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/*
* Unix SMB/Netbios implementation.
* Version 1.9.
* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-1997,
* Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
*
* 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"
extern int DEBUGLEVEL;
#ifndef MAX_OPEN_POLS
#define MAX_OPEN_POLS 50
#endif
struct reg_info
{
/* for use by \PIPE\winreg */
fstring name; /* name of registry key */
};
struct samr_info
{
/* for use by the \PIPE\samr policy */
DOM_SID sid;
uint32 rid; /* relative id associated with the pol_hnd */
uint32 status; /* some sort of flag. best to record it. comes from opnum 0x39 */
};
static struct
{
BOOL open;
POLICY_HND pol_hnd;
union
{
struct samr_info samr;
struct reg_info reg;
} dev;
} Policy[MAX_OPEN_POLS];
#define VALID_POL(pnum) (((pnum) >= 0) && ((pnum) < MAX_OPEN_POLS))
#define OPEN_POL(pnum) (VALID_POL(pnum) && Policy[pnum].open)
/****************************************************************************
create a unique policy handle
****************************************************************************/
void create_pol_hnd(POLICY_HND *hnd)
{
static uint32 pol_hnd_low = 0;
static uint32 pol_hnd_high = 0;
if (hnd == NULL) return;
/* i severely doubt that pol_hnd_high will ever be non-zero... */
pol_hnd_low++;
if (pol_hnd_low == 0) pol_hnd_high++;
SIVAL(hnd->data, 0 , 0x0); /* first bit must be null */
SIVAL(hnd->data, 4 , pol_hnd_low ); /* second bit is incrementing */
SIVAL(hnd->data, 8 , pol_hnd_high); /* second bit is incrementing */
SIVAL(hnd->data, 12, time(NULL)); /* something random */
SIVAL(hnd->data, 16, getpid()); /* something more random */
}
/****************************************************************************
initialise policy handle states...
****************************************************************************/
void init_lsa_policy_hnd(void)
{
int i;
for (i = 0; i < MAX_OPEN_POLS; i++)
{
Policy[i].open = False;
}
return;
}
/****************************************************************************
find first available policy slot. creates a policy handle for you.
****************************************************************************/
BOOL open_lsa_policy_hnd(POLICY_HND *hnd)
{
int i;
for (i = 0; i < MAX_OPEN_POLS; i++)
{
if (!Policy[i].open)
{
Policy[i].open = True;
create_pol_hnd(hnd);
memcpy(&(Policy[i].pol_hnd), hnd, sizeof(*hnd));
DEBUG(4,("Opened policy hnd[%x] ", i));
dump_data(4, (char *)hnd->data, sizeof(hnd->data));
return True;
}
}
/* i love obscure error messages. */
#if TERRY_PRATCHET_INTERESTING_TIMES
DEBUG(1,("+++ OUT OF CHEESE ERROR +++ REDO FROM START ... @?!*@@\n"));
#else
DEBUG(1,("ERROR - open_lsa_policy_hnd: out of Policy Handles!\n"));
#endif
return False;
}
/****************************************************************************
find policy index by handle
****************************************************************************/
int find_lsa_policy_by_hnd(POLICY_HND *hnd)
{
int i;
for (i = 0; i < MAX_OPEN_POLS; i++)
{
if (memcmp(&(Policy[i].pol_hnd), hnd, sizeof(*hnd)) == 0)
{
DEBUG(4,("Found policy hnd[%x] ", i));
dump_data(4, (char *)hnd->data, sizeof(hnd->data));
return i;
}
}
DEBUG(4,("Policy not found: "));
dump_data(4, (char *)hnd->data, sizeof(hnd->data));
return -1;
}
/****************************************************************************
set samr rid
****************************************************************************/
BOOL set_lsa_policy_samr_rid(POLICY_HND *hnd, uint32 rid)
{
int pnum = find_lsa_policy_by_hnd(hnd);
if (OPEN_POL(pnum))
{
DEBUG(3,("%s Setting policy device rid=%x pnum=%x\n",
timestring(), rid, pnum));
Policy[pnum].dev.samr.rid = rid;
return True;
}
else
{
DEBUG(3,("%s Error setting policy rid=%x (pnum=%x)\n",
timestring(), rid, pnum));
return False;
}
}
/****************************************************************************
set samr pol status. absolutely no idea what this is.
****************************************************************************/
BOOL set_lsa_policy_samr_pol_status(POLICY_HND *hnd, uint32 pol_status)
{
int pnum = find_lsa_policy_by_hnd(hnd);
if (OPEN_POL(pnum))
{
DEBUG(3,("%s Setting policy status=%x pnum=%x\n",
timestring(), pol_status, pnum));
Policy[pnum].dev.samr.status = pol_status;
return True;
}
else
{
DEBUG(3,("%s Error setting policy status=%x (pnum=%x)\n",
timestring(), pol_status, pnum));
return False;
}
}
/****************************************************************************
set samr sid
****************************************************************************/
BOOL set_lsa_policy_samr_sid(POLICY_HND *hnd, DOM_SID *sid)
{
int pnum = find_lsa_policy_by_hnd(hnd);
if (OPEN_POL(pnum))
{
DEBUG(3,("%s Setting policy sid=%s pnum=%x\n",
timestring(), dom_sid_to_string(sid), pnum));
memcpy(&(Policy[pnum].dev.samr.sid), sid, sizeof(*sid));
return True;
}
else
{
DEBUG(3,("%s Error setting policy sid=%s (pnum=%x)\n",
timestring(), dom_sid_to_string(sid), pnum));
return False;
}
}
/****************************************************************************
set samr rid
****************************************************************************/
uint32 get_lsa_policy_samr_rid(POLICY_HND *hnd)
{
int pnum = find_lsa_policy_by_hnd(hnd);
if (OPEN_POL(pnum))
{
uint32 rid = Policy[pnum].dev.samr.rid;
DEBUG(3,("%s Getting policy device rid=%x pnum=%x\n",
timestring(), rid, pnum));
return rid;
}
else
{
DEBUG(3,("%s Error getting policy (pnum=%x)\n",
timestring(), pnum));
return 0xffffffff;
}
}
/****************************************************************************
set reg name
****************************************************************************/
BOOL set_lsa_policy_reg_name(POLICY_HND *hnd, fstring name)
{
int pnum = find_lsa_policy_by_hnd(hnd);
if (OPEN_POL(pnum))
{
DEBUG(3,("%s Setting policy pnum=%x name=%s\n",
timestring(), pnum, name));
fstrcpy(Policy[pnum].dev.reg.name, name);
return True;
}
else
{
DEBUG(3,("%s Error setting policy (pnum=%x) name=%s\n",
timestring(), pnum, name));
return False;
}
}
/****************************************************************************
get reg name
****************************************************************************/
BOOL get_lsa_policy_reg_name(POLICY_HND *hnd, fstring name)
{
int pnum = find_lsa_policy_by_hnd(hnd);
if (OPEN_POL(pnum))
{
fstrcpy(name, Policy[pnum].dev.reg.name);
DEBUG(3,("%s Getting policy pnum=%x name=%s\n",
timestring(), pnum, name));
return True;
}
else
{
DEBUG(3,("%s Error getting policy (pnum=%x)\n",
timestring(), pnum));
return False;
}
}
/****************************************************************************
close an lsa policy
****************************************************************************/
BOOL close_lsa_policy_hnd(POLICY_HND *hnd)
{
int pnum = find_lsa_policy_by_hnd(hnd);
if (OPEN_POL(pnum))
{
DEBUG(3,("%s Closed policy name pnum=%x\n", timestring(), pnum));
Policy[pnum].open = False;
return True;
}
else
{
DEBUG(3,("%s Error closing policy pnum=%x\n", timestring(), pnum));
return False;
}
}
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