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gerrit.nordix.org / codeaurora / busybox / d9c2d5fe4ffeedeadc26c1ee64247c72cdbd064a / . / networking / libiproute / rtm_map.c
blob: c16406b8bef99acd32834e329feee0af8c87a538 [file] [log] [blame]
"Robert P. J. Day"63fc1a92006-07-02 19:47:05 +0000[diff] [blame]1/* vi: set sw=4 ts=4: */
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]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
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]14#include <stdlib.h>
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]15#include <string.h>
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]16#include "rt_names.h"
17#include "utils.h"
18
Denis Vlasenko322661d2007-01-29 23:43:52 +0000[diff] [blame]19const char *rtnl_rtntype_n2a(int id, char *buf, int len)
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]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
53int 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
Denis Vlasenko98ee06d2006-12-31 18:57:37 +0000[diff] [blame]90int get_rt_realms(uint32_t *realms, char *arg)
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]91{
Denis Vlasenko98ee06d2006-12-31 18:57:37 +0000[diff] [blame]92 uint32_t realm = 0;
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]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}