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# Copyright 2015-2018, 2021 Luke Shumaker <lukeshu@parabola.nu>.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
include config.mk
include $(topsrcdir)/build-aux/Makefile.head.mk
bins_c = nshd-setuid nshd-tester
bins_go = nshd
bins_lib = common.rb
bins_script = $(filter-out %.c %.o %.in $(bins_c) $(bins_go) $(bins_lib),$(notdir $(wildcard $(srcdir)/bin/*)))
bins = $(bins_c) $(bins_go) $(bins_lib) $(bins_script)
.PHONY: FORCE
.SECONDARY:
.DELETE_ON_ERROR:
#
# Generate (pre-tarball)
files.src.gen += LICENSE.lgpl-2.1.txt LICENSE.gpl-2.txt LICENSE.apache-2.0.txt gofiles.mk
$(srcdir)/LICENSE.lgpl-2.1.txt: $(NET)
curl https://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt > $@
$(srcdir)/LICENSE.gpl-2.txt: $(NET)
curl https://www.gnu.org/licenses/old-licenses/gpl-2.0.txt > $@
$(srcdir)/LICENSE.apache-2.0.txt: $(NET)
curl https://www.apache.org/licenses/LICENSE-2.0 > $@
$(srcdir)/LICENSE.wtfpl-2.txt: $(NET)
curl http://www.wtfpl.net/txt/copying/ > $@
$(srcdir)/vendor: $(srcdir)/go.mod $(srcdir)/go.sum
cd $(@D) && go mod vendor
touch --no-create $@
$(srcdir)/gofiles.mk: $(srcdir)/vendor $(WRITE_IFCHANGED)
find $< -type f | LC_COLLATE=C sort | sed 's,^,_gofiles.all+=,' | $(WRITE_IFCHANGED) $@
_gofiles.all =
-include $(srcdir)/gofiles.mk
files.src.gen += $(_gofiles.all)
#
# Build (post-tarball)
files.out.all += $(addprefix bin/,$(filter-out $(bins_script),$(bins))) nshd.service nshd.sysusers
# Go
$(outdir)/bin/%: $(srcdir)/go/src/% $(srcdir)/vendor FORCE
cd $(srcdir) && go build -o $(abspath $@) ./go/src/$*
# C
$(outdir)/bin/%: $(srcdir)/bin/%.c $(var.)CC $(var.)CPPFLAGS $(var.)CFLAGS
$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) -o $@ $(filter-out $(var.)%,$^)
# Basic variable substitution
$(outdir)/%: $(srcdir)/%.in
< $< sed $(foreach v,$(patsubst $(var.)%,%,$(filter $(var.)%,$^)), -e 's|@$v@|$($v)|g' ) > $@
$(outdir)/bin/%: $(srcdir)/bin/%.in
< $< sed $(foreach v,$(patsubst $(var.)%,%,$(filter $(var.)%,$^)), -e 's|@$v@|$($v)|g' ) > $@
# Dependencies
$(outdir)/bin/nshd-setuid: -ldl
$(outdir)/nshd.service: $(var.)user $(var.)bindir
$(outdir)/nshd.sysusers: $(var.)user
$(outdir)/bin/common.rb: $(var.)conf_file
$(outdir)/go/src/nshd/nshd_files/paths.go: $(var.)bindir $(var.)conf_file $(var.)shadow_file
$(outdir)/bin/nshd: $(srcdir)/go/src/nshd/nshd_files/paths.go
files.out.all += $(outdir)/go/src/nshd/nshd_files/paths.go
# We want to use the `-race` flag, but it isn't supported on all CPUs
# (notably: at the time of this writing we can't use it on x86-32bit
# or arm-32bit), so do some dumb sniffing of `go` command output to
# tell if it is supported on this platform.
_go_race_supported = $(filter $(word 4,$(shell go version)),$(shell go help build | sed -n '/^\s*-race/,/^\s*-/p'| grep -oE '[a-z0-9]+/[a-z0-9]+'))
$(outdir)/check: $(srcdir)/vendor
cd $(srcdir) && go test $(if $(_go_race_supported),-race) ./...
.PHONY: $(outdir)/check
at.targets += $(outdir)/check
# Install
files.sys.all += $(addprefix $(bindir)/,$(bins)) $(systemunitdir)/nshd.socket $(systemunitdir)/nshd.service $(sysusersdir)/nshd.conf $(conf_file) $(shadow_file)
$(DESTDIR)$(bindir)/%: $(outdir)/bin/%
$(NORMAL_INSTALL)
install -TDm755 $< $@
$(DESTDIR)$(systemunitdir)/%.socket: $(outdir)/%.socket
$(NORMAL_INSTALL)
install -TDm644 $< $@
$(DESTDIR)$(systemunitdir)/%.service: $(outdir)/%.service
$(NORMAL_INSTALL)
install -TDm644 $< $@
$(DESTDIR)$(sysusersdir)/%.conf: $(outdir)/%.sysusers
$(NORMAL_INSTALL)
install -TDm644 $< $@
# Specific files
$(DESTDIR)$(bindir)/common.rb: $(srcdir)/bin/common.rb
$(NORMAL_INSTALL)
install -TDm644 $< $@
$(DESTDIR)$(conf_file): $(srcdir)/parabola-hackers.yml
$(NORMAL_INSTALL)
install -TDm644 $< $@
$(DESTDIR)$(shadow_file): $(var.)user $(DESTDIR)$(sysusersdir)/nshd.conf
$(NORMAL_INSTALL)
install -d $(@D)
touch $@
$(POST_INSTALL)
-systemd-sysusers
-chown $(user):$(user) $(@D) $@
include $(topsrcdir)/build-aux/Makefile.tail.mk
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