examples: put examples files into specific directories

put examples files into specific directories according to the
Netlink bus they work with. And minor update in the readme file

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 0 insertions, 247 deletions

diff --git a/examples/rtnl-route-dump.c b/examples/rtnl-route-dump.c
deleted file mode 100644
index 34c95cf..0000000
--- a/examples/rtnl-route-dump.c
+++ /dev/null
@@ -1,247 +0,0 @@
-/*
- * (C) 2009-2010 by Pablo Neira Ayuso <pablo@netfilter.org>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <time.h>
-#include <arpa/inet.h>
-
-#include <libmnl/libmnl.h>
-#include <linux/if.h>
-#include <linux/if_link.h>
-#include <linux/rtnetlink.h>
-
-static int data_attr_cb2(const struct nlattr *attr, void *data)
-{
-	/* skip unsupported attribute in user-space */
-	if (mnl_attr_type_valid(attr, RTAX_MAX) < 0)
-		return MNL_CB_OK;
-
-	if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) {
-		perror("mnl_attr_validate");
-		return MNL_CB_ERROR;
-	}
-	return MNL_CB_OK;
-}
-
-static void attributes_show_ipv4(struct nlattr *tb[])
-{
-	if (tb[RTA_TABLE]) {
-		printf("table=%u ", mnl_attr_get_u32(tb[RTA_TABLE]));
-	}
-	if (tb[RTA_DST]) {
-		struct in_addr *addr = mnl_attr_get_payload(tb[RTA_DST]);
-		printf("dst=%s ", inet_ntoa(*addr));
-	}
-	if (tb[RTA_SRC]) {
-		struct in_addr *addr = mnl_attr_get_payload(tb[RTA_SRC]);
-		printf("src=%s ", inet_ntoa(*addr));
-	}
-	if (tb[RTA_OIF]) {
-		printf("oif=%u ", mnl_attr_get_u32(tb[RTA_OIF]));
-	}
-	if (tb[RTA_FLOW]) {
-		printf("flow=%u ", mnl_attr_get_u32(tb[RTA_FLOW]));
-	}
-	if (tb[RTA_PREFSRC]) {
-		struct in_addr *addr = mnl_attr_get_payload(tb[RTA_PREFSRC]);
-		printf("prefsrc=%s ", inet_ntoa(*addr));
-	}
-	if (tb[RTA_GATEWAY]) {
-		struct in_addr *addr = mnl_attr_get_payload(tb[RTA_GATEWAY]);
-		printf("gw=%s ", inet_ntoa(*addr));
-	}
-	if (tb[RTA_METRICS]) {
-		int i;
-		struct nlattr *tbx[RTAX_MAX+1] = {};
-
-		mnl_attr_parse_nested(tb[RTA_METRICS], data_attr_cb2, tbx);
-
-		for (i=0; i<RTAX_MAX; i++) {
-			if (tbx[i]) {
-				printf("metrics[%d]=%u ",
-					i, mnl_attr_get_u32(tbx[i]));
-			}
-		}
-	}
-	printf("\n");
-}
-
-static int data_attr_cb(const struct nlattr *attr, void *data)
-{
-	const struct nlattr **tb = (const struct nlattr **)data;
-	int type = mnl_attr_get_type(attr);
-
-	/* skip unsupported attribute in user-space */
-	if (mnl_attr_type_valid(attr, RTA_MAX) < 0)
-		return MNL_CB_OK;
-
-	switch(type) {
-	case RTA_TABLE:
-	case RTA_DST:
-	case RTA_SRC:
-	case RTA_OIF:
-	case RTA_FLOW:
-	case RTA_PREFSRC:
-	case RTA_GATEWAY:
-		if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) {
-			perror("mnl_attr_validate");
-			return MNL_CB_ERROR;
-		}
-		break;
-	case RTA_METRICS:
-		if (mnl_attr_validate(attr, MNL_TYPE_NESTED) < 0) {
-			perror("mnl_attr_validate");
-			return MNL_CB_ERROR;
-		}
-		break;
-	}
-	tb[type] = attr;
-	return MNL_CB_OK;
-}
-
-static int data_cb(const struct nlmsghdr *nlh, void *data)
-{
-	struct nlattr *tb[RTA_MAX+1] = {};
-	struct rtmsg *rm = mnl_nlmsg_get_payload(nlh);
-
-	/* protocol family = AF_INET | AF_INET6 */
-	printf("family=%u ", rm->rtm_family);
-
-	/* destination CIDR, eg. 24 or 32 for IPv4 */
-	printf("dst_len=%u ", rm->rtm_dst_len);
-
-	/* source CIDR */
-	printf("src_len=%u ", rm->rtm_src_len);
-
-	/* type of service (TOS), eg. 0 */
-	printf("tos=%u ", rm->rtm_tos);
-
-	/* table id:
-	 *	RT_TABLE_UNSPEC		= 0
-	 *
-	 * 	... user defined values ...
-	 *
-	 *	RT_TABLE_COMPAT		= 252
-	 *	RT_TABLE_DEFAULT	= 253
-	 *	RT_TABLE_MAIN		= 254
-	 *	RT_TABLE_LOCAL		= 255
-	 *	RT_TABLE_MAX		= 0xFFFFFFFF
-	 *
-	 * Synonimous attribute: RTA_TABLE.
-	 */
-	printf("table=%u ", rm->rtm_table);
-
-	/* type:
-	 * 	RTN_UNSPEC	= 0
-	 * 	RTN_UNICAST	= 1
-	 * 	RTN_LOCAL	= 2
-	 * 	RTN_BROADCAST	= 3
-	 *	RTN_ANYCAST	= 4
-	 *	RTN_MULTICAST	= 5
-	 *	RTN_BLACKHOLE	= 6
-	 *	RTN_UNREACHABLE	= 7
-	 *	RTN_PROHIBIT	= 8
-	 *	RTN_THROW	= 9
-	 *	RTN_NAT		= 10
-	 *	RTN_XRESOLVE	= 11
-	 *	__RTN_MAX	= 12
-	 */
-	printf("type=%u ", rm->rtm_type);
-
-	/* scope:
-	 * 	RT_SCOPE_UNIVERSE	= 0   : everywhere in the universe
-	 *
-	 *      ... user defined values ...
-	 *
-	 * 	RT_SCOPE_SITE		= 200
-	 * 	RT_SCOPE_LINK		= 253 : destination attached to link
-	 * 	RT_SCOPE_HOST		= 254 : local address
-	 * 	RT_SCOPE_NOWHERE	= 255 : not existing destination
-	 */
-	printf("scope=%u ", rm->rtm_scope);
-
-	/* protocol:
-	 * 	RTPROT_UNSPEC	= 0
-	 * 	RTPROT_REDIRECT = 1
-	 * 	RTPROT_KERNEL	= 2 : route installed by kernel
-	 * 	RTPROT_BOOT	= 3 : route installed during boot
-	 * 	RTPROT_STATIC	= 4 : route installed by administrator
-	 *
-	 * Values >= RTPROT_STATIC are not interpreted by kernel, they are
-	 * just user-defined.
-	 */
-	printf("proto=%u ", rm->rtm_protocol);
-
-	/* flags:
-	 * 	RTM_F_NOTIFY	= 0x100: notify user of route change
-	 * 	RTM_F_CLONED	= 0x200: this route is cloned
-	 * 	RTM_F_EQUALIZE	= 0x400: Multipath equalizer: NI
-	 * 	RTM_F_PREFIX	= 0x800: Prefix addresses
-	 */
-	printf("flags=%x\n", rm->rtm_flags);
-
-	mnl_attr_parse(nlh, sizeof(*rm), data_attr_cb, tb);
-
-	switch(rm->rtm_family) {
-	case AF_INET:
-		attributes_show_ipv4(tb);
-		break;
-	}
-
-	return MNL_CB_OK;
-}
-
-int main()
-{
-	struct mnl_socket *nl;
-	char buf[getpagesize()];
-	struct nlmsghdr *nlh;
-	struct rtmsg *rtm;
-	int ret;
-	unsigned int seq, portid;
-
-	nlh = mnl_nlmsg_put_header(buf);
-	nlh->nlmsg_type = RTM_GETROUTE;
-	nlh->nlmsg_flags = NLM_F_REQUEST | NLM_F_DUMP;
-	nlh->nlmsg_seq = seq = time(NULL);
-	rtm = mnl_nlmsg_put_extra_header(nlh, sizeof(struct rtmsg));
-	rtm->rtm_family = AF_INET;
-
-	nl = mnl_socket_open(NETLINK_ROUTE);
-	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, data_cb, NULL);
-		if (ret <= MNL_CB_STOP)
-			break;
-		ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
-	}
-	if (ret == -1) {
-		perror("error");
-		exit(EXIT_FAILURE);
-	}
-
-	mnl_socket_close(nl);
-
-	return 0;
-}