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chore(scripts): fallback at previous insmod method, if modprobe fails.

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Signed-off-by: Federico Di Pierro <nierro92@gmail.com>
This commit is contained in:
Federico Di Pierro
2022-11-10 16:19:12 +01:00
committed by poiana
parent d4d2777876
commit a94f26ec43
1 changed files with 24 additions and 12 deletions
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36
scripts/falco-driver-loader
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@@ -243,13 +243,17 @@ load_kernel_module_compile() {
echo "* ${DRIVER_NAME} module found: ${KO_FILE}" echo "* ${DRIVER_NAME} module found: ${KO_FILE}"
echo "* Trying to modprobe" echo "* Trying to modprobe"
chcon -t modules_object_t "$KO_FILE" > /dev/null 2>&1 || true chcon -t modules_object_t "$KO_FILE" > /dev/null 2>&1 || true
depmod ${KERNEL_RELEASE}
if modprobe "${DRIVER_NAME}" > /dev/null 2>&1; then if modprobe "${DRIVER_NAME}" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded in dkms" echo "* Success: ${DRIVER_NAME} module found in dkms and loaded"
exit 0 exit 0
else
echo "* Unable to load ${DRIVER_NAME} module"
fi fi
echo "* Unable to load ${DRIVER_NAME} module"
echo "* Trying insmod"
if insmod "$KO_FILE" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found in dkms and inserted"
exit 0
fi
echo "* Unable to insmod ${DRIVER_NAME} module"
else else
DKMS_LOG="/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/build/make.log" DKMS_LOG="/var/lib/dkms/${DRIVER_NAME}/${DRIVER_VERSION}/build/make.log"
if [ -f "${DKMS_LOG}" ]; then if [ -f "${DKMS_LOG}" ]; then
@@ -274,11 +278,15 @@ load_kernel_module_download() {
cp ${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME} /lib/modules/${KERNEL_RELEASE}/kernel/drivers/falco/falco.ko cp ${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME} /lib/modules/${KERNEL_RELEASE}/kernel/drivers/falco/falco.ko
depmod ${KERNEL_RELEASE} depmod ${KERNEL_RELEASE}
if modprobe "${DRIVER_NAME}" > /dev/null 2>&1; then if modprobe "${DRIVER_NAME}" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded with modprobe" echo "* Success: ${DRIVER_NAME} module found and loaded"
exit 0 exit 0
else fi
>&2 echo "Unable to load the prebuilt ${DRIVER_NAME} module" >&2 echo "Unable to load the prebuilt ${DRIVER_NAME} module"
fi if insmod "${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME}"; then
echo "* Success: ${DRIVER_NAME} module found and inserted"
exit 0
fi
>&2 echo "Unable to insmod the prebuilt ${DRIVER_NAME} module"
else else
>&2 echo "Unable to find a prebuilt ${DRIVER_NAME} module" >&2 echo "Unable to find a prebuilt ${DRIVER_NAME} module"
return return
@@ -392,10 +400,14 @@ load_kernel_module() {
if [ -f "${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME}" ]; then if [ -f "${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME}" ]; then
echo "* Found a prebuilt ${DRIVER_NAME} module at ${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME}, loading it" echo "* Found a prebuilt ${DRIVER_NAME} module at ${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME}, loading it"
chcon -t modules_object_t "${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME}" > /dev/null 2>&1 || true chcon -t modules_object_t "${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME}" > /dev/null 2>&1 || true
mkdir -p /lib/modules/${KERNEL_RELEASE}/kernel/drivers/falco/ mkdir -p /lib/modules/${KERNEL_RELEASE}/kernel/drivers/falco/ || true
cp ${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME} /lib/modules/${KERNEL_RELEASE}/kernel/drivers/falco/falco.ko cp ${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME} /lib/modules/${KERNEL_RELEASE}/kernel/drivers/falco/falco.ko || true
depmod ${KERNEL_RELEASE} depmod ${KERNEL_RELEASE}
modprobe "${DRIVER_NAME}" && echo "* Success: ${DRIVER_NAME} module found and loaded" if modprobe "${DRIVER_NAME}" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded"
exit 0
fi
insmod "${HOME}/.falco/${DRIVER_VERSION}/${ARCH}/${FALCO_KERNEL_MODULE_FILENAME}" && echo "* Success: ${DRIVER_NAME} module found and inserted"
exit $? exit $?
fi fi
@@ -413,7 +425,7 @@ load_kernel_module() {
# Last try (might load a previous driver version) # Last try (might load a previous driver version)
echo "* Trying to load a system ${DRIVER_NAME} module, if present" echo "* Trying to load a system ${DRIVER_NAME} module, if present"
if modprobe "${DRIVER_NAME}" > /dev/null 2>&1; then if modprobe "${DRIVER_NAME}" > /dev/null 2>&1; then
echo "* Success: ${DRIVER_NAME} module found and loaded with modprobe" echo "* Success: ${DRIVER_NAME} module found and loaded"
exit 0 exit 0
fi fi