#!/bin/sh

MAKEDEPS="make "
DEPS="musl e2fsprogs libldap gdbm"

PKG_VER=1.19.3
SOURCE=http://kerberos.org/dist/krb5/${PKG_VER%.*}/krb5-${PKG_VER}.tar.gz

ADDITIONAL="
    https://www.linuxfromscratch.org/patches/blfs/svn/mitkrb-${PKG_VER}-openssl3_fixes-1.patch
"

DESC="The Kerberos network authentication system"

prepare () {

    # fix denial of service vulnerability
    sed -i '210a if (sprinc == NULL) {\
       status = "NULL_SERVER";\
       errcode = KRB5KDC_ERR_S_PRINCIPAL_UNKNOWN;\
       goto cleanup;\
       }' src/kdc/do_tgs_req.c


    cd src &&
    #these were needed for libressl
    #patch -Np0 -i ../patch-plugins_preauth_pkinit_pkinit__crypto__openssl.c
    #patch -Np0 -i ../patch-plugins_preauth_pkinit_pkinit__crypto__openssl.h
    patch -Np2 -i ../mitkrb-$PKG_VER-openssl3_fixes-1.patch


   	sed -e "/LDFLAGS=/d" -i build-tools/krb5-config.in
    sed -i -e 's@\^u}@^u cols 300}@' tests/dejagnu/config/default.exp || true
    sed -i -e '/eq 0/{N;s/12 //}'    plugins/kdb/db2/libdb2/test/run.test || true
    sed -i '/t_iprop.py/d'           tests/Makefile.in                    || true
}

build () {
    # would be ideal to use openssl rather than builtin library
    autoreconf
    ./configure --prefix=/usr            \
                --sysconfdir=/etc        \
                --localstatedir=/var/lib \
                --runstatedir=/run       \
                --with-system-et         \
                --with-system-ss         \
                --with-system-verto=no   \
                --with-crypto-impl=builtin \
                --enable-dns-for-realm &&

    make
}

package () {
    make DESTDIR=$PKG_DEST install

    install -dm755 $PKG_DEST/usr/share/doc/krb5-$PKG_VER &&
    cp -fr ../doc/*  $PKG_DEST/usr/share/doc/krb5-$PKG_VER
}