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openldap/servers/slurpd/ldap_op.c
Kurt Zeilenga 3c598e89fb Happy new year
2004-01-01 19:15:16 +00:00

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/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 1998-2004 The OpenLDAP Foundation.
* Portions Copyright 2003 Mark Benson.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* Portions Copyright (c) 1996 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
/* ACKNOWLEDGEMENTS:
* This work was originally developed by the University of Michigan
* (as part of U-MICH LDAP). Additional significant contributors
* include:
* Mark Benson
*/
/*
* ldap_op.c - routines to perform LDAP operations
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/errno.h>
#include <ac/string.h>
#include <ac/ctype.h>
#include <ac/time.h>
#include <ac/unistd.h>
#define LDAP_DEPRECATED 1
#include <ldap.h>
#include "lutil_ldap.h"
#include "slurp.h"
/* Forward references */
static struct berval **make_singlevalued_berval LDAP_P(( char *, int ));
static int op_ldap_add LDAP_P(( Ri *, Re *, char **, int * ));
static int op_ldap_modify LDAP_P(( Ri *, Re *, char **, int * ));
static int op_ldap_delete LDAP_P(( Ri *, Re *, char **, int * ));
static int op_ldap_modrdn LDAP_P(( Ri *, Re *, char **, int * ));
static LDAPMod *alloc_ldapmod LDAP_P(( void ));
static void free_ldapmod LDAP_P(( LDAPMod * ));
static void free_ldmarr LDAP_P(( LDAPMod ** ));
static int getmodtype LDAP_P(( char * ));
static void dump_ldm_array LDAP_P(( LDAPMod ** ));
static int do_bind LDAP_P(( Ri *, int * ));
static int do_unbind LDAP_P(( Ri * ));
/*
* Determine the type of ldap operation being performed and call the
* appropriate routine.
* - If successful, returns DO_LDAP_OK
* - If a retryable error occurs, ERR_DO_LDAP_RETRYABLE is returned.
* The caller should wait a while and retry the operation.
* - If a fatal error occurs, ERR_DO_LDAP_FATAL is returned. The caller
* should reject the operation and continue with the next replication
* entry.
*/
int
do_ldap(
Ri *ri,
Re *re,
char **errmsg,
int *errfree
)
{
int retry = 2;
*errmsg = NULL;
*errfree = 0;
do {
int lderr;
if ( ri->ri_ldp == NULL ) {
lderr = do_bind( ri, &lderr );
if ( lderr != BIND_OK ) {
return DO_LDAP_ERR_RETRYABLE;
}
}
switch ( re->re_changetype ) {
case T_ADDCT:
lderr = op_ldap_add( ri, re, errmsg, errfree );
if ( lderr != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_ldap: "
"Error: ldap_add_s failed adding \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap_add_s failed adding \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
#endif
}
break;
case T_MODIFYCT:
lderr = op_ldap_modify( ri, re, errmsg, errfree );
if ( lderr != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_ldap: "
"Error: ldap_modify_s failed modifying \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap_modify_s failed modifying \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
#endif
}
break;
case T_DELETECT:
lderr = op_ldap_delete( ri, re, errmsg, errfree );
if ( lderr != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_ldap: "
"Error: ldap_delete_s failed deleting \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap_delete_s failed deleting \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
#endif
}
break;
case T_MODRDNCT:
lderr = op_ldap_modrdn( ri, re, errmsg, errfree );
if ( lderr != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_ldap: "
"Error: ldap_modrdn_s failed modifying %s: %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap_modrdn_s failed modifying %s: %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
#endif
}
break;
default:
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_ldap: "
"Error: bad op \"%d\", dn = \"%s\"\n",
re->re_changetype, re->re_dn, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: do_ldap: bad op \"%d\", dn = \"%s\"\n",
re->re_changetype, re->re_dn, 0 );
#endif
return DO_LDAP_ERR_FATAL;
}
/*
* Analyze return code. If ok, just return. If LDAP_SERVER_DOWN,
* we may have been idle long enough that the remote slapd timed
* us out. Rebind and try again.
*/
switch( lderr ) {
case LDAP_SUCCESS:
return DO_LDAP_OK;
default:
return DO_LDAP_ERR_FATAL;
case LDAP_SERVER_DOWN: /* server went down */
(void) do_unbind( ri );
retry--;
}
} while ( retry > 0 );
return DO_LDAP_ERR_RETRYABLE;
}
/*
* Perform an ldap add operation.
*/
static int
op_ldap_add(
Ri *ri,
Re *re,
char **errmsg,
int *errfree
)
{
Mi *mi;
int nattrs, rc = 0, i;
LDAPMod *ldm, **ldmarr;
int lderr = 0;
nattrs = i = 0;
ldmarr = NULL;
/*
* Construct a null-terminated array of LDAPMod structs.
*/
mi = re->re_mods;
while ( mi[ i ].mi_type != NULL ) {
ldm = alloc_ldapmod();
ldmarr = ( LDAPMod ** ) ch_realloc( ldmarr,
( nattrs + 2 ) * sizeof( LDAPMod * ));
ldmarr[ nattrs ] = ldm;
ldm->mod_op = LDAP_MOD_BVALUES;
ldm->mod_type = mi[ i ].mi_type;
ldm->mod_bvalues =
make_singlevalued_berval( mi[ i ].mi_val, mi[ i ].mi_len );
i++;
nattrs++;
}
if ( ldmarr != NULL ) {
ldmarr[ nattrs ] = NULL;
/* Perform the operation */
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ARGS,
"op_ldap_add: replica %s:%d - add dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
#else
Debug( LDAP_DEBUG_ARGS, "replica %s:%d - add dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
#endif
rc = ldap_add_s( ri->ri_ldp, re->re_dn, ldmarr );
ldap_get_option( ri->ri_ldp, LDAP_OPT_ERROR_NUMBER, &lderr);
ldap_get_option( ri->ri_ldp, LDAP_OPT_ERROR_STRING, errmsg);
*errfree = 1;
} else {
*errmsg = "No modifications to do";
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_add: Error: no mods to do (%s)!\n", re->re_dn, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_add: no mods to do (%s)!\n", re->re_dn, 0, 0 );
#endif
}
free_ldmarr( ldmarr );
return( lderr );
}
/*
* Perform an ldap modify operation.
*/
#define AWAITING_OP -1
static int
op_ldap_modify(
Ri *ri,
Re *re,
char **errmsg,
int *errfree
)
{
Mi *mi;
int state; /* This code is a simple-minded state machine */
int nvals; /* Number of values we're modifying */
int nops; /* Number of LDAPMod structs in ldmarr */
LDAPMod *ldm = NULL, **ldmarr;
int i, len;
char *type, *value;
int rc = 0;
state = AWAITING_OP;
nvals = 0;
nops = 0;
ldmarr = NULL;
if ( re->re_mods == NULL ) {
*errmsg = "No arguments given";
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modify: Error: no arguments\n" , 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modify: no arguments\n",
0, 0, 0 );
#endif
return -1;
}
/*
* Construct a null-terminated array of LDAPMod structs.
*/
for ( mi = re->re_mods, i = 0; mi[ i ].mi_type != NULL; i++ ) {
type = mi[ i ].mi_type;
value = mi[ i ].mi_val;
len = mi[ i ].mi_len;
switch ( getmodtype( type )) {
case T_MODSEP:
state = T_MODSEP; /* Got a separator line "-\n" */
continue;
case T_MODOPADD:
state = T_MODOPADD;
ldmarr = ( LDAPMod ** )
ch_realloc(ldmarr, (( nops + 2 ) * ( sizeof( LDAPMod * ))));
ldmarr[ nops ] = ldm = alloc_ldapmod();
ldm->mod_op = LDAP_MOD_ADD | LDAP_MOD_BVALUES;
ldm->mod_type = value;
nvals = 0;
nops++;
break;
case T_MODOPREPLACE:
state = T_MODOPREPLACE;
ldmarr = ( LDAPMod ** )
ch_realloc(ldmarr, (( nops + 2 ) * ( sizeof( LDAPMod * ))));
ldmarr[ nops ] = ldm = alloc_ldapmod();
ldm->mod_op = LDAP_MOD_REPLACE | LDAP_MOD_BVALUES;
ldm->mod_type = value;
nvals = 0;
nops++;
break;
case T_MODOPDELETE:
state = T_MODOPDELETE;
ldmarr = ( LDAPMod ** )
ch_realloc(ldmarr, (( nops + 2 ) * ( sizeof( LDAPMod * ))));
ldmarr[ nops ] = ldm = alloc_ldapmod();
ldm->mod_op = LDAP_MOD_DELETE | LDAP_MOD_BVALUES;
ldm->mod_type = value;
nvals = 0;
nops++;
break;
case T_MODOPINCREMENT:
state = T_MODOPINCREMENT;
ldmarr = ( LDAPMod ** )
ch_realloc(ldmarr, (( nops + 2 ) * ( sizeof( LDAPMod * ))));
ldmarr[ nops ] = ldm = alloc_ldapmod();
ldm->mod_op = LDAP_MOD_INCREMENT | LDAP_MOD_BVALUES;
ldm->mod_type = value;
nvals = 0;
nops++;
break;
default:
if ( state == AWAITING_OP ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modify: Error: unknown mod type \"%s\"\n", type, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_modify: unknown mod type \"%s\"\n",
type, 0, 0 );
#endif
continue;
}
assert( ldm );
/*
* We should have an attribute: value pair here.
* Construct the mod_bvalues part of the ldapmod struct.
*/
if ( strcasecmp( type, ldm->mod_type )) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modify: Error: "
"malformed modify op, %s: %s (expecting \"%s\")\n",
type, value, ldm->mod_type );
#else
Debug( LDAP_DEBUG_ANY,
"Error: malformed modify op, %s: %s (expecting %s:)\n",
type, value, ldm->mod_type );
#endif
continue;
}
ldm->mod_bvalues = ( struct berval ** )
ch_realloc( ldm->mod_bvalues,
( nvals + 2 ) * sizeof( struct berval * ));
ldm->mod_bvalues[ nvals + 1 ] = NULL;
ldm->mod_bvalues[ nvals ] = ( struct berval * )
ch_malloc( sizeof( struct berval ));
ldm->mod_bvalues[ nvals ]->bv_val = value;
ldm->mod_bvalues[ nvals ]->bv_len = len;
nvals++;
}
}
ldmarr[ nops ] = NULL;
if ( nops > 0 ) {
/* Actually perform the LDAP operation */
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, DETAIL1,
"op_ldap_modify: replica %s:%d - modify dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
#else
Debug( LDAP_DEBUG_ARGS, "replica %s:%d - modify dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
#endif
rc = ldap_modify_s( ri->ri_ldp, re->re_dn, ldmarr );
ldap_get_option( ri->ri_ldp, LDAP_OPT_ERROR_STRING, errmsg);
*errfree = 1;
}
free_ldmarr( ldmarr );
return( rc );
}
/*
* Perform an ldap delete operation.
*/
static int
op_ldap_delete(
Ri *ri,
Re *re,
char **errmsg,
int *errfree
)
{
int rc;
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ARGS,
"op_ldap_delete: replica %s:%d - delete dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
#else
Debug( LDAP_DEBUG_ARGS, "replica %s:%d - delete dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
#endif
rc = ldap_delete_s( ri->ri_ldp, re->re_dn );
ldap_get_option( ri->ri_ldp, LDAP_OPT_ERROR_STRING, errmsg);
*errfree = 1;
return( rc );
}
/*
* Perform an ldap modrdn operation.
*/
#define GOT_NEWRDN 0x1
#define GOT_DELOLDRDN 0x2
#define GOT_NEWSUP 0x4
#define GOT_MODDN_REQ (GOT_NEWRDN|GOT_DELOLDRDN)
#define GOT_ALL_MODDN(f) (((f) & GOT_MODDN_REQ) == GOT_MODDN_REQ)
static int
op_ldap_modrdn(
Ri *ri,
Re *re,
char **errmsg,
int *errfree
)
{
int rc = 0;
Mi *mi;
int i;
int lderr = 0;
int state = 0;
int drdnflag = -1;
char *newrdn = NULL;
char *newsup = NULL;
if ( re->re_mods == NULL ) {
*errmsg = "No arguments given";
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modrdn: Error: no arguments\n" , 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: no arguments\n",
0, 0, 0 );
#endif
return -1;
}
/*
* Get the arguments: should see newrdn: and deleteoldrdn: args.
*/
for ( mi = re->re_mods, i = 0; mi[ i ].mi_type != NULL; i++ ) {
if ( !strcmp( mi[ i ].mi_type, T_NEWRDNSTR )) {
if( state & GOT_NEWRDN ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modrdn: Error: multiple newrdn arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_modrdn: multiple newrdn arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
#endif
*errmsg = "Multiple newrdn argument";
return -1;
}
newrdn = mi[ i ].mi_val;
state |= GOT_NEWRDN;
} else if ( !strcmp( mi[ i ].mi_type, T_DELOLDRDNSTR )) {
if( state & GOT_DELOLDRDN ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modrdn: Error: multiple deleteoldrdn arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_modrdn: multiple deleteoldrdn arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
#endif
*errmsg = "Multiple newrdn argument";
return -1;
}
state |= GOT_DELOLDRDN;
if ( !strcmp( mi[ i ].mi_val, "0" )) {
drdnflag = 0;
} else if ( !strcmp( mi[ i ].mi_val, "1" )) {
drdnflag = 1;
} else {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modrdn: Error: bad deleteoldrdn arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_modrdn: bad deleteoldrdn arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
#endif
*errmsg = "Incorrect argument to deleteoldrdn";
return -1;
}
} else if ( !strcmp( mi[ i ].mi_type, T_NEWSUPSTR )) {
if( state & GOT_NEWSUP ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modrdn: Error: multiple newsuperior arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_modrdn: multiple newsuperior arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
#endif
*errmsg = "Multiple newsuperior argument";
return -1;
}
newsup = mi[ i ].mi_val;
state |= GOT_NEWSUP;
} else {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modrdn: Error: bad type \"%s\"\n",
mi[ i ].mi_type, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: bad type \"%s\"\n",
mi[ i ].mi_type, 0, 0 );
#endif
*errmsg = "Bad value in replication log entry";
return -1;
}
}
/*
* Punt if we don't have all the args.
*/
if ( !GOT_ALL_MODDN(state) ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"op_ldap_modrdn: Error: missing arguments\n" , 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: missing arguments\n",
0, 0, 0 );
#endif
*errmsg = "Missing argument: requires \"newrdn\" and \"deleteoldrdn\"";
return -1;
}
#ifdef LDAP_DEBUG
if ( ldap_debug & LDAP_DEBUG_ARGS ) {
char buf[ 256 ];
char *buf2;
int buf2len = strlen( re->re_dn ) + strlen( mi->mi_val ) + 11;
snprintf( buf, sizeof(buf), "%s:%d", ri->ri_hostname, ri->ri_port );
buf2 = (char *) ch_malloc( buf2len );
snprintf( buf2, buf2len, "(\"%s\" -> \"%s\")", re->re_dn, mi->mi_val );
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ARGS,
"op_ldap_modrdn: replica %s - modify rdn %s (flag: %d)\n",
buf, buf2, drdnflag );
#else
Debug( LDAP_DEBUG_ARGS,
"replica %s - modify rdn %s (flag: %d)\n",
buf, buf2, drdnflag );
#endif
free( buf2 );
}
#endif /* LDAP_DEBUG */
assert( newrdn );
/* Do the modrdn */
rc = ldap_rename2_s( ri->ri_ldp, re->re_dn, newrdn, newsup, drdnflag );
ldap_get_option( ri->ri_ldp, LDAP_OPT_ERROR_NUMBER, &lderr);
ldap_get_option( ri->ri_ldp, LDAP_OPT_ERROR_STRING, errmsg);
*errfree = 1;
return( lderr );
}
/*
* Allocate and initialize an ldapmod struct.
*/
static LDAPMod *
alloc_ldapmod( void )
{
LDAPMod *ldm;
ldm = ( struct ldapmod * ) ch_malloc( sizeof ( struct ldapmod ));
ldm->mod_type = NULL;
ldm->mod_bvalues = ( struct berval ** ) NULL;
return( ldm );
}
/*
* 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 );
}
if ( !strcmp( type, T_MODOPINCREMENTSTR )) {
return( T_MODOPINCREMENT );
}
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 ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"do_unbind: ldap_unbind failed for %s:%d: %s\n",
ri->ri_hostname, ri->ri_port, ldap_err2string( rc ) );
#else
Debug( LDAP_DEBUG_ANY,
"Error: do_unbind: ldap_unbind failed for %s:%d: %s\n",
ri->ri_hostname, ri->ri_port, ldap_err2string( rc ) );
#endif
}
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;
int do_tls = ri->ri_tls;
*lderr = 0;
if ( ri == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: null ri ptr\n" , 0, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: do_bind: null ri ptr\n", 0, 0, 0 );
#endif
return( BIND_ERR_BADRI );
}
retry:
if ( ri->ri_ldp != NULL ) {
ldrc = ldap_unbind( ri->ri_ldp );
if ( ldrc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"do_bind: ldap_unbind failed: %s\n", ldap_err2string( ldrc ), 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: do_bind: ldap_unbind failed: %s\n",
ldap_err2string( ldrc ), 0, 0 );
#endif
}
ri->ri_ldp = NULL;
}
if ( ri->ri_uri != NULL ) { /* new URI style */
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ARGS,
"do_bind: Initializing session to %s\n",
ri->ri_uri, 0, 0);
#else
Debug( LDAP_DEBUG_ARGS, "Initializing session to %s\n",
ri->ri_uri, 0, 0 );
#endif
ldrc = ldap_initialize( &(ri->ri_ldp), ri->ri_uri);
if (ldrc != LDAP_SUCCESS) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"do_bind: ldap_initalize (0, %s) failed: %s\n",
ri->ri_uri, ldap_err2string(ldrc), 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: ldap_initialize(0, %s) failed: %s\n",
ri->ri_uri, ldap_err2string(ldrc), 0 );
#endif
return( BIND_ERR_OPEN );
}
} else { /* old HOST style */
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ARGS,
"do_bind: Initializing session to %s:%d\n",
ri->ri_hostname, ri->ri_port, 0 );
#else
Debug( LDAP_DEBUG_ARGS, "Initializing session to %s:%d\n",
ri->ri_hostname, ri->ri_port, 0 );
#endif
ri->ri_ldp = ldap_init( ri->ri_hostname, ri->ri_port );
if ( ri->ri_ldp == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR,
"do_bind: ldap_init (%s, %d) failed: %s\n",
ri->ri_hostname, ri->ri_port, sys_errlist[ errno ] );
#else
Debug( LDAP_DEBUG_ANY, "Error: ldap_init(%s, %d) failed: %s\n",
ri->ri_hostname, ri->ri_port, sys_errlist[ errno ] );
#endif
return( BIND_ERR_OPEN );
}
}
{ /* set version 3 */
int err, version = 3;
err = ldap_set_option(ri->ri_ldp,
LDAP_OPT_PROTOCOL_VERSION, &version);
if( err != LDAP_OPT_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"Error: ldap_set_option(%s, LDAP_OPT_VERSION, 3) failed!\n",
ri->ri_hostname, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap_set_option(%s, LDAP_OPT_VERSION, 3) failed!\n",
ri->ri_hostname, NULL, NULL );
#endif
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return BIND_ERR_VERSION;
}
}
/*
* Set ldap library options to (1) not follow referrals, and
* (2) restart the select() system call.
*/
{
int err;
err = ldap_set_option(ri->ri_ldp, LDAP_OPT_REFERRALS, LDAP_OPT_OFF);
if( err != LDAP_OPT_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"Error: ldap_set_option(%s, REFERRALS, OFF) failed!\n",
ri->ri_hostname, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap_set_option(%s,REFERRALS, OFF) failed!\n",
ri->ri_hostname, NULL, NULL );
#endif
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return BIND_ERR_REFERRALS;
}
}
ldap_set_option(ri->ri_ldp, LDAP_OPT_RESTART, LDAP_OPT_ON);
if( do_tls ) {
int err = ldap_start_tls_s(ri->ri_ldp, NULL, NULL);
if( err != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"%s: ldap_start_tls failed: %s (%d)\n",
ri->ri_tls == TLS_CRITICAL ? "Error" : "Warning",
ldap_err2string( err ), err );
#else
Debug( LDAP_DEBUG_ANY,
"%s: ldap_start_tls failed: %s (%d)\n",
ri->ri_tls == TLS_CRITICAL ? "Error" : "Warning",
ldap_err2string( err ), err );
#endif
if( ri->ri_tls == TLS_CRITICAL ) {
*lderr = err;
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return BIND_ERR_TLS_FAILED;
}
do_tls = TLS_OFF;
goto retry;
}
}
switch ( ri->ri_bind_method ) {
case LDAP_AUTH_SIMPLE:
/*
* Bind with a plaintext password.
*/
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ARGS,
"do_bind: bind to %s:%d as %s (simple)\n",
ri->ri_hostname, ri->ri_port, ri->ri_bind_dn );
#else
Debug( LDAP_DEBUG_ARGS, "bind to %s:%d as %s (simple)\n",
ri->ri_hostname, ri->ri_port, ri->ri_bind_dn );
#endif
ldrc = ldap_simple_bind_s( ri->ri_ldp, ri->ri_bind_dn,
ri->ri_password );
if ( ldrc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"Error: ldap_simple_bind_s for %s:%d failed: %s\n",
ri->ri_hostname, ri->ri_port, ldap_err2string( ldrc ) );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap_simple_bind_s for %s:%d failed: %s\n",
ri->ri_hostname, ri->ri_port, ldap_err2string( ldrc ));
#endif
*lderr = ldrc;
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return( BIND_ERR_SIMPLE_FAILED );
}
break;
case LDAP_AUTH_SASL:
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ARGS,
"do_bind: bind to %s as %s via %s (SASL)\n",
ri->ri_hostname,
ri->ri_authcId ? ri->ri_authcId : "-",
ri->ri_saslmech );
#else
Debug( LDAP_DEBUG_ARGS, "bind to %s as %s via %s (SASL)\n",
ri->ri_hostname,
ri->ri_authcId ? ri->ri_authcId : "-",
ri->ri_saslmech );
#endif
#ifdef HAVE_CYRUS_SASL
if( ri->ri_secprops != NULL ) {
int err = ldap_set_option(ri->ri_ldp,
LDAP_OPT_X_SASL_SECPROPS, ri->ri_secprops);
if( err != LDAP_OPT_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"Error: ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
ri->ri_hostname, ri->ri_secprops, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: ldap_set_option(%s,SECPROPS,\"%s\") failed!\n",
ri->ri_hostname, ri->ri_secprops, NULL );
#endif
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return BIND_ERR_SASL_FAILED;
}
}
{
void *defaults = lutil_sasl_defaults( ri->ri_ldp, ri->ri_saslmech,
ri->ri_realm, ri->ri_authcId, ri->ri_password, ri->ri_authzId );
ldrc = ldap_sasl_interactive_bind_s( ri->ri_ldp, ri->ri_bind_dn,
ri->ri_saslmech, NULL, NULL,
LDAP_SASL_QUIET, lutil_sasl_interact, defaults );
lutil_sasl_freedefs( defaults );
if ( ldrc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"Error: LDAP SASL for %s:%d failed: %s\n",
ri->ri_hostname, ri->ri_port, ldap_err2string( ldrc ) );
#else
Debug( LDAP_DEBUG_ANY, "Error: LDAP SASL for %s:%d failed: %s\n",
ri->ri_hostname, ri->ri_port, ldap_err2string( ldrc ));
#endif
*lderr = ldrc;
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return( BIND_ERR_SASL_FAILED );
}
}
break;
#else
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"Error: do_bind: SASL not supported %s:%d\n",
ri->ri_hostname, ri->ri_port, 0 );
#else
Debug( LDAP_DEBUG_ANY,
"Error: do_bind: SASL not supported %s:%d\n",
ri->ri_hostname, ri->ri_port, NULL );
#endif
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return( BIND_ERR_BAD_ATYPE );
#endif
default:
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"Error: do_bind: unknown auth type \"%d\" for %s:%d\n",
ri->ri_bind_method, ri->ri_hostname, ri->ri_port );
#else
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 );
#endif
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return( BIND_ERR_BAD_ATYPE );
}
{
int err;
LDAPControl c;
LDAPControl *ctrls[2];
ctrls[0] = &c;
ctrls[1] = NULL;
c.ldctl_oid = LDAP_CONTROL_MANAGEDSAIT;
c.ldctl_value.bv_val = NULL;
c.ldctl_value.bv_len = 0;
c.ldctl_iscritical = 0;
err = ldap_set_option(ri->ri_ldp, LDAP_OPT_SERVER_CONTROLS, &ctrls);
if( err != LDAP_OPT_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, ERR, "do_bind: "
"ldap_set_option(%s, SERVER_CONTROLS, ManageDSAit) failed!\n",
ri->ri_hostname, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY, "Error: "
"ldap_set_option(%s, SERVER_CONTROLS, ManageDSAit) failed!\n",
ri->ri_hostname, NULL, NULL );
#endif
ldap_unbind( ri->ri_ldp );
ri->ri_ldp = NULL;
return BIND_ERR_MANAGEDSAIT;
}
}
return( BIND_OK );
}
/*
* 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 ];
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, INFO, "dump_ldm_array: "
"Trace (%ld): *** ldmarr[ %d ] contents:\n",
(long) getpid(), i, 0 );
LDAP_LOG ( OPERATION, INFO, "dump_ldm_array: "
"Trace (%ld): *** ldm->mod_op: %d\n",
(long) getpid(), ldm->mod_op, 0 );
LDAP_LOG ( OPERATION, INFO, "dump_ldm_array: "
"Trace (%ld): *** ldm->mod_type: %s\n",
(long) getpid(), ldm->mod_type, 0 );
#else
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 );
#endif
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 );
#ifdef NEW_LOGGING
LDAP_LOG ( OPERATION, INFO, "dump_ldm_array: "
"Trace (%ld):%s\n", (long) getpid(), msgbuf, 0 );
#else
Debug( LDAP_DEBUG_TRACE,
"Trace (%ld):%s\n", (long) getpid(), msgbuf, 0 );
#endif
free( msgbuf );
}
}
}
}
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