src/test/test-id128.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2
   3 #include <fcntl.h>
   4 #include <sys/types.h>
   5 #include <unistd.h>
   6
   7 #include "sd-daemon.h"
   8 #include "sd-id128.h"
   9
  10 #include "alloc-util.h"
  11 #include "fd-util.h"
  12 #include "id128-util.h"
  13 #include "macro.h"
  14 #include "string-util.h"
  15 #include "tmpfile-util.h"
  16 #include "util.h"
  17
  18 #define ID128_WALDI SD_ID128_MAKE(01, 02, 03, 04, 05, 06, 07, 08, 09, 0a, 0b, 0c, 0d, 0e, 0f, 10)
  19 #define STR_WALDI "0102030405060708090a0b0c0d0e0f10"
  20 #define UUID_WALDI "01020304-0506-0708-090a-0b0c0d0e0f10"
  21
  22 int main(int argc, char *argv[]) {
  23         sd_id128_t id, id2;
  24         char t[SD_ID128_STRING_MAX], q[ID128_UUID_STRING_MAX];
  25         _cleanup_free_ char *b = NULL;
  26         _cleanup_close_ int fd = -1;
  27         int r;
  28
  29         assert_se(sd_id128_randomize(&id) == 0);
  30         printf("random: %s\n", sd_id128_to_string(id, t));
  31
  32         assert_se(sd_id128_from_string(t, &id2) == 0);
  33         assert_se(sd_id128_equal(id, id2));
  34
  35         if (sd_booted() > 0) {
  36                 assert_se(sd_id128_get_machine(&id) == 0);
  37                 printf("machine: %s\n", sd_id128_to_string(id, t));
  38
  39                 assert_se(sd_id128_get_boot(&id) == 0);
  40                 printf("boot: %s\n", sd_id128_to_string(id, t));
  41         }
  42
  43         printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t));
  44         assert_se(streq(t, STR_WALDI));
  45
  46         assert_se(asprintf(&b, SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 32);
  47         printf("waldi2: %s\n", b);
  48         assert_se(streq(t, b));
  49
  50         printf("waldi3: %s\n", id128_to_uuid_string(ID128_WALDI, q));
  51         assert_se(streq(q, UUID_WALDI));
  52
  53         b = mfree(b);
  54         assert_se(asprintf(&b, SD_ID128_UUID_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)) == 36);
  55         printf("waldi4: %s\n", b);
  56         assert_se(streq(q, b));
  57
  58         assert_se(sd_id128_from_string(STR_WALDI, &id) >= 0);
  59         assert_se(sd_id128_equal(id, ID128_WALDI));
  60
  61         assert_se(sd_id128_from_string(UUID_WALDI, &id) >= 0);
  62         assert_se(sd_id128_equal(id, ID128_WALDI));
  63
  64         assert_se(sd_id128_from_string("", &id) < 0);
  65         assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f101", &id) < 0);
  66         assert_se(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f10-", &id) < 0);
  67         assert_se(sd_id128_from_string("01020304-0506-0708-090a0b0c0d0e0f10", &id) < 0);
  68         assert_se(sd_id128_from_string("010203040506-0708-090a-0b0c0d0e0f10", &id) < 0);
  69
  70         assert_se(id128_is_valid(STR_WALDI));
  71         assert_se(id128_is_valid(UUID_WALDI));
  72         assert_se(!id128_is_valid(""));
  73         assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f101"));
  74         assert_se(!id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f10-"));
  75         assert_se(!id128_is_valid("01020304-0506-0708-090a0b0c0d0e0f10"));
  76         assert_se(!id128_is_valid("010203040506-0708-090a-0b0c0d0e0f10"));
  77
  78         fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC);
  79         assert_se(fd >= 0);
  80
  81         /* First, write as UUID */
  82         assert_se(sd_id128_randomize(&id) >= 0);
  83         assert_se(id128_write_fd(fd, ID128_UUID, id, false) >= 0);
  84
  85         assert_se(lseek(fd, 0, SEEK_SET) == 0);
  86         assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
  87
  88         assert_se(lseek(fd, 0, SEEK_SET) == 0);
  89         assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
  90         assert_se(sd_id128_equal(id, id2));
  91
  92         assert_se(lseek(fd, 0, SEEK_SET) == 0);
  93         assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
  94         assert_se(sd_id128_equal(id, id2));
  95
  96         /* Second, write as plain */
  97         assert_se(lseek(fd, 0, SEEK_SET) == 0);
  98         assert_se(ftruncate(fd, 0) >= 0);
  99
 100         assert_se(sd_id128_randomize(&id) >= 0);
 101         assert_se(id128_write_fd(fd, ID128_PLAIN, id, false) >= 0);
 102
 103         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 104         assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
 105
 106         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 107         assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
 108         assert_se(sd_id128_equal(id, id2));
 109
 110         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 111         assert_se(id128_read_fd(fd, ID128_ANY, &id2) >= 0);
 112         assert_se(sd_id128_equal(id, id2));
 113
 114         /* Third, write plain without trailing newline */
 115         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 116         assert_se(ftruncate(fd, 0) >= 0);
 117
 118         assert_se(sd_id128_randomize(&id) >= 0);
 119         assert_se(write(fd, sd_id128_to_string(id, t), 32) == 32);
 120
 121         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 122         assert_se(id128_read_fd(fd, ID128_UUID, &id2) == -EINVAL);
 123
 124         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 125         assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) >= 0);
 126         assert_se(sd_id128_equal(id, id2));
 127
 128         /* Third, write UUID without trailing newline */
 129         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 130         assert_se(ftruncate(fd, 0) >= 0);
 131
 132         assert_se(sd_id128_randomize(&id) >= 0);
 133         assert_se(write(fd, id128_to_uuid_string(id, q), 36) == 36);
 134
 135         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 136         assert_se(id128_read_fd(fd, ID128_PLAIN, &id2) == -EINVAL);
 137
 138         assert_se(lseek(fd, 0, SEEK_SET) == 0);
 139         assert_se(id128_read_fd(fd, ID128_UUID, &id2) >= 0);
 140         assert_se(sd_id128_equal(id, id2));
 141
 142         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);
 143         if (r == -EOPNOTSUPP)
 144                 log_info("khash not supported on this kernel, skipping sd_id128_get_machine_app_specific() checks");
 145         else {
 146                 assert_se(r >= 0);
 147                 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);
 148                 assert_se(sd_id128_equal(id, id2));
 149                 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);
 150                 assert_se(!sd_id128_equal(id, id2));
 151         }
 152
 153         /* Query the invocation ID */
 154         r = sd_id128_get_invocation(&id);
 155         if (r < 0)
 156                 log_warning_errno(r, "Failed to get invocation ID, ignoring: %m");
 157         else
 158                 log_info("Invocation ID: " SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(id));
 159
 160         return 0;
 161 }