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Unix SMB/CIFS implementation.
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SMB NT transaction handling
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Copyright (C) Jeremy Allison 1994-2007
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Copyright (C) Stefan (metze) Metzmacher 2003
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "smbd/globals.h"
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extern enum protocol_types Protocol;
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extern const struct generic_mapping file_generic_mapping;
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static char *nttrans_realloc(char **ptr, size_t size)
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smb_panic("nttrans_realloc() called with NULL ptr");
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*ptr = (char *)SMB_REALLOC(*ptr, size);
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memset(*ptr,'\0',size);
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/****************************************************************************
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Send the required number of replies back.
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We assume all fields other than the data fields are
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set correctly for the type of call.
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HACK ! Always assumes smb_setup field is zero.
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****************************************************************************/
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void send_nt_replies(connection_struct *conn,
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struct smb_request *req, NTSTATUS nt_error,
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char *params, int paramsize,
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char *pdata, int datasize)
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int data_to_send = datasize;
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int params_to_send = paramsize;
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int params_sent_thistime, data_sent_thistime, total_sent_thistime;
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int alignment_offset = 3;
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int data_alignment_offset = 0;
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* If there genuinely are no parameters or data to send just send
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if(params_to_send == 0 && data_to_send == 0) {
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reply_outbuf(req, 18, 0);
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show_msg((char *)req->outbuf);
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* When sending params and data ensure that both are nicely aligned.
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* Only do this alignment when there is also data to send - else
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* can cause NT redirector problems.
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if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
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data_alignment_offset = 4 - (params_to_send % 4);
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* Space is bufsize minus Netbios over TCP header minus SMB header.
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* The alignment_offset is to align the param bytes on a four byte
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* boundary (2 bytes for data len, one byte pad).
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* NT needs this to work correctly.
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useable_space = max_send - (smb_size
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+ data_alignment_offset);
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if (useable_space < 0) {
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char *msg = talloc_asprintf(
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"send_nt_replies failed sanity useable_space = %d!!!",
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DEBUG(0, ("%s\n", msg));
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exit_server_cleanly(msg);
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while (params_to_send || data_to_send) {
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* Calculate whether we will totally or partially fill this packet.
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total_sent_thistime = params_to_send + data_to_send;
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* We can never send more than useable_space.
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total_sent_thistime = MIN(total_sent_thistime, useable_space);
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reply_outbuf(req, 18,
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total_sent_thistime + alignment_offset
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+ data_alignment_offset);
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* We might have had SMBnttranss in req->inbuf, fix that.
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SCVAL(req->outbuf, smb_com, SMBnttrans);
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* Set total params and data to be sent.
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SIVAL(req->outbuf,smb_ntr_TotalParameterCount,paramsize);
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SIVAL(req->outbuf,smb_ntr_TotalDataCount,datasize);
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* Calculate how many parameters and data we can fit into
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* this packet. Parameters get precedence.
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params_sent_thistime = MIN(params_to_send,useable_space);
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data_sent_thistime = useable_space - params_sent_thistime;
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data_sent_thistime = MIN(data_sent_thistime,data_to_send);
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SIVAL(req->outbuf, smb_ntr_ParameterCount,
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params_sent_thistime);
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if(params_sent_thistime == 0) {
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SIVAL(req->outbuf,smb_ntr_ParameterOffset,0);
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SIVAL(req->outbuf,smb_ntr_ParameterDisplacement,0);
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* smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
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* parameter bytes, however the first 4 bytes of outbuf are
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* the Netbios over TCP header. Thus use smb_base() to subtract
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* them from the calculation.
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SIVAL(req->outbuf,smb_ntr_ParameterOffset,
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((smb_buf(req->outbuf)+alignment_offset)
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- smb_base(req->outbuf)));
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* Absolute displacement of param bytes sent in this packet.
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SIVAL(req->outbuf, smb_ntr_ParameterDisplacement,
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* Deal with the data portion.
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SIVAL(req->outbuf, smb_ntr_DataCount, data_sent_thistime);
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if(data_sent_thistime == 0) {
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SIVAL(req->outbuf,smb_ntr_DataOffset,0);
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SIVAL(req->outbuf,smb_ntr_DataDisplacement, 0);
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* The offset of the data bytes is the offset of the
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* parameter bytes plus the number of parameters being sent this time.
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SIVAL(req->outbuf, smb_ntr_DataOffset,
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((smb_buf(req->outbuf)+alignment_offset) -
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smb_base(req->outbuf))
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+ params_sent_thistime + data_alignment_offset);
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SIVAL(req->outbuf,smb_ntr_DataDisplacement, pd - pdata);
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* Copy the param bytes into the packet.
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if(params_sent_thistime) {
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if (alignment_offset != 0) {
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memset(smb_buf(req->outbuf), 0,
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memcpy((smb_buf(req->outbuf)+alignment_offset), pp,
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params_sent_thistime);
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* Copy in the data bytes
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if(data_sent_thistime) {
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if (data_alignment_offset != 0) {
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memset((smb_buf(req->outbuf)+alignment_offset+
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params_sent_thistime), 0,
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data_alignment_offset);
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memcpy(smb_buf(req->outbuf)+alignment_offset
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+params_sent_thistime+data_alignment_offset,
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pd,data_sent_thistime);
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DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
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params_sent_thistime, data_sent_thistime, useable_space));
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DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
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params_to_send, data_to_send, paramsize, datasize));
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if (NT_STATUS_V(nt_error)) {
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error_packet_set((char *)req->outbuf,
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/* Send the packet */
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show_msg((char *)req->outbuf);
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if (!srv_send_smb(smbd_server_fd(),
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IS_CONN_ENCRYPTED(conn),
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exit_server_cleanly("send_nt_replies: srv_send_smb failed.");
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TALLOC_FREE(req->outbuf);
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pp += params_sent_thistime;
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pd += data_sent_thistime;
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params_to_send -= params_sent_thistime;
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data_to_send -= data_sent_thistime;
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if(params_to_send < 0 || data_to_send < 0) {
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DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
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params_to_send, data_to_send));
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exit_server_cleanly("send_nt_replies: internal error");
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/****************************************************************************
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Is it an NTFS stream name ?
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An NTFS file name is <path>.<extention>:<stream name>:<stream type>
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$DATA can be used as both a stream name and a stream type. A missing stream
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name or type implies $DATA.
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Both Windows stream names and POSIX files can contain the ':' character.
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This function first checks for the existence of a colon in the last component
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of the given name. If the name contains a colon we differentiate between a
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stream and POSIX file by checking if the latter exists through a POSIX stat.
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Function assumes we've already chdir() to the "root" directory of fname.
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****************************************************************************/
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bool is_ntfs_stream_name(const char *fname)
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const char *lastcomp;
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SMB_STRUCT_STAT sbuf;
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/* If all pathnames are treated as POSIX we ignore streams. */
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if (lp_posix_pathnames()) {
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/* Find the last component of the name. */
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if ((lastcomp = strrchr_m(fname, '/')) != NULL)
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/* If there is no colon in the last component, it's not a stream. */
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if (strchr_m(lastcomp, ':') == NULL)
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* If file already exists on disk, it's not a stream. The stat must
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* bypass the vfs layer so streams modules don't intefere.
296
if (sys_stat(fname, &sbuf) == 0) {
297
DEBUG(5, ("is_ntfs_stream_name: file %s contains a ':' but is "
298
"not a stream\n", fname));
305
/****************************************************************************
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Reply to an NT create and X call on a pipe
307
****************************************************************************/
309
static void nt_open_pipe(char *fname, connection_struct *conn,
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struct smb_request *req, int *ppnum)
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DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
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/* Strip \\ off the name. */
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status = open_np_file(req, fname, &fsp);
321
if (!NT_STATUS_IS_OK(status)) {
322
if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND)) {
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reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
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reply_nterror(req, status);
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/****************************************************************************
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Reply to an NT create and X call for pipes.
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****************************************************************************/
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static void do_ntcreate_pipe_open(connection_struct *conn,
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struct smb_request *req)
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uint32 flags = IVAL(req->vwv+3, 1);
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TALLOC_CTX *ctx = talloc_tos();
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srvstr_pull_req_talloc(ctx, req, &fname, req->buf, STR_TERMINATE);
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reply_botherror(req, NT_STATUS_OBJECT_NAME_NOT_FOUND,
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nt_open_pipe(fname, conn, req, &pnum);
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* Deal with pipe return.
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if (flags & EXTENDED_RESPONSE_REQUIRED) {
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/* This is very strange. We
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* return 50 words, but only set
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* the wcnt to 42 ? It's definately
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* what happens on the wire....
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reply_outbuf(req, 50, 0);
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SCVAL(req->outbuf,smb_wct,42);
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reply_outbuf(req, 34, 0);
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p = (char *)req->outbuf + smb_vwv2;
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SIVAL(p,0,FILE_WAS_OPENED);
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SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
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SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
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SSVAL(p,2, 0x5FF); /* ? */
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if (flags & EXTENDED_RESPONSE_REQUIRED) {
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SIVAL(p,0,FILE_GENERIC_ALL);
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* For pipes W2K3 seems to return
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* This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
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SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
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DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
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/****************************************************************************
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Reply to an NT create and X call.
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****************************************************************************/
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void reply_ntcreate_and_X(struct smb_request *req)
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connection_struct *conn = req->conn;
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uint32 file_attributes;
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uint32 create_disposition;
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uint32 create_options;
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uint64_t allocation_size;
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/* Breakout the oplock request bits so we can set the
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reply bits separately. */
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SMB_OFF_T file_len = 0;
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SMB_STRUCT_STAT sbuf;
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files_struct *fsp = NULL;
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struct timespec c_timespec;
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struct timespec a_timespec;
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struct timespec m_timespec;
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uint8_t oplock_granted = NO_OPLOCK_RETURN;
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struct case_semantics_state *case_state = NULL;
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TALLOC_CTX *ctx = talloc_tos();
442
START_PROFILE(SMBntcreateX);
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SET_STAT_INVALID(sbuf);
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reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
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flags = IVAL(req->vwv+3, 1);
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access_mask = IVAL(req->vwv+7, 1);
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file_attributes = IVAL(req->vwv+13, 1);
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share_access = IVAL(req->vwv+15, 1);
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create_disposition = IVAL(req->vwv+17, 1);
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create_options = IVAL(req->vwv+19, 1);
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root_dir_fid = (uint16)IVAL(req->vwv+5, 1);
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allocation_size = (uint64_t)IVAL(req->vwv+9, 1);
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#ifdef LARGE_SMB_OFF_T
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allocation_size |= (((uint64_t)IVAL(req->vwv+11, 1)) << 32);
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srvstr_get_path_req(ctx, req, &fname, (const char *)req->buf,
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STR_TERMINATE, &status);
467
if (!NT_STATUS_IS_OK(status)) {
468
reply_nterror(req, status);
469
END_PROFILE(SMBntcreateX);
473
DEBUG(10,("reply_ntcreate_and_X: flags = 0x%x, access_mask = 0x%x "
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"file_attributes = 0x%x, share_access = 0x%x, "
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"create_disposition = 0x%x create_options = 0x%x "
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"root_dir_fid = 0x%x, fname = %s\n",
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(unsigned int)access_mask,
479
(unsigned int)file_attributes,
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(unsigned int)share_access,
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(unsigned int)create_disposition,
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(unsigned int)create_options,
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(unsigned int)root_dir_fid,
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* we need to remove ignored bits when they come directly from the client
488
* because we reuse some of them for internal stuff
490
create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
493
* If it's an IPC, use the pipe handler.
497
if (lp_nt_pipe_support()) {
498
do_ntcreate_pipe_open(conn, req);
499
END_PROFILE(SMBntcreateX);
502
reply_doserror(req, ERRDOS, ERRnoaccess);
503
END_PROFILE(SMBntcreateX);
507
oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
508
if (oplock_request) {
509
oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
514
* Check if POSIX semantics are wanted.
517
if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
518
case_state = set_posix_case_semantics(ctx, conn);
520
reply_nterror(req, NT_STATUS_NO_MEMORY);
521
END_PROFILE(SMBntcreateX);
525
* Bug #6898 - clients using Windows opens should
526
* never be able to set this attribute into the
529
file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
532
status = SMB_VFS_CREATE_FILE(
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root_dir_fid, /* root_dir_fid */
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CFF_DOS_PATH, /* create_file_flags */
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access_mask, /* access_mask */
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share_access, /* share_access */
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create_disposition, /* create_disposition*/
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create_options, /* create_options */
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file_attributes, /* file_attributes */
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oplock_request, /* oplock_request */
544
allocation_size, /* allocation_size */
551
TALLOC_FREE(case_state);
553
if (!NT_STATUS_IS_OK(status)) {
554
if (open_was_deferred(req->mid)) {
555
/* We have re-scheduled this call, no error. */
556
END_PROFILE(SMBntcreateX);
559
if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_COLLISION)) {
560
reply_botherror(req, status, ERRDOS, ERRfilexists);
563
reply_nterror(req, status);
565
END_PROFILE(SMBntcreateX);
570
* If the caller set the extended oplock request bit
571
* and we granted one (by whatever means) - set the
572
* correct bit for extended oplock reply.
575
if (oplock_request &&
576
(lp_fake_oplocks(SNUM(conn))
577
|| EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
580
* Exclusive oplock granted
583
if (flags & REQUEST_BATCH_OPLOCK) {
584
oplock_granted = BATCH_OPLOCK_RETURN;
586
oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
588
} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
589
oplock_granted = LEVEL_II_OPLOCK_RETURN;
591
oplock_granted = NO_OPLOCK_RETURN;
594
file_len = sbuf.st_size;
595
fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
597
fattr = FILE_ATTRIBUTE_NORMAL;
600
if (flags & EXTENDED_RESPONSE_REQUIRED) {
601
/* This is very strange. We
602
* return 50 words, but only set
603
* the wcnt to 42 ? It's definately
604
* what happens on the wire....
606
reply_outbuf(req, 50, 0);
607
SCVAL(req->outbuf,smb_wct,42);
609
reply_outbuf(req, 34, 0);
612
p = (char *)req->outbuf + smb_vwv2;
614
SCVAL(p, 0, oplock_granted);
617
SSVAL(p,0,fsp->fnum);
619
if ((create_disposition == FILE_SUPERSEDE)
620
&& (info == FILE_WAS_OVERWRITTEN)) {
621
SIVAL(p,0,FILE_WAS_SUPERSEDED);
628
c_timespec = get_create_timespec(
629
&sbuf,lp_fake_dir_create_times(SNUM(conn)));
630
a_timespec = get_atimespec(&sbuf);
631
m_timespec = get_mtimespec(&sbuf);
633
if (lp_dos_filetime_resolution(SNUM(conn))) {
634
dos_filetime_timespec(&c_timespec);
635
dos_filetime_timespec(&a_timespec);
636
dos_filetime_timespec(&m_timespec);
639
put_long_date_timespec(conn->ts_res, p, c_timespec); /* create time. */
641
put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
643
put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
645
put_long_date_timespec(conn->ts_res, p, m_timespec); /* change time */
647
SIVAL(p,0,fattr); /* File Attributes. */
649
SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf));
651
SOFF_T(p,0,file_len);
653
if (flags & EXTENDED_RESPONSE_REQUIRED) {
657
SCVAL(p,0,fsp->is_directory ? 1 : 0);
659
if (flags & EXTENDED_RESPONSE_REQUIRED) {
662
if (fsp->is_directory
663
|| can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
664
perms = FILE_GENERIC_ALL;
666
perms = FILE_GENERIC_READ|FILE_EXECUTE;
671
DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n",
672
fsp->fnum, fsp->fsp_name));
675
END_PROFILE(SMBntcreateX);
679
/****************************************************************************
680
Reply to a NT_TRANSACT_CREATE call to open a pipe.
681
****************************************************************************/
683
static void do_nt_transact_create_pipe(connection_struct *conn,
684
struct smb_request *req,
685
uint16 **ppsetup, uint32 setup_count,
686
char **ppparams, uint32 parameter_count,
687
char **ppdata, uint32 data_count)
690
char *params = *ppparams;
696
TALLOC_CTX *ctx = talloc_tos();
699
* Ensure minimum number of parameters sent.
702
if(parameter_count < 54) {
703
DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
704
reply_doserror(req, ERRDOS, ERRnoaccess);
708
flags = IVAL(params,0);
710
srvstr_get_path(ctx, params, req->flags2, &fname, params+53,
711
parameter_count-53, STR_TERMINATE,
713
if (!NT_STATUS_IS_OK(status)) {
714
reply_nterror(req, status);
718
nt_open_pipe(fname, conn, req, &pnum);
725
/* Realloc the size of parameters and data we will return */
726
if (flags & EXTENDED_RESPONSE_REQUIRED) {
727
/* Extended response is 32 more byyes. */
732
params = nttrans_realloc(ppparams, param_len);
734
reply_doserror(req, ERRDOS, ERRnomem);
739
SCVAL(p,0,NO_OPLOCK_RETURN);
744
SIVAL(p,0,FILE_WAS_OPENED);
748
SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
751
SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
753
SSVAL(p,2, 0x5FF); /* ? */
756
if (flags & EXTENDED_RESPONSE_REQUIRED) {
758
SIVAL(p,0,FILE_GENERIC_ALL);
760
* For pipes W2K3 seems to return
762
* This is ((FILE_GENERIC_READ|FILE_GENERIC_WRITE) & ~FILE_APPEND_DATA)
764
SIVAL(p,4,(FILE_GENERIC_READ|FILE_GENERIC_WRITE)&~FILE_APPEND_DATA);
767
DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
769
/* Send the required number of replies */
770
send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
775
/****************************************************************************
776
Internal fn to set security descriptors.
777
****************************************************************************/
779
static NTSTATUS set_sd(files_struct *fsp, uint8 *data, uint32 sd_len,
780
uint32 security_info_sent)
782
SEC_DESC *psd = NULL;
785
if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
789
status = unmarshall_sec_desc(talloc_tos(), data, sd_len, &psd);
791
if (!NT_STATUS_IS_OK(status)) {
795
if (psd->owner_sid == NULL) {
796
security_info_sent &= ~OWNER_SECURITY_INFORMATION;
798
if (psd->group_sid == NULL) {
799
security_info_sent &= ~GROUP_SECURITY_INFORMATION;
802
/* Convert all the generic bits. */
803
security_acl_map_generic(psd->dacl, &file_generic_mapping);
804
security_acl_map_generic(psd->sacl, &file_generic_mapping);
806
if (DEBUGLEVEL >= 10) {
807
DEBUG(10,("set_sd for file %s\n", fsp->fsp_name ));
808
NDR_PRINT_DEBUG(security_descriptor, psd);
811
status = SMB_VFS_FSET_NT_ACL(fsp, security_info_sent, psd);
818
/****************************************************************************
819
Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
820
****************************************************************************/
822
static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
824
struct ea_list *ea_list_head = NULL;
831
while (offset + 4 <= data_size) {
832
size_t next_offset = IVAL(pdata,offset);
833
struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
839
DLIST_ADD_END(ea_list_head, eal, struct ea_list *);
840
if (next_offset == 0) {
843
offset += next_offset;
849
/****************************************************************************
850
Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
851
****************************************************************************/
853
static void call_nt_transact_create(connection_struct *conn,
854
struct smb_request *req,
855
uint16 **ppsetup, uint32 setup_count,
856
char **ppparams, uint32 parameter_count,
857
char **ppdata, uint32 data_count,
858
uint32 max_data_count)
861
char *params = *ppparams;
862
char *data = *ppdata;
863
/* Breakout the oplock request bits so we can set the reply bits separately. */
865
SMB_OFF_T file_len = 0;
866
SMB_STRUCT_STAT sbuf;
868
files_struct *fsp = NULL;
872
uint32 file_attributes;
874
uint32 create_disposition;
875
uint32 create_options;
877
struct security_descriptor *sd = NULL;
880
struct timespec c_timespec;
881
struct timespec a_timespec;
882
struct timespec m_timespec;
883
struct ea_list *ea_list = NULL;
886
uint64_t allocation_size;
888
uint8_t oplock_granted;
889
struct case_semantics_state *case_state = NULL;
890
TALLOC_CTX *ctx = talloc_tos();
892
SET_STAT_INVALID(sbuf);
894
DEBUG(5,("call_nt_transact_create\n"));
897
* If it's an IPC, use the pipe handler.
901
if (lp_nt_pipe_support()) {
902
do_nt_transact_create_pipe(
904
ppsetup, setup_count,
905
ppparams, parameter_count,
909
reply_doserror(req, ERRDOS, ERRnoaccess);
914
* Ensure minimum number of parameters sent.
917
if(parameter_count < 54) {
918
DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
919
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
923
flags = IVAL(params,0);
924
access_mask = IVAL(params,8);
925
file_attributes = IVAL(params,20);
926
share_access = IVAL(params,24);
927
create_disposition = IVAL(params,28);
928
create_options = IVAL(params,32);
929
sd_len = IVAL(params,36);
930
ea_len = IVAL(params,40);
931
root_dir_fid = (uint16)IVAL(params,4);
932
allocation_size = (uint64_t)IVAL(params,12);
933
#ifdef LARGE_SMB_OFF_T
934
allocation_size |= (((uint64_t)IVAL(params,16)) << 32);
938
* we need to remove ignored bits when they come directly from the client
939
* because we reuse some of them for internal stuff
941
create_options &= ~NTCREATEX_OPTIONS_MUST_IGNORE_MASK;
943
/* Ensure the data_len is correct for the sd and ea values given. */
944
if ((ea_len + sd_len > data_count)
945
|| (ea_len > data_count) || (sd_len > data_count)
946
|| (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
947
DEBUG(10, ("call_nt_transact_create - ea_len = %u, sd_len = "
948
"%u, data_count = %u\n", (unsigned int)ea_len,
949
(unsigned int)sd_len, (unsigned int)data_count));
950
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
955
DEBUG(10, ("call_nt_transact_create - sd_len = %d\n",
958
status = unmarshall_sec_desc(ctx, (uint8_t *)data, sd_len,
960
if (!NT_STATUS_IS_OK(status)) {
961
DEBUG(10, ("call_nt_transact_create: "
962
"unmarshall_sec_desc failed: %s\n",
964
reply_nterror(req, status);
970
if (!lp_ea_support(SNUM(conn))) {
971
DEBUG(10, ("call_nt_transact_create - ea_len = %u but "
972
"EA's not supported.\n",
973
(unsigned int)ea_len));
974
reply_nterror(req, NT_STATUS_EAS_NOT_SUPPORTED);
979
DEBUG(10,("call_nt_transact_create - ea_len = %u - "
980
"too small (should be more than 10)\n",
981
(unsigned int)ea_len ));
982
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
986
/* We have already checked that ea_len <= data_count here. */
987
ea_list = read_nttrans_ea_list(talloc_tos(), data + sd_len,
989
if (ea_list == NULL) {
990
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
995
srvstr_get_path(ctx, params, req->flags2, &fname,
996
params+53, parameter_count-53,
997
STR_TERMINATE, &status);
998
if (!NT_STATUS_IS_OK(status)) {
999
reply_nterror(req, status);
1003
oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
1004
if (oplock_request) {
1005
oplock_request |= (flags & REQUEST_BATCH_OPLOCK)
1010
* Check if POSIX semantics are wanted.
1013
if (file_attributes & FILE_FLAG_POSIX_SEMANTICS) {
1014
case_state = set_posix_case_semantics(ctx, conn);
1016
reply_nterror(req, NT_STATUS_NO_MEMORY);
1020
* Bug #6898 - clients using Windows opens should
1021
* never be able to set this attribute into the
1024
file_attributes &= ~FILE_FLAG_POSIX_SEMANTICS;
1027
status = SMB_VFS_CREATE_FILE(
1030
root_dir_fid, /* root_dir_fid */
1032
CFF_DOS_PATH, /* create_file_flags */
1033
access_mask, /* access_mask */
1034
share_access, /* share_access */
1035
create_disposition, /* create_disposition*/
1036
create_options, /* create_options */
1037
file_attributes, /* file_attributes */
1038
oplock_request, /* oplock_request */
1039
allocation_size, /* allocation_size */
1041
ea_list, /* ea_list */
1046
TALLOC_FREE(case_state);
1048
if(!NT_STATUS_IS_OK(status)) {
1049
if (open_was_deferred(req->mid)) {
1050
/* We have re-scheduled this call, no error. */
1053
reply_openerror(req, status);
1058
* If the caller set the extended oplock request bit
1059
* and we granted one (by whatever means) - set the
1060
* correct bit for extended oplock reply.
1063
if (oplock_request &&
1064
(lp_fake_oplocks(SNUM(conn))
1065
|| EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type))) {
1068
* Exclusive oplock granted
1071
if (flags & REQUEST_BATCH_OPLOCK) {
1072
oplock_granted = BATCH_OPLOCK_RETURN;
1074
oplock_granted = EXCLUSIVE_OPLOCK_RETURN;
1076
} else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
1077
oplock_granted = LEVEL_II_OPLOCK_RETURN;
1079
oplock_granted = NO_OPLOCK_RETURN;
1082
file_len = sbuf.st_size;
1083
fattr = dos_mode(conn,fsp->fsp_name,&sbuf);
1085
fattr = FILE_ATTRIBUTE_NORMAL;
1088
/* Realloc the size of parameters and data we will return */
1089
if (flags & EXTENDED_RESPONSE_REQUIRED) {
1090
/* Extended response is 32 more byyes. */
1095
params = nttrans_realloc(ppparams, param_len);
1096
if(params == NULL) {
1097
reply_doserror(req, ERRDOS, ERRnomem);
1102
SCVAL(p, 0, oplock_granted);
1105
SSVAL(p,0,fsp->fnum);
1107
if ((create_disposition == FILE_SUPERSEDE)
1108
&& (info == FILE_WAS_OVERWRITTEN)) {
1109
SIVAL(p,0,FILE_WAS_SUPERSEDED);
1116
c_timespec = get_create_timespec(
1117
&sbuf,lp_fake_dir_create_times(SNUM(conn)));
1118
a_timespec = get_atimespec(&sbuf);
1119
m_timespec = get_mtimespec(&sbuf);
1121
if (lp_dos_filetime_resolution(SNUM(conn))) {
1122
dos_filetime_timespec(&c_timespec);
1123
dos_filetime_timespec(&a_timespec);
1124
dos_filetime_timespec(&m_timespec);
1127
put_long_date_timespec(conn->ts_res, p, c_timespec); /* create time. */
1129
put_long_date_timespec(conn->ts_res, p, a_timespec); /* access time */
1131
put_long_date_timespec(conn->ts_res, p, m_timespec); /* write time */
1133
put_long_date_timespec(conn->ts_res, p, m_timespec); /* change time */
1135
SIVAL(p,0,fattr); /* File Attributes. */
1137
SOFF_T(p, 0, SMB_VFS_GET_ALLOC_SIZE(conn,fsp,&sbuf));
1139
SOFF_T(p,0,file_len);
1141
if (flags & EXTENDED_RESPONSE_REQUIRED) {
1145
SCVAL(p,0,fsp->is_directory ? 1 : 0);
1147
if (flags & EXTENDED_RESPONSE_REQUIRED) {
1150
if (fsp->is_directory
1151
|| can_write_to_file(conn, fsp->fsp_name, &sbuf)) {
1152
perms = FILE_GENERIC_ALL;
1154
perms = FILE_GENERIC_READ|FILE_EXECUTE;
1159
DEBUG(5,("call_nt_transact_create: open name = %s\n", fsp->fsp_name));
1161
/* Send the required number of replies */
1162
send_nt_replies(conn, req, NT_STATUS_OK, params, param_len, *ppdata, 0);
1167
/****************************************************************************
1168
Reply to a NT CANCEL request.
1169
conn POINTER CAN BE NULL HERE !
1170
****************************************************************************/
1172
void reply_ntcancel(struct smb_request *req)
1175
* Go through and cancel any pending change notifies.
1178
START_PROFILE(SMBntcancel);
1179
remove_pending_change_notify_requests_by_mid(req->mid);
1180
remove_pending_lock_requests_by_mid(req->mid);
1181
srv_cancel_sign_response(req->mid, true);
1183
DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", req->mid));
1185
END_PROFILE(SMBntcancel);
1189
/****************************************************************************
1191
****************************************************************************/
1193
static NTSTATUS copy_internals(TALLOC_CTX *ctx,
1194
connection_struct *conn,
1195
struct smb_request *req,
1196
const char *oldname_in,
1197
const char *newname_in,
1200
SMB_STRUCT_STAT sbuf1, sbuf2;
1201
char *oldname = NULL;
1202
char *newname = NULL;
1203
char *last_component_oldname = NULL;
1204
char *last_component_newname = NULL;
1205
files_struct *fsp1,*fsp2;
1209
NTSTATUS status = NT_STATUS_OK;
1215
if (!CAN_WRITE(conn)) {
1216
return NT_STATUS_MEDIA_WRITE_PROTECTED;
1219
status = unix_convert(ctx, conn, oldname_in, False, &oldname,
1220
&last_component_oldname, &sbuf1);
1221
if (!NT_STATUS_IS_OK(status)) {
1225
status = check_name(conn, oldname);
1226
if (!NT_STATUS_IS_OK(status)) {
1230
/* Source must already exist. */
1231
if (!VALID_STAT(sbuf1)) {
1232
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
1234
/* Ensure attributes match. */
1235
fattr = dos_mode(conn,oldname,&sbuf1);
1236
if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
1237
return NT_STATUS_NO_SUCH_FILE;
1240
status = unix_convert(ctx, conn, newname_in, False, &newname,
1241
&last_component_newname, &sbuf2);
1242
if (!NT_STATUS_IS_OK(status)) {
1246
status = check_name(conn, newname);
1247
if (!NT_STATUS_IS_OK(status)) {
1251
/* Disallow if newname already exists. */
1252
if (VALID_STAT(sbuf2)) {
1253
return NT_STATUS_OBJECT_NAME_COLLISION;
1256
/* No links from a directory. */
1257
if (S_ISDIR(sbuf1.st_mode)) {
1258
return NT_STATUS_FILE_IS_A_DIRECTORY;
1261
/* Ensure this is within the share. */
1262
status = check_reduced_name(conn, oldname);
1263
if (!NT_STATUS_IS_OK(status)) {
1267
DEBUG(10,("copy_internals: doing file copy %s to %s\n",
1270
status = SMB_VFS_CREATE_FILE(
1273
0, /* root_dir_fid */
1274
oldname, /* fname */
1275
0, /* create_file_flags */
1276
FILE_READ_DATA, /* access_mask */
1277
(FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1279
FILE_OPEN, /* create_disposition*/
1280
0, /* create_options */
1281
FILE_ATTRIBUTE_NORMAL, /* file_attributes */
1282
NO_OPLOCK, /* oplock_request */
1283
0, /* allocation_size */
1288
&sbuf1); /* psbuf */
1290
if (!NT_STATUS_IS_OK(status)) {
1294
status = SMB_VFS_CREATE_FILE(
1297
0, /* root_dir_fid */
1298
newname, /* fname */
1299
0, /* create_file_flags */
1300
FILE_WRITE_DATA, /* access_mask */
1301
(FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
1303
FILE_CREATE, /* create_disposition*/
1304
0, /* create_options */
1305
fattr, /* file_attributes */
1306
NO_OPLOCK, /* oplock_request */
1307
0, /* allocation_size */
1312
&sbuf2); /* psbuf */
1314
if (!NT_STATUS_IS_OK(status)) {
1315
close_file(NULL, fsp1, ERROR_CLOSE);
1319
if (sbuf1.st_size) {
1320
ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
1324
* As we are opening fsp1 read-only we only expect
1325
* an error on close on fsp2 if we are out of space.
1326
* Thus we don't look at the error return from the
1329
close_file(NULL, fsp1, NORMAL_CLOSE);
1331
/* Ensure the modtime is set correctly on the destination file. */
1332
set_close_write_time(fsp2, get_mtimespec(&sbuf1));
1334
status = close_file(NULL, fsp2, NORMAL_CLOSE);
1336
/* Grrr. We have to do this as open_file_ntcreate adds aARCH when it
1337
creates the file. This isn't the correct thing to do in the copy
1339
if (!parent_dirname(talloc_tos(), newname, &parent, NULL)) {
1340
return NT_STATUS_NO_MEMORY;
1342
file_set_dosmode(conn, newname, fattr, &sbuf2, parent, false);
1343
TALLOC_FREE(parent);
1345
if (ret < (SMB_OFF_T)sbuf1.st_size) {
1346
return NT_STATUS_DISK_FULL;
1349
if (!NT_STATUS_IS_OK(status)) {
1350
DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
1351
nt_errstr(status), oldname, newname));
1356
/****************************************************************************
1357
Reply to a NT rename request.
1358
****************************************************************************/
1360
void reply_ntrename(struct smb_request *req)
1362
connection_struct *conn = req->conn;
1363
char *oldname = NULL;
1364
char *newname = NULL;
1367
bool src_has_wcard = False;
1368
bool dest_has_wcard = False;
1371
TALLOC_CTX *ctx = talloc_tos();
1373
START_PROFILE(SMBntrename);
1376
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1377
END_PROFILE(SMBntrename);
1381
attrs = SVAL(req->vwv+0, 0);
1382
rename_type = SVAL(req->vwv+1, 0);
1384
p = (const char *)req->buf + 1;
1385
p += srvstr_get_path_req_wcard(ctx, req, &oldname, p, STR_TERMINATE,
1386
&status, &src_has_wcard);
1387
if (!NT_STATUS_IS_OK(status)) {
1388
reply_nterror(req, status);
1389
END_PROFILE(SMBntrename);
1393
if (ms_has_wild(oldname)) {
1394
reply_nterror(req, NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
1395
END_PROFILE(SMBntrename);
1400
p += srvstr_get_path_req_wcard(ctx, req, &newname, p, STR_TERMINATE,
1401
&status, &dest_has_wcard);
1402
if (!NT_STATUS_IS_OK(status)) {
1403
reply_nterror(req, status);
1404
END_PROFILE(SMBntrename);
1408
status = resolve_dfspath(ctx, conn,
1409
req->flags2 & FLAGS2_DFS_PATHNAMES,
1412
if (!NT_STATUS_IS_OK(status)) {
1413
if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1414
reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1415
ERRSRV, ERRbadpath);
1416
END_PROFILE(SMBntrename);
1419
reply_nterror(req, status);
1420
END_PROFILE(SMBntrename);
1424
status = resolve_dfspath(ctx, conn,
1425
req->flags2 & FLAGS2_DFS_PATHNAMES,
1428
if (!NT_STATUS_IS_OK(status)) {
1429
if (NT_STATUS_EQUAL(status,NT_STATUS_PATH_NOT_COVERED)) {
1430
reply_botherror(req, NT_STATUS_PATH_NOT_COVERED,
1431
ERRSRV, ERRbadpath);
1432
END_PROFILE(SMBntrename);
1435
reply_nterror(req, status);
1436
END_PROFILE(SMBntrename);
1440
/* The new name must begin with a ':' if the old name is a stream. */
1441
if (is_ntfs_stream_name(oldname) && (newname[0] != ':')) {
1442
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1443
END_PROFILE(SMBntrename);
1447
DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
1449
switch(rename_type) {
1450
case RENAME_FLAG_RENAME:
1451
status = rename_internals(ctx, conn, req, oldname,
1452
newname, attrs, False, src_has_wcard,
1453
dest_has_wcard, DELETE_ACCESS);
1455
case RENAME_FLAG_HARD_LINK:
1456
if (src_has_wcard || dest_has_wcard) {
1458
status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1460
status = hardlink_internals(ctx,
1466
case RENAME_FLAG_COPY:
1467
if (src_has_wcard || dest_has_wcard) {
1469
status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
1471
status = copy_internals(ctx, conn, req, oldname,
1475
case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
1476
status = NT_STATUS_INVALID_PARAMETER;
1479
status = NT_STATUS_ACCESS_DENIED; /* Default error. */
1483
if (!NT_STATUS_IS_OK(status)) {
1484
if (open_was_deferred(req->mid)) {
1485
/* We have re-scheduled this call. */
1486
END_PROFILE(SMBntrename);
1490
reply_nterror(req, status);
1491
END_PROFILE(SMBntrename);
1495
reply_outbuf(req, 0, 0);
1497
END_PROFILE(SMBntrename);
1501
/****************************************************************************
1502
Reply to a notify change - queue the request and
1503
don't allow a directory to be opened.
1504
****************************************************************************/
1506
static void call_nt_transact_notify_change(connection_struct *conn,
1507
struct smb_request *req,
1511
uint32 parameter_count,
1512
char **ppdata, uint32 data_count,
1513
uint32 max_data_count,
1514
uint32 max_param_count)
1516
uint16 *setup = *ppsetup;
1522
if(setup_count < 6) {
1523
reply_doserror(req, ERRDOS, ERRbadfunc);
1527
fsp = file_fsp(req, SVAL(setup,4));
1528
filter = IVAL(setup, 0);
1529
recursive = (SVAL(setup, 6) != 0) ? True : False;
1531
DEBUG(3,("call_nt_transact_notify_change\n"));
1534
reply_doserror(req, ERRDOS, ERRbadfid);
1539
char *filter_string;
1541
if (!(filter_string = notify_filter_string(NULL, filter))) {
1542
reply_nterror(req,NT_STATUS_NO_MEMORY);
1546
DEBUG(3,("call_nt_transact_notify_change: notify change "
1547
"called on %s, filter = %s, recursive = %d\n",
1548
fsp->fsp_name, filter_string, recursive));
1550
TALLOC_FREE(filter_string);
1553
if((!fsp->is_directory) || (conn != fsp->conn)) {
1554
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1558
if (fsp->notify == NULL) {
1560
status = change_notify_create(fsp, filter, recursive);
1562
if (!NT_STATUS_IS_OK(status)) {
1563
DEBUG(10, ("change_notify_create returned %s\n",
1564
nt_errstr(status)));
1565
reply_nterror(req, status);
1570
if (fsp->notify->num_changes != 0) {
1573
* We've got changes pending, respond immediately
1577
* TODO: write a torture test to check the filtering behaviour
1581
change_notify_reply(fsp->conn, req, max_param_count,
1585
* change_notify_reply() above has independently sent its
1592
* No changes pending, queue the request
1595
status = change_notify_add_request(req,
1599
if (!NT_STATUS_IS_OK(status)) {
1600
reply_nterror(req, status);
1605
/****************************************************************************
1606
Reply to an NT transact rename command.
1607
****************************************************************************/
1609
static void call_nt_transact_rename(connection_struct *conn,
1610
struct smb_request *req,
1611
uint16 **ppsetup, uint32 setup_count,
1612
char **ppparams, uint32 parameter_count,
1613
char **ppdata, uint32 data_count,
1614
uint32 max_data_count)
1616
char *params = *ppparams;
1617
char *new_name = NULL;
1618
files_struct *fsp = NULL;
1619
bool dest_has_wcard = False;
1621
TALLOC_CTX *ctx = talloc_tos();
1623
if(parameter_count < 5) {
1624
reply_doserror(req, ERRDOS, ERRbadfunc);
1628
fsp = file_fsp(req, SVAL(params, 0));
1629
if (!check_fsp(conn, req, fsp)) {
1632
srvstr_get_path_wcard(ctx, params, req->flags2, &new_name, params+4,
1633
parameter_count - 4,
1634
STR_TERMINATE, &status, &dest_has_wcard);
1635
if (!NT_STATUS_IS_OK(status)) {
1636
reply_nterror(req, status);
1641
* W2K3 ignores this request as the RAW-RENAME test
1642
* demonstrates, so we do.
1644
send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1646
DEBUG(3,("nt transact rename from = %s, to = %s ignored!\n",
1647
fsp->fsp_name, new_name));
1652
/******************************************************************************
1653
Fake up a completely empty SD.
1654
*******************************************************************************/
1656
static NTSTATUS get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
1660
*ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
1662
DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
1663
return NT_STATUS_NO_MEMORY;
1666
return NT_STATUS_OK;
1669
/****************************************************************************
1670
Reply to query a security descriptor.
1671
****************************************************************************/
1673
static void call_nt_transact_query_security_desc(connection_struct *conn,
1674
struct smb_request *req,
1678
uint32 parameter_count,
1681
uint32 max_data_count)
1683
char *params = *ppparams;
1684
char *data = *ppdata;
1685
SEC_DESC *psd = NULL;
1687
uint32 security_info_wanted;
1688
files_struct *fsp = NULL;
1692
if(parameter_count < 8) {
1693
reply_doserror(req, ERRDOS, ERRbadfunc);
1697
fsp = file_fsp(req, SVAL(params,0));
1699
reply_doserror(req, ERRDOS, ERRbadfid);
1703
security_info_wanted = IVAL(params,4);
1705
DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
1706
(unsigned int)security_info_wanted ));
1708
params = nttrans_realloc(ppparams, 4);
1709
if(params == NULL) {
1710
reply_doserror(req, ERRDOS, ERRnomem);
1715
* Get the permissions to return.
1718
if (!lp_nt_acl_support(SNUM(conn))) {
1719
status = get_null_nt_acl(talloc_tos(), &psd);
1721
status = SMB_VFS_FGET_NT_ACL(
1722
fsp, security_info_wanted, &psd);
1724
if (!NT_STATUS_IS_OK(status)) {
1725
reply_nterror(req, status);
1729
/* If the SACL/DACL is NULL, but was requested, we mark that it is
1730
* present in the reply to match Windows behavior */
1731
if (psd->sacl == NULL &&
1732
security_info_wanted & SACL_SECURITY_INFORMATION)
1733
psd->type |= SEC_DESC_SACL_PRESENT;
1734
if (psd->dacl == NULL &&
1735
security_info_wanted & DACL_SECURITY_INFORMATION)
1736
psd->type |= SEC_DESC_DACL_PRESENT;
1738
sd_size = ndr_size_security_descriptor(psd, NULL, 0);
1740
DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
1742
if (DEBUGLEVEL >= 10) {
1743
DEBUG(10,("call_nt_transact_query_security_desc for file %s\n", fsp->fsp_name));
1744
NDR_PRINT_DEBUG(security_descriptor, psd);
1747
SIVAL(params,0,(uint32)sd_size);
1749
if (max_data_count < sd_size) {
1750
send_nt_replies(conn, req, NT_STATUS_BUFFER_TOO_SMALL,
1751
params, 4, *ppdata, 0);
1756
* Allocate the data we will point this at.
1759
data = nttrans_realloc(ppdata, sd_size);
1761
reply_doserror(req, ERRDOS, ERRnomem);
1765
status = marshall_sec_desc(talloc_tos(), psd,
1766
&blob.data, &blob.length);
1768
if (!NT_STATUS_IS_OK(status)) {
1769
reply_nterror(req, status);
1773
SMB_ASSERT(sd_size == blob.length);
1774
memcpy(data, blob.data, sd_size);
1776
send_nt_replies(conn, req, NT_STATUS_OK, params, 4, data, (int)sd_size);
1781
/****************************************************************************
1782
Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
1783
****************************************************************************/
1785
static void call_nt_transact_set_security_desc(connection_struct *conn,
1786
struct smb_request *req,
1790
uint32 parameter_count,
1793
uint32 max_data_count)
1795
char *params= *ppparams;
1796
char *data = *ppdata;
1797
files_struct *fsp = NULL;
1798
uint32 security_info_sent = 0;
1801
if(parameter_count < 8) {
1802
reply_doserror(req, ERRDOS, ERRbadfunc);
1806
if((fsp = file_fsp(req, SVAL(params,0))) == NULL) {
1807
reply_doserror(req, ERRDOS, ERRbadfid);
1811
if(!lp_nt_acl_support(SNUM(conn))) {
1815
security_info_sent = IVAL(params,4);
1817
DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
1818
(unsigned int)security_info_sent ));
1820
if (data_count == 0) {
1821
reply_doserror(req, ERRDOS, ERRnoaccess);
1825
status = set_sd(fsp, (uint8 *)data, data_count, security_info_sent);
1827
if (!NT_STATUS_IS_OK(status)) {
1828
reply_nterror(req, status);
1833
send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1837
/****************************************************************************
1839
****************************************************************************/
1841
static void call_nt_transact_ioctl(connection_struct *conn,
1842
struct smb_request *req,
1843
uint16 **ppsetup, uint32 setup_count,
1844
char **ppparams, uint32 parameter_count,
1845
char **ppdata, uint32 data_count,
1846
uint32 max_data_count)
1853
char *pdata = *ppdata;
1855
if (setup_count != 8) {
1856
DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
1857
reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1861
function = IVAL(*ppsetup, 0);
1862
fidnum = SVAL(*ppsetup, 4);
1863
isFSctl = CVAL(*ppsetup, 6);
1864
compfilter = CVAL(*ppsetup, 7);
1866
DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
1867
function, fidnum, isFSctl, compfilter));
1869
fsp=file_fsp(req, fidnum);
1870
/* this check is done in each implemented function case for now
1871
because I don't want to break anything... --metze
1872
FSP_BELONGS_CONN(fsp,conn);*/
1874
SMB_PERFCOUNT_SET_IOCTL(&req->pcd, function);
1877
case FSCTL_SET_SPARSE:
1878
/* pretend this succeeded - tho strictly we should
1879
mark the file sparse (if the local fs supports it)
1880
so we can know if we need to pre-allocate or not */
1882
DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
1883
send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
1886
case FSCTL_CREATE_OR_GET_OBJECT_ID:
1888
unsigned char objid[16];
1890
/* This should return the object-id on this file.
1891
* I think I'll make this be the inode+dev. JRA.
1894
DEBUG(10,("FSCTL_CREATE_OR_GET_OBJECT_ID: called on FID[0x%04X]\n",fidnum));
1896
if (!fsp_belongs_conn(conn, req, fsp)) {
1901
pdata = nttrans_realloc(ppdata, data_count);
1902
if (pdata == NULL) {
1903
reply_nterror(req, NT_STATUS_NO_MEMORY);
1907
/* For backwards compatibility only store the dev/inode. */
1908
push_file_id_16(pdata, &fsp->file_id);
1909
memcpy(pdata+16,create_volume_objectid(conn,objid),16);
1910
push_file_id_16(pdata+32, &fsp->file_id);
1911
send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
1916
case FSCTL_GET_REPARSE_POINT:
1917
/* pretend this fail - my winXP does it like this
1921
DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1922
reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1925
case FSCTL_SET_REPARSE_POINT:
1926
/* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
1930
DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
1931
reply_nterror(req, NT_STATUS_NOT_A_REPARSE_POINT);
1934
case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
1937
* This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
1938
* and return their volume names. If max_data_count is 16, then it is just
1939
* asking for the number of volumes and length of the combined names.
1941
* pdata is the data allocated by our caller, but that uses
1942
* total_data_count (which is 0 in our case) rather than max_data_count.
1943
* Allocate the correct amount and return the pointer to let
1944
* it be deallocated when we return.
1946
SHADOW_COPY_DATA *shadow_data = NULL;
1947
TALLOC_CTX *shadow_mem_ctx = NULL;
1948
bool labels = False;
1949
uint32 labels_data_count = 0;
1953
if (!fsp_belongs_conn(conn, req, fsp)) {
1957
if (max_data_count < 16) {
1958
DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
1960
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
1964
if (max_data_count > 16) {
1968
shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
1969
if (shadow_mem_ctx == NULL) {
1970
DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
1971
reply_nterror(req, NT_STATUS_NO_MEMORY);
1975
shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
1976
if (shadow_data == NULL) {
1977
DEBUG(0,("TALLOC_ZERO() failed!\n"));
1978
talloc_destroy(shadow_mem_ctx);
1979
reply_nterror(req, NT_STATUS_NO_MEMORY);
1983
shadow_data->mem_ctx = shadow_mem_ctx;
1986
* Call the VFS routine to actually do the work.
1988
if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
1989
talloc_destroy(shadow_data->mem_ctx);
1990
if (errno == ENOSYS) {
1991
DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
1992
conn->connectpath));
1993
reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
1996
DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
1997
conn->connectpath));
1998
reply_nterror(req, NT_STATUS_UNSUCCESSFUL);
2003
labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
2008
data_count = 12+labels_data_count+4;
2011
if (max_data_count<data_count) {
2012
DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
2013
max_data_count,data_count));
2014
talloc_destroy(shadow_data->mem_ctx);
2015
reply_nterror(req, NT_STATUS_BUFFER_TOO_SMALL);
2019
pdata = nttrans_realloc(ppdata, data_count);
2020
if (pdata == NULL) {
2021
talloc_destroy(shadow_data->mem_ctx);
2022
reply_nterror(req, NT_STATUS_NO_MEMORY);
2028
/* num_volumes 4 bytes */
2029
SIVAL(pdata,0,shadow_data->num_volumes);
2032
/* num_labels 4 bytes */
2033
SIVAL(pdata,4,shadow_data->num_volumes);
2036
/* needed_data_count 4 bytes */
2037
SIVAL(pdata, 8, labels_data_count+4);
2041
DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
2042
shadow_data->num_volumes,fsp->fsp_name));
2043
if (labels && shadow_data->labels) {
2044
for (i=0;i<shadow_data->num_volumes;i++) {
2045
srvstr_push(pdata, req->flags2,
2046
cur_pdata, shadow_data->labels[i],
2047
2*sizeof(SHADOW_COPY_LABEL),
2048
STR_UNICODE|STR_TERMINATE);
2049
cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
2050
DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
2054
talloc_destroy(shadow_data->mem_ctx);
2056
send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0,
2062
case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
2064
/* pretend this succeeded -
2066
* we have to send back a list with all files owned by this SID
2068
* but I have to check that --metze
2072
size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
2074
DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
2076
if (!fsp_belongs_conn(conn, req, fsp)) {
2080
/* unknown 4 bytes: this is not the length of the sid :-( */
2081
/*unknown = IVAL(pdata,0);*/
2083
if (!sid_parse(pdata+4,sid_len,&sid)) {
2084
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2088
DEBUGADD(10, ("for SID: %s\n", sid_string_dbg(&sid)));
2090
if (!sid_to_uid(&sid, &uid)) {
2091
DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
2092
sid_string_dbg(&sid),
2093
(unsigned long)sid_len));
2097
/* we can take a look at the find source :-)
2099
* find ./ -uid $uid -name '*' is what we need here
2102
* and send 4bytes len and then NULL terminated unicode strings
2105
* but I don't know how to deal with the paged results
2106
* (maybe we can hang the result anywhere in the fsp struct)
2108
* we don't send all files at once
2109
* and at the next we should *not* start from the beginning,
2110
* so we have to cache the result
2115
/* this works for now... */
2116
send_nt_replies(conn, req, NT_STATUS_OK, NULL, 0, NULL, 0);
2120
if (!logged_ioctl_message) {
2121
logged_ioctl_message = true; /* Only print this once... */
2122
DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
2127
reply_nterror(req, NT_STATUS_NOT_SUPPORTED);
2131
#ifdef HAVE_SYS_QUOTAS
2132
/****************************************************************************
2133
Reply to get user quota
2134
****************************************************************************/
2136
static void call_nt_transact_get_user_quota(connection_struct *conn,
2137
struct smb_request *req,
2141
uint32 parameter_count,
2144
uint32 max_data_count)
2146
NTSTATUS nt_status = NT_STATUS_OK;
2147
char *params = *ppparams;
2148
char *pdata = *ppdata;
2150
int data_len=0,param_len=0;
2153
files_struct *fsp = NULL;
2157
bool start_enum = True;
2158
SMB_NTQUOTA_STRUCT qt;
2159
SMB_NTQUOTA_LIST *tmp_list;
2160
SMB_NTQUOTA_HANDLE *qt_handle = NULL;
2165
if (conn->server_info->utok.uid != 0) {
2166
DEBUG(1,("get_user_quota: access_denied service [%s] user "
2167
"[%s]\n", lp_servicename(SNUM(conn)),
2168
conn->server_info->unix_name));
2169
reply_doserror(req, ERRDOS, ERRnoaccess);
2174
* Ensure minimum number of parameters sent.
2177
if (parameter_count < 4) {
2178
DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
2179
reply_doserror(req, ERRDOS, ERRinvalidparam);
2183
/* maybe we can check the quota_fnum */
2184
fsp = file_fsp(req, SVAL(params,0));
2185
if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2186
DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2187
reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2191
/* the NULL pointer checking for fsp->fake_file_handle->pd
2192
* is done by CHECK_NTQUOTA_HANDLE_OK()
2194
qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->private_data;
2196
level = SVAL(params,2);
2198
/* unknown 12 bytes leading in params */
2201
case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
2202
/* seems that we should continue with the enum here --metze */
2204
if (qt_handle->quota_list!=NULL &&
2205
qt_handle->tmp_list==NULL) {
2208
free_ntquota_list(&(qt_handle->quota_list));
2210
/* Realloc the size of parameters and data we will return */
2212
params = nttrans_realloc(ppparams, param_len);
2213
if(params == NULL) {
2214
reply_doserror(req, ERRDOS, ERRnomem);
2219
SIVAL(params,0,data_len);
2226
case TRANSACT_GET_USER_QUOTA_LIST_START:
2228
if (qt_handle->quota_list==NULL &&
2229
qt_handle->tmp_list==NULL) {
2233
if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0) {
2234
reply_doserror(req, ERRSRV, ERRerror);
2238
/* Realloc the size of parameters and data we will return */
2240
params = nttrans_realloc(ppparams, param_len);
2241
if(params == NULL) {
2242
reply_doserror(req, ERRDOS, ERRnomem);
2246
/* we should not trust the value in max_data_count*/
2247
max_data_count = MIN(max_data_count,2048);
2249
pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
2251
reply_doserror(req, ERRDOS, ERRnomem);
2257
/* set params Size of returned Quota Data 4 bytes*/
2258
/* but set it later when we know it */
2260
/* for each entry push the data */
2263
qt_handle->tmp_list = qt_handle->quota_list;
2266
tmp_list = qt_handle->tmp_list;
2268
for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
2269
tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
2271
sid_len = ndr_size_dom_sid(
2272
&tmp_list->quotas->sid, NULL, 0);
2273
entry_len = 40 + sid_len;
2275
/* nextoffset entry 4 bytes */
2276
SIVAL(entry,0,entry_len);
2278
/* then the len of the SID 4 bytes */
2279
SIVAL(entry,4,sid_len);
2281
/* unknown data 8 bytes uint64_t */
2282
SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-metze*/
2284
/* the used disk space 8 bytes uint64_t */
2285
SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
2287
/* the soft quotas 8 bytes uint64_t */
2288
SBIG_UINT(entry,24,tmp_list->quotas->softlim);
2290
/* the hard quotas 8 bytes uint64_t */
2291
SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
2293
/* and now the SID */
2294
sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
2297
qt_handle->tmp_list = tmp_list;
2299
/* overwrite the offset of the last entry */
2300
SIVAL(entry-entry_len,0,0);
2302
data_len = 4+qt_len;
2303
/* overwrite the params quota_data_len */
2304
SIVAL(params,0,data_len);
2308
case TRANSACT_GET_USER_QUOTA_FOR_SID:
2310
/* unknown 4 bytes IVAL(pdata,0) */
2312
if (data_count < 8) {
2313
DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
2314
reply_doserror(req, ERRDOS, ERRunknownlevel);
2318
sid_len = IVAL(pdata,4);
2319
/* Ensure this is less than 1mb. */
2320
if (sid_len > (1024*1024)) {
2321
reply_doserror(req, ERRDOS, ERRnomem);
2325
if (data_count < 8+sid_len) {
2326
DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
2327
reply_doserror(req, ERRDOS, ERRunknownlevel);
2331
data_len = 4+40+sid_len;
2333
if (max_data_count < data_len) {
2334
DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
2335
max_data_count, data_len));
2337
SIVAL(params,0,data_len);
2339
nt_status = NT_STATUS_BUFFER_TOO_SMALL;
2343
if (!sid_parse(pdata+8,sid_len,&sid)) {
2344
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2348
if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2351
* we have to return zero's in all fields
2352
* instead of returning an error here
2357
/* Realloc the size of parameters and data we will return */
2359
params = nttrans_realloc(ppparams, param_len);
2360
if(params == NULL) {
2361
reply_doserror(req, ERRDOS, ERRnomem);
2365
pdata = nttrans_realloc(ppdata, data_len);
2367
reply_doserror(req, ERRDOS, ERRnomem);
2373
/* set params Size of returned Quota Data 4 bytes*/
2374
SIVAL(params,0,data_len);
2376
/* nextoffset entry 4 bytes */
2379
/* then the len of the SID 4 bytes */
2380
SIVAL(entry,4,sid_len);
2382
/* unknown data 8 bytes uint64_t */
2383
SBIG_UINT(entry,8,(uint64_t)0); /* this is not 0 in windows...-mezte*/
2385
/* the used disk space 8 bytes uint64_t */
2386
SBIG_UINT(entry,16,qt.usedspace);
2388
/* the soft quotas 8 bytes uint64_t */
2389
SBIG_UINT(entry,24,qt.softlim);
2391
/* the hard quotas 8 bytes uint64_t */
2392
SBIG_UINT(entry,32,qt.hardlim);
2394
/* and now the SID */
2395
sid_linearize(entry+40, sid_len, &sid);
2400
DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
2401
reply_doserror(req, ERRSRV, ERRerror);
2406
send_nt_replies(conn, req, nt_status, params, param_len,
2410
/****************************************************************************
2411
Reply to set user quota
2412
****************************************************************************/
2414
static void call_nt_transact_set_user_quota(connection_struct *conn,
2415
struct smb_request *req,
2419
uint32 parameter_count,
2422
uint32 max_data_count)
2424
char *params = *ppparams;
2425
char *pdata = *ppdata;
2426
int data_len=0,param_len=0;
2427
SMB_NTQUOTA_STRUCT qt;
2430
files_struct *fsp = NULL;
2435
if (conn->server_info->utok.uid != 0) {
2436
DEBUG(1,("set_user_quota: access_denied service [%s] user "
2437
"[%s]\n", lp_servicename(SNUM(conn)),
2438
conn->server_info->unix_name));
2439
reply_doserror(req, ERRDOS, ERRnoaccess);
2444
* Ensure minimum number of parameters sent.
2447
if (parameter_count < 2) {
2448
DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
2449
reply_doserror(req, ERRDOS, ERRinvalidparam);
2453
/* maybe we can check the quota_fnum */
2454
fsp = file_fsp(req, SVAL(params,0));
2455
if (!check_fsp_ntquota_handle(conn, req, fsp)) {
2456
DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
2457
reply_nterror(req, NT_STATUS_INVALID_HANDLE);
2461
if (data_count < 40) {
2462
DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
2463
reply_doserror(req, ERRDOS, ERRunknownlevel);
2467
/* offset to next quota record.
2468
* 4 bytes IVAL(pdata,0)
2473
sid_len = IVAL(pdata,4);
2475
if (data_count < 40+sid_len) {
2476
DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
2477
reply_doserror(req, ERRDOS, ERRunknownlevel);
2481
/* unknown 8 bytes in pdata
2482
* maybe its the change time in NTTIME
2485
/* the used space 8 bytes (uint64_t)*/
2486
qt.usedspace = (uint64_t)IVAL(pdata,16);
2487
#ifdef LARGE_SMB_OFF_T
2488
qt.usedspace |= (((uint64_t)IVAL(pdata,20)) << 32);
2489
#else /* LARGE_SMB_OFF_T */
2490
if ((IVAL(pdata,20) != 0)&&
2491
((qt.usedspace != 0xFFFFFFFF)||
2492
(IVAL(pdata,20)!=0xFFFFFFFF))) {
2493
/* more than 32 bits? */
2494
reply_doserror(req, ERRDOS, ERRunknownlevel);
2497
#endif /* LARGE_SMB_OFF_T */
2499
/* the soft quotas 8 bytes (uint64_t)*/
2500
qt.softlim = (uint64_t)IVAL(pdata,24);
2501
#ifdef LARGE_SMB_OFF_T
2502
qt.softlim |= (((uint64_t)IVAL(pdata,28)) << 32);
2503
#else /* LARGE_SMB_OFF_T */
2504
if ((IVAL(pdata,28) != 0)&&
2505
((qt.softlim != 0xFFFFFFFF)||
2506
(IVAL(pdata,28)!=0xFFFFFFFF))) {
2507
/* more than 32 bits? */
2508
reply_doserror(req, ERRDOS, ERRunknownlevel);
2511
#endif /* LARGE_SMB_OFF_T */
2513
/* the hard quotas 8 bytes (uint64_t)*/
2514
qt.hardlim = (uint64_t)IVAL(pdata,32);
2515
#ifdef LARGE_SMB_OFF_T
2516
qt.hardlim |= (((uint64_t)IVAL(pdata,36)) << 32);
2517
#else /* LARGE_SMB_OFF_T */
2518
if ((IVAL(pdata,36) != 0)&&
2519
((qt.hardlim != 0xFFFFFFFF)||
2520
(IVAL(pdata,36)!=0xFFFFFFFF))) {
2521
/* more than 32 bits? */
2522
reply_doserror(req, ERRDOS, ERRunknownlevel);
2525
#endif /* LARGE_SMB_OFF_T */
2527
if (!sid_parse(pdata+40,sid_len,&sid)) {
2528
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2532
DEBUGADD(8,("SID: %s\n", sid_string_dbg(&sid)));
2534
/* 44 unknown bytes left... */
2536
if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
2537
reply_doserror(req, ERRSRV, ERRerror);
2541
send_nt_replies(conn, req, NT_STATUS_OK, params, param_len,
2544
#endif /* HAVE_SYS_QUOTAS */
2546
static void handle_nttrans(connection_struct *conn,
2547
struct trans_state *state,
2548
struct smb_request *req)
2550
if (Protocol >= PROTOCOL_NT1) {
2551
req->flags2 |= 0x40; /* IS_LONG_NAME */
2552
SSVAL(req->inbuf,smb_flg2,req->flags2);
2556
SMB_PERFCOUNT_SET_SUBOP(&req->pcd, state->call);
2558
/* Now we must call the relevant NT_TRANS function */
2559
switch(state->call) {
2560
case NT_TRANSACT_CREATE:
2562
START_PROFILE(NT_transact_create);
2563
call_nt_transact_create(
2565
&state->setup, state->setup_count,
2566
&state->param, state->total_param,
2567
&state->data, state->total_data,
2568
state->max_data_return);
2569
END_PROFILE(NT_transact_create);
2573
case NT_TRANSACT_IOCTL:
2575
START_PROFILE(NT_transact_ioctl);
2576
call_nt_transact_ioctl(
2578
&state->setup, state->setup_count,
2579
&state->param, state->total_param,
2580
&state->data, state->total_data,
2581
state->max_data_return);
2582
END_PROFILE(NT_transact_ioctl);
2586
case NT_TRANSACT_SET_SECURITY_DESC:
2588
START_PROFILE(NT_transact_set_security_desc);
2589
call_nt_transact_set_security_desc(
2591
&state->setup, state->setup_count,
2592
&state->param, state->total_param,
2593
&state->data, state->total_data,
2594
state->max_data_return);
2595
END_PROFILE(NT_transact_set_security_desc);
2599
case NT_TRANSACT_NOTIFY_CHANGE:
2601
START_PROFILE(NT_transact_notify_change);
2602
call_nt_transact_notify_change(
2604
&state->setup, state->setup_count,
2605
&state->param, state->total_param,
2606
&state->data, state->total_data,
2607
state->max_data_return,
2608
state->max_param_return);
2609
END_PROFILE(NT_transact_notify_change);
2613
case NT_TRANSACT_RENAME:
2615
START_PROFILE(NT_transact_rename);
2616
call_nt_transact_rename(
2618
&state->setup, state->setup_count,
2619
&state->param, state->total_param,
2620
&state->data, state->total_data,
2621
state->max_data_return);
2622
END_PROFILE(NT_transact_rename);
2626
case NT_TRANSACT_QUERY_SECURITY_DESC:
2628
START_PROFILE(NT_transact_query_security_desc);
2629
call_nt_transact_query_security_desc(
2631
&state->setup, state->setup_count,
2632
&state->param, state->total_param,
2633
&state->data, state->total_data,
2634
state->max_data_return);
2635
END_PROFILE(NT_transact_query_security_desc);
2639
#ifdef HAVE_SYS_QUOTAS
2640
case NT_TRANSACT_GET_USER_QUOTA:
2642
START_PROFILE(NT_transact_get_user_quota);
2643
call_nt_transact_get_user_quota(
2645
&state->setup, state->setup_count,
2646
&state->param, state->total_param,
2647
&state->data, state->total_data,
2648
state->max_data_return);
2649
END_PROFILE(NT_transact_get_user_quota);
2653
case NT_TRANSACT_SET_USER_QUOTA:
2655
START_PROFILE(NT_transact_set_user_quota);
2656
call_nt_transact_set_user_quota(
2658
&state->setup, state->setup_count,
2659
&state->param, state->total_param,
2660
&state->data, state->total_data,
2661
state->max_data_return);
2662
END_PROFILE(NT_transact_set_user_quota);
2665
#endif /* HAVE_SYS_QUOTAS */
2668
/* Error in request */
2669
DEBUG(0,("handle_nttrans: Unknown request %d in "
2670
"nttrans call\n", state->call));
2671
reply_doserror(req, ERRSRV, ERRerror);
2677
/****************************************************************************
2678
Reply to a SMBNTtrans.
2679
****************************************************************************/
2681
void reply_nttrans(struct smb_request *req)
2683
connection_struct *conn = req->conn;
2688
uint16 function_code;
2690
struct trans_state *state;
2692
START_PROFILE(SMBnttrans);
2694
if (req->wct < 19) {
2695
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2696
END_PROFILE(SMBnttrans);
2700
pscnt = IVAL(req->vwv+9, 1);
2701
psoff = IVAL(req->vwv+11, 1);
2702
dscnt = IVAL(req->vwv+13, 1);
2703
dsoff = IVAL(req->vwv+15, 1);
2704
function_code = SVAL(req->vwv+18, 0);
2706
if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
2707
reply_doserror(req, ERRSRV, ERRaccess);
2708
END_PROFILE(SMBnttrans);
2712
result = allow_new_trans(conn->pending_trans, req->mid);
2713
if (!NT_STATUS_IS_OK(result)) {
2714
DEBUG(2, ("Got invalid nttrans request: %s\n", nt_errstr(result)));
2715
reply_nterror(req, result);
2716
END_PROFILE(SMBnttrans);
2720
if ((state = TALLOC_P(conn, struct trans_state)) == NULL) {
2721
reply_doserror(req, ERRSRV, ERRaccess);
2722
END_PROFILE(SMBnttrans);
2726
state->cmd = SMBnttrans;
2728
state->mid = req->mid;
2729
state->vuid = req->vuid;
2730
state->total_data = IVAL(req->vwv+3, 1);
2732
state->total_param = IVAL(req->vwv+1, 1);
2733
state->param = NULL;
2734
state->max_data_return = IVAL(req->vwv+7, 1);
2735
state->max_param_return = IVAL(req->vwv+5, 1);
2737
/* setup count is in *words* */
2738
state->setup_count = 2*CVAL(req->vwv+17, 1);
2739
state->setup = NULL;
2740
state->call = function_code;
2742
DEBUG(10, ("num_setup=%u, "
2743
"param_total=%u, this_param=%u, max_param=%u, "
2744
"data_total=%u, this_data=%u, max_data=%u, "
2745
"param_offset=%u, data_offset=%u\n",
2746
(unsigned)state->setup_count,
2747
(unsigned)state->total_param, (unsigned)pscnt,
2748
(unsigned)state->max_param_return,
2749
(unsigned)state->total_data, (unsigned)dscnt,
2750
(unsigned)state->max_data_return,
2751
(unsigned)psoff, (unsigned)dsoff));
2754
* All nttrans messages we handle have smb_wct == 19 +
2755
* state->setup_count. Ensure this is so as a sanity check.
2758
if(req->wct != 19 + (state->setup_count/2)) {
2759
DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
2760
req->wct, 19 + (state->setup_count/2)));
2764
/* Don't allow more than 128mb for each value. */
2765
if ((state->total_data > (1024*1024*128)) ||
2766
(state->total_param > (1024*1024*128))) {
2767
reply_doserror(req, ERRDOS, ERRnomem);
2768
END_PROFILE(SMBnttrans);
2772
if ((dscnt > state->total_data) || (pscnt > state->total_param))
2775
if (state->total_data) {
2777
if (trans_oob(state->total_data, 0, dscnt)
2778
|| trans_oob(smb_len(req->inbuf), dsoff, dscnt)) {
2782
/* Can't use talloc here, the core routines do realloc on the
2783
* params and data. */
2784
if ((state->data = (char *)SMB_MALLOC(state->total_data)) == NULL) {
2785
DEBUG(0,("reply_nttrans: data malloc fail for %u "
2786
"bytes !\n", (unsigned int)state->total_data));
2788
reply_doserror(req, ERRDOS, ERRnomem);
2789
END_PROFILE(SMBnttrans);
2793
memcpy(state->data,smb_base(req->inbuf)+dsoff,dscnt);
2796
if (state->total_param) {
2798
if (trans_oob(state->total_param, 0, pscnt)
2799
|| trans_oob(smb_len(req->inbuf), psoff, pscnt)) {
2803
/* Can't use talloc here, the core routines do realloc on the
2804
* params and data. */
2805
if ((state->param = (char *)SMB_MALLOC(state->total_param)) == NULL) {
2806
DEBUG(0,("reply_nttrans: param malloc fail for %u "
2807
"bytes !\n", (unsigned int)state->total_param));
2808
SAFE_FREE(state->data);
2810
reply_doserror(req, ERRDOS, ERRnomem);
2811
END_PROFILE(SMBnttrans);
2815
memcpy(state->param,smb_base(req->inbuf)+psoff,pscnt);
2818
state->received_data = dscnt;
2819
state->received_param = pscnt;
2821
if(state->setup_count > 0) {
2822
DEBUG(10,("reply_nttrans: state->setup_count = %d\n",
2823
state->setup_count));
2826
* No overflow possible here, state->setup_count is an
2827
* unsigned int, being filled by a single byte from
2828
* CVAL(req->vwv+13, 0) above. The cast in the comparison
2829
* below is not necessary, it's here to clarify things. The
2830
* validity of req->vwv and req->wct has been checked in
2831
* init_smb_request already.
2833
if ((state->setup_count/2) + 19 > (unsigned int)req->wct) {
2837
state->setup = (uint16 *)TALLOC(state, state->setup_count);
2838
if (state->setup == NULL) {
2839
DEBUG(0,("reply_nttrans : Out of memory\n"));
2840
SAFE_FREE(state->data);
2841
SAFE_FREE(state->param);
2843
reply_doserror(req, ERRDOS, ERRnomem);
2844
END_PROFILE(SMBnttrans);
2848
memcpy(state->setup, req->vwv+19, state->setup_count);
2849
dump_data(10, (uint8 *)state->setup, state->setup_count);
2852
if ((state->received_data == state->total_data) &&
2853
(state->received_param == state->total_param)) {
2854
handle_nttrans(conn, state, req);
2855
SAFE_FREE(state->param);
2856
SAFE_FREE(state->data);
2858
END_PROFILE(SMBnttrans);
2862
DLIST_ADD(conn->pending_trans, state);
2864
/* We need to send an interim response then receive the rest
2865
of the parameter/data bytes */
2866
reply_outbuf(req, 0, 0);
2867
show_msg((char *)req->outbuf);
2868
END_PROFILE(SMBnttrans);
2873
DEBUG(0,("reply_nttrans: invalid trans parameters\n"));
2874
SAFE_FREE(state->data);
2875
SAFE_FREE(state->param);
2877
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2878
END_PROFILE(SMBnttrans);
2882
/****************************************************************************
2883
Reply to a SMBnttranss
2884
****************************************************************************/
2886
void reply_nttranss(struct smb_request *req)
2888
connection_struct *conn = req->conn;
2889
uint32_t pcnt,poff,dcnt,doff,pdisp,ddisp;
2890
struct trans_state *state;
2892
START_PROFILE(SMBnttranss);
2894
show_msg((char *)req->inbuf);
2896
if (req->wct < 18) {
2897
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2898
END_PROFILE(SMBnttranss);
2902
for (state = conn->pending_trans; state != NULL;
2903
state = state->next) {
2904
if (state->mid == req->mid) {
2909
if ((state == NULL) || (state->cmd != SMBnttrans)) {
2910
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2911
END_PROFILE(SMBnttranss);
2915
/* Revise state->total_param and state->total_data in case they have
2916
changed downwards */
2917
if (IVAL(req->vwv+1, 1) < state->total_param) {
2918
state->total_param = IVAL(req->vwv+1, 1);
2920
if (IVAL(req->vwv+3, 1) < state->total_data) {
2921
state->total_data = IVAL(req->vwv+3, 1);
2924
pcnt = IVAL(req->vwv+5, 1);
2925
poff = IVAL(req->vwv+7, 1);
2926
pdisp = IVAL(req->vwv+9, 1);
2928
dcnt = IVAL(req->vwv+11, 1);
2929
doff = IVAL(req->vwv+13, 1);
2930
ddisp = IVAL(req->vwv+15, 1);
2932
state->received_param += pcnt;
2933
state->received_data += dcnt;
2935
if ((state->received_data > state->total_data) ||
2936
(state->received_param > state->total_param))
2940
if (trans_oob(state->total_param, pdisp, pcnt)
2941
|| trans_oob(smb_len(req->inbuf), poff, pcnt)) {
2944
memcpy(state->param+pdisp, smb_base(req->inbuf)+poff,pcnt);
2948
if (trans_oob(state->total_data, ddisp, dcnt)
2949
|| trans_oob(smb_len(req->inbuf), doff, dcnt)) {
2952
memcpy(state->data+ddisp, smb_base(req->inbuf)+doff,dcnt);
2955
if ((state->received_param < state->total_param) ||
2956
(state->received_data < state->total_data)) {
2957
END_PROFILE(SMBnttranss);
2961
handle_nttrans(conn, state, req);
2963
DLIST_REMOVE(conn->pending_trans, state);
2964
SAFE_FREE(state->data);
2965
SAFE_FREE(state->param);
2967
END_PROFILE(SMBnttranss);
2972
DEBUG(0,("reply_nttranss: invalid trans parameters\n"));
2973
DLIST_REMOVE(conn->pending_trans, state);
2974
SAFE_FREE(state->data);
2975
SAFE_FREE(state->param);
2977
reply_nterror(req, NT_STATUS_INVALID_PARAMETER);
2978
END_PROFILE(SMBnttranss);
added
removed
source3/smbd/nttrans.c
