mirror of https://github.com/hak5/openwrt.git
49 lines
1.4 KiB
Diff
49 lines
1.4 KiB
Diff
--- a/networking/ntpd.c
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+++ b/networking/ntpd.c
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@@ -216,6 +216,7 @@ typedef struct {
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typedef struct {
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len_and_sockaddr *p_lsa;
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char *p_dotted;
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+ char *p_hostname;
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/* when to send new query (if p_fd == -1)
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* or when receive times out (if p_fd >= 0): */
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int p_fd;
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@@ -646,8 +647,9 @@ add_peers(char *s)
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peer_t *p;
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p = xzalloc(sizeof(*p));
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- p->p_lsa = xhost2sockaddr(s, 123);
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- p->p_dotted = xmalloc_sockaddr2dotted_noport(&p->p_lsa->u.sa);
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+ p->p_hostname = s;
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+ p->p_lsa = NULL;
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+ p->p_dotted = NULL;
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p->p_fd = -1;
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p->p_xmt_msg.m_status = MODE_CLIENT | (NTP_VERSION << 3);
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p->next_action_time = G.cur_time; /* = set_next(p, 0); */
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@@ -696,6 +698,25 @@ send_query_to_peer(peer_t *p)
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*
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* Uncomment this and use strace to see it in action:
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*/
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+
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+ /* See if the peer hostname already resolved yet, if not, retry to resolv and return on failure */
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+ if (!p->p_lsa)
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+ {
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+ p->p_lsa = host2sockaddr(p->p_hostname, 123);
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+
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+ if (p->p_lsa)
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+ {
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+ p->p_dotted = xmalloc_sockaddr2dotted_noport(&p->p_lsa->u.sa);
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+ VERB1 bb_error_msg("resolved peer %s to %s", p->p_hostname, p->p_dotted);
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+ }
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+ else
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+ {
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+ set_next(p, RETRY_INTERVAL);
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+ VERB1 bb_error_msg("could not resolve peer %s, skipping", p->p_hostname);
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+ return;
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+ }
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+ }
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+
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#define PROBE_LOCAL_ADDR /* { len_and_sockaddr lsa; lsa.len = LSA_SIZEOF_SA; getsockname(p->query.fd, &lsa.u.sa, &lsa.len); } */
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if (p->p_fd == -1) {
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