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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <fcntl.h>
#include <sys/types.h>
#include <unistd.h>
#include "sd-daemon.h"
#include "sd-id128.h"
#include "alloc-util.h"
#include "fd-util.h"
#include "id128-util.h"
#include "macro.h"
#include "path-util.h"
#include "rm-rf.h"
#include "string-util.h"
#include "tests.h"
#include "tmpfile-util.h"
#define ID128_WALDI SD_ID128_MAKE(01, 02, 03, 04, 05, 06, 07, 08, 09, 0a, 0b, 0c, 0d, 0e, 0f, 10)
#define STR_WALDI "0102030405060708090a0b0c0d0e0f10"
#define UUID_WALDI "01020304-0506-0708-090a-0b0c0d0e0f10"
#define STR_NULL "00000000000000000000000000000000"
TEST(id128) {
sd_id128_t id, id2;
char t[SD_ID128_STRING_MAX], q[SD_ID128_UUID_STRING_MAX];
_cleanup_free_ char *b = NULL;
_cleanup_close_ int fd = -EBADF;
ASSERT_OK(sd_id128_randomize(&id));
printf("random: %s\n", sd_id128_to_string(id, t));
ASSERT_OK(sd_id128_from_string(t, &id2) == 0);
ASSERT_EQ_ID128(id, id2);
ASSERT_TRUE(sd_id128_in_set(id, id));
ASSERT_TRUE(sd_id128_in_set(id, id2));
ASSERT_TRUE(sd_id128_in_set(id, id2, id));
ASSERT_TRUE(sd_id128_in_set(id, ID128_WALDI, id));
ASSERT_FALSE(sd_id128_in_set(id));
ASSERT_FALSE(sd_id128_in_set(id, ID128_WALDI));
ASSERT_FALSE(sd_id128_in_set(id, ID128_WALDI, ID128_WALDI));
if (sd_booted() > 0 && sd_id128_get_machine(NULL) >= 0) {
ASSERT_OK(sd_id128_get_machine(&id));
printf("machine: %s\n", sd_id128_to_string(id, t));
ASSERT_OK(sd_id128_get_boot(&id));
printf("boot: %s\n", sd_id128_to_string(id, t));
}
printf("waldi: %s\n", sd_id128_to_string(ID128_WALDI, t));
ASSERT_STREQ(t, STR_WALDI);
ASSERT_EQ(asprintf(&b, SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)), 32);
printf("waldi2: %s\n", b);
ASSERT_STREQ(t, b);
printf("waldi3: %s\n", sd_id128_to_uuid_string(ID128_WALDI, q));
ASSERT_STREQ(q, UUID_WALDI);
b = mfree(b);
ASSERT_EQ(asprintf(&b, SD_ID128_UUID_FORMAT_STR, SD_ID128_FORMAT_VAL(ID128_WALDI)), 36);
printf("waldi4: %s\n", b);
ASSERT_STREQ(q, b);
ASSERT_OK(sd_id128_from_string(STR_WALDI, &id));
ASSERT_EQ_ID128(id, ID128_WALDI);
ASSERT_OK(sd_id128_from_string(UUID_WALDI, &id));
ASSERT_EQ_ID128(id, ID128_WALDI);
ASSERT_FAIL(sd_id128_from_string("", &id));
ASSERT_FAIL(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f101", &id));
ASSERT_FAIL(sd_id128_from_string("01020304-0506-0708-090a-0b0c0d0e0f10-", &id));
ASSERT_FAIL(sd_id128_from_string("01020304-0506-0708-090a0b0c0d0e0f10", &id));
ASSERT_FAIL(sd_id128_from_string("010203040506-0708-090a-0b0c0d0e0f10", &id));
ASSERT_OK(id128_from_string_nonzero(STR_WALDI, &id));
ASSERT_ERROR(id128_from_string_nonzero(STR_NULL, &id), ENXIO);
ASSERT_FAIL(id128_from_string_nonzero("01020304-0506-0708-090a-0b0c0d0e0f101", &id));
ASSERT_FAIL(id128_from_string_nonzero("01020304-0506-0708-090a-0b0c0d0e0f10-", &id));
ASSERT_FAIL(id128_from_string_nonzero("01020304-0506-0708-090a0b0c0d0e0f10", &id));
ASSERT_FAIL(id128_from_string_nonzero("010203040506-0708-090a-0b0c0d0e0f10", &id));
ASSERT_TRUE(id128_is_valid(STR_WALDI));
ASSERT_TRUE(id128_is_valid(UUID_WALDI));
ASSERT_FALSE(id128_is_valid(""));
ASSERT_FALSE(id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f101"));
ASSERT_FALSE(id128_is_valid("01020304-0506-0708-090a-0b0c0d0e0f10-"));
ASSERT_FALSE(id128_is_valid("01020304-0506-0708-090a0b0c0d0e0f10"));
ASSERT_FALSE(id128_is_valid("010203040506-0708-090a-0b0c0d0e0f10"));
fd = open_tmpfile_unlinkable(NULL, O_RDWR|O_CLOEXEC);
ASSERT_OK(fd);
/* First, write as UUID */
ASSERT_OK(sd_id128_randomize(&id));
ASSERT_OK(id128_write_fd(fd, ID128_FORMAT_UUID, id));
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_ERROR(id128_read_fd(fd, ID128_FORMAT_PLAIN, &id2), EUCLEAN);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK(id128_read_fd(fd, ID128_FORMAT_UUID, &id2));
ASSERT_EQ_ID128(id, id2);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK(id128_read_fd(fd, ID128_FORMAT_ANY, &id2));
ASSERT_EQ_ID128(id, id2);
/* Second, write as plain */
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK_ERRNO(ftruncate(fd, 0));
ASSERT_OK(sd_id128_randomize(&id));
ASSERT_OK(id128_write_fd(fd, ID128_FORMAT_PLAIN, id));
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET) == 0);
ASSERT_ERROR(id128_read_fd(fd, ID128_FORMAT_UUID, &id2), EUCLEAN);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK(id128_read_fd(fd, ID128_FORMAT_PLAIN, &id2));
ASSERT_EQ_ID128(id, id2);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK(id128_read_fd(fd, ID128_FORMAT_ANY, &id2));
ASSERT_EQ_ID128(id, id2);
/* Third, write plain without trailing newline */
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK_ERRNO(ftruncate(fd, 0));
ASSERT_OK(sd_id128_randomize(&id));
ASSERT_EQ(write(fd, sd_id128_to_string(id, t), 32), 32);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_ERROR(id128_read_fd(fd, ID128_FORMAT_UUID, &id2), EUCLEAN);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK(id128_read_fd(fd, ID128_FORMAT_PLAIN, &id2));
ASSERT_EQ_ID128(id, id2);
/* Fourth, write UUID without trailing newline */
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK_ERRNO(ftruncate(fd, 0));
ASSERT_OK(sd_id128_randomize(&id));
ASSERT_EQ(write(fd, sd_id128_to_uuid_string(id, q), 36), 36);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_ERROR(id128_read_fd(fd, ID128_FORMAT_PLAIN, &id2), EUCLEAN);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK(id128_read_fd(fd, ID128_FORMAT_UUID, &id2));
ASSERT_EQ_ID128(id, id2);
/* Fifth, tests for "uninitialized" */
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK_ERRNO(ftruncate(fd, 0));
ASSERT_EQ(write(fd, "uninitialized", STRLEN("uninitialized")), (ssize_t) STRLEN("uninitialized"));
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_ERROR(id128_read_fd(fd, ID128_FORMAT_ANY, NULL), ENOPKG);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK_ERRNO(ftruncate(fd, 0));
ASSERT_EQ(write(fd, "uninitialized\n", STRLEN("uninitialized\n")), (ssize_t) STRLEN("uninitialized\n"));
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_ERROR(id128_read_fd(fd, ID128_FORMAT_ANY, NULL), ENOPKG);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK_ERRNO(ftruncate(fd, 0));
ASSERT_EQ(write(fd, "uninitialized\nfoo", STRLEN("uninitialized\nfoo")), (ssize_t) STRLEN("uninitialized\nfoo"));
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_ERROR(id128_read_fd(fd, ID128_FORMAT_ANY, NULL), EUCLEAN);
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_OK_ERRNO(ftruncate(fd, 0));
ASSERT_EQ(write(fd, "uninit", STRLEN("uninit")), (ssize_t) STRLEN("uninit"));
ASSERT_OK_ERRNO(lseek(fd, 0, SEEK_SET));
ASSERT_ERROR(id128_read_fd(fd, ID128_FORMAT_ANY, NULL), EUCLEAN);
/* build/systemd-id128 -a f03daaeb1c334b43a732172944bf772e show 51df0b4bc3b04c9780e299b98ca373b8 */
ASSERT_OK(sd_id128_get_app_specific(SD_ID128_MAKE(51,df,0b,4b,c3,b0,4c,97,80,e2,99,b9,8c,a3,73,b8),
SD_ID128_MAKE(f0,3d,aa,eb,1c,33,4b,43,a7,32,17,29,44,bf,77,2e), &id));
ASSERT_EQ_ID128(id, SD_ID128_MAKE(1d,ee,59,54,e7,5c,4d,6f,b9,6c,c6,c0,4c,a1,8a,86));
if (sd_booted() > 0 && sd_id128_get_machine(NULL) >= 0) {
ASSERT_OK(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));
ASSERT_OK(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));
ASSERT_EQ_ID128(id, id2);
ASSERT_OK(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));
ASSERT_NE_ID128(id, id2);
}
/* Check return values */
ASSERT_RETURN_EXPECTED_SE(sd_id128_get_app_specific(SD_ID128_ALLF, SD_ID128_NULL, &id) == -ENXIO);
ASSERT_RETURN_EXPECTED_SE(sd_id128_get_app_specific(SD_ID128_NULL, SD_ID128_ALLF, &id) == 0);
}
TEST(sd_id128_get_invocation) {
sd_id128_t id = SD_ID128_NULL;
int r;
/* Query the invocation ID */
r = sd_id128_get_invocation(&id);
if (r < 0)
log_warning_errno(r, "Failed to get invocation ID, ignoring: %m");
else
log_info("Invocation ID: " SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(id));
sd_id128_t appid = SD_ID128_NULL;
r = sd_id128_get_invocation_app_specific(SD_ID128_MAKE(59,36,e9,92,fd,11,42,fe,87,c9,e9,b5,6c,9e,4f,04), &appid);
if (r < 0)
log_warning_errno(r, "Failed to get invocation ID, ignoring: %m");
else {
ASSERT_NE_ID128(id, appid);
log_info("Per-App Invocation ID: " SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(appid));
}
sd_id128_t appid2 = SD_ID128_NULL;
r = sd_id128_get_invocation_app_specific(SD_ID128_MAKE(59,36,e9,92,fd,11,42,fe,87,c9,e9,b5,6c,9e,4f,05), &appid2); /* slightly different appid */
if (r < 0)
log_warning_errno(r, "Failed to get invocation ID, ignoring: %m");
else {
ASSERT_NE_ID128(id, appid2);
ASSERT_NE_ID128(appid, appid2);
log_info("Per-App Invocation ID 2: " SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(appid2));
}
sd_id128_t appid3 = SD_ID128_NULL;
r = sd_id128_get_invocation_app_specific(SD_ID128_MAKE(59,36,e9,92,fd,11,42,fe,87,c9,e9,b5,6c,9e,4f,04), &appid3); /* same appid as before */
if (r < 0)
log_warning_errno(r, "Failed to get invocation ID, ignoring: %m");
else {
ASSERT_NE_ID128(id, appid3);
ASSERT_EQ_ID128(appid, appid3);
ASSERT_NE_ID128(appid2, appid3);
log_info("Per-App Invocation ID 3: " SD_ID128_FORMAT_STR, SD_ID128_FORMAT_VAL(appid3));
}
}
TEST(benchmark_sd_id128_get_machine_app_specific) {
unsigned iterations = slow_tests_enabled() ? 1000000 : 1000;
usec_t t, q;
if (sd_id128_get_machine(NULL) < 0)
return (void) log_tests_skipped("/etc/machine-id is not initialized");
log_info("/* %s (%u iterations) */", __func__, iterations);
sd_id128_t id = ID128_WALDI, id2;
t = now(CLOCK_MONOTONIC);
for (unsigned i = 0; i < iterations; i++) {
id.qwords[1] = i;
ASSERT_OK(sd_id128_get_machine_app_specific(id, &id2));
}
q = now(CLOCK_MONOTONIC) - t;
log_info("%lf μs each", (double) q / iterations);
}
TEST(id128_at) {
_cleanup_(rm_rf_physical_and_freep) char *t = NULL;
_cleanup_close_ int tfd = -EBADF;
_cleanup_free_ char *p = NULL;
sd_id128_t id, i;
tfd = mkdtemp_open(NULL, O_PATH, &t);
ASSERT_OK(tfd);
ASSERT_OK_ERRNO(mkdirat(tfd, "etc", 0755));
ASSERT_OK_ERRNO(symlinkat("etc", tfd, "etc2"));
ASSERT_OK_ERRNO(symlinkat("machine-id", tfd, "etc/hoge-id"));
ASSERT_OK(sd_id128_randomize(&id));
ASSERT_OK(id128_write_at(tfd, "etc/machine-id", ID128_FORMAT_PLAIN, id));
if (geteuid() == 0)
ASSERT_OK(id128_write_at(tfd, "etc/machine-id", ID128_FORMAT_PLAIN, id));
else
ASSERT_ERROR(id128_write_at(tfd, "etc/machine-id", ID128_FORMAT_PLAIN, id), EACCES);
ASSERT_OK_ERRNO(unlinkat(tfd, "etc/machine-id", 0));
ASSERT_OK(id128_write_at(tfd, "etc2/machine-id", ID128_FORMAT_PLAIN, id));
ASSERT_OK_ERRNO(unlinkat(tfd, "etc/machine-id", 0));
ASSERT_OK(id128_write_at(tfd, "etc/hoge-id", ID128_FORMAT_PLAIN, id));
ASSERT_OK_ERRNO(unlinkat(tfd, "etc/machine-id", 0));
ASSERT_OK(id128_write_at(tfd, "etc2/hoge-id", ID128_FORMAT_PLAIN, id));
/* id128_read_at() */
i = SD_ID128_NULL; /* Not necessary in real code, but for testing that the id is really assigned. */
ASSERT_OK(id128_read_at(tfd, "etc/machine-id", ID128_FORMAT_PLAIN, &i));
ASSERT_EQ_ID128(id, i);
i = SD_ID128_NULL;
ASSERT_OK(id128_read_at(tfd, "etc2/machine-id", ID128_FORMAT_PLAIN, &i));
ASSERT_EQ_ID128(id, i);
i = SD_ID128_NULL;
ASSERT_OK(id128_read_at(tfd, "etc/hoge-id", ID128_FORMAT_PLAIN, &i));
ASSERT_EQ_ID128(id, i);
i = SD_ID128_NULL;
ASSERT_OK(id128_read_at(tfd, "etc2/hoge-id", ID128_FORMAT_PLAIN, &i));
ASSERT_EQ_ID128(id, i);
/* id128_read() */
ASSERT_NOT_NULL(p = path_join(t, "/etc/machine-id"));
i = SD_ID128_NULL;
ASSERT_OK(id128_read(p, ID128_FORMAT_PLAIN, &i));
ASSERT_EQ_ID128(id, i);
free(p);
ASSERT_NOT_NULL(p = path_join(t, "/etc2/machine-id"));
i = SD_ID128_NULL;
ASSERT_OK(id128_read(p, ID128_FORMAT_PLAIN, &i));
ASSERT_EQ_ID128(id, i);
free(p);
ASSERT_NOT_NULL(p = path_join(t, "/etc/hoge-id"));
i = SD_ID128_NULL;
ASSERT_OK(id128_read(p, ID128_FORMAT_PLAIN, &i));
ASSERT_EQ_ID128(id, i);
free(p);
ASSERT_NOT_NULL(p = path_join(t, "/etc2/hoge-id"));
i = SD_ID128_NULL;
ASSERT_OK(id128_read(p, ID128_FORMAT_PLAIN, &i));
ASSERT_EQ_ID128(id, i);
/* id128_get_machine_at() */
i = SD_ID128_NULL;
ASSERT_OK(id128_get_machine_at(tfd, &i));
ASSERT_EQ_ID128(id, i);
/* id128_get_machine() */
i = SD_ID128_NULL;
ASSERT_OK(id128_get_machine(t, &i));
ASSERT_EQ_ID128(id, i);
}
TEST(ID128_REFUSE_NULL) {
_cleanup_(rm_rf_physical_and_freep) char *t = NULL;
_cleanup_close_ int tfd = -EBADF;
sd_id128_t id;
tfd = mkdtemp_open(NULL, O_PATH, &t);
ASSERT_OK(tfd);
ASSERT_ERROR(id128_write_at(tfd, "zero-id", ID128_FORMAT_PLAIN | ID128_REFUSE_NULL, (sd_id128_t) {}), ENOMEDIUM);
ASSERT_OK_ERRNO(unlinkat(tfd, "zero-id", 0));
ASSERT_OK(id128_write_at(tfd, "zero-id", ID128_FORMAT_PLAIN, (sd_id128_t) {}));
ASSERT_OK(sd_id128_randomize(&id));
ASSERT_NE_ID128(id, SD_ID128_NULL);
ASSERT_OK(id128_read_at(tfd, "zero-id", ID128_FORMAT_PLAIN, &id));
ASSERT_EQ_ID128(id, SD_ID128_NULL);
ASSERT_ERROR(id128_read_at(tfd, "zero-id", ID128_FORMAT_PLAIN | ID128_REFUSE_NULL, &id), ENOMEDIUM);
}
DEFINE_TEST_MAIN(LOG_INFO);
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