1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3 #include <stdio.h>
4
5 #include "alloc-util.h"
6 #include "fstab-util.h"
7 #include "log.h"
8 #include "string-util.h"
9 #include "strv.h"
10 #include "tests.h"
11
12 /*
13 int fstab_filter_options(
14 const char *opts,
15 const char *names,
16 const char **ret_namefound,
17 const char **ret_value,
18 const char **ret_values,
19 char **ret_filtered);
20 */
21
do_fstab_filter_options(const char * opts,const char * remove,int r_expected,int r_values_expected,const char * name_expected,const char * value_expected,const char * values_expected,const char * filtered_expected)22 static void do_fstab_filter_options(const char *opts,
23 const char *remove,
24 int r_expected,
25 int r_values_expected,
26 const char *name_expected,
27 const char *value_expected,
28 const char *values_expected,
29 const char *filtered_expected) {
30 int r;
31 const char *name;
32 _cleanup_free_ char *value = NULL, *filtered = NULL, *joined = NULL;
33 _cleanup_strv_free_ char **values = NULL;
34
35 /* test mode which returns the last value */
36
37 r = fstab_filter_options(opts, remove, &name, &value, NULL, &filtered);
38 log_info("1: \"%s\" → %d, \"%s\", \"%s\", \"%s\", expected %d, \"%s\", \"%s\", \"%s\"",
39 opts, r, strnull(name), value, filtered,
40 r_expected, name_expected, value_expected, filtered_expected ?: opts);
41 assert_se(r == r_expected);
42 assert_se(streq_ptr(name, name_expected));
43 assert_se(streq_ptr(value, value_expected));
44 assert_se(streq_ptr(filtered, filtered_expected ?: opts));
45
46 /* test mode which returns all the values */
47
48 r = fstab_filter_options(opts, remove, &name, NULL, &values, NULL);
49 assert_se(joined = strv_join(values, ":"));
50 log_info("2: \"%s\" → %d, \"%s\", \"%s\", expected %d, \"%s\", \"%s\"",
51 opts, r, strnull(name), joined,
52 r_values_expected, name_expected, values_expected);
53 assert_se(r == r_values_expected);
54 assert_se(streq_ptr(name, r_values_expected > 0 ? name_expected : NULL));
55 assert_se(streq_ptr(joined, values_expected));
56
57 /* also test the malloc-less mode */
58 r = fstab_filter_options(opts, remove, &name, NULL, NULL, NULL);
59 log_info("3: \"%s\" → %d, \"%s\", expected %d, \"%s\"\n-",
60 opts, r, strnull(name),
61 r_expected, name_expected);
62 assert_se(r == r_expected);
63 assert_se(streq_ptr(name, name_expected));
64 }
65
TEST(fstab_filter_options)66 TEST(fstab_filter_options) {
67 do_fstab_filter_options("opt=0", "opt\0x-opt\0", 1, 1, "opt", "0", "0", "");
68 do_fstab_filter_options("opt=0", "x-opt\0opt\0", 1, 1, "opt", "0", "0", "");
69 do_fstab_filter_options("opt", "opt\0x-opt\0", 1, 0, "opt", NULL, "", "");
70 do_fstab_filter_options("opt", "x-opt\0opt\0", 1, 0, "opt", NULL, "", "");
71 do_fstab_filter_options("x-opt", "x-opt\0opt\0", 1, 0, "x-opt", NULL, "", "");
72
73 do_fstab_filter_options("opt=0,other", "opt\0x-opt\0", 1, 1, "opt", "0", "0", "other");
74 do_fstab_filter_options("opt=0,other", "x-opt\0opt\0", 1, 1, "opt", "0", "0", "other");
75 do_fstab_filter_options("opt,other", "opt\0x-opt\0", 1, 0, "opt", NULL, "", "other");
76 do_fstab_filter_options("opt,other", "x-opt\0opt\0", 1, 0, "opt", NULL, "", "other");
77 do_fstab_filter_options("x-opt,other", "opt\0x-opt\0", 1, 0, "x-opt", NULL, "", "other");
78
79 do_fstab_filter_options("opt=0\\,1,other", "opt\0x-opt\0", 1, 1, "opt", "0,1", "0,1", "other");
80 do_fstab_filter_options("opt=0,other,x-opt\\,foobar", "x-opt\0opt\0", 1, 1, "opt", "0", "0", "other,x-opt\\,foobar");
81 do_fstab_filter_options("opt,other,x-opt\\,part", "opt\0x-opt\0", 1, 0, "opt", NULL, "", "other,x-opt\\,part");
82 do_fstab_filter_options("opt,other,part\\,x-opt", "x-opt\0opt\0", 1, 0, "opt", NULL, "", "other,part\\,x-opt");
83 do_fstab_filter_options("opt,other\\,\\,\\,opt,x-part", "opt\0x-opt\0", 1, 0, "opt", NULL, "", "other\\,\\,\\,opt,x-part");
84
85 do_fstab_filter_options("opto=0,other", "opt\0x-opt\0", 0, 0, NULL, NULL, "", NULL);
86 do_fstab_filter_options("opto,other", "opt\0x-opt\0", 0, 0, NULL, NULL, "", NULL);
87 do_fstab_filter_options("x-opto,other", "opt\0x-opt\0", 0, 0, NULL, NULL, "", NULL);
88
89 do_fstab_filter_options("first,opt=0", "opt\0x-opt\0", 1, 1, "opt", "0", "0", "first");
90 do_fstab_filter_options("first=1,opt=0", "opt\0x-opt\0", 1, 1, "opt", "0", "0", "first=1");
91 do_fstab_filter_options("first,opt=", "opt\0x-opt\0", 1, 1, "opt", "", "", "first");
92 do_fstab_filter_options("first=1,opt", "opt\0x-opt\0", 1, 0, "opt", NULL, "", "first=1");
93 do_fstab_filter_options("first=1,x-opt", "opt\0x-opt\0", 1, 0, "x-opt", NULL, "", "first=1");
94
95 do_fstab_filter_options("first,opt=0,last=1", "opt\0x-opt\0", 1, 1, "opt", "0", "0", "first,last=1");
96 do_fstab_filter_options("first=1,opt=0,last=2", "x-opt\0opt\0", 1, 1, "opt", "0", "0", "first=1,last=2");
97 do_fstab_filter_options("first,opt,last", "opt\0", 1, 0, "opt", NULL, "", "first,last");
98 do_fstab_filter_options("first=1,opt,last", "x-opt\0opt\0", 1, 0, "opt", NULL, "", "first=1,last");
99 do_fstab_filter_options("first=,opt,last", "opt\0noopt\0", 1, 0, "opt", NULL, "", "first=,last");
100
101 /* check repeated options */
102 do_fstab_filter_options("first,opt=0,noopt=1,last=1", "opt\0noopt\0", 1, 1, "noopt", "1", "0:1", "first,last=1");
103 do_fstab_filter_options("first=1,opt=0,last=2,opt=1", "opt\0", 1, 1, "opt", "1", "0:1", "first=1,last=2");
104 do_fstab_filter_options("x-opt=0,x-opt=1", "opt\0x-opt\0", 1, 1, "x-opt", "1", "0:1", "");
105 do_fstab_filter_options("opt=0,x-opt=1", "opt\0x-opt\0", 1, 1, "x-opt", "1", "0:1", "");
106 do_fstab_filter_options("opt=0,opt=1,opt=,opt=,opt=2", "opt\0noopt\0", 1, 1, "opt", "2", "0:1:::2", "");
107
108 /* check that semicolons are not misinterpreted */
109 do_fstab_filter_options("opt=0;", "opt\0", 1, 1, "opt", "0;", "0;", "");
110 do_fstab_filter_options("opt;=0", "x-opt\0opt\0noopt\0x-noopt\0", 0, 0, NULL, NULL, "", NULL);
111 do_fstab_filter_options("opt;", "opt\0x-opt\0", 0, 0, NULL, NULL, "", NULL);
112
113 /* check that spaces are not misinterpreted */
114 do_fstab_filter_options("opt=0 ", "opt\0", 1, 1, "opt", "0 ", "0 ", "");
115 do_fstab_filter_options("opt =0", "x-opt\0opt\0noopt\0x-noopt\0", 0, 0, NULL, NULL, "", NULL);
116 do_fstab_filter_options(" opt ", "opt\0x-opt\0", 0, 0, NULL, NULL, "", NULL);
117
118 /* check function with NULL args */
119 do_fstab_filter_options(NULL, "opt\0", 0, 0, NULL, NULL, "", "");
120 do_fstab_filter_options("", "opt\0", 0, 0, NULL, NULL, "", "");
121
122 /* unnecessary comma separators */
123 do_fstab_filter_options("opt=x,,,,", "opt\0", 1, 1, "opt", "x", "x", "");
124 do_fstab_filter_options(",,,opt=x,,,,", "opt\0", 1, 1, "opt", "x", "x", "");
125
126 /* escaped characters */
127 do_fstab_filter_options("opt1=\\\\,opt2=\\xff", "opt1\0", 1, 1, "opt1", "\\", "\\", "opt2=\\xff");
128 do_fstab_filter_options("opt1=\\\\,opt2=\\xff", "opt2\0", 1, 1, "opt2", "\\xff", "\\xff", "opt1=\\");
129 }
130
TEST(fstab_find_pri)131 TEST(fstab_find_pri) {
132 int pri = -1;
133
134 assert_se(fstab_find_pri("pri", &pri) == 0);
135 assert_se(pri == -1);
136
137 assert_se(fstab_find_pri("pri=11", &pri) == 1);
138 assert_se(pri == 11);
139
140 assert_se(fstab_find_pri("pri=-2", &pri) == 1);
141 assert_se(pri == -2);
142
143 assert_se(fstab_find_pri("opt,pri=12,opt", &pri) == 1);
144 assert_se(pri == 12);
145
146 assert_se(fstab_find_pri("opt,opt,pri=12,pri=13", &pri) == 1);
147 assert_se(pri == 13);
148 }
149
TEST(fstab_yes_no_option)150 TEST(fstab_yes_no_option) {
151 assert_se(fstab_test_yes_no_option("nofail,fail,nofail", "nofail\0fail\0") == true);
152 assert_se(fstab_test_yes_no_option("nofail,nofail,fail", "nofail\0fail\0") == false);
153 assert_se(fstab_test_yes_no_option("abc,cde,afail", "nofail\0fail\0") == false);
154 assert_se(fstab_test_yes_no_option("nofail,fail=0,nofail=0", "nofail\0fail\0") == true);
155 assert_se(fstab_test_yes_no_option("nofail,nofail=0,fail=0", "nofail\0fail\0") == false);
156 }
157
TEST(fstab_node_to_udev_node)158 TEST(fstab_node_to_udev_node) {
159 char *n;
160
161 n = fstab_node_to_udev_node("LABEL=applé/jack");
162 puts(n);
163 assert_se(streq(n, "/dev/disk/by-label/applé\\x2fjack"));
164 free(n);
165
166 n = fstab_node_to_udev_node("PARTLABEL=pinkié pie");
167 puts(n);
168 assert_se(streq(n, "/dev/disk/by-partlabel/pinkié\\x20pie"));
169 free(n);
170
171 n = fstab_node_to_udev_node("UUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
172 puts(n);
173 assert_se(streq(n, "/dev/disk/by-uuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
174 free(n);
175
176 n = fstab_node_to_udev_node("PARTUUID=037b9d94-148e-4ee4-8d38-67bfe15bb535");
177 puts(n);
178 assert_se(streq(n, "/dev/disk/by-partuuid/037b9d94-148e-4ee4-8d38-67bfe15bb535"));
179 free(n);
180
181 n = fstab_node_to_udev_node("PONIES=awesome");
182 puts(n);
183 assert_se(streq(n, "PONIES=awesome"));
184 free(n);
185
186 n = fstab_node_to_udev_node("/dev/xda1");
187 puts(n);
188 assert_se(streq(n, "/dev/xda1"));
189 free(n);
190 }
191
192 DEFINE_TEST_MAIN(LOG_INFO);
193