unos-repository

test_busybox.sh (3030B)

---

 #!/bin/sh
 set -eu
 HERE=$(cd "$(dirname "$0")" && pwd)
 ROOT=$(cd "${HERE}/../.." && pwd)
 . "${HERE}/../helpers.sh"
 
 echo "==> test_busybox: applet policy"
 
 # Locate the busybox we built. The version is globbed rather than hardcoded so
 # a template version bump does not silently turn this test into a skip.
 BUSYBOX=""
 for c in "${ROOT}"/build/work/busybox/src/busybox-*/busybox; do
   [ -x "${c}" ] && BUSYBOX=${c}
 done
 
 # Deliberately no fallback to a host busybox. The previous version fell back to
 # whatever `busybox` was on PATH, which tests a completely unrelated binary's
 # applet policy: on a machine without busybox it reported our required applets
 # missing, and on a machine with a full busybox it would have passed while
 # telling us nothing about the package.
 if [ -z "${BUSYBOX}" ]; then
   echo "SKIP: busybox not built yet (run ./mk/build.sh busybox)"
   echo "==> test_busybox done"
   exit 0
 fi
 
 have=$("$BUSYBOX" --list 2>/dev/null || echo "")
 [ -n "${have}" ] || { echo "FAIL: ${BUSYBOX} --list produced nothing" >&2; exit 1; }
 
 for a in init halt poweroff reboot getty login mount umount switch_root ash runsv runsvdir sv svlogd chpst setuidgid tcpsvd udhcpc; do
   echo "$have" | grep -qx "$a" || { echo "FAIL: required $a missing" >&2; exit 1; }
   echo "PASS: busybox has $a"
 done
 
 for a in ip tc ldconfig unlzma lzcat lzma unxz xzcat xz udhcpd httpd inetd ifup ifdown; do
   if echo "$have" | grep -qx "$a"; then
     echo "FAIL: forbidden $a present" >&2; exit 1
   fi
   echo "PASS: busybox no $a"
 done
 
 # Exactly one package may provide `ip`. The old form of this check looked for
 # rootfs/sbin/ip, but an assembled rootfs is the OS-assembly repo's output and
 # does not exist here; asserting it at the package level tests the same
 # invariant one layer earlier, and apk would refuse the overwrite anyway.
 IPROUTE_APK=$(newest_apk iproute2)
 if [ -n "${IPROUTE_APK}" ]; then
   if tar -tf "${IPROUTE_APK}" 2>/dev/null | grep -qx "sbin/ip"; then
     echo "PASS: iproute2 package provides sbin/ip"
   else
     echo "FAIL: iproute2 package does not provide sbin/ip" >&2; exit 1
   fi
 else
   echo "SKIP: iproute2 not built yet"
 fi
 
 BUSYBOX_APK=$(newest_apk busybox)
 if [ -n "${BUSYBOX_APK}" ]; then
   if tar -tf "${BUSYBOX_APK}" 2>/dev/null | grep -qE '(^|/)(s?bin)/ip$'; then
     echo "FAIL: busybox package also provides ip (collides with iproute2)" >&2; exit 1
   fi
   echo "PASS: busybox package does not provide ip"
 else
   echo "SKIP: busybox not built yet"
 fi
 
 # The applet list above proves ifup is absent from this build; the .config
 # check proves it was turned off deliberately rather than dropped by accident.
 # Derived from $BUSYBOX so it cannot point at a different version than the
 # binary we just interrogated.
 BBCONFIG="$(dirname "${BUSYBOX}")/.config"
 assert_path_exists "${BBCONFIG}" "busybox .config present"
 if grep -q "^# CONFIG_IFUP is not set" "${BBCONFIG}"; then
   echo "PASS: busybox .config IFUP off"
 else
   echo "FAIL: busybox .config IFUP not off" >&2; exit 1
 fi
 
 echo "==> test_busybox done"