From f3d2a5ee1af6fc4e548f02e4bc4e143d7d0c8d90 Mon Sep 17 00:00:00 2001 From: Pablo Neira Ayuso Date: Wed, 29 Feb 2012 02:55:00 +0100 Subject: initial commit Signed-off-by: Pablo Neira Ayuso --- examples/Makefile.am | 10 +++++ examples/nfct-timeout-add.c | 85 ++++++++++++++++++++++++++++++++++++ examples/nfct-timeout-get.c | 104 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 199 insertions(+) create mode 100644 examples/Makefile.am create mode 100644 examples/nfct-timeout-add.c create mode 100644 examples/nfct-timeout-get.c (limited to 'examples') 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 + * (C) 2012 by Vyatta Inc. + * + * 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 +#include +#include +#include + +#include +#include +#include + +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 + * (C) 2012 by Vyatta Inc. + * + * 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 +#include +#include +#include + +#include +#include +#include + +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; +} -- cgit v1.2.3