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/*
Unix SMB/Netbios implementation.
Winbind ADS backend functions
Copyright (C) Andrew Tridgell 2001
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 "winbindd.h"
#ifdef HAVE_ADS
/* Query display info for a realm. This is the basic user list fn */
static NTSTATUS query_user_list(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *start_ndx, uint32 *num_entries,
WINBIND_USERINFO **info)
{
ADS_STRUCT *ads;
const char *attrs[] = {"sAMAccountName", "name", "objectSid", "primaryGroupID",
"userAccountControl", NULL};
int rc, i, count;
void *res;
void *msg;
DEBUG(3,("ads: query_user_list\n"));
if ((*start_ndx) != 0) {
DEBUG(1,("ads backend start_ndx not implemented\n"));
return NT_STATUS_NOT_IMPLEMENTED;
}
ads = ads_init(NULL, NULL, NULL);
if (!ads) {
DEBUG(1,("ads_init failed\n"));
return NT_STATUS_UNSUCCESSFUL;
}
rc = ads_connect(ads);
if (rc) {
DEBUG(1,("query_user_list ads_connect: %s\n", ads_errstr(rc)));
return NT_STATUS_UNSUCCESSFUL;
}
rc = ads_search(ads, &res, "(objectclass=user)", attrs);
if (rc) {
DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
return NT_STATUS_UNSUCCESSFUL;
}
count = ads_count_replies(ads, res);
if (count == 0) {
DEBUG(1,("query_user_list: No users found\n"));
return NT_STATUS_UNSUCCESSFUL;
}
(*info) = talloc(mem_ctx, count * sizeof(**info));
if (!*info) return NT_STATUS_NO_MEMORY;
i = 0;
for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
char *name, *gecos;
DOM_SID sid;
uint32 rid, group;
uint32 account_control;
if (!ads_pull_uint32(ads, msg, "userAccountControl",
&account_control) ||
!(account_control & UF_NORMAL_ACCOUNT)) continue;
name = ads_pull_string(ads, mem_ctx, msg, "sAMAccountName");
gecos = ads_pull_string(ads, mem_ctx, msg, "name");
if (!ads_pull_sid(ads, msg, "objectSid", &sid)) {
DEBUG(1,("No sid for %s !?\n", name));
continue;
}
if (!ads_pull_uint32(ads, msg, "primaryGroupID", &group)) {
DEBUG(1,("No primary group for %s !?\n", name));
continue;
}
if (!sid_peek_rid(&sid, &rid)) {
DEBUG(1,("No rid for %s !?\n", name));
continue;
}
(*info)[i].acct_name = name;
(*info)[i].full_name = gecos;
(*info)[i].user_rid = rid;
(*info)[i].group_rid = group;
i++;
}
(*num_entries) = i;
ads_destroy(&ads);
return NT_STATUS_OK;
}
/* list all domain groups */
static NTSTATUS enum_dom_groups(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
uint32 *start_ndx, uint32 *num_entries,
struct acct_info **info)
{
ADS_STRUCT *ads;
const char *attrs[] = {"sAMAccountName", "name", "objectSid",
"sAMAccountType", NULL};
int rc, i, count;
void *res;
void *msg;
DEBUG(3,("ads: enum_dom_groups\n"));
if ((*start_ndx) != 0) {
DEBUG(1,("ads backend start_ndx not implemented\n"));
return NT_STATUS_NOT_IMPLEMENTED;
}
ads = ads_init(NULL, NULL, NULL);
if (!ads) {
DEBUG(1,("ads_init failed\n"));
return NT_STATUS_UNSUCCESSFUL;
}
rc = ads_connect(ads);
if (rc) {
DEBUG(1,("query_user_list ads_connect: %s\n", ads_errstr(rc)));
return NT_STATUS_UNSUCCESSFUL;
}
rc = ads_search(ads, &res, "(objectclass=group)", attrs);
if (rc) {
DEBUG(1,("query_user_list ads_search: %s\n", ads_errstr(rc)));
return NT_STATUS_UNSUCCESSFUL;
}
count = ads_count_replies(ads, res);
if (count == 0) {
DEBUG(1,("query_user_list: No users found\n"));
return NT_STATUS_UNSUCCESSFUL;
}
(*info) = talloc(mem_ctx, count * sizeof(**info));
if (!*info) return NT_STATUS_NO_MEMORY;
i = 0;
for (msg = ads_first_entry(ads, res); msg; msg = ads_next_entry(ads, msg)) {
char *name, *gecos;
DOM_SID sid;
uint32 rid;
uint32 account_type;
if (!ads_pull_uint32(ads, msg, "sAMAccountType",
&account_type) ||
!(account_type & ATYPE_GROUP)) continue;
name = ads_pull_string(ads, mem_ctx, msg, "sAMAccountName");
gecos = ads_pull_string(ads, mem_ctx, msg, "name");
if (!ads_pull_sid(ads, msg, "objectSid", &sid)) {
DEBUG(1,("No sid for %s !?\n", name));
continue;
}
if (!sid_peek_rid(&sid, &rid)) {
DEBUG(1,("No rid for %s !?\n", name));
continue;
}
fstrcpy((*info)[i].acct_name, name);
fstrcpy((*info)[i].acct_desc, gecos);
(*info)[i].rid = rid;
i++;
}
(*num_entries) = i;
ads_destroy(&ads);
return NT_STATUS_OK;
}
/* convert a single name to a sid in a domain */
static NTSTATUS name_to_sid(struct winbindd_domain *domain,
const char *name,
DOM_SID *sid,
enum SID_NAME_USE *type)
{
ADS_STRUCT *ads;
const char *attrs[] = {"objectSid", "sAMAccountType", NULL};
int rc, count;
void *res;
char *exp;
uint32 t;
fstring name2, dom2;
/* sigh. Need to fix interface to give us a raw name */
parse_domain_user(name, dom2, name2);
DEBUG(3,("ads: name_to_sid\n"));
ads = ads_init(NULL, NULL, NULL);
if (!ads) {
DEBUG(1,("ads_init failed\n"));
return NT_STATUS_UNSUCCESSFUL;
}
rc = ads_connect(ads);
if (rc) {
DEBUG(1,("name_to_sid ads_connect: %s\n", ads_errstr(rc)));
return NT_STATUS_UNSUCCESSFUL;
}
asprintf(&exp, "(sAMAccountName=%s)", name2);
rc = ads_search(ads, &res, exp, attrs);
free(exp);
if (rc) {
DEBUG(1,("name_to_sid ads_search: %s\n", ads_errstr(rc)));
return NT_STATUS_UNSUCCESSFUL;
}
count = ads_count_replies(ads, res);
if (count != 1) {
DEBUG(1,("name_to_sid: %s not found\n", name));
return NT_STATUS_UNSUCCESSFUL;
}
if (!ads_pull_sid(ads, res, "objectSid", sid)) {
DEBUG(1,("No sid for %s !?\n", name));
return NT_STATUS_UNSUCCESSFUL;
}
if (!ads_pull_uint32(ads, res, "sAMAccountType", &t)) {
DEBUG(1,("No sAMAccountType for %s !?\n", name));
return NT_STATUS_UNSUCCESSFUL;
}
switch (t & 0xF0000000) {
case ATYPE_GROUP:
*type = SID_NAME_DOM_GRP;
break;
case ATYPE_USER:
*type = SID_NAME_USER;
break;
default:
DEBUG(1,("hmm, need to map account type 0x%x\n", t));
*type = SID_NAME_UNKNOWN;
break;
}
ads_destroy(&ads);
return NT_STATUS_OK;
}
/* Lookup user information from a rid or username. */
static NTSTATUS query_user(struct winbindd_domain *domain,
TALLOC_CTX *mem_ctx,
const char *user_name, uint32 user_rid,
WINBIND_USERINFO *info)
{
ADS_STRUCT *ads;
const char *attrs[] = {"sAMAccountName", "name", "objectSid", "primaryGroupID",
"userAccountControl", NULL};
int rc, count;
void *msg;
char *exp;
DOM_SID sid;
fstring dom2, name2;
/* sigh. Need to fix interface to give us a raw name */
parse_domain_user(user_name, dom2, name2);
DEBUG(3,("ads: query_user\n"));
ads = ads_init(NULL, NULL, NULL);
if (!ads) {
DEBUG(1,("ads_init failed\n"));
return NT_STATUS_UNSUCCESSFUL;
}
rc = ads_connect(ads);
if (rc) {
DEBUG(1,("query_user ads_connect: %s\n", ads_errstr(rc)));
return NT_STATUS_UNSUCCESSFUL;
}
asprintf(&exp, "(sAMAccountName=%s)", name2);
rc = ads_search(ads, &msg, exp, attrs);
free(exp);
if (rc) {
DEBUG(1,("query_user(%s) ads_search: %s\n", user_name, ads_errstr(rc)));
return NT_STATUS_UNSUCCESSFUL;
}
count = ads_count_replies(ads, msg);
if (count != 1) {
DEBUG(1,("query_user(%s): Not found\n", user_name));
return NT_STATUS_UNSUCCESSFUL;
}
info->acct_name = ads_pull_string(ads, mem_ctx, msg, "sAMAccountName");
info->full_name = ads_pull_string(ads, mem_ctx, msg, "name");
if (!ads_pull_sid(ads, msg, "objectSid", &sid)) {
DEBUG(1,("No sid for %s !?\n", user_name));
goto error;
}
if (!ads_pull_uint32(ads, msg, "primaryGroupID", &info->group_rid)) {
DEBUG(1,("No primary group for %s !?\n", user_name));
goto error;
}
if (!sid_peek_rid(&sid, &info->user_rid)) {
DEBUG(1,("No rid for %s !?\n", user_name));
goto error;
}
ads_destroy(&ads);
return NT_STATUS_OK;
error:
ads_destroy(&ads);
return NT_STATUS_UNSUCCESSFUL;
}
/* the ADS backend methods are exposed via this structure */
struct winbindd_methods ads_methods = {
query_user_list,
enum_dom_groups,
name_to_sid,
/* I can't see a good way to do a sid to name mapping with ldap,
and MS servers always allow RPC for this (even in native mode) so
just use RPC for sid_to_name. Maybe that's why they allow it? */
winbindd_rpc_sid_to_name,
query_user
};
#endif
|
