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/*
* Unix password backend for samba
* Copyright (C) Jelmer Vernooij 2002
*
* 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.
*/
#include "includes.h"
/******************************************************************
Lookup a name in the SAM database
******************************************************************/
static BOOL unixsam_getsampwnam (struct pdb_methods *methods, SAM_ACCOUNT *user, const char *sname)
{
struct passwd *pass;
if (!methods) {
DEBUG(0,("invalid methods\n"));
return False;
}
if (!sname) {
DEBUG(0,("invalid name specified"));
return False;
}
pass = Get_Pwnam(sname);
return NT_STATUS_IS_OK(pdb_fill_sam_pw(user, pass));
}
/***************************************************************************
Search by rid
**************************************************************************/
static BOOL unixsam_getsampwrid (struct pdb_methods *methods,
SAM_ACCOUNT *user, uint32 rid)
{
struct passwd *pass;
BOOL ret = False;
if (!methods) {
DEBUG(0,("invalid methods\n"));
return False;
}
if (pdb_rid_is_user(rid)) {
pass = getpwuid_alloc(fallback_pdb_user_rid_to_uid (rid));
if (pass) {
ret = NT_STATUS_IS_OK(pdb_fill_sam_pw(user, pass));
passwd_free(&pass);
}
}
return ret;
}
static BOOL unixsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
{
uint32 rid;
if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid))
return False;
return unixsam_getsampwrid(my_methods, user, rid);
}
/***************************************************************************
Adds an existing SAM_ACCOUNT
****************************************************************************/
static BOOL unixsam_add_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *newpwd)
{
DEBUG(0,("pdb_unix should not be listed as the first passdb backend! You can't add users to it.\n"));
return False;
}
/***************************************************************************
Updates a SAM_ACCOUNT
This isn't a particulary practical option for pdb_unix. We certainly don't
want to twidde the filesystem, so what should we do?
Current plan is to transparently add the account. It should appear
as if the pdb_unix version was modified, but its actually stored somehwere.
****************************************************************************/
static BOOL unixsam_update_sam_account (struct pdb_methods *methods, SAM_ACCOUNT *newpwd)
{
return methods->parent->pdb_add_sam_account(methods->parent, newpwd);
}
NTSTATUS pdb_init_unixsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
{
NTSTATUS nt_status;
if (!pdb_context) {
DEBUG(0, ("invalid pdb_context specified\n"));
return NT_STATUS_UNSUCCESSFUL;
}
if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
return nt_status;
}
(*pdb_method)->name = "unixsam";
(*pdb_method)->setsampwent = NULL;
(*pdb_method)->endsampwent = NULL;
(*pdb_method)->getsampwent = NULL;
(*pdb_method)->getsampwnam = unixsam_getsampwnam;
(*pdb_method)->getsampwsid = unixsam_getsampwsid;
(*pdb_method)->add_sam_account = unixsam_add_sam_account;
(*pdb_method)->update_sam_account = unixsam_update_sam_account;
(*pdb_method)->delete_sam_account = NULL;
/* There's not very much to initialise here */
return NT_STATUS_OK;
}
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