mirror of
https://github.com/samba-team/samba.git
synced 2024-12-25 23:21:54 +03:00
3a5dc7c2ec
to pstr_sprintf() and fstr_sprintf() to try to standardize.
lots of snprintf() calls were using len-1; some were using
len. At least this helps to be consistent.
(This used to be commit 9f835b85dd
)
1305 lines
37 KiB
C
1305 lines
37 KiB
C
/*
|
|
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.
|
|
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "smbldap.h"
|
|
|
|
#ifndef LDAP_OPT_SUCCESS
|
|
#define LDAP_OPT_SUCCESS 0
|
|
#endif
|
|
|
|
/* Try not to hit the up or down server forever */
|
|
|
|
#define SMBLDAP_DONT_PING_TIME 10 /* ping only all 10 seconds */
|
|
#define SMBLDAP_NUM_RETRIES 8 /* retry only 8 times */
|
|
|
|
#define SMBLDAP_IDLE_TIME 150 /* After 2.5 minutes disconnect */
|
|
|
|
|
|
/* attributes used by Samba 2.2 */
|
|
|
|
ATTRIB_MAP_ENTRY attrib_map_v22[] = {
|
|
{ LDAP_ATTR_UID, "uid" },
|
|
{ LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
|
|
{ LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
|
|
{ LDAP_ATTR_UNIX_HOME, "homeDirectory" },
|
|
{ LDAP_ATTR_PWD_LAST_SET, "pwdLastSet" },
|
|
{ LDAP_ATTR_PWD_CAN_CHANGE, "pwdCanChange" },
|
|
{ LDAP_ATTR_PWD_MUST_CHANGE, "pwdMustChange" },
|
|
{ LDAP_ATTR_LOGON_TIME, "logonTime" },
|
|
{ LDAP_ATTR_LOGOFF_TIME, "logoffTime" },
|
|
{ LDAP_ATTR_KICKOFF_TIME, "kickoffTime" },
|
|
{ LDAP_ATTR_CN, "cn" },
|
|
{ LDAP_ATTR_DISPLAY_NAME, "displayName" },
|
|
{ LDAP_ATTR_HOME_PATH, "smbHome" },
|
|
{ LDAP_ATTR_HOME_DRIVE, "homeDrives" },
|
|
{ LDAP_ATTR_LOGON_SCRIPT, "scriptPath" },
|
|
{ LDAP_ATTR_PROFILE_PATH, "profilePath" },
|
|
{ LDAP_ATTR_DESC, "description" },
|
|
{ LDAP_ATTR_USER_WKS, "userWorkstations"},
|
|
{ LDAP_ATTR_USER_RID, "rid" },
|
|
{ LDAP_ATTR_PRIMARY_GROUP_RID, "primaryGroupID"},
|
|
{ LDAP_ATTR_LMPW, "lmPassword" },
|
|
{ LDAP_ATTR_NTPW, "ntPassword" },
|
|
{ LDAP_ATTR_DOMAIN, "domain" },
|
|
{ LDAP_ATTR_OBJCLASS, "objectClass" },
|
|
{ LDAP_ATTR_ACB_INFO, "acctFlags" },
|
|
{ LDAP_ATTR_LIST_END, NULL }
|
|
};
|
|
|
|
/* attributes used by Samba 3.0's sambaSamAccount */
|
|
|
|
ATTRIB_MAP_ENTRY attrib_map_v30[] = {
|
|
{ LDAP_ATTR_UID, "uid" },
|
|
{ LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
|
|
{ LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
|
|
{ LDAP_ATTR_UNIX_HOME, "homeDirectory" },
|
|
{ LDAP_ATTR_PWD_LAST_SET, "sambaPwdLastSet" },
|
|
{ LDAP_ATTR_PWD_CAN_CHANGE, "sambaPwdCanChange" },
|
|
{ LDAP_ATTR_PWD_MUST_CHANGE, "sambaPwdMustChange" },
|
|
{ LDAP_ATTR_LOGON_TIME, "sambaLogonTime" },
|
|
{ LDAP_ATTR_LOGOFF_TIME, "sambaLogoffTime" },
|
|
{ LDAP_ATTR_KICKOFF_TIME, "sambaKickoffTime" },
|
|
{ LDAP_ATTR_CN, "cn" },
|
|
{ LDAP_ATTR_DISPLAY_NAME, "displayName" },
|
|
{ LDAP_ATTR_HOME_DRIVE, "sambaHomeDrive" },
|
|
{ LDAP_ATTR_HOME_PATH, "sambaHomePath" },
|
|
{ LDAP_ATTR_LOGON_SCRIPT, "sambaLogonScript" },
|
|
{ LDAP_ATTR_PROFILE_PATH, "sambaProfilePath" },
|
|
{ LDAP_ATTR_DESC, "description" },
|
|
{ LDAP_ATTR_USER_WKS, "sambaUserWorkstations" },
|
|
{ LDAP_ATTR_USER_SID, LDAP_ATTRIBUTE_SID },
|
|
{ LDAP_ATTR_PRIMARY_GROUP_SID, "sambaPrimaryGroupSID" },
|
|
{ LDAP_ATTR_LMPW, "sambaLMPassword" },
|
|
{ LDAP_ATTR_NTPW, "sambaNTPassword" },
|
|
{ LDAP_ATTR_DOMAIN, "sambaDomainName" },
|
|
{ LDAP_ATTR_OBJCLASS, "objectClass" },
|
|
{ LDAP_ATTR_ACB_INFO, "sambaAcctFlags" },
|
|
{ LDAP_ATTR_LIST_END, NULL }
|
|
};
|
|
|
|
/* attributes used for alalocating RIDs */
|
|
|
|
ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
|
|
{ LDAP_ATTR_DOMAIN, "sambaDomainName" },
|
|
{ LDAP_ATTR_NEXT_RID, "sambaNextRid" },
|
|
{ LDAP_ATTR_NEXT_USERRID, "sambaNextUserRid" },
|
|
{ LDAP_ATTR_NEXT_GROUPRID, "sambaNextGroupRid" },
|
|
{ LDAP_ATTR_DOM_SID, LDAP_ATTRIBUTE_SID },
|
|
{ LDAP_ATTR_ALGORITHMIC_RID_BASE,"sambaAlgorithmicRidBase"},
|
|
{ LDAP_ATTR_OBJCLASS, "objectClass" },
|
|
{ LDAP_ATTR_LIST_END, NULL },
|
|
};
|
|
|
|
/* Samba 3.0 group mapping attributes */
|
|
|
|
ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
|
|
{ LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
|
|
{ LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
|
|
{ LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
|
|
{ LDAP_ATTR_DESC, "description" },
|
|
{ LDAP_ATTR_DISPLAY_NAME, "displayName" },
|
|
{ LDAP_ATTR_CN, "cn" },
|
|
{ LDAP_ATTR_OBJCLASS, "objectClass" },
|
|
{ LDAP_ATTR_LIST_END, NULL }
|
|
};
|
|
|
|
ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
|
|
{ LDAP_ATTR_GROUP_SID, LDAP_ATTRIBUTE_SID },
|
|
{ LDAP_ATTR_GROUP_TYPE, "sambaGroupType" },
|
|
{ LDAP_ATTR_DESC, "description" },
|
|
{ LDAP_ATTR_DISPLAY_NAME, "displayName" },
|
|
{ LDAP_ATTR_LIST_END, NULL }
|
|
};
|
|
|
|
/* idmap_ldap sambaUnixIdPool */
|
|
|
|
ATTRIB_MAP_ENTRY idpool_attr_list[] = {
|
|
{ LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
|
|
{ LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
|
|
{ LDAP_ATTR_OBJCLASS, "objectClass" },
|
|
{ LDAP_ATTR_LIST_END, NULL }
|
|
};
|
|
|
|
ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
|
|
{ LDAP_ATTR_SID, LDAP_ATTRIBUTE_SID },
|
|
{ LDAP_ATTR_UIDNUMBER, LDAP_ATTRIBUTE_UIDNUMBER},
|
|
{ LDAP_ATTR_GIDNUMBER, LDAP_ATTRIBUTE_GIDNUMBER},
|
|
{ LDAP_ATTR_OBJCLASS, "objectClass" },
|
|
{ LDAP_ATTR_LIST_END, NULL }
|
|
};
|
|
|
|
/**********************************************************************
|
|
perform a simple table lookup and return the attribute name
|
|
**********************************************************************/
|
|
|
|
const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
|
|
{
|
|
int i = 0;
|
|
|
|
while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
|
|
if ( table[i].attrib == key )
|
|
return table[i].name;
|
|
i++;
|
|
}
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
Return the list of attribute names from a mapping table
|
|
**********************************************************************/
|
|
|
|
char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
|
|
{
|
|
char **names;
|
|
int i = 0;
|
|
|
|
while ( table[i].attrib != LDAP_ATTR_LIST_END )
|
|
i++;
|
|
i++;
|
|
|
|
names = (char**)malloc( sizeof(char*)*i );
|
|
if ( !names ) {
|
|
DEBUG(0,("get_attr_list: out of memory\n"));
|
|
return NULL;
|
|
}
|
|
|
|
i = 0;
|
|
while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
|
|
names[i] = strdup( table[i].name );
|
|
i++;
|
|
}
|
|
names[i] = NULL;
|
|
|
|
return names;
|
|
}
|
|
|
|
/*********************************************************************
|
|
Cleanup
|
|
********************************************************************/
|
|
|
|
void free_attr_list( char **list )
|
|
{
|
|
int i = 0;
|
|
|
|
if ( !list )
|
|
return;
|
|
|
|
while ( list[i] ) {
|
|
SAFE_FREE( list[i] );
|
|
i+=1;
|
|
}
|
|
|
|
SAFE_FREE( list );
|
|
}
|
|
|
|
/*******************************************************************
|
|
find the ldap password
|
|
******************************************************************/
|
|
BOOL fetch_ldap_pw(char **dn, char** pw)
|
|
{
|
|
char *key = NULL;
|
|
size_t size;
|
|
|
|
*dn = smb_xstrdup(lp_ldap_admin_dn());
|
|
|
|
if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
|
|
SAFE_FREE(*dn);
|
|
DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
|
|
}
|
|
|
|
*pw=secrets_fetch(key, &size);
|
|
SAFE_FREE(key);
|
|
|
|
if (!size) {
|
|
/* Upgrade 2.2 style entry */
|
|
char *p;
|
|
char* old_style_key = strdup(*dn);
|
|
char *data;
|
|
fstring old_style_pw;
|
|
|
|
if (!old_style_key) {
|
|
DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
|
|
return False;
|
|
}
|
|
|
|
for (p=old_style_key; *p; p++)
|
|
if (*p == ',') *p = '/';
|
|
|
|
data=secrets_fetch(old_style_key, &size);
|
|
if (!size && size < sizeof(old_style_pw)) {
|
|
DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
|
|
SAFE_FREE(old_style_key);
|
|
SAFE_FREE(*dn);
|
|
return False;
|
|
}
|
|
|
|
strncpy(old_style_pw, data, size);
|
|
old_style_pw[size] = 0;
|
|
|
|
SAFE_FREE(data);
|
|
|
|
if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
|
|
DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
|
|
SAFE_FREE(old_style_key);
|
|
SAFE_FREE(*dn);
|
|
return False;
|
|
}
|
|
if (!secrets_delete(old_style_key)) {
|
|
DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
|
|
}
|
|
|
|
SAFE_FREE(old_style_key);
|
|
|
|
*pw = smb_xstrdup(old_style_pw);
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
/*******************************************************************
|
|
search an attribute and return the first value found.
|
|
******************************************************************/
|
|
BOOL smbldap_get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
|
|
const char *attribute, pstring value)
|
|
{
|
|
char **values;
|
|
|
|
if ( !attribute )
|
|
return False;
|
|
|
|
value[0] = '\0';
|
|
|
|
if ((values = ldap_get_values (ldap_struct, entry, attribute)) == NULL) {
|
|
DEBUG (10, ("smbldap_get_single_attribute: [%s] = [<does not exist>]\n", attribute));
|
|
|
|
return False;
|
|
}
|
|
|
|
if (convert_string(CH_UTF8, CH_UNIX,values[0], -1, value, sizeof(pstring)) == (size_t)-1)
|
|
{
|
|
DEBUG(1, ("smbldap_get_single_attribute: string conversion of [%s] = [%s] failed!\n",
|
|
attribute, values[0]));
|
|
ldap_value_free(values);
|
|
return False;
|
|
}
|
|
|
|
ldap_value_free(values);
|
|
#ifdef DEBUG_PASSWORDS
|
|
DEBUG (100, ("smbldap_get_single_attribute: [%s] = [%s]\n", attribute, value));
|
|
#endif
|
|
return True;
|
|
}
|
|
|
|
/************************************************************************
|
|
Routine to manage the LDAPMod structure array
|
|
manage memory used by the array, by each struct, and values
|
|
***********************************************************************/
|
|
|
|
void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
|
|
{
|
|
LDAPMod **mods;
|
|
int i;
|
|
int j;
|
|
|
|
mods = *modlist;
|
|
|
|
/* sanity checks on the mod values */
|
|
|
|
if (attribute == NULL || *attribute == '\0')
|
|
return;
|
|
#if 0 /* commented out after discussion with abartlet. Do not reenable.
|
|
left here so other so re-add similar code --jerry */
|
|
if (value == NULL || *value == '\0')
|
|
return;
|
|
#endif
|
|
|
|
if (mods == NULL)
|
|
{
|
|
mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
|
|
if (mods == NULL)
|
|
{
|
|
DEBUG(0, ("make_a_mod: out of memory!\n"));
|
|
return;
|
|
}
|
|
mods[0] = NULL;
|
|
}
|
|
|
|
for (i = 0; mods[i] != NULL; ++i) {
|
|
if (mods[i]->mod_op == modop && !strcasecmp(mods[i]->mod_type, attribute))
|
|
break;
|
|
}
|
|
|
|
if (mods[i] == NULL)
|
|
{
|
|
mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
|
|
if (mods == NULL)
|
|
{
|
|
DEBUG(0, ("make_a_mod: out of memory!\n"));
|
|
return;
|
|
}
|
|
mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod));
|
|
if (mods[i] == NULL)
|
|
{
|
|
DEBUG(0, ("make_a_mod: out of memory!\n"));
|
|
return;
|
|
}
|
|
mods[i]->mod_op = modop;
|
|
mods[i]->mod_values = NULL;
|
|
mods[i]->mod_type = strdup(attribute);
|
|
mods[i + 1] = NULL;
|
|
}
|
|
|
|
if (value != NULL)
|
|
{
|
|
char *utf8_value = NULL;
|
|
|
|
j = 0;
|
|
if (mods[i]->mod_values != NULL) {
|
|
for (; mods[i]->mod_values[j] != NULL; j++);
|
|
}
|
|
mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values,
|
|
(j + 2) * sizeof (char *));
|
|
|
|
if (mods[i]->mod_values == NULL) {
|
|
DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
|
|
return;
|
|
}
|
|
|
|
if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
|
|
DEBUG (0, ("make_a_mod: String conversion failure!\n"));
|
|
return;
|
|
}
|
|
|
|
mods[i]->mod_values[j] = utf8_value;
|
|
|
|
mods[i]->mod_values[j + 1] = NULL;
|
|
}
|
|
*modlist = mods;
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
Set attribute to newval in LDAP, regardless of what value the
|
|
attribute had in LDAP before.
|
|
*********************************************************************/
|
|
void smbldap_make_mod(LDAP *ldap_struct, LDAPMessage *existing,
|
|
LDAPMod ***mods,
|
|
const char *attribute, const char *newval)
|
|
{
|
|
char **values = NULL;
|
|
|
|
if (existing != NULL) {
|
|
values = ldap_get_values(ldap_struct, existing, attribute);
|
|
}
|
|
|
|
/* all of our string attributes are case insensitive */
|
|
|
|
if ((values != NULL) && (values[0] != NULL) &&
|
|
StrCaseCmp(values[0], newval) == 0)
|
|
{
|
|
|
|
/* Believe it or not, but LDAP will deny a delete and
|
|
an add at the same time if the values are the
|
|
same... */
|
|
|
|
ldap_value_free(values);
|
|
return;
|
|
}
|
|
|
|
/* Regardless of the real operation (add or modify)
|
|
we add the new value here. We rely on deleting
|
|
the old value, should it exist. */
|
|
|
|
if ((newval != NULL) && (strlen(newval) > 0)) {
|
|
smbldap_set_mod(mods, LDAP_MOD_ADD, attribute, newval);
|
|
}
|
|
|
|
if (values == NULL) {
|
|
/* There has been no value before, so don't delete it.
|
|
Here's a possible race: We might end up with
|
|
duplicate attributes */
|
|
return;
|
|
}
|
|
|
|
/* By deleting exactly the value we found in the entry this
|
|
should be race-free in the sense that the LDAP-Server will
|
|
deny the complete operation if somebody changed the
|
|
attribute behind our back. */
|
|
|
|
smbldap_set_mod(mods, LDAP_MOD_DELETE, attribute, values[0]);
|
|
ldap_value_free(values);
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
Some varients of the LDAP rebind code do not pass in the third 'arg'
|
|
pointer to a void*, so we try and work around it by assuming that the
|
|
value of the 'LDAP *' pointer is the same as the one we had passed in
|
|
**********************************************************************/
|
|
|
|
struct smbldap_state_lookup {
|
|
LDAP *ld;
|
|
struct smbldap_state *smbldap_state;
|
|
struct smbldap_state_lookup *prev, *next;
|
|
};
|
|
|
|
static struct smbldap_state_lookup *smbldap_state_lookup_list;
|
|
|
|
static struct smbldap_state *smbldap_find_state(LDAP *ld)
|
|
{
|
|
struct smbldap_state_lookup *t;
|
|
|
|
for (t = smbldap_state_lookup_list; t; t = t->next) {
|
|
if (t->ld == ld) {
|
|
return t->smbldap_state;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static void smbldap_delete_state(struct smbldap_state *smbldap_state)
|
|
{
|
|
struct smbldap_state_lookup *t;
|
|
|
|
for (t = smbldap_state_lookup_list; t; t = t->next) {
|
|
if (t->smbldap_state == smbldap_state) {
|
|
DLIST_REMOVE(smbldap_state_lookup_list, t);
|
|
SAFE_FREE(t);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void smbldap_store_state(LDAP *ld, struct smbldap_state *smbldap_state)
|
|
{
|
|
struct smbldap_state *tmp_ldap_state;
|
|
struct smbldap_state_lookup *t;
|
|
struct smbldap_state_lookup *tmp;
|
|
|
|
if ((tmp_ldap_state = smbldap_find_state(ld))) {
|
|
SMB_ASSERT(tmp_ldap_state == smbldap_state);
|
|
return;
|
|
}
|
|
|
|
t = smb_xmalloc(sizeof(*t));
|
|
ZERO_STRUCTP(t);
|
|
|
|
DLIST_ADD_END(smbldap_state_lookup_list, t, tmp);
|
|
t->ld = ld;
|
|
t->smbldap_state = smbldap_state;
|
|
}
|
|
|
|
/*******************************************************************
|
|
open a connection to the ldap server.
|
|
******************************************************************/
|
|
static int smbldap_open_connection (struct smbldap_state *ldap_state)
|
|
|
|
{
|
|
int rc = LDAP_SUCCESS;
|
|
int version;
|
|
BOOL ldap_v3 = False;
|
|
LDAP **ldap_struct = &ldap_state->ldap_struct;
|
|
|
|
#ifdef HAVE_LDAP_INITIALIZE
|
|
DEBUG(10, ("smbldap_open_connection: %s\n", ldap_state->uri));
|
|
|
|
if ((rc = ldap_initialize(ldap_struct, ldap_state->uri)) != LDAP_SUCCESS) {
|
|
DEBUG(0, ("ldap_initialize: %s\n", ldap_err2string(rc)));
|
|
return rc;
|
|
}
|
|
#else
|
|
|
|
/* Parse the string manually */
|
|
|
|
{
|
|
int port = 0;
|
|
fstring protocol;
|
|
fstring host;
|
|
const char *p = ldap_state->uri;
|
|
SMB_ASSERT(sizeof(protocol)>10 && sizeof(host)>254);
|
|
|
|
/* skip leading "URL:" (if any) */
|
|
if ( strncasecmp( p, "URL:", 4 ) == 0 ) {
|
|
p += 4;
|
|
}
|
|
|
|
sscanf(p, "%10[^:]://%254s[^:]:%d", protocol, host, &port);
|
|
|
|
if (port == 0) {
|
|
if (strequal(protocol, "ldap")) {
|
|
port = LDAP_PORT;
|
|
} else if (strequal(protocol, "ldaps")) {
|
|
port = LDAPS_PORT;
|
|
} else {
|
|
DEBUG(0, ("unrecognised protocol (%s)!\n", protocol));
|
|
}
|
|
}
|
|
|
|
if ((*ldap_struct = ldap_init(host, port)) == NULL) {
|
|
DEBUG(0, ("ldap_init failed !\n"));
|
|
return LDAP_OPERATIONS_ERROR;
|
|
}
|
|
|
|
if (strequal(protocol, "ldaps")) {
|
|
#ifdef LDAP_OPT_X_TLS
|
|
int tls = LDAP_OPT_X_TLS_HARD;
|
|
if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
|
|
{
|
|
DEBUG(0, ("Failed to setup a TLS session\n"));
|
|
}
|
|
|
|
DEBUG(3,("LDAPS option set...!\n"));
|
|
#else
|
|
DEBUG(0,("smbldap_open_connection: Secure connection not supported by LDAP client libraries!\n"));
|
|
return LDAP_OPERATIONS_ERROR;
|
|
#endif
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* Store the LDAP pointer in a lookup list */
|
|
|
|
smbldap_store_state(*ldap_struct, ldap_state);
|
|
|
|
/* Upgrade to LDAPv3 if possible */
|
|
|
|
if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
|
|
{
|
|
if (version != LDAP_VERSION3)
|
|
{
|
|
version = LDAP_VERSION3;
|
|
if (ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS) {
|
|
ldap_v3 = True;
|
|
}
|
|
} else {
|
|
ldap_v3 = True;
|
|
}
|
|
}
|
|
|
|
if (lp_ldap_ssl() == LDAP_SSL_START_TLS) {
|
|
#ifdef LDAP_OPT_X_TLS
|
|
if (ldap_v3) {
|
|
if ((rc = ldap_start_tls_s (*ldap_struct, NULL, NULL)) != LDAP_SUCCESS)
|
|
{
|
|
DEBUG(0,("Failed to issue the StartTLS instruction: %s\n",
|
|
ldap_err2string(rc)));
|
|
return rc;
|
|
}
|
|
DEBUG (3, ("StartTLS issued: using a TLS connection\n"));
|
|
} else {
|
|
|
|
DEBUG(0, ("Need LDAPv3 for Start TLS\n"));
|
|
return LDAP_OPERATIONS_ERROR;
|
|
}
|
|
#else
|
|
DEBUG(0,("smbldap_open_connection: StartTLS not supported by LDAP client libraries!\n"));
|
|
return LDAP_OPERATIONS_ERROR;
|
|
#endif
|
|
}
|
|
|
|
DEBUG(2, ("smbldap_open_connection: connection opened\n"));
|
|
return rc;
|
|
}
|
|
|
|
|
|
/*******************************************************************
|
|
a rebind function for authenticated referrals
|
|
This version takes a void* that we can shove useful stuff in :-)
|
|
******************************************************************/
|
|
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
|
|
#else
|
|
static int rebindproc_with_state (LDAP * ld, char **whop, char **credp,
|
|
int *methodp, int freeit, void *arg)
|
|
{
|
|
struct smbldap_state *ldap_state = arg;
|
|
|
|
/** @TODO Should we be doing something to check what servers we rebind to?
|
|
Could we get a referral to a machine that we don't want to give our
|
|
username and password to? */
|
|
|
|
if (freeit) {
|
|
SAFE_FREE(*whop);
|
|
memset(*credp, '\0', strlen(*credp));
|
|
SAFE_FREE(*credp);
|
|
} else {
|
|
DEBUG(5,("rebind_proc_with_state: Rebinding as \"%s\"\n",
|
|
ldap_state->bind_dn));
|
|
|
|
*whop = strdup(ldap_state->bind_dn);
|
|
if (!*whop) {
|
|
return LDAP_NO_MEMORY;
|
|
}
|
|
*credp = strdup(ldap_state->bind_secret);
|
|
if (!*credp) {
|
|
SAFE_FREE(*whop);
|
|
return LDAP_NO_MEMORY;
|
|
}
|
|
*methodp = LDAP_AUTH_SIMPLE;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
|
|
|
|
/*******************************************************************
|
|
a rebind function for authenticated referrals
|
|
This version takes a void* that we can shove useful stuff in :-)
|
|
and actually does the connection.
|
|
******************************************************************/
|
|
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
|
|
static int rebindproc_connect_with_state (LDAP *ldap_struct,
|
|
LDAP_CONST char *url,
|
|
ber_tag_t request,
|
|
ber_int_t msgid, void *arg)
|
|
{
|
|
struct smbldap_state *ldap_state = arg;
|
|
int rc;
|
|
DEBUG(5,("rebindproc_connect_with_state: Rebinding as \"%s\"\n",
|
|
ldap_state->bind_dn));
|
|
|
|
/** @TODO Should we be doing something to check what servers we rebind to?
|
|
Could we get a referral to a machine that we don't want to give our
|
|
username and password to? */
|
|
|
|
rc = ldap_simple_bind_s(ldap_struct, ldap_state->bind_dn, ldap_state->bind_secret);
|
|
|
|
return rc;
|
|
}
|
|
#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
|
|
|
|
/*******************************************************************
|
|
Add a rebind function for authenticated referrals
|
|
******************************************************************/
|
|
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
|
|
#else
|
|
# if LDAP_SET_REBIND_PROC_ARGS == 2
|
|
static int rebindproc (LDAP *ldap_struct, char **whop, char **credp,
|
|
int *method, int freeit )
|
|
{
|
|
struct smbldap_state *ldap_state = smbldap_find_state(ldap_struct);
|
|
|
|
return rebindproc_with_state(ldap_struct, whop, credp,
|
|
method, freeit, ldap_state);
|
|
|
|
}
|
|
# endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
|
|
#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
|
|
|
|
/*******************************************************************
|
|
a rebind function for authenticated referrals
|
|
this also does the connection, but no void*.
|
|
******************************************************************/
|
|
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
|
|
# if LDAP_SET_REBIND_PROC_ARGS == 2
|
|
static int rebindproc_connect (LDAP * ld, LDAP_CONST char *url, int request,
|
|
ber_int_t msgid)
|
|
{
|
|
struct smbldap_state *ldap_state = smbldap_find_state(ld);
|
|
|
|
return rebindproc_connect_with_state(ld, url, (ber_tag_t)request, msgid,
|
|
ldap_state);
|
|
}
|
|
# endif /*LDAP_SET_REBIND_PROC_ARGS == 2*/
|
|
#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
|
|
|
|
/*******************************************************************
|
|
connect to the ldap server under system privilege.
|
|
******************************************************************/
|
|
static int smbldap_connect_system(struct smbldap_state *ldap_state, LDAP * ldap_struct)
|
|
{
|
|
int rc;
|
|
char *ldap_dn;
|
|
char *ldap_secret;
|
|
|
|
/* get the password */
|
|
if (!fetch_ldap_pw(&ldap_dn, &ldap_secret))
|
|
{
|
|
DEBUG(0, ("ldap_connect_system: Failed to retrieve password from secrets.tdb\n"));
|
|
return LDAP_INVALID_CREDENTIALS;
|
|
}
|
|
|
|
ldap_state->bind_dn = ldap_dn;
|
|
ldap_state->bind_secret = ldap_secret;
|
|
|
|
/* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
|
|
(OpenLDAP) doesnt' seem to support it */
|
|
|
|
DEBUG(10,("ldap_connect_system: Binding to ldap server %s as \"%s\"\n",
|
|
ldap_state->uri, ldap_dn));
|
|
|
|
#if defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)
|
|
# if LDAP_SET_REBIND_PROC_ARGS == 2
|
|
ldap_set_rebind_proc(ldap_struct, &rebindproc_connect);
|
|
# endif
|
|
# if LDAP_SET_REBIND_PROC_ARGS == 3
|
|
ldap_set_rebind_proc(ldap_struct, &rebindproc_connect_with_state, (void *)ldap_state);
|
|
# endif
|
|
#else /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
|
|
# if LDAP_SET_REBIND_PROC_ARGS == 2
|
|
ldap_set_rebind_proc(ldap_struct, &rebindproc);
|
|
# endif
|
|
# if LDAP_SET_REBIND_PROC_ARGS == 3
|
|
ldap_set_rebind_proc(ldap_struct, &rebindproc_with_state, (void *)ldap_state);
|
|
# endif
|
|
#endif /*defined(LDAP_API_FEATURE_X_OPENLDAP) && (LDAP_API_VERSION > 2000)*/
|
|
|
|
rc = ldap_simple_bind_s(ldap_struct, ldap_dn, ldap_secret);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
char *ld_error = NULL;
|
|
ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
|
|
&ld_error);
|
|
DEBUG(ldap_state->num_failures ? 2 : 0,
|
|
("failed to bind to server with dn= %s Error: %s\n\t%s\n",
|
|
ldap_dn ? ldap_dn : "(unknown)", ldap_err2string(rc),
|
|
ld_error ? ld_error : "(unknown)"));
|
|
SAFE_FREE(ld_error);
|
|
ldap_state->num_failures++;
|
|
return rc;
|
|
}
|
|
|
|
ldap_state->num_failures = 0;
|
|
|
|
DEBUG(3, ("ldap_connect_system: succesful connection to the LDAP server\n"));
|
|
return rc;
|
|
}
|
|
|
|
/**********************************************************************
|
|
Connect to LDAP server (called before every ldap operation)
|
|
*********************************************************************/
|
|
static int smbldap_open(struct smbldap_state *ldap_state)
|
|
{
|
|
int rc;
|
|
SMB_ASSERT(ldap_state);
|
|
|
|
#ifndef NO_LDAP_SECURITY
|
|
if (geteuid() != 0) {
|
|
DEBUG(0, ("smbldap_open: cannot access LDAP when not root..\n"));
|
|
return LDAP_INSUFFICIENT_ACCESS;
|
|
}
|
|
#endif
|
|
|
|
if ((ldap_state->ldap_struct != NULL) && ((ldap_state->last_ping + SMBLDAP_DONT_PING_TIME) < time(NULL))) {
|
|
struct sockaddr_un addr;
|
|
socklen_t len = sizeof(addr);
|
|
int sd;
|
|
if (ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_DESC, &sd) == 0 &&
|
|
getpeername(sd, (struct sockaddr *) &addr, &len) < 0) {
|
|
/* the other end has died. reopen. */
|
|
ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
|
|
ldap_state->ldap_struct = NULL;
|
|
ldap_state->last_ping = (time_t)0;
|
|
} else {
|
|
ldap_state->last_ping = time(NULL);
|
|
}
|
|
}
|
|
|
|
if (ldap_state->ldap_struct != NULL) {
|
|
DEBUG(11,("smbldap_open: already connected to the LDAP server\n"));
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
if ((rc = smbldap_open_connection(ldap_state))) {
|
|
return rc;
|
|
}
|
|
|
|
if ((rc = smbldap_connect_system(ldap_state, ldap_state->ldap_struct))) {
|
|
ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
|
|
ldap_state->ldap_struct = NULL;
|
|
return rc;
|
|
}
|
|
|
|
|
|
ldap_state->last_ping = time(NULL);
|
|
DEBUG(4,("The LDAP server is succesful connected\n"));
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
/**********************************************************************
|
|
Disconnect from LDAP server
|
|
*********************************************************************/
|
|
static NTSTATUS smbldap_close(struct smbldap_state *ldap_state)
|
|
{
|
|
if (!ldap_state)
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
|
|
if (ldap_state->ldap_struct != NULL) {
|
|
ldap_unbind_ext(ldap_state->ldap_struct, NULL, NULL);
|
|
ldap_state->ldap_struct = NULL;
|
|
}
|
|
|
|
smbldap_delete_state(ldap_state);
|
|
|
|
DEBUG(5,("The connection to the LDAP server was closed\n"));
|
|
/* maybe free the results here --metze */
|
|
|
|
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
int smbldap_retry_open(struct smbldap_state *ldap_state, int *attempts)
|
|
{
|
|
int rc;
|
|
|
|
SMB_ASSERT(ldap_state && attempts);
|
|
|
|
if (*attempts != 0) {
|
|
unsigned int sleep_time;
|
|
uint8 rand_byte;
|
|
|
|
/* Sleep for a random timeout */
|
|
rand_byte = (char)(sys_random());
|
|
|
|
sleep_time = (((*attempts)*(*attempts))/2)*rand_byte*2;
|
|
/* we retry after (0.5, 1, 2, 3, 4.5, 6) seconds
|
|
on average.
|
|
*/
|
|
DEBUG(3, ("Sleeping for %u milliseconds before reconnecting\n",
|
|
sleep_time));
|
|
msleep(sleep_time);
|
|
}
|
|
(*attempts)++;
|
|
|
|
if ((rc = smbldap_open(ldap_state))) {
|
|
DEBUG(1,("Connection to LDAP Server failed for the %d try!\n",*attempts));
|
|
return rc;
|
|
}
|
|
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
|
|
/*********************************************************************
|
|
********************************************************************/
|
|
|
|
int smbldap_search(struct smbldap_state *ldap_state,
|
|
const char *base, int scope, const char *filter,
|
|
char *attrs[], int attrsonly,
|
|
LDAPMessage **res)
|
|
{
|
|
int rc = LDAP_SERVER_DOWN;
|
|
int attempts = 0;
|
|
char *utf8_filter;
|
|
|
|
SMB_ASSERT(ldap_state);
|
|
|
|
if (push_utf8_allocate(&utf8_filter, filter) == (size_t)-1) {
|
|
return LDAP_NO_MEMORY;
|
|
}
|
|
|
|
while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
|
|
|
|
if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
|
|
continue;
|
|
|
|
rc = ldap_search_s(ldap_state->ldap_struct, base, scope,
|
|
utf8_filter, attrs, attrsonly, res);
|
|
}
|
|
|
|
if (rc == LDAP_SERVER_DOWN) {
|
|
DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
|
|
smbldap_close(ldap_state);
|
|
}
|
|
|
|
ldap_state->last_use = time(NULL);
|
|
|
|
SAFE_FREE(utf8_filter);
|
|
return rc;
|
|
}
|
|
|
|
int smbldap_modify(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
|
|
{
|
|
int rc = LDAP_SERVER_DOWN;
|
|
int attempts = 0;
|
|
char *utf8_dn;
|
|
|
|
SMB_ASSERT(ldap_state);
|
|
|
|
if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
|
|
return LDAP_NO_MEMORY;
|
|
}
|
|
|
|
while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
|
|
|
|
if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
|
|
continue;
|
|
|
|
rc = ldap_modify_s(ldap_state->ldap_struct, utf8_dn, attrs);
|
|
}
|
|
|
|
if (rc == LDAP_SERVER_DOWN) {
|
|
DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
|
|
smbldap_close(ldap_state);
|
|
}
|
|
|
|
ldap_state->last_use = time(NULL);
|
|
|
|
SAFE_FREE(utf8_dn);
|
|
return rc;
|
|
}
|
|
|
|
int smbldap_add(struct smbldap_state *ldap_state, const char *dn, LDAPMod *attrs[])
|
|
{
|
|
int rc = LDAP_SERVER_DOWN;
|
|
int attempts = 0;
|
|
char *utf8_dn;
|
|
|
|
SMB_ASSERT(ldap_state);
|
|
|
|
if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
|
|
return LDAP_NO_MEMORY;
|
|
}
|
|
|
|
while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
|
|
|
|
if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
|
|
continue;
|
|
|
|
rc = ldap_add_s(ldap_state->ldap_struct, utf8_dn, attrs);
|
|
}
|
|
|
|
if (rc == LDAP_SERVER_DOWN) {
|
|
DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
|
|
smbldap_close(ldap_state);
|
|
}
|
|
|
|
ldap_state->last_use = time(NULL);
|
|
|
|
SAFE_FREE(utf8_dn);
|
|
return rc;
|
|
}
|
|
|
|
int smbldap_delete(struct smbldap_state *ldap_state, const char *dn)
|
|
{
|
|
int rc = LDAP_SERVER_DOWN;
|
|
int attempts = 0;
|
|
char *utf8_dn;
|
|
|
|
SMB_ASSERT(ldap_state);
|
|
|
|
if (push_utf8_allocate(&utf8_dn, dn) == (size_t)-1) {
|
|
return LDAP_NO_MEMORY;
|
|
}
|
|
|
|
while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
|
|
|
|
if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
|
|
continue;
|
|
|
|
rc = ldap_delete_s(ldap_state->ldap_struct, utf8_dn);
|
|
}
|
|
|
|
if (rc == LDAP_SERVER_DOWN) {
|
|
DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
|
|
smbldap_close(ldap_state);
|
|
}
|
|
|
|
ldap_state->last_use = time(NULL);
|
|
|
|
SAFE_FREE(utf8_dn);
|
|
return rc;
|
|
}
|
|
|
|
int smbldap_extended_operation(struct smbldap_state *ldap_state,
|
|
LDAP_CONST char *reqoid, struct berval *reqdata,
|
|
LDAPControl **serverctrls, LDAPControl **clientctrls,
|
|
char **retoidp, struct berval **retdatap)
|
|
{
|
|
int rc = LDAP_SERVER_DOWN;
|
|
int attempts = 0;
|
|
|
|
if (!ldap_state)
|
|
return (-1);
|
|
|
|
while ((rc == LDAP_SERVER_DOWN) && (attempts < SMBLDAP_NUM_RETRIES)) {
|
|
|
|
if ((rc = smbldap_retry_open(ldap_state,&attempts)) != LDAP_SUCCESS)
|
|
continue;
|
|
|
|
rc = ldap_extended_operation_s(ldap_state->ldap_struct, reqoid, reqdata,
|
|
serverctrls, clientctrls, retoidp, retdatap);
|
|
}
|
|
|
|
if (rc == LDAP_SERVER_DOWN) {
|
|
DEBUG(0,("%s: LDAP server is down!\n",FUNCTION_MACRO));
|
|
smbldap_close(ldap_state);
|
|
}
|
|
|
|
ldap_state->last_use = time(NULL);
|
|
|
|
return rc;
|
|
}
|
|
|
|
/*******************************************************************
|
|
run the search by name.
|
|
******************************************************************/
|
|
int smbldap_search_suffix (struct smbldap_state *ldap_state, const char *filter,
|
|
char **search_attr, LDAPMessage ** result)
|
|
{
|
|
int scope = LDAP_SCOPE_SUBTREE;
|
|
int rc;
|
|
|
|
DEBUG(2, ("smbldap_search_suffix: searching for:[%s]\n", filter));
|
|
|
|
rc = smbldap_search(ldap_state, lp_ldap_suffix(), scope, filter, search_attr, 0, result);
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
char *ld_error = NULL;
|
|
ldap_get_option(ldap_state->ldap_struct, LDAP_OPT_ERROR_STRING,
|
|
&ld_error);
|
|
DEBUG(0,("smbldap_search_suffix: Problem during the LDAP search: %s (%s)\n",
|
|
ld_error?ld_error:"(unknown)", ldap_err2string (rc)));
|
|
DEBUG(3,("smbldap_search_suffix: Query was: %s, %s\n", lp_ldap_suffix(),
|
|
filter));
|
|
SAFE_FREE(ld_error);
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void smbldap_idle_fn(void **data, time_t *interval, time_t now)
|
|
{
|
|
struct smbldap_state *state = (struct smbldap_state *)(*data);
|
|
|
|
if (state->ldap_struct == NULL) {
|
|
DEBUG(10,("ldap connection not connected...\n"));
|
|
return;
|
|
}
|
|
|
|
if ((state->last_use+SMBLDAP_IDLE_TIME) > now) {
|
|
DEBUG(10,("ldap connection not idle...\n"));
|
|
return;
|
|
}
|
|
|
|
DEBUG(7,("ldap connection idle...closing connection\n"));
|
|
smbldap_close(state);
|
|
}
|
|
|
|
/**********************************************************************
|
|
Housekeeping
|
|
*********************************************************************/
|
|
|
|
void smbldap_free_struct(struct smbldap_state **ldap_state)
|
|
{
|
|
smbldap_close(*ldap_state);
|
|
|
|
if ((*ldap_state)->bind_secret) {
|
|
memset((*ldap_state)->bind_secret, '\0', strlen((*ldap_state)->bind_secret));
|
|
}
|
|
|
|
SAFE_FREE((*ldap_state)->bind_dn);
|
|
SAFE_FREE((*ldap_state)->bind_secret);
|
|
|
|
smb_unregister_idle_event((*ldap_state)->event_id);
|
|
|
|
*ldap_state = NULL;
|
|
|
|
/* No need to free any further, as it is talloc()ed */
|
|
}
|
|
|
|
|
|
/**********************************************************************
|
|
Intitalise the 'general' ldap structures, on which ldap operations may be conducted
|
|
*********************************************************************/
|
|
|
|
NTSTATUS smbldap_init(TALLOC_CTX *mem_ctx, const char *location, struct smbldap_state **smbldap_state)
|
|
{
|
|
*smbldap_state = talloc_zero(mem_ctx, sizeof(**smbldap_state));
|
|
if (!*smbldap_state) {
|
|
DEBUG(0, ("talloc() failed for ldapsam private_data!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
if (location) {
|
|
(*smbldap_state)->uri = talloc_strdup(mem_ctx, location);
|
|
} else {
|
|
(*smbldap_state)->uri = "ldap://localhost";
|
|
}
|
|
|
|
(*smbldap_state)->event_id =
|
|
smb_register_idle_event(smbldap_idle_fn, (void *)(*smbldap_state),
|
|
SMBLDAP_IDLE_TIME);
|
|
|
|
if ((*smbldap_state)->event_id == SMB_EVENT_ID_INVALID) {
|
|
DEBUG(0,("Failed to register LDAP idle event!\n"));
|
|
return NT_STATUS_INVALID_HANDLE;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/**********************************************************************
|
|
Add the sambaDomain to LDAP, so we don't have to search for this stuff
|
|
again. This is a once-add operation for now.
|
|
|
|
TODO: Add other attributes, and allow modification.
|
|
*********************************************************************/
|
|
static NTSTATUS add_new_domain_info(struct smbldap_state *ldap_state,
|
|
const char *domain_name)
|
|
{
|
|
fstring sid_string;
|
|
fstring algorithmic_rid_base_string;
|
|
pstring filter, dn;
|
|
LDAPMod **mods = NULL;
|
|
int rc;
|
|
int ldap_op;
|
|
LDAPMessage *result = NULL;
|
|
int num_result;
|
|
char **attr_list;
|
|
|
|
slprintf (filter, sizeof (filter) - 1, "(&(%s=%s)(objectclass=%s))",
|
|
get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
|
|
domain_name, LDAP_OBJ_DOMINFO);
|
|
|
|
attr_list = get_attr_list( dominfo_attr_list );
|
|
rc = smbldap_search_suffix(ldap_state, filter, attr_list, &result);
|
|
free_attr_list( attr_list );
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
num_result = ldap_count_entries(ldap_state->ldap_struct, result);
|
|
|
|
if (num_result > 1) {
|
|
DEBUG (0, ("More than domain with that name exists: bailing out!\n"));
|
|
ldap_msgfree(result);
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
/* Check if we need to add an entry */
|
|
DEBUG(3,("Adding new domain\n"));
|
|
ldap_op = LDAP_MOD_ADD;
|
|
|
|
pstr_sprintf(dn, "%s=%s,%s", get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
|
|
domain_name, lp_ldap_suffix());
|
|
|
|
/* Free original search */
|
|
ldap_msgfree(result);
|
|
|
|
/* make the changes - the entry *must* not already have samba attributes */
|
|
smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
|
|
domain_name);
|
|
|
|
/* If we don't have an entry, then ask secrets.tdb for what it thinks.
|
|
It may choose to make it up */
|
|
|
|
sid_to_string(sid_string, get_global_sam_sid());
|
|
smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOM_SID), sid_string);
|
|
|
|
slprintf(algorithmic_rid_base_string, sizeof(algorithmic_rid_base_string) - 1, "%i", algorithmic_rid_base());
|
|
smbldap_set_mod(&mods, LDAP_MOD_ADD, get_attr_key2string(dominfo_attr_list, LDAP_ATTR_ALGORITHMIC_RID_BASE),
|
|
algorithmic_rid_base_string);
|
|
smbldap_set_mod(&mods, LDAP_MOD_ADD, "objectclass", LDAP_OBJ_DOMINFO);
|
|
|
|
switch(ldap_op)
|
|
{
|
|
case LDAP_MOD_ADD:
|
|
rc = smbldap_add(ldap_state, dn, mods);
|
|
break;
|
|
case LDAP_MOD_REPLACE:
|
|
rc = smbldap_modify(ldap_state, dn, mods);
|
|
break;
|
|
default:
|
|
DEBUG(0,("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->ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
|
|
DEBUG(1,("failed to %s domain 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);
|
|
|
|
ldap_mods_free(mods, True);
|
|
return NT_STATUS_UNSUCCESSFUL;
|
|
}
|
|
|
|
DEBUG(2,("added: domain = %s in the LDAP database\n", domain_name));
|
|
ldap_mods_free(mods, True);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/**********************************************************************
|
|
Search for the domain info entry
|
|
*********************************************************************/
|
|
NTSTATUS smbldap_search_domain_info(struct smbldap_state *ldap_state,
|
|
LDAPMessage ** result, const char *domain_name,
|
|
BOOL try_add)
|
|
{
|
|
NTSTATUS ret = NT_STATUS_UNSUCCESSFUL;
|
|
pstring filter;
|
|
int rc;
|
|
char **attr_list;
|
|
int count;
|
|
|
|
pstr_sprintf(filter, "(&(objectClass=%s)(%s=%s))",
|
|
LDAP_OBJ_DOMINFO,
|
|
get_attr_key2string(dominfo_attr_list, LDAP_ATTR_DOMAIN),
|
|
domain_name);
|
|
|
|
DEBUG(2, ("Searching for:[%s]\n", filter));
|
|
|
|
|
|
attr_list = get_attr_list( dominfo_attr_list );
|
|
rc = smbldap_search_suffix(ldap_state, filter, attr_list , result);
|
|
free_attr_list( attr_list );
|
|
|
|
if (rc != LDAP_SUCCESS) {
|
|
DEBUG(2,("Problem during LDAPsearch: %s\n", ldap_err2string (rc)));
|
|
DEBUG(2,("Query was: %s, %s\n", lp_ldap_suffix(), filter));
|
|
} else if (ldap_count_entries(ldap_state->ldap_struct, *result) < 1) {
|
|
DEBUG(3, ("Got no domain info entries for domain\n"));
|
|
ldap_msgfree(*result);
|
|
*result = NULL;
|
|
if (try_add && NT_STATUS_IS_OK(ret = add_new_domain_info(ldap_state, domain_name))) {
|
|
return smbldap_search_domain_info(ldap_state, result, domain_name, False);
|
|
}
|
|
else {
|
|
DEBUG(0, ("Adding domain info for %s failed with %s\n",
|
|
domain_name, nt_errstr(ret)));
|
|
return ret;
|
|
}
|
|
} else if ((count = ldap_count_entries(ldap_state->ldap_struct, *result)) > 1) {
|
|
DEBUG(0, ("Got too many (%d) domain info entries for domain %s\n",
|
|
count, domain_name));
|
|
ldap_msgfree(*result);
|
|
*result = NULL;
|
|
return ret;
|
|
} else {
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|