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samba-mirror/source3/rpc_client/cli_netlogon.c
Matthew Chapman badb7fc0d2 Fixed LsaQueryInformationPolicy level 3 to return primary domain info.
Domain SID is saved in secrets.tdb upon joining domain.

Added "Authenticated Users" and "SYSTEM" well-known SIDs (under
NT Authority).
(This used to be commit 7710b4f48d)
2000-05-29 01:23:48 +00:00

710 lines
21 KiB
C

/*
* Unix SMB/Netbios implementation.
* Version 1.9.
* RPC Pipe client / server routines
* Copyright (C) Andrew Tridgell 1992-1997,
* Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
* Copyright (C) Paul Ashton 1997.
* Copyright (C) Jeremy Allison 1998.
*
* 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
* (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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef SYSLOG
#undef SYSLOG
#endif
#include "includes.h"
extern int DEBUGLEVEL;
extern pstring global_myname;
extern fstring global_myworkgroup;
/****************************************************************************
Generate the next creds to use.
****************************************************************************/
static void gen_next_creds( struct cli_state *cli, DOM_CRED *new_clnt_cred)
{
/*
* Create the new client credentials.
*/
cli->clnt_cred.timestamp.time = time(NULL);
memcpy(new_clnt_cred, &cli->clnt_cred, sizeof(*new_clnt_cred));
/* Calculate the new credentials. */
cred_create(cli->sess_key, &(cli->clnt_cred.challenge),
new_clnt_cred->timestamp, &(new_clnt_cred->challenge));
}
#if UNUSED_CODE
/****************************************************************************
do a LSA Logon Control2
****************************************************************************/
BOOL cli_net_logon_ctrl2(struct cli_state *cli, uint32 status_level)
{
prs_struct rbuf;
prs_struct buf;
NET_Q_LOGON_CTRL2 q_l;
BOOL ok = False;
prs_init(&buf , 1024, 4, False);
prs_init(&rbuf, 0, 4, True );
/* create and send a MSRPC command with api NET_LOGON_CTRL2 */
DEBUG(4,("do_net_logon_ctrl2 from %s status level:%x\n",
global_myname, status_level));
/* store the parameters */
init_q_logon_ctrl2(&q_l, cli->srv_name_slash, status_level);
/* turn parameters into data stream */
if(!net_io_q_logon_ctrl2("", &q_l, &buf, 0)) {
DEBUG(0,("cli_net_logon_ctrl2: Error : failed to marshall NET_Q_LOGON_CTRL2 struct.\n"));
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return False;
}
/* send the data on \PIPE\ */
if (rpc_api_pipe_req(cli, NET_LOGON_CTRL2, &buf, &rbuf))
{
NET_R_LOGON_CTRL2 r_l;
/*
* Unmarshall the return buffer.
*/
ok = net_io_r_logon_ctrl2("", &r_l, &rbuf, 0);
if (ok && r_l.status != 0)
{
/* report error code */
DEBUG(0,("do_net_logon_ctrl2: Error %s\n", get_nt_error_msg(r_l.status)));
cli->nt_error = r_l.status;
ok = False;
}
}
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return ok;
}
#endif
/****************************************************************************
LSA Authenticate 2
Send the client credential, receive back a server credential.
Ensure that the server credential returned matches the session key
encrypt of the server challenge originally received. JRA.
****************************************************************************/
BOOL cli_net_auth2(struct cli_state *cli, uint16 sec_chan,
uint32 neg_flags, DOM_CHAL *srv_chal)
{
prs_struct rbuf;
prs_struct buf;
NET_Q_AUTH_2 q_a;
BOOL ok = False;
prs_init(&buf , 1024, 4, False);
prs_init(&rbuf, 0, 4, True );
/* create and send a MSRPC command with api NET_AUTH2 */
DEBUG(4,("cli_net_auth2: srv:%s acct:%s sc:%x mc: %s chal %s neg: %x\n",
cli->srv_name_slash, cli->mach_acct, sec_chan, global_myname,
credstr(cli->clnt_cred.challenge.data), neg_flags));
/* store the parameters */
init_q_auth_2(&q_a, cli->srv_name_slash, cli->mach_acct, sec_chan, global_myname,
&cli->clnt_cred.challenge, neg_flags);
/* turn parameters into data stream */
if(!net_io_q_auth_2("", &q_a, &buf, 0)) {
DEBUG(0,("cli_net_auth2: Error : failed to marshall NET_Q_AUTH_2 struct.\n"));
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return False;
}
/* send the data on \PIPE\ */
if (rpc_api_pipe_req(cli, NET_AUTH2, &buf, &rbuf))
{
NET_R_AUTH_2 r_a;
ok = net_io_r_auth_2("", &r_a, &rbuf, 0);
if (ok && r_a.status != 0)
{
/* report error code */
DEBUG(0,("cli_net_auth2: Error %s\n", get_nt_error_msg(r_a.status)));
cli->nt_error = r_a.status;
ok = False;
}
if (ok)
{
/*
* Check the returned value using the initial
* server received challenge.
*/
UTIME zerotime;
zerotime.time = 0;
if(cred_assert( &r_a.srv_chal, cli->sess_key, srv_chal, zerotime) == 0) {
/*
* Server replied with bad credential. Fail.
*/
DEBUG(0,("cli_net_auth2: server %s replied with bad credential (bad machine \
password ?).\n", cli->desthost ));
ok = False;
}
}
#if 0
/*
* Try commenting this out to see if this makes the connect
* work for a NT 3.51 PDC. JRA.
*/
if (ok && r_a.srv_flgs.neg_flags != q_a.clnt_flgs.neg_flags)
{
/* report different neg_flags */
DEBUG(0,("cli_net_auth2: error neg_flags (q,r) differ - (%x,%x)\n",
q_a.clnt_flgs.neg_flags, r_a.srv_flgs.neg_flags));
ok = False;
}
#endif
}
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return ok;
}
/****************************************************************************
LSA Request Challenge. Sends our challenge to server, then gets
server response. These are used to generate the credentials.
****************************************************************************/
BOOL cli_net_req_chal(struct cli_state *cli, DOM_CHAL *clnt_chal, DOM_CHAL *srv_chal)
{
prs_struct rbuf;
prs_struct buf;
NET_Q_REQ_CHAL q_c;
BOOL valid_chal = False;
prs_init(&buf , 1024, 4, False);
prs_init(&rbuf, 0, 4, True );
/* create and send a MSRPC command with api NET_REQCHAL */
DEBUG(4,("cli_net_req_chal: LSA Request Challenge from %s to %s: %s\n",
cli->desthost, global_myname, credstr(clnt_chal->data)));
/* store the parameters */
init_q_req_chal(&q_c, cli->srv_name_slash, global_myname, clnt_chal);
/* turn parameters into data stream */
if(!net_io_q_req_chal("", &q_c, &buf, 0)) {
DEBUG(0,("cli_net_req_chal: Error : failed to marshall NET_Q_REQ_CHAL struct.\n"));
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return False;
}
/* send the data on \PIPE\ */
if (rpc_api_pipe_req(cli, NET_REQCHAL, &buf, &rbuf))
{
NET_R_REQ_CHAL r_c;
BOOL ok;
ok = net_io_r_req_chal("", &r_c, &rbuf, 0);
if (ok && r_c.status != 0)
{
/* report error code */
DEBUG(0,("cli_net_req_chal: Error %s\n", get_nt_error_msg(r_c.status)));
cli->nt_error = r_c.status;
ok = False;
}
if (ok)
{
/* ok, at last: we're happy. return the challenge */
memcpy(srv_chal, r_c.srv_chal.data, sizeof(srv_chal->data));
valid_chal = True;
}
}
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return valid_chal;
}
/***************************************************************************
LSA Server Password Set.
****************************************************************************/
BOOL cli_net_srv_pwset(struct cli_state *cli, uint8 hashed_mach_pwd[16])
{
prs_struct rbuf;
prs_struct buf;
DOM_CRED new_clnt_cred;
NET_Q_SRV_PWSET q_s;
BOOL ok = False;
uint16 sec_chan_type = 2;
gen_next_creds( cli, &new_clnt_cred);
prs_init(&buf , 1024, 4, False);
prs_init(&rbuf, 0, 4, True );
/* create and send a MSRPC command with api NET_SRV_PWSET */
DEBUG(4,("cli_net_srv_pwset: srv:%s acct:%s sc: %d mc: %s clnt %s %x\n",
cli->srv_name_slash, cli->mach_acct, sec_chan_type, global_myname,
credstr(new_clnt_cred.challenge.data), new_clnt_cred.timestamp.time));
/* store the parameters */
init_q_srv_pwset(&q_s, cli->srv_name_slash, cli->mach_acct, sec_chan_type,
global_myname, &new_clnt_cred, (char *)hashed_mach_pwd);
/* turn parameters into data stream */
if(!net_io_q_srv_pwset("", &q_s, &buf, 0)) {
DEBUG(0,("cli_net_srv_pwset: Error : failed to marshall NET_Q_SRV_PWSET struct.\n"));
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return False;
}
/* send the data on \PIPE\ */
if (rpc_api_pipe_req(cli, NET_SRVPWSET, &buf, &rbuf))
{
NET_R_SRV_PWSET r_s;
ok = net_io_r_srv_pwset("", &r_s, &rbuf, 0);
if (ok && r_s.status != 0)
{
/* report error code */
DEBUG(0,("cli_net_srv_pwset: %s\n", get_nt_error_msg(r_s.status)));
cli->nt_error = r_s.status;
ok = False;
}
/* Update the credentials. */
if (ok && !clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &(r_s.srv_cred)))
{
/*
* Server replied with bad credential. Fail.
*/
DEBUG(0,("cli_net_srv_pwset: server %s replied with bad credential (bad machine \
password ?).\n", cli->desthost ));
ok = False;
}
}
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return ok;
}
/***************************************************************************
LSA SAM Logon - interactive or network.
****************************************************************************/
BOOL cli_net_sam_logon(struct cli_state *cli, NET_ID_INFO_CTR *ctr,
NET_USER_INFO_3 *user_info3)
{
DOM_CRED new_clnt_cred;
DOM_CRED dummy_rtn_creds;
prs_struct rbuf;
prs_struct buf;
uint16 validation_level = 3;
NET_Q_SAM_LOGON q_s;
BOOL ok = False;
gen_next_creds( cli, &new_clnt_cred);
prs_init(&buf , 1024, 4, False);
prs_init(&rbuf, 0, 4, True );
/* create and send a MSRPC command with api NET_SAMLOGON */
DEBUG(4,("cli_net_sam_logon: srv:%s mc:%s clnt %s %x ll: %d\n",
cli->srv_name_slash, global_myname,
credstr(new_clnt_cred.challenge.data), cli->clnt_cred.timestamp.time,
ctr->switch_value));
memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds));
dummy_rtn_creds.timestamp.time = time(NULL);
/* store the parameters */
q_s.validation_level = validation_level;
init_sam_info(&q_s.sam_id, cli->srv_name_slash, global_myname,
&new_clnt_cred, &dummy_rtn_creds, ctr->switch_value, ctr);
/* turn parameters into data stream */
if(!net_io_q_sam_logon("", &q_s, &buf, 0)) {
DEBUG(0,("cli_net_sam_logon: Error : failed to marshall NET_Q_SAM_LOGON struct.\n"));
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return False;
}
/* send the data on \PIPE\ */
if (rpc_api_pipe_req(cli, NET_SAMLOGON, &buf, &rbuf))
{
NET_R_SAM_LOGON r_s;
r_s.user = user_info3;
ok = net_io_r_sam_logon("", &r_s, &rbuf, 0);
if (ok && r_s.status != 0)
{
/* report error code */
DEBUG(0,("cli_net_sam_logon: %s\n", get_nt_error_msg(r_s.status)));
cli->nt_error = r_s.status;
ok = False;
}
/* Update the credentials. */
if (ok && !clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &(r_s.srv_creds)))
{
/*
* Server replied with bad credential. Fail.
*/
DEBUG(0,("cli_net_sam_logon: server %s replied with bad credential (bad machine \
password ?).\n", cli->desthost ));
ok = False;
}
if (ok && r_s.switch_value != 3)
{
/* report different switch_value */
DEBUG(0,("cli_net_sam_logon: switch_value of 3 expected %x\n",
r_s.switch_value));
ok = False;
}
}
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return ok;
}
/***************************************************************************
LSA SAM Logoff.
This currently doesnt work correctly as the domain controller
returns NT_STATUS_INVALID_INFO_CLASS - we obviously need to
send a different info level. Right now though, I'm not sure
what that needs to be (I need to see one on the wire before
I can be sure). JRA.
****************************************************************************/
BOOL cli_net_sam_logoff(struct cli_state *cli, NET_ID_INFO_CTR *ctr)
{
DOM_CRED new_clnt_cred;
DOM_CRED dummy_rtn_creds;
prs_struct rbuf;
prs_struct buf;
NET_Q_SAM_LOGOFF q_s;
BOOL ok = False;
gen_next_creds( cli, &new_clnt_cred);
prs_init(&buf , 1024, 4, False);
prs_init(&rbuf, 0, 4, True );
/* create and send a MSRPC command with api NET_SAMLOGOFF */
DEBUG(4,("cli_net_sam_logoff: srv:%s mc:%s clnt %s %x ll: %d\n",
cli->srv_name_slash, global_myname,
credstr(new_clnt_cred.challenge.data), new_clnt_cred.timestamp.time,
ctr->switch_value));
memset(&dummy_rtn_creds, '\0', sizeof(dummy_rtn_creds));
init_sam_info(&q_s.sam_id, cli->srv_name_slash, global_myname,
&new_clnt_cred, &dummy_rtn_creds, ctr->switch_value, ctr);
/* turn parameters into data stream */
if(!net_io_q_sam_logoff("", &q_s, &buf, 0)) {
DEBUG(0,("cli_net_sam_logoff: Error : failed to marshall NET_Q_SAM_LOGOFF struct.\n"));
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return False;
}
/* send the data on \PIPE\ */
if (rpc_api_pipe_req(cli, NET_SAMLOGOFF, &buf, &rbuf))
{
NET_R_SAM_LOGOFF r_s;
ok = net_io_r_sam_logoff("", &r_s, &rbuf, 0);
if (ok && r_s.status != 0)
{
/* report error code */
DEBUG(0,("cli_net_sam_logoff: %s\n", get_nt_error_msg(r_s.status)));
cli->nt_error = r_s.status;
ok = False;
}
/* Update the credentials. */
if (ok && !clnt_deal_with_creds(cli->sess_key, &(cli->clnt_cred), &(r_s.srv_creds)))
{
/*
* Server replied with bad credential. Fail.
*/
DEBUG(0,("cli_net_sam_logoff: server %s replied with bad credential (bad machine \
password ?).\n", cli->desthost ));
ok = False;
}
}
prs_mem_free(&buf);
prs_mem_free(&rbuf);
return ok;
}
/*********************************************************
Change the domain password on the PDC.
**********************************************************/
static BOOL modify_trust_password( char *domain, char *remote_machine,
unsigned char orig_trust_passwd_hash[16],
unsigned char new_trust_passwd_hash[16])
{
struct cli_state cli;
ZERO_STRUCT(cli);
if(cli_initialise(&cli) == False) {
DEBUG(0,("modify_trust_password: unable to initialize client connection.\n"));
return False;
}
if(!resolve_name( remote_machine, &cli.dest_ip, 0x20)) {
DEBUG(0,("modify_trust_password: Can't resolve address for %s\n", remote_machine));
return False;
}
if (ismyip(cli.dest_ip)) {
DEBUG(0,("modify_trust_password: Machine %s is one of our addresses. Cannot add \
to ourselves.\n", remote_machine));
return False;
}
if (!cli_connect(&cli, remote_machine, &cli.dest_ip)) {
DEBUG(0,("modify_trust_password: unable to connect to SMB server on \
machine %s. Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
return False;
}
if (!attempt_netbios_session_request(&cli, global_myname, remote_machine, &cli.dest_ip)) {
DEBUG(0,("modify_trust_password: machine %s rejected the NetBIOS \
session request. Error was %s\n", remote_machine, cli_errstr(&cli) ));
return False;
}
cli.protocol = PROTOCOL_NT1;
if (!cli_negprot(&cli)) {
DEBUG(0,("modify_trust_password: machine %s rejected the negotiate protocol. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
cli_shutdown(&cli);
return False;
}
if (cli.protocol != PROTOCOL_NT1) {
DEBUG(0,("modify_trust_password: machine %s didn't negotiate NT protocol.\n",
remote_machine));
cli_shutdown(&cli);
return False;
}
/*
* Do an anonymous session setup.
*/
if (!cli_session_setup(&cli, "", "", 0, "", 0, "")) {
DEBUG(0,("modify_trust_password: machine %s rejected the session setup. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
cli_shutdown(&cli);
return False;
}
if (!(cli.sec_mode & 1)) {
DEBUG(0,("modify_trust_password: machine %s isn't in user level security mode\n",
remote_machine));
cli_shutdown(&cli);
return False;
}
if (!cli_send_tconX(&cli, "IPC$", "IPC", "", 1)) {
DEBUG(0,("modify_trust_password: machine %s rejected the tconX on the IPC$ share. \
Error was : %s.\n", remote_machine, cli_errstr(&cli) ));
cli_shutdown(&cli);
return False;
}
/*
* Ok - we have an anonymous connection to the IPC$ share.
* Now start the NT Domain stuff :-).
*/
if(cli_lsa_get_domain_sid(&cli, remote_machine) == False) {
DEBUG(0,("modify_trust_password: unable to obtain domain sid from %s. Error was : %s.\n", remote_machine, cli_errstr(&cli)));
cli_ulogoff(&cli);
cli_shutdown(&cli);
return False;
}
if(cli_nt_session_open(&cli, PIPE_NETLOGON) == False) {
DEBUG(0,("modify_trust_password: unable to open the domain client session to \
machine %s. Error was : %s.\n", remote_machine, cli_errstr(&cli)));
cli_nt_session_close(&cli);
cli_ulogoff(&cli);
cli_shutdown(&cli);
return False;
}
if(cli_nt_setup_creds(&cli, orig_trust_passwd_hash) == False) {
DEBUG(0,("modify_trust_password: unable to setup the PDC credentials to machine \
%s. Error was : %s.\n", remote_machine, cli_errstr(&cli)));
cli_nt_session_close(&cli);
cli_ulogoff(&cli);
cli_shutdown(&cli);
return False;
}
if( cli_nt_srv_pwset( &cli,new_trust_passwd_hash ) == False) {
DEBUG(0,("modify_trust_password: unable to change password for machine %s in domain \
%s to Domain controller %s. Error was %s.\n", global_myname, domain, remote_machine,
cli_errstr(&cli)));
cli_close(&cli, cli.nt_pipe_fnum);
cli_ulogoff(&cli);
cli_shutdown(&cli);
return False;
}
cli_nt_session_close(&cli);
cli_ulogoff(&cli);
cli_shutdown(&cli);
return True;
}
/************************************************************************
Change the trust account password for a domain.
The user of this function must have locked the trust password file for
update.
************************************************************************/
BOOL change_trust_account_password( char *domain, char *remote_machine_list)
{
fstring remote_machine;
unsigned char old_trust_passwd_hash[16];
unsigned char new_trust_passwd_hash[16];
time_t lct;
BOOL res = False;
if(!get_trust_account_password(domain, old_trust_passwd_hash, &lct)) {
DEBUG(0,("change_trust_account_password: unable to read the machine \
account password for domain %s.\n", domain));
return False;
}
/*
* Create the new (random) password.
*/
generate_random_buffer( new_trust_passwd_hash, 16, True);
while(remote_machine_list &&
next_token(&remote_machine_list, remote_machine,
LIST_SEP, sizeof(remote_machine))) {
strupper(remote_machine);
if(strequal(remote_machine, "*")) {
/*
* We have been asked to dynamcially determine the IP addresses of the PDC.
*/
struct in_addr *ip_list = NULL;
int count = 0;
int i;
if(!get_dc_list(domain, &ip_list, &count))
continue;
/*
* Try and connect to the PDC/BDC list in turn as an IP
* address used as a string.
*/
for(i = 0; i < count; i++) {
fstring dc_name;
if(!lookup_pdc_name(global_myname, domain, &ip_list[i], dc_name))
continue;
if((res = modify_trust_password( domain, dc_name,
old_trust_passwd_hash, new_trust_passwd_hash)))
break;
}
if(ip_list != NULL)
free((char *)ip_list);
} else {
res = modify_trust_password( domain, remote_machine,
old_trust_passwd_hash, new_trust_passwd_hash);
}
if(res) {
DEBUG(0,("%s : change_trust_account_password: Changed password for \
domain %s.\n", timestring(False), domain));
/*
* Return the result of trying to write the new password
* back into the trust account file.
*/
res = set_trust_account_password(domain, new_trust_passwd_hash);
memset(new_trust_passwd_hash, 0, 16);
memset(old_trust_passwd_hash, 0, 16);
return res;
}
}
memset(new_trust_passwd_hash, 0, 16);
memset(old_trust_passwd_hash, 0, 16);
DEBUG(0,("%s : change_trust_account_password: Failed to change password for \
domain %s.\n", timestring(False), domain));
return False;
}