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/*
* Unix SMB/CIFS implementation.
* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-1998
* Copyright (C) Luke Kenneth Casson Leighton 1996-1998,
* Copyright (C) Paul Ashton 1997-1998,
* Copyright (C) Andrew Bartlett 2004.
*
* 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 module apparently provides an implementation of DCE/RPC over a
* named pipe (IPC$ connection using SMBtrans). details of DCE/RPC
* documentation are available (in on-line form) from the X-Open group.
*
* this module should provide a level of abstraction between SMB
* and DCE/RPC, while minimising the amount of mallocs, unnecessary
* data copies, and network traffic.
*
* in this version, which takes a "let's learn what's going on and
* get something running" approach, there is additional network
* traffic generated, but the code should be easier to understand...
*
* ... if you read the docs. or stare at packets for weeks on end.
*
*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV
/*
* A list of the rids of well known BUILTIN and Domain users
* and groups.
*/
static const rid_name builtin_alias_rids[] =
{
{ BUILTIN_ALIAS_RID_ADMINS , "Administrators" },
{ BUILTIN_ALIAS_RID_USERS , "Users" },
{ BUILTIN_ALIAS_RID_GUESTS , "Guests" },
{ BUILTIN_ALIAS_RID_POWER_USERS , "Power Users" },
{ BUILTIN_ALIAS_RID_ACCOUNT_OPS , "Account Operators" },
{ BUILTIN_ALIAS_RID_SYSTEM_OPS , "System Operators" },
{ BUILTIN_ALIAS_RID_PRINT_OPS , "Print Operators" },
{ BUILTIN_ALIAS_RID_BACKUP_OPS , "Backup Operators" },
{ BUILTIN_ALIAS_RID_REPLICATOR , "Replicator" },
{ 0 , NULL }
};
/* array lookup of well-known Domain RID users. */
static const rid_name domain_user_rids[] =
{
{ DOMAIN_USER_RID_ADMIN , "Administrator" },
{ DOMAIN_USER_RID_GUEST , "Guest" },
{ 0 , NULL }
};
/* array lookup of well-known Domain RID groups. */
static const rid_name domain_group_rids[] =
{
{ DOMAIN_GROUP_RID_ADMINS , "Domain Admins" },
{ DOMAIN_GROUP_RID_USERS , "Domain Users" },
{ DOMAIN_GROUP_RID_GUESTS , "Domain Guests" },
{ 0 , NULL }
};
/*******************************************************************
gets a domain user's groups
********************************************************************/
BOOL get_domain_user_groups(TALLOC_CTX *ctx, int *numgroups, DOM_GID **pgids, SAM_ACCOUNT *sam_pass)
{
const char *username = pdb_get_username(sam_pass);
int n_unix_groups;
int i,j;
gid_t *unix_groups;
*numgroups = 0;
*pgids = NULL;
if (!getgroups_user(username, &unix_groups, &n_unix_groups)) {
return False;
}
/* now setup the space for storing the SIDS */
if (n_unix_groups > 0) {
*pgids = talloc(ctx, sizeof(DOM_GID) * n_unix_groups);
if (!*pgids) {
DEBUG(0, ("get_user_group: malloc() failed for DOM_GID list!\n"));
SAFE_FREE(unix_groups);
return False;
}
}
become_root();
j = 0;
for (i = 0; i < n_unix_groups; i++) {
GROUP_MAP map;
uint32 rid;
if (!pdb_getgrgid(&map, unix_groups[i])) {
DEBUG(3, ("get_user_groups: failed to convert gid %ld to a domain group!\n",
(long int)unix_groups[i+1]));
if (i == 0) {
DEBUG(1,("get_domain_user_groups: primary gid of user [%s] is not a Domain group !\n", username));
DEBUGADD(1,("get_domain_user_groups: You should fix it, NT doesn't like that\n"));
}
} else if ((map.sid_name_use == SID_NAME_DOM_GRP)
&& sid_peek_check_rid(get_global_sam_sid(), &map.sid, &rid)) {
(*pgids)[j].attr=7;
(*pgids)[j].g_rid=rid;
j++;
}
}
unbecome_root();
*numgroups = j;
SAFE_FREE(unix_groups);
return True;
}
/*******************************************************************
gets a domain user's groups from their already-calculated NT_USER_TOKEN
********************************************************************/
NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx, const DOM_SID *domain_sid,
const NT_USER_TOKEN *nt_token,
int *numgroups, DOM_GID **pgids)
{
DOM_GID *gids;
int i;
gids = (DOM_GID *)talloc(mem_ctx, sizeof(*gids) * nt_token->num_sids);
if (!gids) {
return NT_STATUS_NO_MEMORY;
}
*numgroups=0;
for (i=PRIMARY_GROUP_SID_INDEX; i < nt_token->num_sids; i++) {
if (sid_compare_domain(domain_sid, &nt_token->user_sids[i])==0) {
sid_peek_rid(&nt_token->user_sids[i], &(gids[*numgroups].g_rid));
gids[*numgroups].attr=7;
(*numgroups)++;
}
}
*pgids = gids;
return NT_STATUS_OK;
}
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