minix/lib/socket/connect.c

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2005-04-21 16:53:53 +02:00
/* bsd-socket(2)-lookalike */
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <net/ioctl.h>
#include <net/gen/in.h>
#include <net/gen/socket.h>
#include <net/gen/emu.h>
#include <net/gen/tcp.h>
#include <net/gen/tcp_hdr.h>
#include <net/gen/tcp_io.h>
int
connect(int s, struct sockaddr *peer, socklen_t len)
{
nwio_tcpcl_t tcpopt;
nwio_tcpconf_t tcpconf;
struct sockaddr_in *in_peer;
if(!peer || peer->sa_family != AF_INET ||
len != sizeof(struct sockaddr_in)) {
errno = EAFNOSUPPORT;
return -1;
}
in_peer = (struct sockaddr_in *) peer;
memset(&tcpconf, 0, sizeof(tcpconf));
tcpconf.nwtc_flags = NWTC_EXCL | NWTC_LP_SEL | NWTC_SET_RA | NWTC_SET_RP;
tcpconf.nwtc_remaddr = in_peer->sin_addr.s_addr;
tcpconf.nwtc_remport = in_peer->sin_port;
if(ioctl(s, NWIOSTCPCONF, &tcpconf) < 0)
return -1;
tcpopt.nwtcl_flags = 0;
tcpopt.nwtcl_ttl = 0;
if(ioctl(s, NWIOTCPCONN, &tcpopt) < 0)
return -1;
return 0;
}