openldap/servers/slapd/back-ldbm/passwd.c

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/* passwd.c - ldbm backend password routines */
/* $OpenLDAP$ */
/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "back-ldbm.h"
#include "proto-back-ldbm.h"
#include "lber_pvt.h"
int
ldbm_back_exop_passwd(
Backend *be,
Connection *conn,
Operation *op,
struct berval *reqoid,
struct berval *reqdata,
char **rspoid,
struct berval **rspdata,
LDAPControl *** rspctrls,
const char **text,
BerVarray *refs
)
{
struct ldbminfo *li = (struct ldbminfo *) be->be_private;
int rc;
Entry *e = NULL;
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struct berval hash = { 0, NULL };
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struct berval id = { 0, NULL };
struct berval new = { 0, NULL };
struct berval dn;
struct berval ndn;
assert( reqoid != NULL );
assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, reqoid ) == 0 );
rc = slap_passwd_parse( reqdata,
&id, NULL, &new, text );
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#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, ENTRY,
"ldbm_back_exop_passwd: \"%s\"\n", id.bv_val ? id.bv_val : "", 0,0 );
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#else
Debug( LDAP_DEBUG_ARGS, "==> ldbm_back_exop_passwd: \"%s\"\n",
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id.bv_val ? id.bv_val : "", 0, 0 );
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#endif
if( rc != LDAP_SUCCESS ) {
goto done;
}
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if( new.bv_len == 0 ) {
slap_passwd_generate(&new);
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if( new.bv_len == 0 ) {
*text = "password generation failed.";
rc = LDAP_OTHER;
goto done;
}
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*rspdata = slap_passwd_return( &new );
}
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slap_passwd_hash( &new, &hash );
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if( hash.bv_len == 0 ) {
*text = "password hash failed";
rc = LDAP_OTHER;
goto done;
}
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if( id.bv_len ) {
dn = id;
} else {
dn = op->o_dn;
}
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#ifdef NEW_LOGGING
LDAP_LOG( BACK_LDBM, DETAIL1,
"ldbm_back_exop_passwd: \"%s\"%s\n",
dn.bv_val, id.bv_len ? " (proxy)" : "", 0 );
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#else
Debug( LDAP_DEBUG_TRACE, "passwd: \"%s\"%s\n",
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dn.bv_val, id.bv_len ? " (proxy)" : "", 0 );
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#endif
if( dn.bv_len == 0 ) {
*text = "No password is associated with the Root DSE";
rc = LDAP_UNWILLING_TO_PERFORM;
goto done;
}
rc = dnNormalize2( NULL, &dn, &ndn );
if( rc != LDAP_SUCCESS ) {
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*text = "Invalid DN";
goto done;
}
/* grab giant lock for writing */
ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
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e = dn2entry_w( be, &ndn, NULL );
if( e == NULL ) {
ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
*text = "could not locate authorization entry";
rc = LDAP_NO_SUCH_OBJECT;
goto done;
}
if( is_entry_alias( e ) ) {
/* entry is an alias, don't allow operation */
*text = "authorization entry is alias";
rc = LDAP_ALIAS_PROBLEM;
goto done;
}
rc = LDAP_OTHER;
if( is_entry_referral( e ) ) {
/* entry is an referral, don't allow operation */
*text = "authorization entry is referral";
goto done;
}
{
Modifications ml;
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struct berval vals[2];
char textbuf[SLAP_TEXT_BUFLEN]; /* non-returnable */
vals[0] = hash;
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vals[1].bv_val = NULL;
ml.sml_desc = slap_schema.si_ad_userPassword;
ml.sml_bvalues = vals;
ml.sml_op = LDAP_MOD_REPLACE;
ml.sml_next = NULL;
rc = ldbm_modify_internal( be,
conn, op, op->o_ndn.bv_val, &ml, e, text, textbuf,
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sizeof( textbuf ) );
/* FIXME: ldbm_modify_internal may set *text = textbuf,
* which is BAD */
if ( *text == textbuf ) {
*text = NULL;
}
if( rc ) {
/* cannot return textbuf */
*text = "entry modify failed";
goto done;
}
/* change the entry itself */
if( id2entry_add( be, e ) != 0 ) {
*text = "entry update failed";
rc = LDAP_OTHER;
}
if( rc == LDAP_SUCCESS ) {
replog( be, op, &e->e_name, &e->e_nname, &ml );
}
}
done:
if( e != NULL ) {
cache_return_entry_w( &li->li_cache, e );
ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
}
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if( hash.bv_val != NULL ) {
free( hash.bv_val );
}
if( ndn.bv_val != NULL ) {
free( ndn.bv_val );
}
return rc;
}