source: branches/samba-3.2.x/source/lib/util_sid.c@ 233

/* 
   Unix SMB/CIFS implementation.
   Samba utility functions
   Copyright (C) Andrew Tridgell                1992-1998
   Copyright (C) Luke Kenneth Caseson Leighton  1998-1999
   Copyright (C) Jeremy Allison                 1999
   Copyright (C) Stefan (metze) Metzmacher      2002
   Copyright (C) Simo Sorce                     2002
   Copyright (C) Jim McDonough <[email protected]> 2005
      
   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 3 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, see <http://www.gnu.org/licenses/>.
*/

#include "includes.h"

/*
 * Some useful sids, more well known sids can be found at
 * http://support.microsoft.com/kb/243330/EN-US/
 */


const DOM_SID global_sid_World_Domain =               /* Everyone domain */
{ 1, 0, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_World =                      /* Everyone */
{ 1, 1, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Creator_Owner_Domain =       /* Creator Owner domain */
{ 1, 0, {0,0,0,0,0,3}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_NT_Authority =                 /* NT Authority */
{ 1, 0, {0,0,0,0,0,5}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_System =                       /* System */
{ 1, 1, {0,0,0,0,0,5}, {18,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_NULL =                         /* NULL sid */
{ 1, 1, {0,0,0,0,0,0}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Authenticated_Users =  /* All authenticated rids */
{ 1, 1, {0,0,0,0,0,5}, {11,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
#if 0
/* for documentation */
const DOM_SID global_sid_Restriced =                    /* Restriced Code */
{ 1, 1, {0,0,0,0,0,5}, {12,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
#endif
const DOM_SID global_sid_Network =                      /* Network rids */
{ 1, 1, {0,0,0,0,0,5}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};

const DOM_SID global_sid_Creator_Owner =                /* Creator Owner */
{ 1, 1, {0,0,0,0,0,3}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Creator_Group =                /* Creator Group */
{ 1, 1, {0,0,0,0,0,3}, {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Anonymous =                    /* Anonymous login */
{ 1, 1, {0,0,0,0,0,5}, {7,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};

const DOM_SID global_sid_Builtin =                      /* Local well-known domain */
{ 1, 1, {0,0,0,0,0,5}, {32,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Administrators =       /* Builtin administrators */
{ 1, 2, {0,0,0,0,0,5}, {32,544,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Users =                /* Builtin users */
{ 1, 2, {0,0,0,0,0,5}, {32,545,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Guests =               /* Builtin guest users */
{ 1, 2, {0,0,0,0,0,5}, {32,546,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Power_Users =  /* Builtin power users */
{ 1, 2, {0,0,0,0,0,5}, {32,547,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Account_Operators =    /* Builtin account operators */
{ 1, 2, {0,0,0,0,0,5}, {32,548,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Server_Operators =     /* Builtin server operators */
{ 1, 2, {0,0,0,0,0,5}, {32,549,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Print_Operators =      /* Builtin print operators */
{ 1, 2, {0,0,0,0,0,5}, {32,550,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Backup_Operators =     /* Builtin backup operators */
{ 1, 2, {0,0,0,0,0,5}, {32,551,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_Replicator =           /* Builtin replicator */
{ 1, 2, {0,0,0,0,0,5}, {32,552,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Builtin_PreWin2kAccess =       /* Builtin pre win2k access */
{ 1, 2, {0,0,0,0,0,5}, {32,554,0,0,0,0,0,0,0,0,0,0,0,0,0}};

const DOM_SID global_sid_Unix_Users =                   /* Unmapped Unix users */
{ 1, 1, {0,0,0,0,0,22}, {1,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};
const DOM_SID global_sid_Unix_Groups =                  /* Unmapped Unix groups */
{ 1, 1, {0,0,0,0,0,22}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}};

/* Unused, left here for documentary purposes */
#if 0
#define SECURITY_NULL_SID_AUTHORITY    0
#define SECURITY_WORLD_SID_AUTHORITY   1
#define SECURITY_LOCAL_SID_AUTHORITY   2
#define SECURITY_CREATOR_SID_AUTHORITY 3
#define SECURITY_NT_AUTHORITY          5
#endif

/*
 * An NT compatible anonymous token.
 */

static DOM_SID anon_sid_array[3] =
{ { 1, 1, {0,0,0,0,0,1}, {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0}},
  { 1, 1, {0,0,0,0,0,5}, {2,0,0,0,0,0,0,0,0,0,0,0,0,0,0}},
  { 1, 1, {0,0,0,0,0,5}, {7,0,0,0,0,0,0,0,0,0,0,0,0,0,0}} };
NT_USER_TOKEN anonymous_token = { 3, anon_sid_array, SE_NONE };

static DOM_SID system_sid_array[1] =
{ { 1, 1, {0,0,0,0,0,5}, {18,0,0,0,0,0,0,0,0,0,0,0,0,0,0}} };
NT_USER_TOKEN system_token = { 1, system_sid_array, SE_ALL_PRIVS };

/****************************************************************************
 Lookup string names for SID types.
****************************************************************************/

static const struct {
        enum lsa_SidType sid_type;
        const char *string;
} sid_name_type[] = {
        {SID_NAME_USER, "User"},
        {SID_NAME_DOM_GRP, "Domain Group"},
        {SID_NAME_DOMAIN, "Domain"},
        {SID_NAME_ALIAS, "Local Group"},
        {SID_NAME_WKN_GRP, "Well-known Group"},
        {SID_NAME_DELETED, "Deleted Account"},
        {SID_NAME_INVALID, "Invalid Account"},
        {SID_NAME_UNKNOWN, "UNKNOWN"},
        {SID_NAME_COMPUTER, "Computer"},

        {(enum lsa_SidType)0, NULL}
};

const char *sid_type_lookup(uint32 sid_type) 
{
        int i = 0;

        /* Look through list */
        while(sid_name_type[i].sid_type != 0) {
                if (sid_name_type[i].sid_type == sid_type)
                        return sid_name_type[i].string;
                i++;
        }

        /* Default return */
        return "SID *TYPE* is INVALID";
}

/**************************************************************************
 Create the SYSTEM token.
***************************************************************************/

NT_USER_TOKEN *get_system_token(void) 
{
        return &system_token;
}

/******************************************************************
 get the default domain/netbios name to be used when dealing 
 with our passdb list of accounts
******************************************************************/

const char *get_global_sam_name(void) 
{
        if ((lp_server_role() == ROLE_DOMAIN_PDC) || (lp_server_role() == ROLE_DOMAIN_BDC)) {
                return lp_workgroup();
        }
        return global_myname();
}

/*****************************************************************
 Convert a SID to an ascii string.
*****************************************************************/

char *sid_to_fstring(fstring sidstr_out, const DOM_SID *sid)
{
        char *str = sid_string_talloc(talloc_tos(), sid);
        fstrcpy(sidstr_out, str);
        TALLOC_FREE(str);
        return sidstr_out;
}

/*****************************************************************
 Essentially a renamed dom_sid_string from librpc/ndr with a
 panic if it didn't work

 This introduces a dependency on librpc/ndr/sid.o which can easily
 be turned around if necessary
*****************************************************************/

char *sid_string_talloc(TALLOC_CTX *mem_ctx, const DOM_SID *sid)
{
        char *result = dom_sid_string(mem_ctx, sid);
        SMB_ASSERT(result != NULL);
        return result;
}

/*****************************************************************
 Useful function for debug lines.
*****************************************************************/

char *sid_string_dbg(const DOM_SID *sid)
{
        return sid_string_talloc(debug_ctx(), sid);
}

/*****************************************************************
 Use with care!
*****************************************************************/

char *sid_string_tos(const DOM_SID *sid)
{
        return sid_string_talloc(talloc_tos(), sid);
}

/*****************************************************************
 Convert a string to a SID. Returns True on success, False on fail.