/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2012-06-09 23:41:07 UTC
  • mto: This revision was merged to the branch mainline in revision 596.
  • Revision ID: teddy@recompile.se-20120609234107-vm6zilzz0y6aihsm
* plugins.d/mandos-client.c (raise_privileges,
  raise_privileges_permanently, lower_privileges): Return error_t and
                                                   save old errno
                                                   before calling any
                                                   other function.

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Lines of Context:
Makefile
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 \
 
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 \
6
4
        -Wunsafe-loop-optimizations -Wpointer-arith \
7
5
        -Wbad-function-cast -Wcast-qual -Wcast-align -Wwrite-strings \
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
 
6
        -Wconversion -Wstrict-prototypes -Wold-style-definition \
 
7
        -Wpacked -Wnested-externs -Winline -Wvolatile-register-var
 
8
#       -Wunreachable-code
13
9
#DEBUG=-ggdb3
14
 
# For info about _FORTIFY_SOURCE, see feature_test_macros(7)
 
10
# For info about _FORTIFY_SOURCE, see
 
11
# <http://www.kernel.org/doc/man-pages/online/pages/man7/feature_test_macros.7.html>
15
12
# and <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
16
13
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)))
31
14
LINK_FORTIFY_LD=-z relro -z now
32
15
LINK_FORTIFY=
33
16
 
37
20
LINK_FORTIFY += -pie
38
21
endif
39
22
#COVERAGE=--coverage
40
 
OPTIMIZE=-Os -fno-strict-aliasing
41
 
LANGUAGE=-std=gnu11
 
23
OPTIMIZE=-Os
 
24
LANGUAGE=-std=gnu99
42
25
htmldir=man
43
 
version=1.7.4
 
26
version=1.5.5
44
27
SED=sed
45
28
 
46
29
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)))
 
30
GROUP=$(firstword $(subst :, ,$(shell getent group _mandos || getent group nobody || echo 65534)))
48
31
 
49
32
## Use these settings for a traditional /usr/local install
50
33
# PREFIX=$(DESTDIR)/usr/local
53
36
# MANDIR=$(PREFIX)/man
54
37
# INITRAMFSTOOLS=$(DESTDIR)/etc/initramfs-tools
55
38
# STATEDIR=$(DESTDIR)/var/lib/mandos
56
 
# LIBDIR=$(PREFIX)/lib
57
39
##
58
40
 
59
41
## These settings are for a package-type install
63
45
MANDIR=$(PREFIX)/share/man
64
46
INITRAMFSTOOLS=$(DESTDIR)/usr/share/initramfs-tools
65
47
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)
75
48
##
76
49
 
77
 
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
78
 
 
79
50
GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
80
51
GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
81
52
AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
83
54
GPGME_CFLAGS=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
84
55
GPGME_LIBS=$(shell gpgme-config --libs; getconf LFS_LIBS; \
85
56
        getconf LFS_LDFLAGS)
86
 
LIBNL3_CFLAGS=$(shell pkg-config --cflags-only-I libnl-route-3.0)
87
 
LIBNL3_LIBS=$(shell pkg-config --libs libnl-route-3.0)
88
57
 
89
58
# Do not change these two
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))
 
59
CFLAGS=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
 
60
        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
 
61
        -DVERSION='"$(version)"'
 
62
LDFLAGS=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
94
63
 
95
64
# Commands to format a DocBook <refentry> document into a manual page
96
65
DOCBOOKTOMAN=$(strip cd $(dir $<); xsltproc --nonet --xinclude \
99
68
        --param make.single.year.ranges         1 \
100
69
        --param man.output.quietly              1 \
101
70
        --param man.authors.section.enabled     0 \
102
 
        /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
 
71
         /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
103
72
        $(notdir $<); \
104
 
        if locale --all 2>/dev/null | grep --regexp='^en_US\.utf8$$' \
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)
 
73
        $(MANPOST) $(notdir $@);\
 
74
        if locale --all | grep --regexp='^en_US\.utf8$$' && type man \
 
75
        2>/dev/null; then LANG=en_US.UTF-8 MANWIDTH=80 man \
 
76
        --warnings --encoding=UTF-8 --local-file $(notdir $@); fi \
 
77
        >/dev/null)
 
78
# DocBook-to-man post-processing to fix a '\n' escape bug
 
79
MANPOST=$(SED) --in-place --expression='s,\\\\en,\\en,g;s,\\n,\\en,g'
108
80
 
109
81
DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
110
82
        --param make.year.ranges                1 \
122
94
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
123
95
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
124
96
        plugins.d/plymouth
125
 
PLUGIN_HELPERS=plugin-helpers/mandos-client-iprouteadddel
126
 
CPROGS=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
 
97
CPROGS=plugin-runner $(PLUGINS)
127
98
PROGS=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
128
99
DOCS=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
129
100
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
256
227
        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
257
228
                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
258
229
 
259
 
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
260
 
        $(LINK.c) $(LIBNL3_CFLAGS) $^ $(LIBNL3_LIBS) $(strip\
261
 
                ) $(LOADLIBES) $(LDLIBS) -o $@
262
 
 
263
 
.PHONY : all doc html clean distclean mostlyclean maintainer-clean \
264
 
        check run-client run-server install install-html \
265
 
        install-server install-client-nokey install-client uninstall \
266
 
        uninstall-server uninstall-client purge purge-server \
267
 
        purge-client
 
230
.PHONY : all doc html clean distclean run-client run-server install \
 
231
        install-server install-client uninstall uninstall-server \
 
232
        uninstall-client purge purge-server purge-client
268
233
 
269
234
clean:
270
235
        -rm --force $(CPROGS) $(objects) $(htmldocs) $(DOCS) core
276
241
 
277
242
check:  all
278
243
        ./mandos --check
279
 
        ./mandos-ctl --check
280
244
 
281
245
# Run the client with a local config and key
282
246
run-client: all keydir/seckey.txt keydir/pubkey.txt
285
249
        @echo "# ignored.  The messages are caused by not running as root, but   #"
286
250
        @echo "# you should NOT run \"make run-client\" as root unless you also    #"
287
251
        @echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
288
 
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
289
 
        @echo "#                     setuid: Operation not permitted             #"
 
252
        @echo "# From plugin-runner: setuid: Operation not permitted             #"
290
253
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
291
 
        @echo "# From mandos-client:                                             #"
292
 
        @echo "#             Failed to raise privileges: Operation not permitted #"
293
 
        @echo "#             Warning: network hook \"*\" exited with status *      #"
 
254
        @echo "# From mandos-client: setuid: Operation not permitted             #"
 
255
        @echo "#                     seteuid: Operation not permitted            #"
 
256
        @echo "#                     klogctl: Operation not permitted            #"
294
257
        @echo "###################################################################"
295
 
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
296
258
        ./plugin-runner --plugin-dir=plugins.d \
297
 
                --plugin-helper-dir=plugin-helpers \
298
259
                --config-file=plugin-runner.conf \
299
260
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
300
 
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
301
261
                $(CLIENTARGS)
302
262
 
303
263
# Used by run-client
318
278
        install --directory confdir
319
279
        install --mode=u=rw $< $@
320
280
# Add a client password
321
 
        ./mandos-keygen --dir keydir --password --no-ssh >> $@
 
281
        ./mandos-keygen --dir keydir --password >> $@
322
282
statedir:
323
283
        install --directory statedir
324
284
 
331
291
 
332
292
install-server: doc
333
293
        install --directory $(CONFDIR)
334
 
        if install --directory --mode=u=rwx --owner=$(USER) \
335
 
                --group=$(GROUP) $(STATEDIR); then \
336
 
                :; \
337
 
        elif install --directory --mode=u=rwx $(STATEDIR); then \
338
 
                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
339
 
        fi
 
294
        install --directory --mode=u=rwx --owner=$(USER) \
 
295
                --group=$(GROUP) $(STATEDIR)
340
296
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
341
297
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
342
298
                mandos-ctl
350
306
                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
351
307
        install --mode=u=rwx,go=rx init.d-mandos \
352
308
                $(DESTDIR)/etc/init.d/mandos
353
 
        if [ "$(SYSTEMD)" != "$(DESTDIR)" -a -d "$(SYSTEMD)" ]; then \
354
 
                install --mode=u=rw,go=r mandos.service $(SYSTEMD); \
355
 
        fi
356
309
        install --mode=u=rw,go=r default-mandos \
357
310
                $(DESTDIR)/etc/default/mandos
358
311
        if [ -z $(DESTDIR) ]; then \
372
325
                > $(MANDIR)/man8/intro.8mandos.gz
373
326
 
374
327
install-client-nokey: all doc
375
 
        install --directory $(LIBDIR)/mandos $(CONFDIR)
 
328
        install --directory $(PREFIX)/lib/mandos $(CONFDIR)
376
329
        install --directory --mode=u=rwx $(KEYDIR) \
377
 
                $(LIBDIR)/mandos/plugins.d \
378
 
                $(LIBDIR)/mandos/plugin-helpers
379
 
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
 
330
                $(PREFIX)/lib/mandos/plugins.d
 
331
        if [ "$(CONFDIR)" != "$(PREFIX)/lib/mandos" ]; then \
380
332
                install --mode=u=rwx \
381
333
                        --directory "$(CONFDIR)/plugins.d"; \
382
 
                install --directory "$(CONFDIR)/plugin-helpers"; \
383
334
        fi
384
335
        install --mode=u=rwx,go=rx --directory \
385
336
                "$(CONFDIR)/network-hooks.d"
386
337
        install --mode=u=rwx,go=rx \
387
 
                --target-directory=$(LIBDIR)/mandos plugin-runner
 
338
                --target-directory=$(PREFIX)/lib/mandos plugin-runner
388
339
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
389
340
                mandos-keygen
390
341
        install --mode=u=rwx,go=rx \
391
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
342
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
392
343
                plugins.d/password-prompt
393
344
        install --mode=u=rwxs,go=rx \
394
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
345
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
395
346
                plugins.d/mandos-client
396
347
        install --mode=u=rwxs,go=rx \
397
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
348
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
398
349
                plugins.d/usplash
399
350
        install --mode=u=rwxs,go=rx \
400
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
351
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
401
352
                plugins.d/splashy
402
353
        install --mode=u=rwxs,go=rx \
403
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
354
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
404
355
                plugins.d/askpass-fifo
405
356
        install --mode=u=rwxs,go=rx \
406
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
357
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
407
358
                plugins.d/plymouth
408
 
        install --mode=u=rwxs,go=rx \
409
 
                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
410
 
                plugin-helpers/mandos-client-iprouteadddel
411
359
        install initramfs-tools-hook \
412
360
                $(INITRAMFSTOOLS)/hooks/mandos
413
361
        install --mode=u=rw,go=r initramfs-tools-hook-conf \
458
406
        ! grep --regexp='^ *[^ #].*keyscript=[^,=]*/mandos/' \
459
407
                $(DESTDIR)/etc/crypttab
460
408
        -rm --force $(PREFIX)/sbin/mandos-keygen \
461
 
                $(LIBDIR)/mandos/plugin-runner \
462
 
                $(LIBDIR)/mandos/plugins.d/password-prompt \
463
 
                $(LIBDIR)/mandos/plugins.d/mandos-client \
464
 
                $(LIBDIR)/mandos/plugins.d/usplash \
465
 
                $(LIBDIR)/mandos/plugins.d/splashy \
466
 
                $(LIBDIR)/mandos/plugins.d/askpass-fifo \
467
 
                $(LIBDIR)/mandos/plugins.d/plymouth \
 
409
                $(PREFIX)/lib/mandos/plugin-runner \
 
410
                $(PREFIX)/lib/mandos/plugins.d/password-prompt \
 
411
                $(PREFIX)/lib/mandos/plugins.d/mandos-client \
 
412
                $(PREFIX)/lib/mandos/plugins.d/usplash \
 
413
                $(PREFIX)/lib/mandos/plugins.d/splashy \
 
414
                $(PREFIX)/lib/mandos/plugins.d/askpass-fifo \
 
415
                $(PREFIX)/lib/mandos/plugins.d/plymouth \
468
416
                $(INITRAMFSTOOLS)/hooks/mandos \
469
417
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos \
470
418
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos \
476
424
                $(MANDIR)/man8/splashy.8mandos.gz \
477
425
                $(MANDIR)/man8/askpass-fifo.8mandos.gz \
478
426
                $(MANDIR)/man8/plymouth.8mandos.gz \
479
 
        -rmdir $(LIBDIR)/mandos/plugins.d $(CONFDIR)/plugins.d \
480
 
                 $(LIBDIR)/mandos $(CONFDIR) $(KEYDIR)
 
427
        -rmdir $(PREFIX)/lib/mandos/plugins.d $(CONFDIR)/plugins.d \
 
428
                 $(PREFIX)/lib/mandos $(CONFDIR) $(KEYDIR)
481
429
        update-initramfs -k all -u
482
430
 
483
431
purge: purge-server purge-client
487
435
                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
488
436
                $(DESTDIR)/etc/default/mandos \
489
437
                $(DESTDIR)/etc/init.d/mandos \
490
 
                $(SYSTEMD)/mandos.service \
491
 
                $(DESTDIR)/run/mandos.pid \
492
438
                $(DESTDIR)/var/run/mandos.pid
493
439
        -rmdir $(CONFDIR)
494
440