Support for doing DNS at the proxy end. I've invented a new type of

[u/mdw/putty] / network.h

diff --git a/network.h b/network.h
index 8f1b2be..e9ad518 100644 (file)
--- a/network.h
+++ b/network.h
@@ -67,7 +67,8 @@ struct plug_function_table {
 Socket new_connection(SockAddr addr, char *hostname,
                      int port, int privport,
                      int oobinline, int nodelay, Plug plug);
-Socket new_listener(int port, Plug plug, int local_host_only);
+Socket new_listener(char *srcaddr, int port, Plug plug, int local_host_only);
+SockAddr name_lookup(char *host, int port, char **canonicalname);
 
 /* socket functions */
 
@@ -75,13 +76,19 @@ void sk_init(void);                /* called once at program startup */
 void sk_cleanup(void);                /* called just before program exit */
 
 SockAddr sk_namelookup(char *host, char **canonicalname);
+SockAddr sk_nonamelookup(char *host);
 void sk_getaddr(SockAddr addr, char *buf, int buflen);
+int sk_hostname_is_local(char *name);
+int sk_address_is_local(SockAddr addr);
+enum { ADDRTYPE_IPV4, ADDRTYPE_IPV6, ADDRTYPE_NAME };
+int sk_addrtype(SockAddr addr);
+void sk_addrcopy(SockAddr addr, char *buf);
 void sk_addr_free(SockAddr addr);
 
 Socket sk_new(SockAddr addr, int port, int privport, int oobinline,
              int nodelay, Plug p);
 
-Socket sk_newlistener(int port, Plug plug, int local_host_only);
+Socket sk_newlistener(char *srcaddr, int port, Plug plug, int local_host_only);
 
 Socket sk_register(void *sock, Plug plug);
 
@@ -141,6 +148,15 @@ char *sk_addr_error(SockAddr addr);
  */
 void net_pending_errors(void);
 
+/*
+ * Simple wrapper on getservbyname(), needed by ssh.c. Returns the
+ * port number, in host byte order (suitable for printf and so on).
+ * Returns 0 on failure. Any platform not supporting getservbyname
+ * can just return 0 - this function is not required to handle
+ * numeric port specifications.
+ */
+int net_service_lookup(char *service);
+
 /********** SSL stuff **********/
 
 /*