res/util: move resdl funcs and make shell scripts
parent
6381625b8a
commit
de845739ec
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# Functions for use by resdl updater
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# Extract maps jar from release zip
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unzipmaps() {
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mapsfile="system/framework/com.google.android.maps";
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[ -f "$resdldir/$mapsfile.zip" ] || return 0;
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echo " ";
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echo " - Unzipping maps JAR...";
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rm -rf "$resdldir/$mapsfile.jar";
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unzip -oq -j "$resdldir/$mapsfile.zip" "$mapsfile.jar" -d "$resdldir/$(dirname "$mapsfile")/";
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rm -rf "$resdldir/$mapsfile.zip";
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}
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# Get update delta
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updatedelta() {
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newlog=""
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oldlogs=""
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for log in $(ls -td "$reldir"/update-*.log); do
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[ "$(basename "$log")" = "update-$updatetime.log" ] && newlog="$(basename "$log")" || oldlogs="$oldlogs $(basename "$log")";
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done;
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[ "$newlog" ] && [ "$oldlogs" ] || return 0;
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echo " ";
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echo " - Checking resdl delta between updates...";
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for entry in $(grep -oE "FILE: [^,;]*" "$reldir/$newlog" | cut -d" " -f2); do
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line="$(grep "FILE: $entry," "$reldir/$newlog")";
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file="$entry";
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url="$(echo "$line" | grep -oE "URL: [^,;]*" | cut -d" " -f2)";
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oldurl="";
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for log in $oldlogs; do
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oldurl="$(grep "FILE: $file," "$reldir/$log" | grep -oE "URL: [^,;]*" | cut -d" " -f2)";
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[ "$oldurl" ] && break;
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done;
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[ "$oldurl" ] || oldurl="None";
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[ "$url" = "$oldurl" ] && continue;
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echo " -- Updated file: $file"
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echo " ++ Old URL: $oldurl"
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echo " ++ New URL: $url"
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echo " ++ Old name: $(basename "$oldurl")"
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echo " ++ New name: $(basename "$url")"
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done;
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}
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# Verify signatures of JARs and APKs
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verifycerts() {
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[ "$stuff_repo" ] || echo "$stuff_download" | grep -qE "^[ ]*[^ ]+.apk[ ]+" || return 0;
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[ "$(which jarsigner)" ] && [ "$(which openssl)" ] || {
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echo " ";
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echo " !! Not checking certificates (missing jarsigner or openssl)";
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return 0;
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}
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certdir="$resdldir/util/certs";
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echo " ";
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echo " - Checking certs for repos...";
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for repo in $(echo "$stuff_repo" | select_word 1); do
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[ -f "$tmpdir/repos/$repo.jar" ] || continue;
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certobject="repo/$repo.cer";
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unzip -l "$tmpdir/repos/$repo.jar" "META-INF/*" | grep -q "META-INF/.*.RSA" && jarsigner -verify "$tmpdir/repos/$repo.jar" > /dev/null || {
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echo " !! Verification failed for repo ($repo)";
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continue;
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}
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[ -f "$certdir/$certobject" ] || {
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echo " -- Adding cert for new repo ($repo)";
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mkdir -p "$certdir/$(dirname "$certobject")";
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unzip -p "$tmpdir/repos/$repo.jar" "META-INF/*.RSA" | openssl pkcs7 -inform der -print_certs > "$certdir/$certobject";
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continue;
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}
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unzip -p "$tmpdir/repos/$repo.jar" "META-INF/*.RSA" | openssl pkcs7 -inform der -print_certs > "$tmpdir/tmp.cer";
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[ "$(diff -w "$tmpdir/tmp.cer" "$certdir/$certobject")" ] && {
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echo " !! Cert mismatch for repo ($repo)";
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cp -f "$tmpdir/tmp.cer" "$certdir/$certobject.new";
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}
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done;
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echo " ";
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echo " - Checking certs for APKs...";
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for object in $(echo "$stuff_download" | grep -E "^[ ]*[^ ]+.apk[ ]+" | select_word 1); do
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[ -f "$resdldir/$object" ] || continue;
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certobject="$(dirname "$object")/$(basename "$object" .apk).cer";
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unzip -l "$resdldir/$object" "META-INF/*" | grep -q "META-INF/.*.RSA" && jarsigner -verify "$resdldir/$object" > /dev/null || {
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echo " !! Verification failed for APK ($object)";
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continue;
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}
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[ -f "$certdir/$certobject" ] || {
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echo " -- Adding cert for new APK ($object)";
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mkdir -p "$certdir/$(dirname "$certobject")";
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unzip -p "$resdldir/$object" "META-INF/*.RSA" | openssl pkcs7 -inform der -print_certs > "$certdir/$certobject";
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continue;
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}
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unzip -p "$resdldir/$object" "META-INF/*.RSA" | openssl pkcs7 -inform der -print_certs > "$tmpdir/tmp.cer";
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[ "$(diff -w "$tmpdir/tmp.cer" "$certdir/$certobject")" ] && {
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echo " !! Cert mismatch for APK ($object)";
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cp -f "$tmpdir/tmp.cer" "$certdir/$certobject.new";
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}
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done;
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}
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# Check for needed priv-perm whitelists
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checkwhitelist() {
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echo "$stuff_download" | grep -qE "^[ ]*/system/priv-app/[^ ]+.apk[ ]+" || return 0;
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[ "$(which aapt)" ] || {
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echo " ";
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echo " !! Not checking privperms (missing aapt)";
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return 0;
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}
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privpermlist="util/privperms.lst";
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privpermurl="https://developer.android.com/reference/android/Manifest.permission";
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echo " ";
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echo " - Getting priv-app permissions...";
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curl -L "$privpermurl" -o "$tmpdir/tmppage" || { echo "ERROR: Android permission docpage failed to download"; return 1; }
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lines="$(grep -nE "<!-- [=]* [A-Z ]* [=]* -->" "$tmpdir/tmppage" | grep -A1 "ENUM CONSTANTS DETAIL" | sed "s|:| |g" | select_word 1)";
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for line in $lines; do
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[ "$startline" ] && endline="$line" || startline="$line";
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done;
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cat "$tmpdir/tmppage" | head -n"$endline" | tail -n+"$startline" | tr -d "\n" | sed "s|<div data|\n|g" | grep -E -e "Protection level: [a-z|]*privileged" -e "Not for use by third-party applications" | grep -oE "android.permission.[A-Z_]*" > "$tmpdir/tmplist";
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echo "android.permission.FAKE_PACKAGE_SIGNATURE" >> "$tmpdir/tmplist";
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cat "$resdldir/$privpermlist" "$tmpdir/tmplist" 2>/dev/null | sort -u > "$tmpdir/sortedlist";
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mkdir -p "$resdldir/$(dirname "$privpermlist")"
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mv -f "$tmpdir/sortedlist" "$resdldir/$privpermlist";
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echo " ";
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echo " - Checking priv-app permissions...";
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for object in $(echo "$stuff_download" | grep -E "^[ ]*/system/priv-app/[^ ]+.apk[ ]+" | select_word 1); do
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[ -f "$resdldir/$object" ] || { echo "ERROR: Privapp $object not found"; continue; }
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privperms="";
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privapppackage="$(aapt dump badging "$resdldir/$object" | grep -oE "package: name=[^ ]*" | sed "s|'| |g" | select_word 3)"
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privappperms="$(aapt dump permissions "$resdldir/$object" | grep -oE "uses-permission: name=[^ ]*" | sed "s|'| |g" | select_word 3 | sort -u)";
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for privperm in in $privappperms; do
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grep -q "^$privperm$" "$resdldir/$privpermlist" || continue;
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grep -q "name=\"$privperm\"" "$resdir/system/etc/permissions/$privapppackage.xml" 2>/dev/null && continue;
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privperms="$privperm $privperms";
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done;
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[ "$privperms" ] || continue;
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echo " ";
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echo " -- File: $object";
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echo " -- Package: $privapppackage";
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for permentry in $privperms; do
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echo " ++ Needs whitelisting perm $permentry";
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done;
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done;
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}
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