s3:modules: s/event_add_timed/tevent_add_timer
[Samba/gebeck_regimport.git] / nsswitch / libwbclient / wbc_util.c
blob4060e2521c1b602d1fd1b1d1d83c014017026661
1 /*
2 Unix SMB/CIFS implementation.
4 Winbind client asynchronous API, utility functions
6 Copyright (C) Gerald (Jerry) Carter 2007-2008
9 This library is free software; you can redistribute it and/or
10 modify it under the terms of the GNU Lesser General Public
11 License as published by the Free Software Foundation; either
12 version 3 of the License, or (at your option) any later version.
14 This library is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 Library General Public License for more details.
19 You should have received a copy of the GNU Lesser General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 /* Required Headers */
25 #include "replace.h"
26 #include "libwbclient.h"
27 #include "../winbind_client.h"
29 /** @brief Ping winbindd to see if the daemon is running
31 * @return #wbcErr
32 **/
33 wbcErr wbcPing(void)
35 struct winbindd_request request;
36 struct winbindd_response response;
38 /* Initialize request */
40 ZERO_STRUCT(request);
41 ZERO_STRUCT(response);
43 return wbcRequestResponse(WINBINDD_PING, &request, &response);
46 static void wbcInterfaceDetailsDestructor(void *ptr)
48 struct wbcInterfaceDetails *i = (struct wbcInterfaceDetails *)ptr;
49 free(i->winbind_version);
50 free(i->netbios_name);
51 free(i->netbios_domain);
52 free(i->dns_domain);
55 /**
56 * @brief Query useful information about the winbind service
58 * @param *_details pointer to hold the struct wbcInterfaceDetails
60 * @return #wbcErr
63 wbcErr wbcInterfaceDetails(struct wbcInterfaceDetails **_details)
65 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
66 struct wbcInterfaceDetails *info;
67 struct wbcDomainInfo *domain = NULL;
68 struct winbindd_request request;
69 struct winbindd_response response;
71 /* Initialize request */
73 ZERO_STRUCT(request);
74 ZERO_STRUCT(response);
76 info = (struct wbcInterfaceDetails *)wbcAllocateMemory(
77 1, sizeof(struct wbcInterfaceDetails),
78 wbcInterfaceDetailsDestructor);
79 BAIL_ON_PTR_ERROR(info, wbc_status);
81 /* first the interface version */
82 wbc_status = wbcRequestResponse(WINBINDD_INTERFACE_VERSION, NULL, &response);
83 BAIL_ON_WBC_ERROR(wbc_status);
84 info->interface_version = response.data.interface_version;
86 /* then the samba version and the winbind separator */
87 wbc_status = wbcRequestResponse(WINBINDD_INFO, NULL, &response);
88 BAIL_ON_WBC_ERROR(wbc_status);
90 info->winbind_version = strdup(response.data.info.samba_version);
91 BAIL_ON_PTR_ERROR(info->winbind_version, wbc_status);
92 info->winbind_separator = response.data.info.winbind_separator;
94 /* then the local netbios name */
95 wbc_status = wbcRequestResponse(WINBINDD_NETBIOS_NAME, NULL, &response);
96 BAIL_ON_WBC_ERROR(wbc_status);
98 info->netbios_name = strdup(response.data.netbios_name);
99 BAIL_ON_PTR_ERROR(info->netbios_name, wbc_status);
101 /* then the local workgroup name */
102 wbc_status = wbcRequestResponse(WINBINDD_DOMAIN_NAME, NULL, &response);
103 BAIL_ON_WBC_ERROR(wbc_status);
105 info->netbios_domain = strdup(response.data.domain_name);
106 BAIL_ON_PTR_ERROR(info->netbios_domain, wbc_status);
108 wbc_status = wbcDomainInfo(info->netbios_domain, &domain);
109 if (wbc_status == WBC_ERR_DOMAIN_NOT_FOUND) {
110 /* maybe it's a standalone server */
111 domain = NULL;
112 wbc_status = WBC_ERR_SUCCESS;
113 } else {
114 BAIL_ON_WBC_ERROR(wbc_status);
117 if (domain) {
118 info->dns_domain = strdup(domain->dns_name);
119 wbcFreeMemory(domain);
120 BAIL_ON_PTR_ERROR(info->dns_domain, wbc_status);
121 } else {
122 info->dns_domain = NULL;
125 *_details = info;
126 info = NULL;
128 wbc_status = WBC_ERR_SUCCESS;
130 done:
131 wbcFreeMemory(info);
132 return wbc_status;
135 static void wbcDomainInfoDestructor(void *ptr)
137 struct wbcDomainInfo *i = (struct wbcDomainInfo *)ptr;
138 free(i->short_name);
139 free(i->dns_name);
142 /** @brief Lookup the current status of a trusted domain, sync wrapper
144 * @param domain Domain to query
145 * @param *dinfo Pointer to returned struct wbcDomainInfo
147 * @return #wbcErr
150 wbcErr wbcDomainInfo(const char *domain, struct wbcDomainInfo **dinfo)
152 struct winbindd_request request;
153 struct winbindd_response response;
154 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
155 struct wbcDomainInfo *info = NULL;
157 if (!domain || !dinfo) {
158 wbc_status = WBC_ERR_INVALID_PARAM;
159 BAIL_ON_WBC_ERROR(wbc_status);
162 /* Initialize request */
164 ZERO_STRUCT(request);
165 ZERO_STRUCT(response);
167 strncpy(request.domain_name, domain,
168 sizeof(request.domain_name)-1);
170 wbc_status = wbcRequestResponse(WINBINDD_DOMAIN_INFO,
171 &request,
172 &response);
173 BAIL_ON_WBC_ERROR(wbc_status);
175 info = (struct wbcDomainInfo *)wbcAllocateMemory(
176 1, sizeof(struct wbcDomainInfo), wbcDomainInfoDestructor);
177 BAIL_ON_PTR_ERROR(info, wbc_status);
179 info->short_name = strdup(response.data.domain_info.name);
180 BAIL_ON_PTR_ERROR(info->short_name, wbc_status);
182 info->dns_name = strdup(response.data.domain_info.alt_name);
183 BAIL_ON_PTR_ERROR(info->dns_name, wbc_status);
185 wbc_status = wbcStringToSid(response.data.domain_info.sid,
186 &info->sid);
187 BAIL_ON_WBC_ERROR(wbc_status);
189 if (response.data.domain_info.native_mode)
190 info->domain_flags |= WBC_DOMINFO_DOMAIN_NATIVE;
191 if (response.data.domain_info.active_directory)
192 info->domain_flags |= WBC_DOMINFO_DOMAIN_AD;
193 if (response.data.domain_info.primary)
194 info->domain_flags |= WBC_DOMINFO_DOMAIN_PRIMARY;
196 *dinfo = info;
197 info = NULL;
199 wbc_status = WBC_ERR_SUCCESS;
201 done:
202 wbcFreeMemory(info);
203 return wbc_status;
206 /* Get the list of current DCs */
207 wbcErr wbcDcInfo(const char *domain, size_t *num_dcs,
208 const char ***dc_names, const char ***dc_ips)
210 struct winbindd_request request;
211 struct winbindd_response response;
212 const char **names = NULL;
213 const char **ips = NULL;
214 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
215 size_t extra_len;
216 int i;
217 char *p;
219 /* Initialise request */
221 ZERO_STRUCT(request);
222 ZERO_STRUCT(response);
224 if (domain != NULL) {
225 strncpy(request.domain_name, domain,
226 sizeof(request.domain_name) - 1);
229 wbc_status = wbcRequestResponse(WINBINDD_DC_INFO,
230 &request, &response);
231 BAIL_ON_WBC_ERROR(wbc_status);
233 names = wbcAllocateStringArray(response.data.num_entries);
234 BAIL_ON_PTR_ERROR(names, wbc_status);
236 ips = wbcAllocateStringArray(response.data.num_entries);
237 BAIL_ON_PTR_ERROR(ips, wbc_status);
239 wbc_status = WBC_ERR_INVALID_RESPONSE;
241 p = (char *)response.extra_data.data;
243 if (response.length < (sizeof(struct winbindd_response)+1)) {
244 goto done;
247 extra_len = response.length - sizeof(struct winbindd_response);
249 if (p[extra_len-1] != '\0') {
250 goto done;
253 for (i=0; i<response.data.num_entries; i++) {
254 char *q;
256 q = strchr(p, '\n');
257 if (q == NULL) {
258 goto done;
260 names[i] = strndup(p, q-p);
261 BAIL_ON_PTR_ERROR(names[i], wbc_status);
262 p = q+1;
264 q = strchr(p, '\n');
265 if (q == NULL) {
266 goto done;
268 ips[i] = strndup(p, q-p);
269 BAIL_ON_PTR_ERROR(ips[i], wbc_status);
270 p = q+1;
272 if (p[0] != '\0') {
273 goto done;
276 wbc_status = WBC_ERR_SUCCESS;
277 done:
278 if (response.extra_data.data)
279 free(response.extra_data.data);
281 if (WBC_ERROR_IS_OK(wbc_status)) {
282 *num_dcs = response.data.num_entries;
283 *dc_names = names;
284 names = NULL;
285 *dc_ips = ips;
286 ips = NULL;
288 wbcFreeMemory(names);
289 wbcFreeMemory(ips);
290 return wbc_status;
293 /* Resolve a NetbiosName via WINS */
294 wbcErr wbcResolveWinsByName(const char *name, char **ip)
296 struct winbindd_request request;
297 struct winbindd_response response;
298 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
299 char *ipaddr;
301 ZERO_STRUCT(request);
302 ZERO_STRUCT(response);
304 /* Send request */
306 strncpy(request.data.winsreq, name,
307 sizeof(request.data.winsreq)-1);
309 wbc_status = wbcRequestResponse(WINBINDD_WINS_BYNAME,
310 &request,
311 &response);
312 BAIL_ON_WBC_ERROR(wbc_status);
314 /* Display response */
316 ipaddr = wbcStrDup(response.data.winsresp);
317 BAIL_ON_PTR_ERROR(ipaddr, wbc_status);
319 *ip = ipaddr;
320 wbc_status = WBC_ERR_SUCCESS;
322 done:
323 return wbc_status;
326 /* Resolve an IP address via WINS into a NetbiosName */
327 wbcErr wbcResolveWinsByIP(const char *ip, char **name)
329 struct winbindd_request request;
330 struct winbindd_response response;
331 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
332 char *name_str;
334 ZERO_STRUCT(request);
335 ZERO_STRUCT(response);
337 /* Send request */
339 strncpy(request.data.winsreq, ip,
340 sizeof(request.data.winsreq)-1);
342 wbc_status = wbcRequestResponse(WINBINDD_WINS_BYIP,
343 &request,
344 &response);
345 BAIL_ON_WBC_ERROR(wbc_status);
347 /* Display response */
349 name_str = wbcStrDup(response.data.winsresp);
350 BAIL_ON_PTR_ERROR(name_str, wbc_status);
352 *name = name_str;
353 wbc_status = WBC_ERR_SUCCESS;
355 done:
356 return wbc_status;
362 static wbcErr process_domain_info_string(struct wbcDomainInfo *info,
363 char *info_string)
365 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
366 char *r = NULL;
367 char *s = NULL;
369 r = info_string;
371 /* Short Name */
372 if ((s = strchr(r, '\\')) == NULL) {
373 wbc_status = WBC_ERR_INVALID_RESPONSE;
374 BAIL_ON_WBC_ERROR(wbc_status);
376 *s = '\0';
377 s++;
379 info->short_name = strdup(r);
380 BAIL_ON_PTR_ERROR(info->short_name, wbc_status);
383 /* DNS Name */
384 r = s;
385 if ((s = strchr(r, '\\')) == NULL) {
386 wbc_status = WBC_ERR_INVALID_RESPONSE;
387 BAIL_ON_WBC_ERROR(wbc_status);
389 *s = '\0';
390 s++;
392 info->dns_name = strdup(r);
393 BAIL_ON_PTR_ERROR(info->dns_name, wbc_status);
395 /* SID */
396 r = s;
397 if ((s = strchr(r, '\\')) == NULL) {
398 wbc_status = WBC_ERR_INVALID_RESPONSE;
399 BAIL_ON_WBC_ERROR(wbc_status);
401 *s = '\0';
402 s++;
404 wbc_status = wbcStringToSid(r, &info->sid);
405 BAIL_ON_WBC_ERROR(wbc_status);
407 /* Trust type */
408 r = s;
409 if ((s = strchr(r, '\\')) == NULL) {
410 wbc_status = WBC_ERR_INVALID_RESPONSE;
411 BAIL_ON_WBC_ERROR(wbc_status);
413 *s = '\0';
414 s++;
416 if (strcmp(r, "None") == 0) {
417 info->trust_type = WBC_DOMINFO_TRUSTTYPE_NONE;
418 } else if (strcmp(r, "External") == 0) {
419 info->trust_type = WBC_DOMINFO_TRUSTTYPE_EXTERNAL;
420 } else if (strcmp(r, "Forest") == 0) {
421 info->trust_type = WBC_DOMINFO_TRUSTTYPE_FOREST;
422 } else if (strcmp(r, "In Forest") == 0) {
423 info->trust_type = WBC_DOMINFO_TRUSTTYPE_IN_FOREST;
424 } else {
425 wbc_status = WBC_ERR_INVALID_RESPONSE;
426 BAIL_ON_WBC_ERROR(wbc_status);
429 /* Transitive */
430 r = s;
431 if ((s = strchr(r, '\\')) == NULL) {
432 wbc_status = WBC_ERR_INVALID_RESPONSE;
433 BAIL_ON_WBC_ERROR(wbc_status);
435 *s = '\0';
436 s++;
438 if (strcmp(r, "Yes") == 0) {
439 info->trust_flags |= WBC_DOMINFO_TRUST_TRANSITIVE;
442 /* Incoming */
443 r = s;
444 if ((s = strchr(r, '\\')) == NULL) {
445 wbc_status = WBC_ERR_INVALID_RESPONSE;
446 BAIL_ON_WBC_ERROR(wbc_status);
448 *s = '\0';
449 s++;
451 if (strcmp(r, "Yes") == 0) {
452 info->trust_flags |= WBC_DOMINFO_TRUST_INCOMING;
455 /* Outgoing */
456 r = s;
457 if ((s = strchr(r, '\\')) == NULL) {
458 wbc_status = WBC_ERR_INVALID_RESPONSE;
459 BAIL_ON_WBC_ERROR(wbc_status);
461 *s = '\0';
462 s++;
464 if (strcmp(r, "Yes") == 0) {
465 info->trust_flags |= WBC_DOMINFO_TRUST_OUTGOING;
468 /* Online/Offline status */
469 r = s;
470 if ( strcmp(r, "Offline") == 0) {
471 info->domain_flags |= WBC_DOMINFO_DOMAIN_OFFLINE;
474 wbc_status = WBC_ERR_SUCCESS;
476 done:
477 return wbc_status;
480 static void wbcDomainInfoListDestructor(void *ptr)
482 struct wbcDomainInfo *i = (struct wbcDomainInfo *)ptr;
484 while (i->short_name != NULL) {
485 free(i->short_name);
486 free(i->dns_name);
487 i += 1;
491 /* Enumerate the domain trusts known by Winbind */
492 wbcErr wbcListTrusts(struct wbcDomainInfo **domains, size_t *num_domains)
494 struct winbindd_response response;
495 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
496 char *p = NULL;
497 char *extra_data = NULL;
498 struct wbcDomainInfo *d_list = NULL;
499 int i = 0;
501 *domains = NULL;
502 *num_domains = 0;
504 ZERO_STRUCT(response);
506 /* Send request */
508 wbc_status = wbcRequestResponse(WINBINDD_LIST_TRUSTDOM,
509 NULL,
510 &response);
511 BAIL_ON_WBC_ERROR(wbc_status);
513 /* Decode the response */
515 p = (char *)response.extra_data.data;
517 if ((p == NULL) || (strlen(p) == 0)) {
518 /* We should always at least get back our
519 own SAM domain */
521 wbc_status = WBC_ERR_DOMAIN_NOT_FOUND;
522 BAIL_ON_WBC_ERROR(wbc_status);
525 d_list = (struct wbcDomainInfo *)wbcAllocateMemory(
526 response.data.num_entries + 1,sizeof(struct wbcDomainInfo),
527 wbcDomainInfoListDestructor);
528 BAIL_ON_PTR_ERROR(d_list, wbc_status);
530 extra_data = strdup((char*)response.extra_data.data);
531 BAIL_ON_PTR_ERROR(extra_data, wbc_status);
533 p = extra_data;
535 /* Outer loop processes the list of domain information */
537 for (i=0; i<response.data.num_entries && p; i++) {
538 char *next = strchr(p, '\n');
540 if (next) {
541 *next = '\0';
542 next++;
545 wbc_status = process_domain_info_string(&d_list[i], p);
546 BAIL_ON_WBC_ERROR(wbc_status);
548 p = next;
551 *domains = d_list;
552 d_list = NULL;
553 *num_domains = i;
555 done:
556 winbindd_free_response(&response);
557 wbcFreeMemory(d_list);
558 free(extra_data);
559 return wbc_status;
562 static void wbcDomainControllerInfoDestructor(void *ptr)
564 struct wbcDomainControllerInfo *i =
565 (struct wbcDomainControllerInfo *)ptr;
566 free(i->dc_name);
569 /* Enumerate the domain trusts known by Winbind */
570 wbcErr wbcLookupDomainController(const char *domain,
571 uint32_t flags,
572 struct wbcDomainControllerInfo **dc_info)
574 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
575 struct winbindd_request request;
576 struct winbindd_response response;
577 struct wbcDomainControllerInfo *dc = NULL;
579 /* validate input params */
581 if (!domain || !dc_info) {
582 wbc_status = WBC_ERR_INVALID_PARAM;
583 BAIL_ON_WBC_ERROR(wbc_status);
586 ZERO_STRUCT(request);
587 ZERO_STRUCT(response);
589 strncpy(request.data.dsgetdcname.domain_name, domain,
590 sizeof(request.data.dsgetdcname.domain_name)-1);
592 request.flags = flags;
594 dc = (struct wbcDomainControllerInfo *)wbcAllocateMemory(
595 1, sizeof(struct wbcDomainControllerInfo),
596 wbcDomainControllerInfoDestructor);
597 BAIL_ON_PTR_ERROR(dc, wbc_status);
599 /* Send request */
601 wbc_status = wbcRequestResponse(WINBINDD_DSGETDCNAME,
602 &request,
603 &response);
604 BAIL_ON_WBC_ERROR(wbc_status);
606 dc->dc_name = strdup(response.data.dsgetdcname.dc_unc);
607 BAIL_ON_PTR_ERROR(dc->dc_name, wbc_status);
609 *dc_info = dc;
610 dc = NULL;
612 done:
613 wbcFreeMemory(dc);
614 return wbc_status;
617 static void wbcDomainControllerInfoExDestructor(void *ptr)
619 struct wbcDomainControllerInfoEx *i =
620 (struct wbcDomainControllerInfoEx *)ptr;
621 free(discard_const_p(char, i->dc_unc));
622 free(discard_const_p(char, i->dc_address));
623 free(discard_const_p(char, i->domain_guid));
624 free(discard_const_p(char, i->domain_name));
625 free(discard_const_p(char, i->forest_name));
626 free(discard_const_p(char, i->dc_site_name));
627 free(discard_const_p(char, i->client_site_name));
630 static wbcErr wbc_create_domain_controller_info_ex(const struct winbindd_response *resp,
631 struct wbcDomainControllerInfoEx **_i)
633 wbcErr wbc_status = WBC_ERR_SUCCESS;
634 struct wbcDomainControllerInfoEx *i;
635 struct wbcGuid guid;
637 i = (struct wbcDomainControllerInfoEx *)wbcAllocateMemory(
638 1, sizeof(struct wbcDomainControllerInfoEx),
639 wbcDomainControllerInfoExDestructor);
640 BAIL_ON_PTR_ERROR(i, wbc_status);
642 i->dc_unc = strdup(resp->data.dsgetdcname.dc_unc);
643 BAIL_ON_PTR_ERROR(i->dc_unc, wbc_status);
645 i->dc_address = strdup(resp->data.dsgetdcname.dc_address);
646 BAIL_ON_PTR_ERROR(i->dc_address, wbc_status);
648 i->dc_address_type = resp->data.dsgetdcname.dc_address_type;
650 wbc_status = wbcStringToGuid(resp->data.dsgetdcname.domain_guid, &guid);
651 if (WBC_ERROR_IS_OK(wbc_status)) {
652 i->domain_guid = (struct wbcGuid *)malloc(
653 sizeof(struct wbcGuid));
654 BAIL_ON_PTR_ERROR(i->domain_guid, wbc_status);
656 *i->domain_guid = guid;
659 i->domain_name = strdup(resp->data.dsgetdcname.domain_name);
660 BAIL_ON_PTR_ERROR(i->domain_name, wbc_status);
662 if (resp->data.dsgetdcname.forest_name[0] != '\0') {
663 i->forest_name = strdup(resp->data.dsgetdcname.forest_name);
664 BAIL_ON_PTR_ERROR(i->forest_name, wbc_status);
667 i->dc_flags = resp->data.dsgetdcname.dc_flags;
669 if (resp->data.dsgetdcname.dc_site_name[0] != '\0') {
670 i->dc_site_name = strdup(resp->data.dsgetdcname.dc_site_name);
671 BAIL_ON_PTR_ERROR(i->dc_site_name, wbc_status);
674 if (resp->data.dsgetdcname.client_site_name[0] != '\0') {
675 i->client_site_name = strdup(
676 resp->data.dsgetdcname.client_site_name);
677 BAIL_ON_PTR_ERROR(i->client_site_name, wbc_status);
680 *_i = i;
681 i = NULL;
683 done:
684 if (i != NULL) {
685 wbcFreeMemory(i);
687 return wbc_status;
690 /* Get extended domain controller information */
691 wbcErr wbcLookupDomainControllerEx(const char *domain,
692 struct wbcGuid *guid,
693 const char *site,
694 uint32_t flags,
695 struct wbcDomainControllerInfoEx **dc_info)
697 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
698 struct winbindd_request request;
699 struct winbindd_response response;
701 /* validate input params */
703 if (!domain || !dc_info) {
704 wbc_status = WBC_ERR_INVALID_PARAM;
705 BAIL_ON_WBC_ERROR(wbc_status);
708 ZERO_STRUCT(request);
709 ZERO_STRUCT(response);
711 request.data.dsgetdcname.flags = flags;
713 strncpy(request.data.dsgetdcname.domain_name, domain,
714 sizeof(request.data.dsgetdcname.domain_name)-1);
716 if (site) {
717 strncpy(request.data.dsgetdcname.site_name, site,
718 sizeof(request.data.dsgetdcname.site_name)-1);
721 if (guid) {
722 char *str = NULL;
724 wbc_status = wbcGuidToString(guid, &str);
725 BAIL_ON_WBC_ERROR(wbc_status);
727 strncpy(request.data.dsgetdcname.domain_guid, str,
728 sizeof(request.data.dsgetdcname.domain_guid)-1);
730 wbcFreeMemory(str);
733 /* Send request */
735 wbc_status = wbcRequestResponse(WINBINDD_DSGETDCNAME,
736 &request,
737 &response);
738 BAIL_ON_WBC_ERROR(wbc_status);
740 if (dc_info) {
741 wbc_status = wbc_create_domain_controller_info_ex(&response,
742 dc_info);
743 BAIL_ON_WBC_ERROR(wbc_status);
746 wbc_status = WBC_ERR_SUCCESS;
747 done:
748 return wbc_status;
751 static void wbcNamedBlobDestructor(void *ptr)
753 struct wbcNamedBlob *b = (struct wbcNamedBlob *)ptr;
755 while (b->name != NULL) {
756 free(discard_const_p(char, b->name));
757 free(b->blob.data);
758 b += 1;
762 /* Initialize a named blob and add to list of blobs */
763 wbcErr wbcAddNamedBlob(size_t *num_blobs,
764 struct wbcNamedBlob **pblobs,
765 const char *name,
766 uint32_t flags,
767 uint8_t *data,
768 size_t length)
770 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
771 struct wbcNamedBlob *blobs, *blob;
773 if (name == NULL) {
774 return WBC_ERR_INVALID_PARAM;
778 * Overallocate the b->name==NULL terminator for
779 * wbcNamedBlobDestructor
781 blobs = (struct wbcNamedBlob *)wbcAllocateMemory(
782 *num_blobs + 2, sizeof(struct wbcNamedBlob),
783 wbcNamedBlobDestructor);
785 if (blobs == NULL) {
786 return WBC_ERR_NO_MEMORY;
789 if (*pblobs != NULL) {
790 struct wbcNamedBlob *old = *pblobs;
791 memcpy(blobs, old, sizeof(struct wbcNamedBlob) * (*num_blobs));
792 if (*num_blobs != 0) {
793 /* end indicator for wbcNamedBlobDestructor */
794 old[0].name = NULL;
796 wbcFreeMemory(old);
798 *pblobs = blobs;
800 blob = &blobs[*num_blobs];
802 blob->name = strdup(name);
803 BAIL_ON_PTR_ERROR(blob->name, wbc_status);
804 blob->flags = flags;
806 blob->blob.length = length;
807 blob->blob.data = (uint8_t *)malloc(length);
808 BAIL_ON_PTR_ERROR(blob->blob.data, wbc_status);
809 memcpy(blob->blob.data, data, length);
811 *num_blobs += 1;
812 *pblobs = blobs;
813 blobs = NULL;
815 wbc_status = WBC_ERR_SUCCESS;
816 done:
817 wbcFreeMemory(blobs);
818 return wbc_status;