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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2003, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://curl.haxx.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* $Id$
***************************************************************************/
#include "setup.h"
#ifndef CURL_DISABLE_LDAP
/* -- WIN32 approved -- */
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <ctype.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#if defined(WIN32) && !defined(__GNUC__)
#else
# ifdef HAVE_UNISTD_H
# include <unistd.h>
# endif
# ifdef HAVE_DLFCN_H
# include <dlfcn.h>
# endif
#endif
#include "urldata.h"
#include <curl/curl.h>
#include "sendf.h"
#include "escape.h"
#include "transfer.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
#define DYNA_GET_FUNCTION(type, fnc) \
(fnc) = (type)DynaGetFunction(#fnc); \
if ((fnc) == NULL) { \
return CURLE_FUNCTION_NOT_FOUND; \
} \
/***********************************************************************
*/
static void *libldap = NULL;
static void *liblber = NULL;
static void DynaOpen(void)
{
#if defined(HAVE_DLOPEN) || defined(HAVE_LIBDL)
if (libldap == NULL) {
/*
* libldap.so should be able to resolve its dependency on
* liblber.so automatically, but since it does not we will
* handle it here by opening liblber.so as global.
*/
liblber = dlopen("liblber.so",
#ifdef RTLD_LAZY_GLOBAL /* It turns out some systems use this: */
RTLD_LAZY_GLOBAL
#else
#ifdef RTLD_GLOBAL
RTLD_LAZY | RTLD_GLOBAL
#else
/* and some systems don't have the RTLD_GLOBAL symbol */
RTLD_LAZY
#endif
#endif
);
libldap = dlopen("libldap.so", RTLD_LAZY);
}
#endif
}
static void DynaClose(void)
{
#if defined(HAVE_DLOPEN) || defined(HAVE_LIBDL)
if (libldap) {
dlclose(libldap);
libldap=NULL;
}
if (liblber) {
dlclose(liblber);
liblber=NULL;
}
#endif
}
static void * DynaGetFunction(const char *name)
{
void *func = NULL;
#if defined(HAVE_DLOPEN) || defined(HAVE_LIBDL)
if (libldap) {
func = dlsym(libldap, name);
}
#endif
return func;
}
static int WriteProc(void *param, char *text, int len)
{
struct SessionHandle *data = (struct SessionHandle *)param;
len = 0; /* prevent compiler warning */
Curl_client_write(data, CLIENTWRITE_BODY, text, 0);
return 0;
}
/***********************************************************************
*/
CURLcode Curl_ldap(struct connectdata *conn)
{
CURLcode status = CURLE_OK;
int rc;
void *(*ldap_open)(char *, int);
int (*ldap_simple_bind_s)(void *, char *, char *);
int (*ldap_unbind_s)(void *);
int (*ldap_url_search_s)(void *, char *, int, void **);
void *(*ldap_first_entry)(void *, void *);
void *(*ldap_next_entry)(void *, void *);
char *(*ldap_err2string)(int);
int (*ldap_entry2text)(void *, char *, void *, void *, char **, char **, int (*)(void *, char *, int), void *, char *, int, unsigned long);
int (*ldap_entry2html)(void *, char *, void *, void *, char **, char **, int (*)(void *, char *, int), void *, char *, int, unsigned long, char *, char *);
void *server;
void *result;
void *entryIterator;
int ldaptext;
struct SessionHandle *data=conn->data;
infof(data, "LDAP: %s\n", data->change.url);
DynaOpen();
if (libldap == NULL) {
failf(data, "The needed LDAP library/libraries couldn't be opened");
return CURLE_LIBRARY_NOT_FOUND;
}
ldaptext = data->set.ftp_ascii; /* This is a dirty hack */
/* The types are needed because ANSI C distinguishes between
* pointer-to-object (data) and pointer-to-function.
*/
DYNA_GET_FUNCTION(void *(*)(char *, int), ldap_open);
DYNA_GET_FUNCTION(int (*)(void *, char *, char *), ldap_simple_bind_s);
DYNA_GET_FUNCTION(int (*)(void *), ldap_unbind_s);
DYNA_GET_FUNCTION(int (*)(void *, char *, int, void **), ldap_url_search_s);
DYNA_GET_FUNCTION(void *(*)(void *, void *), ldap_first_entry);
DYNA_GET_FUNCTION(void *(*)(void *, void *), ldap_next_entry);
DYNA_GET_FUNCTION(char *(*)(int), ldap_err2string);
DYNA_GET_FUNCTION(int (*)(void *, char *, void *, void *, char **, char **, int (*)(void *, char *, int), void *, char *, int, unsigned long), ldap_entry2text);
DYNA_GET_FUNCTION(int (*)(void *, char *, void *, void *, char **, char **, int (*)(void *, char *, int), void *, char *, int, unsigned long, char *, char *), ldap_entry2html);
server = ldap_open(conn->hostname, conn->port);
if (server == NULL) {
failf(data, "LDAP: Cannot connect to %s:%d",
conn->hostname, conn->port);
status = CURLE_COULDNT_CONNECT;
} else {
rc = ldap_simple_bind_s(server,
conn->bits.user_passwd?data->state.user:NULL,
conn->bits.user_passwd?data->state.passwd:NULL);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_CANNOT_BIND;
} else {
rc = ldap_url_search_s(server, data->change.url, 0, &result);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_SEARCH_FAILED;
} else {
for (entryIterator = ldap_first_entry(server, result);
entryIterator;
entryIterator = ldap_next_entry(server, entryIterator))
{
if (ldaptext) {
rc = ldap_entry2text(server, NULL, entryIterator, NULL,
NULL, NULL, WriteProc, data,
(char *)"", 0, 0);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_SEARCH_FAILED;
}
} else {
rc = ldap_entry2html(server, NULL, entryIterator, NULL,
NULL, NULL, WriteProc, data,
(char *)"", 0, 0, NULL, NULL);
if (rc != 0) {
failf(data, "LDAP: %s", ldap_err2string(rc));
status = CURLE_LDAP_SEARCH_FAILED;
}
}
}
}
ldap_unbind_s(server);
}
}
DynaClose();
/* no data to transfer */
Curl_Transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
return status;
}
#endif
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