PSARC/2007/218 caller_context_t in all VOPs

PSARC/2007/227 VFS Feature Registration and ACL on Create
PSARC/2007/244 ZFS Case-insensitive support
PSARC/2007/315 Extensible Attribute Interfaces
PSARC/2007/394 ls(1) new command line options '-/' and '-%': CIFS system attributes support
PSARC/2007/403 Modified Access Checks for CIFS
PSARC/2007/410 Add system attribute support to chmod(1)
PSARC/2007/432 CIFS system attributes support for cp(1), pack(1), unpack(1), compress(1) and uncompress(1)
PSARC/2007/444 Rescind SETTABLE Attribute
PSARC/2007/459 CIFS system attributes support for cpio(1), pax(1), tar(1)
PSARC/2007/546 Update utilities to match CIFS system attributes changes.
PSARC/2007/560 ZFS sharesmb property
4890717 want append-only files
6417428 Case-insensitive file system name lookup to support CIFS
6417435 DOS attributes and additional timestamps to support for CIFS
6417442 File system quarantined and modified attributes to support an integrated Anti-Virus service
6417453 FS boolean property for rejecting/allowing invalid UTF-8 sequences in file names
6473733 RFE: Need support for open-deny modes
6473755 RFE:  Need ability to reconcile oplock and delegation conflicts
6494624 sharemgr needs to support CIFS shares better
6546705 All vnode operations need to pass caller_context_t
6546706 Need VOP_SETATTR/VOP_GETATTR to support new, optional attributes
6546893 Solaris system attribute support
6550962 ZFS ACL inheritance needs to be enhanced to support Automatic Inheritance
6553589 RFE: VFS Feature Registration facility
6553770 RFE: ZFS support for ACL-on-CREATE (PSARC 2007/227)
6565581 ls(1) should support file system attributes proposed in PSARC/2007/315
6566784 NTFS streams are not copied along with the files.
6576205 cp(1), pack(1) and compress(1) should support file system attributes proposed in PSARC/2007/315
6578875 RFE: kernel interfaces for nbmand need improvement
6578883 RFE: VOP_SHRLOCK needs additional access types
6578885 chmod(1) should support file system attributes proposed in PSARC/2007/315
6578886 RFE: disallow nbmand state to change on remount
6583349 ACL parser needs to support audit/alarm ACE types
6590347 tar(1) should support filesystem attributes proposed in PSARC/2007/315
6597357 *tar* xv@ doesn't show the hidden directory even though it is restored
6597360 *tar* should re-init xattr info if openat() fails during extraction of and extended attribute
6597368 *tar* cannot restore hard linked extended attributes
6597374 *tar* doesn't display "x " when hard linked attributes are restored
6597375 *tar* extended attribute header off by one
6614861 *cpio* incorrectly archives extended system attributes with -@
6614896 *pax* incorrectly archives extended system attributes with -@
6615225 *tar* incorrectly archives extended system attributes with -@
6617183 CIFS Service - PSARC 2006/715

10 files changed, 323 insertions, 5 deletions

diff --git a/usr/src/lib/libc/Makefile.targ b/usr/src/lib/libc/Makefile.targ
index b8237246a4..95a0a3b0e3 100644
--- a/usr/src/lib/libc/Makefile.targ
+++ b/usr/src/lib/libc/Makefile.targ
@@ -272,6 +272,10 @@ $(COMOBJS:%=pics/%): $(SRC)/common/util/$$(@F:.o=.c)
 	$(COMPILE.c) -o $@ $(SRC)/common/util/$(@F:.o=.c)
 	$(POST_PROCESS_O)
 
+$(XATTROBJS:%=pics/%): $(SRC)/common/xattr/$$(@F:.o=.c)
+	$(COMPILE.c) -o $@ $(SRC)/common/xattr/$(@F:.o=.c)
+	$(POST_PROCESS_O)
+
 $(DTRACEOBJS:%=pics/%): $(SRC)/common/dtrace/$$(@F:.o=.c)
 	$(COMPILE.c) -o $@ $(SRC)/common/dtrace/$(@F:.o=.c)
 	$(POST_PROCESS_O)
diff --git a/usr/src/lib/libc/amd64/Makefile b/usr/src/lib/libc/amd64/Makefile
index 0e2d924805..0539645b34 100644
--- a/usr/src/lib/libc/amd64/Makefile
+++ b/usr/src/lib/libc/amd64/Makefile
@@ -85,6 +85,8 @@ FPASMOBJS=			\
 ATOMICOBJS=			\
 	atomic.o
 
+XATTROBJS=			\
+	xattr_common.o
 COMOBJS=			\
 	bcmp.o			\
 	bcopy.o			\
@@ -99,6 +101,7 @@ GENOBJS=			\
 	_getsp.o		\
 	abs.o			\
 	alloca.o		\
+	attrat.o		\
 	byteorder.o		\
 	cache.o			\
 	cuexit.o		\
@@ -849,6 +852,7 @@ MOSTOBJS=			\
 	$(I386FPOBJS)		\
 	$(FPASMOBJS)		\
 	$(ATOMICOBJS)		\
+	$(XATTROBJS)		\
 	$(COMOBJS)		\
 	$(GENOBJS)		\
 	$(PORTFP)		\
@@ -966,6 +970,7 @@ CLOBBERFILES +=	$(LIB_PIC)
 # list of C source for lint
 SRCS=							\
 	$(ATOMICOBJS:%.o=$(SRC)/common/atomic/%.c)	\
+	$(XATTROBJS:%.o=$(SRC)/common/xattr/%.c)	\
 	$(COMOBJS:%.o=$(SRC)/common/util/%.c)		\
 	$(PORTFP:%.o=../port/fp/%.c)			\
 	$(PORTGEN:%.o=../port/gen/%.c)			\
diff --git a/usr/src/lib/libc/i386/Makefile.com b/usr/src/lib/libc/i386/Makefile.com
index 6fe1a1c5cc..5fb4ffea84 100644
--- a/usr/src/lib/libc/i386/Makefile.com
+++ b/usr/src/lib/libc/i386/Makefile.com
@@ -83,6 +83,9 @@ FPASMOBJS=			\
 ATOMICOBJS=			\
 	atomic.o
 
+XATTROBJS=			\
+	xattr_common.o
+
 COMOBJS=			\
 	bcmp.o			\
 	bcopy.o			\
@@ -389,6 +392,7 @@ PORTGEN=			\
 	atoi.o			\
 	atol.o			\
 	atoll.o			\
+	attrat.o		\
 	attropen.o		\
 	atexit.o		\
 	atfork.o		\
@@ -884,6 +888,7 @@ MOSTOBJS=			\
 	$(FPOBJS)		\
 	$(FPASMOBJS)		\
 	$(ATOMICOBJS)		\
+	$(XATTROBJS)		\
 	$(COMOBJS)		\
 	$(DTRACEOBJS)		\
 	$(GENOBJS)		\
@@ -1026,6 +1031,7 @@ CLOBBERFILES +=	$(LIB_PIC)
 # list of C source for lint
 SRCS=							\
 	$(ATOMICOBJS:%.o=$(SRC)/common/atomic/%.c)	\
+	$(XATTROBJS:%.o=$(SRC)/common/xattr/%.c)	\
 	$(COMOBJS:%.o=$(SRC)/common/util/%.c)		\
 	$(DTRACEOBJS:%.o=$(SRC)/common/dtrace/%.c)	\
 	$(PORTFP:%.o=../port/fp/%.c)			\
diff --git a/usr/src/lib/libc/port/gen/attrat.c b/usr/src/lib/libc/port/gen/attrat.c
new file mode 100644
index 0000000000..f2a26d17cd
--- /dev/null
+++ b/usr/src/lib/libc/port/gen/attrat.c
@@ -0,0 +1,273 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include "synonyms.h"
+#include <string.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <mtlib.h>
+#include <attr.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+#include <sys/stat.h>
+#include <sys/filio.h>
+#include <unistd.h>
+#include <dlfcn.h>
+#include <stdio.h>
+
+static int (*nvpacker)(nvlist_t *, char **, size_t *, int, int);
+static int (*nvsize)(nvlist_t *, size_t *, int);
+static int (*nvunpacker)(char *, size_t, nvlist_t **);
+static mutex_t attrlock = DEFAULTMUTEX;
+static int initialized;
+extern int __openattrdirat(int basefd, const char *name);
+
+static char *xattr_view_name[XATTR_VIEW_LAST] = {
+	VIEW_READONLY,
+	VIEW_READWRITE
+};
+
+static int
+attrat_init()
+{
+	if (initialized == 0) {
+		lmutex_lock(&attrlock);
+		if (initialized == 1) {
+			lmutex_unlock(&attrlock);
+			return (0);
+		}
+
+		void *libnvhandle = dlopen("libnvpair.so.1", RTLD_LAZY);
+		if (libnvhandle == NULL || (nvpacker = (int (*)(nvlist_t *,
+		    char **, size_t *, int, int)) dlsym(libnvhandle,
+		    "nvlist_pack")) == NULL ||
+		    (nvsize = (int (*)(nvlist_t *,
+		    size_t *, int)) dlsym(libnvhandle,
+		    "nvlist_size")) == NULL ||
+		    (nvunpacker = (int (*)(char *, size_t,
+		    nvlist_t **)) dlsym(libnvhandle,
+		    "nvlist_unpack")) == NULL) {
+			if (libnvhandle)
+				dlclose(libnvhandle);
+			lmutex_unlock(&attrlock);
+			return (EINVAL);
+		}
+
+		initialized = 1;
+		lmutex_unlock(&attrlock);
+	}
+	return (0);
+}
+
+static int
+attr_nv_pack(nvlist_t *request, void **nv_request, size_t *nv_requestlen)
+{
+	size_t bufsize;
+	char *packbuf = NULL;
+
+	if (nvsize(request, &bufsize, NV_ENCODE_XDR) != 0) {
+		return (EINVAL);
+	}
+
+	packbuf = malloc(bufsize);
+	if (packbuf == NULL)
+		return (EINVAL);
+	if (nvpacker(request, &packbuf, &bufsize, NV_ENCODE_XDR, 0) != 0) {
+		free(packbuf);
+	} else {
+		*nv_request = (void *)packbuf;
+		*nv_requestlen = bufsize;
+	}
+	return (0);
+}
+
+static const char *
+view_to_name(xattr_view_t view)
+{
+	if (view >= XATTR_VIEW_LAST || view < 0)
+		return (NULL);
+	return (xattr_view_name[view]);
+}
+
+static int
+xattr_openat(int basefd, xattr_view_t view, int mode)
+{
+	const char *xattrname;
+	int xattrfd;
+	int oflag;
+
+	switch (view) {
+	case XATTR_VIEW_READONLY:
+		oflag = O_RDONLY;
+		break;
+	case XATTR_VIEW_READWRITE:
+		oflag = mode & O_RDWR;
+		break;
+	default:
+		(void) __set_errno(EINVAL);
+		return (-1);
+	}
+	if (mode & O_XATTR)
+		oflag |= O_XATTR;
+
+	xattrname = view_to_name(view);
+	xattrfd = openat(basefd, xattrname, oflag);
+	if (xattrfd < 0)
+		return (xattrfd);
+	/* Don't cache sysattr info (advisory) */
+	(void) directio(xattrfd, DIRECTIO_ON);
+	return (xattrfd);
+}
+
+static int
+cgetattr(int fd, nvlist_t **response)
+{
+	int error;
+	int bytesread;
+	void *nv_response;
+	size_t nv_responselen;
+	struct stat buf;
+
+	if (error = attrat_init())
+		return (__set_errno(error));
+	if ((error = fstat(fd, &buf)) != 0)
+		return (__set_errno(error));
+	nv_responselen = buf.st_size;
+
+	if ((nv_response = malloc(nv_responselen)) == NULL)
+		return (__set_errno(ENOMEM));
+	bytesread = read(fd, nv_response, nv_responselen);
+	if (bytesread != nv_responselen)
+		return (__set_errno(EFAULT));
+
+	error = nvunpacker(nv_response, nv_responselen, response);
+	free(nv_response);
+	return (error);
+}
+
+static int
+csetattr(int fd, nvlist_t *request)
+{
+	int error, saveerrno;
+	int byteswritten;
+	void *nv_request;
+	size_t nv_requestlen;
+
+	if (error = attrat_init())
+		return (__set_errno(error));
+
+	if ((error = attr_nv_pack(request, &nv_request, &nv_requestlen)) != 0)
+		return (__set_errno(error));
+
+	(void) __set_errno(0);
+	byteswritten = write(fd, nv_request, nv_requestlen);
+	if (byteswritten != nv_requestlen) {
+		saveerrno = errno;
+		free(nv_request);
+		errno = saveerrno;
+		return (__set_errno(errno));
+	}
+
+	free(nv_request);
+	return (0);
+}
+
+int
+fgetattr(int basefd, xattr_view_t view, nvlist_t **response)
+{
+	int error, saveerrno, xattrfd;
+
+	if ((xattrfd = xattr_openat(basefd, view, O_XATTR)) < 0)
+		return (xattrfd);
+
+	error = cgetattr(xattrfd, response);
+	saveerrno = errno;
+	(void) close(xattrfd);
+	errno = saveerrno;
+	return (error);
+}
+
+int
+fsetattr(int basefd, xattr_view_t view, nvlist_t *request)
+{
+	int error, saveerrno, xattrfd;
+
+	if ((xattrfd = xattr_openat(basefd, view, O_RDWR | O_XATTR)) < 0)
+		return (xattrfd);
+	error = csetattr(xattrfd, request);
+	saveerrno = errno;
+	(void) close(xattrfd);
+	errno = saveerrno;
+	return (error);
+}
+
+int
+getattrat(int basefd, xattr_view_t view, const char *name, nvlist_t **response)
+{
+	int error, saveerrno, namefd, xattrfd;
+
+	if ((namefd = __openattrdirat(basefd, name)) < 0)
+		return (namefd);
+
+	if ((xattrfd = xattr_openat(namefd, view, 0)) < 0) {
+		saveerrno = errno;
+		(void) close(namefd);
+		errno = saveerrno;
+		return (xattrfd);
+	}
+
+	error = cgetattr(xattrfd, response);
+	saveerrno = errno;
+	(void) close(namefd);
+	(void) close(xattrfd);
+	errno = saveerrno;
+	return (error);
+}
+
+int
+setattrat(int basefd, xattr_view_t view, const char *name, nvlist_t *request)
+{
+	int error, saveerrno, namefd, xattrfd;
+
+	if ((namefd = __openattrdirat(basefd, name)) < 0)
+		return (namefd);
+
+	if ((xattrfd = xattr_openat(namefd, view, O_RDWR)) < 0) {
+		saveerrno = errno;
+		(void) close(namefd);
+		errno = saveerrno;
+		return (xattrfd);
+	}
+
+	error = csetattr(xattrfd, request);
+	saveerrno = errno;
+	(void) close(namefd);
+	(void) close(xattrfd);
+	errno = saveerrno;
+	return (error);
+}
diff --git a/usr/src/lib/libc/port/gen/privlib.c b/usr/src/lib/libc/port/gen/privlib.c
index 1968f7eaa4..57218876bc 100644
--- a/usr/src/lib/libc/port/gen/privlib.c
+++ b/usr/src/lib/libc/port/gen/privlib.c
@@ -442,7 +442,7 @@ priv_set(priv_op_t op, priv_ptype_t setname, ...)
 
 /*
  * priv_ineffect(privilege).
- * tests the existance of a privilege against the effective set.
+ * tests the existence of a privilege against the effective set.
  */
 boolean_t
 priv_ineffect(const char *priv)
diff --git a/usr/src/lib/libc/port/llib-lc b/usr/src/lib/libc/port/llib-lc
index 3e3bba59ca..e74313a424 100644
--- a/usr/src/lib/libc/port/llib-lc
+++ b/usr/src/lib/libc/port/llib-lc
@@ -31,6 +31,7 @@
 
 #include <aio.h>
 #include <alloca.h>
+#include <attr.h>
 #include <atomic.h>
 #include <ctype.h>
 #include <deflt.h>
diff --git a/usr/src/lib/libc/port/mapfile-vers b/usr/src/lib/libc/port/mapfile-vers
index 3e658f68e6..717c4d9186 100644
--- a/usr/src/lib/libc/port/mapfile-vers
+++ b/usr/src/lib/libc/port/mapfile-vers
@@ -64,8 +64,11 @@ SUNW_1.23 {		# SunOS 5.11 (Solaris 11)
 	err;
 	errx;
 	fdatasync;
+	fgetattr;
 	forkallx;
 	forkx;
+	fsetattr;
+	getattrat;
 	htonl;
 	htons;
 	lio_listio;
@@ -111,6 +114,7 @@ SUNW_1.23 {		# SunOS 5.11 (Solaris 11)
 	sem_trywait;
 	sem_unlink;
 	sem_wait;
+	setattrat;
 	_sharefs;
 	shm_open;
 	shm_unlink;
@@ -1408,6 +1412,11 @@ SUNWprivate_1.1 {
 	_atomic_swap_uint =		NODYNSORT;
 	_atomic_swap_ulong =		NODYNSORT;
 	_atomic_swap_ushort =		NODYNSORT;
+	attr_count;
+	attr_to_data_type;
+	attr_to_name;
+	attr_to_option;
+	attr_to_xattr_view;	
 	_autofssys;
 	_brk;
 	__btowc_dense;
@@ -1762,6 +1771,7 @@ SUNWprivate_1.1 {
 	__mutex_trylock;
 	_mutex_unlock =			NODYNSORT;
 	__mutex_unlock;
+	name_to_attr;
 	_nanosleep;
 	__nan_read;
 	__nan_written;
@@ -1807,6 +1817,8 @@ SUNWprivate_1.1 {
 	__nsw_getconfig_v1;
 	__nthreads;
 	__numeric_init;
+	__openattrdirat;
+	option_to_attr;
 	_openlog;
 	_plock;
 	_port_alert;
diff --git a/usr/src/lib/libc/port/sys/fsmisc.c b/usr/src/lib/libc/port/sys/fsmisc.c
index 88415c5363..491cc73732 100644
--- a/usr/src/lib/libc/port/sys/fsmisc.c
+++ b/usr/src/lib/libc/port/sys/fsmisc.c
@@ -2,9 +2,8 @@
  * CDDL HEADER START
  *
  * The contents of this file are subject to the terms of the
- * Common Development and Distribution License, Version 1.0 only
- * (the "License").  You may not use this file except in compliance
- * with the License.
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
  *
  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
  * or http://www.opensolaris.org/os/licensing.
@@ -20,7 +19,7 @@
  * CDDL HEADER END
  */
 /*
- * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
@@ -60,3 +59,9 @@ renameat(int fromfd, const char *fromname, int tofd, const char *toname)
 {
 	return (syscall(SYS_fsat, 7, fromfd, fromname, tofd, toname));
 }
+
+int
+__openattrdirat(int fd, const char *name)
+{
+	return (syscall(SYS_fsat, 9, fd, name));
+}
diff --git a/usr/src/lib/libc/sparc/Makefile b/usr/src/lib/libc/sparc/Makefile
index c67463652b..37e0818dc6 100644
--- a/usr/src/lib/libc/sparc/Makefile
+++ b/usr/src/lib/libc/sparc/Makefile
@@ -102,6 +102,9 @@ FPASMOBJS=			\
 ATOMICOBJS=			\
 	atomic.o
 
+XATTROBJS=			\
+	xattr_common.o
+
 COMOBJS=			\
 	bcmp.o			\
 	bcopy.o			\
@@ -413,6 +416,7 @@ PORTGEN=			\
 	atoi.o			\
 	atol.o			\
 	atoll.o			\
+	attrat.o		\
 	attropen.o		\
 	atexit.o		\
 	atfork.o		\
@@ -912,6 +916,7 @@ MOSTOBJS=			\
 	$(FPOBJS)		\
 	$(FPASMOBJS)		\
 	$(ATOMICOBJS)		\
+	$(XATTROBJS)		\
 	$(COMOBJS)		\
 	$(DTRACEOBJS)		\
 	$(GENOBJS)		\
@@ -1044,6 +1049,7 @@ CLOBBERFILES +=	$(LIB_PIC)
 # list of C source for lint
 SRCS=							\
 	$(ATOMICOBJS:%.o=$(SRC)/common/atomic/%.c)	\
+	$(XATTROBJS:%.o=$(SRC)/common/xattr/%.c)	\
 	$(COMOBJS:%.o=$(SRC)/common/util/%.c)		\
 	$(DTRACEOBJS:%.o=$(SRC)/common/dtrace/%.c)	\
 	$(PORTFP:%.o=../port/fp/%.c)			\
diff --git a/usr/src/lib/libc/sparcv9/Makefile b/usr/src/lib/libc/sparcv9/Makefile
index c114126bfe..c837e39361 100644
--- a/usr/src/lib/libc/sparcv9/Makefile
+++ b/usr/src/lib/libc/sparcv9/Makefile
@@ -107,6 +107,9 @@ $(__GNUC)FPASMOBJS +=		\
 ATOMICOBJS=			\
 	atomic.o
 
+XATTROBJS=			\
+	xattr_common.o
+
 COMOBJS=			\
 	bcmp.o			\
 	bcopy.o			\
@@ -371,6 +374,7 @@ PORTGEN=			\
 	abort.o			\
 	addsev.o		\
 	assert.o		\
+	attrat.o		\
 	atof.o			\
 	atoi.o			\
 	atol.o			\
@@ -858,6 +862,7 @@ MOSTOBJS=			\
 	$(FPOBJS64)		\
 	$(FPASMOBJS)		\
 	$(ATOMICOBJS)		\
+	$(XATTROBJS)		\
 	$(COMOBJS)		\
 	$(GENOBJS)		\
 	$(PORTFP)		\
@@ -978,6 +983,7 @@ CLOBBERFILES +=	$(LIB_PIC)
 # list of C source for lint
 SRCS=							\
 	$(ATOMICOBJS:%.o=$(SRC)/common/atomic/%.c)	\
+	$(XATTROBJS:%.o=$(SRC)/common/xattr/%.c)	\
 	$(COMOBJS:%.o=$(SRC)/common/util/%.c)		\
 	$(PORTFP:%.o=../port/fp/%.c)			\
 	$(PORTGEN:%.o=../port/gen/%.c)			\