openldap/servers/slapd/slapacl.c
Quanah Gibson-Mount f6ad222e41 Happy New Year!
2020-01-09 16:50:21 +00:00

412 lines
9.0 KiB
C

/* $OpenLDAP$ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
* Copyright 2004-2020 The OpenLDAP Foundation.
* Portions Copyright 2004 Pierangelo Masarati.
* 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 file LICENSE in the
* top-level directory of the distribution or, alternatively, at
* <http://www.OpenLDAP.org/license.html>.
*/
/* ACKNOWLEDGEMENTS:
* This work was initially developed by Pierangelo Masarati for inclusion
* in OpenLDAP Software.
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/ctype.h>
#include <ac/string.h>
#include <ac/socket.h>
#include <ac/unistd.h>
#include <lber.h>
#include <ldif.h>
#include <lutil.h>
#include "slapcommon.h"
static int
print_access(
Operation *op,
Entry *e,
AttributeDescription *desc,
struct berval *val,
struct berval *nval )
{
int rc;
slap_mask_t mask;
char accessmaskbuf[ACCESSMASK_MAXLEN];
rc = access_allowed_mask( op, e, desc, nval, ACL_AUTH, NULL, &mask );
fprintf( stderr, "%s%s%s: %s\n",
desc->ad_cname.bv_val,
( val && !BER_BVISNULL( val ) ) ? "=" : "",
( val && !BER_BVISNULL( val ) ) ?
( desc == slap_schema.si_ad_userPassword ?
"****" : val->bv_val ) : "",
accessmask2str( mask, accessmaskbuf, 1 ) );
return rc;
}
int
slapacl( int argc, char **argv )
{
int rc = EXIT_SUCCESS;
const char *progname = "slapacl";
Connection conn = { 0 };
Listener listener;
OperationBuffer opbuf;
Operation *op = NULL;
Entry e = { 0 }, *ep = &e;
char *attr = NULL;
int doclose = 0;
BackendDB *bd;
void *thrctx;
slap_tool_init( progname, SLAPACL, argc, argv );
if ( !dryrun ) {
int i = 0;
LDAP_STAILQ_FOREACH( bd, &backendDB, be_next ) {
if ( bd != be && backend_startup( bd ) ) {
fprintf( stderr, "backend_startup(#%d%s%s) failed\n",
i,
bd->be_suffix ? ": " : "",
bd->be_suffix ? bd->be_suffix[0].bv_val : "" );
rc = 1;
goto destroy;
}
i++;
}
}
argv = &argv[ optind ];
argc -= optind;
thrctx = ldap_pvt_thread_pool_context();
connection_fake_init( &conn, &opbuf, thrctx );
op = &opbuf.ob_op;
op->o_tmpmemctx = NULL;
conn.c_listener = &listener;
conn.c_listener_url = listener_url;
conn.c_peer_domain = peer_domain;
conn.c_peer_name = peer_name;
conn.c_sock_name = sock_name;
op->o_ssf = ssf;
op->o_transport_ssf = transport_ssf;
op->o_tls_ssf = tls_ssf;
op->o_sasl_ssf = sasl_ssf;
if ( !BER_BVISNULL( &authcID ) ) {
if ( !BER_BVISNULL( &authcDN ) ) {
fprintf( stderr, "both authcID=\"%s\" "
"and authcDN=\"%s\" provided\n",
authcID.bv_val, authcDN.bv_val );
rc = 1;
goto destroy;
}
rc = slap_sasl_getdn( &conn, op, &authcID, NULL,
&authcDN, SLAP_GETDN_AUTHCID );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "authcID: <%s> check failed %d (%s)\n",
authcID.bv_val, rc,
ldap_err2string( rc ) );
rc = 1;
goto destroy;
}
} else if ( !BER_BVISNULL( &authcDN ) ) {
struct berval ndn;
rc = dnNormalize( 0, NULL, NULL, &authcDN, &ndn, NULL );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "autchDN=\"%s\" normalization failed %d (%s)\n",
authcDN.bv_val, rc,
ldap_err2string( rc ) );
rc = 1;
goto destroy;
}
ch_free( authcDN.bv_val );
authcDN = ndn;
}
if ( !BER_BVISNULL( &authzID ) ) {
if ( !BER_BVISNULL( &authzDN ) ) {
fprintf( stderr, "both authzID=\"%s\" "
"and authzDN=\"%s\" provided\n",
authzID.bv_val, authzDN.bv_val );
rc = 1;
goto destroy;
}
rc = slap_sasl_getdn( &conn, op, &authzID, NULL,
&authzDN, SLAP_GETDN_AUTHZID );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "authzID: <%s> check failed %d (%s)\n",
authzID.bv_val, rc,
ldap_err2string( rc ) );
rc = 1;
goto destroy;
}
} else if ( !BER_BVISNULL( &authzDN ) ) {
struct berval ndn;
rc = dnNormalize( 0, NULL, NULL, &authzDN, &ndn, NULL );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "autchDN=\"%s\" normalization failed %d (%s)\n",
authzDN.bv_val, rc,
ldap_err2string( rc ) );
rc = 1;
goto destroy;
}
ch_free( authzDN.bv_val );
authzDN = ndn;
}
if ( !BER_BVISNULL( &authcDN ) ) {
fprintf( stderr, "authcDN: \"%s\"\n", authcDN.bv_val );
}
if ( !BER_BVISNULL( &authzDN ) ) {
fprintf( stderr, "authzDN: \"%s\"\n", authzDN.bv_val );
}
if ( !BER_BVISNULL( &authzDN ) ) {
op->o_dn = authzDN;
op->o_ndn = authzDN;
if ( !BER_BVISNULL( &authcDN ) ) {
op->o_conn->c_dn = authcDN;
op->o_conn->c_ndn = authcDN;
} else {
op->o_conn->c_dn = authzDN;
op->o_conn->c_ndn = authzDN;
}
} else if ( !BER_BVISNULL( &authcDN ) ) {
op->o_conn->c_dn = authcDN;
op->o_conn->c_ndn = authcDN;
op->o_dn = authcDN;
op->o_ndn = authcDN;
}
assert( !BER_BVISNULL( &baseDN ) );
rc = dnPrettyNormal( NULL, &baseDN, &e.e_name, &e.e_nname, NULL );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "base=\"%s\" normalization failed %d (%s)\n",
baseDN.bv_val, rc,
ldap_err2string( rc ) );
rc = 1;
goto destroy;
}
op->o_bd = be;
if ( op->o_bd == NULL ) {
/* NOTE: if no database could be found (e.g. because
* accessing the rootDSE or so), use the frontendDB
* rules; might need work */
op->o_bd = frontendDB;
}
if ( !dryrun ) {
ID id;
if ( be == NULL ) {
fprintf( stderr, "%s: no target database "
"has been found for baseDN=\"%s\"; "
"you may try with \"-u\" (dry run).\n",
baseDN.bv_val, progname );
rc = 1;
goto destroy;
}
if ( !be->be_entry_open ||
!be->be_entry_close ||
!be->be_dn2id_get ||
!be->be_entry_get )
{
fprintf( stderr, "%s: target database "
"doesn't support necessary operations; "
"you may try with \"-u\" (dry run).\n",
progname );
rc = 1;
goto destroy;
}
if ( be->be_entry_open( be, 0 ) != 0 ) {
fprintf( stderr, "%s: could not open database.\n",
progname );
rc = 1;
goto destroy;
}
doclose = 1;
id = be->be_dn2id_get( be, &e.e_nname );
if ( id == NOID ) {
fprintf( stderr, "%s: unable to fetch ID of DN \"%s\"\n",
progname, e.e_nname.bv_val );
rc = 1;
goto destroy;
}
ep = be->be_entry_get( be, id );
if ( ep == NULL ) {
fprintf( stderr, "%s: unable to fetch entry \"%s\" (%lu)\n",
progname, e.e_nname.bv_val, id );
rc = 1;
goto destroy;
}
if ( argc == 0 ) {
Attribute *a;
(void)print_access( op, ep, slap_schema.si_ad_entry, NULL, NULL );
(void)print_access( op, ep, slap_schema.si_ad_children, NULL, NULL );
for ( a = ep->e_attrs; a; a = a->a_next ) {
int i;
for ( i = 0; !BER_BVISNULL( &a->a_nvals[ i ] ); i++ ) {
(void)print_access( op, ep, a->a_desc,
&a->a_vals[ i ],
&a->a_nvals[ i ] );
}
}
}
}
for ( ; argc--; argv++ ) {
slap_mask_t mask;
AttributeDescription *desc = NULL;
struct berval val = BER_BVNULL,
*valp = NULL;
const char *text;
char accessmaskbuf[ACCESSMASK_MAXLEN];
char *accessstr;
slap_access_t access = ACL_AUTH;
if ( attr == NULL ) {
attr = argv[ 0 ];
}
val.bv_val = strchr( attr, ':' );
if ( val.bv_val != NULL ) {
val.bv_val[0] = '\0';
val.bv_val++;
val.bv_len = strlen( val.bv_val );
valp = &val;
}
accessstr = strchr( attr, '/' );
if ( accessstr != NULL ) {
int invalid = 0;
accessstr[0] = '\0';
accessstr++;
access = str2access( accessstr );
switch ( access ) {
case ACL_INVALID_ACCESS:
fprintf( stderr, "unknown access \"%s\" for attribute \"%s\"\n",
accessstr, attr );
invalid = 1;
break;
case ACL_NONE:
fprintf( stderr, "\"none\" not allowed for attribute \"%s\"\n",
attr );
invalid = 1;
break;
default:
break;
}
if ( invalid ) {
if ( continuemode ) {
continue;
}
break;
}
}
rc = slap_str2ad( attr, &desc, &text );
if ( rc != LDAP_SUCCESS ) {
fprintf( stderr, "slap_str2ad(%s) failed %d (%s)\n",
attr, rc, ldap_err2string( rc ) );
if ( continuemode ) {
continue;
}
break;
}
rc = access_allowed_mask( op, ep, desc, valp, access,
NULL, &mask );
if ( accessstr ) {
fprintf( stderr, "%s access to %s%s%s: %s\n",
accessstr,
desc->ad_cname.bv_val,
val.bv_val ? "=" : "",
val.bv_val ? val.bv_val : "",
rc ? "ALLOWED" : "DENIED" );
} else {
fprintf( stderr, "%s%s%s: %s\n",
desc->ad_cname.bv_val,
val.bv_val ? "=" : "",
val.bv_val ? val.bv_val : "",
accessmask2str( mask, accessmaskbuf, 1 ) );
}
rc = 0;
attr = NULL;
}
destroy:;
if ( !BER_BVISNULL( &e.e_name ) ) {
ber_memfree( e.e_name.bv_val );
}
if ( !BER_BVISNULL( &e.e_nname ) ) {
ber_memfree( e.e_nname.bv_val );
}
if ( !dryrun && be ) {
if ( ep && ep != &e ) {
be_entry_release_r( op, ep );
}
if ( doclose ) {
be->be_entry_close( be );
}
LDAP_STAILQ_FOREACH( bd, &backendDB, be_next ) {
if ( bd != be ) {
backend_shutdown( bd );
}
}
}
if ( slap_tool_destroy())
rc = EXIT_FAILURE;
return rc;
}