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authorPablo Neira Ayuso <pablo@netfilter.org>2012-02-29 02:55:00 +0100
committerPablo Neira Ayuso <pablo@netfilter.org>2012-02-29 03:27:49 +0100
commitf3d2a5ee1af6fc4e548f02e4bc4e143d7d0c8d90 (patch)
tree0b9505f57ca42303a80e0d827897823ae07c6977 /examples
initial commit
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'examples')
-rw-r--r--examples/Makefile.am10
-rw-r--r--examples/nfct-timeout-add.c85
-rw-r--r--examples/nfct-timeout-get.c104
3 files changed, 199 insertions, 0 deletions
diff --git a/examples/Makefile.am b/examples/Makefile.am
new file mode 100644
index 0000000..ab577d7
--- /dev/null
+++ b/examples/Makefile.am
@@ -0,0 +1,10 @@
+include $(top_srcdir)/Make_global.am
+
+check_PROGRAMS = nfct-timeout-add \
+ nfct-timeout-get
+
+nfct_timeout_add_SOURCES = nfct-timeout-add.c
+nfct_timeout_add_LDADD = ../src/libnetfilter_cttimeout.la ${LIBMNL_LIBS}
+
+nfct_timeout_get_SOURCES = nfct-timeout-get.c
+nfct_timeout_get_LDADD = ../src/libnetfilter_cttimeout.la ${LIBMNL_LIBS}
diff --git a/examples/nfct-timeout-add.c b/examples/nfct-timeout-add.c
new file mode 100644
index 0000000..c4fe312
--- /dev/null
+++ b/examples/nfct-timeout-add.c
@@ -0,0 +1,85 @@
+/*
+ * (C) 2005-2012 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
+ *
+ * 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 <stdlib.h>
+#include <time.h>
+#include <string.h>
+#include <netinet/in.h>
+
+#include <libmnl/libmnl.h>
+#include <linux/netfilter/nfnetlink_cttimeout.h>
+#include <libnetfilter_cttimeout/libnetfilter_cttimeout.h>
+
+int main(int argc, char *argv[])
+{
+ struct mnl_socket *nl;
+ char buf[MNL_SOCKET_BUFFER_SIZE];
+ struct nlmsghdr *nlh;
+ uint32_t portid, seq;
+ struct nfct_timeout *t;
+ int ret;
+
+ if (argc != 4) {
+ fprintf(stderr, "Usage: %s [name] [l3proto] [l4proto]\n",
+ argv[0]);
+ fprintf(stderr, "Example: %s test 2 255\n", argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ t = nfct_timeout_alloc();
+ if (t == NULL) {
+ perror("OOM");
+ exit(EXIT_FAILURE);
+ }
+
+ nfct_timeout_attr_set(t, NFCT_TIMEOUT_ATTR_NAME, argv[1]);
+ nfct_timeout_attr_set_u16(t, NFCT_TIMEOUT_ATTR_L3PROTO, atoi(argv[2]));
+ nfct_timeout_attr_set_u8(t, NFCT_TIMEOUT_ATTR_L4PROTO, atoi(argv[3]));
+
+ nfct_timeout_policy_attr_set_u32(t, NFCT_TIMEOUT_ATTR_GENERIC, 100);
+
+ seq = time(NULL);
+ nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_NEW,
+ NLM_F_CREATE | NLM_F_ACK, seq);
+ nfct_timeout_nlmsg_build_payload(nlh, t);
+
+ nfct_timeout_free(t);
+
+ nl = mnl_socket_open(NETLINK_NETFILTER);
+ if (nl == NULL) {
+ perror("mnl_socket_open");
+ exit(EXIT_FAILURE);
+ }
+
+ if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
+ perror("mnl_socket_bind");
+ exit(EXIT_FAILURE);
+ }
+ portid = mnl_socket_get_portid(nl);
+
+ if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
+ perror("mnl_socket_send");
+ exit(EXIT_FAILURE);
+ }
+
+ ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
+ while (ret > 0) {
+ ret = mnl_cb_run(buf, ret, seq, portid, NULL, NULL);
+ if (ret <= 0)
+ break;
+ ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
+ }
+ if (ret == -1) {
+ perror("error");
+ exit(EXIT_FAILURE);
+ }
+ mnl_socket_close(nl);
+
+ return EXIT_SUCCESS;
+}
diff --git a/examples/nfct-timeout-get.c b/examples/nfct-timeout-get.c
new file mode 100644
index 0000000..211dedb
--- /dev/null
+++ b/examples/nfct-timeout-get.c
@@ -0,0 +1,104 @@
+/*
+ * (C) 2005-2012 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * (C) 2012 by Vyatta Inc. <http://www.vyatta.com>
+ *
+ * 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 <stdlib.h>
+#include <time.h>
+#include <string.h>
+#include <netinet/in.h>
+
+#include <linux/netfilter/nfnetlink_cttimeout.h>
+#include <libmnl/libmnl.h>
+#include <libnetfilter_cttimeout/libnetfilter_cttimeout.h>
+
+static int timeout_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct nfct_timeout *t;
+ char buf[4096];
+
+ t = nfct_timeout_alloc();
+ if (t == NULL) {
+ perror("OOM");
+ goto err;
+ }
+
+ if (nfct_timeout_nlmsg_parse_payload(nlh, t) < 0) {
+ perror("nfct_timeout_nlmsg_parse_payload");
+ goto err_free;
+ }
+
+ nfct_timeout_snprintf(buf, sizeof(buf), t, 0);
+ printf("%s\n", buf);
+
+err_free:
+ nfct_timeout_free(t);
+err:
+ return MNL_CB_OK;
+}
+
+int main(int argc, char *argv[])
+{
+ struct mnl_socket *nl;
+ char buf[MNL_SOCKET_BUFFER_SIZE];
+ struct nlmsghdr *nlh;
+ uint32_t portid, seq;
+ struct nfct_timeout *t = NULL;
+ int ret;
+
+ if (argc == 2) {
+ t = nfct_timeout_alloc();
+ if (t == NULL) {
+ perror("OOM");
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ seq = time(NULL);
+ if (t == NULL) {
+ nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_GET,
+ NLM_F_DUMP, seq);
+ } else {
+ nlh = nfct_timeout_nlmsg_build_hdr(buf, IPCTNL_MSG_TIMEOUT_GET,
+ NLM_F_ACK, seq);
+ nfct_timeout_attr_set(t, NFCT_TIMEOUT_ATTR_NAME, argv[1]);
+ nfct_timeout_nlmsg_build_payload(nlh, t);
+ nfct_timeout_free(t);
+ }
+
+ nl = mnl_socket_open(NETLINK_NETFILTER);
+ if (nl == NULL) {
+ perror("mnl_socket_open");
+ exit(EXIT_FAILURE);
+ }
+
+ if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
+ perror("mnl_socket_bind");
+ exit(EXIT_FAILURE);
+ }
+ portid = mnl_socket_get_portid(nl);
+
+ if (mnl_socket_sendto(nl, nlh, nlh->nlmsg_len) < 0) {
+ perror("mnl_socket_send");
+ exit(EXIT_FAILURE);
+ }
+
+ ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
+ while (ret > 0) {
+ ret = mnl_cb_run(buf, ret, seq, portid, timeout_cb, NULL);
+ if (ret <= 0)
+ break;
+ ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
+ }
+ if (ret == -1) {
+ perror("error");
+ exit(EXIT_FAILURE);
+ }
+ mnl_socket_close(nl);
+
+ return EXIT_SUCCESS;
+}