122 lines
5.7 KiB
Bash
Executable file
122 lines
5.7 KiB
Bash
Executable file
#!/usr/bin/env bash
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# toggle_apple_updates.sh
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# Toggles Apple OTA update domains in /etc/hosts between blocked and unblocked.
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HOSTS_FILE="/etc/hosts"
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APPLE_DOMAINS=(
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"swscan.apple.com"
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"swdownload.apple.com"
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"swcdn.apple.com"
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"swdist.apple.com"
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"appldnld.apple.com"
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"mesu.apple.com"
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"gdmf.apple.com"
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)
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BLOCK_IP="0.0.0.0"
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SECTION_COMMENT="# Block OTA"
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# ── Colours ──────────────────────────────────────────────────────────────────
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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CYAN='\033[0;36m'
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BOLD='\033[1m'
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RESET='\033[0m'
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# ── Banner ────────────────────────────────────────────────────────────────────
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echo ""
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echo -e "${BOLD}+----------------------------------------------+${RESET}"
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echo -e "${BOLD}| Apple OTA Update Toggle Utility |${RESET}"
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echo -e "${BOLD}+----------------------------------------------+${RESET}"
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echo ""
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# ── Root warning ──────────────────────────────────────────────────────────────
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echo -e "${YELLOW}⚠ WARNING: This script modifies ${HOSTS_FILE}.${RESET}"
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echo -e "${YELLOW} Root (administrator) privileges are required.${RESET}"
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echo ""
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# ── Authenticate via sudo ─────────────────────────────────────────────────────
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echo -e "${CYAN}Please enter your password to continue:${RESET}"
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sudo -v 2>/dev/null
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if [[ $? -ne 0 ]]; then
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echo -e "${RED}✖ Authentication failed or was cancelled. Exiting.${RESET}"
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exit 1
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fi
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echo ""
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# ── Detect current state ──────────────────────────────────────────────────────
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# Check if the first domain is currently blocked (present and uncommented)
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FIRST_DOMAIN="${APPLE_DOMAINS[0]}"
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if sudo grep -qE "^${BLOCK_IP}[[:space:]]+${FIRST_DOMAIN}" "${HOSTS_FILE}"; then
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CURRENT_STATE="blocked"
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else
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CURRENT_STATE="unblocked"
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fi
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CURRENT_STATE_UPPER=$(echo "${CURRENT_STATE}" | tr '[:lower:]' '[:upper:]')
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echo -e " Current state: ${BOLD}Apple updates are ${CURRENT_STATE_UPPER}${RESET}"
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echo ""
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# ── Toggle ────────────────────────────────────────────────────────────────────
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if [[ "${CURRENT_STATE}" == "blocked" ]]; then
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# ── UNBLOCK: comment out the block section ────────────────────────────────
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echo -e "${CYAN}→ Unblocking Apple update domains...${RESET}"
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# Comment out the section header and each domain line
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sudo sed -i '.bak' "s|^${SECTION_COMMENT}$|#${SECTION_COMMENT}|g" "${HOSTS_FILE}"
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for domain in "${APPLE_DOMAINS[@]}"; do
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sudo sed -i '.bak' "s|^${BLOCK_IP}[[:space:]][[:space:]]*${domain}|# ${BLOCK_IP} ${domain}|g" "${HOSTS_FILE}"
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done
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NEW_STATE="UNBLOCKED"
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STATE_COLOR="${GREEN}"
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STATE_MSG="Apple software updates are now ${GREEN}${BOLD}ENABLED${RESET}."
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STATE_DETAIL="Your Mac can reach Apple's update servers normally."
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else
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# ── BLOCK: uncomment or add the block section ─────────────────────────────
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echo -e "${CYAN}→ Blocking Apple update domains...${RESET}"
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# Uncomment lines that were previously commented out by this script
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sudo sed -i '.bak' "s|^#${SECTION_COMMENT}$|${SECTION_COMMENT}|g" "${HOSTS_FILE}"
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for domain in "${APPLE_DOMAINS[@]}"; do
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# If the commented-out version exists, uncomment it
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if sudo grep -qE "^#[[:space:]]*${BLOCK_IP}[[:space:]]+${domain}" "${HOSTS_FILE}"; then
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sudo sed -i '.bak' "s|^#[[:space:]]*${BLOCK_IP}[[:space:]][[:space:]]*${domain}|${BLOCK_IP} ${domain}|g" "${HOSTS_FILE}"
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# If the domain isn't present at all, append the block section
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elif ! sudo grep -qE "${domain}" "${HOSTS_FILE}"; then
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# Append section header if it doesn't exist
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if ! sudo grep -q "^${SECTION_COMMENT}$" "${HOSTS_FILE}"; then
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echo "" | sudo tee -a "${HOSTS_FILE}" > /dev/null
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echo "${SECTION_COMMENT}" | sudo tee -a "${HOSTS_FILE}" > /dev/null
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fi
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echo "${BLOCK_IP} ${domain}" | sudo tee -a "${HOSTS_FILE}" > /dev/null
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fi
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done
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NEW_STATE="BLOCKED"
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STATE_COLOR="${RED}"
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STATE_MSG="Apple software updates are now ${RED}${BOLD}BLOCKED${RESET}."
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STATE_DETAIL="Your Mac cannot reach Apple's update servers."
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fi
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# ── Result ────────────────────────────────────────────────────────────────────
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echo ""
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echo -e "${BOLD}+----------------------------------------------+${RESET}"
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printf "${BOLD}|${RESET} New state: ${STATE_COLOR}%-33s${RESET}${BOLD}|${RESET}\n" "${NEW_STATE}"
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echo -e "${BOLD}+----------------------------------------------+${RESET}"
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echo ""
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echo -e " ${STATE_MSG}"
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echo -e " ${STATE_DETAIL}"
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echo ""
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echo -e " Domains affected:"
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for domain in "${APPLE_DOMAINS[@]}"; do
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echo -e " ${STATE_COLOR}•${RESET} ${domain}"
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done
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echo ""
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echo -e " A backup of your previous hosts file was saved as:"
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echo -e " ${BOLD}${HOSTS_FILE}.bak${RESET}"
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echo ""
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