/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2019-07-27 10:11:45 UTC
  • Revision ID: teddy@recompile.se-20190727101145-jnpbpf8220gldbcd
Add dracut(8) support

Add support for the dracut(8) system for generating initramfs image
files; dracut is an alternative to the "initramfs-tools" package.

* .bzrignore (dracut-module/password-agent): Ignore new binary file.
* dracut-module: New directory for the dracut module.
* INSTALL (Prerequisites/Libraries/Mandos Client): Add dracut as an
                                                   alternative to
                                                   initramfs-tools,
                                                   and also add GLib.
* Makefile (DRACUTMODULE, GLIB_CFLAGS, GLIB_LIBS): New.
  (CPROGS): Add "dracut-module/password-agent".
  (DOCS): Add "dracut-module/password-agent.8mandos".
  (dracut-module/password-agent.8mandos): New.
  (dracut-module/password-agent.8mandos.xhtml): - '' -
  (dracut-module/password-agent): - '' -
  (check): Add command to run tests of password-agent(8mandos).
  (install-client-nokey): Also install the dracut module directory,
                          its files, and the password-agent(8mandos)
                          manual page.
  (install-client): To update the initramfs image file, run
                    update-initramfs or dracut depending on what is
                    installed.
  (uninstall-client): - '' - and also uninstall the the files in the
                      dracut module directory, that directory itself,
                      and the password-agent(8mandos) manual page.
* debian/control (Build-Depends): Add "libglib2.0-dev (>=2.40)".
  (Package: mandos-client/Depends): Add "dracut (>= 044+241-3)" as an
                                    alternative dependency to
                                    initramfs-tools.
  (Package: mandos-client/Conflicts): New; set to
                                      "dracut-config-generic".
  (debian/mandos-client.README.Debian): Document alternative commands
                                        to update the initramfs image
                                        for when dracut is used.
* debian/mandos-client.postinst (update_initramfs): Use alternative
                                                    commands to update
                                                    the initramfs
                                                    image for when
                                                    dracut is used.
* debian/tests/control (password-agent, password-agent-suid): Add two
                                                              new tests.
* dracut-module/ask-password-mandos.path: New.
* dracut-module/ask-password-mandos.service: - '' -
* dracut-module/cmdline-mandos.sh: - '' -
* dracut-module/module-setup.sh: - '' -
* dracut-module/password-agent.c: - '' -
* dracut-module/password-agent.xml: - '' -
* initramfs-unpack: Use the dracut "skipcpio" command, if available.
                    Also be more flexible and try hard to detect where
                    compressed data starts.
* plugins.d/mandos-client.xml (SECURITY): Be more precise that the
                                          mandos-client binary might
                                          not always be setuid, but
                                          that the program assumes
                                          that it has been started
                                          that way.
* plugins.d/password-prompt.c: Add new "--prompt" option.
  (conflict_detection): First try to detect the new PID file of
                        plymouth.
  (main): Define and use new "prompt" variable.
* plugins.d/password-prompt.xml (SYNOPSIS): Show new --prompt option.
  (DESCRIPTION): Describe new behavior of looking for plymouth PID
                 file.
  (OPTIONS): Document new "--prompt" option.
  (ENVIRONMENT): Clarify that the CRYPTTAB_SOURCE and CRYPTTAB_NAME
                 environment variables are not used if the --prompt
                 option is used.  Remove unnecessarily specific
                 details about where the CRYPTTAB_SOURCE and
                 CRYPTTAB_NAME comes from, since this can now be
                 either initramfs-tools or dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference, and add commas
              to separate the other references.
* plugins.d/plymouth.c: Add new "--prompt" and "--debug" options.
  (debug): New global flag.
  (fprintf_plus): New function, used for debug output.
  (exec_and_wait): Add extra "const" to "argv" argument.
  (main): Define and use new "prompt" variable.  Add debug output.
  (main/options, main/parse_opt): New; used to parse options.
* plugins.d/plymouth.xml (SYNOPSIS): Show new options.
  (OPTIONS): Document new options.
  (ENVIRONMENT): Clarify that the cryptsource and crypttarget
                 environment variables are not used if the --prompt
                 option is used.  Remove unnecessarily specific
                 details about where the cryptsource and crypttarget
                 comes from, since this can now be either
                 initramfs-tools or dracut.
  (EXAMPLE): Add an example using an option.
  (SEE ALSO): Remove superfluous crypttab(5) reference.
* plugins.d/splashy.xml (ENVIRONMENT): Clarify that the cryptsource
                                       and crypttarget environment
                                       variables are not used if the
                                       --prompt option is used.
                                       Remove unnecessarily specific
                                       details about where the
                                       cryptsource and crypttarget
                                       comes from, since this can now
                                       be either initramfs-tools or
                                       dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference.
* plugins.d/usplash.xml (ENVIRONMENT): Clarify that the cryptsource
                                       and crypttarget environment
                                       variables are not used if the
                                       --prompt option is used.
                                       Remove unnecessarily specific
                                       details about where the
                                       cryptsource and crypttarget
                                       comes from, since this can now
                                       be either initramfs-tools or
                                       dracut.
  (SEE ALSO): Remove superfluous crypttab(5) reference.

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Lines of Context:
Makefile
10
10
        -Wmissing-format-attribute -Wnormalized=nfc -Wpacked \
11
11
        -Wredundant-decls -Wnested-externs -Winline -Wvla \
12
12
        -Wvolatile-register-var -Woverlength-strings
13
 
#DEBUG:=-ggdb3 -fsanitize=address 
14
 
# For info about _FORTIFY_SOURCE, see feature_test_macros(7)
15
 
# and <https://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
16
 
FORTIFY:=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIC
 
13
 
 
14
#DEBUG:=-ggdb3 -fsanitize=address $(SANITIZE)
 
15
## Check which sanitizing options can be used
 
16
#SANITIZE:=$(foreach option,$(ALL_SANITIZE_OPTIONS),$(shell \
 
17
#       echo 'int main(){}' | $(CC) --language=c $(option) \
 
18
#       /dev/stdin -o /dev/null >/dev/null 2>&1 && echo $(option)))
17
19
# <https://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/>
18
20
ALL_SANITIZE_OPTIONS:=-fsanitize=leak -fsanitize=undefined \
19
21
        -fsanitize=shift -fsanitize=integer-divide-by-zero \
23
25
        -fsanitize=object-size -fsanitize=float-divide-by-zero \
24
26
        -fsanitize=float-cast-overflow -fsanitize=nonnull-attribute \
25
27
        -fsanitize=returns-nonnull-attribute -fsanitize=bool \
26
 
        -fsanitize=enum
27
 
# Check which sanitizing options can be used
28
 
SANITIZE:=$(foreach option,$(ALL_SANITIZE_OPTIONS),$(shell \
29
 
        echo 'int main(){}' | $(CC) --language=c $(option) /dev/stdin \
30
 
        -o /dev/null >/dev/null 2>&1 && echo $(option)))
 
28
        -fsanitize=enum -fsanitize-address-use-after-scope
 
29
 
 
30
# For info about _FORTIFY_SOURCE, see feature_test_macros(7)
 
31
# and <https://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
 
32
FORTIFY:=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIC
31
33
LINK_FORTIFY_LD:=-z relro -z now
32
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LINK_FORTIFY:=
33
35
 
40
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OPTIMIZE:=-Os -fno-strict-aliasing
41
43
LANGUAGE:=-std=gnu11
42
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htmldir:=man
43
 
version:=1.7.19
 
45
version:=1.8.4
44
46
SED:=sed
45
47
 
46
 
USER:=$(firstword $(subst :, ,$(shell getent passwd _mandos || getent passwd nobody || echo 65534)))
47
 
GROUP:=$(firstword $(subst :, ,$(shell getent group _mandos || getent group nogroup || echo 65534)))
 
48
USER:=$(firstword $(subst :, ,$(shell getent passwd _mandos \
 
49
        || getent passwd nobody || echo 65534)))
 
50
GROUP:=$(firstword $(subst :, ,$(shell getent group _mandos \
 
51
        || getent group nogroup || echo 65534)))
48
52
 
49
53
## Use these settings for a traditional /usr/local install
50
54
# PREFIX:=$(DESTDIR)/usr/local
52
56
# KEYDIR:=$(DESTDIR)/etc/mandos/keys
53
57
# MANDIR:=$(PREFIX)/man
54
58
# INITRAMFSTOOLS:=$(DESTDIR)/etc/initramfs-tools
 
59
# DRACUTMODULE:=$(DESTDIR)/usr/lib/dracut/modules.d/90mandos
55
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# STATEDIR:=$(DESTDIR)/var/lib/mandos
56
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# LIBDIR:=$(PREFIX)/lib
57
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##
62
67
KEYDIR:=$(DESTDIR)/etc/keys/mandos
63
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MANDIR:=$(PREFIX)/share/man
64
69
INITRAMFSTOOLS:=$(DESTDIR)/usr/share/initramfs-tools
 
70
DRACUTMODULE:=$(DESTDIR)/usr/lib/dracut/modules.d/90mandos
65
71
STATEDIR:=$(DESTDIR)/var/lib/mandos
66
72
LIBDIR:=$(shell \
67
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        for d in \
86
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        getconf LFS_LDFLAGS)
87
93
LIBNL3_CFLAGS:=$(shell pkg-config --cflags-only-I libnl-route-3.0)
88
94
LIBNL3_LIBS:=$(shell pkg-config --libs libnl-route-3.0)
 
95
GLIB_CFLAGS:=$(shell pkg-config --cflags glib-2.0)
 
96
GLIB_LIBS:=$(shell pkg-config --libs glib-2.0)
89
97
 
90
98
# Do not change these two
91
 
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(SANITIZE) $(COVERAGE) \
 
99
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) \
92
100
        $(OPTIMIZE) $(LANGUAGE) -DVERSION='"$(version)"'
93
 
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
 
101
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(strip \
 
102
        ) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
94
103
 
95
104
# Commands to format a DocBook <refentry> document into a manual page
96
105
DOCBOOKTOMAN=$(strip cd $(dir $<); xsltproc --nonet --xinclude \
102
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        /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
103
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        $(notdir $<); \
104
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        if locale --all 2>/dev/null | grep --regexp='^en_US\.utf8$$' \
105
 
        && type man 2>/dev/null; then LANG=en_US.UTF-8 MANWIDTH=80 \
106
 
        man --warnings --encoding=UTF-8 --local-file $(notdir $@); \
107
 
        fi >/dev/null)
 
114
        && command -v man >/dev/null; then LANG=en_US.UTF-8 \
 
115
        MANWIDTH=80 man --warnings --encoding=UTF-8 --local-file \
 
116
        $(notdir $@); fi >/dev/null)
108
117
 
109
118
DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
110
119
        --param make.year.ranges                1 \
123
132
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
124
133
        plugins.d/plymouth
125
134
PLUGIN_HELPERS:=plugin-helpers/mandos-client-iprouteadddel
126
 
CPROGS:=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
 
135
CPROGS:=plugin-runner dracut-module/password-agent $(PLUGINS) \
 
136
        $(PLUGIN_HELPERS)
127
137
PROGS:=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
128
138
DOCS:=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
129
139
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
 
140
        dracut-module/password-agent.8mandos \
130
141
        plugins.d/mandos-client.8mandos \
131
142
        plugins.d/password-prompt.8mandos plugins.d/usplash.8mandos \
132
143
        plugins.d/splashy.8mandos plugins.d/askpass-fifo.8mandos \
204
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                overview.xml legalnotice.xml
205
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        $(DOCBOOKTOHTML)
206
217
 
 
218
dracut-module/password-agent.8mandos: \
 
219
                dracut-module/password-agent.xml common.ent \
 
220
                overview.xml legalnotice.xml
 
221
        $(DOCBOOKTOMAN)
 
222
dracut-module/password-agent.8mandos.xhtml: \
 
223
                dracut-module/password-agent.xml common.ent \
 
224
                overview.xml legalnotice.xml
 
225
        $(DOCBOOKTOHTML)
 
226
 
207
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plugins.d/mandos-client.8mandos: plugins.d/mandos-client.xml \
208
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                                        common.ent \
209
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                                        mandos-options.xml \
252
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                --expression='s/\(mandos_\)[0-9.]\+\(\.orig\.tar\.gz\)/\1$(version)\2/' \
253
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                $@)
254
274
 
255
 
# Need to add the GnuTLS, Avahi and GPGME libraries, and can't use
256
 
# -fsanitize=leak because GnuTLS and GPGME both leak memory.
 
275
# Need to add the GnuTLS, Avahi and GPGME libraries
257
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plugins.d/mandos-client: plugins.d/mandos-client.c
258
 
        $(CC) $(filter-out -fsanitize=leak,$(CFLAGS)) $(strip\
259
 
        ) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) $(strip\
260
 
                ) $(CPPFLAGS) $(LDFLAGS) $(TARGET_ARCH) $^ $(strip\
261
 
                ) -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
262
 
                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
 
277
        $(LINK.c) $^ $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(strip\
 
278
                ) $(GPGME_CFLAGS) $(GNUTLS_LIBS) $(strip\
 
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                ) $(AVAHI_LIBS) $(GPGME_LIBS) $(LOADLIBES) $(strip\
 
280
                ) $(LDLIBS) -o $@
263
281
 
 
282
# Need to add the libnl-route library
264
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plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
265
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        $(LINK.c) $(LIBNL3_CFLAGS) $^ $(LIBNL3_LIBS) $(strip\
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                ) $(LOADLIBES) $(LDLIBS) -o $@
267
286
 
 
287
# Need to add the GLib and pthread libraries
 
288
dracut-module/password-agent: dracut-module/password-agent.c
 
289
        $(LINK.c) $(GLIB_CFLAGS) $^ $(GLIB_LIBS) -lpthread $(strip\
 
290
                ) $(LOADLIBES) $(LDLIBS) -o $@
 
291
 
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.PHONY : all doc html clean distclean mostlyclean maintainer-clean \
269
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        check run-client run-server install install-html \
270
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        install-server install-client-nokey install-client uninstall \
279
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maintainer-clean: clean
280
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        -rm --force --recursive keydir confdir statedir
281
305
 
282
 
check:  all
 
306
check: all
283
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        ./mandos --check
284
308
        ./mandos-ctl --check
 
309
        ./mandos-keygen --version
 
310
        ./plugin-runner --version
 
311
        ./plugin-helpers/mandos-client-iprouteadddel --version
 
312
        ./dracut-module/password-agent --test
285
313
 
286
314
# Run the client with a local config and key
287
 
run-client: all keydir/seckey.txt keydir/pubkey.txt
 
315
run-client: all keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem
288
316
        @echo "###################################################################"
289
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        @echo "# The following error messages are harmless and can be safely     #"
290
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        @echo "# ignored:                                                        #"
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        ./plugin-runner --plugin-dir=plugins.d \
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                --plugin-helper-dir=plugin-helpers \
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                --config-file=plugin-runner.conf \
306
 
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
 
334
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--tls-privkey=keydir/tls-privkey.pem,--tls-pubkey=keydir/tls-pubkey.pem,--network-hook-dir=network-hooks.d \
307
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                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
308
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                $(CLIENTARGS)
309
337
 
310
338
# Used by run-client
311
 
keydir/seckey.txt keydir/pubkey.txt: mandos-keygen
 
339
keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem: mandos-keygen
312
340
        install --directory keydir
313
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        ./mandos-keygen --dir keydir --force
314
342
 
321
349
confdir/mandos.conf: mandos.conf
322
350
        install --directory confdir
323
351
        install --mode=u=rw,go=r $^ $@
324
 
confdir/clients.conf: clients.conf keydir/seckey.txt
 
352
confdir/clients.conf: clients.conf keydir/seckey.txt keydir/tls-pubkey.pem
325
353
        install --directory confdir
326
354
        install --mode=u=rw $< $@
327
355
# Add a client password
396
424
                "$(CONFDIR)/network-hooks.d"
397
425
        install --mode=u=rwx,go=rx \
398
426
                --target-directory=$(LIBDIR)/mandos plugin-runner
 
427
        install --mode=u=rwx,go=rx \
 
428
                --target-directory=$(LIBDIR)/mandos mandos-to-cryptroot-unlock
399
429
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
400
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                mandos-keygen
401
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        install --mode=u=rwx,go=rx \
421
451
                plugin-helpers/mandos-client-iprouteadddel
422
452
        install initramfs-tools-hook \
423
453
                $(INITRAMFSTOOLS)/hooks/mandos
424
 
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
425
 
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos
 
454
        install --mode=u=rw,go=r initramfs-tools-conf \
 
455
                $(INITRAMFSTOOLS)/conf.d/mandos-conf
 
456
        install --mode=u=rw,go=r initramfs-tools-conf-hook \
 
457
                $(INITRAMFSTOOLS)/conf-hooks.d/zz-mandos
426
458
        install initramfs-tools-script \
427
459
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos
 
460
        install initramfs-tools-script-stop \
 
461
                $(INITRAMFSTOOLS)/scripts/local-premount/mandos
 
462
        install --directory $(DRACUTMODULE)
 
463
        install --mode=u=rw,go=r --target-directory=$(DRACUTMODULE) \
 
464
                dracut-module/ask-password-mandos.path \
 
465
                dracut-module/ask-password-mandos.service
 
466
        install --mode=u=rwxs,go=rx \
 
467
                --target-directory=$(DRACUTMODULE) \
 
468
                dracut-module/module-setup.sh \
 
469
                dracut-module/cmdline-mandos.sh \
 
470
                dracut-module/password-agent
428
471
        install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
429
472
        gzip --best --to-stdout mandos-keygen.8 \
430
473
                > $(MANDIR)/man8/mandos-keygen.8.gz
442
485
                > $(MANDIR)/man8/askpass-fifo.8mandos.gz
443
486
        gzip --best --to-stdout plugins.d/plymouth.8mandos \
444
487
                > $(MANDIR)/man8/plymouth.8mandos.gz
 
488
        gzip --best --to-stdout dracut-module/password-agent.8mandos \
 
489
                > $(MANDIR)/man8/password-agent.8mandos.gz
445
490
 
446
491
install-client: install-client-nokey
447
492
# Post-installation stuff
448
493
        -$(PREFIX)/sbin/mandos-keygen --dir "$(KEYDIR)"
449
 
        update-initramfs -k all -u
 
494
        if command -v update-initramfs >/dev/null; then \
 
495
            update-initramfs -k all -u; \
 
496
        elif command -v dracut >/dev/null; then \
 
497
            for initrd in $(DESTDIR)/boot/initr*-$(shell uname --kernel-release); do \
 
498
                if [ -w "$$initrd" ]; then \
 
499
                    chmod go-r "$$initrd"; \
 
500
                    dracut --force "$$initrd"; \
 
501
                fi; \
 
502
            done; \
 
503
        fi
450
504
        echo "Now run mandos-keygen --password --dir $(KEYDIR)"
451
505
 
452
506
uninstall: uninstall-server uninstall-client
479
533
                $(INITRAMFSTOOLS)/hooks/mandos \
480
534
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos \
481
535
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos \
 
536
                $(INITRAMFSTOOLS)/scripts/local-premount/mandos \
 
537
                $(DRACUTMODULE)/ask-password-mandos.path \
 
538
                $(DRACUTMODULE)/ask-password-mandos.service \
 
539
                $(DRACUTMODULE)/module-setup.sh \
 
540
                $(DRACUTMODULE)/cmdline-mandos.sh \
 
541
                $(DRACUTMODULE)/password-agent \
482
542
                $(MANDIR)/man8/mandos-keygen.8.gz \
483
543
                $(MANDIR)/man8/plugin-runner.8mandos.gz \
484
544
                $(MANDIR)/man8/mandos-client.8mandos.gz
487
547
                $(MANDIR)/man8/splashy.8mandos.gz \
488
548
                $(MANDIR)/man8/askpass-fifo.8mandos.gz \
489
549
                $(MANDIR)/man8/plymouth.8mandos.gz \
 
550
                $(MANDIR)/man8/password-agent.8mandos.gz \
490
551
        -rmdir $(LIBDIR)/mandos/plugins.d $(CONFDIR)/plugins.d \
491
 
                 $(LIBDIR)/mandos $(CONFDIR) $(KEYDIR)
492
 
        update-initramfs -k all -u
 
552
                 $(LIBDIR)/mandos $(CONFDIR) $(KEYDIR) $(DRACUTMODULE)
 
553
        if command -v update-initramfs >/dev/null; then \
 
554
            update-initramfs -k all -u; \
 
555
        elif command -v dracut >/dev/null; then \
 
556
            for initrd in $(DESTDIR)/boot/initr*-$(shell uname --kernel-release); do \
 
557
                test -w "$$initrd" && dracut --force "$$initrd"; \
 
558
            done; \
 
559
        fi
493
560
 
494
561
purge: purge-server purge-client
495
562
 
504
571
        -rmdir $(CONFDIR)
505
572
 
506
573
purge-client: uninstall-client
507
 
        -shred --remove $(KEYDIR)/seckey.txt
 
574
        -shred --remove $(KEYDIR)/seckey.txt $(KEYDIR)/tls-privkey.pem
508
575
        -rm --force $(CONFDIR)/plugin-runner.conf \
509
 
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt
 
576
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt \
 
577
                $(KEYDIR)/tls-pubkey.txt $(KEYDIR)/tls-privkey.txt
510
578
        -rmdir $(KEYDIR) $(CONFDIR)/plugins.d $(CONFDIR)