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|
/*
* Unix SMB/CIFS implementation.
* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-1997,
* Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
* Copyright (C) Paul Ashton 1997,
* Copyright (C) Jeremy Allison 2001,
* Copyright (C) Rafal Szczesniak 2002,
* Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002,
* Copyright (C) Simo Sorce 2003.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* This is the implementation of the lsa server code. */
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV
extern PRIVS privs[];
struct lsa_info {
DOM_SID sid;
uint32 access;
};
struct generic_mapping lsa_generic_mapping = {
POLICY_READ,
POLICY_WRITE,
POLICY_EXECUTE,
POLICY_ALL_ACCESS
};
/*******************************************************************
Function to free the per handle data.
********************************************************************/
static void free_lsa_info(void *ptr)
{
struct lsa_info *lsa = (struct lsa_info *)ptr;
SAFE_FREE(lsa);
}
/***************************************************************************
Init dom_query
***************************************************************************/
static void init_dom_query(DOM_QUERY *d_q, const char *dom_name, DOM_SID *dom_sid)
{
d_q->buffer_dom_name = (dom_name != NULL) ? 1 : 0; /* domain buffer pointer */
d_q->buffer_dom_sid = (dom_sid != NULL) ? 1 : 0; /* domain sid pointer */
/* this string is supposed to be non-null terminated. */
/* But the maxlen in this UNISTR2 must include the terminating null. */
init_unistr2(&d_q->uni_domain_name, dom_name, UNI_BROKEN_NON_NULL);
/*
* I'm not sure why this really odd combination of length
* values works, but it does appear to. I need to look at
* this *much* more closely - but at the moment leave alone
* until it's understood. This allows a W2k client to join
* a domain with both odd and even length names... JRA.
*/
/*
* IMPORTANT NOTE !!!!
* The two fields below probably are reversed in meaning, ie.
* the first field is probably the str_len, the second the max
* len. Both are measured in bytes anyway.
*/
d_q->uni_dom_str_len = d_q->uni_domain_name.uni_max_len * 2;
d_q->uni_dom_max_len = d_q->uni_domain_name.uni_str_len * 2;
if (dom_sid != NULL)
init_dom_sid2(&d_q->dom_sid, dom_sid);
}
/***************************************************************************
init_dom_ref - adds a domain if it's not already in, returns the index.
***************************************************************************/
static int init_dom_ref(DOM_R_REF *ref, char *dom_name, DOM_SID *dom_sid)
{
int num = 0;
if (dom_name != NULL) {
for (num = 0; num < ref->num_ref_doms_1; num++) {
fstring domname;
rpcstr_pull(domname, ref->ref_dom[num].uni_dom_name.buffer, sizeof(domname), -1, 0);
if (strequal(domname, dom_name))
return num;
}
} else {
num = ref->num_ref_doms_1;
}
if (num >= MAX_REF_DOMAINS) {
/* index not found, already at maximum domain limit */
return -1;
}
ref->num_ref_doms_1 = num+1;
ref->ptr_ref_dom = 1;
ref->max_entries = MAX_REF_DOMAINS;
ref->num_ref_doms_2 = num+1;
ref->hdr_ref_dom[num].ptr_dom_sid = dom_sid != NULL ? 1 : 0;
init_unistr2(&ref->ref_dom[num].uni_dom_name, dom_name, UNI_FLAGS_NONE);
init_uni_hdr(&ref->hdr_ref_dom[num].hdr_dom_name, &ref->ref_dom[num].uni_dom_name);
init_dom_sid2(&ref->ref_dom[num].ref_dom, dom_sid );
return num;
}
/***************************************************************************
init_lsa_rid2s
***************************************************************************/
static void init_lsa_rid2s(DOM_R_REF *ref, DOM_RID2 *rid2,
int num_entries, UNISTR2 *name,
uint32 *mapped_count, BOOL endian)
{
int i;
int total = 0;
*mapped_count = 0;
SMB_ASSERT(num_entries <= MAX_LOOKUP_SIDS);
become_root(); /* lookup_name can require root privs */
for (i = 0; i < num_entries; i++) {
BOOL status = False;
DOM_SID sid;
uint32 rid = 0xffffffff;
int dom_idx = -1;
pstring full_name;
fstring dom_name, user;
enum SID_NAME_USE name_type = SID_NAME_UNKNOWN;
/* Split name into domain and user component */
unistr2_to_ascii(full_name, &name[i], sizeof(full_name));
split_domain_name(full_name, dom_name, user);
/* Lookup name */
DEBUG(5, ("init_lsa_rid2s: looking up name %s\n", full_name));
status = lookup_name(dom_name, user, &sid, &name_type);
if((name_type == SID_NAME_UNKNOWN) && (lp_server_role() == ROLE_DOMAIN_MEMBER) && (strncmp(dom_name, full_name, strlen(dom_name)) != 0)) {
DEBUG(5, ("init_lsa_rid2s: domain name not provided and local account not found, using member domain\n"));
fstrcpy(dom_name, lp_workgroup());
status = lookup_name(dom_name, user, &sid, &name_type);
}
#if 0 /* This is not true. */
if (name_type == SID_NAME_WKN_GRP) {
/* BUILTIN aliases are still aliases :-) */
name_type = SID_NAME_ALIAS;
}
#endif
DEBUG(5, ("init_lsa_rid2s: %s\n", status ? "found" :
"not found"));
if (status && name_type != SID_NAME_UNKNOWN) {
sid_split_rid(&sid, &rid);
dom_idx = init_dom_ref(ref, dom_name, &sid);
(*mapped_count)++;
} else {
dom_idx = -1;
rid = 0;
name_type = SID_NAME_UNKNOWN;
}
init_dom_rid2(&rid2[total], rid, name_type, dom_idx);
total++;
}
unbecome_root();
}
/***************************************************************************
init_reply_lookup_names
***************************************************************************/
static void init_reply_lookup_names(LSA_R_LOOKUP_NAMES *r_l,
DOM_R_REF *ref, uint32 num_entries,
DOM_RID2 *rid2, uint32 mapped_count)
{
r_l->ptr_dom_ref = 1;
r_l->dom_ref = ref;
r_l->num_entries = num_entries;
r_l->ptr_entries = 1;
r_l->num_entries2 = num_entries;
r_l->dom_rid = rid2;
r_l->mapped_count = mapped_count;
}
/***************************************************************************
Init lsa_trans_names.
***************************************************************************/
static void init_lsa_trans_names(TALLOC_CTX *ctx, DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *trn,
int num_entries, DOM_SID2 *sid,
uint32 *mapped_count)
{
int i;
int total = 0;
*mapped_count = 0;
/* Allocate memory for list of names */
if (num_entries > 0) {
if (!(trn->name = TALLOC_ARRAY(ctx, LSA_TRANS_NAME, num_entries))) {
DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
return;
}
if (!(trn->uni_name = TALLOC_ARRAY(ctx, UNISTR2, num_entries))) {
DEBUG(0, ("init_lsa_trans_names(): out of memory\n"));
return;
}
}
become_root(); /* Need root to get to passdb to for local sids */
for (i = 0; i < num_entries; i++) {
BOOL status = False;
DOM_SID find_sid = sid[i].sid;
uint32 rid = 0xffffffff;
int dom_idx = -1;
fstring name, dom_name;
enum SID_NAME_USE sid_name_use = (enum SID_NAME_USE)0;
sid_to_string(name, &find_sid);
DEBUG(5, ("init_lsa_trans_names: looking up sid %s\n", name));
/* Lookup sid from winbindd */
status = lookup_sid(&find_sid, dom_name, name, &sid_name_use);
DEBUG(5, ("init_lsa_trans_names: %s\n", status ? "found" :
"not found"));
if (!status) {
sid_name_use = SID_NAME_UNKNOWN;
memset(dom_name, '\0', sizeof(dom_name));
sid_to_string(name, &find_sid);
dom_idx = -1;
DEBUG(10,("init_lsa_trans_names: added unknown user '%s' to "
"referenced list.\n", name ));
} else {
(*mapped_count)++;
/* Store domain sid in ref array */
if (find_sid.num_auths == 5) {
sid_split_rid(&find_sid, &rid);
}
dom_idx = init_dom_ref(ref, dom_name, &find_sid);
DEBUG(10,("init_lsa_trans_names: added %s '%s\\%s' (%d) to referenced list.\n",
sid_type_lookup(sid_name_use), dom_name, name, sid_name_use ));
}
init_lsa_trans_name(&trn->name[total], &trn->uni_name[total],
sid_name_use, name, dom_idx);
total++;
}
unbecome_root();
trn->num_entries = total;
trn->ptr_trans_names = 1;
trn->num_entries2 = total;
}
/***************************************************************************
Init_reply_lookup_sids.
***************************************************************************/
static void init_reply_lookup_sids(LSA_R_LOOKUP_SIDS *r_l,
DOM_R_REF *ref, LSA_TRANS_NAME_ENUM *names,
uint32 mapped_count)
{
r_l->ptr_dom_ref = 1;
r_l->dom_ref = ref;
r_l->names = names;
r_l->mapped_count = mapped_count;
}
static NTSTATUS lsa_get_generic_sd(TALLOC_CTX *mem_ctx, SEC_DESC **sd, size_t *sd_size)
{
extern DOM_SID global_sid_World;
extern DOM_SID global_sid_Builtin;
DOM_SID local_adm_sid;
DOM_SID adm_sid;
SEC_ACE ace[3];
SEC_ACCESS mask;
SEC_ACL *psa = NULL;
init_sec_access(&mask, POLICY_EXECUTE);
init_sec_ace(&ace[0], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
sid_copy(&adm_sid, get_global_sam_sid());
sid_append_rid(&adm_sid, DOMAIN_GROUP_RID_ADMINS);
init_sec_access(&mask, POLICY_ALL_ACCESS);
init_sec_ace(&ace[1], &adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
sid_copy(&local_adm_sid, &global_sid_Builtin);
sid_append_rid(&local_adm_sid, BUILTIN_ALIAS_RID_ADMINS);
init_sec_access(&mask, POLICY_ALL_ACCESS);
init_sec_ace(&ace[2], &local_adm_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
if((psa = make_sec_acl(mem_ctx, NT4_ACL_REVISION, 3, ace)) == NULL)
return NT_STATUS_NO_MEMORY;
if((*sd = make_sec_desc(mem_ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, &adm_sid, NULL, NULL, psa, sd_size)) == NULL)
return NT_STATUS_NO_MEMORY;
return NT_STATUS_OK;
}
/***************************************************************************
Init_dns_dom_info.
***************************************************************************/
static void init_dns_dom_info(LSA_DNS_DOM_INFO *r_l, const char *nb_name,
const char *dns_name, const char *forest_name,
struct uuid *dom_guid, DOM_SID *dom_sid)
{
if (nb_name && *nb_name) {
init_unistr2(&r_l->uni_nb_dom_name, nb_name, UNI_FLAGS_NONE);
init_uni_hdr(&r_l->hdr_nb_dom_name, &r_l->uni_nb_dom_name);
r_l->hdr_nb_dom_name.uni_max_len += 2;
r_l->uni_nb_dom_name.uni_max_len += 1;
}
if (dns_name && *dns_name) {
init_unistr2(&r_l->uni_dns_dom_name, dns_name, UNI_FLAGS_NONE);
init_uni_hdr(&r_l->hdr_dns_dom_name, &r_l->uni_dns_dom_name);
r_l->hdr_dns_dom_name.uni_max_len += 2;
r_l->uni_dns_dom_name.uni_max_len += 1;
}
if (forest_name && *forest_name) {
init_unistr2(&r_l->uni_forest_name, forest_name, UNI_FLAGS_NONE);
init_uni_hdr(&r_l->hdr_forest_name, &r_l->uni_forest_name);
r_l->hdr_forest_name.uni_max_len += 2;
r_l->uni_forest_name.uni_max_len += 1;
}
/* how do we init the guid ? probably should write an init fn */
if (dom_guid) {
memcpy(&r_l->dom_guid, dom_guid, sizeof(struct uuid));
}
if (dom_sid) {
r_l->ptr_dom_sid = 1;
init_dom_sid2(&r_l->dom_sid, dom_sid);
}
}
/***************************************************************************
_lsa_open_policy2.
***************************************************************************/
NTSTATUS _lsa_open_policy2(pipes_struct *p, LSA_Q_OPEN_POL2 *q_u, LSA_R_OPEN_POL2 *r_u)
{
struct lsa_info *info;
SEC_DESC *psd = NULL;
size_t sd_size;
uint32 des_access=q_u->des_access;
uint32 acc_granted;
NTSTATUS status;
/* map the generic bits to the lsa policy ones */
se_map_generic(&des_access, &lsa_generic_mapping);
/* get the generic lsa policy SD until we store it */
lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
if (geteuid() != 0) {
return status;
}
DEBUG(4,("ACCESS should be DENIED (granted: %#010x; required: %#010x)\n",
acc_granted, des_access));
DEBUGADD(4,("but overwritten by euid == 0\n"));
}
/* This is needed for lsa_open_account and rpcclient .... :-) */
if (geteuid() == 0)
acc_granted = POLICY_ALL_ACCESS;
/* associate the domain SID with the (unique) handle. */
if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(info);
sid_copy(&info->sid,get_global_sam_sid());
info->access = acc_granted;
/* set up the LSA QUERY INFO response */
if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return NT_STATUS_OK;
}
/***************************************************************************
_lsa_open_policy
***************************************************************************/
NTSTATUS _lsa_open_policy(pipes_struct *p, LSA_Q_OPEN_POL *q_u, LSA_R_OPEN_POL *r_u)
{
struct lsa_info *info;
SEC_DESC *psd = NULL;
size_t sd_size;
uint32 des_access=q_u->des_access;
uint32 acc_granted;
NTSTATUS status;
/* map the generic bits to the lsa policy ones */
se_map_generic(&des_access, &lsa_generic_mapping);
/* get the generic lsa policy SD until we store it */
lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
if(!se_access_check(psd, p->pipe_user.nt_user_token, des_access, &acc_granted, &status)) {
if (geteuid() != 0) {
return status;
}
DEBUG(4,("ACCESS should be DENIED (granted: %#010x; required: %#010x)\n",
acc_granted, des_access));
DEBUGADD(4,("but overwritten by euid == 0\n"));
acc_granted = des_access;
}
/* associate the domain SID with the (unique) handle. */
if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(info);
sid_copy(&info->sid,get_global_sam_sid());
info->access = acc_granted;
/* set up the LSA QUERY INFO response */
if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return NT_STATUS_OK;
}
/***************************************************************************
_lsa_enum_trust_dom - this needs fixing to do more than return NULL ! JRA.
ufff, done :) mimir
***************************************************************************/
NTSTATUS _lsa_enum_trust_dom(pipes_struct *p, LSA_Q_ENUM_TRUST_DOM *q_u, LSA_R_ENUM_TRUST_DOM *r_u)
{
struct lsa_info *info;
uint32 enum_context = q_u->enum_context;
/*
* preferred length is set to 5 as a "our" preferred length
* nt sets this parameter to 2
* update (20.08.2002): it's not preferred length, but preferred size!
* it needs further investigation how to optimally choose this value
*/
uint32 max_num_domains = q_u->preferred_len < 5 ? q_u->preferred_len : 10;
TRUSTDOM **trust_doms;
uint32 num_domains;
NTSTATUS nt_status;
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
/* check if the user have enough rights */
if (!(info->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
nt_status = secrets_get_trusted_domains(p->mem_ctx, (int *)&enum_context, max_num_domains, (int *)&num_domains, &trust_doms);
if (!NT_STATUS_IS_OK(nt_status) &&
!NT_STATUS_EQUAL(nt_status, STATUS_MORE_ENTRIES) &&
!NT_STATUS_EQUAL(nt_status, NT_STATUS_NO_MORE_ENTRIES)) {
return nt_status;
} else {
r_u->status = nt_status;
}
/* set up the lsa_enum_trust_dom response */
init_r_enum_trust_dom(p->mem_ctx, r_u, enum_context, max_num_domains, num_domains, trust_doms);
return r_u->status;
}
/***************************************************************************
_lsa_query_info. See the POLICY_INFOMATION_CLASS docs at msdn.
***************************************************************************/
NTSTATUS _lsa_query_info(pipes_struct *p, LSA_Q_QUERY_INFO *q_u, LSA_R_QUERY_INFO *r_u)
{
struct lsa_info *handle;
LSA_INFO_UNION *info = &r_u->dom;
DOM_SID domain_sid;
const char *name;
DOM_SID *sid = NULL;
r_u->status = NT_STATUS_OK;
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
return NT_STATUS_INVALID_HANDLE;
switch (q_u->info_class) {
case 0x02:
{
unsigned int i;
/* check if the user have enough rights */
if (!(handle->access & POLICY_VIEW_AUDIT_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
/* fake info: We audit everything. ;) */
info->id2.auditing_enabled = 1;
info->id2.count1 = 7;
info->id2.count2 = 7;
if ((info->id2.auditsettings = TALLOC_ARRAY(p->mem_ctx,uint32, 7)) == NULL)
return NT_STATUS_NO_MEMORY;
for (i = 0; i < 7; i++)
info->id2.auditsettings[i] = 3;
break;
}
case 0x03:
/* check if the user have enough rights */
if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
/* Request PolicyPrimaryDomainInformation. */
switch (lp_server_role()) {
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
name = get_global_sam_name();
sid = get_global_sam_sid();
break;
case ROLE_DOMAIN_MEMBER:
name = lp_workgroup();
/* We need to return the Domain SID here. */
if (secrets_fetch_domain_sid(lp_workgroup(), &domain_sid))
sid = &domain_sid;
else
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
break;
case ROLE_STANDALONE:
name = lp_workgroup();
sid = NULL;
break;
default:
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
init_dom_query(&r_u->dom.id3, name, sid);
break;
case 0x05:
/* check if the user have enough rights */
if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
/* Request PolicyAccountDomainInformation. */
name = get_global_sam_name();
sid = get_global_sam_sid();
init_dom_query(&r_u->dom.id5, name, sid);
break;
case 0x06:
/* check if the user have enough rights */
if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
switch (lp_server_role()) {
case ROLE_DOMAIN_BDC:
/*
* only a BDC is a backup controller
* of the domain, it controls.
*/
info->id6.server_role = 2;
break;
default:
/*
* any other role is a primary
* of the domain, it controls.
*/
info->id6.server_role = 3;
break;
}
break;
default:
DEBUG(0,("_lsa_query_info: unknown info level in Lsa Query: %d\n", q_u->info_class));
r_u->status = NT_STATUS_INVALID_INFO_CLASS;
break;
}
if (NT_STATUS_IS_OK(r_u->status)) {
r_u->undoc_buffer = 0x22000000; /* bizarre */
r_u->info_class = q_u->info_class;
}
return r_u->status;
}
/***************************************************************************
_lsa_lookup_sids
***************************************************************************/
NTSTATUS _lsa_lookup_sids(pipes_struct *p, LSA_Q_LOOKUP_SIDS *q_u, LSA_R_LOOKUP_SIDS *r_u)
{
struct lsa_info *handle;
DOM_SID2 *sid = q_u->sids.sid;
int num_entries = q_u->sids.num_entries;
DOM_R_REF *ref = NULL;
LSA_TRANS_NAME_ENUM *names = NULL;
uint32 mapped_count = 0;
if (num_entries > MAX_LOOKUP_SIDS) {
num_entries = MAX_LOOKUP_SIDS;
DEBUG(5,("_lsa_lookup_sids: truncating SID lookup list to %d\n", num_entries));
}
ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
names = TALLOC_ZERO_P(p->mem_ctx, LSA_TRANS_NAME_ENUM);
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
r_u->status = NT_STATUS_INVALID_HANDLE;
goto done;
}
/* check if the user have enough rights */
if (!(handle->access & POLICY_LOOKUP_NAMES)) {
r_u->status = NT_STATUS_ACCESS_DENIED;
goto done;
}
if (!ref || !names)
return NT_STATUS_NO_MEMORY;
done:
/* set up the LSA Lookup SIDs response */
init_lsa_trans_names(p->mem_ctx, ref, names, num_entries, sid, &mapped_count);
if (NT_STATUS_IS_OK(r_u->status)) {
if (mapped_count == 0)
r_u->status = NT_STATUS_NONE_MAPPED;
else if (mapped_count != num_entries)
r_u->status = STATUS_SOME_UNMAPPED;
}
init_reply_lookup_sids(r_u, ref, names, mapped_count);
return r_u->status;
}
/***************************************************************************
lsa_reply_lookup_names
***************************************************************************/
NTSTATUS _lsa_lookup_names(pipes_struct *p,LSA_Q_LOOKUP_NAMES *q_u, LSA_R_LOOKUP_NAMES *r_u)
{
struct lsa_info *handle;
UNISTR2 *names = q_u->uni_name;
int num_entries = q_u->num_entries;
DOM_R_REF *ref;
DOM_RID2 *rids;
uint32 mapped_count = 0;
if (num_entries > MAX_LOOKUP_SIDS) {
num_entries = MAX_LOOKUP_SIDS;
DEBUG(5,("_lsa_lookup_names: truncating name lookup list to %d\n", num_entries));
}
ref = TALLOC_ZERO_P(p->mem_ctx, DOM_R_REF);
rids = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_RID2, num_entries);
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle)) {
r_u->status = NT_STATUS_INVALID_HANDLE;
goto done;
}
/* check if the user have enough rights */
if (!(handle->access & POLICY_LOOKUP_NAMES)) {
r_u->status = NT_STATUS_ACCESS_DENIED;
goto done;
}
if (!ref || !rids)
return NT_STATUS_NO_MEMORY;
done:
/* set up the LSA Lookup RIDs response */
init_lsa_rid2s(ref, rids, num_entries, names, &mapped_count, p->endian);
if (NT_STATUS_IS_OK(r_u->status)) {
if (mapped_count == 0)
r_u->status = NT_STATUS_NONE_MAPPED;
else if (mapped_count != num_entries)
r_u->status = STATUS_SOME_UNMAPPED;
}
init_reply_lookup_names(r_u, ref, num_entries, rids, mapped_count);
return r_u->status;
}
/***************************************************************************
_lsa_close. Also weird - needs to check if lsa handle is correct. JRA.
***************************************************************************/
NTSTATUS _lsa_close(pipes_struct *p, LSA_Q_CLOSE *q_u, LSA_R_CLOSE *r_u)
{
if (!find_policy_by_hnd(p, &q_u->pol, NULL))
return NT_STATUS_INVALID_HANDLE;
close_policy_hnd(p, &q_u->pol);
return NT_STATUS_OK;
}
/***************************************************************************
"No more secrets Marty...." :-).
***************************************************************************/
NTSTATUS _lsa_open_secret(pipes_struct *p, LSA_Q_OPEN_SECRET *q_u, LSA_R_OPEN_SECRET *r_u)
{
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
/***************************************************************************
_lsa_enum_privs.
***************************************************************************/
NTSTATUS _lsa_enum_privs(pipes_struct *p, LSA_Q_ENUM_PRIVS *q_u, LSA_R_ENUM_PRIVS *r_u)
{
struct lsa_info *handle;
uint32 i;
uint32 enum_context = q_u->enum_context;
int num_privs = count_all_privileges();
LSA_PRIV_ENTRY *entries = NULL;
/* remember that the enum_context starts at 0 and not 1 */
if ( enum_context >= num_privs )
return NT_STATUS_NO_MORE_ENTRIES;
DEBUG(10,("_lsa_enum_privs: enum_context:%d total entries:%d\n",
enum_context, num_privs));
if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs + 1)))
return NT_STATUS_NO_MEMORY;
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
return NT_STATUS_INVALID_HANDLE;
/* check if the user have enough rights
I don't know if it's the right one. not documented. */
if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
if ( !(entries = TALLOC_ZERO_ARRAY(p->mem_ctx, LSA_PRIV_ENTRY, num_privs )) )
return NT_STATUS_NO_MEMORY;
for (i = 0; i < num_privs; i++) {
if( i < enum_context) {
init_unistr2(&entries[i].name, NULL, UNI_FLAGS_NONE);
init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
entries[i].luid_low = 0;
entries[i].luid_high = 0;
} else {
init_unistr2(&entries[i].name, privs[i].name, UNI_FLAGS_NONE);
init_uni_hdr(&entries[i].hdr_name, &entries[i].name);
entries[i].luid_low = privs[i].se_priv;
entries[i].luid_high = 0;
}
}
enum_context = num_privs;
init_lsa_r_enum_privs(r_u, enum_context, num_privs, entries);
return NT_STATUS_OK;
}
/***************************************************************************
_lsa_priv_get_dispname.
***************************************************************************/
NTSTATUS _lsa_priv_get_dispname(pipes_struct *p, LSA_Q_PRIV_GET_DISPNAME *q_u, LSA_R_PRIV_GET_DISPNAME *r_u)
{
struct lsa_info *handle;
fstring name_asc;
int i = 0;
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
return NT_STATUS_INVALID_HANDLE;
/* check if the user have enough rights */
/*
* I don't know if it's the right one. not documented.
*/
if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
unistr2_to_ascii(name_asc, &q_u->name, sizeof(name_asc));
DEBUG(10,("_lsa_priv_get_dispname: %s\n", name_asc));
while (privs[i].se_priv != SE_END && !strequal(name_asc, privs[i].name))
i++;
if (privs[i].se_priv != SE_END) {
DEBUG(10,(": %s\n", privs[i].description));
init_unistr2(&r_u->desc, privs[i].description, UNI_FLAGS_NONE);
init_uni_hdr(&r_u->hdr_desc, &r_u->desc);
r_u->ptr_info = 0xdeadbeef;
r_u->lang_id = q_u->lang_id;
return NT_STATUS_OK;
} else {
DEBUG(10,("_lsa_priv_get_dispname: doesn't exist\n"));
r_u->ptr_info = 0;
return NT_STATUS_NO_SUCH_PRIVILEGE;
}
}
/***************************************************************************
_lsa_enum_accounts.
***************************************************************************/
NTSTATUS _lsa_enum_accounts(pipes_struct *p, LSA_Q_ENUM_ACCOUNTS *q_u, LSA_R_ENUM_ACCOUNTS *r_u)
{
struct lsa_info *handle;
DOM_SID *sid_list;
int i, j, num_entries;
LSA_SID_ENUM *sids=&r_u->sids;
NTSTATUS ret;
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
return NT_STATUS_INVALID_HANDLE;
if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
sid_list = NULL;
num_entries = 0;
/* The only way we can currently find out all the SIDs that have been
privileged is to scan all privileges */
if (!NT_STATUS_IS_OK(ret = privilege_enumerate_accounts(&sid_list, &num_entries))) {
return ret;
}
if (q_u->enum_context >= num_entries)
return NT_STATUS_NO_MORE_ENTRIES;
sids->ptr_sid = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_entries-q_u->enum_context);
sids->sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_entries-q_u->enum_context);
if (sids->ptr_sid==NULL || sids->sid==NULL) {
SAFE_FREE(sid_list);
return NT_STATUS_NO_MEMORY;
}
for (i = q_u->enum_context, j = 0; i < num_entries; i++, j++) {
init_dom_sid2(&(*sids).sid[j], &sid_list[i]);
(*sids).ptr_sid[j] = 1;
}
SAFE_FREE(sid_list);
init_lsa_r_enum_accounts(r_u, num_entries);
return NT_STATUS_OK;
}
NTSTATUS _lsa_unk_get_connuser(pipes_struct *p, LSA_Q_UNK_GET_CONNUSER *q_u, LSA_R_UNK_GET_CONNUSER *r_u)
{
fstring username, domname;
user_struct *vuser = get_valid_user_struct(p->vuid);
if (vuser == NULL)
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
fstrcpy(username, vuser->user.smb_name);
fstrcpy(domname, vuser->user.domain);
r_u->ptr_user_name = 1;
init_unistr2(&r_u->uni2_user_name, username, UNI_STR_TERMINATE);
init_uni_hdr(&r_u->hdr_user_name, &r_u->uni2_user_name);
r_u->unk1 = 1;
r_u->ptr_dom_name = 1;
init_unistr2(&r_u->uni2_dom_name, domname, UNI_STR_TERMINATE);
init_uni_hdr(&r_u->hdr_dom_name, &r_u->uni2_dom_name);
r_u->status = NT_STATUS_OK;
return r_u->status;
}
/***************************************************************************
Lsa Create Account
***************************************************************************/
NTSTATUS _lsa_create_account(pipes_struct *p, LSA_Q_CREATEACCOUNT *q_u, LSA_R_CREATEACCOUNT *r_u)
{
struct lsa_info *handle;
struct lsa_info *info;
/* find the connection policy handle. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
return NT_STATUS_INVALID_HANDLE;
/* check if the user have enough rights */
/*
* I don't know if it's the right one. not documented.
* but guessed with rpcclient.
*/
if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
/* associate the user/group SID with the (unique) handle. */
if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(info);
info->sid = q_u->sid.sid;
info->access = q_u->access;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return privilege_create_account( &info->sid );
}
/***************************************************************************
Lsa Open Account
***************************************************************************/
NTSTATUS _lsa_open_account(pipes_struct *p, LSA_Q_OPENACCOUNT *q_u, LSA_R_OPENACCOUNT *r_u)
{
struct lsa_info *handle;
struct lsa_info *info;
/* find the connection policy handle. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
return NT_STATUS_INVALID_HANDLE;
/* check if the user have enough rights */
/*
* I don't know if it's the right one. not documented.
* but guessed with rpcclient.
*/
if (!(handle->access & POLICY_GET_PRIVATE_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
/* TODO: Fis the parsing routine before reenabling this check! */
#if 0
if (!lookup_sid(&handle->sid, dom_name, name, &type))
return NT_STATUS_ACCESS_DENIED;
#endif
/* associate the user/group SID with the (unique) handle. */
if ((info = SMB_MALLOC_P(struct lsa_info)) == NULL)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(info);
info->sid = q_u->sid.sid;
info->access = q_u->access;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->pol, free_lsa_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return NT_STATUS_OK;
}
/***************************************************************************
For a given SID, enumerate all the privilege this account has.
***************************************************************************/
NTSTATUS _lsa_enum_privsaccount(pipes_struct *p, prs_struct *ps, LSA_Q_ENUMPRIVSACCOUNT *q_u, LSA_R_ENUMPRIVSACCOUNT *r_u)
{
struct lsa_info *info=NULL;
PRIVILEGE_SET priv;
/* find the connection policy handle. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
privilege_set_init( &priv );
get_privileges_for_sids( &priv, &info->sid, 1 );
DEBUG(10,("_lsa_enum_privsaccount: %s has %d privileges\n",
sid_string_static(&info->sid), priv.count));
init_lsa_r_enum_privsaccount(ps->mem_ctx, r_u, priv.set, priv.count, 0);
privilege_set_free( &priv );
return NT_STATUS_OK;
}
/***************************************************************************
***************************************************************************/
NTSTATUS _lsa_getsystemaccount(pipes_struct *p, LSA_Q_GETSYSTEMACCOUNT *q_u, LSA_R_GETSYSTEMACCOUNT *r_u)
{
struct lsa_info *info=NULL;
fstring name, dom_name;
enum SID_NAME_USE type;
/* find the connection policy handle. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
if (!lookup_sid(&info->sid, dom_name, name, &type))
return NT_STATUS_ACCESS_DENIED;
/*
0x01 -> Log on locally
0x02 -> Access this computer from network
0x04 -> Log on as a batch job
0x10 -> Log on as a service
they can be ORed together
*/
r_u->access = PR_LOG_ON_LOCALLY | PR_ACCESS_FROM_NETWORK;
return NT_STATUS_OK;
}
/***************************************************************************
update the systemaccount information
***************************************************************************/
NTSTATUS _lsa_setsystemaccount(pipes_struct *p, LSA_Q_SETSYSTEMACCOUNT *q_u, LSA_R_SETSYSTEMACCOUNT *r_u)
{
struct lsa_info *info=NULL;
GROUP_MAP map;
r_u->status = NT_STATUS_OK;
/* find the connection policy handle. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
if (!pdb_getgrsid(&map, info->sid))
return NT_STATUS_NO_SUCH_GROUP;
if(!pdb_update_group_mapping_entry(&map))
return NT_STATUS_NO_SUCH_GROUP;
return r_u->status;
}
/***************************************************************************
For a given SID, add some privileges.
***************************************************************************/
NTSTATUS _lsa_addprivs(pipes_struct *p, LSA_Q_ADDPRIVS *q_u, LSA_R_ADDPRIVS *r_u)
{
struct lsa_info *info = NULL;
int i = 0;
uint32 mask;
PRIVILEGE_SET *set = NULL;
/* find the connection policy handle. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
set = &q_u->set;
for (i = 0; i < set->count; i++) {
mask = luid_to_privilege_mask( &(set->set[i].luid) );
if ( mask != SE_END ) {
if ( !grant_privilege( &info->sid, mask ) ) {
DEBUG(3,("_lsa_addprivs: grant_privilege( %s, 0x%x) failed!\n",
sid_string_static(&info->sid), mask ));
return NT_STATUS_NO_SUCH_PRIVILEGE;
}
}
}
return NT_STATUS_OK;
}
/***************************************************************************
For a given SID, remove some privileges.
***************************************************************************/
NTSTATUS _lsa_removeprivs(pipes_struct *p, LSA_Q_REMOVEPRIVS *q_u, LSA_R_REMOVEPRIVS *r_u)
{
struct lsa_info *info = NULL;
int i = 0;
uint32 mask;
PRIVILEGE_SET *set = NULL;
/* find the connection policy handle. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
set = &q_u->set;
for (i = 0; i < set->count; i++) {
mask = luid_to_privilege_mask( &(set->set[i].luid) );
if ( mask != SE_END ) {
if ( !revoke_privilege( &info->sid, mask ) ) {
DEBUG(3,("_lsa_removeprivs: revoke_privilege( %s, 0x%x) failed!\n",
sid_string_static(&info->sid), mask ));
return NT_STATUS_NO_SUCH_PRIVILEGE;
}
}
}
return NT_STATUS_OK;
}
/***************************************************************************
For a given SID, remove some privileges.
***************************************************************************/
NTSTATUS _lsa_query_secobj(pipes_struct *p, LSA_Q_QUERY_SEC_OBJ *q_u, LSA_R_QUERY_SEC_OBJ *r_u)
{
struct lsa_info *handle=NULL;
SEC_DESC *psd = NULL;
size_t sd_size;
NTSTATUS status;
r_u->status = NT_STATUS_OK;
/* find the connection policy handle. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
return NT_STATUS_INVALID_HANDLE;
/* check if the user have enough rights */
if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
switch (q_u->sec_info) {
case 1:
/* SD contains only the owner */
status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
if(!NT_STATUS_IS_OK(status))
return NT_STATUS_NO_MEMORY;
if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
return NT_STATUS_NO_MEMORY;
break;
case 4:
/* SD contains only the ACL */
status=lsa_get_generic_sd(p->mem_ctx, &psd, &sd_size);
if(!NT_STATUS_IS_OK(status))
return NT_STATUS_NO_MEMORY;
if((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
return NT_STATUS_NO_MEMORY;
break;
default:
return NT_STATUS_INVALID_LEVEL;
}
r_u->ptr=1;
return r_u->status;
}
NTSTATUS _lsa_query_info2(pipes_struct *p, LSA_Q_QUERY_INFO2 *q_u, LSA_R_QUERY_INFO2 *r_u)
{
struct lsa_info *handle;
const char *nb_name;
char *dns_name = NULL;
char *forest_name = NULL;
DOM_SID *sid = NULL;
struct uuid guid;
fstring dnsdomname;
ZERO_STRUCT(guid);
r_u->status = NT_STATUS_OK;
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&handle))
return NT_STATUS_INVALID_HANDLE;
switch (q_u->info_class) {
case 0x0c:
/* check if the user have enough rights */
if (!(handle->access & POLICY_VIEW_LOCAL_INFORMATION))
return NT_STATUS_ACCESS_DENIED;
/* Request PolicyPrimaryDomainInformation. */
switch (lp_server_role()) {
case ROLE_DOMAIN_PDC:
case ROLE_DOMAIN_BDC:
nb_name = get_global_sam_name();
/* ugly temp hack for these next two */
/* This should be a 'netbios domain -> DNS domain' mapping */
dnsdomname[0] = '\0';
get_mydnsdomname(dnsdomname);
strlower_m(dnsdomname);
dns_name = dnsdomname;
forest_name = dnsdomname;
sid = get_global_sam_sid();
secrets_fetch_domain_guid(lp_workgroup(), &guid);
break;
default:
return NT_STATUS_CANT_ACCESS_DOMAIN_INFO;
}
init_dns_dom_info(&r_u->info.dns_dom_info, nb_name, dns_name,
forest_name,&guid,sid);
break;
default:
DEBUG(0,("_lsa_query_info2: unknown info level in Lsa Query: %d\n", q_u->info_class));
r_u->status = NT_STATUS_INVALID_INFO_CLASS;
break;
}
if (NT_STATUS_IS_OK(r_u->status)) {
r_u->ptr = 0x1;
r_u->info_class = q_u->info_class;
}
return r_u->status;
}
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