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    Annotation of /trunk/mkinitrd-magellan/busybox/networking/libiproute/rtm_map.c

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    Revision 532 - (hide annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 9 months ago) by niro
    File MIME type: text/plain
    File size: 2295 byte(s) 
    -import if magellan mkinitrd; it is a fork of redhats mkinitrd-5.0.8 with all magellan patches and features; deprecates magellan-src/mkinitrd
    1 niro 532 /* vi: set sw=4 ts=4: */
    2     /*
    3     * rtm_map.c
    4     *
    5     * This program is free software; you can redistribute it and/or
    6     * modify it under the terms of the GNU General Public License
    7     * as published by the Free Software Foundation; either version
    8     * 2 of the License, or (at your option) any later version.
    9     *
    10     * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru>
    11     *
    12     */
    13    
    14     #include <stdlib.h>
    15     #include <string.h>
    16    
    17     #include "rt_names.h"
    18     #include "utils.h"
    19    
    20     char *rtnl_rtntype_n2a(int id, char *buf, int len)
    21     {
    22     switch (id) {
    23     case RTN_UNSPEC:
    24     return "none";
    25     case RTN_UNICAST:
    26     return "unicast";
    27     case RTN_LOCAL:
    28     return "local";
    29     case RTN_BROADCAST:
    30     return "broadcast";
    31     case RTN_ANYCAST:
    32     return "anycast";
    33     case RTN_MULTICAST:
    34     return "multicast";
    35     case RTN_BLACKHOLE:
    36     return "blackhole";
    37     case RTN_UNREACHABLE:
    38     return "unreachable";
    39     case RTN_PROHIBIT:
    40     return "prohibit";
    41     case RTN_THROW:
    42     return "throw";
    43     case RTN_NAT:
    44     return "nat";
    45     case RTN_XRESOLVE:
    46     return "xresolve";
    47     default:
    48     snprintf(buf, len, "%d", id);
    49     return buf;
    50     }
    51     }
    52    
    53    
    54     int rtnl_rtntype_a2n(int *id, char *arg)
    55     {
    56     char *end;
    57     unsigned long res;
    58    
    59     if (strcmp(arg, "local") == 0)
    60     res = RTN_LOCAL;
    61     else if (strcmp(arg, "nat") == 0)
    62     res = RTN_NAT;
    63     else if (matches(arg, "broadcast") == 0 ||
    64     strcmp(arg, "brd") == 0)
    65     res = RTN_BROADCAST;
    66     else if (matches(arg, "anycast") == 0)
    67     res = RTN_ANYCAST;
    68     else if (matches(arg, "multicast") == 0)
    69     res = RTN_MULTICAST;
    70     else if (matches(arg, "prohibit") == 0)
    71     res = RTN_PROHIBIT;
    72     else if (matches(arg, "unreachable") == 0)
    73     res = RTN_UNREACHABLE;
    74     else if (matches(arg, "blackhole") == 0)
    75     res = RTN_BLACKHOLE;
    76     else if (matches(arg, "xresolve") == 0)
    77     res = RTN_XRESOLVE;
    78     else if (matches(arg, "unicast") == 0)
    79     res = RTN_UNICAST;
    80     else if (strcmp(arg, "throw") == 0)
    81     res = RTN_THROW;
    82     else {
    83     res = strtoul(arg, &end, 0);
    84     if (!end || end == arg || *end || res > 255)
    85     return -1;
    86     }
    87     *id = res;
    88     return 0;
    89     }
    90    
    91     int get_rt_realms(uint32_t *realms, char *arg)
    92     {
    93     uint32_t realm = 0;
    94     char *p = strchr(arg, '/');
    95    
    96     *realms = 0;
    97     if (p) {
    98     *p = 0;
    99     if (rtnl_rtrealm_a2n(realms, arg)) {
    100     *p = '/';
    101     return -1;
    102     }
    103     *realms <<= 16;
    104     *p = '/';
    105     arg = p+1;
    106     }
    107     if (*arg && rtnl_rtrealm_a2n(&realm, arg))
    108     return -1;
    109     *realms |= realm;
    110     return 0;
    111     }