0afa8e065e
git-subtree-dir: contrib/libfido2 git-subtree-mainline:d586c978b9git-subtree-split:a58dee945a
76 lines
2.9 KiB
Bash
Executable File
76 lines
2.9 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) 2020 Fabian Henneke.
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# Use of this source code is governed by a BSD-style
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# license that can be found in the LICENSE file.
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if [ $(uname) != "Linux" ] ; then
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echo "Can only run on Linux"
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exit 1
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fi
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TOKEN_VERSION=$(${FIDO_TOOLS_PREFIX}fido2-token -V 2>&1)
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if [ $? -ne 0 ] ; then
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echo "Please install libfido2 1.5.0 or higher"
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exit
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fi
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TOKEN_VERSION_MAJOR=$(echo "$TOKEN_VERSION" | cut -d. -f1)
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TOKEN_VERSION_MINOR=$(echo "$TOKEN_VERSION" | cut -d. -f2)
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if [ $TOKEN_VERSION_MAJOR -eq 0 -o $TOKEN_VERSION_MAJOR -eq 1 -a $TOKEN_VERSION_MINOR -lt 5 ] ; then
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echo "Please install libfido2 1.5.0 or higher (current version: $TOKEN_VERSION)"
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exit 1
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fi
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set -e
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TOKEN_OUTPUT=$(${FIDO_TOOLS_PREFIX}fido2-token -L)
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DEV_PATH_NAMES=$(echo "$TOKEN_OUTPUT" | sed -r 's/^(.*): .*\((.*)\)$/\1 \2/g')
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DEV_COUNT=$(echo "$DEV_PATH_NAMES" | wc -l)
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for i in $(seq 1 $DEV_COUNT)
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do
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DEV_PATH_NAME=$(echo "$DEV_PATH_NAMES" | sed "${i}q;d")
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DEV_PATH=$(echo "$DEV_PATH_NAME" | cut -d' ' -f1)
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DEV_NAME=$(echo "$DEV_PATH_NAME" | cut -d' ' -f1 --complement)
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DEV_PRETTY=$(echo "$DEV_NAME (at '$DEV_PATH')")
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if expr match "$(${FIDO_TOOLS_PREFIX}fido2-token -I $DEV_PATH)" ".* credMgmt.* clientPin.*\|.* clientPin.* credMgmt.*" > /dev/null ; then
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printf "Enter PIN for $DEV_PRETTY once (ignore further prompts): "
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stty -echo
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read PIN
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stty echo
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printf "\n"
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RESIDENT_RPS=$(echo "${PIN}\n" | setsid -w ${FIDO_TOOLS_PREFIX}fido2-token -L -r $DEV_PATH | cut -d' ' -f3)
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printf "\n"
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RESIDENT_RPS_COUNT=$(echo "$RESIDENT_RPS" | wc -l)
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FOUND=0
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for j in $(seq 1 $DEV_RESIDENT_RPS_COUNT)
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do
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RESIDENT_RP=$(echo "$RESIDENT_RPS" | sed "${j}q;d")
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UNPROT_CREDS=$(echo "${PIN}\n" | setsid -w ${FIDO_TOOLS_PREFIX}fido2-token -L -k $RESIDENT_RP $DEV_PATH | grep ' uvopt$' | cut -d' ' -f2,3,4)
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printf "\n"
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UNPROT_CREDS_COUNT=$(echo "$UNPROT_CREDS" | wc -l)
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if [ $UNPROT_CREDS_COUNT -gt 0 ] ; then
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FOUND=1
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echo "Unprotected credentials on $DEV_PRETTY for '$RESIDENT_RP':"
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echo "$UNPROT_CREDS"
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fi
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done
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if [ $FOUND -eq 0 ] ; then
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echo "No unprotected credentials on $DEV_PRETTY"
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fi
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else
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echo "$DEV_PRETTY cannot enumerate credentials"
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echo "Discovering unprotected SSH credentials only..."
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STUB_HASH=$(echo -n "" | openssl sha256 -binary | base64)
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printf "$STUB_HASH\nssh:\n" | ${FIDO_TOOLS_PREFIX}fido2-assert -G -r -t up=false $DEV_PATH 2> /dev/null || ASSERT_EXIT_CODE=$?
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if [ $ASSERT_EXIT_CODE -eq 0 ] ; then
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echo "Found an unprotected SSH credential on $DEV_PRETTY!"
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else
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echo "No unprotected SSH credentials (default settings) on $DEV_PRETTY"
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fi
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fi
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printf "\n"
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done
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