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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include <sys/utsname.h>
#include "sd-id128.h"
#include "errno-util.h"
#include "hostname-util.h"
#include "strv.h"
#include "sysctl-util.h"
#include "tests.h"
static const char* const cases[] = {
"a.b.c", "a/b/c",
"a/b/c", "a/b/c",
"a/b.c/d", "a/b.c/d",
"a.b/c.d", "a/b.c/d",
"net.ipv4.conf.enp3s0/200.forwarding", "net/ipv4/conf/enp3s0.200/forwarding",
"net/ipv4/conf/enp3s0.200/forwarding", "net/ipv4/conf/enp3s0.200/forwarding",
"a...b...c", "a/b/c",
"a///b///c", "a/b/c",
".a...b...c", "a/b/c",
"/a///b///c", "a/b/c",
NULL,
};
TEST(sysctl_normalize) {
STRV_FOREACH_PAIR(s, expected, cases) {
_cleanup_free_ char *t;
assert_se(t = strdup(*s));
assert_se(sysctl_normalize(t) == t);
log_info("\"%s\" → \"%s\", expected \"%s\"", *s, t, *expected);
ASSERT_STREQ(t, *expected);
}
}
TEST(sysctl_read) {
_cleanup_free_ char *s = NULL;
struct utsname u;
sd_id128_t a, b;
int r;
assert_se(sysctl_read("kernel/random/boot_id", &s) >= 0);
assert_se(sd_id128_from_string(s, &a) >= 0);
assert_se(sd_id128_get_boot(&b) >= 0);
assert_se(sd_id128_equal(a, b));
s = mfree(s);
assert_se(sysctl_read_ip_property(AF_INET, "lo", "forwarding", &s));
assert_se(STR_IN_SET(s, "0", "1"));
r = sysctl_write_ip_property(AF_INET, "lo", "forwarding", s);
assert_se(r >= 0 || ERRNO_IS_PRIVILEGE(r) || r == -EROFS);
s = mfree(s);
assert_se(sysctl_read_ip_property(AF_INET, NULL, "ip_forward", &s));
assert_se(STR_IN_SET(s, "0", "1"));
r = sysctl_write_ip_property(AF_INET, NULL, "ip_forward", s);
assert_se(r >= 0 || ERRNO_IS_PRIVILEGE(r) || r == -EROFS);
s = mfree(s);
assert_se(sysctl_read("kernel/hostname", &s) >= 0);
assert_se(uname(&u) >= 0);
ASSERT_STREQ(s, u.nodename);
r = sysctl_write("kernel/hostname", s);
assert_se(r >= 0 || ERRNO_IS_PRIVILEGE(r) || r == -EROFS);
}
DEFINE_TEST_MAIN(LOG_INFO);
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