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  • Committer: Teddy Hogeborn
  • Date: 2015-07-20 03:03:33 UTC
  • Revision ID: teddy@recompile.se-20150720030333-203m2aeblypcsfte
Bug fix for GnuTLS 3: be compatible with old 2048-bit DSA keys.

The mandos-keygen program in Mandos version 1.6.0 and older generated
2048-bit DSA keys, and when GnuTLS uses these it has trouble
connecting using the Mandos default priority string.  This was
previously fixed in Mandos 1.6.2, but the bug reappeared when using
GnuTLS 3, so the default priority string has to change again; this
time also the Mandos client has to change its default, so now the
server and the client should use the same default priority string:

SECURE256:!CTYPE-X.509:+CTYPE-OPENPGP:!RSA:+SIGN-DSA-SHA256

* mandos (main/server_defaults): Changed default priority string.
* mandos-options.xml (/section/para[id="priority_compat"]): Removed.
  (/section/para[id="priority"]): Changed default priority string.
* mandos.conf ([DEFAULT]/priority): - '' -
* mandos.conf.xml (OPTIONS/priority): Refer to the id "priority"
                                      instead of "priority_compat".
* mandos.xml (OPTIONS/--priority): - '' -
* plugins.d/mandos-client.c (main): Changed default priority string.

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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
10
        -Wmissing-format-attribute -Wnormalized=nfc -Wpacked \
11
11
        -Wredundant-decls -Wnested-externs -Winline -Wvla \
12
12
        -Wvolatile-register-var -Woverlength-strings
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)))
19
 
# <https://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/>
20
 
ALL_SANITIZE_OPTIONS:=-fsanitize=leak -fsanitize=undefined \
21
 
        -fsanitize=shift -fsanitize=integer-divide-by-zero \
22
 
        -fsanitize=unreachable -fsanitize=vla-bound -fsanitize=null \
23
 
        -fsanitize=return -fsanitize=signed-integer-overflow \
24
 
        -fsanitize=bounds -fsanitize=alignment \
25
 
        -fsanitize=object-size -fsanitize=float-divide-by-zero \
26
 
        -fsanitize=float-cast-overflow -fsanitize=nonnull-attribute \
27
 
        -fsanitize=returns-nonnull-attribute -fsanitize=bool \
28
 
        -fsanitize=enum -fsanitize-address-use-after-scope
29
 
 
 
13
#DEBUG=-ggdb3
30
14
# 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
33
 
LINK_FORTIFY_LD:=-z relro -z now
34
 
LINK_FORTIFY:=
 
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=
35
19
 
36
20
# If BROKEN_PIE is set, do not build with -pie
37
21
ifndef BROKEN_PIE
39
23
LINK_FORTIFY += -pie
40
24
endif
41
25
#COVERAGE=--coverage
42
 
OPTIMIZE:=-Os -fno-strict-aliasing
43
 
LANGUAGE:=-std=gnu11
44
 
htmldir:=man
45
 
version:=1.8.4
46
 
SED:=sed
 
26
OPTIMIZE=-Os -fno-strict-aliasing
 
27
LANGUAGE=-std=gnu11
 
28
htmldir=man
 
29
version=1.6.9
 
30
SED=sed
47
31
 
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)))
 
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)))
52
34
 
53
35
## Use these settings for a traditional /usr/local install
54
 
# PREFIX:=$(DESTDIR)/usr/local
55
 
# CONFDIR:=$(DESTDIR)/etc/mandos
56
 
# KEYDIR:=$(DESTDIR)/etc/mandos/keys
57
 
# MANDIR:=$(PREFIX)/man
58
 
# INITRAMFSTOOLS:=$(DESTDIR)/etc/initramfs-tools
59
 
# STATEDIR:=$(DESTDIR)/var/lib/mandos
60
 
# LIBDIR:=$(PREFIX)/lib
 
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
61
43
##
62
44
 
63
45
## These settings are for a package-type install
64
 
PREFIX:=$(DESTDIR)/usr
65
 
CONFDIR:=$(DESTDIR)/etc/mandos
66
 
KEYDIR:=$(DESTDIR)/etc/keys/mandos
67
 
MANDIR:=$(PREFIX)/share/man
68
 
INITRAMFSTOOLS:=$(DESTDIR)/usr/share/initramfs-tools
69
 
STATEDIR:=$(DESTDIR)/var/lib/mandos
70
 
LIBDIR:=$(shell \
 
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 \
71
53
        for d in \
72
54
        "/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
73
55
        "`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/lib; do \
78
60
        done)
79
61
##
80
62
 
81
 
SYSTEMD:=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
82
 
TMPFILES:=$(DESTDIR)$(shell pkg-config systemd --variable=tmpfilesdir)
 
63
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
83
64
 
84
 
GNUTLS_CFLAGS:=$(shell pkg-config --cflags-only-I gnutls)
85
 
GNUTLS_LIBS:=$(shell pkg-config --libs gnutls)
86
 
AVAHI_CFLAGS:=$(shell pkg-config --cflags-only-I avahi-core)
87
 
AVAHI_LIBS:=$(shell pkg-config --libs avahi-core)
88
 
GPGME_CFLAGS:=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
89
 
GPGME_LIBS:=$(shell gpgme-config --libs; getconf LFS_LIBS; \
 
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; \
90
71
        getconf LFS_LDFLAGS)
91
 
LIBNL3_CFLAGS:=$(shell pkg-config --cflags-only-I libnl-route-3.0)
92
 
LIBNL3_LIBS:=$(shell pkg-config --libs libnl-route-3.0)
 
72
LIBNL3_CFLAGS=$(shell pkg-config --cflags-only-I libnl-route-3.0)
 
73
LIBNL3_LIBS=$(shell pkg-config --libs libnl-route-3.0)
93
74
 
94
75
# Do not change these two
95
 
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) \
96
 
        $(OPTIMIZE) $(LANGUAGE) -DVERSION='"$(version)"'
97
 
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(strip \
98
 
        ) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
 
76
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
 
77
        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
 
78
        -DVERSION='"$(version)"'
 
79
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
99
80
 
100
81
# Commands to format a DocBook <refentry> document into a manual page
101
82
DOCBOOKTOMAN=$(strip cd $(dir $<); xsltproc --nonet --xinclude \
107
88
        /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
108
89
        $(notdir $<); \
109
90
        if locale --all 2>/dev/null | grep --regexp='^en_US\.utf8$$' \
110
 
        && command -v man >/dev/null; then LANG=en_US.UTF-8 \
111
 
        MANWIDTH=80 man --warnings --encoding=UTF-8 --local-file \
112
 
        $(notdir $@); fi >/dev/null)
 
91
        && type man 2>/dev/null; then LANG=en_US.UTF-8 MANWIDTH=80 \
 
92
        man --warnings --encoding=UTF-8 --local-file $(notdir $@); \
 
93
        fi >/dev/null)
113
94
 
114
95
DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
115
96
        --param make.year.ranges                1 \
121
102
        /usr/share/xml/docbook/stylesheet/nwalsh/xhtml/docbook.xsl \
122
103
        $<; $(HTMLPOST) $@)
123
104
# Fix citerefentry links
124
 
HTMLPOST:=$(SED) --in-place \
 
105
HTMLPOST=$(SED) --in-place \
125
106
        --expression='s/\(<a class="citerefentry" href="\)\("><span class="citerefentry"><span class="refentrytitle">\)\([^<]*\)\(<\/span>(\)\([^)]*\)\()<\/span><\/a>\)/\1\3.\5\2\3\4\5\6/g'
126
107
 
127
 
PLUGINS:=plugins.d/password-prompt plugins.d/mandos-client \
 
108
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
128
109
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
129
110
        plugins.d/plymouth
130
 
PLUGIN_HELPERS:=plugin-helpers/mandos-client-iprouteadddel
131
 
CPROGS:=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
132
 
PROGS:=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
133
 
DOCS:=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
 
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 \
134
115
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
135
116
        plugins.d/mandos-client.8mandos \
136
117
        plugins.d/password-prompt.8mandos plugins.d/usplash.8mandos \
137
118
        plugins.d/splashy.8mandos plugins.d/askpass-fifo.8mandos \
138
119
        plugins.d/plymouth.8mandos intro.8mandos
139
120
 
140
 
htmldocs:=$(addsuffix .xhtml,$(DOCS))
 
121
htmldocs=$(addsuffix .xhtml,$(DOCS))
141
122
 
142
 
objects:=$(addsuffix .o,$(CPROGS))
 
123
objects=$(addsuffix .o,$(CPROGS))
143
124
 
144
125
all: $(PROGS) mandos.lsm
145
126
 
257
238
                --expression='s/\(mandos_\)[0-9.]\+\(\.orig\.tar\.gz\)/\1$(version)\2/' \
258
239
                $@)
259
240
 
260
 
# Need to add the GnuTLS, Avahi and GPGME libraries
261
241
plugins.d/mandos-client: plugins.d/mandos-client.c
262
 
        $(LINK.c) $^ $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(strip\
263
 
                ) $(GPGME_CFLAGS) $(GNUTLS_LIBS) $(strip\
264
 
                ) $(AVAHI_LIBS) $(GPGME_LIBS) $(LOADLIBES) $(strip\
265
 
                ) $(LDLIBS) -o $@
 
242
        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
 
243
                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
266
244
 
267
 
# Need to add the libnl-route library
268
245
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
269
246
        $(LINK.c) $(LIBNL3_CFLAGS) $^ $(LIBNL3_LIBS) $(strip\
270
247
                ) $(LOADLIBES) $(LDLIBS) -o $@
283
260
maintainer-clean: clean
284
261
        -rm --force --recursive keydir confdir statedir
285
262
 
286
 
check: all
 
263
check:  all
287
264
        ./mandos --check
288
265
        ./mandos-ctl --check
289
 
        ./mandos-keygen --version
290
 
        ./plugin-runner --version
291
 
        ./plugin-helpers/mandos-client-iprouteadddel --version
292
266
 
293
267
# Run the client with a local config and key
294
 
run-client: all keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem
 
268
run-client: all keydir/seckey.txt keydir/pubkey.txt
295
269
        @echo "###################################################################"
296
270
        @echo "# The following error messages are harmless and can be safely     #"
297
 
        @echo "# ignored:                                                        #"
 
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. #"
298
274
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
299
275
        @echo "#                     setuid: Operation not permitted             #"
300
276
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
301
277
        @echo "# From mandos-client:                                             #"
302
278
        @echo "#             Failed to raise privileges: Operation not permitted #"
303
279
        @echo "#             Warning: network hook \"*\" exited with status *      #"
304
 
        @echo "#                                                                 #"
305
 
        @echo "# (The messages are caused by not running as root, but you should #"
306
 
        @echo "# NOT run \"make run-client\" as root unless you also unpacked and  #"
307
 
        @echo "# compiled Mandos as root, which is also NOT recommended.)        #"
308
280
        @echo "###################################################################"
309
281
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
310
282
        ./plugin-runner --plugin-dir=plugins.d \
311
283
                --plugin-helper-dir=plugin-helpers \
312
284
                --config-file=plugin-runner.conf \
313
 
                --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 \
 
285
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
314
286
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
315
287
                $(CLIENTARGS)
316
288
 
317
289
# Used by run-client
318
 
keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem: mandos-keygen
 
290
keydir/seckey.txt keydir/pubkey.txt: mandos-keygen
319
291
        install --directory keydir
320
292
        ./mandos-keygen --dir keydir --force
321
293
 
328
300
confdir/mandos.conf: mandos.conf
329
301
        install --directory confdir
330
302
        install --mode=u=rw,go=r $^ $@
331
 
confdir/clients.conf: clients.conf keydir/seckey.txt keydir/tls-pubkey.pem
 
303
confdir/clients.conf: clients.conf keydir/seckey.txt
332
304
        install --directory confdir
333
305
        install --mode=u=rw $< $@
334
306
# Add a client password
351
323
        elif install --directory --mode=u=rwx $(STATEDIR); then \
352
324
                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
353
325
        fi
354
 
        if [ "$(TMPFILES)" != "$(DESTDIR)" -a -d "$(TMPFILES)" ]; then \
355
 
                install --mode=u=rw,go=r tmpfiles.d-mandos.conf \
356
 
                        $(TMPFILES)/mandos.conf; \
357
 
        fi
358
326
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
359
327
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
360
328
                mandos-ctl
396
364
                $(LIBDIR)/mandos/plugin-helpers
397
365
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
398
366
                install --mode=u=rwx \
399
 
                        --directory "$(CONFDIR)/plugins.d" \
400
 
                        "$(CONFDIR)/plugin-helpers"; \
 
367
                        --directory "$(CONFDIR)/plugins.d"; \
 
368
                install --directory "$(CONFDIR)/plugin-helpers"; \
401
369
        fi
402
370
        install --mode=u=rwx,go=rx --directory \
403
371
                "$(CONFDIR)/network-hooks.d"
404
372
        install --mode=u=rwx,go=rx \
405
373
                --target-directory=$(LIBDIR)/mandos plugin-runner
406
 
        install --mode=u=rwx,go=rx \
407
 
                --target-directory=$(LIBDIR)/mandos mandos-to-cryptroot-unlock
408
374
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
409
375
                mandos-keygen
410
376
        install --mode=u=rwx,go=rx \
425
391
        install --mode=u=rwxs,go=rx \
426
392
                --target-directory=$(LIBDIR)/mandos/plugins.d \
427
393
                plugins.d/plymouth
428
 
        install --mode=u=rwx,go=rx \
 
394
        install --mode=u=rwxs,go=rx \
429
395
                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
430
396
                plugin-helpers/mandos-client-iprouteadddel
431
397
        install initramfs-tools-hook \
432
398
                $(INITRAMFSTOOLS)/hooks/mandos
433
 
        install --mode=u=rw,go=r initramfs-tools-conf \
434
 
                $(INITRAMFSTOOLS)/conf.d/mandos-conf
435
 
        install --mode=u=rw,go=r initramfs-tools-conf-hook \
436
 
                $(INITRAMFSTOOLS)/conf-hooks.d/zz-mandos
 
399
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
 
400
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos
437
401
        install initramfs-tools-script \
438
402
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos
439
 
        install initramfs-tools-script-stop \
440
 
                $(INITRAMFSTOOLS)/scripts/local-premount/mandos
441
403
        install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
442
404
        gzip --best --to-stdout mandos-keygen.8 \
443
405
                > $(MANDIR)/man8/mandos-keygen.8.gz
517
479
        -rmdir $(CONFDIR)
518
480
 
519
481
purge-client: uninstall-client
520
 
        -shred --remove $(KEYDIR)/seckey.txt $(KEYDIR)/tls-privkey.pem
 
482
        -shred --remove $(KEYDIR)/seckey.txt
521
483
        -rm --force $(CONFDIR)/plugin-runner.conf \
522
 
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt \
523
 
                $(KEYDIR)/tls-pubkey.txt $(KEYDIR)/tls-privkey.txt
 
484
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt
524
485
        -rmdir $(KEYDIR) $(CONFDIR)/plugins.d $(CONFDIR)