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Introduce a sysctl to enable/disable if non-root users can mount filesystems.

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This commit is contained in:
fvdl 2000-02-16 11:57:45 +00:00
parent c59358ebde
commit c13f6dd258
2 changed files with 10 additions and 2 deletions
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6
sys/kern/vfs_subr.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vfs_subr.c,v 1.116 1999/12/15 07:10:32 perseant Exp $ */
/* $NetBSD: vfs_subr.c,v 1.117 2000/02/16 11:57:45 fvdl Exp $ */
/*-
* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
@ -124,6 +124,8 @@ int vttoif_tab[9] = {
int doforce = 1; /* 1 => permit forcible unmounting */
int prtactive = 0; /* 1 => print out reclaim of active vnodes */
extern int dovfsusermount; /* 1 => permit any user to mount filesystems */
/*
* Insq/Remq for the vnode usage lists.
*/
@ -1753,6 +1755,8 @@ vfs_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
/* The rest are generic vfs sysctls. */
switch (name[1]) {
case VFS_USERMOUNT:
return sysctl_int(oldp, oldlenp, newp, newlen, &dovfsusermount);
#if defined(COMPAT_09) || defined(COMPAT_43) || defined(COMPAT_44)
case VFS_MAXTYPENUM:
/*

6
sys/kern/vfs_syscalls.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: vfs_syscalls.c,v 1.149 2000/02/01 01:24:38 assar Exp $ */
/* $NetBSD: vfs_syscalls.c,v 1.150 2000/02/16 11:57:46 fvdl Exp $ */
/*
* Copyright (c) 1989, 1993
@ -78,6 +78,8 @@ static int rename_files __P((const char *, const char *, struct proc *, int));
void checkdirs __P((struct vnode *));
int dounmount __P((struct mount *, int, struct proc *));
int dovfsusermount = 0;
/*
* Virtual File System System Calls
*/
@ -140,6 +142,8 @@ sys_mount(p, v, retval)
struct nameidata nd;
struct vfsops *vfs;
if (dovfsusermount == 0 && (error = suser(p->p_ucred, &p->p_acflag)))
return (error);
/*
* Get vnode to be covered
*/