xref: /aosp_15_r20/external/libcap/tests/Makefile (revision 2810ac1b38eead2603277920c78344c84ddf3aff) 
1#
2# NOTE the built tests are all designed to be run from this
3# working directory when built DYNAMIC=yes. That is, they
4# link to the shared libraries in ../libcap/ .
5#
6topdir=$(shell pwd)/..
7include ../Make.Rules
8#
9
10all:
11	@echo leave test building to test target
12
13install:
14	@echo nothing to install from tests
15
16ifeq ($(DYNAMIC),yes)
17LINKEXTRA=-Wl,-rpath,../libcap
18DEPS=../libcap/libcap.so
19ifeq ($(PTHREADS),yes)
20DEPS += ../libcap/libpsx.so
21endif
22else
23# For this build variant override the LDFLAGS to link statically from
24# libraries within the build tree. If you never want this, use
25# make DYNAMIC=yes ...
26LDFLAGS = --static
27DEPS=../libcap/libcap.a
28ifeq ($(PTHREADS),yes)
29DEPS +=  ../libcap/libpsx.a
30endif
31endif
32
33../libcap/libcap.so:
34	$(MAKE) -C ../libcap libcap.so
35
36../libcap/libcap.a:
37	$(MAKE) -C ../libcap libcap.a
38
39ifeq ($(PTHREADS),yes)
40../libcap/libpsx.so:
41	$(MAKE) -C ../libcap libpsx.so
42
43../libcap/libpsx.a:
44	$(MAKE) -C ../libcap libpsx.a
45endif
46
47../progs/tcapsh-static:
48	$(MAKE) -C ../progs tcapsh-static
49
50test:
51ifeq ($(PTHREADS),yes)
52	$(MAKE) run_psx_test run_libcap_psx_test
53endif
54
55sudotest: test
56	$(MAKE) run_uns_test
57	$(MAKE) run_libcap_launch_test
58ifeq ($(PTHREADS),yes)
59	$(MAKE) run_libcap_psx_launch_test run_exploit_test
60endif
61
62# unprivileged
63run_psx_test: psx_test
64	./psx_test
65
66psx_test: psx_test.c $(DEPS)
67	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $< -o $@ $(LINKEXTRA) $(LIBPSXLIB)
68
69run_libcap_psx_test: libcap_psx_test
70	./libcap_psx_test
71
72libcap_psx_test: libcap_psx_test.c $(DEPS)
73	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $< -o $@ $(LINKEXTRA) $(LIBCAPLIB) $(LIBPSXLIB)
74
75# privileged
76uns_test: uns_test.c $(DEPS)
77	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $< -o $@ $(LINKEXTRA) $(LIBCAPLIB)
78
79run_uns_test: uns_test
80	echo exit | $(SUDO) ./uns_test
81
82run_libcap_launch_test: libcap_launch_test noop ../progs/tcapsh-static
83	$(SUDO) ./libcap_launch_test
84
85run_libcap_psx_launch_test: libcap_psx_launch_test ../progs/tcapsh-static
86	$(SUDO) ./libcap_psx_launch_test
87
88libcap_launch_test: libcap_launch_test.c $(DEPS)
89	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) $< -o $@ $(LINKEXTRA) $(LIBCAPLIB)
90
91# This varies only slightly from the above insofar as it currently
92# only links in the pthreads fork support. TODO() we need to change
93# the source to do something interesting with pthreads.
94libcap_psx_launch_test: libcap_launch_test.c $(DEPS)
95	$(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -DWITH_PTHREADS $< -o $@ $(LINKEXTRA) $(LIBCAPLIB) $(LIBPSXLIB)
96
97
98# This test demonstrates that libpsx is needed to secure multithreaded
99# programs that link against libcap.
100run_exploit_test: exploit noexploit
101	@echo exploit should succeed
102	$(SUDO) ./exploit ; if [ $$? -ne 0 ]; then exit 0; else exit 1 ; fi
103	@echo exploit should fail
104	$(SUDO) ./noexploit ; if [ $$? -eq 0 ]; then exit 0; else exit 1 ; fi
105
106exploit: exploit.o $(DEPS)
107	$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ $(LINKEXTRA) $(LIBCAPLIB) -lpthread
108
109# Note, for some reason, the order of libraries is important to avoid
110# the exploit working for dynamic linking.
111noexploit: exploit.o $(DEPS)
112	$(CC) $(CFLAGS) $(LDFLAGS) $< -o $@ $(LINKEXTRA) $(LIBPSXLIB) $(LIBCAPLIB)
113
114# This one runs in a chroot with no shared library files.
115noop: noop.c
116	$(CC) $(CFLAGS) $(CPPFLAGS) $< -o $@ --static
117
118clean:
119	rm -f psx_test libcap_psx_test libcap_launch_test uns_test *~
120	rm -f libcap_launch_test libcap_psx_launch_test core noop
121	rm -f exploit noexploit exploit.o
122