mirror of
https://github.com/drwetter/testssl.sh.git
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Merge pull request #1741 from drwetter/intermediate_cert_improvements
Intermediate cert improvements
This commit is contained in:
Dirk Wetter
@@ -6,6 +6,7 @@
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use strict;
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use Test::More;
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use Data::Dumper;
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use Text::Diff;
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my $tests = 0;
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my $prg="./testssl.sh";
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@@ -15,7 +16,7 @@ my $html="";
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my $debughtml="";
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my $edited_html="";
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my $check2run="--ip=one --color 0 --htmlfile tmp.html";
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my $diff="";
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die "Unable to open $prg" unless -f $prg;
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printf "\n%s\n", "Doing HTML output checks";
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@@ -47,6 +48,9 @@ $edited_html =~ s/'/'/g;
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cmp_ok($edited_html, "eq", $out, "HTML file matches terminal output");
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$tests++;
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$diff = diff \$edited_html, \$out;
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printf "\n%s\n", "$diff";
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#2
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printf "\n%s\n", " .. running again $prg against \"$uri\", now with --debug 4 to create HTML output (may take another ~2 minutes)";
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# Redirect stderr to /dev/null in order to avoid some unexplained "date: invalid date" error messages
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@@ -72,5 +76,10 @@ $debughtml =~ s/.*DEBUG:.*\n//g;
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cmp_ok($debughtml, "eq", $html, "HTML file created with --debug 4 matches HTML file created without --debug");
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$tests++;
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$diff = diff \$debughtml, \$html;
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printf "\n%s\n", "$diff";
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printf "\n";
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done_testing($tests);
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472
testssl.sh
472
testssl.sh
@@ -1992,10 +1992,10 @@ elif "$HAS_FREEBSDDATE"; then # FreeBSD, OS X and newer (~6.6) OpenBSD vers
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LC_ALL=C TZ=GMT date -j -f "$3" "$2" "$1"
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}
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elif "$HAS_OPENBSDDATE"; then
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# We bascially echo it as a conversion as we want it is too difficult. Approach for that would be:
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# printf '%s\n' "$1" | awk '{ printf "%04d%02d%02d\n", $4, $2, (index("JanFebMarAprMayJunJulAugSepOctNovDec",$1)+2)/3}'
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# 4: year, 1: month, 2: day, $3: time (e.g. "Dec 8 10:16:13 2016")
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# This way we could also kind of convert args to epoch but as newer OpenBSDs "date" behave like FreeBSD
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# We bascially echo it as a conversion as we want it is too difficult. Approach for that would be:
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# printf '%s\n' "$1" | awk '{ printf "%04d%02d%02d\n", $4, $2, (index("JanFebMarAprMayJunJulAugSepOctNovDec",$1)+2)/3}'
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# 4: year, 1: month, 2: day, $3: time (e.g. "Dec 8 10:16:13 2016")
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# This way we could also kind of convert args to epoch but as newer OpenBSDs "date" behave like FreeBSD
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parse_date() {
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local tmp=""
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if [[ $2 == +%s* ]]; then
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@@ -2011,8 +2011,9 @@ else
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}
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fi
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# arg1: An ASCII-HEX string
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# Print $arg1 in binary format
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# Print $arg1 in binary format. arg1: An ASCII-HEX string
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#
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asciihex_to_binary() {
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local string="$1"
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local -i len
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@@ -3567,7 +3568,7 @@ run_cipher_match(){
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hexc="${TLS_CIPHER_HEXCODE[i]}"
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if [[ ${#hexc} -eq 9 ]]; then
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hexcode[nr_ciphers]="${hexc:2:2},${hexc:7:2}"
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if [[ "${hexc:2:2}" == "00" ]]; then
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if [[ "${hexc:2:2}" == 00 ]]; then
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normalized_hexcode[nr_ciphers]="x${hexc:7:2}"
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else
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normalized_hexcode[nr_ciphers]="x${hexc:2:2}${hexc:7:2}"
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@@ -6468,9 +6469,8 @@ run_server_preference() {
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local cipher1="" cipher2="" tls13_cipher1="" tls13_cipher2="" default_proto=""
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local default_cipher=""
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local limitedsense="" supported_sslv2_ciphers
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local -a offered_cipher offered_proto
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local proto_ossl proto_txt proto_hex cipherlist i
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local -i ret=0 j sclient_success str_len
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local -i ret=0 j sclient_success
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local list_fwd="DHE-RSA-SEED-SHA:SEED-SHA:DES-CBC3-SHA:RC4-MD5:DES-CBC-SHA:RC4-SHA:AES128-SHA:AES128-SHA256:AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA:ECDH-RSA-DES-CBC3-SHA:ECDH-RSA-AES128-SHA:ECDH-RSA-AES256-SHA:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:DHE-DSS-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:AES256-SHA256:ECDHE-RSA-DES-CBC3-SHA:ECDHE-RSA-AES128-SHA256:AES256-GCM-SHA384:AES128-GCM-SHA256:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-SHA256:ADH-AES256-GCM-SHA384:AECDH-AES128-SHA:ECDHE-RSA-RC4-SHA:ECDHE-ECDSA-AES128-SHA"
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local list_reverse="ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-RC4-SHA:AECDH-AES128-SHA:ADH-AES256-GCM-SHA384:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-GCM-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-DES-CBC3-SHA:AES256-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-DSS-AES256-GCM-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDH-RSA-AES256-SHA:ECDH-RSA-AES128-SHA:ECDH-RSA-DES-CBC3-SHA:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA:ECDHE-RSA-AES128-SHA:AES256-SHA:AES128-SHA256:AES128-SHA:RC4-SHA:DES-CBC-SHA:RC4-MD5:DES-CBC3-SHA:SEED-SHA:DHE-RSA-SEED-SHA"
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tls_list_fwd="c0,2c, c0,30, 00,9f, cc,a9, cc,a8, cc,aa, c0,2b, c0,2f, 00,9e, c0,24, c0,28, 00,6b, c0,23, c0,27, 00,67, c0,0a, 00,04, 00,05, 00,09, 00,0a, 00,9a, 00,96,
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@@ -8044,7 +8044,7 @@ etsi_ets_visibility_info() {
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# external functions to obtain the DER encoded certficate.
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if [[ "$cert_txt" =~ X509v3\ Subject\ Alternative\ Name:.*othername:\<unsupported\> ]] || \
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[[ "$cert_txt" =~ X509v3\ Subject\ Alternative\ Name:.*othername:\ 0.4.0.3523.3.1 ]]; then
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dercert="$($OPENSSL x509 -in "$cert" -outform DER 2>>$ERRFILE | hexdump -v -e '16/1 "%02X"')"
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dercert="$($OPENSSL x509 -outform DER 2>>$ERRFILE <<< "$cert" | hexdump -v -e '16/1 "%02X"')"
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if [[ "$dercert" =~ 0603551D110101FF04[0-9A-F]*060604009B430301 ]] || \
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[[ "$dercert" =~ 0603551D1104[0-9A-F]*060604009B430301 ]]; then
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# Look for the beginning of the subjectAltName extension. It
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@@ -8317,6 +8317,75 @@ certificate_transparency() {
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return 0
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}
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# replacement for inline $OPENSSL x509 -noout -in $HOSTCERT -serial
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# and $OPENSSL x509 -noout -in $HOSTCERT -fingerprint -sha256/-sha1
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#
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determine_cert_fingerprint_serial() {
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local cert="$1"
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local ossl_command="$2"
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local result=""
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result="$($OPENSSL x509 -noout $ossl_command 2>>$ERRFILE <<< "$cert")"
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# remove strings in text output, colon only appear in fingerprints
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result="${result//Fingerprint=}"
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result="${result//serial=}"
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result="${result//:/}"
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result="${result//SHA1 /}"
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result="${result//SHA256 /}"
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safe_echo "$result"
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}
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# Returns startdate, enddate, diffseconds, days2expire as CSVs as strings
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# arg1: human readable text string for certificate (openssl x509 -text -noout)
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#
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determine_dates_certificate() {
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local cert_txt="$1"
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local startdate enddate yearnow y m d yearstart clockstart yearend clockend
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local diffseconds=0 days2expire=0
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local -i secsaday=86400
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startdate="${cert_txt#*Validity*Not Before: }"
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# FreeBSD + OSX can't swallow the leading blank:
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startdate="${startdate%%GMT*}GMT"
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enddate="${cert_txt#*Validity*Not Before: *Not After : }"
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enddate="${enddate%%GMT*}GMT"
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# Now we have a normalized enddate and startdate like "Feb 27 10:03:20 2017 GMT" -- also for OpenBSD
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if "$HAS_OPENBSDDATE"; then
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# Best we want to do under old versions of OpenBSD, first just remove the GMT and keep start/endate for later output
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startdate="$(parse_date "$startdate" "+%s")"
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enddate="$(parse_date "$enddate" "+%s")"
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# Now we extract a date block and a time block which we need for later output
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startdate="$(parse_date "$startdate" +"%F %H:%M" "%b %d %T %Y %Z")"
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enddate="$(parse_date "$enddate" +"%F %H:%M" "%b %d %T %Y %Z")"
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read -r yearstart clockstart <<< "$startdate"
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read -r yearend clockend <<< "$enddate"
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debugme echo "$yearstart, $clockstart"
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debugme echo "$yearend, $clockend"
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y=$(( ${yearend:0:4} - ${yearstart:0:4} ))
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m=$(( ${yearend:5:1} - ${yearstart:5:1} + ${yearend:6:1} - ${yearstart:6:1} ))
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d=$(( ${yearend:8:2} - ${yearstart:8:2} ))
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# We take the year, month, days here as old OpenBSD's date is too difficult for real conversion
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# see comment in parse_date(). In diffseconds then we have the estimated absolute validity period
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diffseconds=$(( d + ((m*30)) + ((y*365)) ))
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diffseconds=$((diffseconds * secsaday))
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# Now we estimate the days left plus length of month/year:
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yearnow="$(date -juz GMT "+%Y-%m-%d %H:%M")"
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y=$(( ${yearend:0:4} - ${yearnow:0:4} ))
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m=$(( ${yearend:5:1} - ${yearnow:5:1} + ${yearend:6:1} - ${yearnow:6:1} ))
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d=$(( ${yearend:8:2} - ${yearnow:8:2} ))
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days2expire=$(( d + ((m*30)) + ((y*365)) ))
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else
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startdate="$(parse_date "$startdate" +"%F %H:%M" "%b %d %T %Y %Z")"
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enddate="$(parse_date "$enddate" +"%F %H:%M" "%b %d %T %Y %Z")"
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days2expire=$(( $(parse_date "$enddate" "+%s" $'%F %H:%M') - $(LC_ALL=C date "+%s") )) # first in seconds
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days2expire=$((days2expire / secsaday))
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diffseconds=$(( $(parse_date "$enddate" "+%s" $'%F %H:%M') - $(parse_date "$startdate" "+%s" $'%F %H:%M') ))
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fi
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safe_echo "$startdate,$enddate,$diffseconds,$days2expire,$yearstart"
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}
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certificate_info() {
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local proto
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local -i certificate_number=$1
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@@ -8333,22 +8402,23 @@ certificate_info() {
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local ct="${12}"
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local certificate_list_ordering_problem="${13}"
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local cert_sig_algo cert_sig_hash_algo cert_key_algo cert_spki_info
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local hostcert=""
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local common_primes_file="$TESTSSL_INSTALL_DIR/etc/common-primes.txt"
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local -i lineno_matched=0
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local cert_keyusage cert_ext_keyusage short_keyAlgo
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local outok=true
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local expire days2expire secs2warn ocsp_uri crl
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local days2expire secs2warn ocsp_uri crl
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local startdate enddate issuer_CN issuer_C issuer_O issuer sans san all_san="" cn
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local issuer_DC issuerfinding cn_nosni=""
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local cert_fingerprint_sha1 cert_fingerprint_sha2 cert_serial cert
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local -a intermediate_certs=()
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local -a intermediate_certs_txt=()
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local policy_oid
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local spaces=""
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local -i trust_sni=0 trust_nosni=0 diffseconds=0
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local has_dns_sans has_dns_sans_nosni
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local trust_sni_finding
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local -i i certificates_provided=0
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local cnfinding trustfinding trustfinding_nosni
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local cn_finding trustfinding trustfinding_nosni
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local cnok="OK"
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local expfinding expok="OK"
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local -i ret=0
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@@ -8361,10 +8431,12 @@ certificate_info() {
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local provides_stapling=false
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local caa_node="" all_caa="" caa_property_name="" caa_property_value=""
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local response=""
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local yearstart yearend clockstart clockend y m d
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local yearstart
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local gt_398=false gt_398warn=false
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local gt_825=false gt_825warn=false
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local badocsp=1
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local -i secsaday=86400
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local first=true
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local badocsp=1
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if [[ $number_of_certificates -gt 1 ]]; then
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[[ $certificate_number -eq 1 ]] && outln
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@@ -8373,7 +8445,7 @@ certificate_info() {
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pr_headline "Server Certificate #$certificate_number"
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[[ -z "$sni_used" ]] && pr_underline " (in response to request w/o SNI)"
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outln
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json_postfix=" <cert#${certificate_number}>"
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json_postfix=" <hostCert#${certificate_number}>"
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spaces=" "
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else
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spaces=" "
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@@ -8528,7 +8600,7 @@ certificate_info() {
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*GOST*|*gost*) short_keyAlgo="GOST";;
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*dh*|*DH*) short_keyAlgo="DH" ;;
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*) pr_fixme "don't know $cert_key_algo "
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let ret++ ;;
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((ret++)) ;;
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esac
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out "$short_keyAlgo "
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# https://tools.ietf.org/html/rfc4492, https://www.keylength.com/en/compare/
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@@ -8699,42 +8771,44 @@ certificate_info() {
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fileout "${jsonID}${json_postfix}" "INFO" "$cert_ext_keyusage"
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fi
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hostcert="$(<$HOSTCERT)"
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out "$indent"; pr_bold " Serial / Fingerprints "
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cert_serial="$($OPENSSL x509 -noout -in $HOSTCERT -serial 2>>$ERRFILE | sed 's/serial=//')"
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cert_serial="$(determine_cert_fingerprint_serial "$hostcert" "-serial")"
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fileout "cert_serialNumber${json_postfix}" "INFO" "$cert_serial"
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cert_fingerprint_sha1="$($OPENSSL x509 -noout -in $HOSTCERT -fingerprint -sha1 2>>$ERRFILE | sed 's/Fingerprint=//' | sed 's/://g')"
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fileout "cert_fingerprintSHA1${json_postfix}" "INFO" "${cert_fingerprint_sha1//SHA1 /}"
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outln "$cert_serial / $cert_fingerprint_sha1"
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cert_fingerprint_sha1="$(determine_cert_fingerprint_serial "$hostcert" "-fingerprint -sha1")"
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outln "$cert_serial / SHA1 $cert_fingerprint_sha1"
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fileout "cert_fingerprintSHA1${json_postfix}" "INFO" "${cert_fingerprint_sha1}"
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cert_fingerprint_sha2="$($OPENSSL x509 -noout -in $HOSTCERT -fingerprint -sha256 2>>$ERRFILE | sed 's/Fingerprint=//' | sed 's/://g' )"
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fileout "cert_fingerprintSHA256${json_postfix}" "INFO" "${cert_fingerprint_sha2//SHA256 /}"
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outln "$spaces$cert_fingerprint_sha2"
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cert_fingerprint_sha2="$(determine_cert_fingerprint_serial "$hostcert" "-fingerprint -sha256")"
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fileout "cert_fingerprintSHA256${json_postfix}" "INFO" "${cert_fingerprint_sha2}"
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outln "${spaces}SHA256 ${cert_fingerprint_sha2}"
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# " " needs to be converted back to lf in JSON/CSV output
|
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fileout "cert${json_postfix}" "INFO" "$(< $HOSTCERT)"
|
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# " " needs to be converted back to lf in JSON/CSV output. watch out leading/ending line containting "CERTIFICATE"
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fileout "cert${json_postfix}" "INFO" "$hostcert"
|
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[[ -z $CERT_FINGERPRINT_SHA2 ]] && \
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CERT_FINGERPRINT_SHA2="$cert_fingerprint_sha2" ||
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CERT_FINGERPRINT_SHA2="$cert_fingerprint_sha2 $CERT_FINGERPRINT_SHA2"
|
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[[ -z $RSA_CERT_FINGERPRINT_SHA2 ]] && \
|
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( [[ $cert_key_algo = *RSA* ]] || [[ $cert_key_algo = *rsa* ]] ) &&
|
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( [[ $cert_key_algo =~ RSA ]] || [[ $cert_key_algo =~ rsa ]] ) &&
|
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RSA_CERT_FINGERPRINT_SHA2="$cert_fingerprint_sha2"
|
||||
|
||||
out "$indent"; pr_bold " Common Name (CN) "
|
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cnfinding="Common Name (CN) : "
|
||||
cn_finding="Common Name (CN) : "
|
||||
cn="$(get_cn_from_cert $HOSTCERT)"
|
||||
if [[ -n "$cn" ]]; then
|
||||
pr_italic "$cn"
|
||||
cnfinding="$cn"
|
||||
cn_finding="$cn"
|
||||
else
|
||||
cn="no CN field in subject"
|
||||
out "($cn)"
|
||||
cnfinding="$cn"
|
||||
cn_finding="$cn"
|
||||
cnok="INFO"
|
||||
fi
|
||||
fileout "cert_commonName${json_postfix}" "$cnok" "$cnfinding"
|
||||
cnfinding=""
|
||||
fileout "cert_commonName${json_postfix}" "$cnok" "$cn_finding"
|
||||
cn_finding=""
|
||||
|
||||
if [[ -n "$sni_used" ]]; then
|
||||
if grep -q "\-\-\-\-\-BEGIN" "$HOSTCERT.nosni"; then
|
||||
@@ -8748,24 +8822,24 @@ certificate_info() {
|
||||
|
||||
if [[ -z "$sni_used" ]] || [[ "$(toupper "$cn_nosni")" == "$(toupper "$cn")" ]]; then
|
||||
outln
|
||||
cnfinding="$cn"
|
||||
cn_finding="$cn"
|
||||
elif [[ -z "$cn_nosni" ]]; then
|
||||
out " (request w/o SNI didn't succeed";
|
||||
cnfinding+="request w/o SNI didn't succeed"
|
||||
cn_finding+="request w/o SNI didn't succeed"
|
||||
if [[ $cert_sig_algo =~ ecdsa ]]; then
|
||||
out ", usual for EC certificates"
|
||||
cnfinding+=", usual for EC certificates"
|
||||
cn_finding+=", usual for EC certificates"
|
||||
fi
|
||||
outln ")"
|
||||
cnfinding+=""
|
||||
cn_finding+=""
|
||||
elif [[ "$cn_nosni" == *"no CN field"* ]]; then
|
||||
outln ", (request w/o SNI: $cn_nosni)"
|
||||
cnfinding="$cn_nosni"
|
||||
cn_finding="$cn_nosni"
|
||||
else
|
||||
out " (CN in response to request w/o SNI: "; pr_italic "$cn_nosni"; outln ")"
|
||||
cnfinding="$cn_nosni"
|
||||
cn_finding="$cn_nosni"
|
||||
fi
|
||||
fileout "cert_commonName_wo_SNI${json_postfix}" "INFO" "$cnfinding"
|
||||
fileout "cert_commonName_wo_SNI${json_postfix}" "INFO" "$cn_finding"
|
||||
|
||||
sans=$(grep -A2 "Subject Alternative Name" <<< "$cert_txt" | \
|
||||
grep -E "DNS:|IP Address:|email:|URI:|DirName:|Registered ID:" | tr ',' '\n' | \
|
||||
@@ -8792,49 +8866,13 @@ certificate_info() {
|
||||
fi
|
||||
fi
|
||||
|
||||
out "$indent"; pr_bold " Issuer "
|
||||
jsonID="cert_caIssuers"
|
||||
#FIXME: oid would be better maybe (see above)
|
||||
issuer="$($OPENSSL x509 -in $HOSTCERT -noout -issuer -nameopt multiline,-align,sname,-esc_msb,utf8,-space_eq 2>>$ERRFILE)"
|
||||
# Determine the issuer now as we need them for host certificate warning
|
||||
issuer="$($OPENSSL x509 -noout -issuer -nameopt multiline,-align,sname,-esc_msb,utf8,-space_eq 2>>$ERRFILE <<< "$hostcert")"
|
||||
issuer_CN="$(awk -F'=' '/CN=/ { print $2 }' <<< "$issuer")"
|
||||
issuer_O="$(awk -F'=' '/O=/ { print $2 }' <<< "$issuer")"
|
||||
issuer_C="$(awk -F'=' '/ C=/ { print $2 }' <<< "$issuer")"
|
||||
issuer_DC="$(awk -F'=' '/DC=/ { print $2 }' <<< "$issuer")"
|
||||
|
||||
if [[ "$issuer_O" == "issuer=" ]] || [[ "$issuer_O" == "issuer= " ]] || [[ "$issuer_CN" == "$cn" ]]; then
|
||||
prln_svrty_critical "self-signed (NOT ok)"
|
||||
fileout "${jsonID}${json_postfix}" "CRITICAL" "selfsigned"
|
||||
set_grade_cap "T" "Self-signed certificate"
|
||||
else
|
||||
issuerfinding="$issuer_CN"
|
||||
pr_italic "$issuer_CN"
|
||||
if [[ -z "$issuer_O" ]] && [[ -n "$issuer_DC" ]]; then
|
||||
for san in $issuer_DC; do
|
||||
if [[ -z "$issuer_O" ]]; then
|
||||
issuer_O="${san}"
|
||||
else
|
||||
issuer_O="${san}.${issuer_O}"
|
||||
fi
|
||||
done
|
||||
fi
|
||||
if [[ -n "$issuer_O" ]]; then
|
||||
issuerfinding+=" ("
|
||||
out " ("
|
||||
issuerfinding+="$issuer_O"
|
||||
pr_italic "$issuer_O"
|
||||
if [[ -n "$issuer_C" ]]; then
|
||||
issuerfinding+=" from "
|
||||
out " from "
|
||||
issuerfinding+="$issuer_C"
|
||||
pr_italic "$issuer_C"
|
||||
fi
|
||||
issuerfinding+=")"
|
||||
out ")"
|
||||
fi
|
||||
outln
|
||||
fileout "${jsonID}${json_postfix}" "INFO" "$issuerfinding"
|
||||
fi
|
||||
|
||||
out "$indent"; pr_bold " Trust (hostname) "
|
||||
compare_server_name_to_cert "$HOSTCERT"
|
||||
trust_sni=$?
|
||||
@@ -8980,7 +9018,7 @@ certificate_info() {
|
||||
out "no "
|
||||
fileout "${jsonID}${json_postfix}" "INFO" "no"
|
||||
fi
|
||||
debugme echo "($(newline_to_spaces "$policy_oid"))"
|
||||
debugme1 echo -n "($(newline_to_spaces "$policy_oid"))"
|
||||
outln
|
||||
#TODO: check browser OIDs:
|
||||
# https://dxr.mozilla.org/mozilla-central/source/security/certverifier/ExtendedValidation.cpp
|
||||
@@ -8988,90 +9026,9 @@ certificate_info() {
|
||||
# https://certs.opera.com/03/ev-oids.xml
|
||||
# see #967
|
||||
|
||||
# courtesy Hanno Boeck (see https://github.com/hannob/badocspcert)
|
||||
out "$indent"; pr_bold " Bad OCSP intermediate"
|
||||
out " (exp.) "
|
||||
jsonID="cert_bad_ocsp"
|
||||
|
||||
# There might be >1 certificate, so we split intermediatecerts.pem e.g. into
|
||||
# intermediatecert1.crt, intermediatecert2.cert.
|
||||
#FIXME: This is redundant code. We do that elsewhere, e.g. before in extract_certificates()
|
||||
# and run_hpkp() at least but didn't keep the result
|
||||
#
|
||||
#FIXME: We just raise the flag saying the chain is bad w/o naming the intermediate
|
||||
# cert to blame.
|
||||
|
||||
# Store all of the intermediate certificates in an array so that they can
|
||||
# be used later (e.g., to check their expiration dates).
|
||||
while true; do
|
||||
[[ "$intermediates" =~ \-\-\-\-\-\BEGIN\ CERTIFICATE\-\-\-\-\- ]] || break
|
||||
intermediates="${intermediates#*-----BEGIN CERTIFICATE-----}"
|
||||
cert="${intermediates%%-----END CERTIFICATE-----*}"
|
||||
intermediates="${intermediates#${cert}-----END CERTIFICATE-----}"
|
||||
cert="-----BEGIN CERTIFICATE-----${cert}-----END CERTIFICATE-----"
|
||||
intermediate_certs[certificates_provided]="$($OPENSSL x509 -text -noout 2>/dev/null <<< "$cert")"
|
||||
certificates_provided+=1
|
||||
done
|
||||
certificates_provided+=1
|
||||
for (( i=0; i < certificates_provided-1; i++ )); do
|
||||
cert_ext_keyusage="$(awk '/X509v3 Extended Key Usage:/ { getline; print $0 }' <<< "${intermediate_certs[i]}")"
|
||||
[[ "$cert_ext_keyusage" =~ OCSP\ Signing ]] && badocsp=0 && break
|
||||
done
|
||||
if [[ $badocsp -eq 0 ]]; then
|
||||
prln_svrty_medium "NOT ok"
|
||||
fileout "${jsonID}${json_postfix}" "MEDIUM" "NOT ok is/are intermediate certificate(s)"
|
||||
else
|
||||
prln_svrty_good "Ok"
|
||||
fileout "${jsonID}${json_postfix}" "OK" "intermediate certificate(s) is/are ok"
|
||||
fi
|
||||
|
||||
out "$indent"; pr_bold " ETS/\"eTLS\""
|
||||
out ", visibility info "
|
||||
jsonID="cert_eTLS"
|
||||
etsi_ets_visibility_info "${jsonID}${json_postfix}" "$spaces" "$HOSTCERT" "$cert_txt"
|
||||
# *Currently* this is even listed as a vulnerability (CWE-310, CVE-2019-919), see
|
||||
# https://nvd.nist.gov/vuln/detail/CVE-2019-9191, https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9191
|
||||
# For now we leave this here. We may want to change that later or add infos to other sections (FS & vulnerability)
|
||||
|
||||
out "$indent"; pr_bold " Certificate Validity (UTC) "
|
||||
# FreeBSD + OSX can't swallow the leading blank:
|
||||
startdate="${cert_txt#*Validity*Not Before: }"
|
||||
startdate="${startdate%%GMT*}GMT"
|
||||
enddate="${cert_txt#*Validity*Not Before: *Not After : }"
|
||||
enddate="${enddate%%GMT*}GMT"
|
||||
debugme echo "$enddate - $startdate"
|
||||
# Now we have a normalized enddate and startdate like "Feb 27 10:03:20 2017 GMT" -- also for OpenBSD
|
||||
if "$HAS_OPENBSDDATE"; then
|
||||
# Best we want to do under old versions of OpenBSD, first just remove the GMT and keep start/endate for later output
|
||||
startdate="$(parse_date "$startdate" "+%s")"
|
||||
enddate="$(parse_date "$enddate" "+%s")"
|
||||
# Now we extract a date block and a time block which we need for later output
|
||||
startdate="$(parse_date "$startdate" +"%F %H:%M" "%b %d %T %Y %Z")"
|
||||
enddate="$(parse_date "$enddate" +"%F %H:%M" "%b %d %T %Y %Z")"
|
||||
read yearstart clockstart <<< "$startdate"
|
||||
read yearend clockend <<< "$enddate"
|
||||
debugme echo "$yearstart, $clockstart"
|
||||
debugme echo "$yearend, $clockend"
|
||||
y=$(( ${yearend:0:4} - ${yearstart:0:4} ))
|
||||
m=$(( ${yearend:5:1} - ${yearstart:5:1} + ${yearend:6:1} - ${yearstart:6:1} ))
|
||||
d=$(( ${yearend:8:2} - ${yearstart:8:2} ))
|
||||
# We take the year, month, days here as old OpenBSD's date is too difficult for real conversion
|
||||
# see comment in parse_date(). In diffseconds then we have the estimated absolute validity period
|
||||
diffseconds=$(( d + ((m*30)) + ((y*365)) ))
|
||||
diffseconds=$((diffseconds * 3600 * 24))
|
||||
# Now we estimate the days left plus length of month/year:
|
||||
yearnow="$(date -juz GMT "+%Y-%m-%d %H:%M")"
|
||||
y=$(( ${yearend:0:4} - ${yearnow:0:4} ))
|
||||
m=$(( ${yearend:5:1} - ${yearnow:5:1} + ${yearend:6:1} - ${yearnow:6:1} ))
|
||||
d=$(( ${yearend:8:2} - ${yearnow:8:2} ))
|
||||
days2expire=$(( d + ((m*30)) + ((y*365)) ))
|
||||
else
|
||||
startdate="$(parse_date "$startdate" +"%F %H:%M" "%b %d %T %Y %Z")"
|
||||
enddate="$(parse_date "$enddate" +"%F %H:%M" "%b %d %T %Y %Z")"
|
||||
days2expire=$(( $(parse_date "$enddate" "+%s" $'%F %H:%M') - $(LC_ALL=C date "+%s") )) # first in seconds
|
||||
days2expire=$((days2expire / 3600 / 24 ))
|
||||
diffseconds=$(( $(parse_date "$enddate" "+%s" $'%F %H:%M') - $(parse_date "$startdate" "+%s" $'%F %H:%M') ))
|
||||
fi
|
||||
IFS=',' read -r startdate enddate diffseconds days2expire yearstart < <(determine_dates_certificate "$cert_txt")
|
||||
|
||||
# We adjust the thresholds by %50 for LE certificates, relaxing warnings for those certificates.
|
||||
# . instead of \' because it does not break syntax highlighting in vim
|
||||
if [[ "$issuer_CN" =~ ^Let.s\ Encrypt\ Authority ]] ; then
|
||||
@@ -9079,20 +9036,17 @@ certificate_info() {
|
||||
days2warn1=$((days2warn1 / 2))
|
||||
fi
|
||||
|
||||
debugme echo -n "diffseconds: $diffseconds"
|
||||
expire=$($OPENSSL x509 -in $HOSTCERT -checkend 1 2>>$ERRFILE)
|
||||
if ! grep -qw not <<< "$expire" ; then
|
||||
debugme echo -n "(diffseconds: $diffseconds)"
|
||||
if ! [[ "$($OPENSSL x509 -checkend 1 2>>$ERRFILE <<< "$hostcert")" =~ \ not\ ]]; then
|
||||
pr_svrty_critical "expired"
|
||||
expfinding="expired"
|
||||
expok="CRITICAL"
|
||||
set_grade_cap "T" "Certificate expired"
|
||||
else
|
||||
secs2warn=$((24 * 60 * 60 * days2warn2)) # low threshold first
|
||||
expire=$($OPENSSL x509 -in $HOSTCERT -checkend $secs2warn 2>>$ERRFILE)
|
||||
if grep -qw not <<< "$expire"; then
|
||||
secs2warn=$((24 * 60 * 60 * days2warn1)) # high threshold
|
||||
expire=$($OPENSSL x509 -in $HOSTCERT -checkend $secs2warn 2>>$ERRFILE)
|
||||
if grep -qw not <<< "$expire"; then
|
||||
# low threshold first
|
||||
if ! [[ "$($OPENSSL x509 -checkend $((secsaday*days2warn2)) 2>>$ERRFILE <<< "$cert")" =~ \ not\ ]]; then
|
||||
# high threshold
|
||||
if ! [[ "$($OPENSSL x509 -checkend $((secsaday*days2warn1)) 2>>$ERRFILE <<< "$cert")" =~ \ not\ ]]; then
|
||||
pr_svrty_good "$days2expire >= $days2warn1 days"
|
||||
expfinding+="$days2expire >= $days2warn1 days"
|
||||
else
|
||||
@@ -9113,15 +9067,15 @@ certificate_info() {
|
||||
|
||||
# Internal certificates or those from appliances often have too high validity periods.
|
||||
# We check for ~10 years and >~ 5 years
|
||||
if [[ $diffseconds -ge $((3600 * 24 * 365 * 10)) ]]; then
|
||||
if [[ $diffseconds -ge $((secsaday*365*10)) ]]; then
|
||||
out "$spaces"
|
||||
prln_svrty_high ">= 10 years is way too long"
|
||||
fileout "cert_validityPeriod${json_postfix}" "HIGH" "$((diffseconds / (3600 * 24) )) days"
|
||||
elif [[ $diffseconds -ge $((3600 * 24 * 365 * 5)) ]]; then
|
||||
fileout "cert_extlifeSpan${json_postfix}" "HIGH" "$((diffseconds / secsaday)) days"
|
||||
elif [[ $diffseconds -ge $((secsaday*365*5)) ]]; then
|
||||
out "$spaces"
|
||||
prln_svrty_medium ">= 5 years is too long"
|
||||
fileout "cert_validityPeriod${json_postfix}" "MEDIUM" "$((diffseconds / (3600 * 24) )) days"
|
||||
elif [[ $diffseconds -ge $((3600 * 24 * 398 + 1)) ]]; then
|
||||
fileout "cert_extlifeSpan${json_postfix}" "MEDIUM" "$((diffseconds / secsaday)) days"
|
||||
elif [[ $diffseconds -ge $((secsaday*398 + 1)) ]]; then
|
||||
# Also "official" certificates issued from september 1st 2020 (1598918400) aren't supposed
|
||||
# to be valid longer than 398 days which is 34387200 in epoch seconds
|
||||
gt_398=true
|
||||
@@ -9136,12 +9090,12 @@ certificate_info() {
|
||||
out "$spaces"
|
||||
if "$gt_398warn" && "$gt_398"; then
|
||||
prln_svrty_medium "> 398 days issued after 2020/09/01 is too long"
|
||||
fileout "cert_validityPeriod${json_postfix}" "MEDIUM" "$((diffseconds / (3600 * 24) )) > 398 days"
|
||||
fileout "cert_extlifeSpan${json_postfix}" "MEDIUM" "$((diffseconds / secsaday)) > 398 days"
|
||||
elif "$gt_398"; then
|
||||
outln ">= 398 days certificate life time but issued before 2020/09/01"
|
||||
fileout "cert_validityPeriod${json_postfix}" "INFO" "$((diffseconds / (3600 * 24) )) =< 398 days"
|
||||
fileout "cert_extlifeSpan${json_postfix}" "INFO" "$((diffseconds / secsaday)) =< 398 days"
|
||||
fi
|
||||
elif [[ $diffseconds -ge $((3600 * 24 * 825 + 1)) ]]; then
|
||||
elif [[ $diffseconds -ge $((secsaday*825 + 1)) ]]; then
|
||||
# Also "official" certificates issued from March 1st, 2018 (1517353200) aren't supposed
|
||||
# to be valid longer than 825 days which is 1517353200 in epoch seconds
|
||||
gt_825=true
|
||||
@@ -9156,27 +9110,25 @@ certificate_info() {
|
||||
out "$spaces"
|
||||
if "$gt_825warn" && "$gt_825"; then
|
||||
prln_svrty_medium "> 825 days issued after 2018/03/01 is too long"
|
||||
fileout "cert_validityPeriod${json_postfix}" "MEDIUM" "$((diffseconds / (3600 * 24) )) > 825 days"
|
||||
fileout "cert_extlifeSpan${json_postfix}" "MEDIUM" "$((diffseconds / secsaday)) > 825 days"
|
||||
elif "$gt_825"; then
|
||||
outln ">= 825 days certificate life time but issued before 2018/03/01"
|
||||
fileout "cert_validityPeriod${json_postfix}" "INFO" "$((diffseconds / (3600 * 24) )) =< 825 days"
|
||||
fileout "cert_extlifeSpan${json_postfix}" "INFO" "$((diffseconds / secsaday)) =< 825 days"
|
||||
fi
|
||||
else
|
||||
# All is fine with valididy period
|
||||
# All is fine with validity period
|
||||
# We ignore for now certificates < 2018/03/01. On the screen we only show debug info
|
||||
[[ "$DEBUG" -ge 1 ]] && outln "${spaces}DEBUG: all is fine with total certificate life time"
|
||||
fileout "cert_validityPeriod${json_postfix}" "INFO" "No finding"
|
||||
debugme1 echo "${spaces}DEBUG: all is fine with total certificate life time"
|
||||
fileout "cert_extlifeSpan${json_postfix}" "OK" "certificate has no extended life time according to browser forum"
|
||||
fi
|
||||
|
||||
out "$indent"; pr_bold " # of certificates provided"; out " $certificates_provided"
|
||||
fileout "certs_countServer${json_postfix}" "INFO" "${certificates_provided}"
|
||||
if "$certificate_list_ordering_problem"; then
|
||||
prln_svrty_low " (certificate list ordering problem)"
|
||||
fileout "certs_list_ordering_problem${json_postfix}" "LOW" "yes"
|
||||
else
|
||||
fileout "certs_list_ordering_problem${json_postfix}" "INFO" "no"
|
||||
outln
|
||||
fi
|
||||
out "$indent"; pr_bold " ETS/\"eTLS\""
|
||||
out ", visibility info "
|
||||
jsonID="cert_eTLS"
|
||||
etsi_ets_visibility_info "${jsonID}${json_postfix}" "$spaces" "$hostcert" "$cert_txt"
|
||||
# *Currently* this is even listed as a vulnerability (CWE-310, CVE-2019-919), see
|
||||
# https://nvd.nist.gov/vuln/detail/CVE-2019-9191, https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9191
|
||||
# For now we leave this here. We may want to change that later or add infos to other sections (FS & vulnerability)
|
||||
|
||||
if "$PHONE_OUT"; then
|
||||
out "$indent"; pr_bold " In pwnedkeys.com DB "
|
||||
@@ -9225,14 +9177,14 @@ certificate_info() {
|
||||
|
||||
out "$indent"; pr_bold " OCSP URI "
|
||||
jsonID="cert_ocspURL"
|
||||
ocsp_uri=$($OPENSSL x509 -in $HOSTCERT -noout -ocsp_uri 2>>$ERRFILE)
|
||||
ocsp_uri="$($OPENSSL x509 -noout -ocsp_uri 2>>$ERRFILE <<< "$hostcert")"
|
||||
if [[ -z "$ocsp_uri" ]]; then
|
||||
outln "--"
|
||||
fileout "${jsonID}${json_postfix}" "INFO" "--"
|
||||
else
|
||||
if [[ $(count_lines "$ocsp_uri") -eq 1 ]]; then
|
||||
out "$ocsp_uri"
|
||||
if [[ "$expfinding" != "expired" ]]; then
|
||||
if [[ "$expfinding" != expired ]]; then
|
||||
check_revocation_ocsp "$ocsp_uri" "" "cert_ocspRevoked${json_postfix}"
|
||||
fi
|
||||
ret=$((ret +$?))
|
||||
@@ -9246,7 +9198,7 @@ certificate_info() {
|
||||
out "$spaces"
|
||||
fi
|
||||
out "$line"
|
||||
if [[ "$expfinding" != "expired" ]]; then
|
||||
if [[ "$expfinding" != expired ]]; then
|
||||
check_revocation_ocsp "$line" "" "cert_ocspRevoked${json_postfix}"
|
||||
ret=$((ret +$?))
|
||||
fi
|
||||
@@ -9290,7 +9242,7 @@ certificate_info() {
|
||||
else
|
||||
out "(response status unknown)"
|
||||
fileout "${jsonID}${json_postfix}" "OK" " not sure what's going on here, '$ocsp_response'"
|
||||
debugme grep -a -A20 -B2 "OCSP response" <<<"$ocsp_response"
|
||||
debugme grep -a -A20 -B2 "OCSP response" <<< "$ocsp_response"
|
||||
((ret++))
|
||||
fi
|
||||
fi
|
||||
@@ -9310,7 +9262,7 @@ certificate_info() {
|
||||
caa_node=${caa_node#*.}
|
||||
done
|
||||
if [[ -n "$caa" ]]; then
|
||||
pr_svrty_good "available"; out " - please check for match with \"Issuer\" above"
|
||||
pr_svrty_good "available"; out " - please check for match with \"Issuer\" below"
|
||||
if [[ $(count_lines "$caa") -eq 1 ]]; then
|
||||
out ": "
|
||||
else
|
||||
@@ -9342,6 +9294,132 @@ certificate_info() {
|
||||
outln "$ct"
|
||||
fileout "${jsonID}${json_postfix}" "INFO" "$ct"
|
||||
fi
|
||||
|
||||
out "$indent"; pr_bold " Certificates provided"
|
||||
certificates_provided="$(grep -ac '\-\-\-\-\-BEGIN\ CERTIFICATE\-\-\-\-\-' <<< "$intermediates")"
|
||||
((certificates_provided++)) # plus host certificate
|
||||
out " $certificates_provided"
|
||||
fileout "certs_countServer${json_postfix}" "INFO" "${certificates_provided}"
|
||||
if "$certificate_list_ordering_problem"; then
|
||||
prln_svrty_low " (certificate list ordering problem)"
|
||||
fileout "certs_list_ordering_problem${json_postfix}" "LOW" "yes"
|
||||
else
|
||||
fileout "certs_list_ordering_problem${json_postfix}" "INFO" "no"
|
||||
outln
|
||||
fi
|
||||
|
||||
out "$indent"; pr_bold " Issuer "
|
||||
jsonID="cert_caIssuers"
|
||||
|
||||
if [[ "$issuer_O" == issuer= ]] || [[ "$issuer_O" == issuer=\ ]] || [[ "$issuer_CN" == "$cn" ]]; then
|
||||
prln_svrty_critical "self-signed (NOT ok)"
|
||||
fileout "${jsonID}${json_postfix}" "CRITICAL" "selfsigned"
|
||||
set_grade_cap "T" "Self-signed certificate"
|
||||
else
|
||||
issuerfinding="$issuer_CN"
|
||||
pr_italic "$issuer_CN"
|
||||
if [[ -z "$issuer_O" ]] && [[ -n "$issuer_DC" ]]; then
|
||||
for san in $issuer_DC; do
|
||||
if [[ -z "$issuer_O" ]]; then
|
||||
issuer_O="${san}"
|
||||
else
|
||||
issuer_O="${san}.${issuer_O}"
|
||||
fi
|
||||
done
|
||||
fi
|
||||
if [[ -n "$issuer_O" ]]; then
|
||||
issuerfinding+=" ("
|
||||
out " ("
|
||||
issuerfinding+="$issuer_O"
|
||||
pr_italic "$issuer_O"
|
||||
if [[ -n "$issuer_C" ]]; then
|
||||
issuerfinding+=" from "
|
||||
out " from "
|
||||
issuerfinding+="$issuer_C"
|
||||
pr_italic "$issuer_C"
|
||||
fi
|
||||
issuerfinding+=")"
|
||||
out ")"
|
||||
fi
|
||||
outln
|
||||
fileout "${jsonID}${json_postfix}" "INFO" "$issuerfinding"
|
||||
fi
|
||||
|
||||
|
||||
# Now we take care of the intermediate certificates. We basically (should) have them on disk
|
||||
# as "intermediatecerts.pem" (which could be split into intermediatecert1.crt, intermediatecert2.crt, ..)
|
||||
# However we do this in RAM which is better as it was passed to this function.
|
||||
# We should keep in mind though this is somewhat redundant code. We do similar stuff elsewhere,
|
||||
# e.g. in extract_certificates() and run_hpkp() but don't keep the certificates
|
||||
|
||||
# Store all of the text output of the intermediate certificates in an array so that they can
|
||||
# be used later (e.g., to check their expiration dates).
|
||||
for (( i=1; i < certificates_provided; i++ )); do
|
||||
[[ "$intermediates" =~ \-\-\-\-\-BEGIN\ CERTIFICATE\-\-\-\-\- ]] || break
|
||||
intermediates="${intermediates#*-----BEGIN CERTIFICATE-----}"
|
||||
cert="${intermediates%%-----END CERTIFICATE-----*}"
|
||||
intermediates="${intermediates#${cert}-----END CERTIFICATE-----}"
|
||||
cert="-----BEGIN CERTIFICATE-----${cert}-----END CERTIFICATE-----"
|
||||
|
||||
fileout "intermediate_cert <#${i}>${json_postfix}" "INFO" "$cert"
|
||||
fileout "intermediate_cert_fingerprintSHA256 <#${i}>${json_postfix}" "INFO" "$(determine_cert_fingerprint_serial "$cert" "-fingerprint -sha256")"
|
||||
|
||||
intermediate_certs_txt[i]="$($OPENSSL x509 -text -noout 2>/dev/null <<< "$cert")"
|
||||
|
||||
# We don't need every value here. For the sake of being consistent here we add the rest
|
||||
IFS=',' read -r startdate enddate diffseconds days2expire yearstart < <(determine_dates_certificate "${intermediate_certs_txt[i]}")
|
||||
fileout "intermediate_cert_notBefore <#${i}>${json_postfix}" "INFO" "$startdate"
|
||||
|
||||
if $first; then
|
||||
out "$indent"; pr_bold " Intermediate cert validity "
|
||||
first=false
|
||||
else
|
||||
out "$indent$spaces"
|
||||
fi
|
||||
out "#${i}: "
|
||||
if ! [[ "$($OPENSSL x509 -checkend 1 2>>$ERRFILE <<< "$cert")" =~ \ not\ ]]; then
|
||||
cn_finding="expired!"
|
||||
pr_svrty_critical "$cn_finding"
|
||||
expok="CRITICAL"
|
||||
elif ! [[ "$($OPENSSL x509 -checkend $((secsaday*20)) 2>>$ERRFILE <<< "$cert")" =~ \ not\ ]]; then
|
||||
cn_finding="expires <= 20 days"
|
||||
pr_svrty_high "$cn_finding"
|
||||
expok="HIGH"
|
||||
elif ! [[ "$($OPENSSL x509 -checkend $((secsaday*40)) 2>>$ERRFILE <<< "$cert")" =~ \ not\ ]]; then
|
||||
cn_finding="expires <= 40 days"
|
||||
pr_svrty_medium "$cn_finding"
|
||||
expok="MEDIUM"
|
||||
else
|
||||
cn_finding="ok > 40 days"
|
||||
pr_svrty_good "$cn_finding"
|
||||
expok="OK"
|
||||
fi
|
||||
out " ($enddate). "
|
||||
cn="$(awk -F= '/Subject:.*CN/ { print $NF }' <<< "${intermediate_certs_txt[i]}")"
|
||||
issuer_CN="$(awk -F= '/Issuer:.*CN/ { print $NF }' <<< "${intermediate_certs_txt[i]}")"
|
||||
pr_italic "$cn"; out " <-- "; prln_italic "$issuer_CN"
|
||||
fileout "intermediate_cert_notAfter <#${i}>${json_postfix}" "$expok" "$enddate"
|
||||
fileout "intermediate_cert_expiration <#${i}>${json_postfix}" "$expok" "$cn_finding"
|
||||
fileout "intermediate_cert_chain <#${i}>${json_postfix}" "INFO" "$cn <-- $issuer_CN"
|
||||
done
|
||||
|
||||
# Courtesy Hanno Böck (see https://github.com/hannob/badocspcert)
|
||||
out "$indent"; pr_bold " Intermediate Bad OCSP"
|
||||
out " (exp.) "
|
||||
jsonID="intermediate_cert_badOCSP"
|
||||
|
||||
for (( i=1; i < certificates_provided; i++ )); do
|
||||
cert_ext_keyusage="$(awk '/X509v3 Extended Key Usage:/ { getline; print $0 }' <<< "${intermediate_certs_txt[i]}")"
|
||||
[[ "$cert_ext_keyusage" =~ OCSP\ Signing ]] && badocsp=0 && break
|
||||
done
|
||||
if [[ $badocsp -eq 0 ]]; then
|
||||
prln_svrty_medium "NOT ok"
|
||||
fileout "${jsonID}${json_postfix}" "MEDIUM" "NOT ok is intermediate certificate ${i}"
|
||||
else
|
||||
prln_svrty_good "Ok"
|
||||
fileout "${jsonID}${json_postfix}" "OK" "intermediate certificate(s) is/are ok"
|
||||
fi
|
||||
|
||||
outln
|
||||
return $ret
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user