/* SPDX-License-Identifier: LGPL-2.1+ */
+#include <arpa/inet.h>
+#include <netinet/in.h>
+#include <sys/socket.h>
+
#include "fd-util.h"
+#include "fileio.h"
#include "fs-util.h"
#include "log.h"
#include "resolved-etc-hosts.h"
+#include "strv.h"
+#include "tests.h"
#include "tmpfile-util.h"
static void test_parse_etc_hosts_system(void) {
_cleanup_fclose_ FILE *f = NULL;
+ log_info("/* %s */", __func__);
+
f = fopen("/etc/hosts", "re");
if (!f) {
- assert_se(errno == -ENOENT);
+ assert_se(errno == ENOENT);
return;
}
assert_se(etc_hosts_parse(&hosts, f) == 0);
}
-static void test_parse_etc_hosts(const char *fname) {
+#define address_equal_4(_addr, _address) \
+ ((_addr)->family == AF_INET && \
+ !memcmp(&(_addr)->address.in, &(struct in_addr) { .s_addr = (_address) }, 4))
+
+#define address_equal_6(_addr, ...) \
+ ((_addr)->family == AF_INET6 && \
+ !memcmp(&(_addr)->address.in6, &(struct in6_addr) { .s6_addr = __VA_ARGS__}, 16) )
+
+static void test_parse_etc_hosts(void) {
_cleanup_(unlink_tempfilep) char
t[] = "/tmp/test-resolved-etc-hosts.XXXXXX";
+ log_info("/* %s */", __func__);
+
int fd;
_cleanup_fclose_ FILE *f;
-
- if (fname) {
- f = fopen(fname, "re");
- assert_se(f);
- } else {
- fd = mkostemp_safe(t);
- assert_se(fd >= 0);
-
- f = fdopen(fd, "r+");
- assert_se(f);
- fputs("1.2.3.4 some.where\n", f);
- fputs("1.2.3.5 some.where\n", f);
- fputs("::0 some.where some.other\n", f);
- fputs("0.0.0.0 black.listed\n", f);
- fputs("::5 some.where some.other foobar.foo.foo\n", f);
- fputs(" \n", f);
- fflush(f);
- rewind(f);
- }
+ const char *s;
+
+ fd = mkostemp_safe(t);
+ assert_se(fd >= 0);
+
+ f = fdopen(fd, "r+");
+ assert_se(f);
+ fputs("1.2.3.4 some.where\n"
+ "1.2.3.5 some.where\n"
+ "1.2.3.6 dash dash-dash.where-dash\n"
+ "1.2.3.7 bad-dash- -bad-dash -bad-dash.bad-\n"
+ "1.2.3.8\n"
+ "1.2.3.9 before.comment # within.comment\n"
+ "1.2.3.10 before.comment#within.comment2\n"
+ "1.2.3.11 before.comment# within.comment3\n"
+ "1.2.3.12 before.comment#\n"
+ "1.2.3 short.address\n"
+ "1.2.3.4.5 long.address\n"
+ "1::2::3 multi.colon\n"
+
+ "::0 some.where some.other\n"
+ "0.0.0.0 black.listed\n"
+ "::5\t\t\t \tsome.where\tsome.other foobar.foo.foo\t\t\t\n"
+ " \n", f);
+ assert_se(fflush_and_check(f) >= 0);
+ rewind(f);
_cleanup_(etc_hosts_free) EtcHosts hosts = {};
assert_se(etc_hosts_parse(&hosts, f) == 0);
- if (fname)
- return;
-
EtcHostsItemByName *bn;
assert_se(bn = hashmap_get(hosts.by_name, "some.where"));
assert_se(bn->n_addresses == 3);
assert_se(bn->n_allocated >= 3);
+ assert_se(address_equal_4(bn->addresses[0], inet_addr("1.2.3.4")));
+ assert_se(address_equal_4(bn->addresses[1], inet_addr("1.2.3.5")));
+ assert_se(address_equal_6(bn->addresses[2], {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5}));
- assert_se(bn->addresses[0]->family == AF_INET);
- assert_se(memcmp(&bn->addresses[0]->address.in,
- &(struct in_addr) { .s_addr = htobe32(0x01020304) }, 4) == 0);
- assert_se(bn->addresses[1]->family == AF_INET);
- assert_se(memcmp(&bn->addresses[1]->address.in,
- &(struct in_addr) { .s_addr = htobe32(0x01020305) }, 4) == 0);
- assert_se(bn->addresses[2]->family == AF_INET6);
- assert_se(memcmp(&bn->addresses[2]->address.in6,
- &(struct in6_addr) { .s6_addr = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5} }, 16 ) == 0);
+ assert_se(bn = hashmap_get(hosts.by_name, "dash"));
+ assert_se(bn->n_addresses == 1);
+ assert_se(bn->n_allocated >= 1);
+ assert_se(address_equal_4(bn->addresses[0], inet_addr("1.2.3.6")));
+
+ assert_se(bn = hashmap_get(hosts.by_name, "dash-dash.where-dash"));
+ assert_se(bn->n_addresses == 1);
+ assert_se(bn->n_allocated >= 1);
+ assert_se(address_equal_4(bn->addresses[0], inet_addr("1.2.3.6")));
+
+ /* See https://tools.ietf.org/html/rfc1035#section-2.3.1 */
+ FOREACH_STRING(s, "bad-dash-", "-bad-dash", "-bad-dash.bad-")
+ assert_se(!hashmap_get(hosts.by_name, s));
+
+ assert_se(bn = hashmap_get(hosts.by_name, "before.comment"));
+ assert_se(bn->n_addresses == 4);
+ assert_se(bn->n_allocated >= 4);
+ assert_se(address_equal_4(bn->addresses[0], inet_addr("1.2.3.9")));
+ assert_se(address_equal_4(bn->addresses[1], inet_addr("1.2.3.10")));
+ assert_se(address_equal_4(bn->addresses[2], inet_addr("1.2.3.11")));
+ assert_se(address_equal_4(bn->addresses[3], inet_addr("1.2.3.12")));
+
+ assert(!hashmap_get(hosts.by_name, "within.comment"));
+ assert(!hashmap_get(hosts.by_name, "within.comment2"));
+ assert(!hashmap_get(hosts.by_name, "within.comment3"));
+ assert(!hashmap_get(hosts.by_name, "#"));
+
+ assert(!hashmap_get(hosts.by_name, "short.address"));
+ assert(!hashmap_get(hosts.by_name, "long.address"));
+ assert(!hashmap_get(hosts.by_name, "multi.colon"));
+ assert_se(!set_contains(hosts.no_address, "short.address"));
+ assert_se(!set_contains(hosts.no_address, "long.address"));
+ assert_se(!set_contains(hosts.no_address, "multi.colon"));
assert_se(bn = hashmap_get(hosts.by_name, "some.other"));
assert_se(bn->n_addresses == 1);
assert_se(bn->n_allocated >= 1);
- assert_se(bn->addresses[0]->family == AF_INET6);
- assert_se(memcmp(&bn->addresses[0]->address.in6,
- &(struct in6_addr) { .s6_addr = {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5} }, 16 ) == 0);
+ assert_se(address_equal_6(bn->addresses[0], {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5}));
assert_se( set_contains(hosts.no_address, "some.where"));
assert_se( set_contains(hosts.no_address, "some.other"));
assert_se(!set_contains(hosts.no_address, "foobar.foo.foo"));
}
+static void test_parse_file(const char *fname) {
+ _cleanup_(etc_hosts_free) EtcHosts hosts = {};
+ _cleanup_fclose_ FILE *f;
+
+ log_info("/* %s(\"%s\") */", __func__, fname);
+
+ assert_se(f = fopen(fname, "re"));
+ assert_se(etc_hosts_parse(&hosts, f) == 0);
+}
+
int main(int argc, char **argv) {
- log_set_max_level(LOG_DEBUG);
- log_parse_environment();
- log_open();
+ test_setup_logging(LOG_DEBUG);
- if (argc == 1)
+ if (argc == 1) {
test_parse_etc_hosts_system();
- test_parse_etc_hosts(argv[1]);
+ test_parse_etc_hosts();
+ } else
+ test_parse_file(argv[1]);
return 0;
}
projects / thirdparty / systemd.git / blobdiff