/* Host name resolution and matching.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
- 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation,
+ Inc.
This file is part of GNU Wget.
#include <assert.h>
#ifndef WINDOWS
+# include <sys/types.h>
# include <sys/socket.h>
# include <netinet/in.h>
# ifndef __BEOS__
# include <arpa/inet.h>
# endif
-# include <netdb.h>
+# ifdef __VMS
+# include "vms_ip.h"
+# else /* def __VMS */
+# include <netdb.h>
+# endif /* def __VMS [else] */
# define SET_H_ERRNO(err) ((void)(h_errno = (err)))
#else /* WINDOWS */
+# include <winsock2.h>
+# include <ws2tcpip.h>
# define SET_H_ERRNO(err) WSASetLastError (err)
#endif /* WINDOWS */
#include "host.h"
#include "url.h"
#include "hash.h"
-#include "iri.h"
#ifndef NO_ADDRESS
# define NO_ADDRESS NO_DATA
#endif
+#if !HAVE_DECL_H_ERRNO && !defined(WINDOWS)
+extern int h_errno;
+#endif
+
+
/* Lists of IP addresses that result from running DNS queries. See
lookup_host for details. */
ip = al->addresses;
for (ptr = ai; ptr != NULL; ptr = ptr->ai_next)
- if (ptr->ai_family == AF_INET6)
+ if (ptr->ai_family == AF_INET6)
{
const struct sockaddr_in6 *sin6 =
(const struct sockaddr_in6 *)ptr->ai_addr;
ip->ipv6_scope = sin6->sin6_scope_id;
#endif
++ip;
- }
+ }
else if (ptr->ai_family == AF_INET)
{
const struct sockaddr_in *sin =
}
/* Print error messages for host errors. */
-static char *
+static const char *
host_errstr (int error)
{
/* Can't use switch since some of these constants can be equal,
}
if (octets < 4)
return false;
-
+
return true;
}
if (str == end)
return false;
-
+
/* Leading :: requires some special handling. */
if (*str == ':')
{
saw_xdigit = false;
break;
}
-
+
return false;
}
if (saw_xdigit)
{
- if (tp > ns_in6addrsz - ns_int16sz)
+ if (tp > ns_in6addrsz - ns_int16sz)
return false;
tp += ns_int16sz;
}
if (colonp != NULL)
{
- if (tp == ns_in6addrsz)
+ if (tp == ns_in6addrsz)
return false;
tp = ns_in6addrsz;
}
#endif /* not ENABLE_IPV6 */
/* Print the addresses determined by DNS lookup, but no more than
- three. */
+ three if show_all_dns_entries is not specified. */
if (!silent && !numeric_address)
{
int i;
- int printmax = al->count <= 3 ? al->count : 3;
+ int printmax = al->count;
+
+ if (!opt.show_all_dns_entries && printmax > 3)
+ printmax = 3;
+
for (i = 0; i < printmax; i++)
{
logputs (LOG_VERBOSE, print_address (al->addresses + i));
lw = strlen (what);
for (i = 0; list[i]; i++)
{
+ if (list[i][0] == '\0')
+ continue;
+
for (j = strlen (list[i]), k = lw; j >= 0 && k >= 0; j--, k--)
if (c_tolower (list[i][j]) != c_tolower (what[k]))
break;
host_name_addresses_map = NULL;
}
}
+
+bool
+is_valid_ip_address (const char *name)
+{
+ const char *endp;
+
+ endp = name + strlen(name);
+ if (is_valid_ipv4_address (name, endp))
+ return true;
+#ifdef ENABLE_IPV6
+ if (is_valid_ipv6_address (name, endp))
+ return true;
+#endif
+ return false;
+}