openldap/libraries/libldap/options.c
Kurt Zeilenga c4f5497ac6 move TLS ctx to lconn struct in prep for supporting TLS with referrals
need to rework cert check to use per lconn host name
2001-06-25 07:33:42 +00:00

611 lines
13 KiB
C

/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include "ldap-int.h"
#define LDAP_OPT_REBIND_PROC 0x4e814d
#define LDAP_OPT_REBIND_PARAMS 0x4e814e
static const LDAPAPIFeatureInfo features[] = {
#ifdef LDAP_API_FEATURE_X_OPENLDAP
{ /* OpenLDAP Extensions API Feature */
LDAP_FEATURE_INFO_VERSION,
"X_OPENLDAP",
LDAP_API_FEATURE_X_OPENLDAP
},
#endif
#ifdef LDAP_API_FEATURE_THREAD_SAFE
{ /* Basic Thread Safe */
LDAP_FEATURE_INFO_VERSION,
"THREAD_SAFE",
LDAP_API_FEATURE_THREAD_SAFE
},
#endif
#ifdef LDAP_API_FEATURE_SESSION_THREAD_SAFE
{ /* Session Thread Safe */
LDAP_FEATURE_INFO_VERSION,
"SESSION_THREAD_SAFE",
LDAP_API_FEATURE_SESSION_THREAD_SAFE
},
#endif
#ifdef LDAP_API_FEATURE_OPERATION_THREAD_SAFE
{ /* Operation Thread Safe */
LDAP_FEATURE_INFO_VERSION,
"OPERATION_THREAD_SAFE",
LDAP_API_FEATURE_OPERATION_THREAD_SAFE
},
#endif
#ifdef LDAP_API_FEATURE_X_OPENLDAP_REENTRANT
{ /* OpenLDAP Reentrant */
LDAP_FEATURE_INFO_VERSION,
"X_OPENLDAP_REENTRANT",
LDAP_API_FEATURE_X_OPENLDAP_REENTRANT
},
#endif
#if defined( LDAP_API_FEATURE_X_OPENLDAP_THREAD_SAFE ) && \
defined( LDAP_THREAD_SAFE )
{ /* OpenLDAP Thread Safe */
LDAP_FEATURE_INFO_VERSION,
"X_OPENLDAP_THREAD_SAFE",
LDAP_API_FEATURE_X_OPENLDAP_THREAD_SAFE
},
#endif
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
{ /* V2 Referrals */
LDAP_FEATURE_INFO_VERSION,
"X_OPENLDAP_V2_REFERRALS",
LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
},
#endif
{0, NULL, 0}
};
int
ldap_get_option(
LDAP *ld,
int option,
void *outvalue)
{
struct ldapoptions *lo;
/* Get pointer to global option structure */
lo = LDAP_INT_GLOBAL_OPT();
if (NULL == lo) {
return LDAP_NO_MEMORY;
}
if( lo->ldo_valid != LDAP_INITIALIZED ) {
ldap_int_initialize(lo, NULL);
}
if(ld != NULL) {
assert( LDAP_VALID( ld ) );
if( !LDAP_VALID( ld ) ) {
return LDAP_OPT_ERROR;
}
lo = &ld->ld_options;
}
if(outvalue == NULL) {
/* no place to get to */
return LDAP_OPT_ERROR;
}
switch(option) {
case LDAP_OPT_API_INFO: {
struct ldapapiinfo *info = (struct ldapapiinfo *) outvalue;
if(info == NULL) {
/* outvalue must point to an apiinfo structure */
return LDAP_OPT_ERROR;
}
if(info->ldapai_info_version != LDAP_API_INFO_VERSION) {
/* api info version mismatch */
info->ldapai_info_version = LDAP_API_INFO_VERSION;
return LDAP_OPT_ERROR;
}
info->ldapai_api_version = LDAP_API_VERSION;
info->ldapai_api_version = LDAP_API_VERSION;
info->ldapai_protocol_version = LDAP_VERSION_MAX;
if(features[0].ldapaif_name == NULL) {
info->ldapai_extensions = NULL;
} else {
int i;
info->ldapai_extensions = LDAP_MALLOC(sizeof(char *) *
sizeof(features)/sizeof(LDAPAPIFeatureInfo));
for(i=0; features[i].ldapaif_name != NULL; i++) {
info->ldapai_extensions[i] =
LDAP_STRDUP(features[i].ldapaif_name);
}
info->ldapai_extensions[i] = NULL;
}
info->ldapai_vendor_name = LDAP_STRDUP(LDAP_VENDOR_NAME);
info->ldapai_vendor_version = LDAP_VENDOR_VERSION;
return LDAP_OPT_SUCCESS;
} break;
case LDAP_OPT_DESC:
if( ld == NULL || ld->ld_sb == NULL ) {
/* bad param */
break;
}
ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, outvalue );
return LDAP_OPT_SUCCESS;
case LDAP_OPT_TIMEOUT:
/* the caller has to free outvalue ! */
if ( ldap_int_timeval_dup( outvalue, lo->ldo_tm_api) != 0 )
{
return LDAP_OPT_ERROR;
}
return LDAP_OPT_SUCCESS;
case LDAP_OPT_NETWORK_TIMEOUT:
/* the caller has to free outvalue ! */
if ( ldap_int_timeval_dup( outvalue, lo->ldo_tm_net ) != 0 )
{
return LDAP_OPT_ERROR;
}
return LDAP_OPT_SUCCESS;
case LDAP_OPT_DEREF:
* (int *) outvalue = lo->ldo_deref;
return LDAP_OPT_SUCCESS;
case LDAP_OPT_SIZELIMIT:
* (int *) outvalue = lo->ldo_sizelimit;
return LDAP_OPT_SUCCESS;
case LDAP_OPT_TIMELIMIT:
* (int *) outvalue = lo->ldo_timelimit;
return LDAP_OPT_SUCCESS;
case LDAP_OPT_REFERRALS:
* (int *) outvalue = (int) LDAP_BOOL_GET(lo, LDAP_BOOL_REFERRALS);
return LDAP_OPT_SUCCESS;
case LDAP_OPT_RESTART:
* (int *) outvalue = (int) LDAP_BOOL_GET(lo, LDAP_BOOL_RESTART);
return LDAP_OPT_SUCCESS;
case LDAP_OPT_PROTOCOL_VERSION:
* (int *) outvalue = lo->ldo_version;
return LDAP_OPT_SUCCESS;
case LDAP_OPT_SERVER_CONTROLS:
* (LDAPControl ***) outvalue =
ldap_controls_dup( lo->ldo_sctrls );
return LDAP_OPT_SUCCESS;
case LDAP_OPT_CLIENT_CONTROLS:
* (LDAPControl ***) outvalue =
ldap_controls_dup( lo->ldo_cctrls );
return LDAP_OPT_SUCCESS;
case LDAP_OPT_HOST_NAME:
* (char **) outvalue = ldap_url_list2hosts(lo->ldo_defludp);
return LDAP_OPT_SUCCESS;
case LDAP_OPT_URI:
* (char **) outvalue = ldap_url_list2urls(lo->ldo_defludp);
return LDAP_OPT_SUCCESS;
case LDAP_OPT_ERROR_NUMBER:
if(ld == NULL) {
/* bad param */
break;
}
* (int *) outvalue = ld->ld_errno;
return LDAP_OPT_SUCCESS;
case LDAP_OPT_ERROR_STRING:
if(ld == NULL) {
/* bad param */
break;
}
if( ld->ld_error == NULL ) {
* (char **) outvalue = NULL;
} else {
* (char **) outvalue = LDAP_STRDUP(ld->ld_error);
}
return LDAP_OPT_SUCCESS;
case LDAP_OPT_MATCHED_DN:
if(ld == NULL) {
/* bad param */
break;
}
if( ld->ld_matched == NULL ) {
* (char **) outvalue = NULL;
} else {
* (char **) outvalue = LDAP_STRDUP(ld->ld_matched);
}
return LDAP_OPT_SUCCESS;
case LDAP_OPT_API_FEATURE_INFO: {
LDAPAPIFeatureInfo *info = (LDAPAPIFeatureInfo *) outvalue;
int i;
if(info == NULL) return LDAP_OPT_ERROR;
if(info->ldapaif_info_version != LDAP_FEATURE_INFO_VERSION) {
/* api info version mismatch */
info->ldapaif_info_version = LDAP_FEATURE_INFO_VERSION;
return LDAP_OPT_ERROR;
}
if(info->ldapaif_name == NULL) return LDAP_OPT_ERROR;
for(i=0; features[i].ldapaif_name != NULL; i++) {
if(!strcmp(info->ldapaif_name, features[i].ldapaif_name)) {
info->ldapaif_version =
features[i].ldapaif_version;
return LDAP_OPT_SUCCESS;
}
}
}
break;
case LDAP_OPT_DEBUG_LEVEL:
* (int *) outvalue = lo->ldo_debug;
return LDAP_OPT_SUCCESS;
default:
#ifdef HAVE_TLS
if ( ldap_pvt_tls_get_option( ld, option, outvalue ) == 0 ) {
return LDAP_OPT_SUCCESS;
}
#endif
#ifdef HAVE_CYRUS_SASL
if ( ldap_int_sasl_get_option( ld, option, outvalue ) == 0 ) {
return LDAP_OPT_SUCCESS;
}
#endif
/* bad param */
break;
}
return LDAP_OPT_ERROR;
}
int
ldap_set_option(
LDAP *ld,
int option,
LDAP_CONST void *invalue)
{
struct ldapoptions *lo;
int *dbglvl = NULL;
/* Get pointer to global option structure */
lo = LDAP_INT_GLOBAL_OPT();
if (lo == NULL) {
return LDAP_NO_MEMORY;
}
/*
* The architecture to turn on debugging has a chicken and egg
* problem. Thus, we introduce a fix here.
*/
if (option == LDAP_OPT_DEBUG_LEVEL)
dbglvl = (int *) invalue;
if( lo->ldo_valid != LDAP_INITIALIZED ) {
ldap_int_initialize(lo, dbglvl);
}
if(ld != NULL) {
assert( LDAP_VALID( ld ) );
if( !LDAP_VALID( ld ) ) {
return LDAP_OPT_ERROR;
}
lo = &ld->ld_options;
}
switch(option) {
case LDAP_OPT_REFERRALS:
if(invalue == LDAP_OPT_OFF) {
LDAP_BOOL_CLR(lo, LDAP_BOOL_REFERRALS);
} else {
LDAP_BOOL_SET(lo, LDAP_BOOL_REFERRALS);
}
return LDAP_OPT_SUCCESS;
case LDAP_OPT_RESTART:
if(invalue == LDAP_OPT_OFF) {
LDAP_BOOL_CLR(lo, LDAP_BOOL_RESTART);
} else {
LDAP_BOOL_SET(lo, LDAP_BOOL_RESTART);
}
return LDAP_OPT_SUCCESS;
}
/* options which can withstand invalue == NULL */
switch ( option ) {
case LDAP_OPT_SERVER_CONTROLS: {
LDAPControl *const *controls =
(LDAPControl *const *) invalue;
ldap_controls_free( lo->ldo_sctrls );
if( controls == NULL || *controls == NULL ) {
lo->ldo_sctrls = NULL;
return LDAP_OPT_SUCCESS;
}
lo->ldo_sctrls = ldap_controls_dup( controls );
if(lo->ldo_sctrls == NULL) {
/* memory allocation error ? */
break;
}
} return LDAP_OPT_SUCCESS;
case LDAP_OPT_CLIENT_CONTROLS: {
LDAPControl *const *controls =
(LDAPControl *const *) invalue;
ldap_controls_free( lo->ldo_cctrls );
if( controls == NULL || *controls == NULL ) {
lo->ldo_cctrls = NULL;
return LDAP_OPT_SUCCESS;
}
lo->ldo_cctrls = ldap_controls_dup( controls );
if(lo->ldo_cctrls == NULL) {
/* memory allocation error ? */
break;
}
} return LDAP_OPT_SUCCESS;
case LDAP_OPT_TIMEOUT: {
const struct timeval *tv =
(const struct timeval *) invalue;
if ( lo->ldo_tm_api != NULL ) {
LDAP_FREE( lo->ldo_tm_api );
lo->ldo_tm_api = NULL;
}
if ( ldap_int_timeval_dup( &lo->ldo_tm_api, tv ) != 0 ) {
return LDAP_OPT_ERROR;
}
} return LDAP_OPT_SUCCESS;
case LDAP_OPT_NETWORK_TIMEOUT: {
const struct timeval *tv =
(const struct timeval *) invalue;
if ( lo->ldo_tm_net != NULL ) {
LDAP_FREE( lo->ldo_tm_net );
lo->ldo_tm_net = NULL;
}
if ( ldap_int_timeval_dup( &lo->ldo_tm_net, tv ) != 0 ) {
return LDAP_OPT_ERROR;
}
} return LDAP_OPT_SUCCESS;
/* Only accessed from inside this function by ldap_set_rebind_proc() */
case LDAP_OPT_REBIND_PROC: {
lo->ldo_rebind_proc = (LDAP_REBIND_PROC *)invalue;
} return LDAP_OPT_SUCCESS;
case LDAP_OPT_REBIND_PARAMS: {
lo->ldo_rebind_params = (void *)invalue;
} return LDAP_OPT_SUCCESS;
}
if(invalue == NULL) {
/* no place to set from */
return LDAP_OPT_ERROR;
}
/* options which cannot withstand invalue == NULL */
switch(option) {
case LDAP_OPT_API_INFO:
case LDAP_OPT_DESC:
/* READ ONLY */
break;
case LDAP_OPT_DEREF:
lo->ldo_deref = * (const int *) invalue;
return LDAP_OPT_SUCCESS;
case LDAP_OPT_SIZELIMIT:
lo->ldo_sizelimit = * (const int *) invalue;
return LDAP_OPT_SUCCESS;
case LDAP_OPT_TIMELIMIT:
lo->ldo_timelimit = * (const int *) invalue;
return LDAP_OPT_SUCCESS;
case LDAP_OPT_PROTOCOL_VERSION: {
int vers = * (const int *) invalue;
if (vers < LDAP_VERSION_MIN || vers > LDAP_VERSION_MAX) {
/* not supported */
break;
}
lo->ldo_version = vers;
} return LDAP_OPT_SUCCESS;
case LDAP_OPT_HOST_NAME: {
const char *host = (const char *) invalue;
LDAPURLDesc *ludlist = NULL;
int rc = LDAP_OPT_SUCCESS;
if(host != NULL) {
rc = ldap_url_parsehosts( &ludlist, host,
lo->ldo_defport ? lo->ldo_defport : LDAP_PORT );
} else if(ld == NULL) {
/*
* must want global default returned
* to initial condition.
*/
rc = ldap_url_parselist(&ludlist, "ldap://localhost/");
} else {
/*
* must want the session default
* updated to the current global default
*/
ludlist = ldap_url_duplist(
ldap_int_global_options.ldo_defludp);
if (ludlist == NULL)
rc = LDAP_NO_MEMORY;
}
if (rc == LDAP_OPT_SUCCESS) {
if (lo->ldo_defludp != NULL)
ldap_free_urllist(lo->ldo_defludp);
lo->ldo_defludp = ludlist;
}
return rc;
}
case LDAP_OPT_URI: {
const char *urls = (const char *) invalue;
LDAPURLDesc *ludlist = NULL;
int rc = LDAP_OPT_SUCCESS;
if(urls != NULL) {
rc = ldap_url_parselist(&ludlist, urls);
} else if(ld == NULL) {
/*
* must want global default returned
* to initial condition.
*/
rc = ldap_url_parselist(&ludlist, "ldap://localhost/");
} else {
/*
* must want the session default
* updated to the current global default
*/
ludlist = ldap_url_duplist(
ldap_int_global_options.ldo_defludp);
if (ludlist == NULL)
rc = LDAP_NO_MEMORY;
}
if (rc == LDAP_OPT_SUCCESS) {
if (lo->ldo_defludp != NULL)
ldap_free_urllist(lo->ldo_defludp);
lo->ldo_defludp = ludlist;
}
return rc;
}
case LDAP_OPT_ERROR_NUMBER: {
int err = * (const int *) invalue;
if(ld == NULL) {
/* need a struct ldap */
break;
}
ld->ld_errno = err;
} return LDAP_OPT_SUCCESS;
case LDAP_OPT_ERROR_STRING: {
const char *err = (const char *) invalue;
if(ld == NULL) {
/* need a struct ldap */
break;
}
if( ld->ld_error ) {
LDAP_FREE(ld->ld_error);
}
ld->ld_error = LDAP_STRDUP(err);
} return LDAP_OPT_SUCCESS;
case LDAP_OPT_MATCHED_DN: {
const char *err = (const char *) invalue;
if(ld == NULL) {
/* need a struct ldap */
break;
}
if( ld->ld_matched ) {
LDAP_FREE(ld->ld_matched);
}
ld->ld_matched = LDAP_STRDUP(err);
} return LDAP_OPT_SUCCESS;
case LDAP_OPT_API_FEATURE_INFO:
/* read-only */
break;
case LDAP_OPT_DEBUG_LEVEL:
lo->ldo_debug = * (const int *) invalue;
return LDAP_OPT_SUCCESS;
default:
#ifdef HAVE_TLS
if ( ldap_pvt_tls_set_option( lo, option, (void *)invalue ) == 0 )
return LDAP_OPT_SUCCESS;
#endif
#ifdef HAVE_CYRUS_SASL
if ( ldap_int_sasl_set_option( ld, option, (void *)invalue ) == 0 )
return LDAP_OPT_SUCCESS;
#endif
/* bad param */
break;
}
return LDAP_OPT_ERROR;
}
int
ldap_set_rebind_proc( LDAP *ld, LDAP_REBIND_PROC *proc, void *params )
{
int rc;
rc = ldap_set_option( ld, LDAP_OPT_REBIND_PROC, (void *)proc );
if( rc != LDAP_OPT_SUCCESS ) return rc;
rc = ldap_set_option( ld, LDAP_OPT_REBIND_PARAMS, (void *)params );
return rc;
}