summaryrefslogtreecommitdiffstats
path: root/sys/security/mac_biba
diff options
context:
space:
mode:
authorrwatson <rwatson@FreeBSD.org>2002-10-21 18:05:12 +0000
committerrwatson <rwatson@FreeBSD.org>2002-10-21 18:05:12 +0000
commita47467b82608677032aeb27744c4115f01ad284a (patch)
tree8c6852c4e6467d203f73080e70107b9bd585fc12 /sys/security/mac_biba
parent25b8d9a4ba7701e48768e7915b5db5e2e616a9ea (diff)
downloadFreeBSD-src-a47467b82608677032aeb27744c4115f01ad284a.zip
FreeBSD-src-a47467b82608677032aeb27744c4115f01ad284a.tar.gz
Demote sockets to single-label objects rather than maintaining a
range on them, leaving process credentials as the only kernel objects with label ranges in the Biba and MLS policies. We weren't using the range in any access control decisions, so this lets us garbage collect effectively unused code. Obtained from: TrustedBSD Project Sponsored by: DARPA, Network Associates Laboratories
Diffstat (limited to 'sys/security/mac_biba')
-rw-r--r--sys/security/mac_biba/mac_biba.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/sys/security/mac_biba/mac_biba.c b/sys/security/mac_biba/mac_biba.c
index e2a2ec3..0c3a474 100644
--- a/sys/security/mac_biba/mac_biba.c
+++ b/sys/security/mac_biba/mac_biba.c
@@ -407,19 +407,6 @@ mac_biba_copy_single(struct mac_biba *labelfrom, struct mac_biba *labelto)
labelto->mb_flags |= MAC_BIBA_FLAG_SINGLE;
}
-static void
-mac_biba_copy_single_to_range(struct mac_biba *labelfrom,
- struct mac_biba *labelto)
-{
-
- KASSERT((labelfrom->mb_flags & MAC_BIBA_FLAG_SINGLE) != 0,
- ("mac_biba_copy_single_to_range: labelfrom not single"));
-
- labelto->mb_rangelow = labelfrom->mb_single;
- labelto->mb_rangehigh = labelfrom->mb_single;
- labelto->mb_flags |= MAC_BIBA_FLAG_RANGE;
-}
-
/*
* Policy module operations.
*/
@@ -694,7 +681,6 @@ mac_biba_create_socket(struct ucred *cred, struct socket *socket,
dest = SLOT(socketlabel);
mac_biba_copy_single(source, dest);
- mac_biba_copy_single_to_range(source, dest);
}
static void
@@ -720,7 +706,6 @@ mac_biba_create_socket_from_socket(struct socket *oldsocket,
dest = SLOT(newsocketlabel);
mac_biba_copy_single(source, dest);
- mac_biba_copy_range(source, dest);
}
static void
@@ -733,7 +718,6 @@ mac_biba_relabel_socket(struct ucred *cred, struct socket *socket,
dest = SLOT(socketlabel);
mac_biba_copy_single(source, dest);
- mac_biba_copy_range(source, dest);
}
static void
OpenPOWER on IntegriCloud