1 files changed, 142 insertions, 0 deletions
diff --git a/tipc/peer.c b/tipc/peer.c
new file mode 100644
index 0000000..5a583fb
--- /dev/null
+++ b/tipc/peer.c
@@ -0,0 +1,142 @@
+/* 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);
+}