From 9a78dae24869d94d65aebe077c11eac6495b5ae1 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Tue, 15 May 2012 01:51:29 +0200 Subject: conntrackd: add cthelper infrastructure (+ example FTP helper) This patch adds the user-space helper infrastructure. It also contains the implementation of the FTP helper in user-space. There's one example file that you can use to configure conntrackd as user-space connection tracking helper under: doc/helper/conntrackd.conf Signed-off-by: Pablo Neira Ayuso --- include/stack.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 include/stack.h (limited to 'include/stack.h') diff --git a/include/stack.h b/include/stack.h new file mode 100644 index 0000000..512a30f --- /dev/null +++ b/include/stack.h @@ -0,0 +1,28 @@ +#ifndef _STACK_H_ +#define _STACK_H_ + +#include "linux_list.h" + +struct stack { + struct list_head list; + int items; +}; + +static inline void stack_init(struct stack *s) +{ + INIT_LIST_HEAD(&s->list); +} + +struct stack_item { + struct list_head head; + int type; + int data_len; + char data[0]; +}; + +struct stack_item *stack_item_alloc(int type, size_t data_len); +void stack_item_free(struct stack_item *e); +void stack_item_push(struct stack *s, struct stack_item *e); +struct stack_item *stack_item_pop(struct stack *s, int type); + +#endif -- cgit v1.2.3