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/** BEGIN COPYRIGHT BLOCK
* Copyright (C) 2001 Sun Microsystems, Inc. Used by permission.
* Copyright (C) 2005 Red Hat, Inc.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/* pw_retry.c
*/
#include <time.h>
#include "slap.h"
/****************************************************************************/
/* prototypes */
/****************************************************************************/
/* Slapi_Entry *get_entry ( Slapi_PBlock *pb, const char *dn ); */
static void set_reset_time ( Slapi_PBlock *pb, time_t cur_time );
static void set_retry_cnt ( Slapi_PBlock *pb, int count);
static void set_retry_cnt_and_time ( Slapi_PBlock *pb, int count, time_t cur_time);
/*
* update_pw_retry() is called when bind operation fails
* with LDAP_INVALID_CREDENTIALS (in backend bind.c ).
* It checks to see if the retry count can be reset,
* increments retry count, and then check if need to lock the acount.
* To have a global password policy, these mods should be chained to the
* master, and not applied locally. If they are applied locally, they should
* not get replicated from master...
*/
int update_pw_retry ( Slapi_PBlock *pb )
{
Slapi_Entry *e;
int retry_cnt=0;
time_t reset_time;
time_t cur_time;
char *cur_time_str = NULL;
char *retryCountResetTime;
int passwordRetryCount;
/* get the entry */
e = get_entry ( pb, NULL );
if ( e == NULL ) {
return ( 1 );
}
cur_time = current_time();
/* check if the retry count can be reset. */
retryCountResetTime= slapi_entry_attr_get_charptr(e, "retryCountResetTime");
if(retryCountResetTime!=NULL)
{
reset_time = parse_genTime (retryCountResetTime);
slapi_ch_free((void **) &retryCountResetTime );
cur_time_str = format_genTime ( cur_time );
if ( difftime ( parse_genTime( cur_time_str ), reset_time) >= 0 )
{
/* set passwordRetryCount to 1 */
/* reset retryCountResetTime */
set_retry_cnt_and_time ( pb, 1, cur_time );
slapi_ch_free((void **) &cur_time_str );
slapi_entry_free( e );
return ( 0 ); /* success */
} else {
slapi_ch_free((void **) &cur_time_str );
}
} else {
/* initialize passwordRetryCount and retryCountResetTime */
set_retry_cnt_and_time ( pb, 1, cur_time );
slapi_entry_free( e );
return ( 0 ); /* success */
}
passwordRetryCount = slapi_entry_attr_get_int(e, "passwordRetryCount");
if (passwordRetryCount >= 0)
{
retry_cnt = passwordRetryCount + 1;
if ( retry_cnt == 1 ) {
/* set retryCountResetTime */
set_retry_cnt_and_time ( pb, retry_cnt, cur_time );
} else {
/* set passwordRetryCount to retry_cnt */
set_retry_cnt ( pb, retry_cnt );
}
}
slapi_entry_free( e );
return 0; /* success */
}
static
void set_retry_cnt_and_time ( Slapi_PBlock *pb, int count, time_t cur_time ) {
char *dn;
Slapi_Mods smods;
time_t reset_time;
char *timestr;
slapdFrontendConfig_t *slapdFrontendConfig = getFrontendConfig();
passwdPolicy *pwpolicy = NULL;
slapi_pblock_get( pb, SLAPI_TARGET_DN, &dn );
pwpolicy = new_passwdPolicy(pb, dn);
slapi_mods_init(&smods, 0);
reset_time = time_plus_sec ( cur_time,
pwpolicy->pw_resetfailurecount );
timestr = format_genTime ( reset_time );
slapi_mods_add_string(&smods, LDAP_MOD_REPLACE, "retryCountResetTime", timestr);
slapi_ch_free((void **)×tr);
set_retry_cnt_mods(pb, &smods, count);
pw_apply_mods(dn, &smods);
slapi_mods_done(&smods);
delete_passwdPolicy(&pwpolicy);
}
void set_retry_cnt_mods(Slapi_PBlock *pb, Slapi_Mods *smods, int count)
{
char *timestr;
time_t unlock_time;
char retry_cnt[8]; /* 1-65535 */
slapdFrontendConfig_t *slapdFrontendConfig = getFrontendConfig();
char *dn = NULL;
passwdPolicy *pwpolicy = NULL;
slapi_pblock_get( pb, SLAPI_TARGET_DN, &dn );
pwpolicy = new_passwdPolicy(pb, dn);
if (smods) {
sprintf ( retry_cnt, "%d", count );
slapi_mods_add_string(smods, LDAP_MOD_REPLACE, "passwordRetryCount", retry_cnt);
/* lock account if reache retry limit */
if ( count >= pwpolicy->pw_maxfailure ) {
/* Remove lock_account function to perform all mods at once */
/* lock_account ( pb ); */
/* reach the retry limit, lock the account */
if ( pwpolicy->pw_unlock == 0 ) {
/* lock until admin reset password */
unlock_time = NO_TIME;
} else {
unlock_time = time_plus_sec ( current_time(),
pwpolicy->pw_lockduration );
}
timestr= format_genTime ( unlock_time );
slapi_mods_add_string(smods, LDAP_MOD_REPLACE, "accountUnlockTime", timestr);
slapi_ch_free((void **)×tr);
}
}
delete_passwdPolicy(&pwpolicy);
return;
}
static
void set_retry_cnt ( Slapi_PBlock *pb, int count) {
char *dn;
Slapi_Mods smods;
slapi_pblock_get( pb, SLAPI_TARGET_DN, &dn );
slapi_mods_init(&smods, 0);
set_retry_cnt_mods(pb, &smods, count);
pw_apply_mods(dn, &smods);
slapi_mods_done(&smods);
}
static
void set_reset_time ( Slapi_PBlock *pb, time_t cur_time ) {
char *dn;
Slapi_Mods smods;
time_t reset_time;
char *timestr;
int resetfailurecount;
passwdPolicy *pwpolicy = NULL;
slapi_pblock_get( pb, SLAPI_TARGET_DN, &dn );
pwpolicy = new_passwdPolicy(pb, dn);
resetfailurecount = pwpolicy->pw_resetfailurecount;
slapi_mods_init(&smods, 0);
reset_time = time_plus_sec ( cur_time, resetfailurecount );
timestr = format_genTime ( reset_time );
slapi_mods_add_string(&smods, LDAP_MOD_REPLACE, "retryCountResetTime", timestr);
slapi_ch_free((void **)×tr);
pw_apply_mods(dn, &smods);
slapi_mods_done(&smods);
delete_passwdPolicy(&pwpolicy);
}
Slapi_Entry *get_entry ( Slapi_PBlock *pb, const char *dn)
{
int search_result = 0;
Slapi_Entry *retentry = NULL;
Slapi_DN sdn;
if ( dn == NULL ) {
char *t;
slapi_pblock_get( pb, SLAPI_TARGET_DN, &t );
dn= t;
}
slapi_sdn_init_dn_byref(&sdn, dn);
if ((search_result = slapi_search_internal_get_entry(&sdn, NULL, &retentry, pw_get_componentID())) != LDAP_SUCCESS){
LDAPDebug (LDAP_DEBUG_TRACE, "WARNING: 'get_entry' can't find entry '%s', err %d\n", dn, search_result, 0);
}
slapi_sdn_done(&sdn);
return retentry;
}
void pw_apply_mods(const char *dn, Slapi_Mods *mods)
{
Slapi_PBlock pb;
int res;
if (mods && (slapi_mods_get_num_mods(mods) > 0))
{
pblock_init(&pb);
slapi_modify_internal_set_pb (&pb, dn,
slapi_mods_get_ldapmods_byref(mods),
NULL, /* Controls */
NULL, /* UniqueID */
pw_get_componentID(), /* PluginID */
0); /* Flags */
slapi_modify_internal_pb (&pb);
slapi_pblock_get(&pb, SLAPI_PLUGIN_INTOP_RESULT, &res);
if (res != LDAP_SUCCESS){
LDAPDebug(LDAP_DEBUG_ANY, "WARNING: passwordPolicy modify error %d on entry '%s'\n",
res, dn, 0);
}
pblock_done(&pb);
}
return;
}
/* Handle the component ID for the password policy */
static struct slapi_componentid * pw_componentid = NULL;
void pw_set_componentID(struct slapi_componentid *cid)
{
pw_componentid = cid;
}
struct slapi_componentid * pw_get_componentID()
{
return pw_componentid;
}
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