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| author | Roger Dingledine <arma@torproject.org> | 2004-03-14 18:07:46 +0000 |
|---|---|---|
| committer | Roger Dingledine <arma@torproject.org> | 2004-03-14 18:07:46 +0000 |
| commit | f55ff5b8d20259484020c1d9790bd024ecec896d (patch) | |
| tree | fa93134cf267a3bcd4f3040de8410a8901392c29 /src/common/util.c | |
| parent | 74ef3a63ae791f8a688171568486334a73b4e7aa (diff) | |
| download | tor-f55ff5b8d20259484020c1d9790bd024ecec896d.tar tor-f55ff5b8d20259484020c1d9790bd024ecec896d.tar.gz | |
teach us to recognize internal IPs
svn:r1271
Diffstat (limited to 'src/common/util.c')
| -rw-r--r-- | src/common/util.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/common/util.c b/src/common/util.c index 98930a639..c00406338 100644 --- a/src/common/util.c +++ b/src/common/util.c @@ -686,6 +686,18 @@ try_next_line: return 1; } +int is_internal_IP(uint32_t ip) { + + if (((ip & 0xff000000) == 0xa0000000) || /* 10/8 */ + ((ip & 0xff000000) == 0x00000000) || /* 0/8 */ + ((ip & 0xff000000) == 0x7f000000) || /* 127/8 */ + ((ip & 0xffff0000) == 0xa9fe0000) || /* 169.254/16 */ + ((ip & 0xfff00000) == 0xac100000) || /* 172.16/12 */ + ((ip & 0xffff0000) == 0xc0a80000)) /* 192.168/16 */ + return 1; + return 0; +} + static char uname_result[256]; static int uname_result_is_set = 0; |