proxy.c now no longer refers to `cfg'. Instead, each of the three

[u/mdw/putty] / network.h

diff --git a/network.h b/network.h
index 744492f..657bdcb 100644 (file)
--- a/network.h
+++ b/network.h
@@ -13,6 +13,13 @@
 #ifndef PUTTY_NETWORK_H
 #define PUTTY_NETWORK_H
 
+#ifndef DONE_TYPEDEFS
+#define DONE_TYPEDEFS
+typedef struct config_tag Config;
+typedef struct backend_tag Backend;
+typedef struct terminal_tag Terminal;
+#endif
+
 typedef struct SockAddr_tag *SockAddr;
 /* pay attention to levels of indirection */
 typedef struct socket_function_table **Socket;
@@ -24,8 +31,8 @@ struct socket_function_table {
     /* if p is NULL, it doesn't change the plug */
     /* but it does return the one it's using */
     void (*close) (Socket s);
-    int (*write) (Socket s, char *data, int len);
-    int (*write_oob) (Socket s, char *data, int len);
+    int (*write) (Socket s, const char *data, int len);
+    int (*write_oob) (Socket s, const char *data, int len);
     void (*flush) (Socket s);
     void (*set_private_ptr) (Socket s, void *ptr);
     void *(*get_private_ptr) (Socket s);
@@ -66,17 +73,24 @@ struct plug_function_table {
 /* proxy indirection layer */
 Socket new_connection(SockAddr addr, char *hostname,
                      int port, int privport,
-                     int oobinline, int nodelay, Plug plug);
-Socket new_listener(char *srcaddr, int port, Plug plug, int local_host_only);
+                     int oobinline, int nodelay, Plug plug,
+                     const Config *cfg);
+Socket new_listener(char *srcaddr, int port, Plug plug, int local_host_only,
+                   const Config *cfg);
+SockAddr name_lookup(char *host, int port, char **canonicalname,
+                    const Config *cfg);
 
 /* socket functions */
 
 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_namelookup(const char *host, char **canonicalname);
+SockAddr sk_nonamelookup(const char *host);
 void sk_getaddr(SockAddr addr, char *buf, int buflen);
-enum { ADDRTYPE_IPV4, ADDRTYPE_IPV6 };
+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);