%{!?_httpd_apxs:       %{expand: %%global _httpd_apxs       %%{_sbindir}/apxs}}
%{!?_httpd_mmn:        %{expand: %%global _httpd_mmn        %%(cat %{_includedir}/httpd/.mmn || echo missing-httpd-devel)}}
%{!?_httpd_confdir:    %{expand: %%global _httpd_confdir    %%{_sysconfdir}/httpd/conf.d}}
# /etc/httpd/conf.d with httpd < 2.4 and defined as /etc/httpd/conf.modules.d with httpd >= 2.4
%{!?_httpd_modconfdir: %{expand: %%global _httpd_modconfdir %%{_sysconfdir}/httpd/conf.d}}
%{!?_httpd_moddir:    %{expand: %%global _httpd_moddir    %%{_libdir}/httpd/modules}}

%global cern_version CERN_VERSION_PLACEHOLDER
%global cern_release CERN_RELEASE_PLACEHOLDER

Name:           mod_proxy_protocol
Summary:        Apache module that implements the downstream server side of HAProxy's Proxy Protocol.
Version:        %{cern_version}
Release:        %{cern_release}%{?dist}
License:        ASL 2.0
Group:          System Environment/Daemons
Source0:        %{name}-%{version}.tar.gz
BuildRequires:  httpd-devel
BuildRequires:  gcc
BuildRequires:  libtool
Requires:       httpd
Requires:       httpd-mmn = %{_httpd_mmn}

# Suppress auto-provides for module DSO per
# https://fedoraproject.org/wiki/Packaging:AutoProvidesAndRequiresFiltering#Summary
%{?filter_provides_in: %filter_provides_in %{_libdir}/httpd/modules/.*\.so$}
%{?filter_setup}

%description
HAProxy's Proxy Protocol is a way for upstream proxies and load balancers to
report the IP address of the original remote client to the downstream server,
without having to modify things like HTTP headers in the actual payload.
This package contains an Apache module that implements the downstream (i.e. the
receiving) server side of this protocol, thereby allowing other modules to see
and use the actual client's IP address instead of that of the upstream proxy or
load balancer.

%prep
#%setup -q -n mod_proxy_protocol-%{version}
%setup -q -n %{name}-%{version}

%build
%{_httpd_apxs} -c mod_proxy_protocol.c

%install
rm -rf $RPM_BUILD_ROOT
install -Dm 755 .libs/mod_proxy_protocol.so $RPM_BUILD_ROOT%{_httpd_moddir}/mod_proxy_protocol.so

%if "%{_httpd_modconfdir}" == "%{_httpd_confdir}"
# httpd <= 2.2.x
cat redhat/proxy_protocol.module > unified.conf
echo >> unified.conf
cat redhat/proxy_protocol.conf >> unified.conf
touch -c -r redhat/proxy_protocol.conf unified.conf
install -Dp -m 644 unified.conf $RPM_BUILD_ROOT%{_httpd_confdir}/proxy_protocol.conf
%else
# httpd >= 2.4.x
install -Dp -m 644 redhat/proxy_protocol.module $RPM_BUILD_ROOT%{_httpd_modconfdir}/10-proxy_protocol.conf
install -Dp -m 644 redhat/proxy_protocol.conf   $RPM_BUILD_ROOT%{_httpd_confdir}/proxy_protocol.conf
%endif

%files
%doc README.md LICENSE
%if "%{_httpd_modconfdir}" != "%{_httpd_confdir}"
%config(noreplace) %{_httpd_modconfdir}/10-proxy_protocol.conf
%endif
%config(noreplace) %{_httpd_confdir}/proxy_protocol.conf
%{_httpd_moddir}/*.so

%changelog
* Fri Dec 09 2016 Jose Castro Leon <jose.castro.leon@cern.ch> 0.1-1
- First package release.