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  • Committer: Teddy Hogeborn
  • Date: 2016-06-03 17:27:03 UTC
  • mto: (237.7.594 trunk)
  • mto: This revision was merged to the branch mainline in revision 343.
  • 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=1.3.1
 
43
version=1.7.7
27
44
SED=sed
28
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)))
 
48
 
29
49
## Use these settings for a traditional /usr/local install
30
50
# PREFIX=$(DESTDIR)/usr/local
31
51
# CONFDIR=$(DESTDIR)/etc/mandos
32
52
# KEYDIR=$(DESTDIR)/etc/mandos/keys
33
53
# MANDIR=$(PREFIX)/man
34
54
# INITRAMFSTOOLS=$(DESTDIR)/etc/initramfs-tools
 
55
# STATEDIR=$(DESTDIR)/var/lib/mandos
 
56
# LIBDIR=$(PREFIX)/lib
35
57
##
36
58
 
37
59
## These settings are for a package-type install
40
62
KEYDIR=$(DESTDIR)/etc/keys/mandos
41
63
MANDIR=$(PREFIX)/share/man
42
64
INITRAMFSTOOLS=$(DESTDIR)/usr/share/initramfs-tools
 
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)
43
75
##
44
76
 
 
77
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
 
78
TMPFILES=$(DESTDIR)$(shell pkg-config systemd --variable=tmpfilesdir)
 
79
 
45
80
GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
46
81
GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
47
82
AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
49
84
GPGME_CFLAGS=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
50
85
GPGME_LIBS=$(shell gpgme-config --libs; getconf LFS_LIBS; \
51
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)
52
89
 
53
90
# Do not change these two
54
 
CFLAGS=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
55
 
        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
56
 
        -DVERSION='"$(version)"'
57
 
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))
58
95
 
59
96
# Commands to format a DocBook <refentry> document into a manual page
60
97
DOCBOOKTOMAN=$(strip cd $(dir $<); xsltproc --nonet --xinclude \
63
100
        --param make.single.year.ranges         1 \
64
101
        --param man.output.quietly              1 \
65
102
        --param man.authors.section.enabled     0 \
66
 
         /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
 
103
        /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
67
104
        $(notdir $<); \
68
 
        $(MANPOST) $(notdir $@))
69
 
# DocBook-to-man post-processing to fix a '\n' escape bug
70
 
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)
71
109
 
72
110
DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
73
111
        --param make.year.ranges                1 \
85
123
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
86
124
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
87
125
        plugins.d/plymouth
88
 
CPROGS=plugin-runner $(PLUGINS)
 
126
PLUGIN_HELPERS=plugin-helpers/mandos-client-iprouteadddel
 
127
CPROGS=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
89
128
PROGS=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
90
129
DOCS=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
91
130
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
218
257
        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
219
258
                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
220
259
 
221
 
.PHONY : all doc html clean distclean run-client run-server install \
222
 
        install-server install-client uninstall uninstall-server \
223
 
        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
224
269
 
225
270
clean:
226
271
        -rm --force $(CPROGS) $(objects) $(htmldocs) $(DOCS) core
228
273
distclean: clean
229
274
mostlyclean: clean
230
275
maintainer-clean: clean
231
 
        -rm --force --recursive keydir confdir
 
276
        -rm --force --recursive keydir confdir statedir
232
277
 
233
278
check:  all
234
279
        ./mandos --check
 
280
        ./mandos-ctl --check
235
281
 
236
282
# Run the client with a local config and key
237
283
run-client: all keydir/seckey.txt keydir/pubkey.txt
240
286
        @echo "# ignored.  The messages are caused by not running as root, but   #"
241
287
        @echo "# you should NOT run \"make run-client\" as root unless you also    #"
242
288
        @echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
243
 
        @echo "# From plugin-runner: setuid: Operation not permitted             #"
 
289
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
 
290
        @echo "#                     setuid: Operation not permitted             #"
244
291
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
245
 
        @echo "# From mandos-client: setuid: Operation not permitted             #"
246
 
        @echo "#                     seteuid: Operation not permitted            #"
247
 
        @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 *      #"
248
295
        @echo "###################################################################"
 
296
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
249
297
        ./plugin-runner --plugin-dir=plugins.d \
 
298
                --plugin-helper-dir=plugin-helpers \
250
299
                --config-file=plugin-runner.conf \
251
 
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt \
 
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= \
252
302
                $(CLIENTARGS)
253
303
 
254
304
# Used by run-client
257
307
        ./mandos-keygen --dir keydir --force
258
308
 
259
309
# Run the server with a local config
260
 
run-server: confdir/mandos.conf confdir/clients.conf
261
 
        @echo "#################################################################"
262
 
        @echo "# NOTE: Please IGNORE the error about \"Could not open file      #"
263
 
        @echo "# u'/var/run/mandos.pid'\" -  it is harmless and is caused by    #"
264
 
        @echo "# the server not running as root.  Do NOT run \"make run-server\" #"
265
 
        @echo "# server as root if you didn't also unpack and compile it thus. #"
266
 
        @echo "#################################################################"
267
 
        ./mandos --debug --no-dbus --configdir=confdir $(SERVERARGS)
 
310
run-server: confdir/mandos.conf confdir/clients.conf statedir
 
311
        ./mandos --debug --no-dbus --configdir=confdir \
 
312
                --statedir=statedir $(SERVERARGS)
268
313
 
269
314
# Used by run-server
270
315
confdir/mandos.conf: mandos.conf
274
319
        install --directory confdir
275
320
        install --mode=u=rw $< $@
276
321
# Add a client password
277
 
        ./mandos-keygen --dir keydir --password >> $@
 
322
        ./mandos-keygen --dir keydir --password --no-ssh >> $@
 
323
statedir:
 
324
        install --directory statedir
278
325
 
279
326
install: install-server install-client-nokey
280
327
 
285
332
 
286
333
install-server: doc
287
334
        install --directory $(CONFDIR)
 
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
288
345
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
289
346
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
290
347
                mandos-ctl
298
355
                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
299
356
        install --mode=u=rwx,go=rx init.d-mandos \
300
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
301
361
        install --mode=u=rw,go=r default-mandos \
302
362
                $(DESTDIR)/etc/default/mandos
303
363
        if [ -z $(DESTDIR) ]; then \
313
373
                > $(MANDIR)/man5/mandos.conf.5.gz
314
374
        gzip --best --to-stdout mandos-clients.conf.5 \
315
375
                > $(MANDIR)/man5/mandos-clients.conf.5.gz
 
376
        gzip --best --to-stdout intro.8mandos \
 
377
                > $(MANDIR)/man8/intro.8mandos.gz
316
378
 
317
379
install-client-nokey: all doc
318
 
        install --directory $(PREFIX)/lib/mandos $(CONFDIR)
 
380
        install --directory $(LIBDIR)/mandos $(CONFDIR)
319
381
        install --directory --mode=u=rwx $(KEYDIR) \
320
 
                $(PREFIX)/lib/mandos/plugins.d
321
 
        if [ "$(CONFDIR)" != "$(PREFIX)/lib/mandos" ]; then \
 
382
                $(LIBDIR)/mandos/plugins.d \
 
383
                $(LIBDIR)/mandos/plugin-helpers
 
384
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
322
385
                install --mode=u=rwx \
323
 
                        --directory "$(CONFDIR)/plugins.d"; \
 
386
                        --directory "$(CONFDIR)/plugins.d" \
 
387
                        "$(CONFDIR)/plugin-helpers"; \
324
388
        fi
 
389
        install --mode=u=rwx,go=rx --directory \
 
390
                "$(CONFDIR)/network-hooks.d"
325
391
        install --mode=u=rwx,go=rx \
326
 
                --target-directory=$(PREFIX)/lib/mandos plugin-runner
 
392
                --target-directory=$(LIBDIR)/mandos plugin-runner
327
393
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
328
394
                mandos-keygen
329
395
        install --mode=u=rwx,go=rx \
330
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
396
                --target-directory=$(LIBDIR)/mandos/plugins.d \
331
397
                plugins.d/password-prompt
332
398
        install --mode=u=rwxs,go=rx \
333
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
399
                --target-directory=$(LIBDIR)/mandos/plugins.d \
334
400
                plugins.d/mandos-client
335
401
        install --mode=u=rwxs,go=rx \
336
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
402
                --target-directory=$(LIBDIR)/mandos/plugins.d \
337
403
                plugins.d/usplash
338
404
        install --mode=u=rwxs,go=rx \
339
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
405
                --target-directory=$(LIBDIR)/mandos/plugins.d \
340
406
                plugins.d/splashy
341
407
        install --mode=u=rwxs,go=rx \
342
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
408
                --target-directory=$(LIBDIR)/mandos/plugins.d \
343
409
                plugins.d/askpass-fifo
344
410
        install --mode=u=rwxs,go=rx \
345
 
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
 
411
                --target-directory=$(LIBDIR)/mandos/plugins.d \
346
412
                plugins.d/plymouth
 
413
        install --mode=u=rwx,go=rx \
 
414
                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
 
415
                plugin-helpers/mandos-client-iprouteadddel
347
416
        install initramfs-tools-hook \
348
417
                $(INITRAMFSTOOLS)/hooks/mandos
349
418
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
367
436
                > $(MANDIR)/man8/askpass-fifo.8mandos.gz
368
437
        gzip --best --to-stdout plugins.d/plymouth.8mandos \
369
438
                > $(MANDIR)/man8/plymouth.8mandos.gz
 
439
        gzip --best --to-stdout intro.8mandos \
 
440
                > $(MANDIR)/man8/intro.8mandos.gz
370
441
 
371
442
install-client: install-client-nokey
372
443
# Post-installation stuff
394
465
        ! grep --regexp='^ *[^ #].*keyscript=[^,=]*/mandos/' \
395
466
                $(DESTDIR)/etc/crypttab
396
467
        -rm --force $(PREFIX)/sbin/mandos-keygen \
397
 
                $(PREFIX)/lib/mandos/plugin-runner \
398
 
                $(PREFIX)/lib/mandos/plugins.d/password-prompt \
399
 
                $(PREFIX)/lib/mandos/plugins.d/mandos-client \
400
 
                $(PREFIX)/lib/mandos/plugins.d/usplash \
401
 
                $(PREFIX)/lib/mandos/plugins.d/splashy \
402
 
                $(PREFIX)/lib/mandos/plugins.d/askpass-fifo \
403
 
                $(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 \
404
475
                $(INITRAMFSTOOLS)/hooks/mandos \
405
476
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos \
406
477
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos \
412
483
                $(MANDIR)/man8/splashy.8mandos.gz \
413
484
                $(MANDIR)/man8/askpass-fifo.8mandos.gz \
414
485
                $(MANDIR)/man8/plymouth.8mandos.gz \
415
 
        -rmdir $(PREFIX)/lib/mandos/plugins.d $(CONFDIR)/plugins.d \
416
 
                 $(PREFIX)/lib/mandos $(CONFDIR) $(KEYDIR)
 
486
        -rmdir $(LIBDIR)/mandos/plugins.d $(CONFDIR)/plugins.d \
 
487
                 $(LIBDIR)/mandos $(CONFDIR) $(KEYDIR)
417
488
        update-initramfs -k all -u
418
489
 
419
490
purge: purge-server purge-client
423
494
                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
424
495
                $(DESTDIR)/etc/default/mandos \
425
496
                $(DESTDIR)/etc/init.d/mandos \
 
497
                $(SYSTEMD)/mandos.service \
 
498
                $(DESTDIR)/run/mandos.pid \
426
499
                $(DESTDIR)/var/run/mandos.pid
427
500
        -rmdir $(CONFDIR)
428
501