NSS_STATUS
LsaNssSolarisGroupGetgroupsbymember(
nss_backend_t* pBackend,
void* pArgs
)
{
struct nss_groupsbymem* pGroupsByMem = (struct nss_groupsbymem*) pArgs;
PCSTR pszUserName = pGroupsByMem->username;
int* pResultsSize = &pGroupsByMem->numgids;
int* pResultsCapacity = &pGroupsByMem->maxgids;
gid_t* pGidResults = pGroupsByMem->gid_array;
int err = 0;
int* pErrorNumber = &err;
int ret = NSS_STATUS_SUCCESS;
PLSA_NSS_GROUP_BACKEND pLsaBackend = (PLSA_NSS_GROUP_BACKEND) pBackend;
size_t myResultsSize = *pResultsSize;
size_t myResultsCapacity = *pResultsCapacity;
NSS_LOCK();
ret = LsaNssCommonGroupGetGroupsByUserName(
&pLsaBackend->lsaConnection,
pszUserName,
myResultsSize,
myResultsCapacity,
&myResultsSize,
pGidResults,
pErrorNumber);
NSS_UNLOCK();
if (ret == NSS_STATUS_SUCCESS)
{
if (myResultsSize > myResultsCapacity)
myResultsSize = myResultsCapacity;
*pResultsSize = (int) myResultsSize;
}
return ret;
}
NSS_STATUS
_nss_lsass_initgroups_dyn(
PCSTR pszUserName,
gid_t groupGid,
long int* pResultsSize,
long int* pResultsCapacity,
gid_t** ppGidResults,
long int maxGroups,
int* pErrorNumber
)
{
int ret = NSS_STATUS_SUCCESS;
size_t resultsCapacity = (size_t) *pResultsCapacity;
size_t resultsExistingSize = (size_t) *pResultsSize;
size_t resultsSize = 0;
gid_t* pGidResults = *ppGidResults;
gid_t* pGidResultsNew = NULL;
NSS_LOCK();
ret = LsaNssCommonGroupGetGroupsByUserName(
&lsaConnection,
pszUserName,
resultsExistingSize,
resultsCapacity,
&resultsSize,
pGidResults,
pErrorNumber);
if (ret != NSS_STATUS_SUCCESS)
goto error;
if (resultsSize > resultsCapacity)
{
/* More results were found than were stored, so
reallocate array and try again. */
pGidResultsNew = realloc(pGidResults, sizeof(*pGidResults) * resultsSize);
if (!pGidResultsNew)
{
*pErrorNumber = ENOMEM;
ret = NSS_STATUS_UNAVAIL;
goto error;
}
else
{
pGidResults = pGidResultsNew;
*ppGidResults = pGidResults;
}
/* The number of filled elements is whatever our old capacity was */
resultsExistingSize = resultsCapacity;
/* The new capacity is the number of available results */
resultsCapacity = resultsSize;
/* Try again */
ret = LsaNssCommonGroupGetGroupsByUserName(
&lsaConnection,
pszUserName,
resultsExistingSize,
resultsCapacity,
&resultsSize,
pGidResults,
pErrorNumber);
}
if (ret == NSS_STATUS_SUCCESS)
{
*pResultsSize = (long int) resultsSize;
*pResultsCapacity = (long int) resultsCapacity;
}
error:
NSS_UNLOCK();
return ret;
}
