--- /dev/null
+diff -ru pdns-4.0.4.orig/pdns/ws-auth.cc pdns-4.0.4/pdns/ws-auth.cc
+--- pdns-4.0.4.orig/pdns/ws-auth.cc 2017-06-22 22:07:25.000000000 +0200
++++ pdns-4.0.4/pdns/ws-auth.cc 2017-11-02 18:07:20.986764858 +0100
+@@ -860,7 +860,7 @@
+ static void apiServerZoneAxfrRetrieve(HttpRequest* req, HttpResponse* resp) {
+ DNSName zonename = apiZoneIdToName(req->parameters["id"]);
+
+- if(req->method != "PUT")
++ if(req->method != "PUT" || ::arg().mustDo("api-readonly"))
+ throw HttpMethodNotAllowedException();
+
+ UeberBackend B;
+@@ -879,7 +879,7 @@
+ static void apiServerZoneNotify(HttpRequest* req, HttpResponse* resp) {
+ DNSName zonename = apiZoneIdToName(req->parameters["id"]);
+
+- if(req->method != "PUT")
++ if(req->method != "PUT" || ::arg().mustDo("api-readonly"))
+ throw HttpMethodNotAllowedException();
+
+ UeberBackend B;
+@@ -1191,7 +1191,7 @@
+ }
+
+ void apiServerCacheFlush(HttpRequest* req, HttpResponse* resp) {
+- if(req->method != "PUT")
++ if(req->method != "PUT" || ::arg().mustDo("api-readonly"))
+ throw HttpMethodNotAllowedException();
+
+ DNSName canon = apiNameToDNSName(req->getvars["domain"]);
--- /dev/null
+# Copyright 1999-2017 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI="6"
+
+inherit eutils multilib user toolchain-funcs versionator
+
+DESCRIPTION="The PowerDNS Daemon"
+HOMEPAGE="https://www.powerdns.com/"
+SRC_URI="https://downloads.powerdns.com/releases/${P/_/-}.tar.bz2"
+
+LICENSE="GPL-2"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+# other possible flags:
+# db2: we lack the dep
+# oracle: dito (need Oracle Client Libraries)
+# xdb: (almost) dead, surely not supported
+
+IUSE="botan debug doc geoip ldap libressl lua luajit mydns mysql opendbx postgres protobuf remote sqlite systemd tools tinydns test"
+
+REQUIRED_USE="mydns? ( mysql ) ?? ( lua luajit )"
+
+RDEPEND="
+ libressl? ( dev-libs/libressl:= )
+ !libressl? ( dev-libs/openssl:= )
+ >=dev-libs/boost-1.35:=
+ botan? ( =dev-libs/botan-1.10*[threads] )
+ lua? ( dev-lang/lua:= )
+ luajit? ( dev-lang/luajit:= )
+ mysql? ( virtual/mysql )
+ postgres? ( dev-db/postgresql:= )
+ ldap? ( >=net-nds/openldap-2.0.27-r4 )
+ sqlite? ( dev-db/sqlite:3 )
+ opendbx? ( dev-db/opendbx )
+ geoip? ( >=dev-cpp/yaml-cpp-0.5.1 dev-libs/geoip )
+ tinydns? ( >=dev-db/tinycdb-0.77 )
+ protobuf? ( dev-libs/protobuf )"
+DEPEND="${RDEPEND}
+ virtual/pkgconfig
+ doc? ( app-doc/doxygen )"
+
+S="${WORKDIR}"/${P/_/-}
+
+PATCHES=(
+ "${FILESDIR}"/CVE-2017-15091-4.0.4.patch
+)
+
+src_configure() {
+ local dynmodules="pipe bind" # the default backends, always enabled
+
+ #use db2 && dynmodules+=" db2"
+ use ldap && dynmodules+=" ldap"
+ use lua && dynmodules+=" lua"
+ use mydns && dynmodules+=" mydns"
+ use mysql && dynmodules+=" gmysql"
+ use opendbx && dynmodules+=" opendbx"
+ #use oracle && dynmodules+=" goracle oracle"
+ use postgres && dynmodules+=" gpgsql"
+ use remote && dynmodules+=" remote"
+ use sqlite && dynmodules+=" gsqlite3"
+ use tinydns && dynmodules+=" tinydns"
+ use geoip && dynmodules+=" geoip"
+ #use xdb && dynmodules+=" xdb"
+
+ econf \
+ --disable-static \
+ --sysconfdir=/etc/powerdns \
+ --libdir=/usr/$(get_libdir)/powerdns \
+ --with-modules= \
+ --with-dynmodules="${dynmodules}" \
+ --with-pgsql-includes=/usr/include \
+ --with-pgsql-lib=/usr/$(get_libdir) \
+ --with-mysql-lib=/usr/$(get_libdir) \
+ $(use_enable botan botan1.10) \
+ $(use_enable debug verbose-logging) \
+ $(use_enable test unit-tests) \
+ $(use_enable tools) \
+ $(use_enable systemd) \
+ $(use_with lua) \
+ $(use_with luajit) \
+ $(use_with protobuf) \
+ ${myconf}
+}
+
+src_compile() {
+ default
+ use doc && emake -C codedocs codedocs
+}
+
+src_install() {
+ default
+
+ mv "${D}"/etc/powerdns/pdns.conf{-dist,}
+
+ fperms 0700 /etc/powerdns
+ fperms 0600 /etc/powerdns/pdns.conf
+
+ # set defaults: setuid=pdns, setgid=pdns
+ sed -i \
+ -e 's/^# set\([ug]\)id=$/set\1id=pdns/g' \
+ "${D}"/etc/powerdns/pdns.conf
+
+ newinitd "${FILESDIR}"/pdns-r1 pdns
+
+ keepdir /var/empty
+
+ use doc && dohtml -r codedocs/html/.
+
+ # Install development headers
+ insinto /usr/include/pdns
+ doins pdns/*.hh
+ insinto /usr/include/pdns/backends/gsql
+ doins pdns/backends/gsql/*.hh
+
+ if use ldap ; then
+ insinto /etc/openldap/schema
+ doins "${FILESDIR}"/dnsdomain2.schema
+ fi
+
+ prune_libtool_files --all
+}
+
+pkg_preinst() {
+ enewgroup pdns
+ enewuser pdns -1 -1 /var/empty pdns
+}
+
+pkg_postinst() {
+ elog "PowerDNS provides multiple instances support. You can create more instances"
+ elog "by symlinking the pdns init script to another name."
+ elog
+ elog "The name must be in the format pdns.<suffix> and PowerDNS will use the"
+ elog "/etc/powerdns/pdns-<suffix>.conf configuration file instead of the default."
+
+ if use ldap ; then
+ ewarn "The official LDAP backend module is only compile-tested by upstream."
+ ewarn "Try net-dns/pdns-ldap-backend if you have problems with it."
+ fi
+
+ local old
+ for old in ${REPLACING_VERSIONS}; do
+ version_compare ${old} 3.2
+ [[ $? -eq 1 ]] || continue
+
+ ewarn "To fix a security bug (bug #458018) had the following"
+ ewarn "files/directories the world-readable bit removed (if set):"
+ ewarn " ${EPREFIX}/etc/powerdns"
+ ewarn " ${EPREFIX}/etc/powerdns/pdns.conf"
+ ewarn "Check if this is correct for your setup"
+ ewarn "This is a one-time change and will not happen on subsequent updates."
+ chmod o-rwx "${EPREFIX}"/etc/powerdns/{,pdns.conf}
+
+ break
+ done
+}
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