/* FIXME: this function is called only by ldap_free_connection(),
* which, most of the times, is called with ld_req_mutex locked */
int
ldap_send_unbind(
LDAP *ld,
Sockbuf *sb,
LDAPControl **sctrls,
LDAPControl **cctrls )
{
BerElement *ber;
ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_send_unbind\n", 0, 0, 0 );
#ifdef LDAP_CONNECTIONLESS
if (LDAP_IS_UDP(ld))
return LDAP_SUCCESS;
#endif
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( ld->ld_errno );
}
LDAP_NEXT_MSGID(ld, id);
/* fill it in */
if ( ber_printf( ber, "{itn" /*}*/, id,
LDAP_REQ_UNBIND ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return ld->ld_errno;
}
if ( ber_printf( ber, /*{*/ "N}", LDAP_REQ_UNBIND ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
ld->ld_errno = LDAP_SUCCESS;
/* send the message */
if ( ber_flush2( sb, ber, LBER_FLUSH_FREE_ALWAYS ) == -1 ) {
ld->ld_errno = LDAP_SERVER_DOWN;
}
return( ld->ld_errno );
}
/*
* ldap_kerberos_bind1 - initiate a bind to the ldap server using
* kerberos authentication. The dn is supplied. It is assumed the user
* already has a valid ticket granting ticket. The msgid of the
* request is returned on success (suitable for passing to ldap_result()),
* -1 is returned if there's trouble.
*
* Example:
* ldap_kerberos_bind1( ld, "cn=manager, o=university of michigan, c=us" )
*/
int
ldap_kerberos_bind1( LDAP *ld, LDAP_CONST char *dn )
{
BerElement *ber;
char *cred;
int rc;
ber_len_t credlen;
ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind1\n", 0, 0, 0 );
if( ld->ld_version > LDAP_VERSION2 ) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return -1;
}
if ( dn == NULL )
dn = "";
if ( (cred = ldap_get_kerberosv4_credentials( ld, dn, "ldapserver",
&credlen )) == NULL ) {
return( -1 ); /* ld_errno should already be set */
}
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
LDAP_FREE( cred );
return( -1 );
}
LDAP_NEXT_MSGID( ld, id );
/* fill it in */
rc = ber_printf( ber, "{it{istoN}N}", id, LDAP_REQ_BIND,
ld->ld_version, dn, LDAP_AUTH_KRBV41, cred, credlen );
if ( rc == -1 ) {
LDAP_FREE( cred );
ber_free( ber, 1 );
ld->ld_errno = LDAP_ENCODING_ERROR;
return( -1 );
}
LDAP_FREE( cred );
/* send the message */
return ( ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber, id ));
}
BerElement *
ldap_build_compare_req(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *attr,
struct berval *bvalue,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
BerElement *ber;
int rc;
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( NULL );
}
LDAP_NEXT_MSGID(ld, *msgidp);
rc = ber_printf( ber, "{it{s{sON}N}", /* '}' */
*msgidp,
LDAP_REQ_COMPARE, dn, attr, bvalue );
if ( rc == -1 )
{
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return( NULL );
}
if( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
return( ber );
}
/*
* XXX merging of errors in this routine needs to be improved
* Protected by res_mutex, conn_mutex and req_mutex (try_read1msg)
*/
int
ldap_chase_referrals( LDAP *ld,
LDAPRequest *lr,
char **errstrp,
int sref,
int *hadrefp )
{
int rc, count, id;
unsigned len;
char *p, *ref, *unfollowed;
LDAPRequest *origreq;
LDAPURLDesc *srv;
BerElement *ber;
LDAPreqinfo rinfo;
LDAPConn *lc;
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex );
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_conn_mutex );
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_req_mutex );
Debug( LDAP_DEBUG_TRACE, "ldap_chase_referrals\n", 0, 0, 0 );
ld->ld_errno = LDAP_SUCCESS; /* optimistic */
*hadrefp = 0;
if ( *errstrp == NULL ) {
return( 0 );
}
len = strlen( *errstrp );
for ( p = *errstrp; len >= LDAP_REF_STR_LEN; ++p, --len ) {
if ( strncasecmp( p, LDAP_REF_STR, LDAP_REF_STR_LEN ) == 0 ) {
*p = '\0';
p += LDAP_REF_STR_LEN;
break;
}
}
if ( len < LDAP_REF_STR_LEN ) {
return( 0 );
}
if ( lr->lr_parentcnt >= ld->ld_refhoplimit ) {
Debug( LDAP_DEBUG_ANY,
"more than %d referral hops (dropping)\n",
ld->ld_refhoplimit, 0, 0 );
/* XXX report as error in ld->ld_errno? */
return( 0 );
}
/* find original request */
for ( origreq = lr; origreq->lr_parent != NULL;
origreq = origreq->lr_parent ) {
/* empty */;
}
unfollowed = NULL;
rc = count = 0;
/* parse out & follow referrals */
for ( ref = p; rc == 0 && ref != NULL; ref = p ) {
p = strchr( ref, '\n' );
if ( p != NULL ) {
*p++ = '\0';
}
rc = ldap_url_parse_ext( ref, &srv, LDAP_PVT_URL_PARSE_NOEMPTY_DN );
if ( rc != LDAP_URL_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
"ignoring %s referral <%s>\n",
ref, rc == LDAP_URL_ERR_BADSCHEME ? "unknown" : "incorrect", 0 );
rc = ldap_append_referral( ld, &unfollowed, ref );
*hadrefp = 1;
continue;
}
Debug( LDAP_DEBUG_TRACE,
"chasing LDAP referral: <%s>\n", ref, 0, 0 );
*hadrefp = 1;
/* See if we've already been here */
if (( lc = find_connection( ld, srv, 1 )) != NULL ) {
LDAPRequest *lp;
int looped = 0;
ber_len_t len = srv->lud_dn ? strlen( srv->lud_dn ) : 0;
for ( lp = lr; lp; lp = lp->lr_parent ) {
if ( lp->lr_conn == lc
&& len == lp->lr_dn.bv_len )
{
if ( len && strncmp( srv->lud_dn, lp->lr_dn.bv_val, len ) )
continue;
looped = 1;
break;
}
}
if ( looped ) {
ldap_free_urllist( srv );
ld->ld_errno = LDAP_CLIENT_LOOP;
rc = -1;
continue;
}
}
LDAP_NEXT_MSGID( ld, id );
ber = re_encode_request( ld, origreq->lr_ber,
id, sref, srv, &rinfo.ri_request );
if ( ber == NULL ) {
return -1 ;
}
/* copy the complete referral for rebind process */
rinfo.ri_url = LDAP_STRDUP( ref );
rinfo.ri_msgid = origreq->lr_origid;
rc = ldap_send_server_request( ld, ber, id,
lr, &srv, NULL, &rinfo, 0, 1 );
LDAP_FREE( rinfo.ri_url );
if( rc >= 0 ) {
++count;
} else {
Debug( LDAP_DEBUG_ANY,
"Unable to chase referral \"%s\" (%d: %s)\n",
ref, ld->ld_errno, ldap_err2string( ld->ld_errno ) );
rc = ldap_append_referral( ld, &unfollowed, ref );
}
ldap_free_urllist(srv);
}
LDAP_FREE( *errstrp );
*errstrp = unfollowed;
return(( rc == 0 ) ? count : rc );
}
/*
* Chase v3 referrals
*
* Parameters:
* (IN) ld = LDAP connection handle
* (IN) lr = LDAP Request structure
* (IN) refs = array of pointers to referral strings that we will chase
* The array will be free'd by this function when no longer needed
* (IN) sref != 0 if following search reference
* (OUT) errstrp = Place to return a string of referrals which could not be followed
* (OUT) hadrefp = 1 if sucessfully followed referral
*
* Return value - number of referrals followed
*
* Protected by res_mutex, conn_mutex and req_mutex (try_read1msg)
*/
int
ldap_chase_v3referrals( LDAP *ld, LDAPRequest *lr, char **refs, int sref, char **errstrp, int *hadrefp )
{
char *unfollowed;
int unfollowedcnt = 0;
LDAPRequest *origreq;
LDAPURLDesc *srv = NULL;
BerElement *ber;
char **refarray = NULL;
LDAPConn *lc;
int rc, count, i, j, id;
LDAPreqinfo rinfo;
LDAP_NEXTREF_PROC *nextref_proc = ld->ld_nextref_proc ? ld->ld_nextref_proc : ldap_int_nextref;
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_res_mutex );
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_conn_mutex );
LDAP_ASSERT_MUTEX_OWNER( &ld->ld_req_mutex );
Debug( LDAP_DEBUG_TRACE, "ldap_chase_v3referrals\n", 0, 0, 0 );
ld->ld_errno = LDAP_SUCCESS; /* optimistic */
*hadrefp = 0;
unfollowed = NULL;
rc = count = 0;
/* If no referrals in array, return */
if ( (refs == NULL) || ( (refs)[0] == NULL) ) {
rc = 0;
goto done;
}
/* Check for hop limit exceeded */
if ( lr->lr_parentcnt >= ld->ld_refhoplimit ) {
Debug( LDAP_DEBUG_ANY,
"more than %d referral hops (dropping)\n", ld->ld_refhoplimit, 0, 0 );
ld->ld_errno = LDAP_REFERRAL_LIMIT_EXCEEDED;
rc = -1;
goto done;
}
/* find original request */
for ( origreq = lr;
origreq->lr_parent != NULL;
origreq = origreq->lr_parent )
{
/* empty */ ;
}
refarray = refs;
refs = NULL;
/* parse out & follow referrals */
/* NOTE: if nextref_proc == ldap_int_nextref, params is ignored */
i = -1;
for ( nextref_proc( ld, &refarray, &i, ld->ld_nextref_params );
i != -1;
nextref_proc( ld, &refarray, &i, ld->ld_nextref_params ) )
{
/* Parse the referral URL */
rc = ldap_url_parse_ext( refarray[i], &srv, LDAP_PVT_URL_PARSE_NOEMPTY_DN );
if ( rc != LDAP_URL_SUCCESS ) {
/* ldap_url_parse_ext() returns LDAP_URL_* errors
* which do not map on API errors */
ld->ld_errno = LDAP_PARAM_ERROR;
rc = -1;
goto done;
}
if( srv->lud_crit_exts ) {
int ok = 0;
#ifdef HAVE_TLS
/* If StartTLS is the only critical ext, OK. */
if ( find_tls_ext( srv ) == 2 && srv->lud_crit_exts == 1 )
ok = 1;
#endif
if ( !ok ) {
/* we do not support any other extensions */
ld->ld_errno = LDAP_NOT_SUPPORTED;
rc = -1;
goto done;
}
}
/* check connection for re-bind in progress */
if (( lc = find_connection( ld, srv, 1 )) != NULL ) {
/* See if we've already requested this DN with this conn */
LDAPRequest *lp;
int looped = 0;
ber_len_t len = srv->lud_dn ? strlen( srv->lud_dn ) : 0;
for ( lp = origreq; lp; ) {
if ( lp->lr_conn == lc
&& len == lp->lr_dn.bv_len
&& len
&& strncmp( srv->lud_dn, lp->lr_dn.bv_val, len ) == 0 )
{
looped = 1;
break;
}
if ( lp == origreq ) {
lp = lp->lr_child;
} else {
lp = lp->lr_refnext;
}
}
if ( looped ) {
ldap_free_urllist( srv );
srv = NULL;
ld->ld_errno = LDAP_CLIENT_LOOP;
rc = -1;
continue;
}
if ( lc->lconn_rebind_inprogress ) {
/* We are already chasing a referral or search reference and a
* bind on that connection is in progress. We must queue
* referrals on that connection, so we don't get a request
* going out before the bind operation completes. This happens
* if two search references come in one behind the other
* for the same server with different contexts.
*/
Debug( LDAP_DEBUG_TRACE,
"ldap_chase_v3referrals: queue referral \"%s\"\n",
refarray[i], 0, 0);
if( lc->lconn_rebind_queue == NULL ) {
/* Create a referral list */
lc->lconn_rebind_queue =
(char ***) LDAP_MALLOC( sizeof(void *) * 2);
if( lc->lconn_rebind_queue == NULL) {
ld->ld_errno = LDAP_NO_MEMORY;
rc = -1;
goto done;
}
lc->lconn_rebind_queue[0] = refarray;
lc->lconn_rebind_queue[1] = NULL;
refarray = NULL;
} else {
/* Count how many referral arrays we already have */
for( j = 0; lc->lconn_rebind_queue[j] != NULL; j++) {
/* empty */;
}
/* Add the new referral to the list */
lc->lconn_rebind_queue = (char ***) LDAP_REALLOC(
lc->lconn_rebind_queue, sizeof(void *) * (j + 2));
if( lc->lconn_rebind_queue == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
rc = -1;
goto done;
}
lc->lconn_rebind_queue[j] = refarray;
lc->lconn_rebind_queue[j+1] = NULL;
refarray = NULL;
}
/* We have queued the referral/reference, now just return */
rc = 0;
*hadrefp = 1;
count = 1; /* Pretend we already followed referral */
goto done;
}
}
/* Re-encode the request with the new starting point of the search.
* Note: In the future we also need to replace the filter if one
* was provided with the search reference
*/
/* For references we don't want old dn if new dn empty */
if ( sref && srv->lud_dn == NULL ) {
srv->lud_dn = LDAP_STRDUP( "" );
}
LDAP_NEXT_MSGID( ld, id );
ber = re_encode_request( ld, origreq->lr_ber, id,
sref, srv, &rinfo.ri_request );
if( ber == NULL ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
rc = -1;
goto done;
}
Debug( LDAP_DEBUG_TRACE,
"ldap_chase_v3referral: msgid %d, url \"%s\"\n",
lr->lr_msgid, refarray[i], 0);
/* Send the new request to the server - may require a bind */
rinfo.ri_msgid = origreq->lr_origid;
rinfo.ri_url = refarray[i];
rc = ldap_send_server_request( ld, ber, id,
origreq, &srv, NULL, &rinfo, 0, 1 );
if ( rc < 0 ) {
/* Failure, try next referral in the list */
Debug( LDAP_DEBUG_ANY, "Unable to chase referral \"%s\" (%d: %s)\n",
refarray[i], ld->ld_errno, ldap_err2string( ld->ld_errno ) );
unfollowedcnt += ldap_append_referral( ld, &unfollowed, refarray[i] );
ldap_free_urllist( srv );
srv = NULL;
ld->ld_errno = LDAP_REFERRAL;
} else {
/* Success, no need to try this referral list further */
rc = 0;
++count;
*hadrefp = 1;
/* check if there is a queue of referrals that came in during bind */
if ( lc == NULL) {
lc = find_connection( ld, srv, 1 );
if ( lc == NULL ) {
ld->ld_errno = LDAP_OPERATIONS_ERROR;
rc = -1;
LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex );
goto done;
}
}
if ( lc->lconn_rebind_queue != NULL ) {
/* Release resources of previous list */
LDAP_VFREE( refarray );
refarray = NULL;
ldap_free_urllist( srv );
srv = NULL;
/* Pull entries off end of queue so list always null terminated */
for( j = 0; lc->lconn_rebind_queue[j] != NULL; j++ )
;
refarray = lc->lconn_rebind_queue[j - 1];
lc->lconn_rebind_queue[j-1] = NULL;
/* we pulled off last entry from queue, free queue */
if ( j == 1 ) {
LDAP_FREE( lc->lconn_rebind_queue );
lc->lconn_rebind_queue = NULL;
}
/* restart the loop the with new referral list */
i = -1;
continue;
}
break; /* referral followed, break out of for loop */
}
} /* end for loop */
done:
LDAP_VFREE( refarray );
ldap_free_urllist( srv );
LDAP_FREE( *errstrp );
if( rc == 0 ) {
*errstrp = NULL;
LDAP_FREE( unfollowed );
return count;
} else {
*errstrp = unfollowed;
return rc;
}
}
int
ldap_rename(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *newrdn,
LDAP_CONST char *newSuperior,
int deleteoldrdn,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
BerElement *ber;
int rc;
ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_rename\n", 0, 0, 0 );
/* check client controls */
rc = ldap_int_client_controls( ld, cctrls );
if( rc != LDAP_SUCCESS ) return rc;
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( LDAP_NO_MEMORY );
}
LDAP_NEXT_MSGID( ld, id );
if( newSuperior != NULL ) {
/* must be version 3 (or greater) */
if ( ld->ld_version < LDAP_VERSION3 ) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
ber_free( ber, 1 );
return( ld->ld_errno );
}
rc = ber_printf( ber, "{it{ssbtsN}", /* '}' */
id, LDAP_REQ_MODDN,
dn, newrdn, (ber_int_t) deleteoldrdn,
LDAP_TAG_NEWSUPERIOR, newSuperior );
} else {
rc = ber_printf( ber, "{it{ssbN}", /* '}' */
id, LDAP_REQ_MODDN,
dn, newrdn, (ber_int_t) deleteoldrdn );
}
if ( rc < 0 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return ld->ld_errno;
}
rc = ber_printf( ber, /*{*/ "N}" );
if ( rc < 0 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* send the message */
*msgidp = ldap_send_initial_request( ld, LDAP_REQ_MODRDN, dn, ber, id );
if( *msgidp < 0 ) {
return( ld->ld_errno );
}
return LDAP_SUCCESS;
}
/*
* ldap_modify_ext - initiate an ldap extended modify operation.
*
* Parameters:
*
* ld LDAP descriptor
* dn DN of the object to modify
* mods List of modifications to make. This is null-terminated
* array of struct ldapmod's, specifying the modifications
* to perform.
* sctrls Server Controls
* cctrls Client Controls
* msgidp Message ID pointer
*
* Example:
* LDAPMod *mods[] = {
* { LDAP_MOD_ADD, "cn", { "babs jensen", "babs", 0 } },
* { LDAP_MOD_REPLACE, "sn", { "babs jensen", "babs", 0 } },
* { LDAP_MOD_DELETE, "ou", 0 },
* { LDAP_MOD_INCREMENT, "uidNumber, { "1", 0 } }
* 0
* }
* rc= ldap_modify_ext( ld, dn, mods, sctrls, cctrls, &msgid );
*/
int
ldap_modify_ext( LDAP *ld,
LDAP_CONST char *dn,
LDAPMod **mods,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
BerElement *ber;
int i, rc;
ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_modify_ext\n", 0, 0, 0 );
/* check client controls */
rc = ldap_int_client_controls( ld, cctrls );
if( rc != LDAP_SUCCESS ) return rc;
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( LDAP_NO_MEMORY );
}
LDAP_NEXT_MSGID( ld, id );
rc = ber_printf( ber, "{it{s{" /*}}}*/, id, LDAP_REQ_MODIFY, dn );
if ( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* allow mods to be NULL ("touch") */
if ( mods ) {
/* for each modification to be performed... */
for ( i = 0; mods[i] != NULL; i++ ) {
if (( mods[i]->mod_op & LDAP_MOD_BVALUES) != 0 ) {
rc = ber_printf( ber, "{e{s[V]N}N}",
(ber_int_t) ( mods[i]->mod_op & ~LDAP_MOD_BVALUES ),
mods[i]->mod_type, mods[i]->mod_bvalues );
} else {
rc = ber_printf( ber, "{e{s[v]N}N}",
(ber_int_t) mods[i]->mod_op,
mods[i]->mod_type, mods[i]->mod_values );
}
if ( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
}
}
if ( ber_printf( ber, /*{{*/ "N}N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return ld->ld_errno;
}
if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* send the message */
*msgidp = ldap_send_initial_request( ld, LDAP_REQ_MODIFY, dn, ber, id );
return( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS );
}
int
ldap_extended_operation(
LDAP *ld,
LDAP_CONST char *reqoid,
struct berval *reqdata,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
BerElement *ber;
int rc;
ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_extended_operation\n", 0, 0, 0 );
assert( ld != NULL );
assert( LDAP_VALID( ld ) );
assert( reqoid != NULL && *reqoid != '\0' );
assert( msgidp != NULL );
/* must be version 3 (or greater) */
if ( ld->ld_version < LDAP_VERSION3 ) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return( ld->ld_errno );
}
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return( ld->ld_errno );
}
LDAP_NEXT_MSGID( ld, id );
if ( reqdata != NULL ) {
rc = ber_printf( ber, "{it{tstON}", /* '}' */
id, LDAP_REQ_EXTENDED,
LDAP_TAG_EXOP_REQ_OID, reqoid,
LDAP_TAG_EXOP_REQ_VALUE, reqdata );
} else {
rc = ber_printf( ber, "{it{tsN}", /* '}' */
id, LDAP_REQ_EXTENDED,
LDAP_TAG_EXOP_REQ_OID, reqoid );
}
if( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return ld->ld_errno;
}
if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* send the message */
*msgidp = ldap_send_initial_request( ld, LDAP_REQ_EXTENDED, NULL, ber, id );
return( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS );
}
BerElement *
ldap_build_search_req(
LDAP *ld,
LDAP_CONST char *base,
ber_int_t scope,
LDAP_CONST char *filter,
char **attrs,
ber_int_t attrsonly,
LDAPControl **sctrls,
LDAPControl **cctrls,
ber_int_t timelimit,
ber_int_t sizelimit,
ber_int_t deref,
ber_int_t *idp)
{
BerElement *ber;
int err;
/*
* Create the search request. It looks like this:
* SearchRequest := [APPLICATION 3] SEQUENCE {
* baseObject DistinguishedName,
* scope ENUMERATED {
* baseObject (0),
* singleLevel (1),
* wholeSubtree (2)
* },
* derefAliases ENUMERATED {
* neverDerefaliases (0),
* derefInSearching (1),
* derefFindingBaseObj (2),
* alwaysDerefAliases (3)
* },
* sizelimit INTEGER (0 .. 65535),
* timelimit INTEGER (0 .. 65535),
* attrsOnly BOOLEAN,
* filter Filter,
* attributes SEQUENCE OF AttributeType
* }
* wrapped in an ldap message.
*/
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( NULL );
}
if ( base == NULL ) {
/* no base provided, use session default base */
base = ld->ld_options.ldo_defbase;
if ( base == NULL ) {
/* no session default base, use top */
base = "";
}
}
LDAP_NEXT_MSGID( ld, *idp );
#ifdef LDAP_CONNECTIONLESS
if ( LDAP_IS_UDP(ld) ) {
struct sockaddr sa = {0};
/* dummy, filled with ldo_peer in request.c */
err = ber_write( ber, &sa, sizeof( sa ), 0 );
}
if ( LDAP_IS_UDP(ld) && ld->ld_options.ldo_version == LDAP_VERSION2) {
char *dn = ld->ld_options.ldo_cldapdn;
if (!dn) dn = "";
err = ber_printf( ber, "{ist{seeiib", *idp, dn,
LDAP_REQ_SEARCH, base, (ber_int_t) scope,
(deref < 0) ? ld->ld_deref : deref,
(sizelimit < 0) ? ld->ld_sizelimit : sizelimit,
(timelimit < 0) ? ld->ld_timelimit : timelimit,
attrsonly );
} else
#endif
{
err = ber_printf( ber, "{it{seeiib", *idp,
LDAP_REQ_SEARCH, base, (ber_int_t) scope,
(deref < 0) ? ld->ld_deref : deref,
(sizelimit < 0) ? ld->ld_sizelimit : sizelimit,
(timelimit < 0) ? ld->ld_timelimit : timelimit,
attrsonly );
}
if ( err == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
if( filter == NULL ) {
filter = "(objectclass=*)";
}
err = ldap_pvt_put_filter( ber, filter );
if ( err == -1 ) {
ld->ld_errno = LDAP_FILTER_ERROR;
ber_free( ber, 1 );
return( NULL );
}
#ifdef LDAP_DEBUG
if ( ldap_debug & LDAP_DEBUG_ARGS ) {
char buf[ BUFSIZ ], *ptr = " *";
if ( attrs != NULL ) {
int i, len, rest = sizeof( buf );
for ( i = 0; attrs[ i ] != NULL && rest > 0; i++ ) {
ptr = &buf[ sizeof( buf ) - rest ];
len = snprintf( ptr, rest, " %s", attrs[ i ] );
rest -= (len >= 0 ? len : (int) sizeof( buf ));
}
if ( rest <= 0 ) {
AC_MEMCPY( &buf[ sizeof( buf ) - STRLENOF( "...(truncated)" ) - 1 ],
"...(truncated)", STRLENOF( "...(truncated)" ) + 1 );
}
ptr = buf;
}
Debug( LDAP_DEBUG_ARGS, "ldap_build_search_req ATTRS:%s\n", ptr, 0,0 );
}
#endif /* LDAP_DEBUG */
if ( ber_printf( ber, /*{*/ "{v}N}", attrs ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return( NULL );
}
if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
return( ber );
}
/*
* ldap_add_ext - initiate an ldap extended add operation. Parameters:
*
* ld LDAP descriptor
* dn DN of the entry to add
* mods List of attributes for the entry. This is a null-
* terminated array of pointers to LDAPMod structures.
* only the type and values in the structures need be
* filled in.
* sctrl Server Controls
* cctrl Client Controls
* msgidp Message ID pointer
*
* Example:
* LDAPMod *attrs[] = {
* { 0, "cn", { "babs jensen", "babs", 0 } },
* { 0, "sn", { "jensen", 0 } },
* { 0, "objectClass", { "person", 0 } },
* 0
* }
* rc = ldap_add_ext( ld, dn, attrs, NULL, NULL, &msgid );
*/
int
ldap_add_ext(
LDAP *ld,
LDAP_CONST char *dn,
LDAPMod **attrs,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
BerElement *ber;
int i, rc;
ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_add_ext\n", 0, 0, 0 );
assert( ld != NULL );
assert( LDAP_VALID( ld ) );
assert( dn != NULL );
assert( msgidp != NULL );
/* check client controls */
rc = ldap_int_client_controls( ld, cctrls );
if( rc != LDAP_SUCCESS ) return rc;
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return ld->ld_errno;
}
LDAP_NEXT_MSGID(ld, id);
rc = ber_printf( ber, "{it{s{", /* '}}}' */
id, LDAP_REQ_ADD, dn );
if ( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return ld->ld_errno;
}
/* allow attrs to be NULL ("touch"; should fail...) */
if ( attrs ) {
/* for each attribute in the entry... */
for ( i = 0; attrs[i] != NULL; i++ ) {
if ( ( attrs[i]->mod_op & LDAP_MOD_BVALUES) != 0 ) {
int j;
if ( attrs[i]->mod_bvalues == NULL ) {
ld->ld_errno = LDAP_PARAM_ERROR;
ber_free( ber, 1 );
return ld->ld_errno;
}
for ( j = 0; attrs[i]->mod_bvalues[ j ] != NULL; j++ ) {
if ( attrs[i]->mod_bvalues[ j ]->bv_val == NULL ) {
ld->ld_errno = LDAP_PARAM_ERROR;
ber_free( ber, 1 );
return ld->ld_errno;
}
}
rc = ber_printf( ber, "{s[V]N}", attrs[i]->mod_type,
attrs[i]->mod_bvalues );
} else {
if ( attrs[i]->mod_values == NULL ) {
ld->ld_errno = LDAP_PARAM_ERROR;
ber_free( ber, 1 );
return ld->ld_errno;
}
rc = ber_printf( ber, "{s[v]N}", attrs[i]->mod_type,
attrs[i]->mod_values );
}
if ( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return ld->ld_errno;
}
}
}
if ( ber_printf( ber, /*{{*/ "N}N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return ld->ld_errno;
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return ld->ld_errno;
}
if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return ld->ld_errno;
}
/* send the message */
*msgidp = ldap_send_initial_request( ld, LDAP_REQ_ADD, dn, ber, id );
if(*msgidp < 0)
return ld->ld_errno;
return LDAP_SUCCESS;
}
static int
do_abandon(
LDAP *ld,
ber_int_t origid,
ber_int_t msgid,
LDAPControl **sctrls,
int sendabandon )
{
BerElement *ber;
int i, err;
Sockbuf *sb;
LDAPRequest *lr;
Debug( LDAP_DEBUG_TRACE, "do_abandon origid %d, msgid %d\n",
origid, msgid, 0 );
/* find the request that we are abandoning */
start_again:
;
lr = ld->ld_requests;
while ( lr != NULL ) {
/* this message */
if ( lr->lr_msgid == msgid ) {
break;
}
/* child: abandon it */
if ( lr->lr_origid == msgid && !lr->lr_abandoned ) {
(void)do_abandon( ld, lr->lr_origid, lr->lr_msgid,
sctrls, sendabandon );
/* restart, as lr may now be dangling... */
goto start_again;
}
lr = lr->lr_next;
}
if ( lr != NULL ) {
if ( origid == msgid && lr->lr_parent != NULL ) {
/* don't let caller abandon child requests! */
ld->ld_errno = LDAP_PARAM_ERROR;
return( LDAP_PARAM_ERROR );
}
if ( lr->lr_status != LDAP_REQST_INPROGRESS ) {
/* no need to send abandon message */
sendabandon = 0;
}
}
/* ldap_msgdelete locks the res_mutex. Give up the req_mutex
* while we're in there.
*/
LDAP_MUTEX_UNLOCK( &ld->ld_req_mutex );
err = ldap_msgdelete( ld, msgid );
LDAP_MUTEX_LOCK( &ld->ld_req_mutex );
if ( err == 0 ) {
ld->ld_errno = LDAP_SUCCESS;
return LDAP_SUCCESS;
}
/* fetch again the request that we are abandoning */
if ( lr != NULL ) {
for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
/* this message */
if ( lr->lr_msgid == msgid ) {
break;
}
}
}
err = 0;
if ( sendabandon ) {
if ( ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, NULL ) == -1 ) {
/* not connected */
err = -1;
ld->ld_errno = LDAP_SERVER_DOWN;
} else if ( ( ber = ldap_alloc_ber_with_options( ld ) ) == NULL ) {
/* BER element allocation failed */
err = -1;
ld->ld_errno = LDAP_NO_MEMORY;
} else {
/*
* We already have the mutex in LDAP_R_COMPILE, so
* don't try to get it again.
* LDAP_NEXT_MSGID(ld, i);
*/
LDAP_NEXT_MSGID(ld, i);
#ifdef LDAP_CONNECTIONLESS
if ( LDAP_IS_UDP(ld) ) {
struct sockaddr sa = {0};
/* dummy, filled with ldo_peer in request.c */
err = ber_write( ber, (char *) &sa, sizeof(sa), 0 );
}
if ( LDAP_IS_UDP(ld) && ld->ld_options.ldo_version ==
LDAP_VERSION2 )
{
char *dn;
LDAP_MUTEX_LOCK( &ld->ld_options.ldo_mutex );
dn = ld->ld_options.ldo_cldapdn;
if (!dn) dn = "";
err = ber_printf( ber, "{isti", /* '}' */
i, dn,
LDAP_REQ_ABANDON, msgid );
LDAP_MUTEX_UNLOCK( &ld->ld_options.ldo_mutex );
} else
#endif
{
/* create a message to send */
err = ber_printf( ber, "{iti", /* '}' */
i,
LDAP_REQ_ABANDON, msgid );
}
if ( err == -1 ) {
/* encoding error */
ld->ld_errno = LDAP_ENCODING_ERROR;
} else {
/* Put Server Controls */
if ( ldap_int_put_controls( ld, sctrls, ber )
!= LDAP_SUCCESS )
{
err = -1;
} else {
/* close '{' */
err = ber_printf( ber, /*{*/ "N}" );
if ( err == -1 ) {
/* encoding error */
ld->ld_errno = LDAP_ENCODING_ERROR;
}
}
}
if ( err == -1 ) {
ber_free( ber, 1 );
} else {
/* send the message */
if ( lr != NULL ) {
assert( lr->lr_conn != NULL );
sb = lr->lr_conn->lconn_sb;
} else {
sb = ld->ld_sb;
}
if ( ber_flush2( sb, ber, LBER_FLUSH_FREE_ALWAYS ) != 0 ) {
ld->ld_errno = LDAP_SERVER_DOWN;
err = -1;
} else {
err = 0;
}
}
}
}
if ( lr != NULL ) {
if ( sendabandon || lr->lr_status == LDAP_REQST_WRITING ) {
LDAP_MUTEX_LOCK( &ld->ld_conn_mutex );
ldap_free_connection( ld, lr->lr_conn, 0, 1 );
LDAP_MUTEX_UNLOCK( &ld->ld_conn_mutex );
}
if ( origid == msgid ) {
ldap_free_request( ld, lr );
} else {
lr->lr_abandoned = 1;
}
}
LDAP_MUTEX_LOCK( &ld->ld_abandon_mutex );
/* use bisection */
i = 0;
if ( ld->ld_nabandoned == 0 ||
ldap_int_bisect_find( ld->ld_abandoned, ld->ld_nabandoned, msgid, &i ) == 0 )
{
ldap_int_bisect_insert( &ld->ld_abandoned, &ld->ld_nabandoned, msgid, i );
}
if ( err != -1 ) {
ld->ld_errno = LDAP_SUCCESS;
}
LDAP_MUTEX_UNLOCK( &ld->ld_abandon_mutex );
return( ld->ld_errno );
}
int
ldap_sasl_bind(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *mechanism,
struct berval *cred,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
BerElement *ber;
int rc;
ber_int_t id;
Debug( LDAP_DEBUG_TRACE, "ldap_sasl_bind\n", 0, 0, 0 );
assert( ld != NULL );
assert( LDAP_VALID( ld ) );
assert( msgidp != NULL );
/* check client controls */
rc = ldap_int_client_controls( ld, cctrls );
if( rc != LDAP_SUCCESS ) return rc;
if( mechanism == LDAP_SASL_SIMPLE ) {
if( dn == NULL && cred != NULL && cred->bv_len ) {
/* use default binddn */
dn = ld->ld_defbinddn;
}
} else if( ld->ld_version < LDAP_VERSION3 ) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return ld->ld_errno;
}
if ( dn == NULL ) {
dn = "";
}
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return ld->ld_errno;
}
assert( LBER_VALID( ber ) );
LDAP_NEXT_MSGID( ld, id );
if( mechanism == LDAP_SASL_SIMPLE ) {
/* simple bind */
rc = ber_printf( ber, "{it{istON}" /*}*/,
id, LDAP_REQ_BIND,
ld->ld_version, dn, LDAP_AUTH_SIMPLE,
cred );
} else if ( cred == NULL || cred->bv_val == NULL ) {
/* SASL bind w/o credentials */
rc = ber_printf( ber, "{it{ist{sN}N}" /*}*/,
id, LDAP_REQ_BIND,
ld->ld_version, dn, LDAP_AUTH_SASL,
mechanism );
} else {
/* SASL bind w/ credentials */
rc = ber_printf( ber, "{it{ist{sON}N}" /*}*/,
id, LDAP_REQ_BIND,
ld->ld_version, dn, LDAP_AUTH_SASL,
mechanism, cred );
}
if( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( -1 );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return ld->ld_errno;
}
if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return ld->ld_errno;
}
/* send the message */
*msgidp = ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber, id );
if(*msgidp < 0)
return ld->ld_errno;
return LDAP_SUCCESS;
}
BerElement *
ldap_build_modify_req(
LDAP *ld,
LDAP_CONST char *dn,
LDAPMod **mods,
LDAPControl **sctrls,
LDAPControl **cctrls,
ber_int_t *msgidp )
{
BerElement *ber;
int i, rc;
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( NULL );
}
LDAP_NEXT_MSGID( ld, *msgidp );
rc = ber_printf( ber, "{it{s{" /*}}}*/, *msgidp, LDAP_REQ_MODIFY, dn );
if ( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
/* allow mods to be NULL ("touch") */
if ( mods ) {
/* for each modification to be performed... */
for ( i = 0; mods[i] != NULL; i++ ) {
if (( mods[i]->mod_op & LDAP_MOD_BVALUES) != 0 ) {
rc = ber_printf( ber, "{e{s[V]N}N}",
(ber_int_t) ( mods[i]->mod_op & ~LDAP_MOD_BVALUES ),
mods[i]->mod_type, mods[i]->mod_bvalues );
} else {
rc = ber_printf( ber, "{e{s[v]N}N}",
(ber_int_t) mods[i]->mod_op,
mods[i]->mod_type, mods[i]->mod_values );
}
if ( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
}
}
if ( ber_printf( ber, /*{{*/ "N}N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return( NULL );
}
if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
return( ber );
}
BerElement *
ldap_build_bind_req(
LDAP *ld,
LDAP_CONST char *dn,
LDAP_CONST char *mechanism,
struct berval *cred,
LDAPControl **sctrls,
LDAPControl **cctrls,
ber_int_t *msgidp )
{
BerElement *ber;
int rc;
if( mechanism == LDAP_SASL_SIMPLE ) {
if( dn == NULL && cred != NULL && cred->bv_len ) {
/* use default binddn */
dn = ld->ld_defbinddn;
}
} else if( ld->ld_version < LDAP_VERSION3 ) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return( NULL );
}
if ( dn == NULL ) {
dn = "";
}
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
return( NULL );
}
LDAP_NEXT_MSGID( ld, *msgidp );
if( mechanism == LDAP_SASL_SIMPLE ) {
/* simple bind */
rc = ber_printf( ber, "{it{istON}" /*}*/,
*msgidp, LDAP_REQ_BIND,
ld->ld_version, dn, LDAP_AUTH_SIMPLE,
cred );
} else if ( cred == NULL || cred->bv_val == NULL ) {
/* SASL bind w/o credentials */
rc = ber_printf( ber, "{it{ist{sN}N}" /*}*/,
*msgidp, LDAP_REQ_BIND,
ld->ld_version, dn, LDAP_AUTH_SASL,
mechanism );
} else {
/* SASL bind w/ credentials */
rc = ber_printf( ber, "{it{ist{sON}N}" /*}*/,
*msgidp, LDAP_REQ_BIND,
ld->ld_version, dn, LDAP_AUTH_SASL,
mechanism, cred );
}
if( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return( NULL );
}
if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( NULL );
}
return( ber );
}
