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|
#!/bin/sh
set -e
. /usr/share/debconf/confmodule
#set -x
if [ "$(uname)" != Linux ]; then
exit 0
fi
# This is a hack, but we don't have a better idea right now.
# See Debian bug #136743
if [ -x /sbin/depmod ]; then
depmod -a > /dev/null 2>&1 || true
fi
log () {
logger -t ethdetect "$@"
}
is_not_loaded() {
! ((cut -d" " -f1 /proc/modules | grep -q "^$1\$") || \
(cut -d" " -f1 /proc/modules | sed -e 's/_/-/g' | grep -q "^$1\$"))
}
load_module() {
local module="$1"
local priority=low
case "$module" in
"plip")
module_probe parport_pc medium
priority=medium
;;
esac
module_probe "$module" "$priority"
}
list_modules_dir() {
find $1 -type f | sed 's/\.ko$//; s/.*\///'
}
list_nic_modules() {
list_modules_dir /lib/modules/*/kernel/drivers/net
if [ -d /lib/modules/$(uname -r)/kernel/drivers/usb/net ]; then
list_modules_dir /lib/modules/$(uname -r)/kernel/drivers/usb/net
else
# usb nic modules not separated from non-nic. List all
# usb modules that have an entry in devnames.
for module in $(list_modules_dir /lib/modules/*/kernel/drivers/usb); do
if [ -n "$(get_static_modinfo $module)" ]; then
echo $module
fi
done
fi
}
snapshot_devs() {
echo -n `grep : /proc/net/dev | cut -d':' -f1`
}
compare_devs() {
local olddevs="$1"
local devs="$2"
local dev newdevs
newdevs=
for dev in $devs; do
if ! echo " $olddevs " | grep -q " $dev "; then
newdevs="${newdevs:+$newdevs }$dev"
fi
done
echo "$newdevs"
}
DEVNAMES_STATIC=/etc/network/devnames-static.gz
TEMP_EXTRACT=/tmp/devnames-static.txt
get_static_modinfo() {
local module="$(echo $1 | sed 's/\.ko//')"
local modinfo=""
if [ ! -f "$TEMP_EXTRACT" ]; then
zcat $DEVNAMES_STATIC > $TEMP_EXTRACT
fi
if grep -q "^${module}:" $TEMP_EXTRACT; then
modinfo=$(zcat $DEVNAMES_STATIC | grep "^${module}:" | head -n 1 | cut -d':' -f2-)
fi
echo "$modinfo"
}
cleanup () {
rm -f $TEMP_EXTRACT
}
lsifaces () {
sed -e "s/lo://" < /proc/net/dev | grep "[a-z0-9]*:[ ]*[0-9]*" | sed "s/:.*//; s/^ *//"
}
ethernet_found() {
local ifaces=0
local firewire=0
for iface in $(lsifaces); do
ifaces=$(expr $ifaces + 1)
if [ -f /etc/network/devnames ]; then
if grep "^$iface:" /etc/network/devnames | \
grep -q -i firewire; then
firewire=$(expr $firewire + 1)
fi
fi
done
if [ "$ifaces" = 0 ]; then
return 1
elif [ "$ifaces" = "$firewire" ]; then
db_input high ethdetect/use_firewire_ethernet || true
db_go || true
db_get ethdetect/use_firewire_ethernet
if [ "$RET" = true ]; then
return 0
else
return 1
fi
else
# At least one regular ethernet interface
return 0
fi
}
module_probe() {
local module="$1"
local priority="$2"
local modinfo=""
local devs=""
local olddevs=""
local newdev=""
devs="$(snapshot_devs)"
if ! log-output -t ethdetect modprobe -v "$module"; then
# Prompt the user for parameters for the module.
local template="hw-detect/retry_params"
local question="$template/$module"
db_unregister "$question"
db_register "$template" "$question"
db_subst "$question" MODULE "$module"
db_input critical "$question" || [ $? -eq 30 ]
db_go
db_get "$question"
local params="$RET"
if [ -n "$params" ]; then
if ! log-output -t ethdetect modprobe -v "$module" $params; then
db_unregister "$question"
db_subst hw-detect/modprobe_error CMD_LINE_PARAM "modprobe -v $module $params"
db_input critical hw-detect/modprobe_error || [ $? -eq 30 ]
db_go
false
else
# Module loaded successfully
if [ "$params" != "" ]; then
register-module "$module" "$params"
fi
fi
fi
fi
olddevs="$devs"
devs="$(snapshot_devs)"
newdevs="$(compare_devs "$olddevs" "$devs")"
# Pick up multiple cards that were loaded by a single module
# hence they'll have same description
modinfo=$(get_static_modinfo $module)
if [ -n "$newdevs" -a -n "$modinfo" ]; then
for ndev in $newdevs; do
echo "${ndev}:${modinfo}" >> /etc/network/devnames
done
fi
}
if ! hw-detect ethdetect/detect_progress_title; then
log "hw-detect exited nonzero"
fi
while ! ethernet_found; do
CHOICES=""
for mod in $(list_nic_modules | sort); do
modinfo=$(get_static_modinfo $mod)
if [ -n "$modinfo" ]; then
if [ "$modinfo" = BLACKLIST ]; then
continue
fi
mod="$mod: $modinfo"
fi
CHOICES="${CHOICES:+$CHOICES, }$mod"
done
if [ -n "$CHOICES" ]; then
db_capb backup
db_subst ethdetect/module_select CHOICES "$CHOICES"
db_input medium ethdetect/module_select || [ $? -eq 30 ]
if ! db_go; then
cleanup
exit 10
fi
db_capb
db_get ethdetect/module_select
if [ "$RET" = "no ethernet card" ]; then
break
elif [ "$RET" != "none of the above" ]; then
module="$(echo $RET | cut -d: -f1)"
if [ -n "$module" ] && is_not_loaded "$module" ; then
register-module "$module"
load_module "$module"
fi
continue
fi
fi
if [ -e /usr/lib/debian-installer/retriever/media-retriever ]; then
db_capb backup
db_input critical hw-detect/load_media
if ! db_go; then
cleanup
exit 10
fi
db_capb
db_get hw-detect/load_media
if [ "$RET" = true ] && \
anna media-retriever && \
hw-detect ethdetect/detect_progress_title; then
continue
fi
fi
db_capb backup
db_input high ethdetect/cannot_find
if ! db_go; then
cleanup
exit 10
fi
db_capb
if [ -z "$CHOICES" ]; then
sysfs-update-devnames || true
cleanup
exit 0
fi
done
db_get ethdetect/prompt_missing_firmware
if [ "$RET" = true ]; then
check-missing-firmware $(lsifaces)
else
check-missing-firmware -n $(lsifaces)
fi
sysfs-update-devnames || true
cleanup
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