oops, fixed another goof

[citadel.git] / citadel / locate_host.c

diff --git a/citadel/locate_host.c b/citadel/locate_host.c
index 2860c6a828c647e63b295faaefd4f30a3e71be4c..69080d709f38d9228a9ab722ea9ebb8e09e222f6 100644 (file)
--- a/citadel/locate_host.c
+++ b/citadel/locate_host.c
@@ -24,7 +24,7 @@
 
 void locate_host(char *tbuf, const struct in_addr *addr)
 {
-       struct hostent *ch, *ch2;
+       struct hostent *ch;
        char *i;
        int a1, a2, a3, a4;
 
@@ -45,12 +45,15 @@ void locate_host(char *tbuf, const struct in_addr *addr)
                                   section */
        }
        /* check if the forward DNS agrees; if not, they're spoofing */
-       if ((ch2 = gethostbyname(ch->h_name)) == NULL)
+       i = strdup(ch->h_name);
+       ch = gethostbyname(i);
+       free(i);
+       if (ch == NULL)
                goto bad_dns;
 
        /* check address for consistency */
-       for (; *ch2->h_addr_list; ch2->h_addr_list++)
-               if (!memcmp(*ch2->h_addr_list, addr,
+       for (; *ch->h_addr_list; ch->h_addr_list++)
+               if (!memcmp(*ch->h_addr_list, addr,
                            sizeof *addr)) {
                        strncpy(tbuf, ch->h_name, 24);
                        goto end;