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fips/packaging/openwrt-ipk/scripts/prerm
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Johnathan Corgan 9462d5d125 Restart fips and the gateway when an apk upgrade replaces them
apk-tools v3 runs only the incoming package's pre-upgrade and post-upgrade
scripts on an upgrade, and the .apk registered neither. An upgrade replaced
the binaries and init scripts on disk but left procd running the old fips
and fips-gateway processes until a reboot or a manual restart.

The .apk now registers pre-upgrade and post-upgrade as thin wrappers around
the same prerm and postinst bodies the .ipk ships. One header line gives each
body the opkg upgrade contract it already handles: pre-upgrade rewrites apk's
"<new> <old>" arguments to "upgrade <new>", so prerm stops both services
without disabling them and leaves its marker, and post-upgrade exports
PKG_UPGRADE=1, as OpenWrt's own package-pack.mk does, so postinst starts fips
and starts the gateway only if it was enabled. Registering post-upgrade alone
would not have been enough: procd ignores a start of a running instance whose
command line is unchanged, so the services have to be stopped first.

testing/openwrt/package-test.sh runs the real build-apk.sh on the host
against a stub apk and checks the registered phases, the #! lines, that the
install and removal scripts are the shipped bodies, and, by executing each
wrapper's header with apk's argv and environment, that the upgrade pair hands
the bodies the right arguments. The ash harness runs it first and then runs
the captured scripts in three new apk scenarios, and the packaging workflow's
apk structural check now requires all four scripts in the adbdump.

An upgrade onto a package built this way was run on OpenWrt 25.12.2 with its
apk-tools 3.0.5: apk ran both pre-upgrade and post-upgrade, and both came from
the incoming package.

The adbdump key format the workflow check matches, each script as a
"<phase>:" key under scripts:, was read from the apk-tools v3.0.5 source
(src/serialize_yaml.c), the tag the packaging workflow builds from source.
It matches the dump that source-built 3.0.5 printed for this change in the
packaging workflow, where all four scripts appeared under scripts: and
passed the check on both architectures. OpenWrt's own apk-tools 3.0.5 is
built without mkpkg, and on a router adbdump cannot read the installed
database and info has no --scripts, so which scripts an installed package
registered cannot be read back on a device. The check covers the built
package only.
2026-09-26 20:41:13 +00:00

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#!/bin/sh
# Maintainer script run before the FIPS package is removed or replaced.
#
# Installed as the .ipk CONTROL/prerm and registered as the .apk pre-deinstall
# script, and as the .apk pre-upgrade script with its arguments rewritten to
# "upgrade <new-version>", so one body serves both packagers.
#
# opkg calls this with "upgrade <new-version>" when the package is being
# replaced. Disabling the services there would erase the operator's choice,
# because nothing records it anywhere else, so an upgrade only stops them and
# leaves a marker telling the incoming postinst that enablement survived.
# A real removal stops and disables both, as before.
UPGRADE_MARKER=/tmp/fips-prerm-upgrade
if [ "$1" = "upgrade" ]; then
: > "$UPGRADE_MARKER" 2>/dev/null || true
/etc/init.d/fips-gateway stop 2>/dev/null || true
/etc/init.d/fips stop 2>/dev/null || true
exit 0
fi
/etc/init.d/fips-gateway stop 2>/dev/null || true
/etc/init.d/fips-gateway disable 2>/dev/null || true
/etc/init.d/fips stop 2>/dev/null || true
/etc/init.d/fips disable 2>/dev/null || true
exit 0