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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
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 \
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
245
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
268
246
        $(LINK.c) $(LIBNL3_CFLAGS) $^ $(LIBNL3_LIBS) $(strip\
287
265
        ./mandos-ctl --check
288
266
 
289
267
# Run the client with a local config and key
290
 
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
291
269
        @echo "###################################################################"
292
270
        @echo "# The following error messages are harmless and can be safely     #"
293
 
        @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. #"
294
274
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
295
275
        @echo "#                     setuid: Operation not permitted             #"
296
276
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
297
277
        @echo "# From mandos-client:                                             #"
298
278
        @echo "#             Failed to raise privileges: Operation not permitted #"
299
279
        @echo "#             Warning: network hook \"*\" exited with status *      #"
300
 
        @echo "#                                                                 #"
301
 
        @echo "# (The messages are caused by not running as root, but you should #"
302
 
        @echo "# NOT run \"make run-client\" as root unless you also unpacked and  #"
303
 
        @echo "# compiled Mandos as root, which is also NOT recommended.)        #"
304
280
        @echo "###################################################################"
305
281
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
306
282
        ./plugin-runner --plugin-dir=plugins.d \
307
283
                --plugin-helper-dir=plugin-helpers \
308
284
                --config-file=plugin-runner.conf \
309
 
                --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 \
310
286
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
311
287
                $(CLIENTARGS)
312
288
 
313
289
# Used by run-client
314
 
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
315
291
        install --directory keydir
316
292
        ./mandos-keygen --dir keydir --force
317
293
 
324
300
confdir/mandos.conf: mandos.conf
325
301
        install --directory confdir
326
302
        install --mode=u=rw,go=r $^ $@
327
 
confdir/clients.conf: clients.conf keydir/seckey.txt keydir/tls-pubkey.pem
 
303
confdir/clients.conf: clients.conf keydir/seckey.txt
328
304
        install --directory confdir
329
305
        install --mode=u=rw $< $@
330
306
# Add a client password
347
323
        elif install --directory --mode=u=rwx $(STATEDIR); then \
348
324
                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
349
325
        fi
350
 
        if [ "$(TMPFILES)" != "$(DESTDIR)" -a -d "$(TMPFILES)" ]; then \
351
 
                install --mode=u=rw,go=r tmpfiles.d-mandos.conf \
352
 
                        $(TMPFILES)/mandos.conf; \
353
 
        fi
354
326
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
355
327
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
356
328
                mandos-ctl
392
364
                $(LIBDIR)/mandos/plugin-helpers
393
365
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
394
366
                install --mode=u=rwx \
395
 
                        --directory "$(CONFDIR)/plugins.d" \
396
 
                        "$(CONFDIR)/plugin-helpers"; \
 
367
                        --directory "$(CONFDIR)/plugins.d"; \
 
368
                install --directory "$(CONFDIR)/plugin-helpers"; \
397
369
        fi
398
370
        install --mode=u=rwx,go=rx --directory \
399
371
                "$(CONFDIR)/network-hooks.d"
400
372
        install --mode=u=rwx,go=rx \
401
373
                --target-directory=$(LIBDIR)/mandos plugin-runner
402
 
        install --mode=u=rwx,go=rx \
403
 
                --target-directory=$(LIBDIR)/mandos mandos-to-cryptroot-unlock
404
374
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
405
375
                mandos-keygen
406
376
        install --mode=u=rwx,go=rx \
421
391
        install --mode=u=rwxs,go=rx \
422
392
                --target-directory=$(LIBDIR)/mandos/plugins.d \
423
393
                plugins.d/plymouth
424
 
        install --mode=u=rwx,go=rx \
 
394
        install --mode=u=rwxs,go=rx \
425
395
                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
426
396
                plugin-helpers/mandos-client-iprouteadddel
427
397
        install initramfs-tools-hook \
428
398
                $(INITRAMFSTOOLS)/hooks/mandos
429
 
        install --mode=u=rw,go=r initramfs-tools-conf \
430
 
                $(INITRAMFSTOOLS)/conf.d/mandos-conf
431
 
        install --mode=u=rw,go=r initramfs-tools-conf-hook \
432
 
                $(INITRAMFSTOOLS)/conf-hooks.d/zz-mandos
 
399
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
 
400
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos
433
401
        install initramfs-tools-script \
434
402
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos
435
 
        install initramfs-tools-script-stop \
436
 
                $(INITRAMFSTOOLS)/scripts/local-premount/mandos
437
403
        install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
438
404
        gzip --best --to-stdout mandos-keygen.8 \
439
405
                > $(MANDIR)/man8/mandos-keygen.8.gz
513
479
        -rmdir $(CONFDIR)
514
480
 
515
481
purge-client: uninstall-client
516
 
        -shred --remove $(KEYDIR)/seckey.txt $(KEYDIR)/tls-privkey.pem
 
482
        -shred --remove $(KEYDIR)/seckey.txt
517
483
        -rm --force $(CONFDIR)/plugin-runner.conf \
518
 
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt \
519
 
                $(KEYDIR)/tls-pubkey.txt $(KEYDIR)/tls-privkey.txt
 
484
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt
520
485
        -rmdir $(KEYDIR) $(CONFDIR)/plugins.d $(CONFDIR)