doc: document that an empty OPENSSL_CONF skips config loading#64949

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nodejs-github-bot merged 1 commit into from
Aug 21, 2026
+55 −2
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doc: document that an empty OPENSSL_CONF skips config loading #64949

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9 changes: 8 additions & 1 deletion doc/api/cli.md
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -4262,8 +4262,15 @@ added: v6.11.0
Load an OpenSSL configuration file on startup. The file can be used as part of
a [FIPS mode][] configuration.

If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when `/etc/ssl` is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any [FIPS mode][] setup the
file would have performed.

If the [`--openssl-config`][] command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.

### `SSL_CERT_DIR=dir`

Expand Down
8 changes: 7 additions & 1 deletion doc/node.1
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -2375,8 +2375,14 @@ environment variable is arbitrary.
.It Ev OPENSSL_CONF Ar file
Load an OpenSSL configuration file on startup. The file can be used as part of
a FIPS mode configuration.
If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when \fB/etc/ssl\fR is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any FIPS mode setup the
file would have performed.
If the \fB--openssl-config\fR command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.
.
.It Ev SSL_CERT_DIR Ar dir
If \fB--use-openssl-ca\fR is enabled, or if \fB--use-system-ca\fR is enabled on
Expand Down
40 changes: 40 additions & 0 deletions test/parallel/test-openssl-unreadable-config.js
View file
Open in desktop
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
'use strict';

// A default OpenSSL configuration file that cannot be read is fatal, and an
// empty OPENSSL_CONF is the documented way past it.
// Refs: https://github.com/nodejs/node/issues/62230

const common = require('../common');
const assert = require('node:assert');
const { spawnSync } = require('node:child_process');

if (!common.hasCrypto)
common.skip('missing crypto');
if (!common.isLinux)
common.skip('linux only');
if (process.config.variables.node_shared_openssl)
common.skip('shared openssl may read a different configuration file');

// Replace /etc/ssl with an empty tmpfs in a private mount namespace, where
// openssl.cnf is a symlink loop: opening it then fails with ELOOP instead of
// ENOENT, which OpenSSL ignores on its own. The namespace goes away with the
// process, so the host /etc/ssl is left alone.
const setup = 'mount -t tmpfs tmpfs /etc/ssl && ln -s openssl.cnf /etc/ssl/openssl.cnf';

if (spawnSync('unshare', ['-Urm', 'sh', '-c', setup]).status !== 0)
common.skip('cannot set up an unprivileged user and mount namespace');

function run(env) {
return spawnSync(
'unshare',
['-Urm', 'sh', '-c', `${setup} && exec "$0" -p 42`, process.execPath],
{ encoding: 'utf8', env: { ...process.env, ...env } });
}

const failed = run({});
assert.notStrictEqual(failed.status, 0);
assert.match(failed.stderr, /OpenSSL configuration error/);

const skipped = run({ OPENSSL_CONF: '' });
assert.strictEqual(skipped.status, 0);
assert.strictEqual(skipped.stdout.trim(), '42');
Loading
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

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doc: document that an empty OPENSSL_CONF skips config loading#64949

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 Merged

nodejs-github-bot
merged 1 commit into

from

Aug 21, 2026

+55

−2

 Merged


doc: document that an empty OPENSSL_CONF skips config loading
#64949
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9 changes: 8 additions & 1 deletion
doc/api/cli.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -4262,8 +4262,15 @@ added: v6.11.0
Load an OpenSSL configuration file on startup. The file can be used as part of
a [FIPS mode][] configuration.

If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when `/etc/ssl` is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any [FIPS mode][] setup the
file would have performed.

If the [`--openssl-config`][] command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.

### `SSL_CERT_DIR=dir`

Expand Down

8 changes: 7 additions & 1 deletion
doc/node.1

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -2375,8 +2375,14 @@ environment variable is arbitrary.
.It Ev OPENSSL_CONF Ar file
Load an OpenSSL configuration file on startup. The file can be used as part of
a FIPS mode configuration.
If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when \fB/etc/ssl\fR is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any FIPS mode setup the
file would have performed.
If the \fB--openssl-config\fR command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.
.
.It Ev SSL_CERT_DIR Ar dir
If \fB--use-openssl-ca\fR is enabled, or if \fB--use-system-ca\fR is enabled on
Expand Down

40 changes: 40 additions & 0 deletions
test/parallel/test-openssl-unreadable-config.js

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
'use strict';

// A default OpenSSL configuration file that cannot be read is fatal, and an
// empty OPENSSL_CONF is the documented way past it.
// Refs: https://github.com/nodejs/node/issues/62230

const common = require('../common');
const assert = require('node:assert');
const { spawnSync } = require('node:child_process');

if (!common.hasCrypto)
 common.skip('missing crypto');
if (!common.isLinux)
 common.skip('linux only');
if (process.config.variables.node_shared_openssl)
 common.skip('shared openssl may read a different configuration file');

// Replace /etc/ssl with an empty tmpfs in a private mount namespace, where
// openssl.cnf is a symlink loop: opening it then fails with ELOOP instead of
// ENOENT, which OpenSSL ignores on its own. The namespace goes away with the
// process, so the host /etc/ssl is left alone.
const setup = 'mount -t tmpfs tmpfs /etc/ssl && ln -s openssl.cnf /etc/ssl/openssl.cnf';

if (spawnSync('unshare', ['-Urm', 'sh', '-c', setup]).status !== 0)
 common.skip('cannot set up an unprivileged user and mount namespace');

function run(env) {
 return spawnSync(
 'unshare',
 ['-Urm', 'sh', '-c', `${setup} && exec "$0" -p 42`, process.execPath],
 { encoding: 'utf8', env: { ...process.env, ...env } });
}

const failed = run({});
assert.notStrictEqual(failed.status, 0);
assert.match(failed.stderr, /OpenSSL configuration error/);

const skipped = run({ OPENSSL_CONF: '' });
assert.strictEqual(skipped.status, 0);
assert.strictEqual(skipped.stdout.trim(), '42');
Loading

, '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
doc: document that an empty OPENSSL_CONF skips config loading#64949

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to your account

 Merged

nodejs-github-bot
merged 1 commit into

from

Aug 21, 2026

+55

−2

 Merged


doc: document that an empty OPENSSL_CONF skips config loading
#64949
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9 changes: 8 additions & 1 deletion
doc/api/cli.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -4262,8 +4262,15 @@ added: v6.11.0
Load an OpenSSL configuration file on startup. The file can be used as part of
a [FIPS mode][] configuration.

If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when `/etc/ssl` is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any [FIPS mode][] setup the
file would have performed.

If the [`--openssl-config`][] command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.

### `SSL_CERT_DIR=dir`

Expand Down

8 changes: 7 additions & 1 deletion
doc/node.1

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -2375,8 +2375,14 @@ environment variable is arbitrary.
.It Ev OPENSSL_CONF Ar file
Load an OpenSSL configuration file on startup. The file can be used as part of
a FIPS mode configuration.
If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when \fB/etc/ssl\fR is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any FIPS mode setup the
file would have performed.
If the \fB--openssl-config\fR command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.
.
.It Ev SSL_CERT_DIR Ar dir
If \fB--use-openssl-ca\fR is enabled, or if \fB--use-system-ca\fR is enabled on
Expand Down

40 changes: 40 additions & 0 deletions
test/parallel/test-openssl-unreadable-config.js

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
'use strict';

// A default OpenSSL configuration file that cannot be read is fatal, and an
// empty OPENSSL_CONF is the documented way past it.
// Refs: https://github.com/nodejs/node/issues/62230

const common = require('../common');
const assert = require('node:assert');
const { spawnSync } = require('node:child_process');

if (!common.hasCrypto)
 common.skip('missing crypto');
if (!common.isLinux)
 common.skip('linux only');
if (process.config.variables.node_shared_openssl)
 common.skip('shared openssl may read a different configuration file');

// Replace /etc/ssl with an empty tmpfs in a private mount namespace, where
// openssl.cnf is a symlink loop: opening it then fails with ELOOP instead of
// ENOENT, which OpenSSL ignores on its own. The namespace goes away with the
// process, so the host /etc/ssl is left alone.
const setup = 'mount -t tmpfs tmpfs /etc/ssl && ln -s openssl.cnf /etc/ssl/openssl.cnf';

if (spawnSync('unshare', ['-Urm', 'sh', '-c', setup]).status !== 0)
 common.skip('cannot set up an unprivileged user and mount namespace');

function run(env) {
 return spawnSync(
 'unshare',
 ['-Urm', 'sh', '-c', `${setup} && exec "$0" -p 42`, process.execPath],
 { encoding: 'utf8', env: { ...process.env, ...env } });
}

const failed = run({});
assert.notStrictEqual(failed.status, 0);
assert.match(failed.stderr, /OpenSSL configuration error/);

const skipped = run({ OPENSSL_CONF: '' });
assert.strictEqual(skipped.status, 0);
assert.strictEqual(skipped.stdout.trim(), '42');
Loading

, '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
doc: document that an empty OPENSSL_CONF skips config loading#64949

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

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 Merged

nodejs-github-bot
merged 1 commit into

from

Aug 21, 2026

+55

−2

 Merged


doc: document that an empty OPENSSL_CONF skips config loading
#64949
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9 changes: 8 additions & 1 deletion
doc/api/cli.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -4262,8 +4262,15 @@ added: v6.11.0
Load an OpenSSL configuration file on startup. The file can be used as part of
a [FIPS mode][] configuration.

If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when `/etc/ssl` is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any [FIPS mode][] setup the
file would have performed.

If the [`--openssl-config`][] command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.

### `SSL_CERT_DIR=dir`

Expand Down

8 changes: 7 additions & 1 deletion
doc/node.1

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -2375,8 +2375,14 @@ environment variable is arbitrary.
.It Ev OPENSSL_CONF Ar file
Load an OpenSSL configuration file on startup. The file can be used as part of
a FIPS mode configuration.
If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when \fB/etc/ssl\fR is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any FIPS mode setup the
file would have performed.
If the \fB--openssl-config\fR command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.
.
.It Ev SSL_CERT_DIR Ar dir
If \fB--use-openssl-ca\fR is enabled, or if \fB--use-system-ca\fR is enabled on
Expand Down

40 changes: 40 additions & 0 deletions
test/parallel/test-openssl-unreadable-config.js

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
'use strict';

// A default OpenSSL configuration file that cannot be read is fatal, and an
// empty OPENSSL_CONF is the documented way past it.
// Refs: https://github.com/nodejs/node/issues/62230

const common = require('../common');
const assert = require('node:assert');
const { spawnSync } = require('node:child_process');

if (!common.hasCrypto)
 common.skip('missing crypto');
if (!common.isLinux)
 common.skip('linux only');
if (process.config.variables.node_shared_openssl)
 common.skip('shared openssl may read a different configuration file');

// Replace /etc/ssl with an empty tmpfs in a private mount namespace, where
// openssl.cnf is a symlink loop: opening it then fails with ELOOP instead of
// ENOENT, which OpenSSL ignores on its own. The namespace goes away with the
// process, so the host /etc/ssl is left alone.
const setup = 'mount -t tmpfs tmpfs /etc/ssl && ln -s openssl.cnf /etc/ssl/openssl.cnf';

if (spawnSync('unshare', ['-Urm', 'sh', '-c', setup]).status !== 0)
 common.skip('cannot set up an unprivileged user and mount namespace');

function run(env) {
 return spawnSync(
 'unshare',
 ['-Urm', 'sh', '-c', `${setup} && exec "$0" -p 42`, process.execPath],
 { encoding: 'utf8', env: { ...process.env, ...env } });
}

const failed = run({});
assert.notStrictEqual(failed.status, 0);
assert.match(failed.stderr, /OpenSSL configuration error/);

const skipped = run({ OPENSSL_CONF: '' });
assert.strictEqual(skipped.status, 0);
assert.strictEqual(skipped.stdout.trim(), '42');
Loading

, '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
doc: document that an empty OPENSSL_CONF skips config loading#64949

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

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to your account

 Merged

nodejs-github-bot
merged 1 commit into

from

Aug 21, 2026

+55

−2

 Merged


doc: document that an empty OPENSSL_CONF skips config loading
#64949
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9 changes: 8 additions & 1 deletion
doc/api/cli.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -4262,8 +4262,15 @@ added: v6.11.0
Load an OpenSSL configuration file on startup. The file can be used as part of
a [FIPS mode][] configuration.

If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when `/etc/ssl` is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any [FIPS mode][] setup the
file would have performed.

If the [`--openssl-config`][] command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.

### `SSL_CERT_DIR=dir`

Expand Down

8 changes: 7 additions & 1 deletion
doc/node.1

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -2375,8 +2375,14 @@ environment variable is arbitrary.
.It Ev OPENSSL_CONF Ar file
Load an OpenSSL configuration file on startup. The file can be used as part of
a FIPS mode configuration.
If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when \fB/etc/ssl\fR is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any FIPS mode setup the
file would have performed.
If the \fB--openssl-config\fR command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.
.
.It Ev SSL_CERT_DIR Ar dir
If \fB--use-openssl-ca\fR is enabled, or if \fB--use-system-ca\fR is enabled on
Expand Down

40 changes: 40 additions & 0 deletions
test/parallel/test-openssl-unreadable-config.js

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
'use strict';

// A default OpenSSL configuration file that cannot be read is fatal, and an
// empty OPENSSL_CONF is the documented way past it.
// Refs: https://github.com/nodejs/node/issues/62230

const common = require('../common');
const assert = require('node:assert');
const { spawnSync } = require('node:child_process');

if (!common.hasCrypto)
 common.skip('missing crypto');
if (!common.isLinux)
 common.skip('linux only');
if (process.config.variables.node_shared_openssl)
 common.skip('shared openssl may read a different configuration file');

// Replace /etc/ssl with an empty tmpfs in a private mount namespace, where
// openssl.cnf is a symlink loop: opening it then fails with ELOOP instead of
// ENOENT, which OpenSSL ignores on its own. The namespace goes away with the
// process, so the host /etc/ssl is left alone.
const setup = 'mount -t tmpfs tmpfs /etc/ssl && ln -s openssl.cnf /etc/ssl/openssl.cnf';

if (spawnSync('unshare', ['-Urm', 'sh', '-c', setup]).status !== 0)
 common.skip('cannot set up an unprivileged user and mount namespace');

function run(env) {
 return spawnSync(
 'unshare',
 ['-Urm', 'sh', '-c', `${setup} && exec "$0" -p 42`, process.execPath],
 { encoding: 'utf8', env: { ...process.env, ...env } });
}

const failed = run({});
assert.notStrictEqual(failed.status, 0);
assert.match(failed.stderr, /OpenSSL configuration error/);

const skipped = run({ OPENSSL_CONF: '' });
assert.strictEqual(skipped.status, 0);
assert.strictEqual(skipped.stdout.trim(), '42');
Loading

, '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
doc: document that an empty OPENSSL_CONF skips config loading#64949

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 Merged

nodejs-github-bot
merged 1 commit into

from

Aug 21, 2026

+55

−2

 Merged


doc: document that an empty OPENSSL_CONF skips config loading
#64949
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9 changes: 8 additions & 1 deletion
doc/api/cli.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -4262,8 +4262,15 @@ added: v6.11.0
Load an OpenSSL configuration file on startup. The file can be used as part of
a [FIPS mode][] configuration.

If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when `/etc/ssl` is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any [FIPS mode][] setup the
file would have performed.

If the [`--openssl-config`][] command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.

### `SSL_CERT_DIR=dir`

Expand Down

8 changes: 7 additions & 1 deletion
doc/node.1

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -2375,8 +2375,14 @@ environment variable is arbitrary.
.It Ev OPENSSL_CONF Ar file
Load an OpenSSL configuration file on startup. The file can be used as part of
a FIPS mode configuration.
If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when \fB/etc/ssl\fR is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any FIPS mode setup the
file would have performed.
If the \fB--openssl-config\fR command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.
.
.It Ev SSL_CERT_DIR Ar dir
If \fB--use-openssl-ca\fR is enabled, or if \fB--use-system-ca\fR is enabled on
Expand Down

40 changes: 40 additions & 0 deletions
test/parallel/test-openssl-unreadable-config.js

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
'use strict';

// A default OpenSSL configuration file that cannot be read is fatal, and an
// empty OPENSSL_CONF is the documented way past it.
// Refs: https://github.com/nodejs/node/issues/62230

const common = require('../common');
const assert = require('node:assert');
const { spawnSync } = require('node:child_process');

if (!common.hasCrypto)
 common.skip('missing crypto');
if (!common.isLinux)
 common.skip('linux only');
if (process.config.variables.node_shared_openssl)
 common.skip('shared openssl may read a different configuration file');

// Replace /etc/ssl with an empty tmpfs in a private mount namespace, where
// openssl.cnf is a symlink loop: opening it then fails with ELOOP instead of
// ENOENT, which OpenSSL ignores on its own. The namespace goes away with the
// process, so the host /etc/ssl is left alone.
const setup = 'mount -t tmpfs tmpfs /etc/ssl && ln -s openssl.cnf /etc/ssl/openssl.cnf';

if (spawnSync('unshare', ['-Urm', 'sh', '-c', setup]).status !== 0)
 common.skip('cannot set up an unprivileged user and mount namespace');

function run(env) {
 return spawnSync(
 'unshare',
 ['-Urm', 'sh', '-c', `${setup} && exec "$0" -p 42`, process.execPath],
 { encoding: 'utf8', env: { ...process.env, ...env } });
}

const failed = run({});
assert.notStrictEqual(failed.status, 0);
assert.match(failed.stderr, /OpenSSL configuration error/);

const skipped = run({ OPENSSL_CONF: '' });
assert.strictEqual(skipped.status, 0);
assert.strictEqual(skipped.stdout.trim(), '42');
Loading

, '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
doc: document that an empty OPENSSL_CONF skips config loading#64949

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

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to your account

 Merged

nodejs-github-bot
merged 1 commit into

from

Aug 21, 2026

+55

−2

 Merged


doc: document that an empty OPENSSL_CONF skips config loading
#64949
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9 changes: 8 additions & 1 deletion
doc/api/cli.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -4262,8 +4262,15 @@ added: v6.11.0
Load an OpenSSL configuration file on startup. The file can be used as part of
a [FIPS mode][] configuration.

If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when `/etc/ssl` is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any [FIPS mode][] setup the
file would have performed.

If the [`--openssl-config`][] command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.

### `SSL_CERT_DIR=dir`

Expand Down

8 changes: 7 additions & 1 deletion
doc/node.1

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -2375,8 +2375,14 @@ environment variable is arbitrary.
.It Ev OPENSSL_CONF Ar file
Load an OpenSSL configuration file on startup. The file can be used as part of
a FIPS mode configuration.
If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when \fB/etc/ssl\fR is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any FIPS mode setup the
file would have performed.
If the \fB--openssl-config\fR command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.
.
.It Ev SSL_CERT_DIR Ar dir
If \fB--use-openssl-ca\fR is enabled, or if \fB--use-system-ca\fR is enabled on
Expand Down

40 changes: 40 additions & 0 deletions
test/parallel/test-openssl-unreadable-config.js

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
'use strict';

// A default OpenSSL configuration file that cannot be read is fatal, and an
// empty OPENSSL_CONF is the documented way past it.
// Refs: https://github.com/nodejs/node/issues/62230

const common = require('../common');
const assert = require('node:assert');
const { spawnSync } = require('node:child_process');

if (!common.hasCrypto)
 common.skip('missing crypto');
if (!common.isLinux)
 common.skip('linux only');
if (process.config.variables.node_shared_openssl)
 common.skip('shared openssl may read a different configuration file');

// Replace /etc/ssl with an empty tmpfs in a private mount namespace, where
// openssl.cnf is a symlink loop: opening it then fails with ELOOP instead of
// ENOENT, which OpenSSL ignores on its own. The namespace goes away with the
// process, so the host /etc/ssl is left alone.
const setup = 'mount -t tmpfs tmpfs /etc/ssl && ln -s openssl.cnf /etc/ssl/openssl.cnf';

if (spawnSync('unshare', ['-Urm', 'sh', '-c', setup]).status !== 0)
 common.skip('cannot set up an unprivileged user and mount namespace');

function run(env) {
 return spawnSync(
 'unshare',
 ['-Urm', 'sh', '-c', `${setup} && exec "$0" -p 42`, process.execPath],
 { encoding: 'utf8', env: { ...process.env, ...env } });
}

const failed = run({});
assert.notStrictEqual(failed.status, 0);
assert.match(failed.stderr, /OpenSSL configuration error/);

const skipped = run({ OPENSSL_CONF: '' });
assert.strictEqual(skipped.status, 0);
assert.strictEqual(skipped.stdout.trim(), '42');
Loading

, '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
doc: document that an empty OPENSSL_CONF skips config loading#64949

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Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

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privacy statement. We’ll occasionally send you account related emails.

Already on GitHub?
Sign in
to your account

 Merged

nodejs-github-bot
merged 1 commit into

from

Aug 21, 2026

+55

−2

 Merged


doc: document that an empty OPENSSL_CONF skips config loading
#64949
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9 changes: 8 additions & 1 deletion
doc/api/cli.md

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -4262,8 +4262,15 @@ added: v6.11.0
Load an OpenSSL configuration file on startup. The file can be used as part of
a [FIPS mode][] configuration.

If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when `/etc/ssl` is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any [FIPS mode][] setup the
file would have performed.

If the [`--openssl-config`][] command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.

### `SSL_CERT_DIR=dir`

Expand Down

8 changes: 7 additions & 1 deletion
doc/node.1

View file


Open in desktop

Original file line numberDiff line numberDiff line change
Expand Up@@ -2375,8 +2375,14 @@ environment variable is arbitrary.
.It Ev OPENSSL_CONF Ar file
Load an OpenSSL configuration file on startup. The file can be used as part of
a FIPS mode configuration.
If the variable is set to an empty value, Node.js starts without loading any
OpenSSL configuration file. This is a way past a default configuration file
that exists but cannot be read, for example when \fB/etc/ssl\fR is not accessible
to the user Node.js runs as, which is otherwise fatal at startup. No
configuration is applied in that case, including any FIPS mode setup the
file would have performed.
If the \fB--openssl-config\fR command-line option is used, the environment
variable is ignored.
variable is ignored, and an empty value has no effect.
.
.It Ev SSL_CERT_DIR Ar dir
If \fB--use-openssl-ca\fR is enabled, or if \fB--use-system-ca\fR is enabled on
Expand Down

40 changes: 40 additions & 0 deletions
test/parallel/test-openssl-unreadable-config.js

View file


Open in desktop

Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
'use strict';

// A default OpenSSL configuration file that cannot be read is fatal, and an
// empty OPENSSL_CONF is the documented way past it.
// Refs: https://github.com/nodejs/node/issues/62230

const common = require('../common');
const assert = require('node:assert');
const { spawnSync } = require('node:child_process');

if (!common.hasCrypto)
 common.skip('missing crypto');
if (!common.isLinux)
 common.skip('linux only');
if (process.config.variables.node_shared_openssl)
 common.skip('shared openssl may read a different configuration file');

// Replace /etc/ssl with an empty tmpfs in a private mount namespace, where
// openssl.cnf is a symlink loop: opening it then fails with ELOOP instead of
// ENOENT, which OpenSSL ignores on its own. The namespace goes away with the
// process, so the host /etc/ssl is left alone.
const setup = 'mount -t tmpfs tmpfs /etc/ssl && ln -s openssl.cnf /etc/ssl/openssl.cnf';

if (spawnSync('unshare', ['-Urm', 'sh', '-c', setup]).status !== 0)
 common.skip('cannot set up an unprivileged user and mount namespace');

function run(env) {
 return spawnSync(
 'unshare',
 ['-Urm', 'sh', '-c', `${setup} && exec "$0" -p 42`, process.execPath],
 { encoding: 'utf8', env: { ...process.env, ...env } });
}

const failed = run({});
assert.notStrictEqual(failed.status, 0);
assert.match(failed.stderr, /OpenSSL configuration error/);

const skipped = run({ OPENSSL_CONF: '' });
assert.strictEqual(skipped.status, 0);
assert.strictEqual(skipped.stdout.trim(), '42');
Loading