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#include <sys/cdefs.h>
#include "namespace.h"
#include <lib.h>
#include <minix/config.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <netinet/in.h>
#include <net/gen/in.h>
#include <net/gen/tcp.h>
#include <net/gen/tcp_io.h>
#include <net/gen/udp.h>
#include <net/gen/udp_io.h>
#include <minix/const.h>
#define DEBUG 0
static int _tcp_connect(int sock, const struct sockaddr *address,
socklen_t address_len, nwio_tcpconf_t *tcpconfp);
static int _udp_connect(int sock, const struct sockaddr *address,
socklen_t address_len, nwio_udpopt_t *udpoptp);
static int _uds_connect(int sock, const struct sockaddr *address,
socklen_t address_len);
/*
* Connect a socket to a remote address.
*/
static int
__connect(int fd, const struct sockaddr * address, socklen_t address_len)
{
message m;
memset(&m, 0, sizeof(m));
m.m_lc_vfs_sockaddr.fd = fd;
m.m_lc_vfs_sockaddr.addr = (vir_bytes)address;
m.m_lc_vfs_sockaddr.addr_len = address_len;
return _syscall(VFS_PROC_NR, VFS_CONNECT, &m);
}
int connect(int sock, const struct sockaddr *address,
socklen_t address_len)
{
int r;
nwio_tcpconf_t tcpconf;
nwio_udpopt_t udpopt;
r = __connect(sock, address, address_len);
if (r != -1 || (errno != ENOTSOCK && errno != ENOSYS))
return r;
r= ioctl(sock, NWIOGTCPCONF, &tcpconf);
if (r != -1 || errno != ENOTTY)
{
if (r == -1)
{
/* Bad file descriptor */
return -1;
}
return _tcp_connect(sock, address, address_len, &tcpconf);
}
r= ioctl(sock, NWIOGUDPOPT, &udpopt);
if (r != -1 || errno != ENOTTY)
{
if (r == -1)
{
/* Bad file descriptor */
return -1;
}
return _udp_connect(sock, address, address_len, &udpopt);
}
r= _uds_connect(sock, address, address_len);
if (r != -1 || (errno != ENOTTY && errno != EAFNOSUPPORT))
{
if (r == -1)
{
/* Bad file descriptor */
return -1;
}
return r;
}
errno = ENOTSOCK;
return -1;
}
static int _tcp_connect(int sock, const struct sockaddr *address,
socklen_t address_len, nwio_tcpconf_t *tcpconfp)
{
int r;
struct sockaddr_in *sinp;
nwio_tcpconf_t tcpconf;
nwio_tcpcl_t tcpcl;
if (address_len != sizeof(*sinp))
{
errno= EINVAL;
return -1;
}
sinp= (struct sockaddr_in *) __UNCONST(address);
if (sinp->sin_family != AF_INET)
{
errno= EINVAL;
return -1;
}
tcpconf.nwtc_flags= NWTC_SET_RA | NWTC_SET_RP;
if ((tcpconfp->nwtc_flags & NWTC_LOCPORT_MASK) == NWTC_LP_UNSET)
tcpconf.nwtc_flags |= NWTC_LP_SEL;
tcpconf.nwtc_remaddr= sinp->sin_addr.s_addr;
tcpconf.nwtc_remport= sinp->sin_port;
if (ioctl(sock, NWIOSTCPCONF, &tcpconf) == -1)
{
/* Ignore EISCONN error. The NWIOTCPCONN ioctl will get the
* right error.
*/
if (errno != EISCONN)
return -1;
}
tcpcl.nwtcl_flags= TCF_DEFAULT;
r= fcntl(sock, F_GETFL);
if (r == 1)
return -1;
if (r & O_NONBLOCK)
tcpcl.nwtcl_flags |= TCF_ASYNCH;
r= ioctl(sock, NWIOTCPCONN, &tcpcl);
return r;
}
static int _udp_connect(int sock, const struct sockaddr *address,
socklen_t address_len, nwio_udpopt_t *udpoptp)
{
int r;
struct sockaddr_in *sinp;
nwio_udpopt_t udpopt;
if (address == NULL)
{
/* Unset remote address */
udpopt.nwuo_flags= NWUO_RP_ANY | NWUO_RA_ANY | NWUO_RWDATALL;
r= ioctl(sock, NWIOSUDPOPT, &udpopt);
return r;
}
if (address_len != sizeof(*sinp))
{
errno= EINVAL;
return -1;
}
sinp= (struct sockaddr_in *) __UNCONST(address);
if (sinp->sin_family != AF_INET)
{
errno= EINVAL;
return -1;
}
udpopt.nwuo_flags= NWUO_RP_SET | NWUO_RA_SET | NWUO_RWDATONLY;
if ((udpoptp->nwuo_flags & NWUO_LOCPORT_MASK) == NWUO_LP_ANY)
udpopt.nwuo_flags |= NWUO_LP_SEL;
udpopt.nwuo_remaddr= sinp->sin_addr.s_addr;
udpopt.nwuo_remport= sinp->sin_port;
r= ioctl(sock, NWIOSUDPOPT, &udpopt);
return r;
}
static int _uds_connect(int sock, const struct sockaddr *address,
socklen_t address_len)
{
if (address == NULL) {
errno = EFAULT;
return -1;
}
/* perform the connect */
return ioctl(sock, NWIOSUDSCONN, (void *) __UNCONST(address));
}
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