New upstream version 0.7.2

[mirror_spl-debian.git] / include / sys / cred.h

diff --git a/include/sys/cred.h b/include/sys/cred.h
index 0935a19fa59d54a56a6a771af4ba10d00d085942..2ad7115e0a3b22c7d287686aee4c7e5696d98065 100644 (file)
--- a/include/sys/cred.h
+++ b/include/sys/cred.h
@@ -1,41 +1,74 @@
+/*****************************************************************************\
+ *  Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
+ *  Copyright (C) 2007 The Regents of the University of California.
+ *  Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
+ *  Written by Brian Behlendorf <behlendorf1@llnl.gov>.
+ *  UCRL-CODE-235197
+ *
+ *  This file is part of the SPL, Solaris Porting Layer.
+ *  For details, see <http://zfsonlinux.org/>.
+ *
+ *  The SPL is free software; you can redistribute it and/or modify it
+ *  under the terms of the GNU General Public License as published by the
+ *  Free Software Foundation; either version 2 of the License, or (at your
+ *  option) any later version.
+ *
+ *  The SPL is distributed in the hope that it will be useful, but WITHOUT
+ *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ *  for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with the SPL.  If not, see <http://www.gnu.org/licenses/>.
+\*****************************************************************************/
+
 #ifndef _SPL_CRED_H
 #define _SPL_CRED_H
 
-#ifdef  __cplusplus
-extern "C" {
-#endif
-
 #include <linux/module.h>
-#include <linux/types.h>
-
-/* XXX - Portions commented out because we really just want to have the type
- * defined and the contents aren't nearly so important at the moment. */
-typedef struct cred {
-        uint_t          cr_ref;         /* reference count */
-        uid_t           cr_uid;         /* effective user id */
-        gid_t           cr_gid;         /* effective group id */
-        uid_t           cr_ruid;        /* real user id */
-        gid_t           cr_rgid;        /* real group id */
-        uid_t           cr_suid;        /* "saved" user id (from exec) */
-        gid_t           cr_sgid;        /* "saved" group id (from exec) */
-        uint_t          cr_ngroups;     /* number of groups returned by */
-                                        /* crgroups() */
-#if 0
-        cred_priv_t     cr_priv;        /* privileges */
-        projid_t        cr_projid;      /* project */
-        struct zone     *cr_zone;       /* pointer to per-zone structure */
-        struct ts_label_s *cr_label;    /* pointer to the effective label */
-        credsid_t       *cr_ksid;       /* pointer to SIDs */
-#endif
-        gid_t           cr_groups[1];   /* cr_groups size not fixed */
-                                        /* audit info is defined dynamically */
-                                        /* and valid only when audit enabled */
-        /* auditinfo_addr_t     cr_auinfo;      audit info */
-} cred_t;
-
-#ifdef  __cplusplus
-}
+#include <sys/types.h>
+#include <sys/vfs.h>
+
+typedef struct cred cred_t;
+
+#define        kcred           ((cred_t *)(init_task.cred))
+#define        CRED()          ((cred_t *)current_cred())
+
+/* Linux 4.9 API change, GROUP_AT was removed */
+#ifndef GROUP_AT
+#define        GROUP_AT(gi, i) ((gi)->gid[i])
 #endif
 
-#endif  /* _SPL_CRED_H */
+#ifdef HAVE_KUIDGID_T
+
+#define        KUID_TO_SUID(x)         (__kuid_val(x))
+#define        KGID_TO_SGID(x)         (__kgid_val(x))
+#define        SUID_TO_KUID(x)         (KUIDT_INIT(x))
+#define        SGID_TO_KGID(x)         (KGIDT_INIT(x))
+#define        KGIDP_TO_SGIDP(x)       (&(x)->val)
+
+#else /* HAVE_KUIDGID_T */
+
+#define        KUID_TO_SUID(x)         (x)
+#define        KGID_TO_SGID(x)         (x)
+#define        SUID_TO_KUID(x)         (x)
+#define        SGID_TO_KGID(x)         (x)
+#define        KGIDP_TO_SGIDP(x)       (x)
 
+#endif /* HAVE_KUIDGID_T */
+
+extern void crhold(cred_t *cr);
+extern void crfree(cred_t *cr);
+extern uid_t crgetuid(const cred_t *cr);
+extern uid_t crgetruid(const cred_t *cr);
+extern uid_t crgetsuid(const cred_t *cr);
+extern uid_t crgetfsuid(const cred_t *cr);
+extern gid_t crgetgid(const cred_t *cr);
+extern gid_t crgetrgid(const cred_t *cr);
+extern gid_t crgetsgid(const cred_t *cr);
+extern gid_t crgetfsgid(const cred_t *cr);
+extern int crgetngroups(const cred_t *cr);
+extern gid_t * crgetgroups(const cred_t *cr);
+extern int groupmember(gid_t gid, const cred_t *cr);
+
+#endif  /* _SPL_CRED_H */