diff options
Diffstat (limited to 'tests/socket/socket_test.c')
| -rw-r--r-- | tests/socket/socket_test.c | 347 |
1 files changed, 341 insertions, 6 deletions
diff --git a/tests/socket/socket_test.c b/tests/socket/socket_test.c index 37e02819..34130b26 100644 --- a/tests/socket/socket_test.c +++ b/tests/socket/socket_test.c @@ -12,10 +12,6 @@ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * */ #include <stdio.h> @@ -23,6 +19,8 @@ #include <unistd.h> #include <string.h> #include <fcntl.h> +#include <inttypes.h> +#include <errno.h> #include <sys/socket.h> #include <arpa/inet.h> @@ -32,8 +30,9 @@ #include <osmocom/core/utils.h> #include <osmocom/core/socket.h> #include <osmocom/core/logging.h> +#include <osmocom/core/bits.h> -#include "../config.h" +#include "config.h" void *ctx = NULL; @@ -120,11 +119,341 @@ static int test_sockinit2(void) * FreeBSD 10 or 11 VM at home */ OSMO_ASSERT(!strncmp(name, "(r=127.0.0.1:53<->l=127.0.0.1", 29)); #endif + + printf("Checking osmo_sock_init2(AF_UNSPEC) must fail on mixed IPv4 & IPv6\n"); + fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, "::1", 53, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd < 0); + + printf("Checking osmo_sock_init2(AF_UNSPEC) must fail on mixed IPv6 & IPv4\n"); + fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "::1", 0, "127.0.0.1", 53, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd < 0); + + printf("Checking osmo_sock_init2(AF_UNSPEC) BIND + CONNECT on IPv4\n"); + fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, "127.0.0.1", 53, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd >= 0); + + printf("Checking osmo_sock_init2(AF_UNSPEC) BIND + CONNECT on IPv6\n"); + fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "::1", 0, "::1", 53, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd >= 0); + + printf("Checking osmo_sock_init2(AF_UNSPEC) BIND on IPv4\n"); + fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, NULL, 0, + OSMO_SOCK_F_BIND); + OSMO_ASSERT(fd >= 0); + talloc_free(name); return 0; } +static int test_get_ip_and_port(void) +{ + int fd, rc; + char ip[INET6_ADDRSTRLEN] = { }; + char port[6] = { }; + + printf("Checking test_get_ip_and_port() for combined BIND + CONNECT on IPv4\n"); + fd = osmo_sock_init2(AF_INET, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, "127.0.0.1", 55, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + + OSMO_ASSERT(fd >= 0); + + /* get the remote */ + rc = osmo_sock_get_ip_and_port(fd, ip, sizeof(ip), port, sizeof(port), false); + OSMO_ASSERT(rc == 0); + OSMO_ASSERT(strncmp(ip, "127.0.0.1", INET6_ADDRSTRLEN) == 0); + OSMO_ASSERT(strncmp(port, "55", 6) == 0); + + printf("Checking test_get_ip_and_port() for combined BIND + CONNECT on IPv6\n"); + fd = osmo_sock_init2(AF_INET6, SOCK_DGRAM, IPPROTO_UDP, "::1", 0, "::1", 55, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd >= 0); + + /* get the remote */ + rc = osmo_sock_get_ip_and_port(fd, ip, sizeof(ip), port, sizeof(port), false); + OSMO_ASSERT(rc == 0); + OSMO_ASSERT(strncmp(ip, "::1", INET6_ADDRSTRLEN) == 0); + OSMO_ASSERT(strncmp(port, "55", 6) == 0); + + return 0; +} + +static int test_sockinit_osa(void) +{ + int fd, rc; + char *name; + + struct osmo_sockaddr localhost4 = {}; + struct osmo_sockaddr localhost6 = {}; + struct osmo_sockaddr localhost4_noport = {}; + struct osmo_sockaddr localhost6_noport = {}; + struct osmo_sockaddr any4 = {}; + struct osmo_sockaddr any6 = {}; + struct osmo_sockaddr invalid = {}; + + localhost4.u.sin = (struct sockaddr_in){ + .sin_family = AF_INET, + .sin_addr.s_addr = inet_addr("127.0.0.1"), + .sin_port = htons(42), + }; + + localhost6.u.sin6 = (struct sockaddr_in6){ + .sin6_family = AF_INET6, + .sin6_port = htons(42), + }; + inet_pton(AF_INET6, "::1", &localhost6.u.sin6.sin6_addr); + + localhost4_noport = localhost4; + localhost4_noport.u.sin.sin_port = htons(0); + localhost6_noport = localhost6; + localhost6_noport.u.sin6.sin6_port = htons(0); + + any4.u.sin = (struct sockaddr_in){ + .sin_family = AF_INET, + .sin_addr.s_addr = inet_addr("0.0.0.0"), + .sin_port = htons(0), + }; + any6.u.sin6 = (struct sockaddr_in6){ + .sin6_family = AF_INET6, + .sin6_port = htons(0), + }; + inet_pton(AF_INET6, "::", &any6.u.sin6.sin6_addr); + + invalid.u.sa.sa_family = AF_UNSPEC; + + printf("Checking osmo_sock_init_osa() with bind to a random local UDP port\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, + &any4, NULL, OSMO_SOCK_F_BIND); + OSMO_ASSERT(fd >= 0); + name = osmo_sock_get_name(ctx, fd); + /* expect it to be not connected. We cannot match on INADDR_ANY, + * as apparently that won't work on FreeBSD if there's only one + * address (e.g. 137.0.0.1) assigned to the entire system, like + * the Osmocom FreeBSD build slaves */ + OSMO_ASSERT(!strncmp(name, "(r=NULL<->", 9)); + talloc_free(name); + /* expect it to be blocking */ + rc = fcntl(fd, F_GETFL); + OSMO_ASSERT(!(rc & O_NONBLOCK)); + close(fd); + + printf("Checking osmo_sock_init_osa() IPv4 for OSMO_SOCK_F_NONBLOCK\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, + &any4, NULL, OSMO_SOCK_F_BIND|OSMO_SOCK_F_NONBLOCK); + OSMO_ASSERT(fd >= 0); + /* expect it to be blocking */ + rc = fcntl(fd, F_GETFL); + OSMO_ASSERT(rc & O_NONBLOCK); + close(fd); + + printf("Checking osmo_sock_init_osa() IPv6 for OSMO_SOCK_F_NONBLOCK\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, + &any6, NULL, OSMO_SOCK_F_BIND|OSMO_SOCK_F_NONBLOCK); + OSMO_ASSERT(fd >= 0); + /* expect it to be blocking */ + rc = fcntl(fd, F_GETFL); + OSMO_ASSERT(rc & O_NONBLOCK); + close(fd); + + printf("Checking osmo_sock_init_osa() for invalid flags\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &any4, NULL, 0); + OSMO_ASSERT(fd < 0); + + printf("Checking osmo_sock_init_osa() for combined BIND + CONNECT on IPv4\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &localhost4_noport, &localhost4, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd >= 0); + name = osmo_sock_get_name(ctx, fd); +#ifndef __FreeBSD__ + /* For some reason, on the jenkins.osmocom.org build slave with + * FreeBSD 10 inside a jail, it fails. Works fine on laforge's + * FreeBSD 10 or 11 VM at home */ + OSMO_ASSERT(!strncmp(name, "(r=127.0.0.1:42<->l=127.0.0.1", 29)); +#endif + close(fd); + + printf("Checking osmo_sock_init_osa() for combined BIND + CONNECT on IPv6\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &localhost6_noport, &localhost6, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd >= 0); + name = osmo_sock_get_name(ctx, fd); +#ifndef __FreeBSD__ + /* For some reason, on the jenkins.osmocom.org build slave with + * FreeBSD 10 inside a jail, it fails. Works fine on laforge's + * FreeBSD 10 or 11 VM at home */ + OSMO_ASSERT(!strncmp(name, "(r=::1:42<->l=::1", 17)); +#endif + close(fd); + + printf("Checking osmo_sock_init_osa() must fail on mixed IPv4 & IPv6\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &localhost4_noport, &localhost6, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd < 0); + + printf("Checking osmo_sock_init_osa() must fail on mixed IPv6 & IPv4\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &localhost6_noport, &localhost4, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd < 0); + + printf("Checking osmo_sock_init_osa() must fail on invalid osmo_sockaddr\n"); + fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &invalid, &localhost4, + OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT); + OSMO_ASSERT(fd < 0); + + talloc_free(name); + + return 0; +} + +static void test_osa_str(void) +{ + char buf[256]; + const char *result; + struct osmo_sockaddr localhost4 = {}; + struct osmo_sockaddr localhost6 = {}; + struct osmo_sockaddr osa = {}; + + localhost4.u.sin = (struct sockaddr_in){ + .sin_family = AF_INET, + .sin_addr.s_addr = inet_addr("127.0.0.1"), + .sin_port = htons(42), + }; + + localhost6.u.sin6 = (struct sockaddr_in6){ + .sin6_family = AF_INET6, + .sin6_port = htons(42), + }; + inet_pton(AF_INET6, "::1", &localhost6.u.sin6.sin6_addr); + + /* test a too short str */ + memset(&buf[0], 0, sizeof(buf)); + result = osmo_sockaddr_to_str_buf(buf, 1, &localhost4); + printf("Checking osmo_sockaddr_to_str_buf to small IPv4\n"); + OSMO_ASSERT(result == NULL); + + memset(&buf[0], 0, sizeof(buf)); + result = osmo_sockaddr_to_str_buf(buf, sizeof(buf), &localhost4); + printf("Checking osmo_sockaddr_to_str_buf IPv4\n"); + OSMO_ASSERT(!strncmp("127.0.0.1:42", result, sizeof(buf))); + + memset(&buf[0], 0, sizeof(buf)); + result = osmo_sockaddr_to_str_buf(buf, 256, &localhost6); + printf("Checking osmo_sockaddr_to_str_buf IPv6\n"); + OSMO_ASSERT(!strncmp("[::1]:42", result, sizeof(buf))); + + memset(&buf[0], 0, sizeof(buf)); + printf("Checking osmo_sockaddr_to_str_buf too short IPv6\n"); + result = osmo_sockaddr_to_str_buf(buf, 8, &localhost6); + OSMO_ASSERT(result == NULL); + osmo_sockaddr_to_str_buf2(buf, 8, &localhost6); + OSMO_ASSERT(!strncmp("[::1]:4", buf, sizeof(buf))); + + memset(&buf[0], 0, sizeof(buf)); + result = osmo_sockaddr_to_str_buf(buf, 5, &localhost6); + printf("Checking osmo_sockaddr_to_str_buf too short IPv6\n"); + OSMO_ASSERT(result == NULL); + + localhost6.u.sin6.sin6_port = 0; + memset(&buf[0], 0, sizeof(buf)); + result = osmo_sockaddr_to_str_buf(buf, 5, &localhost6); + printf("Checking osmo_sockaddr_to_str_buf only 5 bytes IPv6\n"); + OSMO_ASSERT(result == NULL); + + inet_pton(AF_INET6, "::", &localhost6.u.sin6.sin6_addr); + memset(&buf[0], 0, sizeof(buf)); + result = osmo_sockaddr_to_str_buf(buf, 5, &localhost6); + printf("Checking osmo_sockaddr_to_str_buf only 5 bytes IPv6\n"); + OSMO_ASSERT(!strncmp("[::]", result, sizeof(buf))); + + inet_pton(AF_INET6, "2003:1234:5678:90ab:cdef:1234:4321:4321", &localhost6.u.sin6.sin6_addr); + memset(&buf[0], 0, sizeof(buf)); + result = osmo_sockaddr_to_str_buf(buf, sizeof(buf), &localhost6); + printf("Checking osmo_sockaddr_to_str_buf long IPv6\n"); + OSMO_ASSERT(!strncmp("[2003:1234:5678:90ab:cdef:1234:4321:4321]", result, sizeof(buf))); + + localhost6.u.sin6.sin6_port = htons(23420); + memset(&buf[0], 0, sizeof(buf)); + result = osmo_sockaddr_to_str_buf(buf, sizeof(buf), &localhost6); + printf("Checking osmo_sockaddr_to_str_buf long IPv6 port\n"); + OSMO_ASSERT(!strncmp("[2003:1234:5678:90ab:cdef:1234:4321:4321]:23420", result, sizeof(buf))); + + result = osmo_sockaddr_to_str(&localhost6); + printf("Checking osmo_sockaddr_to_str_buf long IPv6 port static buffer\n"); + OSMO_ASSERT(!strncmp("[2003:1234:5678:90ab:cdef:1234:4321:4321]:23420", result, sizeof(buf))); + + printf("Checking osmo_sockaddr_from_str_and_uint for 0.0.0.0\n"); + OSMO_ASSERT(osmo_sockaddr_from_str_and_uint(&osa, "0.0.0.0", 1234) == 0); + OSMO_ASSERT(osmo_sockaddr_is_any(&osa)); + + printf("Checking osmo_sockaddr_from_str_and_uint for ::\n"); + OSMO_ASSERT(osmo_sockaddr_from_str_and_uint(&osa, "::", 1234) == 0); + OSMO_ASSERT(osmo_sockaddr_is_any(&osa)); + + printf("Checking osmo_sockaddr_from_str_and_uint for 1.2.3.4\n"); + OSMO_ASSERT(osmo_sockaddr_from_str_and_uint(&osa, "1.2.3.4", 1234) == 0); + OSMO_ASSERT(!osmo_sockaddr_is_any(&osa)); +} + +static void test_osa_netmask_prefixlen(void) +{ + struct osmo_sockaddr ipv4; + struct osmo_sockaddr ipv6; + int rc; + + ipv4.u.sin = (struct sockaddr_in){ + .sin_family = AF_INET, + }; + + ipv4.u.sin.sin_addr.s_addr = inet_addr("0.0.0.0"); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv4); + OSMO_ASSERT(rc == 0); + + ipv4.u.sin.sin_addr.s_addr = inet_addr("255.0.0.0"); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv4); + OSMO_ASSERT(rc == 8); + + ipv4.u.sin.sin_addr.s_addr = inet_addr("255.255.0.0"); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv4); + OSMO_ASSERT(rc == 16); + + ipv4.u.sin.sin_addr.s_addr = inet_addr("255.255.255.0"); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv4); + OSMO_ASSERT(rc == 24); + + ipv4.u.sin.sin_addr.s_addr = inet_addr("255.255.255.255"); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv4); + OSMO_ASSERT(rc == 32); + + ipv4.u.sin.sin_addr.s_addr = inet_addr("0.255.0.0"); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv4); + /* FIXME: This shows the implementation is not that robust checking validity of input netmask: */ + OSMO_ASSERT(rc == 8); + + ipv6.u.sin6 = (struct sockaddr_in6){ + .sin6_family = AF_INET6, + }; + + inet_pton(AF_INET6, "fe::", &ipv6.u.sin6.sin6_addr); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv6); + OSMO_ASSERT(rc == 7); + + inet_pton(AF_INET6, "ff::", &ipv6.u.sin6.sin6_addr); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv6); + OSMO_ASSERT(rc == 8); + + inet_pton(AF_INET6, "ff:ff::", &ipv6.u.sin6.sin6_addr); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv6); + OSMO_ASSERT(rc == 16); + + inet_pton(AF_INET6, "ff:ff::ff", &ipv6.u.sin6.sin6_addr); + rc = osmo_sockaddr_netmask_to_prefixlen(&ipv6); + /* FIXME: This shows the implementation is not that robust checking validity of input netmask: */ + OSMO_ASSERT(rc == 24); +} const struct log_info_cat default_categories[] = { }; @@ -139,10 +468,16 @@ int main(int argc, char *argv[]) ctx = talloc_named_const(NULL, 0, "socket_test"); osmo_init_logging2(ctx, &info); log_set_use_color(osmo_stderr_target, 0); - log_set_print_filename(osmo_stderr_target, 0); + log_set_print_filename2(osmo_stderr_target, LOG_FILENAME_NONE); + log_set_print_category(osmo_stderr_target, 0); + log_set_print_category_hex(osmo_stderr_target, 0); test_sockinit(); test_sockinit2(); + test_get_ip_and_port(); + test_sockinit_osa(); + test_osa_str(); + test_osa_netmask_prefixlen(); return EXIT_SUCCESS; } |