*
* Component: ldb samldb module
*
- * Description: add embedded user/group creation functionality
+ * Description: various internal DSDB triggers - most for SAM specific objects
*
* Author: Simo Sorce
*/
#include "ldb_module.h"
#include "dsdb/samdb/samdb.h"
#include "dsdb/samdb/ldb_modules/util.h"
+#include "dsdb/samdb/ldb_modules/ridalloc.h"
#include "libcli/security/security.h"
#include "librpc/gen_ndr/ndr_security.h"
-#include "../lib/util/util_ldb.h"
#include "ldb_wrap.h"
#include "param/param.h"
/* the resulting message */
struct ldb_message *msg;
- /* holds the entry SID */
- struct dom_sid *sid;
-
- /* holds a generic dn */
- struct ldb_dn *dn;
-
- /* used in conjunction with "sid" in "samldb_dn_from_sid" and
- * "samldb_find_for_defaultObjectCategory" */
- struct ldb_dn *res_dn;
+ /* used in "samldb_find_for_defaultObjectCategory" */
+ struct ldb_dn *dn, *res_dn;
/* all the async steps necessary to complete the operation */
struct samldb_step *steps;
step = talloc_zero(ac, struct samldb_step);
if (step == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb_module_get_ctx(ac->module));
}
step->fn = fn;
ac->curstep = step;
} else {
if (ac->curstep == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb_module_get_ctx(ac->module));
for (stepper = ac->curstep; stepper->next != NULL;
stepper = stepper->next);
stepper->next = step;
static int samldb_first_step(struct samldb_ctx *ac)
{
if (ac->steps == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb_module_get_ctx(ac->module));
}
ac->curstep = ac->steps;
}
}
-static int samldb_generate_samAccountName(struct ldb_message *msg)
+
+/* sAMAccountName handling */
+
+static int samldb_generate_sAMAccountName(struct ldb_context *ldb, struct ldb_message *msg)
{
char *name;
(unsigned int)generate_random(),
(unsigned int)generate_random());
if (name == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
- return ldb_msg_add_steal_string(msg, "samAccountName", name);
+ return ldb_msg_add_steal_string(msg, "sAMAccountName", name);
}
-/*
- * samldb_check_samAccountName (async)
- */
-
-static int samldb_check_samAccountName_callback(struct ldb_request *req,
- struct ldb_reply *ares)
+static int samldb_check_sAMAccountName(struct samldb_ctx *ac)
{
- struct samldb_ctx *ac;
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ const char *name;
int ret;
- ac = talloc_get_type(req->context, struct samldb_ctx);
-
- if (ares->error != LDB_SUCCESS) {
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
- }
-
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- /* if we get an entry it means this samAccountName
- * already exists */
- return ldb_module_done(ac->req, NULL, NULL,
- LDB_ERR_ENTRY_ALREADY_EXISTS);
-
- case LDB_REPLY_REFERRAL:
- /* ignore */
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_DONE:
- /* not found, go on */
- talloc_free(ares);
- ret = samldb_next_step(ac);
- break;
- }
-
- if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL, ret);
+ if (ldb_msg_find_element(ac->msg, "sAMAccountName") == NULL) {
+ ret = samldb_generate_sAMAccountName(ldb, ac->msg);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
}
- return LDB_SUCCESS;
-}
-
-static int samldb_check_samAccountName(struct samldb_ctx *ac)
-{
- struct ldb_context *ldb;
- struct ldb_request *req;
- const char *name;
- char *filter;
- int ret;
-
- ldb = ldb_module_get_ctx(ac->module);
-
- if (ldb_msg_find_element(ac->msg, "samAccountName") == NULL) {
- ret = samldb_generate_samAccountName(ac->msg);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
-
- name = ldb_msg_find_attr_as_string(ac->msg, "samAccountName", NULL);
+ name = ldb_msg_find_attr_as_string(ac->msg, "sAMAccountName", NULL);
if (name == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- filter = talloc_asprintf(ac, "samAccountName=%s",
- ldb_binary_encode_string(ac, name));
- if (filter == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
- ret = ldb_build_search_req(&req, ldb, ac,
- ldb_get_default_basedn(ldb),
- LDB_SCOPE_SUBTREE,
- filter, NULL,
- NULL,
- ac, samldb_check_samAccountName_callback,
- ac->req);
- talloc_free(filter);
- if (ret != LDB_SUCCESS) {
- return ret;
+ return ldb_operr(ldb);
}
- return ldb_next_request(ac->module, req);
-}
-
-
-static int samldb_check_samAccountType(struct samldb_ctx *ac)
-{
- struct ldb_context *ldb;
- unsigned int account_type;
- unsigned int group_type;
- unsigned int uac;
- int ret;
-
- ldb = ldb_module_get_ctx(ac->module);
- /* make sure sAMAccountType is not specified */
- if (ldb_msg_find_element(ac->msg, "sAMAccountType") != NULL) {
- ldb_asprintf_errstring(ldb,
- "sAMAccountType must not be specified!");
- return LDB_ERR_UNWILLING_TO_PERFORM;
+ ret = samdb_search_count(ldb, NULL, "(sAMAccountName=%s)",
+ ldb_binary_encode_string(ac, name));
+ if ((ret < 0) || (ret > 1)) {
+ return ldb_operr(ldb);
}
-
- if (strcmp("user", ac->type) == 0) {
- uac = samdb_result_uint(ac->msg, "userAccountControl", 0);
- if (uac == 0) {
- ldb_asprintf_errstring(ldb,
- "userAccountControl invalid!");
- return LDB_ERR_UNWILLING_TO_PERFORM;
- } else {
- account_type = ds_uf2atype(uac);
- ret = samdb_msg_add_uint(ldb,
- ac->msg, ac->msg,
- "sAMAccountType",
- account_type);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
- } else
- if (strcmp("group", ac->type) == 0) {
-
- group_type = samdb_result_uint(ac->msg, "groupType", 0);
- if (group_type == 0) {
- ldb_asprintf_errstring(ldb,
- "groupType invalid!\n");
- return LDB_ERR_UNWILLING_TO_PERFORM;
- } else {
- account_type = ds_gtype2atype(group_type);
- ret = samdb_msg_add_uint(ldb,
- ac->msg, ac->msg,
- "sAMAccountType",
- account_type);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- }
+ if (ret == 1) {
+ return LDB_ERR_ENTRY_ALREADY_EXISTS;
}
return samldb_next_step(ac);
}
+
static bool samldb_msg_add_sid(struct ldb_message *msg,
const char *name,
const struct dom_sid *sid)
static int samldb_allocate_sid(struct samldb_ctx *ac)
{
uint32_t rid;
- int ret;
+ struct dom_sid *sid;
struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ int ret;
ret = ridalloc_allocate_rid(ac->module, &rid);
if (ret != LDB_SUCCESS) {
return ret;
}
- ac->sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
- if (ac->sid == NULL) {
- ldb_module_oom(ac->module);
- return LDB_ERR_OPERATIONS_ERROR;
+ sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
+ if (sid == NULL) {
+ return ldb_module_oom(ac->module);
}
- if ( ! samldb_msg_add_sid(ac->msg, "objectSid", ac->sid)) {
- return LDB_ERR_OPERATIONS_ERROR;
+ if ( ! samldb_msg_add_sid(ac->msg, "objectSid", sid)) {
+ return ldb_operr(ldb);
}
return samldb_next_step(ac);
}
/*
- * samldb_dn_from_sid (async)
+ see if a krbtgt_number is available
*/
-
-static int samldb_dn_from_sid(struct samldb_ctx *ac);
-
-static int samldb_dn_from_sid_callback(struct ldb_request *req,
- struct ldb_reply *ares)
+static bool samldb_krbtgtnumber_available(struct samldb_ctx *ac, unsigned krbtgt_number)
{
- struct ldb_context *ldb;
- struct samldb_ctx *ac;
+ TALLOC_CTX *tmp_ctx = talloc_new(ac);
+ struct ldb_result *res;
+ const char *attrs[] = { NULL };
int ret;
- ac = talloc_get_type(req->context, struct samldb_ctx);
- ldb = ldb_module_get_ctx(ac->module);
-
- if (!ares) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
- }
- if (ares->error != LDB_SUCCESS) {
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
- }
-
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- /* save entry */
- if (ac->res_dn != NULL) {
- /* one too many! */
- ldb_set_errstring(ldb,
- "Invalid number of results while searching "
- "for domain objects!");
- ret = LDB_ERR_OPERATIONS_ERROR;
- break;
- }
- ac->res_dn = ldb_dn_copy(ac, ares->message->dn);
-
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_REFERRAL:
- /* ignore */
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
-
- case LDB_REPLY_DONE:
- talloc_free(ares);
-
- /* found or not found, go on */
- ret = samldb_next_step(ac);
- break;
- }
-
-done:
- if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL, ret);
+ ret = dsdb_module_search(ac->module, tmp_ctx, &res, NULL, LDB_SCOPE_SUBTREE,
+ attrs, DSDB_FLAG_NEXT_MODULE,
+ "msDC-SecondaryKrbTgtNumber=%u", krbtgt_number);
+ if (ret == LDB_SUCCESS && res->count == 0) {
+ talloc_free(tmp_ctx);
+ return true;
}
-
- return LDB_SUCCESS;
+ talloc_free(tmp_ctx);
+ return false;
}
-/* Finds the DN "res_dn" of an object with a given SID "sid" */
-static int samldb_dn_from_sid(struct samldb_ctx *ac)
+/* special handling for add in RODC join */
+static int samldb_rodc_add(struct samldb_ctx *ac)
{
- struct ldb_context *ldb;
- static const char * const attrs[] = { NULL };
- struct ldb_request *req;
- char *filter;
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ uint32_t krbtgt_number, i_start, i;
int ret;
+ char *newpass;
- ldb = ldb_module_get_ctx(ac->module);
-
- if (ac->sid == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
-
- filter = talloc_asprintf(ac, "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(ac, ac->sid));
- if (filter == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
-
- ret = ldb_build_search_req(&req, ldb, ac,
- ldb_get_default_basedn(ldb),
- LDB_SCOPE_SUBTREE,
- filter, attrs,
- NULL,
- ac, samldb_dn_from_sid_callback,
- ac->req);
- if (ret != LDB_SUCCESS)
- return ret;
-
- return ldb_next_request(ac->module, req);
-}
-
-
-static int samldb_check_primaryGroupID_1(struct samldb_ctx *ac)
-{
- struct ldb_context *ldb;
- uint32_t rid;
-
- ldb = ldb_module_get_ctx(ac->module);
-
- rid = samdb_result_uint(ac->msg, "primaryGroupID", ~0);
- ac->sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
- if (ac->sid == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
- ac->res_dn = NULL;
-
- return samldb_next_step(ac);
-}
-
-static int samldb_check_primaryGroupID_2(struct samldb_ctx *ac)
-{
- if (ac->res_dn == NULL) {
- struct ldb_context *ldb;
- ldb = ldb_module_get_ctx(ac->module);
- ldb_asprintf_errstring(ldb,
- "Failed to find group sid %s!",
- dom_sid_string(ac->sid, ac->sid));
- return LDB_ERR_UNWILLING_TO_PERFORM;
+ /* find a unused msDC-SecondaryKrbTgtNumber */
+ i_start = generate_random() & 0xFFFF;
+ if (i_start == 0) {
+ i_start = 1;
}
- return samldb_next_step(ac);
-}
-
-
-/*
- * samldb_find_for_defaultObjectCategory (async)
- */
-
-static int samldb_find_for_defaultObjectCategory_callback(struct ldb_request *req,
- struct ldb_reply *ares)
-{
- struct ldb_context *ldb;
- struct samldb_ctx *ac;
- int ret;
-
- ac = talloc_get_type(req->context, struct samldb_ctx);
- ldb = ldb_module_get_ctx(ac->module);
-
- if (!ares) {
- ret = LDB_ERR_OPERATIONS_ERROR;
- goto done;
+ for (i=i_start; i<=0xFFFF; i++) {
+ if (samldb_krbtgtnumber_available(ac, i)) {
+ krbtgt_number = i;
+ goto found;
+ }
}
- if (ares->error != LDB_SUCCESS) {
- if (ares->error == LDB_ERR_NO_SUCH_OBJECT) {
- if (ldb_request_get_control(ac->req,
- LDB_CONTROL_RELAX_OID) != NULL) {
- /* Don't be pricky when the DN doesn't exist */
- /* if we have the RELAX control specified */
- ac->res_dn = req->op.search.base;
- return samldb_next_step(ac);
- } else {
- ldb_set_errstring(ldb,
- "samldb_find_defaultObjectCategory: "
- "Invalid DN for 'defaultObjectCategory'!");
- ares->error = LDB_ERR_CONSTRAINT_VIOLATION;
- }
+ for (i=1; i<i_start; i++) {
+ if (samldb_krbtgtnumber_available(ac, i)) {
+ krbtgt_number = i;
+ goto found;
}
-
- return ldb_module_done(ac->req, ares->controls,
- ares->response, ares->error);
}
- switch (ares->type) {
- case LDB_REPLY_ENTRY:
- ac->res_dn = talloc_steal(ac, ares->message->dn);
+ ldb_asprintf_errstring(ldb,
+ "%08X: Unable to find available msDS-SecondaryKrbTgtNumber",
+ W_ERROR_V(WERR_NO_SYSTEM_RESOURCES));
+ return LDB_ERR_OTHER;
- ret = LDB_SUCCESS;
- break;
+found:
+ ret = ldb_msg_add_empty(ac->msg, "msDS-SecondaryKrbTgtNumber", LDB_FLAG_INTERNAL_DISABLE_VALIDATION, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ldb_operr(ldb);
+ }
- case LDB_REPLY_REFERRAL:
- /* ignore */
- talloc_free(ares);
- ret = LDB_SUCCESS;
- break;
+ ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
+ "msDS-SecondaryKrbTgtNumber", krbtgt_number);
+ if (ret != LDB_SUCCESS) {
+ return ldb_operr(ldb);
+ }
- case LDB_REPLY_DONE:
- talloc_free(ares);
+ ret = ldb_msg_add_fmt(ac->msg, "sAMAccountName", "krbtgt_%u", krbtgt_number);
+ if (ret != LDB_SUCCESS) {
+ return ldb_operr(ldb);
+ }
- if (ac->res_dn != NULL) {
- /* when found go on */
- ret = samldb_next_step(ac);
- } else {
- ret = LDB_ERR_OPERATIONS_ERROR;
- }
- break;
+ newpass = generate_random_password(ac, 128, 255);
+ if (newpass == NULL) {
+ return ldb_operr(ldb);
}
-done:
+ ret = ldb_msg_add_steal_string(ac->msg, "clearTextPassword", newpass);
if (ret != LDB_SUCCESS) {
- return ldb_module_done(ac->req, NULL, NULL, ret);
+ return ldb_operr(ldb);
}
- return LDB_SUCCESS;
+ return samldb_next_step(ac);
}
static int samldb_find_for_defaultObjectCategory(struct samldb_ctx *ac)
{
- struct ldb_context *ldb;
- struct ldb_request *req;
- static const char *no_attrs[] = { NULL };
- int ret;
-
- ldb = ldb_module_get_ctx(ac->module);
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ struct ldb_result *res;
+ const char *no_attrs[] = { NULL };
+ int ret;
ac->res_dn = NULL;
- ret = ldb_build_search_req(&req, ldb, ac,
- ac->dn, LDB_SCOPE_BASE,
- "(objectClass=classSchema)", no_attrs,
- NULL, ac,
- samldb_find_for_defaultObjectCategory_callback,
- ac->req);
- if (ret != LDB_SUCCESS) {
- return ret;
+ ret = dsdb_module_search(ac->module, ac, &res,
+ ac->dn, LDB_SCOPE_BASE, no_attrs,
+ DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT | DSDB_FLAG_NEXT_MODULE,
+ "(objectClass=classSchema)");
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ /* Don't be pricky when the DN doesn't exist if we have the */
+ /* RELAX control specified */
+ if (ldb_request_get_control(ac->req,
+ LDB_CONTROL_RELAX_OID) == NULL) {
+ ldb_set_errstring(ldb,
+ "samldb_find_defaultObjectCategory: "
+ "Invalid DN for 'defaultObjectCategory'!");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
}
-
- ret = dsdb_request_add_controls(req,
- DSDB_SEARCH_SHOW_DN_IN_STORAGE_FORMAT);
- if (ret != LDB_SUCCESS) {
+ if ((ret != LDB_ERR_NO_SUCH_OBJECT) && (ret != LDB_SUCCESS)) {
return ret;
}
- return ldb_next_request(ac->module, req);
+ ac->res_dn = ac->dn;
+
+ return samldb_next_step(ac);
}
/**
int ret;
bool id_exists;
uint32_t msds_intid;
- uint32_t system_flags;
+ int32_t system_flags;
struct ldb_context *ldb;
struct ldb_result *ldb_res;
struct ldb_dn *schema_dn;
}
/* check systemFlags for SCHEMA_BASE_OBJECT flag */
- system_flags = ldb_msg_find_attr_as_uint(ac->msg, "systemFlags", 0);
+ system_flags = ldb_msg_find_attr_as_int(ac->msg, "systemFlags", 0);
if (system_flags & SYSTEM_FLAG_SCHEMA_BASE_OBJECT) {
return LDB_SUCCESS;
}
ret = dsdb_module_search(ac->module, ac,
&ldb_res,
- schema_dn, LDB_SCOPE_ONELEVEL, NULL, 0,
+ schema_dn, LDB_SCOPE_ONELEVEL, NULL,
+ DSDB_FLAG_NEXT_MODULE,
"(msDS-IntId=%d)", msds_intid);
if (ret != LDB_SUCCESS) {
ldb_debug_set(ldb, LDB_DEBUG_ERROR,
__location__": Searching for msDS-IntId=%d failed - %s\n",
msds_intid,
ldb_errstring(ldb));
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
id_exists = (ldb_res->count > 0);
talloc_free(ldb_res);
} while(id_exists);
- return ldb_msg_add_fmt(ac->msg, "msDS-IntId", "%d", msds_intid);
+ return samdb_msg_add_int(ldb, ac->msg, ac->msg, "msDS-IntId",
+ msds_intid);
}
ac->req->controls,
ac, samldb_add_entry_callback,
ac->req);
+ LDB_REQ_SET_LOCATION(req);
if (ret != LDB_SUCCESS) {
return ret;
}
}
-static int samldb_fill_object(struct samldb_ctx *ac, const char *type)
+static int samldb_fill_object(struct samldb_ctx *ac)
{
- struct ldb_context *ldb;
- struct loadparm_context *lp_ctx;
- enum sid_generator sid_generator;
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
int ret;
- ldb = ldb_module_get_ctx(ac->module);
-
/* Add informations for the different account types */
- ac->type = type;
if (strcmp(ac->type, "user") == 0) {
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "userAccountControl", "546");
- 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;
- if (!ldb_msg_find_element(ac->msg, "primaryGroupID")) {
- ret = samdb_msg_add_uint(ldb, ac->msg, ac->msg,
- "primaryGroupID", DOMAIN_RID_USERS);
+ struct ldb_control *rodc_control = ldb_request_get_control(ac->req,
+ LDB_CONTROL_RODC_DCPROMO_OID);
+ if (rodc_control != NULL) {
+ /* see [MS-ADTS] 3.1.1.3.4.1.23 LDAP_SERVER_RODC_DCPROMO_OID */
+ rodc_control->critical = false;
+ ret = samldb_add_step(ac, samldb_rodc_add);
if (ret != LDB_SUCCESS) return ret;
}
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "accountExpires", "9223372036854775807");
+
+ /* check if we have a valid sAMAccountName */
+ ret = samldb_add_step(ac, samldb_check_sAMAccountName);
if (ret != LDB_SUCCESS) return ret;
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "logonCount", "0");
+
+ ret = samldb_add_step(ac, samldb_add_entry);
if (ret != LDB_SUCCESS) return ret;
+
} else if (strcmp(ac->type, "group") == 0) {
- ret = samdb_find_or_add_attribute(ldb, ac->msg,
- "groupType", "-2147483646");
+ /* check if we have a valid sAMAccountName */
+ ret = samldb_add_step(ac, samldb_check_sAMAccountName);
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = samldb_add_step(ac, samldb_add_entry);
if (ret != LDB_SUCCESS) return ret;
+
} else if (strcmp(ac->type, "classSchema") == 0) {
const struct ldb_val *rdn_value, *def_obj_cat_val;
return LDB_ERR_UNWILLING_TO_PERFORM;
}
-
rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
/* the RDN has prefix "CN" */
* caller. Use the entry DN for it. */
ac->dn = ac->msg->dn;
- ret = samdb_msg_add_string(ldb, ac, ac->msg,
+ ret = samdb_msg_add_string(ldb, ac->msg, ac->msg,
"defaultObjectCategory",
ldb_dn_get_linearized(ac->dn));
if (ret != LDB_SUCCESS) {
ret = samldb_add_step(ac, samldb_find_for_defaultObjectCategory);
if (ret != LDB_SUCCESS) return ret;
- return samldb_first_step(ac);
} else if (strcmp(ac->type, "attributeSchema") == 0) {
const struct ldb_val *rdn_value;
rdn_value = ldb_dn_get_rdn_val(ac->msg->dn);
if (!ldb_msg_find_element(ac->msg, "lDAPDisplayName")) {
/* the RDN has prefix "CN" */
ret = ldb_msg_add_string(ac->msg, "lDAPDisplayName",
- samdb_cn_to_lDAPDisplayName(ac,
+ samdb_cn_to_lDAPDisplayName(ac->msg,
(const char *) rdn_value->data));
if (ret != LDB_SUCCESS) {
ldb_oom(ldb);
ret = samldb_add_step(ac, samldb_add_entry);
if (ret != LDB_SUCCESS) return ret;
- return samldb_first_step(ac);
} else {
ldb_asprintf_errstring(ldb,
"Invalid entry type!");
return LDB_ERR_OPERATIONS_ERROR;
}
- /* check if we have a valid samAccountName */
- ret = samldb_add_step(ac, samldb_check_samAccountName);
- if (ret != LDB_SUCCESS) return ret;
-
- /* check account_type/group_type */
- ret = samldb_add_step(ac, samldb_check_samAccountType);
- if (ret != LDB_SUCCESS) return ret;
-
- /* check if we have a valid primary group ID */
- if (strcmp(ac->type, "user") == 0) {
- ret = samldb_add_step(ac, samldb_check_primaryGroupID_1);
- if (ret != LDB_SUCCESS) return ret;
- ret = samldb_add_step(ac, samldb_dn_from_sid);
- if (ret != LDB_SUCCESS) return ret;
- ret = samldb_add_step(ac, samldb_check_primaryGroupID_2);
- if (ret != LDB_SUCCESS) return ret;
- }
-
- lp_ctx = talloc_get_type(ldb_get_opaque(ldb, "loadparm"),
- struct loadparm_context);
-
- /* don't allow objectSID to be specified without the RELAX control */
- ac->sid = samdb_result_dom_sid(ac, ac->msg, "objectSid");
- if (ac->sid && !ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID) &&
- !dsdb_module_am_system(ac->module)) {
- ldb_asprintf_errstring(ldb, "No SID may be specified in user/group creation for %s",
- ldb_dn_get_linearized(ac->msg->dn));
- return LDB_ERR_UNWILLING_TO_PERFORM;
- }
-
- if ( ! ac->sid) {
- sid_generator = lp_sid_generator(lp_ctx);
- if (sid_generator == SID_GENERATOR_INTERNAL) {
- ret = samldb_add_step(ac, samldb_allocate_sid);
- if (ret != LDB_SUCCESS) return ret;
- }
- }
-
- /* finally proceed with adding the entry */
- ret = samldb_add_step(ac, samldb_add_entry);
- if (ret != LDB_SUCCESS) return ret;
-
- return samldb_first_step(ac);
-}
+ return samldb_first_step(ac);
+}
static int samldb_fill_foreignSecurityPrincipal_object(struct samldb_ctx *ac)
{
struct ldb_context *ldb;
+ struct dom_sid *sid;
int ret;
ldb = ldb_module_get_ctx(ac->module);
- ac->sid = samdb_result_dom_sid(ac->msg, ac->msg, "objectSid");
- if (ac->sid == NULL) {
- ac->sid = dom_sid_parse_talloc(ac->msg,
- (const char *)ldb_dn_get_rdn_val(ac->msg->dn)->data);
- if (!ac->sid) {
+ sid = samdb_result_dom_sid(ac->msg, ac->msg, "objectSid");
+ if (sid == NULL) {
+ sid = dom_sid_parse_talloc(ac->msg,
+ (const char *)ldb_dn_get_rdn_val(ac->msg->dn)->data);
+ if (sid == NULL) {
ldb_set_errstring(ldb,
"No valid SID found in "
"ForeignSecurityPrincipal CN!");
- talloc_free(ac);
return LDB_ERR_CONSTRAINT_VIOLATION;
}
- if ( ! samldb_msg_add_sid(ac->msg, "objectSid", ac->sid)) {
- talloc_free(ac);
- return LDB_ERR_OPERATIONS_ERROR;
+ if (! samldb_msg_add_sid(ac->msg, "objectSid", sid)) {
+ return ldb_operr(ldb);
}
}
static int samldb_schema_info_update(struct samldb_ctx *ac)
{
- WERROR werr;
+ int ret;
struct ldb_context *ldb;
struct dsdb_schema *schema;
ldb_debug_set(ldb, LDB_DEBUG_FATAL,
"samldb_schema_info_update: no dsdb_schema loaded");
DEBUG(0,(__location__ ": %s\n", ldb_errstring(ldb)));
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
- werr = dsdb_module_schema_info_update(ac->module, schema, 0);
- if (!W_ERROR_IS_OK(werr)) {
- ldb_debug_set(ldb, LDB_DEBUG_FATAL,
- "samldb_schema_info_update: "
- "dsdb_module_schema_info_update failed with %s",
- win_errstr(werr));
- DEBUG(0,(__location__ ": %s\n", ldb_errstring(ldb)));
- return LDB_ERR_OPERATIONS_ERROR;
+ ret = dsdb_module_schema_info_update(ac->module, schema, DSDB_FLAG_NEXT_MODULE);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb, "samldb_schema_info_update: dsdb_module_schema_info_update failed with %s",
+ ldb_errstring(ldb));
+ return ret;
}
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;
+ const char *tempstr;
+ 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 */
+ tempstr = talloc_asprintf(ac->msg, "%d", UF_NORMAL_ACCOUNT);
+ if (tempstr == NULL) return ldb_operr(ldb);
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "userAccountControl", tempstr);
+ 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 = ldb_msg_find_attr_as_uint(ac->msg,
+ "userAccountControl",
+ 0);
+
+ /* Temporary duplicate accounts aren't allowed */
+ if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
+ return LDB_ERR_OTHER;
+ }
+
+ 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 */
+ tempstr = talloc_asprintf(ac->msg, "%d",
+ GTYPE_SECURITY_GLOBAL_GROUP);
+ if (tempstr == NULL) return ldb_operr(ldb);
+ ret = samdb_find_or_add_attribute(ldb, ac->msg,
+ "groupType", tempstr);
+ 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 = ldb_msg_find_attr_as_uint(ac->msg,
+ "groupType", 0);
+
+ /* The creation of builtin groups requires the
+ * RELAX control */
+ if (group_type == GTYPE_SECURITY_BUILTIN_LOCAL_GROUP) {
+ if (ldb_request_get_control(ac->req,
+ LDB_CONTROL_RELAX_OID) == NULL) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ }
+
+ 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;
+}
+
+/*
+ * "Primary group ID" trigger (MS-SAMR 3.1.1.8.2)
+ *
+ * Has to be invoked on "add" and "modify" operations on "user" and "computer"
+ * objects.
+ * ac->msg contains the "add"/"modify" message
+ */
+
+static int samldb_prim_group_set(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
+ struct ldb_dn *prim_group_dn;
+ uint32_t rid;
+ struct dom_sid *sid;
+
+ rid = ldb_msg_find_attr_as_uint(ac->msg, "primaryGroupID", (uint32_t) -1);
+ if (rid == (uint32_t) -1) {
+ /* we aren't affected of any primary group set */
+ return LDB_SUCCESS;
+
+ } else if (!ldb_request_get_control(ac->req, LDB_CONTROL_RELAX_OID)) {
+ ldb_set_errstring(ldb,
+ "The primary group isn't settable on add operations!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
+ if (sid == NULL) {
+ return ldb_operr(ldb);
+ }
+
+ prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, sid));
+ if (prim_group_dn == NULL) {
+ ldb_asprintf_errstring(ldb,
+ "Failed to find primary group with RID %u!",
+ rid);
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+
+ return LDB_SUCCESS;
+}
static int samldb_prim_group_change(struct samldb_ctx *ac)
{
- struct ldb_context *ldb;
+ struct ldb_context *ldb = ldb_module_get_ctx(ac->module);
const char * attrs[] = { "primaryGroupID", "memberOf", NULL };
struct ldb_result *res;
struct ldb_message_element *el;
struct ldb_dn *prev_prim_group_dn, *new_prim_group_dn;
int ret;
- ldb = ldb_module_get_ctx(ac->module);
-
/* Fetch informations from the existing object */
ret = ldb_search(ldb, ac, &res, ac->msg->dn, LDB_SCOPE_BASE, attrs,
/* Finds out the DN of the old primary group */
- rid = samdb_result_uint(res->msgs[0], "primaryGroupID", (uint32_t) -1);
+ rid = ldb_msg_find_attr_as_uint(res->msgs[0], "primaryGroupID", (uint32_t) -1);
if (rid == (uint32_t) -1) {
/* User objects do always have a mandatory "primaryGroupID"
* attribute. If this doesn't exist then the object is of the
sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
if (sid == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
- prev_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSID=%s)",
- dom_sid_string(ac, sid));
+ prev_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, sid));
if (prev_prim_group_dn == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
/* Finds out the DN of the new primary group */
- rid = samdb_result_uint(ac->msg, "primaryGroupID", (uint32_t) -1);
+ rid = ldb_msg_find_attr_as_uint(ac->msg, "primaryGroupID", (uint32_t) -1);
if (rid == (uint32_t) -1) {
/* we aren't affected of any primary group change */
return LDB_SUCCESS;
sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb), rid);
if (sid == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
- new_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSID=%s)",
- dom_sid_string(ac, sid));
+ new_prim_group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, sid));
if (new_prim_group_dn == NULL) {
/* Here we know if the specified new primary group candidate is
* valid or not. */
return ret;
}
- ret = dsdb_module_modify(ac->module, msg, 0);
+ ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
if (ret != LDB_SUCCESS) {
return ret;
}
return ret;
}
- ret = dsdb_module_modify(ac->module, msg, 0);
+ ret = dsdb_module_modify(ac->module, msg, DSDB_FLAG_NEXT_MODULE);
if (ret != LDB_SUCCESS) {
return ret;
}
return LDB_SUCCESS;
}
+static int samldb_prim_group_trigger(struct samldb_ctx *ac)
+{
+ int ret;
+
+ if (ac->req->operation == LDB_ADD) {
+ ret = samldb_prim_group_set(ac);
+ } else {
+ ret = samldb_prim_group_change(ac);
+ }
+
+ return ret;
+}
static int samldb_member_check(struct samldb_ctx *ac)
{
* for them */
member_dn = ldb_dn_from_ldb_val(ac, ldb, &el->values[i]);
if (!ldb_dn_validate(member_dn)) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
prim_group_rid = samdb_search_uint(ldb, ac, (uint32_t) -1,
sid = dom_sid_add_rid(ac, samdb_domain_sid(ldb),
prim_group_rid);
if (sid == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
- group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSID=%s)",
- dom_sid_string(ac, sid));
+ group_dn = samdb_search_dn(ldb, ac, NULL, "(objectSid=%s)",
+ ldap_encode_ndr_dom_sid(ac, sid));
if (group_dn == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
if (ldb_dn_compare(group_dn, ac->msg->dn) == 0) {
}
-static int samldb_prim_group_users_check(struct samldb_ctx *ac)
-{
- struct ldb_context *ldb;
- struct dom_sid *sid;
- uint32_t rid;
- NTSTATUS status;
- int count;
-
- ldb = ldb_module_get_ctx(ac->module);
-
- /* Finds out the SID/RID of the SAM object */
- sid = samdb_search_dom_sid(ldb, ac, ac->req->op.del.dn, "objectSID",
- NULL);
- if (sid == NULL) {
- /* No SID - it might not be a SAM object - therefore ok */
- return LDB_SUCCESS;
- }
- status = dom_sid_split_rid(ac, sid, NULL, &rid);
- if (!NT_STATUS_IS_OK(status)) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- if (rid == 0) {
- /* Special object (security principal?) */
- return LDB_SUCCESS;
- }
-
- /* Deny delete requests from groups which are primary ones */
- count = samdb_search_count(ldb, NULL,
- "(&(primaryGroupID=%u)(objectClass=user))",
- rid);
- if (count < 0) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
- if (count > 0) {
- return LDB_ERR_ENTRY_ALREADY_EXISTS;
- }
-
- return LDB_SUCCESS;
-}
-
-
/* add */
static int samldb_add(struct ldb_module *module, struct ldb_request *req)
{
ac = samldb_ctx_init(module, req);
if (ac == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
/* build the new msg */
- ac->msg = ldb_msg_copy(ac, ac->req->op.add.message);
- if (!ac->msg) {
+ ac->msg = ldb_msg_copy_shallow(ac, req->op.add.message);
+ if (ac->msg == NULL) {
talloc_free(ac);
ldb_debug(ldb, LDB_DEBUG_FATAL,
- "samldb_add: ldb_msg_copy failed!\n");
- return LDB_ERR_OPERATIONS_ERROR;
+ "samldb_add: ldb_msg_copy_shallow failed!\n");
+ return ldb_operr(ldb);
}
if (samdb_find_attribute(ldb, ac->msg,
"objectclass", "user") != NULL) {
- return samldb_fill_object(ac, "user");
+ ac->type = "user";
+
+ ret = samldb_prim_group_trigger(ac);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ret = samldb_objectclass_trigger(ac);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return samldb_fill_object(ac);
}
if (samdb_find_attribute(ldb, ac->msg,
"objectclass", "group") != NULL) {
- return samldb_fill_object(ac, "group");
+ ac->type = "group";
+
+ ret = samldb_objectclass_trigger(ac);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return samldb_fill_object(ac);
}
/* perhaps a foreignSecurityPrincipal? */
return ret;
}
- return samldb_fill_object(ac, "classSchema");
+ ac->type = "classSchema";
+ return samldb_fill_object(ac);
}
if (samdb_find_attribute(ldb, ac->msg,
return ret;
}
- return samldb_fill_object(ac, "attributeSchema");
+ ac->type = "attributeSchema";
+ return samldb_fill_object(ac);
}
talloc_free(ac);
{
struct ldb_context *ldb;
struct samldb_ctx *ac;
- struct ldb_message *msg;
struct ldb_message_element *el, *el2;
+ bool modified = false;
int ret;
uint32_t account_type;
ldb = ldb_module_get_ctx(module);
- if (ldb_msg_find_element(req->op.mod.message, "sAMAccountType") != NULL) {
- ldb_asprintf_errstring(ldb,
- "sAMAccountType must not be specified!");
+ /* make sure that "sAMAccountType" is not specified */
+ el = ldb_msg_find_element(req->op.mod.message, "sAMAccountType");
+ if (el != NULL) {
+ ldb_set_errstring(ldb,
+ "samldb: sAMAccountType must not be specified!");
return LDB_ERR_UNWILLING_TO_PERFORM;
}
+ /* make sure that "isCriticalSystemObject" is not specified */
+ el = ldb_msg_find_element(req->op.mod.message, "isCriticalSystemObject");
+ if (el != NULL) {
+ if (ldb_request_get_control(req, LDB_CONTROL_RELAX_OID) == NULL) {
+ ldb_set_errstring(ldb,
+ "samldb: isCriticalSystemObject must not be specified!");
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ }
/* msDS-IntId is not allowed to be modified
* except when modification comes from replication */
ac = samldb_ctx_init(module, req);
if (ac == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
+ }
+
+ /* build the new msg */
+ ac->msg = ldb_msg_copy_shallow(ac, req->op.mod.message);
+ if (ac->msg == NULL) {
+ talloc_free(ac);
+ ldb_debug(ldb, LDB_DEBUG_FATAL,
+ "samldb_modify: ldb_msg_copy_shallow failed!\n");
+ return ldb_operr(ldb);
}
- /* TODO: do not modify original request, create a new one */
+ el = ldb_msg_find_element(ac->msg, "groupType");
+ if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
+ uint32_t group_type, old_group_type;
- el = ldb_msg_find_element(req->op.mod.message, "groupType");
- if (el && (el->flags == LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
- uint32_t group_type;
+ modified = true;
- req->op.mod.message = msg = ldb_msg_copy_shallow(req,
- req->op.mod.message);
+ group_type = ldb_msg_find_attr_as_uint(ac->msg, "groupType", 0);
+ old_group_type = samdb_search_uint(ldb, ac, 0, ac->msg->dn,
+ "groupType", NULL);
+ if (old_group_type == 0) {
+ return ldb_operr(ldb);
+ }
+
+ /* Group type switching isn't so easy as it seems: We can only
+ * change in this directions: global <-> universal <-> local
+ * On each step also the group type itself
+ * (security/distribution) is variable. */
+
+ switch (group_type) {
+ case GTYPE_SECURITY_GLOBAL_GROUP:
+ case GTYPE_DISTRIBUTION_GLOBAL_GROUP:
+ /* change to "universal" allowed */
+ if ((old_group_type == GTYPE_SECURITY_DOMAIN_LOCAL_GROUP) ||
+ (old_group_type == GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP)) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ break;
+
+ case GTYPE_SECURITY_UNIVERSAL_GROUP:
+ case GTYPE_DISTRIBUTION_UNIVERSAL_GROUP:
+ /* each change allowed */
+ break;
+
+ case GTYPE_SECURITY_DOMAIN_LOCAL_GROUP:
+ case GTYPE_DISTRIBUTION_DOMAIN_LOCAL_GROUP:
+ /* change to "universal" allowed */
+ if ((old_group_type == GTYPE_SECURITY_GLOBAL_GROUP) ||
+ (old_group_type == GTYPE_DISTRIBUTION_GLOBAL_GROUP)) {
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ }
+ break;
+
+ case GTYPE_SECURITY_BUILTIN_LOCAL_GROUP:
+ default:
+ /* we don't allow this "groupType" values */
+ return LDB_ERR_UNWILLING_TO_PERFORM;
+ break;
+ }
- group_type = strtoul((const char *)el->values[0].data, NULL, 0);
account_type = ds_gtype2atype(group_type);
- ret = samdb_msg_add_uint(ldb, msg, msg,
+ 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(msg, "sAMAccountType");
+ el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
el2->flags = LDB_FLAG_MOD_REPLACE;
}
- if (el && (el->flags == LDB_FLAG_MOD_DELETE)) {
+ el = ldb_msg_find_element(ac->msg, "groupType");
+ if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
return LDB_ERR_UNWILLING_TO_PERFORM;
}
- el = ldb_msg_find_element(req->op.mod.message, "primaryGroupID");
- if (el && (el->flags == LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
- req->op.mod.message = ac->msg = ldb_msg_copy_shallow(req,
- req->op.mod.message);
+ el = ldb_msg_find_element(ac->msg, "primaryGroupID");
+ if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
+ modified = true;
ret = samldb_prim_group_change(ac);
if (ret != LDB_SUCCESS) {
return ret;
}
}
- if (el && (el->flags == LDB_FLAG_MOD_DELETE)) {
+ el = ldb_msg_find_element(ac->msg, "primaryGroupID");
+ if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
return LDB_ERR_UNWILLING_TO_PERFORM;
}
- el = ldb_msg_find_element(req->op.mod.message, "userAccountControl");
- if (el && (el->flags == LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
+ el = ldb_msg_find_element(ac->msg, "userAccountControl");
+ if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
uint32_t user_account_control;
- req->op.mod.message = msg = ldb_msg_copy_shallow(req,
- req->op.mod.message);
+ modified = true;
+
+ user_account_control = ldb_msg_find_attr_as_uint(ac->msg,
+ "userAccountControl",
+ 0);
+
+ /* Temporary duplicate accounts aren't allowed */
+ if ((user_account_control & UF_TEMP_DUPLICATE_ACCOUNT) != 0) {
+ return LDB_ERR_OTHER;
+ }
- user_account_control = strtoul((const char *)el->values[0].data,
- NULL, 0);
account_type = ds_uf2atype(user_account_control);
- ret = samdb_msg_add_uint(ldb, msg, msg,
+ 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(msg, "sAMAccountType");
+ el2 = ldb_msg_find_element(ac->msg, "sAMAccountType");
el2->flags = LDB_FLAG_MOD_REPLACE;
- if (user_account_control & UF_SERVER_TRUST_ACCOUNT) {
- ret = samdb_msg_add_string(ldb, msg, msg,
- "isCriticalSystemObject", "TRUE");
+ if (user_account_control & (UF_SERVER_TRUST_ACCOUNT | UF_PARTIAL_SECRETS_ACCOUNT)) {
+ ret = samdb_msg_add_string(ldb, ac->msg, ac->msg,
+ "isCriticalSystemObject",
+ "TRUE");
if (ret != LDB_SUCCESS) {
return ret;
}
- el2 = ldb_msg_find_element(msg, "isCriticalSystemObject");
+ el2 = ldb_msg_find_element(ac->msg,
+ "isCriticalSystemObject");
el2->flags = LDB_FLAG_MOD_REPLACE;
+ }
- /* DCs have primaryGroupID of DOMAIN_RID_DCS */
- if (!ldb_msg_find_element(msg, "primaryGroupID")) {
- ret = samdb_msg_add_uint(ldb, msg, msg,
- "primaryGroupID", DOMAIN_RID_DCS);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
- el2 = ldb_msg_find_element(msg, "primaryGroupID");
- el2->flags = LDB_FLAG_MOD_REPLACE;
+ 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;
}
}
- if (el && (el->flags == LDB_FLAG_MOD_DELETE)) {
+ el = ldb_msg_find_element(ac->msg, "userAccountControl");
+ if (el && (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
return LDB_ERR_UNWILLING_TO_PERFORM;
}
- el = ldb_msg_find_element(req->op.mod.message, "member");
+ el = ldb_msg_find_element(ac->msg, "member");
if (el && el->flags & (LDB_FLAG_MOD_ADD|LDB_FLAG_MOD_REPLACE) && el->num_values == 1) {
- req->op.mod.message = ac->msg = ldb_msg_copy_shallow(req,
- req->op.mod.message);
-
ret = samldb_member_check(ac);
if (ret != LDB_SUCCESS) {
return ret;
}
}
+ if (modified) {
+ struct ldb_request *child_req;
+
+ /* Now perform the real modifications as a child request */
+ ret = ldb_build_mod_req(&child_req, ldb, ac,
+ ac->msg,
+ req->controls,
+ req, dsdb_next_callback,
+ req);
+ LDB_REQ_SET_LOCATION(child_req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ return ldb_next_request(module, child_req);
+ }
+
+ talloc_free(ac);
+
+ /* no change which interests us, go on */
return ldb_next_request(module, req);
}
/* delete */
+
+static int samldb_prim_group_users_check(struct samldb_ctx *ac)
+{
+ struct ldb_context *ldb;
+ struct dom_sid *sid;
+ uint32_t rid;
+ NTSTATUS status;
+ int count;
+
+ ldb = ldb_module_get_ctx(ac->module);
+
+ /* Finds out the SID/RID of the SAM object */
+ sid = samdb_search_dom_sid(ldb, ac, ac->req->op.del.dn, "objectSid",
+ NULL);
+ if (sid == NULL) {
+ /* No SID - it might not be a SAM object - therefore ok */
+ return LDB_SUCCESS;
+ }
+ status = dom_sid_split_rid(ac, sid, NULL, &rid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return ldb_operr(ldb);
+ }
+ if (rid == 0) {
+ /* Special object (security principal?) */
+ return LDB_SUCCESS;
+ }
+
+ /* Deny delete requests from groups which are primary ones */
+ count = samdb_search_count(ldb, NULL,
+ "(&(primaryGroupID=%u)(objectClass=user))",
+ rid);
+ if (count < 0) {
+ return ldb_operr(ldb);
+ }
+ if (count > 0) {
+ return LDB_ERR_ENTRY_ALREADY_EXISTS;
+ }
+
+ return LDB_SUCCESS;
+}
+
static int samldb_delete(struct ldb_module *module, struct ldb_request *req)
{
struct samldb_ctx *ac;
}
ac = samldb_ctx_init(module, req);
- if (ac == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
+ if (ac == NULL) {
+ return ldb_operr(ldb_module_get_ctx(module));
+ }
ret = samldb_prim_group_users_check(ac);
if (ret != LDB_SUCCESS) {
return ret;
}
+ talloc_free(ac);
+
return ldb_next_request(module, req);
}
+/* extended */
+
static int samldb_extended_allocate_rid_pool(struct ldb_module *module, struct ldb_request *req)
{
struct ldb_context *ldb = ldb_module_get_ctx(module);
git.samba.org / abartlet / samba.git / .git / blobdiff