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Diffstat (limited to 'source/rpc_client/cli_login.c')
| -rw-r--r-- | source/rpc_client/cli_login.c | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/source/rpc_client/cli_login.c b/source/rpc_client/cli_login.c new file mode 100644 index 00000000000..be32533541c --- /dev/null +++ b/source/rpc_client/cli_login.c @@ -0,0 +1,174 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + NT Domain Authentication SMB / MSRPC client + Copyright (C) Andrew Tridgell 1994-1997 + Copyright (C) Luke Kenneth Casson Leighton 1996-1997 + Copyright (C) Jeremy Allison 1999. + + 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. +*/ + +#include "includes.h" + +extern fstring global_myworkgroup; +extern pstring global_myname; + +/**************************************************************************** +Initialize domain session credentials. +****************************************************************************/ + +NTSTATUS cli_nt_setup_creds(struct cli_state *cli, unsigned char mach_pwd[16]) +{ + NTSTATUS result; + DOM_CHAL clnt_chal; + DOM_CHAL srv_chal; + + UTIME zerotime; + + /******************* Request Challenge ********************/ + + generate_random_buffer( clnt_chal.data, 8, False); + + /* send a client challenge; receive a server challenge */ + if (!cli_net_req_chal(cli, &clnt_chal, &srv_chal)) + { + DEBUG(0,("cli_nt_setup_creds: request challenge failed\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + /**************** Long-term Session key **************/ + + /* calculate the session key */ + cred_session_key(&clnt_chal, &srv_chal, (char *)mach_pwd, cli->sess_key); + memset((char *)cli->sess_key+8, '\0', 8); + + /******************* Authenticate 2 ********************/ + + /* calculate auth-2 credentials */ + zerotime.time = 0; + cred_create(cli->sess_key, &clnt_chal, zerotime, &(cli->clnt_cred.challenge)); + + /* + * Send client auth-2 challenge. + * Receive an auth-2 challenge response and check it. + */ + + result = cli_net_auth2(cli, (lp_server_role() == ROLE_DOMAIN_MEMBER) ? + SEC_CHAN_WKSTA : SEC_CHAN_BDC, 0x000001ff, &srv_chal); + + if (!NT_STATUS_IS_OK(result)) + { + DEBUG(0,("cli_nt_setup_creds: auth2 challenge failed\n")); + return result; + } + + return NT_STATUS_OK; +} + +/**************************************************************************** +NT login - interactive. +*NEVER* use this code. This method of doing a logon (sending the cleartext +password equivalents, protected by the session key) is inherently insecure +given the current design of the NT Domain system. JRA. + ****************************************************************************/ +NTSTATUS cli_nt_login_interactive(struct cli_state *cli, char *domain, char *username, + uint32 smb_userid_low, char *password, + NET_ID_INFO_CTR *ctr, NET_USER_INFO_3 *user_info3) +{ + uchar lm_owf_user_pwd[16]; + uchar nt_owf_user_pwd[16]; + NTSTATUS ret; + + DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__)); + + nt_lm_owf_gen(password, nt_owf_user_pwd, lm_owf_user_pwd); + +#ifdef DEBUG_PASSWORD + + DEBUG(100,("nt owf of user password: ")); + dump_data(100, (char *)lm_owf_user_pwd, 16); + + DEBUG(100,("nt owf of user password: ")); + dump_data(100, (char *)nt_owf_user_pwd, 16); + +#endif + + DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__)); + + /* indicate an "interactive" login */ + ctr->switch_value = INTERACTIVE_LOGON_TYPE; + + /* Create the structure needed for SAM logon. */ + init_id_info1(&ctr->auth.id1, domain, 0, + smb_userid_low, 0, + username, cli->clnt_name_slash, + (char *)cli->sess_key, lm_owf_user_pwd, nt_owf_user_pwd); + + /* Ensure we overwrite all the plaintext password + equivalents. */ + memset(lm_owf_user_pwd, '\0', sizeof(lm_owf_user_pwd)); + memset(nt_owf_user_pwd, '\0', sizeof(nt_owf_user_pwd)); + + /* Send client sam-logon request - update credentials on success. */ + ret = cli_net_sam_logon(cli, ctr, user_info3); + + memset(ctr->auth.id1.lm_owf.data, '\0', sizeof(lm_owf_user_pwd)); + memset(ctr->auth.id1.nt_owf.data, '\0', sizeof(nt_owf_user_pwd)); + + return ret; +} + +/**************************************************************************** +NT login - network. +*ALWAYS* use this call to validate a user as it does not expose plaintext +password equivalents over the network. JRA. +****************************************************************************/ + +NTSTATUS cli_nt_login_network(struct cli_state *cli, + const auth_usersupplied_info *user_info, + uchar chal[8], + uint32 smb_userid_low, NET_ID_INFO_CTR *ctr, + NET_USER_INFO_3 *user_info3) +{ + DEBUG(5,("cli_nt_login_network: %d\n", __LINE__)); + /* indicate a "network" login */ + ctr->switch_value = NET_LOGON_TYPE; + + /* Create the structure needed for SAM logon. */ + init_id_info2(&ctr->auth.id2, user_info->domain.str, 0, smb_userid_low, 0, + user_info->smb_name.str, + /* Send our cleint's workstaion name if we have it, otherwise ours */ + ((user_info->wksta_name.len > 0) ? + user_info->wksta_name.str : + cli->clnt_name_slash), + chal, + user_info->lm_resp.data, user_info->lm_resp.length, + user_info->nt_resp.data, user_info->nt_resp.length); + + /* Send client sam-logon request - update credentials on success. */ + return cli_net_sam_logon(cli, ctr, user_info3); +} + +/**************************************************************************** +NT Logoff. +****************************************************************************/ +BOOL cli_nt_logoff(struct cli_state *cli, NET_ID_INFO_CTR *ctr) +{ + DEBUG(5,("cli_nt_logoff: %d\n", __LINE__)); + + /* Send client sam-logoff request - update credentials on success. */ + return cli_net_sam_logoff(cli, ctr); +} |