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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 -Wformat=2 -Winit-self -Wmissing-include-dirs \
2
 
        -Wswitch-default -Wswitch-enum -Wunused-parameter \
3
 
        -Wstrict-aliasing=1 -Wextra -Wfloat-equal -Wundef -Wshadow \
 
1
WARN=-O -Wall -Wextra -Wdouble-promotion -Wformat=2 -Winit-self \
 
2
        -Wmissing-include-dirs -Wswitch-default -Wswitch-enum \
 
3
        -Wunused -Wuninitialized -Wstrict-overflow=5 \
 
4
        -Wsuggest-attribute=pure -Wsuggest-attribute=const \
 
5
        -Wsuggest-attribute=noreturn -Wfloat-equal -Wundef -Wshadow \
4
6
        -Wunsafe-loop-optimizations -Wpointer-arith \
5
7
        -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings \
6
 
        -Wconversion -Wstrict-prototypes -Wold-style-definition \
7
 
        -Wpacked -Wnested-externs -Winline -Wvolatile-register-var
8
 
#       -Wunreachable-code
 
8
        -Wconversion -Wlogical-op -Waggregate-return \
 
9
        -Wstrict-prototypes -Wold-style-definition \
 
10
        -Wmissing-format-attribute -Wnormalized=nfc -Wpacked \
 
11
        -Wredundant-decls -Wnested-externs -Winline -Wvla \
 
12
        -Wvolatile-register-var -Woverlength-strings
9
13
#DEBUG=-ggdb3
10
 
# For info about _FORTIFY_SOURCE, see
11
 
# <http://www.kernel.org/doc/man-pages/online/pages/man7/feature_test_macros.7.html>
 
14
# For info about _FORTIFY_SOURCE, see feature_test_macros(7)
12
15
# and <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
13
16
FORTIFY=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIC
 
17
# <https://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/>
 
18
ALL_SANITIZE_OPTIONS:=-fsanitize=address -fsanitize=undefined \
 
19
        -fsanitize=shift -fsanitize=integer-divide-by-zero \
 
20
        -fsanitize=unreachable -fsanitize=vla-bound -fsanitize=null \
 
21
        -fsanitize=return -fsanitize=signed-integer-overflow \
 
22
        -fsanitize=bounds -fsanitize=alignment \
 
23
        -fsanitize=object-size -fsanitize=float-divide-by-zero \
 
24
        -fsanitize=float-cast-overflow -fsanitize=nonnull-attribute \
 
25
        -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)))
14
31
LINK_FORTIFY_LD=-z relro -z now
15
32
LINK_FORTIFY=
16
33
 
20
37
LINK_FORTIFY += -pie
21
38
endif
22
39
#COVERAGE=--coverage
23
 
OPTIMIZE=-Os
24
 
LANGUAGE=-std=gnu99
 
40
OPTIMIZE=-Os -fno-strict-aliasing
 
41
LANGUAGE=-std=gnu11
25
42
htmldir=man
26
 
version=1.4.1
 
43
version=1.7.7
27
44
SED=sed
28
45
 
29
46
USER=$(firstword $(subst :, ,$(shell getent passwd _mandos || getent passwd nobody || echo 65534)))
30
 
GROUP=$(firstword $(subst :, ,$(shell getent group _mandos || getent group nobody || echo 65534)))
 
47
GROUP=$(firstword $(subst :, ,$(shell getent group _mandos || getent group nogroup || echo 65534)))
31
48
 
32
49
## Use these settings for a traditional /usr/local install
33
50
# PREFIX=$(DESTDIR)/usr/local
36
53
# MANDIR=$(PREFIX)/man
37
54
# INITRAMFSTOOLS=$(DESTDIR)/etc/initramfs-tools
38
55
# STATEDIR=$(DESTDIR)/var/lib/mandos
 
56
# LIBDIR=$(PREFIX)/lib
39
57
##
40
58
 
41
59
## These settings are for a package-type install
45
63
MANDIR=$(PREFIX)/share/man
46
64
INITRAMFSTOOLS=$(DESTDIR)/usr/share/initramfs-tools
47
65
STATEDIR=$(DESTDIR)/var/lib/mandos
 
66
LIBDIR=$(shell \
 
67
        for d in \
 
68
        "/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
 
69
        "`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/lib; do \
 
70
                if [ -d "$$d" -a "$$d" = "$${d%/}" ]; then \
 
71
                        echo "$(DESTDIR)$$d"; \
 
72
                        break; \
 
73
                fi; \
 
74
        done)
48
75
##
49
76
 
 
77
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
 
78
TMPFILES=$(DESTDIR)$(shell pkg-config systemd --variable=tmpfilesdir)
 
79
 
50
80
GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
51
81
GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
52
82
AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
54
84
GPGME_CFLAGS=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
55
85
GPGME_LIBS=$(shell gpgme-config --libs; getconf LFS_LIBS; \
56
86
        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)
57
89
 
58
90
# Do not change these two
59
 
CFLAGS=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
60
 
        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
61
 
        -DVERSION='"$(version)"'
62
 
LDFLAGS=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
 
91
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(SANITIZE) $(COVERAGE) \
 
92
        $(OPTIMIZE) $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) \
 
93
        $(GPGME_CFLAGS) -DVERSION='"$(version)"'
 
94
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
63
95
 
64
96
# Commands to format a DocBook <refentry> document into a manual page
65
97
DOCBOOKTOMAN=$(strip cd $(dir $<); xsltproc --nonet --xinclude \
68
100
        --param make.single.year.ranges         1 \
69
101
        --param man.output.quietly              1 \
70
102
        --param man.authors.section.enabled     0 \
71
 
         /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
 
103
        /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
72
104
        $(notdir $<); \
73
 
        $(MANPOST) $(notdir $@);\
74
 
        LANG=en_US.UTF-8 MANWIDTH=80 man --warnings --encoding=UTF-8 \
75
 
        --local-file $(notdir $@) >/dev/null)
76
 
# DocBook-to-man post-processing to fix a '\n' escape bug
77
 
MANPOST=$(SED) --in-place --expression='s,\\\\en,\\en,g;s,\\n,\\en,g'
 
105
        if locale --all 2>/dev/null | grep --regexp='^en_US\.utf8$$' \
 
106
        && type man 2>/dev/null; then LANG=en_US.UTF-8 MANWIDTH=80 \
 
107
        man --warnings --encoding=UTF-8 --local-file $(notdir $@); \
 
108
        fi >/dev/null)
78
109
 
79
110
DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
80
111
        --param make.year.ranges                1 \
92
123
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
93
124
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
94
125
        plugins.d/plymouth
95
 
CPROGS=plugin-runner $(PLUGINS)
 
126
PLUGIN_HELPERS=plugin-helpers/mandos-client-iprouteadddel
 
127
CPROGS=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
96
128
PROGS=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
97
129
DOCS=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
98
130
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
225
257
        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
226
258
                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
227
259
 
228
 
.PHONY : all doc html clean distclean run-client run-server install \
229
 
        install-server install-client uninstall uninstall-server \
230
 
        uninstall-client purge purge-server purge-client
 
260
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
 
261
        $(LINK.c) $(LIBNL3_CFLAGS) $^ $(LIBNL3_LIBS) $(strip\
 
262
                ) $(LOADLIBES) $(LDLIBS) -o $@
 
263
 
 
264
.PHONY : all doc html clean distclean mostlyclean maintainer-clean \
 
265
        check run-client run-server install install-html \
 
266
        install-server install-client-nokey install-client uninstall \
 
267
        uninstall-server uninstall-client purge purge-server \
 
268
        purge-client
231
269
 
232
270
clean:
233
271
        -rm --force $(CPROGS) $(objects) $(htmldocs) $(DOCS) core
239
277
 
240
278
check:  all
241
279
        ./mandos --check
 
280
        ./mandos-ctl --check
242
281
 
243
282
# Run the client with a local config and key
244
283
run-client: all keydir/seckey.txt keydir/pubkey.txt
247
286
        @echo "# ignored.  The messages are caused by not running as root, but   #"
248
287
        @echo "# you should NOT run \"make run-client\" as root unless you also    #"
249
288
        @echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
250
 
        @echo "# From plugin-runner: setuid: Operation not permitted             #"
 
289
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
 
290
        @echo "#                     setuid: Operation not permitted             #"
251
291
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
252
 
        @echo "# From mandos-client: setuid: Operation not permitted             #"
253
 
        @echo "#                     seteuid: Operation not permitted            #"
254
 
        @echo "#                     klogctl: Operation not permitted            #"
 
292
        @echo "# From mandos-client:                                             #"
 
293
        @echo "#             Failed to raise privileges: Operation not permitted #"
 
294
        @echo "#             Warning: network hook \"*\" exited with status *      #"
255
295
        @echo "###################################################################"
 
296
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
256
297
        ./plugin-runner --plugin-dir=plugins.d \
 
298
                --plugin-helper-dir=plugin-helpers \
257
299
                --config-file=plugin-runner.conf \
258
300
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
 
301
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
259
302
                $(CLIENTARGS)
260
303
 
261
304
# Used by run-client
264
307
        ./mandos-keygen --dir keydir --force
265
308
 
266
309
# Run the server with a local config
267
 
run-server: confdir/mandos.conf confdir/clients.conf
 
310
run-server: confdir/mandos.conf confdir/clients.conf statedir
268
311
        ./mandos --debug --no-dbus --configdir=confdir \
269
312
                --statedir=statedir $(SERVERARGS)
270
313
 
276
319
        install --directory confdir
277
320
        install --mode=u=rw $< $@
278
321
# Add a client password
279
 
        ./mandos-keygen --dir keydir --password >> $@
 
322
        ./mandos-keygen --dir keydir --password --no-ssh >> $@
280
323
statedir:
281
324
        install --directory statedir
282
325
 
289
332
 
290
333
install-server: doc
291
334
        install --directory $(CONFDIR)
292
 
        install --directory --mode=u=rwx --owner=$(USER) \
293
 
                --group=$(GROUP) $(STATEDIR)
 
335
        if install --directory --mode=u=rwx --owner=$(USER) \
 
336
                --group=$(GROUP) $(STATEDIR); then \
 
337
                :; \
 
338
        elif install --directory --mode=u=rwx $(STATEDIR); then \
 
339
                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
 
340
        fi
 
341
        if [ "$(TMPFILES)" != "$(DESTDIR)" -a -d "$(TMPFILES)" ]; then \
 
342
                install --mode=u=rw,go=r tmpfiles.d-mandos.conf \
 
343
                        $(TMPFILES)/mandos.conf; \
 
344
        fi
294
345
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
295
346
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
296
347
                mandos-ctl
304
355
                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
305
356
        install --mode=u=rwx,go=rx init.d-mandos \
306
357
                $(DESTDIR)/etc/init.d/mandos
 
358
        if [ "$(SYSTEMD)" != "$(DESTDIR)" -a -d "$(SYSTEMD)" ]; then \
 
359
                install --mode=u=rw,go=r mandos.service $(SYSTEMD); \
 
360
        fi
307
361
        install --mode=u=rw,go=r default-mandos \
308
362
                $(DESTDIR)/etc/default/mandos
309
363
        if [ -z $(DESTDIR) ]; then \
319
373
                > $(MANDIR)/man5/mandos.conf.5.gz
320
374
        gzip --best --to-stdout mandos-clients.conf.5 \
321
375
                > $(MANDIR)/man5/mandos-clients.conf.5.gz
 
376
        gzip --best --to-stdout intro.8mandos \
 
377
                > $(MANDIR)/man8/intro.8mandos.gz
322
378
 
323
379
install-client-nokey: all doc
324
 
        install --directory $(PREFIX)/lib/mandos $(CONFDIR)
 
380
        install --directory $(LIBDIR)/mandos $(CONFDIR)
325
381
        install --directory --mode=u=rwx $(KEYDIR) \
326
 
                $(PREFIX)/lib/mandos/plugins.d
327
 
        if [ "$(CONFDIR)" != "$(PREFIX)/lib/mandos" ]; then \
 
382
                $(LIBDIR)/mandos/plugins.d \
 
383
                $(LIBDIR)/mandos/plugin-helpers
 
384
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
328
385
                install --mode=u=rwx \
329
 
                        --directory "$(CONFDIR)/plugins.d"; \
 
386
                        --directory "$(CONFDIR)/plugins.d" \
 
387
                        "$(CONFDIR)/plugin-helpers"; \
330
388
        fi
331
389
        install --mode=u=rwx,go=rx --directory \
332
390
                "$(CONFDIR)/network-hooks.d"
333
391
        install --mode=u=rwx,go=rx \
334
 
                --target-directory=$(PREFIX)/lib/mandos plugin-runner
 
392
                --target-directory=$(LIBDIR)/mandos plugin-runner
335
393
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
336
394
                mandos-keygen
337
395
        install --mode=u=rwx,go=rx \
338
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
396
                --target-directory=$(LIBDIR)/mandos/plugins.d \
339
397
                plugins.d/password-prompt
340
398
        install --mode=u=rwxs,go=rx \
341
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
399
                --target-directory=$(LIBDIR)/mandos/plugins.d \
342
400
                plugins.d/mandos-client
343
401
        install --mode=u=rwxs,go=rx \
344
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
402
                --target-directory=$(LIBDIR)/mandos/plugins.d \
345
403
                plugins.d/usplash
346
404
        install --mode=u=rwxs,go=rx \
347
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
405
                --target-directory=$(LIBDIR)/mandos/plugins.d \
348
406
                plugins.d/splashy
349
407
        install --mode=u=rwxs,go=rx \
350
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
408
                --target-directory=$(LIBDIR)/mandos/plugins.d \
351
409
                plugins.d/askpass-fifo
352
410
        install --mode=u=rwxs,go=rx \
353
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
411
                --target-directory=$(LIBDIR)/mandos/plugins.d \
354
412
                plugins.d/plymouth
 
413
        install --mode=u=rwx,go=rx \
 
414
                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
 
415
                plugin-helpers/mandos-client-iprouteadddel
355
416
        install initramfs-tools-hook \
356
417
                $(INITRAMFSTOOLS)/hooks/mandos
357
418
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
375
436
                > $(MANDIR)/man8/askpass-fifo.8mandos.gz
376
437
        gzip --best --to-stdout plugins.d/plymouth.8mandos \
377
438
                > $(MANDIR)/man8/plymouth.8mandos.gz
 
439
        gzip --best --to-stdout intro.8mandos \
 
440
                > $(MANDIR)/man8/intro.8mandos.gz
378
441
 
379
442
install-client: install-client-nokey
380
443
# Post-installation stuff
402
465
        ! grep --regexp='^ *[^ #].*keyscript=[^,=]*/mandos/' \
403
466
                $(DESTDIR)/etc/crypttab
404
467
        -rm --force $(PREFIX)/sbin/mandos-keygen \
405
 
                $(PREFIX)/lib/mandos/plugin-runner \
406
 
                $(PREFIX)/lib/mandos/plugins.d/password-prompt \
407
 
                $(PREFIX)/lib/mandos/plugins.d/mandos-client \
408
 
                $(PREFIX)/lib/mandos/plugins.d/usplash \
409
 
                $(PREFIX)/lib/mandos/plugins.d/splashy \
410
 
                $(PREFIX)/lib/mandos/plugins.d/askpass-fifo \
411
 
                $(PREFIX)/lib/mandos/plugins.d/plymouth \
 
468
                $(LIBDIR)/mandos/plugin-runner \
 
469
                $(LIBDIR)/mandos/plugins.d/password-prompt \
 
470
                $(LIBDIR)/mandos/plugins.d/mandos-client \
 
471
                $(LIBDIR)/mandos/plugins.d/usplash \
 
472
                $(LIBDIR)/mandos/plugins.d/splashy \
 
473
                $(LIBDIR)/mandos/plugins.d/askpass-fifo \
 
474
                $(LIBDIR)/mandos/plugins.d/plymouth \
412
475
                $(INITRAMFSTOOLS)/hooks/mandos \
413
476
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos \
414
477
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos \
420
483
                $(MANDIR)/man8/splashy.8mandos.gz \
421
484
                $(MANDIR)/man8/askpass-fifo.8mandos.gz \
422
485
                $(MANDIR)/man8/plymouth.8mandos.gz \
423
 
        -rmdir $(PREFIX)/lib/mandos/plugins.d $(CONFDIR)/plugins.d \
424
 
                 $(PREFIX)/lib/mandos $(CONFDIR) $(KEYDIR)
 
486
        -rmdir $(LIBDIR)/mandos/plugins.d $(CONFDIR)/plugins.d \
 
487
                 $(LIBDIR)/mandos $(CONFDIR) $(KEYDIR)
425
488
        update-initramfs -k all -u
426
489
 
427
490
purge: purge-server purge-client
431
494
                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
432
495
                $(DESTDIR)/etc/default/mandos \
433
496
                $(DESTDIR)/etc/init.d/mandos \
 
497
                $(SYSTEMD)/mandos.service \
 
498
                $(DESTDIR)/run/mandos.pid \
434
499
                $(DESTDIR)/var/run/mandos.pid
435
500
        -rmdir $(CONFDIR)
436
501