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403f4479bc
Replace old Id as needed (back-tcl). Leave updating of contribWare to contributors (for now).
909 lines
23 KiB
C
909 lines
23 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright (c) 1996 Regents of the University of Michigan.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that this notice is preserved and that due credit is given
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* to the University of Michigan at Ann Arbor. The name of the University
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* may not be used to endorse or promote products derived from this
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* software without specific prior written permission. This software
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* is provided ``as is'' without express or implied warranty.
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*/
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/*
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* ldap_op.c - routines to perform LDAP operations
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdlib.h>
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#include <ac/errno.h>
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#include <ac/string.h>
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#include <ac/ctype.h>
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#include <ac/time.h>
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#include <ac/unistd.h>
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#include <ac/krb.h>
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#if defined( STR_TRANSLATION ) && defined( LDAP_DEFAULT_CHARSET )
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/* Get LDAP->ld_lberoptions. Must precede slurp.h, both define ldap_debug. */
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#include "../../libraries/libldap/ldap-int.h"
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#endif
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#include <lber.h>
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#include <ldap.h>
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#include "slurp.h"
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/* Forward references */
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static struct berval **make_singlevalued_berval LDAP_P(( char *, int ));
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static int op_ldap_add LDAP_P(( Ri *, Re *, char ** ));
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static int op_ldap_modify LDAP_P(( Ri *, Re *, char ** ));
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static int op_ldap_delete LDAP_P(( Ri *, Re *, char ** ));
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static int op_ldap_modrdn LDAP_P(( Ri *, Re *, char ** ));
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static LDAPMod *alloc_ldapmod LDAP_P(( void ));
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static void free_ldapmod LDAP_P(( LDAPMod * ));
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static void free_ldmarr LDAP_P(( LDAPMod ** ));
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static int getmodtype LDAP_P(( char * ));
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static void dump_ldm_array LDAP_P(( LDAPMod ** ));
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static char **read_krbnames LDAP_P(( Ri * ));
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#ifdef HAVE_KERBEROS
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static void upcase LDAP_P(( char * ));
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#endif
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static int do_bind LDAP_P(( Ri *, int * ));
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static int do_unbind LDAP_P(( Ri * ));
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static char *kattrs[] = {"kerberosName", NULL };
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static struct timeval kst = {30L, 0L};
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/*
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* Determine the type of ldap operation being performed and call the
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* appropriate routine.
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* - If successful, returns ERR_DO_LDAP_OK
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* - If a retryable error occurs, ERR_DO_LDAP_RETRYABLE is returned.
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* The caller should wait a while and retry the operation.
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* - If a fatal error occurs, ERR_DO_LDAP_FATAL is returned. The caller
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* should reject the operation and continue with the next replication
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* entry.
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*/
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int
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do_ldap(
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Ri *ri,
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Re *re,
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char **errmsg
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)
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{
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int rc = 0;
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int lderr = LDAP_SUCCESS;
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int retry = 2;
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*errmsg = NULL;
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while ( retry > 0 ) {
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if ( ri->ri_ldp == NULL ) {
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rc = do_bind( ri, &lderr );
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if ( rc != BIND_OK ) {
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return DO_LDAP_ERR_RETRYABLE;
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}
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}
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switch ( re->re_changetype ) {
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case T_ADDCT:
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lderr = op_ldap_add( ri, re, errmsg );
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if ( lderr != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_ANY,
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"Error: ldap_add_s failed adding \"%s\": %s\n",
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*errmsg ? *errmsg : ldap_err2string( lderr ),
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re->re_dn, 0 );
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}
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break;
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case T_MODIFYCT:
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lderr = op_ldap_modify( ri, re, errmsg );
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if ( lderr != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_ANY,
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"Error: ldap_modify_s failed modifying \"%s\": %s\n",
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*errmsg ? *errmsg : ldap_err2string( lderr ),
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re->re_dn, 0 );
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}
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break;
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case T_DELETECT:
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lderr = op_ldap_delete( ri, re, errmsg );
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if ( lderr != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_ANY,
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"Error: ldap_delete_s failed deleting \"%s\": %s\n",
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*errmsg ? *errmsg : ldap_err2string( lderr ),
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re->re_dn, 0 );
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}
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break;
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case T_MODRDNCT:
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lderr = op_ldap_modrdn( ri, re, errmsg );
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if ( lderr != LDAP_SUCCESS ) {
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Debug( LDAP_DEBUG_ANY,
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"Error: ldap_modrdn_s failed modifying %s: %s\n",
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*errmsg ? *errmsg : ldap_err2string( lderr ),
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re->re_dn, 0 );
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}
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break;
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default:
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Debug( LDAP_DEBUG_ANY,
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"Error: do_ldap: bad op \"%d\", dn = \"%s\"\n",
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re->re_changetype, re->re_dn, 0 );
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return DO_LDAP_ERR_FATAL;
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}
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/*
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* Analyze return code. If ok, just return. If LDAP_SERVER_DOWN,
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* we may have been idle long enough that the remote slapd timed
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* us out. Rebind and try again.
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*/
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if ( lderr == LDAP_SUCCESS ) {
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return DO_LDAP_OK;
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} else if ( lderr == LDAP_SERVER_DOWN ) {
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/* The LDAP server may have timed us out - rebind and try again */
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(void) do_unbind( ri );
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retry--;
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} else {
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return DO_LDAP_ERR_FATAL;
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}
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}
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return DO_LDAP_ERR_FATAL;
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}
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/*
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* Perform an ldap add operation.
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*/
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static int
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op_ldap_add(
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Ri *ri,
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Re *re,
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char **errmsg
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)
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{
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Mi *mi;
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int nattrs, rc = 0, i;
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LDAPMod *ldm, **ldmarr;
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int lderr = 0;
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nattrs = i = 0;
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ldmarr = NULL;
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/*
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* Construct a null-terminated array of LDAPMod structs.
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*/
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mi = re->re_mods;
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while ( mi[ i ].mi_type != NULL ) {
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ldm = alloc_ldapmod();
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ldmarr = ( LDAPMod ** ) ch_realloc( ldmarr,
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( nattrs + 2 ) * sizeof( LDAPMod * ));
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ldmarr[ nattrs ] = ldm;
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ldm->mod_op = LDAP_MOD_BVALUES;
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ldm->mod_type = mi[ i ].mi_type;
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ldm->mod_bvalues =
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make_singlevalued_berval( mi[ i ].mi_val, mi[ i ].mi_len );
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i++;
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nattrs++;
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}
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if ( ldmarr != NULL ) {
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ldmarr[ nattrs ] = NULL;
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/* Perform the operation */
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Debug( LDAP_DEBUG_ARGS, "replica %s:%d - add dn \"%s\"\n",
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ri->ri_hostname, ri->ri_port, re->re_dn );
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rc = ldap_add_s( ri->ri_ldp, re->re_dn, ldmarr );
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ldap_get_option( ri->ri_ldp, LDAP_OPT_ERROR_NUMBER, &lderr);
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} else {
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*errmsg = "No modifications to do";
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Debug( LDAP_DEBUG_ANY,
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"Error: op_ldap_add: no mods to do (%s)!\n", re->re_dn, 0, 0 );
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}
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free_ldmarr( ldmarr );
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return( lderr );
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}
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/*
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* Perform an ldap modify operation.
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*/
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#define AWAITING_OP -1
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static int
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op_ldap_modify(
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Ri *ri,
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Re *re,
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char **errmsg
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)
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{
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Mi *mi;
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int state; /* This code is a simple-minded state machine */
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int nvals; /* Number of values we're modifying */
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int nops; /* Number of LDAPMod structs in ldmarr */
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LDAPMod *ldm, **ldmarr;
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int i, len;
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char *type, *value;
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int rc = 0;
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state = AWAITING_OP;
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nvals = 0;
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nops = 0;
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ldmarr = NULL;
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if ( re->re_mods == NULL ) {
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*errmsg = "No arguments given";
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Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modify: no arguments\n",
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0, 0, 0 );
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return -1;
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}
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/*
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* Construct a null-terminated array of LDAPMod structs.
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*/
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for ( mi = re->re_mods, i = 0; mi[ i ].mi_type != NULL; i++ ) {
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type = mi[ i ].mi_type;
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value = mi[ i ].mi_val;
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len = mi[ i ].mi_len;
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switch ( getmodtype( type )) {
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case T_MODSEP:
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state = T_MODSEP; /* Got a separator line "-\n" */
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continue;
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case T_MODOPADD:
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state = T_MODOPADD;
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ldmarr = ( LDAPMod ** )
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ch_realloc(ldmarr, (( nops + 2 ) * ( sizeof( LDAPMod * ))));
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ldmarr[ nops ] = ldm = alloc_ldapmod();
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ldm->mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES;
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ldm->mod_type = value;
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nvals = 0;
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nops++;
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break;
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case T_MODOPREPLACE:
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state = T_MODOPREPLACE;
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ldmarr = ( LDAPMod ** )
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ch_realloc(ldmarr, (( nops + 2 ) * ( sizeof( LDAPMod * ))));
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ldmarr[ nops ] = ldm = alloc_ldapmod();
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ldm->mod_op = LDAP_MOD_REPLACE | LDAP_MOD_BVALUES;
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ldm->mod_type = value;
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nvals = 0;
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nops++;
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break;
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case T_MODOPDELETE:
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state = T_MODOPDELETE;
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ldmarr = ( LDAPMod ** )
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ch_realloc(ldmarr, (( nops + 2 ) * ( sizeof( LDAPMod * ))));
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ldmarr[ nops ] = ldm = alloc_ldapmod();
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ldm->mod_op = LDAP_MOD_DELETE | LDAP_MOD_BVALUES;
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ldm->mod_type = value;
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nvals = 0;
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nops++;
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break;
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default:
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if ( state == AWAITING_OP ) {
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Debug( LDAP_DEBUG_ANY,
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"Error: op_ldap_modify: unknown mod type \"%s\"\n",
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type, 0, 0 );
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continue;
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}
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/*
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* We should have an attribute: value pair here.
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* Construct the mod_bvalues part of the ldapmod struct.
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*/
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if ( strcasecmp( type, ldm->mod_type )) {
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Debug( LDAP_DEBUG_ANY,
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"Error: malformed modify op, %s: %s (expecting %s:)\n",
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type, value, ldm->mod_type );
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continue;
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}
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ldm->mod_bvalues = ( struct berval ** )
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ch_realloc( ldm->mod_bvalues,
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( nvals + 2 ) * sizeof( struct berval * ));
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ldm->mod_bvalues[ nvals + 1 ] = NULL;
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ldm->mod_bvalues[ nvals ] = ( struct berval * )
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ch_malloc( sizeof( struct berval ));
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ldm->mod_bvalues[ nvals ]->bv_val = value;
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ldm->mod_bvalues[ nvals ]->bv_len = len;
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nvals++;
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}
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}
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ldmarr[ nops ] = NULL;
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if ( nops > 0 ) {
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/* Actually perform the LDAP operation */
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Debug( LDAP_DEBUG_ARGS, "replica %s:%d - modify dn \"%s\"\n",
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ri->ri_hostname, ri->ri_port, re->re_dn );
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rc = ldap_modify_s( ri->ri_ldp, re->re_dn, ldmarr );
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}
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free_ldmarr( ldmarr );
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return( rc );
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}
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/*
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* Perform an ldap delete operation.
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*/
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static int
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op_ldap_delete(
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Ri *ri,
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Re *re,
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char **errmsg
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)
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{
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int rc;
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Debug( LDAP_DEBUG_ARGS, "replica %s:%d - delete dn \"%s\"\n",
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ri->ri_hostname, ri->ri_port, re->re_dn );
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rc = ldap_delete_s( ri->ri_ldp, re->re_dn );
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return( rc );
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}
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/*
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* Perform an ldap modrdn operation.
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*/
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#define GOT_NEWRDN 0x1
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#define GOT_DELOLDRDN 0x2
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#define GOT_NEWSUP 0x4
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#define GOT_MODDN_REQ (GOT_NEWRDN|GOT_DELOLDRDN)
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#define GOT_ALL_MODDN(f) (((f) & GOT_MODDN_REQ) == GOT_MODDN_REQ)
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static int
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op_ldap_modrdn(
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Ri *ri,
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Re *re,
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char **errmsg
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)
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{
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int rc = 0;
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Mi *mi;
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int i;
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int lderr = 0;
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int state = 0;
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int drdnflag = -1;
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char *newrdn;
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char *newsup = NULL;
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if ( re->re_mods == NULL ) {
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*errmsg = "No arguments given";
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Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: no arguments\n",
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0, 0, 0 );
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return -1;
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}
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/*
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* Get the arguments: should see newrdn: and deleteoldrdn: args.
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*/
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for ( mi = re->re_mods, i = 0; mi[ i ].mi_type != NULL; i++ ) {
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if ( !strcmp( mi[ i ].mi_type, T_NEWRDNSTR )) {
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if( state & GOT_NEWRDN ) {
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Debug( LDAP_DEBUG_ANY,
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"Error: op_ldap_modrdn: multiple newrdn arg \"%s\"\n",
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mi[ i ].mi_val, 0, 0 );
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*errmsg = "Multiple newrdn argument";
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return -1;
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}
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newrdn = mi[ i ].mi_val;
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state |= GOT_NEWRDN;
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} else if ( !strcmp( mi[ i ].mi_type, T_DELOLDRDNSTR )) {
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if( state & GOT_DELOLDRDN ) {
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Debug( LDAP_DEBUG_ANY,
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"Error: op_ldap_modrdn: multiple deleteoldrdn arg \"%s\"\n",
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mi[ i ].mi_val, 0, 0 );
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*errmsg = "Multiple newrdn argument";
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return -1;
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}
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state |= GOT_DELOLDRDN;
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if ( !strcmp( mi[ i ].mi_val, "0" )) {
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drdnflag = 0;
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} else if ( !strcmp( mi[ i ].mi_val, "1" )) {
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drdnflag = 1;
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} else {
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Debug( LDAP_DEBUG_ANY,
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"Error: op_ldap_modrdn: bad deleteoldrdn arg \"%s\"\n",
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mi[ i ].mi_val, 0, 0 );
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*errmsg = "Incorrect argument to deleteoldrdn";
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return -1;
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}
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} else if ( !strcmp( mi[ i ].mi_type, T_NEWSUPSTR )) {
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if( state & GOT_NEWSUP ) {
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Debug( LDAP_DEBUG_ANY,
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"Error: op_ldap_modrdn: multiple newsuperior arg \"%s\"\n",
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mi[ i ].mi_val, 0, 0 );
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*errmsg = "Multiple newrdn argument";
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return -1;
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}
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newrdn = mi[ i ].mi_val;
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state |= GOT_NEWSUP;
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} else {
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Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: bad type \"%s\"\n",
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mi[ i ].mi_type, 0, 0 );
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*errmsg = "Bad value in replication log entry";
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return -1;
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}
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}
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/*
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* Punt if we don't have all the args.
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*/
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if ( GOT_ALL_MODDN(state) ) {
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Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: missing arguments\n",
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0, 0, 0 );
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*errmsg = "Missing argument: requires \"newrdn\" and \"deleteoldrdn\"";
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return -1;
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}
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#ifdef LDAP_DEBUG
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if ( ldap_debug & LDAP_DEBUG_ARGS ) {
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char buf[ 256 ];
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char *buf2;
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sprintf( buf, "%s:%d", ri->ri_hostname, ri->ri_port );
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buf2 = (char *) ch_malloc( strlen( re->re_dn ) + strlen( mi->mi_val )
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+ 10 );
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sprintf( buf2, "(\"%s\" -> \"%s\")", re->re_dn, mi->mi_val );
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Debug( LDAP_DEBUG_ARGS,
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"replica %s - modify rdn %s (flag: %d)\n",
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buf, buf2, drdnflag );
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free( buf2 );
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}
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#endif /* LDAP_DEBUG */
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/* Do the modrdn */
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rc = ldap_rename2_s( ri->ri_ldp, re->re_dn, mi->mi_val, drdnflag, newsup );
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ldap_get_option( ri->ri_ldp, LDAP_OPT_ERROR_NUMBER, &lderr);
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return( lderr );
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}
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/*
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* Allocate and initialize an ldapmod struct.
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*/
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static LDAPMod *
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alloc_ldapmod( void )
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{
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LDAPMod *ldm;
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ldm = ( struct ldapmod * ) ch_malloc( sizeof ( struct ldapmod ));
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ldm->mod_type = NULL;
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ldm->mod_bvalues = ( struct berval ** ) NULL;
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return( ldm );
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}
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/*
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|
* Free an ldapmod struct associated mod_bvalues. NOTE - it is assumed
|
|
* that mod_bvalues and mod_type contain pointers to the same block of memory
|
|
* pointed to by the repl struct. Therefore, it's not freed here.
|
|
*/
|
|
static void
|
|
free_ldapmod(
|
|
LDAPMod *ldm )
|
|
{
|
|
int i;
|
|
|
|
if ( ldm == NULL ) {
|
|
return;
|
|
}
|
|
if ( ldm->mod_bvalues != NULL ) {
|
|
for ( i = 0; ldm->mod_bvalues[ i ] != NULL; i++ ) {
|
|
free( ldm->mod_bvalues[ i ] );
|
|
}
|
|
free( ldm->mod_bvalues );
|
|
}
|
|
free( ldm );
|
|
return;
|
|
}
|
|
|
|
|
|
/*
|
|
* Free an an array of LDAPMod pointers and the LDAPMod structs they point
|
|
* to.
|
|
*/
|
|
static void
|
|
free_ldmarr(
|
|
LDAPMod **ldmarr )
|
|
{
|
|
int i;
|
|
|
|
for ( i = 0; ldmarr[ i ] != NULL; i++ ) {
|
|
free_ldapmod( ldmarr[ i ] );
|
|
}
|
|
free( ldmarr );
|
|
}
|
|
|
|
|
|
/*
|
|
* Create a berval with a single value.
|
|
*/
|
|
static struct berval **
|
|
make_singlevalued_berval(
|
|
char *value,
|
|
int len )
|
|
{
|
|
struct berval **p;
|
|
|
|
p = ( struct berval ** ) ch_malloc( 2 * sizeof( struct berval * ));
|
|
p[ 0 ] = ( struct berval * ) ch_malloc( sizeof( struct berval ));
|
|
p[ 1 ] = NULL;
|
|
p[ 0 ]->bv_val = value;
|
|
p[ 0 ]->bv_len = len;
|
|
return( p );
|
|
}
|
|
|
|
|
|
/*
|
|
* Given a modification type (string), return an enumerated type.
|
|
* Avoids ugly copy in op_ldap_modify - lets us use a switch statement
|
|
* there.
|
|
*/
|
|
static int
|
|
getmodtype(
|
|
char *type )
|
|
{
|
|
if ( !strcmp( type, T_MODSEPSTR )) {
|
|
return( T_MODSEP );
|
|
}
|
|
if ( !strcmp( type, T_MODOPADDSTR )) {
|
|
return( T_MODOPADD );
|
|
}
|
|
if ( !strcmp( type, T_MODOPREPLACESTR )) {
|
|
return( T_MODOPREPLACE );
|
|
}
|
|
if ( !strcmp( type, T_MODOPDELETESTR )) {
|
|
return( T_MODOPDELETE );
|
|
}
|
|
return( T_ERR );
|
|
}
|
|
|
|
|
|
/*
|
|
* Perform an LDAP unbind operation. If replica is NULL, or the
|
|
* repl_ldp is NULL, just return LDAP_SUCCESS. Otherwise, unbind,
|
|
* set the ldp to NULL, and return the result of the unbind call.
|
|
*/
|
|
static int
|
|
do_unbind(
|
|
Ri *ri
|
|
)
|
|
{
|
|
int rc = LDAP_SUCCESS;
|
|
|
|
if (( ri != NULL ) && ( ri->ri_ldp != NULL )) {
|
|
rc = ldap_unbind( ri->ri_ldp );
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: do_unbind: ldap_unbind failed for %s:%d: %s\n",
|
|
ri->ri_hostname, ri->ri_port, ldap_err2string( rc ) );
|
|
}
|
|
ri->ri_ldp = NULL;
|
|
}
|
|
return rc;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* Perform an LDAP bind operation to the replication site given
|
|
* by replica. If replica->repl_ldp is non-NULL, then we unbind
|
|
* from the replica before rebinding. It should be safe to call
|
|
* this to re-connect if the replica's connection goes away
|
|
* for some reason.
|
|
*
|
|
* Returns 0 on success, -1 if an LDAP error occurred, and a return
|
|
* code > 0 if some other error occurred, e.g. invalid bind method.
|
|
* If an LDAP error occurs, the LDAP error is returned in lderr.
|
|
*/
|
|
static int
|
|
do_bind(
|
|
Ri *ri,
|
|
int *lderr
|
|
)
|
|
{
|
|
int ldrc;
|
|
#ifdef HAVE_KERBEROS
|
|
int rc;
|
|
int retval = 0;
|
|
int kni, got_tgt;
|
|
char **krbnames;
|
|
char *skrbnames[ 2 ];
|
|
char realm[ REALM_SZ ];
|
|
char name[ ANAME_SZ ];
|
|
char instance[ INST_SZ ];
|
|
#endif /* HAVE_KERBEROS */
|
|
|
|
*lderr = 0;
|
|
|
|
if ( ri == NULL ) {
|
|
Debug( LDAP_DEBUG_ANY, "Error: do_bind: null ri ptr\n", 0, 0, 0 );
|
|
return( BIND_ERR_BADRI );
|
|
}
|
|
|
|
if ( ri->ri_ldp != NULL ) {
|
|
ldrc = ldap_unbind( ri->ri_ldp );
|
|
if ( ldrc != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: do_bind: ldap_unbind failed: %s\n",
|
|
ldap_err2string( ldrc ), 0, 0 );
|
|
}
|
|
ri->ri_ldp = NULL;
|
|
}
|
|
|
|
Debug( LDAP_DEBUG_ARGS, "Initializing session to %s:%d\n",
|
|
ri->ri_hostname, ri->ri_port, 0 );
|
|
ri->ri_ldp = ldap_init( ri->ri_hostname, ri->ri_port );
|
|
if ( ri->ri_ldp == NULL ) {
|
|
Debug( LDAP_DEBUG_ANY, "Error: ldap_init(%s, %d) failed: %s\n",
|
|
ri->ri_hostname, ri->ri_port, sys_errlist[ errno ] );
|
|
return( BIND_ERR_OPEN );
|
|
}
|
|
|
|
/*
|
|
* Disable string translation if enabled by default.
|
|
* The replication log is written in the internal format,
|
|
* so this would do another translation, breaking havoc.
|
|
*/
|
|
#if defined( STR_TRANSLATION ) && defined( LDAP_DEFAULT_CHARSET )
|
|
ri->ri_ldp->ld_lberoptions &= ~LBER_TRANSLATE_STRINGS;
|
|
#endif /* STR_TRANSLATION && LDAP_DEFAULT_CHARSET */
|
|
|
|
/*
|
|
* Set ldap library options to (1) not follow referrals, and
|
|
* (2) restart the select() system call.
|
|
*/
|
|
ldap_set_option(ri->ri_ldp, LDAP_OPT_REFERRALS, LDAP_OPT_OFF);
|
|
ldap_set_option(ri->ri_ldp, LDAP_OPT_RESTART, LDAP_OPT_ON);
|
|
|
|
switch ( ri->ri_bind_method ) {
|
|
case AUTH_KERBEROS:
|
|
#ifndef HAVE_KERBEROS
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: Kerberos bind for %s:%d, but not compiled w/kerberos\n",
|
|
ri->ri_hostname, ri->ri_port, 0 );
|
|
return( BIND_ERR_KERBEROS_FAILED );
|
|
#else /* HAVE_KERBEROS */
|
|
/*
|
|
* Bind using kerberos.
|
|
* If "bindprincipal" was given in the config file, then attempt
|
|
* to get a TGT for that principal (via the srvtab file). If only
|
|
* a binddn was given, then we need to read that entry to get
|
|
* the kerberosName attributes, and try to get a TGT for one
|
|
* of them. All are tried. The first one which succeeds is
|
|
* returned. XXX It might be a good idea to just require a
|
|
* bindprincipal. Reading the entry every time might be a significant
|
|
* amount of overhead, if the connection is closed between most
|
|
* updates.
|
|
*/
|
|
|
|
if ( ri->ri_principal != NULL ) {
|
|
skrbnames[ 0 ] = ri->ri_principal;
|
|
skrbnames[ 1 ] = NULL;
|
|
krbnames = skrbnames;
|
|
} else {
|
|
krbnames = read_krbnames( ri );
|
|
}
|
|
|
|
if (( krbnames == NULL ) || ( krbnames[ 0 ] == NULL )) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: Can't find krbname for binddn \"%s\"\n",
|
|
ri->ri_bind_dn, 0, 0 );
|
|
retval = BIND_ERR_KERBEROS_FAILED;
|
|
goto kexit;
|
|
}
|
|
/*
|
|
* Now we've got one or more kerberos principals. See if any
|
|
* of them are in the srvtab file.
|
|
*/
|
|
got_tgt = 0;
|
|
for ( kni = 0; krbnames[ kni ] != NULL; kni++ ) {
|
|
rc = kname_parse( name, instance, realm, krbnames[ kni ]);
|
|
if ( rc != KSUCCESS ) {
|
|
continue;
|
|
}
|
|
upcase( realm );
|
|
rc = krb_get_svc_in_tkt( name, instance, realm, "krbtgt", realm,
|
|
1, ri->ri_srvtab );
|
|
if ( rc != KSUCCESS) {
|
|
Debug( LDAP_DEBUG_ANY, "Error: Can't get TGT for %s: %s\n",
|
|
krbnames[ kni ], krb_err_txt[ rc ], 0 );
|
|
} else {
|
|
got_tgt = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!got_tgt) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: Could not obtain TGT for DN \"%s\"\n",
|
|
ri->ri_bind_dn, 0, 0 );
|
|
retval = BIND_ERR_KERBEROS_FAILED;
|
|
goto kexit;
|
|
}
|
|
/*
|
|
* We've got a TGT. Do a kerberos bind.
|
|
*/
|
|
Debug( LDAP_DEBUG_ARGS, "bind to %s:%d as %s (kerberos)\n",
|
|
ri->ri_hostname, ri->ri_port, ri->ri_bind_dn );
|
|
ldrc = ldap_kerberos_bind_s( ri->ri_ldp, ri->ri_bind_dn );
|
|
ri->ri_principal = strdup( krbnames[ kni ] );
|
|
if ( ldrc != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_ANY, "Error: kerberos bind for %s:%dfailed: %s\n",
|
|
ri->ri_hostname, ri->ri_port, ldap_err2string( ldrc ));
|
|
*lderr = ldrc;
|
|
retval = BIND_ERR_KERBEROS_FAILED;
|
|
goto kexit;
|
|
}
|
|
kexit: if ( krbnames != NULL ) {
|
|
ldap_value_free( krbnames );
|
|
}
|
|
return( retval);
|
|
break;
|
|
#endif /* HAVE_KERBEROS */
|
|
case AUTH_SIMPLE:
|
|
/*
|
|
* Bind with a plaintext password.
|
|
*/
|
|
Debug( LDAP_DEBUG_ARGS, "bind to %s:%d as %s (simple)\n",
|
|
ri->ri_hostname, ri->ri_port, ri->ri_bind_dn );
|
|
ldrc = ldap_simple_bind_s( ri->ri_ldp, ri->ri_bind_dn,
|
|
ri->ri_password );
|
|
if ( ldrc != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: ldap_simple_bind_s for %s:%d failed: %s\n",
|
|
ri->ri_hostname, ri->ri_port, ldap_err2string( ldrc ));
|
|
*lderr = ldrc;
|
|
return( BIND_ERR_SIMPLE_FAILED );
|
|
} else {
|
|
return( BIND_OK );
|
|
}
|
|
break;
|
|
default:
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: do_bind: unknown auth type \"%d\" for %s:%d\n",
|
|
ri->ri_bind_method, ri->ri_hostname, ri->ri_port );
|
|
return( BIND_ERR_BAD_ATYPE );
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
* For debugging. Print the contents of an ldmarr array.
|
|
*/
|
|
static void
|
|
dump_ldm_array(
|
|
LDAPMod **ldmarr
|
|
)
|
|
{
|
|
int i, j;
|
|
LDAPMod *ldm;
|
|
struct berval *b;
|
|
char *msgbuf;
|
|
|
|
for ( i = 0; ldmarr[ i ] != NULL; i++ ) {
|
|
ldm = ldmarr[ i ];
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"Trace (%ld): *** ldmarr[ %d ] contents:\n",
|
|
(long) getpid(), i, 0 );
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"Trace (%ld): *** ldm->mod_op: %d\n",
|
|
(long) getpid(), ldm->mod_op, 0 );
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"Trace (%ld): *** ldm->mod_type: %s\n",
|
|
(long) getpid(), ldm->mod_type, 0 );
|
|
if ( ldm->mod_bvalues != NULL ) {
|
|
for ( j = 0; ( b = ldm->mod_bvalues[ j ] ) != NULL; j++ ) {
|
|
msgbuf = ch_malloc( b->bv_len + 512 );
|
|
sprintf( msgbuf, "***** bv[ %d ] len = %ld, val = <%s>",
|
|
j, b->bv_len, b->bv_val );
|
|
Debug( LDAP_DEBUG_TRACE,
|
|
"Trace (%ld):%s\n", (long) getpid(), msgbuf, 0 );
|
|
free( msgbuf );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Get the kerberos names from the binddn for "replica" via an ldap search.
|
|
* Returns a null-terminated array of char *, or NULL if the entry could
|
|
* not be found or there were no kerberosName attributes. The caller is
|
|
* responsible for freeing the returned array and strings it points to.
|
|
*/
|
|
static char **
|
|
read_krbnames(
|
|
Ri *ri
|
|
)
|
|
{
|
|
int rc;
|
|
char **krbnames;
|
|
int ne;
|
|
LDAPMessage *result, *entry;
|
|
|
|
/* First need to bind as NULL */
|
|
rc = ldap_simple_bind_s( ri->ri_ldp, NULL, NULL );
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: null bind failed getting krbnames for %s:%d: %s\n",
|
|
ri->ri_hostname, ri->ri_port, ldap_err2string( rc ));
|
|
return( NULL );
|
|
}
|
|
rc = ldap_search_st( ri->ri_ldp, ri->ri_bind_dn, LDAP_SCOPE_BASE,
|
|
"objectclass=*", kattrs, 0, &kst, &result );
|
|
if ( rc != LDAP_SUCCESS ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: search failed getting krbnames for %s:%d: %s\n",
|
|
ri->ri_hostname, ri->ri_port, ldap_err2string( rc ));
|
|
return( NULL );
|
|
}
|
|
ne = ldap_count_entries( ri->ri_ldp, result );
|
|
if ( ne == 0 ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: Can't find entry \"%s\" for %s:%d kerberos bind\n",
|
|
ri->ri_bind_dn, ri->ri_hostname, ri->ri_port );
|
|
return( NULL );
|
|
}
|
|
if ( ne > 1 ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: Kerberos binddn \"%s\" for %s:%dis ambiguous\n",
|
|
ri->ri_bind_dn, ri->ri_hostname, ri->ri_port );
|
|
return( NULL );
|
|
}
|
|
entry = ldap_first_entry( ri->ri_ldp, result );
|
|
if ( entry == NULL ) {
|
|
Debug( LDAP_DEBUG_ANY,
|
|
"Error: Can't find \"%s\" for kerberos binddn for %s:%d\n",
|
|
ri->ri_bind_dn, ri->ri_hostname, ri->ri_port );
|
|
return( NULL );
|
|
}
|
|
krbnames = ldap_get_values( ri->ri_ldp, entry, "kerberosName" );
|
|
ldap_msgfree( result );
|
|
return( krbnames );
|
|
}
|
|
|
|
|
|
#ifdef HAVE_KERBEROS
|
|
|
|
/*
|
|
* upcase a string
|
|
*/
|
|
static void
|
|
upcase(
|
|
char *s
|
|
)
|
|
{
|
|
char *p;
|
|
|
|
for ( p = s; ( p != NULL ) && ( *p != '\0' ); p++ ) {
|
|
*p = TOUPPER( (unsigned char) *p );
|
|
}
|
|
}
|
|
|
|
#endif /* HAVE_KERBEROS */
|