+#define OLD_NTDOMAIN 1
/*
Unix SMB/Netbios implementation.
Version 1.9.
Pipe SMB reply routines
- Copyright (C) Andrew Tridgell 1992-1997
+ Copyright (C) Andrew Tridgell 1992-1998
+ Copyright (C) Luke Kenneth Casson Leighton 1996-1998
+ Copyright (C) Paul Ashton 1997-1998.
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
#include "includes.h"
-#include "trans2.h"
#define PIPE "\\PIPE\\"
#define PIPELEN strlen(PIPE)
-#define REALLOC(ptr,size) Realloc(ptr,MAX((size),4*1024))
-
-/* look in server.c for some explanation of these variables */
-extern int Protocol;
extern int DEBUGLEVEL;
-extern int chain_fnum;
-extern char magic_char;
-extern connection_struct Connections[];
-extern files_struct Files[];
-extern BOOL case_sensitive;
-extern pstring sesssetup_user;
-extern int Client;
-extern fstring myworkgroup;
-
-/* this macro should always be used to extract an fnum (smb_fid) from
-a packet to ensure chaining works correctly */
-#define GETFNUM(buf,where) (chain_fnum!= -1?chain_fnum:SVAL(buf,where))
-
-char * known_pipes [] =
-{
- "lsarpc",
- NULL
-};
+
+extern struct pipe_id_info pipe_names[];
/****************************************************************************
reply to an open and X on a named pipe
- In fact what we do is to open a regular file with the same name in
- /tmp. This can then be closed as normal. Reading and writing won't
- make much sense, but will do *something*. The real reason for this
- support is to be able to do transactions on them (well, on lsarpc
- for domain login purposes...).
-
This code is basically stolen from reply_open_and_X with some
wrinkles to handle pipes.
****************************************************************************/
-int reply_open_pipe_and_X(char *inbuf,char *outbuf,int length,int bufsize)
+int reply_open_pipe_and_X(connection_struct *conn,
+ char *inbuf,char *outbuf,int length,int bufsize)
{
- pstring fname;
- int cnum = SVAL(inbuf,smb_tid);
- int fnum = -1;
- int smb_mode = SVAL(inbuf,smb_vwv3);
- int smb_attr = SVAL(inbuf,smb_vwv5);
+ pstring fname;
+ uint16 vuid = SVAL(inbuf, smb_uid);
+ pipes_struct *p;
+ int smb_ofun = SVAL(inbuf,smb_vwv8);
+ int size=0,fmode=0,mtime=0,rmode=0;
+ int i;
+
+ /* XXXX we need to handle passed times, sattr and flags */
+ pstrcpy(fname,smb_buf(inbuf));
+
+ /* If the name doesn't start \PIPE\ then this is directed */
+ /* at a mailslot or something we really, really don't understand, */
+ /* not just something we really don't understand. */
+ if ( strncmp(fname,PIPE,PIPELEN) != 0 )
+ return(ERROR(ERRSRV,ERRaccess));
+
+ DEBUG(4,("Opening pipe %s.\n", fname));
+
+ /* See if it is one we want to handle. */
+ for( i = 0; pipe_names[i].client_pipe ; i++ )
+ if( strequal(fname,pipe_names[i].client_pipe) )
+ break;
+
+ if (pipe_names[i].client_pipe == NULL)
+ return(ERROR(ERRSRV,ERRaccess));
+
+ /* Strip \PIPE\ off the name. */
+ pstrcpy(fname,smb_buf(inbuf) + PIPELEN);
+
#if 0
- int open_flags = SVAL(inbuf,smb_vwv2);
- int smb_sattr = SVAL(inbuf,smb_vwv4);
- uint32 smb_time = make_unix_date3(inbuf+smb_vwv6);
+ /*
+ * Hack for NT printers... JRA.
+ */
+ if(should_fail_next_srvsvc_open(fname))
+ return(ERROR(ERRSRV,ERRaccess));
#endif
- int smb_ofun = SVAL(inbuf,smb_vwv8);
- int unixmode;
- int size=0,fmode=0,mtime=0,rmode=0;
- struct stat sbuf;
- int smb_action = 0;
- int i;
- BOOL bad_path = False;
-
- /* XXXX we need to handle passed times, sattr and flags */
- strcpy(fname,smb_buf(inbuf));
-
- /* If the name doesn't start \PIPE\ then this is directed */
- /* at a mailslot or something we really, really don't understand, */
- /* not just something we really don't understand. */
- if ( strncmp(fname,PIPE,PIPELEN) != 0 )
- return(ERROR(ERRSRV,ERRaccess));
-
- DEBUG(4,("Opening pipe %s.\n", fname));
-
- /* Strip \PIPE\ off the name. */
- strcpy(fname,smb_buf(inbuf) + PIPELEN);
-
- /* See if it is one we want to handle. */
- for( i = 0; known_pipes[i] ; i++ )
- if( strcmp(fname,known_pipes[i]) == 0 )
- break;
-
- if ( known_pipes[i] == NULL )
- return(ERROR(ERRSRV,ERRaccess));
-
- /* Known pipes arrive with DIR attribs. Remove it so a regular file */
- /* can be opened and add it in after the open. */
- DEBUG(3,("Known pipe %s opening.\n",fname));
- smb_attr &= ~aDIR;
- Connections[cnum].read_only = 0;
- smb_ofun |= 0x10; /* Add Create it not exists flag */
-
- unix_convert(fname,cnum,0,&bad_path);
-
- fnum = find_free_file();
- if (fnum < 0)
- return(ERROR(ERRSRV,ERRnofids));
-
- if (!check_name(fname,cnum))
- return(UNIXERROR(ERRDOS,ERRnoaccess));
-
- unixmode = unix_mode(cnum,smb_attr);
-
- open_file_shared(fnum,cnum,fname,smb_mode,smb_ofun,unixmode,
- &rmode,&smb_action);
-
- if (!Files[fnum].open)
- {
- /* Change the error code if bad_path was set. */
- if((errno == ENOENT) && bad_path)
- {
- unix_ERR_class = ERRDOS;
- unix_ERR_code = ERRbadpath;
- }
- return(UNIXERROR(ERRDOS,ERRnoaccess));
- }
-
- if (fstat(Files[fnum].fd_ptr->fd,&sbuf) != 0) {
- close_file(fnum);
- return(ERROR(ERRDOS,ERRnoaccess));
- }
-
- size = sbuf.st_size;
- fmode = dos_mode(cnum,fname,&sbuf);
- mtime = sbuf.st_mtime;
- if (fmode & aDIR) {
- close_file(fnum);
- return(ERROR(ERRDOS,ERRnoaccess));
- }
-
- /* Prepare the reply */
- set_message(outbuf,15,0,True);
-
- /* Put things back the way they were. */
- Connections[cnum].read_only = 1;
-
- /* Mark the opened file as an existing named pipe in message mode. */
- SSVAL(outbuf,smb_vwv9,2);
- SSVAL(outbuf,smb_vwv10,0xc700);
- if (rmode == 2)
- {
- DEBUG(4,("Resetting open result to open from create.\n"));
- rmode = 1;
- }
-
- SSVAL(outbuf,smb_vwv2,fnum);
- SSVAL(outbuf,smb_vwv3,fmode);
- put_dos_date3(outbuf,smb_vwv4,mtime);
- SIVAL(outbuf,smb_vwv6,size);
- SSVAL(outbuf,smb_vwv8,rmode);
- SSVAL(outbuf,smb_vwv11,smb_action);
-
- chain_fnum = fnum;
-
- DEBUG(4,("Opened pipe %s with handle %d, saved name %s.\n",
- fname, fnum, Files[fnum].name));
-
- return chain_reply(inbuf,outbuf,length,bufsize);
+
+ /* Known pipes arrive with DIR attribs. Remove it so a regular file */
+ /* can be opened and add it in after the open. */
+ DEBUG(3,("Known pipe %s opening.\n",fname));
+ smb_ofun |= FILE_CREATE_IF_NOT_EXIST;
+
+ p = open_rpc_pipe_p(fname, conn, vuid);
+ if (!p) return(ERROR(ERRSRV,ERRnofids));
+
+ /* Prepare the reply */
+ set_message(outbuf,15,0,True);
+
+ /* Mark the opened file as an existing named pipe in message mode. */
+ SSVAL(outbuf,smb_vwv9,2);
+ SSVAL(outbuf,smb_vwv10,0xc700);
+
+ if (rmode == 2) {
+ DEBUG(4,("Resetting open result to open from create.\n"));
+ rmode = 1;
+ }
+
+ SSVAL(outbuf,smb_vwv2, p->pnum);
+ SSVAL(outbuf,smb_vwv3,fmode);
+ put_dos_date3(outbuf,smb_vwv4,mtime);
+ SIVAL(outbuf,smb_vwv6,size);
+ SSVAL(outbuf,smb_vwv8,rmode);
+ SSVAL(outbuf,smb_vwv11,0x0001);
+
+ return chain_reply(inbuf,outbuf,length,bufsize);
}
+/****************************************************************************
+ reply to a write on a pipe
+****************************************************************************/
+int reply_pipe_write(char *inbuf,char *outbuf,int length,int dum_bufsize)
+{
+ pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0);
+ size_t numtowrite = SVAL(inbuf,smb_vwv1);
+ int nwritten;
+ int outsize;
+ char *data;
+
+ if (!p)
+ return(ERROR(ERRDOS,ERRbadfid));
+
+ data = smb_buf(inbuf) + 3;
+
+ if (numtowrite == 0)
+ nwritten = 0;
+ else
+ nwritten = write_to_pipe(p, data, numtowrite);
+
+ if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0))
+ return (UNIXERROR(ERRDOS,ERRnoaccess));
+
+ outsize = set_message(outbuf,1,0,True);
+
+ SSVAL(outbuf,smb_vwv0,nwritten);
+
+ DEBUG(3,("write-IPC pnum=%04x nwritten=%d\n",
+ p->pnum, nwritten));
+
+ return(outsize);
+}
/****************************************************************************
- api_LsarpcSNPHS
+ Reply to a write and X.
- SetNamedPipeHandleState on \PIPE\lsarpc. We can't really do much here,
- so just blithely return True. This is really only for NT domain stuff,
- we we're only handling that - don't assume Samba now does complete
- named pipe handling.
+ This code is basically stolen from reply_write_and_X with some
+ wrinkles to handle pipes.
****************************************************************************/
-BOOL api_LsarpcSNPHS(int cnum,int uid, char *param,char *data,
- int mdrcnt,int mprcnt,
- char **rdata,char **rparam,
- int *rdata_len,int *rparam_len)
+
+int reply_pipe_write_and_X(char *inbuf,char *outbuf,int length,int bufsize)
{
- uint16 id;
+ pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv2);
+ size_t numtowrite = SVAL(inbuf,smb_vwv10);
+ int nwritten = -1;
+ int smb_doff = SVAL(inbuf, smb_vwv11);
+ BOOL pipe_start_message_raw = ((SVAL(inbuf, smb_vwv7) & (PIPE_START_MESSAGE|PIPE_RAW_MODE)) ==
+ (PIPE_START_MESSAGE|PIPE_RAW_MODE));
+ char *data;
+
+ if (!p)
+ return(ERROR(ERRDOS,ERRbadfid));
+
+ data = smb_base(inbuf) + smb_doff;
+
+ if (numtowrite == 0)
+ nwritten = 0;
+ else {
+ if(pipe_start_message_raw) {
+ /*
+ * For the start of a message in named pipe byte mode,
+ * the first two bytes are a length-of-pdu field. Ignore
+ * them (we don't trust the client. JRA.
+ */
+ if(numtowrite < 2) {
+ DEBUG(0,("reply_pipe_write_and_X: start of message set and not enough data sent.(%u)\n",
+ (unsigned int)numtowrite ));
+ return (UNIXERROR(ERRDOS,ERRnoaccess));
+ }
+
+ data += 2;
+ numtowrite -= 2;
+ }
+ nwritten = write_to_pipe(p, data, numtowrite);
+ }
+
+ if ((nwritten == 0 && numtowrite != 0) || (nwritten < 0))
+ return (UNIXERROR(ERRDOS,ERRnoaccess));
+
+ set_message(outbuf,6,0,True);
- id = param[0] + (param[1] << 8);
- DEBUG(4,("lsarpc SetNamedPipeHandleState to code %x\n",id));
- return(True);
-}
+ nwritten = (pipe_start_message_raw ? nwritten + 2 : nwritten);
+ SSVAL(outbuf,smb_vwv2,nwritten);
+
+ DEBUG(3,("writeX-IPC pnum=%04x nwritten=%d\n",
+ p->pnum, nwritten));
+ return chain_reply(inbuf,outbuf,length,bufsize);
+}
/****************************************************************************
- api_LsarpcTNP
+ reply to a read and X
- TransactNamedPipe on \PIPE\lsarpc.
+ This code is basically stolen from reply_read_and_X with some
+ wrinkles to handle pipes.
****************************************************************************/
-static void LsarpcTNP1(char *data,char **rdata, int *rdata_len)
+int reply_pipe_read_and_X(char *inbuf,char *outbuf,int length,int bufsize)
{
- uint32 dword1, dword2;
- char pname[] = "\\PIPE\\lsass";
+ pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv2);
+ int smb_maxcnt = SVAL(inbuf,smb_vwv5);
+ int smb_mincnt = SVAL(inbuf,smb_vwv6);
+ int nread = -1;
+ char *data;
+ /* we don't use the offset given to use for pipe reads. This
+ is deliberate, instead we always return the next lump of
+ data on the pipe */
+#if 0
+ uint32 smb_offs = IVAL(inbuf,smb_vwv3);
+#endif
- /* All kinds of mysterious numbers here */
- *rdata_len = 68;
- *rdata = REALLOC(*rdata,*rdata_len);
+ if (!p)
+ return(ERROR(ERRDOS,ERRbadfid));
- dword1 = IVAL(data,0xC);
- dword2 = IVAL(data,0x10);
+ set_message(outbuf,12,0,True);
+ data = smb_buf(outbuf);
- SIVAL(*rdata,0,0xc0005);
- SIVAL(*rdata,4,0x10);
- SIVAL(*rdata,8,0x44);
- SIVAL(*rdata,0xC,dword1);
+ nread = read_from_pipe(p, data, smb_maxcnt);
+
+ if (nread < 0)
+ return(UNIXERROR(ERRDOS,ERRnoaccess));
- SIVAL(*rdata,0x10,dword2);
- SIVAL(*rdata,0x14,0x15);
- SSVAL(*rdata,0x18,sizeof(pname));
- strcpy(*rdata + 0x1a,pname);
- SIVAL(*rdata,0x28,1);
- memcpy(*rdata + 0x30, data + 0x34, 0x14);
-}
+ SSVAL(outbuf,smb_vwv5,nread);
+ SSVAL(outbuf,smb_vwv6,smb_offset(data,outbuf));
+ SSVAL(smb_buf(outbuf),-2,nread);
+
+ DEBUG(3,("readX-IPC pnum=%04x min=%d max=%d nread=%d\n",
+ p->pnum, smb_mincnt, smb_maxcnt, nread));
-static void LsarpcTNP2(char *data,char **rdata, int *rdata_len)
-{
- uint32 dword1;
-
- /* All kinds of mysterious numbers here */
- *rdata_len = 48;
- *rdata = REALLOC(*rdata,*rdata_len);
-
- dword1 = IVAL(data,0xC);
-
- SIVAL(*rdata,0,0x03020005);
- SIVAL(*rdata,4,0x10);
- SIVAL(*rdata,8,0x30);
- SIVAL(*rdata,0xC,dword1);
- SIVAL(*rdata,0x10,0x18);
- SIVAL(*rdata,0x1c,0x44332211);
- SIVAL(*rdata,0x20,0x88776655);
- SIVAL(*rdata,0x24,0xCCBBAA99);
- SIVAL(*rdata,0x28,0x11FFEEDD);
+ return chain_reply(inbuf,outbuf,length,bufsize);
}
-static void LsarpcTNP3(char *data,char **rdata, int *rdata_len)
+/****************************************************************************
+ reply to a close
+****************************************************************************/
+int reply_pipe_close(connection_struct *conn, char *inbuf,char *outbuf)
{
- uint32 dword1;
- uint16 word1;
- char * workgroup = myworkgroup;
- int wglen = strlen(workgroup);
- int i;
-
- /* All kinds of mysterious numbers here */
- *rdata_len = 90 + 2 * wglen;
- *rdata = REALLOC(*rdata,*rdata_len);
-
- dword1 = IVAL(data,0xC);
- word1 = SVAL(data,0x2C);
-
- SIVAL(*rdata,0,0x03020005);
- SIVAL(*rdata,4,0x10);
- SIVAL(*rdata,8,0x60);
- SIVAL(*rdata,0xC,dword1);
- SIVAL(*rdata,0x10,0x48);
- SSVAL(*rdata,0x18,0x5988); /* This changes */
- SSVAL(*rdata,0x1A,0x15);
- SSVAL(*rdata,0x1C,word1);
- SSVAL(*rdata,0x20,6);
- SSVAL(*rdata,0x22,8);
- SSVAL(*rdata,0x24,0x8E8); /* So does this */
- SSVAL(*rdata,0x26,0x15);
- SSVAL(*rdata,0x28,0x4D48); /* And this */
- SSVAL(*rdata,0x2A,0x15);
- SIVAL(*rdata,0x2C,4);
- SIVAL(*rdata,0x34,wglen);
- for ( i = 0 ; i < wglen ; i++ )
- (*rdata)[0x38 + i * 2] = workgroup[i];
-
- /* Now fill in the rest */
- i = 0x38 + wglen * 2;
- SSVAL(*rdata,i,0x648);
- SIVAL(*rdata,i+2,4);
- SIVAL(*rdata,i+6,0x401);
- SSVAL(*rdata,i+0xC,0x500);
- SIVAL(*rdata,i+0xE,0x15);
- SIVAL(*rdata,i+0x12,0x2372FE1);
- SIVAL(*rdata,i+0x16,0x7E831BEF);
- SIVAL(*rdata,i+0x1A,0x4B454B2);
-}
+ pipes_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0);
+ int outsize = set_message(outbuf,0,0,True);
-static void LsarpcTNP4(char *data,char **rdata, int *rdata_len)
-{
- uint32 dword1;
+ if (!p)
+ return(ERROR(ERRDOS,ERRbadfid));
- /* All kinds of mysterious numbers here */
- *rdata_len = 48;
- *rdata = REALLOC(*rdata,*rdata_len);
+ DEBUG(5,("reply_pipe_close: pnum:%x\n", p->pnum));
- dword1 = IVAL(data,0xC);
+ if (!close_rpc_pipe_hnd(p, conn))
+ return(ERROR(ERRDOS,ERRbadfid));
- SIVAL(*rdata,0,0x03020005);
- SIVAL(*rdata,4,0x10);
- SIVAL(*rdata,8,0x30);
- SIVAL(*rdata,0xC,dword1);
- SIVAL(*rdata,0x10,0x18);
+ return(outsize);
}
-
-BOOL api_LsarpcTNP(int cnum,int uid, char *param,char *data,
- int mdrcnt,int mprcnt,
- char **rdata,char **rparam,
- int *rdata_len,int *rparam_len)
-{
- uint32 id,id2;
-
- id = IVAL(data,0);
-
- DEBUG(4,("lsarpc TransactNamedPipe id %lx\n",id));
- switch (id)
- {
- case 0xb0005:
- LsarpcTNP1(data,rdata,rdata_len);
- break;
-
- case 0x03000005:
- id2 = IVAL(data,8);
- DEBUG(4,("\t- Suboperation %lx\n",id2));
- switch (id2 & 0xF)
- {
- case 8:
- LsarpcTNP2(data,rdata,rdata_len);
- break;
-
- case 0xC:
- LsarpcTNP4(data,rdata,rdata_len);
- break;
-
- case 0xE:
- LsarpcTNP3(data,rdata,rdata_len);
- break;
- }
- break;
- }
- return(True);
-}
+#undef OLD_NTDOMAIN
git.samba.org / samba.git / blobdiff