From 42b133748f67392116e98202b5e7b3285c803ea3 Mon Sep 17 00:00:00 2001 From: Stefan Metzmacher Date: Fri, 27 Apr 2007 05:45:53 +0000 Subject: r22528: remember that the connection was marked dead and don't allow sending packet over the broken connection, as we would segfault... metze (This used to be commit 738b2c74117bdbef3b314c37f01f2f73b7a80685) --- source4/librpc/rpc/dcerpc_smb2.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'source4/librpc/rpc/dcerpc_smb2.c') diff --git a/source4/librpc/rpc/dcerpc_smb2.c b/source4/librpc/rpc/dcerpc_smb2.c index 385cb00919..15605c21da 100644 --- a/source4/librpc/rpc/dcerpc_smb2.c +++ b/source4/librpc/rpc/dcerpc_smb2.c @@ -33,6 +33,7 @@ struct smb2_private { struct smb2_handle handle; struct smb2_tree *tree; const char *server_name; + bool dead; }; @@ -41,6 +42,14 @@ struct smb2_private { */ static void pipe_dead(struct dcerpc_connection *c, NTSTATUS status) { + struct smb2_private *smb = c->transport.private; + + smb->dead = true; + + if (smb->dead) { + return; + } + if (NT_STATUS_EQUAL(NT_STATUS_UNSUCCESSFUL, status)) { status = NT_STATUS_UNEXPECTED_NETWORK_ERROR; } @@ -183,6 +192,12 @@ static NTSTATUS send_read_request_continue(struct dcerpc_connection *c, DATA_BLO */ static NTSTATUS send_read_request(struct dcerpc_connection *c) { + struct smb2_private *smb = c->transport.private; + + if (smb->dead) { + return NT_STATUS_CONNECTION_DISCONNECTED; + } + return send_read_request_continue(c, NULL); } @@ -287,6 +302,10 @@ static NTSTATUS smb2_send_request(struct dcerpc_connection *c, DATA_BLOB *blob, struct smb2_write io; struct smb2_request *req; + if (smb->dead) { + return NT_STATUS_CONNECTION_DISCONNECTED; + } + if (trigger_read) { return smb2_send_trans_request(c, blob); } @@ -461,6 +480,7 @@ static void pipe_open_recv(struct smb2_request *req) smb->server_name= strupper_talloc(smb, tree->session->transport->socket->hostname); if (composite_nomem(smb->server_name, ctx)) return; + smb->dead = false; c->transport.private = smb; -- cgit