diff options
Diffstat (limited to 'source4/dsdb/samdb/ldb_modules/schema_fsmo.c')
-rw-r--r-- | source4/dsdb/samdb/ldb_modules/schema_fsmo.c | 113 |
1 files changed, 101 insertions, 12 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/schema_fsmo.c b/source4/dsdb/samdb/ldb_modules/schema_fsmo.c index c482ab57df..2b6606c147 100644 --- a/source4/dsdb/samdb/ldb_modules/schema_fsmo.c +++ b/source4/dsdb/samdb/ldb_modules/schema_fsmo.c @@ -5,6 +5,7 @@ checkings, it also loads the dsdb_schema. Copyright (C) Stefan Metzmacher <metze@samba.org> 2007 + Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -28,6 +29,7 @@ #include "librpc/gen_ndr/ndr_drsuapi.h" #include "librpc/gen_ndr/ndr_drsblobs.h" #include "param/param.h" +#include "dsdb/samdb/ldb_modules/util.h" static int generate_objectClasses(struct ldb_context *ldb, struct ldb_message *msg, const struct dsdb_schema *schema); @@ -90,13 +92,107 @@ struct schema_fsmo_search_data { const struct dsdb_schema *schema; }; +/* + Given an LDB module (pointing at the schema DB), and the DN, set the populated schema +*/ + +static int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_module *module, + struct smb_iconv_convenience *iconv_convenience, + struct ldb_dn *schema_dn, + struct dsdb_schema **schema) +{ + TALLOC_CTX *tmp_ctx; + char *error_string; + int ret; + struct ldb_context *ldb = ldb_module_get_ctx(module); + struct ldb_result *schema_res; + struct ldb_result *a_res; + struct ldb_result *c_res; + static const char *schema_attrs[] = { + "prefixMap", + "schemaInfo", + "fSMORoleOwner", + NULL + }; + unsigned flags; + + tmp_ctx = talloc_new(mem_ctx); + if (!tmp_ctx) { + ldb_oom(ldb); + return LDB_ERR_OPERATIONS_ERROR; + } + + /* we don't want to trace the schema load */ + flags = ldb_get_flags(ldb); + ldb_set_flags(ldb, flags & ~LDB_FLG_ENABLE_TRACING); + + /* + * setup the prefix mappings and schema info + */ + ret = dsdb_module_search_dn(module, tmp_ctx, &schema_res, + schema_dn, schema_attrs); + if (ret == LDB_ERR_NO_SUCH_OBJECT) { + goto failed; + } else if (ret != LDB_SUCCESS) { + ldb_asprintf_errstring(ldb, + "dsdb_schema: failed to search the schema head: %s", + ldb_errstring(ldb)); + goto failed; + } + + /* + * load the attribute definitions + */ + ret = dsdb_module_search(module, tmp_ctx, &a_res, + schema_dn, LDB_SCOPE_ONELEVEL, NULL, + "(objectClass=attributeSchema)"); + if (ret != LDB_SUCCESS) { + ldb_asprintf_errstring(ldb, + "dsdb_schema: failed to search attributeSchema objects: %s", + ldb_errstring(ldb)); + goto failed; + } + + /* + * load the objectClass definitions + */ + ret = dsdb_module_search(module, tmp_ctx, &c_res, + schema_dn, LDB_SCOPE_ONELEVEL, NULL, + "(objectClass=classSchema)"); + if (ret != LDB_SUCCESS) { + ldb_asprintf_errstring(ldb, + "dsdb_schema: failed to search attributeSchema objects: %s", + ldb_errstring(ldb)); + goto failed; + } + + ret = dsdb_schema_from_ldb_results(tmp_ctx, ldb, + lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), + schema_res, a_res, c_res, schema, &error_string); + if (ret != LDB_SUCCESS) { + ldb_asprintf_errstring(ldb, + "dsdb_schema load failed: %s", + error_string); + goto failed; + } + talloc_steal(mem_ctx, *schema); + +failed: + if (flags & LDB_FLG_ENABLE_TRACING) { + flags = ldb_get_flags(ldb); + ldb_set_flags(ldb, flags | LDB_FLG_ENABLE_TRACING); + } + talloc_free(tmp_ctx); + return ret; +} + + static int schema_fsmo_init(struct ldb_module *module) { struct ldb_context *ldb; TALLOC_CTX *mem_ctx; struct ldb_dn *schema_dn; struct dsdb_schema *schema; - char *error_string = NULL; int ret; struct schema_fsmo_private_data *data; @@ -134,9 +230,9 @@ static int schema_fsmo_init(struct ldb_module *module) return LDB_ERR_OPERATIONS_ERROR; } - ret = dsdb_schema_from_schema_dn(mem_ctx, ldb, + ret = dsdb_schema_from_schema_dn(mem_ctx, module, lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), - schema_dn, &schema, &error_string); + schema_dn, &schema); if (ret == LDB_ERR_NO_SUCH_OBJECT) { ldb_reset_err_string(ldb); @@ -147,9 +243,6 @@ static int schema_fsmo_init(struct ldb_module *module) } if (ret != LDB_SUCCESS) { - ldb_asprintf_errstring(ldb, - "schema_fsmo_init: dsdb_schema load failed: %s", - error_string); talloc_free(mem_ctx); return ret; } @@ -246,7 +339,6 @@ static int schema_fsmo_extended(struct ldb_module *module, struct ldb_request *r struct ldb_context *ldb; struct ldb_dn *schema_dn; struct dsdb_schema *schema; - char *error_string = NULL; int ret; TALLOC_CTX *mem_ctx; @@ -270,9 +362,9 @@ static int schema_fsmo_extended(struct ldb_module *module, struct ldb_request *r return LDB_ERR_OPERATIONS_ERROR; } - ret = dsdb_schema_from_schema_dn(mem_ctx, ldb, + ret = dsdb_schema_from_schema_dn(mem_ctx, module, lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")), - schema_dn, &schema, &error_string); + schema_dn, &schema); if (ret == LDB_ERR_NO_SUCH_OBJECT) { ldb_reset_err_string(ldb); @@ -283,9 +375,6 @@ static int schema_fsmo_extended(struct ldb_module *module, struct ldb_request *r } if (ret != LDB_SUCCESS) { - ldb_asprintf_errstring(ldb, - "schema_fsmo_extended: dsdb_schema load failed: %s", - error_string); talloc_free(mem_ctx); return ldb_next_request(module, req); } |