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/******************************************************************************
(c) 1998-2000 Christine Caulfield christine.caulfield@googlemail.com
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
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.
******************************************************************************
*/
// erase.cc
// Code for an ERASE task within a FAL server process.
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <assert.h>
#include <unistd.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <syslog.h>
#include <limits.h>
#include <pwd.h>
#include <grp.h>
#include <glob.h>
#include <regex.h>
#include <string.h>
#include <netdnet/dn.h>
#include <netdnet/dnetdb.h>
#include "logging.h"
#include "connection.h"
#include "protocol.h"
#include "vaxcrc.h"
#include "params.h"
#include "task.h"
#include "server.h"
#include "erase.h"
fal_erase::fal_erase(dap_connection &c, int v, fal_params &p):
fal_task(c,v,p)
{
}
fal_erase::~fal_erase()
{
}
bool fal_erase::process_message(dap_message *m)
{
if (verbose > 2) DAPLOG((LOG_DEBUG, "in fal_erase::process_message\n"));
switch (m->get_type())
{
case dap_message::ACCESS:
{
glob_t gl;
int status;
int pathno = 0;
char unixname[PATH_MAX];
dap_access_message *am = (dap_access_message *)m;
// Convert the name if necessary
if (is_vms_name(am->get_filespec()))
{
make_unix_filespec(unixname, am->get_filespec());
}
else
{
strcpy(unixname, am->get_filespec());
add_vroot(unixname);
}
// Create the list of files
status = glob(unixname, 0, NULL, &gl);
if (status)
{
// glob does not return errno codes
switch (status)
{
case GLOB_NOSPACE:
return_error(ENOMEM);
break;
#ifdef GLOB_ABORTED
case GLOB_ABORTED:
#else
case GLOB_ABEND:
#endif
return_error(EIO);
break;
#ifdef GLOB_NOMATCH
case GLOB_NOMATCH:
return_error(ENOENT);
break;
#endif
default:
return_error();
break;
}
return false;
}
conn.set_blocked(true);
if (gl.gl_pathc == 1)
{
if (!send_file_attributes(gl.gl_pathv[0], am->get_display(),
SEND_DEV))
return false;
}
// Delete all the files
do
{
status = unlink(gl.gl_pathv[pathno]);
if (verbose > 1)
DAPLOG((LOG_DEBUG, "in fal_erase: unlink '%s', result = %d\n", gl.gl_pathv[pathno], status));
pathno++;
} while (status == 0 && gl.gl_pathv[pathno]);
if (status) // Send error code
{
return_error();
}
else
{
dap_ack_message ack;
ack.write(conn);
dap_accomp_message acc;
acc.set_cmpfunc(dap_accomp_message::RESPONSE);
acc.write(conn);
}
globfree(&gl);
if (!conn.set_blocked(false)) return false;
}
}
return false; //Finished
}
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