File size: 2931 byte(s) 
    tagged 'mkinitrd-6_2_0'
    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
    27 static int NORETURN ip_print_help(char **argv UNUSED_PARAM)
    28 {
    29 bb_show_usage();
    30 }
    31
    32 static 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
    39 int ipaddr_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    40 int 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
    46 int iplink_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    47 int 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
    53 int iproute_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    54 int 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
    60 int iprule_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    61 int 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
    67 int iptunnel_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    68 int iptunnel_main(int argc UNUSED_PARAM, char **argv)
    69 {
    70 return ip_do(do_iptunnel, argv);
    71 }
    72 #endif
    73
    74
    75 int ip_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
    76 int ip_main(int argc UNUSED_PARAM, char **argv)
    77 {
    78 static const char keywords[] ALIGN1 =
    79 IF_FEATURE_IP_ADDRESS("address\0")
    80 IF_FEATURE_IP_ROUTE("route\0")
    81 IF_FEATURE_IP_LINK("link\0")
    82 IF_FEATURE_IP_TUNNEL("tunnel\0" "tunl\0")
    83 IF_FEATURE_IP_RULE("rule\0")
    84 ;
    85 enum {
    86 IF_FEATURE_IP_ADDRESS(IP_addr,)
    87 IF_FEATURE_IP_ROUTE(IP_route,)
    88 IF_FEATURE_IP_LINK(IP_link,)
    89 IF_FEATURE_IP_TUNNEL(IP_tunnel, IP_tunl,)
    90 IF_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 */