mirror of https://gerrit.osmocom.org/libosmocore
471 lines
15 KiB
C
471 lines
15 KiB
C
/*
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* (C) 2017 by Harald Welte <laforge@gnumonks.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <fcntl.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/socket.h>
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#include <arpa/inet.h>
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#include <netinet/in.h>
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#include <osmocom/core/application.h>
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#include <osmocom/core/utils.h>
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#include <osmocom/core/socket.h>
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#include <osmocom/core/logging.h>
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#include <osmocom/core/bits.h>
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#include "../config.h"
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void *ctx = NULL;
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static int test_sockinit(void)
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{
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int fd, rc;
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char *name;
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printf("Checking osmo_sock_init() with bind to a random local UDP port\n");
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fd = osmo_sock_init(AF_INET, SOCK_DGRAM, IPPROTO_UDP,
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"0.0.0.0", 0, OSMO_SOCK_F_BIND);
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OSMO_ASSERT(fd >= 0);
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name = osmo_sock_get_name(ctx, fd);
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/* expect it to be not connected. We cannot match on INADDR_ANY,
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* as apparently that won't work on FreeBSD if there's only one
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* address (e.g. 127.0.0.1) assigned to the entire system, like
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* the Osmocom FreeBSD build slaves */
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OSMO_ASSERT(!strncmp(name, "(r=NULL<->", 9));
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talloc_free(name);
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/* expect it to be blocking */
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rc = fcntl(fd, F_GETFL);
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OSMO_ASSERT(!(rc & O_NONBLOCK));
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close(fd);
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printf("Checking for OSMO_SOCK_F_NONBLOCK\n");
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fd = osmo_sock_init(AF_INET, SOCK_DGRAM, IPPROTO_UDP,
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"0.0.0.0", 0, OSMO_SOCK_F_BIND|OSMO_SOCK_F_NONBLOCK);
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OSMO_ASSERT(fd >= 0);
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/* expect it to be blocking */
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rc = fcntl(fd, F_GETFL);
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OSMO_ASSERT(rc & O_NONBLOCK);
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close(fd);
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printf("Checking for invalid flags\n");
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fd = osmo_sock_init(AF_INET, SOCK_DGRAM, IPPROTO_UDP,
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"0.0.0.0", 0, OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd < 0);
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return 0;
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}
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static int test_sockinit2(void)
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{
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int fd, rc;
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char *name;
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printf("Checking osmo_sock_init2() with bind to a random local UDP port\n");
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fd = osmo_sock_init2(AF_INET, SOCK_DGRAM, IPPROTO_UDP,
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"0.0.0.0", 0, NULL, 0, OSMO_SOCK_F_BIND);
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OSMO_ASSERT(fd >= 0);
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name = osmo_sock_get_name(ctx, fd);
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/* expect it to be not connected. We cannot match on INADDR_ANY,
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* as apparently that won't work on FreeBSD if there's only one
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* address (e.g. 127.0.0.1) assigned to the entire system, like
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* the Osmocom FreeBSD build slaves */
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OSMO_ASSERT(!strncmp(name, "(r=NULL<->", 9));
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talloc_free(name);
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/* expect it to be blocking */
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rc = fcntl(fd, F_GETFL);
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OSMO_ASSERT(!(rc & O_NONBLOCK));
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close(fd);
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printf("Checking osmo_sock_init2() for OSMO_SOCK_F_NONBLOCK\n");
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fd = osmo_sock_init2(AF_INET, SOCK_DGRAM, IPPROTO_UDP,
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"0.0.0.0", 0, NULL, 0, OSMO_SOCK_F_BIND|OSMO_SOCK_F_NONBLOCK);
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OSMO_ASSERT(fd >= 0);
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/* expect it to be blocking */
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rc = fcntl(fd, F_GETFL);
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OSMO_ASSERT(rc & O_NONBLOCK);
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close(fd);
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printf("Checking osmo_sock_init2() for invalid flags\n");
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fd = osmo_sock_init2(AF_INET, SOCK_DGRAM, IPPROTO_UDP, "0.0.0.0", 0, NULL, 0, 0);
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OSMO_ASSERT(fd < 0);
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printf("Checking osmo_sock_init2() for combined BIND + CONNECT\n");
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fd = osmo_sock_init2(AF_INET, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, "127.0.0.1", 53,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd >= 0);
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name = osmo_sock_get_name(ctx, fd);
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#ifndef __FreeBSD__
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/* For some reason, on the jenkins.osmocom.org build slave with
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* FreeBSD 10 inside a jail, it fails. Works fine on laforge's
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* FreeBSD 10 or 11 VM at home */
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OSMO_ASSERT(!strncmp(name, "(r=127.0.0.1:53<->l=127.0.0.1", 29));
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#endif
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printf("Checking osmo_sock_init2(AF_UNSPEC) must fail on mixed IPv4 & IPv6\n");
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fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, "::1", 53,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd < 0);
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printf("Checking osmo_sock_init2(AF_UNSPEC) must fail on mixed IPv6 & IPv4\n");
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fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "::1", 0, "127.0.0.1", 53,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd < 0);
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printf("Checking osmo_sock_init2(AF_UNSPEC) BIND + CONNECT on IPv4\n");
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fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, "127.0.0.1", 53,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd >= 0);
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printf("Checking osmo_sock_init2(AF_UNSPEC) BIND + CONNECT on IPv6\n");
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fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "::1", 0, "::1", 53,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd >= 0);
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printf("Checking osmo_sock_init2(AF_UNSPEC) BIND on IPv4\n");
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fd = osmo_sock_init2(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, NULL, 0,
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OSMO_SOCK_F_BIND);
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OSMO_ASSERT(fd >= 0);
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talloc_free(name);
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return 0;
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}
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static int test_get_ip_and_port(void)
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{
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int fd, rc;
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char ip[INET6_ADDRSTRLEN] = { };
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char port[6] = { };
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printf("Checking test_get_ip_and_port() for combined BIND + CONNECT on IPv4\n");
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fd = osmo_sock_init2(AF_INET, SOCK_DGRAM, IPPROTO_UDP, "127.0.0.1", 0, "127.0.0.1", 55,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd >= 0);
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/* get the remote */
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rc = osmo_sock_get_ip_and_port(fd, ip, sizeof(ip), port, sizeof(port), false);
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OSMO_ASSERT(rc == 0);
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OSMO_ASSERT(strncmp(ip, "127.0.0.1", INET6_ADDRSTRLEN) == 0);
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OSMO_ASSERT(strncmp(port, "55", 6) == 0);
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printf("Checking test_get_ip_and_port() for combined BIND + CONNECT on IPv6\n");
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fd = osmo_sock_init2(AF_INET6, SOCK_DGRAM, IPPROTO_UDP, "::1", 0, "::1", 55,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd >= 0);
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/* get the remote */
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rc = osmo_sock_get_ip_and_port(fd, ip, sizeof(ip), port, sizeof(port), false);
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OSMO_ASSERT(rc == 0);
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OSMO_ASSERT(strncmp(ip, "::1", INET6_ADDRSTRLEN) == 0);
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OSMO_ASSERT(strncmp(port, "55", 6) == 0);
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return 0;
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}
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static int test_sockinit_osa(void)
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{
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int fd, rc;
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char *name;
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struct osmo_sockaddr localhost4 = {};
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struct osmo_sockaddr localhost6 = {};
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struct osmo_sockaddr localhost4_noport = {};
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struct osmo_sockaddr localhost6_noport = {};
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struct osmo_sockaddr any4 = {};
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struct osmo_sockaddr any6 = {};
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struct osmo_sockaddr invalid = {};
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localhost4.u.sin = (struct sockaddr_in){
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.sin_family = AF_INET,
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.sin_addr.s_addr = inet_addr("127.0.0.1"),
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.sin_port = htons(42),
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};
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localhost6.u.sin6 = (struct sockaddr_in6){
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.sin6_family = AF_INET6,
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.sin6_port = htons(42),
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};
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inet_pton(AF_INET6, "::1", &localhost6.u.sin6.sin6_addr);
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localhost4_noport = localhost4;
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localhost4_noport.u.sin.sin_port = htons(0);
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localhost6_noport = localhost6;
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localhost6_noport.u.sin6.sin6_port = htons(0);
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any4.u.sin = (struct sockaddr_in){
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.sin_family = AF_INET,
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.sin_addr.s_addr = inet_addr("0.0.0.0"),
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.sin_port = htons(0),
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};
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any6.u.sin6 = (struct sockaddr_in6){
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.sin6_family = AF_INET6,
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.sin6_port = htons(0),
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};
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inet_pton(AF_INET6, "::", &any6.u.sin6.sin6_addr);
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invalid.u.sa.sa_family = AF_UNSPEC;
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printf("Checking osmo_sock_init_osa() with bind to a random local UDP port\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP,
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&any4, NULL, OSMO_SOCK_F_BIND);
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OSMO_ASSERT(fd >= 0);
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name = osmo_sock_get_name(ctx, fd);
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/* expect it to be not connected. We cannot match on INADDR_ANY,
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* as apparently that won't work on FreeBSD if there's only one
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* address (e.g. 137.0.0.1) assigned to the entire system, like
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* the Osmocom FreeBSD build slaves */
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OSMO_ASSERT(!strncmp(name, "(r=NULL<->", 9));
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talloc_free(name);
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/* expect it to be blocking */
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rc = fcntl(fd, F_GETFL);
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OSMO_ASSERT(!(rc & O_NONBLOCK));
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close(fd);
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printf("Checking osmo_sock_init_osa() IPv4 for OSMO_SOCK_F_NONBLOCK\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP,
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&any4, NULL, OSMO_SOCK_F_BIND|OSMO_SOCK_F_NONBLOCK);
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OSMO_ASSERT(fd >= 0);
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/* expect it to be blocking */
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rc = fcntl(fd, F_GETFL);
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OSMO_ASSERT(rc & O_NONBLOCK);
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close(fd);
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printf("Checking osmo_sock_init_osa() IPv6 for OSMO_SOCK_F_NONBLOCK\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP,
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&any6, NULL, OSMO_SOCK_F_BIND|OSMO_SOCK_F_NONBLOCK);
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OSMO_ASSERT(fd >= 0);
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/* expect it to be blocking */
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rc = fcntl(fd, F_GETFL);
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OSMO_ASSERT(rc & O_NONBLOCK);
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close(fd);
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printf("Checking osmo_sock_init_osa() for invalid flags\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &any4, NULL, 0);
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OSMO_ASSERT(fd < 0);
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printf("Checking osmo_sock_init_osa() for combined BIND + CONNECT on IPv4\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &localhost4_noport, &localhost4,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd >= 0);
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name = osmo_sock_get_name(ctx, fd);
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#ifndef __FreeBSD__
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/* For some reason, on the jenkins.osmocom.org build slave with
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* FreeBSD 10 inside a jail, it fails. Works fine on laforge's
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* FreeBSD 10 or 11 VM at home */
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OSMO_ASSERT(!strncmp(name, "(r=127.0.0.1:42<->l=127.0.0.1", 29));
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#endif
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close(fd);
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printf("Checking osmo_sock_init_osa() for combined BIND + CONNECT on IPv6\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &localhost6_noport, &localhost6,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd >= 0);
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name = osmo_sock_get_name(ctx, fd);
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#ifndef __FreeBSD__
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/* For some reason, on the jenkins.osmocom.org build slave with
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* FreeBSD 10 inside a jail, it fails. Works fine on laforge's
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* FreeBSD 10 or 11 VM at home */
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OSMO_ASSERT(!strncmp(name, "(r=::1:42<->l=::1", 17));
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#endif
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close(fd);
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printf("Checking osmo_sock_init_osa() must fail on mixed IPv4 & IPv6\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &localhost4_noport, &localhost6,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd < 0);
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printf("Checking osmo_sock_init_osa() must fail on mixed IPv6 & IPv4\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &localhost6_noport, &localhost4,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd < 0);
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printf("Checking osmo_sock_init_osa() must fail on invalid osmo_sockaddr\n");
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fd = osmo_sock_init_osa(SOCK_DGRAM, IPPROTO_UDP, &invalid, &localhost4,
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OSMO_SOCK_F_BIND|OSMO_SOCK_F_CONNECT);
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OSMO_ASSERT(fd < 0);
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talloc_free(name);
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return 0;
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}
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static void test_osa_str(void)
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{
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char buf[256];
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const char *result;
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struct osmo_sockaddr localhost4 = {};
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struct osmo_sockaddr localhost6 = {};
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localhost4.u.sin = (struct sockaddr_in){
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.sin_family = AF_INET,
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.sin_addr.s_addr = inet_addr("127.0.0.1"),
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.sin_port = htons(42),
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};
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localhost6.u.sin6 = (struct sockaddr_in6){
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.sin6_family = AF_INET6,
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.sin6_port = htons(42),
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};
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inet_pton(AF_INET6, "::1", &localhost6.u.sin6.sin6_addr);
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/* test a too short str */
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memset(&buf[0], 0, sizeof(buf));
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result = osmo_sockaddr_to_str_buf(buf, 1, &localhost4);
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printf("Checking osmo_sockaddr_to_str_buf to small IPv4\n");
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OSMO_ASSERT(result == NULL);
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memset(&buf[0], 0, sizeof(buf));
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result = osmo_sockaddr_to_str_buf(buf, sizeof(buf), &localhost4);
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printf("Checking osmo_sockaddr_to_str_buf IPv4\n");
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OSMO_ASSERT(!strncmp("127.0.0.1:42", result, sizeof(buf)));
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memset(&buf[0], 0, sizeof(buf));
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result = osmo_sockaddr_to_str_buf(buf, 256, &localhost6);
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printf("Checking osmo_sockaddr_to_str_buf IPv6\n");
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OSMO_ASSERT(!strncmp("[::1]:42", result, sizeof(buf)));
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memset(&buf[0], 0, sizeof(buf));
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printf("Checking osmo_sockaddr_to_str_buf too short IPv6\n");
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result = osmo_sockaddr_to_str_buf(buf, 8, &localhost6);
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OSMO_ASSERT(result == NULL);
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osmo_sockaddr_to_str_buf2(buf, 8, &localhost6);
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OSMO_ASSERT(!strncmp("[::1]:4", buf, sizeof(buf)));
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memset(&buf[0], 0, sizeof(buf));
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result = osmo_sockaddr_to_str_buf(buf, 5, &localhost6);
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printf("Checking osmo_sockaddr_to_str_buf too short IPv6\n");
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OSMO_ASSERT(result == NULL);
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localhost6.u.sin6.sin6_port = 0;
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memset(&buf[0], 0, sizeof(buf));
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result = osmo_sockaddr_to_str_buf(buf, 5, &localhost6);
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printf("Checking osmo_sockaddr_to_str_buf only 5 bytes IPv6\n");
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OSMO_ASSERT(result == NULL);
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inet_pton(AF_INET6, "::", &localhost6.u.sin6.sin6_addr);
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memset(&buf[0], 0, sizeof(buf));
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result = osmo_sockaddr_to_str_buf(buf, 5, &localhost6);
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printf("Checking osmo_sockaddr_to_str_buf only 5 bytes IPv6\n");
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OSMO_ASSERT(!strncmp("[::]", result, sizeof(buf)));
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inet_pton(AF_INET6, "2003:1234:5678:90ab:cdef:1234:4321:4321", &localhost6.u.sin6.sin6_addr);
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memset(&buf[0], 0, sizeof(buf));
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result = osmo_sockaddr_to_str_buf(buf, sizeof(buf), &localhost6);
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printf("Checking osmo_sockaddr_to_str_buf long IPv6\n");
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OSMO_ASSERT(!strncmp("[2003:1234:5678:90ab:cdef:1234:4321:4321]", result, sizeof(buf)));
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localhost6.u.sin6.sin6_port = htons(23420);
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memset(&buf[0], 0, sizeof(buf));
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result = osmo_sockaddr_to_str_buf(buf, sizeof(buf), &localhost6);
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printf("Checking osmo_sockaddr_to_str_buf long IPv6 port\n");
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OSMO_ASSERT(!strncmp("[2003:1234:5678:90ab:cdef:1234:4321:4321]:23420", result, sizeof(buf)));
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result = osmo_sockaddr_to_str(&localhost6);
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printf("Checking osmo_sockaddr_to_str_buf long IPv6 port static buffer\n");
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OSMO_ASSERT(!strncmp("[2003:1234:5678:90ab:cdef:1234:4321:4321]:23420", result, sizeof(buf)));
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}
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static void test_osa_netmask_prefixlen(void)
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{
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struct osmo_sockaddr ipv4;
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struct osmo_sockaddr ipv6;
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int rc;
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ipv4.u.sin = (struct sockaddr_in){
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.sin_family = AF_INET,
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};
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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[] = {
|
|
};
|
|
|
|
static struct log_info info = {
|
|
.cat = default_categories,
|
|
.num_cat = ARRAY_SIZE(default_categories),
|
|
};
|
|
|
|
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_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;
|
|
}
|