]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/controls.c
Fix IRIX sc_mask conflict
[openldap] / servers / slapd / controls.c
index f0338dc97455b84a37232bdd338249ac73077daf..53d927004f8f109bfcb9142fb8d165a479ec0351 100644 (file)
 
 #include "../../libraries/liblber/lber-int.h"
 
-#define SLAP_CTRL_ABANDON      0x0001
-#define SLAP_CTRL_ADD          0x2002
-#define SLAP_CTRL_BIND         0x0004
-#define SLAP_CTRL_COMPARE      0x1008
-#define SLAP_CTRL_DELETE       0x2010
-#define SLAP_CTRL_MODIFY       0x2020
-#define SLAP_CTRL_RENAME       0x2040
-#define SLAP_CTRL_SEARCH       0x1080
-#define SLAP_CTRL_UNBIND       0x0100
+#define SLAP_CTRL_FRONTEND     0x80000000U
+
+#define SLAP_CTRL_OPFLAGS      0x0000FFFFU
+#define SLAP_CTRL_ABANDON      0x00000001U
+#define SLAP_CTRL_ADD          0x00002002U
+#define SLAP_CTRL_BIND         0x00000004U
+#define SLAP_CTRL_COMPARE      0x00001008U
+#define SLAP_CTRL_DELETE       0x00002010U
+#define SLAP_CTRL_MODIFY       0x00002020U
+#define SLAP_CTRL_RENAME       0x00002040U
+#define SLAP_CTRL_SEARCH       0x00001080U
+#define SLAP_CTRL_UNBIND       0x00000100U
 
 #define SLAP_CTRL_INTROGATE    (SLAP_CTRL_COMPARE|SLAP_CTRL_SEARCH)
 #define SLAP_CTRL_UPDATE \
@@ -42,10 +45,15 @@ typedef int (SLAP_CTRL_PARSE_FN) LDAP_P((
 
 static SLAP_CTRL_PARSE_FN parseManageDSAit;
 static SLAP_CTRL_PARSE_FN parseSubentries;
+static SLAP_CTRL_PARSE_FN parseNoOp;
+static SLAP_CTRL_PARSE_FN parsePagedResults;
+static SLAP_CTRL_PARSE_FN parseValuesReturnFilter;
+
+#undef sc_mask /* avoid conflict with Irix 6.5 <sys/signal.h> */
 
 static struct slap_control {
        char *sc_oid;
-       int sc_ops_mask;
+       slap_mask_t sc_mask;
        char **sc_extendedops;
        SLAP_CTRL_PARSE_FN *sc_parse;
 
@@ -53,9 +61,26 @@ static struct slap_control {
        { LDAP_CONTROL_MANAGEDSAIT,
                SLAP_CTRL_ACCESS, NULL,
                parseManageDSAit },
+#ifdef LDAP_CONTROL_SUBENTRIES
        { LDAP_CONTROL_SUBENTRIES,
                SLAP_CTRL_SEARCH, NULL,
                parseSubentries },
+#endif
+#ifdef LDAP_CONTROL_NOOP
+       { LDAP_CONTROL_NOOP,
+               SLAP_CTRL_UPDATE, NULL,
+               parseNoOp },
+#endif
+#ifdef LDAP_CONTROL_PAGEDRESULTS_REQUEST
+       { LDAP_CONTROL_PAGEDRESULTS_REQUEST,
+               SLAP_CTRL_SEARCH, NULL,
+               parsePagedResults },
+#endif
+#ifdef LDAP_CONTROL_VALUESRETURNFILTER
+       { LDAP_CONTROL_VALUESRETURNFILTER,
+               SLAP_CTRL_SEARCH, NULL,
+               parseValuesReturnFilter },
+#endif
        { NULL }
 };
 
@@ -87,8 +112,7 @@ int get_ctrls(
        ber_len_t len;
        char *opaque;
        BerElement *ber = op->o_ber;
-       LDAPControl ***ctrls = &op->o_ctrls;
-       struct slap_control *c;
+       struct slap_control *sc;
        int rc = LDAP_SUCCESS;
        const char *errmsg = NULL;
 
@@ -110,8 +134,7 @@ int get_ctrls(
        }
 
 #ifdef NEW_LOGGING
-       LDAP_LOG(( "operation", LDAP_LEVEL_ENTRY,
-               "get_ctrls: conn %d\n", conn->c_connid ));
+       LDAP_LOG( OPERATION, ENTRY, "get_ctrls: conn %lu\n", conn->c_connid, 0, 0 );
 #else
        Debug( LDAP_DEBUG_TRACE, "=> get_ctrls\n", 0, 0, 0 );
 #endif
@@ -121,69 +144,74 @@ int get_ctrls(
                goto return_results;
        }
 
-       /* set through each element */
-       *ctrls = ch_malloc( 1 * sizeof(LDAPControl *) );
+       /* one for first control, one for termination */
+       op->o_ctrls = ch_malloc( 2 * sizeof(LDAPControl *) );
 
 #if 0
-       if( *ctrls == NULL ) {
+       if( op->ctrls == NULL ) {
                rc = LDAP_NO_MEMORY;
                errmsg = "no memory";
                goto return_results;
        }
 #endif
 
-       *ctrls[nctrls] = NULL;
+       op->o_ctrls[nctrls] = NULL;
 
+       /* step through each element */
        for( tag = ber_first_element( ber, &len, &opaque );
                tag != LBER_ERROR;
                tag = ber_next_element( ber, &len, opaque ) )
        {
-               LDAPControl *tctrl;
+               LDAPControl *c;
                LDAPControl **tctrls;
 
-               tctrl = ch_calloc( 1, sizeof(LDAPControl) );
-               tctrl->ldctl_oid = NULL;
-               tctrl->ldctl_value.bv_val = NULL;
+               c = ch_calloc( 1, sizeof(LDAPControl) );
+
+#if 0
+               if( c == NULL ) {
+                       ldap_controls_free(op->o_ctrls);
+                       op->o_ctrls = NULL;
+
+                       rc = LDAP_NO_MEMORY;
+                       errmsg = "no memory";
+                       goto return_results;
+               }
+#endif
 
                /* allocate pointer space for current controls (nctrls)
                 * + this control + extra NULL
                 */
-               tctrls = (tctrl == NULL) ? NULL :
-                       ch_realloc(*ctrls, (nctrls+2) * sizeof(LDAPControl *));
+               tctrls = ch_realloc( op->o_ctrls,
+                       (nctrls+2) * sizeof(LDAPControl *));
 
 #if 0
                if( tctrls == NULL ) {
-                       /* one of the above allocation failed */
-
-                       if( tctrl != NULL ) {
-                               ch_free( tctrl );
-                       }
-
-                       ldap_controls_free(*ctrls);
-                       *ctrls = NULL;
+                       ch_free( c );
+                       ldap_controls_free(op->o_ctrls);
+                       op->o_ctrls = NULL;
 
                        rc = LDAP_NO_MEMORY;
                        errmsg = "no memory";
                        goto return_results;
                }
 #endif
+               op->o_ctrls = tctrls;
 
-               tctrls[nctrls++] = tctrl;
-               tctrls[nctrls] = NULL;
+               op->o_ctrls[nctrls++] = c;
+               op->o_ctrls[nctrls] = NULL;
 
-               tag = ber_scanf( ber, "{a" /*}*/, &tctrl->ldctl_oid );
+               tag = ber_scanf( ber, "{a" /*}*/, &c->ldctl_oid );
 
                if( tag == LBER_ERROR ) {
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
-                               "get_ctrls: conn %d get OID failed.\n",
-                               conn->c_connid ));
+                       LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu get OID failed.\n",
+                               conn->c_connid, 0, 0 );
 #else
                        Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get oid failed.\n",
                                0, 0, 0 );
 #endif
-                       *ctrls = NULL;
-                       ldap_controls_free( tctrls );
+                       ldap_controls_free( op->o_ctrls );
+                       op->o_ctrls = NULL;
                        rc = SLAPD_DISCONNECT;
                        errmsg = "decoding controls error";
                        goto return_results;
@@ -197,58 +225,64 @@ int get_ctrls(
 
                        if( tag == LBER_ERROR ) {
 #ifdef NEW_LOGGING
-                               LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
-                                       "get_ctrls: conn %d get crit failed.\n",
-                                       conn->c_connid ));
+                               LDAP_LOG( OPERATION, INFO, 
+                                       "get_ctrls: conn %lu get crit failed.\n", 
+                                       conn->c_connid, 0, 0 );
 #else
                                Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get crit failed.\n",
                                        0, 0, 0 );
 #endif
-                               *ctrls = NULL;
-                               ldap_controls_free( tctrls );
+                               ldap_controls_free( op->o_ctrls );
+                               op->o_ctrls = NULL;
                                rc = SLAPD_DISCONNECT;
                                errmsg = "decoding controls error";
                                goto return_results;
                        }
 
-                       tctrl->ldctl_iscritical = (crit != 0);
+                       c->ldctl_iscritical = (crit != 0);
                        tag = ber_peek_tag( ber, &len );
                }
 
-#ifdef NEW_LOGGING
-               LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
-                       "get_ctrls: conn %d oid=\"%s\" (%scritical)\n",
-                       conn->c_connid, tctrl->ldctl_oid,
-                       tctrl->ldctl_iscritical ? "" : "non" ));
-#else
-               Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: oid=\"%s\" (%scritical)\n",
-                       tctrl->ldctl_oid, 
-                       tctrl->ldctl_iscritical ? "" : "non",
-                       0 );
-#endif
                if( tag == LBER_OCTETSTRING ) {
-                       tag = ber_scanf( ber, "o", &tctrl->ldctl_value );
+                       tag = ber_scanf( ber, "o", &c->ldctl_value );
 
                        if( tag == LBER_ERROR ) {
 #ifdef NEW_LOGGING
-                               LDAP_LOG(( "operation", LDAP_LEVEL_INFO,
-                                       "get_ctrls: conn %d  get value failed.\n", conn->c_connid ));
+                               LDAP_LOG( OPERATION, INFO, "get_ctrls: conn %lu: "
+                                       "%s (%scritical): get value failed.\n",
+                                       conn->c_connid, c->ldctl_oid ? c->ldctl_oid : "(NULL)",
+                                       c->ldctl_iscritical ? "" : "non" );
 #else
-                               Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: get value failed.\n",
-                                       0, 0, 0 );
+                               Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: conn %lu: "
+                                       "%s (%scritical): get value failed.\n",
+                                       conn->c_connid,
+                                       c->ldctl_oid ? c->ldctl_oid : "(NULL)",
+                                       c->ldctl_iscritical ? "" : "non" );
 #endif
-                               *ctrls = NULL;
-                               ldap_controls_free( tctrls );
+                               ldap_controls_free( op->o_ctrls );
+                               op->o_ctrls = NULL;
                                rc = SLAPD_DISCONNECT;
                                errmsg = "decoding controls error";
                                goto return_results;
                        }
                }
 
-               c = find_ctrl( tctrl->ldctl_oid );
-               if( c != NULL ) {
-                       /* recongized control */
-                       int tagmask = -1;
+#ifdef NEW_LOGGING
+               LDAP_LOG( OPERATION, INFO, 
+                       "get_ctrls: conn %lu oid=\"%s\" (%scritical)\n",
+                       conn->c_connid, c->ldctl_oid ? c->ldctl_oid : "(NULL)",
+                       c->ldctl_iscritical ? "" : "non" );
+#else
+               Debug( LDAP_DEBUG_TRACE, "=> get_ctrls: oid=\"%s\" (%scritical)\n",
+                       c->ldctl_oid ? c->ldctl_oid : "(NULL)",
+                       c->ldctl_iscritical ? "" : "non",
+                       0 );
+#endif
+
+               sc = find_ctrl( c->ldctl_oid );
+               if( sc != NULL ) {
+                       /* recognized control */
+                       slap_mask_t tagmask;
                        switch( op->o_tag ) {
                        case LDAP_REQ_ADD:
                                tagmask = SLAP_CTRL_ADD;
@@ -276,7 +310,7 @@ int get_ctrls(
                                break;
                        case LDAP_REQ_EXTENDED:
                                /* FIXME: check list of extended operations */
-                               tagmask = -1;
+                               tagmask = ~0U;
                                break;
                        default:
                                rc = LDAP_OTHER;
@@ -284,43 +318,45 @@ int get_ctrls(
                                goto return_results;
                        }
 
-                       if (( c->sc_ops_mask & tagmask ) == tagmask ) {
+                       if (( sc->sc_mask & tagmask ) == tagmask ) {
                                /* available extension */
 
-                               if( !c->sc_parse ) {
+                               if( !sc->sc_parse ) {
                                        rc = LDAP_OTHER;
                                        errmsg = "not yet implemented";
                                        goto return_results;
                                }
 
-                               rc = c->sc_parse( conn, op, tctrl, &errmsg );
+                               rc = sc->sc_parse( conn, op, c, &errmsg );
 
                                if( rc != LDAP_SUCCESS ) goto return_results;
 
-                       } else if( tctrl->ldctl_iscritical ) {
+                               if( sc->sc_mask & SLAP_CTRL_FRONTEND ) {
+                                       /* kludge to disable backend_control() check */
+                                       c->ldctl_iscritical = 0;
+                               }
+
+                       } else if( c->ldctl_iscritical ) {
                                /* unavailable CRITICAL control */
                                rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
                                errmsg = "critical extension is unavailable";
                                goto return_results;
                        }
 
-               } else if( tctrl->ldctl_iscritical ) {
-                       /* unrecongized CRITICAL control */
+               } else if( c->ldctl_iscritical ) {
+                       /* unrecognized CRITICAL control */
                        rc = LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
-                       errmsg = "critical extension is not recongized";
+                       errmsg = "critical extension is not recognized";
                        goto return_results;
                }
-
-               *ctrls = tctrls;
        }
 
 return_results:
 #ifdef NEW_LOGGING
-       LDAP_LOG(( "operation", LDAP_LEVEL_RESULTS,
-               "get_ctrls: conn %d     %d %d %s\n",
-               conn->c_connid, nctrls, rc, errmsg ? errmsg : "" ));
+       LDAP_LOG( OPERATION, RESULTS, 
+               "get_ctrls: n=%d rc=%d err=%s\n", nctrls, rc, errmsg ? errmsg : "" );
 #else
-       Debug( LDAP_DEBUG_TRACE, "<= get_ctrls: %d %d %s\n",
+       Debug( LDAP_DEBUG_TRACE, "<= get_ctrls: n=%d rc=%d err=%s\n",
                nctrls, rc, errmsg ? errmsg : "");
 #endif
 
@@ -359,6 +395,7 @@ static int parseManageDSAit (
        return LDAP_SUCCESS;
 }
 
+#ifdef LDAP_CONTROL_SUBENTRIES
 static int parseSubentries (
        Connection *conn,
        Operation *op,
@@ -387,3 +424,167 @@ static int parseSubentries (
 
        return LDAP_SUCCESS;
 }
+#endif
+
+#ifdef LDAP_CONTROL_NOOP
+static int parseNoOp (
+       Connection *conn,
+       Operation *op,
+       LDAPControl *ctrl,
+       const char **text )
+{
+       if ( op->o_noop != SLAP_NO_CONTROL ) {
+               *text = "noop control specified multiple times";
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       if ( ctrl->ldctl_value.bv_len ) {
+               *text = "noop control value not empty";
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       op->o_noop = ctrl->ldctl_iscritical
+               ? SLAP_CRITICAL_CONTROL
+               : SLAP_NONCRITICAL_CONTROL;
+
+       return LDAP_SUCCESS;
+}
+#endif
+
+#ifdef LDAP_CONTROL_PAGEDRESULTS_REQUEST
+static int parsePagedResults (
+       Connection *conn,
+       Operation *op,
+       LDAPControl *ctrl,
+       const char **text )
+{
+       ber_tag_t tag;
+       ber_int_t size;
+       BerElement *ber;
+       struct berval cookie = { 0, NULL };
+
+       if ( op->o_pagedresults != SLAP_NO_CONTROL ) {
+               *text = "paged results control specified multiple times";
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       if ( ctrl->ldctl_value.bv_len == 0 ) {
+               *text = "paged results control value is empty";
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       /* Parse the control value
+        *      realSearchControlValue ::= SEQUENCE {
+        *              size    INTEGER (0..maxInt),
+        *                              -- requested page size from client
+        *                              -- result set size estimate from server
+        *              cookie  OCTET STRING
+        */
+       ber = ber_init( &ctrl->ldctl_value );
+       if( ber == NULL ) {
+               *text = "internal error";
+               return LDAP_OTHER;
+       }
+
+       tag = ber_scanf( ber, "{im}", &size, &cookie );
+       (void) ber_free( ber, 1 );
+
+       if( tag == LBER_ERROR ) {
+               *text = "paged results control could not be decoded";
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       if( size <= 0 ) {
+               *text = "paged results control size invalid";
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       if( cookie.bv_len ) {
+               PagedResultsCookie reqcookie;
+               if( cookie.bv_len != sizeof( reqcookie ) ) {
+                       /* bad cookie */
+                       *text = "paged results cookie is invalid";
+                       return LDAP_PROTOCOL_ERROR;
+               }
+
+               AC_MEMCPY( &reqcookie, cookie.bv_val, sizeof( reqcookie ));
+
+               if( reqcookie > op->o_pagedresults_state.ps_cookie ) {
+                       /* bad cookie */
+                       *text = "paged results cookie is invalid";
+                       return LDAP_PROTOCOL_ERROR;
+
+               } else if( reqcookie < op->o_pagedresults_state.ps_cookie ) {
+                       *text = "paged results cookie is invalid or old";
+                       return LDAP_UNWILLING_TO_PERFORM;
+               }
+       }
+
+       op->o_pagedresults_state.ps_cookie = op->o_opid;
+       op->o_pagedresults_size = size;
+
+       op->o_pagedresults = ctrl->ldctl_iscritical
+               ? SLAP_CRITICAL_CONTROL
+               : SLAP_NONCRITICAL_CONTROL;
+
+       return LDAP_SUCCESS;
+}
+#endif
+
+#ifdef LDAP_CONTROL_VALUESRETURNFILTER
+int parseValuesReturnFilter (
+       Connection *conn,
+       Operation *op,
+       LDAPControl *ctrl,
+       const char **text )
+{
+       int             rc;
+       BerElement      *ber;
+       struct berval   fstr = { 0, NULL };
+       const char *err_msg = "";
+
+       if ( op->o_valuesreturnfilter != SLAP_NO_CONTROL ) {
+               *text = "valuesreturnfilter control specified multiple times";
+               return LDAP_PROTOCOL_ERROR;
+       }
+
+       ber = ber_init( &(ctrl->ldctl_value) );
+       if (ber == NULL) {
+               *text = "internal error";
+               return LDAP_OTHER;
+       }
+       
+       rc = get_vrFilter( conn, ber, &(op->vrFilter), &err_msg);
+
+       if( rc != LDAP_SUCCESS ) {
+               text = &err_msg;
+               if( rc == SLAPD_DISCONNECT ) {
+                       send_ldap_disconnect( conn, op,
+                               LDAP_PROTOCOL_ERROR, *text );
+               } else {
+                       send_ldap_result( conn, op, rc,
+                               NULL, *text, NULL, NULL );
+               }
+               if( fstr.bv_val != NULL) free( fstr.bv_val );
+               if( op->vrFilter != NULL) vrFilter_free( op->vrFilter ); 
+
+       } else {
+               vrFilter2bv( op->vrFilter, &fstr );
+       }
+
+#ifdef NEW_LOGGING
+       LDAP_LOG( OPERATION, ARGS, 
+               "parseValuesReturnFilter: conn %d       vrFilter: %s\n", 
+               conn->c_connid, fstr.bv_len ? fstr.bv_val : "empty" , 0 );
+#else
+       Debug( LDAP_DEBUG_ARGS, "       vrFilter: %s\n",
+               fstr.bv_len ? fstr.bv_val : "empty", 0, 0 );
+#endif
+
+       op->o_valuesreturnfilter = ctrl->ldctl_iscritical
+               ? SLAP_CRITICAL_CONTROL
+               : SLAP_NONCRITICAL_CONTROL;
+
+       return LDAP_SUCCESS;
+}
+#endif