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51fb0d6064
testsAndMisc/scripts/utils/update_android_hosts.sh
Krzysztof kuhy Rudnicki 51fb0d6064 Refactor: Extract common code to shared library 
Created scripts/lib/common.sh with shared functions:
- log_message(), log() - consistent logging with timestamps
- require_root() - root privilege checking with optional sudo re-exec
- get_actual_user(), get_actual_user_home() - handle SUDO_USER properly
- parse_interactive_args() - standard --interactive/-i and --help/-h handling
- notify() - cross-platform desktop notifications
- require_command(), ensure_dir() - common utility functions
- enable_service(), is_service_active() - systemd helpers

Refactored scripts to use common library:
- block_compulsive_opening.sh
- setup_pc_startup_monitor.sh
- setup_periodic_system.sh
- setup_thorium_startup.sh
- nvidia_troubleshoot.sh
- hosts/guard/setup_hosts_guard.sh
- hosts/guard/enforce-hosts.sh

Merged duplicate scripts:
- Created convert_video.sh (combined to_mp4.sh and to_webm.sh)
- Removed pdf_to_png.sh (was identical to pdf_to_image.sh)

Reduced duplication from 4.08% (48 clones) to 1.86% (26 clones)
2025-12-11 17:43:50 +01:00

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#!/bin/bash
set -euo pipefail
# Source common library
SCRIPT_DIR="$(dirname "$(readlink -f "$0")")"
# shellcheck source=../lib/common.sh
source "$SCRIPT_DIR/../lib/common.sh"
# Re-run with sudo if needed for reading /etc/hosts
if [[ $EUID -ne 0 ]] && [[ ! -r /etc/hosts ]]; then
exec sudo -E bash "$0" "$@"
fi
WORK_DIR="${HOME}/.cache/android-adblock"
ensure_dir "$WORK_DIR"
die() {
echo "[ERROR] $*" >&2
exit 1
}
log "Updating Android hosts file from Linux configuration..."
# Check device connection
if ! adb devices | grep -q "device$"; then
die "No device connected. Enable USB debugging and connect your phone."
fi
# Check root access
if ! adb shell "su -c 'echo test'" 2>/dev/null | grep -q "test"; then
die "Root access not available. Make sure Magisk is installed and grant root to Shell."
fi
# Use the StevenBlack cache or /etc/hosts
HOSTS_FILE="$WORK_DIR/hosts"
if [[ -f /etc/hosts.stevenblack ]]; then
log "Using StevenBlack hosts cache..."
cp /etc/hosts.stevenblack "$HOSTS_FILE"
elif [[ -f /etc/hosts ]]; then
log "Using /etc/hosts..."
cp /etc/hosts "$HOSTS_FILE"
else
die "No hosts file found"
fi
# Show stats
TOTAL_ENTRIES=$(grep -c "^0\.0\.0\.0 " "$HOSTS_FILE" || echo 0)
log "Hosts file contains $TOTAL_ENTRIES blocked domains"
# Push to device
log "Pushing hosts file to device..."
adb push "$HOSTS_FILE" /sdcard/hosts || die "Failed to push hosts file"
# Install systemlessly
log "Updating systemless hosts..."
adb shell "su -c 'mkdir -p /data/adb/modules/systemless_hosts/system/etc'" || die "Failed to create module directory"
adb shell "su -c 'cp /sdcard/hosts /data/adb/modules/systemless_hosts/system/etc/hosts'" || die "Failed to install hosts file"
adb shell "su -c 'chmod 644 /data/adb/modules/systemless_hosts/system/etc/hosts'" || die "Failed to set permissions"
adb shell "su -c 'rm /sdcard/hosts'"
echo "[$(date +'%Y-%m-%d %H:%M:%S%z')] ✓ Hosts file updated successfully"
# Append custom blocking entries
echo "[$(date +'%Y-%m-%d %H:%M:%S%z')] Adding custom blocking entries..."
adb shell "su -c 'cat >> /data/adb/modules/systemless_hosts/system/etc/hosts << \"CUSTOM_EOF\"
# Custom blocking entries
# YouTube
0.0.0.0 youtube.com
0.0.0.0 www.youtube.com
0.0.0.0 m.youtube.com
0.0.0.0 youtu.be
0.0.0.0 youtube-nocookie.com
0.0.0.0 www.youtube-nocookie.com
0.0.0.0 youtubei.googleapis.com
0.0.0.0 youtube.googleapis.com
0.0.0.0 yt3.ggpht.com
0.0.0.0 ytimg.com
0.0.0.0 i.ytimg.com
0.0.0.0 s.ytimg.com
0.0.0.0 i9.ytimg.com
0.0.0.0 googlevideo.com
0.0.0.0 r1---sn-4g5e6nls.googlevideo.com
0.0.0.0 r1---sn-4g5lne7s.googlevideo.com
# Steam Store
# Discord (selective blocking - media only, voice chat allowed)
0.0.0.0 cdn.discordapp.com
0.0.0.0 media.discordapp.net
0.0.0.0 images-ext-1.discordapp.net
0.0.0.0 images-ext-2.discordapp.net
0.0.0.0 attachments-1.discordapp.net
0.0.0.0 attachments-2.discordapp.net
0.0.0.0 tenor.com
0.0.0.0 giphy.com
# Food Delivery Services
# Polish services
0.0.0.0 pyszne.pl
0.0.0.0 www.pyszne.pl
0.0.0.0 m.pyszne.pl
0.0.0.0 glovo.com
0.0.0.0 www.glovo.com
0.0.0.0 m.glovo.com
0.0.0.0 bolt.eu
0.0.0.0 food.bolt.eu
0.0.0.0 woltwojta.pl
0.0.0.0 www.woltwojta.pl
0.0.0.0 wolt.com
0.0.0.0 www.wolt.com
0.0.0.0 m.wolt.com
# International services
0.0.0.0 ubereats.com
0.0.0.0 www.ubereats.com
0.0.0.0 m.ubereats.com
0.0.0.0 uber.com
0.0.0.0 www.uber.com
0.0.0.0 m.uber.com
0.0.0.0 deliveroo.com
0.0.0.0 www.deliveroo.com
0.0.0.0 m.deliveroo.com
0.0.0.0 deliveroo.co.uk
0.0.0.0 www.deliveroo.co.uk
0.0.0.0 foodpanda.com
0.0.0.0 www.foodpanda.com
0.0.0.0 m.foodpanda.com
0.0.0.0 grubhub.com
0.0.0.0 www.grubhub.com
0.0.0.0 m.grubhub.com
0.0.0.0 doordash.com
0.0.0.0 www.doordash.com
0.0.0.0 m.doordash.com
0.0.0.0 justeat.com
0.0.0.0 www.justeat.com
0.0.0.0 m.justeat.com
0.0.0.0 justeat.co.uk
0.0.0.0 www.justeat.co.uk
0.0.0.0 postmates.com
0.0.0.0 www.postmates.com
0.0.0.0 seamless.com
0.0.0.0 www.seamless.com
0.0.0.0 menulog.com.au
0.0.0.0 www.menulog.com.au
0.0.0.0 delivery.com
0.0.0.0 www.delivery.com
# Fast food chain apps and websites
0.0.0.0 mcdonalds.com
0.0.0.0 www.mcdonalds.com
0.0.0.0 m.mcdonalds.com
0.0.0.0 mcdonalds.pl
0.0.0.0 www.mcdonalds.pl
0.0.0.0 kfc.com
0.0.0.0 www.kfc.com
0.0.0.0 m.kfc.com
0.0.0.0 kfc.pl
0.0.0.0 www.kfc.pl
0.0.0.0 burgerking.com
0.0.0.0 www.burgerking.com
0.0.0.0 m.burgerking.com
0.0.0.0 burgerking.pl
0.0.0.0 www.burgerking.pl
0.0.0.0 pizzahut.com
0.0.0.0 www.pizzahut.com
0.0.0.0 m.pizzahut.com
0.0.0.0 pizzahut.pl
0.0.0.0 www.pizzahut.pl
0.0.0.0 dominos.com
0.0.0.0 www.dominos.com
0.0.0.0 m.dominos.com
0.0.0.0 dominos.pl
0.0.0.0 www.dominos.pl
0.0.0.0 subway.com
0.0.0.0 www.subway.com
0.0.0.0 m.subway.com
0.0.0.0 subway.pl
0.0.0.0 www.subway.pl
CUSTOM_EOF
'" || {
echo "[$(date +'%Y-%m-%d %H:%M:%S%z')] ✗ Failed to add custom entries"
exit 1
}
echo "[$(date +'%Y-%m-%d %H:%M:%S%z')] ✓ Custom entries added successfully"
# Count and display blocked domains
domain_count=$(adb shell "su -c 'cat /system/etc/hosts | grep -c \"^0.0.0.0\"'" 2>/dev/null | tr -d '\r')
if [[ -n $domain_count ]]; then
echo "[$(date +'%Y-%m-%d %H:%M:%S%z')] ✓ Total blocked domains: $domain_count"
fi
echo "[$(date +'%Y-%m-%d %H:%M:%S%z')] ✓ Changes will take effect immediately for new connections"
echo "[$(date +'%Y-%m-%d %H:%M:%S%z')] (Optional: Toggle airplane mode or reboot to force all apps to reconnect)"
log "✓ Total blocked domains: $TOTAL_ENTRIES"
log ""
log "Changes will take effect immediately for new connections."
log "To apply to all apps, reboot the device or toggle airplane mode."
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