667 lines
20 KiB
Plaintext
667 lines
20 KiB
Plaintext
/* BARE_OS_BIN_API 1.0.0 — bump when staged /bin script semantics change (see developer guide). */
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/** Shared helpers for drive-resident /bin scripts (prepended before each command). */
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function bareStdin(ctx) {
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return typeof ctx.shellStdin === 'string' ? ctx.shellStdin : ''
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}
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/** @param {number} mode @param {'file' | 'directory' | 'symlink'} type */
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function bareFormatModeString(mode, type) {
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const typeChar = type === 'directory' ? 'd' : type === 'symlink' ? 'l' : '-'
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const perm = mode & 0o777
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const r = (bit) => (perm & bit ? 'r' : '-')
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const w = (bit) => (perm & bit ? 'w' : '-')
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const x = (bit) => (perm & bit ? 'x' : '-')
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return (
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typeChar +
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r(0o400) +
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w(0o200) +
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x(0o100) +
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r(0o040) +
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w(0o020) +
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x(0o010) +
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r(0o004) +
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w(0o002) +
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x(0o001)
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)
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}
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/** @param {number} mtimeMs @param {number} [nowMs] */
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function bareFormatLsMtime(mtimeMs, nowMs) {
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const now = nowMs != null ? nowMs : Date.now()
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const d = new Date(mtimeMs)
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const months = [
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'Jan',
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'Feb',
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'Mar',
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'Apr',
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'May',
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'Jun',
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'Jul',
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'Aug',
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'Sep',
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'Oct',
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'Nov',
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'Dec'
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]
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const mon = months[d.getMonth()]
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const day = String(d.getDate()).padStart(2, ' ')
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const sixMo = 180 * 24 * 3600 * 1000
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if (Math.abs(now - mtimeMs) > sixMo) {
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const yr = String(d.getFullYear()).padStart(4, ' ')
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return mon + ' ' + day + ' ' + yr
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}
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const hh = String(d.getHours()).padStart(2, '0')
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const mm = String(d.getMinutes()).padStart(2, '0')
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return mon + ' ' + day + ' ' + hh + ':' + mm
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}
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/** @param {number} size */
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function barePosixBlocks(size) {
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return Math.ceil(Number(size) / 512) || 0
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}
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/**
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* Raw stdout for NUL/binary when **`process.stdout.write`** is missing.
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* If **`ctx.bareOsBinWrite(Uint8Array|string)`** is set (tests / host), use it.
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* @param {Record<string, unknown>} ctx
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* @param {string | Uint8Array} chunk
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* @returns {boolean}
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*/
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function bareOsEmitRaw(ctx, chunk) {
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if (typeof ctx.bareOsBinWrite === 'function') {
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const b4 = ctx.b4a
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const u8 =
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typeof chunk === 'string'
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? b4 && typeof b4.from === 'function'
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? b4.from(chunk)
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: new TextEncoder().encode(chunk)
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: chunk
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ctx.bareOsBinWrite(u8 instanceof Uint8Array ? u8 : new Uint8Array(u8))
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return true
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}
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const w = globalThis.process?.stdout?.write
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if (typeof w === 'function') {
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w.call(globalThis.process.stdout, chunk)
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return true
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}
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return false
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}
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/** Session env map (`vfs.env`, then `ctx.env`). Never throws. */
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function bareOsEnv(ctx) {
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const v = ctx && ctx.vfs && ctx.vfs.env
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if (v && typeof v === 'object') return v
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const e = ctx && ctx.env
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if (e && typeof e === 'object') return e
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return {}
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}
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/**
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* Strict POSIX-ish decimal integer (no octal, no exponent, no empty).
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* @param {unknown} s
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* @returns {number}
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*/
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function bareOsParseDecInt(s) {
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const t = String(s == null ? '' : s).trim()
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if (!/^[+-]?(?:0|[1-9][0-9]*)$/.test(t)) return NaN
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const n = Number.parseInt(t, 10)
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return Number.isSafeInteger(n) ? n : NaN
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}
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/** @param {unknown} s */
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function bareOsParseNonNegInt(s) {
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const n = bareOsParseDecInt(s)
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return n >= 0 ? n : NaN
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}
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/**
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* @param {Record<string, unknown>} ctx
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* @param {string} name
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* @param {number} fallback
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* @param {number} [min]
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* @param {number} [max]
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*/
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function bareOsEnvInt(ctx, name, fallback, min, max) {
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const raw = bareOsEnv(ctx)[name]
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if (raw == null || raw === '') return fallback
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const n = Number.parseInt(String(raw), 10)
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if (!Number.isFinite(n)) return fallback
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let v = n
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if (min != null && v < min) v = min
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if (max != null && v > max) v = max
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return v
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}
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/**
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* @param {Record<string, unknown>} ctx
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* @param {string} msg
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* @param {number} [code]
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*/
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function bareOsFail(ctx, msg, code) {
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if (msg) ctx.console.error(msg)
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ctx.exitCode = code == null ? 1 : code
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}
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/** @param {unknown} e */
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function bareOsIsNotFoundErr(e) {
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const code = e && typeof e === 'object' ? e.code : ''
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if (code === 'ENOENT') return true
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const msg = String((e && e.message) || e || '')
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return /ENOENT|No such file|not found/i.test(msg)
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}
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/**
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* @param {Record<string, unknown>} ctx
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* @param {unknown} buf
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* @returns {Uint8Array}
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*/
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function bareOsToU8(ctx, buf) {
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if (!buf) return new Uint8Array(0)
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if (buf instanceof Uint8Array) return buf
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if (ctx && ctx.b4a && typeof ctx.b4a.from === 'function') return ctx.b4a.from(buf)
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return new Uint8Array(buf)
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}
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/** @param {string} dir @param {string} name */
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function bareOsJoinPath(dir, name) {
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const d = String(dir || '').replace(/\/+$/, '')
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const n = String(name || '').replace(/^\/+/, '')
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if (!d || d === '/') return '/' + n
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return d + '/' + n
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}
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/** @param {string} p */
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function bareOsBaseName(p) {
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const t = String(p || '').replace(/\/+$/, '')
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if (!t || t === '/') return t === '/' ? '/' : ''
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const i = t.lastIndexOf('/')
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return i < 0 ? t : t.slice(i + 1) || t
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}
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/** @param {string} p */
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function bareOsParentDir(p) {
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const t = String(p || '').replace(/\/+$/, '') || '/'
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if (t === '/') return '/'
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const i = t.lastIndexOf('/')
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return i <= 0 ? '/' : t.slice(0, i) || '/'
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}
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/** @param {string} p */
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function bareOsNormPath(p) {
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return String(p || '').replace(/\/+$/, '') || '/'
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}
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/**
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* @param {Record<string, unknown>} ctx
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* @param {string} p
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*/
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function bareOsResolvePath(ctx, p) {
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if (ctx && ctx.vfs && typeof ctx.vfs.resolveLogical === 'function') {
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try {
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return String(ctx.vfs.resolveLogical(p) || p)
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} catch {
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/* fall through */
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}
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}
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return String(p || '')
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}
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/**
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* True when dest is src or lives under src (self-copy / self-move).
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* @param {Record<string, unknown>} ctx
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* @param {string} src
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* @param {string} dest
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*/
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function bareOsDestInsideSrc(ctx, src, dest) {
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const s = bareOsNormPath(bareOsResolvePath(ctx, src))
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const d = bareOsNormPath(bareOsResolvePath(ctx, dest))
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if (s === d) return true
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if (s === '/') return d !== '/'
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return d === s || d.startsWith(s + '/')
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}
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const BARE_OS_B64_ALPH =
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'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
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/** @param {Uint8Array} u8 */
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function bareOsB64Encode(u8) {
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let out = ''
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let i = 0
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for (; i + 2 < u8.length; i += 3) {
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const n = (u8[i] << 16) | (u8[i + 1] << 8) | u8[i + 2]
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out +=
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BARE_OS_B64_ALPH[(n >> 18) & 63] +
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BARE_OS_B64_ALPH[(n >> 12) & 63] +
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BARE_OS_B64_ALPH[(n >> 6) & 63] +
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BARE_OS_B64_ALPH[n & 63]
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}
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const rest = u8.length - i
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if (rest === 1) {
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const n = u8[i] << 16
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out += BARE_OS_B64_ALPH[(n >> 18) & 63] + BARE_OS_B64_ALPH[(n >> 12) & 63] + '=='
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} else if (rest === 2) {
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const n = (u8[i] << 16) | (u8[i + 1] << 8)
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out +=
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BARE_OS_B64_ALPH[(n >> 18) & 63] +
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BARE_OS_B64_ALPH[(n >> 12) & 63] +
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BARE_OS_B64_ALPH[(n >> 6) & 63] +
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'='
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}
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return out
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}
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/**
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* RFC 4648 Base64 decode (also accepts URL-safe alphabet). Rejects junk.
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* @param {string} s
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* @returns {Uint8Array}
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*/
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function bareOsB64Decode(s) {
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const t = String(s).replace(/\s+/g, '')
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if (!t) return new Uint8Array(0)
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if (t.length % 4 === 1) throw new Error('invalid base64 length')
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let pad = 0
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if (t.endsWith('==')) pad = 2
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else if (t.endsWith('=')) pad = 1
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const body = pad ? t.slice(0, t.length - pad) : t
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const bytes = []
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let buf = 0
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let bits = 0
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for (let i = 0; i < body.length; i++) {
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const c = body[i]
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let v = BARE_OS_B64_ALPH.indexOf(c)
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if (v < 0) {
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if (c === '-') v = 62
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else if (c === '_') v = 63
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else throw new Error('invalid base64 character')
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}
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buf = (buf << 6) | v
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bits += 6
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if (bits >= 8) {
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bits -= 8
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bytes.push((buf >> bits) & 255)
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}
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}
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if (pad) {
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const want = Math.floor((body.length * 6) / 8)
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if (bytes.length > want) bytes.length = want
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}
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return new Uint8Array(bytes)
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}
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/**
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* @param {string} s
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* @returns {Uint8Array}
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*/
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function bareOsHexDecode(s) {
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const t = String(s).replace(/\s+/g, '')
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if (t.length % 2 !== 0) throw new Error('odd hex length')
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const out = new Uint8Array(t.length / 2)
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for (let i = 0; i < out.length; i++) {
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const pair = t.slice(i * 2, i * 2 + 2)
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if (!/^[0-9a-fA-F]{2}$/.test(pair)) throw new Error('invalid hex')
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out[i] = Number.parseInt(pair, 16)
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}
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return out
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}
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/** @param {Uint8Array} u8 */
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function bareOsHexEncode(u8) {
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let s = ''
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for (let i = 0; i < u8.length; i++) s += u8[i].toString(16).padStart(2, '0')
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return s
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}
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/**
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* Shared GNU-style checksum FILE / stdin loop used by *sum commands.
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* @param {Record<string, unknown>} ctx
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* @param {string[]} argv
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* @param {{
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* cmd: string,
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* help?: string,
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* digest: (u8: Uint8Array) => string | Promise<string>
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* }} opts
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*/
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async function bareChecksumRun(ctx, argv, opts) {
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const cmd = String(opts.cmd || 'checksum')
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const help =
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opts.help ||
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'usage: ' +
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cmd +
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' [FILE]...\nWith no FILE, or when FILE is -, read standard input.'
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const digest = opts.digest
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const paths = []
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for (let i = 1; i < argv.length; i++) {
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const a = argv[i]
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if (a === '-h' || a === '--help') {
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ctx.console.log(help)
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ctx.exitCode = 0
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return
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}
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if (a.startsWith('-') && a !== '-') {
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ctx.console.error(cmd + ': unsupported option ' + a)
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ctx.exitCode = 1
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return
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}
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paths.push(a)
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}
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const b4 = ctx.b4a
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async function one(name, buf) {
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const u8 = buf instanceof Uint8Array ? buf : new Uint8Array(buf)
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try {
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const hex = await digest(u8)
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ctx.console.log(hex + ' ' + name)
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} catch (e) {
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ctx.console.error(cmd + ': ' + (e.message || e))
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ctx.exitCode = 1
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}
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}
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if (!paths.length || (paths.length === 1 && paths[0] === '-')) {
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await one('-', b4.from(bareStdin(ctx)))
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return
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}
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for (const p of paths) {
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if (p === '-') {
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await one('-', b4.from(bareStdin(ctx)))
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continue
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}
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const b = await ctx.vfs.readFile(p)
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if (!b) {
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ctx.console.error(cmd + ': ' + p + ': No such file')
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ctx.exitCode = 1
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continue
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}
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await one(p, b)
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}
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}
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/**
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* WebCrypto hex digest; throws the same missing-subtle message as the old *sum files.
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* @param {string} algo
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* @param {string} missingMsg
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* @returns {(u8: Uint8Array) => Promise<string>}
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*/
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function bareSubtleHexDigest(algo, missingMsg) {
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return async function (u8) {
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const subtle = globalThis.crypto?.subtle
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if (!subtle || typeof subtle.digest !== 'function') {
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throw new Error(missingMsg)
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}
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const hash = await subtle.digest(algo, u8)
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return bareOsHexEncode(new Uint8Array(hash))
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}
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}
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/**
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* Owner/group name → uid/gid used by chown / chgrp.
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* @param {string} spec
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* @param {Record<string, string>} env
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* @returns {number | null}
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*/
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function parseGroupSpec(spec, env) {
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const s = String(spec).trim()
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if (!s) return null
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if (/^\d+$/.test(s)) {
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const n = Number.parseInt(s, 10)
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return Number.isFinite(n) ? n : null
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}
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const g = (env.GROUP || env.USER || 'guest').trim()
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if (s === 'root') return 0
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if (s === 'guest' || s === 'nobody') return 65534
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if (g && s === g) {
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const gid = Number.parseInt(String(env.GID ?? '65534'), 10)
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return Number.isFinite(gid) ? gid : 65534
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}
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return null
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}
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/**
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* User name / numeric uid used by chown.
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* @param {string} spec
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* @param {Record<string, string>} env
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* @returns {{ uid: number | null, gid: number | null }}
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*/
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function parseIdSpec(spec, env) {
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const s = String(spec).trim()
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if (!s) return { uid: null, gid: null }
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if (/^\d+$/.test(s)) {
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const n = Number.parseInt(s, 10)
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return { uid: Number.isFinite(n) ? n : null, gid: null }
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}
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const u = (env.USER || env.LOGNAME || '').trim()
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if (s === 'root') return { uid: 0, gid: null }
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if (s === 'guest' || s === 'nobody') return { uid: 65534, gid: null }
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if (u && s === u) {
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const uid = Number.parseInt(String(env.UID ?? '65534'), 10)
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return { uid: Number.isFinite(uid) ? uid : 65534, gid: null }
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}
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return { uid: null, gid: null }
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}
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/**
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* Subset of POSIX.1-2017 getconf — fixed values for Bare OS (no host sysconf).
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* Unknown names exit with status 1 (matches common getconf for invalid var).
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* Live pathconf: **`getconf NAME /absolute/path`** delegates to **`ctx.bareOsPathconf`** when set.
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*/
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const CONF = {
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PATH_MAX: '4096',
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NAME_MAX: '255',
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/** POSIX minimum for ARG_MAX; Bare uses a conservative cap for runBinCommand argv. */
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_POSIX_ARG_MAX: '4096',
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ARG_MAX: '262144',
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LINE_MAX: '2048',
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/** POSIX.1-2008 */
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_POSIX_VERSION: '200809',
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_POSIX2_VERSION: '200809',
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NGROUPS_MAX: '32',
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OPEN_MAX: '256',
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STREAM_MAX: '256',
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TZNAME_MAX: '32',
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_POSIX_CHOWN_RESTRICTED: '1',
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_POSIX_NO_TRUNC: '1',
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_POSIX_VDISABLE: '0',
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_POSIX_JOB_CONTROL: '0',
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_POSIX_SAVED_IDS: '0',
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/** Named segments under `/dev/shm` (in-memory; not a host shm_open). */
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_POSIX_SHARED_MEMORY_OBJECTS: '1',
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_POSIX_MESSAGE_PASSING: '1',
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_POSIX_ASYNCHRONOUS_IO: '0',
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/** Bare shell line length (reasonable REPL limit, not a hard kernel cap). */
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BARE_OS_INPUT_LINE_MAX: '8192',
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/** Defaults for simulated pipelines (stock booter seeds larger session env when host is silent; Tier-2 live caps differ); see handbook §3. */
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BARE_OS_PIPELINE_MAX_STAGES: '32',
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BARE_OS_PIPELINE_MAX_BYTES: '536870912',
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BARE_OS_PIPELINE_MAX_LINES: '2000000',
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/** Default cap for find -exec/-ok invocations per run (override with env). */
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BARE_OS_FIND_EXEC_MAX: '64',
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/** Max lines `yes` prints before stopping (override with BARE_OS_YES_MAX_LINES). */
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BARE_OS_YES_MAX_LINES: '100000',
|
|
/** Max input lines `shuf` will hold in memory (override with BARE_OS_SHUF_MAX_LINES). */
|
|
BARE_OS_SHUF_MAX_LINES: '50000',
|
|
/** Max output chunk files `split` may create (override with BARE_OS_SPLIT_MAX_FILES). */
|
|
BARE_OS_SPLIT_MAX_FILES: '10000',
|
|
/** Max numbers `seq` will emit (override with BARE_OS_SEQ_MAX_LINES). */
|
|
BARE_OS_SEQ_MAX_LINES: '100000',
|
|
_POSIX_THREAD_ATTR_STACKSIZE: '65536',
|
|
_SC_PAGESIZE: '4096',
|
|
_SC_PAGE_SIZE: '4096',
|
|
PAGE_SIZE: '4096',
|
|
PAGESIZE: '4096',
|
|
_SC_OPEN_MAX: '256',
|
|
_SC_STREAM_MAX: '256',
|
|
_SC_CHILD_MAX: '0',
|
|
CHILD_MAX: '0',
|
|
_SC_CLK_TCK: '100',
|
|
CLK_TCK: '100',
|
|
_SC_PHYS_PAGES: '524288',
|
|
_SC_AVPHYS_PAGES: '262144',
|
|
_SC_ARG_MAX: '262144',
|
|
_SC_NPROCESSORS_CONF: '4',
|
|
/** Online processors (static default; live override via `ctx.bareOsGetconfSysconf` + `BARE_OS_NPROC`). */
|
|
_SC_NPROCESSORS_ONLN: '4',
|
|
NPROCESSORS_ONLN: '4',
|
|
_SC_HOST_NAME_MAX: '255',
|
|
HOST_NAME_MAX: '255',
|
|
_POSIX_HOST_NAME_MAX: '255',
|
|
_SC_MONOTONIC_CLOCK: '1',
|
|
/** Dynamic when `ctx.bareOsGetconfSysconf` + native bare-hrtime; static default 0. */
|
|
_SC_MONOTONIC_CLOCK_RES: '0',
|
|
_SC_TRACE: '-1',
|
|
_SC_TRACE_VERSION: '-1',
|
|
_SC_RAW_SOCKETS: '-1',
|
|
_SC_ADVISORY_INFO: '0',
|
|
_SC_BARRIERS: '-1',
|
|
_SC_SPIN_LOCKS: '1',
|
|
_SC_TIMER_MAX: '32',
|
|
_SC_DELAYTIMER_MAX: '0',
|
|
_SC_ATEXIT_MAX: '32',
|
|
_SC_LINE_MAX: '2048',
|
|
_SC_BC_BASE_MAX: '99',
|
|
_SC_BC_DIM_MAX: '2048',
|
|
_SC_BC_SCALE_MAX: '99',
|
|
_SC_SYMLOOP_MAX: '32',
|
|
_SC_IOV_MAX: '1024',
|
|
_SC_UIO_MAXIOV: '1024',
|
|
_SC_THREAD_DESTRUCTOR_ITERATIONS: '4',
|
|
_SC_TTY_NAME_MAX: '32',
|
|
_SC_LOGIN_NAME_MAX: '256',
|
|
/** Defaults; live session: **`ctx.bareOsGetconfSysconf`** (pipeline limits, swarm caps, …). */
|
|
_SC_BARE_OS_PIPELINE_MAX_BYTES: '536870912',
|
|
_SC_BARE_OS_PIPELINE_MAX_LINES: '2000000',
|
|
_SC_BARE_OS_PIPELINE_MAX_STAGES: '32',
|
|
_SC_BARE_OS_GLOB_MAX_MATCHES: '4096',
|
|
_SC_BARE_OS_SHELL_LOOP_MAX: '10000',
|
|
_SC_BARE_OS_EXEC_MAX_DEPTH: '64',
|
|
_SC_BARE_OS_XARGS_MAX_PROCS: '8',
|
|
_SC_BARE_OS_SWARM_MAX_PEERS: '512',
|
|
_SC_BARE_OS_SWARM_MAX_CLIENT_CONNECTIONS: '256',
|
|
_SC_BARE_OS_SWARM_MAX_SERVER_CONNECTIONS: '256',
|
|
_SC_BARE_OS_SWARM_MAX_PARALLEL: '64',
|
|
_SC_BARE_OS_DGRAM_RECVQ_MAX: '256',
|
|
_SC_BARE_OS_ACCEPT_QUEUE_MAX: '64',
|
|
_PC_PATH_MAX: '4096',
|
|
_PC_NAME_MAX: '255',
|
|
_PC_CHOWN_RESTRICTED: '1',
|
|
_PC_NO_TRUNC: '1',
|
|
_PC_FILESIZEBITS: '64',
|
|
_PC_LINK_MAX: '1',
|
|
_PC_MAX_CANON: '255',
|
|
_PC_MAX_INPUT: '512',
|
|
_PC_PIPE_BUF: '4096',
|
|
_PC_2_SYMLINKS: '1',
|
|
/** Comma-separated `ctx.bareOsSyscall` op names implemented in stock booter. */
|
|
BARE_OS_SYSCALL_OPS:
|
|
'accept,access,bind,chdir,chmod,clock_gettime,connect,exists,fcntl,fdatasync,fsync,ftruncate,getcwd,getsockopt,kill,link,listen,lstat,mkdir,mount,mq_open,mq_receive,mq_send,nanosleep,pathconf,posix_fadvise,posixPoll,readFile,readdir,readlink,readv,recv,recvfrom,recvmsg,rename,rmdir,select,send,sendmsg,setsockopt,shutdown,socket,stat,symlink,truncate,umask,umount,unlink,utimes,writeFile,writev',
|
|
/** POSIX.1 XSH-style names documented in `/proc/bare_os/syscalls.json` opsDetail (socket family are syscall probes returning ENOSYS-shaped results). */
|
|
BARE_OS_POSIX_XSH_OPS:
|
|
'open,close,read,write,readv,writev,getsockopt,setsockopt,lseek,nanosleep,clock_gettime,posix_fadvise,pipe,dup,dup2,fcntl,poll,select,umask,fsync,fdatasync,socket,bind,listen,accept,connect,send,recv,recvfrom,sendmsg,recvmsg,shutdown',
|
|
/** Encodings accepted by `/bin/iconv` (subset; case-insensitive names). */
|
|
BARE_OS_ICONV_ENCODINGS: 'UTF-8,ISO-8859-1,UTF-16LE,UTF-16BE',
|
|
/** Synthetic process table JSON path (logical VFS). */
|
|
BARE_OS_PROC_PROCESS_TABLE: '/proc/bare_os/process_table.json',
|
|
/** Sidecar suffix for synthetic POSIX ACL text (`getfacl` / `setfacl`). */
|
|
BARE_OS_ACL_SIDECAR_SUFFIX: '.bare_acl',
|
|
/** Sidecar suffix for extended-attribute JSON (`xattr`). */
|
|
BARE_OS_XATTR_SIDECAR_SUFFIX: '.bare_xattr.json',
|
|
/** Incremental kernel.ext.d reload after boot (`ctx.bareOsReloadKernelExtDropinsSafe`); 0/1 hint only. */
|
|
BARE_OS_KERNEL_EXT_D_HOT_RELOAD: '0',
|
|
/** Operator hint for hyperblob-style dedup in host pipelines; guest VFS does not enable automatically. */
|
|
BARE_OS_VFS_HYPERBLOBS_DEDUP: '0',
|
|
/** This binary: fixed catalog. Use `getconf NAME /path` + `ctx.bareOsPathconf` for live pathconf. */
|
|
BARE_OS_GETCONF_SOURCE: 'static_catalog',
|
|
/** Guest session denies read/write/unlink/chmod on sealed `/.bare/account` and `/.bare/vault/**` unless BARE_OS_GUEST_BARE_READ_ALL=1. */
|
|
BARE_OS_GUEST_SENSITIVE_BARE_DENY: '1',
|
|
/** Optional `/.bare-os/acct/…` segment before `home/` and `tmp/` (BARE_OS_PERSONAL_ACCT_PREFIX). */
|
|
BARE_OS_PERSONAL_ACCT_PREFIX_FEATURE: '1',
|
|
/** Legacy flat-root → `/.bare-os/home/<seg>/` migration state file on the personal drive. */
|
|
BARE_OS_PERSONAL_ROOT_MIGRATION_STATE: '/.bare-os/migration/legacy-root-v1.json',
|
|
/** Replication hook counter: vfs.replication_warm_full_invalidate (metrics / kernelCounters). */
|
|
BARE_OS_REPLICATION_WARM_FULL_INVALIDATE_METRIC: 'vfs.replication_warm_full_invalidate'
|
|
}
|
|
|
|
async function run(ctx, argv) {
|
|
const args = argv.slice(1).filter((a) => a !== '--')
|
|
let dumpAll = false
|
|
/** @type {string[]} */
|
|
const positional = []
|
|
for (const a of args) {
|
|
if (a === '-a') dumpAll = true
|
|
else if (!a.startsWith('-')) positional.push(a)
|
|
else {
|
|
ctx.console.error('getconf: unknown option: ' + a)
|
|
ctx.exitCode = 1
|
|
return
|
|
}
|
|
}
|
|
|
|
if (dumpAll) {
|
|
for (const k of Object.keys(CONF).sort()) {
|
|
ctx.console.log(k + '\n' + CONF[k])
|
|
}
|
|
ctx.exitCode = 0
|
|
return
|
|
}
|
|
|
|
if (positional.length === 2) {
|
|
const varName = positional[0]
|
|
const pathSpec = positional[1]
|
|
if (
|
|
typeof ctx.bareOsPathconf === 'function' &&
|
|
pathSpec.startsWith('/')
|
|
) {
|
|
try {
|
|
const v = ctx.bareOsPathconf(pathSpec, varName)
|
|
ctx.console.log(String(v))
|
|
ctx.exitCode = 0
|
|
return
|
|
} catch (e) {
|
|
ctx.console.error('getconf: ' + (e?.message || String(e)))
|
|
ctx.exitCode = 1
|
|
return
|
|
}
|
|
}
|
|
if (positional.length === 2 && CONF[varName] != null) {
|
|
ctx.console.log(CONF[varName])
|
|
ctx.exitCode = 0
|
|
return
|
|
}
|
|
if (positional.length === 2) {
|
|
ctx.console.error('getconf: ' + varName + ': unknown variable')
|
|
ctx.exitCode = 1
|
|
return
|
|
}
|
|
}
|
|
|
|
if (positional.length !== 1) {
|
|
ctx.console.error('usage: getconf [-a] system_var [path_for_pathconf]')
|
|
ctx.exitCode = 1
|
|
return
|
|
}
|
|
|
|
const name = positional[0]
|
|
|
|
if (typeof ctx.bareOsGetconfSysconf === 'function') {
|
|
try {
|
|
const dyn = ctx.bareOsGetconfSysconf(name)
|
|
if (dyn != null && dyn !== '') {
|
|
ctx.console.log(String(dyn))
|
|
ctx.exitCode = 0
|
|
return
|
|
}
|
|
} catch (e) {
|
|
ctx.console.error('getconf: ' + (e?.message || String(e)))
|
|
ctx.exitCode = 1
|
|
return
|
|
}
|
|
}
|
|
|
|
if (Object.prototype.hasOwnProperty.call(CONF, name)) {
|
|
ctx.console.log(CONF[name])
|
|
ctx.exitCode = 0
|
|
return
|
|
}
|
|
|
|
ctx.console.error('getconf: ' + name + ': unknown variable')
|
|
ctx.exitCode = 1
|
|
}
|