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Namespace protection against MAXUID etc.

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This commit is contained in:
christos 1998-11-03 15:14:40 +00:00
parent 4401599ff3
commit e091e64548
1 changed files with 13 additions and 12 deletions
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25
usr.sbin/mtree/create.c
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@ -1,4 +1,4 @@
/* $NetBSD: create.c,v 1.18 1998/10/10 07:50:28 mrg Exp $ */
/* $NetBSD: create.c,v 1.19 1998/11/03 15:14:40 christos Exp $ */
/*-
* Copyright (c) 1989, 1993
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)create.c 8.1 (Berkeley) 6/6/93";
#else
__RCSID("$NetBSD: create.c,v 1.18 1998/10/10 07:50:28 mrg Exp $");
__RCSID("$NetBSD: create.c,v 1.19 1998/11/03 15:14:40 christos Exp $");
#endif
#endif /* not lint */
@ -190,11 +190,11 @@ statf(p)
(void)putchar('\n');
}
#define MAXGID 5000
#define MAXUID 5000
#define MAXMODE MBITS + 1
#define MAXFLAGS 256
#define MAXS 16
#define MTREE_MAXGID 5000
#define MTREE_MAXUID 5000
#define MTREE_MAXMODE MBITS + 1
#define MTREE_MAXFLAGS 256
#define MTREE_MAXS 16
static int
statd(t, parent, puid, pgid, pmode, pflags)
@ -217,7 +217,8 @@ statd(t, parent, puid, pgid, pmode, pflags)
mode_t savemode;
u_long saveflags;
u_short maxgid, maxuid, maxmode, maxflags;
u_short g[MAXGID], u[MAXUID], m[MAXMODE], f[MAXFLAGS];
u_short g[MTREE_MAXGID], u[MTREE_MAXUID],
m[MTREE_MAXMODE], f[MTREE_MAXFLAGS];
savegid = 0;
saveuid = 0;
@ -237,17 +238,17 @@ statd(t, parent, puid, pgid, pmode, pflags)
maxuid = maxgid = maxmode = maxflags = 0;
for (; p; p = p->fts_link) {
smode = p->fts_statp->st_mode & MBITS;
if (smode < MAXMODE && ++m[smode] > maxmode) {
if (smode < MTREE_MAXMODE && ++m[smode] > maxmode) {
savemode = smode;
maxmode = m[smode];
}
sgid = p->fts_statp->st_gid;
if (sgid < MAXGID && ++g[sgid] > maxgid) {
if (sgid < MTREE_MAXGID && ++g[sgid] > maxgid) {
savegid = sgid;
maxgid = g[sgid];
}
suid = p->fts_statp->st_uid;
if (suid < MAXUID && ++u[suid] > maxuid) {
if (suid < MTREE_MAXUID && ++u[suid] > maxuid) {
saveuid = suid;
maxuid = u[suid];
}
@ -259,7 +260,7 @@ statd(t, parent, puid, pgid, pmode, pflags)
#define FLAGS2IDX(f) ((f & 0xf) | ((f >> 12) & 0xf0))
sflags = p->fts_statp->st_flags;
if (FLAGS2IDX(sflags) < MAXFLAGS &&
if (FLAGS2IDX(sflags) < MTREE_MAXFLAGS &&
++f[FLAGS2IDX(sflags)] > maxflags) {
saveflags = sflags;
maxflags = u[FLAGS2IDX(sflags)];