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/* SPDX-License-Identifier: LGPL-2.1+ */
#include "fd-util.h"
#include "fileio.h"
#include "fs-util.h"
#include "log.h"
#include "resolved-etc-hosts.h"
static void test_parse_etc_hosts_system(void) {
_cleanup_fclose_ FILE *f = NULL;
f = fopen("/etc/hosts", "re");
if (!f) {
assert_se(errno == -ENOENT);
return;
}
_cleanup_(etc_hosts_free) EtcHosts hosts = {};
assert_se(etc_hosts_parse(&hosts, f) == 0);
}
static void test_parse_etc_hosts(const char *fname) {
_cleanup_(unlink_tempfilep) char
t[] = "/tmp/test-resolved-etc-hosts.XXXXXX";
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);
}
_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(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, "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( set_contains(hosts.no_address, "some.where"));
assert_se( set_contains(hosts.no_address, "some.other"));
assert_se( set_contains(hosts.no_address, "black.listed"));
assert_se(!set_contains(hosts.no_address, "foobar.foo.foo"));
}
int main(int argc, char **argv) {
log_set_max_level(LOG_DEBUG);
log_parse_environment();
log_open();
if (argc == 1)
test_parse_etc_hosts_system();
test_parse_etc_hosts(argv[1]);
return 0;
}
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