/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2019-07-07 20:50:21 UTC
  • Revision ID: teddy@recompile.se-20190707205021-t1yscpsoobk2v29f
plugin-runner.c: Use a statement attribute only for GCC 7 or later.

* plugin-runner.c (main/parse_opt): Use __attribute__((fallthrough))
                                    only on GCC 7 or later; otherwise
                                    use the old comment syntax.

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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
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
 
13
#DEBUG:=-ggdb3 -fsanitize=address 
14
14
# For info about _FORTIFY_SOURCE, see feature_test_macros(7)
15
 
# and <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
16
 
FORTIFY=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIC
17
 
LINK_FORTIFY_LD=-z relro -z now
18
 
LINK_FORTIFY=
 
15
# and <https://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
 
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=leak -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)))
 
31
LINK_FORTIFY_LD:=-z relro -z now
 
32
LINK_FORTIFY:=
19
33
 
20
34
# If BROKEN_PIE is set, do not build with -pie
21
35
ifndef BROKEN_PIE
23
37
LINK_FORTIFY += -pie
24
38
endif
25
39
#COVERAGE=--coverage
26
 
OPTIMIZE=-Os -fno-strict-aliasing
27
 
LANGUAGE=-std=gnu99
28
 
htmldir=man
29
 
version=1.6.9
30
 
SED=sed
 
40
OPTIMIZE:=-Os -fno-strict-aliasing
 
41
LANGUAGE:=-std=gnu11
 
42
htmldir:=man
 
43
version:=1.8.4
 
44
SED:=sed
31
45
 
32
 
USER=$(firstword $(subst :, ,$(shell getent passwd _mandos || getent passwd nobody || echo 65534)))
33
 
GROUP=$(firstword $(subst :, ,$(shell getent group _mandos || getent group nobody || 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)))
34
48
 
35
49
## Use these settings for a traditional /usr/local install
36
 
# PREFIX=$(DESTDIR)/usr/local
37
 
# CONFDIR=$(DESTDIR)/etc/mandos
38
 
# KEYDIR=$(DESTDIR)/etc/mandos/keys
39
 
# MANDIR=$(PREFIX)/man
40
 
# INITRAMFSTOOLS=$(DESTDIR)/etc/initramfs-tools
41
 
# STATEDIR=$(DESTDIR)/var/lib/mandos
42
 
# 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
43
57
##
44
58
 
45
59
## These settings are for a package-type install
46
 
PREFIX=$(DESTDIR)/usr
47
 
CONFDIR=$(DESTDIR)/etc/mandos
48
 
KEYDIR=$(DESTDIR)/etc/keys/mandos
49
 
MANDIR=$(PREFIX)/share/man
50
 
INITRAMFSTOOLS=$(DESTDIR)/usr/share/initramfs-tools
51
 
STATEDIR=$(DESTDIR)/var/lib/mandos
52
 
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 \
53
67
        for d in \
54
68
        "/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
55
69
        "`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/lib; do \
60
74
        done)
61
75
##
62
76
 
63
 
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
 
77
SYSTEMD:=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
 
78
TMPFILES:=$(DESTDIR)$(shell pkg-config systemd --variable=tmpfilesdir)
64
79
 
65
 
GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
66
 
GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
67
 
AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
68
 
AVAHI_LIBS=$(shell pkg-config --libs avahi-core)
69
 
GPGME_CFLAGS=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
70
 
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; \
71
86
        getconf LFS_LDFLAGS)
72
 
LIBNL3_CFLAGS=$(shell pkg-config --cflags-only-I libnl-route-3.0)
73
 
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)
74
89
 
75
90
# Do not change these two
76
 
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
77
 
        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
78
 
        -DVERSION='"$(version)"'
 
91
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(SANITIZE) $(COVERAGE) \
 
92
        $(OPTIMIZE) $(LANGUAGE) -DVERSION='"$(version)"'
79
93
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
80
94
 
81
95
# Commands to format a DocBook <refentry> document into a manual page
102
116
        /usr/share/xml/docbook/stylesheet/nwalsh/xhtml/docbook.xsl \
103
117
        $<; $(HTMLPOST) $@)
104
118
# Fix citerefentry links
105
 
HTMLPOST=$(SED) --in-place \
 
119
HTMLPOST:=$(SED) --in-place \
106
120
        --expression='s/\(<a class="citerefentry" href="\)\("><span class="citerefentry"><span class="refentrytitle">\)\([^<]*\)\(<\/span>(\)\([^)]*\)\()<\/span><\/a>\)/\1\3.\5\2\3\4\5\6/g'
107
121
 
108
 
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
 
122
PLUGINS:=plugins.d/password-prompt plugins.d/mandos-client \
109
123
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
110
124
        plugins.d/plymouth
111
 
PLUGIN_HELPERS=plugin-helpers/mandos-client-iprouteadddel
112
 
CPROGS=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
113
 
PROGS=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
114
 
DOCS=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
 
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 \
115
129
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
116
130
        plugins.d/mandos-client.8mandos \
117
131
        plugins.d/password-prompt.8mandos plugins.d/usplash.8mandos \
118
132
        plugins.d/splashy.8mandos plugins.d/askpass-fifo.8mandos \
119
133
        plugins.d/plymouth.8mandos intro.8mandos
120
134
 
121
 
htmldocs=$(addsuffix .xhtml,$(DOCS))
 
135
htmldocs:=$(addsuffix .xhtml,$(DOCS))
122
136
 
123
 
objects=$(addsuffix .o,$(CPROGS))
 
137
objects:=$(addsuffix .o,$(CPROGS))
124
138
 
125
139
all: $(PROGS) mandos.lsm
126
140
 
238
252
                --expression='s/\(mandos_\)[0-9.]\+\(\.orig\.tar\.gz\)/\1$(version)\2/' \
239
253
                $@)
240
254
 
 
255
# Need to add the GnuTLS, Avahi and GPGME libraries, and can't use
 
256
# -fsanitize=leak because GnuTLS and GPGME both leak memory.
241
257
plugins.d/mandos-client: plugins.d/mandos-client.c
242
 
        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
 
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\
243
262
                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
244
263
 
245
264
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
265
284
        ./mandos-ctl --check
266
285
 
267
286
# Run the client with a local config and key
268
 
run-client: all keydir/seckey.txt keydir/pubkey.txt
 
287
run-client: all keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem
269
288
        @echo "###################################################################"
270
289
        @echo "# The following error messages are harmless and can be safely     #"
271
 
        @echo "# ignored.  The messages are caused by not running as root, but   #"
272
 
        @echo "# you should NOT run \"make run-client\" as root unless you also    #"
273
 
        @echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
 
290
        @echo "# ignored:                                                        #"
274
291
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
275
292
        @echo "#                     setuid: Operation not permitted             #"
276
293
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
277
294
        @echo "# From mandos-client:                                             #"
278
295
        @echo "#             Failed to raise privileges: Operation not permitted #"
279
296
        @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.)        #"
280
301
        @echo "###################################################################"
281
302
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
282
303
        ./plugin-runner --plugin-dir=plugins.d \
283
304
                --plugin-helper-dir=plugin-helpers \
284
305
                --config-file=plugin-runner.conf \
285
 
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
 
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 \
286
307
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
287
308
                $(CLIENTARGS)
288
309
 
289
310
# Used by run-client
290
 
keydir/seckey.txt keydir/pubkey.txt: mandos-keygen
 
311
keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem: mandos-keygen
291
312
        install --directory keydir
292
313
        ./mandos-keygen --dir keydir --force
293
314
 
300
321
confdir/mandos.conf: mandos.conf
301
322
        install --directory confdir
302
323
        install --mode=u=rw,go=r $^ $@
303
 
confdir/clients.conf: clients.conf keydir/seckey.txt
 
324
confdir/clients.conf: clients.conf keydir/seckey.txt keydir/tls-pubkey.pem
304
325
        install --directory confdir
305
326
        install --mode=u=rw $< $@
306
327
# Add a client password
323
344
        elif install --directory --mode=u=rwx $(STATEDIR); then \
324
345
                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
325
346
        fi
 
347
        if [ "$(TMPFILES)" != "$(DESTDIR)" -a -d "$(TMPFILES)" ]; then \
 
348
                install --mode=u=rw,go=r tmpfiles.d-mandos.conf \
 
349
                        $(TMPFILES)/mandos.conf; \
 
350
        fi
326
351
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
327
352
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
328
353
                mandos-ctl
360
385
install-client-nokey: all doc
361
386
        install --directory $(LIBDIR)/mandos $(CONFDIR)
362
387
        install --directory --mode=u=rwx $(KEYDIR) \
363
 
                $(LIBDIR)/mandos/plugins.d
 
388
                $(LIBDIR)/mandos/plugins.d \
 
389
                $(LIBDIR)/mandos/plugin-helpers
364
390
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
365
391
                install --mode=u=rwx \
366
 
                        --directory "$(CONFDIR)/plugins.d"; \
367
 
                install --directory "$(CONFDIR)/plugin-helpers"; \
 
392
                        --directory "$(CONFDIR)/plugins.d" \
 
393
                        "$(CONFDIR)/plugin-helpers"; \
368
394
        fi
369
395
        install --mode=u=rwx,go=rx --directory \
370
396
                "$(CONFDIR)/network-hooks.d"
371
397
        install --mode=u=rwx,go=rx \
372
398
                --target-directory=$(LIBDIR)/mandos plugin-runner
 
399
        install --mode=u=rwx,go=rx \
 
400
                --target-directory=$(LIBDIR)/mandos mandos-to-cryptroot-unlock
373
401
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
374
402
                mandos-keygen
375
403
        install --mode=u=rwx,go=rx \
390
418
        install --mode=u=rwxs,go=rx \
391
419
                --target-directory=$(LIBDIR)/mandos/plugins.d \
392
420
                plugins.d/plymouth
 
421
        install --mode=u=rwx,go=rx \
 
422
                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
 
423
                plugin-helpers/mandos-client-iprouteadddel
393
424
        install initramfs-tools-hook \
394
425
                $(INITRAMFSTOOLS)/hooks/mandos
395
 
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
396
 
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos
 
426
        install --mode=u=rw,go=r initramfs-tools-conf \
 
427
                $(INITRAMFSTOOLS)/conf.d/mandos-conf
 
428
        install --mode=u=rw,go=r initramfs-tools-conf-hook \
 
429
                $(INITRAMFSTOOLS)/conf-hooks.d/zz-mandos
397
430
        install initramfs-tools-script \
398
431
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos
 
432
        install initramfs-tools-script-stop \
 
433
                $(INITRAMFSTOOLS)/scripts/local-premount/mandos
399
434
        install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
400
435
        gzip --best --to-stdout mandos-keygen.8 \
401
436
                > $(MANDIR)/man8/mandos-keygen.8.gz
475
510
        -rmdir $(CONFDIR)
476
511
 
477
512
purge-client: uninstall-client
478
 
        -shred --remove $(KEYDIR)/seckey.txt
 
513
        -shred --remove $(KEYDIR)/seckey.txt $(KEYDIR)/tls-privkey.pem
479
514
        -rm --force $(CONFDIR)/plugin-runner.conf \
480
 
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt
 
515
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt \
 
516
                $(KEYDIR)/tls-pubkey.txt $(KEYDIR)/tls-privkey.txt
481
517
        -rmdir $(KEYDIR) $(CONFDIR)/plugins.d $(CONFDIR)