]>
Commit | Line | Data |
---|---|---|
f043759d RA |
1 | /* |
2 | * node.c TIPC node functionality. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU General Public License | |
6 | * as published by the Free Software Foundation; either version | |
7 | * 2 of the License, or (at your option) any later version. | |
8 | * | |
9 | * Authors: Richard Alpe <richard.alpe@ericsson.com> | |
10 | */ | |
11 | ||
12 | #include <stdio.h> | |
13 | #include <stdlib.h> | |
14 | #include <string.h> | |
15 | #include <errno.h> | |
16 | ||
17 | #include <linux/tipc_netlink.h> | |
18 | #include <linux/tipc.h> | |
19 | #include <linux/genetlink.h> | |
20 | #include <libmnl/libmnl.h> | |
21 | ||
22 | #include "cmdl.h" | |
23 | #include "msg.h" | |
24 | #include "misc.h" | |
25 | #include "node.h" | |
26 | ||
27 | static int node_list_cb(const struct nlmsghdr *nlh, void *data) | |
28 | { | |
f043759d RA |
29 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
30 | struct nlattr *attrs[TIPC_NLA_NODE_MAX + 1] = {}; | |
5947046d JM |
31 | char str[33] = {}; |
32 | uint32_t addr; | |
f043759d | 33 | |
8d05f33a | 34 | mnl_attr_parse(nlh, sizeof(struct genlmsghdr), parse_attrs, info); |
f043759d RA |
35 | if (!info[TIPC_NLA_NODE]) |
36 | return MNL_CB_ERROR; | |
37 | ||
38 | mnl_attr_parse_nested(info[TIPC_NLA_NODE], parse_attrs, attrs); | |
39 | if (!attrs[TIPC_NLA_NODE_ADDR]) | |
40 | return MNL_CB_ERROR; | |
41 | ||
42 | addr = mnl_attr_get_u32(attrs[TIPC_NLA_NODE_ADDR]); | |
5947046d JM |
43 | hash2nodestr(addr, str); |
44 | printf("%-32s %08x ", str, addr); | |
f043759d RA |
45 | if (attrs[TIPC_NLA_NODE_UP]) |
46 | printf("up\n"); | |
47 | else | |
48 | printf("down\n"); | |
f043759d RA |
49 | return MNL_CB_OK; |
50 | } | |
51 | ||
52 | static int cmd_node_list(struct nlmsghdr *nlh, const struct cmd *cmd, | |
53 | struct cmdl *cmdl, void *data) | |
54 | { | |
55 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
56 | ||
57 | if (help_flag) { | |
58 | fprintf(stderr, "Usage: %s node list\n", cmdl->argv[0]); | |
59 | return -EINVAL; | |
60 | } | |
61 | ||
62 | if (!(nlh = msg_init(buf, TIPC_NL_NODE_GET))) { | |
63 | fprintf(stderr, "error, message initialisation failed\n"); | |
64 | return -1; | |
65 | } | |
5947046d | 66 | printf("Node Identity Hash State\n"); |
f043759d RA |
67 | return msg_dumpit(nlh, node_list_cb, NULL); |
68 | } | |
69 | ||
70 | static int cmd_node_set_addr(struct nlmsghdr *nlh, const struct cmd *cmd, | |
71 | struct cmdl *cmdl, void *data) | |
72 | { | |
73 | char *str; | |
74 | uint32_t addr; | |
75 | struct nlattr *nest; | |
76 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
77 | ||
78 | if (cmdl->argc != cmdl->optind + 1) { | |
79 | fprintf(stderr, "Usage: %s node set address ADDRESS\n", | |
80 | cmdl->argv[0]); | |
81 | return -EINVAL; | |
82 | } | |
83 | ||
84 | str = shift_cmdl(cmdl); | |
85 | addr = str2addr(str); | |
86 | if (!addr) | |
87 | return -1; | |
88 | ||
89 | if (!(nlh = msg_init(buf, TIPC_NL_NET_SET))) { | |
90 | fprintf(stderr, "error, message initialisation failed\n"); | |
91 | return -1; | |
92 | } | |
93 | ||
94 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET); | |
95 | mnl_attr_put_u32(nlh, TIPC_NLA_NET_ADDR, addr); | |
96 | mnl_attr_nest_end(nlh, nest); | |
97 | ||
98 | return msg_doit(nlh, NULL, NULL); | |
99 | } | |
100 | ||
101 | static int cmd_node_get_addr(struct nlmsghdr *nlh, const struct cmd *cmd, | |
102 | struct cmdl *cmdl, void *data) | |
103 | { | |
104 | int sk; | |
105 | socklen_t sz = sizeof(struct sockaddr_tipc); | |
106 | struct sockaddr_tipc addr; | |
107 | ||
436270a4 PS |
108 | sk = socket(AF_TIPC, SOCK_RDM, 0); |
109 | if (sk < 0) { | |
f043759d RA |
110 | fprintf(stderr, "opening TIPC socket: %s\n", strerror(errno)); |
111 | return -1; | |
112 | } | |
113 | ||
114 | if (getsockname(sk, (struct sockaddr *)&addr, &sz) < 0) { | |
115 | fprintf(stderr, "getting TIPC socket address: %s\n", | |
116 | strerror(errno)); | |
117 | close(sk); | |
118 | return -1; | |
119 | } | |
120 | close(sk); | |
121 | ||
5947046d | 122 | printf("%08x\n", addr.addr.id.node); |
f043759d RA |
123 | return 0; |
124 | } | |
125 | ||
725ebfbf JM |
126 | static int cmd_node_set_nodeid(struct nlmsghdr *nlh, const struct cmd *cmd, |
127 | struct cmdl *cmdl, void *data) | |
128 | { | |
129 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
130 | uint8_t id[16] = {0,}; | |
131 | uint64_t *w0 = (uint64_t *) &id[0]; | |
132 | uint64_t *w1 = (uint64_t *) &id[8]; | |
133 | struct nlattr *nest; | |
134 | char *str; | |
135 | ||
136 | if (cmdl->argc != cmdl->optind + 1) { | |
137 | fprintf(stderr, "Usage: %s node set nodeid NODE_ID\n", | |
138 | cmdl->argv[0]); | |
139 | return -EINVAL; | |
140 | } | |
141 | ||
142 | str = shift_cmdl(cmdl); | |
143 | if (str2nodeid(str, id)) { | |
144 | fprintf(stderr, "Invalid node identity\n"); | |
145 | return -EINVAL; | |
146 | } | |
147 | ||
148 | nlh = msg_init(buf, TIPC_NL_NET_SET); | |
149 | if (!nlh) { | |
150 | fprintf(stderr, "error, message initialisation failed\n"); | |
151 | return -1; | |
152 | } | |
153 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET); | |
154 | mnl_attr_put_u64(nlh, TIPC_NLA_NET_NODEID, *w0); | |
155 | mnl_attr_put_u64(nlh, TIPC_NLA_NET_NODEID_W1, *w1); | |
156 | mnl_attr_nest_end(nlh, nest); | |
157 | return msg_doit(nlh, NULL, NULL); | |
158 | } | |
159 | ||
24bee3bf TL |
160 | static void cmd_node_set_key_help(struct cmdl *cmdl) |
161 | { | |
162 | fprintf(stderr, | |
163 | "Usage: %s node set key KEY [algname ALGNAME] [nodeid NODEID]\n\n" | |
164 | "PROPERTIES\n" | |
165 | " KEY - Symmetric KEY & SALT as a normal or hex string\n" | |
166 | " that consists of two parts:\n" | |
167 | " [KEY: 16, 24 or 32 octets][SALT: 4 octets]\n\n" | |
168 | " algname ALGNAME - Default: \"gcm(aes)\"\n\n" | |
169 | " nodeid NODEID - Own or peer node identity to which the key will\n" | |
170 | " be attached. If not present, the key is a cluster\n" | |
171 | " key!\n\n" | |
172 | "EXAMPLES\n" | |
173 | " %s node set key this_is_a_key16_salt algname \"gcm(aes)\" nodeid node1\n" | |
174 | " %s node set key 0x746869735F69735F615F6B657931365F73616C74 nodeid node2\n\n", | |
175 | cmdl->argv[0], cmdl->argv[0], cmdl->argv[0]); | |
176 | } | |
177 | ||
178 | static int cmd_node_set_key(struct nlmsghdr *nlh, const struct cmd *cmd, | |
179 | struct cmdl *cmdl, void *data) | |
180 | { | |
181 | struct { | |
182 | struct tipc_aead_key key; | |
183 | char mem[TIPC_AEAD_KEYLEN_MAX + 1]; | |
184 | } input = {}; | |
185 | struct opt opts[] = { | |
186 | { "algname", OPT_KEYVAL, NULL }, | |
187 | { "nodeid", OPT_KEYVAL, NULL }, | |
188 | { NULL } | |
189 | }; | |
190 | struct nlattr *nest; | |
191 | struct opt *opt_algname, *opt_nodeid; | |
192 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
193 | uint8_t id[TIPC_NODEID_LEN] = {0,}; | |
194 | int keysize; | |
195 | char *str; | |
196 | ||
197 | if (help_flag) { | |
198 | (cmd->help)(cmdl); | |
199 | return -EINVAL; | |
200 | } | |
201 | ||
202 | if (cmdl->optind >= cmdl->argc) { | |
203 | fprintf(stderr, "error, missing key\n"); | |
204 | return -EINVAL; | |
205 | } | |
206 | ||
207 | /* Get user key */ | |
208 | str = shift_cmdl(cmdl); | |
209 | if (str2key(str, &input.key)) { | |
210 | fprintf(stderr, "error, invalid key input\n"); | |
211 | return -EINVAL; | |
212 | } | |
213 | ||
214 | if (parse_opts(opts, cmdl) < 0) | |
215 | return -EINVAL; | |
216 | ||
217 | /* Get algorithm name, default: "gcm(aes)" */ | |
218 | opt_algname = get_opt(opts, "algname"); | |
219 | if (!opt_algname) | |
220 | strcpy(input.key.alg_name, "gcm(aes)"); | |
221 | else | |
222 | strcpy(input.key.alg_name, opt_algname->val); | |
223 | ||
224 | /* Get node identity */ | |
225 | opt_nodeid = get_opt(opts, "nodeid"); | |
226 | if (opt_nodeid && str2nodeid(opt_nodeid->val, id)) { | |
227 | fprintf(stderr, "error, invalid node identity\n"); | |
228 | return -EINVAL; | |
229 | } | |
230 | ||
231 | /* Init & do the command */ | |
232 | nlh = msg_init(buf, TIPC_NL_KEY_SET); | |
233 | if (!nlh) { | |
234 | fprintf(stderr, "error, message initialisation failed\n"); | |
235 | return -1; | |
236 | } | |
237 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_NODE); | |
238 | keysize = tipc_aead_key_size(&input.key); | |
239 | mnl_attr_put(nlh, TIPC_NLA_NODE_KEY, keysize, &input.key); | |
240 | if (opt_nodeid) | |
241 | mnl_attr_put(nlh, TIPC_NLA_NODE_ID, TIPC_NODEID_LEN, id); | |
242 | mnl_attr_nest_end(nlh, nest); | |
243 | return msg_doit(nlh, NULL, NULL); | |
244 | } | |
245 | ||
246 | static int cmd_node_flush_key(struct nlmsghdr *nlh, const struct cmd *cmd, | |
247 | struct cmdl *cmdl, void *data) | |
248 | { | |
249 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
250 | ||
251 | if (help_flag) { | |
252 | (cmd->help)(cmdl); | |
253 | return -EINVAL; | |
254 | } | |
255 | ||
256 | /* Init & do the command */ | |
257 | nlh = msg_init(buf, TIPC_NL_KEY_FLUSH); | |
258 | if (!nlh) { | |
259 | fprintf(stderr, "error, message initialisation failed\n"); | |
260 | return -1; | |
261 | } | |
262 | return msg_doit(nlh, NULL, NULL); | |
263 | } | |
264 | ||
725ebfbf JM |
265 | static int nodeid_get_cb(const struct nlmsghdr *nlh, void *data) |
266 | { | |
725ebfbf JM |
267 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
268 | struct nlattr *attrs[TIPC_NLA_NET_MAX + 1] = {}; | |
269 | char str[33] = {0,}; | |
270 | uint8_t id[16] = {0,}; | |
271 | uint64_t *w0 = (uint64_t *) &id[0]; | |
272 | uint64_t *w1 = (uint64_t *) &id[8]; | |
725ebfbf | 273 | |
8d05f33a | 274 | mnl_attr_parse(nlh, sizeof(struct genlmsghdr), parse_attrs, info); |
725ebfbf JM |
275 | if (!info[TIPC_NLA_NET]) |
276 | return MNL_CB_ERROR; | |
277 | ||
278 | mnl_attr_parse_nested(info[TIPC_NLA_NET], parse_attrs, attrs); | |
279 | if (!attrs[TIPC_NLA_NET_ID]) | |
280 | return MNL_CB_ERROR; | |
281 | ||
282 | *w0 = mnl_attr_get_u64(attrs[TIPC_NLA_NET_NODEID]); | |
283 | *w1 = mnl_attr_get_u64(attrs[TIPC_NLA_NET_NODEID_W1]); | |
284 | nodeid2str(id, str); | |
5947046d JM |
285 | printf("Node Identity Hash\n"); |
286 | printf("%-33s", str); | |
725ebfbf JM |
287 | cmd_node_get_addr(NULL, NULL, NULL, NULL); |
288 | return MNL_CB_OK; | |
289 | } | |
290 | ||
291 | static int cmd_node_get_nodeid(struct nlmsghdr *nlh, const struct cmd *cmd, | |
292 | struct cmdl *cmdl, void *data) | |
293 | { | |
294 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
295 | ||
296 | if (help_flag) { | |
297 | (cmd->help)(cmdl); | |
298 | return -EINVAL; | |
299 | } | |
300 | ||
301 | nlh = msg_init(buf, TIPC_NL_NET_GET); | |
302 | if (!nlh) { | |
303 | fprintf(stderr, "error, message initialisation failed\n"); | |
304 | return -1; | |
305 | } | |
306 | ||
307 | return msg_dumpit(nlh, nodeid_get_cb, NULL); | |
308 | } | |
309 | ||
310 | ||
f043759d RA |
311 | static int netid_get_cb(const struct nlmsghdr *nlh, void *data) |
312 | { | |
f043759d RA |
313 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
314 | struct nlattr *attrs[TIPC_NLA_NET_MAX + 1] = {}; | |
315 | ||
8d05f33a | 316 | mnl_attr_parse(nlh, sizeof(struct genlmsghdr), parse_attrs, info); |
f043759d RA |
317 | if (!info[TIPC_NLA_NET]) |
318 | return MNL_CB_ERROR; | |
319 | ||
320 | mnl_attr_parse_nested(info[TIPC_NLA_NET], parse_attrs, attrs); | |
321 | if (!attrs[TIPC_NLA_NET_ID]) | |
322 | return MNL_CB_ERROR; | |
323 | ||
324 | printf("%u\n", mnl_attr_get_u32(attrs[TIPC_NLA_NET_ID])); | |
325 | ||
326 | return MNL_CB_OK; | |
327 | } | |
328 | ||
329 | static int cmd_node_get_netid(struct nlmsghdr *nlh, const struct cmd *cmd, | |
330 | struct cmdl *cmdl, void *data) | |
331 | { | |
332 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
333 | ||
334 | if (help_flag) { | |
335 | (cmd->help)(cmdl); | |
336 | return -EINVAL; | |
337 | } | |
338 | ||
339 | if (!(nlh = msg_init(buf, TIPC_NL_NET_GET))) { | |
340 | fprintf(stderr, "error, message initialisation failed\n"); | |
341 | return -1; | |
342 | } | |
343 | ||
344 | return msg_dumpit(nlh, netid_get_cb, NULL); | |
345 | } | |
346 | ||
347 | static int cmd_node_set_netid(struct nlmsghdr *nlh, const struct cmd *cmd, | |
348 | struct cmdl *cmdl, void *data) | |
349 | { | |
350 | int netid; | |
351 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
352 | struct nlattr *nest; | |
353 | ||
354 | if (help_flag) { | |
355 | (cmd->help)(cmdl); | |
356 | return -EINVAL; | |
357 | } | |
358 | ||
359 | if (!(nlh = msg_init(buf, TIPC_NL_NET_SET))) { | |
360 | fprintf(stderr, "error, message initialisation failed\n"); | |
361 | return -1; | |
362 | } | |
363 | ||
364 | if (cmdl->argc != cmdl->optind + 1) { | |
365 | fprintf(stderr, "Usage: %s node set netid NETID\n", | |
366 | cmdl->argv[0]); | |
367 | return -EINVAL; | |
368 | } | |
369 | netid = atoi(shift_cmdl(cmdl)); | |
370 | ||
371 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET); | |
372 | mnl_attr_put_u32(nlh, TIPC_NLA_NET_ID, netid); | |
373 | mnl_attr_nest_end(nlh, nest); | |
374 | ||
375 | return msg_doit(nlh, NULL, NULL); | |
376 | } | |
377 | ||
24bee3bf TL |
378 | static void cmd_node_flush_help(struct cmdl *cmdl) |
379 | { | |
380 | fprintf(stderr, | |
381 | "Usage: %s node flush PROPERTY\n\n" | |
382 | "PROPERTIES\n" | |
383 | " key - Flush all symmetric-keys\n", | |
384 | cmdl->argv[0]); | |
385 | } | |
386 | ||
387 | static int cmd_node_flush(struct nlmsghdr *nlh, const struct cmd *cmd, | |
388 | struct cmdl *cmdl, void *data) | |
389 | { | |
390 | const struct cmd cmds[] = { | |
391 | { "key", cmd_node_flush_key, NULL }, | |
392 | { NULL } | |
393 | }; | |
394 | ||
395 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
396 | } | |
397 | ||
f043759d RA |
398 | static void cmd_node_set_help(struct cmdl *cmdl) |
399 | { | |
400 | fprintf(stderr, | |
401 | "Usage: %s node set PROPERTY\n\n" | |
402 | "PROPERTIES\n" | |
725ebfbf | 403 | " identity NODEID - Set node identity\n" |
24bee3bf TL |
404 | " clusterid CLUSTERID - Set local cluster id\n" |
405 | " key PROPERTY - Set symmetric-key\n", | |
f043759d RA |
406 | cmdl->argv[0]); |
407 | } | |
408 | ||
409 | static int cmd_node_set(struct nlmsghdr *nlh, const struct cmd *cmd, | |
410 | struct cmdl *cmdl, void *data) | |
411 | { | |
412 | const struct cmd cmds[] = { | |
725ebfbf JM |
413 | { "address", cmd_node_set_addr, NULL }, |
414 | { "identity", cmd_node_set_nodeid, NULL }, | |
f043759d | 415 | { "netid", cmd_node_set_netid, NULL }, |
725ebfbf | 416 | { "clusterid", cmd_node_set_netid, NULL }, |
24bee3bf | 417 | { "key", cmd_node_set_key, cmd_node_set_key_help }, |
f043759d RA |
418 | { NULL } |
419 | }; | |
420 | ||
421 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
422 | } | |
423 | ||
424 | static void cmd_node_get_help(struct cmdl *cmdl) | |
425 | { | |
426 | fprintf(stderr, | |
427 | "Usage: %s node get PROPERTY\n\n" | |
428 | "PROPERTIES\n" | |
725ebfbf JM |
429 | " identity - Get node identity\n" |
430 | " clusterid - Get local clusterid\n", | |
f043759d RA |
431 | cmdl->argv[0]); |
432 | } | |
433 | ||
434 | static int cmd_node_get(struct nlmsghdr *nlh, const struct cmd *cmd, | |
435 | struct cmdl *cmdl, void *data) | |
436 | { | |
437 | const struct cmd cmds[] = { | |
438 | { "address", cmd_node_get_addr, NULL }, | |
725ebfbf | 439 | { "identity", cmd_node_get_nodeid, NULL }, |
f043759d | 440 | { "netid", cmd_node_get_netid, NULL }, |
725ebfbf | 441 | { "clusterid", cmd_node_get_netid, NULL }, |
f043759d RA |
442 | { NULL } |
443 | }; | |
444 | ||
445 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
446 | } | |
447 | ||
448 | void cmd_node_help(struct cmdl *cmdl) | |
449 | { | |
450 | fprintf(stderr, | |
02573698 | 451 | "Usage: %s node COMMAND [ARGS] ...\n\n" |
f043759d RA |
452 | "COMMANDS\n" |
453 | " list - List remote nodes\n" | |
454 | " get - Get local node parameters\n" | |
24bee3bf TL |
455 | " set - Set local node parameters\n" |
456 | " flush - Flush local node parameters\n", | |
f043759d RA |
457 | cmdl->argv[0]); |
458 | } | |
459 | ||
460 | int cmd_node(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl, | |
461 | void *data) | |
462 | { | |
463 | const struct cmd cmds[] = { | |
464 | { "list", cmd_node_list, NULL }, | |
465 | { "get", cmd_node_get, cmd_node_get_help }, | |
466 | { "set", cmd_node_set, cmd_node_set_help }, | |
24bee3bf | 467 | { "flush", cmd_node_flush, cmd_node_flush_help}, |
f043759d RA |
468 | { NULL } |
469 | }; | |
470 | ||
471 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
472 | } |