Commit b9104de

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committed
tls: match IPv6 hosts against IP-Address SANs
checkServerIdentity() stopped matching an IPv6 host against a matching IP-Address SAN. The hostname is now run through domainToASCII() before the net.isIP() gate, and domainToASCII('::1') === '' (an IPv6 literal is not a domain), so net.isIP('') is 0, the IP-SAN branch is skipped, and verification fails with "Cert does not contain a DNS name". IPv4 is unaffected because dotted-decimal survives domainToASCII(). Match IP hosts against the original hostname instead of the IDNA- normalized one. net.isIP() rejects non-ASCII input, so there is no IDNA confusion to guard against for an IP literal; the normalized form is still used for the DNS-name path. Fixes: #64144 Signed-off-by: Pascal Garber <pascal@artandcode.studio> PR-URL: #64145 Reviewed-By: Tim Perry <pimterry@gmail.com>
1 parent 3f8b446 commit b9104de

2 files changed

Lines changed: 29 additions & 2 deletions

File tree

‎lib/tls.js‎

Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -431,8 +431,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
431431
letvalid=false;
432432
letreason='Unknown reason';
433433

434-
if(net.isIP(hostnameASCIIWithoutFQDN)){
435-
valid=ips.includes(canonicalizeIP(hostnameASCIIWithoutFQDN));
434+
// An IP literal must not be IDNA-normalized: domainToASCII() returns '' for
435+
// an IPv6 literal (it is not a domain), so matching against the normalized
436+
// host would skip IP-SAN matching for IPv6 entirely. Match IP hosts against
437+
// the original hostname (net.isIP() rejects non-ASCII, so there is no IDNA
438+
// confusion to guard against here); the normalized form is kept for the
439+
// DNS-name path below.
440+
if(net.isIP(hostname)){
441+
valid=ips.includes(canonicalizeIP(hostname));
436442
if(!valid){
437443
reason=
438444
`IP: ${hostname} is not in the cert's list: `+ips.join(', ');

‎test/parallel/test-tls-check-server-identity.js‎

Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -100,6 +100,27 @@ const tests = [
100100
cert: {subject: {CN: '8.8.8.8'},subjectaltname: 'IP Address:8.8.8.8'}
101101
},
102102

103+
// An "IP Address:" SAN also matches an IPv6 host. Regression test for the
104+
// IDNA-normalization change: domainToASCII('::1') === '' (an IPv6 literal is
105+
// not a domain), which made the normalized host skip IPv6 IP-SAN matching.
106+
{
107+
host: '::1',
108+
cert: {subject: {},subjectaltname: 'IP Address:::1'}
109+
},
110+
111+
// IPv6 hosts and SANs are matched canonically.
112+
{
113+
host: '2001:db8::1',
114+
cert: {subject: {},subjectaltname: 'IP Address:2001:DB8:0:0:0:0:0:1'}
115+
},
116+
117+
// A non-matching IPv6 "IP Address:" SAN is rejected.
118+
{
119+
host: '::1',
120+
cert: {subject: {},subjectaltname: 'IP Address:::2'},
121+
error: 'IP: ::1 is not in the cert\'s list: ::2'
122+
},
123+
103124
// But not when it's a CIDR.
104125
{
105126
host: '8.8.8.8',

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Comments
 (0)
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
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}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
Commit b9104de
Browse files
JumpLinkaduh95
JumpLink
authored and
aduh95
committed
tls: match IPv6 hosts against IP-Address SANs
checkServerIdentity() stopped matching an IPv6 host against a matching
IP-Address SAN. The hostname is now run through domainToASCII() before
the net.isIP() gate, and domainToASCII('::1') === '' (an IPv6 literal is
not a domain), so net.isIP('') is 0, the IP-SAN branch is skipped, and
verification fails with "Cert does not contain a DNS name". IPv4 is
unaffected because dotted-decimal survives domainToASCII().
Match IP hosts against the original hostname instead of the IDNA-
normalized one. net.isIP() rejects non-ASCII input, so there is no IDNA
confusion to guard against for an IP literal; the normalized form is
still used for the DNS-name path.
Fixes: #64144
Signed-off-by: Pascal Garber <pascal@artandcode.studio>
PR-URL: #64145
Reviewed-By: Tim Perry <pimterry@gmail.com>
1 parent 3f8b446 commit b9104de
2 files changed
Lines changed: 29 additions & 2 deletions
File tree
‎lib/tls.js‎
Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -431,8 +431,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
431431
letvalid=false;
432432
letreason='Unknown reason';
433433

434-
if(net.isIP(hostnameASCIIWithoutFQDN)){
435-
valid=ips.includes(canonicalizeIP(hostnameASCIIWithoutFQDN));
434+
// An IP literal must not be IDNA-normalized: domainToASCII() returns '' for
435+
// an IPv6 literal (it is not a domain), so matching against the normalized
436+
// host would skip IP-SAN matching for IPv6 entirely. Match IP hosts against
437+
// the original hostname (net.isIP() rejects non-ASCII, so there is no IDNA
438+
// confusion to guard against here); the normalized form is kept for the
439+
// DNS-name path below.
440+
if(net.isIP(hostname)){
441+
valid=ips.includes(canonicalizeIP(hostname));
436442
if(!valid){
437443
reason=
438444
`IP: ${hostname} is not in the cert's list: `+ips.join(', ');
‎test/parallel/test-tls-check-server-identity.js‎
Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -100,6 +100,27 @@ const tests = [
100100
cert: {subject: {CN: '8.8.8.8'},subjectaltname: 'IP Address:8.8.8.8'}
101101
},
102102

103+
// An "IP Address:" SAN also matches an IPv6 host. Regression test for the
104+
// IDNA-normalization change: domainToASCII('::1') === '' (an IPv6 literal is
105+
// not a domain), which made the normalized host skip IPv6 IP-SAN matching.
106+
{
107+
host: '::1',
108+
cert: {subject: {},subjectaltname: 'IP Address:::1'}
109+
},
110+
111+
// IPv6 hosts and SANs are matched canonically.
112+
{
113+
host: '2001:db8::1',
114+
cert: {subject: {},subjectaltname: 'IP Address:2001:DB8:0:0:0:0:0:1'}
115+
},
116+
117+
// A non-matching IPv6 "IP Address:" SAN is rejected.
118+
{
119+
host: '::1',
120+
cert: {subject: {},subjectaltname: 'IP Address:::2'},
121+
error: 'IP: ::1 is not in the cert\'s list: ::2'
122+
},
123+
103124
// But not when it's a CIDR.
104125
{
105126
host: '8.8.8.8',
0 commit comments
Comments
 (0)

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Commit b9104de
Browse files
JumpLinkaduh95
JumpLink
authored and
aduh95
committed
tls: match IPv6 hosts against IP-Address SANs
checkServerIdentity() stopped matching an IPv6 host against a matching
IP-Address SAN. The hostname is now run through domainToASCII() before
the net.isIP() gate, and domainToASCII('::1') === '' (an IPv6 literal is
not a domain), so net.isIP('') is 0, the IP-SAN branch is skipped, and
verification fails with "Cert does not contain a DNS name". IPv4 is
unaffected because dotted-decimal survives domainToASCII().
Match IP hosts against the original hostname instead of the IDNA-
normalized one. net.isIP() rejects non-ASCII input, so there is no IDNA
confusion to guard against for an IP literal; the normalized form is
still used for the DNS-name path.
Fixes: #64144
Signed-off-by: Pascal Garber <pascal@artandcode.studio>
PR-URL: #64145
Reviewed-By: Tim Perry <pimterry@gmail.com>
1 parent 3f8b446 commit b9104de
2 files changed
Lines changed: 29 additions & 2 deletions
File tree
‎lib/tls.js‎
Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -431,8 +431,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
431431
letvalid=false;
432432
letreason='Unknown reason';
433433

434-
if(net.isIP(hostnameASCIIWithoutFQDN)){
435-
valid=ips.includes(canonicalizeIP(hostnameASCIIWithoutFQDN));
434+
// An IP literal must not be IDNA-normalized: domainToASCII() returns '' for
435+
// an IPv6 literal (it is not a domain), so matching against the normalized
436+
// host would skip IP-SAN matching for IPv6 entirely. Match IP hosts against
437+
// the original hostname (net.isIP() rejects non-ASCII, so there is no IDNA
438+
// confusion to guard against here); the normalized form is kept for the
439+
// DNS-name path below.
440+
if(net.isIP(hostname)){
441+
valid=ips.includes(canonicalizeIP(hostname));
436442
if(!valid){
437443
reason=
438444
`IP: ${hostname} is not in the cert's list: `+ips.join(', ');
‎test/parallel/test-tls-check-server-identity.js‎
Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -100,6 +100,27 @@ const tests = [
100100
cert: {subject: {CN: '8.8.8.8'},subjectaltname: 'IP Address:8.8.8.8'}
101101
},
102102

103+
// An "IP Address:" SAN also matches an IPv6 host. Regression test for the
104+
// IDNA-normalization change: domainToASCII('::1') === '' (an IPv6 literal is
105+
// not a domain), which made the normalized host skip IPv6 IP-SAN matching.
106+
{
107+
host: '::1',
108+
cert: {subject: {},subjectaltname: 'IP Address:::1'}
109+
},
110+
111+
// IPv6 hosts and SANs are matched canonically.
112+
{
113+
host: '2001:db8::1',
114+
cert: {subject: {},subjectaltname: 'IP Address:2001:DB8:0:0:0:0:0:1'}
115+
},
116+
117+
// A non-matching IPv6 "IP Address:" SAN is rejected.
118+
{
119+
host: '::1',
120+
cert: {subject: {},subjectaltname: 'IP Address:::2'},
121+
error: 'IP: ::1 is not in the cert\'s list: ::2'
122+
},
123+
103124
// But not when it's a CIDR.
104125
{
105126
host: '8.8.8.8',
0 commit comments
Comments
 (0)

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Commit b9104de
Browse files
JumpLinkaduh95
JumpLink
authored and
aduh95
committed
tls: match IPv6 hosts against IP-Address SANs
checkServerIdentity() stopped matching an IPv6 host against a matching
IP-Address SAN. The hostname is now run through domainToASCII() before
the net.isIP() gate, and domainToASCII('::1') === '' (an IPv6 literal is
not a domain), so net.isIP('') is 0, the IP-SAN branch is skipped, and
verification fails with "Cert does not contain a DNS name". IPv4 is
unaffected because dotted-decimal survives domainToASCII().
Match IP hosts against the original hostname instead of the IDNA-
normalized one. net.isIP() rejects non-ASCII input, so there is no IDNA
confusion to guard against for an IP literal; the normalized form is
still used for the DNS-name path.
Fixes: #64144
Signed-off-by: Pascal Garber <pascal@artandcode.studio>
PR-URL: #64145
Reviewed-By: Tim Perry <pimterry@gmail.com>
1 parent 3f8b446 commit b9104de
2 files changed
Lines changed: 29 additions & 2 deletions
File tree
‎lib/tls.js‎
Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -431,8 +431,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
431431
letvalid=false;
432432
letreason='Unknown reason';
433433

434-
if(net.isIP(hostnameASCIIWithoutFQDN)){
435-
valid=ips.includes(canonicalizeIP(hostnameASCIIWithoutFQDN));
434+
// An IP literal must not be IDNA-normalized: domainToASCII() returns '' for
435+
// an IPv6 literal (it is not a domain), so matching against the normalized
436+
// host would skip IP-SAN matching for IPv6 entirely. Match IP hosts against
437+
// the original hostname (net.isIP() rejects non-ASCII, so there is no IDNA
438+
// confusion to guard against here); the normalized form is kept for the
439+
// DNS-name path below.
440+
if(net.isIP(hostname)){
441+
valid=ips.includes(canonicalizeIP(hostname));
436442
if(!valid){
437443
reason=
438444
`IP: ${hostname} is not in the cert's list: `+ips.join(', ');
‎test/parallel/test-tls-check-server-identity.js‎
Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -100,6 +100,27 @@ const tests = [
100100
cert: {subject: {CN: '8.8.8.8'},subjectaltname: 'IP Address:8.8.8.8'}
101101
},
102102

103+
// An "IP Address:" SAN also matches an IPv6 host. Regression test for the
104+
// IDNA-normalization change: domainToASCII('::1') === '' (an IPv6 literal is
105+
// not a domain), which made the normalized host skip IPv6 IP-SAN matching.
106+
{
107+
host: '::1',
108+
cert: {subject: {},subjectaltname: 'IP Address:::1'}
109+
},
110+
111+
// IPv6 hosts and SANs are matched canonically.
112+
{
113+
host: '2001:db8::1',
114+
cert: {subject: {},subjectaltname: 'IP Address:2001:DB8:0:0:0:0:0:1'}
115+
},
116+
117+
// A non-matching IPv6 "IP Address:" SAN is rejected.
118+
{
119+
host: '::1',
120+
cert: {subject: {},subjectaltname: 'IP Address:::2'},
121+
error: 'IP: ::1 is not in the cert\'s list: ::2'
122+
},
123+
103124
// But not when it's a CIDR.
104125
{
105126
host: '8.8.8.8',
0 commit comments
Comments
 (0)

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Commit b9104de
Browse files
JumpLinkaduh95
JumpLink
authored and
aduh95
committed
tls: match IPv6 hosts against IP-Address SANs
checkServerIdentity() stopped matching an IPv6 host against a matching
IP-Address SAN. The hostname is now run through domainToASCII() before
the net.isIP() gate, and domainToASCII('::1') === '' (an IPv6 literal is
not a domain), so net.isIP('') is 0, the IP-SAN branch is skipped, and
verification fails with "Cert does not contain a DNS name". IPv4 is
unaffected because dotted-decimal survives domainToASCII().
Match IP hosts against the original hostname instead of the IDNA-
normalized one. net.isIP() rejects non-ASCII input, so there is no IDNA
confusion to guard against for an IP literal; the normalized form is
still used for the DNS-name path.
Fixes: #64144
Signed-off-by: Pascal Garber <pascal@artandcode.studio>
PR-URL: #64145
Reviewed-By: Tim Perry <pimterry@gmail.com>
1 parent 3f8b446 commit b9104de
2 files changed
Lines changed: 29 additions & 2 deletions
File tree
‎lib/tls.js‎
Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -431,8 +431,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
431431
letvalid=false;
432432
letreason='Unknown reason';
433433

434-
if(net.isIP(hostnameASCIIWithoutFQDN)){
435-
valid=ips.includes(canonicalizeIP(hostnameASCIIWithoutFQDN));
434+
// An IP literal must not be IDNA-normalized: domainToASCII() returns '' for
435+
// an IPv6 literal (it is not a domain), so matching against the normalized
436+
// host would skip IP-SAN matching for IPv6 entirely. Match IP hosts against
437+
// the original hostname (net.isIP() rejects non-ASCII, so there is no IDNA
438+
// confusion to guard against here); the normalized form is kept for the
439+
// DNS-name path below.
440+
if(net.isIP(hostname)){
441+
valid=ips.includes(canonicalizeIP(hostname));
436442
if(!valid){
437443
reason=
438444
`IP: ${hostname} is not in the cert's list: `+ips.join(', ');
‎test/parallel/test-tls-check-server-identity.js‎
Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -100,6 +100,27 @@ const tests = [
100100
cert: {subject: {CN: '8.8.8.8'},subjectaltname: 'IP Address:8.8.8.8'}
101101
},
102102

103+
// An "IP Address:" SAN also matches an IPv6 host. Regression test for the
104+
// IDNA-normalization change: domainToASCII('::1') === '' (an IPv6 literal is
105+
// not a domain), which made the normalized host skip IPv6 IP-SAN matching.
106+
{
107+
host: '::1',
108+
cert: {subject: {},subjectaltname: 'IP Address:::1'}
109+
},
110+
111+
// IPv6 hosts and SANs are matched canonically.
112+
{
113+
host: '2001:db8::1',
114+
cert: {subject: {},subjectaltname: 'IP Address:2001:DB8:0:0:0:0:0:1'}
115+
},
116+
117+
// A non-matching IPv6 "IP Address:" SAN is rejected.
118+
{
119+
host: '::1',
120+
cert: {subject: {},subjectaltname: 'IP Address:::2'},
121+
error: 'IP: ::1 is not in the cert\'s list: ::2'
122+
},
123+
103124
// But not when it's a CIDR.
104125
{
105126
host: '8.8.8.8',
0 commit comments
Comments
 (0)

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Commit b9104de
Browse files
JumpLinkaduh95
JumpLink
authored and
aduh95
committed
tls: match IPv6 hosts against IP-Address SANs
checkServerIdentity() stopped matching an IPv6 host against a matching
IP-Address SAN. The hostname is now run through domainToASCII() before
the net.isIP() gate, and domainToASCII('::1') === '' (an IPv6 literal is
not a domain), so net.isIP('') is 0, the IP-SAN branch is skipped, and
verification fails with "Cert does not contain a DNS name". IPv4 is
unaffected because dotted-decimal survives domainToASCII().
Match IP hosts against the original hostname instead of the IDNA-
normalized one. net.isIP() rejects non-ASCII input, so there is no IDNA
confusion to guard against for an IP literal; the normalized form is
still used for the DNS-name path.
Fixes: #64144
Signed-off-by: Pascal Garber <pascal@artandcode.studio>
PR-URL: #64145
Reviewed-By: Tim Perry <pimterry@gmail.com>
1 parent 3f8b446 commit b9104de
2 files changed
Lines changed: 29 additions & 2 deletions
File tree
‎lib/tls.js‎
Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -431,8 +431,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
431431
letvalid=false;
432432
letreason='Unknown reason';
433433

434-
if(net.isIP(hostnameASCIIWithoutFQDN)){
435-
valid=ips.includes(canonicalizeIP(hostnameASCIIWithoutFQDN));
434+
// An IP literal must not be IDNA-normalized: domainToASCII() returns '' for
435+
// an IPv6 literal (it is not a domain), so matching against the normalized
436+
// host would skip IP-SAN matching for IPv6 entirely. Match IP hosts against
437+
// the original hostname (net.isIP() rejects non-ASCII, so there is no IDNA
438+
// confusion to guard against here); the normalized form is kept for the
439+
// DNS-name path below.
440+
if(net.isIP(hostname)){
441+
valid=ips.includes(canonicalizeIP(hostname));
436442
if(!valid){
437443
reason=
438444
`IP: ${hostname} is not in the cert's list: `+ips.join(', ');
‎test/parallel/test-tls-check-server-identity.js‎
Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -100,6 +100,27 @@ const tests = [
100100
cert: {subject: {CN: '8.8.8.8'},subjectaltname: 'IP Address:8.8.8.8'}
101101
},
102102

103+
// An "IP Address:" SAN also matches an IPv6 host. Regression test for the
104+
// IDNA-normalization change: domainToASCII('::1') === '' (an IPv6 literal is
105+
// not a domain), which made the normalized host skip IPv6 IP-SAN matching.
106+
{
107+
host: '::1',
108+
cert: {subject: {},subjectaltname: 'IP Address:::1'}
109+
},
110+
111+
// IPv6 hosts and SANs are matched canonically.
112+
{
113+
host: '2001:db8::1',
114+
cert: {subject: {},subjectaltname: 'IP Address:2001:DB8:0:0:0:0:0:1'}
115+
},
116+
117+
// A non-matching IPv6 "IP Address:" SAN is rejected.
118+
{
119+
host: '::1',
120+
cert: {subject: {},subjectaltname: 'IP Address:::2'},
121+
error: 'IP: ::1 is not in the cert\'s list: ::2'
122+
},
123+
103124
// But not when it's a CIDR.
104125
{
105126
host: '8.8.8.8',
0 commit comments
Comments
 (0)

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Commit b9104de
Browse files
JumpLinkaduh95
JumpLink
authored and
aduh95
committed
tls: match IPv6 hosts against IP-Address SANs
checkServerIdentity() stopped matching an IPv6 host against a matching
IP-Address SAN. The hostname is now run through domainToASCII() before
the net.isIP() gate, and domainToASCII('::1') === '' (an IPv6 literal is
not a domain), so net.isIP('') is 0, the IP-SAN branch is skipped, and
verification fails with "Cert does not contain a DNS name". IPv4 is
unaffected because dotted-decimal survives domainToASCII().
Match IP hosts against the original hostname instead of the IDNA-
normalized one. net.isIP() rejects non-ASCII input, so there is no IDNA
confusion to guard against for an IP literal; the normalized form is
still used for the DNS-name path.
Fixes: #64144
Signed-off-by: Pascal Garber <pascal@artandcode.studio>
PR-URL: #64145
Reviewed-By: Tim Perry <pimterry@gmail.com>
1 parent 3f8b446 commit b9104de
2 files changed
Lines changed: 29 additions & 2 deletions
File tree
‎lib/tls.js‎
Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -431,8 +431,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
431431
letvalid=false;
432432
letreason='Unknown reason';
433433

434-
if(net.isIP(hostnameASCIIWithoutFQDN)){
435-
valid=ips.includes(canonicalizeIP(hostnameASCIIWithoutFQDN));
434+
// An IP literal must not be IDNA-normalized: domainToASCII() returns '' for
435+
// an IPv6 literal (it is not a domain), so matching against the normalized
436+
// host would skip IP-SAN matching for IPv6 entirely. Match IP hosts against
437+
// the original hostname (net.isIP() rejects non-ASCII, so there is no IDNA
438+
// confusion to guard against here); the normalized form is kept for the
439+
// DNS-name path below.
440+
if(net.isIP(hostname)){
441+
valid=ips.includes(canonicalizeIP(hostname));
436442
if(!valid){
437443
reason=
438444
`IP: ${hostname} is not in the cert's list: `+ips.join(', ');
‎test/parallel/test-tls-check-server-identity.js‎
Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -100,6 +100,27 @@ const tests = [
100100
cert: {subject: {CN: '8.8.8.8'},subjectaltname: 'IP Address:8.8.8.8'}
101101
},
102102

103+
// An "IP Address:" SAN also matches an IPv6 host. Regression test for the
104+
// IDNA-normalization change: domainToASCII('::1') === '' (an IPv6 literal is
105+
// not a domain), which made the normalized host skip IPv6 IP-SAN matching.
106+
{
107+
host: '::1',
108+
cert: {subject: {},subjectaltname: 'IP Address:::1'}
109+
},
110+
111+
// IPv6 hosts and SANs are matched canonically.
112+
{
113+
host: '2001:db8::1',
114+
cert: {subject: {},subjectaltname: 'IP Address:2001:DB8:0:0:0:0:0:1'}
115+
},
116+
117+
// A non-matching IPv6 "IP Address:" SAN is rejected.
118+
{
119+
host: '::1',
120+
cert: {subject: {},subjectaltname: 'IP Address:::2'},
121+
error: 'IP: ::1 is not in the cert\'s list: ::2'
122+
},
123+
103124
// But not when it's a CIDR.
104125
{
105126
host: '8.8.8.8',
0 commit comments
Comments
 (0)

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
Commit b9104de
Browse files
JumpLinkaduh95
JumpLink
authored and
aduh95
committed
tls: match IPv6 hosts against IP-Address SANs
checkServerIdentity() stopped matching an IPv6 host against a matching
IP-Address SAN. The hostname is now run through domainToASCII() before
the net.isIP() gate, and domainToASCII('::1') === '' (an IPv6 literal is
not a domain), so net.isIP('') is 0, the IP-SAN branch is skipped, and
verification fails with "Cert does not contain a DNS name". IPv4 is
unaffected because dotted-decimal survives domainToASCII().
Match IP hosts against the original hostname instead of the IDNA-
normalized one. net.isIP() rejects non-ASCII input, so there is no IDNA
confusion to guard against for an IP literal; the normalized form is
still used for the DNS-name path.
Fixes: #64144
Signed-off-by: Pascal Garber <pascal@artandcode.studio>
PR-URL: #64145
Reviewed-By: Tim Perry <pimterry@gmail.com>
1 parent 3f8b446 commit b9104de
2 files changed
Lines changed: 29 additions & 2 deletions
File tree
‎lib/tls.js‎
Lines changed: 8 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -431,8 +431,14 @@ exports.checkServerIdentity = function checkServerIdentity(hostname, cert) {
431431
letvalid=false;
432432
letreason='Unknown reason';
433433

434-
if(net.isIP(hostnameASCIIWithoutFQDN)){
435-
valid=ips.includes(canonicalizeIP(hostnameASCIIWithoutFQDN));
434+
// An IP literal must not be IDNA-normalized: domainToASCII() returns '' for
435+
// an IPv6 literal (it is not a domain), so matching against the normalized
436+
// host would skip IP-SAN matching for IPv6 entirely. Match IP hosts against
437+
// the original hostname (net.isIP() rejects non-ASCII, so there is no IDNA
438+
// confusion to guard against here); the normalized form is kept for the
439+
// DNS-name path below.
440+
if(net.isIP(hostname)){
441+
valid=ips.includes(canonicalizeIP(hostname));
436442
if(!valid){
437443
reason=
438444
`IP: ${hostname} is not in the cert's list: `+ips.join(', ');
‎test/parallel/test-tls-check-server-identity.js‎
Lines changed: 21 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -100,6 +100,27 @@ const tests = [
100100
cert: {subject: {CN: '8.8.8.8'},subjectaltname: 'IP Address:8.8.8.8'}
101101
},
102102

103+
// An "IP Address:" SAN also matches an IPv6 host. Regression test for the
104+
// IDNA-normalization change: domainToASCII('::1') === '' (an IPv6 literal is
105+
// not a domain), which made the normalized host skip IPv6 IP-SAN matching.
106+
{
107+
host: '::1',
108+
cert: {subject: {},subjectaltname: 'IP Address:::1'}
109+
},
110+
111+
// IPv6 hosts and SANs are matched canonically.
112+
{
113+
host: '2001:db8::1',
114+
cert: {subject: {},subjectaltname: 'IP Address:2001:DB8:0:0:0:0:0:1'}
115+
},
116+
117+
// A non-matching IPv6 "IP Address:" SAN is rejected.
118+
{
119+
host: '::1',
120+
cert: {subject: {},subjectaltname: 'IP Address:::2'},
121+
error: 'IP: ::1 is not in the cert\'s list: ::2'
122+
},
123+
103124
// But not when it's a CIDR.
104125
{
105126
host: '8.8.8.8',
0 commit comments
Comments
 (0)