xref: /illumos-gate/usr/src/lib/libkmf/libkmf/common/generalop.c (revision 581cede61ac9c14d8d4ea452562a567189eead78)
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 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  *
25  */
26 
27 #include <stdio.h>
28 #include <dlfcn.h>
29 #include <link.h>
30 #include <fcntl.h>
31 #include <ctype.h>
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #include <errno.h>
36 #include <sys/socket.h>
37 #include <netinet/in.h>
38 #include <arpa/inet.h>
39 #include <thread.h>
40 
41 #include <ber_der.h>
42 #include <kmfapiP.h>
43 
44 #include <pem_encode.h>
45 #include <rdn_parser.h>
46 #include <libxml2/libxml/uri.h>
47 #include <libgen.h>
48 #include <cryptoutil.h>
49 
50 static uchar_t pkcs11_initialized = 0;
51 mutex_t init_lock = DEFAULTMUTEX;
52 extern int errno;
53 
54 typedef struct {
55 	KMF_RETURN code;
56 	char	*message;
57 } kmf_error_map;
58 
59 static kmf_error_map kmf_errcodes[] = {
60 	{KMF_OK,	"KMF_OK"},
61 	{KMF_ERR_BAD_PARAMETER,	"KMF_ERR_BAD_PARAMETER"},
62 	{KMF_ERR_BAD_KEY_FORMAT,	"KMF_ERR_BAD_KEY_FORMAT"},
63 	{KMF_ERR_BAD_ALGORITHM,	"KMF_ERR_BAD_ALGORITHM"},
64 	{KMF_ERR_MEMORY,	"KMF_ERR_MEMORY"},
65 	{KMF_ERR_ENCODING,	"KMF_ERR_ENCODING"},
66 	{KMF_ERR_PLUGIN_INIT,	"KMF_ERR_PLUGIN_INIT"},
67 	{KMF_ERR_PLUGIN_NOTFOUND,	"KMF_ERR_PLUGIN_NOTFOUND"},
68 	{KMF_ERR_INTERNAL,	"KMF_ERR_INTERNAL"},
69 	{KMF_ERR_BAD_CERT_FORMAT,	"KMF_ERR_BAD_CERT_FORMAT"},
70 	{KMF_ERR_KEYGEN_FAILED,	"KMF_ERR_KEYGEN_FAILED"},
71 	{KMF_ERR_UNINITIALIZED,	"KMF_ERR_UNINITIALIZED"},
72 	{KMF_ERR_ISSUER,	"KMF_ERR_ISSUER"},
73 	{KMF_ERR_NOT_REVOKED,	"KMF_ERR_NOT_REVOKED"},
74 	{KMF_ERR_CERT_NOT_FOUND,	"KMF_ERR_CERT_NOT_FOUND"},
75 	{KMF_ERR_CRL_NOT_FOUND,	"KMF_ERR_CRL_NOT_FOUND"},
76 	{KMF_ERR_RDN_PARSER,	"KMF_ERR_RDN_PARSER"},
77 	{KMF_ERR_RDN_ATTR,	"KMF_ERR_RDN_ATTR"},
78 	{KMF_ERR_SLOTNAME,	"KMF_ERR_SLOTNAME"},
79 	{KMF_ERR_EMPTY_CRL,	"KMF_ERR_EMPTY_CRL"},
80 	{KMF_ERR_BUFFER_SIZE,	"KMF_ERR_BUFFER_SIZE"},
81 	{KMF_ERR_AUTH_FAILED,	"KMF_ERR_AUTH_FAILED"},
82 	{KMF_ERR_TOKEN_SELECTED,	"KMF_ERR_TOKEN_SELECTED"},
83 	{KMF_ERR_NO_TOKEN_SELECTED,	"KMF_ERR_NO_TOKEN_SELECTED"},
84 	{KMF_ERR_TOKEN_NOT_PRESENT,	"KMF_ERR_TOKEN_NOT_PRESENT"},
85 	{KMF_ERR_EXTENSION_NOT_FOUND,	"KMF_ERR_EXTENSION_NOT_FOUND"},
86 	{KMF_ERR_POLICY_ENGINE,	"KMF_ERR_POLICY_ENGINE"},
87 	{KMF_ERR_POLICY_DB_FORMAT,	"KMF_ERR_POLICY_DB_FORMAT"},
88 	{KMF_ERR_POLICY_NOT_FOUND,	"KMF_ERR_POLICY_NOT_FOUND"},
89 	{KMF_ERR_POLICY_DB_FILE,	"KMF_ERR_POLICY_DB_FILE"},
90 	{KMF_ERR_POLICY_NAME,	"KMF_ERR_POLICY_NAME"},
91 	{KMF_ERR_OCSP_POLICY,	"KMF_ERR_OCSP_POLICY"},
92 	{KMF_ERR_TA_POLICY,	"KMF_ERR_TA_POLICY"},
93 	{KMF_ERR_KEY_NOT_FOUND,	"KMF_ERR_KEY_NOT_FOUND"},
94 	{KMF_ERR_OPEN_FILE,	"KMF_ERR_OPEN_FILE"},
95 	{KMF_ERR_OCSP_BAD_ISSUER,	"KMF_ERR_OCSP_BAD_ISSUER"},
96 	{KMF_ERR_OCSP_BAD_CERT,	"KMF_ERR_OCSP_BAD_CERT"},
97 	{KMF_ERR_OCSP_CREATE_REQUEST,	"KMF_ERR_OCSP_CREATE_REQUEST"},
98 	{KMF_ERR_CONNECT_SERVER,	"KMF_ERR_CONNECT_SERVER"},
99 	{KMF_ERR_SEND_REQUEST,	"KMF_ERR_SEND_REQUEST"},
100 	{KMF_ERR_OCSP_CERTID,	"KMF_ERR_OCSP_CERTID"},
101 	{KMF_ERR_OCSP_MALFORMED_RESPONSE, "KMF_ERR_OCSP_MALFORMED_RESPONSE"},
102 	{KMF_ERR_OCSP_RESPONSE_STATUS,	"KMF_ERR_OCSP_RESPONSE_STATUS"},
103 	{KMF_ERR_OCSP_NO_BASIC_RESPONSE, "KMF_ERR_OCSP_NO_BASIC_RESPONSE"},
104 	{KMF_ERR_OCSP_BAD_SIGNER,	"KMF_ERR_OCSP_BAD_SIGNER"},
105 	{KMF_ERR_OCSP_RESPONSE_SIGNATURE, "KMF_ERR_OCSP_RESPONSE_SIGNATURE"},
106 	{KMF_ERR_OCSP_UNKNOWN_CERT,	"KMF_ERR_OCSP_UNKNOWN_CERT"},
107 	{KMF_ERR_OCSP_STATUS_TIME_INVALID, "KMF_ERR_OCSP_STATUS_TIME_INVALID"},
108 	{KMF_ERR_BAD_HTTP_RESPONSE,	"KMF_ERR_BAD_HTTP_RESPONSE"},
109 	{KMF_ERR_RECV_RESPONSE,	"KMF_ERR_RECV_RESPONSE"},
110 	{KMF_ERR_RECV_TIMEOUT,	"KMF_ERR_RECV_TIMEOUT"},
111 	{KMF_ERR_DUPLICATE_KEYFILE,	"KMF_ERR_DUPLICATE_KEYFILE"},
112 	{KMF_ERR_AMBIGUOUS_PATHNAME,	"KMF_ERR_AMBIGUOUS_PATHNAME"},
113 	{KMF_ERR_FUNCTION_NOT_FOUND,	"KMF_ERR_FUNCTION_NOT_FOUND"},
114 	{KMF_ERR_PKCS12_FORMAT,	"KMF_ERR_PKCS12_FORMAT"},
115 	{KMF_ERR_BAD_KEY_TYPE,	"KMF_ERR_BAD_KEY_TYPE"},
116 	{KMF_ERR_BAD_KEY_CLASS,	"KMF_ERR_BAD_KEY_CLASS"},
117 	{KMF_ERR_BAD_KEY_SIZE,	"KMF_ERR_BAD_KEY_SIZE"},
118 	{KMF_ERR_BAD_HEX_STRING,	"KMF_ERR_BAD_HEX_STRING"},
119 	{KMF_ERR_KEYUSAGE,	"KMF_ERR_KEYUSAGE"},
120 	{KMF_ERR_VALIDITY_PERIOD,	"KMF_ERR_VALIDITY_PERIOD"},
121 	{KMF_ERR_OCSP_REVOKED,	"KMF_ERR_OCSP_REVOKED"},
122 	{KMF_ERR_CERT_MULTIPLE_FOUND,	"KMF_ERR_CERT_MULTIPLE_FOUND"},
123 	{KMF_ERR_WRITE_FILE,	"KMF_ERR_WRITE_FILE"},
124 	{KMF_ERR_BAD_URI,	"KMF_ERR_BAD_URI"},
125 	{KMF_ERR_BAD_CRLFILE,	"KMF_ERR_BAD_CRLFILE"},
126 	{KMF_ERR_BAD_CERTFILE,	"KMF_ERR_BAD_CERTFILE"},
127 	{KMF_ERR_GETKEYVALUE_FAILED,	"KMF_ERR_GETKEYVALUE_FAILED"},
128 	{KMF_ERR_BAD_KEYHANDLE,	"KMF_ERR_BAD_KEYHANDLE"},
129 	{KMF_ERR_BAD_OBJECT_TYPE,	"KMF_ERR_BAD_OBJECT_TYPE"},
130 	{KMF_ERR_OCSP_RESPONSE_LIFETIME, "KMF_ERR_OCSP_RESPONSE_LIFETIME"},
131 	{KMF_ERR_UNKNOWN_CSR_ATTRIBUTE,	"KMF_ERR_UNKNOWN_CSR_ATTRIBUTE"},
132 	{KMF_ERR_UNINITIALIZED_TOKEN,	"KMF_ERR_UNINITIALIZED_TOKEN"},
133 	{KMF_ERR_INCOMPLETE_TBS_CERT,	"KMF_ERR_INCOMPLETE_TBS_CERT"},
134 	{KMF_ERR_MISSING_ERRCODE,	"KMF_ERR_MISSING_ERRCODE"},
135 	{KMF_KEYSTORE_ALREADY_INITIALIZED, "KMF_KEYSTORE_ALREADY_INITIALIZED"},
136 	{KMF_ERR_SENSITIVE_KEY,		"KMF_ERR_SENSITIVE_KEY"},
137 	{KMF_ERR_UNEXTRACTABLE_KEY,	"KMF_ERR_UNEXTRACTABLE_KEY"},
138 	{KMF_ERR_KEY_MISMATCH,		"KMF_ERR_KEY_MISMATCH"},
139 	{KMF_ERR_ATTR_NOT_FOUND,	"KMF_ERR_ATTR_NOT_FOUND"},
140 	{KMF_ERR_KMF_CONF,		"KMF_ERR_KMF_CONF"}
141 };
142 
143 typedef struct {
144 	KMF_KEYSTORE_TYPE	kstype;
145 	char			*path;
146 	boolean_t		critical;
147 } KMF_PLUGIN_ITEM;
148 
149 KMF_PLUGIN_ITEM plugin_list[] = {
150 	{KMF_KEYSTORE_OPENSSL,	KMF_PLUGIN_PATH "kmf_openssl.so.1",  TRUE},
151 	{KMF_KEYSTORE_PK11TOKEN, KMF_PLUGIN_PATH "kmf_pkcs11.so.1",  TRUE},
152 	{KMF_KEYSTORE_NSS,	KMF_PLUGIN_PATH "kmf_nss.so.1",  FALSE}
153 };
154 
155 
156 
157 static KMF_RETURN InitializePlugin(KMF_KEYSTORE_TYPE, char *, KMF_PLUGIN **);
158 static KMF_RETURN AddPlugin(KMF_HANDLE_T, KMF_PLUGIN *);
159 static void free_extensions(KMF_X509_EXTENSIONS *extns);
160 static void DestroyPlugin(KMF_PLUGIN *);
161 
162 #if defined(__sparcv9)
163 #define	ISA_PATH	"/sparcv9"
164 #elif defined(__sparc)
165 #define	ISA_PATH	"/"
166 #elif defined(__i386)
167 #define	ISA_PATH	"/"
168 #elif defined(__amd64)
169 #define	ISA_PATH	"/amd64"
170 #endif
171 
172 #define	DEFAULT_KEYSTORE_NUM	3
173 static int kstore_num = DEFAULT_KEYSTORE_NUM;
174 conf_entrylist_t *extra_plugin_list = NULL;
175 static boolean_t check_extra_plugin = B_FALSE;
176 mutex_t extra_plugin_lock = DEFAULTMUTEX;
177 
178 KMF_RETURN
179 init_pk11()
180 {
181 	(void) mutex_lock(&init_lock);
182 	if (!pkcs11_initialized) {
183 		CK_RV rv = C_Initialize(NULL);
184 		if ((rv != CKR_OK) &&
185 		    (rv != CKR_CRYPTOKI_ALREADY_INITIALIZED)) {
186 			(void) mutex_unlock(&init_lock);
187 			return (KMF_ERR_UNINITIALIZED);
188 		} else {
189 			pkcs11_initialized = 1;
190 		}
191 	}
192 	(void) mutex_unlock(&init_lock);
193 	return (KMF_OK);
194 }
195 
196 /*
197  * Private method for searching the plugin list for the correct
198  * Plugin to use.
199  */
200 KMF_PLUGIN *
201 FindPlugin(KMF_HANDLE_T handle, KMF_KEYSTORE_TYPE kstype)
202 {
203 	KMF_PLUGIN_LIST *node;
204 	KMF_RETURN ret = KMF_OK;
205 	KMF_PLUGIN *pluginrec = NULL;
206 
207 	if (handle == NULL)
208 		return (NULL);
209 
210 	node = handle->plugins;
211 
212 	/* See if the desired plugin was already initialized. */
213 	while (node != NULL && node->plugin->type != kstype)
214 		node = node->next;
215 
216 	if (node != NULL)
217 		return (node->plugin);
218 
219 	/* The plugin was not found, try to initialize it here. */
220 	if (VALID_DEFAULT_KEYSTORE_TYPE(kstype)) {
221 		int i;
222 		int numitems = sizeof (plugin_list)/sizeof (KMF_PLUGIN_ITEM);
223 		for (i = 0; i < numitems; i++) {
224 			if (plugin_list[i].kstype == kstype) {
225 				ret = InitializePlugin(plugin_list[i].kstype,
226 				    plugin_list[i].path, &pluginrec);
227 				break;
228 			}
229 		}
230 
231 		goto out;
232 
233 	} else {
234 		/*
235 		 * Not a built-in plugin. Check if it is in the
236 		 * extra_plugin_list.  If it is, try to initialize it here.
237 		 */
238 		conf_entrylist_t *phead = extra_plugin_list;
239 		char realpath[MAXPATHLEN];
240 
241 		while (phead != NULL) {
242 			if (phead->entry->kstype == kstype)
243 				break;
244 			else
245 				phead = phead->next;
246 		}
247 
248 		if (phead == NULL)
249 			return (NULL);
250 
251 		/*
252 		 * Get the absolute path of the module.
253 		 * - If modulepath is not a full path, then prepend it
254 		 *   with KMF_PLUGIN_PATH.
255 		 * - If modulepath is a full path and contain $ISA, then
256 		 *   subsitute the architecture dependent path.
257 		 */
258 		(void) memset(realpath, 0, sizeof (realpath));
259 		if (strncmp(phead->entry->modulepath, "/", 1) != 0) {
260 			(void) snprintf(realpath, MAXPATHLEN, "%s%s",
261 			    KMF_PLUGIN_PATH, phead->entry->modulepath);
262 		} else {
263 			char *buf = phead->entry->modulepath;
264 			char *isa;
265 
266 			if ((isa = strstr(buf, PKCS11_ISA)) != NULL) {
267 				char *isa_str;
268 
269 				(void) strncpy(realpath, buf, isa - buf);
270 				isa_str = strdup(ISA_PATH);
271 				if (isa_str == NULL) /* not enough memory */
272 					return (NULL);
273 
274 				(void) strncat(realpath, isa_str,
275 				    strlen(isa_str));
276 				free(isa_str);
277 
278 				isa += strlen(PKCS11_ISA);
279 				(void) strlcat(realpath, isa, MAXPATHLEN);
280 			} else {
281 				(void) snprintf(realpath, MAXPATHLEN, "%s",
282 				    phead->entry->modulepath);
283 			}
284 		}
285 
286 		ret = InitializePlugin(phead->entry->kstype, realpath,
287 		    &pluginrec);
288 		goto out;
289 	}
290 
291 out:
292 	if (ret != KMF_OK || pluginrec == NULL)
293 		/* No matching plugins found in the built-in list */
294 		return (NULL);
295 
296 	ret = AddPlugin(handle, pluginrec);
297 	if (ret != KMF_OK) {
298 		DestroyPlugin(pluginrec);
299 		pluginrec = NULL;
300 	}
301 	return (pluginrec);
302 }
303 
304 
305 static KMF_RETURN
306 InitializePlugin(KMF_KEYSTORE_TYPE kstype, char *path, KMF_PLUGIN **plugin)
307 {
308 	KMF_PLUGIN *p = NULL;
309 	KMF_PLUGIN_FUNCLIST *(*sym)();
310 
311 	if (path == NULL || plugin == NULL)
312 		return (KMF_ERR_BAD_PARAMETER);
313 
314 	*plugin = NULL;
315 
316 	p = (KMF_PLUGIN *)malloc(sizeof (KMF_PLUGIN));
317 	if (p == NULL)
318 		return (KMF_ERR_MEMORY);
319 
320 	p->type = kstype;
321 	p->path = strdup(path);
322 	if (p->path == NULL) {
323 		free(p);
324 		return (KMF_ERR_MEMORY);
325 	}
326 	/*
327 	 * Do not use RTLD_GROUP here, or this will cause a circular
328 	 * dependency when kmf_pkcs11.so.1 gets its PKCS#11 functions
329 	 * from libpkcs11.so.1 when kmf is used via libelfsign.so.1
330 	 * called from kcfd.
331 	 */
332 	p->dldesc = dlopen(path, RTLD_LAZY | RTLD_PARENT);
333 	if (p->dldesc == NULL) {
334 		free(p->path);
335 		free(p);
336 		return (KMF_ERR_PLUGIN_INIT);
337 	}
338 
339 	sym = (KMF_PLUGIN_FUNCLIST *(*)())dlsym(p->dldesc,
340 	    KMF_PLUGIN_INIT_SYMBOL);
341 	if (sym == NULL) {
342 		(void) dlclose(p->dldesc);
343 		free(p->path);
344 		free(p);
345 		return (KMF_ERR_PLUGIN_INIT);
346 	}
347 
348 	/* Get the function list */
349 	if ((p->funclist = (*sym)()) == NULL) {
350 		(void) dlclose(p->dldesc);
351 		free(p->path);
352 		free(p);
353 		return (KMF_ERR_PLUGIN_INIT);
354 	}
355 
356 	*plugin = p;
357 
358 	return (KMF_OK);
359 }
360 
361 static KMF_RETURN
362 AddPlugin(KMF_HANDLE_T handle, KMF_PLUGIN *plugin)
363 {
364 	KMF_PLUGIN_LIST *n;
365 
366 	if (handle == NULL || plugin == NULL)
367 		return (KMF_ERR_BAD_PARAMETER);
368 
369 	/* If the head is NULL, create it */
370 	if (handle->plugins == NULL) {
371 		handle->plugins = (KMF_PLUGIN_LIST *)malloc(
372 		    sizeof (KMF_PLUGIN_LIST));
373 		if (handle->plugins == NULL)
374 			return (KMF_ERR_MEMORY);
375 		handle->plugins->plugin = plugin;
376 		handle->plugins->next = NULL;
377 	} else {
378 		/* walk the list to find the tail */
379 		n = handle->plugins;
380 		while (n->next != NULL)
381 			n = n->next;
382 		n->next = (KMF_PLUGIN_LIST *)malloc(sizeof (KMF_PLUGIN_LIST));
383 		if (n->next == NULL)
384 			return (KMF_ERR_MEMORY);
385 
386 		n->next->plugin = plugin;
387 		n->next->next = NULL;
388 	}
389 	return (0);
390 }
391 
392 static void
393 DestroyPlugin(KMF_PLUGIN *plugin)
394 {
395 	if (plugin) {
396 		if (plugin->path)
397 			free(plugin->path);
398 		free(plugin);
399 	}
400 }
401 
402 static void
403 Cleanup_KMF_Handle(KMF_HANDLE_T handle)
404 {
405 	if (handle != NULL) {
406 		while (handle->plugins != NULL) {
407 			KMF_PLUGIN_LIST *next = handle->plugins->next;
408 
409 			DestroyPlugin(handle->plugins->plugin);
410 			free(handle->plugins);
411 			handle->plugins = next;
412 		}
413 		kmf_free_policy_record(handle->policy);
414 		free(handle->policy);
415 	}
416 	free(handle);
417 }
418 
419 void
420 Cleanup_PK11_Session(KMF_HANDLE_T handle)
421 {
422 	if (handle != NULL) {
423 		/* Close active session on a pkcs11 token */
424 		if (handle->pk11handle != NULL) {
425 			(void) C_CloseSession(handle->pk11handle);
426 			handle->pk11handle = NULL;
427 		}
428 	}
429 }
430 
431 KMF_RETURN
432 kmf_initialize(KMF_HANDLE_T *outhandle, char *policyfile, char *policyname)
433 {
434 	KMF_RETURN ret = KMF_OK;
435 	KMF_HANDLE *handle = NULL;
436 
437 	if (outhandle == NULL)
438 		return (KMF_ERR_BAD_PARAMETER);
439 
440 	*outhandle = NULL;
441 	handle = (KMF_HANDLE *)malloc(sizeof (KMF_HANDLE));
442 	if (handle == NULL)
443 		return (KMF_ERR_MEMORY);
444 
445 	(void) memset(handle, 0, sizeof (KMF_HANDLE));
446 	handle->plugins = NULL;
447 
448 	/*
449 	 * When this function is called the first time, get the additional
450 	 * plugins from the config file.
451 	 */
452 	(void) mutex_lock(&extra_plugin_lock);
453 	if (!check_extra_plugin) {
454 
455 		ret = get_entrylist(&extra_plugin_list);
456 		check_extra_plugin = B_TRUE;
457 
458 		/*
459 		 * Assign the kstype number to the additional plugins here.
460 		 * The global kstore_num will be protected by the mutex lock.
461 		 */
462 		if (ret == KMF_OK) {
463 			conf_entrylist_t *phead = extra_plugin_list;
464 			while (phead != NULL) {
465 				phead->entry->kstype = ++kstore_num;
466 				phead = phead->next;
467 			}
468 		}
469 
470 		/*
471 		 * If the KMF configuration file does not exist or cannot be
472 		 * parsed correctly, we will give a warning in syslog and
473 		 * continue on as there is no extra plugins in the system.
474 		 */
475 		if (ret == KMF_ERR_KMF_CONF) {
476 			cryptoerror(LOG_WARNING, "KMF was unable to parse "
477 			    "the private KMF config file.\n");
478 			ret = KMF_OK;
479 		}
480 
481 		if (ret != KMF_OK) {
482 			(void) mutex_unlock(&extra_plugin_lock);
483 			goto errout;
484 		}
485 	}
486 	(void) mutex_unlock(&extra_plugin_lock);
487 
488 	/* Initialize the handle with the policy */
489 	ret = kmf_set_policy((void *)handle,
490 	    policyfile == NULL ? KMF_DEFAULT_POLICY_FILE : policyfile,
491 	    policyname == NULL ? KMF_DEFAULT_POLICY_NAME : policyname);
492 	if (ret != KMF_OK)
493 		goto errout;
494 
495 	CLEAR_ERROR(handle, ret);
496 errout:
497 	if (ret != KMF_OK) {
498 		Cleanup_KMF_Handle(handle);
499 		handle = NULL;
500 	}
501 
502 	*outhandle = (KMF_HANDLE_T)handle;
503 	return (ret);
504 }
505 
506 KMF_RETURN
507 kmf_configure_keystore(KMF_HANDLE_T handle,
508 	int	num_args,
509 	KMF_ATTRIBUTE	*attrlist)
510 {
511 	KMF_RETURN ret = KMF_OK;
512 	KMF_PLUGIN *plugin;
513 	KMF_KEYSTORE_TYPE kstype;
514 	uint32_t len;
515 
516 	KMF_ATTRIBUTE_TESTER required_attrs[] = {
517 		{KMF_KEYSTORE_TYPE_ATTR, FALSE, 1, sizeof (KMF_KEYSTORE_TYPE)},
518 	};
519 
520 	int num_req_attrs = sizeof (required_attrs) /
521 	    sizeof (KMF_ATTRIBUTE_TESTER);
522 
523 	if (handle == NULL)
524 		return (KMF_ERR_BAD_PARAMETER);
525 
526 	CLEAR_ERROR(handle, ret);
527 
528 	ret = test_attributes(num_req_attrs, required_attrs,
529 	    0, NULL, num_args, attrlist);
530 
531 	if (ret != KMF_OK)
532 		return (ret);
533 
534 	len = sizeof (kstype);
535 	ret = kmf_get_attr(KMF_KEYSTORE_TYPE_ATTR, attrlist, num_args,
536 	    &kstype, &len);
537 	if (ret != KMF_OK)
538 		return (ret);
539 
540 	plugin = FindPlugin(handle, kstype);
541 	if (plugin != NULL && plugin->funclist->ConfigureKeystore != NULL) {
542 		return (plugin->funclist->ConfigureKeystore(handle, num_args,
543 		    attrlist));
544 	} else {
545 		/* return KMF_OK, if the plugin does not have an entry */
546 		return (KMF_OK);
547 	}
548 }
549 
550 KMF_RETURN
551 kmf_finalize(KMF_HANDLE_T handle)
552 {
553 	KMF_RETURN ret = KMF_OK;
554 
555 	CLEAR_ERROR(handle, ret);
556 	if (ret != KMF_OK)
557 		return (ret);
558 
559 	if (pkcs11_initialized) {
560 		Cleanup_PK11_Session(handle);
561 	}
562 	Cleanup_KMF_Handle(handle);
563 
564 	return (ret);
565 }
566 
567 KMF_RETURN
568 kmf_get_kmf_error_str(KMF_RETURN errcode, char **errmsg)
569 {
570 	KMF_RETURN ret = KMF_OK;
571 	int i, maxerr;
572 
573 	if (errmsg == NULL)
574 		return (KMF_ERR_BAD_PARAMETER);
575 
576 	*errmsg = NULL;
577 	maxerr = sizeof (kmf_errcodes) / sizeof (kmf_error_map);
578 
579 	for (i = 0; i < maxerr && errcode != kmf_errcodes[i].code; i++)
580 		/* empty body */
581 		;
582 
583 	if (i == maxerr)
584 		return (KMF_ERR_MISSING_ERRCODE);
585 	else {
586 		*errmsg = strdup(kmf_errcodes[i].message);
587 		if ((*errmsg) == NULL)
588 			return (KMF_ERR_MEMORY);
589 	}
590 	return (ret);
591 }
592 
593 KMF_RETURN
594 kmf_get_plugin_error_str(KMF_HANDLE_T handle, char **msgstr)
595 {
596 	KMF_RETURN ret = KMF_OK;
597 	KMF_PLUGIN *plugin;
598 
599 	if (handle == NULL || msgstr == NULL)
600 		return (KMF_ERR_BAD_PARAMETER);
601 
602 	*msgstr = NULL;
603 
604 	if (handle->lasterr.errcode == 0) {
605 		return (KMF_ERR_MISSING_ERRCODE);
606 	}
607 
608 	if (handle->lasterr.kstype == -1) { /* System error */
609 		char *str = strerror(handle->lasterr.errcode);
610 		if (str != NULL) {
611 			*msgstr = strdup(str);
612 			if ((*msgstr) == NULL)
613 				return (KMF_ERR_MEMORY);
614 		}
615 		return (KMF_OK);
616 	}
617 
618 	plugin = FindPlugin(handle, handle->lasterr.kstype);
619 	if (plugin == NULL)
620 		return (KMF_ERR_PLUGIN_NOTFOUND);
621 
622 	if (plugin->funclist->GetErrorString != NULL) {
623 		ret = plugin->funclist->GetErrorString(handle, msgstr);
624 	} else {
625 		return (KMF_ERR_FUNCTION_NOT_FOUND);
626 	}
627 
628 	return (ret);
629 }
630 
631 
632 #define	SET_SYS_ERROR(h, c) if (h) {\
633 	h->lasterr.kstype = -1;\
634 	h->lasterr.errcode = c;\
635 }
636 
637 KMF_RETURN
638 kmf_read_input_file(KMF_HANDLE_T handle, char *filename,  KMF_DATA *pdata)
639 {
640 	struct stat s;
641 	long nread, total = 0;
642 	int fd;
643 	unsigned char *buf = NULL;
644 	KMF_RETURN ret;
645 
646 	if (handle) {
647 		CLEAR_ERROR(handle, ret);
648 		if (ret != KMF_OK)
649 			return (ret);
650 	}
651 
652 	if (filename == NULL || pdata == NULL) {
653 		return (KMF_ERR_BAD_PARAMETER);
654 	}
655 
656 	if ((fd = open(filename, O_RDONLY)) < 0) {
657 		SET_SYS_ERROR(handle, errno);
658 		return (KMF_ERR_OPEN_FILE);
659 	}
660 
661 	if (fstat(fd, &s) < 0) {
662 		SET_SYS_ERROR(handle, errno);
663 		(void) close(fd);
664 		return (KMF_ERR_OPEN_FILE);
665 	}
666 
667 	if ((buf = (unsigned char *) malloc(s.st_size)) == NULL) {
668 		(void) close(fd);
669 		return (KMF_ERR_MEMORY);
670 	}
671 
672 	do {
673 		nread = read(fd, buf+total, s.st_size-total);
674 		if (nread < 0) {
675 			SET_SYS_ERROR(handle, errno);
676 			(void) close(fd);
677 			free(buf);
678 			return (KMF_ERR_INTERNAL);
679 		}
680 		total += nread;
681 	} while (total < s.st_size);
682 
683 	pdata->Data = buf;
684 	pdata->Length = s.st_size;
685 	(void) close(fd);
686 	return (KMF_OK);
687 }
688 
689 /*
690  *
691  * Name: kmf_der_to_pem
692  *
693  * Description:
694  *   Function for converting DER encoded format to PEM encoded format
695  *
696  * Parameters:
697  *   type(input) - CERTIFICATE or CSR
698  *   data(input) - pointer to the DER encoded data
699  *   len(input)  - length of input data
700  *   out(output) - contains the output buffer address to be returned
701  *   outlen(output) - pointer to the returned output length
702  *
703  * Returns:
704  *   A KMF_RETURN value indicating success or specifying a particular
705  * error condition.
706  *   The value KMF_OK indicates success. All other values represent
707  * an error condition.
708  *
709  */
710 KMF_RETURN
711 kmf_der_to_pem(KMF_OBJECT_TYPE type, unsigned char *data,
712 	int len, unsigned char **out, int *outlen)
713 {
714 
715 	KMF_RETURN err;
716 	if (data == NULL || out == NULL || outlen == NULL)
717 		return (KMF_ERR_BAD_PARAMETER);
718 
719 	err = Der2Pem(type, data, len, out, outlen);
720 	return (err);
721 
722 }
723 
724 /*
725  *
726  * Name: kmf_pem_to_der
727  *
728  * Description:
729  *   Function for converting PEM encoded format to DER encoded format
730  *
731  * Parameters:
732  *   in(input) - pointer to the PEM encoded data
733  *   inlen(input)  - length of input data
734  *   out(output) - contains the output buffer address to be returned
735  *   outlen(output) - pointer to the returned output length
736  *
737  * Returns:
738  *   A KMF_RETURN value indicating success or specifying a particular
739  *   error condition.
740  *   The value KMF_OK indicates success. All other values represent
741  *   an error condition.
742  *
743  */
744 KMF_RETURN
745 kmf_pem_to_der(unsigned char *in, int inlen,
746 	unsigned char **out, int *outlen)
747 {
748 	KMF_RETURN err;
749 	if (in == NULL || out == NULL || outlen == NULL)
750 		return (KMF_ERR_BAD_PARAMETER);
751 
752 	err = Pem2Der(in, inlen, out, outlen);
753 	return (err);
754 }
755 
756 char *
757 kmf_oid_to_string(KMF_OID *oid)
758 {
759 	char numstr[128];
760 	uint32_t number;
761 	int numshift;
762 	uint32_t i, string_length;
763 	uchar_t *cp;
764 	char *bp;
765 
766 	/* First determine the size of the string */
767 	string_length = 0;
768 	number = 0;
769 	numshift = 0;
770 	cp = (unsigned char *)oid->Data;
771 
772 	number = (uint32_t)cp[0];
773 	(void) sprintf(numstr, "%d ", number/40);
774 
775 	string_length += strlen(numstr);
776 	(void) sprintf(numstr, "%d ", number%40);
777 
778 	string_length += strlen(numstr);
779 
780 	for (i = 1; i < oid->Length; i++) {
781 		if ((uint32_t)(numshift+7) < (sizeof (uint32_t)*8)) {
782 			number = (number << 7) | (cp[i] & 0x7f);
783 			numshift += 7;
784 		} else {
785 			return (NULL);
786 		}
787 
788 		if ((cp[i] & 0x80) == 0) {
789 			(void) sprintf(numstr, "%d ", number);
790 			string_length += strlen(numstr);
791 			number = 0;
792 			numshift = 0;
793 		}
794 	}
795 	/*
796 	 * If we get here, we've calculated the length of "n n n ... n ".  Add 4
797 	 * here for "{ " and "}\0".
798 	 */
799 	string_length += 4;
800 	if ((bp = (char *)malloc(string_length))) {
801 		number = (uint32_t)cp[0];
802 
803 		(void) sprintf(numstr, "%d.", number/40);
804 		(void) strcpy(bp, numstr);
805 
806 		(void) sprintf(numstr, "%d.", number%40);
807 		(void) strcat(bp, numstr);
808 
809 		number = 0;
810 		cp = (unsigned char *) oid->Data;
811 		for (i = 1; i < oid->Length; i++) {
812 			number = (number << 7) | (cp[i] & 0x7f);
813 			if ((cp[i] & 0x80) == 0) {
814 				(void) sprintf(numstr, "%d", number);
815 				(void) strcat(bp, numstr);
816 				number = 0;
817 				if (i+1 < oid->Length)
818 					(void) strcat(bp, ".");
819 			}
820 		}
821 	}
822 	return (bp);
823 }
824 
825 static boolean_t
826 check_for_pem(uchar_t *buf, KMF_ENCODE_FORMAT *fmt)
827 {
828 	char *p;
829 	int i;
830 
831 	if (buf == NULL)
832 		return (FALSE);
833 
834 	for (i = 0; i < 8 && isascii(buf[i]); i++)
835 		/* loop to make sure this is ascii */;
836 	if (i != 8)
837 		return (FALSE);
838 
839 	if (memcmp(buf, "Bag Attr", 8) == 0) {
840 		*fmt = KMF_FORMAT_PEM_KEYPAIR;
841 		return (TRUE);
842 	}
843 
844 	/* Look for "-----BEGIN" right after a newline */
845 	p = strtok((char *)buf, "\n");
846 	while (p != NULL) {
847 		if (strstr(p, "-----BEGIN") != NULL) {
848 			*fmt = KMF_FORMAT_PEM;
849 			/* Restore the buffer */
850 			buf[strlen(p)] = '\n';
851 			return (TRUE);
852 		}
853 		buf[strlen(p)] = '\n';
854 		p = strtok(NULL, "\n");
855 	}
856 	return (FALSE);
857 }
858 
859 
860 static unsigned char pkcs12_version[3] = {0x02, 0x01, 0x03};
861 static unsigned char pkcs12_oid[11] =
862 {0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01};
863 
864 /*
865  * This function takes a BER encoded string as input and checks the version
866  * and the oid in the the top-level ASN.1 structure to see if it complies to
867  * the PKCS#12 Syntax.
868  */
869 static boolean_t
870 check_for_pkcs12(uchar_t *buf, int buf_len)
871 {
872 	int index = 0;
873 	int length_octets;
874 
875 	if (buf == NULL || buf_len <= 0)
876 		return (FALSE);
877 
878 	/*
879 	 * The top level structure for a PKCS12 string:
880 	 *
881 	 * PFX ::= SEQUENCE {
882 	 *	version		INTEGER {v3(3)}(v3,...)
883 	 *	authSafe	ContentInfo
884 	 *	macData		MacData OPTIONAL
885 	 * }
886 	 *
887 	 * ContentInfo
888 	 *	FROM PKCS-7 {iso(1) member-body(2) us(840) rsadsi(113549)
889 	 *		pkcs(1) pkcs-7(7) modules(0) pkcs-7(1)}
890 	 *
891 	 * Therefore, the BER/DER dump of a PKCS#12 file for the first 2
892 	 * sequences up to the oid part is as following:
893 	 *
894 	 *	SEQUENCE {
895 	 *	    INTEGER 3
896 	 *	    SEQUENCE {
897 	 *		OBJECT IDENTIFIER data (1 2 840 113549 1 7 1)
898 	 */
899 
900 	/*
901 	 * Check the first sequence and calculate the number of bytes used
902 	 * to store the length.
903 	 */
904 	if (buf[index++] != 0x30)
905 		return (FALSE);
906 
907 	if (buf[index] & 0x80) {
908 		length_octets = buf[index++] & 0x0F;  /* long form */
909 	} else {
910 		length_octets = 1; /* short form */
911 	}
912 
913 	index += length_octets;
914 	if (index  >= buf_len)
915 		return (FALSE);
916 
917 	/* Skip the length octets and check the pkcs12 version */
918 	if (memcmp(buf + index, pkcs12_version, sizeof (pkcs12_version)) != 0)
919 		return (FALSE);
920 
921 	index += sizeof (pkcs12_version);
922 	if (index  >= buf_len)
923 		return (FALSE);
924 
925 	/*
926 	 * Check the 2nd sequence and calculate the number of bytes used
927 	 * to store the length.
928 	 */
929 	if ((buf[index++] & 0xFF) != 0x30)
930 		return (FALSE);
931 
932 	if (buf[index] & 0x80) {
933 		length_octets = buf[index++] & 0x0F;
934 	} else {
935 		length_octets = 1;
936 	}
937 
938 	index += length_octets;
939 	if (index + sizeof (pkcs12_oid) >= buf_len)
940 		return (FALSE);
941 
942 	/* Skip the length octets and check the oid */
943 	if (memcmp(buf + index, pkcs12_oid, sizeof (pkcs12_oid)) != 0)
944 		return (FALSE);
945 	else
946 		return (TRUE);
947 }
948 
949 KMF_RETURN
950 kmf_get_data_format(KMF_DATA *data, KMF_ENCODE_FORMAT *fmt)
951 {
952 	uchar_t *buf = data->Data;
953 
954 	if (check_for_pkcs12(buf, data->Length) == TRUE) {
955 		*fmt = KMF_FORMAT_PKCS12;
956 	} else if (buf[0] == 0x30 && (buf[1] & 0x80)) {
957 		/* It is most likely a generic ASN.1 encoded file */
958 		*fmt = KMF_FORMAT_ASN1;
959 	} else if (check_for_pem(buf, fmt) != TRUE) {
960 		/* Cannot determine this file format */
961 		*fmt = KMF_FORMAT_UNDEF;
962 		return (KMF_ERR_ENCODING);
963 	}
964 	return (KMF_OK);
965 }
966 
967 KMF_RETURN
968 kmf_get_file_format(char *filename, KMF_ENCODE_FORMAT *fmt)
969 {
970 	KMF_RETURN ret = KMF_OK;
971 	KMF_DATA filebuf = {NULL, 0};
972 
973 	if (filename == NULL || !strlen(filename) || fmt == NULL)
974 		return (KMF_ERR_BAD_PARAMETER);
975 
976 	*fmt = 0;
977 	ret = kmf_read_input_file(NULL, filename, &filebuf);
978 	if (ret != KMF_OK)
979 		return (ret);
980 
981 	if (filebuf.Length < 8) {
982 		ret = KMF_ERR_ENCODING; /* too small */
983 		goto end;
984 	}
985 
986 	ret = kmf_get_data_format(&filebuf, fmt);
987 end:
988 	kmf_free_data(&filebuf);
989 	return (ret);
990 }
991 
992 KMF_RETURN
993 kmf_hexstr_to_bytes(unsigned char *hexstr, unsigned char **bytes,
994 	size_t *outlen)
995 {
996 	KMF_RETURN ret = KMF_OK;
997 	unsigned char *buf = NULL;
998 	int len, stringlen;
999 	int i;
1000 	unsigned char ch;
1001 
1002 	if (hexstr == NULL) {
1003 		return (KMF_ERR_BAD_PARAMETER);
1004 	}
1005 
1006 	if (hexstr[0] == '0' && ((hexstr[1] == 'x') || (hexstr[1] == 'X')))
1007 		hexstr += 2;
1008 
1009 	for (i = 0; i < strlen((char *)hexstr) && isxdigit(hexstr[i]); i++)
1010 		/* empty body */
1011 		;
1012 	/*
1013 	 * If all the characters are not legitimate hex chars,
1014 	 * return an error.
1015 	 */
1016 	if (i != strlen((char *)hexstr))
1017 		return (KMF_ERR_BAD_HEX_STRING);
1018 	stringlen = i;
1019 	len = (i / 2) + (i % 2);
1020 
1021 	buf = malloc(len);
1022 	if (buf == NULL) {
1023 		return (KMF_ERR_MEMORY);
1024 	}
1025 	(void) memset(buf, 0, len);
1026 
1027 	for (i = 0; i < stringlen; i++) {
1028 		ch = (unsigned char) *hexstr;
1029 		hexstr++;
1030 		if ((ch >= '0') && (ch <= '9'))
1031 			ch -= '0';
1032 		else if ((ch >= 'A') && (ch <= 'F'))
1033 			ch = ch - 'A' + 10;
1034 		else if ((ch >= 'a') && (ch <= 'f'))
1035 			ch = ch - 'a' + 10;
1036 		else {
1037 			ret = KMF_ERR_BAD_HEX_STRING;
1038 			goto out;
1039 		}
1040 
1041 		if (i & 1) {
1042 			buf[i/2] |= ch;
1043 		} else {
1044 			buf[i/2] = (ch << 4);
1045 		}
1046 	}
1047 
1048 	*bytes = buf;
1049 	*outlen = len;
1050 out:
1051 	if (buf != NULL && ret != KMF_OK) {
1052 		free(buf);
1053 	}
1054 	return (ret);
1055 }
1056 
1057 void
1058 kmf_free_dn(KMF_X509_NAME *name)
1059 {
1060 	KMF_X509_RDN 		*newrdn = NULL;
1061 	KMF_X509_TYPE_VALUE_PAIR *av = NULL;
1062 	int i, j;
1063 
1064 	if (name && name->numberOfRDNs) {
1065 		for (i = 0; i < name->numberOfRDNs; i++) {
1066 			newrdn = &name->RelativeDistinguishedName[i];
1067 			for (j = 0; j < newrdn->numberOfPairs; j++) {
1068 				av = &newrdn->AttributeTypeAndValue[j];
1069 				kmf_free_data(&av->type);
1070 				kmf_free_data(&av->value);
1071 			}
1072 			free(newrdn->AttributeTypeAndValue);
1073 			newrdn->numberOfPairs = 0;
1074 			newrdn->AttributeTypeAndValue = NULL;
1075 		}
1076 		free(name->RelativeDistinguishedName);
1077 		name->numberOfRDNs = 0;
1078 		name->RelativeDistinguishedName = NULL;
1079 	}
1080 }
1081 
1082 void
1083 kmf_free_kmf_cert(KMF_HANDLE_T handle, KMF_X509_DER_CERT *kmf_cert)
1084 {
1085 	KMF_PLUGIN *plugin;
1086 	KMF_RETURN ret;
1087 
1088 	CLEAR_ERROR(handle, ret);
1089 	if (ret != KMF_OK)
1090 		return;
1091 
1092 	if (kmf_cert == NULL)
1093 		return;
1094 
1095 	plugin = FindPlugin(handle, kmf_cert->kmf_private.keystore_type);
1096 
1097 	if (plugin != NULL && plugin->funclist->FreeKMFCert != NULL) {
1098 		plugin->funclist->FreeKMFCert(handle, kmf_cert);
1099 	}
1100 }
1101 
1102 void
1103 kmf_free_data(KMF_DATA *datablock)
1104 {
1105 	if (datablock != NULL && datablock->Data != NULL) {
1106 		free(datablock->Data);
1107 		datablock->Data = NULL;
1108 		datablock->Length = 0;
1109 	}
1110 }
1111 
1112 void
1113 kmf_free_algoid(KMF_X509_ALGORITHM_IDENTIFIER *algoid)
1114 {
1115 	if (algoid == NULL)
1116 		return;
1117 	kmf_free_data(&algoid->algorithm);
1118 	kmf_free_data(&algoid->parameters);
1119 }
1120 
1121 void
1122 kmf_free_extn(KMF_X509_EXTENSION *exptr)
1123 {
1124 	if (exptr == NULL)
1125 		return;
1126 
1127 	kmf_free_data((KMF_DATA *)&exptr->extnId);
1128 	kmf_free_data(&exptr->BERvalue);
1129 
1130 	if (exptr->value.tagAndValue) {
1131 		kmf_free_data(&exptr->value.tagAndValue->value);
1132 		free(exptr->value.tagAndValue);
1133 	}
1134 }
1135 
1136 void
1137 kmf_free_tbs_csr(KMF_TBS_CSR *tbscsr)
1138 {
1139 	if (tbscsr) {
1140 		kmf_free_data(&tbscsr->version);
1141 
1142 		kmf_free_dn(&tbscsr->subject);
1143 
1144 		kmf_free_algoid(&tbscsr->subjectPublicKeyInfo.algorithm);
1145 		kmf_free_data(&tbscsr->subjectPublicKeyInfo.subjectPublicKey);
1146 
1147 		free_extensions(&tbscsr->extensions);
1148 	}
1149 }
1150 
1151 void
1152 kmf_free_signed_csr(KMF_CSR_DATA *csr)
1153 {
1154 	if (csr) {
1155 		kmf_free_tbs_csr(&csr->csr);
1156 
1157 		kmf_free_algoid(&csr->signature.algorithmIdentifier);
1158 		kmf_free_data(&csr->signature.encrypted);
1159 	}
1160 }
1161 
1162 static void
1163 free_validity(KMF_X509_VALIDITY *validity)
1164 {
1165 	if (validity == NULL)
1166 		return;
1167 	kmf_free_data(&validity->notBefore.time);
1168 	kmf_free_data(&validity->notAfter.time);
1169 }
1170 
1171 static void
1172 free_extensions(KMF_X509_EXTENSIONS *extns)
1173 {
1174 	int i;
1175 	KMF_X509_EXTENSION *exptr;
1176 
1177 	if (extns && extns->numberOfExtensions > 0) {
1178 		for (i = 0; i < extns->numberOfExtensions; i++) {
1179 			exptr = &extns->extensions[i];
1180 			kmf_free_extn(exptr);
1181 		}
1182 		free(extns->extensions);
1183 		extns->numberOfExtensions = 0;
1184 		extns->extensions = NULL;
1185 	}
1186 }
1187 
1188 void
1189 kmf_free_tbs_cert(KMF_X509_TBS_CERT *tbscert)
1190 {
1191 	if (tbscert) {
1192 		kmf_free_data(&tbscert->version);
1193 		kmf_free_bigint(&tbscert->serialNumber);
1194 		kmf_free_algoid(&tbscert->signature);
1195 
1196 		kmf_free_dn(&tbscert->issuer);
1197 		kmf_free_dn(&tbscert->subject);
1198 
1199 		free_validity(&tbscert->validity);
1200 
1201 		kmf_free_data(&tbscert->issuerUniqueIdentifier);
1202 		kmf_free_data(&tbscert->subjectUniqueIdentifier);
1203 
1204 		kmf_free_algoid(&tbscert->subjectPublicKeyInfo.algorithm);
1205 		kmf_free_data(&tbscert->subjectPublicKeyInfo.subjectPublicKey);
1206 
1207 		free_extensions(&tbscert->extensions);
1208 
1209 		kmf_free_data(&tbscert->issuerUniqueIdentifier);
1210 		kmf_free_data(&tbscert->subjectUniqueIdentifier);
1211 	}
1212 }
1213 
1214 void
1215 kmf_free_signed_cert(KMF_X509_CERTIFICATE *certptr)
1216 {
1217 	if (!certptr)
1218 		return;
1219 
1220 	kmf_free_tbs_cert(&certptr->certificate);
1221 
1222 	kmf_free_algoid(&certptr->signature.algorithmIdentifier);
1223 	kmf_free_data(&certptr->signature.encrypted);
1224 }
1225 
1226 void
1227 kmf_free_str(char *pstr)
1228 {
1229 	if (pstr != NULL)
1230 		free(pstr);
1231 }
1232 
1233 void
1234 free_keyidlist(KMF_OID *oidlist, int len)
1235 {
1236 	int i;
1237 	for (i = 0; i < len; i++) {
1238 		kmf_free_data((KMF_DATA *)&oidlist[i]);
1239 	}
1240 	free(oidlist);
1241 }
1242 
1243 void
1244 kmf_free_eku(KMF_X509EXT_EKU *eptr)
1245 {
1246 	if (eptr && eptr->nEKUs > 0 && eptr->keyPurposeIdList != NULL)
1247 		free_keyidlist(eptr->keyPurposeIdList, eptr->nEKUs);
1248 }
1249 
1250 void
1251 kmf_free_spki(KMF_X509_SPKI *spki)
1252 {
1253 	if (spki != NULL) {
1254 		kmf_free_algoid(&spki->algorithm);
1255 		kmf_free_data(&spki->subjectPublicKey);
1256 	}
1257 }
1258 
1259 void
1260 kmf_free_kmf_key(KMF_HANDLE_T handle, KMF_KEY_HANDLE *key)
1261 {
1262 	KMF_PLUGIN *plugin;
1263 	KMF_RETURN ret;
1264 	KMF_ATTRIBUTE attlist[2]; /* only 2 attributes for DeleteKey op */
1265 	int i = 0;
1266 	boolean_t token_destroy = B_FALSE;
1267 
1268 	if (key == NULL)
1269 		return;
1270 
1271 	CLEAR_ERROR(handle, ret);
1272 	if (ret != KMF_OK)
1273 		return;
1274 
1275 	kmf_set_attr_at_index(attlist, i,
1276 	    KMF_KEY_HANDLE_ATTR, key, sizeof (KMF_KEY_HANDLE));
1277 	i++;
1278 
1279 	kmf_set_attr_at_index(attlist, i,
1280 	    KMF_DESTROY_BOOL_ATTR, &token_destroy, sizeof (boolean_t));
1281 	i++;
1282 
1283 	plugin = FindPlugin(handle, key->kstype);
1284 	if (plugin != NULL && plugin->funclist->DeleteKey != NULL) {
1285 		(void) plugin->funclist->DeleteKey(handle, i, attlist);
1286 	}
1287 
1288 	if (key->keylabel)
1289 		free(key->keylabel);
1290 
1291 	if (key->israw) {
1292 		kmf_free_raw_key(key->keyp);
1293 		free(key->keyp);
1294 	}
1295 
1296 	(void) memset(key, 0, sizeof (KMF_KEY_HANDLE));
1297 }
1298 
1299 void
1300 kmf_free_bigint(KMF_BIGINT *big)
1301 {
1302 	if (big != NULL && big->val != NULL) {
1303 		/* Clear it out before returning it to the pool */
1304 		(void) memset(big->val, 0x00, big->len);
1305 		free(big->val);
1306 		big->val = NULL;
1307 		big->len = 0;
1308 	}
1309 }
1310 
1311 static void
1312 free_raw_rsa(KMF_RAW_RSA_KEY *key)
1313 {
1314 	if (key == NULL)
1315 		return;
1316 	kmf_free_bigint(&key->mod);
1317 	kmf_free_bigint(&key->pubexp);
1318 	kmf_free_bigint(&key->priexp);
1319 	kmf_free_bigint(&key->prime1);
1320 	kmf_free_bigint(&key->prime2);
1321 	kmf_free_bigint(&key->exp1);
1322 	kmf_free_bigint(&key->exp2);
1323 	kmf_free_bigint(&key->coef);
1324 }
1325 
1326 static void
1327 free_raw_dsa(KMF_RAW_DSA_KEY *key)
1328 {
1329 	if (key == NULL)
1330 		return;
1331 	kmf_free_bigint(&key->prime);
1332 	kmf_free_bigint(&key->subprime);
1333 	kmf_free_bigint(&key->base);
1334 	kmf_free_bigint(&key->value);
1335 }
1336 
1337 static void
1338 free_raw_sym(KMF_RAW_SYM_KEY *key)
1339 {
1340 	if (key == NULL)
1341 		return;
1342 	kmf_free_bigint(&key->keydata);
1343 }
1344 
1345 void
1346 kmf_free_raw_key(KMF_RAW_KEY_DATA *key)
1347 {
1348 	if (key == NULL)
1349 		return;
1350 
1351 	switch (key->keytype) {
1352 	case KMF_RSA:
1353 		free_raw_rsa(&key->rawdata.rsa);
1354 		break;
1355 	case KMF_DSA:
1356 		free_raw_dsa(&key->rawdata.dsa);
1357 		break;
1358 	case KMF_AES:
1359 	case KMF_RC4:
1360 	case KMF_DES:
1361 	case KMF_DES3:
1362 		free_raw_sym(&key->rawdata.sym);
1363 		break;
1364 	}
1365 	if (key->label) {
1366 		free(key->label);
1367 		key->label = NULL;
1368 	}
1369 	kmf_free_data(&key->id);
1370 }
1371 
1372 void
1373 kmf_free_raw_sym_key(KMF_RAW_SYM_KEY *key)
1374 {
1375 	if (key == NULL)
1376 		return;
1377 	kmf_free_bigint(&key->keydata);
1378 	free(key);
1379 }
1380 
1381 /*
1382  * This function frees the space allocated for the name portion of a
1383  * KMF_CRL_DIST_POINT.
1384  */
1385 void
1386 free_dp_name(KMF_CRL_DIST_POINT *dp)
1387 {
1388 	KMF_GENERALNAMES *fullname;
1389 	KMF_DATA *urldata;
1390 	int i;
1391 
1392 	if (dp == NULL)
1393 		return;
1394 
1395 	/* For phase 1, we only need to free the fullname space. */
1396 	fullname = &(dp->name.full_name);
1397 	if (fullname->number == 0)
1398 		return;
1399 
1400 	for (i = 0; i < fullname->number; i++) {
1401 		urldata = &(fullname->namelist[fullname->number - 1].name);
1402 		kmf_free_data(urldata);
1403 	}
1404 
1405 	free(fullname->namelist);
1406 }
1407 
1408 /*
1409  * This function frees the space allocated for a KMF_CRL_DIST_POINT.
1410  */
1411 void
1412 free_dp(KMF_CRL_DIST_POINT *dp)
1413 {
1414 	if (dp == NULL)
1415 		return;
1416 
1417 	free_dp_name(dp);
1418 	kmf_free_data(&(dp->reasons));
1419 	/* Need not to free crl_issuer space at phase 1 */
1420 }
1421 
1422 /*
1423  * This function frees space for a KMF_X509EXT_CRLDISTPOINTS internally.
1424  */
1425 void
1426 kmf_free_crl_dist_pts(KMF_X509EXT_CRLDISTPOINTS *crl_dps)
1427 {
1428 	int i;
1429 
1430 	if (crl_dps == NULL)
1431 		return;
1432 
1433 	for (i = 0; i < crl_dps->number; i++)
1434 		free_dp(&(crl_dps->dplist[i]));
1435 
1436 	free(crl_dps->dplist);
1437 }
1438 
1439 KMF_RETURN
1440 kmf_create_ocsp_request(KMF_HANDLE_T handle,
1441 	int	num_args,
1442 	KMF_ATTRIBUTE	*attrlist)
1443 {
1444 	KMF_RETURN ret = KMF_OK;
1445 	KMF_PLUGIN *plugin;
1446 	KMF_RETURN (*createReqFn)(void *, int num_args,
1447 	    KMF_ATTRIBUTE *attrlist);
1448 
1449 	KMF_ATTRIBUTE_TESTER required_attrs[] = {
1450 		{KMF_OCSP_REQUEST_FILENAME_ATTR, FALSE, 1, 0},
1451 		{KMF_USER_CERT_DATA_ATTR, FALSE, sizeof (KMF_DATA),
1452 			sizeof (KMF_DATA)},
1453 		{KMF_ISSUER_CERT_DATA_ATTR, FALSE, sizeof (KMF_DATA),
1454 			sizeof (KMF_DATA)},
1455 	};
1456 
1457 	int num_req_attrs = sizeof (required_attrs) /
1458 	    sizeof (KMF_ATTRIBUTE_TESTER);
1459 
1460 	if (handle == NULL)
1461 		return (KMF_ERR_BAD_PARAMETER);
1462 
1463 	CLEAR_ERROR(handle, ret);
1464 
1465 	ret = test_attributes(num_req_attrs, required_attrs,
1466 	    0, NULL, num_args, attrlist);
1467 
1468 	if (ret != KMF_OK)
1469 		return (ret);
1470 
1471 	/*
1472 	 * This framework function is actually implemented in the openssl
1473 	 * plugin library, so we find the function address and call it.
1474 	 */
1475 	plugin = FindPlugin(handle, KMF_KEYSTORE_OPENSSL);
1476 	if (plugin == NULL || plugin->dldesc == NULL) {
1477 		return (KMF_ERR_PLUGIN_NOTFOUND);
1478 	}
1479 
1480 	createReqFn = (KMF_RETURN(*)())dlsym(plugin->dldesc,
1481 	    "OpenSSL_CreateOCSPRequest");
1482 	if (createReqFn == NULL) {
1483 		return (KMF_ERR_FUNCTION_NOT_FOUND);
1484 	}
1485 
1486 	return (createReqFn(handle, num_args, attrlist));
1487 
1488 }
1489 
1490 KMF_RETURN
1491 kmf_get_ocsp_status_for_cert(KMF_HANDLE_T handle,
1492 	int	num_args,
1493 	KMF_ATTRIBUTE	*attrlist)
1494 {
1495 	KMF_RETURN ret = KMF_OK;
1496 	KMF_PLUGIN *plugin;
1497 	KMF_RETURN (*getCertStatusFn)(void *, int num_args,
1498 	    KMF_ATTRIBUTE *attrlist);
1499 
1500 	KMF_ATTRIBUTE_TESTER required_attrs[] = {
1501 		{KMF_USER_CERT_DATA_ATTR, FALSE, sizeof (KMF_DATA),
1502 			sizeof (KMF_DATA)},
1503 		{KMF_ISSUER_CERT_DATA_ATTR, FALSE, sizeof (KMF_DATA),
1504 			sizeof (KMF_DATA)},
1505 		{KMF_OCSP_RESPONSE_DATA_ATTR, FALSE, sizeof (KMF_DATA),
1506 			sizeof (KMF_DATA)},
1507 		{KMF_OCSP_RESPONSE_STATUS_ATTR, FALSE, sizeof (int),
1508 			sizeof (uint32_t)},
1509 		{KMF_OCSP_RESPONSE_REASON_ATTR, FALSE, sizeof (int),
1510 			sizeof (uint32_t)},
1511 		{KMF_OCSP_RESPONSE_CERT_STATUS_ATTR, FALSE, sizeof (int),
1512 			sizeof (uint32_t)},
1513 	};
1514 
1515 	int num_req_attrs = sizeof (required_attrs) /
1516 	    sizeof (KMF_ATTRIBUTE_TESTER);
1517 
1518 	if (handle == NULL)
1519 		return (KMF_ERR_BAD_PARAMETER);
1520 
1521 	CLEAR_ERROR(handle, ret);
1522 
1523 	ret = test_attributes(num_req_attrs, required_attrs,
1524 	    0, NULL, num_args, attrlist);
1525 
1526 	if (ret != KMF_OK)
1527 		return (ret);
1528 
1529 	/*
1530 	 * This framework function is actually implemented in the openssl
1531 	 * plugin library, so we find the function address and call it.
1532 	 */
1533 	plugin = FindPlugin(handle, KMF_KEYSTORE_OPENSSL);
1534 	if (plugin == NULL || plugin->dldesc == NULL) {
1535 		return (KMF_ERR_INTERNAL);
1536 	}
1537 
1538 	getCertStatusFn = (KMF_RETURN(*)())dlsym(plugin->dldesc,
1539 	    "OpenSSL_GetOCSPStatusForCert");
1540 	if (getCertStatusFn == NULL) {
1541 		return (KMF_ERR_INTERNAL);
1542 	}
1543 
1544 	return (getCertStatusFn(handle, num_args, attrlist));
1545 
1546 }
1547 
1548 KMF_RETURN
1549 kmf_string_to_oid(char *oidstring, KMF_OID *oid)
1550 {
1551 	KMF_RETURN rv = KMF_OK;
1552 	char *cp, *bp, *startp;
1553 	int numbuf;
1554 	int onumbuf;
1555 	int nbytes, index;
1556 	int len;
1557 	unsigned char *op;
1558 
1559 	if (oidstring == NULL || oid == NULL)
1560 		return (KMF_ERR_BAD_PARAMETER);
1561 
1562 	len = strlen(oidstring);
1563 
1564 	bp = oidstring;
1565 	cp = bp;
1566 	/* Skip over leading space */
1567 	while ((bp < &cp[len]) && isspace(*bp))
1568 		bp++;
1569 
1570 	startp = bp;
1571 	nbytes = 0;
1572 
1573 	/*
1574 	 * The first two numbers are chewed up by the first octet.
1575 	 */
1576 	if (sscanf(bp, "%d", &numbuf) != 1)
1577 		return (KMF_ERR_BAD_PARAMETER);
1578 	while ((bp < &cp[len]) && isdigit(*bp))
1579 		bp++;
1580 	while ((bp < &cp[len]) && (isspace(*bp) || *bp == '.'))
1581 		bp++;
1582 	if (sscanf(bp, "%d", &numbuf) != 1)
1583 		return (KMF_ERR_BAD_PARAMETER);
1584 	while ((bp < &cp[len]) && isdigit(*bp))
1585 		bp++;
1586 	while ((bp < &cp[len]) && (isspace(*bp) || *bp == '.'))
1587 		bp++;
1588 	nbytes++;
1589 
1590 	while (isdigit(*bp)) {
1591 		if (sscanf(bp, "%d", &numbuf) != 1)
1592 			return (KMF_ERR_BAD_PARAMETER);
1593 		while (numbuf) {
1594 			nbytes++;
1595 			numbuf >>= 7;
1596 		}
1597 		while ((bp < &cp[len]) && isdigit(*bp))
1598 			bp++;
1599 		while ((bp < &cp[len]) && (isspace(*bp) || *bp == '.'))
1600 			bp++;
1601 	}
1602 
1603 	oid->Length = nbytes;
1604 	oid->Data = malloc(oid->Length);
1605 	if (oid->Data == NULL) {
1606 		return (KMF_ERR_MEMORY);
1607 	}
1608 	(void) memset(oid->Data, 0, oid->Length);
1609 
1610 	op = oid->Data;
1611 
1612 	bp = startp;
1613 	(void) sscanf(bp, "%d", &numbuf);
1614 
1615 	while (isdigit(*bp)) bp++;
1616 	while (isspace(*bp) || *bp == '.') bp++;
1617 
1618 	onumbuf = 40 * numbuf;
1619 	(void) sscanf(bp, "%d", &numbuf);
1620 	onumbuf += numbuf;
1621 	*op = (unsigned char) onumbuf;
1622 	op++;
1623 
1624 	while (isdigit(*bp)) bp++;
1625 	while (isspace(*bp) || *bp == '.') bp++;
1626 	while (isdigit(*bp)) {
1627 		(void) sscanf(bp, "%d", &numbuf);
1628 		nbytes = 0;
1629 		/* Have to fill in the bytes msb-first */
1630 		onumbuf = numbuf;
1631 		while (numbuf) {
1632 			nbytes++;
1633 			numbuf >>= 7;
1634 		}
1635 		numbuf = onumbuf;
1636 		op += nbytes;
1637 		index = -1;
1638 		while (numbuf) {
1639 			op[index] = (unsigned char)numbuf & 0x7f;
1640 			if (index != -1)
1641 				op[index] |= 0x80;
1642 			index--;
1643 			numbuf >>= 7;
1644 		}
1645 		while (isdigit(*bp)) bp++;
1646 		while (isspace(*bp) || *bp == '.') bp++;
1647 	}
1648 
1649 	return (rv);
1650 }
1651 
1652 static KMF_RETURN
1653 encode_rid(char *name, KMF_DATA *derdata)
1654 {
1655 	KMF_RETURN rv = KMF_OK;
1656 
1657 	if (name == NULL || derdata == NULL)
1658 		return (KMF_ERR_BAD_PARAMETER);
1659 
1660 	rv = kmf_string_to_oid(name, (KMF_OID *)derdata);
1661 
1662 	return (rv);
1663 }
1664 
1665 static KMF_RETURN
1666 encode_ipaddr(char *name, KMF_DATA *derdata)
1667 {
1668 	KMF_RETURN rv = KMF_OK;
1669 	size_t len;
1670 	in_addr_t v4;
1671 	in6_addr_t v6;
1672 	uint8_t *ptr;
1673 
1674 	if (name == NULL || derdata == NULL)
1675 		return (KMF_ERR_BAD_PARAMETER);
1676 
1677 	v4 = inet_addr(name);
1678 	if (v4 == (in_addr_t)-1) {
1679 		ptr = (uint8_t *)&v6;
1680 		if (inet_pton(AF_INET6, name, ptr) != 1)
1681 			return (KMF_ERR_ENCODING);
1682 		len = sizeof (v6);
1683 	} else {
1684 		ptr = (uint8_t *)&v4;
1685 		len = sizeof (v4);
1686 	}
1687 
1688 	derdata->Data = malloc(len);
1689 	if (derdata->Data == NULL)
1690 		return (KMF_ERR_MEMORY);
1691 	(void) memcpy(derdata->Data, ptr, len);
1692 	derdata->Length = len;
1693 
1694 	return (rv);
1695 }
1696 
1697 static KMF_RETURN
1698 encode_krb5(char *name, KMF_DATA *derdata)
1699 {
1700 	KMF_RETURN rv = KMF_OK;
1701 	char *at, *realm;
1702 	BerElement *asn1 = NULL;
1703 	BerValue *extdata = NULL;
1704 
1705 	at = strchr(name, '@');
1706 	if (at == NULL)
1707 		return (KMF_ERR_ENCODING);
1708 
1709 	realm = at+1;
1710 	*at = 0;
1711 
1712 	if ((asn1 = kmfder_alloc()) == NULL)
1713 		return (KMF_ERR_MEMORY);
1714 
1715 	if (kmfber_printf(asn1, "{D{", &KMFOID_PKINIT_san) == -1)
1716 		goto cleanup;
1717 
1718 	if (kmfber_printf(asn1, "l", strlen(realm)) == -1)
1719 		goto cleanup;
1720 	if (kmfber_write(asn1, realm, strlen(realm), 0) != strlen(realm))
1721 		goto cleanup;
1722 	if (kmfber_printf(asn1, "l", strlen(name)) == -1)
1723 		goto cleanup;
1724 	if (kmfber_write(asn1, name, strlen(name), 0) != strlen(name))
1725 		goto cleanup;
1726 	if (kmfber_printf(asn1, "}}") == -1)
1727 		goto cleanup;
1728 
1729 	if (kmfber_flatten(asn1, &extdata) == -1) {
1730 		rv = KMF_ERR_ENCODING;
1731 		goto cleanup;
1732 	}
1733 
1734 	derdata->Data = (uchar_t *)extdata->bv_val;
1735 	derdata->Length = extdata->bv_len;
1736 
1737 	free(extdata);
1738 cleanup:
1739 	if (asn1 != NULL)
1740 		kmfber_free(asn1, 1);
1741 
1742 	if (*at == 0)
1743 		*at = '@';
1744 
1745 	return (rv);
1746 }
1747 
1748 static KMF_RETURN
1749 encode_sclogon(char *name, KMF_DATA *derdata)
1750 {
1751 	KMF_RETURN rv = KMF_OK;
1752 	BerElement *asn1 = NULL;
1753 	BerValue *extdata = NULL;
1754 
1755 	if ((asn1 = kmfder_alloc()) == NULL)
1756 		return (KMF_ERR_MEMORY);
1757 
1758 	/* The name is encoded as a KerberosString (IA5STRING) */
1759 	if (kmfber_printf(asn1, "{Ds}",
1760 	    &KMFOID_MS_KP_SCLogon, name) == -1)
1761 		goto cleanup;
1762 
1763 	if (kmfber_flatten(asn1, &extdata) == -1) {
1764 		rv = KMF_ERR_ENCODING;
1765 		goto cleanup;
1766 	}
1767 
1768 	derdata->Data = (uchar_t *)extdata->bv_val;
1769 	derdata->Length = extdata->bv_len;
1770 
1771 	free(extdata);
1772 cleanup:
1773 	if (asn1 != NULL)
1774 		kmfber_free(asn1, 1);
1775 
1776 	return (rv);
1777 }
1778 
1779 static KMF_RETURN
1780 verify_uri_format(char *uristring)
1781 {
1782 	KMF_RETURN ret = KMF_OK;
1783 	xmlURIPtr   uriptr = NULL;
1784 
1785 	/* Parse the URI string; get the hostname and port */
1786 	uriptr = xmlParseURI(uristring);
1787 	if (uriptr == NULL) {
1788 		ret = KMF_ERR_BAD_URI;
1789 		goto out;
1790 	}
1791 
1792 	if (uriptr->scheme == NULL || !strlen(uriptr->scheme)) {
1793 		ret = KMF_ERR_BAD_URI;
1794 		goto out;
1795 	}
1796 
1797 	if (uriptr->server == NULL || !strlen(uriptr->server)) {
1798 		ret = KMF_ERR_BAD_URI;
1799 		goto out;
1800 	}
1801 out:
1802 	if (uriptr != NULL)
1803 		xmlFreeURI(uriptr);
1804 	return (ret);
1805 }
1806 
1807 static KMF_RETURN
1808 encode_altname(char *namedata,
1809 	KMF_GENERALNAMECHOICES nametype, KMF_DATA *encodedname)
1810 {
1811 	KMF_RETURN ret = KMF_OK;
1812 	KMF_X509_NAME dnname;
1813 	uchar_t tagval;
1814 	BerElement *asn1 = NULL;
1815 	BerValue *extdata;
1816 
1817 	if (namedata == NULL || encodedname == NULL)
1818 		return (KMF_ERR_BAD_PARAMETER);
1819 
1820 	/*
1821 	 * Encode the namedata according to rules in RFC 3280 for GeneralName.
1822 	 * The input "namedata" is assumed to be an ASCII string representation
1823 	 * of the AltName, we need to convert it to correct ASN.1 here before
1824 	 * adding it to the cert.
1825 	 */
1826 	switch (nametype) {
1827 		case GENNAME_RFC822NAME: /* rfc 822 */
1828 			/* IA5String, no encoding needed */
1829 			encodedname->Data = (uchar_t *)strdup(namedata);
1830 			if (encodedname->Data == NULL)
1831 				return (KMF_ERR_MEMORY);
1832 			encodedname->Length = strlen(namedata);
1833 			tagval = (0x80 | nametype);
1834 			break;
1835 		case GENNAME_DNSNAME: /* rfc 1034 */
1836 			encodedname->Data = (uchar_t *)strdup(namedata);
1837 			if (encodedname->Data == NULL)
1838 				return (KMF_ERR_MEMORY);
1839 			encodedname->Length = strlen(namedata);
1840 			tagval = (0x80 | nametype);
1841 			break;
1842 		case GENNAME_URI: /* rfc 1738 */
1843 			ret = verify_uri_format(namedata);
1844 			if (ret != KMF_OK)
1845 				return (ret);
1846 			/* IA5String, no encoding needed */
1847 			encodedname->Data = (uchar_t *)strdup(namedata);
1848 			if (encodedname->Data == NULL)
1849 				return (KMF_ERR_MEMORY);
1850 			encodedname->Length = strlen(namedata);
1851 			tagval = (0x80 | nametype);
1852 			break;
1853 		case GENNAME_IPADDRESS:
1854 			ret =  encode_ipaddr(namedata, encodedname);
1855 			tagval = (0x80 | nametype);
1856 			break;
1857 		case GENNAME_REGISTEREDID:
1858 			ret = encode_rid(namedata, encodedname);
1859 			tagval = (0x80 | nametype);
1860 			break;
1861 		case GENNAME_DIRECTORYNAME:
1862 			ret = kmf_dn_parser(namedata, &dnname);
1863 			if (ret == KMF_OK) {
1864 				ret = DerEncodeName(&dnname, encodedname);
1865 			}
1866 			(void) kmf_free_dn(&dnname);
1867 			tagval = (0xA0 | nametype);
1868 			break;
1869 		case GENNAME_KRB5PRINC:
1870 			tagval = (0x80 | GENNAME_OTHERNAME);
1871 			ret = encode_krb5(namedata, encodedname);
1872 			break;
1873 		case GENNAME_SCLOGON_UPN:
1874 			tagval = (0x80 | GENNAME_OTHERNAME);
1875 			ret = encode_sclogon(namedata, encodedname);
1876 			break;
1877 		default:
1878 			/* unsupported */
1879 			return (KMF_ERR_BAD_PARAMETER);
1880 
1881 	}
1882 	if (ret != KMF_OK) {
1883 		kmf_free_data(encodedname);
1884 		return (ret);
1885 	}
1886 
1887 	if ((asn1 = kmfder_alloc()) == NULL)
1888 		return (KMF_ERR_MEMORY);
1889 
1890 	if (kmfber_printf(asn1, "Tl", tagval, encodedname->Length) == -1)
1891 		goto cleanup;
1892 
1893 	if (kmfber_write(asn1, (char *)encodedname->Data,
1894 	    encodedname->Length, 0) == -1) {
1895 		ret = KMF_ERR_ENCODING;
1896 		goto cleanup;
1897 	}
1898 	if (kmfber_flatten(asn1, &extdata) == -1) {
1899 		ret = KMF_ERR_ENCODING;
1900 		goto cleanup;
1901 	}
1902 
1903 	kmf_free_data(encodedname);
1904 	encodedname->Data = (uchar_t *)extdata->bv_val;
1905 	encodedname->Length = extdata->bv_len;
1906 
1907 	free(extdata);
1908 
1909 cleanup:
1910 	if (asn1)
1911 		kmfber_free(asn1, 1);
1912 
1913 	if (ret != KMF_OK)
1914 		kmf_free_data(encodedname);
1915 
1916 	return (ret);
1917 }
1918 
1919 KMF_X509_EXTENSION *
1920 FindExtn(KMF_X509_EXTENSIONS *exts, KMF_OID *oid)
1921 {
1922 	KMF_X509_EXTENSION *foundextn = NULL;
1923 	int i;
1924 
1925 	if (exts == NULL || oid == NULL)
1926 		return (NULL);
1927 
1928 	for (i = 0; i < exts->numberOfExtensions; i++) {
1929 		if (IsEqualOid(oid, &exts->extensions[i].extnId))  {
1930 			foundextn = &exts->extensions[i];
1931 			break;
1932 		}
1933 	}
1934 	return (foundextn);
1935 }
1936 
1937 KMF_RETURN
1938 GetSequenceContents(char *data, size_t len,
1939 	char **contents, size_t *outlen)
1940 {
1941 	KMF_RETURN ret = KMF_OK;
1942 	BerElement *exasn1 = NULL;
1943 	BerValue oldextn;
1944 	int tag;
1945 	size_t oldsize;
1946 	char *olddata = NULL;
1947 
1948 	if (data == NULL || contents == NULL || outlen == NULL)
1949 		return (KMF_ERR_BAD_PARAMETER);
1950 
1951 	/*
1952 	 * Decode the sequence of general names
1953 	 */
1954 	oldextn.bv_val = data;
1955 	oldextn.bv_len = len;
1956 
1957 	if ((exasn1 = kmfder_init(&oldextn)) == NULL) {
1958 		ret = KMF_ERR_MEMORY;
1959 		goto out;
1960 	}
1961 
1962 	/*
1963 	 * Unwrap the sequence to find the size of the block
1964 	 * of GeneralName items in the set.
1965 	 *
1966 	 * Peek at the tag and length ("tl"),
1967 	 * then consume them ("{").
1968 	 */
1969 	if (kmfber_scanf(exasn1, "tl{", &tag, &oldsize) == KMFBER_DEFAULT ||
1970 	    oldsize == 0) {
1971 		ret = KMF_ERR_ENCODING;
1972 		goto out;
1973 	}
1974 
1975 	olddata = malloc(oldsize);
1976 	if (olddata == NULL) {
1977 		ret = KMF_ERR_MEMORY;
1978 		goto out;
1979 	}
1980 	(void) memset(olddata, 0, oldsize);
1981 	/*
1982 	 * Read the entire blob of GeneralNames, we don't
1983 	 * need to interpret them now.
1984 	 */
1985 	if (kmfber_read(exasn1, olddata, oldsize) != oldsize) {
1986 		ret = KMF_ERR_ENCODING;
1987 		goto out;
1988 	}
1989 out:
1990 	if (exasn1 != NULL)
1991 		kmfber_free(exasn1, 1);
1992 
1993 	if (ret != KMF_OK) {
1994 		*contents = NULL;
1995 		*outlen = 0;
1996 		if (olddata != NULL)
1997 			free(olddata);
1998 	} else {
1999 		*contents = olddata;
2000 		*outlen = oldsize;
2001 	}
2002 	return (ret);
2003 }
2004 
2005 KMF_RETURN
2006 add_an_extension(KMF_X509_EXTENSIONS *exts, KMF_X509_EXTENSION *newextn)
2007 {
2008 	KMF_RETURN ret = KMF_OK;
2009 	KMF_X509_EXTENSION *extlist;
2010 
2011 	if (exts == NULL || newextn == NULL)
2012 		return (KMF_ERR_BAD_PARAMETER);
2013 
2014 	extlist = malloc(sizeof (KMF_X509_EXTENSION) *
2015 	    (exts->numberOfExtensions + 1));
2016 	if (extlist == NULL)
2017 		return (KMF_ERR_MEMORY);
2018 
2019 	(void) memcpy(extlist, exts->extensions,
2020 	    exts->numberOfExtensions * sizeof (KMF_X509_EXTENSION));
2021 
2022 	(void) memcpy(&extlist[exts->numberOfExtensions], newextn,
2023 	    sizeof (KMF_X509_EXTENSION));
2024 
2025 	free(exts->extensions);
2026 	exts->numberOfExtensions++;
2027 	exts->extensions = extlist;
2028 
2029 	return (ret);
2030 }
2031 
2032 KMF_RETURN
2033 kmf_set_altname(KMF_X509_EXTENSIONS *extensions,
2034 	KMF_OID *oid,
2035 	int critical,
2036 	KMF_GENERALNAMECHOICES nametype,
2037 	char *namedata)
2038 {
2039 	KMF_RETURN ret = KMF_OK;
2040 	KMF_X509_EXTENSION subjAltName;
2041 	KMF_DATA dername = { NULL, 0 };
2042 	BerElement *asn1 = NULL;
2043 	BerValue *extdata;
2044 	char *olddata = NULL;
2045 	KMF_X509_EXTENSION *foundextn = NULL;
2046 	size_t	oldsize = 0;
2047 
2048 	if (extensions == NULL || oid == NULL || namedata == NULL)
2049 		return (KMF_ERR_BAD_PARAMETER);
2050 
2051 	ret = encode_altname(namedata, nametype, &dername);
2052 
2053 	if (ret != KMF_OK)
2054 		return (ret);
2055 
2056 	(void) memset(&subjAltName, 0, sizeof (subjAltName));
2057 
2058 	ret = copy_data(&subjAltName.extnId, oid);
2059 	if (ret != KMF_OK)
2060 		goto out;
2061 	/*
2062 	 * Check to see if this cert already has a subjectAltName.
2063 	 */
2064 	foundextn = FindExtn(extensions, oid);
2065 
2066 	if (foundextn != NULL) {
2067 		ret = GetSequenceContents(
2068 		    (char *)foundextn->BERvalue.Data,
2069 		    foundextn->BERvalue.Length,
2070 		    &olddata, &oldsize);
2071 		if (ret != KMF_OK)
2072 			goto out;
2073 	}
2074 
2075 	/*
2076 	 * Assume (!!) that the namedata given is already properly encoded.
2077 	 */
2078 	if ((asn1 = kmfder_alloc()) == NULL)
2079 		return (KMF_ERR_MEMORY);
2080 
2081 	if (kmfber_printf(asn1, "{") == -1) {
2082 		ret = KMF_ERR_ENCODING;
2083 		goto out;
2084 	}
2085 
2086 	/* Write the old extension data first */
2087 	if (olddata != NULL && oldsize > 0) {
2088 		if (kmfber_write(asn1, olddata, oldsize, 0) == -1) {
2089 			ret = KMF_ERR_ENCODING;
2090 			goto out;
2091 		}
2092 	}
2093 
2094 	/* Now add the new name to the list */
2095 	if (kmfber_write(asn1, (char *)dername.Data, dername.Length, 0) == -1) {
2096 		ret = KMF_ERR_ENCODING;
2097 		goto out;
2098 	}
2099 
2100 	/* Now close the sequence */
2101 	if (kmfber_printf(asn1, "}") == -1) {
2102 		ret = KMF_ERR_ENCODING;
2103 		goto out;
2104 	}
2105 	if (kmfber_flatten(asn1, &extdata) == -1) {
2106 		ret = KMF_ERR_ENCODING;
2107 		goto out;
2108 	}
2109 
2110 	/*
2111 	 * If we are just adding to an existing list of altNames,
2112 	 * just replace the BER data associated with the found extension.
2113 	 */
2114 	if (foundextn != NULL) {
2115 		free(foundextn->BERvalue.Data);
2116 		foundextn->critical = critical;
2117 		foundextn->BERvalue.Data = (uchar_t *)extdata->bv_val;
2118 		foundextn->BERvalue.Length = extdata->bv_len;
2119 	} else {
2120 		subjAltName.critical = critical;
2121 		subjAltName.format = KMF_X509_DATAFORMAT_ENCODED;
2122 		subjAltName.BERvalue.Data = (uchar_t *)extdata->bv_val;
2123 		subjAltName.BERvalue.Length = extdata->bv_len;
2124 		ret = add_an_extension(extensions, &subjAltName);
2125 		if (ret != KMF_OK)
2126 			free(subjAltName.BERvalue.Data);
2127 	}
2128 
2129 	free(extdata);
2130 out:
2131 	if (olddata != NULL)
2132 		free(olddata);
2133 
2134 	kmf_free_data(&dername);
2135 	if (ret != KMF_OK)
2136 		kmf_free_data(&subjAltName.extnId);
2137 	if (asn1 != NULL)
2138 		kmfber_free(asn1, 1);
2139 	return (ret);
2140 }
2141 
2142 /*
2143  * Search a list of attributes for one that matches the given type.
2144  * Return a pointer into the attribute list.  This does not
2145  * return a copy of the value, it returns a reference into the
2146  * given list.
2147  */
2148 int
2149 kmf_find_attr(KMF_ATTR_TYPE type, KMF_ATTRIBUTE *attlist, int numattrs)
2150 {
2151 	int i;
2152 	for (i = 0; i < numattrs; i++) {
2153 		if (attlist[i].type == type)
2154 			return (i);
2155 	}
2156 	return (-1);
2157 }
2158 
2159 /*
2160  * Verify that a given attribute is consistent with the
2161  * "test" attribute.
2162  */
2163 static KMF_RETURN
2164 verify_attribute(KMF_ATTRIBUTE *givenattr,
2165 	KMF_ATTRIBUTE_TESTER *testattr)
2166 {
2167 	/* A NULL pValue was found where one is required */
2168 	if (testattr->null_value_ok == FALSE &&
2169 	    givenattr->pValue == NULL)
2170 		return (KMF_ERR_BAD_PARAMETER);
2171 
2172 	/* If the given valueLen is too small, return error */
2173 	if (givenattr->pValue != NULL &&
2174 	    testattr->minlen > 0 &&
2175 	    (givenattr->valueLen < testattr->minlen))
2176 		return (KMF_ERR_BAD_PARAMETER);
2177 
2178 	/* If the given valueLen is too big, return error */
2179 	if (givenattr->pValue != NULL &&
2180 	    testattr->maxlen > 0 &&
2181 	    (givenattr->valueLen > testattr->maxlen))
2182 		return (KMF_ERR_BAD_PARAMETER);
2183 
2184 	return (KMF_OK);
2185 }
2186 
2187 /*
2188  * Given a set of required attribute tests and optional
2189  * attributes, make sure that the actual attributes
2190  * being tested (attrlist below) are allowed and are
2191  * properly specified.
2192  */
2193 KMF_RETURN
2194 test_attributes(int reqnum, KMF_ATTRIBUTE_TESTER *reqattrs,
2195 	int optnum, KMF_ATTRIBUTE_TESTER *optattrs,
2196 	int numattrs, KMF_ATTRIBUTE *attrlist)
2197 {
2198 	KMF_RETURN ret = KMF_OK;
2199 	int i, idx;
2200 
2201 	/*
2202 	 * If the caller didn't supply enough attributes,
2203 	 * return an error.
2204 	 */
2205 	if (numattrs < reqnum || attrlist == NULL)
2206 		return (KMF_ERR_BAD_PARAMETER);
2207 
2208 	/*
2209 	 * Make sure all required attrs are present and
2210 	 * correct.
2211 	 */
2212 	for (i = 0; i < reqnum && ret == KMF_OK; i++) {
2213 		idx = kmf_find_attr(reqattrs[i].type, attrlist, numattrs);
2214 		/* If a required attr is not found, return error */
2215 		if (idx == -1) {
2216 			return (KMF_ERR_BAD_PARAMETER);
2217 		}
2218 
2219 		ret = verify_attribute(&attrlist[idx], &reqattrs[i]);
2220 	}
2221 	/*
2222 	 * Now test the optional parameters.
2223 	 */
2224 	for (i = 0; i < optnum && ret == KMF_OK; i++) {
2225 		idx = kmf_find_attr(optattrs[i].type, attrlist, numattrs);
2226 		/* If a optional attr is not found, continue. */
2227 		if (idx == -1) {
2228 			continue;
2229 		}
2230 
2231 		ret = verify_attribute(&attrlist[idx], &optattrs[i]);
2232 	}
2233 
2234 	return (ret);
2235 }
2236 
2237 /*
2238  * Given an already allocated attribute list, insert
2239  * the given attribute information at a specific index
2240  * in the list.
2241  */
2242 void
2243 kmf_set_attr_at_index(KMF_ATTRIBUTE *attlist, int index,
2244 	KMF_ATTR_TYPE type,  void *pValue, uint32_t len)
2245 {
2246 	if (attlist == NULL)
2247 		return;
2248 
2249 	attlist[index].type = type;
2250 	attlist[index].pValue = pValue;
2251 	attlist[index].valueLen = len;
2252 }
2253 
2254 /*
2255  * Find an attribute matching a particular type and set
2256  * the pValue and length fields to the given values.
2257  */
2258 KMF_RETURN
2259 kmf_set_attr(KMF_ATTRIBUTE *attlist, int numattr,
2260 	KMF_ATTR_TYPE type,  void *pValue, uint32_t len)
2261 {
2262 	int idx;
2263 	if (attlist == NULL)
2264 		return (KMF_ERR_BAD_PARAMETER);
2265 
2266 	idx = kmf_find_attr(type, attlist, numattr);
2267 	if (idx == -1)
2268 		return (KMF_ERR_ATTR_NOT_FOUND);
2269 
2270 	attlist[idx].type = type;
2271 	/* Assumes the attribute pValue can hold the result */
2272 	if (attlist[idx].pValue != NULL) {
2273 		if (attlist[idx].valueLen >= len)
2274 			(void) memcpy(attlist[idx].pValue, pValue, len);
2275 		else
2276 			return (KMF_ERR_BUFFER_SIZE);
2277 	}
2278 	attlist[idx].valueLen = len;
2279 	return (KMF_OK);
2280 }
2281 
2282 /*
2283  * Find a particular attribute in a list and return
2284  * a pointer to its value.
2285  */
2286 void *
2287 kmf_get_attr_ptr(KMF_ATTR_TYPE type, KMF_ATTRIBUTE *attlist,
2288 	int numattrs)
2289 {
2290 	int i;
2291 
2292 	i = kmf_find_attr(type, attlist, numattrs);
2293 	if (i == -1)
2294 		return (NULL);
2295 
2296 	return (attlist[i].pValue);
2297 }
2298 
2299 /*
2300  * Find a particular attribute in a list and return
2301  * the value and length values.  Value and length
2302  * may be NULL if the caller doesn't want their values
2303  * to be filled in.
2304  */
2305 KMF_RETURN
2306 kmf_get_attr(KMF_ATTR_TYPE type, KMF_ATTRIBUTE *attlist,
2307 	int numattrs, void *outValue, uint32_t *outlen)
2308 {
2309 	int i;
2310 	uint32_t len = 0;
2311 	uint32_t *lenptr = outlen;
2312 
2313 	if (lenptr == NULL)
2314 		lenptr = &len;
2315 
2316 	i = kmf_find_attr(type, attlist, numattrs);
2317 	if (i == -1)
2318 		return (KMF_ERR_ATTR_NOT_FOUND);
2319 
2320 	/* This assumes that the ptr passed in is pre-allocated space */
2321 	if (attlist[i].pValue != NULL && outValue != NULL) {
2322 		/*
2323 		 * If the caller did not specify a length,
2324 		 * assume "outValue" is big enough.
2325 		 */
2326 		if (outlen != NULL) {
2327 			if (*outlen >= attlist[i].valueLen)
2328 				(void) memcpy(outValue, attlist[i].pValue,
2329 				    attlist[i].valueLen);
2330 			else
2331 				return (KMF_ERR_BUFFER_SIZE);
2332 		} else {
2333 			(void) memcpy(outValue, attlist[i].pValue,
2334 			    attlist[i].valueLen);
2335 		}
2336 	}
2337 
2338 	if (outlen != NULL)
2339 		*outlen = attlist[i].valueLen;
2340 	return (KMF_OK);
2341 }
2342 
2343 /*
2344  * Utility routine to find a string type attribute, allocate it
2345  * and return the value to the caller.  This simplifies the
2346  * operation by doing both "kmf_get_attr" calls and avoids
2347  * duplicating this block of code in lots of places.
2348  */
2349 KMF_RETURN
2350 kmf_get_string_attr(KMF_ATTR_TYPE type, KMF_ATTRIBUTE *attrlist,
2351 	int numattrs, char **outstr)
2352 {
2353 	KMF_RETURN rv;
2354 	uint32_t len;
2355 
2356 	if (outstr == NULL)
2357 		return (KMF_ERR_BAD_PARAMETER);
2358 
2359 	if ((rv = kmf_get_attr(type, attrlist, numattrs, NULL, &len)) ==
2360 	    KMF_OK) {
2361 		*outstr = malloc(len + 1);
2362 		if ((*outstr) == NULL)
2363 			return (KMF_ERR_MEMORY);
2364 		(void) memset((*outstr), 0, len + 1);
2365 		rv = kmf_get_attr(type, attrlist, numattrs, (*outstr), &len);
2366 		if (rv != KMF_OK) {
2367 			free(*outstr);
2368 			*outstr = NULL;
2369 		}
2370 	}
2371 
2372 	return (rv);
2373 }
2374 
2375 
2376 void
2377 free_entry(conf_entry_t *entry)
2378 {
2379 	if (entry == NULL)
2380 		return;
2381 	free(entry->keystore);
2382 	free(entry->modulepath);
2383 	free(entry->option);
2384 }
2385 
2386 void
2387 free_entrylist(conf_entrylist_t *list)
2388 {
2389 	conf_entrylist_t *next;
2390 
2391 	while (list != NULL) {
2392 		next = list->next;
2393 		free_entry(list->entry);
2394 		free(list);
2395 		list = next;
2396 	}
2397 }
2398 
2399 static KMF_RETURN
2400 parse_entry(char *buf, conf_entry_t **entry)
2401 {
2402 	KMF_RETURN ret = KMF_OK;
2403 	conf_entry_t *tmp = NULL;
2404 	char *token1;
2405 	char *token2;
2406 	char *token3;
2407 	char *lasts;
2408 	char *value;
2409 
2410 	if ((token1 = strtok_r(buf, SEP_COLON, &lasts)) == NULL)
2411 		return (KMF_ERR_KMF_CONF);
2412 
2413 	if ((tmp = calloc(sizeof (conf_entry_t), 1)) == NULL)
2414 		return (KMF_ERR_MEMORY);
2415 
2416 	if ((tmp->keystore = strdup(token1)) == NULL) {
2417 		ret = KMF_ERR_MEMORY;
2418 		goto end;
2419 	}
2420 
2421 	if ((token2 = strtok_r(NULL, SEP_SEMICOLON, &lasts)) == NULL) {
2422 		ret = KMF_ERR_KMF_CONF;
2423 		goto end;
2424 	}
2425 
2426 	/* need to get token3 first to satisfy nested strtok invocations */
2427 	token3 = strtok_r(NULL, SEP_SEMICOLON, &lasts);
2428 
2429 	/* parse token2 */
2430 	if (strncmp(token2, CONF_MODULEPATH, strlen(CONF_MODULEPATH)) != 0) {
2431 		ret = KMF_ERR_KMF_CONF;
2432 		goto end;
2433 	}
2434 
2435 	if (value = strpbrk(token2, SEP_EQUAL)) {
2436 		value++; /* get rid of = */
2437 	} else {
2438 		ret = KMF_ERR_KMF_CONF;
2439 		goto end;
2440 	}
2441 
2442 	if ((tmp->modulepath = strdup(value)) == NULL) {
2443 		ret = KMF_ERR_MEMORY;
2444 		goto end;
2445 	}
2446 
2447 	/* parse token3, if it exists */
2448 	if (token3 != NULL) {
2449 		if (strncmp(token3, CONF_OPTION, strlen(CONF_OPTION))
2450 		    != 0) {
2451 			ret = KMF_ERR_KMF_CONF;
2452 			goto end;
2453 		}
2454 
2455 		if (value = strpbrk(token3, SEP_EQUAL)) {
2456 			value++; /* get rid of = */
2457 		} else {
2458 			ret = KMF_ERR_KMF_CONF;
2459 			goto end;
2460 		}
2461 
2462 		if ((tmp->option = strdup(value)) == NULL) {
2463 			ret = KMF_ERR_MEMORY;
2464 			goto end;
2465 		}
2466 	}
2467 
2468 	*entry = tmp;
2469 
2470 end:
2471 	if (ret != KMF_OK) {
2472 		free_entry(tmp);
2473 		free(tmp);
2474 	}
2475 	return (ret);
2476 }
2477 
2478 
2479 conf_entry_t *
2480 dup_entry(conf_entry_t *entry)
2481 {
2482 	conf_entry_t *rtn_entry;
2483 
2484 	if (entry == NULL)
2485 		return (NULL);
2486 
2487 	rtn_entry = malloc(sizeof (conf_entry_t));
2488 	if (rtn_entry == NULL)
2489 		return (NULL);
2490 
2491 	if ((rtn_entry->keystore = strdup(entry->keystore)) == NULL)
2492 		goto out;
2493 
2494 	if ((rtn_entry->modulepath = strdup(entry->modulepath)) == NULL)
2495 		goto out;
2496 
2497 	if (entry->option != NULL &&
2498 	    (rtn_entry->option = strdup(entry->modulepath)) == NULL)
2499 		goto out;
2500 
2501 	return (rtn_entry);
2502 
2503 out:
2504 	free_entry(rtn_entry);
2505 	return (NULL);
2506 }
2507 
2508 
2509 /*
2510  * This function takes a keystore_name as input and returns
2511  * the KMF_KEYSTORE_TYPE value assigned to it.  If the "option"
2512  * argument is not NULL, this function also returns the option string
2513  * if there is an option string for the plugin module.
2514  */
2515 KMF_RETURN
2516 kmf_get_plugin_info(KMF_HANDLE_T handle, char *keystore_name,
2517     KMF_KEYSTORE_TYPE *kstype, char **option)
2518 {
2519 	KMF_RETURN ret = KMF_OK;
2520 	conf_entrylist_t  *phead = extra_plugin_list;
2521 	boolean_t is_default = B_TRUE;
2522 
2523 	/*
2524 	 * Although handle is not really used in the function, we will
2525 	 * check the handle to make sure that kmf_intialize() is called
2526 	 * before this function.
2527 	 */
2528 	if (handle == NULL || keystore_name == NULL || kstype == NULL)
2529 		return (KMF_ERR_BAD_PARAMETER);
2530 
2531 	if (strcmp(keystore_name, "pkcs11") == 0) {
2532 		*kstype = KMF_KEYSTORE_PK11TOKEN;
2533 	} else if (strcmp(keystore_name, "file") == 0) {
2534 		*kstype = KMF_KEYSTORE_OPENSSL;
2535 	} else if (strcmp(keystore_name, "nss") == 0) {
2536 		*kstype = KMF_KEYSTORE_NSS;
2537 	} else {
2538 		is_default = B_FALSE;
2539 	}
2540 
2541 	if (is_default) {
2542 		if (option != NULL)
2543 			*option = NULL;
2544 		goto out;
2545 	}
2546 
2547 	/* Not a built-in plugin; check if it is in extra_plugin_list. */
2548 	while (phead != NULL) {
2549 		if (strcmp(phead->entry->keystore, keystore_name) == 0)
2550 			break;
2551 		phead = phead->next;
2552 	}
2553 
2554 	if (phead == NULL) {
2555 		ret = KMF_ERR_PLUGIN_NOTFOUND;
2556 		goto out;
2557 	}
2558 
2559 	/* found it */
2560 	*kstype = phead->entry->kstype;
2561 	if (option != NULL) {
2562 		if (phead->entry->option == NULL)
2563 			*option = NULL;
2564 		else {
2565 			*option = strdup(phead->entry->option);
2566 			if (*option == NULL) {
2567 				ret = KMF_ERR_MEMORY;
2568 				goto out;
2569 			}
2570 		}
2571 	}
2572 
2573 out:
2574 	return (ret);
2575 }
2576 
2577 /*
2578  * Retrieve the non-default plugin list from the kmf.conf file.
2579  */
2580 KMF_RETURN
2581 get_entrylist(conf_entrylist_t **entlist)
2582 {
2583 	KMF_RETURN rv = KMF_OK;
2584 	FILE *pfile;
2585 	conf_entry_t *entry;
2586 	conf_entrylist_t *rtnlist = NULL;
2587 	conf_entrylist_t *ptmp;
2588 	conf_entrylist_t *pcur;
2589 	char buffer[MAXPATHLEN];
2590 	size_t len;
2591 
2592 	if ((pfile = fopen(_PATH_KMF_CONF, "rF")) == NULL) {
2593 		cryptoerror(LOG_ERR, "failed to open %s.\n", _PATH_KMF_CONF);
2594 		return (KMF_ERR_KMF_CONF);
2595 	}
2596 
2597 	while (fgets(buffer, MAXPATHLEN, pfile) != NULL) {
2598 		if (buffer[0] == '#' || buffer[0] == ' ' ||
2599 		    buffer[0] == '\n'|| buffer[0] == '\t') {
2600 			continue;   /* ignore comment lines */
2601 		}
2602 
2603 		len = strlen(buffer);
2604 		if (buffer[len-1] == '\n') { /* get rid of trailing '\n' */
2605 			len--;
2606 		}
2607 		buffer[len] = '\0';
2608 
2609 		rv = parse_entry(buffer, &entry);
2610 		if (rv != KMF_OK) {
2611 			goto end;
2612 		}
2613 
2614 		if ((ptmp = malloc(sizeof (conf_entrylist_t))) == NULL) {
2615 			rv = KMF_ERR_MEMORY;
2616 			goto end;
2617 		}
2618 		ptmp->entry = entry;
2619 		ptmp->next = NULL;
2620 
2621 		if (rtnlist == NULL) {
2622 			rtnlist = pcur = ptmp;
2623 		} else {
2624 			pcur->next = ptmp;
2625 			pcur = ptmp;
2626 		}
2627 	}
2628 
2629 end:
2630 	(void) fclose(pfile);
2631 
2632 	if (rv == KMF_OK) {
2633 		*entlist = rtnlist;
2634 	} else if (rtnlist != NULL) {
2635 		free_entrylist(rtnlist);
2636 		*entlist = NULL;
2637 		kstore_num = DEFAULT_KEYSTORE_NUM;
2638 	}
2639 
2640 	return (rv);
2641 }
2642 
2643 
2644 boolean_t
2645 is_valid_keystore_type(KMF_KEYSTORE_TYPE kstype)
2646 {
2647 
2648 	if (kstype > 0 && kstype <= kstore_num)
2649 		return (B_TRUE);
2650 	else
2651 		return (B_FALSE);
2652 }
2653 
2654 
2655 /*
2656  * This API is used by elfsign. We must keep it in old API form.
2657  */
2658 KMF_RETURN
2659 KMF_ConfigureKeystore(KMF_HANDLE_T handle, KMF_CONFIG_PARAMS *params)
2660 {
2661 
2662 	KMF_ATTRIBUTE attlist[32];
2663 	int i = 0;
2664 
2665 	if (params == NULL)
2666 		return (KMF_ERR_BAD_PARAMETER);
2667 
2668 	kmf_set_attr_at_index(attlist, i,
2669 	    KMF_KEYSTORE_TYPE_ATTR, &params->kstype, sizeof (params->kstype));
2670 	i++;
2671 
2672 	if (params->kstype == KMF_KEYSTORE_NSS) {
2673 		if (params->nssconfig.configdir != NULL) {
2674 			kmf_set_attr_at_index(attlist, i,
2675 			    KMF_DIRPATH_ATTR,
2676 			    params->nssconfig.configdir,
2677 			    strlen(params->nssconfig.configdir));
2678 			i++;
2679 		}
2680 		if (params->nssconfig.certPrefix != NULL) {
2681 			kmf_set_attr_at_index(attlist, i,
2682 			    KMF_CERTPREFIX_ATTR,
2683 			    params->nssconfig.certPrefix,
2684 			    strlen(params->nssconfig.certPrefix));
2685 			i++;
2686 		}
2687 		if (params->nssconfig.keyPrefix != NULL) {
2688 			kmf_set_attr_at_index(attlist, i,
2689 			    KMF_KEYPREFIX_ATTR,
2690 			    params->nssconfig.keyPrefix,
2691 			    strlen(params->nssconfig.keyPrefix));
2692 			i++;
2693 		}
2694 		if (params->nssconfig.secModName != NULL) {
2695 			kmf_set_attr_at_index(attlist, i,
2696 			    KMF_SECMODNAME_ATTR,
2697 			    params->nssconfig.secModName,
2698 			    strlen(params->nssconfig.secModName));
2699 			i++;
2700 		}
2701 	} else if (params->kstype == KMF_KEYSTORE_PK11TOKEN) {
2702 		if (params->pkcs11config.label != NULL) {
2703 			kmf_set_attr_at_index(attlist, i,
2704 			    KMF_TOKEN_LABEL_ATTR,
2705 			    params->pkcs11config.label,
2706 			    strlen(params->pkcs11config.label));
2707 			i++;
2708 		}
2709 		kmf_set_attr_at_index(attlist, i,
2710 		    KMF_READONLY_ATTR,
2711 		    &params->pkcs11config.readonly,
2712 		    sizeof (params->pkcs11config.readonly));
2713 		i++;
2714 	}
2715 
2716 	return (kmf_configure_keystore(handle, i, attlist));
2717 }
2718 
2719 /*
2720  * This API is used by elfsign. We must keep it in old API form.
2721  */
2722 KMF_RETURN
2723 KMF_Initialize(KMF_HANDLE_T *outhandle, char *policyfile, char *policyname)
2724 {
2725 	return (kmf_initialize(outhandle, policyfile, policyname));
2726 }
2727 
2728 /*
2729  * This API is used by elfsign. We must keep it in old API form.
2730  */
2731 KMF_RETURN
2732 KMF_Finalize(KMF_HANDLE_T handle)
2733 {
2734 	return (kmf_finalize(handle));
2735 }
2736 
2737 /*
2738  * This API is used by elfsign. We must keep it in old API form.
2739  */
2740 KMF_RETURN
2741 KMF_GetKMFErrorString(KMF_RETURN errcode, char **errmsg)
2742 {
2743 	return (kmf_get_kmf_error_str(errcode, errmsg));
2744 }
2745 
2746 /*
2747  * This API is used by elfsign. We must keep it in old API form.
2748  */
2749 KMF_RETURN
2750 KMF_ReadInputFile(KMF_HANDLE_T handle, char *filename,  KMF_DATA *pdata)
2751 {
2752 	return (kmf_read_input_file(handle, filename, pdata));
2753 }
2754 
2755 
2756 /*
2757  * This API is used by elfsign. We must keep it in old API form.
2758  */
2759 void
2760 KMF_FreeKMFCert(KMF_HANDLE_T handle, KMF_X509_DER_CERT *kmf_cert)
2761 {
2762 	kmf_free_kmf_cert(handle, kmf_cert);
2763 }
2764 
2765 /*
2766  * This API is used by elfsign. We must keep it in old API form.
2767  */
2768 void
2769 KMF_FreeData(KMF_DATA *datablock)
2770 {
2771 	kmf_free_data(datablock);
2772 }
2773 
2774 /*
2775  * This API is used by elfsign. We must keep it in old API form.
2776  */
2777 void
2778 KMF_FreeKMFKey(KMF_HANDLE_T handle, KMF_KEY_HANDLE *key)
2779 {
2780 	kmf_free_kmf_key(handle, key);
2781 }
2782 
2783 /*
2784  * This API is used by elfsign. We must keep it in old API form.
2785  */
2786 void
2787 KMF_FreeSignedCSR(KMF_CSR_DATA *csr)
2788 {
2789 	kmf_free_signed_csr(csr);
2790 }
2791