/mandos/trunk

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  • Committer: Teddy Hogeborn
  • Date: 2014-03-23 22:12:57 UTC
  • Revision ID: teddy@recompile.se-20140323221257-9lkufevfdn4kwoq6
Use openat() etc. in plugin-runner.  Also one less useless warning.

* plugin-runner.c (main): Only print warning about failure to work
                          around Debian bug #633582 if the plugin
                          directory actually exists.  Use openat(),
                          fstat(), faccessat(), and eliminate
                          asprintf().

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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
 
#DEBUG:=-ggdb3 -fsanitize=address 
 
13
#DEBUG=-ggdb3
14
14
# For info about _FORTIFY_SOURCE, see feature_test_macros(7)
15
 
# and <https://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>.
16
 
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=leak -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
 
LINK_FORTIFY_LD:=-z relro -z now
32
 
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=
33
19
 
34
20
# If BROKEN_PIE is set, do not build with -pie
35
21
ifndef BROKEN_PIE
37
23
LINK_FORTIFY += -pie
38
24
endif
39
25
#COVERAGE=--coverage
40
 
OPTIMIZE:=-Os -fno-strict-aliasing
41
 
LANGUAGE:=-std=gnu11
42
 
htmldir:=man
43
 
version:=1.7.16
44
 
SED:=sed
 
26
OPTIMIZE=-Os -fno-strict-aliasing
 
27
LANGUAGE=-std=gnu99
 
28
htmldir=man
 
29
version=1.6.4
 
30
SED=sed
45
31
 
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)))
 
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)))
48
34
 
49
35
## Use these settings for a traditional /usr/local install
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
 
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
57
43
##
58
44
 
59
45
## These settings are for a package-type install
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 \
 
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 \
67
53
        for d in \
68
54
        "/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
69
55
        "`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/lib; do \
74
60
        done)
75
61
##
76
62
 
77
 
SYSTEMD:=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
78
 
TMPFILES:=$(DESTDIR)$(shell pkg-config systemd --variable=tmpfilesdir)
 
63
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
79
64
 
80
 
GNUTLS_CFLAGS:=$(shell pkg-config --cflags-only-I gnutls)
81
 
GNUTLS_LIBS:=$(shell pkg-config --libs gnutls)
82
 
AVAHI_CFLAGS:=$(shell pkg-config --cflags-only-I avahi-core)
83
 
AVAHI_LIBS:=$(shell pkg-config --libs avahi-core)
84
 
GPGME_CFLAGS:=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
85
 
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; \
86
71
        getconf LFS_LDFLAGS)
87
 
LIBNL3_CFLAGS:=$(shell pkg-config --cflags-only-I libnl-route-3.0)
88
 
LIBNL3_LIBS:=$(shell pkg-config --libs libnl-route-3.0)
89
72
 
90
73
# Do not change these two
91
 
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(SANITIZE) $(COVERAGE) \
92
 
        $(OPTIMIZE) $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) \
93
 
        $(GPGME_CFLAGS) -DVERSION='"$(version)"'
 
74
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
 
75
        $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS) \
 
76
        -DVERSION='"$(version)"'
94
77
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
95
78
 
96
79
# Commands to format a DocBook <refentry> document into a manual page
102
85
        --param man.authors.section.enabled     0 \
103
86
        /usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
104
87
        $(notdir $<); \
 
88
        $(MANPOST) $(notdir $@);\
105
89
        if locale --all 2>/dev/null | grep --regexp='^en_US\.utf8$$' \
106
90
        && type man 2>/dev/null; then LANG=en_US.UTF-8 MANWIDTH=80 \
107
91
        man --warnings --encoding=UTF-8 --local-file $(notdir $@); \
108
92
        fi >/dev/null)
 
93
# DocBook-to-man post-processing to fix a '\n' escape bug
 
94
MANPOST=$(SED) --in-place --expression='s,\\\\en,\\en,g;s,\\n,\\en,g'
109
95
 
110
96
DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
111
97
        --param make.year.ranges                1 \
117
103
        /usr/share/xml/docbook/stylesheet/nwalsh/xhtml/docbook.xsl \
118
104
        $<; $(HTMLPOST) $@)
119
105
# Fix citerefentry links
120
 
HTMLPOST:=$(SED) --in-place \
 
106
HTMLPOST=$(SED) --in-place \
121
107
        --expression='s/\(<a class="citerefentry" href="\)\("><span class="citerefentry"><span class="refentrytitle">\)\([^<]*\)\(<\/span>(\)\([^)]*\)\()<\/span><\/a>\)/\1\3.\5\2\3\4\5\6/g'
122
108
 
123
 
PLUGINS:=plugins.d/password-prompt plugins.d/mandos-client \
 
109
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
124
110
        plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
125
111
        plugins.d/plymouth
126
 
PLUGIN_HELPERS:=plugin-helpers/mandos-client-iprouteadddel
127
 
CPROGS:=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
128
 
PROGS:=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
129
 
DOCS:=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
 
112
CPROGS=plugin-runner $(PLUGINS)
 
113
PROGS=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
 
114
DOCS=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
130
115
        mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
131
116
        plugins.d/mandos-client.8mandos \
132
117
        plugins.d/password-prompt.8mandos plugins.d/usplash.8mandos \
133
118
        plugins.d/splashy.8mandos plugins.d/askpass-fifo.8mandos \
134
119
        plugins.d/plymouth.8mandos intro.8mandos
135
120
 
136
 
htmldocs:=$(addsuffix .xhtml,$(DOCS))
 
121
htmldocs=$(addsuffix .xhtml,$(DOCS))
137
122
 
138
 
objects:=$(addsuffix .o,$(CPROGS))
 
123
objects=$(addsuffix .o,$(CPROGS))
139
124
 
140
125
all: $(PROGS) mandos.lsm
141
126
 
257
242
        $(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
258
243
                ) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
259
244
 
260
 
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
261
 
        $(LINK.c) $(LIBNL3_CFLAGS) $^ $(LIBNL3_LIBS) $(strip\
262
 
                ) $(LOADLIBES) $(LDLIBS) -o $@
263
 
 
264
245
.PHONY : all doc html clean distclean mostlyclean maintainer-clean \
265
246
        check run-client run-server install install-html \
266
247
        install-server install-client-nokey install-client uninstall \
283
264
run-client: all keydir/seckey.txt keydir/pubkey.txt
284
265
        @echo "###################################################################"
285
266
        @echo "# The following error messages are harmless and can be safely     #"
286
 
        @echo "# ignored:                                                        #"
287
 
        @echo "# From plugin-runner: setgid: Operation not permitted             #"
288
 
        @echo "#                     setuid: Operation not permitted             #"
 
267
        @echo "# ignored.  The messages are caused by not running as root, but   #"
 
268
        @echo "# you should NOT run \"make run-client\" as root unless you also    #"
 
269
        @echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
 
270
        @echo "# From plugin-runner: setuid: Operation not permitted             #"
289
271
        @echo "# From askpass-fifo:  mkfifo: Permission denied                   #"
290
 
        @echo "# From mandos-client:                                             #"
291
 
        @echo "#             Failed to raise privileges: Operation not permitted #"
292
 
        @echo "#             Warning: network hook \"*\" exited with status *      #"
293
 
        @echo "#                                                                 #"
294
 
        @echo "# (The messages are caused by not running as root, but you should #"
295
 
        @echo "# NOT run \"make run-client\" as root unless you also unpacked and  #"
296
 
        @echo "# compiled Mandos as root, which is also NOT recommended.)        #"
 
272
        @echo "# From mandos-client: setuid: Operation not permitted             #"
 
273
        @echo "#                     seteuid: Operation not permitted            #"
 
274
        @echo "#                     klogctl: Operation not permitted            #"
297
275
        @echo "###################################################################"
298
 
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
299
276
        ./plugin-runner --plugin-dir=plugins.d \
300
 
                --plugin-helper-dir=plugin-helpers \
301
277
                --config-file=plugin-runner.conf \
302
278
                --options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
303
 
                --env-for=mandos-client:GNOME_KEYRING_CONTROL= \
304
279
                $(CLIENTARGS)
305
280
 
306
281
# Used by run-client
321
296
        install --directory confdir
322
297
        install --mode=u=rw $< $@
323
298
# Add a client password
324
 
        ./mandos-keygen --dir keydir --password --no-ssh >> $@
 
299
        ./mandos-keygen --dir keydir --password >> $@
325
300
statedir:
326
301
        install --directory statedir
327
302
 
340
315
        elif install --directory --mode=u=rwx $(STATEDIR); then \
341
316
                chown -- $(USER):$(GROUP) $(STATEDIR) || :; \
342
317
        fi
343
 
        if [ "$(TMPFILES)" != "$(DESTDIR)" -a -d "$(TMPFILES)" ]; then \
344
 
                install --mode=u=rw,go=r tmpfiles.d-mandos.conf \
345
 
                        $(TMPFILES)/mandos.conf; \
346
 
        fi
347
318
        install --mode=u=rwx,go=rx mandos $(PREFIX)/sbin/mandos
348
319
        install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
349
320
                mandos-ctl
381
352
install-client-nokey: all doc
382
353
        install --directory $(LIBDIR)/mandos $(CONFDIR)
383
354
        install --directory --mode=u=rwx $(KEYDIR) \
384
 
                $(LIBDIR)/mandos/plugins.d \
385
 
                $(LIBDIR)/mandos/plugin-helpers
 
355
                $(LIBDIR)/mandos/plugins.d
386
356
        if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
387
357
                install --mode=u=rwx \
388
 
                        --directory "$(CONFDIR)/plugins.d" \
389
 
                        "$(CONFDIR)/plugin-helpers"; \
 
358
                        --directory "$(CONFDIR)/plugins.d"; \
390
359
        fi
391
360
        install --mode=u=rwx,go=rx --directory \
392
361
                "$(CONFDIR)/network-hooks.d"
412
381
        install --mode=u=rwxs,go=rx \
413
382
                --target-directory=$(LIBDIR)/mandos/plugins.d \
414
383
                plugins.d/plymouth
415
 
        install --mode=u=rwx,go=rx \
416
 
                --target-directory=$(LIBDIR)/mandos/plugin-helpers \
417
 
                plugin-helpers/mandos-client-iprouteadddel
418
384
        install initramfs-tools-hook \
419
385
                $(INITRAMFSTOOLS)/hooks/mandos
420
386
        install --mode=u=rw,go=r initramfs-tools-hook-conf \