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fix: apt-download checksum

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support SHA1/SHA256 checksum
This commit is contained in:
bigeagle 2016-01-18 13:51:01 +08:00
parent 76a36a2450
commit 8fd57c3845
1 changed files with 28 additions and 10 deletions
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38
scripts/helpers/apt-download
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@ -36,11 +36,20 @@ function apt-download-binary() {
declare pkgidx_content=""
declare cnt_start=false
declare -i checksum_len
if (grep -e '^SHA256:$' ${release_file} &>/dev/null); then
checksum_cmd="sha256sum"; checksum_regex="^SHA256:$"; checksum_len=64
elif (grep -e '^SHA1:$' ${release_file} &>/dev/null); then
checksum_cmd="sha1sum"; checksum_regex="^SHA1:$"; checksum_len=40
elif (grep -e '^MD5Sum:$' ${release_file} &>/dev/null); then
checksum_cmd="md5sum"; checksum_regex="^MD5sum:$"; checksum_len=32
fi
while read line; do
if [[ ${cnt_start} = true ]]; then
read -a tokens <<< $line
md5=${tokens[0]}
if [[ ${#md5} != 32 ]]; then
checksum=${tokens[0]}
if [[ ${#checksum} != ${checksum_len} ]]; then
break
fi
filesize=${tokens[1]}
@ -50,7 +59,7 @@ function apt-download-binary() {
pkgidx_file="${dest_base_dir}/dists/${dist}/${filename}"
pkglist_url="${base_url}/dists/${dist}/${filename}"
check-and-download "${pkglist_url}" ${pkgidx_file} || true
echo "${md5} ${pkgidx_file}" | md5sum -c -
echo "${checksum} ${pkgidx_file}" | ${checksum_cmd} -c -
if [ -z "${pkgidx_content}" -a -f ${pkgidx_file} ]; then
echo "getting packages index content"
case $filename in
@ -67,7 +76,7 @@ function apt-download-binary() {
fi
fi
else
if [[ "$line" =~ ^MD5Sum:$ ]]; then
if [[ "$line" =~ ${checksum_regex} ]]; then
cnt_start=true
fi
fi
@ -78,25 +87,34 @@ function apt-download-binary() {
return 1
fi
# Set checksum method
if (echo -e "${pkgidx_content}" | grep -e '^SHA256' &>/dev/null); then
checksum_cmd="sha256sum"; checksum_regex="^SHA256"
elif (echo -e "${pkgidx_content}" | grep -e '^SHA1' &>/dev/null); then
checksum_cmd="sha1sum"; checksum_regex="^SHA1"
elif (echo -e "${pkgidx_content}" | grep -e '^MD5sum' &>/dev/null); then
checksum_cmd="md5sum"; checksum_regex="^MD5sum"
fi
# Download packages
(echo -e "${pkgidx_content}" | grep -e '^Filename' -e '^Size' -e '^MD5sum' | cut -d' ' -f 2) | \
while read pkg_filename; read pkg_size; read pkg_md5; do
(echo -e "${pkgidx_content}" | grep -e '^Filename' -e '^Size' -e ${checksum_regex} | cut -d' ' -f 2) | \
while read pkg_filename; read pkg_size; read pkg_checksum; do
dest_filename="${dest_base_dir}/${pkg_filename}"
dest_dir=`dirname ${dest_filename}`
[ ! -d "$dest_dir" ] && mkdir -p "$dest_dir"
pkg_url="${base_url}/${pkg_filename}"
declare downloaded="false"
declare downloaded=false
if [ -f ${dest_filename} ]; then
rsize=`stat -c "%s" ${dest_filename}`
if [ ${rsize} -eq ${pkg_size} ]; then
downloaded="true"
downloaded=true
echo "Skipping ${pkg_filename}, size ${pkg_size}"
fi
fi
while [ $downloaded != "true" ]; do
while [ $downloaded != true ]; do
echo "downloading ${pkg_url}"
wget -q -O ${dest_filename} ${pkg_url} && {
echo "${pkg_md5} ${dest_filename}" | md5sum -c - && downloaded=true # two space for md5sum check format
echo "${pkg_checksum} ${dest_filename}" | ${checksum_cmd} -c - && downloaded=true # two space for md5sum/sha1sum/sha256sum check format
}
done
done