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/* statmod.c - twoftpd routines for modifying file status
* Copyright (C) 2008 Bruce Guenter <bruce@untroubled.org>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <sys/types.h>
#include <ctype.h>
#include <stdio.h>
#include <utime.h>
#include <systime.h>
#include "twoftpd.h"
#include "backend.h"
static int getint(const char* s, unsigned digits)
{
int i;
for (i = 0; digits > 0; ++s, --digits)
i = (i * 10) + *s - '0';
return i;
}
static int gettime(const char* s, char end, time_t* stamp)
{
int i;
struct tm tm;
for (i = 0; i < 14; ++i)
if (!isdigit(s[i]))
return 0;
if (s[14] != end)
return 0;
tm.tm_year = getint(req_param+0, 4) - 1900;
tm.tm_mon = getint(req_param+4, 2) - 1;
tm.tm_mday = getint(req_param+6, 2);
tm.tm_hour = getint(req_param+8, 2);
tm.tm_min = getint(req_param+10, 2);
tm.tm_sec = getint(req_param+12, 2);
tm.tm_wday = tm.tm_yday = tm.tm_isdst = 0;
if (tm.tm_year < 70 ||
tm.tm_mon < 0 || tm.tm_mon >= 12 ||
tm.tm_mday < 1 || tm.tm_mday > 31 ||
tm.tm_hour < 0 || tm.tm_hour >= 24 ||
tm.tm_min < 0 || tm.tm_min >= 60 ||
tm.tm_sec < 0 || tm.tm_sec > 61 ||
(*stamp = mktime(&tm)) == -1)
return -1;
#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__)
*stamp -= tm.tm_gmtoff;
#else
*stamp -= timezone;
#endif
return 1;
}
int handle_mdtm2(void)
{
time_t stamp;
struct utimbuf ut;
switch (gettime(req_param, ' ', &stamp)) {
case 0: return handle_mdtm();
case -1: return respond(501, 1, "Invalid timestamp");
}
req_param += 15;
if (!qualify_validate(req_param)) return 1;
ut.actime = ut.modtime = stamp;
if (utime(fullpath.s+1, &ut) == -1)
return respond_syserr(550, "Could not set file time");
return respond(200, 1, "File time set");
}
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