v0.0.24 - Fix stale release installs by validating installer version and hardening release artifact build/version checks

install_qube_fips_nsigner.sh

@@ -110,6 +110,32 @@ download_nsigner_asset_url() {
     | head -n1 || true
 }
 
+verify_installed_version() {
+  local expected="$1"
+  local got_line=""
+  local got_ver=""
+
+  if [[ ! -x "${PREFIX_BIN}/nsigner" ]]; then
+    err "Installed binary missing: ${PREFIX_BIN}/nsigner"
+    exit 1
+  fi
+
+  got_line="$("${PREFIX_BIN}/nsigner" --version 2>/dev/null || true)"
+  got_ver="$(printf '%s\n' "${got_line}" | awk '{print $2}')"
+
+  if [[ -z "${got_ver}" ]]; then
+    err "Could not determine installed n_signer version from: ${got_line}"
+    exit 1
+  fi
+
+  if [[ "${got_ver}" != "${expected}" ]]; then
+    err "Downloaded binary version mismatch: expected ${expected}, got ${got_ver}"
+    err "Release asset appears stale or mislabeled."
+    err "Use NSIGNER_BINARY_URL to pin a known-good binary, or wait for a rebuilt release artifact."
+    exit 1
+  fi
+}
+
 install_nsigner() {
   local release_page=""
 
@@ -137,6 +163,8 @@ install_nsigner() {
     curl -fL -o "${PREFIX_BIN}/nsigner" "${asset_url}"
   fi
   chmod 0755 "${PREFIX_BIN}/nsigner"
+
+  verify_installed_version "${NSIGNER_VERSION}"
   log "Installed ${PREFIX_BIN}/nsigner from release binary"
 }