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author | rwatson <rwatson@FreeBSD.org> | 2003-08-21 14:34:54 +0000 |
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committer | rwatson <rwatson@FreeBSD.org> | 2003-08-21 14:34:54 +0000 |
commit | 15931b828562c66c2854a8381c3e03b9a5c609b2 (patch) | |
tree | 22a58e2b67918a8a00405af6adc906a4312d0bdf /sys/security/mac_biba | |
parent | d11ff12dc05a90cc3492b6384c85f94f3d4fced1 (diff) | |
download | FreeBSD-src-15931b828562c66c2854a8381c3e03b9a5c609b2.zip FreeBSD-src-15931b828562c66c2854a8381c3e03b9a5c609b2.tar.gz |
Implementations of mpo_check_vnode_deleteextattr() and
mpo_check_vnode_listextattr() for Biba, MLS, and BSD Extended.
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.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sys/security/mac_biba/mac_biba.c b/sys/security/mac_biba/mac_biba.c index afd5c7a..a784ed7 100644 --- a/sys/security/mac_biba/mac_biba.c +++ b/sys/security/mac_biba/mac_biba.c @@ -2071,6 +2071,24 @@ mac_biba_check_vnode_deleteacl(struct ucred *cred, struct vnode *vp, } static int +mac_biba_check_vnode_deleteextattr(struct ucred *cred, struct vnode *vp, + struct label *label, int attrnamespace, const char *name) +{ + struct mac_biba *subj, *obj; + + if (!mac_biba_enabled) + return (0); + + subj = SLOT(&cred->cr_label); + obj = SLOT(label); + + if (!mac_biba_dominate_single(subj, obj)) + return (EACCES); + + return (0); +} + +static int mac_biba_check_vnode_exec(struct ucred *cred, struct vnode *vp, struct label *label, struct image_params *imgp, struct label *execlabel) @@ -2163,6 +2181,24 @@ mac_biba_check_vnode_link(struct ucred *cred, struct vnode *dvp, } static int +mac_biba_check_vnode_listextattr(struct ucred *cred, struct vnode *vp, + struct label *label, int attrnamespace) +{ + struct mac_biba *subj, *obj; + + if (!mac_biba_enabled) + return (0); + + subj = SLOT(&cred->cr_label); + obj = SLOT(label); + + if (!mac_biba_dominate_single(obj, subj)) + return (EACCES); + + return (0); +} + +static int mac_biba_check_vnode_lookup(struct ucred *cred, struct vnode *dvp, struct label *dlabel, struct componentname *cnp) { @@ -2683,10 +2719,12 @@ static struct mac_policy_ops mac_biba_ops = .mpo_check_vnode_create = mac_biba_check_vnode_create, .mpo_check_vnode_delete = mac_biba_check_vnode_delete, .mpo_check_vnode_deleteacl = mac_biba_check_vnode_deleteacl, + .mpo_check_vnode_deleteextattr = mac_biba_check_vnode_deleteextattr, .mpo_check_vnode_exec = mac_biba_check_vnode_exec, .mpo_check_vnode_getacl = mac_biba_check_vnode_getacl, .mpo_check_vnode_getextattr = mac_biba_check_vnode_getextattr, .mpo_check_vnode_link = mac_biba_check_vnode_link, + .mpo_check_vnode_listextattr = mac_biba_check_vnode_listextattr, .mpo_check_vnode_lookup = mac_biba_check_vnode_lookup, .mpo_check_vnode_mmap = mac_biba_check_vnode_mmap, .mpo_check_vnode_mprotect = mac_biba_check_vnode_mmap, |