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/*
*
* Checking routines for old VFS quota format
*
*/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include "pot.h"
#include "common.h"
#include "quotaio.h"
#include "quotaio_v1.h"
#include "quotacheck.h"
/* Load all other dquot structures */
static void load_dquots(char *filename, int fd, int type)
{
struct v1_disk_dqblk ddqblk;
struct util_dqblk *udq;
struct dquot *dquot;
int err;
qid_t id = 0;
lseek(fd, 0, SEEK_SET);
while ((err = read(fd, &ddqblk, sizeof(ddqblk)))) {
if (err < 0)
die(1, _("Cannot read entry for id %u from quotafile %s: %s\n"), (uint) id,
filename, strerror(errno));
if (err != sizeof(ddqblk)) {
errstr(_("Entry for id %u is truncated.\n"),
(uint) id);
break;
}
if (ddqblk.dqb_bhardlimit == 0
&& ddqblk.dqb_bsoftlimit == 0
&& ddqblk.dqb_ihardlimit == 0
&& ddqblk.dqb_isoftlimit == 0) {
id++;
continue;
}
dquot = add_dquot(id, type);
udq = &dquot->dq_dqb;
udq->dqb_bhardlimit = ddqblk.dqb_bhardlimit;
udq->dqb_bsoftlimit = ddqblk.dqb_bsoftlimit;
udq->dqb_ihardlimit = ddqblk.dqb_ihardlimit;
udq->dqb_isoftlimit = ddqblk.dqb_isoftlimit;
udq->dqb_btime = ddqblk.dqb_btime;
udq->dqb_itime = ddqblk.dqb_itime;
id++;
}
}
/* Load first structure - get grace times */
static int check_info(char *filename, int fd, int type)
{
struct v1_disk_dqblk ddqblk;
int err;
debug(FL_DEBUG, _("Loading first quota entry with grace times.\n"));
lseek(fd, 0, SEEK_SET);
err = read(fd, &ddqblk, sizeof(ddqblk));
if (err < 0)
die(1, _("Cannot read first entry from quotafile %s: %s\n"), filename,
strerror(errno));
if (err != sizeof(ddqblk)) {
errstr(
_("WARNING - Quotafile %s was probably truncated. Cannot save quota settings...\n"),
filename);
return -1;
}
old_info[type].dqi_bgrace = ddqblk.dqb_btime;
old_info[type].dqi_igrace = ddqblk.dqb_itime;
debug(FL_DEBUG, _("First entry loaded.\n"));
return 0;
}
int v1_buffer_file(char *filename, int fd, int type)
{
old_info[type].dqi_bgrace = MAX_DQ_TIME;
old_info[type].dqi_igrace = MAX_IQ_TIME;
if (flags & FL_NEWFILE)
return 0;
if (check_info(filename, fd, type) < 0)
return 0;
load_dquots(filename, fd, type);
return 0;
}
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