2 Unix SMB/CIFS implementation.
6 Copyright (C) Gerald (Jerry) Carter 2007
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 "libwbclient.h"
28 /** @brief Convert a binary SID to a character string
30 * @param sid Binary Security Identifier
31 * @param **sid_string Resulting character string
36 wbcErr wbcSidToString(const struct wbcDomainSid *sid,
39 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
43 TALLOC_CTX *ctx = NULL;
46 wbc_status = WBC_ERR_INVALID_SID;
47 BAIL_ON_WBC_ERROR(wbc_status);
50 ctx = talloc_init("wbcSidToString");
51 BAIL_ON_PTR_ERROR(ctx, wbc_status);
53 id_auth = sid->id_auth[5] +
54 (sid->id_auth[4] << 8) +
55 (sid->id_auth[3] << 16) +
56 (sid->id_auth[2] << 24);
58 tmp = talloc_asprintf(ctx, "S-%d-%d", sid->sid_rev_num, id_auth);
59 BAIL_ON_PTR_ERROR(tmp, wbc_status);
61 for (i=0; i<sid->num_auths; i++) {
63 tmp2 = talloc_asprintf_append(tmp, "-%u", sid->sub_auths[i]);
64 BAIL_ON_PTR_ERROR(tmp2, wbc_status);
69 *sid_string=talloc_strdup(NULL, tmp);
70 BAIL_ON_PTR_ERROR((*sid_string), wbc_status);
72 wbc_status = WBC_ERR_SUCCESS;
80 /** @brief Convert a character string to a binary SID
82 * @param *str Character string in the form of S-...
83 * @param sid Resulting binary SID
88 wbcErr wbcStringToSid(const char *str,
89 struct wbcDomainSid *sid)
94 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
97 wbc_status = WBC_ERR_INVALID_PARAM;
98 BAIL_ON_WBC_ERROR(wbc_status);
101 /* Sanity check for either "S-" or "s-" */
104 || (str[0]!='S' && str[0]!='s')
107 wbc_status = WBC_ERR_INVALID_PARAM;
108 BAIL_ON_WBC_ERROR(wbc_status);
111 /* Get the SID revision number */
114 x = (uint32_t)strtol(p, &q, 10);
115 if (x==0 || !q || *q!='-') {
116 wbc_status = WBC_ERR_INVALID_SID;
117 BAIL_ON_WBC_ERROR(wbc_status);
119 sid->sid_rev_num = (uint8_t)x;
121 /* Next the Identifier Authority. This is stored in big-endian
122 in a 6 byte array. */
125 x = (uint32_t)strtol(p, &q, 10);
127 wbc_status = WBC_ERR_INVALID_SID;
128 BAIL_ON_WBC_ERROR(wbc_status);
130 sid->id_auth[5] = (x & 0x000000ff);
131 sid->id_auth[4] = (x & 0x0000ff00) >> 8;
132 sid->id_auth[3] = (x & 0x00ff0000) >> 16;
133 sid->id_auth[2] = (x & 0xff000000) >> 24;
137 /* now read the the subauthorities */
141 while (sid->num_auths < WBC_MAXSUBAUTHS) {
142 x=(uint32_t)strtoul(p, &q, 10);
146 wbc_status = WBC_ERR_INVALID_SID;
147 BAIL_ON_WBC_ERROR(wbc_status);
149 sid->sub_auths[sid->num_auths++] = x;
151 if ((*q!='-') || (*q=='\0'))
156 /* IF we ended early, then the SID could not be converted */
159 wbc_status = WBC_ERR_INVALID_SID;
160 BAIL_ON_WBC_ERROR(wbc_status);
163 wbc_status = WBC_ERR_SUCCESS;
170 /** @brief Convert a domain and name to SID
172 * @param domain Domain name (possibly "")
173 * @param name User or group name
174 * @param *sid Pointer to the resolved domain SID
175 * @param *name_type Pointet to the SID type
181 wbcErr wbcLookupName(const char *domain,
183 struct wbcDomainSid *sid,
184 enum wbcSidType *name_type)
186 struct winbindd_request request;
187 struct winbindd_response response;
188 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
190 if (!sid || !name_type) {
191 wbc_status = WBC_ERR_INVALID_PARAM;
192 BAIL_ON_WBC_ERROR(wbc_status);
195 /* Initialize request */
197 ZERO_STRUCT(request);
198 ZERO_STRUCT(response);
200 /* dst is already null terminated from the memset above */
202 strncpy(request.data.name.dom_name, domain,
203 sizeof(request.data.name.dom_name)-1);
204 strncpy(request.data.name.name, name,
205 sizeof(request.data.name.name)-1);
207 wbc_status = wbcRequestResponse(WINBINDD_LOOKUPNAME,
210 BAIL_ON_WBC_ERROR(wbc_status);
212 wbc_status = wbcStringToSid(response.data.sid.sid, sid);
213 BAIL_ON_WBC_ERROR(wbc_status);
215 *name_type = (enum wbcSidType)response.data.sid.type;
217 wbc_status = WBC_ERR_SUCCESS;
223 /** @brief Convert a SID to a domain and name
225 * @param *sid Pointer to the domain SID to be resolved
226 * @param domain Resolved Domain name (possibly "")
227 * @param name Resolved User or group name
228 * @param *name_type Pointet to the resolved SID type
234 wbcErr wbcLookupSid(const struct wbcDomainSid *sid,
237 enum wbcSidType *pname_type)
239 struct winbindd_request request;
240 struct winbindd_response response;
241 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
242 char *sid_string = NULL;
245 enum wbcSidType name_type = WBC_SID_NAME_USE_NONE;
248 wbc_status = WBC_ERR_INVALID_PARAM;
249 BAIL_ON_WBC_ERROR(wbc_status);
252 /* Initialize request */
254 ZERO_STRUCT(request);
255 ZERO_STRUCT(response);
257 /* dst is already null terminated from the memset above */
259 wbc_status = wbcSidToString(sid, &sid_string);
260 BAIL_ON_WBC_ERROR(wbc_status);
262 strncpy(request.data.sid, sid_string, sizeof(request.data.sid)-1);
263 wbcFreeMemory(sid_string);
267 wbc_status = wbcRequestResponse(WINBINDD_LOOKUPSID,
270 BAIL_ON_WBC_ERROR(wbc_status);
272 /* Copy out result */
274 domain = talloc_strdup(NULL, response.data.name.dom_name);
275 BAIL_ON_PTR_ERROR(domain, wbc_status);
277 name = talloc_strdup(NULL, response.data.name.name);
278 BAIL_ON_PTR_ERROR(name, wbc_status);
280 name_type = (enum wbcSidType)response.data.name.type;
282 wbc_status = WBC_ERR_SUCCESS;
285 if (WBC_ERROR_IS_OK(wbc_status)) {
286 if (pdomain != NULL) {
292 if (pname_type != NULL) {
293 *pname_type = name_type;
300 if (domain != NULL) {
308 /** @brief Translate a collection of RIDs within a domain to names
312 wbcErr wbcLookupRids(struct wbcDomainSid *dom_sid,
315 const char **pp_domain_name,
316 const char ***pnames,
317 enum wbcSidType **ptypes)
319 size_t i, len, ridbuf_size;
322 struct winbindd_request request;
323 struct winbindd_response response;
324 char *sid_string = NULL;
325 char *domain_name = NULL;
326 const char **names = NULL;
327 enum wbcSidType *types = NULL;
328 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
330 /* Initialise request */
332 ZERO_STRUCT(request);
333 ZERO_STRUCT(response);
335 if (!dom_sid || (num_rids == 0)) {
336 wbc_status = WBC_ERR_INVALID_PARAM;
337 BAIL_ON_WBC_ERROR(wbc_status);
340 wbc_status = wbcSidToString(dom_sid, &sid_string);
341 BAIL_ON_WBC_ERROR(wbc_status);
343 strncpy(request.data.sid, sid_string, sizeof(request.data.sid)-1);
344 wbcFreeMemory(sid_string);
346 /* Even if all the Rids were of maximum 32bit values,
347 we would only have 11 bytes per rid in the final array
348 ("4294967296" + \n). Add one more byte for the
351 ridbuf_size = (sizeof(char)*11) * num_rids + 1;
353 ridlist = talloc_zero_array(NULL, char, ridbuf_size);
354 BAIL_ON_PTR_ERROR(ridlist, wbc_status);
357 for (i=0; i<num_rids && (len-1)>0; i++) {
360 len = strlen(ridlist);
363 snprintf( ridstr, sizeof(ridstr)-1, "%u\n", rids[i]);
364 strncat(p, ridstr, ridbuf_size-len-1);
367 request.extra_data.data = ridlist;
368 request.extra_len = strlen(ridlist)+1;
370 wbc_status = wbcRequestResponse(WINBINDD_LOOKUPRIDS,
373 talloc_free(ridlist);
374 BAIL_ON_WBC_ERROR(wbc_status);
376 domain_name = talloc_strdup(NULL, response.data.domain_name);
377 BAIL_ON_PTR_ERROR(domain_name, wbc_status);
379 names = talloc_array(NULL, const char*, num_rids);
380 BAIL_ON_PTR_ERROR(names, wbc_status);
382 types = talloc_array(NULL, enum wbcSidType, num_rids);
383 BAIL_ON_PTR_ERROR(types, wbc_status);
385 p = (char *)response.extra_data.data;
387 for (i=0; i<num_rids; i++) {
391 wbc_status = WBC_ERR_INVALID_RESPONSE;
392 BAIL_ON_WBC_ERROR(wbc_status);
395 types[i] = (enum wbcSidType)strtoul(p, &q, 10);
398 wbc_status = WBC_ERR_INVALID_RESPONSE;
399 BAIL_ON_WBC_ERROR(wbc_status);
404 if ((q = strchr(p, '\n')) == NULL) {
405 wbc_status = WBC_ERR_INVALID_RESPONSE;
406 BAIL_ON_WBC_ERROR(wbc_status);
411 names[i] = talloc_strdup(names, p);
412 BAIL_ON_PTR_ERROR(names[i], wbc_status);
418 wbc_status = WBC_ERR_INVALID_RESPONSE;
419 BAIL_ON_WBC_ERROR(wbc_status);
422 wbc_status = WBC_ERR_SUCCESS;
425 if (response.extra_data.data) {
426 free(response.extra_data.data);
429 if (WBC_ERROR_IS_OK(wbc_status)) {
430 *pp_domain_name = domain_name;
436 talloc_free(domain_name);
446 /** @brief Get the groups a user belongs to
450 wbcErr wbcLookupUserSids(const struct wbcDomainSid *user_sid,
451 bool domain_groups_only,
453 struct wbcDomainSid **_sids)
457 struct winbindd_request request;
458 struct winbindd_response response;
459 char *sid_string = NULL;
460 struct wbcDomainSid *sids = NULL;
461 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
464 /* Initialise request */
466 ZERO_STRUCT(request);
467 ZERO_STRUCT(response);
470 wbc_status = WBC_ERR_INVALID_PARAM;
471 BAIL_ON_WBC_ERROR(wbc_status);
474 wbc_status = wbcSidToString(user_sid, &sid_string);
475 BAIL_ON_WBC_ERROR(wbc_status);
477 strncpy(request.data.sid, sid_string, sizeof(request.data.sid)-1);
478 wbcFreeMemory(sid_string);
480 if (domain_groups_only) {
481 cmd = WINBINDD_GETUSERDOMGROUPS;
483 cmd = WINBINDD_GETUSERSIDS;
486 wbc_status = wbcRequestResponse(cmd,
489 BAIL_ON_WBC_ERROR(wbc_status);
491 if (response.data.num_entries &&
492 !response.extra_data.data) {
493 wbc_status = WBC_ERR_INVALID_RESPONSE;
494 BAIL_ON_WBC_ERROR(wbc_status);
497 sids = talloc_array(NULL, struct wbcDomainSid,
498 response.data.num_entries);
499 BAIL_ON_PTR_ERROR(sids, wbc_status);
501 s = (const char *)response.extra_data.data;
502 for (i = 0; i < response.data.num_entries; i++) {
503 char *n = strchr(s, '\n');
507 wbc_status = wbcStringToSid(s, &sids[i]);
508 BAIL_ON_WBC_ERROR(wbc_status);
512 *num_sids = response.data.num_entries;
515 wbc_status = WBC_ERR_SUCCESS;
518 if (response.extra_data.data) {
519 free(response.extra_data.data);
528 /** @brief Lists Users
532 wbcErr wbcListUsers(const char *domain_name,
533 uint32_t *_num_users,
534 const char ***_users)
536 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
537 struct winbindd_request request;
538 struct winbindd_response response;
539 uint32_t num_users = 0;
540 const char **users = NULL;
543 /* Initialise request */
545 ZERO_STRUCT(request);
546 ZERO_STRUCT(response);
549 strncpy(request.domain_name, domain_name,
550 sizeof(request.domain_name)-1);
553 wbc_status = wbcRequestResponse(WINBINDD_LIST_USERS,
556 BAIL_ON_WBC_ERROR(wbc_status);
558 /* Look through extra data */
560 next = (const char *)response.extra_data.data;
563 const char *current = next;
564 char *k = strchr(next, ',');
572 tmp = talloc_realloc(NULL, users,
575 BAIL_ON_PTR_ERROR(tmp, wbc_status);
578 users[num_users] = talloc_strdup(users, current);
579 BAIL_ON_PTR_ERROR(users[num_users], wbc_status);
584 *_num_users = num_users;
587 wbc_status = WBC_ERR_SUCCESS;
590 if (response.extra_data.data) {
591 free(response.extra_data.data);
599 /** @brief Lists Groups
603 wbcErr wbcListGroups(const char *domain_name,
604 uint32_t *_num_groups,
605 const char ***_groups)
607 wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
608 struct winbindd_request request;
609 struct winbindd_response response;
610 uint32_t num_groups = 0;
611 const char **groups = NULL;
614 /* Initialise request */
616 ZERO_STRUCT(request);
617 ZERO_STRUCT(response);
620 strncpy(request.domain_name, domain_name,
621 sizeof(request.domain_name)-1);
624 wbc_status = wbcRequestResponse(WINBINDD_LIST_GROUPS,
627 BAIL_ON_WBC_ERROR(wbc_status);
629 /* Look through extra data */
631 next = (const char *)response.extra_data.data;
634 const char *current = next;
635 char *k = strchr(next, ',');
643 tmp = talloc_realloc(NULL, groups,
646 BAIL_ON_PTR_ERROR(tmp, wbc_status);
649 groups[num_groups] = talloc_strdup(groups, current);
650 BAIL_ON_PTR_ERROR(groups[num_groups], wbc_status);
655 *_num_groups = num_groups;
658 wbc_status = WBC_ERR_SUCCESS;
661 if (response.extra_data.data) {
662 free(response.extra_data.data);