Line data Source code
1 : /* SPDX-License-Identifier: LGPL-2.1+ */
2 :
3 : #include "escape.h"
4 : #include "fd-util.h"
5 : #include "fileio.h"
6 : #include "fs-util.h"
7 : #include "log.h"
8 : #include "serialize.h"
9 : #include "strv.h"
10 : #include "tests.h"
11 : #include "tmpfile-util.h"
12 :
13 : char long_string[LONG_LINE_MAX+1];
14 :
15 1 : static void test_serialize_item(void) {
16 1 : _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-serialize.XXXXXX";
17 1 : _cleanup_fclose_ FILE *f = NULL;
18 :
19 1 : assert_se(fmkostemp_safe(fn, "r+", &f) == 0);
20 1 : log_info("/* %s (%s) */", __func__, fn);
21 :
22 1 : assert_se(serialize_item(f, "a", NULL) == 0);
23 1 : assert_se(serialize_item(f, "a", "bbb") == 1);
24 1 : assert_se(serialize_item(f, "a", "bbb") == 1);
25 1 : assert_se(serialize_item(f, "a", long_string) == -EINVAL);
26 1 : assert_se(serialize_item(f, long_string, "a") == -EINVAL);
27 1 : assert_se(serialize_item(f, long_string, long_string) == -EINVAL);
28 :
29 1 : rewind(f);
30 :
31 1 : _cleanup_free_ char *line1 = NULL, *line2 = NULL, *line3 = NULL;
32 1 : assert_se(read_line(f, LONG_LINE_MAX, &line1) > 0);
33 1 : assert_se(streq(line1, "a=bbb"));
34 1 : assert_se(read_line(f, LONG_LINE_MAX, &line2) > 0);
35 1 : assert_se(streq(line2, "a=bbb"));
36 1 : assert_se(read_line(f, LONG_LINE_MAX, &line3) == 0);
37 1 : assert_se(streq(line3, ""));
38 1 : }
39 :
40 1 : static void test_serialize_item_escaped(void) {
41 1 : _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-serialize.XXXXXX";
42 1 : _cleanup_fclose_ FILE *f = NULL;
43 :
44 1 : assert_se(fmkostemp_safe(fn, "r+", &f) == 0);
45 1 : log_info("/* %s (%s) */", __func__, fn);
46 :
47 1 : assert_se(serialize_item_escaped(f, "a", NULL) == 0);
48 1 : assert_se(serialize_item_escaped(f, "a", "bbb") == 1);
49 1 : assert_se(serialize_item_escaped(f, "a", "bbb") == 1);
50 1 : assert_se(serialize_item_escaped(f, "a", long_string) == -EINVAL);
51 1 : assert_se(serialize_item_escaped(f, long_string, "a") == -EINVAL);
52 1 : assert_se(serialize_item_escaped(f, long_string, long_string) == -EINVAL);
53 :
54 1 : rewind(f);
55 :
56 1 : _cleanup_free_ char *line1 = NULL, *line2 = NULL, *line3 = NULL;
57 1 : assert_se(read_line(f, LONG_LINE_MAX, &line1) > 0);
58 1 : assert_se(streq(line1, "a=bbb"));
59 1 : assert_se(read_line(f, LONG_LINE_MAX, &line2) > 0);
60 1 : assert_se(streq(line2, "a=bbb"));
61 1 : assert_se(read_line(f, LONG_LINE_MAX, &line3) == 0);
62 1 : assert_se(streq(line3, ""));
63 1 : }
64 :
65 1 : static void test_serialize_usec(void) {
66 1 : _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-serialize.XXXXXX";
67 1 : _cleanup_fclose_ FILE *f = NULL;
68 :
69 1 : assert_se(fmkostemp_safe(fn, "r+", &f) == 0);
70 1 : log_info("/* %s (%s) */", __func__, fn);
71 :
72 1 : assert_se(serialize_usec(f, "usec1", USEC_INFINITY) == 0);
73 1 : assert_se(serialize_usec(f, "usec2", 0) == 1);
74 1 : assert_se(serialize_usec(f, "usec3", USEC_INFINITY-1) == 1);
75 :
76 1 : rewind(f);
77 :
78 1 : _cleanup_free_ char *line1 = NULL, *line2 = NULL;
79 : usec_t x;
80 :
81 1 : assert_se(read_line(f, LONG_LINE_MAX, &line1) > 0);
82 1 : assert_se(streq(line1, "usec2=0"));
83 1 : assert_se(deserialize_usec(line1 + 6, &x) == 0);
84 1 : assert_se(x == 0);
85 :
86 1 : assert_se(read_line(f, LONG_LINE_MAX, &line2) > 0);
87 1 : assert_se(startswith(line2, "usec3="));
88 1 : assert_se(deserialize_usec(line2 + 6, &x) == 0);
89 1 : assert_se(x == USEC_INFINITY-1);
90 1 : }
91 :
92 1 : static void test_serialize_strv(void) {
93 1 : _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-serialize.XXXXXX";
94 1 : _cleanup_fclose_ FILE *f = NULL;
95 :
96 1 : char **strv = STRV_MAKE("a", "b", "foo foo",
97 : "nasty1 \"",
98 : "\"nasty2 ",
99 : "nasty3 '",
100 : "\"nasty4 \"",
101 : "nasty5\n",
102 : "\nnasty5\nfoo=bar",
103 : "\nnasty5\nfoo=bar");
104 :
105 1 : assert_se(fmkostemp_safe(fn, "r+", &f) == 0);
106 1 : log_info("/* %s (%s) */", __func__, fn);
107 :
108 1 : assert_se(serialize_strv(f, "strv1", NULL) == 0);
109 1 : assert_se(serialize_strv(f, "strv2", STRV_MAKE_EMPTY) == 0);
110 1 : assert_se(serialize_strv(f, "strv3", strv) == 1);
111 1 : assert_se(serialize_strv(f, "strv4", STRV_MAKE(long_string)) == -EINVAL);
112 :
113 1 : rewind(f);
114 :
115 2 : _cleanup_strv_free_ char **strv2 = NULL;
116 10 : for (;;) {
117 11 : _cleanup_free_ char *line = NULL;
118 : int r;
119 :
120 11 : r = read_line(f, LONG_LINE_MAX, &line);
121 11 : if (r == 0)
122 1 : break;
123 10 : assert_se(r > 0);
124 :
125 10 : const char *t = startswith(line, "strv3=");
126 10 : assert_se(t);
127 :
128 : char *un;
129 10 : assert_se(cunescape(t, 0, &un) >= 0);
130 10 : assert_se(strv_consume(&strv2, un) >= 0);
131 : }
132 :
133 1 : assert_se(strv_equal(strv, strv2));
134 1 : }
135 :
136 1 : static void test_deserialize_environment(void) {
137 1 : _cleanup_strv_free_ char **env;
138 :
139 1 : log_info("/* %s */", __func__);
140 :
141 1 : assert_se(env = strv_new("A=1"));
142 :
143 1 : assert_se(deserialize_environment("B=2", &env) >= 0);
144 1 : assert_se(deserialize_environment("FOO%%=a\\177b\\nc\\td e", &env) >= 0);
145 :
146 1 : assert_se(strv_equal(env, STRV_MAKE("A=1", "B=2", "FOO%%=a\177b\nc\td e")));
147 :
148 1 : assert_se(deserialize_environment("foo\\", &env) < 0);
149 1 : assert_se(deserialize_environment("bar\\_baz", &env) < 0);
150 1 : }
151 :
152 1 : static void test_serialize_environment(void) {
153 1 : _cleanup_strv_free_ char **env = NULL, **env2 = NULL;
154 1 : _cleanup_(unlink_tempfilep) char fn[] = "/tmp/test-env-util.XXXXXXX";
155 1 : _cleanup_fclose_ FILE *f = NULL;
156 : int r;
157 :
158 1 : assert_se(fmkostemp_safe(fn, "r+", &f) == 0);
159 1 : log_info("/* %s (%s) */", __func__, fn);
160 :
161 1 : assert_se(env = strv_new("A=1",
162 : "B=2",
163 : "C=ąęółń",
164 : "D=D=a\\x0Ab",
165 : "FOO%%=a\177b\nc\td e"));
166 :
167 1 : assert_se(serialize_strv(f, "env", env) == 1);
168 1 : assert_se(fflush_and_check(f) == 0);
169 :
170 1 : rewind(f);
171 :
172 5 : for (;;) {
173 6 : _cleanup_free_ char *line = NULL;
174 : const char *l;
175 :
176 6 : r = read_line(f, LONG_LINE_MAX, &line);
177 6 : assert_se(r >= 0);
178 :
179 6 : if (r == 0)
180 1 : break;
181 :
182 5 : l = strstrip(line);
183 :
184 5 : assert_se(startswith(l, "env="));
185 :
186 5 : r = deserialize_environment(l+4, &env2);
187 5 : assert_se(r >= 0);
188 : }
189 1 : assert_se(feof(f));
190 :
191 1 : assert_se(strv_equal(env, env2));
192 1 : }
193 :
194 1 : int main(int argc, char *argv[]) {
195 1 : test_setup_logging(LOG_INFO);
196 :
197 1 : memset(long_string, 'x', sizeof(long_string)-1);
198 1 : char_array_0(long_string);
199 :
200 1 : test_serialize_item();
201 1 : test_serialize_item_escaped();
202 1 : test_serialize_usec();
203 1 : test_serialize_strv();
204 1 : test_deserialize_environment();
205 1 : test_serialize_environment();
206 :
207 1 : return EXIT_SUCCESS;
208 : }
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