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authorEric W. Biederman <ebiederm@xmission.com>2013-03-20 12:49:49 -0700
committerEric W. Biederman <ebiederm@xmission.com>2013-08-30 23:44:11 -0700
commitc7b96acf1456ef127fef461fcfedb54b81fecfbb (patch)
tree1cc9387d23e96685453e545bda6d5a5efea8fa63 /net/core/scm.c
parentf54fb863c6bbcbafdfc332b4a4260abb5a002137 (diff)
userns: Kill nsown_capable it makes the wrong thing easy
nsown_capable is a special case of ns_capable essentially for just CAP_SETUID and CAP_SETGID. For the existing users it doesn't noticably simplify things and from the suggested patches I have seen it encourages people to do the wrong thing. So remove nsown_capable. Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'net/core/scm.c')
-rw-r--r--net/core/scm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/net/core/scm.c b/net/core/scm.c
index 03795d0147f2..c346f58d97c2 100644
--- a/net/core/scm.c
+++ b/net/core/scm.c
@@ -56,9 +56,9 @@ static __inline__ int scm_check_creds(struct ucred *creds)
if ((creds->pid == task_tgid_vnr(current) ||
ns_capable(current->nsproxy->pid_ns->user_ns, CAP_SYS_ADMIN)) &&
((uid_eq(uid, cred->uid) || uid_eq(uid, cred->euid) ||
- uid_eq(uid, cred->suid)) || nsown_capable(CAP_SETUID)) &&
+ uid_eq(uid, cred->suid)) || ns_capable(cred->user_ns, CAP_SETUID)) &&
((gid_eq(gid, cred->gid) || gid_eq(gid, cred->egid) ||
- gid_eq(gid, cred->sgid)) || nsown_capable(CAP_SETGID))) {
+ gid_eq(gid, cred->sgid)) || ns_capable(cred->user_ns, CAP_SETGID))) {
return 0;
}
return -EPERM;