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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* peer.c TIPC peer functionality.
*
* Authors: Richard Alpe <richard.alpe@ericsson.com>
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <linux/tipc_netlink.h>
#include <linux/tipc.h>
#include <linux/genetlink.h>
#include "cmdl.h"
#include "msg.h"
#include "misc.h"
#include "peer.h"
static int cmd_peer_rm_addr(struct nlmsghdr *nlh, const struct cmd *cmd,
struct cmdl *cmdl, void *data)
{
char *str;
uint32_t addr;
struct nlattr *nest;
if ((cmdl->argc != cmdl->optind + 1) || help_flag) {
fprintf(stderr, "Usage: %s peer remove address ADDRESS\n",
cmdl->argv[0]);
return -EINVAL;
}
str = shift_cmdl(cmdl);
/* First try legacy Z.C.N format, then integer format */
addr = str2addr(str);
if (!addr)
addr = atoi(str);
if (!addr)
return -1;
nlh = msg_init(TIPC_NL_PEER_REMOVE);
if (!nlh) {
fprintf(stderr, "error, message initialisation failed\n");
return -1;
}
nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET);
mnl_attr_put_u32(nlh, TIPC_NLA_NET_ADDR, addr);
mnl_attr_nest_end(nlh, nest);
return msg_doit(nlh, NULL, NULL);
}
static int cmd_peer_rm_nodeid(struct nlmsghdr *nlh, const struct cmd *cmd,
struct cmdl *cmdl, void *data)
{
__u8 id[16] = {0,};
__u64 *w0 = (__u64 *)&id[0];
__u64 *w1 = (__u64 *)&id[8];
struct nlattr *nest;
char *str;
if (cmdl->argc != cmdl->optind + 1) {
fprintf(stderr, "Usage: %s peer remove identity NODEID\n",
cmdl->argv[0]);
return -EINVAL;
}
str = shift_cmdl(cmdl);
if (str2nodeid(str, id)) {
fprintf(stderr, "Invalid node identity\n");
return -EINVAL;
}
nlh = msg_init(TIPC_NL_PEER_REMOVE);
if (!nlh) {
fprintf(stderr, "error, message initialisation failed\n");
return -1;
}
nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET);
mnl_attr_put_u64(nlh, TIPC_NLA_NET_NODEID, *w0);
mnl_attr_put_u64(nlh, TIPC_NLA_NET_NODEID_W1, *w1);
mnl_attr_nest_end(nlh, nest);
return msg_doit(nlh, NULL, NULL);
}
static void cmd_peer_rm_help(struct cmdl *cmdl)
{
fprintf(stderr, "Usage: %s peer remove PROPERTY\n\n"
"PROPERTIES\n"
" identity NODEID - Remove peer node identity\n",
cmdl->argv[0]);
}
static void cmd_peer_rm_addr_help(struct cmdl *cmdl)
{
fprintf(stderr, "Usage: %s peer remove address ADDRESS\n",
cmdl->argv[0]);
}
static void cmd_peer_rm_nodeid_help(struct cmdl *cmdl)
{
fprintf(stderr, "Usage: %s peer remove identity NODEID\n",
cmdl->argv[0]);
}
static int cmd_peer_rm(struct nlmsghdr *nlh, const struct cmd *cmd,
struct cmdl *cmdl, void *data)
{
const struct cmd cmds[] = {
{ "address", cmd_peer_rm_addr, cmd_peer_rm_addr_help },
{ "identity", cmd_peer_rm_nodeid, cmd_peer_rm_nodeid_help },
{ NULL }
};
return run_cmd(nlh, cmd, cmds, cmdl, NULL);
}
void cmd_peer_help(struct cmdl *cmdl)
{
fprintf(stderr,
"Usage: %s peer COMMAND [ARGS] ...\n\n"
"COMMANDS\n"
" remove - Remove an offline peer node\n",
cmdl->argv[0]);
}
int cmd_peer(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl,
void *data)
{
const struct cmd cmds[] = {
{ "remove", cmd_peer_rm, cmd_peer_rm_help },
{ NULL }
};
return run_cmd(nlh, cmd, cmds, cmdl, NULL);
}
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