Commit f55ff5b8 authored by Roger Dingledine's avatar Roger Dingledine
Browse files

teach us to recognize internal IPs 


svn:r1271
parent 74ef3a63

src/common/util.c

+12 −0
Original line number Diff line number Diff line
@@ -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 −0
Original line number Diff line number Diff line
@@ -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