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-rw-r--r--tipc/node.c509
1 files changed, 509 insertions, 0 deletions
diff --git a/tipc/node.c b/tipc/node.c
new file mode 100644
index 0000000..bf592a0
--- /dev/null
+++ b/tipc/node.c
@@ -0,0 +1,509 @@
+/*
+ * node.c TIPC node functionality.
+ *
+ * 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.
+ *
+ * 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 "node.h"
+
+static int node_list_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_NODE_MAX + 1] = {};
+ char str[33] = {};
+ uint32_t addr;
+
+ mnl_attr_parse(nlh, sizeof(struct genlmsghdr), parse_attrs, info);
+ if (!info[TIPC_NLA_NODE])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_NODE], parse_attrs, attrs);
+ if (!attrs[TIPC_NLA_NODE_ADDR])
+ return MNL_CB_ERROR;
+
+ addr = mnl_attr_get_u32(attrs[TIPC_NLA_NODE_ADDR]);
+ hash2nodestr(addr, str);
+ printf("%-32s %08x ", str, addr);
+ if (attrs[TIPC_NLA_NODE_UP])
+ printf("up\n");
+ else
+ printf("down\n");
+ return MNL_CB_OK;
+}
+
+static int cmd_node_list(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ if (help_flag) {
+ fprintf(stderr, "Usage: %s node list\n", cmdl->argv[0]);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_NODE_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+ printf("Node Identity Hash State\n");
+ return msg_dumpit(nlh, node_list_cb, NULL);
+}
+
+static int cmd_node_set_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) {
+ fprintf(stderr, "Usage: %s node set address ADDRESS\n",
+ cmdl->argv[0]);
+ return -EINVAL;
+ }
+
+ str = shift_cmdl(cmdl);
+ addr = str2addr(str);
+ if (!addr)
+ return -1;
+
+ nlh = msg_init(TIPC_NL_NET_SET);
+ 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_node_get_addr(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ int sk;
+ socklen_t sz = sizeof(struct sockaddr_tipc);
+ struct sockaddr_tipc addr;
+
+ sk = socket(AF_TIPC, SOCK_RDM, 0);
+ if (sk < 0) {
+ fprintf(stderr, "opening TIPC socket: %s\n", strerror(errno));
+ return -1;
+ }
+
+ if (getsockname(sk, (struct sockaddr *)&addr, &sz) < 0) {
+ fprintf(stderr, "getting TIPC socket address: %s\n",
+ strerror(errno));
+ close(sk);
+ return -1;
+ }
+ close(sk);
+
+ printf("%08x\n", addr.addr.id.node);
+ return 0;
+}
+
+static int cmd_node_set_nodeid(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ uint8_t id[16] = {0,};
+ uint64_t *w0 = (uint64_t *) &id[0];
+ uint64_t *w1 = (uint64_t *) &id[8];
+ struct nlattr *nest;
+ char *str;
+
+ if (cmdl->argc != cmdl->optind + 1) {
+ fprintf(stderr, "Usage: %s node set nodeid NODE_ID\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_NET_SET);
+ 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_node_set_key_help(struct cmdl *cmdl)
+{
+ fprintf(stderr,
+ "Usage: %s node set key KEY [algname ALGNAME] [PROPERTIES]\n"
+ " %s node set key rekeying REKEYING\n\n"
+ "KEY\n"
+ " Symmetric KEY & SALT as a composite ASCII or hex string (0x...) in form:\n"
+ " [KEY: 16, 24 or 32 octets][SALT: 4 octets]\n\n"
+ "ALGNAME\n"
+ " Cipher algorithm [default: \"gcm(aes)\"]\n\n"
+ "PROPERTIES\n"
+ " master - Set KEY as a cluster master key\n"
+ " <empty> - Set KEY as a cluster key\n"
+ " nodeid NODEID - Set KEY as a per-node key for own or peer\n\n"
+ "REKEYING\n"
+ " INTERVAL - Set rekeying interval (in minutes) [0: disable]\n"
+ " now - Trigger one (first) rekeying immediately\n\n"
+ "EXAMPLES\n"
+ " %s node set key this_is_a_master_key master\n"
+ " %s node set key 0x746869735F69735F615F6B657931365F73616C74\n"
+ " %s node set key this_is_a_key16_salt algname \"gcm(aes)\" nodeid 1001002\n"
+ " %s node set key rekeying 600\n\n",
+ cmdl->argv[0], cmdl->argv[0], cmdl->argv[0], cmdl->argv[0],
+ cmdl->argv[0], cmdl->argv[0]);
+}
+
+static int cmd_node_set_key(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ struct {
+ union {
+ struct tipc_aead_key key;
+ char mem[TIPC_AEAD_KEY_SIZE_MAX];
+ };
+ } input = {};
+ struct opt opts[] = {
+ { "algname", OPT_KEYVAL, NULL },
+ { "nodeid", OPT_KEYVAL, NULL },
+ { "master", OPT_KEY, NULL },
+ { "rekeying", OPT_KEYVAL, NULL },
+ { NULL }
+ };
+ struct nlattr *nest;
+ struct opt *opt_algname, *opt_nodeid, *opt_master, *opt_rekeying;
+ uint8_t id[TIPC_NODEID_LEN] = {0,};
+ uint32_t rekeying = 0;
+ bool has_key = false;
+ int keysize;
+ char *str;
+
+ if (help_flag || cmdl->optind >= cmdl->argc) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ /* Check if command starts with opts i.e. "rekeying" opt without key */
+ if (find_opt(opts, cmdl->argv[cmdl->optind]))
+ goto get_ops;
+
+ /* Get user key */
+ has_key = true;
+ str = shift_cmdl(cmdl);
+ if (str2key(str, &input.key)) {
+ fprintf(stderr, "error, invalid key input\n");
+ return -EINVAL;
+ }
+
+get_ops:
+ if (parse_opts(opts, cmdl) < 0)
+ return -EINVAL;
+
+ /* Get rekeying time */
+ opt_rekeying = get_opt(opts, "rekeying");
+ if (opt_rekeying) {
+ if (!strcmp(opt_rekeying->val, "now"))
+ rekeying = TIPC_REKEYING_NOW;
+ else
+ rekeying = atoi(opt_rekeying->val);
+ }
+
+ /* Get algorithm name, default: "gcm(aes)" */
+ opt_algname = get_opt(opts, "algname");
+ if (!opt_algname) {
+ strcpy(input.key.alg_name, "gcm(aes)");
+ } else {
+ if (strlen(opt_algname->val) > TIPC_AEAD_ALG_NAME) {
+ fprintf(stderr, "error, invalid algname\n");
+ return -EINVAL;
+ }
+ strcpy(input.key.alg_name, opt_algname->val);
+ }
+
+ /* Get node identity */
+ opt_nodeid = get_opt(opts, "nodeid");
+ if (opt_nodeid && str2nodeid(opt_nodeid->val, id)) {
+ fprintf(stderr, "error, invalid node identity\n");
+ return -EINVAL;
+ }
+
+ /* Get master key indication */
+ opt_master = get_opt(opts, "master");
+
+ /* Sanity check if wrong option */
+ if (opt_nodeid && opt_master) {
+ fprintf(stderr, "error, per-node key cannot be master\n");
+ return -EINVAL;
+ }
+
+ /* Init & do the command */
+ nlh = msg_init(TIPC_NL_KEY_SET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ nest = mnl_attr_nest_start(nlh, TIPC_NLA_NODE);
+ if (has_key) {
+ keysize = tipc_aead_key_size(&input.key);
+ mnl_attr_put(nlh, TIPC_NLA_NODE_KEY, keysize, &input.key);
+ if (opt_nodeid)
+ mnl_attr_put(nlh, TIPC_NLA_NODE_ID, TIPC_NODEID_LEN, id);
+ if (opt_master)
+ mnl_attr_put(nlh, TIPC_NLA_NODE_KEY_MASTER, 0, NULL);
+ }
+ if (opt_rekeying)
+ mnl_attr_put_u32(nlh, TIPC_NLA_NODE_REKEYING, rekeying);
+
+ mnl_attr_nest_end(nlh, nest);
+ return msg_doit(nlh, NULL, NULL);
+}
+
+static int cmd_node_flush_key(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ /* Init & do the command */
+ nlh = msg_init(TIPC_NL_KEY_FLUSH);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+ return msg_doit(nlh, NULL, NULL);
+}
+
+static int nodeid_get_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_NET_MAX + 1] = {};
+ char str[33] = {0,};
+ uint8_t id[16] = {0,};
+ uint64_t *w0 = (uint64_t *) &id[0];
+ uint64_t *w1 = (uint64_t *) &id[8];
+
+ mnl_attr_parse(nlh, sizeof(struct genlmsghdr), parse_attrs, info);
+ if (!info[TIPC_NLA_NET])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_NET], parse_attrs, attrs);
+ if (!attrs[TIPC_NLA_NET_ID])
+ return MNL_CB_ERROR;
+
+ *w0 = mnl_attr_get_u64(attrs[TIPC_NLA_NET_NODEID]);
+ *w1 = mnl_attr_get_u64(attrs[TIPC_NLA_NET_NODEID_W1]);
+ nodeid2str(id, str);
+ printf("Node Identity Hash\n");
+ printf("%-33s", str);
+ cmd_node_get_addr(NULL, NULL, NULL, NULL);
+ return MNL_CB_OK;
+}
+
+static int cmd_node_get_nodeid(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_NET_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ return msg_dumpit(nlh, nodeid_get_cb, NULL);
+}
+
+
+static int netid_get_cb(const struct nlmsghdr *nlh, void *data)
+{
+ struct nlattr *info[TIPC_NLA_MAX + 1] = {};
+ struct nlattr *attrs[TIPC_NLA_NET_MAX + 1] = {};
+
+ mnl_attr_parse(nlh, sizeof(struct genlmsghdr), parse_attrs, info);
+ if (!info[TIPC_NLA_NET])
+ return MNL_CB_ERROR;
+
+ mnl_attr_parse_nested(info[TIPC_NLA_NET], parse_attrs, attrs);
+ if (!attrs[TIPC_NLA_NET_ID])
+ return MNL_CB_ERROR;
+
+ printf("%u\n", mnl_attr_get_u32(attrs[TIPC_NLA_NET_ID]));
+
+ return MNL_CB_OK;
+}
+
+static int cmd_node_get_netid(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_NET_GET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ return msg_dumpit(nlh, netid_get_cb, NULL);
+}
+
+static int cmd_node_set_netid(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ int netid;
+ struct nlattr *nest;
+
+ if (help_flag) {
+ (cmd->help)(cmdl);
+ return -EINVAL;
+ }
+
+ nlh = msg_init(TIPC_NL_NET_SET);
+ if (!nlh) {
+ fprintf(stderr, "error, message initialisation failed\n");
+ return -1;
+ }
+
+ if (cmdl->argc != cmdl->optind + 1) {
+ fprintf(stderr, "Usage: %s node set netid NETID\n",
+ cmdl->argv[0]);
+ return -EINVAL;
+ }
+ netid = atoi(shift_cmdl(cmdl));
+
+ nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET);
+ mnl_attr_put_u32(nlh, TIPC_NLA_NET_ID, netid);
+ mnl_attr_nest_end(nlh, nest);
+
+ return msg_doit(nlh, NULL, NULL);
+}
+
+static void cmd_node_flush_help(struct cmdl *cmdl)
+{
+ fprintf(stderr,
+ "Usage: %s node flush PROPERTY\n\n"
+ "PROPERTIES\n"
+ " key - Flush all symmetric-keys\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_node_flush(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ const struct cmd cmds[] = {
+ { "key", cmd_node_flush_key, NULL },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+static void cmd_node_set_help(struct cmdl *cmdl)
+{
+ fprintf(stderr,
+ "Usage: %s node set PROPERTY\n\n"
+ "PROPERTIES\n"
+ " identity NODEID - Set node identity\n"
+ " clusterid CLUSTERID - Set local cluster id\n"
+ " key PROPERTY - Set symmetric-key\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_node_set(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ const struct cmd cmds[] = {
+ { "address", cmd_node_set_addr, NULL },
+ { "identity", cmd_node_set_nodeid, NULL },
+ { "netid", cmd_node_set_netid, NULL },
+ { "clusterid", cmd_node_set_netid, NULL },
+ { "key", cmd_node_set_key, cmd_node_set_key_help },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+static void cmd_node_get_help(struct cmdl *cmdl)
+{
+ fprintf(stderr,
+ "Usage: %s node get PROPERTY\n\n"
+ "PROPERTIES\n"
+ " identity - Get node identity\n"
+ " clusterid - Get local clusterid\n",
+ cmdl->argv[0]);
+}
+
+static int cmd_node_get(struct nlmsghdr *nlh, const struct cmd *cmd,
+ struct cmdl *cmdl, void *data)
+{
+ const struct cmd cmds[] = {
+ { "address", cmd_node_get_addr, NULL },
+ { "identity", cmd_node_get_nodeid, NULL },
+ { "netid", cmd_node_get_netid, NULL },
+ { "clusterid", cmd_node_get_netid, NULL },
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
+
+void cmd_node_help(struct cmdl *cmdl)
+{
+ fprintf(stderr,
+ "Usage: %s node COMMAND [ARGS] ...\n\n"
+ "COMMANDS\n"
+ " list - List remote nodes\n"
+ " get - Get local node parameters\n"
+ " set - Set local node parameters\n"
+ " flush - Flush local node parameters\n",
+ cmdl->argv[0]);
+}
+
+int cmd_node(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl,
+ void *data)
+{
+ const struct cmd cmds[] = {
+ { "list", cmd_node_list, NULL },
+ { "get", cmd_node_get, cmd_node_get_help },
+ { "set", cmd_node_set, cmd_node_set_help },
+ { "flush", cmd_node_flush, cmd_node_flush_help},
+ { NULL }
+ };
+
+ return run_cmd(nlh, cmd, cmds, cmdl, NULL);
+}
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