initial import

1 files changed, 60 insertions, 0 deletions

diff --git a/abs/core/udev/load-modules.sh b/abs/core/udev/load-modules.sh
new file mode 100755
index 0000000..861b942
--- /dev/null
+++ b/abs/core/udev/load-modules.sh
@@ -0,0 +1,60 @@
+#! /bin/bash
+# Implement blacklisting for udev-loaded modules
+
+[ $# -ne 1 ] && exit 1
+
+. /etc/rc.conf
+
+# grab modules from rc.conf
+BLACKLIST="${MOD_BLACKLIST[@]}"
+
+if [ -f /proc/cmdline ]; then 
+    for cmd in $(cat /proc/cmdline); do
+        case $cmd in
+            *=*) eval $cmd ;;
+        esac
+    done
+    #parse cmdline entries of the form "disablemodules=x,y,z"
+    if [ -n "$disablemodules" ]; then
+        BLACKLIST="$BLACKLIST $(echo $disablemodules | sed 's|,| |g')"
+    fi
+    if [ "$load_modules" == "off" ]; then
+        MOD_AUTOLOAD="no"
+    fi
+fi
+
+#MODULES entries in rc.conf that begin with ! are blacklisted
+for mod in ${MODULES[@]}; do
+    if [ "${mod}" != "${mod#!}" ]; then
+        BLACKLIST="$BLACKLIST ${mod#!}"
+    fi
+done
+
+
+if [ "$MOD_AUTOLOAD" = "yes" -o "$MOD_AUTOLOAD" = "YES" ]; then
+    if [ -n "$BLACKLIST" ]; then 
+        depmods="$(/sbin/modprobe -i --show-depends $1)"
+        if [ $? -ne 0 ]; then
+            /usr/bin/logger -p info "cannot find module $1"
+            exit 1
+        fi
+
+        #sanitize our module names
+        depmods="$(echo "$depmods" | sed \
+            -e "s#^insmod /lib.*/\(.*\)\.ko.*#\1#g" \
+            -e 's|-|_|g')"
+
+        for mod in $depmods; do
+            if echo $BLACKLIST | /bin/grep "\<$mod\>" 2>&1 >/dev/null; then
+                /usr/bin/logger -p info "udev load-modules: $1 is blacklisted"
+                exit 1
+            fi
+        done
+    fi
+    /sbin/modprobe $1
+else
+    #/usr/bin/logger -p info \
+    echo \
+    "udev load-modules: autoloading is disabled, not loading $1"
+fi
+# vim: set et ts=4: