mirror of
https://github.com/openlibrecommunity/olcrtc.git
synced 2026-05-26 23:19:47 +00:00
80 lines
1.7 KiB
Bash
80 lines
1.7 KiB
Bash
#!/bin/sh
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set -eu
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die() {
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echo "olcrtc-entrypoint: $*" >&2
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exit 1
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}
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bool_flag() {
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case "${1:-}" in
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1|true|TRUE|yes|YES|on|ON) return 0 ;;
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*) return 1 ;;
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esac
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}
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make_key() {
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if command -v od >/dev/null 2>&1; then
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od -An -N32 -tx1 /dev/urandom | tr -d ' \n'
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else
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hexdump -n 32 -e '32/1 "%02x"' /dev/urandom
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fi
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}
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if [ "${1:-}" = "olcrtc" ]; then
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shift
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fi
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if [ "$#" -gt 0 ]; then
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exec /usr/local/bin/olcrtc "$@"
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fi
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mode="${OLCRTC_MODE:-srv}"
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room_id="${OLCRTC_ROOM_ID:-${ROOM_ID:-}}"
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provider="${OLCRTC_PROVIDER:-telemost}"
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data_dir="${OLCRTC_DATA_DIR:-/usr/share/olcrtc}"
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dns_server="${OLCRTC_DNS:-1.1.1.1:53}"
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key="${OLCRTC_KEY:-${KEY:-}}"
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key_file="${OLCRTC_KEY_FILE:-/var/lib/olcrtc/key.hex}"
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[ "$mode" = "srv" ] || die "server image defaults to OLCRTC_MODE=srv; got '$mode'"
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[ -n "$room_id" ] || die "set OLCRTC_ROOM_ID to the Telemost room id"
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if [ -z "$key" ]; then
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if [ -s "$key_file" ]; then
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key="$(tr -d '[:space:]' < "$key_file")"
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else
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key="$(make_key)"
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umask 077
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printf '%s\n' "$key" > "$key_file"
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echo "olcrtc-entrypoint: generated encryption key and saved it to $key_file" >&2
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echo "olcrtc-entrypoint: OLCRTC_KEY=$key" >&2
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fi
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fi
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case "$key" in
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*[!0-9a-fA-F]*)
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die "OLCRTC_KEY must be a 64-character hex string"
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;;
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esac
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[ "${#key}" -eq 64 ] || die "OLCRTC_KEY must be 64 hex characters"
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set -- /usr/local/bin/olcrtc \
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-mode "$mode" \
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-provider "$provider" \
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-id "$room_id" \
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-key "$key" \
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-data "$data_dir" \
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-dns "$dns_server"
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if bool_flag "${OLCRTC_DUO:-}"; then
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set -- "$@" -duo
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fi
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if bool_flag "${OLCRTC_DEBUG:-}"; then
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set -- "$@" -debug
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fi
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exec "$@"
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