libc

/* $Id$ */
/* Copyright (c) 2012-2017 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS System libc */
/* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
#include <sys/select.h>
#include <sys/socket.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <arpa/inet.h>
#include <netinet/in.h>
/* socket */
static int _socket(char const * progname, char const * title, int type)
{
int fd;
printf("%s: Testing %s(%s)\n", progname, "socket", title);
if((fd = socket(AF_INET, type, 0)) < 0)
return 2;
if(close(fd) != 0)
return 3;
return 0;
}
/* socket_udp */
static int _socket_udp(char const * progname)
{
int ret;
int fds = -1;
int fdc;
struct sockaddr_in sa;
uint16_t port;
socklen_t salen;
int nfds;
fd_set rfds;
fd_set wfds;
struct timeval timeout;
int res;
char const bufc[14] = "DeforaOS libc";
char bufs[14];
printf("%s: Testing %s\n", progname, "UDP");
if((fds = socket(AF_INET, SOCK_DGRAM, 0)) < 0
|| (fdc = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
{
if(fds >= 0)
close(fds);
return 2;
}
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_port = htons(0);
sa.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
salen = sizeof(sa);
if(bind(fds, (struct sockaddr *)&sa, sizeof(sa)) != 0
|| getsockname(fds, (struct sockaddr *)&sa,
&salen) != 0)
{
close(fdc);
close(fds);
return 3;
}
port = ntohs(sa.sin_port);
nfds = fdc + 1;
FD_ZERO(&rfds);
FD_ZERO(&wfds);
FD_SET(fdc, &wfds);
for(ret = 0; ret == 0;)
{
timeout.tv_sec = 1;
timeout.tv_usec = 0;
if((res = select(nfds, &rfds, &wfds, NULL, &timeout)) < 0)
ret = 4;
else if(res == 0)
ret = 5;
else if(FD_ISSET(fds, &rfds))
{
if((res = recvfrom(fds, bufs, sizeof(bufs), 0,
(struct sockaddr *)&sa,
&salen)) < 0
|| res != sizeof(bufs))
ret = 6;
if(memcmp(bufs, bufc, sizeof(bufs)) != 0)
ret = 7;
break;
}
else if(FD_ISSET(fdc, &wfds))
{
memset(&sa, 0, sizeof(sa));
sa.sin_family = AF_INET;
sa.sin_port = htons(port);
sa.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
if(sendto(fdc, bufc, sizeof(bufc), 0,
(struct sockaddr *)&sa,
sizeof(sa)) < 0)
ret = 8;
FD_CLR(fdc, &wfds);
nfds = fds + 1;
FD_SET(fds, &rfds);
}
else
ret = 9;
}
if(close(fdc) != 0)
ret = 10;
if(close(fds) != 0)
ret = 11;
return ret;
}
/* main */
int main(int argc, char * argv[])
{
int ret = 0;
(void) argc;
ret |= _socket(argv[0], "1/2", SOCK_DGRAM);
ret |= _socket(argv[0], "2/2", SOCK_STREAM);
ret |= _socket_udp(argv[0]);
return (ret == 0) ? 0 : 2;
}