2 Unix SMB/Netbios implementation.
4 Pipe SMB reply routines
5 Copyright (C) Andrew Tridgell 1992-1997,
7 Luke Kenneth Casson Leighton 1996-1997.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 This file handles reply_ calls on named pipes that the server
25 makes to handle specific protocols
33 #define PIPE "\\PIPE\\"
34 #define PIPELEN strlen(PIPE)
36 #define REALLOC(ptr,size) Realloc(ptr,MAX((size),4*1024))
38 /* look in server.c for some explanation of these variables */
40 extern int DEBUGLEVEL;
41 extern int chain_fnum;
42 extern char magic_char;
43 extern connection_struct Connections[];
44 extern files_struct Files[];
45 extern BOOL case_sensitive;
46 extern pstring sesssetup_user;
48 extern fstring myworkgroup;
50 /* this macro should always be used to extract an fnum (smb_fid) from
51 a packet to ensure chaining works correctly */
52 #define GETFNUM(buf,where) (chain_fnum!= -1?chain_fnum:SVAL(buf,where))
54 char * known_pipes [] =
63 /****************************************************************************
64 reply to an open and X on a named pipe
66 In fact what we do is to open a regular file with the same name in
67 /tmp. This can then be closed as normal. Reading and writing won't
68 make much sense, but will do *something*. The real reason for this
69 support is to be able to do transactions on them (well, on lsarpc
70 for domain login purposes...).
72 This code is basically stolen from reply_open_and_X with some
73 wrinkles to handle pipes.
74 ****************************************************************************/
75 int reply_open_pipe_and_X(char *inbuf,char *outbuf,int length,int bufsize)
78 int cnum = SVAL(inbuf,smb_tid);
80 int smb_mode = SVAL(inbuf,smb_vwv3);
81 int smb_attr = SVAL(inbuf,smb_vwv5);
83 int open_flags = SVAL(inbuf,smb_vwv2);
84 int smb_sattr = SVAL(inbuf,smb_vwv4);
85 uint32 smb_time = make_unix_date3(inbuf+smb_vwv6);
87 int smb_ofun = SVAL(inbuf,smb_vwv8);
89 int size=0,fmode=0,mtime=0,rmode=0;
93 BOOL bad_path = False;
95 /* XXXX we need to handle passed times, sattr and flags */
96 pstrcpy(fname,smb_buf(inbuf));
98 /* If the name doesn't start \PIPE\ then this is directed */
99 /* at a mailslot or something we really, really don't understand, */
100 /* not just something we really don't understand. */
101 if ( strncmp(fname,PIPE,PIPELEN) != 0 )
102 return(ERROR(ERRSRV,ERRaccess));
104 DEBUG(4,("Opening pipe %s.\n", fname));
106 /* Strip \PIPE\ off the name. */
107 pstrcpy(fname,smb_buf(inbuf) + PIPELEN);
109 /* See if it is one we want to handle. */
110 for( i = 0; known_pipes[i] ; i++ )
111 if( strcmp(fname,known_pipes[i]) == 0 )
114 if ( known_pipes[i] == NULL )
115 return(ERROR(ERRSRV,ERRaccess));
117 /* Known pipes arrive with DIR attribs. Remove it so a regular file */
118 /* can be opened and add it in after the open. */
119 DEBUG(3,("Known pipe %s opening.\n",fname));
121 Connections[cnum].read_only = 0;
122 smb_ofun |= 0x10; /* Add Create it not exists flag */
124 unix_convert(fname,cnum,0,&bad_path);
126 fnum = find_free_file();
128 return(ERROR(ERRSRV,ERRnofids));
130 if (!check_name(fname,cnum))
131 return(UNIXERROR(ERRDOS,ERRnoaccess));
133 unixmode = unix_mode(cnum,smb_attr);
135 open_file_shared(fnum,cnum,fname,smb_mode,smb_ofun,unixmode,
136 0, &rmode,&smb_action);
138 if (!Files[fnum].open)
140 /* Change the error code if bad_path was set. */
141 if((errno == ENOENT) && bad_path)
143 unix_ERR_class = ERRDOS;
144 unix_ERR_code = ERRbadpath;
146 return(UNIXERROR(ERRDOS,ERRnoaccess));
149 if (fstat(Files[fnum].fd_ptr->fd,&sbuf) != 0) {
151 return(ERROR(ERRDOS,ERRnoaccess));
155 fmode = dos_mode(cnum,fname,&sbuf);
156 mtime = sbuf.st_mtime;
159 return(ERROR(ERRDOS,ERRnoaccess));
162 /* Prepare the reply */
163 set_message(outbuf,15,0,True);
165 /* Put things back the way they were. */
166 Connections[cnum].read_only = 1;
168 /* Mark the opened file as an existing named pipe in message mode. */
169 SSVAL(outbuf,smb_vwv9,2);
170 SSVAL(outbuf,smb_vwv10,0xc700);
173 DEBUG(4,("Resetting open result to open from create.\n"));
177 SSVAL(outbuf,smb_vwv2,fnum);
178 SSVAL(outbuf,smb_vwv3,fmode);
179 put_dos_date3(outbuf,smb_vwv4,mtime);
180 SIVAL(outbuf,smb_vwv6,size);
181 SSVAL(outbuf,smb_vwv8,rmode);
182 SSVAL(outbuf,smb_vwv11,smb_action);
186 DEBUG(4,("Opened pipe %s with handle %d, saved name %s.\n",
187 fname, fnum, Files[fnum].name));
189 return chain_reply(inbuf,outbuf,length,bufsize);
193 /****************************************************************************
196 SetNamedPipeHandleState on \PIPE\lsarpc. We can't really do much here,
197 so just blithely return True. This is really only for NT domain stuff,
198 we we're only handling that - don't assume Samba now does complete
200 ****************************************************************************/
201 BOOL api_LsarpcSNPHS(int cnum,int uid, char *param,char *data,
202 int mdrcnt,int mprcnt,
203 char **rdata,char **rparam,
204 int *rdata_len,int *rparam_len)
208 id = param[0] + (param[1] << 8);
209 DEBUG(4,("lsarpc SetNamedPipeHandleState to code %x\n",id));
214 /****************************************************************************
217 TransactNamedPipe on \PIPE\lsarpc.
218 ****************************************************************************/
219 static void LsarpcTNP1(char *data,char **rdata, int *rdata_len)
221 uint32 dword1, dword2;
222 char pname[] = "\\PIPE\\lsass";
224 /* All kinds of mysterious numbers here */
226 *rdata = REALLOC(*rdata,*rdata_len);
228 dword1 = IVAL(data,0xC);
229 dword2 = IVAL(data,0x10);
231 SIVAL(*rdata,0,0xc0005);
232 SIVAL(*rdata,4,0x10);
233 SIVAL(*rdata,8,0x44);
234 SIVAL(*rdata,0xC,dword1);
236 SIVAL(*rdata,0x10,dword2);
237 SIVAL(*rdata,0x14,0x15);
238 SSVAL(*rdata,0x18,sizeof(pname));
239 strcpy(*rdata + 0x1a,pname);
240 SIVAL(*rdata,0x28,1);
241 memcpy(*rdata + 0x30, data + 0x34, 0x14);
244 static void LsarpcTNP2(char *data,char **rdata, int *rdata_len)
248 /* All kinds of mysterious numbers here */
250 *rdata = REALLOC(*rdata,*rdata_len);
252 dword1 = IVAL(data,0xC);
254 SIVAL(*rdata,0,0x03020005);
255 SIVAL(*rdata,4,0x10);
256 SIVAL(*rdata,8,0x30);
257 SIVAL(*rdata,0xC,dword1);
258 SIVAL(*rdata,0x10,0x18);
259 SIVAL(*rdata,0x1c,0x44332211);
260 SIVAL(*rdata,0x20,0x88776655);
261 SIVAL(*rdata,0x24,0xCCBBAA99);
262 SIVAL(*rdata,0x28,0x11FFEEDD);
265 static void LsarpcTNP3(char *data,char **rdata, int *rdata_len)
269 char * workgroup = myworkgroup;
270 int wglen = strlen(workgroup);
273 /* All kinds of mysterious numbers here */
274 *rdata_len = 90 + 2 * wglen;
275 *rdata = REALLOC(*rdata,*rdata_len);
277 dword1 = IVAL(data,0xC);
278 word1 = SVAL(data,0x2C);
280 SIVAL(*rdata,0,0x03020005);
281 SIVAL(*rdata,4,0x10);
282 SIVAL(*rdata,8,0x60);
283 SIVAL(*rdata,0xC,dword1);
284 SIVAL(*rdata,0x10,0x48);
285 SSVAL(*rdata,0x18,0x5988); /* This changes */
286 SSVAL(*rdata,0x1A,0x15);
287 SSVAL(*rdata,0x1C,word1);
288 SSVAL(*rdata,0x20,6);
289 SSVAL(*rdata,0x22,8);
290 SSVAL(*rdata,0x24,0x8E8); /* So does this */
291 SSVAL(*rdata,0x26,0x15);
292 SSVAL(*rdata,0x28,0x4D48); /* And this */
293 SSVAL(*rdata,0x2A,0x15);
294 SIVAL(*rdata,0x2C,4);
295 SIVAL(*rdata,0x34,wglen);
296 for ( i = 0 ; i < wglen ; i++ )
297 (*rdata)[0x38 + i * 2] = workgroup[i];
299 /* Now fill in the rest */
300 i = 0x38 + wglen * 2;
301 SSVAL(*rdata,i,0x648);
303 SIVAL(*rdata,i+6,0x401);
304 SSVAL(*rdata,i+0xC,0x500);
305 SIVAL(*rdata,i+0xE,0x15);
306 SIVAL(*rdata,i+0x12,0x2372FE1);
307 SIVAL(*rdata,i+0x16,0x7E831BEF);
308 SIVAL(*rdata,i+0x1A,0x4B454B2);
311 static void LsarpcTNP4(char *data,char **rdata, int *rdata_len)
315 /* All kinds of mysterious numbers here */
317 *rdata = REALLOC(*rdata,*rdata_len);
319 dword1 = IVAL(data,0xC);
321 SIVAL(*rdata,0,0x03020005);
322 SIVAL(*rdata,4,0x10);
323 SIVAL(*rdata,8,0x30);
324 SIVAL(*rdata,0xC,dword1);
325 SIVAL(*rdata,0x10,0x18);
329 BOOL api_LsarpcTNP(int cnum,int uid, char *param,char *data,
330 int mdrcnt,int mprcnt,
331 char **rdata,char **rparam,
332 int *rdata_len,int *rparam_len)
338 DEBUG(4,("lsarpc TransactNamedPipe id %lx\n",id));
342 LsarpcTNP1(data,rdata,rdata_len);
347 DEBUG(4,("\t- Suboperation %lx\n",id2));
351 LsarpcTNP2(data,rdata,rdata_len);
355 LsarpcTNP4(data,rdata,rdata_len);
359 LsarpcTNP3(data,rdata,rdata_len);
368 PAXX: Someone fix above.
369 The above API is indexing RPC calls based on RPC flags and
370 fragment length. I've decided to do it based on operation number :-)
373 /* BIG NOTE: this function only does SIDS where the identauth is not >= 2^32 */
374 /* identauth >= 2^32 can be detected because it will be specified in hex */
375 static void make_dom_sid(DOM_SID *sid, char *domsid)
380 DEBUG(4,("netlogon domain SID: %s\n", domsid));
382 /* assume, but should check, that domsid starts "S-" */
383 p = strtok(domsid+2,"-");
384 sid->sid_no = atoi(p);
386 /* identauth in decimal should be < 2^32 */
387 /* identauth in hex should be >= 2^32 */
388 identauth = atoi(strtok(0,"-"));
390 DEBUG(4,("netlogon rev %d\n", sid->sid_no));
391 DEBUG(4,("netlogon %s ia %d\n", p, identauth));
395 sid->id_auth[2] = (identauth & 0xff000000) >> 24;
396 sid->id_auth[3] = (identauth & 0x00ff0000) >> 16;
397 sid->id_auth[4] = (identauth & 0x0000ff00) >> 8;
398 sid->id_auth[5] = (identauth & 0x000000ff);
402 while ((p = strtok(0, "-")) != NULL)
404 sid->sub_auths[sid->num_auths++] = atoi(p);
408 static void create_rpc_reply(RPC_HDR *hdr, uint32 call_id, int data_len)
410 if (hdr == NULL) return;
412 hdr->major = 5; /* RPC version 5 */
413 hdr->minor = 0; /* minor version 0 */
414 hdr->pkt_type = 2; /* RPC response packet */
415 hdr->frag = 3; /* first frag + last frag */
416 hdr->pack_type = 1; /* packed data representation */
417 hdr->frag_len = data_len; /* fragment length, fill in later */
418 hdr->auth_len = 0; /* authentication length */
419 hdr->call_id = call_id; /* call identifier - match incoming RPC */
420 hdr->alloc_hint = data_len - 0x18; /* allocation hint (no idea) */
421 hdr->context_id = 0; /* presentation context identifier */
422 hdr->cancel_count = 0; /* cancel count */
423 hdr->reserved = 0; /* reserved */
426 static void make_rpc_reply(char *inbuf, char *q, char *base, int data_len)
428 uint32 callid = RIVAL(inbuf, 12);
431 create_rpc_reply(&hdr, callid, data_len);
432 smb_io_rpc_hdr(False, &hdr, q, base, 4);
435 static int lsa_reply_open_policy(char *q, char *base)
440 /* set up the LSA QUERY INFO response */
441 bzero(&(r_o.pol.data), POL_HND_SIZE);
444 /* store the response in the SMB stream */
445 q = lsa_io_r_open_pol(False, &r_o, q, base, 4);
447 /* return length of SMB data stored */
451 static void make_uni_hdr(UNIHDR *hdr, int max_len, int len, uint16 terminate)
453 hdr->uni_max_len = max_len;
454 hdr->uni_str_len = len;
455 hdr->undoc = terminate;
458 static void make_unistr2(UNISTR2 *str, char *buf, int len, char terminate)
460 /* set up string lengths. add one if string is not null-terminated */
461 str->uni_max_len = len + (terminate != 0 ? 1 : 0);
463 str->uni_str_len = len;
465 /* store the string (null-terminated copy) */
466 PutUniCode((char *)str->buffer, buf);
468 /* overwrite the last character: some strings are terminated with 4 not 0 */
469 str->buffer[len] = (uint16)terminate;
472 static void make_dom_query(DOM_QUERY *d_q, char *dom_name, char *dom_sid)
474 int domlen = strlen(dom_name);
476 d_q->uni_dom_max_len = domlen * 2;
478 d_q->uni_dom_str_len = domlen * 2;
480 d_q->buffer_dom_name = 0; /* domain buffer pointer */
481 d_q->buffer_dom_sid = 0; /* domain sid pointer */
483 /* NOT null-terminated: 4-terminated instead! */
484 make_unistr2(&(d_q->uni_domain_name), dom_name, domlen, 4);
486 make_dom_sid(&(d_q->dom_sid), dom_sid);
489 static int lsa_reply_query_info(LSA_Q_QUERY_INFO *q_q, char *q, char *base,
490 char *dom_name, char *dom_sid)
493 LSA_R_QUERY_INFO r_q;
495 /* set up the LSA QUERY INFO response */
497 r_q.undoc_buffer = 1; /* not null */
498 r_q.info_class = q_q->info_class;
500 make_dom_query(&r_q.dom.id5, dom_name, dom_sid);
504 /* store the response in the SMB stream */
505 q = lsa_io_r_query(False, &r_q, q, base, 4);
507 /* return length of SMB data stored */
511 static void make_lsa_r_req_chal(LSA_R_REQ_CHAL *r_c, char chal[8], int status)
513 memcpy(r_c->srv_chal.data, chal, sizeof(r_c->srv_chal.data));
514 r_c->status = status;
519 /* PAXX: set these to random values */
520 for (int i = 0; i < 8; i+++)
526 static int lsa_reply_req_chal(LSA_Q_REQ_CHAL *q_c, char *q, char *base,
532 /* set up the LSA REQUEST CHALLENGE response */
534 make_lsa_r_req_chal(&r_c, chal, 0);
536 /* store the response in the SMB stream */
537 q = lsa_io_r_req_chal(False, &r_c, q, base, 4);
539 /* return length of SMB data stored */
543 static void make_lsa_chal(DOM_CHAL *cred, char resp_cred[8])
545 memcpy(cred->data, resp_cred, sizeof(cred->data));
548 static void make_lsa_r_auth_2(LSA_R_AUTH_2 *r_a,
549 char resp_cred[8], NEG_FLAGS *flgs, int status)
551 make_lsa_chal(&(r_a->srv_chal), resp_cred);
552 memcpy(&(r_a->srv_flgs), flgs, sizeof(r_a->srv_flgs));
553 r_a->status = status;
556 static int lsa_reply_auth_2(LSA_Q_AUTH_2 *q_a, char *q, char *base,
557 char resp_cred[8], int status)
562 /* set up the LSA AUTH 2 response */
564 make_lsa_r_auth_2(&r_a, resp_cred, &(q_a->clnt_flgs), status);
566 /* store the response in the SMB stream */
567 q = lsa_io_r_auth_2(False, &r_a, q, base, 4);
569 /* return length of SMB data stored */
573 static void make_lsa_dom_chal(DOM_CRED *cred, char srv_chal[8], UTIME srv_time)
575 make_lsa_chal(&(cred->challenge), srv_chal);
576 cred->timestamp = srv_time;
580 static void make_lsa_r_srv_pwset(LSA_R_SRV_PWSET *r_a,
581 char srv_chal[8], UTIME srv_time, int status)
583 make_lsa_dom_chal(&(r_a->srv_cred), srv_chal, srv_time);
584 r_a->status = status;
587 static int lsa_reply_srv_pwset(LSA_Q_SRV_PWSET *q_s, char *q, char *base,
588 char srv_cred[8], UTIME srv_time,
594 /* set up the LSA Server Password Set response */
595 make_lsa_r_srv_pwset(&r_s, srv_cred, srv_time, status);
597 /* store the response in the SMB stream */
598 q = lsa_io_r_srv_pwset(False, &r_s, q, base, 4);
600 /* return length of SMB data stored */
604 static void make_lsa_user_info(LSA_USER_INFO *usr,
608 NTTIME *kickoff_time,
609 NTTIME *pass_last_set_time,
610 NTTIME *pass_can_change_time,
611 NTTIME *pass_must_change_time,
635 char *other_sids) /* space-delimited set of SIDs */
637 /* only cope with one "other" sid, right now. */
638 /* need to count the number of space-delimited sids */
640 int num_other_sids = other_sids != NULL ? 1 : 0;
642 int len_user_name = strlen(user_name );
643 int len_full_name = strlen(full_name );
644 int len_logon_script = strlen(logon_script);
645 int len_profile_path = strlen(profile_path);
646 int len_home_dir = strlen(home_dir );
647 int len_dir_drive = strlen(dir_drive );
649 int len_logon_srv = strlen(logon_srv);
650 int len_logon_dom = strlen(logon_dom);
652 usr->undoc_buffer = 1; /* yes, we're bothering to put USER_INFO data here */
654 usr->logon_time = *logon_time;
655 usr->logoff_time = *logoff_time;
656 usr->kickoff_time = *kickoff_time;
657 usr->pass_last_set_time = *pass_last_set_time;
658 usr->pass_can_change_time = *pass_can_change_time;
659 usr->pass_must_change_time = *pass_must_change_time;
661 make_uni_hdr(&(usr->hdr_user_name ), len_user_name , len_user_name , 4);
662 make_uni_hdr(&(usr->hdr_full_name ), len_full_name , len_full_name , 4);
663 make_uni_hdr(&(usr->hdr_logon_script), len_logon_script, len_logon_script, 4);
664 make_uni_hdr(&(usr->hdr_profile_path), len_profile_path, len_profile_path, 4);
665 make_uni_hdr(&(usr->hdr_home_dir ), len_home_dir , len_home_dir , 4);
666 make_uni_hdr(&(usr->hdr_dir_drive ), len_dir_drive , len_dir_drive , 4);
668 usr->logon_count = logon_count;
669 usr->bad_pw_count = bad_pw_count;
671 usr->user_id = user_id;
672 usr->group_id = group_id;
673 usr->num_groups = num_groups;
674 usr->buffer_groups = num_groups ? 1 : 0; /* yes, we're bothering to put group info in */
675 usr->user_flgs = user_flgs;
677 if (sess_key != NULL)
679 memcpy(usr->sess_key, sess_key, sizeof(usr->sess_key));
683 bzero(usr->sess_key, sizeof(usr->sess_key));
686 make_uni_hdr(&(usr->hdr_logon_srv), len_logon_srv, len_logon_srv, 4);
687 make_uni_hdr(&(usr->hdr_logon_dom), len_logon_dom, len_logon_dom, 4);
689 usr->buffer_dom_id = dom_sid ? 1 : 0; /* yes, we're bothering to put a domain SID in */
691 bzero(usr->padding, sizeof(usr->padding));
693 usr->num_other_sids = num_other_sids;
694 usr->buffer_other_sids = num_other_sids != 0 ? 1 : 0;
696 make_unistr2(&(usr->uni_user_name ), user_name , len_user_name , 0);
697 make_unistr2(&(usr->uni_full_name ), full_name , len_full_name , 0);
698 make_unistr2(&(usr->uni_logon_script), logon_script, len_logon_script, 0);
699 make_unistr2(&(usr->uni_profile_path), profile_path, len_profile_path, 0);
700 make_unistr2(&(usr->uni_home_dir ), home_dir , len_home_dir , 0);
701 make_unistr2(&(usr->uni_dir_drive ), dir_drive , len_dir_drive , 0);
703 usr->num_groups2 = num_groups;
704 for (i = 0; i < num_groups; i++)
706 usr->gids[i] = gids[i];
709 make_unistr2(&(usr->uni_logon_srv), logon_srv, len_logon_srv, 0);
710 make_unistr2(&(usr->uni_logon_dom), logon_dom, len_logon_dom, 0);
712 make_dom_sid(&(usr->dom_sid), dom_sid);
713 make_dom_sid(&(usr->other_sids[0]), other_sids);
717 static int lsa_reply_sam_logon(LSA_Q_SAM_LOGON *q_s, char *q, char *base,
718 char srv_cred[8], UTIME srv_time,
719 LSA_USER_INFO *user_info)
724 /* XXXX maybe we want to say 'no', reject the client's credentials */
725 r_s.buffer_creds = 1; /* yes, we have valid server credentials */
726 make_lsa_dom_chal(&(r_s.srv_creds), srv_cred, srv_time);
728 /* store the user information, if there is any. */
729 r_s.user = user_info;
730 r_s.buffer_user = user_info != NULL ? 1 : 0;
731 r_s.status = user_info != NULL ? 0 : (0xC000000|NT_STATUS_NO_SUCH_USER);
733 /* store the response in the SMB stream */
734 q = lsa_io_r_sam_logon(False, &r_s, q, base, 4);
736 /* return length of SMB data stored */
741 static int lsa_reply_sam_logoff(LSA_Q_SAM_LOGOFF *q_s, char *q, char *base,
742 char srv_cred[8], UTIME srv_time,
746 LSA_R_SAM_LOGOFF r_s;
748 /* XXXX maybe we want to say 'no', reject the client's credentials */
749 r_s.buffer_creds = 1; /* yes, we have valid server credentials */
750 make_lsa_dom_chal(&(r_s.srv_creds), srv_cred, srv_time);
754 /* store the response in the SMB stream */
755 q = lsa_io_r_sam_logoff(False, &r_s, q, base, 4);
757 /* return length of SMB data stored */