Secure remote daemon distribution and relay auth

This commit is contained in:
Lawrence Chen 2026-03-12 05:04:44 -07:00
parent 76cfe01fa2
commit 8a9e28e129
12 changed files with 1419 additions and 117 deletions

View file

@ -0,0 +1,140 @@
#!/usr/bin/env bash
set -euo pipefail
usage() {
cat <<'EOF'
Usage: scripts/build_remote_daemon_release_assets.sh \
--version <app-version> \
--release-tag <tag> \
--repo <owner/repo> \
--output-dir <dir>
Builds cmuxd-remote release assets for the supported remote platforms and emits:
cmuxd-remote-<goos>-<goarch>
cmuxd-remote-checksums.txt
cmuxd-remote-manifest.json
EOF
}
VERSION=""
RELEASE_TAG=""
REPO=""
OUTPUT_DIR=""
while [[ $# -gt 0 ]]; do
case "$1" in
--version)
VERSION="${2:-}"
shift 2
;;
--release-tag)
RELEASE_TAG="${2:-}"
shift 2
;;
--repo)
REPO="${2:-}"
shift 2
;;
--output-dir)
OUTPUT_DIR="${2:-}"
shift 2
;;
-h|--help)
usage
exit 0
;;
*)
echo "error: unknown option $1" >&2
usage
exit 1
;;
esac
done
if [[ -z "$VERSION" || -z "$RELEASE_TAG" || -z "$REPO" || -z "$OUTPUT_DIR" ]]; then
echo "error: --version, --release-tag, --repo, and --output-dir are required" >&2
usage
exit 1
fi
if ! command -v go >/dev/null 2>&1; then
echo "error: go is required to build cmuxd-remote release assets" >&2
exit 1
fi
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
REPO_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
DAEMON_ROOT="${REPO_ROOT}/daemon/remote"
mkdir -p "$OUTPUT_DIR"
rm -f "$OUTPUT_DIR"/cmuxd-remote-* "$OUTPUT_DIR"/cmuxd-remote-checksums.txt "$OUTPUT_DIR"/cmuxd-remote-manifest.json
RELEASE_URL="https://github.com/${REPO}/releases/download/${RELEASE_TAG}"
CHECKSUMS_ASSET_NAME="cmuxd-remote-checksums.txt"
CHECKSUMS_PATH="${OUTPUT_DIR}/${CHECKSUMS_ASSET_NAME}"
MANIFEST_PATH="${OUTPUT_DIR}/cmuxd-remote-manifest.json"
TARGETS=(
"darwin arm64"
"darwin amd64"
"linux arm64"
"linux amd64"
)
declare -a manifest_entries=()
: > "$CHECKSUMS_PATH"
for target in "${TARGETS[@]}"; do
read -r GOOS GOARCH <<<"$target"
ASSET_NAME="cmuxd-remote-${GOOS}-${GOARCH}"
OUTPUT_PATH="${OUTPUT_DIR}/${ASSET_NAME}"
(
cd "$DAEMON_ROOT"
GOOS="$GOOS" \
GOARCH="$GOARCH" \
CGO_ENABLED=0 \
go build -trimpath -ldflags "-s -w -X main.version=${VERSION}" \
-o "$OUTPUT_PATH" \
./cmd/cmuxd-remote
)
chmod 755 "$OUTPUT_PATH"
SHA256="$(shasum -a 256 "$OUTPUT_PATH" | awk '{print $1}')"
printf '%s %s\n' "$SHA256" "$ASSET_NAME" >> "$CHECKSUMS_PATH"
manifest_entries+=("{\"goOS\":\"${GOOS}\",\"goArch\":\"${GOARCH}\",\"assetName\":\"${ASSET_NAME}\",\"downloadURL\":\"${RELEASE_URL}/${ASSET_NAME}\",\"sha256\":\"${SHA256}\"}")
done
ENTRIES_FILE="$(mktemp "${TMPDIR:-/tmp}/cmuxd-remote-entries.XXXXXX")"
trap 'rm -f "$ENTRIES_FILE"' EXIT
printf '%s\n' "${manifest_entries[@]}" > "$ENTRIES_FILE"
ENTRIES_JSON="$(python3 - <<'PY' "$ENTRIES_FILE"
import json
import sys
from pathlib import Path
entries = [json.loads(line) for line in Path(sys.argv[1]).read_text(encoding="utf-8").splitlines() if line.strip()]
print(json.dumps(entries, separators=(",", ":")))
PY
)"
python3 - <<'PY' "$VERSION" "$RELEASE_TAG" "$RELEASE_URL" "$CHECKSUMS_ASSET_NAME" "$CHECKSUMS_PATH" "$MANIFEST_PATH" "$ENTRIES_JSON"
import json
import sys
from pathlib import Path
version, release_tag, release_url, checksums_asset_name, checksums_path, manifest_path, entries_json = sys.argv[1:]
checksums_url = f"{release_url}/{checksums_asset_name}"
manifest = {
"schemaVersion": 1,
"appVersion": version,
"releaseTag": release_tag,
"releaseURL": release_url,
"checksumsAssetName": checksums_asset_name,
"checksumsURL": checksums_url,
"entries": json.loads(entries_json),
}
Path(manifest_path).write_text(json.dumps(manifest, indent=2, sort_keys=True) + "\n", encoding="utf-8")
PY
echo "Built cmuxd-remote assets in ${OUTPUT_DIR}"

View file

@ -1,6 +1,15 @@
"use strict";
const IMMUTABLE_RELEASE_ASSETS = ["cmux-macos.dmg", "appcast.xml"];
const IMMUTABLE_RELEASE_ASSETS = [
"cmux-macos.dmg",
"appcast.xml",
"cmuxd-remote-darwin-arm64",
"cmuxd-remote-darwin-amd64",
"cmuxd-remote-linux-arm64",
"cmuxd-remote-linux-amd64",
"cmuxd-remote-checksums.txt",
"cmuxd-remote-manifest.json",
];
const RELEASE_ASSET_GUARD_STATE = Object.freeze({
CLEAR: "clear",
PARTIAL: "partial",

View file

@ -358,6 +358,10 @@ if [[ -n "$TAG" && "$APP_NAME" != "$SEARCH_APP_NAME" ]]; then
|| /usr/libexec/PlistBuddy -c "Add :LSEnvironment:CMUX_SOCKET_PATH string \"${CMUX_SOCKET}\"" "$INFO_PLIST"
/usr/libexec/PlistBuddy -c "Set :LSEnvironment:CMUX_DEBUG_LOG \"${CMUX_DEBUG_LOG}\"" "$INFO_PLIST" 2>/dev/null \
|| /usr/libexec/PlistBuddy -c "Add :LSEnvironment:CMUX_DEBUG_LOG string \"${CMUX_DEBUG_LOG}\"" "$INFO_PLIST"
/usr/libexec/PlistBuddy -c "Set :LSEnvironment:CMUX_REMOTE_DAEMON_ALLOW_LOCAL_BUILD 1" "$INFO_PLIST" 2>/dev/null \
|| /usr/libexec/PlistBuddy -c "Add :LSEnvironment:CMUX_REMOTE_DAEMON_ALLOW_LOCAL_BUILD string 1" "$INFO_PLIST"
/usr/libexec/PlistBuddy -c "Set :LSEnvironment:CMUXTERM_REPO_ROOT \"${PWD}\"" "$INFO_PLIST" 2>/dev/null \
|| /usr/libexec/PlistBuddy -c "Add :LSEnvironment:CMUXTERM_REPO_ROOT string \"${PWD}\"" "$INFO_PLIST"
if [[ -S "$CMUXD_SOCKET" ]]; then
for PID in $(lsof -t "$CMUXD_SOCKET" 2>/dev/null); do
kill "$PID" 2>/dev/null || true
@ -441,9 +445,9 @@ OPEN_CLEAN_ENV=(
if [[ -n "${TAG_SLUG:-}" && -n "${CMUX_SOCKET:-}" ]]; then
# Ensure tag-specific socket paths win even if the caller has CMUX_* overrides.
"${OPEN_CLEAN_ENV[@]}" CMUX_TAG="$TAG_SLUG" CMUX_SOCKET_PATH="$CMUX_SOCKET" CMUXD_UNIX_PATH="$CMUXD_SOCKET" CMUX_DEBUG_LOG="$CMUX_DEBUG_LOG" open -g "$APP_PATH"
"${OPEN_CLEAN_ENV[@]}" CMUX_TAG="$TAG_SLUG" CMUX_SOCKET_PATH="$CMUX_SOCKET" CMUXD_UNIX_PATH="$CMUXD_SOCKET" CMUX_DEBUG_LOG="$CMUX_DEBUG_LOG" CMUX_REMOTE_DAEMON_ALLOW_LOCAL_BUILD=1 CMUXTERM_REPO_ROOT="$PWD" open -g "$APP_PATH"
elif [[ -n "${TAG_SLUG:-}" ]]; then
"${OPEN_CLEAN_ENV[@]}" CMUX_TAG="$TAG_SLUG" CMUX_DEBUG_LOG="$CMUX_DEBUG_LOG" open -g "$APP_PATH"
"${OPEN_CLEAN_ENV[@]}" CMUX_TAG="$TAG_SLUG" CMUX_DEBUG_LOG="$CMUX_DEBUG_LOG" CMUX_REMOTE_DAEMON_ALLOW_LOCAL_BUILD=1 CMUXTERM_REPO_ROOT="$PWD" open -g "$APP_PATH"
else
echo "/tmp/cmux-debug.sock" > /tmp/cmux-last-socket-path || true
echo "/tmp/cmux-debug.log" > /tmp/cmux-last-debug-log-path || true