--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ SMB NT transaction handling
+ Copyright (C) Jeremy Allison 1994-1998
+ Copyright (C) Stefan (metze) Metzmacher 2003
+
+ 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"
+
+extern int max_send;
+extern enum protocol_types Protocol;
+extern int smb_read_error;
+extern struct current_user current_user;
+
+static const char *known_nt_pipes[] = {
+ "\\LANMAN",
+ "\\srvsvc",
+ "\\samr",
+ "\\wkssvc",
+ "\\NETLOGON",
+ "\\ntlsa",
+ "\\ntsvcs",
+ "\\lsass",
+ "\\lsarpc",
+ "\\winreg",
+ "\\spoolss",
+ "\\netdfs",
+ "\\rpcecho",
+ "\\svcctl",
+ "\\eventlog",
+ "\\unixinfo",
+ NULL
+};
+
+static char *nttrans_realloc(char **ptr, size_t size)
+{
+ char *tptr = NULL;
+ if (ptr==NULL) {
+ smb_panic("nttrans_realloc() called with NULL ptr\n");
+ }
+
+ tptr = SMB_REALLOC(*ptr, size);
+ if(tptr == NULL) {
+ *ptr = NULL;
+ return NULL;
+ }
+ memset(tptr,'\0',size);
+
+ *ptr = tptr;
+
+ return tptr;
+}
+
+/****************************************************************************
+ Send the required number of replies back.
+ We assume all fields other than the data fields are
+ set correctly for the type of call.
+ HACK ! Always assumes smb_setup field is zero.
+****************************************************************************/
+
+static int send_nt_replies(char *inbuf, char *outbuf, int bufsize, NTSTATUS nt_error, char *params,
+ int paramsize, char *pdata, int datasize)
+{
+ int data_to_send = datasize;
+ int params_to_send = paramsize;
+ int useable_space;
+ char *pp = params;
+ char *pd = pdata;
+ int params_sent_thistime, data_sent_thistime, total_sent_thistime;
+ int alignment_offset = 3;
+ int data_alignment_offset = 0;
+
+ /*
+ * Initially set the wcnt area to be 18 - this is true for all
+ * transNT replies.
+ */
+
+ set_message(outbuf,18,0,True);
+
+ if (NT_STATUS_V(nt_error)) {
+ ERROR_NT(nt_error);
+ }
+
+ /*
+ * If there genuinely are no parameters or data to send just send
+ * the empty packet.
+ */
+
+ if(params_to_send == 0 && data_to_send == 0) {
+ show_msg(outbuf);
+ if (!send_smb(smbd_server_fd(),outbuf)) {
+ exit_server("send_nt_replies: send_smb failed.");
+ }
+ return 0;
+ }
+
+ /*
+ * When sending params and data ensure that both are nicely aligned.
+ * Only do this alignment when there is also data to send - else
+ * can cause NT redirector problems.
+ */
+
+ if (((params_to_send % 4) != 0) && (data_to_send != 0)) {
+ data_alignment_offset = 4 - (params_to_send % 4);
+ }
+
+ /*
+ * Space is bufsize minus Netbios over TCP header minus SMB header.
+ * The alignment_offset is to align the param bytes on a four byte
+ * boundary (2 bytes for data len, one byte pad).
+ * NT needs this to work correctly.
+ */
+
+ useable_space = bufsize - ((smb_buf(outbuf)+
+ alignment_offset+data_alignment_offset) -
+ outbuf);
+
+ /*
+ * useable_space can never be more than max_send minus the
+ * alignment offset.
+ */
+
+ useable_space = MIN(useable_space,
+ max_send - (alignment_offset+data_alignment_offset));
+
+
+ while (params_to_send || data_to_send) {
+
+ /*
+ * Calculate whether we will totally or partially fill this packet.
+ */
+
+ total_sent_thistime = params_to_send + data_to_send +
+ alignment_offset + data_alignment_offset;
+
+ /*
+ * We can never send more than useable_space.
+ */
+
+ total_sent_thistime = MIN(total_sent_thistime, useable_space);
+
+ set_message(outbuf, 18, total_sent_thistime, True);
+
+ /*
+ * Set total params and data to be sent.
+ */
+
+ SIVAL(outbuf,smb_ntr_TotalParameterCount,paramsize);
+ SIVAL(outbuf,smb_ntr_TotalDataCount,datasize);
+
+ /*
+ * Calculate how many parameters and data we can fit into
+ * this packet. Parameters get precedence.
+ */
+
+ params_sent_thistime = MIN(params_to_send,useable_space);
+ data_sent_thistime = useable_space - params_sent_thistime;
+ data_sent_thistime = MIN(data_sent_thistime,data_to_send);
+
+ SIVAL(outbuf,smb_ntr_ParameterCount,params_sent_thistime);
+
+ if(params_sent_thistime == 0) {
+ SIVAL(outbuf,smb_ntr_ParameterOffset,0);
+ SIVAL(outbuf,smb_ntr_ParameterDisplacement,0);
+ } else {
+ /*
+ * smb_ntr_ParameterOffset is the offset from the start of the SMB header to the
+ * parameter bytes, however the first 4 bytes of outbuf are
+ * the Netbios over TCP header. Thus use smb_base() to subtract
+ * them from the calculation.
+ */
+
+ SIVAL(outbuf,smb_ntr_ParameterOffset,
+ ((smb_buf(outbuf)+alignment_offset) - smb_base(outbuf)));
+ /*
+ * Absolute displacement of param bytes sent in this packet.
+ */
+
+ SIVAL(outbuf,smb_ntr_ParameterDisplacement,pp - params);
+ }
+
+ /*
+ * Deal with the data portion.
+ */
+
+ SIVAL(outbuf,smb_ntr_DataCount, data_sent_thistime);
+
+ if(data_sent_thistime == 0) {
+ SIVAL(outbuf,smb_ntr_DataOffset,0);
+ SIVAL(outbuf,smb_ntr_DataDisplacement, 0);
+ } else {
+ /*
+ * The offset of the data bytes is the offset of the
+ * parameter bytes plus the number of parameters being sent this time.
+ */
+
+ SIVAL(outbuf,smb_ntr_DataOffset,((smb_buf(outbuf)+alignment_offset) -
+ smb_base(outbuf)) + params_sent_thistime + data_alignment_offset);
+ SIVAL(outbuf,smb_ntr_DataDisplacement, pd - pdata);
+ }
+
+ /*
+ * Copy the param bytes into the packet.
+ */
+
+ if(params_sent_thistime) {
+ memcpy((smb_buf(outbuf)+alignment_offset),pp,params_sent_thistime);
+ }
+
+ /*
+ * Copy in the data bytes
+ */
+
+ if(data_sent_thistime) {
+ memcpy(smb_buf(outbuf)+alignment_offset+params_sent_thistime+
+ data_alignment_offset,pd,data_sent_thistime);
+ }
+
+ DEBUG(9,("nt_rep: params_sent_thistime = %d, data_sent_thistime = %d, useable_space = %d\n",
+ params_sent_thistime, data_sent_thistime, useable_space));
+ DEBUG(9,("nt_rep: params_to_send = %d, data_to_send = %d, paramsize = %d, datasize = %d\n",
+ params_to_send, data_to_send, paramsize, datasize));
+
+ /* Send the packet */
+ show_msg(outbuf);
+ if (!send_smb(smbd_server_fd(),outbuf)) {
+ exit_server("send_nt_replies: send_smb failed.");
+ }
+
+ pp += params_sent_thistime;
+ pd += data_sent_thistime;
+
+ params_to_send -= params_sent_thistime;
+ data_to_send -= data_sent_thistime;
+
+ /*
+ * Sanity check
+ */
+
+ if(params_to_send < 0 || data_to_send < 0) {
+ DEBUG(0,("send_nt_replies failed sanity check pts = %d, dts = %d\n!!!",
+ params_to_send, data_to_send));
+ return -1;
+ }
+ }
+
+ return 0;
+}
+
+/****************************************************************************
+ Is it an NTFS stream name ?
+****************************************************************************/
+
+BOOL is_ntfs_stream_name(const char *fname)
+{
+ if (lp_posix_pathnames()) {
+ return False;
+ }
+ return (strchr_m(fname, ':') != NULL) ? True : False;
+}
+
+/****************************************************************************
+ Save case statics.
+****************************************************************************/
+
+static BOOL saved_case_sensitive;
+static BOOL saved_case_preserve;
+static BOOL saved_short_case_preserve;
+
+/****************************************************************************
+ Save case semantics.
+****************************************************************************/
+
+static void set_posix_case_semantics(connection_struct *conn, uint32 file_attributes)
+{
+ if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
+ return;
+ }
+
+ saved_case_sensitive = conn->case_sensitive;
+ saved_case_preserve = conn->case_preserve;
+ saved_short_case_preserve = conn->short_case_preserve;
+
+ /* Set to POSIX. */
+ conn->case_sensitive = True;
+ conn->case_preserve = True;
+ conn->short_case_preserve = True;
+}
+
+/****************************************************************************
+ Restore case semantics.
+****************************************************************************/
+
+static void restore_case_semantics(connection_struct *conn, uint32 file_attributes)
+{
+ if(!(file_attributes & FILE_FLAG_POSIX_SEMANTICS)) {
+ return;
+ }
+
+ conn->case_sensitive = saved_case_sensitive;
+ conn->case_preserve = saved_case_preserve;
+ conn->short_case_preserve = saved_short_case_preserve;
+}
+
+/****************************************************************************
+ Reply to an NT create and X call on a pipe.
+****************************************************************************/
+
+static int nt_open_pipe(char *fname, connection_struct *conn,
+ char *inbuf, char *outbuf, int *ppnum)
+{
+ smb_np_struct *p = NULL;
+ uint16 vuid = SVAL(inbuf, smb_uid);
+ int i;
+
+ DEBUG(4,("nt_open_pipe: Opening pipe %s.\n", fname));
+
+ /* See if it is one we want to handle. */
+
+ if (lp_disable_spoolss() && strequal(fname, "\\spoolss")) {
+ return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
+ }
+
+ for( i = 0; known_nt_pipes[i]; i++ ) {
+ if( strequal(fname,known_nt_pipes[i])) {
+ break;
+ }
+ }
+
+ if ( known_nt_pipes[i] == NULL ) {
+ return(ERROR_BOTH(NT_STATUS_OBJECT_NAME_NOT_FOUND,ERRDOS,ERRbadpipe));
+ }
+
+ /* Strip \\ off the name. */
+ fname++;
+
+ DEBUG(3,("nt_open_pipe: Known pipe %s opening.\n", fname));
+
+ p = open_rpc_pipe_p(fname, conn, vuid);
+ if (!p) {
+ return(ERROR_DOS(ERRSRV,ERRnofids));
+ }
+
+ *ppnum = p->pnum;
+ return 0;
+}
+
+/****************************************************************************
+ Reply to an NT create and X call for pipes.
+****************************************************************************/
+
+static int do_ntcreate_pipe_open(connection_struct *conn,
+ char *inbuf,char *outbuf,int length,int bufsize)
+{
+ pstring fname;
+ int ret;
+ int pnum = -1;
+ char *p = NULL;
+
+ srvstr_pull_buf(inbuf, fname, smb_buf(inbuf), sizeof(fname), STR_TERMINATE);
+
+ if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
+ return ret;
+ }
+
+ /*
+ * Deal with pipe return.
+ */
+
+ set_message(outbuf,34,0,True);
+
+ p = outbuf + smb_vwv2;
+ p++;
+ SSVAL(p,0,pnum);
+ p += 2;
+ SIVAL(p,0,FILE_WAS_OPENED);
+ p += 4;
+ p += 32;
+ SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
+ p += 20;
+ /* File type. */
+ SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
+ /* Device state. */
+ SSVAL(p,2, 0x5FF); /* ? */
+
+ DEBUG(5,("do_ntcreate_pipe_open: open pipe = %s\n", fname));
+
+ return chain_reply(inbuf,outbuf,length,bufsize);
+}
+
+/****************************************************************************
+ Reply to an NT create and X call for a quota file.
+****************************************************************************/
+
+int reply_ntcreate_and_X_quota(connection_struct *conn,
+ char *inbuf,
+ char *outbuf,
+ int length,
+ int bufsize,
+ enum FAKE_FILE_TYPE fake_file_type,
+ const char *fname)
+{
+ int result;
+ char *p;
+ uint32 desired_access = IVAL(inbuf,smb_ntcreate_DesiredAccess);
+ files_struct *fsp = open_fake_file(conn, fake_file_type, fname, desired_access);
+
+ if (!fsp) {
+ return ERROR_NT(NT_STATUS_ACCESS_DENIED);
+ }
+
+ set_message(outbuf,34,0,True);
+
+ p = outbuf + smb_vwv2;
+
+ /* SCVAL(p,0,NO_OPLOCK_RETURN); */
+ p++;
+ SSVAL(p,0,fsp->fnum);
+#if 0
+ p += 2;
+ SIVAL(p,0,smb_action);
+ p += 4;
+
+ /* Create time. */
+ put_long_date(p,c_time);
+ p += 8;
+ put_long_date(p,sbuf.st_atime); /* access time */
+ p += 8;
+ put_long_date(p,sbuf.st_mtime); /* write time */
+ p += 8;
+ put_long_date(p,sbuf.st_mtime); /* change time */
+ p += 8;
+ SIVAL(p,0,fattr); /* File Attributes. */
+ p += 4;
+ SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
+ p += 8;
+ SOFF_T(p,0,file_len);
+ p += 8;
+ if (flags & EXTENDED_RESPONSE_REQUIRED)
+ SSVAL(p,2,0x7);
+ p += 4;
+ SCVAL(p,0,fsp->is_directory ? 1 : 0);
+#endif
+
+ DEBUG(5,("reply_ntcreate_and_X_quota: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
+
+ result = chain_reply(inbuf,outbuf,length,bufsize);
+ return result;
+}
+
+/****************************************************************************
+ Reply to an NT create and X call.
+****************************************************************************/
+
+int reply_ntcreate_and_X(connection_struct *conn,
+ char *inbuf,char *outbuf,int length,int bufsize)
+{
+ int result;
+ pstring fname;
+ uint32 flags = IVAL(inbuf,smb_ntcreate_Flags);
+ uint32 access_mask = IVAL(inbuf,smb_ntcreate_DesiredAccess);
+ uint32 file_attributes = IVAL(inbuf,smb_ntcreate_FileAttributes);
+ uint32 share_access = IVAL(inbuf,smb_ntcreate_ShareAccess);
+ uint32 create_disposition = IVAL(inbuf,smb_ntcreate_CreateDisposition);
+ uint32 create_options = IVAL(inbuf,smb_ntcreate_CreateOptions);
+ uint16 root_dir_fid = (uint16)IVAL(inbuf,smb_ntcreate_RootDirectoryFid);
+ /* Breakout the oplock request bits so we can set the
+ reply bits separately. */
+ int oplock_request = 0;
+ uint32 fattr=0;
+ SMB_OFF_T file_len = 0;
+ SMB_STRUCT_STAT sbuf;
+ int info = 0;
+ BOOL bad_path = False;
+ files_struct *fsp=NULL;
+ char *p = NULL;
+ time_t c_time;
+ BOOL extended_oplock_granted = False;
+ NTSTATUS status;
+
+ START_PROFILE(SMBntcreateX);
+
+ DEBUG(10,("reply_ntcreateX: flags = 0x%x, access_mask = 0x%x \
+file_attributes = 0x%x, share_access = 0x%x, create_disposition = 0x%x \
+create_options = 0x%x root_dir_fid = 0x%x\n",
+ (unsigned int)flags,
+ (unsigned int)access_mask,
+ (unsigned int)file_attributes,
+ (unsigned int)share_access,
+ (unsigned int)create_disposition,
+ (unsigned int)create_options,
+ (unsigned int)root_dir_fid ));
+
+ /* If it's an IPC, use the pipe handler. */
+
+ if (IS_IPC(conn)) {
+ if (lp_nt_pipe_support()) {
+ END_PROFILE(SMBntcreateX);
+ return do_ntcreate_pipe_open(conn,inbuf,outbuf,length,bufsize);
+ } else {
+ END_PROFILE(SMBntcreateX);
+ return(ERROR_DOS(ERRDOS,ERRnoaccess));
+ }
+ }
+
+ if (create_options & FILE_OPEN_BY_FILE_ID) {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
+ }
+
+ /*
+ * Get the file name.
+ */
+
+ if(root_dir_fid != 0) {
+ /*
+ * This filename is relative to a directory fid.
+ */
+ pstring rel_fname;
+ files_struct *dir_fsp = file_fsp(inbuf,smb_ntcreate_RootDirectoryFid);
+ size_t dir_name_len;
+
+ if(!dir_fsp) {
+ END_PROFILE(SMBntcreateX);
+ return(ERROR_DOS(ERRDOS,ERRbadfid));
+ }
+
+ if(!dir_fsp->is_directory) {
+
+ srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(status);
+ }
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if( is_ntfs_stream_name(fname)) {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
+
+ /*
+ we need to handle the case when we get a
+ relative open relative to a file and the
+ pathname is blank - this is a reopen!
+ (hint from demyn plantenberg)
+ */
+
+ END_PROFILE(SMBntcreateX);
+ return(ERROR_DOS(ERRDOS,ERRbadfid));
+ }
+
+ /*
+ * Copy in the base directory name.
+ */
+
+ pstrcpy( fname, dir_fsp->fsp_name );
+ dir_name_len = strlen(fname);
+
+ /*
+ * Ensure it ends in a '\'.
+ */
+
+ if(fname[dir_name_len-1] != '\\' && fname[dir_name_len-1] != '/') {
+ pstrcat(fname, "/");
+ dir_name_len++;
+ }
+
+ srvstr_get_path(inbuf, rel_fname, smb_buf(inbuf), sizeof(rel_fname), 0, STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(status);
+ }
+ pstrcat(fname, rel_fname);
+ } else {
+ srvstr_get_path(inbuf, fname, smb_buf(inbuf), sizeof(fname), 0, STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(status);
+ }
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if( is_ntfs_stream_name(fname)) {
+ enum FAKE_FILE_TYPE fake_file_type = is_fake_file(fname);
+ if (fake_file_type!=FAKE_FILE_TYPE_NONE) {
+ /*
+ * Here we go! support for changing the disk quotas --metze
+ *
+ * We need to fake up to open this MAGIC QUOTA file
+ * and return a valid FID.
+ *
+ * w2k close this file directly after openening
+ * xp also tries a QUERY_FILE_INFO on the file and then close it
+ */
+ result = reply_ntcreate_and_X_quota(conn, inbuf, outbuf, length, bufsize,
+ fake_file_type, fname);
+ END_PROFILE(SMBntcreateX);
+ return result;
+ } else {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
+ }
+ }
+
+ /*
+ * Now contruct the smb_open_mode value from the filename,
+ * desired access and the share access.
+ */
+ RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
+
+ oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
+ if (oplock_request) {
+ oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
+ }
+
+ /*
+ * Ordinary file or directory.
+ */
+
+ /*
+ * Check if POSIX semantics are wanted.
+ */
+
+ set_posix_case_semantics(conn, file_attributes);
+
+ unix_convert(fname,conn,0,&bad_path,&sbuf);
+
+ if (bad_path) {
+ restore_case_semantics(conn, file_attributes);
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
+ /* All file access must go through check_name() */
+ if (!check_name(fname,conn)) {
+ restore_case_semantics(conn, file_attributes);
+ END_PROFILE(SMBntcreateX);
+ return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
+ }
+
+#if 0
+ /* This is the correct thing to do (check every time) but can_delete is
+ expensive (it may have to read the parent directory permissions). So
+ for now we're not doing it unless we have a strong hint the client
+ is really going to delete this file. */
+ if (desired_access & DELETE_ACCESS) {
+#else
+ /* Setting FILE_SHARE_DELETE is the hint. */
+ if (lp_acl_check_permissions(SNUM(conn)) && (share_access & FILE_SHARE_DELETE)
+ && (access_mask & DELETE_ACCESS)) {
+#endif
+ status = can_delete(conn, fname, file_attributes, bad_path, True);
+ /* We're only going to fail here if it's access denied, as that's the
+ only error we care about for "can we delete this ?" questions. */
+ if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
+ NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
+ restore_case_semantics(conn, file_attributes);
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_ACCESS_DENIED);
+ }
+ }
+
+ /*
+ * If it's a request for a directory open, deal with it separately.
+ */
+
+ if(create_options & FILE_DIRECTORY_FILE) {
+ oplock_request = 0;
+
+ /* Can't open a temp directory. IFS kit test. */
+ if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ fsp = open_directory(conn, fname, &sbuf,
+ access_mask,
+ share_access,
+ create_disposition,
+ create_options,
+ &info);
+
+ restore_case_semantics(conn, file_attributes);
+
+ if(!fsp) {
+ END_PROFILE(SMBntcreateX);
+ return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
+ }
+ } else {
+ /*
+ * Ordinary file case.
+ */
+
+ /* NB. We have a potential bug here. If we
+ * cause an oplock break to ourselves, then we
+ * could end up processing filename related
+ * SMB requests whilst we await the oplock
+ * break response. As we may have changed the
+ * filename case semantics to be POSIX-like,
+ * this could mean a filename request could
+ * fail when it should succeed. This is a rare
+ * condition, but eventually we must arrange
+ * to restore the correct case semantics
+ * before issuing an oplock break request to
+ * our client. JRA. */
+
+ fsp = open_file_ntcreate(conn,fname,&sbuf,
+ access_mask,
+ share_access,
+ create_disposition,
+ create_options,
+ file_attributes,
+ oplock_request,
+ &info);
+ if (!fsp) {
+ /* We cheat here. There are two cases we
+ * care about. One is a directory rename,
+ * where the NT client will attempt to
+ * open the source directory for
+ * DELETE access. Note that when the
+ * NT client does this it does *not*
+ * set the directory bit in the
+ * request packet. This is translated
+ * into a read/write open
+ * request. POSIX states that any open
+ * for write request on a directory
+ * will generate an EISDIR error, so
+ * we can catch this here and open a
+ * pseudo handle that is flagged as a
+ * directory. The second is an open
+ * for a permissions read only, which
+ * we handle in the open_file_stat case. JRA.
+ */
+
+ if(errno == EISDIR) {
+
+ /*
+ * Fail the open if it was explicitly a non-directory file.
+ */
+
+ if (create_options & FILE_NON_DIRECTORY_FILE) {
+ restore_case_semantics(conn, file_attributes);
+ END_PROFILE(SMBntcreateX);
+ return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
+ }
+
+ oplock_request = 0;
+ fsp = open_directory(conn, fname, &sbuf,
+ access_mask,
+ share_access,
+ create_disposition,
+ create_options,
+ &info);
+
+ if(!fsp) {
+ restore_case_semantics(conn, file_attributes);
+ END_PROFILE(SMBntcreateX);
+ return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
+ }
+ } else {
+
+ restore_case_semantics(conn, file_attributes);
+ END_PROFILE(SMBntcreateX);
+ if (open_was_deferred(SVAL(inbuf,smb_mid))) {
+ /* We have re-scheduled this call. */
+ return -1;
+ }
+ return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
+ }
+ }
+ }
+
+ restore_case_semantics(conn, file_attributes);
+
+ file_len = sbuf.st_size;
+ fattr = dos_mode(conn,fname,&sbuf);
+ if(fattr == 0) {
+ fattr = FILE_ATTRIBUTE_NORMAL;
+ }
+ if (!fsp->is_directory && (fattr & aDIR)) {
+ close_file(fsp,False);
+ END_PROFILE(SMBntcreateX);
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+
+ /* Save the requested allocation size. */
+ if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
+ SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize);
+#ifdef LARGE_SMB_OFF_T
+ allocation_size |= (((SMB_BIG_UINT)IVAL(inbuf,smb_ntcreate_AllocationSize + 4)) << 32);
+#endif
+ if (allocation_size && (allocation_size > (SMB_BIG_UINT)file_len)) {
+ fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
+ if (fsp->is_directory) {
+ close_file(fsp,False);
+ END_PROFILE(SMBntcreateX);
+ /* Can't set allocation size on a directory. */
+ return ERROR_NT(NT_STATUS_ACCESS_DENIED);
+ }
+ if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
+ close_file(fsp,False);
+ END_PROFILE(SMBntcreateX);
+ return ERROR_NT(NT_STATUS_DISK_FULL);
+ }
+ } else {
+ fsp->initial_allocation_size = smb_roundup(fsp->conn,(SMB_BIG_UINT)file_len);
+ }
+ }
+
+ /*
+ * If the caller set the extended oplock request bit
+ * and we granted one (by whatever means) - set the
+ * correct bit for extended oplock reply.
+ */
+
+ if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
+ extended_oplock_granted = True;
+ }
+
+ if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
+ extended_oplock_granted = True;
+ }
+
+#if 0
+ /* W2K sends back 42 words here ! If we do the same it breaks offline sync. Go figure... ? JRA. */
+ set_message(outbuf,42,0,True);
+#else
+ set_message(outbuf,34,0,True);
+#endif
+
+ p = outbuf + smb_vwv2;
+
+ /*
+ * Currently as we don't support level II oplocks we just report
+ * exclusive & batch here.
+ */
+
+ if (extended_oplock_granted) {
+ if (flags & REQUEST_BATCH_OPLOCK) {
+ SCVAL(p,0, BATCH_OPLOCK_RETURN);
+ } else {
+ SCVAL(p,0, EXCLUSIVE_OPLOCK_RETURN);
+ }
+ } else if (fsp->oplock_type == LEVEL_II_OPLOCK) {
+ SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
+ } else {
+ SCVAL(p,0,NO_OPLOCK_RETURN);
+ }
+
+ p++;
+ SSVAL(p,0,fsp->fnum);
+ p += 2;
+ if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
+ SIVAL(p,0,FILE_WAS_SUPERSEDED);
+ } else {
+ SIVAL(p,0,info);
+ }
+ p += 4;
+
+ /* Create time. */
+ c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
+
+ if (lp_dos_filetime_resolution(SNUM(conn))) {
+ c_time &= ~1;
+ sbuf.st_atime &= ~1;
+ sbuf.st_mtime &= ~1;
+ sbuf.st_mtime &= ~1;
+ }
+
+ put_long_date(p,c_time);
+ p += 8;
+ put_long_date(p,sbuf.st_atime); /* access time */
+ p += 8;
+ put_long_date(p,sbuf.st_mtime); /* write time */
+ p += 8;
+ put_long_date(p,sbuf.st_mtime); /* change time */
+ p += 8;
+ SIVAL(p,0,fattr); /* File Attributes. */
+ p += 4;
+ SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
+ p += 8;
+ SOFF_T(p,0,file_len);
+ p += 8;
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ SSVAL(p,2,0x7);
+ }
+ p += 4;
+ SCVAL(p,0,fsp->is_directory ? 1 : 0);
+
+ DEBUG(5,("reply_ntcreate_and_X: fnum = %d, open name = %s\n", fsp->fnum, fsp->fsp_name));
+
+ result = chain_reply(inbuf,outbuf,length,bufsize);
+ END_PROFILE(SMBntcreateX);
+ return result;
+}
+
+/****************************************************************************
+ Reply to a NT_TRANSACT_CREATE call to open a pipe.
+****************************************************************************/
+
+static int do_nt_transact_create_pipe( connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count)
+{
+ pstring fname;
+ char *params = *ppparams;
+ int ret;
+ int pnum = -1;
+ char *p = NULL;
+ NTSTATUS status;
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if(parameter_count < 54) {
+ DEBUG(0,("do_nt_transact_create_pipe - insufficient parameters (%u)\n", (unsigned int)parameter_count));
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+
+ srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ return ERROR_NT(status);
+ }
+
+ if ((ret = nt_open_pipe(fname, conn, inbuf, outbuf, &pnum)) != 0) {
+ return ret;
+ }
+
+ /* Realloc the size of parameters and data we will return */
+ params = nttrans_realloc(ppparams, 69);
+ if(params == NULL) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ p = params;
+ SCVAL(p,0,NO_OPLOCK_RETURN);
+
+ p += 2;
+ SSVAL(p,0,pnum);
+ p += 2;
+ SIVAL(p,0,FILE_WAS_OPENED);
+ p += 8;
+
+ p += 32;
+ SIVAL(p,0,FILE_ATTRIBUTE_NORMAL); /* File Attributes. */
+ p += 20;
+ /* File type. */
+ SSVAL(p,0,FILE_TYPE_MESSAGE_MODE_PIPE);
+ /* Device state. */
+ SSVAL(p,2, 0x5FF); /* ? */
+
+ DEBUG(5,("do_nt_transact_create_pipe: open name = %s\n", fname));
+
+ /* Send the required number of replies */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
+
+ return -1;
+}
+
+/****************************************************************************
+ Internal fn to set security descriptors.
+****************************************************************************/
+
+static NTSTATUS set_sd(files_struct *fsp, char *data, uint32 sd_len, uint32 security_info_sent)
+{
+ prs_struct pd;
+ SEC_DESC *psd = NULL;
+ TALLOC_CTX *mem_ctx;
+ BOOL ret;
+
+ if (sd_len == 0 || !lp_nt_acl_support(SNUM(fsp->conn))) {
+ return NT_STATUS_OK;
+ }
+
+ /*
+ * Init the parse struct we will unmarshall from.
+ */
+
+ if ((mem_ctx = talloc_init("set_sd")) == NULL) {
+ DEBUG(0,("set_sd: talloc_init failed.\n"));
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ prs_init(&pd, 0, mem_ctx, UNMARSHALL);
+
+ /*
+ * Setup the prs_struct to point at the memory we just
+ * allocated.
+ */
+
+ prs_give_memory( &pd, data, sd_len, False);
+
+ /*
+ * Finally, unmarshall from the data buffer.
+ */
+
+ if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
+ DEBUG(0,("set_sd: Error in unmarshalling security descriptor.\n"));
+ /*
+ * Return access denied for want of a better error message..
+ */
+ talloc_destroy(mem_ctx);
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ if (psd->off_owner_sid==0) {
+ security_info_sent &= ~OWNER_SECURITY_INFORMATION;
+ }
+ if (psd->off_grp_sid==0) {
+ security_info_sent &= ~GROUP_SECURITY_INFORMATION;
+ }
+ if (psd->off_sacl==0) {
+ security_info_sent &= ~SACL_SECURITY_INFORMATION;
+ }
+ if (psd->off_dacl==0) {
+ security_info_sent &= ~DACL_SECURITY_INFORMATION;
+ }
+
+ ret = SMB_VFS_FSET_NT_ACL( fsp, fsp->fh->fd, security_info_sent, psd);
+
+ if (!ret) {
+ talloc_destroy(mem_ctx);
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ talloc_destroy(mem_ctx);
+
+ return NT_STATUS_OK;
+}
+
+/****************************************************************************
+ Read a list of EA names and data from an incoming data buffer. Create an ea_list with them.
+****************************************************************************/
+
+static struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size)
+{
+ struct ea_list *ea_list_head = NULL;
+ size_t offset = 0;
+
+ if (data_size < 4) {
+ return NULL;
+ }
+
+ while (offset + 4 <= data_size) {
+ size_t next_offset = IVAL(pdata,offset);
+ struct ea_list *tmp;
+ struct ea_list *eal = read_ea_list_entry(ctx, pdata + offset + 4, data_size - offset - 4, NULL);
+
+ DLIST_ADD_END(ea_list_head, eal, tmp);
+ if (next_offset == 0) {
+ break;
+ }
+ offset += next_offset;
+ }
+
+ return ea_list_head;
+}
+
+/****************************************************************************
+ Reply to a NT_TRANSACT_CREATE call (needs to process SD's).
+****************************************************************************/
+
+static int call_nt_transact_create(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count, uint32 max_data_count)
+{
+ pstring fname;
+ char *params = *ppparams;
+ char *data = *ppdata;
+ /* Breakout the oplock request bits so we can set the reply bits separately. */
+ int oplock_request = 0;
+ uint32 fattr=0;
+ SMB_OFF_T file_len = 0;
+ SMB_STRUCT_STAT sbuf;
+ int info = 0;
+ BOOL bad_path = False;
+ files_struct *fsp = NULL;
+ char *p = NULL;
+ BOOL extended_oplock_granted = False;
+ uint32 flags;
+ uint32 access_mask;
+ uint32 file_attributes;
+ uint32 share_access;
+ uint32 create_disposition;
+ uint32 create_options;
+ uint32 sd_len;
+ uint32 ea_len;
+ uint16 root_dir_fid;
+ time_t c_time;
+ struct ea_list *ea_list = NULL;
+ TALLOC_CTX *ctx = NULL;
+ char *pdata = NULL;
+ NTSTATUS status;
+
+ DEBUG(5,("call_nt_transact_create\n"));
+
+ /*
+ * If it's an IPC, use the pipe handler.
+ */
+
+ if (IS_IPC(conn)) {
+ if (lp_nt_pipe_support()) {
+ return do_nt_transact_create_pipe(conn, inbuf, outbuf, length,
+ bufsize,
+ ppsetup, setup_count,
+ ppparams, parameter_count,
+ ppdata, data_count);
+ } else {
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+ }
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if(parameter_count < 54) {
+ DEBUG(0,("call_nt_transact_create - insufficient parameters (%u)\n", (unsigned int)parameter_count));
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ flags = IVAL(params,0);
+ access_mask = IVAL(params,8);
+ file_attributes = IVAL(params,20);
+ share_access = IVAL(params,24);
+ create_disposition = IVAL(params,28);
+ create_options = IVAL(params,32);
+ sd_len = IVAL(params,36);
+ ea_len = IVAL(params,40);
+ root_dir_fid = (uint16)IVAL(params,4);
+
+ /* Ensure the data_len is correct for the sd and ea values given. */
+ if ((ea_len + sd_len > data_count) ||
+ (ea_len > data_count) || (sd_len > data_count) ||
+ (ea_len + sd_len < ea_len) || (ea_len + sd_len < sd_len)) {
+ DEBUG(10,("call_nt_transact_create - ea_len = %u, sd_len = %u, data_count = %u\n",
+ (unsigned int)ea_len, (unsigned int)sd_len, (unsigned int)data_count ));
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ if (ea_len) {
+ if (!lp_ea_support(SNUM(conn))) {
+ DEBUG(10,("call_nt_transact_create - ea_len = %u but EA's not supported.\n",
+ (unsigned int)ea_len ));
+ return ERROR_NT(NT_STATUS_EAS_NOT_SUPPORTED);
+ }
+
+ if (ea_len < 10) {
+ DEBUG(10,("call_nt_transact_create - ea_len = %u - too small (should be more than 10)\n",
+ (unsigned int)ea_len ));
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+ }
+
+ if (create_options & FILE_OPEN_BY_FILE_ID) {
+ return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
+ }
+
+ /*
+ * Get the file name.
+ */
+
+ if(root_dir_fid != 0) {
+ /*
+ * This filename is relative to a directory fid.
+ */
+ files_struct *dir_fsp = file_fsp(params,4);
+ size_t dir_name_len;
+
+ if(!dir_fsp) {
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+ }
+
+ if(!dir_fsp->is_directory) {
+ srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ return ERROR_NT(status);
+ }
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if( is_ntfs_stream_name(fname)) {
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
+
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+ }
+
+ /*
+ * Copy in the base directory name.
+ */
+
+ pstrcpy( fname, dir_fsp->fsp_name );
+ dir_name_len = strlen(fname);
+
+ /*
+ * Ensure it ends in a '\'.
+ */
+
+ if((fname[dir_name_len-1] != '\\') && (fname[dir_name_len-1] != '/')) {
+ pstrcat(fname, "/");
+ dir_name_len++;
+ }
+
+ {
+ pstring tmpname;
+ srvstr_get_path(inbuf, tmpname, params+53, sizeof(tmpname), parameter_count-53, STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ return ERROR_NT(status);
+ }
+ pstrcat(fname, tmpname);
+ }
+ } else {
+ srvstr_get_path(inbuf, fname, params+53, sizeof(fname), parameter_count-53, STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ return ERROR_NT(status);
+ }
+
+ /*
+ * Check to see if this is a mac fork of some kind.
+ */
+
+ if( is_ntfs_stream_name(fname)) {
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
+ }
+
+ oplock_request = (flags & REQUEST_OPLOCK) ? EXCLUSIVE_OPLOCK : 0;
+ oplock_request |= (flags & REQUEST_BATCH_OPLOCK) ? BATCH_OPLOCK : 0;
+
+ /*
+ * Check if POSIX semantics are wanted.
+ */
+
+ set_posix_case_semantics(conn, file_attributes);
+
+ RESOLVE_DFSPATH(fname, conn, inbuf, outbuf);
+
+ unix_convert(fname,conn,0,&bad_path,&sbuf);
+ if (bad_path) {
+ restore_case_semantics(conn, file_attributes);
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_NOT_FOUND);
+ }
+ /* All file access must go through check_name() */
+ if (!check_name(fname,conn)) {
+ restore_case_semantics(conn, file_attributes);
+ return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRbadpath);
+ }
+
+#if 0
+ /* This is the correct thing to do (check every time) but can_delete is
+ expensive (it may have to read the parent directory permissions). So
+ for now we're not doing it unless we have a strong hint the client
+ is really going to delete this file. */
+ if (desired_access & DELETE_ACCESS) {
+#else
+ /* Setting FILE_SHARE_DELETE is the hint. */
+ if (lp_acl_check_permissions(SNUM(conn)) && (share_access & FILE_SHARE_DELETE) && (access_mask & DELETE_ACCESS)) {
+#endif
+ status = can_delete(conn, fname, file_attributes, bad_path, True);
+ /* We're only going to fail here if it's access denied, as that's the
+ only error we care about for "can we delete this ?" questions. */
+ if (!NT_STATUS_IS_OK(status) && (NT_STATUS_EQUAL(status,NT_STATUS_ACCESS_DENIED) ||
+ NT_STATUS_EQUAL(status,NT_STATUS_CANNOT_DELETE))) {
+ restore_case_semantics(conn, file_attributes);
+ return ERROR_NT(status);
+ }
+ }
+
+ if (ea_len) {
+ ctx = talloc_init("NTTRANS_CREATE_EA");
+ if (!ctx) {
+ talloc_destroy(ctx);
+ restore_case_semantics(conn, file_attributes);
+ return ERROR_NT(NT_STATUS_NO_MEMORY);
+ }
+
+ pdata = data + sd_len;
+
+ /* We have already checked that ea_len <= data_count here. */
+ ea_list = read_nttrans_ea_list(ctx, pdata, ea_len);
+ if (!ea_list ) {
+ talloc_destroy(ctx);
+ restore_case_semantics(conn, file_attributes);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+ }
+
+ /*
+ * If it's a request for a directory open, deal with it separately.
+ */
+
+ if(create_options & FILE_DIRECTORY_FILE) {
+
+ /* Can't open a temp directory. IFS kit test. */
+ if (file_attributes & FILE_ATTRIBUTE_TEMPORARY) {
+ talloc_destroy(ctx);
+ restore_case_semantics(conn, file_attributes);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ oplock_request = 0;
+
+ /*
+ * We will get a create directory here if the Win32
+ * app specified a security descriptor in the
+ * CreateDirectory() call.
+ */
+
+ fsp = open_directory(conn, fname, &sbuf,
+ access_mask,
+ share_access,
+ create_disposition,
+ create_options,
+ &info);
+ if(!fsp) {
+ talloc_destroy(ctx);
+ restore_case_semantics(conn, file_attributes);
+ return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
+ }
+
+ } else {
+
+ /*
+ * Ordinary file case.
+ */
+
+ fsp = open_file_ntcreate(conn,fname,&sbuf,
+ access_mask,
+ share_access,
+ create_disposition,
+ create_options,
+ file_attributes,
+ oplock_request,
+ &info);
+
+ if (!fsp) {
+ if(errno == EISDIR) {
+
+ /*
+ * Fail the open if it was explicitly a non-directory file.
+ */
+
+ if (create_options & FILE_NON_DIRECTORY_FILE) {
+ restore_case_semantics(conn, file_attributes);
+ return ERROR_FORCE_NT(NT_STATUS_FILE_IS_A_DIRECTORY);
+ }
+
+ oplock_request = 0;
+ fsp = open_directory(conn, fname, &sbuf,
+ access_mask,
+ share_access,
+ create_disposition,
+ create_options,
+ &info);
+ if(!fsp) {
+ talloc_destroy(ctx);
+ restore_case_semantics(conn, file_attributes);
+ return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
+ }
+ } else {
+ talloc_destroy(ctx);
+ restore_case_semantics(conn, file_attributes);
+ if (open_was_deferred(SVAL(inbuf,smb_mid))) {
+ /* We have re-scheduled this call. */
+ return -1;
+ }
+ return set_bad_path_error(errno, bad_path, outbuf, ERRDOS,ERRnoaccess);
+ }
+ }
+ }
+
+ /*
+ * According to the MS documentation, the only time the security
+ * descriptor is applied to the opened file is iff we *created* the
+ * file; an existing file stays the same.
+ *
+ * Also, it seems (from observation) that you can open the file with
+ * any access mask but you can still write the sd. We need to override
+ * the granted access before we call set_sd
+ * Patch for bug #2242 from Tom Lackemann <cessnatomny@yahoo.com>.
+ */
+
+ if (lp_nt_acl_support(SNUM(conn)) && sd_len && info == FILE_WAS_CREATED) {
+ uint32 saved_access_mask = fsp->access_mask;
+
+ /* We have already checked that sd_len <= data_count here. */
+
+ fsp->access_mask = FILE_GENERIC_ALL;
+
+ status = set_sd( fsp, data, sd_len, ALL_SECURITY_INFORMATION);
+ if (!NT_STATUS_IS_OK(status)) {
+ talloc_destroy(ctx);
+ close_file(fsp,False);
+ restore_case_semantics(conn, file_attributes);
+ return ERROR_NT(status);
+ }
+ fsp->access_mask = saved_access_mask;
+ }
+
+ if (ea_len && (info == FILE_WAS_CREATED)) {
+ status = set_ea(conn, fsp, fname, ea_list);
+ talloc_destroy(ctx);
+ if (!NT_STATUS_IS_OK(status)) {
+ close_file(fsp,False);
+ restore_case_semantics(conn, file_attributes);
+ return ERROR_NT(status);
+ }
+ }
+
+ restore_case_semantics(conn, file_attributes);
+
+ file_len = sbuf.st_size;
+ fattr = dos_mode(conn,fname,&sbuf);
+ if(fattr == 0) {
+ fattr = FILE_ATTRIBUTE_NORMAL;
+ }
+ if (!fsp->is_directory && (fattr & aDIR)) {
+ close_file(fsp,False);
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+
+ /* Save the requested allocation size. */
+ if ((info == FILE_WAS_CREATED) || (info == FILE_WAS_OVERWRITTEN)) {
+ SMB_BIG_UINT allocation_size = (SMB_BIG_UINT)IVAL(params,12);
+#ifdef LARGE_SMB_OFF_T
+ allocation_size |= (((SMB_BIG_UINT)IVAL(params,16)) << 32);
+#endif
+ if (allocation_size && (allocation_size > file_len)) {
+ fsp->initial_allocation_size = smb_roundup(fsp->conn, allocation_size);
+ if (fsp->is_directory) {
+ close_file(fsp,False);
+ /* Can't set allocation size on a directory. */
+ return ERROR_NT(NT_STATUS_ACCESS_DENIED);
+ }
+ if (vfs_allocate_file_space(fsp, fsp->initial_allocation_size) == -1) {
+ close_file(fsp,False);
+ return ERROR_NT(NT_STATUS_DISK_FULL);
+ }
+ } else {
+ fsp->initial_allocation_size = smb_roundup(fsp->conn, (SMB_BIG_UINT)file_len);
+ }
+ }
+
+ /*
+ * If the caller set the extended oplock request bit
+ * and we granted one (by whatever means) - set the
+ * correct bit for extended oplock reply.
+ */
+
+ if (oplock_request && lp_fake_oplocks(SNUM(conn))) {
+ extended_oplock_granted = True;
+ }
+
+ if(oplock_request && EXCLUSIVE_OPLOCK_TYPE(fsp->oplock_type)) {
+ extended_oplock_granted = True;
+ }
+
+ /* Realloc the size of parameters and data we will return */
+ params = nttrans_realloc(ppparams, 69);
+ if(params == NULL) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ p = params;
+ if (extended_oplock_granted) {
+ SCVAL(p,0, BATCH_OPLOCK_RETURN);
+ } else if (LEVEL_II_OPLOCK_TYPE(fsp->oplock_type)) {
+ SCVAL(p,0, LEVEL_II_OPLOCK_RETURN);
+ } else {
+ SCVAL(p,0,NO_OPLOCK_RETURN);
+ }
+
+ p += 2;
+ SSVAL(p,0,fsp->fnum);
+ p += 2;
+ if ((create_disposition == FILE_SUPERSEDE) && (info == FILE_WAS_OVERWRITTEN)) {
+ SIVAL(p,0,FILE_WAS_SUPERSEDED);
+ } else {
+ SIVAL(p,0,info);
+ }
+ p += 8;
+
+ /* Create time. */
+ c_time = get_create_time(&sbuf,lp_fake_dir_create_times(SNUM(conn)));
+
+ if (lp_dos_filetime_resolution(SNUM(conn))) {
+ c_time &= ~1;
+ sbuf.st_atime &= ~1;
+ sbuf.st_mtime &= ~1;
+ sbuf.st_mtime &= ~1;
+ }
+
+ put_long_date(p,c_time);
+ p += 8;
+ put_long_date(p,sbuf.st_atime); /* access time */
+ p += 8;
+ put_long_date(p,sbuf.st_mtime); /* write time */
+ p += 8;
+ put_long_date(p,sbuf.st_mtime); /* change time */
+ p += 8;
+ SIVAL(p,0,fattr); /* File Attributes. */
+ p += 4;
+ SOFF_T(p, 0, get_allocation_size(conn,fsp,&sbuf));
+ p += 8;
+ SOFF_T(p,0,file_len);
+ p += 8;
+ if (flags & EXTENDED_RESPONSE_REQUIRED) {
+ SSVAL(p,2,0x7);
+ }
+ p += 4;
+ SCVAL(p,0,fsp->is_directory ? 1 : 0);
+
+ DEBUG(5,("call_nt_transact_create: open name = %s\n", fname));
+
+ /* Send the required number of replies */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 69, *ppdata, 0);
+
+ return -1;
+}
+
+/****************************************************************************
+ Reply to a NT CANCEL request.
+****************************************************************************/
+
+int reply_ntcancel(connection_struct *conn,
+ char *inbuf,char *outbuf,int length,int bufsize)
+{
+ /*
+ * Go through and cancel any pending change notifies.
+ */
+
+ int mid = SVAL(inbuf,smb_mid);
+ START_PROFILE(SMBntcancel);
+ remove_pending_change_notify_requests_by_mid(mid);
+ remove_pending_lock_requests_by_mid(mid);
+ srv_cancel_sign_response(mid);
+
+ DEBUG(3,("reply_ntcancel: cancel called on mid = %d.\n", mid));
+
+ END_PROFILE(SMBntcancel);
+ return(-1);
+}
+
+/****************************************************************************
+ Copy a file.
+****************************************************************************/
+
+static NTSTATUS copy_internals(connection_struct *conn, char *oldname, char *newname, uint32 attrs)
+{
+ BOOL bad_path_oldname = False;
+ BOOL bad_path_newname = False;
+ SMB_STRUCT_STAT sbuf1, sbuf2;
+ pstring last_component_oldname;
+ pstring last_component_newname;
+ files_struct *fsp1,*fsp2;
+ uint32 fattr;
+ int info;
+ SMB_OFF_T ret=-1;
+ int close_ret;
+ NTSTATUS status = NT_STATUS_OK;
+
+ ZERO_STRUCT(sbuf1);
+ ZERO_STRUCT(sbuf2);
+
+ /* No wildcards. */
+ if (ms_has_wild(newname) || ms_has_wild(oldname)) {
+ return NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
+ }
+
+ if (!CAN_WRITE(conn))
+ return NT_STATUS_MEDIA_WRITE_PROTECTED;
+
+ unix_convert(oldname,conn,last_component_oldname,&bad_path_oldname,&sbuf1);
+ if (bad_path_oldname) {
+ return NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ }
+
+ /* Quick check for "." and ".." */
+ if (last_component_oldname[0] == '.') {
+ if (!last_component_oldname[1] || (last_component_oldname[1] == '.' && !last_component_oldname[2])) {
+ return NT_STATUS_OBJECT_NAME_INVALID;
+ }
+ }
+
+ /* Source must already exist. */
+ if (!VALID_STAT(sbuf1)) {
+ return NT_STATUS_OBJECT_NAME_NOT_FOUND;
+ }
+ if (!check_name(oldname,conn)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* Ensure attributes match. */
+ fattr = dos_mode(conn,oldname,&sbuf1);
+ if ((fattr & ~attrs) & (aHIDDEN | aSYSTEM)) {
+ return NT_STATUS_NO_SUCH_FILE;
+ }
+
+ unix_convert(newname,conn,last_component_newname,&bad_path_newname,&sbuf2);
+ if (bad_path_newname) {
+ return NT_STATUS_OBJECT_PATH_NOT_FOUND;
+ }
+
+ /* Quick check for "." and ".." */
+ if (last_component_newname[0] == '.') {
+ if (!last_component_newname[1] || (last_component_newname[1] == '.' && !last_component_newname[2])) {
+ return NT_STATUS_OBJECT_NAME_INVALID;
+ }
+ }
+
+ /* Disallow if newname already exists. */
+ if (VALID_STAT(sbuf2)) {
+ return NT_STATUS_OBJECT_NAME_COLLISION;
+ }
+
+ if (!check_name(newname,conn)) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ /* No links from a directory. */
+ if (S_ISDIR(sbuf1.st_mode)) {
+ return NT_STATUS_FILE_IS_A_DIRECTORY;
+ }
+
+ /* Ensure this is within the share. */
+ if (!reduce_name(conn, oldname) != 0) {
+ return NT_STATUS_ACCESS_DENIED;
+ }
+
+ DEBUG(10,("copy_internals: doing file copy %s to %s\n", oldname, newname));
+
+ fsp1 = open_file_ntcreate(conn,oldname,&sbuf1,
+ FILE_READ_DATA, /* Read-only. */
+ 0, /* No sharing. */
+ FILE_OPEN,
+ 0, /* No create options. */
+ FILE_ATTRIBUTE_NORMAL,
+ INTERNAL_OPEN_ONLY,
+ &info);
+
+ if (!fsp1) {
+ status = get_saved_ntstatus();
+ if (NT_STATUS_IS_OK(status)) {
+ status = NT_STATUS_ACCESS_DENIED;
+ }
+ set_saved_ntstatus(NT_STATUS_OK);
+ return status;
+ }
+
+ fsp2 = open_file_ntcreate(conn,newname,&sbuf2,
+ FILE_WRITE_DATA, /* Read-only. */
+ 0, /* No sharing. */
+ FILE_CREATE,
+ 0, /* No create options. */
+ fattr,
+ INTERNAL_OPEN_ONLY,
+ &info);
+
+ if (!fsp2) {
+ status = get_saved_ntstatus();
+ if (NT_STATUS_IS_OK(status)) {
+ status = NT_STATUS_ACCESS_DENIED;
+ }
+ set_saved_ntstatus(NT_STATUS_OK);
+ close_file(fsp1,False);
+ return status;
+ }
+
+ if (sbuf1.st_size) {
+ ret = vfs_transfer_file(fsp1, fsp2, sbuf1.st_size);
+ }
+
+ /*
+ * As we are opening fsp1 read-only we only expect
+ * an error on close on fsp2 if we are out of space.
+ * Thus we don't look at the error return from the
+ * close of fsp1.
+ */
+ close_file(fsp1,False);
+
+ /* Ensure the modtime is set correctly on the destination file. */
+ fsp_set_pending_modtime(fsp2, sbuf1.st_mtime);
+
+ close_ret = close_file(fsp2,False);
+
+ /* Grrr. We have to do this as open_file_shared1 adds aARCH when it
+ creates the file. This isn't the correct thing to do in the copy case. JRA */
+ file_set_dosmode(conn, newname, fattr, &sbuf2, True);
+
+ if (ret < (SMB_OFF_T)sbuf1.st_size) {
+ return NT_STATUS_DISK_FULL;
+ }
+
+ if (close_ret != 0) {
+ status = map_nt_error_from_unix(close_ret);
+ DEBUG(3,("copy_internals: Error %s copy file %s to %s\n",
+ nt_errstr(status), oldname, newname));
+ }
+ return status;
+}
+
+/****************************************************************************
+ Reply to a NT rename request.
+****************************************************************************/
+
+int reply_ntrename(connection_struct *conn,
+ char *inbuf,char *outbuf,int length,int bufsize)
+{
+ int outsize = 0;
+ pstring oldname;
+ pstring newname;
+ char *p;
+ NTSTATUS status;
+ BOOL path_contains_wcard = False;
+ uint32 attrs = SVAL(inbuf,smb_vwv0);
+ uint16 rename_type = SVAL(inbuf,smb_vwv1);
+
+ START_PROFILE(SMBntrename);
+
+ p = smb_buf(inbuf) + 1;
+ p += srvstr_get_path_wcard(inbuf, oldname, p, sizeof(oldname), 0, STR_TERMINATE, &status, &path_contains_wcard);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBntrename);
+ return ERROR_NT(status);
+ }
+
+ if( is_ntfs_stream_name(oldname)) {
+ /* Can't rename a stream. */
+ END_PROFILE(SMBntrename);
+ return ERROR_NT(NT_STATUS_ACCESS_DENIED);
+ }
+
+ if (ms_has_wild(oldname)) {
+ END_PROFILE(SMBntrename);
+ return ERROR_NT(NT_STATUS_OBJECT_PATH_SYNTAX_BAD);
+ }
+
+ p++;
+ p += srvstr_get_path(inbuf, newname, p, sizeof(newname), 0, STR_TERMINATE, &status);
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBntrename);
+ return ERROR_NT(status);
+ }
+
+ RESOLVE_DFSPATH(oldname, conn, inbuf, outbuf);
+ RESOLVE_DFSPATH(newname, conn, inbuf, outbuf);
+
+ DEBUG(3,("reply_ntrename : %s -> %s\n",oldname,newname));
+
+ switch(rename_type) {
+ case RENAME_FLAG_RENAME:
+ status = rename_internals(conn, oldname, newname, attrs, False, path_contains_wcard);
+ break;
+ case RENAME_FLAG_HARD_LINK:
+ status = hardlink_internals(conn, oldname, newname);
+ break;
+ case RENAME_FLAG_COPY:
+ if (path_contains_wcard) {
+ /* No wildcards. */
+ status = NT_STATUS_OBJECT_PATH_SYNTAX_BAD;
+ } else {
+ status = copy_internals(conn, oldname, newname, attrs);
+ }
+ break;
+ case RENAME_FLAG_MOVE_CLUSTER_INFORMATION:
+ status = NT_STATUS_INVALID_PARAMETER;
+ break;
+ default:
+ status = NT_STATUS_ACCESS_DENIED; /* Default error. */
+ break;
+ }
+
+ if (!NT_STATUS_IS_OK(status)) {
+ END_PROFILE(SMBntrename);
+ if (open_was_deferred(SVAL(inbuf,smb_mid))) {
+ /* We have re-scheduled this call. */
+ return -1;
+ }
+ return ERROR_NT(status);
+ }
+
+ /*
+ * Win2k needs a changenotify request response before it will
+ * update after a rename..
+ */
+ process_pending_change_notify_queue((time_t)0);
+ outsize = set_message(outbuf,0,0,True);
+
+ END_PROFILE(SMBntrename);
+ return(outsize);
+}
+
+/****************************************************************************
+ Reply to an unsolicited SMBNTtranss - just ignore it!
+****************************************************************************/
+
+int reply_nttranss(connection_struct *conn,
+ char *inbuf,char *outbuf,int length,int bufsize)
+{
+ START_PROFILE(SMBnttranss);
+ DEBUG(4,("Ignoring nttranss of length %d\n",length));
+ END_PROFILE(SMBnttranss);
+ return(-1);
+}
+
+/****************************************************************************
+ Reply to a notify change - queue the request and
+ don't allow a directory to be opened.
+****************************************************************************/
+
+static int call_nt_transact_notify_change(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count, uint32 max_data_count)
+{
+ char *setup = *ppsetup;
+ files_struct *fsp;
+ uint32 flags;
+
+ if(setup_count < 6) {
+ return ERROR_DOS(ERRDOS,ERRbadfunc);
+ }
+
+ fsp = file_fsp(setup,4);
+ flags = IVAL(setup, 0);
+
+ DEBUG(3,("call_nt_transact_notify_change\n"));
+
+ if(!fsp) {
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+ }
+
+ if((!fsp->is_directory) || (conn != fsp->conn)) {
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+ }
+
+ if (!change_notify_set(inbuf, fsp, conn, flags)) {
+ return(UNIXERROR(ERRDOS,ERRbadfid));
+ }
+
+ DEBUG(3,("call_nt_transact_notify_change: notify change called on directory \
+name = %s\n", fsp->fsp_name ));
+
+ return -1;
+}
+
+/****************************************************************************
+ Reply to an NT transact rename command.
+****************************************************************************/
+
+static int call_nt_transact_rename(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count, uint32 max_data_count)
+{
+ char *params = *ppparams;
+ pstring new_name;
+ files_struct *fsp = NULL;
+ BOOL replace_if_exists = False;
+ BOOL path_contains_wcard = False;
+ NTSTATUS status;
+
+ if(parameter_count < 4) {
+ return ERROR_DOS(ERRDOS,ERRbadfunc);
+ }
+
+ fsp = file_fsp(params, 0);
+ replace_if_exists = (SVAL(params,2) & RENAME_REPLACE_IF_EXISTS) ? True : False;
+ CHECK_FSP(fsp, conn);
+ srvstr_get_path_wcard(inbuf, new_name, params+4, sizeof(new_name), -1, STR_TERMINATE, &status, &path_contains_wcard);
+ if (!NT_STATUS_IS_OK(status)) {
+ return ERROR_NT(status);
+ }
+
+ status = rename_internals(conn, fsp->fsp_name,
+ new_name, 0, replace_if_exists, path_contains_wcard);
+ if (!NT_STATUS_IS_OK(status))
+ return ERROR_NT(status);
+
+ /*
+ * Rename was successful.
+ */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+
+ DEBUG(3,("nt transact rename from = %s, to = %s succeeded.\n",
+ fsp->fsp_name, new_name));
+
+ /*
+ * Win2k needs a changenotify request response before it will
+ * update after a rename..
+ */
+
+ process_pending_change_notify_queue((time_t)0);
+
+ return -1;
+}
+
+/******************************************************************************
+ Fake up a completely empty SD.
+*******************************************************************************/
+
+static size_t get_null_nt_acl(TALLOC_CTX *mem_ctx, SEC_DESC **ppsd)
+{
+ size_t sd_size;
+
+ *ppsd = make_standard_sec_desc( mem_ctx, &global_sid_World, &global_sid_World, NULL, &sd_size);
+ if(!*ppsd) {
+ DEBUG(0,("get_null_nt_acl: Unable to malloc space for security descriptor.\n"));
+ sd_size = 0;
+ }
+
+ return sd_size;
+}
+
+/****************************************************************************
+ Reply to query a security descriptor.
+****************************************************************************/
+
+static int call_nt_transact_query_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count, uint32 max_data_count)
+{
+ char *params = *ppparams;
+ char *data = *ppdata;
+ prs_struct pd;
+ SEC_DESC *psd = NULL;
+ size_t sd_size;
+ uint32 security_info_wanted;
+ TALLOC_CTX *mem_ctx;
+ files_struct *fsp = NULL;
+
+ if(parameter_count < 8) {
+ return ERROR_DOS(ERRDOS,ERRbadfunc);
+ }
+
+ fsp = file_fsp(params,0);
+ if(!fsp) {
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+ }
+
+ security_info_wanted = IVAL(params,4);
+
+ DEBUG(3,("call_nt_transact_query_security_desc: file = %s, info_wanted = 0x%x\n", fsp->fsp_name,
+ (unsigned int)security_info_wanted ));
+
+ params = nttrans_realloc(ppparams, 4);
+ if(params == NULL) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ if ((mem_ctx = talloc_init("call_nt_transact_query_security_desc")) == NULL) {
+ DEBUG(0,("call_nt_transact_query_security_desc: talloc_init failed.\n"));
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ /*
+ * Get the permissions to return.
+ */
+
+ if (!lp_nt_acl_support(SNUM(conn))) {
+ sd_size = get_null_nt_acl(mem_ctx, &psd);
+ } else {
+ sd_size = SMB_VFS_FGET_NT_ACL(fsp, fsp->fh->fd, security_info_wanted, &psd);
+ }
+
+ if (sd_size == 0) {
+ talloc_destroy(mem_ctx);
+ return(UNIXERROR(ERRDOS,ERRnoaccess));
+ }
+
+ DEBUG(3,("call_nt_transact_query_security_desc: sd_size = %lu.\n",(unsigned long)sd_size));
+
+ SIVAL(params,0,(uint32)sd_size);
+
+ if(max_data_count < sd_size) {
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_BUFFER_TOO_SMALL,
+ params, 4, *ppdata, 0);
+ talloc_destroy(mem_ctx);
+ return -1;
+ }
+
+ /*
+ * Allocate the data we will point this at.
+ */
+
+ data = nttrans_realloc(ppdata, sd_size);
+ if(data == NULL) {
+ talloc_destroy(mem_ctx);
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ /*
+ * Init the parse struct we will marshall into.
+ */
+
+ prs_init(&pd, 0, mem_ctx, MARSHALL);
+
+ /*
+ * Setup the prs_struct to point at the memory we just
+ * allocated.
+ */
+
+ prs_give_memory( &pd, data, (uint32)sd_size, False);
+
+ /*
+ * Finally, linearize into the outgoing buffer.
+ */
+
+ if(!sec_io_desc( "sd data", &psd, &pd, 1)) {
+ DEBUG(0,("call_nt_transact_query_security_desc: Error in marshalling \
+security descriptor.\n"));
+ /*
+ * Return access denied for want of a better error message..
+ */
+ talloc_destroy(mem_ctx);
+ return(UNIXERROR(ERRDOS,ERRnoaccess));
+ }
+
+ /*
+ * Now we can delete the security descriptor.
+ */
+
+ talloc_destroy(mem_ctx);
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, 4, data, (int)sd_size);
+ return -1;
+}
+
+/****************************************************************************
+ Reply to set a security descriptor. Map to UNIX perms or POSIX ACLs.
+****************************************************************************/
+
+static int call_nt_transact_set_security_desc(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count, uint32 max_data_count)
+{
+ char *params= *ppparams;
+ char *data = *ppdata;
+ files_struct *fsp = NULL;
+ uint32 security_info_sent = 0;
+ NTSTATUS nt_status;
+
+ if(parameter_count < 8) {
+ return ERROR_DOS(ERRDOS,ERRbadfunc);
+ }
+
+ if((fsp = file_fsp(params,0)) == NULL) {
+ return ERROR_DOS(ERRDOS,ERRbadfid);
+ }
+
+ if(!lp_nt_acl_support(SNUM(conn))) {
+ goto done;
+ }
+
+ security_info_sent = IVAL(params,4);
+
+ DEBUG(3,("call_nt_transact_set_security_desc: file = %s, sent 0x%x\n", fsp->fsp_name,
+ (unsigned int)security_info_sent ));
+
+ if (data_count == 0) {
+ return ERROR_DOS(ERRDOS, ERRnoaccess);
+ }
+
+ if (!NT_STATUS_IS_OK(nt_status = set_sd( fsp, data, data_count, security_info_sent))) {
+ return ERROR_NT(nt_status);
+ }
+
+ done:
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return -1;
+}
+
+/****************************************************************************
+ Reply to NT IOCTL
+****************************************************************************/
+
+static int call_nt_transact_ioctl(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count, uint32 max_data_count)
+{
+ uint32 function;
+ uint16 fidnum;
+ files_struct *fsp;
+ uint8 isFSctl;
+ uint8 compfilter;
+ static BOOL logged_message;
+ char *pdata = *ppdata;
+
+ if (setup_count != 8) {
+ DEBUG(3,("call_nt_transact_ioctl: invalid setup count %d\n", setup_count));
+ return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
+ }
+
+ function = IVAL(*ppsetup, 0);
+ fidnum = SVAL(*ppsetup, 4);
+ isFSctl = CVAL(*ppsetup, 6);
+ compfilter = CVAL(*ppsetup, 7);
+
+ DEBUG(10,("call_nt_transact_ioctl: function[0x%08X] FID[0x%04X] isFSctl[0x%02X] compfilter[0x%02X]\n",
+ function, fidnum, isFSctl, compfilter));
+
+ fsp=file_fsp(*ppsetup, 4);
+ /* this check is done in each implemented function case for now
+ because I don't want to break anything... --metze
+ FSP_BELONGS_CONN(fsp,conn);*/
+
+ switch (function) {
+ case FSCTL_SET_SPARSE:
+ /* pretend this succeeded - tho strictly we should
+ mark the file sparse (if the local fs supports it)
+ so we can know if we need to pre-allocate or not */
+
+ DEBUG(10,("FSCTL_SET_SPARSE: called on FID[0x%04X](but not implemented)\n", fidnum));
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return -1;
+
+ case FSCTL_0x000900C0:
+ /* pretend this succeeded - don't know what this really is
+ but works ok like this --metze
+ */
+
+ DEBUG(10,("FSCTL_0x000900C0: called on FID[0x%04X](but not implemented)\n",fidnum));
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return -1;
+
+ case FSCTL_GET_REPARSE_POINT:
+ /* pretend this fail - my winXP does it like this
+ * --metze
+ */
+
+ DEBUG(10,("FSCTL_GET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
+ return -1;
+
+ case FSCTL_SET_REPARSE_POINT:
+ /* pretend this fail - I'm assuming this because of the FSCTL_GET_REPARSE_POINT case.
+ * --metze
+ */
+
+ DEBUG(10,("FSCTL_SET_REPARSE_POINT: called on FID[0x%04X](but not implemented)\n",fidnum));
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_NOT_A_REPARSE_POINT, NULL, 0, NULL, 0);
+ return -1;
+
+ case FSCTL_GET_SHADOW_COPY_DATA: /* don't know if this name is right...*/
+ {
+ /*
+ * This is called to retrieve the number of Shadow Copies (a.k.a. snapshots)
+ * and return their volume names. If max_data_count is 16, then it is just
+ * asking for the number of volumes and length of the combined names.
+ *
+ * pdata is the data allocated by our caller, but that uses
+ * total_data_count (which is 0 in our case) rather than max_data_count.
+ * Allocate the correct amount and return the pointer to let
+ * it be deallocated when we return.
+ */
+ SHADOW_COPY_DATA *shadow_data = NULL;
+ TALLOC_CTX *shadow_mem_ctx = NULL;
+ BOOL labels = False;
+ uint32 labels_data_count = 0;
+ uint32 i;
+ char *cur_pdata;
+
+ FSP_BELONGS_CONN(fsp,conn);
+
+ if (max_data_count < 16) {
+ DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) < 16 is invalid!\n",
+ max_data_count));
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+ }
+
+ if (max_data_count > 16) {
+ labels = True;
+ }
+
+ shadow_mem_ctx = talloc_init("SHADOW_COPY_DATA");
+ if (shadow_mem_ctx == NULL) {
+ DEBUG(0,("talloc_init(SHADOW_COPY_DATA) failed!\n"));
+ return ERROR_NT(NT_STATUS_NO_MEMORY);
+ }
+
+ shadow_data = TALLOC_ZERO_P(shadow_mem_ctx,SHADOW_COPY_DATA);
+ if (shadow_data == NULL) {
+ DEBUG(0,("talloc_zero() failed!\n"));
+ talloc_destroy(shadow_mem_ctx);
+ return ERROR_NT(NT_STATUS_NO_MEMORY);
+ }
+
+ shadow_data->mem_ctx = shadow_mem_ctx;
+
+ /*
+ * Call the VFS routine to actually do the work.
+ */
+ if (SMB_VFS_GET_SHADOW_COPY_DATA(fsp, shadow_data, labels)!=0) {
+ talloc_destroy(shadow_data->mem_ctx);
+ if (errno == ENOSYS) {
+ DEBUG(5,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, not supported.\n",
+ conn->connectpath));
+ return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
+ } else {
+ DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: connectpath %s, failed.\n",
+ conn->connectpath));
+ return ERROR_NT(NT_STATUS_UNSUCCESSFUL);
+ }
+ }
+
+ labels_data_count = (shadow_data->num_volumes*2*sizeof(SHADOW_COPY_LABEL))+2;
+
+ if (!labels) {
+ data_count = 16;
+ } else {
+ data_count = 12+labels_data_count+4;
+ }
+
+ if (max_data_count<data_count) {
+ DEBUG(0,("FSCTL_GET_SHADOW_COPY_DATA: max_data_count(%u) too small (%u) bytes needed!\n",
+ max_data_count,data_count));
+ talloc_destroy(shadow_data->mem_ctx);
+ return ERROR_NT(NT_STATUS_BUFFER_TOO_SMALL);
+ }
+
+ pdata = nttrans_realloc(ppdata, data_count);
+ if (pdata == NULL) {
+ talloc_destroy(shadow_data->mem_ctx);
+ return ERROR_NT(NT_STATUS_NO_MEMORY);
+ }
+
+ cur_pdata = pdata;
+
+ /* num_volumes 4 bytes */
+ SIVAL(pdata,0,shadow_data->num_volumes);
+
+ if (labels) {
+ /* num_labels 4 bytes */
+ SIVAL(pdata,4,shadow_data->num_volumes);
+ }
+
+ /* needed_data_count 4 bytes */
+ SIVAL(pdata,8,labels_data_count);
+
+ cur_pdata+=12;
+
+ DEBUG(10,("FSCTL_GET_SHADOW_COPY_DATA: %u volumes for path[%s].\n",
+ shadow_data->num_volumes,fsp->fsp_name));
+ if (labels && shadow_data->labels) {
+ for (i=0;i<shadow_data->num_volumes;i++) {
+ srvstr_push(outbuf, cur_pdata, shadow_data->labels[i], 2*sizeof(SHADOW_COPY_LABEL), STR_UNICODE|STR_TERMINATE);
+ cur_pdata+=2*sizeof(SHADOW_COPY_LABEL);
+ DEBUGADD(10,("Label[%u]: '%s'\n",i,shadow_data->labels[i]));
+ }
+ }
+
+ talloc_destroy(shadow_data->mem_ctx);
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, pdata, data_count);
+
+ return -1;
+ }
+
+ case FSCTL_FIND_FILES_BY_SID: /* I hope this name is right */
+ {
+ /* pretend this succeeded -
+ *
+ * we have to send back a list with all files owned by this SID
+ *
+ * but I have to check that --metze
+ */
+ DOM_SID sid;
+ uid_t uid;
+ size_t sid_len = MIN(data_count-4,SID_MAX_SIZE);
+
+ DEBUG(10,("FSCTL_FIND_FILES_BY_SID: called on FID[0x%04X]\n",fidnum));
+
+ FSP_BELONGS_CONN(fsp,conn);
+
+ /* unknown 4 bytes: this is not the length of the sid :-( */
+ /*unknown = IVAL(pdata,0);*/
+
+ sid_parse(pdata+4,sid_len,&sid);
+ DEBUGADD(10,("for SID: %s\n",sid_string_static(&sid)));
+
+ if (!NT_STATUS_IS_OK(sid_to_uid(&sid, &uid))) {
+ DEBUG(0,("sid_to_uid: failed, sid[%s] sid_len[%lu]\n",
+ sid_string_static(&sid),(unsigned long)sid_len));
+ uid = (-1);
+ }
+
+ /* we can take a look at the find source :-)
+ *
+ * find ./ -uid $uid -name '*' is what we need here
+ *
+ *
+ * and send 4bytes len and then NULL terminated unicode strings
+ * for each file
+ *
+ * but I don't know how to deal with the paged results
+ * (maybe we can hang the result anywhere in the fsp struct)
+ *
+ * we don't send all files at once
+ * and at the next we should *not* start from the beginning,
+ * so we have to cache the result
+ *
+ * --metze
+ */
+
+ /* this works for now... */
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, NULL, 0, NULL, 0);
+ return -1;
+ }
+ default:
+ if (!logged_message) {
+ logged_message = True; /* Only print this once... */
+ DEBUG(0,("call_nt_transact_ioctl(0x%x): Currently not implemented.\n",
+ function));
+ }
+ }
+
+ return ERROR_NT(NT_STATUS_NOT_SUPPORTED);
+}
+
+
+#ifdef HAVE_SYS_QUOTAS
+/****************************************************************************
+ Reply to get user quota
+****************************************************************************/
+
+static int call_nt_transact_get_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count, uint32 max_data_count)
+{
+ NTSTATUS nt_status = NT_STATUS_OK;
+ char *params = *ppparams;
+ char *pdata = *ppdata;
+ char *entry;
+ int data_len=0,param_len=0;
+ int qt_len=0;
+ int entry_len = 0;
+ files_struct *fsp = NULL;
+ uint16 level = 0;
+ size_t sid_len;
+ DOM_SID sid;
+ BOOL start_enum = True;
+ SMB_NTQUOTA_STRUCT qt;
+ SMB_NTQUOTA_LIST *tmp_list;
+ SMB_NTQUOTA_HANDLE *qt_handle = NULL;
+ extern struct current_user current_user;
+
+ ZERO_STRUCT(qt);
+
+ /* access check */
+ if (current_user.uid != 0) {
+ DEBUG(1,("get_user_quota: access_denied service [%s] user [%s]\n",
+ lp_servicename(SNUM(conn)),conn->user));
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if (parameter_count < 4) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA: requires %d >= 4 bytes parameters\n",parameter_count));
+ return ERROR_DOS(ERRDOS,ERRinvalidparam);
+ }
+
+ /* maybe we can check the quota_fnum */
+ fsp = file_fsp(params,0);
+ if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
+ DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
+ return ERROR_NT(NT_STATUS_INVALID_HANDLE);
+ }
+
+ /* the NULL pointer cheking for fsp->fake_file_handle->pd
+ * is done by CHECK_NTQUOTA_HANDLE_OK()
+ */
+ qt_handle = (SMB_NTQUOTA_HANDLE *)fsp->fake_file_handle->pd;
+
+ level = SVAL(params,2);
+
+ /* unknown 12 bytes leading in params */
+
+ switch (level) {
+ case TRANSACT_GET_USER_QUOTA_LIST_CONTINUE:
+ /* seems that we should continue with the enum here --metze */
+
+ if (qt_handle->quota_list!=NULL &&
+ qt_handle->tmp_list==NULL) {
+
+ /* free the list */
+ free_ntquota_list(&(qt_handle->quota_list));
+
+ /* Realloc the size of parameters and data we will return */
+ param_len = 4;
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ data_len = 0;
+ SIVAL(params,0,data_len);
+
+ break;
+ }
+
+ start_enum = False;
+
+ case TRANSACT_GET_USER_QUOTA_LIST_START:
+
+ if (qt_handle->quota_list==NULL &&
+ qt_handle->tmp_list==NULL) {
+ start_enum = True;
+ }
+
+ if (start_enum && vfs_get_user_ntquota_list(fsp,&(qt_handle->quota_list))!=0)
+ return ERROR_DOS(ERRSRV,ERRerror);
+
+ /* Realloc the size of parameters and data we will return */
+ param_len = 4;
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ /* we should not trust the value in max_data_count*/
+ max_data_count = MIN(max_data_count,2048);
+
+ pdata = nttrans_realloc(ppdata, max_data_count);/* should be max data count from client*/
+ if(pdata == NULL) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ entry = pdata;
+
+ /* set params Size of returned Quota Data 4 bytes*/
+ /* but set it later when we know it */
+
+ /* for each entry push the data */
+
+ if (start_enum) {
+ qt_handle->tmp_list = qt_handle->quota_list;
+ }
+
+ tmp_list = qt_handle->tmp_list;
+
+ for (;((tmp_list!=NULL)&&((qt_len +40+SID_MAX_SIZE)<max_data_count));
+ tmp_list=tmp_list->next,entry+=entry_len,qt_len+=entry_len) {
+
+ sid_len = sid_size(&tmp_list->quotas->sid);
+ entry_len = 40 + sid_len;
+
+ /* nextoffset entry 4 bytes */
+ SIVAL(entry,0,entry_len);
+
+ /* then the len of the SID 4 bytes */
+ SIVAL(entry,4,sid_len);
+
+ /* unknown data 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-metze*/
+
+ /* the used disk space 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,16,tmp_list->quotas->usedspace);
+
+ /* the soft quotas 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,24,tmp_list->quotas->softlim);
+
+ /* the hard quotas 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,32,tmp_list->quotas->hardlim);
+
+ /* and now the SID */
+ sid_linearize(entry+40, sid_len, &tmp_list->quotas->sid);
+ }
+
+ qt_handle->tmp_list = tmp_list;
+
+ /* overwrite the offset of the last entry */
+ SIVAL(entry-entry_len,0,0);
+
+ data_len = 4+qt_len;
+ /* overwrite the params quota_data_len */
+ SIVAL(params,0,data_len);
+
+ break;
+
+ case TRANSACT_GET_USER_QUOTA_FOR_SID:
+
+ /* unknown 4 bytes IVAL(pdata,0) */
+
+ if (data_count < 8) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %d bytes data\n",data_count,8));
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+
+ sid_len = IVAL(pdata,4);
+ /* Ensure this is less than 1mb. */
+ if (sid_len > (1024*1024)) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ if (data_count < 8+sid_len) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: requires %d >= %lu bytes data\n",data_count,(unsigned long)(8+sid_len)));
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+
+ data_len = 4+40+sid_len;
+
+ if (max_data_count < data_len) {
+ DEBUG(0,("TRANSACT_GET_USER_QUOTA_FOR_SID: max_data_count(%d) < data_len(%d)\n",
+ max_data_count, data_len));
+ param_len = 4;
+ SIVAL(params,0,data_len);
+ data_len = 0;
+ nt_status = NT_STATUS_BUFFER_TOO_SMALL;
+ break;
+ }
+
+ sid_parse(pdata+8,sid_len,&sid);
+
+ if (vfs_get_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
+ ZERO_STRUCT(qt);
+ /*
+ * we have to return zero's in all fields
+ * instead of returning an error here
+ * --metze
+ */
+ }
+
+ /* Realloc the size of parameters and data we will return */
+ param_len = 4;
+ params = nttrans_realloc(ppparams, param_len);
+ if(params == NULL) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ pdata = nttrans_realloc(ppdata, data_len);
+ if(pdata == NULL) {
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ entry = pdata;
+
+ /* set params Size of returned Quota Data 4 bytes*/
+ SIVAL(params,0,data_len);
+
+ /* nextoffset entry 4 bytes */
+ SIVAL(entry,0,0);
+
+ /* then the len of the SID 4 bytes */
+ SIVAL(entry,4,sid_len);
+
+ /* unknown data 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,8,(SMB_BIG_UINT)0); /* this is not 0 in windows...-mezte*/
+
+ /* the used disk space 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,16,qt.usedspace);
+
+ /* the soft quotas 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,24,qt.softlim);
+
+ /* the hard quotas 8 bytes SMB_BIG_UINT */
+ SBIG_UINT(entry,32,qt.hardlim);
+
+ /* and now the SID */
+ sid_linearize(entry+40, sid_len, &sid);
+
+ break;
+
+ default:
+ DEBUG(0,("do_nt_transact_get_user_quota: fnum %d unknown level 0x%04hX\n",fsp->fnum,level));
+ return ERROR_DOS(ERRSRV,ERRerror);
+ break;
+ }
+
+ send_nt_replies(inbuf, outbuf, bufsize, nt_status, params, param_len, pdata, data_len);
+
+ return -1;
+}
+
+/****************************************************************************
+ Reply to set user quota
+****************************************************************************/
+
+static int call_nt_transact_set_user_quota(connection_struct *conn, char *inbuf, char *outbuf, int length, int bufsize,
+ char **ppsetup, uint32 setup_count,
+ char **ppparams, uint32 parameter_count,
+ char **ppdata, uint32 data_count, uint32 max_data_count)
+{
+ char *params = *ppparams;
+ char *pdata = *ppdata;
+ int data_len=0,param_len=0;
+ SMB_NTQUOTA_STRUCT qt;
+ size_t sid_len;
+ DOM_SID sid;
+ files_struct *fsp = NULL;
+
+ ZERO_STRUCT(qt);
+
+ /* access check */
+ if (current_user.uid != 0) {
+ DEBUG(1,("set_user_quota: access_denied service [%s] user [%s]\n",
+ lp_servicename(SNUM(conn)),conn->user));
+ return ERROR_DOS(ERRDOS,ERRnoaccess);
+ }
+
+ /*
+ * Ensure minimum number of parameters sent.
+ */
+
+ if (parameter_count < 2) {
+ DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= 2 bytes parameters\n",parameter_count));
+ return ERROR_DOS(ERRDOS,ERRinvalidparam);
+ }
+
+ /* maybe we can check the quota_fnum */
+ fsp = file_fsp(params,0);
+ if (!CHECK_NTQUOTA_HANDLE_OK(fsp,conn)) {
+ DEBUG(3,("TRANSACT_GET_USER_QUOTA: no valid QUOTA HANDLE\n"));
+ return ERROR_NT(NT_STATUS_INVALID_HANDLE);
+ }
+
+ if (data_count < 40) {
+ DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %d bytes data\n",data_count,40));
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+
+ /* offset to next quota record.
+ * 4 bytes IVAL(pdata,0)
+ * unused here...
+ */
+
+ /* sid len */
+ sid_len = IVAL(pdata,4);
+
+ if (data_count < 40+sid_len) {
+ DEBUG(0,("TRANSACT_SET_USER_QUOTA: requires %d >= %lu bytes data\n",data_count,(unsigned long)40+sid_len));
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+
+ /* unknown 8 bytes in pdata
+ * maybe its the change time in NTTIME
+ */
+
+ /* the used space 8 bytes (SMB_BIG_UINT)*/
+ qt.usedspace = (SMB_BIG_UINT)IVAL(pdata,16);
+#ifdef LARGE_SMB_OFF_T
+ qt.usedspace |= (((SMB_BIG_UINT)IVAL(pdata,20)) << 32);
+#else /* LARGE_SMB_OFF_T */
+ if ((IVAL(pdata,20) != 0)&&
+ ((qt.usedspace != 0xFFFFFFFF)||
+ (IVAL(pdata,20)!=0xFFFFFFFF))) {
+ /* more than 32 bits? */
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+#endif /* LARGE_SMB_OFF_T */
+
+ /* the soft quotas 8 bytes (SMB_BIG_UINT)*/
+ qt.softlim = (SMB_BIG_UINT)IVAL(pdata,24);
+#ifdef LARGE_SMB_OFF_T
+ qt.softlim |= (((SMB_BIG_UINT)IVAL(pdata,28)) << 32);
+#else /* LARGE_SMB_OFF_T */
+ if ((IVAL(pdata,28) != 0)&&
+ ((qt.softlim != 0xFFFFFFFF)||
+ (IVAL(pdata,28)!=0xFFFFFFFF))) {
+ /* more than 32 bits? */
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+#endif /* LARGE_SMB_OFF_T */
+
+ /* the hard quotas 8 bytes (SMB_BIG_UINT)*/
+ qt.hardlim = (SMB_BIG_UINT)IVAL(pdata,32);
+#ifdef LARGE_SMB_OFF_T
+ qt.hardlim |= (((SMB_BIG_UINT)IVAL(pdata,36)) << 32);
+#else /* LARGE_SMB_OFF_T */
+ if ((IVAL(pdata,36) != 0)&&
+ ((qt.hardlim != 0xFFFFFFFF)||
+ (IVAL(pdata,36)!=0xFFFFFFFF))) {
+ /* more than 32 bits? */
+ return ERROR_DOS(ERRDOS,ERRunknownlevel);
+ }
+#endif /* LARGE_SMB_OFF_T */
+
+ sid_parse(pdata+40,sid_len,&sid);
+ DEBUGADD(8,("SID: %s\n",sid_string_static(&sid)));
+
+ /* 44 unknown bytes left... */
+
+ if (vfs_set_ntquota(fsp, SMB_USER_QUOTA_TYPE, &sid, &qt)!=0) {
+ return ERROR_DOS(ERRSRV,ERRerror);
+ }
+
+ send_nt_replies(inbuf, outbuf, bufsize, NT_STATUS_OK, params, param_len, pdata, data_len);
+
+ return -1;
+}
+#endif /* HAVE_SYS_QUOTAS */
+
+/****************************************************************************
+ Reply to a SMBNTtrans.
+****************************************************************************/
+
+int reply_nttrans(connection_struct *conn,
+ char *inbuf,char *outbuf,int length,int bufsize)
+{
+ int outsize = 0;
+ uint32 max_data_count = IVAL(inbuf,smb_nt_MaxDataCount);
+#if 0 /* Not used. */
+ uint16 max_setup_count = CVAL(inbuf, smb_nt_MaxSetupCount);
+ uint32 max_parameter_count = IVAL(inbuf, smb_nt_MaxParameterCount);
+#endif /* Not used. */
+ uint32 total_parameter_count = IVAL(inbuf, smb_nt_TotalParameterCount);
+ uint32 total_data_count = IVAL(inbuf, smb_nt_TotalDataCount);
+ uint32 parameter_count = IVAL(inbuf,smb_nt_ParameterCount);
+ uint32 parameter_offset = IVAL(inbuf,smb_nt_ParameterOffset);
+ uint32 data_count = IVAL(inbuf,smb_nt_DataCount);
+ uint32 data_offset = IVAL(inbuf,smb_nt_DataOffset);
+ uint16 setup_count = 2*CVAL(inbuf,smb_nt_SetupCount); /* setup count is in *words* */
+ uint16 function_code = SVAL( inbuf, smb_nt_Function);
+ char *params = NULL, *data = NULL, *setup = NULL;
+ uint32 num_params_sofar, num_data_sofar;
+ START_PROFILE(SMBnttrans);
+
+ if (IS_IPC(conn) && (function_code != NT_TRANSACT_CREATE)) {
+ END_PROFILE(SMBnttrans);
+ return ERROR_DOS(ERRSRV,ERRaccess);
+ }
+
+ outsize = set_message(outbuf,0,0,True);
+
+ /*
+ * All nttrans messages we handle have smb_wct == 19 + setup_count.
+ * Ensure this is so as a sanity check.
+ */
+
+ if(CVAL(inbuf, smb_wct) != 19 + (setup_count/2)) {
+ DEBUG(2,("Invalid smb_wct %d in nttrans call (should be %d)\n",
+ CVAL(inbuf, smb_wct), 19 + (setup_count/2)));
+ goto bad_param;
+ }
+
+ /* Don't allow more than 128mb for each value. */
+ if ((total_parameter_count > (1024*1024*128)) || (total_data_count > (1024*1024*128))) {
+ END_PROFILE(SMBnttrans);
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ /* Allocate the space for the setup, the maximum needed parameters and data */
+
+ if(setup_count > 0) {
+ setup = (char *)SMB_MALLOC(setup_count);
+ }
+ if (total_parameter_count > 0) {
+ params = (char *)SMB_MALLOC(total_parameter_count);
+ }
+ if (total_data_count > 0) {
+ data = (char *)SMB_MALLOC(total_data_count);
+ }
+
+ if ((total_parameter_count && !params) || (total_data_count && !data) ||
+ (setup_count && !setup)) {
+ SAFE_FREE(setup);
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ DEBUG(0,("reply_nttrans : Out of memory\n"));
+ END_PROFILE(SMBnttrans);
+ return ERROR_DOS(ERRDOS,ERRnomem);
+ }
+
+ /* Copy the param and data bytes sent with this request into the params buffer */
+ num_params_sofar = parameter_count;
+ num_data_sofar = data_count;
+
+ if (parameter_count > total_parameter_count || data_count > total_data_count)
+ goto bad_param;
+
+ if(setup) {
+ DEBUG(10,("reply_nttrans: setup_count = %d\n", setup_count));
+ if ((smb_nt_SetupStart + setup_count < smb_nt_SetupStart) ||
+ (smb_nt_SetupStart + setup_count < setup_count)) {
+ goto bad_param;
+ }
+ if (smb_nt_SetupStart + setup_count > length) {
+ goto bad_param;
+ }
+
+ memcpy( setup, &inbuf[smb_nt_SetupStart], setup_count);
+ dump_data(10, setup, setup_count);
+ }
+ if(params) {
+ DEBUG(10,("reply_nttrans: parameter_count = %d\n", parameter_count));
+ if ((parameter_offset + parameter_count < parameter_offset) ||
+ (parameter_offset + parameter_count < parameter_count)) {
+ goto bad_param;
+ }
+ if ((smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length)||
+ (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf))) {
+ goto bad_param;
+ }
+
+ memcpy( params, smb_base(inbuf) + parameter_offset, parameter_count);
+ dump_data(10, params, parameter_count);
+ }
+ if(data) {
+ DEBUG(10,("reply_nttrans: data_count = %d\n",data_count));
+ if ((data_offset + data_count < data_offset) || (data_offset + data_count < data_count)) {
+ goto bad_param;
+ }
+ if ((smb_base(inbuf) + data_offset + data_count > inbuf + length) ||
+ (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf))) {
+ goto bad_param;
+ }
+
+ memcpy( data, smb_base(inbuf) + data_offset, data_count);
+ dump_data(10, data, data_count);
+ }
+
+ srv_signing_trans_start(SVAL(inbuf,smb_mid));
+
+ if(num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
+ /* We need to send an interim response then receive the rest
+ of the parameter/data bytes */
+ outsize = set_message(outbuf,0,0,True);
+ srv_signing_trans_stop();
+ show_msg(outbuf);
+ if (!send_smb(smbd_server_fd(),outbuf)) {
+ exit_server("reply_nttrans: send_smb failed.");
+ }
+
+ while( num_data_sofar < total_data_count || num_params_sofar < total_parameter_count) {
+ BOOL ret;
+ uint32 parameter_displacement;
+ uint32 data_displacement;
+
+ ret = receive_next_smb(inbuf,bufsize,SMB_SECONDARY_WAIT);
+
+ /* We need to re-calcuate the new length after we've read the secondary packet. */
+ length = smb_len(inbuf) + 4;
+
+ /*
+ * The sequence number for the trans reply is always
+ * based on the last secondary received.
+ */
+
+ srv_signing_trans_start(SVAL(inbuf,smb_mid));
+
+ if((ret && (CVAL(inbuf, smb_com) != SMBnttranss)) || !ret) {
+ outsize = set_message(outbuf,0,0,True);
+ if(ret) {
+ DEBUG(0,("reply_nttrans: Invalid secondary nttrans packet\n"));
+ } else {
+ DEBUG(0,("reply_nttrans: %s in getting secondary nttrans response.\n",
+ (smb_read_error == READ_ERROR) ? "error" : "timeout" ));
+ }
+ goto bad_param;
+ }
+
+ /* Revise total_params and total_data in case they have changed downwards */
+ if (IVAL(inbuf, smb_nts_TotalParameterCount) < total_parameter_count) {
+ total_parameter_count = IVAL(inbuf, smb_nts_TotalParameterCount);
+ }
+ if (IVAL(inbuf, smb_nts_TotalDataCount) < total_data_count) {
+ total_data_count = IVAL(inbuf, smb_nts_TotalDataCount);
+ }
+
+ parameter_count = IVAL(inbuf,smb_nts_ParameterCount);
+ parameter_offset = IVAL(inbuf, smb_nts_ParameterOffset);
+ parameter_displacement = IVAL(inbuf, smb_nts_ParameterDisplacement);
+ num_params_sofar += parameter_count;
+
+ data_count = IVAL(inbuf, smb_nts_DataCount);
+ data_displacement = IVAL(inbuf, smb_nts_DataDisplacement);
+ data_offset = IVAL(inbuf, smb_nts_DataOffset);
+ num_data_sofar += data_count;
+
+ if (num_params_sofar > total_parameter_count || num_data_sofar > total_data_count) {
+ DEBUG(0,("reply_nttrans2: data overflow in secondary nttrans packet"));
+ goto bad_param;
+ }
+
+ if (parameter_count) {
+ if (parameter_displacement + parameter_count > total_parameter_count) {
+ goto bad_param;
+ }
+ if ((parameter_displacement + parameter_count < parameter_displacement) ||
+ (parameter_displacement + parameter_count < parameter_count)) {
+ goto bad_param;
+ }
+ if (parameter_displacement > total_parameter_count) {
+ goto bad_param;
+ }
+ if ((smb_base(inbuf) + parameter_offset + parameter_count > inbuf + length) ||
+ (smb_base(inbuf) + parameter_offset + parameter_count < smb_base(inbuf))) {
+ goto bad_param;
+ }
+ if (parameter_displacement + params < params) {
+ goto bad_param;
+ }
+
+ memcpy( ¶ms[parameter_displacement], smb_base(inbuf) + parameter_offset, parameter_count);
+ }
+
+ if (data_count) {
+ if (data_displacement + data_count > total_data_count) {
+ goto bad_param;
+ }
+ if ((data_displacement + data_count < data_displacement) ||
+ (data_displacement + data_count < data_count)) {
+ goto bad_param;
+ }
+ if (data_displacement > total_data_count) {
+ goto bad_param;
+ }
+ if ((smb_base(inbuf) + data_offset + data_count > inbuf + length) ||
+ (smb_base(inbuf) + data_offset + data_count < smb_base(inbuf))) {
+ goto bad_param;
+ }
+ if (data_displacement + data < data) {
+ goto bad_param;
+ }
+
+ memcpy( &data[data_displacement], smb_base(inbuf)+ data_offset, data_count);
+ }
+ }
+ }
+
+ if (Protocol >= PROTOCOL_NT1) {
+ SSVAL(outbuf,smb_flg2,SVAL(outbuf,smb_flg2) | FLAGS2_IS_LONG_NAME);
+ }
+
+ /* Now we must call the relevant NT_TRANS function */
+ switch(function_code) {
+ case NT_TRANSACT_CREATE:
+ START_PROFILE_NESTED(NT_transact_create);
+ outsize = call_nt_transact_create(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, total_parameter_count,
+ &data, total_data_count, max_data_count);
+ END_PROFILE_NESTED(NT_transact_create);
+ break;
+ case NT_TRANSACT_IOCTL:
+ START_PROFILE_NESTED(NT_transact_ioctl);
+ outsize = call_nt_transact_ioctl(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, total_parameter_count,
+ &data, total_data_count, max_data_count);
+ END_PROFILE_NESTED(NT_transact_ioctl);
+ break;
+ case NT_TRANSACT_SET_SECURITY_DESC:
+ START_PROFILE_NESTED(NT_transact_set_security_desc);
+ outsize = call_nt_transact_set_security_desc(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, total_parameter_count,
+ &data, total_data_count, max_data_count);
+ END_PROFILE_NESTED(NT_transact_set_security_desc);
+ break;
+ case NT_TRANSACT_NOTIFY_CHANGE:
+ START_PROFILE_NESTED(NT_transact_notify_change);
+ outsize = call_nt_transact_notify_change(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, total_parameter_count,
+ &data, total_data_count, max_data_count);
+ END_PROFILE_NESTED(NT_transact_notify_change);
+ break;
+ case NT_TRANSACT_RENAME:
+ START_PROFILE_NESTED(NT_transact_rename);
+ outsize = call_nt_transact_rename(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, total_parameter_count,
+ &data, total_data_count, max_data_count);
+ END_PROFILE_NESTED(NT_transact_rename);
+ break;
+
+ case NT_TRANSACT_QUERY_SECURITY_DESC:
+ START_PROFILE_NESTED(NT_transact_query_security_desc);
+ outsize = call_nt_transact_query_security_desc(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, total_parameter_count,
+ &data, total_data_count, max_data_count);
+ END_PROFILE_NESTED(NT_transact_query_security_desc);
+ break;
+#ifdef HAVE_SYS_QUOTAS
+ case NT_TRANSACT_GET_USER_QUOTA:
+ START_PROFILE_NESTED(NT_transact_get_user_quota);
+ outsize = call_nt_transact_get_user_quota(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, total_parameter_count,
+ &data, total_data_count, max_data_count);
+ END_PROFILE_NESTED(NT_transact_get_user_quota);
+ break;
+ case NT_TRANSACT_SET_USER_QUOTA:
+ START_PROFILE_NESTED(NT_transact_set_user_quota);
+ outsize = call_nt_transact_set_user_quota(conn, inbuf, outbuf,
+ length, bufsize,
+ &setup, setup_count,
+ ¶ms, total_parameter_count,
+ &data, total_data_count, max_data_count);
+ END_PROFILE_NESTED(NT_transact_set_user_quota);
+ break;
+#endif /* HAVE_SYS_QUOTAS */
+ default:
+ /* Error in request */
+ DEBUG(0,("reply_nttrans: Unknown request %d in nttrans call\n", function_code));
+ SAFE_FREE(setup);
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ END_PROFILE(SMBnttrans);
+ srv_signing_trans_stop();
+ return ERROR_DOS(ERRSRV,ERRerror);
+ }
+
+ /* As we do not know how many data packets will need to be
+ returned here the various call_nt_transact_xxxx calls
+ must send their own. Thus a call_nt_transact_xxxx routine only
+ returns a value other than -1 when it wants to send
+ an error packet.
+ */
+
+ srv_signing_trans_stop();
+
+ SAFE_FREE(setup);
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ END_PROFILE(SMBnttrans);
+ return outsize; /* If a correct response was needed the call_nt_transact_xxxx
+ calls have already sent it. If outsize != -1 then it is
+ returning an error packet. */
+
+ bad_param:
+
+ srv_signing_trans_stop();
+ SAFE_FREE(params);
+ SAFE_FREE(data);
+ SAFE_FREE(setup);
+ END_PROFILE(SMBnttrans);
+ return ERROR_NT(NT_STATUS_INVALID_PARAMETER);
+}
projects / samba / blobdiff