From c256566aa97e040a9b3007c779b1006d20462ccb Mon Sep 17 00:00:00 2001 From: Kai Blin Date: Fri, 31 Aug 2012 13:41:19 +0200 Subject: s4 dns: Store TKEYs in a ringbuffer This stops us from potentially being DoSed by tons of TKEYs Autobuild-User(master): Kai Blin Autobuild-Date(master): Fri Aug 31 22:46:01 CEST 2012 on sn-devel-104 --- source4/dns_server/dns_server.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'source4/dns_server/dns_server.h') diff --git a/source4/dns_server/dns_server.h b/source4/dns_server/dns_server.h index c2fe6cf9e8..42ae0ba660 100644 --- a/source4/dns_server/dns_server.h +++ b/source4/dns_server/dns_server.h @@ -34,7 +34,6 @@ struct dns_server_zone { }; struct dns_server_tkey { - struct dns_server_tkey *prev, *next; const char *name; enum dns_tkey_mode mode; struct auth_session_info *session_info; @@ -42,11 +41,19 @@ struct dns_server_tkey { bool complete; }; +#define TKEY_BUFFER_SIZE 128 + +struct dns_server_tkey_store { + struct dns_server_tkey **tkeys; + uint16_t next_idx; + uint16_t size; +}; + struct dns_server { struct task_server *task; struct ldb_context *samdb; struct dns_server_zone *zones; - struct dns_server_tkey *tkeys; + struct dns_server_tkey_store *tkeys; struct cli_credentials *server_credentials; }; -- cgit