dnsmasq: abort when dnssec requested but not available

Before this commit, if uci option "dnssec" was set, we pass "--dnssec"
and friends to dnsmasq, let it start and decide whether to quit and
whether to emit message for diagnosis

  # dnsmasq --dnssec; echo $?
  dnsmasq: DNSSEC not available: set HAVE_DNSSEC in src/config.h
  1

DNSSEC as a feature is different from others like dhcp, tftp in that
it's a security feature.  Better be explicit.  With this change
committed, we make it so by not allowing it in the first in the
initscript, should dnsmasq later decides to not quit (not likely) or
quit without above explicit error (unlikely but less so ;)

So this is just being proactive.  on/off choices with uci option
"dnssec" are still available like before

Link: https://github.com/openwrt/openwrt/pull/3265#issuecomment-667795302
Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
master
Yousong Zhou 4 years ago
parent 34271d38ae
commit 064dc1e81b

@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
PKG_NAME:=dnsmasq
PKG_UPSTREAM_VERSION:=2.82
PKG_VERSION:=$(subst test,~~test,$(subst rc,~rc,$(PKG_UPSTREAM_VERSION)))
PKG_RELEASE:=3
PKG_RELEASE:=4
PKG_SOURCE:=$(PKG_NAME)-$(PKG_UPSTREAM_VERSION).tar.xz
PKG_SOURCE_URL:=http://thekelleys.org.uk/dnsmasq

@ -42,9 +42,13 @@ dnsmasq_ignore_opt() {
bootp-*|\
pxe-*)
[ -z "$dnsmasq_has_dhcp" ] ;;
dnssec-*|\
dnssec*|\
trust-anchor)
[ -z "$dnsmasq_has_dnssec" ] ;;
if [ -z "$dnsmasq_has_dnssec" ]; then
echo "dnsmasq: \"$opt\" requested, but dnssec support is not available" >&2
exit 1
fi
;;
tftp-*)
[ -z "$dnsmasq_has_tftp" ] ;;
ipset)

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