/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
- * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Copyright 1998-2007 The OpenLDAP Foundation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
#include "portable.h"
#include <stdio.h>
+#ifdef HAVE_LIMITS_H
+#include <limits.h>
+#endif
+
#include <ac/stdlib.h>
#include <ac/string.h>
#include "slap.h"
-#include <limits.h>
+#ifdef ENABLE_REWRITE
+#include <rewrite.h>
+#endif
#ifdef HAVE_CYRUS_SASL
# ifdef HAVE_SASL_SASL_H
static struct berval ext_bv = BER_BVC( "EXTERNAL" );
-int slap_sasl_config( int cargc, char **cargv, char *line,
- const char *fname, int lineno )
-{
- /* set SASL proxy authorization policy */
- if ( !strcasecmp( cargv[0], "authz-policy" ) ||
- !strcasecmp( cargv[0], "sasl-authz-policy" ))
- {
- if ( cargc != 2 ) {
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing policy in"
- " \"%s <policy>\" line\n",
- cargv[0], fname, lineno );
-
- return( 1 );
- }
- if ( slap_sasl_setpolicy( cargv[1] ) ) {
- Debug( LDAP_DEBUG_ANY, "%s: line %d: "
- "unable to parse value \"%s\" in \"authz-policy "
- "<policy>\" line.\n",
- fname, lineno, cargv[1] );
- return( 1 );
- }
-
- } else if ( !strcasecmp( cargv[0], "authz-regexp" ) ||
- !strcasecmp( cargv[0], "sasl-regexp" ) ||
- !strcasecmp( cargv[0], "saslregexp" ) )
- {
- int rc;
- if ( cargc != 3 ) {
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: need 2 args in "
- "\"authz-regexp <match> <replace>\"\n",
- fname, lineno, 0 );
-
- return( 1 );
- }
- rc = slap_sasl_regexp_config( cargv[1], cargv[2] );
- if ( rc ) {
- return rc;
- }
-
-#ifdef HAVE_CYRUS_SASL
- /* set SASL host */
- } else if ( strcasecmp( cargv[0], "sasl-host" ) == 0 ) {
- if ( cargc < 2 ) {
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: missing host in \"sasl-host <host>\" line\n",
- fname, lineno, 0 );
-
- return( 1 );
- }
-
- if ( global_host != NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: already set sasl-host!\n",
- fname, lineno, 0 );
-
- return 1;
-
- } else {
- global_host = ch_strdup( cargv[1] );
- }
-
- /* set SASL realm */
- } else if ( strcasecmp( cargv[0], "sasl-realm" ) == 0 ) {
- if ( cargc < 2 ) {
- Debug( LDAP_DEBUG_ANY, "%s: line %d: "
- "missing realm in \"sasl-realm <realm>\" line.\n",
- fname, lineno, 0 );
-
- return( 1 );
- }
-
- if ( global_realm != NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: already set sasl-realm!\n",
- fname, lineno, 0 );
-
- return 1;
-
- } else {
- global_realm = ch_strdup( cargv[1] );
- }
-
- /* SASL security properties */
- } else if ( strcasecmp( cargv[0], "sasl-secprops" ) == 0 ) {
- char *txt;
-
- if ( cargc < 2 ) {
- Debug( LDAP_DEBUG_ANY, "%s: line %d: "
- "missing flags in \"sasl-secprops <properties>\" line\n",
- fname, lineno, 0 );
-
- return 1;
- }
-
- txt = slap_sasl_secprops( cargv[1] );
- if ( txt != NULL ) {
- Debug( LDAP_DEBUG_ANY,
- "%s: line %d: sasl-secprops: %s\n",
- fname, lineno, txt );
-
- return 1;
- }
-#endif /* HAVE_CYRUS_SASL */
- }
-
- return LDAP_SUCCESS;
-}
-
#ifdef HAVE_CYRUS_SASL
int
static const char *slap_propnames[] = {
"*slapConn", "*slapAuthcDN", "*slapAuthzDN", NULL };
-static Filter generic_filter = { LDAP_FILTER_PRESENT };
+static Filter generic_filter = { LDAP_FILTER_PRESENT, { 0 }, NULL };
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 */
+#define SLAP_SASL_PROP_CONN 0
+#define SLAP_SASL_PROP_AUTHC 1
+#define SLAP_SASL_PROP_AUTHZ 2
+#define SLAP_SASL_PROP_COUNT 3 /* Number of properties we used */
typedef struct lookup_info {
int flags;
static slap_response sasl_ap_lookup;
+static struct berval sc_cleartext = BER_BVC("{CLEARTEXT}");
+
static int
sasl_ap_lookup( Operation *op, SlapReply *rs )
{
Attribute *a;
const char *text;
int rc, i;
- slap_callback *tmp = op->o_callback;
- lookup_info *sl = tmp->sc_private;
+ lookup_info *sl = (lookup_info *)op->o_callback->sc_private;
if (rs->sr_type != REP_SEARCH) return 0;
if ( sl->flags & SASL_AUXPROP_AUTHZID ) continue;
/* Skip our private properties */
if ( !strcmp( name, slap_propnames[0] )) {
- i += PROP_COUNT-1;
+ i += SLAP_SASL_PROP_COUNT - 1;
continue;
}
name++;
"slap_ap_lookup: str2ad(%s): %s\n", name, text, 0 );
continue;
}
+
+ /* If it's the rootdn and a rootpw was present, we already set
+ * it so don't override it here.
+ */
+ 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 ) ) {
sl->list[i].name );
}
for ( bv = a->a_vals; bv->bv_val; bv++ ) {
+ /* ITS#3846 don't give hashed passwords to SASL */
+ if ( ad == slap_schema.si_ad_userPassword &&
+ bv->bv_val[0] == '{' /*}*/ )
+ {
+ if ( lutil_passwd_scheme( bv->bv_val ) ) {
+ /* If it's not a recognized scheme, just assume it's
+ * a cleartext password that happened to include brackets.
+ *
+ * If it's a recognized scheme, skip this value, unless the
+ * scheme is {CLEARTEXT}. In that case, skip over the
+ * scheme name and use the remainder. If there is nothing
+ * past the scheme name, skip this value.
+ */
+#ifdef SLAPD_CLEARTEXT
+ if ( !ber_bvstrcasecmp( bv, &sc_cleartext ) ) {
+ 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 );
}
/* Find our DN and conn first */
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 ( !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) &&
- !strcmp( sl.list[i].name, slap_propnames[PROP_AUTHZ] ) ) {
+ !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHZ] ) ) {
if ( sl.list[i].values && sl.list[i].values[0] )
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 ( !strcmp( sl.list[i].name, slap_propnames[SLAP_SASL_PROP_AUTHC] ) ) {
if ( sl.list[i].values && sl.list[i].values[0] ) {
AC_MEMCPY( &op.o_req_ndn, sl.list[i].values[0], sizeof( struct berval ) );
if ( !(flags & SASL_AUXPROP_AUTHZID) )
if ( flags & SASL_AUXPROP_AUTHZID ) continue;
/* Skip our private properties */
if ( !strcmp( name, slap_propnames[0] )) {
- i += PROP_COUNT-1;
+ i += SLAP_SASL_PROP_COUNT - 1;
continue;
}
name++;
cb.sc_private = &sl;
- op.o_bd = select_backend( &op.o_req_ndn, 0, 1 );
+ op.o_bd = select_backend( &op.o_req_ndn, 1 );
+
+ if ( op.o_bd ) {
+ /* For rootdn, see if we can use the rootpw */
+ if ( be_isroot_dn( op.o_bd, &op.o_req_ndn ) &&
+ !BER_BVISEMPTY( &op.o_bd->be_rootpw )) {
+ struct berval cbv = BER_BVNULL;
+
+ /* If there's a recognized scheme, see if it's CLEARTEXT */
+ 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 )) {
+
+ /* If it's CLEARTEXT, skip past scheme spec */
+ 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;
+ }
+ }
+ /* No scheme, use the whole value */
+ } 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 && 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_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_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;
- /* FIXME: we want all attributes, right? */
- op.ors_attrs = NULL;
-
- op.o_bd->be_search( &op, &rs );
+ 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;
+ /* FIXME: we want all attributes, right? */
+ op.ors_attrs = NULL;
+
+ op.o_bd->be_search( &op, &rs );
+ }
}
}
}
/* 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 ( !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[PROP_AUTHC] ) ) {
+ if ( !strcmp( pr[i].name, slap_propnames[SLAP_SASL_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 );
+ op.o_bd = select_backend( &op.o_req_ndn, 1 );
if ( !op.o_bd || !op.o_bd->be_modify ) return SASL_FAIL;
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_values = (struct berval *)ch_malloc( (pr[i].nvalues + 1) *
sizeof(struct berval));
}
*modtail = NULL;
- rc = slap_mods_check( modlist, 0, &text, textbuf, textlen, NULL );
+ rc = slap_mods_check( &op, modlist, &text, textbuf, textlen, NULL );
if ( rc == LDAP_SUCCESS ) {
- rc = slap_mods_opattrs( &op, modlist, modtail, &text, textbuf,
- textlen, 1 );
- }
+ rc = slap_mods_no_user_mod_check( &op, modlist,
+ &text, textbuf, textlen );
- if ( rc == LDAP_SUCCESS ) {
- op.o_hdr = conn->c_sasl_bindop->o_hdr;
- op.o_tag = LDAP_REQ_MODIFY;
- 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_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;
+ if ( rc == LDAP_SUCCESS ) {
+ op.o_hdr = conn->c_sasl_bindop->o_hdr;
+ 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 /* SASL_VERSION_FULL >= 2.1.16 */
{
Connection *conn = (Connection *)context;
struct propctx *props = sasl_auxprop_getctx( sconn );
- struct propval auxvals[3];
+ struct propval auxvals[ SLAP_SASL_PROP_COUNT ] = { { 0 } };
struct berval dn;
int rc, which;
const char *names[2];
prop_request( props, slap_propnames );
if ( flags & SASL_CU_AUTHID )
- which = PROP_AUTHC;
+ which = SLAP_SASL_PROP_AUTHC;
else
- which = PROP_AUTHZ;
+ which = SLAP_SASL_PROP_AUTHZ;
/* Need to store the Connection for auxprop_lookup */
- if ( !auxvals[PROP_CONN].values ) {
- names[0] = slap_propnames[PROP_CONN];
+ 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 ) );
}
* it does authzID before the authcID. If we see that authzID
* has already been done, don't do anything special with authcID.
*/
- if ( flags == SASL_CU_AUTHID && !auxvals[PROP_AUTHZ].values ) {
+ 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 != 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, sizeof( dn ) );
-
+
Debug( LDAP_DEBUG_ARGS, "SASL Canonicalize [conn=%ld]: %s=\"%s\"\n",
conn ? conn->c_connid : -1, names[0]+1,
dn.bv_val ? dn.bv_val : "<EMPTY>" );
struct propctx *props)
{
Connection *conn = (Connection *)context;
- struct propval auxvals[3];
- struct berval authcDN, authzDN;
+ /* actually:
+ * (SLAP_SASL_PROP_COUNT - 1) because we skip "conn",
+ * + 1 for NULL termination?
+ */
+ struct propval auxvals[ SLAP_SASL_PROP_COUNT ] = { { 0 } };
+ struct berval authcDN, authzDN = BER_BVNULL;
int rc;
/* Simple Binds don't support proxy authorization, ignore it */
BER_BVZERO( &conn->c_sasl_dn );
}
- /* Skip PROP_CONN */
+ /* Skip SLAP_SASL_PROP_CONN */
prop_getnames( props, slap_propnames+1, auxvals );
/* Should not happen */
}
AC_MEMCPY( &authcDN, auxvals[0].values[0], sizeof(authcDN) );
+ conn->c_sasl_dn = authcDN;
/* Nothing to do if no authzID was given */
if ( !auxvals[1].name || !auxvals[1].values ) {
- conn->c_sasl_dn = authcDN;
goto ok;
}
AC_MEMCPY( &authzDN, auxvals[1].values[0], sizeof(authzDN) );
rc = slap_sasl_authorized( conn->c_sasl_bindop, &authcDN, &authzDN );
- ch_free( authcDN.bv_val );
if ( rc != LDAP_SUCCESS ) {
Debug( LDAP_DEBUG_TRACE, "SASL Proxy Authorize [conn=%ld]: "
"proxy authorization disallowed (%d)\n",
return SASL_NOAUTHZ;
}
- conn->c_sasl_dn = authzDN;
+ /* FIXME: we need yet another dup because slap_sasl_getdn()
+ * is using the bind operation slab */
+ if ( conn->c_sasl_bindop ) {
+ ber_dupbv( &conn->c_sasl_authz_dn, &authzDN );
+ slap_sl_free( authzDN.bv_val,
+ conn->c_sasl_bindop->o_tmpmemctx );
+
+ } else {
+ conn->c_sasl_authz_dn = authzDN;
+ }
+
ok:
if (conn->c_sasl_bindop) {
Statslog( LDAP_DEBUG_STATS,
- "conn=%lu op=%lu BIND authcid=\"%s\"\n",
- conn->c_connid, conn->c_sasl_bindop->o_opid,
- auth_identity, 0, 0);
+ "%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\n",
- (long) (conn ? conn->c_connid : -1), 0, 0 );
+ " proxy authorization allowed authzDN=\"%s\"\n",
+ (long) (conn ? conn->c_connid : -1),
+ authzDN.bv_val ? authzDN.bv_val : "", 0 );
return SASL_OK;
}
#else
const char **user,
const char **errstr)
{
- struct berval authcDN, authzDN;
+ struct berval authcDN, authzDN = BER_BVNULL;
int rc;
Connection *conn = context;
char *realm;
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
}
+ conn->c_sasl_dn = authcDN;
if( ( authzid == NULL ) || !strcmp( authcid, authzid ) ) {
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
"Using authcDN=%s\n", (long) (conn ? conn->c_connid : -1), authcDN.bv_val,0 );
- conn->c_sasl_dn = authcDN;
goto ok;
}
rc = slap_sasl_getdn( conn, NULL, &bvauthzid, realm,
&authzDN, SLAP_GETDN_AUTHZID );
if( rc != LDAP_SUCCESS ) {
- ch_free( authcDN.bv_val );
*errstr = ldap_err2string( rc );
return SASL_NOAUTHZ;
}
- rc = slap_sasl_authorized(conn->c_sasl_bindop, &authcDN, &authzDN );
- ch_free( authcDN.bv_val );
+ rc = slap_sasl_authorized( conn->c_sasl_bindop, &authcDN, &authzDN );
if( rc ) {
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
"proxy authorization disallowed (%d)\n",
ch_free( authzDN.bv_val );
return SASL_NOAUTHZ;
}
- conn->c_sasl_dn = authzDN;
+
+ /* FIXME: we need yet another dup because slap_sasl_getdn()
+ * is using the bind operation slab */
+ if ( conn->c_sasl_bindop ) {
+ ber_dupbv( &conn->c_sasl_authz_dn, &authzDN );
+ slap_sl_free( authzDN.bv_val,
+ conn->c_sasl_bindop->o_tmpmemctx );
+
+ } else {
+ conn->c_sasl_authz_dn = authzDN;
+ }
ok:
Debug( LDAP_DEBUG_TRACE, "SASL Authorize [conn=%ld]: "
- " authorization allowed\n",
- (long) (conn ? conn->c_connid : -1), 0, 0 );
+ " authorization allowed authzDN=\"%s\"\n",
+ (long) (conn ? conn->c_connid : -1),
+ authzDN.bv_val ? authzDN.bv_val : "", 0 );
- if (conn->c_sasl_bindop) {
+ if ( conn->c_sasl_bindop ) {
Statslog( LDAP_DEBUG_STATS,
- "conn=%lu op=%lu BIND authcid=\"%s\"\n",
- conn->c_connid, conn->c_sasl_bindop->o_opid,
- authcid, 0, 0);
+ "%s BIND authcid=\"%s\" authzid=\"%s\"\n",
+ conn->c_sasl_bindop->o_log_prefix,
+ authcid, authzid ? authzid : "", 0, 0 );
}
*errstr = NULL;
{
int rc;
+ /* map SASL errors to LDAP resultCode returned by:
+ * sasl_server_new()
+ * SASL_OK, SASL_NOMEM
+ * sasl_server_step()
+ * SASL_OK, SASL_CONTINUE, SASL_TRANS, SASL_BADPARAM, SASL_BADPROT,
+ * ...
+ * sasl_server_start()
+ * + SASL_NOMECH
+ * sasl_setprop()
+ * SASL_OK, SASL_BADPARAM
+ */
+
switch (saslerr) {
case SASL_OK:
rc = LDAP_SUCCESS;
rc = LDAP_SASL_BIND_IN_PROGRESS;
break;
case SASL_FAIL:
- rc = LDAP_OTHER;
- break;
case SASL_NOMEM:
rc = LDAP_OTHER;
break;
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:
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; /* NUL character in password */
+ }
+ }
+
+ if( cred->bv_val[i] != '\0' ) {
+ return LUTIL_PASSWD_ERR; /* cred must behave like a string */
+ }
+
+ for( i=0; i<passwd->bv_len; i++) {
+ if(passwd->bv_val[i] == '\0') {
+ return LUTIL_PASSWD_ERR; /* NUL character in password */
+ }
+ }
+
+ if( passwd->bv_val[i] != '\0' ) {
+ return LUTIL_PASSWD_ERR; /* passwd must behave like a string */
+ }
+
+ rtn = LUTIL_PASSWD_ERR;
+
+ ctx = ldap_pvt_thread_pool_context();
+ ldap_pvt_thread_pool_getkey( ctx, slap_sasl_bind, &sconn, NULL );
+
+ if( sconn != NULL ) {
+ int sc;
+# if SASL_VERSION_MAJOR < 2
+ sc = sasl_checkpass( sconn,
+ passwd->bv_val, passwd->bv_len,
+ cred->bv_val, cred->bv_len,
+ text );
+# else
+ sc = sasl_checkpass( sconn,
+ passwd->bv_val, passwd->bv_len,
+ cred->bv_val, cred->bv_len );
+# endif
+ rtn = ( sc != SASL_OK ) ? LUTIL_PASSWD_ERR : LUTIL_PASSWD_OK;
+ }
+
+ return rtn;
+}
+#endif /* SLAPD_SPASSWD */
+
+#endif /* HAVE_CYRUS_SASL */
+
+#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 );
+ 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 )
{ SASL_CB_LOG, &slap_sasl_log, 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
/* stringify the version number, sasl.h doesn't do it for us */
#define VSTR0(maj, min, pat) #maj "." #min "." #pat
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 " SASL_VERSION_STRING ","
- " got %s\n", version, 0, 0 );
+ " expected %s, got %s\n",
+ SASL_VERSION_STRING, version, 0 );
return -1;
}
#endif
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 );
return 0;
}
+#if SASL_VERSION_MAJOR >= 2
+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=" );
+
+ /* IPv6? */
+ if ( addr[0] == '[' ) {
+ isv6 = 1;
+ plen--;
+ }
+ ipport = ch_strdup( &addr[isv6] );
+
+ /* Convert IPv6/IPv4 addresses to address;port syntax. */
+ p = strrchr( ipport, ':' );
+ if ( p != NULL ) {
+ *p = ';';
+ if ( isv6 ) {
+ assert( p[-1] == ']' );
+ AC_MEMCPY( &p[-1], p, plen - ( p - ipport ) + 1 );
+ }
+
+ } else if ( isv6 ) {
+ /* trim ']' */
+ plen--;
+ assert( addr[plen] == ']' );
+ addr[plen] = '\0';
+ }
+
+ return ipport;
+}
+#endif
+
int slap_sasl_open( Connection *conn, int reopen )
{
int sc = LDAP_SUCCESS;
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 ( conn->c_sock_name.bv_len != 0 &&
- strncmp( conn->c_sock_name.bv_val, "IP=", 3 ) == 0) {
- char *p;
-
- iplocalport = ch_strdup( conn->c_sock_name.bv_val + 3 );
- /* Convert IPv6 addresses to address;port syntax. */
- p = strrchr( iplocalport, ' ' );
- /* Convert IPv4 addresses to address;port syntax. */
- if ( p == NULL ) p = strchr( iplocalport, ':' );
- if ( p != NULL ) {
- *p = ';';
- }
+ 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=", 3 ) == 0) {
- char *p;
-
- ipremoteport = ch_strdup( conn->c_peer_name.bv_val + 3 );
- /* Convert IPv6 addresses to address;port syntax. */
- p = strrchr( ipremoteport, ' ' );
- /* Convert IPv4 addresses to address;port syntax. */
- if ( p == NULL ) p = strchr( ipremoteport, ':' );
- if ( p != NULL ) {
- *p = ';';
- }
+ strncmp( conn->c_peer_name.bv_val, "IP=", STRLENOF( "IP=" ) ) == 0 )
+ {
+ ipremoteport = slap_sasl_peer2ipport( &conn->c_peer_name );
}
+
sc = sasl_server_new( "ldap", global_host, global_realm,
iplocalport, ipremoteport, session_callbacks, SASL_SUCCESS_DATA, &ctx );
if ( iplocalport != NULL ) {
}
} else if ( sc == SASL_CONTINUE ) {
rs->sr_err = LDAP_SASL_BIND_IN_PROGRESS,
+#if SASL_VERSION_MAJOR >= 2
+ rs->sr_text = sasl_errdetail( ctx );
+#endif
rs->sr_sasldata = &response;
send_ldap_sasl( op, rs );
} else {
+ if ( op->o_conn->c_sasl_dn.bv_len )
+ ch_free( op->o_conn->c_sasl_dn.bv_val );
+ BER_BVZERO( &op->o_conn->c_sasl_dn );
#if SASL_VERSION_MAJOR >= 2
rs->sr_text = sasl_errdetail( ctx );
#endif
}
#if SASL_VERSION_MAJOR < 2
- if( response.bv_len ) {
- ch_free( response.bv_val );
- }
+ if( response.bv_len ) ch_free( response.bv_val );
#endif
Debug(LDAP_DEBUG_TRACE, "<== slap_sasl_bind: rc=%d\n", rs->sr_err, 0, 0);
#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 )
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 **)&id.bv_val );
+ (SASL_CONST void **)(char *)&id.bv_val );
if( rs->sr_err != SASL_OK ) {
rs->sr_text = "unable to retrieve SASL username";
int rc, is_dn = SET_NONE, do_norm = 1;
struct berval dn2, *mech;
- assert( conn );
- assert( id );
+ assert( conn != NULL );
+ assert( id != NULL );
- Debug( LDAP_DEBUG_ARGS, "slap_sasl_getdn: conn %d id=%s [len=%d]\n",
+ 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 : id->bv_len ) );
+ 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 );
irdn++;
DN[ irdn ] = NULL;
- rc = ldap_dn2bv_x( DN, dn, LDAP_DN_FORMAT_LDAPV3, op->o_tmpmemctx );
+ 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 );
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_sasl_getdn: u:id converted to %s\n",
+ dn->bv_val, 0, 0 );
} else {
if( !BER_BVISNULL( &dn2 ) ) {
slap_sl_free( dn->bv_val, op->o_tmpmemctx );
*dn = dn2;
- Debug( LDAP_DEBUG_TRACE, "getdn: dn:id converted to %s\n",
+ Debug( LDAP_DEBUG_TRACE,
+ "slap_sasl_getdn: dn:id converted to %s\n",
dn->bv_val, 0, 0 );
}