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Commit | Line | Data |
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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, | |
5fb36818 TL |
163 | "Usage: %s node set key KEY [algname ALGNAME] [PROPERTIES]\n\n" |
164 | "KEY\n" | |
165 | " Symmetric KEY & SALT as a composite ASCII or hex string (0x...) in form:\n" | |
166 | " [KEY: 16, 24 or 32 octets][SALT: 4 octets]\n\n" | |
167 | "ALGNAME\n" | |
168 | " Cipher algorithm [default: \"gcm(aes)\"]\n\n" | |
24bee3bf | 169 | "PROPERTIES\n" |
5fb36818 TL |
170 | " master - Set KEY as a cluster master key\n" |
171 | " <empty> - Set KEY as a cluster key\n" | |
172 | " nodeid NODEID - Set KEY as a per-node key for own or peer\n\n" | |
24bee3bf | 173 | "EXAMPLES\n" |
5fb36818 TL |
174 | " %s node set key this_is_a_master_key master\n" |
175 | " %s node set key 0x746869735F69735F615F6B657931365F73616C74\n" | |
176 | " %s node set key this_is_a_key16_salt algname \"gcm(aes)\" nodeid 1001002\n\n", | |
177 | cmdl->argv[0], cmdl->argv[0], cmdl->argv[0], cmdl->argv[0]); | |
24bee3bf TL |
178 | } |
179 | ||
180 | static int cmd_node_set_key(struct nlmsghdr *nlh, const struct cmd *cmd, | |
181 | struct cmdl *cmdl, void *data) | |
182 | { | |
183 | struct { | |
d5391e18 TL |
184 | union { |
185 | struct tipc_aead_key key; | |
186 | char mem[TIPC_AEAD_KEY_SIZE_MAX]; | |
187 | }; | |
24bee3bf TL |
188 | } input = {}; |
189 | struct opt opts[] = { | |
190 | { "algname", OPT_KEYVAL, NULL }, | |
191 | { "nodeid", OPT_KEYVAL, NULL }, | |
5fb36818 | 192 | { "master", OPT_KEY, NULL }, |
24bee3bf TL |
193 | { NULL } |
194 | }; | |
195 | struct nlattr *nest; | |
5fb36818 | 196 | struct opt *opt_algname, *opt_nodeid, *opt_master; |
24bee3bf TL |
197 | char buf[MNL_SOCKET_BUFFER_SIZE]; |
198 | uint8_t id[TIPC_NODEID_LEN] = {0,}; | |
199 | int keysize; | |
200 | char *str; | |
201 | ||
5fb36818 | 202 | if (help_flag || cmdl->optind >= cmdl->argc) { |
24bee3bf TL |
203 | (cmd->help)(cmdl); |
204 | return -EINVAL; | |
205 | } | |
206 | ||
24bee3bf TL |
207 | |
208 | /* Get user key */ | |
209 | str = shift_cmdl(cmdl); | |
210 | if (str2key(str, &input.key)) { | |
211 | fprintf(stderr, "error, invalid key input\n"); | |
212 | return -EINVAL; | |
213 | } | |
214 | ||
215 | if (parse_opts(opts, cmdl) < 0) | |
216 | return -EINVAL; | |
217 | ||
218 | /* Get algorithm name, default: "gcm(aes)" */ | |
219 | opt_algname = get_opt(opts, "algname"); | |
220 | if (!opt_algname) | |
221 | strcpy(input.key.alg_name, "gcm(aes)"); | |
222 | else | |
223 | strcpy(input.key.alg_name, opt_algname->val); | |
224 | ||
225 | /* Get node identity */ | |
226 | opt_nodeid = get_opt(opts, "nodeid"); | |
227 | if (opt_nodeid && str2nodeid(opt_nodeid->val, id)) { | |
228 | fprintf(stderr, "error, invalid node identity\n"); | |
229 | return -EINVAL; | |
230 | } | |
231 | ||
5fb36818 TL |
232 | /* Get master key indication */ |
233 | opt_master = get_opt(opts, "master"); | |
234 | ||
235 | /* Sanity check if wrong option */ | |
236 | if (opt_nodeid && opt_master) { | |
237 | fprintf(stderr, "error, per-node key cannot be master\n"); | |
238 | return -EINVAL; | |
239 | } | |
240 | ||
24bee3bf TL |
241 | /* Init & do the command */ |
242 | nlh = msg_init(buf, TIPC_NL_KEY_SET); | |
243 | if (!nlh) { | |
244 | fprintf(stderr, "error, message initialisation failed\n"); | |
245 | return -1; | |
246 | } | |
5fb36818 | 247 | |
24bee3bf TL |
248 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_NODE); |
249 | keysize = tipc_aead_key_size(&input.key); | |
250 | mnl_attr_put(nlh, TIPC_NLA_NODE_KEY, keysize, &input.key); | |
251 | if (opt_nodeid) | |
252 | mnl_attr_put(nlh, TIPC_NLA_NODE_ID, TIPC_NODEID_LEN, id); | |
5fb36818 TL |
253 | if (opt_master) |
254 | mnl_attr_put(nlh, TIPC_NLA_NODE_KEY_MASTER, 0, NULL); | |
255 | ||
24bee3bf TL |
256 | mnl_attr_nest_end(nlh, nest); |
257 | return msg_doit(nlh, NULL, NULL); | |
258 | } | |
259 | ||
260 | static int cmd_node_flush_key(struct nlmsghdr *nlh, const struct cmd *cmd, | |
261 | struct cmdl *cmdl, void *data) | |
262 | { | |
263 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
264 | ||
265 | if (help_flag) { | |
266 | (cmd->help)(cmdl); | |
267 | return -EINVAL; | |
268 | } | |
269 | ||
270 | /* Init & do the command */ | |
271 | nlh = msg_init(buf, TIPC_NL_KEY_FLUSH); | |
272 | if (!nlh) { | |
273 | fprintf(stderr, "error, message initialisation failed\n"); | |
274 | return -1; | |
275 | } | |
276 | return msg_doit(nlh, NULL, NULL); | |
277 | } | |
278 | ||
725ebfbf JM |
279 | static int nodeid_get_cb(const struct nlmsghdr *nlh, void *data) |
280 | { | |
725ebfbf JM |
281 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
282 | struct nlattr *attrs[TIPC_NLA_NET_MAX + 1] = {}; | |
283 | char str[33] = {0,}; | |
284 | uint8_t id[16] = {0,}; | |
285 | uint64_t *w0 = (uint64_t *) &id[0]; | |
286 | uint64_t *w1 = (uint64_t *) &id[8]; | |
725ebfbf | 287 | |
8d05f33a | 288 | mnl_attr_parse(nlh, sizeof(struct genlmsghdr), parse_attrs, info); |
725ebfbf JM |
289 | if (!info[TIPC_NLA_NET]) |
290 | return MNL_CB_ERROR; | |
291 | ||
292 | mnl_attr_parse_nested(info[TIPC_NLA_NET], parse_attrs, attrs); | |
293 | if (!attrs[TIPC_NLA_NET_ID]) | |
294 | return MNL_CB_ERROR; | |
295 | ||
296 | *w0 = mnl_attr_get_u64(attrs[TIPC_NLA_NET_NODEID]); | |
297 | *w1 = mnl_attr_get_u64(attrs[TIPC_NLA_NET_NODEID_W1]); | |
298 | nodeid2str(id, str); | |
5947046d JM |
299 | printf("Node Identity Hash\n"); |
300 | printf("%-33s", str); | |
725ebfbf JM |
301 | cmd_node_get_addr(NULL, NULL, NULL, NULL); |
302 | return MNL_CB_OK; | |
303 | } | |
304 | ||
305 | static int cmd_node_get_nodeid(struct nlmsghdr *nlh, const struct cmd *cmd, | |
306 | struct cmdl *cmdl, void *data) | |
307 | { | |
308 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
309 | ||
310 | if (help_flag) { | |
311 | (cmd->help)(cmdl); | |
312 | return -EINVAL; | |
313 | } | |
314 | ||
315 | nlh = msg_init(buf, TIPC_NL_NET_GET); | |
316 | if (!nlh) { | |
317 | fprintf(stderr, "error, message initialisation failed\n"); | |
318 | return -1; | |
319 | } | |
320 | ||
321 | return msg_dumpit(nlh, nodeid_get_cb, NULL); | |
322 | } | |
323 | ||
324 | ||
f043759d RA |
325 | static int netid_get_cb(const struct nlmsghdr *nlh, void *data) |
326 | { | |
f043759d RA |
327 | struct nlattr *info[TIPC_NLA_MAX + 1] = {}; |
328 | struct nlattr *attrs[TIPC_NLA_NET_MAX + 1] = {}; | |
329 | ||
8d05f33a | 330 | mnl_attr_parse(nlh, sizeof(struct genlmsghdr), parse_attrs, info); |
f043759d RA |
331 | if (!info[TIPC_NLA_NET]) |
332 | return MNL_CB_ERROR; | |
333 | ||
334 | mnl_attr_parse_nested(info[TIPC_NLA_NET], parse_attrs, attrs); | |
335 | if (!attrs[TIPC_NLA_NET_ID]) | |
336 | return MNL_CB_ERROR; | |
337 | ||
338 | printf("%u\n", mnl_attr_get_u32(attrs[TIPC_NLA_NET_ID])); | |
339 | ||
340 | return MNL_CB_OK; | |
341 | } | |
342 | ||
343 | static int cmd_node_get_netid(struct nlmsghdr *nlh, const struct cmd *cmd, | |
344 | struct cmdl *cmdl, void *data) | |
345 | { | |
346 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
347 | ||
348 | if (help_flag) { | |
349 | (cmd->help)(cmdl); | |
350 | return -EINVAL; | |
351 | } | |
352 | ||
353 | if (!(nlh = msg_init(buf, TIPC_NL_NET_GET))) { | |
354 | fprintf(stderr, "error, message initialisation failed\n"); | |
355 | return -1; | |
356 | } | |
357 | ||
358 | return msg_dumpit(nlh, netid_get_cb, NULL); | |
359 | } | |
360 | ||
361 | static int cmd_node_set_netid(struct nlmsghdr *nlh, const struct cmd *cmd, | |
362 | struct cmdl *cmdl, void *data) | |
363 | { | |
364 | int netid; | |
365 | char buf[MNL_SOCKET_BUFFER_SIZE]; | |
366 | struct nlattr *nest; | |
367 | ||
368 | if (help_flag) { | |
369 | (cmd->help)(cmdl); | |
370 | return -EINVAL; | |
371 | } | |
372 | ||
373 | if (!(nlh = msg_init(buf, TIPC_NL_NET_SET))) { | |
374 | fprintf(stderr, "error, message initialisation failed\n"); | |
375 | return -1; | |
376 | } | |
377 | ||
378 | if (cmdl->argc != cmdl->optind + 1) { | |
379 | fprintf(stderr, "Usage: %s node set netid NETID\n", | |
380 | cmdl->argv[0]); | |
381 | return -EINVAL; | |
382 | } | |
383 | netid = atoi(shift_cmdl(cmdl)); | |
384 | ||
385 | nest = mnl_attr_nest_start(nlh, TIPC_NLA_NET); | |
386 | mnl_attr_put_u32(nlh, TIPC_NLA_NET_ID, netid); | |
387 | mnl_attr_nest_end(nlh, nest); | |
388 | ||
389 | return msg_doit(nlh, NULL, NULL); | |
390 | } | |
391 | ||
24bee3bf TL |
392 | static void cmd_node_flush_help(struct cmdl *cmdl) |
393 | { | |
394 | fprintf(stderr, | |
395 | "Usage: %s node flush PROPERTY\n\n" | |
396 | "PROPERTIES\n" | |
397 | " key - Flush all symmetric-keys\n", | |
398 | cmdl->argv[0]); | |
399 | } | |
400 | ||
401 | static int cmd_node_flush(struct nlmsghdr *nlh, const struct cmd *cmd, | |
402 | struct cmdl *cmdl, void *data) | |
403 | { | |
404 | const struct cmd cmds[] = { | |
405 | { "key", cmd_node_flush_key, NULL }, | |
406 | { NULL } | |
407 | }; | |
408 | ||
409 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
410 | } | |
411 | ||
f043759d RA |
412 | static void cmd_node_set_help(struct cmdl *cmdl) |
413 | { | |
414 | fprintf(stderr, | |
415 | "Usage: %s node set PROPERTY\n\n" | |
416 | "PROPERTIES\n" | |
725ebfbf | 417 | " identity NODEID - Set node identity\n" |
24bee3bf TL |
418 | " clusterid CLUSTERID - Set local cluster id\n" |
419 | " key PROPERTY - Set symmetric-key\n", | |
f043759d RA |
420 | cmdl->argv[0]); |
421 | } | |
422 | ||
423 | static int cmd_node_set(struct nlmsghdr *nlh, const struct cmd *cmd, | |
424 | struct cmdl *cmdl, void *data) | |
425 | { | |
426 | const struct cmd cmds[] = { | |
725ebfbf JM |
427 | { "address", cmd_node_set_addr, NULL }, |
428 | { "identity", cmd_node_set_nodeid, NULL }, | |
f043759d | 429 | { "netid", cmd_node_set_netid, NULL }, |
725ebfbf | 430 | { "clusterid", cmd_node_set_netid, NULL }, |
24bee3bf | 431 | { "key", cmd_node_set_key, cmd_node_set_key_help }, |
f043759d RA |
432 | { NULL } |
433 | }; | |
434 | ||
435 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
436 | } | |
437 | ||
438 | static void cmd_node_get_help(struct cmdl *cmdl) | |
439 | { | |
440 | fprintf(stderr, | |
441 | "Usage: %s node get PROPERTY\n\n" | |
442 | "PROPERTIES\n" | |
725ebfbf JM |
443 | " identity - Get node identity\n" |
444 | " clusterid - Get local clusterid\n", | |
f043759d RA |
445 | cmdl->argv[0]); |
446 | } | |
447 | ||
448 | static int cmd_node_get(struct nlmsghdr *nlh, const struct cmd *cmd, | |
449 | struct cmdl *cmdl, void *data) | |
450 | { | |
451 | const struct cmd cmds[] = { | |
452 | { "address", cmd_node_get_addr, NULL }, | |
725ebfbf | 453 | { "identity", cmd_node_get_nodeid, NULL }, |
f043759d | 454 | { "netid", cmd_node_get_netid, NULL }, |
725ebfbf | 455 | { "clusterid", cmd_node_get_netid, NULL }, |
f043759d RA |
456 | { NULL } |
457 | }; | |
458 | ||
459 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
460 | } | |
461 | ||
462 | void cmd_node_help(struct cmdl *cmdl) | |
463 | { | |
464 | fprintf(stderr, | |
02573698 | 465 | "Usage: %s node COMMAND [ARGS] ...\n\n" |
f043759d RA |
466 | "COMMANDS\n" |
467 | " list - List remote nodes\n" | |
468 | " get - Get local node parameters\n" | |
24bee3bf TL |
469 | " set - Set local node parameters\n" |
470 | " flush - Flush local node parameters\n", | |
f043759d RA |
471 | cmdl->argv[0]); |
472 | } | |
473 | ||
474 | int cmd_node(struct nlmsghdr *nlh, const struct cmd *cmd, struct cmdl *cmdl, | |
475 | void *data) | |
476 | { | |
477 | const struct cmd cmds[] = { | |
478 | { "list", cmd_node_list, NULL }, | |
479 | { "get", cmd_node_get, cmd_node_get_help }, | |
480 | { "set", cmd_node_set, cmd_node_set_help }, | |
24bee3bf | 481 | { "flush", cmd_node_flush, cmd_node_flush_help}, |
f043759d RA |
482 | { NULL } |
483 | }; | |
484 | ||
485 | return run_cmd(nlh, cmd, cmds, cmdl, NULL); | |
486 | } |