diff options
Diffstat (limited to 'source/rpc_client/cli_login.c')
| -rw-r--r-- | source/rpc_client/cli_login.c | 191 |
1 files changed, 191 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..abe471379ba --- /dev/null +++ b/source/rpc_client/cli_login.c @@ -0,0 +1,191 @@ +/* + 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 + + 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" +#include "nterr.h" + +extern int DEBUGLEVEL; +extern fstring global_myworkgroup; +extern pstring global_myname; + +/**************************************************************************** +Initialize domain session credentials. +****************************************************************************/ + +BOOL cli_nt_setup_creds(struct cli_state *cli, unsigned char mach_pwd[16]) +{ + 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 False; + } + + /**************** Long-term Session key **************/ + + /* calculate the session key */ + cred_session_key(&clnt_chal, &srv_chal, (char *)mach_pwd, cli->sess_key); + bzero(cli->sess_key+8, 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. + */ + + if (!cli_net_auth2(cli, SEC_CHAN_WKSTA, 0x000001ff, &srv_chal)) + { + DEBUG(0,("cli_nt_setup_creds: auth2 challenge failed\n")); + return False; + } + + return True; +} + +/**************************************************************************** + Set machine password. + ****************************************************************************/ + +BOOL cli_nt_srv_pwset(struct cli_state *cli, unsigned char *new_hashof_mach_pwd) +{ + unsigned char processed_new_pwd[16]; + + DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__)); + +#ifdef DEBUG_PASSWORD + dump_data(6, new_hashof_mach_pwd, 16); +#endif + + /* Process the new password. */ + cred_hash3( processed_new_pwd, new_hashof_mach_pwd, cli->sess_key, 1); + + /* send client srv_pwset challenge */ + return cli_net_srv_pwset(cli, processed_new_pwd); +} + +#if UNUSED_CODE +/**************************************************************************** +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. + ****************************************************************************/ +BOOL 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) +{ + unsigned char lm_owf_user_pwd[16]; + unsigned char nt_owf_user_pwd[16]; + BOOL ret; + + DEBUG(5,("cli_nt_login_interactive: %d\n", __LINE__)); + + nt_lm_owf_gen(password, (char *)nt_owf_user_pwd, (char *)lm_owf_user_pwd); + +#ifdef DEBUG_PASSWORD + + DEBUG(100,("nt owf of user password: ")); + dump_data(100, lm_owf_user_pwd, 16); + + DEBUG(100,("nt owf of user password: ")); + dump_data(100, 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. */ + make_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; +} +#endif + +/**************************************************************************** +NT login - network. +*ALWAYS* use this call to validate a user as it does not expose plaintext +password equivalents over the network. JRA. +****************************************************************************/ + +BOOL cli_nt_login_network(struct cli_state *cli, char *domain, char *username, + uint32 smb_userid_low, char lm_chal[8], char lm_chal_resp[24], + char nt_chal_resp[24], + 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. */ + make_id_info2(&ctr->auth.id2, domain, 0, + smb_userid_low, 0, + username, cli->clnt_name_slash, + (uchar *)lm_chal, (uchar *)lm_chal_resp, (uchar *)nt_chal_resp); + + /* Send client sam-logon request - update credentials on success. */ + return cli_net_sam_logon(cli, ctr, user_info3); +} + +#if UNUSED_CODE +/**************************************************************************** +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); +} +#endif |