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rcordier pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/james-jspf.git
The following commit(s) were added to refs/heads/master by this push:
new 13711f0 JSPF-110 Prevent infinite loop in error handling
13711f0 is described below
commit 13711f00e83b6422cb8f9253ad1fc997a08d1283
Author: Benoit TELLIER <[email protected]>
AuthorDate: Fri May 31 17:23:07 2024 +0200
JSPF-110 Prevent infinite loop in error handling
---
.../java/org/apache/james/jspf/core/SPFSession.java | 17 +++++++++++++++++
.../james/jspf/executor/AsynchronousSPFExecutor.java | 8 ++++----
.../james/jspf/executor/StagedMultipleSPFExecutor.java | 8 ++++----
.../james/jspf/executor/SynchronousSPFExecutor.java | 8 ++++----
4 files changed, 29 insertions(+), 12 deletions(-)
diff --git a/resolver/src/main/java/org/apache/james/jspf/core/SPFSession.java
b/resolver/src/main/java/org/apache/james/jspf/core/SPFSession.java
index deb2ad3..90651a7 100644
--- a/resolver/src/main/java/org/apache/james/jspf/core/SPFSession.java
+++ b/resolver/src/main/java/org/apache/james/jspf/core/SPFSession.java
@@ -25,6 +25,7 @@ import
org.apache.james.jspf.core.exceptions.PermErrorException;
import java.util.HashMap;
import java.util.Map;
import java.util.Stack;
+import java.util.function.Predicate;
/**
*
@@ -369,6 +370,22 @@ public class SPFSession implements MacroData {
}
}
+ public SPFChecker popChecker(Predicate<SPFChecker> predicate) {
+ SPFChecker result = null;
+ while (result == null) {
+ if (checkers.isEmpty()) {
+ return null;
+ }
+ SPFChecker checker = checkers.pop();
+ if (predicate.test(checker)) {
+ result = checker;
+ }
+ }
+ return result;
+ }
+
+
+
/**
* @param result
*/
diff --git
a/resolver/src/main/java/org/apache/james/jspf/executor/AsynchronousSPFExecutor.java
b/resolver/src/main/java/org/apache/james/jspf/executor/AsynchronousSPFExecutor.java
index 0b950b3..4e8d971 100644
---
a/resolver/src/main/java/org/apache/james/jspf/executor/AsynchronousSPFExecutor.java
+++
b/resolver/src/main/java/org/apache/james/jspf/executor/AsynchronousSPFExecutor.java
@@ -103,16 +103,16 @@ public class AsynchronousSPFExecutor implements
SPFExecutor {
private void handleError(SPFSession session, SPFChecker checker, Exception
e) {
while (e != null) {
- while (checker == null || !(checker instanceof
SPFCheckerExceptionCatcher)) {
- checker = session.popChecker();
+ checker = session.popChecker(c -> c instanceof
SPFCheckerExceptionCatcher);
+ if (checker == null) {
+ // Error case not handled by JSPF. Throw to avoid infinite
loop. See JSPF-110.
+ throw new RuntimeException(e);
}
try {
((SPFCheckerExceptionCatcher) checker).onException(e, session);
e = null;
} catch (SPFResultException ex) {
e = ex;
- } finally {
- checker = null;
}
}
}
diff --git
a/resolver/src/main/java/org/apache/james/jspf/executor/StagedMultipleSPFExecutor.java
b/resolver/src/main/java/org/apache/james/jspf/executor/StagedMultipleSPFExecutor.java
index f1ee767..47f597d 100644
---
a/resolver/src/main/java/org/apache/james/jspf/executor/StagedMultipleSPFExecutor.java
+++
b/resolver/src/main/java/org/apache/james/jspf/executor/StagedMultipleSPFExecutor.java
@@ -128,16 +128,16 @@ public class StagedMultipleSPFExecutor implements
SPFExecutor, Runnable {
}
} catch (Exception e) {
while (e != null) {
- while (checker == null || !(checker instanceof
SPFCheckerExceptionCatcher)) {
- checker = session.popChecker();
+ checker = session.popChecker(c -> c instanceof
SPFCheckerExceptionCatcher);
+ if (checker == null) {
+ // Error case not handled by JSPF. Throw to avoid
infinite loop. See JSPF-110.
+ throw new RuntimeException(e);
}
try {
((SPFCheckerExceptionCatcher) checker).onException(e,
session);
e = null;
} catch (SPFResultException ex) {
e = ex;
- } finally {
- checker = null;
}
}
}
diff --git
a/resolver/src/main/java/org/apache/james/jspf/executor/SynchronousSPFExecutor.java
b/resolver/src/main/java/org/apache/james/jspf/executor/SynchronousSPFExecutor.java
index 882a6dc..db614dc 100644
---
a/resolver/src/main/java/org/apache/james/jspf/executor/SynchronousSPFExecutor.java
+++
b/resolver/src/main/java/org/apache/james/jspf/executor/SynchronousSPFExecutor.java
@@ -65,16 +65,16 @@ public class SynchronousSPFExecutor implements SPFExecutor {
}
} catch (Exception e) {
while (e != null) {
- while (checker == null || !(checker instanceof
SPFCheckerExceptionCatcher)) {
- checker = session.popChecker();
+ checker = session.popChecker(c -> c instanceof
SPFCheckerExceptionCatcher);
+ if (checker == null) {
+ // Error case not handled by JSPF. Throw to avoid
infinite loop. See JSPF-110.
+ throw new RuntimeException(e);
}
try {
((SPFCheckerExceptionCatcher) checker).onException(e,
session);
e = null;
} catch (SPFResultException ex) {
e = ex;
- } finally {
- checker = null;
}
}
}
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