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  • Committer: Teddy Hogeborn
  • Date: 2012-06-06 19:08:17 UTC
  • mto: (237.7.144 trunk)
  • mto: This revision was merged to the branch mainline in revision 302.
  • Revision ID: teddy@recompile.se-20120606190817-c2x5o98vzn07xufd
* plugins.d/mandos-client.c: Refactoring.
  (uid, gid): New global variables.
  (raise_privileges, raise_privileges_permanently, lower_privileges,
  bring_up_interface): New functions.
  (main): Changed to use new functions.

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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>
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# and <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
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FORTIFY=-D_FORTIFY_SOURCE=2 -fstack-protector-all -fPIC
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14
LINK_FORTIFY_LD=-z relro -z now
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LINK_FORTIFY += -pie
24
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endif
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#COVERAGE=--coverage
26
 
OPTIMIZE=-Os -fno-strict-aliasing
 
23
OPTIMIZE=-Os
27
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LANGUAGE=-std=gnu99
28
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htmldir=man
29
 
version=1.6.6
 
26
version=1.5.5
30
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SED=sed
31
28
 
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USER=$(firstword $(subst :, ,$(shell getent passwd _mandos || getent passwd nobody || echo 65534)))
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# MANDIR=$(PREFIX)/man
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# INITRAMFSTOOLS=$(DESTDIR)/etc/initramfs-tools
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# STATEDIR=$(DESTDIR)/var/lib/mandos
42
 
# LIBDIR=$(PREFIX)/lib
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##
44
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## These settings are for a package-type install
49
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MANDIR=$(PREFIX)/share/man
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INITRAMFSTOOLS=$(DESTDIR)/usr/share/initramfs-tools
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STATEDIR=$(DESTDIR)/var/lib/mandos
52
 
LIBDIR=$(shell \
53
 
        for d in \
54
 
        "/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
55
 
        "`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/lib; do \
56
 
                if [ -d "$$d" -a "$$d" = "$${d%/}" ]; then \
57
 
                        echo "$(DESTDIR)$$d"; \
58
 
                        break; \
59
 
                fi; \
60
 
        done)
61
48
##
62
49
 
63
 
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
64
 
 
65
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GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
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GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
67
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AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
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        getconf LFS_LDFLAGS)
72
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73
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# Do not change these two
74
 
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
 
59
CFLAGS=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
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        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
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        -DVERSION='"$(version)"'
77
 
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
 
62
LDFLAGS=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
78
63
 
79
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# Commands to format a DocBook <refentry> document into a manual page
80
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DOCBOOKTOMAN=$(strip cd $(dir $<); xsltproc --nonet --xinclude \
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        --param make.single.year.ranges         1 \
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        --param man.output.quietly              1 \
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        --param man.authors.section.enabled     0 \
86
 
        /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
 
71
         /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
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        $(notdir $<); \
88
 
        if locale --all 2>/dev/null | grep --regexp='^en_US\.utf8$$' \
89
 
        && type man 2>/dev/null; then LANG=en_US.UTF-8 MANWIDTH=80 \
90
 
        man --warnings --encoding=UTF-8 --local-file $(notdir $@); \
91
 
        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'
92
80
 
93
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DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
94
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        --param make.year.ranges                1 \
239
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        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
240
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                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
241
229
 
242
 
.PHONY : all doc html clean distclean mostlyclean maintainer-clean \
243
 
        check run-client run-server install install-html \
244
 
        install-server install-client-nokey install-client uninstall \
245
 
        uninstall-server uninstall-client purge purge-server \
246
 
        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
247
233
 
248
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clean:
249
235
        -rm --force $(CPROGS) $(objects) $(htmldocs) $(DOCS) core
255
241
 
256
242
check:  all
257
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        ./mandos --check
258
 
        ./mandos-ctl --check
259
244
 
260
245
# Run the client with a local config and key
261
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run-client: all keydir/seckey.txt keydir/pubkey.txt
264
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        @echo "# ignored.  The messages are caused by not running as root, but   #"
265
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        @echo "# you should NOT run \"make run-client\" as root unless you also    #"
266
251
        @echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
267
 
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
268
 
        @echo "#                     setuid: Operation not permitted             #"
 
252
        @echo "# From plugin-runner: setuid: Operation not permitted             #"
269
253
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
270
 
        @echo "# From mandos-client:                                             #"
271
 
        @echo "#             Failed to raise privileges: Operation not permitted #"
272
 
        @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            #"
273
257
        @echo "###################################################################"
274
 
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
275
258
        ./plugin-runner --plugin-dir=plugins.d \
276
259
                --config-file=plugin-runner.conf \
277
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                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
278
 
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
279
261
                $(CLIENTARGS)
280
262
 
281
263
# Used by run-client
296
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        install --directory confdir
297
279
        install --mode=u=rw $< $@
298
280
# Add a client password
299
 
        ./mandos-keygen --dir keydir --password --no-ssh >> $@
 
281
        ./mandos-keygen --dir keydir --password >> $@
300
282
statedir:
301
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        install --directory statedir
302
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309
291
 
310
292
install-server: doc
311
293
        install --directory $(CONFDIR)
312
 
        if install --directory --mode=u=rwx --owner=$(USER) \
313
 
                --group=$(GROUP) $(STATEDIR); then \
314
 
                :; \
315
 
        elif install --directory --mode=u=rwx $(STATEDIR); then \
316
 
                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
317
 
        fi
 
294
        install --directory --mode=u=rwx --owner=$(USER) \
 
295
                --group=$(GROUP) $(STATEDIR)
318
296
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
319
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        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
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                mandos-ctl
328
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                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
329
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        install --mode=u=rwx,go=rx init.d-mandos \
330
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                $(DESTDIR)/etc/init.d/mandos
331
 
        if [ "$(SYSTEMD)" != "$(DESTDIR)" -a -d "$(SYSTEMD)" ]; then \
332
 
                install --mode=u=rw,go=r mandos.service $(SYSTEMD); \
333
 
        fi
334
309
        install --mode=u=rw,go=r default-mandos \
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                $(DESTDIR)/etc/default/mandos
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        if [ -z $(DESTDIR) ]; then \
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                > $(MANDIR)/man8/intro.8mandos.gz
351
326
 
352
327
install-client-nokey: all doc
353
 
        install --directory $(LIBDIR)/mandos $(CONFDIR)
 
328
        install --directory $(PREFIX)/lib/mandos $(CONFDIR)
354
329
        install --directory --mode=u=rwx $(KEYDIR) \
355
 
                $(LIBDIR)/mandos/plugins.d
356
 
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
 
330
                $(PREFIX)/lib/mandos/plugins.d
 
331
        if [ "$(CONFDIR)" != "$(PREFIX)/lib/mandos" ]; then \
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                install --mode=u=rwx \
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                        --directory "$(CONFDIR)/plugins.d"; \
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        fi
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        install --mode=u=rwx,go=rx --directory \
361
336
                "$(CONFDIR)/network-hooks.d"
362
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        install --mode=u=rwx,go=rx \
363
 
                --target-directory=$(LIBDIR)/mandos plugin-runner
 
338
                --target-directory=$(PREFIX)/lib/mandos plugin-runner
364
339
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
365
340
                mandos-keygen
366
341
        install --mode=u=rwx,go=rx \
367
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
342
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
368
343
                plugins.d/password-prompt
369
344
        install --mode=u=rwxs,go=rx \
370
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
345
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
371
346
                plugins.d/mandos-client
372
347
        install --mode=u=rwxs,go=rx \
373
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
348
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
374
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                plugins.d/usplash
375
350
        install --mode=u=rwxs,go=rx \
376
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
351
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
377
352
                plugins.d/splashy
378
353
        install --mode=u=rwxs,go=rx \
379
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
354
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
380
355
                plugins.d/askpass-fifo
381
356
        install --mode=u=rwxs,go=rx \
382
 
                --target-directory=$(LIBDIR)/mandos/plugins.d \
 
357
                --target-directory=$(PREFIX)/lib/mandos/plugins.d \
383
358
                plugins.d/plymouth
384
359
        install initramfs-tools-hook \
385
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                $(INITRAMFSTOOLS)/hooks/mandos
431
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        ! grep --regexp='^ *[^ #].*keyscript=[^,=]*/mandos/' \
432
407
                $(DESTDIR)/etc/crypttab
433
408
        -rm --force $(PREFIX)/sbin/mandos-keygen \
434
 
                $(LIBDIR)/mandos/plugin-runner \
435
 
                $(LIBDIR)/mandos/plugins.d/password-prompt \
436
 
                $(LIBDIR)/mandos/plugins.d/mandos-client \
437
 
                $(LIBDIR)/mandos/plugins.d/usplash \
438
 
                $(LIBDIR)/mandos/plugins.d/splashy \
439
 
                $(LIBDIR)/mandos/plugins.d/askpass-fifo \
440
 
                $(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 \
441
416
                $(INITRAMFSTOOLS)/hooks/mandos \
442
417
                $(INITRAMFSTOOLS)/conf-hooks.d/mandos \
443
418
                $(INITRAMFSTOOLS)/scripts/init-premount/mandos \
449
424
                $(MANDIR)/man8/splashy.8mandos.gz \
450
425
                $(MANDIR)/man8/askpass-fifo.8mandos.gz \
451
426
                $(MANDIR)/man8/plymouth.8mandos.gz \
452
 
        -rmdir $(LIBDIR)/mandos/plugins.d $(CONFDIR)/plugins.d \
453
 
                 $(LIBDIR)/mandos $(CONFDIR) $(KEYDIR)
 
427
        -rmdir $(PREFIX)/lib/mandos/plugins.d $(CONFDIR)/plugins.d \
 
428
                 $(PREFIX)/lib/mandos $(CONFDIR) $(KEYDIR)
454
429
        update-initramfs -k all -u
455
430
 
456
431
purge: purge-server purge-client
460
435
                $(DESTDIR)/etc/dbus-1/system.d/mandos.conf
461
436
                $(DESTDIR)/etc/default/mandos \
462
437
                $(DESTDIR)/etc/init.d/mandos \
463
 
                $(SYSTEMD)/mandos.service \
464
 
                $(DESTDIR)/run/mandos.pid \
465
438
                $(DESTDIR)/var/run/mandos.pid
466
439
        -rmdir $(CONFDIR)
467
440