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author | Jo-Philipp Wich <jow@openwrt.org> | 2013-01-19 10:11:34 +0000 |
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committer | Jo-Philipp Wich <jow@openwrt.org> | 2013-01-19 10:11:34 +0000 |
commit | 4dce17cf6394470488b9d66bc2182018d6b5f5c2 (patch) | |
tree | 305bc2d9a9c95522bd835c97169e878c530b532a /package/busybox/patches/611-upstream_ntpd_version_fix.patch | |
parent | 473bbcc2c25aee2f8eb1abc14a55abbbc4f4c14a (diff) | |
download | upstream-4dce17cf6394470488b9d66bc2182018d6b5f5c2.tar.gz upstream-4dce17cf6394470488b9d66bc2182018d6b5f5c2.tar.bz2 upstream-4dce17cf6394470488b9d66bc2182018d6b5f5c2.zip |
busybox: add an upstream ntpd fix (#12841)
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35239 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/busybox/patches/611-upstream_ntpd_version_fix.patch')
-rw-r--r-- | package/busybox/patches/611-upstream_ntpd_version_fix.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/package/busybox/patches/611-upstream_ntpd_version_fix.patch b/package/busybox/patches/611-upstream_ntpd_version_fix.patch new file mode 100644 index 0000000000..7bcb8475d7 --- /dev/null +++ b/package/busybox/patches/611-upstream_ntpd_version_fix.patch @@ -0,0 +1,29 @@ +From b7841cf7b919b16d1bd4619154bf7cb4c22b4ccd Mon Sep 17 00:00:00 2001 +From: Paul Marks <paul@pmarks.net> +Date: Mon, 14 Jan 2013 01:39:10 +0000 +Subject: ntpd: fix incorrect m_status field in outgoing packets. Closes 5120 + +When using busybox ntpd with an NTPv3 client and NTPv4 server (or vice +versa), the version numbers can be incorrectly ORed together, yielding +the bogus value of "NTPv7". This makes ntpd unusable with clients +such as Chrony and Windows "Internet Time". + +This patch avoids the version mangling, by copying only the Leap +Indicator bits from the server's status field. + +Signed-off-by: Paul Marks <paul@pmarks.net> +Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> +--- +(limited to 'networking/ntpd.c') + +--- a/networking/ntpd.c ++++ b/networking/ntpd.c +@@ -1794,7 +1794,7 @@ recv_and_process_client_pkt(void /*int f + + /* Build a reply packet */ + memset(&msg, 0, sizeof(msg)); +- msg.m_status = G.stratum < MAXSTRAT ? G.ntp_status : LI_ALARM; ++ msg.m_status = G.stratum < MAXSTRAT ? (G.ntp_status & LI_MASK) : LI_ALARM; + msg.m_status |= (query_status & VERSION_MASK); + msg.m_status |= ((query_status & MODE_MASK) == MODE_CLIENT) ? + MODE_SERVER : MODE_SYM_PAS; |