Merge branch 'master' into version_negotiation
This commit is contained in:
David Cooper
commit
ec8420144d
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@ -1,4 +1,8 @@
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**Note: new, improved binaries (1.0.2i, compiled from a snapshot from Peter Mosman's fork: https://github.com/drwetter/openssl) will come soon. Have a look @ https://testssl.sh/**
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Binaries
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========
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145
testssl.sh
145
testssl.sh
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@ -151,6 +151,7 @@ JSONFILE=${JSONFILE:-""} # jsonfile if used
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CSVFILE=${CSVFILE:-""} # csvfile if used
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HAS_IPv6=${HAS_IPv6:-false} # if you have OpenSSL with IPv6 support AND IPv6 networking set it to yes
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UNBRACKTD_IPV6=${UNBRACKTD_IPV6:-false} # some versions of OpenSSL (like Gentoo) don't support [bracketed] IPv6 addresses
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SIZELMT_W_ARND=${SIZELMT_W_ARND:-false} # workaround for servers which have either a ClientHello total size limit or cipher limit of ~128 ciphers (e.g. old ASAs)
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# tuning vars, can not be set by a cmd line switch
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EXPERIMENTAL=${EXPERIMENTAL:-false}
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@ -2810,6 +2811,75 @@ run_server_preference() {
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return 0
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}
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check_tls12_pref() {
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local batchremoved="-CAMELLIA:-IDEA:-KRB5:-PSK:-SRP:-aNULL:-eNULL"
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local batchremoved_success=false
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local tested_cipher="-$1"
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local order="$1"
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while true; do
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$OPENSSL s_client $STARTTLS -tls1_2 $BUGS -cipher "ALL:$tested_cipher:$batchremoved" -connect $NODEIP:$PORT $PROXY $SNI </dev/null 2>>$ERRFILE >$TMPFILE
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if sclient_connect_successful $? $TMPFILE ; then
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cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
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order+=" $cipher"
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tested_cipher="$tested_cipher:-$cipher"
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else
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debugme outln "A: $tested_cipher"
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break
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fi
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done
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batchremoved="${batchremoved//-/}"
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while true; do
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# no ciphers from "ALL:$tested_cipher:$batchremoved" left
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# now we check $batchremoved, and remove the minus signs first:
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$OPENSSL s_client $STARTTLS -tls1_2 $BUGS -cipher "$batchremoved" -connect $NODEIP:$PORT $PROXY $SNI </dev/null 2>>$ERRFILE >$TMPFILE
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if sclient_connect_successful $? $TMPFILE ; then
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batchremoved_success=true # signals that we have some of those ciphers and need to put everything together later on
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cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
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order+=" $cipher"
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batchremoved="$batchremoved:-$cipher"
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debugme outln "B1: $batchremoved"
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else
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debugme outln "B2: $batchremoved"
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break
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# nothing left with batchremoved ciphers, we need to put everything together
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fi
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done
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if "$batchremoved_success"; then
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# now we combine the two cipher sets from both while loops
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combined_ciphers="${order// /:}"
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$OPENSSL s_client $STARTTLS -tls1_2 $BUGS -cipher "$combined_ciphers" -connect $NODEIP:$PORT $PROXY $SNI </dev/null 2>>$ERRFILE >$TMPFILE
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if sclient_connect_successful $? $TMPFILE ; then
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# first cipher
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cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
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order="$cipher"
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tested_cipher="-$cipher"
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else
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pr_warningln "fixme: something weird happened around line $((LINENO - 6))"
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return 1
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fi
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while true; do
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$OPENSSL s_client $STARTTLS -tls1_2 $BUGS -cipher "$combined_ciphers:$tested_cipher" -connect $NODEIP:$PORT $PROXY $SNI </dev/null 2>>$ERRFILE >$TMPFILE
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if sclient_connect_successful $? $TMPFILE ; then
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cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
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order+=" $cipher"
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tested_cipher="$tested_cipher:-$cipher"
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else
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# nothing left, we're done
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out " $order"
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break
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fi
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done
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else
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# second cipher set didn't succeed: we can just output everything
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out " $order"
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fi
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return 0
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}
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cipher_pref_check() {
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local p proto protos npn_protos
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local tested_cipher cipher order
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@ -2831,19 +2901,28 @@ cipher_pref_check() {
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tested_cipher=""
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proto=$(grep -aw "Protocol" $TMPFILE | sed -e 's/^.*Protocol.*://' -e 's/ //g')
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cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
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[[ -z "$proto" ]] && continue # for early openssl versions sometimes needed
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[[ -z "$proto" ]] && continue # for early openssl versions sometimes needed
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outln
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printf " %-10s %s " "$proto:" "$cipher"
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printf " %-10s" "$proto: "
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tested_cipher="-"$cipher
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order="$cipher"
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while true; do
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$OPENSSL s_client $STARTTLS -"$p" $BUGS -cipher "ALL:$tested_cipher" -connect $NODEIP:$PORT $PROXY $SNI </dev/null 2>>$ERRFILE >$TMPFILE
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sclient_connect_successful $? $TMPFILE || break
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cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
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out "$cipher "
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order+=" $cipher"
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tested_cipher="$tested_cipher:-$cipher"
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done
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if [[ $p == tls1_2 ]] && "$SIZELMT_W_ARND"; then
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# for some servers the ServerHello is limited to 128 ciphers or the ServerHello itself has a length restriction
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# thus we reduce the number of ciphers we throw at the server and put later everything together
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# see #189
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# so far, this was only observed in TLS 1.2
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check_tls12_pref "$cipher"
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else
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out " $cipher" # this is the first cipher for protocol
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while true; do
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$OPENSSL s_client $STARTTLS -"$p" $BUGS -cipher "ALL:$tested_cipher" -connect $NODEIP:$PORT $PROXY $SNI </dev/null 2>>$ERRFILE >$TMPFILE
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sclient_connect_successful $? $TMPFILE || break
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cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
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out " $cipher"
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order+=" $cipher"
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tested_cipher="$tested_cipher:-$cipher"
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done
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fi
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fi
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[[ -z "$order" ]] || fileout "order_$p" "INFO" "Default cipher order for protocol $p: $order"
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done
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@ -2857,7 +2936,7 @@ cipher_pref_check() {
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order=""
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$OPENSSL s_client -host $NODE -port $PORT $BUGS -nextprotoneg "$p" $PROXY </dev/null 2>>$ERRFILE >$TMPFILE
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cipher=$(grep -aw "Cipher" $TMPFILE | egrep -avw "New|is" | sed -e 's/^.*Cipher.*://' -e 's/ //g')
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printf " %-10s %s " "$p:" "$cipher"
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printf " %-10s %s " "$p:" "$cipher"
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tested_cipher="-"$cipher
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order="$cipher"
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while true; do
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@ -3159,6 +3238,8 @@ certificate_info() {
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local expfinding expok="OK"
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local json_prefix="" # string to place at beginng of JSON IDs when there is more than one certificate
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local indent=""
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local days2warn2=$DAYS2WARN2
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local days2warn1=$DAYS2WARN1
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if [[ $number_of_certificates -gt 1 ]]; then
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[[ $certificate_number -eq 1 ]] && outln
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@ -3254,7 +3335,7 @@ certificate_info() {
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*)
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out "RSASSA-PSS with $cert_sig_hash_algo"
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pr_warningln " (Unknown hash algorithm)"
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fileout "${json_prefix}algorithm" "WARN" "Signature Algorithm: RSASSA-PSS with $cert_sig_hash_algo"
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fileout "${json_prefix}algorithm" "DEBUG" "Signature Algorithm: RSASSA-PSS with $cert_sig_hash_algo"
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esac
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;;
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md2*)
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@ -3271,9 +3352,9 @@ certificate_info() {
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;;
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*)
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out "$cert_sig_algo ("
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pr_warning "Unknown"
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pr_warning "FIXME: is unknown"
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outln ")"
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fileout "${json_prefix}algorithm" "WARN" "Signature Algorithm: $sign_algo"
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fileout "${json_prefix}algorithm" "DEBUG" "Signature Algorithm: $sign_algo"
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;;
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esac
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# old, but interesting: https://blog.hboeck.de/archives/754-Playing-with-the-EFF-SSL-Observatory.html
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@ -3283,6 +3364,13 @@ certificate_info() {
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outln "(couldn't determine)"
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fileout "${json_prefix}key_size" "WARN" "Server keys size cannot be determined"
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else
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case $cert_key_algo in
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*RSA*|*rsa*) out "RSA ";;
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*DSA*|*dsa*) out "DSA ";;
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*ecdsa*|*ecPublicKey) out "ECDSA ";;
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*GOST*|*gost*) out "GOST ";;
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*) pr_warning "fixme: $cert_key_algo " ;;
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esac
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# https://tools.ietf.org/html/rfc4492, http://www.keylength.com/en/compare/
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# http://infoscience.epfl.ch/record/164526/files/NPDF-22.pdf
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# see http://csrc.nist.gov/publications/nistpubs/800-57/sp800-57_part1_rev3_general.pdf
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@ -3334,7 +3422,7 @@ certificate_info() {
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fi
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else
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out "$cert_keysize bits ("
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pr_warning "can't tell whether $cert_keysize bits is good or not"
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pr_warning "FIXME: can't tell whether this is good here or not"
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outln ")"
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fileout "${json_prefix}key_size" "WARN" "Server keys $cert_keysize bits (unknown signature algorithm)"
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fi
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@ -3499,28 +3587,33 @@ certificate_info() {
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fi
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days2expire=$((days2expire / 3600 / 24 ))
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if grep -q "^Let's Encrypt Authority" <<< "$issuer_CN"; then # we take the half of the thresholds for LE certificates
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days2warn2=$((days2warn2 / 2))
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days2warn1=$((days2warn1 / 2))
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fi
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expire=$($OPENSSL x509 -in $HOSTCERT -checkend 1 2>>$ERRFILE)
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if ! echo $expire | grep -qw not; then
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pr_svrty_critical "expired!"
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expfinding="expired!"
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expok="NOT ok"
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else
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secs2warn=$((24 * 60 * 60 * DAYS2WARN2)) # low threshold first
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secs2warn=$((24 * 60 * 60 * days2warn2)) # low threshold first
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expire=$($OPENSSL x509 -in $HOSTCERT -checkend $secs2warn 2>>$ERRFILE)
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if echo "$expire" | grep -qw not; then
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secs2warn=$((24 * 60 * 60 * DAYS2WARN1))
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secs2warn=$((24 * 60 * 60 * days2warn1))
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expire=$($OPENSSL x509 -in $HOSTCERT -checkend $secs2warn 2>>$ERRFILE)
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if echo "$expire" | grep -qw not; then
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pr_done_good "$days2expire >= $DAYS2WARN1 days"
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expfinding+="$days2expire >= $DAYS2WARN1 days"
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pr_done_good "$days2expire >= $days2warn1 days"
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expfinding+="$days2expire >= $days2warn1 days"
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else
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pr_svrty_medium "expires < $DAYS2WARN1 days ($days2expire)"
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expfinding+="expires < $DAYS2WARN1 days ($days2expire)"
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pr_svrty_medium "expires < $days2warn1 days ($days2expire)"
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expfinding+="expires < $days2warn1 days ($days2expire)"
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expok="WARN"
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fi
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else
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pr_svrty_high "expires < $DAYS2WARN2 days ($days2expire) !"
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expfinding+="expires < $DAYS2WARN2 days ($days2expire) !"
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pr_svrty_high "expires < $days2warn2 days ($days2expire) !"
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expfinding+="expires < $days2warn2 days ($days2expire) !"
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expok="NOT ok"
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fi
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fi
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@ -6702,9 +6795,9 @@ display_rdns_etc() {
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outln
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fi
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if "$LOCAL_A"; then
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outln " A record via /etc/hosts "
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outln " A record via $CORRECT_SPACES /etc/hosts "
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elif [[ -n "$CMDLINE_IP" ]]; then
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outln " A record via supplied IP \"$CMDLINE_IP\""
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outln " A record via $CORRECT_SPACES supplied IP \"$CMDLINE_IP\""
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fi
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if [[ -n "$rDNS" ]]; then
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printf " %-23s %s" "rDNS ($nodeip):" "$rDNS"
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@ -7388,4 +7481,4 @@ fi
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exit $?
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# $Id: testssl.sh,v 1.491 2016/06/02 07:59:51 dirkw Exp $
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# $Id: testssl.sh,v 1.495 2016/06/07 11:02:57 dirkw Exp $
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