-/*
+/*
Unix SMB/CIFS implementation.
User credentials handling (as regards on-disk files)
Copyright (C) Jelmer Vernooij 2005
Copyright (C) Tim Potter 2001
Copyright (C) Andrew Bartlett <abartlet@samba.org> 2005
-
+
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 "dbwrap/dbwrap.h"
#include "dbwrap/dbwrap_open.h"
#include "lib/util/util_tdb.h"
-
+#include "libds/common/roles.h"
/**
* Fill in credentials for the machine trust account, from the secrets database.
- *
+ *
* @param cred Credentials structure to fill in
* @retval NTSTATUS error detailing any failure
*/
-static NTSTATUS cli_credentials_set_secrets_lct(struct cli_credentials *cred,
+static NTSTATUS cli_credentials_set_secrets_lct(struct cli_credentials *cred,
struct loadparm_context *lp_ctx,
struct ldb_context *ldb,
const char *base,
- const char *filter,
+ const char *filter,
time_t secrets_tdb_last_change_time,
const char *secrets_tdb_password,
char **error_string)
{
TALLOC_CTX *mem_ctx;
-
+
int ldb_ret;
struct ldb_message *msg;
-
+
const char *machine_account;
const char *password;
const char *domain;
talloc_free(mem_ctx);
return NT_STATUS_NOT_FOUND;
}
-
+
if (lct == secrets_tdb_last_change_time && secrets_tdb_password && strcmp(password, secrets_tdb_password) != 0) {
talloc_free(mem_ctx);
return NT_STATUS_NOT_FOUND;
}
-
+
cli_credentials_set_password_last_changed_time(cred, lct);
-
+
machine_account = ldb_msg_find_attr_as_string(msg, "samAccountName", NULL);
if (!machine_account) {
machine_account = ldb_msg_find_attr_as_string(msg, "servicePrincipalName", NULL);
-
+
if (!machine_account) {
const char *ldap_bind_dn = ldb_msg_find_attr_as_string(msg, "ldapBindDn", NULL);
if (!ldap_bind_dn) {
- *error_string = talloc_asprintf(cred,
+ *error_string = talloc_asprintf(cred,
"Could not find 'samAccountName', "
"'servicePrincipalName' or "
"'ldapBindDn' in secrets record: %s",
salt_principal = ldb_msg_find_attr_as_string(msg, "saltPrincipal", NULL);
cli_credentials_set_salt_principal(cred, salt_principal);
-
+
sct = ldb_msg_find_attr_as_int(msg, "secureChannelType", 0);
- if (sct) {
+ if (sct) {
cli_credentials_set_secure_channel_type(cred, sct);
}
-
+
if (!password) {
const struct ldb_val *nt_password_hash = ldb_msg_find_ldb_val(msg, "unicodePwd");
struct samr_Password hash;
ZERO_STRUCT(hash);
if (nt_password_hash) {
- memcpy(hash.hash, nt_password_hash->data,
+ memcpy(hash.hash, nt_password_hash->data,
MIN(nt_password_hash->length, sizeof(hash.hash)));
-
+
cli_credentials_set_nt_hash(cred, &hash, CRED_SPECIFIED);
} else {
cli_credentials_set_password(cred, NULL, CRED_SPECIFIED);
cli_credentials_set_password(cred, password, CRED_SPECIFIED);
}
-
domain = ldb_msg_find_attr_as_string(msg, "flatname", NULL);
if (domain) {
cli_credentials_set_domain(cred, domain, CRED_SPECIFIED);
talloc_free(keytab);
}
talloc_free(mem_ctx);
-
+
return NT_STATUS_OK;
}
/**
* Fill in credentials for the machine trust account, from the secrets database.
- *
+ *
* @param cred Credentials structure to fill in
* @retval NTSTATUS error detailing any failure
*/
-_PUBLIC_ NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred,
+_PUBLIC_ NTSTATUS cli_credentials_set_secrets(struct cli_credentials *cred,
struct loadparm_context *lp_ctx,
struct ldb_context *ldb,
const char *base,
- const char *filter,
+ const char *filter,
char **error_string)
{
NTSTATUS status = cli_credentials_set_secrets_lct(cred, lp_ctx, ldb, base, filter, 0, NULL, error_string);
/**
* Fill in credentials for the machine trust account, from the secrets database.
- *
+ *
* @param cred Credentials structure to fill in
* @retval NTSTATUS error detailing any failure
*/
_PUBLIC_ NTSTATUS cli_credentials_set_machine_account(struct cli_credentials *cred,
struct loadparm_context *lp_ctx)
+{
+ struct db_context *db_ctx;
+ char *secrets_tdb_path;
+
+ secrets_tdb_path = lpcfg_private_db_path(cred, lp_ctx, "secrets");
+ if (secrets_tdb_path == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ db_ctx = dbwrap_local_open(cred, lp_ctx, secrets_tdb_path, 0,
+ TDB_DEFAULT, O_RDWR, 0600,
+ DBWRAP_LOCK_ORDER_1,
+ DBWRAP_FLAG_NONE);
+ TALLOC_FREE(secrets_tdb_path);
+
+ /*
+ * We do not check for errors here, we might not have a
+ * secrets.tdb at all, and so we just need to check the
+ * secrets.ldb
+ */
+ return cli_credentials_set_machine_account_db_ctx(cred, lp_ctx, db_ctx);
+}
+
+/**
+ * Fill in credentials for the machine trust account, from the
+ * secrets.ldb or passed in handle to secrets.tdb (perhaps in CTDB).
+ *
+ * This version is used in parts of the code that can link in the
+ * CTDB dbwrap backend, by passing down the already open handle.
+ *
+ * @param cred Credentials structure to fill in
+ * @param db_ctx dbwrap context for secrets.tdb
+ * @retval NTSTATUS error detailing any failure
+ */
+_PUBLIC_ NTSTATUS cli_credentials_set_machine_account_db_ctx(struct cli_credentials *cred,
+ struct loadparm_context *lp_ctx,
+ struct db_context *db_ctx)
{
NTSTATUS status;
char *filter;
- char *error_string;
+ char *error_string = NULL;
const char *domain;
bool secrets_tdb_password_more_recent;
time_t secrets_tdb_lct = 0;
char *secrets_tdb_password = NULL;
char *secrets_tdb_old_password = NULL;
+ uint32_t secrets_tdb_secure_channel_type = SEC_CHAN_NULL;
+ int server_role = lpcfg_server_role(lp_ctx);
+ int security = lpcfg_security(lp_ctx);
char *keystr;
char *keystr_upper = NULL;
- char *secrets_tdb;
- struct db_context *db_ctx;
TALLOC_CTX *tmp_ctx = talloc_named(cred, 0, "cli_credentials_set_secrets from ldb");
if (!tmp_ctx) {
return NT_STATUS_NO_MEMORY;
}
- secrets_tdb = lpcfg_private_db_path(cred, lp_ctx, "secrets");
- if (!secrets_tdb) {
- TALLOC_FREE(tmp_ctx);
- return NT_STATUS_NO_MEMORY;
- }
-
- db_ctx = dbwrap_local_open(cred, lp_ctx, secrets_tdb, 0,
- TDB_DEFAULT, O_RDWR, 0600,
- DBWRAP_LOCK_ORDER_1);
+
/* Bleh, nasty recursion issues: We are setting a machine
* account here, so we don't want the 'pending' flag around
* any more */
if (NT_STATUS_IS_OK(status)) {
secrets_tdb_password = (char *)dbuf.dptr;
}
+
keystr = talloc_asprintf(tmp_ctx, "%s/%s",
SECRETS_MACHINE_PASSWORD_PREV,
domain);
if (NT_STATUS_IS_OK(status)) {
secrets_tdb_old_password = (char *)dbuf.dptr;
}
+
+ keystr = talloc_asprintf(tmp_ctx, "%s/%s",
+ SECRETS_MACHINE_SEC_CHANNEL_TYPE,
+ domain);
+ keystr_upper = strupper_talloc(tmp_ctx, keystr);
+ status = dbwrap_fetch(db_ctx, tmp_ctx, string_tdb_data(keystr_upper),
+ &dbuf);
+ if (NT_STATUS_IS_OK(status) && dbuf.dsize == 4) {
+ secrets_tdb_secure_channel_type = IVAL(dbuf.dptr,0);
+ }
}
filter = talloc_asprintf(cred, SECRETS_PRIMARY_DOMAIN_FILTER,
}
if (secrets_tdb_password_more_recent) {
+ enum credentials_use_kerberos use_kerberos = CRED_DONT_USE_KERBEROS;
char *machine_account = talloc_asprintf(tmp_ctx, "%s$", lpcfg_netbios_name(lp_ctx));
cli_credentials_set_password(cred, secrets_tdb_password, CRED_SPECIFIED);
cli_credentials_set_old_password(cred, secrets_tdb_old_password, CRED_SPECIFIED);
cli_credentials_set_domain(cred, domain, CRED_SPECIFIED);
+ if (strequal(domain, lpcfg_workgroup(lp_ctx))) {
+ cli_credentials_set_realm(cred, lpcfg_realm(lp_ctx), CRED_SPECIFIED);
+
+ switch (server_role) {
+ case ROLE_DOMAIN_MEMBER:
+ if (security != SEC_ADS) {
+ break;
+ }
+ /* fall through */
+ case ROLE_ACTIVE_DIRECTORY_DC:
+ use_kerberos = CRED_AUTO_USE_KERBEROS;
+ break;
+ }
+ }
+ cli_credentials_set_kerberos_state(cred, use_kerberos);
cli_credentials_set_username(cred, machine_account, CRED_SPECIFIED);
+ cli_credentials_set_password_last_changed_time(cred, secrets_tdb_lct);
+ cli_credentials_set_secure_channel_type(cred, secrets_tdb_secure_channel_type);
+ status = NT_STATUS_OK;
} else if (!NT_STATUS_IS_OK(status)) {
if (db_ctx) {
- error_string = talloc_asprintf(cred,
- "Failed to fetch machine account password from "
- "secrets.ldb: %s and failed to fetch %s from %s",
- error_string, keystr_upper, secrets_tdb);
+ error_string
+ = talloc_asprintf(cred,
+ "Failed to fetch machine account password for %s from both "
+ "secrets.ldb (%s) and from %s",
+ domain,
+ error_string == NULL ? "error" : error_string,
+ dbwrap_name(db_ctx));
} else {
+ char *secrets_tdb_path;
+
+ secrets_tdb_path = lpcfg_private_db_path(tmp_ctx,
+ lp_ctx,
+ "secrets");
+ if (secrets_tdb_path == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
error_string = talloc_asprintf(cred,
"Failed to fetch machine account password from "
"secrets.ldb: %s and failed to open %s",
- error_string, secrets_tdb);
+ error_string == NULL ? "error" : error_string,
+ secrets_tdb_path);
}
- DEBUG(1, ("Could not find machine account in secrets database: %s: %s\n",
- error_string, nt_errstr(status)));
+ DEBUG(1, ("Could not find machine account in secrets database: %s: %s\n",
+ error_string == NULL ? "error" : error_string,
+ nt_errstr(status)));
/* set anonymous as the fallback, if the machine account won't work */
cli_credentials_set_anonymous(cred);
}
-
+
TALLOC_FREE(tmp_ctx);
return status;
}
/**
- * Fill in credentials for a particular prinicpal, from the secrets database.
- *
+ * Fill in credentials for a particular principal, from the secrets database.
+ *
* @param cred Credentials structure to fill in
* @retval NTSTATUS error detailing any failure
*/
{
NTSTATUS status;
char *filter;
- char *error_string;
+ char *error_string = NULL;
/* Bleh, nasty recursion issues: We are setting a machine
* account here, so we don't want the 'pending' flag around
* any more */
SECRETS_PRINCIPALS_DN, filter,
0, NULL, &error_string);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("Could not find %s principal in secrets database: %s: %s\n", serviceprincipal, nt_errstr(status), error_string));
+ DEBUG(1, ("Could not find %s principal in secrets database: %s: %s\n",
+ serviceprincipal, nt_errstr(status),
+ error_string ? error_string : "<no error>"));
}
return status;
}
/**
* Ask that when required, the credentials system will be filled with
* machine trust account, from the secrets database.
- *
+ *
* @param cred Credentials structure to fill in
- * @note This function is used to call the above function after, rather
+ * @note This function is used to call the above function after, rather
* than during, popt processing.
*
*/
git.samba.org / kai / samba-autobuild / .git / blobdiff