]> git.sur5r.net Git - openldap/commitdiff
restrictops, requires, disallow knobs; ssf acls; and misc other changes
authorKurt Zeilenga <kurt@openldap.org>
Mon, 28 Aug 2000 18:38:48 +0000 (18:38 +0000)
committerKurt Zeilenga <kurt@openldap.org>
Mon, 28 Aug 2000 18:38:48 +0000 (18:38 +0000)
man pages to follow...

16 files changed:
servers/slapd/acl.c
servers/slapd/aclparse.c
servers/slapd/add.c
servers/slapd/backend.c
servers/slapd/bind.c
servers/slapd/compare.c
servers/slapd/config.c
servers/slapd/connection.c
servers/slapd/delete.c
servers/slapd/filter.c
servers/slapd/modify.c
servers/slapd/modrdn.c
servers/slapd/passwd.c
servers/slapd/proto-slap.h
servers/slapd/search.c
servers/slapd/slap.h

index f5dbbcd75f99d6905c177bdaa4ad8eca83e12b1e..2e18ce48b2c3859ffa3fb6a1cdc4ebd92d751bbb 100644 (file)
@@ -636,6 +636,45 @@ acl_mask(
                        }
                }
 
+               if ( b->a_authz.sai_ssf ) {
+                       Debug( LDAP_DEBUG_ACL, "<= check a_authz.sai_ssf: %ud\n",
+                               b->a_authz.sai_ssf, 0, 0 );
+
+                       if ( b->a_authz.sai_ssf >  op->o_ssf ) {
+                               continue;
+                       }
+               }
+
+               if ( b->a_authz.sai_transport_ssf ) {
+                       Debug( LDAP_DEBUG_ACL,
+                               "<= check a_authz.sai_transport_ssf: %ud\n",
+                               b->a_authz.sai_transport_ssf, 0, 0 );
+
+                       if ( b->a_authz.sai_transport_ssf >  op->o_transport_ssf ) {
+                               continue;
+                       }
+               }
+
+               if ( b->a_authz.sai_tls_ssf ) {
+                       Debug( LDAP_DEBUG_ACL,
+                               "<= check a_authz.sai_tls_ssf: %ud\n",
+                               b->a_authz.sai_tls_ssf, 0, 0 );
+
+                       if ( b->a_authz.sai_tls_ssf >  op->o_tls_ssf ) {
+                               continue;
+                       }
+               }
+
+               if ( b->a_authz.sai_sasl_ssf ) {
+                       Debug( LDAP_DEBUG_ACL,
+                               "<= check a_authz.sai_sasl_ssf: %ud\n",
+                               b->a_authz.sai_sasl_ssf, 0, 0 );
+
+                       if ( b->a_authz.sai_sasl_ssf >  op->o_sasl_ssf ) {
+                               continue;
+                       }
+               }
+
 #ifdef SLAPD_ACI_ENABLED
                if ( b->a_aci_at != NULL ) {
                        Attribute       *at;
index ea8f6b9eedee98bec83263dda809dc09062e6937..54661b75dad86b360540a5545ae934768985ed8d 100644 (file)
@@ -672,6 +672,110 @@ parse_acl(
                                }
 #endif /* SLAPD_ACI_ENABLED */
 
+                               if ( strcasecmp( left, "ssf" ) == 0 ) {
+                                       if( b->a_authz.sai_ssf ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: ssf attribute already specified.\n",
+                                                       fname, lineno );
+                                               acl_usage();
+                                       }
+
+                                       if ( right == NULL || *right == '\0' ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: no ssf is defined\n",
+                                                       fname, lineno );
+                                               acl_usage();
+                                       }
+
+                                       b->a_authz.sai_ssf = atoi( right );
+
+                                       if( !b->a_authz.sai_ssf ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: invalid ssf value (%s)\n",
+                                                       fname, lineno, right );
+                                               acl_usage();
+                                       }
+                                       continue;
+                               }
+
+                               if ( strcasecmp( left, "transport_ssf" ) == 0 ) {
+                                       if( b->a_authz.sai_transport_ssf ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: transport_ssf attribute already specified.\n",
+                                                       fname, lineno );
+                                               acl_usage();
+                                       }
+
+                                       if ( right == NULL || *right == '\0' ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: no transport_ssf is defined\n",
+                                                       fname, lineno );
+                                               acl_usage();
+                                       }
+
+                                       b->a_authz.sai_transport_ssf = atoi( right );
+
+                                       if( !b->a_authz.sai_transport_ssf ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: invalid transport_ssf value (%s)\n",
+                                                       fname, lineno, right );
+                                               acl_usage();
+                                       }
+                                       continue;
+                               }
+
+                               if ( strcasecmp( left, "tls_ssf" ) == 0 ) {
+                                       if( b->a_authz.sai_tls_ssf ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: tls_ssf attribute already specified.\n",
+                                                       fname, lineno );
+                                               acl_usage();
+                                       }
+
+                                       if ( right == NULL || *right == '\0' ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: no tls_ssf is defined\n",
+                                                       fname, lineno );
+                                               acl_usage();
+                                       }
+
+                                       b->a_authz.sai_tls_ssf = atoi( right );
+
+                                       if( !b->a_authz.sai_tls_ssf ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: invalid tls_ssf value (%s)\n",
+                                                       fname, lineno, right );
+                                               acl_usage();
+                                       }
+                                       continue;
+                               }
+
+                               if ( strcasecmp( left, "sasl_ssf" ) == 0 ) {
+                                       if( b->a_authz.sai_sasl_ssf ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: sasl_ssf attribute already specified.\n",
+                                                       fname, lineno );
+                                               acl_usage();
+                                       }
+
+                                       if ( right == NULL || *right == '\0' ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: no sasl_ssf is defined\n",
+                                                       fname, lineno );
+                                               acl_usage();
+                                       }
+
+                                       b->a_authz.sai_sasl_ssf = atoi( right );
+
+                                       if( !b->a_authz.sai_sasl_ssf ) {
+                                               fprintf( stderr,
+                                                       "%s: line %d: invalid sasl_ssf value (%s)\n",
+                                                       fname, lineno, right );
+                                               acl_usage();
+                                       }
+                                       continue;
+                               }
+
                                if( right != NULL ) {
                                        /* unsplit */
                                        right[-1] = '=';
@@ -969,6 +1073,7 @@ acl_usage( void )
 #ifdef SLAPD_ACI_ENABLED
                        "\t[aci=<attrname>]\n"
 #endif
+                       "\t[ssf=<n>] [transport_ssf=<n>] [tls_ssf=<n>] [sasl_ssf=<n>]\n"
                "<access> ::= [self]{<level>|<priv>}\n"
                "<level> ::= none | auth | compare | search | read | write\n"
                "<priv> ::= {=|+|-}{w|r|s|c|x}+\n"
@@ -1129,6 +1234,24 @@ print_access( Access *b )
        }
 #endif
 
+       /* Security Strength Factors */
+       if ( b->a_authz.sai_ssf ) {
+               fprintf( stderr, " ssf=%ud",
+                       b->a_authz.sai_ssf );
+       }
+       if ( b->a_authz.sai_transport_ssf ) {
+               fprintf( stderr, " transport_ssf=%ud",
+                       b->a_authz.sai_transport_ssf );
+       }
+       if ( b->a_authz.sai_tls_ssf ) {
+               fprintf( stderr, " tls_ssf=%ud",
+                       b->a_authz.sai_tls_ssf );
+       }
+       if ( b->a_authz.sai_sasl_ssf ) {
+               fprintf( stderr, " sasl_ssf=%ud",
+                       b->a_authz.sai_sasl_ssf );
+       }
+
        fprintf( stderr, " %s%s",
                b->a_dn_self ? "self" : "",
                accessmask2str( b->a_access_mask, maskbuf ) );
index d159ea8631279996900a567441c3727be96f8b21..de88b57f869983f373fd46b37ade7f8f591f8eac 100644 (file)
@@ -154,8 +154,8 @@ do_add( Connection *conn, Operation *op )
                goto done;
        }
 
-       /* make sure this backend recongizes critical controls */
-       rc = backend_check_controls( be, conn, op, &text ) ;
+       /* check restrictions */
+       rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
        if( rc != LDAP_SUCCESS ) {
                send_ldap_result( conn, op, rc,
                        NULL, text, NULL, NULL );
@@ -168,14 +168,6 @@ do_add( Connection *conn, Operation *op )
                goto done;
        }
 
-       if ( global_readonly || be->be_readonly ) {
-               Debug( LDAP_DEBUG_ANY, "do_add: database is read-only\n",
-                      0, 0, 0 );
-               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
-                       NULL, "directory is read-only", NULL, NULL );
-               goto done;
-       }
-
        /*
         * do the add if 1 && (2 || 3)
         * 1) there is an add function implemented in this backend;
index b57bd3684da0c0545259c9d088efddf689486553..ca38d9f330b480bb3d487eb50bc0f3eddb15fd47 100644 (file)
 #ifdef SLAPD_TCL
 #include "back-tcl/external.h"
 #endif
-#ifdef SLAPD_NTDOMAIN
-#include "back-domain/external.h"
-#endif
 #ifdef SLAPD_SQL
 #include "back-sql/external.h"
 #endif
+#ifdef SLAPD_PRIVATE
+#include "private/external.h"
+#endif
 
 static BackendInfo binfo[] = {
 #if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC)
@@ -68,11 +68,12 @@ static BackendInfo binfo[] = {
 #if defined(SLAPD_TCL) && !defined(SLAPD_TCL_DYNAMIC)
        {"tcl",         tcl_back_initialize},
 #endif
-#if defined(SLAPD_NTDOMAIN) && !defined(SLAPD_NTDOMAIN_DYNAMIC)
-       {"ntdom",       domain_back_initialize},
-#endif
 #if defined(SLAPD_SQL) && !defined(SLAPD_SQL_DYNAMIC)
        {"sql",         sql_back_initialize},
+#endif
+       /* for any private backend */
+#if defined(SLAPD_PRIVATE) && !defined(SLAPD_PRIVATE_DYNAMIC)
+       {"private",     private_back_initialize},
 #endif
        {NULL}
 };
@@ -393,6 +394,9 @@ backend_db_init(
        be->be_timelimit = deftime;
        be->be_dfltaccess = global_default_access;
 
+       be->be_restrictops = global_restrictops;
+       be->be_requires = global_requires;
+
        /* assign a default depth limit for alias deref */
        be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH; 
 
@@ -584,7 +588,7 @@ backend_connection_destroy(
        return 0;
 }
 
-int
+static int
 backend_check_controls(
        Backend *be,
        Connection *conn,
@@ -609,6 +613,183 @@ backend_check_controls(
        return LDAP_SUCCESS;
 }
 
+int
+backend_check_restrictions(
+       Backend *be,
+       Connection *conn,
+       Operation *op,
+       const char *extoid,
+       const char **text )
+{
+       int rc;
+       slap_mask_t restrictops;
+       slap_mask_t requires;
+       slap_mask_t opflag;
+       slap_ssf_set_t *ssf;
+       int updateop = 0;
+
+       if( be ) {
+               rc = backend_check_controls( be, conn, op, text );
+
+               if( rc != LDAP_SUCCESS ) {
+                       return rc;
+               }
+
+               restrictops = be->be_restrictops;
+               requires = be->be_requires;
+               ssf = &be->be_ssf_set;
+
+       } else {
+               restrictops = global_restrictops;
+               requires = global_requires;
+               ssf = &global_ssf_set;
+       }
+
+       switch( op->o_tag ) {
+       case LDAP_REQ_ADD:
+               opflag = SLAP_RESTRICT_OP_ADD;
+               updateop++;
+               break;
+       case LDAP_REQ_BIND:
+               opflag = SLAP_RESTRICT_OP_BIND;
+               break;
+       case LDAP_REQ_COMPARE:
+               opflag = SLAP_RESTRICT_OP_COMPARE;
+               break;
+       case LDAP_REQ_DELETE:
+               updateop++;
+               opflag = SLAP_RESTRICT_OP_DELETE;
+               break;
+       case LDAP_REQ_EXTENDED:
+               opflag = SLAP_RESTRICT_OP_EXTENDED;
+               break;
+       case LDAP_REQ_MODIFY:
+               updateop++;
+               opflag = SLAP_RESTRICT_OP_MODIFY;
+               break;
+       case LDAP_REQ_RENAME:
+               updateop++;
+               opflag = SLAP_RESTRICT_OP_RENAME;
+               break;
+       case LDAP_REQ_SEARCH:
+               opflag = SLAP_RESTRICT_OP_SEARCH;
+               break;
+       case LDAP_REQ_UNBIND:
+               opflag = 0;
+               break;
+       default:
+               *text = "restrict operations internal error";
+               return LDAP_OTHER;
+       }
+
+       if( ( extoid == NULL || strcmp( extoid, LDAP_EXOP_START_TLS ) )
+               && op->o_tag != LDAP_REQ_BIND )
+       {
+               /* these checks don't apply to bind nor StartTLS */
+
+               if( op->o_tag == LDAP_REQ_EXTENDED ) {
+                       /* threat other extended operations as update ops */
+                       updateop++;
+               }
+
+               if( op->o_ssf < ssf->sss_ssf ) {
+                       *text = "confidentiality required";
+                       return LDAP_CONFIDENTIALITY_REQUIRED;
+               }
+               if( op->o_transport_ssf < ssf->sss_transport ) {
+                       *text = "transport confidentiality required";
+                       return LDAP_CONFIDENTIALITY_REQUIRED;
+               }
+               if( op->o_tls_ssf < ssf->sss_tls ) {
+                       *text = "TLS confidentiality required";
+                       return LDAP_CONFIDENTIALITY_REQUIRED;
+               }
+               if( op->o_sasl_ssf < ssf->sss_sasl ) {
+                       *text = "SASL confidentiality required";
+                       return LDAP_CONFIDENTIALITY_REQUIRED;
+               }
+
+               if( updateop ) {
+                       if( op->o_ssf < ssf->sss_update_ssf ) {
+                               *text = "update confidentiality required";
+                               return LDAP_CONFIDENTIALITY_REQUIRED;
+                       }
+                       if( op->o_transport_ssf < ssf->sss_update_transport ) {
+                               *text = "transport update confidentiality required";
+                               return LDAP_CONFIDENTIALITY_REQUIRED;
+                       }
+                       if( op->o_tls_ssf < ssf->sss_update_tls ) {
+                               *text = "TLS update confidentiality required";
+                               return LDAP_CONFIDENTIALITY_REQUIRED;
+                       }
+                       if( op->o_sasl_ssf < ssf->sss_update_sasl ) {
+                               *text = "SASL update confidentiality required";
+                               return LDAP_CONFIDENTIALITY_REQUIRED;
+                       }
+               }
+
+               if( requires & SLAP_REQUIRE_STRONG ) {
+                       /* should check mechanism */
+                       if( op->o_authmech == NULL ||
+                               op->o_dn == NULL || *op->o_dn == '\0' )
+                       {
+                               *text = "SASL authentication required";
+                               return LDAP_STRONG_AUTH_REQUIRED;
+                       }
+               }
+
+               if( requires & SLAP_REQUIRE_SASL ) {
+                       if( op->o_authmech == NULL ||
+                               op->o_dn == NULL || *op->o_dn == '\0' )
+                       {
+                               *text = "SASL authentication required";
+                               return LDAP_STRONG_AUTH_REQUIRED;
+                       }
+               }
+                       
+               if( requires & SLAP_REQUIRE_AUTHC ) {
+                       if( op->o_dn == NULL || *op->o_dn == '\0' ) {
+                               *text = "authentication required";
+                               return LDAP_UNWILLING_TO_PERFORM;
+                       }
+               }
+
+               if( requires & SLAP_REQUIRE_BIND ) {
+                       int version;
+                       ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+                       version = conn->c_protocol;
+                       ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+
+                       if( !version ) {
+                               /* no bind has occurred */
+                               *text = "BIND required";
+                               return LDAP_OPERATIONS_ERROR;
+                       }
+               }
+
+               if( requires & SLAP_REQUIRE_LDAP_V3 ) {
+                       if( op->o_protocol < LDAP_VERSION3 ) {
+                               /* no bind has occurred */
+                               *text = "operation restricted to LDAPv3 clients";
+                               return LDAP_OPERATIONS_ERROR;
+                       }
+               }
+       }
+
+       if( restrictops & opflag ) {
+               if( (restrictops & SLAP_RESTRICT_OP_READS)
+                       == SLAP_RESTRICT_OP_READS )
+               {
+                       *text = "read operations restricted";
+               } else {
+                       *text = "operation restricted";
+               }
+               return LDAP_UNWILLING_TO_PERFORM;
+       }
+
+       return LDAP_SUCCESS;
+}
+
 int backend_check_referrals(
        Backend *be,
        Connection *conn,
index 294c851ce7388a37ef908002d70f3d226f570e5f..446104f6edade3a69d332a02eebe4ddd6ec0050e 100644 (file)
@@ -59,6 +59,11 @@ do_bind(
         * Force to connection to "anonymous" until bind succeeds.
         */
 
+       if ( conn->c_authmech != NULL ) {
+               free( conn->c_authmech );
+               conn->c_authmech = NULL;
+       }
+
        if ( conn->c_cdn != NULL ) {
                free( conn->c_cdn );
                conn->c_cdn = NULL;
@@ -175,6 +180,13 @@ do_bind(
                send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
                        NULL, "requested protocol version not supported", NULL, NULL );
                goto cleanup;
+
+       } else if (( global_disallows & SLAP_DISALLOW_BIND_V2 ) &&
+               version < LDAP_VERSION3 )
+       {
+               send_ldap_result( conn, op, rc = LDAP_PROTOCOL_ERROR,
+                       NULL, "requested protocol version not allowed", NULL, NULL );
+               goto cleanup;
        }
 
        /* we set connection version regardless of whether bind succeeds
@@ -269,12 +281,34 @@ do_bind(
 
        /* accept "anonymous" binds */
        if ( cred.bv_len == 0 || ndn == NULL || *ndn == '\0' ) {
+               rc = LDAP_SUCCESS;
+               text = NULL;
+
+               if( cred.bv_len &&
+                       ( global_disallows & SLAP_DISALLOW_BIND_ANON_CRED ))
+               {
+                       /* cred is not empty, disallow */
+                       rc = LDAP_INVALID_CREDENTIALS;
+
+               } else if ( ndn != NULL && *ndn != '\0' &&
+                       ( global_disallows & SLAP_DISALLOW_BIND_ANON_DN ))
+               {
+                       /* DN is not empty, disallow */
+                       rc = LDAP_UNWILLING_TO_PERFORM;
+                       text = "unwilling to allow anonymous bind with non-empty DN";
+
+               } else if ( global_disallows & SLAP_DISALLOW_BIND_ANON ) {
+                       /* disallow */
+                       rc = LDAP_UNWILLING_TO_PERFORM;
+                       text = "anonymous bind disallowed";
+               }
+
                /*
                 * we already forced connection to "anonymous",
                 * just need to send success
                 */
-               send_ldap_result( conn, op, LDAP_SUCCESS,
-                       NULL, NULL, NULL, NULL );
+               send_ldap_result( conn, op, rc,
+                       NULL, text, NULL, NULL );
                Debug( LDAP_DEBUG_TRACE, "do_bind: v%d anonymous bind\n",
                        version, 0, 0 );
                goto cleanup;
@@ -302,9 +336,8 @@ do_bind(
 
        conn->c_authz_backend = be;
 
-       /* make sure this backend recongizes critical controls */
-       rc = backend_check_controls( be, conn, op, &text ) ;
-
+       /* check restrictions */
+       rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
        if( rc != LDAP_SUCCESS ) {
                send_ldap_result( conn, op, rc,
                        NULL, text, NULL, NULL );
index b8c93fc132ebc05a13eff6ced07f86349cb7fbb3..4caa3be6c17cb1475ec478f7879d7baa2b22d8a6 100644 (file)
@@ -105,8 +105,8 @@ do_compare(
                goto cleanup;
        }
 
-       /* make sure this backend recongizes critical controls */
-       rc = backend_check_controls( be, conn, op, &text ) ;
+       /* check restrictions */
+       rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
        if( rc != LDAP_SUCCESS ) {
                send_ldap_result( conn, op, rc,
                        NULL, text, NULL, NULL );
index 01ee0a1cd7286ba978d251af70a07c528ce20648..86c85ccec5fa7c1215a686472136424c33f0d0b6 100644 (file)
@@ -16,7 +16,7 @@
 #include "ldap_pvt.h"
 #include "slap.h"
 
-#define MAXARGS        100
+#define MAXARGS        128
 
 /*
  * defaults for various global variables
@@ -25,7 +25,10 @@ int          defsize = SLAPD_DEFAULT_SIZELIMIT;
 int            deftime = SLAPD_DEFAULT_TIMELIMIT;
 AccessControl  *global_acl = NULL;
 slap_access_t          global_default_access = ACL_READ;
-int            global_readonly = 0;
+slap_mask_t            global_restrictops = 0;
+slap_mask_t            global_disallows = 0;
+slap_mask_t            global_requires = 0;
+slap_ssf_set_t global_ssf_set;
 char           *replogfile;
 int            global_lastmod = ON;
 int            global_idletimeout = 0;
@@ -451,15 +454,181 @@ read_config( const char *fname )
                                return( 1 );
                        }
                        if ( be == NULL ) {
-                               global_readonly = (strcasecmp( cargv[1], "on" ) == 0);
+                               if ( strcasecmp( cargv[1], "on" ) == 0 ) {
+                                       global_restrictops |= SLAP_RESTRICT_OP_WRITES;
+                               } else {
+                                       global_restrictops &= ~SLAP_RESTRICT_OP_WRITES;
+                               }
                        } else {
                                if ( strcasecmp( cargv[1], "on" ) == 0 ) {
-                                       be->be_readonly = 1;
+                                       be->be_restrictops |= SLAP_RESTRICT_OP_WRITES;
                                } else {
-                                       be->be_readonly = 0;
+                                       be->be_restrictops &= ~SLAP_RESTRICT_OP_WRITES;
+                               }
+                       }
+
+
+               /* disallow these features */
+               } else if ( strcasecmp( cargv[0], "disallows" ) == 0 ||
+                       strcasecmp( cargv[0], "disallow" ) == 0 )
+               {
+                       slap_mask_t     disallows;
+
+                       if ( be != NULL ) {
+                               Debug( LDAP_DEBUG_ANY,
+"%s: line %d: disallow line must appear prior to database definitions\n",
+                                   fname, lineno, 0 );
+                       }
+
+                       if ( cargc < 2 ) {
+                               Debug( LDAP_DEBUG_ANY,
+           "%s: line %d: missing feature(s) in \"disallows <features>\" line\n",
+                                   fname, lineno, 0 );
+                               return( 1 );
+                       }
+
+                       disallows = 0;
+
+                       for( i=1; i < cargc; i++ ) {
+                               if( strcasecmp( cargv[i], "bind_v2" ) == 0 ) {
+                                       disallows |= SLAP_DISALLOW_BIND_V2;
+
+                               } else if( strcasecmp( cargv[i], "bind_anon_cred" ) == 0 ) {
+                                       disallows |= SLAP_DISALLOW_BIND_ANON_CRED;
+
+                               } else if( strcasecmp( cargv[i], "bind_anon_dn" ) == 0 ) {
+                                       disallows |= SLAP_DISALLOW_BIND_ANON_DN;
+
+                               } else if( strcasecmp( cargv[i], "none" ) != 0 ) {
+                                       Debug( LDAP_DEBUG_ANY,
+                   "%s: line %d: unknown feature %s in \"disallow <features>\" line\n",
+                                           fname, lineno, cargv[i] );
+                                       return( 1 );
                                }
                        }
 
+                       global_disallows = disallows;
+
+               /* require these features */
+               } else if ( strcasecmp( cargv[0], "requires" ) == 0 ||
+                       strcasecmp( cargv[0], "require" ) == 0 )
+               {
+                       slap_mask_t     requires;
+
+                       if ( cargc < 2 ) {
+                               Debug( LDAP_DEBUG_ANY,
+           "%s: line %d: missing feature(s) in \"requires <features>\" line\n",
+                                   fname, lineno, 0 );
+                               return( 1 );
+                       }
+
+                       requires = 0;
+
+                       for( i=1; i < cargc; i++ ) {
+                               if( strcasecmp( cargv[i], "bind" ) == 0 ) {
+                                       requires |= SLAP_REQUIRE_BIND;
+
+                               } else if( strcasecmp( cargv[i], "LDAPv3" ) == 0 ) {
+                                       requires |= SLAP_REQUIRE_LDAP_V3;
+
+                               } else if( strcasecmp( cargv[i], "authc" ) == 0 ) {
+                                       requires |= SLAP_REQUIRE_AUTHC;
+
+                               } else if( strcasecmp( cargv[i], "SASL" ) == 0 ) {
+                                       requires |= SLAP_REQUIRE_SASL;
+
+                               } else if( strcasecmp( cargv[i], "strong" ) == 0 ) {
+                                       requires |= SLAP_REQUIRE_STRONG;
+
+                               } else if( strcasecmp( cargv[i], "none" ) != 0 ) {
+                                       Debug( LDAP_DEBUG_ANY,
+                   "%s: line %d: unknown feature %s in \"requires <features>\" line\n",
+                                           fname, lineno, cargv[i] );
+                                       return( 1 );
+                               }
+                       }
+
+                       if ( be == NULL ) {
+                               global_requires = requires;
+                       } else {
+                               be->be_requires = requires;
+                       }
+
+               /* required security factors */
+               } else if ( strcasecmp( cargv[0], "security" ) == 0 ) {
+                       slap_ssf_set_t *set;
+
+                       if ( cargc < 2 ) {
+                               Debug( LDAP_DEBUG_ANY,
+           "%s: line %d: missing factor(s) in \"security <factors>\" line\n",
+                                   fname, lineno, 0 );
+                               return( 1 );
+                       }
+
+                       if ( be == NULL ) {
+                               set = &global_ssf_set;
+                       } else {
+                               set = &be->be_ssf_set;
+                       }
+
+                       for( i=1; i < cargc; i++ ) {
+                               if( strncasecmp( cargv[i], "ssf=",
+                                       sizeof("ssf") ) == 0 )
+                               {
+                                       set->sss_ssf =
+                                               atoi( &cargv[i][sizeof("ssf")] );
+
+                               } else if( strncasecmp( cargv[i], "transport=",
+                                       sizeof("transport") ) == 0 )
+                               {
+                                       set->sss_transport =
+                                               atoi( &cargv[i][sizeof("transport")] );
+
+                               } else if( strncasecmp( cargv[i], "tls=",
+                                       sizeof("tls") ) == 0 )
+                               {
+                                       set->sss_tls =
+                                               atoi( &cargv[i][sizeof("tls")] );
+
+                               } else if( strncasecmp( cargv[i], "sasl=",
+                                       sizeof("sasl") ) == 0 )
+                               {
+                                       set->sss_sasl =
+                                               atoi( &cargv[i][sizeof("sasl")] );
+
+                               } else if( strncasecmp( cargv[i], "update_ssf=",
+                                       sizeof("update_ssf") ) == 0 )
+                               {
+                                       set->sss_update_ssf =
+                                               atoi( &cargv[i][sizeof("update_ssf")] );
+
+                               } else if( strncasecmp( cargv[i], "update_transport=",
+                                       sizeof("update_transport") ) == 0 )
+                               {
+                                       set->sss_update_transport =
+                                               atoi( &cargv[i][sizeof("update_transport")] );
+
+                               } else if( strncasecmp( cargv[i], "update_tls=",
+                                       sizeof("update_tls") ) == 0 )
+                               {
+                                       set->sss_update_tls =
+                                               atoi( &cargv[i][sizeof("update_tls")] );
+
+                               } else if( strncasecmp( cargv[i], "update_sasl=",
+                                       sizeof("update_sasl") ) == 0 )
+                               {
+                                       set->sss_update_sasl =
+                                               atoi( &cargv[i][sizeof("update_sasl")] );
+
+                               } else {
+                                       Debug( LDAP_DEBUG_ANY,
+                   "%s: line %d: unknown feature %s in \"requires <features>\" line\n",
+                                           fname, lineno, cargv[i] );
+                                       return( 1 );
+                               }
+                       }
+
+               
                /* where to send clients when we don't hold it */
                } else if ( strcasecmp( cargv[0], "referral" ) == 0 ) {
                        if ( cargc < 2 ) {
@@ -556,7 +725,12 @@ read_config( const char *fname )
                                    fname, lineno, 0 );
                                return( 1 );
                        }
-                       ldap_syslog = atoi( cargv[1] );
+
+                       ldap_syslog = 0;
+
+                       for( i=1; i < cargc; i++ ) {
+                               ldap_syslog += atoi( cargv[1] );
+                       }
 
                /* list of replicas of the data in this backend (master only) */
                } else if ( strcasecmp( cargv[0], "replica" ) == 0 ) {
index 4d2c62ef2e7974f729e465d0b2f99afc40e5c3cb..ecb3b69b70aeffd8267f7db59e3c732bef376e16 100644 (file)
@@ -425,8 +425,8 @@ long connection_init(
        c->c_n_read = 0;
        c->c_n_write = 0;
 
-       /* assume LDAPv3 until bind */
-       c->c_protocol = LDAP_VERSION3;
+       /* set to zero until bind, implies LDAP_VERSION3 */
+       c->c_protocol = 0;
 
     c->c_activitytime = c->c_starttime = slap_get_time();
 
@@ -449,6 +449,9 @@ long connection_init(
     c->c_conn_state = SLAP_C_INACTIVE;
     c->c_struct_state = SLAP_C_USED;
 
+       c->c_ssf = c->c_transport_ssf = ssf;
+       c->c_tls_ssf = 0;
+
 #ifdef HAVE_TLS
     if ( use_tls ) {
            c->c_is_tls = 1;
@@ -458,6 +461,7 @@ long connection_init(
            c->c_needs_tls_accept = 0;
     }
 #endif
+
        slap_sasl_open( c );
        slap_sasl_external( c, ssf, authid );
 
@@ -922,16 +926,20 @@ int connection_read(ber_socket_t s)
 
                } else if ( rc == 0 ) {
                        void *ssl;
-                       slap_ssf_t ssf;
                        char *authid;
 
                        c->c_needs_tls_accept = 0;
 
                        /* we need to let SASL know */
                        ssl = (void *)ldap_pvt_tls_sb_handle( c->c_sb );
-                       ssf = (slap_ssf_t) ldap_pvt_tls_get_strength( ssl );
+
+                       c->c_tls_ssf = (slap_ssf_t) ldap_pvt_tls_get_strength( ssl );
+                       if( c->c_tls_ssf > c->c_ssf ) {
+                               c->c_ssf = c->c_tls_ssf;
+                       }
+
                        authid = (char *)ldap_pvt_tls_get_peer( ssl );
-                       slap_sasl_external( c, ssf, authid );
+                       slap_sasl_external( c, c->c_tls_ssf, authid );
                }
                connection_return( c );
                ldap_pvt_thread_mutex_unlock( &connections_mutex );
@@ -1143,7 +1151,8 @@ static int connection_op_activate( Connection *conn, Operation *op )
        arg->co_op->o_ndn = ch_strdup( arg->co_op->o_dn );
        (void) dn_normalize( arg->co_op->o_ndn );
 
-       arg->co_op->o_protocol = conn->c_protocol;
+       arg->co_op->o_protocol = conn->c_protocol
+               ? conn->c_protocol : LDAP_VERSION3;
        arg->co_op->o_connid = conn->c_connid;
 
        arg->co_op->o_authtype = conn->c_authtype;
index d086e1fde1c6ed943e693cafdfab458e35adeadb..d3bb5d96fafb590f4556c554d28f5a9d61ced498 100644 (file)
@@ -79,8 +79,8 @@ do_delete(
                goto cleanup;
        }
 
-       /* make sure this backend recongizes critical controls */
-       rc = backend_check_controls( be, conn, op, &text ) ;
+       /* check restrictions */
+       rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
        if( rc != LDAP_SUCCESS ) {
                send_ldap_result( conn, op, rc,
                        NULL, text, NULL, NULL );
@@ -93,14 +93,6 @@ do_delete(
                goto cleanup;
        }
 
-       if ( global_readonly || be->be_readonly ) {
-               Debug( LDAP_DEBUG_ANY, "do_delete: database is read-only\n",
-                      0, 0, 0 );
-               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
-                                 NULL, "directory is read-only", NULL, NULL );
-               goto cleanup;
-       }
-
        /* deref suffix alias if appropriate */
        ndn = suffix_alias( be, ndn );
 
index 4aa04f3dfbfc58c39180ea57ea7552af6fe5cf66..2999910f780d5a34c0752445817ef7a589232a68 100644 (file)
@@ -699,18 +699,11 @@ int filter_escape_value(
        out->bv_val = (char *) ch_malloc( ( in->bv_len * 3 ) + 1 );
        out->bv_len = 0;
 
-#undef NIBBLE
-#undef ESCAPE_LO
-#undef ESCAPE_HI
-#define NIBBLE(c) ((c)&0x0f)
-#define ESCAPE_LO(c) ( NIBBLE(c) + ( NIBBLE(c) < 10 ? '0' : 'A' - 10 ) )
-#define ESCAPE_HI(c) ( ESCAPE_LO((c)>>4) )
-
        for( i=0; i < in->bv_len ; i++ ) {
                if( FILTER_ESCAPE(in->bv_val[i]) ) {
-                       out->bv_val[out->bv_len++] = '\\';
-                       out->bv_val[out->bv_len++] = ESCAPE_HI( in->bv_val[i] );
-                       out->bv_val[out->bv_len++] = ESCAPE_LO( in->bv_val[i] );
+                       out->bv_val[out->bv_len++] = SLAP_ESCAPE_CHAR;
+                       out->bv_val[out->bv_len++] = SLAP_ESCAPE_HI( in->bv_val[i] );
+                       out->bv_val[out->bv_len++] = SLAP_ESCAPE_LO( in->bv_val[i] );
                } else {
                        out->bv_val[out->bv_len++] = in->bv_val[i];
                }
@@ -719,5 +712,3 @@ int filter_escape_value(
        out->bv_val[out->bv_len] = '\0';
        return LDAP_SUCCESS;
 }
-
-
index 96f60159fb025ad9ba963f9bf359275cb838d007..a21ad0b2a6626f44fc45ee0846bb9ac15c4c4a43 100644 (file)
@@ -169,8 +169,8 @@ do_modify(
                goto cleanup;
        }
 
-       /* make sure this backend recongizes critical controls */
-       rc = backend_check_controls( be, conn, op, &text ) ;
+       /* check restrictions */
+       rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
        if( rc != LDAP_SUCCESS ) {
                send_ldap_result( conn, op, rc,
                        NULL, text, NULL, NULL );
@@ -183,14 +183,6 @@ do_modify(
                goto cleanup;
        }
 
-       if ( global_readonly || be->be_readonly ) {
-               Debug( LDAP_DEBUG_ANY, "do_modify: database is read-only\n",
-                      0, 0, 0 );
-               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
-                       NULL, "directory is read-only", NULL, NULL );
-               goto cleanup;
-       }
-
        /* deref suffix alias if appropriate */
        ndn = suffix_alias( be, ndn );
 
index b77e7d8f2357378d7936879f9e818a8af00b8f6a..e5acfd1f832949e9274bb418f78d203d5008305a 100644 (file)
@@ -165,8 +165,8 @@ do_modrdn(
                goto cleanup;
        }
 
-       /* make sure this backend recongizes critical controls */
-       rc = backend_check_controls( be, conn, op, &text ) ;
+       /* check restrictions */
+       rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
        if( rc != LDAP_SUCCESS ) {
                send_ldap_result( conn, op, rc,
                        NULL, text, NULL, NULL );
@@ -179,14 +179,6 @@ do_modrdn(
                goto cleanup;
        }
 
-       if ( global_readonly || be->be_readonly ) {
-               Debug( LDAP_DEBUG_ANY, "do_modrdn: database is read-only\n",
-                      0, 0, 0 );
-               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
-                                 NULL, "database is read-only", NULL, NULL );
-               goto cleanup;
-       }
-
        /* Make sure that the entry being changed and the newSuperior are in 
         * the same backend, otherwise we return an error.
         */
index 7580f7c6619b2fee460d7125671d3c7f3a7dd463..547fb44c221b936a1cbbde76d458645347431e57 100644 (file)
@@ -38,9 +38,8 @@ int passwd_extop(
                return LDAP_STRONG_AUTH_REQUIRED;
        }
 
-       if( conn->c_authz_backend != NULL && conn->c_authz_backend->be_extended )
-       {
-               if( global_readonly || conn->c_authz_backend->be_readonly ) {
+       if( conn->c_authz_backend != NULL && conn->c_authz_backend->be_extended ) {
+               if( conn->c_authz_backend->be_restrictops & SLAP_RESTRICT_OP_MODIFY ) {
                        *text = "authorization database is read only";
                        rc = LDAP_UNWILLING_TO_PERFORM;
 
index e54ed9aa56c4036f99f8509d0dcb48140d6ba12e..2178bf67a9cce9c306625ee12ced380a9c44e8a1 100644 (file)
@@ -159,10 +159,11 @@ LDAP_SLAPD_F (int) be_entry_release_rw LDAP_P(( Backend *be, Entry *e, int rw ))
 
 LDAP_SLAPD_F (int) backend_unbind LDAP_P((Connection *conn, Operation *op));
 
-LDAP_SLAPD_F( int )    backend_check_controls LDAP_P((
+LDAP_SLAPD_F( int )    backend_check_restrictions LDAP_P((
        Backend *be,
        Connection *conn,
        Operation *op,
+       const char *extoid,
        const char **text ));
 
 LDAP_SLAPD_F( int )    backend_check_referrals LDAP_P((
@@ -751,6 +752,11 @@ LDAP_SLAPD_F (int) krbv4_ldap_auth();
  * Other...
  */
 
+LDAP_SLAPD_F (slap_mask_t)     global_restrictops;
+LDAP_SLAPD_F (slap_mask_t)     global_disallows;
+LDAP_SLAPD_F (slap_mask_t)     global_requires;
+LDAP_SLAPD_F (slap_ssf_set_t)  global_ssf_set;
+
 LDAP_SLAPD_F (struct berval **)        default_referral;
 LDAP_SLAPD_F (char *)          replogfile;
 LDAP_SLAPD_F (const char)      Versionstr[];
@@ -758,7 +764,6 @@ LDAP_SLAPD_F (int)          defsize;
 LDAP_SLAPD_F (int)             deftime;
 LDAP_SLAPD_F (int)             g_argc;
 LDAP_SLAPD_F (slap_access_t)   global_default_access;
-LDAP_SLAPD_F (int)             global_readonly;
 LDAP_SLAPD_F (int)             global_lastmod;
 LDAP_SLAPD_F (int)             global_idletimeout;
 LDAP_SLAPD_F (int)             global_schemacheck;
index 653fb886fa8e8fb10add232c18f61687de28dc0e..92e36b0ab8b7cb6919b18c4fcb61c7b36235d89e 100644 (file)
@@ -214,8 +214,8 @@ do_search(
                goto return_results;
        }
 
-       /* make sure this backend recongizes critical controls */
-       rc = backend_check_controls( be, conn, op, &text ) ;
+       /* check restrictions */
+       rc = backend_check_restrictions( be, conn, op, NULL, &text ) ;
        if( rc != LDAP_SUCCESS ) {
                send_ldap_result( conn, op, rc,
                        NULL, text, NULL, NULL );
index c43b882b54d32c91047cf9b0c2aca3b2e8f262d0..6d196c4511fa28b35efa94385202e02a00b2f012 100644 (file)
@@ -75,9 +75,15 @@ LDAP_BEGIN_DECL
 #define ASCII_ALPHA(c) ( ASCII_LOWER(c) || ASCII_UPPER(c) )
 #define ASCII_DIGIT(c) ( (c) >= '0' && (c) <= '9' )
 #define ASCII_ALNUM(c) ( ASCII_ALPHA(c) || ASCII_DIGIT(c) )
-
 #define ASCII_PRINTABLE(c) ( (c) >= ' ' && (c) <= '~' )
-#define FILTER_ESCAPE(c) ( (c) == '\\' || (c) == '(' || (c) == ')' || !ASCII_PRINTABLE(c) )
+
+#define SLAP_NIBBLE(c) ((c)&0x0f)
+#define SLAP_ESCAPE_CHAR ('\\')
+#define SLAP_ESCAPE_LO(c) ( "0123456789ABCDEF"[SLAP_NIBBLE(c)] )
+#define SLAP_ESCAPE_HI(c) ( SLAP_ESCAPE_LO((c)>>4) )
+
+#define FILTER_ESCAPE(c) ( (c) == '*' || (c) == '\\' \
+       || (c) == '(' || (c) == ')' || !ASCII_PRINTABLE(c) )
 
 #define DN_SEPARATOR(c)        ((c) == ',' || (c) == ';')
 #define RDN_SEPARATOR(c)       ((c) == ',' || (c) == ';' || (c) == '+')
@@ -114,9 +120,21 @@ LDAP_BEGIN_DECL
 
 LDAP_SLAPD_F (int) slap_debug;
 
-typedef unsigned slap_ssf_t;
 typedef unsigned long slap_mask_t;
 
+/* Security Strength Factor */
+typedef unsigned slap_ssf_t;
+
+typedef struct slap_ssf_set {
+       slap_ssf_t sss_ssf;
+       slap_ssf_t sss_transport;
+       slap_ssf_t sss_tls;
+       slap_ssf_t sss_sasl;
+       slap_ssf_t sss_update_ssf;
+       slap_ssf_t sss_update_transport;
+       slap_ssf_t sss_update_tls;
+       slap_ssf_t sss_update_sasl;
+} slap_ssf_set_t;
 
 /*
  * Index types
@@ -620,6 +638,18 @@ typedef enum slap_style_e {
        ACL_STYLE_EXACT = ACL_STYLE_BASE
 } slap_style_t;
 
+typedef struct slap_authz_info {
+       ber_tag_t       sai_method;             /* LDAP_AUTH_* from <ldap.h> */
+       char *          sai_mech;               /* SASL Mechanism */
+       char *          sai_dn;                 /* DN for reporting purposes */
+       char *          sai_ndn;                /* Normalized DN */
+
+       /* Security Strength Factors */
+       slap_ssf_t      sai_ssf;                        /* Overall SSF */
+       slap_ssf_t      sai_transport_ssf;      /* Transport SSF */
+       slap_ssf_t      sai_tls_ssf;            /* TLS SSF */
+       slap_ssf_t      sai_sasl_ssf;           /* SASL SSF */
+} AuthorizationInformation;
 
 /* the "by" part */
 typedef struct slap_access {
@@ -684,8 +714,10 @@ typedef struct slap_access {
 
        slap_mask_t     a_access_mask;
 
+       AuthorizationInformation        a_authz;
+#define a_dn_pat       a_authz.sai_dn
+
        slap_style_t a_dn_style;
-       char            *a_dn_pat;
        AttributeDescription    *a_dn_at;
        int                     a_dn_self;
 
@@ -803,6 +835,43 @@ struct slap_backend_db {
 #define                be_sync bd_info->bi_tool_sync
 #endif
 
+       slap_mask_t     be_restrictops;         /* restriction operations */
+#define SLAP_RESTRICT_OP_ADD           0x0001U
+#define        SLAP_RESTRICT_OP_BIND           0x0002U
+#define SLAP_RESTRICT_OP_COMPARE       0x0004U
+#define SLAP_RESTRICT_OP_DELETE                0x0008U
+#define        SLAP_RESTRICT_OP_EXTENDED       0x0010U
+#define SLAP_RESTRICT_OP_MODIFY                0x0020U
+#define SLAP_RESTRICT_OP_RENAME                0x0040U
+#define SLAP_RESTRICT_OP_SEARCH                0x0080U
+
+#define SLAP_RESTRICT_OP_READS \
+       ( SLAP_RESTRICT_OP_COMPARE    \
+       | SLAP_RESTRICT_OP_SEARCH )
+#define SLAP_RESTRICT_OP_WRITES        \
+       ( SLAP_RESTRICT_OP_ADD    \
+       | SLAP_RESTRICT_OP_DELETE \
+       | SLAP_RESTRICT_OP_MODIFY \
+       | SLAP_RESTRICT_OP_RENAME )
+
+#define SLAP_DISALLOW_BIND_V2  0x0001U /* LDAPv2 bind */
+#define SLAP_DISALLOW_BIND_ANON 0x0002U /* no anonymous */
+#define SLAP_DISALLOW_BIND_ANON_CRED \
+                                                               0x0004U /* cred should be empty */
+#define SLAP_DISALLOW_BIND_ANON_DN \
+                                                               0x0008U /* dn should be empty */
+
+       slap_mask_t     be_requires;    /* pre-operation requirements */
+#define SLAP_REQUIRE_BIND              0x0001U /* bind before op */
+#define SLAP_REQUIRE_LDAP_V3   0x0002U /* LDAPv3 before op */
+#define SLAP_REQUIRE_AUTHC             0x0004U /* authentication before op */
+#define SLAP_REQUIRE_SASL              0x0008U /* SASL before op  */
+#define SLAP_REQUIRE_STRONG            0x0010U /* strong authentication before op */
+
+
+       /* Required Security Strength Factor */
+       slap_ssf_set_t be_ssf_set;
+
        /* these should be renamed from be_ to bd_ */
        char    **be_suffix;    /* the DN suffixes of data in this backend */
        char    **be_nsuffix;   /* the normalized DN suffixes in this backend */
@@ -810,7 +879,6 @@ struct slap_backend_db {
        char    *be_root_dn;    /* the magic "root" dn for this db      */
        char    *be_root_ndn;   /* the magic "root" normalized dn for this db   */
        struct berval be_root_pw;       /* the magic "root" password for this db        */
-       int     be_readonly;    /* 1 => db is in "read only" mode          */
        unsigned int be_max_deref_depth;       /* limit for depth of an alias deref  */
        int     be_sizelimit;   /* size limit for this backend             */
        int     be_timelimit;   /* time limit for this backend             */
@@ -981,22 +1049,22 @@ struct slap_backend_info {
        void    *bi_private;    /* anything the backend type needs */
 };
 
-typedef struct slap_authz_info {
-       unsigned        sai_ssf;                /* Security Strength Factor */
-       ber_tag_t       sai_method;             /* LDAP_AUTH_* from <ldap.h> */
-       char *          sai_mech;               /* SASL Mechanism */
-       char *          sai_dn;                 /* DN for reporting purposes */
-       char *          sai_ndn;                /* Normalized DN */
-} AuthorizationInformation;
-
 #define c_authtype     c_authz.sai_method
 #define c_authmech     c_authz.sai_mech
 #define c_dn           c_authz.sai_dn
+#define c_ssf                  c_authz.sai_ssf
+#define c_transport_ssf        c_authz.sai_transport_ssf
+#define c_tls_ssf              c_authz.sai_tls_ssf
+#define c_sasl_ssf             c_authz.sai_sasl_ssf
 
 #define o_authtype     o_authz.sai_method
 #define o_authmech     o_authz.sai_mech
 #define o_dn           o_authz.sai_dn
 #define o_ndn          o_authz.sai_ndn
+#define o_ssf                  o_authz.sai_ssf
+#define o_transport_ssf        o_authz.sai_transport_ssf
+#define o_tls_ssf              o_authz.sai_tls_ssf
+#define o_sasl_ssf             o_authz.sai_sasl_ssf
 
 /*
  * represents an operation pending from an ldap client