Copyright (C) Volker Lendecke 2004
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006
Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2007
-
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
-
+
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
-
+
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
-#include "events.h"
+#include "events/events.h"
#include "ldb.h"
#include "ldb_errors.h"
-#include "lib/util/util_ldb.h"
+#include "../lib/util/util_ldb.h"
+#include "../lib/crypto/crypto.h"
#include "dsdb/samdb/samdb.h"
#include "libcli/security/security.h"
#include "librpc/gen_ndr/ndr_security.h"
#include "librpc/gen_ndr/ndr_misc.h"
-#include "dsdb/common/flags.h"
+#include "../libds/common/flags.h"
#include "dsdb/common/proto.h"
#include "libcli/ldap/ldap_ndr.h"
#include "param/param.h"
#include "libcli/auth/libcli_auth.h"
+#include "librpc/gen_ndr/ndr_drsblobs.h"
/*
search the sam for the specified attributes in a specific domain, filter on
return samdb_result_string(res[0], attr_name, NULL);
}
-
/*
search the sam for a single string attribute in exactly 1 record
return ldb_msg_find_attr_as_uint64(msg, attr, default_value);
}
+/*
+ * Windows stores 0 for lastLogoff.
+ * But when a MS DC return the lastLogoff (as Logoff Time)
+ * it returns 0x7FFFFFFFFFFFFFFF, not returning this value in this case
+ * cause windows 2008 and newer version to fail for SMB requests
+ */
+NTTIME samdb_result_last_logoff(struct ldb_message *msg)
+{
+ NTTIME ret = ldb_msg_find_attr_as_uint64(msg, "lastLogoff",0);
+
+ if (ret == 0)
+ ret = 0x7FFFFFFFFFFFFFFFULL;
+
+ return ret;
+}
+
/*
* Windows uses both 0 and 9223372036854775807 (0x7FFFFFFFFFFFFFFFULL) to
* indicate an account doesn't expire.
/*
pull a samr_Password structutre from a result set.
*/
-struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, struct ldb_message *msg, const char *attr)
+struct samr_Password *samdb_result_hash(TALLOC_CTX *mem_ctx, const struct ldb_message *msg, const char *attr)
{
struct samr_Password *hash = NULL;
const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
/*
pull an array of samr_Password structutres from a result set.
*/
-uint_t samdb_result_hashes(TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+uint_t samdb_result_hashes(TALLOC_CTX *mem_ctx, const struct ldb_message *msg,
const char *attr, struct samr_Password **hashes)
{
uint_t count = 0;
return count;
}
-NTSTATUS samdb_result_passwords(TALLOC_CTX *mem_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 (lm_pwd) {
- int num_lm;
- num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
- if (num_lm == 0) {
- *lm_pwd = NULL;
- } else if (num_lm > 1) {
- return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ /* 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;
+ num_lm = samdb_result_hashes(mem_ctx, msg, "dBCSPwd", &lmPwdHash);
+ if (num_lm == 0) {
+ *lm_pwd = NULL;
+ } else if (num_lm > 1) {
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ } else {
+ *lm_pwd = &lmPwdHash[0];
+ }
} else {
- *lm_pwd = &lmPwdHash[0];
+ *lm_pwd = NULL;
}
}
return NT_STATUS_OK;
struct ldb_message *msg, struct ldb_dn *domain_dn)
{
uint32_t userAccountControl = ldb_msg_find_attr_as_uint(msg, "userAccountControl", 0);
- uint32_t acct_flags = samdb_uf2acb(userAccountControl);
+ uint32_t acct_flags = ds_uf2acb(userAccountControl);
NTTIME must_change_time;
NTTIME now;
-
+
must_change_time = samdb_result_force_password_change(sam_ctx, mem_ctx,
domain_dn, msg);
-
+
/* Test account expire time */
unix_to_nt_time(&now, time(NULL));
/* check for expired password */
return acct_flags;
}
+struct lsa_BinaryString samdb_result_parameters(TALLOC_CTX *mem_ctx,
+ struct ldb_message *msg,
+ const char *attr)
+{
+ struct lsa_BinaryString s;
+ const struct ldb_val *val = ldb_msg_find_ldb_val(msg, attr);
+
+ ZERO_STRUCT(s);
+
+ if (!val) {
+ return s;
+ }
+
+ s.array = talloc_array(mem_ctx, uint16_t, val->length/2);
+ if (!s.array) {
+ return s;
+ }
+ s.length = s.size = val->length/2;
+ memcpy(s.array, val->data, val->length);
+
+ return s;
+}
/* Find an attribute, with a particular value */
if (el) {
return LDB_SUCCESS;
}
-
+
return samdb_msg_add_string(ldb, msg, msg, name, set_value);
}
int samdb_msg_add_acct_flags(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
const char *attr_name, uint32_t v)
{
- return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, samdb_acb2uf(v));
+ return samdb_msg_add_uint(sam_ldb, mem_ctx, msg, attr_name, ds_acb2uf(v));
}
/*
return ldb_msg_add_value(msg, attr_name, &val, NULL);
}
+/*
+ add a parameters element to a message
+*/
+int samdb_msg_add_parameters(struct ldb_context *sam_ldb, TALLOC_CTX *mem_ctx, struct ldb_message *msg,
+ const char *attr_name, struct lsa_BinaryString *parameters)
+{
+ struct ldb_val val;
+ val.length = parameters->length * 2;
+ val.data = (uint8_t *)parameters->array;
+ return ldb_msg_add_value(msg, attr_name, &val, NULL);
+}
/*
add a general value element to a message
*/
goto failed;
}
- ret = ldb_search_exp_fmt(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
+ ret = ldb_search(ldb, tmp_ctx, &res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, attrs, "objectSid=*");
if (ret != LDB_SUCCESS) {
goto failed;
}
-
+
if (res->count != 1) {
goto failed;
}
}
/* cache the domain_sid in the ldb */
- if (ldb_set_opaque(ldb, "cache.domain_sid", domain_sid) != LDB_SUCCESS) {
+ if (ldb_set_opaque(ldb, "cache.domain_sid", discard_const_p(struct dom_sid, domain_sid)) != LDB_SUCCESS) {
goto failed;
}
int ret;
struct ldb_result *root_res;
struct ldb_dn *settings_dn;
-
+
/* see if we have a cached copy */
settings_dn = (struct ldb_dn *)ldb_get_opaque(ldb, "cache.settings_dn");
if (settings_dn) {
if (tmp_ctx == NULL) {
goto failed;
}
-
- ret = ldb_search(ldb, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, NULL, root_attrs, &root_res);
+ ret = ldb_search(ldb, tmp_ctx, &root_res, ldb_dn_new(tmp_ctx, ldb, ""), LDB_SCOPE_BASE, root_attrs, NULL);
if (ret) {
DEBUG(1,("Searching for dsServiceName in rootDSE failed: %s\n",
ldb_errstring(ldb)));
goto failed;
}
- talloc_steal(tmp_ctx, root_res);
if (root_res->count != 1) {
goto failed;
int ret;
struct ldb_result *res;
struct GUID *invocation_id;
-
+
/* see if we have a cached copy */
invocation_id = (struct GUID *)ldb_get_opaque(ldb, "cache.invocation_id");
if (invocation_id) {
goto failed;
}
- ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
+ ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
if (ret) {
goto failed;
}
- talloc_steal(tmp_ctx, res);
if (res->count != 1) {
goto failed;
int ret;
struct ldb_result *res;
struct GUID *ntds_guid;
-
+
/* see if we have a cached copy */
ntds_guid = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
if (ntds_guid) {
goto failed;
}
- ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
+ ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
if (ret) {
goto failed;
}
- talloc_steal(tmp_ctx, res);
if (res->count != 1) {
goto failed;
TALLOC_CTX *tmp_ctx;
struct GUID *ntds_guid_new;
struct GUID *ntds_guid_old;
-
+
/* see if we have a cached copy */
ntds_guid_old = (struct GUID *)ldb_get_opaque(ldb, "cache.ntds_guid");
return server_site_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));
+
+ if (val != NULL)
+ return (const char *) val->data;
+ else
+ return NULL;
+}
+
/*
work out if we are the PDC for the domain of the current open ldb
*/
return false;
}
- ret = ldb_search(ldb, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, NULL, dom_attrs, &dom_res);
+ ret = ldb_search(ldb, tmp_ctx, &dom_res, ldb_get_default_basedn(ldb), LDB_SCOPE_BASE, dom_attrs, NULL);
if (ret) {
DEBUG(1,("Searching for fSMORoleOwner in %s failed: %s\n",
ldb_dn_get_linearized(ldb_get_default_basedn(ldb)),
ldb_errstring(ldb)));
goto failed;
}
- talloc_steal(tmp_ctx, dom_res);
if (dom_res->count != 1) {
goto failed;
}
}
/* Query cn=ntds settings,.... */
- ret = ldb_search(ldb, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, NULL, attrs, &res);
+ ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
if (ret) {
+ talloc_free(tmp_ctx);
return false;
}
if (res->count != 1) {
- talloc_free(res);
+ talloc_free(tmp_ctx);
return false;
}
options = ldb_msg_find_attr_as_int(res->msgs[0], "options", 0);
- talloc_free(res);
talloc_free(tmp_ctx);
/* if options attribute has the 0x00000001 flag set, then enable the global catlog */
local_ctx = talloc_new(mem_ctx);
if (local_ctx == NULL) return LDB_ERR_OPERATIONS_ERROR;
-
+
while ((sdn = ldb_dn_get_parent(local_ctx, sdn))) {
- ret = ldb_search(ldb, sdn, LDB_SCOPE_BASE,
- "(|(|(objectClass=domain)(objectClass=builtinDomain))(objectClass=samba4LocalDomain))", attrs, &res);
+ ret = ldb_search(ldb, local_ctx, &res, sdn, LDB_SCOPE_BASE, attrs,
+ "(|(objectClass=domain)(objectClass=builtinDomain))");
if (ret == LDB_SUCCESS) {
- talloc_steal(local_ctx, res);
if (res->count == 1) {
break;
}
if (res->count != 1) {
*errstring = talloc_asprintf(mem_ctx, "Invalid dn (%s), not child of a domain object",
ldb_dn_get_linearized(dn));
+ DEBUG(0,(__location__ ": %s\n", *errstring));
talloc_free(local_ctx);
return LDB_ERR_CONSTRAINT_VIOLATION;
}
return ret;
}
+
/*
- check that a password is sufficiently complex
-*/
-static bool samdb_password_complexity_ok(const char *pass)
+ * Performs checks on a user password (plaintext UNIX format - attribute
+ * "password"). The remaining parameters have to be extracted from the domain
+ * object in the AD.
+ *
+ * Result codes from "enum samr_ValidationStatus" (consider "samr.idl")
+ */
+enum samr_ValidationStatus samdb_check_password(const DATA_BLOB *password,
+ const uint32_t pwdProperties,
+ const uint32_t minPwdLength)
{
- return check_password_quality(pass);
-}
+ /* checks if the "minPwdLength" property is satisfied */
+ if (minPwdLength > password->length)
+ return SAMR_VALIDATION_STATUS_PWD_TOO_SHORT;
+ /* checks the password complexity */
+ if (((pwdProperties & DOMAIN_PASSWORD_COMPLEX) != 0)
+ && (password->data != NULL)
+ && (!check_password_quality((const char *) password->data)))
+ return SAMR_VALIDATION_STATUS_NOT_COMPLEX_ENOUGH;
+ return SAMR_VALIDATION_STATUS_SUCCESS;
+}
/*
- set the user password using plaintext, obeying any user or domain
- password restrictions
-
- note that this function doesn't actually store the result in the
- database, it just fills in the "mod" structure with ldb modify
- elements to setup the correct change when samdb_replace() is
- called. This allows the caller to combine the change with other
- changes (as is needed by some of the set user info levels)
-
- The caller should probably have a transaction wrapping this
-*/
+ * 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
+ */
NTSTATUS samdb_set_password(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
- struct ldb_dn *user_dn,
- struct ldb_dn *domain_dn,
+ struct ldb_dn *user_dn, struct ldb_dn *domain_dn,
struct ldb_message *mod,
- const char *new_pass,
- struct samr_Password *lmNewHash,
- struct samr_Password *ntNewHash,
+ const DATA_BLOB *new_password,
+ struct samr_Password *param_lmNewHash,
+ struct samr_Password *param_ntNewHash,
bool user_change,
- enum samr_RejectReason *reject_reason,
+ enum samPwdChangeReason *reject_reason,
struct samr_DomInfo1 **_dominfo)
{
- const char * const user_attrs[] = { "userAccountControl", "lmPwdHistory",
+ const char * const user_attrs[] = { "userAccountControl",
+ "lmPwdHistory",
"ntPwdHistory",
"dBCSPwd", "unicodePwd",
"objectSid",
"pwdLastSet", NULL };
- const char * const domain_attrs[] = { "pwdProperties", "pwdHistoryLength",
- "maxPwdAge", "minPwdAge",
- "minPwdLength", NULL };
+ const char * const domain_attrs[] = { "minPwdLength", "pwdProperties",
+ "pwdHistoryLength",
+ "maxPwdAge", "minPwdAge", NULL };
NTTIME pwdLastSet;
- int64_t minPwdAge;
- uint_t minPwdLength, pwdProperties, pwdHistoryLength;
- uint_t userAccountControl;
- struct samr_Password *sambaLMPwdHistory, *sambaNTPwdHistory, *lmPwdHash, *ntPwdHash;
+ 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;
if (count != 1) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
- 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);
+ 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
|UF_WORKSTATION_TRUST_ACCOUNT
|UF_SERVER_TRUST_ACCOUNT));
- if (domain_dn) {
+ if (domain_dn != NULL) {
/* pull the domain parameters */
- count = gendb_search_dn(ctx, mem_ctx, domain_dn, &res, domain_attrs);
+ 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),
}
} else {
/* work out the domain sid, and pull the domain from there */
- domain_sid = samdb_result_sid_prefix(mem_ctx, res[0], "objectSid");
+ domain_sid = samdb_result_sid_prefix(mem_ctx, res[0],
+ "objectSid");
if (domain_sid == NULL) {
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
count = gendb_search(ctx, mem_ctx, NULL, &res, domain_attrs,
- "(objectSid=%s)",
- ldap_encode_ndr_dom_sid(mem_ctx, domain_sid));
+ "(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),
}
}
- pwdProperties = samdb_result_uint(res[0], "pwdProperties", 0);
- pwdHistoryLength = samdb_result_uint(res[0], "pwdHistoryLength", 0);
- minPwdLength = samdb_result_uint(res[0], "minPwdLength", 0);
- minPwdAge = samdb_result_int64(res[0], "minPwdAge", 0);
+ 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);
+
+ if ((userAccountControl & UF_PASSWD_NOTREQD) != 0) {
+ /* see [MS-ADTS] 2.2.15 */
+ minPwdLength = 0;
+ }
- if (_dominfo) {
+ 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->min_password_length = minPwdLength;
dominfo->password_properties = pwdProperties;
dominfo->password_history_length = pwdHistoryLength;
- dominfo->max_password_age = minPwdAge;
+ dominfo->max_password_age = maxPwdAge;
dominfo->min_password_age = minPwdAge;
*_dominfo = dominfo;
}
- if (restrictions && new_pass) {
+ if ((restrictions != 0) && (new_password != 0)) {
+ char *new_pass;
- /* check the various password restrictions */
- if (restrictions && minPwdLength > strlen_m(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 = SAMR_REJECT_TOO_SHORT;
+ *reject_reason = SAM_PWD_CHANGE_PASSWORD_TOO_SHORT;
}
return NT_STATUS_PASSWORD_RESTRICTION;
}
-
- /* possibly check password complexity */
- if (restrictions && pwdProperties & DOMAIN_PASSWORD_COMPLEX &&
- !samdb_password_complexity_ok(new_pass)) {
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_COMPLEXITY;
+
+ /* 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;
}
- return NT_STATUS_PASSWORD_RESTRICTION;
- }
-
- /* compute the new nt and lm hashes */
- if (E_deshash(new_pass, local_lmNewHash.hash)) {
- lmNewHash = &local_lmNewHash;
- }
- if (!E_md4hash(new_pass, local_ntNewHash.hash)) {
- /* If we can't convert this password to UCS2, then we should not accept it */
- if (reject_reason) {
- *reject_reason = SAMR_REJECT_OTHER;
+
+ /* compute the new lm hashes (for checking history - case insenitivly!) */
+ if (E_deshash(new_pass, local_lmNewHash.hash)) {
+ lmNewHash = &local_lmNewHash;
}
- return NT_STATUS_PASSWORD_RESTRICTION;
}
- ntNewHash = &local_ntNewHash;
}
- if (user_change) {
+ if ((restrictions != 0) && user_change) {
/* are all password changes disallowed? */
- if (pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) {
+ if ((pwdProperties & DOMAIN_REFUSE_PASSWORD_CHANGE) != 0) {
if (reject_reason) {
- *reject_reason = SAMR_REJECT_OTHER;
+ *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
}
return NT_STATUS_PASSWORD_RESTRICTION;
}
-
- /* can this user change password? */
- if (userAccountControl & UF_PASSWD_CANT_CHANGE) {
+
+ /* can this user change the password? */
+ if ((userAccountControl & UF_PASSWD_CANT_CHANGE) != 0) {
if (reject_reason) {
- *reject_reason = SAMR_REJECT_OTHER;
+ *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
}
return NT_STATUS_PASSWORD_RESTRICTION;
}
-
- /* yes, this is a minus. The ages are in negative 100nsec units! */
+
+ /* 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 = SAMR_REJECT_OTHER;
+ *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 (lmNewHash && lmPwdHash && memcmp(lmNewHash->hash,
+ lmPwdHash->hash, 16) == 0) {
if (reject_reason) {
- *reject_reason = SAMR_REJECT_IN_HISTORY;
+ *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
}
return NT_STATUS_PASSWORD_RESTRICTION;
}
- if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash, ntPwdHash->hash, 16) == 0) {
+ if (ntNewHash && ntPwdHash && memcmp(ntNewHash->hash,
+ ntPwdHash->hash, 16) == 0) {
if (reject_reason) {
- *reject_reason = SAMR_REJECT_IN_HISTORY;
+ *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);
-
+ 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 (memcmp(lmNewHash->hash, sambaLMPwdHistory[i].hash,
+ 16) == 0) {
if (reject_reason) {
- *reject_reason = SAMR_REJECT_IN_HISTORY;
+ *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 (memcmp(ntNewHash->hash, sambaNTPwdHistory[i].hash,
+ 16) == 0) {
if (reject_reason) {
- *reject_reason = SAMR_REJECT_IN_HISTORY;
+ *reject_reason = SAM_PWD_CHANGE_PWD_IN_HISTORY;
}
return NT_STATUS_PASSWORD_RESTRICTION;
}
#define CHECK_RET(x) do { if (x != 0) return NT_STATUS_NO_MEMORY; } while(0)
/* the password is acceptable. Start forming the new fields */
- if (new_pass) {
- /* if we know the cleartext, then only set it.
+ 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(samdb_msg_add_string(ctx, mem_ctx, mod,
- "sambaPassword", new_pass));
+ CHECK_RET(ldb_msg_add_value(mod, "clearTextPassword", new_password, NULL));
} else {
/* We don't have the cleartext, so delete the old one
* and set what we have of the hashes */
- CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "sambaPassword"));
+ CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "clearTextPassword"));
if (lmNewHash) {
CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "dBCSPwd", lmNewHash));
} else {
CHECK_RET(samdb_msg_add_delete(ctx, mem_ctx, mod, "dBCSPwd"));
}
-
+
if (ntNewHash) {
CHECK_RET(samdb_msg_add_hash(ctx, mem_ctx, mod, "unicodePwd", ntNewHash));
} else {
}
}
+ if (reject_reason) {
+ *reject_reason = SAM_PWD_CHANGE_NO_ERROR;
+ }
return NT_STATUS_OK;
}
/*
- set the user password using plaintext, obeying any user or domain
- password restrictions
-
- This wrapper function takes a SID as input, rather than a user DN,
- and actually performs the password change
-
-*/
-NTSTATUS samdb_set_password_sid(struct ldb_context *ctx, TALLOC_CTX *mem_ctx,
+ * 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.
+ *
+ * This wrapper function for "samdb_set_password" takes a SID as input rather
+ * than a user DN.
+ *
+ * This call encapsulates a new LDB transaction for changing the password;
+ * therefore the user hasn't to start a new one.
+ *
+ * Results: NT_STATUS_OK, NT_STATUS_INTERNAL_DB_CORRUPTION,
+ * NT_STATUS_INVALID_PARAMETER, NT_STATUS_UNSUCCESSFUL,
+ * NT_STATUS_PASSWORD_RESTRICTION
+ */
+NTSTATUS samdb_set_password_sid(struct ldb_context *ldb, TALLOC_CTX *mem_ctx,
const struct dom_sid *user_sid,
- const char *new_pass,
+ const DATA_BLOB *new_password,
struct samr_Password *lmNewHash,
struct samr_Password *ntNewHash,
bool user_change,
- enum samr_RejectReason *reject_reason,
+ enum samPwdChangeReason *reject_reason,
struct samr_DomInfo1 **_dominfo)
{
NTSTATUS nt_status;
struct ldb_message *msg;
int ret;
- ret = ldb_transaction_start(ctx);
- if (ret) {
- DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ctx)));
+ ret = ldb_transaction_start(ldb);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(1, ("Failed to start transaction: %s\n", ldb_errstring(ldb)));
return NT_STATUS_TRANSACTION_ABORTED;
}
- user_dn = samdb_search_dn(ctx, mem_ctx, NULL,
+ user_dn = samdb_search_dn(ldb, mem_ctx, NULL,
"(&(objectSid=%s)(objectClass=user))",
ldap_encode_ndr_dom_sid(mem_ctx, user_sid));
if (!user_dn) {
- ldb_transaction_cancel(ctx);
+ ldb_transaction_cancel(ldb);
DEBUG(3, ("samdb_set_password_sid: SID %s not found in samdb, returning NO_SUCH_USER\n",
dom_sid_string(mem_ctx, user_sid)));
return NT_STATUS_NO_SUCH_USER;
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
- ldb_transaction_cancel(ctx);
+ ldb_transaction_cancel(ldb);
return NT_STATUS_NO_MEMORY;
}
msg->dn = ldb_dn_copy(msg, user_dn);
if (!msg->dn) {
- ldb_transaction_cancel(ctx);
+ ldb_transaction_cancel(ldb);
return NT_STATUS_NO_MEMORY;
}
- nt_status = samdb_set_password(ctx, mem_ctx,
+ nt_status = samdb_set_password(ldb, mem_ctx,
user_dn, NULL,
- msg, new_pass,
+ msg, new_password,
lmNewHash, ntNewHash,
user_change, /* This is a password set, not change */
reject_reason, _dominfo);
if (!NT_STATUS_IS_OK(nt_status)) {
- ldb_transaction_cancel(ctx);
+ ldb_transaction_cancel(ldb);
return nt_status;
}
-
+
/* modify the samdb record */
- ret = samdb_replace(ctx, mem_ctx, msg);
- if (ret != 0) {
- ldb_transaction_cancel(ctx);
+ ret = samdb_replace(ldb, mem_ctx, msg);
+ if (ret != LDB_SUCCESS) {
+ ldb_transaction_cancel(ldb);
return NT_STATUS_ACCESS_DENIED;
}
- ret = ldb_transaction_commit(ctx);
- if (ret != 0) {
+ ret = ldb_transaction_commit(ldb);
+ if (ret != LDB_SUCCESS) {
DEBUG(0,("Failed to commit transaction to change password on %s: %s\n",
ldb_dn_get_linearized(msg->dn),
- ldb_errstring(ctx)));
+ ldb_errstring(ldb)));
return NT_STATUS_TRANSACTION_ABORTED;
}
return NT_STATUS_OK;
}
-
NTSTATUS samdb_create_foreign_security_principal(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx,
struct dom_sid *sid, struct ldb_dn **ret_dn)
{
struct ldb_dn *basedn;
const char *sidstr;
int ret;
-
+
sidstr = dom_sid_string(mem_ctx, sid);
NT_STATUS_HAVE_NO_MEMORY(sidstr);
-
+
/* We might have to create a ForeignSecurityPrincipal, even if this user
* is in our own domain */
-
+
msg = ldb_msg_new(mem_ctx);
if (msg == NULL) {
return NT_STATUS_NO_MEMORY;
}
-
+
/* TODO: Hmmm. This feels wrong. How do I find the base dn to
* put the ForeignSecurityPrincipals? d_state->domain_dn does
* not work, this is wrong for the Builtin domain, there's no
* cn=For...,cn=Builtin,dc={BASEDN}. -- vl
*/
-
+
basedn = samdb_search_dn(sam_ctx, mem_ctx, NULL,
"(&(objectClass=container)(cn=ForeignSecurityPrincipals))");
-
+
if (basedn == NULL) {
DEBUG(0, ("Failed to find DN for "
"ForeignSecurityPrincipal container\n"));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
-
+
/* add core elements to the ldb_message for the alias */
msg->dn = ldb_dn_copy(mem_ctx, basedn);
if ( ! ldb_dn_add_child_fmt(msg->dn, "CN=%s", sidstr))
return NT_STATUS_NO_MEMORY;
-
+
samdb_msg_add_string(sam_ctx, mem_ctx, msg,
"objectClass",
"foreignSecurityPrincipal");
-
+
/* create the alias */
ret = ldb_add(sam_ctx, msg);
if (ret != 0) {
const char *binary_encoded;
const char **split_realm;
struct ldb_dn *dn;
-
+
if (!tmp_ctx) {
return NULL;
}
-
- split_realm = str_list_make(tmp_ctx, dns_domain, ".");
+
+ split_realm = (const char **)str_list_make(tmp_ctx, dns_domain, ".");
if (!split_realm) {
talloc_free(tmp_ctx);
return NULL;
struct ldb_result *res_domain_ref;
char *escaped_domain = ldb_binary_encode_string(mem_ctx, domain_name);
/* find the domain's DN */
- int ret_domain = ldb_search_exp_fmt(ldb, mem_ctx,
+ int ret_domain = ldb_search(ldb, mem_ctx,
&res_domain_ref,
samdb_partitions_dn(ldb, mem_ctx),
LDB_SCOPE_ONELEVEL,
if (ret_domain != 0) {
return NULL;
}
-
+
if (res_domain_ref->count == 0) {
- ret_domain = ldb_search_exp_fmt(ldb, mem_ctx,
+ ret_domain = ldb_search(ldb, mem_ctx,
&res_domain_ref,
samdb_dns_domain_to_dn(ldb, mem_ctx, domain_name),
LDB_SCOPE_BASE,
if (ret_domain != 0) {
return NULL;
}
-
+
if (res_domain_ref->count == 1) {
return res_domain_ref->msgs[0]->dn;
}
return NULL;
}
-
+
if (res_domain_ref->count > 1) {
DEBUG(0,("Found %d records matching domain [%s]\n",
ret_domain, domain_name));
return NULL;
}
-
+
return samdb_result_dn(ldb, mem_ctx, res_domain_ref->msgs[0], "nCName", NULL);
}
+
+
+/*
+ use a GUID to find a DN
+ */
+int dsdb_find_dn_by_guid(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ const char *guid_str, struct ldb_dn **dn)
+{
+ int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { NULL };
+ struct ldb_request *search_req;
+ char *expression;
+ struct ldb_search_options_control *options;
+
+ expression = talloc_asprintf(mem_ctx, "objectGUID=%s", guid_str);
+ if (!expression) {
+ DEBUG(0, (__location__ ": out of memory\n"));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ res = talloc_zero(mem_ctx, struct ldb_result);
+ if (!res) {
+ DEBUG(0, (__location__ ": out of memory\n"));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_build_search_req(&search_req, ldb, mem_ctx,
+ ldb_get_default_basedn(ldb),
+ LDB_SCOPE_SUBTREE,
+ expression, attrs,
+ NULL,
+ res, ldb_search_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* we need to cope with cross-partition links, so search for
+ the GUID over all partitions */
+ options = talloc(search_req, struct ldb_search_options_control);
+ if (options == NULL) {
+ DEBUG(0, (__location__ ": out of memory\n"));
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ options->search_options = LDB_SEARCH_OPTION_PHANTOM_ROOT;
+
+ ret = ldb_request_add_control(search_req, LDB_CONTROL_EXTENDED_DN_OID, true, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ret = ldb_request_add_control(search_req,
+ LDB_CONTROL_SEARCH_OPTIONS_OID,
+ true, options);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ret = ldb_request(ldb, search_req);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ret = ldb_wait(search_req->handle, LDB_WAIT_ALL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ /* this really should be exactly 1, but there is a bug in the
+ partitions module that can return two here with the
+ search_options control set */
+ if (res->count < 1) {
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+
+ *dn = res->msgs[0]->dn;
+
+ return LDB_SUCCESS;
+}
+
+/*
+ search for attrs on one DN, allowing for deleted objects
+ */
+int dsdb_search_dn_with_deleted(struct ldb_context *ldb,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_result **_res,
+ struct ldb_dn *basedn,
+ const char * const *attrs)
+{
+ int ret;
+ struct ldb_request *req;
+ TALLOC_CTX *tmp_ctx;
+ struct ldb_result *res;
+
+ tmp_ctx = talloc_new(mem_ctx);
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (!res) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_build_search_req(&req, ldb, tmp_ctx,
+ basedn,
+ LDB_SCOPE_BASE,
+ NULL,
+ attrs,
+ NULL,
+ res,
+ ldb_search_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ ret = ldb_request_add_control(req, LDB_CONTROL_SHOW_DELETED_OID, true, NULL);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ ret = ldb_request(ldb, req);
+ if (ret == LDB_SUCCESS) {
+ ret = ldb_wait(req->handle, LDB_WAIT_ALL);
+ }
+
+ talloc_free(req);
+ *_res = talloc_steal(mem_ctx, res);
+ return ret;
+}
+
+
+/*
+ use a DN to find a GUID
+ */
+int dsdb_find_guid_by_dn(struct ldb_context *ldb,
+ struct ldb_dn *dn, struct GUID *guid)
+{
+ int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { "objectGUID", NULL };
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+
+ ret = dsdb_search_dn_with_deleted(ldb, tmp_ctx, &res, dn, attrs);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ if (res->count < 1) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+ *guid = samdb_result_guid(res->msgs[0], "objectGUID");
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+/*
+ use a DN to find a SID
+ */
+int dsdb_find_sid_by_dn(struct ldb_context *ldb,
+ struct ldb_dn *dn, struct dom_sid *sid)
+{
+ int ret;
+ struct ldb_result *res;
+ const char *attrs[] = { "objectSID", NULL };
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ struct dom_sid *s;
+
+ ZERO_STRUCTP(sid);
+
+ ret = dsdb_search_dn_with_deleted(ldb, tmp_ctx, &res, dn, attrs);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ if (res->count < 1) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+ s = samdb_result_dom_sid(tmp_ctx, res->msgs[0], "objectSID");
+ if (s == NULL) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+ *sid = *s;
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+}
+
+
+
+/*
+ load a repsFromTo blob list for a given partition GUID
+ attr must be "repsFrom" or "repsTo"
+ */
+WERROR dsdb_loadreps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
+ const char *attr, struct repsFromToBlob **r, uint32_t *count)
+{
+ const char *attrs[] = { attr, NULL };
+ struct ldb_result *res = NULL;
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ int i;
+ struct ldb_message_element *el;
+
+ *r = NULL;
+ *count = 0;
+
+ if (ldb_search(sam_ctx, tmp_ctx, &res, dn, LDB_SCOPE_BASE, attrs, NULL) != LDB_SUCCESS ||
+ res->count < 1) {
+ DEBUG(0,("dsdb_loadreps: failed to read partition object\n"));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ el = ldb_msg_find_element(res->msgs[0], attr);
+ if (el == NULL) {
+ /* it's OK to be empty */
+ talloc_free(tmp_ctx);
+ return WERR_OK;
+ }
+
+ *count = el->num_values;
+ *r = talloc_array(mem_ctx, struct repsFromToBlob, *count);
+ if (*r == NULL) {
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ 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")),
+ &(*r)[i],
+ (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ }
+
+ talloc_free(tmp_ctx);
+
+ return WERR_OK;
+}
+
+/*
+ save the repsFromTo blob list for a given partition GUID
+ attr must be "repsFrom" or "repsTo"
+ */
+WERROR dsdb_savereps(struct ldb_context *sam_ctx, TALLOC_CTX *mem_ctx, struct ldb_dn *dn,
+ const char *attr, struct repsFromToBlob *r, uint32_t count)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(mem_ctx);
+ struct ldb_message *msg;
+ struct ldb_message_element *el;
+ int i;
+
+ msg = ldb_msg_new(tmp_ctx);
+ msg->dn = dn;
+ if (ldb_msg_add_empty(msg, attr, LDB_FLAG_MOD_REPLACE, &el) != LDB_SUCCESS) {
+ goto failed;
+ }
+
+ el->values = talloc_array(msg, struct ldb_val, count);
+ if (!el->values) {
+ goto failed;
+ }
+
+ for (i=0; i<count; i++) {
+ 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")),
+ &r[i],
+ (ndr_push_flags_fn_t)ndr_push_repsFromToBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ goto failed;
+ }
+
+ el->num_values++;
+ el->values[i] = v;
+ }
+
+ if (ldb_modify(sam_ctx, msg) != LDB_SUCCESS) {
+ DEBUG(0,("Failed to store %s - %s\n", attr, ldb_errstring(sam_ctx)));
+ goto failed;
+ }
+
+ talloc_free(tmp_ctx);
+
+ return WERR_OK;
+
+failed:
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+}
+
+
+/*
+ load the uSNHighest attribute from the @REPLCHANGED object for a
+ partition
+ */
+int dsdb_load_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn, uint64_t *uSN)
+{
+ struct ldb_request *req;
+ int ret;
+ TALLOC_CTX *tmp_ctx = talloc_new(ldb);
+ struct dsdb_control_current_partition *p_ctrl;
+ struct ldb_result *res;
+
+ res = talloc_zero(tmp_ctx, struct ldb_result);
+ if (!res) {
+ talloc_free(tmp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_build_search_req(&req, ldb, tmp_ctx,
+ ldb_dn_new(tmp_ctx, ldb, "@REPLCHANGED"),
+ LDB_SCOPE_BASE,
+ NULL, NULL,
+ NULL,
+ res, ldb_search_default_callback,
+ NULL);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ p_ctrl = talloc(req, struct dsdb_control_current_partition);
+ if (p_ctrl == NULL) {
+ talloc_free(res);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ 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);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ 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) {
+ /* it hasn't been created yet, which means
+ an implicit value of zero */
+ *uSN = 0;
+ talloc_free(tmp_ctx);
+ return LDB_SUCCESS;
+ }
+
+ if (ret != LDB_SUCCESS) {
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ if (res->count < 1) {
+ *uSN = 0;
+ } else {
+ *uSN = ldb_msg_find_attr_as_uint64(res->msgs[0], "uSNHighest", 0);
+ }
+
+ talloc_free(tmp_ctx);
+
+ return LDB_SUCCESS;
+}
+
+/*
+ save the uSNHighest attribute in the @REPLCHANGED object for a
+ partition
+ */
+int dsdb_save_partition_usn(struct ldb_context *ldb, struct ldb_dn *dn, uint64_t uSN)
+{
+ struct ldb_request *req;
+ struct ldb_message *msg;
+ struct dsdb_control_current_partition *p_ctrl;
+ int ret;
+
+ msg = ldb_msg_new(ldb);
+ if (msg == NULL) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ msg->dn = ldb_dn_new(msg, ldb, "@REPLCHANGED");
+ if (msg->dn == NULL) {
+ talloc_free(msg);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = ldb_msg_add_fmt(msg, "uSNHighest", "%llu", (unsigned long long)uSN);
+ if (ret != LDB_SUCCESS) {
+ talloc_free(msg);
+ return ret;
+ }
+ msg->elements[0].flags = LDB_FLAG_MOD_REPLACE;
+
+
+ p_ctrl = talloc(msg, struct dsdb_control_current_partition);
+ if (p_ctrl == NULL) {
+ talloc_free(msg);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ 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;
+ }
+
+ ret = ldb_request_add_control(req,
+ DSDB_CONTROL_CURRENT_PARTITION_OID,
+ false, p_ctrl);
+ 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;
+ }
+
+ talloc_free(msg);
+
+ return ret;
+}
+
+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);
+}
+
+/*
+ see if we are a RODC
+
+ TODO: This should take a sam_ctx, and lookup the right object (with
+ a cache)
+*/
+bool samdb_rodc(struct loadparm_context *lp_ctx)
+{
+ return lp_parm_bool(lp_ctx, NULL, "repl", "RODC", false);
+}
+
+
+/*
+ return NTDS options flags. See MS-ADTS 7.1.1.2.2.1.2.1.1
+
+ flags are DS_NTDS_OPTION_*
+*/
+int samdb_ntds_options(struct ldb_context *ldb, uint32_t *options)
+{
+ TALLOC_CTX *tmp_ctx;
+ const char *attrs[] = { "options", NULL };
+ int ret;
+ struct ldb_result *res;
+
+ tmp_ctx = talloc_new(ldb);
+ if (tmp_ctx == NULL) {
+ goto failed;
+ }
+
+ ret = ldb_search(ldb, tmp_ctx, &res, samdb_ntds_settings_dn(ldb), LDB_SCOPE_BASE, attrs, NULL);
+ if (ret) {
+ goto failed;
+ }
+
+ if (res->count != 1) {
+ goto failed;
+ }
+
+ *options = samdb_result_uint(res->msgs[0], "options", 0);
+
+ talloc_free(tmp_ctx);
+
+ return LDB_SUCCESS;
+
+failed:
+ DEBUG(1,("Failed to find our own NTDS Settings objectGUID in the ldb!\n"));
+ talloc_free(tmp_ctx);
+ return LDB_ERR_NO_SUCH_OBJECT;
+}
git.samba.org / sfrench / samba-autobuild / .git / blobdiff