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=2 -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
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
17
# <https://developerblog.redhat.com/2014/10/16/gcc-undefined-behavior-sanitizer-ubsan/>
18
# The sanitizing options are available in GCC 4.9 and above.
19
ifeq ($(shell test $(shell $(CC) -dumpversion) \> 4.9-; echo $$?),0)
20
SANITIZE:=-fsanitize=address -fsanitize=undefined -fsanitize=shift \
21
-fsanitize=integer-divide-by-zero -fsanitize=unreachable \
22
-fsanitize=vla-bound -fsanitize=null -fsanitize=return \
23
-fsanitize=signed-integer-overflow
24
# GCC 5.3 has some more sanitizing options
25
ifeq ($(shell test $(shell $(CC) -dumpversion) \> 5.3-; echo $$?),0)
26
SANITIZE+=-fsanitize=bounds -fsanitize=alignment \
27
-fsanitize=object-size -fsanitize=float-divide-by-zero \
28
-fsanitize=float-cast-overflow -fsanitize=nonnull-attribute \
29
-fsanitize=returns-nonnull-attribute -fsanitize=bool \
35
LINK_FORTIFY_LD=-z relro -z now
38
# If BROKEN_PIE is set, do not build with -pie
10
# For info about _FORTIFY_SOURCE, see
11
# <http://gcc.gnu.org/ml/gcc-patches/2004-09/msg02055.html>
12
FORTIFY=-D_FORTIFY_SOURCE=2 # -fstack-protector-all
43
13
#COVERAGE=--coverage
44
OPTIMIZE=-Os -fno-strict-aliasing
50
USER=$(firstword $(subst :, ,$(shell getent passwd _mandos || getent passwd nobody || echo 65534)))
51
GROUP=$(firstword $(subst :, ,$(shell getent group _mandos || getent group nobody || echo 65534)))
53
17
## Use these settings for a traditional /usr/local install
54
18
# PREFIX=$(DESTDIR)/usr/local
66
28
KEYDIR=$(DESTDIR)/etc/keys/mandos
67
29
MANDIR=$(PREFIX)/share/man
68
30
INITRAMFSTOOLS=$(DESTDIR)/usr/share/initramfs-tools
69
STATEDIR=$(DESTDIR)/var/lib/mandos
72
"/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null`" \
73
"`rpm --eval='%{_libdir}' 2>/dev/null`" /usr/lib; do \
74
if [ -d "$$d" -a "$$d" = "$${d%/}" ]; then \
75
echo "$(DESTDIR)$$d"; \
81
SYSTEMD=$(DESTDIR)$(shell pkg-config systemd --variable=systemdsystemunitdir)
83
GNUTLS_CFLAGS=$(shell pkg-config --cflags-only-I gnutls)
84
GNUTLS_LIBS=$(shell pkg-config --libs gnutls)
33
GNUTLS_CFLAGS=$(shell libgnutls-config --cflags)
34
GNUTLS_LIBS=$(shell libgnutls-config --libs)
85
35
AVAHI_CFLAGS=$(shell pkg-config --cflags-only-I avahi-core)
86
36
AVAHI_LIBS=$(shell pkg-config --libs avahi-core)
87
GPGME_CFLAGS=$(shell gpgme-config --cflags; getconf LFS_CFLAGS)
88
GPGME_LIBS=$(shell gpgme-config --libs; getconf LFS_LIBS; \
90
LIBNL3_CFLAGS=$(shell pkg-config --cflags-only-I libnl-route-3.0)
91
LIBNL3_LIBS=$(shell pkg-config --libs libnl-route-3.0)
37
GPGME_CFLAGS=$(shell gpgme-config --cflags)
38
GPGME_LIBS=$(shell gpgme-config --libs)
93
40
# Do not change these two
94
CFLAGS+=$(WARN) $(DEBUG) $(FORTIFY) $(SANITIZE) $(COVERAGE) \
95
$(OPTIMIZE) $(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) \
96
$(GPGME_CFLAGS) -DVERSION='"$(version)"'
97
LDFLAGS+=-Xlinker --as-needed $(COVERAGE) $(LINK_FORTIFY) $(foreach flag,$(LINK_FORTIFY_LD),-Xlinker $(flag))
41
CFLAGS=$(WARN) $(DEBUG) $(FORTIFY) $(COVERAGE) $(OPTIMIZE) \
42
$(LANGUAGE) $(GNUTLS_CFLAGS) $(AVAHI_CFLAGS) $(GPGME_CFLAGS)
99
45
# Commands to format a DocBook <refentry> document into a manual page
100
DOCBOOKTOMAN=$(strip cd $(dir $<); xsltproc --nonet --xinclude \
46
DOCBOOKTOMAN=cd $(dir $<); xsltproc --nonet --xinclude \
101
47
--param man.charmap.use.subset 0 \
102
48
--param make.year.ranges 1 \
103
49
--param make.single.year.ranges 1 \
104
50
--param man.output.quietly 1 \
105
51
--param man.authors.section.enabled 0 \
106
/usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
52
/usr/share/xml/docbook/stylesheet/nwalsh/manpages/docbook.xsl \
108
if locale --all 2>/dev/null | grep --regexp='^en_US\.utf8$$' \
109
&& type man 2>/dev/null; then LANG=en_US.UTF-8 MANWIDTH=80 \
110
man --warnings --encoding=UTF-8 --local-file $(notdir $@); \
113
DOCBOOKTOHTML=$(strip xsltproc --nonet --xinclude \
114
--param make.year.ranges 1 \
115
--param make.single.year.ranges 1 \
116
--param man.output.quietly 1 \
117
--param man.authors.section.enabled 0 \
118
--param citerefentry.link 1 \
120
/usr/share/xml/docbook/stylesheet/nwalsh/xhtml/docbook.xsl \
122
# Fix citerefentry links
123
HTMLPOST=$(SED) --in-place \
124
--expression='s/\(<a class="citerefentry" href="\)\("><span class="citerefentry"><span class="refentrytitle">\)\([^<]*\)\(<\/span>(\)\([^)]*\)\()<\/span><\/a>\)/\1\3.\5\2\3\4\5\6/g'
54
$(MANPOST) $(notdir $@)
55
# DocBook-to-man post-processing to fix a '\n' escape bug
56
MANPOST=sed --in-place --expression='s,\\\\en,\\en,g;s,\\n,\\en,g'
126
58
PLUGINS=plugins.d/password-prompt plugins.d/mandos-client \
127
plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo \
129
PLUGIN_HELPERS=plugin-helpers/mandos-client-iprouteadddel
130
CPROGS=plugin-runner $(PLUGINS) $(PLUGIN_HELPERS)
131
PROGS=mandos mandos-keygen mandos-ctl mandos-monitor $(CPROGS)
132
DOCS=mandos.8 mandos-keygen.8 mandos-monitor.8 mandos-ctl.8 \
133
mandos.conf.5 mandos-clients.conf.5 plugin-runner.8mandos \
59
plugins.d/usplash plugins.d/splashy plugins.d/askpass-fifo
60
PROGS=plugin-runner $(PLUGINS)
61
DOCS=mandos.8 plugin-runner.8mandos mandos-keygen.8 \
134
62
plugins.d/mandos-client.8mandos \
135
plugins.d/password-prompt.8mandos plugins.d/usplash.8mandos \
136
plugins.d/splashy.8mandos plugins.d/askpass-fifo.8mandos \
137
plugins.d/plymouth.8mandos intro.8mandos
139
htmldocs=$(addsuffix .xhtml,$(DOCS))
141
objects=$(addsuffix .o,$(CPROGS))
143
all: $(PROGS) mandos.lsm
63
plugins.d/password-prompt.8mandos mandos.conf.5 \
66
objects=$(addsuffix .o,$(PROGS))
149
%.5: %.xml common.ent legalnotice.xml
151
%.5.xhtml: %.xml common.ent legalnotice.xml
154
%.8: %.xml common.ent legalnotice.xml
156
%.8.xhtml: %.xml common.ent legalnotice.xml
159
%.8mandos: %.xml common.ent legalnotice.xml
161
%.8mandos.xhtml: %.xml common.ent legalnotice.xml
164
intro.8mandos: intro.xml common.ent legalnotice.xml
166
intro.8mandos.xhtml: intro.xml common.ent legalnotice.xml
169
mandos.8: mandos.xml common.ent mandos-options.xml overview.xml \
172
mandos.8.xhtml: mandos.xml common.ent mandos-options.xml \
173
overview.xml legalnotice.xml
176
mandos-keygen.8: mandos-keygen.xml common.ent overview.xml \
179
mandos-keygen.8.xhtml: mandos-keygen.xml common.ent overview.xml \
183
mandos-monitor.8: mandos-monitor.xml common.ent overview.xml \
186
mandos-monitor.8.xhtml: mandos-monitor.xml common.ent overview.xml \
190
mandos-ctl.8: mandos-ctl.xml common.ent overview.xml \
193
mandos-ctl.8.xhtml: mandos-ctl.xml common.ent overview.xml \
197
mandos.conf.5: mandos.conf.xml common.ent mandos-options.xml \
200
mandos.conf.5.xhtml: mandos.conf.xml common.ent mandos-options.xml \
204
plugin-runner.8mandos: plugin-runner.xml common.ent overview.xml \
207
plugin-runner.8mandos.xhtml: plugin-runner.xml common.ent \
208
overview.xml legalnotice.xml
72
%.5: %.xml legalnotice.xml
75
%.8: %.xml legalnotice.xml
78
%.8mandos: %.xml legalnotice.xml
81
mandos.8: mandos.xml mandos-options.xml overview.xml legalnotice.xml
84
mandos-keygen.8: mandos-keygen.xml overview.xml legalnotice.xml
87
mandos.conf.5: mandos.conf.xml mandos-options.xml legalnotice.xml
90
plugin-runner.8mandos: plugin-runner.xml overview.xml legalnotice.xml
211
93
plugins.d/mandos-client.8mandos: plugins.d/mandos-client.xml \
213
94
mandos-options.xml \
214
95
overview.xml legalnotice.xml
216
plugins.d/mandos-client.8mandos.xhtml: plugins.d/mandos-client.xml \
219
overview.xml legalnotice.xml
222
# Update all these files with version number $(version)
224
$(strip $(SED) --in-place \
225
--expression='s/^\(<!ENTITY version "\)[^"]*">$$/\1$(version)">/' \
229
$(strip $(SED) --in-place \
230
--expression='s/^\(version = "\)[^"]*"$$/\1$(version)"/' \
233
mandos-keygen: Makefile
234
$(strip $(SED) --in-place \
235
--expression='s/^\(VERSION="\)[^"]*"$$/\1$(version)"/' \
239
$(strip $(SED) --in-place \
240
--expression='s/^\(version = "\)[^"]*"$$/\1$(version)"/' \
243
mandos-monitor: Makefile
244
$(strip $(SED) --in-place \
245
--expression='s/^\(version = "\)[^"]*"$$/\1$(version)"/' \
249
$(strip $(SED) --in-place \
250
--expression='s/^\(Version:\).*/\1\t$(version)/' \
252
$(strip $(SED) --in-place \
253
--expression='s/^\(Entered-date:\).*/\1\t$(shell date --rfc-3339=date --reference=Makefile)/' \
255
$(strip $(SED) --in-place \
256
--expression='s/\(mandos_\)[0-9.]\+\(\.orig\.tar\.gz\)/\1$(version)\2/' \
259
plugins.d/mandos-client: plugins.d/mandos-client.c
260
$(LINK.c) $^ -lrt $(GNUTLS_LIBS) $(AVAHI_LIBS) $(strip\
261
) $(GPGME_LIBS) $(LOADLIBES) $(LDLIBS) -o $@
263
plugin-helpers/mandos-client-iprouteadddel: plugin-helpers/mandos-client-iprouteadddel.c
264
$(LINK.c) $(LIBNL3_CFLAGS) $^ $(LIBNL3_LIBS) $(strip\
265
) $(LOADLIBES) $(LDLIBS) -o $@
267
.PHONY : all doc html clean distclean mostlyclean maintainer-clean \
268
check run-client run-server install install-html \
269
install-server install-client-nokey install-client uninstall \
270
uninstall-server uninstall-client purge purge-server \
98
plugins.d/mandos-client: plugins.d/mandos-client.o
99
$(LINK.o) $(GNUTLS_LIBS) $(AVAHI_LIBS) $(GPGME_LIBS) \
100
$(COMMON) $^ $(LOADLIBES) $(LDLIBS) -o $@
102
.PHONY : all doc clean distclean run-client run-server install \
103
install-server install-client uninstall uninstall-server \
104
uninstall-client purge purge-server purge-client
274
-rm --force $(CPROGS) $(objects) $(htmldocs) $(DOCS) core
107
-rm --force $(PROGS) $(objects) $(DOCS) core
277
110
mostlyclean: clean
278
111
maintainer-clean: clean
279
-rm --force --recursive keydir confdir statedir
112
-rm --force --recursive keydir confdir
285
117
# Run the client with a local config and key
286
118
run-client: all keydir/seckey.txt keydir/pubkey.txt
287
@echo "###################################################################"
288
@echo "# The following error messages are harmless and can be safely #"
289
@echo "# ignored. The messages are caused by not running as root, but #"
290
@echo "# you should NOT run \"make run-client\" as root unless you also #"
291
@echo "# unpacked and compiled Mandos as root, which is NOT recommended. #"
292
@echo "# From plugin-runner: setgid: Operation not permitted #"
293
@echo "# setuid: Operation not permitted #"
294
@echo "# From askpass-fifo: mkfifo: Permission denied #"
295
@echo "# From mandos-client: #"
296
@echo "# Failed to raise privileges: Operation not permitted #"
297
@echo "# Warning: network hook \"*\" exited with status * #"
298
@echo "###################################################################"
299
# We set GNOME_KEYRING_CONTROL to block pam_gnome_keyring
300
119
./plugin-runner --plugin-dir=plugins.d \
301
--plugin-helper-dir=plugin-helpers \
302
120
--config-file=plugin-runner.conf \
303
--options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt,--network-hook-dir=network-hooks.d \
304
--env-for=mandos-client:GNOME_KEYRING_CONTROL= \
121
--options-for=mandos-client:--seckey=keydir/seckey.txt,--pubkey=keydir/pubkey.txt
307
123
# Used by run-client
308
124
keydir/seckey.txt keydir/pubkey.txt: mandos-keygen
365
158
gzip --best --to-stdout mandos.8 \
366
159
> $(MANDIR)/man8/mandos.8.gz
367
gzip --best --to-stdout mandos-monitor.8 \
368
> $(MANDIR)/man8/mandos-monitor.8.gz
369
gzip --best --to-stdout mandos-ctl.8 \
370
> $(MANDIR)/man8/mandos-ctl.8.gz
371
160
gzip --best --to-stdout mandos.conf.5 \
372
161
> $(MANDIR)/man5/mandos.conf.5.gz
373
162
gzip --best --to-stdout mandos-clients.conf.5 \
374
163
> $(MANDIR)/man5/mandos-clients.conf.5.gz
375
gzip --best --to-stdout intro.8mandos \
376
> $(MANDIR)/man8/intro.8mandos.gz
378
165
install-client-nokey: all doc
379
install --directory $(LIBDIR)/mandos $(CONFDIR)
166
install --directory $(PREFIX)/lib/mandos $(CONFDIR)
380
167
install --directory --mode=u=rwx $(KEYDIR) \
381
$(LIBDIR)/mandos/plugins.d \
382
$(LIBDIR)/mandos/plugin-helpers
383
if [ "$(CONFDIR)" != "$(LIBDIR)/mandos" ]; then \
168
$(PREFIX)/lib/mandos/plugins.d
169
if [ "$(CONFDIR)" != "$(PREFIX)/lib/mandos" ]; then \
384
170
install --mode=u=rwx \
385
171
--directory "$(CONFDIR)/plugins.d"; \
386
install --directory "$(CONFDIR)/plugin-helpers"; \
388
install --mode=u=rwx,go=rx --directory \
389
"$(CONFDIR)/network-hooks.d"
390
173
install --mode=u=rwx,go=rx \
391
--target-directory=$(LIBDIR)/mandos plugin-runner
174
--target-directory=$(PREFIX)/lib/mandos plugin-runner
392
175
install --mode=u=rwx,go=rx --target-directory=$(PREFIX)/sbin \
394
177
install --mode=u=rwx,go=rx \
395
--target-directory=$(LIBDIR)/mandos/plugins.d \
178
--target-directory=$(PREFIX)/lib/mandos/plugins.d \
396
179
plugins.d/password-prompt
397
180
install --mode=u=rwxs,go=rx \
398
--target-directory=$(LIBDIR)/mandos/plugins.d \
181
--target-directory=$(PREFIX)/lib/mandos/plugins.d \
399
182
plugins.d/mandos-client
400
183
install --mode=u=rwxs,go=rx \
401
--target-directory=$(LIBDIR)/mandos/plugins.d \
184
--target-directory=$(PREFIX)/lib/mandos/plugins.d \
402
185
plugins.d/usplash
403
186
install --mode=u=rwxs,go=rx \
404
--target-directory=$(LIBDIR)/mandos/plugins.d \
187
--target-directory=$(PREFIX)/lib/mandos/plugins.d \
405
188
plugins.d/splashy
406
189
install --mode=u=rwxs,go=rx \
407
--target-directory=$(LIBDIR)/mandos/plugins.d \
190
--target-directory=$(PREFIX)/lib/mandos/plugins.d \
408
191
plugins.d/askpass-fifo
409
install --mode=u=rwxs,go=rx \
410
--target-directory=$(LIBDIR)/mandos/plugins.d \
412
install --mode=u=rwxs,go=rx \
413
--target-directory=$(LIBDIR)/mandos/plugin-helpers \
414
plugin-helpers/mandos-client-iprouteadddel
415
192
install initramfs-tools-hook \
416
193
$(INITRAMFSTOOLS)/hooks/mandos
417
194
install --mode=u=rw,go=r initramfs-tools-hook-conf \
418
195
$(INITRAMFSTOOLS)/conf-hooks.d/mandos
419
196
install initramfs-tools-script \
420
$(INITRAMFSTOOLS)/scripts/init-premount/mandos
197
$(INITRAMFSTOOLS)/scripts/local-top/mandos
421
198
install --mode=u=rw,go=r plugin-runner.conf $(CONFDIR)
422
199
gzip --best --to-stdout mandos-keygen.8 \
423
200
> $(MANDIR)/man8/mandos-keygen.8.gz
424
201
gzip --best --to-stdout plugin-runner.8mandos \
425
202
> $(MANDIR)/man8/plugin-runner.8mandos.gz
203
gzip --best --to-stdout plugins.d/password-prompt.8mandos \
204
> $(MANDIR)/man8/password-prompt.8mandos.gz
426
205
gzip --best --to-stdout plugins.d/mandos-client.8mandos \
427
206
> $(MANDIR)/man8/mandos-client.8mandos.gz
428
gzip --best --to-stdout plugins.d/password-prompt.8mandos \
429
> $(MANDIR)/man8/password-prompt.8mandos.gz
430
gzip --best --to-stdout plugins.d/usplash.8mandos \
431
> $(MANDIR)/man8/usplash.8mandos.gz
432
gzip --best --to-stdout plugins.d/splashy.8mandos \
433
> $(MANDIR)/man8/splashy.8mandos.gz
434
gzip --best --to-stdout plugins.d/askpass-fifo.8mandos \
435
> $(MANDIR)/man8/askpass-fifo.8mandos.gz
436
gzip --best --to-stdout plugins.d/plymouth.8mandos \
437
> $(MANDIR)/man8/plymouth.8mandos.gz
439
208
install-client: install-client-nokey
440
209
# Post-installation stuff
462
227
! grep --regexp='^ *[^ #].*keyscript=[^,=]*/mandos/' \
463
228
$(DESTDIR)/etc/crypttab
464
229
-rm --force $(PREFIX)/sbin/mandos-keygen \
465
$(LIBDIR)/mandos/plugin-runner \
466
$(LIBDIR)/mandos/plugins.d/password-prompt \
467
$(LIBDIR)/mandos/plugins.d/mandos-client \
468
$(LIBDIR)/mandos/plugins.d/usplash \
469
$(LIBDIR)/mandos/plugins.d/splashy \
470
$(LIBDIR)/mandos/plugins.d/askpass-fifo \
471
$(LIBDIR)/mandos/plugins.d/plymouth \
230
$(PREFIX)/lib/mandos/plugin-runner \
231
$(PREFIX)/lib/mandos/plugins.d/password-prompt \
232
$(PREFIX)/lib/mandos/plugins.d/mandos-client \
233
$(PREFIX)/lib/mandos/plugins.d/usplash \
234
$(PREFIX)/lib/mandos/plugins.d/splashy \
472
235
$(INITRAMFSTOOLS)/hooks/mandos \
473
236
$(INITRAMFSTOOLS)/conf-hooks.d/mandos \
474
$(INITRAMFSTOOLS)/scripts/init-premount/mandos \
237
$(INITRAMFSTOOLS)/scripts/local-top/mandos \
238
$(MANDIR)/man8/plugin-runner.8mandos.gz \
475
239
$(MANDIR)/man8/mandos-keygen.8.gz \
476
$(MANDIR)/man8/plugin-runner.8mandos.gz \
240
$(MANDIR)/man8/password-prompt.8mandos.gz \
477
241
$(MANDIR)/man8/mandos-client.8mandos.gz
478
$(MANDIR)/man8/password-prompt.8mandos.gz \
479
$(MANDIR)/man8/usplash.8mandos.gz \
480
$(MANDIR)/man8/splashy.8mandos.gz \
481
$(MANDIR)/man8/askpass-fifo.8mandos.gz \
482
$(MANDIR)/man8/plymouth.8mandos.gz \
483
-rmdir $(LIBDIR)/mandos/plugins.d $(CONFDIR)/plugins.d \
484
$(LIBDIR)/mandos $(CONFDIR) $(KEYDIR)
242
if [ "$(CONFDIR)" != "$(PREFIX)/lib/mandos" ]; then \
243
rm --force $(CONFDIR)/plugins.d/README; \
245
-rmdir $(PREFIX)/lib/mandos/plugins.d $(CONFDIR)/plugins.d \
246
$(PREFIX)/lib/mandos $(CONFDIR) $(KEYDIR)
485
247
update-initramfs -k all -u
487
249
purge: purge-server purge-client
489
251
purge-server: uninstall-server
490
252
-rm --force $(CONFDIR)/mandos.conf $(CONFDIR)/clients.conf \
491
$(DESTDIR)/etc/dbus-1/system.d/mandos.conf
492
253
$(DESTDIR)/etc/default/mandos \
493
254
$(DESTDIR)/etc/init.d/mandos \
494
$(SYSTEMD)/mandos.service \
495
$(DESTDIR)/run/mandos.pid \
496
255
$(DESTDIR)/var/run/mandos.pid
497
256
-rmdir $(CONFDIR)