diff options
| -rw-r--r-- | nfs/cred.c | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -1,5 +1,5 @@ -/* NFS credential manipulation - Copyright (C) 1995 Free Software Foundation, Inc. +/* Credential manipulation for NFS client + Copyright (C) 1995, 1996 Free Software Foundation, Inc. Written by Michael I. Bushnell, p/BSG. This file is part of the GNU Hurd. @@ -23,8 +23,13 @@ #include "nfs.h" +/* This lock must always be held when manipulating the reference count + on credential structures. */ static spin_lock_t cred_refcnt_lock = SPIN_LOCK_INITIALIZER; +/* Interpret CRED, returning newly malloced storage describing the + user identification references in UIDS, NUIDS, GIDS, and NGIDS. + See <hurd/libnetfs.h> for details. */ void netfs_interpret_credential (struct netcred *cred, uid_t **uids, int *nuids, uid_t **gids, int *ngids) @@ -36,6 +41,7 @@ netfs_interpret_credential (struct netcred *cred, uid_t **uids, cred->ngids * sizeof (uid_t)); } +/* Return a new reference to CRED. See <hurd/libnetfs.h> for details. */ struct netcred * netfs_copy_credential (struct netcred *cred) { @@ -45,6 +51,7 @@ netfs_copy_credential (struct netcred *cred) return cred; } +/* Drop a reference to CRED. See <hurd/libnetfs.h> for details. */ void netfs_drop_credential (struct netcred *cred) { @@ -60,6 +67,9 @@ netfs_drop_credential (struct netcred *cred) spin_unlock (&cred_refcnt_lock); } +/* Make and return a new credential referring to the user identified + by UIDS, NUIDS, GIDS, and NGIDS. See <hurd/libnetfs.h> for + details. */ struct netcred * netfs_make_credential (uid_t *uids, int nuids, @@ -83,6 +93,7 @@ netfs_make_credential (uid_t *uids, return cred; } +/* Return nonzero iff CRED contains user id UID. */ int cred_has_uid (struct netcred *cred, uid_t uid) { @@ -93,6 +104,7 @@ cred_has_uid (struct netcred *cred, uid_t uid) return 0; } +/* Return nonzero iff CRED contains group id GID. */ int cred_has_gid (struct netcred *cred, gid_t gid) { |