/* * Unix SMB/CIFS implementation. * Routines to operate on various trust relationships * Copyright (C) Andrew Bartlett 2001 * Copyright (C) Rafal Szczesniak 2003 * * 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" /********************************************************* Change the domain password on the PDC. Just changes the password betwen the two values specified. Caller must have the cli connected to the netlogon pipe already. **********************************************************/ 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; /* 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_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 = rpccli_net_srv_pwset(cli, mem_ctx, global_myname(), new_trust_passwd_hash); if (!NT_STATUS_IS_OK(result)) { DEBUG(0,("just_change_the_password: unable to change password (%s)!\n", nt_errstr(result))); } return result; } /********************************************************* Change the domain password on the PDC. Store the password ourselves, but use the supplied password Caller must have already setup the connection to the NETLOGON pipe **********************************************************/ 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; char *str; NTSTATUS nt_status; /* Create a random machine account password */ str = generate_random_str(DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH); 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, sec_channel_type); if (NT_STATUS_IS_OK(nt_status)) { DEBUG(3,("%s : trust_pw_change_and_store_it: Changed password.\n", 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, domain, sec_channel_type)) { nt_status = NT_STATUS_UNSUCCESSFUL; } } return nt_status; } /********************************************************* Change the domain password on the PDC. Do most of the legwork ourselfs. Caller must have already setup the connection to the NETLOGON pipe **********************************************************/ 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]; uint32 sec_channel_type = 0; if (!secrets_fetch_trust_account_password(domain, old_trust_passwd_hash, 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, domain, old_trust_passwd_hash, sec_channel_type); } /********************************************************************* Enumerate the list of trusted domains from a DC *********************************************************************/ BOOL enumerate_domain_trusts( TALLOC_CTX *mem_ctx, const char *domain, char ***domain_names, uint32 *num_domains, DOM_SID **sids ) { POLICY_HND pol; NTSTATUS result = NT_STATUS_UNSUCCESSFUL; fstring dc_name; struct in_addr dc_ip; uint32 enum_ctx = 0; struct cli_state *cli = NULL; struct rpc_pipe_client *lsa_pipe; BOOL retry; *domain_names = NULL; *num_domains = 0; *sids = NULL; /* lookup a DC first */ if ( !get_dc_name(domain, NULL, dc_name, &dc_ip) ) { DEBUG(3,("enumerate_domain_trusts: can't locate a DC for domain %s\n", domain)); return False; } /* setup the anonymous connection */ result = cli_full_connection( &cli, global_myname(), dc_name, &dc_ip, 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, POLICY_VIEW_LOCAL_INFORMATION, &pol); if ( !NT_STATUS_IS_OK(result) ) goto done; /* Lookup list of trusted domains */ result = rpccli_lsa_enum_trust_dom(lsa_pipe, mem_ctx, &pol, &enum_ctx, num_domains, domain_names, sids); if ( !NT_STATUS_IS_OK(result) ) goto done; done: /* cleanup */ if (cli) { DEBUG(10,("enumerate_domain_trusts: shutting down connection...\n")); cli_shutdown( cli ); } return NT_STATUS_IS_OK(result); }