mirror of
https://github.com/drwetter/testssl.sh.git
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Merge branch 'master' into more_sslv2_sslv3_fixes
This commit is contained in:
David Cooper
commit
e8d10a5e05
102
testssl.sh
102
testssl.sh
@ -3874,7 +3874,7 @@ compare_server_name_to_cert()
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# Check whether any of the DNS names in the certificate match the servername
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dns_sans=$($OPENSSL x509 -in $cert -noout -text 2>>$ERRFILE | grep -A2 "Subject Alternative Name" | \
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tr '.' '\n' grep "DNS:" | sed -e 's/DNS://g' -e 's/ //g')
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tr ',' '\n' | grep "DNS:" | sed -e 's/DNS://g' -e 's/ //g')
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for san in $dns_sans; do
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[[ "$san" == "$servername" ]] && return 0
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# If $san is a wildcard name, then do a wildcard match
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@ -3902,7 +3902,8 @@ certificate_info() {
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local ocsp_response=$5
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local ocsp_response_status=$6
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local cert_sig_algo cert_sig_hash_algo cert_key_algo
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local expire days2expire secs2warn ocsp_uri crl startdate enddate issuer_C issuer_O issuer sans san cn cn_nosni
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local expire days2expire secs2warn ocsp_uri crl startdate enddate issuer_CN issuer_C issuer_O issuer sans san cn
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local cn_nosni=""
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local cert_fingerprint_sha1 cert_fingerprint_sha2 cert_fingerprint_serial
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local policy_oid
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local spaces=""
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@ -4142,8 +4143,10 @@ certificate_info() {
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# no cipher suites specified here. We just want the default vhost subject
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$OPENSSL s_client $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $OPTIMAL_PROTO 2>>$ERRFILE </dev/null | awk '/-----BEGIN/,/-----END/ { print $0 }' >$HOSTCERT.nosni
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if grep -q "\-\-\-\-\-BEGIN" "$HOSTCERT.nosni"; then
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cn_nosni="$(get_cn_from_cert "$HOSTCERT.nosni")"
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[[ -z "$cn_nosni" ]] && cn_nosni="no CN field in subject"
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fi
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#FIXME: check for SSLv3/v2 and look whether it goes to a different CN (probably not polite)
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@ -4208,7 +4211,7 @@ certificate_info() {
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issuer="$($OPENSSL x509 -in $HOSTCERT -noout -issuer -nameopt multiline,-align,sname,-esc_msb,utf8,-space_eq 2>>$ERRFILE)"
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issuer_CN="$(awk -F'=' '/CN=/ { print $2 }' <<< "$issuer")"
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issuer_O="$(awk -F'=' '/O=/ { print $2 }' <<< "$issuer")"
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issuer_C="$(awk -F'=' '/C=/ { print $2 }' <<< "$issuer")"
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issuer_C="$(awk -F'=' '/ C=/ { print $2 }' <<< "$issuer")"
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if [[ "$issuer_O" == "issuer=" ]] || [[ "$issuer_O" == "issuer= " ]] || [[ "$issuer_CN" == "$CN" ]]; then
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pr_svrty_criticalln "self-signed (NOT ok)"
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@ -4220,9 +4223,9 @@ certificate_info() {
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if [[ -n "$issuer_C" ]]; then
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out " from "
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pr_dquoted "$issuer_C"
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fileout "${json_prefix}issuer" "INFO" "Issuer: \"$issuer\" ( \"$issuer_O\" from \"$issuer_C\")"
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fileout "${json_prefix}issuer" "INFO" "Issuer: \"$issuer_CN\" ( \"$issuer_O\" from \"$issuer_C\")"
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else
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fileout "${json_prefix}issuer" "INFO" "Issuer: \"$issuer\" ( \"$issuer_O\" )"
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fileout "${json_prefix}issuer" "INFO" "Issuer: \"$issuer_CN\" ( \"$issuer_O\" )"
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fi
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outln ")"
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fi
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@ -4552,13 +4555,18 @@ run_server_defaults() {
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run_pfs() {
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local -i sclient_success
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local pfs_offered=false
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local pfs_offered=false ecdhe_offered=false
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local tmpfile
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local dhlen
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local hexcode dash pfs_cipher sslvers kx auth enc mac
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local hexcode dash pfs_cipher sslvers kx auth enc mac curve
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local pfs_cipher_list="$ROBUST_PFS_CIPHERS"
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local -i nr_supported_ciphers=0
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local pfs_ciphers
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local ecdhe_cipher_list=""
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local -a curves_ossl=("sect163k1" "sect163r1" "sect163r2" "sect193r1" "sect193r2" "sect233k1" "sect233r1" "sect239k1" "sect283k1" "sect283r1" "sect409k1" "sect409r1" "sect571k1" "sect571r1" "secp160k1" "secp160r1" "secp160r2" "secp192k1" "prime192v1" "secp224k1" "secp224r1" "secp256k1" "prime256v1" "secp384r1" "secp521r1" "brainpoolP256r1" "brainpoolP384r1" "brainpoolP512r1" "X25519" "X448")
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local -a curves_ossl_output=("K-163" "sect163r1" "B-163" "sect193r1" "sect193r2" "K-233" "B-233" "sect239k1" "K-283" "B-283" "K-409" "B-409" "K-571" "B-571" "secp160k1" "secp160r1" "secp160r2" "secp192k1" "P-192" "secp224k1" "P-224" "secp256k1" "P-256" "P-384" "P-521" "brainpoolP256r1" "brainpoolP384r1" "brainpoolP512r1" "X25519" "X448")
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local -a supported_curves=()
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local -i nr_supported_ciphers=0 nr_curves=0 i j low high
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local pfs_ciphers curves_offered curves_to_test temp
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local curve_found curve_used
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outln
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pr_headlineln " Testing robust (perfect) forward secrecy, (P)FS -- omitting Null Authentication/Encryption as well as 3DES and RC4 here "
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@ -4580,7 +4588,7 @@ run_pfs() {
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sclient_connect_successful $? $TMPFILE
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if [[ $? -ne 0 ]] || [[ $(grep -ac "BEGIN CERTIFICATE" $TMPFILE) -eq 0 ]]; then
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outln
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pr_svrty_mediumln "No ciphers supporting Forward Secrecy offered"
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pr_svrty_mediumln " No ciphers supporting Forward Secrecy offered"
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fileout "pfs" "MEDIUM" "(Perfect) Forward Secrecy : No ciphers supporting Forward Secrecy offered"
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else
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outln
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@ -4602,6 +4610,7 @@ run_pfs() {
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if [[ "$sclient_success" -ne 0 ]] && ! "$SHOW_EACH_C"; then
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continue # no successful connect AND not verbose displaying each cipher
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fi
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[[ "$sclient_success" -eq 0 ]] && [[ $pfs_cipher == "ECDHE-"* ]] && ecdhe_offered=true && ecdhe_cipher_list+=":$pfs_cipher"
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if "$WIDE"; then
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normalize_ciphercode $hexcode
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@ -4638,6 +4647,63 @@ run_pfs() {
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fileout "pfs_ciphers" "INFO" "(Perfect) Forward Secrecy Ciphers: $pfs_ciphers"
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fi
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fi
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if "$ecdhe_offered"; then
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# find out what elliptic curves are supported.
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curves_offered=""
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for curve in "${curves_ossl[@]}"; do
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$OPENSSL ecparam -list_curves | grep -q $curve
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[[ $? -eq 0 ]] && nr_curves+=1 && supported_curves+=("$curve")
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done
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# OpenSSL limits the number of curves that can be specified in the
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# "-curves" option to 28. So, the list is broken in two since there
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# are currently 30 curves defined.
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for i in 1 2; do
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case $i in
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1) low=0; high=$nr_curves/2 ;;
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2) low=$nr_curves/2; high=$nr_curves ;;
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esac
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sclient_success=0
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while [[ "$sclient_success" -eq 0 ]]; do
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curves_to_test=""
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for (( j=low; j < high; j++ )); do
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[[ ! " $curves_offered " =~ " ${supported_curves[j]} " ]] && curves_to_test+=":${supported_curves[j]}"
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done
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if [[ -n "$curves_to_test" ]]; then
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$OPENSSL s_client -cipher "${ecdhe_cipher_list:1}" -curves "${curves_to_test:1}" $STARTTLS $BUGS -connect $NODEIP:$PORT $PROXY $SNI &>$tmpfile </dev/null
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sclient_connect_successful $? $tmpfile
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sclient_success=$?
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else
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sclient_success=1
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fi
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if [[ "$sclient_success" -eq 0 ]]; then
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temp=$(awk -F': ' '/^Server Temp Key/ { print $2 }' "$tmpfile")
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curve_found="$(awk -F', ' '{ print $2 }' <<< $temp)"
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j=0; curve_used=""
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for curve in "${curves_ossl[@]}"; do
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[[ "${curves_ossl_output[j]}" == "$curve_found" ]] && curve_used="${curves_ossl[j]}" && break
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j+=1
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done
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if [[ -n "$curve_used" ]]; then
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curves_offered+="$curve "
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else
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sclient_success=1
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fi
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fi
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done
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done
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# Reorder list of curves that were found to match their ordering in NamedCurve
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curve_found=""
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for curve in "${curves_ossl[@]}"; do
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[[ " $curves_offered " =~ " $curve " ]] && curve_found+="$curve "
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done
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if [[ -n "$curves_offered" ]]; then
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"$WIDE" && outln
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pr_bold " Elliptic curves offered: "; outln "$curves_offered"
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fileout "ecdhe_curves" "INFO" "Elliptic curves offered $curves_offered"
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fi
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fi
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outln
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tmpfile_handle $FUNCNAME.txt
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@ -5459,10 +5525,10 @@ socksend_tls_clienthello() {
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extensions_ecc="
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00, 0a, # Type: Supported Elliptic Curves , see RFC 4492
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00, 3e, 00, 3c, # lengths
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00, 01, 00, 02, 00, 03, 00, 04, 00, 05, 00, 06, 00, 07, 00, 08,
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00, 09, 00, 0a, 00, 0b, 00, 0c, 00, 0d, 00, 0e, 00, 0f, 00, 10,
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00, 11, 00, 12, 00, 13, 00, 14, 00, 15, 00, 16, 00, 17, 00, 18,
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00, 19, 00, 1a, 00, 1b, 00, 1c, 00, 1d, 00, 1e,
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00, 0e, 00, 0d, 00, 19, 00, 1c, 00, 1e, 00, 0b, 00, 0c, 00, 1b,
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00, 18, 00, 09, 00, 0a, 00, 1a, 00, 16, 00, 17, 00, 1d, 00, 08,
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00, 06, 00, 07, 00, 14, 00, 15, 00, 04, 00, 05, 00, 12, 00, 13,
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00, 01, 00, 02, 00, 03, 00, 0f, 00, 10, 00, 11,
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00, 0b, # Type: Supported Point Formats , see RFC 4492
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00, 02, # len
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01, 00"
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@ -6827,7 +6893,11 @@ check4openssl_oldfarts() {
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# FreeBSD needs to have /dev/fd mounted. This is a friendly hint, see #258
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check_bsd_mount() {
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if [[ "$(uname)" == FreeBSD ]]; then
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if ! mount | grep '/dev/fd' | grep -q fdescfs; then
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if ! mount | grep -q "^devfs"; then
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outln "you seem to run $PROG_NAME= in a jail. Hopefully you're did \"mount -t fdescfs fdesc /dev/fd\""
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elif mount | grep '/dev/fd' | grep -q fdescfs; then
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:
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else
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fatal "You need to mount fdescfs on FreeBSD: \"mount -t fdescfs fdesc /dev/fd\"" -3
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fi
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fi
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@ -8350,4 +8420,4 @@ fi
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exit $?
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# $Id: testssl.sh,v 1.523 2016/07/11 14:20:35 dirkw Exp $
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# $Id: testssl.sh,v 1.527 2016/07/20 15:36:50 dirkw Exp $
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