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Fix Bug #5461 and implement a very basic _samr_GetDisplayEnumerationIndex().

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Citrix PM cannot use a Samba DC when having more then 900 groups as citrix
insists on calling _samr_GetDisplayEnumerationIndex() after receiving the first
900 groups via _samr_QueryDisplayInfo() to get the continuation index.

Guenther
This commit is contained in:
Günther Deschner 2008-05-16 13:24:15 +02:00
parent 452a9ea4af
commit 1c4adc8dda
1 changed files with 139 additions and 20 deletions
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159
source/rpc_server/srv_samr_nt.c
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@ -5651,6 +5651,145 @@ NTSTATUS _samr_SetDomainInfo(pipes_struct *p,
return NT_STATUS_OK;
}
/****************************************************************
_samr_GetDisplayEnumerationIndex
****************************************************************/
NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
struct samr_GetDisplayEnumerationIndex *r)
{
struct samr_info *info = NULL;
uint32_t max_entries = (uint32_t) -1;
uint32_t enum_context = 0;
int i;
uint32_t num_account = 0;
struct samr_displayentry *entries = NULL;
DEBUG(5,("_samr_GetDisplayEnumerationIndex: %d\n", __LINE__));
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, r->in.domain_handle, (void **)(void *)&info)) {
return NT_STATUS_INVALID_HANDLE;
}
if ((r->in.level < 1) || (r->in.level > 3)) {
DEBUG(0,("_samr_GetDisplayEnumerationIndex: "
"Unknown info level (%u)\n",
r->in.level));
return NT_STATUS_INVALID_INFO_CLASS;
}
become_root();
/* The following done as ROOT. Don't return without unbecome_root(). */
switch (r->in.level) {
case 1:
if (info->disp_info->users == NULL) {
info->disp_info->users = pdb_search_users(ACB_NORMAL);
if (info->disp_info->users == NULL) {
unbecome_root();
return NT_STATUS_ACCESS_DENIED;
}
DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
"starting user enumeration at index %u\n",
(unsigned int)enum_context));
} else {
DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
"using cached user enumeration at index %u\n",
(unsigned int)enum_context));
}
num_account = pdb_search_entries(info->disp_info->users,
enum_context, max_entries,
&entries);
break;
case 2:
if (info->disp_info->machines == NULL) {
info->disp_info->machines =
pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
if (info->disp_info->machines == NULL) {
unbecome_root();
return NT_STATUS_ACCESS_DENIED;
}
DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
"starting machine enumeration at index %u\n",
(unsigned int)enum_context));
} else {
DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
"using cached machine enumeration at index %u\n",
(unsigned int)enum_context));
}
num_account = pdb_search_entries(info->disp_info->machines,
enum_context, max_entries,
&entries);
break;
case 3:
if (info->disp_info->groups == NULL) {
info->disp_info->groups = pdb_search_groups();
if (info->disp_info->groups == NULL) {
unbecome_root();
return NT_STATUS_ACCESS_DENIED;
}
DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
"starting group enumeration at index %u\n",
(unsigned int)enum_context));
} else {
DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
"using cached group enumeration at index %u\n",
(unsigned int)enum_context));
}
num_account = pdb_search_entries(info->disp_info->groups,
enum_context, max_entries,
&entries);
break;
default:
unbecome_root();
smb_panic("info class changed");
break;
}
unbecome_root();
/* Ensure we cache this enumeration. */
set_disp_info_cache_timeout(info->disp_info, DISP_INFO_CACHE_TIMEOUT);
DEBUG(10,("_samr_GetDisplayEnumerationIndex: looking for :%s\n",
r->in.name->string));
for (i=0; i<num_account; i++) {
if (strequal(entries[i].account_name, r->in.name->string)) {
DEBUG(10,("_samr_GetDisplayEnumerationIndex: "
"found %s at idx %d\n",
r->in.name->string, i));
*r->out.idx = i;
return NT_STATUS_OK;
}
}
/* assuming account_name lives at the very end */
*r->out.idx = num_account;
return NT_STATUS_NO_MORE_ENTRIES;
}
/****************************************************************
_samr_GetDisplayEnumerationIndex2
****************************************************************/
NTSTATUS _samr_GetDisplayEnumerationIndex2(pipes_struct *p,
struct samr_GetDisplayEnumerationIndex2 *r)
{
struct samr_GetDisplayEnumerationIndex q;
q.in.domain_handle = r->in.domain_handle;
q.in.level = r->in.level;
q.in.name = r->in.name;
q.out.idx = r->out.idx;
return _samr_GetDisplayEnumerationIndex(p, &q);
}
/****************************************************************
****************************************************************/
@ -5694,16 +5833,6 @@ NTSTATUS _samr_ChangePasswordUser(pipes_struct *p,
/****************************************************************
****************************************************************/
NTSTATUS _samr_GetDisplayEnumerationIndex(pipes_struct *p,
struct samr_GetDisplayEnumerationIndex *r)
{
p->rng_fault_state = true;
return NT_STATUS_NOT_IMPLEMENTED;
}
/****************************************************************
****************************************************************/
NTSTATUS _samr_TestPrivateFunctionsDomain(pipes_struct *p,
struct samr_TestPrivateFunctionsDomain *r)
{
@ -5734,16 +5863,6 @@ NTSTATUS _samr_QueryUserInfo2(pipes_struct *p,
/****************************************************************
****************************************************************/
NTSTATUS _samr_GetDisplayEnumerationIndex2(pipes_struct *p,
struct samr_GetDisplayEnumerationIndex2 *r)
{
p->rng_fault_state = true;
return NT_STATUS_NOT_IMPLEMENTED;
}
/****************************************************************
****************************************************************/
NTSTATUS _samr_AddMultipleMembersToAlias(pipes_struct *p,
struct samr_AddMultipleMembersToAlias *r)
{