1 files changed, 180 insertions, 0 deletions
diff --git a/build_tools/download_externals b/build_tools/download_externals
new file mode 100755
index 000000000..8d5872df7
--- /dev/null
+++ b/build_tools/download_externals
@@ -0,0 +1,180 @@
+#!/usr/bin/env bash
+
+if [[ ( ${BASH_VERSINFO[0]} == 4 && ${BASH_VERSINFO[1]} > 1 ) || ${BASH_VERSINFO[0]} > 4 ]] ; then
+	shopt -s compat41
+fi
+set -e
+
+ASTTOPDIR=${ASTTOPDIR:-.}
+
+module_name=$1
+
+if [[ -z ${module_name} ]] ; then
+	echo "You must supply a module name."
+	exit 64
+fi
+
+tmpdir=$(mktemp -d)
+if [[ -z "${tmpdir}" ]] ; then
+	echo "${module_name}: Unable to create temporary directory."
+	exit 1
+fi
+trap "rm -rf ${tmpdir}" EXIT
+
+sed -r -e "s/^([^ =]+)\s*=\s*(.*)$/\1=\"\2\"/g" ${ASTTOPDIR}/makeopts >${tmpdir}/makeopts
+source ${tmpdir}/makeopts
+if [[ -z "${ASTMODDIR}" ]] ; then
+	echo "${module_name}: Unable to parse ${ASTTOPDIR}/makeopts."
+	exit 1
+fi
+
+XMLSTARLET=${XMLSTARLET:-xmlstarlet}
+if [[ "${XMLSTARLET}" = ":" ]] ; then
+	echo "${module_name}: The externals downloader requires xmlstarlet to be installed."
+	exit 1
+fi
+
+cache_dir="${EXTERNALS_CACHE_DIR}"
+if [[ -z ${cache_dir} ]] ; then
+	cache_dir=${tmpdir}
+fi
+
+version=$(${ASTTOPDIR}/build_tools/make_version ${ASTTOPDIR})
+if [[ ! ${version} =~ ^(GIT-)?([^.-]+)[.-].* ]] ; then
+	echo "${module_name}: Couldn't parse version ${version}"
+	exit 1
+fi
+major_version=${BASH_REMATCH[2]}
+
+if [[ "${major_version}" == "master" ]] ; then
+	echo "${module_name}: External module downloading is not available in the 'master' git branch.  Please disable in menuselect and download manually."
+	exit 1
+fi
+
+major_version=${major_version}.0
+
+if [[ "${HOST_CPU}" = "x86_64" ]] ; then
+	host_bits=64
+else
+	host_bits=32
+fi
+
+remote_url=$(${XMLSTARLET} sel -t -v "/menu/category/member[@name = '${module_name}']/member_data/downloader/@remote_url" ${ASTTOPDIR}/menuselect-tree || :)
+if [[ -n "${remote_url}" ]] ; then
+	remote_url="${remote_url}/asterisk-${major_version}/x86-${host_bits}"
+else
+	directory_name=$(${XMLSTARLET} sel -t -v "/menu/category/member[@name = '${module_name}']/member_data/downloader/@directory_name" ${ASTTOPDIR}/menuselect-tree || :)
+	remote_url="http://downloads.digium.com/pub/telephony/${directory_name:-${module_name}}/asterisk-${major_version}/x86-${host_bits}"
+fi
+
+version_convert() {
+	local v=${1##*_}
+	if [[ ${v} =~ ([0-9]+)[.]([0-9]+)[.]([0-9]+) ]] ; then
+		v=$(( ${BASH_REMATCH[1]}<<18 | ${BASH_REMATCH[2]}<<9 | ${BASH_REMATCH[3]} ))
+	fi
+	echo ${v}
+}
+
+${WGET} -q -O ${tmpdir}/manifest.xml ${remote_url}/manifest.xml || {
+	echo "${module_name}: Unable to fetch ${remote_url}/manifest.xml"
+	exit 1
+}
+
+rpv=$(${XMLSTARLET} sel -t -v "/package/@version" ${tmpdir}/manifest.xml)
+rpvi=$(version_convert ${rpv})
+echo "${module_name}: Remote package version ${rpv} (${rpvi})"
+
+module_dir=${module_name}-${rpv}-x86_${host_bits}
+tarball=${module_dir}.tar.gz
+export need_install=0
+
+if [[ -f ${DESTDIR}${ASTMODDIR}/${module_name}.manifest.xml ]] ; then
+	package_arch=$(${XMLSTARLET} sel -t -v "/package/@arch" ${DESTDIR}${ASTMODDIR}/${module_name}.manifest.xml)
+	ipv=$(${XMLSTARLET} sel -t -v "/package/@version" ${DESTDIR}${ASTMODDIR}/${module_name}.manifest.xml)
+	ipvi=$(version_convert ${ipv})
+	ip_major=${ipv%_*}
+	echo "${module_name}: Installed package version ${ipv} (${ipvi})"
+	if [[ "${ip_major}" != "${major_version}" || "${package_arch}" != "x86_${host_bits}" ]] ; then
+		echo "${module_name}: The installed package is not for this version of Asterisk.  Reinstalling."
+		need_install=1
+	elif [[ ${rpvi} > ${ipvi} ]] ; then
+		echo "${module_name}: A newer package is available"
+		need_install=1
+	else
+		sums=$(${XMLSTARLET} sel -t -m "//file" -v "@md5sum" -n ${DESTDIR}${ASTMODDIR}/${module_name}.manifest.xml)
+		for sum in ${sums} ; do
+			install_path=$(${XMLSTARLET} sel -t -v "//file[@md5sum = '${sum}']/@install_path" ${DESTDIR}${ASTMODDIR}/${module_name}.manifest.xml )
+			f=${DESTDIR}$(eval echo ${install_path})
+			if [[ ! -f ${f} ]] ; then
+				echo Not found: ${f}
+				need_install=1
+			else
+				cs=$(md5sum ${f} | cut -b1-32)
+				if [[ "${cs}" !=  "${sum}" ]] ; then
+					echo Checksum mismatch: ${f}
+					need_install=1
+				fi
+			fi
+		done
+	fi
+else
+	need_install=1
+fi
+
+if [[ ${need_install} == 1 ]] ; then
+	if [[ ( -n "${ipvi}" ) && ${ipvi} > ${rpvi} ]] ; then
+		echo "${module_name}: Installed package is newer than that available for download."
+		exit 0
+	fi
+else
+	echo "${module_name} is up to date."
+	exit 0;
+fi
+
+need_download=1
+if [[ -f ${cache_dir}/${module_name}.manifest.xml ]] ; then
+	cpv=$(${XMLSTARLET} sel -t -v "/package/@version" ${cache_dir}/${module_name}.manifest.xml)
+	cpvi=$(version_convert ${cpv})
+	echo "${module_name}: Cached package version ${cpv} (${cpvi})"
+	if [[ ${cpvi} == ${rpvi} && ( -f ${cache_dir}/${tarball} ) ]] ; then
+		echo "${module_name}: Cached version is available."
+		need_download=0
+	fi
+fi
+
+if [[ ${need_download} = 1 ]] ; then
+	echo "${module_name}: Downloading ${remote_url}/${tarball}"
+	${WGET} -q -O ${cache_dir}/${tarball} ${remote_url}/${tarball} || {
+		echo "${module_name}: Unable to fetch ${remote_url}/${tarball}"
+		exit 1
+	}
+	cp ${tmpdir}/manifest.xml  ${cache_dir}/${module_name}.manifest.xml
+fi
+
+tar -xzf ${cache_dir}/${tarball} -C ${cache_dir}
+trap "rm -rf ${cache_dir}/${module_dir} ; rm -rf ${tmpdir}" EXIT
+
+echo "${module_name}: Installing."
+
+if [[ $EUID == 0 ]] ; then
+	install_params="--group=0 --owner=0"
+fi
+
+names=$(${XMLSTARLET} sel -t -m "//file" -v "@name" -n ${cache_dir}/${module_dir}/manifest.xml)
+for name in ${names} ; do
+	source_path=${cache_dir}/${module_dir}/${name}
+	install_path=$(${XMLSTARLET} sel -t -v "//file[@name = '${name}']/@install_path" ${cache_dir}/${module_dir}/manifest.xml)
+	install_path=${DESTDIR}$(eval echo ${install_path})
+	executable=$(${XMLSTARLET} sel -t -v "//file[@name = '${name}']/@executable" ${cache_dir}/${module_dir}/manifest.xml || :)
+	if [[ "${executable}" = "yes" ]] ; then
+		mode=0755
+	else
+		mode=0644
+	fi
+
+	${INSTALL} -Dp ${install_params} --mode=${mode} ${source_path} ${install_path}
+
+done
+${INSTALL} -Dp ${install_params} --mode=0644 ${cache_dir}/${module_dir}/manifest.xml ${DESTDIR}${ASTMODDIR}/${module_name}.manifest.xml
+
+echo "${module_name}: Installed."