--- /dev/null
+/*
+ * Unix SMB/CIFS implementation.
+ * 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 1998-2001.
+ * 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
+ * (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.
+ */
+
+/* This is the implementation of the netlogon pipe. */
+
+#include "includes.h"
+
+extern userdom_struct current_user_info;
+
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_RPC_SRV
+
+/*************************************************************************
+ init_net_r_req_chal:
+ *************************************************************************/
+
+static void init_net_r_req_chal(NET_R_REQ_CHAL *r_c,
+ DOM_CHAL *srv_chal, NTSTATUS status)
+{
+ DEBUG(6,("init_net_r_req_chal: %d\n", __LINE__));
+ memcpy(r_c->srv_chal.data, srv_chal->data, sizeof(srv_chal->data));
+ r_c->status = status;
+}
+
+/*************************************************************************
+ error messages cropping up when using nltest.exe...
+ *************************************************************************/
+
+#define ERROR_NO_SUCH_DOMAIN 0x54b
+#define ERROR_NO_LOGON_SERVERS 0x51f
+#define NO_ERROR 0x0
+
+/*************************************************************************
+ net_reply_logon_ctrl:
+ *************************************************************************/
+
+NTSTATUS _net_logon_ctrl(pipes_struct *p, NET_Q_LOGON_CTRL *q_u,
+ NET_R_LOGON_CTRL *r_u)
+{
+ uint32 flags = 0x0;
+ uint32 pdc_connection_status = 0x00; /* Maybe a win32 error code? */
+
+ /* Setup the Logon Control response */
+
+ init_net_r_logon_ctrl(r_u, q_u->query_level, flags,
+ pdc_connection_status);
+
+ return r_u->status;
+}
+
+/****************************************************************************
+Send a message to smbd to do a sam synchronisation
+**************************************************************************/
+
+static void send_sync_message(void)
+{
+ TDB_CONTEXT *tdb;
+
+ tdb = tdb_open_log(lock_path("connections.tdb"), 0,
+ TDB_DEFAULT, O_RDONLY, 0);
+
+ if (!tdb) {
+ DEBUG(3, ("send_sync_message(): failed to open connections "
+ "database\n"));
+ return;
+ }
+
+ DEBUG(3, ("sending sam synchronisation message\n"));
+
+ message_send_all(tdb, MSG_SMB_SAM_SYNC, NULL, 0, False, NULL);
+
+ tdb_close(tdb);
+}
+
+/*************************************************************************
+ net_reply_logon_ctrl2:
+ *************************************************************************/
+
+NTSTATUS _net_logon_ctrl2(pipes_struct *p, NET_Q_LOGON_CTRL2 *q_u, NET_R_LOGON_CTRL2 *r_u)
+{
+ uint32 flags = 0x0;
+ uint32 pdc_connection_status = 0x0;
+ uint32 logon_attempts = 0x0;
+ uint32 tc_status;
+ fstring servername, domain, dc_name, dc_name2;
+ struct in_addr dc_ip;
+
+ /* this should be \\global_myname() */
+ unistr2_to_ascii(servername, &q_u->uni_server_name, sizeof(servername));
+
+ r_u->status = NT_STATUS_OK;
+
+ tc_status = ERROR_NO_SUCH_DOMAIN;
+ fstrcpy( dc_name, "" );
+
+ switch ( q_u->function_code ) {
+ case NETLOGON_CONTROL_TC_QUERY:
+ unistr2_to_ascii(domain, &q_u->info.info6.domain, sizeof(domain));
+
+ if ( !is_trusted_domain( domain ) )
+ break;
+
+ if ( !get_dc_name( domain, NULL, dc_name2, &dc_ip ) ) {
+ tc_status = ERROR_NO_LOGON_SERVERS;
+ break;
+ }
+
+ fstr_sprintf( dc_name, "\\\\%s", dc_name2 );
+
+ tc_status = NO_ERROR;
+
+ break;
+
+ case NETLOGON_CONTROL_REDISCOVER:
+ unistr2_to_ascii(domain, &q_u->info.info6.domain, sizeof(domain));
+
+ if ( !is_trusted_domain( domain ) )
+ break;
+
+ if ( !get_dc_name( domain, NULL, dc_name2, &dc_ip ) ) {
+ tc_status = ERROR_NO_LOGON_SERVERS;
+ break;
+ }
+
+ fstr_sprintf( dc_name, "\\\\%s", dc_name2 );
+
+ tc_status = NO_ERROR;
+
+ break;
+
+ default:
+ /* no idea what this should be */
+ DEBUG(0,("_net_logon_ctrl2: unimplemented function level [%d]\n",
+ q_u->function_code));
+ }
+
+ /* prepare the response */
+
+ init_net_r_logon_ctrl2( r_u, q_u->query_level, flags,
+ pdc_connection_status, logon_attempts, tc_status, dc_name );
+
+ if (lp_server_role() == ROLE_DOMAIN_BDC)
+ send_sync_message();
+
+ return r_u->status;
+}
+
+/*************************************************************************
+ net_reply_trust_dom_list:
+ *************************************************************************/
+
+NTSTATUS _net_trust_dom_list(pipes_struct *p, NET_Q_TRUST_DOM_LIST *q_u, NET_R_TRUST_DOM_LIST *r_u)
+{
+ const char *trusted_domain = "test_domain";
+ uint32 num_trust_domains = 1;
+
+ DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
+
+ /* set up the Trusted Domain List response */
+ init_r_trust_dom(r_u, num_trust_domains, trusted_domain);
+
+ DEBUG(6,("_net_trust_dom_list: %d\n", __LINE__));
+
+ return r_u->status;
+}
+
+/***********************************************************************************
+ init_net_r_srv_pwset:
+ ***********************************************************************************/
+
+static void init_net_r_srv_pwset(NET_R_SRV_PWSET *r_s,
+ DOM_CRED *srv_cred, NTSTATUS status)
+{
+ DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
+
+ memcpy(&r_s->srv_cred, srv_cred, sizeof(r_s->srv_cred));
+ r_s->status = status;
+
+ DEBUG(5,("init_net_r_srv_pwset: %d\n", __LINE__));
+}
+
+/******************************************************************
+ gets a machine password entry. checks access rights of the host.
+ ******************************************************************/
+
+static BOOL get_md4pw(char *md4pw, char *mach_acct)
+{
+ SAM_ACCOUNT *sampass = NULL;
+ const uint8 *pass;
+ BOOL ret;
+ uint32 acct_ctrl;
+
+#if 0
+ /*
+ * Currently this code is redundent as we already have a filter
+ * by hostname list. What this code really needs to do is to
+ * get a hosts allowed/hosts denied list from the SAM database
+ * on a per user basis, and make the access decision there.
+ * I will leave this code here for now as a reminder to implement
+ * this at a later date. JRA.
+ */
+
+ if (!allow_access(lp_domain_hostsdeny(), lp_domain_hostsallow(),
+ client_name(), client_addr()))
+ {
+ DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct));
+ return False;
+ }
+#endif /* 0 */
+
+ if(!NT_STATUS_IS_OK(pdb_init_sam(&sampass)))
+ return False;
+
+ /* JRA. This is ok as it is only used for generating the challenge. */
+ become_root();
+ ret=pdb_getsampwnam(sampass, mach_acct);
+ unbecome_root();
+
+ if (ret==False) {
+ DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
+ pdb_free_sam(&sampass);
+ return False;
+ }
+
+ acct_ctrl = pdb_get_acct_ctrl(sampass);
+ if (!(acct_ctrl & ACB_DISABLED) &&
+ ((acct_ctrl & ACB_DOMTRUST) ||
+ (acct_ctrl & ACB_WSTRUST) ||
+ (acct_ctrl & ACB_SVRTRUST)) &&
+ ((pass=pdb_get_nt_passwd(sampass)) != NULL)) {
+ memcpy(md4pw, pass, 16);
+ dump_data(5, md4pw, 16);
+ pdb_free_sam(&sampass);
+ return True;
+ }
+
+ DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct));
+ pdb_free_sam(&sampass);
+ return False;
+
+}
+
+/*************************************************************************
+ _net_req_chal
+ *************************************************************************/
+
+NTSTATUS _net_req_chal(pipes_struct *p, NET_Q_REQ_CHAL *q_u, NET_R_REQ_CHAL *r_u)
+{
+ if (!p->dc) {
+ p->dc = TALLOC_ZERO_P(p->pipe_state_mem_ctx, struct dcinfo);
+ if (!p->dc) {
+ return NT_STATUS_NO_MEMORY;
+ }
+ } else {
+ DEBUG(10,("_net_req_chal: new challenge requested. Clearing old state.\n"));
+ ZERO_STRUCTP(p->dc);
+ }
+
+ rpcstr_pull(p->dc->remote_machine,
+ q_u->uni_logon_clnt.buffer,
+ sizeof(fstring),q_u->uni_logon_clnt.uni_str_len*2,0);
+
+ /* Save the client challenge to the server. */
+ memcpy(p->dc->clnt_chal.data, q_u->clnt_chal.data, sizeof(q_u->clnt_chal.data));
+
+ /* Create a server challenge for the client */
+ /* Set this to a random value. */
+ generate_random_buffer(p->dc->srv_chal.data, 8);
+
+ /* set up the LSA REQUEST CHALLENGE response */
+ init_net_r_req_chal(r_u, &p->dc->srv_chal, NT_STATUS_OK);
+
+ p->dc->challenge_sent = True;
+
+ return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ init_net_r_auth:
+ *************************************************************************/
+
+static void init_net_r_auth(NET_R_AUTH *r_a, DOM_CHAL *resp_cred, NTSTATUS status)
+{
+ memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
+ r_a->status = status;
+}
+
+/*************************************************************************
+ _net_auth. Create the initial credentials.
+ *************************************************************************/
+
+NTSTATUS _net_auth(pipes_struct *p, NET_Q_AUTH *q_u, NET_R_AUTH *r_u)
+{
+ fstring mach_acct;
+ fstring remote_machine;
+ DOM_CHAL srv_chal_out;
+
+ if (!p->dc || !p->dc->challenge_sent) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
+ q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
+ rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
+ q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
+
+ if (!get_md4pw((char *)p->dc->mach_pw, mach_acct)) {
+ DEBUG(0,("_net_auth: creds_server_check failed. Failed to "
+ "get pasword for machine account %s "
+ "from client %s\n",
+ mach_acct, remote_machine ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* From the client / server challenges and md4 password, generate sess key */
+ creds_server_init(p->dc,
+ &p->dc->clnt_chal, /* Stored client chal. */
+ &p->dc->srv_chal, /* Stored server chal. */
+ (const char *)p->dc->mach_pw,
+ &srv_chal_out);
+
+ /* Check client credentials are valid. */
+ if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
+ DEBUG(0,("_net_auth: creds_server_check failed. Rejecting auth "
+ "request from client %s machine account %s\n",
+ remote_machine, mach_acct ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ fstrcpy(p->dc->mach_acct, mach_acct);
+ fstrcpy(p->dc->remote_machine, remote_machine);
+ p->dc->authenticated = True;
+
+ /* set up the LSA AUTH response */
+ /* Return the server credentials. */
+ init_net_r_auth(r_u, &srv_chal_out, NT_STATUS_OK);
+
+ return r_u->status;
+}
+
+/*************************************************************************
+ init_net_r_auth_2:
+ *************************************************************************/
+
+static void init_net_r_auth_2(NET_R_AUTH_2 *r_a,
+ DOM_CHAL *resp_cred, NEG_FLAGS *flgs, NTSTATUS status)
+{
+ memcpy(r_a->srv_chal.data, resp_cred->data, sizeof(resp_cred->data));
+ memcpy(&r_a->srv_flgs, flgs, sizeof(r_a->srv_flgs));
+ r_a->status = status;
+}
+
+/*************************************************************************
+ _net_auth_2
+ *************************************************************************/
+
+NTSTATUS _net_auth_2(pipes_struct *p, NET_Q_AUTH_2 *q_u, NET_R_AUTH_2 *r_u)
+{
+ NEG_FLAGS srv_flgs;
+ fstring mach_acct;
+ fstring remote_machine;
+ DOM_CHAL srv_chal_out;
+
+ rpcstr_pull(mach_acct, q_u->clnt_id.uni_acct_name.buffer,sizeof(fstring),
+ q_u->clnt_id.uni_acct_name.uni_str_len*2,0);
+ rpcstr_pull(remote_machine, q_u->clnt_id.uni_comp_name.buffer,sizeof(fstring),
+ q_u->clnt_id.uni_comp_name.uni_str_len*2,0);
+
+ if (!p->dc || !p->dc->challenge_sent) {
+ DEBUG(0,("_net_auth2: no challenge sent to client %s\n",
+ remote_machine ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ if ( (lp_server_schannel() == True) &&
+ ((q_u->clnt_flgs.neg_flags & NETLOGON_NEG_SCHANNEL) == 0) ) {
+
+ /* schannel must be used, but client did not offer it. */
+ DEBUG(0,("_net_auth2: schannel required but client failed "
+ "to offer it. Client was %s\n",
+ mach_acct ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ if (!get_md4pw((char *)p->dc->mach_pw, mach_acct)) {
+ DEBUG(0,("_net_auth2: failed to get machine password for "
+ "account %s\n",
+ mach_acct ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* From the client / server challenges and md4 password, generate sess key */
+ creds_server_init(p->dc,
+ &p->dc->clnt_chal, /* Stored client chal. */
+ &p->dc->srv_chal, /* Stored server chal. */
+ (const char *)p->dc->mach_pw,
+ &srv_chal_out);
+
+ /* Check client credentials are valid. */
+ if (!creds_server_check(p->dc, &q_u->clnt_chal)) {
+ DEBUG(0,("_net_auth2: creds_server_check failed. Rejecting auth "
+ "request from client %s machine account %s\n",
+ remote_machine, mach_acct ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ srv_flgs.neg_flags = 0x000001ff;
+
+ if (lp_server_schannel() != False) {
+ srv_flgs.neg_flags |= NETLOGON_NEG_SCHANNEL;
+ }
+
+ /* set up the LSA AUTH 2 response */
+ init_net_r_auth_2(r_u, &srv_chal_out, &srv_flgs, NT_STATUS_OK);
+
+ fstrcpy(p->dc->mach_acct, mach_acct);
+ fstrcpy(p->dc->remote_machine, remote_machine);
+ fstrcpy(p->dc->domain, lp_workgroup() );
+
+ p->dc->authenticated = True;
+
+ /* Store off the state so we can continue after client disconnect. */
+ become_root();
+ secrets_store_schannel_session_info(p->mem_ctx, p->dc);
+ unbecome_root();
+
+ return r_u->status;
+}
+
+/*************************************************************************
+ _net_srv_pwset
+ *************************************************************************/
+
+NTSTATUS _net_srv_pwset(pipes_struct *p, NET_Q_SRV_PWSET *q_u, NET_R_SRV_PWSET *r_u)
+{
+ NTSTATUS status = NT_STATUS_ACCESS_DENIED;
+ fstring workstation;
+ SAM_ACCOUNT *sampass=NULL;
+ BOOL ret = False;
+ unsigned char pwd[16];
+ int i;
+ uint32 acct_ctrl;
+ DOM_CRED cred_out;
+ const uchar *old_pw;
+
+ if (!p->dc || !p->dc->authenticated) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ /* Step the creds chain forward. */
+ if (!creds_server_step(p->dc, &q_u->clnt_id.cred, &cred_out)) {
+ DEBUG(2,("_net_srv_pwset: creds_server_step failed. Rejecting auth "
+ "request from client %s machine account %s\n",
+ p->dc->remote_machine, p->dc->mach_acct ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ DEBUG(5,("_net_srv_pwset: %d\n", __LINE__));
+
+ rpcstr_pull(workstation,q_u->clnt_id.login.uni_comp_name.buffer,
+ sizeof(workstation),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0);
+
+ DEBUG(3,("_net_srv_pwset: Server Password Set by Wksta:[%s] on account [%s]\n",
+ workstation, p->dc->mach_acct));
+
+ pdb_init_sam(&sampass);
+
+ become_root();
+ ret=pdb_getsampwnam(sampass, p->dc->mach_acct);
+ unbecome_root();
+
+ /* Ensure the account exists and is a machine account. */
+
+ acct_ctrl = pdb_get_acct_ctrl(sampass);
+
+ if (!(ret
+ && (acct_ctrl & ACB_WSTRUST ||
+ acct_ctrl & ACB_SVRTRUST ||
+ acct_ctrl & ACB_DOMTRUST))) {
+ pdb_free_sam(&sampass);
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
+ if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) {
+ pdb_free_sam(&sampass);
+ return NT_STATUS_ACCOUNT_DISABLED;
+ }
+
+ /* Woah - what does this to to the credential chain ? JRA */
+ cred_hash3( pwd, q_u->pwd, p->dc->sess_key, 0);
+
+ DEBUG(100,("Server password set : new given value was :\n"));
+ for(i = 0; i < sizeof(pwd); i++)
+ DEBUG(100,("%02X ", pwd[i]));
+ DEBUG(100,("\n"));
+
+ old_pw = pdb_get_nt_passwd(sampass);
+
+ if (old_pw && memcmp(pwd, old_pw, 16) == 0) {
+ /* Avoid backend modificiations and other fun if the
+ client changed the password to the *same thing* */
+
+ ret = True;
+ } else {
+
+ /* LM password should be NULL for machines */
+ if (!pdb_set_lanman_passwd(sampass, NULL, PDB_CHANGED)) {
+ pdb_free_sam(&sampass);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) {
+ pdb_free_sam(&sampass);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (!pdb_set_pass_changed_now(sampass)) {
+ pdb_free_sam(&sampass);
+ /* Not quite sure what this one qualifies as, but this will do */
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ become_root();
+ ret = pdb_update_sam_account (sampass);
+ unbecome_root();
+ }
+ if (ret) {
+ status = NT_STATUS_OK;
+ }
+
+ /* set up the LSA Server Password Set response */
+ init_net_r_srv_pwset(r_u, &cred_out, status);
+
+ pdb_free_sam(&sampass);
+ return r_u->status;
+}
+
+/*************************************************************************
+ _net_sam_logoff:
+ *************************************************************************/
+
+NTSTATUS _net_sam_logoff(pipes_struct *p, NET_Q_SAM_LOGOFF *q_u, NET_R_SAM_LOGOFF *r_u)
+{
+ if (!get_valid_user_struct(p->vuid))
+ return NT_STATUS_NO_SUCH_USER;
+
+ if (!p->dc || !p->dc->authenticated) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ r_u->buffer_creds = 1; /* yes, we have valid server credentials */
+
+ /* checks and updates credentials. creates reply credentials */
+ if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
+ DEBUG(2,("_net_sam_logoff: creds_server_step failed. Rejecting auth "
+ "request from client %s machine account %s\n",
+ p->dc->remote_machine, p->dc->mach_acct ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ r_u->status = NT_STATUS_OK;
+ return r_u->status;
+}
+
+
+/*******************************************************************
+ gets a domain user's groups from their already-calculated NT_USER_TOKEN
+ ********************************************************************/
+static NTSTATUS nt_token_to_group_list(TALLOC_CTX *mem_ctx, const DOM_SID *domain_sid,
+ const NT_USER_TOKEN *nt_token,
+ int *numgroups, DOM_GID **pgids)
+{
+ DOM_GID *gids;
+ int i;
+
+ gids = TALLOC_ARRAY(mem_ctx, DOM_GID, nt_token->num_sids);
+
+ if (!gids) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ *numgroups=0;
+
+ for (i=PRIMARY_GROUP_SID_INDEX; i < nt_token->num_sids; i++) {
+ if (sid_compare_domain(domain_sid, &nt_token->user_sids[i])==0) {
+ sid_peek_rid(&nt_token->user_sids[i], &(gids[*numgroups].g_rid));
+ gids[*numgroups].attr= (SE_GROUP_MANDATORY|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_ENABLED);
+ (*numgroups)++;
+ }
+ }
+ *pgids = gids;
+ return NT_STATUS_OK;
+}
+
+/*************************************************************************
+ _net_sam_logon
+ *************************************************************************/
+
+NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u)
+{
+ NTSTATUS status = NT_STATUS_OK;
+ NET_USER_INFO_3 *usr_info = NULL;
+ NET_ID_INFO_CTR *ctr = q_u->sam_id.ctr;
+ UNISTR2 *uni_samlogon_user = NULL;
+ UNISTR2 *uni_samlogon_domain = NULL;
+ UNISTR2 *uni_samlogon_workstation = NULL;
+ fstring nt_username, nt_domain, nt_workstation;
+ auth_usersupplied_info *user_info = NULL;
+ auth_serversupplied_info *server_info = NULL;
+ SAM_ACCOUNT *sampw;
+ struct auth_context *auth_context = NULL;
+
+ usr_info = TALLOC_P(p->mem_ctx, NET_USER_INFO_3);
+ if (!usr_info)
+ return NT_STATUS_NO_MEMORY;
+
+ ZERO_STRUCTP(usr_info);
+
+ /* store the user information, if there is any. */
+ r_u->user = usr_info;
+ r_u->switch_value = 0; /* indicates no info */
+ r_u->auth_resp = 1; /* authoritative response */
+ r_u->switch_value = 3; /* indicates type of validation user info */
+ r_u->buffer_creds = 1; /* Ensure we always return server creds. */
+
+ if (!get_valid_user_struct(p->vuid))
+ return NT_STATUS_NO_SUCH_USER;
+
+ if (!p->dc || !p->dc->authenticated) {
+ return NT_STATUS_INVALID_HANDLE;
+ }
+
+ if ( (lp_server_schannel() == True) && (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) ) {
+ /* 'server schannel = yes' should enforce use of
+ schannel, the client did offer it in auth2, but
+ obviously did not use it. */
+ DEBUG(0,("_net_sam_logoff: client %s not using schannel for netlogon\n",
+ p->dc->remote_machine ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* checks and updates credentials. creates reply credentials */
+ if (!creds_server_step(p->dc, &q_u->sam_id.client.cred, &r_u->srv_creds)) {
+ DEBUG(2,("_net_sam_logon: creds_server_step failed. Rejecting auth "
+ "request from client %s machine account %s\n",
+ p->dc->remote_machine, p->dc->mach_acct ));
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* find the username */
+
+ switch (q_u->sam_id.logon_level) {
+ case INTERACTIVE_LOGON_TYPE:
+ uni_samlogon_user = &ctr->auth.id1.uni_user_name;
+ uni_samlogon_domain = &ctr->auth.id1.uni_domain_name;
+
+ uni_samlogon_workstation = &ctr->auth.id1.uni_wksta_name;
+
+ DEBUG(3,("SAM Logon (Interactive). Domain:[%s]. ", lp_workgroup()));
+ break;
+ case NET_LOGON_TYPE:
+ uni_samlogon_user = &ctr->auth.id2.uni_user_name;
+ uni_samlogon_domain = &ctr->auth.id2.uni_domain_name;
+ uni_samlogon_workstation = &ctr->auth.id2.uni_wksta_name;
+
+ DEBUG(3,("SAM Logon (Network). Domain:[%s]. ", lp_workgroup()));
+ break;
+ default:
+ DEBUG(2,("SAM Logon: unsupported switch value\n"));
+ return NT_STATUS_INVALID_INFO_CLASS;
+ } /* end switch */
+
+ rpcstr_pull(nt_username,uni_samlogon_user->buffer,sizeof(nt_username),uni_samlogon_user->uni_str_len*2,0);
+ rpcstr_pull(nt_domain,uni_samlogon_domain->buffer,sizeof(nt_domain),uni_samlogon_domain->uni_str_len*2,0);
+ rpcstr_pull(nt_workstation,uni_samlogon_workstation->buffer,sizeof(nt_workstation),uni_samlogon_workstation->uni_str_len*2,0);
+
+ DEBUG(3,("User:[%s@%s] Requested Domain:[%s]\n", nt_username,
+ nt_workstation, nt_domain));
+
+ fstrcpy(current_user_info.smb_name, nt_username);
+ sub_set_smb_name(nt_username);
+
+ DEBUG(5,("Attempting validation level %d for unmapped username %s.\n", q_u->sam_id.ctr->switch_value, nt_username));
+
+ status = NT_STATUS_OK;
+
+ switch (ctr->switch_value) {
+ case NET_LOGON_TYPE:
+ {
+ const char *wksname = nt_workstation;
+
+ if (!NT_STATUS_IS_OK(status = make_auth_context_fixed(&auth_context, ctr->auth.id2.lm_chal))) {
+ return status;
+ }
+
+ /* For a network logon, the workstation name comes in with two
+ * backslashes in the front. Strip them if they are there. */
+
+ if (*wksname == '\\') wksname++;
+ if (*wksname == '\\') wksname++;
+
+ /* Standard challenge/response authenticaion */
+ if (!make_user_info_netlogon_network(&user_info,
+ nt_username, nt_domain,
+ wksname,
+ ctr->auth.id2.param_ctrl,
+ ctr->auth.id2.lm_chal_resp.buffer,
+ ctr->auth.id2.lm_chal_resp.str_str_len,
+ ctr->auth.id2.nt_chal_resp.buffer,
+ ctr->auth.id2.nt_chal_resp.str_str_len)) {
+ status = NT_STATUS_NO_MEMORY;
+ }
+ break;
+ }
+ case INTERACTIVE_LOGON_TYPE:
+ /* 'Interactive' autheticaion, supplies the password in its
+ MD4 form, encrypted with the session key. We will
+ convert this to chellange/responce for the auth
+ subsystem to chew on */
+ {
+ const uint8 *chal;
+
+ if (!NT_STATUS_IS_OK(status = make_auth_context_subsystem(&auth_context))) {
+ return status;
+ }
+
+ chal = auth_context->get_ntlm_challenge(auth_context);
+
+ if (!make_user_info_netlogon_interactive(&user_info,
+ nt_username, nt_domain,
+ nt_workstation,
+ ctr->auth.id1.param_ctrl,
+ chal,
+ ctr->auth.id1.lm_owf.data,
+ ctr->auth.id1.nt_owf.data,
+ p->dc->sess_key)) {
+ status = NT_STATUS_NO_MEMORY;
+ }
+ break;
+ }
+ default:
+ DEBUG(2,("SAM Logon: unsupported switch value\n"));
+ return NT_STATUS_INVALID_INFO_CLASS;
+ } /* end switch */
+
+ if ( NT_STATUS_IS_OK(status) ) {
+ status = auth_context->check_ntlm_password(auth_context,
+ user_info, &server_info);
+ }
+
+ (auth_context->free)(&auth_context);
+ free_user_info(&user_info);
+
+ DEBUG(5, ("_net_sam_logon: check_password returned status %s\n",
+ nt_errstr(status)));
+
+ /* Check account and password */
+
+ if (!NT_STATUS_IS_OK(status)) {
+ /* If we don't know what this domain is, we need to
+ indicate that we are not authoritative. This
+ allows the client to decide if it needs to try
+ a local user. Fix by jpjanosi@us.ibm.com, #2976 */
+ if ( NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)
+ && !strequal(nt_domain, get_global_sam_name())
+ && !is_trusted_domain(nt_domain) )
+ r_u->auth_resp = 0; /* We are not authoritative */
+
+ free_server_info(&server_info);
+ return status;
+ }
+
+ if (server_info->guest) {
+ /* We don't like guest domain logons... */
+ DEBUG(5,("_net_sam_logon: Attempted domain logon as GUEST denied.\n"));
+ free_server_info(&server_info);
+ return NT_STATUS_LOGON_FAILURE;
+ }
+
+ /* This is the point at which, if the login was successful, that
+ the SAM Local Security Authority should record that the user is
+ logged in to the domain. */
+
+ {
+ DOM_GID *gids = NULL;
+ const DOM_SID *user_sid = NULL;
+ const DOM_SID *group_sid = NULL;
+ DOM_SID domain_sid;
+ uint32 user_rid, group_rid;
+
+ int num_gids = 0;
+ pstring my_name;
+ fstring user_sid_string;
+ fstring group_sid_string;
+ uchar user_session_key[16];
+ uchar lm_session_key[16];
+ uchar netlogon_sess_key[16];
+
+ sampw = server_info->sam_account;
+
+ /* set up pointer indicating user/password failed to be found */
+ usr_info->ptr_user_info = 0;
+
+ user_sid = pdb_get_user_sid(sampw);
+ group_sid = pdb_get_group_sid(sampw);
+
+ sid_copy(&domain_sid, user_sid);
+ sid_split_rid(&domain_sid, &user_rid);
+
+ if (!sid_peek_check_rid(&domain_sid, group_sid, &group_rid)) {
+ DEBUG(1, ("_net_sam_logon: user %s\\%s has user sid %s\n but group sid %s.\nThe conflicting domain portions are not supported for NETLOGON calls\n",
+ pdb_get_domain(sampw), pdb_get_username(sampw),
+ sid_to_string(user_sid_string, user_sid),
+ sid_to_string(group_sid_string, group_sid)));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+
+ if(server_info->login_server) {
+ pstrcpy(my_name, server_info->login_server);
+ } else {
+ pstrcpy(my_name, global_myname());
+ }
+
+ if (!NT_STATUS_IS_OK(status
+ = nt_token_to_group_list(p->mem_ctx,
+ &domain_sid,
+ server_info->ptok,
+ &num_gids,
+ &gids))) {
+ return status;
+ }
+
+ ZERO_STRUCT(netlogon_sess_key);
+ memcpy(netlogon_sess_key, p->dc->sess_key, 8);
+ if (server_info->user_session_key.length) {
+ memcpy(user_session_key, server_info->user_session_key.data,
+ MIN(sizeof(user_session_key), server_info->user_session_key.length));
+ SamOEMhash(user_session_key, netlogon_sess_key, 16);
+ }
+ if (server_info->lm_session_key.length) {
+ memcpy(lm_session_key, server_info->lm_session_key.data,
+ MIN(sizeof(lm_session_key), server_info->lm_session_key.length));
+ SamOEMhash(lm_session_key, netlogon_sess_key, 16);
+ }
+ ZERO_STRUCT(netlogon_sess_key);
+
+ init_net_user_info3(p->mem_ctx, usr_info,
+ user_rid,
+ group_rid,
+ pdb_get_username(sampw),
+ pdb_get_fullname(sampw),
+ pdb_get_homedir(sampw),
+ pdb_get_dir_drive(sampw),
+ pdb_get_logon_script(sampw),
+ pdb_get_profile_path(sampw),
+ pdb_get_logon_time(sampw),
+ get_time_t_max(),
+ get_time_t_max(),
+ pdb_get_pass_last_set_time(sampw),
+ pdb_get_pass_can_change_time(sampw),
+ pdb_get_pass_must_change_time(sampw),
+
+ 0, /* logon_count */
+ 0, /* bad_pw_count */
+ num_gids, /* uint32 num_groups */
+ gids , /* DOM_GID *gids */
+ 0x20 , /* uint32 user_flgs (?) */
+ server_info->user_session_key.length ? user_session_key : NULL,
+ server_info->lm_session_key.length ? lm_session_key : NULL,
+ my_name , /* char *logon_srv */
+ pdb_get_domain(sampw),
+ &domain_sid, /* DOM_SID *dom_sid */
+ /* Should be users domain sid, not servers - for trusted domains */
+
+ NULL); /* char *other_sids */
+ ZERO_STRUCT(user_session_key);
+ ZERO_STRUCT(lm_session_key);
+ }
+ free_server_info(&server_info);
+ return status;
+}
+
+/*************************************************************************
+ _ds_enum_dom_trusts
+ *************************************************************************/
+#if 0 /* JERRY -- not correct */
+NTSTATUS _ds_enum_dom_trusts(pipes_struct *p, DS_Q_ENUM_DOM_TRUSTS *q_u,
+ DS_R_ENUM_DOM_TRUSTS *r_u)
+{
+ NTSTATUS status = NT_STATUS_OK;
+
+ /* TODO: According to MSDN, the can only be executed against a
+ DC or domain member running Windows 2000 or later. Need
+ to test against a standalone 2k server and see what it
+ does. A windows 2000 DC includes its own domain in the
+ list. --jerry */
+
+ return status;
+}
+#endif /* JERRY */
projects / samba / blobdiff