mirror of
https://github.com/mozilla/cipherscan.git
synced 2024-11-22 06:13:42 +01:00
Merge pull request #77 from floatingatoll/bashisms
Various bash cleanups and one bugfix
This commit is contained in:
Julien Vehent
commit
3f3e22b09a
302
cipherscan
302
cipherscan
@ -10,16 +10,23 @@
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DOBENCHMARK=0
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BENCHMARKITER=30
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REALPATH=$(dirname $0)
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DIRNAMEPATH=$(dirname "$0")
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REALPATH="$DIRNAMEPATH"
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# make sure this doesn't error out when readlink -f isn't available (OSX)
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readlink -f $0 &>/dev/null && REALPATH=$(dirname $(readlink -f $0))
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OPENSSLBIN="${REALPATH}/openssl"
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if [ "$(uname -s)" == "Darwin" ]; then
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readlink -f "$0" &>/dev/null && REALPATH=$(dirname "$(readlink -f "$0")")
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if [[ "$(uname -s)" == "Darwin" ]]; then
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OPENSSLBIN="${REALPATH}/openssl-darwin64"
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else
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OPENSSLBIN="${REALPATH}/openssl"
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fi
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OPENSSLBINHELP="$($OPENSSLBIN s_client -help 2>&1)"
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if ! [[ $OPENSSLBINHELP =~ -connect ]]; then
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echo "$OPENSSLBIN s_client doesn't accept the -connect parameter, which is extremely strange; refusing to proceed." 1>&2
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exit 1
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fi
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# cipherscan requires bash4, which doesn't come by default in OSX
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if [ ${BASH_VERSINFO[0]} -lt 4 ]; then
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if [[ ${BASH_VERSINFO[0]} -lt 4 ]]; then
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echo "Bash version 4 is required to run cipherscan."
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echo "Please upgrade your version of bash (ex: brew install bash)."
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exit 1
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@ -28,36 +35,36 @@ fi
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# test that timeout or gtimeout (darwin) are present
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TIMEOUTBIN="$(which timeout)"
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if [ "$TIMEOUTBIN" == "" ]; then
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if [[ "$TIMEOUTBIN" == "" ]]; then
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TIMEOUTBIN="$(which gtimeout)"
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if [ "$TIMEOUTBIN" == "" ]; then
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if [[ "$TIMEOUTBIN" == "" ]]; then
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echo "neither timeout nor gtimeout are present. install coreutils with {apt-get,yum,brew} install coreutils"
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exit 1
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fi
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fi
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# Check for busybox, which has different arguments
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TIMEOUTOUTPUT=$(($TIMEOUTBIN --help) 2>&1)
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TIMEOUTOUTPUT="$($TIMEOUTBIN --help 2>&1)"
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if [[ "$TIMEOUTOUTPUT" =~ BusyBox ]]; then
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TIMEOUTBIN="$TIMEOUTBIN -t"
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fi
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# use custom config file to enable GOST ciphers
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if [[ -e $(dirname $0)/openssl.cnf ]]; then
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export OPENSSL_CONF="$(dirname $0)/openssl.cnf"
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if [[ -e $DIRNAMEPATH/openssl.cnf ]]; then
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export OPENSSL_CONF="$DIRNAMEPATH/openssl.cnf"
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fi
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# find a list of trusted CAs on the local system, or use the provided list
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if [ -z "$CACERTS" ]; then
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if [[ -z "$CACERTS" ]]; then
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for f in /etc/pki/tls/certs/ca-bundle.crt /etc/ssl/certs/ca-certificates.crt; do
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if [ -e "$f" ]; then
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if [[ -e "$f" ]]; then
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CACERTS="$f"
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break
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fi
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done
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fi
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if [ ! -e "$CACERTS" ]; then
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CACERTS="$(dirname $0)/ca-bundle.crt"
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if [[ ! -e "$CACERTS" ]]; then
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CACERTS="$DIRNAMEPATH/ca-bundle.crt"
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fi
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# RSA ciphers are put at the end to force Google servers to accept ECDSA ciphers
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@ -65,7 +72,8 @@ fi
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CIPHERSUITE="ALL:COMPLEMENTOFALL:+aRSA"
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# some servers are intolerant to large client hello, try a shorter list of
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# ciphers with them
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SHORTCIPHERSUITE=('ECDHE-ECDSA-AES128-GCM-SHA256'
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SHORTCIPHERSUITE=(
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'ECDHE-ECDSA-AES128-GCM-SHA256'
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'ECDHE-RSA-AES128-GCM-SHA256'
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'ECDHE-RSA-AES256-GCM-SHA384'
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'ECDHE-ECDSA-AES256-SHA'
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@ -88,7 +96,8 @@ SHORTCIPHERSUITE=('ECDHE-ECDSA-AES128-GCM-SHA256'
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'CAMELLIA256-SHA'
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'DES-CBC3-SHA'
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'RC4-SHA'
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'RC4-MD5')
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'RC4-MD5'
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)
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# as some servers are intolerant to large client hello's (or ones that have
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# RC4 ciphers below position 64), use the following for cipher testing in case
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# of problems
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@ -192,65 +201,69 @@ EXAMPLES: $0 -starttls xmpp jabber.ccc.de:5222
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}
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verbose() {
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if [ $VERBOSE != 0 ]; then
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if [[ $VERBOSE != 0 ]]; then
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echo "$@" >&2
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fi
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}
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debug(){
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if [ $DEBUG == 1 ]; then
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if [[ $DEBUG == 1 ]]; then
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echo Debug: "$@" >&2
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set -evx
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fi
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}
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# obtain an array of curves supported by openssl
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CURVES=(sect163k1 # K-163
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sect163r1
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sect163r2 # B-163
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sect193r1
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sect193r2
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sect233k1 # K-233
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sect233r1 # B-233
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sect239k1
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sect283k1 # K-283
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sect283r1 # B-283
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sect409k1 # K-409
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sect409r1 # B-409
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sect571k1 # K-571
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sect571r1 # B-571
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secp160k1
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secp160r1
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secp160r2
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secp192k1
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prime192v1 # P-192 secp192r1
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secp224k1
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secp224r1 # P-224
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secp256k1
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prime256v1 # P-256 secp256r1
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secp384r1 # P-384
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secp521r1 # P-521
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brainpoolP256r1
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brainpoolP384r1
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brainpoolP512r1)
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CURVES=(
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'sect163k1' # K-163
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'sect163r1'
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'sect163r2' # B-163
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'sect193r1'
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'sect193r2'
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'sect233k1' # K-233
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'sect233r1' # B-233
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'sect239k1'
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'sect283k1' # K-283
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'sect283r1' # B-283
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'sect409k1' # K-409
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'sect409r1' # B-409
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'sect571k1' # K-571
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'sect571r1' # B-571
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'secp160k1'
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'secp160r1'
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'secp160r2'
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'secp192k1'
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'prime192v1' # P-192 secp192r1
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'secp224k1'
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'secp224r1' # P-224
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'secp256k1'
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'prime256v1' # P-256 secp256r1
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'secp384r1' # P-384
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'secp521r1' # P-521
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'brainpoolP256r1'
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'brainpoolP384r1'
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'brainpoolP512r1'
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)
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# many curves have alternative names, this array provides a mapping to find the IANA
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# name of a curve using its alias
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CURVES_MAP=("sect163k1 K-163"
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"sect163r2 B-163"
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"sect233k1 K-233"
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"sect233r1 B-233"
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"sect283k1 K-283"
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"sect283r1 B-283"
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"sect409k1 K-409"
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"sect409r1 B-409"
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"sect571k1 K-571"
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"sect571r1 B-571"
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"prime192v1 P-192 secp192r1"
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"secp224r1 P-224"
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"prime256v1 P-256 secp256r1"
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"secp384r1 P-384"
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"secp521r1 P-521")
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CURVES_MAP=(
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'sect163k1 K-163'
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'sect163r2 B-163'
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'sect233k1 K-233'
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'sect233r1 B-233'
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'sect283k1 K-283'
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'sect283r1 B-283'
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'sect409k1 K-409'
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'sect409r1 B-409'
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'sect571k1 K-571'
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'sect571r1 B-571'
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'prime192v1 P-192 secp192r1'
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'secp224r1 P-224'
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'prime256v1 P-256 secp256r1'
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'secp384r1 P-384'
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'secp521r1 P-521'
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)
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get_curve_name() {
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local identifier=$1
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@ -275,26 +288,20 @@ c_hash() {
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fi
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if [[ ! -e $1/${h}.${num} ]]; then
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# file doesn't exist, create a link
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pushd "$1" > /dev/null
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if pushd "$1" > /dev/null; then
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ln -s "$2" "${h}.${num}"
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else
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echo "'pushd $1' failed unexpectedly, refusing to proceed" 1>&2
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exit 1
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fi
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popd > /dev/null
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break
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fi
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done
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}
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crude_grep() {
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while read line; do
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if [[ $line =~ $1 ]]; then
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return 0
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fi
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done
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return 1
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}
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check_option_support() {
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$OPENSSLBIN s_client -help 2>&1 | crude_grep "$1"
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return $?
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[[ $OPENSSLBINHELP =~ "$1" ]]
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}
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parse_openssl_output() {
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@ -416,7 +423,7 @@ test_cipher_on_target() {
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# sslv2 client hello doesn't support SNI extension
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# in SSLv3 mode OpenSSL just ignores the setting so it's ok
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# -status exception is ignored in SSLv2, go figure
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if [ "$tls_version" == "-ssl2" ]; then
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if [[ "$tls_version" == "-ssl2" ]]; then
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if [[ "$sslcommand" =~ (.*)(-servername\ [^ ]*)(.*) ]]; then
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cmnd="${BASH_REMATCH[1]} ${BASH_REMATCH[3]}"
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else
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@ -438,7 +445,7 @@ test_cipher_on_target() {
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local certificate_count=$certs_found
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debug "server presented $certificate_count certificates"
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local i
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for ((i=0; i<$certificate_count; i=i+1 )); do
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for ((i=0; i<certificate_count; i=i+1 )); do
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# extract i'th certificate
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local cert="${current_raw_certificates[$i]}"
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@ -447,7 +454,7 @@ test_cipher_on_target() {
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# compare the values not just checksums so that eventual collision
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# doesn't mess up results
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if [[ ${known_certs[$cksum]} == $cert ]]; then
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if [ -n "${current_certificates}" ]; then
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if [[ -n "${current_certificates}" ]]; then
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current_certificates+=","
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fi
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current_certificates+="\"${cert_checksums[$cksum]}\""
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@ -498,7 +505,7 @@ test_cipher_on_target() {
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fi
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fi
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# save the sha sum for reporting
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if [ -n "${current_certificates}" ]; then
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if [[ -n "${current_certificates}" ]]; then
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current_certificates+=","
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fi
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current_certificates+="\"${sha256sum}\""
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@ -515,20 +522,20 @@ test_cipher_on_target() {
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verbose "connection successful; protocol: $current_protocol, cipher: $current_cipher, previous cipher: $previous_cipher"
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fi
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# handling of TLSv1.2 only cipher suites
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if [ ! -z "$previous_cipher" ] && [ "$previous_cipher" != "$current_cipher" ] && [ "$current_cipher" != "0000" ]; then
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if [[ ! -z "$previous_cipher" ]] && [[ "$previous_cipher" != "$current_cipher" ]] && [[ "$current_cipher" != "0000" ]]; then
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unset protocols
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fi
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previous_cipher=$current_cipher
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# connection succeeded, add TLS version to positive results
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if [ -z "$protocols" ]; then
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if [[ -z "$protocols" ]]; then
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protocols=$current_protocol
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else
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protocols="$protocols,$current_protocol"
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fi
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cipher=$current_cipher
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pfs=$current_pfs
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[ -z $pfs ] && pfs="None"
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[[ -z $pfs ]] && pfs="None"
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pubkey=$current_pubkey
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sigalg=$current_sigalg
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trusted=$current_trusted
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@ -539,13 +546,13 @@ test_cipher_on_target() {
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done
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# if cipher is empty, that means none of the TLS version worked with
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# the current cipher
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if [ -z "$cipher" ]; then
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if [[ -z "$cipher" ]]; then
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verbose "handshake failed, no ciphersuite was returned"
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result='ConnectionFailure'
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return 2
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# if cipher contains NONE, the cipher wasn't accepted
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elif [ "$cipher" == '(NONE) ' ]; then
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elif [[ "$cipher" == '(NONE) ' ]]; then
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result="$cipher $protocols $pubkey $sigalg $trusted $tickethint $ocspstaple $pfs $current_curves $curves_ordering"
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verbose "handshake failed, server returned ciphersuite '$result'"
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return 1
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@ -556,9 +563,9 @@ test_cipher_on_target() {
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# if pfs uses ECDH, test supported curves
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if [[ $pfs =~ ECDH ]]; then
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has_curves="True"
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if [ $TEST_CURVES == "True" ]; then
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if [[ $TEST_CURVES == "True" ]]; then
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test_curves
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if [ "$ecc_ciphers" != "" ]; then
|
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if [[ "$ecc_ciphers" != "" ]]; then
|
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ecc_ciphers+=":"
|
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fi
|
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ecc_ciphers+="$cipher"
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@ -582,7 +589,7 @@ bench_cipher() {
|
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for i in $(seq 1 $BENCHMARKITER); do
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debug Connection $i
|
||||
(echo "Q" | $sslcommand 2>/dev/null 1>/dev/null)
|
||||
if [ $? -gt 0 ]; then
|
||||
if [[ $? -gt 0 ]]; then
|
||||
break
|
||||
fi
|
||||
done
|
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@ -590,19 +597,19 @@ bench_cipher() {
|
||||
local t="$(($(date +%s%N) - t))"
|
||||
verbose "Benchmarking done in $t nanoseconds"
|
||||
# Microseconds
|
||||
cipherbenchms="$((t/1000/$BENCHMARKITER))"
|
||||
cipherbenchms="$((t/1000/BENCHMARKITER))"
|
||||
}
|
||||
|
||||
# Connect to the target and retrieve the chosen cipher
|
||||
# recursively until the connection fails
|
||||
get_cipher_pref() {
|
||||
[ "$OUTPUTFORMAT" == "terminal" ] && [ $DEBUG -lt 1 ] && echo -n '.'
|
||||
[[ "$OUTPUTFORMAT" == "terminal" ]] && [[ $DEBUG -lt 1 ]] && echo -n '.'
|
||||
local ciphersuite="$1"
|
||||
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
if [ -n "$CAPATH" ]; then
|
||||
if [[ -n "$CAPATH" ]]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
elif [ -e $CACERTS ]; then
|
||||
elif [[ -e $CACERTS ]]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
fi
|
||||
sslcommand+=" -status $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
|
||||
@ -611,7 +618,7 @@ get_cipher_pref() {
|
||||
test_cipher_on_target "$sslcommand"
|
||||
local success=$?
|
||||
# If the connection succeeded with the current cipher, benchmark and store
|
||||
if [ $success -eq 0 ]; then
|
||||
if [[ $success -eq 0 ]]; then
|
||||
cipherspref=("${cipherspref[@]}" "$result")
|
||||
ciphercertificates=("${ciphercertificates[@]}" "$certificates")
|
||||
pciph=($result)
|
||||
@ -634,14 +641,14 @@ display_results_in_terminal() {
|
||||
for cipher in "${cipherspref[@]}"; do
|
||||
# get first in array
|
||||
pciph=($cipher)
|
||||
if [ $DOBENCHMARK -eq 1 ]; then
|
||||
if [[ $DOBENCHMARK -eq 1 ]]; then
|
||||
bench_cipher "$pciph"
|
||||
r="$ctr $cipher $cipherbenchms"
|
||||
else
|
||||
r="$ctr $cipher"
|
||||
fi
|
||||
local cipher_data=($cipher)
|
||||
if [ $ctr -eq 1 ]; then
|
||||
if [[ $ctr -eq 1 ]]; then
|
||||
pubkey="${cipher_data[2]}"
|
||||
sigalg="${cipher_data[3]}"
|
||||
trusted="${cipher_data[4]}"
|
||||
@ -651,19 +658,19 @@ display_results_in_terminal() {
|
||||
curvesordering="${cipher_data[9]}"
|
||||
fi
|
||||
else
|
||||
if [ "$pubkey" != "${cipher_data[2]}" ]; then
|
||||
if [[ "$pubkey" != "${cipher_data[2]}" ]]; then
|
||||
different=True
|
||||
fi
|
||||
if [ "$sigalg" != "${cipher_data[3]}" ]; then
|
||||
if [[ "$sigalg" != "${cipher_data[3]}" ]]; then
|
||||
different=True
|
||||
fi
|
||||
if [ "$trusted" != "${cipher_data[4]}" ]; then
|
||||
if [[ "$trusted" != "${cipher_data[4]}" ]]; then
|
||||
different=True
|
||||
fi
|
||||
if [ "$tickethint" != "${cipher_data[5]}" ]; then
|
||||
if [[ "$tickethint" != "${cipher_data[5]}" ]]; then
|
||||
different=True
|
||||
fi
|
||||
if [ "$ocspstaple" != "${cipher_data[6]}" ]; then
|
||||
if [[ "$ocspstaple" != "${cipher_data[6]}" ]]; then
|
||||
different=True
|
||||
fi
|
||||
if [[ "$curvesordering" == "" && "${cipher_data[9]}" != "" ]]; then
|
||||
@ -678,26 +685,26 @@ display_results_in_terminal() {
|
||||
done
|
||||
|
||||
header="prio ciphersuite protocols"
|
||||
if [ $different == "True" ]; then
|
||||
if [[ $different == "True" ]]; then
|
||||
header+=" pubkey_size signature_algoritm trusted ticket_hint ocsp_staple"
|
||||
fi
|
||||
header+=" pfs"
|
||||
if [ $has_curves == "True" ]; then
|
||||
if [[ $has_curves == "True" ]]; then
|
||||
header+=" curves"
|
||||
if [[ $TEST_CURVES == "True" && $different == "True" ]]; then
|
||||
header+=" curves_ordering"
|
||||
fi
|
||||
fi
|
||||
if [ $DOBENCHMARK -eq 1 ]; then
|
||||
if [[ $DOBENCHMARK -eq 1 ]]; then
|
||||
header+=" avg_handshake_microsec"
|
||||
fi
|
||||
ctr=0
|
||||
for result in "${results[@]}"; do
|
||||
if [ $ctr -eq 0 ]; then
|
||||
if [[ $ctr -eq 0 ]]; then
|
||||
echo $header
|
||||
ctr=$((ctr+1))
|
||||
fi
|
||||
if [ $different == "True" ]; then
|
||||
if [[ $different == "True" ]]; then
|
||||
echo $result|grep -v '(NONE)'
|
||||
else
|
||||
# prints priority, ciphersuite, protocols and pfs
|
||||
@ -705,8 +712,8 @@ display_results_in_terminal() {
|
||||
fi
|
||||
done|column -t
|
||||
echo
|
||||
if [ $different != "True" ]; then
|
||||
if [ "$trusted" == "True" ]; then
|
||||
if [[ $different != "True" ]]; then
|
||||
if [[ "$trusted" == "True" ]]; then
|
||||
echo "Certificate: trusted, $pubkey bit, $sigalg signature"
|
||||
else
|
||||
echo "Certificate: UNTRUSTED, $pubkey bit, $sigalg signature"
|
||||
@ -723,7 +730,7 @@ display_results_in_terminal() {
|
||||
else
|
||||
echo "Cipher ordering: client"
|
||||
fi
|
||||
if [ $TEST_CURVES == "True" ]; then
|
||||
if [[ $TEST_CURVES == "True" ]]; then
|
||||
echo "Curves ordering: $curvesordering"
|
||||
echo "Curves fallback: $fallback_supported"
|
||||
fi
|
||||
@ -746,7 +753,7 @@ display_results_in_json() {
|
||||
echo -n "{\"target\":\"$TARGET\",\"utctimestamp\":\"$(date -u '+%FT%T.0Z')\",\"serverside\":\"${serverside}\",\"ciphersuite\": ["
|
||||
for cipher in "${cipherspref[@]}"; do
|
||||
local cipher_arr=($cipher)
|
||||
[ $ctr -gt 0 ] && echo -n ','
|
||||
[[ $ctr -gt 0 ]] && echo -n ','
|
||||
echo -n "{\"cipher\":\"${cipher_arr[0]}\","
|
||||
echo -n "\"protocols\":[\"${cipher_arr[1]//,/\",\"}\"],"
|
||||
echo -n "\"pubkey\":[\"${cipher_arr[2]//,/\",\"}\"],"
|
||||
@ -758,12 +765,12 @@ display_results_in_json() {
|
||||
echo -n "\"ticket_hint\":\"${cipher_arr[5]}\","
|
||||
echo -n "\"ocsp_stapling\":\"${cipher_arr[6]}\","
|
||||
pfs="${cipher_arr[7]}"
|
||||
[ "$pfs" == "" ] && pfs="None"
|
||||
[[ "$pfs" == "" ]] && pfs="None"
|
||||
echo -n "\"pfs\":\"$pfs\""
|
||||
if [[ "${cipher_arr[0]}" =~ ECDH ]]; then
|
||||
echo -n ","
|
||||
echo -n "\"curves\":[\"${cipher_arr[8]//,/\",\"}\"]"
|
||||
if [ $TEST_CURVES == "True" ]; then
|
||||
if [[ $TEST_CURVES == "True" ]]; then
|
||||
echo -n ","
|
||||
echo -n "\"curves_ordering\":\"${cipher_arr[9]}\""
|
||||
fi
|
||||
@ -772,14 +779,14 @@ display_results_in_json() {
|
||||
ctr=$((ctr+1))
|
||||
done
|
||||
echo -n ']'
|
||||
if [ $TEST_CURVES == "True" ]; then
|
||||
if [[ $TEST_CURVES == "True" ]]; then
|
||||
echo -n ",\"curves_fallback\":\"$fallback_supported\""
|
||||
fi
|
||||
echo -n ',"configs":{'
|
||||
ctr=0
|
||||
for test_name in "${!tls_tolerance[@]}"; do
|
||||
local result=(${tls_tolerance[$test_name]})
|
||||
[ $ctr -gt 0 ] && echo -n ","
|
||||
[[ $ctr -gt 0 ]] && echo -n ","
|
||||
echo -n "\"$test_name\":{"
|
||||
if [[ ${result[0]} == "False" ]]; then
|
||||
echo -n "\"tolerant\":\"False\""
|
||||
@ -826,15 +833,15 @@ test_serverside_ordering() {
|
||||
fi
|
||||
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
if [ -n "$CAPATH" ]; then
|
||||
if [[ -n "$CAPATH" ]]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
elif [[ -e "$CACERTS" ]]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
fi
|
||||
sslcommand+=" -status $SCLIENTARGS -connect $TARGET -cipher $ciphersuite"
|
||||
|
||||
test_cipher_on_target "$sslcommand"
|
||||
if [ $? -ne 0 ]; then
|
||||
if [[ $? -ne 0 ]]; then
|
||||
serverside="True"
|
||||
else
|
||||
local selected=($result)
|
||||
@ -847,9 +854,6 @@ test_serverside_ordering() {
|
||||
}
|
||||
|
||||
test_curves() {
|
||||
# "True" if server supports ciphers that don't use ECC at a lower priority
|
||||
local fallback_available="False"
|
||||
|
||||
# return variable: list of curves supported by server, in order
|
||||
current_curves=""
|
||||
# return variable: check if server uses server side or client side ordering
|
||||
@ -866,9 +870,9 @@ test_curves() {
|
||||
# prepare the ssl command we'll be using
|
||||
local sslcommand=""
|
||||
sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
if [ -n "$CAPATH" ]; then
|
||||
if [[ -n "$CAPATH" ]]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
elif [[ -e "$CACERTS" ]]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
fi
|
||||
sslcommand+=" -status $SCLIENTARGS -connect $TARGET -cipher $current_cipher"
|
||||
@ -900,7 +904,7 @@ test_curves() {
|
||||
local ephem_data=(${current_pfs//,/ })
|
||||
local cname=""
|
||||
if [[ ${ephem_data[0]} =~ ECDH ]]; then
|
||||
if [ "$current_curves" != "" ]; then
|
||||
if [[ "$current_curves" != "" ]]; then
|
||||
current_curves+=","
|
||||
fi
|
||||
cname="$(get_curve_name ${ephem_data[1]})"
|
||||
@ -908,14 +912,14 @@ test_curves() {
|
||||
current_curves+="$cname"
|
||||
fi
|
||||
for id in "${!curves[@]}"; do
|
||||
if [ "$cname" == ${curves[$id]} ]; then
|
||||
if [[ "$cname" == ${curves[$id]} ]]; then
|
||||
# we know it's supported, remove it from set of offered ones
|
||||
unset curves[$id]
|
||||
break
|
||||
fi
|
||||
done
|
||||
fi
|
||||
[ "$OUTPUTFORMAT" == "terminal" ] && [ $DEBUG -lt 1 ] && echo -n '.'
|
||||
[[ "$OUTPUTFORMAT" == "terminal" ]] && [[ $DEBUG -lt 1 ]] && echo -n '.'
|
||||
done
|
||||
|
||||
# don't penalize servers that will negotiate all curves we know of...
|
||||
@ -928,11 +932,11 @@ test_curves() {
|
||||
#
|
||||
|
||||
local tmp_curves=(${current_curves//,/ })
|
||||
verbose "Server supported curves: ${tmp_curves[@]}"
|
||||
verbose "Server supported curves: ${tmp_curves[*]}"
|
||||
|
||||
# server supports just one or none, so it effectively uses server side
|
||||
# ordering (as it dictates what curves client must support)
|
||||
if [ ${#tmp_curves[@]} -lt 2 ]; then
|
||||
if [[ ${#tmp_curves[@]} -lt 2 ]]; then
|
||||
curves_ordering="server"
|
||||
else
|
||||
# server supports at least 2 curves, rotate their order, see if
|
||||
@ -955,13 +959,13 @@ test_curves() {
|
||||
else
|
||||
local ephem_data=(${current_pfs//,/ })
|
||||
verbose "Server selected $current_cipher with $current_pfs"
|
||||
verbose "ephem_data: ${ephem_data[@]}"
|
||||
verbose "ephem_data: ${ephem_data[*]}"
|
||||
|
||||
if [[ ${ephem_data[0]} =~ ECDH ]]; then
|
||||
verbose "Server did select ${ephem_data[1]} curve"
|
||||
curves_ordering="inconclusive-${ephem_data[1]}"
|
||||
local cname="$(get_curve_name ${ephem_data[1]})"
|
||||
if [ "$cname" == "$most_wanted" ]; then
|
||||
if [[ "$cname" == "$most_wanted" ]]; then
|
||||
curves_ordering="client"
|
||||
else
|
||||
curves_ordering="server"
|
||||
@ -975,13 +979,11 @@ test_curves() {
|
||||
}
|
||||
|
||||
test_curves_fallback() {
|
||||
# "True" if server supports ciphers that don't use ECC at a lower priority
|
||||
local fallback_available="False"
|
||||
# return variable: whatever a server will fall back to non ECC suite when
|
||||
# client doesn't advertise support for curves the server needs
|
||||
fallback_supported="unknown"
|
||||
|
||||
if [ "$ecc_ciphers" == "" ]; then
|
||||
if [[ "$ecc_ciphers" == "" ]]; then
|
||||
verbose "No ECC cipher found, can't test curve fallback"
|
||||
return
|
||||
fi
|
||||
@ -989,9 +991,9 @@ test_curves_fallback() {
|
||||
# prepare the ssl command we'll be using
|
||||
local sslcommand=""
|
||||
sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
if [ -n "$CAPATH" ]; then
|
||||
if [[ -n "$CAPATH" ]]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
elif [[ -e "$CACERTS" ]]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
fi
|
||||
sslcommand+=" -status $SCLIENTARGS -connect $TARGET -cipher $ecc_ciphers"
|
||||
@ -1030,7 +1032,7 @@ test_curves_fallback() {
|
||||
local cname="$(get_curve_name ${ephem_data[1]})"
|
||||
verbose "Server selected curve $cname"
|
||||
for id in "${!curves[@]}"; do
|
||||
if [ "${curves[id]}" == "$cname" ]; then
|
||||
if [[ "${curves[id]}" == "$cname" ]]; then
|
||||
unset curves[$id]
|
||||
break
|
||||
fi
|
||||
@ -1083,9 +1085,9 @@ test_tls_tolerance() {
|
||||
# cipher string and no options are specified)
|
||||
#
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
if [ -n "$CAPATH" ]; then
|
||||
if [[ -n "$CAPATH" ]]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
elif [[ -e "$CACERTS" ]]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
fi
|
||||
sslcommand+=" -connect $TARGET -cipher $CIPHERSUITE"
|
||||
@ -1111,9 +1113,9 @@ test_tls_tolerance() {
|
||||
IFS="$OLDIFS"
|
||||
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
if [ -n "$CAPATH" ]; then
|
||||
if [[ -n "$CAPATH" ]]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
elif [[ -e "$CACERTS" ]]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
fi
|
||||
sslcommand+=" -connect $TARGET -cipher $ciphers"
|
||||
@ -1185,9 +1187,9 @@ test_tls_tolerance() {
|
||||
IFS="$OLDIFS"
|
||||
|
||||
local sslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client"
|
||||
if [ -n "$CAPATH" ]; then
|
||||
if [[ -n "$CAPATH" ]]; then
|
||||
sslcommand+=" -CApath $CAPATH -showcerts"
|
||||
elif [ -e "$CACERTS" ]; then
|
||||
elif [[ -e "$CACERTS" ]]; then
|
||||
sslcommand+=" -CAfile $CACERTS"
|
||||
fi
|
||||
sslcommand+=" $SCLIENTARGS -connect $TARGET -cipher $ciphers:!SSLv2"
|
||||
@ -1269,8 +1271,8 @@ test_tls_tolerance() {
|
||||
}
|
||||
|
||||
# If no options are given, give usage information and exit (with error code)
|
||||
if [ $# -eq 0 ]; then
|
||||
usage;
|
||||
if [[ $# -eq 0 ]]; then
|
||||
usage
|
||||
exit 1
|
||||
fi
|
||||
|
||||
@ -1353,7 +1355,7 @@ HOST=$(sed -e 's/:.*//'<<<"${TEMPTARGET}")
|
||||
PORT=$(sed -e 's/.*://'<<<"${TEMPTARGET}")
|
||||
|
||||
# Default to https if no port given
|
||||
if [ "$HOST" = "$PORT" ]; then
|
||||
if [[ "$HOST" = "$PORT" ]]; then
|
||||
PORT=443
|
||||
fi
|
||||
|
||||
@ -1364,22 +1366,22 @@ TARGET=$HOST:$PORT
|
||||
debug "target: $TARGET"
|
||||
|
||||
# test our openssl is usable
|
||||
if [ ! -x $OPENSSLBIN ]; then
|
||||
if [[ ! -x $OPENSSLBIN ]]; then
|
||||
OPENSSLBIN=$(which openssl)
|
||||
if [ "$OUTPUTFORMAT" == "terminal" ]; then
|
||||
if [[ "$OUTPUTFORMAT" == "terminal" ]]; then
|
||||
echo "custom openssl not executable, falling back to system one from $OPENSSLBIN"
|
||||
fi
|
||||
fi
|
||||
|
||||
if [ $TEST_CURVES == "True" ]; then
|
||||
if [ ! -z "$($OPENSSLBIN s_client -curves 2>&1|head -1|grep 'unknown option')" ]; then
|
||||
if [[ $TEST_CURVES == "True" ]]; then
|
||||
if [[ ! -z "$($OPENSSLBIN s_client -curves 2>&1|head -1|grep 'unknown option')" ]]; then
|
||||
echo "curves testing not available with your version of openssl, disabling it"
|
||||
TEST_CURVES="False"
|
||||
fi
|
||||
fi
|
||||
|
||||
if [ $VERBOSE != 0 ] ; then
|
||||
[ -n "$CACERTS" ] && echo "Using trust anchors from $CACERTS"
|
||||
if [[ $VERBOSE != 0 ]] ; then
|
||||
[[ -n "$CACERTS" ]] && echo "Using trust anchors from $CACERTS"
|
||||
echo "Loading $($OPENSSLBIN ciphers -v $CIPHERSUITE 2>/dev/null|grep Kx|wc -l) ciphersuites from $(echo -n $($OPENSSLBIN version 2>/dev/null))"
|
||||
$OPENSSLBIN ciphers ALL 2>/dev/null
|
||||
fi
|
||||
@ -1388,7 +1390,7 @@ SCLIENTARGS=$(sed -e s,${TEMPTARGET},,<<<"${@}")
|
||||
debug "sclientargs: $SCLIENTARGS"
|
||||
|
||||
|
||||
cipherspref=();
|
||||
cipherspref=()
|
||||
ciphercertificates=()
|
||||
results=()
|
||||
|
||||
@ -1419,7 +1421,7 @@ if [[ $TEST_CURVES == "True" ]]; then
|
||||
test_curves_fallback
|
||||
fi
|
||||
|
||||
if [ "$OUTPUTFORMAT" == "json" ]; then
|
||||
if [[ "$OUTPUTFORMAT" == "json" ]]; then
|
||||
display_results_in_json
|
||||
else
|
||||
echo
|
||||
@ -1427,13 +1429,13 @@ else
|
||||
fi
|
||||
|
||||
# If asked, test every single cipher individually
|
||||
if [ $ALLCIPHERS -gt 0 ]; then
|
||||
if [[ $ALLCIPHERS -gt 0 ]]; then
|
||||
echo; echo "All accepted ciphersuites"
|
||||
for c in $($OPENSSLBIN ciphers -v ALL:COMPLEMENTOFALL 2>/dev/null |awk '{print $1}'|sort|uniq); do
|
||||
r="fail"
|
||||
osslcommand="$TIMEOUTBIN $TIMEOUT $OPENSSLBIN s_client $SCLIENTARGS -connect $TARGET -cipher $c"
|
||||
test_cipher_on_target "$osslcommand"
|
||||
if [ $? -eq 0 ]; then
|
||||
if [[ $? -eq 0 ]]; then
|
||||
r="pass"
|
||||
fi
|
||||
echo "$c $r"|awk '{printf "%-35s %s\n",$1,$2}'
|
||||
|
||||
Loading…
Reference in New Issue
Block a user