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/*
* quota.c --- debugfs quota commands
*
* Copyright (C) 2014 Theodore Ts'o. This file may be redistributed
* under the terms of the GNU Public License.
*/
#include "config.h"
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <time.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#include <sys/types.h>
#ifdef HAVE_GETOPT_H
#include <getopt.h>
#else
extern int optind;
extern char *optarg;
#endif
#include "debugfs.h"
const char *quota_type[] = { "user", "group", "project", NULL };
static int load_quota_ctx(char *progname)
{
errcode_t retval;
if (check_fs_open(progname))
return 1;
if (!ext2fs_has_feature_quota(current_fs->super)) {
com_err(progname, 0, "quota feature not enabled");
return 1;
}
if (current_qctx)
return 0;
retval = quota_init_context(¤t_qctx, current_fs, 0);
if (retval) {
com_err(current_fs->device_name, retval,
"while trying to load quota information");
return 1;
}
return 0;
}
static int parse_quota_type(const char *cmdname, const char *str)
{
errcode_t retval;
char *t;
int flags = 0;
int i;
for (i = 0; i < MAXQUOTAS; i++) {
if (strcasecmp(str, quota_type[i]) == 0)
break;
}
if (i >= MAXQUOTAS) {
i = strtol(str, &t, 0);
if (*t)
i = -1;
}
if (i < 0 || i >= MAXQUOTAS) {
com_err(0, 0, "Invalid quota type: %s", str);
printf("Valid quota types are: ");
for (i = 0; i < MAXQUOTAS; i++)
printf("%s ", quota_type[i]);
printf("\n");
return -1;
}
if (current_fs->flags & EXT2_FLAG_RW)
flags |= EXT2_FILE_WRITE;
retval = quota_file_open(current_qctx, NULL, 0, i, -1, flags);
if (retval) {
com_err(cmdname, retval,
"while opening quota inode (type %d)", i);
return -1;
}
return i;
}
static int list_quota_callback(struct dquot *dq,
void *cb_data EXT2FS_ATTR((unused)))
{
printf("%10u %8lld %8lld %8lld %8lld %8lld %8lld\n",
dq->dq_id, (long long)dq->dq_dqb.dqb_curspace,
(long long)dq->dq_dqb.dqb_bsoftlimit,
(long long)dq->dq_dqb.dqb_bhardlimit,
(long long)dq->dq_dqb.dqb_curinodes,
(long long)dq->dq_dqb.dqb_isoftlimit,
(long long)dq->dq_dqb.dqb_ihardlimit);
return 0;
}
void do_list_quota(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
void *infop EXT2FS_ATTR((unused)))
{
errcode_t retval;
int type;
struct quota_handle *qh;
if (load_quota_ctx(argv[0]))
return;
if (argc != 2) {
com_err(0, 0, "Usage: list_quota <quota_type>\n");
return;
}
type = parse_quota_type(argv[0], argv[1]);
if (type < 0)
return;
printf("%7s %2s %8s %8s %8s %8s %8s %8s\n",
quota_type[type], "id",
"space", "quota", "limit", "inodes", "quota", "limit");
qh = current_qctx->quota_file[type];
retval = qh->qh_ops->scan_dquots(qh, list_quota_callback, NULL);
if (retval) {
com_err(argv[0], retval, "while scanning dquots");
return;
}
}
void do_get_quota(int argc, char *argv[], int sci_idx EXT2FS_ATTR((unused)),
void *infop EXT2FS_ATTR((unused)))
{
int err, type;
struct quota_handle *qh;
struct dquot *dq;
qid_t id;
if (load_quota_ctx(argv[0]))
return;
if (argc != 3) {
com_err(0, 0, "Usage: get_quota <quota_type> <id>\n");
return;
}
type = parse_quota_type(argv[0], argv[1]);
if (type < 0)
return;
id = parse_ulong(argv[2], argv[0], "id", &err);
if (err)
return;
printf("%7s %2s %8s %8s %8s %8s %8s %8s\n",
quota_type[type], "id",
"space", "quota", "limit", "inodes", "quota", "limit");
qh = current_qctx->quota_file[type];
dq = qh->qh_ops->read_dquot(qh, id);
if (dq) {
list_quota_callback(dq, NULL);
ext2fs_free_mem(&dq);
} else {
com_err(argv[0], 0, "couldn't read quota record");
}
}
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