--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ client transaction calls
+ Copyright (C) Andrew Tridgell 1994-1998
+
+ 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
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "includes.h"
+
+
+/****************************************************************************
+ Send a SMB trans or trans2 request.
+****************************************************************************/
+
+BOOL cli_send_trans(struct cli_state *cli, int trans,
+ const char *pipe_name,
+ int fid, int flags,
+ uint16 *setup, unsigned int lsetup, unsigned int msetup,
+ const char *param, unsigned int lparam, unsigned int mparam,
+ const char *data, unsigned int ldata, unsigned int mdata)
+{
+ unsigned int i;
+ unsigned int this_ldata,this_lparam;
+ unsigned int tot_data=0,tot_param=0;
+ char *outdata,*outparam;
+ char *p;
+ int pipe_name_len=0;
+ uint16 mid;
+
+ this_lparam = MIN(lparam,cli->max_xmit - (500+lsetup*2)); /* hack */
+ this_ldata = MIN(ldata,cli->max_xmit - (500+lsetup*2+this_lparam));
+
+ memset(cli->outbuf,'\0',smb_size);
+ set_message(cli->outbuf,14+lsetup,0,True);
+ SCVAL(cli->outbuf,smb_com,trans);
+ SSVAL(cli->outbuf,smb_tid, cli->cnum);
+ cli_setup_packet(cli);
+
+ /*
+ * Save the mid we're using. We need this for finding
+ * signing replies.
+ */
+
+ mid = cli->mid;
+
+ if (pipe_name) {
+ pipe_name_len = clistr_push(cli, smb_buf(cli->outbuf), pipe_name, -1, STR_TERMINATE);
+ }
+
+ outparam = smb_buf(cli->outbuf)+(trans==SMBtrans ? pipe_name_len : 3);
+ outdata = outparam+this_lparam;
+
+ /* primary request */
+ SSVAL(cli->outbuf,smb_tpscnt,lparam); /* tpscnt */
+ SSVAL(cli->outbuf,smb_tdscnt,ldata); /* tdscnt */
+ SSVAL(cli->outbuf,smb_mprcnt,mparam); /* mprcnt */
+ SSVAL(cli->outbuf,smb_mdrcnt,mdata); /* mdrcnt */
+ SCVAL(cli->outbuf,smb_msrcnt,msetup); /* msrcnt */
+ SSVAL(cli->outbuf,smb_flags,flags); /* flags */
+ SIVAL(cli->outbuf,smb_timeout,0); /* timeout */
+ SSVAL(cli->outbuf,smb_pscnt,this_lparam); /* pscnt */
+ SSVAL(cli->outbuf,smb_psoff,smb_offset(outparam,cli->outbuf)); /* psoff */
+ SSVAL(cli->outbuf,smb_dscnt,this_ldata); /* dscnt */
+ SSVAL(cli->outbuf,smb_dsoff,smb_offset(outdata,cli->outbuf)); /* dsoff */
+ SCVAL(cli->outbuf,smb_suwcnt,lsetup); /* suwcnt */
+ for (i=0;i<lsetup;i++) /* setup[] */
+ SSVAL(cli->outbuf,smb_setup+i*2,setup[i]);
+ p = smb_buf(cli->outbuf);
+ if (trans != SMBtrans) {
+ *p++ = 0; /* put in a null smb_name */
+ *p++ = 'D'; *p++ = ' '; /* observed in OS/2 */
+ }
+ if (this_lparam) /* param[] */
+ memcpy(outparam,param,this_lparam);
+ if (this_ldata) /* data[] */
+ memcpy(outdata,data,this_ldata);
+ cli_setup_bcc(cli, outdata+this_ldata);
+
+ show_msg(cli->outbuf);
+
+ if (!cli_send_smb(cli)) {
+ return False;
+ }
+
+ if (this_ldata < ldata || this_lparam < lparam) {
+ /* receive interim response */
+ if (!cli_receive_smb(cli) || cli_is_error(cli)) {
+ return(False);
+ }
+
+ tot_data = this_ldata;
+ tot_param = this_lparam;
+
+ while (tot_data < ldata || tot_param < lparam) {
+ this_lparam = MIN(lparam-tot_param,cli->max_xmit - 500); /* hack */
+ this_ldata = MIN(ldata-tot_data,cli->max_xmit - (500+this_lparam));
+
+ set_message(cli->outbuf,trans==SMBtrans?8:9,0,True);
+ SCVAL(cli->outbuf,smb_com,(trans==SMBtrans ? SMBtranss : SMBtranss2));
+
+ outparam = smb_buf(cli->outbuf);
+ outdata = outparam+this_lparam;
+
+ /* secondary request */
+ SSVAL(cli->outbuf,smb_tpscnt,lparam); /* tpscnt */
+ SSVAL(cli->outbuf,smb_tdscnt,ldata); /* tdscnt */
+ SSVAL(cli->outbuf,smb_spscnt,this_lparam); /* pscnt */
+ SSVAL(cli->outbuf,smb_spsoff,smb_offset(outparam,cli->outbuf)); /* psoff */
+ SSVAL(cli->outbuf,smb_spsdisp,tot_param); /* psdisp */
+ SSVAL(cli->outbuf,smb_sdscnt,this_ldata); /* dscnt */
+ SSVAL(cli->outbuf,smb_sdsoff,smb_offset(outdata,cli->outbuf)); /* dsoff */
+ SSVAL(cli->outbuf,smb_sdsdisp,tot_data); /* dsdisp */
+ if (trans==SMBtrans2)
+ SSVALS(cli->outbuf,smb_sfid,fid); /* fid */
+ if (this_lparam) /* param[] */
+ memcpy(outparam,param+tot_param,this_lparam);
+ if (this_ldata) /* data[] */
+ memcpy(outdata,data+tot_data,this_ldata);
+ cli_setup_bcc(cli, outdata+this_ldata);
+
+ /*
+ * Save the mid we're using. We need this for finding
+ * signing replies.
+ */
+ mid = cli->mid;
+
+ show_msg(cli->outbuf);
+ if (!cli_send_smb(cli)) {
+ return False;
+ }
+
+ /* Ensure we use the same mid for the secondaries. */
+ cli->mid = mid;
+
+ tot_data += this_ldata;
+ tot_param += this_lparam;
+ }
+ }
+
+ /* Note we're in a trans state. Save the sequence
+ * numbers for replies. */
+
+ cli_signing_trans_start(cli, mid);
+ return(True);
+}
+
+/****************************************************************************
+ Receive a SMB trans or trans2 response allocating the necessary memory.
+****************************************************************************/
+
+BOOL cli_receive_trans(struct cli_state *cli,int trans,
+ char **param, unsigned int *param_len,
+ char **data, unsigned int *data_len)
+{
+ unsigned int total_data=0;
+ unsigned int total_param=0;
+ unsigned int this_data,this_param;
+ NTSTATUS status;
+ char *tdata;
+ char *tparam;
+
+ *data_len = *param_len = 0;
+
+ if (!cli_receive_smb(cli)) {
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ show_msg(cli->inbuf);
+
+ /* sanity check */
+ if (CVAL(cli->inbuf,smb_com) != trans) {
+ DEBUG(0,("Expected %s response, got command 0x%02x\n",
+ trans==SMBtrans?"SMBtrans":"SMBtrans2",
+ CVAL(cli->inbuf,smb_com)));
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+
+ /*
+ * An NT RPC pipe call can return ERRDOS, ERRmoredata
+ * to a trans call. This is not an error and should not
+ * be treated as such. Note that STATUS_NO_MORE_FILES is
+ * returned when a trans2 findfirst/next finishes.
+ */
+ status = cli_nt_error(cli);
+
+ if (NT_STATUS_IS_ERR(status) || NT_STATUS_EQUAL(status,STATUS_NO_MORE_FILES)) {
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ /* parse out the lengths */
+ total_data = SVAL(cli->inbuf,smb_tdrcnt);
+ total_param = SVAL(cli->inbuf,smb_tprcnt);
+
+ /* allocate it */
+ if (total_data!=0) {
+ tdata = SMB_REALLOC(*data,total_data);
+ if (!tdata) {
+ DEBUG(0,("cli_receive_trans: failed to enlarge data buffer\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+ else
+ *data = tdata;
+ }
+
+ if (total_param!=0) {
+ tparam = SMB_REALLOC(*param,total_param);
+ if (!tparam) {
+ DEBUG(0,("cli_receive_trans: failed to enlarge param buffer\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+ else
+ *param = tparam;
+ }
+
+ for (;;) {
+ this_data = SVAL(cli->inbuf,smb_drcnt);
+ this_param = SVAL(cli->inbuf,smb_prcnt);
+
+ if (this_data + *data_len > total_data ||
+ this_param + *param_len > total_param) {
+ DEBUG(1,("Data overflow in cli_receive_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ if (this_data + *data_len < this_data ||
+ this_data + *data_len < *data_len ||
+ this_param + *param_len < this_param ||
+ this_param + *param_len < *param_len) {
+ DEBUG(1,("Data overflow in cli_receive_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ if (this_data) {
+ unsigned int data_offset_out = SVAL(cli->inbuf,smb_drdisp);
+ unsigned int data_offset_in = SVAL(cli->inbuf,smb_droff);
+
+ if (data_offset_out > total_data ||
+ data_offset_out + this_data > total_data ||
+ data_offset_out + this_data < data_offset_out ||
+ data_offset_out + this_data < this_data) {
+ DEBUG(1,("Data overflow in cli_receive_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+ if (data_offset_in > cli->bufsize ||
+ data_offset_in + this_data > cli->bufsize ||
+ data_offset_in + this_data < data_offset_in ||
+ data_offset_in + this_data < this_data) {
+ DEBUG(1,("Data overflow in cli_receive_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ memcpy(*data + data_offset_out, smb_base(cli->inbuf) + data_offset_in, this_data);
+ }
+ if (this_param) {
+ unsigned int param_offset_out = SVAL(cli->inbuf,smb_prdisp);
+ unsigned int param_offset_in = SVAL(cli->inbuf,smb_proff);
+
+ if (param_offset_out > total_param ||
+ param_offset_out + this_param > total_param ||
+ param_offset_out + this_param < param_offset_out ||
+ param_offset_out + this_param < this_param) {
+ DEBUG(1,("Param overflow in cli_receive_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+ if (param_offset_in > cli->bufsize ||
+ param_offset_in + this_param > cli->bufsize ||
+ param_offset_in + this_param < param_offset_in ||
+ param_offset_in + this_param < this_param) {
+ DEBUG(1,("Param overflow in cli_receive_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ memcpy(*param + param_offset_out, smb_base(cli->inbuf) + param_offset_in, this_param);
+ }
+ *data_len += this_data;
+ *param_len += this_param;
+
+ if (total_data <= *data_len && total_param <= *param_len)
+ break;
+
+ if (!cli_receive_smb(cli)) {
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ show_msg(cli->inbuf);
+
+ /* sanity check */
+ if (CVAL(cli->inbuf,smb_com) != trans) {
+ DEBUG(0,("Expected %s response, got command 0x%02x\n",
+ trans==SMBtrans?"SMBtrans":"SMBtrans2",
+ CVAL(cli->inbuf,smb_com)));
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+ if (NT_STATUS_IS_ERR(cli_nt_error(cli))) {
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+
+ /* parse out the total lengths again - they can shrink! */
+ if (SVAL(cli->inbuf,smb_tdrcnt) < total_data)
+ total_data = SVAL(cli->inbuf,smb_tdrcnt);
+ if (SVAL(cli->inbuf,smb_tprcnt) < total_param)
+ total_param = SVAL(cli->inbuf,smb_tprcnt);
+
+ if (total_data <= *data_len && total_param <= *param_len)
+ break;
+
+ }
+
+ cli_signing_trans_stop(cli);
+ return(True);
+}
+
+/****************************************************************************
+ Send a SMB nttrans request.
+****************************************************************************/
+
+BOOL cli_send_nt_trans(struct cli_state *cli,
+ int function,
+ int flags,
+ uint16 *setup, unsigned int lsetup, unsigned int msetup,
+ char *param, unsigned int lparam, unsigned int mparam,
+ char *data, unsigned int ldata, unsigned int mdata)
+{
+ unsigned int i;
+ unsigned int this_ldata,this_lparam;
+ unsigned int tot_data=0,tot_param=0;
+ uint16 mid;
+ char *outdata,*outparam;
+
+ this_lparam = MIN(lparam,cli->max_xmit - (500+lsetup*2)); /* hack */
+ this_ldata = MIN(ldata,cli->max_xmit - (500+lsetup*2+this_lparam));
+
+ memset(cli->outbuf,'\0',smb_size);
+ set_message(cli->outbuf,19+lsetup,0,True);
+ SCVAL(cli->outbuf,smb_com,SMBnttrans);
+ SSVAL(cli->outbuf,smb_tid, cli->cnum);
+ cli_setup_packet(cli);
+
+ /*
+ * Save the mid we're using. We need this for finding
+ * signing replies.
+ */
+
+ mid = cli->mid;
+
+ outparam = smb_buf(cli->outbuf)+3;
+ outdata = outparam+this_lparam;
+
+ /* primary request */
+ SCVAL(cli->outbuf,smb_nt_MaxSetupCount,msetup);
+ SCVAL(cli->outbuf,smb_nt_Flags,flags);
+ SIVAL(cli->outbuf,smb_nt_TotalParameterCount, lparam);
+ SIVAL(cli->outbuf,smb_nt_TotalDataCount, ldata);
+ SIVAL(cli->outbuf,smb_nt_MaxParameterCount, mparam);
+ SIVAL(cli->outbuf,smb_nt_MaxDataCount, mdata);
+ SIVAL(cli->outbuf,smb_nt_ParameterCount, this_lparam);
+ SIVAL(cli->outbuf,smb_nt_ParameterOffset, smb_offset(outparam,cli->outbuf));
+ SIVAL(cli->outbuf,smb_nt_DataCount, this_ldata);
+ SIVAL(cli->outbuf,smb_nt_DataOffset, smb_offset(outdata,cli->outbuf));
+ SIVAL(cli->outbuf,smb_nt_SetupCount, lsetup);
+ SIVAL(cli->outbuf,smb_nt_Function, function);
+ for (i=0;i<lsetup;i++) /* setup[] */
+ SSVAL(cli->outbuf,smb_nt_SetupStart+i*2,setup[i]);
+
+ if (this_lparam) /* param[] */
+ memcpy(outparam,param,this_lparam);
+ if (this_ldata) /* data[] */
+ memcpy(outdata,data,this_ldata);
+
+ cli_setup_bcc(cli, outdata+this_ldata);
+
+ show_msg(cli->outbuf);
+ if (!cli_send_smb(cli)) {
+ return False;
+ }
+
+ if (this_ldata < ldata || this_lparam < lparam) {
+ /* receive interim response */
+ if (!cli_receive_smb(cli) || cli_is_error(cli)) {
+ return(False);
+ }
+
+ tot_data = this_ldata;
+ tot_param = this_lparam;
+
+ while (tot_data < ldata || tot_param < lparam) {
+ this_lparam = MIN(lparam-tot_param,cli->max_xmit - 500); /* hack */
+ this_ldata = MIN(ldata-tot_data,cli->max_xmit - (500+this_lparam));
+
+ set_message(cli->outbuf,18,0,True);
+ SCVAL(cli->outbuf,smb_com,SMBnttranss);
+
+ /* XXX - these should probably be aligned */
+ outparam = smb_buf(cli->outbuf);
+ outdata = outparam+this_lparam;
+
+ /* secondary request */
+ SIVAL(cli->outbuf,smb_nts_TotalParameterCount,lparam);
+ SIVAL(cli->outbuf,smb_nts_TotalDataCount,ldata);
+ SIVAL(cli->outbuf,smb_nts_ParameterCount,this_lparam);
+ SIVAL(cli->outbuf,smb_nts_ParameterOffset,smb_offset(outparam,cli->outbuf));
+ SIVAL(cli->outbuf,smb_nts_ParameterDisplacement,tot_param);
+ SIVAL(cli->outbuf,smb_nts_DataCount,this_ldata);
+ SIVAL(cli->outbuf,smb_nts_DataOffset,smb_offset(outdata,cli->outbuf));
+ SIVAL(cli->outbuf,smb_nts_DataDisplacement,tot_data);
+ if (this_lparam) /* param[] */
+ memcpy(outparam,param+tot_param,this_lparam);
+ if (this_ldata) /* data[] */
+ memcpy(outdata,data+tot_data,this_ldata);
+ cli_setup_bcc(cli, outdata+this_ldata);
+
+ /*
+ * Save the mid we're using. We need this for finding
+ * signing replies.
+ */
+ mid = cli->mid;
+
+ show_msg(cli->outbuf);
+
+ if (!cli_send_smb(cli)) {
+ return False;
+ }
+
+ /* Ensure we use the same mid for the secondaries. */
+ cli->mid = mid;
+
+ tot_data += this_ldata;
+ tot_param += this_lparam;
+ }
+ }
+
+ /* Note we're in a trans state. Save the sequence
+ * numbers for replies. */
+
+ cli_signing_trans_start(cli, mid);
+ return(True);
+}
+
+/****************************************************************************
+ Receive a SMB nttrans response allocating the necessary memory.
+****************************************************************************/
+
+BOOL cli_receive_nt_trans(struct cli_state *cli,
+ char **param, unsigned int *param_len,
+ char **data, unsigned int *data_len)
+{
+ unsigned int total_data=0;
+ unsigned int total_param=0;
+ unsigned int this_data,this_param;
+ uint8 eclass;
+ uint32 ecode;
+ char *tdata;
+ char *tparam;
+
+ *data_len = *param_len = 0;
+
+ if (!cli_receive_smb(cli)) {
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ show_msg(cli->inbuf);
+
+ /* sanity check */
+ if (CVAL(cli->inbuf,smb_com) != SMBnttrans) {
+ DEBUG(0,("Expected SMBnttrans response, got command 0x%02x\n",
+ CVAL(cli->inbuf,smb_com)));
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+
+ /*
+ * An NT RPC pipe call can return ERRDOS, ERRmoredata
+ * to a trans call. This is not an error and should not
+ * be treated as such.
+ */
+ if (cli_is_dos_error(cli)) {
+ cli_dos_error(cli, &eclass, &ecode);
+ if (!(eclass == ERRDOS && ecode == ERRmoredata)) {
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+ }
+
+ /*
+ * Likewise for NT_STATUS_BUFFER_TOO_SMALL
+ */
+ if (cli_is_nt_error(cli)) {
+ if (!NT_STATUS_EQUAL(cli_nt_error(cli),
+ NT_STATUS_BUFFER_TOO_SMALL)) {
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+ }
+
+ /* parse out the lengths */
+ total_data = SVAL(cli->inbuf,smb_ntr_TotalDataCount);
+ total_param = SVAL(cli->inbuf,smb_ntr_TotalParameterCount);
+
+ /* allocate it */
+ if (total_data) {
+ tdata = SMB_REALLOC(*data,total_data);
+ if (!tdata) {
+ DEBUG(0,("cli_receive_nt_trans: failed to enlarge data buffer to %d\n",total_data));
+ cli_signing_trans_stop(cli);
+ return False;
+ } else {
+ *data = tdata;
+ }
+ }
+
+ if (total_param) {
+ tparam = SMB_REALLOC(*param,total_param);
+ if (!tparam) {
+ DEBUG(0,("cli_receive_nt_trans: failed to enlarge param buffer to %d\n", total_param));
+ cli_signing_trans_stop(cli);
+ return False;
+ } else {
+ *param = tparam;
+ }
+ }
+
+ while (1) {
+ this_data = SVAL(cli->inbuf,smb_ntr_DataCount);
+ this_param = SVAL(cli->inbuf,smb_ntr_ParameterCount);
+
+ if (this_data + *data_len > total_data ||
+ this_param + *param_len > total_param) {
+ DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ if (this_data + *data_len < this_data ||
+ this_data + *data_len < *data_len ||
+ this_param + *param_len < this_param ||
+ this_param + *param_len < *param_len) {
+ DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ if (this_data) {
+ unsigned int data_offset_out = SVAL(cli->inbuf,smb_ntr_DataDisplacement);
+ unsigned int data_offset_in = SVAL(cli->inbuf,smb_ntr_DataOffset);
+
+ if (data_offset_out > total_data ||
+ data_offset_out + this_data > total_data ||
+ data_offset_out + this_data < data_offset_out ||
+ data_offset_out + this_data < this_data) {
+ DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+ if (data_offset_in > cli->bufsize ||
+ data_offset_in + this_data > cli->bufsize ||
+ data_offset_in + this_data < data_offset_in ||
+ data_offset_in + this_data < this_data) {
+ DEBUG(1,("Data overflow in cli_receive_nt_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ memcpy(*data + data_offset_out, smb_base(cli->inbuf) + data_offset_in, this_data);
+ }
+
+ if (this_param) {
+ unsigned int param_offset_out = SVAL(cli->inbuf,smb_ntr_ParameterDisplacement);
+ unsigned int param_offset_in = SVAL(cli->inbuf,smb_ntr_ParameterOffset);
+
+ if (param_offset_out > total_param ||
+ param_offset_out + this_param > total_param ||
+ param_offset_out + this_param < param_offset_out ||
+ param_offset_out + this_param < this_param) {
+ DEBUG(1,("Param overflow in cli_receive_nt_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+ if (param_offset_in > cli->bufsize ||
+ param_offset_in + this_param > cli->bufsize ||
+ param_offset_in + this_param < param_offset_in ||
+ param_offset_in + this_param < this_param) {
+ DEBUG(1,("Param overflow in cli_receive_nt_trans\n"));
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ memcpy(*param + param_offset_out, smb_base(cli->inbuf) + param_offset_in, this_param);
+ }
+
+ *data_len += this_data;
+ *param_len += this_param;
+
+ if (total_data <= *data_len && total_param <= *param_len)
+ break;
+
+ if (!cli_receive_smb(cli)) {
+ cli_signing_trans_stop(cli);
+ return False;
+ }
+
+ show_msg(cli->inbuf);
+
+ /* sanity check */
+ if (CVAL(cli->inbuf,smb_com) != SMBnttrans) {
+ DEBUG(0,("Expected SMBnttrans response, got command 0x%02x\n",
+ CVAL(cli->inbuf,smb_com)));
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+ if (cli_is_dos_error(cli)) {
+ cli_dos_error(cli, &eclass, &ecode);
+ if(!(eclass == ERRDOS && ecode == ERRmoredata)) {
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+ }
+ /*
+ * Likewise for NT_STATUS_BUFFER_TOO_SMALL
+ */
+ if (cli_is_nt_error(cli)) {
+ if (!NT_STATUS_EQUAL(cli_nt_error(cli),
+ NT_STATUS_BUFFER_TOO_SMALL)) {
+ cli_signing_trans_stop(cli);
+ return(False);
+ }
+ }
+
+ /* parse out the total lengths again - they can shrink! */
+ if (SVAL(cli->inbuf,smb_ntr_TotalDataCount) < total_data)
+ total_data = SVAL(cli->inbuf,smb_ntr_TotalDataCount);
+ if (SVAL(cli->inbuf,smb_ntr_TotalParameterCount) < total_param)
+ total_param = SVAL(cli->inbuf,smb_ntr_TotalParameterCount);
+
+ if (total_data <= *data_len && total_param <= *param_len)
+ break;
+ }
+
+ cli_signing_trans_stop(cli);
+ return(True);
+}
projects / samba / blobdiff