/* * 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 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 . */ /* 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; } /************************************************************************* 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) { DEBUG(3, ("sending sam synchronisation message\n")); message_send_all(smbd_messaging_context(), MSG_SMB_SAM_SYNC, NULL, 0, NULL); } /************************************************************************* 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 sockaddr_storage dc_ss; /* this should be \\global_myname() */ unistr2_to_ascii(servername, &q_u->uni_server_name, sizeof(servername)); r_u->status = NT_STATUS_OK; tc_status = W_ERROR_V(WERR_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_ss ) ) { tc_status = W_ERROR_V(WERR_NO_LOGON_SERVERS); break; } fstr_sprintf( dc_name, "\\\\%s", dc_name2 ); tc_status = W_ERROR_V(WERR_OK); 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_ss ) ) { tc_status = W_ERROR_V(WERR_NO_LOGON_SERVERS); break; } fstr_sprintf( dc_name, "\\\\%s", dc_name2 ); tc_status = W_ERROR_V(WERR_OK); 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; } /************************************************************************* _netr_NetrEnumerateTrustedDomains *************************************************************************/ WERROR _netr_NetrEnumerateTrustedDomains(pipes_struct *p, struct netr_NetrEnumerateTrustedDomains *r) { struct netr_Blob trusted_domains_blob; DATA_BLOB blob; DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__)); /* set up the Trusted Domain List response */ blob = data_blob_talloc_zero(p->mem_ctx, 2); trusted_domains_blob.data = blob.data; trusted_domains_blob.length = blob.length; DEBUG(6,("_netr_NetrEnumerateTrustedDomains: %d\n", __LINE__)); *r->out.trusted_domains_blob = trusted_domains_blob; return WERR_OK; } /*********************************************************************************** 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 NTSTATUS get_md4pw(char *md4pw, char *mach_acct, uint16 sec_chan_type) { struct samu *sampass = NULL; const uint8 *pass; bool ret; uint32 acct_ctrl; #if 0 char addr[INET6_ADDRSTRLEN]; /* * 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(get_client_fd()), client_addr(get_client_fd(),addr,sizeof(addr)))) { DEBUG(0,("get_md4pw: Workstation %s denied access to domain\n", mach_acct)); return False; } #endif /* 0 */ if ( !(sampass = samu_new( NULL )) ) { return NT_STATUS_NO_MEMORY; } /* 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) { DEBUG(0,("get_md4pw: Workstation %s: no account in domain\n", mach_acct)); TALLOC_FREE(sampass); return NT_STATUS_ACCESS_DENIED; } acct_ctrl = pdb_get_acct_ctrl(sampass); if (acct_ctrl & ACB_DISABLED) { DEBUG(0,("get_md4pw: Workstation %s: account is disabled\n", mach_acct)); TALLOC_FREE(sampass); return NT_STATUS_ACCOUNT_DISABLED; } if (!(acct_ctrl & ACB_SVRTRUST) && !(acct_ctrl & ACB_WSTRUST) && !(acct_ctrl & ACB_DOMTRUST)) { DEBUG(0,("get_md4pw: Workstation %s: account is not a trust account\n", mach_acct)); TALLOC_FREE(sampass); return NT_STATUS_NO_TRUST_SAM_ACCOUNT; } switch (sec_chan_type) { case SEC_CHAN_BDC: if (!(acct_ctrl & ACB_SVRTRUST)) { DEBUG(0,("get_md4pw: Workstation %s: BDC secure channel requested " "but not a server trust account\n", mach_acct)); TALLOC_FREE(sampass); return NT_STATUS_NO_TRUST_SAM_ACCOUNT; } break; case SEC_CHAN_WKSTA: if (!(acct_ctrl & ACB_WSTRUST)) { DEBUG(0,("get_md4pw: Workstation %s: WORKSTATION secure channel requested " "but not a workstation trust account\n", mach_acct)); TALLOC_FREE(sampass); return NT_STATUS_NO_TRUST_SAM_ACCOUNT; } break; case SEC_CHAN_DOMAIN: if (!(acct_ctrl & ACB_DOMTRUST)) { DEBUG(0,("get_md4pw: Workstation %s: DOMAIN secure channel requested " "but not a interdomain trust account\n", mach_acct)); TALLOC_FREE(sampass); return NT_STATUS_NO_TRUST_SAM_ACCOUNT; } break; default: break; } if ((pass = pdb_get_nt_passwd(sampass)) == NULL) { DEBUG(0,("get_md4pw: Workstation %s: account does not have a password\n", mach_acct)); TALLOC_FREE(sampass); return NT_STATUS_LOGON_FAILURE; } memcpy(md4pw, pass, 16); dump_data(5, (uint8 *)md4pw, 16); TALLOC_FREE(sampass); return NT_STATUS_OK; } /************************************************************************* _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) { NTSTATUS status; 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); status = get_md4pw((char *)p->dc->mach_pw, mach_acct, q_u->clnt_id.sec_chan); if (!NT_STATUS_IS_OK(status)) { DEBUG(0,("_net_auth: creds_server_check failed. Failed to " "get password for machine account %s " "from client %s: %s\n", mach_acct, remote_machine, nt_errstr(status) )); /* always return NT_STATUS_ACCESS_DENIED */ return NT_STATUS_ACCESS_DENIED; } /* From the client / server challenges and md4 password, generate sess key */ creds_server_init(0, /* No neg flags. */ p->dc, &p->dc->clnt_chal, /* Stored client chal. */ &p->dc->srv_chal, /* Stored server chal. */ 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) { NTSTATUS status; 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); /* We use this as the key to store the creds. */ 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; } status = get_md4pw((char *)p->dc->mach_pw, mach_acct, q_u->clnt_id.sec_chan); if (!NT_STATUS_IS_OK(status)) { DEBUG(0,("_net_auth2: failed to get machine password for " "account %s: %s\n", mach_acct, nt_errstr(status) )); /* always return NT_STATUS_ACCESS_DENIED */ return NT_STATUS_ACCESS_DENIED; } /* From the client / server challenges and md4 password, generate sess key */ creds_server_init(q_u->clnt_flgs.neg_flags, p->dc, &p->dc->clnt_chal, /* Stored client chal. */ &p->dc->srv_chal, /* Stored server chal. */ 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, remote_machine, 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) { fstring remote_machine; struct samu *sampass=NULL; bool ret = False; unsigned char pwd[16]; int i; uint32 acct_ctrl; DOM_CRED cred_out; const uchar *old_pw; DEBUG(5,("_net_srv_pwset: %d\n", __LINE__)); /* We need the remote machine name for the creds lookup. */ rpcstr_pull(remote_machine,q_u->clnt_id.login.uni_comp_name.buffer, sizeof(remote_machine),q_u->clnt_id.login.uni_comp_name.uni_str_len*2,0); 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_srv_pwset: client %s not using schannel for netlogon\n", remote_machine )); return NT_STATUS_ACCESS_DENIED; } if (!p->dc) { /* Restore the saved state of the netlogon creds. */ become_root(); ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx, remote_machine, &p->dc); unbecome_root(); if (!ret) { return NT_STATUS_INVALID_HANDLE; } } if (!p->dc || !p->dc->authenticated) { return NT_STATUS_INVALID_HANDLE; } DEBUG(3,("_net_srv_pwset: Server Password Set by remote machine:[%s] on account [%s]\n", remote_machine, p->dc->mach_acct)); /* 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", remote_machine, p->dc->mach_acct )); return NT_STATUS_INVALID_PARAMETER; } /* We must store the creds state after an update. */ sampass = samu_new( NULL ); if (!sampass) { return NT_STATUS_NO_MEMORY; } become_root(); secrets_store_schannel_session_info(p->pipe_state_mem_ctx, remote_machine, p->dc); ret = pdb_getsampwnam(sampass, p->dc->mach_acct); unbecome_root(); if (!ret) { TALLOC_FREE(sampass); return NT_STATUS_ACCESS_DENIED; } /* Ensure the account exists and is a machine account. */ acct_ctrl = pdb_get_acct_ctrl(sampass); if (!(acct_ctrl & ACB_WSTRUST || acct_ctrl & ACB_SVRTRUST || acct_ctrl & ACB_DOMTRUST)) { TALLOC_FREE(sampass); return NT_STATUS_NO_SUCH_USER; } if (pdb_get_acct_ctrl(sampass) & ACB_DISABLED) { TALLOC_FREE(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)) { TALLOC_FREE(sampass); return NT_STATUS_NO_MEMORY; } if (!pdb_set_nt_passwd(sampass, pwd, PDB_CHANGED)) { TALLOC_FREE(sampass); return NT_STATUS_NO_MEMORY; } if (!pdb_set_pass_last_set_time(sampass, time(NULL), PDB_CHANGED)) { TALLOC_FREE(sampass); /* Not quite sure what this one qualifies as, but this will do */ return NT_STATUS_UNSUCCESSFUL; } become_root(); r_u->status = pdb_update_sam_account(sampass); unbecome_root(); } /* set up the LSA Server Password Set response */ init_net_r_srv_pwset(r_u, &cred_out, r_u->status); TALLOC_FREE(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) { fstring remote_machine; 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", get_remote_machine_name() )); return NT_STATUS_ACCESS_DENIED; } if (!get_valid_user_struct(p->vuid)) return NT_STATUS_NO_SUCH_USER; /* Get the remote machine name for the creds store. */ rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer, sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0); if (!p->dc) { /* Restore the saved state of the netlogon creds. */ bool ret; become_root(); ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx, remote_machine, &p->dc); unbecome_root(); if (!ret) { return NT_STATUS_INVALID_HANDLE; } } 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", remote_machine, p->dc->mach_acct )); return NT_STATUS_INVALID_PARAMETER; } /* We must store the creds state after an update. */ become_root(); secrets_store_schannel_session_info(p->pipe_state_mem_ctx, remote_machine, p->dc); unbecome_root(); 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, size_t num_sids, const DOM_SID *sids, int *numgroups, DOM_GID **pgids) { int i; *numgroups=0; *pgids = NULL; for (i=0; isam_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; struct samu *sampw; struct auth_context *auth_context = NULL; 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_logon_internal: client %s not using schannel for netlogon\n", get_remote_machine_name() )); return NT_STATUS_ACCESS_DENIED; } 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->auth_resp = 1; /* authoritative response */ if (q_u->validation_level != 2 && q_u->validation_level != 3) { DEBUG(0,("_net_sam_logon: bad validation_level value %d.\n", (int)q_u->validation_level )); return NT_STATUS_ACCESS_DENIED; } /* We handle the return of USER_INFO_2 instead of 3 in the parse return. Sucks, I know... */ r_u->switch_value = q_u->validation_level; /* 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 (process_creds) { fstring remote_machine; /* Get the remote machine name for the creds store. */ /* Note this is the remote machine this request is coming from (member server), not neccessarily the workstation name the user is logging onto. */ rpcstr_pull(remote_machine,q_u->sam_id.client.login.uni_comp_name.buffer, sizeof(remote_machine),q_u->sam_id.client.login.uni_comp_name.uni_str_len*2,0); if (!p->dc) { /* Restore the saved state of the netlogon creds. */ bool ret; become_root(); ret = secrets_restore_schannel_session_info(p->pipe_state_mem_ctx, remote_machine, &p->dc); unbecome_root(); if (!ret) { return NT_STATUS_INVALID_HANDLE; } } if (!p->dc || !p->dc->authenticated) { return NT_STATUS_INVALID_HANDLE; } /* 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", remote_machine, p->dc->mach_acct )); return NT_STATUS_INVALID_PARAMETER; } /* We must store the creds state after an update. */ become_root(); secrets_store_schannel_session_info(p->pipe_state_mem_ctx, remote_machine, p->dc); unbecome_root(); } 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' authentication, supplies the password in its MD4 form, encrypted with the session key. We will convert this to challenge/response 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 */ TALLOC_FREE(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")); TALLOC_FREE(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; const char *my_name; unsigned char user_session_key[16]; unsigned char lm_session_key[16]; unsigned char pipe_session_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); if ((user_sid == NULL) || (group_sid == NULL)) { DEBUG(1, ("_net_sam_logon: User without group or user SID\n")); return NT_STATUS_UNSUCCESSFUL; } 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.\n" "The conflicting domain portions are not " "supported for NETLOGON calls\n", pdb_get_domain(sampw), pdb_get_username(sampw), sid_string_dbg(user_sid), sid_string_dbg(group_sid))); return NT_STATUS_UNSUCCESSFUL; } if(server_info->login_server) { my_name = server_info->login_server; } else { my_name = global_myname(); } status = nt_token_to_group_list(p->mem_ctx, &domain_sid, server_info->num_sids, server_info->sids, &num_gids, &gids); if (!NT_STATUS_IS_OK(status)) { return status; } 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)); if (process_creds) { /* Get the pipe session key from the creds. */ memcpy(pipe_session_key, p->dc->sess_key, 16); } else { /* Get the pipe session key from the schannel. */ if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) { return NT_STATUS_INVALID_HANDLE; } memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16); } SamOEMhash(user_session_key, pipe_session_key, 16); memset(pipe_session_key, '\0', 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)); if (process_creds) { /* Get the pipe session key from the creds. */ memcpy(pipe_session_key, p->dc->sess_key, 16); } else { /* Get the pipe session key from the schannel. */ if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL || p->auth.a_u.schannel_auth == NULL) { return NT_STATUS_INVALID_HANDLE; } memcpy(pipe_session_key, p->auth.a_u.schannel_auth->sess_key, 16); } SamOEMhash(lm_session_key, pipe_session_key, 16); memset(pipe_session_key, '\0', 16); } 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 */ NETLOGON_EXTRA_SIDS, /* uint32 user_flgs (?) */ pdb_get_acct_ctrl(sampw), 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 */ ZERO_STRUCT(user_session_key); ZERO_STRUCT(lm_session_key); } TALLOC_FREE(server_info); return status; } /************************************************************************* _net_sam_logon *************************************************************************/ NTSTATUS _net_sam_logon(pipes_struct *p, NET_Q_SAM_LOGON *q_u, NET_R_SAM_LOGON *r_u) { return _net_sam_logon_internal(p, q_u, r_u, True); } /************************************************************************* _net_sam_logon_ex - no credential chaining. Map into net sam logon. *************************************************************************/ NTSTATUS _net_sam_logon_ex(pipes_struct *p, NET_Q_SAM_LOGON_EX *q_u, NET_R_SAM_LOGON_EX *r_u) { NET_Q_SAM_LOGON q; NET_R_SAM_LOGON r; ZERO_STRUCT(q); ZERO_STRUCT(r); /* Only allow this if the pipe is protected. */ if (p->auth.auth_type != PIPE_AUTH_TYPE_SCHANNEL) { DEBUG(0,("_net_sam_logon_ex: client %s not using schannel for netlogon\n", get_remote_machine_name() )); return NT_STATUS_INVALID_PARAMETER; } /* Map a NET_Q_SAM_LOGON_EX to NET_Q_SAM_LOGON. */ q.validation_level = q_u->validation_level; /* Map a DOM_SAM_INFO_EX into a DOM_SAM_INFO with no creds. */ q.sam_id.client.login = q_u->sam_id.client; q.sam_id.logon_level = q_u->sam_id.logon_level; q.sam_id.ctr = q_u->sam_id.ctr; r_u->status = _net_sam_logon_internal(p, &q, &r, False); if (!NT_STATUS_IS_OK(r_u->status)) { return r_u->status; } /* Map the NET_R_SAM_LOGON to NET_R_SAM_LOGON_EX. */ r_u->switch_value = r.switch_value; r_u->user = r.user; r_u->auth_resp = r.auth_resp; r_u->flags = 0; /* FIXME ! */ return r_u->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 */ /**************************************************************** ****************************************************************/ WERROR _netr_LogonUasLogon(pipes_struct *p, struct netr_LogonUasLogon *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_LogonUasLogoff(pipes_struct *p, struct netr_LogonUasLogoff *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_LogonSamLogon(pipes_struct *p, struct netr_LogonSamLogon *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_LogonSamLogoff(pipes_struct *p, struct netr_LogonSamLogoff *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_ServerReqChallenge(pipes_struct *p, struct netr_ServerReqChallenge *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_ServerAuthenticate(pipes_struct *p, struct netr_ServerAuthenticate *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_ServerPasswordSet(pipes_struct *p, struct netr_ServerPasswordSet *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_DatabaseDeltas(pipes_struct *p, struct netr_DatabaseDeltas *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_DatabaseSync(pipes_struct *p, struct netr_DatabaseSync *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_AccountDeltas(pipes_struct *p, struct netr_AccountDeltas *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_AccountSync(pipes_struct *p, struct netr_AccountSync *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ WERROR _netr_LogonControl(pipes_struct *p, struct netr_LogonControl *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_GetDcName(pipes_struct *p, struct netr_GetDcName *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_GetAnyDCName(pipes_struct *p, struct netr_GetAnyDCName *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_LogonControl2(pipes_struct *p, struct netr_LogonControl2 *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_ServerAuthenticate2(pipes_struct *p, struct netr_ServerAuthenticate2 *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_DatabaseSync2(pipes_struct *p, struct netr_DatabaseSync2 *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_DatabaseRedo(pipes_struct *p, struct netr_DatabaseRedo *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ WERROR _netr_LogonControl2Ex(pipes_struct *p, struct netr_LogonControl2Ex *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsRGetDCName(pipes_struct *p, struct netr_DsRGetDCName *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_NETRLOGONDUMMYROUTINE1(pipes_struct *p, struct netr_NETRLOGONDUMMYROUTINE1 *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_NETRLOGONSETSERVICEBITS(pipes_struct *p, struct netr_NETRLOGONSETSERVICEBITS *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_LogonGetTrustRid(pipes_struct *p, struct netr_LogonGetTrustRid *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_NETRLOGONCOMPUTESERVERDIGEST(pipes_struct *p, struct netr_NETRLOGONCOMPUTESERVERDIGEST *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_NETRLOGONCOMPUTECLIENTDIGEST(pipes_struct *p, struct netr_NETRLOGONCOMPUTECLIENTDIGEST *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_ServerAuthenticate3(pipes_struct *p, struct netr_ServerAuthenticate3 *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsRGetDCNameEx(pipes_struct *p, struct netr_DsRGetDCNameEx *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsRGetSiteName(pipes_struct *p, struct netr_DsRGetSiteName *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_LogonGetDomainInfo(pipes_struct *p, struct netr_LogonGetDomainInfo *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_ServerPasswordSet2(pipes_struct *p, struct netr_ServerPasswordSet2 *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ WERROR _netr_ServerPasswordGet(pipes_struct *p, struct netr_ServerPasswordGet *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_NETRLOGONSENDTOSAM(pipes_struct *p, struct netr_NETRLOGONSENDTOSAM *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsRAddressToSitenamesW(pipes_struct *p, struct netr_DsRAddressToSitenamesW *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsRGetDCNameEx2(pipes_struct *p, struct netr_DsRGetDCNameEx2 *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN(pipes_struct *p, struct netr_NETRLOGONGETTIMESERVICEPARENTDOMAIN *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_NetrEnumerateTrustedDomainsEx(pipes_struct *p, struct netr_NetrEnumerateTrustedDomainsEx *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsRAddressToSitenamesExW(pipes_struct *p, struct netr_DsRAddressToSitenamesExW *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsrGetDcSiteCoverageW(pipes_struct *p, struct netr_DsrGetDcSiteCoverageW *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_LogonSamLogonEx(pipes_struct *p, struct netr_LogonSamLogonEx *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsrEnumerateDomainTrusts(pipes_struct *p, struct netr_DsrEnumerateDomainTrusts *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsrDeregisterDNSHostRecords(pipes_struct *p, struct netr_DsrDeregisterDNSHostRecords *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_ServerTrustPasswordsGet(pipes_struct *p, struct netr_ServerTrustPasswordsGet *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ WERROR _netr_DsRGetForestTrustInformation(pipes_struct *p, struct netr_DsRGetForestTrustInformation *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ WERROR _netr_GetForestTrustInformation(pipes_struct *p, struct netr_GetForestTrustInformation *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; } /**************************************************************** ****************************************************************/ NTSTATUS _netr_LogonSamLogonWithFlags(pipes_struct *p, struct netr_LogonSamLogonWithFlags *r) { p->rng_fault_state = true; return NT_STATUS_NOT_IMPLEMENTED; } /**************************************************************** ****************************************************************/ WERROR _netr_NETRSERVERGETTRUSTINFO(pipes_struct *p, struct netr_NETRSERVERGETTRUSTINFO *r) { p->rng_fault_state = true; return WERR_NOT_SUPPORTED; }