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

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    Revision 532 - (show annotations) (download)
    Sat Sep 1 22:45:15 2007 UTC (16 years, 8 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 /* 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 }