44 lines
1.6 KiB
Bash
44 lines
1.6 KiB
Bash
#!/usr/bin/env bash
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l_output="" l_output2=""
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module_chk() {
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# Check how module will be loaded
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l_loadable="$(modprobe -n -v "$l_mname")"
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if grep -Pq -- '^\h*install \/bin\/(true|false)' <<<"$l_loadable"; then
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l_output="$l_output\n - module: \"$l_mname\" is not loadable: \"$l_loadable\""
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else
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l_output2="$l_output2\n - module: \"$l_mname\" is loadable: \"$l_loadable\""
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fi
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# Check is the module currently loaded
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if ! lsmod | grep "$l_mname" >/dev/null 2>&1; then
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l_output="$l_output\n - module: \"$l_mname\" is not loaded"
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else
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l_output2="$l_output2\n - module: \"$l_mname\" is loaded"
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fi
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# Check if the module is deny listed
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if modprobe --showconfig | grep -Pq -- "^\h*blacklist\h+$l_mname\b"; then
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l_output="$l_output\n - module: \"$l_mname\" is deny listed in: \"$(grep -Pl -- "^\h*blacklist\h+$l_mname\b" /etc/modprobe.d/*)\""
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else
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l_output2="$l_output2\n - module: \"$l_mname\" is not deny listed"
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fi
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}
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if [ -n "$(find /sys/class/net/*/ -type d -name wireless)" ]; then
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l_dname=$(for driverdir in $(find /sys/class/net/*/ -type d -name wireless | xargs -0 dirname); do basename "$(readlink -f "$driverdir"/device/driver/module)"; done | sort -u)
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for l_mname in $l_dname; do
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module_chk
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done
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fi
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# Report results. If no failures output in l_output2, we pass
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if [ -z "$l_output2" ]; then
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echo -e "\n- Audit Result:\n ** PASS **"
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if [ -z "$l_output" ]; then
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echo -e "\n - System has no wireless NICs installed"
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else
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echo -e "\n$l_output\n"
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fi
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else
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echo -e "\n- Audit Result:\n ** FAIL **\n - Reason(s) for audit failure:\n$l_output2\n"
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[ -n "$l_output" ] && echo -e "\n- Correctly set:\n$l_output\n"
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exit 1
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fi
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