summaryrefslogtreecommitdiffstats
path: root/extensions/libnetfilter_conntrack_icmp.c
diff options
context:
space:
mode:
author/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org </C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org>2008-01-13 17:17:11 +0000
committer/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org </C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org>2008-01-13 17:17:11 +0000
commitcdc8744396470397dcbb9b50dc197526c4cb834c (patch)
treeafc721a43ce593dc8c2203d8f001629103bbea64 /extensions/libnetfilter_conntrack_icmp.c
parentae862addbf9456adad105df24b49e34921298de7 (diff)
Several tree reorganizations:
- move l3extensions/ and extensions/ to src/deprecated/ - don't create submodules under /usr/lib/libnetfilter_conntrack/ anymore
Diffstat (limited to 'extensions/libnetfilter_conntrack_icmp.c')
-rw-r--r--extensions/libnetfilter_conntrack_icmp.c90
1 files changed, 0 insertions, 90 deletions
diff --git a/extensions/libnetfilter_conntrack_icmp.c b/extensions/libnetfilter_conntrack_icmp.c
deleted file mode 100644
index 72a7eb0..0000000
--- a/extensions/libnetfilter_conntrack_icmp.c
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * (C) 2005 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
-#include <stdio.h>
-#include <getopt.h>
-#include <stdlib.h>
-#include <string.h>
-#include <netinet/in.h> /* For htons */
-#include <libnetfilter_conntrack/linux_nfnetlink_conntrack.h>
-#include <libnetfilter_conntrack/libnetfilter_conntrack.h>
-#include <libnetfilter_conntrack/libnetfilter_conntrack_extensions.h>
-#include <libnetfilter_conntrack/libnetfilter_conntrack_icmp.h>
-
-static void parse_proto(struct nfattr *cda[], struct nfct_tuple *tuple)
-{
- if (cda[CTA_PROTO_ICMP_TYPE-1])
- tuple->l4dst.icmp.type =
- *(u_int8_t *)NFA_DATA(cda[CTA_PROTO_ICMP_TYPE-1]);
-
- if (cda[CTA_PROTO_ICMP_CODE-1])
- tuple->l4dst.icmp.code =
- *(u_int8_t *)NFA_DATA(cda[CTA_PROTO_ICMP_CODE-1]);
-
- if (cda[CTA_PROTO_ICMP_ID-1])
- tuple->l4src.icmp.id =
- *(u_int16_t *)NFA_DATA(cda[CTA_PROTO_ICMP_ID-1]);
-}
-
-static void build_tuple_proto(struct nfnlhdr *req, int size,
- struct nfct_tuple *t)
-{
- nfnl_addattr_l(&req->nlh, size, CTA_PROTO_ICMP_CODE,
- &t->l4dst.icmp.code, sizeof(u_int8_t));
- nfnl_addattr_l(&req->nlh, size, CTA_PROTO_ICMP_TYPE,
- &t->l4dst.icmp.type, sizeof(u_int8_t));
- nfnl_addattr_l(&req->nlh, size, CTA_PROTO_ICMP_ID,
- &t->l4src.icmp.id, sizeof(u_int16_t));
-}
-
-static int print_proto(char *buf, struct nfct_tuple *t)
-{
- /* The ID only makes sense some ICMP messages but we want to
- * display the same output that /proc/net/ip_conntrack does */
- return (sprintf(buf, "type=%d code=%d id=%d ",t->l4dst.icmp.type,
- t->l4dst.icmp.code,
- ntohs(t->l4src.icmp.id)));
-}
-
-static int compare(struct nfct_conntrack *ct1,
- struct nfct_conntrack *ct2,
- unsigned int flags)
-{
- if (flags & ICMP_TYPE)
- if (ct1->tuple[NFCT_DIR_ORIGINAL].l4dst.icmp.type !=
- ct2->tuple[NFCT_DIR_ORIGINAL].l4dst.icmp.type)
- return 0;
- if (flags & ICMP_CODE)
- if (ct1->tuple[NFCT_DIR_ORIGINAL].l4dst.icmp.code !=
- ct2->tuple[NFCT_DIR_ORIGINAL].l4dst.icmp.code)
- return 0;
- if (flags & ICMP_ID)
- if (ct1->tuple[NFCT_DIR_REPLY].l4src.icmp.id !=
- ct2->tuple[NFCT_DIR_REPLY].l4src.icmp.id)
- return 0;
-
- return 1;
-}
-
-static struct nfct_proto icmp = {
- .name = "icmp",
- .protonum = IPPROTO_ICMP,
- .parse_proto = parse_proto,
- .build_tuple_proto = build_tuple_proto,
- .print_proto = print_proto,
- .compare = compare,
- .version = VERSION
-};
-
-static void __attribute__ ((constructor)) init(void);
-
-static void init(void)
-{
- nfct_register_proto(&icmp);
-}