xref: /illumos-gate/usr/src/cmd/dfs.cmds/sharectl/sharectl.c (revision bc1f688b4872ace323eaddbb1a6365d054e7bf56)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  * Copyright 2012 Milan Jurik. All rights reserved.
26  * Copyright 2016 Nexenta Systems, Inc.
27  */
28 
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <string.h>
32 #include <ctype.h>
33 #include <unistd.h>
34 #include <getopt.h>
35 #include <libgen.h>
36 
37 #include "libshare.h"
38 #include <sharemgr.h>
39 
40 #include <libintl.h>
41 #include <locale.h>
42 
43 static int run_command(char *, int, char **, sa_handle_t);
44 static void sub_command_help(char *proto);
45 
46 static void
47 global_help()
48 {
49 	(void) printf(gettext("usage: sharectl <subcommand> [<options>]\n"));
50 	sub_command_help(NULL);
51 }
52 
53 int
54 main(int argc, char *argv[])
55 {
56 	int c;
57 	int help = 0;
58 	int rval;
59 	char *command;
60 	sa_handle_t handle;
61 
62 	/*
63 	 * make sure locale and gettext domain is setup
64 	 */
65 	(void) setlocale(LC_ALL, "");
66 	(void) textdomain(TEXT_DOMAIN);
67 
68 	handle = sa_init(SA_INIT_CONTROL_API);
69 
70 	while ((c = getopt(argc, argv, "h?")) != EOF) {
71 		switch (c) {
72 		case '?':
73 		case 'h':
74 			help = 1;
75 			break;
76 		default:
77 			(void) printf(gettext("Invalid option: %c\n"), c);
78 		}
79 	}
80 	if (optind == argc || help) {
81 		/* no subcommand */
82 		global_help();
83 		exit(0);
84 	}
85 	optind = 1;
86 
87 	/*
88 	 * now have enough to parse rest of command line
89 	 */
90 	command = argv[optind];
91 	rval = run_command(command, argc - optind, argv + optind, handle);
92 
93 	sa_fini(handle);
94 	return (rval);
95 }
96 
97 char *
98 sc_get_usage(sc_usage_t index)
99 {
100 	char *ret = NULL;
101 
102 	switch (index) {
103 	case USAGE_CTL_DELSECT:
104 		ret = gettext("delsect\t<section> <proto>");
105 		break;
106 	case USAGE_CTL_GET:
107 		ret = gettext("get\t[-p <property>]... <proto>");
108 		break;
109 	case USAGE_CTL_SET:
110 		ret = gettext("set\t{-p <property>=<value>}... <proto>");
111 		break;
112 	case USAGE_CTL_STATUS:
113 		ret = gettext("status\t[<proto>]...");
114 		break;
115 	}
116 	return (ret);
117 }
118 
119 /*ARGSUSED*/
120 static int
121 sc_get(sa_handle_t handle, int flags, int argc, char *argv[])
122 {
123 	char *proto = NULL;
124 	struct options *optlist = NULL;
125 	int ret = SA_OK;
126 	int c;
127 	sa_protocol_properties_t propset, propsect;
128 	sa_property_t prop;
129 	char *section, *value, *name;
130 	int first = 1;
131 
132 	while ((c = getopt(argc, argv, "?hp:")) != EOF) {
133 		switch (c) {
134 		case 'p':
135 			ret = add_opt(&optlist, optarg, 1);
136 			if (ret != SA_OK) {
137 				(void) printf(gettext(
138 				    "Problem with property: %s\n"), optarg);
139 				return (SA_NO_MEMORY);
140 			}
141 			break;
142 		default:
143 			(void) printf(gettext("usage: %s\n"),
144 			    sc_get_usage(USAGE_CTL_GET));
145 			return (SA_SYNTAX_ERR);
146 		case '?':
147 		case 'h':
148 			(void) printf(gettext("usage: %s\n"),
149 			    sc_get_usage(USAGE_CTL_GET));
150 			return (SA_OK);
151 		}
152 	}
153 
154 	if (optind >= argc) {
155 		(void) printf(gettext("usage: %s\n"),
156 		    sc_get_usage(USAGE_CTL_GET));
157 		(void) printf(gettext("\tprotocol must be specified.\n"));
158 		return (SA_INVALID_PROTOCOL);
159 	}
160 
161 	proto = argv[optind];
162 	if (!sa_valid_protocol(proto)) {
163 		(void) printf(gettext("Invalid protocol specified: %s\n"),
164 		    proto);
165 		return (SA_INVALID_PROTOCOL);
166 	}
167 	propset = sa_proto_get_properties(proto);
168 	if (propset == NULL)
169 		return (ret);
170 
171 	if (optlist == NULL) {
172 		/* Display all known properties for this protocol */
173 		for (propsect = sa_get_protocol_section(propset, NULL);
174 		    propsect != NULL;
175 		    propsect = sa_get_next_protocol_section(propsect, NULL)) {
176 			section = sa_get_property_attr(propsect,
177 			    "name");
178 			/*
179 			 * If properties are organized into sections, as
180 			 * in the SMB client, print the section name.
181 			 */
182 			if (sa_proto_get_featureset(proto) &
183 			    SA_FEATURE_HAS_SECTIONS) {
184 				if (!first)
185 					(void) printf("\n");
186 				first = 0;
187 				(void) printf("[%s]\n",
188 				    section != NULL ? section : "");
189 			}
190 			if (section != NULL)
191 				sa_free_attr_string(section);
192 
193 			/* Display properties for this section */
194 			for (prop = sa_get_protocol_property(propsect, NULL);
195 			    prop != NULL;
196 			    prop = sa_get_next_protocol_property(prop, NULL)) {
197 
198 				/* get and display the property and value */
199 				name = sa_get_property_attr(prop, "type");
200 				if (name != NULL) {
201 					value = sa_get_property_attr(prop,
202 					    "value");
203 					(void) printf(gettext("%s=%s\n"), name,
204 					    value != NULL ? value : "");
205 				}
206 				if (value != NULL)
207 					sa_free_attr_string(value);
208 				if (name != NULL)
209 					sa_free_attr_string(name);
210 			}
211 		}
212 	} else {
213 		struct options *opt;
214 
215 		/* list the specified option(s) */
216 		for (opt = optlist; opt != NULL; opt = opt->next) {
217 			int printed = 0;
218 
219 			for (propsect = sa_get_protocol_section(propset, NULL);
220 			    propsect != NULL;
221 			    propsect = sa_get_next_protocol_section(propsect,
222 			    NULL)) {
223 
224 				section = sa_get_property_attr(propsect,
225 				    "name");
226 				for (prop = sa_get_protocol_property(propsect,
227 				    opt->optname);
228 				    prop != NULL;
229 				    prop = sa_get_next_protocol_property(
230 				    propsect, opt->optname)) {
231 					value = sa_get_property_attr(prop,
232 					    "value");
233 					if (sa_proto_get_featureset(proto) &
234 					    SA_FEATURE_HAS_SECTIONS) {
235 						(void) printf(
236 						    gettext("[%s] %s=%s\n"),
237 						    section != NULL ?
238 						    section : "", opt->optname,
239 						    value != NULL ? value : "");
240 					} else {
241 						(void) printf(
242 						    gettext("%s=%s\n"),
243 						    opt->optname,
244 						    value != NULL ? value : "");
245 					}
246 					if (value != NULL)
247 						sa_free_attr_string(value);
248 					printed = 1;
249 				}
250 				if (section != NULL)
251 					sa_free_attr_string(section);
252 			}
253 			if (!printed) {
254 				(void) printf(gettext("%s: not defined\n"),
255 				    opt->optname);
256 				ret = SA_NO_SUCH_PROP;
257 			}
258 		}
259 	}
260 	return (ret);
261 }
262 
263 /*ARGSUSED*/
264 static int
265 sc_set(sa_handle_t handle, int flags, int argc, char *argv[])
266 {
267 	char *proto = NULL;
268 	struct options *optlist = NULL;
269 	sa_protocol_properties_t propsect;
270 	int ret = SA_OK;
271 	int c;
272 	int err;
273 	sa_protocol_properties_t propset;
274 	sa_property_t prop;
275 
276 	while ((c = getopt(argc, argv, "?hp:")) != EOF) {
277 		switch (c) {
278 		case 'p':
279 			ret = add_opt(&optlist, optarg, 0);
280 			if (ret != SA_OK) {
281 				(void) printf(gettext(
282 				    "Problem with property: %s\n"), optarg);
283 				return (SA_NO_MEMORY);
284 			}
285 			break;
286 		default:
287 			(void) printf(gettext("usage: %s\n"),
288 			    sc_get_usage(USAGE_CTL_SET));
289 			return (SA_SYNTAX_ERR);
290 		case '?':
291 		case 'h':
292 			(void) printf(gettext("usage: %s\n"),
293 			    sc_get_usage(USAGE_CTL_SET));
294 			return (SA_OK);
295 		}
296 	}
297 
298 	if (optind >= argc) {
299 		(void) printf(gettext("usage: %s\n"),
300 		    sc_get_usage(USAGE_CTL_SET));
301 		(void) printf(gettext("\tprotocol must be specified.\n"));
302 		return (SA_INVALID_PROTOCOL);
303 	}
304 
305 	proto = argv[optind];
306 	if (!sa_valid_protocol(proto)) {
307 		(void) printf(gettext("Invalid protocol specified: %s\n"),
308 		    proto);
309 		return (SA_INVALID_PROTOCOL);
310 	}
311 	propset = sa_proto_get_properties(proto);
312 	if (propset == NULL)
313 		return (ret);
314 
315 	if (optlist == NULL) {
316 		(void) printf(gettext("usage: %s\n"),
317 		    sc_get_usage(USAGE_CTL_SET));
318 		(void) printf(gettext(
319 		    "\tat least one property and value "
320 		    "must be specified\n"));
321 	} else {
322 		struct options *opt;
323 		char *section = NULL;
324 		/* fetch and change the specified option(s) */
325 		for (opt = optlist; opt != NULL; opt = opt->next) {
326 			if (strncmp("section", opt->optname, 7) == 0) {
327 				if (section != NULL)
328 					free(section);
329 				section = strdup(opt->optvalue);
330 				continue;
331 			}
332 			if (sa_proto_get_featureset(proto) &
333 			    SA_FEATURE_HAS_SECTIONS) {
334 				propsect = sa_get_protocol_section(propset,
335 				    section);
336 				prop = sa_get_protocol_property(propsect,
337 				    opt->optname);
338 			} else {
339 				prop = sa_get_protocol_property(propset,
340 				    opt->optname);
341 			}
342 			if (prop == NULL && sa_proto_get_featureset(proto) &
343 			    SA_FEATURE_ADD_PROPERTIES) {
344 				sa_property_t sect;
345 				sect = sa_create_section(section, NULL);
346 				sa_set_section_attr(sect, "type", proto);
347 				(void) sa_add_protocol_property(propset, sect);
348 				prop = sa_create_property(
349 				    opt->optname, opt->optvalue);
350 				(void) sa_add_protocol_property(sect, prop);
351 			}
352 			if (prop != NULL) {
353 				/*
354 				 * "err" is used in order to prevent
355 				 * setting ret to SA_OK if there has
356 				 * been a real error. We want to be
357 				 * able to return an error status on
358 				 * exit in that case. Error messages
359 				 * are printed for each error, so we
360 				 * only care on exit that there was an
361 				 * error and not the specific error
362 				 * value.
363 				 */
364 				err = sa_set_protocol_property(prop, section,
365 				    opt->optvalue);
366 				if (err != SA_OK) {
367 					(void) printf(gettext(
368 					    "Could not set property"
369 					    " %s: %s\n"),
370 					    opt->optname, sa_errorstr(err));
371 					ret = err;
372 				}
373 			} else {
374 				(void) printf(gettext("%s: not defined\n"),
375 				    opt->optname);
376 				ret = SA_NO_SUCH_PROP;
377 			}
378 		}
379 	}
380 	return (ret);
381 }
382 
383 static void
384 show_status(char *proto)
385 {
386 	char *status;
387 	uint64_t features;
388 
389 	status = sa_get_protocol_status(proto);
390 	features = sa_proto_get_featureset(proto);
391 	(void) printf("%s\t%s", proto, status ? gettext(status) : "-");
392 	if (status != NULL)
393 		free(status);
394 	/*
395 	 * Need to flag a client only protocol so test suites can
396 	 * remove it from consideration.
397 	 */
398 	if (!(features & SA_FEATURE_SERVER))
399 		(void) printf(" client");
400 	(void) printf("\n");
401 }
402 
403 static int
404 valid_proto(char **protos, int num, char *proto)
405 {
406 	int i;
407 	for (i = 0; i < num; i++)
408 		if (strcmp(protos[i], proto) == 0)
409 			return (1);
410 	return (0);
411 }
412 
413 /*ARGSUSED*/
414 static int
415 sc_status(sa_handle_t handle, int flags, int argc, char *argv[])
416 {
417 	char **protos;
418 	int ret = SA_OK;
419 	int c;
420 	int i;
421 	int num_proto;
422 	int verbose = 0;
423 
424 	while ((c = getopt(argc, argv, "?hv")) != EOF) {
425 		switch (c) {
426 		case 'v':
427 			verbose++;
428 			break;
429 		case '?':
430 		case 'h':
431 			(void) printf(gettext("usage: %s\n"),
432 			    sc_get_usage(USAGE_CTL_STATUS));
433 			return (SA_OK);
434 		default:
435 			(void) printf(gettext("usage: %s\n"),
436 			    sc_get_usage(USAGE_CTL_STATUS));
437 			return (SA_SYNTAX_ERR);
438 		}
439 	}
440 
441 	num_proto = sa_get_protocols(&protos);
442 	if (optind == argc) {
443 		/* status for all protocols */
444 		for (i = 0; i < num_proto; i++) {
445 			show_status(protos[i]);
446 		}
447 	} else {
448 		for (i = optind; i < argc; i++) {
449 			if (valid_proto(protos, num_proto, argv[i])) {
450 				show_status(argv[i]);
451 			} else {
452 				(void) printf(gettext("Invalid protocol: %s\n"),
453 				    argv[i]);
454 				ret = SA_INVALID_PROTOCOL;
455 			}
456 		}
457 	}
458 	if (protos != NULL)
459 		free(protos);
460 	return (ret);
461 }
462 
463 /*ARGSUSED*/
464 static int
465 sc_delsect(sa_handle_t handle, int flags, int argc, char *argv[])
466 {
467 	char *proto = NULL;
468 	char *section = NULL;
469 	sa_protocol_properties_t propset;
470 	sa_protocol_properties_t propsect;
471 	int ret = SA_OK;
472 	int c;
473 
474 	while ((c = getopt(argc, argv, "?h")) != EOF) {
475 		switch (c) {
476 		default:
477 			ret = SA_SYNTAX_ERR;
478 			/*FALLTHROUGH*/
479 		case '?':
480 		case 'h':
481 			(void) printf(gettext("usage: %s\n"),
482 			    sc_get_usage(USAGE_CTL_DELSECT));
483 			return (ret);
484 		}
485 		/*NOTREACHED*/
486 	}
487 
488 	section = argv[optind++];
489 
490 	if (optind >= argc) {
491 		(void) printf(gettext("usage: %s\n"),
492 		    sc_get_usage(USAGE_CTL_DELSECT));
493 		(void) printf(gettext(
494 		    "\tsection and protocol must be specified.\n"));
495 		return (SA_INVALID_PROTOCOL);
496 	}
497 
498 	proto = argv[optind];
499 	if (!sa_valid_protocol(proto)) {
500 		(void) printf(gettext("Invalid protocol specified: %s\n"),
501 		    proto);
502 		return (SA_INVALID_PROTOCOL);
503 	}
504 
505 	if ((sa_proto_get_featureset(proto) & SA_FEATURE_HAS_SECTIONS) == 0) {
506 		(void) printf(gettext("Protocol %s does not have sections\n"),
507 		    proto);
508 		return (SA_NOT_SUPPORTED);
509 	}
510 
511 	propset = sa_proto_get_properties(proto);
512 	if (propset == NULL) {
513 		(void) printf(gettext("Cannot get properties for %s\n"),
514 		    proto);
515 		return (SA_NO_PROPERTIES);
516 	}
517 
518 	propsect = sa_get_protocol_section(propset, section);
519 	if (propsect == NULL) {
520 		(void) printf(gettext("Cannot find section %s for proto %s\n"),
521 		    section, proto);
522 		return (SA_NO_SUCH_SECTION);
523 	}
524 
525 	ret = sa_proto_delete_section(proto, section);
526 
527 	return (ret);
528 }
529 
530 static sa_command_t commands[] = {
531 	{"delsect", 0, sc_delsect, USAGE_CTL_DELSECT},
532 	{"get", 0, sc_get, USAGE_CTL_GET},
533 	{"set", 0, sc_set, USAGE_CTL_SET},
534 	{"status", 0, sc_status, USAGE_CTL_STATUS},
535 	{NULL, 0, NULL, 0},
536 };
537 
538 /*ARGSUSED*/
539 void
540 sub_command_help(char *proto)
541 {
542 	int i;
543 
544 	for (i = 0; commands[i].cmdname != NULL; i++) {
545 		if (!(commands[i].flags & (CMD_ALIAS|CMD_NODISPLAY)))
546 			(void) printf("\t%s\n",
547 			    sc_get_usage((sc_usage_t)commands[i].cmdidx));
548 	}
549 }
550 
551 sa_command_t *
552 sa_lookup(char *cmd)
553 {
554 	int i;
555 	size_t len;
556 
557 	len = strlen(cmd);
558 	for (i = 0; commands[i].cmdname != NULL; i++) {
559 		if (strncmp(cmd, commands[i].cmdname, len) == 0)
560 			return (&commands[i]);
561 	}
562 	return (NULL);
563 }
564 
565 static int
566 run_command(char *command, int argc, char *argv[], sa_handle_t handle)
567 {
568 	sa_command_t *cmdvec;
569 	int ret;
570 
571 	/*
572 	 * To get here, we know there should be a command due to the
573 	 * preprocessing done earlier.  Need to find the protocol
574 	 * that is being affected. If no protocol, then it is ALL
575 	 * protocols.
576 	 *
577 	 * ??? do we really need the protocol at this level? it may be
578 	 * sufficient to let the commands look it up if needed since
579 	 * not all commands do proto specific things
580 	 *
581 	 * Known sub-commands are handled at this level. An unknown
582 	 * command will be passed down to the shared object that
583 	 * actually implements it. We can do this since the semantics
584 	 * of the common sub-commands is well defined.
585 	 */
586 
587 	cmdvec = sa_lookup(command);
588 	if (cmdvec == NULL) {
589 		(void) printf(gettext("command %s not found\n"), command);
590 		exit(1);
591 	}
592 	/*
593 	 * need to check priviledges and restrict what can be done
594 	 * based on least priviledge and sub-command.
595 	 */
596 	ret = cmdvec->cmdfunc(handle, NULL, argc, argv);
597 	return (ret);
598 }
599