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markt-asf pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/tomcat.git
The following commit(s) were added to refs/heads/main by this push:
new 3d2e7e636e Allow for absolute host names in SNI checks.
3d2e7e636e is described below
commit 3d2e7e636e2172d3eb83de1df0b3daa5e8880585
Author: Mark Thomas <[email protected]>
AuthorDate: Fri Sep 18 20:58:41 2026 +0100
Allow for absolute host names in SNI checks.
---
java/org/apache/tomcat/util/net/AbstractEndpoint.java | 3 +++
webapps/docs/changelog.xml | 3 +++
2 files changed, 6 insertions(+)
diff --git a/java/org/apache/tomcat/util/net/AbstractEndpoint.java
b/java/org/apache/tomcat/util/net/AbstractEndpoint.java
index 30d4fb8b11..ad2a52cadd 100644
--- a/java/org/apache/tomcat/util/net/AbstractEndpoint.java
+++ b/java/org/apache/tomcat/util/net/AbstractEndpoint.java
@@ -929,6 +929,9 @@ public abstract class AbstractEndpoint<S, U> {
* protocol host name uses the default SSLHostConfig configuration, and
false otherwise
*/
public boolean checkSni(String sniHostName, String protocolHostName) {
+ if (protocolHostName != null && protocolHostName.endsWith(".")) {
+ protocolHostName = protocolHostName.substring(0,
protocolHostName.length() - 1);
+ }
return (!strictSni || !isSSLEnabled()
|| (sniHostName != null &&
sniHostName.equalsIgnoreCase(protocolHostName))
|| getSSLHostConfig(sniHostName) == getSSLHostConfig(
diff --git a/webapps/docs/changelog.xml b/webapps/docs/changelog.xml
index e680dfa14e..1508835008 100644
--- a/webapps/docs/changelog.xml
+++ b/webapps/docs/changelog.xml
@@ -390,6 +390,9 @@
Fix possible TLS connections failures caused by one of the flags Tomcat
uses to track TLS handshake progress not being correctly reset. (markt)
</fix>
+ <fix>
+ Allow for absolute host names in SNI checks. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Jasper">
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