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  • Committer: Teddy Hogeborn
  • Date: 2015-05-22 20:23:46 UTC
  • Revision ID: teddy@recompile.se-20150522202346-taccq232srbszyd9
mandos-keygen: Bug fix: Only use one SSH key from ssh-keyscan

If ssh-keyscan found keys of more than one type, the generated output
would be incorrect.  Restrict the output to one type of key.

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mandos-keygen
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# Contact the authors at <mandos@recompile.se>.
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# 
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VERSION="1.6.6"
 
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VERSION="1.6.9"
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KEYDIR="/etc/keys/mandos"
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KEYTYPE=RSA
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    --name "$0" -- "$@"`
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help(){
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basename="`basename $0`"
 
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basename="`basename "$0"`"
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cat <<EOF
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Usage: $basename [ -v | --version ]
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       $basename [ -h | --help ]
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    esac
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done
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if [ "$#" -gt 0 ]; then
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    echo "Unknown arguments: '$@'" >&2
 
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    echo "Unknown arguments: '$*'" >&2
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    exit 1
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fi
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    esac
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    if [ $SSH -eq 1 ]; then
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        set +e
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        ssh_fingerprint="`ssh-keyscan localhost 2>/dev/null`"
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        if [ $? -ne 0 ]; then
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            ssh_fingerprint=""
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        fi
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        set -e
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        ssh_fingerprint="${ssh_fingerprint#localhost }"
 
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        for ssh_keytype in ed25519 rsa; do
 
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            set +e
 
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            ssh_fingerprint="`ssh-keyscan -t $ssh_keytype localhost 2>/dev/null`"
 
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            set -e
 
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            if [ $? -ne 0 ]; then
 
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                ssh_fingerprint=""
 
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                continue
 
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            fi
 
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            if [ -n "$ssh_fingerprint" ]; then
 
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                ssh_fingerprint="${ssh_fingerprint#localhost }"
 
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                break
 
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            fi
 
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        done
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    fi
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    # Import key into temporary key rings
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    # Get fingerprint of key
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    FINGERPRINT="`gpg --quiet --batch --no-tty --no-options \
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        --enable-dsa2 --homedir \"$RINGDIR\" --trust-model always \
 
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        --enable-dsa2 --homedir "$RINGDIR" --trust-model always \
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        --fingerprint --with-colons \
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        | sed --quiet \
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        --expression='/^fpr:/{s/^fpr:.*:\\([0-9A-Z]*\\):\$/\\1/p;q}'`"
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            }
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        }' < "$SECFILE"
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    if [ -n "$ssh_fingerprint" ]; then
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        echo 'checker = ssh-keyscan %%(host)s 2>/dev/null | grep --fixed-strings --line-regexp --quiet --regexp="%%(host)s %(ssh_fingerprint)s"'
 
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        echo 'checker = ssh-keyscan -t '"$ssh_keytype"' %%(host)s 2>/dev/null | grep --fixed-strings --line-regexp --quiet --regexp=%%(host)s" %(ssh_fingerprint)s"'
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        echo "ssh_fingerprint = ${ssh_fingerprint}"
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    fi
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fi