static char *specifier_user_name(char specifier, void *data, void *userdata) {
InstallInfo *i = userdata;
const char *username;
_cleanup_free_ char *tmp = NULL;
char *printed = NULL;
assert(i);
if (i->user)
username = i->user;
else
/* get USER env from env or our own uid */
username = tmp = getusername_malloc();
switch (specifier) {
case 'u':
printed = strdup(username);
break;
case 'U': {
/* fish username from passwd */
uid_t uid;
int r;
r = get_user_creds(&username, &uid, NULL, NULL, NULL);
if (r < 0)
return NULL;
if (asprintf(&printed, "%d", uid) < 0)
return NULL;
break;
}}
return printed;
}
static int condition_test_user(Condition *c) {
uid_t id;
int r;
_cleanup_free_ char *username = NULL;
const char *u;
assert(c);
assert(c->parameter);
assert(c->type == CONDITION_USER);
r = parse_uid(c->parameter, &id);
if (r >= 0)
return id == getuid() || id == geteuid();
if (streq("@system", c->parameter))
return uid_is_system(getuid()) || uid_is_system(geteuid());
username = getusername_malloc();
if (!username)
return -ENOMEM;
if (streq(username, c->parameter))
return 1;
if (getpid_cached() == 1)
return streq(c->parameter, "root");
u = c->parameter;
r = get_user_creds(&u, &id, NULL, NULL, NULL);
if (r < 0)
return 0;
return id == getuid() || id == geteuid();
}
static int specifier_user_name(char specifier, void *data, void *userdata, char **ret) {
char *t;
/* If we are UID 0 (root), this will not result in NSS,
* otherwise it might. This is good, as we want to be able to
* run this in PID 1, where our user ID is 0, but where NSS
* lookups are not allowed. */
t = getusername_malloc();
if (!t)
return -ENOMEM;
*ret = t;
return 0;
}
static char *specifier_user_name(char specifier, void *data, void *userdata) {
Unit *u = userdata;
ExecContext *c;
int r;
const char *username;
_cleanup_free_ char *tmp = NULL;
uid_t uid;
char *printed = NULL;
assert(u);
c = unit_get_exec_context(u);
if (c && c->user)
username = c->user;
else
/* get USER env from env or our own uid */
username = tmp = getusername_malloc();
/* fish username from passwd */
r = get_user_creds(&username, &uid, NULL, NULL, NULL);
if (r < 0)
return NULL;
switch (specifier) {
case 'U':
if (asprintf(&printed, "%d", uid) < 0)
return NULL;
break;
case 'u':
printed = strdup(username);
break;
}
return printed;
}
static void test_install_printf(void) {
char name[] = "name.service",
path[] = "/run/systemd/system/name.service";
UnitFileInstallInfo i = { .name = name, .path = path, };
UnitFileInstallInfo i2 = { .name= name, .path = path, };
char name3[] = "*****@*****.**",
path3[] = "/run/systemd/system/name.service";
UnitFileInstallInfo i3 = { .name = name3, .path = path3, };
UnitFileInstallInfo i4 = { .name = name3, .path = path3, };
_cleanup_free_ char *mid = NULL, *bid = NULL, *host = NULL, *uid = NULL, *user = NULL;
assert_se(specifier_machine_id('m', NULL, NULL, &mid) >= 0 && mid);
assert_se(specifier_boot_id('b', NULL, NULL, &bid) >= 0 && bid);
assert_se((host = gethostname_malloc()));
assert_se((user = getusername_malloc()));
assert_se(asprintf(&uid, UID_FMT, getuid()) >= 0);
#define expect(src, pattern, result) \
do { \
_cleanup_free_ char *t = NULL; \
_cleanup_free_ char \
*d1 = strdup(i.name), \
*d2 = strdup(i.path); \
assert_se(install_full_printf(&src, pattern, &t) >= 0 || !result); \
memzero(i.name, strlen(i.name)); \
memzero(i.path, strlen(i.path)); \
assert_se(d1 && d2); \
if (result) { \
printf("%s\n", t); \
assert_se(streq(t, result)); \
} else assert_se(t == NULL); \
strcpy(i.name, d1); \
strcpy(i.path, d2); \
} while(false)
expect(i, "%n", "name.service");
expect(i, "%N", "name");
expect(i, "%p", "name");
expect(i, "%i", "");
expect(i, "%u", user);
expect(i, "%U", uid);
expect(i, "%m", mid);
expect(i, "%b", bid);
expect(i, "%H", host);
expect(i2, "%u", user);
expect(i2, "%U", uid);
expect(i3, "%n", "*****@*****.**");
expect(i3, "%N", "name@inst");
expect(i3, "%p", "name");
expect(i3, "%u", user);
expect(i3, "%U", uid);
expect(i3, "%m", mid);
expect(i3, "%b", bid);
expect(i3, "%H", host);
expect(i4, "%u", user);
expect(i4, "%U", uid);
}
static int test_unit_printf(void) {
Manager *m = NULL;
Unit *u, *u2;
int r;
_cleanup_free_ char *mid = NULL, *bid = NULL, *host = NULL, *uid = NULL, *user = NULL, *shell = NULL, *home = NULL;
assert_se(specifier_machine_id('m', NULL, NULL, &mid) >= 0 && mid);
assert_se(specifier_boot_id('b', NULL, NULL, &bid) >= 0 && bid);
assert_se(host = gethostname_malloc());
assert_se(user = getusername_malloc());
assert_se(asprintf(&uid, UID_FMT, getuid()));
assert_se(get_home_dir(&home) >= 0);
assert_se(get_shell(&shell) >= 0);
r = manager_new(UNIT_FILE_USER, true, &m);
if (r == -EPERM || r == -EACCES || r == -EADDRINUSE) {
puts("manager_new: Permission denied. Skipping test.");
return EXIT_TEST_SKIP;
}
assert_se(r == 0);
#define expect(unit, pattern, expected) \
{ \
char *e; \
_cleanup_free_ char *t = NULL; \
assert_se(unit_full_printf(unit, pattern, &t) >= 0); \
printf("result: %s\nexpect: %s\n", t, expected); \
if ((e = endswith(expected, "*"))) \
assert_se(strncmp(t, e, e-expected)); \
else \
assert_se(streq(t, expected)); \
}
assert_se(setenv("XDG_RUNTIME_DIR", "/run/user/1/", 1) == 0);
assert_se(u = unit_new(m, sizeof(Service)));
assert_se(unit_add_name(u, "blah.service") == 0);
assert_se(unit_add_name(u, "blah.service") == 0);
/* general tests */
expect(u, "%%", "%");
expect(u, "%%s", "%s");
expect(u, "%", ""); // REALLY?
/* normal unit */
expect(u, "%n", "blah.service");
expect(u, "%f", "/blah");
expect(u, "%N", "blah");
expect(u, "%p", "blah");
expect(u, "%P", "blah");
expect(u, "%i", "");
expect(u, "%u", user);
expect(u, "%U", uid);
expect(u, "%h", home);
expect(u, "%m", mid);
expect(u, "%b", bid);
expect(u, "%H", host);
expect(u, "%t", "/run/user/*");
/* templated */
assert_se(u2 = unit_new(m, sizeof(Service)));
assert_se(unit_add_name(u2, "*****@*****.**") == 0);
assert_se(unit_add_name(u2, "*****@*****.**") == 0);
expect(u2, "%n", "*****@*****.**");
expect(u2, "%N", "blah@foo-foo");
expect(u2, "%f", "/foo/foo");
expect(u2, "%p", "blah");
expect(u2, "%P", "blah");
expect(u2, "%i", "foo-foo");
expect(u2, "%I", "foo/foo");
expect(u2, "%u", user);
expect(u2, "%U", uid);
expect(u2, "%h", home);
expect(u2, "%m", mid);
expect(u2, "%b", bid);
expect(u2, "%H", host);
expect(u2, "%t", "/run/user/*");
manager_free(m);
#undef expect
return 0;
}
