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When a message is shared, share its transitive dependencies

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Like other recursive operations on the dependency graph, this is
not done in a single transaction to prevent an attacker from creating
arbitrary large transactions.

So at startup, the `ValidationManager` finds and resumes any
unfinished operations, by looking for shared messages with unshared
dependencies.
This commit is contained in:
Torsten Grote
2016-08-31 13:15:59 -03:00
parent 7a0db798d1
commit d058172429
19 changed files with 480 additions and 76 deletions
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7
briar-core/src/org/briarproject/introduction/IntroductionManagerImpl.java
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@@ -207,7 +207,7 @@ class IntroductionManagerImpl extends BdfIncomingMessageHook
* in the introduction protocol and which engine we need to start.
*/
@Override
protected void incomingMessage(Transaction txn, Message m, BdfList body,
protected boolean incomingMessage(Transaction txn, Message m, BdfList body,
BdfDictionary message) throws DbException {
// Get message data and type
@@ -233,7 +233,7 @@ class IntroductionManagerImpl extends BdfIncomingMessageHook
LOG.log(WARNING, e.toString(), e);
}
deleteMessage(txn, m.getId());
return;
return false;
}
try {
introduceeManager.incomingMessage(txn, state, message);
@@ -254,7 +254,7 @@ class IntroductionManagerImpl extends BdfIncomingMessageHook
} catch (FormatException e) {
LOG.warning("Could not find state for message, deleting...");
deleteMessage(txn, m.getId());
return;
return false;
}
long role = state.getLong(ROLE, -1L);
@@ -285,6 +285,7 @@ class IntroductionManagerImpl extends BdfIncomingMessageHook
LOG.warning("Unknown message type '" + type + "', deleting...");
}
}
return false;
}
@Override