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  • Committer: Teddy Hogeborn
  • Date: 2016-06-03 17:27:03 UTC
  • Revision ID: teddy@recompile.se-20160603172703-mc6tjor6rhq4xy74
mandos: Bug fix: Do multiprocessing cleanup correctly on exit

* mandos (main): Save module "multiprocessing" and open file "wnull"
                 as scope variables accessible by function cleanup(),
                 since the module and global variable may not be
                 accessible when the cleanup() function is run as
                 scheduled by atexit().

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Lines of Context:
Makefile
1
 
WARN:=-O -Wall -Wextra -Wdouble-promotion -Wformat=2 -Winit-self \
 
1
WARN=-O -Wall -Wextra -Wdouble-promotion -Wformat=2 -Winit-self \
2
2
        -Wmissing-include-dirs -Wswitch-default -Wswitch-enum \
3
3
        -Wunused -Wuninitialized -Wstrict-overflow=5 \
4
4
        -Wsuggest-attribute=pure -Wsuggest-attribute=const \
10
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        -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 
 
13
#DEBUG=-ggdb3
14
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
 
15
# and <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
 
16
FORTIFY=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIC
17
17
# <https://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/>
18
 
ALL_SANITIZE_OPTIONS:=-fsanitize=leak -fsanitize=undefined \
 
18
ALL_SANITIZE_OPTIONS:=-fsanitize=address -fsanitize=undefined \
19
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        -fsanitize=shift -fsanitize=integer-divide-by-zero \
20
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        -fsanitize=unreachable -fsanitize=vla-bound -fsanitize=null \
21
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        -fsanitize=return -fsanitize=signed-integer-overflow \
28
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SANITIZE:=$(foreach option,$(ALL_SANITIZE_OPTIONS),$(shell \
29
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        echo 'int main(){}' | $(CC) --language=c $(option) /dev/stdin \
30
30
        -o /dev/null >/dev/null 2>&1 && echo $(option)))
31
 
LINK_FORTIFY_LD:=-z relro -z now
32
 
LINK_FORTIFY:=
 
31
LINK_FORTIFY_LD=-z relro -z now
 
32
LINK_FORTIFY=
33
33
 
34
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# If BROKEN_PIE is set, do not build with -pie
35
35
ifndef BROKEN_PIE
37
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LINK_FORTIFY += -pie
38
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endif
39
39
#COVERAGE=--coverage
40
 
OPTIMIZE:=-Os -fno-strict-aliasing
41
 
LANGUAGE:=-std=gnu11
42
 
htmldir:=man
43
 
version:=1.8.3
44
 
SED:=sed
 
40
OPTIMIZE=-Os -fno-strict-aliasing
 
41
LANGUAGE=-std=gnu11
 
42
htmldir=man
 
43
version=1.7.7
 
44
SED=sed
45
45
 
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)))
 
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
48
 
49
49
## Use these settings for a traditional /usr/local install
50
 
# PREFIX:=$(DESTDIR)/usr/local
51
 
# CONFDIR:=$(DESTDIR)/etc/mandos
52
 
# KEYDIR:=$(DESTDIR)/etc/mandos/keys
53
 
# MANDIR:=$(PREFIX)/man
54
 
# INITRAMFSTOOLS:=$(DESTDIR)/etc/initramfs-tools
55
 
# STATEDIR:=$(DESTDIR)/var/lib/mandos
56
 
# LIBDIR:=$(PREFIX)/lib
 
50
# PREFIX=$(DESTDIR)/usr/local
 
51
# CONFDIR=$(DESTDIR)/etc/mandos
 
52
# KEYDIR=$(DESTDIR)/etc/mandos/keys
 
53
# MANDIR=$(PREFIX)/man
 
54
# INITRAMFSTOOLS=$(DESTDIR)/etc/initramfs-tools
 
55
# STATEDIR=$(DESTDIR)/var/lib/mandos
 
56
# LIBDIR=$(PREFIX)/lib
57
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##
58
58
 
59
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## These settings are for a package-type install
60
 
PREFIX:=$(DESTDIR)/usr
61
 
CONFDIR:=$(DESTDIR)/etc/mandos
62
 
KEYDIR:=$(DESTDIR)/etc/keys/mandos
63
 
MANDIR:=$(PREFIX)/share/man
64
 
INITRAMFSTOOLS:=$(DESTDIR)/usr/share/initramfs-tools
65
 
STATEDIR:=$(DESTDIR)/var/lib/mandos
66
 
LIBDIR:=$(shell \
 
60
PREFIX=$(DESTDIR)/usr
 
61
CONFDIR=$(DESTDIR)/etc/mandos
 
62
KEYDIR=$(DESTDIR)/etc/keys/mandos
 
63
MANDIR=$(PREFIX)/share/man
 
64
INITRAMFSTOOLS=$(DESTDIR)/usr/share/initramfs-tools
 
65
STATEDIR=$(DESTDIR)/var/lib/mandos
 
66
LIBDIR=$(shell \
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        for d in \
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        "/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
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        "`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/lib; do \
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        done)
75
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##
76
76
 
77
 
SYSTEMD:=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
78
 
TMPFILES:=$(DESTDIR)$(shell pkg-config systemd --variable=tmpfilesdir)
 
77
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
 
78
TMPFILES=$(DESTDIR)$(shell pkg-config systemd --variable=tmpfilesdir)
79
79
 
80
 
GNUTLS_CFLAGS:=$(shell pkg-config --cflags-only-I gnutls)
81
 
GNUTLS_LIBS:=$(shell pkg-config --libs gnutls)
82
 
AVAHI_CFLAGS:=$(shell pkg-config --cflags-only-I avahi-core)
83
 
AVAHI_LIBS:=$(shell pkg-config --libs avahi-core)
84
 
GPGME_CFLAGS:=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
85
 
GPGME_LIBS:=$(shell gpgme-config --libs; getconf LFS_LIBS; \
 
80
GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
 
81
GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
 
82
AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
 
83
AVAHI_LIBS=$(shell pkg-config --libs avahi-core)
 
84
GPGME_CFLAGS=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
 
85
GPGME_LIBS=$(shell gpgme-config --libs; getconf LFS_LIBS; \
86
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        getconf LFS_LDFLAGS)
87
 
LIBNL3_CFLAGS:=$(shell pkg-config --cflags-only-I libnl-route-3.0)
88
 
LIBNL3_LIBS:=$(shell pkg-config --libs libnl-route-3.0)
 
87
LIBNL3_CFLAGS=$(shell pkg-config --cflags-only-I libnl-route-3.0)
 
88
LIBNL3_LIBS=$(shell pkg-config --libs libnl-route-3.0)
89
89
 
90
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# Do not change these two
91
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CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(SANITIZE) $(COVERAGE) \
92
 
        $(OPTIMIZE) $(LANGUAGE) -DVERSION='"$(version)"'
 
92
        $(OPTIMIZE) $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) \
 
93
        $(GPGME_CFLAGS) -DVERSION='"$(version)"'
93
94
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
94
95
 
95
96
# Commands to format a DocBook <refentry> document into a manual page
116
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        /usr/share/xml/docbook/stylesheet/nwalsh/xhtml/docbook.xsl \
117
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        $<; $(HTMLPOST) $@)
118
119
# Fix citerefentry links
119
 
HTMLPOST:=$(SED) --in-place \
 
120
HTMLPOST=$(SED) --in-place \
120
121
        --expression='s/\(<a class="citerefentry" href="\)\("><span class="citerefentry"><span class="refentrytitle">\)\([^<]*\)\(<\/span>(\)\([^)]*\)\()<\/span><\/a>\)/\1\3.\5\2\3\4\5\6/g'
121
122
 
122
 
PLUGINS:=plugins.d/password-prompt plugins.d/mandos-client \
 
123
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
123
124
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
124
125
        plugins.d/plymouth
125
 
PLUGIN_HELPERS:=plugin-helpers/mandos-client-iprouteadddel
126
 
CPROGS:=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
127
 
PROGS:=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
128
 
DOCS:=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
 
126
PLUGIN_HELPERS=plugin-helpers/mandos-client-iprouteadddel
 
127
CPROGS=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
 
128
PROGS=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
 
129
DOCS=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
129
130
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
130
131
        plugins.d/mandos-client.8mandos \
131
132
        plugins.d/password-prompt.8mandos plugins.d/usplash.8mandos \
132
133
        plugins.d/splashy.8mandos plugins.d/askpass-fifo.8mandos \
133
134
        plugins.d/plymouth.8mandos intro.8mandos
134
135
 
135
 
htmldocs:=$(addsuffix .xhtml,$(DOCS))
 
136
htmldocs=$(addsuffix .xhtml,$(DOCS))
136
137
 
137
 
objects:=$(addsuffix .o,$(CPROGS))
 
138
objects=$(addsuffix .o,$(CPROGS))
138
139
 
139
140
all: $(PROGS) mandos.lsm
140
141
 
252
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                --expression='s/\(mandos_\)[0-9.]\+\(\.orig\.tar\.gz\)/\1$(version)\2/' \
253
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                $@)
254
255
 
255
 
# Need to add the GnuTLS, Avahi and GPGME libraries, and can't use
256
 
# -fsanitize=leak because GnuTLS and GPGME both leak memory.
257
256
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\
 
257
        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
262
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                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
263
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264
260
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
284
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        ./mandos-ctl --check
285
281
 
286
282
# Run the client with a local config and key
287
 
run-client: all keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem
 
283
run-client: all keydir/seckey.txt keydir/pubkey.txt
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        @echo "###################################################################"
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        @echo "# The following error messages are harmless and can be safely     #"
290
 
        @echo "# ignored:                                                        #"
 
286
        @echo "# ignored.  The messages are caused by not running as root, but   #"
 
287
        @echo "# you should NOT run \"make run-client\" as root unless you also    #"
 
288
        @echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
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        @echo "# From plugin-runner: setgid: Operation not permitted             #"
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        @echo "#                     setuid: Operation not permitted             #"
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        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
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        @echo "# From mandos-client:                                             #"
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        @echo "#             Failed to raise privileges: Operation not permitted #"
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        @echo "#             Warning: network hook \"*\" exited with status *      #"
297
 
        @echo "#                                                                 #"
298
 
        @echo "# (The messages are caused by not running as root, but you should #"
299
 
        @echo "# NOT run \"make run-client\" as root unless you also unpacked and  #"
300
 
        @echo "# compiled Mandos as root, which is also NOT recommended.)        #"
301
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        @echo "###################################################################"
302
296
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
303
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        ./plugin-runner --plugin-dir=plugins.d \
304
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                --plugin-helper-dir=plugin-helpers \
305
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                --config-file=plugin-runner.conf \
306
 
                --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 \
 
300
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
307
301
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
308
302
                $(CLIENTARGS)
309
303
 
310
304
# Used by run-client
311
 
keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem: mandos-keygen
 
305
keydir/seckey.txt keydir/pubkey.txt: mandos-keygen
312
306
        install --directory keydir
313
307
        ./mandos-keygen --dir keydir --force
314
308
 
321
315
confdir/mandos.conf: mandos.conf
322
316
        install --directory confdir
323
317
        install --mode=u=rw,go=r $^ $@
324
 
confdir/clients.conf: clients.conf keydir/seckey.txt keydir/tls-pubkey.pem
 
318
confdir/clients.conf: clients.conf keydir/seckey.txt
325
319
        install --directory confdir
326
320
        install --mode=u=rw $< $@
327
321
# Add a client password
396
390
                "$(CONFDIR)/network-hooks.d"
397
391
        install --mode=u=rwx,go=rx \
398
392
                --target-directory=$(LIBDIR)/mandos plugin-runner
399
 
        install --mode=u=rwx,go=rx \
400
 
                --target-directory=$(LIBDIR)/mandos mandos-to-cryptroot-unlock
401
393
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
402
394
                mandos-keygen
403
395
        install --mode=u=rwx,go=rx \
423
415
                plugin-helpers/mandos-client-iprouteadddel
424
416
        install initramfs-tools-hook \
425
417
                $(INITRAMFSTOOLS)/hooks/mandos
426
 
        install --mode=u=rw,go=r initramfs-tools-conf \
427
 
                $(INITRAMFSTOOLS)/conf.d/mandos-conf
 
418
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
 
419
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos
428
420
        install initramfs-tools-script \
429
421
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos
430
 
        install initramfs-tools-script-stop \
431
 
                $(INITRAMFSTOOLS)/scripts/local-premount/mandos
432
422
        install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
433
423
        gzip --best --to-stdout mandos-keygen.8 \
434
424
                > $(MANDIR)/man8/mandos-keygen.8.gz
446
436
                > $(MANDIR)/man8/askpass-fifo.8mandos.gz
447
437
        gzip --best --to-stdout plugins.d/plymouth.8mandos \
448
438
                > $(MANDIR)/man8/plymouth.8mandos.gz
 
439
        gzip --best --to-stdout intro.8mandos \
 
440
                > $(MANDIR)/man8/intro.8mandos.gz
449
441
 
450
442
install-client: install-client-nokey
451
443
# Post-installation stuff
508
500
        -rmdir $(CONFDIR)
509
501
 
510
502
purge-client: uninstall-client
511
 
        -shred --remove $(KEYDIR)/seckey.txt $(KEYDIR)/tls-privkey.pem
 
503
        -shred --remove $(KEYDIR)/seckey.txt
512
504
        -rm --force $(CONFDIR)/plugin-runner.conf \
513
 
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt \
514
 
                $(KEYDIR)/tls-pubkey.txt $(KEYDIR)/tls-privkey.txt
 
505
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt
515
506
        -rmdir $(KEYDIR) $(CONFDIR)/plugins.d $(CONFDIR)