]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/search.c
Commit of the Proxy Cache contribution (ITS#2062)
[openldap] / servers / slapd / search.c
index 8a1cac660ba1bca78359b88639d087ff470de3f2..fd7ea25a024b3c9f55137add6170074dec872b2f 100644 (file)
@@ -16,7 +16,6 @@
  */
 
 #include "portable.h"
-#include "slapi_common.h"
 
 #include <stdio.h>
 
 #include "ldap_pvt.h"
 #include "lutil.h"
 #include "slap.h"
+
+#ifdef LDAP_SLAPI
 #include "slapi.h"
+static char **anlist2charray( AttributeName *an );
+static Slapi_PBlock *initSearchPlugin( Backend *be, Connection *conn, Operation *op,
+       struct berval *base, int scope, int deref, int sizelimit, int timelimit,
+       Filter *filter, struct berval *fstr, char **attrs,
+       int attrsonly, int managedsait );
+static int doPreSearchPluginFNs( Backend *be, Slapi_PBlock *pb );
+static int doSearchRewriteFNs( Backend *be, Slapi_PBlock *pb, Filter **filter, struct berval *fstr );
+static void doPostSearchPluginFNs( Backend *be, Slapi_PBlock *pb );
+#endif /* LDAPI_SLAPI */
 
 int
 do_search(
@@ -46,8 +56,10 @@ do_search(
        int                     rc;
        const char      *text;
        int                     manageDSAit;
-
-       Slapi_PBlock *pb = op->o_pb;
+#ifdef LDAP_SLAPI
+       Slapi_PBlock    *pb = NULL;
+       char            **attrs = NULL;
+#endif
 
 #ifdef NEW_LOGGING
        LDAP_LOG( OPERATION, ENTRY, "do_search: conn %d\n", conn->c_connid, 0, 0 );
@@ -216,14 +228,18 @@ do_search(
 
        if ( StatslogTest( LDAP_DEBUG_STATS ) ) {
                char abuf[BUFSIZ/2], *ptr = abuf;
-               int len = 0;
+               int len = 0, alen;
 
                Statslog( LDAP_DEBUG_STATS,
                        "conn=%lu op=%lu SRCH base=\"%s\" scope=%d filter=\"%s\"\n",
                        op->o_connid, op->o_opid, pbase.bv_val, scope, fstr.bv_val );
 
                for ( i = 0; i<siz; i++ ) {
-                       if (len + 1 + an[i].an_name.bv_len > sizeof(abuf)) {
+                       alen = an[i].an_name.bv_len;
+                       if (alen >= sizeof(abuf)) {
+                               alen = sizeof(abuf)-1;
+                       }
+                       if (len && (len + 1 + alen >= sizeof(abuf))) {
                                Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu SRCH attr=%s\n",
                                    op->o_connid, op->o_opid, abuf, 0, 0 );
                                len = 0;
@@ -233,8 +249,9 @@ do_search(
                                *ptr++ = ' ';
                                len++;
                        }
-                       ptr = lutil_strcopy(ptr, an[i].an_name.bv_val);
-                       len += an[i].an_name.bv_len;
+                       ptr = lutil_strncopy(ptr, an[i].an_name.bv_val, alen);
+                       len += alen;
+                       *ptr = '\0';
                }
                if (len) {
                        Statslog( LDAP_DEBUG_STATS, "conn=%lu op=%lu SRCH attr=%s\n",
@@ -250,7 +267,7 @@ do_search(
                if ( nbase.bv_len == 0 ) {
 #ifdef LDAP_CONNECTIONLESS
                        /* Ignore LDAPv2 CLDAP Root DSE queries */
-                       if (op->o_protocol==LDAP_VERSION2 && conn->c_is_udp) {
+                       if (op->o_protocol == LDAP_VERSION2 && conn->c_is_udp) {
                                goto return_results;
                        }
 #endif
@@ -262,7 +279,19 @@ do_search(
                                goto return_results;
                        }
 
+#ifdef LDAP_SLAPI
+                       attrs = anlist2charray( an );
+                       pb = initSearchPlugin( NULL, conn, op, &nbase, scope,
+                               deref, sizelimit, timelimit, filter, &fstr,
+                               attrs, attrsonly, manageDSAit );
+                       rc = doPreSearchPluginFNs( NULL, pb );
+                       if ( rc == LDAP_SUCCESS ) {
+                               doSearchRewriteFNs( NULL, pb, &filter, &fstr );
+#endif /* LDAP_SLAPI */
                        rc = root_dse_info( conn, &entry, &text );
+#ifdef LDAP_SLAPI
+                       }
+#endif /* LDAP_SLAPI */
 
                } else if ( bvmatch( &nbase, &global_schemandn ) ) {
                        /* check restrictions */
@@ -273,12 +302,27 @@ do_search(
                                goto return_results;
                        }
 
+#ifdef LDAP_SLAPI
+                       attrs = anlist2charray( an );
+                       pb = initSearchPlugin( NULL, conn, op, &nbase, scope,
+                               deref, sizelimit, timelimit, filter, &fstr,
+                               attrs, attrsonly, manageDSAit );
+                       rc = doPreSearchPluginFNs( NULL, pb );
+                       if ( rc == LDAP_SUCCESS ) {
+                               doSearchRewriteFNs( NULL, pb, &filter, &fstr );
+#endif /* LDAP_SLAPI */
                        rc = schema_info( &entry, &text );
+#ifdef LDAP_SLAPI
+                       }
+#endif /* LDAP_SLAPI */
                }
 
                if( rc != LDAP_SUCCESS ) {
                        send_ldap_result( conn, op, rc,
                                NULL, text, NULL, NULL );
+#ifdef LDAP_SLAPI
+                       doPostSearchPluginFNs( NULL, pb );
+#endif /* LDAP_SLAPI */
                        goto return_results;
 
                } else if ( entry != NULL ) {
@@ -293,7 +337,9 @@ do_search(
 
                        send_ldap_result( conn, op, LDAP_SUCCESS,
                                NULL, NULL, NULL, NULL );
-
+#ifdef LDAP_SLAPI
+                       doPostSearchPluginFNs( NULL, pb );
+#endif /* LDAP_SLAPI */
                        goto return_results;
                }
        }
@@ -336,83 +382,180 @@ do_search(
                goto return_results;
        }
 
-       /* deref the base if needed */
-       suffix_alias( be, &nbase );
+#ifdef LDAP_SLAPI
+       attrs = anlist2charray( an );
+       pb = initSearchPlugin( be, conn, op, &pbase,
+               scope, deref, sizelimit,
+               timelimit, filter, &fstr, attrs, attrsonly,
+               manageDSAit );
+       rc = doPreSearchPluginFNs( be, pb );
+       if ( rc != LDAP_SUCCESS ) {
+               goto return_results;
+       }
+
+       doSearchRewriteFNs( be, pb, &filter, &fstr );
+#endif /* LDAP_SLAPI */
+
+       /* actually do the search and send the result(s) */
+       if ( be->be_search ) {
+               (*be->be_search)( be, conn, op, &pbase, &nbase,
+                       scope, deref, sizelimit,
+                       timelimit, filter, &fstr, an, attrsonly );
+       } else {
+               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
+                       NULL, "operation not supported within namingContext",
+                       NULL, NULL );
+       }
+
+#ifdef LDAP_SLAPI
+       doPostSearchPluginFNs( be, pb );
+#endif /* LDAP_SLAPI */
+
+return_results:;
+
+#ifdef LDAP_CLIENT_UPDATE
+       if ( ( op->o_clientupdate_type & SLAP_LCUP_PERSIST ) )
+               return rc;
+#endif
+#if defined(LDAP_CLIENT_UPDATE) && defined(LDAP_SYNC)
+       else
+#endif
+#ifdef LDAP_SYNC
+       if ( ( op->o_sync_mode & SLAP_SYNC_PERSIST ) )
+               return rc;
+#endif
+
+       if( pbase.bv_val != NULL) free( pbase.bv_val );
+       if( nbase.bv_val != NULL) free( nbase.bv_val );
+
+       if( fstr.bv_val != NULL) free( fstr.bv_val );
+       if( filter != NULL) filter_free( filter );
+       if( an != NULL ) free( an );
+#ifdef LDAP_SLAPI
+       if( attrs != NULL) ch_free( attrs );
+#endif /* LDAP_SLAPI */
+
+       return rc;
+}
+
+#ifdef LDAP_SLAPI
+
+static char **anlist2charray( AttributeName *an )
+{
+       char **attrs;
+       int i;
 
-#if defined( LDAP_SLAPI )
-       slapi_backend_set_pb( pb, be );
-       slapi_connection_set_pb( pb, conn );
-       slapi_operation_set_pb( pb, op );
-       slapi_pblock_set( pb, SLAPI_SEARCH_TARGET, (void *)base.bv_val );
+       if ( an != NULL ) {
+               for ( i = 0; an[i].an_name.bv_val != NULL; i++ )
+                       ;
+               attrs = (char **)ch_malloc( (i + 1) * sizeof(char *) );
+               for ( i = 0; an[i].an_name.bv_val != NULL; i++ ) {
+                       attrs[i] = an[i].an_name.bv_val;
+               }
+               attrs[i] = NULL;
+       } else {
+               attrs = NULL;
+       }
+
+       return attrs;
+}
+
+static Slapi_PBlock *initSearchPlugin( Backend *be, Connection *conn, Operation *op,
+       struct berval *base, int scope, int deref, int sizelimit,
+       int timelimit, Filter *filter, struct berval *fstr,
+       char **attrs, int attrsonly, int managedsait )
+{
+       Slapi_PBlock *pb;
+
+       pb = op->o_pb;
+
+       slapi_x_backend_set_pb( pb, be );
+       slapi_x_connection_set_pb( pb, conn );
+       slapi_x_operation_set_pb( pb, op );
+       slapi_pblock_set( pb, SLAPI_SEARCH_TARGET, (void *)base->bv_val );
        slapi_pblock_set( pb, SLAPI_SEARCH_SCOPE, (void *)scope );
        slapi_pblock_set( pb, SLAPI_SEARCH_DEREF, (void *)deref );
        slapi_pblock_set( pb, SLAPI_SEARCH_SIZELIMIT, (void *)sizelimit );
        slapi_pblock_set( pb, SLAPI_SEARCH_TIMELIMIT, (void *)timelimit );
        slapi_pblock_set( pb, SLAPI_SEARCH_FILTER, (void *)filter );
-       slapi_pblock_set( pb, SLAPI_SEARCH_STRFILTER, (void *)fstr.bv_val );
+       slapi_pblock_set( pb, SLAPI_SEARCH_STRFILTER, (void *)fstr->bv_val );
+       slapi_pblock_set( pb, SLAPI_SEARCH_ATTRS, (void *)attrs );
        slapi_pblock_set( pb, SLAPI_SEARCH_ATTRSONLY, (void *)attrsonly );
-       slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)(1) );
+       slapi_pblock_set( pb, SLAPI_MANAGEDSAIT, (void *)managedsait );
+
+       return pb;
+}
+
+static int doPreSearchPluginFNs( Backend *be, Slapi_PBlock *pb )
+{
+       int rc;
 
        rc = doPluginFNs( be, SLAPI_PLUGIN_PRE_SEARCH_FN, pb );
-       if ( rc != 0 && rc != LDAP_OTHER ) {
+       if ( rc != 0 ) {
                /*
-                * either there is no preOp (search) plugins
-                * or a plugin failed. Just log it
-                *
-                * FIXME: is this correct?
+                * A preoperation plugin failure will abort the
+                * entire operation.
                 */
 #ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, INFO, "do_search: search preOps "
-                               "failed\n", 0, 0, 0 );
+               LDAP_LOG( OPERATION, INFO, "doPreSearchPluginFNs: search preoperation plugin "
+                               "returned %d\n", rc, 0, 0 );
 #else
-               Debug(LDAP_DEBUG_TRACE, "do_search: search preOps "
-                               "failed.\n", 0, 0, 0);
+               Debug(LDAP_DEBUG_TRACE, "doPreSearchPluginFNs: search preoperation plugin "
+                               "returned %d.\n", rc, 0, 0);
 #endif
-    }
-#endif /* defined( LDAP_SLAPI ) */
-
-       /* actually do the search and send the result(s) */
-       if ( be->be_search ) {
-               (*be->be_search)( be, conn, op, &pbase, &nbase,
-                       scope, deref, sizelimit,
-                       timelimit, filter, &fstr, an, attrsonly );
+               if ( slapi_pblock_get( pb, SLAPI_RESULT_CODE, (void *)&rc ) != 0)
+                       rc = LDAP_OTHER;
        } else {
-               send_ldap_result( conn, op, rc = LDAP_UNWILLING_TO_PERFORM,
-                       NULL, "operation not supported within namingContext",
-                       NULL, NULL );
+               rc = LDAP_SUCCESS;
        }
 
-#if defined( LDAP_SLAPI )
-       rc = doPluginFNs( be, SLAPI_PLUGIN_POST_SEARCH_FN, pb );
-       if ( rc != 0 && rc != LDAP_OTHER ) {
+       return rc;
+}
+
+static int doSearchRewriteFNs( Backend *be, Slapi_PBlock *pb, Filter **filter, struct berval *fstr )
+{
+       if ( doPluginFNs( be, SLAPI_PLUGIN_COMPUTE_SEARCH_REWRITER_FN, pb ) == 0 ) {
                /*
-                * either there is no postOp (search) plugins
-                * or a plugin failed. Just log it
-                *
-                * FIXME: is this correct?
+                * The plugin can set the SLAPI_SEARCH_FILTER.
+                * SLAPI_SEARCH_STRFILER is not normative.
                 */
+               slapi_pblock_get( pb, SLAPI_SEARCH_FILTER, (void *)filter);
+               ch_free( fstr->bv_val );
+               filter2bv( *filter, fstr );
 #ifdef NEW_LOGGING
-               LDAP_LOG( OPERATION, INFO, "do_search: search postOps "
-                               "failed\n", 0, 0, 0 );
+               LDAP_LOG( OPERATION, ARGS, 
+                       "doSearchRewriteFNs: after compute_rewrite_search filter: %s\n", 
+                       fstr->bv_len ? fstr->bv_val : "empty", 0, 0 );
 #else
-               Debug(LDAP_DEBUG_TRACE, "do_search: search postOps "
-                               "failed.\n", 0, 0, 0);
+               Debug( LDAP_DEBUG_ARGS, "    after compute_rewrite_search filter: %s\n",
+                       fstr->bv_len ? fstr->bv_val : "empty", 0, 0 );
 #endif
-    }
-#endif /* defined( LDAP_SLAPI ) */
+       }
 
-return_results:;
-#ifdef LDAP_CLIENT_UPDATE
-       if ( !( op->o_clientupdate_type & SLAP_LCUP_PERSIST ) )
-#endif /* LDAP_CLIENT_UPDATE */
-       {
-               if( pbase.bv_val != NULL) free( pbase.bv_val );
-               if( nbase.bv_val != NULL) free( nbase.bv_val );
+       return LDAP_SUCCESS;
+}
 
-               if( fstr.bv_val != NULL) free( fstr.bv_val );
-               if( filter != NULL) filter_free( filter );
-               if( an != NULL ) free( an );
+static void doPostSearchPluginFNs( Backend *be, Slapi_PBlock *pb )
+{
+       if ( doPluginFNs( be, SLAPI_PLUGIN_POST_SEARCH_FN, pb ) != 0 ) {
+#ifdef NEW_LOGGING
+               LDAP_LOG( OPERATION, INFO, "doPostSearchPluginFNs: search postoperation plugins "
+                               "failed\n", 0, 0, 0 );
+#else
+               Debug(LDAP_DEBUG_TRACE, "doPostSearchPluginFNs: search postoperation plugins "
+                               "failed.\n", 0, 0, 0);
+#endif
        }
+}
 
-       return rc;
+void dummy(void)
+{
+       /*
+        * XXX slapi_search_internal() was no getting pulled
+        * in; all manner of linker flags failed to link it.
+        * FIXME
+        */
+       slapi_search_internal( NULL, 0, NULL, NULL, NULL, 0 );
 }
+#endif /* LDAP_SLAPI */
+