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#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <assert.h>
#include <string.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
int verbose = 0;
#include "netutils.h"
static void
test_get_sockaddr_len(void)
{
struct sockaddr_in addr4;
struct sockaddr_in6 addr6;
struct sockaddr_storage unknown;
memset(&addr4, 0, sizeof(addr4));
addr4.sin_family = AF_INET;
assert(get_sockaddr_len((struct sockaddr *)&addr4) == sizeof(struct sockaddr_in));
memset(&addr6, 0, sizeof(addr6));
addr6.sin6_family = AF_INET6;
assert(get_sockaddr_len((struct sockaddr *)&addr6) == sizeof(struct sockaddr_in6));
memset(&unknown, 0, sizeof(unknown));
unknown.ss_family = AF_UNSPEC;
assert(get_sockaddr_len((struct sockaddr *)&unknown) == 0);
}
static void
test_sockaddr_cmp(void)
{
struct sockaddr_storage a, b;
struct sockaddr_in *a4 = (struct sockaddr_in *)&a;
struct sockaddr_in *b4 = (struct sockaddr_in *)&b;
/* Same address and port */
memset(&a, 0, sizeof(a));
memset(&b, 0, sizeof(b));
a4->sin_family = AF_INET;
b4->sin_family = AF_INET;
a4->sin_port = htons(80);
b4->sin_port = htons(80);
inet_pton(AF_INET, "127.0.0.1", &a4->sin_addr);
inet_pton(AF_INET, "127.0.0.1", &b4->sin_addr);
assert(sockaddr_cmp(&a, &b, sizeof(struct sockaddr_in)) == 0);
/* Different port */
b4->sin_port = htons(81);
assert(sockaddr_cmp(&a, &b, sizeof(struct sockaddr_in)) != 0);
}
static void
test_sockaddr_cmp_addr(void)
{
struct sockaddr_storage a, b;
struct sockaddr_in *a4 = (struct sockaddr_in *)&a;
struct sockaddr_in *b4 = (struct sockaddr_in *)&b;
memset(&a, 0, sizeof(a));
memset(&b, 0, sizeof(b));
a4->sin_family = AF_INET;
b4->sin_family = AF_INET;
a4->sin_port = htons(80);
b4->sin_port = htons(443);
inet_pton(AF_INET, "10.0.0.1", &a4->sin_addr);
inet_pton(AF_INET, "10.0.0.1", &b4->sin_addr);
/* Same address, different port - should be equal */
assert(sockaddr_cmp_addr(&a, &b, sizeof(struct sockaddr_in)) == 0);
/* Different address */
inet_pton(AF_INET, "10.0.0.2", &b4->sin_addr);
assert(sockaddr_cmp_addr(&a, &b, sizeof(struct sockaddr_in)) != 0);
}
static void
test_validate_hostname(void)
{
/* Valid hostnames */
assert(validate_hostname("example.com", 11) == 1);
assert(validate_hostname("sub.example.com", 15) == 1);
assert(validate_hostname("a", 1) == 1);
assert(validate_hostname("a-b", 3) == 1);
assert(validate_hostname("123.456", 7) == 1);
/* Invalid hostnames */
assert(validate_hostname(NULL, 0) == 0);
assert(validate_hostname("", 0) == 0);
assert(validate_hostname(".example.com", 12) == 0); /* starts with dot */
assert(validate_hostname("-example.com", 12) == 0); /* label starts with hyphen */
assert(validate_hostname("example-.com", 12) == 0); /* label ends with hyphen */
/* Too long hostname (> 255) */
char long_name[260];
memset(long_name, 'a', 259);
long_name[259] = '\0';
assert(validate_hostname(long_name, 259) == 0);
}
int
main(void)
{
test_get_sockaddr_len();
test_sockaddr_cmp();
test_sockaddr_cmp_addr();
test_validate_hostname();
return 0;
}
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