Bug #690: don't copy to many bytes when copying the address info

bk: 44e7dd2eUuYgC5n-d6zx-KmIqdKUsA

diff --git a/libntp/ntp_rfc2553.c b/libntp/ntp_rfc2553.c
index e63781cb2089bfe66eeb3e4375683ab22d819e3c..63562d60868b2e3f1077352f111b975f4990be66 100644 (file)
--- a/libntp/ntp_rfc2553.c
+++ b/libntp/ntp_rfc2553.c
@@ -413,7 +413,7 @@ do_nodename(
        ai->ai_family = hp->h_addrtype;
        ai->ai_addrlen = sizeof(struct sockaddr);
        sockin = (struct sockaddr_in *)ai->ai_addr;
-       memcpy(&sockin->sin_addr, hp->h_addr, hp->h_length);
+       memcpy(&sockin->sin_addr, hp->h_addr, sizeof(struct in_addr));
        ai->ai_addr->sa_family = hp->h_addrtype;
 #ifdef HAVE_SA_LEN_IN_STRUCT_SOCKADDR
        ai->ai_addr->sa_len = sizeof(struct sockaddr);