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authorDenys Vlasenko <vda.linux@googlemail.com>2019-07-02 15:03:47 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2019-07-02 15:03:47 +0200
commitb6946084296525f0e2aa3e72df7b896cc98197d7 (patch)
tree662ae8da14038db4e9002984e8825420090ffe11
parentc0961e09b200cbe4f243cbb588362904eaa1ce60 (diff)
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ntpd: add comment about mode6, no code changes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--networking/ntpd.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/networking/ntpd.c b/networking/ntpd.c
index 465c74d6c..48dc1c379 100644
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -2238,6 +2238,13 @@ recv_and_process_client_pkt(void /*int fd*/)
2238 from = xzalloc(to->len); 2238 from = xzalloc(to->len);
2239 2239
2240 size = recv_from_to(G_listen_fd, &msg, sizeof(msg), MSG_DONTWAIT, from, &to->u.sa, to->len); 2240 size = recv_from_to(G_listen_fd, &msg, sizeof(msg), MSG_DONTWAIT, from, &to->u.sa, to->len);
2241
2242 /* "ntpq -p" (4.2.8p13) sends a 12-byte NTPv2 request:
2243 * m_status is 0x16: leap:0 version:2 mode:6(reserved1)
2244 * https://docs.ntpsec.org/latest/mode6.html
2245 * We don't support this.
2246 */
2247
2241#if ENABLE_FEATURE_NTP_AUTH 2248#if ENABLE_FEATURE_NTP_AUTH
2242 if (size != NTP_MSGSIZE_NOAUTH && size != NTP_MSGSIZE_MD5_AUTH && size != NTP_MSGSIZE_SHA1_AUTH) 2249 if (size != NTP_MSGSIZE_NOAUTH && size != NTP_MSGSIZE_MD5_AUTH && size != NTP_MSGSIZE_SHA1_AUTH)
2243#else 2250#else