/*
* 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) Marc Jacobsen 1999,
* Copyright (C) Jeremy Allison 2001-2002,
* Copyright (C) Jean François Micouleau 1998-2001,
* Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2002,
* Copyright (C) Gerald (Jerry) Carter 2003-2004,
* 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 SAMR code.
*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV
#define SAMR_USR_RIGHTS_WRITE_PW \
( READ_CONTROL_ACCESS | \
SA_RIGHT_USER_CHANGE_PASSWORD | \
SA_RIGHT_USER_SET_LOC_COM )
extern rid_name domain_group_rids[];
extern rid_name domain_alias_rids[];
extern rid_name builtin_alias_rids[];
typedef struct disp_info {
struct pdb_search *users; /* querydispinfo 1 and 4 */
struct pdb_search *machines; /* querydispinfo 2 */
struct pdb_search *groups; /* querydispinfo 3 and 5, enumgroups */
struct pdb_search *aliases; /* enumaliases */
struct pdb_search *builtins; /* enumaliases */
uint16 enum_acb_mask;
struct pdb_search *enum_users; /* enumusers with a mask */
} DISP_INFO;
struct samr_info {
/* for use by the \PIPE\samr policy */
DOM_SID sid;
uint32 status; /* some sort of flag. best to record it. comes from opnum 0x39 */
uint32 acc_granted;
uint16 acb_mask;
BOOL only_machines;
DISP_INFO disp_info;
TALLOC_CTX *mem_ctx;
};
struct generic_mapping sam_generic_mapping = {GENERIC_RIGHTS_SAM_READ, GENERIC_RIGHTS_SAM_WRITE, GENERIC_RIGHTS_SAM_EXECUTE, GENERIC_RIGHTS_SAM_ALL_ACCESS};
struct generic_mapping dom_generic_mapping = {GENERIC_RIGHTS_DOMAIN_READ, GENERIC_RIGHTS_DOMAIN_WRITE, GENERIC_RIGHTS_DOMAIN_EXECUTE, GENERIC_RIGHTS_DOMAIN_ALL_ACCESS};
struct generic_mapping usr_generic_mapping = {GENERIC_RIGHTS_USER_READ, GENERIC_RIGHTS_USER_WRITE, GENERIC_RIGHTS_USER_EXECUTE, GENERIC_RIGHTS_USER_ALL_ACCESS};
struct generic_mapping grp_generic_mapping = {GENERIC_RIGHTS_GROUP_READ, GENERIC_RIGHTS_GROUP_WRITE, GENERIC_RIGHTS_GROUP_EXECUTE, GENERIC_RIGHTS_GROUP_ALL_ACCESS};
struct generic_mapping ali_generic_mapping = {GENERIC_RIGHTS_ALIAS_READ, GENERIC_RIGHTS_ALIAS_WRITE, GENERIC_RIGHTS_ALIAS_EXECUTE, GENERIC_RIGHTS_ALIAS_ALL_ACCESS};
/*******************************************************************
*******************************************************************/
static NTSTATUS make_samr_object_sd( TALLOC_CTX *ctx, SEC_DESC **psd, size_t *sd_size,
struct generic_mapping *map,
DOM_SID *sid, uint32 sid_access )
{
DOM_SID domadmin_sid;
SEC_ACE ace[5]; /* at most 5 entries */
SEC_ACCESS mask;
size_t i = 0;
SEC_ACL *psa = NULL;
/* basic access for Everyone */
init_sec_access(&mask, map->generic_execute | map->generic_read );
init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
/* add Full Access 'BUILTIN\Administrators' and 'BUILTIN\Account Operators */
init_sec_access(&mask, map->generic_all);
init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
init_sec_ace(&ace[i++], &global_sid_Builtin_Account_Operators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
/* Add Full Access for Domain Admins if we are a DC */
if ( IS_DC ) {
sid_copy( &domadmin_sid, get_global_sam_sid() );
sid_append_rid( &domadmin_sid, DOMAIN_GROUP_RID_ADMINS );
init_sec_ace(&ace[i++], &domadmin_sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
}
/* if we have a sid, give it some special access */
if ( sid ) {
init_sec_access( &mask, sid_access );
init_sec_ace(&ace[i++], sid, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
}
/* create the security descriptor */
if ((psa = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) == NULL)
return NT_STATUS_NO_MEMORY;
if ((*psd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, psa, sd_size)) == NULL)
return NT_STATUS_NO_MEMORY;
return NT_STATUS_OK;
}
/*******************************************************************
Checks if access to an object should be granted, and returns that
level of access for further checks.
********************************************************************/
static NTSTATUS access_check_samr_object( SEC_DESC *psd, NT_USER_TOKEN *token,
SE_PRIV *rights, uint32 rights_mask,
uint32 des_access, uint32 *acc_granted,
const char *debug )
{
NTSTATUS status = NT_STATUS_ACCESS_DENIED;
uint32 saved_mask = 0;
/* check privileges; certain SAM access bits should be overridden
by privileges (mostly having to do with creating/modifying/deleting
users and groups) */
if ( rights && user_has_any_privilege( token, rights ) ) {
saved_mask = (des_access & rights_mask);
des_access &= ~saved_mask;
DEBUG(4,("access_check_samr_object: user rights access mask [0x%x]\n",
rights_mask));
}
/* check the security descriptor first */
if ( se_access_check(psd, token, des_access, acc_granted, &status) )
goto done;
/* give root a free pass */
if ( geteuid() == sec_initial_uid() ) {
DEBUG(4,("%s: ACCESS should be DENIED (requested: %#010x)\n", debug, des_access));
DEBUGADD(4,("but overritten by euid == sec_initial_uid()\n"));
*acc_granted = des_access;
status = NT_STATUS_OK;
goto done;
}
done:
/* add in any bits saved during the privilege check (only
matters is status is ok) */
*acc_granted |= rights_mask;
DEBUG(4,("%s: access %s (requested: 0x%08x, granted: 0x%08x)\n",
debug, NT_STATUS_IS_OK(status) ? "GRANTED" : "DENIED",
des_access, *acc_granted));
return status;
}
/*******************************************************************
Checks if access to a function can be granted
********************************************************************/
static NTSTATUS access_check_samr_function(uint32 acc_granted, uint32 acc_required, const char *debug)
{
DEBUG(5,("%s: access check ((granted: %#010x; required: %#010x)\n",
debug, acc_granted, acc_required));
/* check the security descriptor first */
if ( (acc_granted&acc_required) == acc_required )
return NT_STATUS_OK;
/* give root a free pass */
if (geteuid() == sec_initial_uid()) {
DEBUG(4,("%s: ACCESS should be DENIED (granted: %#010x; required: %#010x)\n",
debug, acc_granted, acc_required));
DEBUGADD(4,("but overwritten by euid == 0\n"));
return NT_STATUS_OK;
}
DEBUG(2,("%s: ACCESS DENIED (granted: %#010x; required: %#010x)\n",
debug, acc_granted, acc_required));
return NT_STATUS_ACCESS_DENIED;
}
/*******************************************************************
Create a samr_info struct.
********************************************************************/
static struct samr_info *get_samr_info_by_sid(DOM_SID *psid)
{
struct samr_info *info;
fstring sid_str;
TALLOC_CTX *mem_ctx;
if (psid) {
sid_to_string(sid_str, psid);
} else {
fstrcpy(sid_str,"(NULL)");
}
mem_ctx = talloc_init("samr_info for domain sid %s", sid_str);
if ((info = TALLOC_ZERO_P(mem_ctx, struct samr_info)) == NULL)
return NULL;
DEBUG(10,("get_samr_info_by_sid: created new info for sid %s\n", sid_str));
if (psid) {
sid_copy( &info->sid, psid);
} else {
DEBUG(10,("get_samr_info_by_sid: created new info for NULL sid.\n"));
}
info->mem_ctx = mem_ctx;
return info;
}
/*******************************************************************
Function to free the per handle data.
********************************************************************/
/*******************************************************************
Function to free the per handle data.
********************************************************************/
static void free_samr_db(struct samr_info *info)
{
pdb_search_destroy(info->disp_info.users);
info->disp_info.users = NULL;
pdb_search_destroy(info->disp_info.machines);
info->disp_info.machines = NULL;
pdb_search_destroy(info->disp_info.groups);
info->disp_info.groups = NULL;
pdb_search_destroy(info->disp_info.aliases);
info->disp_info.aliases = NULL;
pdb_search_destroy(info->disp_info.builtins);
info->disp_info.builtins = NULL;
pdb_search_destroy(info->disp_info.enum_users);
info->disp_info.enum_users = NULL;
}
static void free_samr_info(void *ptr)
{
struct samr_info *info=(struct samr_info *) ptr;
free_samr_db(info);
talloc_destroy(info->mem_ctx);
}
/*******************************************************************
Ensure password info is never given out. Paranioa... JRA.
********************************************************************/
static void samr_clear_sam_passwd(SAM_ACCOUNT *sam_pass)
{
if (!sam_pass)
return;
/* These now zero out the old password */
pdb_set_lanman_passwd(sam_pass, NULL, PDB_DEFAULT);
pdb_set_nt_passwd(sam_pass, NULL, PDB_DEFAULT);
}
static uint32 count_sam_users(struct disp_info *info, uint16 acct_flags)
{
struct samr_displayentry *entry;
if (info->users == NULL)
info->users = pdb_search_users(acct_flags);
if (info->users == NULL)
return 0;
/* Fetch the last possible entry, thus trigger an enumeration */
pdb_search_entries(info->users, 0xffffffff, 1, &entry);
return info->users->num_entries;
}
static uint32 count_sam_groups(struct disp_info *info)
{
struct samr_displayentry *entry;
if (info->groups == NULL)
info->groups = pdb_search_groups();
if (info->groups == NULL)
return 0;
/* Fetch the last possible entry, thus trigger an enumeration */
pdb_search_entries(info->groups, 0xffffffff, 1, &entry);
return info->groups->num_entries;
}
/*******************************************************************
_samr_close_hnd
********************************************************************/
NTSTATUS _samr_close_hnd(pipes_struct *p, SAMR_Q_CLOSE_HND *q_u, SAMR_R_CLOSE_HND *r_u)
{
r_u->status = NT_STATUS_OK;
/* close the policy handle */
if (!close_policy_hnd(p, &q_u->pol))
return NT_STATUS_OBJECT_NAME_INVALID;
DEBUG(5,("samr_reply_close_hnd: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
samr_reply_open_domain
********************************************************************/
NTSTATUS _samr_open_domain(pipes_struct *p, SAMR_Q_OPEN_DOMAIN *q_u, SAMR_R_OPEN_DOMAIN *r_u)
{
struct samr_info *info;
SEC_DESC *psd = NULL;
uint32 acc_granted;
uint32 des_access = q_u->flags;
NTSTATUS status;
size_t sd_size;
SE_PRIV se_rights;
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;
status = access_check_samr_function( info->acc_granted,
SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_open_domain" );
if ( !NT_STATUS_IS_OK(status) )
return status;
/*check if access can be granted as requested by client. */
make_samr_object_sd( p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0 );
se_map_generic( &des_access, &dom_generic_mapping );
se_priv_copy( &se_rights, &se_machine_account );
se_priv_add( &se_rights, &se_add_users );
status = access_check_samr_object( psd, p->pipe_user.nt_user_token,
&se_rights, GENERIC_RIGHTS_DOMAIN_WRITE, des_access,
&acc_granted, "_samr_open_domain" );
if ( !NT_STATUS_IS_OK(status) )
return status;
/* associate the domain SID with the (unique) handle. */
if ((info = get_samr_info_by_sid(&q_u->dom_sid.sid))==NULL)
return NT_STATUS_NO_MEMORY;
info->acc_granted = acc_granted;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->domain_pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
DEBUG(5,("samr_open_domain: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
_samr_get_usrdom_pwinfo
********************************************************************/
NTSTATUS _samr_get_usrdom_pwinfo(pipes_struct *p, SAMR_Q_GET_USRDOM_PWINFO *q_u, SAMR_R_GET_USRDOM_PWINFO *r_u)
{
struct samr_info *info = NULL;
r_u->status = NT_STATUS_OK;
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->user_pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
if (!sid_check_is_in_our_domain(&info->sid))
return NT_STATUS_OBJECT_TYPE_MISMATCH;
init_samr_r_get_usrdom_pwinfo(r_u, NT_STATUS_OK);
DEBUG(5,("_samr_get_usrdom_pwinfo: %d\n", __LINE__));
/*
* NT sometimes return NT_STATUS_ACCESS_DENIED
* I don't know yet why.
*/
return r_u->status;
}
/*******************************************************************
_samr_set_sec_obj
********************************************************************/
NTSTATUS _samr_set_sec_obj(pipes_struct *p, SAMR_Q_SET_SEC_OBJ *q_u, SAMR_R_SET_SEC_OBJ *r_u)
{
DEBUG(0,("_samr_set_sec_obj: Not yet implemented!\n"));
return NT_STATUS_NOT_IMPLEMENTED;
}
/*******************************************************************
********************************************************************/
static BOOL get_lsa_policy_samr_sid( pipes_struct *p, POLICY_HND *pol,
DOM_SID *sid, uint32 *acc_granted)
{
struct samr_info *info = NULL;
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, pol, (void **)&info))
return False;
if (!info)
return False;
*sid = info->sid;
*acc_granted = info->acc_granted;
return True;
}
/*******************************************************************
_samr_query_sec_obj
********************************************************************/
NTSTATUS _samr_query_sec_obj(pipes_struct *p, SAMR_Q_QUERY_SEC_OBJ *q_u, SAMR_R_QUERY_SEC_OBJ *r_u)
{
DOM_SID pol_sid;
fstring str_sid;
SEC_DESC * psd = NULL;
uint32 acc_granted;
size_t sd_size;
r_u->status = NT_STATUS_OK;
/* Get the SID. */
if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &pol_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
DEBUG(10,("_samr_query_sec_obj: querying security on SID: %s\n", sid_to_string(str_sid, &pol_sid)));
/* Check what typ of SID is beeing queried (e.g Domain SID, User SID, Group SID) */
/* To query the security of the SAM it self an invalid SID with S-0-0 is passed to this function */
if (pol_sid.sid_rev_num == 0)
{
DEBUG(5,("_samr_query_sec_obj: querying security on SAM\n"));
r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
}
else if (sid_equal(&pol_sid,get_global_sam_sid())) /* check if it is our domain SID */
{
DEBUG(5,("_samr_query_sec_obj: querying security on Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
}
else if (sid_equal(&pol_sid,&global_sid_Builtin)) /* check if it is the Builtin Domain */
{
/* TODO: Builtin probably needs a different SD with restricted write access*/
DEBUG(5,("_samr_query_sec_obj: querying security on Builtin Domain with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &dom_generic_mapping, NULL, 0);
}
else if (sid_check_is_in_our_domain(&pol_sid) ||
sid_check_is_in_builtin(&pol_sid))
{
/* TODO: different SDs have to be generated for aliases groups and users.
Currently all three get a default user SD */
DEBUG(10,("_samr_query_sec_obj: querying security on Object with SID: %s\n", sid_to_string(str_sid, &pol_sid)));
r_u->status = make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &pol_sid, SAMR_USR_RIGHTS_WRITE_PW);
}
else return NT_STATUS_OBJECT_TYPE_MISMATCH;
if ((r_u->buf = make_sec_desc_buf(p->mem_ctx, sd_size, psd)) == NULL)
return NT_STATUS_NO_MEMORY;
if (NT_STATUS_IS_OK(r_u->status))
r_u->ptr = 1;
return r_u->status;
}
/*******************************************************************
makes a SAM_ENTRY / UNISTR2* structure from a user list.
********************************************************************/
static NTSTATUS make_user_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp,
UNISTR2 **uni_name_pp,
uint32 num_entries, uint32 start_idx,
struct samr_displayentry *entries)
{
uint32 i;
SAM_ENTRY *sam;
UNISTR2 *uni_name;
*sam_pp = NULL;
*uni_name_pp = NULL;
if (num_entries == 0)
return NT_STATUS_OK;
sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_entries);
uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_entries);
if (sam == NULL || uni_name == NULL) {
DEBUG(0, ("make_user_sam_entry_list: talloc_zero failed!\n"));
return NT_STATUS_NO_MEMORY;
}
for (i = 0; i < num_entries; i++) {
UNISTR2 uni_temp_name;
/*
* usrmgr expects a non-NULL terminated string with
* trust relationships
*/
if (entries[i].acct_flags & ACB_DOMTRUST) {
init_unistr2(&uni_temp_name, entries[i].account_name,
UNI_FLAGS_NONE);
} else {
init_unistr2(&uni_temp_name, entries[i].account_name,
UNI_STR_TERMINATE);
}
init_sam_entry(&sam[i], &uni_temp_name, entries[i].rid);
copy_unistr2(&uni_name[i], &uni_temp_name);
}
*sam_pp = sam;
*uni_name_pp = uni_name;
return NT_STATUS_OK;
}
/*******************************************************************
samr_reply_enum_dom_users
********************************************************************/
NTSTATUS _samr_enum_dom_users(pipes_struct *p, SAMR_Q_ENUM_DOM_USERS *q_u,
SAMR_R_ENUM_DOM_USERS *r_u)
{
struct samr_info *info = NULL;
int num_account;
uint32 enum_context=q_u->start_idx;
enum remote_arch_types ra_type = get_remote_arch();
int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
uint32 max_entries = max_sam_entries;
struct samr_displayentry *entries = NULL;
r_u->status = NT_STATUS_OK;
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
"_samr_enum_dom_users"))) {
return r_u->status;
}
DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
become_root();
if ((info->disp_info.enum_users != NULL) &&
(info->disp_info.enum_acb_mask != q_u->acb_mask)) {
pdb_search_destroy(info->disp_info.enum_users);
info->disp_info.enum_users = NULL;
}
if (info->disp_info.enum_users == NULL) {
info->disp_info.enum_users = pdb_search_users(q_u->acb_mask);
info->disp_info.enum_acb_mask = q_u->acb_mask;
}
if (info->disp_info.enum_users == NULL)
return NT_STATUS_ACCESS_DENIED;
num_account = pdb_search_entries(info->disp_info.enum_users,
enum_context, max_entries,
&entries);
unbecome_root();
if (num_account == 0) {
DEBUG(5, ("_samr_enum_dom_users: enumeration handle over "
"total entries\n"));
return NT_STATUS_OK;
}
r_u->status = make_user_sam_entry_list(p->mem_ctx, &r_u->sam,
&r_u->uni_acct_name,
num_account, enum_context,
entries);
if (!NT_STATUS_IS_OK(r_u->status))
return r_u->status;
if (max_entries <= num_account)
r_u->status = STATUS_MORE_ENTRIES;
DEBUG(5, ("_samr_enum_dom_users: %d\n", __LINE__));
init_samr_r_enum_dom_users(r_u, q_u->start_idx + num_account,
num_account);
DEBUG(5,("_samr_enum_dom_users: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
makes a SAM_ENTRY / UNISTR2* structure from a group list.
********************************************************************/
static void make_group_sam_entry_list(TALLOC_CTX *ctx, SAM_ENTRY **sam_pp,
UNISTR2 **uni_name_pp,
uint32 num_sam_entries,
struct samr_displayentry *entries)
{
uint32 i;
SAM_ENTRY *sam;
UNISTR2 *uni_name;
*sam_pp = NULL;
*uni_name_pp = NULL;
if (num_sam_entries == 0)
return;
sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
if (sam == NULL || uni_name == NULL) {
DEBUG(0, ("NULL pointers in SAMR_R_QUERY_DISPINFO\n"));
return;
}
for (i = 0; i < num_sam_entries; i++) {
/*
* JRA. I think this should include the null. TNG does not.
*/
init_unistr2(&uni_name[i], entries[i].account_name,
UNI_STR_TERMINATE);
init_sam_entry(&sam[i], &uni_name[i], entries[i].rid);
}
*sam_pp = sam;
*uni_name_pp = uni_name;
}
/*******************************************************************
samr_reply_enum_dom_groups
********************************************************************/
NTSTATUS _samr_enum_dom_groups(pipes_struct *p, SAMR_Q_ENUM_DOM_GROUPS *q_u, SAMR_R_ENUM_DOM_GROUPS *r_u)
{
struct samr_info *info = NULL;
struct samr_displayentry *groups;
uint32 num_groups;
r_u->status = NT_STATUS_OK;
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
r_u->status = access_check_samr_function(info->acc_granted,
SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
"_samr_enum_dom_groups");
if (!NT_STATUS_IS_OK(r_u->status))
return r_u->status;
DEBUG(5,("samr_reply_enum_dom_groups: %d\n", __LINE__));
/* the domain group array is being allocated in the function below */
become_root();
if (info->disp_info.groups == NULL)
info->disp_info.groups = pdb_search_groups();
unbecome_root();
if (info->disp_info.groups == NULL)
return NT_STATUS_ACCESS_DENIED;
become_root();
num_groups = pdb_search_entries(info->disp_info.groups, q_u->start_idx,
MAX_SAM_ENTRIES, &groups);
unbecome_root();
make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name,
num_groups, groups);
init_samr_r_enum_dom_groups(r_u, q_u->start_idx, num_groups);
DEBUG(5,("samr_enum_dom_groups: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
samr_reply_enum_dom_aliases
********************************************************************/
NTSTATUS _samr_enum_dom_aliases(pipes_struct *p, SAMR_Q_ENUM_DOM_ALIASES *q_u, SAMR_R_ENUM_DOM_ALIASES *r_u)
{
struct samr_info *info;
struct samr_displayentry *aliases;
struct pdb_search **search = NULL;
uint32 num_aliases = 0;
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
r_u->status = access_check_samr_function(info->acc_granted,
SA_RIGHT_DOMAIN_ENUM_ACCOUNTS,
"_samr_enum_dom_aliases");
if (!NT_STATUS_IS_OK(r_u->status))
return r_u->status;
DEBUG(5,("samr_reply_enum_dom_aliases: sid %s\n",
sid_string_static(&info->sid)));
if (sid_check_is_domain(&info->sid))
search = &info->disp_info.aliases;
if (sid_check_is_builtin(&info->sid))
search = &info->disp_info.builtins;
if (search == NULL)
return NT_STATUS_INVALID_HANDLE;
become_root();
if (*search == NULL)
*search = pdb_search_aliases(&info->sid);
unbecome_root();
if (*search == NULL)
return NT_STATUS_ACCESS_DENIED;
become_root();
num_aliases = pdb_search_entries(*search, q_u->start_idx,
MAX_SAM_ENTRIES, &aliases);
unbecome_root();
make_group_sam_entry_list(p->mem_ctx, &r_u->sam, &r_u->uni_grp_name,
num_aliases, aliases);
init_samr_r_enum_dom_aliases(r_u, q_u->start_idx + num_aliases,
num_aliases);
DEBUG(5,("samr_enum_dom_aliases: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
samr_reply_query_dispinfo
********************************************************************/
NTSTATUS _samr_query_dispinfo(pipes_struct *p, SAMR_Q_QUERY_DISPINFO *q_u,
SAMR_R_QUERY_DISPINFO *r_u)
{
struct samr_info *info = NULL;
uint32 struct_size=0x20; /* W2K always reply that, client doesn't care */
uint32 max_entries=q_u->max_entries;
uint32 enum_context=q_u->start_idx;
uint32 max_size=q_u->max_size;
SAM_DISPINFO_CTR *ctr;
uint32 temp_size=0, total_data_size=0;
NTSTATUS disp_ret;
uint32 num_account = 0;
enum remote_arch_types ra_type = get_remote_arch();
int max_sam_entries = (ra_type == RA_WIN95) ? MAX_SAM_ENTRIES_W95 : MAX_SAM_ENTRIES_W2K;
struct samr_displayentry *entries = NULL;
DEBUG(5, ("samr_reply_query_dispinfo: %d\n", __LINE__));
r_u->status = NT_STATUS_UNSUCCESSFUL;
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
/*
* calculate how many entries we will return.
* based on
* - the number of entries the client asked
* - our limit on that
* - the starting point (enumeration context)
* - the buffer size the client will accept
*/
/*
* We are a lot more like W2K. Instead of reading the SAM
* each time to find the records we need to send back,
* we read it once and link that copy to the sam handle.
* For large user list (over the MAX_SAM_ENTRIES)
* it's a definitive win.
* second point to notice: between enumerations
* our sam is now the same as it's a snapshoot.
* third point: got rid of the static SAM_USER_21 struct
* no more intermediate.
* con: it uses much more memory, as a full copy is stored
* in memory.
*
* If you want to change it, think twice and think
* of the second point , that's really important.
*
* JFM, 12/20/2001
*/
if ((q_u->switch_level < 1) || (q_u->switch_level > 5)) {
DEBUG(0,("_samr_query_dispinfo: Unknown info level (%u)\n",
(unsigned int)q_u->switch_level ));
return NT_STATUS_INVALID_INFO_CLASS;
}
/* first limit the number of entries we will return */
if(max_entries > max_sam_entries) {
DEBUG(5, ("samr_reply_query_dispinfo: client requested %d "
"entries, limiting to %d\n", max_entries,
max_sam_entries));
max_entries = max_sam_entries;
}
/* calculate the size and limit on the number of entries we will
* return */
temp_size=max_entries*struct_size;
if (temp_size>max_size) {
max_entries=MIN((max_size/struct_size),max_entries);;
DEBUG(5, ("samr_reply_query_dispinfo: buffer size limits to "
"only %d entries\n", max_entries));
}
if (!(ctr = TALLOC_ZERO_P(p->mem_ctx,SAM_DISPINFO_CTR)))
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(ctr);
become_root();
switch (q_u->switch_level) {
case 0x1:
case 0x4:
if (info->disp_info.users == NULL)
info->disp_info.users = pdb_search_users(ACB_NORMAL);
if (info->disp_info.users == NULL)
return NT_STATUS_ACCESS_DENIED;
num_account = pdb_search_entries(info->disp_info.users,
enum_context, max_entries,
&entries);
break;
case 0x2:
if (info->disp_info.machines == NULL)
info->disp_info.machines =
pdb_search_users(ACB_WSTRUST|ACB_SVRTRUST);
if (info->disp_info.machines == NULL)
return NT_STATUS_ACCESS_DENIED;
num_account = pdb_search_entries(info->disp_info.machines,
enum_context, max_entries,
&entries);
break;
case 0x3:
case 0x5:
if (info->disp_info.groups == NULL)
info->disp_info.groups = pdb_search_groups();
if (info->disp_info.groups == NULL)
return NT_STATUS_ACCESS_DENIED;
num_account = pdb_search_entries(info->disp_info.groups,
enum_context, max_entries,
&entries);
break;
default:
smb_panic("info class changed");
break;
}
unbecome_root();
/* Now create reply structure */
switch (q_u->switch_level) {
case 0x1:
disp_ret = init_sam_dispinfo_1(p->mem_ctx, &ctr->sam.info1,
num_account, enum_context,
entries);
break;
case 0x2:
disp_ret = init_sam_dispinfo_2(p->mem_ctx, &ctr->sam.info2,
num_account, enum_context,
entries);
break;
case 0x3:
disp_ret = init_sam_dispinfo_3(p->mem_ctx, &ctr->sam.info3,
num_account, enum_context,
entries);
break;
case 0x4:
disp_ret = init_sam_dispinfo_4(p->mem_ctx, &ctr->sam.info4,
num_account, enum_context,
entries);
break;
case 0x5:
disp_ret = init_sam_dispinfo_5(p->mem_ctx, &ctr->sam.info5,
num_account, enum_context,
entries);
break;
default:
smb_panic("info class changed");
break;
}
if (!NT_STATUS_IS_OK(disp_ret))
return disp_ret;
/* calculate the total size */
total_data_size=num_account*struct_size;
if (num_account)
r_u->status = STATUS_MORE_ENTRIES;
else
r_u->status = NT_STATUS_OK;
DEBUG(5, ("_samr_query_dispinfo: %d\n", __LINE__));
init_samr_r_query_dispinfo(r_u, num_account, total_data_size,
temp_size, q_u->switch_level, ctr,
r_u->status);
return r_u->status;
}
/*******************************************************************
samr_reply_query_aliasinfo
********************************************************************/
NTSTATUS _samr_query_aliasinfo(pipes_struct *p, SAMR_Q_QUERY_ALIASINFO *q_u, SAMR_R_QUERY_ALIASINFO *r_u)
{
DOM_SID sid;
struct acct_info info;
uint32 acc_granted;
BOOL ret;
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
/* find the policy handle. open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_LOOKUP_INFO, "_samr_query_aliasinfo"))) {
return r_u->status;
}
become_root();
ret = pdb_get_aliasinfo(&sid, &info);
unbecome_root();
if ( !ret )
return NT_STATUS_NO_SUCH_ALIAS;
if ( !(r_u->ctr = TALLOC_ZERO_P( p->mem_ctx, ALIAS_INFO_CTR )) )
return NT_STATUS_NO_MEMORY;
switch (q_u->level ) {
case 1:
r_u->ctr->level = 1;
init_samr_alias_info1(&r_u->ctr->alias.info1, info.acct_name, 1, info.acct_desc);
break;
case 3:
r_u->ctr->level = 3;
init_samr_alias_info3(&r_u->ctr->alias.info3, info.acct_desc);
break;
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
DEBUG(5,("_samr_query_aliasinfo: %d\n", __LINE__));
return r_u->status;
}
#if 0
/*******************************************************************
samr_reply_lookup_ids
********************************************************************/
uint32 _samr_lookup_ids(pipes_struct *p, SAMR_Q_LOOKUP_IDS *q_u, SAMR_R_LOOKUP_IDS *r_u)
{
uint32 rid[MAX_SAM_ENTRIES];
int num_rids = q_u->num_sids1;
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
if (num_rids > MAX_SAM_ENTRIES) {
num_rids = MAX_SAM_ENTRIES;
DEBUG(5,("_samr_lookup_ids: truncating entries to %d\n", num_rids));
}
#if 0
int i;
SMB_ASSERT_ARRAY(q_u->uni_user_name, num_rids);
for (i = 0; i < num_rids && status == 0; i++)
{
struct sam_passwd *sam_pass;
fstring user_name;
fstrcpy(user_name, unistrn2(q_u->uni_user_name[i].buffer,
q_u->uni_user_name[i].uni_str_len));
/* find the user account */
become_root();
sam_pass = get_smb21pwd_entry(user_name, 0);
unbecome_root();
if (sam_pass == NULL)
{
status = 0xC0000000 | NT_STATUS_NO_SUCH_USER;
rid[i] = 0;
}
else
{
rid[i] = sam_pass->user_rid;
}
}
#endif
num_rids = 1;
rid[0] = BUILTIN_ALIAS_RID_USERS;
init_samr_r_lookup_ids(&r_u, num_rids, rid, NT_STATUS_OK);
DEBUG(5,("_samr_lookup_ids: %d\n", __LINE__));
return r_u->status;
}
#endif
/*******************************************************************
_samr_lookup_names
********************************************************************/
NTSTATUS _samr_lookup_names(pipes_struct *p, SAMR_Q_LOOKUP_NAMES *q_u, SAMR_R_LOOKUP_NAMES *r_u)
{
uint32 rid[MAX_SAM_ENTRIES];
uint32 local_rid;
enum SID_NAME_USE type[MAX_SAM_ENTRIES];
enum SID_NAME_USE local_type;
int i;
int num_rids = q_u->num_names2;
DOM_SID pol_sid;
fstring sid_str;
uint32 acc_granted;
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
ZERO_ARRAY(rid);
ZERO_ARRAY(type);
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted)) {
init_samr_r_lookup_names(p->mem_ctx, r_u, 0, NULL, NULL, NT_STATUS_OBJECT_TYPE_MISMATCH);
return r_u->status;
}
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, 0, "_samr_lookup_names"))) { /* Don't know the acc_bits yet */
return r_u->status;
}
if (num_rids > MAX_SAM_ENTRIES) {
num_rids = MAX_SAM_ENTRIES;
DEBUG(5,("_samr_lookup_names: truncating entries to %d\n", num_rids));
}
DEBUG(5,("_samr_lookup_names: looking name on SID %s\n", sid_to_string(sid_str, &pol_sid)));
for (i = 0; i < num_rids; i++) {
fstring name;
DOM_SID sid;
int ret;
r_u->status = NT_STATUS_NONE_MAPPED;
rid [i] = 0xffffffff;
type[i] = SID_NAME_UNKNOWN;
ret = rpcstr_pull(name, q_u->uni_name[i].buffer, sizeof(name), q_u->uni_name[i].uni_str_len*2, 0);
/*
* we are only looking for a name
* the SID we get back can be outside
* the scope of the pol_sid
*
* in clear: it prevents to reply to domain\group: yes
* when only builtin\group exists.
*
* a cleaner code is to add the sid of the domain we're looking in
* to the local_lookup_name function.
*/
if ((ret > 0) && local_lookup_name(name, &sid, &local_type)) {
sid_split_rid(&sid, &local_rid);
if (sid_equal(&sid, &pol_sid)) {
rid[i]=local_rid;
/* Windows does not return WKN_GRP here, even
* on lookups in builtin */
type[i] = (local_type == SID_NAME_WKN_GRP) ?
SID_NAME_ALIAS : local_type;
r_u->status = NT_STATUS_OK;
}
}
}
init_samr_r_lookup_names(p->mem_ctx, r_u, num_rids, rid, (uint32 *)type, r_u->status);
DEBUG(5,("_samr_lookup_names: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
_samr_chgpasswd_user
********************************************************************/
NTSTATUS _samr_chgpasswd_user(pipes_struct *p, SAMR_Q_CHGPASSWD_USER *q_u, SAMR_R_CHGPASSWD_USER *r_u)
{
fstring user_name;
fstring wks;
DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
r_u->status = NT_STATUS_OK;
rpcstr_pull(user_name, q_u->uni_user_name.buffer, sizeof(user_name), q_u->uni_user_name.uni_str_len*2, 0);
rpcstr_pull(wks, q_u->uni_dest_host.buffer, sizeof(wks), q_u->uni_dest_host.uni_str_len*2,0);
DEBUG(5,("samr_chgpasswd_user: user: %s wks: %s\n", user_name, wks));
/*
* Pass the user through the NT -> unix user mapping
* function.
*/
(void)map_username(user_name);
/*
* UNIX username case mangling not required, pass_oem_change
* is case insensitive.
*/
r_u->status = pass_oem_change(user_name, q_u->lm_newpass.pass, q_u->lm_oldhash.hash,
q_u->nt_newpass.pass, q_u->nt_oldhash.hash);
init_samr_r_chgpasswd_user(r_u, r_u->status);
DEBUG(5,("_samr_chgpasswd_user: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
makes a SAMR_R_LOOKUP_RIDS structure.
********************************************************************/
static BOOL make_samr_lookup_rids(TALLOC_CTX *ctx, uint32 num_names,
const char **names, UNIHDR **pp_hdr_name,
UNISTR2 **pp_uni_name)
{
uint32 i;
UNIHDR *hdr_name=NULL;
UNISTR2 *uni_name=NULL;
*pp_uni_name = NULL;
*pp_hdr_name = NULL;
if (num_names != 0) {
hdr_name = TALLOC_ZERO_ARRAY(ctx, UNIHDR, num_names);
if (hdr_name == NULL)
return False;
uni_name = TALLOC_ZERO_ARRAY(ctx,UNISTR2, num_names);
if (uni_name == NULL)
return False;
}
for (i = 0; i < num_names; i++) {
DEBUG(10, ("names[%d]:%s\n", i, names[i] && *names[i] ? names[i] : ""));
init_unistr2(&uni_name[i], names[i], UNI_FLAGS_NONE);
init_uni_hdr(&hdr_name[i], &uni_name[i]);
}
*pp_uni_name = uni_name;
*pp_hdr_name = hdr_name;
return True;
}
/*******************************************************************
_samr_lookup_rids
********************************************************************/
NTSTATUS _samr_lookup_rids(pipes_struct *p, SAMR_Q_LOOKUP_RIDS *q_u, SAMR_R_LOOKUP_RIDS *r_u)
{
const char **names;
uint32 *attrs = NULL;
UNIHDR *hdr_name = NULL;
UNISTR2 *uni_name = NULL;
DOM_SID pol_sid;
int num_rids = q_u->num_rids1;
uint32 acc_granted;
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
/* find the policy handle. open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &pol_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (num_rids > 1000) {
DEBUG(0, ("Got asked for %d rids (more than 1000) -- according "
"to samba4 idl this is not possible\n", num_rids));
return NT_STATUS_UNSUCCESSFUL;
}
names = TALLOC_ZERO_ARRAY(p->mem_ctx, const char *, num_rids);
attrs = TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_rids);
if ((num_rids != 0) && ((names == NULL) || (attrs == NULL)))
return NT_STATUS_NO_MEMORY;
if (!sid_equal(&pol_sid, get_global_sam_sid())) {
/* TODO: Sooner or later we need to look up BUILTIN rids as
* well. -- vl */
goto done;
}
become_root(); /* lookup_sid can require root privs */
r_u->status = pdb_lookup_rids(p->mem_ctx, &pol_sid, num_rids, q_u->rid,
&names, &attrs);
unbecome_root();
done:
if(!make_samr_lookup_rids(p->mem_ctx, num_rids, names,
&hdr_name, &uni_name))
return NT_STATUS_NO_MEMORY;
init_samr_r_lookup_rids(r_u, num_rids, hdr_name, uni_name, attrs);
DEBUG(5,("_samr_lookup_rids: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
_samr_open_user. Safe - gives out no passwd info.
********************************************************************/
NTSTATUS _samr_open_user(pipes_struct *p, SAMR_Q_OPEN_USER *q_u, SAMR_R_OPEN_USER *r_u)
{
SAM_ACCOUNT *sampass=NULL;
DOM_SID sid;
POLICY_HND domain_pol = q_u->domain_pol;
POLICY_HND *user_pol = &r_u->user_pol;
struct samr_info *info = NULL;
SEC_DESC *psd = NULL;
uint32 acc_granted;
uint32 des_access = q_u->access_mask;
size_t sd_size;
BOOL ret;
NTSTATUS nt_status;
SE_PRIV se_rights;
r_u->status = NT_STATUS_OK;
/* find the domain policy handle and get domain SID / access bits in the domain policy. */
if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted) )
return NT_STATUS_INVALID_HANDLE;
nt_status = access_check_samr_function( acc_granted,
SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_user" );
if ( !NT_STATUS_IS_OK(nt_status) )
return nt_status;
nt_status = pdb_init_sam_talloc(p->mem_ctx, &sampass);
if (!NT_STATUS_IS_OK(nt_status))
return nt_status;
/* append the user's RID to it */
if (!sid_append_rid(&sid, q_u->user_rid))
return NT_STATUS_NO_SUCH_USER;
/* check if access can be granted as requested by client. */
make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
se_map_generic(&des_access, &usr_generic_mapping);
se_priv_copy( &se_rights, &se_machine_account );
se_priv_add( &se_rights, &se_add_users );
nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
&se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
&acc_granted, "_samr_open_user");
if ( !NT_STATUS_IS_OK(nt_status) )
return nt_status;
become_root();
ret=pdb_getsampwsid(sampass, &sid);
unbecome_root();
/* check that the SID exists in our domain. */
if (ret == False) {
return NT_STATUS_NO_SUCH_USER;
}
pdb_free_sam(&sampass);
/* associate the user's SID and access bits with the new handle. */
if ((info = get_samr_info_by_sid(&sid)) == NULL)
return NT_STATUS_NO_MEMORY;
info->acc_granted = acc_granted;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return r_u->status;
}
/*************************************************************************
get_user_info_7. Safe. Only gives out account_name.
*************************************************************************/
static NTSTATUS get_user_info_7(TALLOC_CTX *mem_ctx, SAM_USER_INFO_7 *id7, DOM_SID *user_sid)
{
SAM_ACCOUNT *smbpass=NULL;
BOOL ret;
NTSTATUS nt_status;
nt_status = pdb_init_sam_talloc(mem_ctx, &smbpass);
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
become_root();
ret = pdb_getsampwsid(smbpass, user_sid);
unbecome_root();
if (ret==False) {
DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
return NT_STATUS_NO_SUCH_USER;
}
DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
ZERO_STRUCTP(id7);
init_sam_user_info7(id7, pdb_get_username(smbpass) );
pdb_free_sam(&smbpass);
return NT_STATUS_OK;
}
/*************************************************************************
get_user_info_16. Safe. Only gives out acb bits.
*************************************************************************/
static NTSTATUS get_user_info_16(TALLOC_CTX *mem_ctx, SAM_USER_INFO_16 *id16, DOM_SID *user_sid)
{
SAM_ACCOUNT *smbpass=NULL;
BOOL ret;
NTSTATUS nt_status;
nt_status = pdb_init_sam_talloc(mem_ctx, &smbpass);
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
become_root();
ret = pdb_getsampwsid(smbpass, user_sid);
unbecome_root();
if (ret==False) {
DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
return NT_STATUS_NO_SUCH_USER;
}
DEBUG(3,("User:[%s]\n", pdb_get_username(smbpass) ));
ZERO_STRUCTP(id16);
init_sam_user_info16(id16, pdb_get_acct_ctrl(smbpass) );
pdb_free_sam(&smbpass);
return NT_STATUS_OK;
}
/*************************************************************************
get_user_info_18. OK - this is the killer as it gives out password info.
Ensure that this is only allowed on an encrypted connection with a root
user. JRA.
*************************************************************************/
static NTSTATUS get_user_info_18(pipes_struct *p, TALLOC_CTX *mem_ctx, SAM_USER_INFO_18 * id18, DOM_SID *user_sid)
{
SAM_ACCOUNT *smbpass=NULL;
BOOL ret;
NTSTATUS nt_status;
if (!p->ntlmssp_auth_validated)
return NT_STATUS_ACCESS_DENIED;
if (!(p->ntlmssp_chal_flags & NTLMSSP_NEGOTIATE_SIGN) || !(p->ntlmssp_chal_flags & NTLMSSP_NEGOTIATE_SEAL))
return NT_STATUS_ACCESS_DENIED;
/*
* Do *NOT* do become_root()/unbecome_root() here ! JRA.
*/
nt_status = pdb_init_sam_talloc(mem_ctx, &smbpass);
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
ret = pdb_getsampwsid(smbpass, user_sid);
if (ret == False) {
DEBUG(4, ("User %s not found\n", sid_string_static(user_sid)));
pdb_free_sam(&smbpass);
return (geteuid() == (uid_t)0) ? NT_STATUS_NO_SUCH_USER : NT_STATUS_ACCESS_DENIED;
}
DEBUG(3,("User:[%s] 0x%x\n", pdb_get_username(smbpass), pdb_get_acct_ctrl(smbpass) ));
if ( pdb_get_acct_ctrl(smbpass) & ACB_DISABLED) {
pdb_free_sam(&smbpass);
return NT_STATUS_ACCOUNT_DISABLED;
}
ZERO_STRUCTP(id18);
init_sam_user_info18(id18, pdb_get_lanman_passwd(smbpass), pdb_get_nt_passwd(smbpass));
pdb_free_sam(&smbpass);
return NT_STATUS_OK;
}
/*************************************************************************
get_user_info_20
*************************************************************************/
static NTSTATUS get_user_info_20(TALLOC_CTX *mem_ctx, SAM_USER_INFO_20 *id20, DOM_SID *user_sid)
{
SAM_ACCOUNT *sampass=NULL;
BOOL ret;
pdb_init_sam_talloc(mem_ctx, &sampass);
become_root();
ret = pdb_getsampwsid(sampass, user_sid);
unbecome_root();
if (ret == False) {
DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
return NT_STATUS_NO_SUCH_USER;
}
samr_clear_sam_passwd(sampass);
DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) ));
ZERO_STRUCTP(id20);
init_sam_user_info20A(id20, sampass);
pdb_free_sam(&sampass);
return NT_STATUS_OK;
}
/*************************************************************************
get_user_info_21
*************************************************************************/
static NTSTATUS get_user_info_21(TALLOC_CTX *mem_ctx, SAM_USER_INFO_21 *id21,
DOM_SID *user_sid, DOM_SID *domain_sid)
{
SAM_ACCOUNT *sampass=NULL;
BOOL ret;
NTSTATUS nt_status;
nt_status = pdb_init_sam_talloc(mem_ctx, &sampass);
if (!NT_STATUS_IS_OK(nt_status)) {
return nt_status;
}
become_root();
ret = pdb_getsampwsid(sampass, user_sid);
unbecome_root();
if (ret == False) {
DEBUG(4,("User %s not found\n", sid_string_static(user_sid)));
return NT_STATUS_NO_SUCH_USER;
}
samr_clear_sam_passwd(sampass);
DEBUG(3,("User:[%s]\n", pdb_get_username(sampass) ));
ZERO_STRUCTP(id21);
nt_status = init_sam_user_info21A(id21, sampass, domain_sid);
pdb_free_sam(&sampass);
return NT_STATUS_OK;
}
/*******************************************************************
_samr_query_userinfo
********************************************************************/
NTSTATUS _samr_query_userinfo(pipes_struct *p, SAMR_Q_QUERY_USERINFO *q_u, SAMR_R_QUERY_USERINFO *r_u)
{
SAM_USERINFO_CTR *ctr;
struct samr_info *info = NULL;
DOM_SID domain_sid;
uint32 rid;
r_u->status=NT_STATUS_OK;
/* search for the handle */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
domain_sid = info->sid;
sid_split_rid(&domain_sid, &rid);
if (!sid_check_is_in_our_domain(&info->sid))
return NT_STATUS_OBJECT_TYPE_MISMATCH;
DEBUG(5,("_samr_query_userinfo: sid:%s\n", sid_string_static(&info->sid)));
ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_USERINFO_CTR);
if (!ctr)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(ctr);
/* ok! user info levels (lots: see MSDEV help), off we go... */
ctr->switch_value = q_u->switch_value;
switch (q_u->switch_value) {
case 7:
ctr->info.id7 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_7);
if (ctr->info.id7 == NULL)
return NT_STATUS_NO_MEMORY;
if (!NT_STATUS_IS_OK(r_u->status = get_user_info_7(p->mem_ctx, ctr->info.id7, &info->sid)))
return r_u->status;
break;
case 16:
ctr->info.id16 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_16);
if (ctr->info.id16 == NULL)
return NT_STATUS_NO_MEMORY;
if (!NT_STATUS_IS_OK(r_u->status = get_user_info_16(p->mem_ctx, ctr->info.id16, &info->sid)))
return r_u->status;
break;
#if 0
/* whoops - got this wrong. i think. or don't understand what's happening. */
case 17:
{
NTTIME expire;
info = (void *)&id11;
expire.low = 0xffffffff;
expire.high = 0x7fffffff;
ctr->info.id = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_17));
ZERO_STRUCTP(ctr->info.id17);
init_sam_user_info17(ctr->info.id17, &expire,
"BROOKFIELDS$", /* name */
0x03ef, /* user rid */
0x201, /* group rid */
0x0080); /* acb info */
break;
}
#endif
case 18:
ctr->info.id18 = TALLOC_ZERO_P(p->mem_ctx, SAM_USER_INFO_18);
if (ctr->info.id18 == NULL)
return NT_STATUS_NO_MEMORY;
if (!NT_STATUS_IS_OK(r_u->status = get_user_info_18(p, p->mem_ctx, ctr->info.id18, &info->sid)))
return r_u->status;
break;
case 20:
ctr->info.id20 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_20);
if (ctr->info.id20 == NULL)
return NT_STATUS_NO_MEMORY;
if (!NT_STATUS_IS_OK(r_u->status = get_user_info_20(p->mem_ctx, ctr->info.id20, &info->sid)))
return r_u->status;
break;
case 21:
ctr->info.id21 = TALLOC_ZERO_P(p->mem_ctx,SAM_USER_INFO_21);
if (ctr->info.id21 == NULL)
return NT_STATUS_NO_MEMORY;
if (!NT_STATUS_IS_OK(r_u->status = get_user_info_21(p->mem_ctx, ctr->info.id21,
&info->sid, &domain_sid)))
return r_u->status;
break;
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
init_samr_r_query_userinfo(r_u, ctr, r_u->status);
DEBUG(5,("_samr_query_userinfo: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
samr_reply_query_usergroups
********************************************************************/
NTSTATUS _samr_query_usergroups(pipes_struct *p, SAMR_Q_QUERY_USERGROUPS *q_u, SAMR_R_QUERY_USERGROUPS *r_u)
{
SAM_ACCOUNT *sam_pass=NULL;
struct passwd *passwd;
DOM_SID sid;
DOM_SID *sids;
DOM_GID *gids = NULL;
int num_groups = 0;
gid_t *unix_gids;
int i, num_gids;
uint32 acc_granted;
BOOL ret;
NTSTATUS result;
/*
* from the SID in the request:
* we should send back the list of DOMAIN GROUPS
* the user is a member of
*
* and only the DOMAIN GROUPS
* no ALIASES !!! neither aliases of the domain
* nor aliases of the builtin SID
*
* JFM, 12/2/2001
*/
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
/* find the policy handle. open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_USER_GET_GROUPS, "_samr_query_usergroups"))) {
return r_u->status;
}
if (!sid_check_is_in_our_domain(&sid))
return NT_STATUS_OBJECT_TYPE_MISMATCH;
pdb_init_sam(&sam_pass);
become_root();
ret = pdb_getsampwsid(sam_pass, &sid);
unbecome_root();
if (ret == False) {
pdb_free_sam(&sam_pass);
return NT_STATUS_NO_SUCH_USER;
}
passwd = getpwnam_alloc(pdb_get_username(sam_pass));
if (passwd == NULL) {
pdb_free_sam(&sam_pass);
return NT_STATUS_NO_SUCH_USER;
}
sids = NULL;
become_root();
result = pdb_enum_group_memberships(pdb_get_username(sam_pass),
passwd->pw_gid,
&sids, &unix_gids, &num_groups);
unbecome_root();
pdb_free_sam(&sam_pass);
passwd_free(&passwd);
if (!NT_STATUS_IS_OK(result))
return result;
SAFE_FREE(unix_gids);
gids = NULL;
num_gids = 0;
for (i=0; i<num_groups; i++) {
uint32 rid;
if (!sid_peek_check_rid(get_global_sam_sid(),
&(sids[i]), &rid))
continue;
gids = TALLOC_REALLOC_ARRAY(p->mem_ctx, gids, DOM_GID, num_gids+1);
gids[num_gids].attr=7;
gids[num_gids].g_rid = rid;
num_gids += 1;
}
SAFE_FREE(sids);
/* construct the response. lkclXXXX: gids are not copied! */
init_samr_r_query_usergroups(r_u, num_groups, gids, r_u->status);
DEBUG(5,("_samr_query_usergroups: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
_samr_query_dom_info
********************************************************************/
NTSTATUS _samr_query_dom_info(pipes_struct *p, SAMR_Q_QUERY_DOMAIN_INFO *q_u, SAMR_R_QUERY_DOMAIN_INFO *r_u)
{
struct samr_info *info = NULL;
SAM_UNK_CTR *ctr;
uint32 min_pass_len,pass_hist,flag;
time_t u_expire, u_min_age;
NTTIME nt_expire, nt_min_age;
time_t u_lock_duration, u_reset_time;
NTTIME nt_lock_duration, nt_reset_time;
uint32 lockout;
time_t u_logout;
NTTIME nt_logout;
uint32 account_policy_temp;
uint32 server_role;
uint32 num_users=0, num_groups=0, num_aliases=0;
if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(ctr);
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_query_dom_info: %d\n", __LINE__));
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
switch (q_u->switch_value) {
case 0x01:
account_policy_get(AP_MIN_PASSWORD_LEN, &account_policy_temp);
min_pass_len = account_policy_temp;
account_policy_get(AP_PASSWORD_HISTORY, &account_policy_temp);
pass_hist = account_policy_temp;
account_policy_get(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
flag = account_policy_temp;
account_policy_get(AP_MAX_PASSWORD_AGE, &account_policy_temp);
u_expire = account_policy_temp;
account_policy_get(AP_MIN_PASSWORD_AGE, &account_policy_temp);
u_min_age = account_policy_temp;
unix_to_nt_time_abs(&nt_expire, u_expire);
unix_to_nt_time_abs(&nt_min_age, u_min_age);
init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
flag, nt_expire, nt_min_age);
break;
case 0x02:
become_root();
num_users=count_sam_users(&info->disp_info,
ACB_NORMAL);
num_groups=count_sam_groups(&info->disp_info);
unbecome_root();
account_policy_get(AP_TIME_TO_LOGOUT, &account_policy_temp);
u_logout = account_policy_temp;
unix_to_nt_time_abs(&nt_logout, u_logout);
server_role = ROLE_DOMAIN_PDC;
if (lp_server_role() == ROLE_DOMAIN_BDC)
server_role = ROLE_DOMAIN_BDC;
/* The time call below is to get a sequence number for the sam. FIXME !!! JRA. */
init_unk_info2(&ctr->info.inf2, lp_serverstring(), lp_workgroup(), global_myname(), time(NULL),
num_users, num_groups, num_aliases, nt_logout, server_role);
break;
case 0x03:
account_policy_get(AP_TIME_TO_LOGOUT, (unsigned int *)&u_logout);
unix_to_nt_time_abs(&nt_logout, u_logout);
init_unk_info3(&ctr->info.inf3, nt_logout);
break;
case 0x05:
init_unk_info5(&ctr->info.inf5, global_myname());
break;
case 0x06:
init_unk_info6(&ctr->info.inf6);
break;
case 0x07:
server_role = ROLE_DOMAIN_PDC;
if (lp_server_role() == ROLE_DOMAIN_BDC)
server_role = ROLE_DOMAIN_BDC;
init_unk_info7(&ctr->info.inf7, server_role);
break;
case 0x08:
init_unk_info8(&ctr->info.inf8, (uint32) time(NULL));
break;
case 0x0c:
account_policy_get(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
u_lock_duration = account_policy_temp;
if (u_lock_duration != -1)
u_lock_duration *= 60;
account_policy_get(AP_RESET_COUNT_TIME, &account_policy_temp);
u_reset_time = account_policy_temp * 60;
account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
lockout = account_policy_temp;
unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
break;
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
init_samr_r_query_dom_info(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
DEBUG(5,("_samr_query_dom_info: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
_samr_create_user
Create an account, can be either a normal user or a machine.
This funcion will need to be updated for bdc/domain trusts.
********************************************************************/
NTSTATUS _samr_create_user(pipes_struct *p, SAMR_Q_CREATE_USER *q_u, SAMR_R_CREATE_USER *r_u)
{
SAM_ACCOUNT *sam_pass=NULL;
fstring account;
DOM_SID sid;
pstring add_script;
POLICY_HND dom_pol = q_u->domain_pol;
UNISTR2 user_account = q_u->uni_name;
uint16 acb_info = q_u->acb_info;
POLICY_HND *user_pol = &r_u->user_pol;
struct samr_info *info = NULL;
BOOL ret;
NTSTATUS nt_status;
struct passwd *pw;
uint32 acc_granted;
SEC_DESC *psd;
size_t sd_size;
uint32 new_rid = 0;
/* check this, when giving away 'add computer to domain' privs */
uint32 des_access = GENERIC_RIGHTS_USER_ALL_ACCESS;
BOOL can_add_account = False;
SE_PRIV se_rights;
/* Get the domain SID stored in the domain policy */
if (!get_lsa_policy_samr_sid(p, &dom_pol, &sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(nt_status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_USER, "_samr_create_user"))) {
return nt_status;
}
if (!(acb_info == ACB_NORMAL || acb_info == ACB_DOMTRUST || acb_info == ACB_WSTRUST || acb_info == ACB_SVRTRUST)) {
/* Match Win2k, and return NT_STATUS_INVALID_PARAMETER if
this parameter is not an account type */
return NT_STATUS_INVALID_PARAMETER;
}
rpcstr_pull(account, user_account.buffer, sizeof(account), user_account.uni_str_len*2, 0);
strlower_m(account);
pdb_init_sam(&sam_pass);
become_root();
ret = pdb_getsampwnam(sam_pass, account);
unbecome_root();
if (ret == True) {
/* this account exists: say so */
pdb_free_sam(&sam_pass);
return NT_STATUS_USER_EXISTS;
}
pdb_free_sam(&sam_pass);
/*********************************************************************
* HEADS UP! If we have to create a new user account, we have to get
* a new RID from somewhere. This used to be done by the passdb
* backend. It has been moved into idmap now. Since idmap is now
* wrapped up behind winbind, this means you have to run winbindd if you
* want new accounts to get a new RID when "enable rid algorithm = no".
* Tough. We now have a uniform way of allocating RIDs regardless
* of what ever passdb backend people may use.
* --jerry (2003-07-10)
*********************************************************************/
pw = Get_Pwnam(account);
/* determine which user right we need to check based on the acb_info */
if ( acb_info & ACB_WSTRUST )
{
pstrcpy(add_script, lp_addmachine_script());
se_priv_copy( &se_rights, &se_machine_account );
can_add_account = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
}
/* usrmgr.exe (and net rpc trustdom grant) creates a normal user
account for domain trusts and changes the ACB flags later */
else if ( acb_info & ACB_NORMAL && (account[strlen(account)-1] != '$') )
{
pstrcpy(add_script, lp_adduser_script());
se_priv_copy( &se_rights, &se_add_users );
can_add_account = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
}
else /* implicit assumption of a BDC or domain trust account here (we already check the flags earlier) */
{
pstrcpy(add_script, lp_addmachine_script());
if ( lp_enable_privileges() ) {
/* only Domain Admins can add a BDC or domain trust */
se_priv_copy( &se_rights, &se_priv_none );
can_add_account = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
}
}
DEBUG(5, ("_samr_create_user: %s can add this account : %s\n",
p->pipe_user_name, can_add_account ? "True":"False" ));
/********** BEGIN Admin BLOCK **********/
if ( can_add_account )
become_root();
if ( !pw ) {
if (*add_script) {
int add_ret;
all_string_sub(add_script, "%u", account, sizeof(add_script));
add_ret = smbrun(add_script,NULL);
DEBUG(add_ret ? 0 : 3,("_samr_create_user: Running the command `%s' gave %d\n", add_script, add_ret));
}
}
/* implicit call to getpwnam() next. we have a valid SID coming out of this call */
flush_pwnam_cache();
nt_status = pdb_init_sam_new(&sam_pass, account, new_rid);
/* this code is order such that we have no unnecessary retuns
out of the admin block of code */
if ( NT_STATUS_IS_OK(nt_status) ) {
pdb_set_acct_ctrl(sam_pass, acb_info, PDB_CHANGED);
if ( !(ret = pdb_add_sam_account(sam_pass)) ) {
pdb_free_sam(&sam_pass);
DEBUG(0, ("could not add user/computer %s to passdb. Check permissions?\n",
account));
nt_status = NT_STATUS_ACCESS_DENIED;
}
}
if ( can_add_account )
unbecome_root();
/********** END Admin BLOCK **********/
/* now check for failure */
if ( !NT_STATUS_IS_OK(nt_status) )
return nt_status;
/* Get the user's SID */
sid_copy(&sid, pdb_get_user_sid(sam_pass));
make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &usr_generic_mapping, &sid, SAMR_USR_RIGHTS_WRITE_PW);
se_map_generic(&des_access, &usr_generic_mapping);
nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
&se_rights, GENERIC_RIGHTS_USER_WRITE, des_access,
&acc_granted, "_samr_create_user");
if ( !NT_STATUS_IS_OK(nt_status) ) {
return nt_status;
}
/* associate the user's SID with the new handle. */
if ((info = get_samr_info_by_sid(&sid)) == NULL) {
pdb_free_sam(&sam_pass);
return NT_STATUS_NO_MEMORY;
}
ZERO_STRUCTP(info);
info->sid = sid;
info->acc_granted = acc_granted;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, user_pol, free_samr_info, (void *)info)) {
pdb_free_sam(&sam_pass);
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
r_u->user_rid=pdb_get_user_rid(sam_pass);
r_u->access_granted = acc_granted;
pdb_free_sam(&sam_pass);
return NT_STATUS_OK;
}
/*******************************************************************
samr_reply_connect_anon
********************************************************************/
NTSTATUS _samr_connect_anon(pipes_struct *p, SAMR_Q_CONNECT_ANON *q_u, SAMR_R_CONNECT_ANON *r_u)
{
struct samr_info *info = NULL;
uint32 des_access = q_u->access_mask;
/* Access check */
if (!pipe_access_check(p)) {
DEBUG(3, ("access denied to samr_connect_anon\n"));
r_u->status = NT_STATUS_ACCESS_DENIED;
return r_u->status;
}
/* set up the SAMR connect_anon response */
r_u->status = NT_STATUS_OK;
/* associate the user's SID with the new handle. */
if ((info = get_samr_info_by_sid(NULL)) == NULL)
return NT_STATUS_NO_MEMORY;
/* don't give away the farm but this is probably ok. The SA_RIGHT_SAM_ENUM_DOMAINS
was observed from a win98 client trying to enumerate users (when configured
user level access control on shares) --jerry */
se_map_generic( &des_access, &sam_generic_mapping );
info->acc_granted = des_access & (SA_RIGHT_SAM_ENUM_DOMAINS|SA_RIGHT_SAM_OPEN_DOMAIN);
info->status = q_u->unknown_0;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return r_u->status;
}
/*******************************************************************
samr_reply_connect
********************************************************************/
NTSTATUS _samr_connect(pipes_struct *p, SAMR_Q_CONNECT *q_u, SAMR_R_CONNECT *r_u)
{
struct samr_info *info = NULL;
SEC_DESC *psd = NULL;
uint32 acc_granted;
uint32 des_access = q_u->access_mask;
NTSTATUS nt_status;
size_t sd_size;
DEBUG(5,("_samr_connect: %d\n", __LINE__));
/* Access check */
if (!pipe_access_check(p)) {
DEBUG(3, ("access denied to samr_connect\n"));
r_u->status = NT_STATUS_ACCESS_DENIED;
return r_u->status;
}
make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
se_map_generic(&des_access, &sam_generic_mapping);
nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
NULL, 0, des_access, &acc_granted, "_samr_connect");
if ( !NT_STATUS_IS_OK(nt_status) )
return nt_status;
r_u->status = NT_STATUS_OK;
/* associate the user's SID and access granted with the new handle. */
if ((info = get_samr_info_by_sid(NULL)) == NULL)
return NT_STATUS_NO_MEMORY;
info->acc_granted = acc_granted;
info->status = q_u->access_mask;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
DEBUG(5,("_samr_connect: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
samr_connect4
********************************************************************/
NTSTATUS _samr_connect4(pipes_struct *p, SAMR_Q_CONNECT4 *q_u, SAMR_R_CONNECT4 *r_u)
{
struct samr_info *info = NULL;
SEC_DESC *psd = NULL;
uint32 acc_granted;
uint32 des_access = q_u->access_mask;
NTSTATUS nt_status;
size_t sd_size;
DEBUG(5,("_samr_connect4: %d\n", __LINE__));
/* Access check */
if (!pipe_access_check(p)) {
DEBUG(3, ("access denied to samr_connect4\n"));
r_u->status = NT_STATUS_ACCESS_DENIED;
return r_u->status;
}
make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &sam_generic_mapping, NULL, 0);
se_map_generic(&des_access, &sam_generic_mapping);
nt_status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
NULL, 0, des_access, &acc_granted, "_samr_connect4");
if ( !NT_STATUS_IS_OK(nt_status) )
return nt_status;
r_u->status = NT_STATUS_OK;
/* associate the user's SID and access granted with the new handle. */
if ((info = get_samr_info_by_sid(NULL)) == NULL)
return NT_STATUS_NO_MEMORY;
info->acc_granted = acc_granted;
info->status = q_u->access_mask;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->connect_pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
DEBUG(5,("_samr_connect: %d\n", __LINE__));
return r_u->status;
}
/**********************************************************************
api_samr_lookup_domain
**********************************************************************/
NTSTATUS _samr_lookup_domain(pipes_struct *p, SAMR_Q_LOOKUP_DOMAIN *q_u, SAMR_R_LOOKUP_DOMAIN *r_u)
{
struct samr_info *info;
fstring domain_name;
DOM_SID sid;
r_u->status = NT_STATUS_OK;
if (!find_policy_by_hnd(p, &q_u->connect_pol, (void**)&info))
return NT_STATUS_INVALID_HANDLE;
/* win9x user manager likes to use SA_RIGHT_SAM_ENUM_DOMAINS here.
Reverted that change so we will work with RAS servers again */
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted,
SA_RIGHT_SAM_OPEN_DOMAIN, "_samr_lookup_domain")))
{
return r_u->status;
}
rpcstr_pull(domain_name, q_u->uni_domain.buffer, sizeof(domain_name), q_u->uni_domain.uni_str_len*2, 0);
ZERO_STRUCT(sid);
if (!secrets_fetch_domain_sid(domain_name, &sid)) {
r_u->status = NT_STATUS_NO_SUCH_DOMAIN;
}
DEBUG(2,("Returning domain sid for domain %s -> %s\n", domain_name, sid_string_static(&sid)));
init_samr_r_lookup_domain(r_u, &sid, r_u->status);
return r_u->status;
}
/******************************************************************
makes a SAMR_R_ENUM_DOMAINS structure.
********************************************************************/
static BOOL make_enum_domains(TALLOC_CTX *ctx, SAM_ENTRY **pp_sam,
UNISTR2 **pp_uni_name, uint32 num_sam_entries, fstring doms[])
{
uint32 i;
SAM_ENTRY *sam;
UNISTR2 *uni_name;
DEBUG(5, ("make_enum_domains\n"));
*pp_sam = NULL;
*pp_uni_name = NULL;
if (num_sam_entries == 0)
return True;
sam = TALLOC_ZERO_ARRAY(ctx, SAM_ENTRY, num_sam_entries);
uni_name = TALLOC_ZERO_ARRAY(ctx, UNISTR2, num_sam_entries);
if (sam == NULL || uni_name == NULL)
return False;
for (i = 0; i < num_sam_entries; i++) {
init_unistr2(&uni_name[i], doms[i], UNI_FLAGS_NONE);
init_sam_entry(&sam[i], &uni_name[i], 0);
}
*pp_sam = sam;
*pp_uni_name = uni_name;
return True;
}
/**********************************************************************
api_samr_enum_domains
**********************************************************************/
NTSTATUS _samr_enum_domains(pipes_struct *p, SAMR_Q_ENUM_DOMAINS *q_u, SAMR_R_ENUM_DOMAINS *r_u)
{
struct samr_info *info;
uint32 num_entries = 2;
fstring dom[2];
const char *name;
r_u->status = NT_STATUS_OK;
if (!find_policy_by_hnd(p, &q_u->pol, (void**)&info))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(info->acc_granted, SA_RIGHT_SAM_ENUM_DOMAINS, "_samr_enum_domains"))) {
return r_u->status;
}
name = get_global_sam_name();
fstrcpy(dom[0],name);
strupper_m(dom[0]);
fstrcpy(dom[1],"Builtin");
if (!make_enum_domains(p->mem_ctx, &r_u->sam, &r_u->uni_dom_name, num_entries, dom))
return NT_STATUS_NO_MEMORY;
init_samr_r_enum_domains(r_u, q_u->start_idx + num_entries, num_entries);
return r_u->status;
}
/*******************************************************************
api_samr_open_alias
********************************************************************/
NTSTATUS _samr_open_alias(pipes_struct *p, SAMR_Q_OPEN_ALIAS *q_u, SAMR_R_OPEN_ALIAS *r_u)
{
DOM_SID sid;
POLICY_HND domain_pol = q_u->dom_pol;
uint32 alias_rid = q_u->rid_alias;
POLICY_HND *alias_pol = &r_u->pol;
struct samr_info *info = NULL;
SEC_DESC *psd = NULL;
uint32 acc_granted;
uint32 des_access = q_u->access_mask;
size_t sd_size;
NTSTATUS status;
SE_PRIV se_rights;
r_u->status = NT_STATUS_OK;
/* find the domain policy and get the SID / access bits stored in the domain policy */
if ( !get_lsa_policy_samr_sid(p, &domain_pol, &sid, &acc_granted) )
return NT_STATUS_INVALID_HANDLE;
status = access_check_samr_function(acc_granted,
SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_alias");
if ( !NT_STATUS_IS_OK(status) )
return status;
/* append the alias' RID to it */
if (!sid_append_rid(&sid, alias_rid))
return NT_STATUS_NO_SUCH_USER;
/*check if access can be granted as requested by client. */
make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &ali_generic_mapping, NULL, 0);
se_map_generic(&des_access,&ali_generic_mapping);
se_priv_copy( &se_rights, &se_add_users );
status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
&se_rights, GENERIC_RIGHTS_ALIAS_WRITE, des_access,
&acc_granted, "_samr_open_alias");
if ( !NT_STATUS_IS_OK(status) )
return status;
/*
* we should check if the rid really exist !!!
* JFM.
*/
/* associate the user's SID with the new handle. */
if ((info = get_samr_info_by_sid(&sid)) == NULL)
return NT_STATUS_NO_MEMORY;
info->acc_granted = acc_granted;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, alias_pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return r_u->status;
}
/*******************************************************************
set_user_info_16
********************************************************************/
static BOOL set_user_info_16(const SAM_USER_INFO_16 *id16, SAM_ACCOUNT *pwd)
{
if (id16 == NULL) {
DEBUG(5, ("set_user_info_16: NULL id16\n"));
pdb_free_sam(&pwd);
return False;
}
/* FIX ME: check if the value is really changed --metze */
if (!pdb_set_acct_ctrl(pwd, id16->acb_info, PDB_CHANGED)) {
pdb_free_sam(&pwd);
return False;
}
if(!pdb_update_sam_account(pwd)) {
pdb_free_sam(&pwd);
return False;
}
pdb_free_sam(&pwd);
return True;
}
/*******************************************************************
set_user_info_18
********************************************************************/
static BOOL set_user_info_18(SAM_USER_INFO_18 *id18, SAM_ACCOUNT *pwd)
{
if (id18 == NULL) {
DEBUG(2, ("set_user_info_18: id18 is NULL\n"));
pdb_free_sam(&pwd);
return False;
}
if (!pdb_set_lanman_passwd (pwd, id18->lm_pwd, PDB_CHANGED)) {
pdb_free_sam(&pwd);
return False;
}
if (!pdb_set_nt_passwd (pwd, id18->nt_pwd, PDB_CHANGED)) {
pdb_free_sam(&pwd);
return False;
}
if (!pdb_set_pass_changed_now (pwd)) {
pdb_free_sam(&pwd);
return False;
}
if(!pdb_update_sam_account(pwd)) {
pdb_free_sam(&pwd);
return False;
}
pdb_free_sam(&pwd);
return True;
}
/*******************************************************************
The GROUPSID field in the SAM_ACCOUNT changed. Try to tell unix.
********************************************************************/
static BOOL set_unix_primary_group(SAM_ACCOUNT *sampass)
{
struct group *grp;
gid_t gid;
if (!NT_STATUS_IS_OK(sid_to_gid(pdb_get_group_sid(sampass),
&gid))) {
DEBUG(2,("Could not get gid for primary group of "
"user %s\n", pdb_get_username(sampass)));
return False;
}
grp = getgrgid(gid);
if (grp == NULL) {
DEBUG(2,("Could not find primary group %lu for "
"user %s\n", (unsigned long)gid,
pdb_get_username(sampass)));
return False;
}
if (smb_set_primary_group(grp->gr_name,
pdb_get_username(sampass)) != 0) {
DEBUG(2,("Could not set primary group for user %s to "
"%s\n",
pdb_get_username(sampass), grp->gr_name));
return False;
}
return True;
}
/*******************************************************************
set_user_info_20
********************************************************************/
static BOOL set_user_info_20(SAM_USER_INFO_20 *id20, SAM_ACCOUNT *pwd)
{
if (id20 == NULL) {
DEBUG(5, ("set_user_info_20: NULL id20\n"));
return False;
}
copy_id20_to_sam_passwd(pwd, id20);
/* write the change out */
if(!pdb_update_sam_account(pwd)) {
pdb_free_sam(&pwd);
return False;
}
pdb_free_sam(&pwd);
return True;
}
/*******************************************************************
set_user_info_21
********************************************************************/
static BOOL set_user_info_21(SAM_USER_INFO_21 *id21, SAM_ACCOUNT *pwd)
{
if (id21 == NULL) {
DEBUG(5, ("set_user_info_21: NULL id21\n"));
return False;
}
copy_id21_to_sam_passwd(pwd, id21);
/*
* The funny part about the previous two calls is
* that pwd still has the password hashes from the
* passdb entry. These have not been updated from
* id21. I don't know if they need to be set. --jerry
*/
if (IS_SAM_CHANGED(pwd, PDB_GROUPSID))
set_unix_primary_group(pwd);
/* write the change out */
if(!pdb_update_sam_account(pwd)) {
pdb_free_sam(&pwd);
return False;
}
pdb_free_sam(&pwd);
return True;
}
/*******************************************************************
set_user_info_23
********************************************************************/
static BOOL set_user_info_23(SAM_USER_INFO_23 *id23, SAM_ACCOUNT *pwd)
{
pstring plaintext_buf;
uint32 len;
uint16 acct_ctrl;
if (id23 == NULL) {
DEBUG(5, ("set_user_info_23: NULL id23\n"));
return False;
}
DEBUG(5, ("Attempting administrator password change (level 23) for user %s\n",
pdb_get_username(pwd)));
acct_ctrl = pdb_get_acct_ctrl(pwd);
if (!decode_pw_buffer(id23->pass, plaintext_buf, 256, &len, STR_UNICODE)) {
pdb_free_sam(&pwd);
return False;
}
if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
pdb_free_sam(&pwd);
return False;
}
copy_id23_to_sam_passwd(pwd, id23);
/* if it's a trust account, don't update /etc/passwd */
if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
} else {
/* update the UNIX password */
if (lp_unix_password_sync() ) {
struct passwd *passwd = Get_Pwnam(pdb_get_username(pwd));
if (!passwd) {
DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
}
if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
pdb_free_sam(&pwd);
return False;
}
}
}
ZERO_STRUCT(plaintext_buf);
if (IS_SAM_CHANGED(pwd, PDB_GROUPSID))
set_unix_primary_group(pwd);
if(!pdb_update_sam_account(pwd)) {
pdb_free_sam(&pwd);
return False;
}
pdb_free_sam(&pwd);
return True;
}
/*******************************************************************
set_user_info_pw
********************************************************************/
static BOOL set_user_info_pw(uint8 *pass, SAM_ACCOUNT *pwd)
{
uint32 len;
pstring plaintext_buf;
uint16 acct_ctrl;
DEBUG(5, ("Attempting administrator password change for user %s\n",
pdb_get_username(pwd)));
acct_ctrl = pdb_get_acct_ctrl(pwd);
ZERO_STRUCT(plaintext_buf);
if (!decode_pw_buffer(pass, plaintext_buf, 256, &len, STR_UNICODE)) {
pdb_free_sam(&pwd);
return False;
}
if (!pdb_set_plaintext_passwd (pwd, plaintext_buf)) {
pdb_free_sam(&pwd);
return False;
}
/* if it's a trust account, don't update /etc/passwd */
if ( ( (acct_ctrl & ACB_DOMTRUST) == ACB_DOMTRUST ) ||
( (acct_ctrl & ACB_WSTRUST) == ACB_WSTRUST) ||
( (acct_ctrl & ACB_SVRTRUST) == ACB_SVRTRUST) ) {
DEBUG(5, ("Changing trust account or non-unix-user password, not updating /etc/passwd\n"));
} else {
/* update the UNIX password */
if (lp_unix_password_sync()) {
struct passwd *passwd = Get_Pwnam(pdb_get_username(pwd));
if (!passwd) {
DEBUG(1, ("chgpasswd: Username does not exist in system !?!\n"));
}
if(!chgpasswd(pdb_get_username(pwd), passwd, "", plaintext_buf, True)) {
pdb_free_sam(&pwd);
return False;
}
}
}
ZERO_STRUCT(plaintext_buf);
DEBUG(5,("set_user_info_pw: pdb_update_pwd()\n"));
/* update the SAMBA password */
if(!pdb_update_sam_account(pwd)) {
pdb_free_sam(&pwd);
return False;
}
pdb_free_sam(&pwd);
return True;
}
/*******************************************************************
samr_reply_set_userinfo
********************************************************************/
NTSTATUS _samr_set_userinfo(pipes_struct *p, SAMR_Q_SET_USERINFO *q_u, SAMR_R_SET_USERINFO *r_u)
{
SAM_ACCOUNT *pwd = NULL;
DOM_SID sid;
POLICY_HND *pol = &q_u->pol;
uint16 switch_value = q_u->switch_value;
SAM_USERINFO_CTR *ctr = q_u->ctr;
uint32 acc_granted;
uint32 acc_required;
BOOL ret;
BOOL has_enough_rights = False;
uint32 acb_info;
DEBUG(5, ("_samr_set_userinfo: %d\n", __LINE__));
r_u->status = NT_STATUS_OK;
/* find the policy handle. open a policy on it. */
if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
/* observed when joining an XP client to a Samba domain */
acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo"))) {
return r_u->status;
}
DEBUG(5, ("_samr_set_userinfo: sid:%s, level:%d\n", sid_string_static(&sid), switch_value));
if (ctr == NULL) {
DEBUG(5, ("_samr_set_userinfo: NULL info level\n"));
return NT_STATUS_INVALID_INFO_CLASS;
}
pdb_init_sam(&pwd);
become_root();
ret = pdb_getsampwsid(pwd, &sid);
unbecome_root();
if ( !ret ) {
pdb_free_sam(&pwd);
return NT_STATUS_NO_SUCH_USER;
}
/* deal with machine password changes differently from userinfo changes */
/* check to see if we have the sufficient rights */
acb_info = pdb_get_acct_ctrl(pwd);
if ( acb_info & ACB_WSTRUST )
has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
else if ( acb_info & ACB_NORMAL )
has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
if ( lp_enable_privileges() )
has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
}
DEBUG(5, ("_samr_set_userinfo: %s does%s possess sufficient rights\n",
p->pipe_user_name, has_enough_rights ? "" : " not"));
/* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
if ( has_enough_rights )
become_root();
/* ok! user info levels (lots: see MSDEV help), off we go... */
switch (switch_value) {
case 18:
if (!set_user_info_18(ctr->info.id18, pwd))
r_u->status = NT_STATUS_ACCESS_DENIED;
break;
case 24:
if (!p->session_key.length) {
r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
}
SamOEMhashBlob(ctr->info.id24->pass, 516, &p->session_key);
dump_data(100, (char *)ctr->info.id24->pass, 516);
if (!set_user_info_pw(ctr->info.id24->pass, pwd))
r_u->status = NT_STATUS_ACCESS_DENIED;
break;
case 25:
#if 0
/*
* Currently we don't really know how to unmarshall
* the level 25 struct, and the password encryption
* is different. This is a placeholder for when we
* do understand it. In the meantime just return INVALID
* info level and W2K SP2 drops down to level 23... JRA.
*/
if (!p->session_key.length) {
r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
}
SamOEMhashBlob(ctr->info.id25->pass, 532, &p->session_key);
dump_data(100, (char *)ctr->info.id25->pass, 532);
if (!set_user_info_pw(ctr->info.id25->pass, &sid))
r_u->status = NT_STATUS_ACCESS_DENIED;
break;
#endif
r_u->status = NT_STATUS_INVALID_INFO_CLASS;
break;
case 23:
if (!p->session_key.length) {
r_u->status = NT_STATUS_NO_USER_SESSION_KEY;
}
SamOEMhashBlob(ctr->info.id23->pass, 516, &p->session_key);
dump_data(100, (char *)ctr->info.id23->pass, 516);
if (!set_user_info_23(ctr->info.id23, pwd))
r_u->status = NT_STATUS_ACCESS_DENIED;
break;
default:
r_u->status = NT_STATUS_INVALID_INFO_CLASS;
}
if ( has_enough_rights )
unbecome_root();
/* ================ END SeMachineAccountPrivilege BLOCK ================ */
return r_u->status;
}
/*******************************************************************
samr_reply_set_userinfo2
********************************************************************/
NTSTATUS _samr_set_userinfo2(pipes_struct *p, SAMR_Q_SET_USERINFO2 *q_u, SAMR_R_SET_USERINFO2 *r_u)
{
SAM_ACCOUNT *pwd = NULL;
DOM_SID sid;
SAM_USERINFO_CTR *ctr = q_u->ctr;
POLICY_HND *pol = &q_u->pol;
uint16 switch_value = q_u->switch_value;
uint32 acc_granted;
uint32 acc_required;
BOOL ret;
BOOL has_enough_rights = False;
uint32 acb_info;
DEBUG(5, ("samr_reply_set_userinfo2: %d\n", __LINE__));
r_u->status = NT_STATUS_OK;
/* find the policy handle. open a policy on it. */
if (!get_lsa_policy_samr_sid(p, pol, &sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
/* observed when joining XP client to Samba domain */
acc_required = SA_RIGHT_USER_SET_PASSWORD | SA_RIGHT_USER_SET_ATTRIBUTES | SA_RIGHT_USER_ACCT_FLAGS_EXPIRY;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, acc_required, "_samr_set_userinfo2"))) {
return r_u->status;
}
DEBUG(5, ("samr_reply_set_userinfo2: sid:%s\n", sid_string_static(&sid)));
if (ctr == NULL) {
DEBUG(5, ("samr_reply_set_userinfo2: NULL info level\n"));
return NT_STATUS_INVALID_INFO_CLASS;
}
switch_value=ctr->switch_value;
pdb_init_sam(&pwd);
become_root();
ret = pdb_getsampwsid(pwd, &sid);
unbecome_root();
if ( !ret ) {
pdb_free_sam(&pwd);
return NT_STATUS_NO_SUCH_USER;
}
acb_info = pdb_get_acct_ctrl(pwd);
if ( acb_info & ACB_WSTRUST )
has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_machine_account);
else if ( acb_info & ACB_NORMAL )
has_enough_rights = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
else if ( acb_info & (ACB_SVRTRUST|ACB_DOMTRUST) ) {
if ( lp_enable_privileges() )
has_enough_rights = nt_token_check_domain_rid( p->pipe_user.nt_user_token, DOMAIN_GROUP_RID_ADMINS );
}
DEBUG(5, ("_samr_set_userinfo: %s does%s possess sufficient rights\n",
p->pipe_user_name, has_enough_rights ? "" : " not"));
/* ================ BEGIN SeMachineAccountPrivilege BLOCK ================ */
if ( has_enough_rights )
become_root();
/* ok! user info levels (lots: see MSDEV help), off we go... */
switch (switch_value) {
case 16:
if (!set_user_info_16(ctr->info.id16, pwd))
r_u->status = NT_STATUS_ACCESS_DENIED;
break;
case 18:
/* Used by AS/U JRA. */
if (!set_user_info_18(ctr->info.id18, pwd))
r_u->status = NT_STATUS_ACCESS_DENIED;
break;
case 20:
if (!set_user_info_20(ctr->info.id20, pwd))
r_u->status = NT_STATUS_ACCESS_DENIED;
break;
case 21:
if (!set_user_info_21(ctr->info.id21, pwd))
return NT_STATUS_ACCESS_DENIED;
break;
default:
r_u->status = NT_STATUS_INVALID_INFO_CLASS;
}
if ( has_enough_rights )
unbecome_root();
/* ================ END SeMachineAccountPrivilege BLOCK ================ */
return r_u->status;
}
/*********************************************************************
_samr_query_aliasmem
*********************************************************************/
NTSTATUS _samr_query_useraliases(pipes_struct *p, SAMR_Q_QUERY_USERALIASES *q_u, SAMR_R_QUERY_USERALIASES *r_u)
{
int num_alias_rids;
uint32 *alias_rids;
struct samr_info *info = NULL;
int i;
NTSTATUS ntstatus1;
NTSTATUS ntstatus2;
DOM_SID *members;
BOOL res;
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_query_useraliases: %d\n", __LINE__));
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
ntstatus1 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_LOOKUP_ALIAS_BY_MEM, "_samr_query_useraliases");
ntstatus2 = access_check_samr_function(info->acc_granted, SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_query_useraliases");
if (!NT_STATUS_IS_OK(ntstatus1) || !NT_STATUS_IS_OK(ntstatus2)) {
if (!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus2)) &&
!(NT_STATUS_EQUAL(ntstatus1,NT_STATUS_ACCESS_DENIED) && NT_STATUS_IS_OK(ntstatus1))) {
return (NT_STATUS_IS_OK(ntstatus1)) ? ntstatus2 : ntstatus1;
}
}
if (!sid_check_is_domain(&info->sid) &&
!sid_check_is_builtin(&info->sid))
return NT_STATUS_OBJECT_TYPE_MISMATCH;
members = TALLOC_ARRAY(p->mem_ctx, DOM_SID, q_u->num_sids1);
if (members == NULL)
return NT_STATUS_NO_MEMORY;
for (i=0; i<q_u->num_sids1; i++)
sid_copy(&members[i], &q_u->sid[i].sid);
alias_rids = NULL;
num_alias_rids = 0;
become_root();
res = pdb_enum_alias_memberships(p->mem_ctx, &info->sid, members,
q_u->num_sids1,
&alias_rids, &num_alias_rids);
unbecome_root();
if (!res)
return NT_STATUS_UNSUCCESSFUL;
init_samr_r_query_useraliases(r_u, num_alias_rids, alias_rids,
NT_STATUS_OK);
return NT_STATUS_OK;
}
/*********************************************************************
_samr_query_aliasmem
*********************************************************************/
NTSTATUS _samr_query_aliasmem(pipes_struct *p, SAMR_Q_QUERY_ALIASMEM *q_u, SAMR_R_QUERY_ALIASMEM *r_u)
{
int i;
int num_sids = 0;
DOM_SID2 *sid;
DOM_SID *sids=NULL;
DOM_SID alias_sid;
uint32 acc_granted;
/* find the policy handle. open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status =
access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_GET_MEMBERS, "_samr_query_aliasmem"))) {
return r_u->status;
}
DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
if (!pdb_enum_aliasmem(&alias_sid, &sids, &num_sids))
return NT_STATUS_NO_SUCH_ALIAS;
sid = TALLOC_ZERO_ARRAY(p->mem_ctx, DOM_SID2, num_sids);
if (num_sids!=0 && sid == NULL) {
SAFE_FREE(sids);
return NT_STATUS_NO_MEMORY;
}
for (i = 0; i < num_sids; i++) {
init_dom_sid2(&sid[i], &sids[i]);
}
init_samr_r_query_aliasmem(r_u, num_sids, sid, NT_STATUS_OK);
SAFE_FREE(sids);
return NT_STATUS_OK;
}
static void add_uid_to_array_unique(uid_t uid, uid_t **uids, int *num)
{
int i;
for (i=0; i<*num; i++) {
if ((*uids)[i] == uid)
return;
}
*uids = SMB_REALLOC_ARRAY(*uids, uid_t, *num+1);
if (*uids == NULL)
return;
(*uids)[*num] = uid;
*num += 1;
}
static BOOL get_memberuids(gid_t gid, uid_t **uids, int *num)
{
struct group *grp;
char **gr;
struct sys_pwent *userlist, *user;
*uids = NULL;
*num = 0;
/* We only look at our own sam, so don't care about imported stuff */
winbind_off();
if ((grp = getgrgid(gid)) == NULL) {
winbind_on();
return False;
}
/* Primary group members */
userlist = getpwent_list();
for (user = userlist; user != NULL; user = user->next) {
if (user->pw_gid != gid)
continue;
add_uid_to_array_unique(user->pw_uid, uids, num);
}
pwent_free(userlist);
/* Secondary group members */
for (gr = grp->gr_mem; (*gr != NULL) && ((*gr)[0] != '\0'); gr += 1) {
struct passwd *pw = getpwnam(*gr);
if (pw == NULL)
continue;
add_uid_to_array_unique(pw->pw_uid, uids, num);
}
winbind_on();
return True;
}
/*********************************************************************
_samr_query_groupmem
*********************************************************************/
NTSTATUS _samr_query_groupmem(pipes_struct *p, SAMR_Q_QUERY_GROUPMEM *q_u, SAMR_R_QUERY_GROUPMEM *r_u)
{
DOM_SID group_sid;
fstring group_sid_str;
int i, num_members;
uint32 *rid=NULL;
uint32 *attr=NULL;
uint32 acc_granted;
NTSTATUS result;
/* find the policy handle. open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_GET_MEMBERS, "_samr_query_groupmem"))) {
return r_u->status;
}
sid_to_string(group_sid_str, &group_sid);
DEBUG(10, ("sid is %s\n", group_sid_str));
if (!sid_check_is_in_our_domain(&group_sid)) {
DEBUG(3, ("sid %s is not in our domain\n", group_sid_str));
return NT_STATUS_NO_SUCH_GROUP;
}
DEBUG(10, ("lookup on Domain SID\n"));
become_root();
result = pdb_enum_group_members(p->mem_ctx, &group_sid,
&rid, &num_members);
unbecome_root();
if (!NT_STATUS_IS_OK(result))
return result;
attr=TALLOC_ZERO_ARRAY(p->mem_ctx, uint32, num_members);
if ((num_members!=0) && (rid==NULL))
return NT_STATUS_NO_MEMORY;
for (i=0; i<num_members; i++)
attr[i] = SID_NAME_USER;
init_samr_r_query_groupmem(r_u, num_members, rid, attr, NT_STATUS_OK);
return NT_STATUS_OK;
}
/*********************************************************************
_samr_add_aliasmem
*********************************************************************/
NTSTATUS _samr_add_aliasmem(pipes_struct *p, SAMR_Q_ADD_ALIASMEM *q_u, SAMR_R_ADD_ALIASMEM *r_u)
{
DOM_SID alias_sid;
uint32 acc_granted;
SE_PRIV se_rights;
BOOL can_add_accounts;
BOOL ret;
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_ADD_MEMBER, "_samr_add_aliasmem"))) {
return r_u->status;
}
DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
se_priv_copy( &se_rights, &se_add_users );
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
ret = pdb_add_aliasmem(&alias_sid, &q_u->sid.sid);
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
return ret ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
}
/*********************************************************************
_samr_del_aliasmem
*********************************************************************/
NTSTATUS _samr_del_aliasmem(pipes_struct *p, SAMR_Q_DEL_ALIASMEM *q_u, SAMR_R_DEL_ALIASMEM *r_u)
{
DOM_SID alias_sid;
uint32 acc_granted;
SE_PRIV se_rights;
BOOL can_add_accounts;
BOOL ret;
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_REMOVE_MEMBER, "_samr_del_aliasmem"))) {
return r_u->status;
}
DEBUG(10, ("_samr_del_aliasmem:sid is %s\n",
sid_string_static(&alias_sid)));
se_priv_copy( &se_rights, &se_add_users );
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
ret = pdb_del_aliasmem(&alias_sid, &q_u->sid.sid);
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
return ret ? NT_STATUS_OK : NT_STATUS_ACCESS_DENIED;
}
/*********************************************************************
_samr_add_groupmem
*********************************************************************/
NTSTATUS _samr_add_groupmem(pipes_struct *p, SAMR_Q_ADD_GROUPMEM *q_u, SAMR_R_ADD_GROUPMEM *r_u)
{
DOM_SID group_sid;
DOM_SID user_sid;
fstring group_sid_str;
uid_t uid;
struct passwd *pwd;
struct group *grp;
fstring grp_name;
GROUP_MAP map;
NTSTATUS ret;
SAM_ACCOUNT *sam_user=NULL;
BOOL check;
uint32 acc_granted;
SE_PRIV se_rights;
BOOL can_add_accounts;
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_ADD_MEMBER, "_samr_add_groupmem"))) {
return r_u->status;
}
sid_to_string(group_sid_str, &group_sid);
DEBUG(10, ("sid is %s\n", group_sid_str));
if (sid_compare(&group_sid, get_global_sam_sid())<=0)
return NT_STATUS_NO_SUCH_GROUP;
DEBUG(10, ("lookup on Domain SID\n"));
if(!get_domain_group_from_sid(group_sid, &map))
return NT_STATUS_NO_SUCH_GROUP;
sid_copy(&user_sid, get_global_sam_sid());
sid_append_rid(&user_sid, q_u->rid);
ret = pdb_init_sam(&sam_user);
if (!NT_STATUS_IS_OK(ret))
return ret;
check = pdb_getsampwsid(sam_user, &user_sid);
if (check != True) {
pdb_free_sam(&sam_user);
return NT_STATUS_NO_SUCH_USER;
}
/* check a real user exist before we run the script to add a user to a group */
if (!NT_STATUS_IS_OK(sid_to_uid(pdb_get_user_sid(sam_user), &uid))) {
pdb_free_sam(&sam_user);
return NT_STATUS_NO_SUCH_USER;
}
pdb_free_sam(&sam_user);
if ((pwd=getpwuid_alloc(uid)) == NULL) {
return NT_STATUS_NO_SUCH_USER;
}
if ((grp=getgrgid(map.gid)) == NULL) {
passwd_free(&pwd);
return NT_STATUS_NO_SUCH_GROUP;
}
/* we need to copy the name otherwise it's overloaded in user_in_unix_group_list */
fstrcpy(grp_name, grp->gr_name);
/* if the user is already in the group */
if(user_in_unix_group_list(pwd->pw_name, grp_name)) {
passwd_free(&pwd);
return NT_STATUS_MEMBER_IN_GROUP;
}
se_priv_copy( &se_rights, &se_add_users );
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
/*
* ok, the group exist, the user exist, the user is not in the group,
*
* we can (finally) add it to the group !
*/
smb_add_user_group(grp_name, pwd->pw_name);
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
/* check if the user has been added then ... */
if(!user_in_unix_group_list(pwd->pw_name, grp_name)) {
passwd_free(&pwd);
return NT_STATUS_MEMBER_NOT_IN_GROUP; /* don't know what to reply else */
}
passwd_free(&pwd);
return NT_STATUS_OK;
}
/*********************************************************************
_samr_del_groupmem
*********************************************************************/
NTSTATUS _samr_del_groupmem(pipes_struct *p, SAMR_Q_DEL_GROUPMEM *q_u, SAMR_R_DEL_GROUPMEM *r_u)
{
DOM_SID group_sid;
DOM_SID user_sid;
SAM_ACCOUNT *sam_pass=NULL;
GROUP_MAP map;
fstring grp_name;
struct group *grp;
uint32 acc_granted;
SE_PRIV se_rights;
BOOL can_add_accounts;
/*
* delete the group member named q_u->rid
* who is a member of the sid associated with the handle
* the rid is a user's rid as the group is a domain group.
*/
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_REMOVE_MEMBER, "_samr_del_groupmem"))) {
return r_u->status;
}
if (!sid_check_is_in_our_domain(&group_sid))
return NT_STATUS_NO_SUCH_GROUP;
sid_copy(&user_sid, get_global_sam_sid());
sid_append_rid(&user_sid, q_u->rid);
if (!get_domain_group_from_sid(group_sid, &map))
return NT_STATUS_NO_SUCH_GROUP;
if ((grp=getgrgid(map.gid)) == NULL)
return NT_STATUS_NO_SUCH_GROUP;
/* we need to copy the name otherwise it's overloaded in user_in_group_list */
fstrcpy(grp_name, grp->gr_name);
/* check if the user exists before trying to remove it from the group */
pdb_init_sam(&sam_pass);
if (!pdb_getsampwsid(sam_pass, &user_sid)) {
DEBUG(5,("User %s doesn't exist.\n", pdb_get_username(sam_pass)));
pdb_free_sam(&sam_pass);
return NT_STATUS_NO_SUCH_USER;
}
/* if the user is not in the group */
if (!user_in_unix_group_list(pdb_get_username(sam_pass), grp_name)) {
pdb_free_sam(&sam_pass);
return NT_STATUS_MEMBER_NOT_IN_GROUP;
}
se_priv_copy( &se_rights, &se_add_users );
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
smb_delete_user_group(grp_name, pdb_get_username(sam_pass));
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
/* check if the user has been removed then ... */
if (user_in_unix_group_list(pdb_get_username(sam_pass), grp_name)) {
pdb_free_sam(&sam_pass);
return NT_STATUS_ACCESS_DENIED; /* don't know what to reply else */
}
pdb_free_sam(&sam_pass);
return NT_STATUS_OK;
}
/****************************************************************************
Delete a UNIX user on demand.
****************************************************************************/
static int smb_delete_user(const char *unix_user)
{
pstring del_script;
int ret;
pstrcpy(del_script, lp_deluser_script());
if (! *del_script)
return -1;
all_string_sub(del_script, "%u", unix_user, sizeof(del_script));
ret = smbrun(del_script,NULL);
flush_pwnam_cache();
DEBUG(ret ? 0 : 3,("smb_delete_user: Running the command `%s' gave %d\n",del_script,ret));
return ret;
}
/*********************************************************************
_samr_delete_dom_user
*********************************************************************/
NTSTATUS _samr_delete_dom_user(pipes_struct *p, SAMR_Q_DELETE_DOM_USER *q_u, SAMR_R_DELETE_DOM_USER *r_u )
{
DOM_SID user_sid;
SAM_ACCOUNT *sam_pass=NULL;
uint32 acc_granted;
BOOL can_add_accounts;
BOOL ret;
DEBUG(5, ("_samr_delete_dom_user: %d\n", __LINE__));
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->user_pol, &user_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_user"))) {
return r_u->status;
}
if (!sid_check_is_in_our_domain(&user_sid))
return NT_STATUS_CANNOT_DELETE;
/* check if the user exists before trying to delete */
pdb_init_sam(&sam_pass);
if(!pdb_getsampwsid(sam_pass, &user_sid)) {
DEBUG(5,("_samr_delete_dom_user:User %s doesn't exist.\n",
sid_string_static(&user_sid)));
pdb_free_sam(&sam_pass);
return NT_STATUS_NO_SUCH_USER;
}
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_add_users );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
/* First delete the samba side....
code is order to prevent unnecessary returns out of the admin
block of code */
if ( (ret = pdb_delete_sam_account(sam_pass)) == True ) {
/*
* Now delete the unix side ....
* note: we don't check if the delete really happened
* as the script is not necessary present
* and maybe the sysadmin doesn't want to delete the unix side
*/
smb_delete_user( pdb_get_username(sam_pass) );
}
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
if ( !ret ) {
DEBUG(5,("_samr_delete_dom_user:Failed to delete entry for user %s.\n", pdb_get_username(sam_pass)));
pdb_free_sam(&sam_pass);
return NT_STATUS_CANNOT_DELETE;
}
pdb_free_sam(&sam_pass);
if (!close_policy_hnd(p, &q_u->user_pol))
return NT_STATUS_OBJECT_NAME_INVALID;
return NT_STATUS_OK;
}
/*********************************************************************
_samr_delete_dom_group
*********************************************************************/
NTSTATUS _samr_delete_dom_group(pipes_struct *p, SAMR_Q_DELETE_DOM_GROUP *q_u, SAMR_R_DELETE_DOM_GROUP *r_u)
{
DOM_SID group_sid;
DOM_SID dom_sid;
uint32 group_rid;
fstring group_sid_str;
gid_t gid;
struct group *grp;
GROUP_MAP map;
uint32 acc_granted;
SE_PRIV se_rights;
BOOL can_add_accounts;
BOOL ret;
DEBUG(5, ("samr_delete_dom_group: %d\n", __LINE__));
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->group_pol, &group_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_group"))) {
return r_u->status;
}
sid_copy(&dom_sid, &group_sid);
sid_to_string(group_sid_str, &dom_sid);
sid_split_rid(&dom_sid, &group_rid);
DEBUG(10, ("sid is %s\n", group_sid_str));
/* we check if it's our SID before deleting */
if (!sid_equal(&dom_sid, get_global_sam_sid()))
return NT_STATUS_NO_SUCH_GROUP;
DEBUG(10, ("lookup on Domain SID\n"));
if(!get_domain_group_from_sid(group_sid, &map))
return NT_STATUS_NO_SUCH_GROUP;
gid=map.gid;
/* check if group really exists */
if ( (grp=getgrgid(gid)) == NULL)
return NT_STATUS_NO_SUCH_GROUP;
se_priv_copy( &se_rights, &se_add_users );
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
/* delete mapping first */
if ( (ret = pdb_delete_group_mapping_entry(group_sid)) == True ) {
smb_delete_group( grp->gr_name );
}
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
if ( !ret ) {
DEBUG(5,("_samr_delete_dom_group: Failed to delete mapping entry for group %s.\n",
group_sid_str));
return NT_STATUS_ACCESS_DENIED;
}
/* don't check that the unix group has been deleted. Work like
_samr_delet_dom_user() */
if (!close_policy_hnd(p, &q_u->group_pol))
return NT_STATUS_OBJECT_NAME_INVALID;
return NT_STATUS_OK;
}
/*********************************************************************
_samr_delete_dom_alias
*********************************************************************/
NTSTATUS _samr_delete_dom_alias(pipes_struct *p, SAMR_Q_DELETE_DOM_ALIAS *q_u, SAMR_R_DELETE_DOM_ALIAS *r_u)
{
DOM_SID alias_sid;
uint32 acc_granted;
SE_PRIV se_rights;
BOOL can_add_accounts;
BOOL ret;
DEBUG(5, ("_samr_delete_dom_alias: %d\n", __LINE__));
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &alias_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS, "_samr_delete_dom_alias"))) {
return r_u->status;
}
DEBUG(10, ("sid is %s\n", sid_string_static(&alias_sid)));
if (!sid_check_is_in_our_domain(&alias_sid))
return NT_STATUS_NO_SUCH_ALIAS;
DEBUG(10, ("lookup on Local SID\n"));
se_priv_copy( &se_rights, &se_add_users );
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
/* Have passdb delete the alias */
ret = pdb_delete_alias(&alias_sid);
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
if ( !ret )
return NT_STATUS_ACCESS_DENIED;
if (!close_policy_hnd(p, &q_u->alias_pol))
return NT_STATUS_OBJECT_NAME_INVALID;
return NT_STATUS_OK;
}
/*********************************************************************
_samr_create_dom_group
*********************************************************************/
NTSTATUS _samr_create_dom_group(pipes_struct *p, SAMR_Q_CREATE_DOM_GROUP *q_u, SAMR_R_CREATE_DOM_GROUP *r_u)
{
DOM_SID dom_sid;
DOM_SID info_sid;
fstring name;
fstring sid_string;
struct group *grp;
struct samr_info *info;
uint32 acc_granted;
gid_t gid;
SE_PRIV se_rights;
BOOL can_add_accounts;
NTSTATUS result;
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &dom_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_GROUP, "_samr_create_dom_group"))) {
return r_u->status;
}
if (!sid_equal(&dom_sid, get_global_sam_sid()))
return NT_STATUS_ACCESS_DENIED;
unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
/* check if group already exist */
if ((grp=getgrnam(name)) != NULL)
return NT_STATUS_GROUP_EXISTS;
se_priv_copy( &se_rights, &se_add_users );
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
/* check that we successfully create the UNIX group */
result = NT_STATUS_ACCESS_DENIED;
if ( (smb_create_group(name, &gid) == 0) && ((grp=getgrgid(gid)) != NULL) ) {
/* so far, so good */
result = NT_STATUS_OK;
r_u->rid = pdb_gid_to_group_rid( grp->gr_gid );
/* add the group to the mapping table */
sid_copy( &info_sid, get_global_sam_sid() );
sid_append_rid( &info_sid, r_u->rid );
sid_to_string( sid_string, &info_sid );
/* reset the error code if we fail to add the mapping entry */
if ( !add_initial_entry(grp->gr_gid, sid_string, SID_NAME_DOM_GRP, name, NULL) )
result = NT_STATUS_ACCESS_DENIED;
}
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
/* check if we should bail out here */
if ( !NT_STATUS_IS_OK(result) )
return result;
if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
return NT_STATUS_NO_MEMORY;
/* they created it; let the user do what he wants with it */
info->acc_granted = GENERIC_RIGHTS_GROUP_ALL_ACCESS;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return NT_STATUS_OK;
}
/*********************************************************************
_samr_create_dom_alias
*********************************************************************/
NTSTATUS _samr_create_dom_alias(pipes_struct *p, SAMR_Q_CREATE_DOM_ALIAS *q_u, SAMR_R_CREATE_DOM_ALIAS *r_u)
{
DOM_SID dom_sid;
DOM_SID info_sid;
fstring name;
struct samr_info *info;
uint32 acc_granted;
gid_t gid;
NTSTATUS result;
SE_PRIV se_rights;
BOOL can_add_accounts;
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &dom_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_DOMAIN_CREATE_ALIAS, "_samr_create_alias"))) {
return r_u->status;
}
if (!sid_equal(&dom_sid, get_global_sam_sid()))
return NT_STATUS_ACCESS_DENIED;
unistr2_to_ascii(name, &q_u->uni_acct_desc, sizeof(name)-1);
se_priv_copy( &se_rights, &se_add_users );
can_add_accounts = user_has_privileges( p->pipe_user.nt_user_token, &se_rights );
/******** BEGIN SeAddUsers BLOCK *********/
if ( can_add_accounts )
become_root();
/* Have passdb create the alias */
result = pdb_create_alias(name, &r_u->rid);
if ( can_add_accounts )
unbecome_root();
/******** END SeAddUsers BLOCK *********/
if (!NT_STATUS_IS_OK(result))
return result;
sid_copy(&info_sid, get_global_sam_sid());
sid_append_rid(&info_sid, r_u->rid);
if (!NT_STATUS_IS_OK(sid_to_gid(&info_sid, &gid)))
return NT_STATUS_ACCESS_DENIED;
/* check if the group has been successfully created */
if ( getgrgid(gid) == NULL )
return NT_STATUS_ACCESS_DENIED;
if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
return NT_STATUS_NO_MEMORY;
/* they created it; let the user do what he wants with it */
info->acc_granted = GENERIC_RIGHTS_ALIAS_ALL_ACCESS;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->alias_pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return NT_STATUS_OK;
}
/*********************************************************************
_samr_query_groupinfo
sends the name/comment pair of a domain group
level 1 send also the number of users of that group
*********************************************************************/
NTSTATUS _samr_query_groupinfo(pipes_struct *p, SAMR_Q_QUERY_GROUPINFO *q_u, SAMR_R_QUERY_GROUPINFO *r_u)
{
DOM_SID group_sid;
GROUP_MAP map;
DOM_SID *sids=NULL;
uid_t *uids;
int num=0;
GROUP_INFO_CTR *ctr;
uint32 acc_granted;
BOOL ret;
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_LOOKUP_INFO, "_samr_query_groupinfo"))) {
return r_u->status;
}
become_root();
ret = get_domain_group_from_sid(group_sid, &map);
unbecome_root();
if (!ret)
return NT_STATUS_INVALID_HANDLE;
ctr=TALLOC_ZERO_P(p->mem_ctx, GROUP_INFO_CTR);
if (ctr==NULL)
return NT_STATUS_NO_MEMORY;
switch (q_u->switch_level) {
case 1:
ctr->switch_value1 = 1;
if(!get_memberuids(map.gid, &uids, &num))
return NT_STATUS_NO_SUCH_GROUP;
SAFE_FREE(uids);
init_samr_group_info1(&ctr->group.info1, map.nt_name, map.comment, num);
SAFE_FREE(sids);
break;
case 3:
ctr->switch_value1 = 3;
init_samr_group_info3(&ctr->group.info3);
break;
case 4:
ctr->switch_value1 = 4;
init_samr_group_info4(&ctr->group.info4, map.comment);
break;
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
init_samr_r_query_groupinfo(r_u, ctr, NT_STATUS_OK);
return NT_STATUS_OK;
}
/*********************************************************************
_samr_set_groupinfo
update a domain group's comment.
*********************************************************************/
NTSTATUS _samr_set_groupinfo(pipes_struct *p, SAMR_Q_SET_GROUPINFO *q_u, SAMR_R_SET_GROUPINFO *r_u)
{
DOM_SID group_sid;
GROUP_MAP map;
GROUP_INFO_CTR *ctr;
uint32 acc_granted;
if (!get_lsa_policy_samr_sid(p, &q_u->pol, &group_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_GROUP_SET_INFO, "_samr_set_groupinfo"))) {
return r_u->status;
}
if (!get_domain_group_from_sid(group_sid, &map))
return NT_STATUS_NO_SUCH_GROUP;
ctr=q_u->ctr;
switch (ctr->switch_value1) {
case 1:
unistr2_to_ascii(map.comment, &(ctr->group.info1.uni_acct_desc), sizeof(map.comment)-1);
break;
case 4:
unistr2_to_ascii(map.comment, &(ctr->group.info4.uni_acct_desc), sizeof(map.comment)-1);
break;
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
if(!pdb_update_group_mapping_entry(&map)) {
return NT_STATUS_NO_SUCH_GROUP;
}
return NT_STATUS_OK;
}
/*********************************************************************
_samr_set_aliasinfo
update an alias's comment.
*********************************************************************/
NTSTATUS _samr_set_aliasinfo(pipes_struct *p, SAMR_Q_SET_ALIASINFO *q_u, SAMR_R_SET_ALIASINFO *r_u)
{
DOM_SID group_sid;
struct acct_info info;
ALIAS_INFO_CTR *ctr;
uint32 acc_granted;
if (!get_lsa_policy_samr_sid(p, &q_u->alias_pol, &group_sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
if (!NT_STATUS_IS_OK(r_u->status = access_check_samr_function(acc_granted, SA_RIGHT_ALIAS_SET_INFO, "_samr_set_aliasinfo"))) {
return r_u->status;
}
ctr=&q_u->ctr;
switch (ctr->level) {
case 3:
if ( ctr->alias.info3.description.string ) {
unistr2_to_ascii( info.acct_desc,
ctr->alias.info3.description.string,
sizeof(info.acct_desc)-1 );
}
break;
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
if(!pdb_set_aliasinfo(&group_sid, &info)) {
return NT_STATUS_ACCESS_DENIED;
}
return NT_STATUS_OK;
}
/*********************************************************************
_samr_get_dom_pwinfo
*********************************************************************/
NTSTATUS _samr_get_dom_pwinfo(pipes_struct *p, SAMR_Q_GET_DOM_PWINFO *q_u, SAMR_R_GET_DOM_PWINFO *r_u)
{
/* Perform access check. Since this rpc does not require a
policy handle it will not be caught by the access checks on
SAMR_CONNECT or SAMR_CONNECT_ANON. */
if (!pipe_access_check(p)) {
DEBUG(3, ("access denied to samr_get_dom_pwinfo\n"));
r_u->status = NT_STATUS_ACCESS_DENIED;
return r_u->status;
}
/* Actually, returning zeros here works quite well :-). */
return NT_STATUS_OK;
}
/*********************************************************************
_samr_open_group
*********************************************************************/
NTSTATUS _samr_open_group(pipes_struct *p, SAMR_Q_OPEN_GROUP *q_u, SAMR_R_OPEN_GROUP *r_u)
{
DOM_SID sid;
DOM_SID info_sid;
GROUP_MAP map;
struct samr_info *info;
SEC_DESC *psd = NULL;
uint32 acc_granted;
uint32 des_access = q_u->access_mask;
size_t sd_size;
NTSTATUS status;
fstring sid_string;
BOOL ret;
SE_PRIV se_rights;
if (!get_lsa_policy_samr_sid(p, &q_u->domain_pol, &sid, &acc_granted))
return NT_STATUS_INVALID_HANDLE;
status = access_check_samr_function(acc_granted,
SA_RIGHT_DOMAIN_OPEN_ACCOUNT, "_samr_open_group");
if ( !NT_STATUS_IS_OK(status) )
return status;
/*check if access can be granted as requested by client. */
make_samr_object_sd(p->mem_ctx, &psd, &sd_size, &grp_generic_mapping, NULL, 0);
se_map_generic(&des_access,&grp_generic_mapping);
se_priv_copy( &se_rights, &se_add_users );
status = access_check_samr_object(psd, p->pipe_user.nt_user_token,
&se_rights, GENERIC_RIGHTS_GROUP_WRITE, des_access,
&acc_granted, "_samr_open_group");
if ( !NT_STATUS_IS_OK(status) )
return status;
/* this should not be hard-coded like this */
if (!sid_equal(&sid, get_global_sam_sid()))
return NT_STATUS_ACCESS_DENIED;
sid_copy(&info_sid, get_global_sam_sid());
sid_append_rid(&info_sid, q_u->rid_group);
sid_to_string(sid_string, &info_sid);
if ((info = get_samr_info_by_sid(&info_sid)) == NULL)
return NT_STATUS_NO_MEMORY;
info->acc_granted = acc_granted;
DEBUG(10, ("_samr_open_group:Opening SID: %s\n", sid_string));
/* check if that group really exists */
become_root();
ret = get_domain_group_from_sid(info->sid, &map);
unbecome_root();
if (!ret)
return NT_STATUS_NO_SUCH_GROUP;
/* get a (unique) handle. open a policy on it. */
if (!create_policy_hnd(p, &r_u->pol, free_samr_info, (void *)info))
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
return NT_STATUS_OK;
}
/*********************************************************************
_samr_remove_sid_foreign_domain
*********************************************************************/
NTSTATUS _samr_remove_sid_foreign_domain(pipes_struct *p,
SAMR_Q_REMOVE_SID_FOREIGN_DOMAIN *q_u,
SAMR_R_REMOVE_SID_FOREIGN_DOMAIN *r_u)
{
DOM_SID delete_sid, domain_sid;
uint32 acc_granted;
NTSTATUS result;
sid_copy( &delete_sid, &q_u->sid.sid );
DEBUG(5,("_samr_remove_sid_foreign_domain: removing SID [%s]\n",
sid_string_static(&delete_sid)));
/* Find the policy handle. Open a policy on it. */
if (!get_lsa_policy_samr_sid(p, &q_u->dom_pol, &domain_sid,
&acc_granted))
return NT_STATUS_INVALID_HANDLE;
result = access_check_samr_function(acc_granted, STD_RIGHT_DELETE_ACCESS,
"_samr_remove_sid_foreign_domain");
if (!NT_STATUS_IS_OK(result))
return result;
DEBUG(8, ("_samr_remove_sid_foreign_domain:sid is %s\n",
sid_string_static(&domain_sid)));
/* we can only delete a user from a group since we don't have
nested groups anyways. So in the latter case, just say OK */
/* TODO: The above comment nowadays is bogus. Since we have nested
* groups now, and aliases members are never reported out of the unix
* group membership, the "just say OK" makes this call a no-op. For
* us. This needs fixing however. */
/* I've only ever seen this in the wild when deleting a user from
* usrmgr.exe. domain_sid is the builtin domain, and the sid to delete
* is the user about to be deleted. I very much suspect this is the
* only application of this call. To verify this, let people report
* other cases. */
if (!sid_check_is_builtin(&domain_sid)) {
DEBUG(1,("_samr_remove_sid_foreign_domain: domain_sid = %s, "
"global_sam_sid() = %s\n",
sid_string_static(&domain_sid),
sid_string_static(get_global_sam_sid())));
DEBUGADD(1,("please report to samba-technical@samba.org!\n"));
return NT_STATUS_OK;
}
result = NT_STATUS_OK;
return result;
}
/*******************************************************************
_samr_unknown_2e
********************************************************************/
NTSTATUS _samr_unknown_2e(pipes_struct *p, SAMR_Q_UNKNOWN_2E *q_u, SAMR_R_UNKNOWN_2E *r_u)
{
struct samr_info *info = NULL;
SAM_UNK_CTR *ctr;
uint32 min_pass_len,pass_hist,flag;
time_t u_expire, u_min_age;
NTTIME nt_expire, nt_min_age;
time_t u_lock_duration, u_reset_time;
NTTIME nt_lock_duration, nt_reset_time;
uint32 lockout;
time_t u_logout;
NTTIME nt_logout;
uint32 num_users=0, num_groups=0, num_aliases=0;
uint32 account_policy_temp;
uint32 server_role;
if ((ctr = TALLOC_ZERO_P(p->mem_ctx, SAM_UNK_CTR)) == NULL)
return NT_STATUS_NO_MEMORY;
ZERO_STRUCTP(ctr);
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_unknown_2e: %d\n", __LINE__));
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->domain_pol, (void **)&info))
return NT_STATUS_INVALID_HANDLE;
switch (q_u->switch_value) {
case 0x01:
account_policy_get(AP_MIN_PASSWORD_LEN, &account_policy_temp);
min_pass_len = account_policy_temp;
account_policy_get(AP_PASSWORD_HISTORY, &account_policy_temp);
pass_hist = account_policy_temp;
account_policy_get(AP_USER_MUST_LOGON_TO_CHG_PASS, &account_policy_temp);
flag = account_policy_temp;
account_policy_get(AP_MAX_PASSWORD_AGE, &account_policy_temp);
u_expire = account_policy_temp;
account_policy_get(AP_MIN_PASSWORD_AGE, &account_policy_temp);
u_min_age = account_policy_temp;
unix_to_nt_time_abs(&nt_expire, u_expire);
unix_to_nt_time_abs(&nt_min_age, u_min_age);
init_unk_info1(&ctr->info.inf1, (uint16)min_pass_len, (uint16)pass_hist,
flag, nt_expire, nt_min_age);
break;
case 0x02:
become_root();
num_users = count_sam_users(&info->disp_info,
ACB_NORMAL);
num_groups = count_sam_groups(&info->disp_info);
unbecome_root();
free_samr_db(info);
account_policy_get(AP_TIME_TO_LOGOUT, &account_policy_temp);
u_logout = account_policy_temp;
unix_to_nt_time_abs(&nt_logout, u_logout);
server_role = ROLE_DOMAIN_PDC;
if (lp_server_role() == ROLE_DOMAIN_BDC)
server_role = ROLE_DOMAIN_BDC;
/* The time call below is to get a sequence number for the sam. FIXME !!! JRA. */
init_unk_info2(&ctr->info.inf2, lp_serverstring(), lp_workgroup(), global_myname(), time(NULL),
num_users, num_groups, num_aliases, nt_logout, server_role);
break;
case 0x03:
account_policy_get(AP_TIME_TO_LOGOUT, &account_policy_temp);
u_logout = account_policy_temp;
unix_to_nt_time_abs(&nt_logout, u_logout);
init_unk_info3(&ctr->info.inf3, nt_logout);
break;
case 0x05:
init_unk_info5(&ctr->info.inf5, global_myname());
break;
case 0x06:
init_unk_info6(&ctr->info.inf6);
break;
case 0x07:
server_role = ROLE_DOMAIN_PDC;
if (lp_server_role() == ROLE_DOMAIN_BDC)
server_role = ROLE_DOMAIN_BDC;
init_unk_info7(&ctr->info.inf7, server_role);
break;
case 0x08:
init_unk_info8(&ctr->info.inf8, (uint32) time(NULL));
break;
case 0x0c:
account_policy_get(AP_LOCK_ACCOUNT_DURATION, &account_policy_temp);
u_lock_duration = account_policy_temp;
if (u_lock_duration != -1)
u_lock_duration *= 60;
account_policy_get(AP_RESET_COUNT_TIME, &account_policy_temp);
u_reset_time = account_policy_temp * 60;
account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &account_policy_temp);
lockout = account_policy_temp;
unix_to_nt_time_abs(&nt_lock_duration, u_lock_duration);
unix_to_nt_time_abs(&nt_reset_time, u_reset_time);
init_unk_info12(&ctr->info.inf12, nt_lock_duration, nt_reset_time, (uint16)lockout);
break;
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
init_samr_r_samr_unknown_2e(r_u, q_u->switch_value, ctr, NT_STATUS_OK);
DEBUG(5,("_samr_unknown_2e: %d\n", __LINE__));
return r_u->status;
}
/*******************************************************************
_samr_
********************************************************************/
NTSTATUS _samr_set_dom_info(pipes_struct *p, SAMR_Q_SET_DOMAIN_INFO *q_u, SAMR_R_SET_DOMAIN_INFO *r_u)
{
time_t u_expire, u_min_age;
time_t u_logout;
time_t u_lock_duration, u_reset_time;
r_u->status = NT_STATUS_OK;
DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
/* find the policy handle. open a policy on it. */
if (!find_policy_by_hnd(p, &q_u->domain_pol, NULL))
return NT_STATUS_INVALID_HANDLE;
DEBUG(5,("_samr_set_dom_info: switch_value: %d\n", q_u->switch_value));
switch (q_u->switch_value) {
case 0x01:
u_expire=nt_time_to_unix_abs(&q_u->ctr->info.inf1.expire);
u_min_age=nt_time_to_unix_abs(&q_u->ctr->info.inf1.min_passwordage);
account_policy_set(AP_MIN_PASSWORD_LEN, (uint32)q_u->ctr->info.inf1.min_length_password);
account_policy_set(AP_PASSWORD_HISTORY, (uint32)q_u->ctr->info.inf1.password_history);
account_policy_set(AP_USER_MUST_LOGON_TO_CHG_PASS, (uint32)q_u->ctr->info.inf1.flag);
account_policy_set(AP_MAX_PASSWORD_AGE, (int)u_expire);
account_policy_set(AP_MIN_PASSWORD_AGE, (int)u_min_age);
break;
case 0x02:
break;
case 0x03:
u_logout=nt_time_to_unix_abs(&q_u->ctr->info.inf3.logout);
account_policy_set(AP_TIME_TO_LOGOUT, (int)u_logout);
break;
case 0x05:
break;
case 0x06:
break;
case 0x07:
break;
case 0x0c:
u_lock_duration=nt_time_to_unix_abs(&q_u->ctr->info.inf12.duration);
if (u_lock_duration != -1)
u_lock_duration /= 60;
u_reset_time=nt_time_to_unix_abs(&q_u->ctr->info.inf12.reset_count)/60;
account_policy_set(AP_LOCK_ACCOUNT_DURATION, (int)u_lock_duration);
account_policy_set(AP_RESET_COUNT_TIME, (int)u_reset_time);
account_policy_set(AP_BAD_ATTEMPT_LOCKOUT, (uint32)q_u->ctr->info.inf12.bad_attempt_lockout);
break;
default:
return NT_STATUS_INVALID_INFO_CLASS;
}
init_samr_r_set_domain_info(r_u, NT_STATUS_OK);
DEBUG(5,("_samr_set_dom_info: %d\n", __LINE__));
return r_u->status;
}