| /* 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_se(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_se(streq_ptr(s, u.nodename)); |
| |
| r = sysctl_write("kernel/hostname", s); |
| assert_se(r >= 0 || ERRNO_IS_PRIVILEGE(r) || r == -EROFS); |
| } |
| |
| DEFINE_TEST_MAIN(LOG_INFO); |