2 Unix SMB/Netbios implementation.
4 Pipe SMB reply routines
5 Copyright (C) Andrew Tridgell 1992-1997,
6 Copyright (C) Luke Kenneth Casson Leighton 1996-1997.
7 Copyright (C) Paul Ashton 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
32 #define PIPE "\\PIPE\\"
33 #define PIPELEN strlen(PIPE)
35 #define REALLOC(ptr,size) Realloc(ptr,MAX((size),4*1024))
37 /* look in server.c for some explanation of these variables */
39 extern int DEBUGLEVEL;
40 extern int chain_fnum;
41 extern char magic_char;
42 extern connection_struct Connections[];
43 extern files_struct Files[];
44 extern BOOL case_sensitive;
45 extern pstring sesssetup_user;
47 extern fstring myworkgroup;
49 /* this macro should always be used to extract an fnum (smb_fid) from
50 a packet to ensure chaining works correctly */
51 #define GETFNUM(buf,where) (chain_fnum!= -1?chain_fnum:SVAL(buf,where))
53 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 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);
367 BOOL api_srvsvcTNP(int cnum,int uid, char *param,char *data,
368 int mdrcnt,int mprcnt,
369 char **rdata,char **rparam,
370 int *rdata_len,int *rparam_len)
375 extern pstring myname;
379 opnum = SVAL(data,22);
381 pkttype = CVAL(data, 2);
382 if (pkttype == 0x0b) /* RPC BIND */
384 DEBUG(4,("srvsvc rpc bind %x\n",pkttype));
385 LsarpcTNP1(data,rdata,rdata_len);
389 DEBUG(4,("srvsvc TransactNamedPipe op %x\n",opnum));
390 initrpcreply(data, *rdata);
391 DEBUG(4,("srvsvc LINE %d\n",__LINE__));
392 get_myname(myname,NULL);
398 q = skip_unicode_string(servername,1);
399 if (strlen(unistr(servername)) % 2 == 0)
401 level = IVAL(q, 0); q += 4;
402 /* ignore the rest for the moment */
404 SIVAL(q, 0, level); q += 4;
405 SIVAL(q, 0, 1); q += 4; /* switch value */
406 SIVAL(q, 0, 2); q += 4;
407 SIVAL(q, 0, 2); q += 4; /* number of entries */
408 SIVAL(q, 0, 2); q += 4;
409 endrpcreply(data, *rdata, q-*rdata, 0, rdata_len);
411 case NETSERVERGETINFO:
416 q = skip_unicode_string(servername,1);
417 if (strlen(unistr(servername)) % 2 == 0)
419 level = IVAL(q, 0); q += 4;
420 /* ignore the rest for the moment */
422 SIVAL(q, 0, 101); q += 4; /* switch value */
423 SIVAL(q, 0, 2); q += 4; /* bufptr */
424 SIVAL(q, 0, 0x1f4); q += 4; /* platform id */
425 SIVAL(q, 0, 2); q += 4; /* bufptr for name */
426 SIVAL(q, 0, 5); q += 4; /* major version */
427 SIVAL(q, 0, 4); q += 4; /* minor version == 5.4 */
428 SIVAL(q, 0, 0x4100B); q += 4; /* type */
429 SIVAL(q, 0, 2); q += 4; /* comment */
430 make_unistr2(&uni_str, myname, strlen(myname));
431 q = smb_io_unistr2(False, &uni_str, q, *rdata, 4, 0);
433 make_unistr2(&uni_str, lp_serverstring(), strlen(lp_serverstring()));
434 q = smb_io_unistr2(False, &uni_str, q, *rdata, 4, 0);
436 q = align_offset(q, *rdata, 4);
438 endrpcreply(data, *rdata, q-*rdata, 0, rdata_len);
442 DEBUG(4, ("srvsvc, unknown code: %lx\n", opnum));