4916205 libcmd should not use file operation routines from C library

6234782 Kerberos and GSSAPI should not use fopen
6259671 vold won't be killed by TERM signal when several removable devices are managed
6386770 pam_authenticate can fail if open files are >= 255 and the soft fd limit is greater than 256
6414401 Remove shadow stdio implementation obsoleted by PSARC 2006/162
6414404 __rpc_openchild never called and not exported by library
6416815 ON needs to be hardened against the 32-bit fopen/255 problem

--HG--
rename : usr/src/lib/libnsl/common/nsl_stdio_prv.c => deleted_files/usr/src/lib/libnsl/common/nsl_stdio_prv.c
rename : usr/src/lib/libnsl/include/nsl_stdio_prv.h => deleted_files/usr/src/lib/libnsl/include/nsl_stdio_prv.h
rename : usr/src/lib/libnsl/rpc/openchild.c => deleted_files/usr/src/lib/libnsl/rpc/openchild.c
rename : usr/src/lib/libnsl/rpc/xdr_stdio_prv.c => deleted_files/usr/src/lib/libnsl/rpc/xdr_stdio_prv.c
rename : usr/src/lib/libresolv2/req.flg => deleted_files/usr/src/lib/libresolv2/req.flg
rename : usr/src/lib/nsswitch/compat/req.flg => deleted_files/usr/src/lib/nsswitch/compat/req.flg
rename : usr/src/lib/nsswitch/files/req.flg => deleted_files/usr/src/lib/nsswitch/files/req.flg
rename : usr/src/lib/nsswitch/req.flg => deleted_files/usr/src/lib/nsswitch/req.flg
rename : usr/src/lib/nsswitch/user/req.flg => deleted_files/usr/src/lib/nsswitch/user/req.flg

8 files changed, 26 insertions, 396 deletions

diff --git a/usr/src/lib/libnsl/rpc/clnt_generic.c b/usr/src/lib/libnsl/rpc/clnt_generic.c
index f3507134ce..f89c1d5f75 100644
--- a/usr/src/lib/libnsl/rpc/clnt_generic.c
+++ b/usr/src/lib/libnsl/rpc/clnt_generic.c
@@ -307,8 +307,6 @@ clnt_create_service_timed(const char *host, const char *service,
 	char *nettype = &nettype_array[0];
 	char *hostname, *serv;
 	bool_t try_others;
-	extern int __rpc_minfd;
-
 
 	/*
 	 * handle const of netclass
@@ -399,8 +397,7 @@ clnt_create_service_timed(const char *host, const char *service,
 			continue;
 		}
 
-		if (fd < __rpc_minfd)
-			fd = __rpc_raise_fd(fd);
+		RPC_RAISEFD(fd);
 
 		__rpc_set_mac_options(fd, nconf, prog);
 
@@ -609,7 +606,6 @@ _clnt_tli_create_timed(int fd, const struct netconfig *nconf,
 	bool_t madefd;			/* whether fd opened here */
 	t_scalar_t servtype;
 	int retval;
-	extern int __rpc_minfd;
 
 	if (fd == RPC_ANYFD) {
 		if (nconf == NULL) {
@@ -620,8 +616,7 @@ _clnt_tli_create_timed(int fd, const struct netconfig *nconf,
 		fd = t_open(nconf->nc_device, O_RDWR, NULL);
 		if (fd == -1)
 			goto err;
-		if (fd < __rpc_minfd)
-			fd = __rpc_raise_fd(fd);
+		RPC_RAISEFD(fd);
 		madefd = TRUE;
 		__rpc_set_mac_options(fd, nconf, prog);
 		if (t_bind(fd, NULL, NULL) == -1)
@@ -761,17 +756,12 @@ err1:	if (madefd)
  *  a descriptor to a higher value.  If we fail to do it, we continue
  *  to use the old one (and hope for the best).
  */
-int __rpc_minfd = 3;
-
 int
 __rpc_raise_fd(int fd)
 {
 	int nfd;
 
-	if (fd >= __rpc_minfd)
-		return (fd);
-
-	if ((nfd = fcntl(fd, F_DUPFD, __rpc_minfd)) == -1)
+	if ((nfd = fcntl(fd, F_DUPFD, RPC_MINFD)) == -1)
 		return (fd);
 
 	if (t_sync(nfd) == -1) {
diff --git a/usr/src/lib/libnsl/rpc/netnamer.c b/usr/src/lib/libnsl/rpc/netnamer.c
index 38f964ca44..ee54f94151 100644
--- a/usr/src/lib/libnsl/rpc/netnamer.c
+++ b/usr/src/lib/libnsl/rpc/netnamer.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.
@@ -21,7 +20,7 @@
  */
 
 /*
- * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
@@ -64,7 +63,6 @@
 #include <rpc/rpc.h>
 #include <rpcsvc/nis.h>
 #include <rpcsvc/ypclnt.h>
-#include "nsl_stdio_prv.h"
 #include <nss_dbdefs.h>
 
 static const char    OPSYS[]	= "unix";
@@ -218,10 +216,10 @@ netname2user_files(int *err, char *netname, struct netid_userdata *argp)
 	char	*name;
 	char	*value;
 	char 	*res;
-	__NSL_FILE *fd;
+	FILE	*fd;
 
-	fd = __nsl_fopen(NETIDFILE, "r");
-	if (fd == (__NSL_FILE *)0) {
+	fd = fopen(NETIDFILE, "rF");
+	if (fd == NULL) {
 		*err = __NSW_UNAVAIL;
 		return (0);
 	}
@@ -231,8 +229,8 @@ netname2user_files(int *err, char *netname, struct netid_userdata *argp)
 	 *	netid	uid:grp,grp,grp # for users
 	 *	netid	0:hostname	# for hosts
 	 */
-	while (!__nsl_feof(fd)) {
-		res = __nsl_fgets(buf, 512, fd);
+	while (!feof(fd)) {
+		res = fgets(buf, 512, fd);
 		if (res == NULL)
 			break;
 
@@ -257,14 +255,14 @@ netname2user_files(int *err, char *netname, struct netid_userdata *argp)
 		*value++ = '\0'; /* nul terminate the name */
 
 		if (strcasecmp(name, netname) == 0) {
-			(void) __nsl_fclose(fd);
+			(void) fclose(fd);
 			while (isspace(*value))
 				value++;
 			*err = parse_netid_str(value, argp);
 			return (*err == __NSW_SUCCESS);
 		}
 	}
-	(void) __nsl_fclose(fd);
+	(void) fclose(fd);
 	*err = __NSW_NOTFOUND;
 	return (0);
 }
diff --git a/usr/src/lib/libnsl/rpc/openchild.c b/usr/src/lib/libnsl/rpc/openchild.c
deleted file mode 100644
index a3bd50f72d..0000000000
--- a/usr/src/lib/libnsl/rpc/openchild.c
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * 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.
- *
- * 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 2006 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
-/* All Rights Reserved */
-/*
- * Portions of this source code were derived from Berkeley
- * 4.3 BSD under license from the Regents of the University of
- * California.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-/*
- * Open two pipes to a child process, one for reading, one for writing. The
- * pipes are accessed by FILE pointers. This is NOT a public interface, but
- * for internal use only!
- */
-#include "mt.h"
-#include <stdio.h>
-#include <sys/types.h>
-#include <rpc/types.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include "rpc_mt.h"
-
-
-/*
- * returns pid, or -1 for failure
- */
-int
-__rpc_openchild(char *command, FILE **fto, FILE **ffrom)
-{
-	int	pid;
-	int	pdto[2];
-	int	pdfrom[2];
-
-	if (pipe(pdto) < 0)
-		goto error1;
-	if (pipe(pdfrom) < 0)
-		goto error2;
-	switch (pid = fork()) {
-	case -1:
-		goto error3;
-
-	case 0:
-		/*
-		 * child: read from pdto[0], write into pdfrom[1]
-		 */
-		(void) dup2(pdto[0], 0);
-		(void) dup2(pdfrom[1], 1);
-		closefrom(3);
-		(void) fflush(stderr);
-		(void) execlp(command, command, 0);
-		perror("exec");
-		_exit(~0);
-
-	default:
-		/*
-		 * parent: write into pdto[1], read from pdfrom[0]
-		 */
-		*fto = fdopen(pdto[1], "w");
-		(void) close(pdto[0]);
-		*ffrom = fdopen(pdfrom[0], "r");
-		(void) close(pdfrom[1]);
-		break;
-	}
-	return (pid);
-
-	/*
-	 * error cleanup and return
-	 */
-error3:
-	(void) close(pdfrom[0]);
-	(void) close(pdfrom[1]);
-error2:
-	(void) close(pdto[0]);
-	(void) close(pdto[1]);
-error1:
-	return (-1);
-}
diff --git a/usr/src/lib/libnsl/rpc/rpc_mt.h b/usr/src/lib/libnsl/rpc/rpc_mt.h
index 75e93f390f..02dacdef2d 100644
--- a/usr/src/lib/libnsl/rpc/rpc_mt.h
+++ b/usr/src/lib/libnsl/rpc/rpc_mt.h
@@ -90,6 +90,11 @@ extern void rpc_fd_unlock(const void *handle, int fd);
  * way to avoid the warnings.
  */
 
+#define	RPC_MINFD	3
+
+#define	RPC_RAISEFD(fd)		if (fd < RPC_MINFD) \
+					fd = __rpc_raise_fd(fd)
+
 extern int	__getpublickey_cached(char *, char *, int *);
 extern void	__getpublickey_flush(const char *);
 extern int	__can_use_af(sa_family_t);
diff --git a/usr/src/lib/libnsl/rpc/rpc_soc.c b/usr/src/lib/libnsl/rpc/rpc_soc.c
index 2dbf168273..1cb3f56b4e 100644
--- a/usr/src/lib/libnsl/rpc/rpc_soc.c
+++ b/usr/src/lib/libnsl/rpc/rpc_soc.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.
@@ -21,7 +20,7 @@
  */
 
 /*
- * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 /* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
@@ -83,7 +82,6 @@ clnt_com_create(struct sockaddr_in *raddr, rpcprog_t prog, rpcvers_t vers,
 	struct netconfig *nconf;
 	int port;
 	struct netbuf bindaddr;
-	extern int __rpc_minfd;
 	bool_t locked = TRUE;
 
 	(void) mutex_lock(&rpcsoc_lock);
@@ -96,8 +94,7 @@ clnt_com_create(struct sockaddr_in *raddr, rpcprog_t prog, rpcvers_t vers,
 		fd = t_open(nconf->nc_device, O_RDWR, &tinfo);
 		if (fd == -1)
 			goto syserror;
-		if (fd < __rpc_minfd)
-			fd = __rpc_raise_fd(fd);
+		RPC_RAISEFD(fd);
 		madefd = TRUE;
 	} else {
 		if (t_getinfo(fd, &tinfo) == -1)
diff --git a/usr/src/lib/libnsl/rpc/svc_run.c b/usr/src/lib/libnsl/rpc/svc_run.c
index 2d0d5faad8..cb91ad6515 100644
--- a/usr/src/lib/libnsl/rpc/svc_run.c
+++ b/usr/src/lib/libnsl/rpc/svc_run.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.
@@ -1035,7 +1034,6 @@ bool_t
 rpc_control(int op, void *info)
 {
 	int		tmp;
-	extern int	__rpc_minfd;
 
 	switch (op) {
 	case RPC_SVC_MTMODE_SET:
@@ -1075,15 +1073,6 @@ rpc_control(int op, void *info)
 			return (TRUE);
 		}
 		return (FALSE);
-	case __RPC_CLNT_MINFD_SET:
-		tmp = *((int *)info);
-		if (tmp < 0)
-			return (FALSE);
-		__rpc_minfd = tmp;
-		return (TRUE);
-	case __RPC_CLNT_MINFD_GET:
-		*((int *)info) = __rpc_minfd;
-		return (TRUE);
 	case RPC_SVC_CONNMAXREC_SET:
 		tmp = __rpc_legal_connmaxrec(*(int *)info);
 		if (tmp >= 0) {
diff --git a/usr/src/lib/libnsl/rpc/svc_vc.c b/usr/src/lib/libnsl/rpc/svc_vc.c
index 7bb9b35553..dced5a210c 100644
--- a/usr/src/lib/libnsl/rpc/svc_vc.c
+++ b/usr/src/lib/libnsl/rpc/svc_vc.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.
@@ -789,34 +788,6 @@ do_accept(int srcfd, char *tpname, char *netid, struct t_call *tcp,
 		(void) t_snddis(srcfd, tcp);
 		return;
 	}
-	if (destfd < 256) {
-		int nfd;
-
-		nfd = fcntl(destfd, F_DUPFD, 256);
-		if (nfd != -1) {
-			if (t_close(destfd) == -1) {
-				char errorstr[100];
-
-				__tli_sys_strerror(errorstr, sizeof (errorstr),
-						t_errno, errno);
-				(void) syslog(LOG_ERR,
-		"could not t_close() old fd %d; mem & fd leak error: %s",
-						destfd, errorstr);
-			}
-			destfd = nfd;
-			if (t_sync(destfd) == -1) {
-				char errorstr[100];
-
-				__tli_sys_strerror(errorstr, sizeof (errorstr),
-						t_errno, errno);
-				(void) syslog(LOG_ERR,
-				    "could not t_sync() duped fd %d: %s",
-						destfd, errorstr);
-				(void) t_snddis(srcfd, tcp);
-				return;
-			}
-		}
-	}
 	if (RPC_FD_NOTIN_FDSET(destfd)) {
 		(void) syslog(LOG_ERR, errstring, do_accept_str,
 						svc_vc_fderr);
diff --git a/usr/src/lib/libnsl/rpc/xdr_stdio_prv.c b/usr/src/lib/libnsl/rpc/xdr_stdio_prv.c
deleted file mode 100644
index 4c5f7fd292..0000000000
--- a/usr/src/lib/libnsl/rpc/xdr_stdio_prv.c
+++ /dev/null
@@ -1,215 +0,0 @@
-/*
- * 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.
- *
- * 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 2006 Sun Microsystems, Inc.  All rights reserved.
- * Use is subject to license terms.
- */
-
-#pragma ident	"%Z%%M%	%I%	%E% SMI"
-
-/*
- * XDR implementation on special standard i/o file.
- *
- * To avoid the file descriptor limitation in stdio, we implement
- * a private version of the same routines from xdr_stdio.c  using
- * modified FILE structure. ( __NSL_FILE )
- * This set of routines implements a XDR on a special stdio stream.
- * XDR_ENCODE serializes onto the stream, XDR_DECODE de-serializes
- * from the stream.
- */
-
-#include "mt.h"
-#include "rpc_mt.h"
-#include <rpc/types.h>
-#include <stdio.h>
-#include <rpc/xdr.h>
-#include <sys/types.h>
-#include <inttypes.h>
-#include "nsl_stdio_prv.h"
-
-static struct xdr_ops *__nsl_xdrstdio_ops(void);
-
-/*
- * Initialize a stdio xdr stream.
- * Sets the xdr stream handle xdrs for use on the stream file.
- * Operation flag is set to op.
- */
-void
-__nsl_xdrstdio_create(XDR *xdrs, __NSL_FILE *file, enum xdr_op op)
-{
-	xdrs->x_op = op;
-	xdrs->x_ops = __nsl_xdrstdio_ops();
-	xdrs->x_private = (caddr_t)file;
-	xdrs->x_handy = 0;
-	xdrs->x_base = 0;
-}
-
-/*
- * Destroy a stdio xdr stream.
- * Cleans up the xdr stream handle xdrs previously set up by xdrstdio_create.
- */
-static void
-__nsl_xdrstdio_destroy(XDR *xdrs)
-{
-	/* LINTED pointer cast */
-	(void) __nsl_fflush((__NSL_FILE *)xdrs->x_private);
-	/* xx should we close the file ?? */
-}
-
-
-static bool_t
-__nsl_xdrstdio_getint32(XDR *xdrs, int32_t *lp)
-{
-	if (__nsl_fread((caddr_t)lp, sizeof (int32_t), 1,
-			/* LINTED pointer cast */
-			(__NSL_FILE *)xdrs->x_private) != 1)
-		return (FALSE);
-	*lp = ntohl(*lp);
-	return (TRUE);
-}
-
-static bool_t
-__nsl_xdrstdio_putint32(XDR *xdrs, int32_t *lp)
-{
-	int32_t mycopy = htonl(*lp);
-	lp = &mycopy;
-
-	if (__nsl_fwrite((caddr_t)lp, sizeof (int32_t), 1,
-			/* LINTED pointer cast */
-			(__NSL_FILE *)xdrs->x_private) != 1)
-		return (FALSE);
-	return (TRUE);
-}
-
-static bool_t
-__nsl_xdrstdio_getlong(XDR *xdrs, long *lp)
-{
-	int32_t i;
-
-	if (!__nsl_xdrstdio_getint32(xdrs, &i))
-		return (FALSE);
-	*lp = (long)i;
-	return (TRUE);
-}
-
-static bool_t
-__nsl_xdrstdio_putlong(XDR *xdrs, long *lp)
-{
-	int32_t i;
-
-#if defined(_LP64)
-	if ((*lp > INT32_MAX) || (*lp < INT32_MIN))
-		return (FALSE);
-#endif
-	i = (int32_t)*lp;
-
-	return (__nsl_xdrstdio_putint32(xdrs, &i));
-}
-
-static bool_t
-__nsl_xdrstdio_getbytes(XDR *xdrs, caddr_t addr, int len)
-{
-	if ((len != 0) &&
-		(__nsl_fread(addr, (int)len, 1,
-			/* LINTED pointer cast */
-			(__NSL_FILE *)xdrs->x_private) != 1))
-		return (FALSE);
-	return (TRUE);
-}
-
-static bool_t
-__nsl_xdrstdio_putbytes(XDR *xdrs, caddr_t addr, int len)
-{
-	if ((len != 0) &&
-		(__nsl_fwrite(addr, (int)len, 1,
-			/* LINTED pointer cast */
-			(__NSL_FILE *)xdrs->x_private) != 1))
-		return (FALSE);
-	return (TRUE);
-}
-
-static uint_t
-__nsl_xdrstdio_getpos(XDR *xdrs)
-{
-	/* LINTED pointer cast */
-	return ((uint_t)__nsl_ftell((__NSL_FILE *)xdrs->x_private));
-}
-
-static bool_t
-__nsl_xdrstdio_setpos(XDR *xdrs, uint_t pos)
-{
-	/* LINTED pointer cast */
-	return ((__nsl_fseek((__NSL_FILE *)xdrs->x_private,
-			(int)pos, 0) < 0) ? FALSE : TRUE);
-}
-
-/* ARGSUSED */
-static rpc_inline_t *
-__nsl_xdrstdio_inline(XDR *xdrs, int len)
-{
-	/*
-	 * Must do some work to implement this: must insure
-	 * enough data in the underlying stdio buffer,
-	 * that the buffer is aligned so that we can indirect through a
-	 * long *, and stuff this pointer in xdrs->x_buf.  Doing
-	 * a fread or fwrite to a scratch buffer would defeat
-	 * most of the gains to be had here and require storage
-	 * management on this buffer, so we don't do this.
-	 */
-	return (NULL);
-}
-
-/* ARGSUSED */
-static bool_t
-__nsl_xdrstdio_control(XDR *xdrs, int request, void *info)
-{
-	return (FALSE);
-}
-
-static struct xdr_ops *
-__nsl_xdrstdio_ops(void)
-{
-	static struct xdr_ops ops;
-	extern mutex_t	ops_lock;
-
-/* VARIABLES PROTECTED BY ops_lock: ops */
-
-	(void) mutex_lock(&ops_lock);
-	if (ops.x_getlong == NULL) {
-		ops.x_getlong = __nsl_xdrstdio_getlong;
-		ops.x_putlong = __nsl_xdrstdio_putlong;
-		ops.x_getbytes = __nsl_xdrstdio_getbytes;
-		ops.x_putbytes = __nsl_xdrstdio_putbytes;
-		ops.x_getpostn = __nsl_xdrstdio_getpos;
-		ops.x_setpostn = __nsl_xdrstdio_setpos;
-		ops.x_inline = __nsl_xdrstdio_inline;
-		ops.x_destroy = __nsl_xdrstdio_destroy;
-		ops.x_control = __nsl_xdrstdio_control;
-#if defined(_LP64)
-		ops.x_getint32 = __nsl_xdrstdio_getint32;
-		ops.x_putint32 = __nsl_xdrstdio_putint32;
-#endif
-	}
-	(void) mutex_unlock(&ops_lock);
-	return (&ops);
-}