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Explicitely cast to (u_quad_t) calls to btodb() and dbtob() to avoid

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int overflow. It's now possible to add/display quotas of more than
4G.
XXX I'm sure there is a PR open on this but I couln't find it with the
usual search engines. If someone knows it's number ...
This commit is contained in:
bouyer 1999-12-16 17:29:52 +00:00
parent 30af11dbd4
commit 7616130d51
2 changed files with 44 additions and 37 deletions
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20
usr.bin/quota/quota.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: quota.c,v 1.21 1998/08/25 20:59:39 ross Exp $ */
/* $NetBSD: quota.c,v 1.22 1999/12/16 17:29:52 bouyer Exp $ */
/*
* Copyright (c) 1980, 1990, 1993
@ -46,7 +46,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1990, 1993\n\
#if 0
static char sccsid[] = "@(#)quota.c 8.4 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: quota.c,v 1.21 1998/08/25 20:59:39 ross Exp $");
__RCSID("$NetBSD: quota.c,v 1.22 1999/12/16 17:29:52 bouyer Exp $");
#endif
#endif /* not lint */
@ -350,7 +350,8 @@ showquotas(type, id, name)
>= qup->dqblk.dqb_bsoftlimit) {
if (qup->dqblk.dqb_btime > now)
msgb = "In block grace period on";
else msgb = "Over block quota on";
else
msgb = "Over block quota on";
}
}
if (qflag) {
@ -373,12 +374,15 @@ showquotas(type, id, name)
printf("%s\n", qup->fsname);
nam = "";
}
printf("%15s%8d%c%7d%8d%8s"
printf("%12s%9d%c%8d%9d%8s"
, nam
, dbtob(qup->dqblk.dqb_curblocks) / 1024
, (int)(dbtob((u_quad_t)qup->dqblk.dqb_curblocks)
/ 1024)
, (msgb == (char *)0) ? ' ' : '*'
, dbtob(qup->dqblk.dqb_bsoftlimit) / 1024
, dbtob(qup->dqblk.dqb_bhardlimit) / 1024
, (int)(dbtob((u_quad_t)qup->dqblk.dqb_bsoftlimit)
/ 1024)
, (int)(dbtob((u_quad_t)qup->dqblk.dqb_bhardlimit)
/ 1024)
, (msgb == (char *)0) ? ""
: timeprt(qup->dqblk.dqb_btime));
printf("%8d%c%7d%8d%8s\n"
@ -406,7 +410,7 @@ heading(type, id, name, tag)
printf("Disk quotas for %s %s (%cid %ld): %s\n", qfextension[type],
name, *qfextension[type], (u_long)id, tag);
if (!qflag && tag[0] == '\0') {
printf("%15s%8s %7s%8s%8s%8s %7s%8s%8s\n"
printf("%12s%9s %8s%9s%8s%8s %7s%8s%8s\n"
, "Filesystem"
, "blocks"
, "quota"

17
usr.sbin/edquota/edquota.c
View File

@ -44,7 +44,7 @@ __COPYRIGHT("@(#) Copyright (c) 1980, 1990, 1993\n\
#if 0
static char sccsid[] = "from: @(#)edquota.c 8.3 (Berkeley) 4/27/95";
#else
__RCSID("$NetBSD: edquota.c,v 1.18 1999/08/16 03:12:31 simonb Exp $");
__RCSID("$NetBSD: edquota.c,v 1.19 1999/12/16 17:29:53 bouyer Exp $");
#endif
#endif /* not lint */
@ -405,9 +405,9 @@ writeprivs(quplist, outfd, name, quotatype)
for (qup = quplist; qup; qup = qup->next) {
fprintf(fd, "%s: %s %d, limits (soft = %d, hard = %d)\n",
qup->fsname, "blocks in use:",
dbtob(qup->dqblk.dqb_curblocks) / 1024,
dbtob(qup->dqblk.dqb_bsoftlimit) / 1024,
dbtob(qup->dqblk.dqb_bhardlimit) / 1024);
(int)(dbtob((u_quad_t)qup->dqblk.dqb_curblocks) / 1024),
(int)(dbtob((u_quad_t)qup->dqblk.dqb_bsoftlimit) / 1024),
(int)(dbtob((u_quad_t)qup->dqblk.dqb_bhardlimit) / 1024));
fprintf(fd, "%s %d, limits (soft = %d, hard = %d)\n",
"\tinodes in use:", qup->dqblk.dqb_curinodes,
qup->dqblk.dqb_isoftlimit, qup->dqblk.dqb_ihardlimit);
@ -460,9 +460,12 @@ readprivs(quplist, infd)
warnx("%s:%s: bad format", fsp, cp);
return (0);
}
dqblk.dqb_curblocks = btodb(dqblk.dqb_curblocks * 1024);
dqblk.dqb_bsoftlimit = btodb(dqblk.dqb_bsoftlimit * 1024);
dqblk.dqb_bhardlimit = btodb(dqblk.dqb_bhardlimit * 1024);
dqblk.dqb_curblocks = btodb((u_quad_t)
dqblk.dqb_curblocks * 1024);
dqblk.dqb_bsoftlimit = btodb((u_quad_t)
dqblk.dqb_bsoftlimit * 1024);
dqblk.dqb_bhardlimit = btodb((u_quad_t)
dqblk.dqb_bhardlimit * 1024);
if ((cp = strtok(line2, "\n")) == NULL) {
warnx("%s: %s: bad format", fsp, line2);
return (0);