s4-dsdb: pass parent request to dsdb_module_*() functions
[samba.git] / source4 / dsdb / samdb / ldb_modules / samba_dsdb.c
index 08df460f8585ed3d8305766d9f53cc668e36515f..bc5784e5acf28cdea95fcdd2b9357ca434df7df9 100644 (file)
 #include "lib/ldb/include/ldb.h"
 #include "lib/ldb/include/ldb_errors.h"
 #include "lib/ldb/include/ldb_module.h"
-#include "lib/ldb/include/ldb_private.h"
-
 #include "dsdb/samdb/ldb_modules/util.h"
 #include "dsdb/samdb/samdb.h"
 #include "librpc/ndr/libndr.h"
 
 static int read_at_rootdse_record(struct ldb_context *ldb, struct ldb_module *module, TALLOC_CTX *mem_ctx,
-                                 struct ldb_message **msg)
+                                 struct ldb_message **msg, struct ldb_request *parent)
 {
        int ret;
        static const char *rootdse_attrs[] = { "defaultNamingContext", "configurationNamingContext", "schemaNamingContext", NULL };
@@ -49,18 +47,17 @@ static int read_at_rootdse_record(struct ldb_context *ldb, struct ldb_module *mo
        struct ldb_dn *rootdse_dn;
        TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
        if (!tmp_ctx) {
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
        }
 
        rootdse_dn = ldb_dn_new(tmp_ctx, ldb, "@ROOTDSE");
        if (!rootdse_dn) {
                talloc_free(tmp_ctx);
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
        }
 
-       ret = dsdb_module_search_dn(module, tmp_ctx, &rootdse_res, rootdse_dn, rootdse_attrs, 0);
+       ret = dsdb_module_search_dn(module, tmp_ctx, &rootdse_res, rootdse_dn,
+                                   rootdse_attrs, DSDB_FLAG_NEXT_MODULE, parent);
        if (ret != LDB_SUCCESS) {
                talloc_free(tmp_ctx);
                return ret;
@@ -87,8 +84,7 @@ static int prepare_modules_line(struct ldb_context *ldb,
        char *full_string;
        TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
        if (!tmp_ctx) {
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
        }
 
        if (backend_attr) {
@@ -112,22 +108,19 @@ static int prepare_modules_line(struct ldb_context *ldb,
        }
        if (!backend_full_list) {
                talloc_free(tmp_ctx);
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
        }
 
        backend_full_list = str_list_append_const(backend_full_list, backend_mod_list);
        if (!backend_full_list) {
                talloc_free(tmp_ctx);
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
        }
 
        mod_list_string = str_list_join(tmp_ctx, backend_full_list, ',');
        if (!mod_list_string) {
                talloc_free(tmp_ctx);
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
        }
 
        full_string = talloc_asprintf(tmp_ctx, "%s:%s", backend_dn, mod_list_string);
@@ -180,13 +173,13 @@ static int samba_dsdb_init(struct ldb_module *module)
                                             "objectclass",
                                             "descriptor",
                                             "acl",
+                                            "aclread",
                                             "samldb",
                                             "password_hash",
                                             "operational",
-                                            "objectclass_attrs",
-                                            "kludge_acl",
                                             "schema_load",
                                             "instancetype",
+                                            "objectclass_attrs",
                                             NULL };
 
        const char **link_modules;
@@ -214,23 +207,27 @@ static int samba_dsdb_init(struct ldb_module *module)
 
        const char **backend_modules;
        static const char *fedora_ds_backend_modules[] = {
-               "nsuniqueid", "paged_searches", NULL };
+               "nsuniqueid", "paged_searches", "simple_dn", NULL };
        static const char *openldap_backend_modules[] = {
-               "entryuuid", "paged_searches", NULL };
+               "entryuuid", "paged_searches", "simple_dn", NULL };
 
        static const char *samba_dsdb_attrs[] = { "backendType", "serverRole", NULL };
        const char *backendType, *serverRole;
 
        if (!tmp_ctx) {
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
+       }
+
+       ret = ldb_register_samba_handlers(ldb);
+       if (ret != LDB_SUCCESS) {
+               talloc_free(tmp_ctx);
+               return ret;
        }
 
        samba_dsdb_dn = ldb_dn_new(tmp_ctx, ldb, "@SAMBA_DSDB");
        if (!samba_dsdb_dn) {
                talloc_free(tmp_ctx);
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
        }
 
 #define CHECK_LDB_RET(check_ret)                               \
@@ -241,7 +238,8 @@ static int samba_dsdb_init(struct ldb_module *module)
                }                                               \
        } while (0)
 
-       ret = dsdb_module_search_dn(module, tmp_ctx, &res, samba_dsdb_dn, samba_dsdb_attrs, 0);
+       ret = dsdb_module_search_dn(module, tmp_ctx, &res, samba_dsdb_dn,
+                                   samba_dsdb_attrs, DSDB_FLAG_NEXT_MODULE, NULL);
        if (ret == LDB_ERR_NO_SUCH_OBJECT) {
                backendType = "ldb";
                serverRole = "domain controller";
@@ -266,6 +264,12 @@ static int samba_dsdb_init(struct ldb_module *module)
                        link_modules = openldap_modules;
                        backend_modules = openldap_backend_modules;
                        extended_dn_module = extended_dn_module_openldap;
+               } else {
+                       return ldb_error(ldb, LDB_ERR_OPERATIONS_ERROR, "invalid backend type");
+               }
+               ret = ldb_set_opaque(ldb, "readOnlySchema", (void*)1);
+               if (ret != LDB_SUCCESS) {
+                       ldb_set_errstring(ldb, "Failed to set readOnlySchema opaque");
                }
        }
 
@@ -273,8 +277,7 @@ static int samba_dsdb_init(struct ldb_module *module)
        do {                                                    \
                if (!final_module_list) {                       \
                        talloc_free(tmp_ctx);                   \
-                       ldb_oom(ldb);                           \
-                       return LDB_ERR_OPERATIONS_ERROR;        \
+                       return ldb_oom(ldb);                    \
                }                                               \
        } while (0)
 
@@ -291,7 +294,7 @@ static int samba_dsdb_init(struct ldb_module *module)
        CHECK_MODULE_LIST;
 
 
-       ret = read_at_rootdse_record(ldb, module, tmp_ctx, &rootdse_msg);
+       ret = read_at_rootdse_record(ldb, module, tmp_ctx, &rootdse_msg, NULL);
        CHECK_LDB_RET(ret);
 
        partition_msg = ldb_msg_new(tmp_ctx);
@@ -332,8 +335,7 @@ static int samba_dsdb_init(struct ldb_module *module)
        reverse_module_list = talloc_array(tmp_ctx, const char *, len+1);
        if (!reverse_module_list) {
                talloc_free(tmp_ctx);
-               ldb_oom(ldb);
-               return LDB_ERR_OPERATIONS_ERROR;
+               return ldb_oom(ldb);
        }
        for (i=0; i < len; i++) {
                reverse_module_list[i] = final_module_list[(len - 1) - i];
@@ -343,18 +345,24 @@ static int samba_dsdb_init(struct ldb_module *module)
        /* The backend (at least until the partitions module
         * reconfigures things) is the next module in the currently
         * loaded chain */
-       backend_module = module->next;
-       ret = ldb_load_modules_list(ldb, reverse_module_list, backend_module, &module_chain);
+       backend_module = ldb_module_next(module);
+       ret = ldb_module_load_list(ldb, reverse_module_list, backend_module, &module_chain);
        CHECK_LDB_RET(ret);
 
        talloc_free(tmp_ctx);
        /* Set this as the 'next' module, so that we effectivly append it to module chain */
-       module->next = module_chain;
+       ldb_module_set_next(module, module_chain);
 
        return ldb_next_init(module);
 }
 
-const struct ldb_module_ops ldb_samba_dsdb_module_ops = {
+static const struct ldb_module_ops ldb_samba_dsdb_module_ops = {
        .name              = "samba_dsdb",
        .init_context      = samba_dsdb_init,
 };
+
+int ldb_samba_dsdb_module_init(const char *version)
+{
+       LDB_MODULE_CHECK_VERSION(version);
+       return ldb_register_module(&ldb_samba_dsdb_module_ops);
+}