gethostbyname("#.#.#.#") should fail; not return an incompletely and

incorrectly initialized hostent. in particular, h_name is supposed to
be `an official name', and gethostbyname() wasn't even trying to meet
that requirement.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/libc/net/gethostnamadr.c b/src/lib/libc/net/gethostnamadr.c
index ec3f14a900..2c0595803b 100644
--- a/src/lib/libc/net/gethostnamadr.c
+++ b/src/lib/libc/net/gethostnamadr.c
@@ -270,6 +270,7 @@ gethostbyname(name)
         register struct hostent *hp;
         char lookups[MAXDNSLUS];
 
+#ifdef insecure
         /*
          * disallow names consisting only of digits/dots, unless
          * they end in a dot.
@@ -301,6 +302,7 @@ gethostbyname(name)
                         if (!isdigit(*cp) && *cp != '.') 
                                 break;
                 }
+#endif
 
         if ((_res.options & RES_INIT) == 0 && res_init() == -1)
                 return (_gethtbyname(name));