Using XT_LOG_ADD_TIMESTAMP it is possible to have a timestamp
directly in the log message.
Signed-off-by: Richard Weinberger <richard@xxxxxx>
---
include/linux/netfilter/xt_LOG.h | 1 +
net/netfilter/xt_LOG.c | 9 +++++++++
2 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/include/linux/netfilter/xt_LOG.h b/include/linux/netfilter/xt_LOG.h
index e4b1177..d84710c 100644
--- a/include/linux/netfilter/xt_LOG.h
+++ b/include/linux/netfilter/xt_LOG.h
@@ -8,6 +8,7 @@
#define XT_LOG_UID 0x08 /* Log UID owning local socket */
#define XT_LOG_NFLOG 0x10 /* Unsupported, don't reuse */
#define XT_LOG_MACDECODE 0x20 /* Decode MAC header */
+#define XT_LOG_ADD_TIMESTAMP 0x40 /* Add a timestamp */
#define XT_LOG_MASK 0x6f
struct xt_log_info {
diff --git a/net/netfilter/xt_LOG.c b/net/netfilter/xt_LOG.c
index 211d341..2af2621 100644
--- a/net/netfilter/xt_LOG.c
+++ b/net/netfilter/xt_LOG.c
@@ -490,6 +490,15 @@ log_packet_common(struct sbuff *m,
if (loginfo->type == NF_LOG_TYPE_LOG)
sb_add(m, "<%d>", loginfo->u.log.level);
+ if (loginfo->u.log.logflags & XT_LOG_ADD_TIMESTAMP) {
+ struct timespec tv;
+ unsigned int msec;
+
+ getnstimeofday(&tv);
+ msec = tv.tv_nsec / NSEC_PER_MSEC;
+ sb_add(m, "TIMESTAMP=%li.%03li ", tv.tv_sec, msec);
+ }
+
sb_add(m, "%sIN=%s OUT=%s ", prefix, in ? in->name : "",
out ? out->name : "");
#ifdef CONFIG_BRIDGE_NETFILTER
--
1.7.7.3
--
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