#include "lib/util/tsort.h"
#include "dsdb/common/util.h"
#include "lib/socket/socket.h"
+#include "dsdb/samdb/ldb_modules/util.h"
/*
search the sam for the specified attributes in a specific domain, filter on
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 (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) {
const struct ldb_val *val;
const char *site_name = NULL, *l_subnet_name = NULL;
const char *allow_list[2] = { NULL, NULL };
- unsigned int i;
+ unsigned int i, count;
int cnt, ret;
/*
ret = ldb_search(ldb, mem_ctx, &res, subnets_dn, LDB_SCOPE_ONELEVEL,
attrs, NULL);
- if (ret != LDB_SUCCESS) {
+ 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 < res->count; i++) {
+ for (i = 0; i < count; i++) {
l_subnet_name = ldb_msg_find_attr_as_string(res->msgs[i], "cn",
NULL);
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.
- *
* 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
*/
-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,
+ struct samr_Password *lmNewHash,
+ struct samr_Password *ntNewHash,
bool user_change,
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;
- unsigned 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;
- /* 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;
+ 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;
}
- } 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;
+ 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;
+ }
+
+ /* 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;
+ }
- 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 (user_change) {
+ /* a user password change and we've checked already the old
+ * password somewhere else (callers responsability) */
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_PASSWORD_CHANGE_OLD_PW_CHECKED_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_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;
+ }
- 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);
+ ret = dsdb_autotransaction_request(ldb, req);
- if ((userAccountControl & UF_PASSWD_NOTREQD) != 0) {
- /* see [MS-ADTS] 2.2.15 */
- minPwdLength = 0;
+ if (req->context != NULL) {
+ pwd_stat = talloc_steal(mem_ctx,
+ ((struct ldb_control *)req->context)->data);
}
+ talloc_free(req);
+ talloc_free(msg);
+
+ /* Sets the domain info (if requested) */
if (_dominfo != NULL) {
struct samr_DomInfo1 *dominfo;
- /* on failure we need to fill in the reject reasons */
- dominfo = talloc(mem_ctx, struct samr_DomInfo1);
+
+ dominfo = talloc_zero(mem_ctx, struct samr_DomInfo1);
if (dominfo == NULL) {
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;
-
- /* 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;
+ 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;
}
- /* 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;
- }
- }
+ *_dominfo = dominfo;
}
- 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;
- }
-
- /* 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;
- }
-
- /* 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;
- }
-
- /* 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;
- }
- }
-
- /* 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;
- }
+ if (reject_reason != NULL) {
+ if (pwd_stat != NULL) {
+ *reject_reason = pwd_stat->reject_reason;
+ } else {
+ *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
}
}
-#define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
+ if (pwd_stat != NULL) {
+ talloc_free(pwd_stat);
+ }
- /* 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));
+ /* TODO: Error results taken from "password_hash" module. Are they
+ correct? */
+ if (ret == LDB_ERR_UNWILLING_TO_PERFORM) {
+ status = NT_STATUS_WRONG_PASSWORD;
+ } else if (ret == LDB_ERR_CONSTRAINT_VIOLATION) {
+ status = NT_STATUS_PASSWORD_RESTRICTION;
+ } else if (ret != LDB_SUCCESS) {
+ status = NT_STATUS_UNSUCCESSFUL;
} else {
- /* we don't have the cleartext, so set what we have of the
- * hashes */
-
- if (lmNewHash) {
- CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
- }
-
- if (ntNewHash) {
- CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
- }
+ status = NT_STATUS_OK;
}
- 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
*
* 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
*/
NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
const struct dom_sid *user_sid,
{
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,
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",
/*
see if a computer identified by its invocationId is a RODC
*/
-int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *invocationId, bool *is_rodc)
+int samdb_is_rodc(struct ldb_context *sam_ctx, const struct GUID *objectGUID, bool *is_rodc)
{
/* 1) find the DN for this servers NTDSDSA object
2) search for the msDS-isRODC attribute
}
ret = dsdb_search(sam_ctx, tmp_ctx, &res, config_dn, LDB_SCOPE_SUBTREE, attrs,
- DSDB_SEARCH_ONE_ONLY, "invocationID=%s", GUID_string(tmp_ctx, invocationId));
+ 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;
+ }
+
if (ret != LDB_SUCCESS) {
+ 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;
}
*/
int samdb_rodc(struct ldb_context *sam_ctx, bool *am_rodc)
{
- const struct GUID *invocationId;
- invocationId = samdb_ntds_invocation_id(sam_ctx);
- if (!invocationId) {
+ const struct GUID *objectGUID;
+ int ret;
+ bool *cached;
+
+ /* see if we have a cached copy */
+ cached = (bool *)ldb_get_opaque(ldb, "cache.am_rodc");
+ if (cached) {
+ *am_rodc = *cached;
+ return LDB_SUCCESS;
+ }
+
+ objectGUID = samdb_ntds_objectGUID(sam_ctx);
+ if (!objectGUID) {
return LDB_ERR_OPERATIONS_ERROR;
}
- return samdb_is_rodc(sam_ctx, invocationId, am_rodc);
+
+ ret = samdb_is_rodc(sam_ctx, objectGUID, am_rodc);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ cached = talloc(ldb, bool);
+ if (cached == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ *cached = *am_rodc;
+
+ ret = ldb_set_opaque(ldb, "cache.am_rodc", cached);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(cached);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ return LDB_SUCCESS;
}
}
/*
- validate that an invocationID belongs to the specified user sid.
+ 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_invocation_id(struct ldb_context *ldb,
- const struct GUID *invocation_id,
- const struct dom_sid *sid)
+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 invocationID in the
- configuration partition
- - remote "NTDS Settings" component from DN
+ - 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
config_dn = ldb_get_config_basedn(ldb);
ret = dsdb_search_one(ldb, tmp_ctx, &msg, config_dn, LDB_SCOPE_SUBTREE,
- attrs1, 0, "(&(invocationID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, invocation_id));
+ attrs1, 0, "(&(objectGUID=%s)(objectClass=nTDSDSA))", GUID_string(tmp_ctx, dsa_guid));
if (ret != LDB_SUCCESS) {
- DEBUG(1,(__location__ ": Failed to find invocationID %s for sid %s\n",
- GUID_string(tmp_ctx, invocation_id), dom_sid_string(tmp_ctx, sid)));
+ 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_ERR_OPERATIONS_ERROR;
}
attrs2, DSDB_SEARCH_SHOW_EXTENDED_DN,
"(objectClass=server)");
if (ret != LDB_SUCCESS) {
- DEBUG(1,(__location__ ": Failed to find server record for invocationID %s, sid %s\n",
- GUID_string(tmp_ctx, invocation_id), dom_sid_string(tmp_ctx, sid)));
+ 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_ERR_OPERATIONS_ERROR;
}
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 invocationID %s, sid %s\n",
- GUID_string(tmp_ctx, invocation_id), dom_sid_string(tmp_ctx, sid)));
+ 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_ERR_OPERATIONS_ERROR;
}
status = dsdb_get_extended_dn_sid(account_dn, &sid2, "SID");
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1,(__location__ ": Failed to find SID for invocationID %s, sid %s\n",
- GUID_string(tmp_ctx, invocation_id), dom_sid_string(tmp_ctx, sid)));
+ 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_ERR_OPERATIONS_ERROR;
}
if (!dom_sid_equal(sid, &sid2)) {
/* someone is trying to spoof another account */
- DEBUG(0,(__location__ ": Bad invocationID invocationID %s for sid %s - expected sid %s\n",
- GUID_string(tmp_ctx, invocation_id),
+ 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);
talloc_free(tmp_ctx);
return LDB_SUCCESS;
}
+
+const char *rodc_fas_list[] = {"ms-PKI-DPAPIMasterKeys",
+ "ms-PKI-AccountCredentials",
+ "ms-PKI-RoamingTimeStamp",
+ "ms-FVE-KeyPackage",
+ "ms-FVE-RecoveryGuid",
+ "ms-FVE-RecoveryInformation",
+ "ms-FVE-RecoveryPassword",
+ "ms-FVE-VolumeGuid",
+ "ms-TPM-OwnerInformation",
+ NULL};
+/*
+ check if the attribute belongs to the RODC filtered attribute set
+*/
+bool dsdb_attr_in_rodc_fas(uint32_t replica_flags, const struct dsdb_attribute *sa)
+{
+ int rodc_filtered_flags = SEARCH_FLAG_RODC_ATTRIBUTE | SEARCH_FLAG_CONFIDENTIAL;
+ bool drs_write_replica = ((replica_flags & DRSUAPI_DRS_WRIT_REP) == 0);
+
+ if (drs_write_replica && (sa->searchFlags & rodc_filtered_flags)) {
+ return true;
+ }
+ if (drs_write_replica && is_attr_in_list(rodc_fas_list, sa->cn)) {
+ return true;
+ }
+ return false;
+}