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/*
Unix SMB/CIFS implementation.
Winbind client API
Copyright (C) Gerald (Jerry) Carter 2007
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* Required Headers */
#include "libwbclient.h"
/** @brief Convert a Windows SID to a Unix uid
*
* @param *sid Pointer to the domain SID to be resolved
* @param *puid Pointer to the resolved uid_t value
*
* @return #wbcErr
*
**/
wbcErr wbcSidToUid(const struct wbcDomainSid *sid, uid_t *puid)
{
struct winbindd_request request;
struct winbindd_response response;
char *sid_string = NULL;
wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
if (!sid || !puid) {
wbc_status = WBC_ERR_INVALID_PARAM;
BAIL_ON_WBC_ERROR(wbc_status);
}
/* Initialize request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
wbc_status = wbcSidToString(sid, &sid_string);
BAIL_ON_WBC_ERROR(wbc_status);
strncpy(request.data.sid, sid_string, sizeof(request.data.sid)-1);
wbcFreeMemory(sid_string);
/* Make request */
wbc_status = wbcRequestResponse(WINBINDD_SID_TO_UID,
&request,
&response);
BAIL_ON_WBC_ERROR(wbc_status);
*puid = response.data.uid;
wbc_status = WBC_ERR_SUCCESS;
done:
return wbc_status;
}
/** @brief Convert a Unix uid to a Windows SID
*
* @param uid Unix uid to be resolved
* @param *sid Pointer to the resolved domain SID
*
* @return #wbcErr
*
**/
wbcErr wbcUidToSid(uid_t uid, struct wbcDomainSid *sid)
{
wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
struct winbindd_request request;
struct winbindd_response response;
if (!sid) {
wbc_status = WBC_ERR_INVALID_PARAM;
BAIL_ON_WBC_ERROR(wbc_status);
}
/* Initialize request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
request.data.uid = uid;
/* Make request */
wbc_status = wbcRequestResponse(WINBINDD_UID_TO_SID,
&request,
&response);
BAIL_ON_WBC_ERROR(wbc_status);
wbc_status = wbcStringToSid(response.data.sid.sid, sid);
BAIL_ON_WBC_ERROR(wbc_status);
done:
return wbc_status;
}
/** @brief Convert a Windows SID to a Unix gid
*
* @param *sid Pointer to the domain SID to be resolved
* @param *pgid Pointer to the resolved gid_t value
*
* @return #wbcErr
*
**/
wbcErr wbcSidToGid(const struct wbcDomainSid *sid, gid_t *pgid)
{
struct winbindd_request request;
struct winbindd_response response;
wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
char *sid_string = NULL;
if (!sid || !pgid) {
wbc_status = WBC_ERR_INVALID_PARAM;
BAIL_ON_WBC_ERROR(wbc_status);
}
/* Initialize request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
wbc_status = wbcSidToString(sid, &sid_string);
BAIL_ON_WBC_ERROR(wbc_status);
strncpy(request.data.sid, sid_string, sizeof(request.data.sid)-1);
wbcFreeMemory(sid_string);
/* Make request */
wbc_status = wbcRequestResponse(WINBINDD_SID_TO_GID,
&request,
&response);
BAIL_ON_WBC_ERROR(wbc_status);
*pgid = response.data.gid;
wbc_status = WBC_ERR_SUCCESS;
done:
return wbc_status;
}
/** @brief Convert a Unix uid to a Windows SID
*
* @param gid Unix gid to be resolved
* @param *sid Pointer to the resolved domain SID
*
* @return #wbcErr
*
**/
wbcErr wbcGidToSid(gid_t gid, struct wbcDomainSid *sid)
{
struct winbindd_request request;
struct winbindd_response response;
wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
if (!sid) {
wbc_status = WBC_ERR_INVALID_PARAM;
BAIL_ON_WBC_ERROR(wbc_status);
}
/* Initialize request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
request.data.gid = gid;
/* Make request */
wbc_status = wbcRequestResponse(WINBINDD_GID_TO_SID,
&request,
&response);
BAIL_ON_WBC_ERROR(wbc_status);
wbc_status = wbcStringToSid(response.data.sid.sid, sid);
BAIL_ON_WBC_ERROR(wbc_status);
done:
return wbc_status;
}
/** @brief Obtain a new uid from Winbind
*
* @param *puid *pointer to the allocated uid
*
* @return #wbcErr
**/
wbcErr wbcAllocateUid(uid_t *puid)
{
struct winbindd_request request;
struct winbindd_response response;
NSS_STATUS result;
if (!puid)
return WBC_ERR_INVALID_PARAM;
/* Initialise request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
/* Make request */
result = wbcRequestResponse(WINBINDD_ALLOCATE_UID,
&request, &response);
if (result != NSS_STATUS_SUCCESS)
return WBC_ERR_UNKNOWN_FAILURE;
/* Copy out result */
*puid = response.data.uid;
return WBC_ERR_SUCCESS;
}
/** @brief Obtain a new gid from Winbind
*
* @param *pgid Pointer to the allocated gid
*
* @return #wbcErr
**/
wbcErr wbcAllocateGid(uid_t *pgid)
{
struct winbindd_request request;
struct winbindd_response response;
NSS_STATUS result;
if (!pgid)
return WBC_ERR_INVALID_PARAM;
/* Initialise request */
ZERO_STRUCT(request);
ZERO_STRUCT(response);
/* Make request */
result = wbcRequestResponse(WINBINDD_ALLOCATE_GID,
&request, &response);
if (result != NSS_STATUS_SUCCESS)
return WBC_ERR_UNKNOWN_FAILURE;
/* Copy out result */
*pgid = response.data.gid;
return WBC_ERR_SUCCESS;
}
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