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|
/*
Unix SMB/Netbios implementation.
Version 2.9.
LDAP protocol helper functions for SAMBA
Copyright (C) Shahms King 2001
Copyright (C) Jean François Micouleau 1998
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"
#ifdef WITH_LDAP_SAM
/* 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 <lber.h>
#include <ldap.h>
#ifndef SAM_ACCOUNT
#define SAM_ACCOUNT struct sam_passwd
#endif
struct ldap_enum_info
{
LDAP *ldap_struct;
LDAPMessage *result;
LDAPMessage *entry;
};
static struct ldap_enum_info global_ldap_ent;
/*******************************************************************
open a connection to the ldap server.
******************************************************************/
static BOOL
ldap_open_connection (LDAP ** ldap_struct)
{
int port;
int version, rc;
int tls = LDAP_OPT_X_TLS_HARD;
if (lp_ldap_ssl() == LDAP_SSL_ON && lp_ldap_port() == 389) {
port = 636;
}
else {
port = lp_ldap_port();
}
if ((*ldap_struct = ldap_init(lp_ldap_server(), port)) == NULL) {
DEBUG(0, ("The LDAP server is not responding !\n"));
return (False);
}
/* Connect to older servers using SSL and V2 rather than Start TLS */
if (ldap_get_option(*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version) == LDAP_OPT_SUCCESS)
{
if (version != LDAP_VERSION2)
{
version = LDAP_VERSION2;
ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION, &version);
}
}
switch (lp_ldap_ssl())
{
case LDAP_SSL_START_TLS:
if (ldap_get_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION,
&version) == LDAP_OPT_SUCCESS)
{
if (version < LDAP_VERSION3)
{
version = LDAP_VERSION3;
ldap_set_option (*ldap_struct, LDAP_OPT_PROTOCOL_VERSION,
&version);
}
}
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 False;
}
DEBUG (2, ("StartTLS issued: using a TLS connection\n"));
break;
case LDAP_SSL_ON:
if (ldap_set_option (*ldap_struct, LDAP_OPT_X_TLS, &tls) != LDAP_SUCCESS)
{
DEBUG(0, ("Failed to setup a TLS session\n"));
}
break;
case LDAP_SSL_OFF:
default:
}
DEBUG(2, ("ldap_open_connection: connection opened\n"));
return (True);
}
/*******************************************************************
connect to the ldap server under system privilege.
******************************************************************/
static BOOL ldap_connect_system(LDAP * ldap_struct)
{
int rc;
static BOOL got_pw = False;
static pstring ldap_secret;
/* get the password if we don't have it already */
if (!got_pw && !(got_pw=fetch_ldap_pw(lp_ldap_admin_dn(), ldap_secret, sizeof(pstring))))
{
DEBUG(0, ("ldap_connect_system: Failed to retrieve password for %s from secrets.tdb\n",
lp_ldap_admin_dn()));
return False;
}
/* removed the sasl_bind_s "EXTERNAL" stuff, as my testsuite
(OpenLDAP) doesnt' seem to support it */
if ((rc = ldap_simple_bind_s(ldap_struct, lp_ldap_admin_dn(),
ldap_secret)) != LDAP_SUCCESS)
{
DEBUG(0, ("Bind failed: %s\n", ldap_err2string(rc)));
return (False);
}
DEBUG(2, ("ldap_connect_system: succesful connection to the LDAP server\n"));
return (True);
}
/*******************************************************************
run the search by name.
******************************************************************/
static int ldap_search_one_user (LDAP * ldap_struct, const char *filter, LDAPMessage ** result)
{
int scope = LDAP_SCOPE_SUBTREE;
int rc;
DEBUG(2, ("ldap_search_one_user: searching for:[%s]\n", filter));
rc = ldap_search_s (ldap_struct, lp_ldap_suffix (), scope,
filter, NULL, 0, result);
if (rc != LDAP_SUCCESS) {
DEBUG(0,("ldap_search_one_user: Problem during the LDAP search: %s\n",
ldap_err2string (rc)));
DEBUG(3,("ldap_search_one_user: Query was: %s, %s\n", lp_ldap_suffix(),
filter));
}
return (rc);
}
/*******************************************************************
run the search by name.
******************************************************************/
static int ldap_search_one_user_by_name (LDAP * ldap_struct, const char *user,
LDAPMessage ** result)
{
pstring filter;
/*
in the filter expression, replace %u with the real name
so in ldap filter, %u MUST exist :-)
*/
pstrcpy(filter, lp_ldap_filter());
/* have to use this here because $ is filtered out
* in pstring_sub
*/
all_string_sub(filter, "%u", user, sizeof(pstring));
return ldap_search_one_user(ldap_struct, filter, result);
}
/*******************************************************************
run the search by uid.
******************************************************************/
static int ldap_search_one_user_by_uid(LDAP * ldap_struct, int uid,
LDAPMessage ** result)
{
struct passwd *user;
pstring filter;
/* Get the username from the system and look that up in the LDAP */
user = sys_getpwuid(uid);
pstrcpy(filter, lp_ldap_filter());
all_string_sub(filter, "%u", user->pw_name, sizeof(pstring));
return ldap_search_one_user(ldap_struct, filter, result);
}
/*******************************************************************
run the search by rid.
******************************************************************/
static int ldap_search_one_user_by_rid (LDAP * ldap_struct, uint32 rid,
LDAPMessage ** result)
{
pstring filter;
int rc;
/* check if the user rid exsists, if not, try searching on the uid */
snprintf(filter, sizeof(filter) - 1, "rid=%i", rid);
rc = ldap_search_one_user(ldap_struct, filter, result);
if (rc != LDAP_SUCCESS)
rc = ldap_search_one_user_by_uid(ldap_struct,
pdb_user_rid_to_uid(rid), result);
return rc;
}
/*******************************************************************
search an attribute and return the first value found.
******************************************************************/
static void get_single_attribute (LDAP * ldap_struct, LDAPMessage * entry,
char *attribute, char *value)
{
char **valeurs;
if ((valeurs = ldap_get_values (ldap_struct, entry, attribute)) != NULL) {
pstrcpy(value, valeurs[0]);
ldap_value_free(valeurs);
DEBUG (2, ("get_single_attribute: [%s] = [%s]\n", attribute, value));
}
else {
value = NULL;
DEBUG (2, ("get_single_attribute: [%s] = [NULL]\n", attribute));
}
}
/************************************************************************
Routine to manage the LDAPMod structure array
manage memory used by the array, by each struct, and values
************************************************************************/
static void make_a_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
{
LDAPMod **mods;
int i;
int j;
mods = *modlist;
if (attribute == NULL || *attribute == '\0')
return;
if (value == NULL || *value == '\0')
return;
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)
{
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;
}
mods[i]->mod_values[j] = strdup(value);
mods[i]->mod_values[j + 1] = NULL;
}
*modlist = mods;
}
/* New Interface is being implemented here */
/**********************************************************************
Initialize SAM_ACCOUNT from an LDAP query
(Based on init_sam_from_buffer in pdb_tdb.c)
*********************************************************************/
static BOOL init_sam_from_ldap (SAM_ACCOUNT * sampass,
LDAP * ldap_struct, LDAPMessage * entry)
{
time_t logon_time,
logoff_time,
kickoff_time,
pass_last_set_time,
pass_can_change_time,
pass_must_change_time;
static pstring username;
static pstring domain;
static pstring nt_username;
static pstring fullname;
static pstring homedir;
static pstring dir_drive;
static pstring logon_script;
static pstring profile_path;
static pstring acct_desc;
static pstring munged_dial;
static pstring workstations;
struct passwd *sys_user;
uint32 user_rid, group_rid;
static uint8 smblmpwd[16];
static uint8 smbntpwd[16];
uint16 acct_ctrl, logon_divs;
uint32 hours_len;
uint8 *hours;
pstring temp;
get_single_attribute(ldap_struct, entry, "uid", username);
DEBUG(2, ("Entry found for user: %s\n", username));
pstrcpy(nt_username, username);
get_single_attribute(ldap_struct, entry, "sambaDomain", domain);
if (!domain)
pstrcpy(domain, lp_workgroup());
get_single_attribute(ldap_struct, entry, "pwdLastSet", temp);
pass_last_set_time = (time_t) strtol(temp, NULL, 16);
get_single_attribute(ldap_struct, entry, "logonTime", temp);
logon_time = (time_t) strtol(temp, NULL, 16);
get_single_attribute(ldap_struct, entry, "logoffTime", temp);
logoff_time = (time_t) strtol(temp, NULL, 16);
get_single_attribute(ldap_struct, entry, "kickoffTime", temp);
kickoff_time = (time_t) strtol(temp, NULL, 16);
get_single_attribute(ldap_struct, entry, "pwdCanChange", temp);
pass_can_change_time = (time_t) strtol(temp, NULL, 16);
get_single_attribute(ldap_struct, entry, "pwdMustChange", temp);
pass_must_change_time = (time_t) strtol(temp, NULL, 16);
/* 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 gecos then displayName then cn rather than 'userFullName'
*/
get_single_attribute(ldap_struct, entry, "gecos", fullname);
if (!fullname) {
get_single_attribute(ldap_struct, entry, "displayName", fullname);
get_single_attribute(ldap_struct, entry, "cn", fullname);
}
get_single_attribute(ldap_struct, entry, "homeDrive", dir_drive);
DEBUG(5,("homeDrive is set to %s\n",dir_drive));
if (!*dir_drive) {
pstrcpy(dir_drive, lp_logon_drive());
DEBUG(5,("homeDrive fell back to %s\n",dir_drive));
}
get_single_attribute(ldap_struct, entry, "smbHome", homedir);
DEBUG(5,("smbHome is set to %s\n",homedir));
if (!*homedir) {
pstrcpy(homedir, lp_logon_home());
DEBUG(5,("smbHome fell back to %s\n",homedir));
}
get_single_attribute(ldap_struct, entry, "scriptPath", logon_script);
DEBUG(5,("scriptPath is set to %s\n",logon_script));
if (!*logon_script) {
pstrcpy(logon_script, lp_logon_script());
DEBUG(5,("scriptPath fell back to %s\n",logon_script));
}
get_single_attribute(ldap_struct, entry, "profilePath", profile_path);
DEBUG(5,("profilePath is set to %s\n",profile_path));
if (!*profile_path) {
pstrcpy(profile_path, lp_logon_path());
DEBUG(5,("profilePath fell back to %s\n",profile_path));
}
get_single_attribute(ldap_struct, entry, "description", acct_desc);
get_single_attribute(ldap_struct, entry, "userWorkstations", workstations);
get_single_attribute(ldap_struct, entry, "rid", temp);
user_rid = (uint32)strtol(temp, NULL, 16);
get_single_attribute(ldap_struct, entry, "primaryGroupID", temp);
group_rid = (uint32)strtol(temp, NULL, 16);
/* These values MAY be in LDAP, but they can also be retrieved through
* sys_getpw*() which is how we're doing it (if you use nss_ldap, then
* these values will be stored in LDAP as well, but if not, we want the
* local values to override the LDAP for this anyway
* homeDirectory attribute
*/
sys_user = sys_getpwnam(username);
if (sys_user == NULL)
return False;
/* FIXME: hours stuff should be cleaner */
logon_divs = 168;
hours_len = 21;
hours = malloc(sizeof(hours) * hours_len);
memset(hours, 0xff, hours_len);
get_single_attribute (ldap_struct, entry, "lmPassword", temp);
pdb_gethexpwd(temp, smblmpwd);
memset((char *)temp, '\0', sizeof(temp));
get_single_attribute (ldap_struct, entry, "ntPassword", temp);
pdb_gethexpwd(temp, smbntpwd);
memset((char *)temp, '\0', sizeof(temp));
get_single_attribute (ldap_struct, entry, "acctFlags", temp);
acct_ctrl = pdb_decode_acct_ctrl(temp);
if (acct_ctrl == 0)
acct_ctrl |= ACB_NORMAL;
pdb_set_acct_ctrl(sampass, acct_ctrl);
pdb_set_logon_time(sampass, logon_time);
pdb_set_logoff_time(sampass, logoff_time);
pdb_set_kickoff_time(sampass, kickoff_time);
pdb_set_pass_can_change_time(sampass, pass_can_change_time);
pdb_set_pass_must_change_time(sampass, pass_must_change_time);
pdb_set_pass_last_set_time(sampass, pass_last_set_time);
pdb_set_hours_len(sampass, hours_len);
pdb_set_logons_divs(sampass, logon_divs);
pdb_set_uid(sampass, &sys_user->pw_uid);
pdb_set_gid(sampass, &sys_user->pw_gid);
pdb_set_user_rid(sampass, user_rid);
pdb_set_group_rid(sampass, group_rid);
pdb_set_username(sampass, username);
pdb_set_domain(sampass, domain);
pdb_set_nt_username(sampass, nt_username);
pdb_set_fullname(sampass, fullname);
pdb_set_logon_script(sampass, logon_script);
pdb_set_profile_path(sampass, profile_path);
pdb_set_dir_drive(sampass, dir_drive);
pdb_set_homedir(sampass, homedir);
pdb_set_acct_desc(sampass, acct_desc);
pdb_set_workstations(sampass, workstations);
pdb_set_munged_dial(sampass, munged_dial);
if (!pdb_set_nt_passwd(sampass, smbntpwd))
return False;
if (!pdb_set_lanman_passwd(sampass, smblmpwd))
return False;
/* pdb_set_unknown_3(sampass, unknown3); */
/* pdb_set_unknown_5(sampass, unknown5); */
/* pdb_set_unknown_6(sampass, unknown6); */
pdb_set_hours(sampass, hours);
return True;
}
/**********************************************************************
Initialize SAM_ACCOUNT from an LDAP query
(Based on init_buffer_from_sam in pdb_tdb.c)
*********************************************************************/
static BOOL init_ldap_from_sam (LDAPMod *** mods, int ldap_state, const SAM_ACCOUNT * sampass)
{
pstring temp;
*mods = NULL;
/*
* took out adding "objectclass: sambaAccount"
* do this on a per-mod basis
*/
make_a_mod(mods, ldap_state, "uid", pdb_get_username(sampass));
DEBUG(2, ("Setting entry for user: %s\n", pdb_get_username(sampass)));
/* not sure about using this for the nt_username */
make_a_mod(mods, ldap_state, "sambaDomain", pdb_get_domain(sampass));
slprintf(temp, sizeof(temp) - 1, "%i", pdb_get_uid(sampass));
make_a_mod(mods, ldap_state, "uidNumber", temp);
slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_last_set_time(sampass));
make_a_mod(mods, ldap_state, "pwdLastSet", temp);
slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logon_time(sampass));
make_a_mod(mods, ldap_state, "logonTime", temp);
slprintf(temp, sizeof(temp) - 1, "%li", pdb_get_logoff_time(sampass));
make_a_mod(mods, ldap_state, "logoffTime", temp);
slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_kickoff_time(sampass));
make_a_mod(mods, ldap_state, "kickoffTime", temp);
slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_can_change_time(sampass));
make_a_mod(mods, ldap_state, "pwdCanChange", temp);
slprintf (temp, sizeof (temp) - 1, "%li", pdb_get_pass_must_change_time(sampass));
make_a_mod(mods, ldap_state, "pwdMustChange", temp);
/* 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
*/
make_a_mod(mods, ldap_state, "displayName", pdb_get_fullname(sampass));
make_a_mod(mods, ldap_state, "cn", pdb_get_fullname(sampass));
make_a_mod(mods, ldap_state, "smbHome", pdb_get_homedir(sampass));
make_a_mod(mods, ldap_state, "homeDrive", pdb_get_dirdrive(sampass));
make_a_mod(mods, ldap_state, "scriptPath", pdb_get_logon_script(sampass));
make_a_mod(mods, ldap_state, "profilePath", pdb_get_profile_path(sampass));
make_a_mod(mods, ldap_state, "description", pdb_get_acct_desc(sampass));
make_a_mod(mods, ldap_state, "userWorkstations", pdb_get_workstations(sampass));
slprintf(temp, sizeof(temp) - 1, "%i", sampass->user_rid);
make_a_mod(mods, ldap_state, "rid", temp);
slprintf(temp, sizeof(temp) - 1, "%i", sampass->group_rid);
make_a_mod(mods, ldap_state, "primaryGroupID", temp);
/* FIXME: Hours stuff goes in LDAP */
pdb_sethexpwd (temp, pdb_get_lanman_passwd(sampass), pdb_get_acct_ctrl(sampass));
make_a_mod (mods, ldap_state, "lmPassword", temp);
pdb_sethexpwd (temp, pdb_get_nt_passwd(sampass), pdb_get_acct_ctrl(sampass));
make_a_mod (mods, ldap_state, "ntPassword", temp);
make_a_mod (mods, ldap_state, "acctFlags", pdb_encode_acct_ctrl (pdb_get_acct_ctrl(sampass),
NEW_PW_FORMAT_SPACE_PADDED_LEN));
return True;
}
/**********************************************************************
Connect to LDAP server for password enumeration
*********************************************************************/
BOOL pdb_setsampwent(BOOL update)
{
int rc;
pstring filter;
if (!ldap_open_connection(&global_ldap_ent.ldap_struct))
{
return False;
}
if (!ldap_connect_system(global_ldap_ent.ldap_struct))
{
ldap_unbind(global_ldap_ent.ldap_struct);
return False;
}
pstrcpy(filter, lp_ldap_filter());
all_string_sub(filter, "%u", "*", sizeof(pstring));
rc = ldap_search_s(global_ldap_ent.ldap_struct, lp_ldap_suffix(),
LDAP_SCOPE_SUBTREE, filter, NULL, 0,
&global_ldap_ent.result);
if (rc != LDAP_SUCCESS)
{
DEBUG(0, ("LDAP search failed: %s\n", ldap_err2string(rc)));
DEBUG(3, ("Query was: %s, %s\n", lp_ldap_suffix(), filter));
ldap_msgfree(global_ldap_ent.result);
ldap_unbind(global_ldap_ent.ldap_struct);
global_ldap_ent.ldap_struct = NULL;
global_ldap_ent.result = NULL;
return False;
}
DEBUG(2, ("pdb_setsampwent: %d entries in the base!\n",
ldap_count_entries(global_ldap_ent.ldap_struct,
global_ldap_ent.result)));
global_ldap_ent.entry = ldap_first_entry(global_ldap_ent.ldap_struct,
global_ldap_ent.result);
return True;
}
/**********************************************************************
End enumeration of the LDAP password list
*********************************************************************/
void pdb_endsampwent(void)
{
if (global_ldap_ent.ldap_struct && global_ldap_ent.result)
{
ldap_msgfree(global_ldap_ent.result);
ldap_unbind(global_ldap_ent.ldap_struct);
global_ldap_ent.ldap_struct = NULL;
global_ldap_ent.result = NULL;
}
}
/**********************************************************************
Get the next entry in the LDAP password database
*********************************************************************/
BOOL pdb_getsampwent(SAM_ACCOUNT * user)
{
if (!global_ldap_ent.entry)
return False;
global_ldap_ent.entry = ldap_next_entry(global_ldap_ent.ldap_struct,
global_ldap_ent.entry);
if (global_ldap_ent.entry != NULL)
{
return init_sam_from_ldap(user, global_ldap_ent.ldap_struct,
global_ldap_ent.entry);
}
return False;
}
/**********************************************************************
Get SAM_ACCOUNT entry from LDAP by username
*********************************************************************/
BOOL pdb_getsampwnam(SAM_ACCOUNT * user, const char *sname)
{
LDAP *ldap_struct;
LDAPMessage *result;
LDAPMessage *entry;
if (!ldap_open_connection(&ldap_struct))
return False;
if (!ldap_connect_system(ldap_struct))
{
ldap_unbind(ldap_struct);
return False;
}
if (ldap_search_one_user_by_name(ldap_struct, sname, &result) !=
LDAP_SUCCESS)
{
ldap_unbind(ldap_struct);
return False;
}
if (ldap_count_entries(ldap_struct, result) < 1)
{
DEBUG(0,
("We don't find this user [%s] count=%d\n", sname,
ldap_count_entries(ldap_struct, result)));
ldap_unbind(ldap_struct);
return False;
}
entry = ldap_first_entry(ldap_struct, result);
if (entry)
{
init_sam_from_ldap(user, ldap_struct, entry);
ldap_msgfree(result);
ldap_unbind(ldap_struct);
return True;
}
else
{
ldap_msgfree(result);
ldap_unbind(ldap_struct);
return False;
}
}
/**********************************************************************
Get SAM_ACCOUNT entry from LDAP by rid
*********************************************************************/
BOOL pdb_getsampwrid(SAM_ACCOUNT * user, uint32 rid)
{
LDAP *ldap_struct;
LDAPMessage *result;
LDAPMessage *entry;
if (!ldap_open_connection(&ldap_struct))
return False;
if (!ldap_connect_system(ldap_struct))
{
ldap_unbind(ldap_struct);
return False;
}
if (ldap_search_one_user_by_rid(ldap_struct, rid, &result) !=
LDAP_SUCCESS)
{
ldap_unbind(ldap_struct);
return False;
}
if (ldap_count_entries(ldap_struct, result) < 1)
{
DEBUG(0,
("We don't find this rid [%i] count=%d\n", rid,
ldap_count_entries(ldap_struct, result)));
ldap_unbind(ldap_struct);
return False;
}
entry = ldap_first_entry(ldap_struct, result);
if (entry)
{
init_sam_from_ldap(user, ldap_struct, entry);
ldap_msgfree(result);
ldap_unbind(ldap_struct);
return True;
}
else
{
ldap_msgfree(result);
ldap_unbind(ldap_struct);
return False;
}
}
/**********************************************************************
Get SAM_ACCOUNT entry from LDAP by uid
*********************************************************************/
BOOL pdb_getsampwuid(SAM_ACCOUNT * user, uid_t uid)
{
LDAP *ldap_struct;
LDAPMessage *result;
LDAPMessage *entry;
if (!ldap_open_connection(&ldap_struct))
return False;
if (!ldap_connect_system(ldap_struct))
{
ldap_unbind(ldap_struct);
return False;
}
if (ldap_search_one_user_by_uid(ldap_struct, uid, &result) !=
LDAP_SUCCESS)
{
ldap_unbind(ldap_struct);
return False;
}
if (ldap_count_entries(ldap_struct, result) < 1)
{
DEBUG(0,
("We don't find this uid [%i] count=%d\n", uid,
ldap_count_entries(ldap_struct, result)));
ldap_unbind(ldap_struct);
return False;
}
entry = ldap_first_entry(ldap_struct, result);
if (entry)
{
init_sam_from_ldap(user, ldap_struct, entry);
ldap_msgfree(result);
ldap_unbind(ldap_struct);
return True;
}
else
{
ldap_msgfree(result);
ldap_unbind(ldap_struct);
return False;
}
}
/**********************************************************************
Delete entry from LDAP for username
*********************************************************************/
BOOL pdb_delete_sam_account(const char *sname)
{
int rc;
char *dn;
LDAP *ldap_struct;
LDAPMessage *entry;
LDAPMessage *result;
if (!ldap_open_connection (&ldap_struct))
return False;
DEBUG (3, ("Deleting user %s from LDAP.\n", sname));
if (!ldap_connect_system (ldap_struct)) {
ldap_unbind (ldap_struct);
DEBUG(0, ("Failed to delete user %s from LDAP.\n", sname));
return False;
}
rc = ldap_search_one_user_by_name (ldap_struct, sname, &result);
if (ldap_count_entries (ldap_struct, result) == 0) {
DEBUG (0, ("User doesn't exit!\n"));
ldap_msgfree (result);
ldap_unbind (ldap_struct);
return False;
}
entry = ldap_first_entry (ldap_struct, result);
dn = ldap_get_dn (ldap_struct, entry);
rc = ldap_delete_s (ldap_struct, dn);
ldap_memfree (dn);
if (rc != LDAP_SUCCESS) {
char *ld_error;
ldap_get_option (ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
DEBUG (0,("failed to delete user with uid = %s with: %s\n\t%s\n",
sname, ldap_err2string (rc), ld_error));
free (ld_error);
ldap_unbind (ldap_struct);
return False;
}
DEBUG (2,("successfully deleted uid = %s from the LDAP database\n", sname));
ldap_unbind (ldap_struct);
return True;
}
/**********************************************************************
Update SAM_ACCOUNT
*********************************************************************/
BOOL pdb_update_sam_account(const SAM_ACCOUNT * newpwd, BOOL override)
{
int rc;
char *dn;
LDAP *ldap_struct;
LDAPMessage *result;
LDAPMessage *entry;
LDAPMod **mods;
if (!ldap_open_connection(&ldap_struct)) /* open a connection to the server */
return False;
if (!ldap_connect_system(ldap_struct)) /* connect as system account */
{
ldap_unbind(ldap_struct);
return False;
}
rc = ldap_search_one_user_by_name(ldap_struct,
pdb_get_username(newpwd), &result);
if (ldap_count_entries(ldap_struct, result) == 0)
{
DEBUG(0, ("No user to modify!\n"));
ldap_msgfree(result);
ldap_unbind(ldap_struct);
return False;
}
init_ldap_from_sam(&mods, LDAP_MOD_REPLACE, newpwd);
entry = ldap_first_entry(ldap_struct, result);
dn = ldap_get_dn(ldap_struct, entry);
rc = ldap_modify_s(ldap_struct, dn, mods);
if (rc != LDAP_SUCCESS)
{
char *ld_error;
ldap_get_option(ldap_struct, LDAP_OPT_ERROR_STRING,
&ld_error);
DEBUG(0,
("failed to modify user with uid = %s with: %s\n\t%s\n",
pdb_get_username(newpwd), ldap_err2string(rc),
ld_error));
free(ld_error);
ldap_unbind(ldap_struct);
return False;
}
DEBUG(2,
("successfully modified uid = %s in the LDAP database\n",
pdb_get_username(newpwd)));
ldap_mods_free(mods, 1);
ldap_unbind(ldap_struct);
return True;
}
/**********************************************************************
Add SAM_ACCOUNT to LDAP
*********************************************************************/
BOOL pdb_add_sam_account(const SAM_ACCOUNT * newpwd)
{
int rc;
pstring filter;
LDAP *ldap_struct;
LDAPMessage *result;
pstring dn;
LDAPMod **mods;
int ldap_op = LDAP_MOD_ADD;
if (!ldap_open_connection(&ldap_struct)) /* open a connection to the server */
{
return False;
}
if (!ldap_connect_system(ldap_struct)) /* connect as system account */
{
ldap_unbind(ldap_struct);
return False;
}
if (pdb_get_username(newpwd) != NULL) {
slprintf (dn, sizeof (dn) - 1, "uid=%s,%s",
pdb_get_username(newpwd), lp_ldap_suffix ());
}
else
{
return False;
}
rc = ldap_search_one_user_by_name (ldap_struct, pdb_get_username(newpwd), &result);
if (ldap_count_entries(ldap_struct, result) != 0)
{
DEBUG(0,("User already in the base, with samba properties\n"));
ldap_msgfree(result);
ldap_unbind(ldap_struct);
return False;
}
ldap_msgfree(result);
slprintf (filter, sizeof (filter) - 1, "uid=%s", pdb_get_username(newpwd));
rc = ldap_search_one_user(ldap_struct, filter, &result);
if (ldap_count_entries(ldap_struct, result) == 1)
{
char *tmp;
LDAPMessage *entry;
DEBUG(3,("User exists without samba properties: adding them\n"));
ldap_op = LDAP_MOD_REPLACE;
entry = ldap_first_entry (ldap_struct, result);
tmp = ldap_get_dn (ldap_struct, entry);
slprintf (dn, sizeof (dn) - 1, "%s", tmp);
ldap_memfree (tmp);
}
else
{
DEBUG (3, ("More than one user with that uid exists: bailing out!\n"));
return False;
}
ldap_msgfree(result);
init_ldap_from_sam(&mods, ldap_op, newpwd);
make_a_mod(&mods, LDAP_MOD_ADD, "objectclass", "sambaAccount");
if (ldap_op == LDAP_MOD_REPLACE) {
rc = ldap_modify_s(ldap_struct, dn, mods);
}
else {
rc = ldap_add_s(ldap_struct, dn, mods);
}
if (rc != LDAP_SUCCESS)
{
char *ld_error;
ldap_get_option (ldap_struct, LDAP_OPT_ERROR_STRING, &ld_error);
DEBUG(0,("failed to modify user with uid = %s with: %s\n\t%s\n",
pdb_get_username(newpwd), ldap_err2string (rc), ld_error));
free(ld_error);
ldap_mods_free(mods, 1);
ldap_unbind(ldap_struct);
return False;
}
DEBUG(2,("added: uid = %s in the LDAP database\n", pdb_get_username(newpwd)));
ldap_mods_free(mods, 1);
ldap_unbind(ldap_struct);
return True;
}
#else
void dummy_function(void);
void
dummy_function (void)
{
} /* stop some compilers complaining */
#endif
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