-/*
+/*
* Unix SMB/CIFS implementation.
* Routines to operate on various trust relationships
* Copyright (C) Andrew Bartlett 2001
*
* 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 2 of the License, or
+ * 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,
* 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
Caller must have the cli connected to the netlogon pipe
already.
**********************************************************/
-static NTSTATUS just_change_the_password(struct cli_state *cli, TALLOC_CTX *mem_ctx,
- unsigned char orig_trust_passwd_hash[16],
- unsigned char new_trust_passwd_hash[16])
+
+static NTSTATUS just_change_the_password(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
+ const unsigned char orig_trust_passwd_hash[16],
+ const unsigned char new_trust_passwd_hash[16],
+ uint32 sec_channel_type)
{
NTSTATUS result;
- uint32 neg_flags = 0x000001ff;
- result = cli_nt_setup_creds(cli, get_sec_chan(), orig_trust_passwd_hash, &neg_flags, 2);
-
- if (!NT_STATUS_IS_OK(result)) {
- DEBUG(1,("just_change_the_password: unable to setup creds (%s)!\n",
- nt_errstr(result)));
- return result;
+ /* Check if the netlogon pipe is open using schannel. If so we
+ already have valid creds. If not we must set them up. */
+
+ if (cli->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) {
+ uint32 neg_flags = NETLOGON_NEG_SELECT_AUTH2_FLAGS;
+
+ result = rpccli_netlogon_setup_creds(cli,
+ cli->cli->desthost, /* server name */
+ lp_workgroup(), /* domain */
+ global_myname(), /* client name */
+ global_myname(), /* machine account name */
+ orig_trust_passwd_hash,
+ sec_channel_type,
+ &neg_flags);
+
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(3,("just_change_the_password: unable to setup creds (%s)!\n",
+ nt_errstr(result)));
+ return result;
+ }
}
- result = cli_net_srv_pwset(cli, mem_ctx, global_myname(), new_trust_passwd_hash);
+ {
+ struct netr_Authenticator clnt_creds, srv_cred;
+ struct samr_Password new_password;
+
+ netlogon_creds_client_step(cli->dc, &clnt_creds);
+
+ cred_hash3(new_password.hash,
+ new_trust_passwd_hash,
+ cli->dc->sess_key, 1);
+
+ result = rpccli_netr_ServerPasswordSet(cli, mem_ctx,
+ cli->dc->remote_machine,
+ cli->dc->mach_acct,
+ sec_channel_type,
+ global_myname(),
+ &clnt_creds,
+ &srv_cred,
+ &new_password);
+
+ /* Always check returned credentials. */
+ if (!netlogon_creds_client_check(cli->dc, &srv_cred.cred)) {
+ DEBUG(0,("rpccli_netr_ServerPasswordSet: "
+ "credentials chain check failed\n"));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+ }
if (!NT_STATUS_IS_OK(result)) {
DEBUG(0,("just_change_the_password: unable to change password (%s)!\n",
Caller must have already setup the connection to the NETLOGON pipe
**********************************************************/
-NTSTATUS trust_pw_change_and_store_it(struct cli_state *cli, TALLOC_CTX *mem_ctx,
- unsigned char orig_trust_passwd_hash[16])
+NTSTATUS trust_pw_change_and_store_it(struct rpc_pipe_client *cli, TALLOC_CTX *mem_ctx,
+ const char *domain,
+ unsigned char orig_trust_passwd_hash[16],
+ uint32 sec_channel_type)
{
unsigned char new_trust_passwd_hash[16];
char *new_trust_passwd;
/* Create a random machine account password */
str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH);
- new_trust_passwd = talloc_strdup(mem_ctx, str);
+
+ if ((new_trust_passwd = talloc_strdup(mem_ctx, str)) == NULL) {
+ DEBUG(0, ("talloc_strdup failed\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
E_md4hash(new_trust_passwd, new_trust_passwd_hash);
nt_status = just_change_the_password(cli, mem_ctx, orig_trust_passwd_hash,
- new_trust_passwd_hash);
+ new_trust_passwd_hash, sec_channel_type);
if (NT_STATUS_IS_OK(nt_status)) {
DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n",
- timestring(False)));
+ current_timestring(False)));
/*
* Return the result of trying to write the new password
* back into the trust account file.
*/
- if (!secrets_store_machine_password(new_trust_passwd)) {
+ if (!secrets_store_machine_password(new_trust_passwd, domain, sec_channel_type)) {
nt_status = NT_STATUS_UNSUCCESSFUL;
}
}
already setup the connection to the NETLOGON pipe
**********************************************************/
-NTSTATUS trust_pw_find_change_and_store_it(struct cli_state *cli, TALLOC_CTX *mem_ctx,
+NTSTATUS trust_pw_find_change_and_store_it(struct rpc_pipe_client *cli,
+ TALLOC_CTX *mem_ctx,
const char *domain)
{
unsigned char old_trust_passwd_hash[16];
- char *up_domain;
-
- up_domain = talloc_strdup(mem_ctx, domain);
+ uint32 sec_channel_type = 0;
if (!secrets_fetch_trust_account_password(domain,
old_trust_passwd_hash,
- NULL)) {
+ NULL, &sec_channel_type)) {
DEBUG(0, ("could not fetch domain secrets for domain %s!\n", domain));
return NT_STATUS_UNSUCCESSFUL;
}
- return trust_pw_change_and_store_it(cli, mem_ctx, old_trust_passwd_hash);
-
+ return trust_pw_change_and_store_it(cli, mem_ctx, domain,
+ old_trust_passwd_hash,
+ sec_channel_type);
}
+/*********************************************************************
+ Enumerate the list of trusted domains from a DC
+*********************************************************************/
-/**
- * Verify whether or not given domain is trusted.
- *
- * @param domain_name name of the domain to be verified
- * @return true if domain is one of the trusted once or
- * false if otherwise
- **/
-
-BOOL is_trusted_domain(const char* dom_name)
+bool enumerate_domain_trusts( TALLOC_CTX *mem_ctx, const char *domain,
+ char ***domain_names, uint32 *num_domains,
+ DOM_SID **sids )
{
- int enum_ctx = 0;
- const int trustdom_size = 10;
- int num_domains, i;
- TRUSTDOM **domains;
- NTSTATUS result;
- fstring trustdom_name;
- DOM_SID trustdom_sid;
- TALLOC_CTX *mem_ctx;
-
- /*
- * Query the secrets db as an ultimate source of information
- * about trusted domain names. This is PDC or BDC case.
- */
- mem_ctx = talloc_init("is_trusted_domain");
-
- do {
- result = secrets_get_trusted_domains(mem_ctx, &enum_ctx, trustdom_size,
- &num_domains, &domains);
- /* compare each returned entry against incoming connection's domain */
- for (i = 0; i < num_domains; i++) {
- pull_ucs2_fstring(trustdom_name, domains[i]->name);
- if (strequal(trustdom_name, dom_name)) {
- talloc_destroy(mem_ctx);
- return True;
- }
- }
- } while (NT_STATUS_EQUAL(result, STATUS_MORE_ENTRIES));
-
- /*
- * Query the trustdom_cache updated periodically. The only
- * way for domain member server.
- */
- if (trustdom_cache_enable() &&
- trustdom_cache_fetch(dom_name, &trustdom_sid)) {
- trustdom_cache_shutdown();
- return True;
+ POLICY_HND pol;
+ NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
+ fstring dc_name;
+ struct sockaddr_storage dc_ss;
+ uint32 enum_ctx = 0;
+ struct cli_state *cli = NULL;
+ struct rpc_pipe_client *lsa_pipe;
+ bool retry;
+ struct lsa_DomainList dom_list;
+ int i;
+
+ *domain_names = NULL;
+ *num_domains = 0;
+ *sids = NULL;
+
+ /* lookup a DC first */
+
+ if ( !get_dc_name(domain, NULL, dc_name, &dc_ss) ) {
+ DEBUG(3,("enumerate_domain_trusts: can't locate a DC for domain %s\n",
+ domain));
+ return False;
}
- /*
- * if nothing's been found, then give up here, although
- * the last resort might be to query the PDC.
- */
- return False;
-}
+ /* setup the anonymous connection */
+
+ result = cli_full_connection( &cli, global_myname(), dc_name, &dc_ss, 0, "IPC$", "IPC",
+ "", "", "", 0, Undefined, &retry);
+ if ( !NT_STATUS_IS_OK(result) )
+ goto done;
+ /* open the LSARPC_PIPE */
+
+ lsa_pipe = cli_rpc_pipe_open_noauth( cli, PI_LSARPC, &result );
+ if ( !lsa_pipe) {
+ goto done;
+ }
+
+ /* get a handle */
+
+ result = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, True,
+ LSA_POLICY_VIEW_LOCAL_INFORMATION, &pol);
+ if ( !NT_STATUS_IS_OK(result) )
+ goto done;
+
+ /* Lookup list of trusted domains */
+
+ result = rpccli_lsa_EnumTrustDom(lsa_pipe, mem_ctx,
+ &pol,
+ &enum_ctx,
+ &dom_list,
+ (uint32_t)-1);
+ if ( !NT_STATUS_IS_OK(result) )
+ goto done;
+
+ *num_domains = dom_list.count;
+
+ *domain_names = TALLOC_ZERO_ARRAY(mem_ctx, char *, *num_domains);
+ if (!*domain_names) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ *sids = TALLOC_ZERO_ARRAY(mem_ctx, DOM_SID, *num_domains);
+ if (!*sids) {
+ result = NT_STATUS_NO_MEMORY;
+ goto done;
+ }
+
+ for (i=0; i< *num_domains; i++) {
+ (*domain_names)[i] = CONST_DISCARD(char *, dom_list.domains[i].name.string);
+ (*sids)[i] = *dom_list.domains[i].sid;
+ }
+
+done:
+ /* cleanup */
+ if (cli) {
+ DEBUG(10,("enumerate_domain_trusts: shutting down connection...\n"));
+ cli_shutdown( cli );
+ }
+
+ return NT_STATUS_IS_OK(result);
+}