/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2016-03-05 20:11:10 UTC
  • Revision ID: teddy@recompile.se-20160305201110-6f7nws77k1h96e8k
errno is of type int, not error_t

* plugins.d/mandos-client.c (raise_privileges,
  raise_privileges_permanently, lower_privileges,
  lower_privileges_permanently, bring_up_interface,
  take_down_interface, ): Change return type and all errno-containing
  variables to type "int".
  (get_flags): Change all errno-containing variables to type "int".
  (main): Change all errno-containing variables to type "int", except
          for values which are explicitly of type error_t.

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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)))
 
13
#DEBUG=-ggdb3
 
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
19
17
# <https://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/>
20
 
ALL_SANITIZE_OPTIONS:=-fsanitize=leak -fsanitize=undefined \
 
18
ALL_SANITIZE_OPTIONS:=-fsanitize=address -fsanitize=undefined \
21
19
        -fsanitize=shift -fsanitize=integer-divide-by-zero \
22
20
        -fsanitize=unreachable -fsanitize=vla-bound -fsanitize=null \
23
21
        -fsanitize=return -fsanitize=signed-integer-overflow \
25
23
        -fsanitize=object-size -fsanitize=float-divide-by-zero \
26
24
        -fsanitize=float-cast-overflow -fsanitize=nonnull-attribute \
27
25
        -fsanitize=returns-nonnull-attribute -fsanitize=bool \
28
 
        -fsanitize=enum -fsanitize-address-use-after-scope
29
 
 
30
 
# 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:=
 
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=
35
33
 
36
34
# If BROKEN_PIE is set, do not build with -pie
37
35
ifndef BROKEN_PIE
39
37
LINK_FORTIFY += -pie
40
38
endif
41
39
#COVERAGE=--coverage
42
 
OPTIMIZE:=-Os -fno-strict-aliasing
43
 
LANGUAGE:=-std=gnu11
44
 
htmldir:=man
45
 
version:=1.8.4
46
 
SED:=sed
 
40
OPTIMIZE=-Os -fno-strict-aliasing
 
41
LANGUAGE=-std=gnu11
 
42
htmldir=man
 
43
version=1.7.3
 
44
SED=sed
47
45
 
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)))
 
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)))
52
48
 
53
49
## 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
 
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
61
57
##
62
58
 
63
59
## 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 \
 
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 \
71
67
        for d in \
72
68
        "/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
73
69
        "`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/lib; do \
78
74
        done)
79
75
##
80
76
 
81
 
SYSTEMD:=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
82
 
TMPFILES:=$(DESTDIR)$(shell pkg-config systemd --variable=tmpfilesdir)
 
77
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
83
78
 
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; \
 
79
GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
 
80
GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
 
81
AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
 
82
AVAHI_LIBS=$(shell pkg-config --libs avahi-core)
 
83
GPGME_CFLAGS=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
 
84
GPGME_LIBS=$(shell gpgme-config --libs; getconf LFS_LIBS; \
90
85
        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)
 
86
LIBNL3_CFLAGS=$(shell pkg-config --cflags-only-I libnl-route-3.0)
 
87
LIBNL3_LIBS=$(shell pkg-config --libs libnl-route-3.0)
93
88
 
94
89
# 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))
 
90
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(SANITIZE) $(COVERAGE) \
 
91
        $(OPTIMIZE) $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) \
 
92
        $(GPGME_CFLAGS) -DVERSION='"$(version)"'
 
93
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
99
94
 
100
95
# Commands to format a DocBook <refentry> document into a manual page
101
96
DOCBOOKTOMAN=$(strip cd $(dir $<); xsltproc --nonet --xinclude \
107
102
        /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
108
103
        $(notdir $<); \
109
104
        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)
 
105
        && type man 2>/dev/null; then LANG=en_US.UTF-8 MANWIDTH=80 \
 
106
        man --warnings --encoding=UTF-8 --local-file $(notdir $@); \
 
107
        fi >/dev/null)
113
108
 
114
109
DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
115
110
        --param make.year.ranges                1 \
121
116
        /usr/share/xml/docbook/stylesheet/nwalsh/xhtml/docbook.xsl \
122
117
        $<; $(HTMLPOST) $@)
123
118
# Fix citerefentry links
124
 
HTMLPOST:=$(SED) --in-place \
 
119
HTMLPOST=$(SED) --in-place \
125
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'
126
121
 
127
 
PLUGINS:=plugins.d/password-prompt plugins.d/mandos-client \
 
122
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
128
123
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
129
124
        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 \
 
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 \
134
129
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
135
130
        plugins.d/mandos-client.8mandos \
136
131
        plugins.d/password-prompt.8mandos plugins.d/usplash.8mandos \
137
132
        plugins.d/splashy.8mandos plugins.d/askpass-fifo.8mandos \
138
133
        plugins.d/plymouth.8mandos intro.8mandos
139
134
 
140
 
htmldocs:=$(addsuffix .xhtml,$(DOCS))
 
135
htmldocs=$(addsuffix .xhtml,$(DOCS))
141
136
 
142
 
objects:=$(addsuffix .o,$(CPROGS))
 
137
objects=$(addsuffix .o,$(CPROGS))
143
138
 
144
139
all: $(PROGS) mandos.lsm
145
140
 
257
252
                --expression='s/\(mandos_\)[0-9.]\+\(\.orig\.tar\.gz\)/\1$(version)\2/' \
258
253
                $@)
259
254
 
260
 
# Need to add the GnuTLS, Avahi and GPGME libraries
261
255
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 $@
 
256
        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
 
257
                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
266
258
 
267
 
# Need to add the libnl-route library
268
259
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
269
260
        $(LINK.c) $(LIBNL3_CFLAGS) $^ $(LIBNL3_LIBS) $(strip\
270
261
                ) $(LOADLIBES) $(LDLIBS) -o $@
283
274
maintainer-clean: clean
284
275
        -rm --force --recursive keydir confdir statedir
285
276
 
286
 
check: all
 
277
check:  all
287
278
        ./mandos --check
288
279
        ./mandos-ctl --check
289
 
        ./mandos-keygen --version
290
 
        ./plugin-runner --version
291
 
        ./plugin-helpers/mandos-client-iprouteadddel --version
292
280
 
293
281
# 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
 
282
run-client: all keydir/seckey.txt keydir/pubkey.txt
295
283
        @echo "###################################################################"
296
284
        @echo "# The following error messages are harmless and can be safely     #"
297
 
        @echo "# ignored:                                                        #"
 
285
        @echo "# ignored.  The messages are caused by not running as root, but   #"
 
286
        @echo "# you should NOT run \"make run-client\" as root unless you also    #"
 
287
        @echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
298
288
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
299
289
        @echo "#                     setuid: Operation not permitted             #"
300
290
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
301
291
        @echo "# From mandos-client:                                             #"
302
292
        @echo "#             Failed to raise privileges: Operation not permitted #"
303
293
        @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
294
        @echo "###################################################################"
309
295
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
310
296
        ./plugin-runner --plugin-dir=plugins.d \
311
297
                --plugin-helper-dir=plugin-helpers \
312
298
                --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 \
 
299
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
314
300
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
315
301
                $(CLIENTARGS)
316
302
 
317
303
# Used by run-client
318
 
keydir/seckey.txt keydir/pubkey.txt keydir/tls-privkey.pem keydir/tls-pubkey.pem: mandos-keygen
 
304
keydir/seckey.txt keydir/pubkey.txt: mandos-keygen
319
305
        install --directory keydir
320
306
        ./mandos-keygen --dir keydir --force
321
307
 
328
314
confdir/mandos.conf: mandos.conf
329
315
        install --directory confdir
330
316
        install --mode=u=rw,go=r $^ $@
331
 
confdir/clients.conf: clients.conf keydir/seckey.txt keydir/tls-pubkey.pem
 
317
confdir/clients.conf: clients.conf keydir/seckey.txt
332
318
        install --directory confdir
333
319
        install --mode=u=rw $< $@
334
320
# Add a client password
351
337
        elif install --directory --mode=u=rwx $(STATEDIR); then \
352
338
                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
353
339
        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
340
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
359
341
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
360
342
                mandos-ctl
396
378
                $(LIBDIR)/mandos/plugin-helpers
397
379
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
398
380
                install --mode=u=rwx \
399
 
                        --directory "$(CONFDIR)/plugins.d" \
400
 
                        "$(CONFDIR)/plugin-helpers"; \
 
381
                        --directory "$(CONFDIR)/plugins.d"; \
 
382
                install --directory "$(CONFDIR)/plugin-helpers"; \
401
383
        fi
402
384
        install --mode=u=rwx,go=rx --directory \
403
385
                "$(CONFDIR)/network-hooks.d"
404
386
        install --mode=u=rwx,go=rx \
405
387
                --target-directory=$(LIBDIR)/mandos plugin-runner
406
 
        install --mode=u=rwx,go=rx \
407
 
                --target-directory=$(LIBDIR)/mandos mandos-to-cryptroot-unlock
408
388
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
409
389
                mandos-keygen
410
390
        install --mode=u=rwx,go=rx \
425
405
        install --mode=u=rwxs,go=rx \
426
406
                --target-directory=$(LIBDIR)/mandos/plugins.d \
427
407
                plugins.d/plymouth
428
 
        install --mode=u=rwx,go=rx \
 
408
        install --mode=u=rwxs,go=rx \
429
409
                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
430
410
                plugin-helpers/mandos-client-iprouteadddel
431
411
        install initramfs-tools-hook \
432
412
                $(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
 
413
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
 
414
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos
437
415
        install initramfs-tools-script \
438
416
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos
439
 
        install initramfs-tools-script-stop \
440
 
                $(INITRAMFSTOOLS)/scripts/local-premount/mandos
441
417
        install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
442
418
        gzip --best --to-stdout mandos-keygen.8 \
443
419
                > $(MANDIR)/man8/mandos-keygen.8.gz
517
493
        -rmdir $(CONFDIR)
518
494
 
519
495
purge-client: uninstall-client
520
 
        -shred --remove $(KEYDIR)/seckey.txt $(KEYDIR)/tls-privkey.pem
 
496
        -shred --remove $(KEYDIR)/seckey.txt
521
497
        -rm --force $(CONFDIR)/plugin-runner.conf \
522
 
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt \
523
 
                $(KEYDIR)/tls-pubkey.txt $(KEYDIR)/tls-privkey.txt
 
498
                $(KEYDIR)/pubkey.txt $(KEYDIR)/seckey.txt
524
499
        -rmdir $(KEYDIR) $(CONFDIR)/plugins.d $(CONFDIR)