xref: /illumos-gate/usr/src/lib/libnwam/common/libnwam_values.c (revision 627ade2ad3d27999387b31183c830a2d42c63ef5)
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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2012 Milan Jurik. All rights reserved.
25  */
26 
27 #include <assert.h>
28 #include <stdio.h>
29 #include <stdlib.h>
30 #include <string.h>
31 #include <sys/types.h>
32 #include <libdlwlan.h>
33 #include <libnvpair.h>
34 
35 #include "libnwam_impl.h"
36 #include <libnwam_priv.h>
37 #include <libnwam.h>
38 
39 /*
40  * Internal implementation of libnwam in-memory objects and values.  Objects
41  * are nvlists.
42  */
43 
44 void
45 nwam_value_free(nwam_value_t value)
46 {
47 	uint_t i;
48 
49 	if (value == NULL)
50 		return;
51 
52 	switch (value->nwv_value_type) {
53 	case NWAM_VALUE_TYPE_BOOLEAN:
54 		free(value->nwv_values.nwv_boolean);
55 		break;
56 	case NWAM_VALUE_TYPE_INT64:
57 		free(value->nwv_values.nwv_int64);
58 		break;
59 	case NWAM_VALUE_TYPE_UINT64:
60 		free(value->nwv_values.nwv_uint64);
61 		break;
62 	case NWAM_VALUE_TYPE_STRING:
63 		for (i = 0; i < value->nwv_value_numvalues; i++)
64 			free(value->nwv_values.nwv_string[i]);
65 		free(value->nwv_values.nwv_string);
66 		break;
67 	}
68 	free(value);
69 }
70 
71 nwam_error_t
72 nwam_value_create(nwam_value_type_t value_type, void *values, uint_t numvalues,
73     nwam_value_t *valuep)
74 {
75 	nwam_value_t newvalue;
76 	boolean_t *values_boolean;
77 	int64_t *values_int64;
78 	uint64_t *values_uint64;
79 	char **values_string;
80 	int i, j;
81 	nwam_error_t err = NWAM_SUCCESS;
82 
83 	*valuep = NULL;
84 
85 	if ((newvalue = calloc(1, sizeof (struct nwam_value))) == NULL)
86 		return (NWAM_NO_MEMORY);
87 
88 	newvalue->nwv_value_type = value_type;
89 	newvalue->nwv_value_numvalues = numvalues;
90 
91 	switch (value_type) {
92 	case NWAM_VALUE_TYPE_BOOLEAN:
93 		values_boolean = values;
94 		if ((newvalue->nwv_values.nwv_boolean =
95 		    calloc(numvalues, sizeof (boolean_t))) == NULL) {
96 			free(newvalue);
97 			return (NWAM_NO_MEMORY);
98 		}
99 		for (i = 0; i < numvalues; i++)
100 			newvalue->nwv_values.nwv_boolean[i] = values_boolean[i];
101 		break;
102 	case NWAM_VALUE_TYPE_INT64:
103 		values_int64 = values;
104 		if ((newvalue->nwv_values.nwv_int64 =
105 		    calloc(numvalues, sizeof (int64_t))) == NULL) {
106 			free(newvalue);
107 			return (NWAM_NO_MEMORY);
108 		}
109 		for (i = 0; i < numvalues; i++)
110 			newvalue->nwv_values.nwv_int64[i] = values_int64[i];
111 		break;
112 	case NWAM_VALUE_TYPE_UINT64:
113 		values_uint64 = values;
114 		if ((newvalue->nwv_values.nwv_uint64 =
115 		    calloc(numvalues, sizeof (uint64_t))) == NULL) {
116 			free(newvalue);
117 			return (NWAM_NO_MEMORY);
118 		}
119 		for (i = 0; i < numvalues; i++)
120 			newvalue->nwv_values.nwv_uint64[i] = values_uint64[i];
121 		break;
122 	case NWAM_VALUE_TYPE_STRING:
123 		values_string = values;
124 		if ((newvalue->nwv_values.nwv_string =
125 		    calloc(numvalues, sizeof (char *))) == NULL) {
126 			free(newvalue);
127 			return (NWAM_NO_MEMORY);
128 		}
129 		for (i = 0; i < numvalues; i++) {
130 			if (strnlen(values_string[i], NWAM_MAX_VALUE_LEN) ==
131 			    NWAM_MAX_VALUE_LEN) {
132 				err = NWAM_ENTITY_INVALID_VALUE;
133 			} else if ((newvalue->nwv_values.nwv_string[i] =
134 			    strdup(values_string[i])) == NULL) {
135 				err = NWAM_NO_MEMORY;
136 			}
137 			if (err != NWAM_SUCCESS) {
138 				for (j = 0; j < i; j++)
139 					free(
140 					    newvalue->nwv_values.nwv_string[i]);
141 				free(newvalue->nwv_values.nwv_string);
142 				free(newvalue);
143 				return (err);
144 			}
145 		}
146 		break;
147 	default:
148 		break;
149 	}
150 
151 	*valuep = newvalue;
152 	return (NWAM_SUCCESS);
153 }
154 
155 nwam_error_t
156 nwam_value_copy(nwam_value_t old, nwam_value_t *newp)
157 {
158 	void *values;
159 
160 	assert(old != NULL && newp != NULL);
161 
162 	switch (old->nwv_value_type) {
163 	case NWAM_VALUE_TYPE_BOOLEAN:
164 		values = old->nwv_values.nwv_boolean;
165 		break;
166 	case NWAM_VALUE_TYPE_INT64:
167 		values = old->nwv_values.nwv_int64;
168 		break;
169 	case NWAM_VALUE_TYPE_UINT64:
170 		values = old->nwv_values.nwv_uint64;
171 		break;
172 	case NWAM_VALUE_TYPE_STRING:
173 		values = old->nwv_values.nwv_string;
174 		break;
175 	default:
176 		return (NWAM_INVALID_ARG);
177 	}
178 	return (nwam_value_create(old->nwv_value_type, values,
179 	    old->nwv_value_numvalues, newp));
180 }
181 nwam_error_t
182 nwam_value_create_boolean_array(boolean_t *values, uint_t numvalues,
183     nwam_value_t *valuep)
184 {
185 	return (nwam_value_create(NWAM_VALUE_TYPE_BOOLEAN, values, numvalues,
186 	    valuep));
187 }
188 
189 nwam_error_t
190 nwam_value_create_boolean(boolean_t value, nwam_value_t *valuep)
191 {
192 	return (nwam_value_create_boolean_array(&value, 1, valuep));
193 }
194 
195 nwam_error_t
196 nwam_value_create_int64_array(int64_t *values, uint_t numvalues,
197     nwam_value_t *valuep)
198 {
199 	return (nwam_value_create(NWAM_VALUE_TYPE_INT64, values, numvalues,
200 	    valuep));
201 }
202 
203 nwam_error_t
204 nwam_value_create_int64(int64_t value, nwam_value_t *valuep)
205 {
206 	return (nwam_value_create_int64_array(&value, 1, valuep));
207 }
208 
209 nwam_error_t
210 nwam_value_create_uint64_array(uint64_t *values, uint_t numvalues,
211     nwam_value_t *valuep)
212 {
213 	return (nwam_value_create(NWAM_VALUE_TYPE_UINT64, values, numvalues,
214 	    valuep));
215 }
216 
217 nwam_error_t
218 nwam_value_create_uint64(uint64_t value, nwam_value_t *valuep)
219 {
220 	return (nwam_value_create_uint64_array(&value, 1, valuep));
221 }
222 
223 nwam_error_t
224 nwam_value_create_string_array(char **values, uint_t numvalues,
225     nwam_value_t *valuep)
226 {
227 	return (nwam_value_create(NWAM_VALUE_TYPE_STRING, values, numvalues,
228 	    valuep));
229 }
230 
231 nwam_error_t
232 nwam_value_create_string(char *value, nwam_value_t *valuep)
233 {
234 	return (nwam_value_create_string_array(&value, 1, valuep));
235 }
236 
237 nwam_error_t
238 nwam_value_get_boolean_array(nwam_value_t value, boolean_t **valuesp,
239     uint_t *numvaluesp)
240 {
241 	assert(value != NULL && numvaluesp != NULL && valuesp != NULL);
242 
243 	*numvaluesp = value->nwv_value_numvalues;
244 	*valuesp = value->nwv_values.nwv_boolean;
245 	return (NWAM_SUCCESS);
246 }
247 
248 nwam_error_t
249 nwam_value_get_boolean(nwam_value_t value, boolean_t *valuep)
250 {
251 	uint_t numvalues;
252 	boolean_t *myvaluesp;
253 	nwam_error_t err;
254 
255 	err = nwam_value_get_boolean_array(value, &myvaluesp, &numvalues);
256 	if (err != NWAM_SUCCESS)
257 		return (err);
258 	if (numvalues != 1)
259 		return (NWAM_ENTITY_MULTIPLE_VALUES);
260 
261 	*valuep = myvaluesp[0];
262 	return (NWAM_SUCCESS);
263 }
264 
265 nwam_error_t
266 nwam_value_get_int64_array(nwam_value_t value, int64_t **valuesp,
267     uint_t *numvaluesp)
268 {
269 	assert(value != NULL && numvaluesp != NULL && valuesp != NULL);
270 
271 	*numvaluesp = value->nwv_value_numvalues;
272 	*valuesp = value->nwv_values.nwv_int64;
273 	return (NWAM_SUCCESS);
274 }
275 
276 nwam_error_t
277 nwam_value_get_int64(nwam_value_t value, int64_t *valuep)
278 {
279 	uint_t numvalues;
280 	int64_t *myvaluesp;
281 	nwam_error_t err;
282 
283 	err = nwam_value_get_int64_array(value, &myvaluesp, &numvalues);
284 	if (err != NWAM_SUCCESS)
285 		return (err);
286 	if (numvalues != 1)
287 		return (NWAM_ENTITY_MULTIPLE_VALUES);
288 
289 	*valuep = myvaluesp[0];
290 	return (NWAM_SUCCESS);
291 }
292 
293 nwam_error_t
294 nwam_value_get_uint64_array(nwam_value_t value, uint64_t **valuesp,
295     uint_t *numvaluesp)
296 {
297 	assert(value != NULL && numvaluesp != NULL && valuesp != NULL);
298 
299 	*numvaluesp = value->nwv_value_numvalues;
300 	*valuesp = value->nwv_values.nwv_uint64;
301 	return (NWAM_SUCCESS);
302 }
303 
304 nwam_error_t
305 nwam_value_get_uint64(nwam_value_t value, uint64_t *valuep)
306 {
307 	uint_t numvalues;
308 	uint64_t *myvaluesp;
309 	nwam_error_t err;
310 
311 	err = nwam_value_get_uint64_array(value, &myvaluesp, &numvalues);
312 	if (err != NWAM_SUCCESS)
313 		return (err);
314 	if (numvalues != 1)
315 		return (NWAM_ENTITY_MULTIPLE_VALUES);
316 
317 	*valuep = myvaluesp[0];
318 	return (NWAM_SUCCESS);
319 }
320 
321 nwam_error_t
322 nwam_value_get_string_array(nwam_value_t value, char ***valuesp,
323     uint_t *numvaluesp)
324 {
325 	assert(value != NULL && numvaluesp != NULL && valuesp != NULL);
326 
327 	*numvaluesp = value->nwv_value_numvalues;
328 	*valuesp = value->nwv_values.nwv_string;
329 	return (NWAM_SUCCESS);
330 }
331 
332 nwam_error_t
333 nwam_value_get_string(nwam_value_t value, char **valuep)
334 {
335 	uint_t numvalues;
336 	char **myvaluesp;
337 	nwam_error_t err;
338 
339 	err = nwam_value_get_string_array(value, &myvaluesp, &numvalues);
340 	if (err != NWAM_SUCCESS)
341 		return (err);
342 	if (numvalues != 1)
343 		return (NWAM_ENTITY_MULTIPLE_VALUES);
344 
345 	*valuep = myvaluesp[0];
346 	return (NWAM_SUCCESS);
347 }
348 
349 nwam_error_t
350 nwam_value_get_type(nwam_value_t value, nwam_value_type_t *typep)
351 {
352 	*typep = value->nwv_value_type;
353 	return (NWAM_SUCCESS);
354 }
355 
356 nwam_error_t
357 nwam_value_get_numvalues(nwam_value_t value, uint_t *numvaluesp)
358 {
359 	*numvaluesp = value->nwv_value_numvalues;
360 	return (NWAM_SUCCESS);
361 }
362 
363 /*
364  * Generic object data functions. We hide nvlist implementation
365  * from NCP, ENM and location implementations.
366  */
367 nwam_error_t
368 nwam_alloc_object_list(void *list)
369 {
370 	int nverr;
371 
372 	assert(list != NULL);
373 
374 	if ((nverr = nvlist_alloc((nvlist_t **)list, NV_UNIQUE_NAME, 0)) != 0)
375 		return (nwam_errno_to_nwam_error(nverr));
376 
377 	return (NWAM_SUCCESS);
378 }
379 
380 void
381 nwam_free_object_list(void *list)
382 {
383 	nvlist_free(list);
384 }
385 
386 nwam_error_t
387 nwam_dup_object_list(void *oldlist, void *newlist)
388 {
389 	int nverr;
390 
391 	assert(oldlist != NULL && newlist != NULL);
392 
393 	if ((nverr = nvlist_dup(oldlist, newlist, 0)) != 0)
394 		return (nwam_errno_to_nwam_error(nverr));
395 
396 	return (NWAM_SUCCESS);
397 }
398 
399 /* Add child object list to parent object list using property name childname */
400 nwam_error_t
401 nwam_object_list_add_object_list(void *parentlist, char *childname,
402     void *childlist)
403 {
404 	return (nwam_errno_to_nwam_error(nvlist_add_nvlist(parentlist,
405 	    childname, childlist)));
406 }
407 
408 /* Remove object list from parent object list */
409 nwam_error_t
410 nwam_object_list_remove_object_list(void *parentlist, char *childname)
411 {
412 	return (nwam_errno_to_nwam_error(nvlist_remove_all(parentlist,
413 	    childname)));
414 }
415 
416 /*
417  * Get next object list (nvlist) after lastname.  Used to walk NCUs, ENMs and
418  * locations, each of which is internally represented as an nvlist.
419  */
420 nwam_error_t
421 nwam_next_object_list(void *parentlist, char *lastname, char **childnamep,
422     void *childlistp)
423 {
424 	nvpair_t *last = NULL, *next;
425 	int nverr;
426 
427 	if (lastname != NULL) {
428 		if ((nverr = nvlist_lookup_nvpair(parentlist, lastname, &last))
429 		    != 0)
430 			return (nwam_errno_to_nwam_error(nverr));
431 	}
432 	if ((next = nvlist_next_nvpair(parentlist, last)) == NULL)
433 		return (NWAM_LIST_END);
434 
435 	*childnamep = nvpair_name(next);
436 
437 	if (nvpair_type(next) != DATA_TYPE_NVLIST)
438 		return (NWAM_ERROR_INTERNAL);
439 
440 	if ((nverr = nvpair_value_nvlist(next, childlistp)) != NWAM_SUCCESS)
441 		return (nwam_errno_to_nwam_error(nverr));
442 
443 	return (NWAM_SUCCESS);
444 }
445 
446 /*
447  * Pack nvlist into contiguous memory. If packed_listp is NULL, we just
448  * return the size of the memory needed to do so.
449  */
450 nwam_error_t
451 nwam_pack_object_list(void *list, char **packed_listp, size_t *packed_sizep)
452 {
453 	int nverr;
454 
455 	assert(list != NULL && packed_sizep != NULL);
456 
457 	if (packed_listp == NULL) {
458 		nverr = nvlist_size(list, packed_sizep, NV_ENCODE_XDR);
459 	} else {
460 		nverr = nvlist_pack(list, packed_listp, packed_sizep,
461 		    NV_ENCODE_XDR, 0);
462 	}
463 
464 	if (nverr != 0)
465 		return (nwam_errno_to_nwam_error(nverr));
466 
467 	return (NWAM_SUCCESS);
468 }
469 
470 nwam_error_t
471 nwam_unpack_object_list(char *packed_list, size_t packed_size,
472     void *list)
473 {
474 	int nverr;
475 
476 	assert(packed_list != NULL && list != NULL);
477 
478 	*((nvlist_t **)list) = NULL;
479 
480 	nverr = nvlist_unpack(packed_list, packed_size, (nvlist_t **)list, 0);
481 
482 	if (nverr != 0)
483 		return (nwam_errno_to_nwam_error(nverr));
484 
485 	return (NWAM_SUCCESS);
486 }
487 
488 /*
489  * Functions to walk, set and get properties in nvlist, translating
490  * between nwam_value_t and nvlist/nvpair representations.
491  */
492 nwam_error_t
493 nwam_next_object_prop(void *list, char *lastname, char **namep,
494     nwam_value_t *valuep)
495 {
496 	nvpair_t *last = NULL, *next;
497 	int nverr;
498 
499 	if (lastname != NULL) {
500 		if ((nverr = nvlist_lookup_nvpair(list, lastname, &last)) != 0)
501 			return (nwam_errno_to_nwam_error(nverr));
502 	}
503 	if ((next = nvlist_next_nvpair(list, last)) == NULL)
504 		return (NWAM_LIST_END);
505 
506 	*namep = nvpair_name(next);
507 
508 	return (nwam_get_prop_value(list, (const char *)*namep, valuep));
509 }
510 
511 nwam_error_t
512 nwam_get_prop_value(void *list, const char *name, nwam_value_t *valuep)
513 {
514 	nvpair_t *prop;
515 	nwam_error_t err;
516 	int nverr;
517 	boolean_t *valbool;
518 	int64_t *valint64;
519 	uint64_t *valuint64;
520 	char **valstr;
521 	uint_t numvalues;
522 
523 	assert(valuep != NULL);
524 
525 	*valuep = NULL;
526 
527 	if ((nverr = nvlist_lookup_nvpair(list, name, &prop)) != 0) {
528 		return (nwam_errno_to_nwam_error(nverr));
529 	}
530 
531 	switch (nvpair_type(prop)) {
532 	case DATA_TYPE_BOOLEAN_ARRAY:
533 		if ((nverr = nvpair_value_boolean_array(prop,
534 		    &valbool, &numvalues)) != 0)
535 			return (nwam_errno_to_nwam_error(nverr));
536 		if ((err = nwam_value_create_boolean_array(valbool, numvalues,
537 		    valuep)) != NWAM_SUCCESS)
538 			return (err);
539 		break;
540 	case DATA_TYPE_INT64_ARRAY:
541 		if ((nverr = nvpair_value_int64_array(prop,
542 		    &valint64, &numvalues)) != 0)
543 			return (nwam_errno_to_nwam_error(nverr));
544 		if ((err = nwam_value_create_int64_array(valint64, numvalues,
545 		    valuep)) != NWAM_SUCCESS)
546 			return (err);
547 		break;
548 	case DATA_TYPE_UINT64_ARRAY:
549 		if ((nverr = nvpair_value_uint64_array(prop,
550 		    &valuint64, &numvalues)) != 0)
551 			return (nwam_errno_to_nwam_error(nverr));
552 		if ((err = nwam_value_create_uint64_array(valuint64, numvalues,
553 		    valuep)) != NWAM_SUCCESS)
554 			return (err);
555 		break;
556 	case DATA_TYPE_STRING_ARRAY:
557 		if ((nverr = nvpair_value_string_array(prop,
558 		    &valstr, &numvalues)) != 0)
559 			return (nwam_errno_to_nwam_error(nverr));
560 		if ((err = nwam_value_create_string_array(valstr, numvalues,
561 		    valuep)) != NWAM_SUCCESS)
562 			return (err);
563 		break;
564 	default:
565 		/* Should not happen */
566 		return (NWAM_ERROR_INTERNAL);
567 	}
568 	return (NWAM_SUCCESS);
569 }
570 
571 nwam_error_t
572 nwam_delete_prop(void *list, const char *name)
573 {
574 	int nverr;
575 
576 	if ((nverr = nvlist_remove_all(list, name)) != 0)
577 		return (nwam_errno_to_nwam_error(nverr));
578 	return (NWAM_SUCCESS);
579 }
580 
581 nwam_error_t
582 nwam_set_prop_value(void *list, const char *propname, nwam_value_t value)
583 {
584 	int nverr;
585 	nwam_error_t err;
586 	nwam_value_type_t type;
587 	uint_t numvalues;
588 	boolean_t *valbool;
589 	int64_t *valint64;
590 	uint64_t *valuint64;
591 	char **valstr;
592 
593 	assert(list != NULL && value != NULL);
594 
595 	if ((err = nwam_value_get_type(value, &type)) != NWAM_SUCCESS)
596 		return (err);
597 
598 	switch (type) {
599 	case NWAM_VALUE_TYPE_BOOLEAN:
600 		if ((err = nwam_value_get_boolean_array(value, &valbool,
601 		    &numvalues)) != NWAM_SUCCESS)
602 			return (err);
603 		if ((nverr = nvlist_add_boolean_array(list, propname,
604 		    valbool, numvalues)) != 0)
605 			return (nwam_errno_to_nwam_error(nverr));
606 		break;
607 	case NWAM_VALUE_TYPE_INT64:
608 		if ((err = nwam_value_get_int64_array(value, &valint64,
609 		    &numvalues)) != NWAM_SUCCESS)
610 			return (err);
611 		if ((nverr = nvlist_add_int64_array(list, propname,
612 		    valint64, numvalues)) != 0)
613 			return (nwam_errno_to_nwam_error(nverr));
614 		break;
615 	case NWAM_VALUE_TYPE_UINT64:
616 		if ((err = nwam_value_get_uint64_array(value, &valuint64,
617 		    &numvalues)) != NWAM_SUCCESS)
618 			return (err);
619 		if ((nverr = nvlist_add_uint64_array(list, propname,
620 		    valuint64, numvalues)) != 0)
621 			return (nwam_errno_to_nwam_error(nverr));
622 		break;
623 	case NWAM_VALUE_TYPE_STRING:
624 		if ((err = nwam_value_get_string_array(value, &valstr,
625 		    &numvalues)) != NWAM_SUCCESS)
626 			return (err);
627 		if ((nverr = nvlist_add_string_array(list, propname,
628 		    valstr, numvalues)) != 0)
629 			return (nwam_errno_to_nwam_error(nverr));
630 		break;
631 	default:
632 		return (NWAM_INVALID_ARG);
633 	}
634 
635 	return (NWAM_SUCCESS);
636 }
637 
638 /* Map uint64 values to their string counterparts */
639 
640 struct nwam_value_entry {
641 	const char	*value_string;
642 	uint64_t		value;
643 };
644 
645 struct nwam_value_entry prop_activation_mode_value_entries[] =
646 {
647 	{ NWAM_ACTIVATION_MODE_MANUAL_STRING, NWAM_ACTIVATION_MODE_MANUAL },
648 	{ NWAM_ACTIVATION_MODE_SYSTEM_STRING, NWAM_ACTIVATION_MODE_SYSTEM },
649 	{ NWAM_ACTIVATION_MODE_CONDITIONAL_ANY_STRING,
650 	NWAM_ACTIVATION_MODE_CONDITIONAL_ANY },
651 	{ NWAM_ACTIVATION_MODE_CONDITIONAL_ALL_STRING,
652 	NWAM_ACTIVATION_MODE_CONDITIONAL_ALL },
653 	{ NWAM_ACTIVATION_MODE_PRIORITIZED_STRING,
654 	NWAM_ACTIVATION_MODE_PRIORITIZED },
655 	{ NULL, 0 }
656 };
657 
658 struct nwam_value_entry ncu_prop_type_entries[] =
659 {
660 	{ NWAM_NCU_TYPE_LINK_STRING, NWAM_NCU_TYPE_LINK },
661 	{ NWAM_NCU_TYPE_INTERFACE_STRING, NWAM_NCU_TYPE_INTERFACE },
662 	{ NULL, 0 }
663 };
664 
665 struct nwam_value_entry ncu_prop_class_entries[] =
666 {
667 	{ NWAM_NCU_CLASS_PHYS_STRING, NWAM_NCU_CLASS_PHYS },
668 	{ NWAM_NCU_CLASS_IP_STRING, NWAM_NCU_CLASS_IP },
669 	{ NULL, 0 }
670 };
671 
672 struct nwam_value_entry ncu_prop_ip_version_entries[] =
673 {
674 	{ NWAM_IP_VERSION_IPV4_STRING, IPV4_VERSION },
675 	{ NWAM_IP_VERSION_IPV6_STRING, IPV6_VERSION },
676 	{ NULL, 0 }
677 };
678 
679 struct nwam_value_entry ncu_prop_ipv4_addrsrc_entries[] =
680 {
681 	{ NWAM_ADDRSRC_DHCP_STRING, NWAM_ADDRSRC_DHCP },
682 	{ NWAM_ADDRSRC_STATIC_STRING, NWAM_ADDRSRC_STATIC },
683 	{ NULL, 0 }
684 };
685 
686 struct nwam_value_entry ncu_prop_ipv6_addrsrc_entries[] =
687 {
688 	{ NWAM_ADDRSRC_DHCP_STRING, NWAM_ADDRSRC_DHCP },
689 	{ NWAM_ADDRSRC_STATIC_STRING, NWAM_ADDRSRC_STATIC },
690 	{ NWAM_ADDRSRC_AUTOCONF_STRING, NWAM_ADDRSRC_AUTOCONF },
691 	{ NULL, 0 }
692 };
693 
694 struct nwam_value_entry ncu_prop_priority_mode_entries[] =
695 {
696 	{ NWAM_PRIORITY_MODE_EXCLUSIVE_STRING, NWAM_PRIORITY_MODE_EXCLUSIVE },
697 	{ NWAM_PRIORITY_MODE_SHARED_STRING, NWAM_PRIORITY_MODE_SHARED },
698 	{ NWAM_PRIORITY_MODE_ALL_STRING, NWAM_PRIORITY_MODE_ALL },
699 	{ NULL, 0 }
700 };
701 
702 struct nwam_value_entry loc_prop_nameservices_entries[] =
703 {
704 	{ NWAM_NAMESERVICES_DNS_STRING, NWAM_NAMESERVICES_DNS },
705 	{ NWAM_NAMESERVICES_FILES_STRING, NWAM_NAMESERVICES_FILES },
706 	{ NWAM_NAMESERVICES_NIS_STRING, NWAM_NAMESERVICES_NIS },
707 	{ NWAM_NAMESERVICES_LDAP_STRING, NWAM_NAMESERVICES_LDAP },
708 	{ NULL, 0 }
709 };
710 
711 struct nwam_value_entry loc_prop_nameservice_configsrc_entries[] =
712 {
713 	{ NWAM_CONFIGSRC_MANUAL_STRING, NWAM_CONFIGSRC_MANUAL },
714 	{ NWAM_CONFIGSRC_DHCP_STRING, NWAM_CONFIGSRC_DHCP },
715 	{ NULL, 0 }
716 };
717 
718 struct nwam_value_entry known_wlan_prop_security_mode_entries[] =
719 {
720 	{ "none", DLADM_WLAN_SECMODE_NONE },
721 	{ "wep", DLADM_WLAN_SECMODE_WEP },
722 	{ "wpa", DLADM_WLAN_SECMODE_WPA },
723 	{ NULL, 0 }
724 };
725 
726 struct nwam_prop_value_entry {
727 	const char		*prop_name;
728 	struct nwam_value_entry	*value_entries;
729 } prop_value_entry_table[] =
730 {
731 	{ NWAM_NCU_PROP_ACTIVATION_MODE, prop_activation_mode_value_entries },
732 	{ NWAM_NCU_PROP_TYPE, ncu_prop_type_entries },
733 	{ NWAM_NCU_PROP_CLASS, ncu_prop_class_entries },
734 	{ NWAM_NCU_PROP_IP_VERSION, ncu_prop_ip_version_entries },
735 	{ NWAM_NCU_PROP_IPV4_ADDRSRC, ncu_prop_ipv4_addrsrc_entries },
736 	{ NWAM_NCU_PROP_IPV6_ADDRSRC, ncu_prop_ipv6_addrsrc_entries },
737 	{ NWAM_NCU_PROP_PRIORITY_MODE, ncu_prop_priority_mode_entries },
738 	{ NWAM_ENM_PROP_ACTIVATION_MODE, prop_activation_mode_value_entries },
739 	{ NWAM_LOC_PROP_ACTIVATION_MODE, prop_activation_mode_value_entries },
740 	{ NWAM_LOC_PROP_NAMESERVICES, loc_prop_nameservices_entries },
741 	{ NWAM_LOC_PROP_DNS_NAMESERVICE_CONFIGSRC,
742 	    loc_prop_nameservice_configsrc_entries },
743 	{ NWAM_LOC_PROP_NIS_NAMESERVICE_CONFIGSRC,
744 	    loc_prop_nameservice_configsrc_entries },
745 	{ NWAM_LOC_PROP_LDAP_NAMESERVICE_CONFIGSRC,
746 	    loc_prop_nameservice_configsrc_entries },
747 	{ NWAM_KNOWN_WLAN_PROP_SECURITY_MODE,
748 	    known_wlan_prop_security_mode_entries },
749 	{ NULL, NULL }
750 };
751 
752 /*
753  * Convert uint64 values for property propname into a string representing
754  * that value. Used by enum values.
755  */
756 nwam_error_t
757 nwam_uint64_get_value_string(const char *propname, uint64_t val,
758     const char **valstrp)
759 {
760 	int i, j;
761 	int max = 0; /* largest enum value seen so far */
762 	struct nwam_value_entry *value_entries;
763 
764 	assert(propname != NULL && valstrp != NULL);
765 
766 	for (i = 0; prop_value_entry_table[i].prop_name != NULL; i++) {
767 		if (strcmp(prop_value_entry_table[i].prop_name, propname) != 0)
768 			continue;
769 
770 		value_entries = prop_value_entry_table[i].value_entries;
771 
772 		for (j = 0; value_entries[j].value_string != NULL; j++) {
773 			if (value_entries[j].value == val) {
774 				*valstrp = value_entries[j].value_string;
775 				return (NWAM_SUCCESS);
776 			}
777 			max = value_entries[j].value > max ?
778 			    value_entries[j].value : max;
779 		}
780 		/*
781 		 * If trying to get the string for an enum value that doesn't
782 		 * exist, return NWAM_LIST_END.  Otherwise, the input enum
783 		 * value doesn't exist for the given property.
784 		 */
785 		if (val > max)
786 			return (NWAM_LIST_END);
787 		else
788 			return (NWAM_ENTITY_INVALID_VALUE);
789 	}
790 	return (NWAM_INVALID_ARG);
791 }
792 
793 /*
794  * Convert string to appropriate uint64 value.
795  */
796 nwam_error_t
797 nwam_value_string_get_uint64(const char *propname, const char *valstr,
798     uint64_t *valp)
799 {
800 	int i, j;
801 	struct nwam_value_entry *value_entries;
802 
803 	assert(propname != NULL && valstr != NULL && valp != NULL);
804 
805 	for (i = 0; prop_value_entry_table[i].prop_name != NULL; i++) {
806 		if (strcmp(prop_value_entry_table[i].prop_name, propname) != 0)
807 			continue;
808 
809 		value_entries = prop_value_entry_table[i].value_entries;
810 
811 		for (j = 0; value_entries[j].value_string != NULL; j++) {
812 			if (strcasecmp(value_entries[j].value_string, valstr)
813 			    == 0) {
814 				*valp = value_entries[j].value;
815 				return (NWAM_SUCCESS);
816 			}
817 		}
818 		return (NWAM_ENTITY_INVALID_VALUE);
819 	}
820 	return (NWAM_INVALID_ARG);
821 }
822 
823 /* Conditional activation functions */
824 
825 nwam_error_t
826 nwam_condition_to_condition_string(nwam_condition_object_type_t object_type,
827     nwam_condition_t condition, const char *object_name, char **stringp)
828 {
829 	char *object_type_string, *condition_string;
830 	char *string;
831 
832 	assert(stringp != NULL);
833 
834 	*stringp = NULL;
835 
836 	switch (object_type) {
837 	case NWAM_CONDITION_OBJECT_TYPE_NCP:
838 		object_type_string = NWAM_CONDITION_OBJECT_TYPE_NCP_STRING;
839 		break;
840 	case NWAM_CONDITION_OBJECT_TYPE_NCU:
841 		object_type_string = NWAM_CONDITION_OBJECT_TYPE_NCU_STRING;
842 		break;
843 	case NWAM_CONDITION_OBJECT_TYPE_ENM:
844 		object_type_string = NWAM_CONDITION_OBJECT_TYPE_ENM_STRING;
845 		break;
846 	case NWAM_CONDITION_OBJECT_TYPE_LOC:
847 		object_type_string = NWAM_CONDITION_OBJECT_TYPE_LOC_STRING;
848 		break;
849 	case NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS:
850 		object_type_string =
851 		    NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS_STRING;
852 		break;
853 	case NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN:
854 		object_type_string =
855 		    NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN_STRING;
856 		break;
857 	case NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN:
858 		object_type_string =
859 		    NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN_STRING;
860 		break;
861 	case NWAM_CONDITION_OBJECT_TYPE_ESSID:
862 		object_type_string = NWAM_CONDITION_OBJECT_TYPE_ESSID_STRING;
863 		break;
864 	case NWAM_CONDITION_OBJECT_TYPE_BSSID:
865 		object_type_string = NWAM_CONDITION_OBJECT_TYPE_BSSID_STRING;
866 		break;
867 	default:
868 		return (NWAM_INVALID_ARG);
869 
870 	}
871 	switch (condition) {
872 	case NWAM_CONDITION_IS:
873 		condition_string = NWAM_CONDITION_IS_STRING;
874 		break;
875 	case NWAM_CONDITION_IS_NOT:
876 		condition_string = NWAM_CONDITION_IS_NOT_STRING;
877 		break;
878 	case NWAM_CONDITION_CONTAINS:
879 		if (object_type != NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN &&
880 		    object_type != NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN &&
881 		    object_type != NWAM_CONDITION_OBJECT_TYPE_ESSID)
882 			return (NWAM_INVALID_ARG);
883 		condition_string = NWAM_CONDITION_CONTAINS_STRING;
884 		break;
885 	case NWAM_CONDITION_DOES_NOT_CONTAIN:
886 		if (object_type != NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN &&
887 		    object_type != NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN &&
888 		    object_type != NWAM_CONDITION_OBJECT_TYPE_ESSID)
889 			return (NWAM_INVALID_ARG);
890 
891 		condition_string = NWAM_CONDITION_DOES_NOT_CONTAIN_STRING;
892 		break;
893 	case NWAM_CONDITION_IS_IN_RANGE:
894 		if (object_type != NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS)
895 			return (NWAM_INVALID_ARG);
896 		condition_string = NWAM_CONDITION_IS_IN_RANGE_STRING;
897 		break;
898 	case NWAM_CONDITION_IS_NOT_IN_RANGE:
899 		if (object_type != NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS)
900 			return (NWAM_INVALID_ARG);
901 		condition_string = NWAM_CONDITION_IS_NOT_IN_RANGE_STRING;
902 		break;
903 	default:
904 		return (NWAM_INVALID_ARG);
905 	}
906 	if ((string = malloc(NWAM_MAX_VALUE_LEN)) == NULL)
907 		return (NWAM_NO_MEMORY);
908 	switch (object_type) {
909 	case NWAM_CONDITION_OBJECT_TYPE_NCP:
910 	case NWAM_CONDITION_OBJECT_TYPE_NCU:
911 	case NWAM_CONDITION_OBJECT_TYPE_ENM:
912 	case NWAM_CONDITION_OBJECT_TYPE_LOC:
913 		(void) snprintf(string, NWAM_MAX_VALUE_LEN,
914 		    "%s %s %s active", object_type_string,
915 		    object_name, condition_string);
916 		*stringp = string;
917 		break;
918 
919 	case NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS:
920 	case NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN:
921 	case NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN:
922 	case NWAM_CONDITION_OBJECT_TYPE_ESSID:
923 	case NWAM_CONDITION_OBJECT_TYPE_BSSID:
924 		(void) snprintf(string, NWAM_MAX_VALUE_LEN,
925 		    "%s %s %s", object_type_string,
926 		    condition_string, object_name);
927 		*stringp = string;
928 		break;
929 
930 	default:
931 		free(string);
932 		return (NWAM_INVALID_ARG);
933 
934 	}
935 	return (NWAM_SUCCESS);
936 }
937 
938 nwam_error_t
939 nwam_condition_string_to_condition(const char *string,
940     nwam_condition_object_type_t *object_typep,
941     nwam_condition_t *conditionp, char **object_namep)
942 {
943 	char *copy, *lasts;
944 	char *object_type_string, *object_name;
945 	char *condition_string, *active_string;
946 
947 	assert(string != NULL && object_typep != NULL && conditionp != NULL &&
948 	    object_namep != NULL);
949 
950 	if ((copy = strdup(string)) == NULL)
951 		return (NWAM_NO_MEMORY);
952 
953 	if ((object_type_string = strtok_r(copy, " \t", &lasts)) == NULL) {
954 		free(copy);
955 		return (NWAM_INVALID_ARG);
956 	}
957 
958 	if (strcmp(object_type_string, NWAM_CONDITION_OBJECT_TYPE_NCP_STRING)
959 	    == 0)
960 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_NCP;
961 	else if (strcmp(object_type_string,
962 	    NWAM_CONDITION_OBJECT_TYPE_NCU_STRING) == 0)
963 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_NCU;
964 	else if (strcmp(object_type_string,
965 	    NWAM_CONDITION_OBJECT_TYPE_ENM_STRING) == 0)
966 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_ENM;
967 	else if (strcmp(object_type_string,
968 	    NWAM_CONDITION_OBJECT_TYPE_LOC_STRING) == 0)
969 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_LOC;
970 	else if (strcmp(object_type_string,
971 	    NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS_STRING) == 0)
972 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS;
973 	else if (strcmp(object_type_string,
974 	    NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN_STRING) == 0)
975 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN;
976 	else if (strcmp(object_type_string,
977 	    NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN_STRING) == 0)
978 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN;
979 	else if (strcmp(object_type_string,
980 	    NWAM_CONDITION_OBJECT_TYPE_ESSID_STRING) == 0)
981 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_ESSID;
982 	else if (strcmp(object_type_string,
983 	    NWAM_CONDITION_OBJECT_TYPE_BSSID_STRING) == 0)
984 		*object_typep = NWAM_CONDITION_OBJECT_TYPE_BSSID;
985 	else {
986 		free(copy);
987 		return (NWAM_INVALID_ARG);
988 	}
989 
990 	if (*object_typep == NWAM_CONDITION_OBJECT_TYPE_NCP ||
991 	    *object_typep == NWAM_CONDITION_OBJECT_TYPE_NCU ||
992 	    *object_typep == NWAM_CONDITION_OBJECT_TYPE_ENM ||
993 	    *object_typep == NWAM_CONDITION_OBJECT_TYPE_LOC) {
994 		if ((object_name = strtok_r(NULL, " \t", &lasts)) == NULL) {
995 			free(copy);
996 			return (NWAM_INVALID_ARG);
997 		}
998 		if ((*object_namep = strdup(object_name)) == NULL) {
999 			free(copy);
1000 			return (NWAM_NO_MEMORY);
1001 		}
1002 
1003 	}
1004 
1005 	if ((condition_string = strtok_r(NULL, " \t", &lasts)) == NULL) {
1006 		free(copy);
1007 		if (*object_namep != NULL)
1008 			free(*object_namep);
1009 		return (NWAM_INVALID_ARG);
1010 	}
1011 	if (strcmp(condition_string, NWAM_CONDITION_IS_STRING) == 0)
1012 		*conditionp = NWAM_CONDITION_IS;
1013 	else if (strcmp(condition_string, NWAM_CONDITION_IS_NOT_STRING) == 0)
1014 		*conditionp = NWAM_CONDITION_IS_NOT;
1015 	else if (strcmp(condition_string, NWAM_CONDITION_CONTAINS_STRING) == 0)
1016 		*conditionp = NWAM_CONDITION_CONTAINS;
1017 	else if (strcmp(condition_string,
1018 	    NWAM_CONDITION_DOES_NOT_CONTAIN_STRING) == 0)
1019 		*conditionp = NWAM_CONDITION_DOES_NOT_CONTAIN;
1020 	else if (strcmp(condition_string,
1021 	    NWAM_CONDITION_IS_IN_RANGE_STRING) == 0)
1022 		*conditionp = NWAM_CONDITION_IS_IN_RANGE;
1023 	else if (strcmp(condition_string,
1024 	    NWAM_CONDITION_IS_NOT_IN_RANGE_STRING) == 0)
1025 		*conditionp = NWAM_CONDITION_IS_NOT_IN_RANGE;
1026 	else {
1027 		free(copy);
1028 		if (*object_namep != NULL)
1029 			free(*object_namep);
1030 		return (NWAM_INVALID_ARG);
1031 	}
1032 
1033 	if (*object_typep == NWAM_CONDITION_OBJECT_TYPE_NCP ||
1034 	    *object_typep == NWAM_CONDITION_OBJECT_TYPE_NCU ||
1035 	    *object_typep == NWAM_CONDITION_OBJECT_TYPE_ENM ||
1036 	    *object_typep == NWAM_CONDITION_OBJECT_TYPE_LOC) {
1037 		if ((*conditionp != NWAM_CONDITION_IS &&
1038 		    *conditionp != NWAM_CONDITION_IS_NOT) ||
1039 		    (active_string = strtok_r(NULL, " \t", &lasts)) == NULL ||
1040 		    strcmp(active_string, NWAM_CONDITION_ACTIVE_STRING) != 0) {
1041 			free(copy);
1042 			free(*object_namep);
1043 			return (NWAM_INVALID_ARG);
1044 		}
1045 	} else {
1046 		switch (*conditionp) {
1047 		case NWAM_CONDITION_CONTAINS:
1048 		case NWAM_CONDITION_DOES_NOT_CONTAIN:
1049 			if (*object_typep !=
1050 			    NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN &&
1051 			    *object_typep !=
1052 			    NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN &&
1053 			    *object_typep != NWAM_CONDITION_OBJECT_TYPE_ESSID) {
1054 				free(copy);
1055 				free(*object_namep);
1056 				return (NWAM_INVALID_ARG);
1057 			}
1058 			break;
1059 		case NWAM_CONDITION_IS_IN_RANGE:
1060 		case NWAM_CONDITION_IS_NOT_IN_RANGE:
1061 			if (*object_typep !=
1062 			    NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS) {
1063 				free(copy);
1064 				free(*object_namep);
1065 				return (NWAM_INVALID_ARG);
1066 			}
1067 			break;
1068 		}
1069 
1070 		if ((object_name = strtok_r(NULL, " \t", &lasts)) == NULL) {
1071 			free(copy);
1072 			free(*object_namep);
1073 			return (NWAM_INVALID_ARG);
1074 		}
1075 		if ((*object_namep = strdup(object_name)) == NULL) {
1076 			free(copy);
1077 			free(*object_namep);
1078 			return (NWAM_NO_MEMORY);
1079 		}
1080 	}
1081 
1082 	free(copy);
1083 	return (NWAM_SUCCESS);
1084 }
1085 
1086 nwam_error_t
1087 nwam_condition_rate(nwam_condition_object_type_t object_type,
1088     nwam_condition_t condition, uint64_t *ratep)
1089 {
1090 	assert(ratep != NULL);
1091 
1092 	*ratep = 0;
1093 
1094 	switch (object_type) {
1095 	case NWAM_CONDITION_OBJECT_TYPE_NCP:
1096 	case NWAM_CONDITION_OBJECT_TYPE_NCU:
1097 	case NWAM_CONDITION_OBJECT_TYPE_ENM:
1098 	case NWAM_CONDITION_OBJECT_TYPE_LOC:
1099 		(*ratep)++;
1100 		/* FALLTHRU */
1101 	case NWAM_CONDITION_OBJECT_TYPE_SYS_DOMAIN:
1102 		(*ratep)++;
1103 		/* FALLTHRU */
1104 	case NWAM_CONDITION_OBJECT_TYPE_ADV_DOMAIN:
1105 		(*ratep)++;
1106 		/* FALLTHRU */
1107 	case NWAM_CONDITION_OBJECT_TYPE_IP_ADDRESS:
1108 		(*ratep)++;
1109 		/* FALLTHRU */
1110 	case NWAM_CONDITION_OBJECT_TYPE_BSSID:
1111 		(*ratep)++;
1112 		/* FALLTHRU */
1113 	case NWAM_CONDITION_OBJECT_TYPE_ESSID:
1114 		(*ratep)++;
1115 		break;
1116 	default:
1117 		return (NWAM_INVALID_ARG);
1118 	}
1119 
1120 	switch (condition) {
1121 	case NWAM_CONDITION_IS:
1122 		(*ratep)++;
1123 		/* FALLTHRU */
1124 	case NWAM_CONDITION_CONTAINS:
1125 	case NWAM_CONDITION_IS_IN_RANGE:
1126 		(*ratep)++;
1127 		/* FALLTHRU */
1128 	case NWAM_CONDITION_DOES_NOT_CONTAIN:
1129 	case NWAM_CONDITION_IS_NOT_IN_RANGE:
1130 		(*ratep)++;
1131 		/* FALLTHRU */
1132 	case NWAM_CONDITION_IS_NOT:
1133 		(*ratep)++;
1134 		break;
1135 	default:
1136 		return (NWAM_INVALID_ARG);
1137 	}
1138 	return (NWAM_SUCCESS);
1139 }
1140