Install CAcert on android via adb

install_cacert_on_android_via_adb.sh

#!/bin/bash
# Compiled by following instructions on https://wiki.cacert.org/FAQ/ImportRootCert

ADB="/home/christian/android-sdk-linux/platform-tools/adb"

ROOT_CRT="cacert-root.crt"
INT_CRT="cacert-class3.crt"

curl -o "$ROOT_CRT"   "https://www.cacert.org/certs/root.crt"
curl -o "$INT_CRT" "https://www.cacert.org/certs/class3.crt"

ROOT_CRT_ID="$(openssl x509 -inform PEM -subject_hash_old -in $ROOT_CRT | head -1).0"
INT_CRT_ID="$(openssl x509 -inform PEM -subject_hash_old -in $INT_CRT | head -1).0"

cat $ROOT_CRT > $ROOT_CRT_ID
cat $INT_CRT > $INT_CRT_ID

openssl x509 -inform PEM -text -in $ROOT_CRT -out /dev/null >> $ROOT_CRT_ID
openssl x509 -inform PEM -text -in $INT_CRT -out /dev/null >> $INT_CRT_ID

$ADB root
$ADB shell mount -o remount,rw /system
$ADB push $ROOT_CRT_ID /system/etc/security/cacerts/
$ADB push $INT_CRT /system/etc/security/cacerts/

rm $ROOT_CRT
rm $INT_CRT
rm $ROOT_CRT_ID
rm $INT_CRT_ID