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  • Committer: Teddy Hogeborn
  • Date: 2024-11-17 17:28:47 UTC
  • Revision ID: teddy@recompile.se-20241117172847-3bon1o16owybrmoo
mandos: Make configured network socket non-inheritable

If we are passed a pre-created created network socket as a file
descriptor, we should make it non-inheritable to checkers and other
subprocesses.

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added added

removed removed

Lines of Context:
Makefile
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# For info about _FORTIFY_SOURCE, see feature_test_macros(7)
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# and <https://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
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FORTIFY:=-D_FORTIFY_SOURCE=3 -fstack-protector-all -fPIC
 
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FORTIFY:=-fstack-protector-all -fPIC
 
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CPPFLAGS+=-D_FORTIFY_SOURCE=3
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LINK_FORTIFY_LD:=-z relro -z now
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LINK_FORTIFY:=
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#COVERAGE=--coverage
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OPTIMIZE:=-Os -fno-strict-aliasing
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LANGUAGE:=-std=gnu11
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FEATURES:=-D_FILE_OFFSET_BITS=64
 
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CPPFLAGS+=-D_FILE_OFFSET_BITS=64 -D_TIME_BITS=64
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htmldir:=man
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version:=1.8.15
 
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version:=1.8.17
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SED:=sed
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PKG_CONFIG?=pkg-config
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## Use these settings for a traditional /usr/local install
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# PREFIX:=$(DESTDIR)/usr/local
 
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# BINDIR:=$(PREFIX)/sbin
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# CONFDIR:=$(DESTDIR)/etc/mandos
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# KEYDIR:=$(DESTDIR)/etc/mandos/keys
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# MANDIR:=$(PREFIX)/man
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# DRACUTMODULE:=$(DESTDIR)/usr/lib/dracut/modules.d/90mandos
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# STATEDIR:=$(DESTDIR)/var/lib/mandos
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# LIBDIR:=$(PREFIX)/lib
 
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# DBUSPOLICYDIR:=$(DESTDIR)/etc/dbus-1/system.d
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##
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## These settings are for a package-type install
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PREFIX:=$(DESTDIR)/usr
 
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BINDIR:=$(PREFIX)/sbin
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CONFDIR:=$(DESTDIR)/etc/mandos
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KEYDIR:=$(DESTDIR)/etc/keys/mandos
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MANDIR:=$(PREFIX)/share/man
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                        break; \
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                fi; \
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        done)
 
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DBUSPOLICYDIR:=$(DESTDIR)/usr/share/dbus-1/system.d
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##
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SYSTEMD:=$(DESTDIR)$(shell $(PKG_CONFIG) systemd \
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# Do not change these two
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CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
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        $(LANGUAGE) $(FEATURES) -DVERSION='"$(version)"'
 
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        $(LANGUAGE) -DVERSION='"$(version)"'
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LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(strip \
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        ) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
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                --expression='s/\(mandos_\)[0-9.]\+\(\.orig\.tar\.gz\)/\1$(version)\2/' \
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                $@)
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# Does the linker support the --no-warn-execstack option?
 
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ifeq ($(shell echo 'int main(){}'|$(CC) --language=c /dev/stdin -o /dev/null -Xlinker --no-warn-execstack >/dev/null 2>&1 && echo yes),yes)
 
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# These programs use nested functions, which uses an executable stack
 
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plugin-runner: LDFLAGS += -Xlinker --no-warn-execstack
 
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dracut-module/password-agent: LDFLAGS += -Xlinker --no-warn-execstack
 
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plugins.d/password-prompt: LDFLAGS += -Xlinker --no-warn-execstack
 
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plugins.d/mandos-client: LDFLAGS += -Xlinker --no-warn-execstack
 
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plugins.d/plymouth: LDFLAGS += -Xlinker --no-warn-execstack
 
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endif
 
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# Need to add the GnuTLS, Avahi and GPGME libraries
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plugins.d/mandos-client: CFLAGS += $(GNUTLS_CFLAGS) $(strip \
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        ) $(AVAHI_CFLAGS) $(GPGME_CFLAGS)
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# Used by run-server
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confdir/mandos.conf: mandos.conf
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        install --directory confdir
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        install --mode=u=rw,go=r $^ $@
 
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        install -D --mode=u=rw,go=r $^ $@
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confdir/clients.conf: clients.conf keydir/seckey.txt keydir/tls-pubkey.pem
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        install --directory confdir
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        install --mode=u=rw $< $@
 
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        install -D --mode=u=rw $< $@
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# Add a client password
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        ./mandos-keygen --dir keydir --password --no-ssh >> $@
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statedir:
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.PHONY: install-html
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install-html: html
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        install --directory $(htmldir)
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        install --mode=u=rw,go=r --target-directory=$(htmldir) \
 
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        install -D --mode=u=rw,go=r --target-directory=$(htmldir) \
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                $(htmldocs)
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.PHONY: install-server
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install-server: doc
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        install --directory $(CONFDIR)
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        if install --directory --mode=u=rwx --owner=$(USER) \
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                --group=$(GROUP) $(STATEDIR); then \
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                :; \
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        elif install --directory --mode=u=rwx $(STATEDIR); then \
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                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
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        fi
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        if [ "$(TMPFILES)" != "$(DESTDIR)" \
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                        -a -d "$(TMPFILES)" ]; then \
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                install --mode=u=rw,go=r tmpfiles.d-mandos.conf \
 
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        if [ "$(TMPFILES)" != "$(DESTDIR)" ]; then \
 
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                install -D --mode=u=rw,go=r tmpfiles.d-mandos.conf \
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                        $(TMPFILES)/mandos.conf; \
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        fi
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        if [ "$(SYSUSERS)" != "$(DESTDIR)" \
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                        -a -d "$(SYSUSERS)" ]; then \
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                install --mode=u=rw,go=r sysusers.d-mandos.conf \
 
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        if [ "$(SYSUSERS)" != "$(DESTDIR)" ]; then \
 
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                install -D --mode=u=rw,go=r sysusers.d-mandos.conf \
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                        $(SYSUSERS)/mandos.conf; \
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        fi
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        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
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        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
 
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        install --directory $(BINDIR)
 
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        install --mode=u=rwx,go=rx --target-directory=$(BINDIR) mandos
 
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        install --mode=u=rwx,go=rx --target-directory=$(BINDIR) \
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                mandos-ctl
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        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
 
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        install --mode=u=rwx,go=rx --target-directory=$(BINDIR) \
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                mandos-monitor
 
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        install --directory $(CONFDIR)
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        install --mode=u=rw,go=r --target-directory=$(CONFDIR) \
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                mandos.conf
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        install --mode=u=rw --target-directory=$(CONFDIR) \
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                clients.conf
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        install --mode=u=rw,go=r dbus-mandos.conf \
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                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
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        install --mode=u=rwx,go=rx init.d-mandos \
 
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        install -D --mode=u=rw,go=r dbus-mandos.conf \
 
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                $(DBUSPOLICYDIR)/mandos.conf
 
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        install -D --mode=u=rwx,go=rx init.d-mandos \
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                $(DESTDIR)/etc/init.d/mandos
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        if [ "$(SYSTEMD)" != "$(DESTDIR)" -a -d "$(SYSTEMD)" ]; then \
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                install --mode=u=rw,go=r mandos.service $(SYSTEMD); \
 
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        if [ "$(SYSTEMD)" != "$(DESTDIR)" ]; then \
 
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                install -D --mode=u=rw,go=r mandos.service \
 
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                        $(SYSTEMD); \
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        fi
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        install --mode=u=rw,go=r default-mandos \
 
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        install -D --mode=u=rw,go=r default-mandos \
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                $(DESTDIR)/etc/default/mandos
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        if [ -z $(DESTDIR) ]; then \
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                update-rc.d mandos defaults 25 15;\
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        fi
 
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        install --directory $(MANDIR)/man8 $(MANDIR)/man5
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        gzip --best --to-stdout mandos.8 \
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                > $(MANDIR)/man8/mandos.8.gz
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        gzip --best --to-stdout mandos-monitor.8 \
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.PHONY: install-client-nokey
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install-client-nokey: all doc
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        install --directory $(LIBDIR)/mandos $(CONFDIR)
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        install --directory --mode=u=rwx $(KEYDIR) \
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                $(LIBDIR)/mandos/plugins.d \
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                $(LIBDIR)/mandos/plugin-helpers
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        if [ "$(SYSUSERS)" != "$(DESTDIR)" \
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                        -a -d "$(SYSUSERS)" ]; then \
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                install --mode=u=rw,go=r sysusers.d-mandos.conf \
 
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        if [ "$(SYSUSERS)" != "$(DESTDIR)" ]; then \
 
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                install -D --mode=u=rw,go=r sysusers.d-mandos.conf \
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                        $(SYSUSERS)/mandos-client.conf; \
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        fi
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        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
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                install --mode=u=rwx \
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                        --directory "$(CONFDIR)/plugins.d" \
 
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                install --directory \
 
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                        --mode=u=rwx "$(CONFDIR)/plugins.d" \
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                        "$(CONFDIR)/plugin-helpers"; \
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        fi
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        install --mode=u=rwx,go=rx --directory \
 
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        install --directory --mode=u=rwx,go=rx \
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                "$(CONFDIR)/network-hooks.d"
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        install --mode=u=rwx,go=rx \
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                --target-directory=$(LIBDIR)/mandos plugin-runner
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        install --mode=u=rwx,go=rx \
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                --target-directory=$(LIBDIR)/mandos \
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                mandos-to-cryptroot-unlock
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        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
 
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        install --directory $(BINDIR)
 
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        install --mode=u=rwx,go=rx --target-directory=$(BINDIR) \
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                mandos-keygen
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        install --mode=u=rwx,go=rx \
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                --target-directory=$(LIBDIR)/mandos/plugins.d \
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        install --mode=u=rwx,go=rx \
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                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
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                plugin-helpers/mandos-client-iprouteadddel
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        install initramfs-tools-hook \
 
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        install -D initramfs-tools-hook \
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                $(INITRAMFSTOOLS)/hooks/mandos
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        install --mode=u=rw,go=r initramfs-tools-conf \
 
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        install -D --mode=u=rw,go=r initramfs-tools-conf \
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                $(INITRAMFSTOOLS)/conf.d/mandos-conf
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        install --mode=u=rw,go=r initramfs-tools-conf-hook \
 
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        install -D --mode=u=rw,go=r initramfs-tools-conf-hook \
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                $(INITRAMFSTOOLS)/conf-hooks.d/zz-mandos
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        install initramfs-tools-script \
 
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        install -D initramfs-tools-script \
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                $(INITRAMFSTOOLS)/scripts/init-premount/mandos
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        install initramfs-tools-script-stop \
 
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        install -D initramfs-tools-script-stop \
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                $(INITRAMFSTOOLS)/scripts/local-premount/mandos
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        install --directory $(DRACUTMODULE)
504
 
        install --mode=u=rw,go=r --target-directory=$(DRACUTMODULE) \
 
515
        install -D --mode=u=rw,go=r \
 
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                --target-directory=$(DRACUTMODULE) \
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                dracut-module/ask-password-mandos.path \
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                dracut-module/ask-password-mandos.service
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        install --mode=u=rwxs,go=rx \
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                dracut-module/cmdline-mandos.sh \
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                dracut-module/password-agent
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        install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
 
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        install --directory $(MANDIR)/man8
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        gzip --best --to-stdout mandos-keygen.8 \
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                > $(MANDIR)/man8/mandos-keygen.8.gz
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        gzip --best --to-stdout plugin-runner.8mandos \
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.PHONY: install-client
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install-client: install-client-nokey
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# Post-installation stuff
535
 
        -$(PREFIX)/sbin/mandos-keygen --dir "$(KEYDIR)"
 
548
        -$(BINDIR)/mandos-keygen --dir "$(KEYDIR)"
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        if command -v update-initramfs >/dev/null; then \
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            update-initramfs -k all -u; \
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        elif command -v dracut >/dev/null; then \
550
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.PHONY: uninstall-server
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uninstall-server:
553
 
        -rm --force $(PREFIX)/sbin/mandos \
554
 
                $(PREFIX)/sbin/mandos-ctl \
555
 
                $(PREFIX)/sbin/mandos-monitor \
 
566
        -rm --force $(BINDIR)/mandos \
 
567
                $(BINDIR)/mandos-ctl \
 
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                $(BINDIR)/mandos-monitor \
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                $(MANDIR)/man8/mandos.8.gz \
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                $(MANDIR)/man8/mandos-monitor.8.gz \
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                $(MANDIR)/man8/mandos-ctl.8.gz \
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# to use it.
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        ! grep --regexp='^ *[^ #].*keyscript=[^,=]*/mandos/' \
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                $(DESTDIR)/etc/crypttab
570
 
        -rm --force $(PREFIX)/sbin/mandos-keygen \
 
583
        -rm --force $(BINDIR)/mandos-keygen \
571
584
                $(LIBDIR)/mandos/plugin-runner \
572
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                $(LIBDIR)/mandos/plugins.d/password-prompt \
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                $(LIBDIR)/mandos/plugins.d/mandos-client \
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                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
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                $(DESTDIR)/etc/default/mandos \
614
627
                $(DESTDIR)/etc/init.d/mandos \
615
 
                $(SYSTEMD)/mandos.service \
616
628
                $(DESTDIR)/run/mandos.pid \
617
629
                $(DESTDIR)/var/run/mandos.pid
 
630
        if [ "$(SYSTEMD)" != "$(DESTDIR)" -a -d "$(SYSTEMD)" ]; then \
 
631
                -rm --force -- $(SYSTEMD)/mandos.service; \
 
632
        fi
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        -rmdir $(CONFDIR)
619
634
 
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.PHONY: purge-client