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  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
23  *
24  * platform.c -- interfaces to the platform's configuration information
25  *
26  * this platform.c allows eft to run on Solaris systems.
27  */
28 
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <strings.h>
33 #include <ctype.h>
34 #include <dirent.h>
35 #include <libnvpair.h>
36 #include <dlfcn.h>
37 #include <unistd.h>
38 #include <errno.h>
39 #include <stropts.h>
40 #include <sys/types.h>
41 #include <sys/stat.h>
42 #include <sys/wait.h>
43 #include <sys/filio.h>
44 #include <sys/param.h>
45 #include <sys/fm/protocol.h>
46 #include <fm/fmd_api.h>
47 #include <fm/fmd_fmri.h>
48 #include <fm/libtopo.h>
49 #include <fm/topo_hc.h>
50 #include "alloc.h"
51 #include "out.h"
52 #include "tree.h"
53 #include "itree.h"
54 #include "ipath.h"
55 #include "ptree.h"
56 #include "fme.h"
57 #include "stable.h"
58 #include "eval.h"
59 #include "config.h"
60 #include "platform.h"
61 
62 extern fmd_hdl_t *Hdl;		/* handle from eft.c */
63 
64 /*
65  * Lastcfg points to the last configuration snapshot we made.
66  */
67 static struct cfgdata *Lastcfg;
68 static fmd_hdl_t *Lasthdl;
69 static fmd_case_t *Lastfmcase;
70 static const char *lastcomp;
71 static int in_getpath;
72 extern struct lut *Usednames;
73 int prune_raw_config = 0;
74 
75 static topo_hdl_t *Eft_topo_hdl;
76 
77 void *
topo_use_alloc(size_t bytes)78 topo_use_alloc(size_t bytes)
79 {
80 	void *p = alloc_malloc(bytes, NULL, 0);
81 
82 	bzero(p, bytes);
83 	return (p);
84 }
85 
86 void
topo_use_free(void * p)87 topo_use_free(void *p)
88 {
89 	alloc_free(p, NULL, 0);
90 }
91 
92 /*ARGSUSED*/
93 static void *
alloc_nv_alloc(nv_alloc_t * nva,size_t size)94 alloc_nv_alloc(nv_alloc_t *nva, size_t size)
95 {
96 	return (alloc_malloc(size, NULL, 0));
97 }
98 
99 /*ARGSUSED*/
100 static void
alloc_nv_free(nv_alloc_t * nva,void * p,size_t sz)101 alloc_nv_free(nv_alloc_t *nva, void *p, size_t sz)
102 {
103 	alloc_free(p, NULL, 0);
104 }
105 
106 const nv_alloc_ops_t Eft_nv_alloc_ops = {
107 	NULL,		/* nv_ao_init() */
108 	NULL,		/* nv_ao_fini() */
109 	alloc_nv_alloc,	/* nv_ao_alloc() */
110 	alloc_nv_free,	/* nv_ao_free() */
111 	NULL		/* nv_ao_reset() */
112 };
113 
114 nv_alloc_t Eft_nv_hdl;
115 
116 static char *Root;
117 static char *Mach;
118 static char *Plat;
119 static char tmpbuf[MAXPATHLEN];
120 static char numbuf[MAXPATHLEN];
121 
122 /*
123  * platform_globals -- set global variables based on sysinfo() calls
124  */
125 static void
platform_globals()126 platform_globals()
127 {
128 	Root = fmd_prop_get_string(Hdl, "fmd.rootdir");
129 	Mach = fmd_prop_get_string(Hdl, "fmd.machine");
130 	Plat = fmd_prop_get_string(Hdl, "fmd.platform");
131 }
132 
133 static void
platform_free_globals()134 platform_free_globals()
135 {
136 	fmd_prop_free_string(Hdl, Root);
137 	fmd_prop_free_string(Hdl, Mach);
138 	fmd_prop_free_string(Hdl, Plat);
139 }
140 
141 /*
142  * platform_init -- perform any platform-specific initialization
143  */
144 void
platform_init(void)145 platform_init(void)
146 {
147 	(void) nv_alloc_init(&Eft_nv_hdl, &Eft_nv_alloc_ops);
148 	Eft_topo_hdl = fmd_hdl_topo_hold(Hdl, TOPO_VERSION);
149 	platform_globals();
150 
151 	out(O_ALTFP, "platform_init() sucessful");
152 }
153 
154 void
platform_fini(void)155 platform_fini(void)
156 {
157 	if (Lastcfg != NULL) {
158 		config_free(Lastcfg);
159 		Lastcfg = NULL;
160 	}
161 	fmd_hdl_topo_rele(Hdl, Eft_topo_hdl);
162 	platform_free_globals();
163 	(void) nv_alloc_fini(&Eft_nv_hdl);
164 
165 	out(O_ALTFP, "platform_fini() sucessful");
166 }
167 
168 /*
169  * hc_fmri_nodeize -- convert hc-scheme FMRI to eft compatible format
170  *
171  * this is an internal platform.c helper routine
172  */
173 static struct node *
hc_fmri_nodeize(nvlist_t * hcfmri)174 hc_fmri_nodeize(nvlist_t *hcfmri)
175 {
176 	struct node *pathtree = NULL;
177 	struct node *tmpn;
178 	nvlist_t **hc_prs;
179 	uint_t hc_nprs;
180 	const char *sname;
181 	char *ename;
182 	char *eid;
183 	int e, r;
184 
185 	/*
186 	 * What to do with/about hc-root?  Would we have any clue what
187 	 * to do with it if it weren't /?  For now, we don't bother
188 	 * even looking it up.
189 	 */
190 
191 	/*
192 	 * Get the hc-list of elements in the FMRI
193 	 */
194 	if (nvlist_lookup_nvlist_array(hcfmri, FM_FMRI_HC_LIST,
195 	    &hc_prs, &hc_nprs) != 0) {
196 		out(O_ALTFP, "XFILE: hc FMRI missing %s", FM_FMRI_HC_LIST);
197 		return (NULL);
198 	}
199 
200 	for (e = 0; e < hc_nprs; e++) {
201 		ename = NULL;
202 		eid = NULL;
203 		r = nvlist_lookup_string(hc_prs[e], FM_FMRI_HC_NAME, &ename);
204 		r |= nvlist_lookup_string(hc_prs[e], FM_FMRI_HC_ID, &eid);
205 		if (r != 0) {
206 			/* probably should bail */
207 			continue;
208 		}
209 		sname = stable(ename);
210 		tmpn = tree_name_iterator(
211 		    tree_name(sname, IT_VERTICAL, NULL, 0),
212 		    tree_num(eid, NULL, 0));
213 
214 		if (pathtree == NULL)
215 			pathtree = tmpn;
216 		else
217 			(void) tree_name_append(pathtree, tmpn);
218 	}
219 
220 	return (pathtree);
221 }
222 
223 /*
224  * platform_getpath -- extract eft-compatible path from ereport
225  */
226 struct node *
platform_getpath(nvlist_t * nvl)227 platform_getpath(nvlist_t *nvl)
228 {
229 	struct node	*ret;
230 	nvlist_t	*dfmri, *real_fmri, *resource;
231 	char		*scheme;
232 	char		*path;
233 	char		*devid;
234 	char		*tp;
235 	uint32_t	cpuid;
236 	int		err;
237 	enum {DT_HC, DT_DEVID, DT_TP, DT_DEV, DT_CPU, DT_UNKNOWN} type =
238 		DT_UNKNOWN;
239 
240 	/* Find the detector */
241 	if (nvlist_lookup_nvlist(nvl, FM_EREPORT_DETECTOR, &dfmri) != 0) {
242 		out(O_ALTFP, "XFILE: ereport has no detector FMRI");
243 		return (NULL);
244 	}
245 
246 	/* get the scheme from the detector */
247 	if (nvlist_lookup_string(dfmri, FM_FMRI_SCHEME, &scheme) != 0) {
248 		out(O_ALTFP, "XFILE: detector FMRI missing scheme");
249 		return (NULL);
250 	}
251 
252 	/* based on scheme, determine type */
253 	if (strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
254 		/* already in hc scheme */
255 		type = DT_HC;
256 	} else if (strcmp(scheme, FM_FMRI_SCHEME_DEV) == 0) {
257 		/*
258 		 * devid takes precedence over tp which takes precedence over
259 		 * path
260 		 */
261 		if (nvlist_lookup_string(dfmri,
262 		    FM_FMRI_DEV_ID, &devid) == 0)
263 			type = DT_DEVID;
264 		else if (nvlist_lookup_string(dfmri,
265 		    TOPO_STORAGE_TARGET_PORT_L0ID, &tp) == 0)
266 			type = DT_TP;
267 		else if (nvlist_lookup_string(dfmri,
268 		    FM_FMRI_DEV_PATH, &path) == 0)
269 			type = DT_DEV;
270 		else {
271 			out(O_ALTFP, "XFILE: detector FMRI missing %s or %s",
272 			    FM_FMRI_DEV_ID, FM_FMRI_DEV_PATH);
273 			return (NULL);
274 		}
275 	} else if (strcmp(scheme, FM_FMRI_SCHEME_CPU) == 0) {
276 		if (nvlist_lookup_uint32(dfmri, FM_FMRI_CPU_ID, &cpuid) == 0)
277 			type = DT_CPU;
278 		else {
279 			out(O_ALTFP, "XFILE: detector FMRI missing %s",
280 			    FM_FMRI_CPU_ID);
281 			return (NULL);
282 		}
283 	} else {
284 		out(O_ALTFP, "XFILE: detector FMRI not recognized "
285 		    "(scheme is %s, expect %s or %s or %s)",
286 		    scheme, FM_FMRI_SCHEME_HC, FM_FMRI_SCHEME_DEV,
287 		    FM_FMRI_SCHEME_CPU);
288 		return (NULL);
289 	}
290 
291 	out(O_ALTFP|O_VERB, "Received ereport in scheme %s", scheme);
292 
293 	/* take a config snapshot */
294 	lut_free(Usednames, NULL, NULL);
295 	Usednames = NULL;
296 	in_getpath = 1;
297 	if (config_snapshot() == NULL) {
298 		if (type == DT_HC) {
299 			/*
300 			 * If hc-scheme use the fmri that was passed in.
301 			 */
302 			in_getpath = 0;
303 			return (hc_fmri_nodeize(dfmri));
304 		}
305 		out(O_ALTFP, "XFILE: cannot snapshot configuration");
306 		in_getpath = 0;
307 		return (NULL);
308 	}
309 
310 	/*
311 	 * For hc scheme, if we can find the resource from the tolopogy, use
312 	 * that - otherwise use the fmri that was passed in. For other schemes
313 	 * look up the path, cpuid, tp or devid in the topology.
314 	 */
315 	switch (type) {
316 	case DT_HC:
317 		if (topo_fmri_getprop(Eft_topo_hdl, dfmri, TOPO_PGROUP_PROTOCOL,
318 		    TOPO_PROP_RESOURCE, NULL, &resource, &err) == -1) {
319 			ret = hc_fmri_nodeize(dfmri);
320 			break;
321 		} else if (nvlist_lookup_nvlist(resource,
322 		    TOPO_PROP_VAL_VAL, &real_fmri) != 0)
323 			ret = hc_fmri_nodeize(dfmri);
324 		else
325 			ret = hc_fmri_nodeize(real_fmri);
326 
327 		nvlist_free(resource);
328 		break;
329 
330 	case DT_DEV:
331 		if ((ret = config_bydev_lookup(Lastcfg, path)) == NULL)
332 			out(O_ALTFP, "platform_getpath: no configuration node "
333 			    "has device path matching \"%s\".", path);
334 
335 		break;
336 
337 	case DT_TP:
338 		if ((ret = config_bytp_lookup(Lastcfg, tp)) == NULL)
339 			out(O_ALTFP, "platform_getpath: no configuration node "
340 			    "has tp matching \"%s\".", tp);
341 		break;
342 
343 	case DT_DEVID:
344 		if ((ret = config_bydevid_lookup(Lastcfg, devid)) == NULL)
345 			out(O_ALTFP, "platform_getpath: no configuration node "
346 			    "has devid matching \"%s\".", devid);
347 		break;
348 
349 	case DT_CPU:
350 		if ((ret = config_bycpuid_lookup(Lastcfg, cpuid)) == NULL)
351 			out(O_ALTFP, "platform_getpath: no configuration node "
352 			    "has cpu-id matching %u.", cpuid);
353 		break;
354 	}
355 
356 	/* free the snapshot */
357 	structconfig_free(Lastcfg->cooked);
358 	config_free(Lastcfg);
359 	in_getpath = 0;
360 	return (ret);
361 }
362 
363 /* Allocate space for raw config strings in chunks of this size */
364 #define	STRSBUFLEN	512
365 
366 /*
367  * cfgadjust -- Make sure the amount we want to add to the raw config string
368  *		buffer will fit, and if not, increase the size of the buffer.
369  */
370 static void
cfgadjust(struct cfgdata * rawdata,int addlen)371 cfgadjust(struct cfgdata *rawdata, int addlen)
372 {
373 	int curnext, newlen;
374 
375 	if (rawdata->nextfree + addlen >= rawdata->end) {
376 		newlen = (((rawdata->nextfree - rawdata->begin + 1 + addlen)
377 		    / STRSBUFLEN) + 1) * STRSBUFLEN;
378 		curnext = rawdata->nextfree - rawdata->begin;
379 		rawdata->begin = REALLOC(rawdata->begin, newlen);
380 		rawdata->nextfree = rawdata->begin + curnext;
381 		rawdata->end = rawdata->begin + newlen;
382 	}
383 }
384 
385 static char *
hc_path(tnode_t * node)386 hc_path(tnode_t *node)
387 {
388 	int i, err;
389 	char *name, *instance, *estr;
390 	nvlist_t *fmri, **hcl;
391 	ulong_t ul;
392 	uint_t nhc;
393 
394 	if (topo_prop_get_fmri(node, TOPO_PGROUP_PROTOCOL, TOPO_PROP_RESOURCE,
395 	    &fmri, &err) < 0)
396 		return (NULL);
397 
398 	if (nvlist_lookup_nvlist_array(fmri, FM_FMRI_HC_LIST, &hcl, &nhc)
399 	    != 0) {
400 		nvlist_free(fmri);
401 		return (NULL);
402 	}
403 
404 	tmpbuf[0] = '\0';
405 	for (i = 0; i < nhc; ++i) {
406 		err = nvlist_lookup_string(hcl[i], FM_FMRI_HC_NAME, &name);
407 		err |= nvlist_lookup_string(hcl[i], FM_FMRI_HC_ID, &instance);
408 		if (err) {
409 			nvlist_free(fmri);
410 			return (NULL);
411 		}
412 
413 		ul = strtoul(instance, &estr, 10);
414 		/* conversion to number failed? */
415 		if (estr == instance) {
416 			nvlist_free(fmri);
417 			return (NULL);
418 		}
419 
420 		(void) strlcat(tmpbuf, "/", MAXPATHLEN);
421 		(void) strlcat(tmpbuf, name, MAXPATHLEN);
422 		(void) snprintf(numbuf, MAXPATHLEN, "%lu", ul);
423 		(void) strlcat(tmpbuf, numbuf, MAXPATHLEN);
424 		lastcomp = stable(name);
425 	}
426 
427 	nvlist_free(fmri);
428 
429 	return (tmpbuf);
430 }
431 
432 static void
add_prop_val(topo_hdl_t * thp,struct cfgdata * rawdata,char * propn,nvpair_t * pv_nvp)433 add_prop_val(topo_hdl_t *thp, struct cfgdata *rawdata, char *propn,
434     nvpair_t *pv_nvp)
435 {
436 	int addlen, err;
437 	char *propv, *fmristr = NULL;
438 	nvlist_t *fmri;
439 	uint32_t ui32;
440 	int64_t i64;
441 	int32_t i32;
442 	boolean_t bool;
443 	uint64_t ui64;
444 	char buf[32];	/* big enough for any 64-bit int */
445 	uint_t nelem;
446 	int i, j, sz;
447 	char **propvv;
448 
449 	/*
450 	 * malformed prop nvpair
451 	 */
452 	if (propn == NULL)
453 		return;
454 
455 	switch (nvpair_type(pv_nvp)) {
456 	case DATA_TYPE_STRING_ARRAY:
457 		/*
458 		 * Convert string array into single space-separated string
459 		 */
460 		(void) nvpair_value_string_array(pv_nvp, &propvv, &nelem);
461 		for (sz = 0, i = 0; i < nelem; i++)
462 			sz += strlen(propvv[i]) + 1;
463 		propv = MALLOC(sz);
464 		for (j = 0, i = 0; i < nelem; j++, i++) {
465 			(void) strcpy(&propv[j], propvv[i]);
466 			j += strlen(propvv[i]);
467 			if (i < nelem - 1)
468 				propv[j] = ' ';
469 		}
470 		break;
471 
472 	case DATA_TYPE_STRING:
473 		(void) nvpair_value_string(pv_nvp, &propv);
474 		break;
475 
476 	case DATA_TYPE_NVLIST:
477 		/*
478 		 * At least try to collect the protocol
479 		 * properties
480 		 */
481 		(void) nvpair_value_nvlist(pv_nvp, &fmri);
482 		if (topo_fmri_nvl2str(thp, fmri, &fmristr, &err) < 0) {
483 			out(O_ALTFP, "cfgcollect: failed to convert fmri to "
484 			    "string");
485 			return;
486 		} else {
487 			propv = fmristr;
488 		}
489 		break;
490 
491 	case DATA_TYPE_UINT64:
492 		/*
493 		 * Convert uint64 to hex strings
494 		 */
495 		(void) nvpair_value_uint64(pv_nvp, &ui64);
496 		(void) snprintf(buf, sizeof (buf), "0x%llx", ui64);
497 		propv = buf;
498 		break;
499 
500 	case DATA_TYPE_BOOLEAN_VALUE:
501 		/*
502 		 * Convert boolean_t to hex strings
503 		 */
504 		(void) nvpair_value_boolean_value(pv_nvp, &bool);
505 		(void) snprintf(buf, sizeof (buf), "0x%llx", (uint64_t)bool);
506 		propv = buf;
507 		break;
508 
509 	case DATA_TYPE_INT32:
510 		/*
511 		 * Convert int32 to hex strings
512 		 */
513 		(void) nvpair_value_int32(pv_nvp, &i32);
514 		(void) snprintf(buf, sizeof (buf), "0x%llx",
515 		    (uint64_t)(int64_t)i32);
516 		propv = buf;
517 		break;
518 
519 	case DATA_TYPE_INT64:
520 		/*
521 		 * Convert int64 to hex strings
522 		 */
523 		(void) nvpair_value_int64(pv_nvp, &i64);
524 		(void) snprintf(buf, sizeof (buf), "0x%llx", (uint64_t)i64);
525 		propv = buf;
526 		break;
527 
528 	case DATA_TYPE_UINT32:
529 		/*
530 		 * Convert uint32 to hex strings
531 		 */
532 		(void) nvpair_value_uint32(pv_nvp, &ui32);
533 		(void) snprintf(buf, sizeof (buf), "0x%llx", (uint64_t)ui32);
534 		propv = buf;
535 		break;
536 
537 	default:
538 		out(O_ALTFP, "cfgcollect: failed to get property value for "
539 		    "%s", propn);
540 		return;
541 	}
542 
543 	/* = & NULL */
544 	addlen = strlen(propn) + strlen(propv) + 2;
545 	cfgadjust(rawdata, addlen);
546 	(void) snprintf(rawdata->nextfree,
547 	    rawdata->end - rawdata->nextfree, "%s=%s",
548 	    propn, propv);
549 	if (strcmp(propn, TOPO_PROP_RESOURCE) == 0)
550 		out(O_ALTFP|O_VERB3, "cfgcollect: %s", propv);
551 
552 	if (nvpair_type(pv_nvp) == DATA_TYPE_STRING_ARRAY)
553 		FREE(propv);
554 
555 	rawdata->nextfree += addlen;
556 
557 	if (fmristr != NULL)
558 		topo_hdl_strfree(thp, fmristr);
559 }
560 
561 /*
562  * cfgcollect -- Assemble raw configuration data in string form suitable
563  *		 for checkpointing.
564  */
565 static int
cfgcollect(topo_hdl_t * thp,tnode_t * node,void * arg)566 cfgcollect(topo_hdl_t *thp, tnode_t *node, void *arg)
567 {
568 	struct cfgdata *rawdata = (struct cfgdata *)arg;
569 	int err, addlen;
570 	char *propn, *path = NULL;
571 	nvlist_t *p_nv, *pg_nv, *pv_nv;
572 	nvpair_t *nvp, *pg_nvp, *pv_nvp;
573 
574 	if (topo_node_flags(node) == TOPO_NODE_FACILITY)
575 		return (TOPO_WALK_NEXT);
576 
577 	path = hc_path(node);
578 	if (path == NULL)
579 		return (TOPO_WALK_ERR);
580 
581 	addlen = strlen(path) + 1;
582 
583 	cfgadjust(rawdata, addlen);
584 	(void) strcpy(rawdata->nextfree, path);
585 	rawdata->nextfree += addlen;
586 
587 	/*
588 	 * If the prune_raw_config flag is set then we will only include in the
589 	 * raw config those nodes that are used by the rules remaining after
590 	 * prune_propagations() has been run - ie only those that could possibly
591 	 * be relevant to the incoming ereport given the current rules. This
592 	 * means that any other parts of the config will not get saved to the
593 	 * checkpoint file (even if they may theoretically be used if the
594 	 * rules are subsequently modified).
595 	 *
596 	 * For now prune_raw_config is 0 for Solaris, though it is expected to
597 	 * be set to 1 for fmsp.
598 	 *
599 	 * Note we only prune the raw config like this if we have been called
600 	 * from newfme(), not if we have been called when handling dev or cpu
601 	 * scheme ereports from platform_getpath(), as this is called before
602 	 * prune_propagations() - again this is not an issue on fmsp as the
603 	 * ereports are all in hc scheme.
604 	 */
605 	if (!in_getpath && prune_raw_config &&
606 	    lut_lookup(Usednames, (void *)lastcomp, NULL) == NULL)
607 		return (TOPO_WALK_NEXT);
608 
609 	/*
610 	 * Collect properties
611 	 *
612 	 * eversholt should support alternate property types
613 	 * Better yet, topo properties could be represented as
614 	 * a packed nvlist
615 	 */
616 	p_nv = topo_prop_getprops(node, &err);
617 	for (nvp = nvlist_next_nvpair(p_nv, NULL); nvp != NULL;
618 	    nvp = nvlist_next_nvpair(p_nv, nvp)) {
619 		if (strcmp(TOPO_PROP_GROUP, nvpair_name(nvp)) != 0 ||
620 		    nvpair_type(nvp) != DATA_TYPE_NVLIST)
621 			continue;
622 
623 		(void) nvpair_value_nvlist(nvp, &pg_nv);
624 
625 		for (pg_nvp = nvlist_next_nvpair(pg_nv, NULL); pg_nvp != NULL;
626 		    pg_nvp = nvlist_next_nvpair(pg_nv, pg_nvp)) {
627 
628 			if (strcmp(TOPO_PROP_VAL, nvpair_name(pg_nvp)) != 0 ||
629 			    nvpair_type(pg_nvp) != DATA_TYPE_NVLIST)
630 				continue;
631 
632 			(void) nvpair_value_nvlist(pg_nvp, &pv_nv);
633 
634 			propn = NULL;
635 			for (pv_nvp = nvlist_next_nvpair(pv_nv, NULL);
636 			    pv_nvp != NULL;
637 			    pv_nvp = nvlist_next_nvpair(pv_nv, pv_nvp)) {
638 
639 				/* Get property name */
640 				if (strcmp(TOPO_PROP_VAL_NAME,
641 				    nvpair_name(pv_nvp)) == 0)
642 					(void) nvpair_value_string(pv_nvp,
643 					    &propn);
644 
645 				/*
646 				 * Get property value
647 				 */
648 				if (strcmp(TOPO_PROP_VAL_VAL,
649 				    nvpair_name(pv_nvp)) == 0)
650 					add_prop_val(thp, rawdata, propn,
651 					    pv_nvp);
652 			}
653 
654 		}
655 	}
656 
657 	nvlist_free(p_nv);
658 
659 	return (TOPO_WALK_NEXT);
660 }
661 
662 void
platform_restore_config(fmd_hdl_t * hdl,fmd_case_t * fmcase)663 platform_restore_config(fmd_hdl_t *hdl, fmd_case_t *fmcase)
664 {
665 	if (hdl == Lasthdl && fmcase == Lastfmcase) {
666 		size_t cfglen;
667 
668 		fmd_buf_read(Lasthdl, Lastfmcase, WOBUF_CFGLEN, (void *)&cfglen,
669 		    sizeof (size_t));
670 		Lastcfg->begin = MALLOC(cfglen);
671 		Lastcfg->end = Lastcfg->nextfree = Lastcfg->begin + cfglen;
672 		fmd_buf_read(Lasthdl, Lastfmcase, WOBUF_CFG, Lastcfg->begin,
673 		    cfglen);
674 		Lasthdl = NULL;
675 		Lastfmcase = NULL;
676 	}
677 }
678 
679 void
platform_save_config(fmd_hdl_t * hdl,fmd_case_t * fmcase)680 platform_save_config(fmd_hdl_t *hdl, fmd_case_t *fmcase)
681 {
682 	size_t cfglen;
683 
684 	/*
685 	 * Put the raw config into an fmd_buf. Then we can free it to
686 	 * save space.
687 	 */
688 	Lastfmcase = fmcase;
689 	Lasthdl = hdl;
690 	cfglen = Lastcfg->nextfree - Lastcfg->begin;
691 	fmd_buf_create(hdl, fmcase, WOBUF_CFGLEN, sizeof (cfglen));
692 	fmd_buf_write(hdl, fmcase, WOBUF_CFGLEN, (void *)&cfglen,
693 	    sizeof (cfglen));
694 	if (cfglen != 0) {
695 		fmd_buf_create(hdl, fmcase, WOBUF_CFG, cfglen);
696 		fmd_buf_write(hdl, fmcase, WOBUF_CFG, Lastcfg->begin, cfglen);
697 	}
698 	FREE(Lastcfg->begin);
699 	Lastcfg->begin = NULL;
700 	Lastcfg->end = NULL;
701 	Lastcfg->nextfree = NULL;
702 }
703 
704 /*
705  * platform_config_snapshot -- gather a snapshot of the current configuration
706  */
707 struct cfgdata *
platform_config_snapshot(void)708 platform_config_snapshot(void)
709 {
710 	int err;
711 	topo_walk_t *twp;
712 	static uint64_t lastgen;
713 	uint64_t curgen;
714 
715 	/*
716 	 * If the DR generation number has changed,
717 	 * we need to grab a new snapshot, otherwise we
718 	 * can simply point them at the last config.
719 	 */
720 	if (prune_raw_config == 0 && (curgen = fmd_fmri_get_drgen()) <=
721 	    lastgen && Lastcfg != NULL) {
722 		Lastcfg->raw_refcnt++;
723 		/*
724 		 * if config has been backed away to an fmd_buf, restore it
725 		 */
726 		if (Lastcfg->begin == NULL)
727 			platform_restore_config(Lasthdl, Lastfmcase);
728 		return (Lastcfg);
729 	}
730 
731 	lastgen = curgen;
732 	/* we're getting a new config, so clean up the last one */
733 	if (Lastcfg != NULL) {
734 		config_free(Lastcfg);
735 	}
736 
737 	Lastcfg = MALLOC(sizeof (struct cfgdata));
738 	Lastcfg->raw_refcnt = 2;	/* caller + Lastcfg */
739 	Lastcfg->begin = Lastcfg->nextfree = Lastcfg->end = NULL;
740 	Lastcfg->cooked = NULL;
741 	Lastcfg->devcache = NULL;
742 	Lastcfg->devidcache = NULL;
743 	Lastcfg->tpcache = NULL;
744 	Lastcfg->cpucache = NULL;
745 
746 
747 	fmd_hdl_topo_rele(Hdl, Eft_topo_hdl);
748 	Eft_topo_hdl = fmd_hdl_topo_hold(Hdl, TOPO_VERSION);
749 
750 	if ((twp = topo_walk_init(Eft_topo_hdl, FM_FMRI_SCHEME_HC, cfgcollect,
751 	    Lastcfg, &err)) == NULL) {
752 		out(O_DIE, "platform_config_snapshot: NULL topology tree: %s",
753 		    topo_strerror(err));
754 	}
755 
756 	if (topo_walk_step(twp, TOPO_WALK_CHILD) == TOPO_WALK_ERR) {
757 		topo_walk_fini(twp);
758 		out(O_DIE, "platform_config_snapshot: error walking topology "
759 		    "tree");
760 	}
761 
762 	topo_walk_fini(twp);
763 	out(O_ALTFP|O_STAMP, "raw config complete");
764 
765 
766 	return (Lastcfg);
767 }
768 
769 static const char *
cfgstrprop_lookup(struct config * croot,char * path,const char * pname)770 cfgstrprop_lookup(struct config *croot, char *path, const char *pname)
771 {
772 	struct config *cresource;
773 	const char *fmristr;
774 
775 	/*
776 	 * The first order of business is to find the resource in the
777 	 * config database so we can examine properties associated with
778 	 * that node.
779 	 */
780 	if ((cresource = config_lookup(croot, path, 0)) == NULL) {
781 		out(O_ALTFP, "Cannot find config info for %s.", path);
782 		return (NULL);
783 	}
784 	if ((fmristr = config_getprop(cresource, pname)) == NULL) {
785 		out(O_ALTFP, "Cannot find %s property for %s resource "
786 		    "re-write", pname, path);
787 		return (NULL);
788 	}
789 	return (fmristr);
790 }
791 
792 /*
793  * Get FMRI for a particular unit from libtopo. The unit is specified by the
794  * "path" argument (a stringified ipath). "prop" argument should be one
795  * of the constants TOPO_PROP_RESOURCE, TOPO_PROP_ASRU, TOPO_PROP_FRU, etc.
796  */
797 /*ARGSUSED*/
798 void
platform_unit_translate(int isdefect,struct config * croot,const char * prop,nvlist_t ** fmrip,char * path)799 platform_unit_translate(int isdefect, struct config *croot, const char *prop,
800     nvlist_t **fmrip, char *path)
801 {
802 	const char *fmristr;
803 	char *serial;
804 	nvlist_t *fmri;
805 	int err;
806 
807 	fmristr = cfgstrprop_lookup(croot, path, prop);
808 	if (fmristr == NULL) {
809 		out(O_ALTFP, "Cannot rewrite unit FMRI for %s.", path);
810 		return;
811 	}
812 	if (topo_fmri_str2nvl(Eft_topo_hdl, fmristr, &fmri, &err) < 0) {
813 		out(O_ALTFP, "Can not convert config info: %s",
814 		    topo_strerror(err));
815 		out(O_ALTFP, "Cannot rewrite unit FMRI for %s.", path);
816 		return;
817 	}
818 
819 	/*
820 	 * If we don't have a serial number in the unit then check if it
821 	 * is available as a separate property and if so then add it.
822 	 */
823 	if (nvlist_lookup_string(fmri, FM_FMRI_HC_SERIAL_ID, &serial) != 0) {
824 		serial = (char *)cfgstrprop_lookup(croot, path,
825 		    FM_FMRI_HC_SERIAL_ID);
826 		if (serial != NULL)
827 			(void) nvlist_add_string(fmri, FM_FMRI_HC_SERIAL_ID,
828 			    serial);
829 	}
830 
831 	*fmrip = fmri;
832 }
833 
834 /*
835  * platform_get_files -- return names of all files we should load
836  *
837  * search directories in dirname[] for all files with names ending with the
838  * substring fnstr.  dirname[] should be a NULL-terminated array.  fnstr
839  * may be set to "*" to indicate all files in a directory.
840  *
841  * if nodups is non-zero, then the first file of a given name found is
842  * the only file added to the list of names.  for example if nodups is
843  * set and we're looking for .efts, and find a pci.eft in the dirname[0],
844  * then no pci.eft found in any of the other dirname[] entries will be
845  * included in the final list of names.
846  *
847  * this routine doesn't return NULL, even if no files are found (in that
848  * case, a char ** is returned with the first element NULL).
849  */
850 static char **
platform_get_files(const char * dirname[],const char * fnstr,int nodups)851 platform_get_files(const char *dirname[], const char *fnstr, int nodups)
852 {
853 	DIR *dirp;
854 	struct dirent *dp;
855 	struct lut *foundnames = NULL;
856 	char **files = NULL;	/* char * array of filenames found */
857 	int nfiles = 0;		/* files found so far */
858 	int slots = 0;		/* char * slots allocated in files */
859 	size_t fnlen, d_namelen;
860 	size_t totlen;
861 	int i;
862 	static char *nullav;
863 
864 	ASSERT(fnstr != NULL);
865 	fnlen = strlen(fnstr);
866 
867 	for (i = 0; dirname[i] != NULL; i++) {
868 		out(O_VERB, "Looking for %s files in %s", fnstr, dirname[i]);
869 		if ((dirp = opendir(dirname[i])) == NULL) {
870 			out(O_DEBUG|O_SYS,
871 			    "platform_get_files: opendir failed for %s",
872 			    dirname[i]);
873 			continue;
874 		}
875 		while ((dp = readdir(dirp)) != NULL) {
876 			if ((fnlen == 1 && *fnstr == '*') ||
877 			    ((d_namelen = strlen(dp->d_name)) >= fnlen &&
878 			    strncmp(dp->d_name + d_namelen - fnlen,
879 			    fnstr, fnlen) == 0)) {
880 
881 				if (nodups != 0) {
882 					const char *snm = stable(dp->d_name);
883 
884 					if (lut_lookup(foundnames,
885 					    (void *)snm,
886 					    NULL) != NULL) {
887 						out(O_VERB,
888 						    "platform_get_files: "
889 						    "skipping repeated name "
890 						    "%s/%s",
891 						    dirname[i],
892 						    snm);
893 						continue;
894 					}
895 					foundnames = lut_add(foundnames,
896 					    (void *)snm,
897 					    (void *)snm,
898 					    NULL);
899 				}
900 
901 				if (nfiles > slots - 2) {
902 					/* allocate ten more slots */
903 					slots += 10;
904 					files = (char **)REALLOC(files,
905 					    slots * sizeof (char *));
906 				}
907 				/* prepend directory name and / */
908 				totlen = strlen(dirname[i]) + 1;
909 				totlen += strlen(dp->d_name) + 1;
910 				files[nfiles] = MALLOC(totlen);
911 				out(O_VERB, "File %d: \"%s/%s\"", nfiles,
912 				    dirname[i], dp->d_name);
913 				(void) snprintf(files[nfiles++], totlen,
914 				    "%s/%s", dirname[i], dp->d_name);
915 			}
916 		}
917 		(void) closedir(dirp);
918 	}
919 
920 	if (foundnames != NULL)
921 		lut_free(foundnames, NULL, NULL);
922 
923 	if (nfiles == 0)
924 		return (&nullav);
925 
926 	files[nfiles] = NULL;
927 	return (files);
928 }
929 
930 /*
931  * search for files in a standard set of directories
932  */
933 static char **
platform_get_files_stddirs(char * fname,int nodups)934 platform_get_files_stddirs(char *fname, int nodups)
935 {
936 	const char *dirlist[4];
937 	char **flist;
938 	char *eftgendir, *eftmachdir, *eftplatdir;
939 
940 	eftgendir = MALLOC(MAXPATHLEN);
941 	eftmachdir = MALLOC(MAXPATHLEN);
942 	eftplatdir = MALLOC(MAXPATHLEN);
943 
944 	/* Generic files that apply to any machine */
945 	(void) snprintf(eftgendir, MAXPATHLEN, "%s/usr/lib/fm/eft", Root);
946 
947 	(void) snprintf(eftmachdir,
948 	    MAXPATHLEN, "%s/usr/platform/%s/lib/fm/eft", Root, Mach);
949 
950 	(void) snprintf(eftplatdir,
951 	    MAXPATHLEN, "%s/usr/platform/%s/lib/fm/eft", Root, Plat);
952 
953 	dirlist[0] = eftplatdir;
954 	dirlist[1] = eftmachdir;
955 	dirlist[2] = eftgendir;
956 	dirlist[3] = NULL;
957 
958 	flist = platform_get_files(dirlist, fname, nodups);
959 
960 	FREE(eftplatdir);
961 	FREE(eftmachdir);
962 	FREE(eftgendir);
963 
964 	return (flist);
965 }
966 
967 /*
968  * platform_run_poller -- execute a poller
969  *
970  * when eft needs to know if a polled ereport exists this routine
971  * is called so the poller code may be run in a platform-specific way.
972  * there's no return value from this routine -- either the polled ereport
973  * is generated (and delivered *before* this routine returns) or not.
974  * any errors, like "poller unknown" are considered platform-specific
975  * should be handled here rather than passing an error back up.
976  */
977 /*ARGSUSED*/
978 void
platform_run_poller(const char * poller)979 platform_run_poller(const char *poller)
980 {
981 }
982 
983 /*
984  * fork and execve path with argument array argv and environment array
985  * envp.  data from stdout and stderr are placed in outbuf and errbuf,
986  * respectively.
987  *
988  * see execve(2) for more descriptions for path, argv and envp.
989  */
990 static int
forkandexecve(const char * path,char * const argv[],char * const envp[],char * outbuf,size_t outbuflen,char * errbuf,size_t errbuflen)991 forkandexecve(const char *path, char *const argv[], char *const envp[],
992 	char *outbuf, size_t outbuflen, char *errbuf, size_t errbuflen)
993 {
994 	pid_t pid;
995 	int outpipe[2], errpipe[2];
996 	int rt = 0;
997 
998 	/*
999 	 * run the cmd and see if it failed.  this function is *not* a
1000 	 * generic command runner -- we depend on some knowledge we
1001 	 * have about the commands we run.  first of all, we expect
1002 	 * errors to spew something to stdout, and that something is
1003 	 * typically short enough to fit into a pipe so we can wait()
1004 	 * for the command to complete and then fetch the error text
1005 	 * from the pipe.
1006 	 */
1007 	if (pipe(outpipe) < 0)
1008 		if (strlcat(errbuf, ": pipe(outpipe) failed",
1009 		    errbuflen) >= errbuflen)
1010 			return (1);
1011 	if (pipe(errpipe) < 0)
1012 		if (strlcat(errbuf, ": pipe(errpipe) failed",
1013 		    errbuflen) >= errbuflen)
1014 			return (1);
1015 
1016 	if ((pid = fork()) < 0) {
1017 		rt = (int)strlcat(errbuf, ": fork() failed", errbuflen);
1018 	} else if (pid) {
1019 		int wstat, count;
1020 
1021 		/* parent */
1022 		(void) close(errpipe[1]);
1023 		(void) close(outpipe[1]);
1024 
1025 		/* PHASE2 need to guard against hang in child? */
1026 		if (waitpid(pid, &wstat, 0) < 0)
1027 			if (strlcat(errbuf, ": waitpid() failed",
1028 			    errbuflen) >= errbuflen)
1029 				return (1);
1030 
1031 		/* check for stderr contents */
1032 		if (ioctl(errpipe[0], FIONREAD, &count) >= 0 && count) {
1033 			if (read(errpipe[0], errbuf, errbuflen) <= 0) {
1034 				/*
1035 				 * read failed even though ioctl indicated
1036 				 * that nonzero bytes were available for
1037 				 * reading
1038 				 */
1039 				if (strlcat(errbuf, ": read(errpipe) failed",
1040 				    errbuflen) >= errbuflen)
1041 					return (1);
1042 			}
1043 			/*
1044 			 * handle case where errbuf is not properly
1045 			 * terminated
1046 			 */
1047 			if (count > errbuflen - 1)
1048 				count = errbuflen - 1;
1049 			if (errbuf[count - 1] != '\0' &&
1050 			    errbuf[count - 1] != '\n')
1051 				errbuf[count] = '\0';
1052 		} else if (WIFSIGNALED(wstat))
1053 			if (strlcat(errbuf, ": signaled",
1054 			    errbuflen) >= errbuflen)
1055 				return (1);
1056 		else if (WIFEXITED(wstat) && WEXITSTATUS(wstat))
1057 			if (strlcat(errbuf, ": abnormal exit",
1058 			    errbuflen) >= errbuflen)
1059 				return (1);
1060 
1061 		/* check for stdout contents */
1062 		if (ioctl(outpipe[0], FIONREAD, &count) >= 0 && count) {
1063 			if (read(outpipe[0], outbuf, outbuflen) <= 0) {
1064 				/*
1065 				 * read failed even though ioctl indicated
1066 				 * that nonzero bytes were available for
1067 				 * reading
1068 				 */
1069 				if (strlcat(errbuf, ": read(outpipe) failed",
1070 				    errbuflen) >= errbuflen)
1071 					return (1);
1072 			}
1073 			/*
1074 			 * handle case where outbuf is not properly
1075 			 * terminated
1076 			 */
1077 			if (count > outbuflen - 1)
1078 				count = outbuflen - 1;
1079 			if (outbuf[count - 1] != '\0' &&
1080 			    outbuf[count - 1] != '\n')
1081 				outbuf[count] = '\0';
1082 		}
1083 
1084 		(void) close(errpipe[0]);
1085 		(void) close(outpipe[0]);
1086 	} else {
1087 		/* child */
1088 		(void) dup2(errpipe[1], fileno(stderr));
1089 		(void) close(errpipe[0]);
1090 		(void) dup2(outpipe[1], fileno(stdout));
1091 		(void) close(outpipe[0]);
1092 
1093 		if (execve(path, argv, envp))
1094 			perror(path);
1095 		_exit(1);
1096 	}
1097 
1098 	return (rt);
1099 }
1100 
1101 #define	MAXDIGITIDX	23
1102 
1103 static int
arglist2argv(struct node * np,struct lut ** globals,struct config * croot,struct arrow * arrowp,char *** argv,int * argc,int * argvlen)1104 arglist2argv(struct node *np, struct lut **globals, struct config *croot,
1105 	struct arrow *arrowp, char ***argv, int *argc, int *argvlen)
1106 {
1107 	struct node *namep;
1108 	char numbuf[MAXDIGITIDX + 1];
1109 	char *numstr, *nullbyte;
1110 	char *addthisarg = NULL;
1111 
1112 	if (np == NULL)
1113 		return (0);
1114 
1115 	switch (np->t) {
1116 	case T_QUOTE:
1117 		addthisarg = STRDUP(np->u.func.s);
1118 		break;
1119 	case T_LIST:
1120 		if (arglist2argv(np->u.expr.left, globals, croot, arrowp,
1121 		    argv, argc, argvlen))
1122 			return (1);
1123 		/*
1124 		 * only leftmost element of a list can provide the command
1125 		 * name (after which *argc becomes 1)
1126 		 */
1127 		ASSERT(*argc > 0);
1128 		if (arglist2argv(np->u.expr.right, globals, croot, arrowp,
1129 		    argv, argc, argvlen))
1130 			return (1);
1131 		break;
1132 	case T_FUNC:
1133 	case T_GLOBID:
1134 	case T_ASSIGN:
1135 	case T_CONDIF:
1136 	case T_CONDELSE:
1137 	case T_EQ:
1138 	case T_NE:
1139 	case T_LT:
1140 	case T_LE:
1141 	case T_GT:
1142 	case T_GE:
1143 	case T_BITAND:
1144 	case T_BITOR:
1145 	case T_BITXOR:
1146 	case T_BITNOT:
1147 	case T_LSHIFT:
1148 	case T_RSHIFT:
1149 	case T_AND:
1150 	case T_OR:
1151 	case T_NOT:
1152 	case T_ADD:
1153 	case T_SUB:
1154 	case T_MUL:
1155 	case T_DIV:
1156 	case T_MOD: {
1157 		struct evalue value;
1158 
1159 		if (!eval_expr(np, NULL, NULL, globals, croot, arrowp,
1160 		    0, &value))
1161 			return (1);
1162 
1163 		switch (value.t) {
1164 		case UINT64:
1165 			numbuf[MAXDIGITIDX] = '\0';
1166 			nullbyte = &numbuf[MAXDIGITIDX];
1167 			numstr = ulltostr(value.v, nullbyte);
1168 			addthisarg = STRDUP(numstr);
1169 			break;
1170 		case STRING:
1171 			addthisarg = STRDUP((const char *)(uintptr_t)value.v);
1172 			break;
1173 		case NODEPTR :
1174 			namep = (struct node *)(uintptr_t)value.v;
1175 			addthisarg = ipath2str(NULL, ipath(namep));
1176 			break;
1177 		default:
1178 			out(O_ERR,
1179 			    "call: arglist2argv: unexpected result from"
1180 			    " operation %s",
1181 			    ptree_nodetype2str(np->t));
1182 			return (1);
1183 		}
1184 		break;
1185 	}
1186 	case T_NUM:
1187 	case T_TIMEVAL:
1188 		numbuf[MAXDIGITIDX] = '\0';
1189 		nullbyte = &numbuf[MAXDIGITIDX];
1190 		numstr = ulltostr(np->u.ull, nullbyte);
1191 		addthisarg = STRDUP(numstr);
1192 		break;
1193 	case T_NAME:
1194 		addthisarg = ipath2str(NULL, ipath(np));
1195 		break;
1196 	case T_EVENT:
1197 		addthisarg = ipath2str(np->u.event.ename->u.name.s,
1198 		    ipath(np->u.event.epname));
1199 		break;
1200 	default:
1201 		out(O_ERR, "call: arglist2argv: node type %s is unsupported",
1202 		    ptree_nodetype2str(np->t));
1203 		return (1);
1204 		/*NOTREACHED*/
1205 		break;
1206 	}
1207 
1208 	if (*argc == 0 && addthisarg != NULL) {
1209 		/*
1210 		 * first argument added is the command name.
1211 		 */
1212 		char **files;
1213 
1214 		files = platform_get_files_stddirs(addthisarg, 0);
1215 
1216 		/* do not proceed if number of files found != 1 */
1217 		if (files[0] == NULL)
1218 			out(O_DIE, "call: function %s not found", addthisarg);
1219 		if (files[1] != NULL)
1220 			out(O_DIE, "call: multiple functions %s found",
1221 			    addthisarg);
1222 		FREE(addthisarg);
1223 
1224 		addthisarg = STRDUP(files[0]);
1225 		FREE(files[0]);
1226 		FREE(files);
1227 	}
1228 
1229 	if (addthisarg != NULL) {
1230 		if (*argc >= *argvlen - 2) {
1231 			/*
1232 			 * make sure argv is long enough so it has a
1233 			 * terminating element set to NULL
1234 			 */
1235 			*argvlen += 10;
1236 			*argv = (char **)REALLOC(*argv,
1237 			    sizeof (char *) * *argvlen);
1238 		}
1239 		(*argv)[*argc] = addthisarg;
1240 		(*argc)++;
1241 		(*argv)[*argc] = NULL;
1242 	}
1243 
1244 	return (0);
1245 }
1246 
1247 static int
generate_envp(struct arrow * arrowp,char *** envp,int * envc,int * envplen)1248 generate_envp(struct arrow *arrowp, char ***envp, int *envc, int *envplen)
1249 {
1250 	char *envnames[] = { "EFT_FROM_EVENT", "EFT_TO_EVENT",
1251 			    "EFT_FILE", "EFT_LINE", NULL };
1252 	char *envvalues[4];
1253 	char *none = "(none)";
1254 	size_t elen;
1255 	int i;
1256 
1257 	*envc = 4;
1258 
1259 	/*
1260 	 * make sure envp is long enough so it has a terminating element
1261 	 * set to NULL
1262 	 */
1263 	*envplen = *envc + 1;
1264 	*envp = (char **)MALLOC(sizeof (char *) * *envplen);
1265 
1266 	envvalues[0] = ipath2str(
1267 	    arrowp->tail->myevent->enode->u.event.ename->u.name.s,
1268 	    arrowp->tail->myevent->ipp);
1269 	envvalues[1] = ipath2str(
1270 	    arrowp->head->myevent->enode->u.event.ename->u.name.s,
1271 	    arrowp->head->myevent->ipp);
1272 
1273 	if (arrowp->head->myevent->enode->file == NULL) {
1274 		envvalues[2] = STRDUP(none);
1275 		envvalues[3] = STRDUP(none);
1276 	} else {
1277 		envvalues[2] = STRDUP(arrowp->head->myevent->enode->file);
1278 
1279 		/* large enough for max int */
1280 		envvalues[3] = MALLOC(sizeof (char) * 25);
1281 		(void) snprintf(envvalues[3], sizeof (envvalues[3]), "%d",
1282 		    arrowp->head->myevent->enode->line);
1283 	}
1284 
1285 	for (i = 0; envnames[i] != NULL && i < *envc; i++) {
1286 		elen = strlen(envnames[i]) + strlen(envvalues[i]) + 2;
1287 		(*envp)[i] = MALLOC(elen);
1288 		(void) snprintf((*envp)[i], elen, "%s=%s",
1289 		    envnames[i], envvalues[i]);
1290 		FREE(envvalues[i]);
1291 	}
1292 	(*envp)[*envc] = NULL;
1293 
1294 	return (0);
1295 }
1296 
1297 /*
1298  * platform_call -- call an external function
1299  *
1300  * evaluate a user-defined function and place result in valuep.  return 0
1301  * if function evaluation was successful; 1 if otherwise.
1302  */
1303 int
platform_call(struct node * np,struct lut ** globals,struct config * croot,struct arrow * arrowp,struct evalue * valuep)1304 platform_call(struct node *np, struct lut **globals, struct config *croot,
1305 	struct arrow *arrowp, struct evalue *valuep)
1306 {
1307 	/*
1308 	 * use rather short buffers.  only the first string on outbuf[] is
1309 	 * taken as output from the called function.  any message in
1310 	 * errbuf[] is echoed out as an error message.
1311 	 */
1312 	char outbuf[256], errbuf[512];
1313 	struct stat buf;
1314 	char **argv, **envp;
1315 	int argc, argvlen, envc, envplen;
1316 	int i, ret;
1317 
1318 	/*
1319 	 * np is the argument list.  the user-defined function is the first
1320 	 * element of the list.
1321 	 */
1322 	ASSERT(np->t == T_LIST);
1323 
1324 	argv = NULL;
1325 	argc = 0;
1326 	argvlen = 0;
1327 	if (arglist2argv(np, globals, croot, arrowp, &argv, &argc, &argvlen) ||
1328 	    argc == 0)
1329 		return (1);
1330 
1331 	/*
1332 	 * make sure program has executable bit set
1333 	 */
1334 	if (stat(argv[0], &buf) == 0) {
1335 		int exec_bit_set = 0;
1336 
1337 		if (buf.st_uid == geteuid() && buf.st_mode & S_IXUSR)
1338 			exec_bit_set = 1;
1339 		else if (buf.st_gid == getegid() && buf.st_mode & S_IXGRP)
1340 			exec_bit_set = 1;
1341 		else if (buf.st_mode & S_IXOTH)
1342 			exec_bit_set = 1;
1343 
1344 		if (exec_bit_set == 0)
1345 			out(O_DIE, "call: executable bit not set on %s",
1346 			    argv[0]);
1347 	} else {
1348 		out(O_DIE, "call: failure in stat(), errno = %d\n", errno);
1349 	}
1350 
1351 	envp = NULL;
1352 	envc = 0;
1353 	envplen = 0;
1354 	if (generate_envp(arrowp, &envp, &envc, &envplen))
1355 		return (1);
1356 
1357 	outbuf[0] = '\0';
1358 	errbuf[0] = '\0';
1359 
1360 	ret = forkandexecve((const char *) argv[0], (char *const *) argv,
1361 	    (char *const *) envp, outbuf, sizeof (outbuf),
1362 	    errbuf, sizeof (errbuf));
1363 
1364 	for (i = 0; i < envc; i++)
1365 		FREE(envp[i]);
1366 	if (envp)
1367 		FREE(envp);
1368 
1369 	if (ret) {
1370 		outfl(O_OK, np->file, np->line,
1371 		    "call: failure in fork + exec of %s", argv[0]);
1372 	} else {
1373 		char *ptr;
1374 
1375 		/* chomp the result */
1376 		for (ptr = outbuf; *ptr; ptr++)
1377 			if (*ptr == '\n' || *ptr == '\r') {
1378 				*ptr = '\0';
1379 				break;
1380 			}
1381 		valuep->t = STRING;
1382 		valuep->v = (uintptr_t)stable(outbuf);
1383 	}
1384 
1385 	if (errbuf[0] != '\0') {
1386 		ret = 1;
1387 		outfl(O_OK, np->file, np->line,
1388 		    "call: unexpected stderr output from %s: %s",
1389 		    argv[0], errbuf);
1390 	}
1391 
1392 	for (i = 0; i < argc; i++)
1393 		FREE(argv[i]);
1394 	FREE(argv);
1395 
1396 	return (ret);
1397 }
1398 
1399 /*
1400  * platform_confcall -- call a configuration database function
1401  *
1402  * returns result in *valuep, return 0 on success
1403  */
1404 /*ARGSUSED*/
1405 int
platform_confcall(struct node * np,struct lut ** globals,struct config * croot,struct arrow * arrowp,struct evalue * valuep)1406 platform_confcall(struct node *np, struct lut **globals, struct config *croot,
1407 	struct arrow *arrowp, struct evalue *valuep)
1408 {
1409 	outfl(O_ALTFP|O_VERB, np->file, np->line, "unknown confcall");
1410 	return (0);
1411 }
1412 
1413 /*
1414  * platform_get_eft_files -- return names of all eft files we should load
1415  *
1416  * this routine doesn't return NULL, even if no files are found (in that
1417  * case, a char ** is returned with the first element NULL).
1418  */
1419 char **
platform_get_eft_files(void)1420 platform_get_eft_files(void)
1421 {
1422 	return (platform_get_files_stddirs(".eft", 1));
1423 }
1424 
1425 void
platform_free_eft_files(char ** flist)1426 platform_free_eft_files(char **flist)
1427 {
1428 	char **f;
1429 
1430 	if (flist == NULL || *flist == NULL)
1431 		return;	/* no files were found so we're done */
1432 
1433 	f = flist;
1434 	while (*f != NULL) {
1435 		FREE(*f);
1436 		f++;
1437 	}
1438 	FREE(flist);
1439 }
1440 
1441 static nvlist_t *payloadnvp = NULL;
1442 
1443 void
platform_set_payloadnvp(nvlist_t * nvlp)1444 platform_set_payloadnvp(nvlist_t *nvlp)
1445 {
1446 	/*
1447 	 * cannot replace a non-NULL payloadnvp with a non-NULL nvlp
1448 	 */
1449 	ASSERT(payloadnvp != NULL ? nvlp == NULL : 1);
1450 	payloadnvp = nvlp;
1451 }
1452 
1453 /*
1454  * given array notation in inputstr such as "foo[1]" or "foo [ 1 ]" (spaces
1455  * allowed), figure out the array name and index.  return 0 if successful,
1456  * nonzero if otherwise.
1457  */
1458 static int
get_array_info(const char * inputstr,const char ** name,unsigned int * index)1459 get_array_info(const char *inputstr, const char **name, unsigned int *index)
1460 {
1461 	char *indexptr, *indexend, *dupname, *endname;
1462 
1463 	if (strchr(inputstr, '[') == NULL)
1464 		return (1);
1465 
1466 	dupname = STRDUP(inputstr);
1467 	indexptr = strchr(dupname, '[');
1468 	indexend = strchr(dupname, ']');
1469 
1470 	/*
1471 	 * return if array notation is not complete or if index is negative
1472 	 */
1473 	if (indexend == NULL || indexptr >= indexend ||
1474 	    strchr(indexptr, '-') != NULL) {
1475 		FREE(dupname);
1476 		return (1);
1477 	}
1478 
1479 	/*
1480 	 * search past any spaces between the name string and '['
1481 	 */
1482 	endname = indexptr;
1483 	while (isspace(*(endname - 1)) && dupname < endname)
1484 		endname--;
1485 	*endname = '\0';
1486 	ASSERT(dupname < endname);
1487 
1488 	/*
1489 	 * search until indexptr points to the first digit and indexend
1490 	 * points to the last digit
1491 	 */
1492 	while (!isdigit(*indexptr) && indexptr < indexend)
1493 		indexptr++;
1494 	while (!isdigit(*indexend) && indexptr <= indexend)
1495 		indexend--;
1496 
1497 	*(indexend + 1) = '\0';
1498 	*index = (unsigned int)atoi(indexptr);
1499 
1500 	*name = stable(dupname);
1501 	FREE(dupname);
1502 
1503 	return (0);
1504 }
1505 
1506 /*
1507  * platform_payloadprop -- fetch a payload value
1508  *
1509  * XXX this function should be replaced and eval_func() should be
1510  * XXX changed to use the more general platform_payloadprop_values().
1511  */
1512 int
platform_payloadprop(struct node * np,struct evalue * valuep)1513 platform_payloadprop(struct node *np, struct evalue *valuep)
1514 {
1515 	nvlist_t *basenvp;
1516 	nvlist_t *embnvp = NULL;
1517 	nvpair_t *nvpair;
1518 	const char *nameptr, *propstr, *lastnameptr;
1519 	int not_array = 0;
1520 	unsigned int index = 0;
1521 	uint_t nelem;
1522 	char *nvpname, *nameslist = NULL;
1523 	char *scheme = NULL;
1524 
1525 	ASSERT(np->t == T_QUOTE);
1526 
1527 	propstr = np->u.quote.s;
1528 	if (payloadnvp == NULL) {
1529 		out(O_ALTFP | O_VERB2, "platform_payloadprop: no nvp for %s",
1530 		    propstr);
1531 		return (1);
1532 	}
1533 	basenvp = payloadnvp;
1534 
1535 	/*
1536 	 * first handle any embedded nvlists.  if propstr is "foo.bar[2]"
1537 	 * then lastnameptr should end up being "bar[2]" with basenvp set
1538 	 * to the nvlist for "foo".  (the search for "bar" within "foo"
1539 	 * will be done later.)
1540 	 */
1541 	if (strchr(propstr, '.') != NULL) {
1542 		nvlist_t **arraynvp;
1543 		uint_t nelem;
1544 		char *w;
1545 		int ier;
1546 
1547 		nameslist = STRDUP(propstr);
1548 		lastnameptr = strtok(nameslist, ".");
1549 
1550 		/*
1551 		 * decompose nameslist into its component names while
1552 		 * extracting the embedded nvlist
1553 		 */
1554 		while ((w = strtok(NULL, ".")) != NULL) {
1555 			if (get_array_info(lastnameptr, &nameptr, &index)) {
1556 				ier = nvlist_lookup_nvlist(basenvp,
1557 				    lastnameptr, &basenvp);
1558 			} else {
1559 				/* handle array of nvlists */
1560 				ier = nvlist_lookup_nvlist_array(basenvp,
1561 				    nameptr, &arraynvp, &nelem);
1562 				if (ier == 0) {
1563 					if ((uint_t)index > nelem - 1)
1564 						ier = 1;
1565 					else
1566 						basenvp = arraynvp[index];
1567 				}
1568 			}
1569 
1570 			if (ier) {
1571 				out(O_ALTFP, "platform_payloadprop: "
1572 				    " invalid list for %s (in %s)",
1573 				    lastnameptr, propstr);
1574 				FREE(nameslist);
1575 				return (1);
1576 			}
1577 
1578 			lastnameptr = w;
1579 		}
1580 	} else {
1581 		lastnameptr = propstr;
1582 	}
1583 
1584 	/* if property is an array reference, extract array name and index */
1585 	not_array = get_array_info(lastnameptr, &nameptr, &index);
1586 	if (not_array)
1587 		nameptr = stable(lastnameptr);
1588 
1589 	if (nameslist != NULL)
1590 		FREE(nameslist);
1591 
1592 	/* search for nvpair entry */
1593 	nvpair = NULL;
1594 	while ((nvpair = nvlist_next_nvpair(basenvp, nvpair)) != NULL) {
1595 		nvpname = nvpair_name(nvpair);
1596 		ASSERT(nvpname != NULL);
1597 
1598 		if (nameptr == stable(nvpname))
1599 			break;
1600 	}
1601 
1602 	if (nvpair == NULL) {
1603 		out(O_ALTFP, "platform_payloadprop: no entry for %s", propstr);
1604 		return (1);
1605 	} else if (valuep == NULL) {
1606 		/*
1607 		 * caller is interested in the existence of a property with
1608 		 * this name, regardless of type or value
1609 		 */
1610 		return (0);
1611 	}
1612 
1613 	valuep->t = UNDEFINED;
1614 
1615 	/*
1616 	 * get to this point if we found an entry.  figure out its data
1617 	 * type and copy its value.
1618 	 */
1619 	(void) nvpair_value_nvlist(nvpair, &embnvp);
1620 	if (nvlist_lookup_string(embnvp, FM_FMRI_SCHEME, &scheme) == 0) {
1621 		if (strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
1622 			valuep->t = NODEPTR;
1623 			valuep->v = (uintptr_t)hc_fmri_nodeize(embnvp);
1624 			return (0);
1625 		}
1626 	}
1627 	switch (nvpair_type(nvpair)) {
1628 	case DATA_TYPE_BOOLEAN:
1629 	case DATA_TYPE_BOOLEAN_VALUE: {
1630 		boolean_t val;
1631 		(void) nvpair_value_boolean_value(nvpair, &val);
1632 		valuep->t = UINT64;
1633 		valuep->v = (unsigned long long)val;
1634 		break;
1635 	}
1636 	case DATA_TYPE_BYTE: {
1637 		uchar_t val;
1638 		(void) nvpair_value_byte(nvpair, &val);
1639 		valuep->t = UINT64;
1640 		valuep->v = (unsigned long long)val;
1641 		break;
1642 	}
1643 	case DATA_TYPE_STRING: {
1644 		char *val;
1645 		valuep->t = STRING;
1646 		(void) nvpair_value_string(nvpair, &val);
1647 		valuep->v = (uintptr_t)stable(val);
1648 		break;
1649 	}
1650 
1651 	case DATA_TYPE_INT8: {
1652 		int8_t val;
1653 		(void) nvpair_value_int8(nvpair, &val);
1654 		valuep->t = UINT64;
1655 		valuep->v = (unsigned long long)val;
1656 		break;
1657 	}
1658 	case DATA_TYPE_UINT8: {
1659 		uint8_t val;
1660 		(void) nvpair_value_uint8(nvpair, &val);
1661 		valuep->t = UINT64;
1662 		valuep->v = (unsigned long long)val;
1663 		break;
1664 	}
1665 
1666 	case DATA_TYPE_INT16: {
1667 		int16_t val;
1668 		(void) nvpair_value_int16(nvpair, &val);
1669 		valuep->t = UINT64;
1670 		valuep->v = (unsigned long long)val;
1671 		break;
1672 	}
1673 	case DATA_TYPE_UINT16: {
1674 		uint16_t val;
1675 		(void) nvpair_value_uint16(nvpair, &val);
1676 		valuep->t = UINT64;
1677 		valuep->v = (unsigned long long)val;
1678 		break;
1679 	}
1680 
1681 	case DATA_TYPE_INT32: {
1682 		int32_t val;
1683 		(void) nvpair_value_int32(nvpair, &val);
1684 		valuep->t = UINT64;
1685 		valuep->v = (unsigned long long)val;
1686 		break;
1687 	}
1688 	case DATA_TYPE_UINT32: {
1689 		uint32_t val;
1690 		(void) nvpair_value_uint32(nvpair, &val);
1691 		valuep->t = UINT64;
1692 		valuep->v = (unsigned long long)val;
1693 		break;
1694 	}
1695 
1696 	case DATA_TYPE_INT64: {
1697 		int64_t val;
1698 		(void) nvpair_value_int64(nvpair, &val);
1699 		valuep->t = UINT64;
1700 		valuep->v = (unsigned long long)val;
1701 		break;
1702 	}
1703 	case DATA_TYPE_UINT64: {
1704 		uint64_t val;
1705 		(void) nvpair_value_uint64(nvpair, &val);
1706 		valuep->t = UINT64;
1707 		valuep->v = (unsigned long long)val;
1708 		break;
1709 	}
1710 
1711 	case DATA_TYPE_BOOLEAN_ARRAY: {
1712 		boolean_t *val;
1713 		(void) nvpair_value_boolean_array(nvpair, &val, &nelem);
1714 		if (not_array == 1 || index >= nelem)
1715 			goto invalid;
1716 		valuep->t = UINT64;
1717 		valuep->v = (unsigned long long)val[index];
1718 		break;
1719 	}
1720 	case DATA_TYPE_BYTE_ARRAY: {
1721 		uchar_t *val;
1722 		(void) nvpair_value_byte_array(nvpair, &val, &nelem);
1723 		if (not_array == 1 || index >= nelem)
1724 			goto invalid;
1725 		valuep->t = UINT64;
1726 		valuep->v = (unsigned long long)val[index];
1727 		break;
1728 	}
1729 	case DATA_TYPE_STRING_ARRAY: {
1730 		char **val;
1731 		(void) nvpair_value_string_array(nvpair, &val, &nelem);
1732 		if (not_array == 1 || index >= nelem)
1733 			goto invalid;
1734 		valuep->t = STRING;
1735 		valuep->v = (uintptr_t)stable(val[index]);
1736 		break;
1737 	}
1738 
1739 	case DATA_TYPE_INT8_ARRAY: {
1740 		int8_t *val;
1741 		(void) nvpair_value_int8_array(nvpair, &val, &nelem);
1742 		if (not_array == 1 || index >= nelem)
1743 			goto invalid;
1744 		valuep->t = UINT64;
1745 		valuep->v = (unsigned long long)val[index];
1746 		break;
1747 	}
1748 	case DATA_TYPE_UINT8_ARRAY: {
1749 		uint8_t *val;
1750 		(void) nvpair_value_uint8_array(nvpair, &val, &nelem);
1751 		if (not_array == 1 || index >= nelem)
1752 			goto invalid;
1753 		valuep->t = UINT64;
1754 		valuep->v = (unsigned long long)val[index];
1755 		break;
1756 	}
1757 	case DATA_TYPE_INT16_ARRAY: {
1758 		int16_t *val;
1759 		(void) nvpair_value_int16_array(nvpair, &val, &nelem);
1760 		if (not_array == 1 || index >= nelem)
1761 			goto invalid;
1762 		valuep->t = UINT64;
1763 		valuep->v = (unsigned long long)val[index];
1764 		break;
1765 	}
1766 	case DATA_TYPE_UINT16_ARRAY: {
1767 		uint16_t *val;
1768 		(void) nvpair_value_uint16_array(nvpair, &val, &nelem);
1769 		if (not_array == 1 || index >= nelem)
1770 			goto invalid;
1771 		valuep->t = UINT64;
1772 		valuep->v = (unsigned long long)val[index];
1773 		break;
1774 	}
1775 	case DATA_TYPE_INT32_ARRAY: {
1776 		int32_t *val;
1777 		(void) nvpair_value_int32_array(nvpair, &val, &nelem);
1778 		if (not_array == 1 || index >= nelem)
1779 			goto invalid;
1780 		valuep->t = UINT64;
1781 		valuep->v = (unsigned long long)val[index];
1782 		break;
1783 	}
1784 	case DATA_TYPE_UINT32_ARRAY: {
1785 		uint32_t *val;
1786 		(void) nvpair_value_uint32_array(nvpair, &val, &nelem);
1787 		if (not_array == 1 || index >= nelem)
1788 			goto invalid;
1789 		valuep->t = UINT64;
1790 		valuep->v = (unsigned long long)val[index];
1791 		break;
1792 	}
1793 	case DATA_TYPE_INT64_ARRAY: {
1794 		int64_t *val;
1795 		(void) nvpair_value_int64_array(nvpair, &val, &nelem);
1796 		if (not_array == 1 || index >= nelem)
1797 			goto invalid;
1798 		valuep->t = UINT64;
1799 		valuep->v = (unsigned long long)val[index];
1800 		break;
1801 	}
1802 	case DATA_TYPE_UINT64_ARRAY: {
1803 		uint64_t *val;
1804 		(void) nvpair_value_uint64_array(nvpair, &val, &nelem);
1805 		if (not_array == 1 || index >= nelem)
1806 			goto invalid;
1807 		valuep->t = UINT64;
1808 		valuep->v = (unsigned long long)val[index];
1809 		break;
1810 	}
1811 
1812 	default :
1813 		out(O_ALTFP|O_VERB2,
1814 		    "platform_payloadprop: unsupported data type for %s",
1815 		    propstr);
1816 		return (1);
1817 	}
1818 
1819 	return (0);
1820 
1821 invalid:
1822 	out(O_ALTFP|O_VERB2,
1823 	    "platform_payloadprop: invalid array reference for %s", propstr);
1824 	return (1);
1825 }
1826 
1827 /*ARGSUSED*/
1828 int
platform_path_exists(nvlist_t * fmri)1829 platform_path_exists(nvlist_t *fmri)
1830 {
1831 	return (fmd_nvl_fmri_present(Hdl, fmri));
1832 }
1833 
1834 struct evalue *
platform_payloadprop_values(const char * propstr,int * nvals)1835 platform_payloadprop_values(const char *propstr, int *nvals)
1836 {
1837 	struct evalue *retvals;
1838 	nvlist_t *basenvp;
1839 	nvpair_t *nvpair;
1840 	char *nvpname;
1841 
1842 	*nvals = 0;
1843 
1844 	if (payloadnvp == NULL)
1845 		return (NULL);
1846 
1847 	basenvp = payloadnvp;
1848 
1849 	/* search for nvpair entry */
1850 	nvpair = NULL;
1851 	while ((nvpair = nvlist_next_nvpair(basenvp, nvpair)) != NULL) {
1852 		nvpname = nvpair_name(nvpair);
1853 		ASSERT(nvpname != NULL);
1854 
1855 		if (strcmp(propstr, nvpname) == 0)
1856 			break;
1857 	}
1858 
1859 	if (nvpair == NULL)
1860 		return (NULL);	/* property not found */
1861 
1862 	switch (nvpair_type(nvpair)) {
1863 	case DATA_TYPE_NVLIST: {
1864 		nvlist_t *embnvp = NULL;
1865 		char *scheme = NULL;
1866 
1867 		(void) nvpair_value_nvlist(nvpair, &embnvp);
1868 		if (nvlist_lookup_string(embnvp, FM_FMRI_SCHEME,
1869 		    &scheme) == 0) {
1870 			if (strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
1871 				*nvals = 1;
1872 				retvals = MALLOC(sizeof (struct evalue));
1873 				retvals->t = NODEPTR;
1874 				retvals->v =
1875 				    (uintptr_t)hc_fmri_nodeize(embnvp);
1876 				return (retvals);
1877 			}
1878 		}
1879 		return (NULL);
1880 	}
1881 	case DATA_TYPE_NVLIST_ARRAY: {
1882 		char *scheme = NULL;
1883 		nvlist_t **nvap;
1884 		uint_t nel;
1885 		int i;
1886 		int hccount;
1887 
1888 		/*
1889 		 * since we're only willing to handle hc fmri's, we
1890 		 * must count them first before allocating retvals.
1891 		 */
1892 		if (nvpair_value_nvlist_array(nvpair, &nvap, &nel) != 0)
1893 			return (NULL);
1894 
1895 		hccount = 0;
1896 		for (i = 0; i < nel; i++) {
1897 			if (nvlist_lookup_string(nvap[i], FM_FMRI_SCHEME,
1898 			    &scheme) == 0 &&
1899 			    strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
1900 				hccount++;
1901 			}
1902 		}
1903 
1904 		if (hccount == 0)
1905 			return (NULL);
1906 
1907 		*nvals = hccount;
1908 		retvals = MALLOC(sizeof (struct evalue) * hccount);
1909 
1910 		hccount = 0;
1911 		for (i = 0; i < nel; i++) {
1912 			if (nvlist_lookup_string(nvap[i], FM_FMRI_SCHEME,
1913 			    &scheme) == 0 &&
1914 			    strcmp(scheme, FM_FMRI_SCHEME_HC) == 0) {
1915 				retvals[hccount].t = NODEPTR;
1916 				retvals[hccount].v = (uintptr_t)
1917 				    hc_fmri_nodeize(nvap[i]);
1918 				hccount++;
1919 			}
1920 		}
1921 		return (retvals);
1922 	}
1923 	case DATA_TYPE_BOOLEAN:
1924 	case DATA_TYPE_BOOLEAN_VALUE: {
1925 		boolean_t val;
1926 
1927 		*nvals = 1;
1928 		retvals = MALLOC(sizeof (struct evalue));
1929 		(void) nvpair_value_boolean_value(nvpair, &val);
1930 		retvals->t = UINT64;
1931 		retvals->v = (unsigned long long)val;
1932 		return (retvals);
1933 	}
1934 	case DATA_TYPE_BYTE: {
1935 		uchar_t val;
1936 
1937 		*nvals = 1;
1938 		retvals = MALLOC(sizeof (struct evalue));
1939 		(void) nvpair_value_byte(nvpair, &val);
1940 		retvals->t = UINT64;
1941 		retvals->v = (unsigned long long)val;
1942 		return (retvals);
1943 	}
1944 	case DATA_TYPE_STRING: {
1945 		char *val;
1946 
1947 		*nvals = 1;
1948 		retvals = MALLOC(sizeof (struct evalue));
1949 		retvals->t = STRING;
1950 		(void) nvpair_value_string(nvpair, &val);
1951 		retvals->v = (uintptr_t)stable(val);
1952 		return (retvals);
1953 	}
1954 
1955 	case DATA_TYPE_INT8: {
1956 		int8_t val;
1957 
1958 		*nvals = 1;
1959 		retvals = MALLOC(sizeof (struct evalue));
1960 		(void) nvpair_value_int8(nvpair, &val);
1961 		retvals->t = UINT64;
1962 		retvals->v = (unsigned long long)val;
1963 		return (retvals);
1964 	}
1965 	case DATA_TYPE_UINT8: {
1966 		uint8_t val;
1967 
1968 		*nvals = 1;
1969 		retvals = MALLOC(sizeof (struct evalue));
1970 		(void) nvpair_value_uint8(nvpair, &val);
1971 		retvals->t = UINT64;
1972 		retvals->v = (unsigned long long)val;
1973 		return (retvals);
1974 	}
1975 
1976 	case DATA_TYPE_INT16: {
1977 		int16_t val;
1978 
1979 		*nvals = 1;
1980 		retvals = MALLOC(sizeof (struct evalue));
1981 		(void) nvpair_value_int16(nvpair, &val);
1982 		retvals->t = UINT64;
1983 		retvals->v = (unsigned long long)val;
1984 		return (retvals);
1985 	}
1986 	case DATA_TYPE_UINT16: {
1987 		uint16_t val;
1988 
1989 		*nvals = 1;
1990 		retvals = MALLOC(sizeof (struct evalue));
1991 		(void) nvpair_value_uint16(nvpair, &val);
1992 		retvals->t = UINT64;
1993 		retvals->v = (unsigned long long)val;
1994 		return (retvals);
1995 	}
1996 
1997 	case DATA_TYPE_INT32: {
1998 		int32_t val;
1999 
2000 		*nvals = 1;
2001 		retvals = MALLOC(sizeof (struct evalue));
2002 		(void) nvpair_value_int32(nvpair, &val);
2003 		retvals->t = UINT64;
2004 		retvals->v = (unsigned long long)val;
2005 		return (retvals);
2006 	}
2007 	case DATA_TYPE_UINT32: {
2008 		uint32_t val;
2009 
2010 		*nvals = 1;
2011 		retvals = MALLOC(sizeof (struct evalue));
2012 		(void) nvpair_value_uint32(nvpair, &val);
2013 		retvals->t = UINT64;
2014 		retvals->v = (unsigned long long)val;
2015 		return (retvals);
2016 	}
2017 
2018 	case DATA_TYPE_INT64: {
2019 		int64_t val;
2020 
2021 		*nvals = 1;
2022 		retvals = MALLOC(sizeof (struct evalue));
2023 		(void) nvpair_value_int64(nvpair, &val);
2024 		retvals->t = UINT64;
2025 		retvals->v = (unsigned long long)val;
2026 		return (retvals);
2027 	}
2028 	case DATA_TYPE_UINT64: {
2029 		uint64_t val;
2030 
2031 		*nvals = 1;
2032 		retvals = MALLOC(sizeof (struct evalue));
2033 		(void) nvpair_value_uint64(nvpair, &val);
2034 		retvals->t = UINT64;
2035 		retvals->v = (unsigned long long)val;
2036 		return (retvals);
2037 	}
2038 
2039 	case DATA_TYPE_BOOLEAN_ARRAY: {
2040 		boolean_t *val;
2041 		uint_t nel;
2042 		int i;
2043 
2044 		(void) nvpair_value_boolean_array(nvpair, &val, &nel);
2045 		*nvals = nel;
2046 		retvals = MALLOC(sizeof (struct evalue) * nel);
2047 		for (i = 0; i < nel; i++) {
2048 			retvals[i].t = UINT64;
2049 			retvals[i].v = (unsigned long long)val[i];
2050 		}
2051 		return (retvals);
2052 	}
2053 	case DATA_TYPE_BYTE_ARRAY: {
2054 		uchar_t *val;
2055 		uint_t nel;
2056 		int i;
2057 
2058 		(void) nvpair_value_byte_array(nvpair, &val, &nel);
2059 		*nvals = nel;
2060 		retvals = MALLOC(sizeof (struct evalue) * nel);
2061 		for (i = 0; i < nel; i++) {
2062 			retvals[i].t = UINT64;
2063 			retvals[i].v = (unsigned long long)val[i];
2064 		}
2065 		return (retvals);
2066 	}
2067 	case DATA_TYPE_STRING_ARRAY: {
2068 		char **val;
2069 		uint_t nel;
2070 		int i;
2071 
2072 		(void) nvpair_value_string_array(nvpair, &val, &nel);
2073 		*nvals = nel;
2074 		retvals = MALLOC(sizeof (struct evalue) * nel);
2075 		for (i = 0; i < nel; i++) {
2076 			retvals[i].t = STRING;
2077 			retvals[i].v = (uintptr_t)stable(val[i]);
2078 		}
2079 		return (retvals);
2080 	}
2081 
2082 	case DATA_TYPE_INT8_ARRAY: {
2083 		int8_t *val;
2084 		uint_t nel;
2085 		int i;
2086 
2087 		(void) nvpair_value_int8_array(nvpair, &val, &nel);
2088 		*nvals = nel;
2089 		retvals = MALLOC(sizeof (struct evalue) * nel);
2090 		for (i = 0; i < nel; i++) {
2091 			retvals[i].t = UINT64;
2092 			retvals[i].v = (unsigned long long)val[i];
2093 		}
2094 		return (retvals);
2095 	}
2096 	case DATA_TYPE_UINT8_ARRAY: {
2097 		uint8_t *val;
2098 		uint_t nel;
2099 		int i;
2100 
2101 		(void) nvpair_value_uint8_array(nvpair, &val, &nel);
2102 		*nvals = nel;
2103 		retvals = MALLOC(sizeof (struct evalue) * nel);
2104 		for (i = 0; i < nel; i++) {
2105 			retvals[i].t = UINT64;
2106 			retvals[i].v = (unsigned long long)val[i];
2107 		}
2108 		return (retvals);
2109 	}
2110 	case DATA_TYPE_INT16_ARRAY: {
2111 		int16_t *val;
2112 		uint_t nel;
2113 		int i;
2114 
2115 		(void) nvpair_value_int16_array(nvpair, &val, &nel);
2116 		*nvals = nel;
2117 		retvals = MALLOC(sizeof (struct evalue) * nel);
2118 		for (i = 0; i < nel; i++) {
2119 			retvals[i].t = UINT64;
2120 			retvals[i].v = (unsigned long long)val[i];
2121 		}
2122 		return (retvals);
2123 	}
2124 	case DATA_TYPE_UINT16_ARRAY: {
2125 		uint16_t *val;
2126 		uint_t nel;
2127 		int i;
2128 
2129 		(void) nvpair_value_uint16_array(nvpair, &val, &nel);
2130 		*nvals = nel;
2131 		retvals = MALLOC(sizeof (struct evalue) * nel);
2132 		for (i = 0; i < nel; i++) {
2133 			retvals[i].t = UINT64;
2134 			retvals[i].v = (unsigned long long)val[i];
2135 		}
2136 		return (retvals);
2137 	}
2138 	case DATA_TYPE_INT32_ARRAY: {
2139 		int32_t *val;
2140 		uint_t nel;
2141 		int i;
2142 
2143 		(void) nvpair_value_int32_array(nvpair, &val, &nel);
2144 		*nvals = nel;
2145 		retvals = MALLOC(sizeof (struct evalue) * nel);
2146 		for (i = 0; i < nel; i++) {
2147 			retvals[i].t = UINT64;
2148 			retvals[i].v = (unsigned long long)val[i];
2149 		}
2150 		return (retvals);
2151 	}
2152 	case DATA_TYPE_UINT32_ARRAY: {
2153 		uint32_t *val;
2154 		uint_t nel;
2155 		int i;
2156 
2157 		(void) nvpair_value_uint32_array(nvpair, &val, &nel);
2158 		*nvals = nel;
2159 		retvals = MALLOC(sizeof (struct evalue) * nel);
2160 		for (i = 0; i < nel; i++) {
2161 			retvals[i].t = UINT64;
2162 			retvals[i].v = (unsigned long long)val[i];
2163 		}
2164 		return (retvals);
2165 	}
2166 	case DATA_TYPE_INT64_ARRAY: {
2167 		int64_t *val;
2168 		uint_t nel;
2169 		int i;
2170 
2171 		(void) nvpair_value_int64_array(nvpair, &val, &nel);
2172 		*nvals = nel;
2173 		retvals = MALLOC(sizeof (struct evalue) * nel);
2174 		for (i = 0; i < nel; i++) {
2175 			retvals[i].t = UINT64;
2176 			retvals[i].v = (unsigned long long)val[i];
2177 		}
2178 		return (retvals);
2179 	}
2180 	case DATA_TYPE_UINT64_ARRAY: {
2181 		uint64_t *val;
2182 		uint_t nel;
2183 		int i;
2184 
2185 		(void) nvpair_value_uint64_array(nvpair, &val, &nel);
2186 		*nvals = nel;
2187 		retvals = MALLOC(sizeof (struct evalue) * nel);
2188 		for (i = 0; i < nel; i++) {
2189 			retvals[i].t = UINT64;
2190 			retvals[i].v = (unsigned long long)val[i];
2191 		}
2192 		return (retvals);
2193 	}
2194 
2195 	}
2196 
2197 	return (NULL);
2198 }
2199 
2200 /*
2201  * When a list.repaired event is seen the following is called for
2202  * each fault in the associated fault list to convert the given FMRI
2203  * to an instanced path.  Only hc scheme is supported.
2204  */
2205 const struct ipath *
platform_fault2ipath(nvlist_t * flt)2206 platform_fault2ipath(nvlist_t *flt)
2207 {
2208 	nvlist_t *rsrc;
2209 	struct node *np;
2210 	char *scheme;
2211 	const struct ipath *ip;
2212 
2213 	if (nvlist_lookup_nvlist(flt, FM_FAULT_RESOURCE, &rsrc) != 0) {
2214 		out(O_ALTFP, "platform_fault2ipath: no resource member");
2215 		return (NULL);
2216 	} else if (nvlist_lookup_string(rsrc, FM_FMRI_SCHEME, &scheme) != 0) {
2217 		out(O_ALTFP, "platform_fault2ipath: no scheme type for rsrc");
2218 		return (NULL);
2219 	}
2220 
2221 	if (strncmp(scheme, FM_FMRI_SCHEME_HC,
2222 	    sizeof (FM_FMRI_SCHEME_HC) - 1) != 0) {
2223 		out(O_ALTFP, "platform_fault2ipath: returning NULL for non-hc "
2224 		"scheme %s", scheme);
2225 		return (NULL);
2226 	}
2227 
2228 	if ((np = hc_fmri_nodeize(rsrc)) == NULL)
2229 		return (NULL);		/* nodeize will already have whinged */
2230 
2231 	ip = ipath(np);
2232 	tree_free(np);
2233 	return (ip);
2234 }
2235