| Glenn L McGrath | 9a2d272 | 2002-11-10 01:33:55 +0000 | [diff] [blame] | 1 | /* |
| 2 | * rtm_map.c |
| 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 | |
| Glenn L McGrath | 9a2d272 | 2002-11-10 01:33:55 +0000 | [diff] [blame] | 13 | #include <stdlib.h> |
| Glenn L McGrath | 9a2d272 | 2002-11-10 01:33:55 +0000 | [diff] [blame] | 14 | #include <string.h> |
| Glenn L McGrath | 9a2d272 | 2002-11-10 01:33:55 +0000 | [diff] [blame] | 15 | |
| 16 | #include "rt_names.h" |
| 17 | #include "utils.h" |
| 18 | |
| 19 | char *rtnl_rtntype_n2a(int id, char *buf, int len) |
| 20 | { |
| 21 | switch (id) { |
| 22 | case RTN_UNSPEC: |
| 23 | return "none"; |
| 24 | case RTN_UNICAST: |
| 25 | return "unicast"; |
| 26 | case RTN_LOCAL: |
| 27 | return "local"; |
| 28 | case RTN_BROADCAST: |
| 29 | return "broadcast"; |
| 30 | case RTN_ANYCAST: |
| 31 | return "anycast"; |
| 32 | case RTN_MULTICAST: |
| 33 | return "multicast"; |
| 34 | case RTN_BLACKHOLE: |
| 35 | return "blackhole"; |
| 36 | case RTN_UNREACHABLE: |
| 37 | return "unreachable"; |
| 38 | case RTN_PROHIBIT: |
| 39 | return "prohibit"; |
| 40 | case RTN_THROW: |
| 41 | return "throw"; |
| 42 | case RTN_NAT: |
| 43 | return "nat"; |
| 44 | case RTN_XRESOLVE: |
| 45 | return "xresolve"; |
| 46 | default: |
| 47 | snprintf(buf, len, "%d", id); |
| 48 | return buf; |
| 49 | } |
| 50 | } |
| 51 | |
| 52 | |
| 53 | int rtnl_rtntype_a2n(int *id, char *arg) |
| 54 | { |
| 55 | char *end; |
| 56 | unsigned long res; |
| 57 | |
| 58 | if (strcmp(arg, "local") == 0) |
| 59 | res = RTN_LOCAL; |
| 60 | else if (strcmp(arg, "nat") == 0) |
| 61 | res = RTN_NAT; |
| 62 | else if (matches(arg, "broadcast") == 0 || |
| 63 | strcmp(arg, "brd") == 0) |
| 64 | res = RTN_BROADCAST; |
| 65 | else if (matches(arg, "anycast") == 0) |
| 66 | res = RTN_ANYCAST; |
| 67 | else if (matches(arg, "multicast") == 0) |
| 68 | res = RTN_MULTICAST; |
| 69 | else if (matches(arg, "prohibit") == 0) |
| 70 | res = RTN_PROHIBIT; |
| 71 | else if (matches(arg, "unreachable") == 0) |
| 72 | res = RTN_UNREACHABLE; |
| 73 | else if (matches(arg, "blackhole") == 0) |
| 74 | res = RTN_BLACKHOLE; |
| 75 | else if (matches(arg, "xresolve") == 0) |
| 76 | res = RTN_XRESOLVE; |
| 77 | else if (matches(arg, "unicast") == 0) |
| 78 | res = RTN_UNICAST; |
| 79 | else if (strcmp(arg, "throw") == 0) |
| 80 | res = RTN_THROW; |
| 81 | else { |
| 82 | res = strtoul(arg, &end, 0); |
| 83 | if (!end || end == arg || *end || res > 255) |
| 84 | return -1; |
| 85 | } |
| 86 | *id = res; |
| 87 | return 0; |
| 88 | } |
| 89 | |
| 90 | int get_rt_realms(__u32 *realms, char *arg) |
| 91 | { |
| 92 | __u32 realm = 0; |
| 93 | char *p = strchr(arg, '/'); |
| 94 | |
| 95 | *realms = 0; |
| 96 | if (p) { |
| 97 | *p = 0; |
| 98 | if (rtnl_rtrealm_a2n(realms, arg)) { |
| 99 | *p = '/'; |
| 100 | return -1; |
| 101 | } |
| 102 | *realms <<= 16; |
| 103 | *p = '/'; |
| 104 | arg = p+1; |
| 105 | } |
| 106 | if (*arg && rtnl_rtrealm_a2n(&realm, arg)) |
| 107 | return -1; |
| 108 | *realms |= realm; |
| 109 | return 0; |
| 110 | } |