src/test/test-id128.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <fcntl.h>
   4 #include <string.h>
   5 #include <sys/types.h>
   6 #include <unistd.h>
   7
   8 #include "sd-daemon.h"
   9 #include "sd-id128.h"
  10
  11 #include "alloc-util.h"
  12 #include "fd-util.h"
  13 #include "id128-util.h"
  14 #include "macro.h"
  15 #include "string-util.h"
  16 #include "tmpfile-util.h"
  17 #include "util.h"
  18
  19 #define ID128_WALDI SD_ID128_MAKE(01, 02, 03, 04, 05, 06, 07, 08, 09, 0a, 0b, 0c, 0d, 0e, 0f, 10)
  20 #define STR_WALDI "0102030405060708090a0b0c0d0e0f10"
  21 #define UUID_WALDI "01020304-0506-0708-090a-0b0c0d0e0f10"
  22
  23 int main(int argc, char *argv[]) {
  24         sd_id128_t id, id2;
  25         char t[33], q[37];
  26         _cleanup_free_ char *b = NULL;
  27         _cleanup_close_ int fd = -1;
  28         int r;
  29
  30         assert_se(sd_id128_randomize(&id) == 0);
  31         printf("random: %s\n", sd_id128_to_string(id, t));
  32
  33         assert_se(sd_id128_from_string(t, &id2) == 0);
  34         assert_se(sd_id128_equal(id, id2));
  35
  36         if (sd_booted() > 0) {
  37                 assert_se(sd_id128_get_machine(&id) == 0);
  38                 printf("machine: %s\n", sd_id128_to_string(id, t));
  39
  40                 assert_se(sd_id128_get_boot(&id) == 0);
  41                 printf("boot: %s\n", sd_id128_to_string(id, t));
  42         }
  43
  44         printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t));
  45         assert_se(streq(t, STR_WALDI));
  46
  47         assert_se(asprintf(&b, SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 32);
  48         printf("waldi2: %s\n", b);
  49         assert_se(streq(t, b));
  50
  51         printf("waldi3: %s\n", id128_to_uuid_string(ID128_WALDI, q));
  52         assert_se(streq(q, UUID_WALDI));
  53
  54         b = mfree(b);
  55         assert_se(asprintf(&b, ID128_UUID_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 36);
  56         printf("waldi4: %s\n", b);
  57         assert_se(streq(q, b));
  58
  59         assert_se(sd_id128_from_string(STR_WALDI, &id) >= 0);
  60         assert_se(sd_id128_equal(id, ID128_WALDI));
  61
  62         assert_se(sd_id128_from_string(UUID_WALDI, &id) >= 0);
  63         assert_se(sd_id128_equal(id, ID128_WALDI));
  64
  65         assert_se(sd_id128_from_string("", &id) < 0);
  66         assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f101", &id) < 0);
  67         assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f10-", &id) < 0);
  68         assert_se(sd_id128_from_string("01020304-0506-0708-090a0b0c0d0e0f10", &id) < 0);
  69         assert_se(sd_id128_from_string("010203040506-0708-090a-0b0c0d0e0f10", &id) < 0);
  70
  71         assert_se(id128_is_valid(STR_WALDI));
  72         assert_se(id128_is_valid(UUID_WALDI));
  73         assert_se(!id128_is_valid(""));
  74         assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f101"));
  75         assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f10-"));
  76         assert_se(!id128_is_valid("01020304-0506-0708-090a0b0c0d0e0f10"));
  77         assert_se(!id128_is_valid("010203040506-0708-090a-0b0c0d0e0f10"));
  78
  79         fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC);
  80         assert_se(fd >= 0);
  81
  82         /* First, write as UUID */
  83         assert_se(sd_id128_randomize(&id) >= 0);
  84         assert_se(id128_write_fd(fd, ID128_UUID, id, false) >= 0);
  85
  86         assert_se(lseek(fd, 0, SEEK_SET) == 0);
  87         assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
  88
  89         assert_se(lseek(fd, 0, SEEK_SET) == 0);
  90         assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
  91         assert_se(sd_id128_equal(id, id2));
  92
  93         assert_se(lseek(fd, 0, SEEK_SET) == 0);
  94         assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
  95         assert_se(sd_id128_equal(id, id2));
  96
  97         /* Second, write as plain */
  98         assert_se(lseek(fd, 0, SEEK_SET) == 0);
  99         assert_se(ftruncate(fd, 0) >= 0);
 100
 101         assert_se(sd_id128_randomize(&id) >= 0);
 102         assert_se(id128_write_fd(fd, ID128_PLAIN, id, false) >= 0);
 103
 104         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 105         assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
 106
 107         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 108         assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
 109         assert_se(sd_id128_equal(id, id2));
 110
 111         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 112         assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
 113         assert_se(sd_id128_equal(id, id2));
 114
 115         /* Third, write plain without trailing newline */
 116         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 117         assert_se(ftruncate(fd, 0) >= 0);
 118
 119         assert_se(sd_id128_randomize(&id) >= 0);
 120         assert_se(write(fd, sd_id128_to_string(id, t), 32) == 32);
 121
 122         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 123         assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
 124
 125         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 126         assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
 127         assert_se(sd_id128_equal(id, id2));
 128
 129         /* Third, write UUID without trailing newline */
 130         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 131         assert_se(ftruncate(fd, 0) >= 0);
 132
 133         assert_se(sd_id128_randomize(&id) >= 0);
 134         assert_se(write(fd, id128_to_uuid_string(id, q), 36) == 36);
 135
 136         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 137         assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
 138
 139         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 140         assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
 141         assert_se(sd_id128_equal(id, id2));
 142
 143         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);
 144         if (r == -EOPNOTSUPP)
 145                 log_info("khash not supported on this kernel, skipping sd_id128_get_machine_app_specific() checks");
 146         else {
 147                 assert_se(r >= 0);
 148                 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);
 149                 assert_se(sd_id128_equal(id, id2));
 150                 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);
 151                 assert_se(!sd_id128_equal(id, id2));
 152         }
 153
 154         /* Query the invocation ID */
 155         r = sd_id128_get_invocation(&id);
 156         if (r < 0)
 157                 log_warning_errno(r, "Failed to get invocation ID, ignoring: %m");
 158         else
 159                 log_info("Invocation ID: " SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(id));
 160
 161         return 0;
 162 }