package/network/services/dnsmasq/patches/0010-Log-warning-on-very-large-cachesize-config-instead-o.patch

   1 From 1f1873aadd092a0fab505dd278a484d887ba0ec3 Mon Sep 17 00:00:00 2001
   2 From: Simon Kelley <simon@thekelleys.org.uk>
   3 Date: Fri, 11 May 2018 23:38:23 +0100
   4 Subject: [PATCH 10/10] Log warning on very large cachesize config, instead of
   5  truncating it.
   6
   7 Signed-off-by: Kevin Darbyshire-Bryant <ldir@darbyshire-bryant.me.uk>
   8 ---
   9  src/dnsmasq.c | 6 +++++-
  10  src/option.c  | 2 --
  11  2 files changed, 5 insertions(+), 3 deletions(-)
  12
  13 --- a/src/dnsmasq.c
  14 +++ b/src/dnsmasq.c
  15 @@ -740,7 +740,11 @@ int main (int argc, char **argv)
  16    else
  17      {
  18        if (daemon->cachesize != 0)
  19 -       my_syslog(LOG_INFO, _("started, version %s cachesize %d"), VERSION, daemon->cachesize);
  20 +       {
  21 +         my_syslog(LOG_INFO, _("started, version %s cachesize %d"), VERSION, daemon->cachesize);
  22 +         if (daemon->cachesize > 10000)
  23 +           my_syslog(LOG_WARNING, _("cache size greater than 10000 may cause performance issues, and is unlikely to be useful."));
  24 +       }
  25        else
  26         my_syslog(LOG_INFO, _("started, version %s cache disabled"), VERSION);
  27
  28 --- a/src/option.c
  29 +++ b/src/option.c
  30 @@ -2603,8 +2603,6 @@ static int one_opt(int option, char *arg
  31
  32             if (size < 0)
  33               size = 0;
  34 -           else if (size > 10000)
  35 -             size = 10000;
  36
  37             daemon->cachesize = size;
  38           }