[PATCH] Event-Timestamp should be sent for all Accounting-Request packets

[Nick Lowe]

From: Nick Lowe <nick.lowe at lugatech.com>

Event-Timestamp should be sent for all Accounting-Request packets and
only after the system clock has a sane value, not where there's a
value close to the Unix time epoch.

Signed-off-by: Nick Lowe <nick.lowe at lugatech.com>
---
 src/ap/accounting.c | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/src/ap/accounting.c b/src/ap/accounting.c
index e585b78..09cd431 100644
--- a/src/ap/accounting.c
+++ b/src/ap/accounting.c
@@ -41,6 +41,7 @@ static struct radius_msg * accounting_msg(struct
hostapd_data *hapd,
  size_t len;
  int i;
  struct wpabuf *b;
+ struct os_time now;

  msg = radius_msg_new(RADIUS_CODE_ACCOUNTING_REQUEST,
      radius_client_get_id(hapd->radius));
@@ -157,6 +158,15 @@ static struct radius_msg * accounting_msg(struct
hostapd_data *hapd,
  }
  }

+ os_get_time(&now);
+ if (now.sec > 1000000000) {
+ if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
+   now.sec)) {
+ wpa_printf(MSG_INFO, "Could not add Event-Timestamp");
+ goto fail;
+ }
+ }
+
  return msg;

  fail:
@@ -259,7 +269,6 @@ static void accounting_sta_report(struct hostapd_data *hapd,
  int cause = sta->acct_terminate_cause;
  struct hostap_sta_driver_data data;
  struct os_reltime now_r, diff;
- struct os_time now;
  u32 gigawords;

  if (!hapd->conf->radius->acct_server)
@@ -274,7 +283,6 @@ static void accounting_sta_report(struct hostapd_data *hapd,
  }

  os_get_reltime(&now_r);
- os_get_time(&now);
  os_reltime_sub(&now_r, &sta->acct_session_start, &diff);
  if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_ACCT_SESSION_TIME,
        diff.sec)) {
@@ -331,12 +339,6 @@ static void accounting_sta_report(struct
hostapd_data *hapd,
  }
  }

- if (!radius_msg_add_attr_int32(msg, RADIUS_ATTR_EVENT_TIMESTAMP,
-       now.sec)) {
- wpa_printf(MSG_INFO, "Could not add Event-Timestamp");
- goto fail;
- }
-
  if (eloop_terminated())
  cause = RADIUS_ACCT_TERMINATE_CAUSE_ADMIN_REBOOT;

-- 
2.5.0