int
connect_to_ip (const ip_address *ip, int port, const char *print)
{
struct sockaddr_storage ss;
struct sockaddr *sa = (struct sockaddr *)&ss;
int sock;
/* If PRINT is non-NULL, print the "Connecting to..." line, with
PRINT being the host name we're connecting to. */
if (print)
{
const char *txt_addr = print_address (ip);
if (0 != strcmp (print, txt_addr))
{
char *str = NULL, *name;
if (opt.enable_iri && (name = idn_decode ((char *) print)) != NULL)
{
int len = strlen (print) + strlen (name) + 4;
str = xmalloc (len);
snprintf (str, len, "%s (%s)", name, print);
str[len-1] = '\0';
xfree (name);
}
logprintf (LOG_VERBOSE, _("Connecting to %s|%s|:%d... "),
str ? str : escnonprint_uri (print), txt_addr, port);
if (str)
xfree (str);
}
else
{
if (ip->family == AF_INET)
logprintf (LOG_VERBOSE, _("Connecting to %s:%d... "), txt_addr, port);
#ifdef ENABLE_IPV6
else if (ip->family == AF_INET6)
logprintf (LOG_VERBOSE, _("Connecting to [%s]:%d... "), txt_addr, port);
#endif
}
}
/* Store the sockaddr info to SA. */
sockaddr_set_data (sa, ip, port);
printf("The socket function reached!\n");
/* Create the socket of the family appropriate for the address. */
sock = socket (sa->sa_family, SOCK_STREAM, 0);
if (sock < 0)
goto err;
#if defined(ENABLE_IPV6) && defined(IPV6_V6ONLY)
if (opt.ipv6_only) {
int on = 1;
/* In case of error, we will go on anyway... */
int err = setsockopt (sock, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on));
IF_DEBUG
if (err < 0)
DEBUGP (("Failed setting IPV6_V6ONLY: %s", strerror (errno)));
}
static bool
resolve_bind_address (struct sockaddr *sa)
{
struct address_list *al;
/* Make sure this is called only once. opt.bind_address doesn't
change during a Wget run. */
static bool called, should_bind;
static ip_address ip;
if (called)
{
if (should_bind)
sockaddr_set_data (sa, &ip, 0);
return should_bind;
}
called = true;
al = lookup_host (opt.bind_address, LH_BIND | LH_SILENT);
if (!al)
{
/* #### We should be able to print the error message here. */
logprintf (LOG_NOTQUIET,
_("%s: unable to resolve bind address `%s'; disabling bind.\n"),
exec_name, opt.bind_address);
should_bind = false;
return false;
}
/* Pick the first address in the list and use it as bind address.
Perhaps we should try multiple addresses in succession, but I
don't think that's necessary in practice. */
ip = *address_list_address_at (al, 0);
address_list_release (al);
sockaddr_set_data (sa, &ip, 0);
should_bind = true;
return true;
}
int
connect_to_ip (const ip_address *ip, int port, const char *print)
{
struct sockaddr_storage ss;
struct sockaddr *sa = (struct sockaddr *)&ss;
int sock;
/* If PRINT is non-NULL, print the "Connecting to..." line, with
PRINT being the host name we're connecting to. */
if (print)
{
const char *txt_addr = print_address (ip);
if (print && 0 != strcmp (print, txt_addr))
logprintf (LOG_VERBOSE, _("Connecting to %s|%s|:%d... "),
escnonprint (print), txt_addr, port);
else
logprintf (LOG_VERBOSE, _("Connecting to %s:%d... "), txt_addr, port);
}
/* Store the sockaddr info to SA. */
sockaddr_set_data (sa, ip, port);
/* Create the socket of the family appropriate for the address. */
sock = socket (sa->sa_family, SOCK_STREAM, 0);
if (sock < 0)
goto err;
#if defined(ENABLE_IPV6) && defined(IPV6_V6ONLY)
if (opt.ipv6_only) {
int on = 1;
/* In case of error, we will go on anyway... */
int err = setsockopt (sock, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on));
IF_DEBUG
if (err < 0)
DEBUGP (("Failed setting IPV6_V6ONLY: %s", strerror (errno)));
}
