diff options
Diffstat (limited to 'networking/libiproute/rtm_map.c')
-rw-r--r-- | networking/libiproute/rtm_map.c | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/networking/libiproute/rtm_map.c b/networking/libiproute/rtm_map.c new file mode 100644 index 000000000..21e818b4a --- /dev/null +++ b/networking/libiproute/rtm_map.c | |||
@@ -0,0 +1,116 @@ | |||
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 | |||
13 | #include <stdio.h> | ||
14 | #include <stdlib.h> | ||
15 | #include <unistd.h> | ||
16 | #include <syslog.h> | ||
17 | #include <fcntl.h> | ||
18 | #include <string.h> | ||
19 | #include <sys/socket.h> | ||
20 | #include <netinet/in.h> | ||
21 | |||
22 | #include "rt_names.h" | ||
23 | #include "utils.h" | ||
24 | |||
25 | char *rtnl_rtntype_n2a(int id, char *buf, int len) | ||
26 | { | ||
27 | switch (id) { | ||
28 | case RTN_UNSPEC: | ||
29 | return "none"; | ||
30 | case RTN_UNICAST: | ||
31 | return "unicast"; | ||
32 | case RTN_LOCAL: | ||
33 | return "local"; | ||
34 | case RTN_BROADCAST: | ||
35 | return "broadcast"; | ||
36 | case RTN_ANYCAST: | ||
37 | return "anycast"; | ||
38 | case RTN_MULTICAST: | ||
39 | return "multicast"; | ||
40 | case RTN_BLACKHOLE: | ||
41 | return "blackhole"; | ||
42 | case RTN_UNREACHABLE: | ||
43 | return "unreachable"; | ||
44 | case RTN_PROHIBIT: | ||
45 | return "prohibit"; | ||
46 | case RTN_THROW: | ||
47 | return "throw"; | ||
48 | case RTN_NAT: | ||
49 | return "nat"; | ||
50 | case RTN_XRESOLVE: | ||
51 | return "xresolve"; | ||
52 | default: | ||
53 | snprintf(buf, len, "%d", id); | ||
54 | return buf; | ||
55 | } | ||
56 | } | ||
57 | |||
58 | |||
59 | int rtnl_rtntype_a2n(int *id, char *arg) | ||
60 | { | ||
61 | char *end; | ||
62 | unsigned long res; | ||
63 | |||
64 | if (strcmp(arg, "local") == 0) | ||
65 | res = RTN_LOCAL; | ||
66 | else if (strcmp(arg, "nat") == 0) | ||
67 | res = RTN_NAT; | ||
68 | else if (matches(arg, "broadcast") == 0 || | ||
69 | strcmp(arg, "brd") == 0) | ||
70 | res = RTN_BROADCAST; | ||
71 | else if (matches(arg, "anycast") == 0) | ||
72 | res = RTN_ANYCAST; | ||
73 | else if (matches(arg, "multicast") == 0) | ||
74 | res = RTN_MULTICAST; | ||
75 | else if (matches(arg, "prohibit") == 0) | ||
76 | res = RTN_PROHIBIT; | ||
77 | else if (matches(arg, "unreachable") == 0) | ||
78 | res = RTN_UNREACHABLE; | ||
79 | else if (matches(arg, "blackhole") == 0) | ||
80 | res = RTN_BLACKHOLE; | ||
81 | else if (matches(arg, "xresolve") == 0) | ||
82 | res = RTN_XRESOLVE; | ||
83 | else if (matches(arg, "unicast") == 0) | ||
84 | res = RTN_UNICAST; | ||
85 | else if (strcmp(arg, "throw") == 0) | ||
86 | res = RTN_THROW; | ||
87 | else { | ||
88 | res = strtoul(arg, &end, 0); | ||
89 | if (!end || end == arg || *end || res > 255) | ||
90 | return -1; | ||
91 | } | ||
92 | *id = res; | ||
93 | return 0; | ||
94 | } | ||
95 | |||
96 | int get_rt_realms(__u32 *realms, char *arg) | ||
97 | { | ||
98 | __u32 realm = 0; | ||
99 | char *p = strchr(arg, '/'); | ||
100 | |||
101 | *realms = 0; | ||
102 | if (p) { | ||
103 | *p = 0; | ||
104 | if (rtnl_rtrealm_a2n(realms, arg)) { | ||
105 | *p = '/'; | ||
106 | return -1; | ||
107 | } | ||
108 | *realms <<= 16; | ||
109 | *p = '/'; | ||
110 | arg = p+1; | ||
111 | } | ||
112 | if (*arg && rtnl_rtrealm_a2n(&realm, arg)) | ||
113 | return -1; | ||
114 | *realms |= realm; | ||
115 | return 0; | ||
116 | } | ||