#include "portable.h"
#include <stdio.h>
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#include <ac/stdlib.h>
#include <ac/string.h>
#include <lber.h>
#include <ldap_log.h>
#include "slap.h"
#ifdef ENABLE_REWRITE
#include <rewrite.h>
#endif
#ifdef HAVE_CYRUS_SASL
# ifdef HAVE_SASL_SASL_H
# include <sasl/sasl.h>
# include <sasl/saslplug.h>
# else
# include <sasl.h>
# include <saslplug.h>
# endif
# define SASL_CONST const
#define SASL_VERSION_FULL ((SASL_VERSION_MAJOR << 16) |\
(SASL_VERSION_MINOR << 8) | SASL_VERSION_STEP)
static sasl_security_properties_t sasl_secprops;
#elif defined( SLAP_BUILTIN_SASL )
typedef struct sasl_ctx {
slap_ssf_t sc_external_ssf;
struct berval sc_external_id;
} SASL_CTX;
#endif
#include <Heimdal/krb5.h>
#include <pac.h>
#include <membershipPriv.h>
#define __COREFOUNDATION_CFFILESECURITY__
#include <CoreFoundation/CoreFoundation.h>
#define SASL_KRB5_AUTH_DATA_SIG 0xFFD5AA96
typedef struct sasl_krb5_authdata {
uint32_t structID; uint32_t version; uint32_t length;
void *data;
unsigned char *realm;
} sasl_krb5_authdata;
int sasl_krb5_authdata_pac( Operation *op);
#include <lutil.h>
static struct berval ext_bv = BER_BVC( "EXTERNAL" );
static struct berval gssapi_bv = BER_BVC( "GSSAPI" );
char *slap_sasl_auxprops;
#ifdef HAVE_CYRUS_SASL
static int
slap_sasl_getopt(
void *context,
const char *plugin_name,
const char *option,
const char **result,
unsigned *len)
{
if ( strcmp( option, "auxprop_plugin" )) {
return SASL_FAIL;
}
if ( slap_sasl_auxprops )
*result = slap_sasl_auxprops;
else
*result = "slapd";
return SASL_OK;
}
int
slap_sasl_log(
void *context,
int priority,
const char *message)
{
Connection *conn = context;
int level;
const char * label;
if ( message == NULL ) {
return SASL_BADPARAM;
}
switch (priority) {
case SASL_LOG_NONE:
level = LDAP_DEBUG_NONE;
label = "None";
break;
case SASL_LOG_ERR:
level = LDAP_DEBUG_ANY;
label = "Error";
break;
case SASL_LOG_FAIL:
level = LDAP_DEBUG_ANY;
label = "Failure";
break;
case SASL_LOG_WARN:
level = LDAP_DEBUG_TRACE;
label = "Warning";
break;
case SASL_LOG_NOTE:
level = LDAP_DEBUG_TRACE;
label = "Notice";
break;
case SASL_LOG_DEBUG:
level = LDAP_DEBUG_TRACE;
label = "Debug";
break;
case SASL_LOG_TRACE:
level = LDAP_DEBUG_TRACE;
label = "Trace";
break;
case SASL_LOG_PASS:
level = LDAP_DEBUG_TRACE;
label = "Password Trace";
break;
default:
return SASL_BADPARAM;
}
Debug( level, "SASL [conn=%ld] %s: %s\n",
conn ? (long) conn->c_connid: -1L,
label, message );
return SASL_OK;
}
static const char *slap_propnames[] = {
"*slapConn", "*slapAuthcDNlen", "*slapAuthcDN",
"*slapAuthzDNlen", "*slapAuthzDN", NULL };
static Filter generic_filter = { LDAP_FILTER_PRESENT, { 0 }, NULL };
static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
#define SLAP_SASL_PROP_CONN 0
#define SLAP_SASL_PROP_AUTHCLEN 1
#define SLAP_SASL_PROP_AUTHC 2
#define SLAP_SASL_PROP_AUTHZLEN 3
#define SLAP_SASL_PROP_AUTHZ 4
#define SLAP_SASL_PROP_COUNT 5
typedef struct lookup_info {
int flags;
const struct propval *list;
sasl_server_params_t *sparams;
#ifdef __APPLE__
uuid_string_t uuidstr;
#endif
} lookup_info;
static slap_response sasl_ap_lookup;
static struct berval sc_cleartext = BER_BVC("{CLEARTEXT}");
static int
sasl_ap_lookup( Operation *op, SlapReply *rs )
{
BerVarray bv;
AttributeDescription *ad;
Attribute *a;
const char *text;
int rc, i;
lookup_info *sl = (lookup_info *)op->o_callback->sc_private;
if (rs->sr_type != REP_SEARCH) return 0;
for( i = 0; sl->list[i].name; i++ ) {
const char *name = sl->list[i].name;
if ( name[0] == '*' ) {
if ( sl->flags & SASL_AUXPROP_AUTHZID ) continue;
if ( !strcmp( name, slap_propnames[0] )) {
i += SLAP_SASL_PROP_COUNT - 1;
continue;
}
name++;
} else if ( !(sl->flags & SASL_AUXPROP_AUTHZID ) )
continue;
if ( sl->list[i].values ) {
if ( !(sl->flags & SASL_AUXPROP_OVERRIDE) ) continue;
}
ad = NULL;
rc = slap_str2ad( name, &ad, &text );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE,
"slap_ap_lookup: str2ad(%s): %s\n", name, text, 0 );
continue;
}
if ( ad == slap_schema.si_ad_userPassword && sl->list[i].values &&
be_isroot_dn( op->o_bd, &op->o_req_ndn ))
continue;
a = attr_find( rs->sr_entry->e_attrs, ad );
if ( !a ) continue;
if ( ! access_allowed( op, rs->sr_entry, ad, NULL, ACL_AUTH, NULL ) ) {
continue;
}
if ( sl->list[i].values && ( sl->flags & SASL_AUXPROP_OVERRIDE ) ) {
sl->sparams->utils->prop_erase( sl->sparams->propctx,
sl->list[i].name );
}
for ( bv = a->a_vals; bv->bv_val; bv++ ) {
if ( ad == slap_schema.si_ad_userPassword &&
bv->bv_val[0] == '{' )
{
if ( lutil_passwd_scheme( bv->bv_val ) ) {
#ifdef SLAPD_CLEARTEXT
if ( !strncasecmp( bv->bv_val, sc_cleartext.bv_val,
sc_cleartext.bv_len )) {
struct berval cbv;
cbv.bv_len = bv->bv_len - sc_cleartext.bv_len;
if ( cbv.bv_len > 0 ) {
cbv.bv_val = bv->bv_val + sc_cleartext.bv_len;
sl->sparams->utils->prop_set( sl->sparams->propctx,
sl->list[i].name, cbv.bv_val, cbv.bv_len );
}
}
#endif
continue;
}
}
sl->sparams->utils->prop_set( sl->sparams->propctx,
sl->list[i].name, bv->bv_val, bv->bv_len );
}
}
return LDAP_SUCCESS;
}
#if SASL_VERSION_FULL >= 0x020118
static int
#else
static void
#endif
slap_auxprop_lookup(
void *glob_context,
sasl_server_params_t *sparams,
unsigned flags,
const char *user,
unsigned ulen)
{
OperationBuffer opbuf = {{ NULL }};
Operation *op = (Operation *)&opbuf;
int i, doit = 0;
Connection *conn = NULL;
lookup_info sl;
int rc = LDAP_SUCCESS;
sl.list = sparams->utils->prop_get( sparams->propctx );
sl.sparams = sparams;
sl.flags = flags;
for( i = 0; sl.list[i].name; i++ ) {
if ( sl.list[i].name[0] == '*' ) {
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_CONN] ) ) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &conn, sl.list[i].values[0], sizeof( conn ) );
continue;
}
if ( flags & SASL_AUXPROP_AUTHZID ) {
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZLEN] )) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &op->o_req_ndn.bv_len, sl.list[i].values[0],
sizeof( op->o_req_ndn.bv_len ) );
} else if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZ] )) {
if ( sl.list[i].values )
op->o_req_ndn.bv_val = (char *)sl.list[i].values[0];
break;
}
}
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHCLEN] )) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &op->o_req_ndn.bv_len, sl.list[i].values[0],
sizeof( op->o_req_ndn.bv_len ) );
} else if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
if ( sl.list[i].values ) {
op->o_req_ndn.bv_val = (char *)sl.list[i].values[0];
if ( !(flags & SASL_AUXPROP_AUTHZID) )
break;
}
}
}
}
for( i = 0; sl.list[i].name; i++ ) {
const char *name = sl.list[i].name;
if ( name[0] == '*' ) {
if ( flags & SASL_AUXPROP_AUTHZID ) continue;
if ( !strcmp( name, slap_propnames[0] )) {
i += SLAP_SASL_PROP_COUNT - 1;
continue;
}
name++;
} else if ( !(flags & SASL_AUXPROP_AUTHZID ) )
continue;
if ( sl.list[i].values ) {
if ( !(flags & SASL_AUXPROP_OVERRIDE) ) continue;
}
doit = 1;
break;
}
if (doit) {
slap_callback cb = { NULL, sasl_ap_lookup, NULL, NULL };
cb.sc_private = &sl;
op->o_bd = select_backend( &op->o_req_ndn, 1 );
if ( op->o_bd ) {
if ( be_isroot_dn( op->o_bd, &op->o_req_ndn ) &&
!BER_BVISEMPTY( &op->o_bd->be_rootpw )) {
struct berval cbv = BER_BVNULL;
if ( lutil_passwd_scheme( op->o_bd->be_rootpw.bv_val )) {
if ( !strncasecmp( op->o_bd->be_rootpw.bv_val,
sc_cleartext.bv_val, sc_cleartext.bv_len )) {
cbv.bv_len = op->o_bd->be_rootpw.bv_len -
sc_cleartext.bv_len;
if ( cbv.bv_len ) {
cbv.bv_val = op->o_bd->be_rootpw.bv_val +
sc_cleartext.bv_len;
}
}
} else {
cbv = op->o_bd->be_rootpw;
}
if ( !BER_BVISEMPTY( &cbv )) {
for( i = 0; sl.list[i].name; i++ ) {
const char *name = sl.list[i].name;
if ( name[0] == '*' ) {
if ( flags & SASL_AUXPROP_AUTHZID ) continue;
name++;
} else if ( !(flags & SASL_AUXPROP_AUTHZID ) )
continue;
if ( !strcasecmp(name,"userPassword") ) {
sl.sparams->utils->prop_set( sl.sparams->propctx,
sl.list[i].name, cbv.bv_val, cbv.bv_len );
break;
}
}
}
}
if ( op->o_bd->be_search ) {
SlapReply rs = {REP_RESULT};
op->o_hdr = conn->c_sasl_bindop->o_hdr;
op->o_controls = opbuf.ob_controls;
op->o_tag = LDAP_REQ_SEARCH;
op->o_dn = conn->c_ndn;
op->o_ndn = conn->c_ndn;
op->o_callback = &cb;
slap_op_time( &op->o_time, &op->o_tincr );
op->o_do_not_cache = 1;
op->o_is_auth_check = 1;
op->o_req_dn = op->o_req_ndn;
op->ors_scope = LDAP_SCOPE_BASE;
op->ors_deref = LDAP_DEREF_NEVER;
op->ors_tlimit = SLAP_NO_LIMIT;
op->ors_slimit = 1;
op->ors_filter = &generic_filter;
op->ors_filterstr = generic_filterstr;
op->o_authz = conn->c_authz;
op->ors_attrs = NULL;
rc = op->o_bd->be_search( op, &rs );
}
}
}
#if SASL_VERSION_FULL >= 0x020118
return rc != LDAP_SUCCESS ? SASL_FAIL : SASL_OK;
#endif
}
#if SASL_VERSION_FULL >= 0x020110
static int
slap_auxprop_store(
void *glob_context,
sasl_server_params_t *sparams,
struct propctx *prctx,
const char *user,
unsigned ulen)
{
Operation op = {0};
Opheader oph;
SlapReply rs = {REP_RESULT};
int rc, i;
unsigned j;
Connection *conn = NULL;
const struct propval *pr;
Modifications *modlist = NULL, **modtail = &modlist, *mod;
slap_callback cb = { NULL, slap_null_cb, NULL, NULL };
char textbuf[SLAP_TEXT_BUFLEN];
const char *text;
size_t textlen = sizeof(textbuf);
if (!prctx) return SASL_OK;
if (!sparams || !user) return SASL_BADPARAM;
pr = sparams->utils->prop_get( sparams->propctx );
for( i = 0; pr[i].name; i++ ) {
if ( pr[i].name[0] == '*' ) {
if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_CONN] ) ) {
if ( pr[i].values && pr[i].values[0] )
AC_MEMCPY( &conn, pr[i].values[0], sizeof( conn ) );
continue;
}
if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_AUTHCLEN] )) {
if ( pr[i].values && pr[i].values[0] )
AC_MEMCPY( &op.o_req_ndn.bv_len, pr[i].values[0],
sizeof( op.o_req_ndn.bv_len ) );
} else if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
if ( pr[i].values )
op.o_req_ndn.bv_val = (char *)pr[i].values[0];
}
}
}
if (!conn || !op.o_req_ndn.bv_val) return SASL_BADPARAM;
op.o_bd = select_backend( &op.o_req_ndn, 1 );
if ( !op.o_bd || !op.o_bd->be_modify ) return SASL_FAIL;
pr = sparams->utils->prop_get( prctx );
if (!pr) return SASL_BADPARAM;
for (i=0; pr[i].name; i++);
if (!i) return SASL_BADPARAM;
for (i=0; pr[i].name; i++) {
mod = (Modifications *)ch_malloc( sizeof(Modifications) );
mod->sml_op = LDAP_MOD_REPLACE;
mod->sml_flags = 0;
ber_str2bv( pr[i].name, 0, 0, &mod->sml_type );
mod->sml_numvals = pr[i].nvalues;
mod->sml_values = (struct berval *)ch_malloc( (pr[i].nvalues + 1) *
sizeof(struct berval));
for (j=0; j<pr[i].nvalues; j++) {
ber_str2bv( pr[i].values[j], 0, 1, &mod->sml_values[j]);
}
BER_BVZERO( &mod->sml_values[j] );
mod->sml_nvalues = NULL;
mod->sml_desc = NULL;
*modtail = mod;
modtail = &mod->sml_next;
}
*modtail = NULL;
rc = slap_mods_check( &op, modlist, &text, textbuf, textlen, NULL );
if ( rc == LDAP_SUCCESS ) {
rc = slap_mods_no_user_mod_check( &op, modlist,
&text, textbuf, textlen );
if ( rc == LDAP_SUCCESS ) {
if ( conn->c_sasl_bindop ) {
op.o_hdr = conn->c_sasl_bindop->o_hdr;
} else {
op.o_hdr = &oph;
memset( &oph, 0, sizeof(oph) );
operation_fake_init( conn, &op, ldap_pvt_thread_pool_context(), 0 );
}
op.o_tag = LDAP_REQ_MODIFY;
op.o_ndn = op.o_req_ndn;
op.o_callback = &cb;
slap_op_time( &op.o_time, &op.o_tincr );
op.o_do_not_cache = 1;
op.o_is_auth_check = 1;
op.o_req_dn = op.o_req_ndn;
op.orm_modlist = modlist;
rc = op.o_bd->be_modify( &op, &rs );
}
}
slap_mods_free( modlist, 1 );
return rc != LDAP_SUCCESS ? SASL_FAIL : SASL_OK;
}
#endif
static sasl_auxprop_plug_t slap_auxprop_plugin = {
0,
0,
NULL,
NULL,
slap_auxprop_lookup,
"slapd",
#if SASL_VERSION_FULL >= 0x020110
slap_auxprop_store
#else
NULL
#endif
};
static int
slap_auxprop_init(
const sasl_utils_t *utils,
int max_version,
int *out_version,
sasl_auxprop_plug_t **plug,
const char *plugname)
{
if ( !out_version || !plug ) return SASL_BADPARAM;
if ( max_version < SASL_AUXPROP_PLUG_VERSION ) return SASL_BADVERS;
*out_version = SASL_AUXPROP_PLUG_VERSION;
*plug = &slap_auxprop_plugin;
return SASL_OK;
}
#ifdef __APPLE__
extern void pwsf_DESAutoDecode(void *data);
static int
sasl_authdata_lookup( Operation *op, SlapReply *rs )
{
BerVarray bv;
AttributeDescription *ad = NULL;
Attribute *a = NULL;
const char *text = NULL;
int rc;
int i;
Debug( LDAP_DEBUG_TRACE, "%s: entered\n", __PRETTY_FUNCTION__, 0, 0 );
if (rs->sr_type != REP_SEARCH) return 0;
lookup_info *sl = (lookup_info*)op->o_callback->sc_private;
if( !sl ) {
Debug(LDAP_DEBUG_ANY, "%s: private data is missing!\n", __PRETTY_FUNCTION__, 0, 0);
return 0;
}
for ( i = 0; sl->list[i].name; i++ ) {
bool desdecode = 0;
if ( !strncmp( sl->list[i].name, "*cmusasl", 8) ) {
ad = NULL;
text = NULL;
rc = slap_str2ad(sl->list[i].name+1, &ad, &text);
if (rc != LDAP_SUCCESS) {
Debug(LDAP_DEBUG_ANY, "%s: slap_str2ad failed\n", __PRETTY_FUNCTION__, 0, 0);
return 0;
}
a = attr_find(rs->sr_entry->e_attrs, ad);
if ( !a ) return 0;
for ( bv = a->a_vals; bv->bv_val; bv++ ) {
sl->sparams->utils->prop_set(sl->sparams->propctx, sl->list[i].name, bv->bv_val, bv->bv_len);
break;
}
}
}
return LDAP_SUCCESS;
}
static int
sasl_pws_lookup( Operation *op, SlapReply *rs )
{
BerVarray bv;
AttributeDescription *ad = NULL;
Attribute *a = NULL;
Connection *conn = NULL;
const char *text = NULL;
char slotid[35];
int rc;
int i;
Debug( LDAP_DEBUG_TRACE, "%s: entered\n", __PRETTY_FUNCTION__, 0, 0 );
if (rs->sr_type != REP_SEARCH) return 0;
lookup_info *sl = (lookup_info*)op->o_callback->sc_private;
for ( i = 0; sl->list[i].name; i++ ) {
if ( !strcmp( sl->list[i].name, slap_propnames[SLAP_SASL_PROP_CONN] ) ) {
if ( sl->list[i].values && sl->list[i].values[0] )
AC_MEMCPY( &conn, sl->list[i].values[0], sizeof( conn ) );
continue;
}
}
rc = slap_str2ad("authAuthority", &ad, &text);
if (rc != LDAP_SUCCESS) {
Debug(LDAP_DEBUG_ANY, "%s: slap_str2ad failed\n", __PRETTY_FUNCTION__, 0, 0);
return 0;
}
a = attr_find(rs->sr_entry->e_attrs, ad);
if ( !a ) return 0;
slotid[0] = '\0';
for ( bv = a->a_vals; bv->bv_val; bv++ ) {
if ( strncmp(bv->bv_val, ";ApplePasswordServer;", 21) != 0 ) continue;
if ( bv->bv_len < 55 ) continue;
memcpy(slotid, bv->bv_val+21, 34);
slotid[34] = '\0';
}
if ( slotid[0] != '0' ) {
Debug(LDAP_DEBUG_TRACE, "%s: user slot ID not found in PWS AA\n", __PRETTY_FUNCTION__, 0, 0);
return 0;
}
strncpy(sl->uuidstr, slotid+2, 8);
sl->uuidstr[8] = '-';
strncpy(sl->uuidstr+9, slotid+10, 4);
sl->uuidstr[13] = '-';
strncpy(sl->uuidstr+14, slotid+14, 4);
sl->uuidstr[18] = '-';
strncpy(sl->uuidstr+19, slotid+18, 4);
sl->uuidstr[23] = '-';
strncpy(sl->uuidstr+24, slotid+22, 12);
sl->uuidstr[36] = '\0';
return LDAP_SUCCESS;
}
static void
pws_auxprop_lookup(
void *glob_context __attribute__((unused)),
sasl_server_params_t *sparams,
unsigned flags,
const char *user,
unsigned ulen)
{
Operation op = {0};
Connection *conn = NULL;
lookup_info sl;
int i;
Debug( LDAP_DEBUG_TRACE, "%s: entered", __PRETTY_FUNCTION__, 0, 0 );
sl.list = sparams->utils->prop_get(sparams->propctx);
sl.sparams = sparams;
sl.flags = flags;
for( i = 0; sl.list[i].name; i++ ) {
if ( sl.list[i].name[0] == '*' ) {
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_CONN] ) ) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &conn, sl.list[i].values[0], sizeof( conn ) );
continue;
}
if ( flags & SASL_AUXPROP_AUTHZID ) {
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZLEN] )) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &op.o_req_ndn.bv_len, sl.list[i].values[0],
sizeof( op.o_req_ndn.bv_len ) );
} else if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZ] )) {
if ( sl.list[i].values )
op.o_req_ndn.bv_val = (char *)sl.list[i].values[0];
break;
}
}
if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHCLEN] )) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &op.o_req_ndn.bv_len, sl.list[i].values[0],
sizeof( op.o_req_ndn.bv_len ) );
} else if ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
if ( sl.list[i].values ) {
op.o_req_ndn.bv_val = (char *)sl.list[i].values[0];
if ( !(flags & SASL_AUXPROP_AUTHZID) )
break;
}
}
}
}
slap_callback cb = { NULL, sasl_pws_lookup, NULL, NULL };
cb.sc_private = &sl;
op.o_bd = select_backend( &op.o_req_ndn, 1 );
if ( op.o_bd ) {
if ( op.o_bd->be_search ) {
SlapReply rs = {REP_RESULT};
op.o_hdr = conn->c_sasl_bindop->o_hdr;
op.o_tag = LDAP_REQ_SEARCH;
op.o_dn = conn->c_ndn;
op.o_ndn = conn->c_ndn;
op.o_callback = &cb;
slap_op_time( &op.o_time, &op.o_tincr );
op.o_do_not_cache = 1;
op.o_is_auth_check = 1;
op.o_req_dn = op.o_req_ndn;
op.ors_scope = LDAP_SCOPE_BASE;
op.ors_deref = LDAP_DEREF_NEVER;
op.ors_tlimit = SLAP_NO_LIMIT;
op.ors_slimit = 1;
op.ors_filter = &generic_filter;
op.ors_filterstr = generic_filterstr;
op.ors_attrs = NULL;
op.o_bd->be_search( &op, &rs );
}
}
slap_callback cb2 = { NULL, sasl_authdata_lookup, NULL, NULL };
char *save_ndn_bv_val = op.o_req_ndn.bv_val;
ber_len_t save_ndn_bv_len = op.o_req_ndn.bv_len;
asprintf(&(op.o_req_ndn.bv_val), "authGUID=%s,cn=users,cn=authdata", sl.uuidstr);
op.o_req_ndn.bv_len = strlen(op.o_req_ndn.bv_val);
cb2.sc_private = &sl;
op.o_callback = &cb2;
char *save_bv_val = op.o_conn->c_listener->sl_url.bv_val;
ber_len_t save_bv_len = op.o_conn->c_listener->sl_url.bv_len;
op.o_conn->c_listener->sl_url.bv_val = strdup("ldapi://%2Fvar%2Frun%2Fldapi");
op.o_conn->c_listener->sl_url.bv_len = strlen("ldapi://%2Fvar%2Frun%2Fldapi");
op.o_hdr = conn->c_sasl_bindop->o_hdr;
op.o_tag = LDAP_REQ_SEARCH;
op.o_bd = select_backend( &op.o_req_ndn, 1 );
if ( op.o_bd ) {
if ( op.o_bd->be_search ) {
SlapReply rs = {REP_RESULT};
slap_op_time( &op.o_time, &op.o_tincr );
op.o_callback->sc_next = NULL;
op.o_bd->be_search( &op, &rs );
}
}
free(op.o_req_ndn.bv_val);
op.o_req_ndn.bv_val = save_ndn_bv_val;
op.o_req_ndn.bv_len = save_ndn_bv_len;
free(op.o_conn->c_listener->sl_url.bv_val);
op.o_conn->c_listener->sl_url.bv_val = save_bv_val;
op.o_conn->c_listener->sl_url.bv_len = save_bv_len;
}
static sasl_auxprop_plug_t pws_auxprop_plugin = {
0,
0,
NULL,
NULL,
pws_auxprop_lookup,
"appleldap",
NULL
};
static int
pws_auxprop_init(
const sasl_utils_t *utils,
int max_version,
int *out_version,
sasl_auxprop_plug_t **plug,
const char *plugname)
{
Debug( LDAP_DEBUG_TRACE, "%s: entered", __PRETTY_FUNCTION__, 0, 0 );
if ( !out_version || !plug ) return SASL_BADPARAM;
if ( max_version < SASL_AUXPROP_PLUG_VERSION ) return SASL_BADVERS;
*out_version = SASL_AUXPROP_PLUG_VERSION;
*plug = &pws_auxprop_plugin;
return SASL_OK;
}
#endif
static int
slap_sasl_canonicalize(
sasl_conn_t *sconn,
void *context,
const char *in,
unsigned inlen,
unsigned flags,
const char *user_realm,
char *out,
unsigned out_max,
unsigned *out_len)
{
Connection *conn = (Connection *)context;
struct propctx *props = sasl_auxprop_getctx( sconn );
struct propval auxvals[ SLAP_SASL_PROP_COUNT ] = { { 0 } };
struct berval dn;
int rc, which;
const char *names[2];
struct berval bvin;
*out_len = 0;
Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
conn ? (long) conn->c_connid : -1L,
(flags & SASL_CU_AUTHID) ? "authcid" : "authzid",
in ? in : "<empty>");
if (user_realm == NULL) {
sasl_krb5_authdata *pdata = NULL;
int prop_rc = sasl_getprop(sconn, SASL_KRB5_AUTHDATA, (SASL_CONST void **)&pdata);
if (pdata && pdata->structID == SASL_KRB5_AUTH_DATA_SIG && pdata->realm) {
user_realm = pdata->realm;
}
Debug(LDAP_DEBUG_TRACE, "slap_sasl_canonicalize [%d]sasl_getprop REALM(%s)\n", prop_rc, user_realm, 0);
}
if ( inlen > out_max )
inlen = out_max-1;
if ( !conn->c_sasl_bindop ||
conn->c_sasl_bindop->orb_method != LDAP_AUTH_SASL ) goto done;
prop_getnames( props, slap_propnames, auxvals );
if ( !auxvals[0].name )
prop_request( props, slap_propnames );
if ( flags & SASL_CU_AUTHID )
which = SLAP_SASL_PROP_AUTHCLEN;
else
which = SLAP_SASL_PROP_AUTHZLEN;
if ( !auxvals[SLAP_SASL_PROP_CONN].values ) {
names[0] = slap_propnames[SLAP_SASL_PROP_CONN];
names[1] = NULL;
prop_set( props, names[0], (char *)&conn, sizeof( conn ) );
}
if ( auxvals[which].values )
goto done;
if ( flags == SASL_CU_AUTHID && !auxvals[SLAP_SASL_PROP_AUTHZ].values ) {
conn->c_sasl_dn.bv_val = (char *) in;
conn->c_sasl_dn.bv_len = 0;
} else if ( flags == SASL_CU_AUTHZID && conn->c_sasl_dn.bv_val ) {
rc = strcmp( in, conn->c_sasl_dn.bv_val );
conn->c_sasl_dn.bv_val = NULL;
if ( !rc ) goto done;
}
bvin.bv_val = (char *)in;
bvin.bv_len = inlen;
rc = slap_sasl_getdn( conn, NULL, &bvin, (char *)user_realm, &dn,
(flags & SASL_CU_AUTHID) ? SLAP_GETDN_AUTHCID : SLAP_GETDN_AUTHZID );
if ( rc != LDAP_SUCCESS ) {
sasl_seterror( sconn, 0, ldap_err2string( rc ) );
return SASL_NOAUTHZ;
}
names[0] = slap_propnames[which];
names[1] = NULL;
prop_set( props, names[0], (char *)&dn.bv_len, sizeof( dn.bv_len ) );
which++;
names[0] = slap_propnames[which];
prop_set( props, names[0], dn.bv_val, dn.bv_len );
Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
conn ? (long) conn->c_connid : -1L, names[0]+1,
dn.bv_val ? dn.bv_val : "<EMPTY>" );
if ( conn && conn->c_sasl_bindop )
conn->c_sasl_bindop->o_tmpfree( dn.bv_val, conn->c_sasl_bindop->o_tmpmemctx );
done:
AC_MEMCPY( out, in, inlen );
out[inlen] = '\0';
*out_len = inlen;
return SASL_OK;
}
static int
slap_sasl_authorize(
sasl_conn_t *sconn,
void *context,
char *requested_user,
unsigned rlen,
char *auth_identity,
unsigned alen,
const char *def_realm,
unsigned urlen,
struct propctx *props)
{
Connection *conn = (Connection *)context;
struct propval auxvals[ SLAP_SASL_PROP_COUNT ] = { { 0 } };
struct berval authcDN, authzDN = BER_BVNULL;
int rc;
if ( !conn->c_sasl_bindop ||
conn->c_sasl_bindop->orb_method != LDAP_AUTH_SASL ) return SASL_OK;
Debug( LDAP_DEBUG_ARGS, "SASL proxy authorize [conn=%ld]: "
"authcid=\"%s\" authzid=\"%s\"\n",
conn ? (long) conn->c_connid : -1L, auth_identity, requested_user );
if ( conn->c_sasl_dn.bv_val ) {
BER_BVZERO( &conn->c_sasl_dn );
}
prop_getnames( props, slap_propnames+1, auxvals );
if ( !auxvals[0].values ) {
sasl_seterror( sconn, 0, "invalid authcid" );
return SASL_NOAUTHZ;
}
AC_MEMCPY( &authcDN.bv_len, auxvals[0].values[0], sizeof(authcDN.bv_len) );
authcDN.bv_val = auxvals[1].values ? (char *)auxvals[1].values[0] : NULL;
conn->c_sasl_dn = authcDN;
if ( !auxvals[2].name || !auxvals[2].values ) {
goto ok;
}
AC_MEMCPY( &authzDN.bv_len, auxvals[2].values[0], sizeof(authzDN.bv_len) );
authzDN.bv_val = auxvals[3].values ? (char *)auxvals[3].values[0] : NULL;
rc = slap_sasl_authorized( conn->c_sasl_bindop, &authcDN, &authzDN );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "SASL Proxy Authorize [conn=%ld]: "
"proxy authorization disallowed (%d)\n",
conn ? (long) conn->c_connid : -1L, rc, 0 );
sasl_seterror( sconn, 0, "not authorized" );
return SASL_NOAUTHZ;
}
ber_dupbv( &conn->c_sasl_authz_dn, &authzDN );
ok:
if (conn->c_sasl_bindop) {
Statslog( LDAP_DEBUG_STATS,
"%s BIND authcid=\"%s\" authzid=\"%s\"\n",
conn->c_sasl_bindop->o_log_prefix,
auth_identity, requested_user, 0, 0 );
}
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
" proxy authorization allowed authzDN=\"%s\"\n",
conn ? (long) conn->c_connid : -1L,
authzDN.bv_val ? authzDN.bv_val : "", 0 );
return SASL_OK;
}
static int
slap_sasl_err2ldap( int saslerr )
{
int rc;
switch (saslerr) {
case SASL_OK:
rc = LDAP_SUCCESS;
break;
case SASL_CONTINUE:
rc = LDAP_SASL_BIND_IN_PROGRESS;
break;
case SASL_FAIL:
case SASL_NOMEM:
rc = LDAP_OTHER;
break;
case SASL_NOMECH:
rc = LDAP_AUTH_METHOD_NOT_SUPPORTED;
break;
case SASL_BADAUTH:
case SASL_NOUSER:
case SASL_TRANS:
case SASL_EXPIRED:
rc = LDAP_INVALID_CREDENTIALS;
break;
case SASL_NOAUTHZ:
rc = LDAP_INSUFFICIENT_ACCESS;
break;
case SASL_TOOWEAK:
case SASL_ENCRYPT:
rc = LDAP_INAPPROPRIATE_AUTH;
break;
case SASL_UNAVAIL:
case SASL_TRYAGAIN:
rc = LDAP_UNAVAILABLE;
break;
case SASL_DISABLED:
rc = LDAP_UNWILLING_TO_PERFORM;
break;
default:
rc = LDAP_OTHER;
break;
}
return rc;
}
#ifdef SLAPD_SPASSWD
static struct berval sasl_pwscheme = BER_BVC("{SASL}");
static int chk_sasl(
const struct berval *sc,
const struct berval * passwd,
const struct berval * cred,
const char **text )
{
unsigned int i;
int rtn;
void *ctx, *sconn = NULL;
for( i=0; i<cred->bv_len; i++) {
if(cred->bv_val[i] == '\0') {
return LUTIL_PASSWD_ERR;
}
}
if( cred->bv_val[i] != '\0' ) {
return LUTIL_PASSWD_ERR;
}
for( i=0; i<passwd->bv_len; i++) {
if(passwd->bv_val[i] == '\0') {
return LUTIL_PASSWD_ERR;
}
}
if( passwd->bv_val[i] != '\0' ) {
return LUTIL_PASSWD_ERR;
}
rtn = LUTIL_PASSWD_ERR;
ctx = ldap_pvt_thread_pool_context();
ldap_pvt_thread_pool_getkey( ctx, (void *)slap_sasl_bind, &sconn, NULL );
if( sconn != NULL ) {
int sc;
sc = sasl_checkpass( sconn,
passwd->bv_val, passwd->bv_len,
cred->bv_val, cred->bv_len );
rtn = ( sc != SASL_OK ) ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK;
}
return rtn;
}
#endif
#endif
#ifdef ENABLE_REWRITE
typedef struct slapd_map_data {
struct berval base;
struct berval filter;
AttributeName attrs[2];
int scope;
} slapd_map_data;
static void *
slapd_rw_config( const char *fname, int lineno, int argc, char **argv )
{
slapd_map_data *ret = NULL;
LDAPURLDesc *lud = NULL;
char *uri;
AttributeDescription *ad = NULL;
int rc, flen = 0;
struct berval dn, ndn;
if ( argc != 1 ) {
Debug( LDAP_DEBUG_ANY,
"[%s:%d] slapd map needs URI\n",
fname, lineno, 0 );
return NULL;
}
uri = argv[0];
if ( strncasecmp( uri, "uri=", STRLENOF( "uri=" ) ) == 0 ) {
uri += STRLENOF( "uri=" );
}
if ( ldap_url_parse( uri, &lud ) != LDAP_URL_SUCCESS ) {
Debug( LDAP_DEBUG_ANY,
"[%s:%d] illegal URI '%s'\n",
fname, lineno, uri );
return NULL;
}
if ( strcasecmp( lud->lud_scheme, "ldap" )) {
Debug( LDAP_DEBUG_ANY,
"[%s:%d] illegal URI scheme '%s'\n",
fname, lineno, lud->lud_scheme );
goto done;
}
if (( lud->lud_host && lud->lud_host[0] ) || lud->lud_exts
|| !lud->lud_dn ) {
Debug( LDAP_DEBUG_ANY,
"[%s:%d] illegal URI '%s'\n",
fname, lineno, uri );
goto done;
}
if ( lud->lud_attrs ) {
if ( lud->lud_attrs[1] ) {
Debug( LDAP_DEBUG_ANY,
"[%s:%d] only one attribute allowed in URI\n",
fname, lineno, 0 );
goto done;
}
if ( strcasecmp( lud->lud_attrs[0], "dn" ) &&
strcasecmp( lud->lud_attrs[0], "entryDN" )) {
const char *text;
rc = slap_str2ad( lud->lud_attrs[0], &ad, &text );
if ( rc )
goto done;
}
}
ber_str2bv( lud->lud_dn, 0, 0, &dn );
if ( dnNormalize( 0, NULL, NULL, &dn, &ndn, NULL ))
goto done;
if ( lud->lud_filter ) {
flen = strlen( lud->lud_filter ) + 1;
}
ret = ch_malloc( sizeof( slapd_map_data ) + flen );
ret->base = ndn;
if ( flen ) {
ret->filter.bv_val = (char *)(ret+1);
ret->filter.bv_len = flen - 1;
strcpy( ret->filter.bv_val, lud->lud_filter );
} else {
BER_BVZERO( &ret->filter );
}
ret->scope = lud->lud_scope;
if ( ad ) {
ret->attrs[0].an_name = ad->ad_cname;
} else {
BER_BVZERO( &ret->attrs[0].an_name );
}
ret->attrs[0].an_desc = ad;
BER_BVZERO( &ret->attrs[1].an_name );
done:
ldap_free_urldesc( lud );
return ret;
}
struct slapd_rw_info {
slapd_map_data *si_data;
struct berval si_val;
};
static int
slapd_rw_cb( Operation *op, SlapReply *rs )
{
if ( rs->sr_type == REP_SEARCH ) {
struct slapd_rw_info *si = op->o_callback->sc_private;
if ( si->si_data->attrs[0].an_desc ) {
Attribute *a;
a = attr_find( rs->sr_entry->e_attrs,
si->si_data->attrs[0].an_desc );
if ( a ) {
ber_dupbv( &si->si_val, a->a_vals );
}
} else {
ber_dupbv( &si->si_val, &rs->sr_entry->e_name );
}
}
return LDAP_SUCCESS;
}
static int
slapd_rw_apply( void *private, const char *filter, struct berval *val )
{
slapd_map_data *sl = private;
slap_callback cb = { NULL };
Connection conn = {0};
OperationBuffer opbuf;
Operation *op;
void *thrctx;
SlapReply rs = {REP_RESULT};
struct slapd_rw_info si;
char *ptr;
int rc;
thrctx = ldap_pvt_thread_pool_context();
connection_fake_init2( &conn, &opbuf, thrctx, 0 );
op = &opbuf.ob_op;
op->o_tag = LDAP_REQ_SEARCH;
op->o_req_dn = op->o_req_ndn = sl->base;
op->o_bd = select_backend( &op->o_req_ndn, 1 );
if ( !op->o_bd ) {
return REWRITE_ERR;
}
si.si_data = sl;
BER_BVZERO( &si.si_val );
op->ors_scope = sl->scope;
op->ors_deref = LDAP_DEREF_NEVER;
op->ors_slimit = 1;
op->ors_tlimit = SLAP_NO_LIMIT;
if ( sl->attrs[0].an_desc ) {
op->ors_attrs = sl->attrs;
} else {
op->ors_attrs = slap_anlist_no_attrs;
}
if ( filter ) {
rc = strlen( filter );
} else {
rc = 0;
}
rc += sl->filter.bv_len;
ptr = op->ors_filterstr.bv_val = op->o_tmpalloc( rc + 1, op->o_tmpmemctx );
if ( sl->filter.bv_len ) {
ptr = lutil_strcopy( ptr, sl->filter.bv_val );
} else {
*ptr = '\0';
}
if ( filter ) {
strcpy( ptr, filter );
}
op->ors_filter = str2filter_x( op, op->ors_filterstr.bv_val );
if ( !op->ors_filter ) {
op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
return REWRITE_ERR;
}
op->ors_attrsonly = 0;
op->o_dn = op->o_bd->be_rootdn;
op->o_ndn = op->o_bd->be_rootndn;
op->o_do_not_cache = 1;
cb.sc_response = slapd_rw_cb;
cb.sc_private = &si;
op->o_callback = &cb;
rc = op->o_bd->be_search( op, &rs );
if ( rc == LDAP_SUCCESS && !BER_BVISNULL( &si.si_val )) {
*val = si.si_val;
rc = REWRITE_SUCCESS;
} else {
if ( !BER_BVISNULL( &si.si_val )) {
ch_free( si.si_val.bv_val );
}
rc = REWRITE_ERR;
}
filter_free_x( op, op->ors_filter, 1 );
op->o_tmpfree( op->ors_filterstr.bv_val, op->o_tmpmemctx );
return rc;
}
static int
slapd_rw_destroy( void *private )
{
slapd_map_data *md = private;
assert( private != NULL );
ch_free( md->base.bv_val );
ch_free( md->filter.bv_val );
ch_free( md );
return 0;
}
static const rewrite_mapper slapd_mapper = {
"slapd",
slapd_rw_config,
slapd_rw_apply,
slapd_rw_destroy
};
#endif
int slap_sasl_init( void )
{
#ifdef HAVE_CYRUS_SASL
int rc;
static sasl_callback_t server_callbacks[] = {
{ SASL_CB_LOG, &slap_sasl_log, NULL },
{ SASL_CB_GETOPT, &slap_sasl_getopt, NULL },
{ SASL_CB_LIST_END, NULL, NULL }
};
#endif
#ifdef ENABLE_REWRITE
rewrite_mapper_register( &slapd_mapper );
#endif
#ifdef HAVE_CYRUS_SASL
#ifdef HAVE_SASL_VERSION
#define VSTR0(maj, min, pat) #maj "." #min "." #pat
#define VSTR(maj, min, pat) VSTR0(maj, min, pat)
#define SASL_VERSION_STRING VSTR(SASL_VERSION_MAJOR, SASL_VERSION_MINOR, \
SASL_VERSION_STEP)
sasl_version( NULL, &rc );
if ( ((rc >> 16) != ((SASL_VERSION_MAJOR << 8)|SASL_VERSION_MINOR)) ||
(rc & 0xffff) < SASL_VERSION_STEP)
{
char version[sizeof("xxx.xxx.xxxxx")];
sprintf( version, "%u.%d.%d", (unsigned)rc >> 24, (rc >> 16) & 0xff,
rc & 0xffff );
Debug( LDAP_DEBUG_ANY, "slap_sasl_init: SASL library version mismatch:"
" expected %s, got %s\n",
SASL_VERSION_STRING, version, 0 );
return -1;
}
#endif
sasl_set_mutex(
ldap_pvt_sasl_mutex_new,
ldap_pvt_sasl_mutex_lock,
ldap_pvt_sasl_mutex_unlock,
ldap_pvt_sasl_mutex_dispose );
generic_filter.f_desc = slap_schema.si_ad_objectClass;
rc = sasl_auxprop_add_plugin( "slapd", slap_auxprop_init );
if( rc != SASL_OK ) {
Debug( LDAP_DEBUG_ANY, "slap_sasl_init: auxprop add plugin failed\n",
0, 0, 0 );
return -1;
}
#ifdef __APPLE__
rc = sasl_auxprop_add_plugin( "appleldap", pws_auxprop_init );
if( rc != SASL_OK ) {
Debug( LDAP_DEBUG_ANY, "slap_sasl_init: auxprop add plugin failed\n",
0, 0, 0 );
return -1;
}
setenv( "SASL_PATH", "/usr/lib/sasl2/openldap/", 0 );
#endif
rc = sasl_server_init( server_callbacks, "slapd" );
if( rc != SASL_OK ) {
Debug( LDAP_DEBUG_ANY, "slap_sasl_init: server init failed\n",
0, 0, 0 );
return -1;
} else {
rc = sasl_client_init(NULL);
if( rc != SASL_OK ) {
Debug( LDAP_DEBUG_ANY, "slap_sasl_init: client init failed\n",
0, 0, 0 );
return -1;
}
}
#ifdef SLAPD_SPASSWD
lutil_passwd_add( &sasl_pwscheme, chk_sasl, NULL );
#endif
Debug( LDAP_DEBUG_TRACE, "slap_sasl_init: initialized!\n",
0, 0, 0 );
memset( &sasl_secprops, '\0', sizeof(sasl_secprops) );
sasl_secprops.max_ssf = INT_MAX;
sasl_secprops.maxbufsize = 65536;
sasl_secprops.security_flags = SASL_SEC_NOPLAINTEXT|SASL_SEC_NOANONYMOUS;
#endif
return 0;
}
int slap_sasl_destroy( void )
{
#ifdef HAVE_CYRUS_SASL
sasl_done();
#endif
free( sasl_host );
sasl_host = NULL;
return 0;
}
static char *
slap_sasl_peer2ipport( struct berval *peer )
{
int isv6 = 0;
char *ipport, *p,
*addr = &peer->bv_val[ STRLENOF( "IP=" ) ];
ber_len_t plen = peer->bv_len - STRLENOF( "IP=" );
if ( addr[0] == '[' ) {
isv6 = 1;
plen--;
}
ipport = ch_strdup( &addr[isv6] );
p = strrchr( ipport, ':' );
if ( p != NULL ) {
*p = ';';
if ( isv6 ) {
assert( p[-1] == ']' );
AC_MEMCPY( &p[-1], p, plen - ( p - ipport ) + 1 );
}
} else if ( isv6 ) {
plen--;
assert( addr[plen] == ']' );
addr[plen] = '\0';
}
return ipport;
}
int slap_sasl_open( Connection *conn, int reopen )
{
int sc = LDAP_SUCCESS;
#ifdef HAVE_CYRUS_SASL
int cb;
sasl_conn_t *ctx = NULL;
sasl_callback_t *session_callbacks;
char *ipremoteport = NULL, *iplocalport = NULL;
assert( conn->c_sasl_authctx == NULL );
if ( !reopen ) {
assert( conn->c_sasl_extra == NULL );
session_callbacks =
SLAP_CALLOC( 5, sizeof(sasl_callback_t));
if( session_callbacks == NULL ) {
Debug( LDAP_DEBUG_ANY,
"slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
return -1;
}
conn->c_sasl_extra = session_callbacks;
session_callbacks[cb=0].id = SASL_CB_LOG;
session_callbacks[cb].proc = &slap_sasl_log;
session_callbacks[cb++].context = conn;
session_callbacks[cb].id = SASL_CB_PROXY_POLICY;
session_callbacks[cb].proc = &slap_sasl_authorize;
session_callbacks[cb++].context = conn;
session_callbacks[cb].id = SASL_CB_CANON_USER;
session_callbacks[cb].proc = &slap_sasl_canonicalize;
session_callbacks[cb++].context = conn;
session_callbacks[cb].id = SASL_CB_LIST_END;
session_callbacks[cb].proc = NULL;
session_callbacks[cb++].context = NULL;
} else {
session_callbacks = conn->c_sasl_extra;
}
conn->c_sasl_layers = 0;
if ( conn->c_sock_name.bv_len != 0 &&
strncmp( conn->c_sock_name.bv_val, "IP=", STRLENOF( "IP=" ) ) == 0 )
{
iplocalport = slap_sasl_peer2ipport( &conn->c_sock_name );
}
if ( conn->c_peer_name.bv_len != 0 &&
strncmp( conn->c_peer_name.bv_val, "IP=", STRLENOF( "IP=" ) ) == 0 )
{
ipremoteport = slap_sasl_peer2ipport( &conn->c_peer_name );
}
sc = sasl_server_new( "ldap", sasl_host, global_realm,
iplocalport, ipremoteport, session_callbacks, SASL_SUCCESS_DATA, &ctx );
if ( iplocalport != NULL ) {
ch_free( iplocalport );
}
if ( ipremoteport != NULL ) {
ch_free( ipremoteport );
}
if( sc != SASL_OK ) {
Debug( LDAP_DEBUG_ANY, "sasl_server_new failed: %d\n",
sc, 0, 0 );
return -1;
}
conn->c_sasl_authctx = ctx;
if( sc == SASL_OK ) {
sc = sasl_setprop( ctx,
SASL_SEC_PROPS, &sasl_secprops );
if( sc != SASL_OK ) {
Debug( LDAP_DEBUG_ANY, "sasl_setprop failed: %d\n",
sc, 0, 0 );
slap_sasl_close( conn );
return -1;
}
}
sc = slap_sasl_err2ldap( sc );
#elif defined(SLAP_BUILTIN_SASL)
SASL_CTX *ctx = (SASL_CTX *) SLAP_MALLOC(sizeof(SASL_CTX));
if( ctx == NULL ) return -1;
ctx->sc_external_ssf = 0;
BER_BVZERO( &ctx->sc_external_id );
conn->c_sasl_authctx = ctx;
#endif
return sc;
}
int slap_sasl_external(
Connection *conn,
slap_ssf_t ssf,
struct berval *auth_id )
{
#ifdef HAVE_CYRUS_SASL
int sc;
sasl_conn_t *ctx = conn->c_sasl_authctx;
sasl_ssf_t sasl_ssf = ssf;
if ( ctx == NULL ) {
return LDAP_UNAVAILABLE;
}
sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL, &sasl_ssf );
if ( sc != SASL_OK ) {
return LDAP_OTHER;
}
sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL,
auth_id ? auth_id->bv_val : NULL );
if ( sc != SASL_OK ) {
return LDAP_OTHER;
}
#elif defined(SLAP_BUILTIN_SASL)
SASL_CTX *ctx = conn->c_sasl_authctx;
if ( ctx == NULL ) return LDAP_UNAVAILABLE;
ctx->sc_external_ssf = ssf;
if( auth_id ) {
ctx->sc_external_id = *auth_id;
BER_BVZERO( auth_id );
} else {
BER_BVZERO( &ctx->sc_external_id );
}
#endif
return LDAP_SUCCESS;
}
int slap_sasl_reset( Connection *conn )
{
return LDAP_SUCCESS;
}
char ** slap_sasl_mechs( Connection *conn )
{
char **mechs = NULL;
#ifdef HAVE_CYRUS_SASL
sasl_conn_t *ctx = conn->c_sasl_authctx;
if( ctx == NULL ) ctx = conn->c_sasl_sockctx;
if( ctx != NULL ) {
int sc;
SASL_CONST char *mechstr;
sc = sasl_listmech( ctx,
NULL, NULL, ",", NULL,
&mechstr, NULL, NULL );
if( sc != SASL_OK ) {
Debug( LDAP_DEBUG_ANY, "slap_sasl_listmech failed: %d\n",
sc, 0, 0 );
return NULL;
}
mechs = ldap_str2charray( mechstr, "," );
}
#elif defined(SLAP_BUILTIN_SASL)
SASL_CTX *ctx = conn->c_sasl_authctx;
if ( ctx != NULL && ctx->sc_external_id.bv_val ) {
mechs = ldap_str2charray( "EXTERNAL", "," );
}
#endif
return mechs;
}
int slap_sasl_close( Connection *conn )
{
#ifdef HAVE_CYRUS_SASL
sasl_conn_t *ctx = conn->c_sasl_authctx;
if( ctx != NULL ) {
sasl_dispose( &ctx );
}
if ( conn->c_sasl_sockctx &&
conn->c_sasl_authctx != conn->c_sasl_sockctx )
{
ctx = conn->c_sasl_sockctx;
sasl_dispose( &ctx );
}
conn->c_sasl_authctx = NULL;
conn->c_sasl_sockctx = NULL;
conn->c_sasl_done = 0;
free( conn->c_sasl_extra );
conn->c_sasl_extra = NULL;
#elif defined(SLAP_BUILTIN_SASL)
SASL_CTX *ctx = conn->c_sasl_authctx;
if( ctx ) {
if( ctx->sc_external_id.bv_val ) {
free( ctx->sc_external_id.bv_val );
BER_BVZERO( &ctx->sc_external_id );
}
free( ctx );
conn->c_sasl_authctx = NULL;
}
#endif
return LDAP_SUCCESS;
}
int slap_sasl_bind( Operation *op, SlapReply *rs )
{
#ifdef HAVE_CYRUS_SASL
sasl_conn_t *ctx = op->o_conn->c_sasl_authctx;
struct berval response;
unsigned reslen = 0;
int sc;
Debug(LDAP_DEBUG_ARGS,
"==> sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
op->o_req_dn.bv_len ? op->o_req_dn.bv_val : "",
op->o_conn->c_sasl_bind_in_progress ? "<continuing>" :
op->o_conn->c_sasl_bind_mech.bv_val,
op->orb_cred.bv_len );
if( ctx == NULL ) {
send_ldap_error( op, rs, LDAP_UNAVAILABLE,
"SASL unavailable on this session" );
return rs->sr_err;
}
#define START( ctx, mech, cred, clen, resp, rlen, err ) \
sasl_server_start( ctx, mech, cred, clen, resp, rlen )
#define STEP( ctx, cred, clen, resp, rlen, err ) \
sasl_server_step( ctx, cred, clen, resp, rlen )
if ( !op->o_conn->c_sasl_bind_in_progress ) {
if ( op->o_conn->c_sasl_done ) {
sasl_ssf_t ssf = 0;
const char *authid = NULL;
sasl_getprop( ctx, SASL_SSF_EXTERNAL, (void *)&ssf );
sasl_getprop( ctx, SASL_AUTH_EXTERNAL, (void *)&authid );
if ( authid ) authid = ch_strdup( authid );
if ( ctx != op->o_conn->c_sasl_sockctx ) {
sasl_dispose( &ctx );
}
op->o_conn->c_sasl_authctx = NULL;
slap_sasl_open( op->o_conn, 1 );
ctx = op->o_conn->c_sasl_authctx;
if ( authid ) {
sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid );
ch_free( (char *)authid );
}
}
sc = START( ctx,
op->o_conn->c_sasl_bind_mech.bv_val,
op->orb_cred.bv_val, op->orb_cred.bv_len,
(SASL_CONST char **)&response.bv_val, &reslen, &rs->sr_text );
} else {
sc = STEP( ctx,
op->orb_cred.bv_val, op->orb_cred.bv_len,
(SASL_CONST char **)&response.bv_val, &reslen, &rs->sr_text );
}
response.bv_len = reslen;
if ( sc == SASL_OK ) {
sasl_ssf_t *ssf = NULL;
ber_dupbv_x( &op->orb_edn, &op->o_conn->c_sasl_dn, op->o_tmpmemctx );
BER_BVZERO( &op->o_conn->c_sasl_dn );
op->o_conn->c_sasl_done = 1;
rs->sr_err = LDAP_SUCCESS;
(void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf );
op->orb_ssf = ssf ? *ssf : 0;
if ( bvmatch( &gssapi_bv, &op->o_conn->c_sasl_bind_mech )) {
sasl_krb5_authdata_pac(op);
}
ctx = NULL;
if( op->orb_ssf ) {
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
op->o_conn->c_sasl_layers++;
if ( op->o_conn->c_sasl_sockctx ) {
ctx = op->o_conn->c_sasl_sockctx;
op->o_conn->c_sasl_sockctx = NULL;
} else {
op->o_conn->c_sasl_sockctx = op->o_conn->c_sasl_authctx;
}
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
}
rs->sr_sasldata = (response.bv_len ? &response : NULL);
send_ldap_sasl( op, rs );
if ( ctx ) {
ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
ldap_pvt_sasl_remove( op->o_conn->c_sb );
op->o_conn->c_sasl_sockctx = op->o_conn->c_sasl_authctx;
ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );
sasl_dispose( &ctx );
}
} else if ( sc == SASL_CONTINUE ) {
rs->sr_err = LDAP_SASL_BIND_IN_PROGRESS,
rs->sr_text = sasl_errdetail( ctx );
rs->sr_sasldata = &response;
send_ldap_sasl( op, rs );
} else {
BER_BVZERO( &op->o_conn->c_sasl_dn );
rs->sr_text = sasl_errdetail( ctx );
rs->sr_err = slap_sasl_err2ldap( sc ),
send_ldap_result( op, rs );
}
Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0);
#elif defined(SLAP_BUILTIN_SASL)
SASL_CTX *ctx = op->o_conn->c_sasl_authctx;
if ( ctx == NULL ) {
send_ldap_error( op, rs, LDAP_OTHER,
"Internal SASL Error" );
} else if ( bvmatch( &ext_bv, &op->o_conn->c_sasl_bind_mech ) ) {
if( op->orb_cred.bv_len ) {
rs->sr_text = "proxy authorization not support";
rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
send_ldap_result( op, rs );
} else {
op->orb_edn = ctx->sc_external_id;
rs->sr_err = LDAP_SUCCESS;
rs->sr_sasldata = NULL;
send_ldap_sasl( op, rs );
}
} else {
send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
"requested SASL mechanism not supported" );
}
#else
send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
"SASL not supported" );
#endif
return rs->sr_err;
}
char* slap_sasl_secprops( const char *in )
{
#ifdef HAVE_CYRUS_SASL
int rc = ldap_pvt_sasl_secprops( in, &sasl_secprops );
return rc == LDAP_SUCCESS ? NULL : "Invalid security properties";
#else
return "SASL not supported";
#endif
}
void slap_sasl_secprops_unparse( struct berval *bv )
{
#ifdef HAVE_CYRUS_SASL
ldap_pvt_sasl_secprops_unparse( &sasl_secprops, bv );
#endif
}
#ifdef HAVE_CYRUS_SASL
int
slap_sasl_setpass( Operation *op, SlapReply *rs )
{
struct berval id = BER_BVNULL;
struct berval new = BER_BVNULL;
struct berval old = BER_BVNULL;
assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) == 0 );
rs->sr_err = sasl_getprop( op->o_conn->c_sasl_authctx, SASL_USERNAME,
(SASL_CONST void **)(char *)&id.bv_val );
if( rs->sr_err != SASL_OK ) {
rs->sr_text = "unable to retrieve SASL username";
rs->sr_err = LDAP_OTHER;
goto done;
}
Debug( LDAP_DEBUG_ARGS, "==> slap_sasl_setpass: \"%s\"\n",
id.bv_val ? id.bv_val : "", 0, 0 );
rs->sr_err = slap_passwd_parse( op->ore_reqdata,
NULL, &old, &new, &rs->sr_text );
if( rs->sr_err != LDAP_SUCCESS ) {
goto done;
}
if( new.bv_len == 0 ) {
slap_passwd_generate(&new);
if( new.bv_len == 0 ) {
rs->sr_text = "password generation failed.";
rs->sr_err = LDAP_OTHER;
goto done;
}
rs->sr_rspdata = slap_passwd_return( &new );
}
rs->sr_err = sasl_setpass( op->o_conn->c_sasl_authctx, id.bv_val,
new.bv_val, new.bv_len, old.bv_val, old.bv_len, 0 );
if( rs->sr_err != SASL_OK ) {
rs->sr_text = sasl_errdetail( op->o_conn->c_sasl_authctx );
}
switch(rs->sr_err) {
case SASL_OK:
rs->sr_err = LDAP_SUCCESS;
break;
case SASL_NOCHANGE:
case SASL_NOMECH:
case SASL_DISABLED:
case SASL_PWLOCK:
case SASL_FAIL:
case SASL_BADPARAM:
default:
rs->sr_err = LDAP_OTHER;
}
done:
return rs->sr_err;
}
#endif
#define SET_NONE 0
#define SET_DN 1
#define SET_U 2
int slap_sasl_getdn( Connection *conn, Operation *op, struct berval *id,
char *user_realm, struct berval *dn, int flags )
{
int rc, is_dn = SET_NONE, do_norm = 1;
struct berval dn2, *mech;
assert( conn != NULL );
assert( id != NULL );
Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: conn %lu id=%s [len=%lu]\n",
conn->c_connid,
BER_BVISNULL( id ) ? "NULL" : ( BER_BVISEMPTY( id ) ? "<empty>" : id->bv_val ),
BER_BVISNULL( id ) ? 0 : ( BER_BVISEMPTY( id ) ? 0 :
(unsigned long) id->bv_len ) );
if ( !op ) {
op = conn->c_sasl_bindop;
}
assert( op != NULL );
BER_BVZERO( dn );
if ( !BER_BVISNULL( id ) ) {
static struct berval bv_anonymous = BER_BVC( "anonymous" );
if ( ber_bvstrcasecmp( id, &bv_anonymous ) == 0 ) {
return( LDAP_SUCCESS );
}
} else {
BER_BVSTR( id, "" );
}
if ( !BER_BVISEMPTY( &conn->c_sasl_bind_mech ) ) {
mech = &conn->c_sasl_bind_mech;
} else {
mech = &conn->c_authmech;
}
if( flags & SLAP_GETDN_AUTHCID ) {
if( bvmatch( mech, &ext_bv )) {
assert( !BER_BVISNULL( id ) );
do_norm = 0;
is_dn = SET_DN;
ber_dupbv_x( dn, id, op->o_tmpmemctx );
} else {
is_dn = SET_U;
*dn = *id;
}
}
if( is_dn == SET_NONE ) {
if( !strncasecmp( id->bv_val, "u:", STRLENOF( "u:" ) ) ) {
is_dn = SET_U;
dn->bv_val = id->bv_val + STRLENOF( "u:" );
dn->bv_len = id->bv_len - STRLENOF( "u:" );
} else if ( !strncasecmp( id->bv_val, "dn:", STRLENOF( "dn:" ) ) ) {
is_dn = SET_DN;
dn->bv_val = id->bv_val + STRLENOF( "dn:" );
dn->bv_len = id->bv_len - STRLENOF( "dn:" );
}
}
if( is_dn == SET_NONE ) {
BER_BVZERO( dn );
return( LDAP_INAPPROPRIATE_AUTH );
}
if( is_dn == SET_U ) {
LDAPRDN DN[ 5 ];
LDAPAVA *RDNs[ 4 ][ 2 ];
LDAPAVA AVAs[ 4 ];
int irdn;
irdn = 0;
DN[ irdn ] = RDNs[ irdn ];
RDNs[ irdn ][ 0 ] = &AVAs[ irdn ];
AVAs[ irdn ].la_attr = slap_schema.si_ad_uid->ad_cname;
AVAs[ irdn ].la_value = *dn;
AVAs[ irdn ].la_flags = LDAP_AVA_NULL;
AVAs[ irdn ].la_private = NULL;
RDNs[ irdn ][ 1 ] = NULL;
if ( user_realm && *user_realm ) {
irdn++;
DN[ irdn ] = RDNs[ irdn ];
RDNs[ irdn ][ 0 ] = &AVAs[ irdn ];
AVAs[ irdn ].la_attr = slap_schema.si_ad_cn->ad_cname;
ber_str2bv( user_realm, 0, 0, &AVAs[ irdn ].la_value );
AVAs[ irdn ].la_flags = LDAP_AVA_NULL;
AVAs[ irdn ].la_private = NULL;
RDNs[ irdn ][ 1 ] = NULL;
}
if ( !BER_BVISNULL( mech ) ) {
irdn++;
DN[ irdn ] = RDNs[ irdn ];
RDNs[ irdn ][ 0 ] = &AVAs[ irdn ];
AVAs[ irdn ].la_attr = slap_schema.si_ad_cn->ad_cname;
AVAs[ irdn ].la_value = *mech;
AVAs[ irdn ].la_flags = LDAP_AVA_NULL;
AVAs[ irdn ].la_private = NULL;
RDNs[ irdn ][ 1 ] = NULL;
}
irdn++;
DN[ irdn ] = RDNs[ irdn ];
RDNs[ irdn ][ 0 ] = &AVAs[ irdn ];
AVAs[ irdn ].la_attr = slap_schema.si_ad_cn->ad_cname;
BER_BVSTR( &AVAs[ irdn ].la_value, "auth" );
AVAs[ irdn ].la_flags = LDAP_AVA_NULL;
AVAs[ irdn ].la_private = NULL;
RDNs[ irdn ][ 1 ] = NULL;
irdn++;
DN[ irdn ] = NULL;
rc = ldap_dn2bv_x( DN, dn, LDAP_DN_FORMAT_LDAPV3,
op->o_tmpmemctx );
if ( rc != LDAP_SUCCESS ) {
BER_BVZERO( dn );
return rc;
}
Debug( LDAP_DEBUG_TRACE,
"slap_sasl_getdn: u:id converted to %s\n",
dn->bv_val, 0, 0 );
} else {
ber_dupbv_x( &dn2, dn, op->o_tmpmemctx );
dn->bv_val = dn2.bv_val;
}
if ( do_norm ) {
rc = dnNormalize( 0, NULL, NULL, dn, &dn2, op->o_tmpmemctx );
slap_sl_free( dn->bv_val, op->o_tmpmemctx );
if ( rc != LDAP_SUCCESS ) {
BER_BVZERO( dn );
return rc;
}
*dn = dn2;
}
slap_sasl2dn( op, dn, &dn2, flags );
if( !BER_BVISNULL( &dn2 ) ) {
slap_sl_free( dn->bv_val, op->o_tmpmemctx );
*dn = dn2;
Debug( LDAP_DEBUG_TRACE,
"slap_sasl_getdn: dn:id converted to %s\n",
dn->bv_val, 0, 0 );
}
return( LDAP_SUCCESS );
}
int sasl_krb5_authdata_pac( Operation *op)
{
int result = -1;
sasl_conn_t *ctx = op->o_conn->c_sasl_authctx;
sasl_krb5_authdata *pvalue = NULL;
char *realm = NULL;
PACTYPE pbufs = {0};
KERB_VALIDATION_INFO krbinfo = {0};
KERB_VALIDATION_INFO_GUID krbinfoguid = {0};
PAC_CLIENT_INFO clientinfo = {0};
char uuid_str[56] = {0};
char domainsid_str[256] = {0};
char sid_str[256] = {0};
CFStringRef cfstr = NULL;
char clientname[256] = {0};
int prop_rc = -1;
krb5_error_code ret;
krb5_context context = 0;
krb5_pac pac;
krb5_data data;
if (!BER_BVISNULL(&op->orb_edn) &&
strstr (op->orb_edn.bv_val, "proxyuser") == NULL) {
Debug(LDAP_DEBUG_TRACE, "sasl_krb5_authdata_pac - NOT A PROXY USER\n",0, 0, 0);
return -1;
}
prop_rc = sasl_getprop(ctx, SASL_KRB5_AUTHDATA, (SASL_CONST void **)&pvalue);
if(prop_rc == SASL_OK) {
if(pvalue->structID == SASL_KRB5_AUTH_DATA_SIG) {
Debug(LDAP_DEBUG_TRACE, "sasl_getprop(110) data length = [%d]\n", pvalue->length, 0, 0);
if (pvalue->length) {
op->o_conn->c_authz.c_sai_krb5_auth_data.bv_len = pvalue->length;
op->o_conn->c_authz.c_sai_krb5_auth_data.bv_val = pvalue->data;
Debug(LDAP_DEBUG_TRACE, "sasl_getprop(110) op->o_conn->c_authz.c_sai_krb5_auth_data.bv_len = [%d]\n", (int)op->o_conn->c_authz.c_sai_krb5_auth_data.bv_len, 0, 0);
ret = krb5_init_context(&context);
if (ret) {
Debug(LDAP_DEBUG_TRACE, "sasl_krb5_authdata_pac [%d]krb5_init_context\n", ret, 0, 0);
}
ret = krb5_pac_parse(context, pvalue->data, pvalue->length, &pac);
if (ret) {
Debug(LDAP_DEBUG_TRACE, "sasl_krb5_authdata_pac [%d]krb5_pac_parse\n", ret, 0, 0);
} else {
memset(&data, 0, sizeof(data));
ret = krb5_pac_get_buffer(context, pac, PAC_CLIENT_INFO_TYPE, &data);
if (ret) {
Debug(LDAP_DEBUG_TRACE, "sasl_krb5_authdata_pac [%d]krb5_pac_get_buffer PAC_CLIENT_INFO_TYPE\n", ret, 0, 0);
} else {
if (get_pac_client_info(data.data, data.length, &clientinfo) == 0) {
Debug(LDAP_DEBUG_TRACE, " get_pac_client_info\n", 0, 0, 0);
cfstr = CFStringCreateWithCharacters(NULL, (const UniChar *)clientinfo.Name, clientinfo.NameLength);
if (CFStringGetCString( cfstr, clientname, sizeof(clientname), kCFStringEncodingUTF8 )) {
Debug(LDAP_DEBUG_TRACE, "clientInfo.Name = %s\n",clientname, 0, 0);
ber_str2bv( clientname, 0, 1, &op->o_conn->c_authz.c_sai_krb5_pac_name );
}
}
krb5_data_free(&data);
}
memset(&data, 0, sizeof(data));
ret = krb5_pac_get_buffer(context, pac, PAC_LOGON_INFO_TYPE, &data);
if (ret) {
Debug(LDAP_DEBUG_TRACE, "sasl_krb5_authdata_pac [%d]krb5_pac_get_buffer PAC_LOGON_INFO_TYPE\n", ret, 0, 0);
} else {
if (get_kerbvalidationinfo(data.data, data.length, &krbinfo) == 0) { Debug(LDAP_DEBUG_TRACE, " Active Directory - get_kerbvalidationinfo\n", 0, 0, 0);
if (mbr_sid_to_string(&krbinfo.domain_sid, domainsid_str) == 0) { snprintf(sid_str, sizeof(sid_str), "%s-%u", domainsid_str, krbinfo.UserId); ber_str2bv( sid_str, 0, 1, &op->o_conn->c_authz.c_sai_krb5_pac_id );
op->o_conn->c_authz.c_sai_krb5_auth_data_provisioned = 1;
result = 0;
} else {
Debug(LDAP_DEBUG_TRACE, " Active Directory - get_kerbvalidationinfo - INVALID DOMAIN SID\n", 0, 0, 0);
}
}
krb5_data_free(&data);
}
memset(&data, 0, sizeof(data));
ret = krb5_pac_get_buffer(context, pac, PAC_LOGON_INFO_GUID_TYPE, &data);
if (ret) {
Debug(LDAP_DEBUG_TRACE, "sasl_krb5_authdata_pac [%d]krb5_pac_get_buffer PAC_LOGON_INFO_GUID_TYPE\n", ret, 0, 0);
} else {
if (get_kerbvalidationinfoguid(data.data, data.length, &krbinfoguid) == 0) { Debug(LDAP_DEBUG_TRACE, " Open Directory - get_kerbvalidationinfoguid\n", 0, 0, 0);
uuid_unparse(krbinfoguid.userguid, uuid_str);
Debug(LDAP_DEBUG_TRACE, " Open Directory - get_kerbvalidationinfoguid uuid(%s)\n", uuid_str, 0, 0);
ber_str2bv( uuid_str, 0, 1, &op->o_conn->c_authz.c_sai_krb5_pac_id );
op->o_conn->c_authz.c_sai_krb5_auth_data_provisioned = 1;
result = 0;
}
krb5_data_free(&data);
}
krb5_pac_free(context, pac);
}
}
if (pvalue->realm) {
ber_str2bv( realm, 0, 1, &op->o_conn->c_authz.c_sai_krb5_realm );
} else {
Debug(LDAP_DEBUG_TRACE, "[%d]sasl_getprop(SASL_KRB5_AUTHDATA)\n", prop_rc, 0, 0);
}
}
} else {
Debug(LDAP_DEBUG_TRACE, "[%d]sasl_getprop(110)\n", prop_rc, 0, 0);
}
if (clientinfo.Name)
free(clientinfo.Name);
if (cfstr)
CFRelease(cfstr);
if (context)
krb5_free_context(context);
return result;
}