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6c03089c LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2013 Zbigniew Jędrzejewski-Szmek | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
96cde13a ZJS |
22 | #include <assert.h> |
23 | ||
24 | #include "util.h" | |
25 | #include "cgroup-util.h" | |
26 | ||
7027ff61 | 27 | static void check_p_d_u(const char *path, int code, const char *result) { |
6c03089c | 28 | _cleanup_free_ char *unit = NULL; |
96cde13a | 29 | |
7027ff61 | 30 | assert_se(cg_path_decode_unit(path, &unit) == code); |
6c03089c LP |
31 | assert_se(streq_ptr(unit, result)); |
32 | } | |
96cde13a | 33 | |
7027ff61 | 34 | static void test_path_decode_unit(void) { |
ae018d9b LP |
35 | check_p_d_u("getty@.service/getty@tty2.service", 0, "getty@tty2.service"); |
36 | check_p_d_u("getty@.service/getty@tty2.service/xxx", 0, "getty@tty2.service"); | |
7027ff61 LP |
37 | check_p_d_u("getty@.service/", -EINVAL, NULL); |
38 | check_p_d_u("getty@.service", -EINVAL, NULL); | |
39 | check_p_d_u("getty.service", 0, "getty.service"); | |
40 | check_p_d_u("getty", -EINVAL, NULL); | |
6c03089c LP |
41 | } |
42 | ||
43 | static void check_p_g_u(const char *path, int code, const char *result) { | |
44 | _cleanup_free_ char *unit = NULL; | |
45 | ||
46 | assert_se(cg_path_get_unit(path, &unit) == code); | |
47 | assert_se(streq_ptr(unit, result)); | |
48 | } | |
49 | ||
9444b1f2 LP |
50 | static void test_path_get_unit(void) { |
51 | check_p_g_u("/system.slice/foobar.service/sdfdsaf", 0, "foobar.service"); | |
52 | check_p_g_u("/system.slice/getty@.service/getty@tty5.service", 0, "getty@tty5.service"); | |
53 | check_p_g_u("/system.slice/getty@.service/getty@tty5.service/aaa/bbb", 0, "getty@tty5.service"); | |
54 | check_p_g_u("/system.slice/getty@.service/getty@tty5.service/", 0, "getty@tty5.service"); | |
55 | check_p_g_u("/system.slice/getty@tty6.service/tty5", 0, "getty@tty6.service"); | |
56 | check_p_g_u("sadfdsafsda", -EINVAL, NULL); | |
57 | check_p_g_u("/system.slice/getty####@tty6.service/tty5", -EINVAL, NULL); | |
58 | check_p_g_u("/system.slice/system-waldo.slice/foobar.service/sdfdsaf", 0, "foobar.service"); | |
59 | } | |
60 | ||
6c03089c LP |
61 | static void check_p_g_u_u(const char *path, int code, const char *result) { |
62 | _cleanup_free_ char *unit = NULL; | |
63 | ||
64 | assert_se(cg_path_get_user_unit(path, &unit) == code); | |
65 | assert_se(streq_ptr(unit, result)); | |
66 | } | |
67 | ||
9444b1f2 LP |
68 | static void test_path_get_user_unit(void) { |
69 | check_p_g_u_u("/user.slice/1000.user/2.session/systemd-21548/foobar.service", 0, "foobar.service"); | |
70 | check_p_g_u_u("/user.slice/1002.user/2.session/systemd-21548/foobar.service/waldo", 0, "foobar.service"); | |
71 | check_p_g_u_u("/user.slice/1000.user/2.session/systemd-21548/foobar.service/waldo/uuuux", 0, "foobar.service"); | |
72 | check_p_g_u_u("/user.slice/1000.user/2.session/systemd-21548/waldo/waldo/uuuux", -EINVAL, NULL); | |
73 | check_p_g_u_u("/user.slice/1000.user/2.session/foobar.service", 0, "foobar.service"); | |
74 | check_p_g_u_u("/user.slice/1000.user/2.session/systemd-21548/foobar@.service/foobar@pie.service/pa/po", 0, "foobar@pie.service"); | |
75 | check_p_g_u_u("/2.session/systemd-21548/foobar@.service/foobar@pie.service/pa/po", 0, "foobar@pie.service"); | |
76 | check_p_g_u_u("/xyz.slice/xyz-waldo.slice/77.session/systemd-21548/foobar@.service/foobar@pie.service/pa/po", 0, "foobar@pie.service"); | |
77 | check_p_g_u_u("/meh.service", -ENOENT, NULL); | |
7027ff61 | 78 | } |
6c03089c | 79 | |
9444b1f2 LP |
80 | static void check_p_g_s(const char *path, int code, const char *result) { |
81 | _cleanup_free_ char *s = NULL; | |
82 | ||
83 | assert_se(cg_path_get_session(path, &s) == code); | |
84 | assert_se(streq_ptr(s, result)); | |
96cde13a ZJS |
85 | } |
86 | ||
9444b1f2 LP |
87 | static void test_path_get_session(void) { |
88 | check_p_g_s("/user.slice/1000.user/2.session/systemd-21548/foobar.service", 0, "2"); | |
89 | check_p_g_s("/3.session", 0, "3"); | |
90 | check_p_g_s("", -ENOENT, 0); | |
91 | } | |
7027ff61 | 92 | |
9444b1f2 LP |
93 | static void check_p_g_o_u(const char *path, int code, uid_t result) { |
94 | uid_t uid = 0; | |
7027ff61 | 95 | |
9444b1f2 LP |
96 | assert_se(cg_path_get_owner_uid(path, &uid) == code); |
97 | assert_se(uid == result); | |
98 | } | |
99 | ||
100 | static void test_path_get_owner_uid(void) { | |
101 | check_p_g_o_u("/user.slice/1000.user/2.session/systemd-21548/foobar.service", 0, 1000); | |
102 | check_p_g_o_u("/1006.user", 0, 1006); | |
103 | check_p_g_o_u("", -ENOENT, 0); | |
104 | } | |
7027ff61 | 105 | |
9444b1f2 LP |
106 | static void check_p_g_m_n(const char *path, int code, const char *result) { |
107 | _cleanup_free_ char *m = NULL; | |
7027ff61 | 108 | |
9444b1f2 LP |
109 | assert_se(cg_path_get_machine_name(path, &m) == code); |
110 | assert_se(streq_ptr(m, result)); | |
111 | } | |
112 | ||
113 | static void test_path_get_machine_name(void) { | |
114 | check_p_g_m_n("/user.slice/foobar.machine", 0, "foobar"); | |
115 | check_p_g_m_n("/foobar.machine", 0, "foobar"); | |
116 | check_p_g_m_n("/user.slice/user-kuux.slice/foobar.machine", 0, "foobar"); | |
117 | check_p_g_m_n("/user.slice/user-kuux.slice/foobar.machine/asjhdkj", 0, "foobar"); | |
118 | check_p_g_m_n("", -ENOENT, NULL); | |
119 | } | |
120 | ||
121 | static void test_get_paths(void) { | |
122 | _cleanup_free_ char *a = NULL; | |
123 | ||
124 | assert_se(cg_get_root_path(&a) >= 0); | |
125 | log_info("Root = %s", a); | |
7027ff61 LP |
126 | } |
127 | ||
aff38e74 LP |
128 | static void test_proc(void) { |
129 | _cleanup_closedir_ DIR *d = NULL; | |
130 | struct dirent *de; | |
131 | int r; | |
132 | ||
133 | d = opendir("/proc"); | |
134 | assert_se(d); | |
135 | ||
136 | FOREACH_DIRENT(de, d, break) { | |
137 | _cleanup_free_ char *path = NULL, *path_shifted = NULL, *session = NULL, *unit = NULL, *user_unit = NULL, *machine = NULL, *prefix = NULL; | |
138 | pid_t pid; | |
ae018d9b | 139 | uid_t uid = (uid_t) -1; |
aff38e74 LP |
140 | |
141 | if (de->d_type != DT_DIR && | |
142 | de->d_type != DT_UNKNOWN) | |
143 | continue; | |
144 | ||
145 | r = parse_pid(de->d_name, &pid); | |
146 | if (r < 0) | |
147 | continue; | |
148 | ||
ae018d9b LP |
149 | if (is_kernel_thread(pid)) |
150 | continue; | |
151 | ||
aff38e74 LP |
152 | cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, pid, &path); |
153 | cg_pid_get_path_shifted(pid, &prefix, &path_shifted); | |
ae018d9b | 154 | cg_pid_get_owner_uid(pid, &uid); |
aff38e74 LP |
155 | cg_pid_get_session(pid, &session); |
156 | cg_pid_get_unit(pid, &unit); | |
157 | cg_pid_get_user_unit(pid, &user_unit); | |
158 | cg_pid_get_machine_name(pid, &machine); | |
159 | ||
ae018d9b | 160 | printf("%lu\t%s\t%s\t%s\t%lu\t%s\t%s\t%s\t%s\n", |
aff38e74 LP |
161 | (unsigned long) pid, |
162 | path, | |
163 | prefix, | |
164 | path_shifted, | |
ae018d9b | 165 | (unsigned long) uid, |
aff38e74 LP |
166 | session, |
167 | unit, | |
168 | user_unit, | |
169 | machine); | |
170 | } | |
171 | } | |
172 | ||
ae018d9b LP |
173 | static void test_escape_one(const char *s, const char *r) { |
174 | _cleanup_free_ char *b; | |
175 | ||
176 | b = cg_escape(s); | |
177 | assert_se(b); | |
178 | assert_se(streq(b, r)); | |
179 | ||
180 | assert_se(streq(cg_unescape(b), s)); | |
181 | } | |
182 | ||
183 | static void test_escape(void) { | |
184 | test_escape_one("foobar", "foobar"); | |
a0ab5665 | 185 | test_escape_one(".foobar", "_.foobar"); |
ae018d9b LP |
186 | test_escape_one("foobar.service", "foobar.service"); |
187 | test_escape_one("cgroup.service", "_cgroup.service"); | |
188 | test_escape_one("cpu.service", "_cpu.service"); | |
189 | test_escape_one("tasks", "_tasks"); | |
190 | test_escape_one("_foobar", "__foobar"); | |
a0ab5665 LP |
191 | test_escape_one("", "_"); |
192 | test_escape_one("_", "__"); | |
193 | test_escape_one(".", "_."); | |
ae018d9b LP |
194 | } |
195 | ||
78edb35a LP |
196 | static void test_controller_is_valid(void) { |
197 | assert_se(cg_controller_is_valid("foobar", false)); | |
198 | assert_se(cg_controller_is_valid("foo_bar", false)); | |
199 | assert_se(cg_controller_is_valid("name=foo", true)); | |
200 | assert_se(!cg_controller_is_valid("", false)); | |
201 | assert_se(!cg_controller_is_valid("name=", true)); | |
202 | assert_se(!cg_controller_is_valid("=", false)); | |
203 | assert_se(!cg_controller_is_valid("cpu,cpuacct", false)); | |
204 | assert_se(!cg_controller_is_valid("_", false)); | |
205 | assert_se(!cg_controller_is_valid("_foobar", false)); | |
206 | assert_se(!cg_controller_is_valid("tatü", false)); | |
207 | } | |
208 | ||
a016b922 LP |
209 | static void test_slice_to_path_one(const char *unit, const char *path, int error) { |
210 | _cleanup_free_ char *ret = NULL; | |
211 | ||
212 | assert_se(cg_slice_to_path(unit, &ret) == error); | |
213 | assert_se(streq_ptr(ret, path)); | |
214 | } | |
215 | ||
216 | static void test_slice_to_path(void) { | |
217 | ||
218 | test_slice_to_path_one("foobar.slice", "foobar.slice", 0); | |
219 | test_slice_to_path_one("foobar-waldo.slice", "foobar.slice/foobar-waldo.slice", 0); | |
220 | test_slice_to_path_one("foobar-waldo.service", NULL, -EINVAL); | |
221 | test_slice_to_path_one("-.slice", NULL, -EINVAL); | |
222 | test_slice_to_path_one("-foo-.slice", NULL, -EINVAL); | |
223 | test_slice_to_path_one("-foo.slice", NULL, -EINVAL); | |
224 | test_slice_to_path_one("a-b.slice", "a.slice/a-b.slice", 0); | |
225 | test_slice_to_path_one("a-b-c-d-e.slice", "a.slice/a-b.slice/a-b-c.slice/a-b-c-d.slice/a-b-c-d-e.slice", 0); | |
226 | } | |
227 | ||
96cde13a | 228 | int main(void) { |
7027ff61 | 229 | test_path_decode_unit(); |
6c03089c | 230 | test_path_get_unit(); |
7027ff61 | 231 | test_path_get_user_unit(); |
9444b1f2 LP |
232 | test_path_get_session(); |
233 | test_path_get_owner_uid(); | |
234 | test_path_get_machine_name(); | |
7027ff61 | 235 | test_get_paths(); |
aff38e74 | 236 | test_proc(); |
ae018d9b | 237 | test_escape(); |
78edb35a | 238 | test_controller_is_valid(); |
a016b922 | 239 | test_slice_to_path(); |
96cde13a ZJS |
240 | |
241 | return 0; | |
242 | } |