2007-08-14 David Smith <dsmith@redhat.com>

	Merge from setuid-branch.  Changes also by Martin Hunt
	<hunt@redhat.com>.

	* Makefile.am: Added staprun_funcs.c and cap.c to
	staprun_SOURCES.  Added -lcap to staprun_LDADD.  Removed
	stp_check reference. Added stapio program.  Staprun is now
	setuid.
	* Makefile.in: Rebuilt.

	* configure.ac: Version increase to 0.6 and checks for libcap
	availability.  Removed stp_check reference.
	* configure: Regenerated.
	* stp_check.in: Removed.

	* systemtap.spec.in: Version increase to 0.6-1 and added
	BuildReq for libcap-devl (and removed sudo requirement).
	Added %pre script to create new groups.  Staprun is now
	setuid.

	* NEWS: Added info on new security model.
	* INTERNALS: Removed sudo reference.

	* README.security: New file.

	* main.cxx (main): Make sure module name isn't too long.
	* hash.cxx: Moved MODULE_NAME_LEN define to hash.h.
	* hash.h: Moved MODULE_NAME_LEN define here from hash.cxx.

	* buildrun.cxx (run_pass): No longer runs staprun with "sudo".

	* stap.1.in: Removed sudo references and added information about
	the stapdev/stapusr groups.
	* staprun.8.in: Added information about module detaching and
	attaching.  Removed sudo references and added information
	about the stapdev/stapusr groups.  Removed reference to
	staprun needing to be run as root.  Removed reference to
	removed '-u USERNAME' option.

	* .cvsignore: Removed stp_check and added stapio and stap_merge.

diff --git a/.cvsignore b/.cvsignore
index 4d8dec532fb8b8225b75501bc5f8c680681c8749..93bcb3245c28de224e412cc75ece72e8be682321 100644 (file)
--- a/.cvsignore
+++ b/.cvsignore
@@ -1,2 +1,3 @@
 autom4te.* cscope*out Makefile config.h config.log config.status *.[158]
-.deps loc2c-test stamp-h1 stap staprun stp_check systemtap.spec testresults
+.deps loc2c-test stamp-h1 stap staprun systemtap.spec testresults
+stapio stap_merge

diff --git a/ChangeLog b/ChangeLog
index 8ee6731a91f371772e07dcb9b4469bc099662850..867aec12408465d11fc8dcb93359b404fae1f7cb 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,45 @@
+2007-08-14  David Smith  <dsmith@redhat.com>
+
+       Merge from setuid-branch.  Changes also by Martin Hunt
+       <hunt@redhat.com>.
+
+       * Makefile.am: Added staprun_funcs.c and cap.c to
+       staprun_SOURCES.  Added -lcap to staprun_LDADD.  Removed
+       stp_check reference. Added stapio program.  Staprun is now
+       setuid.
+       * Makefile.in: Rebuilt.
+
+       * configure.ac: Version increase to 0.6 and checks for libcap
+       availability.  Removed stp_check reference.
+       * configure: Regenerated.
+       * stp_check.in: Removed.
+
+       * systemtap.spec.in: Version increase to 0.6-1 and added
+       BuildReq for libcap-devl (and removed sudo requirement).
+       Added %pre script to create new groups.  Staprun is now
+       setuid.
+
+       * NEWS: Added info on new security model.
+       * INTERNALS: Removed sudo reference.
+
+       * README.security: New file.
+
+       * main.cxx (main): Make sure module name isn't too long.
+       * hash.cxx: Moved MODULE_NAME_LEN define to hash.h.
+       * hash.h: Moved MODULE_NAME_LEN define here from hash.cxx.
+
+       * buildrun.cxx (run_pass): No longer runs staprun with "sudo".
+
+       * stap.1.in: Removed sudo references and added information about
+       the stapdev/stapusr groups.
+       * staprun.8.in: Added information about module detaching and
+       attaching.  Removed sudo references and added information
+       about the stapdev/stapusr groups.  Removed reference to
+       staprun needing to be run as root.  Removed reference to
+       removed '-u USERNAME' option.
+
+       * .cvsignore: Removed stp_check and added stapio and stap_merge.
+
 2007-08-10  Josh Stone  <joshua.i.stone@intel.com>
 
        PR 4593

diff --git a/INTERNALS b/INTERNALS
index 7fc13d74088a12b8c295428da20de3f0f8b5f5c6..8fbbc4ab9cb49e72d079b4b7206767d721e81079 100644 (file)
--- a/INTERNALS
+++ b/INTERNALS
@@ -121,7 +121,7 @@ Pass 4 - compilation
 
 Pass 5 - running
 
-- run "sudo staprun"
+- run "staprun"
 - clean up temporary directory
 
 - nothing to it!

diff --git a/Makefile.am b/Makefile.am
index 82aa05320f565ed687ce099228d53e9342e90a0e..190d74568a1d32b8fc61add74dff9c895e242116 100644 (file)
--- a/Makefile.am
+++ b/Makefile.am
@@ -51,15 +51,27 @@ install-elfutils:
 install-exec-local: install-elfutils
 endif
 
-staprun_SOURCES = runtime/staprun/staprun.c runtime/staprun/mainloop.c \
-       runtime/staprun/symbols.c runtime/staprun/ctl.c \
-       runtime/staprun/relay.c runtime/staprun/relay_old.c
+staprun_SOURCES = runtime/staprun/staprun.c runtime/staprun/staprun_funcs.c\
+       runtime/staprun/ctl.c runtime/staprun/common.c \
+       runtime/staprun/cap.c runtime/staprun/symbols.c
 
+staprun_CPPFLAGS = $(AM_CPPFLAGS) -DSINGLE_THREADED
 staprun_CFLAGS = @PROCFLAGS@ $(AM_CFLAGS)
-staprun_LDADD = @PROCFLAGS@ -lpthread
+staprun_LDADD = @PROCFLAGS@ -lcap
 
-pkglibexec_SCRIPTS = stp_check
-CLEANFILES += $(pkglibexec_SCRIPTS)
+stapio_SOURCES = runtime/staprun/stapio.c \
+       runtime/staprun/mainloop.c runtime/staprun/common.c \
+       runtime/staprun/ctl.c \
+       runtime/staprun/relay.c runtime/staprun/relay_old.c 
+
+stapio_CFLAGS = @PROCFLAGS@ $(AM_CFLAGS)
+stapio_LDADD = @PROCFLAGS@ -lpthread
+
+install-exec-hook:
+       chmod 04111 "$(DESTDIR)$(bindir)/staprun"
+
+pkglibexec_PROGRAMS = stapio
+CLEANFILES +=  $(pkglibexec_PROGRAMS)
 
 noinst_PROGRAMS = loc2c-test stap_merge
 loc2c_test_SOURCES = loc2c-test.c loc2c.c

diff --git a/Makefile.in b/Makefile.in
index 4ae946e4a9f72948815da3ec4de49a1cdedb6034..4cd457124ae884fe27eeedd6131208f7b81569ae 100644 (file)
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,8 +1,8 @@
-# Makefile.in generated by automake 1.10 from Makefile.am.
+# Makefile.in generated by automake 1.9.6 from Makefile.am.
 # @configure_input@
 
 # Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
-# 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# 2003, 2004, 2005  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.
@@ -16,12 +16,15 @@
 
 # Makefile.am --- automake input file for systemtap
 
-
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
 VPATH = @srcdir@
 pkgdatadir = $(datadir)/@PACKAGE@
 pkglibdir = $(libdir)/@PACKAGE@
 pkgincludedir = $(includedir)/@PACKAGE@
+top_builddir = .
 am__cd = CDPATH="$${ZSH_VERSION+.}$(PATH_SEPARATOR)" && cd
+INSTALL = @INSTALL@
 install_sh_DATA = $(install_sh) -c -m 644
 install_sh_PROGRAM = $(install_sh) -c
 install_sh_SCRIPT = $(install_sh) -c
@@ -40,6 +43,7 @@ bin_PROGRAMS = stap$(EXEEXT) staprun$(EXEEXT)
 
 @BUILD_ELFUTILS_TRUE@am__append_3 = stamp-elfutils
 @BUILD_ELFUTILS_FALSE@stap_DEPENDENCIES =
+pkglibexec_PROGRAMS = stapio$(EXEEXT)
 noinst_PROGRAMS = loc2c-test$(EXEEXT) stap_merge$(EXEEXT)
 @BUILD_LKET_B2A_TRUE@am__append_4 = runtime/lket/b2a
 subdir = .
@@ -48,8 +52,8 @@ DIST_COMMON = README $(am__configure_deps) $(dist_man_MANS) \
        $(srcdir)/config.in $(srcdir)/lket-b2a.1.in \
        $(srcdir)/lket.5.in $(srcdir)/stap.1.in $(srcdir)/stapex.5.in \
        $(srcdir)/stapfuncs.5.in $(srcdir)/stapprobes.5.in \
-       $(srcdir)/staprun.8.in $(srcdir)/stp_check.in \
-       $(srcdir)/systemtap.spec.in $(top_srcdir)/configure \
+       $(srcdir)/staprun.8.in $(srcdir)/systemtap.spec.in \
+       $(top_srcdir)/configure \
        $(top_srcdir)/man/stapprobes.iosched.5.in \
        $(top_srcdir)/man/stapprobes.netdev.5.in \
        $(top_srcdir)/man/stapprobes.nfs.5.in \
@@ -69,29 +73,28 @@ am__aclocal_m4_deps = $(top_srcdir)/configure.ac
 am__configure_deps = $(am__aclocal_m4_deps) $(CONFIGURE_DEPENDENCIES) \
        $(ACLOCAL_M4)
 am__CONFIG_DISTCLEAN_FILES = config.status config.cache config.log \
- configure.lineno config.status.lineno
+ configure.lineno configure.status.lineno
 mkinstalldirs = $(install_sh) -d
 CONFIG_HEADER = config.h
-CONFIG_CLEAN_FILES = systemtap.spec stp_check stap.1 stapprobes.5 \
-       stapfuncs.5 stapex.5 staprun.8 lket.5 lket-b2a.1 \
-       man/stapprobes.iosched.5 man/stapprobes.netdev.5 \
-       man/stapprobes.nfs.5 man/stapprobes.nfsd.5 \
-       man/stapprobes.pagefault.5 man/stapprobes.process.5 \
-       man/stapprobes.rpc.5 man/stapprobes.scsi.5 \
-       man/stapprobes.signal.5 man/stapprobes.socket.5 \
-       man/stapprobes.tcp.5 man/stapprobes.udp.5
+CONFIG_CLEAN_FILES = systemtap.spec stap.1 stapprobes.5 stapfuncs.5 \
+       stapex.5 staprun.8 lket.5 lket-b2a.1 man/stapprobes.iosched.5 \
+       man/stapprobes.netdev.5 man/stapprobes.nfs.5 \
+       man/stapprobes.nfsd.5 man/stapprobes.pagefault.5 \
+       man/stapprobes.process.5 man/stapprobes.rpc.5 \
+       man/stapprobes.scsi.5 man/stapprobes.signal.5 \
+       man/stapprobes.socket.5 man/stapprobes.tcp.5 \
+       man/stapprobes.udp.5
 am__installdirs = "$(DESTDIR)$(bindir)" "$(DESTDIR)$(pkglibexecdir)" \
        "$(DESTDIR)$(man1dir)" "$(DESTDIR)$(man5dir)" \
        "$(DESTDIR)$(man8dir)"
 binPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
-PROGRAMS = $(bin_PROGRAMS) $(noinst_PROGRAMS)
+pkglibexecPROGRAMS_INSTALL = $(INSTALL_PROGRAM)
+PROGRAMS = $(bin_PROGRAMS) $(noinst_PROGRAMS) $(pkglibexec_PROGRAMS)
 am_loc2c_test_OBJECTS = loc2c_test-loc2c-test.$(OBJEXT) \
        loc2c_test-loc2c.$(OBJEXT)
 loc2c_test_OBJECTS = $(am_loc2c_test_OBJECTS)
 am__DEPENDENCIES_1 =
 loc2c_test_DEPENDENCIES = $(am__DEPENDENCIES_1)
-loc2c_test_LINK = $(CCLD) $(AM_CFLAGS) $(CFLAGS) $(loc2c_test_LDFLAGS) \
-       $(LDFLAGS) -o $@
 am_stap_OBJECTS = stap-main.$(OBJEXT) stap-parse.$(OBJEXT) \
        stap-staptree.$(OBJEXT) stap-elaborate.$(OBJEXT) \
        stap-translate.$(OBJEXT) stap-tapsets.$(OBJEXT) \
@@ -99,25 +102,22 @@ am_stap_OBJECTS = stap-main.$(OBJEXT) stap-parse.$(OBJEXT) \
        stap-hash.$(OBJEXT) stap-mdfour.$(OBJEXT) stap-cache.$(OBJEXT) \
        stap-util.$(OBJEXT) stap-coveragedb.$(OBJEXT)
 stap_OBJECTS = $(am_stap_OBJECTS)
-stap_LINK = $(CXXLD) $(stap_CXXFLAGS) $(CXXFLAGS) $(stap_LDFLAGS) \
-       $(LDFLAGS) -o $@
 am_stap_merge_OBJECTS = stap_merge-stap_merge.$(OBJEXT)
 stap_merge_OBJECTS = $(am_stap_merge_OBJECTS)
 stap_merge_LDADD = $(LDADD)
 stap_merge_DEPENDENCIES =
-stap_merge_LINK = $(CCLD) $(stap_merge_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
-       $(LDFLAGS) -o $@
+am_stapio_OBJECTS = stapio-stapio.$(OBJEXT) stapio-mainloop.$(OBJEXT) \
+       stapio-common.$(OBJEXT) stapio-ctl.$(OBJEXT) \
+       stapio-relay.$(OBJEXT) stapio-relay_old.$(OBJEXT)
+stapio_OBJECTS = $(am_stapio_OBJECTS)
+stapio_DEPENDENCIES =
 am_staprun_OBJECTS = staprun-staprun.$(OBJEXT) \
-       staprun-mainloop.$(OBJEXT) staprun-symbols.$(OBJEXT) \
-       staprun-ctl.$(OBJEXT) staprun-relay.$(OBJEXT) \
-       staprun-relay_old.$(OBJEXT)
+       staprun-staprun_funcs.$(OBJEXT) staprun-ctl.$(OBJEXT) \
+       staprun-common.$(OBJEXT) staprun-cap.$(OBJEXT) \
+       staprun-symbols.$(OBJEXT)
 staprun_OBJECTS = $(am_staprun_OBJECTS)
 staprun_DEPENDENCIES =
-staprun_LINK = $(CCLD) $(staprun_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
-       $(LDFLAGS) -o $@
-pkglibexecSCRIPT_INSTALL = $(INSTALL_SCRIPT)
-SCRIPTS = $(pkglibexec_SCRIPTS)
-DEFAULT_INCLUDES = -I.@am__isrc@
+DEFAULT_INCLUDES = -I. -I$(srcdir) -I.
 depcomp = $(SHELL) $(top_srcdir)/depcomp
 am__depfiles_maybe = depfiles
 COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
@@ -130,23 +130,20 @@ CXXLD = $(CXX)
 CXXLINK = $(CXXLD) $(AM_CXXFLAGS) $(CXXFLAGS) $(AM_LDFLAGS) $(LDFLAGS) \
        -o $@
 SOURCES = $(loc2c_test_SOURCES) $(stap_SOURCES) $(stap_merge_SOURCES) \
-       $(staprun_SOURCES)
+       $(stapio_SOURCES) $(staprun_SOURCES)
 DIST_SOURCES = $(loc2c_test_SOURCES) $(stap_SOURCES) \
-       $(stap_merge_SOURCES) $(staprun_SOURCES)
+       $(stap_merge_SOURCES) $(stapio_SOURCES) $(staprun_SOURCES)
 RECURSIVE_TARGETS = all-recursive check-recursive dvi-recursive \
        html-recursive info-recursive install-data-recursive \
-       install-dvi-recursive install-exec-recursive \
-       install-html-recursive install-info-recursive \
-       install-pdf-recursive install-ps-recursive install-recursive \
-       installcheck-recursive installdirs-recursive pdf-recursive \
-       ps-recursive uninstall-recursive
+       install-exec-recursive install-info-recursive \
+       install-recursive installcheck-recursive installdirs-recursive \
+       pdf-recursive ps-recursive uninstall-info-recursive \
+       uninstall-recursive
 man1dir = $(mandir)/man1
 man5dir = $(mandir)/man5
 man8dir = $(mandir)/man8
 NROFF = nroff
 MANS = $(dist_man_MANS)
-RECURSIVE_CLEAN_TARGETS = mostlyclean-recursive clean-recursive        \
-  distclean-recursive maintainer-clean-recursive
 ETAGS = etags
 CTAGS = ctags
 DIST_SUBDIRS = testsuite runtime/lket/b2a
@@ -162,11 +159,19 @@ GZIP_ENV = --best
 distuninstallcheck_listfiles = find . -type f -print
 distcleancheck_listfiles = find . -type f -print
 ACLOCAL = @ACLOCAL@
+AMDEP_FALSE = @AMDEP_FALSE@
+AMDEP_TRUE = @AMDEP_TRUE@
 AMTAR = @AMTAR@
 AUTOCONF = @AUTOCONF@
 AUTOHEADER = @AUTOHEADER@
 AUTOMAKE = @AUTOMAKE@
 AWK = @AWK@
+BUILD_CRASHMOD_FALSE = @BUILD_CRASHMOD_FALSE@
+BUILD_CRASHMOD_TRUE = @BUILD_CRASHMOD_TRUE@
+BUILD_ELFUTILS_FALSE = @BUILD_ELFUTILS_FALSE@
+BUILD_ELFUTILS_TRUE = @BUILD_ELFUTILS_TRUE@
+BUILD_LKET_B2A_FALSE = @BUILD_LKET_B2A_FALSE@
+BUILD_LKET_B2A_TRUE = @BUILD_LKET_B2A_TRUE@
 CC = @CC@
 CCDEPMODE = @CCDEPMODE@
 CFLAGS = @CFLAGS@
@@ -184,8 +189,10 @@ ECHO_N = @ECHO_N@
 ECHO_T = @ECHO_T@
 EGREP = @EGREP@
 EXEEXT = @EXEEXT@
-GREP = @GREP@
-INSTALL = @INSTALL@
+HAS_MYSQL_CONFIG_FALSE = @HAS_MYSQL_CONFIG_FALSE@
+HAS_MYSQL_CONFIG_TRUE = @HAS_MYSQL_CONFIG_TRUE@
+HAS_MYSQL_FALSE = @HAS_MYSQL_FALSE@
+HAS_MYSQL_TRUE = @HAS_MYSQL_TRUE@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
 INSTALL_SCRIPT = @INSTALL_SCRIPT@
@@ -196,8 +203,9 @@ LIBS = @LIBS@
 LN_S = @LN_S@
 LTLIBOBJS = @LTLIBOBJS@
 MAINT = @MAINT@
+MAINTAINER_MODE_FALSE = @MAINTAINER_MODE_FALSE@
+MAINTAINER_MODE_TRUE = @MAINTAINER_MODE_TRUE@
 MAKEINFO = @MAKEINFO@
-MKDIR_P = @MKDIR_P@
 MYSQL_CONFIG = @MYSQL_CONFIG@
 OBJEXT = @OBJEXT@
 PACKAGE = @PACKAGE@
@@ -214,12 +222,14 @@ SHELL = @SHELL@
 STRIP = @STRIP@
 U = @U@
 VERSION = @VERSION@
-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_CXX = @ac_ct_CXX@
+ac_ct_RANLIB = @ac_ct_RANLIB@
+ac_ct_STRIP = @ac_ct_STRIP@
+am__fastdepCC_FALSE = @am__fastdepCC_FALSE@
+am__fastdepCC_TRUE = @am__fastdepCC_TRUE@
+am__fastdepCXX_FALSE = @am__fastdepCXX_FALSE@
+am__fastdepCXX_TRUE = @am__fastdepCXX_TRUE@
 am__include = @am__include@
 am__leading_dot = @am__leading_dot@
 am__quote = @am__quote@
@@ -227,39 +237,28 @@ am__tar = @am__tar@
 am__untar = @am__untar@
 bindir = @bindir@
 build_alias = @build_alias@
-builddir = @builddir@
 datadir = @datadir@
-datarootdir = @datarootdir@
-docdir = @docdir@
-dvidir = @dvidir@
 elfutils_abs_srcdir = @elfutils_abs_srcdir@
 exec_prefix = @exec_prefix@
 host_alias = @host_alias@
-htmldir = @htmldir@
 includedir = @includedir@
 infodir = @infodir@
 install_sh = @install_sh@
 libdir = @libdir@
 libexecdir = @libexecdir@
-localedir = @localedir@
 localstatedir = @localstatedir@
 mandir = @mandir@
 mkdir_p = @mkdir_p@
 oldincludedir = @oldincludedir@
-pdfdir = @pdfdir@
 prefix = @prefix@
 program_transform_name = @program_transform_name@
-psdir = @psdir@
 sbindir = @sbindir@
 sharedstatedir = @sharedstatedir@
 sqlite3_LIBS = @sqlite3_LIBS@
-srcdir = @srcdir@
 stap_LIBS = @stap_LIBS@
 subdirs = @subdirs@
 sysconfdir = @sysconfdir@
 target_alias = @target_alias@
-top_builddir = @top_builddir@
-top_srcdir = @top_srcdir@
 AUTOMAKE_OPTIONS = dist-bzip2
 pkglibexecdir = ${libexecdir}/${PACKAGE}
 AM_CPPFLAGS = -DBINDIR='"$(bindir)"' -DPKGDATADIR='"${pkgdatadir}"' -DPKGLIBDIR='"$(pkglibexecdir)"'
@@ -275,19 +274,26 @@ stap_LDADD = @stap_LIBS@ @sqlite3_LIBS@
 stap_CXXFLAGS = $(AM_CXXFLAGS)
 stap_CPPFLAGS = $(AM_CPPFLAGS) $(am__append_1)
 stap_LDFLAGS = $(AM_LDFLAGS) $(am__append_2)
-CLEANFILES = $(am__append_3) $(pkglibexec_SCRIPTS)
+CLEANFILES = $(am__append_3) $(pkglibexec_PROGRAMS)
 
 # This tells automake's "make distcheck" what we need to compile.
 @BUILD_ELFUTILS_TRUE@DISTCHECK_CONFIGURE_FLAGS = --with-elfutils=$(elfutils_abs_srcdir)
 @BUILD_ELFUTILS_TRUE@BUILT_SOURCES = stamp-elfutils
 @BUILD_ELFUTILS_TRUE@stap_DEPENDENCIES = lib-elfutils/libdw.so
-staprun_SOURCES = runtime/staprun/staprun.c runtime/staprun/mainloop.c \
-       runtime/staprun/symbols.c runtime/staprun/ctl.c \
-       runtime/staprun/relay.c runtime/staprun/relay_old.c
+staprun_SOURCES = runtime/staprun/staprun.c runtime/staprun/staprun_funcs.c\
+       runtime/staprun/ctl.c runtime/staprun/common.c \
+       runtime/staprun/cap.c runtime/staprun/symbols.c
 
+staprun_CPPFLAGS = $(AM_CPPFLAGS) -DSINGLE_THREADED
 staprun_CFLAGS = @PROCFLAGS@ $(AM_CFLAGS)
-staprun_LDADD = @PROCFLAGS@ -lpthread
-pkglibexec_SCRIPTS = stp_check
+staprun_LDADD = @PROCFLAGS@ -lcap
+stapio_SOURCES = runtime/staprun/stapio.c \
+       runtime/staprun/mainloop.c runtime/staprun/common.c \
+       runtime/staprun/ctl.c \
+       runtime/staprun/relay.c runtime/staprun/relay_old.c 
+
+stapio_CFLAGS = @PROCFLAGS@ $(AM_CFLAGS)
+stapio_LDADD = @PROCFLAGS@ -lpthread
 loc2c_test_SOURCES = loc2c-test.c loc2c.c
 loc2c_test_CPPFLAGS = $(stap_CPPFLAGS)
 loc2c_test_LDFLAGS = $(stap_LDFLAGS)
@@ -359,7 +365,7 @@ $(ACLOCAL_M4): @MAINTAINER_MODE_TRUE@ $(am__aclocal_m4_deps)
 config.h: stamp-h1
        @if test ! -f $@; then \
          rm -f stamp-h1; \
-         $(MAKE) $(AM_MAKEFLAGS) stamp-h1; \
+         $(MAKE) stamp-h1; \
        else :; fi
 
 stamp-h1: $(srcdir)/config.in $(top_builddir)/config.status
@@ -374,8 +380,6 @@ distclean-hdr:
        -rm -f config.h stamp-h1
 systemtap.spec: $(top_builddir)/config.status $(srcdir)/systemtap.spec.in
        cd $(top_builddir) && $(SHELL) ./config.status $@
-stp_check: $(top_builddir)/config.status $(srcdir)/stp_check.in
-       cd $(top_builddir) && $(SHELL) ./config.status $@
 stap.1: $(top_builddir)/config.status $(srcdir)/stap.1.in
        cd $(top_builddir) && $(SHELL) ./config.status $@
 stapprobes.5: $(top_builddir)/config.status $(srcdir)/stapprobes.5.in
@@ -416,7 +420,7 @@ man/stapprobes.udp.5: $(top_builddir)/config.status $(top_srcdir)/man/stapprobes
        cd $(top_builddir) && $(SHELL) ./config.status $@
 install-binPROGRAMS: $(bin_PROGRAMS)
        @$(NORMAL_INSTALL)
-       test -z "$(bindir)" || $(MKDIR_P) "$(DESTDIR)$(bindir)"
+       test -z "$(bindir)" || $(mkdir_p) "$(DESTDIR)$(bindir)"
        @list='$(bin_PROGRAMS)'; for p in $$list; do \
          p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
          if test -f $$p \
@@ -440,38 +444,45 @@ clean-binPROGRAMS:
 
 clean-noinstPROGRAMS:
        -test -z "$(noinst_PROGRAMS)" || rm -f $(noinst_PROGRAMS)
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-       @rm -f loc2c-test$(EXEEXT)
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-stap$(EXEEXT): $(stap_OBJECTS) $(stap_DEPENDENCIES) 
-       @rm -f stap$(EXEEXT)
-       $(stap_LINK) $(stap_OBJECTS) $(stap_LDADD) $(LIBS)
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-       @rm -f staprun$(EXEEXT)
-       $(staprun_LINK) $(staprun_OBJECTS) $(staprun_LDADD) $(LIBS)
-install-pkglibexecSCRIPTS: $(pkglibexec_SCRIPTS)
+install-pkglibexecPROGRAMS: $(pkglibexec_PROGRAMS)
        @$(NORMAL_INSTALL)
-       test -z "$(pkglibexecdir)" || $(MKDIR_P) "$(DESTDIR)$(pkglibexecdir)"
-       @list='$(pkglibexec_SCRIPTS)'; for p in $$list; do \
-         if test -f "$$p"; then d=; else d="$(srcdir)/"; fi; \
-         if test -f $$d$$p; then \
-           f=`echo "$$p" | sed 's|^.*/||;$(transform)'`; \
-           echo " $(pkglibexecSCRIPT_INSTALL) '$$d$$p' '$(DESTDIR)$(pkglibexecdir)/$$f'"; \
-           $(pkglibexecSCRIPT_INSTALL) "$$d$$p" "$(DESTDIR)$(pkglibexecdir)/$$f"; \
+       test -z "$(pkglibexecdir)" || $(mkdir_p) "$(DESTDIR)$(pkglibexecdir)"
+       @list='$(pkglibexec_PROGRAMS)'; for p in $$list; do \
+         p1=`echo $$p|sed 's/$(EXEEXT)$$//'`; \
+         if test -f $$p \
+         ; then \
+           f=`echo "$$p1" | sed 's,^.*/,,;$(transform);s/$$/$(EXEEXT)/'`; \
+          echo " $(INSTALL_PROGRAM_ENV) $(pkglibexecPROGRAMS_INSTALL) '$$p' '$(DESTDIR)$(pkglibexecdir)/$$f'"; \
+          $(INSTALL_PROGRAM_ENV) $(pkglibexecPROGRAMS_INSTALL) "$$p" "$(DESTDIR)$(pkglibexecdir)/$$f" || exit 1; \
          else :; fi; \
        done
 
-uninstall-pkglibexecSCRIPTS:
+uninstall-pkglibexecPROGRAMS:
        @$(NORMAL_UNINSTALL)
-       @list='$(pkglibexec_SCRIPTS)'; for p in $$list; do \
-         f=`echo "$$p" | sed 's|^.*/||;$(transform)'`; \
+       @list='$(pkglibexec_PROGRAMS)'; for p in $$list; do \
+         f=`echo "$$p" | sed 's,^.*/,,;s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/'`; \
          echo " rm -f '$(DESTDIR)$(pkglibexecdir)/$$f'"; \
          rm -f "$(DESTDIR)$(pkglibexecdir)/$$f"; \
        done
 
+clean-pkglibexecPROGRAMS:
+       -test -z "$(pkglibexec_PROGRAMS)" || rm -f $(pkglibexec_PROGRAMS)
+loc2c-test$(EXEEXT): $(loc2c_test_OBJECTS) $(loc2c_test_DEPENDENCIES) 
+       @rm -f loc2c-test$(EXEEXT)
+       $(LINK) $(loc2c_test_LDFLAGS) $(loc2c_test_OBJECTS) $(loc2c_test_LDADD) $(LIBS)
+stap$(EXEEXT): $(stap_OBJECTS) $(stap_DEPENDENCIES) 
+       @rm -f stap$(EXEEXT)
+       $(CXXLINK) $(stap_LDFLAGS) $(stap_OBJECTS) $(stap_LDADD) $(LIBS)
+stap_merge$(EXEEXT): $(stap_merge_OBJECTS) $(stap_merge_DEPENDENCIES) 
+       @rm -f stap_merge$(EXEEXT)
+       $(LINK) $(stap_merge_LDFLAGS) $(stap_merge_OBJECTS) $(stap_merge_LDADD) $(LIBS)
+stapio$(EXEEXT): $(stapio_OBJECTS) $(stapio_DEPENDENCIES) 
+       @rm -f stapio$(EXEEXT)
+       $(LINK) $(stapio_LDFLAGS) $(stapio_OBJECTS) $(stapio_LDADD) $(LIBS)
+staprun$(EXEEXT): $(staprun_OBJECTS) $(staprun_DEPENDENCIES) 
+       @rm -f staprun$(EXEEXT)
+       $(LINK) $(staprun_LDFLAGS) $(staprun_OBJECTS) $(staprun_LDADD) $(LIBS)
+
 mostlyclean-compile:
        -rm -f *.$(OBJEXT)
 
@@ -494,351 +505,442 @@ distclean-compile:
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stapio-ctl.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stapio-mainloop.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stapio-relay.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stapio-relay_old.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stapio-stapio.Po@am__quote@
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+@am__fastdepCC_TRUE@   then mv -f "$(DEPDIR)/stap-loc2c.Tpo" "$(DEPDIR)/stap-loc2c.Po"; else rm -f "$(DEPDIR)/stap-loc2c.Tpo"; exit 1; fi
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 stap-staptree.o: staptree.cxx
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 stap-staptree.obj: staptree.cxx
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 stap-elaborate.o: elaborate.cxx
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 stap-elaborate.obj: elaborate.cxx
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 stap-translate.o: translate.cxx
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 stap-translate.obj: translate.cxx
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 stap-tapsets.o: tapsets.cxx
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 stap-tapsets.obj: tapsets.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-tapsets.obj -MD -MP -MF $(DEPDIR)/stap-tapsets.Tpo -c -o stap-tapsets.obj `if test -f 'tapsets.cxx'; then $(CYGPATH_W) 'tapsets.cxx'; else $(CYGPATH_W) '$(srcdir)/tapsets.cxx'; fi`
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-tapsets.Tpo $(DEPDIR)/stap-tapsets.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-tapsets.obj -MD -MP -MF "$(DEPDIR)/stap-tapsets.Tpo" -c -o stap-tapsets.obj `if test -f 'tapsets.cxx'; then $(CYGPATH_W) 'tapsets.cxx'; else $(CYGPATH_W) '$(srcdir)/tapsets.cxx'; fi`; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-tapsets.Tpo" "$(DEPDIR)/stap-tapsets.Po"; else rm -f "$(DEPDIR)/stap-tapsets.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='tapsets.cxx' object='stap-tapsets.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-tapsets.obj `if test -f 'tapsets.cxx'; then $(CYGPATH_W) 'tapsets.cxx'; else $(CYGPATH_W) '$(srcdir)/tapsets.cxx'; fi`
 
 stap-buildrun.o: buildrun.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-buildrun.o -MD -MP -MF $(DEPDIR)/stap-buildrun.Tpo -c -o stap-buildrun.o `test -f 'buildrun.cxx' || echo '$(srcdir)/'`buildrun.cxx
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-buildrun.Tpo $(DEPDIR)/stap-buildrun.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-buildrun.o -MD -MP -MF "$(DEPDIR)/stap-buildrun.Tpo" -c -o stap-buildrun.o `test -f 'buildrun.cxx' || echo '$(srcdir)/'`buildrun.cxx; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-buildrun.Tpo" "$(DEPDIR)/stap-buildrun.Po"; else rm -f "$(DEPDIR)/stap-buildrun.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='buildrun.cxx' object='stap-buildrun.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-buildrun.o `test -f 'buildrun.cxx' || echo '$(srcdir)/'`buildrun.cxx
 
 stap-buildrun.obj: buildrun.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-buildrun.obj -MD -MP -MF $(DEPDIR)/stap-buildrun.Tpo -c -o stap-buildrun.obj `if test -f 'buildrun.cxx'; then $(CYGPATH_W) 'buildrun.cxx'; else $(CYGPATH_W) '$(srcdir)/buildrun.cxx'; fi`
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-buildrun.Tpo $(DEPDIR)/stap-buildrun.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-buildrun.obj -MD -MP -MF "$(DEPDIR)/stap-buildrun.Tpo" -c -o stap-buildrun.obj `if test -f 'buildrun.cxx'; then $(CYGPATH_W) 'buildrun.cxx'; else $(CYGPATH_W) '$(srcdir)/buildrun.cxx'; fi`; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-buildrun.Tpo" "$(DEPDIR)/stap-buildrun.Po"; else rm -f "$(DEPDIR)/stap-buildrun.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='buildrun.cxx' object='stap-buildrun.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-buildrun.obj `if test -f 'buildrun.cxx'; then $(CYGPATH_W) 'buildrun.cxx'; else $(CYGPATH_W) '$(srcdir)/buildrun.cxx'; fi`
 
 stap-hash.o: hash.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-hash.o -MD -MP -MF $(DEPDIR)/stap-hash.Tpo -c -o stap-hash.o `test -f 'hash.cxx' || echo '$(srcdir)/'`hash.cxx
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-hash.Tpo $(DEPDIR)/stap-hash.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-hash.o -MD -MP -MF "$(DEPDIR)/stap-hash.Tpo" -c -o stap-hash.o `test -f 'hash.cxx' || echo '$(srcdir)/'`hash.cxx; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-hash.Tpo" "$(DEPDIR)/stap-hash.Po"; else rm -f "$(DEPDIR)/stap-hash.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='hash.cxx' object='stap-hash.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-hash.o `test -f 'hash.cxx' || echo '$(srcdir)/'`hash.cxx
 
 stap-hash.obj: hash.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-hash.obj -MD -MP -MF $(DEPDIR)/stap-hash.Tpo -c -o stap-hash.obj `if test -f 'hash.cxx'; then $(CYGPATH_W) 'hash.cxx'; else $(CYGPATH_W) '$(srcdir)/hash.cxx'; fi`
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-hash.Tpo $(DEPDIR)/stap-hash.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-hash.obj -MD -MP -MF "$(DEPDIR)/stap-hash.Tpo" -c -o stap-hash.obj `if test -f 'hash.cxx'; then $(CYGPATH_W) 'hash.cxx'; else $(CYGPATH_W) '$(srcdir)/hash.cxx'; fi`; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-hash.Tpo" "$(DEPDIR)/stap-hash.Po"; else rm -f "$(DEPDIR)/stap-hash.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='hash.cxx' object='stap-hash.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-hash.obj `if test -f 'hash.cxx'; then $(CYGPATH_W) 'hash.cxx'; else $(CYGPATH_W) '$(srcdir)/hash.cxx'; fi`
 
 stap-cache.o: cache.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-cache.o -MD -MP -MF $(DEPDIR)/stap-cache.Tpo -c -o stap-cache.o `test -f 'cache.cxx' || echo '$(srcdir)/'`cache.cxx
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-cache.Tpo $(DEPDIR)/stap-cache.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-cache.o -MD -MP -MF "$(DEPDIR)/stap-cache.Tpo" -c -o stap-cache.o `test -f 'cache.cxx' || echo '$(srcdir)/'`cache.cxx; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-cache.Tpo" "$(DEPDIR)/stap-cache.Po"; else rm -f "$(DEPDIR)/stap-cache.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='cache.cxx' object='stap-cache.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-cache.o `test -f 'cache.cxx' || echo '$(srcdir)/'`cache.cxx
 
 stap-cache.obj: cache.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-cache.obj -MD -MP -MF $(DEPDIR)/stap-cache.Tpo -c -o stap-cache.obj `if test -f 'cache.cxx'; then $(CYGPATH_W) 'cache.cxx'; else $(CYGPATH_W) '$(srcdir)/cache.cxx'; fi`
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-cache.Tpo $(DEPDIR)/stap-cache.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-cache.obj -MD -MP -MF "$(DEPDIR)/stap-cache.Tpo" -c -o stap-cache.obj `if test -f 'cache.cxx'; then $(CYGPATH_W) 'cache.cxx'; else $(CYGPATH_W) '$(srcdir)/cache.cxx'; fi`; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-cache.Tpo" "$(DEPDIR)/stap-cache.Po"; else rm -f "$(DEPDIR)/stap-cache.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='cache.cxx' object='stap-cache.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-cache.obj `if test -f 'cache.cxx'; then $(CYGPATH_W) 'cache.cxx'; else $(CYGPATH_W) '$(srcdir)/cache.cxx'; fi`
 
 stap-util.o: util.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-util.o -MD -MP -MF $(DEPDIR)/stap-util.Tpo -c -o stap-util.o `test -f 'util.cxx' || echo '$(srcdir)/'`util.cxx
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-util.Tpo $(DEPDIR)/stap-util.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-util.o -MD -MP -MF "$(DEPDIR)/stap-util.Tpo" -c -o stap-util.o `test -f 'util.cxx' || echo '$(srcdir)/'`util.cxx; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-util.Tpo" "$(DEPDIR)/stap-util.Po"; else rm -f "$(DEPDIR)/stap-util.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='util.cxx' object='stap-util.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-util.o `test -f 'util.cxx' || echo '$(srcdir)/'`util.cxx
 
 stap-util.obj: util.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-util.obj -MD -MP -MF $(DEPDIR)/stap-util.Tpo -c -o stap-util.obj `if test -f 'util.cxx'; then $(CYGPATH_W) 'util.cxx'; else $(CYGPATH_W) '$(srcdir)/util.cxx'; fi`
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-util.Tpo $(DEPDIR)/stap-util.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-util.obj -MD -MP -MF "$(DEPDIR)/stap-util.Tpo" -c -o stap-util.obj `if test -f 'util.cxx'; then $(CYGPATH_W) 'util.cxx'; else $(CYGPATH_W) '$(srcdir)/util.cxx'; fi`; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-util.Tpo" "$(DEPDIR)/stap-util.Po"; else rm -f "$(DEPDIR)/stap-util.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='util.cxx' object='stap-util.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-util.obj `if test -f 'util.cxx'; then $(CYGPATH_W) 'util.cxx'; else $(CYGPATH_W) '$(srcdir)/util.cxx'; fi`
 
 stap-coveragedb.o: coveragedb.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-coveragedb.o -MD -MP -MF $(DEPDIR)/stap-coveragedb.Tpo -c -o stap-coveragedb.o `test -f 'coveragedb.cxx' || echo '$(srcdir)/'`coveragedb.cxx
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-coveragedb.Tpo $(DEPDIR)/stap-coveragedb.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-coveragedb.o -MD -MP -MF "$(DEPDIR)/stap-coveragedb.Tpo" -c -o stap-coveragedb.o `test -f 'coveragedb.cxx' || echo '$(srcdir)/'`coveragedb.cxx; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-coveragedb.Tpo" "$(DEPDIR)/stap-coveragedb.Po"; else rm -f "$(DEPDIR)/stap-coveragedb.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='coveragedb.cxx' object='stap-coveragedb.o' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-coveragedb.o `test -f 'coveragedb.cxx' || echo '$(srcdir)/'`coveragedb.cxx
 
 stap-coveragedb.obj: coveragedb.cxx
-@am__fastdepCXX_TRUE@  $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-coveragedb.obj -MD -MP -MF $(DEPDIR)/stap-coveragedb.Tpo -c -o stap-coveragedb.obj `if test -f 'coveragedb.cxx'; then $(CYGPATH_W) 'coveragedb.cxx'; else $(CYGPATH_W) '$(srcdir)/coveragedb.cxx'; fi`
-@am__fastdepCXX_TRUE@  mv -f $(DEPDIR)/stap-coveragedb.Tpo $(DEPDIR)/stap-coveragedb.Po
+@am__fastdepCXX_TRUE@  if $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -MT stap-coveragedb.obj -MD -MP -MF "$(DEPDIR)/stap-coveragedb.Tpo" -c -o stap-coveragedb.obj `if test -f 'coveragedb.cxx'; then $(CYGPATH_W) 'coveragedb.cxx'; else $(CYGPATH_W) '$(srcdir)/coveragedb.cxx'; fi`; \
+@am__fastdepCXX_TRUE@  then mv -f "$(DEPDIR)/stap-coveragedb.Tpo" "$(DEPDIR)/stap-coveragedb.Po"; else rm -f "$(DEPDIR)/stap-coveragedb.Tpo"; exit 1; fi
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     source='coveragedb.cxx' object='stap-coveragedb.obj' libtool=no @AMDEPBACKSLASH@
 @AMDEP_TRUE@@am__fastdepCXX_FALSE@     DEPDIR=$(DEPDIR) $(CXXDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCXX_FALSE@ $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(stap_CPPFLAGS) $(CPPFLAGS) $(stap_CXXFLAGS) $(CXXFLAGS) -c -o stap-coveragedb.obj `if test -f 'coveragedb.cxx'; then $(CYGPATH_W) 'coveragedb.cxx'; else $(CYGPATH_W) '$(srcdir)/coveragedb.cxx'; fi`
+uninstall-info-am:
 install-man1: $(man1_MANS) $(man_MANS)
        @$(NORMAL_INSTALL)
-       test -z "$(man1dir)" || $(MKDIR_P) "$(DESTDIR)$(man1dir)"
+       test -z "$(man1dir)" || $(mkdir_p) "$(DESTDIR)$(man1dir)"
        @list='$(man1_MANS) $(dist_man1_MANS) $(nodist_man1_MANS)'; \
        l2='$(man_MANS) $(dist_man_MANS) $(nodist_man_MANS)'; \
        for i in $$l2; do \
@@ -883,7 +985,7 @@ uninstall-man1:
        done
 install-man5: $(man5_MANS) $(man_MANS)
        @$(NORMAL_INSTALL)
-       test -z "$(man5dir)" || $(MKDIR_P) "$(DESTDIR)$(man5dir)"
+       test -z "$(man5dir)" || $(mkdir_p) "$(DESTDIR)$(man5dir)"
        @list='$(man5_MANS) $(dist_man5_MANS) $(nodist_man5_MANS)'; \
        l2='$(man_MANS) $(dist_man_MANS) $(nodist_man_MANS)'; \
        for i in $$l2; do \
@@ -928,7 +1030,7 @@ uninstall-man5:
        done
 install-man8: $(man8_MANS) $(man_MANS)
        @$(NORMAL_INSTALL)
-       test -z "$(man8dir)" || $(MKDIR_P) "$(DESTDIR)$(man8dir)"
+       test -z "$(man8dir)" || $(mkdir_p) "$(DESTDIR)$(man8dir)"
        @list='$(man8_MANS) $(dist_man8_MANS) $(nodist_man8_MANS)'; \
        l2='$(man_MANS) $(dist_man_MANS) $(nodist_man_MANS)'; \
        for i in $$l2; do \
@@ -1003,7 +1105,8 @@ $(RECURSIVE_TARGETS):
          $(MAKE) $(AM_MAKEFLAGS) "$$target-am" || exit 1; \
        fi; test -z "$$fail"
 
-$(RECURSIVE_CLEAN_TARGETS):
+mostlyclean-recursive clean-recursive distclean-recursive \
+maintainer-clean-recursive:
        @failcom='exit 1'; \
        for f in x $$MAKEFLAGS; do \
          case $$f in \
@@ -1105,22 +1208,24 @@ distclean-tags:
 
 distdir: $(DISTFILES)
        $(am__remove_distdir)
-       test -d $(distdir) || mkdir $(distdir)
-       @srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
-       topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
-       list='$(DISTFILES)'; \
-         dist_files=`for file in $$list; do echo $$file; done | \
-         sed -e "s|^$$srcdirstrip/||;t" \
-             -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
-       case $$dist_files in \
-         */*) $(MKDIR_P) `echo "$$dist_files" | \
-                          sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
-                          sort -u` ;; \
-       esac; \
-       for file in $$dist_files; do \
+       mkdir $(distdir)
+       $(mkdir_p) $(distdir)/. $(distdir)/man
+       @srcdirstrip=`echo "$(srcdir)" | sed 's|.|.|g'`; \
+       topsrcdirstrip=`echo "$(top_srcdir)" | sed 's|.|.|g'`; \
+       list='$(DISTFILES)'; for file in $$list; do \
+         case $$file in \
+           $(srcdir)/*) file=`echo "$$file" | sed "s|^$$srcdirstrip/||"`;; \
+           $(top_srcdir)/*) file=`echo "$$file" | sed "s|^$$topsrcdirstrip/|$(top_builddir)/|"`;; \
+         esac; \
          if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+         dir=`echo "$$file" | sed -e 's,/[^/]*$$,,'`; \
+         if test "$$dir" != "$$file" && test "$$dir" != "."; then \
+           dir="/$$dir"; \
+           $(mkdir_p) "$(distdir)$$dir"; \
+         else \
+           dir=''; \
+         fi; \
          if test -d $$d/$$file; then \
-           dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
            if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
              cp -pR $(srcdir)/$$file $(distdir)$$dir || exit 1; \
            fi; \
@@ -1134,7 +1239,7 @@ distdir: $(DISTFILES)
        list='$(DIST_SUBDIRS)'; for subdir in $$list; do \
          if test "$$subdir" = .; then :; else \
            test -d "$(distdir)/$$subdir" \
-           || $(MKDIR_P) "$(distdir)/$$subdir" \
+           || $(mkdir_p) "$(distdir)/$$subdir" \
            || exit 1; \
            distdir=`$(am__cd) $(distdir) && pwd`; \
            top_distdir=`$(am__cd) $(top_distdir) && pwd`; \
@@ -1142,8 +1247,6 @@ distdir: $(DISTFILES)
              $(MAKE) $(AM_MAKEFLAGS) \
                top_distdir="$$top_distdir" \
                distdir="$$distdir/$$subdir" \
-               am__remove_distdir=: \
-               am__skip_length_check=: \
                distdir) \
              || exit 1; \
          fi; \
@@ -1154,7 +1257,7 @@ distdir: $(DISTFILES)
        -find $(distdir) -type d ! -perm -777 -exec chmod a+rwx {} \; -o \
          ! -type d ! -perm -444 -links 1 -exec chmod a+r {} \; -o \
          ! -type d ! -perm -400 -exec chmod a+r {} \; -o \
-         ! -type d ! -perm -444 -exec $(install_sh) -c -m a+r {} {} \; \
+         ! -type d ! -perm -444 -exec $(SHELL) $(install_sh) -c -m a+r {} {} \; \
        || chmod -R a+r $(distdir)
 dist-gzip: distdir
        tardir=$(distdir) && $(am__tar) | GZIP=$(GZIP_ENV) gzip -c >$(distdir).tar.gz
@@ -1229,7 +1332,7 @@ distcheck: dist
        $(am__remove_distdir)
        @(echo "$(distdir) archives ready for distribution: "; \
          list='$(DIST_ARCHIVES)'; for i in $$list; do echo $$i; done) | \
-         sed -e 1h -e 1s/./=/g -e 1p -e 1x -e '$$p' -e '$$x'
+         sed -e '1{h;s/./=/g;p;x;}' -e '$${p;x;}'
 distuninstallcheck:
        @cd $(distuninstallcheck_dir) \
        && test `$(distuninstallcheck_listfiles) | wc -l` -le 1 \
@@ -1252,11 +1355,11 @@ check-am: all-am
 check: $(BUILT_SOURCES)
        $(MAKE) $(AM_MAKEFLAGS) check-recursive
 @BUILD_CRASHMOD_FALSE@all-local:
-all-am: Makefile $(PROGRAMS) $(SCRIPTS) $(MANS) config.h all-local
+all-am: Makefile $(PROGRAMS) $(MANS) config.h all-local
 installdirs: installdirs-recursive
 installdirs-am:
        for dir in "$(DESTDIR)$(bindir)" "$(DESTDIR)$(pkglibexecdir)" "$(DESTDIR)$(man1dir)" "$(DESTDIR)$(man5dir)" "$(DESTDIR)$(man8dir)"; do \
-         test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+         test -z "$$dir" || $(mkdir_p) "$$dir"; \
        done
 install: $(BUILT_SOURCES)
        $(MAKE) $(AM_MAKEFLAGS) install-recursive
@@ -1287,7 +1390,7 @@ maintainer-clean-generic:
 clean: clean-recursive
 
 clean-am: clean-binPROGRAMS clean-generic clean-local \
-       clean-noinstPROGRAMS mostlyclean-am
+       clean-noinstPROGRAMS clean-pkglibexecPROGRAMS mostlyclean-am
 
 distclean: distclean-recursive
        -rm -f $(am__CONFIG_DISTCLEAN_FILES)
@@ -1308,21 +1411,15 @@ info-am:
 
 install-data-am: install-data-local install-man
 
-install-dvi: install-dvi-recursive
-
 install-exec-am: install-binPROGRAMS install-exec-local \
-       install-pkglibexecSCRIPTS
-
-install-html: install-html-recursive
+       install-pkglibexecPROGRAMS
+       @$(NORMAL_INSTALL)
+       $(MAKE) $(AM_MAKEFLAGS) install-exec-hook
 
 install-info: install-info-recursive
 
 install-man: install-man1 install-man5 install-man8
 
-install-pdf: install-pdf-recursive
-
-install-ps: install-ps-recursive
-
 installcheck-am:
 
 maintainer-clean: maintainer-clean-recursive
@@ -1344,35 +1441,35 @@ ps: ps-recursive
 
 ps-am:
 
-uninstall-am: uninstall-binPROGRAMS uninstall-local uninstall-man \
-       uninstall-pkglibexecSCRIPTS
+uninstall-am: uninstall-binPROGRAMS uninstall-info-am uninstall-local \
+       uninstall-man uninstall-pkglibexecPROGRAMS
+
+uninstall-info: uninstall-info-recursive
 
 uninstall-man: uninstall-man1 uninstall-man5 uninstall-man8
 
-.MAKE: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) install-am \
-       install-strip
-
-.PHONY: $(RECURSIVE_CLEAN_TARGETS) $(RECURSIVE_TARGETS) CTAGS GTAGS \
-       all all-am all-local am--refresh check check-am clean \
-       clean-binPROGRAMS clean-generic clean-local \
-       clean-noinstPROGRAMS ctags ctags-recursive dist dist-all \
-       dist-bzip2 dist-gzip dist-hook dist-shar dist-tarZ dist-zip \
-       distcheck distclean distclean-compile distclean-generic \
-       distclean-hdr distclean-tags distcleancheck distdir \
-       distuninstallcheck dvi dvi-am html html-am info info-am \
-       install install-am install-binPROGRAMS install-data \
-       install-data-am install-data-local install-dvi install-dvi-am \
-       install-exec install-exec-am install-exec-local install-html \
-       install-html-am install-info install-info-am install-man \
-       install-man1 install-man5 install-man8 install-pdf \
-       install-pdf-am install-pkglibexecSCRIPTS install-ps \
-       install-ps-am install-strip installcheck installcheck-am \
-       installdirs installdirs-am maintainer-clean \
-       maintainer-clean-generic mostlyclean mostlyclean-compile \
-       mostlyclean-generic pdf pdf-am ps ps-am tags tags-recursive \
-       uninstall uninstall-am uninstall-binPROGRAMS uninstall-local \
+.PHONY: $(RECURSIVE_TARGETS) CTAGS GTAGS all all-am all-local \
+       am--refresh check check-am clean clean-binPROGRAMS \
+       clean-generic clean-local clean-noinstPROGRAMS \
+       clean-pkglibexecPROGRAMS clean-recursive ctags ctags-recursive \
+       dist dist-all dist-bzip2 dist-gzip dist-hook dist-shar \
+       dist-tarZ dist-zip distcheck distclean distclean-compile \
+       distclean-generic distclean-hdr distclean-recursive \
+       distclean-tags distcleancheck distdir distuninstallcheck dvi \
+       dvi-am html html-am info info-am install install-am \
+       install-binPROGRAMS install-data install-data-am \
+       install-data-local install-exec install-exec-am \
+       install-exec-hook install-exec-local install-info \
+       install-info-am install-man install-man1 install-man5 \
+       install-man8 install-pkglibexecPROGRAMS install-strip \
+       installcheck installcheck-am installdirs installdirs-am \
+       maintainer-clean maintainer-clean-generic \
+       maintainer-clean-recursive mostlyclean mostlyclean-compile \
+       mostlyclean-generic mostlyclean-recursive pdf pdf-am ps ps-am \
+       tags tags-recursive uninstall uninstall-am \
+       uninstall-binPROGRAMS uninstall-info-am uninstall-local \
        uninstall-man uninstall-man1 uninstall-man5 uninstall-man8 \
-       uninstall-pkglibexecSCRIPTS
+       uninstall-pkglibexecPROGRAMS
 
 @BUILD_ELFUTILS_TRUE@stamp-elfutils: config.status
 @BUILD_ELFUTILS_TRUE@  $(MAKE) $(AM_MAKEFLAGS) -C build-elfutils all
@@ -1390,6 +1487,9 @@ uninstall-man: uninstall-man1 uninstall-man5 uninstall-man8
 @BUILD_ELFUTILS_TRUE@  done
 @BUILD_ELFUTILS_TRUE@install-exec-local: install-elfutils
 
+install-exec-hook:
+       chmod 04111 "$(DESTDIR)$(bindir)/staprun"
+
 @BUILD_CRASHMOD_TRUE@$(STAPLOG): staplog.c
 @BUILD_CRASHMOD_TRUE@  $(CC) -shared -rdynamic $(LDFLAGS) $(CFLAGS) -fPIC -o $@ $<
 @BUILD_CRASHMOD_TRUE@all-local: $(STAPLOG)

diff --git a/NEWS b/NEWS
index 77597c9b88f7c0e9ab742b9640c451dfafe6bca5..6cd914820d9e1f394cdc07c86f90e160be2a2d2c 100644 (file)
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,11 @@
+* What's new since version 0.5.15?
+
+- New security model.  To install a systemtap kernel module, a user
+must be one of the following: the root user; a member of the 'stapdev'
+group; or a member of the 'stapusr' group.  Members of the stapusr group can
+only use modules located in the /lib/modules/VERSION/systemtap
+directory (where VERSION is the output of "uname -r").
+
 * What's new since version 0.5.14?
 
 - The way in which command line arguments for scripts are substituted has

diff --git a/README.security b/README.security
new file mode 100644 (file)
index 0000000..b53499f
--- /dev/null
+++ b/README.security
@@ -0,0 +1,113 @@
+Systemtap builds kernel modules.  To insert a kernel module on a
+system, root access is needed.
+
+SECURITY MODEL
+==============
+
+Originally sudo(8) was used to grant root acess.  After compiling a
+new kernel module, stap ran "sudo staprun module_path".  This worked,
+but required all systemtap users to have root access.  Many sysadmins
+on enterprise systems do not have root access.
+
+So, a new security model was developed.  To run the staprun program
+(which install systemtap kernel modules), a user must be one of the
+following:
+
+ * the root user;
+
+ * a member of the 'stapdev' group; or
+
+ * a member of the 'stapusr' group.  Members of the stapusr group can
+   only use modules located in the /lib/modules/VERSION/systemtap
+   directory (where VERSION is the output of "uname -r").  This
+   directory must be owned by root and not be world writable.
+
+So, there are two classes of users: systemap developers (the root user
+and members of the stapdev group) and systemtap users (members of the
+stapusr group).  Systemtap developers can compile and run any
+systemtap script.  Systemtap users can only run "approved"
+pre-compiled modules located in /lib/modules/VERSION/systemtap.
+
+USAGE
+=====
+
+Here's the usage case.  A systemtap developer hears of a problem on a
+production machine (which doesn't have a compiler or kernel debuginfo
+installed).  So, he write a systemtap script to probe certain areas of
+the kernel that will give him a better idea of what is going on.  He
+develops the script on a development machine (that has the compiler
+and kernel debuginfo installed).  Once he is satisfied with the
+systemtap script, he creates the systemtap kernel module and copies it
+to /lib/modules/VERSION/systemtap on the target production machine.
+He then asks a systemtap user on that machine to run the module and
+report the results.
+
+The above usage case would look something like this:
+
+On the development machine:
+# vi pmod.stp
+(The systemtap developer writes the systemtap script.)
+
+# stap -m pmod pmod.stp
+(The systemtap developer compiles and runs the script.  If necessary,
+the script may need to be edited to fix any errors.)
+
+# scp pmod.ko prod_machine:/lib/modules/`uname -r`/systemtap
+(The systemtap develop copies the compiled kernel module to the proper
+directory on the production machine.  Of course other methods - ftp,
+nfs, etc. could be used to transfer the module.)
+
+On the production machine:
+$ staprun pmod
+(The systemtap user runs the newly developed systemtap kernel module.)
+
+There are (at least) 2 different usage scenarios for the
+/lib/modules/VERSION/systemtap directory.
+
+1) Most restrictive useage.  If only root should be able to able to
+add "approved" systemtap modules to /lib/modules/VERSION/systemtap,
+the permissions should be 755, like this:
+
+drwxr-xr-x 2 root root 4096 2007-08-07 13:54 systemtap/
+
+2) More permissive usage.  If all systemtap developers should be able
+to add "approved" systemtap modules to /lib/modules/VERSION/system,
+its permissions should be 775 (and be owned by root, group stapdev),
+like this:
+
+drwxrwxr-x 2 root stapdev 4096 2007-08-07 13:54 systemtap/
+
+INTERNALS
+=========
+
+To accomplish the new security model, staprun has been split into two
+programs: staprun and stapio.
+
+Here is a description of a typical systemtap session.  The staprun
+program is a setuid program that does some system setup, loads the
+kernel module, then runs stapio (and waits for it to finish).  The
+stapio program runs as the invoking user and is responsible for all
+communication with the kernel module.  After the script runs to
+completion, stapio exits and staprun unloads the kermel module.
+
+staprun is a setuid program that uses POSIX capabilities.  Using POSIX
+capabilities allows the program to only have the privileges to do
+certain things.  When staprun starts up, it only keeps the following
+POSIX capabilities and then switches its user-id/group-id to the
+invoking user:
+
+ * CAP_SYS_MODULE - insert and remove kernel modules
+ * CAP_SYS_ADMIN - misc, including mounting and unmounting
+ * CAP_SYS_NICE - setpriority()
+ * CAP_SETUID - allows setuid
+ * CAP_SETGID - allows setgid
+
+The above capabilities are the permitted set of capabilities for
+staprun, which is the list of all the capabilities staprun is ever
+permitted to have.  In addition, the effective set of capabilites, the
+capabilities from the permitted set that are currently enabled, is
+cleared.  When needed, a particular capability is enabled, the
+operation is performed, then the capability is disabled.  The staprun
+program was designed this way to prevent several classes of security
+attacks. Security is also heightened by the fact that the only
+external program that staprun executes is stapio.

diff --git a/aclocal.m4 b/aclocal.m4
index 9d70920d70778417461d1ade1ea955e209c9974e..830ac8afa669b9ce6bba6ab2426be7f74bf08c4f 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,7 +1,7 @@
-# generated automatically by aclocal 1.10 -*- Autoconf -*-
+# generated automatically by aclocal 1.9.6 -*- Autoconf -*-
 
 # Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006  Free Software Foundation, Inc.
+# 2005  Free Software Foundation, Inc.
 # This file 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.
@@ -11,12 +11,7 @@
 # even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 # PARTICULAR PURPOSE.
 
-m4_if(m4_PACKAGE_VERSION, [2.61],,
-[m4_fatal([this file was generated for autoconf 2.61.
-You have another version of autoconf.  If you want to use that,
-you should regenerate the build system entirely.], [63])])
-
-# Copyright (C) 2002, 2003, 2005, 2006  Free Software Foundation, Inc.
+# Copyright (C) 2002, 2003, 2005  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -26,29 +21,14 @@ you should regenerate the build system entirely.], [63])])
 # ----------------------------
 # Automake X.Y traces this macro to ensure aclocal.m4 has been
 # generated from the m4 files accompanying Automake X.Y.
-# (This private macro should not be called outside this file.)
-AC_DEFUN([AM_AUTOMAKE_VERSION],
-[am__api_version='1.10'
-dnl Some users find AM_AUTOMAKE_VERSION and mistake it for a way to
-dnl require some minimum version.  Point them to the right macro.
-m4_if([$1], [1.10], [],
-      [AC_FATAL([Do not call $0, use AM_INIT_AUTOMAKE([$1]).])])dnl
-])
-
-# _AM_AUTOCONF_VERSION(VERSION)
-# -----------------------------
-# aclocal traces this macro to find the Autoconf version.
-# This is a private macro too.  Using m4_define simplifies
-# the logic in aclocal, which can simply ignore this definition.
-m4_define([_AM_AUTOCONF_VERSION], [])
+AC_DEFUN([AM_AUTOMAKE_VERSION], [am__api_version="1.9"])
 
 # AM_SET_CURRENT_AUTOMAKE_VERSION
 # -------------------------------
-# Call AM_AUTOMAKE_VERSION and AM_AUTOMAKE_VERSION so they can be traced.
+# Call AM_AUTOMAKE_VERSION so it can be traced.
 # This function is AC_REQUIREd by AC_INIT_AUTOMAKE.
 AC_DEFUN([AM_SET_CURRENT_AUTOMAKE_VERSION],
-[AM_AUTOMAKE_VERSION([1.10])dnl
-_AM_AUTOCONF_VERSION(m4_PACKAGE_VERSION)])
+        [AM_AUTOMAKE_VERSION([1.9.6])])
 
 # AM_AUX_DIR_EXPAND                                         -*- Autoconf -*-
 
@@ -128,14 +108,14 @@ AU_DEFUN([fp_PROG_CC_STDC])
 
 # AM_CONDITIONAL                                            -*- Autoconf -*-
 
-# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006
+# Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005
 # Free Software Foundation, Inc.
 #
 # This file 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.
 
-# serial 8
+# serial 7
 
 # AM_CONDITIONAL(NAME, SHELL-CONDITION)
 # -------------------------------------
@@ -144,10 +124,8 @@ AC_DEFUN([AM_CONDITIONAL],
 [AC_PREREQ(2.52)dnl
  ifelse([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
        [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
-AC_SUBST([$1_TRUE])dnl
-AC_SUBST([$1_FALSE])dnl
-_AM_SUBST_NOTMAKE([$1_TRUE])dnl
-_AM_SUBST_NOTMAKE([$1_FALSE])dnl
+AC_SUBST([$1_TRUE])
+AC_SUBST([$1_FALSE])
 if $2; then
   $1_TRUE=
   $1_FALSE='#'
@@ -161,14 +139,15 @@ AC_CONFIG_COMMANDS_PRE(
 Usually this means the macro was only invoked conditionally.]])
 fi])])
 
-# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+
+# Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
 # Free Software Foundation, Inc.
 #
 # This file 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.
 
-# serial 9
+# serial 8
 
 # There are a few dirty hacks below to avoid letting `AC_PROG_CC' be
 # written in clear, in which case automake, when reading aclocal.m4,
@@ -196,7 +175,6 @@ AC_REQUIRE([AM_DEP_TRACK])dnl
 ifelse([$1], CC,   [depcc="$CC"   am_compiler_list=],
        [$1], CXX,  [depcc="$CXX"  am_compiler_list=],
        [$1], OBJC, [depcc="$OBJC" am_compiler_list='gcc3 gcc'],
-       [$1], UPC,  [depcc="$UPC"  am_compiler_list=],
        [$1], GCJ,  [depcc="$GCJ"  am_compiler_list='gcc3 gcc'],
                    [depcc="$$1"   am_compiler_list=])
 
@@ -262,7 +240,6 @@ AC_CACHE_CHECK([dependency style of $depcc],
        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
        $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
          >/dev/null 2>conftest.err &&
-       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
@@ -315,8 +292,7 @@ if test "x$enable_dependency_tracking" != xno; then
   AMDEPBACKSLASH='\'
 fi
 AM_CONDITIONAL([AMDEP], [test "x$enable_dependency_tracking" != xno])
-AC_SUBST([AMDEPBACKSLASH])dnl
-_AM_SUBST_NOTMAKE([AMDEPBACKSLASH])dnl
+AC_SUBST([AMDEPBACKSLASH])
 ])
 
 # Generate code to set up dependency tracking.              -*- Autoconf -*-
@@ -341,9 +317,8 @@ AC_DEFUN([_AM_OUTPUT_DEPENDENCY_COMMANDS],
   # some people rename them; so instead we look at the file content.
   # Grep'ing the first line is not enough: some people post-process
   # each Makefile.in and add a new line on top of each file to say so.
-  # Grep'ing the whole file is not good either: AIX grep has a line
-  # limit of 2048, but all sed's we know have understand at least 4000.
-  if sed 10q "$mf" | grep '^#.*generated by automake' > /dev/null 2>&1; then
+  # So let's grep whole file.
+  if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
     dirpart=`AS_DIRNAME("$mf")`
   else
     continue
@@ -390,8 +365,8 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 
 # Do all the work for Automake.                             -*- Autoconf -*-
 
-# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
-# 2005, 2006 Free Software Foundation, Inc.
+# Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
+# Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -414,20 +389,16 @@ AC_DEFUN([AM_OUTPUT_DEPENDENCY_COMMANDS],
 # arguments mandatory, and then we can depend on a new Autoconf
 # release and drop the old call support.
 AC_DEFUN([AM_INIT_AUTOMAKE],
-[AC_PREREQ([2.60])dnl
+[AC_PREREQ([2.58])dnl
 dnl Autoconf wants to disallow AM_ names.  We explicitly allow
 dnl the ones we care about.
 m4_pattern_allow([^AM_[A-Z]+FLAGS$])dnl
 AC_REQUIRE([AM_SET_CURRENT_AUTOMAKE_VERSION])dnl
 AC_REQUIRE([AC_PROG_INSTALL])dnl
-if test "`cd $srcdir && pwd`" != "`pwd`"; then
-  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
-  # is not polluted with repeated "-I."
-  AC_SUBST([am__isrc], [' -I$(srcdir)'])_AM_SUBST_NOTMAKE([am__isrc])dnl
-  # test to see if srcdir already configured
-  if test -f $srcdir/config.status; then
-    AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
-  fi
+# test to see if srcdir already configured
+if test "`cd $srcdir && pwd`" != "`pwd`" &&
+   test -f $srcdir/config.status; then
+  AC_MSG_ERROR([source directory already configured; run "make distclean" there first])
 fi
 
 # test whether we have cygpath
@@ -447,9 +418,6 @@ m4_ifval([$2],
  AC_SUBST([PACKAGE], [$1])dnl
  AC_SUBST([VERSION], [$2])],
 [_AM_SET_OPTIONS([$1])dnl
-dnl Diagnose old-style AC_INIT with new-style AM_AUTOMAKE_INIT.
-m4_if(m4_ifdef([AC_PACKAGE_NAME], 1)m4_ifdef([AC_PACKAGE_VERSION], 1), 11,,
-  [m4_fatal([AC_INIT should be called with package and version arguments])])dnl
  AC_SUBST([PACKAGE], ['AC_PACKAGE_TARNAME'])dnl
  AC_SUBST([VERSION], ['AC_PACKAGE_VERSION'])])dnl
 
@@ -485,10 +453,6 @@ AC_PROVIDE_IFELSE([AC_PROG_CXX],
                   [_AM_DEPENDENCIES(CXX)],
                   [define([AC_PROG_CXX],
                           defn([AC_PROG_CXX])[_AM_DEPENDENCIES(CXX)])])dnl
-AC_PROVIDE_IFELSE([AC_PROG_OBJC],
-                  [_AM_DEPENDENCIES(OBJC)],
-                  [define([AC_PROG_OBJC],
-                          defn([AC_PROG_OBJC])[_AM_DEPENDENCIES(OBJC)])])dnl
 ])
 ])
 
@@ -524,7 +488,7 @@ echo "timestamp for $1" >`AS_DIRNAME([$1])`/stamp-h[]$_am_stamp_count])
 # Define $install_sh.
 AC_DEFUN([AM_PROG_INSTALL_SH],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
-install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
+install_sh=${install_sh-"$am_aux_dir/install-sh"}
 AC_SUBST(install_sh)])
 
 # Copyright (C) 2003, 2005  Free Software Foundation, Inc.
@@ -629,14 +593,13 @@ AC_MSG_RESULT([$_am_result])
 rm -f confinc confmf
 ])
 
-# Copyright (C) 1999, 2000, 2001, 2003, 2004, 2005
-# Free Software Foundation, Inc.
+# Copyright (C) 1999, 2000, 2001, 2003, 2005  Free Software Foundation, Inc.
 #
 # This file 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.
 
-# serial 5
+# serial 3
 
 # AM_PROG_CC_C_O
 # --------------
@@ -644,7 +607,6 @@ rm -f confinc confmf
 AC_DEFUN([AM_PROG_CC_C_O],
 [AC_REQUIRE([AC_PROG_CC_C_O])dnl
 AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
-AC_REQUIRE_AUX_FILE([compile])dnl
 # FIXME: we rely on the cache variable name because
 # there is no other way.
 set dummy $CC
@@ -657,22 +619,18 @@ if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
    # and then we could set am__CC="\$(top_srcdir)/compile \$(CC)"
    CC="$am_aux_dir/compile $CC"
 fi
-dnl Make sure AC_PROG_CC is never called again, or it will override our
-dnl setting of CC.
-m4_define([AC_PROG_CC],
-          [m4_fatal([AC_PROG_CC cannot be called after AM_PROG_CC_C_O])])
 ])
 
 # Fake the existence of programs that GNU maintainers use.  -*- Autoconf -*-
 
-# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2004, 2005
+# Copyright (C) 1997, 1999, 2000, 2001, 2003, 2005
 # Free Software Foundation, Inc.
 #
 # This file 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.
 
-# serial 5
+# serial 4
 
 # AM_MISSING_PROG(NAME, PROGRAM)
 # ------------------------------
@@ -688,7 +646,6 @@ AC_SUBST($1)])
 # If it does, set am_missing_run to use it, otherwise, to nothing.
 AC_DEFUN([AM_MISSING_HAS_RUN],
 [AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
-AC_REQUIRE_AUX_FILE([missing])dnl
 test x"${MISSING+set}" = xset || MISSING="\${SHELL} $am_aux_dir/missing"
 # Use eval to expand $SHELL
 if eval "$MISSING --run true"; then
@@ -699,7 +656,7 @@ else
 fi
 ])
 
-# Copyright (C) 2003, 2004, 2005, 2006  Free Software Foundation, Inc.
+# Copyright (C) 2003, 2004, 2005  Free Software Foundation, Inc.
 #
 # This file is free software; the Free Software Foundation
 # gives unlimited permission to copy and/or distribute it,
@@ -707,23 +664,60 @@ fi
 
 # AM_PROG_MKDIR_P
 # ---------------
-# Check for `mkdir -p'.
+# Check whether `mkdir -p' is supported, fallback to mkinstalldirs otherwise.
+#
+# Automake 1.8 used `mkdir -m 0755 -p --' to ensure that directories
+# created by `make install' are always world readable, even if the
+# installer happens to have an overly restrictive umask (e.g. 077).
+# This was a mistake.  There are at least two reasons why we must not
+# use `-m 0755':
+#   - it causes special bits like SGID to be ignored,
+#   - it may be too restrictive (some setups expect 775 directories).
+#
+# Do not use -m 0755 and let people choose whatever they expect by
+# setting umask.
+#
+# We cannot accept any implementation of `mkdir' that recognizes `-p'.
+# Some implementations (such as Solaris 8's) are not thread-safe: if a
+# parallel make tries to run `mkdir -p a/b' and `mkdir -p a/c'
+# concurrently, both version can detect that a/ is missing, but only
+# one can create it and the other will error out.  Consequently we
+# restrict ourselves to GNU make (using the --version option ensures
+# this.)
 AC_DEFUN([AM_PROG_MKDIR_P],
-[AC_PREREQ([2.60])dnl
-AC_REQUIRE([AC_PROG_MKDIR_P])dnl
-dnl Automake 1.8 to 1.9.6 used to define mkdir_p.  We now use MKDIR_P,
-dnl while keeping a definition of mkdir_p for backward compatibility.
-dnl @MKDIR_P@ is magic: AC_OUTPUT adjusts its value for each Makefile.
-dnl However we cannot define mkdir_p as $(MKDIR_P) for the sake of
-dnl Makefile.ins that do not define MKDIR_P, so we do our own
-dnl adjustment using top_builddir (which is defined more often than
-dnl MKDIR_P).
-AC_SUBST([mkdir_p], ["$MKDIR_P"])dnl
-case $mkdir_p in
-  [[\\/$]]* | ?:[[\\/]]*) ;;
-  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
-esac
-])
+[if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
+  # We used to keeping the `.' as first argument, in order to
+  # allow $(mkdir_p) to be used without argument.  As in
+  #   $(mkdir_p) $(somedir)
+  # where $(somedir) is conditionally defined.  However this is wrong
+  # for two reasons:
+  #  1. if the package is installed by a user who cannot write `.'
+  #     make install will fail,
+  #  2. the above comment should most certainly read
+  #     $(mkdir_p) $(DESTDIR)$(somedir)
+  #     so it does not work when $(somedir) is undefined and
+  #     $(DESTDIR) is not.
+  #  To support the latter case, we have to write
+  #     test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
+  #  so the `.' trick is pointless.
+  mkdir_p='mkdir -p --'
+else
+  # On NextStep and OpenStep, the `mkdir' command does not
+  # recognize any option.  It will interpret all options as
+  # directories to create, and then abort because `.' already
+  # exists.
+  for d in ./-p ./--version;
+  do
+    test -d $d && rmdir $d
+  done
+  # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
+  if test -f "$ac_aux_dir/mkinstalldirs"; then
+    mkdir_p='$(mkinstalldirs)'
+  else
+    mkdir_p='$(install_sh) -d'
+  fi
+fi
+AC_SUBST([mkdir_p])])
 
 # Helper functions for option handling.                     -*- Autoconf -*-
 
@@ -758,14 +752,14 @@ AC_DEFUN([_AM_SET_OPTIONS],
 AC_DEFUN([_AM_IF_OPTION],
 [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
 
-# Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2005, 2006
+# Copyright (C) 1996, 1997, 1998, 2000, 2001, 2002, 2003, 2005
 # Free Software Foundation, Inc.
 #
 # This file 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.
 
-# serial 5
+# serial 4
 
 AC_DEFUN([AM_C_PROTOTYPES],
 [AC_REQUIRE([AC_C_PROTOTYPES])
@@ -776,10 +770,9 @@ else
 fi
 # Ensure some checks needed by ansi2knr itself.
 AC_REQUIRE([AC_HEADER_STDC])
-AC_CHECK_HEADERS([string.h])
-AC_SUBST([U])dnl
-AC_SUBST([ANSI2KNR])dnl
-_AM_SUBST_NOTMAKE([ANSI2KNR])dnl
+AC_CHECK_HEADERS(string.h)
+AC_SUBST(U)dnl
+AC_SUBST(ANSI2KNR)dnl
 ])
 
 AU_DEFUN([fp_C_PROTOTYPES], [AM_C_PROTOTYPES])
@@ -861,21 +854,9 @@ dnl Don't test for $cross_compiling = yes, because it might be `maybe'.
 if test "$cross_compiling" != no; then
   AC_CHECK_TOOL([STRIP], [strip], :)
 fi
-INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
 AC_SUBST([INSTALL_STRIP_PROGRAM])])
 
-# Copyright (C) 2006  Free Software Foundation, Inc.
-#
-# This file 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.
-
-# _AM_SUBST_NOTMAKE(VARIABLE)
-# ---------------------------
-# Prevent Automake from outputing VARIABLE = @VARIABLE@ in Makefile.in.
-# This macro is traced by Automake.
-AC_DEFUN([_AM_SUBST_NOTMAKE])
-
 # Check how to create a tarball.                            -*- Autoconf -*-
 
 # Copyright (C) 2004, 2005  Free Software Foundation, Inc.

diff --git a/buildrun.cxx b/buildrun.cxx
index 2e6d18d73c96e4ba414f4fccec8500399e963a3c..221d04631fc4ae430201a142186079ddb4793857 100644 (file)
--- a/buildrun.cxx
+++ b/buildrun.cxx
@@ -131,11 +131,9 @@ run_pass (systemtap_session& s)
   string username = string(pw->pw_name);
 
   // for now, just spawn staprun
-  string staprun_cmd = string("sudo ") 
-    + string(BINDIR) + "/staprun "
+  string staprun_cmd = string(BINDIR) + "/staprun "
     + (s.verbose>1 ? "-v " : "")
     + (s.verbose>2 ? "-v " : "")
-    + "-u " + username + " "
     + (s.output_file.empty() ? "" : "-o " + s.output_file + " ");
   
   staprun_cmd += "-d " + stringify(getpid()) + " ";

diff --git a/configure b/configure
index 99acf26a171db545870958ca29270e9ac71284b0..3c2d323900b95f4eba3907904496067162c8b617 100755 (executable)
--- a/configure
+++ b/configure
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Guess values for system-dependent variables and create Makefiles.
-# Generated by GNU Autoconf 2.61 for systemtap 0.5.15.
+# Generated by GNU Autoconf 2.61 for systemtap 0.6.
 #
 # Report bugs to <systemtap@sources.redhat.com>.
 #
@@ -574,8 +574,8 @@ SHELL=${CONFIG_SHELL-/bin/sh}
 # Identity of this package.
 PACKAGE_NAME='systemtap'
 PACKAGE_TARNAME='systemtap'
-PACKAGE_VERSION='0.5.15'
-PACKAGE_STRING='systemtap 0.5.15'
+PACKAGE_VERSION='0.6'
+PACKAGE_STRING='systemtap 0.6'
 PACKAGE_BUGREPORT='systemtap@sources.redhat.com'
 
 # Factoring default headers for most tests.
@@ -654,7 +654,6 @@ target_alias
 INSTALL_PROGRAM
 INSTALL_SCRIPT
 INSTALL_DATA
-am__isrc
 CYGPATH_W
 PACKAGE
 VERSION
@@ -1239,7 +1238,7 @@ if test "$ac_init_help" = "long"; then
   # Omit some internal or obsolete options to make the list less imposing.
   # This message is too long to be a string in the A/UX 3.1 sh.
   cat <<_ACEOF
-\`configure' configures systemtap 0.5.15 to adapt to many kinds of systems.
+\`configure' configures systemtap 0.6 to adapt to many kinds of systems.
 
 Usage: $0 [OPTION]... [VAR=VALUE]...
 
@@ -1305,7 +1304,7 @@ fi
 
 if test -n "$ac_init_help"; then
   case $ac_init_help in
-     short | recursive ) echo "Configuration of systemtap 0.5.15:";;
+     short | recursive ) echo "Configuration of systemtap 0.6:";;
    esac
   cat <<\_ACEOF
 
@@ -1403,7 +1402,7 @@ fi
 test -n "$ac_init_help" && exit $ac_status
 if $ac_init_version; then
   cat <<\_ACEOF
-systemtap configure 0.5.15
+systemtap configure 0.6
 generated by GNU Autoconf 2.61
 
 Copyright (C) 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001,
@@ -1417,7 +1416,7 @@ cat >config.log <<_ACEOF
 This file contains any messages produced by compilers while
 running configure, to aid debugging if configure makes a mistake.
 
-It was created by systemtap $as_me 0.5.15, which was
+It was created by systemtap $as_me 0.6, which was
 generated by GNU Autoconf 2.61.  Invocation command line was
 
   $ $0 $@
@@ -1773,8 +1772,7 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 
 
-am__api_version='1.10'
-
+am__api_version="1.9"
 ac_aux_dir=
 for ac_dir in "$srcdir" "$srcdir/.." "$srcdir/../.."; do
   if test -f "$ac_dir/install-sh"; then
@@ -1957,53 +1955,38 @@ else
 echo "$as_me: WARNING: \`missing' script is too old or missing" >&2;}
 fi
 
-{ echo "$as_me:$LINENO: checking for a thread-safe mkdir -p" >&5
-echo $ECHO_N "checking for a thread-safe mkdir -p... $ECHO_C" >&6; }
-if test -z "$MKDIR_P"; then
-  if test "${ac_cv_path_mkdir+set}" = set; then
-  echo $ECHO_N "(cached) $ECHO_C" >&6
-else
-  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
-for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
-do
-  IFS=$as_save_IFS
-  test -z "$as_dir" && as_dir=.
-  for ac_prog in mkdir gmkdir; do
-        for ac_exec_ext in '' $ac_executable_extensions; do
-          { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; } || continue
-          case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
-            'mkdir (GNU coreutils) '* | \
-            'mkdir (coreutils) '* | \
-            'mkdir (fileutils) '4.1*)
-              ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
-              break 3;;
-          esac
-        done
-       done
-done
-IFS=$as_save_IFS
-
-fi
-
-  if test "${ac_cv_path_mkdir+set}" = set; then
-    MKDIR_P="$ac_cv_path_mkdir -p"
+if mkdir -p --version . >/dev/null 2>&1 && test ! -d ./--version; then
+  # We used to keeping the `.' as first argument, in order to
+  # allow $(mkdir_p) to be used without argument.  As in
+  #   $(mkdir_p) $(somedir)
+  # where $(somedir) is conditionally defined.  However this is wrong
+  # for two reasons:
+  #  1. if the package is installed by a user who cannot write `.'
+  #     make install will fail,
+  #  2. the above comment should most certainly read
+  #     $(mkdir_p) $(DESTDIR)$(somedir)
+  #     so it does not work when $(somedir) is undefined and
+  #     $(DESTDIR) is not.
+  #  To support the latter case, we have to write
+  #     test -z "$(somedir)" || $(mkdir_p) $(DESTDIR)$(somedir),
+  #  so the `.' trick is pointless.
+  mkdir_p='mkdir -p --'
+else
+  # On NextStep and OpenStep, the `mkdir' command does not
+  # recognize any option.  It will interpret all options as
+  # directories to create, and then abort because `.' already
+  # exists.
+  for d in ./-p ./--version;
+  do
+    test -d $d && rmdir $d
+  done
+  # $(mkinstalldirs) is defined by Automake if mkinstalldirs exists.
+  if test -f "$ac_aux_dir/mkinstalldirs"; then
+    mkdir_p='$(mkinstalldirs)'
   else
-    # As a last resort, use the slow shell script.  Don't cache a
-    # value for MKDIR_P within a source directory, because that will
-    # break other packages using the cache if that directory is
-    # removed, or if the value is a relative name.
-    test -d ./--version && rmdir ./--version
-    MKDIR_P="$ac_install_sh -d"
+    mkdir_p='$(install_sh) -d'
   fi
 fi
-{ echo "$as_me:$LINENO: result: $MKDIR_P" >&5
-echo "${ECHO_T}$MKDIR_P" >&6; }
-
-mkdir_p="$MKDIR_P"
-case $mkdir_p in
-  [\\/$]* | ?:[\\/]*) ;;
-  */*) mkdir_p="\$(top_builddir)/$mkdir_p" ;;
-esac
 
 for ac_prog in gawk mawk nawk awk
 do
@@ -2086,16 +2069,12 @@ else
 fi
 rmdir .tst 2>/dev/null
 
-if test "`cd $srcdir && pwd`" != "`pwd`"; then
-  # Use -I$(srcdir) only when $(srcdir) != ., so that make's output
-  # is not polluted with repeated "-I."
-  am__isrc=' -I$(srcdir)'
-  # test to see if srcdir already configured
-  if test -f $srcdir/config.status; then
-    { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5
+# test to see if srcdir already configured
+if test "`cd $srcdir && pwd`" != "`pwd`" &&
+   test -f $srcdir/config.status; then
+  { { echo "$as_me:$LINENO: error: source directory already configured; run \"make distclean\" there first" >&5
 echo "$as_me: error: source directory already configured; run \"make distclean\" there first" >&2;}
    { (exit 1); exit 1; }; }
-  fi
 fi
 
 # test whether we have cygpath
@@ -2110,7 +2089,7 @@ fi
 
 # Define the identity of the package.
  PACKAGE='systemtap'
- VERSION='0.5.15'
+ VERSION='0.6'
 
 
 cat >>confdefs.h <<_ACEOF
@@ -2138,7 +2117,7 @@ AUTOHEADER=${AUTOHEADER-"${am_missing_run}autoheader"}
 
 MAKEINFO=${MAKEINFO-"${am_missing_run}makeinfo"}
 
-install_sh=${install_sh-"\$(SHELL) $am_aux_dir/install-sh"}
+install_sh=${install_sh-"$am_aux_dir/install-sh"}
 
 # Installed binaries are usually stripped using `strip' when the user
 # run `make install-strip'.  However `strip' might not be the right
@@ -2242,7 +2221,7 @@ else
 fi
 
 fi
-INSTALL_STRIP_PROGRAM="\$(install_sh) -c -s"
+INSTALL_STRIP_PROGRAM="\${SHELL} \$(install_sh) -c -s"
 
 # We need awk for the "check" target.  The system "awk" is bad on
 # some platforms.
@@ -2267,7 +2246,9 @@ fi
 
   { echo "$as_me:$LINENO: result: $USE_MAINTAINER_MODE" >&5
 echo "${ECHO_T}$USE_MAINTAINER_MODE" >&6; }
-   if test $USE_MAINTAINER_MODE = yes; then
+
+
+if test $USE_MAINTAINER_MODE = yes; then
   MAINTAINER_MODE_TRUE=
   MAINTAINER_MODE_FALSE='#'
 else
@@ -2279,6 +2260,48 @@ fi
 
 
 
+{ echo "$as_me:$LINENO: checking for a thread-safe mkdir -p" >&5
+echo $ECHO_N "checking for a thread-safe mkdir -p... $ECHO_C" >&6; }
+if test -z "$MKDIR_P"; then
+  if test "${ac_cv_path_mkdir+set}" = set; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
+for as_dir in $PATH$PATH_SEPARATOR/opt/sfw/bin
+do
+  IFS=$as_save_IFS
+  test -z "$as_dir" && as_dir=.
+  for ac_prog in mkdir gmkdir; do
+        for ac_exec_ext in '' $ac_executable_extensions; do
+          { test -f "$as_dir/$ac_prog$ac_exec_ext" && $as_test_x "$as_dir/$ac_prog$ac_exec_ext"; } || continue
+          case `"$as_dir/$ac_prog$ac_exec_ext" --version 2>&1` in #(
+            'mkdir (GNU coreutils) '* | \
+            'mkdir (coreutils) '* | \
+            'mkdir (fileutils) '4.1*)
+              ac_cv_path_mkdir=$as_dir/$ac_prog$ac_exec_ext
+              break 3;;
+          esac
+        done
+       done
+done
+IFS=$as_save_IFS
+
+fi
+
+  if test "${ac_cv_path_mkdir+set}" = set; then
+    MKDIR_P="$ac_cv_path_mkdir -p"
+  else
+    # As a last resort, use the slow shell script.  Don't cache a
+    # value for MKDIR_P within a source directory, because that will
+    # break other packages using the cache if that directory is
+    # removed, or if the value is a relative name.
+    test -d ./--version && rmdir ./--version
+    MKDIR_P="$ac_install_sh -d"
+  fi
+fi
+{ echo "$as_me:$LINENO: result: $MKDIR_P" >&5
+echo "${ECHO_T}$MKDIR_P" >&6; }
+
 { echo "$as_me:$LINENO: checking whether ln -s works" >&5
 echo $ECHO_N "checking whether ln -s works... $ECHO_C" >&6; }
 LN_S=$as_ln_s
@@ -3261,7 +3284,9 @@ if test "x$enable_dependency_tracking" != xno; then
   am_depcomp="$ac_aux_dir/depcomp"
   AMDEPBACKSLASH='\'
 fi
- if test "x$enable_dependency_tracking" != xno; then
+
+
+if test "x$enable_dependency_tracking" != xno; then
   AMDEP_TRUE=
   AMDEP_FALSE='#'
 else
@@ -3271,6 +3296,7 @@ fi
 
 
 
+
 depcc="$CC"   am_compiler_list=
 
 { echo "$as_me:$LINENO: checking dependency style of $depcc" >&5
@@ -3338,7 +3364,6 @@ else
        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
        $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
          >/dev/null 2>conftest.err &&
-       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
@@ -3368,7 +3393,9 @@ fi
 echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6; }
 CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
 
- if
+
+
+if
   test "x$enable_dependency_tracking" != xno \
   && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
   am__fastdepCC_TRUE=
@@ -3810,7 +3837,6 @@ else
        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
        $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
          >/dev/null 2>conftest.err &&
-       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
@@ -3840,7 +3866,9 @@ fi
 echo "${ECHO_T}$am_cv_CXX_dependencies_compiler_type" >&6; }
 CXXDEPMODE=depmode=$am_cv_CXX_dependencies_compiler_type
 
- if
+
+
+if
   test "x$enable_dependency_tracking" != xno \
   && test "$am_cv_CXX_dependencies_compiler_type" = gcc3; then
   am__fastdepCXX_TRUE=
@@ -4824,7 +4852,6 @@ else
        depfile=sub/conftest.Po tmpdepfile=sub/conftest.TPo \
        $SHELL ./depcomp $depcc -c -o sub/conftest.${OBJEXT-o} sub/conftest.c \
          >/dev/null 2>conftest.err &&
-       grep sub/conftst1.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftst6.h sub/conftest.Po > /dev/null 2>&1 &&
        grep sub/conftest.${OBJEXT-o} sub/conftest.Po > /dev/null 2>&1 &&
        ${MAKE-make} -s -f confmf > /dev/null 2>&1; then
@@ -4854,7 +4881,9 @@ fi
 echo "${ECHO_T}$am_cv_CC_dependencies_compiler_type" >&6; }
 CCDEPMODE=depmode=$am_cv_CC_dependencies_compiler_type
 
- if
+
+
+if
   test "x$enable_dependency_tracking" != xno \
   && test "$am_cv_CC_dependencies_compiler_type" = gcc3; then
   am__fastdepCC_TRUE=
@@ -4993,7 +5022,6 @@ if eval "test \"`echo '$ac_cv_prog_cc_'${ac_cc}_c_o`\" != yes"; then
    CC="$am_aux_dir/compile $CC"
 fi
 
-
 { echo "$as_me:$LINENO: checking for function prototypes" >&5
 echo $ECHO_N "checking for function prototypes... $ECHO_C" >&6; }
 if test "$ac_cv_prog_cc_c89" != no; then
@@ -6011,7 +6039,9 @@ echo "$as_me: error: --with-elfutils requires an argument" >&2;}
 esac
 fi
 
- if test $build_elfutils = yes; then
+
+
+if test $build_elfutils = yes; then
   BUILD_ELFUTILS_TRUE=
   BUILD_ELFUTILS_FALSE='#'
 else
@@ -6025,7 +6055,9 @@ fi
 `
 
 
- if pkg-config --atleast-version 2.0.0 glib-2.0; then
+
+
+if pkg-config --atleast-version 2.0.0 glib-2.0; then
   BUILD_LKET_B2A_TRUE=
   BUILD_LKET_B2A_FALSE='#'
 else
@@ -6097,7 +6129,9 @@ fi
 
 done
 
- if test $build_crashmod = yes; then
+
+
+if test $build_crashmod = yes; then
   BUILD_CRASHMOD_TRUE=
   BUILD_CRASHMOD_FALSE='#'
 else
@@ -6106,6 +6140,156 @@ else
 fi
 
 
+
+for ac_header in sys/capability.h
+do
+as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  { echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+else
+  # Is the header compilable?
+{ echo "$as_me:$LINENO: checking $ac_header usability" >&5
+echo $ECHO_N "checking $ac_header usability... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+$ac_includes_default
+#include <$ac_header>
+_ACEOF
+rm -f conftest.$ac_objext
+if { (ac_try="$ac_compile"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_compile") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } && {
+        test -z "$ac_c_werror_flag" ||
+        test ! -s conftest.err
+       } && test -s conftest.$ac_objext; then
+  ac_header_compiler=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+       ac_header_compiler=no
+fi
+
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_compiler" >&5
+echo "${ECHO_T}$ac_header_compiler" >&6; }
+
+# Is the header present?
+{ echo "$as_me:$LINENO: checking $ac_header presence" >&5
+echo $ECHO_N "checking $ac_header presence... $ECHO_C" >&6; }
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h.  */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h.  */
+#include <$ac_header>
+_ACEOF
+if { (ac_try="$ac_cpp conftest.$ac_ext"
+case "(($ac_try" in
+  *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
+  *) ac_try_echo=$ac_try;;
+esac
+eval "echo \"\$as_me:$LINENO: $ac_try_echo\"") >&5
+  (eval "$ac_cpp conftest.$ac_ext") 2>conftest.er1
+  ac_status=$?
+  grep -v '^ *+' conftest.er1 >conftest.err
+  rm -f conftest.er1
+  cat conftest.err >&5
+  echo "$as_me:$LINENO: \$? = $ac_status" >&5
+  (exit $ac_status); } >/dev/null && {
+        test -z "$ac_c_preproc_warn_flag$ac_c_werror_flag" ||
+        test ! -s conftest.err
+       }; then
+  ac_header_preproc=yes
+else
+  echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+  ac_header_preproc=no
+fi
+
+rm -f conftest.err conftest.$ac_ext
+{ echo "$as_me:$LINENO: result: $ac_header_preproc" >&5
+echo "${ECHO_T}$ac_header_preproc" >&6; }
+
+# So?  What about this header?
+case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in
+  yes:no: )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&5
+echo "$as_me: WARNING: $ac_header: accepted by the compiler, rejected by the preprocessor!" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the compiler's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the compiler's result" >&2;}
+    ac_header_preproc=yes
+    ;;
+  no:yes:* )
+    { echo "$as_me:$LINENO: WARNING: $ac_header: present but cannot be compiled" >&5
+echo "$as_me: WARNING: $ac_header: present but cannot be compiled" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     check for missing prerequisite headers?" >&5
+echo "$as_me: WARNING: $ac_header:     check for missing prerequisite headers?" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: see the Autoconf documentation" >&5
+echo "$as_me: WARNING: $ac_header: see the Autoconf documentation" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&5
+echo "$as_me: WARNING: $ac_header:     section \"Present But Cannot Be Compiled\"" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: proceeding with the preprocessor's result" >&5
+echo "$as_me: WARNING: $ac_header: proceeding with the preprocessor's result" >&2;}
+    { echo "$as_me:$LINENO: WARNING: $ac_header: in the future, the compiler will take precedence" >&5
+echo "$as_me: WARNING: $ac_header: in the future, the compiler will take precedence" >&2;}
+    ( cat <<\_ASBOX
+## ------------------------------------------- ##
+## Report this to systemtap@sources.redhat.com ##
+## ------------------------------------------- ##
+_ASBOX
+     ) | sed "s/^/$as_me: WARNING:     /" >&2
+    ;;
+esac
+{ echo "$as_me:$LINENO: checking for $ac_header" >&5
+echo $ECHO_N "checking for $ac_header... $ECHO_C" >&6; }
+if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
+  echo $ECHO_N "(cached) $ECHO_C" >&6
+else
+  eval "$as_ac_Header=\$ac_header_preproc"
+fi
+ac_res=`eval echo '${'$as_ac_Header'}'`
+              { echo "$as_me:$LINENO: result: $ac_res" >&5
+echo "${ECHO_T}$ac_res" >&6; }
+
+fi
+if test `eval echo '${'$as_ac_Header'}'` = yes; then
+  cat >>confdefs.h <<_ACEOF
+#define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
+_ACEOF
+
+else
+  { { echo "$as_me:$LINENO: error: cannot find required libcap header (libcap-devel may need to be installed)" >&5
+echo "$as_me: error: cannot find required libcap header (libcap-devel may need to be installed)" >&2;}
+   { (exit 1); exit 1; }; }
+fi
+
+done
+
+
 mysql=false
 
 SAVE_LDFLAGS=$LDFLAGS
@@ -6378,7 +6562,9 @@ fi
 done
 
 
- if test "$mysql" = "true"; then
+
+
+if test "$mysql" = "true"; then
   HAS_MYSQL_TRUE=
   HAS_MYSQL_FALSE='#'
 else
@@ -6386,7 +6572,9 @@ else
   HAS_MYSQL_FALSE=
 fi
 
- if test "$MYSQL_CONFIG" != "no"; then
+
+
+if test "$MYSQL_CONFIG" != "no"; then
   HAS_MYSQL_CONFIG_TRUE=
   HAS_MYSQL_CONFIG_FALSE='#'
 else
@@ -6590,7 +6778,7 @@ esac
 
 ac_config_headers="$ac_config_headers config.h:config.in"
 
-ac_config_files="$ac_config_files Makefile systemtap.spec stp_check stap.1 stapprobes.5 stapfuncs.5 stapex.5 staprun.8 lket.5 lket-b2a.1 runtime/lket/b2a/Makefile man/stapprobes.iosched.5 man/stapprobes.netdev.5 man/stapprobes.nfs.5 man/stapprobes.nfsd.5 man/stapprobes.pagefault.5 man/stapprobes.process.5 man/stapprobes.rpc.5 man/stapprobes.scsi.5 man/stapprobes.signal.5 man/stapprobes.socket.5 man/stapprobes.tcp.5 man/stapprobes.udp.5"
+ac_config_files="$ac_config_files Makefile systemtap.spec stap.1 stapprobes.5 stapfuncs.5 stapex.5 staprun.8 lket.5 lket-b2a.1 runtime/lket/b2a/Makefile man/stapprobes.iosched.5 man/stapprobes.netdev.5 man/stapprobes.nfs.5 man/stapprobes.nfsd.5 man/stapprobes.pagefault.5 man/stapprobes.process.5 man/stapprobes.rpc.5 man/stapprobes.scsi.5 man/stapprobes.signal.5 man/stapprobes.socket.5 man/stapprobes.tcp.5 man/stapprobes.udp.5"
 
 subdirs="$subdirs testsuite"
 
@@ -7061,7 +7249,7 @@ exec 6>&1
 # report actual input values of CONFIG_FILES etc. instead of their
 # values after options handling.
 ac_log="
-This file was extended by systemtap $as_me 0.5.15, which was
+This file was extended by systemtap $as_me 0.6, which was
 generated by GNU Autoconf 2.61.  Invocation command line was
 
   CONFIG_FILES    = $CONFIG_FILES
@@ -7114,7 +7302,7 @@ Report bugs to <bug-autoconf@gnu.org>."
 _ACEOF
 cat >>$CONFIG_STATUS <<_ACEOF
 ac_cs_version="\\
-systemtap config.status 0.5.15
+systemtap config.status 0.6
 configured by $0, generated by GNU Autoconf 2.61,
   with options \\"`echo "$ac_configure_args" | sed 's/^ //; s/[\\""\`\$]/\\\\&/g'`\\"
 
@@ -7232,7 +7420,6 @@ do
     "config.h") CONFIG_HEADERS="$CONFIG_HEADERS config.h:config.in" ;;
     "Makefile") CONFIG_FILES="$CONFIG_FILES Makefile" ;;
     "systemtap.spec") CONFIG_FILES="$CONFIG_FILES systemtap.spec" ;;
-    "stp_check") CONFIG_FILES="$CONFIG_FILES stp_check" ;;
     "stap.1") CONFIG_FILES="$CONFIG_FILES stap.1" ;;
     "stapprobes.5") CONFIG_FILES="$CONFIG_FILES stapprobes.5" ;;
     "stapfuncs.5") CONFIG_FILES="$CONFIG_FILES stapfuncs.5" ;;
@@ -7355,7 +7542,6 @@ target_alias!$target_alias$ac_delim
 INSTALL_PROGRAM!$INSTALL_PROGRAM$ac_delim
 INSTALL_SCRIPT!$INSTALL_SCRIPT$ac_delim
 INSTALL_DATA!$INSTALL_DATA$ac_delim
-am__isrc!$am__isrc$ac_delim
 CYGPATH_W!$CYGPATH_W$ac_delim
 PACKAGE!$PACKAGE$ac_delim
 VERSION!$VERSION$ac_delim
@@ -7412,6 +7598,7 @@ BUILD_ELFUTILS_FALSE!$BUILD_ELFUTILS_FALSE$ac_delim
 elfutils_abs_srcdir!$elfutils_abs_srcdir$ac_delim
 BUILD_LKET_B2A_TRUE!$BUILD_LKET_B2A_TRUE$ac_delim
 BUILD_LKET_B2A_FALSE!$BUILD_LKET_B2A_FALSE$ac_delim
+BUILD_CRASHMOD_TRUE!$BUILD_CRASHMOD_TRUE$ac_delim
 _ACEOF
 
   if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 97; then
@@ -7453,7 +7640,6 @@ _ACEOF
 ac_delim='%!_!# '
 for ac_last_try in false false false false false :; do
   cat >conf$$subs.sed <<_ACEOF
-BUILD_CRASHMOD_TRUE!$BUILD_CRASHMOD_TRUE$ac_delim
 BUILD_CRASHMOD_FALSE!$BUILD_CRASHMOD_FALSE$ac_delim
 MYSQL_CONFIG!$MYSQL_CONFIG$ac_delim
 HAS_MYSQL_TRUE!$HAS_MYSQL_TRUE$ac_delim
@@ -7468,7 +7654,7 @@ LIBOBJS!$LIBOBJS$ac_delim
 LTLIBOBJS!$LTLIBOBJS$ac_delim
 _ACEOF
 
-  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 13; then
+  if test `sed -n "s/.*$ac_delim\$/X/p" conf$$subs.sed | grep -c X` = 12; then
     break
   elif $ac_last_try; then
     { { echo "$as_me:$LINENO: error: could not make $CONFIG_STATUS" >&5
@@ -7918,9 +8104,8 @@ echo "$as_me: executing $ac_file commands" >&6;}
   # some people rename them; so instead we look at the file content.
   # Grep'ing the first line is not enough: some people post-process
   # each Makefile.in and add a new line on top of each file to say so.
-  # Grep'ing the whole file is not good either: AIX grep has a line
-  # limit of 2048, but all sed's we know have understand at least 4000.
-  if sed 10q "$mf" | grep '^#.*generated by automake' > /dev/null 2>&1; then
+  # So let's grep whole file.
+  if grep '^#.*generated by automake' $mf > /dev/null 2>&1; then
     dirpart=`$as_dirname -- "$mf" ||
 $as_expr X"$mf" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
         X"$mf" : 'X\(//\)[^/]' \| \

diff --git a/configure.ac b/configure.ac
index 90d93e017844f1889eaf0993dc8ed30e4b300914..7e8526ecb7ec168b86fc0d9c6f12f8dbb6d6d61a 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,14 +1,15 @@
 dnl configure.ac --- autoconf input file for systemtap
 dnl Process this file with autoconf to produce a configure script.
 
-AC_INIT([systemtap], 0.5.15, systemtap@sources.redhat.com, systemtap)
-dnl                  ^^^^^^ see also NEWS, testsuite/configure.ac
+AC_INIT([systemtap], 0.6, systemtap@sources.redhat.com, systemtap)
+dnl                  ^^^ see also NEWS, testsuite/configure.ac
 
 
 AC_PREREQ(2.59)
 AM_INIT_AUTOMAKE
 AM_MAINTAINER_MODE
 
+AC_PROG_MKDIR_P
 AC_PROG_LN_S
 AC_PROG_CC
 AC_PROG_CXX
@@ -104,6 +105,9 @@ AC_CHECK_HEADERS(crash/defs.h,
 ])
 AM_CONDITIONAL(BUILD_CRASHMOD, test $build_crashmod = yes)
 
+AC_CHECK_HEADERS([sys/capability.h], , 
+       [AC_MSG_ERROR([cannot find required libcap header (libcap-devel may need to be installed)])])
+
 mysql=false
 
 SAVE_LDFLAGS=$LDFLAGS
@@ -167,7 +171,7 @@ esac
 AC_SUBST([PROCFLAGS])
 
 AC_CONFIG_HEADERS([config.h:config.in])
-AC_CONFIG_FILES(Makefile systemtap.spec stp_check stap.1 stapprobes.5 stapfuncs.5 stapex.5 staprun.8 lket.5 lket-b2a.1 runtime/lket/b2a/Makefile man/stapprobes.iosched.5 man/stapprobes.netdev.5 man/stapprobes.nfs.5 man/stapprobes.nfsd.5 man/stapprobes.pagefault.5 man/stapprobes.process.5 man/stapprobes.rpc.5 man/stapprobes.scsi.5 man/stapprobes.signal.5 man/stapprobes.socket.5 man/stapprobes.tcp.5 man/stapprobes.udp.5)
+AC_CONFIG_FILES(Makefile systemtap.spec stap.1 stapprobes.5 stapfuncs.5 stapex.5 staprun.8 lket.5 lket-b2a.1 runtime/lket/b2a/Makefile man/stapprobes.iosched.5 man/stapprobes.netdev.5 man/stapprobes.nfs.5 man/stapprobes.nfsd.5 man/stapprobes.pagefault.5 man/stapprobes.process.5 man/stapprobes.rpc.5 man/stapprobes.scsi.5 man/stapprobes.signal.5 man/stapprobes.socket.5 man/stapprobes.tcp.5 man/stapprobes.udp.5)
 AC_CONFIG_SUBDIRS(testsuite)
 
 AC_OUTPUT

diff --git a/hash.cxx b/hash.cxx
index 24ce92d55e7859718cabc183eba53c4b15fe37cd..d05be2681e89811e995d42ee0c43d7254d242a76 100644 (file)
--- a/hash.cxx
+++ b/hash.cxx
@@ -65,9 +65,6 @@ hash::result(string& r)
 }
 
 
-// Grabbed from linux/module.h kernel include.
-#define MODULE_NAME_LEN (64 - sizeof(unsigned long))
-
 void
 find_hash (systemtap_session& s, const string& script)
 {

diff --git a/hash.h b/hash.h
index e923fee48f6e03e25930872fa3eadfa04eba731f..246be9b8f2b47d6042e5cc085c41a440a99acf22 100644 (file)
--- a/hash.h
+++ b/hash.h
@@ -5,6 +5,9 @@ extern "C" {
 #include <mdfour.h>
 }
 
+// Grabbed from linux/module.h kernel include.
+#define MODULE_NAME_LEN (64 - sizeof(unsigned long))
+
 class hash
 {
 private:

diff --git a/main.cxx b/main.cxx
index 0639f689d952564487beb9d66f7507ed57261d9c..e18a1331d0b9430ac21ddf033248058972a61de1 100644 (file)
--- a/main.cxx
+++ b/main.cxx
@@ -362,6 +362,14 @@ main (int argc, char * const argv [])
                    " characters [_a-zA-Z0-9])." << endl;
                usage (s, 1);
              }
+
+           // Make sure module name isn't too long.
+           if (s.module_name.size() >= (MODULE_NAME_LEN - 1))
+             {
+               s.module_name.resize(MODULE_NAME_LEN - 1);
+               cerr << "Truncating module name to '" << s.module_name
+                    << "'" << endl;
+             }
          }
 
          cerr << "Warning: using '-m' disables cache support." << endl;

diff --git a/stap.1.in b/stap.1.in
index a68a030b70313350840156167243ad58bae0b1d1..85ff826639708317fb83202a672704468c0ff7e3 100644 (file)
--- a/stap.1.in
+++ b/stap.1.in
@@ -754,7 +754,9 @@ Any run-time error encountered by the probe handlers, such as running
 out of memory, division by zero, exceeding nesting or runtime limits,
 results in a soft error indication.  Soft errors in excess of
 MAXERRORS block of all subsequent probes, and terminate the session.
-Finally, staprun unloads the module, and cleans up.
+Finally,
+.I staprun
+unloads the module, and cleans up.
 
 .SH EXAMPLES
 See the 
@@ -773,20 +775,42 @@ directory, which may be periodically cleaned/erased by the user.
 
 .SH SAFETY AND SECURITY
 Systemtap is an administrative tool.  It exposes kernel internal data
-structures and potentially private user information.  It acquires root
-privileges to actually run the kernel objects it builds using the
-.IR sudo
-command applied to the
+structures and potentially private user information.
+It acquires
+either root privileges
+
+To actually run the kernel objects it builds, a user must be one of
+the following:
+.IP \(bu 4
+the root user;
+.IP \(bu 4
+a member of the
+.I stapdev
+group; or
+.IP \(bu 4
+a member of the
+.I stapusr
+group.  Members of the
+.I stapusr
+group can only use modules located in
+the /lib/modules/VERSION/systemtap directory.  This directory
+must be owned by root and not be world writable.
+.PP
+The kernel modules generated by
+.I stap
+program are run by the
 .IR staprun
 program.  The latter is a part of the Systemtap package, dedicated to
 module loading and unloading (but only in the white zone), and
 kernel-to-user data transfer.  Since 
 .IR staprun
 does not perform any additional security checks on the kernel objects
-it is given, it would be unwise for a system administrator to give
-even targeted
-.IR sudo
-privileges to untrusted users.
+it is given, it would be unwise for a system administrator to add
+untrusted users to the 
+.I stapdev
+or
+.I stapusr
+groups.
 .PP
 The translator asserts certain safety constraints.  It aims to ensure
 that no handler routine can run for very long, allocate memory,
@@ -897,7 +921,6 @@ unloading.
 .IR stapex (5),
 .IR lket (5),
 .IR awk (1),
-.IR sudo (8),
 .IR gdb (1)
 
 .SH BUGS

diff --git a/staprun.8.in b/staprun.8.in
index 917d45982a575c2413ab93bebe27d29830557797..72626533e9af28029bb9cac3c325c7754f8ff01c 100644 (file)
--- a/staprun.8.in
+++ b/staprun.8.in
@@ -18,14 +18,11 @@ staprun \- systemtap runtime
 .SH DESCRIPTION
 
 The
-.IR staprun
-program is the back-end to the Systemtap tool.  It expects a kernel
+.I staprun
+program is the back-end of the Systemtap tool.  It expects a kernel
 module produced by the front-end
 .I stap
 tool.
-The
-.I staprun
-program must be run as root.
 .PP
 Splitting the systemtap tool into a front-end and a back-end allows a
 user to compile a systemtap script on a development machine that has
@@ -36,14 +33,18 @@ doesn't have any development tools or kernel debugging information installed.
 This manual corresponds to version @VERSION@.
 
 .SH OPTIONS
-The systemtap translator supports the following options.  Any other option
+The
+.I staprun
+program supports the following options.  Any other option
 prints a list of supported options.
 .TP
 .B \-v
 Verbose mode.
 .TP
 .B \-c CMD
-Command CMD will be run and the staprun program will exit when CMD
+Command CMD will be run and the
+.I staprun
+program will exit when CMD
 does.  The '_stp_target' variable will contain the pid for CMD.
 .TP
 .B \-x PID
@@ -53,17 +54,29 @@ The '_stp_target' variable will be set to PID.
 Send output to FILE. If the module uses bulk mode, the output will
 be in percpu files FILE_x where 'x' is the cpu number.
 .TP
-.B \-u USERNAME
-Run commands as USERNAME. Used with the \-c option.
-.TP
 .B \-b BUFFER_SIZE
 The systemtap module will specify a buffer size.
 Setting one here will override that value. The value should be
 an integer between 1 and 64 which be assumed to be the
 buffer size in MB. That value will be per-cpu if bulk mode is used.
+.TP
+.B \-L
+Load module and start probes, then detach from the module leaving the
+probes running.  The module can be attached to later by using the
+.B \-A
+option.
+.TP
+.B \-A
+Attach to loaded systemtap module.
 
 .SH ARGUMENTS
-
+.B MODULE
+is either a module path or a module name.  If it is a module name,
+the module will be looked for in the following directory
+(where 'VERSION' is the output of "uname -r"):
+.IP
+/lib/modules/VERSION/systemtap
+.PP
 .\" TODO - we probably need a better description here.
 Any additional arguments on the command line are passed to the
 module.
@@ -73,7 +86,9 @@ See the
 .IR stapex (5)
 manual page for a collection of sample scripts.
 .PP
-Here is a very basic example of how to use staprun.  First, use
+Here is a very basic example of how to use
+.I staprun.
+First, use
 .I stap
 to compile a script.  The
 .I stap
@@ -86,28 +101,58 @@ program will report the pathname to the resulting module.
 .PP
 Run
 .I staprun
-with the pathname to the module as an argument.  The
-.IR sudo (8)
-command is used to grant root privileges.
+with the pathname to the module as an argument.
 .PP
 .Vb 1
-\& $ sudo staprun /home/user/.systemtap/cache/85/stap_8553d83f78c_265.ko
+\& $ staprun /home/user/.systemtap/cache/85/stap_8553d83f78c_265.ko
 .br
 \& Hello World!
-
+.SH MODULE DETACHING AND ATTACHING
+After the
+.I staprun
+program installs a Systemtap kernel module, users can detach from the
+kernel module and reattach to it later.  The
+.B \-L
+option loads the module and automatically detaches.  Users can also
+detach from the kernel module interactively by sending the SIGQUIT
+signal from the keyboard (typically by typing Ctrl\-\\).
+.PP
+To reattach to a kernel module, the
+.I staprun
+.B \-A
+option would be used.
 .SH SAFETY AND SECURITY
 Systemtap is an administrative tool.  It exposes kernel internal data
 structures and potentially private user information.  See the 
 .IR stap (1)
-manual page for more information on safety and security.
-
+manual page for additional information on safety and security.
+.PP
+To increase system security, only the root user and members of the
+.I stapdev
+group can use
+.I staprun
+to insert systemtap modules (or attach to existing ones).
+Members of the
+.I stapusr
+group can use
+.I staprun
+to insert systemtap modules (or attach to existing systemtap modules) that
+are located in the /lib/modules/VERSION/systemtap directory.
+.SH FILES
+.TP
+/lib/modules/VERSION/systemtap
+If MODULE is a module name, the module will be looked for in this directory.
+Users who are only in the
+.I 'stapusr'
+group can only install modules
+located in this directory.  This directory should be owned by the root
+user and not be world writable.
 .SH SEE ALSO
 .IR stap (1),
 .IR stapprobes (5),
 .IR stapfuncs (5),
 .IR stapex (5),
 .IR lket (5),
-.IR sudo (8)
 
 .SH BUGS
 Use the Bugzilla link off of the project web page or our mailing list.

diff --git a/systemtap.spec.in b/systemtap.spec.in
index 72961f14ec058162f9f540777a887f5dd6b2dda1..ead918ec570b14d59e1bd54b79654448f4a223ad 100644 (file)
--- a/systemtap.spec.in
+++ b/systemtap.spec.in
@@ -1,5 +1,5 @@
 # Release number for rpm build.  Stays at 1 for new PACKAGE_VERSION increases.
-%define release 2
+%define release 1
 # Version number of oldest elfutils release that works with systemtap.
 %define elfutils_version 0.127
 
@@ -47,6 +47,7 @@ BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 Requires: kernel >= 2.6.9-11
 BuildRequires: glib2-devel >= 2.0.0
+BuildRequires: libcap-devel
 # make check
 BuildRequires: dejagnu
 %if %{sqlite}
@@ -59,7 +60,6 @@ Requires: glib2 >= 2.0.0
 Requires: gcc make
 # Suggest: kernel-debuginfo
 Requires: systemtap-runtime = %{version}-%{release}
-Requires: sudo
 
 %if %{bundled_elfutils}
 Source1: elfutils-%{elfutils_version}.tar.gz
@@ -134,12 +134,24 @@ chmod -x examples/samples/kmalloc-top
 rm -rf ${RPM_BUILD_ROOT}
 make DESTDIR=$RPM_BUILD_ROOT install
 
+# Because "make install" installs staprun with mode 04111, the
+# post-processing programs rpmbuild runs won't be able to read it.
+# So, we change permissions so that they can read it.  We'll set the
+# permissions back to 04111 in the %files section below.
+chmod 755 $RPM_BUILD_ROOT%{_bindir}/staprun
+
 %check
 make check %{?elfutils_mflags} || :
 
 %clean
 rm -rf ${RPM_BUILD_ROOT}
 
+%pre
+if [ $1 -eq 1 ]; then
+    groupadd -r stapdev >/dev/null 2>&1 || :
+    groupadd -r stapusr >/dev/null 2>&1 || :
+fi
+
 %files
 %defattr(-,root,root)
 
@@ -161,13 +173,16 @@ rm -rf ${RPM_BUILD_ROOT}
 
 %files runtime
 %defattr(-,root,root)
-%{_bindir}/staprun
+%attr(4111,root,root) %{_bindir}/staprun
 %{_libexecdir}/systemtap
 %{_mandir}/man8/*
 
 %doc README AUTHORS NEWS COPYING
 
 %changelog
+* Thu Aug  9 2007 David Smith <dsmith@redhat.com> - 0.6-1
+- Bumped version, added libcap-devel BuildRequires.
+
 * Wed Jul 11 2007 Will Cohen <wcohen@redhat.com> - 0.5.14-2
 - Fix Requires and BuildRequires for sqlite.