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gerrit.nordix.org / codeaurora / busybox / 9a7d38fe2448617df98ecaea7dbe6f3131088586 / . / networking / libiproute / rtm_map.c
blob: 7fad0ecc8ff568b6e1ae561ed5b04c92e9da8061 [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
Denis Vlasenko9a7d38f2007-05-31 22:42:12 +0000[diff] [blame^]14#include "libbb.h"
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]15#include "rt_names.h"
16#include "utils.h"
17
Denis Vlasenko322661d2007-01-29 23:43:52 +0000[diff] [blame]18const char *rtnl_rtntype_n2a(int id, char *buf, int len)
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]19{
20 switch (id) {
21 case RTN_UNSPEC:
22 return "none";
23 case RTN_UNICAST:
24 return "unicast";
25 case RTN_LOCAL:
26 return "local";
27 case RTN_BROADCAST:
28 return "broadcast";
29 case RTN_ANYCAST:
30 return "anycast";
31 case RTN_MULTICAST:
32 return "multicast";
33 case RTN_BLACKHOLE:
34 return "blackhole";
35 case RTN_UNREACHABLE:
36 return "unreachable";
37 case RTN_PROHIBIT:
38 return "prohibit";
39 case RTN_THROW:
40 return "throw";
41 case RTN_NAT:
42 return "nat";
43 case RTN_XRESOLVE:
44 return "xresolve";
45 default:
46 snprintf(buf, len, "%d", id);
47 return buf;
48 }
49}
50
51
52int rtnl_rtntype_a2n(int *id, char *arg)
53{
54 char *end;
55 unsigned long res;
56
57 if (strcmp(arg, "local") == 0)
58 res = RTN_LOCAL;
59 else if (strcmp(arg, "nat") == 0)
60 res = RTN_NAT;
61 else if (matches(arg, "broadcast") == 0 ||
62 strcmp(arg, "brd") == 0)
63 res = RTN_BROADCAST;
64 else if (matches(arg, "anycast") == 0)
65 res = RTN_ANYCAST;
66 else if (matches(arg, "multicast") == 0)
67 res = RTN_MULTICAST;
68 else if (matches(arg, "prohibit") == 0)
69 res = RTN_PROHIBIT;
70 else if (matches(arg, "unreachable") == 0)
71 res = RTN_UNREACHABLE;
72 else if (matches(arg, "blackhole") == 0)
73 res = RTN_BLACKHOLE;
74 else if (matches(arg, "xresolve") == 0)
75 res = RTN_XRESOLVE;
76 else if (matches(arg, "unicast") == 0)
77 res = RTN_UNICAST;
78 else if (strcmp(arg, "throw") == 0)
79 res = RTN_THROW;
80 else {
81 res = strtoul(arg, &end, 0);
82 if (!end || end == arg || *end || res > 255)
83 return -1;
84 }
85 *id = res;
86 return 0;
87}
88
Denis Vlasenko98ee06d2006-12-31 18:57:37 +0000[diff] [blame]89int get_rt_realms(uint32_t *realms, char *arg)
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]90{
Denis Vlasenko98ee06d2006-12-31 18:57:37 +0000[diff] [blame]91 uint32_t realm = 0;
Glenn L McGrath9a2d2722002-11-10 01:33:55 +0000[diff] [blame]92 char *p = strchr(arg, '/');
93
94 *realms = 0;
95 if (p) {
96 *p = 0;
97 if (rtnl_rtrealm_a2n(realms, arg)) {
98 *p = '/';
99 return -1;
100 }
101 *realms <<= 16;
102 *p = '/';
103 arg = p+1;
104 }
105 if (*arg && rtnl_rtrealm_a2n(&realm, arg))
106 return -1;
107 *realms |= realm;
108 return 0;
109}