From a405c8a665bf7d96880c97bcb783cf84d04e3e76 Mon Sep 17 00:00:00 2001
From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Fri, 17 Dec 2010 15:21:18 -0800
Subject: [PATCH] ACL related changes

A small collection of ACL related changes related to not
supporting fuid mapping.  This whole are will need to be
closely investigated.
---
 include/sys/zfs_fuid.h |  2 --
 module/zfs/zfs_acl.c   | 10 +++++++---
 module/zfs/zfs_fuid.c  | 22 ++++++++++++++++++++--
 3 files changed, 27 insertions(+), 7 deletions(-)

diff --git a/include/sys/zfs_fuid.h b/include/sys/zfs_fuid.h
index d2989c8522f8..91650a22d847 100644
--- a/include/sys/zfs_fuid.h
+++ b/include/sys/zfs_fuid.h
@@ -99,7 +99,6 @@ typedef struct zfs_fuid_info {
 } zfs_fuid_info_t;
 
 #ifdef _KERNEL
-#ifdef HAVE_ZPL
 struct znode;
 extern uid_t zfs_fuid_map_id(zfsvfs_t *, uint64_t, cred_t *, zfs_fuid_type_t);
 extern void zfs_fuid_node_add(zfs_fuid_info_t **, const char *, uint32_t,
@@ -119,7 +118,6 @@ extern int zfs_fuid_find_by_domain(zfsvfs_t *, const char *domain,
     char **retdomain, boolean_t addok);
 extern const char *zfs_fuid_find_by_idx(zfsvfs_t *zfsvfs, uint32_t idx);
 extern void zfs_fuid_txhold(zfsvfs_t *zfsvfs, dmu_tx_t *tx);
-#endif /* HAVE_ZPL */
 #endif
 
 char *zfs_fuid_idx_domain(avl_tree_t *, uint32_t);
diff --git a/module/zfs/zfs_acl.c b/module/zfs/zfs_acl.c
index ea209ba52964..45ec20647e56 100644
--- a/module/zfs/zfs_acl.c
+++ b/module/zfs/zfs_acl.c
@@ -22,7 +22,6 @@
  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  */
 
-#ifdef HAVE_ZPL
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -1726,7 +1725,9 @@ zfs_acl_ids_create(znode_t *dzp, int flag, vattr_t *vap, cred_t *cr,
 	int		error;
 	zfsvfs_t	*zfsvfs = dzp->z_zfsvfs;
 	zfs_acl_t	*paclp;
+#ifdef HAVE_KSID
 	gid_t		gid;
+#endif /* HAVE_KSID */
 	boolean_t	need_chmod = B_TRUE;
 	boolean_t	inherited = B_FALSE;
 
@@ -1737,6 +1738,10 @@ zfs_acl_ids_create(znode_t *dzp, int flag, vattr_t *vap, cred_t *cr,
 		if ((error = zfs_vsec_2_aclp(zfsvfs, vap->va_type, vsecp, cr,
 		    &acl_ids->z_fuidp, &acl_ids->z_aclp)) != 0)
 			return (error);
+
+	acl_ids->z_fuid = vap->va_uid;
+	acl_ids->z_fgid = vap->va_gid;
+#ifdef HAVE_KSID
 	/*
 	 * Determine uid and gid.
 	 */
@@ -1790,6 +1795,7 @@ zfs_acl_ids_create(znode_t *dzp, int flag, vattr_t *vap, cred_t *cr,
 			}
 		}
 	}
+#endif /* HAVE_KSID */
 
 	/*
 	 * If we're creating a directory, and the parent directory has the
@@ -2793,5 +2799,3 @@ zfs_zaccess_rename(znode_t *sdzp, znode_t *szp, znode_t *tdzp,
 
 	return (error);
 }
-
-#endif /* HAVE_ZPL */
diff --git a/module/zfs/zfs_fuid.c b/module/zfs/zfs_fuid.c
index 97fceea00b8f..a5741185a960 100644
--- a/module/zfs/zfs_fuid.c
+++ b/module/zfs/zfs_fuid.c
@@ -192,7 +192,6 @@ zfs_fuid_idx_domain(avl_tree_t *idx_tree, uint32_t idx)
 }
 
 #ifdef _KERNEL
-#ifdef HAVE_ZPL
 /*
  * Load the fuid table(s) into memory.
  */
@@ -397,6 +396,7 @@ uid_t
 zfs_fuid_map_id(zfsvfs_t *zfsvfs, uint64_t fuid,
     cred_t *cr, zfs_fuid_type_t type)
 {
+#ifdef HAVE_KSID
 	uint32_t index = FUID_INDEX(fuid);
 	const char *domain;
 	uid_t id;
@@ -415,6 +415,12 @@ zfs_fuid_map_id(zfsvfs_t *zfsvfs, uint64_t fuid,
 		    FUID_RID(fuid), &id);
 	}
 	return (id);
+#else
+	if(type == ZFS_OWNER || type == ZFS_ACE_USER)
+		return (crgetuid(cr));
+	else
+		return (crgetgid(cr));
+#endif /* HAVE_KSID */
 }
 
 /*
@@ -483,6 +489,7 @@ zfs_fuid_node_add(zfs_fuid_info_t **fuidpp, const char *domain, uint32_t rid,
 	}
 }
 
+#ifdef HAVE_KSID
 /*
  * Create a file system FUID, based on information in the users cred
  *
@@ -535,6 +542,7 @@ zfs_fuid_create_cred(zfsvfs_t *zfsvfs, zfs_fuid_type_t type,
 
 	return (FUID_ENCODE(idx, rid));
 }
+#endif /* HAVE_KSID */
 
 /*
  * Create a file system FUID for an ACL ace
@@ -552,6 +560,7 @@ uint64_t
 zfs_fuid_create(zfsvfs_t *zfsvfs, uint64_t id, cred_t *cr,
     zfs_fuid_type_t type, zfs_fuid_info_t **fuidpp)
 {
+#ifdef HAVE_KSID
 	const char *domain;
 	char *kdomain;
 	uint32_t fuid_idx = FUID_INDEX(id);
@@ -630,6 +639,12 @@ zfs_fuid_create(zfsvfs_t *zfsvfs, uint64_t id, cred_t *cr,
 		kmem_free(zfuid, sizeof (zfs_fuid_t));
 	}
 	return (FUID_ENCODE(idx, rid));
+#else
+	if (type == ZFS_OWNER)
+		return crgetuid(cr);
+	else
+		return crgetgid(cr);
+#endif
 }
 
 void
@@ -697,6 +712,7 @@ zfs_fuid_info_free(zfs_fuid_info_t *fuidp)
 boolean_t
 zfs_groupmember(zfsvfs_t *zfsvfs, uint64_t id, cred_t *cr)
 {
+#ifdef HAVE_KSID
 	ksid_t		*ksid = crgetsid(cr, KSID_GROUP);
 	ksidlist_t	*ksidlist = crgetsidlist(cr);
 	uid_t		gid;
@@ -738,6 +754,9 @@ zfs_groupmember(zfsvfs_t *zfsvfs, uint64_t id, cred_t *cr)
 	 */
 	gid = zfs_fuid_map_id(zfsvfs, id, cr, ZFS_GROUP);
 	return (groupmember(gid, cr));
+#else
+	return (B_TRUE);
+#endif
 }
 
 void
@@ -754,5 +773,4 @@ zfs_fuid_txhold(zfsvfs_t *zfsvfs, dmu_tx_t *tx)
 		    FUID_SIZE_ESTIMATE(zfsvfs));
 	}
 }
-#endif /* HAVE_ZPL */
 #endif