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ntclientnet.c
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1997-11-09
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615 lines
/*
* 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.
*
* 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 username;
extern pstring workgroup;
#define CLIENT_TIMEOUT (30*1000)
#ifdef NTDOMAIN
/****************************************************************************
do a LSA Request Challenge
****************************************************************************/
BOOL do_lsa_req_chal(uint16 fnum, uint32 call_id,
char *desthost, char *myhostname,
DOM_CHAL *clnt_chal, DOM_CHAL *srv_chal)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
int rdrcnt,rprcnt;
pstring data; /* only 1024 bytes */
uint16 setup[2]; /* only need 2 uint16 setup parameters */
LSA_Q_REQ_CHAL q_c;
BOOL valid_chal = False;
if (srv_chal == NULL || clnt_chal == NULL) return False;
/* create and send a MSRPC command with api LSA_REQCHAL */
DEBUG(4,("LSA Request Challenge from %s to %s: %s\n",
desthost, myhostname, credstr(clnt_chal->data)));
/* store the parameters */
make_q_req_chal(&q_c, desthost, myhostname, clnt_chal);
/* turn parameters into data stream */
p = lsa_io_q_req_chal(False, &q_c, data + 0x18, data, 4, 0);
/* create the request RPC_HDR_RR _after_ the main data: length is now known */
create_rpc_request(call_id, LSA_REQCHAL, data, PTR_DIFF(p, data));
/* create setup parameters. */
setup[0] = 0x0026; /* 0x26 indicates "transact named pipe" */
setup[1] = fnum; /* file handle, from the SMBcreateX pipe, earlier */
/* send the data on \PIPE\ */
if (cli_call_api("\\PIPE\\", 0,
0, PTR_DIFF(p, data), 2,
1024, BUFFER_SIZE,
&rprcnt,&rdrcnt,
NULL, data, setup,
&rparam,&rdata))
{
LSA_R_REQ_CHAL r_c;
RPC_HDR_RR hdr;
int hdr_len;
int pkt_len;
DEBUG(5, ("cli_call_api: return OK\n"));
p = rdata;
if (p) p = smb_io_rpc_hdr_rr (True, &hdr, p, rdata, 4, 0);
if (p) p = align_offset(p, rdata, 4); /* oh, what a surprise */
hdr_len = PTR_DIFF(p, rdata);
if (p && hdr_len != hdr.hdr.frag_len - hdr.alloc_hint)
{
/* header length not same as calculated header length */
DEBUG(2,("do_lsa_req_chal: hdr_len %x != frag_len-alloc_hint %x\n",
hdr_len, hdr.hdr.frag_len - hdr.alloc_hint));
p = NULL;
}
if (p) p = lsa_io_r_req_chal(True, &r_c, p, rdata, 4, 0);
pkt_len = PTR_DIFF(p, rdata);
if (p && pkt_len != hdr.hdr.frag_len)
{
/* packet data size not same as reported fragment length */
DEBUG(2,("do_lsa_req_chal: pkt_len %x != frag_len \n",
pkt_len, hdr.hdr.frag_len));
p = NULL;
}
if (p && r_c.status != 0)
{
/* report error code */
DEBUG(0,("LSA_REQ_CHAL: nt_status error %lx\n", r_c.status));
p = NULL;
}
if (p)
{
/* ok, at last: we're happy. return the challenge */
memcpy(srv_chal, r_c.srv_chal.data, sizeof(srv_chal->data));
valid_chal = True;
}
}
if (rparam) free(rparam);
if (rdata) free(rdata);
return valid_chal;
}
/****************************************************************************
do a LSA Authenticate 2
****************************************************************************/
BOOL do_lsa_auth2(uint16 fnum, uint32 call_id,
char *logon_srv, char *acct_name, uint16 sec_chan, char *comp_name,
DOM_CHAL *clnt_chal, uint32 neg_flags, DOM_CHAL *srv_chal)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
int rdrcnt,rprcnt;
pstring data; /* only 1024 bytes */
uint16 setup[2]; /* only need 2 uint16 setup parameters */
LSA_Q_AUTH_2 q_a;
BOOL valid_chal = False;
if (srv_chal == NULL || clnt_chal == NULL) return False;
/* create and send a MSRPC command with api LSA_AUTH2 */
DEBUG(4,("LSA Authenticate 2: srv:%s acct:%s sc:%x mc: %s chal %s neg: %lx\n",
logon_srv, acct_name, sec_chan, comp_name,
credstr(clnt_chal->data), neg_flags));
/* store the parameters */
make_q_auth_2(&q_a, logon_srv, acct_name, sec_chan, comp_name,
clnt_chal, neg_flags);
/* turn parameters into data stream */
p = lsa_io_q_auth_2(False, &q_a, data + 0x18, data, 4, 0);
/* create the request RPC_HDR_RR _after_ the main data: length is now known */
create_rpc_request(call_id, LSA_AUTH2, data, PTR_DIFF(p, data));
/* create setup parameters. */
setup[0] = 0x0026; /* 0x26 indicates "transact named pipe" */
setup[1] = fnum; /* file handle, from the SMBcreateX pipe, earlier */
/* send the data on \PIPE\ */
if (cli_call_api("\\PIPE\\", 0,
0, PTR_DIFF(p, data), 2,
1024, BUFFER_SIZE,
&rprcnt,&rdrcnt,
NULL, data, setup,
&rparam,&rdata))
{
LSA_R_AUTH_2 r_a;
RPC_HDR_RR hdr;
int hdr_len;
int pkt_len;
DEBUG(5, ("cli_call_api: return OK\n"));
p = rdata;
if (p) p = smb_io_rpc_hdr_rr (True, &hdr, p, rdata, 4, 0);
if (p) p = align_offset(p, rdata, 4); /* oh, what a surprise */
hdr_len = PTR_DIFF(p, rdata);
if (p && hdr_len != hdr.hdr.frag_len - hdr.alloc_hint)
{
/* header length not same as calculated header length */
DEBUG(2,("do_lsa_auth2: hdr_len %x != frag_len-alloc_hint %x\n",
hdr_len, hdr.hdr.frag_len - hdr.alloc_hint));
p = NULL;
}
if (p) p = lsa_io_r_auth_2(True, &r_a, p, rdata, 4, 0);
pkt_len = PTR_DIFF(p, rdata);
if (p && pkt_len != hdr.hdr.frag_len)
{
/* packet data size not same as reported fragment length */
DEBUG(2,("do_lsa_auth2: pkt_len %x != frag_len \n",
pkt_len, hdr.hdr.frag_len));
p = NULL;
}
if (p && r_a.status != 0)
{
/* report error code */
DEBUG(0,("LSA_AUTH2: nt_status error %lx\n", r_a.status));
p = NULL;
}
if (p && r_a.srv_flgs.neg_flags != q_a.clnt_flgs.neg_flags)
{
/* report different neg_flags */
DEBUG(0,("LSA_AUTH2: error neg_flags (q,r) differ - (%lx,%lx)\n",
q_a.clnt_flgs.neg_flags, r_a.srv_flgs.neg_flags));
p = NULL;
}
if (p)
{
/* ok, at last: we're happy. return the challenge */
memcpy(srv_chal, r_a.srv_chal.data, sizeof(srv_chal->data));
valid_chal = True;
}
}
if (rparam) free(rparam);
if (rdata) free(rdata);
return valid_chal;
}
/***************************************************************************
do a LSA Server Password Set
****************************************************************************/
BOOL do_lsa_srv_pwset(uint16 fnum, uint32 call_id,
uchar sess_key[8],
char *logon_srv, char *mach_acct, uint16 sec_chan_type, char *comp_name,
DOM_CRED *clnt_cred, DOM_CRED *srv_cred,
char nt_owf_new_mach_pwd[16])
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
int rdrcnt,rprcnt;
pstring data; /* only 1024 bytes */
uint16 setup[2]; /* only need 2 uint16 setup parameters */
LSA_Q_SRV_PWSET q_s;
BOOL valid_cred = False;
if (srv_cred == NULL || clnt_cred == NULL) return False;
/* create and send a MSRPC command with api LSA_SRV_PWSET */
DEBUG(4,("LSA Server Password Set: srv:%s acct:%s sc: %d mc: %s clnt %s %lx\n",
logon_srv, mach_acct, sec_chan_type, comp_name,
credstr(clnt_cred->challenge.data), clnt_cred->timestamp.time));
/* store the parameters */
make_q_srv_pwset(&q_s,
sess_key,
logon_srv, mach_acct, sec_chan_type, comp_name,
clnt_cred,
nt_owf_new_mach_pwd);
/* turn parameters into data stream */
p = lsa_io_q_srv_pwset(False, &q_s, data + 0x18, data, 4, 0);
/* create the request RPC_HDR_RR _after_ the main data: length is now known */
create_rpc_request(call_id, LSA_SAMLOGON, data, PTR_DIFF(p, data));
/* create setup parameters. */
setup[0] = 0x0026; /* 0x26 indicates "transact named pipe" */
setup[1] = fnum; /* file handle, from the SMBcreateX pipe, earlier */
/* send the data on \PIPE\ */
if (cli_call_api("\\PIPE\\", 0,
0, PTR_DIFF(p, data), 2,
1024, BUFFER_SIZE,
&rprcnt,&rdrcnt,
NULL, data, setup,
&rparam,&rdata))
{
#if 0
LSA_R_SAM_LOGON r_s;
RPC_HDR_RR hdr;
int hdr_len;
int pkt_len;
r_s.user = user_info;
DEBUG(5, ("cli_call_api: return OK\n"));
p = rdata;
if (p) p = smb_io_rpc_hdr_rr (True, &hdr, p, rdata, 4, 0);
if (p) p = align_offset(p, rdata, 4); /* oh, what a surprise */
hdr_len = PTR_DIFF(p, rdata);
if (p && hdr_len != hdr.hdr.frag_len - hdr.alloc_hint)
{
/* header length not same as calculated header length */
DEBUG(2,("do_lsa_sam_logon: hdr_len %x != frag_len-alloc_hint %x\n",
hdr_len, hdr.hdr.frag_len - hdr.alloc_hint));
p = NULL;
}
if (p) p = lsa_io_r_sam_logon(True, &r_s, p, rdata, 4, 0);
pkt_len = PTR_DIFF(p, rdata);
if (p && pkt_len != hdr.hdr.frag_len)
{
/* packet data size not same as reported fragment length */
DEBUG(2,("do_lsa_sam_logon: pkt_len %x != frag_len \n",
pkt_len, hdr.hdr.frag_len));
p = NULL;
}
if (p && r_s.status != 0)
{
/* report error code */
DEBUG(0,("LSA_SAMLOGON: nt_status error %lx\n", r_s.status));
p = NULL;
}
if (p && r_s.switch_value != 3)
{
/* report different switch_value */
DEBUG(0,("LSA_SAMLOGON: switch_value of 3 expected %x\n",
r_s.switch_value));
p = NULL;
}
if (p)
{
if (clnt_deal_with_creds(sess_key, sto_clnt_cred, &(r_s.srv_creds)))
{
DEBUG(5, ("do_lsa_sam_logon: server credential check OK\n"));
/* ok, at last: we're happy. return the challenge */
memcpy(srv_cred, &(r_s.srv_creds), sizeof(r_s.srv_creds));
valid_cred = True;
}
else
{
DEBUG(5, ("do_lsa_sam_logon: server credential check failed\n"));
}
}
#endif
}
if (rparam) free(rparam);
if (rdata) free(rdata);
return valid_cred;
}
/***************************************************************************
do a LSA SAM Logon
****************************************************************************/
BOOL do_lsa_sam_logon(uint16 fnum, uint32 call_id,
uchar sess_key[8], DOM_CRED *sto_clnt_cred,
char *logon_srv, char *comp_name,
DOM_CRED *clnt_cred, DOM_CRED *rtn_cred,
uint16 logon_level, uint16 switch_value, DOM_ID_INFO_1 *id1,
LSA_USER_INFO *user_info,
DOM_CRED *srv_cred)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
int rdrcnt,rprcnt;
pstring data; /* only 1024 bytes */
uint16 setup[2]; /* only need 2 uint16 setup parameters */
LSA_Q_SAM_LOGON q_s;
BOOL valid_cred = False;
if (srv_cred == NULL || clnt_cred == NULL || rtn_cred == NULL || user_info == NULL) return False;
/* create and send a MSRPC command with api LSA_SAMLOGON */
DEBUG(4,("LSA SAM Logon: srv:%s mc:%s clnt %s %lx rtn: %s %lx ll: %d\n",
logon_srv, comp_name,
credstr(clnt_cred->challenge.data), clnt_cred->timestamp.time,
credstr(rtn_cred->challenge.data), rtn_cred ->timestamp.time,
logon_level));
/* store the parameters */
make_sam_info(&(q_s.sam_id), logon_srv, comp_name,
clnt_cred, rtn_cred, logon_level, switch_value, id1);
/* turn parameters into data stream */
p = lsa_io_q_sam_logon(False, &q_s, data + 0x18, data, 4, 0);
/* create the request RPC_HDR_RR _after_ the main data: length is now known */
create_rpc_request(call_id, LSA_SAMLOGON, data, PTR_DIFF(p, data));
/* create setup parameters. */
setup[0] = 0x0026; /* 0x26 indicates "transact named pipe" */
setup[1] = fnum; /* file handle, from the SMBcreateX pipe, earlier */
/* send the data on \PIPE\ */
if (cli_call_api("\\PIPE\\", 0,
0, PTR_DIFF(p, data), 2,
1024, BUFFER_SIZE,
&rprcnt,&rdrcnt,
NULL, data, setup,
&rparam,&rdata))
{
LSA_R_SAM_LOGON r_s;
RPC_HDR_RR hdr;
int hdr_len;
int pkt_len;
r_s.user = user_info;
DEBUG(5, ("cli_call_api: return OK\n"));
p = rdata;
if (p) p = smb_io_rpc_hdr_rr (True, &hdr, p, rdata, 4, 0);
if (p) p = align_offset(p, rdata, 4); /* oh, what a surprise */
hdr_len = PTR_DIFF(p, rdata);
if (p && hdr_len != hdr.hdr.frag_len - hdr.alloc_hint)
{
/* header length not same as calculated header length */
DEBUG(2,("do_lsa_sam_logon: hdr_len %x != frag_len-alloc_hint %x\n",
hdr_len, hdr.hdr.frag_len - hdr.alloc_hint));
p = NULL;
}
if (p) p = lsa_io_r_sam_logon(True, &r_s, p, rdata, 4, 0);
pkt_len = PTR_DIFF(p, rdata);
if (p && pkt_len != hdr.hdr.frag_len)
{
/* packet data size not same as reported fragment length */
DEBUG(2,("do_lsa_sam_logon: pkt_len %x != frag_len \n",
pkt_len, hdr.hdr.frag_len));
p = NULL;
}
if (p && r_s.status != 0)
{
/* report error code */
DEBUG(0,("LSA_SAMLOGON: nt_status error %lx\n", r_s.status));
p = NULL;
}
if (p && r_s.switch_value != 3)
{
/* report different switch_value */
DEBUG(0,("LSA_SAMLOGON: switch_value of 3 expected %x\n",
r_s.switch_value));
p = NULL;
}
if (p)
{
if (clnt_deal_with_creds(sess_key, sto_clnt_cred, &(r_s.srv_creds)))
{
DEBUG(5, ("do_lsa_sam_logon: server credential check OK\n"));
/* ok, at last: we're happy. return the challenge */
memcpy(srv_cred, &(r_s.srv_creds), sizeof(r_s.srv_creds));
valid_cred = True;
}
else
{
DEBUG(5, ("do_lsa_sam_logon: server credential check failed\n"));
}
}
}
if (rparam) free(rparam);
if (rdata) free(rdata);
return valid_cred;
}
/***************************************************************************
do a LSA SAM Logoff
****************************************************************************/
BOOL do_lsa_sam_logoff(uint16 fnum, uint32 call_id,
uchar sess_key[8], DOM_CRED *sto_clnt_cred,
char *logon_srv, char *comp_name,
DOM_CRED *clnt_cred, DOM_CRED *rtn_cred,
uint16 logon_level, uint16 switch_value, DOM_ID_INFO_1 *id1,
DOM_CRED *srv_cred)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
int rdrcnt,rprcnt;
pstring data; /* only 1024 bytes */
uint16 setup[2]; /* only need 2 uint16 setup parameters */
LSA_Q_SAM_LOGOFF q_s;
BOOL valid_cred = False;
if (srv_cred == NULL || clnt_cred == NULL || rtn_cred == NULL) return False;
/* create and send a MSRPC command with api LSA_SAMLOGON */
DEBUG(4,("LSA SAM Logoff: srv:%s mc:%s clnt %s %lx rtn: %s %lx ll: %d\n",
logon_srv, comp_name,
credstr(clnt_cred->challenge.data), clnt_cred->timestamp.time,
credstr(rtn_cred->challenge.data), rtn_cred ->timestamp.time,
logon_level));
/* store the parameters */
make_sam_info(&(q_s.sam_id), logon_srv, comp_name,
clnt_cred, rtn_cred, logon_level, switch_value, id1);
/* turn parameters into data stream */
p = lsa_io_q_sam_logoff(False, &q_s, data + 0x18, data, 4, 0);
/* create the request RPC_HDR_RR _after_ the main data: length is now known */
create_rpc_request(call_id, LSA_SAMLOGOFF, data, PTR_DIFF(p, data));
/* create setup parameters. */
setup[0] = 0x0026; /* 0x26 indicates "transact named pipe" */
setup[1] = fnum; /* file handle, from the SMBcreateX pipe, earlier */
/* send the data on \PIPE\ */
if (cli_call_api("\\PIPE\\", 0,
0, PTR_DIFF(p, data), 2,
1024, BUFFER_SIZE,
&rprcnt,&rdrcnt,
NULL, data, setup,
&rparam,&rdata))
{
LSA_R_SAM_LOGOFF r_s;
RPC_HDR_RR hdr;
int hdr_len;
int pkt_len;
DEBUG(5, ("cli_call_api: return OK\n"));
p = rdata;
if (p) p = smb_io_rpc_hdr_rr (True, &hdr, p, rdata, 4, 0);
if (p) p = align_offset(p, rdata, 4); /* oh, what a surprise */
hdr_len = PTR_DIFF(p, rdata);
if (p && hdr_len != hdr.hdr.frag_len - hdr.alloc_hint)
{
/* header length not same as calculated header length */
DEBUG(2,("do_lsa_sam_logoff: hdr_len %x != frag_len-alloc_hint %x\n",
hdr_len, hdr.hdr.frag_len - hdr.alloc_hint));
p = NULL;
}
if (p) p = lsa_io_r_sam_logoff(True, &r_s, p, rdata, 4, 0);
pkt_len = PTR_DIFF(p, rdata);
if (p && pkt_len != hdr.hdr.frag_len)
{
/* packet data size not same as reported fragment length */
DEBUG(2,("do_lsa_sam_logoff: pkt_len %x != frag_len \n",
pkt_len, hdr.hdr.frag_len));
p = NULL;
}
if (p && r_s.status != 0)
{
/* report error code */
DEBUG(0,("LSA_SAMLOGOFF: nt_status error %lx\n", r_s.status));
p = NULL;
}
if (p)
{
if (clnt_deal_with_creds(sess_key, sto_clnt_cred, &(r_s.srv_creds)))
{
DEBUG(5, ("do_lsa_sam_logoff: server credential check OK\n"));
/* ok, at last: we're happy. return the challenge */
memcpy(srv_cred, &(r_s.srv_creds), sizeof(r_s.srv_creds));
valid_cred = True;
}
else
{
DEBUG(5, ("do_lsa_sam_logoff: server credential check failed\n"));
}
}
}
if (rparam) free(rparam);
if (rdata) free(rdata);
return valid_cred;
}
#endif /* NTDOMAIN */