Files
bee/iso/overlay/usr/local/bin/bee-update.sh
2026-03-06 14:45:50 +03:00

124 lines
3.5 KiB
Bash
Executable File

#!/bin/sh
# bee-update.sh — production update path: USB first, then network.
# Unattended: logs only, never blocks boot.
set -u
LOG_PREFIX="bee-update"
log() { echo "[$LOG_PREFIX] $*"; }
AUDIT_BIN="/usr/local/bin/audit"
TMP_BIN="/tmp/bee-audit-new"
TMP_SIG="/tmp/bee-audit-new.sig"
REPO_API="${BEE_RELEASE_API:-https://git.mchus.pro/api/v1/repos/<org>/bee/releases/latest}"
download_to() {
url="$1"
out="$2"
if command -v wget >/dev/null 2>&1; then
wget -q -O "$out" "$url"
return $?
fi
if command -v curl >/dev/null 2>&1; then
curl -fsSL "$url" -o "$out"
return $?
fi
log "neither wget nor curl available"
return 1
}
version_of() {
"$1" --version 2>/dev/null | head -n1 | tr -d '[:space:]'
}
apply_update() {
src_bin="$1"
src_sig="$2"
src_ver="$3"
if [ ! -x "$src_bin" ] || [ ! -f "$src_sig" ]; then
log "missing binary or signature"
return 1
fi
# NOTE: strict signature verification should be implemented in audit updater module.
# Here we keep shell side minimal and fail-open for now.
cp "$src_bin" "$AUDIT_BIN" || return 1
chmod +x "$AUDIT_BIN" || return 1
log "updated audit binary to $src_ver"
return 0
}
check_usb_update() {
for root in /media/* /mnt/* /tmp/bee-usb /run/media/*/*; do
[ -d "$root" ] || continue
base="$root/bee-update"
bin="$base/bee-audit-linux-amd64"
sig="$base/bee-audit-linux-amd64.sig"
ver_file="$base/VERSION"
[ -f "$bin" ] || continue
[ -f "$sig" ] || continue
[ -f "$ver_file" ] || continue
new_ver=$(cat "$ver_file" 2>/dev/null | tr -d '[:space:]')
cur_ver=$(version_of "$AUDIT_BIN")
[ -n "$new_ver" ] || continue
if [ "$new_ver" = "$cur_ver" ]; then
log "usb update found but version is same ($new_ver)"
return 0
fi
log "usb update candidate: $new_ver"
apply_update "$bin" "$sig" "$new_ver" && return 0
return 1
done
return 1
}
check_network_update() {
if ! ping -c 1 -W 3 git.mchus.pro >/dev/null 2>&1; then
log "network unavailable; skip release check"
return 1
fi
if ! command -v wget >/dev/null 2>&1 && ! command -v curl >/dev/null 2>&1; then
log "neither wget nor curl found; skip network update"
return 1
fi
if ! command -v jq >/dev/null 2>&1; then
log "jq not found; skip network update"
return 1
fi
meta="/tmp/bee-release-latest.json"
download_to "$REPO_API" "$meta" || { log "failed to fetch release metadata"; return 1; }
tag=$(jq -r '.tag_name // empty' "$meta")
[ -n "$tag" ] || { log "release metadata missing tag_name"; return 1; }
cur_ver=$(version_of "$AUDIT_BIN")
if [ "$tag" = "$cur_ver" ]; then
log "already latest ($tag)"
return 0
fi
bin_url=$(jq -r '.assets[]? | select(.name=="bee-audit-linux-amd64") | .browser_download_url // empty' "$meta")
sig_url=$(jq -r '.assets[]? | select(.name=="bee-audit-linux-amd64.sig") | .browser_download_url // empty' "$meta")
[ -n "$bin_url" ] && [ -n "$sig_url" ] || { log "missing release asset URLs"; return 1; }
download_to "$bin_url" "$TMP_BIN" || return 1
download_to "$sig_url" "$TMP_SIG" || return 1
chmod +x "$TMP_BIN"
log "network update candidate: $tag"
apply_update "$TMP_BIN" "$TMP_SIG" "$tag"
}
main() {
if check_usb_update; then
exit 0
fi
check_network_update || true
}
main "$@"