Fix "No Agreement" behavior for 1.2.3 clients

diff --git a/hotline/server.go b/hotline/server.go
index f3574dea99e0b047b6ab78776311c0b850269803..0d66e08f1290f3adc4a54caa81b696474be8c39a 100644 (file)
--- a/hotline/server.go
+++ b/hotline/server.go
@@ -653,9 +653,14 @@ func (s *Server) handleNewConnection(ctx context.Context, rwc io.ReadWriteCloser
        // Send user access privs so client UI knows how to behave
        c.Server.outbox <- *NewTransaction(tranUserAccess, c.ID, NewField(fieldUserAccess, *c.Account.Access))
 
-       // Users with accessNoAgreement do not receive the server agreement on login
+       // Accounts with accessNoAgreement do not receive the server agreement on login.  The behavior is different between
+       // client versions.  For 1.2.3 client, we do not send tranShowAgreement.  For other client versions, we send
+       // tranShowAgreement but with the NoServerAgreement field set to 1.
        if c.Authorize(accessNoAgreement) {
-               c.Server.outbox <- *NewTransaction(tranShowAgreement, c.ID, NewField(fieldNoServerAgreement, []byte{1}))
+               // If client version is nil, then the client uses the 1.2.3 login behavior
+               if c.Version != nil {
+                       c.Server.outbox <- *NewTransaction(tranShowAgreement, c.ID, NewField(fieldNoServerAgreement, []byte{1}))
+               }
        } else {
                c.Server.outbox <- *NewTransaction(tranShowAgreement, c.ID, NewField(fieldData, s.Agreement))
        }