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/*
Unix SMB/CIFS implementation.
printing backend routines for smbd - using files_struct rather
than only snum
Copyright (C) Andrew Tridgell 1992-2000
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
/***************************************************************************
open a print file and setup a fsp for it. This is a wrapper around
print_job_start().
***************************************************************************/
NTSTATUS print_fsp_open(struct smb_request *req, connection_struct *conn,
const char *fname,
uint16_t current_vuid, files_struct *fsp)
{
const char *svcname = lp_const_servicename(SNUM(conn));
uint32_t jobid;
fstring name;
NTSTATUS status;
WERROR werr;
fstrcpy( name, "Remote Downlevel Document");
if (fname) {
const char *p = strrchr(fname, '/');
fstrcat(name, " ");
if (!p) {
p = fname;
}
fstrcat(name, p);
}
werr = print_job_start(conn->server_info, SNUM(conn),
name, fname, NULL, &jobid);
if (!W_ERROR_IS_OK(werr)) {
return werror_to_ntstatus(werr);
}
fsp->print_file = talloc(fsp, struct print_file_data);
if (!fsp->print_file) {
return NT_STATUS_NO_MEMORY;
}
/* Convert to RAP id. */
fsp->print_file->rap_jobid = pjobid_to_rap(svcname, jobid);
if (fsp->print_file->rap_jobid == 0) {
/* We need to delete the entry in the tdb. */
pjob_delete(svcname, jobid);
return NT_STATUS_ACCESS_DENIED; /* No errno around here */
}
status = create_synthetic_smb_fname(fsp,
print_job_fname(svcname, jobid), NULL,
NULL, &fsp->fsp_name);
if (!NT_STATUS_IS_OK(status)) {
pjob_delete(svcname, jobid);
return status;
}
/* setup a full fsp */
fsp->fh->fd = print_job_fd(svcname, jobid);
GetTimeOfDay(&fsp->open_time);
fsp->vuid = current_vuid;
fsp->fh->pos = -1;
fsp->can_lock = False;
fsp->can_read = False;
fsp->access_mask = FILE_GENERIC_WRITE;
fsp->can_write = True;
fsp->modified = False;
fsp->oplock_type = NO_OPLOCK;
fsp->sent_oplock_break = NO_BREAK_SENT;
fsp->is_directory = False;
fsp->wcp = NULL;
SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st);
fsp->mode = fsp->fsp_name->st.st_ex_mode;
fsp->file_id = vfs_file_id_from_sbuf(conn, &fsp->fsp_name->st);
return NT_STATUS_OK;
}
/****************************************************************************
Print a file - called on closing the file.
****************************************************************************/
void print_fsp_end(files_struct *fsp, enum file_close_type close_type)
{
uint32 jobid;
if (fsp->fh->private_options & NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE) {
/*
* Truncate the job. print_job_end will take
* care of deleting it for us. JRA.
*/
sys_ftruncate(fsp->fh->fd, 0);
}
if (fsp->fsp_name) {
TALLOC_FREE(fsp->fsp_name);
}
if (!rap_to_pjobid(fsp->print_file->rap_jobid, NULL, &jobid)) {
DEBUG(3,("print_fsp_end: Unable to convert RAP jobid %u to print jobid.\n",
(unsigned int)fsp->print_file->rap_jobid ));
return;
}
print_job_end(SNUM(fsp->conn),jobid, close_type);
}
/****************************************************************************
Discovered by Sebastian Kloska <oncaphillis@snafu.de>. When print files
go beyond 4GB, the 32-bit offset sent in old SMBwrite calls is relative
to the current 4GB chunk we're writing to.
****************************************************************************/
SMB_OFF_T printfile_offset(files_struct *fsp, SMB_OFF_T offset)
{
SMB_STRUCT_STAT st;
if (offset & 0xffffffff00000000LL) {
/* offset is > 4G, skip */
return offset;
}
if (sys_fstat(fsp->fh->fd, &st, false) == -1) {
DEBUG(3,("printfile_offset: sys_fstat failed on %s (%s)\n",
fsp_str_dbg(fsp),
strerror(errno) ));
return offset;
}
return (st.st_ex_size & 0xffffffff00000000LL) + offset;
}
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