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authorJo-Philipp Wich <jow@openwrt.org>2011-11-07 01:45:04 +0000
committerJo-Philipp Wich <jow@openwrt.org>2011-11-07 01:45:04 +0000
commit6f01cff35673f04c61b965fdda0fe3998b52506b (patch)
tree40113ee06e7f67f2692abd63e1f9d86f9123ed23 /package/busybox/patches
parentef51de68605685068506e556b75b5b3555781c90 (diff)
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[package] busybox: ntpd: indefinitely try to resolve peer addresses (#10361)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28794 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/busybox/patches')
-rw-r--r--package/busybox/patches/610-ntpd_delayed_resolve.patch48
1 files changed, 48 insertions, 0 deletions
diff --git a/package/busybox/patches/610-ntpd_delayed_resolve.patch b/package/busybox/patches/610-ntpd_delayed_resolve.patch
new file mode 100644
index 0000000000..5e17ae16c2
--- /dev/null
+++ b/package/busybox/patches/610-ntpd_delayed_resolve.patch
@@ -0,0 +1,48 @@
+--- a/networking/ntpd.c
++++ b/networking/ntpd.c
+@@ -216,6 +216,7 @@ typedef struct {
+ typedef struct {
+ len_and_sockaddr *p_lsa;
+ char *p_dotted;
++ char *p_hostname;
+ /* when to send new query (if p_fd == -1)
+ * or when receive times out (if p_fd >= 0): */
+ int p_fd;
+@@ -646,8 +647,9 @@ add_peers(char *s)
+ peer_t *p;
+
+ p = xzalloc(sizeof(*p));
+- p->p_lsa = xhost2sockaddr(s, 123);
+- p->p_dotted = xmalloc_sockaddr2dotted_noport(&p->p_lsa->u.sa);
++ p->p_hostname = s;
++ p->p_lsa = NULL;
++ p->p_dotted = NULL;
+ p->p_fd = -1;
+ p->p_xmt_msg.m_status = MODE_CLIENT | (NTP_VERSION << 3);
+ p->next_action_time = G.cur_time; /* = set_next(p, 0); */
+@@ -696,6 +698,25 @@ send_query_to_peer(peer_t *p)
+ *
+ * Uncomment this and use strace to see it in action:
+ */
++
++ /* See if the peer hostname already resolved yet, if not, retry to resolv and return on failure */
++ if (!p->p_lsa)
++ {
++ p->p_lsa = host2sockaddr(p->p_hostname, 123);
++
++ if (p->p_lsa)
++ {
++ p->p_dotted = xmalloc_sockaddr2dotted_noport(&p->p_lsa->u.sa);
++ VERB1 bb_error_msg("resolved peer %s to %s", p->p_hostname, p->p_dotted);
++ }
++ else
++ {
++ set_next(p, RETRY_INTERVAL);
++ VERB1 bb_error_msg("could not resolve peer %s, skipping", p->p_hostname);
++ return;
++ }
++ }
++
+ #define PROBE_LOCAL_ADDR /* { len_and_sockaddr lsa; lsa.len = LSA_SIZEOF_SA; getsockname(p->query.fd, &lsa.u.sa, &lsa.len); } */
+
+ if (p->p_fd == -1) {