/* Declarations for host.c
- Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+ 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
-This file is part of Wget.
+This file is part of GNU Wget.
-This program is free software; you can redistribute it and/or modify
+GNU Wget is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
+GNU Wget is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+along with Wget. If not, see <http://www.gnu.org/licenses/>.
+
+Additional permission under GNU GPL version 3 section 7
+
+If you modify this program, or any covered work, by linking or
+combining it with the OpenSSL project's OpenSSL library (or a
+modified version of that library), containing parts covered by the
+terms of the OpenSSL or SSLeay licenses, the Free Software Foundation
+grants you additional permission to convey the resulting work.
+Corresponding Source for a non-source form of such a combination
+shall include the source code for the parts of OpenSSL used as well
+as that of the covered work. */
#ifndef HOST_H
#define HOST_H
-struct urlinfo;
+#ifdef WINDOWS
+# include <winsock.h>
+#else
+# include <netdb.h>
+# include <sys/socket.h>
+# include <netinet/in.h>
+#ifndef __BEOS__
+# include <arpa/inet.h>
+#endif
+#endif
+
+struct url;
+struct address_list;
+
+/* This struct defines an IP address, tagged with family type. */
+
+typedef struct {
+ /* Address family, one of AF_INET or AF_INET6. */
+ int family;
+
+ /* The actual data, in the form of struct in_addr or in6_addr: */
+ union {
+ struct in_addr d4; /* IPv4 address */
+#ifdef ENABLE_IPV6
+ struct in6_addr d6; /* IPv6 address */
+#endif
+ } data;
+
+ /* Under IPv6 getaddrinfo also returns scope_id. Since it's
+ IPv6-specific it strictly belongs in the above union, but we put
+ it here for simplicity. */
+#if defined ENABLE_IPV6 && defined HAVE_SOCKADDR_IN6_SCOPE_ID
+ int ipv6_scope;
+#endif
+} ip_address;
-/* Function declarations */
+/* IP_INADDR_DATA macro returns a void pointer that can be interpreted
+ as a pointer to struct in_addr in IPv4 context or a pointer to
+ struct in6_addr in IPv4 context. This pointer can be passed to
+ functions that work on either, such as inet_ntop. */
+#define IP_INADDR_DATA(x) ((void *) &(x)->data)
-struct hostent *ngethostbyname PARAMS ((const char *));
-int store_hostaddress PARAMS ((unsigned char *, const char *));
+enum {
+ LH_SILENT = 1,
+ LH_BIND = 2,
+ LH_REFRESH = 4
+};
+struct address_list *lookup_host (const char *, int);
-void clean_hosts PARAMS ((void));
+void address_list_get_bounds (const struct address_list *, int *, int *);
+const ip_address *address_list_address_at (const struct address_list *, int);
+bool address_list_contains (const struct address_list *, const ip_address *);
+void address_list_set_faulty (struct address_list *, int);
+void address_list_set_connected (struct address_list *);
+bool address_list_connected_p (const struct address_list *);
+void address_list_release (struct address_list *);
-char *realhost PARAMS ((const char *));
-int same_host PARAMS ((const char *, const char *));
-int accept_domain PARAMS ((struct urlinfo *));
-int sufmatch PARAMS ((const char **, const char *));
+const char *print_address (const ip_address *);
+#ifdef ENABLE_IPV6
+bool is_valid_ipv6_address (const char *, const char *);
+#endif
-char *ftp_getaddress PARAMS ((void));
+bool accept_domain (struct url *);
+bool sufmatch (const char **, const char *);
-char *herrmsg PARAMS ((int));
+void host_cleanup (void);
#endif /* HOST_H */