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authorUlrich Drepper <drepper@redhat.com>2006-09-04 18:00:58 +0000
committerUlrich Drepper <drepper@redhat.com>2006-09-04 18:00:58 +0000
commit03eeff83892d66bd06f85eab3172ab4679273f6e (patch)
tree7498f2698a21722864477296bb1868c45cee2284 /resolv
parentb80770b23f7c285fb7c04e3e86dc5f2bb2a1cf11 (diff)
downloadglibc-03eeff83892d66bd06f85eab3172ab4679273f6e.tar.gz
* resolv/res_mkquery.c (res_nmkquery): Set hp->id to statp->id after
randomization rather than before. * resolv/res_init.c (res_randomid): Don't call gettimeofday here.
Diffstat (limited to 'resolv')
-rw-r--r--resolv/res_init.c5
-rw-r--r--resolv/res_mkquery.c12
2 files changed, 5 insertions, 12 deletions
diff --git a/resolv/res_init.c b/resolv/res_init.c
index f881060d58..b5a03d1883 100644
--- a/resolv/res_init.c
+++ b/resolv/res_init.c
@@ -537,10 +537,7 @@ net_mask(in) /* XXX - should really use system's version of this */
u_int
res_randomid(void) {
- struct timeval now;
-
- __gettimeofday(&now, NULL);
- return (0xffff & (now.tv_sec ^ now.tv_usec ^ __getpid()));
+ return 0xffff & __getpid();
}
#ifdef _LIBC
libc_hidden_def (__res_randomid)
diff --git a/resolv/res_mkquery.c b/resolv/res_mkquery.c
index 4d98b8c5e8..fd80569fe2 100644
--- a/resolv/res_mkquery.c
+++ b/resolv/res_mkquery.c
@@ -124,24 +124,20 @@ res_nmkquery(res_state statp,
incremented by one after the initial randomization which
still predictable if the application does multiple
requests. */
-#if 0
- hp->id = htons(++statp->id);
-#else
- hp->id = htons(statp->id);
int randombits;
do
{
-# ifdef RANDOM_BITS
+#ifdef RANDOM_BITS
RANDOM_BITS (randombits);
-# else
+#else
struct timeval tv;
__gettimeofday (&tv, NULL);
randombits = (tv.tv_sec << 8) ^ tv.tv_usec;
-# endif
+#endif
}
while ((randombits & 0xffff) == 0);
statp->id = (statp->id + randombits) & 0xffff;
-#endif
+ hp->id = statp->id;
hp->opcode = op;
hp->rd = (statp->options & RES_RECURSE) != 0;
hp->rcode = NOERROR;