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-rw-r--r--source4/smb_server/smb_server.c14
-rw-r--r--source4/smb_server/smb_server.h2
2 files changed, 16 insertions, 0 deletions
diff --git a/source4/smb_server/smb_server.c b/source4/smb_server/smb_server.c
index 3b4d06f3b2..7e0aa2c0cb 100644
--- a/source4/smb_server/smb_server.c
+++ b/source4/smb_server/smb_server.c
@@ -665,7 +665,18 @@ static void smbsrv_recv(struct stream_connection *conn, uint16_t flags)
DEBUG(10,("smbsrv_recv\n"));
+ /* our backends are designed to process one request at a time,
+ unless they deliberately mark the request as async and
+ process it later on a timer or other event. This enforces
+ that ordering. */
+ if (smb_conn->processing) {
+ EVENT_FD_NOT_READABLE(conn->event.fde);
+ return;
+ }
+
+ smb_conn->processing = True;
status = receive_smb_request(smb_conn);
+ smb_conn->processing = False;
if (NT_STATUS_IS_ERR(status)) {
talloc_free(conn->event.fde);
conn->event.fde = NULL;
@@ -673,6 +684,8 @@ static void smbsrv_recv(struct stream_connection *conn, uint16_t flags)
return;
}
+ EVENT_FD_READABLE(conn->event.fde);
+
/* free up temporary memory */
lp_talloc_free();
}
@@ -749,6 +762,7 @@ static void smbsrv_accept(struct stream_connection *conn)
smbsrv_tcon_init(smb_conn);
smb_conn->connection = conn;
+ smb_conn->processing = False;
conn->private = smb_conn;
}
diff --git a/source4/smb_server/smb_server.h b/source4/smb_server/smb_server.h
index 01222adc0c..a8e9d7ed34 100644
--- a/source4/smb_server/smb_server.h
+++ b/source4/smb_server/smb_server.h
@@ -254,4 +254,6 @@ struct smbsrv_connection {
struct smb_trans2 *trans;
uint8_t command;
} *trans_partial;
+
+ BOOL processing;
};