# SPDX-FileCopyrightText: 2019-2024, Giovanni Dante Grazioli <wargio@libero.it>
# SPDX-FileCopyrightText: 2019 Giovanni Dante Grazioli <gda@nbs-system.com>
# SPDX-License-Identifier: GPL-3.0-or-later


# NAXSI include files
naxsi_includes="
    $ngx_addon_dir/naxsi.h \
    $ngx_addon_dir/naxsi_const.h \
    $ngx_addon_dir/naxsi_config.h \
    $ngx_addon_dir/naxsi_log.h \
    $ngx_addon_dir/naxsi_net.h \
"

# NAXSI C source files
naxsi_sources="
    $ngx_addon_dir/naxsi_config.c \
    $ngx_addon_dir/naxsi_json.c \
    $ngx_addon_dir/naxsi_net.c \
    $ngx_addon_dir/naxsi_raw.c \
    $ngx_addon_dir/naxsi_runtime.c \
    $ngx_addon_dir/naxsi_skeleton.c \
    $ngx_addon_dir/naxsi_utf8.c \
    $ngx_addon_dir/naxsi_log.c \
    $ngx_addon_dir/naxsi_utils.c \
    $ngx_addon_dir/naxsi_windows.c \
"

# try to use libinjection as system library
LIBINJECTION_CFLAGS="$(pkg-config --cflags libinjection)"
LIBINJECTION_LIBS="$(pkg-config --libs libinjection)"
LIBINJECTION_FOUND="$?"

if [ "$LIBINJECTION_FOUND" != "0" ]; then
    if [ ! -d "$ngx_addon_dir/libinjection/src/" ]; then
        echo "Cannot find 'libinjection' submodule."
        exit 1;
    fi
    echo "Using submodule libinjection"
    # prepend ngx_config.h to libinjection sources, copy headers
    mkdir -p $ngx_addon_dir/libinjection_ngxbuild
    cp $ngx_addon_dir/libinjection/src/*.h $ngx_addon_dir/libinjection_ngxbuild/
    for src_file in libinjection_html5.c libinjection_sqli.c libinjection_xss.c ; do
        echo "#include <ngx_config.h>" > $ngx_addon_dir/libinjection_ngxbuild/$src_file
        cat $ngx_addon_dir/libinjection/src/$src_file >> $ngx_addon_dir/libinjection_ngxbuild/$src_file
        naxsi_sources="$naxsi_sources $ngx_addon_dir/libinjection_ngxbuild/$src_file"
    done;
    CFLAGS="$CFLAGS -DLIBINJECTION_VERSION=0 -I$ngx_addon_dir/libinjection_ngxbuild/"
else
    echo "Using system libinjection"
    CFLAGS="$CFLAGS $LIBINJECTION_CFLAGS"
    ngx_feature_libs="$LIBINJECTION_LIBS"
fi

# NGINX module condfiguration.
ngx_addon_name=naxsi
ngx_module_name=ngx_http_naxsi_module
if test -n "$ngx_module_link"; then
    ngx_module_type=HTTP
    ngx_module_incs="$ngx_addon_dir/"
    ngx_module_srcs="$naxsi_sources"
    . auto/module
else
    HTTP_MODULES="$HTTP_MODULES ngx_http_naxsi_module"
    NGX_ADDON_SRCS="$NGX_ADDON_SRCS $naxsi_sources"
    NGX_ADDON_DEPS="$NGX_ADDON_DEPS $naxsi_includes"
fi