projects / mirror_iproute2.git / blame
| Commit | Line | Data |
|---|---|---|
| aba5acdf SH |
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> | |
| aba5acdf SH |
16 | #include <fcntl.h> |
| 17 | #include <string.h> | |
| 18 | #include <sys/socket.h> | |
| 19 | #include <netinet/in.h> | |
| 20 | ||
| 21 | #include "rt_names.h" | |
| 22 | #include "utils.h" | |
| 23 | ||
| 24 | char *rtnl_rtntype_n2a(int id, char *buf, int len) | |
| 25 | { | |
| ca697cee HL |
26 | |
| 27 | if (numeric) { | |
| 28 | snprintf(buf, len, "%d", id); | |
| 29 | return buf; | |
| 30 | } | |
| 31 | ||
| aba5acdf SH |
32 | switch (id) { |
| 33 | case RTN_UNSPEC: | |
| 34 | return "none"; | |
| 35 | case RTN_UNICAST: | |
| 36 | return "unicast"; | |
| 37 | case RTN_LOCAL: | |
| 38 | return "local"; | |
| 39 | case RTN_BROADCAST: | |
| 40 | return "broadcast"; | |
| 41 | case RTN_ANYCAST: | |
| 42 | return "anycast"; | |
| 43 | case RTN_MULTICAST: | |
| 44 | return "multicast"; | |
| 45 | case RTN_BLACKHOLE: | |
| 46 | return "blackhole"; | |
| 47 | case RTN_UNREACHABLE: | |
| 48 | return "unreachable"; | |
| 49 | case RTN_PROHIBIT: | |
| 50 | return "prohibit"; | |
| 51 | case RTN_THROW: | |
| 52 | return "throw"; | |
| 53 | case RTN_NAT: | |
| 54 | return "nat"; | |
| 55 | case RTN_XRESOLVE: | |
| 56 | return "xresolve"; | |
| 57 | default: | |
| 58 | snprintf(buf, len, "%d", id); | |
| 59 | return buf; | |
| 60 | } | |
| 61 | } | |
| 62 | ||
| 63 | ||
| 64 | int rtnl_rtntype_a2n(int *id, char *arg) | |
| 65 | { | |
| 66 | char *end; | |
| 67 | unsigned long res; | |
| 68 | ||
| 69 | if (strcmp(arg, "local") == 0) | |
| 70 | res = RTN_LOCAL; | |
| 71 | else if (strcmp(arg, "nat") == 0) | |
| 72 | res = RTN_NAT; | |
| 73 | else if (matches(arg, "broadcast") == 0 || | |
| 74 | strcmp(arg, "brd") == 0) | |
| 75 | res = RTN_BROADCAST; | |
| 76 | else if (matches(arg, "anycast") == 0) | |
| 77 | res = RTN_ANYCAST; | |
| 78 | else if (matches(arg, "multicast") == 0) | |
| 79 | res = RTN_MULTICAST; | |
| 80 | else if (matches(arg, "prohibit") == 0) | |
| 81 | res = RTN_PROHIBIT; | |
| 82 | else if (matches(arg, "unreachable") == 0) | |
| 83 | res = RTN_UNREACHABLE; | |
| 84 | else if (matches(arg, "blackhole") == 0) | |
| 85 | res = RTN_BLACKHOLE; | |
| 86 | else if (matches(arg, "xresolve") == 0) | |
| 87 | res = RTN_XRESOLVE; | |
| 88 | else if (matches(arg, "unicast") == 0) | |
| 89 | res = RTN_UNICAST; | |
| 90 | else if (strcmp(arg, "throw") == 0) | |
| 91 | res = RTN_THROW; | |
| 92 | else { | |
| 93 | res = strtoul(arg, &end, 0); | |
| 94 | if (!end || end == arg || *end || res > 255) | |
| 95 | return -1; | |
| 96 | } | |
| 97 | *id = res; | |
| 98 | return 0; | |
| 99 | } | |
| 100 | ||
| d583e88e | 101 | static int get_rt_realms(__u32 *realms, char *arg) |
| aba5acdf SH |
102 | { |
| 103 | __u32 realm = 0; | |
| 104 | char *p = strchr(arg, '/'); | |
| 105 | ||
| 106 | *realms = 0; | |
| 107 | if (p) { | |
| 108 | *p = 0; | |
| 109 | if (rtnl_rtrealm_a2n(realms, arg)) { | |
| 110 | *p = '/'; | |
| 111 | return -1; | |
| 112 | } | |
| 113 | *realms <<= 16; | |
| 114 | *p = '/'; | |
| 115 | arg = p+1; | |
| 116 | } | |
| 117 | if (*arg && rtnl_rtrealm_a2n(&realm, arg)) | |
| 118 | return -1; | |
| 119 | *realms |= realm; | |
| 120 | return 0; | |
| 121 | } | |
| d583e88e DB |
122 | |
| 123 | int get_rt_realms_or_raw(__u32 *realms, char *arg) | |
| 124 | { | |
| 125 | if (!get_rt_realms(realms, arg)) | |
| 126 | return 0; | |
| 127 | ||
| 128 | return get_unsigned(realms, arg, 0); | |
| 129 | } |