#include "includes.h"
#include "events/events.h"
#include "ldb.h"
+#include "ldb_module.h"
#include "ldb_errors.h"
#include "../lib/util/util_ldb.h"
#include "../lib/crypto/crypto.h"
#include "system/locale.h"
#include "lib/util/tsort.h"
#include "dsdb/common/util.h"
+#include "lib/socket/socket.h"
+#include "dsdb/samdb/ldb_modules/util.h"
+#include "librpc/gen_ndr/irpc.h"
/*
search the sam for the specified attributes in a specific domain, filter on
if (sid == NULL) {
return NULL;
}
- ndr_err = ndr_pull_struct_blob(v, sid, NULL, sid,
+ ndr_err = ndr_pull_struct_blob(v, sid, sid,
(ndr_pull_flags_fn_t)ndr_pull_dom_sid);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
talloc_free(sid);
struct ldb_dn *domain_dn,
struct ldb_message *msg)
{
- uint64_t attr_time = samdb_result_uint64(msg, "pwdLastSet", 0);
- uint32_t userAccountControl = samdb_result_uint64(msg, "userAccountControl", 0);
+ int64_t attr_time = samdb_result_int64(msg, "pwdLastSet", 0);
+ uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg,
+ "userAccountControl",
+ 0);
int64_t maxPwdAge;
/* Machine accounts don't expire, and there is a flag for 'no expiry' */
if (attr_time == 0) {
return 0;
}
+ if (attr_time == -1) {
+ return 0x7FFFFFFFFFFFFFFFULL;
+ }
- maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn, "maxPwdAge", NULL);
+ maxPwdAge = samdb_search_int64(sam_ldb, mem_ctx, 0, domain_dn,
+ "maxPwdAge", NULL);
if (maxPwdAge == 0) {
return 0x7FFFFFFFFFFFFFFFULL;
} else {
}
/*
- pull an array of samr_Password structutres from a result set.
+ pull an array of samr_Password structures from a result set.
*/
unsigned int samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
const char *attr, struct samr_Password **hashes)
return count;
}
-NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct ldb_message *msg,
+NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_ctx, struct loadparm_context *lp_ctx, struct ldb_message *msg,
struct samr_Password **lm_pwd, struct samr_Password **nt_pwd)
{
struct samr_Password *lmPwdHash, *ntPwdHash;
if (nt_pwd) {
- int num_nt;
+ unsigned int num_nt;
num_nt = samdb_result_hashes(mem_ctx, msg, "unicodePwd", &ntPwdHash);
if (num_nt == 0) {
*nt_pwd = NULL;
/* Ensure that if we have turned off LM
* authentication, that we never use the LM hash, even
* if we store it */
- if (lp_lanman_auth(lp_ctx)) {
- int num_lm;
+ if (lpcfg_lanman_auth(lp_ctx)) {
+ unsigned int num_lm;
num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
if (num_lm == 0) {
*lm_pwd = NULL;
struct samr_LogonHours samdb_result_logon_hours(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
{
struct samr_LogonHours hours;
- const int units_per_week = 168;
+ size_t units_per_week = 168;
const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
+
ZERO_STRUCT(hours);
- hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week);
+
+ if (val) {
+ units_per_week = val->length * 8;
+ }
+
+ hours.bits = talloc_array(mem_ctx, uint8_t, units_per_week/8);
if (!hours.bits) {
return hours;
}
hours.units_per_week = units_per_week;
- memset(hours.bits, 0xFF, units_per_week);
+ memset(hours.bits, 0xFF, units_per_week/8);
if (val) {
- memcpy(hours.bits, val->data, MIN(val->length, units_per_week));
+ memcpy(hours.bits, val->data, val->length);
}
+
return hours;
}
const struct ldb_message *msg,
const char *name, const char *value)
{
- int i;
+ unsigned int i;
struct ldb_message_element *el = ldb_msg_find_element(msg, name);
if (!el) {
return NULL;
}
+/*
+ * This is intended for use by the "password hash" module since there
+ * password changes can be specified through one message element with the
+ * new password (to set) and another one with the old password (to unset).
+ *
+ * The first which sets a password (new value) can have flags
+ * (LDB_FLAG_MOD_ADD, LDB_FLAG_MOD_REPLACE) but also none (on "add" operations
+ * for entries). The latter (old value) has always specified
+ * LDB_FLAG_MOD_DELETE.
+ *
+ * Returns LDB_ERR_NO_SUCH_ATTRIBUTE if the attribute which should be deleted
+ * doesn't contain only one value (this is the Windows Server behaviour)
+ * otherwise LDB_SUCCESS.
+ */
+int samdb_msg_find_old_and_new_ldb_val(const struct ldb_message *msg,
+ const char *name,
+ const struct ldb_val **new_val,
+ const struct ldb_val **old_val)
+{
+ unsigned int i;
+
+ *new_val = NULL;
+ *old_val = NULL;
+
+ if (msg == NULL) {
+ return LDB_SUCCESS;
+ }
+
+ for (i = 0; i < msg->num_elements; i++) {
+ if (ldb_attr_cmp(msg->elements[i].name, name) == 0) {
+ if (LDB_FLAG_MOD_TYPE(msg->elements[i].flags) == LDB_FLAG_MOD_DELETE) {
+ *old_val = &msg->elements[i].values[0];
+ } else {
+ *new_val = &msg->elements[i].values[0];
+ }
+ }
+ }
+
+ return LDB_SUCCESS;
+}
+
int samdb_find_or_add_value(struct ldb_context *ldb, struct ldb_message *msg, const char *name, const char *set_value)
{
if (samdb_find_attribute(ldb, msg, name, set_value) == NULL) {
char *s = talloc_strdup(mem_ctx, str);
char *a = talloc_strdup(mem_ctx, attr_name);
if (s == NULL || a == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(sam_ldb);
}
return ldb_msg_add_string(msg, a, s);
}
enum ndr_err_code ndr_err;
ndr_err = ndr_push_struct_blob(&v, mem_ctx,
- lp_iconv_convenience(ldb_get_opaque(sam_ldb, "loadparm")),
sid,
(ndr_push_flags_fn_t)ndr_push_dom_sid);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(sam_ldb);
}
return ldb_msg_add_value(msg, attr_name, &v, NULL);
}
}
/*
- add a add attribute value to a message
+ add an add attribute value to a message or enhance an existing attribute
+ which has the same name and the add flag set.
*/
-int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, const char *value)
+int samdb_msg_add_addval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
+ struct ldb_message *msg, const char *attr_name,
+ const char *value)
{
struct ldb_message_element *el;
- char *a, *v;
+ struct ldb_val val, *vals;
+ char *v;
+ unsigned int i;
+ bool found = false;
int ret;
- a = talloc_strdup(mem_ctx, attr_name);
- if (a == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
+
v = talloc_strdup(mem_ctx, value);
- if (v == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
- ret = ldb_msg_add_string(msg, a, v);
- if (ret != 0)
- return ret;
- el = ldb_msg_find_element(msg, a);
- if (el == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
- el->flags = LDB_FLAG_MOD_ADD;
+ if (v == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+
+ val.data = (uint8_t *) v;
+ val.length = strlen(v);
+
+ if (val.length == 0) {
+ /* allow empty strings as non-existent attributes */
+ return LDB_SUCCESS;
+ }
+
+ for (i = 0; i < msg->num_elements; i++) {
+ el = &msg->elements[i];
+ if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
+ (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_ADD)) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_ADD,
+ &el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ vals = talloc_realloc(msg, el->values, struct ldb_val,
+ el->num_values + 1);
+ if (vals == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+ el->values = vals;
+ el->values[el->num_values] = val;
+ ++(el->num_values);
+
return LDB_SUCCESS;
}
/*
- add a delete attribute value to a message
+ add a delete attribute value to a message or enhance an existing attribute
+ which has the same name and the delete flag set.
*/
-int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, const char *value)
+int samdb_msg_add_delval(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx,
+ struct ldb_message *msg, const char *attr_name,
+ const char *value)
{
struct ldb_message_element *el;
- char *a, *v;
+ struct ldb_val val, *vals;
+ char *v;
+ unsigned int i;
+ bool found = false;
int ret;
- a = talloc_strdup(mem_ctx, attr_name);
- if (a == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
+
v = talloc_strdup(mem_ctx, value);
- if (v == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
- ret = ldb_msg_add_string(msg, a, v);
- if (ret != 0)
- return ret;
- el = ldb_msg_find_element(msg, a);
- if (el == NULL)
- return LDB_ERR_OPERATIONS_ERROR;
- el->flags = LDB_FLAG_MOD_DELETE;
+ if (v == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+
+ val.data = (uint8_t *) v;
+ val.length = strlen(v);
+
+ if (val.length == 0) {
+ /* allow empty strings as non-existent attributes */
+ return LDB_SUCCESS;
+ }
+
+ for (i = 0; i < msg->num_elements; i++) {
+ el = &msg->elements[i];
+ if ((ldb_attr_cmp(el->name, attr_name) == 0) &&
+ (LDB_FLAG_MOD_TYPE(el->flags) == LDB_FLAG_MOD_DELETE)) {
+ found = true;
+ break;
+ }
+ }
+ if (!found) {
+ ret = ldb_msg_add_empty(msg, attr_name, LDB_FLAG_MOD_DELETE,
+ &el);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
+ vals = talloc_realloc(msg, el->values, struct ldb_val,
+ el->num_values + 1);
+ if (vals == NULL) {
+ return ldb_oom(sam_ldb);
+ }
+ el->values = vals;
+ el->values[el->num_values] = val;
+ ++(el->num_values);
+
return LDB_SUCCESS;
}
add a samr_Password element to a message
*/
int samdb_msg_add_hash(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, struct samr_Password *hash)
+ const char *attr_name, const struct samr_Password *hash)
{
struct ldb_val val;
val.data = talloc_memdup(mem_ctx, hash->hash, 16);
if (!val.data) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(sam_ldb);
}
val.length = 16;
return ldb_msg_add_value(msg, attr_name, &val, NULL);
/*
add a samr_Password array to a message
*/
-int samdb_msg_add_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
- const char *attr_name, struct samr_Password *hashes, unsigned int count)
+int samdb_msg_add_hashes(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, struct samr_Password *hashes,
+ unsigned int count)
{
struct ldb_val val;
- int i;
+ unsigned int i;
val.data = talloc_array_size(mem_ctx, 16, count);
val.length = count*16;
if (!val.data) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
for (i=0;i<count;i++) {
memcpy(i*16 + (char *)val.data, hashes[i].hash, 16);
return sd;
}
-struct ldb_dn *samdb_base_dn(struct ldb_context *sam_ctx)
-{
- return ldb_get_default_basedn(sam_ctx);
-}
-
-struct ldb_dn *samdb_config_dn(struct ldb_context *sam_ctx)
-{
- return ldb_get_config_basedn(sam_ctx);
-}
-
-struct ldb_dn *samdb_schema_dn(struct ldb_context *sam_ctx)
-{
- return ldb_get_schema_basedn(sam_ctx);
-}
-
struct ldb_dn *samdb_aggregate_schema_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
{
struct ldb_dn *schema_dn = ldb_get_schema_basedn(sam_ctx);
return aggregate_dn;
}
-struct ldb_dn *samdb_root_dn(struct ldb_context *sam_ctx)
-{
- return ldb_get_root_basedn(sam_ctx);
-}
-
struct ldb_dn *samdb_partitions_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
{
struct ldb_dn *new_dn;
- new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
+ new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Partitions")) {
talloc_free(new_dn);
return NULL;
return new_dn;
}
+struct ldb_dn *samdb_infrastructure_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
+{
+ struct ldb_dn *new_dn;
+
+ new_dn = ldb_dn_copy(mem_ctx, ldb_get_default_basedn(sam_ctx));
+ if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Infrastructure")) {
+ talloc_free(new_dn);
+ return NULL;
+ }
+ return new_dn;
+}
+
struct ldb_dn *samdb_sites_dn(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx)
{
struct ldb_dn *new_dn;
- new_dn = ldb_dn_copy(mem_ctx, samdb_config_dn(sam_ctx));
+ new_dn = ldb_dn_copy(mem_ctx, ldb_get_config_basedn(sam_ctx));
if ( ! ldb_dn_add_child_fmt(new_dn, "CN=Sites")) {
talloc_free(new_dn);
return NULL;
return false;
}
+bool samdb_set_ntds_settings_dn(struct ldb_context *ldb, struct ldb_dn *ntds_settings_dn_in)
+{
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_dn *ntds_settings_dn_new;
+ struct ldb_dn *ntds_settings_dn_old;
+
+ /* see if we have a cached copy */
+ ntds_settings_dn_old = talloc_get_type(ldb_get_opaque(ldb,
+ "cache.ntds_settings_dn"), struct ldb_dn);
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ntds_settings_dn_new = ldb_dn_copy(tmp_ctx, ntds_settings_dn_in);
+ if (!ntds_settings_dn_new) {
+ goto failed;
+ }
+
+ /* cache the domain_sid in the ldb */
+ if (ldb_set_opaque(ldb, "cache.ntds_settings_dn", ntds_settings_dn_new) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ talloc_steal(ldb, ntds_settings_dn_new);
+ talloc_free(tmp_ctx);
+ talloc_free(ntds_settings_dn_old);
+
+ return true;
+
+failed:
+ DEBUG(1,("Failed to set our NTDS Settings DN in the ldb!\n"));
+ talloc_free(tmp_ctx);
+ return false;
+}
+
/* Obtain the short name of the flexible single master operator
* (FSMO), such as the PDC Emulator */
const char *samdb_result_fsmo_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
struct ldb_dn *settings_dn;
/* see if we have a cached copy */
- settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "cache.settings_dn");
+ settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "cache.ntds_settings_dn");
if (settings_dn) {
return settings_dn;
}
struct ldb_dn *server_site_dn;
/* TODO: there must be a saner way to do this!! */
-
server_dn = samdb_server_dn(ldb, mem_ctx);
if (!server_dn) return NULL;
servers_dn = ldb_dn_get_parent(mem_ctx, server_dn);
+ talloc_free(server_dn);
if (!servers_dn) return NULL;
server_site_dn = ldb_dn_get_parent(mem_ctx, servers_dn);
+ talloc_free(servers_dn);
- talloc_free(server_dn);
return server_site_dn;
}
+/*
+ find the site name from a computers DN record
+ */
+int samdb_find_site_for_computer(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx, struct ldb_dn *computer_dn,
+ const char **site_name)
+{
+ int ret;
+ struct ldb_dn *dn;
+ const struct ldb_val *rdn_val;
+
+ *site_name = NULL;
+
+ ret = samdb_reference_dn(ldb, mem_ctx, computer_dn, "serverReferenceBL", &dn);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (!ldb_dn_remove_child_components(dn, 2)) {
+ talloc_free(dn);
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+ rdn_val = ldb_dn_get_rdn_val(dn);
+ (*site_name) = talloc_strndup(mem_ctx, (const char *)rdn_val->data, rdn_val->length);
+ talloc_free(dn);
+ if (!*site_name) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ return LDB_SUCCESS;
+}
+
+/*
+ find the NTDS GUID from a computers DN record
+ */
+int samdb_find_ntdsguid_for_computer(struct ldb_context *ldb, struct ldb_dn *computer_dn,
+ struct GUID *ntds_guid)
+{
+ int ret;
+ struct ldb_dn *dn;
+
+ *ntds_guid = GUID_zero();
+
+ ret = samdb_reference_dn(ldb, ldb, computer_dn, "serverReferenceBL", &dn);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ if (!ldb_dn_add_child_fmt(dn, "CN=NTDS Settings")) {
+ talloc_free(dn);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = dsdb_find_guid_by_dn(ldb, dn, ntds_guid);
+ talloc_free(dn);
+ return ret;
+}
+
/*
find a 'reference' DN that points at another object
(eg. serverReference, rIDManagerReference etc)
attrs[0] = attribute;
attrs[1] = NULL;
- ret = ldb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, NULL);
+ ret = dsdb_search(ldb, mem_ctx, &res, base, LDB_SCOPE_BASE, attrs, DSDB_SEARCH_ONE_ONLY, NULL);
if (ret != LDB_SUCCESS) {
return ret;
}
- if (res->count != 1) {
- talloc_free(res);
- return LDB_ERR_NO_SUCH_OBJECT;
- }
*dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, res->msgs[0], attribute);
if (!*dn) {
+ if (!ldb_msg_find_element(res->msgs[0], attribute)) {
+ ldb_asprintf_errstring(ldb, "Cannot find attribute %s of %s to calculate reference dn", attribute,
+ ldb_dn_get_linearized(base));
+ } else {
+ ldb_asprintf_errstring(ldb, "Cannot interpret attribute %s of %s as a dn", attribute,
+ ldb_dn_get_linearized(base));
+ }
talloc_free(res);
return LDB_ERR_NO_SUCH_ATTRIBUTE;
}
*/
int samdb_rid_manager_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct ldb_dn **dn)
{
- return samdb_reference_dn(ldb, mem_ctx, samdb_base_dn(ldb), "rIDManagerReference", dn);
+ return samdb_reference_dn(ldb, mem_ctx, ldb_get_default_basedn(ldb),
+ "rIDManagerReference", dn);
}
/*
const char *samdb_server_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
{
- const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb, mem_ctx));
+ const struct ldb_val *val = ldb_dn_get_rdn_val(samdb_server_site_dn(ldb,
+ mem_ctx));
+
+ if (val == NULL) {
+ return NULL;
+ }
+
+ return (const char *) val->data;
+}
+
+/*
+ * Finds the client site by using the client's IP address.
+ * The "subnet_name" returns the name of the subnet if parameter != NULL
+ */
+const char *samdb_client_site_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
+ const char *ip_address, char **subnet_name)
+{
+ const char *attrs[] = { "cn", "siteObject", NULL };
+ struct ldb_dn *sites_container_dn, *subnets_dn, *sites_dn;
+ struct ldb_result *res;
+ const struct ldb_val *val;
+ const char *site_name = NULL, *l_subnet_name = NULL;
+ const char *allow_list[2] = { NULL, NULL };
+ unsigned int i, count;
+ int cnt, ret;
+
+ /*
+ * if we don't have a client ip e.g. ncalrpc
+ * the server site is the client site
+ */
+ if (ip_address == NULL) {
+ return samdb_server_site_name(ldb, mem_ctx);
+ }
+
+ sites_container_dn = samdb_sites_dn(ldb, mem_ctx);
+ if (sites_container_dn == NULL) {
+ return NULL;
+ }
+
+ subnets_dn = ldb_dn_copy(mem_ctx, sites_container_dn);
+ if ( ! ldb_dn_add_child_fmt(subnets_dn, "CN=Subnets")) {
+ talloc_free(sites_container_dn);
+ talloc_free(subnets_dn);
+ return NULL;
+ }
- if (val != NULL)
- return (const char *) val->data;
- else
+ ret = ldb_search(ldb, mem_ctx, &res, subnets_dn, LDB_SCOPE_ONELEVEL,
+ attrs, NULL);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ count = 0;
+ } else if (ret != LDB_SUCCESS) {
+ talloc_free(sites_container_dn);
+ talloc_free(subnets_dn);
return NULL;
+ } else {
+ count = res->count;
+ }
+
+ for (i = 0; i < count; i++) {
+ l_subnet_name = ldb_msg_find_attr_as_string(res->msgs[i], "cn",
+ NULL);
+
+ allow_list[0] = l_subnet_name;
+
+ if (allow_access(mem_ctx, NULL, allow_list, "", ip_address)) {
+ sites_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx,
+ res->msgs[i],
+ "siteObject");
+ if (sites_dn == NULL) {
+ /* No reference, maybe another subnet matches */
+ continue;
+ }
+
+ /* "val" cannot be NULL here since "sites_dn" != NULL */
+ val = ldb_dn_get_rdn_val(sites_dn);
+ site_name = talloc_strdup(mem_ctx,
+ (const char *) val->data);
+
+ talloc_free(sites_dn);
+
+ break;
+ }
+ }
+
+ if (site_name == NULL) {
+ /* This is the Windows Server fallback rule: when no subnet
+ * exists and we have only one site available then use it (it
+ * is for sure the same as our server site). If more sites do
+ * exist then we don't know which one to use and set the site
+ * name to "". */
+ cnt = samdb_search_count(ldb, sites_container_dn,
+ "(objectClass=site)");
+ if (cnt == 1) {
+ site_name = samdb_server_site_name(ldb, mem_ctx);
+ } else {
+ site_name = talloc_strdup(mem_ctx, "");
+ }
+ l_subnet_name = NULL;
+ }
+
+ if (subnet_name != NULL) {
+ *subnet_name = talloc_strdup(mem_ctx, l_subnet_name);
+ }
+
+ talloc_free(sites_container_dn);
+ talloc_free(subnets_dn);
+ talloc_free(res);
+
+ return site_name;
}
/*
}
ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
- if (ret) {
+ if (ret != LDB_SUCCESS) {
DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
ldb_errstring(ldb)));
/* Query cn=ntds settings,.... */
ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
- if (ret) {
+ if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return false;
}
TALLOC_CTX *local_ctx;
struct ldb_dn *sdn = dn;
struct ldb_result *res = NULL;
- int ret = 0;
+ int ret = LDB_SUCCESS;
const char *attrs[] = { NULL };
local_ctx = talloc_new(mem_ctx);
- if (local_ctx == NULL) return LDB_ERR_OPERATIONS_ERROR;
+ if (local_ctx == NULL) return ldb_oom(ldb);
while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
return SAMR_VALIDATION_STATUS_SUCCESS;
}
+/*
+ * Callback for "samdb_set_password" password change
+ */
+int samdb_set_password_callback(struct ldb_request *req, struct ldb_reply *ares)
+{
+ int ret;
+
+ if (!ares) {
+ return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ if (ares->error != LDB_SUCCESS) {
+ ret = ares->error;
+ req->context = talloc_steal(req,
+ ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
+ talloc_free(ares);
+ return ldb_request_done(req, ret);
+ }
+
+ if (ares->type != LDB_REPLY_DONE) {
+ talloc_free(ares);
+ return ldb_request_done(req, LDB_ERR_OPERATIONS_ERROR);
+ }
+
+ req->context = talloc_steal(req,
+ ldb_reply_get_control(ares, DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID));
+ talloc_free(ares);
+ return ldb_request_done(req, LDB_SUCCESS);
+}
+
/*
* Sets the user password using plaintext UTF16 (attribute "new_password") or
* LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
- * as parameter if it's a user change or not ("userChange"). The "rejectReason"
- * gives some more informations if the changed failed.
- *
- * The caller should have a LDB transaction wrapping this.
+ * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
+ * user change or not. The "rejectReason" gives some more informations if the
+ * change failed.
*
- * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
- * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
- * NT_STATUS_PASSWORD_RESTRICTION
+ * Results: NT_STATUS_OK, NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
+ * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION
*/
-NTSTATUS samdb_set_password(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
+NTSTATUS samdb_set_password(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
- struct ldb_message *mod,
const DATA_BLOB *new_password,
- struct samr_Password *param_lmNewHash,
- struct samr_Password *param_ntNewHash,
- bool user_change,
+ const struct samr_Password *lmNewHash,
+ const struct samr_Password *ntNewHash,
+ const struct samr_Password *lmOldHash,
+ const struct samr_Password *ntOldHash,
enum samPwdChangeReason *reject_reason,
struct samr_DomInfo1 **_dominfo)
{
- const char * const user_attrs[] = { "userAccountControl",
- "lmPwdHistory",
- "ntPwdHistory",
- "dBCSPwd", "unicodePwd",
- "objectSid",
- "pwdLastSet", NULL };
- const char * const domain_attrs[] = { "minPwdLength", "pwdProperties",
- "pwdHistoryLength",
- "maxPwdAge", "minPwdAge", NULL };
- NTTIME pwdLastSet;
- uint32_t minPwdLength, pwdProperties, pwdHistoryLength;
- int64_t maxPwdAge, minPwdAge;
- uint32_t userAccountControl;
- struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory,
- *lmPwdHash, *ntPwdHash, *lmNewHash, *ntNewHash;
- struct samr_Password local_lmNewHash, local_ntNewHash;
- int sambaLMPwdHistory_len, sambaNTPwdHistory_len;
- struct dom_sid *domain_sid;
- struct ldb_message **res;
- bool restrictions;
- int count;
- time_t now = time(NULL);
- NTTIME now_nt;
- int i;
+ struct ldb_message *msg;
+ struct ldb_message_element *el;
+ struct ldb_request *req;
+ struct dsdb_control_password_change_status *pwd_stat = NULL;
+ int ret;
+ NTSTATUS status = NT_STATUS_OK;
- /* we need to know the time to compute password age */
- unix_to_nt_time(&now_nt, now);
+#define CHECK_RET(x) \
+ if (x != LDB_SUCCESS) { \
+ talloc_free(msg); \
+ return NT_STATUS_NO_MEMORY; \
+ }
- /* pull all the user parameters */
- count = gendb_search_dn(ctx, mem_ctx, user_dn, &res, user_attrs);
- if (count != 1) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ msg = ldb_msg_new(mem_ctx);
+ if (msg == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- userAccountControl = samdb_result_uint(res[0], "userAccountControl", 0);
- sambaLMPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
- "lmPwdHistory", &sambaLMPwdHistory);
- sambaNTPwdHistory_len = samdb_result_hashes(mem_ctx, res[0],
- "ntPwdHistory", &sambaNTPwdHistory);
- lmPwdHash = samdb_result_hash(mem_ctx, res[0], "dBCSPwd");
- ntPwdHash = samdb_result_hash(mem_ctx, res[0], "unicodePwd");
- pwdLastSet = samdb_result_uint64(res[0], "pwdLastSet", 0);
-
- /* Copy parameters */
- lmNewHash = param_lmNewHash;
- ntNewHash = param_ntNewHash;
-
- /* Only non-trust accounts have restrictions (possibly this
- * test is the wrong way around, but I like to be restrictive
- * if possible */
- restrictions = !(userAccountControl & (UF_INTERDOMAIN_TRUST_ACCOUNT
- |UF_WORKSTATION_TRUST_ACCOUNT
- |UF_SERVER_TRUST_ACCOUNT));
-
- if (domain_dn != NULL) {
- /* pull the domain parameters */
- count = gendb_search_dn(ctx, mem_ctx, domain_dn, &res,
- domain_attrs);
- if (count != 1) {
- DEBUG(2, ("samdb_set_password: Domain DN %s is invalid, for user %s\n",
- ldb_dn_get_linearized(domain_dn),
- ldb_dn_get_linearized(user_dn)));
- return NT_STATUS_NO_SUCH_DOMAIN;
- }
- } else {
- /* work out the domain sid, and pull the domain from there */
- domain_sid = samdb_result_sid_prefix(mem_ctx, res[0],
- "objectSid");
- if (domain_sid == NULL) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ msg->dn = user_dn;
+ if ((new_password != NULL)
+ && ((lmNewHash == NULL) && (ntNewHash == NULL))) {
+ /* we have the password as plaintext UTF16 */
+ CHECK_RET(samdb_msg_add_value(ldb, mem_ctx, msg,
+ "clearTextPassword", new_password));
+ el = ldb_msg_find_element(msg, "clearTextPassword");
+ el->flags = LDB_FLAG_MOD_REPLACE;
+ } else if ((new_password == NULL)
+ && ((lmNewHash != NULL) || (ntNewHash != NULL))) {
+ /* we have a password as LM and/or NT hash */
+ if (lmNewHash != NULL) {
+ CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
+ "dBCSPwd", lmNewHash));
+ el = ldb_msg_find_element(msg, "dBCSPwd");
+ el->flags = LDB_FLAG_MOD_REPLACE;
}
-
- count = gendb_search(ctx, mem_ctx, NULL, &res, domain_attrs,
- "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
- if (count != 1) {
- DEBUG(2, ("samdb_set_password: Could not find domain to match SID: %s, for user %s\n",
- dom_sid_string(mem_ctx, domain_sid),
- ldb_dn_get_linearized(user_dn)));
- return NT_STATUS_NO_SUCH_DOMAIN;
+ if (ntNewHash != NULL) {
+ CHECK_RET(samdb_msg_add_hash(ldb, mem_ctx, msg,
+ "unicodePwd", ntNewHash));
+ el = ldb_msg_find_element(msg, "unicodePwd");
+ el->flags = LDB_FLAG_MOD_REPLACE;
}
+ } else {
+ /* the password wasn't specified correctly */
+ talloc_free(msg);
+ return NT_STATUS_INVALID_PARAMETER;
}
- minPwdLength = samdb_result_uint(res[0], "minPwdLength", 0);
- pwdProperties = samdb_result_uint(res[0], "pwdProperties", 0);
- pwdHistoryLength = samdb_result_uint(res[0], "pwdHistoryLength", 0);
- maxPwdAge = samdb_result_int64(res[0], "maxPwdAge", 0);
- minPwdAge = samdb_result_int64(res[0], "minPwdAge", 0);
+ /* build modify request */
+ ret = ldb_build_mod_req(&req, ldb, mem_ctx, msg, NULL, NULL,
+ samdb_set_password_callback, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
- if ((userAccountControl & UF_PASSWD_NOTREQD) != 0) {
- /* see [MS-ADTS] 2.2.15 */
- minPwdLength = 0;
- }
+ /* A password change operation */
+ if ((ntOldHash != NULL) || (lmOldHash != NULL)) {
+ struct dsdb_control_password_change *change;
- if (_dominfo != NULL) {
- struct samr_DomInfo1 *dominfo;
- /* on failure we need to fill in the reject reasons */
- dominfo = talloc(mem_ctx, struct samr_DomInfo1);
- if (dominfo == NULL) {
+ change = talloc(req, struct dsdb_control_password_change);
+ if (change == NULL) {
+ talloc_free(req);
+ talloc_free(msg);
return NT_STATUS_NO_MEMORY;
}
- dominfo->min_password_length = minPwdLength;
- dominfo->password_properties = pwdProperties;
- dominfo->password_history_length = pwdHistoryLength;
- dominfo->max_password_age = maxPwdAge;
- dominfo->min_password_age = minPwdAge;
- *_dominfo = dominfo;
- }
- if ((restrictions != 0) && (new_password != 0)) {
- char *new_pass;
+ change->old_nt_pwd_hash = ntOldHash;
+ change->old_lm_pwd_hash = lmOldHash;
- /* checks if the "minPwdLength" property is satisfied */
- if ((restrictions != 0)
- && (minPwdLength > utf16_len_n(
- new_password->data, new_password->length)/2)) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_PASSWORD_TOO_SHORT;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_PASSWORD_CHANGE_OID,
+ true, change);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
}
+ }
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_PASSWORD_HASH_VALUES_OID,
+ true, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_PASSWORD_CHANGE_STATUS_OID,
+ true, NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ talloc_free(msg);
+ return NT_STATUS_NO_MEMORY;
+ }
- /* Create the NT hash */
- mdfour(local_ntNewHash.hash, new_password->data,
- new_password->length);
-
- ntNewHash = &local_ntNewHash;
-
- /* Only check complexity if we can convert it at all. Assuming unconvertable passwords are 'strong' */
- if (convert_string_talloc_convenience(mem_ctx,
- lp_iconv_convenience(ldb_get_opaque(ctx, "loadparm")),
- CH_UTF16, CH_UNIX,
- new_password->data, new_password->length,
- (void **)&new_pass, NULL, false)) {
-
- /* checks the password complexity */
- if ((restrictions != 0)
- && ((pwdProperties
- & DOMAIN_PASSWORD_COMPLEX) != 0)
- && (!check_password_quality(new_pass))) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_NOT_COMPLEX;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
-
- /* compute the new lm hashes (for checking history - case insenitivly!) */
- if (E_deshash(new_pass, local_lmNewHash.hash)) {
- lmNewHash = &local_lmNewHash;
- }
- }
+ ret = dsdb_autotransaction_request(ldb, req);
+
+ if (req->context != NULL) {
+ pwd_stat = talloc_steal(mem_ctx,
+ ((struct ldb_control *)req->context)->data);
}
- if ((restrictions != 0) && user_change) {
- /* are all password changes disallowed? */
- if ((pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) != 0) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
+ talloc_free(req);
+ talloc_free(msg);
- /* can this user change the password? */
- if ((userAccountControl & UF_PASSWD_CANT_CHANGE) != 0) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
+ /* Sets the domain info (if requested) */
+ if (_dominfo != NULL) {
+ struct samr_DomInfo1 *dominfo;
- /* Password minimum age: yes, this is a minus. The ages are in negative 100nsec units! */
- if (pwdLastSet - minPwdAge > now_nt) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
+ dominfo = talloc_zero(mem_ctx, struct samr_DomInfo1);
+ if (dominfo == NULL) {
+ return NT_STATUS_NO_MEMORY;
}
- /* check the immediately past password */
- if (pwdHistoryLength > 0) {
- if (lmNewHash && lmPwdHash && memcmp(lmNewHash->hash,
- lmPwdHash->hash, 16) == 0) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
- if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash,
- ntPwdHash->hash, 16) == 0) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
+ if (pwd_stat != NULL) {
+ dominfo->min_password_length = pwd_stat->domain_data.minPwdLength;
+ dominfo->password_properties = pwd_stat->domain_data.pwdProperties;
+ dominfo->password_history_length = pwd_stat->domain_data.pwdHistoryLength;
+ dominfo->max_password_age = pwd_stat->domain_data.maxPwdAge;
+ dominfo->min_password_age = pwd_stat->domain_data.minPwdAge;
}
- /* check the password history */
- sambaLMPwdHistory_len = MIN(sambaLMPwdHistory_len,
- pwdHistoryLength);
- sambaNTPwdHistory_len = MIN(sambaNTPwdHistory_len,
- pwdHistoryLength);
-
- for (i=0; lmNewHash && i<sambaLMPwdHistory_len;i++) {
- if (memcmp(lmNewHash->hash, sambaLMPwdHistory[i].hash,
- 16) == 0) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
- }
- for (i=0; ntNewHash && i<sambaNTPwdHistory_len;i++) {
- if (memcmp(ntNewHash->hash, sambaNTPwdHistory[i].hash,
- 16) == 0) {
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
- }
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
- }
+ *_dominfo = dominfo;
}
-#define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
+ if (reject_reason != NULL) {
+ if (pwd_stat != NULL) {
+ *reject_reason = pwd_stat->reject_reason;
+ } else {
+ *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
+ }
+ }
- /* the password is acceptable. Start forming the new fields */
- if (new_password != NULL) {
- /* if we know the cleartext UTF16 password, then set it.
- * Modules in ldb will set all the appropriate
- * hashes */
- CHECK_RET(ldb_msg_add_value(mod, "clearTextPassword", new_password, NULL));
- } else {
- /* we don't have the cleartext, so set what we have of the
- * hashes */
+ if (pwd_stat != NULL) {
+ talloc_free(pwd_stat);
+ }
- if (lmNewHash) {
- CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
+ if (ret == LDB_ERR_CONSTRAINT_VIOLATION) {
+ const char *errmsg = ldb_errstring(ldb);
+ char *endptr = NULL;
+ WERROR werr = WERR_GENERAL_FAILURE;
+ status = NT_STATUS_UNSUCCESSFUL;
+ if (errmsg != NULL) {
+ werr = W_ERROR(strtol(errmsg, &endptr, 16));
}
-
- if (ntNewHash) {
- CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
+ if (endptr != errmsg) {
+ if (W_ERROR_EQUAL(werr, WERR_INVALID_PASSWORD)) {
+ status = NT_STATUS_WRONG_PASSWORD;
+ }
+ if (W_ERROR_EQUAL(werr, WERR_PASSWORD_RESTRICTION)) {
+ status = NT_STATUS_PASSWORD_RESTRICTION;
+ }
}
+ } else if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ /* don't let the caller know if an account doesn't exist */
+ status = NT_STATUS_WRONG_PASSWORD;
+ } else if (ret != LDB_SUCCESS) {
+ status = NT_STATUS_UNSUCCESSFUL;
}
- if (reject_reason) {
- *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
- }
- return NT_STATUS_OK;
+ return status;
}
-
/*
* Sets the user password using plaintext UTF16 (attribute "new_password") or
* LM (attribute "lmNewHash") or NT (attribute "ntNewHash") hash. Also pass
- * as parameter if it's a user change or not ("userChange"). The "rejectReason"
- * gives some more informations if the changed failed.
+ * the old LM and/or NT hash (attributes "lmOldHash"/"ntOldHash") if it is a
+ * user change or not. The "rejectReason" gives some more informations if the
+ * change failed.
*
* This wrapper function for "samdb_set_password" takes a SID as input rather
* than a user DN.
*
* Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
* NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
- * NT_STATUS_PASSWORD_RESTRICTION
+ * NT_STATUS_WRONG_PASSWORD, NT_STATUS_PASSWORD_RESTRICTION,
+ * NT_STATUS_TRANSACTION_ABORTED, NT_STATUS_NO_SUCH_USER
*/
NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
const struct dom_sid *user_sid,
const DATA_BLOB *new_password,
- struct samr_Password *lmNewHash,
- struct samr_Password *ntNewHash,
- bool user_change,
+ const struct samr_Password *lmNewHash,
+ const struct samr_Password *ntNewHash,
+ const struct samr_Password *lmOldHash,
+ const struct samr_Password *ntOldHash,
enum samPwdChangeReason *reject_reason,
struct samr_DomInfo1 **_dominfo)
{
NTSTATUS nt_status;
struct ldb_dn *user_dn;
- struct ldb_message *msg;
int ret;
ret = ldb_transaction_start(ldb);
return NT_STATUS_NO_SUCH_USER;
}
- msg = ldb_msg_new(mem_ctx);
- if (msg == NULL) {
- ldb_transaction_cancel(ldb);
- talloc_free(user_dn);
- return NT_STATUS_NO_MEMORY;
- }
-
- msg->dn = ldb_dn_copy(msg, user_dn);
- if (!msg->dn) {
- ldb_transaction_cancel(ldb);
- talloc_free(user_dn);
- talloc_free(msg);
- return NT_STATUS_NO_MEMORY;
- }
-
nt_status = samdb_set_password(ldb, mem_ctx,
user_dn, NULL,
- msg, new_password,
+ new_password,
lmNewHash, ntNewHash,
- user_change,
+ lmOldHash, ntOldHash,
reject_reason, _dominfo);
if (!NT_STATUS_IS_OK(nt_status)) {
ldb_transaction_cancel(ldb);
talloc_free(user_dn);
- talloc_free(msg);
return nt_status;
}
- /* modify the samdb record */
- ret = dsdb_replace(ldb, msg, 0);
- if (ret != LDB_SUCCESS) {
- ldb_transaction_cancel(ldb);
- talloc_free(user_dn);
- talloc_free(msg);
- return NT_STATUS_ACCESS_DENIED;
- }
-
- talloc_free(msg);
-
ret = ldb_transaction_commit(ldb);
if (ret != LDB_SUCCESS) {
DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
return NT_STATUS_NO_MEMORY;
}
- ret = dsdb_wellknown_dn(sam_ctx, sidstr, samdb_base_dn(sam_ctx),
+ ret = dsdb_wellknown_dn(sam_ctx, sidstr,
+ ldb_get_default_basedn(sam_ctx),
DS_GUID_FOREIGNSECURITYPRINCIPALS_CONTAINER,
&basedn);
if (ret != LDB_SUCCESS) {
struct ldb_dn *samdb_dns_domain_to_dn(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *dns_domain)
{
- int i;
+ unsigned int i;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
const char *binary_encoded;
const char **split_realm;
domain_ref_attrs,
"(&(nETBIOSName=%s)(objectclass=crossRef))",
escaped_domain);
- if (ret_domain != 0) {
+ if (ret_domain != LDB_SUCCESS) {
return NULL;
}
LDB_SCOPE_BASE,
domain_ref2_attrs,
"(objectclass=domain)");
- if (ret_domain != 0) {
+ if (ret_domain != LDB_SUCCESS) {
return NULL;
}
char *guid_str = GUID_string(mem_ctx, guid);
if (!guid_str) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
{
int ret;
struct ldb_result *res;
- const char *attrs[] = { "objectSID", NULL };
+ const char *attrs[] = { "objectSid", NULL };
TALLOC_CTX *tmp_ctx = talloc_new(ldb);
struct dom_sid *s;
talloc_free(tmp_ctx);
return LDB_ERR_NO_SUCH_OBJECT;
}
- s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSID");
+ s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSid");
if (s == NULL) {
talloc_free(tmp_ctx);
return LDB_ERR_NO_SUCH_OBJECT;
return LDB_SUCCESS;
}
+/*
+ use a SID to find a DN
+ */
+int dsdb_find_dn_by_sid(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct dom_sid *sid, struct ldb_dn **dn)
+{
+ int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { NULL };
+ char *sid_str = ldap_encode_ndr_dom_sid(mem_ctx, sid);
+ if (!sid_str) {
+ return ldb_operr(ldb);
+ }
+
+ ret = dsdb_search(ldb, mem_ctx, &res, NULL, LDB_SCOPE_SUBTREE, attrs,
+ DSDB_SEARCH_SEARCH_ALL_PARTITIONS |
+ DSDB_SEARCH_SHOW_EXTENDED_DN |
+ DSDB_SEARCH_ONE_ONLY,
+ "objectSid=%s", sid_str);
+ talloc_free(sid_str);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ *dn = talloc_steal(mem_ctx, res->msgs[0]->dn);
+ talloc_free(res);
+
+ return LDB_SUCCESS;
+}
/*
load a repsFromTo blob list for a given partition GUID
const char *attrs[] = { attr, NULL };
struct ldb_result *res = NULL;
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
- int i;
+ unsigned int i;
struct ldb_message_element *el;
*r = NULL;
for (i=0; i<(*count); i++) {
enum ndr_err_code ndr_err;
ndr_err = ndr_pull_struct_blob(&el->values[i],
- mem_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
+ mem_ctx,
&(*r)[i],
(ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
struct ldb_message *msg;
struct ldb_message_element *el;
- int i;
+ unsigned int i;
msg = ldb_msg_new(tmp_ctx);
msg->dn = dn;
struct ldb_val v;
enum ndr_err_code ndr_err;
- ndr_err = ndr_push_struct_blob(&v, tmp_ctx, lp_iconv_convenience(ldb_get_opaque(sam_ctx, "loadparm")),
+ ndr_err = ndr_push_struct_blob(&v, tmp_ctx,
&r[i],
(ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
res = talloc_zero(tmp_ctx, struct ldb_result);
if (!res) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
ret = ldb_build_search_req(&req, ldb, tmp_ctx,
p_ctrl = talloc(req, struct dsdb_control_current_partition);
if (p_ctrl == NULL) {
- talloc_free(res);
- return LDB_ERR_OPERATIONS_ERROR;
+ talloc_free(tmp_ctx);
+ return ldb_oom(ldb);
}
p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
p_ctrl->dn = dn;
-
ret = ldb_request_add_control(req,
DSDB_CONTROL_CURRENT_PARTITION_OID,
false, p_ctrl);
return LDB_SUCCESS;
}
+int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
+ const struct drsuapi_DsReplicaCursor2 *c2)
+{
+ return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
+}
+
+int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
+ const struct drsuapi_DsReplicaCursor *c2)
+{
+ return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
+}
+
+
/*
- save uSNHighest and uSNUrgent attributes in the @REPLCHANGED object for a
- partition
- */
-int dsdb_save_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn,
- uint64_t uSN, uint64_t urgent_uSN)
+ see if a computer identified by its invocationId is a RODC
+*/
+int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
{
- struct ldb_request *req;
- struct ldb_message *msg;
- struct dsdb_control_current_partition *p_ctrl;
+ /* 1) find the DN for this servers NTDSDSA object
+ 2) search for the msDS-isRODC attribute
+ 3) if not present then not a RODC
+ 4) if present and TRUE then is a RODC
+ */
+ struct ldb_dn *config_dn;
+ const char *attrs[] = { "msDS-isRODC", NULL };
int ret;
+ struct ldb_result *res;
+ TALLOC_CTX *tmp_ctx = talloc_new(sam_ctx);
- msg = ldb_msg_new(ldb);
- if (msg == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ config_dn = ldb_get_config_basedn(sam_ctx);
+ if (!config_dn) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(sam_ctx);
}
- msg->dn = ldb_dn_new(msg, ldb, "@REPLCHANGED");
- if (msg->dn == NULL) {
- talloc_free(msg);
- return LDB_ERR_OPERATIONS_ERROR;
+ ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
+ DSDB_SEARCH_ONE_ONLY, "objectGUID=%s", GUID_string(tmp_ctx, objectGUID));
+
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ *is_rodc = false;
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
}
-
- ret = ldb_msg_add_fmt(msg, "uSNHighest", "%llu", (unsigned long long)uSN);
+
if (ret != LDB_SUCCESS) {
- talloc_free(msg);
+ DEBUG(1,(("Failed to find our own NTDS Settings object by objectGUID=%s!\n"),
+ GUID_string(tmp_ctx, objectGUID)));
+ *is_rodc = false;
+ talloc_free(tmp_ctx);
return ret;
}
- msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
-
- /* urgent_uSN is optional so may not be stored */
- if (urgent_uSN) {
- ret = ldb_msg_add_fmt(msg, "uSNUrgent", "%llu", (unsigned long long)urgent_uSN);
- if (ret != LDB_SUCCESS) {
- talloc_free(msg);
- return ret;
- }
- msg->elements[1].flags = LDB_FLAG_MOD_REPLACE;
- }
+ ret = ldb_msg_find_attr_as_bool(res->msgs[0], "msDS-isRODC", 0);
+ *is_rodc = (ret == 1);
- p_ctrl = talloc(msg, struct dsdb_control_current_partition);
- if (p_ctrl == NULL) {
- talloc_free(msg);
- return LDB_ERR_OPERATIONS_ERROR;
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+
+/*
+ see if we are a RODC
+*/
+int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
+{
+ const struct GUID *objectGUID;
+ int ret;
+ bool *cached;
+
+ /* see if we have a cached copy */
+ cached = (bool *)ldb_get_opaque(sam_ctx, "cache.am_rodc");
+ if (cached) {
+ *am_rodc = *cached;
+ return LDB_SUCCESS;
}
- p_ctrl->version = DSDB_CONTROL_CURRENT_PARTITION_VERSION;
- p_ctrl->dn = dn;
- ret = ldb_build_mod_req(&req, ldb, msg,
- msg,
- NULL,
- NULL, ldb_op_default_callback,
- NULL);
-again:
- if (ret != LDB_SUCCESS) {
- talloc_free(msg);
- return ret;
+ objectGUID = samdb_ntds_objectGUID(sam_ctx);
+ if (!objectGUID) {
+ return ldb_operr(sam_ctx);
}
-
- ret = ldb_request_add_control(req,
- DSDB_CONTROL_CURRENT_PARTITION_OID,
- false, p_ctrl);
+
+ ret = samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
if (ret != LDB_SUCCESS) {
- talloc_free(msg);
return ret;
}
-
- /* Run the new request */
- ret = ldb_request(ldb, req);
-
- if (ret == LDB_SUCCESS) {
- ret = ldb_wait(req->handle, LDB_WAIT_ALL);
- }
- if (ret == LDB_ERR_NO_SUCH_OBJECT) {
- ret = ldb_build_add_req(&req, ldb, msg,
- msg,
- NULL,
- NULL, ldb_op_default_callback,
- NULL);
- goto again;
+
+ cached = talloc(sam_ctx, bool);
+ if (cached == NULL) {
+ return ldb_oom(sam_ctx);
}
-
- talloc_free(msg);
-
- return ret;
-}
+ *cached = *am_rodc;
-int drsuapi_DsReplicaCursor2_compare(const struct drsuapi_DsReplicaCursor2 *c1,
- const struct drsuapi_DsReplicaCursor2 *c2)
-{
- return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
-}
+ ret = ldb_set_opaque(sam_ctx, "cache.am_rodc", cached);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(cached);
+ return ldb_operr(sam_ctx);
+ }
-int drsuapi_DsReplicaCursor_compare(const struct drsuapi_DsReplicaCursor *c1,
- const struct drsuapi_DsReplicaCursor *c2)
-{
- return GUID_compare(&c1->source_dsa_invocation_id, &c2->source_dsa_invocation_id);
+ return LDB_SUCCESS;
}
-/*
- see if we are a RODC
-*/
-bool samdb_rodc(struct ldb_context *sam_ctx)
+bool samdb_set_am_rodc(struct ldb_context *ldb, bool am_rodc)
{
TALLOC_CTX *tmp_ctx;
- const char *obj_category;
- struct ldb_dn *obj_category_dn;
- const struct ldb_val *obj_category_dn_rdn_val;
+ bool *cached;
- tmp_ctx = talloc_new(sam_ctx);
+ tmp_ctx = talloc_new(ldb);
if (tmp_ctx == NULL) {
- DEBUG(1,("samdb_rodc: Failed to talloc new context.\n"));
- goto failed;
- }
-
- obj_category = samdb_ntds_object_category(tmp_ctx, sam_ctx);
- if (!obj_category) {
- DEBUG(1,("samdb_rodc: Failed to get object category.\n"));
goto failed;
}
- obj_category_dn = ldb_dn_new(tmp_ctx, sam_ctx, obj_category);
- if (!obj_category_dn) {
- DEBUG(1,("samdb_rodc: Failed to create object category dn.\n"));
+ cached = talloc(tmp_ctx, bool);
+ if (!cached) {
goto failed;
}
- obj_category_dn_rdn_val = ldb_dn_get_rdn_val(obj_category_dn);
- if (!obj_category_dn_rdn_val) {
- DEBUG(1, ("samdb_rodc: Failed to get object category dn rdn value.\n"));
+ *cached = am_rodc;
+ if (ldb_set_opaque(ldb, "cache.am_rodc", cached) != LDB_SUCCESS) {
goto failed;
}
- if (strequal((const char*)obj_category_dn_rdn_val->data, "NTDS-DSA-RO")) {
- talloc_free(tmp_ctx);
- return true;
- }
+ talloc_steal(ldb, cached);
+ talloc_free(tmp_ctx);
+ return true;
failed:
+ DEBUG(1,("Failed to set our own cached am_rodc in the ldb!\n"));
talloc_free(tmp_ctx);
return false;
}
+
/*
return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
}
ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
- if (ret) {
+ if (ret != LDB_SUCCESS) {
goto failed;
}
struct ldb_result *res;
ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
- if (ret) {
+ if (ret != LDB_SUCCESS) {
goto failed;
}
}
/*
- return domain functional level
- returns DS_DOMAIN_FUNCTION_*
+ * This detects and returns the domain functional level (DS_DOMAIN_FUNCTION_*)
*/
int dsdb_functional_level(struct ldb_context *ldb)
{
int *domainFunctionality =
talloc_get_type(ldb_get_opaque(ldb, "domainFunctionality"), int);
if (!domainFunctionality) {
- DEBUG(0,(__location__ ": WARNING: domainFunctionality not setup\n"));
+ /* this is expected during initial provision */
+ DEBUG(4,(__location__ ": WARNING: domainFunctionality not setup\n"));
return DS_DOMAIN_FUNCTION_2000;
}
return *domainFunctionality;
}
+/*
+ * This detects and returns the forest functional level (DS_DOMAIN_FUNCTION_*)
+ */
+int dsdb_forest_functional_level(struct ldb_context *ldb)
+{
+ int *forestFunctionality =
+ talloc_get_type(ldb_get_opaque(ldb, "forestFunctionality"), int);
+ if (!forestFunctionality) {
+ DEBUG(0,(__location__ ": WARNING: forestFunctionality not setup\n"));
+ return DS_DOMAIN_FUNCTION_2000;
+ }
+ return *forestFunctionality;
+}
+
/*
set a GUID in an extended DN structure
*/
return NT_STATUS_OK;
}
+/*
+ return a dom_sid from a extended DN structure
+ */
+NTSTATUS dsdb_get_extended_dn_sid(struct ldb_dn *dn, struct dom_sid *sid, const char *component_name)
+{
+ const struct ldb_val *sid_blob;
+ struct TALLOC_CTX *tmp_ctx;
+ enum ndr_err_code ndr_err;
+
+ sid_blob = ldb_dn_get_extended_component(dn, component_name);
+ if (!sid_blob) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+
+ tmp_ctx = talloc_new(NULL);
+
+ ndr_err = ndr_pull_struct_blob_all(sid_blob, tmp_ctx, sid,
+ (ndr_pull_flags_fn_t)ndr_pull_dom_sid);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ NTSTATUS status = ndr_map_error2ntstatus(ndr_err);
+ talloc_free(tmp_ctx);
+ return status;
+ }
+
+ talloc_free(tmp_ctx);
+ return NT_STATUS_OK;
+}
+
+
/*
return RMD_FLAGS directly from a ldb_dn
returns 0 if not found
return RMD_FLAGS directly from a ldb_val for a DN
returns 0 if RMD_FLAGS is not found
*/
-uint32_t dsdb_dn_val_rmd_flags(struct ldb_val *val)
+uint32_t dsdb_dn_val_rmd_flags(const struct ldb_val *val)
{
const char *p;
uint32_t flags;
/*
return true if a ldb_val containing a DN in storage form is deleted
*/
-bool dsdb_dn_is_deleted_val(struct ldb_val *val)
+bool dsdb_dn_is_deleted_val(const struct ldb_val *val)
{
return (dsdb_dn_val_rmd_flags(val) & DSDB_RMD_FLAG_DELETED) != 0;
}
wk_guid, ldb_dn_get_linearized(nc_root));
if (!wkguid_dn) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(samdb);
}
ret = dsdb_search_dn(samdb, tmp_ctx, &res, dn, attrs, DSDB_SEARCH_SHOW_DELETED);
int ret;
struct ldb_message_element *el;
struct ldb_result *root_res;
- int i;
+ unsigned int i;
struct ldb_dn **nc_dns;
tmp_ctx = talloc_new(samdb);
if (tmp_ctx == NULL) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(samdb);
}
ret = ldb_search(samdb, tmp_ctx, &root_res,
ldb_dn_new(tmp_ctx, samdb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
- if (ret) {
+ if (ret != LDB_SUCCESS) {
DEBUG(1,("Searching for namingContexts in rootDSE failed: %s\n", ldb_errstring(samdb)));
talloc_free(tmp_ctx);
return ret;
nc_dns = talloc_array(tmp_ctx, struct ldb_dn *, el->num_values);
if (!nc_dns) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(samdb);
}
for (i=0; i<el->num_values; i++) {
nc_dns[i] = ldb_dn_from_ldb_val(nc_dns, samdb, &el->values[i]);
if (nc_dns[i] == NULL) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(samdb);
}
}
int dsdb_tombstone_lifetime(struct ldb_context *ldb, uint32_t *lifetime)
{
struct ldb_dn *dn;
- dn = samdb_config_dn(ldb);
+ dn = ldb_get_config_basedn(ldb);
if (!dn) {
return LDB_ERR_NO_SUCH_OBJECT;
}
dn = ldb_dn_copy(ldb, dn);
if (!dn) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
/* see MS-ADTS section 7.1.1.2.4.1.1. There doesn't appear to
be a wellknown GUID for this */
if (!ldb_dn_add_child_fmt(dn, "CN=Directory Service,CN=Windows NT,CN=Services")) {
talloc_free(dn);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(ldb);
}
*lifetime = samdb_search_uint(ldb, dn, 180, dn, "tombstoneLifetime", "objectClass=nTDSService");
static const char *attrs[] = { "replUpToDateVector", NULL };
struct ldb_result *r;
const struct ldb_val *ouv_value;
- int ret, i;
+ unsigned int i;
+ int ret;
uint64_t highest_usn;
const struct GUID *our_invocation_id;
struct timeval now = timeval_current();
enum ndr_err_code ndr_err;
struct replUpToDateVectorBlob ouv;
- ndr_err = ndr_pull_struct_blob(ouv_value, r,
- lp_iconv_convenience(ldb_get_opaque(samdb, "loadparm")), &ouv,
+ ndr_err = ndr_pull_struct_blob(ouv_value, r, &ouv,
(ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
talloc_free(r);
if (!our_invocation_id) {
DEBUG(0,(__location__ ": No invocationID on samdb - %s\n", ldb_errstring(samdb)));
talloc_free(*cursors);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_operr(samdb);
}
ret = dsdb_load_partition_usn(samdb, dn, &highest_usn, NULL);
(*cursors) = talloc_realloc(mem_ctx, *cursors, struct drsuapi_DsReplicaCursor2, (*count)+1);
if (! *cursors) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(samdb);
}
(*cursors)[*count].source_dsa_invocation_id = *our_invocation_id;
struct drsuapi_DsReplicaCursor **cursors, uint32_t *count)
{
struct drsuapi_DsReplicaCursor2 *v2;
- int ret, i;
+ uint32_t i;
+ int ret;
ret = dsdb_load_udv_v2(samdb, dn, mem_ctx, &v2, count);
if (ret != LDB_SUCCESS) {
*cursors = talloc_array(mem_ctx, struct drsuapi_DsReplicaCursor, *count);
if (*cursors == NULL) {
talloc_free(v2);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(samdb);
}
for (i=0; i<*count; i++) {
}
}
+ if (dsdb_flags & DSDB_TREE_DELETE) {
+ ret = ldb_request_add_control(req, LDB_CONTROL_TREE_DELETE_OID, false, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+
return LDB_SUCCESS;
}
+/*
+ an add with a set of controls
+*/
+int dsdb_add(struct ldb_context *ldb, const struct ldb_message *message,
+ uint32_t dsdb_flags)
+{
+ struct ldb_request *req;
+ int ret;
+
+ ret = ldb_build_add_req(&req, ldb, ldb,
+ message,
+ NULL,
+ NULL,
+ ldb_op_default_callback,
+ NULL);
+
+ if (ret != LDB_SUCCESS) return ret;
+
+ ret = dsdb_request_add_controls(req, dsdb_flags);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(req);
+ return ret;
+ }
+
+ ret = dsdb_autotransaction_request(ldb, req);
+
+ talloc_free(req);
+ return ret;
+}
+
/*
a modify with a set of controls
*/
*/
int dsdb_replace(struct ldb_context *ldb, struct ldb_message *msg, uint32_t dsdb_flags)
{
- int i;
+ unsigned int i;
/* mark all the message elements as LDB_FLAG_MOD_REPLACE */
for (i=0;i<msg->num_elements;i++) {
res = talloc_zero(mem_ctx, struct ldb_result);
if (!res) {
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
ret = ldb_build_search_req(&req, ldb, res,
return LDB_SUCCESS;
}
+/*
+ search for attrs on one DN, by the GUID of the DN, allowing for
+ dsdb_flags controls
+ */
+int dsdb_search_by_dn_guid(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_result **_res,
+ const struct GUID *guid,
+ const char * const *attrs,
+ uint32_t dsdb_flags)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ struct ldb_dn *dn;
+ int ret;
+
+ dn = ldb_dn_new_fmt(tmp_ctx, ldb, "<GUID=%s>", GUID_string(tmp_ctx, guid));
+ if (!ldb_dn_validate(dn)) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+
+ ret = dsdb_search_dn(ldb, mem_ctx, _res, dn, attrs, dsdb_flags);
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
/*
general search with dsdb_flags for controls
*/
res = talloc_zero(tmp_ctx, struct ldb_result);
if (!res) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
if (exp_fmt) {
if (!expression) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
}
ret = dsdb_request_add_controls(req, dsdb_flags);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
+ ldb_reset_err_string(ldb);
return ret;
}
if (dsdb_flags & DSDB_SEARCH_ONE_ONLY) {
if (res->count == 0) {
talloc_free(tmp_ctx);
+ ldb_reset_err_string(ldb);
return LDB_ERR_NO_SUCH_OBJECT;
}
if (res->count != 1) {
talloc_free(tmp_ctx);
+ ldb_reset_err_string(ldb);
return LDB_ERR_CONSTRAINT_VIOLATION;
}
}
res = talloc_zero(tmp_ctx, struct ldb_result);
if (!res) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
if (exp_fmt) {
if (!expression) {
talloc_free(tmp_ctx);
- return LDB_ERR_OPERATIONS_ERROR;
+ return ldb_oom(ldb);
}
+ ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
+ dsdb_flags, "%s", expression);
+ } else {
+ ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
+ dsdb_flags, NULL);
}
- ret = dsdb_search(ldb, tmp_ctx, &res, basedn, scope, attrs,
- dsdb_flags, "%s", expression);
if (ret != LDB_SUCCESS) {
talloc_free(tmp_ctx);
return ret;
return LDB_SUCCESS;
}
+
+/* returns back the forest DNS name */
+const char *samdb_forest_name(struct ldb_context *ldb, TALLOC_CTX *mem_ctx)
+{
+ const char *forest_name = ldb_dn_canonical_string(mem_ctx,
+ ldb_get_root_basedn(ldb));
+ char *p;
+
+ if (forest_name == NULL) {
+ return NULL;
+ }
+
+ p = strchr(forest_name, '/');
+ if (p) {
+ *p = '\0';
+ }
+
+ return forest_name;
+}
+
+/*
+ validate that an DSA GUID belongs to the specified user sid.
+ The user SID must be a domain controller account (either RODC or
+ RWDC)
+ */
+int dsdb_validate_dsa_guid(struct ldb_context *ldb,
+ const struct GUID *dsa_guid,
+ const struct dom_sid *sid)
+{
+ /* strategy:
+ - find DN of record with the DSA GUID in the
+ configuration partition (objectGUID)
+ - remove "NTDS Settings" component from DN
+ - do a base search on that DN for serverReference with
+ extended-dn enabled
+ - extract objectSid from resulting serverReference
+ attribute
+ - check this sid matches the sid argument
+ */
+ struct ldb_dn *config_dn;
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ struct ldb_message *msg;
+ const char *attrs1[] = { NULL };
+ const char *attrs2[] = { "serverReference", NULL };
+ int ret;
+ struct ldb_dn *dn, *account_dn;
+ struct dom_sid sid2;
+ NTSTATUS status;
+
+ config_dn = ldb_get_config_basedn(ldb);
+
+ ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
+ attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1,(__location__ ": Failed to find DSA objectGUID %s for sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+ dn = msg->dn;
+
+ if (!ldb_dn_remove_child_components(dn, 1)) {
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ ret = dsdb_search_one(ldb, tmp_ctx, &msg, dn, LDB_SCOPE_BASE,
+ attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
+ "(objectClass=server)");
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1,(__location__ ": Failed to find server record for DSA with objectGUID %s, sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ account_dn = ldb_msg_find_attr_as_dn(ldb, tmp_ctx, msg, "serverReference");
+ if (account_dn == NULL) {
+ DEBUG(1,(__location__ ": Failed to find account_dn for DSA with objectGUID %s, sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(1,(__location__ ": Failed to find SID for DSA with objectGUID %s, sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid), dom_sid_string(tmp_ctx, sid)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ if (!dom_sid_equal(sid, &sid2)) {
+ /* someone is trying to spoof another account */
+ DEBUG(0,(__location__ ": Bad DSA objectGUID %s for sid %s - expected sid %s\n",
+ GUID_string(tmp_ctx, dsa_guid),
+ dom_sid_string(tmp_ctx, sid),
+ dom_sid_string(tmp_ctx, &sid2)));
+ talloc_free(tmp_ctx);
+ return ldb_operr(ldb);
+ }
+
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+static const char *secret_attributes[] = {
+ "currentValue",
+ "dBCSPwd",
+ "initialAuthIncoming",
+ "initialAuthOutgoing",
+ "lmPwdHistory",
+ "ntPwdHistory",
+ "priorValue",
+ "supplementalCredentials",
+ "trustAuthIncoming",
+ "trustAuthOutgoing",
+ "unicodePwd",
+ NULL
+};
+
+/*
+ check if the attribute belongs to the RODC filtered attribute set
+ Note that attributes that are in the filtered attribute set are the
+ ones that _are_ always sent to a RODC
+*/
+bool dsdb_attr_in_rodc_fas(const struct dsdb_attribute *sa)
+{
+ /* they never get secret attributes */
+ if (is_attr_in_list(secret_attributes, sa->lDAPDisplayName)) {
+ return false;
+ }
+
+ /* they do get non-secret critical attributes */
+ if (sa->schemaFlagsEx & SCHEMA_FLAG_ATTR_IS_CRITICAL) {
+ return true;
+ }
+
+ /* they do get non-secret attributes marked as being in the FAS */
+ if (sa->searchFlags & SEARCH_FLAG_RODC_ATTRIBUTE) {
+ return true;
+ }
+
+ /* other attributes are denied */
+ return false;
+}
+
+/* return fsmo role dn and role owner dn for a particular role*/
+WERROR dsdb_get_fsmo_role_info(TALLOC_CTX *tmp_ctx,
+ struct ldb_context *ldb,
+ uint32_t role,
+ struct ldb_dn **fsmo_role_dn,
+ struct ldb_dn **role_owner_dn)
+{
+ int ret;
+ switch (role) {
+ case DREPL_NAMING_MASTER:
+ *fsmo_role_dn = samdb_partitions_dn(ldb, tmp_ctx);
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Naming Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_INFRASTRUCTURE_MASTER:
+ *fsmo_role_dn = samdb_infrastructure_dn(ldb, tmp_ctx);
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_RID_MASTER:
+ ret = samdb_rid_manager_dn(ldb, tmp_ctx, fsmo_role_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, (__location__ ": Failed to find RID Manager object - %s", ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in RID Manager object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_SCHEMA_MASTER:
+ *fsmo_role_dn = ldb_get_schema_basedn(ldb);
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_PDC_MASTER:
+ *fsmo_role_dn = ldb_get_default_basedn(ldb);
+ ret = samdb_reference_dn(ldb, tmp_ctx, *fsmo_role_dn, "fSMORoleOwner", role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Pd Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ default:
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ return WERR_OK;
+}
+
+const char *samdb_dn_to_dnshostname(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_dn *server_dn)
+{
+ int ldb_ret;
+ struct ldb_result *res = NULL;
+ const char * const attrs[] = { "dNSHostName", NULL};
+
+ ldb_ret = ldb_search(ldb, mem_ctx, &res,
+ server_dn,
+ LDB_SCOPE_BASE,
+ attrs, NULL);
+ if (ldb_ret != LDB_SUCCESS) {
+ DEBUG(4, ("Failed to find dNSHostName for dn %s, ldb error: %s",
+ ldb_dn_get_linearized(server_dn), ldb_errstring(ldb)));
+ return NULL;
+ }
+
+ return samdb_result_string(res->msgs[0], "dNSHostName", NULL);
+}
+
+/*
+ returns true if an attribute is in the filter,
+ false otherwise, provided that attribute value is provided with the expression
+*/
+bool dsdb_attr_in_parse_tree(struct ldb_parse_tree *tree,
+ const char *attr)
+{
+ unsigned int i;
+ switch (tree->operation) {
+ case LDB_OP_AND:
+ case LDB_OP_OR:
+ for (i=0;i<tree->u.list.num_elements;i++) {
+ if (dsdb_attr_in_parse_tree(tree->u.list.elements[i],
+ attr))
+ return true;
+ }
+ return false;
+ case LDB_OP_NOT:
+ return dsdb_attr_in_parse_tree(tree->u.isnot.child, attr);
+ case LDB_OP_EQUALITY:
+ case LDB_OP_GREATER:
+ case LDB_OP_LESS:
+ case LDB_OP_APPROX:
+ if (ldb_attr_cmp(tree->u.equality.attr, attr) == 0) {
+ return true;
+ }
+ return false;
+ case LDB_OP_SUBSTRING:
+ if (ldb_attr_cmp(tree->u.substring.attr, attr) == 0) {
+ return true;
+ }
+ return false;
+ case LDB_OP_PRESENT:
+ /* (attrname=*) is not filtered out */
+ return false;
+ case LDB_OP_EXTENDED:
+ if (tree->u.extended.attr &&
+ ldb_attr_cmp(tree->u.extended.attr, attr) == 0) {
+ return true;
+ }
+ return false;
+ }
+ return false;
+}
+
git.samba.org / samba.git / blobdiff