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-rwxr-xr-xconfigure3
-rw-r--r--configure.ac1
-rw-r--r--lib/Makefile.am3
-rw-r--r--lib/Makefile.in3
-rw-r--r--lib/libshare/Makefile.am15
-rw-r--r--lib/libshare/Makefile.in662
-rw-r--r--lib/libshare/libshare.c810
-rw-r--r--lib/libshare/libshare_impl.h70
-rw-r--r--lib/libshare/nfs.c705
-rw-r--r--lib/libshare/nfs.h27
-rw-r--r--lib/libspl/include/libshare.h56
-rw-r--r--lib/libzfs/libzfs_mount.c42
-rw-r--r--module/zfs/zfs_ioctl.c150
13 files changed, 2380 insertions, 167 deletions
diff --git a/configure b/configure
index 497c9931b..9eaa3737e 100755
--- a/configure
+++ b/configure
@@ -20555,7 +20555,7 @@ fi
$as_echo "$enable_debug" >&6; }
-ac_config_files="$ac_config_files Makefile dracut/Makefile dracut/90zfs/Makefile etc/Makefile etc/udev/Makefile etc/udev/rules.d/Makefile etc/init.d/Makefile etc/zfs/Makefile man/Makefile man/man8/Makefile lib/Makefile lib/libspl/Makefile lib/libspl/asm-generic/Makefile lib/libspl/asm-i386/Makefile lib/libspl/asm-x86_64/Makefile lib/libspl/include/Makefile lib/libspl/include/ia32/Makefile lib/libspl/include/ia32/sys/Makefile lib/libspl/include/rpc/Makefile lib/libspl/include/sys/Makefile lib/libspl/include/sys/sysevent/Makefile lib/libspl/include/sys/dktp/Makefile lib/libspl/include/util/Makefile lib/libavl/Makefile lib/libefi/Makefile lib/libnvpair/Makefile lib/libunicode/Makefile lib/libuutil/Makefile lib/libzpool/Makefile lib/libzfs/Makefile cmd/Makefile cmd/zdb/Makefile cmd/zfs/Makefile cmd/zinject/Makefile cmd/zpool/Makefile cmd/ztest/Makefile cmd/zpios/Makefile cmd/mount_zfs/Makefile cmd/zpool_layout/Makefile cmd/zvol_id/Makefile cmd/zpool_id/Makefile cmd/sas_switch_id/Makefile module/Makefile module/avl/Makefile module/nvpair/Makefile module/unicode/Makefile module/zcommon/Makefile module/zfs/Makefile module/zpios/Makefile include/Makefile include/linux/Makefile include/sys/Makefile include/sys/fs/Makefile include/sys/fm/Makefile include/sys/fm/fs/Makefile scripts/Makefile scripts/zpios-profile/Makefile scripts/zpios-test/Makefile scripts/zpool-config/Makefile scripts/zpool-layout/Makefile scripts/common.sh zfs.spec zfs-modules.spec zfs-script-config.sh"
+ac_config_files="$ac_config_files Makefile dracut/Makefile dracut/90zfs/Makefile etc/Makefile etc/udev/Makefile etc/udev/rules.d/Makefile etc/init.d/Makefile etc/zfs/Makefile man/Makefile man/man8/Makefile lib/Makefile lib/libspl/Makefile lib/libspl/asm-generic/Makefile lib/libspl/asm-i386/Makefile lib/libspl/asm-x86_64/Makefile lib/libspl/include/Makefile lib/libspl/include/ia32/Makefile lib/libspl/include/ia32/sys/Makefile lib/libspl/include/rpc/Makefile lib/libspl/include/sys/Makefile lib/libspl/include/sys/sysevent/Makefile lib/libspl/include/sys/dktp/Makefile lib/libspl/include/util/Makefile lib/libavl/Makefile lib/libefi/Makefile lib/libnvpair/Makefile lib/libunicode/Makefile lib/libuutil/Makefile lib/libzpool/Makefile lib/libzfs/Makefile lib/libshare/Makefile cmd/Makefile cmd/zdb/Makefile cmd/zfs/Makefile cmd/zinject/Makefile cmd/zpool/Makefile cmd/ztest/Makefile cmd/zpios/Makefile cmd/mount_zfs/Makefile cmd/zpool_layout/Makefile cmd/zvol_id/Makefile cmd/zpool_id/Makefile cmd/sas_switch_id/Makefile module/Makefile module/avl/Makefile module/nvpair/Makefile module/unicode/Makefile module/zcommon/Makefile module/zfs/Makefile module/zpios/Makefile include/Makefile include/linux/Makefile include/sys/Makefile include/sys/fs/Makefile include/sys/fm/Makefile include/sys/fm/fs/Makefile scripts/Makefile scripts/zpios-profile/Makefile scripts/zpios-test/Makefile scripts/zpool-config/Makefile scripts/zpool-layout/Makefile scripts/common.sh zfs.spec zfs-modules.spec zfs-script-config.sh"
cat >confcache <<\_ACEOF
@@ -21501,6 +21501,7 @@ do
"lib/libuutil/Makefile") CONFIG_FILES="$CONFIG_FILES lib/libuutil/Makefile" ;;
"lib/libzpool/Makefile") CONFIG_FILES="$CONFIG_FILES lib/libzpool/Makefile" ;;
"lib/libzfs/Makefile") CONFIG_FILES="$CONFIG_FILES lib/libzfs/Makefile" ;;
+ "lib/libshare/Makefile") CONFIG_FILES="$CONFIG_FILES lib/libshare/Makefile" ;;
"cmd/Makefile") CONFIG_FILES="$CONFIG_FILES cmd/Makefile" ;;
"cmd/zdb/Makefile") CONFIG_FILES="$CONFIG_FILES cmd/zdb/Makefile" ;;
"cmd/zfs/Makefile") CONFIG_FILES="$CONFIG_FILES cmd/zfs/Makefile" ;;
diff --git a/configure.ac b/configure.ac
index 33654de9f..fda9faf43 100644
--- a/configure.ac
+++ b/configure.ac
@@ -84,6 +84,7 @@ AC_CONFIG_FILES([
lib/libuutil/Makefile
lib/libzpool/Makefile
lib/libzfs/Makefile
+ lib/libshare/Makefile
cmd/Makefile
cmd/zdb/Makefile
cmd/zfs/Makefile
diff --git a/lib/Makefile.am b/lib/Makefile.am
index c0f387896..0d518d220 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -1 +1,2 @@
-SUBDIRS = libspl libavl libefi libnvpair libunicode libuutil libzpool libzfs
+SUBDIRS = libspl libavl libefi libnvpair libshare
+SUBDIRS += libunicode libuutil libzpool libzfs
diff --git a/lib/Makefile.in b/lib/Makefile.in
index 107aa7678..b5c4d8755 100644
--- a/lib/Makefile.in
+++ b/lib/Makefile.in
@@ -301,7 +301,8 @@ target_vendor = @target_vendor@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
-SUBDIRS = libspl libavl libefi libnvpair libunicode libuutil libzpool libzfs
+SUBDIRS = libspl libavl libefi libnvpair libshare libunicode libuutil \
+ libzpool libzfs
all: all-recursive
.SUFFIXES:
diff --git a/lib/libshare/Makefile.am b/lib/libshare/Makefile.am
new file mode 100644
index 000000000..b66df8c56
--- /dev/null
+++ b/lib/libshare/Makefile.am
@@ -0,0 +1,15 @@
+include $(top_srcdir)/config/Rules.am
+
+DEFAULT_INCLUDES += \
+ -I$(top_srcdir)/include \
+ -I$(top_srcdir)/lib/libspl/include
+
+lib_LTLIBRARIES = libshare.la
+
+libshare_la_SOURCES = \
+ $(top_srcdir)/lib/libshare/libshare.c \
+ $(top_srcdir)/lib/libshare/nfs.c \
+ $(top_srcdir)/lib/libshare/libshare_impl.h \
+ $(top_srcdir)/lib/libshare/nfs.h
+
+libshare_la_LDFLAGS = -version-info 1:0:0
diff --git a/lib/libshare/Makefile.in b/lib/libshare/Makefile.in
new file mode 100644
index 000000000..c0122cda7
--- /dev/null
+++ b/lib/libshare/Makefile.in
@@ -0,0 +1,662 @@
+# Makefile.in generated by automake 1.11.1 from Makefile.am.
+# @configure_input@
+
+# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
+# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation,
+# Inc.
+# This Makefile.in is free software; the Free Software Foundation
+# gives unlimited permission to copy and/or distribute it,
+# with or without modifications, as long as this notice is preserved.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY, to the extent permitted by law; without
+# even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+# PARTICULAR PURPOSE.
+
+@SET_MAKE@
+
+VPATH = @srcdir@
+pkgdatadir = $(datadir)/@PACKAGE@
+pkgincludedir = $(includedir)/@PACKAGE@
+pkglibdir = $(libdir)/@PACKAGE@
+pkglibexecdir = $(libexecdir)/@PACKAGE@
+am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+install_sh_DATA = $(install_sh) -c -m 644
+install_sh_PROGRAM = $(install_sh) -c
+install_sh_SCRIPT = $(install_sh) -c
+INSTALL_HEADER = $(INSTALL_DATA)
+transform = $(program_transform_name)
+NORMAL_INSTALL = :
+PRE_INSTALL = :
+POST_INSTALL = :
+NORMAL_UNINSTALL = :
+PRE_UNINSTALL = :
+POST_UNINSTALL = :
+build_triplet = @build@
+host_triplet = @host@
+target_triplet = @target@
+DIST_COMMON = $(srcdir)/Makefile.am $(srcdir)/Makefile.in \
+ $(top_srcdir)/config/Rules.am
+subdir = lib/libshare
+ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
+am__aclocal_m4_deps = \
+ $(top_srcdir)/config/always-no-unused-but-set-variable.m4 \
+ $(top_srcdir)/config/kernel-bdev-block-device-operations.m4 \
+ $(top_srcdir)/config/kernel-bdev-logical-size.m4 \
+ $(top_srcdir)/config/kernel-bio-empty-barrier.m4 \
+ $(top_srcdir)/config/kernel-bio-end-io-t-args.m4 \
+ $(top_srcdir)/config/kernel-bio-failfast.m4 \
+ $(top_srcdir)/config/kernel-bio-rw-syncio.m4 \
+ $(top_srcdir)/config/kernel-blk-end-request.m4 \
+ $(top_srcdir)/config/kernel-blk-fetch-request.m4 \
+ $(top_srcdir)/config/kernel-blk-requeue-request.m4 \
+ $(top_srcdir)/config/kernel-blk-rq-bytes.m4 \
+ $(top_srcdir)/config/kernel-blk-rq-pos.m4 \
+ $(top_srcdir)/config/kernel-blk-rq-sectors.m4 \
+ $(top_srcdir)/config/kernel-blkdev-get-by-path.m4 \
+ $(top_srcdir)/config/kernel-check-disk-size-change.m4 \
+ $(top_srcdir)/config/kernel-d-obtain-alias.m4 \
+ $(top_srcdir)/config/kernel-evict-inode.m4 \
+ $(top_srcdir)/config/kernel-fmode-t.m4 \
+ $(top_srcdir)/config/kernel-fsync.m4 \
+ $(top_srcdir)/config/kernel-get-disk-ro.m4 \
+ $(top_srcdir)/config/kernel-insert-inode-locked.m4 \
+ $(top_srcdir)/config/kernel-invalidate-bdev-args.m4 \
+ $(top_srcdir)/config/kernel-kobj-name-len.m4 \
+ $(top_srcdir)/config/kernel-mount-nodev.m4 \
+ $(top_srcdir)/config/kernel-open-bdev-exclusive.m4 \
+ $(top_srcdir)/config/kernel-rq-for-each_segment.m4 \
+ $(top_srcdir)/config/kernel-rq-is_sync.m4 \
+ $(top_srcdir)/config/kernel-security-inode-init.m4 \
+ $(top_srcdir)/config/kernel-truncate-setsize.m4 \
+ $(top_srcdir)/config/kernel-xattr-handler.m4 \
+ $(top_srcdir)/config/kernel.m4 \
+ $(top_srcdir)/config/user-arch.m4 \
+ $(top_srcdir)/config/user-frame-larger-than.m4 \
+ $(top_srcdir)/config/user-ioctl.m4 \
+ $(top_srcdir)/config/user-libblkid.m4 \
+ $(top_srcdir)/config/user-libuuid.m4 \
+ $(top_srcdir)/config/user-nptl_guard_within_stack.m4 \
+ $(top_srcdir)/config/user-selinux.m4 \
+ $(top_srcdir)/config/user-zlib.m4 $(top_srcdir)/config/user.m4 \
+ $(top_srcdir)/config/zfs-build.m4 \
+ $(top_srcdir)/config/zfs-meta.m4 $(top_srcdir)/configure.ac
+am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
+ $(ACLOCAL_M4)
+mkinstalldirs = $(install_sh) -d
+CONFIG_HEADER = $(top_builddir)/zfs_config.h
+CONFIG_CLEAN_FILES =
+CONFIG_CLEAN_VPATH_FILES =
+am__vpath_adj_setup = srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`;
+am__vpath_adj = case $$p in \
+ $(srcdir)/*) f=`echo "$$p" | sed "s|^$$srcdirstrip/||"`;; \
+ *) f=$$p;; \
+ esac;
+am__strip_dir = f=`echo $$p | sed -e 's|^.*/||'`;
+am__install_max = 40
+am__nobase_strip_setup = \
+ srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*|]/\\\\&/g'`
+am__nobase_strip = \
+ for p in $$list; do echo "$$p"; done | sed -e "s|$$srcdirstrip/||"
+am__nobase_list = $(am__nobase_strip_setup); \
+ for p in $$list; do echo "$$p $$p"; done | \
+ sed "s| $$srcdirstrip/| |;"' / .*\//!s/ .*/ ./; s,\( .*\)/[^/]*$$,\1,' | \
+ $(AWK) 'BEGIN { files["."] = "" } { files[$$2] = files[$$2] " " $$1; \
+ if (++n[$$2] == $(am__install_max)) \
+ { print $$2, files[$$2]; n[$$2] = 0; files[$$2] = "" } } \
+ END { for (dir in files) print dir, files[dir] }'
+am__base_list = \
+ sed '$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;$$!N;s/\n/ /g' | \
+ sed '$$!N;$$!N;$$!N;$$!N;s/\n/ /g'
+am__installdirs = "$(DESTDIR)$(libdir)"
+LTLIBRARIES = $(lib_LTLIBRARIES)
+libshare_la_LIBADD =
+am_libshare_la_OBJECTS = libshare.lo nfs.lo
+libshare_la_OBJECTS = $(am_libshare_la_OBJECTS)
+AM_V_lt = $(am__v_lt_$(V))
+am__v_lt_ = $(am__v_lt_$(AM_DEFAULT_VERBOSITY))
+am__v_lt_0 = --silent
+libshare_la_LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(libshare_la_LDFLAGS) $(LDFLAGS) -o $@
+depcomp = $(SHELL) $(top_srcdir)/config/depcomp
+am__depfiles_maybe = depfiles
+am__mv = mv -f
+COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS)
+LTCOMPILE = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) \
+ $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) \
+ $(AM_CFLAGS) $(CFLAGS)
+AM_V_CC = $(am__v_CC_$(V))
+am__v_CC_ = $(am__v_CC_$(AM_DEFAULT_VERBOSITY))
+am__v_CC_0 = @echo " CC " $@;
+AM_V_at = $(am__v_at_$(V))
+am__v_at_ = $(am__v_at_$(AM_DEFAULT_VERBOSITY))
+am__v_at_0 = @
+CCLD = $(CC)
+LINK = $(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) \
+ $(LIBTOOLFLAGS) --mode=link $(CCLD) $(AM_CFLAGS) $(CFLAGS) \
+ $(AM_LDFLAGS) $(LDFLAGS) -o $@
+AM_V_CCLD = $(am__v_CCLD_$(V))
+am__v_CCLD_ = $(am__v_CCLD_$(AM_DEFAULT_VERBOSITY))
+am__v_CCLD_0 = @echo " CCLD " $@;
+AM_V_GEN = $(am__v_GEN_$(V))
+am__v_GEN_ = $(am__v_GEN_$(AM_DEFAULT_VERBOSITY))
+am__v_GEN_0 = @echo " GEN " $@;
+SOURCES = $(libshare_la_SOURCES)
+DIST_SOURCES = $(libshare_la_SOURCES)
+ETAGS = etags
+CTAGS = ctags
+DISTFILES = $(DIST_COMMON) $(DIST_SOURCES) $(TEXINFOS) $(EXTRA_DIST)
+ACLOCAL = @ACLOCAL@
+ALIEN = @ALIEN@
+ALIEN_VERSION = @ALIEN_VERSION@
+AMTAR = @AMTAR@
+AM_DEFAULT_VERBOSITY = @AM_DEFAULT_VERBOSITY@
+AR = @AR@
+AUTOCONF = @AUTOCONF@
+AUTOHEADER = @AUTOHEADER@
+AUTOMAKE = @AUTOMAKE@
+AWK = @AWK@
+CC = @CC@
+CCAS = @CCAS@
+CCASDEPMODE = @CCASDEPMODE@
+CCASFLAGS = @CCASFLAGS@
+CCDEPMODE = @CCDEPMODE@
+CFLAGS = @CFLAGS@
+CPP = @CPP@
+CPPFLAGS = @CPPFLAGS@
+CYGPATH_W = @CYGPATH_W@
+DEBUG_CFLAGS = @DEBUG_CFLAGS@
+DEBUG_STACKFLAGS = @DEBUG_STACKFLAGS@
+DEFAULT_INIT_SCRIPT = @DEFAULT_INIT_SCRIPT@
+DEFAULT_PACKAGE = @DEFAULT_PACKAGE@
+DEFS = @DEFS@
+DEPDIR = @DEPDIR@
+DPKG = @DPKG@
+DPKGBUILD = @DPKGBUILD@
+DPKGBUILD_VERSION = @DPKGBUILD_VERSION@
+DPKG_VERSION = @DPKG_VERSION@
+DSYMUTIL = @DSYMUTIL@
+DUMPBIN = @DUMPBIN@
+ECHO_C = @ECHO_C@
+ECHO_N = @ECHO_N@
+ECHO_T = @ECHO_T@
+EGREP = @EGREP@
+EXEEXT = @EXEEXT@
+FGREP = @FGREP@
+FRAME_LARGER_THAN = @FRAME_LARGER_THAN@
+GREP = @GREP@
+HAVE_ALIEN = @HAVE_ALIEN@
+HAVE_DPKG = @HAVE_DPKG@
+HAVE_DPKGBUILD = @HAVE_DPKGBUILD@
+HAVE_RPM = @HAVE_RPM@
+HAVE_RPMBUILD = @HAVE_RPMBUILD@
+INSTALL = @INSTALL@
+INSTALL_DATA = @INSTALL_DATA@
+INSTALL_PROGRAM = @INSTALL_PROGRAM@
+INSTALL_SCRIPT = @INSTALL_SCRIPT@
+INSTALL_STRIP_PROGRAM = @INSTALL_STRIP_PROGRAM@
+KERNELCPPFLAGS = @KERNELCPPFLAGS@
+KERNELMAKE_PARAMS = @KERNELMAKE_PARAMS@
+LD = @LD@
+LDFLAGS = @LDFLAGS@
+LIBBLKID = @LIBBLKID@
+LIBOBJS = @LIBOBJS@
+LIBS = @LIBS@
+LIBSELINUX = @LIBSELINUX@
+LIBTOOL = @LIBTOOL@
+LIBUUID = @LIBUUID@
+LINUX = @LINUX@
+LINUX_OBJ = @LINUX_OBJ@
+LINUX_SYMBOLS = @LINUX_SYMBOLS@
+LINUX_VERSION = @LINUX_VERSION@
+LIPO = @LIPO@
+LN_S = @LN_S@
+LTLIBOBJS = @LTLIBOBJS@
+MAINT = @MAINT@
+MAKEINFO = @MAKEINFO@
+MKDIR_P = @MKDIR_P@
+NM = @NM@
+NMEDIT = @NMEDIT@
+NO_UNUSED_BUT_SET_VARIABLE = @NO_UNUSED_BUT_SET_VARIABLE@
+OBJDUMP = @OBJDUMP@
+OBJEXT = @OBJEXT@
+OTOOL = @OTOOL@
+OTOOL64 = @OTOOL64@
+PACKAGE = @PACKAGE@
+PACKAGE_BUGREPORT = @PACKAGE_BUGREPORT@
+PACKAGE_NAME = @PACKAGE_NAME@
+PACKAGE_STRING = @PACKAGE_STRING@
+PACKAGE_TARNAME = @PACKAGE_TARNAME@
+PACKAGE_VERSION = @PACKAGE_VERSION@
+PATH_SEPARATOR = @PATH_SEPARATOR@
+RANLIB = @RANLIB@
+RPM = @RPM@
+RPMBUILD = @RPMBUILD@
+RPMBUILD_VERSION = @RPMBUILD_VERSION@
+RPM_VERSION = @RPM_VERSION@
+SED = @SED@
+SET_MAKE = @SET_MAKE@
+SHELL = @SHELL@
+SPL = @SPL@
+SPL_OBJ = @SPL_OBJ@
+SPL_SYMBOLS = @SPL_SYMBOLS@
+SPL_VERSION = @SPL_VERSION@
+STRIP = @STRIP@
+TARGET_ASM_DIR = @TARGET_ASM_DIR@
+VENDOR = @VENDOR@
+VERSION = @VERSION@
+ZFS_CONFIG = @ZFS_CONFIG@
+ZFS_META_ALIAS = @ZFS_META_ALIAS@
+ZFS_META_AUTHOR = @ZFS_META_AUTHOR@
+ZFS_META_DATA = @ZFS_META_DATA@
+ZFS_META_LICENSE = @ZFS_META_LICENSE@
+ZFS_META_LT_AGE = @ZFS_META_LT_AGE@
+ZFS_META_LT_CURRENT = @ZFS_META_LT_CURRENT@
+ZFS_META_LT_REVISION = @ZFS_META_LT_REVISION@
+ZFS_META_NAME = @ZFS_META_NAME@
+ZFS_META_RELEASE = @ZFS_META_RELEASE@
+ZFS_META_VERSION = @ZFS_META_VERSION@
+ZLIB = @ZLIB@
+abs_builddir = @abs_builddir@
+abs_srcdir = @abs_srcdir@
+abs_top_builddir = @abs_top_builddir@
+abs_top_srcdir = @abs_top_srcdir@
+ac_ct_CC = @ac_ct_CC@
+ac_ct_DUMPBIN = @ac_ct_DUMPBIN@
+am__include = @am__include@
+am__leading_dot = @am__leading_dot@
+am__quote = @am__quote@
+am__tar = @am__tar@
+am__untar = @am__untar@
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+build = @build@
+build_alias = @build_alias@
+build_cpu = @build_cpu@
+build_os = @build_os@
+build_vendor = @build_vendor@
+builddir = @builddir@
+datadir = @datadir@
+datarootdir = @datarootdir@
+docdir = @docdir@
+dvidir = @dvidir@
+exec_prefix = @exec_prefix@
+host = @host@
+host_alias = @host_alias@
+host_cpu = @host_cpu@
+host_os = @host_os@
+host_vendor = @host_vendor@
+htmldir = @htmldir@
+includedir = @includedir@
+infodir = @infodir@
+install_sh = @install_sh@
+libdir = @libdir@
+libexecdir = @libexecdir@
+localedir = @localedir@
+localstatedir = @localstatedir@
+lt_ECHO = @lt_ECHO@
+mandir = @mandir@
+mkdir_p = @mkdir_p@
+oldincludedir = @oldincludedir@
+pdfdir = @pdfdir@
+prefix = @prefix@
+program_transform_name = @program_transform_name@
+psdir = @psdir@
+sbindir = @sbindir@
+sharedstatedir = @sharedstatedir@
+srcdir = @srcdir@
+sysconfdir = @sysconfdir@
+target = @target@
+target_alias = @target_alias@
+target_cpu = @target_cpu@
+target_os = @target_os@
+target_vendor = @target_vendor@
+top_build_prefix = @top_build_prefix@
+top_builddir = @top_builddir@
+top_srcdir = @top_srcdir@
+DEFAULT_INCLUDES = -include ${top_builddir}/zfs_config.h \
+ -I$(top_srcdir)/include -I$(top_srcdir)/lib/libspl/include
+AM_LIBTOOLFLAGS = --silent
+AM_CFLAGS = -Wall -Wstrict-prototypes -fno-strict-aliasing \
+ ${NO_UNUSED_BUT_SET_VARIABLE} ${DEBUG_CFLAGS} -D_GNU_SOURCE \
+ -D__EXTENSIONS__ -D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS \
+ -D_FILE_OFFSET_BITS=64 -D_LARGEFILE64_SOURCE \
+ -DTEXT_DOMAIN=\"zfs-linux-user\"
+lib_LTLIBRARIES = libshare.la
+libshare_la_SOURCES = \
+ $(top_srcdir)/lib/libshare/libshare.c \
+ $(top_srcdir)/lib/libshare/nfs.c \
+ $(top_srcdir)/lib/libshare/libshare_impl.h \
+ $(top_srcdir)/lib/libshare/nfs.h
+
+libshare_la_LDFLAGS = -version-info 1:0:0
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am $(top_srcdir)/config/Rules.am $(am__configure_deps)
+ @for dep in $?; do \
+ case '$(am__configure_deps)' in \
+ *$$dep*) \
+ ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+ && { if test -f $@; then exit 0; else break; fi; }; \
+ exit 1;; \
+ esac; \
+ done; \
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+ @case '$?' in \
+ *config.status*) \
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+ echo "rm -f \"$${dir}/so_locations\""; \
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+
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+
+distclean-compile:
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+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libshare.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/nfs.Plo@am__quote@
+
+.c.o:
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@am__fastdepCC_FALSE@ $(AM_V_CC) @AM_BACKSLASH@
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+
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+
+.c.lo:
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+libshare.lo: $(top_srcdir)/lib/libshare/libshare.c
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+@am__fastdepCC_TRUE@ $(AM_V_at)$(am__mv) $(DEPDIR)/libshare.Tpo $(DEPDIR)/libshare.Plo
+@am__fastdepCC_FALSE@ $(AM_V_CC) @AM_BACKSLASH@
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+
+nfs.lo: $(top_srcdir)/lib/libshare/nfs.c
+@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -MT nfs.lo -MD -MP -MF $(DEPDIR)/nfs.Tpo -c -o nfs.lo `test -f '$(top_srcdir)/lib/libshare/nfs.c' || echo '$(srcdir)/'`$(top_srcdir)/lib/libshare/nfs.c
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+
+mostlyclean-libtool:
+ -rm -f *.lo
+
+clean-libtool:
+ -rm -rf .libs _libs
+
+ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
+ list='$(SOURCES) $(HEADERS) $(LISP) $(TAGS_FILES)'; \
+ unique=`for i in $$list; do \
+ if test -f "$$i"; then echo $$i; else echo $(srcdir)/$$i; fi; \
+ done | \
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+ END { if (nonempty) { for (i in files) print i; }; }'`; \
+ mkid -fID $$unique
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+
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+ echo "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'"` install
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+ -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
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+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/lib/libshare/libshare.c b/lib/libshare/libshare.c
new file mode 100644
index 000000000..c34e83919
--- /dev/null
+++ b/lib/libshare/libshare.c
@@ -0,0 +1,810 @@
+/*
+ * 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 (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011 Gunnar Beutner
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <strings.h>
+#include <libintl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <libzfs.h>
+#include <libshare.h>
+#include "libshare_impl.h"
+#include "nfs.h"
+
+static sa_share_impl_t find_share(sa_handle_impl_t handle,
+ const char *sharepath);
+static sa_share_impl_t alloc_share(const char *sharepath);
+static void free_share(sa_share_impl_t share);
+
+static void parse_sharetab(sa_handle_impl_t impl_handle);
+static int process_share(sa_handle_impl_t impl_handle,
+ sa_share_impl_t impl_share, char *pathname, char *resource,
+ char *fstype, char *options, char *description,
+ char *dataset, boolean_t from_sharetab);
+static void update_sharetab(sa_handle_impl_t impl_handle);
+
+static int update_zfs_share(sa_share_impl_t impl_handle, const char *proto);
+static int update_zfs_shares(sa_handle_impl_t impl_handle, const char *proto);
+
+static int fstypes_count;
+static sa_fstype_t *fstypes;
+
+sa_fstype_t *
+register_fstype(const char *name, const sa_share_ops_t *ops)
+{
+ sa_fstype_t *fstype;
+
+ fstype = calloc(sizeof (sa_fstype_t), 1);
+
+ if (fstype == NULL)
+ return NULL;
+
+ fstype->name = name;
+ fstype->ops = ops;
+ fstype->fsinfo_index = fstypes_count;
+
+ fstypes_count++;
+
+ fstype->next = fstypes;
+ fstypes = fstype;
+
+ return fstype;
+}
+
+sa_handle_t
+sa_init(int init_service)
+{
+ sa_handle_impl_t impl_handle;
+
+ impl_handle = calloc(sizeof (struct sa_handle_impl), 1);
+
+ if (impl_handle == NULL)
+ return NULL;
+
+ impl_handle->zfs_libhandle = libzfs_init();
+
+ if (impl_handle->zfs_libhandle != NULL) {
+ libzfs_print_on_error(impl_handle->zfs_libhandle, B_TRUE);
+ }
+
+ parse_sharetab(impl_handle);
+ update_zfs_shares(impl_handle, NULL);
+
+ return ((sa_handle_t)impl_handle);
+}
+
+__attribute__((constructor)) static void
+libshare_init(void)
+{
+ libshare_nfs_init();
+
+ /*
+ * This bit causes /etc/dfs/sharetab to be updated before libzfs gets a
+ * chance to read that file; this is necessary because the sharetab file
+ * might be out of sync with the NFS kernel exports (e.g. due to reboots
+ * or users manually removing shares)
+ */
+ sa_fini(sa_init(0));
+}
+
+static void
+parse_sharetab(sa_handle_impl_t impl_handle) {
+ FILE *fp;
+ char line[512];
+ char *eol, *pathname, *resource, *fstype, *options, *description;
+
+ fp = fopen("/etc/dfs/sharetab", "r");
+
+ if (fp == NULL)
+ return;
+
+ while (fgets(line, sizeof (line), fp) != NULL) {
+ eol = line + strlen(line) - 1;
+
+ while (eol >= line) {
+ if (*eol != '\r' && *eol != '\n')
+ break;
+
+ *eol = '\0';
+ eol--;
+ }
+
+ pathname = line;
+
+ if ((resource = strchr(pathname, '\t')) == NULL)
+ continue;
+
+ *resource = '\0';
+ resource++;
+
+ if ((fstype = strchr(resource, '\t')) == NULL)
+ continue;
+
+ *fstype = '\0';
+ fstype++;
+
+ if ((options = strchr(fstype, '\t')) == NULL)
+ continue;
+
+ *options = '\0';
+ options++;
+
+ if ((description = strchr(fstype, '\t')) != NULL) {
+ *description = '\0';
+ description++;
+ }
+
+ if (strcmp(resource, "-") == 0)
+ resource = NULL;
+
+ (void) process_share(impl_handle, NULL, pathname, resource,
+ fstype, options, description, NULL, B_TRUE);
+ }
+
+ fclose(fp);
+}
+
+static void
+update_sharetab(sa_handle_impl_t impl_handle)
+{
+ sa_share_impl_t impl_share;
+ int temp_fd;
+ FILE *temp_fp;
+ char tempfile[] = "/etc/dfs/sharetab.XXXXXX";
+ sa_fstype_t *fstype;
+ const char *resource;
+
+ if (mkdir("/etc/dfs", 0755) < 0 && errno != EEXIST) {
+ return;
+ }
+
+ temp_fd = mkstemp(tempfile);
+
+ if (temp_fd < 0)
+ return;
+
+ temp_fp = fdopen(temp_fd, "w");
+
+ if (temp_fp == NULL)
+ return;
+
+ impl_share = impl_handle->shares;
+ while (impl_share != NULL) {
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (FSINFO(impl_share, fstype)->active &&
+ FSINFO(impl_share, fstype)->shareopts != NULL) {
+ resource = FSINFO(impl_share, fstype)->resource;
+
+ if (resource == NULL)
+ resource = "-";
+
+ fprintf(temp_fp, "%s\t%s\t%s\t%s\n",
+ impl_share->sharepath, resource,
+ fstype->name,
+ FSINFO(impl_share, fstype)->shareopts);
+ }
+
+ fstype = fstype->next;
+ }
+
+ impl_share = impl_share->next;
+ }
+
+ fflush(temp_fp);
+ fsync(temp_fd);
+ fclose(temp_fp);
+
+ rename(tempfile, "/etc/dfs/sharetab");
+}
+
+typedef struct update_cookie_s {
+ sa_handle_impl_t handle;
+ const char *proto;
+} update_cookie_t;
+
+static int
+update_zfs_shares_cb(zfs_handle_t *zhp, void *pcookie)
+{
+ update_cookie_t *udata = (update_cookie_t *)pcookie;
+ char mountpoint[ZFS_MAXPROPLEN];
+ char shareopts[ZFS_MAXPROPLEN];
+ char *dataset;
+ zfs_type_t type = zfs_get_type(zhp);
+
+ if (type == ZFS_TYPE_FILESYSTEM &&
+ zfs_iter_filesystems(zhp, update_zfs_shares_cb, pcookie) != 0) {
+ zfs_close(zhp);
+ return 1;
+ }
+
+ if (type != ZFS_TYPE_FILESYSTEM) {
+ zfs_close(zhp);
+ return 0;
+ }
+
+ if (zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
+ sizeof (mountpoint), NULL, NULL, 0, B_FALSE) != 0) {
+ zfs_close(zhp);
+ return 0;
+ }
+
+ dataset = (char *)zfs_get_name(zhp);
+
+ if (dataset == NULL) {
+ zfs_close(zhp);
+ return 0;
+ }
+
+ if (!zfs_is_mounted(zhp, NULL)) {
+ zfs_close(zhp);
+ return 0;
+ }
+
+ if ((udata->proto == NULL || strcmp(udata->proto, "nfs") == 0) &&
+ zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
+ sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0 &&
+ strcmp(shareopts, "off") != 0) {
+ (void) process_share(udata->handle, NULL, mountpoint, NULL,
+ "nfs", shareopts, NULL, dataset, B_FALSE);
+ }
+
+ if ((udata->proto == NULL || strcmp(udata->proto, "smb") == 0) &&
+ zfs_prop_get(zhp, ZFS_PROP_SHARESMB, shareopts,
+ sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0 &&
+ strcmp(shareopts, "off") != 0) {
+ (void) process_share(udata->handle, NULL, mountpoint, NULL,
+ "smb", shareopts, NULL, dataset, B_FALSE);
+ }
+
+ zfs_close(zhp);
+
+ return 0;
+}
+
+static int
+update_zfs_share(sa_share_impl_t impl_share, const char *proto)
+{
+ sa_handle_impl_t impl_handle = impl_share->handle;
+ zfs_handle_t *zhp;
+ update_cookie_t udata;
+
+ if (impl_handle->zfs_libhandle == NULL)
+ return SA_SYSTEM_ERR;
+
+ assert(impl_share->dataset != NULL);
+
+ zhp = zfs_open(impl_share->handle->zfs_libhandle, impl_share->dataset,
+ ZFS_TYPE_FILESYSTEM);
+
+ if (zhp == NULL)
+ return SA_SYSTEM_ERR;
+
+ udata.handle = impl_handle;
+ udata.proto = proto;
+ (void) update_zfs_shares_cb(zhp, &udata);
+
+ return SA_OK;
+}
+
+static int
+update_zfs_shares(sa_handle_impl_t impl_handle, const char *proto)
+{
+ update_cookie_t udata;
+
+ if (impl_handle->zfs_libhandle == NULL)
+ return SA_SYSTEM_ERR;
+
+ udata.handle = impl_handle;
+ udata.proto = proto;
+ (void) zfs_iter_root(impl_handle->zfs_libhandle, update_zfs_shares_cb,
+ &udata);
+
+ return SA_OK;
+}
+
+static int
+process_share(sa_handle_impl_t impl_handle, sa_share_impl_t impl_share,
+ char *pathname, char *resource, char *proto,
+ char *options, char *description, char *dataset,
+ boolean_t from_sharetab)
+{
+ struct stat statbuf;
+ int rc;
+ char *resource_dup = NULL, *dataset_dup = NULL;
+ boolean_t new_share;
+ sa_fstype_t *fstype;
+
+ new_share = B_FALSE;
+
+ if (impl_share == NULL)
+ impl_share = find_share(impl_handle, pathname);
+
+ if (impl_share == NULL) {
+ if (lstat(pathname, &statbuf) != 0 ||
+ !S_ISDIR(statbuf.st_mode))
+ return SA_BAD_PATH;
+
+ impl_share = alloc_share(pathname);
+
+ if (impl_share == NULL) {
+ rc = SA_NO_MEMORY;
+ goto err;
+ }
+
+ new_share = B_TRUE;
+ }
+
+ if (dataset != NULL) {
+ dataset_dup = strdup(dataset);
+
+ if (dataset_dup == NULL) {
+ rc = SA_NO_MEMORY;
+ goto err;
+ }
+ }
+
+ free(impl_share->dataset);
+ impl_share->dataset = dataset_dup;
+
+ rc = SA_INVALID_PROTOCOL;
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (strcmp(fstype->name, proto) == 0) {
+ if (resource != NULL) {
+ resource_dup = strdup(resource);
+
+ if (resource_dup == NULL) {
+ rc = SA_NO_MEMORY;
+ goto err;
+ }
+ }
+
+ free(FSINFO(impl_share, fstype)->resource);
+ FSINFO(impl_share, fstype)->resource = resource_dup;
+
+ rc = fstype->ops->update_shareopts(impl_share,
+ resource, options);
+
+ if (rc == SA_OK && from_sharetab)
+ FSINFO(impl_share, fstype)->active = B_TRUE;
+
+ break;
+ }
+
+ fstype = fstype->next;
+ }
+
+ if (rc != SA_OK)
+ goto err;
+
+ if (new_share) {
+ impl_share->handle = impl_handle;
+
+ impl_share->next = impl_handle->shares;
+ impl_handle->shares = impl_share;
+
+ }
+
+err:
+ if (rc != SA_OK) {
+ if (new_share)
+ free_share(impl_share);
+ }
+
+ return rc;
+}
+
+void
+sa_fini(sa_handle_t handle)
+{
+ sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
+ sa_share_impl_t impl_share, next;
+ sa_share_impl_t *pcurr;
+
+ if (impl_handle == NULL)
+ return;
+
+ /*
+ * clean up shares which don't have a non-NULL dataset property,
+ * which means they're in sharetab but we couldn't find their
+ * ZFS dataset.
+ */
+ pcurr = &(impl_handle->shares);
+ impl_share = *pcurr;
+ while (impl_share != NULL) {
+ next = impl_share->next;
+
+ if (impl_share->dataset == NULL) {
+ /* remove item from the linked list */
+ *pcurr = next;
+
+ sa_disable_share(impl_share, NULL);
+
+ free_share(impl_share);
+ } else {
+ pcurr = &(impl_share->next);
+ }
+
+ impl_share = next;
+ }
+
+ update_sharetab(impl_handle);
+
+ if (impl_handle->zfs_libhandle != NULL)
+ libzfs_fini(impl_handle->zfs_libhandle);
+
+ impl_share = impl_handle->shares;
+ while (impl_share != NULL) {
+ next = impl_share->next;
+ free_share(impl_share);
+ impl_share = next;
+ }
+
+ free(impl_handle);
+}
+
+static sa_share_impl_t
+find_share(sa_handle_impl_t impl_handle, const char *sharepath)
+{
+ sa_share_impl_t impl_share;
+
+ impl_share = impl_handle->shares;
+ while (impl_share != NULL) {
+ if (strcmp(impl_share->sharepath, sharepath) == 0) {
+ break;
+ }
+
+ impl_share = impl_share->next;
+ }
+
+ return impl_share;
+}
+
+sa_share_t
+sa_find_share(sa_handle_t handle, char *sharepath)
+{
+ return (sa_share_t)find_share((sa_handle_impl_t)handle, sharepath);
+}
+
+int
+sa_enable_share(sa_share_t share, char *protocol)
+{
+ sa_share_impl_t impl_share = (sa_share_impl_t)share;
+ int rc, ret;
+ boolean_t found_protocol;
+ sa_fstype_t *fstype;
+
+#ifdef DEBUG
+ fprintf(stderr, "sa_enable_share: share->sharepath=%s, protocol=%s\n",
+ impl_share->sharepath, protocol);
+#endif
+
+ assert(impl_share->handle != NULL);
+
+ ret = SA_OK;
+ found_protocol = B_FALSE;
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (protocol == NULL || strcmp(fstype->name, protocol) == 0) {
+ update_zfs_share(impl_share, fstype->name);
+
+ rc = fstype->ops->enable_share(impl_share);
+
+ if (rc != SA_OK)
+ ret = rc;
+ else
+ FSINFO(impl_share, fstype)->active = B_TRUE;
+
+ found_protocol = B_TRUE;
+ }
+
+ fstype = fstype->next;
+ }
+
+ update_sharetab(impl_share->handle);
+
+ return (found_protocol ? ret : SA_INVALID_PROTOCOL);
+}
+
+int
+sa_disable_share(sa_share_t share, char *protocol)
+{
+ sa_share_impl_t impl_share = (sa_share_impl_t)share;
+ int rc, ret;
+ boolean_t found_protocol;
+ sa_fstype_t *fstype;
+
+#ifdef DEBUG
+ fprintf(stderr, "sa_disable_share: share->sharepath=%s, protocol=%s\n",
+ impl_share->sharepath, protocol);
+#endif
+
+ ret = SA_OK;
+ found_protocol = B_FALSE;
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (protocol == NULL || strcmp(fstype->name, protocol) == 0) {
+ rc = fstype->ops->disable_share(impl_share);
+
+ if (rc == SA_OK) {
+ fstype->ops->clear_shareopts(impl_share);
+
+ FSINFO(impl_share, fstype)->active = B_FALSE;
+ } else
+ ret = rc;
+
+ found_protocol = B_TRUE;
+ }
+
+ fstype = fstype->next;
+ }
+
+ update_sharetab(impl_share->handle);
+
+ return (found_protocol ? ret : SA_INVALID_PROTOCOL);
+}
+
+/*
+ * sa_errorstr(err)
+ *
+ * convert an error value to an error string
+ */
+char *
+sa_errorstr(int err)
+{
+ static char errstr[32];
+ char *ret = NULL;
+
+ switch (err) {
+ case SA_OK:
+ ret = dgettext(TEXT_DOMAIN, "ok");
+ break;
+ case SA_NO_SUCH_PATH:
+ ret = dgettext(TEXT_DOMAIN, "path doesn't exist");
+ break;
+ case SA_NO_MEMORY:
+ ret = dgettext(TEXT_DOMAIN, "no memory");
+ break;
+ case SA_DUPLICATE_NAME:
+ ret = dgettext(TEXT_DOMAIN, "name in use");
+ break;
+ case SA_BAD_PATH:
+ ret = dgettext(TEXT_DOMAIN, "bad path");
+ break;
+ case SA_NO_SUCH_GROUP:
+ ret = dgettext(TEXT_DOMAIN, "no such group");
+ break;
+ case SA_CONFIG_ERR:
+ ret = dgettext(TEXT_DOMAIN, "configuration error");
+ break;
+ case SA_SYSTEM_ERR:
+ ret = dgettext(TEXT_DOMAIN, "system error");
+ break;
+ case SA_SYNTAX_ERR:
+ ret = dgettext(TEXT_DOMAIN, "syntax error");
+ break;
+ case SA_NO_PERMISSION:
+ ret = dgettext(TEXT_DOMAIN, "no permission");
+ break;
+ case SA_BUSY:
+ ret = dgettext(TEXT_DOMAIN, "busy");
+ break;
+ case SA_NO_SUCH_PROP:
+ ret = dgettext(TEXT_DOMAIN, "no such property");
+ break;
+ case SA_INVALID_NAME:
+ ret = dgettext(TEXT_DOMAIN, "invalid name");
+ break;
+ case SA_INVALID_PROTOCOL:
+ ret = dgettext(TEXT_DOMAIN, "invalid protocol");
+ break;
+ case SA_NOT_ALLOWED:
+ ret = dgettext(TEXT_DOMAIN, "operation not allowed");
+ break;
+ case SA_BAD_VALUE:
+ ret = dgettext(TEXT_DOMAIN, "bad property value");
+ break;
+ case SA_INVALID_SECURITY:
+ ret = dgettext(TEXT_DOMAIN, "invalid security type");
+ break;
+ case SA_NO_SUCH_SECURITY:
+ ret = dgettext(TEXT_DOMAIN, "security type not found");
+ break;
+ case SA_VALUE_CONFLICT:
+ ret = dgettext(TEXT_DOMAIN, "property value conflict");
+ break;
+ case SA_NOT_IMPLEMENTED:
+ ret = dgettext(TEXT_DOMAIN, "not implemented");
+ break;
+ case SA_INVALID_PATH:
+ ret = dgettext(TEXT_DOMAIN, "invalid path");
+ break;
+ case SA_NOT_SUPPORTED:
+ ret = dgettext(TEXT_DOMAIN, "operation not supported");
+ break;
+ case SA_PROP_SHARE_ONLY:
+ ret = dgettext(TEXT_DOMAIN, "property not valid for group");
+ break;
+ case SA_NOT_SHARED:
+ ret = dgettext(TEXT_DOMAIN, "not shared");
+ break;
+ case SA_NO_SUCH_RESOURCE:
+ ret = dgettext(TEXT_DOMAIN, "no such resource");
+ break;
+ case SA_RESOURCE_REQUIRED:
+ ret = dgettext(TEXT_DOMAIN, "resource name required");
+ break;
+ case SA_MULTIPLE_ERROR:
+ ret = dgettext(TEXT_DOMAIN, "errors from multiple protocols");
+ break;
+ case SA_PATH_IS_SUBDIR:
+ ret = dgettext(TEXT_DOMAIN, "path is a subpath of share");
+ break;
+ case SA_PATH_IS_PARENTDIR:
+ ret = dgettext(TEXT_DOMAIN, "path is parent of a share");
+ break;
+ case SA_NO_SECTION:
+ ret = dgettext(TEXT_DOMAIN, "protocol requires a section");
+ break;
+ case SA_NO_PROPERTIES:
+ ret = dgettext(TEXT_DOMAIN, "properties not found");
+ break;
+ case SA_NO_SUCH_SECTION:
+ ret = dgettext(TEXT_DOMAIN, "section not found");
+ break;
+ case SA_PASSWORD_ENC:
+ ret = dgettext(TEXT_DOMAIN, "passwords must be encrypted");
+ break;
+ case SA_SHARE_EXISTS:
+ ret = dgettext(TEXT_DOMAIN, "path or file is already shared");
+ break;
+ default:
+ (void) snprintf(errstr, sizeof (errstr),
+ dgettext(TEXT_DOMAIN, "unknown %d"), err);
+ ret = errstr;
+ }
+ return (ret);
+}
+
+int
+sa_parse_legacy_options(sa_group_t group, char *options, char *proto)
+{
+ sa_fstype_t *fstype;
+
+#ifdef DEBUG
+ fprintf(stderr, "sa_parse_legacy_options: options=%s, proto=%s\n",
+ options, proto);
+#endif
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (strcmp(fstype->name, proto) != 0) {
+ fstype = fstype->next;
+ continue;
+ }
+
+ return fstype->ops->validate_shareopts(options);
+ }
+
+ return SA_INVALID_PROTOCOL;
+}
+
+boolean_t
+sa_needs_refresh(sa_handle_t handle)
+{
+ return B_TRUE;
+}
+
+libzfs_handle_t *
+sa_get_zfs_handle(sa_handle_t handle)
+{
+ sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
+
+ if (impl_handle == NULL)
+ return NULL;
+
+ return impl_handle->zfs_libhandle;
+}
+
+static sa_share_impl_t
+alloc_share(const char *sharepath)
+{
+ sa_share_impl_t impl_share;
+
+ impl_share = calloc(sizeof (struct sa_share_impl), 1);
+
+ if (impl_share == NULL)
+ return NULL;
+
+ impl_share->sharepath = strdup(sharepath);
+
+ if (impl_share->sharepath == NULL) {
+ free(impl_share);
+ return NULL;
+ }
+
+ impl_share->fsinfo = calloc(sizeof (sa_share_fsinfo_t), fstypes_count);
+
+ if (impl_share->fsinfo == NULL) {
+ free(impl_share->sharepath);
+ free(impl_share);
+ return NULL;
+ }
+
+ return impl_share;
+}
+
+static void
+free_share(sa_share_impl_t impl_share) {
+ sa_fstype_t *fstype;
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ fstype->ops->clear_shareopts(impl_share);
+
+ free(FSINFO(impl_share, fstype)->resource);
+
+ fstype = fstype->next;
+ }
+
+ free(impl_share->sharepath);
+ free(impl_share->dataset);
+ free(impl_share->fsinfo);
+ free(impl_share);
+}
+
+int
+sa_zfs_process_share(sa_handle_t handle, sa_group_t group, sa_share_t share,
+ char *mountpoint, char *proto, zprop_source_t source, char *shareopts,
+ char *sourcestr, char *dataset)
+{
+ sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
+ sa_share_impl_t impl_share = (sa_share_impl_t)share;
+
+#ifdef DEBUG
+ fprintf(stderr, "sa_zfs_process_share: mountpoint=%s, proto=%s, "
+ "shareopts=%s, sourcestr=%s, dataset=%s\n", mountpoint, proto,
+ shareopts, sourcestr, dataset);
+#endif
+
+ return process_share(impl_handle, impl_share, mountpoint, NULL,
+ proto, shareopts, NULL, dataset, B_FALSE);
+}
+
+void
+sa_update_sharetab_ts(sa_handle_t handle)
+{
+ sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
+
+ update_sharetab(impl_handle);
+}
diff --git a/lib/libshare/libshare_impl.h b/lib/libshare/libshare_impl.h
new file mode 100644
index 000000000..dfcec2ff9
--- /dev/null
+++ b/lib/libshare/libshare_impl.h
@@ -0,0 +1,70 @@
+/*
+ * 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 (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011 Gunnar Beutner
+ */
+
+struct sa_handle_impl;
+
+typedef struct sa_share_fsinfo {
+ boolean_t active;
+ char *resource;
+ char *shareopts;
+} sa_share_fsinfo_t;
+
+typedef struct sa_share_impl {
+ struct sa_share_impl *next;
+
+ struct sa_handle_impl *handle;
+
+ char *sharepath;
+ char *dataset;
+
+ sa_share_fsinfo_t *fsinfo; /* per-fstype information */
+} *sa_share_impl_t;
+
+#define FSINFO(impl_share, fstype) (&(impl_share->fsinfo[fstype->fsinfo_index]))
+
+typedef struct sa_share_ops {
+ int (*enable_share)(sa_share_impl_t share);
+ int (*disable_share)(sa_share_impl_t share);
+ int (*validate_shareopts)(const char *shareopts);
+ int (*update_shareopts)(sa_share_impl_t impl_share,
+ const char *resource, const char *shareopts);
+ void (*clear_shareopts)(sa_share_impl_t impl_share);
+} sa_share_ops_t;
+
+typedef struct sa_fstype {
+ struct sa_fstype *next;
+
+ const char *name;
+ const sa_share_ops_t *ops;
+ int fsinfo_index;
+} sa_fstype_t;
+
+typedef struct sa_handle_impl {
+ libzfs_handle_t *zfs_libhandle;
+ sa_share_impl_t shares;
+} *sa_handle_impl_t;
+
+sa_fstype_t *register_fstype(const char *name, const sa_share_ops_t *ops);
diff --git a/lib/libshare/nfs.c b/lib/libshare/nfs.c
new file mode 100644
index 000000000..60edaa2c3
--- /dev/null
+++ b/lib/libshare/nfs.c
@@ -0,0 +1,705 @@
+/*
+ * 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 (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011 Gunnar Beutner
+ */
+
+#include <stdio.h>
+#include <strings.h>
+#include <fcntl.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <libzfs.h>
+#include <libshare.h>
+#include "libshare_impl.h"
+
+static sa_fstype_t *nfs_fstype;
+static boolean_t nfs_available;
+
+typedef int (*nfs_shareopt_callback_t)(const char *opt, const char *value,
+ void *cookie);
+
+typedef int (*nfs_host_callback_t)(const char *sharepath, const char *host,
+ const char *security, const char *access, void *cookie);
+
+static int
+foreach_nfs_shareopt(const char *shareopts,
+ nfs_shareopt_callback_t callback, void *cookie)
+{
+ char *shareopts_dup, *opt, *cur, *value;
+ int was_nul, rc;
+
+ if (shareopts == NULL)
+ return SA_OK;
+
+ shareopts_dup = strdup(shareopts);
+
+ if (shareopts_dup == NULL)
+ return SA_NO_MEMORY;
+
+ opt = shareopts_dup;
+ was_nul = 0;
+
+ while (1) {
+ cur = opt;
+
+ while (*cur != ',' && *cur != '\0')
+ cur++;
+
+ if (*cur == '\0')
+ was_nul = 1;
+
+ *cur = '\0';
+
+ if (cur > opt) {
+ value = strchr(opt, '=');
+
+ if (value != NULL) {
+ *value = '\0';
+ value++;
+ }
+
+ rc = callback(opt, value, cookie);
+
+ if (rc != SA_OK) {
+ free(shareopts_dup);
+ return rc;
+ }
+ }
+
+ opt = cur + 1;
+
+ if (was_nul)
+ break;
+ }
+
+ free(shareopts_dup);
+
+ return 0;
+}
+
+typedef struct nfs_host_cookie_s {
+ nfs_host_callback_t callback;
+ const char *sharepath;
+ void *cookie;
+ const char *security;
+} nfs_host_cookie_t;
+
+static int
+foreach_nfs_host_cb(const char *opt, const char *value, void *pcookie)
+{
+ int rc;
+ const char *access;
+ char *host_dup, *host, *next;
+ nfs_host_cookie_t *udata = (nfs_host_cookie_t *)pcookie;
+
+#ifdef DEBUG
+ fprintf(stderr, "foreach_nfs_host_cb: key=%s, value=%s\n", opt, value);
+#endif
+
+ if (strcmp(opt, "sec") == 0)
+ udata->security = value;
+
+ if (strcmp(opt, "rw") == 0 || strcmp(opt, "ro") == 0) {
+ if (value == NULL)
+ value = "*";
+
+ access = opt;
+
+ host_dup = strdup(value);
+
+ if (host_dup == NULL)
+ return SA_NO_MEMORY;
+
+ host = host_dup;
+
+ do {
+ next = strchr(host, ':');
+ if (next != NULL) {
+ *next = '\0';
+ next++;
+ }
+
+ rc = udata->callback(udata->sharepath, host,
+ udata->security, access, udata->cookie);
+
+ if (rc != SA_OK) {
+ free(host_dup);
+
+ return rc;
+ }
+
+ host = next;
+ } while (host != NULL);
+
+ free(host_dup);
+ }
+
+ return SA_OK;
+}
+
+static int
+foreach_nfs_host(sa_share_impl_t impl_share, nfs_host_callback_t callback,
+ void *cookie)
+{
+ nfs_host_cookie_t udata;
+ char *shareopts;
+
+ udata.callback = callback;
+ udata.sharepath = impl_share->sharepath;
+ udata.cookie = cookie;
+ udata.security = "sys";
+
+ shareopts = FSINFO(impl_share, nfs_fstype)->shareopts;
+
+ return foreach_nfs_shareopt(shareopts, foreach_nfs_host_cb,
+ &udata);
+}
+
+static int
+get_linux_hostspec(const char *solaris_hostspec, char **plinux_hostspec)
+{
+ /*
+ * For now we just support CIDR masks (e.g. @192.168.0.0/16) and host
+ * wildcards (e.g. *.example.org).
+ */
+ if (solaris_hostspec[0] == '@') {
+ /*
+ * Solaris host specifier, e.g. @192.168.0.0/16; we just need
+ * to skip the @ in this case
+ */
+ *plinux_hostspec = strdup(solaris_hostspec + 1);
+ } else {
+ *plinux_hostspec = strdup(solaris_hostspec);
+ }
+
+ if (*plinux_hostspec == NULL) {
+ return SA_NO_MEMORY;
+ }
+
+ return SA_OK;
+}
+
+static int
+nfs_enable_share_one(const char *sharepath, const char *host,
+ const char *security, const char *access, void *pcookie)
+{
+ pid_t pid;
+ int rc, status;
+ char *linuxhost, *hostpath, *opts;
+ const char *linux_opts = (const char *)pcookie;
+
+ pid = fork();
+
+ if (pid < 0)
+ return SA_SYSTEM_ERR;
+
+ if (pid > 0) {
+ while ((rc = waitpid(pid, &status, 0)) <= 0 && errno == EINTR)
+ ; /* empty loop body */
+
+ if (rc <= 0)
+ return SA_SYSTEM_ERR;
+
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ return SA_CONFIG_ERR;
+
+ return SA_OK;
+ }
+
+ /* child */
+
+ /* exportfs -i -o sec=XX,rX,<opts> <host>:<sharepath> */
+
+ rc = get_linux_hostspec(host, &linuxhost);
+
+ if (rc < 0)
+ exit(1);
+
+ hostpath = malloc(strlen(linuxhost) + 1 + strlen(sharepath) + 1);
+
+ if (hostpath == NULL) {
+ free(linuxhost);
+
+ exit(1);
+ }
+
+ sprintf(hostpath, "%s:%s", linuxhost, sharepath);
+
+ free(linuxhost);
+
+ if (linux_opts == NULL)
+ linux_opts = "";
+
+ opts = malloc(4 + strlen(security) + 4 + strlen(linux_opts) + 1);
+
+ if (opts == NULL)
+ exit(1);
+
+ sprintf(opts, "sec=%s,%s,%s", security, access, linux_opts);
+
+#ifdef DEBUG
+ fprintf(stderr, "sharing %s with opts %s\n", hostpath, opts);
+#endif
+
+ rc = execlp("/usr/sbin/exportfs", "exportfs", "-i", \
+ "-o", opts, hostpath, NULL);
+
+ if (rc < 0) {
+ free(hostpath);
+ free(opts);
+ exit(1);
+ }
+
+ exit(0);
+}
+
+static int
+add_linux_shareopt(char **plinux_opts, const char *key, const char *value)
+{
+ size_t len = 0;
+ char *new_linux_opts;
+
+ if (*plinux_opts != NULL)
+ len = strlen(*plinux_opts);
+
+ new_linux_opts = realloc(*plinux_opts, len + 1 + strlen(key) +
+ (value ? 1 + strlen(value) : 0) + 1);
+
+ if (new_linux_opts == NULL)
+ return SA_NO_MEMORY;
+
+ new_linux_opts[len] = '\0';
+
+ if (len > 0)
+ strcat(new_linux_opts, ",");
+
+ strcat(new_linux_opts, key);
+
+ if (value != NULL) {
+ strcat(new_linux_opts, "=");
+ strcat(new_linux_opts, value);
+ }
+
+ *plinux_opts = new_linux_opts;
+
+ return SA_OK;
+}
+
+static int
+get_linux_shareopts_cb(const char *key, const char *value, void *cookie)
+{
+ char **plinux_opts = (char **)cookie;
+
+ /* host-specific options, these are taken care of elsewhere */
+ if (strcmp(key, "ro") == 0 || strcmp(key, "rw") == 0 ||
+ strcmp(key, "sec") == 0)
+ return SA_OK;
+
+ if (strcmp(key, "anon") == 0)
+ key = "anonuid";
+
+ if (strcmp(key, "root_mapping") == 0) {
+ (void) add_linux_shareopt(plinux_opts, "root_squash", NULL);
+ key = "anonuid";
+ }
+
+ if (strcmp(key, "nosub") == 0)
+ key = "subtree_check";
+
+ if (strcmp(key, "insecure") != 0 && strcmp(key, "secure") != 0 &&
+ strcmp(key, "async") != 0 && strcmp(key, "sync") != 0 &&
+ strcmp(key, "no_wdelay") != 0 && strcmp(key, "wdelay") != 0 &&
+ strcmp(key, "nohide") != 0 && strcmp(key, "hide") != 0 &&
+ strcmp(key, "crossmnt") != 0 &&
+ strcmp(key, "no_subtree_check") != 0 &&
+ strcmp(key, "subtree_check") != 0 &&
+ strcmp(key, "insecure_locks") != 0 &&
+ strcmp(key, "secure_locks") != 0 &&
+ strcmp(key, "no_auth_nlm") != 0 && strcmp(key, "auth_nlm") != 0 &&
+ strcmp(key, "no_acl") != 0 && strcmp(key, "mountpoint") != 0 &&
+ strcmp(key, "mp") != 0 && strcmp(key, "fsuid") != 0 &&
+ strcmp(key, "refer") != 0 && strcmp(key, "replicas") != 0 &&
+ strcmp(key, "root_squash") != 0 &&
+ strcmp(key, "no_root_squash") != 0 &&
+ strcmp(key, "all_squash") != 0 &&
+ strcmp(key, "no_all_squash") != 0 &&
+ strcmp(key, "anonuid") != 0 && strcmp(key, "anongid") != 0) {
+ return SA_SYNTAX_ERR;
+ }
+
+ (void) add_linux_shareopt(plinux_opts, key, value);
+
+ return SA_OK;
+}
+
+static int
+get_linux_shareopts(const char *shareopts, char **plinux_opts)
+{
+ int rc;
+
+ assert(plinux_opts != NULL);
+
+ *plinux_opts = NULL;
+
+ /* default options for Solaris shares */
+ (void) add_linux_shareopt(plinux_opts, "no_subtree_check", NULL);
+ (void) add_linux_shareopt(plinux_opts, "no_root_squash", NULL);
+ (void) add_linux_shareopt(plinux_opts, "mountpoint", NULL);
+
+ rc = foreach_nfs_shareopt(shareopts, get_linux_shareopts_cb, plinux_opts);
+
+ if (rc != SA_OK) {
+ free(*plinux_opts);
+ *plinux_opts = NULL;
+ }
+
+ return rc;
+}
+
+static int
+nfs_enable_share(sa_share_impl_t impl_share)
+{
+ char *shareopts, *linux_opts;
+ int rc;
+
+ if (!nfs_available) {
+ return SA_SYSTEM_ERR;
+ }
+
+ shareopts = FSINFO(impl_share, nfs_fstype)->shareopts;
+
+ if (shareopts == NULL)
+ return SA_OK;
+
+ rc = get_linux_shareopts(shareopts, &linux_opts);
+
+ if (rc != SA_OK)
+ return rc;
+
+ rc = foreach_nfs_host(impl_share, nfs_enable_share_one, linux_opts);
+
+ free(linux_opts);
+
+ return rc;
+}
+
+static int
+nfs_disable_share_one(const char *sharepath, const char *host,
+ const char *security, const char *access, void *cookie)
+{
+ pid_t pid;
+ int rc, status;
+ char *linuxhost, *hostpath;
+
+ pid = fork();
+
+ if (pid < 0)
+ return SA_SYSTEM_ERR;
+
+ if (pid > 0) {
+ while ((rc = waitpid(pid, &status, 0)) <= 0 && errno == EINTR)
+ ; /* empty loop body */
+
+ if (rc <= 0)
+ return SA_SYSTEM_ERR;
+
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ return SA_CONFIG_ERR;
+
+ return SA_OK;
+ }
+
+ /* child */
+
+ rc = get_linux_hostspec(host, &linuxhost);
+
+ if (rc < 0)
+ exit(1);
+
+ hostpath = malloc(strlen(linuxhost) + 1 + strlen(sharepath) + 1);
+
+ if (hostpath == NULL) {
+ free(linuxhost);
+ exit(1);
+ }
+
+ sprintf(hostpath, "%s:%s", linuxhost, sharepath);
+
+ free(linuxhost);
+
+#ifdef DEBUG
+ fprintf(stderr, "unsharing %s\n", hostpath);
+#endif
+
+ rc = execlp("/usr/sbin/exportfs", "exportfs", "-u", \
+ hostpath, NULL);
+
+ if (rc < 0) {
+ free(hostpath);
+ exit(1);
+ }
+
+ exit(0);
+}
+
+static int
+nfs_disable_share(sa_share_impl_t impl_share)
+{
+ if (!nfs_available) {
+ /*
+ * The share can't possibly be active, so nothing
+ * needs to be done to disable it.
+ */
+ return SA_OK;
+ }
+
+ return foreach_nfs_host(impl_share, nfs_disable_share_one, NULL);
+}
+
+static int
+nfs_validate_shareopts(const char *shareopts)
+{
+ char *linux_opts;
+ int rc;
+
+ rc = get_linux_shareopts(shareopts, &linux_opts);
+
+ if (rc != SA_OK)
+ return rc;
+
+ free(linux_opts);
+
+ return SA_OK;
+}
+
+/*
+ * TODO: Rather than invoking "exportfs -v" once for each share we should only
+ * call it once for all shares.
+ */
+static boolean_t
+is_share_active(sa_share_impl_t impl_share)
+{
+ pid_t pid;
+ int rc, status;
+ int pipes[2];
+ FILE *exportfs_stdout;
+ char line[512];
+ char *tab, *cur;
+ boolean_t share_active = B_FALSE;
+
+ if (pipe(pipes) < 0)
+ return B_FALSE;
+
+ pid = fork();
+
+ if (pid < 0)
+ return B_FALSE;
+
+ if (pid > 0) {
+ share_active = B_FALSE;
+
+ exportfs_stdout = fdopen(pipes[0], "r");
+ close(pipes[1]);
+
+ while (fgets(line, sizeof(line), exportfs_stdout) != NULL) {
+ if (share_active)
+ continue;
+
+ /*
+ * exportfs uses separate lines for the share path
+ * and the export options when the share path is longer
+ * than a certain amount of characters; this ignores
+ * the option lines
+ */
+ if (line[0] == '\t')
+ continue;
+
+ tab = strchr(line, '\t');
+
+ if (tab != NULL) {
+ *tab = '\0';
+ cur = tab - 1;
+ } else {
+ /*
+ * there's no tab character, which means the
+ * NFS options are on a separate line; we just
+ * need to remove the new-line character
+ * at the end of the line
+ */
+ cur = line + strlen(line) - 1;
+ }
+
+ /* remove trailing spaces and new-line characters */
+ while (cur >= line &&
+ (*cur == ' ' || *cur == '\n'))
+ *cur-- = '\0';
+
+ if (strcmp(line, impl_share->sharepath) == 0) {
+ share_active = B_TRUE;
+
+ /*
+ * We can't break here just yet, otherwise
+ * exportfs might die due to write() failing
+ * with EPIPE once we've closed the pipe file
+ * descriptor - we need to read until EOF
+ * occurs on the stdout pipe.
+ */
+ }
+ }
+
+ fclose(exportfs_stdout);
+
+ while ((rc = waitpid(pid, &status, 0)) <= 0 && errno == EINTR)
+ ; /* empty loop body */
+
+ if (rc <= 0)
+ return B_FALSE;
+
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ return B_FALSE;
+
+ return share_active;
+ }
+
+ /* child */
+
+ /* exportfs -v */
+
+ close(pipes[0]);
+
+ if (dup2(pipes[1], STDOUT_FILENO) < 0)
+ exit(1);
+
+ rc = execlp("/usr/sbin/exportfs", "exportfs", "-v", NULL);
+
+ if (rc < 0) {
+ exit(1);
+ }
+
+ exit(0);
+}
+
+static int
+nfs_update_shareopts(sa_share_impl_t impl_share, const char *resource,
+ const char *shareopts)
+{
+ char *shareopts_dup;
+ boolean_t needs_reshare = B_FALSE;
+ char *old_shareopts;
+
+ FSINFO(impl_share, nfs_fstype)->active = is_share_active(impl_share);
+
+ old_shareopts = FSINFO(impl_share, nfs_fstype)->shareopts;
+
+ if (strcmp(shareopts, "on") == 0)
+ shareopts = "rw";
+
+ if (FSINFO(impl_share, nfs_fstype)->active && old_shareopts != NULL &&
+ strcmp(old_shareopts, shareopts) != 0) {
+ needs_reshare = B_TRUE;
+ nfs_disable_share(impl_share);
+ }
+
+ shareopts_dup = strdup(shareopts);
+
+ if (shareopts_dup == NULL)
+ return SA_NO_MEMORY;
+
+ if (old_shareopts != NULL)
+ free(old_shareopts);
+
+ FSINFO(impl_share, nfs_fstype)->shareopts = shareopts_dup;
+
+ if (needs_reshare)
+ nfs_enable_share(impl_share);
+
+ return SA_OK;
+}
+
+
+static void
+nfs_clear_shareopts(sa_share_impl_t impl_share)
+{
+ free(FSINFO(impl_share, nfs_fstype)->shareopts);
+ FSINFO(impl_share, nfs_fstype)->shareopts = NULL;
+}
+
+static const sa_share_ops_t nfs_shareops = {
+ .enable_share = nfs_enable_share,
+ .disable_share = nfs_disable_share,
+
+ .validate_shareopts = nfs_validate_shareopts,
+ .update_shareopts = nfs_update_shareopts,
+ .clear_shareopts = nfs_clear_shareopts,
+};
+
+static int
+nfs_check_exportfs(void)
+{
+ pid_t pid;
+ int rc, status, null_fd;
+
+ pid = fork();
+
+ if (pid < 0)
+ return SA_SYSTEM_ERR;
+
+ if (pid > 0) {
+ while ((rc = waitpid(pid, &status, 0)) <= 0 && errno == EINTR)
+ ; /* empty loop body */
+
+ if (rc <= 0)
+ return SA_SYSTEM_ERR;
+
+ if (!WIFEXITED(status) || WEXITSTATUS(status) != 0)
+ return SA_CONFIG_ERR;
+
+ return SA_OK;
+ }
+
+ /* child */
+
+ null_fd = open("/dev/null", O_RDONLY);
+
+ if (null_fd < 0 || dup2(null_fd, 1) < 0 || dup2(null_fd, 2) < 0)
+ exit(1);
+
+ close(null_fd);
+
+ rc = execlp("/usr/sbin/exportfs", "exportfs", NULL);
+
+ if (rc < 0) {
+ exit(1);
+ }
+
+ exit(0);
+}
+
+void
+libshare_nfs_init(void)
+{
+ nfs_available = (nfs_check_exportfs() == SA_OK);
+
+ nfs_fstype = register_fstype("nfs", &nfs_shareops);
+}
diff --git a/lib/libshare/nfs.h b/lib/libshare/nfs.h
new file mode 100644
index 000000000..b9ea6ee2f
--- /dev/null
+++ b/lib/libshare/nfs.h
@@ -0,0 +1,27 @@
+/*
+ * 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 (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011 Gunnar Beutner
+ */
+
+void libshare_nfs_init(void);
diff --git a/lib/libspl/include/libshare.h b/lib/libspl/include/libshare.h
index f1fbfad2b..a35bfacd7 100644
--- a/lib/libspl/include/libshare.h
+++ b/lib/libspl/include/libshare.h
@@ -34,9 +34,63 @@ typedef void *sa_share_t;
#define SA_INIT_SHARE_API 0x0001 /* init share specific interface */
#define SA_INIT_CONTROL_API 0x0002 /* init control specific interface */
-/* Error values */
+/*
+ * defined error values
+ */
+
#define SA_OK 0
+#define SA_NO_SUCH_PATH 1 /* provided path doesn't exist */
#define SA_NO_MEMORY 2 /* no memory for data structures */
+#define SA_DUPLICATE_NAME 3 /* object name is already in use */
+#define SA_BAD_PATH 4 /* not a full path */
+#define SA_NO_SUCH_GROUP 5 /* group is not defined */
#define SA_CONFIG_ERR 6 /* system configuration error */
+#define SA_SYSTEM_ERR 7 /* system error, use errno */
+#define SA_SYNTAX_ERR 8 /* syntax error on command line */
+#define SA_NO_PERMISSION 9 /* no permission for operation */
+#define SA_BUSY 10 /* resource is busy */
+#define SA_NO_SUCH_PROP 11 /* property doesn't exist */
+#define SA_INVALID_NAME 12 /* name of object is invalid */
+#define SA_INVALID_PROTOCOL 13 /* specified protocol not valid */
+#define SA_NOT_ALLOWED 14 /* operation not allowed */
+#define SA_BAD_VALUE 15 /* bad value for property */
+#define SA_INVALID_SECURITY 16 /* invalid security type */
+#define SA_NO_SUCH_SECURITY 17 /* security set not found */
+#define SA_VALUE_CONFLICT 18 /* property value conflict */
+#define SA_NOT_IMPLEMENTED 19 /* plugin interface not implemented */
+#define SA_INVALID_PATH 20 /* path is sub-dir of existing share */
+#define SA_NOT_SUPPORTED 21 /* operation not supported for proto */
+#define SA_PROP_SHARE_ONLY 22 /* property valid on share only */
+#define SA_NOT_SHARED 23 /* path is not shared */
+#define SA_NO_SUCH_RESOURCE 24 /* resource not found */
+#define SA_RESOURCE_REQUIRED 25 /* resource name is required */
+#define SA_MULTIPLE_ERROR 26 /* multiple protocols reported error */
+#define SA_PATH_IS_SUBDIR 27 /* check_path found path is subdir */
+#define SA_PATH_IS_PARENTDIR 28 /* check_path found path is parent */
+#define SA_NO_SECTION 29 /* protocol requires section info */
+#define SA_NO_SUCH_SECTION 30 /* no section found */
+#define SA_NO_PROPERTIES 31 /* no properties found */
+#define SA_PASSWORD_ENC 32 /* passwords must be encrypted */
+#define SA_SHARE_EXISTS 33 /* path or file is already shared */
+
+/* initialization */
+extern sa_handle_t sa_init(int);
+extern void sa_fini(sa_handle_t);
+extern char *sa_errorstr(int);
+
+/* share control */
+extern sa_share_t sa_find_share(sa_handle_t, char *);
+extern int sa_enable_share(sa_group_t, char *);
+extern int sa_disable_share(sa_share_t, char *);
+
+/* protocol specific interfaces */
+extern int sa_parse_legacy_options(sa_group_t, char *, char *);
+
+/* ZFS functions */
+extern boolean_t sa_needs_refresh(sa_handle_t handle);
+libzfs_handle_t *sa_get_zfs_handle(sa_handle_t handle);
+extern int sa_zfs_process_share(sa_handle_t handle, sa_group_t group,
+ sa_share_t share, char *mountpoint, char *proto, zprop_source_t source,
+ char *shareopts, char *sourcestr, char *dataset);
#endif /* _LIBSPL_LIBSHARE_H */
diff --git a/lib/libzfs/libzfs_mount.c b/lib/libzfs/libzfs_mount.c
index 6b70cbbec..7b9cd8078 100644
--- a/lib/libzfs/libzfs_mount.c
+++ b/lib/libzfs/libzfs_mount.c
@@ -117,21 +117,20 @@ zfs_share_proto_t share_all_proto[] = {
};
/*
- * Search for NFS and SMB exports for the given mountpoint and protocol, returning
+ * Search the sharetab for the given mountpoint and protocol, returning
* a zfs_share_type_t value.
*/
static zfs_share_type_t
is_shared(libzfs_handle_t *hdl, const char *mountpoint, zfs_share_proto_t proto)
{
char buf[MAXPATHLEN], *tab;
+ char *ptr;
if (hdl->libzfs_sharetab == NULL)
return (SHARED_NOT_SHARED);
(void) fseek(hdl->libzfs_sharetab, 0, SEEK_SET);
- /* Search /etc/exports for NFS exports */
- /* FIXME: Assumes the file is tab delimited. */
while (fgets(buf, sizeof (buf), hdl->libzfs_sharetab) != NULL) {
/* the mountpoint is the first entry on each line */
@@ -140,15 +139,31 @@ is_shared(libzfs_handle_t *hdl, const char *mountpoint, zfs_share_proto_t proto)
*tab = '\0';
if (strcmp(buf, mountpoint) == 0) {
- if (proto == PROTO_NFS)
- return (SHARED_NFS);
- else
- return (SHARED_NOT_SHARED);
+ /*
+ * the protocol field is the third field
+ * skip over second field
+ */
+ ptr = ++tab;
+ if ((tab = strchr(ptr, '\t')) == NULL)
+ continue;
+ ptr = ++tab;
+ if ((tab = strchr(ptr, '\t')) == NULL)
+ continue;
+ *tab = '\0';
+ if (strcmp(ptr,
+ proto_table[proto].p_name) == 0) {
+ switch (proto) {
+ case PROTO_NFS:
+ return (SHARED_NFS);
+ case PROTO_SMB:
+ return (SHARED_SMB);
+ default:
+ return (0);
+ }
+ }
}
}
- /* XXX: Search /etc/samba/smb.conf for SMB exports, return SHARED_SMB */
-
return (SHARED_NOT_SHARED);
}
@@ -665,12 +680,12 @@ _zfs_init_libshare(void)
char path[MAXPATHLEN];
char isa[MAXISALEN];
-#if defined(_LP64)
+/*#if defined(_LP64)
if (sysinfo(SI_ARCHITECTURE_64, isa, MAXISALEN) == -1)
isa[0] = '\0';
-#else
+#else*/
isa[0] = '\0';
-#endif
+/*#endif*/
(void) snprintf(path, MAXPATHLEN,
"/usr/lib/%s/libshare.so.1", isa);
@@ -854,14 +869,11 @@ zfs_share_proto(zfs_handle_t *zhp, zfs_share_proto_t *proto)
return (0);
if ((ret = zfs_init_libshare(hdl, SA_INIT_SHARE_API)) != SA_OK) {
-#ifdef HAVE_SHARE
(void) zfs_error_fmt(hdl, EZFS_SHARENFSFAILED,
dgettext(TEXT_DOMAIN, "cannot share '%s': %s"),
zfs_get_name(zhp), _sa_errorstr != NULL ?
_sa_errorstr(ret) : "");
return (-1);
-#endif /* HAVE_SHARE */
- return (0);
}
for (curr_proto = proto; *curr_proto != PROTO_END; curr_proto++) {
diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c
index b50f02383..efb6bf5e7 100644
--- a/module/zfs/zfs_ioctl.c
+++ b/module/zfs/zfs_ioctl.c
@@ -4152,143 +4152,10 @@ zfs_ioc_userspace_upgrade(zfs_cmd_t *zc)
return (error);
}
-/*
- * We don't want to have a hard dependency
- * against some special symbols in sharefs
- * nfs, and smbsrv. Determine them if needed when
- * the first file system is shared.
- * Neither sharefs, nfs or smbsrv are unloadable modules.
- */
-#ifdef HAVE_SHARE
-int (*znfsexport_fs)(void *arg);
-int (*zshare_fs)(enum sharefs_sys_op, share_t *, uint32_t);
-int (*zsmbexport_fs)(void *arg, boolean_t add_share);
-
-int zfs_nfsshare_inited;
-int zfs_smbshare_inited;
-
-ddi_modhandle_t nfs_mod;
-ddi_modhandle_t sharefs_mod;
-ddi_modhandle_t smbsrv_mod;
-kmutex_t zfs_share_lock;
-
-static int
-zfs_init_sharefs()
-{
- int error;
-
- ASSERT(MUTEX_HELD(&zfs_share_lock));
- /* Both NFS and SMB shares also require sharetab support. */
- if (sharefs_mod == NULL && ((sharefs_mod =
- ddi_modopen("fs/sharefs",
- KRTLD_MODE_FIRST, &error)) == NULL)) {
- return (ENOSYS);
- }
- if (zshare_fs == NULL && ((zshare_fs =
- (int (*)(enum sharefs_sys_op, share_t *, uint32_t))
- ddi_modsym(sharefs_mod, "sharefs_impl", &error)) == NULL)) {
- return (ENOSYS);
- }
- return (0);
-}
-#endif /* HAVE_SHARE */
-
static int
zfs_ioc_share(zfs_cmd_t *zc)
{
-#ifdef HAVE_SHARE
- int error;
- int opcode;
-
- switch (zc->zc_share.z_sharetype) {
- case ZFS_SHARE_NFS:
- case ZFS_UNSHARE_NFS:
- if (zfs_nfsshare_inited == 0) {
- mutex_enter(&zfs_share_lock);
- if (nfs_mod == NULL && ((nfs_mod = ddi_modopen("fs/nfs",
- KRTLD_MODE_FIRST, &error)) == NULL)) {
- mutex_exit(&zfs_share_lock);
- return (ENOSYS);
- }
- if (znfsexport_fs == NULL &&
- ((znfsexport_fs = (int (*)(void *))
- ddi_modsym(nfs_mod,
- "nfs_export", &error)) == NULL)) {
- mutex_exit(&zfs_share_lock);
- return (ENOSYS);
- }
- error = zfs_init_sharefs();
- if (error) {
- mutex_exit(&zfs_share_lock);
- return (ENOSYS);
- }
- zfs_nfsshare_inited = 1;
- mutex_exit(&zfs_share_lock);
- }
- break;
- case ZFS_SHARE_SMB:
- case ZFS_UNSHARE_SMB:
- if (zfs_smbshare_inited == 0) {
- mutex_enter(&zfs_share_lock);
- if (smbsrv_mod == NULL && ((smbsrv_mod =
- ddi_modopen("drv/smbsrv",
- KRTLD_MODE_FIRST, &error)) == NULL)) {
- mutex_exit(&zfs_share_lock);
- return (ENOSYS);
- }
- if (zsmbexport_fs == NULL && ((zsmbexport_fs =
- (int (*)(void *, boolean_t))ddi_modsym(smbsrv_mod,
- "smb_server_share", &error)) == NULL)) {
- mutex_exit(&zfs_share_lock);
- return (ENOSYS);
- }
- error = zfs_init_sharefs();
- if (error) {
- mutex_exit(&zfs_share_lock);
- return (ENOSYS);
- }
- zfs_smbshare_inited = 1;
- mutex_exit(&zfs_share_lock);
- }
- break;
- default:
- return (EINVAL);
- }
-
- switch (zc->zc_share.z_sharetype) {
- case ZFS_SHARE_NFS:
- case ZFS_UNSHARE_NFS:
- if (error =
- znfsexport_fs((void *)
- (uintptr_t)zc->zc_share.z_exportdata))
- return (error);
- break;
- case ZFS_SHARE_SMB:
- case ZFS_UNSHARE_SMB:
- if (error = zsmbexport_fs((void *)
- (uintptr_t)zc->zc_share.z_exportdata,
- zc->zc_share.z_sharetype == ZFS_SHARE_SMB ?
- B_TRUE: B_FALSE)) {
- return (error);
- }
- break;
- }
-
- opcode = (zc->zc_share.z_sharetype == ZFS_SHARE_NFS ||
- zc->zc_share.z_sharetype == ZFS_SHARE_SMB) ?
- SHAREFS_ADD : SHAREFS_REMOVE;
-
- /*
- * Add or remove share from sharetab
- */
- error = zshare_fs(opcode,
- (void *)(uintptr_t)zc->zc_share.z_sharedata,
- zc->zc_share.z_sharemax);
-
- return (error);
-#else
- return (ENOTSUP);
-#endif /* HAVE_SHARE */
+ return (ENOSYS);
}
ace_t full_access[] = {
@@ -5175,10 +5042,6 @@ _init(void)
tsd_create(&zfs_fsyncer_key, NULL);
tsd_create(&rrw_tsd_key, NULL);
-#ifdef HAVE_SHARE
- mutex_init(&zfs_share_lock, NULL, MUTEX_DEFAULT, NULL);
-#endif /* HAVE_SHARE */
-
printk(KERN_NOTICE "ZFS: Loaded module v%s%s, "
"ZFS pool version %s, ZFS filesystem version %s\n",
ZFS_META_VERSION, ZFS_DEBUG_STR,
@@ -5204,16 +5067,7 @@ _fini(void)
zvol_fini();
zfs_fini();
spa_fini();
-#ifdef HAVE_SHARE
- if (zfs_nfsshare_inited)
- (void) ddi_modclose(nfs_mod);
- if (zfs_smbshare_inited)
- (void) ddi_modclose(smbsrv_mod);
- if (zfs_nfsshare_inited || zfs_smbshare_inited)
- (void) ddi_modclose(sharefs_mod);
-
- mutex_destroy(&zfs_share_lock);
-#endif /* HAVE_SHARE */
+
tsd_destroy(&zfs_fsyncer_key);
tsd_destroy(&rrw_tsd_key);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 07:55:06 +0000