feat: add native fnOS package

fnos/cmd/install_callback

@@ -0,0 +1,28 @@
+#!/bin/bash
+set -eu
+
+PASSWORD="${wizard_admin_password:-}"
+PASSWORD_CONFIRM="${wizard_admin_password_confirm:-}"
+unset wizard_admin_password wizard_admin_password_confirm
+
+fail() {
+    printf '%s\n' "$1" >&2
+    if [ -n "${TRIM_TEMP_LOGFILE:-}" ]; then
+        printf '%s\n' "$1" >>"$TRIM_TEMP_LOGFILE" 2>/dev/null || true
+    fi
+    exit 1
+}
+
+[ "$PASSWORD" = "$PASSWORD_CONFIRM" ] || fail "管理员密码两次输入不一致。"
+[ "${#PASSWORD}" -ge 10 ] || fail "管理员密码至少需要 10 个字符。"
+[ "${#PASSWORD}" -le 256 ] || fail "管理员密码不能超过 256 个字符。"
+case "$PASSWORD" in
+    *$'\n'*|*$'\r'*) fail "管理员密码不能包含换行符。" ;;
+esac
+
+mkdir -p "${TRIM_PKGVAR}/run" "${TRIM_PKGVAR}/log"
+chmod 0700 "${TRIM_PKGVAR}" "${TRIM_PKGVAR}/run" 2>/dev/null || true
+umask 077
+printf '%s\n' "$PASSWORD" >"${TRIM_PKGVAR}/admin-password.seed"
+unset PASSWORD PASSWORD_CONFIRM
+exit 0