/* $OpenLDAP$ */
-/*
- * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
*/
#include "portable.h"
# endif
# if SASL_VERSION_MAJOR >= 2
+# ifdef HAVE_SASL_SASL_H
# include <sasl/saslplug.h>
+# else
+# include <saslplug.h>
+# endif
# define SASL_CONST const
# else
# define SASL_CONST
# endif
+#define SASL_VERSION_FULL ((SASL_VERSION_MAJOR << 16) |\
+ (SASL_VERSION_MINOR << 8) | SASL_VERSION_STEP)
+
static sasl_security_properties_t sasl_secprops;
-#endif /* HAVE_CYRUS_SASL */
+#elif defined( SLAP_BUILTIN_SASL )
+/*
+ * built-in SASL implementation
+ * only supports EXTERNAL
+ */
+typedef struct sasl_ctx {
+ slap_ssf_t sc_external_ssf;
+ struct berval sc_external_id;
+} SASL_CTX;
+
+#endif
#include "ldap_pvt.h"
#include "lber_pvt.h"
#include <lutil.h>
+static struct berval ext_bv = BER_BVC( "EXTERNAL" );
+
int slap_sasl_config( int cargc, char **cargv, char *line,
const char *fname, int lineno )
{
#if SASL_VERSION_MAJOR >= 2
static const char *slap_propnames[] = {
- "*slapConn", "*authcDN", "*authzDN", NULL };
+ "*slapConn", "*slapAuthcDN", "*slapAuthzDN", NULL };
-static Filter *generic_filter;
+static Filter generic_filter = { LDAP_FILTER_PRESENT };
+static struct berval generic_filterstr = BER_BVC("(objectclass=*)");
#define PROP_CONN 0
#define PROP_AUTHC 1
#define PROP_AUTHZ 2
+#define PROP_COUNT 3 /* Number of properties we used */
typedef struct lookup_info {
- int last;
int flags;
const struct propval *list;
sasl_server_params_t *sparams;
} lookup_info;
+static slap_response sasl_ap_lookup;
+
static int
-sasl_ap_lookup(
- BackendDB *be,
- Connection *conn,
- Operation *op,
- Entry *e,
- AttributeName *an,
- int attrsonly,
- LDAPControl **ctrls )
+sasl_ap_lookup( Operation *op, SlapReply *rs )
{
BerVarray bv;
AttributeDescription *ad;
slap_callback *tmp = op->o_callback;
lookup_info *sl = tmp->sc_private;
- for( i = 0; i < sl->last; i++ ) {
+ 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;
+ /* Skip our private properties */
+ if ( !strcmp( name, slap_propnames[0] )) {
+ i += PROP_COUNT-1;
+ continue;
+ }
name++;
} else if ( !(sl->flags & SASL_AUXPROP_AUTHZID ) )
continue;
#endif
continue;
}
- a = attr_find( e->e_attrs, ad );
+ a = attr_find( rs->sr_entry->e_attrs, ad );
if ( !a ) continue;
- if ( ! access_allowed( be, conn, op, e, ad, NULL, ACL_AUTH, NULL ) )
+ 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 );
+ }
+ 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++ ) {
- sl->sparams->utils->prop_set( sl->sparams->propctx, sl->list[i].name,
- bv->bv_val, bv->bv_len );
+ sl->sparams->utils->prop_set( sl->sparams->propctx,
+ sl->list[i].name, bv->bv_val, bv->bv_len );
}
}
return LDAP_SUCCESS;
const char *user,
unsigned ulen)
{
- int rc, i, doit=0;
- struct berval dn;
+ Operation op = {0};
+ int i, doit = 0;
Connection *conn = NULL;
lookup_info sl;
sl.flags = flags;
/* Find our DN and conn first */
- for( i = 0, sl.last = 0; sl.list[i].name; i++ ) {
+ for( i = 0; sl.list[i].name; i++ ) {
if ( sl.list[i].name[0] == '*' ) {
if ( !strcmp( sl.list[i].name, slap_propnames[PROP_CONN] ) ) {
if ( sl.list[i].values && sl.list[i].values[0] )
AC_MEMCPY( &conn, sl.list[i].values[0], sizeof( conn ) );
- if ( !sl.last ) sl.last = i;
+ continue;
}
if ( (flags & SASL_AUXPROP_AUTHZID) &&
!strcmp( sl.list[i].name, slap_propnames[PROP_AUTHZ] ) ) {
if ( sl.list[i].values && sl.list[i].values[0] )
- AC_MEMCPY( &dn, sl.list[i].values[0], sizeof( dn ) );
- if ( !sl.last ) sl.last = i;
+ AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
break;
}
if ( !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHC] ) ) {
- if ( !sl.last ) sl.last = i;
if ( sl.list[i].values && sl.list[i].values[0] ) {
- AC_MEMCPY( &dn, sl.list[i].values[0], sizeof( dn ) );
+ AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
if ( !(flags & SASL_AUXPROP_AUTHZID) )
break;
}
}
/* Now see what else needs to be fetched */
- for( i = 0; i < sl.last; i++ ) {
+ for( i = 0; sl.list[i].name; i++ ) {
const char *name = sl.list[i].name;
if ( name[0] == '*' ) {
if ( flags & SASL_AUXPROP_AUTHZID ) continue;
+ /* Skip our private properties */
+ if ( !strcmp( name, slap_propnames[0] )) {
+ i += PROP_COUNT-1;
+ continue;
+ }
name++;
} else if ( !(flags & SASL_AUXPROP_AUTHZID ) )
continue;
if ( !(flags & SASL_AUXPROP_OVERRIDE) ) continue;
}
doit = 1;
+ break;
}
if (doit) {
- Backend *be;
- Operation op = {0};
- slap_callback cb = { slap_cb_null_response,
- slap_cb_null_sresult, sasl_ap_lookup, NULL };
+ slap_callback cb = { NULL, sasl_ap_lookup, NULL, NULL };
cb.sc_private = &sl;
- be = select_backend( &dn, 0, 1 );
+ op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
- if ( be && be->be_search ) {
+ if ( op.o_bd && op.o_bd->be_search ) {
+ SlapReply rs = {REP_RESULT};
op.o_tag = LDAP_REQ_SEARCH;
op.o_protocol = LDAP_VERSION3;
op.o_ndn = conn->c_ndn;
op.o_callback = &cb;
op.o_time = slap_get_time();
op.o_do_not_cache = 1;
+ op.o_is_auth_check = 1;
op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
+ op.o_tmpmemctx = conn->c_sasl_bindop->o_tmpmemctx;
+ op.o_tmpmfuncs = conn->c_sasl_bindop->o_tmpmfuncs;
+ op.o_conn = conn;
+ op.o_connid = conn->c_connid;
+ 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_bd->be_search( &op, &rs );
+ }
+ }
+}
- (*be->be_search)( be, conn, &op, NULL, &dn,
- LDAP_SCOPE_BASE, LDAP_DEREF_NEVER, 1, 0,
- generic_filter, NULL, NULL, 0 );
+#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};
+ SlapReply rs = {REP_RESULT};
+ int rc, i, 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);
+
+ /* just checking if we are enabled */
+ if (!prctx) return SASL_OK;
+
+ if (!sparams || !user) return SASL_BADPARAM;
+
+ pr = sparams->utils->prop_get( sparams->propctx );
+
+ /* Find our DN and conn first */
+ for( i = 0; pr[i].name; i++ ) {
+ if ( pr[i].name[0] == '*' ) {
+ if ( !strcmp( pr[i].name, slap_propnames[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[PROP_AUTHC] ) ) {
+ if ( pr[i].values && pr[i].values[0] ) {
+ AC_MEMCPY( &op.o_req_ndn, pr[i].values[0], sizeof( struct berval ) );
+ }
+ }
}
}
+ if (!conn || !op.o_req_ndn.bv_val) return SASL_BADPARAM;
+
+ op.o_bd = select_backend( &op.o_req_ndn, 0, 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;
+ ber_str2bv( pr[i].name, 0, 0, &mod->sml_type );
+ 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]);
+ }
+ mod->sml_values[j].bv_val = NULL;
+ mod->sml_values[j].bv_len = 0;
+ mod->sml_nvalues = NULL;
+ mod->sml_desc = NULL;
+ *modtail = mod;
+ modtail = &mod->sml_next;
+ }
+ *modtail = NULL;
+
+ rc = slap_mods_check( modlist, 0, &text, textbuf, textlen, NULL );
+
+ if ( rc == LDAP_SUCCESS ) {
+ rc = slap_mods_opattrs( &op, modlist, modtail, &text, textbuf,
+ textlen, 1 );
+ }
+
+ if ( rc == LDAP_SUCCESS ) {
+ op.o_tag = LDAP_REQ_MODIFY;
+ op.o_protocol = LDAP_VERSION3;
+ op.o_ndn = op.o_req_ndn;
+ op.o_callback = &cb;
+ op.o_time = slap_get_time();
+ op.o_do_not_cache = 1;
+ op.o_is_auth_check = 1;
+ op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
+ op.o_tmpmemctx = conn->c_sasl_bindop->o_tmpmemctx;
+ op.o_tmpmfuncs = conn->c_sasl_bindop->o_tmpmfuncs;
+ op.o_conn = conn;
+ op.o_connid = conn->c_connid;
+ op.o_req_dn = op.o_req_ndn;
+ op.orm_modlist = modlist;
+
+ rc = op.o_bd->be_modify( &op, &rs );
+ }
+ slap_mods_free( modlist );
+ return rc ? SASL_FAIL : SASL_OK;
}
+#endif /* SASL_VERSION_FULL >= 2.1.16 */
static sasl_auxprop_plug_t slap_auxprop_plugin = {
0, /* Features */
NULL, /* auxprop_free */
slap_auxprop_lookup,
"slapd", /* name */
- NULL /* spare */
+#if SASL_VERSION_FULL >= 0x020110
+ slap_auxprop_store /* the declaration of this member changed
+ * in cyrus SASL from 2.1.15 to 2.1.16 */
+#else
+ NULL
+#endif
};
static int
sasl_auxprop_plug_t **plug,
const char *plugname)
{
- if ( !out_version | !plug ) return SASL_BADPARAM;
+ if ( !out_version || !plug ) return SASL_BADPARAM;
if ( max_version < SASL_AUXPROP_PLUG_VERSION ) return SASL_BADVERS;
return SASL_OK;
}
-typedef struct checkpass_info {
- int rc;
- struct berval cred;
-} checkpass_info;
-
-static int
-sasl_cb_checkpass(
- BackendDB *be,
- Connection *conn,
- Operation *op,
- Entry *e,
- AttributeName *an,
- int attrsonly,
- LDAPControl **ctrls )
-{
- slap_callback *tmp = op->o_callback;
- checkpass_info *ci = tmp->sc_private;
- Attribute *a;
- struct berval *bv;
-
- ci->rc = SASL_NOVERIFY;
-
- a = attr_find( e->e_attrs, slap_schema.si_ad_userPassword );
- if ( !a ) return 0;
- if ( ! access_allowed( be, conn, op, e, slap_schema.si_ad_userPassword,
- NULL, ACL_AUTH, NULL ) ) return 0;
-
- for ( bv = a->a_vals; bv->bv_val != NULL; bv++ ) {
- if ( !lutil_passwd( bv, &ci->cred, NULL ) ) {
- ci->rc = SASL_OK;
- break;
- }
- }
- return 0;
-}
-
-static int
-slap_sasl_checkpass(
- sasl_conn_t *sconn,
- void *context,
- const char *username,
- const char *pass,
- unsigned passlen,
- struct propctx *propctx)
-{
- Connection *conn = (Connection *)context;
- struct berval dn;
- int rc;
- Backend *be;
- checkpass_info ci;
-
- ci.rc = SASL_NOUSER;
-
- /* SASL will fallback to its own mechanisms if we don't
- * find an answer here.
- */
-
- rc = slap_sasl_getdn( conn, (char *)username, 0, NULL, &dn,
- SLAP_GETDN_AUTHCID );
- if ( rc != LDAP_SUCCESS ) {
- sasl_seterror( sconn, 0, ldap_err2string( rc ) );
- return SASL_NOUSER;
- }
-
- if ( dn.bv_len == 0 ) {
- sasl_seterror( sconn, 0,
- "No password is associated with the Root DSE" );
- if ( dn.bv_val != NULL ) {
- ch_free( dn.bv_val );
- }
- return SASL_NOUSER;
- }
-
- be = select_backend( &dn, 0, 1 );
- if ( be && be->be_search ) {
- Operation op = {0};
- slap_callback cb = { slap_cb_null_response,
- slap_cb_null_sresult, sasl_cb_checkpass, NULL };
-
- ci.cred.bv_val = (char *)pass;
- ci.cred.bv_len = passlen;
-
- cb.sc_private = &ci;
- op.o_tag = LDAP_REQ_SEARCH;
- op.o_protocol = LDAP_VERSION3;
- op.o_ndn = conn->c_ndn;
- op.o_callback = &cb;
- op.o_time = slap_get_time();
- op.o_do_not_cache = 1;
- op.o_threadctx = conn->c_sasl_bindop->o_threadctx;
-
- (*be->be_search)( be, conn, &op, NULL, &dn,
- LDAP_SCOPE_BASE, LDAP_DEREF_NEVER, 1, 0,
- generic_filter, NULL, NULL, 0 );
- }
- if ( ci.rc != SASL_OK ) {
- sasl_seterror( sconn, 0,
- ldap_err2string( LDAP_INVALID_CREDENTIALS ) );
- }
-
- ch_free( dn.bv_val );
-
- return ci.rc;
-}
-
/* Convert a SASL authcid or authzid into a DN. Store the DN in an
* auxiliary property, so that we can refer to it in sasl_authorize
* without interfering with anything else. Also, the SASL username
* buffer is constrained to 256 characters, and our DNs could be
- * much longer (totally arbitrary length)...
+ * much longer (SLAP_LDAPDN_MAXLEN, currently set to 8192)
*/
static int
slap_sasl_canonicalize(
if ( inlen > out_max )
inlen = out_max-1;
+ /* This is a Simple Bind using SPASSWD. That means the in-directory
+ * userPassword of the Binding user already points at SASL, so it
+ * cannot be used to actually satisfy a password comparison. Just
+ * ignore it, some other mech will process it.
+ */
+ if ( !conn->c_sasl_bindop ||
+ conn->c_sasl_bindop->orb_method != LDAP_AUTH_SASL ) goto done;
+
/* See if we need to add request, can only do it once */
prop_getnames( props, slap_propnames, auxvals );
if ( !auxvals[0].name )
if ( !rc ) goto done;
}
- rc = slap_sasl_getdn( conn, (char *)in, inlen, (char *)user_realm, &dn,
+ rc = slap_sasl_getdn( conn, NULL, (char *)in, inlen, (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 ) );
struct berval authcDN, authzDN;
int rc;
+ /* Simple Binds don't support proxy authorization, ignore it */
+ if ( !conn->c_sasl_bindop ||
+ conn->c_sasl_bindop->orb_method != LDAP_AUTH_SASL ) return SASL_OK;
+
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
"slap_sasl_authorize: conn %d authcid=\"%s\" authzid=\"%s\"\n",
conn ? conn->c_connid : -1, auth_identity, requested_user);
#else
- Debug( LDAP_DEBUG_ARGS, "SASL Authorize [conn=%ld]: "
+ Debug( LDAP_DEBUG_ARGS, "SASL proxy authorize [conn=%ld]: "
"authcid=\"%s\" authzid=\"%s\"\n",
conn ? conn->c_connid : -1, auth_identity, requested_user );
#endif
/* Skip PROP_CONN */
prop_getnames( props, slap_propnames+1, auxvals );
+ /* Should not happen */
+ if ( !auxvals[0].values ) {
+ sasl_seterror( sconn, 0, "invalid authcid" );
+ return SASL_NOAUTHZ;
+ }
+
AC_MEMCPY( &authcDN, auxvals[0].values[0], sizeof(authcDN) );
/* Nothing to do if no authzID was given */
AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) );
- rc = slap_sasl_authorized( conn, &authcDN, &authzDN );
+ rc = slap_sasl_authorized( conn->c_sasl_bindop, &authcDN, &authzDN );
ch_free( authcDN.bv_val );
if ( rc != LDAP_SUCCESS ) {
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, INFO,
- "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
+ "slap_sasl_authorize: conn %ld "
+ "proxy authorization disallowed (%d)\n",
(long)(conn ? conn->c_connid : -1), rc, 0 );
#else
- Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
- " authorization disallowed (%d)\n",
+ Debug( LDAP_DEBUG_TRACE, "SASL Proxy Authorize [conn=%ld]: "
+ "proxy authorization disallowed (%d)\n",
(long) (conn ? conn->c_connid : -1), rc, 0 );
#endif
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_authorize: conn %d authorization allowed\n",
+ "slap_sasl_authorize: conn %d proxy authorization allowed\n",
(long)(conn ? conn->c_connid : -1), 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
- " authorization allowed\n",
+ " proxy authorization allowed\n",
(long) (conn ? conn->c_connid : -1), 0, 0 );
#endif
return SASL_OK;
#endif
/* Figure out how much data we have for the dn */
- rc = sasl_getprop( conn->c_sasl_context, SASL_REALM, (void **)&realm );
+ rc = sasl_getprop( conn->c_sasl_authctx, SASL_REALM, (void **)&realm );
if( rc != SASL_OK && rc != SASL_NOTDONE ) {
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ERR,
/* Convert the identities to DN's. If no authzid was given, client will
be bound as the DN matching their username */
- rc = slap_sasl_getdn( conn, (char *)authcid, 0, realm,
+ rc = slap_sasl_getdn( conn, NULL, (char *)authcid, 0, realm,
&authcDN, SLAP_GETDN_AUTHCID );
if( rc != LDAP_SUCCESS ) {
*errstr = ldap_err2string( rc );
conn->c_sasl_dn = authcDN;
goto ok;
}
- rc = slap_sasl_getdn( conn, (char *)authzid, 0, realm,
+ rc = slap_sasl_getdn( conn, NULL, (char *)authzid, 0, realm,
&authzDN, SLAP_GETDN_AUTHZID );
if( rc != LDAP_SUCCESS ) {
ch_free( authcDN.bv_val );
return SASL_NOAUTHZ;
}
- rc = slap_sasl_authorized(conn, &authcDN, &authzDN );
+ rc = slap_sasl_authorized(conn->c_sasl_bindop, &authcDN, &authzDN );
ch_free( authcDN.bv_val );
if( rc ) {
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, INFO,
- "slap_sasl_authorize: conn %ld authorization disallowed (%d)\n",
+ "slap_sasl_authorize: conn %ld "
+ "proxy authorization disallowed (%d)\n",
(long)(conn ? conn->c_connid : -1), rc, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
- " authorization disallowed (%d)\n",
+ "proxy authorization disallowed (%d)\n",
(long) (conn ? conn->c_connid : -1), rc, 0 );
#endif
ok:
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, RESULTS,
- "slap_sasl_authorize: conn %d authorization allowed\n",
+ "slap_sasl_authorize: conn %d proxy authorization allowed\n",
(long)(conn ? conn->c_connid : -1 ), 0, 0 );
#else
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
int rc;
switch (saslerr) {
+ case SASL_OK:
+ rc = LDAP_SUCCESS;
+ break;
case SASL_CONTINUE:
rc = LDAP_SASL_BIND_IN_PROGRESS;
break;
};
#ifdef HAVE_SASL_VERSION
-#define SASL_BUILD_VERSION ((SASL_VERSION_MAJOR << 24) |\
- (SASL_VERSION_MINOR << 16) | SASL_VERSION_STEP)
+ /* stringify the version number, sasl.h doesn't do it for us */
+#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) {
-
+ (rc & 0xffff) < SASL_VERSION_STEP)
+ {
+ char version[sizeof("xxx.xxx.xxxxx")];
+ sprintf( version, "%u.%d.%d", (unsigned)rc >> 24, (rc >> 16) & 0xff,
+ rc & 0xffff );
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, INFO,
- "slap_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
- rc, SASL_BUILD_VERSION, 0 );
+ "slap_sasl_init: SASL library version mismatch:"
+ " expected " SASL_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
#else
Debug( LDAP_DEBUG_ANY,
- "slap_sasl_init: SASL version mismatch, got %x, wanted %x.\n",
- rc, SASL_BUILD_VERSION, 0 );
+ "slap_sasl_init: SASL library version mismatch:"
+ " expected " SASL_VERSION_STRING ","
+ " got %s\n", version, 0, 0 );
#endif
return -1;
}
ldap_pvt_sasl_mutex_dispose );
#if SASL_VERSION_MAJOR >= 2
+ generic_filter.f_desc = slap_schema.si_ad_objectClass;
+
sasl_auxprop_add_plugin( "slapd", slap_auxprop_init );
#endif
/* should provide callbacks for logging */
0, 0, 0 );
#endif
-
/* default security properties */
memset( &sasl_secprops, '\0', sizeof(sasl_secprops) );
sasl_secprops.max_ssf = INT_MAX;
{
#ifdef HAVE_CYRUS_SASL
sasl_done();
-#endif
-#if SASL_VERSION_MAJOR >= 2
- filter_free( generic_filter );
#endif
free( global_host );
global_host = NULL;
return 0;
}
-int slap_sasl_open( Connection *conn )
+int slap_sasl_open( Connection *conn, int reopen )
{
- int cb, sc = LDAP_SUCCESS;
-#if SASL_VERSION_MAJOR >= 2
- char *ipremoteport = NULL, *iplocalport = NULL;
-#endif
-
+ int sc = LDAP_SUCCESS;
#ifdef HAVE_CYRUS_SASL
+ int cb;
+
sasl_conn_t *ctx = NULL;
sasl_callback_t *session_callbacks;
- assert( conn->c_sasl_context == NULL );
- assert( conn->c_sasl_extra == NULL );
+#if SASL_VERSION_MAJOR >= 2
+ char *ipremoteport = NULL, *iplocalport = NULL;
+#endif
- conn->c_sasl_layers = 0;
+ assert( conn->c_sasl_authctx == NULL );
- session_callbacks =
+ if ( !reopen ) {
+ assert( conn->c_sasl_extra == NULL );
+
+ session_callbacks =
#if SASL_VERSION_MAJOR >= 2
- SLAP_CALLOC( 5, sizeof(sasl_callback_t));
+ SLAP_CALLOC( 5, sizeof(sasl_callback_t));
#else
- SLAP_CALLOC( 3, sizeof(sasl_callback_t));
+ SLAP_CALLOC( 3, sizeof(sasl_callback_t));
#endif
- if( session_callbacks == NULL ) {
+ if( session_callbacks == NULL ) {
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ERR,
"slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
"slap_sasl_open: SLAP_MALLOC failed", 0, 0, 0 );
#endif
return -1;
- }
- conn->c_sasl_extra = session_callbacks;
+ }
+ 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=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_PROXY_POLICY;
+ session_callbacks[cb].proc = &slap_sasl_authorize;
+ session_callbacks[cb++].context = conn;
#if SASL_VERSION_MAJOR >= 2
- session_callbacks[cb].id = SASL_CB_CANON_USER;
- session_callbacks[cb].proc = &slap_sasl_canonicalize;
- session_callbacks[cb++].context = conn;
-
- /* XXXX: this should be conditional */
- session_callbacks[cb].id = SASL_CB_SERVER_USERDB_CHECKPASS;
- session_callbacks[cb].proc = &slap_sasl_checkpass;
- 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;
#endif
- session_callbacks[cb].id = SASL_CB_LIST_END;
- session_callbacks[cb].proc = NULL;
- session_callbacks[cb++].context = NULL;
+ 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( global_host == NULL ) {
global_host = ldap_pvt_get_fqdn( NULL );
/* create new SASL context */
#if SASL_VERSION_MAJOR >= 2
- if ( generic_filter == NULL ) {
- generic_filter = str2filter( "(objectclass=*)" );
- }
if ( conn->c_sock_name.bv_len != 0 &&
strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0) {
char *p;
return -1;
}
- conn->c_sasl_context = ctx;
+ conn->c_sasl_authctx = ctx;
if( sc == SASL_OK ) {
sc = sasl_setprop( ctx,
}
sc = slap_sasl_err2ldap( sc );
+
+#elif defined(SLAP_BUILTIN_SASL)
+ /* built-in SASL implementation */
+ SASL_CTX *ctx = (SASL_CTX *) SLAP_MALLOC(sizeof(SASL_CTX));
+ if( ctx == NULL ) return -1;
+
+ ctx->sc_external_ssf = 0;
+ ctx->sc_external_id.bv_len = 0;
+ ctx->sc_external_id.bv_val = NULL;
+
+ conn->c_sasl_authctx = ctx;
#endif
+
return sc;
}
int slap_sasl_external(
Connection *conn,
slap_ssf_t ssf,
- const char *auth_id )
+ struct berval *auth_id )
{
#if SASL_VERSION_MAJOR >= 2
int sc;
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = conn->c_sasl_authctx;
if ( ctx == NULL ) {
return LDAP_UNAVAILABLE;
return LDAP_OTHER;
}
- sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL, auth_id );
+ sc = sasl_setprop( ctx, SASL_AUTH_EXTERNAL,
+ auth_id ? auth_id->bv_val : NULL );
if ( sc != SASL_OK ) {
return LDAP_OTHER;
#elif defined(HAVE_CYRUS_SASL)
int sc;
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = conn->c_sasl_authctx;
sasl_external_properties_t extprops;
if ( ctx == NULL ) {
memset( &extprops, '\0', sizeof(extprops) );
extprops.ssf = ssf;
- extprops.auth_id = (char *) auth_id;
+ extprops.auth_id = auth_id ? auth_id->bv_val : NULL;
sc = sasl_setprop( ctx, SASL_SSF_EXTERNAL,
(void *) &extprops );
if ( sc != SASL_OK ) {
return LDAP_OTHER;
}
+#elif defined(SLAP_BUILTIN_SASL)
+ /* built-in SASL implementation */
+ 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;
+ auth_id->bv_len = 0;
+ auth_id->bv_val = NULL;
+ } else {
+ ctx->sc_external_id.bv_len = 0;
+ ctx->sc_external_id.bv_val = NULL;
+ }
#endif
return LDAP_SUCCESS;
int slap_sasl_reset( Connection *conn )
{
-#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
-
- if( ctx != NULL ) {
- }
-#endif
- /* must return "anonymous" */
return LDAP_SUCCESS;
}
char **mechs = NULL;
#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = conn->c_sasl_authctx;
+
+ if( ctx == NULL ) ctx = conn->c_sasl_sockctx;
if( ctx != NULL ) {
int sc;
ch_free( mechstr );
#endif
}
+#elif defined(SLAP_BUILTIN_SASL)
+ /* builtin SASL implementation */
+ SASL_CTX *ctx = conn->c_sasl_authctx;
+ if ( ctx != NULL && ctx->sc_external_id.bv_val ) {
+ /* should check ssf */
+ mechs = ldap_str2charray( "EXTERNAL", "," );
+ }
#endif
return mechs;
int slap_sasl_close( Connection *conn )
{
#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
+ 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_context = NULL;
+ 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 );
+ ctx->sc_external_id.bv_val = NULL;
+ }
+ free( ctx );
+ conn->c_sasl_authctx = NULL;
+ }
#endif
return LDAP_SUCCESS;
}
-int slap_sasl_bind(
- Connection *conn,
- Operation *op,
- struct berval *dn,
- struct berval *ndn,
- struct berval *cred,
- struct berval *edn,
- slap_ssf_t *ssfp )
+int slap_sasl_bind( Operation *op, SlapReply *rs )
{
- int rc = 1;
-
#ifdef HAVE_CYRUS_SASL
- sasl_conn_t *ctx = conn->c_sasl_context;
+ sasl_conn_t *ctx = op->o_conn->c_sasl_authctx;
struct berval response;
unsigned reslen = 0;
- const char *errstr = NULL;
int sc;
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
"sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
- dn->bv_len ? dn->bv_val : "",
- conn->c_sasl_bind_in_progress ? "<continuing>" :
- conn->c_sasl_bind_mech.bv_val,
- cred ? cred->bv_len : 0 );
+ 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 );
#else
Debug(LDAP_DEBUG_ARGS,
"==> sasl_bind: dn=\"%s\" mech=%s datalen=%ld\n",
- dn->bv_len ? dn->bv_val : "",
- conn->c_sasl_bind_in_progress ? "<continuing>":conn->c_sasl_bind_mech.bv_val,
- cred ? cred->bv_len : 0 );
+ 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 );
#endif
-
if( ctx == NULL ) {
- send_ldap_result( conn, op, LDAP_UNAVAILABLE,
- NULL, "SASL unavailable on this session", NULL, NULL );
- return rc;
+ send_ldap_error( op, rs, LDAP_UNAVAILABLE,
+ "SASL unavailable on this session" );
+ return rs->sr_err;
}
#if SASL_VERSION_MAJOR >= 2
sasl_server_step( ctx, cred, clen, resp, rlen, err )
#endif
- if ( !conn->c_sasl_bind_in_progress ) {
+ if ( !op->o_conn->c_sasl_bind_in_progress ) {
+ /* If we already authenticated once, must use a new context */
+ if ( op->o_conn->c_sasl_done ) {
+ slap_ssf_t ssf = 0;
+ const char *authid = NULL;
+#if SASL_VERSION_MAJOR >= 2
+ sasl_getprop( ctx, SASL_SSF_EXTERNAL, (void *)&ssf );
+ sasl_getprop( ctx, SASL_AUTH_EXTERNAL, (void *)&authid );
+ if ( authid ) authid = ch_strdup( authid );
+#endif
+ 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 SASL_VERSION_MAJOR >= 2
+ if ( authid ) {
+ sasl_setprop( ctx, SASL_SSF_EXTERNAL, &ssf );
+ sasl_setprop( ctx, SASL_AUTH_EXTERNAL, authid );
+ ch_free( (char *)authid );
+ }
+#endif
+ }
sc = START( ctx,
- conn->c_sasl_bind_mech.bv_val,
- cred->bv_val, cred->bv_len,
- (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
+ 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,
- cred->bv_val, cred->bv_len,
- (SASL_CONST char **)&response.bv_val, &reslen, &errstr );
+ 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;
- *edn = conn->c_sasl_dn;
- conn->c_sasl_dn.bv_val = NULL;
- conn->c_sasl_dn.bv_len = 0;
+ op->orb_edn = op->o_conn->c_sasl_dn;
+ op->o_conn->c_sasl_dn.bv_val = NULL;
+ op->o_conn->c_sasl_dn.bv_len = 0;
+ op->o_conn->c_sasl_done = 1;
- rc = LDAP_SUCCESS;
+ rs->sr_err = LDAP_SUCCESS;
(void) sasl_getprop( ctx, SASL_SSF, (void *)&ssf );
- *ssfp = ssf ? *ssf : 0;
-
- if( *ssfp ) {
- ldap_pvt_thread_mutex_lock( &conn->c_mutex );
- conn->c_sasl_layers++;
- ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ op->orb_ssf = ssf ? *ssf : 0;
+
+ ctx = NULL;
+ if( op->orb_ssf ) {
+ ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
+ op->o_conn->c_sasl_layers++;
+
+ /* If there's an old layer, set sockctx to NULL to
+ * tell connection_read() to wait for us to finish.
+ * Otherwise there is a race condition: we have to
+ * send the Bind response using the old security
+ * context and then remove it before reading any
+ * new messages.
+ */
+ 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 );
}
- send_ldap_sasl( conn, op, rc,
- NULL, NULL, NULL, NULL,
- response.bv_len ? &response : NULL );
-
+ /* Must send response using old security layer */
+ if (response.bv_len) rs->sr_sasldata = &response;
+ send_ldap_sasl( op, rs );
+
+ /* Now dispose of the old security layer.
+ */
+ 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 ) {
- send_ldap_sasl( conn, op, rc = LDAP_SASL_BIND_IN_PROGRESS,
- NULL, NULL, NULL, NULL, &response );
+ rs->sr_err = LDAP_SASL_BIND_IN_PROGRESS,
+ rs->sr_sasldata = &response;
+ send_ldap_sasl( op, rs );
} else {
#if SASL_VERSION_MAJOR >= 2
- errstr = sasl_errdetail( ctx );
+ rs->sr_text = sasl_errdetail( ctx );
#endif
- send_ldap_result( conn, op, rc = slap_sasl_err2ldap( sc ),
- NULL, errstr, NULL, NULL );
+ rs->sr_err = slap_sasl_err2ldap( sc ),
+ send_ldap_result( op, rs );
}
#if SASL_VERSION_MAJOR < 2
#endif
#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_bind: rc=%d\n", rc, 0, 0 );
+ LDAP_LOG( TRANSPORT, RESULTS, "slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0 );
#else
- Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rc, 0, 0);
+ Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0);
#endif
+#elif defined(SLAP_BUILTIN_SASL)
+ /* built-in SASL implementation */
+ 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 ) ) {
+ /* EXTERNAL */
+
+ 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_result( conn, op, rc = LDAP_UNAVAILABLE,
- NULL, "SASL not supported", NULL, NULL );
+ send_ldap_error( op, rs, LDAP_AUTH_METHOD_NOT_SUPPORTED,
+ "SASL not supported" );
#endif
- return rc;
+ return rs->sr_err;
}
char* slap_sasl_secprops( const char *in )
#ifdef HAVE_CYRUS_SASL
int
-slap_sasl_setpass(
- Connection *conn,
- Operation *op,
- const char *reqoid,
- struct berval *reqdata,
- char **rspoid,
- struct berval **rspdata,
- LDAPControl *** rspctrls,
- const char **text )
+slap_sasl_setpass( Operation *op, SlapReply *rs )
{
- int rc;
- struct berval id = { 0, NULL }; /* needs to come from connection */
- struct berval new = { 0, NULL };
- struct berval old = { 0, NULL };
+ struct berval id = BER_BVNULL; /* needs to come from connection */
+ struct berval new = BER_BVNULL;
+ struct berval old = BER_BVNULL;
- assert( reqoid != NULL );
- assert( strcmp( LDAP_EXOP_MODIFY_PASSWD, reqoid ) == 0 );
+ assert( ber_bvcmp( &slap_EXOP_MODIFY_PASSWD, &op->ore_reqoid ) == 0 );
- rc = sasl_getprop( conn->c_sasl_context, SASL_USERNAME,
+ rs->sr_err = sasl_getprop( op->o_conn->c_sasl_authctx, SASL_USERNAME,
(SASL_CONST void **)&id.bv_val );
- if( rc != SASL_OK ) {
- *text = "unable to retrieve SASL username";
- rc = LDAP_OTHER;
+ if( rs->sr_err != SASL_OK ) {
+ rs->sr_text = "unable to retrieve SASL username";
+ rs->sr_err = LDAP_OTHER;
goto done;
}
id.bv_val ? id.bv_val : "", 0, 0 );
#endif
- rc = slap_passwd_parse( reqdata,
- NULL, &old, &new, text );
+ rs->sr_err = slap_passwd_parse( op->ore_reqdata,
+ NULL, &old, &new, &rs->sr_text );
- if( rc != LDAP_SUCCESS ) {
+ if( rs->sr_err != LDAP_SUCCESS ) {
goto done;
}
slap_passwd_generate(&new);
if( new.bv_len == 0 ) {
- *text = "password generation failed.";
- rc = LDAP_OTHER;
+ rs->sr_text = "password generation failed.";
+ rs->sr_err = LDAP_OTHER;
goto done;
}
- *rspdata = slap_passwd_return( &new );
+ rs->sr_rspdata = slap_passwd_return( &new );
}
#if SASL_VERSION_MAJOR < 2
- rc = sasl_setpass( conn->c_sasl_context,
- id.bv_val, new.bv_val, new.bv_len, 0, text );
+ rs->sr_err = sasl_setpass( op->o_conn->c_sasl_authctx,
+ id.bv_val, new.bv_val, new.bv_len, 0, &rs->sr_text );
#else
- rc = sasl_setpass( conn->c_sasl_context, id.bv_val,
+ 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( rc != SASL_OK ) {
- *text = sasl_errdetail( conn->c_sasl_context );
+ if( rs->sr_err != SASL_OK ) {
+ rs->sr_text = sasl_errdetail( op->o_conn->c_sasl_authctx );
}
#endif
- switch(rc) {
+ switch(rs->sr_err) {
case SASL_OK:
- rc = LDAP_SUCCESS;
+ rs->sr_err = LDAP_SUCCESS;
break;
case SASL_NOCHANGE:
case SASL_FAIL:
case SASL_BADPARAM:
default:
- rc = LDAP_OTHER;
+ rs->sr_err = LDAP_OTHER;
}
done:
- return rc;
+ return rs->sr_err;
}
#endif /* HAVE_CYRUS_SASL */
/* Take any sort of identity string and return a DN with the "dn:" prefix. The
- string returned in *dn is in its own allocated memory, and must be free'd
- by the calling process.
- -Mark Adamson, Carnegie Mellon
-
- The "dn:" prefix is no longer used anywhere inside slapd. It is only used
- on strings passed in directly from SASL.
- -Howard Chu, Symas Corp.
-*/
-
-#define SET_DN 1
-#define SET_U 2
+ * string returned in *dn is in its own allocated memory, and must be free'd
+ * by the calling process. -Mark Adamson, Carnegie Mellon
+ *
+ * The "dn:" prefix is no longer used anywhere inside slapd. It is only used
+ * on strings passed in directly from SASL. -Howard Chu, Symas Corp.
+ */
-static struct berval ext_bv = BER_BVC( "EXTERNAL" );
+#define SET_NONE 0
+#define SET_DN 1
+#define SET_U 2
-int slap_sasl_getdn( Connection *conn, char *id, int len,
+int slap_sasl_getdn( Connection *conn, Operation *op, char *id, int len,
char *user_realm, struct berval *dn, int flags )
{
- char *c1;
- int rc, is_dn = 0, do_norm = 1;
- struct berval dn2;
+ int rc, is_dn = SET_NONE, do_norm = 1;
+ struct berval dn2, *mech;
+
+ assert( conn );
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
- "slap_sasl_getdn: conn %d id=%s\n",
- conn ? conn->c_connid : -1, id ? (*id ? id : "<empty>") : "NULL", 0 );
+ "slap_sasl_getdn: conn %d id=%s [len=%d]\n",
+ conn->c_connid, id ? (*id ? id : "<empty>") : "NULL", len );
#else
- Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s\n",
- id?(*id?id:"<empty>"):"NULL",0,0 );
+ Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: id=%s [len=%d]\n",
+ id ? ( *id ? id : "<empty>" ) : "NULL", len, 0 );
#endif
+ if ( !op ) {
+ op = conn->c_sasl_bindop;
+ }
+
dn->bv_val = NULL;
dn->bv_len = 0;
len = 0;
}
+ if ( conn->c_sasl_bind_mech.bv_len ) {
+ mech = &conn->c_sasl_bind_mech;
+ } else {
+ mech = &conn->c_authmech;
+ }
+
/* An authcID needs to be converted to authzID form. Set the
* values directly into *dn; they will be normalized later. (and
* normalizing always makes a new copy.) An ID from a TLS certificate
* is already normalized, so copy it and skip normalization.
*/
if( flags & SLAP_GETDN_AUTHCID ) {
- if( conn->c_sasl_bind_mech.bv_len == ext_bv.bv_len &&
- strcasecmp( ext_bv.bv_val, conn->c_sasl_bind_mech.bv_val ) == 0 )
- {
+ if( bvmatch( mech, &ext_bv )) {
/* EXTERNAL DNs are already normalized */
do_norm = 0;
is_dn = SET_DN;
- ber_str2bv( id, len, 1, dn );
+ ber_str2bv_x( id, len, 1, dn, op->o_tmpmemctx );
} else {
/* convert to u:<username> form */
dn->bv_len = len;
}
}
- if( !is_dn ) {
+ if( is_dn == SET_NONE ) {
if( !strncasecmp( id, "u:", sizeof("u:")-1 )) {
is_dn = SET_U;
dn->bv_val = id+2;
}
/* No other possibilities from here */
- if( !is_dn ) {
+ if( is_dn == SET_NONE ) {
dn->bv_val = NULL;
dn->bv_len = 0;
return( LDAP_INAPPROPRIATE_AUTH );
/* Username strings */
if( is_dn == SET_U ) {
- char *p, *realm;
- len = dn->bv_len + sizeof("uid=")-1 + sizeof(",cn=auth")-1;
-
- /* username may have embedded realm name */
- if( ( realm = strchr( dn->bv_val, '@') ) ) {
- *realm++ = '\0';
- len += sizeof(",cn=")-2;
- } else if( user_realm && *user_realm ) {
- len += strlen( user_realm ) + sizeof(",cn=")-1;
- }
-
- if( conn->c_sasl_bind_mech.bv_len ) {
- len += conn->c_sasl_bind_mech.bv_len + sizeof(",cn=")-1;
- }
-
- /* Build the new dn */
- c1 = dn->bv_val;
- dn->bv_val = SLAP_MALLOC( len+1 );
- if( dn->bv_val == NULL ) {
-#ifdef NEW_LOGGING
- LDAP_LOG( TRANSPORT, ERR,
- "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 );
-#else
- Debug( LDAP_DEBUG_ANY,
- "slap_sasl_getdn: SLAP_MALLOC failed", 0, 0, 0 );
-#endif
- return LDAP_OTHER;
- }
- p = lutil_strcopy( dn->bv_val, "uid=" );
- p = lutil_strncopy( p, c1, dn->bv_len );
-
- if( realm ) {
- int rlen = dn->bv_len - ( realm - c1 );
- p = lutil_strcopy( p, ",cn=" );
- p = lutil_strncopy( p, realm, rlen );
- realm[-1] = '@';
- } else if( user_realm && *user_realm ) {
- p = lutil_strcopy( p, ",cn=" );
- p = lutil_strcopy( p, user_realm );
- }
-
- if( conn->c_sasl_bind_mech.bv_len ) {
- p = lutil_strcopy( p, ",cn=" );
- p = lutil_strcopy( p, conn->c_sasl_bind_mech.bv_val );
- }
- p = lutil_strcopy( p, ",cn=auth" );
- dn->bv_len = p - dn->bv_val;
-
+ /* ITS#3419: values may need escape */
+ LDAPRDN DN[ 5 ];
+ LDAPAVA *RDNs[ 4 ][ 2 ];
+ LDAPAVA AVAs[ 4 ];
+ int irdn;
+
+ irdn = 0;
+ DN[ irdn ] = RDNs[ irdn ];
+ RDNs[ irdn ][ 0 ] = &AVAs[ irdn ];
+ BER_BVSTR( &AVAs[ irdn ].la_attr, "uid" );
+ 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 ];
+ BER_BVSTR( &AVAs[ irdn ].la_attr, "cn" );
+ 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 ];
+ BER_BVSTR( &AVAs[ irdn ].la_attr, "cn" );
+ 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 ];
+ BER_BVSTR( &AVAs[ irdn ].la_attr, "cn" );
+ 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;
+ }
+
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
"slap_sasl_getdn: u:id converted to %s.\n", dn->bv_val, 0, 0 );
#else
- Debug( LDAP_DEBUG_TRACE, "getdn: u:id converted to %s\n", dn->bv_val,0,0 );
+ Debug( LDAP_DEBUG_TRACE, "slap_sasl_getdn: u:id converted to %s\n", dn->bv_val,0,0 );
#endif
+ } else {
+
+ /* Dup the DN in any case, so we don't risk
+ * leaks or dangling pointers later,
+ * and the DN value is '\0' terminated */
+ ber_dupbv_x( &dn2, dn, op->o_tmpmemctx );
+ dn->bv_val = dn2.bv_val;
}
/* All strings are in DN form now. Normalize if needed. */
if ( do_norm ) {
- rc = dnNormalize2( NULL, dn, &dn2 );
+ rc = dnNormalize( 0, NULL, NULL, dn, &dn2, op->o_tmpmemctx );
/* User DNs were constructed above and must be freed now */
- if ( is_dn == SET_U )
- ch_free( dn->bv_val );
+ sl_free( dn->bv_val, op->o_tmpmemctx );
if ( rc != LDAP_SUCCESS ) {
dn->bv_val = NULL;
}
/* Run thru regexp */
- slap_sasl2dn( conn, dn, &dn2 );
+ slap_sasl2dn( op, dn, &dn2, flags );
if( dn2.bv_val ) {
- ch_free( dn->bv_val );
+ sl_free( dn->bv_val, op->o_tmpmemctx );
*dn = dn2;
#ifdef NEW_LOGGING
LDAP_LOG( TRANSPORT, ENTRY,
projects / openldap / blobdiff