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teach us to recognize internal IPs

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svn:r1271
This commit is contained in:
Roger Dingledine
2004-03-14 18:07:46 +00:00
parent 74ef3a63ae
commit f55ff5b8d2
2 changed files with 14 additions and 0 deletions
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src/common/util.c
+12
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@@ -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;
src/common/util.h
+2
View File
@@ -84,6 +84,8 @@ void spawn_exit();
int tor_socketpair(int family, int type, int protocol, int fd[2]);
int is_internal_IP(uint32_t ip);
const char *get_uname(void);
/* Start putting the process into daemon mode: fork and drop all resources