X-Git-Url: https://git.distorted.org.uk/u/mdw/putty/blobdiff_plain/bcce45edf1a7576ca73d7841b1079dc1e35c8ff9..c85623f918b8a6c639afc15604414f9b113bb20d:/portfwd.c

diff --git a/portfwd.c b/portfwd.c
index 00fc098f..11437140 100644
--- a/portfwd.c
+++ b/portfwd.c
@@ -1,4 +1,3 @@
-#include <windows.h>
 #include <stdio.h>
 #include <stdlib.h>
 
@@ -58,9 +57,11 @@ struct pfwd_queue {
 };
 
 struct PFwdPrivate {
-    struct plug_function_table *fn;
+    const struct plug_function_table *fn;
     /* the above variable absolutely *must* be the first in this structure */
     void *c;			       /* (channel) data used by ssh.c */
+    void *backhandle;		       /* instance of SSH backend itself */
+    /* Note that backhandle need not be filled in if c is non-NULL */
     Socket s;
     char hostname[128];
     int throttled, throttle_override;
@@ -69,8 +70,6 @@ struct PFwdPrivate {
     struct pfwd_queue *waiting;
 };
 
-void pfd_close(Socket s);
-
 
 static int pfd_closing(Plug plug, char *error_msg, int error_code,
 		       int calling_back)
@@ -109,9 +108,10 @@ static void pfd_sent(Plug plug, int bufsize)
 /*
  * Called when receiving a PORT OPEN from the server
  */
-char *pfd_newconnect(Socket *s, char *hostname, int port, void *c)
+char *pfd_newconnect(Socket *s, char *hostname, int port, void *c,
+		     const Config *cfg)
 {
-    static struct plug_function_table fn_table = {
+    static const struct plug_function_table fn_table = {
 	pfd_closing,
 	pfd_receive,
 	pfd_sent,
@@ -125,8 +125,8 @@ char *pfd_newconnect(Socket *s, char *hostname, int port, void *c)
     /*
      * Try to find host.
      */
-    addr = sk_namelookup(hostname, &dummy_realhost);
-    if ((err = sk_addr_error(addr)))
+    addr = name_lookup(hostname, port, &dummy_realhost, cfg);
+    if ((err = sk_addr_error(addr)) != NULL)
 	return err;
 
     /*
@@ -137,9 +137,11 @@ char *pfd_newconnect(Socket *s, char *hostname, int port, void *c)
     pr->throttled = pr->throttle_override = 0;
     pr->ready = 1;
     pr->c = c;
+    pr->backhandle = NULL;	       /* we shouldn't need this */
 
-    pr->s = *s = sk_new(addr, port, 0, 1, (Plug) pr);
-    if ((err = sk_socket_error(*s))) {
+    pr->s = *s = new_connection(addr, dummy_realhost, port,
+				0, 1, 0, (Plug) pr, cfg);
+    if ((err = sk_socket_error(*s)) != NULL) {
 	sfree(pr);
 	return err;
     }
@@ -155,7 +157,7 @@ char *pfd_newconnect(Socket *s, char *hostname, int port, void *c)
 
 static int pfd_accepting(Plug p, void *sock)
 {
-    static struct plug_function_table fn_table = {
+    static const struct plug_function_table fn_table = {
 	pfd_closing,
 	pfd_receive,
 	pfd_sent,
@@ -170,14 +172,15 @@ static int pfd_accepting(Plug p, void *sock)
     pr->fn = &fn_table;
 
     pr->c = NULL;
+    pr->backhandle = org->backhandle;
 
     pr->s = s = sk_register(sock, (Plug) pr);
-    if ((err = sk_socket_error(s))) {
+    if ((err = sk_socket_error(s)) != NULL) {
 	sfree(pr);
 	return err != NULL;
     }
 
-    pr->c = new_sock_channel(s);
+    pr->c = new_sock_channel(org->backhandle, s);
 
     strcpy(pr->hostname, org->hostname);
     pr->port = org->port;
@@ -200,11 +203,12 @@ static int pfd_accepting(Plug p, void *sock)
 
 
 /* Add a new forwarding from port -> desthost:destport
- sets up a listener on the local machine on port
+ sets up a listener on the local machine on (srcaddr:)port
  */
-char *pfd_addforward(char *desthost, int destport, int port)
+char *pfd_addforward(char *desthost, int destport, char *srcaddr, int port,
+		     void *backhandle, const Config *cfg)
 {
-    static struct plug_function_table fn_table = {
+    static const struct plug_function_table fn_table = {
 	pfd_closing,
 	pfd_receive,		       /* should not happen... */
 	pfd_sent,		       /* also should not happen */
@@ -226,9 +230,11 @@ char *pfd_addforward(char *desthost, int destport, int port)
     pr->throttled = pr->throttle_override = 0;
     pr->ready = 0;
     pr->waiting = NULL;
+    pr->backhandle = backhandle;
 
-    pr->s = s = sk_newlistener(port, (Plug) pr, !cfg.lport_acceptall);
-    if ((err = sk_socket_error(s))) {
+    pr->s = s = new_listener(srcaddr, port, (Plug) pr,
+			     !cfg->lport_acceptall, cfg);
+    if ((err = sk_socket_error(s)) != NULL) {
 	sfree(pr);
 	return err;
     }