diff options
Diffstat (limited to 'source4')
| -rw-r--r-- | source4/dsdb/samdb/ldb_modules/samldb.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/samldb.c b/source4/dsdb/samdb/ldb_modules/samldb.c index bf804fd54c..56b2c43c28 100644 --- a/source4/dsdb/samdb/ldb_modules/samldb.c +++ b/source4/dsdb/samdb/ldb_modules/samldb.c @@ -907,6 +907,182 @@ static int samldb_schema_info_update(struct samldb_ctx *ac) return LDB_SUCCESS; } +/* + * "Objectclass" trigger (MS-SAMR 3.1.1.8.1) + * + * Has to be invoked on "add" and "modify" operations on "user", "computer" and + * "group" objects. + * ac->msg contains the "add"/"modify" message + * ac->type contains the object type (main objectclass) + */ +static int samldb_objectclass_trigger(struct samldb_ctx *ac) +{ + struct ldb_context *ldb = ldb_module_get_ctx(ac->module); + struct loadparm_context *lp_ctx = talloc_get_type(ldb_get_opaque(ldb, + "loadparm"), struct loadparm_context); + struct ldb_message_element *el, *el2; + enum sid_generator sid_generator; + struct dom_sid *sid; + int ret; + + /* make sure that "sAMAccountType" is not specified */ + el = ldb_msg_find_element(ac->msg, "sAMAccountType"); + if (el != NULL) { + ldb_set_errstring(ldb, + "samldb: sAMAccountType must not be specified!"); + return LDB_ERR_UNWILLING_TO_PERFORM; + } + + /* Step 1: objectSid assignment */ + + /* Don't allow the objectSid to be changed. But beside the RELAX + * control we have also to guarantee that it can always be set with + * SYSTEM permissions. This is needed for the "samba3sam" backend. */ + sid = samdb_result_dom_sid(ac, ac->msg, "objectSid"); + if ((sid != NULL) && (!dsdb_module_am_system(ac->module)) && + (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID) == NULL)) { + ldb_asprintf_errstring(ldb, "No SID may be specified in user/group modifications for %s", + ldb_dn_get_linearized(ac->msg->dn)); + return LDB_ERR_UNWILLING_TO_PERFORM; + } + + /* but generate a new SID when we do have an add operations */ + if ((sid == NULL) && (ac->req->operation == LDB_ADD)) { + sid_generator = lpcfg_sid_generator(lp_ctx); + if (sid_generator == SID_GENERATOR_INTERNAL) { + ret = samldb_add_step(ac, samldb_allocate_sid); + if (ret != LDB_SUCCESS) return ret; + } + } + + if (strcmp(ac->type, "user") == 0) { + /* Step 1.2: Default values */ + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "userAccountControl", + talloc_asprintf(ac->msg, "%u", UF_NORMAL_ACCOUNT)); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "badPwdCount", "0"); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "codePage", "0"); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "countryCode", "0"); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "badPasswordTime", "0"); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "lastLogoff", "0"); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "lastLogon", "0"); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "pwdLastSet", "0"); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "accountExpires", "9223372036854775807"); + if (ret != LDB_SUCCESS) return ret; + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "logonCount", "0"); + if (ret != LDB_SUCCESS) return ret; + + el = ldb_msg_find_element(ac->msg, "userAccountControl"); + if (el != NULL) { + uint32_t user_account_control, account_type; + + /* Step 1.3: "userAccountControl" -> "sAMAccountType" mapping */ + user_account_control = strtoul((const char *)el->values[0].data, + NULL, 0); + account_type = ds_uf2atype(user_account_control); + if (account_type == 0) { + ldb_set_errstring(ldb, "samldb: Unrecognized account type!"); + return LDB_ERR_UNWILLING_TO_PERFORM; + } + ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg, + "sAMAccountType", + account_type); + if (ret != LDB_SUCCESS) { + return ret; + } + el2 = ldb_msg_find_element(ac->msg, "sAMAccountType"); + el2->flags = LDB_FLAG_MOD_REPLACE; + + if (user_account_control & + (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) { + ret = samdb_msg_set_string(ldb, ac->msg, ac->msg, + "isCriticalSystemObject", + "TRUE"); + if (ret != LDB_SUCCESS) { + return ret; + } + el2 = ldb_msg_find_element(ac->msg, + "isCriticalSystemObject"); + el2->flags = LDB_FLAG_MOD_REPLACE; + } + + /* Step 1.4: "userAccountControl" -> "primaryGroupID" mapping */ + if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) { + uint32_t rid = ds_uf2prim_group_rid(user_account_control); + ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg, + "primaryGroupID", rid); + if (ret != LDB_SUCCESS) { + return ret; + } + el2 = ldb_msg_find_element(ac->msg, + "primaryGroupID"); + el2->flags = LDB_FLAG_MOD_REPLACE; + } + + /* Step 1.5: Add additional flags when needed */ + if ((user_account_control & UF_NORMAL_ACCOUNT) && + (ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID) == NULL)) { + user_account_control |= UF_ACCOUNTDISABLE; + user_account_control |= UF_PASSWD_NOTREQD; + + ret = samdb_msg_set_uint(ldb, ac->msg, ac->msg, + "userAccountControl", + user_account_control); + if (ret != LDB_SUCCESS) { + return ret; + } + } + } + + } else if (strcmp(ac->type, "group") == 0) { + /* Step 2.2: Default values */ + ret = samdb_find_or_add_attribute(ldb, ac->msg, + "groupType", + talloc_asprintf(ac->msg, "%u", GTYPE_SECURITY_GLOBAL_GROUP)); + if (ret != LDB_SUCCESS) return ret; + + /* Step 2.3: "groupType" -> "sAMAccountType" */ + el = ldb_msg_find_element(ac->msg, "groupType"); + if (el != NULL) { + uint32_t group_type, account_type; + + group_type = strtoul((const char *)el->values[0].data, + NULL, 0); + account_type = ds_gtype2atype(group_type); + if (account_type == 0) { + ldb_set_errstring(ldb, "samldb: Unrecognized account type!"); + return LDB_ERR_UNWILLING_TO_PERFORM; + } + ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg, + "sAMAccountType", + account_type); + if (ret != LDB_SUCCESS) { + return ret; + } + el2 = ldb_msg_find_element(ac->msg, "sAMAccountType"); + el2->flags = LDB_FLAG_MOD_REPLACE; + } + } + + return LDB_SUCCESS; +} static int samldb_prim_group_change(struct samldb_ctx *ac) { |