diff options
Diffstat (limited to 'net/core/sock.c')
| -rw-r--r-- | net/core/sock.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/net/core/sock.c b/net/core/sock.c index 1e8a882..2c73adf 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -761,6 +761,20 @@ void cred_to_ucred(struct pid *pid, const struct cred *cred, } EXPORT_SYMBOL_GPL(cred_to_ucred); +void cred_real_to_ucred(struct pid *pid, const struct cred *cred, + struct ucred *ucred) +{ + ucred->pid = pid_vnr(pid); + ucred->uid = ucred->gid = -1; + if (cred) { + struct user_namespace *current_ns = current_user_ns(); + + ucred->uid = user_ns_map_uid(current_ns, cred, cred->uid); + ucred->gid = user_ns_map_gid(current_ns, cred, cred->gid); + } +} +EXPORT_SYMBOL_GPL(cred_real_to_ucred); + int sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) { |