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samba-mirror/source3/passdb/pdb_ldap.c
Günther Deschner 8384b33e0d r3628: A typo and a compile-warning. 
Guenther
(This used to be commit 906d5f88aa)
2007-10-10 10:53:10 -05:00

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/*
Unix SMB/CIFS mplementation.
LDAP protocol helper functions for SAMBA
Copyright (C) Jean François Micouleau 1998
Copyright (C) Gerald Carter 2001-2003
Copyright (C) Shahms King 2001
Copyright (C) Andrew Bartlett 2002-2003
Copyright (C) Stefan (metze) Metzmacher 2002-2003
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.
*/
/* TODO:
* persistent connections: if using NSS LDAP, many connections are made
* however, using only one within Samba would be nice
*
* Clean up SSL stuff, compile on OpenLDAP 1.x, 2.x, and Netscape SDK
*
* Other LDAP based login attributes: accountExpires, etc.
* (should be the domain of Samba proper, but the sam_password/SAM_ACCOUNT
* structures don't have fields for some of these attributes)
*
* SSL is done, but can't get the certificate based authentication to work
* against on my test platform (Linux 2.4, OpenLDAP 2.x)
*/
/* NOTE: this will NOT work against an Active Directory server
* due to the fact that the two password fields cannot be retrieved
* from a server; recommend using security = domain in this situation
* and/or winbind
*/
#include "includes.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_PASSDB
#include <lber.h>
#include <ldap.h>
/*
* Work around versions of the LDAP client libs that don't have the OIDs
* defined, or have them defined under the old name.
* This functionality is really a factor of the server, not the client
*
*/
#if defined(LDAP_EXOP_X_MODIFY_PASSWD) && !defined(LDAP_EXOP_MODIFY_PASSWD)
#define LDAP_EXOP_MODIFY_PASSWD LDAP_EXOP_X_MODIFY_PASSWD
#elif !defined(LDAP_EXOP_MODIFY_PASSWD)
#define LDAP_EXOP_MODIFY_PASSWD "1.3.6.1.4.1.4203.1.11.1"
#endif
#if defined(LDAP_EXOP_X_MODIFY_PASSWD_ID) && !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
#define LDAP_TAG_EXOP_MODIFY_PASSWD_ID LDAP_EXOP_X_MODIFY_PASSWD_ID
#elif !defined(LDAP_EXOP_MODIFY_PASSWD_ID)
#define LDAP_TAG_EXOP_MODIFY_PASSWD_ID ((ber_tag_t) 0x80U)
#endif
#if defined(LDAP_EXOP_X_MODIFY_PASSWD_NEW) && !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
#define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW LDAP_EXOP_X_MODIFY_PASSWD_NEW
#elif !defined(LDAP_EXOP_MODIFY_PASSWD_NEW)
#define LDAP_TAG_EXOP_MODIFY_PASSWD_NEW ((ber_tag_t) 0x82U)
#endif
#ifndef SAM_ACCOUNT
#define SAM_ACCOUNT struct sam_passwd
#endif
#include "smbldap.h"
struct ldapsam_privates {
struct smbldap_state *smbldap_state;
/* Former statics */
LDAPMessage *result;
LDAPMessage *entry;
int index;
const char *domain_name;
DOM_SID domain_sid;
/* configuration items */
int schema_ver;
};
/**********************************************************************
Free a LDAPMessage (one is stored on the SAM_ACCOUNT).
**********************************************************************/
static void private_data_free_fn(void **result)
{
ldap_msgfree(*result);
*result = NULL;
}
/**********************************************************************
Get the attribute name given a user schame version.
**********************************************************************/
static const char* get_userattr_key2string( int schema_ver, int key )
{
switch ( schema_ver ) {
case SCHEMAVER_SAMBAACCOUNT:
return get_attr_key2string( attrib_map_v22, key );
case SCHEMAVER_SAMBASAMACCOUNT:
return get_attr_key2string( attrib_map_v30, key );
default:
DEBUG(0,("get_userattr_key2string: unknown schema version specified\n"));
break;
}
return NULL;
}
/**********************************************************************
Return the list of attribute names given a user schema version.
**********************************************************************/
static char** get_userattr_list( int schema_ver )
{
switch ( schema_ver ) {
case SCHEMAVER_SAMBAACCOUNT:
return get_attr_list( attrib_map_v22 );
case SCHEMAVER_SAMBASAMACCOUNT:
return get_attr_list( attrib_map_v30 );
default:
DEBUG(0,("get_userattr_list: unknown schema version specified!\n"));
break;
}
return NULL;
}
/**************************************************************************
Return the list of attribute names to delete given a user schema version.
**************************************************************************/
static char** get_userattr_delete_list( int schema_ver )
{
switch ( schema_ver ) {
case SCHEMAVER_SAMBAACCOUNT:
return get_attr_list( attrib_map_to_delete_v22 );
case SCHEMAVER_SAMBASAMACCOUNT:
return get_attr_list( attrib_map_to_delete_v30 );
default:
DEBUG(0,("get_userattr_delete_list: unknown schema version specified!\n"));
break;
}
return NULL;
}
/*******************************************************************
Generate the LDAP search filter for the objectclass based on the
version of the schema we are using.
******************************************************************/
static const char* get_objclass_filter( int schema_ver )
{
static fstring objclass_filter;
switch( schema_ver ) {
case SCHEMAVER_SAMBAACCOUNT:
fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBAACCOUNT );
break;
case SCHEMAVER_SAMBASAMACCOUNT:
fstr_sprintf( objclass_filter, "(objectclass=%s)", LDAP_OBJ_SAMBASAMACCOUNT );
break;
default:
DEBUG(0,("get_objclass_filter: Invalid schema version specified!\n"));
break;
}
return objclass_filter;
}
/*******************************************************************
Run the search by name.
******************************************************************/
static int ldapsam_search_suffix_by_name (struct ldapsam_privates *ldap_state,
const char *user,
LDAPMessage ** result, char **attr)
{
pstring filter;
char *escape_user = escape_ldap_string_alloc(user);
if (!escape_user) {
return LDAP_NO_MEMORY;
}
/*
* in the filter expression, replace %u with the real name
* so in ldap filter, %u MUST exist :-)
*/
pstr_sprintf(filter, "(&%s%s)", lp_ldap_filter(),
get_objclass_filter(ldap_state->schema_ver));
/*
* have to use this here because $ is filtered out
* in pstring_sub
*/
all_string_sub(filter, "%u", escape_user, sizeof(pstring));
SAFE_FREE(escape_user);
return smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
}
/*******************************************************************
Run the search by rid.
******************************************************************/
static int ldapsam_search_suffix_by_rid (struct ldapsam_privates *ldap_state,
uint32 rid, LDAPMessage ** result,
char **attr)
{
pstring filter;
int rc;
pstr_sprintf(filter, "(&(rid=%i)%s)", rid,
get_objclass_filter(ldap_state->schema_ver));
rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
return rc;
}
/*******************************************************************
Run the search by SID.
******************************************************************/
static int ldapsam_search_suffix_by_sid (struct ldapsam_privates *ldap_state,
const DOM_SID *sid, LDAPMessage ** result,
char **attr)
{
pstring filter;
int rc;
fstring sid_string;
pstr_sprintf(filter, "(&(%s=%s)%s)",
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
sid_to_string(sid_string, sid),
get_objclass_filter(ldap_state->schema_ver));
rc = smbldap_search_suffix(ldap_state->smbldap_state, filter, attr, result);
return rc;
}
/*******************************************************************
Delete complete object or objectclass and attrs from
object found in search_result depending on lp_ldap_delete_dn
******************************************************************/
static NTSTATUS ldapsam_delete_entry(struct ldapsam_privates *ldap_state,
LDAPMessage *result,
const char *objectclass,
char **attrs)
{
int rc;
LDAPMessage *entry = NULL;
LDAPMod **mods = NULL;
char *name, *dn;
BerElement *ptr = NULL;
rc = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
if (rc != 1) {
DEBUG(0, ("ldapsam_delete_entry: Entry must exist exactly once!\n"));
return NT_STATUS_UNSUCCESSFUL;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
if (!dn) {
return NT_STATUS_UNSUCCESSFUL;
}
if (lp_ldap_delete_dn()) {
NTSTATUS ret = NT_STATUS_OK;
rc = smbldap_delete(ldap_state->smbldap_state, dn);
if (rc != LDAP_SUCCESS) {
DEBUG(0, ("ldapsam_delete_entry: Could not delete object %s\n", dn));
ret = NT_STATUS_UNSUCCESSFUL;
}
SAFE_FREE(dn);
return ret;
}
/* Ok, delete only the SAM attributes */
for (name = ldap_first_attribute(ldap_state->smbldap_state->ldap_struct, entry, &ptr);
name != NULL;
name = ldap_next_attribute(ldap_state->smbldap_state->ldap_struct, entry, ptr)) {
char **attrib;
/* We are only allowed to delete the attributes that
really exist. */
for (attrib = attrs; *attrib != NULL; attrib++) {
/* Don't delete LDAP_ATTR_MOD_TIMESTAMP attribute. */
if (strequal(*attrib, get_userattr_key2string(ldap_state->schema_ver,
LDAP_ATTR_MOD_TIMESTAMP))) {
continue;
}
if (strequal(*attrib, name)) {
DEBUG(10, ("ldapsam_delete_entry: deleting "
"attribute %s\n", name));
smbldap_set_mod(&mods, LDAP_MOD_DELETE, name,
NULL);
}
}
ldap_memfree(name);
}
if (ptr != NULL) {
ber_free(ptr, 0);
}
smbldap_set_mod(&mods, LDAP_MOD_DELETE, "objectClass", objectclass);
rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
ldap_mods_free(mods, True);
if (rc != LDAP_SUCCESS) {
char *ld_error = NULL;
ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(0, ("ldapsam_delete_entry: Could not delete attributes for %s, error: %s (%s)\n",
dn, ldap_err2string(rc), ld_error?ld_error:"unknown"));
SAFE_FREE(ld_error);
SAFE_FREE(dn);
return NT_STATUS_UNSUCCESSFUL;
}
SAFE_FREE(dn);
return NT_STATUS_OK;
}
/* New Interface is being implemented here */
#if 0 /* JERRY - not uesed anymore */
/**********************************************************************
Initialize SAM_ACCOUNT from an LDAP query (unix attributes only)
*********************************************************************/
static BOOL get_unix_attributes (struct ldapsam_privates *ldap_state,
SAM_ACCOUNT * sampass,
LDAPMessage * entry,
gid_t *gid)
{
pstring homedir;
pstring temp;
char **ldap_values;
char **values;
if ((ldap_values = ldap_get_values (ldap_state->smbldap_state->ldap_struct, entry, "objectClass")) == NULL) {
DEBUG (1, ("get_unix_attributes: no objectClass! \n"));
return False;
}
for (values=ldap_values;*values;values++) {
if (strequal(*values, LDAP_OBJ_POSIXACCOUNT )) {
break;
}
}
if (!*values) { /*end of array, no posixAccount */
DEBUG(10, ("user does not have %s attributes\n", LDAP_OBJ_POSIXACCOUNT));
ldap_value_free(ldap_values);
return False;
}
ldap_value_free(ldap_values);
if ( !smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_UNIX_HOME), homedir) )
{
return False;
}
if ( !smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_GIDNUMBER), temp) )
{
return False;
}
*gid = (gid_t)atol(temp);
pdb_set_unix_homedir(sampass, homedir, PDB_SET);
DEBUG(10, ("user has %s attributes\n", LDAP_OBJ_POSIXACCOUNT));
return True;
}
#endif
static time_t ldapsam_get_entry_timestamp(
struct ldapsam_privates *ldap_state,
LDAPMessage * entry)
{
pstring temp;
struct tm tm;
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP),
temp))
return (time_t) 0;
strptime(temp, "%Y%m%d%H%M%SZ", &tm);
tzset();
return timegm(&tm);
}
/**********************************************************************
Initialize SAM_ACCOUNT from an LDAP query.
(Based on init_sam_from_buffer in pdb_tdb.c)
*********************************************************************/
static BOOL init_sam_from_ldap (struct ldapsam_privates *ldap_state,
SAM_ACCOUNT * sampass,
LDAPMessage * entry)
{
time_t logon_time,
logoff_time,
kickoff_time,
pass_last_set_time,
pass_can_change_time,
pass_must_change_time,
ldap_entry_time,
bad_password_time;
pstring username,
domain,
nt_username,
fullname,
homedir,
dir_drive,
logon_script,
profile_path,
acct_desc,
workstations;
char munged_dial[2048];
uint32 user_rid;
uint8 smblmpwd[LM_HASH_LEN],
smbntpwd[NT_HASH_LEN];
uint16 acct_ctrl = 0,
logon_divs;
uint16 bad_password_count = 0,
logon_count = 0;
uint32 hours_len;
uint8 hours[MAX_HOURS_LEN];
pstring temp;
LOGIN_CACHE *cache_entry = NULL;
int pwHistLen;
/*
* do a little initialization
*/
username[0] = '\0';
domain[0] = '\0';
nt_username[0] = '\0';
fullname[0] = '\0';
homedir[0] = '\0';
dir_drive[0] = '\0';
logon_script[0] = '\0';
profile_path[0] = '\0';
acct_desc[0] = '\0';
munged_dial[0] = '\0';
workstations[0] = '\0';
if (sampass == NULL || ldap_state == NULL || entry == NULL) {
DEBUG(0, ("init_sam_from_ldap: NULL parameters found!\n"));
return False;
}
if (ldap_state->smbldap_state->ldap_struct == NULL) {
DEBUG(0, ("init_sam_from_ldap: ldap_state->smbldap_state->ldap_struct is NULL!\n"));
return False;
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry, "uid", username)) {
DEBUG(1, ("init_sam_from_ldap: No uid attribute found for this user!\n"));
return False;
}
DEBUG(2, ("init_sam_from_ldap: Entry found for user: %s\n", username));
pstrcpy(nt_username, username);
pstrcpy(domain, ldap_state->domain_name);
pdb_set_username(sampass, username, PDB_SET);
pdb_set_domain(sampass, domain, PDB_DEFAULT);
pdb_set_nt_username(sampass, nt_username, PDB_SET);
/* deal with different attributes between the schema first */
if ( ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT ) {
if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID), temp)) {
pdb_set_user_sid_from_string(sampass, temp, PDB_SET);
}
if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_SID), temp)) {
pdb_set_group_sid_from_string(sampass, temp, PDB_SET);
} else {
pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
}
} else {
if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID), temp)) {
user_rid = (uint32)atol(temp);
pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PRIMARY_GROUP_RID), temp)) {
pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
} else {
uint32 group_rid;
group_rid = (uint32)atol(temp);
/* for some reason, we often have 0 as a primary group RID.
Make sure that we treat this just as a 'default' value */
if ( group_rid > 0 )
pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET);
else
pdb_set_group_sid_from_rid(sampass, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT);
}
}
if (pdb_get_init_flags(sampass,PDB_USERSID) == PDB_DEFAULT) {
DEBUG(1, ("init_sam_from_ldap: no %s or %s attribute found for this user %s\n",
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
username));
return False;
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET), temp)) {
/* leave as default */
} else {
pass_last_set_time = (time_t) atol(temp);
pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp)) {
/* leave as default */
} else {
logon_time = (time_t) atol(temp);
pdb_set_logon_time(sampass, logon_time, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp)) {
/* leave as default */
} else {
logoff_time = (time_t) atol(temp);
pdb_set_logoff_time(sampass, logoff_time, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp)) {
/* leave as default */
} else {
kickoff_time = (time_t) atol(temp);
pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp)) {
/* leave as default */
} else {
pass_can_change_time = (time_t) atol(temp);
pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp)) {
/* leave as default */
} else {
pass_must_change_time = (time_t) atol(temp);
pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET);
}
/* recommend that 'gecos' and 'displayName' should refer to the same
* attribute OID. userFullName depreciated, only used by Samba
* primary rules of LDAP: don't make a new attribute when one is already defined
* that fits your needs; using cn then displayName rather than 'userFullName'
*/
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME), fullname)) {
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_CN), fullname)) {
/* leave as default */
} else {
pdb_set_fullname(sampass, fullname, PDB_SET);
}
} else {
pdb_set_fullname(sampass, fullname, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE), dir_drive))
{
pdb_set_dir_drive( sampass,
talloc_sub_basic(sampass->mem_ctx, username, lp_logon_drive()),
PDB_DEFAULT );
} else {
pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH), homedir))
{
pdb_set_homedir( sampass,
talloc_sub_basic(sampass->mem_ctx, username, lp_logon_home()),
PDB_DEFAULT );
} else {
pdb_set_homedir(sampass, homedir, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT), logon_script))
{
pdb_set_logon_script( sampass,
talloc_sub_basic(sampass->mem_ctx, username, lp_logon_script()),
PDB_DEFAULT );
} else {
pdb_set_logon_script(sampass, logon_script, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH), profile_path))
{
pdb_set_profile_path( sampass,
talloc_sub_basic( sampass->mem_ctx, username, lp_logon_path()),
PDB_DEFAULT );
} else {
pdb_set_profile_path(sampass, profile_path, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC), acct_desc))
{
/* leave as default */
} else {
pdb_set_acct_desc(sampass, acct_desc, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS), workstations)) {
/* leave as default */;
} else {
pdb_set_workstations(sampass, workstations, PDB_SET);
}
if (!smbldap_get_single_attribute(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL), munged_dial, sizeof(munged_dial))) {
/* leave as default */;
} else {
pdb_set_munged_dial(sampass, munged_dial, PDB_SET);
}
/* FIXME: hours stuff should be cleaner */
logon_divs = 168;
hours_len = 21;
memset(hours, 0xff, hours_len);
if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW), temp)) {
/* leave as default */
} else {
pdb_gethexpwd(temp, smblmpwd);
memset((char *)temp, '\0', strlen(temp)+1);
if (!pdb_set_lanman_passwd(sampass, smblmpwd, PDB_SET))
return False;
ZERO_STRUCT(smblmpwd);
}
if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW), temp)) {
/* leave as default */
} else {
pdb_gethexpwd(temp, smbntpwd);
memset((char *)temp, '\0', strlen(temp)+1);
if (!pdb_set_nt_passwd(sampass, smbntpwd, PDB_SET))
return False;
ZERO_STRUCT(smbntpwd);
}
account_policy_get(AP_PASSWORD_HISTORY, &pwHistLen);
if (pwHistLen > 0){
uint8 *pwhist = NULL;
int i;
/* We can only store (sizeof(pstring)-1)/64 password history entries. */
pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
if ((pwhist = malloc(pwHistLen * PW_HISTORY_ENTRY_LEN)) == NULL){
DEBUG(0, ("init_sam_from_ldap: malloc failed!\n"));
return False;
}
memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY), temp)) {
/* leave as default - zeros */
} else {
BOOL hex_failed = False;
for (i = 0; i < pwHistLen; i++){
/* Get the 16 byte salt. */
if (!pdb_gethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN])) {
hex_failed = True;
break;
}
/* Get the 16 byte MD5 hash of salt+passwd. */
if (!pdb_gethexpwd(&temp[(i*64)+32],
&pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN])) {
hex_failed = True;
break;
}
}
if (hex_failed) {
DEBUG(0,("init_sam_from_ldap: Failed to get password history for user %s\n",
username));
memset(pwhist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN);
}
}
if (!pdb_set_pw_history(sampass, pwhist, pwHistLen, PDB_SET)){
SAFE_FREE(pwhist);
return False;
}
SAFE_FREE(pwhist);
}
if (!smbldap_get_single_pstring (ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO), temp)) {
acct_ctrl |= ACB_NORMAL;
} else {
acct_ctrl = pdb_decode_acct_ctrl(temp);
if (acct_ctrl == 0)
acct_ctrl |= ACB_NORMAL;
pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET);
}
pdb_set_hours_len(sampass, hours_len, PDB_SET);
pdb_set_logon_divs(sampass, logon_divs, PDB_SET);
/* pdb_set_munged_dial(sampass, munged_dial, PDB_SET); */
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_COUNT), temp)) {
/* leave as default */
} else {
bad_password_count = (uint32) atol(temp);
pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_BAD_PASSWORD_TIME), temp)) {
/* leave as default */
} else {
bad_password_time = (time_t) atol(temp);
pdb_set_bad_password_time(sampass, bad_password_time, PDB_SET);
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_COUNT), temp)) {
/* leave as default */
} else {
logon_count = (uint32) atol(temp);
pdb_set_logon_count(sampass, logon_count, PDB_SET);
}
/* pdb_set_unknown_6(sampass, unknown6, PDB_SET); */
if(!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_HOURS), temp)) {
/* leave as default */
} else {
pdb_gethexhours(temp, hours);
memset((char *)temp, '\0', strlen(temp) +1);
pdb_set_hours(sampass, hours, PDB_SET);
ZERO_STRUCT(hours);
}
/* check the timestamp of the cache vs ldap entry */
if (!(ldap_entry_time = ldapsam_get_entry_timestamp(ldap_state,
entry)))
return True;
/* see if we have newer updates */
if (!(cache_entry = login_cache_read(sampass))) {
DEBUG (9, ("No cache entry, bad count = %u, bad time = %u\n",
(unsigned int)pdb_get_bad_password_count(sampass),
(unsigned int)pdb_get_bad_password_time(sampass)));
return True;
}
DEBUG(7, ("ldap time is %u, cache time is %u, bad time = %u\n",
(unsigned int)ldap_entry_time, (unsigned int)cache_entry->entry_timestamp,
(unsigned int)cache_entry->bad_password_time));
if (ldap_entry_time > cache_entry->entry_timestamp) {
/* cache is older than directory , so
we need to delete the entry but allow the
fields to be written out */
login_cache_delentry(sampass);
} else {
/* read cache in */
pdb_set_acct_ctrl(sampass,
pdb_get_acct_ctrl(sampass) |
(cache_entry->acct_ctrl & ACB_AUTOLOCK),
PDB_SET);
pdb_set_bad_password_count(sampass,
cache_entry->bad_password_count,
PDB_SET);
pdb_set_bad_password_time(sampass,
cache_entry->bad_password_time,
PDB_SET);
}
SAFE_FREE(cache_entry);
return True;
}
/**********************************************************************
Initialize the ldap db from a SAM_ACCOUNT. Called on update.
(Based on init_buffer_from_sam in pdb_tdb.c)
*********************************************************************/
static BOOL init_ldap_from_sam (struct ldapsam_privates *ldap_state,
LDAPMessage *existing,
LDAPMod *** mods, SAM_ACCOUNT * sampass,
BOOL (*need_update)(const SAM_ACCOUNT *,
enum pdb_elements))
{
pstring temp;
uint32 rid;
if (mods == NULL || sampass == NULL) {
DEBUG(0, ("init_ldap_from_sam: NULL parameters found!\n"));
return False;
}
*mods = NULL;
/*
* took out adding "objectclass: sambaAccount"
* do this on a per-mod basis
*/
if (need_update(sampass, PDB_USERNAME))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
"uid", pdb_get_username(sampass));
DEBUG(2, ("init_ldap_from_sam: Setting entry for user: %s\n", pdb_get_username(sampass)));
/* only update the RID if we actually need to */
if (need_update(sampass, PDB_USERSID)) {
fstring sid_string;
fstring dom_sid_string;
const DOM_SID *user_sid = pdb_get_user_sid(sampass);
switch ( ldap_state->schema_ver ) {
case SCHEMAVER_SAMBAACCOUNT:
if (!sid_peek_check_rid(&ldap_state->domain_sid, user_sid, &rid)) {
DEBUG(1, ("init_ldap_from_sam: User's SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
sid_to_string(sid_string, user_sid),
sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
return False;
}
slprintf(temp, sizeof(temp) - 1, "%i", rid);
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_RID),
temp);
break;
case SCHEMAVER_SAMBASAMACCOUNT:
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
sid_to_string(sid_string, user_sid));
break;
default:
DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
break;
}
}
/* we don't need to store the primary group RID - so leaving it
'free' to hang off the unix primary group makes life easier */
if (need_update(sampass, PDB_GROUPSID)) {
fstring sid_string;
fstring dom_sid_string;
const DOM_SID *group_sid = pdb_get_group_sid(sampass);
switch ( ldap_state->schema_ver ) {
case SCHEMAVER_SAMBAACCOUNT:
if (!sid_peek_check_rid(&ldap_state->domain_sid, group_sid, &rid)) {
DEBUG(1, ("init_ldap_from_sam: User's Primary Group SID (%s) is not for this domain (%s), cannot add to LDAP!\n",
sid_to_string(sid_string, group_sid),
sid_to_string(dom_sid_string, &ldap_state->domain_sid)));
return False;
}
slprintf(temp, sizeof(temp) - 1, "%i", rid);
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver,
LDAP_ATTR_PRIMARY_GROUP_RID), temp);
break;
case SCHEMAVER_SAMBASAMACCOUNT:
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver,
LDAP_ATTR_PRIMARY_GROUP_SID), sid_to_string(sid_string, group_sid));
break;
default:
DEBUG(0,("init_ldap_from_sam: unknown schema version specified\n"));
break;
}
}
/* displayName, cn, and gecos should all be the same
* most easily accomplished by giving them the same OID
* gecos isn't set here b/c it should be handled by the
* add-user script
* We change displayName only and fall back to cn if
* it does not exist.
*/
if (need_update(sampass, PDB_FULLNAME))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DISPLAY_NAME),
pdb_get_fullname(sampass));
if (need_update(sampass, PDB_ACCTDESC))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_DESC),
pdb_get_acct_desc(sampass));
if (need_update(sampass, PDB_WORKSTATIONS))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_WKS),
pdb_get_workstations(sampass));
if (need_update(sampass, PDB_MUNGEDDIAL))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_MUNGED_DIAL),
pdb_get_munged_dial(sampass));
if (need_update(sampass, PDB_SMBHOME))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_PATH),
pdb_get_homedir(sampass));
if (need_update(sampass, PDB_DRIVE))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_HOME_DRIVE),
pdb_get_dir_drive(sampass));
if (need_update(sampass, PDB_LOGONSCRIPT))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_SCRIPT),
pdb_get_logon_script(sampass));
if (need_update(sampass, PDB_PROFILE))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PROFILE_PATH),
pdb_get_profile_path(sampass));
slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
if (need_update(sampass, PDB_LOGONTIME))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGON_TIME), temp);
slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
if (need_update(sampass, PDB_LOGOFFTIME))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LOGOFF_TIME), temp);
slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
if (need_update(sampass, PDB_KICKOFFTIME))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_KICKOFF_TIME), temp);
slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
if (need_update(sampass, PDB_CANCHANGETIME))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_CAN_CHANGE), temp);
slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
if (need_update(sampass, PDB_MUSTCHANGETIME))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_MUST_CHANGE), temp);
if ((pdb_get_acct_ctrl(sampass)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST))
|| (lp_ldap_passwd_sync()!=LDAP_PASSWD_SYNC_ONLY)) {
if (need_update(sampass, PDB_LMPASSWD)) {
const uchar *lm_pw = pdb_get_lanman_passwd(sampass);
if (lm_pw) {
pdb_sethexpwd(temp, lm_pw,
pdb_get_acct_ctrl(sampass));
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
temp);
} else {
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_LMPW),
NULL);
}
}
if (need_update(sampass, PDB_NTPASSWD)) {
const uchar *nt_pw = pdb_get_nt_passwd(sampass);
if (nt_pw) {
pdb_sethexpwd(temp, nt_pw,
pdb_get_acct_ctrl(sampass));
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
temp);
} else {
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_NTPW),
NULL);
}
}
if (need_update(sampass, PDB_PWHISTORY)) {
int pwHistLen = 0;
account_policy_get(AP_PASSWORD_HISTORY, &pwHistLen);
if (pwHistLen == 0) {
/* Remove any password history from the LDAP store. */
memset(temp, '0', 64); /* NOTE !!!! '0' *NOT '\0' */
temp[64] = '\0';
} else {
int i, currHistLen = 0;
const uint8 *pwhist = pdb_get_pw_history(sampass, &currHistLen);
if (pwhist != NULL) {
/* We can only store (sizeof(pstring)-1)/64 password history entries. */
pwHistLen = MIN(pwHistLen, ((sizeof(temp)-1)/64));
for (i=0; i< pwHistLen && i < currHistLen; i++) {
/* Store the salt. */
pdb_sethexpwd(&temp[i*64], &pwhist[i*PW_HISTORY_ENTRY_LEN], 0);
/* Followed by the md5 hash of salt + md4 hash */
pdb_sethexpwd(&temp[(i*64)+32],
&pwhist[(i*PW_HISTORY_ENTRY_LEN)+PW_HISTORY_SALT_LEN], 0);
DEBUG(100, ("temp=%s\n", temp));
}
}
}
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_HISTORY),
temp);
}
if (need_update(sampass, PDB_PASSLASTSET)) {
slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_PWD_LAST_SET),
temp);
}
}
if (need_update(sampass, PDB_HOURS)) {
const char *hours = pdb_get_hours(sampass);
if (hours) {
pdb_sethexhours(temp, hours);
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct,
existing,
mods,
get_userattr_key2string(ldap_state->schema_ver,
LDAP_ATTR_LOGON_HOURS),
temp);
}
}
if (need_update(sampass, PDB_ACCTCTRL))
smbldap_make_mod(ldap_state->smbldap_state->ldap_struct, existing, mods,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_ACB_INFO),
pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass), NEW_PW_FORMAT_SPACE_PADDED_LEN));
/* password lockout cache:
- If we are now autolocking or clearing, we write to ldap
- If we are clearing, we delete the cache entry
- If the count is > 0, we update the cache
This even means when autolocking, we cache, just in case the
update doesn't work, and we have to cache the autolock flag */
if (need_update(sampass, PDB_BAD_PASSWORD_COUNT)) /* &&
need_update(sampass, PDB_BAD_PASSWORD_TIME)) */ {
uint16 badcount = pdb_get_bad_password_count(sampass);
time_t badtime = pdb_get_bad_password_time(sampass);
uint32 pol;
account_policy_get(AP_BAD_ATTEMPT_LOCKOUT, &pol);
DEBUG(3, ("updating bad password fields, policy=%u, count=%u, time=%u\n",
(unsigned int)pol, (unsigned int)badcount, (unsigned int)badtime));
if ((badcount >= pol) || (badcount == 0)) {
DEBUG(7, ("making mods to update ldap, count=%u, time=%u\n",
(unsigned int)badcount, (unsigned int)badtime));
slprintf (temp, sizeof (temp) - 1, "%li", (long)badcount);
smbldap_make_mod(
ldap_state->smbldap_state->ldap_struct,
existing, mods,
get_userattr_key2string(
ldap_state->schema_ver,
LDAP_ATTR_BAD_PASSWORD_COUNT),
temp);
slprintf (temp, sizeof (temp) - 1, "%li", badtime);
smbldap_make_mod(
ldap_state->smbldap_state->ldap_struct,
existing, mods,
get_userattr_key2string(
ldap_state->schema_ver,
LDAP_ATTR_BAD_PASSWORD_TIME),
temp);
}
if (badcount == 0) {
DEBUG(7, ("bad password count is reset, deleting login cache entry for %s\n", pdb_get_nt_username(sampass)));
login_cache_delentry(sampass);
} else {
LOGIN_CACHE cache_entry;
cache_entry.entry_timestamp = time(NULL);
cache_entry.acct_ctrl = pdb_get_acct_ctrl(sampass);
cache_entry.bad_password_count = badcount;
cache_entry.bad_password_time = badtime;
DEBUG(7, ("Updating bad password count and time in login cache\n"));
login_cache_write(sampass, cache_entry);
}
}
return True;
}
/**********************************************************************
Connect to LDAP server for password enumeration.
*********************************************************************/
static NTSTATUS ldapsam_setsampwent(struct pdb_methods *my_methods, BOOL update)
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
int rc;
pstring filter;
char **attr_list;
pstr_sprintf( filter, "(&%s%s)", lp_ldap_filter(),
get_objclass_filter(ldap_state->schema_ver));
all_string_sub(filter, "%u", "*", sizeof(pstring));
attr_list = get_userattr_list(ldap_state->schema_ver);
rc = smbldap_search_suffix(ldap_state->smbldap_state, filter,
attr_list, &ldap_state->result);
free_attr_list( attr_list );
if (rc != LDAP_SUCCESS) {
DEBUG(0, ("ldapsam_setsampwent: LDAP search failed: %s\n", ldap_err2string(rc)));
DEBUG(3, ("ldapsam_setsampwent: Query was: %s, %s\n", lp_ldap_suffix(), filter));
ldap_msgfree(ldap_state->result);
ldap_state->result = NULL;
return NT_STATUS_UNSUCCESSFUL;
}
DEBUG(2, ("ldapsam_setsampwent: %d entries in the base!\n",
ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
ldap_state->result)));
ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
ldap_state->result);
ldap_state->index = 0;
return NT_STATUS_OK;
}
/**********************************************************************
End enumeration of the LDAP password list.
*********************************************************************/
static void ldapsam_endsampwent(struct pdb_methods *my_methods)
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
if (ldap_state->result) {
ldap_msgfree(ldap_state->result);
ldap_state->result = NULL;
}
}
/**********************************************************************
Get the next entry in the LDAP password database.
*********************************************************************/
static NTSTATUS ldapsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user)
{
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
BOOL bret = False;
while (!bret) {
if (!ldap_state->entry)
return ret;
ldap_state->index++;
bret = init_sam_from_ldap(ldap_state, user, ldap_state->entry);
ldap_state->entry = ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
ldap_state->entry);
}
return NT_STATUS_OK;
}
static void append_attr(char ***attr_list, const char *new_attr)
{
int i;
if (new_attr == NULL) {
return;
}
for (i=0; (*attr_list)[i] != NULL; i++) {
;
}
(*attr_list) = Realloc((*attr_list), sizeof(**attr_list) * (i+2));
SMB_ASSERT((*attr_list) != NULL);
(*attr_list)[i] = strdup(new_attr);
(*attr_list)[i+1] = NULL;
}
/**********************************************************************
Get SAM_ACCOUNT entry from LDAP by username.
*********************************************************************/
static NTSTATUS ldapsam_getsampwnam(struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname)
{
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int count;
char ** attr_list;
int rc;
attr_list = get_userattr_list( ldap_state->schema_ver );
append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, attr_list);
free_attr_list( attr_list );
if ( rc != LDAP_SUCCESS )
return NT_STATUS_NO_SUCH_USER;
count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
if (count < 1) {
DEBUG(4, ("ldapsam_getsampwnam: Unable to locate user [%s] count=%d\n", sname, count));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_USER;
} else if (count > 1) {
DEBUG(1, ("ldapsam_getsampwnam: Duplicate entries for this user [%s] Failing. count=%d\n", sname, count));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_USER;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
if (entry) {
if (!init_sam_from_ldap(ldap_state, user, entry)) {
DEBUG(1,("ldapsam_getsampwnam: init_sam_from_ldap failed for user '%s'!\n", sname));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_USER;
}
pdb_set_backend_private_data(user, result,
private_data_free_fn,
my_methods, PDB_CHANGED);
ret = NT_STATUS_OK;
} else {
ldap_msgfree(result);
}
return ret;
}
static int ldapsam_get_ldap_user_by_sid(struct ldapsam_privates *ldap_state,
const DOM_SID *sid, LDAPMessage **result)
{
int rc = -1;
char ** attr_list;
uint32 rid;
switch ( ldap_state->schema_ver ) {
case SCHEMAVER_SAMBASAMACCOUNT:
attr_list = get_userattr_list(ldap_state->schema_ver);
append_attr(&attr_list, get_userattr_key2string(ldap_state->schema_ver,LDAP_ATTR_MOD_TIMESTAMP));
rc = ldapsam_search_suffix_by_sid(ldap_state, sid, result, attr_list);
free_attr_list( attr_list );
if ( rc != LDAP_SUCCESS )
return rc;
break;
case SCHEMAVER_SAMBAACCOUNT:
if (!sid_peek_check_rid(&ldap_state->domain_sid, sid, &rid)) {
return rc;
}
attr_list = get_userattr_list(ldap_state->schema_ver);
rc = ldapsam_search_suffix_by_rid(ldap_state, rid, result, attr_list );
free_attr_list( attr_list );
if ( rc != LDAP_SUCCESS )
return rc;
break;
}
return rc;
}
/**********************************************************************
Get SAM_ACCOUNT entry from LDAP by SID.
*********************************************************************/
static NTSTATUS ldapsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid)
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int count;
int rc;
fstring sid_string;
rc = ldapsam_get_ldap_user_by_sid(ldap_state,
sid, &result);
if (rc != LDAP_SUCCESS)
return NT_STATUS_NO_SUCH_USER;
count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
if (count < 1) {
DEBUG(4, ("ldapsam_getsampwsid: Unable to locate SID [%s] count=%d\n", sid_to_string(sid_string, sid),
count));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_USER;
} else if (count > 1) {
DEBUG(1, ("ldapsam_getsampwsid: More than one user with SID [%s]. Failing. count=%d\n", sid_to_string(sid_string, sid),
count));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_USER;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
if (!entry) {
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_USER;
}
if (!init_sam_from_ldap(ldap_state, user, entry)) {
DEBUG(1,("ldapsam_getsampwsid: init_sam_from_ldap failed!\n"));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_USER;
}
pdb_set_backend_private_data(user, result,
private_data_free_fn,
my_methods, PDB_CHANGED);
return NT_STATUS_OK;
}
static BOOL ldapsam_can_pwchange_exop(struct smbldap_state *ldap_state)
{
LDAPMessage *msg = NULL;
LDAPMessage *entry = NULL;
char **values = NULL;
char *attrs[] = { "supportedExtension", NULL };
int rc, num_result, num_values, i;
BOOL result = False;
rc = smbldap_search(ldap_state, "", LDAP_SCOPE_BASE, "(objectclass=*)",
attrs, 0, &msg);
if (rc != LDAP_SUCCESS) {
DEBUG(3, ("Could not search rootDSE\n"));
return False;
}
num_result = ldap_count_entries(ldap_state->ldap_struct, msg);
if (num_result != 1) {
DEBUG(3, ("Expected one rootDSE, got %d\n", num_result));
goto done;
}
entry = ldap_first_entry(ldap_state->ldap_struct, msg);
if (entry == NULL) {
DEBUG(3, ("Could not retrieve rootDSE\n"));
goto done;
}
values = ldap_get_values(ldap_state->ldap_struct, entry,
"supportedExtension");
if (values == NULL) {
DEBUG(9, ("LDAP Server does not support any extensions\n"));
goto done;
}
num_values = ldap_count_values(values);
if (num_values == 0) {
DEBUG(9, ("LDAP Server does not support any extensions\n"));
goto done;
}
for (i=0; i<num_values; i++) {
if (strcmp(values[i], LDAP_EXOP_MODIFY_PASSWD) == 0)
result = True;
}
done:
if (values != NULL)
ldap_value_free(values);
if (msg != NULL)
ldap_msgfree(msg);
return result;
}
/********************************************************************
Do the actual modification - also change a plaintext passord if
it it set.
**********************************************************************/
static NTSTATUS ldapsam_modify_entry(struct pdb_methods *my_methods,
SAM_ACCOUNT *newpwd, char *dn,
LDAPMod **mods, int ldap_op,
BOOL (*need_update)(const SAM_ACCOUNT *, enum pdb_elements))
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
int rc;
if (!my_methods || !newpwd || !dn) {
return NT_STATUS_INVALID_PARAMETER;
}
if (!mods) {
DEBUG(5,("ldapsam_modify_entry: mods is empty: nothing to modify\n"));
/* may be password change below however */
} else {
switch(ldap_op) {
case LDAP_MOD_ADD:
smbldap_set_mod(&mods, LDAP_MOD_ADD,
"objectclass",
LDAP_OBJ_ACCOUNT);
rc = smbldap_add(ldap_state->smbldap_state,
dn, mods);
break;
case LDAP_MOD_REPLACE:
rc = smbldap_modify(ldap_state->smbldap_state,
dn ,mods);
break;
default:
DEBUG(0,("ldapsam_modify_entry: Wrong LDAP operation type: %d!\n",
ldap_op));
return NT_STATUS_INVALID_PARAMETER;
}
if (rc!=LDAP_SUCCESS) {
char *ld_error = NULL;
ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(1, ("ldapsam_modify_entry: Failed to %s user dn= %s with: %s\n\t%s\n",
ldap_op == LDAP_MOD_ADD ? "add" : "modify",
dn, ldap_err2string(rc),
ld_error?ld_error:"unknown"));
SAFE_FREE(ld_error);
return NT_STATUS_UNSUCCESSFUL;
}
}
if (!(pdb_get_acct_ctrl(newpwd)&(ACB_WSTRUST|ACB_SVRTRUST|ACB_DOMTRUST)) &&
(lp_ldap_passwd_sync() != LDAP_PASSWD_SYNC_OFF) &&
need_update(newpwd, PDB_PLAINTEXT_PW) &&
(pdb_get_plaintext_passwd(newpwd)!=NULL)) {
BerElement *ber;
struct berval *bv;
char *retoid;
struct berval *retdata;
char *utf8_password;
char *utf8_dn;
if (!ldapsam_can_pwchange_exop(ldap_state->smbldap_state)) {
DEBUG(2, ("ldap password change requested, but LDAP "
"server does not support it -- ignoring\n"));
return NT_STATUS_OK;
}
if (push_utf8_allocate(&utf8_password, pdb_get_plaintext_passwd(newpwd)) == (size_t)-1) {
return NT_STATUS_NO_MEMORY;
}
if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
return NT_STATUS_NO_MEMORY;
}
if ((ber = ber_alloc_t(LBER_USE_DER))==NULL) {
DEBUG(0,("ber_alloc_t returns NULL\n"));
SAFE_FREE(utf8_password);
return NT_STATUS_UNSUCCESSFUL;
}
ber_printf (ber, "{");
ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_ID, utf8_dn);
ber_printf (ber, "ts", LDAP_TAG_EXOP_MODIFY_PASSWD_NEW, utf8_password);
ber_printf (ber, "N}");
if ((rc = ber_flatten (ber, &bv))<0) {
DEBUG(0,("ldapsam_modify_entry: ber_flatten returns a value <0\n"));
ber_free(ber,1);
SAFE_FREE(utf8_dn);
SAFE_FREE(utf8_password);
return NT_STATUS_UNSUCCESSFUL;
}
SAFE_FREE(utf8_dn);
SAFE_FREE(utf8_password);
ber_free(ber, 1);
if ((rc = smbldap_extended_operation(ldap_state->smbldap_state,
LDAP_EXOP_MODIFY_PASSWD,
bv, NULL, NULL, &retoid,
&retdata)) != LDAP_SUCCESS) {
char *ld_error = NULL;
if (rc == LDAP_OBJECT_CLASS_VIOLATION) {
DEBUG(3, ("Could not set userPassword "
"attribute due to an objectClass "
"violation -- ignoring\n"));
ber_bvfree(bv);
return NT_STATUS_OK;
}
ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(0,("ldapsam_modify_entry: LDAP Password could not be changed for user %s: %s\n\t%s\n",
pdb_get_username(newpwd), ldap_err2string(rc), ld_error?ld_error:"unknown"));
SAFE_FREE(ld_error);
ber_bvfree(bv);
return NT_STATUS_UNSUCCESSFUL;
} else {
DEBUG(3,("ldapsam_modify_entry: LDAP Password changed for user %s\n",pdb_get_username(newpwd)));
#ifdef DEBUG_PASSWORD
DEBUG(100,("ldapsam_modify_entry: LDAP Password changed to %s\n",pdb_get_plaintext_passwd(newpwd)));
#endif
ber_bvfree(retdata);
ber_memfree(retoid);
}
ber_bvfree(bv);
}
return NT_STATUS_OK;
}
/**********************************************************************
Delete entry from LDAP for username.
*********************************************************************/
static NTSTATUS ldapsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * sam_acct)
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
const char *sname;
int rc;
LDAPMessage *result = NULL;
NTSTATUS ret;
char **attr_list;
fstring objclass;
if (!sam_acct) {
DEBUG(0, ("ldapsam_delete_sam_account: sam_acct was NULL!\n"));
return NT_STATUS_INVALID_PARAMETER;
}
sname = pdb_get_username(sam_acct);
DEBUG (3, ("ldapsam_delete_sam_account: Deleting user %s from LDAP.\n", sname));
attr_list= get_userattr_delete_list( ldap_state->schema_ver );
rc = ldapsam_search_suffix_by_name(ldap_state, sname, &result, attr_list);
if (rc != LDAP_SUCCESS) {
free_attr_list( attr_list );
return NT_STATUS_NO_SUCH_USER;
}
switch ( ldap_state->schema_ver ) {
case SCHEMAVER_SAMBASAMACCOUNT:
fstrcpy( objclass, LDAP_OBJ_SAMBASAMACCOUNT );
break;
case SCHEMAVER_SAMBAACCOUNT:
fstrcpy( objclass, LDAP_OBJ_SAMBAACCOUNT );
break;
default:
fstrcpy( objclass, "UNKNOWN" );
DEBUG(0,("ldapsam_delete_sam_account: Unknown schema version specified!\n"));
break;
}
ret = ldapsam_delete_entry(ldap_state, result, objclass, attr_list );
ldap_msgfree(result);
free_attr_list( attr_list );
return ret;
}
/**********************************************************************
Helper function to determine for update_sam_account whether
we need LDAP modification.
*********************************************************************/
static BOOL element_is_changed(const SAM_ACCOUNT *sampass,
enum pdb_elements element)
{
return IS_SAM_CHANGED(sampass, element);
}
/**********************************************************************
Update SAM_ACCOUNT.
*********************************************************************/
static NTSTATUS ldapsam_update_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
{
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
int rc = 0;
char *dn;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
LDAPMod **mods = NULL;
char **attr_list;
result = pdb_get_backend_private_data(newpwd, my_methods);
if (!result) {
attr_list = get_userattr_list(ldap_state->schema_ver);
rc = ldapsam_search_suffix_by_name(ldap_state, pdb_get_username(newpwd), &result, attr_list );
free_attr_list( attr_list );
if (rc != LDAP_SUCCESS) {
return NT_STATUS_UNSUCCESSFUL;
}
pdb_set_backend_private_data(newpwd, result, private_data_free_fn, my_methods, PDB_CHANGED);
}
if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
DEBUG(0, ("ldapsam_update_sam_account: No user to modify!\n"));
return NT_STATUS_UNSUCCESSFUL;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
if (!dn) {
return NT_STATUS_UNSUCCESSFUL;
}
DEBUG(4, ("ldapsam_update_sam_account: user %s to be modified has dn: %s\n", pdb_get_username(newpwd), dn));
if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
element_is_changed)) {
DEBUG(0, ("ldapsam_update_sam_account: init_ldap_from_sam failed!\n"));
SAFE_FREE(dn);
if (mods != NULL)
ldap_mods_free(mods,True);
return NT_STATUS_UNSUCCESSFUL;
}
if (mods == NULL) {
DEBUG(4,("ldapsam_update_sam_account: mods is empty: nothing to update for user: %s\n",
pdb_get_username(newpwd)));
SAFE_FREE(dn);
return NT_STATUS_OK;
}
ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,LDAP_MOD_REPLACE, element_is_changed);
ldap_mods_free(mods,True);
SAFE_FREE(dn);
if (!NT_STATUS_IS_OK(ret)) {
char *ld_error = NULL;
ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(0,("ldapsam_update_sam_account: failed to modify user with uid = %s, error: %s (%s)\n",
pdb_get_username(newpwd), ld_error?ld_error:"(unknwon)", ldap_err2string(rc)));
SAFE_FREE(ld_error);
return ret;
}
DEBUG(2, ("ldapsam_update_sam_account: successfully modified uid = %s in the LDAP database\n",
pdb_get_username(newpwd)));
return NT_STATUS_OK;
}
/**********************************************************************
Helper function to determine for update_sam_account whether
we need LDAP modification.
*********************************************************************/
static BOOL element_is_set_or_changed(const SAM_ACCOUNT *sampass,
enum pdb_elements element)
{
return (IS_SAM_SET(sampass, element) ||
IS_SAM_CHANGED(sampass, element));
}
/**********************************************************************
Add SAM_ACCOUNT to LDAP.
*********************************************************************/
static NTSTATUS ldapsam_add_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT * newpwd)
{
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
int rc;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
pstring dn;
LDAPMod **mods = NULL;
int ldap_op = LDAP_MOD_REPLACE;
uint32 num_result;
char **attr_list;
char *escape_user;
const char *username = pdb_get_username(newpwd);
const DOM_SID *sid = pdb_get_user_sid(newpwd);
pstring filter;
fstring sid_string;
if (!username || !*username) {
DEBUG(0, ("ldapsam_add_sam_account: Cannot add user without a username!\n"));
return NT_STATUS_INVALID_PARAMETER;
}
/* free this list after the second search or in case we exit on failure */
attr_list = get_userattr_list(ldap_state->schema_ver);
rc = ldapsam_search_suffix_by_name (ldap_state, username, &result, attr_list);
if (rc != LDAP_SUCCESS) {
free_attr_list( attr_list );
return NT_STATUS_UNSUCCESSFUL;
}
if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
DEBUG(0,("ldapsam_add_sam_account: User '%s' already in the base, with samba attributes\n",
username));
ldap_msgfree(result);
free_attr_list( attr_list );
return NT_STATUS_UNSUCCESSFUL;
}
ldap_msgfree(result);
result = NULL;
if (element_is_set_or_changed(newpwd, PDB_USERSID)) {
rc = ldapsam_get_ldap_user_by_sid(ldap_state,
sid, &result);
if (rc == LDAP_SUCCESS) {
if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) != 0) {
DEBUG(0,("ldapsam_add_sam_account: SID '%s' already in the base, with samba attributes\n",
sid_to_string(sid_string, sid)));
free_attr_list( attr_list );
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
ldap_msgfree(result);
}
}
/* does the entry already exist but without a samba attributes?
we need to return the samba attributes here */
escape_user = escape_ldap_string_alloc( username );
pstrcpy( filter, lp_ldap_filter() );
all_string_sub( filter, "%u", escape_user, sizeof(filter) );
SAFE_FREE( escape_user );
rc = smbldap_search_suffix(ldap_state->smbldap_state,
filter, attr_list, &result);
if ( rc != LDAP_SUCCESS ) {
free_attr_list( attr_list );
return NT_STATUS_UNSUCCESSFUL;
}
num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
if (num_result > 1) {
DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
free_attr_list( attr_list );
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
/* Check if we need to update an existing entry */
if (num_result == 1) {
char *tmp;
DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
ldap_op = LDAP_MOD_REPLACE;
entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
if (!tmp) {
free_attr_list( attr_list );
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
slprintf (dn, sizeof (dn) - 1, "%s", tmp);
SAFE_FREE(tmp);
} else if (ldap_state->schema_ver == SCHEMAVER_SAMBASAMACCOUNT) {
/* There might be a SID for this account already - say an idmap entry */
pstr_sprintf(filter, "(&(%s=%s)(|(objectClass=%s)(objectClass=%s)))",
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
sid_to_string(sid_string, sid),
LDAP_OBJ_IDMAP_ENTRY,
LDAP_OBJ_SID_ENTRY);
/* free old result before doing a new search */
if (result != NULL) {
ldap_msgfree(result);
result = NULL;
}
rc = smbldap_search_suffix(ldap_state->smbldap_state,
filter, attr_list, &result);
if ( rc != LDAP_SUCCESS ) {
free_attr_list( attr_list );
return NT_STATUS_UNSUCCESSFUL;
}
num_result = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
if (num_result > 1) {
DEBUG (0, ("ldapsam_add_sam_account: More than one user with that uid exists: bailing out!\n"));
free_attr_list( attr_list );
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
/* Check if we need to update an existing entry */
if (num_result == 1) {
char *tmp;
DEBUG(3,("ldapsam_add_sam_account: User exists without samba attributes: adding them\n"));
ldap_op = LDAP_MOD_REPLACE;
entry = ldap_first_entry (ldap_state->smbldap_state->ldap_struct, result);
tmp = smbldap_get_dn (ldap_state->smbldap_state->ldap_struct, entry);
if (!tmp) {
free_attr_list( attr_list );
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
slprintf (dn, sizeof (dn) - 1, "%s", tmp);
SAFE_FREE(tmp);
}
}
free_attr_list( attr_list );
if (num_result == 0) {
/* Check if we need to add an entry */
DEBUG(3,("ldapsam_add_sam_account: Adding new user\n"));
ldap_op = LDAP_MOD_ADD;
if (username[strlen(username)-1] == '$') {
slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_machine_suffix ());
} else {
slprintf (dn, sizeof (dn) - 1, "uid=%s,%s", username, lp_ldap_user_suffix ());
}
}
if (!init_ldap_from_sam(ldap_state, entry, &mods, newpwd,
element_is_set_or_changed)) {
DEBUG(0, ("ldapsam_add_sam_account: init_ldap_from_sam failed!\n"));
ldap_msgfree(result);
if (mods != NULL)
ldap_mods_free(mods,True);
return NT_STATUS_UNSUCCESSFUL;
}
ldap_msgfree(result);
if (mods == NULL) {
DEBUG(0,("ldapsam_add_sam_account: mods is empty: nothing to add for user: %s\n",pdb_get_username(newpwd)));
return NT_STATUS_UNSUCCESSFUL;
}
switch ( ldap_state->schema_ver ) {
case SCHEMAVER_SAMBAACCOUNT:
smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBAACCOUNT);
break;
case SCHEMAVER_SAMBASAMACCOUNT:
smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_SAMBASAMACCOUNT);
break;
default:
DEBUG(0,("ldapsam_add_sam_account: invalid schema version specified\n"));
break;
}
ret = ldapsam_modify_entry(my_methods,newpwd,dn,mods,ldap_op, element_is_set_or_changed);
if (!NT_STATUS_IS_OK(ret)) {
DEBUG(0,("ldapsam_add_sam_account: failed to modify/add user with uid = %s (dn = %s)\n",
pdb_get_username(newpwd),dn));
ldap_mods_free(mods, True);
return ret;
}
DEBUG(2,("ldapsam_add_sam_account: added: uid == %s in the LDAP database\n", pdb_get_username(newpwd)));
ldap_mods_free(mods, True);
return NT_STATUS_OK;
}
/**********************************************************************
*********************************************************************/
static int ldapsam_search_one_group (struct ldapsam_privates *ldap_state,
const char *filter,
LDAPMessage ** result)
{
int scope = LDAP_SCOPE_SUBTREE;
int rc;
char **attr_list;
attr_list = get_attr_list(groupmap_attr_list);
rc = smbldap_search(ldap_state->smbldap_state,
lp_ldap_group_suffix (), scope,
filter, attr_list, 0, result);
free_attr_list( attr_list );
if (rc != LDAP_SUCCESS) {
char *ld_error = NULL;
ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(0, ("ldapsam_search_one_group: "
"Problem during the LDAP search: LDAP error: %s (%s)\n",
ld_error?ld_error:"(unknown)", ldap_err2string(rc)));
DEBUGADD(3, ("ldapsam_search_one_group: Query was: %s, %s\n",
lp_ldap_group_suffix(), filter));
SAFE_FREE(ld_error);
}
return rc;
}
/**********************************************************************
*********************************************************************/
static BOOL init_group_from_ldap(struct ldapsam_privates *ldap_state,
GROUP_MAP *map, LDAPMessage *entry)
{
pstring temp;
if (ldap_state == NULL || map == NULL || entry == NULL ||
ldap_state->smbldap_state->ldap_struct == NULL) {
DEBUG(0, ("init_group_from_ldap: NULL parameters found!\n"));
return False;
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER), temp)) {
DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GIDNUMBER)));
return False;
}
DEBUG(2, ("init_group_from_ldap: Entry found for group: %s\n", temp));
map->gid = (gid_t)atol(temp);
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID), temp)) {
DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_SID)));
return False;
}
if (!string_to_sid(&map->sid, temp)) {
DEBUG(1, ("SID string [%s] could not be read as a valid SID\n", temp));
return False;
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), temp)) {
DEBUG(0, ("init_group_from_ldap: Mandatory attribute %s not found\n",
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_GROUP_TYPE)));
return False;
}
map->sid_name_use = (enum SID_NAME_USE)atol(temp);
if ((map->sid_name_use < SID_NAME_USER) ||
(map->sid_name_use > SID_NAME_UNKNOWN)) {
DEBUG(0, ("init_group_from_ldap: Unknown Group type: %d\n", map->sid_name_use));
return False;
}
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), temp)) {
temp[0] = '\0';
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_CN), temp))
{
DEBUG(0, ("init_group_from_ldap: Attributes cn not found either \
for gidNumber(%lu)\n",(unsigned long)map->gid));
return False;
}
}
fstrcpy(map->nt_name, temp);
if (!smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), temp)) {
temp[0] = '\0';
}
fstrcpy(map->comment, temp);
return True;
}
/**********************************************************************
*********************************************************************/
static BOOL init_ldap_from_group(LDAP *ldap_struct,
LDAPMessage *existing,
LDAPMod ***mods,
const GROUP_MAP *map)
{
pstring tmp;
if (mods == NULL || map == NULL) {
DEBUG(0, ("init_ldap_from_group: NULL parameters found!\n"));
return False;
}
*mods = NULL;
sid_to_string(tmp, &map->sid);
smbldap_make_mod(ldap_struct, existing, mods,
get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID), tmp);
pstr_sprintf(tmp, "%i", map->sid_name_use);
smbldap_make_mod(ldap_struct, existing, mods,
get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_TYPE), tmp);
smbldap_make_mod(ldap_struct, existing, mods,
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), map->nt_name);
smbldap_make_mod(ldap_struct, existing, mods,
get_attr_key2string( groupmap_attr_list, LDAP_ATTR_DESC), map->comment);
return True;
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_getgroup(struct pdb_methods *methods,
const char *filter,
GROUP_MAP *map)
{
struct ldapsam_privates *ldap_state =
(struct ldapsam_privates *)methods->private_data;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int count;
if (ldapsam_search_one_group(ldap_state, filter, &result)
!= LDAP_SUCCESS) {
return NT_STATUS_NO_SUCH_GROUP;
}
count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
if (count < 1) {
DEBUG(4, ("ldapsam_getgroup: Did not find group\n"));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_GROUP;
}
if (count > 1) {
DEBUG(1, ("ldapsam_getgroup: Duplicate entries for filter %s: count=%d\n",
filter, count));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_GROUP;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
if (!entry) {
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
if (!init_group_from_ldap(ldap_state, map, entry)) {
DEBUG(1, ("ldapsam_getgroup: init_group_from_ldap failed for group filter %s\n",
filter));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_GROUP;
}
ldap_msgfree(result);
return NT_STATUS_OK;
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_getgrsid(struct pdb_methods *methods, GROUP_MAP *map,
DOM_SID sid)
{
pstring filter;
pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
LDAP_OBJ_GROUPMAP,
get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GROUP_SID),
sid_string_static(&sid));
return ldapsam_getgroup(methods, filter, map);
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_getgrgid(struct pdb_methods *methods, GROUP_MAP *map,
gid_t gid)
{
pstring filter;
pstr_sprintf(filter, "(&(objectClass=%s)(%s=%lu))",
LDAP_OBJ_GROUPMAP,
get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
(unsigned long)gid);
return ldapsam_getgroup(methods, filter, map);
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_getgrnam(struct pdb_methods *methods, GROUP_MAP *map,
const char *name)
{
pstring filter;
char *escape_name = escape_ldap_string_alloc(name);
if (!escape_name) {
return NT_STATUS_NO_MEMORY;
}
pstr_sprintf(filter, "(&(objectClass=%s)(|(%s=%s)(%s=%s)))",
LDAP_OBJ_GROUPMAP,
get_attr_key2string(groupmap_attr_list, LDAP_ATTR_DISPLAY_NAME), escape_name,
get_attr_key2string(groupmap_attr_list, LDAP_ATTR_CN), escape_name);
SAFE_FREE(escape_name);
return ldapsam_getgroup(methods, filter, map);
}
/**********************************************************************
*********************************************************************/
static int ldapsam_search_one_group_by_gid(struct ldapsam_privates *ldap_state,
gid_t gid,
LDAPMessage **result)
{
pstring filter;
pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%lu))",
LDAP_OBJ_POSIXGROUP, LDAP_OBJ_IDMAP_ENTRY,
get_attr_key2string(groupmap_attr_list, LDAP_ATTR_GIDNUMBER),
(unsigned long)gid);
return ldapsam_search_one_group(ldap_state, filter, result);
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_add_group_mapping_entry(struct pdb_methods *methods,
GROUP_MAP *map)
{
struct ldapsam_privates *ldap_state =
(struct ldapsam_privates *)methods->private_data;
LDAPMessage *result = NULL;
LDAPMod **mods = NULL;
int count;
char *tmp;
pstring dn;
LDAPMessage *entry;
GROUP_MAP dummy;
int rc;
if (NT_STATUS_IS_OK(ldapsam_getgrgid(methods, &dummy,
map->gid))) {
DEBUG(0, ("ldapsam_add_group_mapping_entry: Group %ld already exists in LDAP\n", (unsigned long)map->gid));
return NT_STATUS_UNSUCCESSFUL;
}
rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
if (rc != LDAP_SUCCESS) {
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
if ( count == 0 ) {
/* There's no posixGroup account, let's try to find an
* appropriate idmap entry for aliases */
pstring suffix;
pstring filter;
char **attr_list;
ldap_msgfree(result);
pstrcpy( suffix, lp_ldap_idmap_suffix() );
pstr_sprintf(filter, "(&(objectClass=%s)(%s=%u))",
LDAP_OBJ_IDMAP_ENTRY, LDAP_ATTRIBUTE_GIDNUMBER,
map->gid);
attr_list = get_attr_list( sidmap_attr_list );
rc = smbldap_search(ldap_state->smbldap_state, suffix,
LDAP_SCOPE_SUBTREE, filter, attr_list,
0, &result);
free_attr_list(attr_list);
if (rc != LDAP_SUCCESS) {
DEBUG(3,("Failure looking up entry (%s)\n",
ldap_err2string(rc) ));
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
}
count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result);
if ( count == 0 ) {
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
if (count > 1) {
DEBUG(2, ("ldapsam_add_group_mapping_entry: Group %lu must exist exactly once in LDAP\n",
(unsigned long)map->gid));
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
tmp = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
if (!tmp) {
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
pstrcpy(dn, tmp);
SAFE_FREE(tmp);
if (!init_ldap_from_group(ldap_state->smbldap_state->ldap_struct,
result, &mods, map)) {
DEBUG(0, ("ldapsam_add_group_mapping_entry: init_ldap_from_group failed!\n"));
ldap_mods_free(mods, True);
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
ldap_msgfree(result);
if (mods == NULL) {
DEBUG(0, ("ldapsam_add_group_mapping_entry: mods is empty\n"));
return NT_STATUS_UNSUCCESSFUL;
}
smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectClass", LDAP_OBJ_GROUPMAP );
rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
ldap_mods_free(mods, True);
if (rc != LDAP_SUCCESS) {
char *ld_error = NULL;
ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(0, ("ldapsam_add_group_mapping_entry: failed to add group %lu error: %s (%s)\n", (unsigned long)map->gid,
ld_error ? ld_error : "(unknown)", ldap_err2string(rc)));
SAFE_FREE(ld_error);
return NT_STATUS_UNSUCCESSFUL;
}
DEBUG(2, ("ldapsam_add_group_mapping_entry: successfully modified group %lu in LDAP\n", (unsigned long)map->gid));
return NT_STATUS_OK;
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_update_group_mapping_entry(struct pdb_methods *methods,
GROUP_MAP *map)
{
struct ldapsam_privates *ldap_state =
(struct ldapsam_privates *)methods->private_data;
int rc;
char *dn = NULL;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
LDAPMod **mods = NULL;
rc = ldapsam_search_one_group_by_gid(ldap_state, map->gid, &result);
if (rc != LDAP_SUCCESS) {
return NT_STATUS_UNSUCCESSFUL;
}
if (ldap_count_entries(ldap_state->smbldap_state->ldap_struct, result) == 0) {
DEBUG(0, ("ldapsam_update_group_mapping_entry: No group to modify!\n"));
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
if (!init_ldap_from_group(ldap_state->smbldap_state->ldap_struct,
result, &mods, map)) {
DEBUG(0, ("ldapsam_update_group_mapping_entry: init_ldap_from_group failed\n"));
ldap_msgfree(result);
if (mods != NULL)
ldap_mods_free(mods,True);
return NT_STATUS_UNSUCCESSFUL;
}
if (mods == NULL) {
DEBUG(4, ("ldapsam_update_group_mapping_entry: mods is empty: nothing to do\n"));
ldap_msgfree(result);
return NT_STATUS_OK;
}
dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
if (!dn) {
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
SAFE_FREE(dn);
ldap_mods_free(mods, True);
ldap_msgfree(result);
if (rc != LDAP_SUCCESS) {
char *ld_error = NULL;
ldap_get_option(ldap_state->smbldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(0, ("ldapsam_update_group_mapping_entry: failed to modify group %lu error: %s (%s)\n", (unsigned long)map->gid,
ld_error ? ld_error : "(unknown)", ldap_err2string(rc)));
SAFE_FREE(ld_error);
return NT_STATUS_UNSUCCESSFUL;
}
DEBUG(2, ("ldapsam_update_group_mapping_entry: successfully modified group %lu in LDAP\n", (unsigned long)map->gid));
return NT_STATUS_OK;
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_delete_group_mapping_entry(struct pdb_methods *methods,
DOM_SID sid)
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)methods->private_data;
pstring sidstring, filter;
LDAPMessage *result = NULL;
int rc;
NTSTATUS ret;
char **attr_list;
sid_to_string(sidstring, &sid);
pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
LDAP_OBJ_GROUPMAP, LDAP_ATTRIBUTE_SID, sidstring);
rc = ldapsam_search_one_group(ldap_state, filter, &result);
if (rc != LDAP_SUCCESS) {
return NT_STATUS_NO_SUCH_GROUP;
}
attr_list = get_attr_list( groupmap_attr_list_to_delete );
ret = ldapsam_delete_entry(ldap_state, result, LDAP_OBJ_GROUPMAP, attr_list);
free_attr_list ( attr_list );
ldap_msgfree(result);
return ret;
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_setsamgrent(struct pdb_methods *my_methods, BOOL update)
{
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
fstring filter;
int rc;
char **attr_list;
pstr_sprintf( filter, "(objectclass=%s)", LDAP_OBJ_GROUPMAP);
attr_list = get_attr_list( groupmap_attr_list );
rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
LDAP_SCOPE_SUBTREE, filter,
attr_list, 0, &ldap_state->result);
free_attr_list( attr_list );
if (rc != LDAP_SUCCESS) {
DEBUG(0, ("ldapsam_setsamgrent: LDAP search failed: %s\n", ldap_err2string(rc)));
DEBUG(3, ("ldapsam_setsamgrent: Query was: %s, %s\n", lp_ldap_group_suffix(), filter));
ldap_msgfree(ldap_state->result);
ldap_state->result = NULL;
return NT_STATUS_UNSUCCESSFUL;
}
DEBUG(2, ("ldapsam_setsamgrent: %d entries in the base!\n",
ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
ldap_state->result)));
ldap_state->entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, ldap_state->result);
ldap_state->index = 0;
return NT_STATUS_OK;
}
/**********************************************************************
*********************************************************************/
static void ldapsam_endsamgrent(struct pdb_methods *my_methods)
{
ldapsam_endsampwent(my_methods);
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_getsamgrent(struct pdb_methods *my_methods,
GROUP_MAP *map)
{
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
struct ldapsam_privates *ldap_state = (struct ldapsam_privates *)my_methods->private_data;
BOOL bret = False;
while (!bret) {
if (!ldap_state->entry)
return ret;
ldap_state->index++;
bret = init_group_from_ldap(ldap_state, map, ldap_state->entry);
ldap_state->entry = ldap_next_entry(ldap_state->smbldap_state->ldap_struct,
ldap_state->entry);
}
return NT_STATUS_OK;
}
/**********************************************************************
*********************************************************************/
static NTSTATUS ldapsam_enum_group_mapping(struct pdb_methods *methods,
enum SID_NAME_USE sid_name_use,
GROUP_MAP **rmap, int *num_entries,
BOOL unix_only)
{
GROUP_MAP map;
GROUP_MAP *mapt;
int entries = 0;
*num_entries = 0;
*rmap = NULL;
if (!NT_STATUS_IS_OK(ldapsam_setsamgrent(methods, False))) {
DEBUG(0, ("ldapsam_enum_group_mapping: Unable to open passdb\n"));
return NT_STATUS_ACCESS_DENIED;
}
while (NT_STATUS_IS_OK(ldapsam_getsamgrent(methods, &map))) {
if (sid_name_use != SID_NAME_UNKNOWN &&
sid_name_use != map.sid_name_use) {
DEBUG(11,("ldapsam_enum_group_mapping: group %s is not of the requested type\n", map.nt_name));
continue;
}
if (unix_only==ENUM_ONLY_MAPPED && map.gid==-1) {
DEBUG(11,("ldapsam_enum_group_mapping: group %s is non mapped\n", map.nt_name));
continue;
}
mapt=(GROUP_MAP *)Realloc((*rmap), (entries+1)*sizeof(GROUP_MAP));
if (!mapt) {
DEBUG(0,("ldapsam_enum_group_mapping: Unable to enlarge group map!\n"));
SAFE_FREE(*rmap);
return NT_STATUS_UNSUCCESSFUL;
}
else
(*rmap) = mapt;
mapt[entries] = map;
entries += 1;
}
ldapsam_endsamgrent(methods);
*num_entries = entries;
return NT_STATUS_OK;
}
static NTSTATUS ldapsam_modify_aliasmem(struct pdb_methods *methods,
const DOM_SID *alias,
const DOM_SID *member,
int modop)
{
struct ldapsam_privates *ldap_state =
(struct ldapsam_privates *)methods->private_data;
char *dn;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int count;
LDAPMod **mods = NULL;
int rc;
pstring filter;
pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%s))",
LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY,
get_attr_key2string(groupmap_attr_list,
LDAP_ATTR_GROUP_SID),
sid_string_static(alias));
if (ldapsam_search_one_group(ldap_state, filter,
&result) != LDAP_SUCCESS)
return NT_STATUS_NO_SUCH_ALIAS;
count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
result);
if (count < 1) {
DEBUG(4, ("ldapsam_modify_aliasmem: Did not find alias\n"));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_ALIAS;
}
if (count > 1) {
DEBUG(1, ("ldapsam_modify_aliasmem: Duplicate entries for filter %s: "
"count=%d\n", filter, count));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_ALIAS;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
result);
if (!entry) {
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
dn = smbldap_get_dn(ldap_state->smbldap_state->ldap_struct, entry);
if (!dn) {
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
smbldap_set_mod(&mods, modop,
get_attr_key2string(groupmap_attr_list,
LDAP_ATTR_SID_LIST),
sid_string_static(member));
rc = smbldap_modify(ldap_state->smbldap_state, dn, mods);
ldap_mods_free(mods, True);
ldap_msgfree(result);
if (rc != LDAP_SUCCESS) {
char *ld_error = NULL;
ldap_get_option(ldap_state->smbldap_state->ldap_struct,
LDAP_OPT_ERROR_STRING,&ld_error);
DEBUG(0, ("ldapsam_modify_aliasmem: Could not modify alias "
"for %s, error: %s (%s)\n", dn, ldap_err2string(rc),
ld_error?ld_error:"unknown"));
SAFE_FREE(ld_error);
SAFE_FREE(dn);
return NT_STATUS_UNSUCCESSFUL;
}
SAFE_FREE(dn);
return NT_STATUS_OK;
}
static NTSTATUS ldapsam_add_aliasmem(struct pdb_methods *methods,
const DOM_SID *alias,
const DOM_SID *member)
{
return ldapsam_modify_aliasmem(methods, alias, member, LDAP_MOD_ADD);
}
static NTSTATUS ldapsam_del_aliasmem(struct pdb_methods *methods,
const DOM_SID *alias,
const DOM_SID *member)
{
return ldapsam_modify_aliasmem(methods, alias, member,
LDAP_MOD_DELETE);
}
static NTSTATUS ldapsam_enum_aliasmem(struct pdb_methods *methods,
const DOM_SID *alias, DOM_SID **members,
int *num_members)
{
struct ldapsam_privates *ldap_state =
(struct ldapsam_privates *)methods->private_data;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int count;
char **values;
int i;
pstring filter;
*members = NULL;
*num_members = 0;
pstr_sprintf(filter, "(&(|(objectClass=%s)(objectclass=%s))(%s=%s))",
LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY,
get_attr_key2string(groupmap_attr_list,
LDAP_ATTR_GROUP_SID),
sid_string_static(alias));
if (ldapsam_search_one_group(ldap_state, filter,
&result) != LDAP_SUCCESS)
return NT_STATUS_NO_SUCH_ALIAS;
count = ldap_count_entries(ldap_state->smbldap_state->ldap_struct,
result);
if (count < 1) {
DEBUG(4, ("ldapsam_enum_aliasmem: Did not find alias\n"));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_ALIAS;
}
if (count > 1) {
DEBUG(1, ("ldapsam_enum_aliasmem: Duplicate entries for filter %s: "
"count=%d\n", filter, count));
ldap_msgfree(result);
return NT_STATUS_NO_SUCH_ALIAS;
}
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct,
result);
if (!entry) {
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
values = ldap_get_values(ldap_state->smbldap_state->ldap_struct,
entry,
get_attr_key2string(groupmap_attr_list,
LDAP_ATTR_SID_LIST));
if (values == NULL) {
ldap_msgfree(result);
return NT_STATUS_OK;
}
count = ldap_count_values(values);
for (i=0; i<count; i++) {
DOM_SID member;
if (!string_to_sid(&member, values[i]))
continue;
add_sid_to_array(&member, members, num_members);
}
ldap_value_free(values);
ldap_msgfree(result);
return NT_STATUS_OK;
}
static NTSTATUS ldapsam_alias_memberships(struct pdb_methods *methods,
const DOM_SID *members,
int num_members,
DOM_SID **aliases, int *num_aliases)
{
struct ldapsam_privates *ldap_state =
(struct ldapsam_privates *)methods->private_data;
LDAP *ldap_struct;
char *attrs[] = { LDAP_ATTRIBUTE_SID, NULL };
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
int i;
int rc;
char *filter;
TALLOC_CTX *mem_ctx;
mem_ctx = talloc_init("ldapsam_alias_memberships");
if (mem_ctx == NULL)
return NT_STATUS_NO_MEMORY;
/* This query could be further optimized by adding a
(&(sambaSID=<domain-sid>*)) so that only those aliases that are
asked for in the getuseraliases are returned. */
filter = talloc_asprintf(mem_ctx,
"(&(|(objectclass=%s)(objectclass=%s))(|",
LDAP_OBJ_GROUPMAP, LDAP_OBJ_IDMAP_ENTRY);
for (i=0; i<num_members; i++)
filter = talloc_asprintf(mem_ctx, "%s(sambaSIDList=%s)",
filter,
sid_string_static(&members[i]));
filter = talloc_asprintf(mem_ctx, "%s))", filter);
rc = smbldap_search(ldap_state->smbldap_state, lp_ldap_group_suffix(),
LDAP_SCOPE_SUBTREE, filter, attrs, 0, &result);
talloc_destroy(mem_ctx);
if (rc != LDAP_SUCCESS)
return NT_STATUS_UNSUCCESSFUL;
*aliases = NULL;
*num_aliases = 0;
ldap_struct = ldap_state->smbldap_state->ldap_struct;
for (entry = ldap_first_entry(ldap_struct, result);
entry != NULL;
entry = ldap_next_entry(ldap_struct, entry))
{
fstring sid_str;
DOM_SID sid;
if (!smbldap_get_single_attribute(ldap_struct, entry,
LDAP_ATTRIBUTE_SID,
sid_str,
sizeof(sid_str)-1))
continue;
if (!string_to_sid(&sid, sid_str))
continue;
add_sid_to_array_unique(&sid, aliases, num_aliases);
}
ldap_msgfree(result);
return NT_STATUS_OK;
}
/**********************************************************************
Housekeeping
*********************************************************************/
static void free_private_data(void **vp)
{
struct ldapsam_privates **ldap_state = (struct ldapsam_privates **)vp;
smbldap_free_struct(&(*ldap_state)->smbldap_state);
if ((*ldap_state)->result != NULL) {
ldap_msgfree((*ldap_state)->result);
(*ldap_state)->result = NULL;
}
*ldap_state = NULL;
/* No need to free any further, as it is talloc()ed */
}
/**********************************************************************
Intitalise the parts of the pdb_context that are common to all pdb_ldap modes
*********************************************************************/
static NTSTATUS pdb_init_ldapsam_common(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method,
const char *location)
{
NTSTATUS nt_status;
struct ldapsam_privates *ldap_state;
if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) {
return nt_status;
}
(*pdb_method)->name = "ldapsam";
(*pdb_method)->setsampwent = ldapsam_setsampwent;
(*pdb_method)->endsampwent = ldapsam_endsampwent;
(*pdb_method)->getsampwent = ldapsam_getsampwent;
(*pdb_method)->getsampwnam = ldapsam_getsampwnam;
(*pdb_method)->getsampwsid = ldapsam_getsampwsid;
(*pdb_method)->add_sam_account = ldapsam_add_sam_account;
(*pdb_method)->update_sam_account = ldapsam_update_sam_account;
(*pdb_method)->delete_sam_account = ldapsam_delete_sam_account;
(*pdb_method)->getgrsid = ldapsam_getgrsid;
(*pdb_method)->getgrgid = ldapsam_getgrgid;
(*pdb_method)->getgrnam = ldapsam_getgrnam;
(*pdb_method)->add_group_mapping_entry = ldapsam_add_group_mapping_entry;
(*pdb_method)->update_group_mapping_entry = ldapsam_update_group_mapping_entry;
(*pdb_method)->delete_group_mapping_entry = ldapsam_delete_group_mapping_entry;
(*pdb_method)->enum_group_mapping = ldapsam_enum_group_mapping;
/* TODO: Setup private data and free */
ldap_state = talloc_zero(pdb_context->mem_ctx, sizeof(*ldap_state));
if (!ldap_state) {
DEBUG(0, ("pdb_init_ldapsam_common: talloc() failed for ldapsam private_data!\n"));
return NT_STATUS_NO_MEMORY;
}
if (!NT_STATUS_IS_OK(nt_status =
smbldap_init(pdb_context->mem_ctx, location,
&ldap_state->smbldap_state)));
ldap_state->domain_name = talloc_strdup(pdb_context->mem_ctx, get_global_sam_name());
if (!ldap_state->domain_name) {
return NT_STATUS_NO_MEMORY;
}
(*pdb_method)->private_data = ldap_state;
(*pdb_method)->free_private_data = free_private_data;
return NT_STATUS_OK;
}
/**********************************************************************
Initialise the 'compat' mode for pdb_ldap
*********************************************************************/
static NTSTATUS pdb_init_ldapsam_compat(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
{
NTSTATUS nt_status;
struct ldapsam_privates *ldap_state;
#ifdef WITH_LDAP_SAMCONFIG
if (!location) {
int ldap_port = lp_ldap_port();
/* remap default port if not using SSL (ie clear or TLS) */
if ( (lp_ldap_ssl() != LDAP_SSL_ON) && (ldap_port == 636) ) {
ldap_port = 389;
}
location = talloc_asprintf(pdb_context->mem_ctx, "%s://%s:%d", lp_ldap_ssl() == LDAP_SSL_ON ? "ldaps" : "ldap", lp_ldap_server(), ldap_port);
if (!location) {
return NT_STATUS_NO_MEMORY;
}
}
#endif
if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common(pdb_context, pdb_method, location))) {
return nt_status;
}
(*pdb_method)->name = "ldapsam_compat";
ldap_state = (*pdb_method)->private_data;
ldap_state->schema_ver = SCHEMAVER_SAMBAACCOUNT;
sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
return NT_STATUS_OK;
}
/**********************************************************************
Initialise the normal mode for pdb_ldap
*********************************************************************/
static NTSTATUS pdb_init_ldapsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
{
NTSTATUS nt_status;
struct ldapsam_privates *ldap_state;
uint32 alg_rid_base;
pstring alg_rid_base_string;
LDAPMessage *result = NULL;
LDAPMessage *entry = NULL;
DOM_SID ldap_domain_sid;
DOM_SID secrets_domain_sid;
pstring domain_sid_string;
if (!NT_STATUS_IS_OK(nt_status = pdb_init_ldapsam_common(pdb_context, pdb_method, location))) {
return nt_status;
}
(*pdb_method)->name = "ldapsam";
(*pdb_method)->add_aliasmem = ldapsam_add_aliasmem;
(*pdb_method)->del_aliasmem = ldapsam_del_aliasmem;
(*pdb_method)->enum_aliasmem = ldapsam_enum_aliasmem;
(*pdb_method)->enum_alias_memberships = ldapsam_alias_memberships;
ldap_state = (*pdb_method)->private_data;
ldap_state->schema_ver = SCHEMAVER_SAMBASAMACCOUNT;
/* Try to setup the Domain Name, Domain SID, algorithmic rid base */
nt_status = smbldap_search_domain_info(ldap_state->smbldap_state, &result,
ldap_state->domain_name, True);
if ( !NT_STATUS_IS_OK(nt_status) ) {
DEBUG(2, ("pdb_init_ldapsam: WARNING: Could not get domain info, nor add one to the domain\n"));
DEBUGADD(2, ("pdb_init_ldapsam: Continuing on regardless, will be unable to allocate new users/groups, \
and will risk BDCs having inconsistant SIDs\n"));
sid_copy(&ldap_state->domain_sid, get_global_sam_sid());
return NT_STATUS_OK;
}
/* Given that the above might fail, everything below this must be optional */
entry = ldap_first_entry(ldap_state->smbldap_state->ldap_struct, result);
if (!entry) {
DEBUG(0, ("pdb_init_ldapsam: Could not get domain info entry\n"));
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_userattr_key2string(ldap_state->schema_ver, LDAP_ATTR_USER_SID),
domain_sid_string)) {
BOOL found_sid;
if (!string_to_sid(&ldap_domain_sid, domain_sid_string)) {
DEBUG(1, ("pdb_init_ldapsam: SID [%s] could not be read as a valid SID\n", domain_sid_string));
return NT_STATUS_INVALID_PARAMETER;
}
found_sid = secrets_fetch_domain_sid(ldap_state->domain_name, &secrets_domain_sid);
if (!found_sid || !sid_equal(&secrets_domain_sid, &ldap_domain_sid)) {
fstring new_sid_str, old_sid_str;
DEBUG(1, ("pdb_init_ldapsam: Resetting SID for domain %s based on pdb_ldap results %s -> %s\n",
ldap_state->domain_name,
sid_to_string(old_sid_str, &secrets_domain_sid),
sid_to_string(new_sid_str, &ldap_domain_sid)));
/* reset secrets.tdb sid */
secrets_store_domain_sid(ldap_state->domain_name, &ldap_domain_sid);
DEBUG(1, ("New global sam SID: %s\n", sid_to_string(new_sid_str, get_global_sam_sid())));
}
sid_copy(&ldap_state->domain_sid, &ldap_domain_sid);
}
if (smbldap_get_single_pstring(ldap_state->smbldap_state->ldap_struct, entry,
get_attr_key2string( dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE ),
alg_rid_base_string)) {
alg_rid_base = (uint32)atol(alg_rid_base_string);
if (alg_rid_base != algorithmic_rid_base()) {
DEBUG(0, ("The value of 'algorithmic RID base' has changed since the LDAP\n"
"database was initialised. Aborting. \n"));
ldap_msgfree(result);
return NT_STATUS_UNSUCCESSFUL;
}
}
ldap_msgfree(result);
return NT_STATUS_OK;
}
NTSTATUS pdb_ldap_init(void)
{
NTSTATUS nt_status;
if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam", pdb_init_ldapsam)))
return nt_status;
if (!NT_STATUS_IS_OK(nt_status = smb_register_passdb(PASSDB_INTERFACE_VERSION, "ldapsam_compat", pdb_init_ldapsam_compat)))
return nt_status;
return NT_STATUS_OK;
}
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