1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 This file is part of systemd.
5 Copyright 2011 Lennart Poettering
10 #include "sd-daemon.h"
13 #include "alloc-util.h"
16 #include "id128-util.h"
18 #include "string-util.h"
21 #define ID128_WALDI SD_ID128_MAKE(01, 02, 03, 04, 05, 06, 07, 08, 09, 0a, 0b, 0c, 0d, 0e, 0f, 10)
22 #define STR_WALDI "0102030405060708090a0b0c0d0e0f10"
23 #define UUID_WALDI "01020304-0506-0708-090a-0b0c0d0e0f10"
25 int main(int argc, char *argv[]) {
28 _cleanup_free_ char *b = NULL;
29 _cleanup_close_ int fd = -1;
32 assert_se(sd_id128_randomize(&id) == 0);
33 printf("random: %s\n", sd_id128_to_string(id, t));
35 assert_se(sd_id128_from_string(t, &id2) == 0);
36 assert_se(sd_id128_equal(id, id2));
38 if (sd_booted() > 0) {
39 assert_se(sd_id128_get_machine(&id) == 0);
40 printf("machine: %s\n", sd_id128_to_string(id, t));
42 assert_se(sd_id128_get_boot(&id) == 0);
43 printf("boot: %s\n", sd_id128_to_string(id, t));
46 printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t));
47 assert_se(streq(t, STR_WALDI));
49 assert_se(asprintf(&b, SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 32);
50 printf("waldi2: %s\n", b);
51 assert_se(streq(t, b));
53 printf("waldi3: %s\n", id128_to_uuid_string(ID128_WALDI, q));
54 assert_se(streq(q, UUID_WALDI));
57 assert_se(asprintf(&b, ID128_UUID_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 36);
58 printf("waldi4: %s\n", b);
59 assert_se(streq(q, b));
61 assert_se(sd_id128_from_string(STR_WALDI, &id) >= 0);
62 assert_se(sd_id128_equal(id, ID128_WALDI));
64 assert_se(sd_id128_from_string(UUID_WALDI, &id) >= 0);
65 assert_se(sd_id128_equal(id, ID128_WALDI));
67 assert_se(sd_id128_from_string("", &id) < 0);
68 assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f101", &id) < 0);
69 assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f10-", &id) < 0);
70 assert_se(sd_id128_from_string("01020304-0506-0708-090a0b0c0d0e0f10", &id) < 0);
71 assert_se(sd_id128_from_string("010203040506-0708-090a-0b0c0d0e0f10", &id) < 0);
73 assert_se(id128_is_valid(STR_WALDI));
74 assert_se(id128_is_valid(UUID_WALDI));
75 assert_se(!id128_is_valid(""));
76 assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f101"));
77 assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f10-"));
78 assert_se(!id128_is_valid("01020304-0506-0708-090a0b0c0d0e0f10"));
79 assert_se(!id128_is_valid("010203040506-0708-090a-0b0c0d0e0f10"));
81 fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC);
84 /* First, write as UUID */
85 assert_se(sd_id128_randomize(&id) >= 0);
86 assert_se(id128_write_fd(fd, ID128_UUID, id, false) >= 0);
88 assert_se(lseek(fd, 0, SEEK_SET) == 0);
89 assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
91 assert_se(lseek(fd, 0, SEEK_SET) == 0);
92 assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
93 assert_se(sd_id128_equal(id, id2));
95 assert_se(lseek(fd, 0, SEEK_SET) == 0);
96 assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
97 assert_se(sd_id128_equal(id, id2));
99 /* Second, write as plain */
100 assert_se(lseek(fd, 0, SEEK_SET) == 0);
101 assert_se(ftruncate(fd, 0) >= 0);
103 assert_se(sd_id128_randomize(&id) >= 0);
104 assert_se(id128_write_fd(fd, ID128_PLAIN, id, false) >= 0);
106 assert_se(lseek(fd, 0, SEEK_SET) == 0);
107 assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
109 assert_se(lseek(fd, 0, SEEK_SET) == 0);
110 assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
111 assert_se(sd_id128_equal(id, id2));
113 assert_se(lseek(fd, 0, SEEK_SET) == 0);
114 assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
115 assert_se(sd_id128_equal(id, id2));
117 /* Third, write plain without trailing newline */
118 assert_se(lseek(fd, 0, SEEK_SET) == 0);
119 assert_se(ftruncate(fd, 0) >= 0);
121 assert_se(sd_id128_randomize(&id) >= 0);
122 assert_se(write(fd, sd_id128_to_string(id, t), 32) == 32);
124 assert_se(lseek(fd, 0, SEEK_SET) == 0);
125 assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
127 assert_se(lseek(fd, 0, SEEK_SET) == 0);
128 assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
129 assert_se(sd_id128_equal(id, id2));
131 /* Third, write UUID without trailing newline */
132 assert_se(lseek(fd, 0, SEEK_SET) == 0);
133 assert_se(ftruncate(fd, 0) >= 0);
135 assert_se(sd_id128_randomize(&id) >= 0);
136 assert_se(write(fd, id128_to_uuid_string(id, q), 36) == 36);
138 assert_se(lseek(fd, 0, SEEK_SET) == 0);
139 assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
141 assert_se(lseek(fd, 0, SEEK_SET) == 0);
142 assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
143 assert_se(sd_id128_equal(id, id2));
145 r = sd_id128_get_machine_app_specific(SD_ID128_MAKE(f0,3d,aa,eb,1c,33,4b,43,a7,32,17,29,44,bf,77,2e), &id);
146 if (r == -EOPNOTSUPP)
147 log_info("khash not supported on this kernel, skipping sd_id128_get_machine_app_specific() checks");
150 assert_se(sd_id128_get_machine_app_specific(SD_ID128_MAKE(f0,3d,aa,eb,1c,33,4b,43,a7,32,17,29,44,bf,77,2e), &id2) >= 0);
151 assert_se(sd_id128_equal(id, id2));
152 assert_se(sd_id128_get_machine_app_specific(SD_ID128_MAKE(51,df,0b,4b,c3,b0,4c,97,80,e2,99,b9,8c,a3,73,b8), &id2) >= 0);
153 assert_se(!sd_id128_equal(id, id2));
156 /* Query the invocation ID */
157 r = sd_id128_get_invocation(&id);
159 log_warning_errno(r, "Failed to get invocation ID, ignoring: %m");
161 log_info("Invocation ID: " SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(id));