#include "includes.h"
#define PIPE "\\PIPE\\"
#define PIPELEN strlen(PIPE)
#define MAX_PIPE_NAME_LEN 24
#define PIPEDB_KEY_FORMAT "PIPE/%s/%u/%d"
struct pipe_dbrec {
struct process_id pid;
int pnum;
uid_t uid;
char name[MAX_PIPE_NAME_LEN];
fstring user;
};
extern struct pipe_id_info pipe_names[];
int reply_open_pipe_and_X(connection_struct *conn,
char *inbuf,char *outbuf,int length,int bufsize)
{
pstring fname;
pstring pipe_name;
uint16 vuid = SVAL(inbuf, smb_uid);
smb_np_struct *p;
int size=0,fmode=0,mtime=0,rmode=0;
int i;
srvstr_pull_buf(inbuf, pipe_name, smb_buf(inbuf), sizeof(pipe_name), STR_TERMINATE);
if ( strncmp(pipe_name,PIPE,PIPELEN) != 0 ) {
return(ERROR_DOS(ERRSRV,ERRaccess));
}
DEBUG(4,("Opening pipe %s.\n", pipe_name));
for( i = 0; pipe_names[i].client_pipe ; i++ ) {
if( strequal(pipe_name,pipe_names[i].client_pipe)) {
break;
}
}
if (pipe_names[i].client_pipe == NULL) {
return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
}
pstrcpy(fname, pipe_name + PIPELEN);
#if 0
if(should_fail_next_srvsvc_open(fname))
return(ERROR(ERRSRV,ERRaccess));
#endif
DEBUG(3,("Known pipe %s opening.\n",fname));
p = open_rpc_pipe_p(fname, conn, vuid);
if (!p) {
return(ERROR_DOS(ERRSRV,ERRnofids));
}
set_message(outbuf,15,0,True);
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);
srv_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);
}
int reply_pipe_write(char *inbuf,char *outbuf,int length,int dum_bufsize)
{
smb_np_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0);
uint16 vuid = SVAL(inbuf,smb_uid);
size_t numtowrite = SVAL(inbuf,smb_vwv1);
int nwritten;
int outsize;
char *data;
if (!p) {
return(ERROR_DOS(ERRDOS,ERRbadfid));
}
if (p->vuid != vuid) {
return ERROR_NT(NT_STATUS_INVALID_HANDLE);
}
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);
}
int reply_pipe_write_and_X(char *inbuf,char *outbuf,int length,int bufsize)
{
smb_np_struct *p = get_rpc_pipe_p(inbuf,smb_vwv2);
uint16 vuid = SVAL(inbuf,smb_uid);
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_DOS(ERRDOS,ERRbadfid));
}
if (p->vuid != vuid) {
return ERROR_NT(NT_STATUS_INVALID_HANDLE);
}
data = smb_base(inbuf) + smb_doff;
if (numtowrite == 0) {
nwritten = 0;
} else {
if(pipe_start_message_raw) {
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);
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);
}
int reply_pipe_read_and_X(char *inbuf,char *outbuf,int length,int bufsize)
{
smb_np_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;
BOOL unused;
#if 0
uint32 smb_offs = IVAL(inbuf,smb_vwv3);
#endif
if (!p) {
return(ERROR_DOS(ERRDOS,ERRbadfid));
}
set_message(outbuf,12,0,True);
data = smb_buf(outbuf);
nread = read_from_pipe(p, data, smb_maxcnt, &unused);
if (nread < 0) {
return(UNIXERROR(ERRDOS,ERRnoaccess));
}
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));
set_message_bcc(outbuf,nread);
return chain_reply(inbuf,outbuf,length,bufsize);
}
int reply_pipe_close(connection_struct *conn, char *inbuf,char *outbuf)
{
smb_np_struct *p = get_rpc_pipe_p(inbuf,smb_vwv0);
int outsize = set_message(outbuf,0,0,True);
if (!p) {
return(ERROR_DOS(ERRDOS,ERRbadfid));
}
DEBUG(5,("reply_pipe_close: pnum:%x\n", p->pnum));
if (!close_rpc_pipe_hnd(p)) {
return ERROR_DOS(ERRDOS,ERRbadfid);
}
return(outsize);
}