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hello world
This commit is contained in:
Timothee 'TTimo' Besset
276
neo/curl/lib/ldap.c
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276
neo/curl/lib/ldap.c
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2004, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://curl.haxx.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* $Id: ldap.c,v 1.32 2004/02/12 09:51:43 bagder Exp $
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***************************************************************************/
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#include "setup.h"
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#ifndef CURL_DISABLE_LDAP
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/* -- WIN32 approved -- */
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#if defined(WIN32) && !defined(__GNUC__)
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#else
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# ifdef HAVE_UNISTD_H
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# include <unistd.h>
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# endif
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# ifdef HAVE_DLFCN_H
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# include <dlfcn.h>
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# endif
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#endif
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#include "urldata.h"
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#include <curl/curl.h>
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#include "sendf.h"
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#include "escape.h"
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#include "transfer.h"
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#include "ldap.h"
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#define _MPRINTF_REPLACE /* use our functions only */
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#include <curl/mprintf.h>
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typedef void * (*dynafunc)(void *input);
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#define DYNA_GET_FUNCTION(type, fnc) \
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(fnc) = (type)DynaGetFunction(#fnc); \
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if ((fnc) == NULL) { \
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return CURLE_FUNCTION_NOT_FOUND; \
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}
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/***********************************************************************
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*/
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static void *libldap = NULL;
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static void *liblber = NULL;
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static void DynaOpen(void)
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{
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#if defined(HAVE_DLOPEN) || defined(HAVE_LIBDL)
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if (libldap == NULL) {
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/*
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* libldap.so should be able to resolve its dependency on
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* liblber.so automatically, but since it does not we will
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* handle it here by opening liblber.so as global.
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*/
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liblber = dlopen("liblber.so",
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#ifdef RTLD_LAZY_GLOBAL /* It turns out some systems use this: */
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RTLD_LAZY_GLOBAL
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#else
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#ifdef RTLD_GLOBAL
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RTLD_LAZY | RTLD_GLOBAL
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#else
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/* and some systems don't have the RTLD_GLOBAL symbol */
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RTLD_LAZY
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#endif
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#endif
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);
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libldap = dlopen("libldap.so", RTLD_LAZY);
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}
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#endif
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}
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static void DynaClose(void)
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{
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#if defined(HAVE_DLOPEN) || defined(HAVE_LIBDL)
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if (libldap) {
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dlclose(libldap);
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libldap=NULL;
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}
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if (liblber) {
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dlclose(liblber);
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liblber=NULL;
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}
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#endif
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}
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static dynafunc DynaGetFunction(const char *name)
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{
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dynafunc func = (dynafunc)NULL;
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#if defined(HAVE_DLOPEN) || defined(HAVE_LIBDL)
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if (libldap) {
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func = (dynafunc) dlsym(libldap, name);
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}
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#endif
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return func;
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}
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/***********************************************************************
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*/
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typedef struct ldap_url_desc {
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struct ldap_url_desc *lud_next;
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char *lud_scheme;
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char *lud_host;
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int lud_port;
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char *lud_dn;
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char **lud_attrs;
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int lud_scope;
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char *lud_filter;
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char **lud_exts;
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int lud_crit_exts;
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} LDAPURLDesc;
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CURLcode Curl_ldap(struct connectdata *conn)
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{
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CURLcode status = CURLE_OK;
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int rc;
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void *(*ldap_init)(char *, int);
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int (*ldap_simple_bind_s)(void *, char *, char *);
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int (*ldap_unbind_s)(void *);
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int (*ldap_url_parse)(char *, LDAPURLDesc **);
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void (*ldap_free_urldesc)(void *);
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int (*ldap_search_s)(void *, char *, int, char *, char **, int, void **);
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int (*ldap_search_st)(void *, char *, int, char *, char **, int, void *, void **);
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void *(*ldap_first_entry)(void *, void *);
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void *(*ldap_next_entry)(void *, void *);
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char *(*ldap_err2string)(int);
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char *(*ldap_get_dn)(void *, void *);
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char *(*ldap_first_attribute)(void *, void *, void **);
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char *(*ldap_next_attribute)(void *, void *, void *);
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char **(*ldap_get_values)(void *, void *, char *);
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void (*ldap_value_free)(char **);
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void (*ldap_memfree)(void *);
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void (*ber_free)(void *, int);
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void *server;
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LDAPURLDesc *ludp;
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void *result;
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void *entryIterator;
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void *ber;
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void *attribute;
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struct SessionHandle *data=conn->data;
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infof(data, "LDAP: %s\n", data->change.url);
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DynaOpen();
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if (libldap == NULL) {
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failf(data, "The needed LDAP library/libraries couldn't be opened");
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return CURLE_LIBRARY_NOT_FOUND;
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}
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/* The types are needed because ANSI C distinguishes between
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* pointer-to-object (data) and pointer-to-function.
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*/
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DYNA_GET_FUNCTION(void *(*)(char *, int), ldap_init);
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DYNA_GET_FUNCTION(int (*)(void *, char *, char *), ldap_simple_bind_s);
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DYNA_GET_FUNCTION(int (*)(void *), ldap_unbind_s);
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DYNA_GET_FUNCTION(int (*)(char *, LDAPURLDesc **), ldap_url_parse);
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DYNA_GET_FUNCTION(void (*)(void *), ldap_free_urldesc);
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DYNA_GET_FUNCTION(int (*)(void *, char *, int, char *, char **, int, void **), ldap_search_s);
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DYNA_GET_FUNCTION(int (*)(void *, char *, int, char *, char **, int, void *, void **), ldap_search_st);
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DYNA_GET_FUNCTION(void *(*)(void *, void *), ldap_first_entry);
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DYNA_GET_FUNCTION(void *(*)(void *, void *), ldap_next_entry);
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DYNA_GET_FUNCTION(char *(*)(int), ldap_err2string);
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DYNA_GET_FUNCTION(char *(*)(void *, void *), ldap_get_dn);
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DYNA_GET_FUNCTION(char *(*)(void *, void *, void **), ldap_first_attribute);
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DYNA_GET_FUNCTION(char *(*)(void *, void *, void *), ldap_next_attribute);
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DYNA_GET_FUNCTION(char **(*)(void *, void *, char *), ldap_get_values);
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DYNA_GET_FUNCTION(void (*)(char **), ldap_value_free);
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DYNA_GET_FUNCTION(void (*)(void *), ldap_memfree);
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DYNA_GET_FUNCTION(void (*)(void *, int), ber_free);
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server = ldap_init(conn->hostname, conn->port);
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if (server == NULL) {
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failf(data, "LDAP: Cannot connect to %s:%d",
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conn->hostname, conn->port);
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status = CURLE_COULDNT_CONNECT;
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}
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else {
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rc = ldap_simple_bind_s(server,
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conn->bits.user_passwd?conn->user:NULL,
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conn->bits.user_passwd?conn->passwd:NULL);
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if (rc != 0) {
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failf(data, "LDAP: %s", ldap_err2string(rc));
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status = CURLE_LDAP_CANNOT_BIND;
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}
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else {
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rc = ldap_url_parse(data->change.url, &ludp);
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if (rc != 0) {
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failf(data, "LDAP: %s", ldap_err2string(rc));
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status = CURLE_LDAP_INVALID_URL;
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}
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else {
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rc = ldap_search_s(server, ludp->lud_dn, ludp->lud_scope,
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ludp->lud_filter, ludp->lud_attrs, 0, &result);
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if (rc != 0) {
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failf(data, "LDAP: %s", ldap_err2string(rc));
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status = CURLE_LDAP_SEARCH_FAILED;
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}
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else {
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for (entryIterator = ldap_first_entry(server, result);
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entryIterator;
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entryIterator = ldap_next_entry(server, entryIterator)) {
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char *dn = ldap_get_dn(server, entryIterator);
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char **vals;
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int i;
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Curl_client_write(data, CLIENTWRITE_BODY, (char *)"DN: ", 4);
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Curl_client_write(data, CLIENTWRITE_BODY, dn, 0);
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Curl_client_write(data, CLIENTWRITE_BODY, (char *)"\n", 1);
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for(attribute = ldap_first_attribute(server, entryIterator,
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&ber);
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attribute;
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attribute = ldap_next_attribute(server, entryIterator,
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ber) ) {
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vals = ldap_get_values(server, entryIterator, attribute);
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if (vals != NULL) {
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for(i = 0; (vals[i] != NULL); i++) {
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Curl_client_write(data, CLIENTWRITE_BODY, (char*)"\t", 1);
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Curl_client_write(data, CLIENTWRITE_BODY, attribute, 0);
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Curl_client_write(data, CLIENTWRITE_BODY, (char *)": ", 2);
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Curl_client_write(data, CLIENTWRITE_BODY, vals[i], 0);
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Curl_client_write(data, CLIENTWRITE_BODY, (char *)"\n", 0);
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}
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}
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/* Free memory used to store values */
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ldap_value_free(vals);
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}
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Curl_client_write(data, CLIENTWRITE_BODY, (char *)"\n", 1);
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ldap_memfree(attribute);
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ldap_memfree(dn);
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if (ber) ber_free(ber, 0);
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}
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}
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ldap_free_urldesc(ludp);
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}
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ldap_unbind_s(server);
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}
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}
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DynaClose();
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/* no data to transfer */
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Curl_Transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
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return status;
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}
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#endif
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