708 lines
20 KiB
C
708 lines
20 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 1998 - 2008, 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>
|
|
#ifdef NEED_MALLOC_H
|
|
#include <malloc.h>
|
|
#endif
|
|
#include <errno.h>
|
|
|
|
#ifdef CURL_LDAP_HYBRID /* If W$ definitions are needed. */
|
|
# include <windows.h>
|
|
/* Remember we are NOT in a W$ compiler! */
|
|
# undef WIN32
|
|
# undef _WIN32
|
|
# undef __WIN32__
|
|
#endif
|
|
|
|
#ifdef CURL_LDAP_WIN /* Use W$ LDAP implementation. */
|
|
# include <winldap.h>
|
|
# ifndef LDAP_VENDOR_NAME
|
|
# error Your Platform SDK is NOT sufficient for LDAP support! Update your Platform SDK, or disable LDAP LDAP support!
|
|
# else
|
|
# include <winber.h>
|
|
# endif
|
|
#else
|
|
#define LDAP_DEPRECATED 1 /* Be sure ldap_init() is defined. */
|
|
#ifdef HAVE_LBER_H
|
|
# include <lber.h>
|
|
#endif
|
|
# include <ldap.h>
|
|
#if (defined(HAVE_LDAP_SSL) && defined(HAVE_LDAP_SSL_H))
|
|
# include <ldap_ssl.h>
|
|
#endif /* HAVE_LDAP_SSL && HAVE_LDAP_SSL_H */
|
|
#endif
|
|
|
|
#ifdef HAVE_UNISTD_H
|
|
# include <unistd.h>
|
|
#endif
|
|
|
|
#include "urldata.h"
|
|
#include <curl/curl.h>
|
|
#include "sendf.h"
|
|
#include "escape.h"
|
|
#include "transfer.h"
|
|
#include "strequal.h"
|
|
#include "strtok.h"
|
|
#include "curl_ldap.h"
|
|
#include "memory.h"
|
|
#include "curl_base64.h"
|
|
|
|
#define _MPRINTF_REPLACE /* use our functions only */
|
|
#include <curl/mprintf.h>
|
|
|
|
#include "memdebug.h"
|
|
|
|
#ifndef HAVE_LDAP_URL_PARSE
|
|
|
|
/* Use our own implementation. */
|
|
|
|
typedef struct {
|
|
char *lud_host;
|
|
int lud_port;
|
|
char *lud_dn;
|
|
char **lud_attrs;
|
|
int lud_scope;
|
|
char *lud_filter;
|
|
char **lud_exts;
|
|
} CURL_LDAPURLDesc;
|
|
|
|
#undef LDAPURLDesc
|
|
#define LDAPURLDesc CURL_LDAPURLDesc
|
|
|
|
static int _ldap_url_parse (const struct connectdata *conn,
|
|
LDAPURLDesc **ludp);
|
|
static void _ldap_free_urldesc (LDAPURLDesc *ludp);
|
|
|
|
#undef ldap_free_urldesc
|
|
#define ldap_free_urldesc _ldap_free_urldesc
|
|
#endif
|
|
|
|
#ifdef DEBUG_LDAP
|
|
#define LDAP_TRACE(x) do { \
|
|
_ldap_trace ("%u: ", __LINE__); \
|
|
_ldap_trace x; \
|
|
} while(0)
|
|
|
|
static void _ldap_trace (const char *fmt, ...);
|
|
#else
|
|
#define LDAP_TRACE(x) ((void)0)
|
|
#endif
|
|
|
|
|
|
static CURLcode Curl_ldap(struct connectdata *conn, bool *done);
|
|
|
|
/*
|
|
* LDAP protocol handler.
|
|
*/
|
|
|
|
const struct Curl_handler Curl_handler_ldap = {
|
|
"LDAP", /* scheme */
|
|
ZERO_NULL, /* setup_connection */
|
|
Curl_ldap, /* do_it */
|
|
ZERO_NULL, /* done */
|
|
ZERO_NULL, /* do_more */
|
|
ZERO_NULL, /* connect_it */
|
|
ZERO_NULL, /* connecting */
|
|
ZERO_NULL, /* doing */
|
|
ZERO_NULL, /* proto_getsock */
|
|
ZERO_NULL, /* doing_getsock */
|
|
ZERO_NULL, /* disconnect */
|
|
PORT_LDAP, /* defport */
|
|
PROT_LDAP /* protocol */
|
|
};
|
|
|
|
#ifdef HAVE_LDAP_SSL
|
|
/*
|
|
* LDAPS protocol handler.
|
|
*/
|
|
|
|
const struct Curl_handler Curl_handler_ldaps = {
|
|
"LDAPS", /* scheme */
|
|
ZERO_NULL, /* setup_connection */
|
|
Curl_ldap, /* do_it */
|
|
ZERO_NULL, /* done */
|
|
ZERO_NULL, /* do_more */
|
|
ZERO_NULL, /* connect_it */
|
|
ZERO_NULL, /* connecting */
|
|
ZERO_NULL, /* doing */
|
|
ZERO_NULL, /* proto_getsock */
|
|
ZERO_NULL, /* doing_getsock */
|
|
ZERO_NULL, /* disconnect */
|
|
PORT_LDAPS, /* defport */
|
|
PROT_LDAP | PROT_SSL /* protocol */
|
|
};
|
|
#endif
|
|
|
|
|
|
static CURLcode Curl_ldap(struct connectdata *conn, bool *done)
|
|
{
|
|
CURLcode status = CURLE_OK;
|
|
int rc = 0;
|
|
LDAP *server = NULL;
|
|
LDAPURLDesc *ludp = NULL;
|
|
LDAPMessage *result = NULL;
|
|
LDAPMessage *entryIterator;
|
|
int num = 0;
|
|
struct SessionHandle *data=conn->data;
|
|
int ldap_proto = LDAP_VERSION3;
|
|
int ldap_ssl = 0;
|
|
char *val_b64;
|
|
size_t val_b64_sz;
|
|
#ifdef LDAP_OPT_NETWORK_TIMEOUT
|
|
struct timeval ldap_timeout = {10,0}; /* 10 sec connection/search timeout */
|
|
#endif
|
|
|
|
*done = TRUE; /* unconditionally */
|
|
infof(data, "LDAP local: LDAP Vendor = %s ; LDAP Version = %d\n",
|
|
LDAP_VENDOR_NAME, LDAP_VENDOR_VERSION);
|
|
infof(data, "LDAP local: %s\n", data->change.url);
|
|
|
|
#ifdef HAVE_LDAP_URL_PARSE
|
|
rc = ldap_url_parse(data->change.url, &ludp);
|
|
#else
|
|
rc = _ldap_url_parse(conn, &ludp);
|
|
#endif
|
|
if(rc != 0) {
|
|
failf(data, "LDAP local: %s", ldap_err2string(rc));
|
|
status = CURLE_LDAP_INVALID_URL;
|
|
goto quit;
|
|
}
|
|
|
|
/* Get the URL scheme ( either ldap or ldaps ) */
|
|
if(strequal(conn->protostr, "LDAPS"))
|
|
ldap_ssl = 1;
|
|
infof(data, "LDAP local: trying to establish %s connection\n",
|
|
ldap_ssl ? "encrypted" : "cleartext");
|
|
|
|
#ifdef LDAP_OPT_NETWORK_TIMEOUT
|
|
ldap_set_option(NULL, LDAP_OPT_NETWORK_TIMEOUT, &ldap_timeout);
|
|
#endif
|
|
ldap_set_option(NULL, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
|
|
|
|
if(ldap_ssl) {
|
|
#ifdef HAVE_LDAP_SSL
|
|
#ifdef CURL_LDAP_WIN
|
|
/* Win32 LDAP SDK doesnt support insecure mode without CA! */
|
|
server = ldap_sslinit(conn->host.name, (int)conn->port, 1);
|
|
ldap_set_option(server, LDAP_OPT_SSL, LDAP_OPT_ON);
|
|
#else
|
|
int ldap_option;
|
|
char* ldap_ca = data->set.str[STRING_SSL_CAFILE];
|
|
#if defined(CURL_HAS_NOVELL_LDAPSDK)
|
|
rc = ldapssl_client_init(NULL, NULL);
|
|
if(rc != LDAP_SUCCESS) {
|
|
failf(data, "LDAP local: ldapssl_client_init %s", ldap_err2string(rc));
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
if(data->set.ssl.verifypeer) {
|
|
/* Novell SDK supports DER or BASE64 files. */
|
|
int cert_type = LDAPSSL_CERT_FILETYPE_B64;
|
|
if((data->set.str[STRING_CERT_TYPE]) &&
|
|
(strequal(data->set.str[STRING_CERT_TYPE], "DER")))
|
|
cert_type = LDAPSSL_CERT_FILETYPE_DER;
|
|
if(!ldap_ca) {
|
|
failf(data, "LDAP local: ERROR %s CA cert not set!",
|
|
(cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"));
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
infof(data, "LDAP local: using %s CA cert '%s'\n",
|
|
(cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"),
|
|
ldap_ca);
|
|
rc = ldapssl_add_trusted_cert(ldap_ca, cert_type);
|
|
if(rc != LDAP_SUCCESS) {
|
|
failf(data, "LDAP local: ERROR setting %s CA cert: %s",
|
|
(cert_type == LDAPSSL_CERT_FILETYPE_DER ? "DER" : "PEM"),
|
|
ldap_err2string(rc));
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
ldap_option = LDAPSSL_VERIFY_SERVER;
|
|
} else {
|
|
ldap_option = LDAPSSL_VERIFY_NONE;
|
|
}
|
|
rc = ldapssl_set_verify_mode(ldap_option);
|
|
if(rc != LDAP_SUCCESS) {
|
|
failf(data, "LDAP local: ERROR setting cert verify mode: %s",
|
|
ldap_err2string(rc));
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
server = ldapssl_init(conn->host.name, (int)conn->port, 1);
|
|
if(server == NULL) {
|
|
failf(data, "LDAP local: Cannot connect to %s:%d",
|
|
conn->host.name, conn->port);
|
|
status = CURLE_COULDNT_CONNECT;
|
|
goto quit;
|
|
}
|
|
#elif defined(LDAP_OPT_X_TLS)
|
|
if(data->set.ssl.verifypeer) {
|
|
/* OpenLDAP SDK supports BASE64 files. */
|
|
if((data->set.str[STRING_CERT_TYPE]) &&
|
|
(!strequal(data->set.str[STRING_CERT_TYPE], "PEM"))) {
|
|
failf(data, "LDAP local: ERROR OpenLDAP does only support PEM cert-type!");
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
if(!ldap_ca) {
|
|
failf(data, "LDAP local: ERROR PEM CA cert not set!");
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
infof(data, "LDAP local: using PEM CA cert: %s\n", ldap_ca);
|
|
rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_CACERTFILE, ldap_ca);
|
|
if(rc != LDAP_SUCCESS) {
|
|
failf(data, "LDAP local: ERROR setting PEM CA cert: %s",
|
|
ldap_err2string(rc));
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
ldap_option = LDAP_OPT_X_TLS_DEMAND;
|
|
} else {
|
|
ldap_option = LDAP_OPT_X_TLS_NEVER;
|
|
}
|
|
rc = ldap_set_option(NULL, LDAP_OPT_X_TLS_REQUIRE_CERT, &ldap_option);
|
|
if(rc != LDAP_SUCCESS) {
|
|
failf(data, "LDAP local: ERROR setting cert verify mode: %s",
|
|
ldap_err2string(rc));
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
server = ldap_init(conn->host.name, (int)conn->port);
|
|
if(server == NULL) {
|
|
failf(data, "LDAP local: Cannot connect to %s:%d",
|
|
conn->host.name, conn->port);
|
|
status = CURLE_COULDNT_CONNECT;
|
|
goto quit;
|
|
}
|
|
ldap_option = LDAP_OPT_X_TLS_HARD;
|
|
rc = ldap_set_option(server, LDAP_OPT_X_TLS, &ldap_option);
|
|
if(rc != LDAP_SUCCESS) {
|
|
failf(data, "LDAP local: ERROR setting SSL/TLS mode: %s",
|
|
ldap_err2string(rc));
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
/*
|
|
rc = ldap_start_tls_s(server, NULL, NULL);
|
|
if(rc != LDAP_SUCCESS) {
|
|
failf(data, "LDAP local: ERROR starting SSL/TLS mode: %s",
|
|
ldap_err2string(rc));
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
}
|
|
*/
|
|
#else
|
|
/* we should probably never come up to here since configure
|
|
should check in first place if we can support LDAP SSL/TLS */
|
|
failf(data, "LDAP local: SSL/TLS not supported with this version "
|
|
"of the OpenLDAP toolkit\n");
|
|
status = CURLE_SSL_CERTPROBLEM;
|
|
goto quit;
|
|
#endif
|
|
#endif
|
|
#endif /* CURL_LDAP_USE_SSL */
|
|
} else {
|
|
server = ldap_init(conn->host.name, (int)conn->port);
|
|
if(server == NULL) {
|
|
failf(data, "LDAP local: Cannot connect to %s:%d",
|
|
conn->host.name, conn->port);
|
|
status = CURLE_COULDNT_CONNECT;
|
|
goto quit;
|
|
}
|
|
}
|
|
#ifdef CURL_LDAP_WIN
|
|
ldap_set_option(server, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
|
|
#endif
|
|
|
|
rc = ldap_simple_bind_s(server,
|
|
conn->bits.user_passwd ? conn->user : NULL,
|
|
conn->bits.user_passwd ? conn->passwd : NULL);
|
|
if(!ldap_ssl && rc != 0) {
|
|
ldap_proto = LDAP_VERSION2;
|
|
ldap_set_option(server, LDAP_OPT_PROTOCOL_VERSION, &ldap_proto);
|
|
rc = ldap_simple_bind_s(server,
|
|
conn->bits.user_passwd ? conn->user : NULL,
|
|
conn->bits.user_passwd ? conn->passwd : NULL);
|
|
}
|
|
if(rc != 0) {
|
|
failf(data, "LDAP local: ldap_simple_bind_s %s", ldap_err2string(rc));
|
|
status = CURLE_LDAP_CANNOT_BIND;
|
|
goto quit;
|
|
}
|
|
|
|
rc = ldap_search_s(server, ludp->lud_dn, ludp->lud_scope,
|
|
ludp->lud_filter, ludp->lud_attrs, 0, &result);
|
|
|
|
if(rc != 0 && rc != LDAP_SIZELIMIT_EXCEEDED) {
|
|
failf(data, "LDAP remote: %s", ldap_err2string(rc));
|
|
status = CURLE_LDAP_SEARCH_FAILED;
|
|
goto quit;
|
|
}
|
|
|
|
for(num = 0, entryIterator = ldap_first_entry(server, result);
|
|
entryIterator;
|
|
entryIterator = ldap_next_entry(server, entryIterator), num++)
|
|
{
|
|
BerElement *ber = NULL;
|
|
char *attribute; /*! suspicious that this isn't 'const' */
|
|
char *dn = ldap_get_dn(server, entryIterator);
|
|
int i;
|
|
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"DN: ", 4);
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)dn, 0);
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
|
|
|
|
for (attribute = ldap_first_attribute(server, entryIterator, &ber);
|
|
attribute;
|
|
attribute = ldap_next_attribute(server, entryIterator, ber))
|
|
{
|
|
BerValue **vals = ldap_get_values_len(server, entryIterator, attribute);
|
|
|
|
if(vals != NULL)
|
|
{
|
|
for (i = 0; (vals[i] != NULL); i++)
|
|
{
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\t", 1);
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, (char *) attribute, 0);
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)": ", 2);
|
|
if((strlen(attribute) > 7) &&
|
|
(strcmp(";binary",
|
|
(char *)attribute +
|
|
(strlen((char *)attribute) - 7)) == 0)) {
|
|
/* Binary attribute, encode to base64. */
|
|
val_b64_sz = Curl_base64_encode(conn->data,
|
|
vals[i]->bv_val,
|
|
vals[i]->bv_len,
|
|
&val_b64);
|
|
if(val_b64_sz > 0) {
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, val_b64, val_b64_sz);
|
|
free(val_b64);
|
|
}
|
|
} else
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, vals[i]->bv_val,
|
|
vals[i]->bv_len);
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 0);
|
|
}
|
|
|
|
/* Free memory used to store values */
|
|
ldap_value_free_len(vals);
|
|
}
|
|
Curl_client_write(conn, CLIENTWRITE_BODY, (char *)"\n", 1);
|
|
|
|
ldap_memfree(attribute);
|
|
}
|
|
ldap_memfree(dn);
|
|
if(ber)
|
|
ber_free(ber, 0);
|
|
}
|
|
|
|
quit:
|
|
if(result) {
|
|
ldap_msgfree(result);
|
|
LDAP_TRACE (("Received %d entries\n", num));
|
|
}
|
|
if(rc == LDAP_SIZELIMIT_EXCEEDED)
|
|
infof(data, "There are more than %d entries\n", num);
|
|
if(ludp)
|
|
ldap_free_urldesc(ludp);
|
|
if(server)
|
|
ldap_unbind_s(server);
|
|
#if defined(HAVE_LDAP_SSL) && defined(CURL_HAS_NOVELL_LDAPSDK)
|
|
if(ldap_ssl)
|
|
ldapssl_client_deinit();
|
|
#endif /* HAVE_LDAP_SSL && CURL_HAS_NOVELL_LDAPSDK */
|
|
|
|
/* no data to transfer */
|
|
Curl_setup_transfer(conn, -1, -1, FALSE, NULL, -1, NULL);
|
|
conn->bits.close = TRUE;
|
|
|
|
return status;
|
|
}
|
|
|
|
#ifdef DEBUG_LDAP
|
|
static void _ldap_trace (const char *fmt, ...)
|
|
{
|
|
static int do_trace = -1;
|
|
va_list args;
|
|
|
|
if(do_trace == -1) {
|
|
const char *env = getenv("CURL_TRACE");
|
|
do_trace = (env && atoi(env) > 0);
|
|
}
|
|
if(!do_trace)
|
|
return;
|
|
|
|
va_start (args, fmt);
|
|
vfprintf (stderr, fmt, args);
|
|
va_end (args);
|
|
}
|
|
#endif
|
|
|
|
#ifndef HAVE_LDAP_URL_PARSE
|
|
|
|
/*
|
|
* Return scope-value for a scope-string.
|
|
*/
|
|
static int str2scope (const char *p)
|
|
{
|
|
if(!stricmp(p, "one"))
|
|
return LDAP_SCOPE_ONELEVEL;
|
|
if(!stricmp(p, "onetree"))
|
|
return LDAP_SCOPE_ONELEVEL;
|
|
if(!stricmp(p, "base"))
|
|
return LDAP_SCOPE_BASE;
|
|
if(!stricmp(p, "sub"))
|
|
return LDAP_SCOPE_SUBTREE;
|
|
if(!stricmp( p, "subtree"))
|
|
return LDAP_SCOPE_SUBTREE;
|
|
return (-1);
|
|
}
|
|
|
|
/*
|
|
* Split 'str' into strings separated by commas.
|
|
* Note: res[] points into 'str'.
|
|
*/
|
|
static char **split_str (char *str)
|
|
{
|
|
char **res, *lasts, *s;
|
|
int i;
|
|
|
|
for (i = 2, s = strchr(str,','); s; i++)
|
|
s = strchr(++s,',');
|
|
|
|
res = calloc(i, sizeof(char*));
|
|
if(!res)
|
|
return NULL;
|
|
|
|
for (i = 0, s = strtok_r(str, ",", &lasts); s;
|
|
s = strtok_r(NULL, ",", &lasts), i++)
|
|
res[i] = s;
|
|
return res;
|
|
}
|
|
|
|
/*
|
|
* Unescape the LDAP-URL components
|
|
*/
|
|
static bool unescape_elements (void *data, LDAPURLDesc *ludp)
|
|
{
|
|
int i;
|
|
|
|
if(ludp->lud_filter) {
|
|
ludp->lud_filter = curl_easy_unescape(data, ludp->lud_filter, 0, NULL);
|
|
if(!ludp->lud_filter)
|
|
return (FALSE);
|
|
}
|
|
|
|
for (i = 0; ludp->lud_attrs && ludp->lud_attrs[i]; i++) {
|
|
ludp->lud_attrs[i] = curl_easy_unescape(data, ludp->lud_attrs[i], 0, NULL);
|
|
if(!ludp->lud_attrs[i])
|
|
return (FALSE);
|
|
}
|
|
|
|
for (i = 0; ludp->lud_exts && ludp->lud_exts[i]; i++) {
|
|
ludp->lud_exts[i] = curl_easy_unescape(data, ludp->lud_exts[i], 0, NULL);
|
|
if(!ludp->lud_exts[i])
|
|
return (FALSE);
|
|
}
|
|
|
|
if(ludp->lud_dn) {
|
|
char *dn = ludp->lud_dn;
|
|
char *new_dn = curl_easy_unescape(data, dn, 0, NULL);
|
|
|
|
free(dn);
|
|
ludp->lud_dn = new_dn;
|
|
if(!new_dn)
|
|
return (FALSE);
|
|
}
|
|
return (TRUE);
|
|
}
|
|
|
|
/*
|
|
* Break apart the pieces of an LDAP URL.
|
|
* Syntax:
|
|
* ldap://<hostname>:<port>/<base_dn>?<attributes>?<scope>?<filter>?<ext>
|
|
*
|
|
* <hostname> already known from 'conn->host.name'.
|
|
* <port> already known from 'conn->remote_port'.
|
|
* extract the rest from 'conn->data->state.path+1'. All fields are optional.
|
|
* e.g.
|
|
* ldap://<hostname>:<port>/?<attributes>?<scope>?<filter>
|
|
* yields ludp->lud_dn = "".
|
|
*
|
|
* Ref. http://developer.netscape.com/docs/manuals/dirsdk/csdk30/url.htm#2831915
|
|
*/
|
|
static int _ldap_url_parse2 (const struct connectdata *conn, LDAPURLDesc *ludp)
|
|
{
|
|
char *p, *q;
|
|
int i;
|
|
|
|
if(!conn->data ||
|
|
!conn->data->state.path ||
|
|
conn->data->state.path[0] != '/' ||
|
|
!checkprefix(conn->protostr, conn->data->change.url))
|
|
return LDAP_INVALID_SYNTAX;
|
|
|
|
ludp->lud_scope = LDAP_SCOPE_BASE;
|
|
ludp->lud_port = conn->remote_port;
|
|
ludp->lud_host = conn->host.name;
|
|
|
|
/* parse DN (Distinguished Name).
|
|
*/
|
|
ludp->lud_dn = strdup(conn->data->state.path+1);
|
|
if(!ludp->lud_dn)
|
|
return LDAP_NO_MEMORY;
|
|
|
|
p = strchr(ludp->lud_dn, '?');
|
|
LDAP_TRACE (("DN '%.*s'\n", p ? (size_t)(p-ludp->lud_dn) :
|
|
strlen(ludp->lud_dn), ludp->lud_dn));
|
|
|
|
if(!p)
|
|
goto success;
|
|
|
|
*p++ = '\0';
|
|
|
|
/* parse attributes. skip "??".
|
|
*/
|
|
q = strchr(p, '?');
|
|
if(q)
|
|
*q++ = '\0';
|
|
|
|
if(*p && *p != '?') {
|
|
ludp->lud_attrs = split_str(p);
|
|
if(!ludp->lud_attrs)
|
|
return LDAP_NO_MEMORY;
|
|
|
|
for (i = 0; ludp->lud_attrs[i]; i++)
|
|
LDAP_TRACE (("attr[%d] '%s'\n", i, ludp->lud_attrs[i]));
|
|
}
|
|
|
|
p = q;
|
|
if(!p)
|
|
goto success;
|
|
|
|
/* parse scope. skip "??"
|
|
*/
|
|
q = strchr(p, '?');
|
|
if(q)
|
|
*q++ = '\0';
|
|
|
|
if(*p && *p != '?') {
|
|
ludp->lud_scope = str2scope(p);
|
|
if(ludp->lud_scope == -1)
|
|
return LDAP_INVALID_SYNTAX;
|
|
LDAP_TRACE (("scope %d\n", ludp->lud_scope));
|
|
}
|
|
|
|
p = q;
|
|
if(!p)
|
|
goto success;
|
|
|
|
/* parse filter
|
|
*/
|
|
q = strchr(p, '?');
|
|
if(q)
|
|
*q++ = '\0';
|
|
if(!*p)
|
|
return LDAP_INVALID_SYNTAX;
|
|
|
|
ludp->lud_filter = p;
|
|
LDAP_TRACE (("filter '%s'\n", ludp->lud_filter));
|
|
|
|
p = q;
|
|
if(!p)
|
|
goto success;
|
|
|
|
/* parse extensions
|
|
*/
|
|
ludp->lud_exts = split_str(p);
|
|
if(!ludp->lud_exts)
|
|
return LDAP_NO_MEMORY;
|
|
|
|
for (i = 0; ludp->lud_exts[i]; i++)
|
|
LDAP_TRACE (("exts[%d] '%s'\n", i, ludp->lud_exts[i]));
|
|
|
|
success:
|
|
if(!unescape_elements(conn->data, ludp))
|
|
return LDAP_NO_MEMORY;
|
|
return LDAP_SUCCESS;
|
|
}
|
|
|
|
static int _ldap_url_parse (const struct connectdata *conn,
|
|
LDAPURLDesc **ludpp)
|
|
{
|
|
LDAPURLDesc *ludp = calloc(sizeof(*ludp), 1);
|
|
int rc;
|
|
|
|
*ludpp = NULL;
|
|
if(!ludp)
|
|
return LDAP_NO_MEMORY;
|
|
|
|
rc = _ldap_url_parse2 (conn, ludp);
|
|
if(rc != LDAP_SUCCESS) {
|
|
_ldap_free_urldesc(ludp);
|
|
ludp = NULL;
|
|
}
|
|
*ludpp = ludp;
|
|
return (rc);
|
|
}
|
|
|
|
static void _ldap_free_urldesc (LDAPURLDesc *ludp)
|
|
{
|
|
int i;
|
|
|
|
if(!ludp)
|
|
return;
|
|
|
|
if(ludp->lud_dn)
|
|
free(ludp->lud_dn);
|
|
|
|
if(ludp->lud_filter)
|
|
free(ludp->lud_filter);
|
|
|
|
if(ludp->lud_attrs) {
|
|
for (i = 0; ludp->lud_attrs[i]; i++)
|
|
free(ludp->lud_attrs[i]);
|
|
free(ludp->lud_attrs);
|
|
}
|
|
|
|
if(ludp->lud_exts) {
|
|
for (i = 0; ludp->lud_exts[i]; i++)
|
|
free(ludp->lud_exts[i]);
|
|
free(ludp->lud_exts);
|
|
}
|
|
free (ludp);
|
|
}
|
|
#endif /* !HAVE_LDAP_URL_PARSE */
|
|
#endif /* CURL_DISABLE_LDAP */
|