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Introduce support for Mandatory Access Control and extensible

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kernel access control.

Teach mount(8) to understand the MNT_MULTILABEL flag, which is used
to determine whether a file system operates with individual per-vnode
labels, or treats the entire file system as a single object with a
single (mount) label.  The behavior here will probably evolve some
now that nmount(2) is available and can more flexibly support mount
options.

Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, NAI Labs
This commit is contained in:
Robert Watson 2002-08-02 07:02:51 +00:00
parent b5620ce3a6
commit ba0fbe9637
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=101205
2 changed files with 5 additions and 1 deletions
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4
sbin/mount/mntopts.h
View File

@ -57,6 +57,7 @@ struct mntopt {
#define MOPT_NOCLUSTERW { "clusterw", 1, MNT_NOCLUSTERW, 0 }
#define MOPT_SUIDDIR { "suiddir", 0, MNT_SUIDDIR, 0 }
#define MOPT_SNAPSHOT { "snapshot", 0, MNT_SNAPSHOT, 0 }
#define MOPT_MULTILABEL { "multilabel", 0, MNT_MULTILABEL, 0 }
/* Control flags. */
#define MOPT_FORCE { "force", 0, MNT_FORCE, 0 }
@ -86,7 +87,8 @@ struct mntopt {
MOPT_RDONLY, \
MOPT_UNION, \
MOPT_NOCLUSTERR, \
MOPT_NOCLUSTERW
MOPT_NOCLUSTERW, \
MOPT_MULTILABEL
void getmntopts(const char *, const struct mntopt *, int *, int *);
void rmslashes(char *, char *);

2
sbin/mount/mount.c
View File

@ -107,6 +107,7 @@ static struct opt {
{ MNT_NOCLUSTERW, "noclusterw" },
{ MNT_SUIDDIR, "suiddir" },
{ MNT_SOFTDEP, "soft-updates" },
{ MNT_MULTILABEL, "multilabel" },
{ 0, NULL }
};
@ -762,6 +763,7 @@ flags2opts(flags)
if (flags & MNT_NOCLUSTERW) res = catopt(res, "noclusterw");
if (flags & MNT_NOSYMFOLLOW) res = catopt(res, "nosymfollow");
if (flags & MNT_SUIDDIR) res = catopt(res, "suiddir");
if (flags & MNT_MULTILABEL) res = catopt(res, "multilabel");
return res;
}