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mcron/Makefile.am
ulfvonbelow 4727c770c2
 crontab-access: replace with wrapper, rename to crontab-access-real. 
The wrapper has two purposes:
1. Not being a script, thereby eliminating the issues with setuid scripts.
2. Purging the environment. crontab-access-real has no need for any
   environment variables to do its work, so to prevent tampering with dynamic
   linker, libc, or guile, we may as well just unset them all.

This wrapper does introduce a requirement for a C compiler. Ideally it would
be conditional based on whether the wrapper is even going to be built, but
autoconf doesn't like that one bit. Someone with more experience with
autotools should sort that out. In the meantime I guess anyone wanting to
build without a C compiler being present is going to have to edit configure.ac
and re-run bootstrap.

* src/crontab-access.in: renamed to src/crontab-access-real.in
* src/crontab-access.c.in: new file, wrapper for crontab-access-real.
* Makefile.am: inform about crontab-access.c.in and name change to
  crontab-access-real. Put crontab-access-real in libexecdir.
2023-03-18 14:00:26 +00:00

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## Process this file with automake to produce Makefile.in.
# Copyright © 2003 Dale Mellor <dale_mellor@users.sourceforge.net>
# Copyright © 2015, 2016, 2017, 2018, 2020 Mathieu Lirzin <mthl@gnu.org>
#
# This file is part of GNU Mcron.
#
# GNU Mcron is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GNU Mcron is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Mcron. If not, see <http://www.gnu.org/licenses/>.
## ---------- ##
## Programs. ##
## ---------- ##
bin_SCRIPTS = bin/mcron
noinst_SCRIPTS =
if MULTI_USER
bin_SCRIPTS += bin/crontab
sbin_SCRIPTS = bin/cron
libexec_SCRIPTS = bin/crontab-access-real
sbin_PROGRAMS = bin/crontab-access
else
noinst_SCRIPTS += bin/cron bin/crontab bin/crontab-access-real
noinst_PROGRAMS = bin/crontab-access
endif
# The dynamic linker should detect that it's being run for a setuid program,
# but we take no chances.
bin_crontab_access_LDFLAGS = -static
# wrapper to be used in the build environment and for running tests.
noinst_SCRIPTS += pre-inst-env
## --------------- ##
## Guile modules. ##
## --------------- ##
# Root directory used for installing Guile modules.
guilesitedir = $(datarootdir)/guile/site/$(GUILE_EFFECTIVE_VERSION)
# Root directory used for installing Guile compiled modules.
guilesitegodir = $(libdir)/guile/$(GUILE_EFFECTIVE_VERSION)/site-ccache
pkgmoduledir = $(guilesitedir)/$(PACKAGE)
pkgmodule_DATA = src/mcron/config.scm
dist_pkgmodule_DATA = \
src/mcron/base.scm \
src/mcron/command-line-processor.scm \
src/mcron/environment.scm \
src/mcron/getopt-long.scm \
src/mcron/job-specifier.scm \
src/mcron/redirect.scm \
src/mcron/utils.scm \
src/mcron/vixie-specification.scm \
src/mcron/vixie-time.scm
# Alias for 'src/mcron/base.scm' kept for backward compatibility.
dist_pkgmodule_DATA += src/mcron/core.scm
pkgmodulegodir = $(guilesitegodir)/$(PACKAGE)
pkgmodulego_DATA = \
$(dist_pkgmodule_DATA:.scm=.go) \
src/mcron/config.go
pkgscriptdir = $(pkgmoduledir)/scripts
dist_pkgscript_DATA = \
src/mcron/scripts/cron.scm \
src/mcron/scripts/crontab.scm \
src/mcron/scripts/crontab-access.scm \
src/mcron/scripts/mcron.scm
pkgscriptgodir = $(pkgmodulegodir)/scripts
pkgscriptgo_DATA = $(dist_pkgscript_DATA:.scm=.go)
compiled_modules = \
$(pkgmodulego_DATA) \
$(pkgscriptgo_DATA)
CLEANFILES = $(compiled_modules) \
bin/crontab \
bin/crontab-access \
src/crontab-access.c \
bin/crontab-access-real \
bin/cron \
bin/mcron
DISTCLEANFILES = src/mcron/config.scm
# Unset 'GUILE_LOAD_COMPILED_PATH' altogether while compiling. Otherwise, if
# $GUILE_LOAD_COMPILED_PATH contains $(pkgmoduledir), we may find .go files
# in there that are newer than the local .scm files (for instance because the
# user ran 'make install' recently). When that happens, we end up loading
# those previously-installed .go files, which may be stale, thereby breaking
# the whole thing. Set GUILE_AUTO_COMPILE to 0 to avoid auto-compiling guild
# as a consequence of the previous hack.
#
# XXX: Use the C locale for when Guile lacks
# <http://git.sv.gnu.org/cgit/guile.git/commit/?h=stable-2.0&id=e2c6bf3866d1186c60bacfbd4fe5037087ee5e3f>.
.scm.go:
$(guilec_verbose)$(MKDIR_P) `dirname "$@"`; \
export GUILE_AUTO_COMPILE=0; unset GUILE_LOAD_COMPILED_PATH; \
LC_ALL=C \
$(top_builddir)/pre-inst-env $(GUILD) compile \
--load-path="$(builddir)/src" \
--load-path="$(srcdir)/src" \
--warn=format --warn=unbound-variable --warn=arity-mismatch \
--target="$(host)" --output="$@" "$<" $(devnull_verbose)
do_subst = sed -e 's,%PREFIX%,${prefix},g' \
-e 's,%sbindir%,${sbindir},g' \
-e 's,%libexecdir%,${libexecdir},g' \
-e 's,%modsrcdir%,${guilesitedir},g' \
-e 's,%modbuilddir%,${guilesitegodir},g' \
-e 's,%localstatedir%,${localstatedir},g' \
-e 's,%pkglibdir%,${pkglibdir},g' \
-e 's,%sysconfdir%,${sysconfdir},g' \
-e 's,%localedir%,${localedir},g' \
-e 's,%VERSION%,@VERSION@,g' \
-e 's,%PACKAGE_BUGREPORT%,@PACKAGE_BUGREPORT@,g' \
-e 's,%PACKAGE_NAME%,@PACKAGE_NAME@,g' \
-e 's,%PACKAGE_URL%,@PACKAGE_URL@,g' \
-e 's,%GUILE%,$(GUILE),g'
src/mcron/config.scm: src/mcron/config.scm.in Makefile
$(AM_V_GEN)$(do_subst) $< > $@
src/crontab-access.c: src/crontab-access.c.in Makefile
$(AM_V_GEN)$(do_subst) $< > $@
bin/% : src/%.in Makefile
$(AM_V_GEN)$(MKDIR_P) bin ; \
$(do_subst) $< > $@ ; \
chmod a+x $@
## ------------ ##
## Test suite. ##
## ------------ ##
TEST_EXTENSIONS = .scm .sh
AM_TESTS_ENVIRONMENT = env GUILE_AUTO_COMPILE='0'
SH_LOG_COMPILER = ./pre-inst-env $(SHELL)
SCM_LOG_DRIVER = \
$(builddir)/pre-inst-env $(GUILE) \
$(srcdir)/build-aux/test-driver.scm
TESTS = \
tests/basic.sh \
tests/schedule.sh \
tests/schedule-2.sh \
tests/base.scm \
tests/environment.scm \
tests/job-specifier.scm \
tests/utils.scm \
tests/vixie-specification.scm \
tests/vixie-time.scm
## -------------- ##
## Distribution. ##
## -------------- ##
EXTRA_DIST = \
bootstrap \
build-aux/guix.scm \
HACKING \
src/cron.in \
src/crontab.in \
src/crontab-access-real.in \
src/crontab-access.c.in \
src/mcron.in \
tests/init.sh \
$(TESTS)
## -------------- ##
## Installation. ##
## -------------- ##
# Sed command for Transforming program names.
transform_exe = s/$(EXEEXT)$$//;$(transform);s/$$/$(EXEEXT)/
install-exec-hook:
if MULTI_USER
tcrontab=`echo crontab | sed '$(transform_exe)'`;
tcrontab_access=`echo crontab-access | sed '$(transform_exe)'`; \
chmod u+s $(DESTDIR)$(sbindir)/$${tcrontab_access}
tcron=`echo cron | sed '$(transform_exe)'`;
endif
tmcron=`echo mcron | sed '$(transform_exe)'`;
installcheck-local:
## Check that only expected programs are installed and configured
tmcron=`echo mcron | sed '$(transform_exe)'`; \
test -e $(DESTDIR)$(bindir)/$${tmcron}
if MULTI_USER
tcrontab=`echo crontab | sed '$(transform_exe)'`;
tcrontab_access=`echo crontab | sed '$(transform_exe)'`; \
test -u $(DESTDIR)$(bindir)/$${tcrontab_access}
tcron=`echo cron | sed '$(transform_exe)'`; \
test -e $(DESTDIR)$(sbindir)/$${tcron}
else !MULTI_USER
tcrontab=`echo crontab | sed '$(transform_exe)'`; \
test ! -u $(DESTDIR)$(bindir)/$${tcrontab}
tcron=`echo cron | sed '$(transform_exe)'`; \
test ! -f $(DESTDIR)$(sbindir)/$${tcron}
endif !MULTI_USER
## --------------- ##
## Documentation. ##
## --------------- ##
info_TEXINFOS = doc/mcron.texi
doc_mcron_TEXINFOS = doc/fdl.texi
nodist_doc_mcron_TEXINFOS = doc/config.texi
dist_man_MANS = $(srcdir)/doc/mcron.1
extra_mans = \
$(srcdir)/doc/crontab.1 \
$(srcdir)/doc/cron.8
if MULTI_USER
dist_man_MANS += $(extra_mans)
else
# Build, distribute, but do not install the extra man pages.
all-local: $(extra_mans)
EXTRA_DIST += $(extra_mans)
endif
# XXX: Allow the inclusion of 'doc/fdl.texi' and 'doc/config.texi' inside
# 'doc/mcron.texi' for 'dvi' and 'pdf' targets.
TEXI2DVI = texi2dvi -I doc
# The 'case' ensures the man pages are only generated if the corresponding
# source script (the first prerequisite) has been changed. The second
# prerequisites is solely meant to force these docs to be made only after
# executables have been compiled.
gen_man = \
case '$?' in \
*$<*) $(AM_V_P) && set -x || echo " HELP2MAN $@"; \
LANGUAGE= $(top_builddir)/pre-inst-env $(HELP2MAN) \
-s $$man_section -S GNU -p $(PACKAGE_TARNAME) -o $@ $$prog;; \
*) : ;; \
esac
$(srcdir)/doc/mcron.1: src/mcron/scripts/mcron.scm bin/mcron
-@prog="bin/mcron"; man_section=1; $(gen_man)
$(srcdir)/doc/crontab.1: src/mcron/scripts/crontab.scm bin/crontab
-@prog="bin/crontab"; man_section=1; $(gen_man)
$(srcdir)/doc/cron.8: src/mcron/scripts/cron.scm bin/cron
-@prog="cron"; man_section=8; $(gen_man)
MAINTAINERCLEANFILES = $(dist_man_MANS) $(extra_mans)
## -------------- ##
## Silent rules. ##
## -------------- ##
guilec_verbose = $(guilec_verbose_@AM_V@)
guilec_verbose_ = $(guilec_verbose_@AM_DEFAULT_V@)
guilec_verbose_0 = @echo " GUILEC " $@;
devnull_verbose = $(devnull_verbose_@AM_V@)
devnull_verbose_ = $(devnull_verbose_@AM_DEFAULT_V@)
devnull_verbose_0 = >/dev/null
## ------------- ##
## Maintenance. ##
## ------------- ##
@MAINT_MAKEFILE@
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