diff options
Diffstat (limited to 'source3/ntclientnet.c')
-rw-r--r-- | source3/ntclientnet.c | 481 |
1 files changed, 481 insertions, 0 deletions
diff --git a/source3/ntclientnet.c b/source3/ntclientnet.c new file mode 100644 index 0000000000..b89613f441 --- /dev/null +++ b/source3/ntclientnet.c @@ -0,0 +1,481 @@ +/* + 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. +*/ + +#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: %lx %lx\n", + desthost, myhostname, clnt_chal->data[0], clnt_chal->data[1])); + + /* 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, 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 %lx %lx neg: %lx\n", + logon_srv, acct_name, sec_chan, comp_name, + clnt_chal->data[0], clnt_chal->data[1], 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, 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 SAM Logon +****************************************************************************/ +BOOL do_lsa_sam_logon(uint16 fnum, uint32 call_id, + uint32 sess_key[2], 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 %lx %lx %lx rtn: %lx %lx %lx ll: %d\n", + logon_srv, comp_name, + clnt_cred->challenge.data[0], clnt_cred->challenge.data[1], clnt_cred->timestamp.time, + rtn_cred ->challenge.data[0], rtn_cred ->challenge.data[1], 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, 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, + uint32 sess_key[2], 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 %lx %lx %lx rtn: %lx %lx %lx ll: %d\n", + logon_srv, comp_name, + clnt_cred->challenge.data[0], clnt_cred->challenge.data[1], clnt_cred->timestamp.time, + rtn_cred ->challenge.data[0], rtn_cred ->challenge.data[1], 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, 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 */ |