extern int max_send;
-extern fstring local_machine;
-
#define NERR_notsupported 50
extern int smb_read_error;
Send a trans reply.
****************************************************************************/
-void send_trans_reply(char *outbuf,
- char *rparam, int rparam_len,
- char *rdata, int rdata_len,
- BOOL buffer_too_large)
+void send_trans_reply(const char *inbuf,
+ char *outbuf,
+ char *rparam,
+ int rparam_len,
+ char *rdata,
+ int rdata_len,
+ BOOL buffer_too_large)
{
int this_ldata,this_lparam;
int tot_data_sent = 0;
align = ((this_lparam)%4);
if (buffer_too_large) {
- ERROR_NT(STATUS_BUFFER_OVERFLOW);
+ ERROR_BOTH(STATUS_BUFFER_OVERFLOW,ERRDOS,ERRmoredata);
}
- set_message(outbuf,10,1+align+this_ldata+this_lparam,True);
+ set_message(inbuf,outbuf,10,1+align+this_ldata+this_lparam,True);
copy_trans_params_and_data(outbuf, align,
- rparam, tot_param_sent, this_lparam,
- rdata, tot_data_sent, this_ldata);
+ rparam, tot_param_sent, this_lparam,
+ rdata, tot_data_sent, this_ldata);
SSVAL(outbuf,smb_vwv0,lparam);
SSVAL(outbuf,smb_vwv1,ldata);
show_msg(outbuf);
if (!send_smb(smbd_server_fd(),outbuf))
- exit_server("send_trans_reply: send_smb failed.");
+ exit_server_cleanly("send_trans_reply: send_smb failed.");
tot_data_sent = this_ldata;
tot_param_sent = this_lparam;
align = (this_lparam%4);
- set_message(outbuf,10,1+this_ldata+this_lparam+align,False);
+ set_message(inbuf,outbuf,10,1+this_ldata+this_lparam+align,False);
copy_trans_params_and_data(outbuf, align,
- rparam, tot_param_sent, this_lparam,
- rdata, tot_data_sent, this_ldata);
-
+ rparam, tot_param_sent, this_lparam,
+ rdata, tot_data_sent, this_ldata);
+
SSVAL(outbuf,smb_vwv3,this_lparam);
SSVAL(outbuf,smb_vwv4,smb_offset(smb_buf(outbuf)+1,outbuf));
SSVAL(outbuf,smb_vwv5,tot_param_sent);
show_msg(outbuf);
if (!send_smb(smbd_server_fd(),outbuf))
- exit_server("send_trans_reply: send_smb failed.");
+ exit_server_cleanly("send_trans_reply: send_smb failed.");
tot_data_sent += this_ldata;
tot_param_sent += this_lparam;
Start the first part of an RPC reply which began with an SMBtrans request.
****************************************************************************/
-static BOOL api_rpc_trans_reply(char *outbuf, smb_np_struct *p)
+static BOOL api_rpc_trans_reply(const char *inbuf,
+ char *outbuf,
+ smb_np_struct *p)
{
BOOL is_data_outstanding;
- char *rdata = malloc(p->max_trans_reply);
+ char *rdata = (char *)SMB_MALLOC(p->max_trans_reply);
int data_len;
if(rdata == NULL) {
return False;
}
- send_trans_reply(outbuf, NULL, 0, rdata, data_len, is_data_outstanding);
+ send_trans_reply(inbuf, outbuf, NULL, 0, rdata, data_len, is_data_outstanding);
SAFE_FREE(rdata);
return True;
WaitNamedPipeHandleState
****************************************************************************/
-static BOOL api_WNPHS(char *outbuf, smb_np_struct *p, char *param, int param_len)
+static BOOL api_WNPHS(const char *inbuf,
+ char *outbuf,
+ smb_np_struct *p,
+ char *param,
+ int param_len)
{
uint16 priority;
if (wait_rpc_pipe_hnd_state(p, priority)) {
/* now send the reply */
- send_trans_reply(outbuf, NULL, 0, NULL, 0, False);
+ send_trans_reply(inbuf, outbuf, NULL, 0, NULL, 0, False);
return True;
}
return False;
SetNamedPipeHandleState
****************************************************************************/
-static BOOL api_SNPHS(char *outbuf, smb_np_struct *p, char *param, int param_len)
+static BOOL api_SNPHS(const char *inbuf,
+ char *outbuf,
+ smb_np_struct *p,
+ char *param,
+ int param_len)
{
uint16 id;
if (set_rpc_pipe_hnd_state(p, id)) {
/* now send the reply */
- send_trans_reply(outbuf, NULL, 0, NULL, 0, False);
+ send_trans_reply(inbuf, outbuf, NULL, 0, NULL, 0, False);
return True;
}
return False;
When no reply is generated, indicate unsupported.
****************************************************************************/
-static BOOL api_no_reply(char *outbuf, int max_rdata_len)
+static BOOL api_no_reply(const char *inbuf, char *outbuf, int max_rdata_len)
{
char rparam[4];
DEBUG(3,("Unsupported API fd command\n"));
/* now send the reply */
- send_trans_reply(outbuf, rparam, 4, NULL, 0, False);
+ send_trans_reply(inbuf, outbuf, rparam, 4, NULL, 0, False);
return -1;
}
Handle remote api calls delivered to a named pipe already opened.
****************************************************************************/
-static int api_fd_reply(connection_struct *conn,uint16 vuid,char *outbuf,
- uint16 *setup,char *data,char *params,
- int suwcnt,int tdscnt,int tpscnt,int mdrcnt,int mprcnt)
+static int api_fd_reply(connection_struct *conn,
+ uint16 vuid,
+ const char *inbuf,
+ char *outbuf,
+ uint16 *setup,
+ char *data,
+ char *params,
+ int suwcnt,
+ int tdscnt,
+ int tpscnt,
+ int mdrcnt,
+ int mprcnt)
{
BOOL reply = False;
smb_np_struct *p = NULL;
/* First find out the name of this file. */
if (suwcnt != 2) {
DEBUG(0,("Unexpected named pipe transaction.\n"));
- return(-1);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
/* Get the file handle and hence the file name. */
subcommand = ((int)setup[0]) & 0xFFFF;
if(!(p = get_rpc_pipe(pnum))) {
+ if (subcommand == TRANSACT_WAITNAMEDPIPEHANDLESTATE) {
+ /* Win9x does this call with a unicode pipe name, not a pnum. */
+ /* Just return success for now... */
+ DEBUG(3,("Got TRANSACT_WAITNAMEDPIPEHANDLESTATE on text pipe name\n"));
+ send_trans_reply(inbuf, outbuf, NULL, 0, NULL, 0, False);
+ return -1;
+ }
+
DEBUG(1,("api_fd_reply: INVALID PIPE HANDLE: %x\n", pnum));
- return api_no_reply(outbuf, mdrcnt);
+ return ERROR_NT(NT_STATUS_INVALID_HANDLE);
+ }
+
+ if (vuid != p->vuid) {
+ DEBUG(1, ("Got pipe request (pnum %x) using invalid VUID %d, "
+ "expected %d\n", pnum, vuid, p->vuid));
+ return ERROR_NT(NT_STATUS_INVALID_HANDLE);
}
- DEBUG(3,("Got API command 0x%x on pipe \"%s\" (pnum %x)", subcommand, p->name, pnum));
+ DEBUG(3,("Got API command 0x%x on pipe \"%s\" (pnum %x)\n", subcommand, p->name, pnum));
/* record maximum data length that can be transmitted in an SMBtrans */
p->max_trans_reply = mdrcnt;
/* dce/rpc command */
reply = write_to_pipe(p, data, tdscnt);
if (reply)
- reply = api_rpc_trans_reply(outbuf, p);
+ reply = api_rpc_trans_reply(inbuf, outbuf, p);
break;
case TRANSACT_WAITNAMEDPIPEHANDLESTATE:
/* Wait Named Pipe Handle state */
- reply = api_WNPHS(outbuf, p, params, tpscnt);
+ reply = api_WNPHS(inbuf, outbuf, p, params, tpscnt);
break;
case TRANSACT_SETNAMEDPIPEHANDLESTATE:
/* Set Named Pipe Handle state */
- reply = api_SNPHS(outbuf, p, params, tpscnt);
+ reply = api_SNPHS(inbuf, outbuf, p, params, tpscnt);
break;
+ default:
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
if (!reply)
- return api_no_reply(outbuf, mdrcnt);
+ return api_no_reply(inbuf, outbuf, mdrcnt);
return -1;
}
/****************************************************************************
- handle named pipe commands
- ****************************************************************************/
-static int named_pipe(connection_struct *conn,uint16 vuid, char *outbuf,char *name,
- uint16 *setup,char *data,char *params,
- int suwcnt,int tdscnt,int tpscnt,
- int msrcnt,int mdrcnt,int mprcnt)
+ Handle named pipe commands.
+****************************************************************************/
+
+static int named_pipe(connection_struct *conn,
+ uint16 vuid,
+ const char *inbuf,
+ char *outbuf,
+ char *name,
+ uint16 *setup,
+ char *data,
+ char *params,
+ int suwcnt,
+ int tdscnt,
+ int tpscnt,
+ int msrcnt,
+ int mdrcnt,
+ int mprcnt)
{
DEBUG(3,("named pipe command on <%s> name\n", name));
- if (strequal(name,"LANMAN"))
- return api_reply(conn,vuid,outbuf,data,params,tdscnt,tpscnt,mdrcnt,mprcnt);
+ if (strequal(name,"LANMAN")) {
+ return api_reply(conn,
+ vuid,
+ inbuf,
+ outbuf,
+ data,
+ params,
+ tdscnt,
+ tpscnt,
+ mdrcnt,
+ mprcnt);
+ }
if (strequal(name,"WKSSVC") ||
strequal(name,"SRVSVC") ||
strequal(name,"WINREG") ||
strequal(name,"SAMR") ||
- strequal(name,"LSARPC"))
- {
+ strequal(name,"LSARPC")) {
DEBUG(4,("named pipe command from Win95 (wow!)\n"));
- return api_fd_reply(conn,vuid,outbuf,setup,data,params,suwcnt,tdscnt,tpscnt,mdrcnt,mprcnt);
+ return api_fd_reply(conn,
+ vuid,
+ inbuf,
+ outbuf,
+ setup,
+ data,
+ params,
+ suwcnt,
+ tdscnt,
+ tpscnt,
+ mdrcnt,
+ mprcnt);
}
- if (strlen(name) < 1)
- return api_fd_reply(conn,vuid,outbuf,setup,data,params,suwcnt,tdscnt,tpscnt,mdrcnt,mprcnt);
+ if (strlen(name) < 1) {
+ return api_fd_reply(conn,
+ vuid,
+ inbuf,
+ outbuf,
+ setup,
+ data,
+ params,
+ suwcnt,
+ tdscnt,
+ tpscnt,
+ mdrcnt,
+ mprcnt);
+ }
if (setup)
DEBUG(3,("unknown named pipe: setup 0x%X setup1=%d\n", (int)setup[0],(int)setup[1]));
return 0;
}
+static NTSTATUS handle_trans(connection_struct *conn,
+ struct trans_state *state,
+ const char *inbuf,
+ char *outbuf,
+ int *outsize)
+{
+ char *local_machine_name;
+ int name_offset = 0;
+
+ DEBUG(3,("trans <%s> data=%u params=%u setup=%u\n",
+ state->name,(unsigned int)state->total_data,(unsigned int)state->total_param,
+ (unsigned int)state->setup_count));
+
+ /*
+ * WinCE wierdness....
+ */
+
+ local_machine_name = talloc_asprintf(state, "\\%s\\",
+ get_local_machine_name());
+
+ if (local_machine_name == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (strnequal(state->name, local_machine_name,
+ strlen(local_machine_name))) {
+ name_offset = strlen(local_machine_name)-1;
+ }
+
+ if (!strnequal(&state->name[name_offset], "\\PIPE",
+ strlen("\\PIPE"))) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ name_offset += strlen("\\PIPE");
+
+ /* Win9x weirdness. When talking to a unicode server Win9x
+ only sends \PIPE instead of \PIPE\ */
+
+ if (state->name[name_offset] == '\\')
+ name_offset++;
+
+ DEBUG(5,("calling named_pipe\n"));
+ *outsize = named_pipe(conn,
+ state->vuid,
+ inbuf,
+ outbuf,
+ state->name+name_offset,
+ state->setup,state->data,
+ state->param,
+ state->setup_count,state->total_data,
+ state->total_param,
+ state->max_setup_return,
+ state->max_data_return,
+ state->max_param_return);
+
+ if (*outsize == 0) {
+ return NT_STATUS_NOT_SUPPORTED;
+ }
+
+ if (state->close_on_completion)
+ close_cnum(conn,state->vuid);
+
+ return NT_STATUS_OK;
+}
/****************************************************************************
Reply to a SMBtrans.
****************************************************************************/
-int reply_trans(connection_struct *conn, char *inbuf,char *outbuf, int size, int bufsize)
+int reply_trans(connection_struct *conn,
+ char *inbuf,
+ char *outbuf,
+ int size,
+ int bufsize)
{
- fstring name;
- int name_offset = 0;
- char *data=NULL,*params=NULL;
- uint16 *setup=NULL;
int outsize = 0;
- uint16 vuid = SVAL(inbuf,smb_uid);
- unsigned int tpscnt = SVAL(inbuf,smb_vwv0);
- unsigned int tdscnt = SVAL(inbuf,smb_vwv1);
- unsigned int mprcnt = SVAL(inbuf,smb_vwv2);
- unsigned int mdrcnt = SVAL(inbuf,smb_vwv3);
- unsigned int msrcnt = CVAL(inbuf,smb_vwv4);
- BOOL close_on_completion = BITSETW(inbuf+smb_vwv5,0);
- BOOL one_way = BITSETW(inbuf+smb_vwv5,1);
- unsigned int pscnt = SVAL(inbuf,smb_vwv9);
- unsigned int psoff = SVAL(inbuf,smb_vwv10);
- unsigned int dscnt = SVAL(inbuf,smb_vwv11);
- unsigned int dsoff = SVAL(inbuf,smb_vwv12);
- unsigned int suwcnt = CVAL(inbuf,smb_vwv13);
+ unsigned int dsoff = SVAL(inbuf, smb_dsoff);
+ unsigned int dscnt = SVAL(inbuf, smb_dscnt);
+ unsigned int psoff = SVAL(inbuf, smb_psoff);
+ unsigned int pscnt = SVAL(inbuf, smb_pscnt);
+ struct trans_state *state;
+ NTSTATUS result;
+
START_PROFILE(SMBtrans);
- memset(name, '\0',sizeof(name));
- srvstr_pull_buf(inbuf, name, smb_buf(inbuf), sizeof(name), STR_TERMINATE);
+ result = allow_new_trans(conn->pending_trans, SVAL(inbuf, smb_mid));
+ if (!NT_STATUS_IS_OK(result)) {
+ DEBUG(2, ("Got invalid trans request: %s\n",
+ nt_errstr(result)));
+ END_PROFILE(SMBtrans);
+ return ERROR_NT(result);
+ }
- if (dscnt > tdscnt || pscnt > tpscnt)
+ if ((state = TALLOC_P(conn->mem_ctx, struct trans_state)) == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ END_PROFILE(SMBtrans);
+ return ERROR_NT(NT_STATUS_NO_MEMORY);
+ }
+
+ state->cmd = SMBtrans;
+
+ state->mid = SVAL(inbuf, smb_mid);
+ state->vuid = SVAL(inbuf, smb_uid);
+ state->setup_count = CVAL(inbuf, smb_suwcnt);
+ state->setup = NULL;
+ state->total_param = SVAL(inbuf, smb_tpscnt);
+ state->param = NULL;
+ state->total_data = SVAL(inbuf, smb_tdscnt);
+ state->data = NULL;
+ state->max_param_return = SVAL(inbuf, smb_mprcnt);
+ state->max_data_return = SVAL(inbuf, smb_mdrcnt);
+ state->max_setup_return = CVAL(inbuf, smb_msrcnt);
+ state->close_on_completion = BITSETW(inbuf+smb_vwv5,0);
+ state->one_way = BITSETW(inbuf+smb_vwv5,1);
+
+ memset(state->name, '\0',sizeof(state->name));
+ srvstr_pull_buf(inbuf, state->name, smb_buf(inbuf),
+ sizeof(state->name), STR_TERMINATE);
+
+ if ((dscnt > state->total_data) || (pscnt > state->total_param))
goto bad_param;
-
- if (tdscnt) {
- if((data = (char *)malloc(tdscnt)) == NULL) {
- DEBUG(0,("reply_trans: data malloc fail for %u bytes !\n", tdscnt));
+
+ if (state->total_data) {
+ /* Can't use talloc here, the core routines do realloc on the
+ * params and data. Out of paranoia, 100 bytes too many. */
+ state->data = (char *)SMB_MALLOC(state->total_data+100);
+ if (state->data == NULL) {
+ DEBUG(0,("reply_trans: data malloc fail for %u "
+ "bytes !\n", (unsigned int)state->total_data));
+ TALLOC_FREE(state);
END_PROFILE(SMBtrans);
return(ERROR_DOS(ERRDOS,ERRnomem));
}
+ /* null-terminate the slack space */
+ memset(&state->data[state->total_data], 0, 100);
if ((dsoff+dscnt < dsoff) || (dsoff+dscnt < dscnt))
goto bad_param;
- if (smb_base(inbuf)+dsoff+dscnt > inbuf + size)
+ if ((smb_base(inbuf)+dsoff+dscnt > inbuf + size) ||
+ (smb_base(inbuf)+dsoff+dscnt < smb_base(inbuf)))
goto bad_param;
- memcpy(data,smb_base(inbuf)+dsoff,dscnt);
+ memcpy(state->data,smb_base(inbuf)+dsoff,dscnt);
}
- if (tpscnt) {
- if((params = (char *)malloc(tpscnt)) == NULL) {
- DEBUG(0,("reply_trans: param malloc fail for %u bytes !\n", tpscnt));
- SAFE_FREE(data);
+ if (state->total_param) {
+ /* Can't use talloc here, the core routines do realloc on the
+ * params and data. Out of paranoia, 100 bytes too many */
+ state->param = (char *)SMB_MALLOC(state->total_param+100);
+ if (state->param == NULL) {
+ DEBUG(0,("reply_trans: param malloc fail for %u "
+ "bytes !\n", (unsigned int)state->total_param));
+ SAFE_FREE(state->data);
+ TALLOC_FREE(state);
END_PROFILE(SMBtrans);
return(ERROR_DOS(ERRDOS,ERRnomem));
}
+ /* null-terminate the slack space */
+ memset(&state->param[state->total_param], 0, 100);
if ((psoff+pscnt < psoff) || (psoff+pscnt < pscnt))
- goto bad_param;
- if (smb_base(inbuf)+psoff+pscnt > inbuf + size)
+ goto bad_param;
+ if ((smb_base(inbuf)+psoff+pscnt > inbuf + size) ||
+ (smb_base(inbuf)+psoff+pscnt < smb_base(inbuf)))
goto bad_param;
- memcpy(params,smb_base(inbuf)+psoff,pscnt);
+ memcpy(state->param,smb_base(inbuf)+psoff,pscnt);
}
- if (suwcnt) {
+ state->received_data = dscnt;
+ state->received_param = pscnt;
+
+ if (state->setup_count) {
unsigned int i;
- if((setup = (uint16 *)malloc(suwcnt*sizeof(uint16))) == NULL) {
- DEBUG(0,("reply_trans: setup malloc fail for %u bytes !\n", (unsigned int)(suwcnt * sizeof(uint16))));
- SAFE_FREE(data);
- SAFE_FREE(params);
+ if((state->setup = TALLOC_ARRAY(
+ state, uint16, state->setup_count)) == NULL) {
+ DEBUG(0,("reply_trans: setup malloc fail for %u "
+ "bytes !\n", (unsigned int)
+ (state->setup_count * sizeof(uint16))));
+ TALLOC_FREE(state);
END_PROFILE(SMBtrans);
return(ERROR_DOS(ERRDOS,ERRnomem));
}
- if (inbuf+smb_vwv14+(suwcnt*SIZEOFWORD) > inbuf + size)
+ if (inbuf+smb_vwv14+(state->setup_count*SIZEOFWORD) >
+ inbuf + size)
goto bad_param;
- if ((smb_vwv14+(suwcnt*SIZEOFWORD) < smb_vwv14) || (smb_vwv14+(suwcnt*SIZEOFWORD) < (suwcnt*SIZEOFWORD)))
+ if ((smb_vwv14+(state->setup_count*SIZEOFWORD) < smb_vwv14) ||
+ (smb_vwv14+(state->setup_count*SIZEOFWORD) <
+ (state->setup_count*SIZEOFWORD)))
goto bad_param;
- for (i=0;i<suwcnt;i++)
- setup[i] = SVAL(inbuf,smb_vwv14+i*SIZEOFWORD);
+ for (i=0;i<state->setup_count;i++)
+ state->setup[i] = SVAL(inbuf,smb_vwv14+i*SIZEOFWORD);
}
+ state->received_param = pscnt;
- if (pscnt < tpscnt || dscnt < tdscnt) {
- /* We need to send an interim response then receive the rest
- of the parameter/data bytes */
- outsize = set_message(outbuf,0,0,True);
- show_msg(outbuf);
- if (!send_smb(smbd_server_fd(),outbuf))
- exit_server("reply_trans: send_smb failed.");
- }
+ if ((state->received_param == state->total_param) &&
+ (state->received_data == state->total_data)) {
+
+ result = handle_trans(conn, state, inbuf, outbuf, &outsize);
+
+ SAFE_FREE(state->data);
+ SAFE_FREE(state->param);
+ TALLOC_FREE(state);
- /* receive the rest of the trans packet */
- while (pscnt < tpscnt || dscnt < tdscnt) {
- BOOL ret;
- unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
-
- ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
-
- if ((ret && (CVAL(inbuf, smb_com) != SMBtranss)) || !ret) {
- if(ret) {
- DEBUG(0,("reply_trans: Invalid secondary trans packet\n"));
- } else {
- DEBUG(0,("reply_trans: %s in getting secondary trans response.\n",
- (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
- }
- SAFE_FREE(params);
- SAFE_FREE(data);
- SAFE_FREE(setup);
+ if (!NT_STATUS_IS_OK(result)) {
END_PROFILE(SMBtrans);
- return(ERROR_DOS(ERRSRV,ERRerror));
+ return ERROR_NT(result);
}
- show_msg(inbuf);
-
- /* Revise total_params and total_data in case they have changed downwards */
- if (SVAL(inbuf,smb_vwv0) < tpscnt)
- tpscnt = SVAL(inbuf,smb_vwv0);
- if (SVAL(inbuf,smb_vwv1) < tdscnt)
- tdscnt = SVAL(inbuf,smb_vwv1);
-
- pcnt = SVAL(inbuf,smb_vwv2);
- poff = SVAL(inbuf,smb_vwv3);
- pdisp = SVAL(inbuf,smb_vwv4);
-
- dcnt = SVAL(inbuf,smb_vwv5);
- doff = SVAL(inbuf,smb_vwv6);
- ddisp = SVAL(inbuf,smb_vwv7);
-
- pscnt += pcnt;
- dscnt += dcnt;
-
- if (dscnt > tdscnt || pscnt > tpscnt)
- goto bad_param;
-
- if (pcnt) {
- if (pdisp+pcnt >= tpscnt)
- goto bad_param;
- if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
- goto bad_param;
- if (smb_base(inbuf) + poff + pcnt >= inbuf + bufsize)
- goto bad_param;
- if (params + pdisp < params)
- goto bad_param;
-
- memcpy(params+pdisp,smb_base(inbuf)+poff,pcnt);
+ if (outsize == 0) {
+ END_PROFILE(SMBtrans);
+ return ERROR_NT(NT_STATUS_INTERNAL_ERROR);
}
- if (dcnt) {
- if (ddisp+dcnt >= tdscnt)
- goto bad_param;
- if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
- goto bad_param;
- if (smb_base(inbuf) + doff + dcnt >= inbuf + bufsize)
- goto bad_param;
- if (data + ddisp < data)
- goto bad_param;
-
- memcpy(data+ddisp,smb_base(inbuf)+doff,dcnt);
+ END_PROFILE(SMBtrans);
+ return outsize;
+ }
+
+ DLIST_ADD(conn->pending_trans, state);
+
+ /* We need to send an interim response then receive the rest
+ of the parameter/data bytes */
+ outsize = set_message(inbuf,outbuf,0,0,True);
+ show_msg(outbuf);
+ END_PROFILE(SMBtrans);
+ return outsize;
+
+ bad_param:
+
+ DEBUG(0,("reply_trans: invalid trans parameters\n"));
+ SAFE_FREE(state->data);
+ SAFE_FREE(state->param);
+ TALLOC_FREE(state);
+ END_PROFILE(SMBtrans);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+}
+
+/****************************************************************************
+ Reply to a secondary SMBtrans.
+ ****************************************************************************/
+
+int reply_transs(connection_struct *conn, char *inbuf,char *outbuf,
+ int size, int bufsize)
+{
+ int outsize = 0;
+ unsigned int pcnt,poff,dcnt,doff,pdisp,ddisp;
+ struct trans_state *state;
+ NTSTATUS result;
+
+ START_PROFILE(SMBtranss);
+
+ show_msg(inbuf);
+
+ for (state = conn->pending_trans; state != NULL;
+ state = state->next) {
+ if (state->mid == SVAL(inbuf,smb_mid)) {
+ break;
}
}
-
-
- DEBUG(3,("trans <%s> data=%u params=%u setup=%u\n",
- name,tdscnt,tpscnt,suwcnt));
-
- /*
- * WinCE wierdness....
- */
- if (name[0] == '\\' && (StrnCaseCmp(&name[1],local_machine, strlen(local_machine)) == 0) &&
- (name[strlen(local_machine)+1] == '\\'))
- name_offset = strlen(local_machine)+1;
+ if ((state == NULL) || (state->cmd != SMBtrans)) {
+ END_PROFILE(SMBtranss);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
- if (strnequal(&name[name_offset], "\\PIPE", strlen("\\PIPE"))) {
- name_offset += strlen("\\PIPE");
+ /* Revise total_params and total_data in case they have changed
+ * downwards */
- /* Win9x weirdness. When talking to a unicode server Win9x
- only sends \PIPE instead of \PIPE\ */
+ if (SVAL(inbuf, smb_vwv0) < state->total_param)
+ state->total_param = SVAL(inbuf,smb_vwv0);
+ if (SVAL(inbuf, smb_vwv1) < state->total_data)
+ state->total_data = SVAL(inbuf,smb_vwv1);
- if (name[name_offset] == '\\')
- name_offset++;
+ pcnt = SVAL(inbuf, smb_spscnt);
+ poff = SVAL(inbuf, smb_spsoff);
+ pdisp = SVAL(inbuf, smb_spsdisp);
- DEBUG(5,("calling named_pipe\n"));
- outsize = named_pipe(conn,vuid,outbuf,
- name+name_offset,setup,data,params,
- suwcnt,tdscnt,tpscnt,msrcnt,mdrcnt,mprcnt);
- } else {
- DEBUG(3,("invalid pipe name\n"));
- outsize = 0;
+ dcnt = SVAL(inbuf, smb_sdscnt);
+ doff = SVAL(inbuf, smb_sdsoff);
+ ddisp = SVAL(inbuf, smb_sdsdisp);
+
+ state->received_param += pcnt;
+ state->received_data += dcnt;
+
+ if ((state->received_data > state->total_data) ||
+ (state->received_param > state->total_param))
+ goto bad_param;
+
+ if (pcnt) {
+ if (pdisp+pcnt > state->total_param)
+ goto bad_param;
+ if ((pdisp+pcnt < pdisp) || (pdisp+pcnt < pcnt))
+ goto bad_param;
+ if (pdisp > state->total_param)
+ goto bad_param;
+ if ((smb_base(inbuf) + poff + pcnt > inbuf + size) ||
+ (smb_base(inbuf) + poff + pcnt < smb_base(inbuf)))
+ goto bad_param;
+ if (state->param + pdisp < state->param)
+ goto bad_param;
+
+ memcpy(state->param+pdisp,smb_base(inbuf)+poff,
+ pcnt);
}
-
- SAFE_FREE(data);
- SAFE_FREE(params);
- SAFE_FREE(setup);
-
- if (close_on_completion)
- close_cnum(conn,vuid);
+ if (dcnt) {
+ if (ddisp+dcnt > state->total_data)
+ goto bad_param;
+ if ((ddisp+dcnt < ddisp) || (ddisp+dcnt < dcnt))
+ goto bad_param;
+ if (ddisp > state->total_data)
+ goto bad_param;
+ if ((smb_base(inbuf) + doff + dcnt > inbuf + size) ||
+ (smb_base(inbuf) + doff + dcnt < smb_base(inbuf)))
+ goto bad_param;
+ if (state->data + ddisp < state->data)
+ goto bad_param;
- if (one_way) {
- END_PROFILE(SMBtrans);
- return(-1);
+ memcpy(state->data+ddisp, smb_base(inbuf)+doff,
+ dcnt);
}
-
- if (outsize == 0) {
- END_PROFILE(SMBtrans);
+
+ if ((state->received_param < state->total_param) ||
+ (state->received_data < state->total_data)) {
+ END_PROFILE(SMBtranss);
+ return -1;
+ }
+
+ /* construct_reply_common has done us the favor to pre-fill the
+ * command field with SMBtranss which is wrong :-)
+ */
+ SCVAL(outbuf,smb_com,SMBtrans);
+
+ result = handle_trans(conn, state, inbuf, outbuf, &outsize);
+
+ DLIST_REMOVE(conn->pending_trans, state);
+ SAFE_FREE(state->data);
+ SAFE_FREE(state->param);
+ TALLOC_FREE(state);
+
+ if ((outsize == 0) || !NT_STATUS_IS_OK(result)) {
+ END_PROFILE(SMBtranss);
return(ERROR_DOS(ERRSRV,ERRnosupport));
}
- END_PROFILE(SMBtrans);
+ END_PROFILE(SMBtranss);
return(outsize);
-
bad_param:
- DEBUG(0,("reply_trans: invalid trans parameters\n"));
- SAFE_FREE(data);
- SAFE_FREE(params);
- SAFE_FREE(setup);
- END_PROFILE(SMBtrans);
+ DEBUG(0,("reply_transs: invalid trans parameters\n"));
+ DLIST_REMOVE(conn->pending_trans, state);
+ SAFE_FREE(state->data);
+ SAFE_FREE(state->param);
+ TALLOC_FREE(state);
+ END_PROFILE(SMBtranss);
return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
}
git.samba.org / tprouty / samba.git / blobdiff