fix selinux library linking

superblocks. [Luca Berra]

Makefile.in

@@ -16,7 +16,7 @@ srcdir = @srcdir@
 top_srcdir = @top_srcdir@
 VPATH = @srcdir@
 
-SUBDIRS = include man 
+SUBDIRS = doc include man 
 
 ifeq ("@INTL@", "yes")
   SUBDIRS += po

VERSION

@@ -1 +1 @@
-2.00.09-cvs (2004-03-31)
+2.00.15-cvs (2004-04-19)

WHATS_NEW

@@ -1,3 +1,36 @@
+Version 2.00.15 - 19 Apr 2004
+=============================
+  configure --with-owner= --with-group= to avoid -o and -g args to 'install'
+
+Version 2.00.14 - 16 Apr 2004
+=============================
+  Use 64-bit file functions by default.
+
+Version 2.00.13 - 16 Apr 2004
+=============================
+  Set devices/md_component_detection = 1 to ignore devices containing md
+  superblocks. [Luca Berra]
+  Ignore error setting selinux file context if fs doesn't support it.
+
+Version 2.00.12 - 14 Apr 2004
+=============================
+  Install a default lvm.conf into /etc/lvm if there isn't one already.
+  Allow different installation dir for lvm.static (configure --staticdir=)
+  Fix inverted selinux error check.
+  Recognise power2 in /proc/devices.
+  Fix counting in lvs_in_vg_opened. [It ignored devices open more than once.]
+
+Version 2.00.11 - 8 Apr 2004
+============================
+  Set fallback_to_lvm1 in lvm.conf (or configure --enable-lvm1_fallback)
+  to run lvm1 binaries if running a 2.4 kernel without device-mapper.
+
+Version 2.00.10 - 7 Apr 2004
+============================
+  More fixes for static build.
+  Add basic selinux support.
+  Fix sysfs detection.
+
 Version 2.00.09 - 31 Mar 2004
 =============================
   Update copyright notices for Red Hat.

WHATS_NEW_DM

@@ -1,9 +1,30 @@
+Version 1.00.17 - 17 Apr 2004
+=============================
+  configure --with-owner= --with-group= to avoid -o and -g args to 'install'
+  Fix library selinux linking.
+
+Version 1.00.16 - 16 Apr 2004
+=============================
+  Ignore error setting selinux file context if fs doesn't support it.
+
+Version 1.00.15 - 7 Apr 2004
+============================
+  Fix status overflow check in kernel patches.
+
+Version 1.00.14 - 6 Apr 2004
+============================
+  Fix static selinux build.
+
+Version 1.00.13 - 6 Apr 2004
+============================
+  Add some basic selinux support.
+
 Version 1.00.12 - 6 Apr 2004
-===========================
+============================
   Fix dmsetup.static install.
 
 Version 1.00.11 - 5 Apr 2004
-===========================
+============================
   configure --enable-static_link does static build in addition to dynamic.
   Moved Makefile library targets definition into template.
 

configure

@@ -309,7 +309,7 @@ ac_includes_default="\
 #endif"
 
 ac_default_prefix=/usr
-ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS AWK CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S SET_MAKE RANLIB ac_ct_RANLIB CPP EGREP build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os MSGFMT JOBS STATIC_LINK LVM1 OWNER GROUP CLDFLAGS CLDWHOLEARCHIVE CLDNOWHOLEARCHIVE LD_DEPS LD_FLAGS SOFLAG LVM_VERSION DEBUG DEVMAPPER HAVE_LIBDL CMDLIB LOCALEDIR INTL_PACKAGE INTL LIBOBJS LTLIBOBJS'
+ac_subst_vars='SHELL PATH_SEPARATOR PACKAGE_NAME PACKAGE_TARNAME PACKAGE_VERSION PACKAGE_STRING PACKAGE_BUGREPORT exec_prefix prefix program_transform_name bindir sbindir libexecdir datadir sysconfdir sharedstatedir localstatedir libdir includedir oldincludedir infodir mandir build_alias host_alias target_alias DEFS ECHO_C ECHO_N ECHO_T LIBS AWK CC CFLAGS LDFLAGS CPPFLAGS ac_ct_CC EXEEXT OBJEXT INSTALL_PROGRAM INSTALL_SCRIPT INSTALL_DATA LN_S SET_MAKE RANLIB ac_ct_RANLIB CPP EGREP build build_cpu build_vendor build_os host host_cpu host_vendor host_os target target_cpu target_vendor target_os MSGFMT JOBS STATIC_LINK LVM1 OWNER GROUP CLDFLAGS CLDWHOLEARCHIVE CLDNOWHOLEARCHIVE LD_DEPS LD_FLAGS SOFLAG LVM_VERSION LVM1_FALLBACK DEBUG DEVMAPPER HAVE_LIBDL HAVE_SELINUX CMDLIB LOCALEDIR CONFDIR STATICDIR INTL_PACKAGE INTL LIBOBJS LTLIBOBJS'
 ac_subst_files=''
 
 # Initialize some variables set by options.
@@ -845,6 +845,8 @@ if test -n "$ac_init_help"; then
 Optional Features:
   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
+  --enable-lvm1_fallback  Use this to fall back and use LVM1 binaries if
+                          device-mapper is missing from the kernel
   --enable-jobs=NUM       Number of jobs to run simultaneously
   --enable-static_link    Use this to link the tools to their libraries
                           statically.  Default is dynamic linking
@@ -863,6 +865,8 @@ Optional Packages:
   --with-lvm1=TYPE        LVM1 metadata support: internal/shared/none
                           TYPE=internal
   --with-localedir=DIR    Translation files in DIR PREFIX/share/locale
+  --with-confdir=DIR      Configuration files in DIR /etc
+  --with-staticdir=DIR    Static binary in DIR EXEC_PREFIX/sbin
 
 Some influential environment variables:
   CC          C compiler command
@@ -3903,24 +3907,43 @@ esac
 
 
 
+OWNER="root"
+GROUP="root"
+
 
 # Check whether --with-user or --without-user was given.
 if test "${with_user+set}" = set; then
   withval="$with_user"
    OWNER="$withval"
-else
-   OWNER="root"
 fi;
 
+if test x$OWNER != x; then
+	OWNER="-o $OWNER"
+fi
+
 
 # Check whether --with-group or --without-group was given.
 if test "${with_group+set}" = set; then
   withval="$with_group"
    GROUP="$withval"
-else
-   GROUP="root"
 fi;
 
+if test x$GROUP != x; then
+	GROUP="-g $GROUP"
+fi
+
+# Check whether --enable-lvm1_fallback or --disable-lvm1_fallback was given.
+if test "${enable_lvm1_fallback+set}" = set; then
+  enableval="$enable_lvm1_fallback"
+  LVM1_FALLBACK=$enableval
+else
+  LVM1_FALLBACK=no
+fi;
+
+if test x$LVM1_FALLBACK = xyes; then
+	CFLAGS="$CFLAGS -DLVM1_FALLBACK"
+fi
+
 
 # Check whether --with-lvm1 or --without-lvm1 was given.
 if test "${with_lvm1+set}" = set; then
@@ -4592,13 +4615,79 @@ else
 fi
 
 if [ "x$LVM1" = xshared -a "x$STATIC_LINK" = xyes ];
- then  { { echo "$as_me:$LINENO: error: Features cannot be \"shared\" when building statically
+ then  { { echo "$as_me:$LINENO: error: Features cannot be 'shared' when building statically
 " >&5
-echo "$as_me: error: Features cannot be \"shared\" when building statically
+echo "$as_me: error: Features cannot be 'shared' when building statically
 " >&2;}
    { (exit 1); exit 1; }; }
  exit
-fi;
+fi
+
+echo "$as_me:$LINENO: checking for is_selinux_enabled in -lselinux" >&5
+echo $ECHO_N "checking for is_selinux_enabled in -lselinux... $ECHO_C" >&6
+if test "${ac_cv_lib_selinux_is_selinux_enabled+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lselinux  $LIBS"
+cat >conftest.$ac_ext <<_ACEOF
+#line $LINENO "configure"
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+
+/* Override any gcc2 internal prototype to avoid an error.  */
+#ifdef __cplusplus
+extern "C"
+#endif
+/* We use char because int might match the return type of a gcc2
+   builtin and then its argument prototype would still apply.  */
+char is_selinux_enabled ();
+int
+main ()
+{
+is_selinux_enabled ();
+  ;
+  return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext conftest$ac_exeext
+if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
+  (eval $ac_link) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } &&
+         { ac_try='test -s conftest$ac_exeext'
+  { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); }; }; then
+  ac_cv_lib_selinux_is_selinux_enabled=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+ac_cv_lib_selinux_is_selinux_enabled=no
+fi
+rm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+echo "$as_me:$LINENO: result: $ac_cv_lib_selinux_is_selinux_enabled" >&5
+echo "${ECHO_T}$ac_cv_lib_selinux_is_selinux_enabled" >&6
+if test $ac_cv_lib_selinux_is_selinux_enabled = yes; then
+  HAVE_SELINUX=yes
+else
+  HAVE_SELINUX=no
+fi
+
+
+if test x$HAVE_SELINUX = xyes; then
+	CFLAGS="$CFLAGS -DHAVE_SELINUX"
+	LIBS="-lselinux $LIBS"
+fi
 
 
 for ac_header in getopt.h
@@ -4976,6 +5065,25 @@ else
 fi;
 fi
 
+
+# Check whether --with-confdir or --without-confdir was given.
+if test "${with_confdir+set}" = set; then
+  withval="$with_confdir"
+   CONFDIR="$withval"
+else
+   CONFDIR='/etc'
+fi;
+
+
+# Check whether --with-staticdir or --without-staticdir was given.
+if test "${with_staticdir+set}" = set; then
+  withval="$with_staticdir"
+   STATICDIR="$withval"
+else
+   STATICDIR='${exec_prefix}/sbin'
+fi;
+
+
 if test "-f VERSION"; then
   LVM_VERSION="\"`cat VERSION`\""
 else
@@ -5005,7 +5113,11 @@ fi
 
 
 
-                                                                                                                                            ac_config_files="$ac_config_files Makefile make.tmpl include/Makefile lib/Makefile lib/format1/Makefile man/Makefile po/Makefile tools/Makefile tools/version.h test/mm/Makefile test/device/Makefile test/format1/Makefile test/regex/Makefile test/filters/Makefile"
+
+
+
+
+                                                                                                                                                      ac_config_files="$ac_config_files Makefile make.tmpl doc/Makefile include/Makefile lib/Makefile lib/format1/Makefile man/Makefile po/Makefile tools/Makefile tools/version.h test/mm/Makefile test/device/Makefile test/format1/Makefile test/regex/Makefile test/filters/Makefile"
 cat >confcache <<\_ACEOF
 # This file is a shell script that caches the results of configure
 # tests run on this system so they can be shared between configure
@@ -5558,6 +5670,7 @@ do
   # Handling of arguments.
   "Makefile" ) CONFIG_FILES="$CONFIG_FILES Makefile" ;;
   "make.tmpl" ) CONFIG_FILES="$CONFIG_FILES make.tmpl" ;;
+  "doc/Makefile" ) CONFIG_FILES="$CONFIG_FILES doc/Makefile" ;;
   "include/Makefile" ) CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
   "lib/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/Makefile" ;;
   "lib/format1/Makefile" ) CONFIG_FILES="$CONFIG_FILES lib/format1/Makefile" ;;
@@ -5695,11 +5808,15 @@ s,@LD_DEPS@,$LD_DEPS,;t t
 s,@LD_FLAGS@,$LD_FLAGS,;t t
 s,@SOFLAG@,$SOFLAG,;t t
 s,@LVM_VERSION@,$LVM_VERSION,;t t
+s,@LVM1_FALLBACK@,$LVM1_FALLBACK,;t t
 s,@DEBUG@,$DEBUG,;t t
 s,@DEVMAPPER@,$DEVMAPPER,;t t
 s,@HAVE_LIBDL@,$HAVE_LIBDL,;t t
+s,@HAVE_SELINUX@,$HAVE_SELINUX,;t t
 s,@CMDLIB@,$CMDLIB,;t t
 s,@LOCALEDIR@,$LOCALEDIR,;t t
+s,@CONFDIR@,$CONFDIR,;t t
+s,@STATICDIR@,$STATICDIR,;t t
 s,@INTL_PACKAGE@,$INTL_PACKAGE,;t t
 s,@INTL@,$INTL,;t t
 s,@LIBOBJS@,$LIBOBJS,;t t

configure.in

@@ -74,17 +74,34 @@ esac
 dnl -- prefix is /usr by default, the exec_prefix default is setup later
 AC_PREFIX_DEFAULT(/usr)
 
+OWNER="root"
+GROUP="root"
+
 dnl -- setup the ownership of the files
 AC_ARG_WITH(user,
   [  --with-user=USER        Set the owner of installed files ],
-  [ OWNER="$withval" ],
-  [ OWNER="root" ])
+  [ OWNER="$withval" ])
+
+if test x$OWNER != x; then
+	OWNER="-o $OWNER"
+fi
 
 dnl -- setup the group ownership of the files
 AC_ARG_WITH(group,
   [  --with-group=GROUP      Set the group owner of installed files ],
-  [ GROUP="$withval" ],
-  [ GROUP="root" ])
+  [ GROUP="$withval" ])
+
+if test x$GROUP != x; then
+	GROUP="-g $GROUP"
+fi
+
+dnl -- LVM1 tool fallback option
+AC_ARG_ENABLE(lvm1_fallback, [  --enable-lvm1_fallback  Use this to fall back and use LVM1 binaries if
+                          device-mapper is missing from the kernel],  LVM1_FALLBACK=$enableval, LVM1_FALLBACK=no)
+
+if test x$LVM1_FALLBACK = xyes; then
+	CFLAGS="$CFLAGS -DLVM1_FALLBACK"
+fi
 
 dnl -- format1 inclusion type
 AC_ARG_WITH(lvm1,
@@ -195,10 +212,18 @@ fi
 dnl Check for shared/static conflicts
 if [[ "x$LVM1" = xshared -a "x$STATIC_LINK" = xyes ]];
  then  AC_MSG_ERROR(
-Features cannot be \"shared\" when building statically
+Features cannot be 'shared' when building statically
 )
  exit
-fi;
+fi
+
+dnl Check for is_selinux_enabled
+AC_CHECK_LIB(selinux, is_selinux_enabled, HAVE_SELINUX=yes, HAVE_SELINUX=no)
+
+if test x$HAVE_SELINUX = xyes; then
+	CFLAGS="$CFLAGS -DHAVE_SELINUX"
+	LIBS="-lselinux $LIBS"
+fi
 
 dnl Check for getopt
 AC_CHECK_HEADERS(getopt.h, CFLAGS="$CFLAGS -DHAVE_GETOPTLONG")
@@ -242,6 +267,17 @@ if test x$INTL = xyes; then
   		    [ LOCALEDIR='${prefix}/share/locale' ])
 fi
 
+AC_ARG_WITH(confdir,
+	    [  --with-confdir=DIR      Configuration files in DIR [/etc]],
+  	    [ CONFDIR="$withval" ],
+ 	    [ CONFDIR='/etc' ])
+
+AC_ARG_WITH(staticdir,
+	    [  --with-staticdir=DIR    Static binary in DIR [EXEC_PREFIX/sbin]],
+  	    [ STATICDIR="$withval" ],
+ 	    [ STATICDIR='${exec_prefix}/sbin' ])
+
+
 if test "-f VERSION"; then
   LVM_VERSION="\"`cat VERSION`\""
 else
@@ -262,12 +298,16 @@ AC_SUBST(LD_FLAGS)
 AC_SUBST(SOFLAG)
 AC_SUBST(LIBS)
 AC_SUBST(LVM_VERSION)
+AC_SUBST(LVM1_FALLBACK)
 AC_SUBST(DEBUG)
 AC_SUBST(DEVMAPPER)
 AC_SUBST(HAVE_LIBDL)
+AC_SUBST(HAVE_SELINUX)
 AC_SUBST(CMDLIB)
 AC_SUBST(MSGFMT)
 AC_SUBST(LOCALEDIR)
+AC_SUBST(CONFDIR)
+AC_SUBST(STATICDIR)
 AC_SUBST(INTL_PACKAGE)
 AC_SUBST(INTL)
 
@@ -276,6 +316,7 @@ dnl keep utility scripts running properly
 AC_OUTPUT( 								\
 Makefile								\
 make.tmpl                                                               \
+doc/Makefile								\
 include/Makefile						 	\
 lib/Makefile							 	\
 lib/format1/Makefile						 	\

doc/Makefile.in

@@ -0,0 +1,29 @@
+#
+# Copyright (C) 2004 Red Hat, Inc. All rights reserved.
+#
+# This file is part of the LVM2.
+#
+# This copyrighted material is made available to anyone wishing to use,
+# modify, copy, or redistribute it subject to the terms and conditions
+# of the GNU General Public License v.2.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software Foundation,
+# Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+
+CONFSRC=example.conf
+CONFDEST=lvm.conf
+
+include ../make.tmpl
+
+install:
+	@if [ ! -e $(confdir)/$(CONFDEST) ]; then \
+		echo "Installing $(CONFSRC) as $(confdir)/$(CONFDEST)"; \
+		@INSTALL@ -D $(OWNER) $(GROUP) -m 644 $(CONFSRC) \
+			$(confdir)/$(CONFDEST); \
+	fi
+

doc/example.conf

@@ -27,9 +27,6 @@ devices {
     # the device will be accepted or rejected (ignored).  Devices that
     # don't match any patterns are accepted.
 
-    # If using RAID md devices as physical volumes, you should
-    # set up a filter here to reject the constituent devices.
-
     # Remember to run vgscan after you change this parameter to ensure 
     # that the cache file gets regenerated (see below).
 
@@ -57,14 +54,21 @@ devices {
     # You can turn off writing this cache file by setting this to 0.
     write_cache_state = 1
 
-    # An advanced setting.
+    # Advanced settings.
+
     # List of pairs of additional acceptable block device types found 
     # in /proc/devices with maximum (non-zero) number of partitions.
     # types = [ "fd", 16 ]
 
     # If sysfs is mounted (2.6 kernels) restrict device scanning to 
     # the block devices it believes are valid.
+    # 1 enables; 0 disables.
     sysfs_scan = 1	
+
+    # By default, LVM2 will ignore devices used as components of
+    # software RAID (md) devices by looking for md superblocks.
+    # 1 enables; 0 disables.
+    md_component_detection = 1
 }
 
 # This section that allows you to configure the nature of the
@@ -175,6 +179,16 @@ global {
     # setting this to 0 should suppress the error messages.
     activation = 1
 
+    # If we can't communicate with device-mapper, should we try running 
+    # the LVM1 tools?
+    # This option only applies to 2.4 kernels and is provided to help you
+    # switch between device-mapper kernels and LVM1 kernels.
+    # The LVM1 tools need to be installed with .lvm1 suffices
+    # e.g. vgscan.lvm1 and they will stop working after you start using
+    # the new lvm2 on-disk metadata format.
+    # The default value is set when the tools are built.
+    # fallback_to_lvm1 = 0
+
     # The default metadata format that commands should use - "lvm1" or "lvm2".
     # The command line override is -M1 or -M2.
     # Defaults to "lvm1" if compiled in, else "lvm2".

include/.symlinks

@@ -14,6 +14,7 @@
 ../lib/device/device.h
 ../lib/display/display.h
 ../lib/filters/filter-composite.h
+../lib/filters/filter-md.h
 ../lib/filters/filter-persistent.h
 ../lib/filters/filter-regex.h
 ../lib/filters/filter-sysfs.h
@@ -34,6 +35,7 @@
 ../lib/misc/lib.h
 ../lib/misc/lvm-file.h
 ../lib/misc/lvm-string.h
+../lib/misc/selinux.h
 ../lib/misc/sharedlib.h
 ../lib/regex/matcher.h
 ../lib/report/report.h

lib/Makefile.in

@@ -37,6 +37,7 @@ SOURCES =\
 	filters/filter-persistent.c \
 	filters/filter-regex.c \
 	filters/filter-sysfs.c \
+	filters/filter-md.c \
 	filters/filter.c \
 	format_text/archive.c \
 	format_text/export.c \
@@ -95,6 +96,10 @@ ifeq ("@HAVE_LIBDL@", "yes")
 	misc/sharedlib.c
 endif
 
+ifeq ("@HAVE_SELINUX@", "yes")
+  SOURCES += misc/selinux.c
+endif
+
 LIB_STATIC = liblvm.a
 
 $(SUBDIRS): $(LIB_STATIC)

lib/activate/activate.c

@@ -19,6 +19,7 @@
 #include "memlock.h"
 #include "display.h"
 #include "fs.h"
+#include "lvm-file.h"
 #include "lvm-string.h"
 #include "pool.h"
 #include "toolcontext.h"
@@ -31,6 +32,22 @@
 
 #define _skip(fmt, args...) log_very_verbose("Skipping: " fmt , ## args)
 
+int lvm1_present(struct cmd_context *cmd)
+{
+	char path[PATH_MAX];
+
+	if (lvm_snprintf(path, sizeof(path), "%s/lvm/global", cmd->proc_dir)
+	    < 0) {
+		log_error("LVM1 proc global snprintf failed");
+		return 0;
+	}
+
+	if (path_exists(path))
+		return 1;
+	else
+		return 0;
+}
+
 #ifndef DEVMAPPER_SUPPORT
 void set_activation(int act)
 {
@@ -523,7 +540,7 @@ int lvs_in_vg_opened(struct volume_group *vg)
 
 	list_iterate(lvh, &vg->lvs) {
 		lv = list_item(lvh, struct lv_list)->lv;
-		count += (_lv_open_count(lv) == 1);
+		count += (_lv_open_count(lv) > 0);
 	}
 
 	return count;

lib/activate/activate.h

@@ -36,6 +36,7 @@ int activation(void);
 
 int driver_version(char *version, size_t size);
 int library_version(char *version, size_t size);
+int lvm1_present(struct cmd_context *cmd);
 
 int target_present(const char *target_name);
 

lib/activate/fs.c

@@ -20,6 +20,10 @@
 #include "lvm-file.h"
 #include "memlock.h"
 
+#ifdef HAVE_SELINUX
+#  include "selinux.h"
+#endif
+
 #include <sys/stat.h>
 #include <fcntl.h>
 #include <unistd.h>
@@ -175,6 +179,13 @@ static int _mk_link(const char *dev_dir, const char *vg_name,
 		return 0;
 	}
 
+#ifdef HAVE_SELINUX
+        if (!set_selinux_context(lv_path)) {
+                log_sys_error("set_selinux_context", lv_path);
+                return 0;
+        }
+#endif
+
 	return 1;
 }
 

lib/commands/toolcontext.c

@@ -23,6 +23,7 @@
 #include "activate.h"
 #include "filter.h"
 #include "filter-composite.h"
+#include "filter-md.h"
 #include "filter-persistent.h"
 #include "filter-regex.h"
 #include "filter-sysfs.h"
@@ -275,7 +276,7 @@ static int _init_dev_cache(struct cmd_context *cmd)
 	return 1;
 }
 
-#define MAX_FILTERS 3
+#define MAX_FILTERS 4
 
 static struct dev_filter *_init_filter_components(struct cmd_context *cmd)
 {
@@ -285,14 +286,24 @@ static struct dev_filter *_init_filter_components(struct cmd_context *cmd)
 
 	memset(filters, 0, sizeof(filters));
 
-	/* sysfs filter */
+	/*
+	 * Filters listed in order: top one gets applied first.
+	 * Failure to initialise some filters is not fatal.
+	 * Update MAX_FILTERS definition above when adding new filters.
+	 */
+
+	/*
+	 * sysfs filter. Only available on 2.6 kernels.  Non-critical.
+	 * Listed first because it's very efficient at eliminating 
+	 * unavailable devices.
+	 */
 	if (find_config_bool(cmd->cft->root, "devices/sysfs_scan",
 			     DEFAULT_SYSFS_SCAN)) {
 		if ((filters[nr_filt] = sysfs_filter_create(cmd->proc_dir)))
 			nr_filt++;
 	}
 
-	/* regex filter */
+	/* regex filter. Optional. */
 	if (!(cn = find_config_node(cmd->cft->root, "devices/filter")))
 		log_debug("devices/filter not found in config file: no regex "
 			  "filter installed");
@@ -302,14 +313,21 @@ static struct dev_filter *_init_filter_components(struct cmd_context *cmd)
 		return NULL;
 	}
 
-	/* device type filter */
+	/* device type filter. Required. */
 	cn = find_config_node(cmd->cft->root, "devices/types");
 	if (!(filters[nr_filt++] = lvm_type_filter_create(cmd->proc_dir, cn))) {
 		log_error("Failed to create lvm type filter");
 		return NULL;
 	}
 
-	/* only build a composite filter if we really need it */
+	/* md component filter. Optional, non-critical. */
+	if (find_config_bool(cmd->cft->root, "devices/md_component_detection",
+			     DEFAULT_MD_COMPONENT_DETECTION)) {
+		if ((filters[nr_filt] = md_filter_create()))
+			nr_filt++;
+	}
+
+	/* Only build a composite filter if we really need it. */
 	return (nr_filt == 1) ?
 	    filters[0] : composite_filter_create(nr_filt, filters);
 }
@@ -450,6 +468,11 @@ static int _init_hostname(struct cmd_context *cmd)
 		return 0;
 	}
 
+	if (!(cmd->kernel_vsn = pool_strdup(cmd->libmem, uts.release))) {
+		log_error("_init_hostname: pool_strdup kernel_vsn failed");
+		return 0;
+	}
+
 	return 1;
 }
 

lib/commands/toolcontext.h

@@ -58,6 +58,7 @@ struct cmd_context {
 
 	struct list formats;	/* Available formats */
 	const char *hostname;
+	const char *kernel_vsn;
 
 	char *cmd_line;
 	struct command *command;

lib/config/defaults.h

@@ -29,12 +29,19 @@
 #define DEFAULT_DEV_DIR "/dev"
 #define DEFAULT_PROC_DIR "/proc"
 #define DEFAULT_SYSFS_SCAN 1
+#define DEFAULT_MD_COMPONENT_DETECTION 1
 
 #define DEFAULT_LOCK_DIR "/var/lock/lvm"
 #define DEFAULT_LOCKING_LIB "lvm2_locking.so"
 
 #define DEFAULT_UMASK 0077
 
+#ifdef LVM1_FALLBACK
+#  define DEFAULT_FALLBACK_TO_LVM1 1
+#else
+#  define DEFAULT_FALLBACK_TO_LVM1 0
+#endif
+
 #ifdef LVM1_SUPPORT
 #  define DEFAULT_FORMAT "lvm1"
 #else

lib/device/dev-io.c

@@ -51,12 +51,6 @@
 #  endif
 #endif
 
-
-/* FIXME Use _llseek for 64-bit
-_syscall5(int,  _llseek,  uint,  fd, ulong, hi, ulong, lo, loff_t *, res, uint, wh);
- if (_llseek((unsigned) fd, (ulong) (offset >> 32), (ulong) (offset & 0xFFFFFFFF), &pos, SEEK_SET) < 0) { 
-*/
-
 static LIST_INIT(_open_devices);
 
 /*-----------------------------------------------------------------

lib/filters/filter-md.c

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2004 Luca Berra
+ *
+ * This file is part of LVM2.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License v.2.1.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "lib.h"
+#include "filter-md.h"
+#include "metadata.h"
+
+#ifdef linux
+
+/* Lifted from <linux/raid/md_p.h> because of difficulty including it */
+
+#define MD_SB_MAGIC 0xa92b4efc
+#define MD_RESERVED_BYTES (64 * 1024)
+#define MD_RESERVED_SECTORS (MD_RESERVED_BYTES / 512)
+#define MD_NEW_SIZE_SECTORS(x) ((x & ~(MD_RESERVED_SECTORS - 1)) \
+				- MD_RESERVED_SECTORS)
+
+static int _ignore_md(struct dev_filter *f, struct device *dev)
+{
+	uint64_t size, sector;
+	uint32_t md_magic;
+
+	if (!dev_get_size(dev, &size)) {
+		stack;
+		return 0;
+	}
+
+	if (size < MD_RESERVED_SECTORS * 2)
+		/*
+		 * We could ignore it since it is obviously too
+		 * small, but that's not our job.
+		 */
+		return 1;
+
+	if (!dev_open(dev)) {
+		stack;
+		return 0;
+	}
+
+	sector = MD_NEW_SIZE_SECTORS(size);
+
+	/* Check if it is an md component device. */
+	if (dev_read(dev, sector << SECTOR_SHIFT, sizeof(uint32_t), &md_magic)) {
+		if (md_magic == MD_SB_MAGIC) {
+			log_debug("%s: Skipping md component device",
+				  dev_name(dev));
+			if (!dev_close(dev))
+				stack;
+			return 0;
+		}
+	}
+
+	if (!dev_close(dev))
+		stack;
+
+	return 1;
+}
+
+static void _destroy(struct dev_filter *f)
+{
+	dbg_free(f);
+}
+
+struct dev_filter *md_filter_create(void)
+{
+	struct dev_filter *f;
+
+	if (!(f = dbg_malloc(sizeof(*f)))) {
+		log_error("md filter allocation failed");
+		return NULL;
+	}
+
+	f->passes_filter = _ignore_md;
+	f->destroy = _destroy;
+	f->private = NULL;
+
+	return f;
+}
+
+#else
+
+struct dev_filter *md_filter_create(void)
+{
+	return NULL;
+}
+
+#endif

lib/filters/filter-md.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2004 Luca Berra
+ *
+ * This file is part of LVM2.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU Lesser General Public License v.2.1.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _LVM_FILTER_MD_H
+#define _LVM_FILTER_MD_H
+
+#include "dev-cache.h"
+
+struct dev_filter *md_filter_create(void);
+
+#endif
+

lib/filters/filter-sysfs.c

@@ -26,7 +26,7 @@ static int _locate_sysfs_blocks(const char *proc, char *path, size_t len)
 	char proc_mounts[PATH_MAX];
 	int r = 0;
 	FILE *fp;
-	char *split[2], buffer[PATH_MAX + 16];
+	char *split[4], buffer[PATH_MAX + 16];
 
 	if (!*proc) {
 		log_verbose("No proc filesystem found: skipping sysfs filter");
@@ -45,8 +45,8 @@ static int _locate_sysfs_blocks(const char *proc, char *path, size_t len)
 	}
 
 	while (fgets(buffer, sizeof(buffer), fp)) {
-		if (split_words(buffer, 2, split) == 2 &&
-		    !strcmp(split[0], "sysfs")) {
+		if (split_words(buffer, 4, split) == 4 &&
+		    !strcmp(split[2], "sysfs")) {
 			if (lvm_snprintf(path, len, "%s/%s", split[1],
 					 "block") >= 0) {
 				r = 1;

lib/filters/filter.c

@@ -53,6 +53,7 @@ static const device_info_t device_info[] = {
 	{"ubd", 16},		/* User-mode virtual block device */
 	{"ataraid", 16},	/* ATA Raid */
 	{"drbd", 16},		/* Distributed Replicated Block Device */
+	{"power2", 16},		/* EMC Powerpath */
 	{NULL, 0}
 };
 

lib/format1/Makefile.in

@@ -32,7 +32,7 @@ include ../../make.tmpl
 .PHONY: install
 
 install: liblvm2format1.so
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 555 $(STRIP) $< \
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) $< \
 		$(libdir)/liblvm2format1.so.$(LIB_VERSION)
 	$(LN_S) -f liblvm2format1.so.$(LIB_VERSION) $(libdir)/liblvm2format1.so
 

lib/misc/lib.h

@@ -21,6 +21,7 @@
 
 #define _REENTRANT
 #define _GNU_SOURCE
+#define _FILE_OFFSET_BITS 64
 
 #include "log.h"
 #include "dbg_malloc.h"

lib/misc/selinux.c

@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2002-2004 Sistina Software, Inc. All rights reserved.  
+ * Copyright (C) 2004 Red Hat, Inc. All rights reserved.
+ *
+ * This file is part of LVM2.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "lib.h"
+#include "selinux.h"
+
+#include <selinux/selinux.h>
+
+int set_selinux_context(const char *path)
+{
+	security_context_t scontext;
+
+	log_very_verbose("Setting SELinux context for %s", path);
+	if (is_selinux_enabled() <= 0)
+		return 0;
+
+	if (matchpathcon(path, 0, &scontext) < 0) {
+		log_sys_error("matchpathcon", path);
+		return 0;
+	}
+
+	if ((lsetfilecon(path, scontext) < 0) && (errno != ENOTSUP)) {
+		log_sys_error("lsetfilecon", path);
+		free(scontext);
+		return 0;
+	}
+
+	free(scontext);
+	return 1;
+}

lib/misc/selinux.h

@@ -0,0 +1,20 @@
+/*
+ * Copyright (C) 2004 Red Hat, Inc. All rights reserved.
+ *
+ * This file is part of LVM2.
+ *
+ * This copyrighted material is made available to anyone wishing to use,
+ * modify, copy, or redistribute it subject to the terms and conditions
+ * of the GNU General Public License v.2.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef _LVM_SELINUX_H
+#define _LVM_SELINUX_H
+
+int set_selinux_context(const char * path);
+
+#endif

libdm/Makefile.in

@@ -39,24 +39,24 @@ install: $(INSTALL_TYPE)
 
 install_dynamic: install_@interface@
 	$(LN_S) -f libdevmapper.so.$(LIB_VERSION) $(libdir)/libdevmapper.so
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 444 libdevmapper.h \
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 444 libdevmapper.h \
 		$(includedir)/libdevmapper.h
 
 install_static: install_@interface@_static
 	$(LN_S) -f libdevmapper.a.$(LIB_VERSION) $(libdir)/libdevmapper.a
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 444 libdevmapper.h \
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 444 libdevmapper.h \
 		$(includedir)/libdevmapper.h
 
 install_fs: fs/libdevmapper.so
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 555 $(STRIP) $< \
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) $< \
 		$(libdir)/libdevmapper.so.$(LIB_VERSION)
 
 install_ioctl: ioctl/libdevmapper.so
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 555 $(STRIP) $< \
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) $< \
 		$(libdir)/libdevmapper.so.$(LIB_VERSION)
 
 install_ioctl_static: ioctl/libdevmapper.a
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 555 $(STRIP) $< \
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) $< \
 		$(libdir)/libdevmapper.a.$(LIB_VERSION)
 
 .PHONY: distclean_lib distclean

libdm/libdm-common.c

@@ -29,6 +29,10 @@
 #include <linux/dm-ioctl.h>
 #include <linux/kdev_t.h>
 
+#ifdef HAVE_SELINUX
+#  include <selinux/selinux.h>
+#endif
+
 #define DEV_DIR "/dev/"
 
 static char _dm_dir[PATH_MAX] = DEV_DIR DM_DIR;
@@ -197,6 +201,31 @@ int dm_task_add_target(struct dm_task *dmt, uint64_t start, uint64_t size,
 	return 1;
 }
 
+#ifdef HAVE_SELINUX
+static int _set_selinux_context(const char *path)
+{
+	security_context_t scontext;
+
+	log_debug("Setting SELinux context for %s", path);
+	if (is_selinux_enabled() <= 0)
+		return 0;
+
+	if (matchpathcon(path, 0, &scontext) < 0) {
+		log_error("%s: matchpathcon failed: %s", path, strerror(errno));
+		return 0;
+	}
+
+	if ((lsetfilecon(path, scontext) < 0) && (errno != ENOTSUP)) {
+		log_error("%s: lsetfilecon failed: %s", path, strerror(errno));
+		free(scontext);
+		return 0;
+	}
+
+	free(scontext);
+	return 1;
+}
+#endif
+
 static int _add_dev_node(const char *dev_name, uint32_t major, uint32_t minor)
 {
 	char path[PATH_MAX];
@@ -226,6 +255,10 @@ static int _add_dev_node(const char *dev_name, uint32_t major, uint32_t minor)
 		log_error("Unable to make device node for '%s'", dev_name);
 		return 0;
 	}
+#ifdef HAVE_SELINUX
+	if (!_set_selinux_context(path))
+		return 0;
+#endif
 
 	return 1;
 }

make.tmpl.in

@@ -36,12 +36,14 @@ SOFLAG += @SOFLAG@
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 bindir = $(DESTDIR)@bindir@
+confdir = $(DESTDIR)@CONFDIR@/lvm
 includedir = $(DESTDIR)@includedir@
 libdir = $(DESTDIR)@libdir@
 sbindir = $(DESTDIR)@sbindir@
 infodir = $(DESTDIR)@infodir@
 mandir = $(DESTDIR)@mandir@
 localedir = $(DESTDIR)@LOCALEDIR@
+staticdir = $(DESTDIR)@STATICDIR@
 
 # setup misc variables
 # define the ownership variables for the binaries and man pages
@@ -72,10 +74,6 @@ endif
 
 LD_FLAGS += -L$(top_srcdir)/lib -L$(libdir)
 
-ifeq ("@STATIC_LINK@", "yes")
-  LD_FLAGS += -static
-endif
-
 #CFLAGS += -DDEBUG_POOL
 #CFLAGS += -DBOUNDS_CHECK
 
@@ -140,16 +138,14 @@ $(TARGETS): $(OBJECTS)
 %.o: %.c
 	$(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@
 
-%.pot: %.c
+%.pot: %.c Makefile
 	$(CC) -E $(INCLUDES) -include $(top_srcdir)/include/pogen.h \
 		$(CFLAGS) $< > $@
 
-%.pot: Makefile
-	
 %.so: %.o
-	$(CC) -c $(INCLUDES) $(CFLAGS) %< -o $@
+	$(CC) -c $(INCLUDES) $(CFLAGS) $< -o $@
 
-%.so: $(OBJECTS) $(LD_DEPS)
+$(LIB_SHARED): $(OBJECTS) $(LD_DEPS)
 	$(CC) $(SOFLAG) -Wl,-soname,$(notdir $@).$(LIB_VERSION) \
 	$(CLDFLAGS) $(OBJECTS) -o $@
 

man/Makefile.in

@@ -34,12 +34,12 @@ install:
 	@for f in $(MAN8); \
 	do \
 	   $(RM) $(MAN8DIR)/$$f; \
-	   @INSTALL@ -D -o $(OWNER) -g $(GROUP) -m 444 $$f $(MAN8DIR)/$$f; \
+	   @INSTALL@ -D $(OWNER) $(GROUP) -m 444 $$f $(MAN8DIR)/$$f; \
 	done
 
 	@echo "Installing $(MAN5) in $(MAN5DIR)"
 	@for f in $(MAN5); \
 	do \
 	   $(RM) $(MAN5DIR)/$$f; \
-	   @INSTALL@ -D -o $(OWNER) -g $(GROUP) -m 444 $$f $(MAN5DIR)/$$f; \
+	   @INSTALL@ -D $(OWNER) $(GROUP) -m 444 $$f $(MAN5DIR)/$$f; \
 	done

po/Makefile.in

@@ -25,7 +25,7 @@ install: $(TARGETS)
 	@echo Installing translation files in $(localedir)
 	@( \
 		for lang in $(LANGS); do \
-			$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 444 $$lang.mo \
+			$(INSTALL) -D $(OWNER) $(GROUP) -m 444 $$lang.mo \
 			    $(localedir)/$$lang/LC_MESSAGES/@INTL_PACKAGE@.mo;\
 	  done; \
 	)

tools/Makefile.in

@@ -16,7 +16,7 @@ srcdir = @srcdir@
 top_srcdir = @top_srcdir@
 VPATH = @srcdir@
 
-SOURCES=\
+SOURCES =\
 	archiver.c \
 	dumpconfig.c \
 	lvchange.c \
@@ -57,20 +57,26 @@ SOURCES=\
 	vgscan.c \
 	vgsplit.c
 
-TARGETS=\
+TARGETS =\
 	.commands \
 	lvm
 
-LVMLIBS=-llvm
+INSTALL_TARGETS = install_tools_dynamic
+INSTALL_CMDLIB_TARGETS = install_cmdlib_dynamic
 
-INSTALL_TARGETS=\
-	install_lvm_tools
+ifeq ("@STATIC_LINK@", "yes")
+  TARGETS += lvm.static
+  INSTALL_TARGETS += install_tools_static
+  INSTALL_CMDLIB_TARGETS += install_cmdlib_static
+endif
 
-CLEAN_TARGETS = liblvm2cmd.so liblvm2cmd.a
+LVMLIBS = -llvm
+
+CLEAN_TARGETS = liblvm2cmd.so liblvm2cmd.a lvm lvm.static
 
 ifeq ("@CMDLIB@", "yes")
 	TARGETS += liblvm2cmd.so
-	INSTALL_TARGETS += install_cmdlib
+	INSTALL_TARGETS += $(INSTALL_CMDLIB_TARGETS)
 endif
 
 ifeq ("@DEVMAPPER@", "yes")
@@ -80,7 +86,11 @@ endif
 include ../make.tmpl
 
 lvm: $(OBJECTS) lvm.o $(top_srcdir)/lib/liblvm.a
-	$(CC) -o lvm $(OBJECTS) lvm.o $(LD_FLAGS) $(LVMLIBS) $(LIBS)
+	$(CC) -o $@ $(OBJECTS) lvm.o $(LD_FLAGS) $(LVMLIBS) $(LIBS) -rdynamic
+
+lvm.static: $(OBJECTS) lvm.o $(top_srcdir)/lib/liblvm.a
+	$(CC) -o $@ $(OBJECTS) lvm.o -static $(LD_FLAGS) $(LVMLIBS) $(LIBS) \
+		-rdynamic
 
 liblvm2cmd.a: $(top_srcdir)/lib/liblvm.a $(OBJECTS)
 	cat $(top_srcdir)/lib/liblvm.a > $@
@@ -94,17 +104,25 @@ liblvm2cmd.so: liblvm2cmd.a $(LD_DEPS)
 	$(CC) -E -P cmdnames.h 2> /dev/null | \
 		egrep -v '^ *(|#.*|dumpconfig|help|pvdata|version) *$$' > .commands
 
-.PHONY: install_lvm_tools install_cmdlib
+.PHONY: install_cmdlib_dynamic install_cmdlib_static \
+	install_tools_dynamic install_tools_static
 
-install_cmdlib: $(TARGETS)
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 555 $(STRIP) liblvm2cmd.so \
+install_cmdlib_dynamic: liblvm2cmd.so
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) liblvm2cmd.so \
 		$(libdir)/liblvm2cmd.so.$(LIB_VERSION)
 	$(LN_S) -f liblvm2cmd.so.$(LIB_VERSION) $(libdir)/liblvm2cmd.so
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 444 lvm2cmd.h \
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 444 lvm2cmd.h \
 		$(includedir)/lvm2cmd.h
 
-install_lvm_tools: $(TARGETS)
-	$(INSTALL) -D -o $(OWNER) -g $(GROUP) -m 555 $(STRIP) lvm \
+install_cmdlib_static: liblvm2cmd.a
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) liblvm2cmd.a \
+		$(libdir)/liblvm2cmd.a.$(LIB_VERSION)
+	$(LN_S) -f liblvm2cmd.a.$(LIB_VERSION) $(libdir)/liblvm2cmd.a
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 444 lvm2cmd.h \
+		$(includedir)/lvm2cmd.h
+
+install_tools_dynamic: lvm .commands
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) lvm \
 		$(sbindir)/lvm
 	@echo Creating symbolic links for individual commands in $(sbindir)
 	@( \
@@ -114,5 +132,9 @@ install_lvm_tools: $(TARGETS)
 		done; \
 	)
 
+install_tools_static: lvm.static
+	$(INSTALL) -D $(OWNER) $(GROUP) -m 555 $(STRIP) lvm.static \
+		$(staticdir)/lvm.static
+
 install: $(INSTALL_TARGETS)
 

tools/lvm.c

@@ -1,5 +1,6 @@
 /*
- * Copyright (C) 2001 Sistina Software (UK) Limited.
+ * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.   
+ * Copyright (C) 2004 Red Hat, Inc. All rights reserved.
  *
  * This file is part of LVM2.
  *

tools/lvmcmdline.c

@@ -1,6 +1,6 @@
 /*
- * Copyright (C) 2001 Sistina Software (UK) Limited.
- *
+ * Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.   
+ * Copyright (C) 2004 Red Hat, Inc. All rights reserved.
  * This file is part of LVM2.
  *
  * This copyrighted material is made available to anyone wishing to use,
@@ -1054,7 +1054,7 @@ static char *_list_args(const char *text, int state)
 			char c;
 			if (!(c = (the_args +
 				   com->valid_args[match_no++])->short_arg))
-				continue;
+				    continue;
 
 			sprintf(s, "-%c", c);
 			if (!strncmp(text, s, len))
@@ -1285,6 +1285,42 @@ void lvm2_exit(void *handle)
 
 #endif
 
+/*
+ * Determine whether we should fall back and exec the equivalent LVM1 tool
+ */
+static int _lvm1_fallback(struct cmd_context *cmd)
+{
+	char vsn[80];
+	int dm_present;
+
+	if (!find_config_int(cmd->cft->root, "global/fallback_to_lvm1",
+			     DEFAULT_FALLBACK_TO_LVM1) ||
+	    strncmp(cmd->kernel_vsn, "2.4.", 4))
+		return 0;
+
+	log_suppress(1);
+	dm_present = driver_version(vsn, sizeof(vsn));
+	log_suppress(0);
+
+	if (dm_present || !lvm1_present(cmd))
+		return 0;
+
+	return 1;
+}
+
+static void _exec_lvm1_command(struct cmd_context *cmd, int argc, char **argv)
+{
+	char path[PATH_MAX];
+
+	if (lvm_snprintf(path, sizeof(path), "%s.lvm1", argv[0]) < 0) {
+		log_error("Failed to create LVM1 tool pathname");
+		return;
+	}
+
+	execvp(path, argv);
+	log_sys_error("execvp", path);
+}
+
 int lvm2_main(int argc, char **argv)
 {
 	char *namebase, *base;
@@ -1305,6 +1341,21 @@ int lvm2_main(int argc, char **argv)
 
 	_register_commands();
 
+	if (_lvm1_fallback(cmd)) {
+		/* Attempt to run equivalent LVM1 tool instead */
+		if (!alias) {
+			argv++;
+			argc--;
+			alias = 0;
+		}
+		if (!argc) {
+			log_error("Falling back to LVM1 tools, but no "
+				  "command specified.");
+			return ECMD_FAILED;
+		}
+		_exec_lvm1_command(cmd, argc, argv);
+		return ECMD_FAILED;
+	}
 #ifdef READLINE_SUPPORT
 	if (!alias && argc == 1) {
 		ret = _shell(cmd);

tools/tools.h

@@ -17,6 +17,7 @@
 #define _LVM_TOOLS_H
 
 #define _GNU_SOURCE
+#define _FILE_OFFSET_BITS 64
 
 #include <assert.h>