From a50b256dde29028a056176a2bef99096f6c5b619 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Fri, 14 Oct 2016 17:21:27 +0000
Subject:  Port to the new librandom API.

---
 src/libs6dns/deps-lib/s6dns |  2 ++
 src/libs6dns/s6dns_engine.c |  6 +++---
 src/libs6dns/s6dns_finish.c |  9 +++++++++
 src/libs6dns/s6dns_init.c   | 11 +++++++++++
 4 files changed, 25 insertions(+), 3 deletions(-)
 create mode 100644 src/libs6dns/s6dns_finish.c
 create mode 100644 src/libs6dns/s6dns_init.c

(limited to 'src/libs6dns')

diff --git a/src/libs6dns/deps-lib/s6dns b/src/libs6dns/deps-lib/s6dns
index 1140b6e..b0ae95d 100644
--- a/src/libs6dns/deps-lib/s6dns
+++ b/src/libs6dns/deps-lib/s6dns
@@ -86,4 +86,6 @@ s6dns_debug_dumpdt_stderr.o
 s6dns_debug_dumpdt_post_recv.o
 s6dns_debug_dumpdt_pre_send.o
 s6dns_debug_dumpdt_post_send.o
+s6dns_init.o
+s6dns_finish.o
 -lskarnet
diff --git a/src/libs6dns/s6dns_engine.c b/src/libs6dns/s6dns_engine.c
index 6cf7797..f903ea9 100644
--- a/src/libs6dns/s6dns_engine.c
+++ b/src/libs6dns/s6dns_engine.c
@@ -71,7 +71,7 @@ static int randombind (int fd, int flag)
 {
   register unsigned int i = 0 ;
   for (; i < 10 ; i++)
-    if (socketbind46(fd, S6DNS_ENGINE_LOCAL0, 1025 + badrandom_int(64510), flag) >= 0) return 1 ;
+    if (socketbind46(fd, S6DNS_ENGINE_LOCAL0, 1025 + random_uint32(64510), flag) >= 0) return 1 ;
   return (socketbind46(fd, S6DNS_ENGINE_LOCAL0, 0, flag) >= 0) ;
 }
 
@@ -86,7 +86,7 @@ static int thisudp (s6dns_engine_t *dt, tain_t const *stamp)
     }
     if (byte_diff(s6dns_ip46list_ip(&dt->servers, dt->curserver), SKALIBS_IP_SIZE, S6DNS_ENGINE_LOCAL0)) break ;
   }
-  if (badrandom_string(dt->sa.s + 2, 2) < 2) return -1 ; /* random query id */
+  random_string(dt->sa.s + 2, 2) ; /* random query id */
   dt->fd = socketudp46(s6dns_ip46list_is6(&dt->servers, dt->curserver)) ;
   if (dt->fd < 0) return -1 ;
   if (!randombind(dt->fd, s6dns_ip46list_is6(&dt->servers, dt->curserver)))
@@ -117,7 +117,7 @@ static int thistcp (s6dns_engine_t *dt, tain_t const *stamp)
   for (; dt->curserver < S6DNS_MAX_SERVERS ; dt->curserver++)
     if (byte_diff(s6dns_ip46list_ip(&dt->servers, dt->curserver), SKALIBS_IP_SIZE, S6DNS_ENGINE_LOCAL0)) break ;
   if (dt->curserver >= S6DNS_MAX_SERVERS) return -2 ;
-  if (badrandom_string(dt->sa.s + 2, 2) < 2) return -1 ;
+  random_string(dt->sa.s + 2, 2) ;
   dt->fd = sockettcp46(s6dns_ip46list_is6(&dt->servers, dt->curserver)) ;
   if (dt->fd < 0) return -1 ;
   if (!randombind(dt->fd, s6dns_ip46list_is6(&dt->servers, dt->curserver)))
diff --git a/src/libs6dns/s6dns_finish.c b/src/libs6dns/s6dns_finish.c
new file mode 100644
index 0000000..3520c5d
--- /dev/null
+++ b/src/libs6dns/s6dns_finish.c
@@ -0,0 +1,9 @@
+/* ISC license. */
+
+#include <s6dns/s6-dns.h>
+
+void s6dns_finish ()
+{
+  s6dns_engine_free(&s6dns_engine_here) ;
+  s6dns_rci_free(&s6dns_rci_here) ;
+}
diff --git a/src/libs6dns/s6dns_init.c b/src/libs6dns/s6dns_init.c
new file mode 100644
index 0000000..04f94d9
--- /dev/null
+++ b/src/libs6dns/s6dns_init.c
@@ -0,0 +1,11 @@
+/* ISC license. */
+
+#include <skalibs/random.h>
+#include <s6dns/s6-dns.h>
+
+int s6dns_init (void)
+{
+  if (!random_init()) return 0 ;
+  if (!s6dns_rci_init(&s6dns_rci_here, "/etc/resolv.conf")) return 0 ;
+  return 1 ;
+}
-- 
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