From ea753a152cbf3a2658b5ec5bacfb738c13a4c476 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Wed, 2 Oct 2013 19:21:01 +0200 Subject: conntrackd: cthelper: add TFTP helper This patch adds an userspace port of the TFTP helper that is currently implemented in the kernel. This includes NAT support. It requires a Linux kernel 3.12. Signed-off-by: Pablo Neira Ayuso --- src/expect.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) (limited to 'src/expect.c') diff --git a/src/expect.c b/src/expect.c index 470b9ae..bba0ed7 100644 --- a/src/expect.c +++ b/src/expect.c @@ -212,3 +212,27 @@ cthelper_get_addr_dst(struct nf_conntrack *ct, int dir, break; } } + +void cthelper_get_port_src(struct nf_conntrack *ct, int dir, uint16_t *port) +{ + switch (dir) { + case MYCT_DIR_ORIG: + *port = nfct_get_attr_u16(ct, ATTR_PORT_SRC); + break; + case MYCT_DIR_REPL: + *port = nfct_get_attr_u16(ct, ATTR_REPL_PORT_SRC); + break; + } +} + +void cthelper_get_port_dst(struct nf_conntrack *ct, int dir, uint16_t *port) +{ + switch (dir) { + case MYCT_DIR_ORIG: + *port = nfct_get_attr_u16(ct, ATTR_PORT_DST); + break; + case MYCT_DIR_REPL: + *port = nfct_get_attr_u16(ct, ATTR_REPL_PORT_DST); + break; + } +} -- cgit v1.2.3