openldap/servers/slapd/back-ldap/bind.c
Kurt Zeilenga 403f4479bc Add OpenLDAP RCSid to *.[ch] in clients, libraries, and servers.
Replace old Id as needed (back-tcl).
Leave updating of contribWare to contributors (for now).
1999-09-08 19:06:24 +00:00

123 lines
2.9 KiB
C

/* bind.c - ldap backend bind function */
/* $OpenLDAP$ */
/*
* Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author is not responsible for the consequences of use of this
* software, no matter how awful, even if they arise from flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the documentation.
*
* 4. This notice may not be removed or altered.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/socket.h>
#include <ac/string.h>
#include "slap.h"
#include "back-ldap.h"
int
ldap_back_bind(
Backend *be,
Connection *conn,
Operation *op,
char *dn,
int method,
char *mech,
struct berval *cred,
char **edn
)
{
struct ldapinfo *li = (struct ldapinfo *) be->be_private;
struct ldapconn *lc;
*edn = NULL;
lc = ldap_back_getconn(li, conn, op);
if (!lc)
return( -1 );
if (ldap_bind_s(lc->ld, dn, cred->bv_val, method) != LDAP_SUCCESS)
return( ldap_back_op_result(lc, op) );
lc->bound = 1;
return( 0 );
}
struct ldapconn *
ldap_back_getconn(struct ldapinfo *li, Connection *conn, Operation *op)
{
struct ldapconn *lc;
LDAP *ld;
ldap_pvt_thread_mutex_lock( &li->conn_mutex );
for (lc = li->lcs; lc; lc=lc->next)
if (lc->conn == conn)
break;
ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
/* Looks like we didn't get a bind. Open a new session... */
if (!lc) {
ld = ldap_init(li->host, li->port);
if (!ld) {
send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR,
NULL, "ldap_init failed", NULL, NULL );
return( NULL );
}
lc = (struct ldapconn *)ch_malloc(sizeof(struct ldapconn));
lc->conn = conn;
lc->ld = ld;
lc->bound = 0;
ldap_pvt_thread_mutex_lock( &li->conn_mutex );
lc->next = li->lcs;
li->lcs = lc;
ldap_pvt_thread_mutex_unlock( &li->conn_mutex );
}
return( lc );
}
void
ldap_back_dobind(struct ldapconn *lc, Operation *op)
{
if (lc->bound)
return;
if (ldap_bind_s(lc->ld, lc->conn->c_cdn, NULL, LDAP_AUTH_SIMPLE) !=
LDAP_SUCCESS)
ldap_back_op_result(lc, op);
else
lc->bound = 1;
}
int
ldap_back_op_result(struct ldapconn *lc, Operation *op)
{
int err;
char *msg;
char *match;
ldap_get_option(lc->ld, LDAP_OPT_ERROR_NUMBER, &err);
ldap_get_option(lc->ld, LDAP_OPT_ERROR_STRING, &msg);
ldap_get_option(lc->ld, LDAP_OPT_MATCHED_DN, &match);
send_ldap_result( lc->conn, op, err, match, msg, NULL, NULL );
free(match);
free(msg);
return( (err==LDAP_SUCCESS) ? 0 : -1 );
}