openldap/servers/slurpd/ldap_op.c
1998-08-09 00:43:13 +00:00

859 lines
21 KiB
C

/*
* 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.
*/
/*
* ldap_op.c - routines to perform LDAP operations
*/
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/time.h>
#ifdef KERBEROS
#include <krb.h>
#endif /* KERBEROS */
#include <lber.h>
#include <ldap.h>
#include "portable.h"
#include "slurp.h"
/* Forward references */
static int get_changetype( char * );
static struct berval **make_singlevalued_berval( char *, int );
static int op_ldap_add( Ri *, Re *, char ** );
static int op_ldap_modify( Ri *, Re *, char ** );
static int op_ldap_delete( Ri *, Re *, char ** );
static int op_ldap_modrdn( Ri *, Re *, char ** );
static LDAPMod *alloc_ldapmod();
static void free_ldapmod( LDAPMod * );
static void free_ldmarr( LDAPMod ** );
static int getmodtype( char * );
static void dump_ldm_array( LDAPMod ** );
static char **read_krbnames( Ri * );
static void upcase( char * );
static int do_bind( Ri *, int * );
static int do_unbind( Ri * );
/* External references */
#ifndef SYSERRLIST_IN_STDIO
extern char *sys_errlist[];
#endif /* SYSERRLIST_IN_STDIO */
extern char *ch_malloc( unsigned long );
static char *kattrs[] = {"kerberosName", NULL };
static struct timeval kst = {30L, 0L};
/*
* Determine the type of ldap operation being performed and call the
* appropriate routine.
* - If successful, returns ERR_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 rc = 0;
int lderr = LDAP_SUCCESS;
int retry = 2;
char *msg;
*errmsg = NULL;
while ( retry > 0 ) {
if ( ri->ri_ldp == NULL ) {
rc = do_bind( ri, &lderr );
if ( rc != BIND_OK ) {
return DO_LDAP_ERR_RETRYABLE;
}
}
switch ( re->re_changetype ) {
case T_ADDCT:
lderr = op_ldap_add( ri, re, errmsg );
if ( lderr != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"Error: ldap_add_s failed adding \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
}
break;
case T_MODIFYCT:
lderr = op_ldap_modify( ri, re, errmsg );
if ( lderr != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"Error: ldap_modify_s failed modifying \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
}
break;
case T_DELETECT:
lderr = op_ldap_delete( ri, re, errmsg );
if ( lderr != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"Error: ldap_delete_s failed deleting \"%s\": %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
}
break;
case T_MODRDNCT:
lderr = op_ldap_modrdn( ri, re, errmsg );
if ( lderr != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"Error: ldap_modrdn_s failed modifying %s: %s\n",
*errmsg ? *errmsg : ldap_err2string( lderr ),
re->re_dn, 0 );
}
break;
default:
Debug( LDAP_DEBUG_ANY,
"Error: do_ldap: bad op \"%d\", dn = \"%s\"\n",
re->re_changetype, re->re_dn, 0 );
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.
*/
if ( lderr == LDAP_SUCCESS ) {
return DO_LDAP_OK;
} else if ( lderr == LDAP_SERVER_DOWN ) {
/* The LDAP server may have timed us out - rebind and try again */
(void) do_unbind( ri );
retry--;
} else {
return DO_LDAP_ERR_FATAL;
}
}
return DO_LDAP_ERR_FATAL;
}
/*
* Perform an ldap add operation.
*/
static int
op_ldap_add(
Ri *ri,
Re *re,
char **errmsg
)
{
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 */
Debug( LDAP_DEBUG_ARGS, "replica %s:%d - add dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
rc = ldap_add_s( ri->ri_ldp, re->re_dn, ldmarr );
lderr = ri->ri_ldp->ld_errno;
} else {
*errmsg = "No modifications to do";
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_add: no mods to do (%s)!", re->re_dn, 0, 0 );
}
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
)
{
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, *nldm, **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";
Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modify: no arguments\n",
0, 0, 0 );
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;
default:
if ( state == AWAITING_OP ) {
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_modify: unknown mod type \"%s\"\n",
type, 0, 0 );
continue;
}
/*
* We should have an attribute: value pair here.
* Construct the mod_bvalues part of the ldapmod struct.
*/
if ( strcasecmp( type, ldm->mod_type )) {
Debug( LDAP_DEBUG_ANY,
"Error: malformed modify op, %s: %s (expecting %s:)\n",
type, value, ldm->mod_type );
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 */
Debug( LDAP_DEBUG_ARGS, "replica %s:%d - modify dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
rc = ldap_modify_s( ri->ri_ldp, re->re_dn, ldmarr );
}
free_ldmarr( ldmarr );
return( rc );
}
/*
* Perform an ldap delete operation.
*/
static int
op_ldap_delete(
Ri *ri,
Re *re,
char **errmsg
)
{
int rc;
Debug( LDAP_DEBUG_ARGS, "replica %s:%d - delete dn \"%s\"\n",
ri->ri_hostname, ri->ri_port, re->re_dn );
rc = ldap_delete_s( ri->ri_ldp, re->re_dn );
return( rc );
}
/*
* Perform an ldap modrdn operation.
*/
#define GOT_NEWRDN 1
#define GOT_DRDNFLAGSTR 2
#define GOT_ALLNEWRDNFLAGS ( GOT_NEWRDN | GOT_DRDNFLAGSTR )
static int
op_ldap_modrdn(
Ri *ri,
Re *re,
char **errmsg
)
{
int rc = 0;
Mi *mi;
int i;
int state = 0;
int drdnflag = -1;
char *newrdn;
if ( re->re_mods == NULL ) {
*errmsg = "No arguments given";
Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: no arguments\n",
0, 0, 0 );
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 )) {
newrdn = mi[ i ].mi_val;
state |= GOT_NEWRDN;
} else if ( !strcmp( mi[ i ].mi_type, T_DRDNFLAGSTR )) {
state |= GOT_DRDNFLAGSTR;
if ( !strcmp( mi[ i ].mi_val, "0" )) {
drdnflag = 0;
} else if ( !strcmp( mi[ i ].mi_val, "1" )) {
drdnflag = 1;
} else {
Debug( LDAP_DEBUG_ANY,
"Error: op_ldap_modrdn: bad deleteoldrdn arg \"%s\"\n",
mi[ i ].mi_val, 0, 0 );
*errmsg = "Incorrect argument to deleteoldrdn";
return -1;
}
} else {
Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: bad type \"%s\"\n",
mi[ i ].mi_type, 0, 0 );
*errmsg = "Bad value in replication log entry";
return -1;
}
}
/*
* Punt if we don't have all the args.
*/
if ( state != GOT_ALLNEWRDNFLAGS ) {
Debug( LDAP_DEBUG_ANY, "Error: op_ldap_modrdn: missing arguments\n",
0, 0, 0 );
*errmsg = "Missing argument: requires \"newrdn\" and \"deleteoldrdn\"";
return -1;
}
#ifdef LDAP_DEBUG
if ( ldap_debug & LDAP_DEBUG_ARGS ) {
char buf[ 256 ];
char *buf2;
sprintf( buf, "%s:%d", ri->ri_hostname, ri->ri_port );
buf2 = (char *) ch_malloc( strlen( re->re_dn ) + strlen( mi->mi_val )
+ 10 );
sprintf( buf2, "(\"%s\" -> \"%s\")", re->re_dn, mi->mi_val );
Debug( LDAP_DEBUG_ARGS,
"replica %s - modify rdn %s (flag: %d)\n",
buf, buf2, drdnflag );
free( buf2 );
}
#endif /* LDAP_DEBUG */
/* Do the modrdn */
rc = ldap_modrdn2_s( ri->ri_ldp, re->re_dn, mi->mi_val, drdnflag );
return( ri->ri_ldp->ld_errno );
}
/*
* Allocate and initialize an ldapmod struct.
*/
static LDAPMod *
alloc_ldapmod()
{
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 );
}
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",
ldap_err2string( rc ), ri->ri_hostname, ri->ri_port );
}
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 rc;
int ldrc;
char msgbuf[ 1024];
#ifdef KERBEROS
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 /* 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, "Open connection to %s:%d\n",
ri->ri_hostname, ri->ri_port, 0 );
ri->ri_ldp = ldap_open( ri->ri_hostname, ri->ri_port );
if ( ri->ri_ldp == NULL ) {
Debug( LDAP_DEBUG_ANY, "Error: ldap_open(%s, %d) failed: %s\n",
ri->ri_hostname, ri->ri_port, sys_errlist[ errno ] );
return( BIND_ERR_OPEN );
}
/*
* Set ldap library options to (1) not follow referrals, and
* (2) restart the select() system call.
*/
#ifdef LDAP_REFERRALS
ri->ri_ldp->ld_options &= ~LDAP_OPT_REFERRALS;
#endif /* LDAP_REFERRALS */
ri->ri_ldp->ld_options |= LDAP_OPT_RESTART;
switch ( ri->ri_bind_method ) {
case AUTH_KERBEROS:
#ifndef 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 /* 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 /* 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 (%d): *** ldmarr[ %d ] contents:\n",
getpid(), i, 0 );
Debug( LDAP_DEBUG_TRACE,
"Trace (%d): *** ldm->mod_op: %d\n",
getpid(), ldm->mod_op, 0 );
Debug( LDAP_DEBUG_TRACE,
"Trace (%d): *** ldm->mod_type: %s\n",
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 = %d, val = <%s>",
j, b->bv_len, b->bv_val );
Debug( LDAP_DEBUG_TRACE,
"Trace (%d):%s\n", 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 );
}
/*
* upcase a string
*/
static void
upcase(
char *s )
{
char *p;
for ( p = s; ( p != NULL ) && ( *p != '\0' ); p++ ) {
if ( islower( *p )) {
*p = toupper( *p );
}
}
}